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Calcium silicate board produced from industrial waste slag and production process thereof

A calcium silicate board and industrial waste residue technology, applied in the field of building materials, can solve the problems of large consumption of natural quartz powder and calcium carbonate, waste of primary resources, serious environmental pollution, etc., achieve good sound insulation effect, reduce production costs, alleviate Effects of Environmental Pollution

Inactive Publication Date: 2014-03-26
ZHENGZHOU DENGDIAN YUSONG NOVEL DECORATIVE SHEET
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The raw materials usually used in the existing calcium silicate boards are natural quartz powder, slaked lime, calcium carbonate, etc., and the consumption of natural quartz powder and calcium carbonate is huge. The production process not only wastes a lot of primary resources, but also the production cost, Environmental pollution is also more serious

Method used

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  • Calcium silicate board produced from industrial waste slag and production process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A calcium silicate board produced by using industrial waste slag provided in this embodiment is made of the following raw materials: 45% of quartz ore waste slag, 25% of cement, 10% of calcium carbide slag, 14% of reinforcing fiber, and pulverized coal Ash 5%, Perlite 1%.

[0024] The production process of utilizing industrial waste slag to produce calcium silicate board provided by the present embodiment comprises the following steps:

[0025] (1) Reinforcing fiber preparation: grind and beat waste kraft paper bags to make reinforcing fibers for use, wherein the beating degree of reinforcing fibers is 30SR, and the concentration of reinforcing fibers is 3%;

[0026] (2) Preparation of slab slurry: Mix the reinforcing fiber in step (1) with quartz ore waste slag, cement, carbide slag, fly ash, and perlite according to a certain proportion and stir evenly to make a slab slurry with a concentration of 13% Stand-by, the raw materials are proportioned according to the foll...

Embodiment 2

[0031] A calcium silicate board produced by using industrial waste slag provided in this embodiment is made of the following raw materials: 35% of quartz ore waste slag, 15% of cement, 20% of calcium carbide slag, 14% of reinforcing fiber, and pulverized coal Ash 15%, Perlite 1%.

[0032] The production process of utilizing industrial waste slag to produce calcium silicate board provided by the present embodiment comprises the following steps:

[0033] (1) Reinforcing fiber preparation: grind and beat waste kraft paper bags to make reinforcing fibers for use, wherein the beating degree of reinforcing fibers is 30SR, and the concentration of reinforcing fibers is 3%;

[0034] (2) Preparation of slab slurry: Mix the reinforcing fiber in step (1) with quartz ore waste slag, cement, carbide slag, fly ash, and perlite according to a certain proportion and stir evenly to make a slab slurry with a concentration of 15% Stand-by, the raw materials are proportioned according to the fol...

Embodiment 3

[0039] A calcium silicate board produced by using industrial waste slag provided in this embodiment is made of the following raw materials: 40% of quartz ore waste slag, 20% of cement, 15% of calcium carbide slag, 10% of reinforcing fiber, and pulverized coal Ash 14%, Perlite 1%.

[0040] The production process of utilizing industrial waste slag to produce calcium silicate board provided by the present embodiment comprises the following steps:

[0041] (1) Reinforcing fiber preparation: grind and beat waste wood pulp fibers to make reinforcing fibers for use, wherein the beating degree of reinforcing fibers is 30SR, and the concentration of reinforcing fibers is 3%;

[0042] (2) Preparation of slab slurry: Mix the reinforcing fiber in step (1) with quartz ore waste slag, cement, carbide slag, fly ash, and perlite according to a certain proportion and stir evenly to make a slab slurry with a concentration of 17% Stand-by, the raw materials are proportioned according to the fol...

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Abstract

The invention discloses a calcium silicate board produced from industrial waste slag, which is prepared from the following raw materials in percentage: 35-45% of quartz ore waste slag, 15-25% of cement, 10-20% of carbide slag, 10-20% of reinforced fiber, 5-15% of fly ash and 1% of perlite. According to the calcium silicate board provided by the invention, the wastes are changed into valuable substances through secondary utilization of materials such as the quartz ore waste slag, the fly ash, the carbide slag and the like, thus lowering the production cost, and relieving environmental pollution. The calcium silicate board provided by the invention has favorable performance; the strength is greater than 12 MPa, and the density is greater than 1.20 g / cm<3>; the calcium silicate board has Level A noninflammability and favorable moisture protection and sound insulation effects; and the calcium silicate board has high processability, and can be subjected to cutting, drilling and other operations.

Description

technical field [0001] The invention relates to a building material, in particular to a calcium silicate board produced by utilizing industrial waste slag. The present invention also relates to the production process of the calcium silicate board. Background technique [0002] Calcium silicate board is a commonly used building material. It is mainly made of high-quality and high-grade cement as the base material, combined with natural reinforcing fibers, and then processed by special techniques such as molding, pressurization, and high-temperature steam curing. Calcium silicate board has the advantages of fire prevention, moisture resistance, sound insulation, insect resistance, and strong durability. It is a new type of building and industrial board with excellent performance. [0003] The raw materials usually used in the existing calcium silicate boards are natural quartz powder, slaked lime, calcium carbonate, etc., and the consumption of natural quartz powder and calci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B18/30
CPCY02W30/91
Inventor 王建坡程学朋王德五牛红生牛荣跃王青景怀强麻新超温现敏
Owner ZHENGZHOU DENGDIAN YUSONG NOVEL DECORATIVE SHEET
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