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High-temperature-resisting superstrong dynamic water-repelling microemulsification diesel fuel composite additive and preparation method thereof

A compound additive and high-temperature-resistant technology, which is applied in the petroleum industry, liquid carbon-containing fuel, fuel, etc., can solve the problems of poor fluidity, shorten the service life of the power machine, and insufficient combustion, etc., and achieve good microemulsion effect and good interaction Excellent solubility and stability

Active Publication Date: 2015-12-30
QUANZHOU XINRAN ENVIRONMENTAL PROTECTION ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The common problems of the existing emulsified diesel oil are: 1. Poor fluidity and high viscosity, resulting in poor atomization of fuel injection and frequent carbon deposits in fuel injectors
2. The calorific value and cetane number are low, resulting in insufficient power, insufficient combustion, high fuel consumption, and actually fail to achieve the purpose of energy saving
3. Due to the unreasonable additive formula, long-term use will easily cause corrosion to the cylinder block and ferrous metal parts of the power machine, thereby shortening the normal service life of the power machine
4. Poor stability, easy to oxidize, darken the color, increase the sediment and colloid, form a large amount of carbon deposits in the combustion chamber, and increase the wear and tear of the cylinder block
5. Saponification and demulsification when encountering water, poor miscibility, turbidity and stratification after miscibility with various grades of diesel oil, resulting in the failure of normal use of the power machine

Method used

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  • High-temperature-resisting superstrong dynamic water-repelling microemulsification diesel fuel composite additive and preparation method thereof
  • High-temperature-resisting superstrong dynamic water-repelling microemulsification diesel fuel composite additive and preparation method thereof
  • High-temperature-resisting superstrong dynamic water-repelling microemulsification diesel fuel composite additive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0109] The main raw materials and weight parts of the main additives of high temperature resistant super dynamic water repellent microemulsion diesel oil are as follows:

[0110] (1) Oleic acid: 810±20;

[0111] (2) Monoethanolamine: 65±20;

[0112] (3) Cyclohexylamine: 130±20;

[0113] (4) Auxiliary additives: 190±20;

[0114] (5) Isooctyl nitrate: 15±5;

[0115] (6) Ferrocene: 2±1.

[0116] The preparation method of the main additive of high-temperature-resistant ultra-strong dynamic water-repellent micro-emulsion diesel oil includes adding the above-mentioned raw materials in sequence and reacting after stirring.

[0117] Among them, the main raw material of the main additive can also be selected from the following combinations in parts by weight: (1) oleic acid: 810±5, 810±10 or 810±15;

[0118] (2) Monoethanolamine: 65±5, 65±10 or 65±15;

[0119] (3) Cyclohexylamine: 130±5, 130±10 or 130±15;

[0120] (4) Auxiliary additives: 190±5, 190±10 or 190±15;

[0121] (5) I...

Embodiment 2

[0124] The main raw materials and weight parts of the main additives of high temperature resistant super dynamic water repellent microemulsion diesel oil are as follows:

[0125] (1) Oleic acid: 810;

[0126] (2) Monoethanolamine: 65;

[0127] (3) Cyclohexylamine: 130;

[0128] (4) auxiliary additive: 190;

[0129] (5) isooctyl nitrate: 15;

[0130] (6) Ferrocene: 2.

[0131] The preparation method of the main additive of high-temperature-resistant ultra-strong dynamic water-repellent micro-emulsion diesel oil includes adding the above-mentioned raw materials in sequence and reacting after stirring.

Embodiment 3

[0133] The method for preparing the main additive of high-temperature-resistant ultra-strong dynamic water-repellent micro-emulsion diesel oil is to add the raw materials of the above-mentioned examples 1 and 2 in sequence.

[0134] Preferably, when the main additive and the auxiliary additive are added in order as described above, along with the order of addition, each component of the main additive reacts with each other to form a reactant, and the reactant is then combined with the added main additive and / or auxiliary additive Components react to form reactants, which then react with added components, and so on.

[0135] Preferably, each step is as follows:

[0136] a) make (1) oleic acid

[0137]

[0138] with (2) monoethanolamine

[0139]

[0140] The reaction produces reactants.

[0141] b) sequentially add (3) cyclohexylamine, (4) auxiliary additive and (5) isooctyl nitrate to the reactant thus generated in step a) to generate the reactant; wherein the auxiliar...

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Abstract

The invention discloses a high-temperature-resisting superstrong dynamic water-repelling microemulsification diesel fuel composite additive. A main additive is prepared from, by weight, 810+ / -20 parts of oleic acid, 65+ / -20 parts of monoethanolamine, 130+ / -20 parts of cyclohexylamine, 190+ / -20 parts of auxiliary additives, 15+ / -5 parts of isooctyl nitrate and 2+ / -1 parts of ferrocene. The auxiliary additives are prepared from, by weight, 30+ / -15 parts of polysorbate 60, 30+ / -15 parts of liposomes 80, 20+ / -10 parts of naphthenic acid, 15+ / -5 parts of copper naphthenate, 15+ / -5 parts of manganese naphthenate, 15+ / -5 parts of barium naphthenate, 40+ / -25 parts of megilp, 35+ / -15 parts of ethyl acetate, 60+ / -35 parts of calcium sulfonate, 50+ / -25 parts of methyl ethyl ketone peroxide, 45+ / -25 parts of sodium diethylhexyl sulfosuccinate and 60+ / -35 parts of methylal. The invention further discloses a preparation method of the composite additive. The mutual dissolution, stability, high temperature resistance, emulsifying property and dynamic water repelling performance of prepared microemulsification diesel fuel are ideal.

Description

technical field [0001] The invention relates to a high-temperature-resistant ultra-strong dynamic water-repellent micro-emulsion diesel oil composite additive, in particular to a preparation method of the composite additive. Background technique [0002] In view of the depletion of non-renewable petroleum resources, one of the options to solve the fuel crisis is to save fuel and find substitutes for petroleum products. Using diesel oil to add water to make emulsified diesel oil can achieve the purpose of promoting complete combustion and saving diesel oil. [0003] However, as an unstable system, emulsified diesel oil has poor storage performance and unstable combustion during use, which limits its popularization and utilization. The main reason is that emulsified diesel oil is two incompatible objects, water and oil, which are suspended in the oil in the form of dispersed beads through an emulsifier, forming a water-in-oil state. Because water is denser than diesel oil, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/188C10L1/222C10L1/223C10L1/23C10L1/30C10L1/198C10L1/19C10L1/185C10L1/24
Inventor 刘丹红
Owner QUANZHOU XINRAN ENVIRONMENTAL PROTECTION ENERGY