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Coal dustproof flame-retardant covering agent

A covering agent and anti-dust technology, which is applied in the field of daily chemical industry, can solve the problems of human health, animal and plant growth water and soil environment hazards, reduce the economic value of coal, pollute the atmospheric environment, etc., and reduce the economic loss of coal and environmental pollution , social benefits of huge environmental protection, low cost effect

Inactive Publication Date: 2016-07-13
王叶苗
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Smoldering coal is sent to conveying and grinding equipment, causing combustion and explosion accidents
Coal spontaneous combustion is not only a major hidden danger, but also reduces the economic value of coal. At the same time, coal spontaneous combustion will release a large amount of harmful gases such as SO2, CO2, NOx, H2S and CO and a large amount of smoke. A certain amount of toxic substances such as benzos will be generated. These gases will pollute the air environment and cause varying degrees of harm to human health, animal and plant growth, water bodies and soil environments.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0007] Embodiment 1, a coal dustproof flame retardant covering agent, described each raw material is made up of following weight percent: cornstarch 20%, ammonium dihydrogen phosphate 1%, pentaerythritol 1%, ethanol 5%, sodium lauryl sulfate 1%, 0.1% ferric chloride, 5% polyvinyl alcohol and the balance water.

Embodiment 2

[0008] Embodiment 2, a coal dustproof flame retardant covering agent, described each raw material is composed by the following weight percent: cornstarch 10%, ammonium dihydrogen phosphate 2%, pentaerythritol 0.5%, ethanol 10%, sodium lauryl sulfate 0.1%, 2% ferric chloride, 3% polyvinyl alcohol and the balance water.

Embodiment 3

[0009] Embodiment 3, a coal dustproof flame retardant covering agent, described each raw material is composed by the following weight percent: cornstarch 15%, ammonium dihydrogen phosphate 1.5%, pentaerythritol 0.75%, ethanol 7.5%, sodium lauryl sulfate 0.6%, 1.2% ferric chloride, 4% polyvinyl alcohol and the balance water.

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PUM

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Abstract

The present invention relates to the technical field of household chemicals, and particularly relates to a coal dustproof flame-retardant covering agent. The covering agent comprises, by weight, 10-20% of corn starch, 1-2% of ammonium dihydrogen phosphate, 0.5-1% of pentaerythritol, 5-10% of ethanol, 0 .1-1% of sodium lauryl sulfate, 0.1-2% of ferric chloride, 3-5% of polyvinyl alcohol and the balance of water. The coal dustproof flame-retardant covering agent can effectively achieve the double effects of dust suppression and prevention of spontaneous combustion of coal dust.

Description

technical field [0001] The invention relates to the technical field of daily chemical industry, in particular to a dustproof and flame retardant covering agent for coal. Background technique [0002] During the process of coal accumulation and transportation, due to oxidation, the ash content of coal will increase, the fixed carbon and calorific value will decrease, and the quality of coal will be reduced. Coal spontaneous combustion can also cause a large amount of coal to be burned in vain. For example, the bituminous coal burned by Shantou Power Plant is often stored in the coal yard for more than 3 months. Due to the long storage time, spontaneous combustion often occurs, and sometimes spontaneous combustion occurs in several places at the same time. Smoldering coal is sent to conveying and grinding equipment, causing combustion and explosion accidents. Coal spontaneous combustion is not only a major hidden danger, but also reduces the economic value of coal. At the sa...

Claims

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Application Information

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IPC IPC(8): C09K3/22C09K21/04
Inventor 王叶苗
Owner 王叶苗