CN204174158U - A kind of external-heat low-temperature pyrolysis stove - Google Patents
A kind of external-heat low-temperature pyrolysis stove Download PDFInfo
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- CN204174158U CN204174158U CN201420060761.1U CN201420060761U CN204174158U CN 204174158 U CN204174158 U CN 204174158U CN 201420060761 U CN201420060761 U CN 201420060761U CN 204174158 U CN204174158 U CN 204174158U
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- temperature pyrolysis
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- 238000000197 pyrolysis Methods 0.000 title claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 73
- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 24
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 238000005338 heat storage Methods 0.000 claims abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 14
- 239000011449 brick Substances 0.000 claims abstract description 11
- 230000001172 regenerating effect Effects 0.000 claims abstract description 3
- 241000264877 Hippospongia communis Species 0.000 claims abstract 2
- 239000000919 ceramic Substances 0.000 claims abstract 2
- 239000003034 coal gas Substances 0.000 claims description 19
- 239000000112 cooling gas Substances 0.000 claims description 12
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000010425 asbestos Substances 0.000 claims description 2
- 229910052895 riebeckite Inorganic materials 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 13
- 239000003245 coal Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000005297 material degradation process Methods 0.000 abstract 1
- 239000011343 solid material Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 9
- 238000007599 discharging Methods 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 239000011269 tar Substances 0.000 description 5
- 238000004939 coking Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000012265 solid product Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011285 coke tar Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000035924 thermogenesis Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
A kind of external-heat low-temperature pyrolysis stove, belongs to Coal Chemical Industry low-temperature pyrolysis field.Have the multiple gas burners arranged along short transverse in stove, the centre of two side combusion chambers has the cross section arranged along short transverse be the gas collection umbrella of umbrella shape, is used for collecting the pyrolysis product that umbrella both sides are subject to the feed material degradation generation of combustion chamber furnace wall heating.This pyrolysis product flows in gas collection umbrella, and gas collection umbrella two ends connect vertically arranged collecting pipe respectively, and pyrolysis product is derived outside stove.The gas distribution channel and cold gas collection chamber that cool for thermal material are arranged at the bottom of body of heater.The furnace wall of burner ends is embedded in the heat storage that ceramic honey comb regenerative block or refractory brick are made, and is used for carrying out flue gas and air heat-exchange, to improve gas retort thermo-efficiency.The utility model uses the solid material of the natural grain class distribution of below 60mm, and raw material availability can reach 100%.The low-temperature pyrolysis production equipment (system) of large throughput can be formed by unit parallel combination.
Description
Technical field
The utility model relates to a kind of for solid-fuelled external-heat low-temperature pyrolysis stove, belongs to low-temperature pyrolysis field in Coal Chemical Industry.For the treatment of below 60mm solid fuel (such as brown coal, long-flame coal, resinous shale etc.), semi coking tar, coal gas and semicoke in being produced by low-temperature pyrolysis.
Background technology
It is that mainly use the internal thermal upright furnaceman skill of gaseous heat-carrier, the application and development of internal heat type distillation process is very ripe in god mansion district, Shaanxi that domestic large-scale application low-temperature pyrolysis technique carries out Coal at Low Temperature destructive distillation.This processing requirement uses raw material granularity at the lump coal of 20 ~ 120mm.The gas mixture of air and coal gas burns between the space that lumpy material natural packing is formed, and heat is directly passed to material.The heat smoke that burning produces moves upward and takes away pyrolysis product simultaneously, and with material heat-shift in uphill process, mixed gas temperature constantly reduces, until gas mixture and pyrolysis product are exported outside stove.
Owing to burning in a large number, the flue gas produced mixes with the coal gas that pyrolysis produces, and in the coal gas of this technique output, a nitrogen content is up to more than 46%, and caloric power of gas is low, unit raw material gas production rate is large, recovery system is huge, and the phenol-containing wastewater internal circulating load directly cooled for coal gas is large, and running cost is higher.
External-heat distillation process is owing to separating by heat-conduction wall in combustion chamber and destructive distillation room, the flue gas that burning produces does not mix with carbonization gas, therefore unit raw material gas production rate is low, only have about 20% of internal heat type technique, recovery system is little, caloric power of gas is high, and the coal-tar middle oil concentration of coal gas is high, is conducive to burnt oil recovery.
Usual externally heated retort oven is respectively equipped with combustion chamber in coking chamber both sides, and the heat that fuel produces in combustion chambers burn transfers heat to the material in coking chamber by heat-conduction wall, and the split product that material decomposes produces upwards is exported outside stove at furnace roof.Because 80% of split product moves upward along furnace wall and the higher position of temperature, pyrolysis product is heated twice decomposition, wherein coke tar cracking causes tar yield to decline, and tar is worth the highest in low-temperature pyrolysis product, the reduction of product yield result in the decline of the profitability of whole production system.
Conventional externally heated retort oven usually arranges regenerator at combustion product gases exhaust channel and is used for recovered flue gas heat, and heat storage generally adopts clayey checker brick, and regenerator is bulky, although long being not easy to of life cycle is safeguarded.
The ingredient requirement that the external-heat low-temperature pyrolysis stove that furnace roof derives pyrolysis product adopts has certain size range, containing too many powder raw material, can not be beneficial to the discharge of pyrolysis product.The requirement that this gas derives mode and raw material granularity also causes system heat transfer speed comparatively slow, and single stove throughput is lower.
Along with the application of low-temperature pyrolysis technique expands, Construction Party requires that the utilization ways of coal gas wants variation and single stove throughput to expand, and requires that the type of furnace, technique can be applied to small-particle (mainly below 20mm) raw material simultaneously.The variation of gas utilize approach requires that the unwanted contributions of nitrogen class in coal gas is minimum or does not have to realize, and external-heat low-temperature pyrolysis technique is exactly a kind of selection.
Summary of the invention
The purpose of this utility model solves pyrolysis product (mainly tar) by a technical difficult problem for thermo-cracking, makes single stove throughput be extended to more than 300,000 tons/year with unit parallel way.A kind of external-heat low-temperature pyrolysis of the utility model stove, achieving pyrolysis product low temperature by furnace interior composition optimizes derives, and utilize useless flue gas cooling solid product, the heat smoke after heat exchange is used for dried feed, improves the thermo-efficiency of system.
For realizing the purpose of this utility model, a kind of external-heat low-temperature pyrolysis stove, some gas combustion chambers are arranged along short transverse horizontal parallel in the furnace wall of body of heater each unit both sides, in the middle part of burner hearth, arrange that multiple cross section is the gas collection umbrella that the employing cast iron of umbrella shape or temperature-resistant material are made into along short transverse, gas collection umbrella on same vertical line is connected on the effuser that is embedded in the furnace wall of two ends, effuser cross section is circular, also can be made into square structure for reducing difficulty of construction; For ease of safeguarding, effuser also can be arranged on body of heater outside; Embed heat storage in burner ends to be used for reclaiming combustion product gases heat, lower portion of furnace body arranges the cooling gas distribution channel being used for cooling heat material and the cold gas collection chamber collecting cold gas.
Combustion chamber using heat-conduction wall and destructive distillation material are isolated, and use laying fireproof bricks sealing coat between upper lower combustion chamber, between adjacent cells combustion chamber by combustion chamber partition wall separately, so that each combustion chamber is controlled separately, make each chamber temperature and intensity of combustion consistent.
Burner ends furnace wall is embedded in heat storage, and air enters combustion chamber after side heat storage is heated; Coal gas sprays into combustion chamber at air inlet side by distribution piping, in combustion chamber, realize diffusion combustion.Heat smoke after burning, is discharged out of the furnace by flue after transferring heat to heat storage through heat storage at combustion chamber opposite side.Air and coal gas approach axis and the outer Valve controlling timing reversing of flue gas discharge direction stove.
Near the material decomposes of combustion chamber heat-conduction wall in coking chamber, the pyrolysis product of generation is being lowered the temperature by the colder material of its process in the gas collection umbrella motion at middle part, thus avoids the second pyrolysis of tar.Owing to being furnished with multiple gas collection umbrella along short transverse, all even quick derivation of pyrolysis product in short transverse can be realized.
For ease of maintenance and the replacing of heat storage, the heat storage employing asbestos wool fireclay in embedding furnace wall is bonding builds by laying bricks or stones.
Lower portion of furnace body adopts the beveled structure of metal making through cooling gas distribution channel or uses the laying fireproof bricks with perforate to form, cold flue gas and the thermal material heat exchange of the bed of material is sent into by cooling gas distribution channel, make temperature of charge be down to less than 150 DEG C, then discharged out of the furnace by the material discharging machine that bottom connects.Enter cold gas collection chamber through the flue gas after bed of material heat exchange, then the pipeline through isothermal holding connected through collection chamber side is sent to and is done raw material drying; The furnace wall of cold gas collection chamber can use laying fireproof bricks or use refractory castable to be made.
The utility model one is used for solid-fuelled external-heat low-temperature pyrolysis stove, multiple combustion chamber and multiple gas collection umbrella is arranged along short transverse respectively in stove, the production capacity of single stove can be increased by the quantity and parallel units quantity increasing combustion chamber, thus the maximization of implement device.
The beneficial effects of the utility model are compared with the prior art:
1, owing to arranging multiple combustion chamber along short transverse in stove, combustion chamber can make burning and temperature distribution through optimization evenly, regulation and control of being more convenient for;
2, owing to arranging multiple gas collection umbrella along short transverse in burner hearth, it is shorter that pyrolysis product derives path, and furnace pressure is lower, and body of heater pressure-bearing is less; Pyrolysis product flows to low temperature side, avoids the second pyrolysis of pyrolysis product;
3, owing to arranging multiple gas collection umbrella along short transverse in stove, unit raw material gas production rate is little in addition, and it is low that pyrolysis product penetrates bed of material speed in stove, essentially eliminates the possibility of gas entrainment dust;
4, lower portion of furnace body is provided with cooling gas distribution channel, and the heat smoke formed after the bed of material of cooling gas through heat, by sending the raw material drying gas being made into stokehold through the pipeline of isothermal holding, make use of the sensible heat of destructive distillation product, improves the thermo-efficiency of system.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the utility model better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model.Schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is the utility model elementary cell principal section schematic diagram;
Fig. 2 is that the utility model A-A is to sectional view;
Fig. 3 is that the utility model B-B is to sectional view;
Fig. 4 is that the utility model C-C is to sectional view;
Fig. 5 is that the utility model D-D is to sectional view;
Fig. 6 is that the utility model E-E is to sectional view;
Fig. 7 is that the utility model F-F is to sectional view.
Fig. 8 a kind of variant embodiment of the present utility model;
Fig. 9 is the unitized construction schematic diagram of the utility model embodiment.
Embodiment
Obviously, those skilled in the art belong to protection domain of the present utility model based on the many modifications and variations that aim of the present utility model is done.
Below in conjunction with drawings and Examples, the utility model is described in further detail, but not as to improper restriction of the present utility model.
Fig. 1 is a basic cell structure, is formed the single-unit furnace of larger throughput based on this modular construction by multiple series-parallel system.The burner hearth that this elementary cell is surrounded by combustion chamber, gas collection umbrella, collecting pipe, combustion chamber heat-conduction wall and side furnace wall, the cooling gas distribution channel of bottom, cold gas collection chamber, regenerative block etc. form.The lower guide hopper of body of heater connects discharging machine, and material in stove can evenly be discharged out of the furnace.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of be used for solid-fuelled external-heat low-temperature pyrolysis stove, comprise feed(raw material)inlet 1, body of heater 2, combustion chamber partition wall 3, heat-conduction wall 4, gas collection umbrella 5, cold gas export mouth 6, cold gas distribution channel 7, product deflector chute 8, cold gas collection chamber 9, gas allocation pipe 10, gas allocation pipe 10 ', heat storage 11, air send into pipe 12 and flue gas delivery line 12 ', coal gas effuser 13, combustion chamber 14.Combustion chamber 14 is arranged symmetrically with gas collection umbrella 5 median vertical line, and both sides heat-conduction wall 4 and two ends furnace wall are encircled into burner hearth, and product deflector chute 8 bottom connects discharging machinery.Gas collection umbrella 5 adopts cast iron or temperature resistant metallic to be made; Gas collection umbrella 5 on same vertical line is connected on two effusers 13 at two ends, and effuser 13 can be embedded in the furnace wall of side, also can be arranged on body of heater outside, and effuser 13 cross section be embedded in furnace wall can be circular, also can be square structure; The beveled structure that cooling gas distribution channel 7 adopts metal to make or use forms with the laying fireproof bricks of perforate; The furnace wall of cold gas collection chamber 9 can use laying fireproof bricks or use refractory castable to be made.
Feed coal after preliminary broken or dried enters in burner hearth through raw material feeding mouth 1, to enter in burner hearth feed distribution between heat-conduction wall 4 and gas collection umbrella 5, materials downward enters cooling section, through product deflector chute 8 by discharging machinery is discharged out of the furnace after being cooled by flue gas.
Air is sent into pipe 12 by air and is sent into, warm air after heat storage 11 heat exchange enters combustion chamber 14, coal gas sends into combustion chamber 14 by gas allocation pipe 10, burn in hot blast, horizontal flow in combustion product gases combustible gas 14, by and transfer heat to the heat storage 11 of offside, after cooling, flue gas discharges out of the furnace through flue gas delivery line 12 ', and now gas allocation pipe 10 ' is closed.Pipeline 12 and 12 ' controls timing reversing with gas allocation pipe 10 and 10 ' by outside corresponding pipeline valve.
The heat that gas-fired produces passes to the material between heat-conduction wall 4 and gas collection umbrella 5 by heat-conduction wall 4, material is by thermogenesis split product, product is collected by gas collection umbrella 5, and this product level in gas collection umbrella 5 flows into coal gas effuser 13 to two ends, then derives outside stove through coal gas effuser 13; Solid product after decomposes moves downward, and is cooled by the cooling gas from ejection in cold gas distributing pipelines 7, continues to be discharged out of the furnace by the discharge machinery that bottom connects through product deflector chute 8 downwards.
Cooling gas is entered in stove by the perforate of cold gas distribution channel 7 side and contacts with hot solids material and make it lower the temperature, and the cold gas after heat exchange enters cold gas collection chamber 9.Heat smoke is derived outside stove through cold gas export mouth 6, sends to be made into stove raw material drying through calorifier.
Embodiment 1: as shown in Figure 8, this embodiment is the one distortion of elementary cell.This embodiment cooling gas uses self produced gas, and the refractory masonry between lower floor combustion chamber and cold gas collection chamber is provided with perforate, and the coal gas after heat exchange enters combustion chamber by perforate, and coal gas burns in hot blast.This embodiment cancels the gas allocation pipe 10 and 10 ' of both sides, lower floor combustion chamber.
Embodiment 2: as shown in Figure 9, this embodiment is a kind of array mode of basic structural unit.Several basic structural units are parallel together formation large-scale low-temperature gas retort, and there is multiple discharging mechanism its underpart, adopt coordinated signals; Each unit combustion chamber intake and exhaust pipeline is connected with total intake and exhaust total pipeline respectively by arm, total pipeline is arranged automatic diverter valve and realizes commutation process and automatically control; Each unit coal gas effuser 13 is connected with gas gathering manifold by arm, and gas gathering manifold is connected to recovery system.
As mentioned above, embodiment of the present utility model is illustrated, but as long as do not depart from inventive point of the present utility model in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection domain of the present utility model.
Claims (9)
1. an external-heat low-temperature pyrolysis stove, be characterized in: in furnace wall, be provided with the multiple gas burners arranged along short transverse, have the cross section arranged along short transverse be the gas collection umbrella of umbrella shape in the middle part of the burner hearth that two side combusion chambers and side furnace wall surround, the effuser in furnace wall is buried in the connection of gas collection umbrella two ends; The cooling gas distribution channel and cold gas collection chamber that cool for thermal material are arranged at the bottom of body of heater; The furnace wall of burner ends is embedded in ceramic honey comb regenerative block.
2. a kind of external-heat low-temperature pyrolysis stove according to claim 1, it is characterized in that: air enters combustion chamber in side, combustion chamber by heat storage, coal gas enters combustion chamber by distribution piping, flue gas horizontal flow in combustion chamber that mixed firing produces, discharge out of the furnace after opposite side is lowered the temperature by heat storage, air and coal gas enter the discharge direction timing reversing with flue gas.
3. a kind of external-heat low-temperature pyrolysis stove according to claim 1, is characterized in that: gas collection umbrella adopts cast iron or temperature resistant metallic material to make.
4. a kind of external-heat low-temperature pyrolysis stove according to claim 1, is characterized in that: the heat storage embedded in furnace wall adopts asbestos wool fireclay fixed bonding.
5. a kind of external-heat low-temperature pyrolysis stove according to claim 1, is characterized in that: described cooling gas distribution channel adopts the beveled structure of metal making or uses the laying fireproof bricks with perforate to form.
6. a kind of external-heat low-temperature pyrolysis stove according to claim 1, is characterized in that: the furnace wall of cold gas collection chamber can use laying fireproof bricks or use refractory castable to be made.
7. a kind of external-heat low-temperature pyrolysis stove according to claim 1, is characterized in that: combustion chamber placement, in furnace wall, utilizes in heat-conduction wall and burner hearth and kept apart by the material heated.
8. a kind of external-heat low-temperature pyrolysis stove according to claim 1, is characterized in that: use the partition wall of laying fireproof bricks to separate between adjacent combustion chamber, makes each combustion chamber independent mutually.
9. a kind of external-heat low-temperature pyrolysis stove according to claim 1, it is characterized in that: the gas collection umbrella on same vertical line is connected on two effusers at two ends, effuser can be embedded in the furnace wall of side, also body of heater outside can be arranged on, the effuser cross section be embedded in furnace wall can be circular, also can be square structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060761.1U CN204174158U (en) | 2014-02-10 | 2014-02-10 | A kind of external-heat low-temperature pyrolysis stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420060761.1U CN204174158U (en) | 2014-02-10 | 2014-02-10 | A kind of external-heat low-temperature pyrolysis stove |
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| Publication Number | Publication Date |
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| CN204174158U true CN204174158U (en) | 2015-02-25 |
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| CN201420060761.1U Expired - Lifetime CN204174158U (en) | 2014-02-10 | 2014-02-10 | A kind of external-heat low-temperature pyrolysis stove |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062525A (en) * | 2015-08-03 | 2015-11-18 | 中冶焦耐工程技术有限公司 | Gas collection apparatus in charring chamber |
| CN105176551A (en) * | 2015-09-30 | 2015-12-23 | 东北电力大学 | Gas distribution device for oil shale retorting furnace |
| CN105754621A (en) * | 2016-04-01 | 2016-07-13 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-circulating fluidized bed combined system and method for treating coal by utilizing same |
| CN105861010A (en) * | 2016-06-16 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Coal-pyrolysis-reactor and circulating-fluidized-bed-boiler combination system and method for treating coal |
| CN105861008A (en) * | 2016-04-01 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-pulverized coal boiler combined system and coal treatment method using same |
| CN107513396A (en) * | 2017-08-31 | 2017-12-26 | 榆林煤化工产业促进中心 | A kind of fine coal drying oven dried based on packed bed and drying device and technique based on the drying oven |
| CN107858163A (en) * | 2017-09-27 | 2018-03-30 | 榆林煤化工产业促进中心 | A kind of mixed coal prepares the device of carbon-rich solids cleaning products |
-
2014
- 2014-02-10 CN CN201420060761.1U patent/CN204174158U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062525A (en) * | 2015-08-03 | 2015-11-18 | 中冶焦耐工程技术有限公司 | Gas collection apparatus in charring chamber |
| CN105062525B (en) * | 2015-08-03 | 2017-09-08 | 中冶焦耐工程技术有限公司 | Gas collecting apparatus in carbonization chamber |
| CN105176551A (en) * | 2015-09-30 | 2015-12-23 | 东北电力大学 | Gas distribution device for oil shale retorting furnace |
| CN105754621A (en) * | 2016-04-01 | 2016-07-13 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-circulating fluidized bed combined system and method for treating coal by utilizing same |
| CN105861008A (en) * | 2016-04-01 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-pulverized coal boiler combined system and coal treatment method using same |
| CN105861010A (en) * | 2016-06-16 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Coal-pyrolysis-reactor and circulating-fluidized-bed-boiler combination system and method for treating coal |
| CN107513396A (en) * | 2017-08-31 | 2017-12-26 | 榆林煤化工产业促进中心 | A kind of fine coal drying oven dried based on packed bed and drying device and technique based on the drying oven |
| CN107513396B (en) * | 2017-08-31 | 2024-05-07 | 榆林煤化工产业促进中心 | Pulverized coal drying furnace based on packed bed drying and drying device and process based on drying furnace |
| CN107858163A (en) * | 2017-09-27 | 2018-03-30 | 榆林煤化工产业促进中心 | A kind of mixed coal prepares the device of carbon-rich solids cleaning products |
| CN107858163B (en) * | 2017-09-27 | 2024-02-20 | 榆林煤化工产业促进中心 | Device for preparing carbon-rich solid cleaning product by mixing coal |
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