1, the main heat conducting device pipe air preheater tube type air preheater of boiler boiler is thin wall steel tube.
The tube type air preheater of boiler assumes the cubic shape, steel pipe vertical cross arrangement between you and I, both ends in the upper and lower tube plate welding.
The tube type air preheater of boiler tube box with middle tube plate in the flue gas pipe, along the upper and lower through the air preheater, the transverse passes through the preheater, complete Kaluri conduction.
The tube type air preheater of boiler's strengths is tight closed well, high rate of heat conduction, convenient manufacture and processing, because of the many applications in power plant boilers and industrial boilers.
The lack of tube type air preheater of boiler is size large, steel pipe internal substantial meaning easy ash clogging, difficult to completely finish and a flue gas inlet is easy to wear.
2, the structure of plate air preheater of boiler plate boiler air preheater loose loose but not compact, making the demand quantity of waste steel, because of the guidance of the higher.
The air preheater of boiler plate box by welding form mosaic, welding office amount is large and crack more easily exposed, leakage.
The air preheater of boiler plate so far has rarely been used.
The main heat conducting device of plate air preheater of boiler is a thin steel plate, a plurality of thin steel plate welding together into a rectangular box, and a number of boxes into a group of air preheater of boiler, plate by 2 to 4 steel plate welding box component.
The air preheater of boiler plate office, flue gas flows through the outside box, inside the air flowing through the box plate, after completion of heat conduction.
3, turned the boiler air preheater turning type boiler air preheater's strengths is the size of small, light weight, compact structure, the heat conducting element bear wear allowance, because the turning type air preheater of boiler suit especially used in large boilers.
The lack of turning type boiler air preheater is the inner mechanism of complex, power consumption is big and the leakage amount higher.
Turn the boiler air preheater is refers to the inside is provided with a rotary device, a boiler air preheater after rotation utility between flue gas and air heat conduction conduction energy.
Turn the boiler air preheater can also be divided into two categories, namely the heating surface of rotation of the rotor turning type boiler air preheater, Huifeng rotating duct turned the boiler air preheater.