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Lightweight thermal-insulation bricks and production method thereof

A kind of insulation brick, light technology, applied in the field of insulation bricks, can solve the problems that affect the service life of insulation bricks, purchasing power and transportation costs, low compressive strength, high cost of raw materials, etc., to achieve suitable for large-scale production, light weight, simple preparation convenient effect

Inactive Publication Date: 2017-10-17
HEFEI SHANGHAN DECORATION ENG CO LTD
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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. One of them is widely used. Usually, the lower insulation brick is a new type of building material synthesized by polymer materials. It has certain good fire resistance, heat insulation, sound insulation, crack resistance and waterproof performance, so as to achieve the effect of energy saving and environmental protection. Although this type of insulation brick has many performance advantages compared with ordinary sintered bricks, there are three problems in today's insulation bricks: high raw material cost, low compressive strength, and high dry density, which seriously affect the service life and purchasing power of insulation bricks. and shipping costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A lightweight insulating brick, including the following raw materials: 80kg of mine tailings, 20kg of modified zeolite, 20kg of fly ash, 10kg of silicon carbide fiber, 10kg of attapulgite clay, 8kg of orthoclase powder, 4kg of hydrosol, and 1kg of water reducer , water repellent 1kg, foaming agent 1kg and foam stabilizer 1kg;

[0026] The preparation method of the modified zeolite is as follows: take 20 kg of zeolite and put it into a mixed solution of sodium carbonate and potassium permanganate to soak for 2 hours, take it out and dry it, add silane coupling agent KH550 equivalent to 2% by weight of zeolite, Sodium lauryl sulfate equivalent to 1% of the weight of the zeolite and alumina equivalent to 1% of the weight of the zeolite are stirred at 600 r / min for 15 minutes, ground, and passed through a 120-mesh sieve.

[0027] Wherein, the above-mentioned water-reducing agent adopts calcium lignosulfonate; the water-repellent agent adopts silicone emulsion; the foam stab...

Embodiment 2

[0036] A lightweight insulation brick, including the following raw materials: 90kg of mine tailings, 30kg of modified zeolite, 25kg of fly ash, 15kg of silicon carbide fiber, 15kg of attapulgite clay, 10kg of orthoclase powder, 6kg of hydrosol, and 3kg of water reducer , Hydrophobic agent 3kg, foaming agent 2kg and foam stabilizer 2kg;

[0037] The preparation method of the modified zeolite is as follows: take 30 kg of zeolite and put it into a mixed solution of sodium carbonate and potassium permanganate to soak for 3 hours, take it out and dry it, add silane coupling agent KH550 equivalent to 3% by weight of zeolite, Sodium lauryl sulfate equivalent to 2% of the weight of the zeolite and alumina equivalent to 2% of the weight of the zeolite are stirred at 700r / min for 20 minutes, then ground, and passed through a 140-mesh sieve to obtain the product.

[0038] Among them, the above-mentioned water-reducing agent uses sodium polyacrylate; the water-repellent agent uses silicon...

Embodiment 3

[0047] A lightweight insulating brick, including the following raw materials: 100kg of mine tailings, 40kg of modified turbidite, 30kg of fly ash, 20kg of silicon carbide fiber, 20kg of attapulgite clay, 12kg of orthoclase powder, 8kg of hydrosol, and 5kg of water reducer , Hydrophobic agent 5kg, foaming agent 3kg and foam stabilizer 3kg;

[0048] The preparation method of the modified zeolite is as follows: take 40 kg of zeolite and put it into a mixed solution of sodium carbonate and potassium permanganate to soak for 4 hours, take it out and dry it, add silane coupling agent KH550 equivalent to 4% by weight of zeolite, Sodium lauryl sulfate equivalent to 3% of the weight of the zeolite and alumina equivalent to 3% of the weight of the zeolite are stirred at 800r / min for 25 minutes, then ground, and passed through a 160-mesh sieve to obtain the product.

[0049] Wherein, the above-mentioned water-reducing agent is sodium sulfamate; the water-repellent agent is silicone emuls...

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Abstract

The invention discloses lightweight thermal-insulation bricks and a production method thereof and relates to the field of thermal-insulation bricks. The lightweight thermal-insulation bricks comprise mine tailings, modified laumontite, fly ash, silicon carbide fibers, attapulgite clay, orthoclase powder, hydrosol, a water reducing agent, water repellent, a foaming agent and a foam stabilizer. The production method includes: performing ball milling on the raw materials to obtain a powdered material; mixing all the raw materials, adding water, and evenly stirring to obtain slurry; performing compression moulding, natural maintaining, drying, high-temperature calcining and the like on the slurry to obtain the lightweight thermal-insulation bricks. The lightweight thermal-insulation bricks are low in dry density, lightweight, convenient and fast to transport, low in raw material cost, high in compressive strength, long in service life and promising in market prospect.

Description

technical field [0001] The invention relates to the field of thermal insulation bricks, in particular to a lightweight thermal insulation 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. One of them is widely used. Usually, the lower insulation brick is a new type of building material synthesized by polymer materials. It has certain good fire resistance, heat insulation, sound insulation, crack resistance and waterproof performance, so as to achieve the effect of energy saving and environmental protection. Although this type of insulation brick has many performance advantages compared with ordinary sintered bricks, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/36C04B38/10C04B33/13C04B33/132C04B33/135C04B38/02
CPCC04B33/13C04B33/1305C04B33/131C04B33/1315C04B33/1324C04B33/1352C04B33/36C04B38/02C04B38/10C04B2235/3427C04B2235/3472C04B2235/449C04B2235/5244C04B2235/77C04B2235/96C04B38/0067Y02P40/60
Inventor 俞克波
Owner HEFEI SHANGHAN DECORATION ENG CO LTD
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