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1.Application of industrial silicon furnace:
Industrial silicon, also known as crystalline silicon or industrial
silicon. The main use of industrial silicon is as an additive for
non-ferrous alloys. Industrial silicon is also used as an alloying
agent for strict requirements of silicon steel, as well as a
deoxidizer for smelting special steel grades and non-ferrous
alloys. After a series of industrial processes, industrial silicon
can be processed into single crystal silicon for use in the
electronics industry.
Industrial silicon is widely used in the preparation of alloys, the
production of high-purity semiconductor materials, the production
of solar cells, the production of temperature resistant materials,
and organic silicon. In today's society, it has entered the era of
informatization and has been widely used in scientific research, as
well as various fields such as electrical, aviation, machinery,
chemical, pharmaceutical, and national defense in industrialized
countries.
Grade | (Code name) | Chemical composition | ||||
Si(>) | Impurity content(≤) | Total impurities( | ||||
Fe | Al | Ca | ||||
Chemical Silicon | Si—2203 | 99.5 | 0.20 | 0.20 | 0.03 | 0.5 |
Si—3303 | 99.0 | 0.30 | 0.30 | 0.03 | 1.0 | |
Si—3305 | 99.0 | 0.30 | 0.30 | 0.05 | 1.0 | |
Si—441 | 99.0 | 0.40 | 0.40 | 0.10 | ||
Metallurgical silicon | Si—553 | 98.5 | 0.50 | 0.50 | 0.30 | 1.5 |
Si—1 | 98.0 | 0.70 | - | 0.50 | 2.0 |
2. Main equipment composition and overview:
Composition of industrial silicon furnace equipment
(1) Mechanical part:
The main equipment includes: furnace body, low smoke hood, smoke
exhaust pipe, controller system (including electrode protection
cylinder, electrode lifting oil cylinder, hydraulic pressure ring,
suspension cylinder hydraulic lifting device), hydraulic brake,
water-cooled cable
Hydraulic system, water-cooled copper pipe short net, furnace
system equipment, etc.
(2) Auxiliary equipment includes: double beam bridge crane,
suspended electric hoist, electrode hoist, ramming machine, etc.
(3) High and low voltage electrical equipment:
This set of electrical equipment mainly includes: high-voltage
power supply system, low-voltage power supply system, low-voltage
electrical control system, and electrode lifting and adjustment
system.
3. Equipment composition
High voltage power supply system
Electric furnace transformer
Low voltage electrical equipment
This includes:
(1) Power supply cabinet
(2) PLC cabinet
(3) Hydraulic control cabinet
(5) Iron operation box
(6) Hydraulic control box
(7) Oil water cooler control console
(8) Pressure regulating control box