Plate Type Heat Exchanger (PHE) Functional Description
A plate heat exchanger is a type of heat exchanger that uses metal plates to transfer heat between two fluids. This has the major advantage over traditional heat exchangers that the fluid is exposed to a much larger surface area as it spreads across the plates. This facilitates heat transfer and greatly increases the rate of temperature change. SS plate heat exchanger are made of 100% stainless steel and provide efficient heat transfer with a small footprint.
They are maintenance free and provide a long service lifetime. Suitable for applications with high demands on cleanliness, applications where aggressive media such as ammonia are used or where copper or nickel impurities are unacceptable. Can handle very high temperatures or extremely high pressure.
Juice velocity between plates is typically 0.6 to 0.8 m/sec. However high turbulence is achieved which promotes heat transfer but also increases pressure drops.
Our experience and knowledge of processes in beverage industries help us to manufacture high efficiency and maintenance friendly plate heat exchangers.
In these applications the PHE should be completely stainless steel or covered with stainless steel to ensure hygiene. The frames of our sanitary plate heat exchangers are either solid stainless steel or clad with SS 304 or SS316L sheet. Frames can be designed with intermediate frames that divide the plate heat exchanger into different sections that can be preheated, pasteurized and cooled.
The frames are designed for easy cleaning and maintenance. As usual, these frames offer facility of addition or reduction of plates.
Plates are designed for gentle handling of the food products like juice, soft drink, beer, wine etc. for superior output quality. Gaskets are always clip-on type.
Our sanitary plate heat exchangers are also available as multi-stage PHEs, combining multiple PHEs into one, saving costs and valuable space.
Plate heat exchangers are important to the food and beverage industry. Used to heat or cool various products before processing, concentration, drying, bottling, etc.. Not only do they provide heating and cooling, but they play an important part in eliminating the microbial, keeping the food products safe to consume and increasing their shelf life.
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