CN105969455A - Low-water content biomass briquette fuel and production method thereof - Google Patents

Low-water content biomass briquette fuel and production method thereof Download PDF

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Publication number
CN105969455A
CN105969455A CN201610088252.3A CN201610088252A CN105969455A CN 105969455 A CN105969455 A CN 105969455A CN 201610088252 A CN201610088252 A CN 201610088252A CN 105969455 A CN105969455 A CN 105969455A
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CN
China
Prior art keywords
fuel
biomass
low
briquette fuel
water content
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Pending
Application number
CN201610088252.3A
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Chinese (zh)
Inventor
张思坦
张绪庆
胡星
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BENGBU EAST CHINA GYPSUM Co Ltd
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BENGBU EAST CHINA GYPSUM Co Ltd
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Priority to CN201610088252.3A priority Critical patent/CN105969455A/en
Publication of CN105969455A publication Critical patent/CN105969455A/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
    • C10L9/00—Treating solid fuels to improve their combustion
    • C10L9/10—Treating solid fuels to improve their combustion by using additives
    • 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
    • C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
    • C10L2230/22—Function and purpose of a components of a fuel or the composition as a whole for improving fuel economy or fuel efficiency
    • 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
    • C10L2290/30—Pressing, compressing or compacting
    • 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

Abstract

The invention discloses a low-water content consumption good-durability biomass briquette fuel. According to the invention, the pretreated corn straws are taken as a raw material for anaerobic fermentation for 10-20 days, so that mechanical endurance of the briquette fuel is increased, magnesium carbonate is taken as an anti-slagging agent, during a combustion process, the Mg element and elements such as Si, K, and Na which are inherent in the corn straws and are capable of slagging are subjected to a reaction, a novel compound K2Mg(SO4)2 is generated and provides anti-slagging performance to the briquette fuel, and the produced briquette fuel has the advantages of low water content, full combustion and firing endurance, greatly increases the gas generating speed and gas generating amount, and does not add a binding agent, compression bonding of the biomass particles can be carried out through lignin, intensity of the biomass fuels is increased, moulding pressure of the fuel is reduced, unnecessary energy loss is avoided, and the production cost is saved.

Description

Biomass molding fuel that a kind of moisture content is low and preparation method thereof
Technical field
The present invention relates to biomass fuel technical field, particularly relate to the low biomass molding fuel of a kind of moisture content and Manufacture method.
Background technology
Biomass energy because it is renewable, aboundresources, environmental friendliness and become world's fourth largest energy, be also the most permissible Transport and the clean reproducible energy stored, mainly by the biomass energy technology modernized by agricultural wastes, felling Residue, feces of livestock and poultry, MSW, sanitary sewage become biological particles to fire with Raw material processings such as industrial organic waste waters The end products such as material, biodiesel, bio-fuel ethanol.Biomass fuel is discharged almost without SO2 during later-stage utilization, Decrease the acid rain caused by flue gas and the harm of greenhouse effect produced during it utilizes so that biomass energy has The most wide application prospect and development space, thus Developing Biomass fuel has become the mankind and has solved energy problem and improve ring One important means in border and developing direction.China is large agricultural country, and biomass resource enriches, the yield of annual agricultural crop straw More than 700,000,000 t, wherein amount usable is about 5.055 hundred million t, accounts for the 50%-60% of Chinese biological matter total resources, therefore, converts it Utilize significant.The raw materials such as agricultural crop straw exist loosely organized, density is little, distribution is not concentrated, the thermal efficiency is low, inconvenient Many defects such as transport and storage, are unfavorable for utilizing on a large scale, utilize mechanical force that compressed biomass or extruding are become density relatively Greatly, the thermal efficiency is high, it is simple to the solid fuel of transport storage is the most relatively advanced a kind of biomass economy mode.
It is tight to there is equipment attrition for straw compressing and forming in " molding fuel test is prepared in stalk anaerobic fermentation modification " literary composition The antibiont degraded barrier that weight and anaerobic fermentation face, it is proposed that the thinking of shaped fuel is prepared in a kind of stalk anaerobic fermentation modification And carried out experimental study.With corn straw as raw material in literary composition, the anaerobism that raw material carries out 10d and 20 d respectively by a definite date is sent out Ferment, the biogas residue after fermentation size-reduced and dried in 100 DEG C, be compressed into the granular fuel of diameter 10 mm under the conditions of 6 MPa. Result of the test shows: after stalk anaerobic fermentation, and the energy being retained in biogas residue is more than the energy transferred in biogas, straw biogas residue Energy value high, but after fermentation 20 d, straw content of ashes is 3 times of non-fermented stalk, and its clinkering property may be made to increase By force, the shaped fuel calorific value and prepared in literary composition only improves about 5.82% than raw material, it is impossible to meets blast furnace or has high heating value demand Place, and exist when small-sized cooking stove misfire, the problem such as the length duration of ignition and smoke pollution, efficiency of combustion is low, Need in addition modified to obtain high heating value, the novel biomass shaped fuel of resistive connection slag.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that the biomass molding fuel that a kind of moisture content is low And preparation method thereof.
The present invention is achieved by the following technical solutions:
The biomass molding fuel that a kind of moisture content is low, is prepared by the raw materials in: corn straw 100, walnut shell 19- 21, magnesium carbonate 5-7, fatty acid calcium 1.4-1.6, zinc chloride 2-3, calcium oxide 10-12, ferrous oxide 5-6, polyoxyethylene castor oil 6-7, aerosol-OT 2-3, polyvinyl alcohol 2.4-2.6, ferrovanadium slag 20-22, Silicon stone 6-8, suitable quantity of water.
The manufacture method of the biomass molding fuel that described a kind of moisture content is low, comprises the following steps:
(1) polyoxyethylene castor oil, aerosol-OT stirring and evenly mixing are heated to fluidized state, are rapidly added oxidation Ferrous, Silicon stone keeps temperature to stir 30-40 minute, is cooled to room temperature ultrasonic grinding 10-15 minute, is spray-dried prepared combustion-supporting Agent；
(2) ferrovanadium slag 5-10wt% hydrochloric acid solution is soaked 1-2 hour, with hot wash to without chloride ion, add polyethylene Alcohol, suitable quantity of water be ultrasonic Treatment 8-10 minute at 80-100 DEG C, dries, and adds calcium oxide roasting 2-4 at 720-810 DEG C little Time, it is cooled to grinding at room temperature and prepares modified ferrovanadium slag；
(3) by corn straw with hot-water soak 10-12 hour of 60-70 DEG C, filter and put in fermentation vat, control fermentation vat temperature At 30-50 DEG C, humidity is 50-60%, and anaerobic fermentation processes 20-30 hour, and the modified ferrovanadium slag of addition, walnut shell stir Isolation air continues fermentation 10-20 days, filtering drying, puts into and is crushed to 60-80 mesh in pulverizer；
(4) in step (3) material, add combustion adjuvant, water and the mixing of other residual components, send into single lead screw ex truding briquetting machine, with 6MPa's Briquetting pressure is squeezed into a diameter of 5-8mm, the cylindrical particle of a length of 3-8cm, is dried, discharging.
The invention have the advantage that the anaerobism that the present invention carries out 10-20d by a definite date with pretreated corn straw for raw material is sent out After ferment, the relative amount of stalk hemicellulose and cellulose reduces, and lignin relative amount increases, and volatile matter content reduces, benzene alcohol Extract declines can improve the mechanical endurance of shaped fuel, compound resistive connection slag agent and combustion-supporting after finally biogas residue drying being pulverized Agent and the compression forming under the conditions of 6MPa of other effective ingredient, fast desirable pressure of preparation process molding is little contributes to reduction equipment for this Abrasion；The present invention using magnesium carbonate as resistive connection slag agent, in combustion Mg element intrinsic with corn straw, knot can be caused The elements such as Si, K, Na of slag there occurs reaction, generates new compound K2Mg(SO4)2And make it have anti-slagging properties, system Standby shaped fuel moisture content is low, and fully, firepower is lasting in burning, substantially increases aerogenesis speed and gas production, and without Binding agent, by lignin by biomass particle compression bonding, improves the intensity of biomass fuel, reduces the molding of fuel Pressure, it is to avoid unnecessary energy loss, has saved production cost.
Detailed description of the invention
The biomass molding fuel that a kind of moisture content is low, is prepared by the raw materials in: corn straw 100, Semen Juglandis Shell 19, magnesium carbonate 5, fatty acid calcium 1.4, zinc chloride 2, calcium oxide 10, ferrous oxide 5, polyoxyethylene castor oil 6, sulfosuccinate Dioctyl phthalate sodium 2, polyvinyl alcohol 2.4, ferrovanadium slag 20, Silicon stone 6, suitable quantity of water.
The manufacture method of the biomass molding fuel that described a kind of moisture content is low, comprises the following steps:
(1) polyoxyethylene castor oil, aerosol-OT stirring and evenly mixing are heated to fluidized state, are rapidly added oxidation Ferrous, Silicon stone keeps temperature to stir 30-40 minute, is cooled to room temperature ultrasonic grinding 10-15 minute, is spray-dried prepared combustion-supporting Agent；
(2) ferrovanadium slag 5-10wt% hydrochloric acid solution is soaked 1-2 hour, with hot wash to without chloride ion, add polyethylene Alcohol, suitable quantity of water be ultrasonic Treatment 8-10 minute at 80-100 DEG C, dries, and adds calcium oxide roasting 2-4 at 720-810 DEG C little Time, it is cooled to grinding at room temperature and prepares modified ferrovanadium slag；
(3) by corn straw with hot-water soak 10-12 hour of 60-70 DEG C, filter and put in fermentation vat, control fermentation vat temperature At 30-50 DEG C, humidity is 50-60%, and anaerobic fermentation processes 20-30 hour, and the modified ferrovanadium slag of addition, walnut shell stir Isolation air continues fermentation 10-20 days, filtering drying, puts into and is crushed to 60-80 mesh in pulverizer；
(4) in step (3) material, add combustion adjuvant, water and the mixing of other residual components, send into single lead screw ex truding briquetting machine, with 6MPa's Briquetting pressure is squeezed into a diameter of 5-8mm, the cylindrical particle of a length of 3-8cm, is dried, discharging.
The technical parameter index using the biomass molding fuel of present invention production is as follows:
(1) relaxed density is 1.154g/cm3；
(2) sulfur content: 0.366%；
(3) ash: 6.11%；
(4) calorific value: 25.42MJ/kg.

Claims (2)

1. the biomass molding fuel that a moisture content is low, it is characterised in that be prepared by the raw materials in: corn straw 100, walnut shell 19-21, magnesium carbonate 5-7, fatty acid calcium 1.4-1.6, zinc chloride 2-3, calcium oxide 10-12, ferrous oxide 5-6, Polyoxyethylene castor oil 6-7, aerosol-OT 2-3, polyvinyl alcohol 2.4-2.6, ferrovanadium slag 20-22, Silicon stone 6- 8, suitable quantity of water.
The manufacture method of the biomass molding fuel that a kind of moisture content the most according to claim 1 is low, it is characterised in that bag Include following steps:
(1) polyoxyethylene castor oil, aerosol-OT stirring and evenly mixing are heated to fluidized state, are rapidly added oxidation Ferrous, Silicon stone keeps temperature to stir 30-40 minute, is cooled to room temperature ultrasonic grinding 10-15 minute, is spray-dried prepared combustion-supporting Agent；
(2) ferrovanadium slag 5-10wt% hydrochloric acid solution is soaked 1-2 hour, with hot wash to without chloride ion, add polyethylene Alcohol, suitable quantity of water be ultrasonic Treatment 8-10 minute at 80-100 DEG C, dries, and adds calcium oxide roasting 2-4 at 720-810 DEG C little Time, it is cooled to grinding at room temperature and prepares modified ferrovanadium slag；
(3) by corn straw with hot-water soak 10-12 hour of 60-70 DEG C, filter and put in fermentation vat, control fermentation vat temperature At 30-50 DEG C, humidity is 50-60%, and anaerobic fermentation processes 20-30 hour, and the modified ferrovanadium slag of addition, walnut shell stir Isolation air continues fermentation 10-20 days, filtering drying, puts into and is crushed to 60-80 mesh in pulverizer；
(4) in step (3) material, add combustion adjuvant, water and the mixing of other residual components, send into single lead screw ex truding briquetting machine, with 6MPa's Briquetting pressure is squeezed into a diameter of 5-8mm, the cylindrical particle of a length of 3-8cm, is dried, discharging.
CN201610088252.3A 2016-02-17 2016-02-17 Low-water content biomass briquette fuel and production method thereof Pending CN105969455A (en)

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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101775324A (en) * 2010-03-23 2010-07-14 农业部规划设计研究院 Biomass solid formed fuel anti-slagging additive and preparation method thereof
CN102304408A (en) * 2011-08-04 2012-01-04 云南泽能科技有限公司 Carbon nanometer combustion improver and preparation method and preparation device thereof
WO2013093097A1 (en) * 2011-12-21 2013-06-27 Kentucky-Tennessee Clay Co. Mineral additive blend compositions and methods for operating combustors for avoiding problems such as agglomeration, deposition, corrosion and reducing emissions
CN104927961A (en) * 2015-06-24 2015-09-23 遵义方之林再生能源有限公司 Biomass particle fuel and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101775324A (en) * 2010-03-23 2010-07-14 农业部规划设计研究院 Biomass solid formed fuel anti-slagging additive and preparation method thereof
CN102304408A (en) * 2011-08-04 2012-01-04 云南泽能科技有限公司 Carbon nanometer combustion improver and preparation method and preparation device thereof
WO2013093097A1 (en) * 2011-12-21 2013-06-27 Kentucky-Tennessee Clay Co. Mineral additive blend compositions and methods for operating combustors for avoiding problems such as agglomeration, deposition, corrosion and reducing emissions
CN104927961A (en) * 2015-06-24 2015-09-23 遵义方之林再生能源有限公司 Biomass particle fuel and preparation method thereof

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Application publication date: 20160928