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Composite sintering catalyst

A technology for catalysts and raw materials, applied in the field of composite sintering catalysts, can solve the problems of a single proportion of various components, a single additive formula, and unsatisfactory use effects, so as to reduce the sintering cost, improve the sintering process, and improve the vertical sintering. effect of speed

Active Publication Date: 2013-09-25
通化耐博新材料股份有限公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Most of the additives used in the traditional sintering technology and process are of a single type (single formula, single addition ratio of various ingredients), and the use effect is difficult to be satisfactory

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1 A composite sintering catalyst consisting of 10% carboxymethyl starch, 20% borax, 20% yellow dextrin, 5% slaked lime, 30% calcium-based bentonite and 15% calcium lignosulfonate.

Embodiment 2

[0027] Example 2 A composite sintering catalyst consisting of 8% carboxymethyl starch, 22% boric acid, 20% dextrin, 5% slaked lime, 30% calcium-based bentonite, and 15% sodium lignosulfonate.

Embodiment 3

[0028] Example 3 A composite sintering catalyst consisting of 5% carboxymethyl starch, 30% borax, 30% white dextrin, 5% slaked lime, 20% calcium-based bentonite, and 10% calcium lignosulfonate.

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PUM

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Abstract

The invention relates to composite sintering catalyst which is made of, by weight percent, 3-12% of carboxymethyl starch, 20-60% of borax, 10-35% of dextrin, 5-10% of slaked lime, 10-30% of calcium bentonite and 5-15% of lignin. By the aid of the composite sintering catalyst, on the basis of not changing sintering components and sintering technology, the sintering process can be greatly improved, thermal utilization rate of fuels can be increased, consumption of the fuels is greatly reduced by 5-10%, reactivity of the fuels is enhanced, permeability of beds of material is improved, the speed of vertical sintering is increased, utilization coefficient of sintering is increased, the quality of sinters or refectories is improved, yield is increased by 3%-5%, and sintering cost is reduced.

Description

technical field [0001] The invention relates to a fuel combustion aid, in particular to a composite sintered catalyst. Background technique [0002] my country is a big coal-producing country, but also a big coal-consuming country. In various consumptions, coal or coke dominates. For example, coal or coke is mostly used as fuel for sintering of minerals or refractory materials, and in a considerable For a long time, the energy structure dominated by coal or coke will not change. But the resulting environmental pollution is also very serious. Against the backdrop of global warming and rising calls for emission reductions, for developing countries, improving energy utilization efficiency and reducing unnecessary energy waste is a relatively good, fast-acting, and practical way to reduce emissions . Coal-burning additives can improve the combustion characteristics of coal and increase the combustion efficiency of coal. On the one hand, it can save coal consumption, and on the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10L9/10
Inventor 邵建秋魏宇珩马守义高义
Owner 通化耐博新材料股份有限公司
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