1. Heat treatment: local or integral quenching, annealing, tempering and heat transfer of various metals;
Second, thermoforming: the whole forging, partial forging, hot rolling, hot rolling;
Third, welding: various metal products brazing, various tool blades, saw blade serrated welding, steel pipe, copper pipe welding, explosion-proof mine electric heaters can do what? Same kind of dissimilar metal welding;
4. Metal smelting: (vacuum) smelting, casting and evaporation coating of gold, silver, copper, iron, aluminum and other metals;
5. Other applications such as high-frequency heating: What can be done by explosion-proof mine electric heaters? Semiconductor single crystal growth, thermal bonding, bottle mouth heat sealing, toothpaste skin heat sealing, powder coating, metal implanted plastic.
Since the thermal efficiency of the explosion-proof mine electric immersion heater is approximately 1, it can be considered that the power of the explosion-proof mine electric tubular heater is the calorific value.
1, power selection considerations
The following three items should be considered for the calculation of power:
(1) From the initial state, the heating medium is required to reach the set temperature (operating temperature) according to the specified time;
(2) The heat is sufficient to maintain the temperature of the medium under working conditions;
(3) There should be a certain safety margin, generally 1.2.
Obviously, the larger the power selected from points (1) and (2), multiplied by the safety margin is the power that should be selected.
2. Calculation of the required power for heating from the initial state
(1) Static fluid heating
(2) Flowing fluid plus
(3) Air duct heater atmospheric pressure air heating