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High-strength heat preservation sintering building block made of iron tailings and production process of high-strength heat preservation sintering building block

A technology of thermal insulation sintering and production technology, which is applied in the production of ceramic materials, clay products, and other household appliances. It can solve the problem that iron tailings waste cannot be fully utilized for sintered blocks, etc., to improve plasticity, extend the industrial chain, Effect of increased diffusion and sintering speed

Active Publication Date: 2016-01-13
广西建筑材料科学研究设计院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-strength thermal insulation sintered block made of iron tailings as raw material and its production process to solve the problems that the existing iron tailings waste cannot be fully utilized and the sintered block exists

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A high-strength thermal insulation sintered block made of iron tailings, comprising the following raw materials in parts by weight: 70 parts of iron tailings, 30 parts of glass wool, 8 parts of bentonite, 3 parts of rosin resin and 3 parts of boron oxide.

[0027] The production process of high-strength thermal insulation sintered blocks made of iron tailings as raw material includes the following steps:

[0028] S1: Weigh the following raw materials in parts by weight: 70 parts of iron tailings, 30 parts of glass wool, 8 parts of bentonite, 3 parts of rosin resin and 3 parts of boron oxide, put each material into a grinder, grind to 1mm, and obtain fine raw materials ;

[0029] S2: Add the fine raw material obtained in step S1 into a mixer, add water with a weight ratio of 12% to the fine raw material, and stir for 15 minutes at a rotating speed of 200r / min to obtain a mixed material;

[0030] S3: Add the mixed material obtained in step S2 into an extrusion molding ma...

Embodiment 2

[0034] A high-strength heat-retaining sintered block made of iron tailings as raw materials, comprising the following raw materials in parts by weight: 75 parts of iron tailings, 25 parts of glass wool, 10 parts of bentonite, 2 parts of rosin resin and 3 parts of boron oxide.

[0035] The production process of high-strength thermal insulation sintered blocks made of iron tailings as raw material includes the following steps:

[0036] S1: Weigh the following raw materials in parts by weight: 75 parts of iron tailings, 25 parts of glass wool, 10 parts of bentonite, 2 parts of rosin resin and 3 parts of boron oxide. raw material;

[0037] S2: Add the fine raw material obtained in step S1 into a mixer, add water with a weight ratio of 10% to the fine raw material, and stir for 15 minutes at a rotating speed of 250r / min to obtain a mixed material;

[0038] S3: Add the mixed material obtained in step S2 into an extrusion molding machine, and form it into a green body, and the moldi...

Embodiment 3

[0042] A high-strength thermal insulation sintered block made of iron tailings, comprising the following raw materials in parts by weight: 80 parts of iron tailings, 35 parts of glass wool, 10 parts of bentonite, 3 parts of rosin resin and 4 parts of boron oxide.

[0043] The production process of high-strength thermal insulation sintered blocks made of iron tailings as raw material includes the following steps:

[0044] S1: Weigh the following raw materials in parts by weight: 80 parts of iron tailings, 35 parts of glass wool, 10 parts of bentonite, 3 parts of rosin resin and 4 parts of boron oxide. , each material is added into a grinder, and ground to 1mm to obtain a fine raw material;

[0045] S2: Add the fine raw material obtained in step S1 into a mixer, add water with a weight ratio of 13% to the fine raw material, and stir for 10 min at a speed of 300 r / min to obtain a mixed material;

[0046] S3: Add the mixed material obtained in step S2 into an extrusion molding ma...

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Abstract

The invention discloses a high-strength heat preservation sintering building block made of iron tailings and a production process of the high-strength heat preservation sintering building block. The high-strength heat preservation sintering building block is prepared from, by weight, 70-90 parts of the iron tailings, 25-35 parts of glass wool, 8-12 parts of bentonite, 2-4 parts of rosin resin and 3-5 parts of boric oxide. According to the high-strength heat preservation sintering building block and the production process, the waste iron tailings are changed into things of value, environmental pollution is reduced, the industry chain of the mining industry is prolonged, the compressive strength of the produced sintering building block is 32-38 MPa, the water absorption is 8-10%, the density is 1180-1240 kg / m<3>, the heat conductivity coefficient is 0.062-0.069 w / (m.k), product performance is excellent, all quality indexes are superior to the national standard, and the high-strength heat preservation sintering building block has a wide market prospect.

Description

technical field [0001] The invention belongs to the technical field of new wall materials, and specifically relates to a high-strength thermal insulation sintered block made of iron tailings as a raw material and a production process thereof. Background technique [0002] Protect land, save energy and resources, reduce pollutant emissions, protect and improve the environment, and implement sustainable development strategies. In social energy consumption, building energy consumption accounts for 35% to 45%, and the energy of buildings is mainly It is very necessary to vigorously develop new energy-saving building wall materials through the scattered and loss of the wall. Among them, the thermal insulation sintered block is a new type of energy-saving and environmentally friendly building wall material with excellent performance. Insulation sintered blocks not only have excellent thermal performance, but also have wide distribution of raw materials and low cost, so they have ...

Claims

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Application Information

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IPC IPC(8): C04B33/138C04B33/22
CPCY02P40/60
Inventor 杨志明陈霏朱芳雯叶丹玫徐伟梅嵩
Owner 广西建筑材料科学研究设计院有限公司
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