PLATE TYPE HEAT EXCHANGERS
Plate heat exchangers are designed to facilitate efficient heat transfer between two fluids by incorporating metal plates. They offer several advantages over conventional heat exchangers, such as a larger surface area for fluid contact due to the spread of fluids over the plates. This design enables swift heat transfer and rapid temperature changes.
Plate heat exchangers are typically constructed using many corrugated stainless-steel sheets. These sheets are separated by polymer gaskets and secured into steel frames. The heat exchange process occurs through the use of adjacent, corrugated metal sheets connected by gaskets. The substance to be cooled or heated flows between alternating sheets, allowing heat to pass through the metal sheet.
Type of Plate Type Heat Exchanger:
- Plate heat exchanger: This type of heat exchanger uses metal plates in order to transfer the heat between the two fluids.
- Welded plate heat exchanger: In these types of heat exchanger, the plates are welded in order to enhance the pressure, as well as temperature limits.
- Pasteurizer: It is used for the heat treatment of milk. It is used in food and beverage industry.
APPLICATION
- This heat exchangers are also utilized in hot-water sections of combination boilers.
- They are widely used in domestic heating appliances.
- These types of heat exchanger are used in pharmaceutical industry.
- They are also used in food and beverage industry, as well as sugar industries.
ADVANTAGES
- The plate heat exchanger offers a high value of heat transfer coefficient.
- The plates can be added or removed to enhance or bring down the heat transfer capacity.
PLATE HEAT EXCHANGER FRAME
The frame is composed of the carrying bar, as well as the guide bar. They act as a carrier and a guide to the plates along with the movable cover. When the cover is pulled together along with the tightening bolts, it develops into a pressure retaining structure for plates. Thick steel parts that are great at retaining pressure, a fixed cover and movable cover forms the complete frame of the heat exchanger.
PLATE FOR HEAT EXCHANGER
The construction of heat exchanger makes it very easy to open for inspection, as well as cleaning. The plates form the heat transfer surface. They are clamped in between two steel plates with the help of tightening bolts.
GASKET FOR PLATE HEAT EXCHANGER
The field gasket lets the opposing fluid through the heat transfer surface. The fluid stops at the circular portion barring it from flowing across the heat transfer plate.
FLOW ARRANGEMENT
The complete arrangement of the plates and the gasket is known as “plate pack”. The plates and gaskets are arranged in a specially designed alternating pattern of right-hand and left-hand flow to let the fluids in an opposing direction in the heat exchanger.
