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Sulfur-fixing type clean coal briquette and preparation method thereof

A briquette and clean technology, which is applied in the field of sulfur-fixing clean briquette and its preparation, can solve problems such as increasing the production cost of briquette, generating fire hazards, and low sulfur-fixing efficiency, and achieves easy popularization and use, low cost, and easy The effect of storage and transportation

Inactive Publication Date: 2018-12-07
宁夏兴顺煤业有限公司
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

However, there is no good method for drying coal briquettes to solve this problem.
Moreover, drying will also increase the production cost of large coal, resulting in waste of energy.
If the operation is not careful, it is also very easy to cause a fire hazard during the drying process
[0004] Moreover, the existing industrial briquette products have low sulfur fixation efficiency, and certain sulfides will still be released during the combustion process.

Method used

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  • Sulfur-fixing type clean coal briquette and preparation method thereof

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0026] The terms "first", "second", "third", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily to describe a specific order or sequentially. It should be understood that the items so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusi...

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Abstract

The invention provides a sulfur-fixing type clean coal briquette which contains the following components by weight percent: 73%-80% of semi-coke, 4%-6% of coal briquette binder, 2%-3% of dehydrating agent, 0.3%-3% of coal briquette additive, 1%-2% of potassium manganate and 1%-3% of potassium permanganate, wherein the coal briquette additive is a mixture of potassium nitrate, potassium chloride, quick lime, sodium chloride and potassium perchlorate.

Description

technical field [0001] The invention relates to the field of molded coal processing, in particular to a sulfur-fixing clean molded coal and a preparation method thereof. Background technique [0002] Coal has been recognized as the cheapest energy source. The energy waste and environmental pollution caused by the direct combustion of raw coal are obvious to all. In order to change this situation, burning briquette coal, which is both energy-saving and environmentally friendly, is a must. Simple yet effective method. [0003] The use of briquette is a reform of the existing coal combustion. Compared with other coal fuels, it has advantages in all indicators, but the use of briquette has not been well promoted because it has a production bottleneck problem- -drying. In the process of briquette production, drying technology has become one of the important factors limiting the output of briquette. And the drying of coal briquettes does not have a good method to solve this pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/14
CPCC10L5/14
Inventor 王军
Owner 宁夏兴顺煤业有限公司
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