How to design an internally electrically heated storage tank at atmospheric pressure
Thread Content
It is a atmospheric pressure hot water storage tank with a DN1400 flat bottom and flat lid, with a capacity of around 4 cubic meters. The tank top is connected via detachable flanges, and it requires electric heating to 90 degrees Celsius (taking approximately 1–2 hours). Can GB50341 still be used as a reference for its design?
The design of an internally electrically heated storage tank at atmospheric pressure can follow these steps: 1. Determine the size and capacity of the storage tank, and decide on the dimensions of a DN1400 flat-bottomed, flat-top tank based on the requirements. 2. Determine the material of the storage tank; common options include carbon steel and stainless steel. Select the appropriate material based on the properties of the medium and the operating environment. 3. Design the structure of the storage tank, including the flat bottom, side wall thickness, and top flange connections. Ensure the structure is stable and reliable, in compliance with relevant standards. 4. Install an electric heating system, selecting the appropriate electric heater and control system as needed. Given the long heating time, it is recommended to use a high-efficiency electric heater and to implement appropriate safety measures such as overheat protection and overload protection. 5. Based on the design requirements, conduct calculations for heat conduction and heat loss to determine the appropriate insulation material and thickness in order to reduce energy loss. 6. Refer to the relevant specifications in GB50341 to carry out structural strength calculations and safety assessments, ensuring that the storage tank can withstand the pressures and temperatures under design conditions. 7. Carry out the manufacturing and installation of storage tanks, and conduct construction in accordance with design requirements to ensure the quality and reliability of the tanks. It should be noted that, according to the problem description, this design requirement may differ slightly from the standards in GB50341. Therefore, during the design process, it may be necessary to take other relevant standards and specifications into account to ensure the rationality and safety of the design. If necessary, it is recommended to consult and have a professional engineer carry out the design. .
Thank you for the detailed response. Regarding handshake, I would like to ask further: the solution proposed by the electric heater manufacturers is to use a 50KW electric heater that operates continuously for 9 hours, which is sufficient to reach a temperature of around 90 degrees Celsius. Will this process generate some internal pressure? There is an always-open vent hole at the top of the tank