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Emulsifier, tar coal water slurry fuel and preparation method thereof

A technology of coal water slurry and emulsifier, which is applied in fuel, liquid carbon-containing fuel, petroleum industry, etc., can solve the problems of sedimentation, emulsifier dispersion, poor emulsification and stability, and cannot be used in normal production, so as to achieve fuel slurry Uniform volume, low cost, and improved stability

Pending Publication Date: 2022-05-10
佛山市天亿化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, ceramic enterprises often mix emulsifier, coal, water, coal water slurry additives and tar residue to make tar coal water slurry fuel. Slurry fuel will produce sediment after standing for a period of time and cannot be used for normal production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0029] The preparation method of the emulsifier is not particularly limited in the present invention, and the preparation method of the composition well-known to those skilled in the art is adopted, and the polyaluminum chloride, sodium carbonate and sodium chloride can be mixed.

[0030] The present invention also provides a kind of tar coal water slurry fuel, comprises the component of following mass parts:

[0031] 0.15 to 0.3 parts of the emulsifier described in the above technical solution, 4 to 6 parts of tar residue, 20 to 27 parts of coal, 13 to 17 parts of water and 0.045 to 0.06 parts of the coal water slurry additive, preferably 0.2 parts of the emulsifier described in the above technical solution 5 parts of tar residue, 25 parts of coal, 15 parts of water and 0.045 parts of coal water slurry additive.

[0032] In the present invention, the particle size of the coal is preferably ≤30mm; the moisture content of the coal is preferably 5-20%; the air-dry basis moisture...

Embodiment 1

[0044] Weigh 7g of polyaluminum chloride, 2g of sodium carbonate, and 1g of sodium chloride in a mass ratio of 7:2:1 and mix to obtain an emulsifier for later use.

[0045] Weigh 2g emulsifier, 170g coal (water content 13.5%, particle size ≤ 5mm), 156g water, 80g tar residue (particle size ≤ 5mm, tar and residue mass ratio 1:2) and 3.0g mass concentration It is a 30% aqueous solution of coal water slurry additive (the mass ratio of sodium naphthalene sulfonate, sodium lignin sulfonate, sodium hydroxide and sodium silicate is 6.5:1.5:1:1), ball milling at a speed of 600r / min 5min, to obtain tar coal water slurry fuel.

Embodiment 2

[0047] According to the mass ratio of 80:15:5, take 80g of polyaluminum chloride, 15g of sodium carbonate, and 5g of sodium chloride and mix them evenly to obtain an emulsifier, which is set aside.

[0048] Weigh 2g emulsifier, 170g coal (Inner Mongolia coal, moisture content 17.2%, particle size ≤ 5mm), 143.8g water, 80g tar residue (particle size ≤ 5mm, mass ratio of tar and residue is 1:3) and 3.0g CWS additive aqueous solution with a mass concentration of 30% (the mass ratio of sodium naphthalene sulfonate, sodium lignin sulfonate, sodium hydroxide, and sodium silicate is 7:1:1:1), at a speed of 600r / min Lower ball milling for 5 minutes to obtain tar coal-water slurry fuel.

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Abstract

The invention provides an emulsifier, a tar coal water slurry fuel and a preparation method of the tar coal water slurry fuel, and relates to the technical field of preparation of tar coal water slurry emulsifiers. The emulsifier provided by the invention comprises the following components in percentage by mass: 50-90% of polyaluminum chloride, 5-30% of sodium carbonate and 5-20% of sodium chloride. The emulsifier provided by the invention has the characteristics of good dispersity, emulsibility and stability, can effectively improve the uniformity of tar coal water slurry fuel slurry, and does not generate precipitates. And the emulsifier provided by the invention is low in cost. Results of the embodiment show that the tar coal water slurry fuel prepared by the invention is uniform in slurry, is not layered, and does not generate precipitates within 48 hours.

Description

technical field [0001] The invention relates to the technical field of preparation of tar coal-water slurry fuel emulsifier, in particular to an emulsifier, tar coal-water slurry fuel and a preparation method thereof. Background technique [0002] Ceramic enterprises generally use coal gas to fire tiles, and a lot of coal tar (slag) is usually produced in the process of coal gas production. A large ceramic enterprise produces nearly a thousand tons of coal tar (slag) every year. These coal tar (slag) are in the form of glue Although it has a high calorific value, it is difficult to handle due to the large amount of water and impurities. Conventional treatment method is to use coal tar (slag), water, coal water slurry additive and emulsifier as raw materials to prepare tar coal water slurry fuel. [0003] At present, ceramic enterprises often mix emulsifier, coal, water, coal water slurry additives and tar residue to make tar coal water slurry fuel. Slurry fuel will precipi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L1/32
CPCC10L1/326
Inventor 赵玉岭赵大路
Owner 佛山市天亿化工有限公司
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