Haoran Machinery: A specialized manufacturer of stainless steel vessels.
08
2022
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06
What heating methods are used in the production and processing of stainless steel storage tanks?
1. Indirect heating with steam or hot water: Steam or hot water is passed through a tubular heater inside the storage tank or through the heating jacket of a tanker truck to heat the stored gas product.
2. Hot gas circulation heating method: A portion of the stored gas product is continuously withdrawn from the storage vessel, heated, and then returned to the vessel to mix with the cold stored gas. Mechanical stirring ensures rapid heat transfer. Stainless steel storage tanks can withstand very high pressures, making them suitable for many high-pressure applications.
3. Electric heating methods: There are three types—resistive heating, induction heating, and infrared heating. The infrared heating method features simple equipment, high thermal efficiency, and ease of use, making it suitable for heating vessels and tank trucks.
4. Hot-water cushion heating method: Heat is transferred to the gas storage unit via a hot-water cushion located beneath it. The design of the pressurized water-flow vessel prevents sediment at the bottom of the tank from being stirred up by the water flow, thereby enhancing the performance of domestic and fire‑fighting water systems. Hot water is continuously replenished while cooled cold water is discharged, maintaining the temperature of the hot-water cushion. Steam can also be used to supply heat. This method is employed when a convenient source of hot water is available.
5. Direct Steam Heating Method: Saturated steam (commonly referred to as steam) is directly introduced into the heated cylinder. Stainless steel storage tanks do not require frequent cleaning; only periodic opening of the drain valve at the bottom of the tank is necessary to discharge sediment accumulated in the water. The equipment is simple, requiring cleaning once every three years, which significantly reduces cleaning costs. This method is easy to operate and offers high thermal efficiency, but condensate can affect gas storage quality. It is suitable for gas storage applications with low moisture content requirements, such as natural gas storage and agricultural diesel storage.
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