High viscosity briquette waterproof composite binder

A binder and high-viscosity technology, applied in the field of binders, to achieve the effect of improving molding rate, reducing production cost, and strong waterproof performance

Inactive Publication Date: 2016-02-03
GUANGXI JINZHUANGJIN ENERGY SAVING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a high Viscosity shaped coal waterproof composite binder

Method used

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  • High viscosity briquette waterproof composite binder
  • High viscosity briquette waterproof composite binder

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Its preparation method comprises the following steps:

[0028] In parts by weight, weigh 350 parts of pregelatinized starch, 400 parts of magnesium oxide, 120 parts of fly ash, 60 parts of red mud, 6 parts of soda ash and 4 parts of polyacrylamide, and put each component into a pulverizer to pulverize to 150 mesh, then add each component into a mixer, and stir for 20 minutes at a rotating speed of 80r / min to obtain a high-viscosity molded coal waterproof composite binder.

[0029] Example 2

Embodiment 2

[0031] The preparation method comprises the following steps:

[0032] In parts by weight, weigh 420 parts of magnesium oxide, 350 parts of pregelatinized starch, 100 parts of fly ash, 80 parts of red mud, 6 parts of soda ash and 5 parts of polyacrylamide, and put each component into a pulverizer to pulverize to 200 mesh, then add each component into a mixer, and stir for 15 minutes at a rotating speed of 100r / min to obtain a high-viscosity molded coal waterproof composite binder.

[0033] Example 3

Embodiment 3

[0035] The preparation method comprises the following steps:

[0036] In parts by weight, weigh 380 parts of pregelatinized starch, 420 parts of magnesium oxide, 150 parts of fly ash, 50 parts of red mud, 7 parts of soda ash and 5 parts of polyacrylamide, and put each component into a pulverizer to pulverize to 250 mesh, then add each component into a mixer, and stir for 10 minutes at a speed of 120r / min to obtain a high-viscosity molded coal waterproof composite binder.

[0037] Example 4

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Abstract

The invention discloses a high viscosity briquette waterproof composite binder, which includes the following raw materials by weight: 350-400 parts of pregelatinized starch, 400-450 parts of magnesium oxide, 100-150 parts of fly ash, 50-100 parts of red mud, 6-8 parts of soda ash, and 4-6 parts of polyacrylamide. The binder provided by the invention has viscosity of greater than or equal to 20000Mpa.s, granularity of 200-mesh up to 85%, a moisture content of less than or equal to 10% and a pH value of 8.5-9.0. The briquette provided from the binder provided by the invention not only has strong waterproof performance, but also has the advantages of flammability, good thermal stability, high cold-hot strength, high reaction activity, high thermal efficiency and environmental protection, also has the advantages of wide raw material sources, low cost, simple preparation process and the like, has very good social, ecological and economic benefits, and is easy to realize large-scale production.

Description

technical field [0001] The invention relates to the technical field of binders, in particular to a high-viscosity molded coal waterproof composite binder. background [0002] Briquette is made of pulverized coal as the main raw material, according to the ratio, mechanical strength, and shape required by the specific use, it is pressed into shape by mechanical processing, and has a certain strength, size and shape of various coal products. In the coal briquette cold pressing process, the development of the binder is one of the key technologies, which directly determines the cold and hot strength, water resistance, thermal stability and combustibility of the briquette. The currently developed briquette binders are mainly divided into three categories: organic, inorganic and composite binders. The organic binder has good bonding performance, and the briquette has high mechanical strength after drying and curing; however, because the organic matter in the organic binder is eas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10L5/10C10L5/12C10L5/14
Inventor 贺定英
Owner GUANGXI JINZHUANGJIN ENERGY SAVING TECH
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