Industrial Silicon Furnace
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Main application of industrial silicon:
The industrial silicon also called silicon metal, its main application is be the additive agent of non-ferrous alloy. When puts the silicon into some nonferrous metal, it will improve the matrix metal’s strength, solidity and abrasion performance and sometimes can improve the casting property and welding performance. Industrial silicon also can used in silicon steel making which is required strict alloy agent, and used as deoxidizer for smelting special steel and nonferrous matrix alloy. After a series of processing treatment, the industrial silicon can be made to be monocrystalline silicon for electronic industry.
Industrial Silicon--Grade & Chemical composition
| Chemical Composition (%) | ||||
Si(%) | impurity content | ||||
Fe | Al | Ca | P | ||
1515 | >99.6% | ≤0.15 | — | ≤0.015 | ≤0.004% |
2202 | >99.5% | ≤0.2 | ≤0.2 | ≤0.02 | ≤0.004% |
2203 | >99.5% | ≤0.2 | ≤0.2 | ≤0.03 | ≤0.004% |
2503 | >99.5% | ≤0.2 | — | ≤0.03 | ≤0.004% |
3103 | >99.4% | ≤0.3 | ≤0.1 | ≤0.03 | ≤0.005% |
3303 | >99.3% | ≤0.3 | ≤0.3 | ≤0.03 | ≤0.005% |
411 | >99.2% | ≤0.4 | 0.04—0.08 | ≤0.1 | — |
421 | >99.2 % | ≤0.4 | 0.1—0.15 | ≤0.1 | — |
441 | >99.0 % | ≤0.4 | ≤0.4 | ≤0.1 | — |
553 | >98.5 % | ≤0.5 | ≤0.5 | ≤0.3 | — |
Production process of industrial silicon:
The industrial silicon smelting is in AC electric reducing furnace, our company use the advanced technology of domestic and foreign to design furnaces, it’s with advanced and reasonable technology, it’s substantially improved the industrial silicon furnace’s power factor and equipments’ working efficiency.
The main raw material of smelting industrial silicon includes: silica, carbonaceous reducing agent. Because of the strict requirement of the aluminum, calcium and iron content in industrial silicon, so has same strict requirement for the raw material.
Requirement of raw material: SiO2 (in silica)＞99.0%, Al2O3＜0.3%, Fe2O3＜0.15%, CaO＜0.2%, MgO＜0.15%, particle size is 25～80㎜.
The principle to choose carbonaceous reducing agent is: high fixed carbon, low ash specification, good chemical activity. Usually, using low-ash petroleum coke or pitch coke as reductant. But due to both of the coke have low resistivity, poor reaction ability, we have to use the charcoal (wood brick) with low ash specification, powerful resistivity and strong respond ability to replace some petroleum coke. For sintering the burden we also need use some low-ash soot.
- Q:What are the advantages of a vacuum furnace?
- Energy consumption is lower than salt bath furnace. Modern advanced vacuum industrial furnace heating chamber is made of high quality heat insulation material and wall, which can concentrate electric heating energy into heating chamber with remarkable energy saving effect.
- Q:Heat treatment equipment (industrial furnace), which products generally contain what kind of, which industries need to use heat treatment industrial furnace equipment.
- The main equipments of heat treatment are classified into two major categories: main equipment and auxiliary equipment. The main equipment includes heat treatment furnace, heating device, surface modification, surface oxidation device, surface mechanical enhancement device, cooling equipment, cold processing equipment, process parameter detection and control instrument; auxiliary equipment includes cleaning cleaning equipment, furnace atmosphere heating medium permeability meter preparation equipment, cooling device, quenching medium heavy transport machinery, quality testing equipment, power transmission line and auxiliary equipment, fire safety equipment, dust and other production fixture.
- Q:What's the role of anchor bricks in industrial furnaces?
- Anchorage brick is a new type of anchor brick relates to an industrial furnace, in particular to anchor brick of an industrial furnace roof, including column hanging end and the anchor structure, opened in the anchor on the surface of the spacing of the grooves in the anchor on at least one surface is arranged along the length direction ribs is provided with ribs, the ribs of the reinforcement and anchorage tension, tensile and flexural strength was obviously improved, the stress generated in the groove at the bar at the barrier can not continue to transfer, so the anchor brick of this kind of structure is not easy to break.
- Q:Selection of heat preservation material for industrial furnace
- Ceramic fiber blanket can be used.Ceramic fiber blanket color white, regular size, set fire, heat insulation, insulation in one. Free from any binding agent.
- Q:What is an industrial furnace pit?
- The creation and development of industrial kilns play an important role in the progress of mankind. Chinese appeared more perfect in the Shang Dynasty copper smelting furnace, furnace temperature is up to 1200 DEG C, up to 0.8 meters in diameter kiln stove.
- Q:Brief introduction to repair of industrial furnace
- The industrial furnace is the main production equipment in the machinery industry. The repair of industrial furnace directly affects the quality, high yield, long life, low consumption and safe production of the furnace.
- Q:What are the companies in the world that are currently engaged in metallurgical furnaces?
- Basically, no industrial furnace manufacturer can do all types of stoves.Often associated with the industry is very large,so your ranking is basically meaningless.
- Q:What is industrial furnace masonry?
- Masonry industrial furnaces refers to complete materials such as brick kilns in construction process.
- Q:What is the difference between industrial furnaces and boilers?
- Hot water or steam generated in the boiler can directly provide necessary energy for industrial production and people's life, but also by the steam power device is converted to mechanical energy, or through the generator converts mechanical energy into electrical energy. Hot water boilers are called hot water boilers. They are mainly used in daily life, and are also used in industrial production. Steam generating boilers are called steam boilers, often referred to as boilers. They are used in thermal power stations, ships, locomotives and industrial and mining enterprises.
- Q:What are the combustion equipments used in industrial boilers?
- The boiler is an energy conversion equipment. The energy input to the boiler has the chemical energy and the electric energy in the fuel. The boiler outputs steam with certain heat energy and high temperature water.
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Industrial Silicon Furnace
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