Production Capacity Of Silicon Carbide

Name: China Discount Production Capacity Of Silicon Carbide Manufacturers Factory - Free Sample - Dedao Materials
Brand: DeDao
SKU: 232725383

China has more than 200 silicon carbide smelting enterprises, with an annual production capacity of more than 2.2 million tons (of which: green silicon carbide block more than 1.2 million tons, black silicon carbide block about 1 million tons). Smelting transformer power is mostly 6300-12500KVA, and the largest smelting transformer is 32000kVA. There are more than 300 sand and powder processing enterprises with an annual production capacity of more than 2 million tons. In 2012, China's silicon carbide capacity utilization rate is less than 45%, about one-third of the smelting enterprises have processing sand powder production lines. Silicon carbide processing sand powder production enterprises are mainly distributed in Henan, Shandong, Jiangsu, Jilin, Heilongjiang and other provinces.

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Product Introduction

Products Description

China's silicon carbide smelting production process, technical equipment and energy consumption per ton have reached the world's leading level. The quality level of black and green silicon carbide raw blocks is also world-class. The gap between China's silicon carbide and the world's advanced level is mainly concentrated in four aspects: first, rarely use large mechanical equipment in the production process, many processes rely on manpower to complete, per capita silicon carbide output is low; Second, in the silicon carbide deep processing products, the quality management of granular sand and powder products is not fine enough. The stability of product quality is not enough: third, the performance indicators of some cutting-edge products have a certain gap compared with similar products in developed countries; Fourth, direct emission of carbon monoxide in the smelting process. Major foreign enterprises have basically realized closed smelting, while China's silicon carbide smelting is almost all open smelting, and carbon monoxide is all direct discharge. In 2012, Chinese enterprises developed a closed smelting technology to achieve full recovery of carbon monoxide, but there is still a long way to go from industry-wide popularization.

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►Quality specifications of silicon carbide

① abrasive grade silicon carbide technical conditions according to GB/T2480-96. The chemical composition of each grade is given in tables 6-6-47 and 6-6-48.

② Abrasive particle size and composition, abrasive particle size composition determination method: according to GB/T2481.2-2009.GB/T 9258.1-2000 abrasive particle size analysis for coated abrasives - Part 1: Particle size compositionGB/T 9258.2-2008| abrasive particle size analysis for coated abrasives - Part 2: Determination of particle size composition of coarse abrasive particles P12~P220 - Part 3: Determination of particle size composition of fine powder P240~P2500 - GB/T 9258.3-2000 - Abrasive size analysis for coated abrasives - GB/T 9258.3-2000

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►Applications of silicon carbide

Silicon carbide has four main application areas, namely: functional ceramics, high-grade refractory materials, abrasives and metallurgical raw materials. Silicon carbide raw material has been able to supply a large number of high-tech products, and the application of nano-scale silicon carbide powder with very high technical content is impossible to form economies of scale in a short time.

(1) As an abrasive, it can be used as an abrasive tool, such as grinding wheel, whetstone, grinding head, sand tile, etc.

(2) As a metallurgical deoxidizer and high temperature resistant material.

(3) high-purity single crystals, which can be used to manufacture semiconductors, manufacture silicon carbide fibers,Main Applications: For 3-12 inch monocrystalline silicon, polysilicon, potassium arsenide, quartz crystal and other wire cutting. Solar photovoltaic industry, semiconductor industry, piezoelectric crystal industry engineering processing materials.Used in semiconductor, lightning rod, circuit components, high temperature applications, UV detector, structural materials, astronomy, disc brake, clutch, diesel particulate filter, fine wire pyrometer, ceramic film, cutting tools, heating elements, nuclear fuel, jewelry, steel, protective gear, catalyst support and other fields.

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Silicon Carbide Abrasive Powder

Silicon Carbide Also Known As "carborundum"