High-strength fireproof heat-preserving castable

A technology of refractory heat preservation and castables, which is applied in the field of refractory materials, can solve the problems of increased equipment weight and volume, increased material consumption and cost, and large heat capacity of kiln lining, and achieves increased contact specific surface area, reduced cost, insulation good heat effect
CN107200564AInactive Publication Date: 2017-09-26张静芬
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
张静芬
Publication Date
2017-09-26
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

Abstract

The invention discloses a high-strength fireproof heat-preserving castable. The castable is prepared from the following components in parts by weight: 50 to 55 parts of 1 to 8 mm light-weight konite, 5 to 10 parts of perlite raw ore, 10 to 25 parts of 1mm to 0mm light-weight Bonite, 5 to 10 parts of 200-mesh light-weight pyrophyllite powder, 5 to 10 parts of 325-mesh light-weight mullite fine powder, 5 to 10 parts of silica powder, 5 to 10 parts of Al2O3 micro powder with a particle size of 2 to 3 micrometers, 3 to 8 parts of aluminate cement, 5 to 10 parts of 0.25 to 1.5 mm glass beads, 0.31 part of sodium hexametaphosphate, and 0.3 part of explosion-proof fibers. The low heat-conduction fireproof energy-saving castable is obtained by virtue of the steps of stirring, uniformly mixing, oscillating molding, maintaining and baking and has the characteristics of light weight, high strength, low heat conduction coefficient, high temperature resistance, low water absorption rate and good compactness.
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Description

technical field

[0001] The invention relates to the technical field of refractory materials, in particular to a high-strength refractory and thermal insulation castable and a preparation method thereof. Background technique

[0002] In blast furnaces, hot blast stove pipes, etc., in order to ensure the temperature of high-temperature gas during transportation, refractory materials must be built in the pipes. In the use of high-temperature kilns, in order to ensure the thermal insulation effect of the kiln and improve the service life of the kiln lining, a combination of heavy bricks and light refractory materials is often used to build the kiln lining, resulting in a large heat capacity and reduced thermal efficiency of the kiln lining. Because traditional lightweight energy-saving materials have the defects of large porosity, high water absorption, relatively low strength, and poor thermal insulation and energy-saving effects, they cannot be directly used in the working lay...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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