Analysis of the impact of plate heat exchanger heat transfer performance of the main factors-Qingdao Ruipute

The impact of plate heat exchanger performance of many factors, in order to allow everyone to clearly understand and understand, Qingdao Ruiputeheat transfer equipment manufacturing Ltd. engineers have compiled a list of factors that influence the design and construction of the plates. These factors are mainly from the design of the plate structure, the flow channel equivalent diameter, the length to width ratio of the plate, the way the fluid flows along the angle hole and the inlet and outlet. The impact of location on the analysis.

Platedesign structure

The main factors influencing the design of the plate are the angle of the ripple, the depth of the ripple or plate spacing, the normal phase pitch or wavelength, the ripple spreading coefficient, the ripple shape and other structures of the plate.

Plate channel equivalent diameter

The equivalent diameter of the flow channel in the plate heat exchanger heat transfer efficiency plays an important role in influencing, when Reynolds number must be, the greater the equivalent diameter, the smaller the heat transfer coefficient and pressure drop.

The length to width ratio of the plate

The ratio of plate length to width has an effect on fluid flow, heat transfer and sealing ability.

Fluid flow pattern and inlet/outlet location along the corner hole

Fluid flow along the corner hole diagonally, the temperature distribution is more uniform, good heat transfer, for asymmetric plate heat exchanger, you need two sets of plates; fluid flow along the corner hole unilateral flow, only one set of plates.

In accordance with the hot and cold fluid flow configuration, the relative flow direction for the counter-current, the average temperature difference, good heat transfer performance, the temperature difference between the import and export ends is relatively small, the relative flow direction for the downstream is the opposite.

According to the location of the fluid inlet and outlet pipe configuration, usually, there are two ways of fluid inlet and outlet, U-type and Z-type. U-type inlet and outlet The Z-type inlet and outlet are located on both sides of the fixed clamping plate and the movable plate for multiple trips. Configuration.

These are several factors that affect the heat transfer performance of plate heat exchanger, when you fully understand these, you will have an overall understanding of its heat transfer performance, in the choice of heat exchanger will save time and effort.