CN1078235C - Rice husk gas producing technology and equipment thereof - Google Patents
Rice husk gas producing technology and equipment thereof Download PDFInfo
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- CN1078235C CN1078235C CN98119073A CN98119073A CN1078235C CN 1078235 C CN1078235 C CN 1078235C CN 98119073 A CN98119073 A CN 98119073A CN 98119073 A CN98119073 A CN 98119073A CN 1078235 C CN1078235 C CN 1078235C
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- gas
- rice husk
- strainer
- coal gas
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- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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- Coke Industry (AREA)
Abstract
The present invention discloses manufacturing technology of rice hull coal gas and a device thereof. The coal gas is mainly manufactured by that rice hulls are gasified by an oxidation zone, a reduction zone and a distillation zone in the furnace chamber of a gas producer, and then the rice hulls are purified by devices of Shakelong, ore and fiber filters, etc. to obtain the rice hull coal gas. The present invention has the advantages of simpe and easy manufacturing technology, simple device manufacture, low cost and short construction period, and the manufacturing technology is simultaneously suitable for gasifying technology of straw fuel, shell fuel, residue fiber fuel.
Description
The present invention relates to the Energy conversion technology and equipment, specifically, it relates to a kind of production technique and equipment of rice husk gas.
China is the large agricultural country based on plantation paddy.As everybody knows, rice husk is a kind of abundant energy, and as far back as the World Food Programme in 1971 prediction, rice husk will be one of following important fuel of extensively utilizing, and attention all focuses on and how to utilize the rice husk energy to have breakthrough technically.How to find out one and this is become satisfy the people's lives demand, most economical, the most economical, the effective way of clean coal gas, it will be a considerable energy wealth.
The purpose of this invention is to provide and a kind ofly make the processing method and the equipment thereof of raw material producing coal in next life gas, to satisfy the energy demand of numerous people life with rice husk.
The objective of the invention is to realize by following method and apparatus.
A kind of production technique of rice husk gas, it comprises the following steps:
(1) with rice husk by elevator delivery in the material stock bag, by turner rice husk is transported to fuel bed in the producer gas generator burner hearth;
(2) in the oxidation zone igniting of the wind vent of producer gas generator, drawing rice husk, shutting fire door by air blast, the rice husk oxidation zone in producer gas generator, reduction zone and distillation zone respectively gasifies, in the gasification, in oxidation zone, rice husk fires under the condition of control oxygen chars, and produces CO earlier
2, reduce rice husk and moisture and CO in the reduction zone by hot-fluid then
2Burning at high temperature produces carbon monoxide (CO) and H
2, under the anoxybiotic situation, rice hull cellulose is converted into methane (CH
4), make non-combustion gas body (nitrogen and CO simultaneously
2) volume is as far as possible little, in the distillation zone, inflammable gas CO, H
2And CH
4Converge into the coal gas air-flow;
(3) starting rotary grate, restart the press pump of bleeding, coal gas purifies to cleaner by the rotary grate orifice flow, pulls out plate simultaneously most carbon are entered the pond, and small portion carbon ash is with entering the pond by centrifugation in the cyclonic separator that coal gas flows to strainer is connected;
(4) tar in the rice husk gas with air-flow enter into the ore deposit, fine strainer filters, cooling is got rid of under the effect of recirculated water, trickle ash content is excluded simultaneously, the tar that small part is sneaked in the coal gas is removed through the solution cyclonic separator, coal gas filters through two ore deposits, fine strainer again, has just obtained the rice husk gas that is suitable for.
(5) by the press pump of bleeding coal gas is stored into gas tank.
The equipment of realizing aforesaid method comprises:
(1) lift and conveyer and a turner are used to import rice husk;
(2) producer gas generators are provided with oxidation zone, reduction zone, heat up in a steamer the district in its burner hearth, be used for the rice husk combustion gases;
(3) wind vents are located at the oxidation zone of burner hearth, and by furnace shell be interlinked to the outside, be used for the air blast igniting;
(4) rotary grates are located at lower furnace portion, and can be with its central shaft rotation;
(5) one are pulled out plate, with the same central shaft of rotary grate, are in the rotary grate below;
(6) gas exits are located at bottom, furnace shell side, and are communicated with the rotary grate and the space of pulling out between the plate;
The outlet of (7) charcoal ashes is located at furnace bottom, is communicated with the pond;
(8) top covers are located at the producer gas generator top, are used to control oxygen amount in the stove;
(9) one with the coaxial electric motor that is connected of wheel box, be connected with above-mentioned central shaft by twisted spur gear;
(10) cleaner devices are made up of three strainers and two cyclonic separators, and the bottom of strainer is communicated with the pond, and inside is provided with fixedly comb grid, is stacked with fine material and pit wood above it; The top is provided with the recirculated water halter that is communicated with the pond;
A cyclonic separator side is provided with gas inlet, and the bottom is communicated with the pond, and its side is connected to a gas line and is communicated with the strainer bottom;
Another cyclonic separator bottom communicates with a liquation case, and the side is provided with the pipeline that links to each other with strainer top, and is provided with and other two gas exits that the strainer (not shown) of ganging up is connected;
(11) press pumps of bleeding are used to collect the coal gas pressurization;
(12) gas holders are used to collect coal gas.
Technical process:
The present invention has following positively effect:
1, this equipment making is simple, and processing method is easy to operate, and material selection is economy but also easily get not only, and project investment is few, and it is short to build the product cycle, and instant effect is applied widely;
2, provincialism abundant raw material, low production cost, the income return rate is considerable;
3, rice hull ash can be used as local soil improvement agent, or is used for reprocessing;
4, this equipment and technology also adapt to the gasification technology of fibre fuels such as straw, bar, shell, slag.
The present invention can be directly civilian, also can be at (in 25-250 horsepower scopes) energy as generating, irrigation, rice milling, engine.
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a production unit structural representation of the present invention.
As shown in the figure, the refining plant that the present invention mainly comprises producer gas generator 1, pond 2, is made up of strainer 3, whirlwind clutch coupling 4,5, recirculated water halter 6, electric motor 7, wheel box 8, its constructional feature is: producer gas generator 1 top is provided with a lid (not shown), what of oxygen in the may command stove, be provided with the fuel bed of oxidation zone 9, reduction zone 10, distillation zone 11 formations in the burner hearth, be used for the rice husk combustion gasification, be provided with in the oxidation zone 9 of stove 1 and pass furnace wall 12 wind vents 13 interlinked with the outside, be used for air blast, igniting; Be provided with a rotary grate 14 in stove 1 bottom and pull out plate 15, and can both be with central shaft 16 rotations, central shaft 16 is connected with wheel box 8 with electric motor 7 by twisted spur gear 17 engagements.The side that is in rotary grate 14 and pulls out the stove between the plate 15 is provided with gas exit 18, is provided with the charcoal ash outlet 19 that is communicated with pond 2 in the bottom of stove.Gas exit 18 is communicated with the import 23 of whirlwind clutch coupling 4 by pipeline, whirlwind clutch coupling 4 bottoms are communicated with pond 2, and be communicated with strainer 3 bottoms by pipeline, strainer 3 bottoms are communicated with pond 2, in strainer 3, be provided with fixedly grate 20, be placed with the fine material 21, the pit wood 22 that filter usefulness on it respectively.Be provided with recirculated water tap 6 at strainer 3 tops, be used for cooling and remove, its top is communicated with whirlwind clutch coupling 5 by pipeline, and whirlwind clutch coupling 5 bottoms are communicated with liquor box 24, its inside is provided with a pipeline as gas exit 25, is connected with other two strainer (not shown)s of ganging up.
Principle of work of the present invention is: three zones of the fuel bed of rice husk in producer gas generator, promptly gasify in oxidation zone, reduction zone, distillation zone.In oxidation zone, rice husk is the charcoal that burns under the condition of control oxygen, at first produces carbonic acid gas (CO
2), hot-fluid reduces, and rice husk and moisture thereof and carbonic acid gas produce carbonic oxide (CO) and hydrogen (H under hot conditions
2), under the anoxybiotic situation, rice hull cellulose is converted into methane (CH
4), make non-combustion gas body (nitrogen and carbonic acid gas volume are as far as possible little) simultaneously; In the distillation zone, inflammable gas (carbon monoxide, hydrogen and methane) converges into coal gas stream.
Working process of the present invention is: rice husk is transported to rice husk material stock bag (not shown) is transported to burner hearth again by the turner (not shown) fuel bed by the elevator (not shown).Igniting in the wind vent 13 of oxidation zone, rice husk is being drawn in air blast, close the door, three zones of rice husk in the burner hearth of producer 1 begin gasification, the starting rotary grate, restart the press pump that draws water, coal gas is through the rotary grate hole, by gas exit 18, flow to refining plant, most carbon are by pulling out plate by charcoal ash outlet 19 row's pump sumps 2, small portion charcoal ash enters the whirlwind clutch coupling 4 of cleaner, by centrifugation row pump sump 2, the tar in the rice husk gas enters the ore deposit with air-flow, filter in the fine strainer 3, cooling is got rid of under the effect of recirculated water, trickle ash content is got rid of simultaneously, the tar that small part is sneaked in the coal gas is got rid of through whirlwind clutch coupling 5, filters through two strainers again, has just obtained the rice husk gas that is suitable at last.
Claims (2)
1, a kind of rice husk gas production technique is characterized in that comprising the following steps:
(1) with rice husk by elevator delivery in the material stock bag, by turner rice husk is transported to fuel bed in the producer gas generator burner hearth;
(2) in the oxidation zone igniting of the wind vent of producer gas generator, drawing rice husk, shutting fire door by air blast, the rice husk oxidation zone in producer gas generator, reduction zone and distillation zone respectively gasifies, in the gasification, in oxidation zone, rice husk fires under the condition of control oxygen chars, and produces CO earlier
2, reduce rice husk and moisture thereof and CO then by hot-fluid in the reduction zone
2Burning at high temperature produces carbon monoxide (CO) and H
2, under the anoxybiotic situation, rice hull cellulose is converted into methane (CH
4), make non-combustion gas body (nitrogen and CO simultaneously
2) volume is as far as possible little; In the distillation zone, inflammable gas CO, H
2And CH
4Converge into the coal gas air-flow;
(3) starting rotary grate, restart the press pump of bleeding, coal gas purifies to refining plant by the rotary grate orifice flow, pulls out plate simultaneously most carbon are entered the pond, and small portion carbon ash is with entering the pond by centrifugation in the cyclonic separator that coal gas flows to strainer is connected;
(4) tar in the rice husk gas with air-flow enter into the ore deposit, fine strainer filters, cooling is got rid of under the effect of recirculated water, trickle ash content is excluded simultaneously, the tar that small part is sneaked in the coal gas is got rid of through cyclonic separator, coal gas filters through two ore deposits, fine strainer again, has just obtained the rice husk gas that is suitable for;
(5) by the press pump of bleeding coal gas is stored into gas tank.
2, the described method of a kind of use claim 1 and custom-designed production unit, it comprises:
(1) lift and conveyer and a turner are used to import rice husk;
(2) producer gas generators are provided with oxidation zone, reduction zone, distillation zone in its burner hearth, be used for the rice husk combustion gasification;
(3) wind vents are located at the oxidation zone of burner hearth, and by the side, furnace wall be interlinked to the outside, be used for the air blast igniting;
(4) rotary grates are located at lower furnace portion, and can be with its central shaft rotation;
(5) one are pulled out plate, with the same central shaft of rotary grate, are in the rotary grate below;
(6) gas exits are located at bottom, furnace shell side, and are communicated with the rotary grate and the space of pulling out between the plate;
The outlet of (7) charcoal ashes is located at furnace bottom, is communicated with the pond;
(8) top covers are located at the producer gas generator top, are used to control oxygen amount in the stove;
(9) one with the coaxial electric motor that is connected of wheel box, be connected with above-mentioned central shaft by twisted spur gear;
(10) cleaner devices are made up of three strainers and two cyclonic separators, and the bottom of strainer is communicated with the pond, and inside is provided with fixedly comb grid, is stacked with fine material and pit wood above it; The top is provided with the recirculated water halter that is communicated with the pond;
A cyclonic separator side is provided with gas inlet, and the bottom is communicated with the pond, and its side is connected to a gas line and is communicated with the strainer bottom;
Another cyclonic separator bottom communicates with a liquor box, and the side is provided with the pipeline that links to each other with strainer top, and is provided with and other two gas exits that the strainer (not shown) of ganging up is connected;
(11) press pumps of bleeding are used to collect the coal gas pressurization;
(12) gas holders are used to collect coal gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98119073A CN1078235C (en) | 1998-10-22 | 1998-10-22 | Rice husk gas producing technology and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98119073A CN1078235C (en) | 1998-10-22 | 1998-10-22 | Rice husk gas producing technology and equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1252427A CN1252427A (en) | 2000-05-10 |
| CN1078235C true CN1078235C (en) | 2002-01-23 |
Family
ID=5226260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98119073A Expired - Fee Related CN1078235C (en) | 1998-10-22 | 1998-10-22 | Rice husk gas producing technology and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1078235C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1772202A1 (en) * | 2005-10-04 | 2007-04-11 | Paul Scherrer Institut | Method for obtaining methane and/or methane hydrate from biomass |
| CN105400530A (en) * | 2015-12-21 | 2016-03-16 | 黑龙江辰雨农业技术开发有限公司 | Dual-purpose stove for gas carbonization and carbonization technology |
| CN108753365B (en) * | 2018-05-28 | 2020-11-27 | 河南农业大学 | A device and process for preparing synthesis gas by reflux catalytic reforming |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2242889Y (en) * | 1996-05-08 | 1996-12-18 | 王兴道 | Straw gas-generating furnace |
-
1998
- 1998-10-22 CN CN98119073A patent/CN1078235C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2242889Y (en) * | 1996-05-08 | 1996-12-18 | 王兴道 | Straw gas-generating furnace |
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| Publication number | Publication date |
|---|---|
| CN1252427A (en) | 2000-05-10 |
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