Economizer

Economizer is an essential part of modern boiler, its role is to use heat from the boiler flue gas heated boiler feed water, reducing exhaust heat loss. At present, the iron-type economizer still used (see below), although it is resistant to corrosion resistance, maintenance costs low, but bulky, heavy, easy to fouling Fouling, iron nature of brittle and can not withstand water hammer, and the connection Flange and more prone to water leakage, and only for less than 2.4MPa working pressure of the boiler, but also can do the non-boiling type economizer;-ray-tube economizer Although light weight, small size, but the heating surface small, poor heat transfer effects. Based on the above, I digestion and absorption of the U.S. company's technical staff the advanced spiral finned tube production technology, developed to produce high-strength, high-performance fins and spiral fin tube economizer. The economizer in a large boiler, has been used and received a good use of effects