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Fired-coal furnace and its additive

A kiln and coal-burning technology, used in furnaces, fuels, combustion chambers, etc., can solve the problems of insufficient combustion of coal and large heat loss, and achieve the effect of significant coal saving, fast burning speed and high calorific value.

Active Publication Date: 2007-09-05
颐珑达绝热材料技术(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the disadvantages of large heat loss and incomplete combustion of coal-fired furnaces in the existing structure, the present invention proposes a coal-fired kiln and coal-fired additives

Method used

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  • Fired-coal furnace and its additive

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Experimental program
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Effect test

Embodiment

[0026] Constructing a horizontal ceramic tile sintering kiln with the technical scheme of the invention

[0027] The outer side of the furnace body 1 is wrapped with an insulating layer, the inner side of the furnace body is coated with an inherent far-infrared reflective layer 3, a grate 4 is installed in the lower part of the furnace cavity, and a coal-fired layer 5 is formed on the upper part of the grate. An air supply and slag discharge cavity 6 is formed between the side and the inner cavity of the furnace, and a combustion heating cavity 7 is formed on the upper part of the coal combustion layer of the furnace body, and ceramic tiles are sintered in the combustion heating cavity.

[0028] Insulation layer composition: Take aluminum silicate rock wool 10, sepiolite 50, polyvinyl alcohol 1, rare earth composite adhesive 0.8, sodium bentonite 10 and OP10 penetrant 1 part and closed-cell hollow ceramic powder 30% by weight. 70% mixture of closed-cell porous ceramic particles 0....

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Abstract

This invention provides a coal burning furnace and additive in the domain of heat engineering. There is heat protection layer outside the furnace and the far IR reflection layer inside the furnace. The under-part of the inside furnace sets grate and the up-part forms the burning coal layer. The under-part and inside furnace consist the gas-supplying waste-out tune and the up-part of the burning coal layer forms burning heat supplying tune. The burning coal additive is added to the burning coal. The heat protection layer outside the furnace protects heat well and the inside far IR reflection layer can reflect the transferring heat to radiation heat so as to improve the heat utilization. The additive of the burning coal can let the coal burn efficiently and improve the burning rate and heat productivity. This furnace can be used to the industrial burning coal sinter, bake and calcinations.

Description

Technical field [0001] The invention proposes a coal-fired kiln and coal-fired additive for heating in the thermal engineering field. Background technique [0002] Before the present invention was proposed, the outer side of the furnace body used for heating was usually provided with an insulation layer, and the inner side was provided with a lining layer made of refractory materials. Since the outer insulation layer was usually made of ordinary insulation materials, the insulation effect Poor; the refractory lining provided on the inner side can only play a role of fire resistance, without heat reflection. Therefore, this kind of kiln has a large heat loss and wastes energy. [0003] The coal that provides the heat source for the kiln is usually burned directly, and the coal cannot be fully burned, resulting in low fuel utilization and low thermal efficiency. Summary of the invention [0004] In order to overcome the shortcomings of large heat loss in existing kilns and insuffi...

Claims

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Application Information

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IPC IPC(8): F23M5/00F27D1/00C10L9/12
Inventor 张笑歌
Owner 颐珑达绝热材料技术(北京)有限公司
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