BMT steam-to-steam Pure and Clean Steam Generators utilize plant steam as the heating source to produce pure or clean steam. The tube and shell heat exchange is made from 316L stainless steel and can be built in single-tube-sheet or double-tube-sheet construction. The shell side of the evaporator is filled with plant steam providing heat to the evaporator tubes. The tubes are filled up to approximately 40% from the bottom with feed water. As the feed water is heated and evaporates, it travels up the tubes where additional heat removes any moisture. The steam exiting the top of the evaporator is clean, dry and saturated. The impurities remaining in the concentrated impurities remaining in the unevaporated feed water are lead to drain via a timed blow down valve. When pure steam is required a steam separation device is included at the top of the evaporator. The steam separator is designed to direct the steam in a rigorous path where any impurities or remaining moisture is stripped off and lead to drain. When condensed the Pure Steam will meet Water-for-Injection standards. BMT Pure and Clean Steam Generators are available in almost any size and capacity.

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