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Fuel oil blending additive and preparation method thereof

A technology of additives and fuel oil, applied in fuel additives, fuels, liquid carbon-containing fuels, etc., can solve the problems of cost performance defects, low flash point of methanol diesel, unstable working conditions of compression ignition engines, etc.

Inactive Publication Date: 2015-07-08
刘粤荣 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] 2. The problem of low flash point of methanol diesel
[0009] The flash point of methanol is low (11-12°C), which is far from the flash point of diesel (55°C). After methanol and diesel are mixed, the resulting blended fuel oil is still easy to catch fire at low temperature, which is easy to burn due to poor combustion. Synchronization causes unstable working conditions of the compression ignition engine, and also brings unsafe transportation and storage
[0010] 3. The problem of low cetane number of methanol diesel
[0012] 4. The problem of emulsification and stratification of methanol diesel and water
These formulas have solved the problem of mutual solubility of methanol and diesel to a certain extent, but there are still problems such as insufficient mutual solubility, easy layering, insufficient clarity, or defects in cost performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] Additive 1 includes the following components:

[0060] 20 parts by weight of emulsifier, of which 15 parts by weight of SP-80 emulsifier and 5 parts by weight of OP-10 emulsifier;

[0061] 21 parts by weight of pH buffer, including 11 parts by weight of sodium petroleum sulfonate and 10 parts by weight of barium petroleum sulfonate;

[0062] Tricresol phosphate, 10 parts by weight;

[0063] Isooctyl nitrate, 6 parts by weight;

[0064] Co-emulsifying dispersant, combined with 1.0 part by weight of dimethyl succinate and 1.0 part by weight of T161A (polyisobutenyl succinimide) product of the polyisobutylene derivative series;

[0065] Antioxidant, using 0.5 parts by weight of N-phenyl-α-naphthylamine (T531) and 2,6-di-tert-butyl-α-dimethylamino-p-cresol;

[0066] Isobutanol, 20 parts by weight;

[0067] 20 parts by weight of organic solvent, combined with 10 parts by weight of toluene and 10 parts by weight of dimethyl carbonate (DMC);

[0068] The above raw materials are all commonly...

Embodiment 2

[0075] The additive 2 formula includes the following components:

[0076] 20 parts by weight of emulsifier, of which 15 parts by weight of SP-80 emulsifier and 5 parts by weight of OP-10 emulsifier;

[0077] 30 parts by weight of pH buffer, including 15 parts by weight of sodium petroleum sulfonate and 15 parts by weight of barium petroleum sulfonate;

[0078] Tricresol phosphate, 9 parts by weight;

[0079] Isooctyl nitrate, 6.2 parts by weight;

[0080] Co-emulsifying and dispersing agent, using 0.8 parts by weight of bis-succinimide and 1.2 parts by weight of the T165A product of the polyisobutylene derivative series. Among them, bis-succinimide is also called double-hanging, which is a product developed in the 1960s. A dispersant for oil products, the bis-succinimide selected in the present invention is a commercially available emulsifying dispersant that meets the SH / T 0623-95 standard;

[0081] As an antioxidant, 0.5 parts by weight of zinc dialkyldithiophosphate (ZDDP) and 0.3 pa...

Embodiment 3

[0086] The additive 3 formula includes the following components::

[0087] 20 parts by weight of emulsifier, of which 10 parts by weight of SP-80 emulsifier and 10 parts by weight of TWEEN-60 emulsifier;

[0088] 20 parts by weight of pH buffer, including 10 parts by weight of sodium petroleum sulfonate and 10 parts by weight of barium petroleum sulfonate;

[0089] Tricresyl phosphate, 11 parts by weight;

[0090] Isooctyl nitrate, 6 parts by weight;

[0091] Co-emulsifying and dispersing agent, using 1.2 parts by weight of polyolefin ethylene succinate and 0.8 parts by weight of T155A product of polyisobutylene derivative series;

[0092] As an antioxidant, 0.5 parts by weight of tolyltriazole sodium salt and 0.5 parts by weight of octyl / butyl mixed alkyl substituted diphenylamine (T534) were used in combination.

[0093] Isobutanol, 22 parts by weight;

[0094] 18 parts by weight of organic solvent, 9 parts by weight of ethylbenzene and 9 parts by weight of dimethyl carbonate (DMC) are u...

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Abstract

The invention provides an additive for blending fuel oil. The additive comprises an emulsifier formed by complexing a Span-series emulsifier and a Tween-series (or OP-10) emulsifier, a pH value buffering pair formed by combination of sodium petroleum sulfonate and barium petroleum sulfonate, tricresyl phosphate, isooctyl nitrate, a co-emulsifying dispersing agent, an antioxidant, isobutyl alcohol and an organic solvent. The additive is prepared according to certain content and a certain preparation method. The additive can be used for blending methanol, methanol-oleic acid mixture, and other methanol modified complex into a biological fuel oil, and can be used for further blending biodiesel. The blended biological fuel oil and the biodiesel have the advantages of high cetane number, high flash point, low pour point, low cold filter plugging point, low corrosivity, low emission, and low cost.

Description

Technical field [0001] The invention relates to the field of fuel oil, in particular to a combined additive formula used in methanol and its modified complex to prepare biofuel oil and biofuel composite diesel and a preparation method thereof. Background technique [0002] my country is short of oil and gas, coal resources are relatively abundant, and coal-based alcohol ether fuel sources are wide. Substituting superior alcohol and ether resources for petroleum resources, or using alcohol and ether fuels and petroleum mixtures to replace petroleum resources, is not only beneficial to the ecological environment, and promotes the economy The sustainable development of energy, chemical and automobile industries can also promote the development of related industries, which is conducive to adjusting the industrial structure and creating new economic growth points. [0003] Many countries have promoted ethanol gasoline, among which the amount of ethanol added to gasoline is generally 10-1...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/26C10L1/23C10L1/182C10L1/19C10L1/195C10L1/2383C10L1/223C10L1/224C10L1/192C10L1/222C10L1/24C10L10/00
Inventor 刘粤荣陈方
Owner 刘粤荣
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