CN202080878U - Device for preparation of synthesis gas through biomass pyrolysis and gasification - Google Patents
Device for preparation of synthesis gas through biomass pyrolysis and gasification Download PDFInfo
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- CN202080878U CN202080878U CN2011201618747U CN201120161874U CN202080878U CN 202080878 U CN202080878 U CN 202080878U CN 2011201618747 U CN2011201618747 U CN 2011201618747U CN 201120161874 U CN201120161874 U CN 201120161874U CN 202080878 U CN202080878 U CN 202080878U
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Abstract
The utility model relates to a device for preparation of synthesis gas through biomass pyrolysis and gasification, which comprises a screw feeder. The screw feeder is connected with a gas inlet of a horizontal pyrolysis and gasification reaction tube, thermal plasma jet flow is arranged in the horizontal pyrolysis and gasification reaction tube, the front end of the horizontal pyrolysis and gasification reaction tube is communicated with a catalytic reforming reaction tube and a gas-solid cyclone separation tube, and the catalytic reforming reaction tube and the gas-solid cyclone separation tube are arranged mutually vertical in the longitudinal direction. The utility model has the beneficial effects that: the efficiency of gasification, the quality of the synthesis gas and the rate of utilization of process energy can be improved, and tar and environmental pollution can be eliminated completely.
Description
Technical field
The high effect cleaning that the utility model relates to a kind of biomass is produced a kind of device of synthetic gas, relates in particular to a kind of device of biomass pyrogenation gasification preparing synthetic gas.
Background technology
Biomass are expected to substitute exhausted day by day fossil energy as a kind of cleaning, reproducible energy substance, are subjected to people's attention day by day.A kind of effective path for transformation is that pyrolytic gasification prepares synthetic gas in the Wood Adhesives from Biomass.In the world the research of biomass pyrogenation gasification is attached great importance to, also driven simultaneously the carrying out of research work of thermal plasma biomass pyrogenation gasification preparing synthetic gas.The subject matter that conventional biomass pyrogenation gasification process exists is that the combustible gas calorific value is lower, and tar yield is higher, the gas-purification difficulty, and the partial combustion with combustible gas is that cost provides reaction required heat simultaneously.
Plasma technique is produced at coal, natural gas pyrolysis and be studies show that aspect acetylene and the gasifying biomass preparing synthetic gas in recent years: plasma body not only can be used as thermal barrier, and can participate in pyrolysis, and product exists with solid phase and gas phase form.Chinese patent application (96199884) discloses the method and apparatus of producing coal gas with the plasma pyrolysis gasification of coal, it is with coal and air preheating together, generation low-temperature plasma stream, send into reaction chamber later on, coal of sending in a large number afterwards and air carry out perfect combustion and gasification under this reaction chamber hot environment.It is to form high-temperature plasma with DC arc plasma ionization hydrogen, methane or water vapour for a Chinese patent application (01129931.2), biomass material is carried by carrier gas methane or carbonic acid gas in feeding screw and enters high-temperature plasma pyrolytic gasification district, and the fast pyrogenation gasification forms thick chemosynthesis gas under the effect of superheated vapour.The methane and the carbonic acid gas that contain higher concentration in the synthetic gas of producing like this cause chemosynthesis gas grade low, environmental pollution gas content height, and capacity usage ratio is low simultaneously.Solid biomass such as wood powder, the husk etc. that exist are a kind of good potential energy sources extensively and in a large number, produce high-grade chemosynthesis gas with the thermal plasma pyrolysis of gasified bio-matter and have a good application prospect.
Summary of the invention
The utility model will solve the shortcoming of above-mentioned prior art, and a kind of gasification efficiency, synthetic gas grade, process capacity usage ratio of improving is provided, and thoroughly eliminates tar, eliminates the device of a kind of biomass pyrogenation gasification preparing synthetic gas of environmental pollution.
The utility model solves the technical scheme that its technical problem adopts: the device of this biomass pyrogenation gasification preparing synthetic gas, comprise feeding screw, feeding screw is connected with the inlet mouth of the horizontal reaction tubes of pyrolytic gasification, be provided with the thermal plasma jet in the horizontal reaction tubes of pyrolytic gasification, the horizontal reaction tubes front end of pyrolytic gasification is with vertical catalytic reforming reaction bed and gas-solid cyclone separating tube are communicated with up and down.
As preferably, the horizontal reaction tubes liner three high graphite chucks of described pyrolytic gasification.
As preferably, the horizontal reaction tubes of described pyrolytic gasification, gas-solid cyclone separator cartridge and catalytic reforming reaction bed are provided with the insulation and thermal insulation layer outward.
As preferably, described gas-solid cyclone separator cartridge bottom is provided with the slag storehouse, and the slag storehouse is provided with unloads cinder notch.
As preferably, be provided with gas distributor between described catalytic reforming reaction bed and the gas-solid cyclone separating tube, gas distributor is provided with equally distributed riser.
The effect that the utility model is useful is: one, utilize the thermal plasma pyrolysis of gasified bio-matter can thoroughly eliminate the generation of tar, improve feed stock conversion; Two, utilize the high gas speed characteristics of the crude synthesis gas of thermal plasma pyrolysis of gasified bio-matter generation, very easily in the gas-solid cyclone separator cartridge, isolate solid product, reduce the influence of the carbon dust that produces in the thermal plasma pyrolytic gasification process, prolong catalyzer work-ing life the catalyzer in the catalytic reforming reaction bed; Three, utilize the high temperature characteristics of the crude synthesis gas of thermal plasma pyrolysis of gasified bio-matter generation, can be synthetic gas (CO+H2) with methane in the gaseous product and the further catalytic reforming of carbonic acid gas at the catalytic reforming reaction bed, reach the purification synthetic gas, improve the grade of synthetic gas and the purpose of process capacity usage ratio; Four, this device just can be dealt with problems with the simple processing of suitable material, can obtain high-grade synthetic gas under big raw material charging situation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of gas distributor.
Description of reference numerals: feeding screw 1, the horizontal reaction tubes 2 of pyrolytic gasification, gas-solid cyclone separator cartridge 3, catalytic reforming reaction bed 4, thermal plasma jet 5, three high graphite chucks 6, insulation and thermal insulation layer 7, gas distributor 8, cinder notch 10 is unloaded in slag storehouse 9, riser 11.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment: as Fig. 1, the device of this biomass pyrogenation gasification preparing synthetic gas mainly is made of the horizontal reaction tubes 2 of pyrolytic gasification, gas-solid cyclone separator cartridge 3,4 three part series connection of catalytic reforming reaction bed.The horizontal reaction tubes 2 of its pyrolytic gasification is the inlet pipe of cyclonic separator, and catalytic reforming reaction bed 4 is the vapor pipe of cyclonic separator.Horizontal reaction tubes 2 liners of pyrolytic gasification three high graphite chucks 6, the outer coated insulation thermal insulation layer 7 of cyclonic separator.Gas-solid cyclone separator cartridge 3 and 4 direct vertical connections of catalytic reforming reaction bed, the crude synthesis gas in the biomass pyrogenation gasification process carry out gas-solid cyclone to be separated after gas distributor enters catalytic reforming reaction bed 4.
These device liner three high graphite chucks 6, outer coated insulation thermal insulation layer 7 has reduced heat passage loss, has improved thermo-efficiency.Institute's energy requirement is all provided by thermal plasma jet 5 in the reaction process, the solid product that produces in the thermal plasma pyrolytic gasification process removes in gas-solid cyclone separator cartridge 3, reduced influence, improved the work-ing life of catalyzer the catalyzer in the catalytic reforming reaction bed 4.Gas distributor 8 as the carrier of support catalyst, on the other hand, is evenly distributed through the high temperature crude synthesis gas that enters into catalytic reforming reaction bed 4 behind the riser 11 on the one hand, has improved the efficient of methane and carbonic acid gas catalytic conversion reaction process.
Principle of work of the present utility model is: the biomass material that gets off from feeding screw 1 enters the horizontal reaction tubes 2 of pyrolytic gasification under action of gravity, the pyrolytic gasification reaction takes place in the high temperature heat source of thermal plasma jet 5 and chemically-active particle source environment, reacted high temperature crude synthesis gas enters in the gas-solid cyclone separator cartridge 3, under the centrifugal inertial force effect, the high temperature crude synthesis gas removes the solid product that produces in the pyrolytic gasification reaction process, separating the solid product that obtains is collected in the slag storehouse 9, finally get rid of, remove high temperature crude synthesis gas behind the carbon dust carries out methane and carbonic acid gas in catalytic reforming reaction bed 4 through gas distributor 8 backs catalytic reforming reactions by unloading cinder notch 10; The high temperature crude synthesis gas required heat that reacts in catalytic reforming reaction bed 4 is provided by the high temperature crude synthesis gas that the thermal plasma gasification reaction produces.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. the device of a biomass pyrogenation gasification preparing synthetic gas, comprise feeding screw (1), it is characterized in that: feeding screw (1) is connected with the inlet mouth of the horizontal reaction tubes of pyrolytic gasification (2), be provided with thermal plasma jet (5) in the horizontal reaction tubes of pyrolytic gasification (2), the horizontal reaction tubes of pyrolytic gasification (2) front end is with vertical catalytic reforming reaction bed (4) and gas-solid cyclone separating tube (3) are communicated with up and down.
2. the device of biomass pyrogenation gasification preparing synthetic gas according to claim 1 is characterized in that: the horizontal reaction tubes of described pyrolytic gasification (2) liner three high graphite chucks (6).
3. the device of biomass pyrogenation gasification preparing synthetic gas according to claim 1 is characterized in that: the outer insulation and thermal insulation layer (7) that is provided with of the horizontal reaction tubes of described pyrolytic gasification (2), gas-solid cyclone separator cartridge (3) and catalytic reforming reaction bed (4).
4. the device of biomass pyrogenation gasification preparing synthetic gas according to claim 1 is characterized in that: described gas-solid cyclone separator cartridge (3) bottom is provided with slag storehouse (9), and slag storehouse (9) are provided with and unload cinder notch (10).
5. the device of biomass pyrogenation gasification preparing synthetic gas according to claim 1, it is characterized in that: be provided with gas distributor (8) between described catalytic reforming reaction bed (4) and the gas-solid cyclone separating tube (3), gas distributor (8) is provided with equally distributed riser (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201618747U CN202080878U (en) | 2011-05-18 | 2011-05-18 | Device for preparation of synthesis gas through biomass pyrolysis and gasification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201618747U CN202080878U (en) | 2011-05-18 | 2011-05-18 | Device for preparation of synthesis gas through biomass pyrolysis and gasification |
Publications (1)
| Publication Number | Publication Date |
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| CN202080878U true CN202080878U (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201618747U Expired - Fee Related CN202080878U (en) | 2011-05-18 | 2011-05-18 | Device for preparation of synthesis gas through biomass pyrolysis and gasification |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226091A (en) * | 2011-05-18 | 2011-10-26 | 浙江工业大学 | Apparatus for producing synthetic gas by pyrolysis gasification of biomass |
| CN104528645A (en) * | 2014-12-26 | 2015-04-22 | 天津大学 | Device and method for preparing biological synthesis gas |
-
2011
- 2011-05-18 CN CN2011201618747U patent/CN202080878U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102226091A (en) * | 2011-05-18 | 2011-10-26 | 浙江工业大学 | Apparatus for producing synthetic gas by pyrolysis gasification of biomass |
| CN104528645A (en) * | 2014-12-26 | 2015-04-22 | 天津大学 | Device and method for preparing biological synthesis gas |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20150518 |
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| EXPY | Termination of patent right or utility model |