Winding tube type heat exchanger with circular tube flow guider and inner lining barrel device

Abstract

The invention discloses a winding tube type heat exchanger with a circular tube flow guider and an inner lining barrel device. The winding tube type heat exchanger comprises a tube box (4), a tube plate (5) and a shell pass barrel body (7), and the winding tube type heat exchanger is characterized in that the annular tube flow guider (1) is mounted on the outer side of the shell pass barrel body(7) corresponding to a straight tube transitional area (13); on one hand, the annular tube flow guider (1) communicates with a reaction medium, and on the other hand, the annular tube flow guider (1)uniformly conveys the medium into the straight tube transitional area (13) through multiple channels; simultaneously / or, the inner lining barrel (10) is mounted in a barrel body, corresponding to a winding tube heat exchange area (11), of the inner part of the shell pass barrel body (7); the upper end of the inner lining barrel (10) is hermetically connected with an inner wall of the shell pass barrel body (7); and a channel into which the medium enters is reserved between the lower end of the inner lining barrel (10) and the inner wall of the shell pass barrel body (7). According to the winding tube type heat exchanger disclosed by the invention, a flowing dead area of an entrance part of a shell pass medium is reduced, a flowing area of the shell pass medium is widened, a flowing gap isreduced, flowing short-circuit of the shell pass medium is effectively improved, an effective utilization ratio of the heat exchange area of the winding tube type heat exchanger is increased, and theoverall heat exchange efficiency of the heat exchanger is also obviously improved.

Description

technical field [0001] The present invention relates to a heat pipe heat exchanger, in particular to a coiled tube heat exchanger, in particular to a coiled tube heat exchanger with a ring tube deflector and an inner lining tube device with few flow dead zones. heater. Background technique [0002] The shell side medium inlet of the wound tube heat exchanger is generally located on the transition section between the tube sheet and the heat exchange tube winding area. After the shell side medium flows in, it will be hindered by the core tube. When the shell side medium is fed by a single channel , the flow is not uniform in the transition cavity area near the inlet of the shell medium and the transition area of ​​the straight pipe, and there is a large flow dead zone (such as figure 1 As shown), part of the heat exchange tubes in the transition zone of the straight tubes did not participate in the heat exchange, which affected the heat exchange effect. [0003] When the coi...

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the flow dead zone of the existing coiled tube heat exchanger is large and the flow short circuit area is generated in the coil area, which affects the improvement of heat exchange efficiency. Wound tube heat exchanger with tube deflector and inner liner device

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