CN102041124A - Method for manufacturing biomass fuel - Google Patents
Method for manufacturing biomass fuel Download PDFInfo
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- CN102041124A CN102041124A CN2010106058455A CN201010605845A CN102041124A CN 102041124 A CN102041124 A CN 102041124A CN 2010106058455 A CN2010106058455 A CN 2010106058455A CN 201010605845 A CN201010605845 A CN 201010605845A CN 102041124 A CN102041124 A CN 102041124A
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- biomass fuel
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- wood chip
- wood
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- 239000000446 fuel Substances 0.000 title claims abstract description 36
- 239000002028 Biomass Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 239000002023 wood Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002245 particle Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 7
- 229920005610 lignin Polymers 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 239000007858 starting material Substances 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000004927 fusion Effects 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 11
- 239000003245 coal Substances 0.000 abstract description 6
- 239000000654 additive Substances 0.000 abstract description 3
- 230000000996 additive effect Effects 0.000 abstract description 3
- 239000004449 solid propellant Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 2
- 244000082204 Phyllostachys viridis Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 230000036031 hyperthermia Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- MJYQFWSXKFLTAY-OVEQLNGDSA-N (2r,3r)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol;(2r,3r,4s,5s,6r)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O.C1=C(O)C(OC)=CC(C[C@@H](CO)[C@H](CO)CC=2C=C(OC)C(O)=CC=2)=C1 MJYQFWSXKFLTAY-OVEQLNGDSA-N 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017060 Arachis glabrata Nutrition 0.000 description 1
- 244000105624 Arachis hypogaea Species 0.000 description 1
- 235000010777 Arachis hypogaea Nutrition 0.000 description 1
- 235000018262 Arachis monticola Nutrition 0.000 description 1
- 241000345998 Calamus manan Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 244000040738 Sesamum orientale Species 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 244000098338 Triticum aestivum Species 0.000 description 1
- 229920001617 Vinyon Polymers 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- NKWPZUCBCARRDP-UHFFFAOYSA-L calcium bicarbonate Chemical compound [Ca+2].OC([O-])=O.OC([O-])=O NKWPZUCBCARRDP-UHFFFAOYSA-L 0.000 description 1
- 229910000020 calcium bicarbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000004426 flaxseed Nutrition 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 235000020232 peanut Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 235000020238 sunflower seed Nutrition 0.000 description 1
- -1 through heating Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002916 wood waste Substances 0.000 description 1
Images
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
-
- 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
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention relates to a method for manufacturing solid fuel, particularly to a method for manufacturing biomass fuel replacing coal for civilian use and coal for industrial use. The method comprises the following process steps: a. crushing and cleaning the waste wood, removing the impurities to obtain a raw material of which the particle size is between Phi 0.02mm to Phi 20mm; b. drying the wood chips to have the water content of 5-15%; c. carrying out superheated steam treatment on the wood chips at the temperature of 300-600 DEG C to soften the surface of the wood chip, melt lignin and improve the raw-material activity and the binding capacity; d. resizing the material by extrusion molding equipment to be finished products of the biomass fuel; e. cooling; f. screening, and removing the loosened crushed aggregates; and g. drying by an air flow dryer, packaging and storing, wherein, the water content is 5-10%. In the biomass fuel produced by the manufacturing method, the natural binding components contained in the raw material are utilized to tightly bond with the raw material, and extra chemical additive is not added as a bonding medium; and the biomass fuel is environmentally-friendly biomass fuel.
Description
Technical field
The present invention relates to a kind of solid fuel manufacture method, be specifically related to a kind of biomass fuel manufacture method that substitutes civilian and industrial coal.
Background technology
At present, more about substituting fuel making technology civilian and industrial coal, the reported in literature of relevant this technology is also more.The disclosed a kind of environment-friendly granular fuel of Chinese patent literature CN1353171A for example, its starting material comprise particle, water, Calcium hydrogen carbonate, ignition dope, tackiness agent of various straws etc.Disclosed a kind of solid fuel and the manufacture method thereof of utilizing flyash and plastics to make of Chinese patent literature CN1312351A and for example, it is with flyash, vinyon and biofuel, through heating, mix stir, the fixed fuel of extrusion molding.Above-mentioned fuel can substitute coal to a certain extent, but has all added chemical additive as bonding medium in starting material, is not pure biomass fuel, and during burning, bonding medium can produce obnoxious flavour.
Summary of the invention
The object of the present invention is to provide a kind of environment-friendly biomass fuel production method that adopts waste wood fully that substitutes civilian and industrial coal.
The object of the present invention is achieved like this:
1, a kind of biomass fuel manufacture method is characterized in that, comprises that processing step is as follows:
A, with the broken cleaning of waste wood, remove impurity, obtain the starting material of particle size between φ 0.02mm-φ 20mm;
B, wood chip is carried out drying, make its water ratio between 5%-15%;
C, wood chip is carried out superheated vapour handle, the superheated vapour treatment temp makes the wood chip surface softening between 300-600 ℃, and the lignin fusion improves starting material activity and bonding capacity;
D, be fixed to the biomass fuel finished product again by extrusion formation equipment;
E, cooling;
Loose particle is removed in f, screening;
G, packing storage after air-flow machine drying, water ratio is between 5%-10%.
Among the described step a, raw-material particle size is between φ 0.02mm-φ 6mm.
Among the described step a, raw-material particle size is between φ 6mm-φ 20mm.
Among the described step b, wood chip is carried out drying, make its water ratio between 8%-10%.
Among the described step c, the superheated vapour treatment temp is between 400-500 ℃.
In the described steps d, the water ratio of wood chip is between 12%-17%.
In the described step g, the biomass fuel finished product through the dried water ratio of air-flow machine between 6%-8%.
Positively effect of the present invention: by starting material are carried out the hyperthermia and superheating steam treatment; make the starting material of handling through superheated vapour softening; the lignin fusion; improve starting material activity and bonding capacity; therefore thereby the natural consolidation composition that utilizes starting material itself to contain is closely linked starting material, does not add extra chemical additive as bonding medium; the biomass fuel that adopts this method to produce, very environmental protection.By hyperthermia and superheating steam treatment starting material, can reduce the power consumption of single-lead-screw extruding briquetting machine significantly, economize on electricity is more than 20%; Also can improve product density, intensity simultaneously; To the wearing and tearing of nodulizer (single-lead-screw extruding briquetting machine), reduce maintenance cost when reducing extrusion molding.
Description of drawings
Fig. 1 is a biomass fuel production method schema.
Embodiment
Below in conjunction with accompanying drawing biomass fuel manufacture method embodiment of the present invention is described in further detail.
As shown in Figure 1, biomass fuel manufacture method of the present invention comprises that processing step is as follows:
A, with the broken cleaning of waste wood, remove impurity, obtain the starting material of particle size between φ 0.02mm-φ 20mm; Contain foreign material such as certain metal, plastics in the waste wood material of buying, the broken cleaning of process can be removed foreign material wherein, and acquisition is fit to the starting material of size, production density is during greater than the high-density biology matter fuel of 1g/cm3, raw-material particle size is controlled between the φ 0.02mm-φ 6mm, production density is during less than the high-density biology matter fuel of 1g/cm3, and raw-material particle size is between φ 6mm-φ 20mm;
B, wood chip is carried out drying, make its water ratio between 5%-15%, preferable scope is between 8%-10%.The general water ratio of starting material of buying is not too even and humidity is higher, needs unified be dried to suitable water ratio, the too high or too low extrusion molding that all is unfavorable for the later stage of starting material water ratio;
C, wood chip is carried out superheated vapour handle, the superheated vapour treatment temp is between 300-600 ℃, make wood chip softening, the lignin fusion, improve starting material activity and bonding capacity, water ratio is between 10%-20%, and in order to improve softening rate and lignin fusing speed, the superheated vapour treatment temp is preferably disposed between 400-500 ℃
D, be fixed to the biomass fuel finished product again by extrusion formation equipment, in extrusion formation equipment, through high-pressure extrusion and mutual rubbing effect, raw material temperature constantly raises, the lignin fusion is softening, form bonding medium, raw-material fiber is finalized the design again, because wood chips raw is handled through superheated vapour, again Ding Xing the common water ratio of biomass fuel finished product is between 12%-17%, the water ratio value of going beyond the scope just need be adjusted the superheated vapour treatment process, parameters such as control superheated vapour humidity, superheated vapour treatment time;
E, cooling, this stage is very big to the intensity of biomass fuel and weather resistance influence, and the product temperature that comes out from extrusion formation equipment is very high and material is softer, in process of cooling gradually, the natural consolidation composition that contains in the starting material plays one's part to the full, and these starting material are closely linked;
F, screening, after biomass fuel solidified, the particle that some is loose needed to obtain qualified product through the vibratory screening apparatus Screening Treatment, and fine powder and loose particle recycle and reuse;
G, packing storage after air-flow machine drying make the final water ratio of product between 5%-10%, are preferably between the 6%-8%, quantitatively pack and in warehouse storage in the terminal operation by packaging scale.
The waste wood of indication of the present invention includes but not limited to:
1: logging residue (referring to branch, treetop, bark, leaf, tree root and rattan, shrub etc.);
2: producing material residuum (referring to the producing material butt);
3: industrial wood waste (fingerboard skin, lath, wooden bamboo butt, saw foam, broken veneer, reel, wood shavings, wooden unit, the inner skin of a bamboo stem, tailing etc.);
4: small firewood material etc.;
5: " agricultural crop straw ", be meant in the agricultural production process residual stem stalk after food crop (referring to paddy, wheat, corn, potato class etc.), oil crops (referring to Semen Brassicae campestris, peanut, soybean, sunflower seeds, til seed, flaxseed etc.), cotton, crudefiber crop, sugared material, tobacco leaf, medicinal material, vegetables and the fruit of having gathered in the crops etc.;
6: " bagasse " is meant with sugarcane to be the solid waste of the fibre-bearing about 50% that produces in the raw-material sugar manufacturing process;
7: derive from the salvage material after construction and decoration, communications and transportation, household and daily life, military sports, property circulation, utility etc. are consumed.
Claims (7)
1. a biomass fuel manufacture method is characterized in that, comprises that processing step is as follows:
A, with the broken cleaning of waste wood, remove impurity, obtain the starting material of particle size between φ 0.02mm-φ 20mm;
B, wood chip is carried out drying, make its water ratio between 5%-15%;
C, wood chip is carried out superheated vapour handle, the superheated vapour treatment temp makes the wood chip surface softening between 300-600 ℃, and the lignin fusion improves starting material activity and bonding capacity;
D, be fixed to the biomass fuel finished product again by extrusion formation equipment;
E, cooling;
Loose particle is removed in f, screening;
G, packing storage after air-flow machine drying, water ratio is between 5%-10%.
2. biomass fuel manufacture method according to claim 1 is characterized in that: among the described step a, raw-material particle size is between φ 0.02mm-φ 6mm.
3. biomass fuel manufacture method according to claim 1 is characterized in that: among the described step a, raw-material particle size is between φ 6mm-φ 20mm.
4. biomass fuel manufacture method according to claim 1 is characterized in that: among the described step b, wood chip is carried out drying, make its water ratio between 8%-10%.
5. biomass fuel manufacture method according to claim 1 is characterized in that: among the described step c, the superheated vapour treatment temp is between 400-500 ℃.
6. biomass fuel manufacture method according to claim 1 is characterized in that: in the described steps d, the water ratio of wood chip is between 12%-17%.
7. biomass fuel manufacture method according to claim 1 is characterized in that: in the described step g, the biomass fuel finished product through the dried water ratio of air-flow machine between 6%-8%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106058455A CN102041124A (en) | 2010-12-23 | 2010-12-23 | Method for manufacturing biomass fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106058455A CN102041124A (en) | 2010-12-23 | 2010-12-23 | Method for manufacturing biomass fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102041124A true CN102041124A (en) | 2011-05-04 |
Family
ID=43907674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106058455A Pending CN102041124A (en) | 2010-12-23 | 2010-12-23 | Method for manufacturing biomass fuel |
Country Status (1)
| Country | Link |
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| CN (1) | CN102041124A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442516A (en) * | 2011-09-22 | 2012-05-09 | 北京奥科瑞丰机电技术有限公司 | Transshipment storage method for smashed biomass fuels |
| CN103232872A (en) * | 2013-03-29 | 2013-08-07 | 郭子富 | A fuel column of straws and a manufacturing method thereof |
| CN103305304A (en) * | 2013-06-29 | 2013-09-18 | 许成荫 | Method for producing fuel for pit furnace |
| CN106281541A (en) * | 2015-06-05 | 2017-01-04 | 许成荫 | A kind of production technology of boiler oil |
| CN106544072A (en) * | 2016-11-04 | 2017-03-29 | 黄山锦富生物能源有限公司 | A kind of biological granular fuel with bamboo as major ingredient |
| CN107384501A (en) * | 2017-09-01 | 2017-11-24 | 唐山市华亿生物质燃料有限公司 | Biomass fuel and its production technology |
| CN107880961A (en) * | 2016-09-30 | 2018-04-06 | 杨丰铭 | The manufacture method of raw matter fuel |
| CN109355123A (en) * | 2018-10-16 | 2019-02-19 | 南京林业大学 | A kind of biomass granule fuel manufacturing method and ring die of granulator |
| JP2019044118A (en) * | 2017-09-06 | 2019-03-22 | 株式会社エム・アイ・エス | Bamboo-based biofuel production apparatus |
| CN110341015A (en) * | 2019-07-24 | 2019-10-18 | 西北农林科技大学 | A kind of hot extruding of cork exempts from glue and coalesces molding method and its dedicated unit |
| CN110903874A (en) * | 2019-12-06 | 2020-03-24 | 龙门县景龙生物能源有限公司 | Moisture-proof and mildew-proof biomass granular fuel and preparation method thereof |
| CN110903876A (en) * | 2019-12-06 | 2020-03-24 | 龙门县景龙生物能源有限公司 | Biomass granular fuel with low sulfur content and preparation method thereof |
| CN110903875A (en) * | 2019-12-06 | 2020-03-24 | 龙门县景龙生物能源有限公司 | Biomass granular fuel produced by utilizing tobacco waste and preparation method thereof |
| CN113046146A (en) * | 2021-03-12 | 2021-06-29 | 安徽爱能洁生物科技有限公司 | Environment-friendly biomass fuel and production process thereof |
| CN113105927A (en) * | 2021-02-26 | 2021-07-13 | 苏州五源生物燃料科技有限公司 | Biomass particle and processing technology thereof |
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| CN101903505A (en) * | 2007-04-27 | 2010-12-01 | 学校法人近畿大学 | Biocoke producing apparatus and process |
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2010
- 2010-12-23 CN CN2010106058455A patent/CN102041124A/en active Pending
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| CN1637122A (en) * | 2004-11-30 | 2005-07-13 | 中南林学院 | Environment-protecting granular wooden fuel and its production process |
| CN101033404A (en) * | 2007-04-20 | 2007-09-12 | 东北林业大学 | Resource utilization method for solid castoff extracted from veratric alcohol |
| CN101903505A (en) * | 2007-04-27 | 2010-12-01 | 学校法人近畿大学 | Biocoke producing apparatus and process |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442516B (en) * | 2011-09-22 | 2013-08-21 | 北京奥科瑞丰新能源股份有限公司 | Transshipment storage method for smashed biomass fuels |
| CN102442516A (en) * | 2011-09-22 | 2012-05-09 | 北京奥科瑞丰机电技术有限公司 | Transshipment storage method for smashed biomass fuels |
| CN103232872A (en) * | 2013-03-29 | 2013-08-07 | 郭子富 | A fuel column of straws and a manufacturing method thereof |
| CN103305304A (en) * | 2013-06-29 | 2013-09-18 | 许成荫 | Method for producing fuel for pit furnace |
| CN106281541A (en) * | 2015-06-05 | 2017-01-04 | 许成荫 | A kind of production technology of boiler oil |
| CN107880961A (en) * | 2016-09-30 | 2018-04-06 | 杨丰铭 | The manufacture method of raw matter fuel |
| CN106544072A (en) * | 2016-11-04 | 2017-03-29 | 黄山锦富生物能源有限公司 | A kind of biological granular fuel with bamboo as major ingredient |
| CN107384501A (en) * | 2017-09-01 | 2017-11-24 | 唐山市华亿生物质燃料有限公司 | Biomass fuel and its production technology |
| JP2019044118A (en) * | 2017-09-06 | 2019-03-22 | 株式会社エム・アイ・エス | Bamboo-based biofuel production apparatus |
| CN109355123A (en) * | 2018-10-16 | 2019-02-19 | 南京林业大学 | A kind of biomass granule fuel manufacturing method and ring die of granulator |
| CN110341015A (en) * | 2019-07-24 | 2019-10-18 | 西北农林科技大学 | A kind of hot extruding of cork exempts from glue and coalesces molding method and its dedicated unit |
| CN110903874A (en) * | 2019-12-06 | 2020-03-24 | 龙门县景龙生物能源有限公司 | Moisture-proof and mildew-proof biomass granular fuel and preparation method thereof |
| CN110903876A (en) * | 2019-12-06 | 2020-03-24 | 龙门县景龙生物能源有限公司 | Biomass granular fuel with low sulfur content and preparation method thereof |
| CN110903875A (en) * | 2019-12-06 | 2020-03-24 | 龙门县景龙生物能源有限公司 | Biomass granular fuel produced by utilizing tobacco waste and preparation method thereof |
| CN113105927A (en) * | 2021-02-26 | 2021-07-13 | 苏州五源生物燃料科技有限公司 | Biomass particle and processing technology thereof |
| CN113046146A (en) * | 2021-03-12 | 2021-06-29 | 安徽爱能洁生物科技有限公司 | Environment-friendly biomass fuel and production process thereof |
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