CN101440291B - Biomass gasification equipment and process - Google Patents
Biomass gasification equipment and process Download PDFInfo
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- CN101440291B CN101440291B CN 200810230162 CN200810230162A CN101440291B CN 101440291 B CN101440291 B CN 101440291B CN 200810230162 CN200810230162 CN 200810230162 CN 200810230162 A CN200810230162 A CN 200810230162A CN 101440291 B CN101440291 B CN 101440291B
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- water
- air
- ring compressor
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Abstract
The invention relates to a biomass gasification device and a gasification process. The biomass gasification device comprises a fan, a gas generator, a gas purification device, a pressure vessel and a gas conveying pipe network of a user terminal. The biomass gasification device is characterized by also comprising a water ring compressor and a gas-water separator. The biomass gasification device converts a biomass material with low thermal value and waste into clean environment-friendly biomass fuel gas with high thermal value, has a reasonable and compact structure, small occupied area, and simple, high-efficient and safe process, and obtains clean pollution-free fuel gas with high purity and in particular solves the problem of the separation of wood tar, thereby effectively preventing erosion, blockage and environmental pollution in a pipeline; and the biomass gasification device has wide application and in particular realizes fueling and channelization of biomass waste in rural area as soon as possible so that common rural people, like urban people, can use clean and convenient fuel gas.
Description
Technical field
The present invention relates to the destructive distillation production combustion gas of carbonaceous material, relate in particular to a kind of biomass gasification equipment and gasifying process.
Background technology
The energy is the important substance basis of world's mankind's socio-economic development, is the major impetus source of productivity development.Development of world economy fully shows: the rate of growth of the energy and GNP simultaneous growth are proportionate.After the war world's capitalist economy great development 50～seventies is supplied with closely related with sufficient cheap energy resource supply, particularly oil.For this reason, energy resource supply causes the common concern in the world.
Energy issue of world also is not quite similar on the impact of countries in the world.Counter-measures and measure are taked according to national conditions separately in countries in the world, make every effort to relax energy problem.As adjust energy consumption structure, avoid simplification; The active development new forms of energy develop marine young oil base, make energy expenditure day by day move towards diversification; And carry out from many aspects energy-conservation research and take effective measures etc.
Biomass energy is the important energy source that the mankind depend on for existence always, and it is to be only second to coal, oil and natural gas and the energy that occupy the 4th of world energy sources total quantity consumed, occupies critical role in whole energy resource system.Development and use biomass energy renewable energy source is for the energy resource system of setting up Sustainable development, and promoting national economic development is significant with environment protection.
The biomass fuel that existing biomass gasification equipment utilization need not to process, comprise that agricultural wastes and organic waste are as raw material, burn through anaerobism, Pintsch process, produce flammable mixed gas, supply with urban residents' cooking, heat up water, the daily lifes such as heating are used, has economy, convenient, the characteristics such as practicality, but, because its structure is simple and crude, design unreasonablely, exist many defectives, long such as the smoke evacuation time, contaminate environment, do not filter or filter and thoroughly do not cause air delivering pipeline and burner to stop up, can only intermittently use, the accumulating that is not easy to combustion gas is carried, and more is not easy to the networking of many families or large scale application.At present, hindering Biomass Energy Development, to face hard problem be to extract wood tar oil; Person in addition, any gas is all compressible, but inflammable gas has inflammable and explosive characteristics, so the storage of combustion gas and transmission equipment require to have simultaneously dual-use function explosion-proof and that gas is compressed.
Patent application CN101307238 " biomass gasification device " and CN101302430 " method for preparing combustion gas with agricultural waste material and organic waste " disclose respectively a kind of biomass gasification device and biogas metallization processes, its complete assembly interconnects under closed state, take natural agricultural waste material and organic waste as raw material, energy transformation by multiple biomass energy, the high efficient energy sources of clean environment firendly have been formed, low-cost, easily popularization, and be inexhaustible, nexhaustible green energy resource.
Yet its design still exists some unsatisfactory parts:
The power that aforementioned patent flows in whole device as generating gas with Antiexplosion air compressor, and as the compressed power of pure gas; Under the draft effect of vacuum pump, after the operation of the combustion gas that contains impurity through the sedimentation of a lot of and filtration, still contain inevitably a small amount of wood tar oil, because it is than great, viscosity is high, when combustion gas is passed through air compressor subsequently, nature can be bonded on the inwall and pressure ring of air compressor, in time cleaning, otherwise the time one is long, and the working efficiency of air compressor must reduce; Thereby the gasification efficiency of complete assembly is reduced greatly.
Summary of the invention
The present invention is intended to disclose cover biomass gasification equipment and a gasifying process, the generation, filtration, the accumulating that integrate combustion gas are carried, more compact structure, technique is simpler, efficient and convenient, can obtain on the one hand more high purity, more cleaning, free of contamination combustion gas, guaranteed on the other hand the continuous use of combustion gas, further reduce maintenance cost, thereby had more Practical significance and promotional value.
Technical solution of the present invention is achieved in that
A kind of biomass gasification equipment comprises the transmission pipeline network of gas blower, producer gas generator, gas buffer tank I, filtering system, water ring compressor, air water separator, pressurized vessel and user side,
It is characterized in that: also comprise water ring compressor and air water separator; Described water ring compressor is furnished with pressure equalizing pipe, water seal;
Described gas blower is communicated in the bottom of producer gas generator, link to each other successively by air delivering pipeline between described producer gas generator, gas buffer tank, filtering system, water ring compressor, air water separator, the pressurized vessel, pressurized vessel then is connected with the user side gas line network by reducing valve;
Described pressure equalizing pipe one end connects the air delivering pipeline of water ring compressor inlet end, and the other end connects the air delivering pipeline of the outlet side of air water separator;
Described air water separator is provided with water discharge valve and liquidometer.
Described filtering system comprises water filter, sprayed tank and dry filter, between described sprayed tank and dry filter, also be connected with gas buffer tank II, from described water filter, sprayed tank, gas buffer tank II until dry filter be connected successively by air delivering pipeline; The bottom of described water filter, gas buffer tank II and dry filter is respectively equipped with wash water valve.
Be the further filter effect that improves, and guarantee that equipment configuration is compact, technique is simple, the inner top filtering net that is horizontally installed with of described air water separator, and its inlet mouth is located at below the described filtering net.
Better a kind of scheme with the filtering net in the described air water separator for being designed to funnel type.
The free air delivery scope of described water ring compressor is: 90m
3/ h～1800m
3/ h, maximum working pressure (MWP) are 0.6MPa-0.8MPa.
Use aforesaid biomass gasification equipment to carry out the technique of gasifying biomass, comprise following processing step:
(1) combustion gas generates: take multiple kinds of crops waste and organic waste as raw material, be dried to water ratio≤20%, under the effect of gas blower, carry out anoxycausis, and, produce and contain CO, H
2, CH
4, C
2H
6Inflammable gas and vaporific wood tar oil gas;
(2) purification filtering of combustion gas: under the draft effect of water ring compressor, the combustion gas that generates etc. enters among the gas buffer tank I through air delivering pipeline, the sedimentation of impurity also occurs in automatic cooling, entered in the water filter by air delivering pipeline again, various impurity in the combustion gas comprise that dust and wood tar oil are adsorbed and settle down, then enter the water spray fill with in further eccysis impurity; Yet enter again carry out sedimentation in the gas buffer tank II and process after, entered by air delivering pipeline and to filter in the dry filter and dry; Regularly carrying out simultaneously blowdown and draining processes;
(3) compression of combustion gas storage: the combustion gas after the purification is carried out gas-water separation and dry filter again, compressed being stored in the pressurized vessel through air water separator under the effect of water ring compressor; The free air delivery scope of described water ring compressor is: 90m
3/ h～1800m
3/ h, maximum working pressure (MWP) are 0.6MPa; Air water separator carries out uninterrupted draining according to the demonstration of its liquidometer;
Flowing of the combustion gas that produces leans on the draft of water ring compressor to realize, described water ring compressor has the effect of draft on the one hand to finishing combustion gas after the filtration, on the other hand with in the described pressurized vessel of packing into after the described combustion gas compression, so that the collection of combustion gas and accumulating, in the idle situation of described water ring compressor, stopping valve and check valve play respectively or jointly the effect that stops pure combustion gas to be flow backwards to filtering system.
Compared with prior art, the invention has the beneficial effects as follows apparent:
The present invention adopts the water ring compressor as the power-equipment of combustion gas transmission and compression, because the characteristics that the water conservancy project of water ring compressor band is done, by recirculated water its internal clearance is sealed, though the combustion gas after the purification is with micro-wood tar oil, but the wood tar oil of described trace can enter in the described recirculated water, and is recycled water and takes out of outside the water ring compressor, thereby has prevented that the wood tar oil precipitation is bonded in water ring compressor inwall, greatly reduced maintenance cost, gasifying process is more steady reliable;
On the other hand, because water ring compressor compresses gas is to adopt water cycle work, thereby has better explosion-proof performance, it is also safer to be used for the extraction combustion gas; And, owing to do not have vent valve and friction surface, so can extract gas, condensable gases and air-water mixture with dust out; Sealing between its tumbler and the mounting block can directly be finished by water seal, and stopping property is fabulous;
Simultaneously, the water ring compressor arrangement is simple, compact, and floor space is also little, and the revolution of pump is higher, generally can with the electric motor direct connection, need not deceleration device, so with little scantlings of the structure, can obtain large free air delivery, the free air delivery scope of water ring compressor is in this programme: 90m
3/ h～1800m
3/ h.
In a word, this cover biomass gasification equipment and gasifying process, the generation, purification filtering and the compressing, stalling and transporting that integrate combustion gas, more reasonable structure is compacter, and floor space is little, more simple, the efficient and safety of technique, obtain higher, the more combustion gas of cleanliness without any pollution of purity, especially solve the separation problem of wood tar oil, thereby prevented that effectively the interior burn into of pipeline from stopping up and the problem of environmental pollution, met the environmental requirement of energy-saving and emission-reduction; Thereby effectively guaranteed the without interruption of combustion gas, reduced maintenance time, reduced production cost, gasification efficiency reaches 95%, and fuel gases calorific value reaches 1661kcal/m
3
Description of drawings
Fig. 1 is the schematic flow sheet of this equipment.Among the figure,
1, loader
2, producer gas generator
3, gas blower
4, gas cushion I
5, water filter
6, sprayed tank
7, gas buffer tank II
8, dry filter
9, water ring compressor
10, pressure equalizing pipe
11, air water separator
12, exhaust smoke valve
13,14,16,17, wash water valve
15, recycle pump
18, water discharge valve
19, liquidometer
Embodiment
Now by reference to the accompanying drawings the present invention is described in further detail:
Described biomass gasification equipment as shown in Figure 1, comprises 2 one of producer gas generators, the high 1500mm of its body of heater, the high 1200mm in anoxic chamber in the diameter 1200mm, burner hearth, internal diameter 800mm; Two 4 of gas cushions, 7 place respectively on the outlet conduit of producer gas generator 2 and on the outlet conduit of water spray filtering 6; Water filter 5, sprayed tank 6, dry filter 8 each one, 1.5KW gas blower 3, water ring compressor 9 and air water separator 11 each, the water ring compressor is furnished with pressure equalizing pipe 10, described pressure equalizing pipe 10 1 ends connect the air delivering pipeline of water ring compressor 9 inlet ends, and the other end connects the air delivering pipeline of the outlet side of air water separator 11; Described air water separator 11 is provided with water discharge valve 18 and liquidometer 19; Comprise also that stopping valve, check valve are some, pressurized vessel and user side transmission pipeline network; The burner hearth of described producer gas generator 2 is with cooling water recirculation system outward, and its water-in and water outlet lay respectively at bottom and the top of producer gas generator; Be separately installed with safety valve on producer gas generator 2, gas buffer tank I4 and the pressurized vessel, wash water valve is all installed in the bottom of surge tank I4, water filter 5, surge tank II7, dry filter 8 and pressurized vessel; The exit end of surge tank I is by Y-tube, and a termination enters exhaust smoke valve 12, one terminations and enters water filter 5 bottoms; Each connecting portion interval is substantially about 300mm.This cover equipment also can enter according to actual needs corresponding setting.
Generation, purification, packing and accumulating that a whole set of equipment integrates inflammable gas are carried, and its technical process is as follows:
(1) biomass fuel of packing into: water content is not more than 20% agricultural waste material or organic waste packs in the stove of producer gas generator, and by the platen compacting;
Described agricultural waste material comprises maize straw, rice straw, wheat-straw, Pericarppium arachidis hypogaeae, soybean bar, melon seed cases and biological weeds, leaf, branch etc.; Described organic waste comprises that various mixture water content require below 20% such as old newspaper, carton, the chopsticks of using, waste paper, useless burlap, waste and old gloves etc., and take water content below 18% as optimum fuel;
(2) anaerobism is burnt and is produced inflammable gas: occur to be blown into air with gas blower in producer gas generator under the prerequisite of equipment sealing at a whole set of gas behind the ignited fuel, cause the interior anaerobism burning of stove, and constantly form CO, H
2, CH
4, C
2H
6, the air mixture such as CnHm; Use simultaneously driven by motor water ring compressor to cooperate from the other end and bleed inwards, impel gas flow;
(3) filtration, purification, remove wood tar oil, dust etc., to obtain drying, pure combustion gas: ducted combustion gas at first enters water filter filtering, and again purifies at sprayed tank; Thereupon through surge tank II, be drawn into again dry filter, through dry filter, the various net layer by layer Filtration Adsorption according to Filtration Adsorption layer, filter cotton and 350 order steel meshes, and be provided with respectively 350 purpose steel meshes in inlet mouth and the air outlet of dry filter, further improve filter effect;
(4) combustion gas pressurization tinning: through aforementioned filtration, purification and the combustion gas after drying be pressed in the pressurized vessel by the water ring compressor, its working pressure range is 0.1MPa～0.6MPa; With 90m
3Pressurized vessel be example, when the operating pressure of water ring compressor 5 was 0.3MPa, the operating pressure of pressurized vessel also was 0.3MPa, then the gas of container storage is 270m
3When the operating pressure of water ring compressor 5 was 0.6MPa, the operating pressure of pressurized vessel was 0.6MPa, and then the gas of container storage is 540m
3
At last, combustion gas in the pressurized vessel is after reducing valve is decompressed to less than 0.1MPa, send into gas pipe line, the combustion gas that enters gas pipe line enters user's gas pipe line at last, user's pneumatic tube pressure is decompressed to 3000Pa through reducing valve again, then directly supply with kitchen range and use, and can guarantee the needs of continuous air feed.
In brief, a whole set of equipment can generically be interpreted as: gas blower is brought air into producer gas generator, energy transformation occurs in biomass fuel in producer gas generator, form inflammable gas, and after the layer by layer high-efficiency filtration systems effects such as immersion method, dry filter, under the effect of the machine of water ring compressor, gas is packed in the pressurized vessel of certain pressure intensity, again through reduced pressure treatment, by the user side transmission pipeline network, the user side cooking stove is delivered in cleaning, pure combustion gas during use.Because this cover equipment filters fully efficient, the flame of seeing during the final fuel gas buring that forms is pure sky blue.
The combustion gas of producer gas generator institute output through the filtration of strainer, reaches the purpose that purifies and lower the temperature, and flowing of combustion gas leans on the draft of water ring compressor to realize, carries out sending into gas-holder after the gas-water separation through entering air water separator after the water ring compressor compresses.Combustion gas in the gas-holder will keep constant pressure, and the size of pressure values will guarantee the pressure of farthest user kitchen range, and the pressure of pressure-vessel is controlled at the position of the maximum distance size of supplying gas under the certain pressure about less than 0.1MPa.
The combustion gas that produces in the producer gas generator is flowed in stove from bottom to top, tar in zone of oxidation, reducing zone generation, can be thermally cracked to the gas of small molecular weight, so the coal-tar middle oil content of the combustion gas of coming out of the stove is fewer, after passing through various filtrations and aqueous vapor is separated again, reliable, gas production rate and gas consumption coupling are rationally, the raw material consumption is few, need not to add any additive, and calorific value is up to 1661kcal/m
3, per kilogram fuel can be changed inflammable gas and reach 2.0M
3Can satisfy the have a meal continual continuous air feed of cooking stove of usefulness of upper one thousand families.
The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (6)
1. biomass gasification equipment comprises the transmission pipeline network of gas blower, producer gas generator, gas buffer tank I, filtering system, pressurized vessel and user side,
It is characterized in that: also comprise water ring compressor and air water separator; Described water ring compressor is furnished with pressure equalizing pipe;
Described gas blower is communicated in the bottom of producer gas generator, link to each other successively by air delivering pipeline between described producer gas generator, gas buffer tank, filtering system, water ring compressor, air water separator, the pressurized vessel, pressurized vessel then is connected with the user side gas line network by reducing valve;
Described pressure equalizing pipe one end connects the air delivering pipeline of water ring compressor inlet end, and the other end connects the air delivering pipeline of the outlet side of air water separator;
Described air water separator is provided with water discharge valve and liquidometer.
2. biomass gasification equipment according to claim 1, it is characterized in that: described filtering system comprises water filter, sprayed tank and dry filter, between described sprayed tank and dry filter, also be connected with gas buffer tank II, from described water filter, sprayed tank, gas buffer tank II until dry filter be connected successively by air delivering pipeline; The bottom of described water filter, gas buffer tank II and dry filter is respectively equipped with wash water valve.
3. biomass gasification equipment according to claim 2 is characterized in that:
The inner top filtering net that is horizontally installed with of described air water separator, its inlet mouth is located at below the described filtering net.
4. biomass gasification equipment according to claim 3 is characterized in that:
Filtering net in the described air water separator is funnel type.
5. according to claim 1,2,3 or 4 described biomass gasification equipments, it is characterized in that:
The free air delivery scope of described water ring compressor is: 90m
3/ h～1800m
3/ h, maximum working pressure (MWP) are 0.6MPa.
6. biogas metallization processes comprises following processing step:
(1) combustion gas generates: take various agricultural waste materials and organic waste as raw material, be dried to water ratio≤20%, carry out anoxycausis under the effect of gas blower, produce and contain CO, H
2, CH
4, C
2H
6Inflammable gas and vaporific wood tar oil gas;
(2) purification filtering of combustion gas: under the draft effect of water ring compressor, the combustion gas and the vaporific wood tar oil gas that generate enter among the gas buffer tank I through air delivering pipeline, the sedimentation of impurity also occurs in automatic cooling, entered in the water filter by air delivering pipeline again, various impurity in the combustion gas comprise that dust and wood tar oil are adsorbed and settle down, and then enter in the water spray thrower further eccysis impurity; Then enter again carry out sedimentation in the gas buffer tank II and process after, entered by air delivering pipeline and to carry out gas-water separation in the air water separator; Regularly carrying out simultaneously blowdown and draining processes;
(3) compression of combustion gas storage: the combustion gas after the purification is carried out gas-water separation and dry filter again, compressed being stored in the pressurized vessel through air water separator under the effect of water ring compressor; The free air delivery scope of described water ring compressor is: 90m
3/ h～1800m
3/ h, maximum working pressure (MWP) are 0.6MPa; Air water separator carries out uninterrupted draining according to the demonstration of its liquidometer.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810230162 CN101440291B (en) | 2008-12-24 | 2008-12-24 | Biomass gasification equipment and process |
| EP09793623A EP2379681A2 (en) | 2008-12-24 | 2009-12-23 | Biomass gasification device and process |
| PCT/NL2009/050799 WO2010074574A2 (en) | 2008-12-24 | 2009-12-23 | Biomass gasification device and process |
| US13/142,064 US20110308157A1 (en) | 2008-12-24 | 2009-12-23 | Biomass gasification device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810230162 CN101440291B (en) | 2008-12-24 | 2008-12-24 | Biomass gasification equipment and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101440291A CN101440291A (en) | 2009-05-27 |
| CN101440291B true CN101440291B (en) | 2013-01-02 |
Family
ID=40724904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810230162 Expired - Fee Related CN101440291B (en) | 2008-12-24 | 2008-12-24 | Biomass gasification equipment and process |
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| Country | Link |
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| CN (1) | CN101440291B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812344B (en) * | 2009-11-12 | 2012-12-05 | 吴汉民 | Process utilizing agroforestrial waste to produce biomass molding charcoal |
| CN101993748B (en) * | 2010-11-05 | 2013-02-06 | 四川亚连科技有限责任公司 | Method for preparing and synthesizing natural gas by utilizing straw gas |
| CN102517077A (en) * | 2011-12-02 | 2012-06-27 | 上海交通大学 | Method for preparing flammable gas by using peach tree branches of different particle diameters |
| CN105694928A (en) * | 2016-01-28 | 2016-06-22 | 湖南驰力新能源科技有限公司 | Biomass retort system |
| CN105969430A (en) * | 2016-02-02 | 2016-09-28 | 海泉风雷新能源发电股份有限公司 | Straw gasifier gas production and filtering apparatus |
| CN106502282A (en) * | 2016-09-27 | 2017-03-15 | 大庆中蓝石化有限公司 | Tower tank liquid level dash adjustment system in a kind of big processing capacity petrochemical plant |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221777A (en) * | 1997-12-31 | 1999-07-07 | 中国科学院广州能源研究所 | Method and appts. for producing medium-heat value combustible gas from oxygen gasified of biological substances |
| CN1304976A (en) * | 2000-10-11 | 2001-07-25 | 中国科学院山西煤炭化学研究所 | Process for preparing fuel gas by gasifying biomass and its gasifying reactor |
| CN101307238A (en) * | 2008-01-14 | 2008-11-19 | 张建超 | Biomass gasifying device |
| CN201158630Y (en) * | 2008-01-15 | 2008-12-03 | 张建超 | Biomass gasifying device |
-
2008
- 2008-12-24 CN CN 200810230162 patent/CN101440291B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221777A (en) * | 1997-12-31 | 1999-07-07 | 中国科学院广州能源研究所 | Method and appts. for producing medium-heat value combustible gas from oxygen gasified of biological substances |
| CN1304976A (en) * | 2000-10-11 | 2001-07-25 | 中国科学院山西煤炭化学研究所 | Process for preparing fuel gas by gasifying biomass and its gasifying reactor |
| CN101307238A (en) * | 2008-01-14 | 2008-11-19 | 张建超 | Biomass gasifying device |
| CN201158630Y (en) * | 2008-01-15 | 2008-12-03 | 张建超 | Biomass gasifying device |
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