High alumina thermal insulation brick
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High alumina thermal insulation brick
The enterprise production of high strength light refractory, a total of eight series of more than 50 varieties, more than 100 kinds of specifications, annual production capacity of 30000 tons. The products have the advantages of high strength, consistent color, high refractoriness, low thermal conductivity and long service life. They are widely used in various lining and insulation layers in metallurgy, coking, petroleum, chemical industry, ceramics, glass, aluminum electrolysis, thermal power and carbon industries.
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Mullite insulation is a new type of insulation material, it uses mullite as the main raw material, after high temperature melting, fibrosis treatment. Mullite insulation has many advantages, such as excellent insulation performance, good fire resistance, excellent compressive strength and corrosion resistance, etc., is one of the widely used insulation materials on the market.
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The enterprise production of high strength light refractory, a total of eight series of more than 50 varieties, more than 100 kinds of specifications, annual production capacity of 30000 tons. The products have the advantages of high strength, consistent color, high refractoriness, low thermal conductivity and long service life. They are widely used in various lining and insulation layers in metallurgy, coking, petroleum, chemical industry, ceramics, glass, aluminum electrolysis, thermal power and carbon industries.
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Silicon bath soil insulation brick
Diatomite products have a low thermal conductivity (it is about 50% lower than other products of the same density) volume stability. Suitable for aluminum electrolysis, carbon industry, the use of temperature of about 1000 ℃.
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Refractory material is the basic material of iron and steel industry. The refractory industry and the iron and steel industry promote each other and develop together. With China's economy entering the new normal, a series of new characteristics have emerged in the iron and steel industry: overcapacity, declining profitability, enhanced environmental and resource constraints, and more challenges in transformation and upgrading. The new normal of the iron and steel industry has put forward new requirements, new thinking and new changes to the refractory industry in the upstream of the industrial chain. In recent years, the performance and application of refractory materials have shown the characteristics of characteristics, diversification, refinement, high efficiency and low consumption. The development of refractory raw materials must be adapted to it, and it will also be diversified, enriched, and characterized. The new trend evolves.
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What are the selection methods of refractory bricks?
Refractory bricks are divided into heavy and light weight, and light weight is divided into specific gravity and material. Heavy have alkaline, acidic, neutral points.
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The difference between heavy refractory brick and light refractory brick
Heavy refractory brick belongs to high temperature resistant and wear resistant refractory material, the use of high temperature, more used for industrial kiln working layer or permanent layer material, to prevent high temperature solution on the kiln body damage, protect the insulation layer material. Lightweight refractory brick is a thermal insulation brick, the use of low temperature, more for the kiln or thermal equipment insulation material, reduce heat loss, save energy consumption.
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Refractory materials: seize the opportunity of industry integration
The refractory industry has "two highs", raw materials account for more than 50% of the cost, and the gross profit margin is as high as 30%, which is much higher than that of general manufacturing enterprises. The main reason is that the refractory industry has relatively high requirements for technology, and downstream companies need to obtain stable quality-assured refractory materials to ensure the continuity, stability and safety of their production.
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Refractory brick purchase skills
Look at the proportion of impurities in refractory bricks. Generally speaking, in the process of sintering refractory bricks in strict accordance with the proportion of ingredients, there will be impurities, there is no perfect product, does not affect the quality of the product. However, some manufacturers often do not produce according to the proportion of materials, so that the sintered refractory bricks do not have a hard structure, so that the quality of the sintered bricks is not up to standard, and finally shoddy and high prices are used to cheat consumers. Then when you buy refractory bricks, you can check them through their surfaces.
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What is the heat-resistant temperature of lightweight heat-insulating refractory bricks
The insulation layer of the furnace lining is to protect the furnace shell and save energy. Lightweight heat-insulating refractory bricks, lightweight heat-insulating castable fiberboard and other materials are used as the insulation layer.
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