CN203269882U - Pyrolysis catalysis gasifier for domestic garbage - Google Patents
Pyrolysis catalysis gasifier for domestic garbage Download PDFInfo
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- CN203269882U CN203269882U CN2013201823613U CN201320182361U CN203269882U CN 203269882 U CN203269882 U CN 203269882U CN 2013201823613 U CN2013201823613 U CN 2013201823613U CN 201320182361 U CN201320182361 U CN 201320182361U CN 203269882 U CN203269882 U CN 203269882U
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- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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Abstract
The utility model relates to a pyrolysis catalysis gasifier for domestic garbage. The pyrolysis catalysis gasifier comprises a gasifier body of a downdraft gasifier, wherein a feeding device is arranged at the top of the furnace body, the furnace body is internally provided with a drying area, a cracking area and a throat area, wherein grate bars is configured at the bottom of a reducing zone, a jacket catalysis fixed bed is arranged at the periphery of the throat area of the furnace body, a fuel gas chamber is arranged below the grate bars, and an ash discharge machine is configured at the lower part of the fuel gas chamber. According to the gasifier ptovided by the utility model, heavy oil or tar in a fuel gas product is subjected to catalytic cracking to be transformed into fuel gas components, so that the conversion rate of the fuel gas is improved; the fuel gas passes through a catalyst to filter out dust contained in the fuel gas, thus quality of the fuel gas is greatly improved, phenomena of overpressure hidden troubles and production stop for maintenance because the tar blocks a fuel gas pipeline and a valve are avoided, and the pyrolysis catalysis gasifier has good industrial applicability.
Description
Technical field
The utility model relates to a kind of down-draft type gasifying furnace, particularly, is a kind of domestic garbage pyrolysis catalysis down-draft type gasifying furnace with catalytic unit, belongs to the environmental protection equipment field;
Background technology
Along with improving constantly of people's living standard, the organic waste content in domestic refuse constantly rises, and the carbohydrate in organic waste or biomass (as melon and fruit peel, vegetables residue, surplus food etc. after the meal) belong to the main body composition of domestic refuse; Common, domestic refuse is in pyrolysis, destructive distillation, gasification, hydro carbons in domestic refuse (as plastic waste) and carbohydrate (as paper scrap, wood, cloth, grass, surplus food etc. after the meal) easily produce hydro carbons heavy oil and the biomass coke tar that is not decomposed fully, be entrained with heavy oil and the tar of a great deal of in the combustion gas product that causes pyrolytic gasification stove to be discharged, block gas pipeline and valve when serious, and the phenomenon of superpressure potential safety hazard and stop production to overhaul often occurs, what seriously impact was produced normally carries out; Especially, exist the defective of the reduction of combustion gas product yield, cost up and the deficiency in economic performance of domestic garbage resource utilization;
Summary of the invention
The purpose of this utility model is exactly defective and the deficiency that will overcome and make up prior art, the polymer heavy oil carried secretly in the combustion gas product and tar are carried out the domestic garbage pyrolysis catalysis that the high-temperature catalytic cracking becomes micromolecular gas component produces the down-draft type gasifying furnace of combustion gas thereby provide a kind of.
The purpose of utility model realizes as follows:
The pyrolysis catalytic vapourizing furnace of one way of life rubbish comprises: the body of heater of down-draft type gasifying furnace, and top configuration charging opening and the feeding device of body of heater have drying zone, cracking zone, and trunnion district (comprising oxidation zone and reduction zone) in body of heater; The trunnion district is connected with vaporized chemical (as air or oxygen) inlet pipe and steam inlet duct respectively; The grate of the bottom configuration ash discharge in trunnion district, configure ash damper below grate, the periphery configure jacketed type catalytic fixed bed in body of heater trunnion district, in the jacketed type catalytic fixed bed, pellet type catalyst is housed, the top of jacketed type catalytic fixed bed configures respectively catalyst charging hole and gas outlet, jacketed type catalytic fixed bed bottom configuration fuel gas inlet and catalyzer discharging outlet, between the fuel gas inlet of jacketed type catalytic fixed bed bottom and fuel chamber, configuration catalyzer dividing plate with holes falls into fuel chamber to prevent catalyzer, but gas is communicated; Be fuel chamber below grate, the bottom of fuel chamber configures the lime-ash discharging machine, leaves storage ash space and the combustion gas spatial cache of certain distance between grate and lime-ash discharging machine.
Described catalyzer dividing plate with holes belongs to the steel orifice plate of aperture at 3-9mm;
Described catalyzer belongs to the solid catalyst for cracking of particle, bar shaped or other shape;
Described lime-ash discharging machine belongs to worm conveyor or reciprocating type pushing device;
Described grate can be fixed grate, or disc type rotary fire grate, all possesses the dual function of ash discharge and ventilation;
The catalyst charging hole of described jacketed type catalytic fixed bed and catalyzer discharging outlet adopt flanged (FLGD) steel to cover the plate sealing;
Described ash damper configures or presses the bevel direction configuration of spending less than 90 by 90 degree perpendicular directions with the grate sea line;
The body of heater of described down-draft type gasifying furnace belongs to down-draft type gasifying furnace, mainly is made of refractory materials and thermal insulation layer;
principle of work of the present utility model is: garbage raw material passes through drying zone successively in down-draft type gasifying furnace, cracking zone, oxide compound, behind the reduction zone, raw material is vaporized generating gas and lime-ash product, lime-ash and combustion gas product were gone here and there grate downwards and were entered into fuel chamber, lime-ash drops in the lime-ash discharging machine of fuel chamber bottom and is discharged from vapourizing furnace, combustion gas is walked around the grey dividing plate of gear and was entered in the jacketed type catalytic fixed bed except going here and there catalyzer dividing plate with holes after dust, directly contact the generation catalytic cracking reaction with the catalyst for cracking in fixed bed, make polymer tar or the heavy oit pyrolysis carried secretly in combustion gas become micromolecular incoagulability gas component (H ﹠lt, sub TranNum="71" ﹠gt, 2 ﹠lt, /sub ﹠gt, , C ﹠lt, sub TranNum="72" ﹠gt, 1 ﹠lt, /sub ﹠gt,-C ﹠lt, sub TranNum="73" ﹠gt, 4 ﹠lt, /sub ﹠gt, , CO), by catalyzed reaction, deep pyrolytic is carried out in combustion gas and removes tar and the heavy oil that contains in combustion gas, the heat of high temperature that the heat of high temperature that the needed heat of catalyzed reaction contains from combustion gas self and the district's thermal radiation of body of heater trunnion are distributed, especially, when the combustion gas string is crossed pellet type catalyst, filter out or isolated the dust of carrying secretly in the combustion gas, having purified combustion gas, bringing up to the quality of combustion gas.
This practical new advantage is:
the thermal radiation that utilizes the waste heat that produces after garbage raw material generation thermal chemical reaction or down-draft type gasifying furnace throat region to produce, supply with the needed heat of catalyzed reaction, polymer heavy oil and the tar carried secretly in the combustion gas product are carried out catalytic pyrolysis, be transformed into micromolecular Gas Components, improved the generation transformation efficiency of combustion gas, improved the heat utilization rate that raw material produces, cross pellet type catalyst by the combustion gas string and remove by filter the dust of carrying secretly in combustion gas, greatly improve and improved the quality of combustion gas, therefore, overcome in producing and to have blocked superpressure potential safety hazard that gas pipeline and valve occur and the phenomenon of stop production to overhaul because of tar, production is carried out normally,
Description of drawings
Fig. 1 is structural representation of the present utility model
In Fig. 1, the body of heater of 1-vapourizing furnace; The 2-refractory insulating layer; The 3-charger; 4-jacketed type catalytic fixed bed; The 5-gas outlet; 6-catalyst charging hole orifice plate; The 7-pellet type catalyst; 8-vaporized chemical (as air or oxygen) inlet pipe; 9-water vapour inlet pipe; The catalyzer dividing plate that 10-is with holes; 11-catalyzer discharge opening orifice plate; The outlet of 12-lime-ash; Lime-ash after the 13-burning; 14-lime-ash discharging machine; The 15-grate; 16-keeps off grey dividing plate; 17-fuel chamber;
Embodiment
as shown in Figure 1, the pyrolysis catalytic vapourizing furnace of one way of life rubbish, comprise: the body of heater of down-draft type gasifying furnace (1), top configuration charging opening and the charger (3) of body of heater (1), body of heater has drying zone in (1), cracking zone, and trunnion district (being oxidation zone and reduction zone), the trunnion district is connected with vaporized chemical inlet pipe (8) and steam inlet duct (9) respectively, the grate (15) of the bottom configuration ash discharge in trunnion district, configuration files hawk (16) below grate (15), the periphery configure jacketed type catalytic fixed bed (4) in body of heater (1) trunnion district, solid particulate dress catalyst for cracking (7) is housed in jacketed type catalytic fixed bed (4), the top of jacketed type catalytic fixed bed (4) configures respectively catalyst charging hole (6) and gas outlet (5), jacketed type catalytic fixed bed (4) bottom configuration fuel gas inlet and catalyzer discharging outlet (11), between the fuel gas inlet of jacketed type catalytic fixed bed (4) bottom and fuel chamber (17), configuration catalyzer dividing plate (10) with holes falls into fuel chamber to prevent catalyzer, but gas is communicated, the top of combustion chamber (17) is grate (15), the bottom of fuel chamber (17) configures lime-ash discharging machine (14), leaves storage ash space and the combustion gas spatial cache of certain distance between grate (15) and lime-ash discharging machine (14).
During work, garbage raw material joins in the body of heater (1) of down-draft type gasifying furnace by charger (3), raw material is at first in the superiors of material, namely be in drying zone, at drying zone owing to being subjected to the thermal radiation of hot gas in hot gas and bottom cracking zone in peripheral jacketed type catalytic fixed bed (4), absorb heat, evaporate the moisture in raw material, become dry material; Consumption along with material afterwards is moved down into cracking zone, because the temperature of cracking zone is high, the temperature that has reached volatilization and decomposed, thereby raw material begins cracking, the volatility combustion gas begins to produce, dry material is decomposed into charcoal, volatility combustion gas, tar or heavy oil etc. gradually, and the charcoal that generates continues to move down the oxidation zone that falls in the trunnion district along with the consumption of material; Vaporized chemical (air or oxygen) enters into oxidation zone through inlet pipe (8), in oxidation zone, the charcoal and the oxygen in vaporized chemical that are generated by cracking zone carry out combustion reactions generation carbonic acid gas, carbon monoxide, and emit a large amount of heat energy, these heat energy have guaranteed carrying out smoothly of raw material manufacturing combustion gas whole process; Used up charcoal does not move up into the reduction zone under continuing in reaction, and in the reduction zone, the carbonic acid gas generation reduction reaction that charcoal and cracking zone and oxidation zone generate generates carbon monoxide; Charcoal also with enter into water vapour in the reduction zone from steam inlet duct (9) and react and generate hydrogen and carbon monoxide, the lime-ash that burning produces was gone here and there grid (15) downwards and was fallen into the lime-ash discharging machine (14) of body of heater (1) bottom, discharged through lime-ash outlet (12);
In the body of heater (1) of down-draft type gasifying furnace, air-flow flows downward, enter into fuel chamber (17) by grate (15), the water vapour that drying zone generates and in the high temperature gas-phase product that cracking zone the decomposites trunnion gasification zone (being the redox district) of flowing through downwards; in trunnion gasification zone generation redox reaction, simultaneously because the temperature of oxidation zone is high, cracking occurs in part tar and heavy oil by oxidation zone the time, become the inflammable gas component, the combustion gas that enters fuel chamber (17) is walked around the grey dividing plate of gear (16) except after dust, the catalyzer dividing plate (10) with holes of further going here and there enters in jacketed type catalytic fixed bed (4), catalyst for cracking (7) in combustion gas and jacketed type catalytic fixed bed (4) directly contacts the generation catalytic cracking reaction, make polymer tar or the heavy oit pyrolysis carried secretly in combustion gas become micromolecular incoagulability Gas Components (H ﹠lt, sub TranNum="83" ﹠gt, 2 ﹠lt, /sub ﹠gt, , C ﹠lt, sub TranNum="84" ﹠gt, 1 ﹠lt, /sub ﹠gt,-C ﹠lt, sub TranNum="85" ﹠gt, 4 ﹠lt, /sub ﹠gt, , CO), the heat of high temperature that the heat of high temperature that the needed heat of catalyzed reaction contains from combustion gas self and body of heater (1) trunnion district thermal radiation are distributed, especially, when the combustion gas string is crossed pellet type catalyst (7), filter out or isolated the dust of carrying secretly in the combustion gas, having purified combustion gas, bring up to the quality of combustion gas, constantly the combustion gas after catalysis and filtration is discharged from the gas outlet (5) of catalyst chamber (4).
Claims (3)
1. the pyrolysis catalytic vapourizing furnace of one way of life rubbish comprises it is characterized in that the body of heater of down-draft type gasifying furnace: top configuration charging opening and the charger of body of heater have drying zone, cracking zone, and trunnion district in body of heater; Described trunnion district is connected with vaporized chemical inlet pipe and steam inlet duct respectively; The grate of the bottom configuration ash discharge in described trunnion district, configure ash damper below described grate, the periphery configure jacketed type catalytic fixed bed in body of heater trunnion district, solid particulate dress catalyst for cracking is housed in described jacketed type catalytic fixed bed, the top of jacketed type catalytic fixed bed configures respectively catalyst charging hole and gas outlet, configuration catalyzer dividing plate with holes between fuel gas inlet bottom described jacketed type catalytic fixed bed bottom configuration fuel gas inlet and catalyzer discharging outlet, jacketed type catalytic fixed bed and fuel chamber; The top of combustion chamber is grate; The bottom of described fuel chamber configures the lime-ash discharging machine, leaves storage ash space and the combustion gas spatial cache of certain distance between described grate and lime-ash discharging machine.
2. the pyrolysis catalytic vapourizing furnace of one way of life rubbish according to claim 1, it is characterized in that: described lime-ash discharging machine belongs to worm conveyor or reciprocating type pushing device.
3. the pyrolysis catalytic vapourizing furnace of one way of life rubbish according to claim 1, it is characterized in that: described grate can be fixed grate, or disc type rotary fire grate, all possesses the dual function of ash discharge and ventilation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013201823613U CN203269882U (en) | 2013-04-07 | 2013-04-07 | Pyrolysis catalysis gasifier for domestic garbage |
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| CN2013201823613U CN203269882U (en) | 2013-04-07 | 2013-04-07 | Pyrolysis catalysis gasifier for domestic garbage |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756729A (en) * | 2014-02-19 | 2014-04-30 | 内蒙古科技大学 | Pulse downdraft type high-temperature fixed bed gasification furnace |
| CN104593082A (en) * | 2015-01-12 | 2015-05-06 | 广东节王电气科技有限公司 | Biomass gasifier with high tar cracking rate |
| CN105861072A (en) * | 2016-06-08 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Method and system for preparing high-concentration CO from waste carbon |
| CN105861073A (en) * | 2016-06-01 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Method and system for purifying CO fuel gas through continuous pyrolysis of carbon-containing organic matter |
| CN106635181A (en) * | 2016-12-15 | 2017-05-10 | 南宁广发重工集团有限公司 | Pyrolysis gasification furnace |
| WO2018028235A1 (en) * | 2016-08-09 | 2018-02-15 | 大连理工大学 | In-furnace self-tar-removing type organic solid fuel gasification device and method |
| CN107723009A (en) * | 2017-10-25 | 2018-02-23 | 浙江科技学院 | A kind of SOLID ORGANIC matter gasification reactor |
| CN107805510A (en) * | 2017-10-25 | 2018-03-16 | 浙江科技学院 | Purification reactor is reformed in a kind of SOLID ORGANIC matter pyrolytic gasification coupling |
| CN107964427A (en) * | 2017-10-25 | 2018-04-27 | 浙江科技学院 | A kind of device and technique of biomass production high-grade synthesis gas |
| CN110105987A (en) * | 2019-04-26 | 2019-08-09 | 浙江尚荣生物质能源有限公司 | The tar cracking device and its method of gasification furnace |
| CN110145743A (en) * | 2019-05-28 | 2019-08-20 | 张波 | A kind of English conduction device that disappears of refuse pyrolysis gasification furnace |
| CN110184092A (en) * | 2019-07-02 | 2019-08-30 | 宁波鑫亮环境科技有限公司 | A kind of gasification burner |
| CN110508122A (en) * | 2019-09-23 | 2019-11-29 | 无锡伦巴第科技有限公司 | A kind of Pintsch process gas disposal plant and processing method |
| CN112500872A (en) * | 2020-10-16 | 2021-03-16 | 周鼎力 | Method and equipment for low-temperature magnetization treatment of garbage |
| CN114561231A (en) * | 2022-02-21 | 2022-05-31 | 合肥工业大学智能制造技术研究院 | Downdraft biomass gasification furnace |
| CN115322812A (en) * | 2022-09-13 | 2022-11-11 | 河南理工大学 | Fixed type sludge gasification, decoking and ash removal coupling waste incineration power generation device and method |
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2013
- 2013-04-07 CN CN2013201823613U patent/CN203269882U/en not_active Expired - Fee Related
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756729A (en) * | 2014-02-19 | 2014-04-30 | 内蒙古科技大学 | Pulse downdraft type high-temperature fixed bed gasification furnace |
| CN104593082B (en) * | 2015-01-12 | 2017-10-03 | 广东节王电气科技有限公司 | A kind of high biomass gasifying furnace of goudron lysis rate |
| CN104593082A (en) * | 2015-01-12 | 2015-05-06 | 广东节王电气科技有限公司 | Biomass gasifier with high tar cracking rate |
| CN105861073A (en) * | 2016-06-01 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Method and system for purifying CO fuel gas through continuous pyrolysis of carbon-containing organic matter |
| CN105861072A (en) * | 2016-06-08 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Method and system for preparing high-concentration CO from waste carbon |
| WO2018028235A1 (en) * | 2016-08-09 | 2018-02-15 | 大连理工大学 | In-furnace self-tar-removing type organic solid fuel gasification device and method |
| US10640174B2 (en) | 2016-08-09 | 2020-05-05 | Dalian University Of Technology | Apparatus and a method for solid fuel gasification with tar self-removed within the gasifier |
| CN106635181A (en) * | 2016-12-15 | 2017-05-10 | 南宁广发重工集团有限公司 | Pyrolysis gasification furnace |
| CN107723009A (en) * | 2017-10-25 | 2018-02-23 | 浙江科技学院 | A kind of SOLID ORGANIC matter gasification reactor |
| CN107805510A (en) * | 2017-10-25 | 2018-03-16 | 浙江科技学院 | Purification reactor is reformed in a kind of SOLID ORGANIC matter pyrolytic gasification coupling |
| CN107964427A (en) * | 2017-10-25 | 2018-04-27 | 浙江科技学院 | A kind of device and technique of biomass production high-grade synthesis gas |
| CN107723009B (en) * | 2017-10-25 | 2023-09-15 | 浙江科技学院 | Solid organic matter gasification reactor |
| CN107964427B (en) * | 2017-10-25 | 2023-09-15 | 浙江科技学院 | Device and process for producing high-grade synthesis gas by biomass |
| CN107805510B (en) * | 2017-10-25 | 2023-09-15 | 浙江科技学院 | Pyrolysis gasification coupling reforming purification reactor for solid organic matters |
| CN110105987A (en) * | 2019-04-26 | 2019-08-09 | 浙江尚荣生物质能源有限公司 | The tar cracking device and its method of gasification furnace |
| CN110145743A (en) * | 2019-05-28 | 2019-08-20 | 张波 | A kind of English conduction device that disappears of refuse pyrolysis gasification furnace |
| CN110184092A (en) * | 2019-07-02 | 2019-08-30 | 宁波鑫亮环境科技有限公司 | A kind of gasification burner |
| CN110508122A (en) * | 2019-09-23 | 2019-11-29 | 无锡伦巴第科技有限公司 | A kind of Pintsch process gas disposal plant and processing method |
| CN110508122B (en) * | 2019-09-23 | 2024-01-26 | 无锡爱普特设备科技有限公司 | High-temperature pyrolysis gas treatment device and treatment method |
| CN112500872A (en) * | 2020-10-16 | 2021-03-16 | 周鼎力 | Method and equipment for low-temperature magnetization treatment of garbage |
| CN114561231A (en) * | 2022-02-21 | 2022-05-31 | 合肥工业大学智能制造技术研究院 | Downdraft biomass gasification furnace |
| CN115322812A (en) * | 2022-09-13 | 2022-11-11 | 河南理工大学 | Fixed type sludge gasification, decoking and ash removal coupling waste incineration power generation device and method |
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Owner name: ZHOU DINGLI Effective date: 20150527 Owner name: CHONGQING CYCLE ENVIRONMENTAL CO., LTD. Free format text: FORMER OWNER: XING LI Effective date: 20150527 |
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Effective date of registration: 20150527 Address after: 400050 Chongqing Jiulongpo Yangjiaping forward branch No. 1 No. 17-7 Patentee after: Chongqing environmental protection Co., Seckel Patentee after: Zhou Dingli Address before: 102400, Beijing, Fangshan District good township transmission and Transformation Company Community Ming source South 1 Building No. two, unit 2-4 Patentee before: Xing Li |
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Effective date of registration: 20160612 Address after: 401120 Chongqing city in northern New Area of the open road No. 1590, building 7, 2 rivers while No. 8 Patentee after: Chongqing water dream Environmental Protection Technology Co., Ltd. Patentee after: Zhou Dingli Address before: 400050 Chongqing Jiulongpo Yangjiaping forward branch No. 1 No. 17-7 Patentee before: Chongqing environmental protection Co., Seckel Patentee before: Zhou Dingli |
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