CN1869157A - Method of preparing combustible gas using wood cellulese kind biomass - Google Patents
Method of preparing combustible gas using wood cellulese kind biomass Download PDFInfo
- Publication number
- CN1869157A CN1869157A CNA2006100194587A CN200610019458A CN1869157A CN 1869157 A CN1869157 A CN 1869157A CN A2006100194587 A CNA2006100194587 A CN A2006100194587A CN 200610019458 A CN200610019458 A CN 200610019458A CN 1869157 A CN1869157 A CN 1869157A
- Authority
- CN
- China
- Prior art keywords
- biomass
- lignocellulose
- inflammable gas
- gas
- pyrolysis
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the method used lingo cellulose biomass to make combustible gas. It includes the following steps: using water vapor as gasification agent; sending the material into pyrolysis oven; heating; sending the water vapor into the oven; producing CO, H2 combustible gas at 700-1100 centigrade degree. The formed gas has high value and yield, and can be used as household fuel and industrial raw material. Its efficiency of carbon conversion can reach 88% without catalyst. And the response operator is easy to operate.
Description
Technical field
The invention belongs to a kind of method field of producing inflammable gas with lignocellulose-like biomass.
Background technology
In order to widen the scope of available stock, the biomass pyrogenation gasification technology has become the problem of numerous scientific worker's researchs.The present technology of biomass pyrogenation gasification adopts fixed bed more and is the gasification mode of vaporized chemical with the air, N in the gas that obtains
2With the tar content height, calorific value is 5000KJ/Nm
3About, the fluidized-bed process complicated operation is applied and is had many difficulties; The direct destructive distillation pyrolytic method of employing is also arranged, though gas heating value can be up to 14000KJ/Nm
3, but gasification efficiency is low.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of producing inflammable gas efficiently with lignocellulose-like biomass.
The present invention solves the problems of the technologies described above with following technical scheme: be vaporized chemical with the water vapor, after the lignocellulose-like biomass raw material is admitted to the high temperature pyrolysis stove, impose heat, outside pyrolysis oven, send into water vapour in the pyrolysis oven again, under 700～1100 ℃ of high temperature, the lignocellulose-like biomass gasification generates with CO, H
2Inflammable gas for main component.
Use method of the present invention to produce inflammable gas, can adopt the equipment of following structure: the reaction chamber both sides of tubular type pyrolysis oven are communicated with steam buffer jar and cooling tube respectively by valve, there is vapour generator in steam buffer jar the place ahead, connects silicagel column and pneumatic trough behind the cooling tube.
The advantage that the present invention compared with prior art has:
1, can obtain high heating value (10MJ/Nm
3) and high yield gas rate (1.7m
3/ kg) inflammable gas;
2, the inflammable gas of Chan Shenging both can be used as domestic fuel, again can be with CO, H
2As industrial raw material;
3, efficiency of carbon conversion height is issued to 88% in the condition of catalyst-free;
4, inflammable gas main component (CO, H
2) can regulate as required, and tar content is few;
5, reaction unit is simple, good operation.
Description of drawings
Fig. 1 is the present invention produces the method for inflammable gas with lignocellulose-like biomass a flow sheet.
Embodiment
Under the high temperature, utilizing vaporized chemical to make biomass is that plant material or other carbonaceous solids material transition of timber and so on becomes the thermochemical process of inflammable gas to be called gasification, and just solid or liquid fuel are converted into the thermochemical process of geseous fuel.In gasification installation, free oxygen or carry out chemical reaction in conjunction with the carbon in oxygen and the fuel generates inflammable gas.Utilize the method for gasification that wood material, agricultural crop straw or organic property trade waste are changed into geseous fuel, not only aspect save energy, be significant, and the protection environment, prevent aspect the pollution also significant.
The gasification of lignocellulose-like biomass is exactly to utilize airborne oxygen or oxygen carrier the fixed carbon in the biomass to be oxidized to the process of inflammable gas as vaporized chemical, adopt different material, be blown into gas with various (as air, oxygen, water vapor) or adopt different service temperatures, equipment, the combustible gas component that is produced is also different.
Method of the present invention is vaporized chemical with the water vapor, after lignocellulose-like biomass such as bagasse, rice straw, wood chip, wooden chaff, the dregs of a decoction are admitted to the high temperature pyrolysis stove, imposes heat, outside pyrolysis oven water vapour is sent in the pyrolysis oven again; Under 1000 ℃ of left and right sides high temperature, the lignocellulose-like biomass gasification generates with CO, H
2Inflammable gas for main component (＞50%).
Use method of the present invention to produce inflammable gas, can adopt the equipment of following structure: reaction chamber 5 both sides of tubular type pyrolysis oven are communicated with steam buffer jar 2 and cooling tube 11 respectively by valve 4 and valve 16, there is vapour generator 1 in steam buffer jar the place ahead, connects silicagel column 12 and pneumatic trough 13 behind the cooling tube.
Tubular type pyrolysis oven 8 cores are a hollow cylinder reaction chamber 5, and both sides are respectively netted steam distributor 6 and egress filtering device 10, and there is the temperature-measuring port of thermopair 9 centre.The steam that is produced by vapour generator 1 carries out emptying by the blow-off valve of steam buffer jar 2 earlier, original air in emptying steam buffer jar 2 and the vapour generator 1.To add after the bagasse weighing of setting particle diameter in the reaction chamber 5, the steam distributor 6 of one side is evenly distributed the water vapor that feeds reaction chamber 5, the egress filtering device 10 of opposite side is used to filter tiny carbon granules and the lime-ash that gasification produces, and owing to be arranged in high-temperature area, the netted egress filtering device of being made by high temperature stainless steel can also fully contact with the tar that inflammable gas contains, and it is cracked into micro-molecular gas.Insert thermopair 9 in the temperature-measuring port of furnace roof, thermopair links to each other with temperature regulator 7, sets pyrolysis temperature, connects the heating of pyrolysis oven power supply, and heating rate is 4 ℃/s, and this moment, the valve 4 and 16 at reaction chamber 5 two ends all was in closing condition.Pay close attention to the variation of aerogenesis pressure in the heat-processed.Wait to arrive pyrolysis eventually during temperature, open the valve at two ends, under the effect of steam distributor 6, water vapor is evenly by steam distributor, carries out gasification reaction with high-temperature material in the reaction chamber, and steam rates is about 8g/min, during keep temperature-resistant in the stove.The gas that produces obtains rough purification by egress filtering device 10 time, generate micro-molecular gas after the tar generation scission reaction wherein.The inflammable gas that comes out through valve 16, after cooling tube 11 and silicagel column 12 dryings, enter that the inflammable gas that gas gathering system obtains is pure, tar content seldom.
Embodiment one:
With the Shinyleaf Pricklyash Root dregs of a decoction as the raw material of producing inflammable gas:
1, with the dregs of a decoction according to big (long 20～30mm, wide 2～5mm down with), in (10～15,1～2), little (5～15,0.3～1) and powder (being crushed to sieve) by 45 meshes sort, standby after dry.
2, the steam that is produced by vapour generator 1 carries out emptying by the blow-off valve of steam buffer jar 2 earlier, original air in emptying steam buffer jar 2 and the vapour generator 1.
3, will set in the dregs of a decoction weighing 1.5 gram back adding reaction chambers 5 of particle diameter, the steam distributor 6 of one side is evenly distributed the water vapor that feeds reaction chamber 5, the egress filtering device 10 of opposite side is used to filter tiny carbon granules and the lime-ash that gasification produces, and owing to be arranged in high-temperature area, the gauze strainer of being made by high temperature stainless steel can also fully contact with the tar that inflammable gas contains, and it is cracked into micro-molecular gas.Insert thermopair 9 in the temperature-measuring port of furnace roof, thermopair links to each other with temperature regulator 7, and setting pyrolysis temperature is 1050 ℃, connects the heating of vapourizing furnace power supply, and heating rate is 4 ℃/s, and this moment, the valve at reaction chamber 5 two ends all was in closing condition.Pay close attention to the variation of aerogenesis pressure in the heat-processed.When waiting to arrive pyrolysis temperature at end, open the valve at two ends, under the effect of steam distributor 6, water vapor evenly passes through steam distributor, carry out gasification reaction with the high-temperature material in the reaction chamber 5, steam rates is about 8g/min, during keep in the stove temperature be 1000 ℃ constant.The gas that produces obtains rough purification by egress filtering device 10 time, and tar generation scission reaction wherein, generates micro-molecular gas.After the inflammable gas that valve 16 comes out passes through cooling tube 11 and silicagel column 12 dryings, enter pneumatic trough 13, the scale tank 14 of gas gathering system or gather air bag 15, just obtain pure, tar content inflammable gas seldom this moment.
4, experimental result
| Particle diameter | Greatly | In | Little | Powder | |
| Pyrolysis temperature (℃) | 700 | 800 | 900 | 1050 | |
| Heating rate (℃/s) | 2.37～1.02 | ||||
| Steam rates (g/min) | 8 | ||||
| Working pressure | Normal pressure | ||||
| Efficiency of carbon conversion (%) | 88.6 | 85.9 | 81.1 | 89.6 | |
| Aerogenesis calorific value LHV (KJ/Nm 3) | 12048 | 11959 | 11713 | 11908 | |
| CO/H 2 | 0.345 | 0.444 | 0.433 | 0.437 | |
| Gaseous constituent (%) | CO H 2 CH 4 N 2 CO 2 O 2 | 18.9 54.8 10.07 5.03 10.4 0.6 | 21.1 47.55 11.23 11.42 7.4 1.1 | 20.1 46.46 10.87 7.42 14 0.8 | 20.6 47.13 11.39 7.68 11.7 1.3 |
Embodiment two:
With bagasse as the raw material of producing inflammable gas:
1, with bagasse according to big (long 30～40mm, wide 2～5mm down with), in (long 15～30mm, wide by 2～5mm), little (long 5～15mm, wide 1～2mm) and powder (be crushed to the sieve by 30 meshes, 0.3～1mm) sorts, standby after dry.
2, the steam that is produced by vapour generator 1 carries out emptying by the blow-off valve of steam buffer jar 2 earlier, original air in emptying steam buffer jar and the vapour generator.
3, will set in the bagasse weighing 1.5 gram back adding reaction chambers 5 of particle diameter, in the temperature-measuring port of furnace roof, insert the thermopair 9 that links to each other with temperature regulator 7, setting pyrolysis temperature is 1080 ℃, connect the heating of vapourizing furnace power supply, heating rate is 4 ℃/s, and this moment, the valve at reaction chamber 5 two ends all was in closing condition.Wait to arrive pyrolysis eventually during temperature, open the valve at two ends, water vapor evenly enters reaction chamber 5 through steam distributor 6, and the high-temperature material in the reaction chamber carries out gasification reaction, and steam rates is about 8g/min, during keep in the stove temperature be 1000 ℃ constant.The gas that produces obtains rough purification by egress filtering device 10 time, and tar generation scission reaction wherein, generates micro-molecular gas.After the inflammable gas that valve 16 comes out passes through cooling tube 11 and silicagel column 12 dryings, enter pneumatic trough 13, the scale tank 14 of gas gathering system or gather air bag 15,, just obtain pure, tar content inflammable gas seldom this moment.
4, experimental result
| Particle diameter | Greatly | In | Little | Powder | |
| Pyrolysis temperature (℃) | 1050 | 1000 | 1050 | 1000 | |
| Heating rate (℃/s) | 4 | ||||
| Steam rates (g/min) | 8 | ||||
| Working pressure | Normal pressure | ||||
| Efficiency of carbon conversion (%) | 87.5 | 71.6 | 88.2 | 70.0 | |
| Aerogenesis calorific value LHV (KJ/Nm 3) | 11274.1 | 10645.0 | 11257.7 | 10763.6 | |
| CO/H 2 | 0.45 | 0.42 | 0.45 | 0.40 | |
| Gaseous constituent (%) | CO H 2 CH 4 N 2 CO 2 O 2 | 21.6 47.5 6.2 5.6 17.4 0.7 | 20.4 48.4 4.6 5 19.8 0.8 | 21.3 47.7 6.2 5.9 16.9 1 | 20 50.3 4.5 6.2 17.2 0.8 |
Claims (2)
1. method of producing inflammable gas with lignocellulose-like biomass, adopt the high temperature pyrolysis stove, it is characterized in that with the water vapor being vaporized chemical, after the lignocellulose-like biomass raw material is admitted to the high temperature pyrolysis stove, impose heat, water vapour is sent into outside pyrolysis oven in the pyrolysis oven, under 700～1100 ℃ of high temperature, the lignocellulose-like biomass gasification generates with CO, H again
2Inflammable gas for main component.
2. the method for producing inflammable gas with lignocellulose-like biomass as claimed in claim 1, it is characterized in that adopting the equipment of following structure: the reaction chamber both sides of tubular type pyrolysis oven are communicated with steam buffer jar and cooling tube respectively by valve, there is vapour generator in steam buffer jar the place ahead, connects silicagel column and pneumatic trough behind the cooling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100194587A CN1869157A (en) | 2006-06-21 | 2006-06-21 | Method of preparing combustible gas using wood cellulese kind biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100194587A CN1869157A (en) | 2006-06-21 | 2006-06-21 | Method of preparing combustible gas using wood cellulese kind biomass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1869157A true CN1869157A (en) | 2006-11-29 |
Family
ID=37442939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100194587A Pending CN1869157A (en) | 2006-06-21 | 2006-06-21 | Method of preparing combustible gas using wood cellulese kind biomass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1869157A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012010051A1 (en) * | 2010-07-20 | 2012-01-26 | 武汉凯迪控股投资有限公司 | Process and apparatus for the indirect gasification of biomass using water vapor |
| CN107711104A (en) * | 2017-09-24 | 2018-02-23 | 苏州雷度生物科技有限公司 | A kind of biomass material cuts carbonizing plant |
| CN108946661A (en) * | 2018-07-04 | 2018-12-07 | 新奥科技发展有限公司 | A kind of gasification of biomass prepares the method and system of hydrogen |
-
2006
- 2006-06-21 CN CNA2006100194587A patent/CN1869157A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012010051A1 (en) * | 2010-07-20 | 2012-01-26 | 武汉凯迪控股投资有限公司 | Process and apparatus for the indirect gasification of biomass using water vapor |
| CN107711104A (en) * | 2017-09-24 | 2018-02-23 | 苏州雷度生物科技有限公司 | A kind of biomass material cuts carbonizing plant |
| CN108946661A (en) * | 2018-07-04 | 2018-12-07 | 新奥科技发展有限公司 | A kind of gasification of biomass prepares the method and system of hydrogen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101353583B (en) | Biomass processing method | |
| CN102659723B (en) | The method of furfural is prepared with high robust fibre plant agricultural byproducts | |
| CN101100621A (en) | Method and device for preparing biomass hydrogen-rich combustion gas | |
| CN102559273A (en) | Microwave plasma biomass gasification fixed-bed gasification furnace and process | |
| CN101012384A (en) | Method and device for preparing combustion gas by gasifying biomass | |
| CN106629715A (en) | System and method for preparing active carbon by biomass | |
| CN114180521B (en) | Biomass hydrogen production system and method | |
| CN103074093A (en) | Integral process and system for directly drying and pyrolyzing lignite | |
| CN101885975A (en) | Device and process for bio-oil and carbon powder coproduction | |
| CN101962558B (en) | Biomass combustible gas high-temperature oxygen-free reinforced dry-distillation pyrolysis plant | |
| CN1869157A (en) | Method of preparing combustible gas using wood cellulese kind biomass | |
| CN102517079B (en) | Biomass gasifying device with function of catalytically cracking inner circulation tar | |
| CN110848665B (en) | Steam/carbon combined production process based on biomass pyrolysis gasification and combustion and application thereof | |
| CN1900241A (en) | Process for making combustable gas by external high temperature CO2 and biomass reducing reaction | |
| CN201634633U (en) | Device for producing biomass pyrolytic oil through rapid pyrolysis by biomass fluidized bed | |
| CN102703123B (en) | Biomass particle gasification process for kiln | |
| CN101768473A (en) | Biomass and high heating value garbage gasifying method for distribution type renewable energy system | |
| CN204417427U (en) | A kind of can the complexes of continuous seepage biomass through pyrolysis combustion gas | |
| CN209957715U (en) | Biomass pyrolysis gasification hydrogen production system | |
| CN100580061C (en) | Dual fluidized bed gasification-combustion coupling equipment for preparing synthesis gas with high concentration from solid fuel | |
| CN201883074U (en) | Closed type large-scale straw gasification system for producing charcoal | |
| CN113321182A (en) | System and method for producing hydrogen by coupling sludge | |
| CN201942649U (en) | Biomass gasification device | |
| CN206720748U (en) | The system that activated carbon is prepared using biomass | |
| CN205170747U (en) | Novel revolving bed living beings pyrolysis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |