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Machine-spraying type mine pressure-filtration tailing tile glue

A technology of tile adhesive and machine spray type, which is applied in the field of environmental protection and achieves the effects of good comprehensive performance, high storage cost, good thixotropy and machine sprayability

Active Publication Date: 2019-03-08
HUAXIN CEMENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few reports on the comprehensive utilization of mine filter tailings as part of the fine aggregate and filler for tile adhesives.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The invention provides a machine-sprayed mine filter press tailings tile adhesive, which comprises the following components and their mass percentages: 33% of 42.5-grade general-purpose Portland cement, 13% of mine filter press tailings with a particle size of ≤0.15mm, D Benzene methyl cellulose ether 0.3%, redispersible latex powder 1.0%, starch ether 01%, machine spray 1%, and the balance is natural sand.

[0018] Further, the machine spray is composed of attapulgite, bentonite, sodium hexametaphosphate, melamine, and sodium gluconate with a mass ratio of 5:2:2:2:0.5; the natural sand includes fine sand and coarse sand, The particle size of the coarse sand is 0.15-0.6 mm, the particle size of the fine sand is less than or equal to 0.15 mm, and the mass ratio of the coarse sand to the fine sand is 1:1.

Embodiment 2

[0020] The invention provides a machine-sprayed mine filter press tailings tile adhesive, which includes the following components and their mass percentages: 30% of 42.5-grade general-purpose Portland cement, 10% of mine filter press tailings with a particle size of ≤0.15mm, fiber 0.2% plain ether, 1.0% styrene-butadiene redispersible latex powder, 0.1% starch ether, 1% machine spray, and the balance is natural sand.

[0021] Further, the machine spray is composed of attapulgite, bentonite, sodium hexametaphosphate, melamine, and sodium gluconate with a mass ratio of 5:2:2:2:0.5; the natural sand includes fine sand and coarse sand, The particle size of the coarse sand is 0.15-0.6 mm, the particle size of the fine sand is less than or equal to 0.15 mm, and the mass ratio of the coarse sand to the fine sand is 1:1.

Embodiment 3

[0023] The invention provides a machine-sprayed mine filter press tailings tile adhesive, which includes the following components and their mass percentages: 35% of 42.5-grade general-purpose Portland cement, 15% of mine filter press tailings with a particle size of ≤0.15mm, Hydroxypropyl cellulose ether 0.4%, redispersible latex powder 1.0%, starch ether 0.1%, machine spray 1.5%, and the balance is natural sand.

[0024] Further, the machine spray is composed of attapulgite, bentonite, sodium hexametaphosphate, melamine, and sodium gluconate with a mass ratio of 5:2:2:2:0.5; the natural sand includes fine sand and coarse sand, The particle size of the coarse sand is 0.15-0.6 mm, the particle size of the fine sand is less than or equal to 0.15 mm, and the mass ratio of the coarse sand to the fine sand is 1:1.

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Abstract

The invention provides machine-spraying type mine pressure-filtration tailing tile glue. The glue is prepared from the following components in percentage by mass: 30-40% of cement, 10-15% of mine pressure-filtration tailings, 0.2-0.5% of cellulose ether, 1-2% of redispersible latex powder, 0.1-0.3% of starch ether, 1-2% of a machine spraying agent and the balance natural sand. According to the glue, the mine pressure-filtration tailings are adopted as part of fine aggregate and fillers of the tile glue, so that machine-spraying construction can be carried out, the utilization rate of the minepressure-filtration tailings is increased, and therefore the problems that the stockpiling cost of the mine pressure-filtration tailings is high, and the occupied area is large can be solved, the production cost of the tile glue is greatly lowered, the labor cost is saved, the influence of the mine pressure-filtration tailings on the environment is reduced, and remarkable economic benefits and environmental benefits are achieved.

Description

technical field [0001] The invention relates to the technical field of environmental protection, in particular to a machine-sprayed mine filter tailing sand tile adhesive. Background technique [0002] Tailings are solid wastes discharged by people after developing mines, which occupy a large amount of land resources. In 2016, my country's tailings production was 1.6 billion tons, an increase of 1%, of which non-metallic tailings were 160 million tons. There are two surface disposal methods for mine tailings: discharge from surface tailings ponds and surface dry storage. Dry storage refers to a kind of high concentration / paste tailings produced after tailings dehydration, and dry storage can be divided into filter press dry storage and paste storage according to the difference in tailings concentration and characteristics . Mine filter press tailings are the tailings that are dewatered by filter press process after multiple screening and washing during the process of maki...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
CPCC04B28/00C04B2111/00637C04B2201/50C04B14/06C04B24/38C04B24/383C04B24/26C04B24/129C04B24/10C04B22/16C04B14/104C04B14/102C04B18/12
Inventor 王义恒景晓光李运生李莎杨奇玮
Owner HUAXIN CEMENT