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Novel grouting sleeve model and preparation and use methods thereof

A technology for grouting sleeves and models, which is used in casting molding equipment, casting molds, cores, etc., can solve the problems of increasing the cost of cast iron and steel pipes, the high price of grouting sleeves, and low manufacturing efficiency, and can promote water solubility. The effect of improving performance, quality and qualification rate, and improving production efficiency

Inactive Publication Date: 2020-07-10
湖北乾道新型材料有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional steel and / or cast iron grouting sleeves have complex manufacturing and processing techniques, low manufacturing efficiency, and high energy consumption during production
Now the country has very high requirements for the production enterprises of cast iron and steel pipes in environmental impact assessment and testing, because they belong to the smelting industry, so this greatly increases the cost of using cast iron and steel pipes, so the price of grouting sleeves remains high

Method used

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Examples

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preparation example Construction

[0023] Embodiments of the present invention provide a method for preparing a novel grouting sleeve model, comprising the following steps:

[0024] S1. Put the paraffin wax raw material into the injection molding machine, and heat it to melt it. In this embodiment, the injection molding machine is heated to 350-500° C. so that the paraffin wax raw material in it is fully melted until all the paraffin wax raw materials are completely molten;

[0025] S2. Inject the paraffin wax raw material in molten state into the cavity of the grouting sleeve mold through the injection equipment in the injection molding machine. In this embodiment, the shape and size of the grouting sleeve model are the same as those of traditional steel and / or cast iron materials, and the grouting sleeve model can be completed through the mold cavity, and the mold molding can be produced at one time Multiple pieces, which greatly improves the production efficiency and reduces the production cost of the enter...

Embodiment 1

[0030] The paraffin wax raw material is composed of the following raw materials in parts by weight: 50 parts of water; 16 parts of chlorinated paraffin; 2 parts of methacrylic acid; 0.3 part of diisopropyl peroxydicarbonate; and 0.5 part of sodium lauryl sulfate.

Embodiment 2

[0032] The paraffin wax raw material is composed of the following raw materials in parts by weight: 65 parts of water; 18 parts of chlorinated paraffin; 4 parts of methacrylic acid; 1 part of diisopropyl peroxydicarbonate; 0.6 part of sodium lauryl sulfate.

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Abstract

The invention discloses a novel grouting sleeve model and preparation and use methods thereof. The novel grouting sleeve model is formed by injection molding of a paraffin raw material or a foaming agent, an injection molded grouting sleeve model can be added into a prefabricated concrete structure prefabricated column or prefabricated wall, the grouting sleeve model can be decomposed after beingsubjected to heating or high temperature, a sleeve-shaped cavity is formed in the concrete structure prefabricated column or prefabricated wall, and thus grouting is convenient to carry out after construction; in addition, a grouting sleeve prepared by adopting the paraffin raw material or the foaming agent replaces a traditional grouting sleeve made of steel and / or a cast iron material, so that complex procedures such as smelting and pouring are not needed, only mold forming is needed in the production procedure; and meanwhile, mold forming can produce a plurality of pieces at one time, so that the production efficiency is greatly improved, and the production cost of enterprises is reduced.

Description

technical field [0001] The invention belongs to a prefabricated concrete structure prefabricated column and a steel bar connection sleeve in a prefabricated wall, and in particular relates to a novel grouting sleeve model and a preparation and use method thereof. Background technique [0002] Traditional grouting sleeves made of steel and / or cast iron have complex manufacturing and processing techniques, low manufacturing efficiency, and high energy consumption during production. At present, the country has very high requirements for the environmental impact assessment and testing of cast iron and steel pipe manufacturers, because they belong to the smelting industry, so this greatly increases the use cost of cast iron and steel pipes, so the price of grouting sleeves remains high. Therefore how to reduce the cost of the grouting sleeve is a technical problem to be solved urgently in the industry. Contents of the invention [0003] The purpose of the present invention is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22C7/02B22C9/04B22C9/24C08L91/06C08L33/02C08K5/42C08F120/06B29C44/42
CPCB22C7/02B22C9/043B22C9/24B29C44/42C08F120/06C08L91/06C08L33/02C08K5/42
Inventor 时略祁飞詹奇龙
Owner 湖北乾道新型材料有限责任公司
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