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


Grade

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.


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Q:What is the difference between industrial furnace masonry and ordinary masonry?
Industrial furnace masonry requirements are relatively high, industrial furnaces of different uses, whether material or masonry process, have strict requirements.
Q:What is the difference in structure between industrial furnace and boiler?
Industrial furnace: main heating, steel and other metal materials, or ore and other materials. An industrial furnace of higher temperature, such as forging or heat treatment. Therefore, the energy consumption is large, and the insulation layer is designed to be thicker, and the structure is designed for the final purpose of the production purpose, the product process and the production efficiency.
Q:How many kinds of industrial electric furnaces are there?
Industrial furnace according to the heating mode is divided into two categories: one is the fuel furnace, combustion heat with solid, liquid or gaseous fuel in the furnace for heating the workpiece; the second is in the furnace, the furnace converts electrical energy to heat the heat.
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 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: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 industrial furnace masonry?
Masonry industrial furnaces refers to complete materials such as brick kilns in construction process.
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.
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:Heat treatment equipment (industrial furnace), which products generally contain what kind of, which industries need to use heat treatment industrial furnace equipment.
Heat treatment furnace is mainly for the mechanical processing and casting industry workpiece annealing, quenching, carburizing, quenching and tempering, heat treatment equipment.

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