What Is Brown Corundum Abrasive? Where Is It Used?

Brown corundum abrasive is formed by melting bauxite, anthracite and iron chips in the arc at a high temperature of more than 2000 degrees. After being destroyed and formed by the autogenous mill, iron is removed through magnetic separation and screened into various sizes. Its texture is dense, its hardness is high, and its particles are spherical. It is suitable for making ceramics, resin high consolidation abrasive tools, grinding, polishing, sandblasting, precision casting, etc. It can also be used to manufacture high refractory materials. The main component of brown corundum abrasive is aluminum oxide, so it is used.
Application range of brown corundum abrasive:
1. Sandblasting abrasives have moderate hardness, high bulk density, no free silicon dioxide, high specific gravity and good durability. They are "environmentally friendly" sandblasting materials, widely used in aluminum profiles, copper profile glass, fine molds for washing jeans, etc.
2. Self-grinding abrasive, widely used in self-grinding of kinescope, optical glass, monocrystalline silicon, lens, wall clock glass, crystal glass, jade and other categories, is a high abrasive material in China.
3. Resin abrasives have appropriate color, good hardness, durability, appropriate particle section type and blade retention force, and are suitable for resin abrasives;
4. Coated abrasive is the production material of abrasive paper, gauze and other manufacturers;
5. Functional filler - mainly used for automobile brake parts, special tires, special construction products, etc. It can be used as wear-resistant material for construction of highway pavement, aircraft runway, wharf, parking lot, industrial ground, stadium, etc.
6. Filter media is a new abrasive application category. Granular abrasive is selected as the bottom medium of the filter bed to purify drinking water or wastewater. It is a new type of water filtration material at home and abroad, especially suitable for non-ferrous metal beneficiation. Oil drilling mud enhancer;
7. Hydraulic cutting is a new, environmentally friendly and basic cutting method. It uses abrasive as cutting medium and relies on high-pressure hydraulic jet to cut oil (natural gas) pipes, steel and other parts.
Brown corundum abrasive products are characterized by high hardness, high purity, impact resistance, oxidation resistance, corrosion resistance, high temperature resistance, no pulverization, no explosion, and stable chemical properties. It is an important abrasive for refractory processing. It is widely used in iron trench castables, refractory ramming materials, aggregate for castable filling, abrasive for long nozzle, slide plate, steel ladle and various corundum products, mainly used in sand blasting, polishing and other industrial processes.
Brown corundum abrasives cause different degrees of dust pollution, water pollution, gas pollution and noise pollution to the environment during smelting and processing. If it is not handled, it will cause great harm to society and the environment and make the enterprise unable to develop for a long time. So how to deal with energy conservation and emission reduction in the smelting process of brown corundum abrasive?
1. Dust treatment: at the initial stage of the factory, automatic anti-pulse bag filter and cartridge filter are used to solve the environmental pollution caused by the dust generated in the process. At present, this method is still the choice of dust treatment.
2. Noise pollution control: mechanical noise is mainly shielded and absorbed at the noise source of fixed equipment; The gas noise is mainly at the inlet and outlet. At present, noise pollution has been basically solved.
3. Water pollution treatment: for water pollution caused by washing abrasive, water circulation is mainly used to achieve zero discharge; Abrasive water is polluted by acid washing. High temperature treatment is used instead of acid washing process to solve the problem of water pollution after acid washing.
4. Gas pollution: the coal used in the calcination and drying process will cause certain pollution to the atmosphere. Coal gasification solves all the original coal drying processes. In the use of gas stoves, the main purpose is to carry out technical transformation of gas stoves, so as to reduce coal consumption, improve coal efficiency and achieve the purpose of energy conservation and consumption reduction.