A kind of preparation method of composite thermal insulation and energy saving lightweight concrete wall panel

A lightweight concrete, composite thermal insulation technology, applied in building materials and other directions, can solve problems such as unfavorable environmental protection and energy saving, unfavorable transportation and construction, poor durability, etc., and achieve good development prospects, good building energy-saving effects, and good hanging performance. Effect

Active Publication Date: 2016-01-20
SHAOGUAN QUANCHENG IND TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing ordinary concrete wall panels are of single structure, and the produced wall panels are heavy in weight and high in cost, which is not conducive to transportation and construction. The production of wall panels will produce a certain amount of construction waste, which is not conducive to environmental protection and energy saving

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  • A kind of preparation method of composite thermal insulation and energy saving lightweight concrete wall panel

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preparation example Construction

[0017] A preparation method of composite thermal insulation and energy-saving lightweight concrete wallboard, comprising an aerated concrete core plate 1, and wallboard composite surface layers 2 are bonded on the two largest surfaces of the aerated concrete core plate 1; and the preparation method thereof as follows:

[0018] The first step is to prepare the slurry: take sand 40-60, lime 12-17, cement 15-20, gypsum 2-3, aluminum powder 0.08, water-to-battery ratio 0.6-0.65 according to the composition and weight ratio, and combine the above materials Put it into the mixer and stir evenly for 4-6 minutes to make slurry;

[0019] The second step is to prepare the steel frame: select cold-drawn low carbon steel wire of φ3~φ4 mm, and process it into a steel frame smaller than the size of the aerated concrete core plate through an automatic welding machine;

[0020] The third step is to prepare the aerated concrete core plate: fix the prepared steel frame in the aerated concrete core pl...

Embodiment 1

[0025] Example 1: Take sand 40-60, lime 12-17, cement 15-20, gypsum 2-3, aluminum powder 0.08, water-to-material ratio 0.6-0.65 according to the composition and weight ratio, and put the above materials into the mixer Stir uniformly for 4 to 6 minutes to prepare slurry. Select cold drawn low carbon steel wire of φ3 to φ4 mm, and process it into a reinforcing steel skeleton smaller than the size of the aerated concrete core plate through an automatic welding mesh machine, and then combine the prepared steel skeleton It is fixed in the aerated concrete core plate mold, and the slurry is injected into the aerated concrete core plate mold, and the aerated concrete core plate mold is placed in a pre-curing kiln with a temperature of 40-60℃ and left for 60-90 minutes. After that, the aerated concrete core slab mold is sent to the autoclave for steam curing, and the aerated concrete core slab is prepared by steaming for 8-10 hours under the condition of air pressure of 1.6 mpa and temp...

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Abstract

The invention relates to a method for preparing a composite thermal insulation and energy-saving lightweight concrete wallboard. slurry, prepare steel skeleton, prepare air-entrained concrete core board and finally can prepare wallboard. It has a good building energy-saving effect and meets the requirements of circular economy. The prepared wallboard has a built-in steel skeleton, has good sound insulation performance and high flexural strength, and has good nailing and hanging performance. The calcium silicate board veneer is light. High-quality wall panels fully meet the requirements of wall functions, and create favorable conditions for environmental protection, energy saving, waste utilization, and circular economy. It is the best product for wall material reform at present. Therefore, it has good development prospects.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to a preparation method of a composite thermal insulation and energy-saving lightweight concrete wallboard. Background technique [0002] A wall panel is a building structure that consists of walls and floors that form a load-bearing system. The wall is not only a load-bearing member, but also a room partition. It is the most commonly used and economical structural form in residential buildings. The disadvantage is that the flexibility of the indoor layout is poor. In order to overcome this disadvantage, it is currently developing in the direction of large bays. The wall panel structure is mostly used in houses, apartments, and public buildings such as office buildings and schools. Load-bearing walls of panel construction can be made of bricks, blocks, precast or cast-in-place concrete. [0003] Existing ordinary concrete wall panels are of single structure, and the prod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C2/26
Inventor 黄海涛
Owner SHAOGUAN QUANCHENG IND TECH CO LTD
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