CN202808699U - Low metamorphic soft coal pyrolyzing furnace - Google Patents

Abstract

The utility model discloses a low metamorphic soft coal pyrolyzing furnace comprising a furnace body, a coaling device, a coal pyrolyzing carbonization device, a coke modification device, a dry quenching device and a crude gas out-guiding device. The coaling device, the coal pyrolyzing carbonization device, the coke modification device and the dry quenching device are integrally formed from top to bottom on the furnace body. By use of the low metamorphic soft coal pyrolyzing furnace, uninterrupted high-temperature pyrolysis of the low metamorphic soft coal can be realized, meanwhile clean gas which is formed by chemical recovery and purification of crude gas generated in the process of high-temperature pyrolysis is utilized for burning, low-temperature waste gas which is formed by heat accumulation and heat exchange of waste gas which does not burn thoroughly is utilized for carrying out dry quenching temperature reduction on 'anthracite culm' generated by high-temperature pyrolysis, then high-temperature burnable waste gas generated in the process of dry quenching is subjected to air supply burning, and high-temperature hot waste gas after the air supply burning is utilized for pre-heating and drying the low metamorphic soft coal before the low metamorphic soft coal enters the furnace. Therefore the low metamorphic soft coal pyrolyzing furnace does not consume external energy fundamentally, thus the production cost is saved.

Description

A kind of lower-grade metamorphic bituminous coal heat decomposition stove

Technical field

The utility model relates to a kind of coal heat decomposition stove, and is particularly a kind of to lower-grade metamorphic bituminous coal, charing, upgrading, the dried coal heat decomposition stove that puts out one.

Background technology

Studies show that, the coal of China is from forming the age, maximum with the Jurassic Coal reserves, account for 45% of the explored coal storage capacity of China, because the coal that these epoch form is except the only a few hard coal, all the other great majority are brown coal, long-flame coal, non caking coal, weakly caking coals etc. are lower-grade metamorphic bituminous, lower-grade metamorphic bituminous physical property is that water content is high, volatile component height, particularly brown coal, a kind of brownish black between peat and pitch coal, lacklustre grizzle, water content is especially up to more than 40%, and containing free humic acid, chemical reactivity is strong, easily weathering in air, be difficult for storing and fortune far away, instant storage can not surpass two months, otherwise just easily ignition spontaneous combustion, stacking highly should be above two meter yet, floor space is large, and these coal mining rates are often very low.

Yet lower-grade metamorphic bituminous, brown coal are widely used in again coking, oil refining, gasification, liquefaction, the aspect such as power and chemical industry, for more good utilisation is lower-grade metamorphic bituminous, brown coal, industry is interior to lower-grade metamorphic bituminous, the coalification technique of brown coal is generally taked first to lower-grade metamorphic bituminous, brown coal dehydrate, low temperature pyrogenation method for destructive distillation again, because to grade metamorphic bituminous, brown coal dehydrate needs to consume a large amount of energy, production cost is high, and coalification by-product such as the raw gas of low temperature pyrogenation destructive distillation acquisition, tar is also relatively low, and the present stage people progressively study lower-grade metamorphic bituminous, brown coal carry out high temperature pyrolysis technique.

The inventor is for a long time to lower-grade metamorphic bituminous, the physical property of brown coal and the research of high-temperature coal pyrolytic process, innovation one cover brand-new to lower-grade metamorphic bituminous, brown coal dehydrate and high temperature pyrolysis technique and device.

Summary of the invention

The utility model provides a kind of lower-grade metamorphic bituminous coal heat decomposition stove, this coal heat decomposition stove with pyrolysis of coal charing, upgrading, the dried process integration that puts out in the hot body of heater of same coal, so that charing, upgrading, dried putting out are able to continuous realization.

Realize that the technical scheme that above-mentioned purpose is taked is:

A kind of lower-grade metamorphic bituminous coal heat decomposition stove comprises body of heater, coal supply apparatus, pyrolysis of coal carbonizing apparatus, burnt modifying apparatus, dry coke quenching auxiliary, raw gas take-up gear; Described coal supply apparatus, pyrolysis of coal carbonizing apparatus, burnt modifying apparatus and dry coke quenching auxiliary are integrally formed from top to bottom on body of heater; Described coal supply apparatus comprises body of heater, adds coal bunker, steam discharger, primary heater unit; The upper interior portion of described body of heater forms and adds coal bunker; Described steam discharger comprises the steam outlet orifice, water vapor hole is ganged up pipeline, the steam conduit, the water of condensation collection channel, described steam outlet orifice is arranged on the furnace body wall all around that adds coal bunker, water vapor hole is ganged up pipeline and is vertically being become row to be serially connected the steam outlet orifice, the steam conduit is arranged on the top that water vapor hole is ganged up pipeline, the water vapor hole of ordered series of numbers is ganged up conduit upper to be pooled together and is beneficial to steam discharging, the water of condensation collection channel is arranged on the bottom that water vapor hole is ganged up pipeline, the water vapor hole of ordered series of numbers is ganged up the pipeline bottom pool together and be beneficial to condensed water elimination; Described primary heater unit is located at and is added the coal bunker below, primary heater unit comprises body of heater, exhaust air chamber, at least one above heating by the exhaust gases passage, at least more than one preheater, at least more than one preheating chamber, waste gas is assembled circuit, in described body of heater is divided into herein, in, outer three layers of body of wall, the internal layer body of wall forms exhaust air chamber, the bottom of exhaust air chamber is provided with the hot waste gas admission passage, form waste gas between middle level body of wall and the outer body of wall and assemble circuit, assemble circuit at waste gas and be provided with the waste gas primary outlet, in the heating by the exhaust gases passage passes, the middle level body of wall is assembled circuit with exhaust air chamber and waste gas and is communicated with, and will be separated into several preheating chambers between internal layer body of wall and the middle level body of wall, described preheater places respectively two adjacent preheating chambers, the preheater intermediate formation is crossed the coal preheating channel, communicates bottom crossing coal preheating channel top and adding coal bunker; Described pyrolysis of coal carbonizing apparatus is arranged on the body of heater middle part, comprises that mainly coking chamber, outer combustion gas heating unit, internal combustion heating unit, quirk bow consist of; Coking chamber is positioned at quirk bow top and consists of an annulus by the inside and outside ringwall of fire-resistant thermally conductive material, being centered around coking chamber exterior wall ring periphery is outer combustion gas heating unit, wherein main one group of above identical first combustion heater of structure of outer combustion gas heating unit and the second combustion heater and gas reversing system consist of, be the internal combustion heating unit in the ringwall ring in the coking chamber, the 3rd combustion heater that the main one group of above structure of internal combustion heating unit is identical and the 4th combustion heater and quenching waste gas heater consist of; The coal preheating channel bottom of crossing of described preheater communicates with the coking chamber of coal heat decomposition stove; Described burnt modifying apparatus is arranged at and is positioned in the body of heater furnace chamber on the quirk bow, burnt upgrading chamber is formed at the bottom that comprises coking chamber, the main internal-quirk bottom of internal combustion heating unit, the secondary internal-quirk of hypomere, the center ring circummure of internal combustion heating unit becomes the bottom of the high temperature combustible exhaust gas admission passage of centre channel, ringwall bottom, center is provided with and connects high temperature combustible exhaust gas admission passage and main internal-quirk, the combustible exhaust gas of the secondary internal-quirk of hypomere enters the hole, described dry coke quenching auxiliary arranges pyrolysis of coal furnace chamber meta in coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below comprise high temperature coke quencher, low temperature coke quencher, quenching bridge bow, the quenching exhaust gas fan; Described high temperature coke quencher is arranged on the below of quirk bow, and the top of high temperature coke quencher communicates with high temperature combustible exhaust gas passage; Described quenching bridge bow is arranged on and comprises bridge bow, wind assembling set, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. between high temperature coke quencher and the low temperature coke quencher, bridge bow more than at least one is partitioned at an angle spoke shape with high temperature coke quencher and low temperature coke quencher axle center and arranges in the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., bridge bow middle part forms wind assembling set, wind assembling set be one straight through up big and down small inversed taper platform shape chamber, the top of wind assembling set is provided with the semisphere blast cap, and the lower openings of wind assembling set is towards low temperature coke quencher; The dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is arranged in the bridge bow, and the dried Guan Yiduan of relieving dizziness, high fever, infantile convulsions, epilepsy, etc. leads to wind assembling set, and the other end leads to the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., and the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. links by blast pipe and quenching exhaust gas fan; The bottom opening place of described low temperature coke quencher is provided with the valve that discharges of the coke; Described raw gas take-up gear comprises raw gas concentration chamber, interior derivation passage, and circuit is derived in outer derivation passage, derivation main channel; It is integrally formed that described raw gas concentration chamber is arranged on top and the coking chamber of coking chamber of coal heat decomposition stove; In the described interior derivation channel setting quirk partition wall, the interior ringwall that interior derivation feeder connection passes coking chamber leads to coking chamber, and interior derivation channel outlet is passed the raw gas concentration chamber that interior ringwall leads to the coking chamber top; In the exterior wall of described outer derivation channel setting body of heater, comprise lower outside derivation feeder connection, upper outside derivation feeder connection, the outer ring wall that described lower outside derivation feeder connection, upper outside derivation feeder connection pass coking chamber leads to coking chamber, and outer derivation channel outlet is passed the raw gas concentration chamber that outer ring wall leads to the coking chamber top; Described derivation main channel is arranged in the exterior wall of body of heater of coal heat decomposition stove, derives the main channel entrance and communicates with the raw gas concentration chamber and extend up in the exterior wall top derivation circuit that body of heater is set again, and described derivation circuit arranges a raw gas export mouth.

Preferably, the body of heater of crossing coal preheating channel bottom of described preheater is provided with the intermediate regulations coal bunker, crosses coal preheating channel bottom and communicates with the intermediate regulations coal bunker, and the intermediate regulations coal bunker communicates with the coking chamber of coal heat decomposition stove by the blanking breeching.

Preferably, the first combustion heater of described outer combustion gas heating unit comprises the first combustion chamber, the first coal gas enters arm and the first regenerative heat exchanger, the first combustion chamber becomes the gas-fired quirk of relative closure, the first coal gas enters arm and leads to bottom, the first combustion chamber, the first regenerative heat exchanger comprises the first accumulation of heat chamber, the first heat storage, the first air enters arm and the first combustion exhaust exhaust outlet, the first accumulation of heat chamber is arranged in the body of heater exterior wall, the first heat storage arranges in the first accumulation of heat chamber, the first accumulation of heat chamber one end leads to bottom, the first combustion chamber, and the other end is connected to respectively the first air and enters arm and the first combustion exhaust exhaust outlet; Described the second combustion heater comprises that the second combustion chamber, the second coal gas enter arm and the second regenerative heat exchanger, the second coal gas enters arm and leads to bottom, the second combustion chamber, the second regenerative heat exchanger comprises that the second accumulation of heat chamber, the second heat storage, the second air enter arm and the second combustion exhaust exhaust outlet, the second accumulation of heat chamber also is arranged in the body of heater exterior wall, the second heat storage arranges in the second accumulation of heat chamber, the second accumulation of heat chamber one end leads to bottom, the second combustion chamber, and the other end is connected to respectively the second air and enters arm and the second combustion exhaust exhaust outlet; Be provided with the combustion chamber through hole between described the first combustion chamber and the second combustion chamber; Described gas reversing system comprises dish, lower wall, rotation reversing motor, air blower, gas fan, exhaust gas fan, described lower wall is connected to respectively an air supervisor and the first air is in charge of, the second air is in charge of, coal gas supervisor and the first gas manifold, the second gas manifold, combustion exhaust supervisor and the second combustion exhaust is in charge of, the first combustion exhaust is in charge of, wherein, the second combustion exhaust is in charge of to be in charge of to be in charge of with the first air with the first combustion exhaust and is in charge of with the second air and the setting of the first gas manifold and the second gas manifold is just exchanged; Described upper dish rotates and is fitted in the lower wall top, and upper dish respectively correspondence is provided with air pipe connecting, coal gas pipe connecting, combustion exhaust pipe connecting, and described rotation reversing motor and upper dish are in transmission connection, dish reciprocating rotation on lower wall in the drive; Wherein, described the first air is in charge of and is entered arm with the first air and connect, and simultaneously, described the first gas manifold and the first coal gas enter arm and connects, and meanwhile, described the first combustion exhaust is in charge of with the first combustion exhaust exhaust outlet and is connected; In like manner, the second air is in charge of and is entered arm with the second air and connect, and simultaneously, the second coal gas bustle pipe enters arm with the second gas manifold and the second coal gas and connects, and meanwhile, the second combustion exhaust is in charge of with the second combustion exhaust exhaust outlet and is connected.

Preferably, the quenching waste gas heater of described internal combustion heating unit comprises that internal-quirk, air mend pipe, blowdown pipe, secondary air compensating pipe, tonifying Qi circuit, center ringwall, internal-quirk partition wall, centre channel, described internal-quirk mainly by ringwall in the coking chamber with the center ringwall that is positioned at the coking chamber ringwall and at least the internal-quirk partition wall be divided into main internal-quirk arranged side by side more than at least one group, secondary internal-quirk; Shutoff dividing plate, lower shutoff dividing plate are set in the described secondary internal-quirk, secondary internal-quirk is divided into upper, middle and lower segment, be the secondary internal-quirk of epimere, the secondary internal-quirk in stage casing, the secondary internal-quirk of hypomere, be provided with waste gas on the quirk partition wall between the secondary internal-quirk of described epimere and the main internal-quirk and gang up the hole, the hot waste gas exhaust channel is offered at the secondary internal-quirk of epimere and main internal-quirk top, on the quirk partition wall between the secondary internal-quirk of described hypomere and the main internal-quirk quirk is set and gangs up the hole; Described center ring circummure becomes centre channel, with the concordant place of upper shutoff dividing plate one channel partition is set in the centre channel, centre channel is separated into, lower two portions, be that the formation buffer zone is divided on top, formation high temperature combustible exhaust gas admission passage is divided in the bottom, 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 enters the hole, 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 enters the hole, described tonifying Qi circuit is arranged on the body of heater exterior wall, described air is mended pipe and tonifying Qi circuit UNICOM, a described blowdown pipe, secondary air compensating pipe and tonifying Qi circuit UNICOM, below the bar bow of quirk bow, pass to extend upwardly to and leading, quirk partition wall between the secondary internal-quirk is inner, the outlet of a blowdown pipe is positioned at below the lower shutoff dividing plate, lead to respectively the secondary internal-quirk of main internal-quirk and hypomere, main internal-quirk is led in the secondary air compensating outlet of secondary air compensating pipe; The secondary internal-quirk in described stage casing forms the independent gas combustion chamber of relative closure, the secondary internal-quirk in a upper stage casing connects into relevant one group with the secondary internal-quirk in next bar stage casing of next-door neighbour by chamber passage, chamber passage below upper shutoff dividing plate and from pass the main internal-quirk between next bar stage casing pair internal-quirk of the secondary internal-quirk in stage casing and next-door neighbour, described the 3rd combustion heater comprises the 3rd combustion chamber, the 3rd air enters arm, the 3rd coal gas enters arm, the 3rd accumulation of heat chamber, the 3rd heat storage, the 3rd air enters arm and the 3rd combustion exhaust exhaust outlet, described the 3rd combustion chamber is the secondary internal-quirk in stage casing, described the 3rd coal gas enters arm and passes to extend upward through quirk partition wall inside from the bar bow below of quirk bow and lead to the 3rd combustion chamber, it is the secondary internal-quirk in stage casing, the 3rd accumulation of heat chamber is arranged on the body of heater of bar bow below, the 3rd heat storage places the 3rd accumulation of heat chamber, the 3rd accumulation of heat chamber one end passes to extend upward through quirk partition wall inside from the below of the bar bow of quirk bow by the extension passage and leads to bottom, the 3rd combustion chamber, and the 3rd accumulation of heat chamber the other end is connected to respectively the 3rd air and enters arm and the 3rd combustion exhaust exhaust outlet; In like manner, the 4th burning heater structure is identical with the 3rd burner, and wherein the 4th combustion chamber is connected by chamber passage with the 3rd combustion chamber and consisted of related one group.

Preferably, described outer combustion gas heating unit mainly is divided into the heating of upper, middle and lower segment formula, and every section has many group identical the first combustion heaters of structure and the second combustion heater to consist of.

The utility model is with the pyrolysis of coal coal, charing, upgrading, the dried process integration that puts out is in same pyrolysis of coal body of heater, can realize uninterruptedly to the lower-grade metamorphic bituminous high temperature pyrolysis that carries out, utilize simultaneously the purified gas after the raw gas that produces in the high temperature pyrolysis process purifies through recovery of chemical products to burn, the low temperature waste gas of waste gas through becoming behind the regenerative heat exchange after the abundant perfect combustion of utilization, utilize the incombustibility of combustion exhaust own to replace existing " smokeless char " that become that uses inert nitrogen that high temperature pyrolysis is finished to carry out the dried cooling of putting out, again the dried high temperature combustible exhaust gas that produces in the process that puts out is carried out again tonifying Qi burning, high temperature hot waste gas after the tonifying Qi burning is used for to entering the lower-grade metamorphic bituminous preheating and drying that carries out of stokehold, so the utility model is at the pyrolysis of coal coal, charing, upgrading, the dried technique of putting out does not need to consume the external energy substantially, and production cost is saved.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is the related hot waste gas dewatering unit cross-sectional schematic one of the utility model;

Fig. 2 is the related hot waste gas dewatering unit cross-sectional schematic two of the utility model;

Fig. 3 is k-k place schematic cross-section among Fig. 1;

Fig. 4 is p-p place schematic cross-section among Fig. 1;

Fig. 5 is j-j place schematic cross-section among Fig. 1;

Fig. 6 is the sectional view of coal supply apparatus of the present utility model;

Fig. 7 is a-a place schematic cross-section among Fig. 6;

Fig. 8 is b-b place sectional view among Fig. 6;

Fig. 9 is d-d place sectional view among Fig. 6;

Figure 10 is that coal supply apparatus of the present utility model and hot waste gas dewatering unit form synoptic diagram;

Figure 11 is F place enlarged view among Figure 25;

Figure 12 is x-x place sectional view among Figure 11;

Figure 13 is gas reverser synoptic diagram of the present utility model;

Figure 14 is gas reverser upper lower burrs synoptic diagram of the present utility model;

Figure 15 is c-c place cross-sectional schematic among Figure 14;

Figure 15-the 1st, gas reverser of the present utility model and combustion heater pipe network connection diagram;

Figure 16 is z-z place schematic cross-section among Figure 21;

Figure 17 is w-w place schematic cross-section among Figure 21;

Figure 18 is 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 heat decomposition stove of the present utility model;

Figure 20 is the utility model quirk bow synoptic diagram (t-t place sectional view among Figure 21);

Figure 21 is pyrolysis of coal carbonizing apparatus synoptic diagram of the present utility model (E place enlarged view among Figure 25);

Figure 22 is dry coke quenching auxiliary synoptic diagram of the present utility model (H place enlarged view among Figure 25);

Figure 23 quenching bridge bow of the present utility model synoptic diagram;

Figure 24 is industry control central electrical connection diagram of the present utility model;

Figure 25 is coal heat decomposition stove general illustration of the present utility model;

Figure 26 is raw gas take-up gear synoptic diagram of the present utility model (G place enlarged view among Figure 25).

Embodiment

The specific embodiment of a kind of lower-grade metamorphic bituminous coal heat decomposition stove of the utility model is mainly introduced in detail following.

The granularity control that first part is lower-grade metamorphic bituminous

Before dehydrating, lower-grade metamorphic bituminous, brown coal can choose mixing coal charge between 0～60mm by the granularity controller, studies show that, in this size range, lower-grade metamorphic bituminous, brown coal are dehydrated, fully dry, dewatering efficiency is high, but this does not consist of the restriction of the utility model to needed lower-grade metamorphic bituminous, brown coal, the utility model to granularity greater than 60mm lower-grade metamorphic bituminous, brown coal are applicable equally.

The lower-grade metamorphic bituminous dehydration of second section

As shown in Figure 1 and Figure 2: lower-grade metamorphic bituminous hot waste gas dewatering unit 1 comprises housing 11, water evaporation discharger 12, waste gas heat exchange water trap 13, lower coal bunker 14; Be formed for the cavity 111 of coal drying in the housing 11, cavity 111 top relative closures only are provided with coal inlet 112, and lower coal bunker 14 is arranged on housing 11 bottoms and communicates with cavity 112.

Such as Fig. 1, Fig. 2, shown in Figure 3: water evaporation discharger 12 comprises water vapor outlet orifice 121, pipeline 122 is ganged up in the water vapor hole, water vapor conduit 123, condensation water collection pipeline 124, several water vapor outlet orifices 121 arrange on the wall that is arranged on housing 11 tops in length and breadth by rule, wherein the water vapor hole is ganged up pipeline 122 and vertically 121 one-tenth row of water vapor outlet orifice is being serially connected, water vapor conduit 123 is arranged on the top that pipeline 122 is ganged up in the water vapor hole, pipeline 122 tops are ganged up in the water vapor hole of ordered series of numbers to be pooled together and is beneficial to water vapor discharging, condensation water collection pipeline 124 is arranged on the bottom that pipeline 122 is ganged up in the water vapor hole, pipeline 122 bottoms is ganged up in the water vapor hole of ordered series of numbers pooled together and be beneficial to condensed water elimination.

Such as Fig. 1, Fig. 2, shown in Figure 4, waste gas heat exchange water trap 13 comprises hot waste gas admission passage 131, hot waste gas surge chamber 132, radiating pipe 133, radiating pipe serial connection passage 134, waste gas transition passage 135, low temperature waste gas exhaust channel 136; Hot waste gas admission passage 131 is arranged on the middle and upper part wall of housing 11, in order to reserve lower-grade metamorphic bituminous advance coal and water vapor Free up Memory on cavity 111 tops of housing 11, hot waste gas surge chamber 132 also is arranged on the ingress wall of hot waste gas admission passage 131, mainly avoid the high temperature hot waste gas directly to come in to impact radiating pipe 133 and radiating pipe serial connection passage 134, also can allow simultaneously hot waste gas evenly enter in radiating pipe serial connection passage 134 and the radiating pipe 133, radiating pipe serial connection passage 134 adopts metallic substance to make the internal cavities 111 that passes across housing 11, hot waste gas surge chamber 132 and waste gas transition passage 135 are connected together, several radiating pipes 133 also adopt metallic substance to make the interval and are connected to and be connected in seriess passage 134 perforations on the radiating pipe serial connection passage 134 and with radiating pipe, and low temperature waste gas exhaust channel 136 is arranged on the bottom wall of housing 11 and communicates with waste gas transition passage 135.

Such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, housing 11 squarelys, water evaporation discharger 12 also comprises water vapor connecting tube 125 and water of condensation connecting tube 126,121 one-tenth row of water vapor outlet orifice are arranged in two relative walls on housing 11 tops, such as front face 113, rear surface 114, water vapor connecting tube 125 is with front face 113, water vapor conduit 125 in the rear surface 114 is serially connected, be beneficial to the concentrated discharging of water vapor, water of condensation connecting tube 126 is with front face 113, and the condensation water collection pipeline 124 in the rear surface 114 is serially connected, and is beneficial to the concentrated discharging of water of condensation.

Such as Fig. 1, Fig. 2, Fig. 4, shown in Figure 5, lower-grade metamorphic bituminously in the cavity 111 of housing 11, fully dehydrate in order to allow, particularly for the large brown coal of water content, need to allow brown coal that the cavity 111 of housing 11 is stopped the long period, fully dehydration, so the height design of housing is very high, these will be to the multistage long-time dehydrations of group more than lower-grade metamorphic bituminous the carrying out, so waste gas transition passage 135 at least more than one, radiating pipe serial connection passage 134 is also more than at least one, hot waste gas surge chamber 132 and first waste gas transition passage 1351 are separately positioned on two relative walls of housing, such as Fig. 1, shown in Figure 4, hot waste gas surge chamber 132 is arranged on the left wall 115, first waste gas transition passage 1351 is arranged on the right wall 116, many radiating pipe serial connection passage 134 is connected together hot waste gas surge chamber 132 and first waste gas transition passage 1351, such as Fig. 1, shown in Figure 5, the second waste gas transition passage 1352 is arranged on hot waste gas surge chamber 132 with relative with first waste gas transition passage 1351 on the left wall 115 of side-lower, many radiating pipe serial connection passage 134 is connected together first waste gas transition passage 1351 and second waste gas transition passage 1352, it is 1353 relative with second waste gas transition passage 1352 on the right wall 116 of side-lower at first waste gas transition passage 1351 that the 3rd waste gas transition passage arranges, many radiating pipe serial connection passage 134 is connected together second waste gas transition passage 1352 and the 3rd waste gas transition passage 1353, the rest may be inferred, and low temperature waste gas exhaust channel 136 communicates with last waste gas transition passage 1354.

Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, radiating pipe 133 is " U " type, radiating pipe serial connection passage is more than 134 at least one, several U-shaped radiating pipes 133 end wherein is connected in series passage 134 with a upper radiating pipe and connects, the other end of U-shaped radiating pipe 133 is connected in series passage 134 and connects with adjacent next bar radiating pipe, one end 1341 of upper radiating pipe serial connection passage 134 communicates with hot waste gas surge chamber 132 and the other end 1342 sealings, one end, 1341 sealings of next bar radiating pipe serial connection passage 134 and the other end 1342 communicates with the first waste gas transition passage 1351, in like manner, between the first waste gas transition passage 1351 and the second waste gas transition passage 1352, an end 1342 that also is upper radiating pipe serial connection passage 134 communicates with the first waste gas transition passage 1351 and the other end 1341 sealings, one end, 1342 sealings of next bar radiating pipe serial connection passage 134 and the other end 1341 communicates with the second waste gas transition passage 1352, the rest may be inferred.

Such as Fig. 1, shown in Figure 2, the two rows that are of U-shaped radiating pipe 133 are arranged, the U-shaped radiating pipe 133 of a upper row is inverted U, the U-shaped mouthful of U-shaped mouth with the U-shaped radiating pipe 133 of next row of the U-shaped radiating pipe 133 of a upper row is relative, in order to be beneficial to lower-grade metamorphic bituminous coal breakage, the top that the U-shaped radiating pipe 133 of a described upper row is inverted U is wedge 1331, the U-shaped radiating pipe 133 of a upper row is connected in series the outside of passage 134 junctions and also is arranged to inclined-plane 1333 with radiating pipe, radiating pipe serial connection passage 134 upper surfaces that are connected with the U-shaped radiating pipe 133 of next row also are arranged to inclined-plane 1334, and the U-shaped inner bay place of the U-shaped radiating pipe 133 of next row is wedge 1332.

The dewatering of the hot waste gas dewatering unit that this is lower-grade metamorphic bituminous is:

(1), use an enclosed belt conveyer 10 (to refer to the transfer roller that belt covered with its circumferential closed barrel-shaped casing of a both ends open, prevent lower-grade metamorphic bituminous being scattered, keep the Working environment neat and tidy) with the lower-grade metamorphic bituminous cavity 111 that from coal inlet 112, enters into housing 11;

(2), the dried hot waste gas that produces after the again burning that puts out of the simultaneously purified gas burning after the raw gas recovery of chemical products behind the lower-grade metamorphic bituminous high temperature pyrolysis is purified passes into the hot waste gas surge chamber 132 from hot waste gas admission passage 131, flow into lower-grade metamorphic bituminous the carry out dewatered drying large to water content in the radiating pipe 133 by radiating pipe serial connection passage 134 again, hot waste gas reduces through heat-exchange temperature simultaneously, and last Low Temperature Thermal waste gas is discharged from low temperature waste gas exhaust channel 136 by waste gas transition passage 135;

(3), lower-grade metamorphic bituminous in the cavity of housing 11 during through radiating pipe 133 heated baking, water in lower-grade metamorphic bituminous will evaporate in a large number, water vapor will enter the water vapor outlet orifice 121 from the top of the cavity 111 of housing 11, flowing into the water vapor hole gangs up in the pipeline 122 again, the water vapor of high temperature is ganged up pipeline 122 and is upwards sealed in the water vapor conduit 123 and pool together discharging from the water vapor hole, the be cooled water vapor of cooling of some becomes behind the water of condensation and to gang up pipeline 122 from the water vapor hole and flow into the condensation water collection pipelines 124 downwards and pool together discharging.

(4), the lower-grade metamorphic bituminous lower coal bunker 14 that falls at last housing 11 bottoms after dehydrating, constantly lower-grade metamorphic bituminously deliver to next high temperature pyrolysis operation with what dehydrate in the lower coal bunker 14 by transfer roller, from and by the continuous coal to the cavity of housing 11 of enclosed belt conveyer, realize continuously dry to lower-grade metamorphic bituminous continuously dehydrating.

Wherein, (2) step more was refined as, the dried hot waste gas that produces after the again burning that puts out of the simultaneously purified gas burning after the raw gas recovery of chemical products behind the lower-grade metamorphic bituminous high temperature pyrolysis is purified passes into the hot waste gas surge chamber 132 from hot waste gas admission passage 131, be connected in series passage 134 from the radiating pipe with 132 connections of hot waste gas surge chamber again and flow into the lower-grade metamorphic bituminous dewatered drying that carries out large to water content the U-shaped radiating pipe 133, hot waste gas reduces through heat-exchange temperature simultaneously, being connected in series passage 134 from another radiating pipe with U-shaped radiating pipe 133 connections again flows into first waste gas transition passages 1351, enter second waste gas transition passage 1352 from first waste gas transition passage 1351 more according to this, in the 3rd the waste gas transition passage 1353, discharge from connecting the low temperature waste gas exhaust channel 136 with last waste gas transition passage 1354.

For the tail gas that the neat and tidy that keeps environment is discharged from low temperature waste gas exhaust channel 136 is processed rear qualified discharge by existing gas emission device 16 (reaching " water smoke " such as " water pipe ").

Wherein (3) more be refined as, lower-grade metamorphic bituminous in the cavity of housing 11 during through radiating pipe 133 heated baking, water in lower-grade metamorphic bituminous will evaporate in a large number, water vapor will enter the water vapor outlet orifice 121 from the top of the cavity 111 of housing 11, flowing into the water vapor hole gangs up in the pipeline 122 again, the water vapor of high temperature is ganged up pipeline 122 and is upwards sealed in the water vapor conduit 123 from the water vapor hole, water vapor conduit 125 is compiled the water vapor in two water vapor conduit 123 and has been unified discharging, the be cooled water vapor of cooling of some becomes and gangs up pipeline 122 from the water vapor hole behind the water of condensation and flow into downwards the condensation water collection pipelines 124, and water of condensation connecting tube 126 compiles the water of condensation in two condensation water collection pipelines 124 and unify to discharge.

The principle of the hot waste gas dewatering unit that this is lower-grade metamorphic bituminous is the raw gas that utilizes lower-grade metamorphic bituminous high temperature pyrolysis to produce, this raw gas becomes purified gas after purifying recovery through recovery of chemical products, first purified gas is burnt, the smokeless char that waste gas after the recycling purified gas burning forms after to lower-grade metamorphic bituminous high temperature pyrolysis carries out the dried cooling of putting out, again to dried more further tonifying Qi burning of high temperature hot waste gas of putting out after the cooling, hot waste gas after the recycling tonifying Qi burning is to after dewatering, entering stove carries out after lower-grade metamorphic bituminous before the high temperature pyrolysis carry out preheating, the hot waste gas that is used in after the preheating comes large lower-grade metamorphic bituminous the carrying out of water content just dehydrated, so do not need to increase extra energy consumption, reach energy-saving and cost-reducing, cost-effective purpose, and dehydrating effect is good, and the lower-grade metamorphic bituminous water content after the dehydration is controlled at about 5%.

Lower-grade metamorphic bituminous coal after the third part dehydration

Temperature generally can be down to normal temperature after lower-grade metamorphic bituminous process after the dehydration was carried, particularly winter temperature is lower, temperature may be lower, more suitable but but the lower-grade metamorphic bituminous temperature of wishing to enter stove during high temperature pyrolysis coking remains between 200 ℃ to 300 ℃, so need to lower-grade metamorphic bituminously before entering the coking chamber of coal heat decomposition stove, carry out preheating to what enter stove.

Such as Fig. 6, Fig. 9, shown in Figure 10, lower-grade metamorphic bituminous coal supply apparatus 3 is arranged on lower-grade metamorphic bituminous coal heat decomposition stove 9 tops, comprises body of heater 91, adds coal bunker 31, steam discharger 32, primary heater unit 39; The upper interior portion of described body of heater 91 forms and adds coal bunker 31; Described steam discharger 32 comprises steam outlet orifice 321, water vapor hole is ganged up pipeline 322, steam conduit 323, water of condensation collection channel 324, described steam outlet orifice 321 is arranged on the body of heater 91 all around that adds coal bunker 31, water vapor hole is ganged up pipeline 322 and vertically 321 one-tenth row of steam outlet orifice is being serially connected, steam conduit 323 is arranged on the top that water vapor hole is ganged up pipeline 322, the water vapor hole of ordered series of numbers is ganged up pipeline 322 tops to be pooled together and is beneficial to steam discharging, water of condensation collection channel 324 is arranged on the bottom that water vapor hole is ganged up pipeline 322, the water vapor hole of ordered series of numbers is ganged up pipeline 322 bottoms pool together and be beneficial to condensed water elimination.

Such as Fig. 6, shown in Figure 10: primary heater unit 39 place into device for coal 3 add coal bunker 31 belows, primary heater unit 39 is positioned at the top of coal heat decomposition stove 9.

Such as Fig. 6, Fig. 7, shown in Figure 8, primary heater unit 39 mainly includes body of heater 91, exhaust air chamber 391, at least one above heating by the exhaust gases passage 392, at least more than one preheater 393, and at least more than one preheating chamber 394, waste gas are assembled circuit 395.

Such as Fig. 6, Fig. 7, shown in Figure 8, body of heater 91 adopts refractory materials to be built into, its profile is rounded to be beneficial to the space priorization, what a circle formed at the top of body of heater 91 adds coal bunker 31, the steam outlet orifice 321 of steam discharger 32 is arranged on annular body of heater 91 walls all around that add coal bunker 31, and steam conduit 323 also becomes corresponding circulating line with water of condensation collection channel 324.Body of heater 91 is in primary heater unit 39 punishment are, in, outer three layers of body of wall 913,912,911 (such as Fig. 7, shown in Figure 8), internal layer body of wall 913 forms exhaust air chamber 391, the bottom of exhaust air chamber 391 is provided with hot waste gas admission passage 3911,911 of middle level body of wall 912 and outer body of wall form waste gas and assemble circuit 395, assemble circuit 395 at waste gas and be provided with waste gas primary outlet 3951, in heating by the exhaust gases passage 392 passes, middle level body of wall 913,912 assemble circuit 395 with exhaust air chamber 391 and waste gas is communicated with, and will be separated into several preheating chambers 394 between internal layer body of wall 913 and the middle level body of wall 912 (such as Fig. 7, shown in Figure 8, this example has 8 heating by the exhaust gases passages 392 will be separated out 8 preheating chambers 394), preheater 393 places respectively two adjacent preheating chambers 394; Such as Fig. 6, shown in Figure 7, the bottom that the entrance 3921 of heating by the exhaust gases passage 392 is positioned at exhaust air chamber 391 is communicated with exhaust air chamber 391 bottoms with the bottom of preheating chamber 394, and the top that the outlet 3922 of heating by the exhaust gases passage 392 is positioned at preheating chamber 394 with the top of preheating chamber 394 with place this place's waste gas to assemble circuit 395 to communicate, hot waste gas just enters the bottom of preheating chamber 394 from exhaust air chamber 391 bottoms like this, the string that makes progress in preheating chamber 394 again enters waste gas to be assembled in the circuit 395 to preheating chamber 394 tops, can be more effectively to preheater 393 transferring heats.

Such as Fig. 6, Fig. 7, Fig. 8, shown in Figure 10: preheater 393 is cylindricality, comprise preheating skin 3933, preheating internal layer 3932, cross coal preheating channel 3931, preheating internal layer 3932 intermediate formation are crossed coal preheating channel 3931, cross coal preheating channel 3931 tops and add coal bunker 31 bottoms and communicate, the body of heater 91 of crossing coal preheating channel 3931 bottoms is provided with intermediate regulations coal bunker 33, crossing coal preheating channel 3931 bottoms communicates with intermediate regulations coal bunker 33, intermediate regulations coal bunker 33 communicates with the coking chamber 61 of coal heat decomposition stove 9 by blanking breeching 34, the lower-grade metamorphic bituminous coal preheating channel 3931 that fell into from add coal bunker 31 after the dehydration is heated preheating again like this, reach in the coking chamber 61 that enters coal heat decomposition stove 9 after certain temperature and carry out the high temperature pyrolysis charing, produce a small amount of steam and cross the lower-grade metamorphic bituminous meeting that is heated preheating in the coal preheating channel 3931, steam upwards enters and adds in the coal bunker 31, discharges the steam outlet orifice 321 around adding coal bunker 31 again; In intermediate regulations coal bunker 33, also may exist in addition a small amount of steam to shed, on body of heater 91 walls of intermediate regulations coal bunker 33, also offer adjusting coal bunker steam and portal 331 for a small amount of steam that discharge intermediate regulations coal bunker 33.

Such as Fig. 6, Fig. 7, Fig. 8, shown in Figure 10: fire-resistant thermally conductive material is adopted in preheating outer 3933, preheating internal layer 3932 adopts the better silicon carbide material of heat conduction heat storage performance to make, cross coal preheating channel 3931 and be arranged in preheating internal layer 3932, preheating outer 3933 adopts refractory materialss to be beneficial to high temperature hot waste gas by exhaust air chamber 394 to preheating internal layer 3932 transferring heats like this, preheating internal layer 3932 adopts the better carbofrax material of heat conduction heat storage performances to make the heat that transmits from preheating skin 3933 can be carried out accumulation of heat and stores, and reaches with this and carries out even preheating to crossing lower-grade metamorphic bituminous in the coal preheating channel 3931.

Such as Fig. 6, shown in Figure 10, 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 heat decomposition stove 9 bottoms.

The principle of work of the coal supply apparatus 3 that this is lower-grade metamorphic bituminous is:

(1), lower-grade metamorphic bituminous after the dehydration in the coal bunker 14 of hot waste gas dewatering unit 1 joined adding in the coal bunker 31 of coal supply apparatus 3 by existing transfer roller 15 (enclosed belt conveyer or bucket are carried transfer roller);

(2), hot waste gas after the burning is entered from hot waste gas admission passage 3911, entering waste gas by heating by the exhaust gases passage 392 assembles in the circuit 395, can carry out to the skin of the primary heater unit 39 between two preheating chambers 394 heat transmission, thereby to falling into the lower-grade metamorphic bituminous heating preheating of coal preheating channel 3931, the lower-grade metamorphic bituminous steam that gives out of heating preheating upwards enters and adds in the coal bunker 31, discharge the steam outlet orifice 321 around adding coal bunker 31 again, simultaneously to lower-grade metamorphic bituminous heating preheating, water evaporation can be lowered the temperature to the hot waste gas of discharging after burning from exhaust air chamber 391 again, assembles at last waste gas primary outlet 3951 discharges of circuit 395 from waste gas;

(3), the lower-grade metamorphic bituminous conduct through the heating preheating in (2) enters the stove coal, regulate in the coking chamber 61 that coal bunker 33 and blanking road 34 enter coal heat decomposition stove 9 by intermediate bin and carry out the high temperature pyrolysis charing; Discharge hot waste gas from waste gas primary outlet 3951 in (2) and communicate with the hot waste gas admission passage 131 of hot waste gas dewatering unit 1 by corresponding hot waste gas connecting tube 17, give the required hot waste gas that work is provided of hot waste gas dewatering unit 1.

Wherein more optimize a step, discharge hot waste gas from waste gas primary outlet 3951 in (2) and communicate with the hot waste gas admission passage 131 of hot waste gas dewatering unit 1 by corresponding hot waste gas connecting tube 17 again by cooling after existing tubular heat exchanger 4 heat exchange first, give the required hot waste gas that work is provided of hot waste gas dewatering unit 1.

The high temperature pyrolysis (charing heating, burnt upgrading, dry coke quenching) that the 4th part is lower-grade metamorphic bituminous

The high temperature pyrolysis charing heating that first segment is lower-grade metamorphic bituminous

As shown in figure 25, pyrolysis of coal 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 consist of; As shown in figure 12: coking chamber 61 is by in the fire-resistant thermally conductive material, outer ring wall 612,611 consist of an annulus, 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 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 consist of (seeing Figure 25), in addition, as shown in figure 25: because coking chamber 61 is highly higher, wherein outer combustion gas heating unit 64 mainly is 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 consists of.

As shown in figure 16: be internal combustion heating unit 67 in ringwall 612 rings in the coking chamber, 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.

Such as Figure 11, shown in Figure 12, described the first combustion heater 62 comprises that mainly the first combustion chamber 621, the first coal gas enter arm 622 and the first regenerative heat exchanger 624, the first coal gas and enters arm 622 and pass body of heater 91 exterior walls and lead in the first combustion chamber 621.

As shown in figure 12: 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.

Shown in Figure 11,12: 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, the first accumulation of heat chamber 626 1 ends lead to 621 bottoms, the first combustion 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 12: enter at the first air and to be provided with the first one-way air valve 629, the first one-way air valves 629 between arm 627 and the first accumulation of heat chamber 626 and to allow air to enter pipe the 627 and first accumulation of heat chamber 626 from the first air to flow into the first combustion chamber 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, discharge (certainly from the first combustion exhaust exhaust outlet 628 at last, adopt gas reversing system 66 as described below, be in charge of 6671 when air supervisor the 667 and first air and connect, air supervisor the 667 and second air is in charge of 6673 and is in cut-out; 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 and is in and is connected, and can play the effect of replacement the first one-way air valve 629 and the first unidirectional waste gas valve 620).

In like manner, as shown in figure 12: identical the second combustion heater 60 of structure comprises that mainly the second combustion chamber 601, the second coal gas enter arm 602 and the second regenerative heat exchanger 604.

As shown in figure 12: 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.

As shown in figure 12: the second coal gas enters arm 602 and passes body of heater 91 exterior walls and lead in the first combustion chamber 601.

As shown in figure 12: 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, the second accumulation of heat chamber 606 1 ends lead to 601 bottoms, the second combustion chamber, the other end is connected to respectively the second air and enters arm 607 and the second combustion exhaust exhaust outlet 608, enter at the second air and to be provided with the second one-way air valve 609, the second one-way air valves 609 between arm 607 and the second accumulation of heat chamber 606 and to allow air to enter pipe the 607 and second accumulation of heat chamber 606 from the second air to flow 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, discharge (certainly from the second combustion exhaust exhaust outlet 608 at last, adopt gas reversing system 66 as described below, being in charge of 6671 when air supervisor the 667 and first air cuts off, air supervisor the 667 and second air is in charge of 6673 and is in connection, meanwhile, combustion exhaust supervisor the 669 and first combustion exhaust is in charge of 6691 and also is connected, and corresponding combustion exhaust supervisor 669 is in charge of 6693 also mutually cut-outs with the second combustion exhaust; Can play the effect that replaces the second one-way air valve and the second unidirectional waste gas valve).

Such as Figure 11, shown in Figure 12, the top of outer quirk partition wall 625 is provided with combustion chamber through hole 6251 between the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour, combustion chamber through hole 6251 is connected the second combustion chamber 601 of the first combustion chamber 621 and next-door neighbour and is consisted of 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, as shown in figure 25; 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 segment formula, and every section has 9 groups of identical first combustion heaters 62 of structure, the second combustion heater 60 to consist of.

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

1, when the coal gas in the first combustion chamber 621 burns, purified gas after raw gas purifies through recovery of chemical products 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 described first unidirectional waste gas valve 620 is closed, after the hot waste gas that produces enters the second combustion chamber 601 by logical 6251 holes, combustion chamber, hot waste gas is during through the second heat storage 603 in the second accumulation of heat chamber 606,603 pairs of hot waste gass of the 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 the second combustion chamber 601, purified gas after raw gas purifies through recovery of chemical products 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 described second unidirectional waste gas valve 600 is closed, after hot waste gas after the gas-fired in the second combustion chamber 601 enters 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 626,623 pairs of hot waste gass of the 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 11: each also is provided with chamber temperature monitoring holes 6201 and combustion chamber spy hole 6202 on body of heater 91 exterior walls, 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 to the combustion chamber, to the assessment of pyrolysis of coal process.

As shown in figure 24: chamber temperature table 6203 links with industry control center 90, is automatically gathered the temperature data of chamber temperature table 6203 by industry control center 90.

Such as Figure 13, Figure 14, shown in Figure 15-1, 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 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 (Figure 14, shown in Figure 15-1).

Such as Figure 13,15, shown in Figure 15-1: on 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 and realizes that air supervisor 667 constantly is in charge of the 6671 and second air with the first air and is in charge of 6673 and connects 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, and combustion exhaust supervisor 669 constantly is 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 opposite with the first air).

Shown in Figure 11, Figure 15-1, 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 Figure 15-1: the first air bustle pipe 6674 is in charge of the 6671 and first air with the first air and is entered arm 627 and link up, with the first air be in charge of 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 consists of same path;

Meanwhile, the first coal gas bustle pipe 6684 enters arm 622 with 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 arm 622 and the first combustion chamber 621 consists of same path;

This moment simultaneously, the first combustion exhaust bustle pipe 6694 is the first combustion exhaust to be in charge of the 6681 and first combustion exhaust exhaust outlet 628 link up, and the first combustion exhaust is in charge of the 6681, first combustion exhaust exhaust outlet 628, the first accumulation of heat chamber 626 and the same path of combustion chamber 621 formations.

In like manner, the second air bustle pipe 6675 is in charge of the 6673 and second air with the second air and is entered arm 607 and link up, with 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 consists of same path;

Meanwhile, the second coal gas bustle pipe 6685 enters arm 602 with the second gas manifold 6683 and the second coal gas and links up, with 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 consists of same path;

Meanwhile, the second combustion exhaust bustle pipe 6695 is in charge of the 6693 and second combustion exhaust exhaust outlet 608 with the second burning gas and is linked up, and the second combustion exhaust is in charge of the 6693, second combustion exhaust exhaust outlet 608, the second accumulation of heat chamber 606 and the second combustion chamber 601 consists of same path.

In addition; as shown in figure 24; this example comprises that also gas reversing system controller 906 is used for rotation reversing motor 663, air blower 664, gas fan 665, exhaust gas fan 666 controls; gas 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 be subjected to 90 controls of industry control center in this example, so the restriction that gas reversing system controller 906 does not consist of this routine protection domain is set herein.

Such as Figure 11, Figure 15-1 and Figure 12～Figure 15, shown in Figure 24: the method for heating and controlling of this outer combustion gas heating unit 64 is:

(1) 90 startup rotation reversing motors 663 drives upper dish 661 in industry control center is in lower wall 662 rotations, 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 and is in dissengaged positions; Simultaneously, coal gas supervisor the 668 and first gas manifold 6681 also is connected, and coal gas supervisor the 668 and second gas manifold 6683 is in 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 is responsible for the 669 and second combustion exhaust and is in charge of 6693 and is in the state of being connected.

(2)) industry control center 90 starts air blower 664, gas fan 665, exhaust gas fan 666; Air blower 664 with air blast air supervisor 667, air enter 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, enter in the first combustion chamber 621 after the heat that utilizes the first heat storage 623 to discharge heats air; Simultaneously, obtain purified gas gas fan 665 purifies raw gas through recovery of chemical products after and blast coal gas supervisor 668, coal gas enters 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 with the first combustion exhaust and is in the phase dissengaged positions, and corresponding combustion exhaust supervisor the 669 and second combustion exhaust is in charge of 6693 and is in the state of being connected, so the waste gas in the first combustion chamber 621 after the 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 through in the second accumulation of heat chamber 606, 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) reach and set combustion time, industry control center 90 starts rotation reversing motor 663 and drives upper dish 661 backward rotation on lower wall 662, air supervisor the 667 and first air is in charge of 6671 and is cut off, air supervisor the 667 and second air is in charge of 6673 and is 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 also is connected, and corresponding combustion exhaust supervisor 669 and the second combustion exhaust are in charge of 6693 also dissengaged positions mutually;

(4) air blower 664 with air blast air supervisor 667, air enter 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, enter in the second combustion chamber 601 after the heat that utilizes the second heat storage 603 in the second accumulation of heat chamber 606 to discharge heats air; Simultaneously, obtain purified gas after after gas fan 665 is clean through recovery with raw gas and blast coal gas supervisor 668, coal gas enters 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 669 is in charge of 6693 with the second combustion exhaust and is in mutually dissengaged positions, so the waste gas in the second combustion chamber 601 after the 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, after the first heat storage 603 in the first accumulation of heat chamber 626 carries out absorbing and cooling temperature, at last 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 combustion gas heating unit 64 combustion principle are the waste gas that generates and enter the second combustion chamber 601 from combustion chamber through hole 6251 that the second heat storage 603 is discharged after its exhaust-heat absorption is lowered the temperature in the second combustion chamber 601 and the second accumulation of heat chamber 606 after gas-fired in the first combustion chamber 621.

Otherwise the waste gas that generates after gas-fired in the second combustion chamber 601 enters the first combustion chamber 621 from combustion chamber through hole 6251, and the first heat storage 603 is discharged after its exhaust-heat absorption is lowered the temperature in the first combustion chamber 621 and the first accumulation of heat chamber 606.

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

Heating by external gas-operated thermal bath facility 64 is controlled automatically, reduces human cost, has improved the control accuracy to the pyrolysis of coal process, realizes automatization.

Such as Figure 16, shown in Figure 25, internal combustion heating unit 67 is mainly by some groups of (3 groups of this examples) combustion heaters 68 that structure is identical, 69 and quenching waste gas heater 63.

Such as Figure 21, shown in Figure 180, 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 18, 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 18,6 main internal-quirks 636 of this example and 6 secondary internal-quirks 637 form altogether 6 groups of internal-quirks 631 side by side.

As shown in figure 21, in the secondary internal-quirk 637 shutoff dividing plate 6371 is set, lower shutoff dividing plate 6372 is divided into upper, middle and lower segment 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; Be provided with waste gas on the quirk partition wall 635 between the secondary internal-quirk 6375 of epimere and the main internal-quirk 636 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.

Such as Figure 21, shown in Figure 180, on the quirk partition wall 635 between the 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 lower shutoff dividing plate 6372 belows, as shown in figure 18,6 quirks are ganged up hole 6304 and the secondary internal-quirks 6373 of 6 hypomeres and main internal-quirk 636 are connected be in the same place respectively.

As shown in figure 21, center ringwall 634 surrounds centre channel 638, with upper 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, be that formation high temperature combustible exhaust gas admission passage 6383 is divided in the bottom, formation buffer zone 6381 is divided on top.

Such as Figure 19, shown in Figure 21, 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 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 enter hole 6301.

Such as Figure 21, Figure 20, shown in Figure 19: 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, below the bar bow 651 of quirk bow 65, pass extend upwardly to major and minor internal-quirk 636,637 between the inside of quirk partition wall 635.

Such as Figure 21, shown in Figure 12: 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 21, secondary air compensating pipe 6322 also is arranged on the inside of major and minor internal-quirk 636,637 quirk partition wall 635, and the secondary air compensating of secondary air compensating pipe 6322 outlet 6324 is positioned at and upper shutoff dividing plate 6371 concordant or a little higher than upper shutoff dividing plates 6371, leads to main internal-quirk 636.

Such as Figure 21, shown in Figure 17, 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 with the secondary internal-quirk 6374 in next bar stage casing of next-door neighbour by chamber passage 6305, chamber passage 6305 below upper shutoff dividing plate 6371 and from pass the main internal-quirk 636 between next bar stage casing pair internal-quirk 6374 of the secondary internal-quirk 6374 in stage casing and next-door neighbour, as shown in figure 17,6 secondary internal-quirks 6374 in stage casing connect into 3 groups by 3 chamber passages 6305.

Such as Figure 21, Figure 16, shown in Figure 20, the secondary internal-quirk 6374 in two stage casings in the secondary internal-quirk 637 (is namely 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 burning heater 62 of its structure and combustion principle and above introduction, the second burning heater 60 is almost completely identical, comprises that also 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.

Such as Figure 21, shown in Figure 16, 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, namely by gas-fired quirk relatively airtight between the upper and lower shutoff dividing plate 6371,6372.

Such as Figure 21, Figure 20, shown in Figure 19: the 3rd coal gas enters arm 682 and passes to extend upward through quirk partition wall 635 inside below the bar bow 651 of quirk bow 65 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 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 by chamber passage 6305 with the 3rd combustion chamber 681 and consisted of related one group (shown in Figure 17).

Wherein, shown in Figure 15-1, the 3rd coal gas of the 3rd combustion chamber 681 of the 3rd burning heater 68 enters arm 682, the 3rd air and enters arm 687 and the 3rd combustion exhaust exhaust outlet 688 and be in charge of the 6671, first combustion exhaust 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 respectively and be in charge of 6691 and communicate.

Shown in Figure 15-1, the 4th coal gas of the 4th combustion chamber 691 of the 4th burning heater 69 enters arm 692, the 3rd air and enters arm 697 and the 3rd combustion exhaust exhaust outlet 698 and be in charge of the 6673, second combustion exhaust 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 respectively and be in charge of 6693 and communicate.

In sum, the 3rd burning heater 68, the 4th combustion heater 69, combustion principle and above the first burning heater 62, the second burning 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 to be used in the high temperature combustible exhaust gas that quenching produces to carry out the 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 purifies through recovery of chemical products.

These routine internal combustion heating unit 67 methods are:

(1), enters when the high temperature combustible exhaust gas admission passage 6383 of high temperature combustible exhaust gas from centre channel 638 bottoms, entering hole 639 through combustible exhaust gas enters in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, the high temperature combustible exhaust gas temperature that has just entered is higher generally all at 1000 ℃～1100 ℃, but dispel the heat along with waste gas rises externally to do work in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere, temperature can reduce;

(2), at this moment give the air that fills in main internal-quirk 636 and the secondary internal-quirk 6373 of hypomere by blowdown pipe 6321, so that thereby the high temperature combustible exhaust gas obtains airborne oxygen burning, the amount of the combustible gas in the 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 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 the waste gas after the high-temperature combustible gas body in the main internal-quirk 636 and the burning, along with the waste gas after mixed high-temperature combustible gas body and the burning can be to providing heat and externally acting for the pyrolysis of coal in the coking chamber 61 by ringwall in the coking chamber 612 in uphill process, temperature can reduce gradually;

(4) so need again to enter short covering gas by secondary air compensating pipe 6322 in the middle and upper part of main internal-quirk 636, make mixed high-temperature combustible gas body and the burning after waste gas more further the burning, this provides required heat and temperature not only for coking chamber 61 pyrolysis of coal, 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 main internal-quirk 636 and the secondary internal-quirk 6375 of 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 enter hole 6301, quirk partition wall 635 between main internal-quirk 636 and the secondary internal-quirk 6375 of epimere is provided with waste gas and gangs up hole 6303, fully mutually connect between the secondary internal-quirk 6375 of each bar master internal-quirk 636 and epimere, so that the waste gas after for the second time tonifying Qi burning can mix fully mutually, reach samming between the secondary internal-quirk 6375 of place master's internal-quirk 636 and epimere and all press, balanced heat and temperature is provided for the pyrolysis of coal on whole coking chamber 61 tops;

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

(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 pyrolysis of coal and the defective of temperature; and can taking full advantage of the raw gas that produces in the 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 after raw gas purifies through recovery of chemical products; namely in the secondary internal-quirk 637 in stage casing, add heat; enough heat and temperature are provided not only for coking chamber 61 pyrolysis of coal; improved again simultaneously the utilization ratio of raw gas; minimizing is discharged in atmosphere; avoid atmospheric pollution, protected environment.

The burnt upgrading of second section

In coking chamber, carry out the coke that forms after the high temperature pyrolysis or be referred to as " smokeless char " owing to lower-grade metamorphic bituminous, there is the inequality of being heated, the situation that " smokeless char " piece grain size is irregular, certain temperature and time are provided preferably for " smokeless char ", make between " smokeless char " and fully contact, mutually carry out heat transmission, this just needs burnt modifying apparatus 610.

Such as Figure 22, Figure 21, Figure 19, shown in Figure 25, 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 enter hole 639.

In addition, as shown in figure 11: body of heater 91 exterior walls are provided with burnt upgrading temperature monitoring hole 6101, are provided with a burnt upgrading thermometer 6102 in 6101 holes, burnt upgrading temperature monitoring hole.

As shown in figure 24: industry control center 90 and burnt upgrading thermometer 6102 electrical connections, the burnt upgrading temperature signal of the upgrading thermometer 6102 of automatically focusing is monitored.

The method that this burnt modifying apparatus carries out upgrading is: outside body of heater exterior wall by heat insulating refractory material is incubated, inside then enters hole 639 with the 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 that has particularly just entered just is fit to burnt upgrading between 1000 ℃～1100 ℃, make " smokeless char " in burnt upgrading chamber, retain certain hour, fully contact between " smokeless char " piece grain, carry out each other heat transmission, reach evenly purpose of coke button size.

The 3rd joint quirk bow

Such as Figure 21, Figure 20, shown in Figure 180, 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 is provided for again simultaneously internal combustion heating unit 67.

Such as Figure 21, Figure 20, shown in Figure 19, 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 some bar bow 651, fire bow center ringwall 652, ringwall 652 middle parts, fire bow center form high temperature combustible exhaust gas passage 653, 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 the at a certain angle radial layout of scattering in interval of ringwall 652 centers, fiery bow 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.

Such as Figure 21, shown in Figure 20, 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, a blowdown pipe 6321 that tightly arranges in the body of wall of another adjacent fire bow 651, secondary air compensating pipe 6322, provide convenience for the pipeline laying of internal combustion heating unit 67, article 6, 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 in the body of wall of fire bow 651,6 blowdown pipes 6321 that are set up in parallel respectively in the body of wall of 6 fire bows 651 in addition, 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

Higher through the coke temperature behind the upgrading, generally all at 1000 ℃～1100 ℃, need to cool off to make things convenient for to high temperature coke and carry and storage, dry coke quenching auxiliary 7 need to be arranged.

Such as Figure 22, shown in Figure 23, dry coke quenching auxiliary 7 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 that certain angle is partitioned into spoke shape layout in the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. with high temperature coke quencher 71 and low temperature coke quencher 72 axle centers, 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, dried pipe 77 1 ends that relieve dizziness, high fever, infantile convulsions, epilepsy, etc. lead to wind assembling set 74, the other end leads to the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried circuit 76 that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. links by blast pipe 761 and quenching exhaust gas fan 75, and quenching exhaust gas fan 75 links by the exhaust gas fan 666 of pipeline and gas reversing system 66; 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 22, be provided with the quenching temperature monitoring hole 711 of leading to high temperature coke quencher 71 at the exterior wall 91 of body of heater, the quenching temperature monitoring is provided with quenching thermometer 712 in the hole.

As shown in figure 24, 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 of quenching exhaust gas fans in industry control center 75 and the valve 70 that discharges of the coke are controlled automatically, monitor by 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 by coke quenching device controller 907 and 90 electrical connections of industry control center, and certainly from electric control theory, coke quenching device controller 907 does not consist of the restriction to this routine protection domain in this example.

The method of utilizing low-temperature burning waste gas to carry out dry coke quenching of this routine dry coke quenching auxiliary 7 is:.

(1) waste gas after the gas-fired in the 3rd combustion heater 68 of the first burning heater 62, the second 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 passed through blast pipe 761 successively, 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. blasts in the 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, the 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 the low temperature coke quencher 72, upwards seal in again high temperature coke quencher 71,71 neutralizations of high temperature coke quencher are lowered the temperature from " smokeless char " that high temperature coke quencher 71 falls to low temperature coke quencher 72, this example adopts air-cooled form that " smokeless char " lowered the temperature, so be referred to as dried putting out

(3) in addition, this routine dry coke quenching auxiliary 7 also can produce a certain amount of high-temperature combustible gas body dried putting out in the process, because, contain in one, the low temperature waste gas high temperature after a small amount of moisture content runs into burnt upgrading " chemical reaction can occur in " smokeless char ", produces some inflammable gass; Two, also there is the not clean-burning inflammable gas of part in low temperature waste gas itself; Three, the high temperature behind the burnt upgrading " " smokeless char " itself residual a part of inflammable gas also; these inflammable gass upwards enter the high temperature combustible exhaust gas passage 653 at ringwall 652 middle parts, fiery bow center, thus provide source of the gas to the major and minor quirk 636,637 of the internal combustion heating unit 67 of coal heat decomposition stove.

The waste gas that produces after the outer combustion gas heating unit of the purified gas process coal heat decomposition stove after the raw gas process recovery of chemical products purification that the low temperature waste gas of lifting in this example refers to produce in the lower-grade metamorphic bituminous pyrolytic process and the burning of the combustion heater in the internal combustion heating unit, become cryogenic gas behind the heat storage absorbing and cooling temperature of this waste gas in the accumulation of heat chamber, this dry coke quenching auxiliary is also advantageous in that and utilizes the incombustibility of combustion exhaust own to replace the existing inert nitrogen of using to carry out dried 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 take full advantage of the raw gas that produces in the pyrolysis of coal process again simultaneously.

The 5th joint Continuous coking

Comprehensively above-mentioned, these routine characteristics be with pyrolysis of coal charing, upgrading, the dried process integration that puts out in the hot body of heater of same coal, so that charing, upgrading, dried putting out are able to continuous realization, so lower-grade metamorphic bituminous after preheating after dehydrating, carry out again charing, upgrading, dried putting out and become at last coke, or it is more definite to be referred to as " smokeless char ".

The comprehensive cyclic utilization of the 5th part, pyrolysis of coal gas

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

First segment raw gas take-up gear

The lower-grade metamorphic bituminous raw gas that produces in the high-temperature coal pyrolytic process contains a lot of useful compositions, need to derive in order to utilize raw gas.

Such as Figure 26, raw gas take-up gear 8 comprises raw gas concentration chamber 81, interior derivation passage 82, and circuit 85 is derived in outer derivation passage 83, derivation main channel 84; It is integrally formed that raw gas concentration chamber 81 is arranged on top and the coking chamber 61 of coking chamber 61; Such as Figure 17, shown in Figure 26, interior derivation passage 82 arranges in the quirk partition wall 635, and interior derivation feeder connection 821 passes interior ringwall 611 middle parts and leads to coking chamber 61, and interior derivation channel outlet 822 is passed the raw gas concentration chamber 81 that interior ringwall 611 leads to the coking chamber top; Such as Figure 17, Figure 26, shown in Figure 11, outer derivation passage 83 arranges in the exterior wall of body of heater 91, lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 pass outer ring wall 612 middle parts and lead to coking chamber 61, and outer derivation channel outlet 832 is passed the raw gas concentration chamber 81 that outer ring wall 612 leads to the coking chamber top.

As shown in figure 26, deriving main channel 84 is arranged in the exterior wall of body of heater 91 of coal heat decomposition stove, derivation main channel entrance 841 communicates with raw gas concentration chamber 81 and extends up in the exterior wall top derivation circuit 85 that body of heater 91 is set again, and derives circuit 85 a raw gas export mouth 851 is set.

Such as Figure 26, Figure 17, shown in Figure 11, in this example because coking chamber 61 annular chamber, so raw gas concentration chamber 81 is corresponding annular chamber also, article 6, deriving passage 82 in is separately positioned in the 6 road quirk partition walls 635, pass interior ringwall 611 and lead to coking chamber 61, article 6, the outer passage 83 of deriving is separately positioned on to pass with outer quirk partition wall 625 and outer ring wall 612 in the middle of body of heater 91 exterior walls and leads to coking chamber 61, wherein, because the circumference of coking chamber 61, so interior ringwall 611 at coking chamber 61, be respectively arranged with a plurality of interior derivation feeder connections 821 and lower outside derivation feeder connection 831 on the outer ring wall 612, upper outside derivation feeder connection 834, again because the height of coking chamber 61 is high, interior derivation feeder connection 821 and lower outside derivation feeder connection 831, the setting of staggering up and down of upper outside derivation feeder connection 834, such as Figure 26, interior derivation feeder connection 821 shown in Figure 11 is higher than lower outside derivation feeder connection 831, but be lower than upper outside derivation feeder connection 834 places, this example adopts this structure better to derive the raw gas that different sections in the coking chamber 91 produce, also be provided with 4 the larger raw gas of sectional area main channels 84 around raw gas concentration chamber 81 in addition and lead to derivation circuit 85, the purpose that arranges like this can conveniently derive a large amount of raw gas in the raw gas concentration chamber 81.

As shown in figure 26, the exterior wall at body of heater 91 is provided with the raw gas temperature monitoring holes 811 that leads to raw gas concentration chamber 81, placement raw gas temperature table 812 in the raw gas temperature monitoring holes 811.

As shown in figure 24, raw gas temperature table 812 and 90 electrical connections of industry control center, industry control center 90 is by temperature in the raw gas temperature table 812 monitoring raw gas concentration chamber 81.

The raw gas that will be in the coking chamber 61 different sections of these routine characteristics produce is respectively from interior derivation feeder connection 821 with lower outside derivation feeder connection 831, upper outside derivation feeder connection 834 enter interior derivation passage 82 and outer derivation passage goes 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 enter derivation circuit 85 by deriving main channel 84, discharge from raw gas export mouth 851 at last.

Second section raw gas condensing works

As shown in figure 26, it is higher to discharge 852 raw gas temperatures from the raw gas export mouth,, need to 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.

The reclaiming clean of the 3rd joint raw gas

Raw gas after raw gas sprays through the ammoniacal liquor of raw gas condensing works 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, become purified gas after the dry back receiving apparatus purifies recovery, purified gas can store for burning.

Chapter 2, the recycle behind the raw gas reclaiming clean (burning, driedly put out, burnt upgrading, again burning, lower-grade metamorphic bituminous preheating, lower-grade metamorphic bituminous dehydration, tonifying Qi air heating)

The first segment raw gas purifies the purified gas burning after reclaiming

After raw gas purifies recovery through recovery of chemical products, the part purified gas is transported to combustion heater in the outer combustion gas heating unit described in the above lower-grade metamorphic bituminous pyrolysis charring part of introducing of this example and the combustion heater in the internal combustion heating unit burns, and provides thermal source to pyrolysis of coal.

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

Outside cmpletely burning in the combustion heater in the gas-operated thermal bath facility and the combustion heater in the internal combustion heating unit of purified gas, 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 again simultaneously remaining volatile combustible gases behind the high temperature coke upgrading, the final high-temp waste gas that contains the inflammable gas composition that forms, specifically see the introduction of above dry coke quenching chapters and sections, repeat no more here.

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 to 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 to repeat no more here.

Again tonifying Qi burning of high temperature combustible exhaust gas after dried the putting out of the 4th joint.

The high temperature combustible exhaust gas is externally acting in STRENGTH ON COKE upgrading process, temperature can reduce, can drop to 900 ℃～1000 ℃, and the pyrolysis of coal charing is temperature required higher in the coking chamber, on average all at 1400 ℃～1500 ℃, so air carries out combustion heating to fill into for the first time for the high temperature combustible exhaust gas, because the coking chamber height is higher, and combustiblecomponents exists a certain amount of in the high temperature combustible exhaust gas, so need to increase at internal combustion heating unit middle part the 3rd combustion heater is arranged, the 4th combustion heater is to replenish the required heat of pyrolysis of coal, carry out again filling into the second time at last air on internal combustion heating unit top and carry out again abundant combustion heating by the high temperature combustible exhaust gas, both having reached to pyrolysis of coal provides outside the thermal source acting, can allow again the high temperature combustible exhaust gas fully burn, minimizing is to the pollution of atmospheric environment, specifically see the narration in the above lower-grade metamorphic bituminous pyrolysis charring, repeat no more here.

Hot waste gas after the 5th joint tonifying Qi burning is to lower-grade metamorphic bituminous preheating

As shown in figure 25, the waste gas after the quenching waste gas heater of internal combustion heating unit 67 burning is discharged in the exhaust air chamber, carries out preheating by 3 pairs of coal supply apparatus are lower-grade metamorphic bituminous again, specifically sees the introduction of above third and fourth part.

The 6th joint afterburning air heating

Such as Figure 26, Figure 13, Figure 11, shown in Figure 21, another air arm 6641 that another of gas reversing system 66 is connected with air blower 664 is connected through mending pipe 632 with the air of quenching waste gas heater 63 behind the tubular heat exchanger 4, air blower 664 blasts air from air arm 6641 carries out heat exchange the tubular heat exchanger 4, heated air enters air and mends pipe 632, thereby give the afterburning air heating of quenching waste gas heater 63, through behind the coal supply apparatus 3 hot waste gas be transported to 4 pairs of Airs that enter quenching waste gas heater 63 of tubular heat exchanger and heat, 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 had further been utilized, can give in the quenching waste gas heater 63 again and fill into warm air, make that the high temperature combustible exhaust gas fully burns in the quenching waste gas heater 63.

The lower-grade metamorphic bituminous dehydration of the 7th joint

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 relatively high hot waste gas of such temperature, a part can be used for above second one introduction is specifically seen in lower-grade metamorphic bituminous dehydration, repeat no more here.

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 relatively high hot waste gas of such temperature, another part can be used for to saturated active coke regeneration heating.

The 6th part: pyrolysis of coal automatic control device

Comprehensively above-mentioned, the pyrolysis of coal automatic control device comprises that industry control center and above introduction connect thermometer and motor with the industry control center.

The 7th part: lower-grade metamorphic bituminous comprehensive utilization device

The high temperature pyrolysis that first segment is lower-grade metamorphic bituminous

The lower-grade metamorphic bituminous coal of comprehensive above-mentioned concrete introduction, charing, burnt upgrading, driedly put out, the content such as raw gas derivation draws a kind of lower-grade metamorphic bituminous coal heat decomposition stove and pyrolysis of coal method.

As shown in figure 25, a kind of lower-grade metamorphic bituminous coal heat decomposition stove 9, comprise body of heater 91, coal supply apparatus 3, pyrolysis of coal carbonizing apparatus 6, burnt modifying apparatus 610, dry coke quenching auxiliary 7, raw gas take-up gear 8, wherein, pyrolysis of coal carbonizing apparatus 6 comprises that mainly coking chamber 61, outer combustion gas heating unit 64, internal combustion heating unit 67, quirk bow 65 consist of.

The concrete structure of described coal supply apparatus 3 is seen the third part introduction, the concrete structure of described pyrolysis of coal carbonizing apparatus 6 and coking chamber 61 thereof, outer combustion gas heating unit 64, internal combustion heating unit 67, quirk bow 65 is seen the 4th part introduction, and the concrete structure of raw gas take-up gear 8 is seen the 5th part chapter 1 first segment content.

A kind of lower-grade metamorphic bituminous pyrolysis of coal method, step is:

(1), lower-grade metamorphic bituminous after the dehydration in the coal bunker 14 of hot waste gas dewatering unit 1 joined adding in the coal bunker 31 of coal supply apparatus 3 by existing transfer roller 15 (enclosed belt conveyer or bucket are carried transfer roller);

(2), hot waste gas after the burning is entered from hot waste gas admission passage 3911, entering waste gas by heating by the exhaust gases passage 392 assembles in the circuit 395, can carry out to the skin of the primary heater unit 39 between two preheating chambers 394 heat transmission, thereby to falling into the lower-grade metamorphic bituminous heating preheating of coal preheating channel 3931, the lower-grade metamorphic bituminous steam that gives out of heating preheating upwards enters and adds in the coal bunker 31, discharge the steam outlet orifice 321 around adding coal bunker 31 again, simultaneously to lower-grade metamorphic bituminous heating preheating, water evaporation can be lowered the temperature to the hot waste gas of discharging after burning from exhaust air chamber 391 again, assembles at last waste gas primary outlet 3951 discharges of circuit 395 from waste gas;

(3), enter the stove coal through the lower-grade metamorphic bituminous conduct of heating preheating, regulate in the coking chamber 61 that coal bunker 33 and blanking road 34 enter coal heat decomposition stove 9 by intermediate bin and heat the high temperature pyrolysis charing;

(4), high temperature pyrolysis lower-grade metamorphic bituminous the becoming " smokeless char " of finishing directly drops in the burnt modifying apparatus 610 and carries out burnt upgrading;

(5), " smokeless char " that directly drop in the dry coke quenching auxiliary 7 after using low temperature waste gas after the burning that upgrading is finished carry out the dried cooling of putting out, and produces simultaneously the flammable hot waste gas of high temperature;

(6), dried " smokeless char " that puts out after the cooling discharged from the bottom opening 721 of the low temperature coke quencher 72 of dry coke quenching auxiliary 7 at last.

Wherein heating means derive the raw gas that the lower-grade metamorphic bituminous high temperature pyrolysis in the pyrolysis of coal carbonizing apparatus 6 produces in (3) step, purified gas after utilizing raw gas through the recovery of chemical products purification is carried to return to burn again and is provided required heat and temperature to lower-grade metamorphic bituminous high temperature pyrolysis, comprise the purified gas burning heating method in outer combustion gas heating means and the internal combustion heating means, described outer combustion gas heating means and internal combustion heating means are specifically seen with the introduction in the 4th part the first chapters and sections.

Claims (5)

1. a lower-grade metamorphic bituminous coal heat decomposition stove is characterized in that: comprise body of heater, coal supply apparatus, pyrolysis of coal carbonizing apparatus, burnt modifying apparatus, dry coke quenching auxiliary, raw gas take-up gear; Described coal supply apparatus, pyrolysis of coal carbonizing apparatus, burnt modifying apparatus and dry coke quenching auxiliary are integrally formed from top to bottom on body of heater; Described coal supply apparatus comprises body of heater, adds coal bunker, steam discharger, primary heater unit; The upper interior portion of described body of heater forms and adds coal bunker; Described steam discharger comprises the steam outlet orifice, water vapor hole is ganged up pipeline, the steam conduit, the water of condensation collection channel, described steam outlet orifice is arranged on the furnace body wall all around that adds coal bunker, water vapor hole is ganged up pipeline and is vertically being become row to be serially connected the steam outlet orifice, the steam conduit is arranged on the top that water vapor hole is ganged up pipeline, the water vapor hole of ordered series of numbers is ganged up conduit upper to be pooled together and is beneficial to steam discharging, the water of condensation collection channel is arranged on the bottom that water vapor hole is ganged up pipeline, the water vapor hole of ordered series of numbers is ganged up the pipeline bottom pool together and be beneficial to condensed water elimination; Described primary heater unit is located at and is added the coal bunker below, primary heater unit comprises body of heater, exhaust air chamber, at least one above heating by the exhaust gases passage, at least more than one preheater, at least more than one preheating chamber, waste gas is assembled circuit, in described body of heater is divided into herein, in, outer three layers of body of wall, the internal layer body of wall forms exhaust air chamber, the bottom of exhaust air chamber is provided with the hot waste gas admission passage, form waste gas between middle level body of wall and the outer body of wall and assemble circuit, assemble circuit at waste gas and be provided with the waste gas primary outlet, in the heating by the exhaust gases passage passes, the middle level body of wall is assembled circuit with exhaust air chamber and waste gas and is communicated with, and will be separated into several preheating chambers between internal layer body of wall and the middle level body of wall, described preheater places respectively two adjacent preheating chambers, the preheater intermediate formation is crossed the coal preheating channel, communicates bottom crossing coal preheating channel top and adding coal bunker; Described pyrolysis of coal carbonizing apparatus is arranged on the body of heater middle part, comprises that mainly coking chamber, outer combustion gas heating unit, internal combustion heating unit, quirk bow consist of; Coking chamber is positioned at quirk bow top and consists of an annulus by the inside and outside ringwall of fire-resistant thermally conductive material, being centered around coking chamber exterior wall ring periphery is outer combustion gas heating unit, wherein main one group of above identical first combustion heater of structure of outer combustion gas heating unit and the second combustion heater and gas reversing system consist of, be the internal combustion heating unit in the ringwall ring in the coking chamber, the 3rd combustion heater that the main one group of above structure of internal combustion heating unit is identical and the 4th combustion heater and quenching waste gas heater consist of; The coal preheating channel bottom of crossing of described preheater communicates with the coking chamber of coal heat decomposition stove; Described burnt modifying apparatus is arranged at and is positioned in the body of heater furnace chamber on the quirk bow, burnt upgrading chamber is formed at the bottom that comprises coking chamber, the main internal-quirk bottom of internal combustion heating unit, the secondary internal-quirk of hypomere, the center ring circummure of internal combustion heating unit becomes the bottom of the high temperature combustible exhaust gas admission passage of centre channel, ringwall bottom, center is provided with and connects high temperature combustible exhaust gas admission passage and main internal-quirk, the combustible exhaust gas of the secondary internal-quirk of hypomere enters the hole, described dry coke quenching auxiliary arranges pyrolysis of coal furnace chamber meta in coking chamber, burnt modifying apparatus, internal combustion heating unit and quirk bow below comprise high temperature coke quencher, low temperature coke quencher, quenching bridge bow, the quenching exhaust gas fan; Described high temperature coke quencher is arranged on the below of quirk bow, and the top of high temperature coke quencher communicates with high temperature combustible exhaust gas passage; Described quenching bridge bow is arranged on and comprises bridge bow, wind assembling set, the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., the dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. between high temperature coke quencher and the low temperature coke quencher, bridge bow more than at least one is partitioned at an angle spoke shape with high temperature coke quencher and low temperature coke quencher axle center and arranges in the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., bridge bow middle part forms wind assembling set, wind assembling set be one straight through up big and down small inversed taper platform shape chamber, the top of wind assembling set is provided with the semisphere blast cap, and the lower openings of wind assembling set is towards low temperature coke quencher; The dried pipe that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. is arranged in the bridge bow, and the dried Guan Yiduan of relieving dizziness, high fever, infantile convulsions, epilepsy, etc. leads to wind assembling set, and the other end leads to the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc., and the dried circuit that relieves dizziness, high fever, infantile convulsions, epilepsy, etc. links by blast pipe and quenching exhaust gas fan; The bottom opening place of described low temperature coke quencher is provided with the valve that discharges of the coke; Described raw gas take-up gear comprises raw gas concentration chamber, interior derivation passage, and circuit is derived in outer derivation passage, derivation main channel; It is integrally formed that described raw gas concentration chamber is arranged on top and the coking chamber of coking chamber of coal heat decomposition stove; In the described interior derivation channel setting quirk partition wall, the interior ringwall that interior derivation feeder connection passes coking chamber leads to coking chamber, and interior derivation channel outlet is passed the raw gas concentration chamber that interior ringwall leads to the coking chamber top; In the exterior wall of described outer derivation channel setting body of heater, comprise lower outside derivation feeder connection, upper outside derivation feeder connection, the outer ring wall that described lower outside derivation feeder connection, upper outside derivation feeder connection pass coking chamber leads to coking chamber, and outer derivation channel outlet is passed the raw gas concentration chamber that outer ring wall leads to the coking chamber top; Described derivation main channel is arranged in the exterior wall of body of heater of coal heat decomposition stove, derives the main channel entrance and communicates with the raw gas concentration chamber and extend up in the exterior wall top derivation circuit that body of heater is set again, and described derivation circuit arranges a raw gas export mouth.

2. a kind of lower-grade metamorphic bituminous coal heat decomposition stove as claimed in claim 1, it is characterized in that: the body of heater of crossing coal preheating channel bottom of described preheater is provided with the intermediate regulations coal bunker, cross coal preheating channel bottom and communicate with the intermediate regulations coal bunker, the intermediate regulations coal bunker communicates with the coking chamber of coal heat decomposition stove by the blanking breeching.

3. a kind of lower-grade metamorphic bituminous coal heat decomposition stove as claimed in claim 1, it is characterized in that:, the first combustion heater of described outer combustion gas heating unit comprises the first combustion chamber, the first coal gas enters arm and the first regenerative heat exchanger, the first combustion chamber becomes the gas-fired quirk of relative closure, the first coal gas enters arm and leads to bottom, the first combustion chamber, the first regenerative heat exchanger comprises the first accumulation of heat chamber, the first heat storage, the first air enters arm and the first combustion exhaust exhaust outlet, the first accumulation of heat chamber is arranged in the body of heater exterior wall, the first heat storage arranges in the first accumulation of heat chamber, the first accumulation of heat chamber one end leads to bottom, the first combustion chamber, and the other end is connected to respectively the first air and enters arm and the first combustion exhaust exhaust outlet; Described the second combustion heater comprises that the second combustion chamber, the second coal gas enter arm and the second regenerative heat exchanger, the second coal gas enters arm and leads to bottom, the second combustion chamber, the second regenerative heat exchanger comprises that the second accumulation of heat chamber, the second heat storage, the second air enter arm and the second combustion exhaust exhaust outlet, the second accumulation of heat chamber also is arranged in the body of heater exterior wall, the second heat storage arranges in the second accumulation of heat chamber, the second accumulation of heat chamber one end leads to bottom, the second combustion chamber, and the other end is connected to respectively the second air and enters arm and the second combustion exhaust exhaust outlet; Be provided with the combustion chamber through hole between described the first combustion chamber and the second combustion chamber; Described gas reversing system comprises dish, lower wall, rotation reversing motor, air blower, gas fan, exhaust gas fan, described lower wall is connected to respectively an air supervisor and the first air is in charge of, the second air is in charge of, coal gas supervisor and the first gas manifold, the second gas manifold, combustion exhaust supervisor and the second combustion exhaust is in charge of, the first combustion exhaust is in charge of, wherein, the second combustion exhaust is in charge of to be in charge of to be in charge of with the first air with the first combustion exhaust and is in charge of with the second air and the setting of the first gas manifold and the second gas manifold is just exchanged; Described upper dish rotates and is fitted in the lower wall top, and upper dish respectively correspondence is provided with air pipe connecting, coal gas pipe connecting, combustion exhaust pipe connecting, and described rotation reversing motor and upper dish are in transmission connection, dish reciprocating rotation on lower wall in the drive; Wherein, described the first air is in charge of and is entered arm with the first air and connect, and simultaneously, described the first gas manifold and the first coal gas enter arm and connects, and meanwhile, described the first combustion exhaust is in charge of with the first combustion exhaust exhaust outlet and is connected; In like manner, the second air is in charge of and is entered arm with the second air and connect, and simultaneously, the second coal gas bustle pipe enters arm with the second gas manifold and the second coal gas and connects, and meanwhile, the second combustion exhaust is in charge of with the second combustion exhaust exhaust outlet and is connected.

4. a kind of lower-grade metamorphic bituminous coal heat decomposition stove as claimed in claim 1, it is characterized in that: the quenching waste gas heater of described internal combustion heating unit comprises that internal-quirk, air mend pipe, blowdown pipe, secondary air compensating pipe, tonifying Qi circuit, center ringwall, internal-quirk partition wall, centre channel, described internal-quirk mainly by ringwall in the coking chamber with the center ringwall that is positioned at the coking chamber ringwall and at least the internal-quirk partition wall be divided into main internal-quirk arranged side by side more than at least one group, secondary internal-quirk; Shutoff dividing plate, lower shutoff dividing plate are set in the described secondary internal-quirk, secondary internal-quirk is divided into upper, middle and lower segment, be the secondary internal-quirk of epimere, the secondary internal-quirk in stage casing, the secondary internal-quirk of hypomere, be provided with waste gas on the quirk partition wall between the secondary internal-quirk of described epimere and the main internal-quirk and gang up the hole, the hot waste gas exhaust channel is offered at the secondary internal-quirk of epimere and main internal-quirk top, on the quirk partition wall between the secondary internal-quirk of described hypomere and the main internal-quirk quirk is set and gangs up the hole; Described center ring circummure becomes centre channel, with the concordant place of upper shutoff dividing plate one channel partition is set in the centre channel, centre channel is separated into, lower two portions, be that the formation buffer zone is divided on top, formation high temperature combustible exhaust gas admission passage is divided in the bottom, 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 enters the hole, 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 enters the hole, described tonifying Qi circuit is arranged on the body of heater exterior wall, described air is mended pipe and tonifying Qi circuit UNICOM, a described blowdown pipe, secondary air compensating pipe and tonifying Qi circuit UNICOM, below the bar bow of quirk bow, pass to extend upwardly to and leading, quirk partition wall between the secondary internal-quirk is inner, the outlet of a blowdown pipe is positioned at below the lower shutoff dividing plate, lead to respectively the secondary internal-quirk of main internal-quirk and hypomere, main internal-quirk is led in the secondary air compensating outlet of secondary air compensating pipe; The secondary internal-quirk in described stage casing forms the independent gas combustion chamber of relative closure, the secondary internal-quirk in a upper stage casing connects into relevant one group with the secondary internal-quirk in next bar stage casing of next-door neighbour by chamber passage, chamber passage below upper shutoff dividing plate and from pass the main internal-quirk between next bar stage casing pair internal-quirk of the secondary internal-quirk in stage casing and next-door neighbour, described the 3rd combustion heater comprises the 3rd combustion chamber, the 3rd air enters arm, the 3rd coal gas enters arm, the 3rd accumulation of heat chamber, the 3rd heat storage, the 3rd air enters arm and the 3rd combustion exhaust exhaust outlet, described the 3rd combustion chamber is the secondary internal-quirk in stage casing, described the 3rd coal gas enters arm and passes to extend upward through quirk partition wall inside from the bar bow below of quirk bow and lead to the 3rd combustion chamber, it is the secondary internal-quirk in stage casing, the 3rd accumulation of heat chamber is arranged on the body of heater of bar bow below, the 3rd heat storage places the 3rd accumulation of heat chamber, the 3rd accumulation of heat chamber one end passes to extend upward through quirk partition wall inside from the below of the bar bow of quirk bow by the extension passage and leads to bottom, the 3rd combustion chamber, and the 3rd accumulation of heat chamber the other end is connected to respectively the 3rd air and enters arm and the 3rd combustion exhaust exhaust outlet; In like manner, the 4th burning heater structure is identical with the 3rd burner, and wherein the 4th combustion chamber is connected by chamber passage with the 3rd combustion chamber and consisted of related one group.

5. a kind of lower-grade metamorphic bituminous coal heat decomposition stove as claimed in claim 1 is characterized in that: described outer combustion gas heating unit mainly is divided into the heating of upper, middle and lower segment formula, and every section has many group identical the first combustion heaters of structure and the second combustion heater to consist of.

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