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The characteristics of spiral plate heat exchanger and its role in alcohol production
- Sep 10, 2018 -

The spiral plate heat exchanger is made up of two coils to form two uniform spiral channels. The two heat transfer media can carry out full countercurrent flow, which greatly enhances the heat transfer effect, even with two small temperature difference media. The ideal heat transfer effect.


The nozzle of the spiral plate heat exchanger on the casing adopts a tangential structure, and the local resistance is small. Since the curvature of the spiral passage is uniform, the liquid does not have a large steering flow in the device, and the total resistance is small, so that the design flow rate can be improved. It has a high heat transfer capacity.


The structural principle of the spiral plate heat exchanger is basically the same as that of the non-removable heat exchanger, but the two channels can be disassembled and cleaned, and the scope of application is wide. It can be used in combination, but the combination must meet the following requirements, parallel combination, The series combination, device and channel spacing are the same.


In the process of alcohol production, spiral plate heat exchangers are also indispensable equipment. The liquefaction, saccharification and fermentation of raw materials require suitable temperatures, but traditional vacuum and serpentine spray cooling methods require a large amount of water. As the production of alcohol continues to increase, so does the water consumption, which increases the shortage of water resources.


In order to save water and prevent the alcohol production process from being affected, a spiral plate heat exchanger is used as the cooling system, which not only reduces the water consumption, but also has a relatively accurate temperature setting, a small footprint, and a low failure rate, thereby achieving energy saving. Reduce consumption. It also guarantees the purpose of smooth production.