What type of condenser can be used with high-temperature brine to prevent corrosion?
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Our unit has a 30m3 hot water tank at 90°C; this tank is connected to an eight-way connector for circulation. So this water tank is filled with saltwater. At present, it is not possible to install steam coils and drain valves in the hot water tank to save energy and reduce consumption, as steam is introduced directly into the water for heating; therefore, the hot water tank often needs to have its hot water drained, otherwise it will overflow. The water used for heating is also hot saline at around 90 degrees. I thought of using a pipe carrying deionized water (purified water) from the boiler to heat it through a heat exchanger, but the operating conditions are too poor, and it’s difficult to determine the appropriate thickness of material for the heat exchanger. Please suggest some ways to solve this issue.
Due to the issues caused by high salt content and high chloride levels, 2205 duplex steel and 2507 super duplex steel are now commonly used
For high salt content, duplex steel 2507 can be used; for lower levels, 2205 can be utilized.