CN108034475A - Oil-soluble fire coal ash cleaning agent and preparation method thereof - Google Patents
Oil-soluble fire coal ash cleaning agent and preparation method thereof Download PDFInfo
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- CN108034475A CN108034475A CN201711319135.4A CN201711319135A CN108034475A CN 108034475 A CN108034475 A CN 108034475A CN 201711319135 A CN201711319135 A CN 201711319135A CN 108034475 A CN108034475 A CN 108034475A
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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
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/06—Use of additives to fuels or fires for particular purposes for facilitating soot removal
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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
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/0254—Oxygen containing compounds
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Abstract
The present invention relates to a kind of oil-soluble fire coal ash cleaning agent and preparation method thereof.A kind of oil-soluble fire coal ash cleaning agent according to the mass fraction, including：10 parts~50 parts of oil solubility nanometer magnesia；10 parts~40 parts of oil solubility nanometer cupric oxide；0 part~20 parts of 1 part~5 parts of dispersion stabilizer and diluent.Above-mentioned oil-soluble fire coal ash cleaning agent and preparation method thereof obtains fluid product, can be sufficiently mixed with coal dust, and compared to solid ash cleaning agent, mixing evenly, improves using effect.
Description
Technical field
The present invention relates to coal-fired ash cleaning agent technical field, more particularly to oil-soluble fire coal ash cleaning agent and preparation method thereof.
Background technology
According to statistics, tens thousand of of the existing all types of industries boiler in China, coal quantity of boiler account for more than the 1/3 of national total coal consumption.
Due to containing the impurity such as sulphur and mineral matter in coal, a large amount of hard slagging can be formed on furnace wall in combustion.Slagging
With the thermal resistance more much bigger than metallic walls, thus heat-transfer effect is reduced, adds boiler exhaust gas loss, take away amount of heat,
Reduce boiler efficiency and add electrical energy consumption of ventilation.Simultaneously as having locality, slagging influences whether carbonated drink inside heating surface
Normal work.In addition, can also block exhaust gases passes and burner hearth slag-drip opening, or even carbonated drink pipe is overheated booster, it is continuous to destroy equipment
Operation；Aggravate metal erosion, big clinker is fallen down, and may smash dry bottom hopper.Blowing out is sometimes had to remove slagging, is caused
Some boilers are run at low load for a long time.In addition, while slagging is formed, the acidity of also a large amount of discharge flue dust, CO and S, N
Oxide, is one of the main reason for causing haze weather.Therefore, slagging seriously affects the availability and security of boiler, and
Bring huge economic loss and environmental hazard.
Solve the coal-fired clogging problems of coal-fired plant's generally existing using solid ash cleaning agent more both at home and abroad at present.30 years 20th century
Generation, people start to remove the dust stratification on boiler heating surface with chemical addition agent.The sixties, the additive using copper as main component are opened
Begin to be used to solve burner hearth fouling, and applied in some countries.After world oil crisis in 1973, the research and development of coal-fired ash cleaning agent
Tremendous development is obtained.Drew Chemical Corp. of the U.S. develops that to select a variety of chemical reagent compounding to form more in the mid-1970s
Function dust-cleaning agent for boiler, and put goods on the market rapidly, enjoy great popularity.Successively there is Liaoning Province in China since the 1980s
Work research institute, Deng Jin10Jia scientific research institutions of naval vessels research institute have carried out the research work of coal-fired ash cleaning agent.
Domestic soot cleaning of coal-fired boiler agent can be divided into reduced form ash cleaning agent and oxidized form ash cleaning agent two according to the mechanism of action, composition
Major class.Reduced form ash cleaning agent main component is ammonium salt, alkali metal salt, mantoquita and inorganic additive, and oxidized form ash cleaning agent is main
Component is alkali nitrates, sodium chloride, zinc oxide and inorganic additive.Both there is certain Anti-slagging, corrosive effect,
But there is also one it is serious the problem of, i.e., this two classes product is solid, it is difficult to be sufficiently mixed with coal dust, have impact on deashing effect
Fruit, and solid ash cleaning agent additive amount is big, of high cost.
The content of the invention
Based on this, it is necessary to for the problem of current ash cleaning agent cleaning efficiency is low, additive amount is big and of high cost, there is provided a kind of
Oil-soluble fire coal ash cleaning agent and preparation method thereof.
A kind of oil-soluble fire coal ash cleaning agent, according to the mass fraction, including：
In a wherein embodiment, the dispersion stabilizer is selected from polyvinyl alcohol, polyethylene glycol, polyacrylic acid, hard
At least one of acyl amine and oleamide；
And/or straight chain or the straight chain of branched monohydric alcohol and C2~C4 that the diluent is C1~C4 or with side chain
At least one of polyalcohol.
In a wherein embodiment, according to the mass fraction, the oil-soluble fire coal ash cleaning agent is further included no more than 5 parts
Raising agent；The raising agent is selected from ammonium nilrite, urea, methyl oleate, ethyl oleate, glyceryl monostearate, laurate fourth
At least one of ester and propyl laurate ester；
And/or according to the mass fraction, the oil-soluble fire coal ash cleaning agent further includes the inhibiting combustion-supporting coke cleaning agent no more than 10 parts；
The inhibiting combustion-supporting coke cleaning agent is selected from least one of ferrocene, ferrocenyl methyl ketone, organic carboxyl acid and metal salt of organic carboxylic acid；
Wherein, the organic carboxyl acid in the organic carboxyl acid and the metal salt of organic carboxylic acid is selected from citric acid, oxalic acid, vinegar
At least one of acid, lactic acid, malic acid, isooctyl acid, adipic acid；
Metal in the metal salt of organic carboxylic acid is selected from least one of zinc, calcium, iron, manganese.
In a wherein embodiment, according to the mass fraction, including：
In a wherein embodiment, the oil solubility nanometer magnesia is prepared by following preparation method：
According to the mass fraction, by 10 parts~27 parts of magnesium-containing compound, 2 parts~5 parts of macromolecule organic acid, small molecular organic acid
1 part~18 parts of 1 part~8 parts, 50 parts~75 parts of organic solvent and water stir evenly, insulation reaction after being warming up to 160 DEG C~230 DEG C
1h~3h；Insulation reaction 1h~5h after being warming up to 260 DEG C~330 DEG C is then proceeded to, is concentrated, obtains the oil solubility nanometer oxidation
Magnesium；The macromolecule organic acid is selected from organic carboxyl acid, long-chain sulfonate, alkyl benzene sulphonate and the cycloalkanes that carbon chain lengths are C8~C20
At least one of acid, the small molecular organic acid are selected from least one of acetic acid, propionic acid, butyric acid and oxalic acid.
In a wherein embodiment, the magnesium-containing compound is selected from magnesia, magnesium carbonate, magnesium hydroxide and magnesium acetate
At least one of；
And/or the organic solvent is selected from least one of heavy aromatics, olefin oligomer, mineral oil and artificial oil.
In a wherein embodiment, the oil solubility nanometer cupric oxide is prepared by following preparation method：
According to the mass fraction, by 8 parts~20 parts of copper-containing compound, 1 part~5 parts of macromolecule organic acid, small molecular organic acid 1
1 part~10 parts of part~8 parts, 20 parts~50 parts of organic solvent and water stir evenly, and it is anti-to be gradually heating to 200 DEG C~250 DEG C insulations
4h~12h is answered, is concentrated, 0.1 part~0.5 part of metal deactivator is then added, is uniformly mixed and obtains the oil solubility nanometer oxygen
Change copper；The macromolecule organic acid is selected from organic carboxyl acid, long-chain sulfonate, alkyl benzene sulphonate and the ring that carbon chain lengths are C8~C20
At least one of alkanoic acid, the small molecular organic acid are selected from least one of acetic acid, propionic acid, butyric acid and oxalic acid.
In a wherein embodiment, the copper-containing compound is selected from cupric oxide, copper carbonate, Kocide SD and copper acetate
At least one of.
In a wherein embodiment, the metal deactivator is benzotriazole, methyl benzotriazazole and 2- mercaptos
At least one of base benzothiazole；
And/or the organic solvent is selected from least one of mixed durene, heavy aromatics and mineral oil.
The preparation method of above-mentioned oil-soluble fire coal ash cleaning agent, comprises the following steps：Each component raw material is uniformly mixed
To the oil-soluble fire coal ash cleaning agent.
Above-mentioned oil-soluble fire coal ash cleaning agent includes oil solubility nanometer magnesia, oil solubility nanometer cupric oxide, dispersion stabilizer
And diluent, the oil-soluble fire coal ash cleaning agent being prepared is fluid product, can be sufficiently mixed with coal dust, clear compared to solid
Grey agent, mixing evenly, improve using effect.What product oil-soluble nano magnesia component can be produced with coal dust firing
Low-melting impurities metal oxide is combined to improve slagging fusing point, reduces the cohesive force of slagging and metal surface, and mitigates slagging
To the corrode of equipment；Oil solubility nanometer cupric oxide can resolve into copper and oxygen, and copper is covered in hardware surface and plays protection
Effect, generated in-situ oxygen activity is high, coal dust can be promoted fully to burn, and causes slagging is fluffy to be easier to come off.Meanwhile
Solid ash cleaning agent is compared, nano level magnesia and cupric oxide specific surface area is big, can be with the foreign metal in coal dust, sulphur, nitrogen etc.
Element contact is abundant, reacts more thorough, cleaning efficiency higher；And the addition of dispersion stabilizer contributes to ash cleaning agent to keep stablizing,
Extend the shelf life, improve the valid density of ash cleaning agent, reduce transport and use cost.
Brief description of the drawings
Fig. 1 is the process flow chart of the preparation method of the oil-soluble fire coal ash cleaning agent of an embodiment.
Embodiment
Oil-soluble fire coal ash cleaning agent and preparation method thereof is done further below in conjunction with embodiment and attached drawing
Describe in detail.
The oil-soluble fire coal ash cleaning agent of one embodiment, according to the mass fraction, including：
In a wherein embodiment, oil solubility nanometer magnesia is prepared by following preparation method：
According to the mass fraction, by 10 parts~27 parts of magnesium-containing compound, 2 parts~5 parts of macromolecule organic acid, small molecular organic acid
1 part~18 parts of 1 part~8 parts, 50 parts~75 parts of organic solvent and water stir evenly；Insulation reaction after being warming up to 160 DEG C~230 DEG C
1h~3h, in this step, macromolecule organic acid, small molecular organic acid, water and magnesium-containing compound fully react, and form paste
Shape mixture；
Then proceed to keep the temperature 1h~5h after being warming up to 260 DEG C~330 DEG C, in this step, magnesium compound is in organic acid
In the presence of be pyrolyzed, and formed surface modification nano magnesia；High concentration oil-soluble is obtained by vacuum distillation again to receive
Rice magnesia.
In a wherein embodiment, magnesium-containing compound is in magnesia, magnesium carbonate, magnesium hydroxide and magnesium acetate
It is at least one.
In a wherein embodiment, macromolecule organic acid is selected from organic carboxyl acid, the long-chain that carbon chain lengths are C8~C20
At least one of sulfonic acid, alkyl benzene sulphonate and aphthenic acids.
In a wherein embodiment, small molecular organic acid in acetic acid, propionic acid, butyric acid and oxalic acid at least one
Kind.
In a wherein embodiment, organic solvent is high boiling atent solvent.Preferably, organic solvent is selected from weight
At least one of aromatic hydrocarbons, olefin oligomer, mineral oil and artificial oil.
The oil solubility nanometer magnesia being prepared by the above method is brown or sepia semi-transparent fluild, wherein magnesium
Content up to 30%~40%, the grain diameter of magnesia reaches 50nm~200nm, and viscosity is 35cst~150cst.Above-mentioned height
Concentration oil solubility nanometer magnesia is very good with other components intersolubility in ash cleaning agent product, can be uniformly dispersed and can protect for a long time
Deposit.
In a wherein embodiment, according to the mass fraction, the dosage of oil solubility nanometer magnesia is 20 parts~45 parts.
It is more that magnesia in above-mentioned oil-soluble fire coal ash cleaning agent can form high-melting-point with the impurity metal oxide of low melting point
Composite oxide of metal, makes it still keep solid particle state to be formed easily in tube wall without adhesion or slight adhesion when reaching tube wall
The slagging to come off, reduces the slagging of coal stove and the corrode to equipment.In addition magnesia can also absorb burning generation SOx and
NOx, reduces acid gas emissions, is conducive to environmental protection.
In a wherein embodiment, oil solubility nanometer cupric oxide is prepared by following preparation method：
According to the mass fraction, by 8 parts~20 parts of copper-containing compound, 1 part~5 parts of macromolecule organic acid, small molecular organic acid 1
1 part~10 parts of part~8 parts, 20 parts~50 parts of organic solvent and water stir evenly；Kept the temperature after being gradually heating to 200 DEG C~250 DEG C
4h~12h is reacted, is concentrated, adds 0.1 part~0.5 part of metal deactivator, is uniformly mixed and obtains oil solubility nanometer cupric oxide.
In a wherein embodiment, containing copper compound in cupric oxide, copper carbonate, Kocide SD and copper acetate extremely
Few one kind.
In a wherein embodiment, macromolecule organic acid is selected from organic carboxyl acid, the long-chain that carbon chain lengths are C8~C20
At least one of sulfonic acid, alkyl benzene sulphonate and aphthenic acids.
In a wherein embodiment, small molecular organic acid in acetic acid, propionic acid, butyric acid and oxalic acid at least one
Kind.
In a wherein embodiment, metal deactivator agent can prevent oxidation copper reduction, keep oil solubility nanometer oxidation
Copper long-time stable, metal deactivator selected from benzotriazole, methyl benzotriazazole and with 2-mercaptobenzothiazole extremely
Few one kind.
In a wherein embodiment, organic solvent is high boiling atent solvent.Preferably, organic solvent is selected from mixed
At least one of durene, heavy aromatics and mineral oil.
The oil solubility nanometer cupric oxide being prepared by the above method is brown or sepia semi-transparent fluild, wherein copper
Content up to 25%~35%, the grain diameter of cupric oxide reaches 25nm~100nm, and viscosity is 20cst~100cst.Above-mentioned height
Concentration oil solubility nanometer cupric oxide is very good with other components intersolubility in ash cleaning agent product, can be uniformly dispersed and can protect for a long time
Deposit.
In a wherein embodiment, according to the mass fraction, the dosage of oil solubility nanometer cupric oxide is 15 parts~35 parts.
Cupric oxide in above-mentioned oil-soluble fire coal ash cleaning agent resolves into copper and oxygen at high temperature, and copper can be covered in metal
The surface of equipment plays a protective role, and the generation of oxygen can then produce expansion and slagging is become loose, is conducive to tie
Slag comes off.Generated in-situ oxygen activity is high, and the coke in clinker can be promoted fully to burn, and reduces clinker carbon residue and CO gases
Generation.In addition, cupric oxide can also absorb SOx and NOx, acid gas emissions are reduced.
Compared to solid ash cleaning agent, above-mentioned nano magnesia and nano cupric oxide specific surface area is big, with the impurity gold in coal dust
The contacts such as category, sulphur, nitrogen are abundant, and reaction is more thorough, and effect is more preferable.
In a wherein embodiment, dispersion stabilizer is selected from polyvinyl alcohol, polyethylene glycol, polyacrylic acid, stearoyl
At least one of amine and oleamide.
In a wherein embodiment, the molecular weight of polyethylene glycol is 400~800.
Dispersion stabilizer is added in above-mentioned oil-soluble fire coal ash cleaning agent system contributes to ash cleaning agent to keep stablizing, and extends and protects
The matter phase, improves the valid density of ash cleaning agent, reduces transport and use cost.
In a wherein embodiment, straight chain that diluent is C1~C4 or branched monohydric alcohol and C2~C4's is straight
At least one of chain or branched polyalcohol.
Further, diluent is selected from ethanol, propyl alcohol, isopropanol, n-butanol, isobutanol, ethylene glycol, propane diols and fourth two
At least one of alcohol.
In addition, the diluent in above-mentioned oil-soluble fire coal ash cleaning agent can play the role of dilution, reduce liquid viscosity, make clear
Grey agent each component mixing evenly, increases the synergistic effect between each component, improves ash-removal effect.
In a wherein embodiment, the raising agent no more than 5 parts is further included in oil-soluble fire coal ash cleaning agent.
In a wherein embodiment, raising agent is selected from ammonium nilrite, urea, methyl oleate, ethyl oleate, stearic acid list
At least one of glyceride, butyl laurate and propyl laurate ester.
Raising agent is decomposed, gasifies, burst at high temperature, stirs coal dust, loose hardened coal dust, improves aeration, make oxygen
Gas and coal dust are sufficiently mixed, and coal dust fully burns, and reduce clinker remaining carbon, also have the loose effect of abolishing to the burnt dirt of slagging.
In a wherein embodiment, the inhibiting combustion-supporting coke cleaning agent no more than 10 parts is further included in oil-soluble fire coal ash cleaning agent.
In a wherein embodiment, inhibiting combustion-supporting coke cleaning agent is selected from ferrocene, ferrocenyl methyl ketone, organic carboxyl acid and organic
At least one of carboxylic metallic salt；
Wherein, the organic carboxyl acid in organic carboxyl acid and metal salt of organic carboxylic acid is selected from citric acid, oxalic acid, acetic acid, lactic acid, apple
At least one of tartaric acid, isooctyl acid, adipic acid；
Metal in metal salt of organic carboxylic acid is selected from least one of zinc, calcium, iron, manganese.
Inhibiting combustion-supporting coke cleaning agent is added in above-mentioned oil-soluble fire coal ash cleaning agent system and primarily serves oxidation catalysis effect, to improve
The reactivity of coal promotes the materials such as C, N, S in fire coal fully to burn, and reduces clinker, unburned carbon in flue dust and the generation of CO gases,
Flue-gas temperature is reduced, reduces burner hearth corrode, is saved coal-fired.According to statistics, exhaust gas temperature often reduces by 10 DEG C, the thermal efficiency of Industrial Boiler
Improve about 1%.In addition, inhibiting combustion-supporting coke cleaning agent can also be acted on the metallics of other in fire coal generates unstable salt, salt decomposes production
Raw many small holes, make dust stratification and slagging become loose, gradually come off.
In a wherein embodiment, oil-soluble fire coal ash cleaning agent according to the mass fraction, including：
It is furthermore preferred that oil-soluble fire coal ash cleaning agent is according to the mass fraction, including：
Boiler water wall slagging is typically to sticky ash is drawn on tube wall or on tube wall by melting or semi-molten particles hit
Rise.Contain more mineral matter in coal, when burning, can form the relatively low vanadium-alkali metal oxide of fusing point, and adhesion strength is big,
Easily lead to tube wall sedimentary to thicken, Boiler Heating Surfaces, cause water-cooling wall heat absorption to reduce, the rise of furnace inner environment temperature, deposition slag
Speed is accelerated, and coal stove equipment is caused to corrode, flue-gas temperature also raises, and causes amount of heat to lose.
Above-mentioned oil-soluble fire coal ash cleaning agent includes oil solubility nanometer magnesia, oil solubility nanometer cupric oxide, dispersion stabilizer
And diluent, it is fluid product, can be sufficiently mixed with coal dust, compared to solid ash cleaning agent, mixing evenly, improves use
Effect.Product oil-soluble nano magnesia component can with coal dust firing produce low-melting impurities metal oxide be combined with
Slagging fusing point is improved, mitigates slagging corrode, reduces the cohesive force of slagging and metal surface；Oil solubility nanometer cupric oxide can decompose
Into copper and oxygen, copper is covered in hardware surface and plays a protective role, and oxygen can promote coal dust firing, and make it that slagging is fluffy
Pine is easier to come off.Meanwhile compare solid ash cleaning agent, nano level magnesia and cupric oxide specific surface area is big, can with coal dust
Foreign metal, sulphur, the contact of the element such as nitrogen it is abundant, react more thorough, cleaning efficiency higher；And the addition of dispersion stabilizer helps
Keep stablizing in ash cleaning agent, extend the shelf life, improve the valid density of ash cleaning agent, reduce transport and use cost.
Further referring to Fig. 1, the preparation method of above-mentioned oil-soluble fire coal ash cleaning agent comprises the following steps：
The preparation of S110, oil solubility nanometer magnesia
In a wherein embodiment, the step of preparing oil solubility nanometer magnesia, specifically includes：
S111, by 10 parts~27 parts of magnesium-containing compound, 2 parts~5 parts of macromolecule organic acid, small molecular organic acid 1 part~8
1 part~18 parts of part, 50 parts~75 parts of organic solvent and water are uniformly mixing to obtain mixture.
S112, mixture is warming up to 160 DEG C~230 DEG C after insulation reaction 1h~3h.
S113, mixture is continuously heating to 260 DEG C~330 DEG C after insulation reaction 1h~5h.
S114, obtain high concentration oil solubility nanometer magnesia by vacuum distillation.
In a wherein embodiment, temperature when being evaporated under reduced pressure is 200 DEG C~300 DEG C, is evaporated under reduced pressure
When pressure be not more than 10mmHg.
The preparation of S120, oil solubility nanometer cupric oxide
In a wherein embodiment, the step of preparing oil solubility nanometer cupric oxide, specifically includes：
S121, by 8 parts~20 parts of copper-containing compound, 1 part~5 parts of macromolecule organic acid, 1 part~8 parts of small molecular organic acid,
1 part~10 parts of 20 parts~50 parts of organic solvent and water are uniformly mixing to obtain mixture.
S122, mixture is warming up to 200 DEG C~250 DEG C after insulation reaction 4h~12h.
S123, vacuum distillation, add 0.1 part~0.5 part of metal deactivator and obtain the oxidation of high concentration oil solubility nanometer
Copper.
In a wherein embodiment, temperature when being evaporated under reduced pressure is 150 DEG C~200 DEG C, is evaporated under reduced pressure
When pressure be no more than 10mmHg.
S130, compounding.
In a wherein embodiment, raw material components include：10 parts~50 parts of oil solubility nanometer magnesia；Oil-soluble is received
10 parts~40 parts of cupric oxide of rice；1 part~5 parts of dispersion stabilizer；And 0 part~20 parts of diluent.
In another embodiment, raw material components further include the raising agent no more than 5 parts and helping no more than 10 parts
Fire coke cleaning agent.
Stirred evenly being heated to 45 DEG C~60 DEG C in said components addition compounding kettle up to oil-soluble fire coal ash cleaning agent, institute
It is 100r/min~500r/min to state stir speed (S.S.), and the time of stirring is 0.5h~1h.
The preparation method of above-mentioned oil-soluble fire coal ash cleaning agent is easy to operate, easily realizes industrialized production.
Here is the explanation of specific embodiment, and following embodiments unless otherwise specified, are not then contained except inevitably miscellaneous
The component pointed out is not known in other beyond matter.
Embodiment 1
According to the mass fraction, by 40 parts of oil solubility nanometer magnesia, 25 parts of oil solubility nanometer cupric oxide, 3 parts hard
Acyl amine, 13 parts of propyl alcohol, 1 part of propyl laurate ester and 8 parts of zinc citrate, which are added in compounding kettle, is heated to 45 DEG C,
0.5h is stirred under the stir speed (S.S.) of 400r/min and obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 20 parts of magnesia, myristic acid 2
Part, 6 parts of acetic acid, 55 parts of olefin oligomer and 18 parts of water stir evenly, insulation reaction 3h after being warming up to 200 DEG C；Then proceed to rise
For temperature to insulation reaction 2h after 330 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 12 parts of Kocide SD, dodecane
8 parts of 3 parts of base benzene sulfonic acid, 5 parts of acetic acid, 30 parts of heavy aromatics and water stir evenly, and are gradually heating to 250 DEG C of insulation reaction 4h, concentration,
Then 0.1 part of benzotriazole is added, is uniformly mixed and obtains the oil solubility nanometer cupric oxide.
Embodiment 2
According to the mass fraction, by 45 parts of oil solubility nanometer magnesia, 15 parts of oil solubility nanometer cupric oxide, 1 part poly-
Acrylic acid, 5 parts of n-butanol, 1 part of urea and 8 parts of ferrocene, which are added in compounding kettle, is heated to 50 DEG C, in stirring for 300r/min
Mix stirring 0.5h under speed and obtain oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 25 parts of magnesium hydroxide, dodecane
12 parts of 2 parts of acid, 6 parts of propionic acid, 60 parts of heavy aromatics and water stir evenly, insulation reaction 1h after being warming up to 230 DEG C；Then proceed to heat up
Insulation reaction 4h after to 280 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 16 parts of cupric oxide, aphthenic acids 3
7 parts of part, 3 parts of propionic acid, 40 parts of mixed durene and water stir evenly, and are gradually heating to 220 DEG C of insulation reaction 8h, concentrate, Ran Houjia
Enter 0.2 part of methyl benzotriazazole, be uniformly mixed and obtain the oil solubility nanometer cupric oxide.
Embodiment 3
According to the mass fraction, by 30 parts of oil solubility nanometer magnesia, 30 parts of oil solubility nanometer cupric oxide, 3 parts poly-
Vinyl alcohol, 9 parts of ethylene glycol, 3 parts of methyl oleate and 6 parts of ferric oxalate, which are added in compounding kettle, is heated to 55 DEG C, in 200r/
0.5h is stirred under the stir speed (S.S.) of min and obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 18 parts of magnesium carbonate, dodecyl
6 parts of 4 parts of benzene sulfonic acid, 3 parts of butyric acid, 55 parts of mineral oil and water stir evenly, insulation reaction 3h after being warming up to 160 DEG C；Then proceed to
Insulation reaction 5h after being warming up to 300 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 18 parts of Kocide SD, aphthenic acids 2
Part, 6 parts of propionic acid, 20 parts of mineral oil and 4 parts of water stir evenly, and are gradually heating to 240 DEG C of insulation reaction 7h, and concentration, then adds
0.4 part of benzotriazole, is uniformly mixed and obtains the oil solubility nanometer cupric oxide.
Embodiment 4
According to the mass fraction, by 20 parts of oil solubility nanometer magnesia, 40 parts of oil solubility nanometer cupric oxide, 2 parts poly-
Vinyl alcohol, 20 parts of isopropanol, 1 part of ammonium nilrite and 4 parts of adipic acid calcium, which are added in compounding kettle, is heated to 60 DEG C,
1h is stirred under the stir speed (S.S.) of 100r/min and obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 10 parts of magnesium acetate, dodecyl
8 parts of 2 parts of sulfonic acid, 1 part of oxalic acid, 75 parts of artificial oil and water stir evenly, insulation reaction 2h after being warming up to 180 DEG C；Then proceed to rise
For temperature to insulation reaction 5h after 260 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 8 parts of copper acetate, dodecyl sulphur
10 parts of 1 part of acid, 1 part of oxalic acid, 50 parts of mixed durene and water stir evenly, and are gradually heating to 200 DEG C of insulation reaction 12h, concentrate, so
0.5 part of 2-mercaptobenzothiazole is added afterwards, is uniformly mixed and is obtained the oil solubility nanometer cupric oxide.
Embodiment 5
According to the mass fraction, by 45 parts of oil solubility nanometer magnesia, 15 parts of oil solubility nanometer cupric oxide, 5 parts of oil
Sour acid amides, 10 parts of isobutanol, 5 parts of glyceryl monostearate and 7 parts of manganese acetate, which are added in compounding kettle, is heated to 45 DEG C,
2h is stirred under the stir speed (S.S.) of 500r/min and obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 27 parts of magnesia, aphthenic acids 4
Part, 3 parts of acetic acid, 60 parts of heavy aromatics and 12 parts of water stir evenly, insulation reaction 3h after being warming up to 170 DEG C；Then proceed to be warming up to
Insulation reaction 5h after 270 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 16 parts of cupric oxide, aphthenic acids 5
Part, 6 parts of acetic acid, 45 parts of heavy aromatics and 6 parts of water stir evenly, and are gradually heating to 250 DEG C of insulation reaction 12h, and concentration, then adds
0.3 part of methyl benzotriazazole, is uniformly mixed and obtains the oil solubility nanometer cupric oxide.
Embodiment 6
According to the mass fraction, by 20 parts of oil solubility nanometer magnesia, 35 parts of oil solubility nanometer cupric oxide, 5 parts poly-
Ethylene glycol, 10 parts of ethanol, 3 parts of butyl laurate and 1 part of malic acid, which are added in compounding kettle, is heated to 50 DEG C, in 400r/
1h is stirred under the stir speed (S.S.) of min and obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 15 parts of magnesium carbonate, 2 parts of oleic acid,
10 parts of 3 parts of butyric acid, 65 parts of mineral oil and water stir evenly, insulation reaction 2h after being warming up to 200 DEG C；Then proceed to be warming up to 300
Insulation reaction 3h after DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 13 parts of Kocide SD, palmitic acid 2
Part, 6 parts of propionic acid, 35 parts of mineral oil and 7 parts of water stir evenly, and are gradually heating to 230 DEG C of insulation reaction 8h, and concentration, then adds
0.2 part of benzotriazole, is uniformly mixed and obtains the oil solubility nanometer cupric oxide.
Embodiment 7
According to the mass fraction, by 40 parts of oil solubility nanometer magnesia, 20 parts of oil solubility nanometer cupric oxide, 5 parts poly-
Acrylic acid, 18 parts of isopropanol, 2 parts of ammonium nilrite and 10 parts of ferrocenyl methyl ketone, which are added in compounding kettle, is heated to 55 DEG C,
1h is stirred under the stir speed (S.S.) of 100r/min and obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 22 parts of magnesium hydroxide, palmitic acid 3
Part, 2 parts of propionic acid, 50 parts of olefin oligomer and 16 parts of water stir evenly, insulation reaction 3h after being warming up to 190 DEG C；Then proceed to rise
For temperature to insulation reaction 5h after 290 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 10 parts of copper carbonate, 2 parts of oleic acid,
2 parts of 2 parts of butyric acid, 20 parts of mixed durene and water stir evenly, and are gradually heating to 220 DEG C of insulation reaction 8h, concentrate, then add
0.4 part of 2-mercaptobenzothiazole, is uniformly mixed and obtains the oil solubility nanometer cupric oxide.
Embodiment 8
According to the mass fraction, by 40 parts of oil solubility nanometer magnesia, 25 parts of oil solubility nanometer cupric oxide, 3 parts hard
Acyl amine, 13 parts of propyl alcohol and 8 parts of zinc citrate, which are added in compounding kettle, is heated to 45 DEG C, under the stir speed (S.S.) of 400r/min
Stirring 0.5h obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 20 parts of magnesia, myristic acid 2
Part, 6 parts of acetic acid, 55 parts of olefin oligomer and 18 parts of water stir evenly, insulation reaction 3h after being warming up to 200 DEG C；Then proceed to rise
For temperature to insulation reaction 2h after 330 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 12 parts of Kocide SD, dodecane
8 parts of 3 parts of base benzene sulfonic acid, 5 parts of acetic acid, 30 parts of heavy aromatics and water stir evenly, and are gradually heating to 250 DEG C of insulation reaction 4h, concentration,
Then 0.1 part of benzotriazole is added, is uniformly mixed and obtains the oil solubility nanometer cupric oxide.
Embodiment 9
According to the mass fraction, by 45 parts of oil solubility nanometer magnesia, 15 parts of oil solubility nanometer cupric oxide, 1 part poly-
Acrylic acid, 5 parts of n-butanol and 1 part of urea, which are added in compounding kettle, is heated to 50 DEG C, is stirred under the stir speed (S.S.) of 300r/min
0.5h obtains oil-soluble fire coal ash cleaning agent to uniformly mixed.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 25 parts of magnesium hydroxide, dodecane
12 parts of 2 parts of acid, 6 parts of propionic acid, 60 parts of heavy aromatics and water stir evenly, insulation reaction 1h after being warming up to 230 DEG C；Then proceed to heat up
Insulation reaction 4h after to 280 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 16 parts of cupric oxide, aphthenic acids 3
7 parts of part, 3 parts of propionic acid, 40 parts of mixed durene and water stir evenly, and are gradually heating to 220 DEG C of insulation reaction 8h, concentrate, Ran Houjia
Enter 0.2 part of methyl benzotriazazole, be uniformly mixed and obtain the oil solubility nanometer cupric oxide.
Embodiment 10
According to the mass fraction, by 30 parts of oil solubility nanometer magnesia, 30 parts of oil solubility nanometer cupric oxide, 9 parts of second
Glycol and 6 parts of ferric oxalate, which are added in compounding kettle, is heated to 55 DEG C, and it is equal to mixing that 1h is stirred under the stir speed (S.S.) of 200r/min
It is even to obtain oil-soluble fire coal ash cleaning agent.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 18 parts of magnesium carbonate, dodecyl
6 parts of 4 parts of benzene sulfonic acid, 3 parts of butyric acid, 55 parts of mineral oil and water stir evenly, insulation reaction 3h after being warming up to 160 DEG C；Then proceed to
Insulation reaction 5h after being warming up to 300 DEG C, concentration, obtains the oil solubility nanometer magnesia.
Wherein, the preparation method of oil solubility nanometer cupric oxide is：According to the mass fraction, by 18 parts of Kocide SD, aphthenic acids 2
Part, 6 parts of propionic acid, 20 parts of mineral oil and 4 parts of water stir evenly, and are gradually heating to 240 DEG C of insulation reaction 7h, and concentration, then adds
0.4 part of benzotriazole, is uniformly mixed and obtains the oil solubility nanometer cupric oxide.
Embodiment 11
According to the mass fraction, by 67 parts of oil solubility nanometer magnesia, 2 parts of polyethylene glycol, 9 parts of n-butanol, 2 parts
Urea and 10 parts of ferrocene, which are added in compounding kettle, is heated to 50 DEG C, and it is equal to mixing that 0.5h is stirred under the stir speed (S.S.) of 300r/min
It is even to obtain oil-soluble fire coal ash cleaning agent.
Wherein, the preparation method of oil solubility nanometer magnesia is：According to the mass fraction, by 18 parts of magnesia, stearic acid 2
Part, 6 parts of propionic acid, 60 parts of artificial oil and 12 parts of water stir evenly, insulation reaction 3h after being warming up to 230 DEG C；Then proceed to be warming up to
Insulation reaction 4h after 330 DEG C, concentration, obtains the oil solubility nanometer magnesia.
The using effect for the oil-soluble fire coal ash cleaning agent that 1~embodiment of embodiment 11 is prepared is evaluated, with sky
White and commercially available XQ-113 solids ash cleaning agent is control, and commercially available XQ-113 solids ash cleaning agent is the limited public affairs of Langfang City magpie fine chemistry industry
Department's production.First additive is mixed by a certain percentage with coal dust in experiment, is then added to boiler (Heyuan thermal power plant)
Burn in burner hearth.Wherein, 1~embodiment of embodiment, 11 ash cleaning agent plus dosage be 0.02%, and commercially available XQ-113 deashings
Agent adds dosage to be divided to two kinds, is respectively 0.02% (XQ-113a) and 0.04% (XQ-113b).
In addition, evaluation index stability refers to oil-soluble fire coal ash cleaning agent without particle precipitation, without insoluble matter, without layering most
Long standing time.Evaluation index and the results are shown in Table 1
Table 1
By table 1 as it can be seen that the stability of oil-soluble fire coal ash cleaning agent of the present invention is high, can preserve for a long time.This hair is added in fire coal
After bright ash cleaning agent, boiler furnace coking thickness is decreased obviously, and scaling-off loose, boiler slag carbon content and exhaust gas temperature substantially reduce, and say
Bright ash cleaning agent of the present invention can promote coal fully to burn, and effectively prevent grey dirt deposition, coking, reduce equipment loss, desulfurization
It is efficient, acid gas emissions are reduced, therefore boiler thermal efficiency and caloric value can be improved well, save the energy.And commercially available XQ-
Ash-removal effect of 113 ash cleaning agents under identical plus dosage can not show a candle to ash cleaning agent of the present invention, during two doubling doses indices just with
Product of the present invention is suitable, therefore oil-soluble fire coal ash cleaning agent of the present invention has plus dosage is small, ash-removal effect outstanding feature.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make 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 that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. oil-soluble fire coal ash cleaning agent, it is characterised in that according to the mass fraction, including：
- 2. oil-soluble fire coal ash cleaning agent according to claim 1, it is characterised in that the dispersion stabilizer is selected from polyethylene At least one of alcohol, polyethylene glycol, polyacrylic acid, stearmide and oleamide；And/or the straight chain or the straight chain or branched more of branched monohydric alcohol and C2~C4 that the diluent is C1~C4 At least one of first alcohol.
- 3. oil-soluble fire coal ash cleaning agent according to claim 1, it is characterised in that according to the mass fraction, the oil-soluble Coal-fired ash cleaning agent further includes the raising agent no more than 5 parts；The raising agent is selected from ammonium nilrite, urea, methyl oleate, oleic acid second At least one of ester, glyceryl monostearate, butyl laurate and propyl laurate ester；And/or according to the mass fraction, the oil-soluble fire coal ash cleaning agent further includes the inhibiting combustion-supporting coke cleaning agent no more than 10 parts；It is described Inhibiting combustion-supporting coke cleaning agent is selected from least one of ferrocene, ferrocenyl methyl ketone, organic carboxyl acid and metal salt of organic carboxylic acid；Wherein, the organic carboxyl acid in the organic carboxyl acid and the metal salt of organic carboxylic acid is selected from citric acid, oxalic acid, acetic acid, breast At least one of acid, malic acid, isooctyl acid, adipic acid；Metal in the metal salt of organic carboxylic acid is selected from least one of zinc, calcium, iron, manganese.
- 4. according to claims 1 to 3 any one of them oil-soluble fire coal ash cleaning agent, it is characterised in that according to the mass fraction, bag Include：
- 5. oil-soluble fire coal ash cleaning agent according to claim 1, it is characterised in that the oil solubility nanometer magnesia passes through Following preparation method is prepared：According to the mass fraction, by 10 parts~27 parts of magnesium-containing compound, 2 parts~5 parts of macromolecule organic acid, 1 part of small molecular organic acid 1 part~18 parts of~8 parts, 50 parts~75 parts of organic solvent and water stir evenly, insulation reaction 1h after being warming up to 160 DEG C~230 DEG C ~3h；Insulation reaction 1h~5h after being warming up to 260 DEG C~330 DEG C is then proceeded to, is concentrated, obtains the oil solubility nanometer oxidation Magnesium；The macromolecule organic acid is selected from organic carboxyl acid, long-chain sulfonate, alkyl benzene sulphonate and the cycloalkanes that carbon chain lengths are C8~C20 At least one of acid, the small molecular organic acid are selected from least one of acetic acid, propionic acid, butyric acid and oxalic acid.
- 6. oil-soluble fire coal ash cleaning agent according to claim 5, it is characterised in that the magnesium-containing compound is selected from oxidation At least one of magnesium, magnesium carbonate, magnesium hydroxide and magnesium acetate；And/or the organic solvent is selected from least one of heavy aromatics, olefin oligomer, mineral oil and artificial oil.
- 7. oil-soluble fire coal ash cleaning agent according to claim 1, it is characterised in that the oil solubility nanometer cupric oxide passes through Following preparation method is prepared：According to the mass fraction, by 8 parts~20 parts of copper-containing compound, 1 part~5 parts of macromolecule organic acid, 1 part of small molecular organic acid~ 1 part~10 parts of 8 parts, 20 parts~50 parts of organic solvent and water stir evenly, and are gradually heating to 200 DEG C~250 DEG C insulation reaction 4h ~12h, the metal deactivator of concentration, then 0.1 part~0.5 part of addition, is uniformly mixed and obtains the oil solubility nanometer cupric oxide； The macromolecule organic acid is in organic carboxyl acid, long-chain sulfonate, alkyl benzene sulphonate and the aphthenic acids that carbon chain lengths are C8~C20 At least one, the small molecular organic acid is selected from least one of acetic acid, propionic acid, butyric acid and oxalic acid.
- 8. oil-soluble fire coal ash cleaning agent according to claim 7, it is characterised in that the copper-containing compound is selected from oxidation At least one of copper, copper carbonate, Kocide SD and copper acetate.
- 9. oil-soluble fire coal ash cleaning agent according to claim 7, it is characterised in that the metal deactivator is three nitrogen of benzo At least one of azoles, methyl benzotriazazole and 2-mercaptobenzothiazole；And/or the organic solvent is selected from least one of mixed durene, heavy aromatics and mineral oil.
- 10. according to the preparation method of claim 1~9 any one of them oil-soluble fire coal ash cleaning agent, it is characterised in that including Following steps：Each component raw material is uniformly mixed to obtain the oil-soluble fire coal ash cleaning agent.
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