CN216409864U - Corrosion-resistant sea fresh water heat exchanger - Google Patents
Corrosion-resistant sea fresh water heat exchanger Download PDFInfo
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- CN216409864U CN216409864U CN202123276015.5U CN202123276015U CN216409864U CN 216409864 U CN216409864 U CN 216409864U CN 202123276015 U CN202123276015 U CN 202123276015U CN 216409864 U CN216409864 U CN 216409864U
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- end cover
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- fresh water
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Abstract
A corrosion-resistant sea and fresh water heat exchanger comprises a pipe shell, wherein a heat exchanger core is arranged in the pipe shell; a left end cover and a right end cover are respectively arranged on two sides of the tube shell, and the heat exchanger core is packaged inside the tube shell by the left end cover and the right end cover; a seawater inlet is processed on the side surface of the left end cover, and a seawater outlet is processed on the side surface of the right end cover; the side surface of the pipe shell is provided with a fresh water inlet, and the bottom of the pipe shell is provided with a fresh water outlet; a washing water inlet is formed in the oblique lower part of the right end cover; the inlet of the flushing water is connected with a pressurizing water pump through a pipeline, and the inlet side of the pressurizing water pump is connected with the fresh water inlet through a pipeline II and a three-way pipe; and a washing water outlet is formed in the bottom of the left end cover, and a water outlet pipe is connected to the washing water outlet. Compared with the prior art, the corrosion-resistant sea water and fresh water heat exchanger disclosed by the utility model has the advantages that the washing water is introduced into the heat exchanger to wash the core tube, the seawater is removed, the corrosion of the core tube caused by the residual seawater is reduced, and the service life of the heat exchanger can be prolonged.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a corrosion-resistant sea water and fresh water heat exchanger.
Background
The heat exchanger for the ship exchanges heat with fresh water through seawater, and when the equipment is shut down, the seawater is stored in the heat exchanger, so that the inside of the heat exchanger is easily corroded if the seawater is not discharged, the service life of the heat exchanger is shortened, and the later maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a corrosion-resistant sea water and fresh water heat exchanger aiming at the defects of the prior art.
In order to solve the technical problems, the utility model adopts the technical scheme that:
a corrosion-resistant sea and fresh water heat exchanger comprises a pipe shell, wherein a heat exchanger core is arranged in the pipe shell; a left end cover and a right end cover are respectively arranged on two sides of the tube shell, and the heat exchanger core is packaged inside the tube shell by the left end cover and the right end cover; a seawater inlet is processed on the side surface of the left end cover, and a seawater outlet is processed on the side surface of the right end cover; the side surface of the pipe shell is provided with a fresh water inlet, and the bottom of the pipe shell is provided with a fresh water outlet; a washing water inlet is formed in the oblique lower part of the right end cover; the inlet of the flushing water is connected with a pressurizing water pump through a pipeline, and the inlet side of the pressurizing water pump is connected with the fresh water inlet through a pipeline II and a three-way pipe; and a washing water outlet is formed in the bottom of the left end cover, and a water outlet pipe is connected to the washing water outlet.
Furthermore, a first control valve is mounted on the first pipeline.
Furthermore, a second control valve is installed on the water outlet pipe.
Furthermore, a water outlet is formed in the bottom of the right end cover, and a threaded plug is connected to the water outlet.
Furthermore, a first flange connecting disc is arranged on the outer ring of the left end cover and the outer ring of the right end cover, a second flange connecting disc is arranged at two ends of the tube shell, and the first flange connecting disc and the second flange connecting disc are fixedly connected through bolts and nuts; and a sealing gasket is arranged between the first flange connecting disc and the second flange connecting disc.
Further, the bottom of the pipe shell is provided with a mounting seat.
Compared with the prior art, the corrosion-resistant sea water and fresh water heat exchanger disclosed by the utility model has the advantages that the washing water is introduced into the heat exchanger to wash the core tube, the seawater is removed, the corrosion of the core tube caused by the residual seawater is reduced, and the service life of the heat exchanger can be prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
the heat exchanger comprises a shell, a heat exchanger core, a left end cover, a right end cover, a heat exchanger core, a heat exchanger cores, a heat exchanger core, a heat exchanger cores, a heat exchanger core, a heat exchanger cores, a heat exchanger core, a heat exchanger cores.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
As shown in fig. 1, the corrosion-resistant sea water and fresh water heat exchanger comprises a pipe shell 1, wherein a heat exchanger core 2 is arranged in the pipe shell 1; a left end cover 3 and a right end cover 4 are respectively arranged on two sides of the tube shell 1, and the heat exchanger core 2 is packaged inside the tube shell 1 through the left end cover 3 and the right end cover 4; a seawater inlet 5 is processed on the side surface of the left end cover 3, and a seawater outlet 6 is processed on the side surface of the right end cover 4; a fresh water inlet 7 is formed in the side surface of the pipe shell 1, and a fresh water outlet 8 is formed in the bottom of the pipe shell 1; wherein, sea water enters from the sea water inlet 5, passes through the heat exchanger core 2 and then is discharged from the sea water outlet 6, while fresh water exchanges heat in the pipe shell 1 from the fresh water inlet 7 and is discharged from the fresh water outlet 8, and part of sea water remains in the heat exchanger core 2, which can corrode the interior of the heat exchanger.
A washing water inlet 9 is arranged obliquely below the right end cover 4; the flushing water inlet 9 is connected with a pressurizing water pump 10 through a pipeline, the inlet side of the pressurizing water pump 10 is connected with the fresh water inlet 8 through a pipeline II and a three-way pipe, and water at the fresh water inlet 8 is introduced into the heat exchanger core 2 through the pressurizing water pump 10 to carry out back flushing on the inside; a first control valve 11 is arranged on the first pipeline; and a washing water outlet 12 is formed in the bottom of the left end cover 3, a water outlet pipe 13 is connected to the washing water outlet 12, a second control valve 14 is mounted on the water outlet pipe 13, and after the second control valve 14 is opened, the washing water is discharged from the water outlet pipe 13.
And a water outlet is formed in the bottom of the right end cover 4, a threaded plug 15 is connected to the water outlet, and the water outlet is used for discharging residual water in the right end cover 4.
The outer rings of the left end cover 3 and the right end cover 4 are provided with a first flange connecting disc, two ends of the tube shell are provided with a second flange connecting disc, and the first flange connecting disc and the second flange connecting disc are fixedly connected through bolts and nuts; a sealing gasket 16 is arranged between the first flange connecting disk and the second flange connecting disk, and the sealing gasket 16 prevents the inside of the heat exchanger from leaking; the bottom of the pipe shell 1 is provided with a mounting seat 17, and the mounting seat 17 is used for mounting the heat exchanger and a ship.
The present invention is not limited to the embodiments described above, and those skilled in the art may make modifications or changes within the scope of the disclosure without departing from the spirit of the present invention, so that the scope of the present invention is defined by the appended claims.
Claims (6)
1. A corrosion-resistant sea and fresh water heat exchanger comprises a pipe shell, wherein a heat exchanger core is arranged in the pipe shell; a left end cover and a right end cover are respectively arranged on two sides of the tube shell, and the heat exchanger core is packaged inside the tube shell by the left end cover and the right end cover; a seawater inlet is processed on the side surface of the left end cover, and a seawater outlet is processed on the side surface of the right end cover; the shell side has been seted up the fresh water import, and the processing of shell bottom has the fresh water export, its characterized in that: a washing water inlet is formed in the oblique lower part of the right end cover; the inlet of the flushing water is connected with a pressurizing water pump through a pipeline, and the inlet side of the pressurizing water pump is connected with the fresh water inlet through a pipeline II and a three-way pipe; and a washing water outlet is formed in the bottom of the left end cover, and a water outlet pipe is connected to the washing water outlet.
2. A corrosion resistant sea water and fresh water heat exchanger according to claim 1, wherein: and a first control valve is arranged on the first pipeline.
3. A corrosion resistant sea water and fresh water heat exchanger according to claim 1, wherein: and a second control valve is arranged on the water outlet pipe.
4. A corrosion resistant sea water and fresh water heat exchanger according to claim 1, wherein: and a water outlet is formed in the bottom of the right end cover, and a threaded plug is connected to the water outlet.
5. A corrosion resistant sea water and fresh water heat exchanger according to claim 1, wherein: the outer rings of the left end cover and the right end cover are provided with a first flange connecting disc, two ends of the tube shell are provided with a second flange connecting disc, and the first flange connecting disc and the second flange connecting disc are fixedly connected through bolts and nuts; and a sealing gasket is arranged between the first flange connecting disc and the second flange connecting disc.
6. A corrosion resistant sea water and fresh water heat exchanger according to claim 1, wherein: and the bottom of the pipe shell is provided with a mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276015.5U CN216409864U (en) | 2021-12-24 | 2021-12-24 | Corrosion-resistant sea fresh water heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123276015.5U CN216409864U (en) | 2021-12-24 | 2021-12-24 | Corrosion-resistant sea fresh water heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216409864U true CN216409864U (en) | 2022-04-29 |
Family
ID=81285783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123276015.5U Active CN216409864U (en) | 2021-12-24 | 2021-12-24 | Corrosion-resistant sea fresh water heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216409864U (en) |
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2021
- 2021-12-24 CN CN202123276015.5U patent/CN216409864U/en active Active
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