High-performance plate heat exchanger capable of performing switching and back flushing

Abstract

The invention provides a high-performance plate heat exchanger capable of performing switching and back flushing. The high-performance plate heat exchanger comprises a plate heat exchanger main body,tee joints, upper end valves, lower end valves and a back flushing valve. The plate heat exchanger main body is the same with a general plate heat exchanger in structure, and comprises multiple rectangular thin metal heat exchange plates, a movable clamping plate, a fixed clamping plate, a sealing rubber pad, an upper guide rod, a lower guide rod and a clamping bolt; the multiple heat exchange plates are arranged in parallel, and are fixedly connected through the upper guide rod and the lower guide rod; one ends of the upper guide rod and the lower guide rod are connected with the fixed clamping plate, and the other ends are connected with the movable clamping plate; and the fixed clamping plate and the movable clamping plate are fixedly connected through multiple tightening bolts. The high-performance plate heat exchanger has the advantages of effective reduction of the replacement frequency of the sealing rubber pad, reduction of the maintenance workload, saving of the spare part replacement and labor cost, guarantee of the heat exchange efficiency, reduction of the vapor condensed water quantity and relief of the environmental protection pressure.

Description

technical field [0001] The invention relates to a heat exchanger, in particular to a switchable and backwashing high-performance plate heat exchanger. Background technique [0002] The production process of liquid crystal materials needs to maintain a certain ambient temperature, especially in winter and spring low temperature seasons, it is necessary to use a heat exchanger system to maintain the overall temperature of the production workshop. The overall piping system structure of the plate heat exchanger is as follows: figure 1 Shown: During the production process, the steam from the steam station is transported to the plate heat exchanger, and at the same time, the return water of the fresh air conditioner is transported to the plate heat exchanger through the water pump, and the steam heats the return water, and the heated hot water is transported to the For fresh air conditioners, the steam condensed water generated during the heat exchange process is returned to the ...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned defects of the plate heat exchanger in the existing liquid crystal material production system, and propose a high-performance plate heat exchanger that can be switched and backwashed. Carry out backwashing (or chemical washing) and change the material of the sealing rubber pad to solve the problems of easy aging of the sealing rubber pad, leaking of steam due to poor sealing, and easy fouling of the cold water chamber, improve heat exchange efficiency, and reduce maintenance labor costs and spare parts replacement costs

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