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Autoclaved aerated concrete block and manufacturing method thereof

A technology for concrete blocks and autoclaved aerated concrete blocks, which is applied in the field of concrete blocks and autoclaved aerated concrete blocks. Large deviation and other problems, to achieve the effect of strong heat preservation, precise size, good sound insulation and sound absorption performance

Inactive Publication Date: 2014-08-06
SHENGZHOU SIMINGSHAN NEW BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The autoclaved aerated concrete block in the prior art uses fly ash as the siliceous material, and its manufacturing cost is high, and the control requirements for its manufacturing method, process parameters and component distribution ratio are high, and the performance deviation of each batch of products is large , it is difficult to produce high-quality concrete blocks

Method used

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  • Autoclaved aerated concrete block and manufacturing method thereof
  • Autoclaved aerated concrete block and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 As shown, the autoclaved aerated concrete block includes main materials, water, and foaming agent, wherein the main materials include the following components (percentage by weight): silver tailings: 71%; quicklime: 10%; cement: 16% ; Gypsum: 3%, the water-material ratio is 0.6, and the foaming agent is aluminum powder. The water-material ratio refers to the ratio of the total water consumption in the slurry to the total weight of the basic constituent materials. The water-material ratio must not only meet the needs of the chemical reaction of the product, but also meet the requirements of casting molding. An appropriate water-material ratio can provide appropriate Fluidity provides the necessary conditions for gas expansion.

[0028] The choice of siliceous material has a great influence on the autoclaved aerated concrete block. Generally speaking, the higher the quartz content in the siliceous material, the better the quality of the autoclaved aerate...

Embodiment 2

[0039] The autoclaved aerated concrete block provided in this embodiment and its manufacturing method are basically the same as in Embodiment 1, except that the main material includes the following components (percentage by weight): tailings sand: 65%; quicklime : 12%; cement: 18%; gypsum: 5%; the water-material ratio is 0.57.

Embodiment 3

[0041] The autoclaved aerated concrete block provided in this embodiment and its manufacturing method are basically the same as in Embodiment 1, except that the main material includes the following components (percentage by weight): tailings sand: 75%; quicklime : 8%; cement: 15%; gypsum: 2%; the water-material ratio is 0.62.

[0042]The following table is the product technical parameter contrast of embodiment one to embodiment three:

[0043]

[0044] It can be seen that the autoclaved aerated concrete block provided by the present invention has the advantages of low cost, convenient construction, environmental protection and energy saving. Well, the size is accurate, the strength is high, and there are no radioactive advantages.

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Abstract

The invention relates to an autoclaved aerated concrete block and a manufacturing method thereof, belongs to the technical field of building materials, and aims at solving the problems of high manufacturing cost and poor quality of products of the autoclaved aerated concrete block in the prior art. The autoclaved aerated concrete block comprises main materials, water and a foaming agent; the main materials include the following components (in percentage by weight): 65%-75% of tailing sand, 8%-12% of quick lime, 15%-18% of cement, and 2%-5% of gypsum; the material-to-water ratio ranges from 0.57 to 0.62; the foaming agent is added proportionally by 500g / m3 according to the total volume of the materials. The autoclaved aerated concrete block has the advantages of low manufacturing cost, convenient construction, environmental protection and energy conservation; the block further has the advantages of low weight, high heat retaining property, high anti-permeability, good fireproof performance, good sound insulation and sound absorption properties, accurate size, high strength and no radioactivity.

Description

technical field [0001] The invention belongs to the technical field of building materials, and relates to an autoclaved aerated concrete block, in particular to a concrete block using tailings sand as a main raw material. Background technique [0002] Autoclaved aerated concrete block is a new type of wall material that is lightweight, porous, thermally insulated, fireproof, and has a certain degree of earthquake resistance. [0003] Air-entrained concrete blocks are made of siliceous materials and calcareous materials as the main raw materials. After adding foaming agent and stirring with water, pores are formed by chemical hydration reaction, and are processed by pouring molding, pre-curing, cutting, autoclaving and other processes. The compound national standard product prepared by the process. [0004] In the process of mineral mining, tailings are generally stored in the tailings pond in the form of a mixture of waste water and solid slag. While occupying a large amoun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B38/02C04B18/12C04B22/14C04B22/04
CPCY02W30/91
Inventor 张忠潮
Owner SHENGZHOU SIMINGSHAN NEW BUILDING MATERIAL CO LTD
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