High efficient large fin case tube heat exchanger

Abstract

The invention discloses a high efficiency big fin shell pipe heat exchanger, comprising shell pipe and small copper pipe beam arranged in the shell pipe along the shell pipe axis, where several big fins are arranged at intervals in the shell pipe and separately and in turn equipped with corresponding through holes to each small copper pipe of the small copper pipe beam, and each small copper pipe is separately inserted into the corresponding through holes on these big fins and fixed with them, the big fin is separated into flat and ripple plates, the big fin is equipped with punch seam, hole flanging, or shutter. And it increases heat exchange area, able to effectively raise heat exchange efficiency. The bottom of the shell pipe can be equipped with at least a row of several smooth copper pipes without big fins or outer screw threaded copper pipes so as to increase supercooling of refrigerant.

Description

technical field [0001] The invention relates to a heat exchanger, more specifically, to a high-efficiency large-fin shell-and-tube heat exchanger that can be made into a condenser in refrigeration and air-conditioning applications. Background technique [0002] The traditional shell-and-tube heat exchanger is composed of two different diameter tubes, which are used in refrigeration equipment, especially refrigeration and air-conditioning units, but the structure of the traditional shell-and-tube heat exchanger is: in a There are multiple copper tubes inside the shell tube. Since the heat exchange is performed between the outer surface of the multiple copper tubes and the refrigerant in the shell tube, the area of ​​heat exchange is determined by the area of ​​the outer surface of the multiple copper tubes. However, there are the following defects: the heat exchange area of ​​a certain number of copper tubes in the shell tube is small, the heat exchange time is short, and the...

AI Technical Summary

Problems solved by technology

[0002] The traditional shell-and-tube heat exchanger is composed of two different diameter tubes, which are used in refrigeration equipment, especially refrigeration and air-conditioning units, but the structure of the traditional shell-and-tube heat exchanger is: in a There are multiple copper tubes inside the shell tube. Since the heat exchange is performed between the outer surface of the multiple copper tubes and the refrigerant in the shell tube, the area of ​​heat exchange is determined by the area of ​​the outer surface of the multiple copper tubes. Yes, there are the following defects: the heat exchange area of ​​a certain number of copper tubes in the shell tube is small, the heat exchange time is short, and the heat conduction efficiency is low

If it is necessary to enhance the efficiency of heat exchange, it is necessary to install more copper tubes in the shell tube, resulting in too many copper tubes in the shell tube, resulting in an increase in production costs, which is not conducive to reducing costs

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