CN104371787A - Crop straw particle fuel and preparation method thereof - Google Patents
Crop straw particle fuel and preparation method thereof Download PDFInfo
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- CN104371787A CN104371787A CN201310355023.XA CN201310355023A CN104371787A CN 104371787 A CN104371787 A CN 104371787A CN 201310355023 A CN201310355023 A CN 201310355023A CN 104371787 A CN104371787 A CN 104371787A
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- particle
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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Abstract
The present invention relates to a crop straw particle fuel and a preparation method thereof. The crop straw particle fuel is characterized in that crop straw and one or a mixture comprising more than one selected from corn stalk, rice straw, wheat straw, cotton straw, peanut vine, sweet potato vine, soybean straw, various weeds and rice hulls or/and leaves in plant waste are adopted as raw materials, and natural drying, crushing, material mixing, steam softening, granulation, cooling and packaging are performed to prepare the particle fuel. The specific production process steps comprise: 1, naturally drying crop straw and plant waste to achieve a water content of less than 16% (by weight); 2, crushing the dried raw material through a crusher to obtain a powder material with a particle size of less than 8 mm, wherein the pore size [phi] of the sieve mesh is 6-8 mm; and 3, adding water to the powder material, and uniformly mixing through a material mixer, and controlling the water content of 18-22% (by weight).
Description
Technical field
The present invention relates to biomass energy Application Areas, particularly a kind of granular fuel with crop straw utilizing agricultural crop straw to make and preparation method thereof.
Background technology
Biomass energy is the important energy source that the mankind depend on for existence always.Biomass energy is as being the fourth-largest energy beyond coal, oil, Sweet natural gas, and be a kind of not only environmental protection but also the clean energy of renewable recycle, it will become the large energy of future world most important one.Develop biomass energy renewable energy source, the recycling economy of adaptation Sustainable development, promotes national economic development and environment protection is all significant.The birth of biomass energy (particle) gasification fired boiler, makes the output of biomass energy particle fuel, price obtains abundant guarantee, and this industry is rapidly developed.By agricultural crop straw, etc. by pulverize, compression make granular fuel and preparation technology thereof, but the outer doping such as employing, ensures ratio of briquetting and the intensity of granular fuel, adds production cost, and indirectly reduce the calorific value of granular fuel, add the quantity discharged of refuse.
Summary of the invention
The present invention is by providing a kind of granular fuel with crop straw not needing any outer doping of interpolation to make and preparation method thereof, and the calorific value reduce production cost to reach, improving granular fuel, reduces the object of the discharge of refuse;
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of granular fuel with crop straw; to after water ratio is below 16% by agricultural crop straw and plant refuse seasoning; the powder of below particle diameter 8mm is ground into pulverizer; then a kind of material or several powder are mixed with water; after steam is softening; compressed moulding in flat die machine, cooling, packaging make granular fuel, and product has following feature:
Particle diameter: 6 ~ 9mm
Length: 20 ~ 30mm
Water ratio :≤14%;
The preparation method of this granular fuel with crop straw is: using agricultural crop straw and plant refuse as raw material, granulation softening through seasoning, pulverizing, batch mixing, steam, cooling, packaging and make granular fuel; Concrete production craft step is as follows:
1. by agricultural crop straw and plant refuse seasoning, to water ratio below 16%;
2. dried raw material pulverizer is crushed to the powder of below 8mm, mesh size Φ 6 ~ 8mm;
3. after being added water by powder, mix with mixer, controlling water ratio is 18% ~ 22%;
4. softened through steam by the material mixed, be sent to extruder grain in tablets press, be pressed into that diameter is 6 ~ 9mm, length is the particle of 20 ~ 30mm, water ratio is 17% ~ 18%;
5. stalk particle is transported to cooling in water cooler, screening, make particle temperature≤40 DEG C, grain forming rate is 96%, and particle water ratio is≤14%;
6. the finished product of 25kg/ bag ± 0.2kg is packaged into the multiple film woven bag of handtailor polypropylene;
Wherein, described agricultural crop straw and plant refuse be maize straw, rice straw, wheat stalk, cotton stalk, peanut seedling, melon seedling, soybean stalk, various weeds, rice husk or/and the mixture of one or more than one in leaf, when a kind of powder or several powder mix with water, when to control the water ratio of mixture be 18% ~ 22% (weight), the shaped granule fuel obtained for best, moisture content lower than 18% time, easily block template, yield poorly, moisture content higher than 22% time, granulation density pine, ratio of briquetting is low, affects next procedure, described pulverizer is that hand hay cutter rubs formula multifunctional crusher, its axle revolution 2200 ~ 2800 revs/min, screen cloth Φ 6 ~ 8mm, described tablets press is stalk particle Special horizontal film tablets press, its rate of feeding can automatically adjust control, it is 100 revs/min that template rotates revolution, the template frictionally that wheel turns drives the four rolling of ten sub-axles, clamp-on in the hole that is evenly distributed in template to what roll being forced property of material with it, again through the extruding of high temperature brute force, by high temperature gelatinization, protein coagulating sex change, strengthen density gradually, form cylindrical bar by after outflow in the hole under template, cut off through control grain plate again, form right cylinder small-particle, particle will be made by expecting outside mouth outflow machine through batch mixing pan, template and roller gap are advisable with 0.03 ~ 0.2mm.Tablets press design adopts flat film mode, pressure uniform, and discharging is stablized, flat membrane pore size Φ 8 ~ 9mm, compression ratio 5 ~ 6.5 times. force pressing materials temperature to control at 80 ~ 95 DEG C, the unsuitable coking of material, reach the object not adding any additive, to reduce production cost, productivity gain; Described water cooler is counter-current cooler, and blast is: 220mmkg; Air quantity is: >=22m 3./min.Before molding, granulating, add certain steam, material can be made fully softening, output increased 20% ~ 30%;
Stalk granular fuel of the present invention, materials are extensive, are convenient to promote in rural area, and gather materials on the spot conveniently, technique is simple, and do not need to add any outer doping, apparatus for production line is few, and be convenient to maintenance, every village, every township only needs a small amount of steam just can produce stalk granular fuel.The granular fuel density made is large, ratio of briquetting is high, and calorific value is high; Complete processing is simple, cost is low, meets environmental protection, the energy utilization of energy-conservation, renewable recycle again and development trend;
Below in conjunction with embodiment, the present invention will be further described.
Embodiment
Embodiment 1:
1. by agricultural crop straw and plant refuse seasoning, to water ratio below 16%;
2. dried raw material pulverizer is crushed to the powder of below 8mm, mesh size Φ 6 ~ 8mm
3. after being added water by powder, mix with mixer, controlling water ratio is 18% ~ 22%;
4. softened through steam by the material mixed, be sent to extruder grain in tablets press, be pressed into that diameter is 6 ~ 9mm, length is the particle of 20 ~ 30mm, water ratio is 17% ~ 18%;
5. stalk particle is transported to cooling in water cooler, screening, make particle temperature≤40 DEG C, grain forming rate is 96%, and particle water ratio is 14%;
6. the finished product of 25kg/ bag ± 0.2kg is packaged into the multiple film woven bag of handtailor polypropylene;
Embodiment 2:
1. do raw material with maize straw and rice straw, seasoning, to water ratio below 16%;
2. dried raw material pulverizer is crushed to the powder of below 8mm, mesh size Φ 6 ~ 8mm;
3. after being added water by powder, mix with mixer, controlling water ratio is 18% ~ 22%;
4. softened through steam by the material mixed, be sent to extruder grain in tablets press, be pressed into that diameter is 6 ~ 9mm, length is the particle of 20 ~ 30mm, water ratio is 17% ~ 18%;
5. stalk particle is transported to cooling in water cooler, screening, make particle temperature≤40 DEG C, grain forming rate is 96%, and particle water ratio is 12%;
6. the finished product of 25kg/ bag ± 0.2kg is packaged into the multiple film woven bag of handtailor polypropylene;
Embodiment 3:
1. be raw material with rice husk, seasoning, to water ratio below 16%;
2. dried raw material pulverizer is crushed to the powder of below 8mm, mesh size Φ 6 ~ 8mm;
3. after being added water by powder, mix with mixer, controlling water ratio is 18% ~ 22%;
4. softened through steam by the material mixed, be sent to extruder grain in tablets press, be pressed into that diameter is 6 ~ 9mm, length is the particle of 20 ~ 30mm, water ratio is 17% ~ 18%;
5. stalk particle is transported to cooling in water cooler, screening, make particle temperature≤40 DEG C, grain forming rate is 96%, and particle water ratio is 10%;
6. the finished product of 25kg/ bag ± 0.2kg is packaged into the multiple film woven bag of handtailor polypropylene.
Claims (5)
1. a granular fuel with crop straw, it is characterized in that the maize straw in agricultural crop straw and plant refuse, rice straw, wheat stalk, cotton stalk, peanut seedling, ground melon seedling, soybean stalk, various weeds, rice husk or/and in leaf the mixture of one or more than one be raw material, seasoning is to after water ratio is below 16%, the powder of below particle diameter 8mm is ground into pulverizer, then a kind of material or several powder are mixed with water, controlling water ratio is 18% ~ 22%, after steam is softening, compressed moulding in flat die machine, cooling, packaging makes granular fuel, product has following feature: particle diameter: 6 ~ 9mm length: 20 ~ 30mm water ratio :≤14%.
2. the preparation method of a granular fuel with crop straw as claimed in claim 1, it is characterized in that using the maize straw in agricultural crop straw and plant refuse, rice straw, wheat stalk, cotton stalk, peanut seedling, melon seedling, soybean stalk, various weeds, rice husk or/and in leaf the mixture of one or more than one as raw material, granulation softening through seasoning, pulverizing, batch mixing, steam, cooling, packaging and make granular fuel; Concrete production craft step is as follows: (1). by agricultural crop straw and plant refuse seasoning, to water ratio in 16% (weight) below; (2). dried raw material pulverizer is crushed to the powder of below 8mm, mesh size Φ 6 ~ 8mm; (3). after being added water by powder, mix with mixer, controlling water ratio is 18% ~ 22% (weight); (4). softened through steam by the material mixed, be sent to extruder grain in tablets press, be pressed into that diameter is 6 ~ 9mm, length is the particle of 20 ~ 30mm, water ratio is 17% ~ 18%; (5). be transported in water cooler by stalk particle and cool, screening, make particle temperature≤40 DEG C, grain forming rate is 96%, and particle water ratio is≤14%; (6). the finished product of 25kg/ bag ± 0.2kg is packaged into the multiple film woven bag of handtailor polypropylene.
3. the preparation method of granular fuel with crop straw according to claim 2, is characterized in that described pulverizer is that hand hay cutter rubs formula multifunctional crusher, its axle revolution 2200 ~ 2800 revs/min, screen cloth Φ 6 ~ 8mm.
4. the preparation method of granular fuel with crop straw according to claim 3, it is characterized in that described tablets press is stalk particle Special horizontal film tablets press, pressure uniform, discharging is stablized, flat membrane pore size Φ 8 ~ 9mm, compression ratio 5 ~ 6.5 times. force pressing materials temperature to control at 80 ~ 95 DEG C, its rate of feeding can automatically adjust control, it is 100 revs/min that template rotates revolution, the template frictionally that wheel turns drives the four rolling of ten sub-axles, clamp-on in the hole that is evenly distributed in template to what roll being forced property of material with it, again through the extruding of high temperature brute force, by high temperature gelatinization, protein coagulating sex change, strengthen density gradually, form cylindrical bar by after outflow in the hole under template, cut off through control grain plate again, form right cylinder small-particle, particle will be made by expecting outside mouth outflow machine through batch mixing pan, template and roller gap are advisable with 0.03 ~ 0.2mm.
5. the preparation method of granular fuel with crop straw according to claim 4, it is characterized in that described water cooler is counter-current cooler, blast is: 220mmkg air quantity is: >=22m 3./min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355023.XA CN104371787A (en) | 2013-08-15 | 2013-08-15 | Crop straw particle fuel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310355023.XA CN104371787A (en) | 2013-08-15 | 2013-08-15 | Crop straw particle fuel and preparation method thereof |
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| CN104371787A true CN104371787A (en) | 2015-02-25 |
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| CN201310355023.XA Pending CN104371787A (en) | 2013-08-15 | 2013-08-15 | Crop straw particle fuel and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893779A (en) * | 2015-05-11 | 2015-09-09 | 广德县新杭镇聚源新型材料压膜厂 | Preparation method for biomass granular fuel |
| CN105567373A (en) * | 2015-12-28 | 2016-05-11 | 黄山锦富生物能源有限公司 | Biomass fuel based on corn straw, and preparation method and preparation production line thereof |
| CN105885990A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Low-loss fuel rods and preparation method thereof |
| CN105885984A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Fuel rod with high slagging resistance and preparation method thereof |
| CN105885989A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Efficient environmental-friendly fuel rod and preparation method thereof |
| CN105925335A (en) * | 2016-05-12 | 2016-09-07 | 安徽省珍云生物能源有限公司 | High-burning-rate fuel rod and preparation method thereof |
| CN106623374A (en) * | 2017-02-24 | 2017-05-10 | 湖南淳湘农林科技有限公司 | Cyclic comprehensive utilization system and technique for producing diversified tea seed meal products with straw tea seed meal as raw material |
| CN106753668A (en) * | 2016-11-26 | 2017-05-31 | 黑龙江省水田机械化研究所 | A kind of raw material for making straw biomass granular fuel |
| CN108251176A (en) * | 2017-12-28 | 2018-07-06 | 中国农业大学 | A kind of shaped granule fuel and preparation method thereof |
| AT18224U1 (en) * | 2023-02-17 | 2024-06-15 | EFFECTUS Energy GmbH | Process for producing piece goods from corn husks and piece goods produced thereby |
-
2013
- 2013-08-15 CN CN201310355023.XA patent/CN104371787A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893779A (en) * | 2015-05-11 | 2015-09-09 | 广德县新杭镇聚源新型材料压膜厂 | Preparation method for biomass granular fuel |
| CN105567373A (en) * | 2015-12-28 | 2016-05-11 | 黄山锦富生物能源有限公司 | Biomass fuel based on corn straw, and preparation method and preparation production line thereof |
| CN105885990A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Low-loss fuel rods and preparation method thereof |
| CN105885984A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Fuel rod with high slagging resistance and preparation method thereof |
| CN105885989A (en) * | 2016-05-12 | 2016-08-24 | 安徽省珍云生物能源有限公司 | Efficient environmental-friendly fuel rod and preparation method thereof |
| CN105925335A (en) * | 2016-05-12 | 2016-09-07 | 安徽省珍云生物能源有限公司 | High-burning-rate fuel rod and preparation method thereof |
| CN106753668A (en) * | 2016-11-26 | 2017-05-31 | 黑龙江省水田机械化研究所 | A kind of raw material for making straw biomass granular fuel |
| CN106623374A (en) * | 2017-02-24 | 2017-05-10 | 湖南淳湘农林科技有限公司 | Cyclic comprehensive utilization system and technique for producing diversified tea seed meal products with straw tea seed meal as raw material |
| CN108251176A (en) * | 2017-12-28 | 2018-07-06 | 中国农业大学 | A kind of shaped granule fuel and preparation method thereof |
| AT18224U1 (en) * | 2023-02-17 | 2024-06-15 | EFFECTUS Energy GmbH | Process for producing piece goods from corn husks and piece goods produced thereby |
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Application publication date: 20150225 |
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| WD01 | Invention patent application deemed withdrawn after publication |