CN105505474B - Combined pyrolytic gasification furnace - Google Patents
Combined pyrolytic gasification furnace Download PDFInfo
- Publication number
- CN105505474B CN105505474B CN201610015947.9A CN201610015947A CN105505474B CN 105505474 B CN105505474 B CN 105505474B CN 201610015947 A CN201610015947 A CN 201610015947A CN 105505474 B CN105505474 B CN 105505474B
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- China
- Prior art keywords
- heater
- pyrolytic gasification
- vertical
- layer body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
-
- 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 kind of combined pyrolytic gasification furnace, whole device includes horizontal body of heater, vertical body of heater, vapor ejector, tar thermal cracking catalytic unit and cyclone dust collector.Horizontal body of heater and vertical body of heater middle and lower part vertical connection, middle part connect with vapor ejector, and the vapor ejector other end connects with vertical body of heater middle and upper part.Vertical body of heater lower end is provided with slag-draining device, is provided with tar thermal cracking catalytic unit inside upper end, tar thermal cracking catalytic unit is connected by combustible gas discharge pipe with cyclone dust collector.Horizontal body of heater is divided into feed zone, dryer section and pyrolytic gasification section, feed zone, dryer section and pyrolytic gasification section composition internal layer body of heater, dryer section and pyrolytic gasification section composition outer layer body of heater, internal layer body of heater is stretched into vertical body of heater, outer layer body of heater is connected with vertical body of heater barrel, and inside and outside layer body of heater forms toroidal cavity.The present invention is simple in construction, and reasonable in design, continuous ability to work is strong, pyrolytic gasification efficiency high.
Description
Technical field
The invention belongs to a kind of the organic wastes such as house refuse and straw from village are handled using pyrolytic gasification technology
Equipment, more particularly to a kind of combined pyrolytic gasification furnace.
Background technology
With the quickening of Development of China's Urbanization and the development of agricultural, the house refuse in city and straw from village the like waste
Yield is increasing, has had a strong impact on city and rural ecological environment.Big city by the way of domestic garbage burning electricity generation,
So that Domestic Waste Minimization and recycling advantage are very prominent, but the house refuse in small city and small towns is due to negligible amounts
And the reason such as more dispersed, become difficult point and emphasis that China's domestic waste is administered, current processing mode is
Integrated treatment is changed to by landfill.The processing method that the combustiblerefuse or stalk sub-elected directly burns, although can solve the problem that flammable
The problem of rubbish or big stalk quantity, the nitrogen oxides in air is but caused to increase, greenhouse effects aggravate and " bioxin " discharge
Deng negative effect.House refuse and straw from village the like waste can have not only been handled completely but also had not been burned directly so urgent need is a kind of
Equipment.
The content of the invention
It is an object of the invention to overcome above-mentioned prior art deficiency, there is provided a kind of combined pyrolytic gasification furnace, the present invention
Have the advantages that pyrolytic gasification efficiency high, energy consumption are small, continuous ability to work is strong, block pipeline without tar.
The technical proposal of the invention is realized in this way：
A kind of combined pyrolytic gasification furnace, whole device include horizontal body of heater, vertical body of heater, vapor ejector, Jiao
Oily thermal cracking catalytic unit, slag-draining 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 connects with vapor ejector, and the vapor ejector other end connects with vertical body of heater middle and upper part.Under vertical body of heater
End is provided with slag-draining device, is provided with tar thermal cracking catalytic unit inside upper end, tar thermal cracking catalytic unit passes through combustible gas
Discharge pipe connects with cyclone dust collector.
Described horizontal body of heater is cylinder type body of heater, and internal layer body of heater is formed by feed zone, dryer section and pyrolytic gasification section, is done
Dry section is provided with outer layer body of heater with pyrolytic gasification section, and internal layer body of heater is stretched into vertical body of heater, outer layer body of heater and vertical body of heater barrel
It is connected, internal layer body of heater and outer layer body of heater form toroidal cavity.
Described tar thermal cracking catalytic unit includes Venturi tube and plasma pyrolysis catalyst converter, plasma pyrolysis
Catalyst converter is sleeved on outside Venturi tube.
The part that described vapor ejector connects with layer body of heater in horizontal stove body is provided with netted steam vent.
Described internal layer furnace diameter is 500-5000mm, and outer layer furnace diameter is 1000-5600mm, horizontal stove body length
For 1000-15000mm, feed zone, dryer section and pyrolytic gasification section account for 1/3 respectively, and vertical body of heater furnace diameter is 600-
8000mm, it is highly 2000-30000mm.
Use level body of heater of the present invention and vertical body of heater, the residence time of combustiblerefuse in a device is extended, is also extended
The time of combustiblerefuse pyrolytic gasification, at the same horizontal body of heater as conveying section, vertical body of heater as gas transmission section, improve device
Pyrolytic gasification efficiency and continuous ability to work；Overfire air is blasted in vertical body of heater in the present invention, makes pyrolytic gasification
Combustible gas combustion heat release provide energy for device, significantly reduce energy consumption；In the present invention tar is provided with above vertical body of heater
Thermal cracking catalytic unit, it is small molecule fuel gas by the tar thermal cracking in fuel gas, while promotes the polycondensation of tar anti-
Should, coke is generated, is further reacted, reaches the effect of tar removing, improve the pyrolytic gasification efficiency of device and continuous work
Make ability.
Brief description of the drawings
Fig. 1 is the structural representation of combined pyrolytic gasification furnace of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of combined pyrolytic gasification furnace, including horizontal body of heater 1, vertical body of heater 2, vapor ejector
3rd, tar thermal cracking catalytic unit 4, slag-draining device 5 and cyclone dust collector 6.Horizontal body of heater 1 is divided into feeding from left to right
Section 9, dryer section 8 and pyrolytic gasification section 7, each segment length are respectively the 1/3 of the horizontal overall length of body of heater 1, and the left side of feed zone 9 is equipped with hydraulic pressure
Material-pulling device 11 and scraping wings 10, its radial direction connect with feed hopper 12, and feed zone 9, dryer section 8 and pyrolytic gasification section 7 form water
Outer layer body of heater 14 is additionally provided with flat internal layer body of heater 13, dryer section 8 and pyrolytic gasification section 7, its left side and the barrel of internal layer body of heater 13
Sealing connection, right side are communicated as one with the sealing of the vertical barrel of body of heater 2, form cavity so that the high temperature in vertical body of heater 2 is flammable
Gas can be heated to the dryer section 8 in horizontal stove and pyrolytic gasification section 7, and internal layer body of heater 13 is stretched into vertical body of heater 2；Water steams
Gas introduction pipe C one end connects with the middle part of dryer section 8, and connectivity part is provided with netted steam vent 15, prevents combustiblerefuse or stalk
The blocking device into vapor ejector 3, the other end of water vapour ejector 3 connect with the vertical middle and upper part of body of heater 2.Vertically
The bottom of body of heater 2 is provided with slag-draining device 5, ventilation shaft 19 and lighting-up tuyere 23.
Slag-draining device 5 includes slag-drip opening 20, conveyer 17 and water seal slag bath 22, and slag-drip opening 20 is arranged on the vertical bottom of body of heater 2
Portion is simultaneously stretched into water, in order to avoid air enters vertical body of heater 2, realizes water seal.Conveyer 17 and water seal slag bath 22 are both placed in deslagging
Mouthfuls 20 lower end, conveyer 17 are immersed in the reclaimed water of water seal slag bath 22, ensure that the clinker discharged in vertical body of heater 2 is sufficiently cool, so
The clinker after cooling is transferred out afterwards；Ventilation shaft 19 is stretched into vertical body of heater 2, and overfire air is provided for whole device；It is perpendicular
The straight top of body of heater 2 is provided with tar thermal cracking catalytic unit 4, and it includes Venturi tube 16 and Venturi tube 17, wherein Venturi tube
17 are sleeved in Venturi tube 16, and Venturi tube 16 connects with combustible gas discharge pipe 18.Dryer section 8 and heat in horizontal body of heater 1
In solution gasification section 7, vertical body of heater 2 thermocouple 24 and pressure sensing are respectively equipped with Venturi tube 16 and combustible gas discharge pipe 18
Device 25, thermocouple 24 connect with PLC control system 27.
Combustiblerefuse or stalk enter the feed zone 9 of horizontal body of heater 1 by feed hopper 12, and then hydraulic feeding device 5 pushes away
Combustiblerefuse or stalk are compacted by dynamic scraping wings 10, prevent the gas leak phenomenon in gasification, realize material envelope, flammable after compacting
Rubbish or stalk are sent to dryer section 8, progressively dry, and pyrolytic gasification, the mixing after gasification are carried out subsequently into pyrolytic gasification section 7
Gas composition is CO2、CO、H2、CH4、N2The fuel gas such as O, gaseous mixture enter vertical body of heater 2 by internal layer cylinder 7, rise to tar
At thermal cracking catalytic unit 4, fraction Pintsch process is small molecule hydrocarbon gas and pyrolysis gas to the tar in gaseous mixture here
Combustible gas caused by change is discharged vertical body of heater 2 through combustible gas discharge pipe 18 together and entered in cyclone dust collector 6, carries out dedusting
After recycle；Most of tar generates coke, while vapor caused by dryer section 8 and part combustible gas by polymerisation
Gaseous mixture be passed through vertical body of heater 2 through vapor ejector 3 from netted steam vent 15 and enter tar thermal cracking catalytic unit
4, reacted with coke, generate fuel gas.Clinker after pyrolytic gasification is vertical as pusher process is entered by horizontal burner hearth A
Slag-drip opening 20 is fallen into after body of heater 2, is fallen on the conveyer 17 of water seal, is discharged successively by slag-draining device 5 after being cooled sufficiently.Device
In continuous running, the ventilation shaft 19 of the vertical bottom of body of heater 2 is continuously passed through overfire air, makes the part in vertical body of heater 2
Combustible gas combustion heat release, heat is provided for whole device, maintains each section of temperature.Outer layer body of heater 14, the vertical body of heater of horizontal body of heater 1
2 barrels and the pipeline of vapor ejector 3 are covered with heat-insulation layer 26.
It is of the invention first in use, by feed hopper 12 and hydraulic feeding device 5 toward launching firewood or straw in vertical body of heater 2
The fuel such as stalk, light a fire and started at the vertical base point burner 23 of body of heater 2, while the feed zone 9 in horizontal body of heater 1 and drying
Section 8 places combustiblerefuse or stalk, opens hydraulic feeding device 4, ensures material envelope, when each section of temperature reaches requirement, and pyrolysis gas
Change start completion when section 7 produces enough combustible gases.Pyrolysis oven need not now be heated using fuel, completed after starting
Also external heat source is no longer needed.
After combustiblerefuse or stalk enter in horizontal pyroliser, progressively dried in dryer section 8,90-200 DEG C of temperature, then
Into pyrolytic gasification section 7,300-500 DEG C of temperature, under the conditions of high temperature etc., dry distillation reactor occurs, organic matter macromolecular is split
Solution is into small molecule state CO2、CO、H2、CH4、N2The fuel gas such as O.During pyrolytic gasification, the present invention is by reducing bioxin
The generation of precursor, it is suppressed that the generation of bioxin, while the metal such as Cu, Fe in combustiblerefuse or stalk is not easy generation and promoted
The catalyst of bioxin generation, also inhibits the generation of bioxin.Combustible gas rises to Venturi tube 16 in vertical body of heater 2,
Combustible gas is heated to 600 DEG C by the thermal source of the vertical bottom of body of heater 2 during this, combustible gas by tar thermal 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 de-
The purpose of tar.
Claims (5)
- A kind of 1. combined pyrolytic gasification furnace, it is characterised in that：Drawn including horizontal body of heater (1), vertical body of heater (2), vapor Device (3), tar thermal cracking catalytic unit (4), slag-draining device (5) and cyclone dust collector (6), horizontal body of heater (1) right-hand member with Vertical body of heater (2) middle and lower part vertical connection, middle part connect with vapor ejector (3), vapor ejector (3) other end Connected with vertical body of heater (2) middle and upper part, vertical body of heater (2) lower end is provided with slag-draining device (5), and tar hot tearing is provided with inside upper end Catalytic unit (4) is solved, tar thermal cracking catalytic unit (4) is connected by combustible gas discharge pipe (18) and cyclone dust collector (6) It is logical.
- 2. a kind of combined pyrolytic gasification furnace according to claim 1, it is characterised in that described horizontal body of heater (1) is Cylinder type body of heater, internal layer body of heater (13), dryer section (8) and heat are formed by feed zone (9), dryer section (8) and pyrolytic gasification section (7) Solution gasification section (7) is provided with outer layer body of heater (14), and internal layer body of heater (13) is stretched into vertical body of heater (2), and outer layer body of heater (14) is with erecting Straight body of heater (2) barrel is connected, and internal layer body of heater (13) and outer layer body of heater (14) form toroidal cavity.
- A kind of 3. combined pyrolytic gasification furnace according to claim 1, it is characterised in that described tar thermal cracking catalysis Device (4) includes Venturi tube (16) and plasma pyrolysis catalyst converter (17), and plasma pyrolysis catalyst converter (17) is sleeved on Venturi tube (16) is outside.
- A kind of 4. combined pyrolytic gasification furnace according to claim 1, it is characterised in that described vapor ejector (3) part connected with horizontal body of heater (1) internal layer body of heater (13) is provided with netted steam vent (15).
- 5. a kind of combined pyrolytic gasification furnace according to claim 2, it is characterised in that described internal layer body of heater (13) is straight Footpath is 500-5000mm, outer layer body of heater (14) a diameter of 1000-5600mm, and horizontal body of heater (1) length is 1000-15000mm, is entered Material section (9), dryer section (8) and pyrolytic gasification section (7) account for 1/3 respectively, and vertical body of heater (2) furnace diameter is 600-8000mm, high Spend for 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015947.9A CN105505474B (en) | 2016-01-11 | 2016-01-11 | Combined pyrolytic gasification furnace |
Publications (2)
| Publication Number | Publication Date |
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| CN105505474A CN105505474A (en) | 2016-04-20 |
| CN105505474B true CN105505474B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610015947.9A Active CN105505474B (en) | 2016-01-11 | 2016-01-11 | Combined pyrolytic gasification furnace |
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Families Citing this family (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 |
| CN112111301B (en) * | 2020-09-23 | 2021-09-07 | 西安交通大学 | Combined type partial circulation biomass gasification furnace and working method thereof |
| CN115283419B (en) * | 2022-08-04 | 2023-07-04 | 江山市虎鼎环保科技有限公司 | Low-temperature pyrolysis method of 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 |
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| CN105505474A (en) | 2016-04-20 |
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| CB03 | Change of inventor or designer information |
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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