CN216385206U - Shell and tube heat exchanger - Google Patents
Shell and tube heat exchanger Download PDFInfo
- Publication number
- CN216385206U CN216385206U CN202122835948.7U CN202122835948U CN216385206U CN 216385206 U CN216385206 U CN 216385206U CN 202122835948 U CN202122835948 U CN 202122835948U CN 216385206 U CN216385206 U CN 216385206U
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- tube
- shell
- heat exchange
- side fluid
- heat exchanger
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Abstract
The utility model discloses a shell-and-tube heat exchanger, which comprises a shell, wherein a first tube box is arranged at the left end of the shell, a second tube box is arranged at the right end of the shell, a shell-side fluid inlet is arranged at the top of the shell, a shell-side fluid outlet is arranged at the bottom of the shell, tube plates are respectively arranged at the left side and the right side of the shell, a plurality of tube holes are respectively arranged on the two tube plates, heat exchange tubes are respectively arranged between the corresponding tube holes on the two tube plates, the tube-side fluid inlet is arranged at the top end of the first tube box, the tube-side fluid outlet is arranged at the bottom end of the tube box, a partition plate is arranged in the first tube box and is used for separating by the partition plate, so that liquid passes through the two heat exchange tubes, the heat exchange efficiency is improved, the heat exchange tubes are not connected, one heat exchange tube cannot work together with the other heat exchange tube, the damage rate is reduced, the corrosion of the heat exchange tubes can be reduced by arranging a filtering device, the short circuit of the shell-side fluid is prevented by arranging the partition plate, the heat transfer effect is improved.
Description
Technical Field
The utility model belongs to the technical field of heat exchangers, and particularly relates to a shell-and-tube heat exchanger.
Background
The shell-and-tube heat exchanger is a heat exchanger composed of a shell and a tube bundle enclosed in the shell, and the heat exchange is carried out between cold fluid and hot fluid through the tube wall. Traditional heat exchanger can only carry out once heating, and heating efficiency is low, and bad U-shaped pipe is equivalent to bad two heat exchange tubes, and the disability rate is higher, and cost of maintenance is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shell-and-tube heat exchanger to solve the problems of low heating efficiency and high rejection rate in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a shell and tube heat exchanger, includes the casing, the casing left end is provided with first pipe case, the casing right-hand member is provided with second pipe case, the top of casing is equipped with shell side fluid import, the bottom of casing is equipped with shell side fluid export, the tube sheet has all been installed, two to the casing left and right sides all be equipped with a plurality of tube hole on the tube sheet, two the heat exchange tube has all been installed between a plurality of corresponding tube holes on the tube sheet, first pipe case top is equipped with tube side fluid import, the pipe case bottom is equipped with tube side fluid export, the built-in baffle that is equipped with of first pipe case.
Preferably, the top end and the bottom end of the shell are both provided with expansion bodies.
Preferably, a filtering device is arranged in the tube side fluid inlet.
Preferably, four baffles are arranged in the shell, through holes are formed in the baffles, and the heat exchange tube is inserted in the through holes.
Preferably, the bottom end of the shell is provided with a support.
Compared with the prior art, the utility model has the beneficial effects that: the partition plate is arranged for separation, so that liquid passes through the heat exchange tubes twice, the heat exchange efficiency is improved, the heat exchange tubes are not connected, one damaged heat exchange tube cannot work together with the other heat exchange tube, the damage rate is reduced, the corrosion of the heat exchange tubes can be reduced by arranging the filtering device, the shell pass fluid short circuit is prevented by arranging the baffle plate, and the heat transfer effect is improved.
Drawings
FIG. 1 is an overall cross-sectional view of the present invention;
FIG. 2 is a schematic view of the baffle of FIG. 1 according to the present invention.
In the figure: 1. the shell, 2, a first tube box, 3, a second tube box, 4, a shell side fluid inlet, 5, a shell side fluid outlet, 6, a tube plate, 7, a heat exchange tube, 8, a tube side fluid inlet, 9, a tube side fluid outlet, 10, a partition plate, 11, an expansion joint, 12, a filtering device, 13, a baffle, 14, a support and 15 through holes.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a shell-and-tube heat exchanger, including a housing 1, a first tube box 2 is flanged to a left end of the housing 1, a second tube box 3 is flanged to a right end of the housing 1, a shell-side fluid inlet 4 is disposed at a top of the housing 1, a shell-side fluid outlet 5 is disposed at a bottom of the housing 1, tube plates 6 are mounted on left and right sides of the housing 1 through bolts, a plurality of tube holes 15 are disposed on each of the two tube plates 6, a heat exchange tube 7 is inserted between the corresponding tube holes 15 on the two tube plates 6, a tube-side fluid inlet 8 is disposed at a top end of the first tube box 2, a tube-side fluid outlet 9 is disposed at a bottom end of the tube box 2, and a partition plate 10 is welded in the tube box 2.
Referring to fig. 1 and 2, the top end and the bottom end of the shell 1 are both provided with expansion joints 11 to prevent stress damage to the shell 1 caused by different expansion due to different heating, a filtering device 12 is installed in the tube side fluid inlet 7 through bolts, the filtering device 12 is an activated carbon filter, the activated carbon filtering device 12 can effectively filter impurities in liquid, and can effectively prevent the impurities in the liquid from corroding the heat exchange tube 6, four baffles 13 are welded in the shell 1 to prevent the shell side fluid from being short-circuited to enhance heat transfer, through holes 15 are formed in the baffles 13, the heat exchange tube 7 is inserted in the through holes 15, and a support 14 is welded at the bottom end of the shell 1.
The working principle of the embodiment is as follows: high-temperature water vapor is injected from a shell pass fluid inlet 4, low-temperature liquid is injected from a tube pass fluid inlet 8, the low-temperature liquid filters impurities through an activated carbon filtering device 12, the liquid enters an upper half heat exchange tube 7 through an upper half part of a first tube box 2, the low-temperature liquid performs first heat exchange with the high-temperature water vapor through the heat exchange tube, the low-temperature liquid enters a second tube box 3 after heat exchange, the low-temperature liquid enters a lower half heat exchange tube 7 from the second tube box 3 again to perform second heat exchange, the heat exchange efficiency is improved through twice heat exchange, the low-temperature liquid is reserved through a tube pass fluid outlet 9 after heat exchange work is completed, and the high-temperature water vapor is discharged through a shell pass fluid outlet 5.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (5)
1. A shell and tube heat exchanger, characterized in that: including casing (1), casing (1) left end is provided with first pipe case (2), casing (1) right-hand member is provided with second pipe case (3), the top of casing (1) is equipped with shell side fluid import (4), the bottom of casing (1) is equipped with shell side fluid export (5), tube sheet (6), two have all been installed to the casing (1) left and right sides all be equipped with a plurality of tube hole on tube sheet (6), two heat exchange tube (7) have all been installed between a plurality of corresponding tube holes on tube sheet (6), first pipe case (2) top is equipped with tube side fluid import (8), first pipe case (2) bottom is equipped with tube side fluid export (9), the built-in baffle (10) that is equipped with of first pipe case (2).
2. A shell and tube heat exchanger according to claim 1, wherein: the top end and the bottom end of the shell (1) are both provided with expansion bodies (11).
3. A shell and tube heat exchanger according to claim 1, wherein: and a filtering device (12) is arranged in the tube side fluid inlet (8).
4. A shell and tube heat exchanger according to claim 1, wherein: four baffles (13) are arranged in the shell (1), through holes (15) are formed in the baffles (13), and the heat exchange tubes (7) are inserted in the through holes (15).
5. A shell and tube heat exchanger according to claim 1, wherein: the bottom end of the shell (1) is provided with a support (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122835948.7U CN216385206U (en) | 2021-11-18 | 2021-11-18 | Shell and tube heat exchanger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122835948.7U CN216385206U (en) | 2021-11-18 | 2021-11-18 | Shell and tube heat exchanger |
Publications (1)
Publication Number | Publication Date |
---|---|
CN216385206U true CN216385206U (en) | 2022-04-26 |
Family
ID=81253127
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122835948.7U Active CN216385206U (en) | 2021-11-18 | 2021-11-18 | Shell and tube heat exchanger |
Country Status (1)
Country | Link |
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CN (1) | CN216385206U (en) |
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2021
- 2021-11-18 CN CN202122835948.7U patent/CN216385206U/en active Active
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