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Oil-soluble coal-fired soot remover and preparation method thereof

An oil-soluble, soot-removing agent technology, applied in the direction of fuel additives, fuel, petroleum industry, etc., can solve the problems of large amount of addition, low efficiency of soot-cleaning agent, high cost, etc., to reduce corrosion, reduce transportation and use Cost, effect of reducing adhesion

Active Publication Date: 2020-08-11
SHENZHEN GCD PETROLEUM ADDITIVE CO +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide an oil-soluble coal-fired soot remover and its preparation method in view of the problems of low ash removal efficiency, large addition amount and high cost of the current soot remover

Method used

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  • Oil-soluble coal-fired soot remover and preparation method thereof
  • Oil-soluble coal-fired soot remover and preparation method thereof
  • Oil-soluble coal-fired soot remover and preparation method thereof

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preparation example Construction

[0074] see further figure 1 , the preparation method of the above-mentioned oil-soluble coal-fired soot remover comprises the following steps:

[0075] S110, preparation of oil-soluble nano-magnesium oxide

[0076] In one of the embodiments, the step of preparing oil-soluble nano magnesium oxide specifically includes:

[0077] S111. Stir 10-27 parts of a magnesium-containing compound, 2-5 parts of a macromolecular organic acid, 1-8 parts of a small-molecular organic acid, 50-75 parts of an organic solvent, and 1-18 parts of water to obtain a mixture .

[0078] S112. The temperature of the mixture is raised to 160° C. to 230° C., and the temperature is maintained for 1 h to 3 h.

[0079] S113. Continue to raise the temperature of the mixture to 260° C. to 330° C., and then keep it warm for 1 hour to 5 hours.

[0080] S114, obtaining high-concentration oil-soluble nano-magnesium oxide through vacuum distillation.

[0081] In one embodiment, the temperature during vacuum dis...

Embodiment 1

[0095] In parts by mass, 40 parts of oil-soluble nano-magnesium oxide, 25 parts of oil-soluble nano-copper oxide, 3 parts of stearylamide, 13 parts of propanol, 1 part of propyl laurate and 8 parts of lemon Zinc acid is added to the preparation kettle and heated to 45°C, stirred at a stirring speed of 400r / min for 0.5h until uniformly mixed to obtain an oil-soluble coal-fired soot remover.

[0096]Among them, the preparation method of oil-soluble nano-magnesium oxide is as follows: in parts by mass, 20 parts of magnesium oxide, 2 parts of myristic acid, 6 parts of acetic acid, 55 parts of olefin oligomers and 18 parts of water are stirred evenly, and the temperature is raised to 200 ° C. Then heat-preserve and react for 3 hours; then continue to heat up to 330° C., heat-retain and react for 2 hours, and concentrate to obtain the oil-soluble nano-magnesium oxide.

[0097] Wherein, the preparation method of oil-soluble nano-copper oxide is: in parts by mass, 12 parts of copper h...

Embodiment 2

[0099] In terms of parts by mass, 45 parts of oil-soluble nano-magnesia, 15 parts of oil-soluble nano-copper oxide, 1 part of polyacrylic acid, 5 parts of n-butanol, 1 part of urea and 8 parts of ferrocene were added Heat it in the preparation tank to 50°C, stir at a stirring rate of 300r / min for 0.5h until uniformly mixed to obtain an oil-soluble coal-fired soot remover.

[0100] Wherein, the preparation method of oil-soluble nano-magnesium oxide is as follows: in parts by mass, 25 parts of magnesium hydroxide, 2 parts of dodecanoic acid, 6 parts of propionic acid, 60 parts of heavy aromatics and 12 parts of water are stirred evenly, and the temperature is raised to After heating at 230° C. for 1 hour; then continue to heat up to 280° C., then hold it for 4 hours and concentrate to obtain the oil-soluble nano-magnesium oxide.

[0101] Wherein, the preparation method of oil-soluble nano-copper oxide is as follows: in parts by mass, 16 parts of copper oxide, 3 parts of naphthen...

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Abstract

The invention relates to an oil soluble fire coal dust remover and a preparation method of the oil soluble fire coal dust remover. The oil soluble fire coal dust remover comprises the following materials by mass: 10-50 parts of oil soluble nanometer magnesia, 10-40 parts of oil soluble nanometer copper oxide, 1-5 parts of a dispersion stabilizer and 0-20 parts of a diluent. A liquid product prepared through the oil soluble fire coal dust remover and the preparation method of the oil soluble fire coal dust remover can be fully mixed with a coal powder, compared with the solid dust remover, theoil soluble fire coal dust remover is more evenly mixed, and the use effect is improved.

Description

technical field [0001] The invention relates to the technical field of coal-fired soot remover, in particular to an oil-soluble coal-fired soot remover and a preparation method thereof. Background technique [0002] According to statistics, there are tens of thousands of industrial boilers of various types in my country, and the coal consumption of boilers accounts for more than 1 / 3 of the total coal consumption in the country. Because coal contains impurities such as sulfur and minerals, a large amount of hard slagging will be formed on the furnace wall during the combustion process. Slagging has a much larger thermal resistance than metal walls, thus reducing the heat transfer effect, increasing boiler exhaust smoke loss, taking away a large amount of heat, reducing boiler efficiency and increasing ventilation power consumption. At the same time, due to its locality, slagging will affect the normal operation of steam and water inside the heating surface. In addition, it ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L10/06
CPCC10L10/06C10L2200/0254C10L2300/20
Inventor 叶世春严斌胡涛英熊靓
Owner SHENZHEN GCD PETROLEUM ADDITIVE CO
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