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Anti-erosion refractory material

A refractory material and anti-erosion technology, applied in the field of refractory materials, can solve the problems of low flexural strength and low corrosion resistance, achieve low cost, simple manufacturing process, and improve the structure

Inactive Publication Date: 2016-03-30
蚌埠市华科机电有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing refractory materials have low flexural strength and low erosion resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0011] An anti-erosion refractory material is made of the following components in parts by weight: 90 parts of quartz sand, 20 parts of perlite, 10 parts of rutile, 15 parts of magnesium oxide, 15 parts of calcium oxide and 5 parts of kaolinite.

[0012] Further, the quartz sand, perlite and rutile are pretreated: mix the quartz sand, perlite and rutile together, add 10 parts by weight of coke at a temperature of 1800 ° C, and continue to feed nitrogen, and react 4 Hour.

[0013] Further, the magnesium oxide and calcium oxide are ground into powder after being calcined at 350° C. for 1 hour.

[0014] Further, the kaolinite is soaked in 5% sodium hydroxide for 30 minutes, and then put into calcination at 250°C for 30 minutes.

[0015] The performance index of refractory material of the present invention is:

[0016] indicator, unit

The refractory material of the present invention

Bulk density g / cm3

3.4

1 --> Compressive strength MPa

165-185 ...

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PUM

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Abstract

The invention discloses an anti-erosion refractory material. The anti-erosion refractory material is prepared from components as follows: quartz sand, perlite, rutile, magnesium oxide, calcium oxide and kaolin. The refractory material is prepared with a simple preparation process and is low in cost and suitable for large-scale popularization; quartz sand, perlite and rutile are subjected to a coke thermal reduction-nitridation process, so that the prepared refractory material has extremely high breaking strength and erosion resistance; kaolin is subjected to high-temperature calcination after being soaked in alkali, the structure is improved, and the service life of the refractory material is prolonged.

Description

technical field [0001] The invention relates to the technical field of refractory materials, in particular to an erosion-resistant refractory material. Background technique [0002] Refractory materials are widely used in metallurgy, chemical industry, petroleum, machinery manufacturing, silicate, power and other industrial fields, and are used in the largest amount in the metallurgical industry, accounting for 69% to 60% of the total output. Refractory materials are used in various fields of the national economy such as steel, non-ferrous metals, glass, cement, ceramics, petrochemicals, machinery, boilers, light industry, electric power, and military industry. They are essential materials to ensure the production and operation of the above industries and technological development. It plays an irreplaceable important role in the development of high temperature industrial production. Existing refractory materials have low flexural strength and low erosion resistance. Conte...

Claims

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Application Information

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IPC IPC(8): C04B35/66
Inventor 朱兴保
Owner 蚌埠市华科机电有限责任公司