For Plate heat exchanger application has been very wide, no matter civil or industrial can not be without its figure, that as one of the main components of Plate Heat Exchanger Plate (metal plate: to suppress corrugated, sealed groove and corner hole of the metal plate, is an important heat transfer element.Corrugated can not only enhance heat transfer, but also increase the plate and rigidity, so as to improve the pressure capacity of Plate Heat Exchanger, and as a result of the liquid turbulent state, it can reduce the formation of sediment or dirt, play a certain "self-cleaning" role., has a lot of influence on heat transfer performance, plate Heat exchanger plate quality how to distinguish is good or bad, is a particularly important skill, that today will tell you how to judge the plate quality of plate Heat Exchanger.
1. Raw materials for sheet metal
For plate Heat Exchanger Plate quality basically see is raw material is high quality plate, plate in the factory in the same raw material purchasing channels, the selected material is with enough thickness of stainless steel, although referred to as stainless steel, but is divided into different grades of stainless steel, because internal material contained in the content of trace elements is different, stability and corrosion resistance also can make a big difference, so for plate heat exchanger plate material quality is more important.
2. Press mold for plate
Plate heat exchanger plate quality is relevant with the mold, the mold precision and hardness determines the capacity and quality of plates, the precision of the mould, as a result of different ways of density would have bigger difference, if there is no reasonable maintenance, there will be a process not jing, clearance, suppress the board that wasn't up to par.For experienced manufacturers, different materials, thicknesses and models require different pressures to produce truly standard materials.
For plate heat exchanger plate quality should be economic and reasonable to select, to have good performance of cold stamping, again in the same medium, have high corrosion resistance, it is very important, under normal circumstances, the requirements for the corrosion rate of plate is less than and equal to 0.05 mm/year, for the tube shell type plate heat exchanger is less than or equal to 0.1225 mm/year.
