CN102816611A - Comprehensive and recycling utilization method of coal pyrolysis gases - Google Patents

Comprehensive and recycling utilization method of coal pyrolysis gases Download PDF

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Publication number
CN102816611A
CN102816611A CN2012102780795A CN201210278079A CN102816611A CN 102816611 A CN102816611 A CN 102816611A CN 2012102780795 A CN2012102780795 A CN 2012102780795A CN 201210278079 A CN201210278079 A CN 201210278079A CN 102816611 A CN102816611 A CN 102816611A
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gas
waste gas
temperature
combustion
quirk
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CN2012102780795A
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CN102816611B (en
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王新民
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Shanxi Xinli Energy Technology Co Ltd
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Shanxi Xinli Energy Technology Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Abstract

The invention discloses a comprehensive and recycling utilization method of coal pyrolysis gases. The method is achieved by the following steps that: (1) raw gases are derived, condensed, recovered, purified and burned; (2) the burned gases are subject to dry quenching to generate flammable high-temperature waste gases; (3) the flammable high-temperature waste gases generated by the dry-quenching waste gases are used for coking; (4) the flammable high-temperature waste gases generated by the dry-quenching waste gases are used for gas-supplemented combustion; (5) the hot waste gases after the gas-supplemented combustion are transferred into a furnace for preheating and dehydration; (6) the hot waste gases after the gas-supplemented combustion are transferred into a furnace for the preheating and regeneration of active coke. The method provided by the invention combines the derivation and purification of the raw gases with processes such as combustion, dry quenching, coking, preheating, dehydration, regeneration of active coke by clean gas after the purification and recovery, thus achieving an integrated process of derivation, recover and purification, and recycling of the raw gases and reducing the coking cost.

Description

A kind of comprehensive cyclic utilization method of coal cracking gas
Technical field
The present invention relates to a kind of method of utilizing of gas, particularly a kind of comprehensive cyclic utilization method of coal cracking gas.
Background technology
Coal cracking stove (pit kiln) in the market mostly adopts intermittent type coking, go into the stove coal proportioning, dewater, advance coal, preheating, charing, burnt upgrading, dried each process step such as put out is relatively independent, can not carry out continuous production, production efficiency is low; In addition, the raw gas that produces in the coal cracking process contains a lot of useful compositions, like H 2S, HCH or the like sour gas, NH 3Organism such as alkaline gas, tar class, benzene class, naphthalene class, washing oil class do not have the complete complete technology that raw gas derivation, reclaiming clean are used.
This impel the inventor to explore to create a cover complete and continuous coking and to raw gas derive, the reclaiming clean complete technology of recycle in addition.
Summary of the invention
The invention provides a kind of comprehensive cyclic utilization method of coal cracking gas; This method can and purify technologies such as purified gas after reclaiming be used for burning, driedly puts out, burnt upgrading, preheating, dehydration, activated coke regeneration with the derivation of coal shortage coal gas, purification and conspire to create an integral body; Realize that raw gas is derived, the reclaiming clean complete technology of recycle in addition, reduced the coking cost.
Realize that the technical scheme that above-mentioned purpose is taked is:
A kind of comprehensive cyclic utilization method of coal cracking gas; Comprise waste gas water trap, preheating unit, coal cracking carbonizing apparatus, burnt modifying apparatus, dried device, raw gas take-up stand, raw gas condensing works, activated coke dry method withdrawer, activated coke revivifier, the tubular heat exchanger of putting out; Performing step is:
(1), with raw gas derivation, condensation, reclaiming clean, burning;
(2), dried the putting out of combustion exhaust produces flammable high-temp waste gas;
(3), utilize the dried waste gas that puts out to produce flammable high-temp waste gas and carry out burnt upgrading;
(4), utilize the dried waste gas that puts out to produce flammable high-temp waste gas and carry out tonifying Qi burning;
(5), utilize the hot waste gas after tonifying Qi is burnt to go into the preheating of stove coal, dehydration;
(6), utilize the hot waste gas after tonifying Qi is burnt to go into the preheating of stove coal, activated coke regeneration.
Described (1) raw gas is derived condensation and reclaiming clean and burning, and related equipment of this step comprises raw gas take-up stand, raw gas condensing works, raw gas reclaiming clean device, outer combustion gas heating unit; The step that this step realizes is:
(1), the raw gas of coal cracking in the coking chamber is derived through the raw gas take-up stand, enter the raw gas condensing works from the raw gas take-up stand again;
(2), carry out ammoniacal liquor through the raw gas condensing works and spray the mixed solution of cooling formation raw gas together with coal tar and ammoniacal liquor; Raw gas gets in the raw gas reclaiming clean device through the raw gas condensing works together with the mixed solution of coal tar and ammoniacal liquor again;
(3), raw gas is together with coal tar and the gas-liquid separation of ammonia water mixture process; Raw gas upwards leads to air cooler through one road heating gas transfer lime of raw gas reclaiming clean device and cools off, and the coal tar ammonia water mixture flows to the tar ammonia settling bath downwards through one road mixed solution pipe of other raw gas reclaiming clean device and carries out precipitate and separate;
(4), carry out the activated coke absorbing, recovering and purifying in the activated coke dry method withdrawer 45 of cooling raw gas through raw gas reclaiming clean device, be transported to through the purified gas behind the absorbing, recovering and purifying in the gas fan of gas reversing system of outer combustion gas heating unit;
(5), the gas reversing system is sent into air, purified gas burning to the combustion chamber of first combustion heater; Air is become the gas-fired in combustion-supporting first combustion chamber of warm air by the heat that first heat storage discharges; Hot waste gas after sucking-off is burnt from the combustion chamber of second combustion heater simultaneously, hot waste gas become the relatively low low temperature waste gas of temperature through the heat storage absorbing and cooling temperature in the regenerative heat exchanger of second combustion heater and discharge;
(6), in like manner, the gas reversing system is sent into air, purified gas burning to the combustion chamber of second combustion heater, and air is become the gas-fired in combustion-supporting second combustion chamber of warm air by the heat that second heat storage discharges; Hot waste gas after sucking-off is burnt from the combustion chamber of first combustion heater simultaneously, hot waste gas become the relatively low low temperature waste gas of temperature through the heat storage absorbing and cooling temperature in the regenerative heat exchanger of first combustion heater and discharge;
(7), (5), (6) step alternate cycles is carried out.
Dried the putting out of described (2) combustion exhaust produces flammable high-temp waste gas, and the equipment that this step relates generally to comprises outer combustion gas heating unit, dried the 3rd combustion heater, the 4th combustion heater that puts out device, internal combustion heating unit; Described outer combustion gas heating unit is positioned at coal cracking body of heater middle part and is centered around around the coking chamber exterior wall, comprises one group of above identical first combustion heater of structure, second combustion heater and gas reversing system; The described dried device that puts out is provided with and is positioned at coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below in the coal cracking furnace chamber, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; One group of above identical the 3rd burning heater, the 4th burning heater of structure of described internal combustion heating unit communicates with the gas reversing system; The exhaust gas fan of described gas reversing system is connected with the dried quenching exhaust gas fan that puts out device through pipeline, and this step performing step is:
(1), air, purified gas burning are sent in first combustion chamber of first combustion heater of the outside gas-operated thermal bath facility of gas reversing system; Air is become the gas-fired in combustion-supporting first combustion chamber of warm air by the heat that first heat storage discharges; Hot waste gas after sucking-off is burnt from second combustion chamber of second combustion heater simultaneously, hot waste gas becomes the exhaust gas fan discharge of the relatively low low temperature waste gas of temperature through the gas reversing system through the second heat storage absorbing and cooling temperature of second combustion heater;
(2), in like manner, air, purified gas burning are sent in second combustion chamber of second combustion heater of the outside gas-operated thermal bath facility of gas reversing system, and air is become the gas-fired in combustion-supporting second combustion chamber of warm air by the heat that second heat storage discharges; Hot waste gas after sucking-off is burnt from first combustion chamber of first combustion heater simultaneously, hot waste gas becomes the exhaust gas fan discharge of the relatively low low temperature waste gas of temperature through the gas reversing system through the first heat storage absorbing and cooling temperature of first combustion heater;
(3), (1), (2) step alternate cycles is carried out;
(4) in like manner the burning of the 3rd combustion heater of internal combustion heating unit and the 4th combustion heater and above (1), (2), (3) identical;
(5) pass through exhaust gas fan introducing quenching exhaust gas fan with becoming the relatively low low temperature waste gas of temperature naturally through corresponding heat storage heat absorption back respectively after the purified gas burning in the 3rd combustion heater of first burning heater, first burning heater and the internal combustion heating unit of outer combustion gas heating unit, the 4th combustion heater, thereby enter dried putting out in the device;
(6) utilize the quenching exhaust gas fan with low temperature waste gas successively through driedly put out the blast pipe of device, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. blasts in the wind assembling set chamber; Low temperature waste gas converges in the wind assembling set chamber; Blowout and going out from lower openings then; Be blown in the low temperature coke quencher, upwards seal in high temperature coke quencher again, the neutralization of high temperature coke quencher is lowered the temperature from the coke that high temperature coke quencher falls to low temperature coke quencher;
(7) simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself.
Described (3) the dried waste gas that puts out produces and burnt upgrading; The equipment that this step relates to mainly comprises dried device, the burnt modifying apparatus of putting out; The described dried device that puts out is arranged on quirk bow below, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; Described burnt modifying apparatus is arranged at and is positioned in the body of heater on the quirk bow; Burnt upgrading chamber, main internal-quirk bottom, the secondary internal-quirk of hypomere are formed at the bottom that comprises coking chamber; The center ring circummure becomes the bottom of the high temperature combustible exhaust gas admission passage of centre channel, and ringwall bottom, center is provided with the combustible exhaust gas entering hole that connects high temperature combustible exhaust gas admission passage and main internal-quirk, the secondary internal-quirk of hypomere; Described dried top of putting out the high temperature coke quencher of device communicates with the high temperature combustible exhaust gas admission passage of burnt modifying apparatus through the high temperature combustible exhaust gas passage that quirk bends, and present method performing step is:
(1), the low temperature waste gas behind the heat storage absorbing and cooling temperature after the purified gas burning is introduced the quenching exhaust gas fan;
(2), utilize the quenching exhaust gas fan that low temperature waste gas is blasted in the wind assembling set chamber through the blast pipe of dry coke quenching auxiliary, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively; Low temperature waste gas converges in the wind assembling set chamber; Blowout from lower openings and going out; Be blown in the low temperature coke quencher, upwards seal in high temperature coke quencher again, the neutralization of high temperature coke quencher is lowered the temperature from the coke that high temperature coke quencher falls to the low temperature quenching;
(3), simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself;
(4), the high temperature combustible exhaust gas gets into the high temperature combustible exhaust gas admission passage of burnt modifying apparatus from the top of high temperature coke quencher; Get into the secondary internal-quirk of main internal-quirk bottom, hypomere of burnt modifying apparatus from combustible exhaust gas entering hole again, utilize the waste heat of high temperature combustible exhaust gas itself insulation institute's heat requirement and temperature to be provided for the coke in the burnt upgrading chamber.
Described (4) dry coke quenching waste gas produces and the burning heating, and related equipment of this step comprises dried device, the quenching waste gas heater of putting out; The described dried device that puts out is provided with and is positioned at coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below in the coal cracking furnace chamber, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; Described quenching waste gas heater is arranged in the coking chamber in the ringwall ring and is positioned at the top of quirk bow, mainly comprises internal-quirk, centre channel, and described internal-quirk comprises main internal-quirk arranged side by side more than a group, secondary internal-quirk; Described secondary internal-quirk is divided into the secondary internal-quirk of epimere, the secondary internal-quirk in stage casing, the secondary internal-quirk of hypomere; Secondary internal-quirk of described epimere and the secondary internal-quirk of hypomere communicate with main internal-quirk respectively; The secondary internal-quirk in described stage casing forms the independent gas combustion chamber of relative closure; The secondary internal-quirk in a last stage casing connects into relevant one group with the secondary internal-quirk in next bar stage casing of next-door neighbour, and described centre channel is become by the center ring circummure, a channel partition in the centre channel; Centre channel is separated into upper and lower two portions; Be that top forms buffer zone, the lower section forms high temperature combustible exhaust gas admission passage, ringwall bottom, center is provided with the combustible exhaust gas that connects high temperature combustible exhaust gas admission passage and main internal-quirk and the secondary internal-quirk of hypomere and gets into the hole, and ringwall top, center is provided with the waste gas that connects buffer zone and main internal-quirk and the secondary internal-quirk of epimere and gets into the hole; Described dried top of putting out the high temperature coke quencher of device communicates with the high temperature combustible exhaust gas admission passage of quenching waste gas heater with the high temperature combustible exhaust gas passage that bends through quirk, and this step performing step is:
(1), the low temperature waste gas behind the heat storage absorbing and cooling temperature after the purified gas burning is introduced the quenching exhaust gas fan;
(2), utilize the quenching exhaust gas fan that low temperature waste gas is blasted in the wind assembling set chamber through the blast pipe of dry coke quenching auxiliary, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively; Low temperature waste gas converges in the wind assembling set chamber; Blowout from lower openings and going out; Be blown in the low temperature coke quencher, upwards seal in high temperature coke quencher again, the neutralization of high temperature coke quencher is lowered the temperature from the coke that high temperature coke quencher falls to the low temperature quenching;
(3), simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself;
(4), the high temperature combustible exhaust gas that dry coke quenching is produced is introduced in main internal-quirk and the secondary internal-quirk of hypomere;
Go into air (5), at this moment for the benefit in the secondary internal-quirk of main internal-quirk and hypomere, thereby make the high temperature combustible exhaust gas obtain airborne oxygen burning;
(6), when the high temperature combustible exhaust gas of the secondary internal-quirk of hypomere through the waste gas after the tonifying Qi burning around in main internal-quirk, mix in main quirk with high-temperature combustible gas body in the main internal-quirk and waste gas after burning and to rise;
(7), the gas that covers once more in the middle and upper part of main internal-quirk, make the further burning again of mixed high-temperature combustible gas body and waste gas after burning;
(8), the secondary air compensating waste gas after burning mixes between each bar master internal-quirk and the secondary internal-quirk of epimere fully mutually;
(9), last secondary air compensating waste gas after burning is discharged from main internal-quirk and the secondary internal-quirk of epimere top.
Described (5) hot waste gas is gone into preheating of stove coal and dehydration, and this step, related equipment mainly comprised preheating unit and waste gas water trap, and step is:
(1), the hot waste gas after the burning gets into the exhaust air chamber from the hot waste gas admission passage of preheating unit; Getting into waste gas through the heating by the exhaust gases passage assembles in the circuit; Assemble the waste gas primary outlet discharge of circuit at last from waste gas; Hot waste gas after the burning can carry out thermal conduction to heating by the exhaust gases passage, internal layer body of wall, internal layer body of wall in discharge process; The preheating chamber air is heated, and the stove coal of going into that reaches falling into preheater carries out preheating, can lower the temperature to the hot waste gas of from exhaust air chamber, discharging after burning again simultaneously;
(2), the hot waste gas master of hot waste gas through the waste gas water trap got in the inner waste gas admission passage of tracheae feeding waste gas radiator element; Get into dehydration waste gas master through the inner dehydration waste gas exhaust channel of waste gas radiator element again and discharge tracheae, discharge from chimney afterwards through the water layer cleaning that induced draft fan gets in the dust settling chamber again;
(3), meanwhile; The stove coal of going into through bucket elevator is accomplished proportioning is sent in the material bin of dehydrator shell top; Through pan feeding vibratory screening apparatus, blanking channel, blanking vibratory screening apparatus; The waste gas radiator element falls into coal bunker at last, goes into the stove coal and is heated drying and dehydrating falling into the coal bunker process through the waste gas radiator element.
Further; This step, related equipment also comprised tubular heat exchanger; A step between (1), (2), increasing earlier enters into waste gas heat radiation chamber with the hot waste gas waste gas admission passage of hot waste gas through tubular heat exchanger and carries out heat exchange with metal heat exchange pipe network, and the hot waste gas master of waste gas through the waste gas water trap gets into tracheae and get in the waste gas radiator element again; Air gets into from the air admission pipe of metal heat exchange pipe network simultaneously; Warm air is discharged from the air vent pipe again, and the waste heat that had both played hot waste gas further utilizes, and can heat the afterburning air again.
Described (5) hot waste gas is gone into preheating of stove coal and activated coke regeneration, and the equipment that this step relates to mainly comprises preheating unit, activated coke revivifier, and the step that present method realizes is:
(1), the hot waste gas after the burning gets into from the hot waste gas admission passage of preheating unit; Getting into waste gas through the heating by the exhaust gases passage assembles in the circuit; Assemble the waste gas primary outlet discharge of circuit at last from waste gas, the hot waste gas after the burning can carry out thermal conduction to heating by the exhaust gases passage, internal layer body of wall, internal layer body of wall in discharge process, the preheating chamber air is heated; The stove coal of going into that reaches falling into preheater carries out preheating, can lower the temperature to the hot waste gas of from exhaust air chamber, discharging after burning again simultaneously;
That (2), will lower the temperature that the back hot waste gas of hot waste gas through the activated coke revivifier get into pipe enters into waste gas evaporation pipe network; Through waste gas evaporation pipe network the intravital saturated active coke of revivifier shell being carried out heating evaporation is unsaturated activated coke, evaporates the hot waste gas discharged of pipe network at last through waste gas.
Further; The equipment that present method relates to also comprises tubular heat exchanger, in a step between (1), (2), increasing, will fall the hot waste gas waste gas admission passage of hot waste gas through tubular heat exchanger and enter into waste gas heat radiation chamber and carry out heat exchange with metal heat exchange pipe network; Air gets into from the air admission pipe of metal heat exchange pipe network simultaneously; Warm air is discharged from the air vent pipe again, and the waste heat that had both played hot waste gas further utilizes, and can heat the afterburning air again.
The present invention is with the derivation of coal shortage coal gas, purification and purify technologies such as purified gas after reclaiming is used for burning, driedly puts out, burnt upgrading, preheating, dehydration, activated coke regeneration and conspire to create an integral body; Realize that raw gas is derived, the reclaiming clean complete technology of recycle in addition, reduced the coking cost.
Description of drawings
Do further explain below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 is the stove coal dewatering device assembling synoptic diagram of going into of the present invention;
Fig. 2 is waste gas water trap synoptic diagram of the present invention (an A place enlarged view among Fig. 1);
Fig. 3 is coal dust strainer one an embodiment schematic top plan view of the present invention;
Fig. 4 is another embodiment schematic top plan view of coal dust strainer of the present invention;
Fig. 5 is a device such as the preheating among the present invention and go into the stove coal and advance device for coal assembling cross-sectional schematic;
Fig. 6 is a C place enlarged view among Fig. 5;
Fig. 7 is a preheater sectional view of going in the stove coal preheating unit of the present invention;
Fig. 8 is an a-a place sectional view among Fig. 6;
Fig. 9 is the stove coal refrigerating unit synoptic diagram of going into involved in the present invention;
Figure 10 is a b-b place sectional view among Fig. 9;
Figure 11 is a F-F place enlarged view among Figure 25;
Figure 12 is an x-x place sectional view among Figure 11;
Figure 13 is a gas reverser synoptic diagram of the present invention;
Figure 14 is a gas reverser upper lower burrs synoptic diagram of the present invention;
Figure 15 is a c-c place schematic cross-section among Figure 14;
Figure 15-the 1st, gas reverser of the present invention is connected synoptic diagram with the combustion heater pipe network;
Figure 16 is a z-z place schematic cross-section among Figure 11, Figure 21;
Figure 17 is a w-w place schematic cross-section among Figure 21;
Figure 18 is a y-y place schematic cross-section among Figure 21;
Figure 19 is the burnt modifying apparatus synoptic diagram (u-u place sectional view among Figure 21) of coal cracking stove of the present invention;
Figure 20 is a quirk bow synoptic diagram (t-t place sectional view among Figure 21) of the present invention;
Figure 21 is a coal cracking carbonizing apparatus synoptic diagram of the present invention;
Figure 22 is dry coke quenching auxiliary synoptic diagram of the present invention (a H-H enlarged view among Figure 31);
Figure 23 the present invention quenching bridge bow synoptic diagram;
Figure 24 be coal cracking stove of the present invention the industry control center be electrically connected synoptic diagram;
Figure 25 is a general illustration in the coal cracking stove of the present invention;
Figure 26 is a raw gas take-up stand synoptic diagram of the present invention;
Figure 27 is a raw gas condensing works synoptic diagram of the present invention;
Figure 28 is a tubular heat exchanger sectional view of the present invention
Figure 29 is that raw gas of the present invention is derived purification recovery device technology interface chart:
Figure 30 is purified gas burning of the present invention back heating by the exhaust gases, dewatering unit technology interface chart;
Figure 31 is purified gas burning of the present invention back heating by the exhaust gases, activated coke regenerating unit technology interface chart.
Embodiment
The specific embodiment of the comprehensive cyclic utilization method of a kind of coal cracking gas of the present invention is mainly introduced following in detail.
First partly goes into stove coal proportioning and preparation
A kind of coal cracking stove involved in the present invention can be gone into stove coal proportioning according to different, obtains the different coke of grade.
Following steps: 1) select 5 kinds of different coals for use, they are respectively bottle coal, rich coal, coking coal, 1/3rd coking coal, lean coal.2) bottle coal 20%~40% wherein; Rich coal 10%~20%; Coking coal 10%~20%; / 3rd coking coal 15%~30%; Lean coal 10%~15%; Mix earlier the fragmentation of sieving then, reach until crushed particles and be formed into the stove coal below the 5mm, certainly coal cracking stove of the present invention to other proportioning and particle size to go into the stove coal suitable equally; Do not constitute the required restriction of going into the stove coal dust of coal cracking stove of the present invention; Just, reduced the coke that the cost of going into the stove coal can obtain better quality simultaneously again, on market, had fine competitive power by above going into stove coal proportioning and can reaching more than 40% of lifting to the weakly caking coal amount of allocating into.
Second section is gone into the stove coal dewatering
Pit kiln in the market mostly adopts intermittent type coking, goes into the stove coal charge and is wet coal, so power consumption has increased the cost of coking, goes into dewatering of stove coal to what get into this coal cracking stove in advance, plays energy-saving and cost-reducing effect.
As shown in Figure 1: as describedly to go into stove coal dewatering device 1 and comprise dehydration support body 10, bucket elevator 11, waste gas water trap 12, coal dust strainer 13, feed bin 14, fly-ash separator 15, chimney 16, go into stove coal transfer roller 17.
Like Fig. 1, shown in Figure 2: waste gas water trap 12 comprises that dehydrator shell 121, hot waste gas master get into that pipe 122, dehydration waste gas master are discharged tracheae 123, gone into glassware 124, waste gas radiator element 125; Above dehydrator shell 121, be provided with into glassware 124; Be provided with at least one group of waste gas radiator element 125 below going into glassware 124 in dehydrator shell 121 inside; The inside of waste gas radiator element 125 is provided with hot waste gas admission passage 1251, dehydration waste gas exhaust channel 1252; Hot waste gas admission passage 1251 gets into pipe 122 with the hot waste gas master respectively with dehydration waste gas exhaust channel 1252, dehydration waste gas master discharges tracheae 123 and communicates; Hot waste gas admission passage 1251 is in the inside of waste gas radiator element 125 up and down with dehydration waste gas exhaust channel 1252 to be arranged, and is beneficial to the drying and dehydrating into the stove coal.
As shown in Figure 2: as to go into glassware 124 and include hopper 1241, pan feeding vibratory screening apparatus 1242, blanking channel 1243, blanking vibratory screening apparatus 1244; Pan feeding vibratory screening apparatus 1242 is set in the material bin 1241; Scattered by the middle part and be provided with a plurality of blanking channels 1243 in material bin 1241 belows; Below blanking channel 1243, be provided with blanking vibratory screening apparatus 1244 again, blanking vibratory screening apparatus 1244 belows are provided with waste gas radiator element 125, and the purpose of design is in order to let stove coal more even distribution above waste gas radiator element 125 like this.
As shown in Figure 2: the three groups of arrangements in 125 one-tenth upper, middle and lower of waste gas radiator element; Waste gas radiator element 125 profiles are made oxygon up; Shift to install between last group of waste gas radiator element 125 and middle group of waste gas radiator element 125; Between the two adjacent waste gas radiator element 125 during a waste gas radiator element 125 promptly in the group just in time is arranged on and organizes; In like manner, between the two adjacent waste gas radiator element 125 during following group one waste gas radiator element 125 just in time is arranged in the group, purpose is for the drying area that is added to the stove coal, is beneficial to into coal and disperses landing.
Like Fig. 1, Fig. 2, shown in Figure 3: coal bunker 14 is set below waste gas radiator element 125; On coal bunker 14, put and be provided with coal dust strainer 13; Our image is called the coal dust respiratory organ; Coal dust strainer 13 comprises that mainly discharge siphunculus 134, off-air are discharged siphunculus 135 outward in filter body 131, the interior entering of off-air siphunculus 132, dust funnel 133, the off-air, is provided with entering siphunculus 132 in the off-air that leads to the top from the bottom at filter body 131 peripheries, in the filter body set inside dust funnel 133 is arranged; Dust funnel 133 leads to coal bunker 14; Above dust funnel 133, be provided with and discharge siphunculus 134 in the off-air, the inlet 1321 that gets into siphunculus 132 in the off-air is higher than the inlet 1341 of discharging siphunculus 134 in the off-air, discharges siphunculus 134 in the off-air and is arranged on the strainer internal head cover 137; Off-air is discharged siphunculus 135 outward and is provided with on the outer top cover 138 of strainer, outside strainer internal head cover 137 and strainer, is provided with steel fiber filtering net 136 between the top cover 138.
As shown in Figure 3: as to get into siphunculus 132 in the off-air and be arranged in the filter body 131, get into siphunculus 132 in the off-air and in filter body 131, form cyclone structure with the interior 134 one-tenth vertical angles of siphunculus of discharging of off-air.
As shown in Figure 1: fly-ash separator 15 connects dehydration waste gas master and discharges tracheae 123, and fly-ash separator 15 is existing dedusting technologies, and fly-ash separator 15 comprises fly-ash separator housing 151; Dust settling chamber 152, dehydration waste gas master discharges tracheae 123 leads to dust settling chamber 152, and dust settling chamber 152 communicates with chimney 16 through induced draft fan 18 again; Dust settling chamber 152 belows are provided with flyash delivery pipe 153; Described dust settling chamber 152 can be wet dedusting, also can adopt dry-method bag-type dust collecting, introduces wet dedusting here; In fly-ash separator housing 151, be provided with sprinkler head 154 above the dust settling chamber, dehydration waste gas master discharges tracheae 123 and submerges in the water in the dust settling chamber 152.
Like Fig. 1, shown in Figure 2: hot waste gas gets into tracheae 122 through the hot waste gas master and gets into the inner waste gas admission passage 1251 of waste gas radiator element 125; Get into dehydration waste gas master through waste gas radiator element 125 inner dehydration waste gas exhaust channels 1252 again and discharge tracheae 123, discharge from chimney 16 after cleaning through the water layer in the dust settling chamber 152 again, flyash is stayed in the water layer and is regularly discharged through flyash delivery pipe 153 in the hot waste gas; Both played hot waste gas had been purified; Can reduce the hot waste gas exhaust temperature again, be beneficial to air draft, protection induced draft fan 18; Reach the purpose of clean environment protection emission, the current country of response advocates the requirement of waste gas environment protection emission.
Like Fig. 1, shown in Figure 2: the hot waste gas after the burning gets into tracheae 122 typical temperatures at 700 ℃~800 ℃ getting into the hot waste gas master; Utilize the waste heat of hot waste gas self that waste gas radiator element 125 is heated; Can lower the temperature to the hot waste gas after the burning, thereby the stove coal of going into through waste gas radiator element 125 is dewatered, can let the water ratio of stove coal again below 1%; Reach effective utilization, save energy consumption the hot waste gas after the burning.
Like Fig. 1, shown in Figure 2: the discharge bucket 111 of bucket elevator 11 is arranged on material bin 1241 tops, goes into the bottom that stove coal transfer roller 17 is arranged on coal bunker 14.
Shown in figure 11: this example also comprises industry control center 90, the 90 pairs of induced draft fans that directly are electrically connected with it 18 in industry control center, goes into stove coal transfer roller 17 and bucket elevator 11 is controlled,
This example also includes stove coal electric controller 901; Going into 901 pairs of stove coal electric controllers goes into stove coal transfer roller 17, induced draft fan 18 and bucket elevator 11 and controls automatically respectively; Go into stove coal electric controller 901 and link with upper industry control center 90 again, realize going into the robotization of stove coal dewatering.Certainly, go into stove coal transfer roller 17, induced draft fan 18 and bucket elevator 11 in this example and also can directly receive 90 controls of industry control center, so set into the restriction that stove coal electric controller 901 does not constitute this routine protection domain here from electric control theory.
This example is gone into stove coal dewatering method principle:
1, industry control center 90 feeds stove coal electric controller 901 and spreads out of into stove coal transfer roller 17, induced draft fan 18 and bucket elevator 11 initiating signals; The stove coal of going into through bucket elevator 11 is accomplished proportioning is earlier sent in the dehydrator shell 121 top material bins 1241; Through pan feeding vibratory screening apparatus 1242, blanking channel 1243, blanking vibratory screening apparatus 1244; Waste gas radiator element 125 falls into coal bunker 14 at last;
2, hot waste gas being got into tracheae 122 through the hot waste gas master feeds in the waste gas admission passage 1251 of waste gas radiator element 125 inside; Get into dehydration waste gas master through waste gas radiator element 125 inner dehydration waste gas exhaust channels 1252 again and discharge tracheae 123, discharge from chimney 16 afterwards through the water layer cleaning that induced draft fan 18 gets in the dust settling chamber 152 again;
3, meanwhile; Go into the stove coal fall into through waste gas radiator element 125 coal bunker 14 processes also can be to dehydrator shell 121 chambeies in coal bunker 14 storehouses in air heat; Heated air utilizes the heat buoyancy of self to get into the interior siphunculus 132 (like Fig. 3) that gets into of off-air of coal dust strainer 13; Be higher than the inlet 1341 of discharging siphunculus 134 in the off-air owing to get into the inlet 1321 of siphunculus 132 in the off-air; Hot off-air forms whirlwind from top to bottom and gets into discharge siphunculus 134 in the off-air; Discharge siphunculus 135 dischargings outward through steel fiber filtering net 136 and off-air at last, thereby the dust funnel 133 that the dust in the off-air falls into the below because of steel fiber filtering net 136 intercepts gets into coal bunker 14.
Third part is gone into the stove coal and is advanced coal, preheating, adjusting, cooling
The stove coal process of going into after the dehydration carries the back temperature generally can reduce to normal temperature; Particularly winter temperature is lower; Temperature may be lower; But but hope during coking to go into stove coal temperature remain between 200 ℃ to 300 ℃ more suitable, so need before the coking chamber that gets into the coal cracking stove, carry out preheating to going into the stove coal.
First segment is gone into the stove coal and is advanced coal
As shown in Figure 5: advance that device for coal 2 mainly includes stove cuttings conveyer 21, goes into stove coal bunker 22, the coal dust branch to device 25, coal dust distribution chamber 26, go into stove coal bunker tremie pipe 29, coal dust strainer 23.
As shown in Figure 5; Go into stove cuttings conveyer 21 and adopt screw conveying structure; Be arranged on into stove coal bunker 22 tops, go into the middle coal dust branch that convexity is set in stove coal bunker 22 bottoms, will go into stove coal bunker 22 bottoms and be divided into several coal dust distribution chambers 26 to device 25; This example is provided with 8 coal dust distribution chambers 26 altogether, is connected to stove coal bunker tremie pipe 29 respectively in coal dust distribution chamber 26 bottoms, goes on the stove coal bunker tremie pipe 29 blanking valve 24 is set.
Like Fig. 5, shown in Figure 4; Coal dust strainer 23 (just the same basically with the coal dust filtration device structure of introducing in this routine second section) is arranged on the top into stove coal bunker 22; Mainly comprise filter body 231, off-air get into outward discharge siphunculus 234 in the siphunculus 232, dust funnel 233, off-air, off-air is discharged siphunculus 235 outward; Off-air gets into siphunculus 232 outward and is arranged on filter body 231 neighborings; In filter body 231 set inside dust funnel 233 is arranged; Dust funnel 233 leads to into stove coal bunker 22, above dust funnel 233, is provided with and discharges siphunculus 234 in the off-air, and the inlet that off-air gets into siphunculus 232 outward is higher than discharge siphunculus 234 inlets in the off-air; Off-air gets into siphunculus 232 outward and forms cyclone structures with the interior 234 one-tenth vertical angles of siphunculus of discharging of off-air at filter body 231; Discharge siphunculus 234 in the off-air and be arranged on the strainer internal head cover 237, off-air is discharged siphunculus 235 outward and is provided with on the outer top cover 238 of strainer, outside strainer internal head cover 237 and strainer, is provided with steel fiber filtering net 236 between the top cover 238.
In addition; Shown in figure 11, this example also comprises into device for coal electric controller 902, advances 902 pairs of coal electric controllers and goes into stove cuttings conveyer 21 and control with blanking valve 24; Advancing device for coal electric controller 902 links with upper industry control center 90 again; Certainly from electric control theory, go into stove cuttings conveyer 21 in this example and also can directly receive 90 controls of industry control center with blanking valve 24, do not constitute restriction so be provided with device for coal electric controller 902 here to this routine protection domain.
Second joint is gone into the preheating of stove coal
Like Fig. 5, shown in Figure 6: preheating unit 39 places the into below of device for coal 2, and preheating unit 39 is positioned at the top of coal cracking stove 9.
Like Fig. 6, Fig. 7, shown in Figure 8; Preheating unit 39 mainly includes the above heating by the exhaust gases passage of body of heater 91, exhaust air chamber 391, at least one 392, preheater 393; That body of heater 91 is divided into is interior, in, outer three layers of body of wall 913,912,911 (shown in Figure 8), internal layer body of wall 913 form exhaust air chamber 391 middle level bodies of wall 912 and outer body of wall 911 and form waste gas gathering circuits 395; Assemble circuit 395 at waste gas and be provided with waste gas primary outlet 3951; That heating by the exhaust gases passage 392 passes is interior, middle level body of wall 913,912 is assembled circuit 395 with exhaust air chamber 391 and waste gas and is communicated with; And with being separated into several preheating chambers 394 (as shown in Figure 8, this example has 8 heating by the exhaust gases passages 392 will be separated out 8 preheating chambers 394) between internal layer body of wall 913 and the middle level body of wall 912, preheater 393 places each preheating chamber 394 respectively.
Like Fig. 7, shown in Figure 8: 393 one-tenth round shapes of preheater adopt steel; Preheater 393 comprises that cylindrical shell 3931, taper branch are to device 3932; Open wide funnel 3933; Preheating coal blanking road 3934, taper divide to device 3932 and unlimited funnel 3933 to be arranged on cylindrical shell 3931 successively from top to bottom in groups, is beneficial to going into the even preheating of coal stove.
Like Fig. 8, shown in Figure 6, body of heater 91 adopts circle to be beneficial to the space priorization, reserves certain space between preheater 393 and the preheating chamber 394, utilizes the warm air in the exhaust air chamber 391 that preheater 393 is heated, and homogeneous heating is stable.
As shown in Figure 6; On body of heater 91, be provided with and lead to preheating chamber thermometer hole 3941; Preheating chamber thermometer 3942 is arranged on the temperature variation that 3941 outlets of preheating chamber thermometer hole are used for monitoring preheating chamber 394; On body of heater 91, be provided with and lead to exhaust air chamber thermometer hole 3914, exhaust air chamber thermometer 3915 is arranged on the temperature variation that 3914 outlets of waste gas thermometer hole are used to monitor exhaust air chamber 391, in addition; At the top of exhaust air chamber 391 upper observation hole 3912 is set, in the bottom of exhaust air chamber 391 lower observation hole 3913 is set so that the technician observes the working condition of exhaust air chamber 391, coal cracking stove 9 bottoms.
Like Fig. 5, shown in Figure 6; Preheating chamber 394 is provided with preheating off-air outlet duct 396; The off-air that preheating off-air outlet duct 396 leads to coal dust strainer 23 gets into siphunculus 232 outward; The hot off-air of dust-laden of preheating chamber 394 tops is entered off-air get into outward in the siphunculus 232, the stove coal of going into that helps in the coal stove storehouse 22 drops into preheating in the preheating chamber 394 smoothly.
Like Fig. 5, Fig. 6, shown in Figure 8; The bottom of exhaust air chamber 391 is provided with hot waste gas admission passage 3911; Hot waste gas after the burning gets into from hot waste gas admission passage 3911; Get into waste gas through heating by the exhaust gases passage 392 and assemble in the circuit 395, assemble waste gas primary outlet 3951 discharges of circuit 395 at last from waste gas, the hot waste gas after the burning can carry out thermal conduction to heating by the exhaust gases passage 392, internal layer body of wall 913, internal layer body of wall 912 in discharge process; The unique texture design of this preheating unit 39; Be to utilize the hot waste gas of from exhaust air chamber 391, discharging after burning that preheating chamber 394 air are heated, the stove coal of going into that reaches falling into preheater 393 carries out preheating, can lower the temperature to the hot waste gas of from exhaust air chamber 391, discharging after burning again simultaneously; Need not consume the extra energy, reach self UTILIZATION OF VESIDUAL HEAT IN purpose the hot waste gas after the burning.
In addition, shown in figure 11, this example comprises that also preheating temperature monitor 903 is used to monitor the temperature data of preheating chamber thermometer 3942 and exhaust air chamber thermometer 3915.Preheating temperature monitor 903 links with upper industry control center 90 again; Certainly from electric control theory; Preheating chamber thermometer 3942 also can directly receive 90 monitorings of industry control center with exhaust air chamber thermometer 3915 in this example, does not constitute restriction to this routine protection domain so preheating temperature monitor 903 is set here.
The stove coal of going into after the 3rd joint preheating is regulated
Like Fig. 5, shown in Figure 6; Go into stove coal surge bunker 3; Going into stove coal surge bunker 3 is arranged on and is positioned at preheater 393 bottoms on the body of heater 91; The periphery of exhaust air chamber 391 is gone into stove coal surge bunker 3 and is comprised the upper and lower level gage of coal pocket 31, coal bunker 32,33, coal pocket thermometer 34, coal pocket blanking road 35, coal pocket baiting valve 36.
Like Fig. 5, shown in Figure 6; Coal pocket 31 tops connect preheater 393 bottoms; The upper and lower level gage 32,33 of coal bunker is located at the top and the bottom of coal pocket 31 respectively; Coal pocket thermometer 34 is positioned at coal pocket 31 middle parts, and coal pocket blanking road 35 is connected on the bottom of coal pocket 31 through coal pocket baiting valve 36, and coal pocket blanking road 35 leads to coal cracking oven carbonization chamber 61 (shown in Figure 9).
In addition; Shown in figure 11: this example also includes the stove coal and regulates the temperature signal of material level signal that electric controller 904 is used to gather the upper and lower level gage 32,33 of coal bunker, coal pocket thermometer 34 and the switching of coal pocket baiting valve 36 is realized control automatically; Going into stove coal adjusting electric controller 904 links with upper industry control center 90 again; Certainly from electric control theory; The temperature signal of the material level signal of the upper and lower level gage 32,33 of collection coal bunker, coal pocket thermometer 34 is gathered by also can directly at industry control center 90 in this example; Coal pocket baiting valve 36 opens and closes and directly receives 90 controls of industry control center, does not constitute the restriction to this routine protection domain so set into stove coal adjusting electric controller 904 here.
This example is gone into stove coal control method:
1, the stove coal of going into after the preheating is injected coal pocket 31 and prestores earlier, when needs to coking chamber 61 in during coal, industry control center 90 is opened coal pocket baiting valves 36 and in coking chamber 61, is gone into the stove coal;
2, when needs stop coal to coking chamber, coal pocket baiting valve 36 is closed at industry control center 90, stops in coking chamber 61, to add the stove coal;
3, when level gage under the coal bunker 33 detects the coal deficiency in the coal pocket 31; Blanking valve 24 is opened at industry control center 90; Give coal in the coal pocket 31, fill it up with when the coal that level gage on the coal bunker 32 detects in the coal pocket 31, blanking valve 24 is closed at industry control center 90; Stop to coal pocket 31 coals, play the stove coal of going into that gets into coking chamber 61 is regulated.
Like Fig. 5, shown in Figure 6; Coal pocket 31 tops also are provided with coal pocket hot air discharge passage 37; The off-air that coal pocket hot air discharge passage 37 leads to coal dust strainer 23 gets into siphunculus 232 outward; The dust-laden warm air of coal pocket 31 tops is able to enter off-air and gets into outward in the siphunculus 232, is beneficial to smooth coal in coal pocket 31
The stove coal of going into that the 4th joint advances before the coking chamber cools off
As shown in Figure 9; Coal pocket blanking road 35 is when the coking chamber 61 of coal cracking stove is annotated coal; Because there is the raw gas that produces in a large amount of coal cracking processes in coking chamber 61 tops, the higher meeting of raw gas temperature is carried out thermal conduction to coal pocket blanking road 35 bodys and body of heater 91, causes the stove coal in coal pocket blanking road 35, to lump easily; Obstruction is annotated coal in coking chamber 61, thereby need cool off going into the stove coal.
Like Fig. 9, shown in Figure 10; Go into stove coal refrigerating unit 5 and comprise air admission siphunculus 57, air discharge siphunculus 51, air admission endless tube 56, air are discharged endless tube 52, air admission arm 54, air exhaust outlet 53, cooling air channel 55; Wherein, Air admission siphunculus 57 and air admission endless tube 56, air are discharged siphunculus 51 and are discharged endless tube 52 with air and communicate, air admission endless tube 56, air discharge endless tube 52 be separately positioned on body of heater 91 around; Air admission endless tube 56 is discharged on the endless tube 52 with air and is connected to air admission arm 54, air exhaust outlet 53 respectively; Wherein air admission arm 54 is connected on cooling air channel 55 belows, and air exhaust outlet 53 is connected on the top of cooling air channel 55, and coal pocket blanking road 35 passes from cooling air channel 55 and leads to coking chamber 61.
Like Figure 10, shown in Figure 9; Because this body of heater 91 is designed to annular;, the coal pocket 31 that is provided with 8 notes coals around it carries out even coal around being beneficial to coking chamber 61; So cooling air channel 55 is corresponding with the quantity in coal pocket blanking road 35 also to be 8,, to utilize in the cooling air channel 55 the stove coal of going in the coal pocket blanking road 35 is cooled off when air gets into air admission endless tube 56, air admission arm 54, cooling air channel 55 successively, discharges discharge endless tube 52, the air discharge siphunculus 51 from air exhaust outlet 53, air again from air admission siphunculus 57; Prevent that effectively the stove coal from luming in coal pocket blanking road 35, realize in coking chamber 61, annotating coal smoothly.
In addition; Coal pocket blanking road 35 mainly is that the inboard that relies on coking chamber 61 receives the heat affecting of raw gas bigger; So the inner side-wall 351 in coal pocket blanking road 35 places cooling air channel 55, the outer side wall 352 in coal pocket blanking road 35 is exposed in the air, utilizes natural air to cool off; Reduce to blast the air quantity in the cooling air channel 55, thereby save energy consumption.
The 4th part is gone into stove coal cracking (charing heating, burnt upgrading, dry coke quenching)
First segment is gone into stove coal cracking charing heating
Shown in figure 15, coal cracking carbonizing apparatus 6 is arranged on body of heater 91 middle parts, comprises that mainly coking chamber 61, outer combustion gas heating unit 64, internal combustion heating unit 67, quirk bow 65 constitute; As shown in Figure 2: coking chamber 61 constitutes an annulus by the inside and outside ringwall 612,611 of fire-resistant thermally conductive material; Being centered around coking chamber exterior wall 611 ring peripheries is outer combustion gas heating unit 64; Wherein outer combustion gas heating unit 64 is mainly identical first combustion heater 62 of some groups of (these routine 9 groups) structures, second combustion heater 60 and gas reversing system 66 and constitutes; In addition; Shown in figure 15: because coking chamber 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is divided into upper, middle and lower syllogic heating, and every section has identical first combustion heater 62 of 9 groups of structures, second combustion heater, 60 formations.
As shown in Figure 6: is internal combustion heating unit 67 in ringwall 612 rings in the coking chamber, internal combustion heating unit 67 is mainly by some groups of (these routine 3 groups) structures identical the 3rd combustion heater 68, the 4th combustion heater 69 and quenching waste gas heater 63.
As shown in Figure 1, described first combustion heater 62 comprises that mainly first combustion chamber 621, first coal gas get into the arm 622 and first regenerative heat exchanger 624.
As shown in Figure 2; Body of heater 91 exterior walls that first combustion chamber 621 is processed by refractory materials and fire-resistant thermally conductive material are processed the gas-fired quirk that coking chamber outer ring wall 611 and outer quirk partition wall 625 surround a relative closure; As shown in Figure 1, first coal gas entering arm 622 passes body of heater 91 exterior walls and leads in first combustion chamber 621.
Like Fig. 1, shown in 12: first regenerative heat exchanger 624 comprises the first accumulation of heat chamber 626, first heat storage 623, the first air admission arm 627 and the first combustion exhaust exhaust outlet 628; The first accumulation of heat chamber 626 is arranged in body of heater 91 exterior walls; First heat storage 623 is provided with in the first accumulation of heat chamber 626; The first accumulation of heat chamber, 626 1 ends lead to 621 bottoms, first combustion chamber, and the other end is connected to the first air admission arm 627 and the first combustion exhaust exhaust outlet 628 respectively.
As shown in Figure 2: as between the first air admission arm 627 and the first accumulation of heat chamber 626, to be provided with the first one-way air valve, 629, the first one-way air valves 629 and to allow air to flow into first combustion chamber 621 from the first air admission pipe 627 and the first accumulation of heat chamber 626; Between the first combustion exhaust exhaust outlet 628 and the first accumulation of heat chamber 626, be provided with the first unidirectional waste gas valve 620; The first unidirectional waste gas valve 620 allows the gas-fired waste gas first accumulation of heat chamber 626 of flowing through from first combustion chamber 621; Discharge (certainly from the first combustion exhaust exhaust outlet 628 at last; The gas reversing system 66 that employing is described below is responsible for 667 and first air when air and is in charge of 6671 connections, and the air person in charge 667 and second air is in charge of 6673 and is in cut-out; Meanwhile; The combustion exhaust person in charge 669 is in charge of 6691 with first combustion exhaust and also cuts off mutually; And corresponding combustion exhaust is responsible for 669 and second combustion exhaust and is in charge of 6693 and is in and is connected, and can play the effect of the replacement first one-way air valve 629 and the first unidirectional waste gas valve 620).
In like manner; As shown in Figure 2: identical second combustion heater 60 of structure comprises that mainly second combustion chamber 601, second coal gas get into the arm 602 and second regenerative heat exchanger 604; Body of heater 91 exterior walls that second combustion chamber 601 is processed by refractory materials and fire-resistant thermally conductive material are processed the gas-fired quirk that coking chamber outer ring wall 611 and outer quirk partition wall 625 surround a relative closure, and second coal gas gets into arm 602 and passes body of heater 91 exterior walls and lead in first combustion chamber 601.
As shown in Figure 2: second regenerative heat exchanger 604 comprises the second accumulation of heat chamber 606, second heat storage 603, the second air admission arm 607 and the second combustion exhaust exhaust outlet 608; The second accumulation of heat chamber 606 is arranged in body of heater 91 exterior walls; Second heat storage 603 is provided with in the second accumulation of heat chamber 606; The second accumulation of heat chamber, 606 1 ends lead to 601 bottoms, second combustion chamber; The other end is connected to the second air admission arm 607 and the second combustion exhaust exhaust outlet 608 respectively; Between the second air admission arm 607 and the second accumulation of heat chamber 606, being provided with the second one-way air valve, 609, the second one-way air valves 609 allows air to flow into second combustion chamber 601 from the second air admission pipe 607 and the second accumulation of heat chamber 606; Between the second combustion exhaust exhaust outlet 608 and the second accumulation of heat chamber 606, be provided with the second unidirectional waste gas valve 600; The second unidirectional waste gas valve 600 allows the gas-fired waste gas second accumulation of heat chamber 606 of flowing through from second combustion chamber 601; Discharge from the second combustion exhaust exhaust outlet 608 at last and (certainly, adopt the gas reversing system 66 that is described below, be responsible for 667 and first air when air and be in charge of 6671 cut-outs; The air person in charge 667 and second air is in charge of 6673 and is in connection; Meanwhile, the combustion exhaust person in charge 669 and first combustion exhaust is in charge of 6691 and also is connected, and the corresponding combustion exhaust person in charge 669 is in charge of 6693 also cut-outs mutually with second combustion exhaust; Can play the effect that replaces the second one-way air valve and the second unidirectional waste gas valve).
Like Fig. 1, shown in Figure 2; The top of outer quirk partition wall 625 is provided with combustion chamber through hole 6251 between first combustion chamber 621 and next-door neighbour's second combustion chamber 601; Combustion chamber through hole 6251 is connected first combustion chamber 621 and next-door neighbour's second combustion chamber 601 and is constituted related one group; In this example, outer combustion gas heating unit 64 is provided with quirk partition wall 625 partition walls outside 18 roads altogether, forms 9 groups of related burning groups; In addition, shown in figure 15; Because coking chamber 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is divided into the heating of upper, middle and lower syllogic, and every section has identical first combustion heater 62 of 9 groups of structures, second combustion heater 60 to constitute.
In sum, combustion heater and regenerative heat exchange method are;
1, when the coal gas in first combustion chamber 621 burns; Purified gas behind the raw gas reclaiming clean gets into arm 622 through first coal gas and enters in first combustion chamber 621; The first one-way air valve 629 is opened, and allows air to flow into first combustion chamber 621 from the first air admission pipe 627 and the first accumulation of heat chamber 626; The described first unidirectional waste gas valve 620 is closed; After the hot waste gas that produces gets into second combustion chamber 601 through logical 6251 holes, combustion chamber; Hot waste gas is during through second heat storage 603 in the second accumulation of heat chamber 606; 603 pairs of hot waste gass of second heat storage carry out absorbing and cooling temperature, and hot waste gas becomes the relatively low low temperature waste gas of temperature and discharges from the second combustion exhaust exhaust outlet 608;
2, during the gas-fired in taking turns to second combustion chamber 601; Purified gas behind the raw gas reclaiming clean gets into arm 602 through second coal gas and enters in second combustion chamber 601; The second one-way air valve 609 is opened; Air enters into second combustion chamber, 601 processes from the second air admission arm 607 through the second accumulation of heat chamber 606, and air is become the gas-fired in combustion-supporting second combustion chamber 601 of warm air by the heat that second heat storage 603 discharges; Meanwhile; The described second unidirectional waste gas valve 600 is closed; After hot waste gas after the gas-fired in second combustion chamber 601 gets into first combustion chamber 621 through combustion chamber through hole 6251; Hot waste gas is during through first heat storage 623 in the first accumulation of heat chamber 626, and 623 pairs of hot waste gass of first heat storage carry out absorbing and cooling temperature, and hot waste gas becomes the relatively low low temperature waste gas of temperature and discharges from the first combustion exhaust exhaust outlet 628;
3, in like manner, the 1st step carried out with the 2nd step alternate cycles.
As shown in Figure 1: as on body of heater 91 exterior walls, also to be provided with chamber temperature monitoring holes 6201 and combustion chamber spy hole 6202; Combustion chamber spy hole 6202 is convenient to the gas-fired situation that the technician intuitively observes each combustion chamber; Be provided with chamber temperature table 6203 in the chamber temperature monitoring holes 6201 and be used for temperature monitoring, so that to the assessment of coal cracking process the combustion chamber.
Shown in figure 14: chamber temperature table 6203 links with industry control center 90, is gathered the temperature data of chamber temperature table 6203 automatically by industry control center 90.
Shown in Fig. 3, Fig. 4, Fig. 5-1; Gas reversing system 66 comprises dish 661, lower wall 662, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666; Lower wall 662 is connected to air respectively and is responsible for 667 and first air and is in charge of 6671, second air and is in charge of 6673; Coal gas is responsible for 668 and first gas manifold 6681, second gas manifold 6683; The combustion exhaust person in charge 669 and second combustion exhaust is in charge of 6693, first combustion exhaust and is in charge of 6691; Wherein, second combustion exhaust is in charge of 6693 and first combustion exhaust and is in charge of 6691 and first air and is in charge of 6671 and second air and is in charge of the setting of 6673 and first gas manifold 6681 and second gas manifold 6683 and just exchanges (shown in Fig. 4, Fig. 5-1).
Shown in Fig. 3,15, Fig. 5-1: on coil 661 and be fitted in lower wall 662 tops; Last dish 661 correspondence respectively is provided with air pipe connecting 6672, coal gas pipe connecting 6682, combustion exhaust pipe connecting 6692; Go up dish 661 and on lower wall 662, back and forth rotate and realize that air is responsible for 667 and constantly is in charge of 6671 and second air with first air and is in charge of 6673 and connects and cut off conversion thereby rotation reversing motor 663 drives; Coal gas is responsible for 668 and is constantly connected and cut off conversion with first gas manifold 6681 and second gas manifold 6683, combustion exhaust be responsible for 669 constantly and second combustion exhaust be in charge of 6693 and first combustion exhaust and be in charge of 6691 and connect and cut off conversion (be in charge of 6671 and second air to be in charge of the switching of 6673 and first gas manifold 6681 and second gas manifold 6683 just opposite) with first air.
Shown in Fig. 1, Fig. 5-1, also be provided with two groups of bustle pipes in the periphery of body of heater 91, comprise the first air bustle pipe, 6674, the first coal gas bustle pipes, 6684, the first combustion exhaust bustle pipes 6694; The second air bustle pipe 6675, the second coal gas bustle pipe, 6685, the second combustion exhaust bustle pipes 6695.
Shown in Fig. 5-1: the first air bustle pipe 6674 is in charge of the 6671 and first air admission arm 627 with first air and is linked up, and first air is in charge of 6671, the first air bustle pipe 6674, the first air admission arm 627, the first accumulation of heat chamber 626 and first combustion chamber 621 constitutes same path; Meanwhile, the first coal gas bustle pipe 6684 gets into arm 622 with first gas manifold 6681 and first coal gas and links up, and first gas manifold 6681, the first coal gas bustle pipe 6684, first coal gas are got into arm 622 and the same path of first combustion chamber, 621 formations; This moment simultaneously; The first combustion exhaust bustle pipe 6694 is first combustion exhaust to be in charge of the 6681 and first combustion exhaust exhaust outlet 628 link up, with first combustion exhaust be in charge of 6681, the first combustion exhaust exhaust outlet 628, the first accumulation of heat chamber 626 constitutes same path with combustion chamber 621;
In like manner; The second air bustle pipe 6675 is in charge of the 6673 and second air admission arm 607 with second air and is linked up, and second air is in charge of 6673, the second air bustle pipe 6675, the second air admission arm 607, the second accumulation of heat chamber 606 and second combustion chamber 601 constitutes same path; Meanwhile; The second coal gas bustle pipe 6685 gets into arm 602 with second gas manifold 6683 and second coal gas and links up, with second gas manifold 6683, the second coal gas bustle pipe 6685 will, second coal gas gets into arm 602 and second combustion chamber 601 constitutes same path; Meanwhile; The second combustion exhaust bustle pipe 6695 is in charge of the 6693 and second combustion exhaust exhaust outlet 608 with second burning gas and is linked up, and second combustion exhaust is in charge of 6693, the second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 and second combustion chamber 601 constitutes same path.
In addition; Shown in figure 14; This example comprises that also gas reversing system unit 906 is used for rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 controls; Reversing system electric controller 906 links with upper industry control center 90 again; Certainly from electric control theory, rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 also can directly receive 90 controls of industry control center in this example, so the restriction that gas reversing system unit 906 does not constitute this routine protection domain is set here.
Like Fig. 1, Fig. 5-1 and Fig. 2~shown in Figure 5, the heating means of outer combustion gas heating unit 64 are:
(1) upward dish 661 rotation on lower wall 662 of rotation reversing motor 663 drives of gas reversing system 66, air is responsible for 667 and first air and is in charge of 6671 connections, and the air person in charge 667 and second air is in charge of 6673 and is in dissengaged positions; Simultaneously, coal gas is responsible for 668 and first gas manifold 6681 and also is connected, and coal gas is responsible for 668 and second gas manifold, 6683 dissengaged positions; Meanwhile, combustion exhaust is responsible for 669 and is in charge of 6691 with first combustion exhaust and also cuts off mutually, and the corresponding combustion exhaust person in charge 669 and second combustion exhaust is in charge of 6693 and is in the state of being connected;
(2) air blower 664 with air blast that air is responsible for 667, air successively through air pipe connecting 6672, first air be in charge of 6671, the first air bustle pipe 6674, the first air admission arm 627 enters into the first accumulation of heat chamber 626, the heat that utilizes first heat storage 623 to discharge heats the back to air and gets in first combustion chamber 621; Simultaneously; Gas fan 665 blasts the coal gas person in charge 668 with raw gas through obtaining purified gas behind the reclaiming clean; Coal gas gets into arm 622 through coal gas pipe connecting 6682, first gas manifold 6681, the first coal gas bustle pipe 6684, first coal gas successively and gets in first combustion chamber 621 and burn; Meanwhile; Because the combustion exhaust person in charge 669 is in charge of 6691 with first combustion exhaust and is in dissengaged positions mutually; And corresponding combustion exhaust is responsible for 669 and second combustion exhaust and is in charge of 6693 and is in the state of being connected; So the waste gas in first combustion chamber 621 after the gas-fired can only enter into second combustion chamber 601 through the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again through second heat storage 603 in the second accumulation of heat chamber 606 carry out behind the absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608, the second combustion exhaust bustle pipe 6695, second combustion exhaust be in charge of 6693, combustion exhaust is responsible for 669 and discharges through exhaust gas fan 666;
(3) warp burning after a while; Dish 661 backward rotation on lower wall 662 is gone up in rotation reversing motor 663 drives of gas reversing system 66, and air is responsible for 667 and first air and is in charge of 6671 cut-outs, and the air person in charge 667 and second air is in charge of 6673 and is in on-state; Simultaneously; The coal gas person in charge 668 also cuts off with first gas manifold 6681 mutually, and coal gas is responsible for 668 and second gas manifold, 6683 on-states, meanwhile; Combustion exhaust is responsible for 669 and first combustion exhaust and is in charge of 6691 and also is connected, and the corresponding combustion exhaust person in charge 669 and second combustion exhaust are in charge of 6693 also dissengaged positions mutually;
(4) air blower 664 with air blast that air is responsible for 667, air successively through air pipe connecting 6672, second air be in charge of 6673, the second air bustle pipe 6675, the second air admission arm 607 enters into the second accumulation of heat chamber 606, the heat that utilizes second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats the back to air and gets in second combustion chamber 601; Simultaneously; Gas fan 665 blasts the coal gas person in charge 668 with raw gas through obtaining purified gas behind the reclaiming clean; Coal gas gets into arm 602 through coal gas pipe connecting 6682, second gas manifold 6683, the second coal gas bustle pipe 6685, second coal gas successively and gets in second combustion chamber 601 and burn; Meanwhile; Because the combustion exhaust person in charge 669 and first combustion exhaust is in charge of 6691 and is connected; And corresponding combustion exhaust is responsible for 669 and is in charge of 6693 with second combustion exhaust and is in dissengaged positions mutually, thus in second combustion chamber 601 waste gas after the gas-fired can only combustion chamber through hole 6251 entering first combustion chamber 621 through outer quirk partition wall 625 tops in, again through the first accumulation of heat chamber 626; In first heat storage, 603 absorbing and cooling temperatures after, at last from the first combustion exhaust exhaust outlet 628, the first combustion exhaust bustle pipe 6694, first combustion exhaust be in charge of 6691, combustion exhaust is responsible for 669 and discharges through exhaust gas fan 666.
So; Through hole 6251 gets into second combustion chamber 601 to the waste gas that outer combustion gas heating unit 64 combustion principle are after gas-fired in first combustion chamber 621, to generate from the combustion chamber, through second combustion chamber 601 and the second accumulation of heat chamber 606 in second heat storage 603 to all the other thermal absorptions coolings after discharge.
Otherwise through hole 6251 gets into first combustion chamber 621 to the waste gas that after gas-fired in second combustion chamber 601, generates from the combustion chamber, and first heat storage 603 is discharged after all the other thermal absorptions are lowered the temperature in first combustion chamber 621 and the first accumulation of heat chamber 606.
In sum; This gas two through the gas reversing system advances the mode of operation of the regenerative heat exchange of the mode of operation that outes and regenerative heat exchanger; Realize two groups of combustion heater alternate combustion; Be that the gas reversing system is sent into air, purified gas burning to the combustion chamber of first combustion heater; Hot waste gas after sucking-off is burnt from the combustion chamber of second combustion heater simultaneously, hot waste gas become the relatively low low temperature waste gas of temperature through the second heat storage absorbing and cooling temperature in second regenerative heat exchanger of second combustion heater and discharge; In like manner; The gas reversing system is sent into air, purified gas burning to the combustion chamber of second combustion heater; Hot waste gas after sucking-off is burnt from the combustion chamber of first combustion heater simultaneously, hot waste gas become the relatively low low temperature waste gas of temperature through the first heat storage absorbing and cooling temperature in first regenerative heat exchanger of first combustion heater and discharge; This method of utilizing waste gas residual heat after the gas-fired to add warm air each other; Both played the waste gas residual heat after the gas-fired had been made full use of; Improve the efficiency of combustion of the coal gas in the combustion chamber, can carry out cooling to a certain degree to the waste gas after the gas-fired again, need not consume the external energy; Play energy saving purposes, save the coking cost.
Like Fig. 6, shown in Figure 15, internal combustion heating unit 67 is mainly by some groups of (these routine 3 groups) combustion heater 68,69 and quenching waste gas heaters 63 that structure is identical.
Like Figure 11, shown in Figure 8; Quenching waste gas heater 63 comprises internal-quirk 631,632, blowdown pipes 6321 of air benefit pipe, secondary air compensating pipe 6322, tonifying Qi circuit 633, center ringwall 634, internal-quirk partition wall 635, centre channel 638, and internal-quirk 631 is arranged on the quirk bow 65.
As shown in Figure 8; Internal-quirk 631 mainly by ringwall in the coking chamber 612 with the center ringwall 634 that is positioned at coking chamber ringwall 612 and at least internal-quirk partition wall 635 be divided into main internal-quirk 636 arranged side by side more than at least one group, secondary internal-quirk 637; As shown in Figure 8; 6 main internal-quirks 636 of this example and 6 secondary internal-quirks 637 form 6 groups of internal-quirks 631 altogether side by side.
Shown in figure 11, in the secondary internal-quirk 637 shutoff dividing plate 6371 is set, following shutoff dividing plate 6372 is divided into three sections of upper, middle and lower with secondary internal-quirk 637, i.e. the secondary internal-quirk 6375 of epimere, the secondary internal-quirk 6374 in stage casing, the secondary internal-quirk 6373 of hypomere; Quirk partition wall 635 between secondary internal-quirk 6375 of epimere and the main internal-quirk 636 is provided with waste gas and gangs up hole 6303; The secondary internal-quirk 6375 of epimere is offered hot waste gas exhaust channel 6306 with main internal-quirk 636 tops, and hot waste gas exhaust channel 6306 communicates with the exhaust air chamber 391 on body of heater 91 tops.
Like Figure 11, shown in Figure 8; On the quirk partition wall 635 between secondary internal-quirk 6373 of hypomere and the main internal-quirk 636 quirk is set and gangs up hole 6304; Quirk is ganged up hole 6304 near following shutoff dividing plate 6372 belows; As shown in Figure 8,6 quirks are ganged up hole 6304 and respectively secondary internal-quirk 6373 of 6 hypomeres and main internal-quirk 636 perforations are in the same place.
Shown in figure 11; Center ringwall 634 surrounds centre channel 638; With last shutoff dividing plate 6371 concordant places one channel partition 6382 is set in the centre channel 638; Centre channel 638 is separated into upper and lower two portions, and promptly the lower section forms high temperature combustible exhaust gas admission passage 6383, and top forms buffer zone 6381.
Like Fig. 9, shown in Figure 11; Ringwall 634 bottoms in center are provided with the combustible exhaust gas that connects high temperature combustible exhaust gas admission passage 6383 and main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere and get into hole 639, and ringwall 634 tops in center are provided with the waste gas that connects buffer zone 6381 and main internal-quirk 636 and the secondary internal-quirk 6375 of epimere and get into hole 6301.
Like Figure 11, Figure 10, shown in Figure 9: tonifying Qi circuit 633 is arranged on the body of heater 91; Air is mended pipe 632 and is led to tonifying Qi circuit 633; Blowdown pipe 6321, secondary air compensating pipe 6322 and tonifying Qi circuit 633 UNICOMs pass the inside that extends upward to the quirk partition wall 635 between major and minor internal-quirk 636,637 below the bar bow 651 of quirk bow 65.
Like Figure 11, shown in Figure 2: blowdown pipe 6321 be arranged on major and minor internal-quirk 636,637 between the inside of quirk partition wall 635; The outlet 6323 of a blowdown pipe 6321 is positioned at down, and the shutoff dividing plate leads to main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere respectively below 6372; Shown in figure 11; Secondary air compensating pipe 6322 also is arranged on the inside of the quirk partition wall 635 of major and minor internal-quirk 636,637; And the secondary air compensating of secondary air compensating pipe 6322 outlet 6324 is positioned at and last shutoff the dividing plate 6371 concordant or a little higher than shutoff dividing plates 6371 of going up, and leads to main internal-quirk 636.
Like Figure 11, shown in Figure 7; The secondary internal-quirk 6374 in stage casing forms the independent gas combustion chamber of relative closure; The secondary internal-quirk 6374 in a last stage casing connects into relevant one group with the secondary internal-quirk 6374 in next bar stage casing of next-door neighbour through chamber passage 6305; Chamber passage 6305 below last shutoff dividing plate 6371 and from pass the main internal-quirk 636 between next bar stage casing pair internal-quirk 6374 of secondary internal-quirk 6374 in stage casing and next-door neighbour; As shown in Figure 7,6 secondary internal-quirks 6374 in stage casing connect into 3 groups through 3 chamber passages 6305.
Like Figure 11, Fig. 6, shown in Figure 7; The secondary internal-quirks 6374 in two stage casings in the secondary internal-quirk 637 (be upper and lower shutoff dividing plate 6371, between 6372) are provided with the identical association of one group of structure the 3rd combustion heater 68, the 4th combustion heater 69; First burning heater 62 of its structure and combustion principle and above introduction, second burning heater 60 are almost completely identical, comprise that also the 3rd combustion heater 68 comprises that the 3rd combustion chamber 681, the 3rd coal gas get into arm 682, the 3rd accumulation of heat chamber 686, the 3rd heat storage 683, the 3rd air admission arm 687 and the 3rd combustion exhaust exhaust outlet 688.
Like Figure 11, shown in Figure 6, need explanation different be that the 3rd combustion chamber 681 of the 3rd burning heater 68 is the secondary internal-quirks 6374 in stage casing, promptly by upper and lower shutoff dividing plate 6371, airtight relatively gas-fired quirk between 6372.
Like Figure 11, Figure 10, shown in Figure 9: the 3rd coal gas gets into arm 682 and below the bar bow 651 of quirk bow 65, passes to extend upward through quirk partition wall 635 inside and lead to the 3rd combustion chamber 681 (being the secondary internal-quirk 6374 in stage casing); The 3rd accumulation of heat chamber 686 is arranged on the body of heater 91 that bar bends 651 belows; The 3rd heat storage 683 places the 3rd accumulation of heat chamber 686; The 3rd accumulation of heat chamber 686 1 ends pass below the bar bow 651 of quirk bow 65 through extending passage 6861; Extend upward through quirk partition wall 635 inside and lead to 681 bottoms, the 3rd combustion chamber, the 3rd accumulation of heat chamber 686 the other ends are connected to the 3rd air admission arm 687 and the 3rd combustion exhaust exhaust outlet 688 respectively.
In like manner, the 4th combustion heater 69 structures are intact identical with the 3rd combustion heater 68, repeat no more here, and wherein the 4th combustion chamber 691 is connected through chamber passage 6305 with the 3rd combustion chamber 681 and constituted related one group (shown in Figure 7).
Wherein, Shown in Fig. 5-1; The 3rd coal gas of the 3rd combustion chamber 681 of the 3rd burning heater 68 gets into arm 682, the 3rd air admission arm 687 and the 3rd combustion exhaust exhaust outlet 688 and is in charge of 6671, first combustion exhaust through the first coal gas bustle pipe 6684, the first air bustle pipe, 6674, the first combustion exhaust bustle pipes 6694 and first gas manifold 6681, first air respectively and is in charge of 6691 and communicates.
Shown in Fig. 5-1, the 4th coal gas of the 4th combustion chamber 691 of the 4th burning heater 69 gets into arm 692, the 3rd air admission arm 697 and the 3rd combustion exhaust exhaust outlet 698 and is in charge of 6673, second combustion exhaust through the second coal gas bustle pipe 6685, the second air bustle pipe 6675, the second combustion exhaust bustle pipe 6695 and second gas manifold 6683, second air respectively and is in charge of 6693 and communicates.
In sum, the 3rd burning heater 68, the 4th combustion heater 69, combustion principle and above first burning heater 62, second burning heater 60 are almost completely identical, repeat no more here.
These routine internal combustion heating unit 67 method principles are that the secondary internal-quirk 6375 of epimere is that the high temperature combustible exhaust gas that utilizes dry coke quenching to produce carries out tonifying Qi burning heating with secondary internal-quirk 6373 of hypomere and main internal-quirk 636, and the secondary internal-quirk 6374 in stage casing is the purified gas burning heating that utilize in addition behind the raw gas reclaiming clean.
These routine internal combustion heating unit 67 methods are: (1), get into from the high temperature combustible exhaust gas admission passage of centre channel 638 bottoms 6383 when the high temperature combustible exhaust gas; Getting into hole 639 through combustible exhaust gas gets in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere; The high temperature combustible exhaust gas temperature that has just got into is higher generally all at 1000 ℃~1100 ℃; But along with waste gas externally acting heat radiation of rising in the secondary internal-quirk 6373 of main internal-quirk 636 and hypomere, temperature can reduce;
(2), at this moment go into air for the benefit in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere through a blowdown pipe 6321; Thereby make the high temperature combustible exhaust gas obtain airborne oxygen burning; The amount of the combustible gas in the high-temperature combustible gas body is certain after all, is not enough to the heat and the temperature that provide coking chamber 61 coal cracking required;
(3) so; When passing through quirk through the waste gas after the tonifying Qi burning, the high temperature combustible exhaust gas of the secondary internal-quirk 6373 of hypomere gangs up hole 6304 around in main internal-quirk 636; Mix rising in main quirk 636 with high-temperature combustible gas body in the main internal-quirk 636 and waste gas after burning; Along with mixed high-temperature combustible gas body and waste gas after burning can provide heat and externally acting for the coal cracking in the coking chamber 61 by ringwall 612 in through coking chamber in uphill process, temperature can reduce gradually;
(4) so need to get into short covering gas through secondary air compensating pipe 6322 once more in the middle and upper part of main internal-quirk 636; Make the further burning again of mixed high-temperature combustible gas body and waste gas after burning; This provides required heat and temperature not only for coking chamber 61 coal cracking; And the high-temperature combustible gas body is fully burnt, improve high-temperature combustible gas work by combustion efficient;
(5), in addition; Owing in the middle of the secondary internal-quirk 6375 of main internal-quirk 636 and epimere, have buffer zone 6381; Ringwall 634 tops in center are provided with the waste gas that connects buffer zone 6381 and main internal-quirk 636 and the secondary internal-quirk 6375 of epimere and get into hole 6301; Quirk partition wall 635 between the secondary internal-quirk 6375 of main internal-quirk 636 and epimere is provided with waste gas and gangs up hole 6303; Connect fully each other between the secondary internal-quirk 6375 of each bar master internal-quirk 636 and epimere; Make the waste gas after burning of tonifying Qi for the second time to mix fully mutually, belong to and reach samming between the secondary internal-quirk 6375 of main internal-quirk 636 and epimere and all press, isostatic heat and temperature are provided for the coal cracking on whole coking chamber 61 tops;
(6), enter the exhaust air chamber 391 on body of heater 91 tops at last through the hot waste gas exhaust channel 6306 at main internal-quirk 636 and the secondary internal-quirk of epimere 6375 tops through the secondary air compensating waste gas after burning;
(7), meanwhile, in order to remedy the quantity not sufficient of the combustible gas in the high-temperature combustible gas body, be not enough to provide the required heat of coking chamber 61 coal cracking and the defective of temperature; And can making full use of to the raw gas that produces in the coal cracking process; Provide raw gas through the burning of the purified gas behind the reclaiming clean for the 3rd combustion chamber 681 and the 4th combustion chamber 691 of the 3rd combustion heater 68, the 4th combustion heater 69, promptly in the secondary internal-quirk 637 in stage casing, add heat, enough heat and temperature are provided not only for coking chamber 61 coal cracking; Improved simultaneously the utilization ratio of raw gas again; Minimizing is discharged in atmosphere, avoids atmospheric pollution, has protected environment.
The burnt upgrading of second joint
Because coal carries out the coke that pyrolysis forms afterwards in coking chamber, there is the inequality of being heated, the inhomogenous situation of coke briquette grain size; Preferably certain temperature and time are provided to coke; Make between the coke fully to contact, carry out heat passagely each other, this just needs burnt modifying apparatus 610.
Like Figure 12, Figure 11, Fig. 9, shown in Figure 15; Burnt modifying apparatus 610; Be arranged at and be positioned in the body of heater on the quirk bow 65; Burnt modifying apparatus 610 comprises that burnt upgrading chamber 6100, main internal-quirk 636 bottoms, the secondary internal-quirk 6373 of hypomere are formed at the bottom of coking chamber 6; Center ringwall 634 surrounds the bottom of the high temperature combustible exhaust gas admission passage 6383 of centre channel 638, and ringwall 634 bottoms in center are provided with the combustible exhaust gas that connects high temperature combustible exhaust gas admission passage 6383 and main internal-quirk 636, the secondary internal-quirk 6373 of hypomere and get into hole 639.
In addition; As shown in Figure 1: body of heater 91 exterior walls are provided with burnt upgrading temperature monitoring hole 6101; Burnt upgrading temperature monitoring hole is provided with a burnt upgrading thermometer 6012 in 6101 holes; Shown in figure 14, industry control center 90 is electrically connected with burnt upgrading thermometer 6012, and the burnt upgrading temperature signal of the upgrading thermometer 6012 of focusing is automatically monitored.
The method that this burnt modifying apparatus carries out upgrading is: outside body of heater exterior wall by the thermal insulation fire-resistant material is incubated; Inside then gets into hole 639 with the high temperature combustible exhaust gas from combustible exhaust gas and gets into main internal-quirk 636 bottoms, the secondary internal-quirk 6373 of hypomere; Utilize the waste heat of high temperature combustible exhaust gas itself that insulation institute's heat requirement and temperature are provided; The high temperature combustible exhaust gas temperature that has particularly just got into just is fit to burnt upgrading between 1000 ℃~1100 ℃; Make coke in burnt upgrading chamber, retain certain hour, fully contact between the coke briquette grain, carry out heat passagely each other, reach evenly purpose of coke button size.
The 3rd joint quirk bow
Like Figure 11, shown in Figure 10; Because quirk partition wall 635, the center ringwall 634 of ringwall 612 and internal combustion heating unit 67 all are arranged in the furnace chamber in the coking chamber; Need quirk bow 65 for it provides support, the laying of various pipelines being provided for internal combustion heating unit 67 again simultaneously is like Figure 11, shown in Figure 10; Quirk bow 65 is arranged in the furnace chamber of coking chamber 61, internal combustion heating unit 67, burnt modifying apparatus 610 belows; Mainly comprise some bar bow 651, fiery bow center ringwall 652, ringwall 652 middle parts, fiery bow center form high temperature combustible exhaust gas passage 653, and bar bends 651 1 ends and is fixed on the fiery bow center ringwall 652; The other end is fixed on the body of heater 91; Bar bow 651 centers on ringwall 652 centers, the fiery bow center radial layout of scattering in interval at a certain angle, and the fire bow 651 in this example is 12 bows, and quantity is consistent with major and minor internal-quirk 636,637 sums of internal combustion heating unit 67.
Like Figure 11, shown in Figure 10; Article one, in the body of wall of fire bow 651 the extension passage 6861 that the 3rd coal gas gets into arm 682 and the 3rd accumulation of heat chamber 686 is set; The blowdown pipe 6321, the secondary air compensating pipe 6322 that are provided with in the body of wall of another tightly adjacent fire bow 651; Provide convenience for the pipeline laying of internal combustion heating unit 67, be set up in parallel the extension passage 6861 that 6 article of the 3rd coal gas gets into arm 682 and the 3rd accumulation of heat chamber 686 respectively in the body of wall of 6 fire bows 651,6 blowdown pipes 6321, the secondary air compensating pipe 6322 that are set up in parallel respectively in the body of wall of 6 fire bows 651 in addition; Make the various conduit arrangements of internal combustion heating unit 67 orderly, be unlikely to interfere.
The 4th joint dry coke quenching
Coke temperature through behind the upgrading is higher, generally all at 1000 ℃~1100 ℃, need cool off to make things convenient for to high temperature coke and carry and storage, needs the dried device 7 that puts out.
Like Figure 12, shown in Figure 13, the dried device 7 that puts out is arranged on quirk and bends 65 belows, comprises high temperature coke quencher 71, low temperature coke quencher 72, quenching bridge bow 73, quenching exhaust gas fan 75; High temperature coke quencher 71 is arranged on the below of quirk bow 65, and the top of high temperature coke quencher 71 communicates with high temperature combustible exhaust gas passage 653; Quenching bridge bow 73 is arranged between high temperature coke quencher 71 and the low temperature coke quencher 72, and quenching bridge bow 73 comprises bridge bow 731, wind assembling set 74, the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc.; Article 6, the bridge bow is divided into spoke shape layout with high temperature coke quencher 71 with 72 centers of low temperature coke quencher at an angle in the middle of the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc.; Bridge bends 731 middle parts and forms wind assembling set 74; Wind assembling set 74 be one straight through up big and down small inversed taper platform shape chamber; The top of wind assembling set 74 is provided with semisphere blast cap 78, and the lower openings 79 of wind assembling set 74 is towards low temperature coke quencher 72; The dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is arranged in the bridge bow 731, and dried pipe 77 1 ends that relieve dizziness, high fever, infantile convulsions, epilepsy, etc. lead to wind assembling set 74, and the other end leads to the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., and the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. links through blast pipe 761 and quenching exhaust gas fan 75; Bottom opening 721 places of low temperature coke quencher 72 are provided with the valve 70 that discharges of the coke.
Shown in figure 12, on the exterior wall 91 of body of heater, be provided with the quenching temperature monitoring hole 711 of leading to high temperature coke quencher 71, quenching temperature monitoring hole is provided with quenching thermometer 712 in the hole.
Shown in figure 14; Quenching thermometer 712, quenching exhaust gas fan 75 and the valve 70 that discharges of the coke are electrically connected with industry control center 90; 90 pairs of quenching exhaust gas fans in industry control center 75 are controlled with the valve 70 that discharges of the coke automatically, monitor through 712 pairs of quenching temperature of quenching thermometer.Quenching thermometer 712, quenching exhaust gas fan 75 and the valve 70 that discharges of the coke are electrically connected with industry control center 90 through the dried Setup Controller 907 that puts out, and certainly from electric control theory, the dried Setup Controller 907 that puts out does not constitute the restriction to this routine protection domain in this example.
The dried method of utilizing low-temperature burning waste gas to carry out dry coke quenching of putting out device 7 of this example is:.
(1) waste gas after the gas-fired in the 3rd combustion heater 68 of first burning heater 62, first burning heater 60 and the internal combustion heating unit 67 of outer combustion gas heating unit 64, the 4th combustion heater 69 is introduced quenching exhaust gas fan 75, because the waste gas after the gas-fired becomes the relatively low low temperature waste gas of temperature respectively naturally after the heat storage heat absorption;
(2) utilize quenching exhaust gas fan 75 that low temperature waste gas is blasted in the wind assembling set Room 74 through blast pipe 761, the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively, low temperature waste gas converges in wind assembling set Room 74, because wind assembling set 74 adopts particular structure; The blast cap 78 at top is semisphere, and the middle part chamber is inversed taper platform shape structure, thus low temperature waste gas can be from lower openings 79 blowout and going out; Be blown in the low temperature coke quencher 72; Upwards seal in high temperature coke quencher 71 again, 71 neutralizations of high temperature coke quencher are lowered the temperature from the coke that high temperature coke quencher 71 falls to low temperature coke quencher 72, this example adopts air-cooled form STRENGTH ON COKE to lower the temperature; So be referred to as dried putting out
(3) in addition, the dried device 7 that puts out of this example also can produce a certain amount of high-temperature combustible gas body dried putting out in the process, because, contain the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, produce some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself; These inflammable gass upwards get into the high temperature combustible exhaust gas passage 653 at ringwall 652 middle parts, fiery bow center, thereby the major and minor quirk 636,637 of the internal combustion heating unit 67 of coal supply pyrolysis oven provides source of the gas.
The low temperature waste gas of being lifted in this example is meant the outer combustion gas heating unit of the purified gas process coal cracking stove behind the raw gas reclaiming clean that produces in the coal cracking process and the waste gas that the burning of the combustion heater in internal combustion heating unit back produces; Become cryogenic gas behind the heat storage absorbing and cooling temperature of this waste gas in the accumulation of heat chamber; Trunk puts out device and is also advantageous in that utilizing the incombustibility of combustion exhaust own to replace having now uses inert nitrogen to carry out dried putting out; Equipment is simple, and is with low cost, remarkable in economical benefits.This example is compared with the traditional wet quenching, more can a large amount of water-gas not take place because big water gaging runs into high temperature coke and to airborne release, atmospheric pollution is little, and water saving can make full use of the raw gas that produces in the coal cracking process again simultaneously.
The 5th joint Continuous coking device
Comprehensively above-mentioned, a big advantage of this coal cracking stove is the ability Continuous coking, replaces traditional coking at intermittence or native nest coking, compares traditional coal-coking process, has incomparable advantage.
The comprehensive cyclic utilization of the 5th part, coal cracking gas
Chapter 1, the reclaiming clean utilization of raw gas (derivation, condensation, change product)
First segment raw gas take-up stand
The raw gas that produces in the coal cracking process contains a lot of useful compositions, like H 2S, HCH or the like sour gas, NH 3Organism such as alkaline gas, tar class, benzene class, naphthalene class, washing oil class need be derived so that utilize raw gas.
Like Figure 26, raw gas take-up stand 8 comprises raw gas concentration chamber 81, interior derivation passage 82, derives passage 83 outward, derives main channel 84, derives circuit 85; It is integrally formed that raw gas concentration chamber 81 is arranged on the top and the coking chamber 61 of coking chamber 61; Like Figure 17, shown in Figure 26, interior derivation passage 82 is provided with in the quirk partition wall 635, and coking chamber 61 was led at ringwall 612 middle parts in interior derivation feeder connection 821 passed, the raw gas concentration chamber 81 that ringwall 612 led to the coking chamber top in interior derivation channel outlet 822 was passed; Like Figure 17, Figure 26, shown in Figure 11; The outer passage 83 of deriving is provided with in the exterior wall of body of heater 91; Derive feeder connection 831 down outward, go up the outer feeder connection 834 of deriving and pass outer ring wall 613 middle parts and lead to coking chamber 61, derive channel outlet 832 outward and pass the raw gas concentration chamber 81 that outer ring wall 613 leads to the coking chamber top.
Shown in figure 26; Deriving main channel 84 is arranged in the exterior wall of body of heater 91 of coal cracking stove; Derive main channel inlet 841 and communicate with raw gas concentration chamber 81 and extend up to the exterior wall top that body of heater 91 is set again and derive in the circuit 85, derivation circuit 85 is provided with a raw gas export mouth 851.
Like Figure 26, Figure 17, shown in Figure 11; In this example because coking chamber 61 annular chamber; So also corresponding annular chamber of raw gas concentration chamber 81; Article 6, derive passage 82 in and be separately positioned in the 6 road quirk partition walls 635, ringwall 612 leads to the outer passages 83 of deriving of 61,6 of coking chambers and is separately positioned on to pass with outer quirk partition wall 625 and outer ring wall 613 in the middle of body of heater 91 exterior walls and leads to coking chamber 61 in passing; Wherein, Because the circumference of coking chamber 61, thus on the interior ringwall 612 of coking chamber 61, outer ring wall 613, be respectively arranged with derive in a plurality of feeder connection 821 and outer down derive feeder connection 831, on the outer feeder connection 834 of deriving, again because of the height height of coking chamber 61; In derive feeder connection 821 and derive feeder connection 831 outward down, go up outer feeder connection 834 setting of staggering up and down of deriving; Be higher than outer down derivation feeder connection 831 like Figure 26, the interior feeder connection 821 of deriving shown in Figure 11, but be lower than upward outer feeder connection 834 places of deriving, this example adopts this structure better to derive section raw gas that produce of difference in the coking chamber 91; Also be provided with the big raw gas main channel 84 of 4 sectional areas around raw gas concentration chamber 81 in addition and lead to derivation circuit 85, the purpose that is provided with like this can conveniently derive a large amount of raw gas in the raw gas concentration chamber 81.
Shown in figure 26, on the exterior wall of body of heater 91, be provided with the raw gas temperature monitoring hole 811 of leading to raw gas concentration chamber 81, place raw gas thermometer 812 in the raw gas temperature monitoring hole 811.
Shown in figure 24, raw gas thermometer 812 is electrically connected with industry control center 90, and industry control center 90 is through temperature in the raw gas thermometer 812 monitoring raw gas concentration chambers 81.
The raw gas that will be in the coking chamber 61 different sections of these routine characteristics produce respectively from interior derivation feeder connection 821 with down outer derive feeder connection 831, on outer derive in feeder connection 834 entering derivation passage 82 and outside derive passage and go out to compile in the raw gas concentration chamber 81 83 again; Certainly a large amount of raw gas in the coking chamber 61 are directly to rise up in the raw gas concentration chamber 81; Raw gas a large amount of in the raw gas concentration chamber 81 get into derivation circuit 85 through deriving main channel 84, discharge from raw gas export mouth 851 at last.
The second joint raw gas condensing works
Higher from raw gas export mouth discharge raw gas temperature, changing antenatal the conveying for the ease of the high temperature raw gas, need use raw gas condensation dress the high temperature raw gas is cooled off.
Shown in figure 26, higher from raw gas export mouth 851 discharge raw gas temperature,, need use 86 pairs of high temperature raw gas of raw gas condensing works and cool off changing antenatal the conveying for the ease of the high temperature raw gas.
Shown in figure 27, raw gas condensing works 86 comprises, condensation housing 861, regulating wheel 862, sealing cover 860, threaded adjusting bar 863, water seal valve gap 864, water seal valve seat 865, effuser 867, ammoniacal liquor shower nozzle 868; Condensation housing 861 is long barrel shape, and its side wall upper part offers raw gas admission port 869, and raw gas admission port 869 is connected through the raw gas export mouth 851 of pipeline with the derivation circuit 85 of raw gas take-up stand; Ammoniacal liquor shower nozzle 868 is arranged on the top of condensation housing 861; Threaded adjusting bar 863 1 ends stretch out and regulating wheel 862 thread connection from the top through hole 8611 of condensation housing 861; Sealing cover 860 is nested with and is fixed on the condensation housing 861 on the threaded adjusting bar 863; Be used for shutoff top through hole 8611, through hole 8611 releases from the top to prevent raw gas; Threaded adjusting bar 863 the other ends and water seal valve gap 864 are connected to a fixed; Water seal valve seat 865 is arranged in the condensation housing 861 middle and lower parts with two ones up and down of condensation housings 861 minutes; The water seal valve seat 865 middle parts one section barrel-shaped opening bottleneck 8651 that raises up, water seal valve gap 864 tips upside down on the opening bottleneck 8651; Effuser 867 is arranged on condensation housing 861 bottoms.
In addition, regulating wheel 862 can manual adjustment wheel, can also be the automatic regulating wheel that has stepper-motor, and 90 pairs of regulating wheels in industry control shown in figure 24 center 862 rotate to be controlled automatically.
These routine characteristics are: when common 600 ℃~650 ℃ raw gas enters the condensation housing 861 through raw gas admission port 869 from 851 discharges of raw gas export mouth; Run into raw gas that the ammoniacal liquor of ammoniacal liquor shower nozzle 868 ejection is able to lower the temperature mixed solution together with coal tar and ammoniacal liquor; Get into condensation housing 861 bottoms from flowing through between water seal valve gap 864 and the barrel-shaped opening bottleneck 8651; Carry through effuser 867 at last and carry out follow-up purification recovery; This example moves up and down through the rotation drive threaded adjusting bar 863 of regulating wheel 862; Thereby the degree of depth that drive water seal valve gap 864 is buckled on the opening bottleneck 8651 plays the raw gas pressure of controlling raw gas concentration chamber 81, and booster action is played in the coal cracking process control of coking chamber 61.
Above first and second joint of comprehensive this chapter is said, and a kind of raw gas of coal cracking stove is derived the condensation autocontrol method, and present method relates generally to and comprises raw gas take-up stand 8, raw gas condensing works 86, industry control center 90, and the step that present method realizes is:
(1), through raw gas take-up stand 8 raw gas that coal cracking in the coking chamber 61 produces is derived;
(2), the raw gas of deriving is fed raw gas condensing works 8 and carry out the mixed solution of ammoniacal liquor sprinkling cooling formation raw gas together with coal tar and ammoniacal liquor;
(3), regulate the regulating wheels of raw gas condensing workss automatically, thereby regulate raw gas, play automatic control the coal cracking process together with the circulation realization of the mixed solution of coal tar and ammoniacal liquor pressure-controlling to the raw gas in the coking chamber 60 through industry control center 90.
Certainly; Industry control center 90 also can be derived condensing works unit 908 through raw gas and is electrically connected with regulating wheel, raw gas thermometer 812; But from electric control theory, dried raw gas is derived the restriction that condensing works unit 908 does not constitute this routine protection domain in this example.
The reclaiming clean of the 3rd joint raw gas
Raw gas after ammoniacal liquor sprays is transported to gas-liquid separation device together with the mixed solution of coal tar and ammoniacal liquor through effuser and carries out gas-liquid separation; Contain multiple useful organic component such as carbolic oil, naphtalene oil, washing oil, carbolineum etc. in the mixed solution after the gas-liquid separation and be used for other auxiliary product of industry refinement; Coal gas after the gas-liquid separation is after the air cooling cooling; After the dry back receiving apparatus purifies recovery, become purified gas, purified gas can store and be used for burning.
Shown in figure 29; Raw gas reclaiming clean device 4 main air coolers 43, activated coke dry method withdrawer 45, activated coke bucket elevator 46, activated coke revivifier 47, cut tower 48, oil gas air cooler 49, wherein air cooler 43, activated coke dry method withdrawer 45, activated coke bucket elevator 46, cut tower 48, oil gas air cooler 49 are common apparatus in the gas sweetening industry.
Shown in figure 31; Activated coke revivifier 47 comprises revivifier housing 471, hot waste gas evaporation pipe network 472, unsaturated activated coke recovery bin 476; Revivifier housing 471 is a cavity container, and revivifier housing 471 tops are provided with saturated active coke and get into gate valve 475, and the bottom is provided with unsaturated activated coke discharging gate valve 474; Unsaturated activated coke discharging gate valve 474 belows are provided with unsaturated activated coke recovery bin 476, also are provided with evaporation exhaust of oil pipe 473 on the revivifier housing 471; 472 one-tenth independent loops of waste gas evaporation pipe network are arranged in revivifier housing 471 chambeies; The bottom of waste gas evaporation pipe network 472 is provided with hot waste gas and gets into pipe 477; The top is provided with hot waste gas delivery pipe 479; In order to increase the flow velocity of hot waste gas at waste gas evaporation pipe network 472, be provided with waste gas circulation pipeline 478 at waste gas evaporation pipe network 472 middle parts, waste gas circulation pipeline 478 stretch out revivifier housing 471 outer and hot waste gas blower fan (figure does not look out) link.
The 4th joint raw gas is derived condensation and reclaiming clean and burning
Introduce the purified gas that raw gas is derived behind condensation and the reclaiming clean through first, second and third joint more than this chapter and be used for right burning; The coal cracking that is mainly in the coking chamber of coal cracking stove provides the source of holding; So first, second and third joint introduction of comprehensive the 5th part chapter 1 is derived condensation and reclaiming clean device and method with raw gas, and the content of going into stove coal cracking charing heating of chapter 4 first segment introduction draws a kind of coal cracking stove raw gas derivation condensation and reclaiming clean and combustion unit and method.
Shown in figure 29; A kind of coal cracking stove raw gas is derived condensation and reclaiming clean and combustion unit; Comprise raw gas take-up stand 8, raw gas condensing works 86, raw gas reclaiming clean device 4, the combustion heater of outer combustion gas heating unit 64 and inner heating device 67; Described raw gas take-up stand 8, raw gas condensing works 86, raw gas reclaiming clean device 4 concrete structures see that first, second and third joint of the 5th part chapter 1 introduces; Stove coal cracking charing heating introduction is gone in specifically seeing with the chapter 4 first segment of described outer combustion gas heating unit 64, repeats no more here.
Like Figure 29, shown in 17, need to prove the annexation between them here, the raw gas export mouth 851 of the derivation circuit 85 of described raw gas take-up stand 8; The raw gas admission port 869 of described raw gas condensing works 86 is connected through the raw gas export mouth 851 of pipeline with the derivation circuit 85 of raw gas take-up stand 8; Described raw gas export mouth 851 communicates with the second air cooling gas conveying tube 415 of activated coke dry method withdrawer 45 through the air cooler 43 of reclaiming clean device 4; The gas fan 665 of the gas reversing system 66 of described outer combustion gas heating unit 64 is connected through the purified gas output tube 416 of pipeline with the activated coke dry method withdrawer 45 of raw gas reclaiming clean device 4; Raw gas becomes the combustion heater burning heating that purified gas is used for outer combustion gas heating unit 64 and internal combustion feeder apparatus 67 after purifying recovery through activated coke dry method withdrawer 45, heat and temperature is provided for the coal cracking in the coking chamber 61.
Shown in figure 24; Electric connecting relation between them is that industry control center 90 is electrically connected with gas temperature table 812, regulating wheel 862, the rotation reversing motor 663 of gas reversing system unit 906, air blower 664, gas fan 665, exhaust gas fan 666.
Electrical principle between them is; Industry control center 90 is through temperature in the raw gas thermometer 812 monitoring raw gas concentration chambers 81; Thereby the logical pressure that regulating wheel 862 is rotated the raw gas in the derived quantity adjustment coking chamber that carries out the automatic control and adjustment raw gas; Through the burning of rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 regulating and controlling raw gas, play Comprehensive Control again to the coal cracking process.
The step that present method realizes is:
(1), with the raw gas of coal cracking in the coking chamber 61 through raw gas take-up stand 8 respectively from interior derivation feeder connection 821 and derive feeder connection 831 outward down, go up outer derive feeder connection 834 get into interior derivation passages 82 and outside derive passage and go out to compile in the raw gas concentration chamber 81 83 again; A large amount of raw gas get into and derive circuits 85 through deriving main channel 84 in the raw gas concentration chamber 81, enter the raw gas condensing works 86 from the raw gas admission port 869 of raw gas export mouth 851 and raw gas condensing works 86 at last;
(2), carry out ammoniacal liquor through raw gas condensing works 86 and spray the mixed solution of cooling formation raw gas together with coal tar and ammoniacal liquor; Raw gas gets in the raw gas reclaiming clean device 4 together with the mixed solution of coal tar and ammoniacal liquor;
(3), raw gas is together with coal tar and the gas-liquid separation of ammonia water mixture process; Raw gas upwards leads to air cooler 43 through one road heating gas transfer lime of raw gas reclaiming clean device 4 and cools off;, the coal tar ammonia water mixture flows to the tar ammonia settling bath downwards through one road mixed solution pipe of other raw gas reclaiming clean device and carries out precipitate and separate;
(5), the cooling raw gas enters into activated coke dry method withdrawer 45 through the second air cooling gas conveying tube 415 of raw gas reclaiming clean device 4 and carries out the activated coke absorbing, recovering and purifying, be transported to through purified gas output tube 416 through the purified gas behind the absorbing, recovering and purifying in the gas fan 665 of gas reversing system 66 of outer combustion gas heating unit 64;
(6), the rotation reversing motor of gas reversing system 66 663 drives and goes up dish 661 and on lower wall 662, rotate, air is responsible for 667 and first air and is in charge of 6671 and connects, the air person in charge 667 and second air is in charge of 6673 and is in dissengaged positions; Simultaneously, coal gas is responsible for 668 and first gas manifold 6681 and also is connected, and coal gas is responsible for 668 and second gas manifold, 6683 dissengaged positions; Meanwhile, combustion exhaust is responsible for 669 and is in charge of 6691 with first combustion exhaust and also cuts off mutually, and the corresponding combustion exhaust person in charge 669 and second combustion exhaust is in charge of 6693 and is in the state of being connected;
(7), air blower 664 with air blast that air is responsible for 667, air successively through air pipe connecting 6672, first air be in charge of 6671, the first air bustle pipe 6674, the first air admission arm 627 enters into the first accumulation of heat chamber 626, the heat that utilizes first heat storage 623 to discharge heats the back to air and gets in first combustion chamber 621; Simultaneously; Gas fan 665 blasts the coal gas person in charge 668 with raw gas through obtaining purified gas behind the reclaiming clean; Coal gas gets into arm 622 through coal gas pipe connecting 6682, first gas manifold 6681, the first coal gas bustle pipe 6684, first coal gas successively and gets in first combustion chamber 621 and burn; Meanwhile; Because the combustion exhaust person in charge 669 is in charge of 6691 with first combustion exhaust and is in dissengaged positions mutually; And corresponding combustion exhaust is responsible for 669 and second combustion exhaust and is in charge of 6693 and is in the state of being connected; So the waste gas in first combustion chamber 621 after the gas-fired can only enter into second combustion chamber 601 through the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again through second heat storage 603 in the second accumulation of heat chamber 606 carry out behind the absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608, the second combustion exhaust bustle pipe 6695, second combustion exhaust be in charge of 6693, combustion exhaust is responsible for 669 and discharges through exhaust gas fan 666;
(8), warp burning after a while; Dish 661 backward rotation on lower wall 662 is gone up in rotation reversing motor 663 drives of gas reversing system 66, and air is responsible for 667 and first air and is in charge of 6671 cut-outs, and the air person in charge 667 and second air is in charge of 6673 and is in on-state; Simultaneously; The coal gas person in charge 668 also cuts off with first gas manifold 6681 mutually, and coal gas is responsible for 668 and second gas manifold, 6683 on-states, meanwhile; Combustion exhaust is responsible for 669 and first combustion exhaust and is in charge of 6691 and also is connected, and the corresponding combustion exhaust person in charge 669 and second combustion exhaust are in charge of 6693 also dissengaged positions mutually;
(9), air blower 664 with air blast that air is responsible for 667, air successively through air pipe connecting 6672, second air be in charge of 6673, the second air bustle pipe 6675, the second air admission arm 607 enters into the second accumulation of heat chamber 606, the heat that utilizes second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats the back to air and gets in second combustion chamber 601; Simultaneously; Gas fan 665 blasts the coal gas person in charge 668 with raw gas through obtaining purified gas behind the reclaiming clean; Coal gas gets into arm 602 through coal gas pipe connecting 6682, second gas manifold 6683, the second coal gas bustle pipe 6685, second coal gas successively and gets in second combustion chamber 601 and burn; Meanwhile; Because the combustion exhaust person in charge 669 and first combustion exhaust is in charge of 6691 and is connected; And corresponding combustion exhaust is responsible for 669 and is in charge of 6693 with second combustion exhaust and is in dissengaged positions mutually, thus in second combustion chamber 601 waste gas after the gas-fired can only combustion chamber through hole 6251 entering first combustion chamber 621 through outer quirk partition wall 625 tops in, again through the first accumulation of heat chamber 626; In first heat storage, 603 absorbing and cooling temperatures after, at last from the first combustion exhaust exhaust outlet 628, the first combustion exhaust bustle pipe 6694, first combustion exhaust be in charge of 6691, combustion exhaust is responsible for 669 and discharges through exhaust gas fan 666;
(10), in like manner, the 3rd combustion heater 68 of internal combustion heating unit 67 is identical with outer heating unit 64 heating with 69 burnings of the 4th combustion heater
(11), evaporating regenerated through the activated coke revivifier 47 of raw gas reclaiming clean device 4 contains compositions such as light oil, crude benzol, mixed triolein, carbolineum and gets into the cut tower through evaporation exhaust of oil pipe and carry out cut.
Chapter 2, the recycle behind the raw gas reclaiming clean (burning, driedly put out, burnt upgrading, burn, go into the preheating of stove coal once more, go into the stove coal dewatering, the tonifying Qi air heating)
The first segment raw gas purifies the purified gas burning after reclaiming
Raw gas is through after purifying recovery; The part purified gas is transported to above combustion heater and the combustion heater of introducing in the internal combustion heating unit of going in the outer combustion gas heating unit described in the stove coal cracking charing part of this example and burns, and to coal cracking thermal source is provided.
Dried the putting out of the second joint purified gas waste gas after burning
Purified gas burning cmpletely in the combustion heater in the gas-operated thermal bath facility and the combustion heater in the internal combustion heating unit outside; Utilizing not cmpletely, combustion exhaust carries out the dried cooling of putting out to high temperature coke; Generation water-gas can react when the moisture content in the combustion exhaust does not contact with high temperature coke cmpletely; Take away simultaneously remaining volatile combustible gases behind the high temperature coke upgrading again; The final high-temp waste gas that contains the inflammable gas composition that forms is specifically seen the introduction of above dry coke quenching chapters and sections, repeats no more here.
Shown in figure 25; The content of comprehensive this chapter first segment, second joint and the content of the 4th first, second, third and fourth joint of part draw dried the putting out of a kind of combustion exhaust and produce flammable high-temp waste gas device and method; This device mainly comprises outer combustion gas heating unit 64, the dried device 7 that puts out, and also comprises the 3rd combustion heater 68, the 4th combustion heater 69 of internal combustion heating unit 67.
The concrete structure of described outer combustion gas heating unit 64 is seen the introduction in above the 4th part first segment; Described dried device 7 concrete structures that put out are seen the introduction in above the 4th part the 4th joint; The concrete structure of described the 3rd combustion heater 68 that comprises internal combustion heating unit 67, the 4th combustion heater 69 is seen with the introduction in the 4th part first segment, repeats no more here.
Here only further specify to the annexation between them; The exhaust gas fan 666 of the gas reversing system 66 of outer combustion gas heating unit 64 is connected with the dried quenching exhaust gas fan 75 that puts out device 7 through pipeline; Make the hot waste gas after the purified gas burning in the 4th combustion chamber 691 of the 3rd combustion chamber 681, the 4th combustion heater 69 of the 3rd combustion heater 68 of second combustion chamber 601 and internal combustion heating unit 67 of first combustion chamber 621, second combustion heater 60 of first combustion heater 62 of outer combustion gas heating unit 64 behind the 4th heat storage 693 absorbing and cooling temperatures of the 3rd heat storage 683 of second heat storage 603 of first heat storage 623 of its first corresponding respectively combustion heater 62, second combustion heater 60, the 3rd combustion heater 68, the 4th combustion heater 69, become low temperature waste gas, the exhaust gas fan 666 of described low temperature waste gas through the gas reversing system 66 of outer heating unit 64 and the quenching exhaust gas fan 75 that puts out device 7 are gone into dried put out in the device 7 and are put out to dried that the coke after the upgrading completion carries out wind cooling temperature lowering (being to be referred to as dried putting out in the industry) in the device 7.
This method performing step of this example is;
(1), air, purified gas burning are sent in first combustion chamber 620 of first combustion heater 62 of gas reversing system 66 outside gas-operated thermal bath facilities 64; Air is become the gas-fired in combustion-supporting first combustion chamber 62 of warm air by the heat that first heat storage 623 discharges; Hot waste gas after sucking-off is burnt from second combustion chamber 601 of second combustion heater 60 simultaneously, hot waste gas becomes exhaust gas fan 666 discharges of the relatively low low temperature waste gas of temperature through gas reversing system 66 through second heat storage, 603 absorbing and cooling temperatures of second combustion heater 60;
(2), in like manner; Air, purified gas burning are sent in second combustion chamber 601 of second combustion heater 60 of gas reversing system 66 outside gas-operated thermal bath facilities 64, and air is become the gas-fired in combustion-supporting second combustion chamber 601 of warm air by the heat that second accumulation of heat, 603 bodies discharge; Hot waste gas after sucking-off is burnt from first combustion chamber 621 of first combustion heater 62 simultaneously, hot waste gas becomes exhaust gas fan 666 discharges of the relatively low low temperature waste gas of temperature through gas reversing system 66 through first heat storage, 623 absorbing and cooling temperatures of first combustion heater 62;
(3), (1), (2) step alternate cycles is carried out;
(4) in like manner the burning of the 3rd combustion heater 68 of internal combustion heating unit 67 and the 4th combustion heater 69 and above (1), (2), (3) identical;
(5) purified gas waste gas after burning in the 3rd combustion heater 68 of first burning heater 62, first burning heater 60 and the internal combustion heating unit 67 of outer combustion gas heating unit 64, the 4th combustion heater 69 is introduced quenching exhaust gas fans 75 through exhaust gas fan 666, because the waste gas after the gas-fired becomes the relatively low low temperature waste gas of temperature respectively naturally after corresponding heat storage absorbs heat;
(6) utilize quenching exhaust gas fan 75 that low temperature waste gas is blasted in the wind assembling set Room 74 through blast pipe 761, the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively, low temperature waste gas converges in wind assembling set Room 74, because wind assembling set 74 adopts particular structure; The blast cap 78 at top is semisphere; The middle part chamber is inversed taper platform shape structure, thus low temperature waste gas can be from lower openings 79 blowout and going out, be blown in the low temperature coke quencher 72; Upwards seal in high temperature coke quencher 71 again; 71 neutralizations of high temperature coke quencher are lowered the temperature from the coke that high temperature coke quencher 71 falls to low temperature coke quencher 72, and this example adopts air-cooled form STRENGTH ON COKE to lower the temperature, so be referred to as dried putting out;
(7) in addition, the dried device 7 that puts out of this example also can produce a certain amount of high-temperature combustible gas body dried putting out in the process, because, contain the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, produce some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself; These inflammable gass upwards get into the high temperature combustible exhaust gas passage 653 at ringwall 652 middle parts, fiery bow center, thereby the major and minor quirk 636,637 of the internal combustion heating unit 67 of coal supply pyrolysis oven provides source of the gas.
In addition; Shown in figure 24; Also comprise industry control center 90; Industry control center 90 and burning room temperature table 6203, rotation reversing motor 663, air blower 664, gas fan 666, exhaust gas fan 666, quenching thermometer 712, quenching exhaust gas fan 75 and the discharging of the coke is electrically connected between the valve 70, realizes purified gas burning and dried automatic control of putting out.
The burnt upgrading of high temperature combustible exhaust gas after dried the putting out of the 3rd joint
High temperature combustible exhaust gas temperature after dried the putting out can reach 1000 ℃~1100 ℃, and burnt upgrading just in time need be incubated upgrading at this temperature section, specifically how to be incubated upgrading, specifically sees the introduction of above dry coke quenching chapters and sections, repeats no more here.
Shown in figure 25, comprehensive above-mentioned first, second, third and fourth joint of the 4th part and the 5th partly content of chapter 2 second joint draws a kind of dried waste gas generation and burnt modifying apparatus and method put out, and comprises dried device 7, the burnt modifying apparatus 610 of putting out; The described dried concrete structure that puts out device 7 is seen the 4th part the 4th joint, and described burnt modifying apparatus 610 concrete structures see that the 4th partly second saves, and repeat no more here.
Here only be directed against they between structural relation describe, the said dried device 7 that puts out is arranged on quirk and bends 65 belows, described burnt modifying apparatus 610 is arranged at and is positioned in the body of heater on the quirk bow 65; The top of dried high temperature coke quencher 71 of putting out device 7 communicates with the high temperature combustible exhaust gas admission passage 6383 of burnt modifying apparatus 610 with high temperature combustible exhaust gas passage 653 through the quirk bow, carries out upgrading thereby make high temperature combustible exhaust gas in the high temperature coke quencher 71 enter into the focus coke of burnt upgrading chamber 6100 of modifying apparatus 610 of burnt high temperature combustible exhaust gas passage 653.
A kind of dried performing step that puts out waste gas generation and burnt method for modifying of this example is:
(1), the purified gas waste gas after burning introduces quenching exhaust gas fan 75, because the waste gas after the gas-fired becomes the relatively low low temperature waste gas of temperature respectively naturally after the heat storage heat absorption;
(2), utilize quenching exhaust gas fan 75 that low temperature waste gas is blasted in the wind assembling set Room 74 through the blast pipe 761 of dry coke quenching auxiliary 7, the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively, low temperature waste gas converges in wind assembling set Room 74, because wind assembling set 74 adopts particular structure; The blast cap 78 at top is semisphere; The middle part chamber is inversed taper platform shape structure, thus low temperature waste gas can be from lower openings 79 blowout and going out, be blown in the low temperature coke quencher 72; Upwards seal in high temperature coke quencher 71 again; 71 neutralizations of high temperature coke quencher are lowered the temperature from the coke that high temperature coke quencher 71 falls to low temperature coke quencher 72, and this example adopts air-cooled form STRENGTH ON COKE to lower the temperature, so be referred to as dried putting out;
(3), simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself;
(4), the high temperature combustible exhaust gas gets into the high temperature combustible exhaust gas admission passage of burnt modifying apparatus 610 from the top of high temperature coke quencher 71; Get into the secondary internal-quirk 6373 of main internal-quirk 636 bottoms, hypomere of the burnt modifying apparatus 610 of hole 639 entering from combustible exhaust gas again; Utilize the waste heat of high temperature combustible exhaust gas itself that insulation institute's heat requirement and temperature are provided; The high temperature combustible exhaust gas temperature that has particularly just got into just is fit to burnt upgrading between 1000 ℃~1100 ℃; Make coke in burnt upgrading chamber, retain certain hour, fully contact between the coke briquette grain, carry out heat passagely each other, reach evenly purpose of coke button size.
In addition; Shown in figure 24; Industry control center 90 and burnt upgrading thermometer 6012, quenching thermometer 712, quenching exhaust gas fan 75 and the valve 70 that discharges of the coke are electrically connected; 90 pairs of quenching exhaust gas fans in industry control center 75 are controlled with the valve 70 that discharges of the coke automatically, monitor through the burnt upgrading temperature signal of burnt upgrading thermometer 6012, monitor through 712 pairs of quenching temperature of quenching thermometer.Industry control center 90 also can be electrically connected through dried 907 pairs of quenching thermometers 712 of Setup Controller, quenching exhaust gas fan 75 and the valve 70 that discharges of the coke of putting out; Certainly from electric control theory, the dried Setup Controller 907 that puts out does not constitute the restriction to this routine protection domain in this example.
High temperature combustible exhaust gas tonifying Qi burning once more after dried the putting out of the 4th joint.
The high temperature combustible exhaust gas is externally acting in STRENGTH ON COKE upgrading process, and temperature can reduce, and can drop to 900 ℃~1000 ℃; And the coal cracking charing is temperature required higher in the coking chamber; On average all at 1400 ℃~1500 ℃, so mend into the heating of burning of air for the first time, owing to the coking chamber height is higher for the high temperature combustible exhaust gas; And combustiblecomponents exists a certain amount of in the high temperature combustible exhaust gas; So need increase at internal combustion heating unit middle part the 3rd combustion heater arranged, the 4th combustion heater to be to replenish the required heat of coal cracking, carries out mending second time air at last again on internal combustion heating unit top by the heating of fully burning again of high temperature combustible exhaust gas, both having reached to coal cracking provides outside thermal source does work; Can let the high temperature combustible exhaust gas fully burn again; Minimizing is to the pollution of atmospheric environment, specifically sees above narration of going in the stove coal cracking charing, repeats no more here.
The content of cumulated volume joint (the 5th part chapter 2 the 4th joint) and above the 4th first, second, third and fourth joint draws a kind of dry coke quenching waste gas and produces and burning heater, comprises the dried quenching waste gas heater 63 that puts out device 7, inner heating device 67; The described dried concrete structure that puts out device 7 is seen above the 4th one the 4th joint introduction, and the concrete structure of described quenching waste gas heater 63 is seen above the 4th first segment introduction, repeats no more here.
Here only describe to the structural relation between them, the said dried device 7 that puts out is arranged on quirk and bends 65 belows, the top of dried high temperature coke quencher 71 of putting out device 7 and the high temperature combustible exhaust gas passage 653 and high temperature combustible exhaust gas admission passage through the quirk bow.
This routine a kind of dry coke quenching waste gas produces and burning heating performing step is:
(1), the purified gas waste gas after burning introduces quenching exhaust gas fan 75, because the waste gas after the gas-fired becomes the relatively low low temperature waste gas of temperature respectively naturally after the heat storage heat absorption;
(2), utilize quenching exhaust gas fan 75 that low temperature waste gas is blasted in the wind assembling set Room 74 through the blast pipe 761 of dry coke quenching auxiliary 7, the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively, low temperature waste gas converges in wind assembling set Room 74, because wind assembling set 74 adopts particular structure; The blast cap 78 at top is semisphere; The middle part chamber is inversed taper platform shape structure, thus low temperature waste gas can be from lower openings 79 blowout and going out, be blown in the low temperature coke quencher 72; Upwards seal in high temperature coke quencher 71 again; 71 neutralizations of high temperature coke quencher are lowered the temperature from the coke that high temperature coke quencher 71 falls to low temperature coke quencher 72, and this example adopts air-cooled form STRENGTH ON COKE to lower the temperature, so be referred to as dried putting out;
(3), simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself;
(4), the high temperature combustible exhaust gas enters into the high temperature combustible exhaust gas admission passage 6383 of centre channel 638 bottoms from the top of high temperature coke quencher 71; Getting into hole 639 through combustible exhaust gas gets in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere; The high temperature combustible exhaust gas temperature that has just got into is higher generally all at 1000 ℃~1100 ℃; But along with waste gas externally acting heat radiation of rising in the secondary internal-quirk 6373 of main internal-quirk 636 and hypomere, temperature can reduce;
(5), at this moment go into air for the benefit in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere through a blowdown pipe 6321; Thereby make the high temperature combustible exhaust gas obtain airborne oxygen burning; The amount of the combustible gas in the high-temperature combustible gas body is certain after all, is not enough to the heat and the temperature that provide coking chamber 61 coal cracking required;
(6) so; When passing through quirk through the waste gas after the tonifying Qi burning, the high temperature combustible exhaust gas of the secondary internal-quirk 6373 of hypomere gangs up hole 6304 around in main internal-quirk 636; Mix rising in main quirk 636 with high-temperature combustible gas body in the main internal-quirk 636 and waste gas after burning; Along with mixed high-temperature combustible gas body and waste gas after burning can provide heat and externally acting for the coal cracking in the coking chamber 61 by ringwall 612 in through coking chamber in uphill process, temperature can reduce gradually;
(7) so need to get into short covering gas through secondary air compensating pipe 6322 once more in the middle and upper part of main internal-quirk 636; Make the further burning again of mixed high-temperature combustible gas body and waste gas after burning; This provides required heat and temperature not only for coking chamber 61 coal cracking; And the high-temperature combustible gas body is fully burnt, improve high-temperature combustible gas work by combustion efficient;
(8), in addition; Owing in the middle of the secondary internal-quirk 6375 of main internal-quirk 636 and epimere, have buffer zone 6381; Ringwall 634 tops in center are provided with the waste gas that connects buffer zone 6381 and main internal-quirk 636 and the secondary internal-quirk 6375 of epimere and get into hole 6301; Quirk partition wall 635 between the secondary internal-quirk 6375 of main internal-quirk 636 and epimere is provided with waste gas and gangs up hole 6303; Connect fully each other between the secondary internal-quirk 6375 of each bar master internal-quirk 636 and epimere; Make the waste gas after burning of tonifying Qi for the second time to mix fully mutually, belong to and reach samming between the secondary internal-quirk 6375 of main internal-quirk 636 and epimere and all press, isostatic heat and temperature are provided for the coal cracking on whole coking chamber 61 tops;
(9), enter the exhaust air chamber 391 on body of heater 91 tops at last through the hot waste gas exhaust channel 6306 at main internal-quirk 636 and the secondary internal-quirk of epimere 6375 tops through the secondary air compensating waste gas after burning.
Hot waste gas after the 5th joint tonifying Qi burning is gone into the preheating of stove coal
The quenching waste gas heater waste gas after burning of internal combustion heating unit is discharged in the exhaust air chamber, carries out preheating through the coal preheating unit to going into the stove coal again.
The 6th joint afterburning air heating
Being transported to tubular heat exchanger through the waste gas after the preheating of coal preheater heats getting into quenching waste gas heater air; Do not need extra thermal source to air heating; Need not increase additional cost; Both played the waste heat through the hot waste gas after the preheating of coal preheater had further been utilized, and can give again and mend warm air in the quenching waste gas heater, made that the high temperature combustible exhaust gas fully burns in the quenching waste gas heater.
Like Figure 28, shown in Figure 31; Described tubular heat exchanger 40; Comprise heat exchange housing 401, metal heat exchange pipe network 403, hot waste gas admission passage 407, heat exchange waste gas exhaust channel 404 forms waste gas heat radiation chamber 402 in the heat exchange housing 401; Hot waste gas admission passage 407 is separately positioned on the heat exchange housing 401 and with waste gas heat radiation chamber 402 with heat exchange waste gas exhaust channel 404 and communicates; Metal heat exchange pipe network 403 places waste gas heat radiation chamber 402, and metal heat exchange pipe network 403 comprises air admission pipe 409 and air vent pipe 408, and air admission pipe 409 stretches out heat exchange housing 401 outsides respectively with air vent pipe 408.
Like Figure 26, Figure 28, Figure 31, Figure 13, shown in Figure 17; Exhaust air chamber 391 is assembled circuit 395 through heating by the exhaust gases passage 392 and waste gas and is communicated; Waste gas is assembled the hot waste gas outlet 3951 of circuit 395 and is arrived hot waste gas admission passage 407 through pipe connection; Air admission pipe 409 links through the air airduct 6641 of the air blower 664 of pipeline and gas reversing system 66, and air vent pipe 408 is mended pipe 632 with air and linked, and heat exchange waste gas exhaust channel 404 is discharged main channel 405 with heat exchange waste gas and linked.
This routine afterburning air heating method principle is: the major and minor internal-quirk waste gas after burning of internal combustion heating unit gets into exhaust air chamber 391 from the bottom admission passage 3911 of exhaust air chamber 391 successively; Go into the preheating of stove coal through 392 pairs in heating by the exhaust gases passage and get into waste gas gathering circuit 395 afterwards; Assemble the waste gas primary outlet 451 of circuit 395 discharges from waste gas; The temperature of this moment is generally all about 1000 ℃; Enter into waste gas heat radiation chamber 402 through hot waste gas admission passage 407 again and carry out heat exchange with metal heat exchange pipe network 403; The waste heat that had both played hot waste gas further utilizes, and can heat the afterburning air again, promotes the high temperature combustible exhaust gas of the major and minor internal-quirk of internal combustion heating unit fully to burn.
The 7th joint is gone into the stove coal dewatering
The hot waste gas process is to after the afterburning air heating, and temperature decreases, and generally can drop to below 800 ℃, and for the higher relatively hot waste gas of such temperature, a part can be used for to going into the stove coal dewatering.
Comprehensive above second section, third part content, the 5th part the 6th joint and In this Section draw a kind of hot waste gas and go into the preheating of stove coal and dewatering unit and method.
Shown in figure 30, hot waste gas is gone into preheating of stove coal and dewatering unit, mainly comprises waste gas water trap 12, preheating unit 39, can also comprise tubular heat exchanger 40; The concrete structure of described waste gas water trap 12 is seen above second section introduction, and the concrete structure of described preheating unit 39 is seen above third part introduction, and the concrete structure of described tubular heat exchanger 40 is seen the 6th joint introduction of above the 5th part, repeats no more here.
Here only do explanation to the annexation between them; Shown in figure 30; The waste gas primary outlet 3951 of the waste gas gathering circuit 395 of preheating unit 39 gets into pipe 122 through pipeline with the hot waste gas master of waste gas water trap 12 and communicates; Make the major and minor internal-quirk waste gas after burning of internal combustion heating unit get into exhaust air chamber 391 from the bottom admission passage 3911 of exhaust air chamber 391 successively; Go into the preheating of stove coal through 392 pairs in heating by the exhaust gases passage and get into waste gas gathering circuit 395 afterwards, assemble the waste gas primary outlet 3951 of circuit 395 from waste gas and discharge, get in the pipe 122 entering waste gas water traps 12 through the hot waste gas master and dewater going into the stove coal.
Further; The waste gas primary outlet 3951 that the waste gas of preheating unit 39 is assembled circuit 395 and the hot waste gas admission passage of tubular heat exchanger 40 407 communicate through pipeline, and the heat exchange waste gas of tubular heat exchanger 40 is discharged main channel 405 and got into through pipeline and the hot waste gas master of waste gas water trap 12 and manage 122 and communicate.
This routine a kind of hot waste gas is gone into preheating of stove coal and dehydration method, and step is:
(1), the hot waste gas after the burning gets into from hot waste gas admission passage 3911; Getting into waste gas through heating by the exhaust gases passage 392 assembles in the circuit 395; Assemble waste gas primary outlet 3951 discharges of circuit 395 at last from waste gas; Hot waste gas after the burning can carry out thermal conduction to heating by the exhaust gases passage 392, internal layer body of wall 913, internal layer body of wall 912 in discharge process, preheating chamber 394 air are heated, and the stove coal of going into that reaches falling into preheater 393 carries out preheating; Can lower the temperature to the hot waste gas of from exhaust air chamber 391, discharging after burning again simultaneously
(2), the hot waste gas master of the hot waste gas after will lowering the temperature through waste gas water trap 12 gets into tracheae 122 and feeds in the inner waste gas admission passage 1251 of waste gas radiator element 125; Get into dehydration waste gas master through waste gas radiator element 125 inner dehydration waste gas exhaust channels 1252 again and discharge tracheae 123, discharge from chimney 16 afterwards through the water layer cleaning that induced draft fan 18 gets in the dust settling chamber 152 again;
(3), meanwhile; The stove coal of going into through bucket elevator 11 is accomplished proportioning is earlier sent in the dehydrator shell 121 top material bins 1241; Through pan feeding vibratory screening apparatus 1242, blanking channel 1243, blanking vibratory screening apparatus 1244; Waste gas radiator element 125 falls into coal bunker 14 at last, goes into the stove coal and is heated drying and dehydrating falling into coal bunker 14 processes through waste gas radiator element 125.
Further; A step between (1), (2), increasing; Earlier the hot waste gas waste gas admission passage 407 of hot waste gas through tubular heat exchanger 40 entered into waste gas heat radiation chamber 402 and carry out heat exchange with metal heat exchange pipe network 403; Hot waste gas master through waste gas water trap 12 gets in the tracheae 122 feeding waste gas radiator element 125 again, and air gets into from the air admission pipe of metal heat exchange pipe network simultaneously, and warm air is discharged from the air vent pipe again; The waste heat that had both played hot waste gas further utilizes, and can heat the afterburning air again.
The 8th joint saturated active coke regeneration heating
The hot waste gas process is to after the afterburning air heating, and temperature decreases, and generally can drop to below 800 ℃, and for the higher relatively hot waste gas of such temperature, another part can be used for to saturated active coke regeneration heating.
The reclaiming clean of comprehensive above third part content, the 5th part chapter 1 the 3rd joint raw gas, the 5th part chapter 2 the 6th joint afterburning air heating and In this Section draw a kind of hot waste gas and go into the preheating of stove coal and activated coke regenerating unit and method.
Shown in figure 31, hot waste gas is gone into preheating of stove coal and activated coke regenerating unit, mainly comprises preheating unit 39, and activated coke revivifier 47 also comprises tubular heat exchanger 40; The concrete structure of described preheating unit 39 sees that third part second saves the content introduction of stove coal preheating; The concrete structure of described activated coke revivifier 47 is seen the content introduction of the reclaiming clean of the 5th part chapter 1 the 3rd joint raw gas; The concrete structure of described tubular heat exchanger 40 is seen the content introduction of the 5th part chapter 2 the 6th joint afterburning air heating, repeats no more here.
Here only do explanation to the relation between them; Shown in figure 31, the waste gas primary outlet 395 of the waste gas gathering circuit 395 of the preheating unit 39 of preheating unit 39 communicates through the hot waste gas entering pipe 477 of the bottom of the hot waste gas evaporation pipe network 472 of pipeline and activated coke revivifier 47; Make the major and minor internal-quirk waste gas after burning of internal combustion heating unit get into exhaust air chamber 391 from the bottom admission passage 3911 of exhaust air chamber 391 successively; Go into the preheating of stove coal through 392 pairs in heating by the exhaust gases passage and get into waste gas gathering circuit 395 afterwards; Assemble the waste gas primary outlet 3951 of circuit 395 discharges from waste gas; Get into through hot waste gas in the hot waste gas evaporation pipe network 472 of pipe 477 entering activated coke revivifiers 47, it is unsaturated activated coke that the saturated active coke in the revivifier housing 471 is evaporated thermal regeneration.
Further; The waste gas primary outlet 3951 that the waste gas of described preheating unit 39 is assembled circuit 395 and the hot waste gas admission passage of tubular heat exchanger 40 407 communicate through pipeline, and the heat exchange waste gas of tubular heat exchanger 40 is discharged main channel 405 and managed 477 through pipeline with the hot waste gas entering of hot waste gas evaporation pipe network 472 bottoms of activated coke revivifier 47 and communicate.
This routine a kind of hot waste gas is gone into preheating of stove coal and reactive coke regeneration method, and step is:
(1), the hot waste gas after the burning gets into from hot waste gas admission passage 3911; Getting into waste gas through heating by the exhaust gases passage 392 assembles in the circuit 395; Assemble waste gas primary outlet 3951 discharges of circuit 395 at last from waste gas; Hot waste gas after the burning can carry out thermal conduction to heating by the exhaust gases passage 392, internal layer body of wall 913, internal layer body of wall 912 in discharge process; Preheating chamber 394 air are heated, and the stove coal of going into that reaches falling into preheater 393 carries out preheating, can lower the temperature to the hot waste gas of from exhaust air chamber 391, discharging after burning again simultaneously;
What (2), the hot waste gas of the hot waste gas after will lowering the temperature through activated coke revivifier 47 got into pipe 477 enters into waste gas evaporation pipe network 472; Carrying out heating evaporation through the saturated active coke in 472 pairs of revivifier housings of waste gas evaporation pipe network 471 is unsaturated activated coke, and the hot waste gas delivery pipe 479 through waste gas evaporation pipe network 472 discharges at last.
Further; A step between (1), (2), increasing; The hot waste gas waste gas admission passage 407 of hot waste gas through tubular heat exchanger 40 entered into waste gas heat radiation chamber 402 carry out heat exchange with metal heat exchange pipe network 403, air gets into from the air admission pipe of metal heat exchange pipe network simultaneously, and warm air is discharged from the air vent pipe again; The waste heat that had both played hot waste gas further utilizes, and can heat the afterburning air again.
The 6th part: coal cracking automatic control device
Comprehensively above-mentioned, the coal cracking automatic control device comprises that industry control center and above introduction connect thermometer and motor with the industry control center.
The 7th part: thermal cycling continuous and automatic coal cracking stove
Comprehensively above-mentioned, thermal cycling continuous and automatic coal cracking stove comprise above concrete introduction go into that the stove coal advances coal, preheating, coal, cooling, charing, burnt upgrading, driedly puts out, raw gas derivation etc.

Claims (8)

1. the comprehensive cyclic utilization method of a coal cracking gas; It is characterized in that: include stove coal dewatering device, preheating unit, coal cracking carbonizing apparatus and be arranged on the body of heater middle part, comprise that mainly coking chamber, outer combustion gas heating unit, internal combustion heating unit, quirk bow constitute; Burnt modifying apparatus, dried device, raw gas take-up stand, the activated coke revivifier of putting out also comprise tubular heat exchanger;
Performing step is:
(1), with raw gas derivation, condensation, reclaiming clean, burning;
(2), dried the putting out of combustion exhaust produces flammable high-temp waste gas;
(3), utilize the dried waste gas that puts out to produce and to carry out burnt upgrading by flammable high-temp waste gas;
(4), utilize the dried waste gas that puts out to produce flammable high-temp waste gas and carry out tonifying Qi burning;
(5), utilize the hot waste gas after tonifying Qi is burnt to go into the preheating of stove coal, dehydration;
(6), utilize the hot waste gas after tonifying Qi is burnt to go into the preheating of stove coal, activated coke regeneration.
2. the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 1; It is characterized in that: described (1) raw gas is derived sharp recovery of condensation and is changed purification and burning, and related equipment of this step comprises raw gas take-up stand, raw gas condensing works, raw gas reclaiming clean device, outer combustion gas heating unit; The step that this step realizes is:
(1), the raw gas of coal cracking in the coking chamber is derived through the raw gas take-up stand, enter the raw gas condensing works from the raw gas take-up stand again;
(2), carry out ammoniacal liquor through the raw gas condensing works and spray the mixed solution of cooling formation raw gas together with coal tar and ammoniacal liquor; Raw gas gets in the raw gas reclaiming clean device through the raw gas condensing works together with the mixed solution of coal tar and ammoniacal liquor again;
(3), raw gas is together with coal tar and the gas-liquid separation of ammonia water mixture process; Raw gas upwards leads to air cooler through one road heating gas transfer lime of raw gas reclaiming clean device and cools off, and the coal tar ammonia water mixture flows to the tar ammonia settling bath downwards through one road mixed solution pipe of other raw gas reclaiming clean device and carries out precipitate and separate;
(4), carry out the activated coke absorbing, recovering and purifying in the activated coke dry method withdrawer 45 of cooling raw gas through raw gas reclaiming clean device, be transported to through the purified gas behind the absorbing, recovering and purifying in the gas fan of gas reversing system of outer combustion gas heating unit;
(5), the gas reversing system is sent into air, purified gas burning to the combustion chamber of first combustion heater; Air is become the gas-fired in combustion-supporting first combustion chamber of warm air by the heat that first heat storage discharges; Hot waste gas after sucking-off is burnt from the combustion chamber of second combustion heater simultaneously, hot waste gas become the relatively low low temperature waste gas of temperature through the heat storage absorbing and cooling temperature in the regenerative heat exchanger of second combustion heater and discharge;
(6), in like manner, the gas reversing system is sent into air, purified gas burning to the combustion chamber of second combustion heater, and air is become the gas-fired in combustion-supporting second combustion chamber of warm air by the heat that second heat storage discharges; Hot waste gas after sucking-off is burnt from the combustion chamber of first combustion heater simultaneously, hot waste gas become the relatively low low temperature waste gas of temperature through the heat storage absorbing and cooling temperature in the regenerative heat exchanger of first combustion heater and discharge;
(7), (5), (6) step alternate cycles is carried out.
2, the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 1; It is characterized in that: dried the putting out of described (2) combustion exhaust produces flammable high-temp waste gas, and the equipment that this step relates generally to comprises outer combustion gas heating unit, dried the 3rd combustion heater, the 4th combustion heater that puts out device, internal combustion heating unit; Described outer combustion gas heating unit is positioned at coal cracking body of heater middle part and is centered around around the coking chamber exterior wall, comprises one group of above identical first combustion heater of structure, second combustion heater and gas reversing system; The described dried device that puts out is provided with and is positioned at coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below in the coal cracking furnace chamber, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; One group of above identical the 3rd burning heater, the 4th burning heater of structure of described internal combustion heating unit communicates with the gas reversing system; The exhaust gas fan of described gas reversing system is connected with the dried quenching exhaust gas fan that puts out device through pipeline, and this step performing step is:
(1), air, purified gas burning are sent in first combustion chamber of first combustion heater of the outside gas-operated thermal bath facility of gas reversing system; Air is become the gas-fired in combustion-supporting first combustion chamber of warm air by the heat that first heat storage discharges; Hot waste gas after sucking-off is burnt from second combustion chamber of second combustion heater simultaneously, hot waste gas becomes the exhaust gas fan discharge of the relatively low low temperature waste gas of temperature through the gas reversing system through the second heat storage absorbing and cooling temperature of second combustion heater;
(2), in like manner, air, purified gas burning are sent in second combustion chamber of second combustion heater of the outside gas-operated thermal bath facility of gas reversing system, and air is become the gas-fired in combustion-supporting second combustion chamber of warm air by the heat that second heat storage discharges; Hot waste gas after sucking-off is burnt from first combustion chamber of first combustion heater simultaneously, hot waste gas becomes the exhaust gas fan discharge of the relatively low low temperature waste gas of temperature through the gas reversing system through the first heat storage absorbing and cooling temperature of first combustion heater;
(3), (1), (2) step alternate cycles is carried out;
(4) in like manner the burning of the 3rd combustion heater of internal combustion heating unit and the 4th combustion heater and above (1), (2), (3) identical;
(5) pass through exhaust gas fan introducing quenching exhaust gas fan with becoming the relatively low low temperature waste gas of temperature naturally through corresponding heat storage heat absorption back respectively after the purified gas burning in the 3rd combustion heater of first burning heater, first burning heater and the internal combustion heating unit of outer combustion gas heating unit, the 4th combustion heater, thereby enter dried putting out in the device;
(6) utilize the quenching exhaust gas fan with low temperature waste gas successively through driedly put out the blast pipe of device, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. blasts in the wind assembling set chamber; Low temperature waste gas converges in the wind assembling set chamber; Blowout and going out from lower openings then; Be blown in the low temperature coke quencher, upwards seal in high temperature coke quencher again, the neutralization of high temperature coke quencher is lowered the temperature from the coke that high temperature coke quencher falls to low temperature coke quencher;
(7) simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself.
3. the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 1; It is characterized in that: described (3) the dried waste gas that puts out produces and burnt upgrading; The equipment that this step relates to mainly comprises dried device, the burnt modifying apparatus of putting out; The described dried device that puts out is arranged on quirk bow below, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; Described burnt modifying apparatus is arranged at and is positioned in the body of heater on the quirk bow; Burnt upgrading chamber, main internal-quirk bottom, the secondary internal-quirk of hypomere are formed at the bottom that comprises coking chamber; The center ring circummure becomes the bottom of the high temperature combustible exhaust gas admission passage of centre channel, and ringwall bottom, center is provided with the combustible exhaust gas entering hole that connects high temperature combustible exhaust gas admission passage and main internal-quirk, the secondary internal-quirk of hypomere; Described dried top of putting out the high temperature coke quencher of device communicates with the high temperature combustible exhaust gas admission passage of burnt modifying apparatus through the high temperature combustible exhaust gas passage that quirk bends, and present method performing step is:
(1), the low temperature waste gas behind the heat storage absorbing and cooling temperature after the purified gas burning is introduced the quenching exhaust gas fan;
(2), utilize the quenching exhaust gas fan that low temperature waste gas is blasted in the wind assembling set chamber through the blast pipe of dry coke quenching auxiliary, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively; Low temperature waste gas converges in the wind assembling set chamber; Blowout from lower openings and going out; Be blown in the low temperature coke quencher, upwards seal in high temperature coke quencher again, the neutralization of high temperature coke quencher is lowered the temperature from the coke that high temperature coke quencher falls to the low temperature quenching;
(3), simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself;
(4), the high temperature combustible exhaust gas gets into the high temperature combustible exhaust gas admission passage of burnt modifying apparatus from the top of high temperature coke quencher; Get into the secondary internal-quirk of main internal-quirk bottom, hypomere of burnt modifying apparatus from combustible exhaust gas entering hole again, utilize the waste heat of high temperature combustible exhaust gas itself insulation institute's heat requirement and temperature to be provided for the coke in the burnt upgrading chamber.
4. the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 1 is characterized in that: described (4) dry coke quenching waste gas produces and the burning heating, and related equipment of this step comprises dried device, the quenching waste gas heater of putting out; The described dried device that puts out is provided with and is positioned at coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below in the coal cracking furnace chamber, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; Described quenching waste gas heater is arranged in the coking chamber in the ringwall ring and is positioned at the top of quirk bow, mainly comprises internal-quirk, centre channel, and described internal-quirk comprises main internal-quirk arranged side by side more than a group, secondary internal-quirk; Described secondary internal-quirk is divided into the secondary internal-quirk of epimere, the secondary internal-quirk in stage casing, the secondary internal-quirk of hypomere; Secondary internal-quirk of described epimere and the secondary internal-quirk of hypomere communicate with main internal-quirk respectively; The secondary internal-quirk in described stage casing forms the independent gas combustion chamber of relative closure; The secondary internal-quirk in a last stage casing connects into relevant one group with the secondary internal-quirk in next bar stage casing of next-door neighbour, and described centre channel is become by the center ring circummure, a channel partition in the centre channel; Centre channel is separated into upper and lower two portions; Be that top forms buffer zone, the lower section forms high temperature combustible exhaust gas admission passage, ringwall bottom, center is provided with the combustible exhaust gas that connects high temperature combustible exhaust gas admission passage and main internal-quirk and the secondary internal-quirk of hypomere and gets into the hole, and ringwall top, center is provided with the waste gas that connects buffer zone and main internal-quirk and the secondary internal-quirk of epimere and gets into the hole; Described dried top of putting out the high temperature coke quencher of device communicates with the high temperature combustible exhaust gas admission passage of quenching waste gas heater with the high temperature combustible exhaust gas passage that bends through quirk, and this step performing step is:
(1), the low temperature waste gas behind the heat storage absorbing and cooling temperature after the purified gas burning is introduced the quenching exhaust gas fan;
(2), utilize the quenching exhaust gas fan that low temperature waste gas is blasted in the wind assembling set chamber through the blast pipe of dry coke quenching auxiliary, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. successively; Low temperature waste gas converges in the wind assembling set chamber; Blowout from lower openings and going out; Be blown in the low temperature coke quencher, upwards seal in high temperature coke quencher again, the neutralization of high temperature coke quencher is lowered the temperature from the coke that high temperature coke quencher falls to the low temperature quenching;
(3), simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dried put out in the process, and the high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a spot of moisture content runs into behind the burnt upgrading in one of which, the low temperature waste gas chemical reaction can take place, and produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the also residual a part of inflammable gas of the high temperature coke behind the burnt upgrading itself;
(4), the high temperature combustible exhaust gas that dry coke quenching is produced is introduced in main internal-quirk and the secondary internal-quirk of hypomere;
Go into air (5), at this moment for the benefit in the secondary internal-quirk of main internal-quirk and hypomere, thereby make the high temperature combustible exhaust gas obtain airborne oxygen burning;
(6), when the high temperature combustible exhaust gas of the secondary internal-quirk of hypomere through the waste gas after the tonifying Qi burning around in main internal-quirk, mix in main quirk with high-temperature combustible gas body in the main internal-quirk and waste gas after burning and to rise;
(7), the gas that covers once more in the middle and upper part of main internal-quirk, make the further burning again of mixed high-temperature combustible gas body and waste gas after burning;
(8), the secondary air compensating waste gas after burning mixes between each bar master internal-quirk and the secondary internal-quirk of epimere fully mutually;
(9), last secondary air compensating waste gas after burning is discharged from main internal-quirk and the secondary internal-quirk of epimere top.
5. the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 1, it is characterized in that: described (5) hot waste gas is gone into preheating of stove coal and dehydration, and this step, related equipment mainly comprised preheating unit and waste gas water trap, and step is:
(1), the hot waste gas after the burning gets into the exhaust air chamber from the hot waste gas admission passage of preheating unit; Getting into waste gas through the heating by the exhaust gases passage assembles in the circuit; Assemble the waste gas primary outlet discharge of circuit at last from waste gas; Hot waste gas after the burning can carry out thermal conduction to heating by the exhaust gases passage, internal layer body of wall, internal layer body of wall in discharge process; The preheating chamber air is heated, and the stove coal of going into that reaches falling into preheater carries out preheating, can lower the temperature to the hot waste gas of from exhaust air chamber, discharging after burning again simultaneously;
(2), the hot waste gas master of hot waste gas through the waste gas water trap got in the inner waste gas admission passage of tracheae feeding waste gas radiator element; Get into dehydration waste gas master through the inner dehydration waste gas exhaust channel of waste gas radiator element again and discharge tracheae, discharge from chimney afterwards through the water layer cleaning that induced draft fan gets in the dust settling chamber again;
(3), meanwhile; The stove coal of going into through bucket elevator is accomplished proportioning is sent in the material bin of dehydrator shell top; Through pan feeding vibratory screening apparatus, blanking channel, blanking vibratory screening apparatus; The waste gas radiator element falls into coal bunker at last, goes into the stove coal and is heated drying and dehydrating falling into the coal bunker process through the waste gas radiator element.
6. the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 5,
It is characterized in that: this step, related equipment also comprised tubular heat exchanger; A step between (1), (2), increasing; Earlier the hot waste gas waste gas admission passage of hot waste gas through tubular heat exchanger entered into waste gas heat radiation chamber and carry out heat exchange with metal heat exchange pipe network; Waste gas gets in the tracheae entering waste gas gas radiator element through the hot waste gas master of waste gas water trap again, and air gets into from the air admission pipe of metal heat exchange pipe network simultaneously, and warm air is discharged from the air vent pipe again; The waste heat that had both played hot waste gas further utilizes, and can heat the afterburning air again.
7. the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 1; It is characterized in that: described (6) hot waste gas is gone into preheating of stove coal and activated coke regeneration; The equipment that this step relates to mainly comprises preheating unit, activated coke revivifier, and the step that present method realizes is:
(1), the hot waste gas after the burning gets into from the hot waste gas admission passage of preheating unit; Getting into waste gas through the heating by the exhaust gases passage assembles in the circuit; Assemble the waste gas primary outlet discharge of circuit at last from waste gas, the hot waste gas after the burning can carry out thermal conduction to heating by the exhaust gases passage, internal layer body of wall, internal layer body of wall in discharge process, the preheating chamber air is heated; The stove coal of going into that reaches falling into preheater carries out preheating, can lower the temperature to the hot waste gas of from exhaust air chamber, discharging after burning again simultaneously;
That (2), will lower the temperature that the back hot waste gas of hot waste gas through the activated coke revivifier get into pipe enters into waste gas evaporation pipe network; Through waste gas evaporation pipe network the intravital saturated active coke of revivifier shell being carried out heating evaporation is unsaturated activated coke, evaporates the hot waste gas discharged of pipe network at last through waste gas.
8. the comprehensive cyclic utilization method of a kind of coal cracking gas according to claim 7; It is characterized in that: the equipment that this step relates to also comprises tubular heat exchanger; A step between (1), (2), increasing; The hot waste gas waste gas admission passage of hot waste gas through tubular heat exchanger entered into waste gas heat radiation chamber carry out heat exchange with metal heat exchange pipe network, air gets into from the air admission pipe of metal heat exchange pipe network simultaneously, and warm air is discharged from the air vent pipe again; The waste heat that had both played hot waste gas further utilizes, and can heat the afterburning air again.
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