CN105505474A - Combined type pyrolysis and gasification furnace - Google Patents
Combined type pyrolysis and gasification furnace Download PDFInfo
- Publication number
- CN105505474A CN105505474A CN201610015947.9A CN201610015947A CN105505474A CN 105505474 A CN105505474 A CN 105505474A CN 201610015947 A CN201610015947 A CN 201610015947A CN 105505474 A CN105505474 A CN 105505474A
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- China
- Prior art keywords
- heater
- furnace body
- vertical
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1246—Heating the gasifier by external or indirect heating
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a combined type pyrolysis and gasification furnace. The whole device comprises a horizontal furnace body, a vertical furnace body, a vapor leading device, a tar thermal cracking catalysis device and a cyclone dust removal device. The horizontal furnace body is perpendicularly communicated with the middle-lower portion of the vertical furnace body, the middle of the horizontal furnace body is communicated with the vapor leading device, and the other end of the vapor leading device is communicated with the middle-upper portion of the vertical furnace body. The lower end of the vertical furnace body is provided with a deslagging device, the interior of the upper end of the vertical furnace body is provided with the tar thermal cracking catalysis device which is communicated with the cyclone dust removal device through a combustible gas discharge pipeline. The horizontal furnace body is divided into a feeding section, a drying section and a pyrolysis and gasification section, the feeding section, the drying section and the pyrolysis and gasification section are combined into an inner-layer furnace body, the drying section and the pyrolysis and gasification section are combined into an outer-layer furnace body, the inner-layer furnace body stretches into the vertical furnace body, the outer-layer furnace body is connected with the barrel wall of the vertical furnace body, and the inner-layer furnace body and the outer-layer furnace body form an annular cavity. The combined type pyrolysis and gasification furnace is simple in structure, reasonable in design, high in continuous working capacity and high in pyrolysis and gasification efficiency.
Description
Technical field
The invention belongs to a kind of pyrolytic gasification technology that uses to process the equipment of the organic waste such as domestic refuse and straw from village, particularly a kind of combined pyrolytic vapourizing furnace.
Background technology
Along with the quickening of Development of China's Urbanization and the development of agricultural, the domestic refuse in city and the output of straw from village the like waste increasing, had a strong impact on city and rural ecotope.Big city adopts the mode of domestic garbage burning electricity generation, make Domestic Waste Minimization and resource utilization advantage very outstanding, but the domestic refuse in small city and small towns is due to comparatively small amt and compare the reasons such as dispersion, become difficult point and the emphasis of China's domestic waste improvement, current processing mode changes comprehensive treating process into by landfill.The treatment process that the combustiblerefuse sub-elected or stalk directly burn, although can solve combustiblerefuse or the large problem of stalk quantity, causes that the oxynitride in air increases, Greenhouse effect increases the weight of and “ dioxin " negative impact such as discharge.So be badly in need of a kind ofly not only to have processed domestic refuse and straw from village the like waste but also the equipment directly do not burned completely.
Summary of the invention
The object of the invention is to overcome above-mentioned prior art not enough, provide a kind of combined pyrolytic vapourizing furnace, the present invention has that pyrolytic gasification efficiency is high, energy consumption is little, non-stop run ability strong, without advantages such as tar blocking pipes.
Technical scheme of the present invention is achieved in that
A kind of combined pyrolytic vapourizing furnace, whole device comprises horizontal body of heater, vertically body of heater, water vapour caterpillar, tar thermo-cracking catalytic unit, slag discharging device and cyclone dust collector.Horizontal body of heater right-hand member and vertical body of heater middle and lower part vertical connection, middle part is communicated with water vapour caterpillar, and the water vapour caterpillar the other end is communicated with vertical body of heater middle and upper part.Vertical body of heater lower end is provided with slag discharging device, and inside, upper end is provided with tar thermo-cracking catalytic unit, and tar thermo-cracking catalytic unit is communicated with cyclone dust collector by combustible gas discharge pipe.
Described horizontal body of heater is round tube type body of heater, internal layer body of heater is formed by feed zone, dryer section and pyrolytic gasification section, dryer section and pyrolytic gasification section are provided with outer body of heater, internal layer body of heater stretches in vertical body of heater, outer body of heater is connected with vertical body of heater barrel, and internal layer body of heater and outer body of heater form annular cavity.
Described tar thermo-cracking catalytic unit comprises Venturi tube and plasma pyrolysis catalyst converter, and plasma pyrolysis catalyst converter is sleeved on Venturi tube outside.
The part that described water vapour caterpillar is communicated with horizontal body of heater internal layer body of heater is provided with netted venting hole.
Described internal layer furnace diameter is 500-5000mm, outer furnace diameter is 1000-5600mm, and horizontal stove body length is 1000-15000mm, and feed zone, dryer section and pyrolytic gasification section account for 1/3 respectively, vertical body of heater furnace diameter is 600-8000mm, is highly 2000-30000mm.
Usage level body of heater of the present invention and vertical body of heater, extend the combustiblerefuse residence time in a device, also extend the time of combustiblerefuse pyrolytic gasification, horizontal body of heater as gas transmission section, improves pyrolytic gasification efficiency and the non-stop run ability of device as conveying section, vertically body of heater simultaneously; In the present invention, overfire air is blasted in vertical body of heater, make the combustible gas combustion heat release of pyrolytic gasification provide energy for device, significantly reduce energy consumption; Tar thermo-cracking catalytic unit is provided with above vertical body of heater in the present invention, be small molecules inflammable gas by the tar thermo-cracking in inflammable gas, promote the polycondensation of tar simultaneously, generate coke, react further, reach the effect of tar removing, improve pyrolytic gasification efficiency and the non-stop run ability of device.
Accompanying drawing explanation
Fig. 1 is the structural representation of combined pyrolytic vapourizing furnace of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figure 1, a kind of combined pyrolytic vapourizing furnace, comprises horizontal body of heater 1, vertically body of heater 2, water vapour caterpillar 3, tar thermo-cracking catalytic unit 4, slag discharging device 5 and cyclone dust collector 6.Horizontal body of heater 1 is divided into feed zone 9 from left to right successively, dryer section 8 and pyrolytic gasification section 7, each segment length is respectively 1/3 of horizontal body of heater 1 overall length, hydraulic thrust materials device 11 and pushing plate 10 are housed on the left of feed zone 9, its radial direction is communicated with hopper 12, feed zone 9, dryer section 8 and pyrolytic gasification section 7 form horizontal internal layer body of heater 13, dryer section 8 and pyrolytic gasification section 7 place are also provided with outer body of heater 14, seal with internal layer body of heater 13 barrel on the left of it and be communicated with, right side and vertical body of heater 2 barrel seal and are communicated as one, form cavity, high-temperature combustible gas in vertical body of heater 2 can be heated the dryer section 8 in horizontal stove and pyrolytic gasification section 7, internal layer body of heater 13 stretches in vertical body of heater 2, water vapour introduction pipe C one end is communicated with the middle part of dryer section 8, and connectivity part is provided with netted venting hole 15, prevents combustiblerefuse or stalk from entering blocking device in water vapour caterpillar 3, and water vapor caterpillar 3 the other end is communicated with vertical body of heater 2 middle and upper part.Slag discharging device 5, ventilator trunk 19 and lighting-up tuyere 23 is provided with bottom vertical body of heater 2.
Slag discharging device 5 comprises slag-drip opening 20, transfer roller 17 and water seal slag bath 22, and slag-drip opening 20 to be arranged on bottom vertical body of heater 2 and to stretch in water, in order to avoid air enters vertical body of heater 2, realizes water seal.Transfer roller 17 and water seal slag bath 22 are all placed on the lower end of slag-drip opening 20, and transfer roller 17 to immerse in water seal slag bath 22 in water, ensure that the slag of discharging in vertical body of heater 2 fully cools, are then transferred out by cooled slag; Ventilator trunk 19 stretches in vertical body of heater 2, for whole device provides overfire air; Be provided with tar thermo-cracking catalytic unit 4 above vertical body of heater 2, it comprises Venturi tube 16 and Venturi tube 17, and wherein Venturi tube 17 is sleeved in Venturi tube 16, and Venturi tube 16 is communicated with combustible gas discharge pipe 18.In horizontal body of heater 1, in dryer section 8 and pyrolytic gasification section 7, vertically body of heater 2, Venturi tube 16 and combustible gas discharge pipe 18 place are respectively equipped with thermopair 24 and pressure transmitter 25, and thermopair 24 is communicated with PLC control system 27.
Combustiblerefuse or stalk enter the feed zone 9 of horizontal body of heater 1 by hopper 12, then hydraulic feeding device 5 promotes pushing plate 10 by combustiblerefuse or stalk compacting, prevent the gas leak phenomenon in gasification, realize material envelope, combustiblerefuse after compacting or stalk are sent to dryer section 8, progressively dry, then enter pyrolytic gasification section 7 and carry out pyrolytic gasification, the gas mixture composition after gasification is CO
2, CO, H
2, CH
4,n
2the inflammable gass such as O, gas mixture enters vertical body of heater 2 by internal layer cylinder 7, rise to tar thermo-cracking catalytic unit 4 place, tar in gas mixture is discharged vertical body of heater 2 through combustible gas discharge pipe 18 together with the small portion Pintsch process combustible gas that to be small molecules hydrocarbon gas produce with pyrolytic gasification herein and is entered in cyclone dust collector 6, recycles after carrying out dedusting; Major part tar generates coke by polyreaction, the water vapour of dryer section 8 generation simultaneously and the gas mixture of part combustible gas pass into vertical body of heater 2 from netted venting hole 15 through water vapour caterpillar 3 and enter into tar thermo-cracking catalytic unit 4, react with coke, generate inflammable gas.Slag after pyrolytic gasification along with pusher process enter vertical body of heater 2 by horizontal burner hearth A after fall into slag-drip opening 20, fall on the transfer roller 17 of water seal, discharged successively by slag discharging device 5 after abundant cooling.In the continuous operational process of device, the ventilator trunk 19 bottom vertical body of heater 2 passes into overfire air continuously, makes the part combustible gas combustion heat release in vertical body of heater 2, for whole device provides heat, maintains each section of temperature.The outer body of heater 14 of horizontal body of heater 1, vertically body of heater 2 barrel and water vapour caterpillar 3 pipeline are all covered with thermal insulation layer 26.
When the present invention uses for the first time, in vertical body of heater 2, the fuel such as firewood or stalk is thrown in by hopper 12 and hydraulic feeding device 5, start in the igniting of vertical body of heater 2 base point burner 23 place, simultaneously place combustiblerefuse or stalk at the feed zone 9 of horizontal body of heater 1 and dryer section 8, open hydraulic feeding device 4, ensure material envelope, when each section of temperature reaches requirement, and started when pyrolytic gasification section 7 produces enough combustible gases.Now do not need to use fuel to heat pyrolysis oven, after completing startup, no longer need external heat source yet.
Combustiblerefuse or stalk enter after in horizontal pyroliser, and progressively dry in dryer section 8, temperature 90-200 DEG C, then enters pyrolytic gasification section 7, temperature 300-500 DEG C, and under the conditions such as high temperature, dry distillation reactor occurs, and organic macromolecular cleavage becomes small molecules state CO
2, CO, H
2, CH
4, N
2the inflammable gass such as O.In pyrolytic gasification process, the present invention, by reducing the generation of dioxin precursor, inhibits the generation of dioxin, and the metals such as Cu, Fe simultaneously in combustiblerefuse or stalk not easily generate the catalyzer promoting that dioxin generates, and also inhibits the generation of dioxin.Combustible gas rises to Venturi tube 16 in vertical body of heater 2, in this process, combustible gas is by the heat source to 600 DEG C bottom vertical body of heater 2, combustible gas is by tar thermo-cracking catalytic unit 4,1000-1200 DEG C is heated to by plasma pyrolysis catalyst converter 17, tar is cracked into combustible gas by high-temperature catalytic herein, reaches detarred object.
Claims (5)
1. a combined pyrolytic vapourizing furnace, it is characterized in that: comprise horizontal body of heater (1), vertical body of heater (2), water vapour caterpillar (3), tar thermo-cracking catalytic unit (4), slag discharging device (5) and cyclone dust collector (6), horizontal body of heater (1) right-hand member and vertical body of heater (2) middle and lower part vertical connection, middle part is communicated with water vapour caterpillar (3), water vapour caterpillar (3) the other end is communicated with vertical body of heater (2) middle and upper part, vertical body of heater (2) lower end is provided with slag discharging device (5), inside, upper end is provided with tar thermo-cracking catalytic unit (4), tar thermo-cracking catalytic unit (4) is communicated with cyclone dust collector (6) by combustible gas discharge pipe (18).
2. a kind of combined pyrolytic vapourizing furnace according to claim 1, it is characterized in that, described horizontal body of heater (1) is round tube type body of heater, internal layer body of heater (13) is formed by feed zone (9), dryer section (8) and pyrolytic gasification section (7), dryer section (8) and pyrolytic gasification section (7) are provided with outer body of heater (14), internal layer body of heater (13) stretches in vertical body of heater (2), outer body of heater (14) is connected with vertical body of heater (2) barrel, and internal layer body of heater (13) and outer body of heater (14) form annular cavity.
3. a kind of combined pyrolytic vapourizing furnace according to claim 1, it is characterized in that, described tar thermo-cracking catalytic unit (4) comprises Venturi tube (16) and plasma pyrolysis catalyst converter (17), and it is outside that plasma pyrolysis catalyst converter (17) is sleeved on Venturi tube (16).
4. a kind of combined pyrolytic vapourizing furnace according to claim 1, it is characterized in that, the part that described water vapour caterpillar (3) is communicated with horizontal body of heater (1) internal layer body of heater (13) is provided with netted venting hole (15).
5. a kind of combined pyrolytic vapourizing furnace according to claim 1, it is characterized in that, described internal layer body of heater (13) diameter is 500-5000mm, outer body of heater (14) diameter is 1000-5600mm, horizontal body of heater (1) length is 1000-15000mm, feed zone (9), dryer section (8) and pyrolytic gasification section (7) account for 1/3 respectively, vertical body of heater (2) furnace diameter is 600-8000mm, is highly 2000-30000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015947.9A CN105505474B (en) | 2016-01-11 | 2016-01-11 | Combined pyrolytic gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015947.9A CN105505474B (en) | 2016-01-11 | 2016-01-11 | Combined pyrolytic gasification furnace |
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| Publication Number | Publication Date |
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| CN105505474A true CN105505474A (en) | 2016-04-20 |
| CN105505474B CN105505474B (en) | 2018-01-19 |
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| CN201610015947.9A Active CN105505474B (en) | 2016-01-11 | 2016-01-11 | Combined pyrolytic gasification furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112111301A (en) * | 2020-09-23 | 2020-12-22 | 西安交通大学 | Combined type partial circulation biomass gasification furnace and working method thereof |
| CN115283419A (en) * | 2022-08-04 | 2022-11-04 | 江山市虎鼎环保科技有限公司 | Low-temperature thermal cracking method for fly ash |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201678647U (en) * | 2010-04-23 | 2010-12-22 | 中国科学院广州能源研究所 | Step biomass gasification unit |
| FR2975401A1 (en) * | 2011-05-18 | 2012-11-23 | Leclerc Christian Gerard Huret | Reversible fixed bed-type gasifier for producing combustible synthesis gas to supply e.g. engines, for producing heat, has horizontal chamber equipped with push rod for assuring progression of load on bottom to solid residue discharge wells |
| CN205473613U (en) * | 2016-01-11 | 2016-08-17 | 西安交通大学 | Modular pyrolysis gasifier |
-
2016
- 2016-01-11 CN CN201610015947.9A patent/CN105505474B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201678647U (en) * | 2010-04-23 | 2010-12-22 | 中国科学院广州能源研究所 | Step biomass gasification unit |
| FR2975401A1 (en) * | 2011-05-18 | 2012-11-23 | Leclerc Christian Gerard Huret | Reversible fixed bed-type gasifier for producing combustible synthesis gas to supply e.g. engines, for producing heat, has horizontal chamber equipped with push rod for assuring progression of load on bottom to solid residue discharge wells |
| CN205473613U (en) * | 2016-01-11 | 2016-08-17 | 西安交通大学 | Modular pyrolysis gasifier |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112111301A (en) * | 2020-09-23 | 2020-12-22 | 西安交通大学 | Combined type partial circulation biomass gasification furnace and working method thereof |
| CN115283419A (en) * | 2022-08-04 | 2022-11-04 | 江山市虎鼎环保科技有限公司 | Low-temperature thermal cracking method for fly ash |
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| CN105505474B (en) | 2018-01-19 |
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Inventor after: Gao Zhongquan Inventor after: Gao Xiuyao Inventor after: Huang Yongxin Inventor after: Hao Tiehan Inventor after: Feng Kexi Inventor after: Huang Zuohua Inventor before: Gao Zhongquan Inventor before: Hao Tiehan Inventor before: Feng Kexi Inventor before: Huang Zuohua Inventor before: Huang Yongxin |
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Effective date of registration: 20210329 Address after: 225100 No.6 Chuangye Road, Yangzhou environmental protection science and Technology Industrial Park, Hanjiang District, Yangzhou City, Jiangsu Province Patentee after: Jiangsu jiaohang Environmental Protection Technology Co.,Ltd. Address before: Beilin District Xianning West Road 710049, Shaanxi city of Xi'an province No. 28 Patentee before: XI'AN JIAOTONG University |
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