CN201909566U - Multi-channel shell-and-tube heat exchanger - Google Patents
Multi-channel shell-and-tube heat exchanger Download PDFInfo
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- CN201909566U CN201909566U CN2010206296815U CN201020629681U CN201909566U CN 201909566 U CN201909566 U CN 201909566U CN 2010206296815 U CN2010206296815 U CN 2010206296815U CN 201020629681 U CN201020629681 U CN 201020629681U CN 201909566 U CN201909566 U CN 201909566U
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Abstract
The utility model discloses a multi-channel shell-and-tube heat exchanger, and solves the problems that the heat exchange dead area of the present shell-and-tube heat exchanger is large and results in the low heat exchange efficiency. The heat exchanger includes a casing (1) and end enclosures (2), a slender heat exchange tube (3) is arranged in the casing (1), two ends of the heat exchange tube (3) are fixed on tube plates (4), a partition plate is arranged between the two tube plates (4), shell pass inlet and outlet connecting pipes are arranged on the outer wall of the casing (1), tube pass inlet and outlet connecting pipes are arranged on the two end enclosures (2), and more importantly, a bypass channel for a shell pass fluid is further arranged on the casing (1). In addition, the heat exchanger of the application is further provided with a tube pass outlet temperature control system. Therefore, the multi-channel shell-and-tube heat exchanger has the characteristics of high heat exchange efficiency and controllable temperature at a tube pass fluid outlet.
Description
Technical field
The utility model relates to a kind of heat-exchange apparatus, and concrete is shell-and-tube heat exchanger.
Background technology
Existing shell-and-tube heat exchanger is imported and exported parts such as adapter, shell side import and export adapter usually and is formed by housing, end socket, heat exchanger tube, tube sheet, dividing plate, tube side, in heat exchanging process, because the shell side space is a narrow structure, so certainly will have the heat exchange dead band in the shell side space, and then influence the heat exchange efficiency of heat exchanger.
In addition, under unusual service condition, during the tube side fluid temperature departure normal value of conventional shell-and-tube heat exchanger, traditional treating method is by regulating the flow of shell side inlet fluid, make tube side inner fluid temperature return to normal value, but the adjusting difficulty of this way is big, and the tube side outlet temperature is in uncontrollable state substantially.
Summary of the invention
The purpose of this utility model provides a kind of novel pipe shell type heat exchanger, does not have the heat exchange dead band in the shell side of this heat exchanger, can effectively improve heat exchange efficiency.
The novel pipe shell type heat exchanger that another purpose of the present utility model provides also has the controlled function of tube side outlet temperature.
The technical scheme that the utility model adopted is: a kind of multi-channel tube shell heat exchanger, comprise housing and be separately positioned on the end socket at housing two ends, be provided with elongated heat exchanger tube in the described housing, space between all heat exchanger tubes forms the passage of shell-side fluid, the two ends of heat exchanger tube are fixed on the tube sheet, be provided with dividing plate between two tube sheets, dividing plate adopts the mode of alternatively up and down to be provided with, on the outer wall of housing, be provided with the mouth of pipe towards opposite shell side entrance sleeve and shell side discharge connection, be respectively equipped with the mouth of pipe towards opposite tube side entrance sleeve and tube side discharge connection on two end sockets, emphasis is the bypass channel that also is provided with shell-side fluid on housing.
Described bypass channel is one or two, concrete set-up mode be on the housing, with shell side entrance sleeve direction in the same way on be provided with one or two A shell side bypass channel entrance sleeve, be provided with one or do not establish B shell side bypass channel entrance sleeve with shell side discharge connection direction in the same way.
In order to realize the temperature control of tube side outlet, in the tube side outlet, temperature sensor is set, the output of temperature sensor is linked on the PLC controller, on the shell side entrance sleeve of main channel, the m1 magnetic valve is set, on the A of bypass channel shell side entrance sleeve, the m2 magnetic valve is set, on the B of bypass channel shell side entrance sleeve the m3 magnetic valve is set, all magnetic valves are connected with the output of PLC controller.
The beneficial effects of the utility model: multi-channel tube shell heat exchanger of the present utility model, be provided with bypass channel, changed the liquid form of original shell-side fluid, reduced the heat exchange dead band area in the shell side space, improved heat exchange efficiency; The application's heat exchanger also is provided with temperature control system simultaneously, realized the effective control to the tube side outlet temperature, and temperature regulating range is big.
Description of drawings
Fig. 1 is the structural representation of the utility model E type shell-and-tube heat exchanger.
Fig. 2 A is the structure chart of existing F type multi-channel tube shell heat exchanger, and Fig. 2 B is the structure chart of the application's F type multi-channel tube shell heat exchanger.
Fig. 3 A is the structure chart of existing G type multi-channel tube shell heat exchanger, and Fig. 3 B is the structure chart of the application's G type multi-channel tube shell heat exchanger.
Fig. 4 A is the structure chart of existing H type multi-channel tube shell heat exchanger, and Fig. 4 B is the structure chart of the application's H type multi-channel tube shell heat exchanger.
Fig. 5 A is the structure chart of existing J type multi-channel tube shell heat exchanger, and Fig. 5 B is the structure chart of the application's J type multi-channel tube shell heat exchanger.
Fig. 6 A is the structure chart of existing X type multi-channel tube shell heat exchanger, and Fig. 6 B is the structure chart of the application's X type multi-channel tube shell heat exchanger.
Fig. 7 is tube side outlet temperature control system schematic diagram.
Wherein, the 1-housing, the 2-end socket, the 3-heat exchanger tube, the 4-tube sheet, the 5-dividing plate, 6-tube side entrance sleeve, 7-tube side discharge connection, 8-shell side entrance sleeve, 9-shell side discharge connection, 10-A shell side bypass channel entrance sleeve, 11-B shell side bypass channel entrance sleeve, 20-temperature sensor, the 21-PLC controller, the 22-m1 magnetic valve, 23-m2 magnetic valve, 24-m3 magnetic valve, 16,26,36,46,56-tube side entrance sleeve A, B, C, D, E, 17,27,37,47,57-tube side discharge connection A, B, C, D, E, 18,28,38,48,58-shell side entrance sleeve A, B, C, D, E, 19,29,39,49,59-shell side discharge connection A, B, C, D, E, 30,40,50,60,70-A1, A 2, A3, A4, A5 shell side bypass channel entrance sleeve, 31,41,61,71-B1, B2, B3, B4 shell side bypass channel entrance sleeve.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, shell-and-tube heat exchanger of the present utility model, comprise housing 1 and be separately positioned on the end socket 2 at housing two ends, be provided with some elongated heat exchanger tubes 3 in the described housing 1, the space that all heat exchanger tubes are 3 is the passage of shell-side fluid, the two ends of heat exchanger tube 3 are fixed on the tube sheet 4, be provided with some dividing plates 5 between two tube sheets 4, the mode that dividing plate 5 adopts alternatively up and down to be provided with, on the outer wall of housing 1, be provided with the mouth of pipe towards opposite shell side entrance sleeve 8 and shell side discharge connection 9, on two end sockets 2, be respectively equipped with the mouth of pipe towards opposite tube side entrance sleeve 6 and tube side discharge connection 7, the said structure of the application's shell-and-tube heat exchanger and the structure of conventional shell-and-tube heat exchanger do not have any difference, the effect of each parts is also identical, shell side entrance sleeve 8 wherein and shell side discharge connection 9 constitute the main channel of shell-side fluid, inventive point of the present utility model is the bypass channel that also is provided with shell-side fluid on housing 1, the principle that bypass channel is set is near the heat exchange dead band, on housing, offer the shell-side fluid entrance sleeve, so just the fluid in this dead band can be driven together and flow, thereby improve heat exchange efficiency.This bypass channel can be one, also can be two or many; The set-up mode of bypass channel then according to difference heat exchanger types and heat transfer boundary condition, is selected suitable set-up mode; Wherein for E type shell-and-tube heat exchanger, on the housing 1, with shell side entrance sleeve 8 direction in the same way on be provided with A shell side bypass channel entrance sleeve 10, be provided with B shell side bypass channel entrance sleeve 11 with shell side discharge connection 9 direction in the same way; A shell side bypass channel entrance sleeve 10 also can only be set certainly, and B shell side bypass channel entrance sleeve 11 is not set; Shown in Fig. 2 A, Fig. 3 A, Fig. 4 A, Fig. 5 A and Fig. 6 A, shell-and-tube heat exchanger for existing F type, G type, H type, J type, X type, design according to the application, the set-up mode of bypass channel shown in Fig. 2 B, Fig. 3 B, Fig. 4 B, Fig. 5 B and Fig. 6 B, also can be adjusted according to actual conditions respectively certainly.
Controlled in order to realize the tube side fluid outlet temperature, as shown in Figure 7, the application's shell-and-tube heat exchanger design has temperature control system, concrete is in the tube side outlet temperature sensor 20 to be set, the output of temperature sensor 20 is linked on the PLC controller 21, on the shell side entrance sleeve 8 of main channel, m1 magnetic valve 22 is set, on A shell side bypass channel entrance sleeve 10, m2 magnetic valve 23 is set, on B shell side bypass channel entrance sleeve 11, m3 magnetic valve 24 is set, all magnetic valves are connected with the output of PLC controller 21, and promptly all magnetic valves are subjected to the control of PLC controller 21.
During work, tube side fluid flows into from tube side entrance sleeve 6, carries out heat exchange by wall and shell-side fluid, flows out from tube side discharge connection 7.As required, set tube side outlet temperature value by the PLC controller, the inlet flow rate of assembly shell side import main channel and bypass channel, the flow regime of change shell side, and then the heat transfer coefficient between change tube side and the shell side, thereby realization is to the automatic control and the adjusting of tube side outlet temperature.
Claims (3)
1. multi-channel tube shell heat exchanger, comprise housing (1) and be separately positioned on the end socket (2) at housing two ends, be provided with elongated heat exchanger tube (3) in the described housing (1), space between all heat exchanger tubes (3) forms the passage of shell-side fluid, the two ends of heat exchanger tube (3) are fixed on the tube sheet (4), be provided with dividing plate (5) between two tube sheets (4), dividing plate (5) adopts the mode of alternatively up and down to be provided with, on the outer wall of housing (1), be provided with the mouth of pipe towards opposite shell side entrance sleeve (8) and shell side discharge connection (9), on two end sockets (2), be respectively equipped with the mouth of pipe towards opposite tube side entrance sleeve (6) and tube side discharge connection (7), it is characterized in that: the bypass channel that on housing (1), also is provided with shell-side fluid.
2. multi-channel tube shell heat exchanger according to claim 1 is characterized in that: described bypass channel is one or two.
3. multi-channel tube shell heat exchanger according to claim 1, it is characterized in that: in the tube side outlet, temperature sensor (20) is set, the output of temperature sensor (20) is linked on the PLC controller (21), on the shell side entrance sleeve (8) of main channel, m1 magnetic valve (22) is set, m2 magnetic valve (23) is set on the A of bypass channel shell side entrance sleeve (10), m3 magnetic valve (24) is set on the B of bypass channel shell side entrance sleeve (11), and all magnetic valves are connected with the output of PLC controller (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206296815U CN201909566U (en) | 2010-11-29 | 2010-11-29 | Multi-channel shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206296815U CN201909566U (en) | 2010-11-29 | 2010-11-29 | Multi-channel shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909566U true CN201909566U (en) | 2011-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206296815U Expired - Fee Related CN201909566U (en) | 2010-11-29 | 2010-11-29 | Multi-channel shell-and-tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201909566U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592094A (en) * | 2013-11-25 | 2014-02-19 | 东北石油大学 | Experimental device for flow-induced vibration of tube bundle |
| CN105066739A (en) * | 2015-08-27 | 2015-11-18 | 山东省化工研究院 | Multi-medium heat exchanger and heat exchange method for polypropylene chemical process |
| CN111023870A (en) * | 2019-12-27 | 2020-04-17 | 河南恒天久大实业有限公司 | Non-blind area shell-and-tube heat exchange device |
-
2010
- 2010-11-29 CN CN2010206296815U patent/CN201909566U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592094A (en) * | 2013-11-25 | 2014-02-19 | 东北石油大学 | Experimental device for flow-induced vibration of tube bundle |
| CN105066739A (en) * | 2015-08-27 | 2015-11-18 | 山东省化工研究院 | Multi-medium heat exchanger and heat exchange method for polypropylene chemical process |
| CN111023870A (en) * | 2019-12-27 | 2020-04-17 | 河南恒天久大实业有限公司 | Non-blind area shell-and-tube heat exchange device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20111129 |