Is the principle of microchannel plate the same as that of heat exchanger plate?

Is the principle of microchannel plate the same as that of heat exchanger plate?

A microchannel, also known as a microchannel heat exchanger, is a heat exchanger with a channel equivalent diameter of 10-1000 nm.The heat exchanger has dozens of fine channels in a flat tube connected to a circular manifold at both ends of the flat tube.The baffle is arranged in the header to separate the heat exchanger channel into several flows.

Plate heat exchanger is a new type of heat exchanger composed of a series of corrugated metal sheets.A thin rectangular channel is formed between various plates through which heat is exchanged.

Both the principle of microchannel plate and heat exchanger plate each plate contains two components:

Sheet metal: an important heat transfer element for pressing corrugated, sealing grooves and corner holes.Corrugated not only can enhance heat transfer, but also can increase the plate and rigidity, so as to improve the pressure capacity of plate heat exchanger, and as a result of the liquid to the turbulent state, so can reduce the formation of sediment or dirt, play a certain role in the "self-cleaning".

Seal gasket: it is installed in the washer groove around the plate. The perimeter between the sealing plates prevents the fluid from leaking out. According to the design requirements, seal part of the corner hole to make the cold and hot liquid flow according to their respective flow channels.

Heat exchanger plate sealing principle

The corrugated sheet is affixed with a gasket, which is designed as a double-channel sealing structure and has signal holes.When the medium, as in the previous sealing leakage, can be released from the signal hole, the problem can be identified early to solve, without causing the mixing of the two media.Gasket according to different media and operating temperature choose different rubber.When sealing leakage, it can be released from the signal hole, so that the problem can be detected early and solved without causing the mixing of the two media.

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