CN106118757B - Biomass gasifying furnace with equipment of supplying gas - Google Patents
Biomass gasifying furnace with equipment of supplying gas Download PDFInfo
- Publication number
- CN106118757B CN106118757B CN201610521153.XA CN201610521153A CN106118757B CN 106118757 B CN106118757 B CN 106118757B CN 201610521153 A CN201610521153 A CN 201610521153A CN 106118757 B CN106118757 B CN 106118757B
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- CN
- China
- Prior art keywords
- air inlet
- inlet pipe
- combustion chamber
- pipe
- loop draught
- Prior art date
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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
- C10J3/72—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
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
-
- 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
- C10J2300/0916—Biomass
Abstract
The invention discloses a kind of biomass gasifying furnaces with equipment of supplying gas, comprising: the furnace body being vertically arranged comprising vaporizer, combustion chamber and collection chamber；Second pyrolysis room is circumferentially positioned at the outside of combustion chamber；Loop draught pipe, its outside for being circumferentially positioned at second pyrolysis room, and the inner sidewall of loop draught pipe is the lateral wall of second pyrolysis room, it is provided with a plurality of air holes on the inner sidewall of loop draught pipe, and the duct direction of two neighboring stomata is not identical, loop draught pipe is connected to a high temperature air feedway；Multiple fans are arranged in the loop draught pipe, and the revolving speed of each fan is all different；Multiple air inlet pipe, tangential direction of the one end of air inlet pipe along combustion chamber stretch to combustion chamber, and the other end of air inlet pipe is connected to the combustion-supporting gas feedway being arranged in outside furnace body；Gas-guide tube, one end are connected to collection chamber, and the other end is connected to second pyrolysis room.Present invention reduces the tar contents of fuel gas.
Description
Technical field
The present invention relates to a kind of biomass gasifying furnaces with equipment of supplying gas.
Background technique
Biomass includes plant, excrement and the town and country debirs of nature, is a kind of non-fossil renewable energy.With
The energy utilization patterns that biomass is directly burnt are compared, and have extended use, reduction carrying out utilizing after biomass pyrogenation gasification
The advantages of pollution, clean and effective.But China's biomass pyrogenation gasification technology falls behind relatively, biomass pyrogenation gasification is handled at present
Equipment mainly uses fixed-bed gasification furnace and the normal pressure fluidized bed gasification furnace, and wherein fixed-bed gasification furnace in production process due to that can produce
Raw a large amount of phenol water, tar content is high, and secondary pollution is more serious, and single furnace gas production is small, and the flammable gas calorific value of output is low, is limited
It uses；The in-furnace temperature fluctuation range of the normal pressure fluidized bed gasification furnace is big, and controlling of production process is difficult, and operational reliability is poor, heat waste
Consumption is big, and deslagging carbon content is high, and more containing nitrogen amount in the fuel gas produced, calorific value is low, and combustion gas dust content height purifies difficulty etc.
Deficiency, therefore fail to be used widely so far.Also, due to containing tar, life after biomass combustion in the lignin of biology
At fuel gas in tar content it is also higher, cause the fuel gas generated to have a peculiar smell, when use pollutes environment, also unfavorable
In conveying and storage.The backwardness of biomass pyrogenation gasification technology, the clean and effective for hindering China's biomass energy utilize.
Summary of the invention
The present invention has designed and developed a kind of biogas with equipment of supplying gas that can lower tar content in fuel gas
Change furnace.
Technical solution provided by the invention are as follows:
A kind of biomass gasifying furnace with equipment of supplying gas, comprising:
The furnace body being vertically arranged comprising vaporizer, combustion chamber and collection chamber, the combustion chamber are arranged in the vaporizer
Lower section, communicated with the vaporizer, the top of the vaporizer is arranged in the collection chamber, communicates with the vaporizer；
Second pyrolysis room, is circumferentially positioned at the outside of the combustion chamber, and the second pyrolysis room is filled coke tar cracking and urged
Agent；
Loop draught pipe is circumferentially positioned at the outside of the second pyrolysis room, and the inner sidewall of the loop draught pipe
It for the lateral wall of the second pyrolysis room, is provided with a plurality of air holes on the inner sidewall of the loop draught pipe, and multiple stomatas
Be unevenly distributed, the duct direction of two neighboring stomata is not identical, so that the airflow direction for spraying two neighboring stomata is not
Together, the loop draught pipe is connected to a high temperature air feedway；
Multiple fans are arranged in the loop draught pipe, and the revolving speed of each fan is all different；
One end of multiple air inlet pipe, the air inlet pipe stretches in the combustion chamber along the tangential direction of the combustion chamber
Portion, the other end of the air inlet pipe is connected to the combustion-supporting gas feedway being arranged in outside furnace body, and multiple air inlet pipe are opposite
Be uniformly arranged in the combustion chamber, the nozzle of the air inlet pipe is flat mouth shape, and the length direction of the nozzle of the air inlet pipe with
The axial direction of the combustion chamber is parallel, and the width of the nozzle is 0.3~0.5cm；
The outside of the furnace body is arranged in gas-guide tube, and one end is connected to the collection chamber, and other end connection is described secondary
Cracking room.
Preferably, in the biomass gasifying furnace with equipment of supplying gas, the tar cracking catalyst is lime
Stone and magnesium carbonate.
Preferably, in the biomass gasifying furnace with equipment of supplying gas, the multiple air inlet pipe is along the combustion
The axial direction for burning room is scattered in multilayer, and every layer of air inlet pipe includes several air inlet pipe, adjacent two layers air inlet pipe 2~3cm of interval.
Preferably, in the described biomass gasifying furnace with equipment of supplying gas, the aperture of the stomata is 0.2~
0.5cm。
The biomass gasifying furnace with equipment of supplying gas of the present invention provides a second pyrolysis room, second pyrolysis room
It is circumferentially positioned at the outside of combustion chamber, is provided with multiple air inlet pipe in the combustion chamber, and one end of air inlet pipe is along combustion chamber
Tangential direction stretch to combustion chamber, and the nozzle of air inlet pipe is flat mouth shape, the width design of nozzle is 0.3~
0.5cm makes the tar in fuel gas secondary so that the temperature near the inner wall of combustion chamber is significantly higher than combustion chamber
Second pyrolysis reaction more fully occurs in cracking room.The present invention is provided with loop draught pipe in the outside of second pyrolysis room, leads to
The multichannel air-flow that loop draught pipe is sent into high temperature air to second pyrolysis room is crossed, to upset fuel gas containing tar in second pyrolysis
Indoor flow path improves the coke tar cracking efficiency in fuel gas containing tar.The present invention is provided in loop draught pipe
The revolving speed of multiple fans, each fan is all different, hence into making to enter the indoor air-flow of second pyrolysis by each stomata
Flow is also different, increases the disturbance to the fuel gas containing tar.Present invention reduces the tar content of fuel gas, improving can
The quality of combustion gas body.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the biomass gasifying furnace with equipment of supplying gas of the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in Figure 1, the present invention provides a kind of biomass gasifying furnace with equipment of supplying gas, comprising: the furnace being vertically arranged
Body 1 comprising the lower section of the vaporizer is arranged in vaporizer 8, combustion chamber 3 and collection chamber 2, the combustion chamber 3, with the gas
Change room to communicate, the top of the vaporizer is arranged in the collection chamber, communicates with the vaporizer；Second pyrolysis room is surround
The outside of the combustion chamber 3 is set, and tar cracking catalyst is filled in the second pyrolysis room 5；Loop draught pipe 9 is surround
The outside of the second pyrolysis room is set, and the inner sidewall of the loop draught pipe is the lateral wall of the second pyrolysis room,
It is provided with a plurality of air holes 10 on the inner sidewall of the loop draught pipe, and multiple stomatas 10 are unevenly distributed, it is two neighboring
The duct direction of stomata is not identical, so that the airflow direction for spraying two neighboring stomata is different, the loop draught pipe connection
To a high temperature air feedway；Multiple fans 11 are arranged in the loop draught pipe 9, and the revolving speed of each fan is equal
It is not identical；One end of multiple air inlet pipe 6, the air inlet pipe stretches in the combustion chamber along the tangential direction of the combustion chamber
Portion, the other end of the air inlet pipe is connected to the combustion-supporting gas feedway being arranged in outside furnace body, and multiple air inlet pipe are opposite
Be uniformly arranged in the combustion chamber, the nozzle 7 of the air inlet pipe is flat mouth shape, and the length direction of the nozzle of the air inlet pipe with
The axial direction of the combustion chamber is parallel, and the width of the nozzle is 0.3~0.5cm；The outer of the furnace body is arranged in gas-guide tube 4
Portion, one end are connected to the collection chamber, and the other end is connected to the second pyrolysis room.
In the present invention, fuel gas containing tar enters collection chamber, and is entered in second pyrolysis room by gas-guide tube.Two secondary fissures
Solution room is circumferentially positioned at the outside of combustion chamber, inside fills tar cracking catalyst.Fuel gas containing tar is in second pyrolysis room
It is interior, by the heating for the indoor heat that burns, second pyrolysis reaction occurs under the catalytic action of tar cracking catalyst, thus
Reduce tar content.
Especially for the indoor heat of burning is made full use of, the present invention is provided with multiple air inlet pipe, one end of air inlet pipe
Be stretched to along the tangential direction of combustion chamber burning it is indoor, the other end of air inlet pipe, which is communicated to, is arranged in helping outside furnace body
On combustion gas body feeding, in this way, air inlet pipe will supply combustion-supporting gas to combustion chamber along tangential direction.And due to air inlet pipe
Caliber very little, only 0.3~0.5cm, can combustion chamber inner wall formed a combustion-supporting gas air film.Due to depositing for air film
, the combustion case near the inner wall of combustion chamber can be more preferable, and more sufficiently, and then keep the temperature near the inner wall of combustion chamber higher,
To keep the indoor temperature of second pyrolysis also higher, the indoor fuel gas containing tar of second pyrolysis is promoted sufficiently to react.
In order to promote the inside in combustion chamber to form uniform combustion-supporting gas air film, the nozzle of air inlet pipe is designed to flat mouth
Shape, and the width design of nozzle is 0.3~0.5cm.Uniform combustion-supporting gas air film can guarantee near wall in the combustion chamber
More evenly, i.e., the temperature near Inner Wall of Combustion Chamber also more evenly, and then guarantees the indoor second pyrolysis reaction of second pyrolysis for burning
Also uniformly occur.
Gas cell distribution on loop draught pipe is uneven, and the duct direction of two neighboring stomata is not identical, so that
The airflow direction that two neighboring stomata sprays is not also identical, and what the air-flow of these different directions can disturb a small range can containing tar
The flow path of combustion gas body, so that the inside of the fuel gas containing tar forms vortex, to promote in fuel gas containing tar
Tar ingredients are constantly contacted with tar cracking catalyst, and then accelerate the lysis efficiency of tar.
It is highly useful when gasification furnace stops to improve lysis efficiency.In general, if gasification furnace production terminates, in combustion chamber
Just no longer there is combustible substance, then the temperature of combustion chamber can gradually decrease, and finally not be able to satisfy second pyrolysis room to temperature
The requirement of degree.And within a period of time that gasification furnace stops production, it still suffers from fuel gas containing tar and is gradually arranged out of furnace body
Out, it can be removed to guarantee the tar in this last part fuel gas containing tar also, it is necessary in chamber temperature
Be reduced to it is undesirable before, the processing to the fuel gas containing tar of this last part is completed in second pyrolysis room.
The present invention improves the lysis efficiency of tar in fuel gas containing tar, therefore, is reduced in chamber temperature undesirable
Before, the processing to last part fuel gas containing tar can be completed.
Stomata number in the number of loop draught pipe and each loop draught pipe, which can according to need, to be adjusted.
On the one hand loop draught pipe integral coating can play the role of heat preservation in the outside of second pyrolysis room, reduce two
The heat loss of secondary cracking room, to improve the lysis efficiency of tar in fuel gas containing tar；Another aspect loop draught pipe
It is sent into high temperature air to second pyrolysis room by stomata, thus disturbance fuel gas containing tar.Further, in loop draught pipe
Multiple fans are additionally provided with, i.e. fan can cause the disturbance of the high temperature air in loop draught pipe, enter high temperature air
Stomata, and from stomata flow into second pyrolysis room when disturbance it is more violent.Especially when the revolving speed of each fan is all different,
The disturbance of high temperature air can be more complicated, shows turbulent flow, so that the indoor fuel gas containing tar of second pyrolysis is disturbed in enhancing
Dynamic effect, improves the catalytic efficiency to the tar in fuel gas containing tar.
The present invention takes full advantage of existing heat source, improves the utilization efficiency to the energy.
Preferably, in the biomass gasifying furnace with equipment of supplying gas, the tar cracking catalyst is lime
Stone and magnesium carbonate.In this embodiment, burning room temperature can choose 800~1000 DEG C.
Preferably, in the biomass gasifying furnace with equipment of supplying gas, the multiple air inlet pipe is along the combustion
The axial direction for burning room is scattered in multilayer, and every layer of air inlet pipe includes several air inlet pipe, adjacent two layers air inlet pipe 2~3cm of interval.The reality
It applies example to be more conducive to form the uniform air film of combustion-supporting gas near wall in the combustion chamber, the uniformity of air film is improved, to make
The burning near wall also more evenly, and then makes the more uniform temperature near Inner Wall of Combustion Chamber in the combustion chamber, in second pyrolysis room
Heating temperature also more evenly.
Preferably, in the described biomass gasifying furnace with equipment of supplying gas, the aperture of the stomata is 0.2~
0.5cm.When aperture in the range, can to second pyrolysis room spray multiply air-flow, play and disturb the fuel gas containing tar
Effect.When the flow velocity of high temperature air or excessive flow, then it may will affect the lysis efficiency of tar.
The tar removal efficiency of present invention fuel gas containing tar can achieve 99.99%.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (4)
1. a kind of biomass gasifying furnace with equipment of supplying gas, comprising:
The furnace body being vertically arranged comprising vaporizer, combustion chamber and collection chamber, the combustion chamber are arranged under the vaporizer
Side, communicates, the top of the vaporizer is arranged in the collection chamber, communicates with the vaporizer with the vaporizer；
Second pyrolysis room is circumferentially positioned at the outside of the combustion chamber；
The outside of the furnace body is arranged in gas-guide tube, and one end is connected to the collection chamber, and the other end is connected to the second pyrolysis
Room；
It is characterized in that,
Fill tar cracking catalyst in the second pyrolysis room；
Loop draught pipe is circumferentially positioned at the outside of the second pyrolysis room, and the inner sidewall of the loop draught pipe is institute
The lateral wall for stating second pyrolysis room is provided with a plurality of air holes on the inner sidewall of the loop draught pipe, and point of multiple stomatas
Cloth is uneven, and the duct direction of two neighboring stomata is not identical, so that the airflow direction for spraying two neighboring stomata is different, institute
It states loop draught pipe and is connected to a high temperature air feedway；
Multiple fans are arranged in the loop draught pipe, and the revolving speed of each fan is all different；
Multiple air inlet pipe, tangential direction of the one end of the air inlet pipe along the combustion chamber stretch to the combustion chamber, institute
The other end for stating air inlet pipe is connected to the combustion-supporting gas feedway being arranged in outside furnace body, and multiple air inlet pipe are relative to described
Combustion chamber is uniformly arranged, and the nozzle of the air inlet pipe is flat mouth shape, and the length direction of the nozzle of the air inlet pipe and the combustion
The axial parallel of room is burnt, the width of the nozzle is 0.3 ~ 0.5cm.
2. the biomass gasifying furnace with equipment of supplying gas as described in claim 1, which is characterized in that the coke tar cracking catalysis
Agent is lime stone and magnesium carbonate.
3. the biomass gasifying furnace with equipment of supplying gas as described in claim 1, which is characterized in that the multiple air inlet pipe edge
The axial direction of the combustion chamber be scattered in multilayer, every layer of air inlet pipe includes several air inlet pipe, adjacent two layers air inlet pipe interval 2 ~
3cm。
4. the biomass gasifying furnace with equipment of supplying gas as described in claim 1, which is characterized in that the aperture of the stomata is
0.2~0.5cm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610521153.XA CN106118757B (en) | 2016-06-29 | 2016-06-29 | Biomass gasifying furnace with equipment of supplying gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610521153.XA CN106118757B (en) | 2016-06-29 | 2016-06-29 | Biomass gasifying furnace with equipment of supplying gas |
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| CN106118757A CN106118757A (en) | 2016-11-16 |
| CN106118757B true CN106118757B (en) | 2018-12-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108865286B (en) * | 2018-07-17 | 2020-08-21 | 南华大学 | Gas output device based on interactive double fluidized beds |
| CN110404926B (en) * | 2019-07-05 | 2024-04-12 | 上海齐耀热能工程有限公司 | System for treating organic waste by plasma |
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| CN201354358Y (en) * | 2009-02-16 | 2009-12-02 | 熊天东 | Non-pressure biological substance gasification boiler |
| CN201473503U (en) * | 2009-06-24 | 2010-05-19 | 张宝根 | Tar catalytic cracker of gasifier |
| CN101781579A (en) * | 2010-04-07 | 2010-07-21 | 王治刚 | Biomass gasification method and biomass gasification furnace |
| JP2015059159A (en) * | 2013-09-18 | 2015-03-30 | 株式会社Ihi | Apparatus for reforming tar in gasified-gas |
| CN104791848A (en) * | 2014-11-25 | 2015-07-22 | 西北工业大学 | Combustion chamber flame cylinder wall face with blade grid channel multi-inclined-hole cooling manner adopted |
| CN205279155U (en) * | 2015-10-10 | 2016-06-01 | 上海交通大学 | Ran shao shi cui puts out pore structure |
-
2016
- 2016-06-29 CN CN201610521153.XA patent/CN106118757B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201354358Y (en) * | 2009-02-16 | 2009-12-02 | 熊天东 | Non-pressure biological substance gasification boiler |
| CN201473503U (en) * | 2009-06-24 | 2010-05-19 | 张宝根 | Tar catalytic cracker of gasifier |
| CN101781579A (en) * | 2010-04-07 | 2010-07-21 | 王治刚 | Biomass gasification method and biomass gasification furnace |
| JP2015059159A (en) * | 2013-09-18 | 2015-03-30 | 株式会社Ihi | Apparatus for reforming tar in gasified-gas |
| CN104791848A (en) * | 2014-11-25 | 2015-07-22 | 西北工业大学 | Combustion chamber flame cylinder wall face with blade grid channel multi-inclined-hole cooling manner adopted |
| CN205279155U (en) * | 2015-10-10 | 2016-06-01 | 上海交通大学 | Ran shao shi cui puts out pore structure |
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| CN106118757A (en) | 2016-11-16 |
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Effective date of registration: 20181101 Address after: 315012 room 1025, Liyuan North Road, Haishu District, Ningbo, Zhejiang, China, 755 Applicant after: Ningbo Polygala cubic Energy Technology Co Ltd Address before: 536000 the Guangxi Zhuang Autonomous Region Beihai Yinhai District North Sichuan Road Tian Bi garden 12 stories 08 rooms. Applicant before: Wen Zhou |
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Effective date of registration: 20191212 Address after: 215100 Building 1, No.38, beiguandu Road, Yuexi street, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Fuyang Automation Technology Co., Ltd Address before: 315012 Zhejiang Province, Ningbo city Haishu District Liyuan Road No. 755 room 1025 Patentee before: Ningbo Polygala cubic Energy Technology Co Ltd |
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Effective date of registration: 20211227 Address after: 533000 huati Road, Liutang Aluminum Industrial Park, Youjiang District, Baise City, Guangxi Zhuang Autonomous Region Patentee after: Baise Rongxing Chemical Co.,Ltd. Address before: No. 2151, building 38, North Guandu street, Suzhou City, Jiangsu Province Patentee before: Suzhou Fuyang Automation Technology Co.,Ltd. |