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Cutting process of aerated concrete plate

A technology of aerated concrete and cutting technology, which is applied in the field of building materials, can solve the problems of easy edge cracks, low operation efficiency, waste of resources, etc., and achieve the effects of avoiding excessively long intervals, convenient operation, and saving resources

Inactive Publication Date: 2021-06-01
ANHUI GAODI BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The cutting process currently used is after pre-curing, and then cutting after the green body reaches the cutting strength. It mainly has the following disadvantages: 1) According to different plate sizes, it is necessary to configure multiple sections of steel mesh, and the operation efficiency is low; 2) In the A partition needs to be reserved between the mesh to prevent irregular cracks. The partition needs to be removed later, which wastes resources; 3) Pay attention to the strength when cutting, and the board that is too soft is more prone to edge cracks

Method used

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  • Cutting process of aerated concrete plate
  • Cutting process of aerated concrete plate

Examples

Experimental program
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Effect test

Embodiment 1

[0029] A cutting process for aerated concrete slabs, comprising the following steps:

[0030] Step A1, put coal gangue into a ball mill for mechanical grinding for 1 hour, and pass through a 325-mesh industrial mesh screen, then mix ceramic waste, quicklime and gypsum into a pulverizer for crushing, and screen small pieces with a diameter of 22mm into a ball mill for grinding. Mechanical grinding, the ground material is sorted through a 325-mesh industrial mesh screen for standby;

[0031] Step A2, add 30 parts of coal gangue, 5 parts of ceramic waste, 20 parts of quicklime, 2 parts of gypsum, 10 parts of cement, 4 parts of sand, 2 parts of nano-calcium carbonate, and 0.5 parts of aluminum powder prepared in step A1 into a mixer and add water to stir , control the stirring temperature to be 45°C, the stirring time is 15 minutes, and the stirring speed is 150rpm to obtain a slurry, wherein the mass ratio of solid material to water is 1:0.52;

[0032] Step A3, sanding the steel...

Embodiment 2

[0041] A cutting process for aerated concrete slabs, comprising the following steps:

[0042] Step A1, put coal gangue into a ball mill for mechanical grinding for 1 hour, and pass through a 325-mesh industrial mesh screen, then mix ceramic waste, quicklime and gypsum into a pulverizer for crushing, and screen small pieces with a diameter of 23mm into a ball mill for grinding. Mechanical grinding, the ground material is sorted through a 325-mesh industrial mesh screen for standby;

[0043] Step A2, add 35 parts of coal gangue, 7 parts of ceramic waste, 23 parts of quicklime, 4 parts of gypsum, 13 parts of cement, 6 parts of sand, 3 parts of nano-calcium carbonate, and 0.8 parts of aluminum powder prepared in step A1 into a mixer, add water and stir , control the stirring temperature to be 45°C, the stirring time is 20 minutes, and the stirring speed is 140rpm to obtain a slurry, wherein the mass ratio of solid material to water is 1:0.56;

[0044] Step A3, sanding the steel b...

Embodiment 3

[0053] A cutting process for aerated concrete slabs, comprising the following steps:

[0054] Step A1, put coal gangue into a ball mill for mechanical grinding for 1 hour, and pass through a 325-mesh industrial mesh screen, then mix ceramic waste, quicklime and gypsum into a pulverizer for crushing, and screen small pieces with a diameter of 23mm into a ball mill for grinding. Mechanical grinding, the ground material is sorted through a 325-mesh industrial mesh screen for standby;

[0055] Step A2, add 40 parts of coal gangue, 10 parts of ceramic waste, 25 parts of quicklime, 6 parts of gypsum, 15 parts of cement, 7 parts of sand, 5 parts of nano-calcium carbonate, and 1.2 parts of aluminum powder prepared in step A1 into a mixer and add water to stir , control the stirring temperature to be 45°C, the stirring time is 20 minutes, and the stirring speed is 140rpm to obtain a slurry, wherein the mass ratio of solid material to water is 1:0.58;

[0056] Step A3, sanding the stee...

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Abstract

The invention discloses a cutting process of an aerated concrete plate. The cutting process comprises the steps of ingredient preparation, steel bar processing, steel bar mesh assembly, pouring, gas generation pre-curing, autoclaved curing and cutting. Specifically, raw materials are mixed according to a formula to prepare ingredients, steel bars subjected to rust removal and modified coating are welded into a steel bar mesh according to the shape of concrete, the steel bar mesh is placed in a mold, the ingredients are poured into the mold, the ingredients are expanded, thickened and hardened in the mold, the ingredients and the steel bar mesh form an aerated concrete blank, then gas generation pre-curing and autoclaved curing are carried out, and finally the aerated concrete plate is prepared through cutting according to the size of the plate. According to the cutting process, a section of anti-rust steel bar mesh piece is arranged, so that the working hours can be effectively saved, the operation is convenient and fast, no partition needs to be reserved, irregular cracks cannot occur, and the quality of the plate is guaranteed; and meanwhile, the steel bar mesh is subjected to anti-rust treatment, so that the situation that the interval time between the steam curing procedure and the cutting procedure is too long, the steel bar mesh is rusted and deformed, and the quality of the aerated concrete plate is influenced is avoided.

Description

technical field [0001] The invention belongs to the technical field of building materials and relates to a cutting process for aerated concrete panels. Background technique [0002] Air-entrained concrete is made of siliceous materials (sand, fly ash and silicon-containing tailings, etc.) Lightweight porous silicate products made by pre-curing, cutting, autoclaving, curing and other processes. In 1923, the Swedish Ericsson was the first to obtain the technical patent of air-entrained concrete. In 1929, Yitong Company formally established a factory, enabling the industrial production of air-entrained concrete. Aerated concrete has entered a period of accelerated development due to its light weight, heat preservation, earthquake resistance, fire resistance, and fast construction speed, and is developing in the direction of large-scale, multi-variety, and high-tech. [0003] The cutting process currently used is after pre-curing, and then cutting after the green body reaches ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B23/02B28B1/50B28B11/24B28B11/14C04B28/14C04B38/02
CPCB28B23/02B28B1/50B28B11/245B28B11/145C04B28/14C04B2111/00008C04B2201/50C04B18/165C04B18/12C04B22/064C04B7/00C04B14/06C04B14/28C04B22/04
Inventor 田野陈刚刘玉亭王海军黄健代义磊韩燕辉胡成仓
Owner ANHUI GAODI BUILDING MATERIAL CO LTD
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