CN215864856U - Fluoroplastics tube bank heat exchanger head of intaking - Google Patents
Fluoroplastics tube bank heat exchanger head of intaking Download PDFInfo
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- CN215864856U CN215864856U CN202122425038.1U CN202122425038U CN215864856U CN 215864856 U CN215864856 U CN 215864856U CN 202122425038 U CN202122425038 U CN 202122425038U CN 215864856 U CN215864856 U CN 215864856U
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- water inlet
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- heat exchanger
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Abstract
The utility model belongs to the technical field of fluoroplastic heat exchanger end sockets and discloses a fluoroplastic tube bundle heat exchanger water inlet end socket. The main technical characteristics are as follows: the water-permeable pipe joint comprises a pipe plate with a water inlet hole and a head main body with a water inlet, wherein a connecting rod is arranged on the inner side face of the head main body, a water-homogenizing plate is arranged below the connecting rod, and a water-permeable hole is formed in the water-homogenizing plate. After entering from the water inlet, water with certain pressure firstly falls on the water homogenizing plate, one part of water flows to the tube plate below the water homogenizing plate through the water permeable holes, and the other part of water flows to the periphery along the water homogenizing plate, so that the water can be uniformly distributed in the water inlet holes on the tube plate, the flow of the water in each fluoroplastic tube is approximately equal, the heat exchange effect is good, the temperature in each fluoroplastic tube is consistent, the overhigh temperature of the fluoroplastic tube caused by too little or no water flow can be avoided, and the service life of the fluoroplastic tube is shortened.
Description
Technical Field
The utility model belongs to the technical field of fluoroplastic heat exchanger end sockets, and particularly relates to a fluoroplastic tube bundle heat exchanger water inlet end socket.
Background
The fluoroplastic tube bundle heat exchanger has the advantages of super-strong corrosion resistance, good flexibility, strong adaptability, smooth tube wall, difficulty in dust deposition and the like, and provides a feasible solution for deep utilization of low-temperature waste heat of flue gas. The current fluoroplastic tube bundle heat exchanger comprises a water inlet end enclosure main body with a water inlet, a water outlet end enclosure main body with a water outlet, a water inlet pipe plate with a water inlet hole, a water outlet pipe plate with a water outlet hole and a fluoroplastic tube bundle connecting the water inlet hole and the water outlet hole. Cold water with certain pressure enters through the water inlet and enters the fluoroplastic pipe through the water inlet hole on the pipe plate, and after absorbing heat in the flue, the cold water flows out through the water outlet pipe plate and the water outlet, so that heat exchange is realized. The existing fluoroplastic tube bundle heat exchanger has the following defects due to the structure: firstly, because the flaring from the water inlet or the water outlet to the fluoroplastic tube bundle in the short-distance space in the waterway circulation is increased by many times and the Bernoulli effect exists, the corresponding flow is not fully obtained by partial fluoroplastic edge tube bundles, even the partial fluoroplastic tube bundles have empty tube bundles, no water enters, the water flow speed in the fluoroplastic tube close to the middle part is high, the absorbed heat is low, and thus the heat exchange efficiency is low; secondly, because the tube bundle temperature at the edge is high, the tube bundle is at high temperature for a long time, and the service life of the pipeline is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a fluoroplastic heat exchanger which has high heat exchange efficiency, uniform water distribution in a tube bundle and long service life of a pipeline.
In order to solve the problems, the water inlet end socket of the fluoroplastic tube bundle heat exchanger adopts the technical scheme that:
the water-permeable pipe joint comprises a pipe plate with a water inlet hole and a head main body with a water inlet, wherein a connecting rod is arranged on the inner side face of the head main body, a water-homogenizing plate is arranged below the connecting rod, and a water-permeable hole is formed in the water-homogenizing plate.
The additional technical characteristics are as follows:
the water homogenizing plate is a flat plate;
the section of the water homogenizing plate is wavy;
the water permeable holes are uniformly distributed, and the diameters of the water permeable holes are gradually increased along with the increase of the distance between the water permeable holes and the water inlet;
the diameter of the permeable holes is the same, and along with the increase of the distance between the permeable holes and the water inlet, the distance between the adjacent permeable holes is gradually reduced.
Compared with the prior art, the water inlet end enclosure device of the fluoroplastic tube bundle heat exchanger provided by the utility model has the following advantages: the heat exchange device comprises a tube plate with water inlet holes and a head main body with a water inlet, wherein a connecting rod is arranged on the inner side surface of the head main body, a water homogenizing plate is arranged below the connecting rod, water permeable holes are formed in the water homogenizing plate, water with certain pressure firstly falls on the water homogenizing plate after entering from the water inlet, one part of the water flows onto the tube plate below the water homogenizing plate through the water permeable holes, and the other part of the water flows to the periphery along the water homogenizing plate, so that the water can be uniformly distributed in the water inlet holes in the tube plate, the flow of the water in each fluoroplastic tube is approximately equal, the heat exchange effect is good, the temperature in each fluoroplastic tube is consistent, the overhigh temperature of the fluoroplastic tube due to too little or no water flow can be avoided, and the service life of the fluoroplastic tube is shortened; secondly, because the water homogenizing plate is a flat plate, water flow can flow in all directions, the water flow is more uniform, and the processing is more convenient; thirdly, as the cross section of the water homogenizing plate is wavy, for the rectangular tube plate, the cross section of the water homogenizing plate is wavy, water flowing above the water homogenizing plate can flow towards two ends along the groove of the water homogenizing plate, in the water flowing process, a part of water flows downwards below the water homogenizing plate through the water permeable holes, and a part of water flows towards two ends of the water homogenizing plate through the groove of the water homogenizing plate, only when the height of the water surface above the water homogenizing plate is higher than the raised part of the water homogenizing plate, a small amount of water flows transversely to two sides of the water homogenizing plate and flows downwards, so that the water surface above the tube plate is more uniform; fourthly, because the permeable holes are uniformly distributed, the diameters of the permeable holes are gradually increased along with the increase of the distance between the permeable holes and the water inlet, so that the pressure of the permeable holes close to the water inlet is large, the diameters of the permeable holes are small, the pressure of the permeable holes far away from the water inlet is small, and the diameters of the permeable holes are large, so that the water surface above the tube plate is more uniform; fifthly, because the hole diameter of permeating water is the same, along with the hole of permeating water leave the distance increase of water inlet department, the distance between the adjacent hole of permeating water dwindles gradually, makes the surface of water above the tube sheet more even equally.
Drawings
FIG. 1 is a schematic structural diagram of a water inlet head of a fluoroplastic tube bundle heat exchanger according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a side view of a water inlet head with fluoroplastic pipe bundles;
FIG. 4 is a top view of a fluoroplastic tube bundle heat exchanger water inlet head with water permeable holes of the same diameter;
fig. 5 is a top view of the water inlet head of the fluoroplastic tube bundle heat exchanger with uniformly distributed water permeable holes.
Detailed Description
The structure and the use principle of the water inlet end socket of the fluoroplastic tube bundle heat exchanger of the present invention are further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, fig. 2 and fig. 3, the water inlet head of the fluoroplastic tube bundle heat exchanger according to the present invention is schematically shown in the structural diagram, and comprises a tube plate 2 with a water inlet 1 and a head main body 4 with a water inlet 3, wherein a connecting rod 5 is arranged on the inner side surface of the head main body 4, a water homogenizing plate 6 is arranged below the connecting rod 5, and a water permeable hole 7 is arranged on the water homogenizing plate 6.
After entering from the water inlet 3, water with certain pressure firstly falls on the water homogenizing plate 6, one part of water flows to the tube plate 2 below the water homogenizing plate 6 through the water permeable holes 7, and the other part of water flows to the periphery along the water homogenizing plate 6, so that the water can be uniformly distributed in the water inlet holes 1 on the tube plate 2, the flow of the water in the fluoroplastic tubes 8 is approximately equal, the heat exchange effect is good, the temperature in the fluoroplastic tubes 8 is consistent, the overhigh temperature of the fluoroplastic tubes caused by too little or no water flow is avoided, and the service life of the fluoroplastic tubes 8 is prolonged.
The water homogenizing plate 6 can be a flat plate, water flow can flow in all directions, the water flow is more uniform, and the processing is more convenient.
The cross-section of even water board 6 is the wave, to rectangular tube sheet 2, the cross-section of even water board 6 is the wave, the water that flows to even water board 6 top can flow to both ends along the recess 61 of even water board, at the rivers flow-in-process, some water flows down even water board 6 below through the hole 7 of permeating water, still some water flows to the both ends of even water board through the recess 61 of even water board, only when the part that highly is higher than even water board arch 61 of the surface of water above even water board, just have a small amount of water lateral flow to flow down to even water board both sides, make the surface of water above the tube sheet more even. The water distribution plate 6 can be formed by dividing a round pipe into three parts at equal circumferential angles, then enabling one side of the arc top in the middle to face downwards, and enabling one sides of the two arc tops on the two sides to face upwards in a welding mode.
As shown in fig. 5, the holes 7 of permeating water evenly distributed, along with the hole 7 of permeating water leaves the distance increase of water inlet 3 department, the diameter of the hole 7 of permeating water crescent, like this, the pressure of the hole department of permeating water that is close to water inlet department is big, but the hole diameter of permeating water is little, and the pressure of keeping away from water inlet department hole department of permeating water is little, but the hole diameter of permeating water is big for the surface of water of tube sheet top is more even.
As shown in fig. 4, the diameter of the water permeable holes 7 is the same, and as the distance between the water permeable holes 7 and the water inlet 3 is increased, the distance between the adjacent water permeable holes 7 is gradually reduced, so that the water surface above the tube plate is more uniform.
The protection scope of the present invention is not limited to the above embodiments, and it falls within the protection scope of the present invention as long as the structure is the same as or similar to the structure of the water inlet end enclosure of the fluoroplastic tube bundle heat exchanger of the present invention.
Claims (5)
1. Fluoroplastics tube bank heat exchanger head that intakes, including the tube sheet that has the inlet opening, have the head main part of water inlet, its characterized in that: the inner side surface of the end socket main body is provided with a connecting rod, a water homogenizing plate is arranged below the connecting rod, and a water permeable hole is formed in the water homogenizing plate.
2. A fluoroplastic tube bundle heat exchanger water inlet head according to claim 1, wherein: the water homogenizing plate is a flat plate.
3. A fluoroplastic tube bundle heat exchanger water inlet head according to claim 1, wherein: the section of the water homogenizing plate is wavy.
4. A fluoroplastic tube bundle heat exchanger water inlet head according to claim 1, wherein: the holes of permeating water are evenly distributed, and along with the increase of the distance of the holes of permeating water away from the water inlet, the diameter of the holes of permeating water is gradually increased.
5. A fluoroplastic tube bundle heat exchanger water inlet head according to claim 1, wherein: the diameter of the permeable holes is the same, and along with the increase of the distance between the permeable holes and the water inlet, the distance between the adjacent permeable holes is gradually reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122425038.1U CN215864856U (en) | 2021-10-09 | 2021-10-09 | Fluoroplastics tube bank heat exchanger head of intaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122425038.1U CN215864856U (en) | 2021-10-09 | 2021-10-09 | Fluoroplastics tube bank heat exchanger head of intaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215864856U true CN215864856U (en) | 2022-02-18 |
Family
ID=80258985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122425038.1U Active CN215864856U (en) | 2021-10-09 | 2021-10-09 | Fluoroplastics tube bank heat exchanger head of intaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215864856U (en) |
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2021
- 2021-10-09 CN CN202122425038.1U patent/CN215864856U/en active Active
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