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| Type: | Electric Coil |
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They are widely used in various high temperature electric furnaces under air, vacuum and other protection gas environments and other electric heating devices, such as industries of magnet, ceramics, powder metallurgy, glass and machinery, etc.
SiC Silicon Carbides are used in applications ranging in temperature from 600°C up to 1400°C in both air and controlled atmospheres. Although the type of atmosphere used will determine the maximum recommended element temperature. This kind of silicon carbide elements can be mounted either vertically or horizontally.
Factory Price SiC Silicon Carbide Rod Heating Element Heater For Industrial Electric Furnace
Factory Price SiC Silicon Carbide Rod Heating Element Heater For Industrial Electric Furnace
The influence to Rod surface in different Operating Temperature and Surface Load
|
atmosphere |
Furnace Temperature(°C) |
Surface Load(W/cm2) |
The influence on the Rod |
|
Ammonia |
1290 |
3.8 |
The action on SiC produces methane and destroys the protection film of SiO2 |
|
Carbon dioxide |
1450 |
3.1 |
Corrode SiC |
|
Carbon monoxide |
1370 |
3.8 |
Absorb carbon powder and influence the protection film of SiO2 |
|
Halogen |
704 |
3.8 |
Corrode SiC and destroy the protection film of SiO2 |
|
Hydrogen |
1290 |
3.1 |
The action on SiC produces methane and destroys the protection film of SiO2 |
|
Nitrogen |
1370 |
3.1 |
The action on SiC produces insulating layer of silicon nitride |
|
Sodium |
1310 |
3.8 |
Corrode SiC |
|
silicon dioxide |
1310 |
3.8 |
Corrode SiC |
|
Oxygen |
1310 |
3.8 |
SiC oxidized |
|
Water-vapor |
1090-1370 |
3.1-3.6 |
The action on SiC produces hydrate of silicon |
|
Hydrocarbon |
1370 |
3.1 |
Absorb carbon powder resulted in Hot pollution |
Factory Price SiC Silicon Carbide Rod Heating Element Heater For Industrial Electric Furnace
Factory Price SiC Silicon Carbide Rod Heating Element Heater For Industrial Electric Furnace
Notice for using and installing
1. Heater should be protected against damp during storing or installing to ensure the performance of the heater.
2. In order to be sure of well-distributed lod of each and groups, heater should be divided before assembling. The tolerance of the resistance of each one cannot exceed by 10% each other.
3. Heater is hard and brittle, please be careful when assembling and maintaining so as to avoid damage.
4. When operating the electric furnace at the beginning, the voltage should be increased slowly and cannot be fully loaded at once. Otherwise the larger current will be resulted in the damage of heater.
5. When heater is damaged and need to be changed, the resistance of new one should follow the increasing resistance. If many are damaged or resistance increased too much, heater should be changed.
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