CN102911678B - Method for generating combustible high-temperature waste gas by carrying out dry quenching on combustion waste gas - Google Patents

Abstract

The invention discloses a method for generating combustible high-temperature waste gas by carrying out dry quenching on combustion waste gas, which comprises steps as follows: (1) a first combustion gas heater of an external combustion gas heating unit carries out purified gas combustion, and combusted hot waste gas absorbed from a second combustion gas heater is subjected to heat absorption to become low-temperature waste gas; (2) similarly, a second combustion gas heater of the external combustion gas heating unit carries out purified gas combustion, and combusted hot waste gas absorbed from the first combustion gas heater is subjected to heat absorption to become low-temperature waste gas; (3) the steps (1) and (2) are carried out alternately and circularly; (4) similarly, the combustion of a third combustion gas heater and a fourth combustion gas heater of an internal combustion heating unit is the same as that of the steps (1), (2) and (3); (5) the low-temperature waste gas is introduced into a dry quenching device; (6) coke in a low-temperature coke quenching chamber and a high-temperature coke quenching chamber of the dry quenching device is cooled by the low-temperature waste gas; and (7) meanwhile, the low-temperature waste gas generates a certain amount of high-temperature combustible waste gas in the dry quenching process.

Description

A kind of dry flammable high-temp waste gas method that produces of putting out of combustion exhaust

Technical field

The present invention relates to a kind of flammable high-temp waste gas method of generation, particularly a kind of dry flammable high-temp waste gas method that produces of putting out of combustion exhaust.

Background technology

Coal heat decomposition stove in the market (pit kiln) mostly adopts intermittent type coking, enter stove coal proportioning, dewater, enter coal, preheating, charing, burnt upgrading, dry each processing step such as put out is relatively independent, can not produce continuously, production efficiency is low; In addition, the raw gas producing in pyrolysis of coal process is containing a lot of useful compositions, as H ₂s, HCH etc. sour gas, NH ₃the organism such as alkaline gas, tar class, benzene class, naphthalene class, washing oil class, do not have the complete complete technique that raw gas derivation, reclaiming clean are used.

This impel the inventor to explore to create a set of complete Continuous coking and to raw gas derive, the reclaiming clean complete technique of recycle in addition.

Summary of the invention

The invention provides a kind of dry flammable high-temp waste gas method that produces of putting out of combustion exhaust, the method first purifies raw gas the purified gas burning after reclaiming, waste gas after recycling burning carries out dry putting out and produces high temperature combustible exhaust gas, to further utilize high temperature combustible exhaust gas to burn, reduced coking cost.

Realizing the technical scheme that above-mentioned purpose takes is:

Dry putting out produces a flammable high-temp waste gas method, and the equipment that the method relates generally to comprises outer gas-operated thermal bath facility, the dry device that puts out, and also comprises the 3rd combustion heater, the 4th combustion heater of internal combustion heating unit; Described outer gas-operated thermal bath facility, is positioned at pyrolysis of coal body of heater middle part and is centered around coking chamber exterior wall surrounding, comprises one group of above identical the first combustion heater of structure, the second combustion heater and gas reversing system; The described dry device that puts out, is arranged in pyrolysis of coal furnace chamber and is positioned at coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; One group of above identical the 3rd combustion heater, the 4th combustion heater of structure of described internal combustion heating unit communicates with gas reversing system, the exhaust gas fan of described gas reversing system is connected with the dry quenching exhaust gas fan that puts out device by pipeline, and present method performing step is:

(1), air, purified gas burning are sent in the first combustion chamber of the first combustion heater of the outside gas-operated thermal bath facility of gas reversing system, the heat heating that air is discharged by the first heat storage becomes the gas-fired in combustion-supporting the first combustion chamber of warm air, the hot waste gas after sucking-off burning from the second combustion chamber of the second combustion heater simultaneously, hot waste gas becomes the relatively low low temperature waste gas of temperature through the second heat storage absorbing and cooling temperature of the second combustion heater and discharges by the exhaust gas fan of gas reversing system;

(2), in like manner, air, purified gas burning are sent in the second combustion chamber of the second combustion heater of the outside gas-operated thermal bath facility of gas reversing system, and the heat heating that air is discharged by the second heat storage becomes the gas-fired in combustion-supporting the second combustion chamber of warm air; The hot waste gas after sucking-off burning from the first combustion chamber of the first combustion heater simultaneously, hot waste gas becomes the relatively low low temperature waste gas of temperature through the first heat storage absorbing and cooling temperature of the first combustion heater and discharges by the exhaust gas fan of gas reversing system;

(3), (1), (2) step alternate cycles is carried out;

(4) in like manner, the 3rd combustion heater of internal combustion heating unit and the burning of the 4th combustion heater are with above (1), (2), (3) identical;

(5) by naturally becoming the relatively low low temperature waste gas of temperature respectively after corresponding heat storage heat absorption after purified gas burning in the 3rd combustion heater of the first combustion heater of outer gas-operated thermal bath facility, the second combustion heater and internal combustion heating unit, the 4th combustion heater, by exhaust gas fan, introduce quenching exhaust gas fan, thereby enter dry putting out in device;

(6) utilize quenching exhaust gas fan that low temperature waste gas is blasted in wind assembling set chamber by the dry blast pipe of device, the dry circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dry pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. of putting out successively, low temperature waste gas converges in wind assembling set chamber, then blowout and going out from lower openings, be blown in low temperature coke quencher, upwards sealing in the coke of the ，Dui of high temperature coke quencher high temperature coke quencher neutralization from the Luo Xiang of high temperature coke quencher low temperature coke quencher lowers the temperature again;

(7) simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dry in putting out process, and high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a small amount of moisture content runs into after burnt upgrading chemical reaction can occur in one, low temperature waste gas, produces some inflammable gass; Also there is the not clean-burning inflammable gas of part in low temperature waste gas itself two; Three, the residual a part of inflammable gas also of the high temperature coke after burnt upgrading itself.

Feature of the present invention is first raw gas to be purified to the purified gas burning after reclaiming, and the waste gas after recycling burning enters dry putting out and produces high temperature combustible exhaust gas, to further utilize high temperature combustible exhaust gas to burn, has reduced coking cost.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.

Fig. 1 is F-F place enlarged view in Figure 15;

Fig. 2 is x-x place sectional view in Fig. 1;

Fig. 3 is gas reverser schematic diagram involved in the present invention;

Fig. 4 is gas reverser upper lower burrs schematic diagram involved in the present invention;

Fig. 5 is c-c place schematic cross-section in Figure 14;

Fig. 6 is z-z place schematic cross-section in Figure 11;

Fig. 7 is w-w place schematic cross-section in Figure 11;

Fig. 8 is y-y place schematic cross-section in Figure 11;

Fig. 9 is the burnt modifying apparatus schematic diagram (u-u place sectional view in Figure 11) of coal heat decomposition stove involved in the present invention;

Figure 10 is the quirk bow schematic diagram (t-t place sectional view in Figure 11) of coal heat decomposition stove involved in the present invention;

Figure 11 is pyrolysis of coal carbonizing apparatus schematic diagram of the present invention;

Figure 12 is the dry coke quenching auxiliary schematic diagram (H-H enlarged view in Figure 15) of coal heat decomposition stove involved in the present invention;

The quenching bridge bow schematic diagram of the dry coke quenching auxiliary of the coal heat decomposition stove that Figure 13 is involved in the present invention;

Figure 14 is the electrical connection schematic diagram at the industry control center of coal heat decomposition stove involved in the present invention;

Figure 15 is coal heat decomposition stove general illustration involved in the present invention;

Figure 16 is gas reverser and combustion heater pipe network connection diagram involved in the present invention.

Embodiment

The dry specific embodiment that puts out the flammable high-temp waste gas method of generation of a kind of combustion exhaust of the present invention is mainly introduced in detail in first, second, third and fourth joint of following the 5th part chapter 1 first segment, second section and the 4th part.

First part enters stove coal proportioning and preparation

As select 5 kinds of different coals, they are respectively that bottle coal, rich coal, coking coal, 1/3rd coking coal, lean coal first mix the fragmentation of then sieving, until reaching 5mm, crushed particles is formed into below stove coal, certainly coal heat decomposition stove of the present invention to other proportioning and granular size to enter stove coal applicable equally, do not form the required restriction that enters stove coal dust of coal heat decomposition stove of the present invention.

The second part enters stove coal dewatering

By entering stove coal dewatering device, to what enter this coal heat decomposition stove, enter dewatering of stove coal in advance, play energy-saving and cost-reducing effect.

Third part enters stove coal and enters coal, preheating, adjusting, cooling

Entering stove coal and generally can be down to normal temperature through temperature after carrying after dehydration, temperature may be lower, so need to carry out preheating, adjusting, cooling before entering coking chamber to entering stove coal.

First segment enters stove coal and enters coal and enter device for coal and be used for entering stove coal after input dehydration

Second section enters the top that stove coal preheating primary heater unit is arranged at into the below of device for coal and is positioned at coal heat decomposition stove.Primary heater unit enters stove coal with preheating to what reduce through temperature after carrying.

The enter stove coal of the 3rd joint after preheating regulates and into stove coal surge bunker, is arranged on upper of furnace body and is positioned at primary heater unit bottom, enters stove coal surge bunker and is used for regulating in the coking chamber of coal heat decomposition stove and adds the amount of injecting stove coal.

The 4th part enters stove pyrolysis of coal (charing heating, burnt upgrading, dry coke quenching)

First segment enters stove pyrolysis of coal charing heating

As shown in figure 15, pyrolysis of coal carbonizing apparatus 6 is arranged on body of heater 91 middle parts, mainly comprises that coking chamber 61, outer gas-operated thermal bath facility 64, internal combustion heating unit 67, quirk bow 65 form, as shown in Figure 2: coking chamber 61 is by fire-resistant thermally conductive material, outer ring wall 612, 611 form an annulus, being centered around coking chamber exterior wall 611 ring peripheries is outer gas-operated thermal bath facility 64, wherein outer gas-operated thermal bath facility 64 is mainly some groups of identical the first combustion heaters 62 of (9 groups of this examples) structure, the second combustion heater 60 and gas reversing system 66 form, in addition, as shown in figure 15: because coking chamber 61 is highly higher, wherein outer gas-operated thermal bath facility 64 is mainly divided into, in, lower Three-section type heating, every section has 9 groups of identical first combustion heaters 62 of structure, the second combustion heater 60 forms.

As shown in Figure 6: in coking chamber, in ringwall 612 rings, be internal combustion heating unit 67, internal combustion heating unit 67 is mainly by some groups of the 3rd combustion heater 68, the 4th combustion heater 69 and the quenching waste gas heaters 63 that (3 groups of this examples) structure is identical.

As shown in Figure 1, the first described combustion heater 62 mainly comprises that the first combustion chamber 621, the first coal gas enter arm 622 and the first regenerative heat exchanger 624.

As shown in Figure 2, body of heater 91 exterior walls that the first combustion chamber 621 is made by refractory materials and fire-resistant thermally conductive material are made 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, the first coal gas enters arm 622 and leads in the first combustion chamber 621 through body of heater 91 exterior walls.

As shown in Fig. 1,12: the first regenerative heat exchanger 624 comprises that the first accumulation of heat chamber 626, the first heat storage 623, the first air enter 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, the first heat storage 623 arranges in the first accumulation of heat chamber 626,621 bottoms, the first combustion chamber are led in the first 626 one end, accumulation of heat chamber, and the other end is connected to respectively the first air and enters arm 627 and the first combustion exhaust exhaust outlet 628.

As shown in Figure 2: at the first air, enter and between arm 627 and the first accumulation of heat chamber 626, be provided with the first one-way air valve 629, the first one-way air valves 629 and allow air to enter pipe the 627 and first accumulation of heat chamber 626 from the first air to flow into the first combustion chambers 621; 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 the first combustion chamber 621, finally from the first combustion exhaust exhaust outlet 628, discharge (certainly, adopt gas reversing system 66 as described below, when air supervisor the 667 and first air, be in charge of 6671 connections, air supervisor the 667 and second air is in charge of 6673 in cutting off; Meanwhile, combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 in being connected, can play the effect that replaces the first one-way air valve 629 and the first unidirectional waste gas valve 620).

In like manner, as shown in Figure 2: identical the second combustion heater 60 of structure mainly comprises that the second combustion chamber 601, the second coal gas enter arm 602 and the second regenerative heat exchanger 604, body of heater 91 exterior walls that the second combustion chamber 601 is made by refractory materials and fire-resistant thermally conductive material are made the gas-fired quirk that coking chamber outer ring wall 611 and outer quirk partition wall 625 surround a relative closure, and the second coal gas enters arm 602 and leads in the first combustion chamber 601 through body of heater 91 exterior walls.

As shown in Figure 2: the second regenerative heat exchanger 604 comprises the second accumulation of heat chamber 606, the second heat storage 603, the second air enters 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, the second heat storage 603 arranges in the second accumulation of heat chamber 606, 601 bottoms, the second combustion chamber are led in the second 606 one end, accumulation of heat chamber, the other end is connected to respectively the second air and enters arm 607 and the second combustion exhaust exhaust outlet 608, at the second air, enter between arm 607 and the second accumulation of heat chamber 606 and be provided with the second one-way air valve 609, the second one-way air valve 609 allows air to enter pipe the 607 and second accumulation of heat chamber 606 from the second air and flows into the second combustion chamber 601, 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 the second combustion chamber 601, finally from the second combustion exhaust exhaust outlet 608, discharge (certainly, adopt gas reversing system 66 as described below, when air supervisor the 667 and first air is in charge of 6671 cut-outs, air supervisor the 667 and second air is in charge of 6673 in connecting, meanwhile, combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and is also connected, and corresponding combustion exhaust supervisor 669 is in charge of 6693 also cut-outs mutually with the second combustion exhaust, can play the effect that replaces the second one-way air valve and the second unidirectional waste gas valve).

As shown in Figure 1 and Figure 2, between the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour, the top of outer quirk partition wall 625 is provided with combustion chamber through hole 6251, combustion chamber through hole 6251 is connected the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour to form associated one group, in this example, outer gas-operated thermal bath facility 64 is provided with quirk partition wall 625 partition walls outside 18 roads altogether, forms 9 groups of associated burning groups; In addition, as shown in figure 15; Because coking chamber 61 is highly higher, wherein outer gas-operated thermal bath facility 64 is mainly divided into the heating of upper, middle and lower segment formula, and every section has 9 groups of identical the first combustion heaters 62 of structure, second combustion heaters 60 to form.

In sum, combustion heater and regenerative heat exchange method are;

When 1, the coal gas in the first combustion chamber 621 burns, purified gas after raw gas reclaiming clean enters arm 622 by the first coal gas and enters in the first combustion chamber 621, the first one-way air valve 629 is opened, and allows air to enter pipe the 627 and first accumulation of heat chamber 626 from the first air and flows into the first combustion chamber 621; The first described unidirectional waste gas valve 620 is closed, the hot waste gas producing leads to 6251 holes by combustion chamber and enters behind the second combustion chamber 601, hot waste gas is during through the second heat storage 603 in the second accumulation of heat chamber 606, the second 603 pairs of heat storages hot waste gas carries 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 the second combustion chamber 601, purified gas after raw gas reclaiming clean enters arm 602 by the second coal gas and enters in the second combustion chamber 601, the second one-way air valve 609 is opened, air enters arm 607 from the second air and enters into the second combustion chamber 601 processes through the second accumulation of heat chamber 606, and the heat heating that air is discharged by the second heat storage 603 becomes the gas-fired in combustion-supporting the second combustion chamber 601 of warm air; Meanwhile, the second described unidirectional waste gas valve 600 is closed, hot waste gas after gas-fired in the second combustion chamber 601 enters behind the first combustion chamber 621 by combustion chamber through hole 6251, hot waste gas is during through the first heat storage 623 in the first accumulation of heat chamber 626, the first 623 pairs of heat storages hot waste gas carries 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 and the 2nd step alternate cycles are carried out.

As shown in Figure 1: on body of heater 91 exterior walls, be also 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 technician intuitively observes each combustion chamber, in chamber temperature monitoring holes 6201, be provided with chamber temperature table 6203 for the temperature monitoring to combustion chamber, so that the assessment to pyrolysis of coal process.

As shown in figure 14: chamber temperature table 6203 is connected with industry control center 90, by industry control center 90, automatically gather the temperature data of chamber temperature table 6203.

As Fig. 3, Fig. 4, shown in Figure 16, 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 respectively air supervisor 667 and first air and is in charge of 6671, the second air is in charge of 6673, coal gas supervisor 668 and first gas manifold 6681, the second gas manifold 6683, combustion exhaust supervisor 669 and second combustion exhaust is in charge of 6693, the first combustion exhaust is in charge of 6691, wherein, the second combustion exhaust is in charge of the 6693 and first combustion exhaust and is in charge of the 6691 and first air and is in charge of the 6671 and second air and is in charge of the setting of the 6673 and first gas manifold 6681 and the second gas manifold 6683 and just exchanges (Fig. 4, shown in Figure 16).

As Fig. 3, 15, shown in Figure 16: above coil 661 and be fitted in lower wall 662 tops, upper dish 661 respectively correspondence is provided with air pipe connecting 6672, coal gas pipe connecting 6682, combustion exhaust pipe connecting 6692, thereby rotation reversing motor 663 drives upper dish 661 reciprocating rotation on lower wall 662 to realize air supervisor 667 to be constantly in charge of the 6671 and second air with the first air and to be in charge of 6673 and to connect and cut off conversion, coal gas supervisor 668 constantly connects and cuts off conversion with the first gas manifold 6681 and the second gas manifold 6683, combustion exhaust supervisor 669 is constantly in charge of the 6693 and first combustion exhaust with the second combustion exhaust and is in charge of 6691 and connects and cut off conversion (be in charge of the 6671 and second air to be in charge of the switching of the 6673 and first gas manifold 6681 and the second gas manifold 6683 just contrary with the first air).

As shown in Fig. 1, Figure 16, in the periphery of body of heater 91, be also provided with two groups of bustle pipes, comprise the first air bustle pipe 6674, the first coal gas bustle pipe 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.

As shown in figure 16: the first air bustle pipe 6674 is in charge of the 6671 and first air by the first air and is entered arm 627 and link up, the first air is in charge of to the 6671, first air bustle pipe 6674, the first air enters arm 627, the first accumulation of heat chamber 626 and the first combustion chamber 621 and forms same path; Meanwhile, the first coal gas bustle pipe 6684 enters arm 622 by the first gas manifold 6681 and the first coal gas and links up, and the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas is entered to arm 622 and the first combustion chamber 621 forms same path; Simultaneously now, the first combustion exhaust bustle pipe 6694 is the first combustion exhaust to be in charge of to the 6681 and first combustion exhaust exhaust outlet 628 link up, and the first combustion exhaust is in charge of to the 6681, first combustion exhaust exhaust outlet 628, the same path of the first 626Yu combustion chamber, accumulation of heat chamber 621 formation;

In like manner, the second air bustle pipe 6675 is in charge of the 6673 and second air by the second air and is entered arm 607 and link up, by the second air be in charge of the 6673, second air bustle pipe 6675, the second air enters arm 607, the second accumulation of heat chamber 606 and the second combustion chamber 601 and forms same path; Meanwhile, the second coal gas bustle pipe 6685 enters arm 602 by the second gas manifold 6683 and the second coal gas and links up, by the second gas manifold 6683, the second coal gas bustle pipe 6685 will, the second coal gas enters arm 602 and the second combustion chamber 601 forms same path; Meanwhile, the second combustion exhaust bustle pipe 6695 is in charge of the 6693 and second combustion exhaust exhaust outlet 608 by the second burning gas and is linked up, and the second combustion exhaust is in charge of to the 6693, second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 and the second combustion chamber 601 and forms same path.

In addition; as shown in figure 14; this example also comprises that gas reversing system controller 906 is for controlling rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666; reversing system electric controller 906 is connected with upper industry control center 90 again; certainly from electric control theory; in this example, rotate reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 and controlled by industry control center 90, so the restriction that gas reversing system controller 906 does not form this routine protection domain is set herein.

As shown in Fig. 1, Figure 16 and Fig. 2～Fig. 5, the heating means of outer gas-operated thermal bath facility 64 are:

(1) the rotation reversing motor 663 of gas reversing system 66 drives upper dish 661 to rotate on lower wall 662, and air supervisor the 667 and first air is in charge of 6671 connections, and air supervisor the 667 and second air is in charge of 6673 in dissengaged positions; Meanwhile, coal gas supervisor the 668 and first gas manifold 6681 is also connected, coal gas supervisor the 668 and second gas manifold 6683 dissengaged positions; Meanwhile, combustion exhaust supervisor 669 is in charge of 6691 with the first combustion exhaust and also cuts off mutually, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 in the state of being connected;

(2) air blower 664 by air blast air supervisor 667, air successively through air pipe connecting 6672, the first air be in charge of the 6671, first air bustle pipe 6674, the first air enters arm 627 and enters into the first accumulation of heat chamber 626, after the heat that utilizes the first heat storage 623 to discharge heats air, enter in the first combustion chamber 621, simultaneously, gas fan 665 obtains raw gas purified gas and blasts coal gas supervisor 668 after reclaiming clean, coal gas passes through coal gas pipe connecting 6682 successively, the first gas manifold 6681, the first coal gas bustle pipe 6684, the first coal gas enters arm 622 and enters in the first combustion chamber 621 and burn, meanwhile, because combustion exhaust supervisor 669 is in charge of 6691 in phase dissengaged positions with the first combustion exhaust, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 in the state of being connected, so the waste gas in the first combustion chamber 621 after gas-fired can only enter into the second combustion chamber 601 by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops, again after the second heat storage 603 in the second accumulation of heat chamber 606 carries out absorbing and cooling temperature from the second combustion exhaust exhaust outlet 608, the second combustion exhaust bustle pipe 6695, the second combustion exhaust is in charge of 6693, combustion exhaust supervisor 669 discharges by exhaust gas fan 666,

(3) through burning after a while, the rotation reversing motor 663 of gas reversing system 66 drives upper dish 661 to rotate backward on lower wall 662, air supervisor the 667 and first air is in charge of 6671 cut-outs, air supervisor the 667 and second air is in charge of 6673 in on-state, simultaneously, coal gas supervisor 668 also cuts off mutually with the first gas manifold 6681, coal gas supervisor the 668 and second gas manifold 6683 on-states, meanwhile, combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and is also connected, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 also phase dissengaged positions,

(4) air blower 664 by air blast air supervisor 667, air successively through air pipe connecting 6672, the second air be in charge of the 6673, second air bustle pipe 6675, the second air enters arm 607 and enters into the second accumulation of heat chamber 606, after the heat that utilizes the second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats air, enter in the second combustion chamber 601, simultaneously, gas fan 665 obtains raw gas purified gas and blasts coal gas supervisor 668 after reclaiming clean, coal gas passes through coal gas pipe connecting 6682 successively, the second gas manifold 6683, the second coal gas bustle pipe 6685, the second coal gas enters arm 602 and enters in the second combustion chamber 601 and burn, meanwhile, because combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and is connected, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 in phase dissengaged positions, so the waste gas in the second combustion chamber 601 after gas-fired can only enter by the combustion chamber through hole 6251 on outer quirk partition wall 625 tops in the first combustion chamber 621, again through the first accumulation of heat chamber 626, in the first heat storage 603 absorbing and cooling temperatures after, finally from the first combustion exhaust exhaust outlet 628, the first combustion exhaust bustle pipe 6694, the first combustion exhaust is in charge of 6691, combustion exhaust supervisor 669 discharges by exhaust gas fan 666.

So, outer gas-operated thermal bath facility 64 combustion principle are that the waste gas generating after gas-fired in the first combustion chamber 621 enters the second combustion chamber 601 from combustion chamber through hole 6251, after the second heat storage 603 in the second combustion chamber 601 and the second accumulation of heat chamber 606 is to its exhaust-heat absorption cooling, discharge.

Otherwise the waste gas generating after gas-fired in the second combustion chamber 601 enters the first combustion chamber 621 from combustion chamber through hole 6251, after the first heat storage 603 in the first combustion chamber 621 and the first accumulation of heat chamber 606 is to its exhaust-heat absorption cooling, discharge.

In sum, this gas two by gas reversing system enters the mode of operation of the regenerative heat exchange of a mode of operation outing and regenerative heat exchanger, realize two groups of combustion heater alternate combustion, be that gas reversing system is sent into air, purified gas burning to the combustion chamber of the first combustion heater, while is the hot waste gas after sucking-off burning from the combustion chamber of the second combustion heater, and the second heat storage absorbing and cooling temperature of hot waste gas in the second regenerative heat exchanger of the second combustion heater becomes the relatively low low temperature waste gas of temperature and discharge; In like manner, gas reversing system is sent into air, purified gas burning to the combustion chamber of the second combustion heater, while is the hot waste gas after sucking-off burning from the combustion chamber of the first combustion heater, and the first heat storage absorbing and cooling temperature of hot waste gas in the first regenerative heat exchanger of the first combustion heater becomes the relatively low low temperature waste gas of temperature and discharge; This method of mutually utilizing waste gas residual heat after gas-fired to add warm air, both played the waste gas residual heat after gas-fired had been made full use of, improve the efficiency of combustion of the coal gas in combustion chamber, can carry out cooling to a certain degree to the waste gas after gas-fired again, need not consume the external energy, play energy-saving and cost-reducing object, save coking cost.

As shown in Fig. 6, Figure 15, internal combustion heating unit 67 is mainly by some groups of identical combustion heater 68,69 and the quenching waste gas heaters 63 of (3 groups of this examples) structure.

As shown in Figure 11, Fig. 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 quirk bow 65.

As shown in Figure 8, internal-quirk 631 mainly by ringwall in coking chamber 612 be positioned at coking chamber ringwall 612Nei center ringwall 634 internal-quirk partition wall 635 together with at least and be divided at least one group of above main internal-quirk 636, secondary internal-quirk 637 arranged side by side, as shown in Figure 8,6 main internal-quirks 636 of this example and 6 secondary internal-quirks 637, form side by side and amount to 6 groups of internal-quirks 631.

As shown in figure 11, in secondary internal-quirk 637, shutoff dividing plate 6371 is set, lower shutoff dividing plate 6372, is divided into upper, middle and lower segment by 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; On quirk partition wall 635 between the secondary internal-quirk 6375 of epimere and main internal-quirk 636, be provided with waste gas and gang up hole 6303, hot waste gas exhaust channel 6306 is offered at the secondary internal-quirk 6375 of epimere and 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.

As shown in Figure 11, Fig. 8, on quirk partition wall 635 between the secondary internal-quirk 6373 of hypomere and main internal-quirk 636, quirk is set and gangs up hole 6304, quirk is ganged up hole 6304 near lower shutoff dividing plate 6372 belows, as shown in Figure 8,6 quirks are ganged up hole 6304 connects the secondary internal-quirks 6373 of 6 hypomeres respectively with main internal-quirk 636 together with.

As shown in figure 11, center ringwall 634 surrounds centre channel 638, in centre channel 638, with the concordant place of upper shutoff dividing plate 6371, one channel partition 6382 is set, centre channel 638 is separated into upper and lower two portions, be that formation high temperature combustible exhaust gas admission passage 6383 is divided in bottom, formation buffer zone 6381 is divided on top.

As shown in Fig. 9, 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 enter ringwall 634 tops, Kong639， center and be provided with and connect buffer zone 6381 and enter hole 6301 with the waste gas of main internal-quirk 636 and the secondary internal-quirk 6375 of epimere.

As shown in Figure 11, Figure 10, Fig. 9: tonifying Qi circuit 633 is arranged on 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 from the bar bow 651 of quirk bow 65 inside that extends upwardly to the quirk partition wall 635 between major and minor internal-quirk 636,637 below.

As shown in Figure 11, Fig. 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 lower shutoff dividing plate below 6372, leads to respectively the secondary internal-quirk 6373 of main internal-quirk 636 and hypomere; As shown in figure 11, secondary air compensating pipe 6322 is also 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 upper shutoff dividing plate 6371 concordant or a little higher than with upper shutoff dividing plate 6371, lead to main internal-quirk 636.

As shown in Figure 11, Fig. 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 upper stage casing connects into relevant one group to the secondary internal-quirk 6374 in next stage casing of next-door neighbour by chamber passage 6305, chamber passage 6305 below upper shutoff dividing plate 6371 and from pass in a main internal-quirk 636 between next stage casing pair internal-quirk 6374 of the 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 by 3 chamber passages 6305.

As Figure 11, Fig. 6, shown in Fig. 7, the secondary internal-quirk 6374 in two stage casings in secondary internal-quirk 637 (is gone up, lower shutoff dividing plate 6371, between 6372) one group of association the 3rd combustion heater 68 that structure is identical is set, the 4th combustion heater 69, the first combustion heater 62 of its structure and combustion principle and above introduction, the second combustion heater 60 is almost completely identical, also comprise that the 3rd combustion heater 68 comprises the 3rd combustion chamber 681, the 3rd coal gas enters arm 682, the 3rd accumulation of heat chamber 686, the 3rd heat storage 683, the 3rd air enters arm 687 and the 3rd combustion exhaust exhaust outlet 688.

As shown in Figure 11, Fig. 6, need to illustrate different is the secondary internal-quirk 6374 in the 3rd 681Shi stage casing, combustion chamber of the 3rd combustion heater 68, by relatively airtight gas-fired quirk between upper and lower shutoff dividing plate 6371,6372.

As Figure 11, Figure 10, shown in Fig. 9: the 3rd coal gas enters arm 682 and leads to the 3rd combustion chamber 681 (being stage casing pair internal-quirk 6374) through extending upward through quirk partition wall 635 inside below from the bar bow 651 of quirk bow 65, 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 is placed in the 3rd accumulation of heat chamber 686, the 3rd 686 one end, accumulation of heat chamber is passed below the bar bow 651 of quirk bow 65 by 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 respectively the 3rd air and enter arm 687 and the 3rd combustion exhaust exhaust outlet 688.

In like manner, the 4th combustion heater 69 structures are complete identical with the 3rd combustion heater 68, repeat no more here, and wherein the 4th combustion chamber 691 is connected and formed associated one group (shown in Fig. 7) by chamber passage 6305 with the 3rd combustion chamber 681.

Wherein, as shown in figure 16, the 3rd coal gas of the 3rd combustion chamber 681 of the 3rd combustion heater 68 enters arm 682, the 3rd air and enters arm 687 and the 3rd combustion exhaust exhaust outlet 688 and by the first coal gas bustle pipe 6684, the first air bustle pipe 6674, the first combustion exhaust bustle pipes 6694 and the first gas manifold 6681, the first air, be in charge of the 6671, first combustion exhaust respectively and be in charge of 6691 and communicate.

As shown in figure 16, the 4th coal gas of the 4th combustion chamber 691 of the 4th combustion heater 69 enters arm 692, the 3rd air and enters arm 697 and the 3rd combustion exhaust exhaust outlet 698 and by the second coal gas bustle pipe 6685, the second air bustle pipe 6675, the second combustion exhaust bustle pipe 6695 and the second gas manifold 6683, the second air, be in charge of the 6673, second combustion exhaust respectively and be in charge of 6693 and communicate.

In sum, the 3rd combustion heater 68, the 4th combustion heater 69, combustion principle and above the first combustion heater 62, the second combustion heater 60 are almost completely identical, repeat no more here.

These routine internal combustion heating unit 67 Method And Principles are that the secondary internal-quirk 6375 of epimere and the secondary internal-quirk 6373 of hypomere and main internal-quirk 636 are that the high temperature combustible exhaust gas that utilizes dry coke quenching to produce carries out tonifying Qi combustion heating, and the secondary internal-quirk 6374 in stage casing is the purified gas combustion heatings that utilize in addition after raw gas reclaiming clean.

These routine internal combustion heating unit 67 methods are: (1), from the high temperature combustible exhaust gas admission passage 6383 of centre channel 638 bottoms, enter when high temperature combustible exhaust gas, through combustible exhaust gas, entering hole 639 enters in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, the high temperature combustible exhaust gas temperature just having entered is higher generally all at 1000 ℃～1100 ℃, but along with waste gas rises and externally does work and dispel the heat in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, temperature can reduce;

(2), at this moment by a blowdown pipe 6321, give the air that fills in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, thereby make high temperature combustible exhaust gas obtain airborne oxygen burning, the amount of the combustible gas in high-temperature combustible gas body is certain after all, and the heat and the temperature that provide coking chamber 61 pyrolysis of coal required are provided;

(3) so, when passing through quirk through the waste gas after 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, with the waste gas after the high-temperature combustible gas body in main internal-quirk 636 and burning, mix in main quirk 636 and rise, along with the waste gas after mixed high-temperature combustible gas body and burning can be to providing heat and externally acting to the pyrolysis of coal in coking chamber 61 by ringwall in coking chamber 612 in uphill process, temperature can reduce gradually;

(4) so need to again enter short covering gas by secondary air compensating pipe 6322 in the middle and upper part of main internal-quirk 636, make the waste gas further burning again after mixed high-temperature combustible gas body and burning, this provides required heat and temperature not only to coking chamber 61 pyrolysis of coal, and can make again high-temperature combustible gas body fully burn, improve high-temperature combustible gas work by combustion efficiency;

(5), in addition, owing to having buffer zone 6381 in the middle of main internal-quirk 636 and the secondary internal-quirk 6375 of epimere, ringwall 634 tops in center are provided with perforation buffer zone 6381 and enter hole 6301 with the waste gas of main internal-quirk 636 and the secondary internal-quirk 6375 of epimere, on the quirk partition wall 635 between main internal-quirk 636 and the secondary internal-quirk 6375 of epimere, be provided with waste gas and gang up hole 6303, between the secondary internal-quirk 6375 of each main internal-quirk 636 and epimere, completely mutually connect, waste gas after the burning of tonifying Qi for the second time can be mixed completely mutually, between the secondary internal-quirk 6375 of the main internal-quirk 636 in place and epimere, reaching samming all presses, balanced heat and temperature is provided can to the pyrolysis of coal on whole coking chamber 61 tops,

(6), finally by the waste gas of crossing after secondary air compensating burning, by the hot waste gas exhaust channel 6306 at main internal-quirk 636 and the secondary internal-quirk of epimere 6375 tops, enter the exhaust air chamber 391 on body of heater 91 tops;

(7), meanwhile, in order to make up the quantity not sufficient of the combustible gas in high-temperature combustible gas body, be not enough to provide the required heat of coking chamber 61 pyrolysis of coal and the defect of temperature, and can making full use of the raw gas producing in pyrolysis of coal process, give the 3rd combustion heater 68, the 3rd combustion chamber 681 of the 4th combustion heater 69 and the 4th combustion chamber 691 provide the purified gas burning of raw gas after reclaiming clean, in the secondary internal-quirk 637 in stage casing, add heat, enough heat and temperature are provided not only to coking chamber 61 pyrolysis of coal, improved again the utilization ratio of raw gas simultaneously, minimizing is discharged in atmosphere, avoid atmospheric pollution, protected environment.

The burnt upgrading of second section

Because coal carries out the coke forming after pyrolysis in coking chamber, there is the inequality of being heated, the situation that coke briquette grain size is irregular, preferably to coke, provide certain temperature and time, make fully to contact between coke, mutually carry out heat transmission, this just needs burnt modifying apparatus 610.

As shown in Figure 12, Figure 11, Fig. 9, Figure 15, burnt modifying apparatus 610, be arranged in body of heater and be positioned on 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 perforation high temperature combustible exhaust gas admission passage 6383 and enter hole 639 with the combustible exhaust gas of main internal-quirk 636, the secondary internal-quirk 6373 of hypomere.

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, as shown in figure 14, industry control center 90 and burnt upgrading thermometer 6012 electrical connections, the burnt upgrading temperature signal of the upgrading thermometer 6012 of automatically focusing is monitored.

The method that this burnt modifying apparatus carries out upgrading is: the outside body of heater exterior wall by heat insulating refractory material is incubated, inside enters hole 639 by high temperature combustible exhaust gas from combustible exhaust gas and enters main internal-quirk 636 bottoms, in 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 particularly just having entered is just applicable to burnt upgrading between 1000 ℃～1100 ℃, make coke retain certain hour in burnt upgrading chamber, fully contact between coke briquette grain, carry out each other heat transmission, reach evenly object of coke button size.

The 3rd joint quirk bow

As Figure 11, shown in Figure 10, because the quirk partition wall 635 of ringwall 612 and internal combustion heating unit 67 in coking chamber, center ringwall 634 is all arranged in furnace chamber, need quirk bow 65 to provide support for it, the laying of various pipelines is provided to again internal combustion heating unit 67 simultaneously, as Figure 11, shown in Figure 10, quirk bow 65 is arranged on coking chamber 61, internal combustion heating unit 67, in the furnace chamber of burnt modifying apparatus 610 belows, mainly comprise the bar bow 651 of some, Huo Gong center ringwall 652, ringwall 652 middle parts in Huo Gong center form high temperature combustible exhaust gas passage 653, bar bends 651 one end and is fixed on Huo Gong center ringwall 652, the other end is fixed on body of heater 91, bar bow 651 is the radial layout of scattering in interval at a certain angle around ringwall 652 centers, Huo Gong center, fire bow 651 in this example is 12 bows, the master of quantity and internal combustion heating unit 67, secondary internal- quirk 636, 637 sums are consistent.

As 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 enters arm 682 and the 3rd accumulation of heat chamber 686 is set, the blowdown pipe 6321 arranging in the body of wall of tight another adjacent fire bow 651, secondary air compensating pipe 6322, provide convenience to the pipeline laying of internal combustion heating unit 67, article 6, in the body of wall of fire bow 651, be set up in parallel respectively the extension passage 6861 that 6 article of the 3rd coal gas enters arm 682 and the 3rd accumulation of heat chamber 686, 6 blowdown pipes 6321 that are set up in parallel respectively in the body of wall of another 6 fire bows 651, secondary air compensating pipe 6322, make the various conduit arrangements of internal combustion heating unit 67 orderly, be unlikely to interfere.

The 4th joint dry coke quenching

Coke temperature after upgrading is higher, generally all at 1000 ℃～1100 ℃, need to carry out cooling could convenience to high temperature coke and carries and store, and need to have the dry device 7 that puts out.

As shown in Figure 12 and Figure 13, the dry device 7 that puts out is arranged on quirk and bends 65 belows, comprises the 71, of high temperature coke quencher 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 the 71Yu of high temperature coke quencher low temperature coke quencher 72, and quenching bridge bow 73 comprises Qiao Gong731, wind assembling set 74, the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dry pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc.; The 6 Tiao Qiaogongyi high temperature 71He of the coke quencher low temperature 72Zhou of coke quencher centers are partitioned at an angle spoke shape and arrange in the dry 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 the lower openings 79 of semisphere blast cap 78， wind assembling set 74 towards low temperature coke quencher 72; The dry pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is arranged in bridge bow 731, and wind assembling set 74 is led in dry pipe 77 one end that relieve dizziness, high fever, infantile convulsions, epilepsy, etc., and the other end leads to the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., and the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is connected by 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.

As shown in figure 12, be provided with the quenching temperature monitoring hole 711 of leading to high temperature coke quencher 71 on the exterior wall 91 of body of heater, quenching temperature monitoring hole is provided with quenching thermometer 712 in hole.

As shown in figure 14, quenching thermometer 712, quenching exhaust gas fan 75 and discharge of the coke valve 70 and 90 electrical connections of industry control center, 90 pairs, industry control center quenching exhaust gas fan 75 and the valve 70 that discharges of the coke are controlled automatically, by 712 pairs of quenching temperature of quenching thermometer, monitor.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 by the dry Setup Controller 907 that puts out, and certainly from electric control theory, in this example, the dry Setup Controller 907 that puts out does not form the restriction to this routine protection domain.

The dry 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 3rd combustion heater 68 of the first combustion heater 62, the second combustion heater 60 and the internal combustion heating unit 67 of outer gas-operated thermal bath facility 64, younger brother's four combustion heater 69 first gas-fireds is introduced to quenching exhaust gas fan 75, because the waste gas after gas-fired naturally becomes the relatively low low temperature waste gas of temperature respectively after heat storage heat absorption;

(2) utilize quenching exhaust gas fan 75 that low temperature waste gas is passed through to blast pipe 761 successively, the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dry pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. blasts in wind assembling set Room 74, low temperature waste gas converges in wind assembling set Room 74, because wind assembling set 74 adopts unique structure, the blast cap 78 at top is semisphere, middle part chamber is inversed taper platform shape structure, so low temperature waste gas can be from lower openings 79 blowout and going out, be blown in low temperature coke quencher 72, upwards seal in again high temperature coke quencher 71, the high temperature coke quencher coke of 71 neutralizations from the 71Luo Xiang of high temperature coke quencher low temperature coke quencher 72 lowered the temperature, this example adopts air-cooled form STRENGTH ON COKE to lower the temperature, therefore be referred to as dry putting out,

(3) in addition, this example is dry to be put out device 7 and also can produce a certain amount of high-temperature combustible gas body dry in putting out process, because, in one, low temperature waste gas, contain the high temperature coke that a small amount of moisture content runs into after burnt upgrading chemical reaction can occur, produce some inflammable gass; Also there is the not clean-burning inflammable gas of part in low temperature waste gas itself two; Three, the residual a part of inflammable gas also of the high temperature coke after burnt upgrading itself, these inflammable gass upwards enter the high temperature combustible exhaust gas passage 653 at ringwall 652 middle parts, Huo Gong center, thereby source of the gas are provided to the major and minor quirk 636,637 of the internal combustion heating unit 67 of coal heat decomposition stove.

The low temperature waste gas of lifting in this example refers to the waste gas that purified gas after the raw gas reclaiming clean producing in pyrolysis of coal process produces after the outer gas-operated thermal bath facility of coal heat decomposition stove and the burning of the combustion heater in internal combustion heating unit, this waste gas becomes cryogenic gas after the heat storage absorbing and cooling temperature in accumulation of heat chamber, trunk puts out device and is also advantageous in that and utilizes the incombustibility of combustion exhaust own to replace existing use inert nitrogen to carry out dry putting out, equipment is simple, with low cost, remarkable in economical benefits.This example is compared with traditional wet quenching, more can a large amount of water-gas not occur because large 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 producing in pyrolysis of coal process again simultaneously.

The 5th joint continuous coking apapratus

Comprehensively above-mentioned, a large advantage of this coal heat decomposition stove is energy 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, pyrolysis of coal gas

Chapter 1, the reclaiming clean utilization of raw gas (derivation, condensation, change are produced)

First segment raw gas is derived

The raw gas producing in pyrolysis of coal process, containing a lot of useful compositions, need to be derived to utilize raw gas

The condensation of second section raw gas

Raw gas temperature is higher, need to carry out cooling to high temperature raw gas.

The reclaiming clean of the 3rd joint raw gas

Raw gas after ammoniacal liquor sprays can store for burning after purifying and reclaiming.

Chapter 2, the recycle after raw gas reclaiming clean (burning, dryly put out, burnt upgrading, again burn, enter the preheating of stove coal, enter stove coal dewatering, tonifying Qi air heating)

First segment raw gas purifies the purified gas burning after reclaiming

Raw gas is through purifying after recovery, and purified gas burns, and to pyrolysis of coal, provides thermal source.

Dry the putting out of waste gas after the burning of second section purified gas

Purified gas burning cmpletely in the combustion heater in gas-operated thermal bath facility and the combustion heater in internal combustion heating unit outside, utilize not combustion exhaust cmpletely to carry out the dry cooling of putting out to high temperature coke, generation water-gas can react when the moisture content in combustion exhaust does not contact with high temperature coke cmpletely, take away again remaining volatile combustible gases after high temperature coke upgrading simultaneously, the final high-temp waste gas that contains inflammable gas composition that forms, specifically see the introduction of above dry coke quenching chapters and sections, repeat no more here.

As shown in figure 24, comprehensive this chapter first segment, the content of second section and the content of the 4th first, second, third and fourth joint of part show that dry the putting out of a kind of combustion exhaust produces flammable high-temp waste gas device and method, this device mainly comprises outer gas-operated thermal bath facility 64, the dry 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 gas-operated thermal bath facility 64 is shown in the introduction in above the 4th part first segment; Described dry device 7 concrete structures that put out are shown in the introduction in above the 4th part the 4th joint; Described the 3rd combustion heater 68 that comprises internal combustion heating unit 67, the concrete structure of the 4th combustion heater 69 are shown in the introduction in the 4th part first segment, repeat no more here.

Here only for the annexation between them, be described further, the exhaust gas fan 666 of the gas reversing system 66 of outer gas-operated thermal bath facility 64 is connected with the dry quenching exhaust gas fan 75 that puts out device 7 by pipeline, make the first combustion chamber 621 of the first combustion heater 62 of outer gas-operated thermal bath facility 64, the 3rd combustion chamber 681 of the second combustion chamber 601 of the second combustion heater 60 and the 3rd combustion heater 68 of internal combustion heating unit 67, hot waste gas in the 4th combustion chamber 691 of the 4th combustion heater 69 after purified gas burning is through the first heat storage 623 of the first combustion heater 62 corresponding to its difference, the second heat storage 603 of the second combustion heater 60, the 3rd heat storage 683 of the 3rd combustion heater 68, after the 4th heat storage 693 absorbing and cooling temperatures of the 4th combustion heater 69, become low temperature waste gas, the exhaust gas fan 666 of described low temperature waste gas by the gas reversing system 66 of external heating device 64 and the quenching exhaust gas fan 75 that puts out device 7 enter dry put out in device 7 dry coke after putting out upgrading in device 7 and completing are carried out to wind cooling temperature lowering (being to be referred to as dry putting out in industry).

This routine the method performing step is;

(1), air, purified gas burning are sent in the first combustion chamber 620 of the first combustion heater 62 of gas reversing system 66 outside gas-operated thermal bath facilities 64, the heat heating that air is discharged by the first heat storage 623 becomes the gas-fired in combustion-supporting the first combustion chamber 62 of warm air, while is the hot waste gas after sucking-off burning from the second combustion chamber 601 of the second combustion heater 60, and hot waste gas becomes the relatively low low temperature waste gas of temperature by exhaust gas fan 666 discharges of gas reversing system 66 through the second heat storage 603 absorbing and cooling temperatures of the second combustion heater 60;

(2), in like manner, air, purified gas burning are sent in the second combustion chamber 601 of the second combustion heater 60 of gas reversing system 66 outside gas-operated thermal bath facilities 64, and the heat heating that air is discharged by the second accumulation of heat 603 bodies becomes the gas-fired in combustion-supporting the second combustion chamber 601 of warm air; While is the hot waste gas after sucking-off burning from the first combustion chamber 621 of the first combustion heater 62, and hot waste gas becomes the relatively low low temperature waste gas of temperature by exhaust gas fan 666 discharges of gas reversing system 66 through the first heat storage 623 absorbing and cooling temperatures of the first combustion heater 62;

(3), (1), (2) step alternate cycles is carried out;

(4) in like manner, the 3rd combustion chamber 681 of the 3rd combustion heater 68 of internal combustion heating unit 67 and the burning of the 4th combustion heater 69 are with above (1), (2), (3) identical;

(5) waste gas after purified gas burning in the 3rd combustion heater 68 of the first combustion heater 62, the second combustion heater 60 and the internal combustion heating unit 67 of outer gas-operated thermal bath facility 64, the 4th combustion heater 69 is introduced to quenching exhaust gas fan 75 by exhaust gas fan 666, because the waste gas after gas-fired naturally becomes the relatively low low temperature waste gas of temperature respectively after corresponding heat storage heat absorption;

(6) utilize quenching exhaust gas fan 75 that low temperature waste gas is passed through to blast pipe 761 successively, the dry circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dry pipe 77 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. blasts in wind assembling set Room 74, low temperature waste gas converges in wind assembling set Room 74, because wind assembling set 74 adopts unique structure, the blast cap 78 at top is semisphere, middle part chamber is inversed taper platform shape structure, so low temperature waste gas can be from lower openings 79 blowout and going out, be blown in low temperature coke quencher 72, upwards seal in again high temperature coke quencher 71, the high temperature coke quencher coke of 71 neutralizations from the 71Luo Xiang of high temperature coke quencher low temperature coke quencher 72 lowered the temperature, this example adopts air-cooled form STRENGTH ON COKE to lower the temperature, therefore be referred to as dry putting out,

(7) in addition, this example is dry to be put out device 7 and also can produce a certain amount of high-temperature combustible gas body dry in putting out process, because, in one, low temperature waste gas, contain the high temperature coke that a small amount of moisture content runs into after burnt upgrading chemical reaction can occur, produce some inflammable gass; Also there is the not clean-burning inflammable gas of part in low temperature waste gas itself two; Three, the residual a part of inflammable gas also of the high temperature coke after burnt upgrading itself, these inflammable gass upwards enter the high temperature combustible exhaust gas passage 653 at ringwall 652 middle parts, Huo Gong center, thereby source of the gas are provided to the major and minor quirk 636,637 of the internal combustion heating unit 67 of coal heat decomposition stove.

In addition, as shown in figure 25, 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 electrical connection between valve 70 of the discharging of the coke, realize purified gas burning and dry automatic control of putting out.

Claims (1)

1. dry the putting out of combustion exhaust produces a flammable high-temp waste gas method, it is characterized in that: the equipment that the method relates generally to comprises outer gas-operated thermal bath facility, the dry device that puts out, and also comprises the 3rd combustion heater, the 4th combustion heater of internal combustion heating unit; Described outer gas-operated thermal bath facility, is positioned at pyrolysis of coal body of heater middle part and is centered around coking chamber exterior wall surrounding, comprises one group of above identical the first combustion heater of structure, the second combustion heater and gas reversing system; The described dry device that puts out, is arranged in pyrolysis of coal furnace chamber and is positioned at coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below, comprises high temperature coke quencher, low temperature coke quencher, quenching bridge bow, quenching exhaust gas fan; One group of above identical the 3rd combustion heater, the 4th combustion heater of structure of described internal combustion heating unit communicates with gas reversing system, the exhaust gas fan of described gas reversing system is connected with the dry quenching exhaust gas fan that puts out device by pipeline, and present method performing step is:

(1), air, purified gas burning are sent in the first combustion chamber of the first combustion heater of the outside gas-operated thermal bath facility of gas reversing system, the heat heating that air is discharged by the first heat storage becomes the gas-fired in combustion-supporting the first combustion chamber of warm air, the hot waste gas after sucking-off burning from the second combustion chamber of the second combustion heater simultaneously, hot waste gas becomes the relatively low low temperature waste gas of temperature through the second heat storage absorbing and cooling temperature of the second combustion heater and discharges by the exhaust gas fan of gas reversing system;

(2), in like manner, air, purified gas burning are sent in the second combustion chamber of the second combustion heater of the outside gas-operated thermal bath facility of gas reversing system, and the heat heating that air is discharged by the second heat storage becomes the gas-fired in combustion-supporting the second combustion chamber of warm air; The hot waste gas after sucking-off burning from the first combustion chamber of the first combustion heater simultaneously, hot waste gas becomes the relatively low low temperature waste gas of temperature through the first heat storage absorbing and cooling temperature of the first combustion heater and discharges by the exhaust gas fan of gas reversing system;

(3), (1), (2) step alternate cycles is carried out;

(4) in like manner, the 3rd combustion heater of internal combustion heating unit and the burning of the 4th combustion heater are with above (1), (2), (3) identical;

(5) by naturally becoming the relatively low low temperature waste gas of temperature respectively after corresponding heat storage heat absorption after purified gas burning in the 3rd combustion heater of the first combustion heater of outer gas-operated thermal bath facility, the second combustion heater and internal combustion heating unit, the 4th combustion heater, by exhaust gas fan, introduce quenching exhaust gas fan, thereby enter dry putting out in device;

(6) thus utilize quenching exhaust gas fan by low temperature waste gas successively by dryly putting out the blast pipe of device, the dry circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dry pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. blasts in wind assembling set, low temperature waste gas converges in wind assembling set, then blowout and going out from lower openings, be blown in low temperature coke quencher, upwards sealing in the coke of the ，Dui of high temperature coke quencher high temperature coke quencher neutralization from the Luo Xiang of high temperature coke quencher low temperature coke quencher lowers the temperature again;

(7) simultaneously, low temperature waste gas produces a certain amount of high temperature combustible exhaust gas dry in putting out process, and high temperature combustible exhaust gas comprises 3 kinds, contains the high temperature coke that a small amount of moisture content runs into after burnt upgrading chemical reaction can occur in one, low temperature waste gas, produces some inflammable gass; Also there is the not clean-burning inflammable gas of part in low temperature waste gas itself two; Three, the residual a part of inflammable gas also of the high temperature coke after burnt upgrading itself.

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