The stainless steel metal plates of the plate heat exchanger adopt a mutually inverted mode during installation and assembly, so that a mesh contact can be formed so that the fluid in the channel becomes a mesh fluid. Special care should be taken when selecting plate heat exchangers under special conditions. If the thickness of the selected plate heat exchanger is thinner, it is easy to cause the plate to deform. If the choice is thicker, a problem of reduced heat exchange efficiency will easily occur. Only by choosing the most suitable plate thickness can it operate normally.
(1) The pressure of the heat exchanger. Generally speaking, the conventional working pressure is below 1.0MPa, and we choose the thickness of the plate to be 0.5mm. When the pressure exceeds 1.0MPa and is less than 1.6MPa, we will choose a thickness of 0.6mm. Taking into account that the system pressure is too high, the thickness of the 0.5mm plate will be deformed by the excessive pressure and leak.
(2) Plate corrosion. For ordinary water, oil, water, and soda conditions, we mainly use 0.5mm plate thickness, which is more conducive to heat transfer. When encountering strong acids, strong alkalis or highly corrosive products, we will also consider using a plate thickness of 0.6mm or 0.7mm. The main purpose is to continue the high heat transfer efficiency of the plate and also prolong the corrosion. .
(3) The temperature of the plate heat exchanger. The maximum temperature of the plate heat exchanger should not exceed 190℃. If the temperature exceeds the maximum temperature, we recommend using a fully welded heat exchanger. The fully welded heat exchanger is resistant to high temperature and pressure, and the thickness of the plate reaches 1mm.