Method for producing concrete block from granulated blast furnace slag

A technology for concrete blocks and blast furnace slag, which is applied in sustainable waste treatment, solid waste management, climate sustainability, etc. Cost, meeting construction needs, high strength effect

Inactive Publication Date: 2015-07-22
六盘水瑞都建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the above-mentioned technical problems and provide a method for producing concrete blocks using blast furnace slag. The blocks of the invention use blast furnace slag as the main raw material, which can not only solve the problems of blast furnace slag polluting the environment and destroying ecology , and the blocks produced have light weight and high strength, which can also greatly reduce production costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The concrete block produced by blast furnace slag is composed of the following raw materials in parts by weight: 66 parts of blast furnace slag, 10 parts of cement, 20 parts of lime, 4 parts of gypsum powder, 0.06 part of aluminum powder and 60 parts of water.

[0021] The production method is as follows:

[0022] 1) Put the blast furnace slag into the ball mill for ball milling, the fineness is 200 mesh, and the specific gravity is 1.35g / cm 3 Water slag slurry, then add gypsum to the water slag slurry and stir for 1 hour;

[0023] 2) Add the water slag slurry containing gypsum, lime and cement into the mixer and stir for 3 minutes, then add aluminum powder and stir for 40 seconds;

[0024] 3) Pour the slurry obtained in step 2) into the mold car parked in the static parking room for 1.5 hours, and then cut;

[0025] 4) The cut body is sent to the pre-curing room and pre-cured for 1 hour, and then sent to the autoclave for autoclaving treatment;

[0026] 5) Put the g...

Embodiment 2

[0032] The concrete block produced by blast furnace slag is composed of the following raw materials in parts by weight: 65 parts of blast furnace slag, 10 parts of cement, 14 parts of lime, 5 parts of gypsum powder, 0.07 part of aluminum powder and 50 parts of water.

[0033] The production method is as follows:

[0034] 1) Put the blast furnace slag into the ball mill for ball milling, the fineness is 200 mesh, and the specific gravity is 1.35g / cm 3 Water slag slurry, then add gypsum to the water slag slurry and stir for 1.5 hours;

[0035] 2) Add the water slag slurry containing gypsum, lime and cement into the mixer and stir for 3.5 minutes, then add aluminum powder and stir for 45 seconds;

[0036] 3) Pour the slurry obtained in step 2) into the mold car parked in the static parking room for 2.5 hours, and then cut;

[0037] 4) The cut body is sent to the pre-curing room and pre-cured for 1.5 hours, and then sent to the autoclave for autoclave treatment;

[0038] 5) Put...

Embodiment 3

[0044] The concrete block produced by blast furnace slag is composed of the following raw materials in parts by weight: 70 parts of blast furnace slag, 7 parts of cement, 18 parts of lime, 5 parts of gypsum powder, 0.07 part of aluminum powder and 65 parts of water.

[0045] The production method is as follows:

[0046] 1) Put the blast furnace slag into the ball mill for ball milling, the fineness is 200 mesh, and the specific gravity is 1.35g / cm 3 Water slag slurry, then add gypsum to the water slag slurry and stir for 2 hours;

[0047] 2) Add the water slag slurry containing gypsum, lime and cement into the mixer and stir for 3.5 minutes, then add aluminum powder and stir for 40-50 seconds;

[0048] 3) Pour the slurry obtained in step 2) into the mold car parked in the static parking room for 2.5 hours, and then cut;

[0049] 4) The cut body is sent to the pre-curing room and pre-cured for 2 hours, and then sent to the autoclave for autoclave treatment;

[0050] 5) Put t...

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PUM

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Abstract

The invention relates to a novel lightweight wall material, specifically to a method for producing concrete block from granulated blast furnace slag. The concrete block is composed of granulated blast furnace slag, cement, lime, gypsum powder, aluminum and water. According to the invention, the granulated blast furnace slag is used as a production raw material, so the problems of incapable handling and environmental pollution of a great amount of granulated blast furnace slag in metallurgical engineering, etc. are overcome, cyclic utilization of resources is realized, and production of the concrete block from the granulated blast furnace slag is beneficial for reduction of enterprise cost; moreover, the concrete block produced by using the method has high strength and light weight and can meet demands of buildings.

Description

technical field [0001] The invention relates to a novel lightweight wall material, in particular to a method for producing concrete blocks by using blast furnace slag. Background technique [0002] Blast furnace slag is the slag with the largest output in the metallurgical process. The molten material mainly composed of calcium silicate and calcium aluminosilicate is water-quenched and granulated, referred to as water slag, water-quenched slag, etc., accounting for about About 30%, 10 million tons of iron and steel enterprises generally output about 3 million tons of blast furnace slag, a large amount of blast furnace slag cannot be effectively used, piled up like a mountain, occupies a lot of land, loses activity due to weathering, pollutes the environment, and destroys ecological balance. The chemical composition of water slag mainly includes calcium oxide (CaO), silicon dioxide (SiO 2 ), aluminum oxide (Al 2 o 3 ) and other components, and the activity of water slag is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B18/14
CPCY02W30/91
Inventor 赵庆福鲁平王伟平惠泽义葛泽敏张国云石钢易容全王飞成冬
Owner 六盘水瑞都建材有限公司
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