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Lightweight refractory castable with refractory floating beads as raw materials

A technology of refractory castables and floating beads, which is applied in the field of lightweight refractory materials and lightweight refractory castables. It can solve the problems of large proportion, uneven structure, and large shape changes of refractory materials, and achieve low heat capacity, wide application range, Easy to prepare and use during construction

Inactive Publication Date: 2019-04-16
青岛万和装饰门窗工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The refractory materials produced by traditional methods such as combustibles addition method, foam method and chemical method have disadvantages such as large proportion, uneven structure, low mechanical strength, large shape change and poor heat insulation performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A light-weight refractory castable made of refractory floating beads is characterized in that it comprises the following raw material components: refractory floating beads and water sol solution.

[0017] Preferably, the following raw material components are included in the weight ratio: refractory floating beads: hydrosol solution = 1:0.01; SiO in the refractory floating beads 2 The content of Al is 50%~65%, Al 2 o 3 The content of sodium silicate is 25%~35%, and the particle size of refractory floating beads is 60 mesh~80 mesh; the hydrosol solution is preferably (sodium silicate:acrylic acid)=(1:1).

Embodiment 2

[0019] A light-weight refractory castable made of refractory floating beads is characterized in that it comprises the following raw material components: refractory floating beads and water sol solution.

[0020] Preferably, the following raw material components are included in the weight ratio: refractory floating beads: hydrosol solution = 1:0.1; SiO in the refractory floating beads 2 The content of Al is 50%~65%, Al 2 o 3 The content of sodium silicate is 25%~35%, and the particle size of refractory floating beads is 60 mesh~80 mesh; the hydrosol solution is preferably (sodium silicate:acrylic acid)=(1:1).

Embodiment 3

[0022] A light-weight refractory castable made of refractory floating beads is characterized in that it comprises the following raw material components: refractory floating beads and water sol solution.

[0023] Preferably, the following raw material components are included in the weight ratio: refractory floating beads: hydrosol solution = 1:0.5; SiO in the refractory floating beads 2 The content of Al is 50%~65%, Al 2 o 3 The content of sodium silicate is 25%~35%, and the particle size of refractory floating beads is 60 mesh~80 mesh; the hydrosol solution is preferably (sodium silicate:acrylic acid)=(1:1).

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Abstract

The invention discloses a lightweight refractory castable with refractory floating beads as raw materials. A castable composition is prepared from the refractory floating beads and hydrosol liquid, wherein the weight ratio of the refractory floating beads to the hydrosol liquid is 1:0.01-1:0.5. Through the injection of the castable, the fire resistance and heat insulation of doors and windows areimproved, and the heat insulation of the doors and windows is ensured; meanwhile, the effects that the lightweight refractory castable has no smoke, no toxicity, no acid-base products and no corrosioneffect and plays an important role in improving and protecting the environment can be achieved, when the lightweight refractory castable is used for preparation, the construction is convenient, the labor intensity is low, and the production efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of refractory materials, and relates to a lightweight refractory material, in particular to a lightweight refractory castable made of refractory floating beads suitable for doors and windows. Background technique [0002] Lightweight refractory castable is an amorphous refractory material with high temperature resistance, low bulk density and low thermal conductivity. Traditional methods such as the addition of combustibles, foam, and chemical methods produce refractory materials with large proportions, uneven structures, low mechanical strength, large shape changes, and poor thermal insulation performance. [0003] Refractory floating beads are one of the important components of lightweight refractory materials. Refractory floating beads have small particle size, light weight, hollow, thin and hard walls, good acid and alkali resistance, high temperature resistance, and small thermal conductivity. Material...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
CPCC04B35/622C04B35/66C04B2235/3201C04B2235/3203C04B2235/3208C04B2235/3418C04B2235/3427C04B2235/3463C04B2235/349C04B2235/77C04B2235/96C04B2235/9607C04B2235/9615
Inventor 李孟合
Owner 青岛万和装饰门窗工程有限公司
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