tunnel entrance cold air heater
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Tunnel, Mine, Cold Air Heater
The LJ-DR air duct heater is heated by an electric heater. It is a new type of heating equipment used in the air heating system. The equipment is composed of a fan, an air duct heater body and a temperature control system. The heating element adopts stainless steel heating tube, 0Cr27Al7MO2 high temperature resistance alloy wire and crystalline magnesium oxide powder, which are formed by compression process to ensure the service life of the electric heating element. The control part adopts high-precision digital display temperature controller, relays, contactors, etc. to form an adjustable temperature measurement and constant temperature system, with functions such as anti-dry burning, over-temperature protection, overload short-circuit protection, etc., to ensure the normal operation of the air duct heater .
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