CN108531235A - A kind of biomass granule fuel and preparation method thereof that caking ability is high - Google Patents
A kind of biomass granule fuel and preparation method thereof that caking ability is high Download PDFInfo
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- CN108531235A CN108531235A CN201810359938.0A CN201810359938A CN108531235A CN 108531235 A CN108531235 A CN 108531235A CN 201810359938 A CN201810359938 A CN 201810359938A CN 108531235 A CN108531235 A CN 108531235A
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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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- 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
- C10L5/403—Solid fuels essentially based on materials of non-mineral origin on paper and paper 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
- C10L9/12—Oxidation means, e.g. oxygen-generating 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
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a kind of biomass granule fuels that caking ability is high, are made of the raw material of following parts by weight：5 10 parts of 60 65 parts of maize straw, 55 60 parts of rice straw, 15 20 parts of secondary stock, 57 parts of magnesia, 46 parts of sodium hydroxide, 24 parts of sodium chloride, 35 parts of potassium chlorate, 46 parts of manganese dioxide, milk of lime or carbide slag；The invention also discloses the preparation methods of the high biomass granule fuel of the caking ability；The compound adhesive that the high biomass granule fuel of the caking ability is formed using secondary stock and magnesia, improve the mechanical strength of biomass granule fuel, have in terms of production, transport, storage to biomass granule fuel and its important role, reduce abrasion of the material particles to former, it makes moderate progress for fuel processing performance and plant capacity loss, the biomass granule fuel caking ability produced is good, and fuel value is high, Air-pollution From Combustion is small, is conducive to the construction of ecological environment.
Description
Technical field
The present invention relates to biomass granule fuel preparation fields more particularly to a kind of biological particles that caking ability is high to fire
Material.
Background technology
With sawdust, bamboo scraps, branch, stalk, plant shell etc. for raw material, by professed machine, special process, without any chemistry
The granular fuel of additive, high pressure low temperature compression forming is referred to as biomass granule fuel.Biomass granule fuel calorific value
Height, cleanliness without any pollution are the high-tech environment-friendly products for substituting fossil energy.What biomass granule fuel was released in burning
CO2The CO absorbed by photosynthesis when substantially corresponding to growth2, so the greenhouse gases CO of biological particles2It is zero
Discharge.Biomass fuel belongs to regenerative resource.As long as with the presence of sunlight, the photosynthesis of green plants would not stop, raw
The substance energy would not be exhausted, and greenhouse gases keep dynamic equilibrium.There is no any problem of environmental pollution.Biomass granule fuel
Processing program it is as follows：Raw material crushing-raw material screening-drying-high temperature compression moulding-cooling-packaging.Although biological particles fire
Material has numerous advantages, but some problems are remained in actual use.Currently, combustion of the existing research to biomass fuel
Characteristic is burnt to be improved.
Patent of invention (CN101550374B) discloses a kind of biomass solid forming fuel additive, using Al2O3、
Fe2O3, kaolinic mixture as additive, be uniformly mixed using general method, additive by weight 3%~
8% is incorporated into stalk, although which has reached raising ash fusion point, the effects that reducing dust stratification, slagging, but additive therefor at
Point be resource-type mineral or chemicals, cause additive of high cost, and each ingredient of additive by mechanical mixture uniformly compared with
Hardly possible is realized.
A kind of method improving biomass ash fusion point, mentions kaolin and acid disclosed in patent of invention (CN102041130A)
Property carclazyte, diatomite, bentonite, coal, gangue one or more compositions mixture as additive, and additive is total
Quality is 20%~40% with biomass ash mass ratio.Also have much using kaolin, lime stone, calcium carbonate, magnesium carbonate, stone
The additives such as ash, laterite can improve the research of coal ash meltbility.
Invention content
It is an object of the invention to overcome the defect of the prior art, a kind of biological particles that caking ability is high combustion is provided
Material, the compound adhesive formed using secondary stock and magnesia, improves the mechanical strength of biomass granule fuel, mechanical strength
Improving has in terms of production, transport, storage biomass granule fuel and its important role, not only reduces material particles
Abrasion to former, and make moderate progress for fuel processing performance and plant capacity loss.
The invention is realized in this way：
It is an object of the present invention to provide a kind of biomass granule fuels that caking ability is high, by the original of following parts by weight
Material composition：60-65 parts of maize straw, 55-60 parts of rice straw, 15-20 parts of secondary stock, 5-7 parts of magnesia, sodium hydroxide 4-6
Part, 2-4 parts of sodium chloride, 3-5 parts of potassium chlorate, 4-6 parts of manganese dioxide, milk of lime or 5-10 parts of carbide slag.
The second object of the present invention is to provide a kind of preparation method for the biomass granule fuel that caking ability is high, including with
Lower step：
Step 1, respectively by the maize straw of number described in claim 1, rice straw through drying, crushing, mixing, compacting
After molding, continues pyrolytic gasification reaction, be ground into again after cooling powdered spare；
Step 2 grinds secondary stock, magnesia, sodium chloride, potassium chlorate, manganese dioxide, milk of lime or carbide slag, spraying
It is dried to obtain additive powder；
Step 3, the biomass material mixing sprills of step 1 are added the solution containing 4-6 parts of sodium hydroxide pre-process after,
It is uniformly mixed with the additive powder of step 2, is sent into single lead screw ex truding briquetting machine, extrusion forming is cylindrical particle, dry, discharging.
Compared with prior art, the invention has the advantages that and effect：
1, stalk pretreatment efficiency can effectively be improved using NaOH pretreatment at normal temperatures in the present invention, reduced
Cost：Due to the natural anti-degrading texture characteristic of lignocellulosic, cell wall complex cross-linked state institute is broken by oxygenation pretreatment
Caused by obstacle；
2, the compound adhesive formed using secondary stock and magnesia in the present invention, improves the machinery of biomass granule fuel
Intensity：In biomass room temperature (cold pressing) forming process, adding the characteristics of ideal adhesive should have has：It can homogeneous immersion life
Material grains surface, and there is good cohesiveness；Lower inorganic constituents content；High-wearing feature and thermal stability；With one
Fixed moisture-proof, damp proof effect；Raw material sources are extensive, environmental-friendly, and cheap and easy to get.The above feature produces performance in order to balance
More excellent biomass solidified fuel, the present invention gropes to obtain by many experiments to be answered using what secondary stock and magnesia formed
Adhesive is closed, the mechanical strength of biomass granule fuel is improved, the raising of mechanical strength is being produced, transported to biomass granule fuel
Have in terms of defeated, storage and its important role, not only reduces abrasion of the material particles to former, and for fuel
Processing performance and plant capacity loss make moderate progress；
3, sodium chloride, potassium chlorate and MnO in the present invention2Addition collaboration improve biomass granule fuel efficiency of combustion,
Specifically：2-4 parts of sodium chloride can be stirred the air-flow in coal seam, promote carbon as leavening agent in burner hearth high-temperature region by thermal spalling
The ashes or combustion product CO on grain surface are detached from, and are allowed to fully burn；3-5 parts of potassium chlorate of potassium chlorate can be in 300-350 DEG C of temperature
Area decomposes to give off oxygen, helps to provide burning active oxygen necessary to preheating section, burning zone and burning section to the greatest extent, coal is promoted to exist
The burning of flammable fugitive constituent and carbon granules is discharged in combustion process；The MnO of 4-6 parts of addition2It can make combustion rate point as catalyst
It is indescribably high by 10%~15%, and potassium chlorate and addition MnO2It is used in combination and can further improve combustion-supporting effect, combustion-supporting mechanism is chlorine
The active oxygen that sour potassium thermal decomposition is released accelerates the flame propagation velocity at the initial stage of catching fire, and then improves coal combustion rate；
4, the present invention is nearly free from sulfur dioxide and flying dust, is produced using milk of lime or carbide slag as sulphur-fixing agent
The biomass granule fuel caking ability gone out is good, and fuel value is high, and Air-pollution From Combustion is small, is conducive to the construction of ecological environment.
Specific implementation mode
The preparation of the high biomass granule fuel of 1 caking ability of embodiment
A kind of biomass fuel pellet that caking ability is high, is made of the raw material of following parts by weight：60 parts of maize straw, water
55 parts of rice straw, 15 parts of secondary stock, 5 parts of magnesia, 4 parts of sodium hydroxide, 2 parts of sodium chloride, potassium chlorate 3,4 parts of manganese dioxide, stone
5 parts of grey breast or carbide slag.
The preparation method of the high biomass fuel pellet of the caking ability, includes the following steps：
Step 1, respectively by the maize straw of the number, rice straw after drying, crushing, mixing, compression moulding, after
It is continuous to carry out pyrolytic gasification reaction, it is ground into again powdered spare after cooling, drying temperature is 90~120 DEG C；
Secondary stock, magnesia, sodium chloride, potassium chlorate, manganese dioxide, milk of lime or carbide slag are ground 30- by step 2
40min, spray drying obtain additive powder；
Step 3, the biomass material mixing sprills of step 1 are added the solution containing 4-6 parts of sodium hydroxide pre-process after,
It is uniformly mixed with the additive powder of step 2, is sent into single lead screw ex truding briquetting machine, a diameter of 6- is squeezed into the briquetting pressure of 12MPa
8mm, length is the cylindrical particle of 10-18cm, dry, discharging.
Embodiment 2：The preparation of the high biomass granule fuel of caking ability
A kind of biomass fuel pellet that caking ability is high, is made of the raw material of following parts by weight：65 parts of maize straw, water
60 parts of rice straw, 20 parts of secondary stock, 7 parts of magnesia, 6 parts of sodium hydroxide, 4 parts of sodium chloride, 5 parts of potassium chlorate, 6 parts of manganese dioxide,
10 parts of milk of lime or carbide slag.
The preparation method of the high biomass fuel pellet of the caking ability, includes the following steps：
Step 1, respectively by the maize straw of the number, rice straw after drying, crushing, mixing, compression moulding, after
It is continuous to carry out pyrolytic gasification reaction, it is ground into again powdered spare after cooling, drying temperature is 90~120 DEG C；
Secondary stock, magnesia, sodium chloride, potassium chlorate, manganese dioxide, milk of lime or carbide slag are ground 30- by step 2
40min, spray drying obtain additive powder；
Step 3, the biomass material mixing sprills of step 1 are added the solution containing 4-6 parts of sodium hydroxide pre-process after,
It is uniformly mixed with the additive powder of step 2, is sent into single lead screw ex truding briquetting machine, a diameter of 6- is squeezed into the briquetting pressure of 12MPa
8mm, length is the cylindrical particle of 10-18cm, dry, discharging.
Embodiment 3：The preparation of the high biomass granule fuel of caking ability
The high biomass granule fuel of the caking ability of the present embodiment, raw material composition and preparation method are as follows：
A kind of biomass fuel pellet that caking ability is high, is made of the raw material of following parts by weight：62 parts of maize straw, water
58 parts of rice straw, 18 parts of secondary stock, 6 parts of magnesia, 5 parts of sodium hydroxide, 3 parts of sodium chloride, 4 parts of potassium chlorate, 5 parts of manganese dioxide,
8 parts of milk of lime or carbide slag.
The preparation method of the high biomass fuel pellet of the caking ability, includes the following steps：
Step 1, respectively by the maize straw, rice straw, secondary stock of the number through drying, crushing, mix, be pressed into
After type, continue pyrolytic gasification reaction, be ground into again powdered spare after cooling, drying temperature is 90~120 DEG C；
Secondary stock, magnesia, sodium chloride, potassium chlorate, manganese dioxide, milk of lime or carbide slag are ground 30- by step 2
40min, spray drying obtain additive powder；
Step 3, the biomass material mixing sprills of step 1 are added the solution containing 4-6 parts of sodium hydroxide pre-process after,
It is uniformly mixed with the additive powder of step 2, is sent into single lead screw ex truding briquetting machine, a diameter of 6- is squeezed into the briquetting pressure of 12MPa
8mm, length is the cylindrical particle of 10-18cm, dry, discharging.
Experimental example
By the biomass fuel pellet obtained by the embodiment 1-3, fuel ash is detected after burning, the ash measured
Divide such as following table, and discharge capacity, the discharge capacity of methane gas, the discharge capacity of nitrogen oxide and the sulfur-containing oxide of HPLC detection carbon monoxide
Discharge capacity, as a result as shown in table 1 below.
Table 1
Experiment shows that biomass fuel pellet caking ability produced by the invention is good, and fuel value is high, and Air-pollution From Combustion is small, is conducive to
The construction of ecological environment.
It is described be only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all include within protection scope of the present invention.
Claims (6)
1. a kind of biomass granule fuel that caking ability is high, which is characterized in that be made of the raw material of following parts by weight：Corn stalk
60-65 parts of stalk, 55-60 parts of rice straw, 15-20 parts of secondary stock, 5-7 parts of magnesia, 4-6 parts of sodium hydroxide, sodium chloride 2-4
Part, 3-5 parts of potassium chlorate, 4-6 parts of manganese dioxide, milk of lime or 5-10 parts of carbide slag.
2. a kind of preparation method for the biomass fuel pellet that caking ability described in claim 1 is high, which is characterized in that including with
Lower step：
Step 1, respectively by the maize straw of number described in claim 1, rice straw through drying, crushing, mixing, compression moulding
Afterwards, continue pyrolytic gasification reaction, be ground into again after cooling powdered spare；
Step 2 grinds secondary stock, magnesia, sodium chloride, potassium chlorate, manganese dioxide, milk of lime or carbide slag, spray drying
Obtain additive powder；
Step 3, the biomass material mixing sprills of step 1 are added the solution containing 4-6 parts of sodium hydroxide pre-process after, with step
Rapid 2 additive powder is uniformly mixed, and is sent into single lead screw ex truding briquetting machine, and extrusion forming is cylindrical particle, dry, discharging.
3. the preparation method of the high biomass fuel pellet of caking ability according to claim 2, which is characterized in that the step
Drying temperature in rapid 1 is 90~120 DEG C.
4. the preparation method of the high biomass fuel pellet of caking ability according to claim 2, which is characterized in that the step
The grain size of the additive powder obtained after being sufficiently mixed in rapid 2 is 50-100 mesh.
5. the preparation method of the high biomass fuel pellet of caking ability according to claim 2, which is characterized in that the step
Contoured squeeze power in rapid 3 is 10MPa-14MPa.
6. the preparation method of the high biomass fuel pellet of caking ability according to claim 2, which is characterized in that the step
A diameter of 6-8mm of the cylindrical particle obtained in rapid 3, length 10-18cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810359938.0A CN108531235A (en) | 2018-04-20 | 2018-04-20 | A kind of biomass granule fuel and preparation method thereof that caking ability is high |
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| CN201810359938.0A CN108531235A (en) | 2018-04-20 | 2018-04-20 | A kind of biomass granule fuel and preparation method thereof that caking ability is high |
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| CN106118785A (en) * | 2016-06-23 | 2016-11-16 | 张庆春 | A kind of combustion-supporting type biomass molding fuel of high security |
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2018
- 2018-04-20 CN CN201810359938.0A patent/CN108531235A/en active Pending
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| KR20160018233A (en) * | 2014-08-08 | 2016-02-17 | 나용훈 | Method for manufacturing solid fuel using coffee grounds |
| CN104403714A (en) * | 2014-10-28 | 2015-03-11 | 惠州市拓丰实业有限公司 | Waterproof type biomass briquette and preparation method thereof |
| CN105018172A (en) * | 2015-08-05 | 2015-11-04 | 曾娘荣 | Preparation method for combustion-supporting biomass briquette |
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