What effect will the material of the plate heat exchanger rubber pad have on the heat exchange effect_
What are the effects of the plate heat exchanger rubber pad material on the heat exchange effect
820 different materials of plate heat exchanger rubber pads will have varying degrees of impact on the life, performance, applicable working conditions, operating conditions, etc. of the plate heat exchanger, and more importantly, it will affect the heat exchange of the plate heat exchanger effect. Let's take several common plate heat exchanger rubber pad materials to talk about the influence on the heat exchange effect of the plate heat exchanger. The plate heat exchanger is mainly composed of two parts, the frame and the plate, and the flow pattern of the plate heat exchanger has countercurrent, downstream and mixed flow patterns. In order to better improve the heat transfer efficiency of the plate heat exchanger, it is a good way to determine the position of the inlet and outlet pipes. The inlet and outlet pipes of the plate heat exchanger arranged in a single process should be arranged as far as possible on the side of the fixed end plate of the plate heat exchanger. The inlet and outlet positions should be arranged in accordance with the hot fluid up and down, and the cold fluid in and up and out to reduce stagnation. The influence of the belt. A thin rectangular channel is formed between the plates, and the heat exchange is mainly performed through half of the plate. It has the characteristics of high heat exchange efficiency, small heat loss, compact and lightweight structure, small footprint, convenient installation and cleaning, wide application, long service life and so on. The method of increasing the logarithmic average temperature difference of the heat exchanger can also improve the heat transfer efficiency of the heat exchanger, and it is necessary to use a countercurrent or a mixed flow pattern close to the countercurrent as much as possible to increase the temperature of the fluid on the hot side as much as possible and reduce the temperature of the fluid on the cold side. temperature. The key to the quality control of plate heat exchanger materials is to ensure the authenticity and traceability of the main parts such as plates, sealing gaskets, compression plates, intermediate partitions, clamping studs, pipe flanges and takeovers, and their welding materials. , So as to ensure the quality, service life, safety and reliability of the product. In addition, the selection and use of materials should be economical and reasonable. The selected material of the plate heat exchanger rubber pad has an important influence on the performance, life, applicable working conditions and plate forming quality of the plate heat exchanger. The quality control of materials mainly includes two aspects: (1) The chemical composition, mechanical properties and other technical requirements of the material should meet the requirements of the corresponding standards; (2) The correct and reasonable selection of the material characteristics and scope of application must be considered. The nature of the heat exchange medium, operating conditions (including chloride content, PH value, operating temperature, operating pressure, gap operation or continuous operation, etc.), as well as the forming and processing performance of the material, corrosion resistance, etc. The commonly used materials for plates are mainly austenitic stainless steel, titanium and titanium alloys, nickel and nickel alloys, and copper. It can be seen that the effect of plate heat exchanger pads of different materials on the heat exchange effect of the plate heat exchanger is also different. Users should choose the appropriate plate heat exchanger pads according to their actual production needs to ensure that the plate heat exchanger The heat exchange effect of the heat exchanger.