Series ASTEG Steam Generator

Unfired Steam Generator

Clean steam unfired steam generators utilizes feed water that is free from boiler water treatment chemicals. Use of clean steam is commonly associated with hospitals, food processing plants, commercial kitchens and research labs for cooking, cleaning, sterilization and humidification. Usually clean steam generators are made of stainless steel pressure vessel and accessories. When city water is used for make-up, continuous blowdown is required. The Alstrom patented blowdown heat recovery system reduces consumption of the heating media.

Unfired steam generators are used to protect fired steam boilers from harmful chemicals contained in the return condensate, such as in pulp and paper processing. Heating section and storage section are fabricated using materials that will be cost effective for the process steam condition. Tube bundles can be manufactured from stainless steel, cupro-nickel or titanium. Pressure vessels are offered in quality carbon steel or high grade stainless steel.


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