CN105950254A - Preparation technology of rice husk briquette fuel - Google Patents

Preparation technology of rice husk briquette fuel Download PDF

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Publication number
CN105950254A
CN105950254A CN201610532496.6A CN201610532496A CN105950254A CN 105950254 A CN105950254 A CN 105950254A CN 201610532496 A CN201610532496 A CN 201610532496A CN 105950254 A CN105950254 A CN 105950254A
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CN
China
Prior art keywords
rice husk
raw
fuel
solid
temperature
Prior art date
Application number
CN201610532496.6A
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Chinese (zh)
Inventor
邵兵
陈亚
苏永亚
李小红
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光大生物能源(含山)有限公司
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Priority to CN201610532496.6A priority Critical patent/CN105950254A/en
Publication of CN105950254A publication Critical patent/CN105950254A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L5/00Solid fuels
    • C10L5/40Solid fuels essentially based on materials of non-mineral origin
    • C10L5/44Solid fuels essentially based on materials of non-mineral origin on vegetable substances
    • C10L5/445Agricultural waste, e.g. corn crops, grass clippings, nut shells or oil pressing residues
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L9/00Treating solid fuels to improve their combustion
    • C10L9/10Treating solid fuels to improve their combustion by using additives
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L2200/00Components of fuel compositions
    • C10L2200/02Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
    • C10L2200/029Salts, such as carbonates, oxides, hydroxides, percompounds, e.g. peroxides, perborates, nitrates, nitrites, sulfates, and silicates
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/24Mixing, stirring of fuel components
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/28Cutting, disintegrating, shredding or grinding
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/32Molding or moulds
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS 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
    • C10L2290/00Fuel preparation or upgrading, processes or apparatus therefore, comprising specific process steps or apparatus units
    • C10L2290/54Specific separation steps for separating fractions, components or impurities during preparation or upgrading of a fuel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Abstract

The invention discloses a preparation technology of a rice husk briquette fuel, and belongs to the technical field of biofuels. The preparation technology comprises the following steps of 1, pretreatment of raw materials: receiving of raw materials, crushing, conveying of raw materials, and lifting and mixing; 2, solid briquetting: adjusting and feeding of raw materials, solid shaping, and cutting; 3, auxiliary treatment: cooling, wherein the temperature of briquette fuel from a briquetting machine is 75-85 DEG C, and the briquette high-temperature solid fuel is cooled to the temperature which can reach the package and storage condition; metering and packaging, wherein the finished product is metered, and packaged by a machine. The preparation technology has the advantages that the problem of more raw materials of biomass is solved; a biomass solid fuel production line is built, the industrial continuous and stable production is realized, the problem of energy source is solved, and the environment can be well protected.

Description

A kind of processing technology of rice husk shaped fuel
Technical field
The present invention relates to bio-fuel technical field, more particularly, it relates to the processing technology of a kind of rice husk shaped fuel.
Background technology
Along with economic fast development, power consumption is also presenting ascendant trend, and China mainly uses hydroelectric generation, nuclear power generation and coal-fired thermal power generation, hydroelectric generation is restricted by rainwater, and nuclear power generation cost is the highest, and coal fired power generation is more universal, but a series of environmental problem can be caused, it is, thus, sought for one can substitute coal-fired thermal power generation, biomass fuel generating is operated and is given birth to.
At present, biomass fuel generating drives steam turbine to rotate generating by Boiler Steam, in power generation process, needs to make biomass molding fuel.Biomass solid forming technology be by all kinds of scattered, do not have effigurate rice husk, forestry waste etc. to be dried, pulverize after, under uniform temperature and pressure effect, be pressed into bar-shaped, the block or granular shaped fuel that regular shape, density are bigger.Its moulding process used is hot-forming after mainly relying on heating, this mode has energy consumption height, high in cost of production problem, heat the heat energy loss that also can cause equipment wearing and fuel simultaneously, these moulding processs are all small workshop modes, unit commodity power consumption energy consumption is big, productivity ratio is low, it is impossible to realize industrialization continuous and stable production.Additionally, some forming techniques are the viscosity increasing shaped fuel, the binding agents such as Mel, amylan, clay, tar are added in forming process, this improves the production cost of fuel undoubtedly, and clay, Colophonium etc. make binding agent etc. and article shaped burning slagging scorification also can be made serious, burning is produced certain negative effect, and pollutes environment.
Summary of the invention
1. Invention to solve the technical problem that
It is an object of the invention to solve to exist in current biomass molding fuel processing method that energy consumption is big, productivity ratio is low, dust is big in production process, the problem of polluting environment, it is provided that the processing technology of a kind of rice husk shaped fuel.Rice husk biomass material can be processed into solid molding fuel by the method; the problem solving biomass material diversification, uses this technique can build up biomass solid fuel production line, it is achieved industrialization continuous and stable production; energy problem can be solved, protect environment well.
2. Technical scheme
For reaching above-mentioned purpose, the technical scheme that the present invention provides is:
The processing technology of a kind of rice husk shaped fuel of the present invention, the steps include:
Step 1: pretreatment of raw material workshop section:
Operation 1: raw material receives, and from rickyard, rice husk is transported to the canopy that feeds intake, stacks along feeding belt direction order;
Operation 2: pulverize, be ground into short and thin threadiness by larger-size in rice husk;
Operation 3: feedstock transportation, by feedstock transportation to raw material cabin;Need separating twice, pulverizing process be delivered to fine pulverizer, after separating twice, grinding particle size is within 1cm, control moisture percentage, 15% ± 2%, adds combustion adjuvant and binding agent, then by feeding machine, mixed rice husk is delivered to shaped device in rice husk after being pulverized;
Operation 4: promoting and mixture, raw material is temporarily stored within raw material cabin by elevator, installs flight in storehouse, is stirred raw material and mixes;
Step 2: solid forming workshop section:
Operation 5: modulation feeding, modulates mixing by the powder of raw material cabin, is delivered to solid forming machine continuously and stably;
Operation 6: solid forming, is passed through compression forming by solid forming machine by material extruding molding, rice husk;
Operation 7: cut off, at solid forming machine built with cutting knife, cuts off the shaped fuel squeezed out according to the size of design;
Step 3: assist supporting workshop section:
Operation 8: cooling, is 75~85 DEG C from forming machine shaped fuel temperature the most out, and the high-temperature solid fuel after machine-shaping is lowered the temperature by this operation so that it is temperature can reach the condition of packing and storing;
Operation 9: metering packing, measures finished product, it is achieved Machinary Packaging;
In whole technical process, also include adding water and dedusting:
Add water: according to characteristic and the moisture content situation of raw material, be properly added moisture and carry out damping, meet the requirement of solid forming;
Dedusting: use cyclonic separation, pulse dust removal to remove the dust in process of manufacture.
Further, before raw material enters forming machine, it is provided with high-efficient deferrization device.
Further, the percentage by weight of the combustion adjuvant added accounts for the 3% of mixed rice husk weight, the percentage by weight of the binding agent added accounts for the 4% of mixed rice husk weight, the concrete composition of combustion adjuvant is 16wt% sodium chloride, 11wt% calcium hydroxide, 41wt% cement, also include sodium sulfate and ferrous sulfate, the total amount of sodium sulfate and ferrous sulfate accounts for 32wt%, and binding agent is sodium silicate.
3. Beneficial effect
The technical scheme using the present invention to provide, compared with prior art, has the advantages that
A kind of processing technology of the rice husk shaped fuel of the present invention; rice husk biomass material can be processed into solid molding fuel by the method; the problem solving biomass material diversification; use this technique can build up biomass solid fuel production line; realize industrialization continuous and stable production; energy problem can be solved, protect environment well.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1
The processing technology of a kind of rice husk shaped fuel of the present embodiment, the steps include:
Step 1: pretreatment of raw material workshop section:
Operation 1: raw material receives, and from rickyard, rice husk is transported to the canopy that feeds intake, stacks along feeding belt direction order;
Operation 2: pulverize, be ground into short and thin threadiness by larger-size in rice husk;
Operation 3: feedstock transportation, by feedstock transportation to raw material cabin;Need separating twice, it is delivered to fine pulverizer by pulverizing process, after separating twice, grinding particle size is within 1cm, control moisture percentage 15% ± 2%, rice husk after being pulverized adds combustion adjuvant and binding agent, the percentage by weight of the combustion adjuvant added accounts for the 3% of mixed rice husk weight, the percentage by weight of the binding agent added accounts for the 4% of mixed rice husk weight, the concrete composition of combustion adjuvant is 16wt% sodium chloride, 11wt% calcium hydroxide, 41wt% cement, also include sodium sulfate and ferrous sulfate, the total amount of sodium sulfate and ferrous sulfate accounts for 32wt%, binding agent is sodium silicate, then by feeding machine, mixed rice husk is delivered to shaped device;
Operation 4: promoting and mixture, raw material is temporarily stored within raw material cabin by elevator, installs flight in storehouse, is stirred raw material and mixes, before raw material enters forming machine, be provided with high-efficient deferrization device;
Step 2: solid forming workshop section:
Operation 5: modulation feeding, modulates mixing by the powder of raw material cabin, is delivered to solid forming machine continuously and stably;
Operation 6: solid forming, is passed through compression forming by solid forming machine by material extruding molding, rice husk;
Operation 7: cut off, at solid forming machine built with cutting knife, cuts off the shaped fuel squeezed out according to the size of design;
Step 3: assist supporting workshop section:
Operation 8: cooling, is 75~85 DEG C from forming machine shaped fuel temperature the most out, and the high-temperature solid fuel after machine-shaping is lowered the temperature by this operation so that it is temperature can reach the condition of packing and storing;
Operation 9: metering packing, measures finished product, it is achieved Machinary Packaging;
In whole technical process, also include adding water and dedusting:
Add water: according to characteristic and the moisture content situation of raw material, be properly added moisture and carry out damping, meet the requirement of solid forming;
Dedusting: use cyclonic separation, pulse dust removal to remove the dust in process of manufacture.
A kind of processing technology of the rice husk shaped fuel of the present embodiment; rice husk biomass material can be processed into solid molding fuel by the method; the problem solving biomass material diversification; use this technique can build up biomass solid fuel production line; realize industrialization continuous and stable production; energy problem can be solved, protect environment well.
Schematically being described the present invention and embodiment thereof above, this description does not has restricted, and actual method is not limited thereto.So, if those of ordinary skill in the art is enlightened by it, in the case of without departing from the invention objective, design the method similar to this technical scheme and embodiment without creative, protection scope of the present invention all should be belonged to.

Claims (3)

1. the processing technology of a rice husk shaped fuel, it is characterised in that: the steps include:
Step 1: pretreatment of raw material workshop section:
Operation 1: raw material receives, and from rickyard, rice husk is transported to the canopy that feeds intake, stacks along feeding belt direction order;
Operation 2: pulverize, be ground into short and thin threadiness by larger-size in rice husk;
Operation 3: feedstock transportation, by feedstock transportation to raw material cabin;Need separating twice, pulverizing process be delivered to fine pulverizer, after separating twice, grinding particle size is within 1cm, control moisture percentage, 15% ± 2%, adds combustion adjuvant and binding agent, then by feeding machine, mixed rice husk is delivered to shaped device in rice husk after being pulverized;
Operation 4: promoting and mixture, raw material is temporarily stored within raw material cabin by elevator, installs flight in storehouse, is stirred raw material and mixes;
Step 2: solid forming workshop section:
Operation 5: modulation feeding, modulates mixing by the powder of raw material cabin, is delivered to solid forming machine continuously and stably;
Operation 6: solid forming, is passed through compression forming by solid forming machine by material extruding molding, rice husk;
Operation 7: cut off, at solid forming machine built with cutting knife, cuts off the shaped fuel squeezed out according to the size of design;
Step 3: assist supporting workshop section:
Operation 8: cooling, is 75~85 DEG C from forming machine shaped fuel temperature the most out, and the high-temperature solid fuel after machine-shaping is lowered the temperature by this operation so that it is temperature can reach the condition of packing and storing;
Operation 9: metering packing, measures finished product, it is achieved Machinary Packaging;
In whole technical process, also include adding water and dedusting:
Add water: according to characteristic and the moisture content situation of raw material, be properly added moisture and carry out damping, meet the requirement of solid forming;
Dedusting: use cyclonic separation, pulse dust removal to remove the dust in process of manufacture.
The processing technology of a kind of rice husk shaped fuel the most according to claim 1, it is characterised in that: before raw material enters forming machine, it is provided with high-efficient deferrization device.
The processing technology of a kind of rice husk shaped fuel the most according to claim 1 and 2, it is characterized in that: the percentage by weight of the combustion adjuvant added accounts for the 3% of mixed rice husk weight, the percentage by weight of the binding agent added accounts for the 4% of mixed rice husk weight, the concrete composition of combustion adjuvant is 16wt% sodium chloride, 11wt% calcium hydroxide, 41wt% cement, also include sodium sulfate and ferrous sulfate, the total amount of sodium sulfate and ferrous sulfate accounts for 32wt%, and binding agent is sodium silicate.
CN201610532496.6A 2016-07-08 2016-07-08 Preparation technology of rice husk briquette fuel CN105950254A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108485746A (en) * 2018-03-19 2018-09-04 霍山丰乐竹塑新型环保材料有限公司 A kind of biological particles production technology convenient for burning

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555429A (en) * 2009-05-05 2009-10-14 农业部规划设计研究院 Processing method for biomass solid molding fuel
CN101851541A (en) * 2010-05-27 2010-10-06 宋庆华 Method for producing solid fuel by using maize straws and manufacturing process
CN103104304A (en) * 2013-01-29 2013-05-15 嘉兴新嘉爱斯热电有限公司 Formed biomass fuel power generation method
CN104232235A (en) * 2014-10-17 2014-12-24 苏州新协力环保科技有限公司 Production process of bio-mass fuel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101555429A (en) * 2009-05-05 2009-10-14 农业部规划设计研究院 Processing method for biomass solid molding fuel
CN101851541A (en) * 2010-05-27 2010-10-06 宋庆华 Method for producing solid fuel by using maize straws and manufacturing process
CN103104304A (en) * 2013-01-29 2013-05-15 嘉兴新嘉爱斯热电有限公司 Formed biomass fuel power generation method
CN104232235A (en) * 2014-10-17 2014-12-24 苏州新协力环保科技有限公司 Production process of bio-mass fuel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108485746A (en) * 2018-03-19 2018-09-04 霍山丰乐竹塑新型环保材料有限公司 A kind of biological particles production technology convenient for burning

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