M Type SiC Heating element

M Type SiC Heating element

Precautions for use and maintenance of silicon carbide rods 1. Silicon carbon rods are hard and brittle in texture, so special care should be taken when moving them. They should be handled gently, placed with care, and strictly guarded against mechanical strikes to avoid breakage. 2. The gap between the silicon carbide rod and the insertion hole should be filled with refractory fiber cotton, but not too tightly. After passing through the rod holes on both sides (or up and down) of the furnace wall, it should be freely rotated 360 degrees to prevent forced installation and tapping. Before installing the rod, a test tube with the same diameter as the rod end can be used for trial installation. 3.When installing aluminum braided strips and clips, do not come into contact with the fireplace to avoid short circuits, and leave a certain gap between the aluminum braided strips to prevent thermal expansion and contraction from breaking the silicon carbide rod. 4. The use of gate type silicon carbide rods must be equipped with voltage regulating transformers or controllable silicon voltage regulators, as well as voltage, current meters, and temperature automatic control instruments. During use, the resistance gradually increases due to the oxidation of the rod. To protect the normal temperature of the furnace, the operating voltage should be increased. When the voltage reaches the higher limit of the transformer used but still does not meet the requirements, the furnace can be shut down and the wiring method of the rod can be changed before continuing to use. According to the regulations, the resistance of the component increases to four times its original value, and even if the component continues, its life is considered to have ended. 5. When the new furnace starts to be powered on, in order to prevent rod breakage, it should use 1/2 of the rated power of the resistance furnace for a period of time, and gradually increase the voltage after everything is normal. The temperature should be raised according to the electric furnace heating specifications to avoid bursting the silicon carbide rods due to excessive power.

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M Type SiC Heating element Images