Calculation method for power of cast aluminum heaters
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Calculation method for power of cast aluminum heaters
Firstly, the calculation of heating power should pay attention to the following three aspects:
1. Heat loss in the system
2. Power at startup
3. Power during operation
Secondly, when calculating, the following worst-case scenarios should be considered:
1. Maximum operating temperature
2. Shortest operating cycle
3. Minimum ambient temperature
4. Maximum weight of heating medium (maximum flow rate for flowing medium)
Thirdly, the steps for designing the power of cast aluminum heaters:
1. Draw a heating process flowchart based on the process (excluding material forms and specifications).
2. Calculate the heat and time required for system startup.
3. Calculate the heat required for the process.
Fourthly, consider an appropriate safety factor to determine the total power of the cast aluminum heater.
1. Determine the power supply and control system for the cast aluminum heater.
2. Determine the sheath material and power density of the heating element.
3. Determine the form, size, and quantity of cast aluminum heaters.
The utility model provides a cast aluminum disc electric heater, which includes a shell body and a built-in electric heating body, characterized in that the electric heating body is wound into at least two coils or more in a disc tube shape. The electric heating body has been improved from a plate type to a disc tube shape with more than two coils, increasing the area, reducing the failure rate, greatly improving reliability, and service life.
A cast aluminum disc electric heater, comprising a shell body and a built-in electric heating body, characterized in that: a. the electric heating body is wound into at least two coils or more in the shape of a disc tube. b. The electric heater is disc shaped with a through hole in the middle. c. The electric heater is evenly distributed with screw holes. d. The electric heating pipes are wrapped and tied with aluminum wire.
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