CN107434993A - A kind of preparation method of efficient straw biomass fuel - Google Patents

A kind of preparation method of efficient straw biomass fuel Download PDF

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Publication number
CN107434993A
CN107434993A CN201710848992.7A CN201710848992A CN107434993A CN 107434993 A CN107434993 A CN 107434993A CN 201710848992 A CN201710848992 A CN 201710848992A CN 107434993 A CN107434993 A CN 107434993A
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CN
China
Prior art keywords
biomass fuel
preparation
stalk
straw biomass
efficient straw
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710848992.7A
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Chinese (zh)
Inventor
沈显华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Flame Biomass Energy Technology Co Ltd
Original Assignee
Wuhu Flame Biomass Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Flame Biomass Energy Technology Co Ltd filed Critical Wuhu Flame Biomass Energy Technology Co Ltd
Priority to CN201710848992.7A priority Critical patent/CN107434993A/en
Publication of CN107434993A publication Critical patent/CN107434993A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/08—Drying or removing water
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/28—Cutting, disintegrating, shredding or grinding
    • 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
    • C10L2290/00—Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/32—Molding or moulds
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

The invention discloses a kind of preparation method of efficient straw biomass fuel, comprise the following steps：A, drying steps；B, granulation step is crushed；C, compression step.Compared with prior art, the density of made straw biomass fuel is 1 1.1g/cm to the present invention3, using common boiler, its efficiency of combustion is 27 29%.

Description

A kind of preparation method of efficient straw biomass fuel
Technical field
The invention belongs to the preparation method of biomass fuel, particularly belongs to the preparation using stalk as the biomass fuel of raw material Method.
Background technology
At present, worldwide energy resource consumption is mainly with coal, the non-renewable energy resources based on oil and natural gas, and When non-renewable energy resources are always finished, therefore regenerative resource is the principal mode of the human future energy.Regenerative resource bag Including wind energy, water energy, solar energy and biomass fuel, biomass has wide material sources, and small by territory restriction, volume is big, is not easy to transport The characteristics of defeated, by compressed biomass into biomass fuel, the density of common biomass fuel is 1-1.1g/cm3, burning effect Rate is low, and needs specific combustion apparatus when burning, and efficiency of combustion can be only achieved 20%, and common equipment can only achieve 15%.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of preparation side of the straw biomass fuel of high combustion efficiency Method.
The present invention solve technical problem technical scheme be：The preparation method of efficient straw biomass fuel, including it is following Step：A, drying steps；B, granulation step is crushed；C, compression step.
Described a, drying steps：By stalk drying at room temperature 20-30 days, its moisture content is set to reach 10-15%；
Described b, crush granulation step：By the dried stalk of a, drying steps, mixed with auxiliary agent, then be ground into 5- 20mm particle；
The sodium carboxymethylcellulose, stearic acid, the mixture of cornstarch that described auxiliary agent is 0.1%, 0.1% carboxylic first Base sodium cellulosate, stearic acid, the weight ratio of cornstarch are 1：0.1-0.3：The weight of 0.1-0.3, stalk and auxiliary agent is 1： 0.001-0.01；
Described c, compression step：The particle that b, crushing granulation step make is compressed in roller forming machine, into The pressure of type machine is 15-25Mpa.
The pressure of preferable forming machine is 20Mpa.
Described stalk is rice straw, maize straw, jowar stalk.
Compared with prior art, the density of made straw biomass fuel is 1-1.1g/cm to the present invention3, using usual Boiler, its efficiency of combustion is 27-30%.
Embodiment
With reference to embodiment, the present invention is described in detail.
Forming machine used in the present invention produces for German RUF companies.
Embodiment 1：
The preparation method of efficient straw biomass fuel, comprises the following steps：A, drying steps；B, granulation step is crushed； C, compression step.
Described a, drying steps：By stalk drying at room temperature 20 days, its moisture content is set to reach 10%；
Described b, crush granulation step：By the dried stalk of a, drying steps, mixed with auxiliary agent, then be ground into 5- 20mm particle；
The sodium carboxymethylcellulose, stearic acid, the mixture of cornstarch that described auxiliary agent is 0.1%, 0.1% carboxylic first Base sodium cellulosate, stearic acid, the weight ratio of cornstarch are 1：0.1：0.1, the weight of stalk and auxiliary agent is 1：0.001；
Described c, compression step：The particle that b, crushing granulation step make is compressed in roller forming machine, into The pressure of type machine is 15Mpa.
Described stalk is rice straw.
Embodiment 2：
The preparation method of efficient straw biomass fuel, comprises the following steps：A, drying steps；B, granulation step is crushed； C, compression step.
Described a, drying steps：By stalk drying at room temperature 25 days, its moisture content is set to reach 12%；
Described b, crush granulation step：By the dried stalk of a, drying steps, mixed with auxiliary agent, then be ground into 5- 20mm particle；
The sodium carboxymethylcellulose, stearic acid, the mixture of cornstarch that described auxiliary agent is 0.1%, 0.1% carboxylic first Base sodium cellulosate, stearic acid, the weight ratio of cornstarch are 1：0.2：0.2, the weight of stalk and auxiliary agent is 1：0.005；
Described c, compression step：The particle that b, crushing granulation step make is compressed in roller forming machine, into The pressure of type machine is 20Mpa.
Described stalk is maize straw.
Embodiment 3：
The preparation method of efficient straw biomass fuel, comprises the following steps：A, drying steps；B, granulation step is crushed； C, compression step.
Described a, drying steps：By stalk drying at room temperature 30 days, its moisture content is set to reach 10%；
Described b, crush granulation step：By the dried stalk of a, drying steps, mixed with auxiliary agent, then be ground into 5- 20mm particle；
The sodium carboxymethylcellulose, stearic acid, the mixture of cornstarch that described auxiliary agent is 0.1%, 0.1% carboxylic first Base sodium cellulosate, stearic acid, the weight ratio of cornstarch are 1：0.3：0.3, the weight of stalk and auxiliary agent is 1：0.01；
Described c, compression step：The particle that b, crushing granulation step make is compressed in roller forming machine, into The pressure of type machine is 25Mpa.
Described stalk is jowar stalk.
Embodiment 4：
It is other same as Example 1 in addition to not adding assistant.
Embodiment 1-4 densified straw is 0.12-0.13g/cm3, the density of made biomass fuel is respectively 1.03g/cm3、1.05g/cm3、1.09g/cm3、1.02g/cm3, use common boiler, the efficiency of combustion of embodiment 1,2,3,4 Respectively 27%, 28%, 28%, 15%.

Claims (7)

  1. A kind of 1. preparation method of efficient straw biomass fuel, it is characterised in that：Comprise the following steps：A, drying steps；b、 Crush granulation step；C, compression step.
  2. A kind of 2. preparation method of efficient straw biomass fuel according to claim 1, it is characterised in that：Described a, Drying steps：By stalk drying at room temperature 20-30 days, its moisture content is set to reach 10-15%.
  3. A kind of 3. preparation method of efficient straw biomass fuel according to claim 1, it is characterised in that：Described b, Crush granulation step：By the dried stalk of a, drying steps, mixed with auxiliary agent, then be ground into 5-20mm particle.
  4. A kind of 4. preparation method of efficient straw biomass fuel according to claim 3, it is characterised in that：Described helps The sodium carboxymethylcellulose, stearic acid, the mixture of cornstarch that agent is 0.1%, 0.1% sodium carboxymethylcellulose, tristearin Acid, the weight ratio of cornstarch are 1：0.1-0.3：The weight of 0.1-0.3, stalk and auxiliary agent is 1：0.001-0.01.
  5. A kind of 5. preparation method of efficient straw biomass fuel according to claim 1, it is characterised in that：Described c, Compression step：The particle that b, crushing granulation step make is compressed in roller forming machine, the pressure of forming machine is 15- 25Mpa。
  6. A kind of 6. preparation method of efficient straw biomass fuel according to claim 5, it is characterised in that：Preferably into The pressure of type machine is 20Mpa.
  7. A kind of 7. preparation method of efficient straw biomass fuel according to claim 1, it is characterised in that：Described straw Stalk is rice straw, maize straw, jowar stalk.
CN201710848992.7A 2017-09-19 2017-09-19 A kind of preparation method of efficient straw biomass fuel Pending CN107434993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710848992.7A CN107434993A (en) 2017-09-19 2017-09-19 A kind of preparation method of efficient straw biomass fuel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710848992.7A CN107434993A (en) 2017-09-19 2017-09-19 A kind of preparation method of efficient straw biomass fuel

Publications (1)

Publication Number Publication Date
CN107434993A true CN107434993A (en) 2017-12-05

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022089A (en) * 2018-08-21 2018-12-18 芜湖聚焰生物质能源科技有限公司 A kind of method of swollen soft straws used for preparing fuel
CN109609231A (en) * 2018-10-24 2019-04-12 定远县碧蓝山新能源有限公司 A kind of moisture-proof biomass fuel of rush combustion
CN110467955A (en) * 2019-07-03 2019-11-19 南通汉森农业科技有限公司 Biomass straw fuel combination and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022089A (en) * 2018-08-21 2018-12-18 芜湖聚焰生物质能源科技有限公司 A kind of method of swollen soft straws used for preparing fuel
CN109609231A (en) * 2018-10-24 2019-04-12 定远县碧蓝山新能源有限公司 A kind of moisture-proof biomass fuel of rush combustion
CN110467955A (en) * 2019-07-03 2019-11-19 南通汉森农业科技有限公司 Biomass straw fuel combination and preparation method thereof

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Application publication date: 20171205