CN106190419A - The preparation method of biomass solid fuel - Google Patents
The preparation method of biomass solid fuel Download PDFInfo
- Publication number
- CN106190419A CN106190419A CN201610631641.6A CN201610631641A CN106190419A CN 106190419 A CN106190419 A CN 106190419A CN 201610631641 A CN201610631641 A CN 201610631641A CN 106190419 A CN106190419 A CN 106190419A
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- China
- Prior art keywords
- biomass solid
- solid fuel
- fuel
- preparation
- grain stillage
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
- C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
- C10L5/04—Raw material of mineral origin to be used; Pretreatment thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L5/00—Solid fuels
- C10L5/40—Solid fuels essentially based on materials of non-mineral origin
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
- C10L2200/0453—Petroleum or natural waxes, e.g. paraffin waxes, asphaltenes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2300/00—Mixture of two or more additives covered by the same group of C10L1/00 - C10L1/308
- C10L2300/20—Mixture of two components
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2300/00—Mixture of two or more additives covered by the same group of C10L1/00 - C10L1/308
- C10L2300/40—Mixture of four or more components
-
- 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
Abstract
The invention discloses the preparation method of a kind of biomass solid fuel, be cassava grain stillage to add pulverizer be crushed to 40 60 mesh, obtain cassava grain stillage powder；Cassava grain stillage powder, magnesium oxide, carbide slag, attapulgite, pucherite are added agitator, adds suitable quantity of water and stir into pastel；Taking above-mentioned pastel and put into muffle furnace, at temperature is 500 600 DEG C, roasting 3 5h, obtains carbide；After being mixed homogeneously with polyurethane adhesive and polyurethane asphalt by carbide, the mixed material obtained is delivered to forming machine, is 120 140 DEG C in temperature, and pressure is extruded under 60 80Mpa, obtains shaped fuel；Shaped fuel is dried, is cooled to room temperature, packaging, obtain biomass solid fuel.The inventive method has that preparation technology is simple, it is low to consume energy, production efficiency is high, ratio of briquetting is high, low cost and other advantages, the biomass solid fuel density prepared is little, calorific value is high, ash is few, the internal voids of product is little, the loosest, humidity resistance is good, can preserve for a long time, is suitable for industrialized production.
Description
Technical field
The present invention relates to biomass fuel processing technique field, the preparation method of a kind of biomass solid fuel.
Background technology
For a long time, the Fossil fuel such as oil, natural gas, coal is always the main energy sources that the mankind consume, and is the mankind
Economical prosperity, the progress of society and growth in the living standard are made that the biggest contribution.But due to coal, oil and natural gas etc.
Mineral resources are non-renewable, and resource is limited, are faced with the danger petered out.In recent years, the energy, environmental problem
Outstanding day by day, energy prices continuous rise, whole world research and development bioenergy becomes focus.China is a large agricultural country, biological
Mass-energy resource is the abundantest.But the utilization rate of crops leftovers only reaches 20-30%, agricultural waste material there are about half abandon in
Wilderness fails to utilize even burns, and not only can not be comprehensively utilized, and causes the serious waste of resource, and pollutes environment.Biological
The compact formed technology of matter can fully comprehensively utilize plant resources and prepare biomass molding fuel, can effectively alleviate the current energy
Crises problem.
Biomass molding fuel is to utilize compact formed technology that biomass processing becomes easily storage and the convenient life used
Material grains or bar-shaped, patch fuel, have that volume is little, capacity is big, calorific value is high, combusting firepower is prosperous, raw material the most easily takes, can be again
The characteristic such as raw, in combustion process, deslagging is few, flue dust and the advantage such as content of sulfur dioxide is low, environmental pollution is little, is coal and fuel wood
Outstanding alternative fuel.China's introduction of foreign technology eighties in 20th century begins one's study and develops biomass moulding technology, the most
Begin to take shape. through continuous research and development, having been achieved for bigger development, the enterprise of former is researched and produced in the whole nation
Or existing tens of R&D institution.But China's biomass molding fuel there are still bigger problem now, processing technique is complicated, difficult
Degree is big, energy consumption is big, cost is high；Shaped fuel excess-heat value, moisture content and ash are difficult to control to；Shaped fuel holds in combustion
Easily slagging scorification, easy dust stratification, so that fuel combustion is insufficient, not only pollutes environment and has also corroded production equipment；Due to processing system
Grain raw material be high microsteping material, raw material is loose, size and material variation, when grain forming, difficulty is pressed into compact grain
Shape；The rough of molding, various shapes also have impact on sales volume, and what these problems were serious constrains biomass moulding combustion
The large-scale production of material.
Summary of the invention
The problem existed for current biomass preparation of fuel of the present invention, it is provided that the preparation of a kind of biomass solid fuel
Method.Biomass solid fuel prepared by this method has that density is little, calorific value is high, ash is few, and the internal voids of product is little, the most loose
Dissipating, humidity resistance is good, can the advantage such as preservation for a long time.
In order to realize object above, the technical solution used in the present invention is as follows:
The preparation method of a kind of biomass solid fuel, is the wood with weight ratio as 100:6-10:4-6:5-8:3-5:4-6:3-5
Potato distiller grains, magnesium oxide, carbide slag, attapulgite, pucherite, polyurethane adhesive and polyurethane asphalt are raw material, by pulverizing, becoming
Type, be dried etc. operation prepare, described method concrete operation step is as follows:
(1) cassava grain stillage is added pulverizer and be crushed to 40-60 mesh, obtain cassava grain stillage powder；
(2) cassava grain stillage powder, magnesium oxide, carbide slag, attapulgite, pucherite are added agitator, add suitable quantity of water and stir
Mix pastel；
(3) taking above-mentioned pastel and put into muffle furnace, at temperature is 500-600 DEG C, roasting 3-5h, obtains carbide；
(4), after being mixed homogeneously with polyurethane adhesive and polyurethane asphalt by carbide, the mixed material obtained is delivered to forming machine,
Temperature is 120-140 DEG C, and pressure is extruded under 60-80Mpa, obtains shaped fuel；
(5) shaped fuel is dried, be cooled to room temperature, packaging, obtain biomass solid fuel.
Preferably, the water content of the above cassava grain stillage is 12%.
Preferably, above step (2) described stirring is stirring 20-30min under rotating speed is 300-500r/min.
Preferably, the heating rate of above step (3) described roasting is 5-10 DEG C/min.
Preferably, the mass concentration of the above polyurethane adhesive is 30%.
Preferably, above step (5) described drying is to be dried to water content at temperature is 80-100 DEG C by shaped fuel
For 5-8%.
Compared with prior art, advantages of the present invention and good effect are:
1, the present invention is using agricultural waste material cassava grain stillage as primary raw material, and raw material sources are extensive, cheap, the most comprehensively
Make use of garbage, reduce environmental pollution, it is achieved the sustainable development of resource, moreover it is possible to effectively alleviate current energy crisis and ask
Topic, after biomass solid fuel burning simultaneously, charcoal ash can be used as again fertilizer, expands the using value of cassava grain stillage.
2, the present invention is by carbide slag, attapulgite and the common effect of pucherite, it is possible to decrease the burning-point of shaped fuel, carries
The fusing point of high fuel ash, solve current biomass solid fuel in combustion easily slagging scorification, easy dust stratification, burn insufficient
Problem.
3, the present invention adds polyurethane adhesive and polyurethane asphalt in shaped fuel, due to polyurethane adhesive and polyurethane asphalt
There is stronger caking property, adsorptivity and water proofing property, so that the product arrived is fine and close, the loosest, be difficult to deliquescence, can protect for a long time
Deposit, simultaneously can the harmful gas that produces in combustion of adsorbed fuel.
4, the present invention adds magnesium oxide in biomass solid fuel, can play combustion-supporting effect in fuel combustion process,
The reactivity making shaped fuel is improved, it is possible to reach the effect fully burnt completely；Magnesium oxide rises in combustion
To the effect of solid sulfur, make sulfur dioxide reaction generate magnesium sulfate, thus reduce the discharge of form waste gas of sulfur dioxide；The most also have viscous
Knot, the waterproof and effect of enhancing.
5, the calorific value of biomass solid fuel prepared by the present invention is 15-18MJ/kg, and content of ashes is 4.0-6.0%, inhales
Water rate is 10-12%, and properties is better than current commercial product.
6, the inventive method has that preparation technology is simple, it is low to consume energy, production efficiency is high, ratio of briquetting is high, low cost and other advantages,
The biomass solid fuel density prepared is little, calorific value is high, ash is few, the internal voids of product is little, the loosest, humidity resistance is good,
Can preserve for a long time, it is adaptable to industrialized production.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described, but is not limited to protection scope of the present invention.
Embodiment 1
A kind of preparation method of biomass solid fuel, concrete operation step is as follows:
(1) cassava grain stillage that 100kg water content is 12% is added pulverizer and be crushed to 40 mesh, obtain cassava grain stillage powder；
(2) cassava grain stillage powder, magnesium oxide 6kg, carbide slag 5kg, attapulgite 6kg, pucherite 3kg are added agitator, then
Add 120kg water, under rotating speed is 300r/min, stirs 30min, obtains pastel；
(3) taking above-mentioned pastel and put into muffle furnace, at temperature is 500 DEG C, roasting 5h, obtains carbide；
(4), after being mixed homogeneously with polyurethane adhesive 5kg and polyurethane asphalt 3kg by carbide, the mixed material obtained is delivered to into
Type machine, is 120 DEG C in temperature, and pressure is extruded under 80Mpa, obtains shaped fuel；
(5) being dried at temperature is 100 DEG C by shaped fuel to water content is 5%, is cooled to room temperature, packaging, obtains biomass solid
Fluid fuel.
Embodiment 2
A kind of preparation method of biomass solid fuel, concrete operation step is as follows:
(1) cassava grain stillage that 100kg water content is 12% is added pulverizer and be crushed to 40 mesh, obtain cassava grain stillage powder；
(2) cassava grain stillage powder, magnesium oxide 8kg, carbide slag 4kg, attapulgite 7kg, pucherite 4kg are added agitator, then
Add 150kg water, under rotating speed is 500r/min, stirs 20min, obtains pastel；
(3) taking above-mentioned pastel and put into muffle furnace, at temperature is 600 DEG C, roasting 4h, obtains carbide；
(4), after being mixed homogeneously with polyurethane adhesive 4kg and polyurethane asphalt 4kg by carbide, the mixed material obtained is delivered to into
Type machine, is 130 DEG C in temperature, and pressure is extruded under 60Mpa, obtains shaped fuel；
(5) being dried at temperature is 80 DEG C by shaped fuel to water content is 8%, is cooled to room temperature, packaging, obtains biomass solid
Fluid fuel.
Embodiment 3
A kind of preparation method of biomass solid fuel, concrete operation step is as follows:
(1) cassava grain stillage that 100kg water content is 12% is added pulverizer and be crushed to 60 mesh, obtain cassava grain stillage powder；
(2) cassava grain stillage powder, magnesium oxide 10kg, carbide slag 6kg, attapulgite 5kg, pucherite 4kg are added agitator, then
Add 120kg water, under rotating speed is 300r/min, stirs 30min, obtains pastel；
(3) taking above-mentioned pastel and put into muffle furnace, at temperature is 600 DEG C, roasting 3h, obtains carbide；
(4), after being mixed homogeneously with polyurethane adhesive 6kg and polyurethane asphalt 5kg by carbide, the mixed material obtained is delivered to into
Type machine, is 140 DEG C in temperature, and pressure is extruded under 80Mpa, obtains shaped fuel；
(5) being dried at temperature is 80 DEG C by shaped fuel to water content is 8%, is cooled to room temperature, packaging, obtains biomass solid
Fluid fuel.
Embodiment 4
A kind of preparation method of biomass solid fuel, concrete operation step is as follows:
(1) cassava grain stillage that 100kg water content is 12% is added pulverizer and be crushed to 60 mesh, obtain cassava grain stillage powder；
(2) cassava grain stillage powder, magnesium oxide 8kg, carbide slag 5kg, attapulgite 8kg, pucherite 5kg are added agitator, then
Add 150kg water, under rotating speed is 500r/min, stirs 30min, obtains pastel；
(3) taking above-mentioned pastel and put into muffle furnace, at temperature is 700 DEG C, roasting 3h, obtains carbide；
(4), after being mixed homogeneously with polyurethane adhesive 5kg and polyurethane asphalt 3kg by carbide, the mixed material obtained is delivered to into
Type machine, is 140 DEG C in temperature, and pressure is extruded under 80Mpa, obtains shaped fuel；
(5) being dried at temperature is 100 DEG C by shaped fuel to water content is 5%, is cooled to room temperature, packaging, obtains biomass solid
Fluid fuel.
Through biomass molding fuel prepared by detection above example 1-4, the calorific value of product, content of ashes and water absorption
Can be as shown in the table:
| Sample | Calorific value (MJ/kg) | Content of ashes (%) | Water absorption rate (%) |
| Embodiment 1 | 15.8 | 5.27 | 11.7 |
| Embodiment 2 | 16.4 | 4.89 | 11.5 |
| Embodiment 3 | 17.8 | 4.31 | 10.8 |
| Embodiment 4 | 17.2 | 5.04 | 10.3 |
Drawing from testing result, the calorific value of present invention biomass molding fuel product is 15-18MJ/kg, and content of ashes is
4.0-6.0%, water absorption rate is 10-12%, and properties is better than current commercial product.
Above content is it cannot be assumed that the present invention is embodied as being confined to these explanations, for the technical field of the invention
Those of ordinary skill for, without departing under present inventive concept premise, it is also possible to make some simple deduction or replace, all answer
When being considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (6)
1. the preparation method of a biomass solid fuel, it is characterised in that: it is with weight ratio as 100:6-10:4-6:5-8:3-
The cassava grain stillage of 5:4-6:3-5, magnesium oxide, carbide slag, attapulgite, pucherite, polyurethane adhesive and polyurethane asphalt are raw material,
By pulverizing, molding, be dried etc. operation prepare, concrete operation step is as follows:
Cassava grain stillage is added pulverizer and is crushed to 40-60 mesh, obtain cassava grain stillage powder；
Cassava grain stillage powder, magnesium oxide, carbide slag, attapulgite, pucherite are added agitator, adds suitable quantity of water and stir into
Pastel；
Taking above-mentioned pastel and put into muffle furnace, at temperature is 500-600 DEG C, roasting 3-5h, obtains carbide；
After being mixed homogeneously with polyurethane adhesive and polyurethane asphalt by carbide, the mixed material obtained is delivered to forming machine, in temperature
Degree is for 120-140 DEG C, and pressure is extruded under 60-80Mpa, obtains shaped fuel；
Shaped fuel is dried, is cooled to room temperature, packaging, obtain biomass solid fuel.
The preparation method of biomass solid fuel the most according to claim 1, it is characterised in that: described cassava grain stillage aqueous
Amount is 12%.
The preparation method of biomass solid fuel the most according to claim 1, it is characterised in that: step (2) described stirring is
20-30min is stirred under rotating speed is 300-500r/min.
The preparation method of biomass solid fuel the most according to claim 1, it is characterised in that: step (3) described roasting
Heating rate is 5-10 DEG C/min.
The preparation method of biomass solid fuel the most according to claim 1, it is characterised in that: the quality of described polyurethane adhesive
Concentration is 30%.
The preparation method of biomass solid fuel the most according to claim 1, it is characterised in that: step (5) described drying is
Shaped fuel is dried at temperature is 80-100 DEG C to water content be 5-8%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610631641.6A CN106190419A (en) | 2016-08-04 | 2016-08-04 | The preparation method of biomass solid fuel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610631641.6A CN106190419A (en) | 2016-08-04 | 2016-08-04 | The preparation method of biomass solid fuel |
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| CN106190419A true CN106190419A (en) | 2016-12-07 |
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ID=57498627
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| CN201610631641.6A Pending CN106190419A (en) | 2016-08-04 | 2016-08-04 | The preparation method of biomass solid fuel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107723046A (en) * | 2017-11-15 | 2018-02-23 | 广西塔锡科技有限公司 | A kind of high-performance biomass solid fuel |
| CN107916152A (en) * | 2017-11-15 | 2018-04-17 | 广西塔锡科技有限公司 | A kind of solid fuel of resistance to biomass-burning |
| CN107937078A (en) * | 2017-11-15 | 2018-04-20 | 广西塔锡科技有限公司 | A kind of biomass solid fuel |
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| CN102021059A (en) * | 2010-12-10 | 2011-04-20 | 华北电力大学 | Forming method for modifying biomass fuel by rapid thermal treatment process |
| CN102816621A (en) * | 2012-09-19 | 2012-12-12 | 中国科学院广州能源研究所 | Method for preparing briquette fuels by waste woods in furniture factory |
| CN104830397A (en) * | 2015-05-21 | 2015-08-12 | 刘冬明 | Compound high-temperature environment-friendly biomass fuel and preparation method thereof |
| CN105238480A (en) * | 2015-10-17 | 2016-01-13 | 东至县兴农菌业有限责任公司 | High efficiency biomass fuel and preparation method thereof |
-
2016
- 2016-08-04 CN CN201610631641.6A patent/CN106190419A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102021059A (en) * | 2010-12-10 | 2011-04-20 | 华北电力大学 | Forming method for modifying biomass fuel by rapid thermal treatment process |
| CN102816621A (en) * | 2012-09-19 | 2012-12-12 | 中国科学院广州能源研究所 | Method for preparing briquette fuels by waste woods in furniture factory |
| CN104830397A (en) * | 2015-05-21 | 2015-08-12 | 刘冬明 | Compound high-temperature environment-friendly biomass fuel and preparation method thereof |
| CN105238480A (en) * | 2015-10-17 | 2016-01-13 | 东至县兴农菌业有限责任公司 | High efficiency biomass fuel and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107723046A (en) * | 2017-11-15 | 2018-02-23 | 广西塔锡科技有限公司 | A kind of high-performance biomass solid fuel |
| CN107916152A (en) * | 2017-11-15 | 2018-04-17 | 广西塔锡科技有限公司 | A kind of solid fuel of resistance to biomass-burning |
| CN107937078A (en) * | 2017-11-15 | 2018-04-20 | 广西塔锡科技有限公司 | A kind of biomass solid fuel |
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Application publication date: 20161207 |