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Non-autoclaved lightweight thermal insulation particle aerated concrete block and preparation method thereof

A technology of air-entrained concrete and lightweight particles, which is applied to ceramic products, other household appliances, household appliances, etc., and can solve problems such as unsatisfactory thermal insulation performance of aerated concrete blocks and complicated maintenance processes

Inactive Publication Date: 2020-10-23
CENT SOUTH UNIV +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a non-autoclaved light-weight heat-insulating granular aerated concrete block and its preparation method, so that it has the advantages of light weight, heat insulation, energy saving, high strength, simple maintenance process and low cost. Advantages, in order to solve the problems of unsatisfactory thermal insulation performance and complicated maintenance process of existing aerated concrete blocks

Method used

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  • Non-autoclaved lightweight thermal insulation particle aerated concrete block and preparation method thereof

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Embodiment 1

[0033] A non-autoclaved lightweight thermal insulation granular aerated concrete block, comprising the following components in parts by weight: 650g of cement, 262.5g of fly ash, 87.5g of slag micropowder, lightweight particles (ceramsite, EPS particles and active Consolidated magnesium oxide particles) 100g, hydrogen peroxide 40g, coagulation accelerator 30g, foam stabilizer 1g, water reducing agent 8g, water repellent 4g, fiber 4g, water 400g. The cement is ordinary aluminate cement; the coagulant is one or more of aluminum sulfate, sodium silicate, and sodium carbonate; the foam stabilizer is hydroxypropyl methylcellulose ether, hydroxyethyl One or more of methyl cellulose ether, hydroxyethyl cellulose ether, and methyl cellulose ether; the water reducer is an aromatic sulfonate formaldehyde condensate high-efficiency water reducer, a ketone aldehyde condensate high-efficiency water reducer One or more of water agent, polycarboxylate-based high-efficiency water reducer; the...

Embodiment 2

[0043] A non-autoclaved lightweight thermal insulation granular aerated concrete block, comprising the following components in parts by weight: 66g of cement, 262.9g of fly ash, 90g of slag micropowder, lightweight particles (ceramsite, EPS particles and activated oxidation Magnesium consolidated particles) 140g, hydrogen peroxide 41g, coagulation accelerator 32g, foam stabilizer 1.2g, water reducing agent 9g, water repellent 4.2g, fiber 4.3g, water 410g. The cement is ordinary Portland cement; the coagulant is one or more of aluminum sulfate, sodium silicate, and sodium carbonate; the foam stabilizer is hydroxypropyl methylcellulose ether, hydroxyethyl One or more of methyl cellulose ether, hydroxyethyl cellulose ether, and methyl cellulose ether; the water reducer is an aromatic sulfonate formaldehyde condensate high-efficiency water reducer, a ketone aldehyde condensate high-efficiency water reducer One or more of water agent, polycarboxylate-based high-efficiency water red...

Embodiment 3

[0053] A non-autoclaved lightweight thermal insulation granular aerated concrete block, comprising the following components in parts by weight: 670g of cement, 273.5g of fly ash, 90.25g of fine slag powder, lightweight particles (ceramsite, EPS particles and active Consolidated magnesium oxide particles) 180g, hydrogen peroxide 42g, coagulation accelerator 35g, foam stabilizer 1.35g, water reducing agent 9.6g, water repellent 4.4g, fiber 4.6g, water 420g. The cement is ordinary Portland cement or aluminate cement; the coagulant is one or more of aluminum sulfate, sodium silicate, and sodium carbonate; the foam stabilizer is hydroxypropyl methylcellulose One or more of ether, hydroxyethyl methyl cellulose ether, hydroxyethyl cellulose ether, methyl cellulose ether; the water reducer is an aromatic sulfonate formaldehyde condensate high-efficiency water reducer, ketone One or more of aldehyde condensate superplasticizers and polycarboxylate superplasticizers; the water repellent...

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Abstract

The invention discloses a non-autoclaved lightweight thermal insulation particle aerated concrete block and a preparation method thereof. The aerated concrete block comprises the following components:50 to 100 parts of cement, 0 to 37.5 parts of fly ash, 0 to 12.5 parts of superfine slag powder, 0 to 50 parts of light particles, 2 to 8 parts of a foaming agent, 0 to 5 parts of a coagulation accelerator, 0.025 to 0.175 part of a foam stabilizer, 0.2 to 1.4 parts of a water reducing agent, 0.1 to 0.7 part of a water repellent, 0 to 0.6 part of fibers and 30 to 60 parts of water. The aerated concrete block has the advantages of light weight, heat preservation and insulation, energy conservation, high strength, simple maintenance process and low cost, and solves the problems of non-ideal heatpreservation and insulation performance and complex maintenance process of the existing aerated concrete block.

Description

technical field [0001] The invention relates to the technical field of preparation of aerated concrete blocks, in particular to an autoclaved lightweight heat-preserving granular aerated concrete block and a preparation method thereof. Background technique [0002] According to forecasts, the world's energy demand is increasing by 2% year by year, and a large amount of energy consumption will have a huge impact on the environment, economy, and people's lives. For my country, building energy consumption accounts for about 30% of my country's total energy consumption, which is the main growth point of my country's energy consumption. Among them, wall energy saving is the core issue of building energy saving. The development of new wall materials with light weight, high strength, good thermal insulation performance, and comprehensive functions is not only the general trend of wall material development, but also the need to ensure sustainable economic and social development. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/26C04B28/06C04B28/04C04B38/02
CPCC04B28/04C04B28/06C04B28/26C04B2201/20C04B2201/32C04B2201/50C04B18/08C04B18/141C04B20/002C04B22/068C04B22/04C04B22/148C04B22/10C04B7/02C04B7/32C04B2103/48C04B2103/46C04B2103/65C04B16/0633C04B14/42C04B14/46C04B14/386C04B38/02C04B38/0067
Inventor 刘鹏余志武李永玲刘磊李思杨胡锦波郑志辉卢广丰
Owner CENT SOUTH UNIV
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