CN110923036A - Preparation method of crop biomass granular fuel - Google Patents
Preparation method of crop biomass granular fuel Download PDFInfo
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- CN110923036A CN110923036A CN201911241088.5A CN201911241088A CN110923036A CN 110923036 A CN110923036 A CN 110923036A CN 201911241088 A CN201911241088 A CN 201911241088A CN 110923036 A CN110923036 A CN 110923036A
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- China
- Prior art keywords
- crop
- biomass
- particles
- fuel
- sodium bicarbonate
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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
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/445—Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
-
- 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
- C10L5/44—Solid fuels essentially based on materials of non-mineral origin on vegetable substances
- C10L5/442—Wood or forestry waste
-
- 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
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
-
- 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
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Combustion & Propulsion (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Processing Of Solid Wastes (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a preparation method of crop biomass granular fuel, which is implemented according to the following steps: step 1, taking various crop wastes, pretreating the crop wastes, crushing, and sieving with a 150-mesh and 200-mesh sieve to obtain crop particles; step 2, adding the crop particles into a stirrer, adding sodium bicarbonate and water into the stirrer, and slowly stirring to form a homogeneous sticky substance; step 3, adding the homogenized sticky matter into a granulator, and granulating to obtain biomass particles; step 4, adding the biomass particles into a resistance furnace, heating to 180 ℃ under an unsealed state, and keeping the temperature for 20-30min, then closing the resistance furnace, and cooling to obtain biomass particle fuel; adding sodium bicarbonate, and decomposing the sodium bicarbonate by heating to obtain biomass fuel particles with pores inside; due to the hollow structure, the full combustion of fuel can be promoted during combustion; the invention also has the advantages of simple operation and high practical value.
Description
Technical Field
The invention belongs to the technical field of biomass combustion material preparation processes, and particularly relates to a preparation method of a crop biomass granular fuel.
Background
The biomass fuel refers to a biomass material which is burnt to serve as a fuel, generally mainly agricultural and forestry wastes (such as straws, sawdust, bagasse, rice chaff and the like), and is mainly different from fossil fuels. In the current national policy and environmental protection standard, the direct combustion biomass belongs to a high-pollution fuel, is only used in a rural large stove and is not allowed to be used in a city. The biomass fuel is a novel clean fuel which is formed (such as block and particle) and can be directly combusted by using agriculture and forestry wastes as raw materials and carrying out processes of crushing, mixing, extruding, drying and the like.
However, the direct combustion of these fuels has many adverse effects, such as insufficient combustion, etc., and the existing devices have been improved for the insufficient combustion problem, but the cost of improving these devices is higher, and the cost of improving the combustion materials is lower than the improvement of the devices.
Disclosure of Invention
The invention aims to provide a preparation method of crop biomass granular fuel, which can convert crop biomass waste into granules with holes inside and promote the full combustion of the fuel.
The technical scheme adopted by the invention is that the preparation method of the crop biomass granular fuel is implemented according to the following steps:
step 1, taking various crop wastes, pretreating the crop wastes, crushing, and sieving with a 150-mesh and 200-mesh sieve to obtain crop particles;
step 2, adding the crop particles into a stirrer, adding sodium bicarbonate and water into the stirrer, and slowly stirring to form a homogeneous sticky substance;
step 3, adding the homogenized sticky matter into a granulator, and granulating to obtain biomass particles;
and 4, adding the biomass particles into a resistance furnace, heating to the temperature of 120 ℃ and 180 ℃ in an unsealed state for 20-30min, then closing the resistance furnace, and cooling to obtain the biomass particle fuel.
Step 1, the multiple crops are one or a mixture of multiple kinds of corn straws, wheat straws, tree barks, plant dry leaves and walnut shells in any ratio.
The specific process of pretreating the crop waste comprises the following steps: placing the crop waste into a vibrating screen, vibrating to remove surface soil, and airing until the surface is dry.
The mass ratio of the crop particles, the sodium bicarbonate and the water added in the step 2 is 5-7:1-1.5: 4-5.
And 2, slowly stirring at a stirring speed of 50-60 r/min.
And 3, the particle size of the biomass particles is 2-3.5 cm.
And 4, in the process of adding the biomass particles into the resistance furnace, the gap between the two biomass particles is not less than 1 cm.
The invention has the beneficial effects that:
the invention relates to a preparation method of crop biomass granular fuel, which comprises the steps of adding sodium bicarbonate in the preparation process, and decomposing the sodium bicarbonate by heating to obtain biomass fuel granules with holes in the inner part; due to the hollow structure, the full combustion of fuel can be promoted during combustion; the preparation method of the biomass pellet fuel has the advantages of simple operation and high practical value.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention relates to a preparation method of crop biomass granular fuel, which is implemented according to the following steps:
step 1, taking multiple crop wastes, placing the crop wastes on a vibrating screen, vibrating to remove surface soil, airing until the surface is dried, crushing, and sieving with a 150-plus-200-mesh sieve to obtain crop particles; wherein the crops are one or more of corn straw, wheat straw, bark, dry plant leaves and walnut shell in any proportion;
step 2, adding the crop particles into a stirrer, adding sodium bicarbonate and water into the stirrer, wherein the mass ratio of the added crop particles to the sodium bicarbonate to the water is 5-7:1-1.5:4-5, and stirring at a slow stirring speed of 50-60r/min to form a homogeneous sticky substance;
step 3, adding the homogenized sticky matter into a granulator for granulation to obtain biomass particles with the particle size of 2-3.5 cm;
and 4, adding the biomass particles into a resistance furnace, heating the biomass particles to 120-180 ℃ in a non-closed state at a gap of not less than 1cm for 20-30min, then closing the resistance furnace, and cooling to obtain the biomass particle fuel.
Example 1
A preparation method of crop biomass granular fuel is implemented according to the following steps:
step 1, placing walnut shells on a vibrating screen, vibrating to remove surface soil, airing until the surfaces are dried, crushing, and sieving with a 150-mesh sieve to obtain crop particles;
step 2, adding the crop particles into a stirrer, adding sodium bicarbonate and water into the stirrer, wherein the mass ratio of the added crop particles to the sodium bicarbonate to the water is 5:1:4, and stirring at a slow stirring speed of 50r/min to form a homogeneous sticky substance;
step 3, adding the homogeneous sticky matter into a granulator, and granulating to obtain biomass particles with the particle size of 2 cm;
and 4, adding the biomass particles into a resistance furnace, heating the biomass particles to 120 ℃ in a non-closed state for 20min with the gap between the two biomass particles being 1cm, then closing the resistance furnace, and cooling to obtain the biomass particle fuel.
Example 2
A preparation method of crop biomass granular fuel is implemented according to the following steps:
step 1, taking various crop wastes, placing the crop wastes on a vibrating screen, vibrating to remove surface soil, airing until the surface is dry, crushing, and sieving with a 180-mesh sieve to obtain crop particles; wherein the various crops are a mixture of corn straws and wheat straws in a mass ratio of 1: 2;
step 2, adding the crop particles into a stirrer, adding sodium bicarbonate and water into the stirrer, wherein the mass ratio of the added crop particles to the sodium bicarbonate to the water is 6:1:5, and slowly stirring at a speed of 50-60r/min to obtain a homogeneous sticky substance;
step 3, adding the homogeneous sticky matter into a granulator, and granulating to obtain biomass particles with the particle size of 3 cm;
and 4, adding the biomass particles into a resistance furnace, heating the biomass particles to 150 ℃ in a non-closed state for 25min with the gap between the two biomass particles being 1.2cm, then closing the resistance furnace, and cooling to obtain the biomass particle fuel.
Example 3
A preparation method of crop biomass granular fuel is implemented according to the following steps:
step 1, taking various crop wastes, placing the crop wastes on a vibrating screen, vibrating to remove surface soil, airing until the surface is dry, crushing, and sieving with a 200-mesh sieve to obtain crop particles; wherein the various crops are a mixture of corn straws, wheat straws, poplar barks and walnut shells in a mass ratio of 1:1:1: 1;
step 2, adding the crop particles into a stirrer, adding sodium bicarbonate and water into the stirrer, wherein the mass ratio of the added crop particles to the sodium bicarbonate to the water is 7:1.5:5, and stirring at a slow stirring speed of 60r/min to form a homogeneous sticky substance;
step 3, adding the homogeneous sticky matter into a granulator, and granulating to obtain biomass particles with the particle size of 3.5 cm;
and 4, adding the biomass particles into a resistance furnace, heating the biomass particles to 180 ℃ in a non-closed state with a gap of 1cm between the two biomass particles for 30min, then closing the resistance furnace, and cooling to obtain the biomass particle fuel.
According to the preparation method of the crop biomass granular fuel, sodium bicarbonate is added in the preparation process, and the sodium bicarbonate is decomposed by heating to obtain biomass fuel granules with holes in the inner part; due to the hollow structure, the full combustion of fuel can be promoted during combustion; the preparation method of the biomass pellet fuel has the advantages of simple operation and high practical value.
Claims (7)
1. A preparation method of crop biomass granular fuel is characterized by comprising the following steps:
step 1, taking various crop wastes, pretreating the crop wastes, crushing, and sieving with a 150-mesh and 200-mesh sieve to obtain crop particles;
step 2, adding the crop particles into a stirrer, adding sodium bicarbonate and water into the stirrer, and slowly stirring to form a homogeneous sticky substance;
step 3, adding the homogenized sticky matter into a granulator, and granulating to obtain biomass particles;
and 4, adding the biomass particles into a resistance furnace, heating to the temperature of 120 ℃ and 180 ℃ in an unsealed state for 20-30min, then closing the resistance furnace, and cooling to obtain the biomass particle fuel.
2. The method for preparing the crop biomass granular fuel as claimed in claim 1, wherein the plurality of crops in step 1 are one or a mixture of a plurality of kinds of crops selected from corn stalks, wheat stalks, tree barks, plant dry leaves and walnut shells in any ratio.
3. The method for preparing the crop biomass pellet fuel as claimed in claim 1, wherein the specific process of pretreating the crop waste in the step 1 is as follows: placing the crop waste into a vibrating screen, vibrating to remove surface soil, and airing until the surface is dry.
4. The preparation method of the crop biomass pellet fuel as claimed in claim 1, wherein the mass ratio of the crop pellets, the sodium bicarbonate and the water added in the step 2 is 5-7:1-1.5: 4-5.
5. The method for preparing the crop biomass pellet fuel as claimed in claim 1, wherein the stirring speed of the slow stirring in the step 2 is 50-60 r/min.
6. The method for preparing the crop biomass pellet fuel as claimed in claim 1, wherein the biomass pellet in step 3 has a particle size of 2-3.5 cm.
7. The method for preparing the crop biomass pellet fuel as claimed in claim 1, wherein in the process of adding the biomass pellets into the electric resistance furnace in the step 4, the gap between two biomass pellets is not less than 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241088.5A CN110923036A (en) | 2019-12-06 | 2019-12-06 | Preparation method of crop biomass granular fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911241088.5A CN110923036A (en) | 2019-12-06 | 2019-12-06 | Preparation method of crop biomass granular fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110923036A true CN110923036A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911241088.5A Pending CN110923036A (en) | 2019-12-06 | 2019-12-06 | Preparation method of crop biomass granular fuel |
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| CN (1) | CN110923036A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101539224B1 (en) * | 2014-08-29 | 2015-07-27 | 동하정보기술 주식회사 | Method for preparing biomass solid refuse fuel |
| CN106381187A (en) * | 2016-09-13 | 2017-02-08 | 玉溪加宝生物能源有限公司 | Biomass granular fuel and processing method thereof |
| CN108949276A (en) * | 2018-06-27 | 2018-12-07 | 灵璧县禾源秸秆综合利用有限公司 | A kind of production technology of straw burning particle |
-
2019
- 2019-12-06 CN CN201911241088.5A patent/CN110923036A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101539224B1 (en) * | 2014-08-29 | 2015-07-27 | 동하정보기술 주식회사 | Method for preparing biomass solid refuse fuel |
| CN106381187A (en) * | 2016-09-13 | 2017-02-08 | 玉溪加宝生物能源有限公司 | Biomass granular fuel and processing method thereof |
| CN108949276A (en) * | 2018-06-27 | 2018-12-07 | 灵璧县禾源秸秆综合利用有限公司 | A kind of production technology of straw burning particle |
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Application publication date: 20200327 |