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Clean coal burning catalyst

A medium and clean technology, applied in the field of coal-fired or clean coal additives and their production processes, can solve the problems of unavailability of inferior coal, environmental impact of pollutants, incessant combustion of high-quality coal, etc., so as to reduce coal consumption and price. Low cost, lower fuel cost and operating cost effect

Inactive Publication Date: 2003-05-14
SHANGHAI JIENENG SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, the traditional extensive coal burning method has many disadvantages, such as high-quality coal cannot be burned, low-quality coal cannot be used, and pollutant emissions have a serious impact on the environment.

Method used

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Embodiment

[0021] Embodiment: prepare the clean coal catalyst medium of the present invention according to the following formula (percentage by weight) and the described production process:

[0022] Sodium chloride 57.2, magnesium chloride 25, manganese borate 3, potassium permanganate 3.8, potassium chlorate 5, copper iron titanium compound 3, additive 3.

[0023] The method of use is as follows: add 0.3% of coal per ton of coal and dissolve in 10 times of water, and then mix and stir with coal.

[0024] According to comparative measurements by authoritative departments, under the condition of a 4t steam boiler, the calorific value of coal increases by 1200-1600 kcal / kg, which provides conditions for the large-scale use of low-quality coal with a calorific value of 1500-4000 kcal / kg; When it is 77%, the coal saving rate is still > 20%; the furnace temperature can be increased by 50-100°C; the carbon content of cinder can be reduced to about 5%, and the discharge of cinder can be reduced...

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Abstract

The clean coal burning catalyst consists of composite hydrogen-storing alloy, alkali metal chloride, alkali earth metal chloride, boride, alkali metal oxidant, iron and manganese oxidant and other additive. The production process includes preparation of composite hydrogen-storing alloy, and the composition of coal burning catalyst. The clean coal burning catalyst can coal burning efficiency and reduce pollution, and its use makes it possible to use high-sulfur and low-heat value coal in producing briquette, leading in low coal burning cost.

Description

[0001] Technical field: The present invention relates to a fine chemical product, specifically an additive for burning coal or clean coal and its production process. Background technique: [0002] Coal is an important energy and raw material, and is the main fuel for industrial boilers. However, the traditional extensive coal burning method has many disadvantages, such as high-quality coal cannot be burned, low-quality coal cannot be used, and pollutant emissions have a serious impact on the environment. In order to overcome the above shortcomings, the current practice is to mix different coal types in a certain ratio according to their combustion characteristics, calorific value, volatile matter, and combustion indicators such as ignition, sulfur content, slagging, and burnout. And add forming agent and sulfur fixing agent to produce clean coal with different performance, more complete combustion and less pollutant emission. [0003] However, how to further improve the combu...

Claims

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Application Information

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IPC IPC(8): C10L9/10
Inventor 史金沪
Owner SHANGHAI JIENENG SCI TECH
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