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Barium residue coal ash building block and production method thereof

A technology for fly ash and barium slag, applied in the field of molded products, can solve problems such as difficulty in handling barium slag, and achieve the effects of reducing pollution and cost

Inactive Publication Date: 2012-07-04
ANSHUN HUAYANG NEW BUILDING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, so far, the treatment of barium slag is still a difficult problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Take 50kg of labeled cement, 450kg of mountain sand with a particle diameter ≤ 8mm, 400kg of barium slag with a particle diameter ≤ 2mm, 100kg of fly ash with a particle diameter ≤ 0.7mm, and 50kg of desulfurized gypsum with a mass fraction of calcium sulfate of 90% to 95%. , measured with an electronic scale, respectively, and sent to the mixer with a belt conveyor, adding water and stirring for 5 minutes to mix evenly, the amount of water added is subject to sufficient mixing of all raw materials; use the feeding belt conveyor to send the resulting mixture into the hydraulic brick machine, After 4 seconds of material distribution, 6 seconds of vibration and hydraulic links, the mixture is pressed into the mold to obtain the hollow block raw material; the block raw material is sent to the curing room with a hydraulic cart, and it is stacked and watered for 24 hours. , to obtain semi-finished solid brick blocks; use a forklift to send the semi-finished solid brick blocks...

Embodiment 2

[0028] Take 50kg of cement with the label pc32.5, 500kg of mountain sand with a particle diameter ≤ 8mm, 400kg of barium slag with a particle diameter ≤ 2mm, 100kg of fly ash with a particle diameter ≤ 0.7mm, and 6kg of sodium sulfate with a mass fraction of 99%. , measured with an electronic scale, respectively, and sent to the mixer with a belt conveyor, adding water and stirring for 5 minutes to mix evenly, the amount of water added is subject to sufficient mixing of all raw materials; use the feeding belt conveyor to send the resulting mixture into the hydraulic brick machine, After 4 seconds of material distribution, 6 seconds of vibration and hydraulic links, the mixture is pressed in the mold to obtain solid brick raw materials; the block raw materials are sent to the curing room with a hydraulic cart, and they are stacked and watered for 24 hours. Get the semi-finished solid brick blocks; send the semi-finished solid brick blocks to the yard with a forklift, stack them ...

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PUM

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Abstract

The invention discloses a barium residue coal ash building block and a productbulion method thereof. The barium residue coal ash building block is made in the manner that barium residue, coal ash, cement, water and an additive that is used for eliminating the toxicity of barium residue are taken as raw materials, and the raw materials are processed through metering, stirring and blending, compression moulding and stacking and maintaining; and the additive adopts soluble sulfate and slightly soluble sulfate. Desulfurized gypsum is used as the additive used for eliminating the toxicity of barium residue, and the raw material formula of the barium residue coal ash building block includes, by the mass proportion, 50 cement, 450 mountain sand, 400 barium residue, 100 coal ash, 50 desulfurized gypsum and appropriate amount of water; and sodium sulfate is used as the additive for eliminating the toxicity of barium residue, and the raw material formula of the barium residue coal ash building block includes, by the mass proportion, 50 cement, 500 mountain sand, 400 barium residue, 100 coal ash, 6 sodium sulfate and appropriate amount of water. According to the invention, the pollution to the environment from barium residue is reduced; clay bricks are replaced with waste materials to achieve waste material utilization, which meets the requirement of developing recycling economy; and the building block cost is lowered. The invention is suitable for building material producing enterprises discharging barium residue.

Description

technical field [0001] The invention relates to a shaped product containing an inorganic binder, in particular to a building block, especially to a production method of a barium slag fly ash block. Background technique [0002] As we all know, clay bricks consume a lot of valuable land resources, so their production and use have been banned. In recent years, industrial waste has begun to enter the field of building materials, and a number of technical solutions have applied for Chinese patents, such as No. 93105763.9 "Using high-calcium fly ash to replace cement to produce wall materials and its production process", No. 98110053.8 "A red mud Sintered wall material", No. 200610164940.X "Energy-saving wall material made of shale and waste residue and its manufacturing method", No. 200710066191.1 "Method for continuously producing environmentally friendly lightweight gypsum wall material by using industrial waste residue", No. 200710038790.2 " Method for preparing lightweight ...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B18/04
CPCY02W30/91
Inventor 张后学俞廷斌
Owner ANSHUN HUAYANG NEW BUILDING MATERIALS
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