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Coal combustion cleaning catalyst

A catalyst and coal combustion technology, applied in fuel additives, fuels, solid fuels, etc., can solve the problems of catalyst stability decline and inability to apply to large boilers, etc., to reduce air excess coefficient, optimize ash surface performance, and heat diffusion. Effect

Inactive Publication Date: 2019-10-29
南宁方力电气有限公司
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  • Abstract
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Problems solved by technology

However, the existing catalysts cannot be applied to large boilers of more than 1,000 tons, and once the temperature is too high, the stability of the catalyst will drop sharply

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] A coal combustion cleaning catalyst, including the following components: solvent, oxygen-containing free radical components, penetration components, catalytic cracking components, functional surface components, and metal organic chelates;

[0017] The solvent is one or more of kerosene, coal liquefied oil, tar, polyoxyethylene castor oil;

[0018] The penetrating component is a mixture of polyoxyethylene ether, sulfuric acid, dodecene, dimethylsulfoxide CAB conoleamidopropyl;

[0019] In the catalytic cracking component, the catalyst active component is a non-noble metal of VIB and / or VIII group, and the catalyst carrier is an amorphous oxide or silicate;

[0020] The functional surface component is a mixture of octylphenol polyoxyethylene ether, organic ammonium salt and alcohols.

[0021] Preferably, the oxygen-containing free radical class component is a mixture of sodium nitrite, potassium nitrite, sodium nitrate, potassium nitrate, and the mass ratio of sodium nit...

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Abstract

The invention relates to the technical field of coal combustion, in particular to a coal combustion cleaning catalyst. The coal combustion cleaning catalyst is prepared from the following components:a solvent, an oxygen-containing free radical component, a permeating component, a catalytic cracking component, a function surface component and a metal organic chelate. The coal combustion cleaning catalyst can promote oxygen-enriched combustion of coal, and can further reduce emission of dust, carbon monoxide and carbon dioxide; and the coal combustion cleaning catalyst can further reduce generation of coke scale in coal-consumed boiler and decoke and descale, improve a working condition of a combustor, improve the production safety, and reduce the operation and maintenance costs of the coalcombustion cleaning catalyst.

Description

technical field [0001] The invention relates to the technical field of coal combustion, in particular to a coal combustion cleaning catalyst. Background technique [0002] The combustion efficiency of coal in the prior art is generally lower than 85%. At the same time, problems of sulfur dioxide, nitrogen oxides, and smoke pollution will also be generated during the combustion process. Improving the combustion efficiency of coal can effectively save coal resources. The common method to improve coal combustion efficiency is to let coal undergo oxygen-enriched combustion. Due to the existence of objective factors, sulfur dioxide and nitrogen oxides are bound to be produced during coal combustion. The traditional The method is to use adsorbents to adsorb and filter sulfur dioxide and nitrogen oxides to prevent them from entering the atmosphere to pollute the air. The amount of sulfur dioxide and nitrogen oxides produced during coal combustion is large, which requires a large am...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L9/10C10L10/02
CPCC10L9/10C10L10/02
Inventor 李全文王重力
Owner 南宁方力电气有限公司
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