Preparation method of waste ceramic castable

A technology for waste ceramics and castables, which is applied in the field of preparation of waste ceramics castables, can solve the problems of poor wear resistance, thermal shock stability and high cost of castables, and achieve improved thermal shock stability, wear resistance, and high hardness Effect

Inactive Publication Date: 2014-01-15
浙江攀盛冶金材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The wear resistance and thermal shock stability o

Method used

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Experimental program
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specific Embodiment 1

[0023] Specific embodiment 1, the percentage by weight of each component in the described raw material is waste ceramics 75wt%, bauxite 15wt%, 92 silicon micropowder 6wt%, Al 2 o 3 Micro powder 1.5wt%, CA-70 cement 2.5wt%.

specific Embodiment 2

[0024] Specific embodiment 2, the percentage by weight of each component in the described raw material is waste ceramics 70wt%, bauxite 20wt%, 92 silicon micropowder 6wt%, Al 2 o 3 Micropowder 2wt%, CA-70 cement 2wt%.

specific Embodiment 3

[0025] Specific embodiment 3, the percentage by weight of each component in the described raw material is waste ceramics 80wt%, bauxite 11wt%, 92 silicon micropowder 5wt%, Al 2 o 3 Micropowder 1wt%, CA-70 cement 3wt%.

[0026] The preparation method of above-mentioned waste ceramic castable comprises the following steps successively:

[0027] a) After sieving waste ceramics according to particle diameter, take 25-30wt% of waste ceramics with a particle diameter of 5-8mm; 10-15wt% of waste ceramics with a particle diameter of 3-5mm; Waste ceramics 25-35wt%;

[0028] b) After the alumina is sieved according to the particle diameter, 3-5 wt% of the alumina with a particle diameter of 0-1mm is taken;

[0029] c) taking the bauxite particles with a particle diameter below 1mm and finely grinding them into bauxite fine powder with a particle diameter of 0.088mm with a ball mill, and taking 10-12wt% of the bauxite fine powder with a particle size of 0.088mm;

[0030] d) Weighing ...

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Abstract

The invention discloses a preparation method of waste ceramic castable. The preparation method takes industrial waste ceramics as an aggregate material and a powder material, adds the waste ceramics in the formula, and then adjusts the composition of the base materials so as to improve the wear resistance and thermal shock stability of the castable and reduce the cost and the environmental pollution, and the waste ceramic castable has the characteristics of high economic profit and market-oriented properties.

Description

technical field [0001] The invention relates to a method for preparing waste ceramic castables. Background technique [0002] Currently, the integral casting of the tundish is permanently lined with Al 2 o 3 -SiO 2 series materials, Al 2 o 3 - A series of products such as MgO-based materials, low-cement castables, ultra-low-cement castables, and cement-free castables featuring ultrafine powder and other additives. The aggregates of the products are generally made of corundum, mullite, and zircon. , silicon carbide, alumina, etc. The wear resistance and thermal shock stability of the castable are poor, and the cost is also high. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for preparing waste ceramic castables, which can improve the wear resistance of the castables, improve thermal shock stability, reduce costs, and reduce environmental pollution. [0004] In order to solve the above-mentioned t...

Claims

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Application Information

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IPC IPC(8): C04B35/66
Inventor 江群英于琪芳
Owner 浙江攀盛冶金材料有限公司
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