Plate Heat Exchanger - Marine Heat Exchanger - Hi-sea

Plate Heat Exchanger

Plate Heat Exchanger

1. Introduction of plate heat exchanger

The plate heat exchanger is composed of a set of corrugated metal plates with four corner holes for the two liquids to pass through. The metal plates are installed in a frame with a fixed plate and a movable compression plate on the side, and are clamped by clamping bolts. The plate is equipped with a sealing gasket to seal the fluid channel and guide the fluid to alternately flow into the respective flow channel to form heat exchange.

It has the characteristics of high heat exchange efficiency, low heat loss, compact and lightweight structure, small footprint, wide application, long service life and so on. Under the same pressure loss, its heat transfer coefficient is 3-5 times higher than that of a tube heat exchanger, covering an area of one-third of that of a tube heat exchanger, and the heat recovery rate can be as high as 90% or more. There are two main types of plate heat exchangers: frame type (removable) and brazed type.

Plate Heat Exchanger


0.1 m³ Detachable Plate Heat Exchanger


0.4 m³ Plate Heat Exchanger


0.8 m³ Plate Type Water Heater


1 m³ Plate Heat Exchanger


2.8 m³ Brazed Plate Heat Exchanger


4 m³ Brazed Plate Heat Exchanger


8.8 m³ Brazed Plate Heat Exchanger


11 m³ Brazed Plate Heat Exchanger

2. Plate Heat Exchanger Features

1. The plate heat exchanger is made of polymer synthetic fiber using a special process, which has the characteristics of high moisture permeability, good air tightness, tear resistance, and aging resistance.

2. The energy-saving effect of the plate heat exchanger products has reached the advanced level abroad, with long life and good temperature conductivity, suitable for areas with large indoor and outdoor temperature differences and small humidity differences.

3. The plate heat exchanger can be equipped with different functional sections such as heating, cooling, humidification, purification, and noise reduction according to user requirements.

4. Plate heat exchangers usually use stainless steel (ss 304, ss316), titanium alloys to be brazed at high temperature in vacuum to form a brazed type, or use seal ring bolts to lock into a combined type.

5. The plate heat exchanger forms a compact plate heat exchanger, which can withstand operation under continuous high temperature and high pressure conditions.

3. Basic Structure of Plate Heat Exchanger


1. Fixed pressure plate
2. Port
3. Gasket
4. Plate
5. Movable pressure plate
6. Lower guide rod
7. upper guide rod
8. compression screw
9. Front support rod
3. Points to note when choosing a plate heat exchanger

The plate type or corrugated type should be determined according to the actual needs of the heat exchange occasion. If the flow rate is large and the pressure drop is small, the plate type with low resistance should be selected, otherwise, the plate type with large resistance should be used.

According to the fluid pressure and temperature, determine whether to choose a detachable or a brazed type. When determining the plate type, it is not advisable to choose a plate with a single plate area that is too small, lest there are too many plates, the flow velocity between the plates is too small, and the heat transfer coefficient is too low. This problem should be paid more attention to for larger heat exchangers.


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