CN107312581A - The surface additive and its application process of a kind of biomass coal-water slurry - Google Patents
The surface additive and its application process of a kind of biomass coal-water slurry Download PDFInfo
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- 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
- C10L1/00—Liquid carbonaceous fuels
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- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/32—Liquid carbonaceous fuels consisting of coal-oil suspensions or aqueous emulsions or oil emulsions
- C10L1/326—Coal-water suspensions
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- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
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- 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
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- C10L1/198—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid
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- C10L1/00—Liquid carbonaceous fuels
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Abstract
The invention belongs to the surface additive and its application process in COAL-WATER SLURRY TECHNOLOGY field, more particularly to a kind of biomass coal-water slurry, the specifically a kind of surface additive and its application process of stalk water-coal-slurry.The present invention is constituted by ratio of weight and the number of copies including following component：Lignosulfonates：60~85 parts；Polyethylene glycol：5~10 parts；Coal tar：10~30 parts.The present invention significantly reduces the water imbibition of biomass straw powder, pass through the synergy of anion and nonionic surfactant, enhance the hydrophobicity of coal dust and biomass straw powder, the zeta current potentials of coal dust and biomass straw particle surface are improved, and then improve its dispersiveness in water.The biomass straw water-coal-slurry body has preferable mobility, relatively low apparent viscosity and good stability.Surface additive low in raw material price is compounded, easily purchase, while the complex additive simple production process, better performances.
Description
Technical field
The invention belongs to surface additive and its application in COAL-WATER SLURRY TECHNOLOGY field, more particularly to a kind of biomass coal-water slurry
Method, the specifically a kind of surface additive and its application process of stalk water-coal-slurry.
Background technology
China is a large agricultural country, and the annual production of agricultural crop straw is very huge, is used as the low-grade material containing energy, stalk money
Source collects total amount and surpasses 700,000,000 tons every year.Recently as the fast development of China's economic construction, the national demand to all kinds of energy
It is constantly soaring, utilize biomass --- the technology such as stalk direct combustion generates electricity, gasification is developed.Therefore how stalk resource to be entered
The important development direction that one step is efficient, cleaning utilization is field of energy utilization.
China is a coal resources big country, and efficient, the clean utilization technology for greatly developing coal resources meet China's base
This national conditions.COAL-WATER SLURRY TECHNOLOGY is the part of coal in China efficiently, important in clean utilization technology, can as coal cleaning
Burning and the raw material of gasification.It is by 60%-70% coal dust, 30%-40% water and 1% or so chemical addition agent, by certain
Preparation technology process, be it is a kind of efficiently, cleaning Coal-based Liquid Fuel.It can be as oil pipe transportation, storage deposit, pump
It is preferable oil-substituted fuel and gasified raw material to send, be atomized and stablize burning.
Biomass of the present invention refers to the stalk of the crops such as wheat, paddy rice, corn, therefore, how by stalk and water
Coal slurry is efficient, clean utilization technology is combined, and develops a kind of suitable biomass --- the surface additive of stalk water-coal-slurry, and
It is made and meets National Industrial standard --- biomass that water-coal-slurry National Industrial prepares standard GB/T 18855-2002 --- stalk
Water-coal-slurry, to improving China's biomass --- the comprehensive utilization ratio of stalk and the Popularization And Development of COAL-WATER SLURRY TECHNOLOGY have positive work
With.Based on this, I thinks to develop a kind of biomass --- stalk water-coal-slurry and its surface additive are necessary.
The content of the invention
For above-mentioned problems of the prior art, the present invention provide a kind of biomass coal-water slurry surface additive and
Its application process.It is a kind of with preferable mobility, relatively low apparent viscosity and good stability its purpose is to provide
Biomass coal-water slurry surface additive and application process, meet indices and meet《Water-coal-slurry National Industrial prepares standard》
（GB/T 18855-2002）Biomass coal-water slurry.
In order to realize foregoing invention purpose, the present invention is achieved by the following technical solutions：
A kind of surface additive of biomass coal-water slurry, including following component are constituted by ratio of weight and the number of copies：Lignosulfonates：60
~85 parts；Polyethylene glycol：5~10 parts；Coal tar：10~30 parts；Its preparation method is：Lignin is taken by above-mentioned ratio of weight and number
Sulfonate, polyethylene glycol and coal tar, above-mentioned three kinds of components are well mixed, the surface additive of biomass coal-water slurry is produced.
The lignosulfonates include sodium lignin sulfonate or calcium lignosulfonate.
The polyethylene glycol refers to the polymer of α-hydrogen-ω-hydroxyl (oxygen -1,2- second diyl), also known as ethylene glycol polyoxyethylene
Ether, its molecular formula is HO (CH2CH2O) nH, its mean molecule quantity is 2000~6000.
The coal tar refers to naphtalene oil, and naphtalene oil is a kind of polycyclic aromatic hydrocarbon, and molecular formula is C10H8, its mean molecule quantity is
128.18。
A kind of application process of the surface additive of biomass coal-water slurry, comprises the following steps：
Step 1：According to 60%~70% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：30%~
40%, coal dust and biomass powder：60%~70%, the surface additive of biomass coal-water slurry is added to according to parts by weight ratio
It is standby after stirring in water；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Take again
Biomass starting material, passes through 25 DEG C of sunshine or baking oven --- it is dried at 110 DEG C, drying time is 2-240 hours, then is crushed to
75% obtains the butt biomass powder of slurrying by 200 mesh, screening；The butt biomass powder selects powder of straw；Meet dry
The part by weight of based biomass powder and butt coal dust is 1~4:10~50, the biomass refers to the agricultures such as wheat, paddy rice, corn
The stalk of crop；
Step 3：The surface additive consumption of biomass coal-water slurry is the 0.8%~1.2% of butt coal dust weight；By obtained by step 1
In the surface additive of biomass coal-water slurry after adding water, the butt coal dust obtained in step 2 is added, and is stirred continuously, afterwards
Butt biomass powder is added, and is stirred, that is, biomass coal-water slurry is made.
A kind of application process of the surface additive of biomass coal-water slurry, can also be and be made up of following steps：Press
According to 60%~70% slurrying concentration, by the surface additive of biomass coal-water slurry, butt coal dust, butt biomass powder and water press than
Example, is added directly into wet ball mill and biomass coal-water slurry is made；The surface additive consumption of the biomass coal-water slurry is
The 0.8%~1.2% of butt coal dust weight.
A kind of surface additive of the biomass coal-water slurry, it is characterized in that：Including following component group by ratio of weight and the number of copies
Into：Lignosulfonates：85；Polyethylene glycol：5；Coal tar：10；Its preparation method is：Lignin is taken by above-mentioned ratio of weight and number
8.5 kilograms of sulfonate, the lignosulfonates select sodium lignin sulfonate；5 kilograms of taking polyethylene glycol, the polyethylene glycol choosing
Spent glycol APEO；1.0 kilograms of coal tar is taken, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred,
It is well mixed, the surface additive of biomass coal-water slurry is produced, the surface additive of the biomass coal-water slurry is solid state powder
Shape mixture.
A kind of application process of the surface additive of biomass coal-water slurry, comprises the following steps：
Step 1：According to 66% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：34%, coal dust and life
Material powder：66%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Take again
Biomass starting material, by being dried at 105 DEG C of baking oven, drying time is 5 hours, then is crushed to 75% by 200 mesh, screening,
Obtain the butt biomass powder of slurrying；The biomass can select wheat stalk；The butt biomass powder selects stalk
Powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10；
Step 3：It is the 1.2% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；It will be added water obtained by step 1
In the surface additive of biomass coal-water slurry afterwards, the butt coal dust obtained in step 2 is added, and is stirred continuously, is added again afterwards
Enter butt biomass powder, and stir, that is, biomass coal-water slurry is made；
It is stalk mixture that the surface additive of the biomass coal-water slurry, which is applied to Yangcheng coal and biomass, by abovementioned steps
In slurrying, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, the life being made
The maximum slurry concentration of material water-coal-slurry is 65.5%；Good fluidity；Stability is more than 1 month.
A kind of surface additive of biomass coal-water slurry, including following component are constituted by ratio of weight and the number of copies：Lignin
Sulfonate：70；Polyethylene glycol：10；Coal tar：20；Its preparation method is：Lignosulfonates are taken by above-mentioned ratio of weight and number
7.0 kilograms, the lignosulfonates select calcium lignosulfonate；1.0 kilograms of taking polyethylene glycol, the polyethylene glycol selects second
Glycol APEO；2.0 kilograms of coal tar is taken, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, mixed
Uniformly, the surface additive of biomass coal-water slurry is produced, the surface additive of the biomass coal-water slurry is mixed for solid powder
Compound.
A kind of application process of the surface additive of described biomass coal-water slurry, comprises the following steps：
Step 1：According to 65% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：35%, coal dust and life
Material powder：65%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Again
Biomass starting material is taken, by being dried at 30 DEG C of sunshine, drying time is 240 hours, then be crushed to 75% by 200 mesh, sieve
Point, obtain the butt biomass powder of slurrying；The biomass can select rice straw；The butt biomass powder selects water
Rice straw powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10；
Step 3：It is the 0.8% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；It will be added water obtained by step 1
In the surface additive of biomass coal-water slurry afterwards, the butt coal dust obtained in step 2 is added, and is stirred continuously, is added again afterwards
Enter butt biomass powder, and stir, that is, biomass coal-water slurry is made；
It is stalk mixture that the surface additive of the biomass coal-water slurry, which is applied to Jincheng Coal and biomass, by abovementioned steps
In slurrying, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, the life being made
The maximum slurry concentration 64.3% of material water-coal-slurry, good fluidity, stability is more than 1.5 months.
Advantages of the present invention and beneficial effect are：
The compounding surface additive that the present invention is used mixed by a certain percentage by lignosulfonates, polyethylene glycol and coal tar and
Into three's collaboration plays a role, and by polyethylene glycol and the parcel of coal tar, significantly reduces the water suction of biomass straw powder
Property, by the synergy of anion and nonionic surfactant, the hydrophobicity of coal dust and biomass straw powder is enhanced,
The zeta current potentials of coal dust and biomass straw particle surface are improved, and then improve its dispersiveness in water.The biomass
Stalk water-coal-slurry body has preferable mobility, relatively low apparent viscosity and good stability.Compound surface additive raw material
It is cheap, easily purchase, while the complex additive simple production process, better performances.
The present invention is described in detail with reference to specific implementation case, is only the preferred case of the present invention below,
The scope of the present invention can not be limited with this.
Embodiment
The present invention is the surface additive and its application process of a kind of biomass coal-water slurry.Wherein, a kind of biomass water coal
The surface additive of slurry, including following component are constituted by ratio of weight and the number of copies：
Lignosulfonates：60~85 parts；
Polyethylene glycol：5~10 parts；
Coal tar：10~30 parts.
The lignosulfonates include sodium lignin sulfonate or calcium lignosulfonate.
The polyethylene glycol refers to the polymer of α-hydrogen-ω-hydroxyl (oxygen -1,2- second diyl), also known as ethylene glycol polyoxyethylene
Ether, its molecular formula is HO (CH2CH2O) nH, its mean molecule quantity is 2000~6000；
The coal tar refers to naphtalene oil, and naphtalene oil is a kind of polycyclic aromatic hydrocarbon, and molecular formula is C10H8, its mean molecule quantity is
128.18。
Its preparation method is：Lignosulfonates, polyethylene glycol and coal tar are taken by above-mentioned ratio of weight and number, by above-mentioned three
Plant component to be well mixed, produce the surface additive of biomass coal-water slurry, the surface additive of the biomass coal-water slurry is solid
State powder mixture.
A kind of application process of the surface additive of biomass coal-water slurry is：
Step 1：According to 60%~70% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：30%~
40%, coal dust and biomass powder：60%~70%, the surface additive of biomass coal-water slurry is added to according to parts by weight ratio
It is standby after stirring in water；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Take again
Biomass starting material, passes through 25 DEG C of sunshine or baking oven --- it is dried at 110 DEG C, drying time is 2-240 hours, then is crushed to
75% obtains the butt biomass powder of slurrying by 200 mesh, screening；The butt biomass powder selects powder of straw；Meet dry
The part by weight of based biomass powder and butt coal dust is 1~4:10~50, the biomass refers to the agricultures such as wheat, paddy rice, corn
The stalk of crop.
Step 3：The surface additive consumption of biomass coal-water slurry is the 0.8%~1.2% of butt coal dust weight；By step 1
Gained add water after biomass coal-water slurry surface additive in, add obtained butt coal dust in step 2, and be stirred continuously,
Butt biomass powder is added afterwards, and is stirred, that is, biomass coal-water slurry is made.
A kind of application process of the surface additive of biomass coal-water slurry, can also be：It is dense according to 60%~70% slurrying
Degree, is added directly into wet type by the surface additive of biomass coal-water slurry, butt coal dust, butt biomass powder and water in proportion
Biomass coal-water slurry is made in ball mill；The surface additive consumption of the biomass coal-water slurry is the 0.8% of butt coal dust weight
~1.2%.
Embodiment 1：
A kind of surface additive of biomass coal-water slurry of the present invention, including following component are constituted by ratio of weight and the number of copies：
Lignosulfonates：85；
Polyethylene glycol：5；
Coal tar：10.
Its preparation method is：8.5 kilograms of lignosulfonates, the lignosulfonates choosing are taken by above-mentioned ratio of weight and number
Use sodium lignin sulfonate；5 kilograms of taking polyethylene glycol, the polyethylene glycol selects ethylene polyethenoxy ether；Take coal tar 1.0 public
Jin, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, is well mixed, produces the surface of biomass coal-water slurry
Additive, the surface additive of the biomass coal-water slurry is solid powder mixture.
A kind of application process of the surface additive of biomass coal-water slurry is：
Step 1：According to 66% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：34%, coal dust and life
Material powder：66%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Take again
Biomass starting material, by being dried at 105 DEG C of baking oven, drying time is 5 hours, then is crushed to 75% by 200 mesh, screening,
Obtain the butt biomass powder of slurrying；The biomass can select wheat stalk；The butt biomass powder selects stalk
Powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10.
Step 3：It is the 1.2% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；By obtained by step 1
In the surface additive of biomass coal-water slurry after adding water, the butt coal dust obtained in step 2 is added, and is stirred continuously, afterwards
Butt biomass powder is added, and is stirred, that is, biomass coal-water slurry is made.
It is stalk mixing that the surface additive of the biomass coal-water slurry, which is applied to Yangcheng coal and biomass, by abovementioned steps
In the slurrying of thing, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, is made
Biomass coal-water slurry maximum slurry concentration be 65.5%；Good fluidity；Stability is more than 1 month.
Embodiment 2：
A kind of surface additive of biomass coal-water slurry of the present invention, including following component are constituted by ratio of weight and the number of copies：
Lignosulfonates：70；
Polyethylene glycol：10；
Coal tar：20.
Its preparation method is：7.0 kilograms of lignosulfonates, the lignosulfonates choosing are taken by above-mentioned ratio of weight and number
Use calcium lignosulfonate；1.0 kilograms of taking polyethylene glycol, the polyethylene glycol selects ethylene polyethenoxy ether；Take coal tar 2.0
Kilogram, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, is well mixed, produces the table of biomass coal-water slurry
Face additive, the surface additive of the biomass coal-water slurry is solid powder mixture.
A kind of application process of the surface additive of biomass coal-water slurry is：
Step 1：According to 65% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：35%, coal dust and life
Material powder：65%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Again
Biomass starting material is taken, by being dried at 30 DEG C of sunshine, drying time is 240 hours, then be crushed to 75% by 200 mesh, sieve
Point, obtain the butt biomass powder of slurrying；The biomass can select rice straw；The butt biomass powder selects water
Rice straw powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10.
Step 3：It is the 0.8% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；By obtained by step 1
In the surface additive of biomass coal-water slurry after adding water, the butt coal dust obtained in step 2 is added, and is stirred continuously, afterwards
Butt biomass powder is added, and is stirred, that is, biomass coal-water slurry is made.
It is stalk mixing that the surface additive of the biomass coal-water slurry, which is applied to Jincheng Coal and biomass, by abovementioned steps
In the slurrying of thing, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, is made
Biomass coal-water slurry maximum slurry concentration 64.3%, good fluidity, stability be more than 1.5 months.
Embodiment 3：
A kind of surface additive of biomass coal-water slurry of the present invention, including following component are constituted by ratio of weight and the number of copies：
Lignosulfonates：60；
Polyethylene glycol：10；
Coal tar：30.
Its preparation method is：6.0 kilograms of lignosulfonates, the lignosulfonates choosing are taken by above-mentioned ratio of weight and number
Use sodium lignin sulfonate；1.0 kilograms of taking polyethylene glycol, the polyethylene glycol selects ethylene polyethenoxy ether；Take coal tar 3.0
Kilogram, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, is well mixed, produces the table of biomass coal-water slurry
Face additive, the surface additive of the biomass coal-water slurry is solid powder mixture.
A kind of application process of the surface additive of biomass coal-water slurry is：
Step 1：According to 65% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：35%, coal dust and life
Material powder：65%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Again
Biomass starting material is taken, by being dried at 105 DEG C of baking oven, drying time is 4 hours, then be crushed to 75% by 200 mesh, sieve
Point, obtain the butt biomass powder of slurrying；The biomass selects maize straw；The butt biomass powder selects corn stalk
Stalk powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10.
Step 3：It is the 1.2% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；By obtained by step 1
In the surface additive of biomass coal-water slurry after adding water, the butt coal dust obtained in step 2 is added, and is stirred continuously, afterwards
Butt biomass powder is added, and is stirred, that is, biomass coal-water slurry is made.
It is stalk mixing that the surface additive of the biomass coal-water slurry, which is applied to Yanzhou coal and biomass, by abovementioned steps
In the slurrying of thing, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, is made
Biomass coal-water slurry maximum slurry concentration be 63.5%；Good fluidity；Stability is more than 1 month.
Embodiment 4：
A kind of surface additive of biomass coal-water slurry of the present invention, including following component are constituted by ratio of weight and the number of copies：
Lignosulfonates：75；
Polyethylene glycol：8；
Coal tar：17.
Its preparation method is：7.5 kilograms of lignosulfonates, the lignosulfonates choosing are taken by above-mentioned ratio of weight and number
Use calcium lignosulfonate；0.8 kilogram of taking polyethylene glycol, the polyethylene glycol selects ethylene polyethenoxy ether；Take coal tar 1.7
Kilogram, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, is well mixed, produces the table of biomass coal-water slurry
Face additive, the surface additive of the biomass coal-water slurry is solid powder mixture.
A kind of application process of the surface additive of biomass coal-water slurry is：
Step 1：According to 68% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：38%, coal dust and life
Material powder：62%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Take again
Biomass starting material, by being dried at 110 DEG C of baking oven, drying time is 3 hours, then is crushed to 75% by 200 mesh, screening,
Obtain the butt biomass powder of slurrying；The biomass can select maize straw；The butt biomass powder selects stalk
Powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10；
Step 3：It is the 1% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；After being added water obtained by step 1
Biomass coal-water slurry surface additive in, add obtained butt coal dust in step 2, and be stirred continuously, add afterwards
Butt biomass powder, and stir, that is, biomass coal-water slurry is made.
Yongcheng coal and biomass is applied to be stalk mixture the surface additive of the biomass coal-water slurry by abovementioned steps
Slurrying in, apparent viscosity control is in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, is made
The maximum slurry concentration of biomass coal-water slurry is 66%；Good fluidity；Stability is more than 1 month.
Embodiment 5：
A kind of surface additive of biomass coal-water slurry of the present invention, including following component are constituted by ratio of weight and the number of copies：
Lignosulfonates：65；
Polyethylene glycol：5；
Coal tar：30.
Its preparation method is：6.5 kilograms of lignosulfonates, the lignosulfonates choosing are taken by above-mentioned ratio of weight and number
Use calcium lignosulfonate；0.5 kilogram of taking polyethylene glycol, the polyethylene glycol selects ethylene polyethenoxy ether；Take coal tar 3.0
Kilogram, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, is well mixed, produces the table of biomass coal-water slurry
Face additive, the surface additive of the biomass coal-water slurry is solid powder mixture.
A kind of application process of the surface additive of biomass coal-water slurry is：
Step 1：According to 64% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：36%, coal dust and life
Material powder：64%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Again
Biomass starting material is taken, by being dried at 25 DEG C of baking oven, drying time is 240 hours, then is crushed to 75% by 200 mesh,
Screening, obtains the butt biomass powder of slurrying；The biomass can select maize straw；The butt biomass powder is selected
Corn stalk powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10.
Step 3：It is the 0.9% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；By obtained by step 1
In the surface additive of biomass coal-water slurry after adding water, the butt coal dust obtained in step 2 is added, and is stirred continuously, afterwards
Butt biomass powder is added, and is stirred, that is, biomass coal-water slurry is made.
Peaceful coal and biomass is applied to be stalk mixture the surface additive of the biomass coal-water slurry by abovementioned steps
In slurrying, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, the life being made
The maximum slurry concentration of material water-coal-slurry is 62.7；Good fluidity；Stability is more than 1.5 months.
Claims (10)
1. a kind of surface additive of biomass coal-water slurry, it is characterized in that：Constituted by ratio of weight and the number of copies including following component：
Lignosulfonates：60~85 parts；
Polyethylene glycol：5~10 parts；
Coal tar：10~30 parts；
Its preparation method is：Lignosulfonates, polyethylene glycol and coal tar are taken by above-mentioned ratio of weight and number, by above-mentioned three kinds of groups
Part is well mixed, produces the surface additive of biomass coal-water slurry.
2. a kind of surface additive of biomass coal-water slurry according to claim 1, it is characterized in that：The sulfomethylated lignin
Hydrochlorate includes sodium lignin sulfonate or calcium lignosulfonate.
3. a kind of surface additive of biomass coal-water slurry according to claim 1, it is characterized in that：The polyethylene glycol
Refer to the polymer of α-hydrogen-ω-hydroxyl (oxygen -1,2- second diyl), also known as ethylene polyethenoxy ether, its molecular formula is HO
(CH2CH2O) nH, its mean molecule quantity is 2000~6000.
4. a kind of surface additive of biomass coal-water slurry according to claim 1, it is characterized in that：The coal tar is
Refer to naphtalene oil, naphtalene oil is a kind of polycyclic aromatic hydrocarbon, and molecular formula is C10H8, its mean molecule quantity is 128.18.
5. a kind of application process of the surface additive of biomass coal-water slurry according to claim 1, it is characterized in that：Bag
Include following steps：
Step 1：According to 60%~70% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：30%~
40%, coal dust and biomass powder：60%~70%, the surface additive of biomass coal-water slurry is added to according to parts by weight ratio
It is standby after stirring in water；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Take again
Biomass starting material, passes through 25 DEG C of sunshine or baking oven --- it is dried at 110 DEG C, drying time is 2-240 hours, then is crushed to
75% obtains the butt biomass powder of slurrying by 200 mesh, screening；The butt biomass powder selects powder of straw；Meet dry
The part by weight of based biomass powder and butt coal dust is 1~4:10~50, the biomass refers to the agricultures such as wheat, paddy rice, corn
The stalk of crop；
Step 3：The surface additive consumption of biomass coal-water slurry is the 0.8%~1.2% of butt coal dust weight；By obtained by step 1
In the surface additive of biomass coal-water slurry after adding water, the butt coal dust obtained in step 2 is added, and is stirred continuously, afterwards
Butt biomass powder is added, and is stirred, that is, biomass coal-water slurry is made.
6. a kind of application process of the surface additive of biomass coal-water slurry according to claim 5, it is characterized in that：Also
Can be made up of following steps：
According to 60%~70% slurrying concentration, by the surface additive of biomass coal-water slurry, butt coal dust, butt biomass powder and
Water in proportion, is added directly into wet ball mill and biomass coal-water slurry is made；The surface additive of the biomass coal-water slurry
Consumption is the 0.8%~1.2% of butt coal dust weight.
7. a kind of surface additive of biomass coal-water slurry according to claim 1, it is characterized in that：Including following component
Constitute by ratio of weight and the number of copies：
Lignosulfonates：85；
Polyethylene glycol：5；
Coal tar：10；
Its preparation method is：8.5 kilograms of lignosulfonates are taken by above-mentioned ratio of weight and number, the lignosulfonates are from wood
Quality sodium sulfonate；5 kilograms of taking polyethylene glycol, the polyethylene glycol selects ethylene polyethenoxy ether；1.0 kilograms of coal tar is taken,
The coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, are well mixed, the surface addition of biomass coal-water slurry is produced
Agent, the surface additive of the biomass coal-water slurry is solid powder mixture.
8. a kind of application process of the surface additive of biomass coal-water slurry according to claim 5, it is characterized in that：Including
Following steps：
Step 1：According to 66% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：34%, coal dust and life
Material powder：66%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Take again
Biomass starting material, by being dried at 105 DEG C of baking oven, drying time is 5 hours, then is crushed to 75% by 200 mesh, screening,
Obtain the butt biomass powder of slurrying；The biomass can select wheat stalk；The butt biomass powder selects stalk
Powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10；
Step 3：It is the 1.2% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；It will be added water obtained by step 1
In the surface additive of biomass coal-water slurry afterwards, the butt coal dust obtained in step 2 is added, and is stirred continuously, is added again afterwards
Enter butt biomass powder, and stir, that is, biomass coal-water slurry is made；
It is stalk mixture that the surface additive of the biomass coal-water slurry, which is applied to Yangcheng coal and biomass, by abovementioned steps
In slurrying, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, the life being made
The maximum slurry concentration of material water-coal-slurry is 65.5%；Good fluidity；Stability is more than 1 month.
9. a kind of surface additive of biomass coal-water slurry according to claim 1, it is characterized in that：Including following component
Constitute by ratio of weight and the number of copies：
Lignosulfonates：70；
Polyethylene glycol：10；
Coal tar：20；
Its preparation method is：7.0 kilograms of lignosulfonates are taken by above-mentioned ratio of weight and number, the lignosulfonates are from wood
Quality sulfoacid calcium；1.0 kilograms of taking polyethylene glycol, the polyethylene glycol selects ethylene polyethenoxy ether；Take coal tar 2.0 public
Jin, the coal tar chooses naphtalene oil；Above-mentioned three kinds of components are stirred, is well mixed, produces the surface of biomass coal-water slurry
Additive, the surface additive of the biomass coal-water slurry is solid powder mixture.
10. a kind of application process of the surface additive of biomass coal-water slurry according to claim 5, it is characterized in that：Bag
Include following steps：
Step 1：According to 65% slurrying concentration, the part by weight of water, coal dust and biomass powder, water are determined：35%, coal dust and life
Material powder：65%, the surface additive of biomass coal-water slurry is added to the water according to parts by weight ratio, stir standby
With；
Step 2：Feed coal is taken, is crushed, 75% is crushed to by 200 mesh, screening obtains the butt coal dust of slurrying；Again
Biomass starting material is taken, by being dried at 30 DEG C of sunshine, drying time is 240 hours, then be crushed to 75% by 200 mesh, sieve
Point, obtain the butt biomass powder of slurrying；The biomass can select rice straw；The butt biomass powder selects water
Rice straw powder, the part by weight for meeting butt biomass powder and butt coal dust is 1:10；
Step 3：It is the 0.8% of butt coal dust weight by the surface additive consumption of biomass coal-water slurry；It will be added water obtained by step 1
In the surface additive of biomass coal-water slurry afterwards, the butt coal dust obtained in step 2 is added, and is stirred continuously, is added again afterwards
Enter butt biomass powder, and stir, that is, biomass coal-water slurry is made；
It is stalk mixture that the surface additive of the biomass coal-water slurry, which is applied to Jincheng Coal and biomass, by abovementioned steps
In slurrying, apparent viscosity is controlled in 1000mPa.s, 25 DEG C of water-coal-slurry temperature, and shear rate is 100s-1Lower left and right, the life being made
The maximum slurry concentration 64.3% of material water-coal-slurry, good fluidity, stability is more than 1.5 months.
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| CN110791350A (en) * | 2018-08-01 | 2020-02-14 | 四川天法科技有限公司 | Biomass fuel slurry and preparation method thereof |
| CN111534344A (en) * | 2020-05-29 | 2020-08-14 | 新沂市建科新材料有限公司 | Preparation method of lignin additive |
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| Publication number | Priority date | Publication date | Assignee | Title |
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