CN2692153Y - Indirect heating negative pressure destructive distillation type coke oven - Google Patents

Indirect heating negative pressure destructive distillation type coke oven Download PDF

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Publication number
CN2692153Y
CN2692153Y CN 200420050710 CN200420050710U CN2692153Y CN 2692153 Y CN2692153 Y CN 2692153Y CN 200420050710 CN200420050710 CN 200420050710 CN 200420050710 U CN200420050710 U CN 200420050710U CN 2692153 Y CN2692153 Y CN 2692153Y
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China
Prior art keywords
combustion chamber
coke
coke oven
oven
coking
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Expired - Fee Related
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CN 200420050710
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Chinese (zh)
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张立铭
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Individual
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Individual
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Priority to CN 200420050710 priority Critical patent/CN2692153Y/en
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Abstract

The utility model relates to an indirect heating negative pressure distillation type coke oven, comprising an oven roof, carbonization chambers, a combustion chamber, a chute, a lower flue. The shapes of the carbonization chambers are vertical type cuboids, and two sides of every carbonization chamber are the main walls of a combustion chamber; two lateral surfaces of the main walls have slight conicity, and the top of the combustion chamber is provided with air inlets penetrating the oven roof; the main wall of the combustion chambers is provided with a plurality of air holes communicated with the carbonization chambers and the combustion chamber, and the quantity of the air holes is determined according to the size of the oven; the lower flue is connected with a flue connection pipe, and the flue connection pipe is connected with underground flues at machine side and coke side. The body of the coke oven has safety, reliability, clean production and little pollution; dust and coke smoke exhausts are reduced when loading coal and unloading coke, and raw gas is prevented leakage; coking technology is simplified, process flow is simple, and ground occupying area is reduced; coking time is short with high efficiency.

Description

Indirect heating negative pressure dry distillation type coke oven
Technical field
The utility model relates to a kind of coking coke oven, specifically, relates to a kind of indirect heating negative pressure dry distillation type pit kiln.
Background technology
The coke oven that obtains the national correlation department approval at coking industry mainly contains two kinds: a kind of is traditional Mechanical, another kind of clean type heat recovery coke oven for growing up in recent years.Current, two kinds of type of furnaces are widely adopted, but all exist certain deficiency and problem.Cokery is under slight positive pressure state, and the coal gas after purifying by burning heats briquette with heat exchange pattern, and coke oven also has a series of byproducts to handle except producing coke, the furnace binding complexity, and the process matching system is cumbersome.There are the unordered discharging of raw gas in subsequent technique long flow path, production period, contaminate environment, and investment is big, takes up an area of problems such as many.Clean type heat recovery coke oven, be under micro-vacuum state, serves as main heating briquette by the fugitive constituent in coking chamber directly burns briquette in the thermal radiation mode, technology is simple, but exist the body of heater floor space excessive, coke scaling loss in being heated process is serious, furnace binding poor reliability, the oversize deficiency that waits of coke over machinery range ability.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective, and a kind of indirect heating negative pressure dry distillation type pit kiln is provided.
Coke oven described in the utility model and existing coke oven relatively have following advantage and positively effect:
1, compare with existing cokery
(1), body of heater is safe and reliable, compares with traditional mechanical coke technology, has greatly simplified coke making process, and workshop sections such as full plant process flow is very simple, and cold drum, electrically trapped tar oil no longer are set, wash ammonia still process, wash-out benzene;
(2), running cost is low, and investment greatly reduces.Coke oven described in the utility model is compared with traditional Mechanical, simplified the coke oven configuration greatly, firing tunnel in coking furnace system, coke oven vault and following lance system, waste gas air exchange shutter and transmission system thereof no longer are set, furnace roof natural gas gathering system, furnace roof dust smoke and extraction system etc.; The water system that coke furnace system was equipped with in the tradition mechanical coke technology, steam system, pneupress system, ammoniacal liquor system etc. are also greatly simplified; Coke oven described in the utility model is lower than traditional cokery height, and refractory materials and metallic substance consumption reduce;
(3) floor space obviously reduces;
2, compare with clean type heat recovery coke oven
(1) furnace binding is more safe and reliable, and the coke over machinery operation is more reliable and more stable;
(2) floor space greatly reduces;
(3) coking time is short, the efficient height;
(4) from the ton coke ratio, refractory materials and metallic substance consumption are few, invest little;
(5) low to the landform requirement of founding the factory, it is easier, reasonable to arrange;
(6) clean type heat recovery coke oven is main type of heating with thermal radiation, and raw gas is directly burning in burner hearth, because section of burner hearth is big, the sealing difficulty, the coke scaling loss is serious, and coke oven described in the utility model adopts indirect heating, good airproof performance, the coke scaling loss is obviously improved;
(7) operating distance shortens greatly, vehicle service efficiency height;
(8) the quenching time is short.
3, coke oven production described in the utility model cleaning, pollute little because at the coke oven run duration, body of heater and flue system are in negative pressure state, have stopped raw gas and have leaked outside always, alleviated coaling, the dust when the discharging of the coke and the discharging of burnt dirt.Raw gas various objectionable impuritiess in the combustion chambers burn process are fully burned under the condition of high temperature, the fume afterheat utilization is after just discharge after desulfurization and the dedusting, therefore the follow-upization production art system that does not have traditional cokery is so three wastes discharge amount is greatly improved;
Description of drawings
Fig. 1 is the structural representation of indirect heating negative pressure dry distillation type coke oven described in the utility model;
The A-A sectional view of Fig. 2 Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the enlarged view of I part among Fig. 3.
Embodiment
Referring to Fig. 1 to Fig. 4, coke oven described in the utility model, its furnace binding is similar to traditional Mechanical, comprises that furnace roof 1, coking chamber 2, combustion chamber 3, chute 4, underflue 5 etc. partly form.Being shaped as of described coking chamber 2 is similar to vertical rectangular parallelepiped, and the both sides of each coking chamber 2 are combustion chamber main wall 7, and the two sides of its main wall have slight tapering.Be provided with the through hole 9 of a plurality of connection coking chambers and combustion chamber on combustion chamber main wall 7, so that after the coals in the coking chamber 2 were heated, the fugitive constituent raw gas of Yi Chuing entered the combustion chamber by this hole gradually, its quantity is definite according to the size of coke oven.Described underflue 5 is connected with the flue pipe connecting, this flue pipe connecting is connected with the underground flue 10 of pusher side C and coke side D, its effect is that waste gas after burning is 3 descending along the combustion chamber, enters this underflue 5 through chute hole 6, again in the flue pipe connecting enters pusher side and side Jiao's underground flue respectively.
The top of described combustion chamber has the gas inlet 8 that penetrates furnace roof, and air that this gas inlet enters and the fugitive constituent raw gas mixed firing that the through hole 9 that is provided with from main wall 7 enters heat the coking chamber briquette.
Coke oven construction described in the utility model has changed in the traditional coke oven fully, coking chamber and combustion chamber isolate fully, combustion chamber and chute hole, regenerator, bottom flue are linked as a system, in system, finish into air and fuel gas, burning, flow of flue gas until entering underground flue; And coking chamber is another independent system, finish the destructive distillation of matchmaker's cake, the fugitive constituent that matchmaker's cake produces when destructive distillation causes the structure that follow-upization product recovery system is handled after entering the natural gas gathering system of furnace roof, but by through hole 9 coking chamber, combustion chamber, chute, underflue is linked as a system.Because coking chamber and combustion chamber are communicated with, the fugitive constituent that causes matchmaker's cake to produce directly enters combustion chambers burn; Because the change of this combustion system causes Coke Oven Proper structurally to reach on the relevant auxiliary facility variation has taken place, as having cancelled heating gas pipe in the former cokery, regenerator lattice brick etc. in the stove.The advantage that the minimizing of auxiliary facility brings is narrated in front, no longer repeats at this.
The working process of coke oven described in the utility model:
Coke oven construction described in the utility model both had been applicable to that the non-type of making firm by ramming pushes up the coke oven of coalingging, and also was applicable to and makes the type side-mounted coke furnace firm by ramming.When being the non-type top of making firm by ramming when coalingging coke oven, the clean fine coal of coal tower from the coke oven furnace roof 1 hole coking chamber 2 of packing into of coalingging, when being tamping type coke oven, then pushes coking chamber 2 from pusher side C with briquette by coal charger by coal charger.By the heat exchange pattern between combustion chamber 3 and the coking chamber 2, coal is heated in coking chamber 2, and fugitive constituent is overflowed gradually.The raw gas of overflowing enters the air mixed perfect combustion heating coking chamber briquette that also enters combustion chamber 3 in the combustion chamber with the gas inlet 8 from furnace roof from the through hole 9 on main wall top, combustion chamber.Waste gas after burning is descending and enter body of heater underflue 5 through chute hole 6 along the combustion chamber, again in the flue pipe connecting enters the underground flue of pusher side and coke side respectively.Operating period, each one of body of heater all was in micro-vacuum state, and air-flow operation power is from stack draught or blower fan gravitation.
The perfect combustion in body of heater of the fugitive constituent of coke oven feed coal described in the utility model, its product has only coke with regard to body of heater.The waste gas that produces after burning is high-temp waste gas, and the contained heat energy of high-temp waste gas is recycled.

Claims (1)

1, indirect heating negative pressure dry distillation type coke oven, comprise furnace roof (1), coking chamber (2), combustion chamber (3), chute (4), underflue (5), the vertical rectangular parallelepiped that is shaped as that it is characterized in that described coking chamber (2), the both sides of each coking chamber (2) are combustion chamber main wall (7), the two sides of this main wall have slight taper, the top of described combustion chamber has the gas inlet (8) that penetrates furnace roof, the top of combustion chamber main wall (7) is provided with the pore (9) of a plurality of connection coking chambers and combustion chamber, its quantity is determined according to the size of body of heater, described underflue (5) is connected with the flue pipe connecting, and this flue pipe connecting is connected with the underground flue of pusher side (C) with coke side (D).
CN 200420050710 2004-04-23 2004-04-23 Indirect heating negative pressure destructive distillation type coke oven Expired - Fee Related CN2692153Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420050710 CN2692153Y (en) 2004-04-23 2004-04-23 Indirect heating negative pressure destructive distillation type coke oven

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Application Number Priority Date Filing Date Title
CN 200420050710 CN2692153Y (en) 2004-04-23 2004-04-23 Indirect heating negative pressure destructive distillation type coke oven

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CN2692153Y true CN2692153Y (en) 2005-04-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013040891A1 (en) * 2011-09-19 2013-03-28 山西平遥峰岩煤焦集团有限公司 A method for leading out vertical heat recovery coke oven crude gas
WO2014012353A1 (en) * 2012-07-16 2014-01-23 山西平遥峰岩煤焦集团有限公司 Two-product coking oven
CN108795446A (en) * 2018-08-14 2018-11-13 华中农业大学 A kind of removable two-box type flue gas indirectly heat fixation retort
CN109504403A (en) * 2018-09-14 2019-03-22 广州叶林环保科技有限公司 A kind of organic solid dangerous waste anaerobic carbonization treatment process

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013040891A1 (en) * 2011-09-19 2013-03-28 山西平遥峰岩煤焦集团有限公司 A method for leading out vertical heat recovery coke oven crude gas
WO2014012353A1 (en) * 2012-07-16 2014-01-23 山西平遥峰岩煤焦集团有限公司 Two-product coking oven
CN108795446A (en) * 2018-08-14 2018-11-13 华中农业大学 A kind of removable two-box type flue gas indirectly heat fixation retort
CN108795446B (en) * 2018-08-14 2023-12-05 华中农业大学 Movable two-box type flue gas indirect heating fixed carbonization furnace
CN109504403A (en) * 2018-09-14 2019-03-22 广州叶林环保科技有限公司 A kind of organic solid dangerous waste anaerobic carbonization treatment process

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C19 Lapse of patent right due to non-payment of the annual fee
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