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Pressure-resistant lightweight heat-insulating brick and preparation method thereof

A kind of insulation brick, light-weight technology, applied in ceramic products, other household appliances, applications, etc., can solve the problems that affect the reliability and safety of construction projects, high sintering temperature of refractory insulation bricks, increase processing costs, etc., to achieve suitable promotion application, high compressive strength, and the effect of reducing the cost of raw materials

Inactive Publication Date: 2018-04-17
明光市裕阳新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of the national economy and the continuous improvement of people's living standards, the consumption of energy is also increasing, and the problem of energy shortage is becoming more and more prominent. Therefore, people pay more and more attention to energy-saving and environmentally friendly building materials. It is widely used. Usually, the lower insulation brick is made of sawdust, polylight ball, kaolin, bauxite clinker, etc., but the cost of the above-mentioned raw materials is relatively high, and the sintering temperature is high in the process of preparing refractory insulation brick. From Another aspect increases the processing cost
Moreover, the demand for low-density refractory bricks in industrial production is increasing, and the requirements for the compressive strength of low-density products are also getting higher and higher. The compressive strength must be above 1.5MPa. However, the low-density refractory bricks currently on the market The above compressive strength cannot be achieved, seriously affecting the reliability and safety of construction projects

Method used

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  • Pressure-resistant lightweight heat-insulating brick and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of pressure-resistant light-weight insulation brick, the following raw materials are prepared: 70kg of dehydrated river mud, 50kg of tailings iron sand, 30kg of modified diatomite, 5kg of floating beads, 5kg of purple sand shale, 5kg of ceramic fiber, 5kg of shell carbon powder, peroxidized Calcium 4kg, hydroxyethyl methylcellulose 4kg, methyl methacrylate 3kg, dry strength agent 1kg and blowing agent 1kg.

[0028] Among them, the water content of the dehydrated river mud is controlled at 15%, and the tailings iron sand, floating beads and purple sand shale are crushed to a particle size of 1-2mm by a jaw crusher;

[0029] In addition, the above-mentioned shell charcoal powder only uses coconut shell charcoal; the above-mentioned dry strength agent uses cationic polyacrylamide; the above-mentioned foaming agent uses triethoxybutane.

[0030] The preparation process of the above-mentioned compression-resistant lightweight insulation brick is carried out according ...

Embodiment 2

[0036] A kind of pressure-resistant light-weight insulation brick, prepare the following raw materials: dehydrated river mud 80kg, tailings iron sand 60kg, modified diatomite 40kg, floating beads 10kg, purple sand shale 10kg, ceramic fiber 8kg, shell carbon powder 8kg, peroxidized Calcium 6kg, hydroxyethyl methylcellulose 5kg, methyl methacrylate 4kg, dry strength agent 2kg and blowing agent 2kg.

[0037] Among them, the water content of the dehydrated river mud is controlled at 20%, and the tailings iron sand, floating beads and purple sand shale are crushed to a particle size of 1-2mm by a jaw crusher;

[0038] In addition, the above-mentioned shell charcoal powder only uses rice husk powder; the above-mentioned dry strength agent uses chitosan; the above-mentioned foaming agent uses sodium silicate.

[0039] The preparation process of the above-mentioned compression-resistant lightweight insulation brick is carried out according to the following steps:

[0040] 1) First, a...

Embodiment 3

[0045] A kind of pressure-resistant light-weight insulation brick, the following raw materials are prepared: 100kg of dehydrated river mud, 80kg of tailings iron sand, 50kg of modified diatomite, 15kg of floating beads, 15kg of purple sand shale, 10kg of ceramic fiber, 10kg of shell carbon powder, peroxidized Calcium 8kg, hydroxyethyl methylcellulose 6kg, methyl methacrylate 5kg, dry strength agent 3kg and blowing agent 3kg.

[0046] Among them, the water content of the dehydrated river mud is controlled at 15%, and the tailings iron sand, floating beads and purple sand shale are crushed to a particle size of 1-2mm through a jaw crusher. The shell charcoal powder uses coconut shell charcoal, rice husk powder and straw powder a mixture of all three;

[0047] In addition, the above-mentioned shell charcoal powder only uses coconut shell charcoal; the above-mentioned dry strength agent uses chitosan; the above-mentioned foaming agent uses sodium silicate.

[0048] The preparatio...

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Abstract

The invention discloses a pressure-resistant lightweight heat-insulating brick and a preparation method thereof and relates to the technical field of novel building materials. The heat-insulating brick comprises dewatered river mud, tailings iron sand, modified diatomite, floating bead, purple sand shale, ceramic fiber, shell charcoal powder, calcium peroxide, hydroxyethylmethylcellulose, methyl methacrylate, dry strength agent and foamer. The preparation method includes: stirring and mixing raw materials to obtain slurry; performing compression molding, natural maintaining, drying and high-temperature calcining on the slurry to obtain the heat-insulating brick. The heat-insulating brick has the advantages of low dry density, light volume weight, high pressure resistance and resistance tohigh temperature and corrosion and is long in service life, high in reliability, simple and convenient to prepare and suitable for popularization and application.

Description

technical field [0001] The invention belongs to the technical field of new building materials, and in particular relates to a compression-resistant lightweight heat-insulating brick and a preparation method thereof. Background technique [0002] With the rapid development of the national economy and the continuous improvement of people's living standards, the consumption of energy is also increasing, and the problem of energy shortage is becoming more and more prominent. Therefore, people pay more and more attention to energy-saving and environmentally friendly building materials. It is widely used. Usually, the lower insulation brick is made of sawdust, polylight ball, kaolin, bauxite clinker, etc., but the cost of the above-mentioned raw materials is relatively high, and the sintering temperature is high in the process of preparing refractory insulation brick. From Another aspect increases the processing cost. Moreover, the demand for low-density refractory bricks in indu...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B38/10C04B38/02C04B111/40C04B111/20
CPCC04B28/00C04B38/02C04B38/10C04B2111/00431C04B2111/20C04B2111/40C04B2201/20C04B2201/50C04B18/12C04B14/08C04B18/082C04B14/108C04B14/46C04B14/022C04B22/068C04B24/383C04B24/045
Inventor 辛松
Owner 明光市裕阳新材料有限公司
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