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Formula and production process of hand-burning-free accelerator

A formula and scheme technology, applied in the field of fine chemical new environmental protection building materials

Inactive Publication Date: 2021-03-05
安徽省巢湖顺达建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a manufacturing formula and production process of an acidic or alkaline near-neutral quick-setting agent product with a pH value in the range of 5 to 9, and is intended to overcome the burning and corrosion of existing strong alkali and strong acid quick-setting agent products mechanical defect

Method used

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Embodiment Construction

[0008] The technical core of the present invention is: to manufacture near-neutral quick-setting agent products with partial acidity or partial alkalinity in the pH range of 5 to 9, in order to overcome the defects of existing strong alkali and strong acid products that burn hands and corrode machinery, and provide manufacturing Practical technology of new accelerator products.

[0009] The technical process of the invention is simple, the equipment investment is small, and it can also be concentrated into paste or powder products. If it is prepared at the shotcrete construction site, more than 50% of the water transportation fee can be exempted. After implementation, it has outstanding practicability and economic benefits, especially the reduction of transportation and packaging costs, safe construction, energy saving and consumption reduction.

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PUM

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Abstract

The invention relates to a manufacturing formula and a production process of an accelerator for shotcrete. The key technology of the process is to produce a slightly acidic or alkaline approximately-neutral accelerator product with pH value of 5-9. In order to overcome the defects that the existing strong base and strong acid products burn hands and corrode machinery, the invention provides a practical technology for manufacturing a novel accelerator product. The product has the advantages of simple manufacturing technique and low equipment investment, and can be concentrated into a paste or powder product. If the accelerator is prepared in a sprayed concrete construction site, more than 50% of water transportation cost can be saved. After implementation, the accelerator has outstanding practicability and economic benefits, and particularly has remarkable effects of reducing transportation and packaging costs, realizing safe construction, saving energy, reducing consumption and the like.

Description

[0001] Technical field [0002] The invention relates to a manufacturing formula and a production process of an accelerator for shotcrete (hereinafter referred to as: accelerator), and belongs to the field of fine chemical new environment-friendly building materials. Background technique [0003] The main components of the existing quick-setting agent production are sodium aluminate and silicate. No matter the powder or water product is alkaline and strong, there is another kind of acidic and strong water with sulfate and fluoride as the main components. agent products. The two types of quick-setting agent products cause great damage to the skin and hands of operators when they are used, commonly known as: burning hands; at the same time, strong acid and strong alkali products are also very mechanically corrosive to shotcrete, and strong alkali products containing sodium ions are harmful to concrete. It is easy to produce alkali-aggregate reaction, which will reduce the stren...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B22/14C04B103/12
CPCC04B40/0039C04B2103/12C04B22/148C04B22/126C04B2103/0094C04B2103/0068
Inventor 张自翔计文清张振群
Owner 安徽省巢湖顺达建材有限公司
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