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A compound additive for heavy oil

A compound additive and heavy oil technology, applied in the field of heavy oil additives, can solve the problems of heavy oil with many harmful impurities, large combustion smoke, poor fluidity, etc., and achieve the effects of being conducive to environmental protection, complete combustion, and reducing fuel costs

Active Publication Date: 2016-02-03
SHANDONG TAIDE NEW ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to address the above deficiencies, to provide a heavy oil composite additive and a preparation method thereof, to solve the problem that the heavy oil has many harmful impurities and needs to be used in demulsification; Technical Issues Affecting Combustion Temperature

Method used

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  • A compound additive for heavy oil
  • A compound additive for heavy oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] (1) At a constant temperature of 20°C, first add 8 parts of polyethylene polyamine polyether, 2 parts of polypropylene glycol, 2 parts of acetic acid, 5 parts of n-butanol, 5 parts of n-pentanol, and 30 parts of water into the mixing tank, and stir 3h;

[0035] (2) Add 5 parts of methyl tert-butyl ether and 10 parts of ethyl tert-butyl ether to the above mixture, and stir for 1 hour;

[0036] (3) Add 20 parts of polyvinylpyrrolidone to the above mixture, and stir for 1 hour;

[0037] (4) Add 3 parts of N,N-disalicylic acid-1,2-propylenediamine to the above mixture and stir for 2 hours to form a microemulsion system, which is the heavy oil composite additive product A of the present invention, which can be stored stably for 150 days without oil and water. separate.

Embodiment 2

[0039] (1) At a constant temperature of 30°C, first add 12 parts of polyethylene polyamine polyether, 7 parts of polypropylene glycol, 4 parts of acetic acid, 7 parts of n-butanol, 8 parts of n-pentanol, and 35 parts of water into the mixing tank, and stir 5h;

[0040] (2) Add 8 parts of methyl tert-butyl ether and 5 parts of ethyl tert-butyl ether to the above mixture, and stir for 2 hours;

[0041] (3) Add 28 parts of polyvinylpyrrolidone to the above mixture, and stir for 1 hour;

[0042] (4) Add 15 parts of N,N-disalicylic acid-1,2-propylenediamine to the above mixture and stir for 3 hours to form a microemulsion system, which is the heavy oil composite additive product B of the present invention. separate.

Embodiment 3

[0044] (1) At a constant temperature of 50°C, first add 17 parts of polyethylene polyamine polyether, 12 parts of polypropylene glycol, 5 parts of acetic acid, 10 parts of n-butanol, 10 parts of n-pentanol, and 50 parts of water into the mixing tank, and stir 6h;

[0045] (2) Add 10 parts of methyl tert-butyl ether and 8 parts of ethyl tert-butyl ether to the above mixture, and stir for 1 hour;

[0046] (3) Add 35 parts of polyvinylpyrrolidone to the above mixture, and stir for 2 hours;

[0047] (4) Add 10 parts of N,N-disalicylic acid-1,2-propylenediamine to the above mixture and stir for 3 hours to form a microemulsion system, which is the heavy oil composite additive product C of the present invention, which can be stably placed for 155 days without oil and water. separate.

[0048] The heavy oil composite additives prepared in Examples 1-3 were added to the heavy oil according to the addition amount of 5ppm, 10ppm, 25ppm, and 40ppm for testing. The test results are shown...

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Abstract

The invention belongs to the field of heavy oil additives, and more specifically is a heavy oil composite additive, which consists of the following components in parts by weight: 10-35 parts of demulsifier; 8-20 parts of surfactant; 10-20 parts of combustion enhancer 20 parts; 20~35 parts of stable dispersant; 3~15 parts of corrosion inhibitor; The main additive greatly dilutes the viscosity of the heavy oil and improves its fluidity, so the dispersibility after spraying from the nozzle is large, it is in full contact with the air, the combustion is complete, and black smoke is eliminated, which is beneficial to environmental protection; with the quality of heavy oil Add the additive of the present invention to the washed heavy oil based on the addition amount of 0-40ppm, the mass fraction of sodium is lower than 4×10-6, the mass fraction of potassium is lower than 0.25×10-6, the oil-water interface is clear, the sewage is colorless and transparent, It can achieve a good demulsification effect; the economic benefit is remarkable, and it can reduce the fuel cost of the user unit and the maintenance cost of combustion equipment such as boilers.

Description

technical field [0001] The invention belongs to the field of heavy oil additives, and more specifically relates to a heavy oil composite additive and provides a preparation method of the additive. Background technique [0002] The shortage of petroleum resources and the shortage of energy have been recognized all over the world. How to solve the shortage of energy has become a research topic of disputes among countries all over the world. The price of heavy oil is low, the source is wide, and it has a certain calorific value, so it is a main source of fuel. Heavy oil is also called residual oil, which is the residual oil after distillate oil is extracted from crude oil through atmospheric or vacuum distillation equipment, or the cracked residual oil extracted from the bottom of the high-temperature pressurized cracking evaporation tower, or a mixture of the two, or adding an appropriate amount A heavy petroleum fuel made from cracked residual oil. [0003] Because heavy oi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L1/238C10L1/236C10L1/222C10L1/198C10L1/188C10L1/185C10L1/182C10L1/12
Inventor 张成如
Owner SHANDONG TAIDE NEW ENERGY
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