CN109207224A - A kind of preparation method preparing efficient biomass fuel using graphene - Google Patents
A kind of preparation method preparing efficient biomass fuel using graphene Download PDFInfo
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- CN109207224A CN109207224A CN201811144439.6A CN201811144439A CN109207224A CN 109207224 A CN109207224 A CN 109207224A CN 201811144439 A CN201811144439 A CN 201811144439A CN 109207224 A CN109207224 A CN 109207224A
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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
- C10L5/447—Carbonized vegetable substances, e.g. charcoal, or produced by hydrothermal carbonization of biomass
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Agronomy & Crop Science (AREA)
- Sustainable Development (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a kind of preparation methods that efficient biomass fuel is prepared using graphene, the following steps are included: step 1,26-28 parts of modified graphene powder are added to progress ultrasonic disperse 15-25min in 20 parts of tetrahydrofurans and 80 portions of dehydrated alcohol mixed liquors, 34-38 parts of pretreatment base-materials, 6-12 parts of algae-lysing microorganism particles are then added thereto, speed of agitator rises to 75-85r/min, stir 35-45min, then add 3-5 parts of oleic acid, 2-4 parts of rosin, continue to stir 15-25min to get premix.A kind of preparation method preparing efficient biomass fuel using graphene of the invention, the biomass fuel is using graphene as base-material, other auxiliary materials of arranging in pairs or groups, after study, combustibility and stability significantly improve.
Description
Technical field
The present invention relates to biomass fuel preparation technical fields, and in particular to a kind of to prepare efficient biomass using graphene
The preparation method of fuel.
Background technique
Biomass fuel refers to biological material burning as fuel, generally mainly agriculture and forestry organic waste material, the main distinction
In fossil fuel, in current national policy and environmental protection standard, direct biomass burning belongs to high pollution fuel, only in rural area
Brick kitchen range in use, do not allow to use in city, the application of biomass fuel, be passed through using agricultural waste as raw material
The techniques such as crushing, mixing, extruding, drying, are made various moldings (such as bulk, graininess), and the one kind that can directly burn is novel
Clean fuel.
Existing Chinese patent literature (notification number: CN105132066A) discloses a kind of biomass fuel preparation method for material, step
Rapid as follows: the straw after acquisition is carried out natural drying, dries rear cutting and grinding by 1) herborization stalk；2) by stalk
Powder is dried to moisture content within 25%, then is modified processing to stalk powder, and it is stand-by that modified straw powder is made；3)
It is matched by the component of following parts by weight: 85 parts of modified straw powder, 3 parts of calcined kaolin micro mist, 2 parts of ooze, Hai Pao
2 parts of aminanthine, 1 part of aluminium oxide, 2 parts of baccy fiber element, 2 parts of modified corn starch, 1.5 parts of antioxidant, linearly gathers 5 parts of carbon fiber
0.5 part of ethylene, 0.4 part of silane coupling agent, 0.2 part of ammonium chloride, 0.5 part of dimethicone, 0.3 part of styrene monomer, polyethylene
0.3 part of glycol, 2 parts of stabilizer；4) material in step 3) is put into molding machine, extrusion forming, the biomass fuel combustion
Performance is good, but uses raw material for this field conventional raw material, and performance is poor, therefore the present invention is innovated, and makes the performance of fuel more
It is excellent.
Existing Chinese patent literature (publication number: CN105132066A) discloses a kind of biomass fuel preparation method for material, should
Compound biomass granular fuel be made of fuel matrix, graphene and coconut shell powder, fuel matrix therein be with wheat straw,
What sawdust, corncob, peanut shell, straw, rice husk, oil tea shell and cotton seed hulls were prepared as a raw material, though the fuel contains graphite
Alkene, but graphene is only auxiliary material, and performance is not best.
Summary of the invention
In view of the drawbacks of the prior art, efficient biomass fuel is prepared using graphene the object of the present invention is to provide a kind of
Preparation method, the biomass fuel is using graphene as base-material, other auxiliary materials of arranging in pairs or groups, after study, combustibility and steady
It is qualitative to significantly improve.
The present invention solves technical problem and adopts the following technical scheme that
The present invention provides a kind of preparation methods that efficient biomass fuel is prepared using graphene, comprising the following steps:
26-28 parts of modified graphene powder are added in 20 parts of tetrahydrofurans and 80 portions of dehydrated alcohol mixed liquors by step 1
Ultrasonic disperse 15-25min is carried out, 34-38 parts of pretreatment base-materials, 6-12 parts of algae-lysing microorganism particles are then added thereto, stir
It mixes revolving speed and rises to 75-85r/min, stir 35-45min, then add 3-5 parts of oleic acid, 2-4 parts of rosin, continue to stir 15-
25min is to get premix；
Step 2 mixes the premix in step 1,2-5 parts of potassium chlorate, 1-4 parts of manganese oxide, and speed of agitator is
235-245r/min is stirred 35-45min, is then centrifuged, washs again, then be freeze-dried, finally compressed with 14MPa pressure,
Up to biomass fuel of the invention.
Preferably, the preparation method of the modified graphene powder be by potassium permanganate, high silicon ore according to weight ratio 2:5 into
Row mixing, is subsequently added in double solvents, is heated to being completely dissolved, graphene is then added thereto, surpasses in ice-water bath
Sound disperses 35min, then adds ammonium hydroxide and adjusts pH to 9.0, then reheats reflux, centrifugation, washing, filtering, it is dry to get
Modified graphene powder.
Preferably, the mixture that the double solvents is dehydrated alcohol, triethylamine is formed according to weight ratio 75:25.
Preferably, the heated reflux condition is 85 DEG C of reflux temperature, and flow back 12h.
Preferably, dioxide-containing silica is 85% in the high silicon ore.
Preferably, the pretreatment base-material is wood dust, straw powder is mixed according to weight ratio 3:7, then thereto
Nanometer aluminium powder is added to be sufficiently mixed, obtains mixture A, mixture A, freezing attapulgite are sent into vapor tight tank and are handled,
15-25min is handled, is then recompressed, compression pressure is 12MPa to get pretreatment base-material.
Preferably, the wood dust, straw powder partial size are respectively 2-5um, 5-9um.
Preferably, the amount of the nanometer aluminium powder is the 8-10% of wood dust, straw powder total amount.
Preferably, the closed pressure inside the tank is 1.6MPa, and temperature is 155 DEG C.
Preferably, the freezing attapulgite treatment conditions are first then to be placed in again at room temperature in -15 DEG C of processing 10min
Place 75-85min.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) modified graphene of the present invention first mixes potassium permanganate, high silicon ore, obtains mixed liquor, under reflux conditions
It is sufficiently mixed again with graphene, potassium permanganate plays booster action in high silicon ore, enhances fuel combustion efficiency, high silicon mine
Dioxide-containing silica is up to 85% in stone, and activity is high, can promote modified graphene and disperses in fuel, and graphene has two dimension knot
Structure, can promote the performances such as fuel stabilization, efficiency of combustion, and pretreatment base-material is wood dust, straw powder by a series of processing, enhancing
The efficiency of combustion of fuel.
(2) it is obtained from embodiment 3 and comparative example 1-4, calorific value embodiment 3 of the present invention is that measured value improves relative to comparative example 4
159Kcal/Kg, measurement improves 259Kcal/Kg after January, and efficiency of combustion is that measured value improves relative to comparative example 4
2.4%, measurement improves 6.1% after January, it is known that the embodiment of the present invention 3 relative to comparative example 4, calorific value, efficiency of combustion are stablized
Property be significantly improved, in addition, the pleasantly surprised discovery of the present invention, concave convex rod after freezing, to the calorific value of biomass fuel with
And efficiency of combustion have significantly improve.
Specific embodiment
Combined with specific embodiments below, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1.
A kind of preparation method preparing efficient biomass fuel using graphene of the present embodiment, comprising the following steps:
26 parts of modified graphene powder are added in 20 parts of tetrahydrofurans and 80 portions of dehydrated alcohol mixed liquors and carry out by step 1
Ultrasonic disperse 15min, is then added 34 parts of pretreatment base-materials, 6 parts of algae-lysing microorganism particles thereto, and speed of agitator rises to 75r/
Min stirs 35min, then adds 3 parts of oleic acid, 2 parts of rosin, continues to stir 15min to get premix, wherein modified graphite
The preparation method of alkene powder be potassium permanganate, high silicon ore are mixed according to weight ratio 2:5, be subsequently added to dehydrated alcohol,
In the mixture that triethylamine is formed according to weight ratio 75:25, it is heated to being completely dissolved, graphene is then added thereto, in ice
Ultrasonic disperse 35min in water-bath then adds ammonium hydroxide and adjusts pH to 9.0, then reheats reflux, 85 DEG C of reflux temperature, returns
12h is flowed, to get modified graphene powder, pretreatment base-material is wood dust, straw powder according to weight for centrifugation, washing, filtering, drying
It is mixed than 3:7, nanometer aluminium powder is then added thereto and is sufficiently mixed, obtains mixture A, by mixture A, freezing concave convex rod
Soil is sent into vapor tight tank and is handled, and handles 15min, then recompresses, and compression pressure is 12MPa to get pretreatment base-material；
Step 2 mixes the premix in step 1,2 parts of potassium chlorate, 1 part of manganese oxide, speed of agitator 235r/
Min is stirred 35min, is then centrifuged, washs again, then be freeze-dried, finally compressed with 14MPa pressure to get of the invention
Biomass fuel.
Dioxide-containing silica is 85% in the high silicon ore of the present embodiment.
The wood dust, straw powder partial size of the present embodiment are respectively 2um, 5um.
The amount of the nanometer aluminium powder of the present embodiment be wood dust, straw powder total amount 8%.
The closed pressure inside the tank of the present embodiment is 1.6MPa, and temperature is 155 DEG C.
The freezing attapulgite treatment conditions of the present embodiment are first then to be placed in room temperature decentralization again in -15 DEG C of processing 10min
Set 75min.
Embodiment 2.
A kind of preparation method preparing efficient biomass fuel using graphene of the present embodiment, comprising the following steps:
28 parts of modified graphene powder are added in 20 parts of tetrahydrofurans and 80 portions of dehydrated alcohol mixed liquors and carry out by step 1
Ultrasonic disperse 25min, is then added 38 parts of pretreatment base-materials, 12 parts of algae-lysing microorganism particles thereto, and speed of agitator rises to
85r/min stirs 45min, then adds 5 parts of oleic acid, 4 parts of rosin, continues to stir 25min to get premix, wherein being modified
The preparation method of Graphene powder is to mix potassium permanganate, high silicon ore according to weight ratio 2:5, is subsequently added to anhydrous second
In the mixture that alcohol, triethylamine are formed according to weight ratio 75:25, it is heated to being completely dissolved, graphene is then added thereto,
Ultrasonic disperse 35min in ice-water bath then adds ammonium hydroxide and adjusts pH to 9.0, then reheats and flow back, and 85 DEG C of reflux temperature,
Flow back 12h, and to get modified graphene powder, pretreatment base-material is wood dust, straw powder according to weight for centrifugation, washing, filtering, drying
Amount is mixed than 3:7, and nanometer aluminium powder is then added thereto and is sufficiently mixed, obtains mixture A, and mixture A, freezing is concave-convex
Stick soil is sent into vapor tight tank and is handled, and handles 25min, then recompresses, and compression pressure is 12MPa to get pretreatment base-material；
Step 2 mixes the premix in step 1,5 parts of potassium chlorate, 4 parts of manganese oxide, speed of agitator 245r/
Min is stirred 45min, is then centrifuged, washs again, then be freeze-dried, finally compressed with 14MPa pressure to get of the invention
Biomass fuel.
Dioxide-containing silica is 85% in the high silicon ore of the present embodiment.
The wood dust, straw powder partial size of the present embodiment are respectively 5um, 9um.
The amount of the nanometer aluminium powder of the present embodiment be wood dust, straw powder total amount 10%.
The closed pressure inside the tank of the present embodiment is 1.6MPa, and temperature is 155 DEG C.
The freezing attapulgite treatment conditions of the present embodiment are first then to be placed in room temperature decentralization again in -15 DEG C of processing 10min
Set 75-85min.
Embodiment 3.
A kind of preparation method preparing efficient biomass fuel using graphene of the present embodiment, comprising the following steps:
27 parts of modified graphene powder are added in 20 parts of tetrahydrofurans and 80 portions of dehydrated alcohol mixed liquors and carry out by step 1
Ultrasonic disperse 20min, is then added 36 parts of pretreatment base-materials, 10 parts of algae-lysing microorganism particles thereto, and speed of agitator rises to
80r/min stirs 40min, then adds 4 parts of oleic acid, 3 parts of rosin, continues to stir 20min to get premix, wherein being modified
The preparation method of Graphene powder is to mix potassium permanganate, high silicon ore according to weight ratio 2:5, is subsequently added to anhydrous second
In the mixture that alcohol, triethylamine are formed according to weight ratio 75:25, it is heated to being completely dissolved, graphene is then added thereto,
Ultrasonic disperse 35min in ice-water bath then adds ammonium hydroxide and adjusts pH to 9.0, then reheats and flow back, and 85 DEG C of reflux temperature,
Flow back 12h, and to get modified graphene powder, pretreatment base-material is wood dust, straw powder according to weight for centrifugation, washing, filtering, drying
Amount is mixed than 3:7, and nanometer aluminium powder is then added thereto and is sufficiently mixed, obtains mixture A, and mixture A, freezing is concave-convex
Stick soil is sent into vapor tight tank and is handled, and handles 20min, then recompresses, and compression pressure is 12MPa to get pretreatment base-material；
Step 2 mixes the premix in step 1,3.5 parts of potassium chlorate, 2.5 parts of manganese oxide, and speed of agitator is
240r/min stirs 40min, is then centrifuged, washs again, then be freeze-dried, and is finally compressed with 14MPa pressure to get this
The biomass fuel of invention.
Dioxide-containing silica is 85% in the high silicon ore of the present embodiment.
The wood dust, straw powder partial size of the present embodiment are respectively 3.5um, 7um.
The amount of the nanometer aluminium powder of the present embodiment be wood dust, straw powder total amount 9%.
The closed pressure inside the tank of the present embodiment is 1.6MPa, and temperature is 155 DEG C.
The freezing attapulgite treatment conditions of the present embodiment are first then to be placed in room temperature decentralization again in -15 DEG C of processing 10min
Set 80min.
Comparative example 1.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that will freezing bumps in pretreatment base-material
Stick is changed to conventional concave convex rod.
Comparative example 2.
It is essentially identical with the material and preparation process of embodiment 3, it has only the difference is that pretreatment base-material is not in vapor tight tank
Processing.
Comparative example 3.
It is essentially identical with the material and preparation process of embodiment 3, it has only in the difference is that graphene is modified and is not added with high silicon
Ore.
Comparative example 4.
It is disclosed using Chinese patent literature (notification number: CN105132066A) real in a kind of biomass fuel preparation method for material
Apply the raw material and method of example 2.
Embodiment 3 and comparative example 1-4 the performance test results are as follows
It is obtained from embodiment 3 and comparative example 1-4, calorific value embodiment 3 of the present invention is that measured value improves relative to comparative example 4
159Kcal/Kg, measurement improves 259Kcal/Kg after January, and efficiency of combustion is that measured value improves 2.4%, 1 relative to comparative example 4
Measurement improves 6.1% after month, it is known that the embodiment of the present invention 3 relative to comparative example 4, calorific value, efficiency of combustion stability are obtained
Significant to improve, in addition, the discovery that the present invention is pleasantly surprised, concave convex rod is after freezing, calorific value and burning to biomass fuel
Efficiency, which has, to be significantly improved.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. a kind of preparation method for preparing efficient biomass fuel using graphene, which comprises the following steps:
26-28 parts of modified graphene powder are added in 20 parts of tetrahydrofurans and 80 portions of dehydrated alcohol mixed liquors and carry out by step 1
Ultrasonic disperse 15-25min, is then added 34-38 parts of pretreatment base-materials, 6-12 parts of algae-lysing microorganism particles thereto, and stirring turns
Speed rises to 75-85r/min, stirs 35-45min, then adds 3-5 parts of oleic acid, 2-4 parts of rosin, continues to stir 15-25min,
Up to premix；
Step 2 mixes the premix in step 1,2-5 parts of potassium chlorate, 1-4 parts of manganese oxide, speed of agitator 235-
245r/min, stir 35-45min, be then centrifuged, wash again, then be freeze-dried, finally with 14MPa pressure compressed to get
Biomass fuel of the invention.
2. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 1, feature are existed
In the preparation method of the modified graphene powder is to mix potassium permanganate, high silicon ore according to weight ratio 2:5, then
It is added in double solvents, is heated to being completely dissolved, graphene is then added thereto, the ultrasonic disperse 35min in ice-water bath,
It then adds ammonium hydroxide and adjusts pH to 9.0, then reheating reflux, centrifugation, washing, filtering, drying are to get modified graphene
Powder.
3. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 2, feature are existed
In the mixture that the double solvents is dehydrated alcohol, triethylamine is formed according to weight ratio 75:25.
4. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 2, feature are existed
In the heated reflux condition is 85 DEG C of reflux temperature, and flow back 12h.
5. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 2, feature are existed
In dioxide-containing silica is 85% in the high silicon ore.
6. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 1, feature are existed
In the pretreatment base-material is wood dust, straw powder is mixed according to weight ratio 3:7, and nanometer aluminium powder is then added thereto
It is sufficiently mixed, obtains mixture A, mixture A, freezing attapulgite are sent into vapor tight tank and are handled, 15-25min is handled,
Then recompression, compression pressure are 12MPa to get pretreatment base-material.
7. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 6, feature are existed
In the wood dust, straw powder partial size are respectively 2-5um, 5-9um.
8. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 6, feature are existed
In the amount of the nanometer aluminium powder is the 8-10% of wood dust, straw powder total amount.
9. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 6, feature are existed
In the closed pressure inside the tank is 1.6MPa, and temperature is 155 DEG C.
10. a kind of preparation method for being prepared efficient biomass fuel using graphene according to claim 6, feature are existed
In the freezing attapulgite treatment conditions are first then to be placed in again in -15 DEG C of processing 10min and place 75-85min at room temperature.
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| CN201811144439.6A CN109207224A (en) | 2018-09-29 | 2018-09-29 | A kind of preparation method preparing efficient biomass fuel using graphene |
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Cited By (1)
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Application publication date: 20190115 |