CN115371482B - Flow equalizing device for shell-and-tube heat exchanger - Google Patents
Flow equalizing device for shell-and-tube heat exchanger Download PDFInfo
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- CN115371482B CN115371482B CN202211291617.4A CN202211291617A CN115371482B CN 115371482 B CN115371482 B CN 115371482B CN 202211291617 A CN202211291617 A CN 202211291617A CN 115371482 B CN115371482 B CN 115371482B
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- liquid inlet
- heat exchanger
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- shell
- flow equalizing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of heat exchangers, in particular to a flow equalizing device for a shell-and-tube heat exchanger, which comprises: a heat exchanger body; the end socket is positioned at the end part of the heat exchanger body, one end of the end socket is provided with a liquid inlet and a liquid outlet, and the end socket and the heat exchanger form a liquid inlet cavity; a partition is arranged inside the liquid inlet cavity; the portion of flow equalizing, the portion of flow equalizing is located the feed liquor intracavity, one side of the portion of flow equalizing is fixed in the feed liquor mouth, the portion of flow equalizing includes two sets of bracing pieces and slidable mounting be in water droplet ball on the bracing piece. According to the invention, liquid enters the liquid inlet cavity from the liquid inlet, and is blocked and divided by the water drop balls, so that the liquid in the liquid inlet cavity is disturbed and diffused in the liquid inlet cavity and uniformly diffused to the periphery of the liquid inlet cavity, and the heat exchange tubes which are not right opposite to the liquid inlet and the heat exchange tubes which are right opposite to the liquid inlet can be uniformly distributed to the refrigerant, so that the refrigerant is uniform and can enter the heat exchange tubes at the same time, and the heat exchange efficiency is improved.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a flow equalizing device for a shell-and-tube heat exchanger.
Background
Application No.: 202022619400.4, publication (bulletin) No.: CN213714034U, a shell-and-tube heat exchanger with back-flushing function, which comprises a shell-and-tube heat exchanger body, a water inlet, a water outlet, and a base, wherein the water inlet is inserted in the upper surface of the shell-and-tube heat exchanger body, the water outlet is inserted in the lower surface of the shell-and-tube heat exchanger body, the base is fixedly installed at four corners of the lower surface of the shell-and-tube heat exchanger body, a baffle is fixedly connected inside the shell-and-tube heat exchanger body, and a shell is inserted in the upper surface of the baffle; through the casing, filter screen, waterproof cover and the first in command of design, the device during operation, rivers get into to flow from the surface of filter screen and reach, and the filter screen filters rivers this moment, and the casing prevents that the condition of dislocation from appearing in the filter screen, when the filter screen needs to clean, can unscrew waterproof cover and drive the first in command and pull out, can take out casing and filter screen this moment, has solved shell and tube heat exchanger and has used the dirt for a long time, influences the problem of rivers quality.
In practical application, more refrigerant liquid can be distributed to the heat exchange tubes facing the liquid inlet, less refrigerant liquid can be distributed to the heat exchange tubes far away from the liquid inlet, less refrigerant liquid can be distributed to the heat exchange tubes on the upper side, especially, the heat exchangers with more pipes are arranged, so that the refrigerant liquid is unevenly distributed, the refrigerant liquid cannot enter the heat exchange tubes at the same time, the heat exchange efficiency is influenced, and therefore, it is necessary to develop the flow equalizing device for the shell-and-tube heat exchanger.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a flow equalizing device for a shell-and-tube heat exchanger, which solves the problems that refrigerant liquid is unevenly distributed and heat exchange efficiency is affected.
In order to solve the technical problem, the invention provides a flow equalizing device for a shell-and-tube heat exchanger, which comprises: a heat exchanger body; the end socket is positioned at the end part of the heat exchanger body, one end of the end socket is provided with a liquid inlet and a liquid outlet, and the end socket and the heat exchanger body form a liquid inlet cavity; a partition is arranged inside the liquid inlet cavity; the anti-corrosion part is sleeved between the end socket and the heat exchanger body; the flow equalizing part is positioned in the liquid inlet cavity, one side of the flow equalizing part is fixed in the liquid inlet, and the flow equalizing part comprises two groups of support rods and water drop balls which are slidably arranged on the support rods; wherein liquid enters the liquid inlet cavity through the liquid inlet, and the water dropping ball is suitable for changing the flow direction of the liquid.
Furthermore, the water dropping ball is provided with a hemispherical surface and a conical surface, the water dropping ball is integrally in a water dropping shape, a first magnet is fixed between the conical surface and the hemispherical surface, and a second magnet is arranged on one side of the liquid inlet; when the conical surface is inserted into the liquid inlet, the first magnet and the second magnet attract each other.
Furthermore, the supporting rod is fixed on one side of the liquid inlet, and a spring is sleeved on the outer surface of the supporting rod; sleeves are fixed on two sides of the water drop ball and are slidably mounted on the supporting rod; when liquid enters the liquid inlet cavity through the liquid inlet, the liquid pushes the water drop ball to move along the other end of the supporting rod, and the first magnet is separated from the second magnet.
Further, anticorrosive portion includes two sets of anticorrosive covers and fixed buckle, anticorrosive cover is the semicircle ring-type, and two sets of anticorrosive covers can splice into the ring.
Furthermore, a plurality of trepanning are seted up to the inside wall of anticorrosive cover, the trepanning is in the equidistant range is put on the anticorrosive cover.
Further, the end socket is connected with the heat exchanger body through a plurality of screws; the diameter of the opening end of the sleeve hole is smaller than that of the sleeve hole, and the sleeve hole is used for being sleeved on the screw rod.
Furthermore, the outer surface of the anti-corrosion sleeve is provided with a metal net sleeve, and the fixed buckles are hinged at two ends of the metal net sleeve.
Further, the heat exchange tube is installed inside the heat exchanger body, and the support legs are installed at the bottom of the heat exchanger body.
The invention has the beneficial effects that: the invention provides a flow equalizing device for a shell-and-tube heat exchanger, which is characterized in that liquid enters a liquid inlet cavity from a liquid inlet, and is blocked and divided by a water drop ball, so that the liquid in the liquid inlet cavity is disturbed and diffused in the liquid inlet cavity and uniformly diffused to the periphery of the liquid inlet cavity, a heat exchange tube which is not right opposite to the liquid inlet and a heat exchange tube which is right opposite to the liquid inlet can be uniformly distributed to refrigerant, the refrigerant is uniform and can enter the heat exchange tubes at the same time, and the heat exchange efficiency is improved; when the refrigerating fluid is not introduced into the liquid inlet, the first magnet and the second magnet are mutually adsorbed, the conical surface of the water drop ball is inserted into the liquid inlet to block the liquid inlet, and therefore external impurities or liquid can be prevented from entering the liquid inlet cavity.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is a partial cross-sectional view of a preferred embodiment of the present invention;
FIG. 3 is a perspective view of a preferred embodiment of a flow straightener of the present invention;
FIG. 4 is a front view of a preferred embodiment of a flow straightener of the present invention;
fig. 5 is a front view of a preferred embodiment of the corrosion prevention part of the present invention.
In the figure: 1. a heat exchanger body; 11. sealing the end; 12. a liquid inlet; 13. a liquid outlet; 14. a liquid inlet cavity; 15. separating; 2. a current equalizing section; 21. a support bar; 22. a water dropping ball; 23. a hemispherical surface; 24. a conical surface; 25. a first magnet; 26. a second magnet; 27. a spring; 28. a sleeve; 29. a heat exchange pipe; 3. a corrosion prevention part; 31. an anti-corrosion sleeve; 310. fixing a buckle; 32. trepanning; 33. a metal mesh sleeve; 34. a screw; 4. and (3) a support leg.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 5, the present invention provides a flow equalizing device for a shell-and-tube heat exchanger, comprising: a heat exchanger body 1; the end socket 11 is positioned at the end part of the heat exchanger body 1, one end of the end socket 11 is provided with a liquid inlet 12 and a liquid outlet 13, and the end socket 11 and the heat exchanger body 1 form a liquid inlet cavity 14; a partition 15 is arranged inside the liquid inlet cavity 14; the flow equalizing device comprises a liquid inlet cavity 14, a flow equalizing part 2 and a flow equalizing part, wherein the liquid inlet cavity 14 is used for separating a refrigerating fluid, the refrigerating fluid enters a liquid outlet 13 through a liquid inlet 12 and is discharged, the flow equalizing part 2 is positioned in the liquid inlet cavity 14, one side of the flow equalizing part 2 is fixed in the liquid inlet 12, and the flow equalizing part 2 comprises two groups of support rods 21 and water drop balls 22 which are slidably arranged on the support rods 21; wherein liquid enters the inlet chamber 14 through the inlet 12 and the droplet ball 22 is adapted to change the direction of the liquid flow.
By enabling liquid to enter the liquid inlet cavity 14 from the liquid inlet 12, the liquid is blocked and divided by the water drop balls 22, so that the liquid in the liquid inlet cavity 14 is disturbed and diffused in the liquid inlet cavity 14 and uniformly diffused to the periphery of the liquid inlet cavity 14, the refrigerant can be uniformly distributed to the heat exchange tube 29 which is not right opposite to the liquid inlet 12 and the heat exchange tube 29 which is right opposite to the liquid inlet 12, the refrigerant is uniform, and the refrigerant can enter the heat exchange tube 29 simultaneously.
The water drop ball 22 is provided with a hemispherical surface 23 and a conical surface 24, the whole body is in a water drop shape, a first magnet 25 is fixed between the conical surface 24 and the hemispherical surface 23, and a second magnet 26 is arranged on one side of the liquid inlet 12; when the conical surface 24 is inserted into the liquid inlet 12, the first magnet 25 and the second magnet 26 attract each other, the support rod 21 is fixed on one side of the liquid inlet 12, and the outer surface of the support rod 21 is sleeved with the spring 27; sleeves 28 are fixed on two sides of the water drop ball 22, and the sleeves 28 are slidably arranged on the support rod 21; when liquid enters the liquid inlet cavity 14 through the liquid inlet 12, the liquid pushes the water drop ball 22 to move along the other end of the support rod 21, and the first magnet 25 is separated from the second magnet 26.
When the refrigerant fluid is not introduced into the liquid inlet 12, the first magnet 25 and the second magnet 26 are mutually adsorbed, the conical surface 24 of the water droplet ball 22 is inserted into the liquid inlet 12 to block the liquid inlet 12, so that external impurities or liquid can be prevented from entering the liquid inlet cavity 14, when liquid is injected into the required heat exchange tube 29, the liquid extrudes the water droplet ball 22 through the liquid inlet 12, the sleeve 28 on the water droplet ball 22 slides to the other end along the supporting rod 21, the spring 27 is compressed, the liquid is blocked and divided by the water droplet ball 22 at the moment, the integral flow direction of the liquid is changed, the liquid is diffused in the liquid inlet cavity 14, and the liquid uniformly enters the heat exchange tube 29.
The anticorrosion part 3 is sleeved between the end socket 11 and the heat exchanger body 1; anticorrosive portion 3 includes two sets of anticorrosive cover 31 and fixed buckle 310, and anticorrosive cover 31 is the semicircle cyclic annular, and two sets of anticorrosive cover 31 can splice into the ring, and a plurality of trepanning 32 has been seted up to anticorrosive cover 31's inside wall, and trepanning 32 is equidistant range on anticorrosive cover 31, and the open end diameter of trepanning 32 is less than the diameter of trepanning 32, and trepanning 32 is used for the cover to establish on screw rod 34.
Through overlapping anticorrosive cover 31 on screw rod 34 for can prevent that screw rod 34 from exposing for a long time and receive the corruption in the external world, and set up trepanning 32 in anticorrosive cover 31's inside, inseparable cover that trepanning 32 can correspond is on screw rod 34, further reduces screw rod 34 and external contact, and anticorrosive cover 31 is the corrosion-resistant material of rubber, improves anticorrosive effect.
The surface mounting of anticorrosive cover 31 has metal mesh 33, and fixed buckle 310 articulates at the both ends of metal mesh 33, can protect inside anticorrosive cover 31 through setting up metal mesh 33, prevents that anticorrosive cover 31 outside from breaking.
The internally mounted of heat exchanger body 1 has heat exchange tube 29, and stabilizer blade 4 is installed to the bottom of heat exchanger body 1, supports the casing bottom through stabilizer blade 4.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a flow straightener for shell and tube heat exchanger which characterized in that includes:
a heat exchanger body (1);
the end socket (11) is positioned at the end part of the heat exchanger body (1), one end of the end socket (11) is provided with a liquid inlet (12) and a liquid outlet (13), and the end socket (11) and the heat exchanger body (1) form a liquid inlet cavity (14); a partition (15) is arranged inside the liquid inlet cavity (14);
the anticorrosion part (3), the anticorrosion part (3) is sleeved between the seal head (11) and the heat exchanger body (1);
the flow equalizing device comprises a flow equalizing part (2), wherein the flow equalizing part (2) is positioned in a liquid inlet cavity (14), one side of the flow equalizing part (2) is fixed in a liquid inlet (12), and the flow equalizing part (2) comprises two groups of supporting rods (21) and water drop balls (22) which are slidably mounted on the supporting rods (21);
wherein liquid enters the liquid inlet cavity (14) through the liquid inlet (12), and the water drop ball (22) is suitable for changing the flow direction of the liquid; the water drop ball (22) is provided with a hemispherical surface (23) and a conical surface (24), the water drop ball is integrally in a water drop shape, a first magnet (25) is fixed between the conical surface (24) and the hemispherical surface (23), and a second magnet (26) is arranged on one side of the liquid inlet (12);
when the conical surface (24) is inserted into the liquid inlet (12), the first magnet (25) and the second magnet (26) attract each other.
2. The flow straightener for shell and tube heat exchangers of claim 1,
the supporting rod (21) is fixed on one side of the liquid inlet (12), and a spring (27) is sleeved on the outer surface of the supporting rod (21);
sleeves (28) are fixed on two sides of the water drop ball (22), and the sleeves (28) are slidably mounted on the supporting rod (21);
when liquid enters the liquid inlet cavity (14) through the liquid inlet (12), the liquid pushes the water drop ball (22) to move along the other end of the support rod (21), and the first magnet (25) is separated from the second magnet (26).
3. The flow straightener for shell and tube heat exchangers of claim 2,
the anti-corrosion part (3) comprises two sets of anti-corrosion sleeves (31) and a fixing buckle (310), the anti-corrosion sleeves (31) are semicircular, and the two sets of anti-corrosion sleeves (31) can be spliced into a circular ring.
4. The flow straightener for shell-and-tube heat exchangers according to claim 3,
a plurality of trepanning (32) have been seted up to the inside wall of anticorrosive cover (31), trepanning (32) are in be equidistant range on anticorrosive cover (31).
5. The flow straightener for shell and tube heat exchangers of claim 4,
the end socket (11) is connected with the heat exchanger body (1) through a plurality of screws (34);
the diameter of the opening end of the sleeve hole (32) is smaller than that of the sleeve hole (32), and the sleeve hole (32) is used for being sleeved on the screw rod (34).
6. The flow straightener for shell and tube heat exchangers of claim 5,
the outer surface mounting of anticorrosive cover (31) has metal mesh cover (33), fixed buckle (310) hinge the both ends of metal mesh cover (33).
7. The flow straightener for shell and tube heat exchangers of claim 6,
the heat exchanger is characterized in that a heat exchange tube (29) is arranged inside the heat exchanger body (1), and support legs (4) are arranged at the bottom of the heat exchanger body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211291617.4A CN115371482B (en) | 2022-10-21 | 2022-10-21 | Flow equalizing device for shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211291617.4A CN115371482B (en) | 2022-10-21 | 2022-10-21 | Flow equalizing device for shell-and-tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115371482A CN115371482A (en) | 2022-11-22 |
| CN115371482B true CN115371482B (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211291617.4A Active CN115371482B (en) | 2022-10-21 | 2022-10-21 | Flow equalizing device for shell-and-tube heat exchanger |
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| CN (1) | CN115371482B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2766914B1 (en) * | 1997-07-29 | 1999-10-29 | D Applic Thermiques Comp Ind | DISTRIBUTOR FOR FITTING INTRATUBULAR HEAT EXCHANGERS OF DIPHASIC-TYPE REFRIGERATION FLUID COOLING PLANTS |
| CN111473678A (en) * | 2020-05-24 | 2020-07-31 | 张化机（苏州）重装有限公司 | Heat exchanger solution distribution structure |
| CN111780611B (en) * | 2020-07-30 | 2022-03-15 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Subregion flow self-adjusting heat exchanger |
| CN112403570A (en) * | 2020-10-30 | 2021-02-26 | 重庆贻晨兴工业设计有限责任公司 | Conical waste heat collecting crusher and using method thereof |
| CN214260752U (en) * | 2020-11-30 | 2021-09-24 | 上海鑫凯化学科技有限公司 | Extraction device with anti-liquid-blocking mechanism for 2, 6-dimethylaminopyridine |
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2022
- 2022-10-21 CN CN202211291617.4A patent/CN115371482B/en active Active
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