Energy saving heat exchanger

Abstract

The invention relates to the technical field of heat exchange, in particular to an energy saving heat exchanger comprising a shell 1. One end of the shell 1 is provided with a terminal box 2, a first tube plate 3 and a second tube plate 4 which are perpendicular to the axis of the shell are arranged in the shell 1, a heat exchanging tube 5 is arranged between the first tube plate 3 and the second tube plate 4 and penetrates the same, an electrical heating tube 6 connected with the terminal box 2 is arranged in the heat exchanging tube 5, a shell inlet 7 and a shell outlet 8 are formed in the shell between the first tube plate 3 and the second tube plate 4, a tube inlet 9 is formed in the shell between the second tube plate 4 and the terminal box 8, and a tube outlet 10 is formed in the shell between the first tube plate 3 and the bottom of the shell. The energy saving heat exchanger is applied in the field of heat exchangers, and has the advantages that additional hot fluid medium is omitted, control is facilitated, energy can be saved, and service life is long.

Description

technical field [0001] The invention relates to the technical field of heat exchange, in particular to an energy-saving heat exchanger. Background technique [0002] Both the traditional shell-and-tube heat exchanger and the circulating electric heat exchanger have their advantages and disadvantages. Although the shell-and-tube heat exchanger is not easy to overheat and damage, it needs thermal fluid in both the tube side and the shell side. Medium, so the processing requirements are higher, which increases the cost of the product; the characteristic of the circulating electric heat exchanger is that no additional thermal fluid medium is required in the tube body, and the control is convenient and simple, but the surface of the electric heating element is easy to overheat, etc., and the service life is short . In addition, when these two products are used for heating, the temperature of the shell is relatively high, and the external heat loss is relatively large. Contents...

AI Technical Summary

Problems solved by technology

[0002] Both the traditional shell-and-tube heat exchanger and the circulating electric heat exchanger have their advantages and disadvantages. Although the shell-and-tube heat exchanger is not easy to overheat and damage, it needs thermal fluid in both the tube side and the shell side. Medium, so the processing requirements are higher, which increases the cost of the product; the characteristic of the circulating electric heat exchanger is that no additional thermal fluid medium is required in the tube body, and the control is convenient and simple, but the surface of the electric heating element is easy to overheat, etc., and the service life is short

In addition, when using these two products to heat, the temperature of the shell is relatively high, and the external heat loss is relatively large.

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