CN106118763A - A kind of composite diesel additive and preparation method - Google Patents

A kind of composite diesel additive and preparation method Download PDF

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Publication number
CN106118763A
CN106118763A CN201610514924.2A CN201610514924A CN106118763A CN 106118763 A CN106118763 A CN 106118763A CN 201610514924 A CN201610514924 A CN 201610514924A CN 106118763 A CN106118763 A CN 106118763A
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parts
functional group
additive
diesel
energy
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CN106118763B (en
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李校金
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Shengshi Zhongkun (beijing) Technology Development Co Ltd
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Shengshi Zhongkun (beijing) Technology Development Co Ltd
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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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • 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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
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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
    • C10L1/10—Liquid carbonaceous fuels containing additives
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/16—Hydrocarbons
    • C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
    • C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
    • C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
    • 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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
    • C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
    • C10L1/1826—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms poly-hydroxy
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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
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/185—Ethers; Acetals; Ketals; Aldehydes; Ketones
    • C10L1/1857—Aldehydes; Ketones
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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
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/23—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites
    • C10L1/231—Organic compounds containing nitrogen containing at least one nitrogen-to-oxygen bond, e.g. nitro-compounds, nitrates, nitrites nitro compounds; nitrates; nitrites
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    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/234—Macromolecular compounds
    • C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
    • 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
    • C10L1/00—Liquid carbonaceous fuels
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/22—Organic compounds containing nitrogen
    • C10L1/234—Macromolecular compounds
    • C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
    • C10L1/2387—Polyoxyalkyleneamines (poly)oxyalkylene amines and derivatives thereof (substituted by a macromolecular group containing 30C)
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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
    • C10L1/10—Liquid carbonaceous fuels containing additives
    • C10L1/14—Organic compounds
    • C10L1/28—Organic compounds containing silicon

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  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
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Abstract

The invention discloses a kind of composite diesel additive and preparation method, described additive includes by weight: the cleansing performance functional group of 5～15 parts；The energy-saving and emission-reduction functional group of 15～25 parts；3～6 parts of lubricating function groups；55～70 parts of diluent.Composite diesel additive provided by the present invention, can effectively promote diesel quality, fuel oil 10%～30% can be saved under the identical service condition of diesel engine, reduce and freely accelerate smoke opacity index more than 90%, can reach decarbonizing and the effect suppressing carbon distribution to generate simultaneously, achieve the compound of function, there is the features such as excellent detergency, high-effective energy-saving fuel oil, minimizing exhaust emissions.The preparation method of composite diesel additive provided by the present invention, simple process, power consumption is few, effectively realizes the compatible and compounding of various functional group, and prepared additive is stable, can safety in transportation and storage.

Description

A kind of composite diesel additive and preparation method
Technical field
The invention belongs to energy and environment resist technology field, be specifically related to a kind of composite diesel additive and preparation side Method.
Background technology
At present, the quality of diesel oil of China own also be unable to reach with the technical parameter of diesel engine and mate completely, in order to extend The diesel engine life-span, improve the using effect of diesel oil, it is necessary to promoting the quality of diesel oil, effective diesel fuel additives be can yet be regarded as one Effective technology shortcut.
In commercially conventional diesel fuel additives, conventional have detersive, an ENERGY-SAVING AGENT FOR etc., but the merit of diesel fuel additives Can be more single.Such as detersive, it is a kind of important additive, is commonly used to except carbon deposit etc., but be unable to reach energy-conservation Purpose；And energy-conservation additive, it is impossible to reach to reduce the effect of exhaust emissions simultaneously.And different additives, in adding procedure In compound effectiveness comparison poor, even can mutually reduce using effect.As when adding additive for saving energy and detersive simultaneously, save Can additive can suppress to a certain extent detersive except carbon deposit effect.
Summary of the invention
The embodiment of the present invention to solve the technical problem that and to be to provide a kind of compound diesel fuel additives and preparation method, with Solve the function of diesel fuel additives in prior art more single, can not energy-saving and emission-reduction while improving diesel combustion efficiency, Peace and quiet, the problem of storing and transporting security.
According to an aspect of the invention, it is provided a kind of composite diesel additive, described additive is by weight Including:
The cleansing performance functional group of 5～15 parts；
The energy-saving and emission-reduction functional group of 15～25 parts；
3～6 parts of lubricating function groups；
55～70 parts of diluent.
Preferably, described additive includes by weight:
The cleansing performance functional group of 7～14 parts；
The energy-saving and emission-reduction functional group of 17～22 parts；
3～5 parts of lubricating function groups；
60～65 parts of diluent.
Preferential, described cleansing performance functional group includes the one in polyetheramine, polyisobutylene succinamide or two Kind；Described energy-saving and emission-reduction functional group include in isooctyl ester nitrate, cyclohexyl nitrate, oxalic acid two n-butyl alcohol one or both or three Kind；Described lubricating function group includes that silicone oil, full synthetic oil neutralize one or both；Described diluent include Ketohexamethylene, n-butyl alcohol, One or both or three kinds in aerial kerosene.
Preferably, described additive includes by weight:
The cleansing performance functional group of 10 parts；
The energy-saving and emission-reduction functional group of 22 parts；
4 parts of lubricating function groups；
64 parts of diluent.
According to another aspect of the present invention, the preparation method of a kind of composite diesel additive, described side are additionally provided Method comprises the steps:
15～25 parts of energy-saving and emission-reduction functional groups and 3～6 parts of lubricating function groups are compounded, stablize compatible after obtain component A；
Described component A is dissolved in 55～70 parts of diluent, after stablizing, obtains component B；
5～15 parts of cleansing performance functional groups are added in described component B, carries out being heated to 20～40 in predetermined container DEG C, stirring 2～6 hours, obtain described composite diesel additive simultaneously.
Preferably, in such scheme, described cleansing performance functional group includes in polyetheramine, polyisobutylene succinamide One or both；Described energy-saving and emission-reduction functional group includes the one in isooctyl ester nitrate, cyclohexyl nitrate, oxalic acid two n-butyl alcohol Or two or three；Described lubricating function group includes that silicone oil, full synthetic oil neutralize one or both；Described diluent includes hexamethylene One or both or three kinds in ketone, n-butyl alcohol, aerial kerosene.
Preferably, the preparation method of described mould assembly diesel fuel additives comprises the steps:
17～22 parts of energy-saving and emission-reduction functional groups and 3～5 parts of lubricating function groups are compounded, stablize compatible after obtain component A；
Described component A is dissolved in 60～65 parts of diluent, after stablizing, obtains component B；
7～14 parts of cleansing performance functional groups are added in described component B, carries out being heated to 25～35 in predetermined container DEG C, stirring 3～5 hours, obtain described composite diesel additive simultaneously.
The composite diesel additive that the embodiment of the present invention is provided, can effectively promote diesel quality, and diesel engine is identical Fuel oil 10%～30% can be saved under service condition, reduce and freely accelerate smoke opacity index more than 90%, can reach simultaneously The effect removed and suppress carbon distribution to generate, it is achieved that being combined of function, has excellent detergency, high-effective energy-saving fuel oil, minimizing The features such as exhaust emissions, lifting fuel qualities.The preparation method of the composite diesel additive provided, simple process, power consumption Few, effectively realize the compatible and compounding of various functional group, additive is stable, can safety in transportation and storage.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with being embodied as Example is described in detail.
The present invention is directed in prior art, the function of diesel fuel additives is more single, can not improve diesel combustion efficiency While energy-saving and emission-reduction, peace and quiet, the problem of storing and transporting security, it is provided that a kind of compound diesel fuel additives, can be the most real Existing function and service, has excellent detergency, high-effective energy-saving fuel oil, minimizing exhaust emissions, promotes the features such as fuel qualities.
Embodiment 1
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 5～15 parts by weight Cleansing performance functional group, the energy-saving and emission-reduction functional group of 15～25 parts, 3～6 parts of lubricating function groups, 55～70 parts of diluent.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps:
15～15 parts of energy-saving and emission-reduction functional groups and 3～6 parts of lubricating function groups are compounded, stablize compatible after obtain component A；
Described component A is dissolved in 55～70 parts of diluent, after stablizing, obtains component B；
5～15 parts of cleansing performance functional groups are added in described component B, carries out being heated to 20～40 in predetermined container DEG C, stirring 2～6 hours, obtain described composite diesel additive simultaneously.
The composite diesel additive that the present embodiment is provided, can effectively promote diesel quality, the identical operation of diesel engine Under the conditions of can save fuel oil 10%～30%, reduce and freely accelerate smoke opacity index more than 90%, can reach removing simultaneously And suppress the effect that carbon distribution generates.The preparation method of the composite diesel additive provided, simple process, power consumption is few, has Effect realizes the compatible and compounding of various functional group, and additive is stable, can safety in transportation and storage.
Embodiment 2
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 7～14 parts by weight Cleansing performance functional group, the energy-saving and emission-reduction functional group of 17～22 parts, 3～5 parts of lubricating function groups, 60～65 parts of diluent.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps: 17～22 parts of energy-saving and emission-reduction functional groups and 3～5 parts of lubricating function groups are compounded, stablize compatible after obtain component A；By described Component A is dissolved in 60～65 parts of diluent, obtains component B after stablizing；7～14 parts of cleansing performance functional groups are added described component In B, carrying out being heated to 25～35 DEG C in predetermined container, stirring 3～5 hours, obtain described composite diesel additive simultaneously.
Embodiment 3
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 5 parts clear by weight Clean performance functional group, the energy-saving and emission-reduction functional group of 19 parts, 6 parts of lubricating function groups, 70 parts of diluent.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps: 19 parts of energy-saving and emission-reduction functional groups and 6 parts of lubricating function groups are compounded, stablize compatible after obtain component A；By molten for described component A In 70 parts of diluent, after stablizing, obtain component B；5 parts of cleansing performance functional groups are added in described component B, in predetermined container In carry out being heated to 20 DEG C, simultaneously stirring 4 hours, obtain described composite diesel additive.
Embodiment 4
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 5 parts poly-by weight Ether amines, the isooctyl ester nitrate of 20 parts, 5 parts of silicone oil, 70 parts of Ketohexamethylene.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps: 20 parts of isooctyl ester nitrates and 5 parts of silicone oil are compounded, stablize compatible after obtain component A；Described component A is dissolved in 70 parts of hexamethylenes In ketone, after stablizing, obtain component B；5 parts of polyetheramines are added in described component B, carries out being heated to 40 DEG C in predetermined container, with Time stirring 6 hours, obtain described composite diesel additive.
Embodiment 5
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 15 parts poly-by weight Isobutenyl succimide, the cyclohexyl nitrate of 15 parts, 3 parts of full synthetic oils, 67 parts of n-butyl alcohol.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps: The cyclohexyl nitrates of 15 parts and 3 parts of full synthetic oils are compounded, stablize compatible after obtain component A；Described component A is dissolved in 67 In part n-butyl alcohol, after stablizing, obtain component B；The polyisobutylene succinamide of 15 parts are added in described component B, predetermined Carrying out being heated to 20 DEG C in container, stirring 2 hours, obtain described composite diesel additive simultaneously.
Embodiment 6
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 10 parts poly-by weight Isobutenyl succimide, the cyclohexyl nitrate of 25 parts, 3 parts of full synthetic oils, 62 parts of n-butyl alcohol.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps: The cyclohexyl nitrates of 25 parts and 3 parts of full synthetic oils are compounded, stablize compatible after obtain component A；Described component A is dissolved in 62 In part n-butyl alcohol, after stablizing, obtain component B；The polyisobutylene succinamide of 10 parts are added in described component B, predetermined Carrying out being heated to 20 DEG C in container, stirring 2 hours, obtain described composite diesel additive simultaneously.
Embodiment 7
Present embodiments provide a kind of compound diesel fuel additives, described additive include by weight 20 parts appoint Meaning ratio polyetheramine and polyisobutylene succinamide, oxalic acid two n-butyl alcohol of arbitrary proportion of 15 parts and nitric acid hexamethylene Ester, the full synthetic oil of 3 parts of arbitrary proportions and silicone oil, the Ketohexamethylene of 62 parts of arbitrary proportions and n-butyl alcohol.
The present embodiment additionally provides the side of the preparation method of a kind of composite diesel additive, described method and embodiment 6 Method is identical, be the difference is that only the component of described each raw material.
Embodiment 8
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 15 parts poly-by weight Isobutenyl succimide, the isooctyl ester nitrate of the arbitrary proportion of 25 parts, cyclohexyl nitrate and oxalic acid two n-butyl alcohol, 5 parts complete Artificial oil, the Ketohexamethylene of 55 parts of arbitrary proportions, n-butyl alcohol and aerial kerosene.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps: The isooctyl ester nitrate of the arbitrary proportions of 25 parts, cyclohexyl nitrate and oxalic acid two n-butyl alcohol and 5 parts of full synthetic oils are compounded, surely Component A is obtained after the most compatible；Described component A is dissolved in the Ketohexamethylene of 55 parts of arbitrary proportions, n-butyl alcohol and aerial kerosene, stable After obtain component B；The polyisobutylene succinamide of 15 parts are added in described component B, heats in predetermined container To 30 DEG C, stirring 6 hours, obtain described composite diesel additive simultaneously.
Embodiment 9
Present embodiments providing a kind of compound diesel fuel additives, described additive includes 10 parts poly-by weight Isobutenyl succimide, oxalic acid two n-butyl alcohol of 22 parts, 4 parts of full synthetic oils, 64 parts of aerial kerosene.
The present embodiment additionally provides the preparation method of a kind of composite diesel additive, and described method comprises the steps: Oxalic acid two n-butyl alcohol of 22 parts and 4 parts of full synthetic oils are compounded, stablize compatible after obtain component A；Described component A is dissolved in In 64 parts of aerial kerosene, after stablizing, obtain component B；The polyisobutylene succinamide of 10 parts are added in described component B, Carrying out being heated to 30 DEG C in predetermined container, stirring 4 hours, obtain described composite diesel additive simultaneously.
The composite diesel additive that above-described embodiment is provided, can effectively promote diesel quality, the identical fortune of diesel engine Fuel oil 10%～30% can be saved under the conditions of row, reduce and freely accelerate smoke opacity index more than 90%, can reach clear simultaneously The effect removed and suppress carbon distribution to generate.The preparation method of the composite diesel additive provided, simple process, power consumption is few, Effectively realizing the compatible and compounding of various functional group, additive is stable, can safety in transportation and storage.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also Should be regarded as protection scope of the present invention.

Claims (7)

1. a composite diesel additive, it is characterised in that described additive includes by weight:
The cleansing performance functional group of 5～15 parts；
The energy-saving and emission-reduction functional group of 15～25 parts；
3～6 parts of lubricating function groups；
55～70 parts of diluent.
Diesel fuel additives the most according to claim 1, it is characterised in that described additive includes by weight:
The cleansing performance functional group of 7～14 parts；
The energy-saving and emission-reduction functional group of 17～22 parts；
3～5 parts of lubricating function groups；
60～65 parts of diluent.
Diesel fuel additives the most according to claim 1 and 2, it is characterised in that
Described cleansing performance functional group includes one or both in polyetheramine, polyisobutylene succinamide；Described energy-conservation Reduce discharging one or both or three kinds that functional group includes in isooctyl ester nitrate, cyclohexyl nitrate, oxalic acid two n-butyl alcohol；Described lubrication Functional group includes that silicone oil, full synthetic oil neutralize one or both；Described diluent includes in Ketohexamethylene, n-butyl alcohol, aerial kerosene One or both or three kinds.
Diesel fuel additives the most according to claim 1 and 2, it is characterised in that preferably, described additive is by weight Including:
The cleansing performance functional group of 10 parts；
The energy-saving and emission-reduction functional group of 22 parts；
4 parts of lubricating function groups；
64 parts of diluent.
5. the preparation method of a composite diesel additive, it is characterised in that described method comprises the steps:
15～25 parts of energy-saving and emission-reduction functional groups and 3～6 parts of lubricating function groups are compounded, stablize compatible after obtain component A；
Described component A is dissolved in 55～70 parts of diluent, after stablizing, obtains component B；
5～15 parts of cleansing performance functional groups are added in described component B, carries out being heated to 20～40 DEG C in predetermined container, with Time stirring 2～6 hours, obtain described composite diesel additive.
Diesel fuel additives preparation method the most according to claim 5, it is characterised in that
Described cleansing performance functional group includes one or both in polyetheramine, polyisobutylene succinamide；Described energy-conservation Reduce discharging one or both or three kinds that functional group includes in isooctyl ester nitrate, cyclohexyl nitrate, oxalic acid two n-butyl alcohol；Described lubrication Functional group includes that silicone oil, full synthetic oil neutralize one or both；Described diluent includes in Ketohexamethylene, n-butyl alcohol, aerial kerosene One or both or three kinds.
7. according to the preparation method of the diesel fuel additives described in claim 5 or 6, it is characterised in that described method includes as follows Step:
17～22 parts of energy-saving and emission-reduction functional groups and 3～5 parts of lubricating function groups are compounded, stablize compatible after obtain component A；
Described component A is dissolved in 60～65 parts of diluent, after stablizing, obtains component B；
7～14 parts of cleansing performance functional groups are added in described component B, carries out being heated to 25～35 DEG C in predetermined container, with Time stirring 3～5 hours, obtain described composite diesel additive.
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