CN106479592A - Agriculture charcoal shaped granule fuel of nanometer and preparation method thereof - Google Patents
Agriculture charcoal shaped granule fuel of nanometer and preparation method thereof Download PDFInfo
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- CN106479592A CN106479592A CN201611032112.0A CN201611032112A CN106479592A CN 106479592 A CN106479592 A CN 106479592A CN 201611032112 A CN201611032112 A CN 201611032112A CN 106479592 A CN106479592 A CN 106479592A
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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
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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
- C10L5/442—Wood or forestry waste
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- 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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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
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- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Agronomy & Crop Science (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a kind of nanometer agricultural charcoal shaped granule fuel and preparation method thereof, belongs to biomass energy conversion art.The nanometer agricultural charcoal shaped granule fuel of the present invention is a kind of with nano biological matter powder or nanometer agricultural carbon powder as the granular fuel of raw material compression forming, in addition, the present invention also provides the preparation method of a kind of nanometer of agriculture charcoal shaped granule fuel, comprises the following steps：Step 1：Agriculture and forestry organic waste material is crushed, is rinsed and dries；Step 2：Nano biological matter powder is obtained after the living beings that step 1 is obtained are crushed repeatedly, ground, sieving；Step 3：The nano biological matter powder compression forming that step 2 is obtained；Step 4：The nano biological matter shaped granule fuel that step 3 is obtained carries out temperature control charing and obtains nanometer agricultural charcoal shaped granule fuel.The present invention has the high advantage such as more environmentally friendly of, calorific value bigger than common agricultural carbon granular fuel energy density.
Description
Technical field
The invention belongs to biomass energy conversion art, refers in particular to a kind of nanometer agricultural charcoal shaped granule fuel and its preparation
Method.
Background technology
21 century faces serious energy crisis, and fossil energy is the main energy that the whole world consumes at present, but with the mankind
Continuous exploitation, the exhaustion of fossil energy is inevitable, and most of fossil energy will be produced totally.Find and replace fossil
The novel energy of the energy becomes current one big main task.Therefore, exploitation renewable new energy is the main flow direction of Future Development.
Bioenergy is a kind of reproducible new green power, and the research and development of bioenergy technology have become the world
One of great heat subject, is paid close attention to by countries in the world government and scientist.Since the eighties in 20th century, Chinese Government is always
The research of bioenergy technology and application are classified as emphasis key scientific and technological projects, carry out the research of different bioenergy new technologies
And exploitation.
Biomass fuel refers to that by biological material mainly agriculture and forestry organic waste material, as fuel, is a kind of Novel clean energy
Source fuel.Biological material is mainly crushed by biomass molding fuel, recompression shaping.It has fuel value height and (generally exists
3900～4800kcal/kg or so), small volume, density is big, be readily transported, store and use；Due to the usual sulfur-bearing of living beings
Phosphorus is few, and during burning, generation pernicious gas is few, pollutes little；And after burning, lime-ash is few, is alternatively arranged as fertilizer also field；Biomass moulding
Fuel is a kind of reproducible novel green bioenergy, and a kind of clean fuel, and it can alleviate environment to a certain extent
Pollution and problem of energy crisis.
Biomass molding fuel there is also that ash content is many, cigarette is many, energy density is low, fuel value is low, burning time is short, have pollution
Etc. defect, report that shaped fuel, mainly by adding chemical adhesive etc. come curing molding, is easily caused environmental pollution, these are difficult
Topic causes it is difficult to substitute various coal fuel (, in 5500kcal/kg, standard coal is in 7000kcal/kg for generally common coal), satisfaction is existing
Demand for market.
Agriculture charcoal referred to agriculture and forestry organic waste material as raw material, the class infusibility formed after being pyrolyzed under anaerobic environment
, stable, height aromatization, rich in charcoal element, be similar to charcoal solid matter.And agriculture and forestry organic waste material is agricultural
The defective work that production, processing of farm products and urban residents life is discharged, mainly includes farming, forestry, husbandary and fishing production or process
Animal-plant kind remnants discarded object such as stalk, weeds, fallen leaves, fruit shell, branch, edible fungi substrate, livestock and the family of middle generation
The living beings such as poultry manure.Agriculture charcoal is generally developed by charcoal, generally has high fuel value (generally 5000 as fuel
～8000kcal/kg), carbon content is high, and ash content is low, and cigarette is few, and energy density is high, and pollution-free or low, burning time length of pollution etc. is excellent
Gesture.Therefore, agriculture charcoal fuel has more the advantage for substituting various coal fuel, and the agriculture charcoal fuel of compression forming is more easy to storage
And transport, burning time is longer, can be used for rural area, cities and towns, unit and family etc. cook, warm oneself, bathing, the ideal of burning boiler etc.
Fuel, and the good fuel that Bricks and Tiles Plant, power plant, smelting chemical and potler fire etc. so as to huge economy and society
Benefit and market potential.However, the shaping of agriculture charcoal fuel is but seldom paid close attention to and studied, biomass molding fuel and coal is can not show a candle to
Fuel.
Content of the invention
Nanometer agricultural charcoal shaped granule fuel and preparation method thereof that the present invention is provided, with energy density big, calorific value is high,
The features such as storage convenient transportation, solve that biological substance shaped granule fuel ash is many, carbon content is low, cigarette is many, energy density is low, fire
Burning value is low, the problems such as have pollution.
For solving above-mentioned technical problem, it is as follows that the present invention provides technical scheme：
A kind of nanometer agricultural charcoal shaped granule fuel, be with nano biological matter powder or nanometer agricultural carbon powder as raw material pressure
Shorten the granular fuel of type into..
In addition, the present invention also provides the preparation method of a kind of nanometer of agriculture charcoal shaped granule fuel, comprise the following steps：
Step 1：Agriculture and forestry organic waste material is crushed, is rinsed and dries；
Step 2：Obtain a size of 50-500nm's after the living beings that step 1 is obtained are crushed repeatedly, ground, sieving
Powdered biomass；
Step 3：The nano biological matter powder compression forming that step 2 is obtained；
Step 4：The nano biological matter shaped granule fuel that step 3 is obtained carry out temperature control charing obtain nanometer agricultural charcoal become
Type granular fuel.
Wherein, the living beings of the step 1 are wood chip, bamboo scraps, branch, bamboo branch, crop material, crop shell class, grain shell
One or more in the agriculture and forestry organic waste materials such as class.
It it is 50-80 DEG C for baking temperature in the step 1, dried living beings water content is 10-25%.
In order to reach more preferable compression effectiveness, in the step 3 process of compression forming be in temperature control compression forming instrument
Carry out in mould, the pressure of compression is 10-30MPa, and temperature is 80-300 DEG C, and the retention time is 30-60min.
In order to reach more preferable charred effect, the temperature carbonized in the step 4 is 300-800 DEG C, and the retention time is 1-
4h, the process of the charing in this step are carried out in temperature control retort, are full of protective gas, protective gas in the retort
For nitrogen etc..
For step 3 and step 4, can exchange, the nanometer agricultural charcoal shaped granule fuel of the present invention can be obtained.
The invention has the advantages that：
The nanometer agricultural charcoal shaped granule fuel of the present invention have storage convenient transportation, the energy density higher than standard coal,
The advantages of calorific value, carbon content and burning time and the cigarette less than standard coal, ash content, and be full biomass (without the need for any chemistry
Additive), compression forming is adjusted merely by nano biological matter (agriculture charcoal) powder moisture or/and mixing nano biological matter (agriculture
Industry charcoal) powder proportions.As a kind of high-quality agricultural charcoal shaped granule energy fuel, alternative coal fuel, living beings
Grain fuel novel green bioenergy fuel, can be used for rural area, cities and towns, unit and family etc. cook, warm oneself, bathing, enamelware pot
Stove etc., it is also possible to the fuel of Bricks and Tiles Plant, power plant, smelting chemical and potler firing etc., or even export the new of developed country
Energy fuel.
Description of the drawings
Fig. 1 is the mistake that the first compression forming of the nanometer agricultural charcoal shaped granule fuel of the present invention and preparation method thereof is carbonized again
Journey, Fig. 1 (a) are the nano biological matter powder after crushing, and Fig. 1 (b) is the biological particles of compression forming, after Fig. 1 (c) is for charing
Shaping agricultural charcoal particle；
Fig. 2 is the mistake of the first charing recompression shaping of the nanometer agricultural charcoal shaped granule fuel of the present invention and preparation method thereof
Journey, Fig. 2 (a) are the nano biological matter powder after crushing, and Fig. 2 (b) is the nanometer agricultural carbon powder after charing, and Fig. 2 (c) is compression
The nanometer agricultural charcoal particle of shaping；
Fig. 3 is that the first compression forming of the nanometer agricultural charcoal shaped granule fuel of the present invention and preparation method thereof is carbonized again
During carbonize after the agriculture charcoal particle of shaping ESEM (SEM) figure；
Specific embodiment
The invention provides a kind of nanometer agricultural charcoal shaped granule fuel and preparation method thereof, for make the purpose of the present invention,
Technical scheme and effect clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that described herein
Specific embodiment is not intended to limit the present invention only in order to explain the present invention.
Embodiment 1
Step 1：By taking forestry waste living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 80 DEG C, make living beings water content control
Make 10%；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the mould of temperature control compression forming instrument, is 150 DEG C in temperature,
Pressure obtains being molded living beings after keeping 30min for being compressed under 15MPa effect；
Step 4：The nano biological matter shaped granule for obtaining is placed in the retort full of nitrogen, protect at 300 DEG C
Hold 2h fully to crack, cooling obtains final product nanometer agricultural charcoal shaped granule fuel.
Embodiment 2
Step 1：By taking forestry waste living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 50 DEG C, make living beings water content control
Make 15%；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the mould of temperature control compression forming instrument, is 300 DEG C in temperature,
Pressure obtains being molded living beings after keeping 60min for being compressed under 30MPa effect；
Step 4：The nano biological matter shaped granule for obtaining is placed in the retort full of nitrogen, protect at 800 DEG C
Hold 4h fully to crack, cooling obtains final product nanometer agricultural charcoal shaped granule fuel.
Embodiment 3
Step 1：By taking agricultural wastes living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 50 DEG C, make living beings water content control
Make 20%；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the mould of temperature control compression forming instrument, is 80 DEG C in temperature,
Pressure obtains being molded living beings after keeping 20min for being compressed under 10MPa effect；
Step 4：The nano biological matter shaped granule for obtaining is placed in the retort full of nitrogen, protect at 200 DEG C
Hold 1h fully to crack, cooling obtains final product nanometer agricultural charcoal shaped granule fuel.
Embodiment 4
Step 1：By taking agricultural wastes living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 80 DEG C, make living beings water content control
Make 25%；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the mould of temperature control compression forming instrument, is 150 DEG C in temperature,
Pressure obtains being molded living beings after keeping 40min for being compressed under 20MPa effect；
Step 4：The nano biological matter shaped granule for obtaining is placed in the retort full of nitrogen, protect at 400 DEG C
Hold 2h fully to crack, cooling obtains final product nanometer agricultural charcoal shaped granule fuel.
Embodiment 5
Step 1：By taking the mixing biomass of forestry waste and agricultural wastes as an example, bulk biomass powder is broken into fritter
Living beings (diameter or length are less than 2cm), then rinse repeatedly the impurity such as surface dust with water, finally do at a temperature of 50 DEG C
Dry, living beings water content control is made 10%；
Step 2：Dried living beings are continuously ground into powder repeatedly, and granular size are sifted out for nano level biology
Matter powder；
Step 3：Nano biological matter powder is added in the mould of temperature control compression forming instrument, is 150 DEG C in temperature,
Pressure obtains being molded living beings after keeping 30min for being compressed under 15MPa effect；
Step 4：The nano biological matter shaped granule for obtaining is placed in the retort full of nitrogen, protect at 300 DEG C
Hold 2h fully to crack, cooling obtains final product nanometer agricultural charcoal shaped granule fuel.
Embodiment 6
Step 1：By taking the mixing biomass of forestry waste and agricultural wastes as an example, bulk biomass powder is broken into fritter
Living beings (diameter or length are less than 2cm), then rinse repeatedly the impurity such as surface dust with water, finally do at a temperature of 80 DEG C
Dry.Living beings water content control is made 25%；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the mould of temperature control compression forming instrument, is 300 DEG C in temperature,
Pressure obtains being molded living beings after keeping 60min for being compressed under 30MPa effect；
Step 4：The nano biological matter shaped granule for obtaining is placed in the retort full of nitrogen, protect at 800 DEG C
Hold 4h fully to crack, cooling obtains final product nanometer agricultural charcoal shaped granule fuel.
Embodiment 7
Step 1：By taking forestry waste living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 50 DEG C；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the retort full of nitrogen, at 300 DEG C, keeps 2h fully to split
Solution, cooling obtain nanometer agricultural carbon powder；
Step 4：The nanometer agricultural carbon powder that step 3 is obtained and water mix by a certain percentage, make living beings water content control
System is added in the mould of temperature control compression forming instrument after placing 2 days 10%, is 150 DEG C in temperature, and pressure is
It is compressed under 15MPa effect, after keeping 30min, obtains nanometer agricultural charcoal shaped granule fuel.
Embodiment 8
Step 1：By taking forestry waste living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 80 DEG C；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and granular size are sifted out for nanoscale
Powdered biomass；
Step 3：Nano biological matter powder is added in the retort full of nitrogen, at 800 DEG C, keeps 4h fully to split
Solution, cooling obtain agriculture carbon powder；
Step 4：The agriculture carbon powder that step 3 is obtained and water mix by a certain percentage, so that living beings water content control is existed
15%, it is added in the mould of temperature control compression forming instrument after placing 5 days, is 300 DEG C in temperature, pressure is 30MPa
It is compressed under effect, after keeping 60min, obtains agriculture charcoal shaped granule fuel.
Embodiment 9
Step 1：By taking agricultural wastes living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 50 DEG C；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the retort full of nitrogen, at 200 DEG C, keeps 1h fully to split
Solution, cooling obtain nanometer agricultural carbon powder；
Step 4：The nanometer agricultural carbon powder that step 3 is obtained and water mix by a certain percentage, make living beings water content control
System is added in the mould of temperature control compression forming instrument after placing 1 day 20%, is 80 DEG C in temperature, and pressure is
It is compressed under 15MPa effect, after keeping 30min, obtains agriculture charcoal shaped granule fuel.
Embodiment 10
Step 1：By taking agricultural wastes living beings as an example, bulk biomass powder is broken into fritter living beings (diameter or length
Less than 2cm), then the impurity such as surface dust are rinsed repeatedly with water, finally dry at a temperature of 80 DEG C；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the retort full of nitrogen, at 400 DEG C, keeps 2h fully to split
Solution, cooling obtain nanometer agricultural carbon powder；
Step 4：The agriculture carbon powder that step 3 is obtained and water mix by a certain percentage, so that living beings water content control is existed
25%, it is added in the mould of temperature control compression forming instrument after placing 5 days, is 100 DEG C in temperature, pressure is 30MPa
It is compressed under effect, after keeping 60min, obtains nanometer agricultural charcoal shaped granule fuel.
Embodiment 11
Step 1：By taking the mixing biomass of forestry waste and agricultural wastes as an example, bulk biomass powder is broken into fritter
Living beings (diameter or length are less than 2cm), then rinse repeatedly the impurity such as surface dust with water, finally do at a temperature of 80 DEG C
Dry；
Step 2：Dried living beings are continuously ground into powder repeatedly, and granular size are sifted out for nano level biology
Matter powder；
Step 3：Nano biological matter powder is added in the retort full of nitrogen, at 300 DEG C, keeps 2h fully to split
Solution, cooling obtain agriculture carbon powder；
Step 4：The agriculture carbon powder that step 3 is obtained and water mix by a certain percentage, are added to temperature after placing 1 day
In the mould of control compression forming instrument, it is 80 DEG C in temperature, pressure is obtained after keeping 30min for being compressed under 15MPa effect
To agriculture charcoal shaped granule fuel.
Embodiment 12
Step 1：By taking the mixing biomass of forestry waste and agricultural wastes as an example, bulk biomass powder is broken into fritter
Living beings (diameter or length are less than 2cm), then rinse repeatedly the impurity such as surface dust with water, finally do at a temperature of 100 DEG C
Dry；
Step 2：Dried living beings are continuously crushed and grind into powder repeatedly, and size are sifted out for nano level life
Material powder；
Step 3：Nano biological matter powder is added in the retort full of nitrogen, at 600 DEG C, keeps 3h fully to split
Solution, cooling obtain nanometer agricultural carbon powder；
Step 4：The nanometer agricultural carbon powder that step 3 is obtained and water mix by a certain percentage, are added after placing 1 day
To in the mould of temperature control compression forming instrument, it is 100 DEG C in temperature, pressure is kept for being compressed under 60MPa effect
Nanometer agricultural charcoal shaped granule fuel is obtained after 60min.
Above-mentioned living beings are discarded for the agricultural such as wood chip, bamboo scraps, branch, bamboo branch, crop material, crop shell class, grain shell class
One or more in thing, such as forestry waste cryptomeria, mao bamboon etc. and agricultural wastes rice straw, peanut shell etc..
Above-mentioned living beings are compressed in the step of being molded and carbonize, the temperature of shaping, pressure and time；The temperature of cracking
Degree and time generally depend on the demand of the characteristic of living beings itself and agriculture charcoal practical application.
Nanometer agricultural charcoal shaped granule fuel prepared by the method for embodiment 1-2, after its compression forming, intensity, hardness and
Plasticity preferably, and is more easy to transport for long-distance and stores；And due to high content of lignin, its energy density, phosphorus content, heat
Value, ash content, cigarette, burning time are superior to embodiment 3-6, are a kind of common coals of replacement for the renewable honest and clean of factory, enterprise etc.
Valency agricultural charcoal shaped granule fuel；Compress and crack the HTHP nanometer agricultural carbon granular fuel for obtaining at high temperature under high pressure,
Although its yield relative drop (agriculture carbon yield is relevant with temperature), but still it is a kind of fat coal that substitutes for some particular row
Industry, or even high-quality high-quality agricultural charcoal shaped granule fuel (phosphorus content height (more than 90%), the calorific value height of outlet developed country
(more than 7500kcal/kg), ash content few (less than 2.5%)).
Nanometer agricultural charcoal shaped granule fuel prepared by the method for embodiment 3-4, after its compression forming, intensity, hardness, modeling
Property be all weaker than nanometer agricultural charcoal shaped granule fuel prepared by the forestry waste of embodiment 1-2；Due to cellulose or half fibre
Dimension cellulose content is high, and carbonization temperature and typed pressure are lower with respect to embodiment 1-2, therefore, its energy density, calorific value, ash content,
The combustion characteristics of the nanometer agricultural charcoal shaped granule fuel that the combustion characteristics such as cigarette, burning time are all prepared than forestry waste is poor,
But the duration of ignition is short, still can be used for rural area, cities and towns, unit and family etc. as conventional fuel, compress at high temperature under high pressure and split
The HTHP nanometer agricultural charcoal that solution is obtained can also be applied to factory, enterprise etc., and (phosphorus content height (more than 80%), calorific value are high
(more than 5500kcal/kg), ash content few (less than 10%)).
Nanometer agricultural charcoal shaped granule fuel prepared by the method for embodiment 5-6, after its compression forming, intensity, hardness, modeling
Property, including the combustion characteristics such as energy density, calorific value, ash content, cigarette, burning time all between embodiment 1-2 and embodiment 3-4 it
Between；Its advantage is can to solve the difficult pressure of part biological matter during compression forming by adjusting mixing nano biological matter powder proportions
Shorten type, cracky into or the problem of slight crack occur, while the duration of ignition is can adjust, improve the utilization rate (mixing of agricultural wastes
Combustion characteristics and shaping strength, hardness, the plasticity of agriculture charcoal fuel based on agricultural wastes can be improved, its range of application is more
Extensively).
Nanometer agricultural charcoal shaped granule fuel prepared by the method for embodiment 7-10, its intensity, hardness, plasticity and shaping effect
Fruit is all more or less the same, and the combustion characteristics of embodiment 7-8 is better than the combustion characteristics of embodiment 9-10.
Nanometer agricultural charcoal shaped granule fuel prepared by the method for embodiment 11-12, advantage are to difficult compression forming
Agriculture carbon powder can be taken the agriculture charcoal mixed proportion of regulation to control；Its intensity, hardness, plasticity and molding effect are superior to implement
Example 7-10, and combustion characteristics is between embodiment 7-8 and embodiment 9-10.
Nanometer agricultural charcoal shaped granule fuel prepared by the method for embodiment 7-12, its intensity, hardness and plasticity and shaping
Effect is all weaker than embodiment 1-6, and its compression forming is mainly by regulation nanometer agricultural carbon powder and ratio and the standing time of water
To control (traditional agriculture charcoal is micron, even millimeter powder, can only be molded) by introducing chemical adhesive；And part is difficult
Compression forming, there is slight crack in cracky, is difficult to transport for long-distance and stores, but is suitable for using on the spot.
Temperature control charing after the preparation of the nanometer agricultural charcoal shaped granule fuel of the present invention can take first temperature control compression forming is split
Solution, can also take temperature control compression forming after first temperature control charing cracking.Compared to later approach, former approach is more easy to prepare height
Quality nanometer agricultural charcoal shaped granule fuel (more easy-formation, not cracky or occur slight crack, with more preferable intensity, hardness and
Plasticity, is more easy to transport for long-distance and stores)；The energy density, fuel value of the nanometer agricultural charcoal shaped granule fuel of the present invention, carbon containing
The combustion characteristics such as amount, ash amount, cigarette, burning time are superior to the combustion characteristics of corresponding biological substance shaped granule fuel, also above
The combustion characteristics of common coal, even standard coal, the nanometer agricultural charcoal shaped granule fuel of the present invention do not introduce external source chemical adhesion
The materials such as agent, are a kind of nanometer energy fuels of full agricultural charcoal composition.The combustion characteristics of the agriculture charcoal shaped granule fuel of nanometer with
Living beings species, cracking temperature, compressive strength and time etc. are closely related.Its fuel mass can adjust temperature control according to user's request
Cracking condition and contractive condition, are a kind of renewable cheap price and excellent quality agricultural charcoal shaped granule fuel.
Each technical characteristic of embodiment described above arbitrarily can be combined, for making description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvement and modification can also be carried out, these improve and modify
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of nanometer agricultural charcoal shaped granule fuel, it is characterised in that be a kind of with nano biological matter powder or nanometer agricultural
Carbon powder is the granular fuel of raw material compression forming.
2. claim 1 nanometer agricultural charcoal shaped granule fuel preparation method, it is characterised in that comprise the following steps：
Step 1：Agriculture and forestry organic waste material is crushed, is rinsed and dries；
Step 2：The a size of biology of 50-500nm is obtained after the living beings that step 1 is obtained are crushed repeatedly, ground, sieving
Matter powder；
Step 3：The nano biological matter powder compression forming that step 2 is obtained；
Step 4：The nanometer pelletized biomass fuel that step 3 is obtained carries out temperature control charing and obtains nanometer agricultural charcoal shaping
Grain fuel.
3. the preparation method of nanometer according to claim 2 agricultural charcoal shaped granule fuel, it is characterised in that the step
1 living beings are the one kind in the agriculture and forestry organic waste material such as wood chip, bamboo scraps, branch, bamboo branch, crop material, crop shell class, grain shell class
Or it is multiple.
4. the preparation method of nanometer according to claim 3 agricultural charcoal shaped granule fuel, it is characterised in that the step
In 1, baking temperature is 50-80 DEG C.
5. the preparation method of nanometer according to claim 4 agricultural charcoal shaped granule fuel, it is characterised in that the step
In 1, dried living beings water content is 10-25%.
6. the preparation method of nanometer according to claim 2 agricultural charcoal shaped granule fuel, it is characterised in that the step
The process of 3 compression formings is carried out in the mould of temperature control compression forming instrument, and its pressure is 10-30MPa, and temperature is 80-
300 DEG C, the retention time is 30-60min.
7. the preparation method of nanometer according to claim 2 agricultural charcoal shaped granule fuel, it is characterised in that the step
The temperature carbonized in 4 is 300-800 DEG C, and the retention time is 1-4h.
8. the preparation method of nanometer according to claim 7 agricultural charcoal shaped granule fuel, it is characterised in that the step
The process carbonized in 4 is carried out in temperature control retort, is full of protective gas in the retort.
9. the preparation method of the agriculture charcoal shaped granule fuel of nanometer according to claim 7 or 8, it is characterised in that described
Protective gas is nitrogen.
10. the preparation method of nanometer according to claim 9 agricultural charcoal shaped granule fuel, it is characterised in that the step
Rapid 3 and step 4 interchangeable.
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| CN111234892A (en) * | 2018-11-29 | 2020-06-05 | 唐山市华亿生物质燃料有限公司 | Biomass granular fuel and preparation method thereof |
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