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Antifreeze liquid film for pulverized coal transport and preparation method and application thereof

A technology of antifreeze and pulverized coal, applied in coatings, conjugated diene coatings, chloroprene homopolymer coatings, etc., can solve the problem of reducing the use effect and aging of antifreeze, less antifreeze, and waste of antifreeze And other issues

Inactive Publication Date: 2012-09-19
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] But above-mentioned antifreeze also has some defects in use, and the one, when antifreeze is sprayed or be coated on the compartment wall surface of transporting coal train, antifreeze can flow to the bottom of the car, even if adding viscosifier in antifreeze, The phenomenon of downward flow will not be eliminated, resulting in less and less antifreeze on the wall of the car, and the thinner and thinner antifreeze layer, thereby reducing the use effect and aging of the antifreeze; the second is that the washed coal contains 8-15% Even more water, which will spread to the wall of the car during the bumpy transportation of the train, which will further dilute the antifreeze on the wall of the car; it will also significantly reduce the use effect and aging of the antifreeze; More antifreeze will accumulate at the bottom of the carriage, resulting in waste of antifreeze, long-term accumulation will cause certain damage to the bottom of the carriage

Method used

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  • Antifreeze liquid film for pulverized coal transport and preparation method and application thereof
  • Antifreeze liquid film for pulverized coal transport and preparation method and application thereof

Examples

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specific Embodiment approach 1

[0030] Implement the preparation method of antifreeze liquid for transportation of the present invention, and its composition and content are all as follows by mass parts:

[0031] Component A: Take 70 parts of industrial water and place it in a mixer with stirring, then add 26 parts of industrial calcium chloride, 0.1 part of sodium benzoate, 0.2 part of disodium hydrogen phosphate, 0.5 part of sodium nitrite, and 0.2 part of triethanolamine , 3 parts of ethanol, stir and dissolve the above materials at room temperature and mix evenly to obtain component A of antifreeze.

[0032] Component B: Take 70 parts of emulsified petroleum asphalt with a mass content of 45-50% and place it in a mixer with stirring, then add 1 part of emulsified neoprene latex with a mass content of 49-51% and emulsified styrene-butadiene with a mass content of 49-51% 1 part of latex, 0.1 part of defoamer BYK-024, 27.9 parts of industrial water; Stir and mix the above materials evenly at room temperatur...

specific Embodiment approach 2

[0034] Implement the preparation method of antifreeze liquid for transportation of the present invention, and its composition and content are all as follows by mass parts:

[0035] Component A: Take 61 parts of industrial water and place it in a mixer with stirring, then add 30 parts of industrial calcium chloride, 0.3 parts of sodium benzoate, 0.7 parts of disodium hydrogen phosphate, 1.5 parts of sodium nitrite, and 0.5 parts of triethanolamine , 6 parts of ethanol, the above materials were stirred and dissolved at room temperature and mixed evenly to obtain component A of antifreeze.

[0036] Component B: Take 70 parts of anionic emulsified petroleum asphalt with a mass content of 45-50% and place it in a mixer with stirring, then add 5 parts of emulsified chloroprene latex with a mass content of 49-51%, and emulsified butyl asphalt with a mass content of 49-51% 5 parts of benzene latex, 0.3 parts of defoaming agent BYK-024, 19.7 parts of industrial water, stir and mix the ...

specific Embodiment approach 3

[0038] Implement the preparation method of antifreeze liquid for transportation of the present invention, and its composition and content are all as follows by mass parts:

[0039] Component A: Take 64.6 parts of industrial water and put it in a mixer with stirring, then add 28 parts of industrial calcium chloride, 0.2 parts of sodium benzoate, 0.6 parts of disodium hydrogen phosphate, 1.3 parts of sodium nitrite, and 0.3 parts of triethanolamine , 5 parts of ethanol, the above materials are stirred and dissolved at room temperature and mixed evenly to obtain component A of antifreeze.

[0040] Component B: Take 70 parts of anionic emulsified petroleum asphalt with a mass content of 45-50% and place it in a mixer with stirring, then add 4 parts of 49-51% emulsified chloroprene latex, with a mass content of 49-51% emulsified styrene-butadiene latex 4 parts, 0.2 parts of defoaming agent BYK-024, 21.8 parts of industrial water, stir and mix the above materials at room temperature...

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Abstract

The invention relates to an antifreeze liquid film for pulverized coal transport and a preparation method and the application thereof. Industrial calcium chloride, sodium benzoate, sodium hydrogen phosphate, sodium nitrite, triethanolamine and ethanol are used as raw materials to prepare an antifreeze liquid component A. Anionic emulsified petroleum asphalt, anionic emulsified neoprene latex, anionic emulsified styrene-butadiene latex, defoaming agent and industrial water are used as raw materials to prepare asphalt polymer film forming agent component B. The component A and the component B are respectively sprayed on wall faces of a carriage by a spray gun, the component B meeting the component A can automatically precipitate to form a solid asphalt polymer film attached onto an antifreeze liquid layer of the component A, so that the antifreeze liquid film for pulverized coal transport is formed. The antifreeze liquid film effectively prevents antifreeze liquid from flowing from the wall surface of the carriage to the bottom, moisture in transported coal is prevented from dispersing to the carriage wall, and gathering and the like of a great quantity of antifreeze liquid at the carriage bottom can be reduced. Further, utilization of the antifreeze liquid film saves energy resources, shortens wagon transfer time and lowers transport cost.

Description

technical field [0001] The invention relates to an antifreeze liquid film and a preparation method thereof, in particular to an antifreeze liquid film used in transporting pulverized coal materials in winter and a preparation method or application thereof. technical background [0002] The coal-producing area located in the northern region is relatively cold in winter, and water-washed coal is prone to freezing during winter transportation, resulting in frozen cars, wall hanging and bottom sticking, which makes it difficult to unload trucks and seriously affects the normal turnover of railway transportation vehicles. It interferes with the full play of the overall transportation capacity, and also directly affects the benefits of cargo owners and railways due to the reduction of transportation efficiency, causing huge economic losses to railways, coal mines, ports and coal users. At present, when railway transportation is loaded, it is generally adopted to solve the problem ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D195/00C09D111/02C09D109/08C09D7/12C09D5/00
Inventor 李万捷钟丽萍刘芝平赵志军梁镇海
Owner TAIYUAN UNIV OF TECH
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