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The new normal is a 'downshifting' period after the period of rapid economic growth. The new normal is primarily characterized by a slowdown in economic growth. At the same time, it includes an improvement in the quality of economic growth, specifically manifested in a shift from high-speed growth to medium-high speed growth, and a transition in the economic growth model from extensive scale growth to innovation-driven growth.
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The development of China's refractory materials industry is closely related to the output of mineral resources. Sufficient mineral resources will support the rapid development of China's refractory materials industry.
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What are monolithic refractories? What are the types of monolithic refractories?
Refractory materials are generally divided into two types: unshaped refractory materials and shaped refractory materials. Unshaped refractory materials are refractory materials composed of rationally graded granular and powdery materials and binders that are used directly without molding and firing. According to their process characteristics, unshaped refractory materials can be divided into castables, plasticized materials, ramming materials, sprayed materials, projected materials, refractory clays, refractory coatings, and dry-mixed materials.
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High-alumina bricks are the most widely used type of refractory bricks in the refractory materials industry. Generally speaking, aluminosilicate refractory materials with an Al2O3 content greater than 48% are collectively referred to as high-alumina refractory materials. What is the refractory temperature of high-alumina bricks? The refractory temperature of high-alumina bricks has a large fluctuation range, mainly affected by the Al2O3 content, and increases with the increase of Al2O3 content in the product. Let's learn more about high-alumina bricks.
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Refractory materials refer to a class of inorganic non-metallic materials with a refractory degree of no less than 1580℃. Refractory materials are the foundation of all high-temperature industries, with a wide variety of types and extensive applications. This article summarizes the applications of refractory materials in four major downstream industries: the steel industry, the cement industry, the non-ferrous metal smelting industry, and the glass industry. Refractory materials play an irreplaceable and important role in the development of high-temperature industrial production. Below, we will introduce in detail the types and uses of refractory materials. Let's learn more about them.
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2023
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What material are firebricks made of? What is the manufacturing process of firebricks?
Refractory bricks are widely used shaped refractory materials. Lightweight refractory bricks are used for insulation and heat insulation layers, while heavy refractory bricks are used for important parts of kilns, boiler combustion chambers, etc., that are subject to corrosion and wear. Refractory bricks can withstand temperatures above 1700 degrees. So what are refractory bricks made of? Refractory bricks can be roughly divided into two types: natural materials and artificially synthesized materials. Let's take a closer look at the raw materials of refractory bricks and the refractory brick manufacturing process.
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Refractory Brick Size Specifications Refractory Brick Standard Size and Weight
There are many types and applications of refractory bricks, so there are many ways to classify them. How are refractory bricks classified? They can be classified by preparation process, shape and size, and refractory brick composition. According to the different compositions of refractory bricks, they can be divided into silica-alumina refractory bricks, basic refractory bricks, carbon-containing refractory bricks, zirconia-containing refractory bricks, and insulating refractory bricks. The following is an introduction to the types of refractory bricks.
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What are the characteristics of firebricks? What is the refractory limit of firebricks?
Refractory bricks, depending on their material and content, can be used for extended periods at high temperatures exceeding 1000 degrees Celsius and up to over 2000 degrees Celsius. The fire resistance limit is determined through fire resistance testing of building components according to a time-temperature standard curve, used for fire prevention and fire separation. The fire resistance limit refers to the duration of a fire resistance test on a building component according to the time-temperature standard curve, measured from the time the component is exposed to fire until it loses its load-bearing capacity, its integrity is compromised, or ignition occurs. The duration is expressed in hours.
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