Anti-radiation mineral admixture containing barium slag

A mineral admixture and anti-radiation technology, which is applied in the field of anti-radiation mineral admixtures, can solve problems such as no research on anti-radiation mineral admixtures, and achieve a simple and easy acquisition method, suitable for large-scale mass production, The effect of reducing the stacking area

Inactive Publication Date: 2015-11-25
WUHAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There is no research on the preparation of anti-radiation mineral admixtures by using barium slag

Method used

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  • Anti-radiation mineral admixture containing barium slag
  • Anti-radiation mineral admixture containing barium slag
  • Anti-radiation mineral admixture containing barium slag

Examples

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Embodiment

[0030] Prepare the anti-radiation mineral admixture containing barium slag in the following manner:

[0031] Mix the finely ground barium slag, fly ash, ground mineral powder, powder polycarboxylate superplasticizer, polypropylene fiber, silica fume, thickener, etc. according to the mass ratio, and then get the radiation protection mineral containing barium slag Admixtures. Wherein the preparation method of finely ground barium slag is: collect the barium slag waste of barium salt factory, remove impurity, utilize crushing equipment to crush and remove the barium slag waste after impurity, obtain the barium slag waste particle diameter less than 3mm, Then use the grinding equipment to grind the barium slag waste particles to make the specific surface area greater than 3800cm 2 / g of ground barium slag, SiO in the ground barium slag 2 The content is greater than 20wt.%, Al 2 o 3 and Fe 2 o 3 The content is greater than 8wt.%, BaSO 4 The content is greater than 55wt.%; th...

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Abstract

The invention relates to anti-radiation mineral admixture containing barium slag. The anti-radiation mineral admixture comprises, by mass, 50%-60% of the levigated barium slag, 20%-30% of coal ash, 10%-15% of levigated mineral powder, 0.5%-1% powder polycarboxylic acid water reducer, 0.1%-0.3% of polypropylene fiber, 5%-10% of silica fume and 0.5%-1% of thickener. The anti-radiation mineral admixture has the following advantages that a barium slag reuse way is provided; good radiation resistance is achieved; the anti-radiation mineral admixture can replace part of cement to be used in concrete, and the production cost of the concrete is lowered; the anti-radiation mineral admixture containing the barium slag is simple in preparing method, easy and convenient to prepare, low in cost and suitable for being produced on a large scale.

Description

technical field [0001] The invention belongs to building materials, in particular to a radiation-proof mineral admixture containing barium slag. Background technique [0002] There are various radiations around us in our life, such as alpha rays, beta rays, radio waves and so on. These radiations are harmful to our physical and mental health and are potential threats in our life and work. Therefore, the preparation of a radiation-proof concrete mineral admixture plays an important role in our protection against various radiation rays. [0003] Barium slag is the residual solid in the production of barium salt, which belongs to industrial waste. Because barium-containing waste residue has certain toxicity and will cause great pollution to the environment, it is very cautious to deal with it at home and abroad. With the development of the chemical industry, the amount of barium-containing waste slag produced in my country is increasing year by year, reaching 400,000 tons in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/32C04B24/26C04B18/14C04B18/08C04B16/06
CPCY02W30/91
Inventor 谭洪波李信马保国林超亮
Owner WUHAN UNIV OF TECH
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