CN214120873U - Multi-stage adjustable baffle rod shell-and-tube heat exchange device - Google Patents
Multi-stage adjustable baffle rod shell-and-tube heat exchange device Download PDFInfo
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- CN214120873U CN214120873U CN202022283173.2U CN202022283173U CN214120873U CN 214120873 U CN214120873 U CN 214120873U CN 202022283173 U CN202022283173 U CN 202022283173U CN 214120873 U CN214120873 U CN 214120873U
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Abstract
The utility model relates to a multi-stage adjustable baffle rod shell-and-tube heat exchange device, belonging to the technical field of shell-and-tube heat exchangers, comprising a main body, wherein the main body comprises a multi-stage shell-and-tube heat exchanger, the multi-stage shell-and-tube heat exchanger is connected end to end through a middle transition section, the front end of the main body is provided with a first sealing cover, and the tail end of the main body is provided with a second sealing cover; the shell-and-tube heat exchanger comprises a cylinder body and a heat exchange tube bundle positioned in the cylinder body, wherein a plurality of annular baffle rings are arranged on the periphery of the heat exchange tube bundle, and horizontal baffle rods and/or vertical baffle rods are fixedly arranged in the annular baffle rings; and the cooling regulator comprises a bypass main pipe which is led out from the first sealing cover and used for circulating the second medium, a bypass branch pipe which is communicated with the middle transition section is arranged on the bypass main pipe, and a valve for regulating the flow of the second medium is arranged between the bypass main pipe and the bypass branch pipe. The cooling system can realize cooling of a plurality of users and a plurality of media, and saves space waste and redundant investment for setting heat exchangers, pumps, pipeline accessories and the like for each user independently.
Description
Technical Field
The application relates to the technical field of shell-and-tube heat exchangers, in particular to a multi-stage adjustable shell-and-tube heat exchange device with baffle rods.
Background
The heat exchange device is a device for transferring partial heat of a heat source medium to a cold source medium, and is also called a heat exchanger. The heat exchange device is indispensable equipment for realizing heat exchange and transfer in the chemical production process. Various heat exchange devices are widely used in the fields of thermal power generation, petrochemical industry, ocean platforms, ship power and the like. The heat source medium comprises steam, high-temperature flue gas, high-temperature fresh water, lubricating oil and the like. The cold source is usually made from local materials according to the application environment, and the commonly used cold source media are air, river water, seawater and the like. Taking a marine vessel power system as an example, three typical heat exchange devices include a condenser, a lubricating oil cooler and a fresh water cooler, wherein heat source media of the three heat exchange devices are respectively steam, lubricating oil and fresh water, the temperatures of the heat source media are different, and cold sources of the three heat exchange devices can all adopt seawater.
In the related art, a conventional ship power system is usually provided with a dedicated heat exchanger according to different users and media, such as a condenser for a steam turbine set, a lubricating oil cooler for a lubricating cooling device, and a seawater-fresh water heat exchanger for a power cabinet. In order to ensure the normal operation of each heat exchanger, a seawater pump, a valve and a corresponding pipeline system are also respectively configured. Therefore, the heat exchanger equipment is numerous, the pipeline system is complex, the overall weight of the ship is not reduced, and a large amount of space of the ship is occupied. Since the weight of the heat exchanger equipment directly affects the displacement, speed and handling performance of the ship, improving the space utilization of the heat exchanger is particularly important for the arrangement of the ship cabin.
Disclosure of Invention
The embodiment of the application provides a baffle rod shell-and-tube heat exchange device with adjustable it is multistage to heat exchanger equipment that uses on the boats and ships among the solution correlation technique is numerous, pipeline system is complicated, is unfavorable for alleviateing the whole weight of boats and ships, and occupies the problem in a large amount of spaces of boats and ships.
The embodiment of the application provides a baffle rod shell-and-tube heat exchange device with adjustable it is multistage, include:
the main body comprises a multistage shell-and-tube heat exchanger, the multistage shell-and-tube heat exchanger is connected end to end through a middle transition section, a first sealing cover for introducing a second medium is arranged at the front end of the main body, and a second sealing cover for allowing the second medium to flow out is arranged at the tail end of the main body;
the shell-and-tube heat exchanger comprises a cylinder body and a heat exchange tube bundle positioned in the cylinder body, wherein a plurality of annular baffle rings are arranged at intervals along the length direction of the heat exchange tube bundle at the periphery of the heat exchange tube bundle, and a plurality of horizontal baffle rods and/or vertical baffle rods for fixing the heat exchange tube bundle are fixedly arranged in the annular baffle rings;
the cooling regulator comprises a bypass main pipe which is led out from the first sealing cover and used for circulating a second medium, a bypass branch pipe which is communicated with the middle transition section is arranged on the bypass main pipe, and a valve for regulating the flow of the second medium is arranged between the bypass main pipe and the bypass branch pipe.
In some embodiments: the shell is of a hollow cylinder structure, a first medium inlet for introducing a first medium and a first medium outlet for flowing the first medium are formed in the shell, the first media in the two adjacent stages of shell-and-tube heat exchangers are sealed with each other, and the second media in the two adjacent stages of shell-and-tube heat exchangers are communicated with the middle transition section through heat exchange tube bundles.
In some embodiments: the heat exchange tube bundle comprises two fixed tube plates and a plurality of heat exchange tubes, the two fixed tube plates are arranged, the plurality of heat exchange tubes are arranged, a plurality of positioning holes penetrating into the heat exchange tubes are formed in the fixed tube plates, the two fixed tube plates are located at two ends of the heat exchange tubes, the outer walls of the heat exchange tubes are connected with the fixed tube plates in a sealing mode, and the outer walls of the fixed tube plates are connected with the inner walls of the barrel in a sealing mode.
In some embodiments: the heat exchange tube is a stainless steel tube or a copper tube.
In some embodiments: the heat exchange tube is any one of a smooth tube, a threaded tube or a corrugated tube.
In some embodiments: two adjacent fixed connection distance pull rod between the annular baffling circle, the distance pull rod is equipped with many, many the distance pull rod is arranged along the circumferencial direction equipartition of annular baffling circle.
In some embodiments: the first sealing cover is provided with a second medium inlet for introducing a second medium, and the second sealing cover is provided with a second medium outlet for flowing the second medium.
In some embodiments: the middle transition section is of a circular pipe body structure, flanges are respectively arranged at the two ends of the barrel and the middle transition section, and the middle transition section is connected with the barrel of the adjacent two-stage shell-and-tube heat exchanger through the flanges through bolts.
In some embodiments: the valve is an electric valve.
In some embodiments: the horizontal deflection rod and the vertical deflection rod are respectively fixed in the two adjacent annular deflection rings;
and the four adjacent annular baffle rings are in a group, and the horizontal baffle rods and the vertical baffle rods in the four annular baffle rings are jointly fixed with the heat exchange tube bundle.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a multi-stage adjustable baffling rod shell-and-tube heat exchange device, and the multi-stage adjustable baffling rod shell-and-tube heat exchange device is characterized in that a main body is arranged, the main body comprises a multi-stage shell-and-tube heat exchanger, the multi-stage shell-and-tube heat exchanger is connected end to end through a middle transition section, a first sealing cover for introducing a second medium is arranged at the front end of the main body, and a second sealing cover for allowing the second medium to flow out is arranged at the tail end of the main body; the shell-and-tube heat exchanger comprises a cylinder body and a heat exchange tube bundle positioned in the cylinder body, wherein a plurality of annular baffle rings are arranged at intervals along the length direction of the heat exchange tube bundle at the periphery of the heat exchange tube bundle, and a plurality of horizontal baffle rods and/or vertical baffle rods for fixing the heat exchange tube bundle are fixedly arranged in the annular baffle rings; the cooling regulator comprises a bypass main pipe which is led out from the first sealing cover and used for circulating a second medium, a bypass branch pipe communicated with the middle transition section is arranged on the bypass main pipe, and a valve for regulating the flow of the second medium is arranged between the bypass main pipe and the bypass branch pipe.
Therefore, the baffle rod shell-and-tube heat exchange device of the application enables the multi-stage shell-and-tube heat exchanger to be connected end to end through the middle transition section to form the main body, the main body can realize cooling of a plurality of users and various media, and space waste and redundant investment for setting the heat exchanger, the pump, the pipeline accessories and the like for each user are saved. Meanwhile, the heat exchange tube bundle is provided with a fixed structure consisting of an annular baffle ring, a horizontal baffle rod and a vertical baffle rod, and the heat exchange tube bundle has good positioning and vibration-proof performance. And the fixed structure that annular baffling circle, horizontal baffling pole and vertical baffling pole are constituteed has that shell side flow resistance is low, and the advantage such as the outside of tubes velocity of flow and flow homogeneity improve by a wide margin, and heat exchange efficiency obtains showing the reinforcement. The cooling regulator is arranged to adapt to variable working conditions or different use environments, and the condition of thermal load proportion change of front-stage and rear-stage users is met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
fig. 2 is a schematic structural view of a heat exchange tube bundle according to an embodiment of the present application.
1. A main body; 11. a shell-and-tube heat exchanger; 12. a middle transition section; 13. a heat exchange pipe; 14. an annular baffling ring; 15. a horizontal rod baffle; 16. a vertical rod baffle; 17. a first cover; 18. a second cover; 19. a first media inlet; 20. a first medium outlet; 21. fixing the tube plate; 22. a distance pull rod; 23. a second medium inlet; 24. a second medium outlet;
3. a cooling regulator; 31. a bypass main pipe; 32. a bypass branch pipe; 33. and (4) a valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a baffle rod shell-and-tube heat exchange device with adjustable it is multistage, and it can solve the heat exchanger equipment that uses on the boats and ships among the correlation technique numerous, pipeline system is complicated, is unfavorable for alleviateing the whole weight of boats and ships, and occupies the problem in a large amount of spaces of boats and ships.
Referring to fig. 1 and 2, an embodiment of the present application provides a multi-stage adjustable rod-baffle shell-and-tube heat exchanger, including:
the main part 1, this main part 1 include multistage shell-and-tube heat exchanger 11, and the specific quantity of shell-and-tube heat exchanger 11 is specifically set for according to actual need, and this application explains with two-stage shell-and-tube heat exchanger 11 as an example. Two stages of shell-and-tube heat exchangers 11 (namely a front stage shell-and-tube heat exchanger and a rear stage shell-and-tube heat exchanger) are connected end to end through an intermediate transition section 12. A first cover 17 for introducing the second medium is provided at the front end of the main body 1, and a second cover 18 for discharging the second medium is provided at the rear end of the main body 1. The first cover 17 is provided with a second medium inlet 23 for introducing a second medium, and the second cover 18 is provided with a second medium outlet 24 for discharging the second medium. The second medium is a cold medium, and the second medium in this embodiment is preferably seawater.
The shell-and-tube heat exchanger 11 comprises a cylinder body and a heat exchange tube bundle positioned in the cylinder body, wherein a plurality of annular baffling rings 14 which are arranged along the length direction of the heat exchange tube bundle at intervals are arranged on the periphery of the heat exchange tube bundle, the annular baffling rings 14 are of annular structures, and the excircle of each annular baffling ring 14 is attached to the inner wall of the cylinder body. It provides fixed horizontal baffling pole 15 and vertical baffling pole 16 for heat exchanger tube bank to be equipped with many in annular baffling circle 14 internal fixation, fixes horizontal baffling pole 15 and vertical baffling pole 16 respectively in two adjacent annular baffling circles 14, and four adjacent annular baffling circles 14 are a set of, and horizontal baffling pole 15 and vertical baffling pole 16 in four annular baffling circles 14 are fixed jointly heat exchanger tube bank, horizontal baffling pole 15 and vertical baffling pole 16 in four annular baffling circles 14 are fixed around heat exchanger tube of heat exchanger tube bank through four directions, realize about the heat exchanger tube, the fixing of left and right directions.
Distance pull rods 22 are fixedly connected between two adjacent annular baffle rings 14, a plurality of distance pull rods 22 are arranged, and the distance pull rods 22 are uniformly distributed and arranged along the circumferential direction of the annular baffle rings 14. The annular baffle ring 14, the distance pull rod 22, the horizontal baffle rod 15 and the vertical baffle rod 16 form a fixed structure together, so that the fixed structure has good positioning and good vibration-proof performance for the heat exchange tube bundle. In addition, the fixed structure consisting of the annular baffle ring 14, the distance pull rod 22, the horizontal baffle rod 15 and the vertical baffle rod 16 has the advantages of low shell-side flow resistance, greatly improved flow velocity outside the pipe and flow uniformity, and the like, and the heat exchange efficiency is obviously enhanced.
The cooling regulator 3 comprises a bypass main pipe 31 led out from the first sealing cover 17 and used for circulating a second medium, a bypass branch pipe 32 communicated with the middle transition section 12 is arranged on the bypass main pipe 31, a valve 33 used for regulating the flow of the second medium is arranged between the bypass main pipe 31 and the bypass branch pipe 32, and the valve 33 is an electric control valve.
The cooling regulator 3 is used for adapting to the condition that the heat load proportion of front and rear users changes under variable working conditions or different use environments. Specifically, when the user load of the preceding shell-and-tube heat exchanger 11 is low, by increasing the opening degree of the valve 323 between the bypass main pipe 31 and the bypass branch pipe 32, a part of the second medium is directly used for cooling the first medium in the succeeding shell-and-tube heat exchanger 11 without passing through the preceding shell-and-tube heat exchanger 11, and thus more heat load can be taken away. Therefore, the device has higher heat exchange efficiency and wider application range.
In some alternative embodiments: referring to fig. 1, the embodiment of the present application provides a multi-stage adjustable rod-and-tube heat exchanger, a cylinder of the rod-and-tube heat exchanger is a hollow cylinder structure, a first medium inlet 19 for introducing a first medium and a first medium outlet 20 for discharging the first medium are provided on the cylinder, the first media in two adjacent stages of shell-and-tube heat exchangers 11 are sealed with each other, and a second medium in two adjacent stages of shell-and-tube heat exchangers 11 is communicated with an intermediate transition section 12 through a heat exchange tube bundle.
The middle transition section 12 is of a circular pipe body structure, flanges are respectively arranged at the two ends of the barrel body and the middle transition section 12, and the middle transition section 12 is connected with the barrel body of the two adjacent stages of shell-and-tube heat exchangers 11 through bolts of the flanges. The middle transition section 12 is used as a transition section of the two adjacent polar tube shell type heat exchangers 11, and is used for introducing a second medium between the two adjacent polar tube shell type heat exchangers 11, and the heat exchange tube bundles in the two adjacent polar tube shell type heat exchangers 11 are all communicated with the middle transition section 12.
The first medium is a heat medium, the first medium enters the shell-and-tube heat exchanger 11 from the first medium inlet 19 to exchange heat with a second medium in the shell-and-tube heat exchanger 11, the second medium cools the first medium, and the cooled first medium flows out from the first medium outlet 20. After entering the front-stage shell-and-tube heat exchanger 11 from the first cover 17, the second medium exchanges heat with the first medium in the front-stage shell-and-tube heat exchanger 11 first, then enters the intermediate transition section 12, flows out from the intermediate transition section 12, enters the rear-stage shell-and-tube heat exchanger 11 to exchange heat with the first medium in the rear-stage shell-and-tube heat exchanger 11, and finally flows out from the second cover 18.
In some alternative embodiments: referring to fig. 2, the embodiment of the present application provides a multi-stage adjustable rod-and-tube heat exchanger, a heat exchange tube bundle of which includes two fixed tube plates 21 and a plurality of heat exchange tubes 13, where the fixed tube plates 21 are provided, and the heat exchange tubes 13 are provided with a plurality of tubes. The heat exchange tube 13 is preferably but not limited to a stainless steel tube or a copper tube, and the heat exchange tube 13 is made of the stainless steel tube or the copper tube and has good heat conductivity and corrosion resistance, so that the heat conduction efficiency of the heat exchange tube 13 is improved, and the service life of the heat exchange tube is prolonged. The heat exchange tube 13 is any one of a plain tube, a threaded tube or a corrugated tube, the heat exchange tube 13 of the present embodiment is preferably, but not limited to, a threaded tube or a corrugated tube, and the heat exchange tube 13 is a threaded tube or a corrugated tube, which has a larger surface area and improves the heat exchange efficiency of the heat exchange tube 13.
A plurality of positioning holes penetrating into the heat exchange tube 13 are formed in the fixed tube plates 21, the two fixed tube plates 21 are respectively located at two ends of the heat exchange tube 13, the outer wall of the heat exchange tube 13 is connected with the fixed tube plates 21 in a sealing mode, and the outer wall of the fixed tube plates 21 is connected with the inner wall of the barrel in a sealing mode. The outer wall of the heat exchange tube 13 is hermetically connected with the fixed tube plate 21, and the outer wall of the fixed tube plate 21 is hermetically connected with the inner wall of the cylinder body, so that the heat exchange tube bundle and the cylinder body form a closed cavity structure. The first medium can be prevented from leaking mutually when the shell-and-tube heat exchanger 11 exchanges heat with the second medium in the heat exchange tube bundle, and the first medium in the shell-and-tube heat exchanger 11 can be prevented from mixing with the first medium in the adjacent shell-and-tube heat exchanger 11.
Principle of operation
The embodiment of the application provides a baffling pole shell and tube heat exchange device with adjustable it is multistage, because this application has set up main part 1, this main part 1 includes multistage shell and tube heat exchanger 11, through middle changeover portion 12 end to end connection between the multistage shell and tube heat exchanger 11, and the front end of main part 1 is equipped with the first closing cap 17 that lets in the second medium, and the end of main part 1 is equipped with the second closing cap 18 that flows the second medium. The shell-and-tube heat exchanger 11 comprises a cylinder body and a heat exchange tube bundle positioned in the cylinder body, wherein a plurality of annular baffle rings 14 arranged along the length direction of the heat exchange tube bundle at intervals are arranged on the periphery of the heat exchange tube bundle, and a plurality of horizontal baffle rods 15 and vertical baffle rods 16 for fixing the heat exchange tube bundle are fixedly arranged in the annular baffle rings 14. The cooling regulator 3 comprises a bypass main pipe 31 led out from the first sealing cover 17 and used for circulating the second medium, a bypass branch pipe 32 communicated with the middle transition section 12 is arranged on the bypass main pipe 31, and a valve 33 used for regulating the flow of the second medium is arranged between the bypass main pipe 31 and the bypass branch pipe 32.
The utility model provides a baffling pole shell and tube heat exchange device constitutes main part 1 with multistage shell and tube heat exchanger 11 through 12 end-to-end connections of middle changeover portion, and this main part 1 can realize the cooling to a plurality of users, multiple medium, saves the space waste and the redundant investment that set up heat exchanger, pump and pipeline annex etc. for each user alone. Meanwhile, the heat exchange tube bundle is provided with a fixed structure consisting of an annular baffle ring 14, a horizontal baffle rod 15 and a vertical baffle rod 16, and the heat exchange tube bundle has good positioning and vibration-proof performance. And the fixed structure that annular baffling circle 14, horizontal baffling pole 15 and vertical baffling pole 16 are constituteed has that shell side flow resistance is low, and the outside of tubes velocity of flow and flow uniformity improve advantages such as by a wide margin, and heat exchange efficiency obtains showing the reinforcement. The cooling regulator 3 is arranged to adapt to variable working conditions or different use environments, so that the condition of thermal load proportion change of front and rear users is met.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A multiple stage adjustable rod-baffle shell and tube heat exchange apparatus comprising:
the heat exchanger comprises a main body (1), wherein the main body (1) comprises a multi-stage shell-and-tube heat exchanger (11), the multi-stage shell-and-tube heat exchangers (11) are connected end to end through a middle transition section (12), a first sealing cover (17) for introducing a second medium is arranged at the front end of the main body (1), and a second sealing cover (18) for allowing the second medium to flow out is arranged at the tail end of the main body;
the shell-and-tube heat exchanger (11) comprises a cylinder body and a heat exchange tube bundle positioned in the cylinder body, wherein a plurality of annular baffle rings (14) are arranged at intervals along the length direction of the heat exchange tube bundle at the periphery of the heat exchange tube bundle, and a plurality of horizontal baffle rods (15) and/or vertical baffle rods (16) for fixing the heat exchange tube bundle are fixedly arranged in the annular baffle rings (14);
cooling regulator (3), cooling regulator (3) are including drawing forth from first closing cap (17) and being used for circulating the bypass of second medium and be responsible for (31), be equipped with on the bypass is responsible for (31) with bypass branch pipe (32) of middle changeover portion (12) intercommunication, be equipped with between bypass is responsible for (31) and bypass branch pipe (32) and adjust valve (33) of second medium flow.
2. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 1, wherein:
the shell is of a hollow cylinder structure, a first medium inlet (19) for introducing a first medium and a first medium outlet (20) for flowing out the first medium are formed in the shell, the first media in the two adjacent stages of shell-and-tube heat exchangers (11) are sealed with each other, and a second medium in the two adjacent stages of shell-and-tube heat exchangers (11) is communicated with the intermediate transition section (12) through a heat exchange tube bundle.
3. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 1, wherein:
the heat exchange tube bundle comprises a fixed tube plate (21) and two heat exchange tubes (13), wherein the fixed tube plate (21) is provided with two tubes, the heat exchange tubes (13) are provided with a plurality of tubes, the fixed tube plate (21) is provided with a plurality of positioning holes penetrating the heat exchange tubes (13), the fixed tube plate (21) is positioned at two ends of the heat exchange tubes (13), the outer wall of the heat exchange tubes (13) is connected with the fixed tube plate (21) in a sealing manner, and the outer wall of the fixed tube plate (21) is connected with the inner wall of the barrel in a sealing manner.
4. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 3, wherein:
the heat exchange tube (13) is a stainless steel tube or a copper tube.
5. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 3, wherein:
the heat exchange tube (13) is any one of a plain tube, a threaded tube or a corrugated tube.
6. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 1, wherein:
two adjacent fixed connection distance pull rod (22) between annular baffling circle (14), distance pull rod (22) are equipped with many, many the circumferencial direction equipartition range of annular baffling circle (14) is followed in distance pull rod (22).
7. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 1, wherein:
the first sealing cover (17) is provided with a second medium inlet (23) for introducing a second medium, and the second sealing cover (18) is provided with a second medium outlet (24) for flowing out the second medium.
8. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 1, wherein:
the middle transition section (12) is of a circular pipe body structure, flanges are respectively arranged at the two ends of the barrel body and the middle transition section (12), and the middle transition section (12) is connected with the barrel body of the adjacent two-stage shell-and-tube heat exchanger (11) through bolts of the flanges.
9. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 1, wherein:
the valve (33) is an electric valve.
10. The multiple stage adjustable rod baffle shell and tube heat exchanger of claim 1, wherein:
the horizontal deflection rod (15) and the vertical deflection rod (16) are respectively fixed in two adjacent annular deflection rings (14);
and four adjacent annular baffle rings (14) form a group, and horizontal baffle rods (15) and vertical baffle rods (16) in the four annular baffle rings (14) are jointly fixed on the heat exchange tube bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022283173.2U CN214120873U (en) | 2020-10-14 | 2020-10-14 | Multi-stage adjustable baffle rod shell-and-tube heat exchange device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022283173.2U CN214120873U (en) | 2020-10-14 | 2020-10-14 | Multi-stage adjustable baffle rod shell-and-tube heat exchange device |
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| CN214120873U true CN214120873U (en) | 2021-09-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396814A (en) * | 2021-12-28 | 2022-04-26 | 宏雷机械设备(南通)有限公司 | Heat exchanger with adjustable flow |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396814A (en) * | 2021-12-28 | 2022-04-26 | 宏雷机械设备(南通)有限公司 | Heat exchanger with adjustable flow |
| CN114396814B (en) * | 2021-12-28 | 2022-12-30 | 宏雷机械设备(南通)有限公司 | Heat exchanger with adjustable flow |
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