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Light-weight fireproof castable for furnaces

A refractory castable and castable technology, applied in the field of lightweight refractory castables, can solve the problems of poor sound insulation effect, strong earthquake resistance, poor building stability, etc., and achieve convenient construction, long service life and environmental protection. Effect

Inactive Publication Date: 2016-04-13
QINGDAO BAIJIANCHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the sound insulation effect is poor, the earthquake resistance is strong, and the stability of the building is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment l

[0008] Embodiment 1, get 35kg of pulverized raw materials volcanic rock, 27kg of shale ceramsite, 22kg of perlite, 13kg of pure calcium aluminate cement, 1.2kg of white mud and 1.8kg of binder, and the above-mentioned raw materials are uniformly mixed and packed into bags for use.

example 2

[0009] Example 2, get 33kg of pulverized raw volcanic rock, 29kg of shale ceramsite, 21kg of perlite,

[0010] 14kg of pure calcium aluminate cement, 0.8kg of lime mud and 2.2kg of binder, the above raw materials are evenly mixed, put into bags for use.

[0011] Example 3. Take 38kg of pulverized raw volcanic rock, 25kg of shale ceramsite, 29kg of perlite, 7kg of pure calcium aluminate cement, 0.6kg of white mud and 2.4kg of binder. The above raw materials are evenly mixed and packed into bags for use.

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Abstract

The invention relates to a light-weight fireproof castable for furnaces. The castable is prepared from the following raw materials in percentage by weight: 20-40% of volcanic rock, 15-35% of shale ceramsite, 15-35% of perlite, 5-15% of pure calcium aluminate cement, 0.1-1.5% of white clay and 1-3% of a bonding agent. The light-weight fireproof castable for the furnaces, disclosed by the invention, has the beneficial effects that volcanic rockwaste resources are mainly used as raw materials for making the light-weight fireproof castable, and besides, after the furnaces are disassembled, the light-weight fireproof castable can be recovered for reuse, and environmental protection is facilitated; the light-weight fireproof casting material has the advantages of being light in weight, good in thermal insulation performance, good in sound insulation performance, high in strength, convenient to construct, long in service life and the like, concurrently has the effects of load bearing, heat preservation and shock resistance, and can be widely used for working lining or permanent lining of middle and high temperature furnaces in electric power, chemical industry, metallurgy and the like.

Description

technical field [0001] The invention belongs to a novel light-weight refractory castable for the working lining or permanent lining of medium and high temperature furnaces such as furnace building and kiln building. Background technique [0002] Promoting and expanding the use of unshaped refractory materials is the development direction of furnace construction technology. In recent years, refractory plastics and refractory castables, which have been widely used in recent years, are the main unshaped refractory materials. Compared with refractory bricks, it saves molding, firing, etc. process, saving energy. The furnace is built with unshaped refractory materials, the overall performance of the furnace is good, it is tight, strong, and has a long life, thereby improving the operating rate of the furnace, so it can comprehensively improve the technical and economic indicators of the furnace. There is a castable that uses bauxite cement as a binder. Since the cement hydrate i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 韩君昌
Owner QINGDAO BAIJIANCHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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