Where are plate heat exchangers unsuitable?
Source: http://le-signal.com/ Time: 2019-05-17
Working temperature below 250 ℃
The operating temperature of the plate heat exchanger depends on the temperature that the gasket can accept. When using rubber elastic gaskets, the maximum working temperature is below 200 ℃; when using compact asbestos wool gaskets, the working temperature is 250 ~ 260 ℃.
Working pressure below 2.5MPa
The Jiangsu plate heat exchanger is sealed by a gasket, the sealing periphery is very long, and the support conditions of the two seals of the corner hole are poor. The gasket cannot obtain a sufficient pressing force. Therefore, the Jiangsu plate heat exchanger The maximum working pressure is only 2.5MPa; when the veneer area is more than 1m2, its working pressure is often lower than 2.5MPa.
Unsuitable for heat transfer of mediums that easily block channels
The plate-to-plate channel of Jiangsu plate heat exchanger is very narrow, usually 3 ~ 5mm. When the heat exchange medium contains large solid particles or fibrous substances, it is easy to block the channel between the plates. For this kind of heat exchange occasion, we should think about filtering equipment in imported equipment, or choose regenerative cooling system.
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