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Method for preparing water glass self-hardening sand curing agent from glycerol diacetate

A technology of glycerol diacetate and water glass, applied in chemical instruments and methods, chemical/physical processes, mixers with rotary stirring devices, etc., can solve the effect of uniformity, affect the stirring efficiency, and is not conducive to ensuring the quality of the curing agent And other issues

Pending Publication Date: 2021-07-06
安徽艾蒂贝生物股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to make up for the deficiencies in the prior art, a kind of glycerol diacetate is proposed in the present invention to prepare the method for water glass self-setting sand curing agent. The present invention is mainly used to solve the problem of simple stirring structure in the existing stirring tank, poor stirring effect, and Stirring efficiency, and insufficient fluidity between materials in each layer, resulting in affected uniformity, which is not conducive to ensuring the quality of the prepared curing agent

Method used

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  • Method for preparing water glass self-hardening sand curing agent from glycerol diacetate
  • Method for preparing water glass self-hardening sand curing agent from glycerol diacetate
  • Method for preparing water glass self-hardening sand curing agent from glycerol diacetate

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Embodiment approach

[0037] As an embodiment of the present invention, another communication passage 20 connecting the installation groove 19 and the inner cavity of the tank body 1 is provided in the inner wall of the tank body 1 below the installation groove 19, and the communication passages on both sides of the installation groove 19 20 are all provided with one-way valves 21 with the same flow direction. Through the setting of the one-way valve 21, the material can be sucked in through one communication channel 20 when the piston 7 is pulled out, and then the material can be discharged through another communication channel 20 when the piston 7 is compressed, thus realizing the forced circulation mixing between the upper and lower layers of materials , to avoid delamination that affects the overall stirring effect; at the same time, compared with the use of the water pump in the prior art, the application can realize the circulation of the material in the tank 1 only through the setting of the ...

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Abstract

The invention belongs to the technical field of curing agents, and particularly relates to a method for preparing a water glass self-hardening sand curing agent from glycerol diacetate. A stirring tank used in the method comprises a tank body, a feeding hole in the upper portion of the tank body and a discharging hole in the lower portion of the tank body, wherein a motor is fixedly arranged in the middle of the upper end of the tank body, the output end of the motor is in transmission connection with a first rotating shaft, the first rotating shaft penetrates through the upper end of the tank body, extends into the inner cavity of the tank body and is rotationally connected with the bottom of the inner cavity of the tank body, and a plurality of groups of crankshafts are arranged on the first rotating shaft at intervals. Through the arrangement of the crankshaft, the connecting rod and the hydraulic cylinder, materials flowing in a rotating mode in the tank body can be disturbed, impact dispersion is achieved, the stirring effect is improved, the materials on the inner layer and the outer layer of the tank body are moved to the inner side, and mixing of the materials on the inner layer and the outer layer is accelerated, so that the materials are mixed more sufficiently and are better in uniformity.

Description

technical field [0001] The invention belongs to the technical field of curing agents, in particular to a method for preparing a curing agent for water glass self-setting sand from glycerol diacetate. Background technique [0002] The reinforcement of silt and fine sand is one of the most difficult problems encountered in the process of foundation excavation. Since silt and fine sand are not easy to reinforce, foundation collapse often occurs during construction. At present, the grouting materials used to reinforce fine sand are mainly superfine cement and acidic water glass. Among them, ultrafine cement and other granular grouting materials have high strength, but there are problems such as unstable permeability, which can only solve the grouting problem of loose powder and fine sand. The acidic water glass grouting material has been widely used in the reinforcement of silty sand due to its good permeability, but its strength is low, and once it encounters a stratum with a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F7/16B01F7/18B01F11/00B01F5/10
CPCB01F25/52B01F27/192B01F27/83B01F31/445B01F27/90
Inventor 陆峰平杨立新
Owner 安徽艾蒂贝生物股份有限公司
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