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$Construction methods of heat-insulating refractory castables$

Construction methods of heat-insulating refractory castables

2024-01-15 Náš blog

The construction method of heat-insulating refractory castables differs from that of heavy castables, and the construction methods of different types of castables are also different. Commonly used lightweight insulation castables include expanded perlite castables, vermiculite castables, ceramsite castables, and alumina hollow ball castables.

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$Semi-silica refractory brick introduction$

Semi-silica refractory brick introduction

2024-01-12 Náš blog

Semi-silica refractory brick is refractory bricks produced with pyrophyllite as the main raw material, and their refractoriness is greater than 1700°C. It has good thermal shock resistance, can withstand the impact of steel slag and metal, and has strong creep resistance.

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Characteristics of acid-proof tiles

2024-01-08 Náš blog

The main raw materials of acid-resistant bricks are quartz, feldspar, and silica. They are made of corrosion-resistant materials after being roasted at high temperatures. It is not easily oxidized at room temperature, can withstand alkaline media of any concentration, and has excellent corrosion resistance against hydrochloric acid, nitric acid, a…

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How to control the thermal expansion coefficient of alumina fire brick?

2024-01-05 Náš blog

Alumina fire brick is the most representative product of aluminum-silicon refractory bricks. They have higher refractoriness than clay bricks and can be used for many years at high temperatures of 1300℃-1550℃ without erosion or wear. However, the biggest disadvantage is that Thermal shock stability against temperature changes is relatively poor.

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Introduction to the uses of fused magnesia

2023-12-29 Náš blog

Fused magnesia is formed by melting magnesite ore at high temperatures in an electric arc furnace. The main features of fused magnesia are high melting point (up to 2800°C), stable chemical properties, high compressive strength, erosion resistance, and corrosion resistance. , Magnesia is an important raw material for metallurgy, building…

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$6 types of refractory materials commonly used in coke ovens$

6 types of refractory materials commonly used in coke ovens

2023-12-19 Náš blog

A coke oven is a furnace used to refine coke. Modern coke ovens comprise a carbonization chamber, combustion chamber, regenerator, chute area, furnace top, foundation, flue, atd. The coal material in the carbonization chamber is heated and turned into coke under air-isolated conditions. What refractory materials are commonly used in…

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