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Coal additive and preparation method thereof

A technology of coal additive and bulking agent, applied in the field of coal additive and its preparation, can solve the problems of environmental pollution, generation of smoke and dust, etc., and achieve the effects of expanding the combustion area, increasing the combustion calorific value, and eliminating coking at the end of the furnace.

Inactive Publication Date: 2019-04-05
宁波敬业控股集团有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] However, when coal is burned, in addition to sulfur being oxidized into sulfur dioxide, nitrogen is also converted into nitrogen oxides, and coal combustion also produces soot
Sulfur dioxide, nitrogen oxides and soot will all cause environmental pollution, and this additive can only reduce the production of sulfur dioxide, which needs to be improved

Method used

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  • Coal additive and preparation method thereof
  • Coal additive and preparation method thereof

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preparation example Construction

[0050] A method for preparing a coal additive, comprising the steps of:

[0051] Step 1: According to parts by weight, weigh potassium permanganate, potassium perchlorate, ferric chloride, aluminum oxide, calcium magnesium acetate, barium succinate, lauryl polyoxyethylene ether, lauric acid diethanolamide, calcium hydroxide, hydrogen Sodium oxide, polyoxyethylene, catalyst, bulking agent, dispersant, foaming agent, water, urea;

[0052] Step 2: Add potassium permanganate, potassium perchlorate, ferric chloride, aluminum oxide, calcium magnesium acetate, barium succinate, lauryl polyoxyethylene ether, lauric acid diethanolamide, calcium hydroxide, sodium hydroxide, Polyoxyethylene, catalyst, bulking agent, dispersant, foaming agent and urea, just stir evenly.

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Abstract

The invention discloses a coal additive which comprises, by weight, 10-15 parts of potassium permanganate, 3-5 parts of potassium perchlorate, 3-5 parts of iron chloride, 3-8 parts of alumina, 5-10 parts of calcium magnesium acetate, 5-10 parts of barium succinate, 3-5 parts of lauryl alcohol polyoxyethylene ether, 3-5 parts of laurate diethanolamide, 3-8 parts of calcium hydroxide, 1-5 parts of sodium hydroxide, 1-3 parts of polyoxyethylene, 1-3 parts of catalyst, 1-3 parts of swelling agent, 1-3 parts of dispersant, 1-3 parts of foamer and 30-40 parts of water. The coal additive has the advantages that the coal additive can reduce generation of sulfur dioxide, nitrogen oxide and dust during coal burning at the same time, so that the objective of environment protection is achieved.

Description

technical field [0001] The invention relates to coal, in particular to a coal additive and a preparation method thereof. Background technique [0002] Coal is the most abundant and widely distributed fossil fuel on earth. The elements that constitute the organic matter of coal mainly include carbon, hydrogen, oxygen, nitrogen and sulfur. Carbon and hydrogen are elements that generate heat during coal combustion, and oxygen is a combustion-supporting element. [0003] The Chinese patent with publication number CN108441276A discloses an additive for accelerating combustion of coal and a preparation method thereof. The additive is composed of the following substances: potassium nitrate 15-23wt%, potassium permanganate 2-5wt%, nanometer iron oxide 4-9wt%, sulfur-fixing agent 3-6wt%, cerium nitrate 2-4wt%, diethylene glycol 15 ~18wt%, multi-carbon monohydric alcohol 4~6wt%, leavening agent 12~17wt%, sodium dodecylbenzene sulfonate 1~3wt%, foaming agent 1~4wt%, water balance. ...

Claims

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Application Information

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IPC IPC(8): C10L9/10C10L9/12
CPCC10L9/10C10L9/12
Inventor 戴天珍崔露露
Owner 宁波敬业控股集团有限公司
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