Blowdown tanks or separators are used to safely lower both the pressure and the temperature of blowdown water. Regular blowdown events will prolong the life of your boiler and help it operate more efficiently.
What is the purpose of blowdown?
The primary purpose of blowdown is to maintain the solids content of boiler water within certain limits. This may be required for specific reasons, such as contamination of the boiler water. In this case, a high blowdown rate is required to eliminate the contaminants as rapidly as possible.
Is a blowdown tank a pressure vessel?
certified pressure vessels. In many areas, Boiler Blowdown tanks are required by law to reduce the temperature and pressure of blowdown from the boiler before it enters the sewer system. ... It is generally accepted that the temperature of the water leaving the blowdown equipment shall not exceed 150 degrees F. and 5 psig.