CN115973399A - Anti-freezing system for ballast tank of ship - Google Patents
Anti-freezing system for ballast tank of ship Download PDFInfo
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- CN115973399A CN115973399A CN202211569583.0A CN202211569583A CN115973399A CN 115973399 A CN115973399 A CN 115973399A CN 202211569583 A CN202211569583 A CN 202211569583A CN 115973399 A CN115973399 A CN 115973399A
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- pipeline
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- ballast tank
- cooling pump
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- 238000007710 freezing Methods 0.000 title claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000013535 sea water Substances 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims description 4
- 230000002528 anti-freeze Effects 0.000 claims 4
- 108010053481 Antifreeze Proteins Proteins 0.000 claims 2
- 230000008014 freezing Effects 0.000 abstract description 7
- 239000002918 waste heat Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Physical Water Treatments (AREA)
Abstract
A ship ballast tank anti-freezing system is characterized in that a first pipeline is communicated with a seawater pipe, a first valve and a first cooling pump are arranged on the first pipeline, a second pipeline is communicated with the seawater pipe, a second valve and a second cooling pump are arranged on the second pipeline, a third pipeline is communicated with the seawater pipe, a third valve and a third cooling pump are arranged on the third pipeline, the first pipeline, the second pipeline and the third pipeline are converged and then divided into two paths, one path is communicated with an input end of a first generator central cooler, the other path is communicated with an input end of a second generator central cooler, an output end of the first generator central cooler is divided into two paths, an output end of the second generator central cooler is divided into two paths, the bottom of a left ballast tank is communicated with a left water drainage pipe, the left water drainage pipe is divided into two paths, the bottom of a right ballast tank is communicated with a right water drainage pipe, and the right water drainage pipe is divided into two paths. The system heats the ballast water by utilizing waste heat generated by the ship main generator, prevents the ballast water from freezing, and further improves the antifreezing capacity of the ballast tank.
Description
Technical Field
The invention relates to the technical field of ships, in particular to an anti-freezing system for a ship ballast tank.
Background
The ballast system is widely applied to various ships and offshore platforms, is used for adjusting the gravity center position, the floating state and the stability of the ships, is favorable for improving the stability of the ships and the offshore platforms during ballast navigation or towing, reduces the deformation of the ship body, avoids generating overlarge bending moment and shearing stress, reduces the vibration of the ship body, improves the airworthiness of an empty cabin, reduces the vibration of the ship body and a shafting, and avoids violent swinging in stormy waves. In winter or in severe cold areas when ships are sailed, the ballast water in the ballast tank needs to be subjected to anti-freezing treatment to avoid freezing and lose the function of a ballast system. At present, the anti-freezing technology of the ballast tank is generally adopted, namely compressed air is blown into the ballast tank through a bubble anti-freezing pipeline, the surface of seawater can be fluctuated through the movement of bubbles in the ballast water, the freezing speed of the ballast water in the ballast tank is reduced, and the seawater in the tank can generate certain flow in the movement process of the bubbles, so that the function of reducing the freezing speed of the ballast water in the ballast tank is also realized. Traditional bubble anti-freezing technique is in the in-service use in-process, and the effect is not showing, especially in the lower ice zone sea area of temperature, because the upper portion of ballast tank generally all is located more than the waterline, the sea water kinetic energy that the bubble formed, be not enough to withstand the heat that the temperature reduces the loss completely, the interior sea water of ballast tank still can outside-in, from the top down slowly freezes, can't adjust the boats and ships ballast and probably cause the cabin to damage after the ballast water freezes to influence boats and ships safety, lead to the unable normal navigation of boats and ships. In this regard, there is a need for improvements in the prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an anti-freezing system for a ship ballast tank, which can effectively prevent ballast water in the ballast tank from freezing.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an anti-freezing system for a ballast tank of a ship,
the sea water pipe penetrates into the sea through a sea chest, one end of a first pipeline is communicated with the sea water pipe, a first valve, a first cooling pump and a first check valve are sequentially arranged on the first pipeline along the water flowing direction, one end of a second pipeline is communicated with the sea water pipe, a second valve, a second cooling pump and a second check valve are sequentially arranged on the second pipeline along the water flowing direction, one end of a third pipeline is communicated with the sea water pipe, a third valve, a third cooling pump and a third check valve are sequentially arranged on the third pipeline along the water flowing direction, the other end of the first pipeline, the other end of the second pipeline and the other end of the third pipeline are converged and then divided into two paths, one path is communicated with the input end of a first generator central cooler through a fourth pipeline, and the other path is communicated with the input end of a second generator central cooler through a fifth pipeline;
the output end of the central cooler of the first generator is divided into two paths, one path of the output end extends into the sea through a sixth pipeline, a fourth valve is installed on the sixth pipeline, the other path of the output end extends into the left ballast tank through a seventh pipeline, and a fifth valve is installed on the seventh pipeline;
the output end of the central cooler of the second generator is divided into two paths, one path extends into the sea through an eighth pipeline, a sixth valve is installed on the eighth pipeline, the other path extends into the right ballast tank through a ninth pipeline, and a seventh valve is installed on the ninth pipeline;
the bottom of the left ballast tank is communicated with a left water drainage pipe, the left water drainage pipe is divided into two paths, one path is communicated with a pipeline between the first valve and the first cooling pump through a tenth pipeline, an eighth valve is arranged on the tenth pipeline, the other path is communicated with a pipeline between the second valve and the second cooling pump through an eleventh pipeline, and a ninth valve is arranged on the eleventh pipeline;
the bottom of the right ballast tank is communicated with a right water discharge pipe, the right water discharge pipe is divided into two paths, one path is communicated with a pipeline between the third valve and the third cooling pump through a twelfth pipeline, the twelfth pipeline is provided with a tenth valve, the other path is communicated with a pipeline between the second valve and the second cooling pump through a thirteenth pipeline, and the thirteenth pipeline is provided with an eleventh valve.
Preferably, both ends of the seawater pipe penetrate into the sea through a sea chest, and the first pipeline, the second pipeline and the third pipeline are sequentially arranged along the length direction of the seawater pipe.
Preferably, the left ballast tank comprises a plurality of left ballast tank bodies in communication.
Preferably, the right ballast tank comprises a plurality of right ballast tank bodies in communication.
Preferably, the fifth valve, the seventh valve, the eighth valve and the tenth valve are all manual valves.
Preferably, the first valve, the second valve, the third valve, the fourth valve, the sixth valve, the ninth valve and the eleventh valve are all electrically operated valves.
Compared with the prior art, the invention has the following beneficial effects:
the anti-freezing system for the ship ballast tank, disclosed by the invention, can be used for heating ballast water by utilizing waste heat generated by a ship main generator to prevent the ballast water from being frozen, and can be combined with a bubble anti-freezing technology to deal with an extremely cold environment, so that the anti-freezing capacity of the ballast tank is further improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a block diagram of the system of the present invention.
In the figure: 1. a sea water pipe; 2. a first pipeline; 3. a second pipeline; 4. a third pipeline; 5. a first valve; 6. a first cooling pump; 7. a first check valve; 8. a second valve; 9. a second cooling pump; 10. a second check valve; 11. a third valve; 12. a third cooling pump; 13. a third check valve; 14. a fourth pipeline; 15. a first generator central cooler; 16. a fifth pipeline; 17. a second generator center cooler; 18. a sixth pipeline; 19. a fourth valve; 20. a seventh pipeline; 21. a left ballast tank; 22. a fifth valve; 23. an eighth pipeline; 24. a sixth valve; 25. a ninth conduit; 26. a right ballast tank; 27. a seventh valve; 28. a left drain pipe; 29. a tenth pipeline; 30. an eighth valve; 31. an eleventh line; 32. a ninth valve 33, a right drain pipe; 34. a twelfth pipeline; 35. a tenth valve; 36. a thirteenth pipeline; 37. an eleventh valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
In addition, in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, a preferred embodiment of the present invention provides an anti-freezing system for a ballast tank of a ship, which has the following specific structure:
the two ends of the seawater pipe 1 penetrate into the sea through a sea chest respectively for pumping seawater, and the first pipeline 2, the second pipeline 3 and the third pipeline 4 are arranged along the length direction of the seawater pipe in sequence.
Specifically, one end of the first pipeline 2 is communicated with the seawater pipe 1, and a first valve 5, a first cooling pump 6 and a first check valve 7 are sequentially arranged on the first pipeline 2 along the water flowing direction. One end of the second pipeline 3 is communicated with the seawater pipe 1, a second valve 8, a second cooling pump 9 and a second check valve 10 are sequentially arranged on the second pipeline 3 along the water flowing direction, one end of the third pipeline 4 is communicated with the seawater pipe 1, and a third valve 11, a third cooling pump 12 and a third check valve 13 are sequentially arranged on the third pipeline 4 along the water flowing direction.
The other end of the first pipeline 2, the other end of the second pipeline 3 and the other end of the third pipeline 4 are converged and then divided into two paths through a tee joint, wherein one path is communicated with the input end of a first generator central cooler 15 through a fourth pipeline 14, and the other path is communicated with the input end of a second generator central cooler 17 through a fifth pipeline 16. The first generator central cooler 15 and the second generator central cooler 17 are both used for heat dissipation and cooling of the main generator of the ship.
The output end of the first generator central cooler 15 is divided into two paths by a tee joint, wherein one path extends into the sea through a sixth pipeline 18, a fourth valve 19 is installed on the sixth pipeline 18, the other path extends into a left ballast tank 21 through a seventh pipeline 20, and a fifth valve 22 is installed on the seventh pipeline 20.
The output end of the second generator central cooler 17 is divided into two paths by a tee joint, wherein one path extends into the sea through an eighth pipeline 23, a sixth valve 24 is installed on the eighth pipeline 23, the other path extends into a right ballast tank 26 through a ninth pipeline 25, and a seventh valve 27 is installed on the ninth pipeline 25.
The bottom of the left ballast tank 21 is communicated with a left water discharge pipe 28, the left water discharge pipe 28 is divided into two paths by a tee joint, one path is communicated with a pipeline between the first valve 5 and the first cooling pump 6 through a tenth pipeline 29, an eighth valve 30 is installed on the tenth pipeline 29, the other path is communicated with a pipeline between the second valve 8 and the second cooling pump 9 through an eleventh pipeline 31, and a ninth valve 32 is installed on the eleventh pipeline 31.
Wherein, the left ballast tank 21 comprises a plurality of left ballast tank bodies which are communicated with each other and are reasonably arranged at different positions of the ship body.
The bottom of the right ballast tank 26 is communicated with a right drain pipe 33, the right drain pipe 33 is divided into two paths by a tee joint, one path is communicated with a pipeline between the third valve 11 and the third cooling pump 12 through a twelfth pipeline 34, a tenth valve 35 is installed on the twelfth pipeline 34, the other path is communicated with a pipeline between the second valve 8 and the second cooling pump 9 through a thirteenth pipeline 36, and an eleventh valve 37 is installed on the thirteenth pipeline 36.
Wherein, the right ballast tank 26 comprises a plurality of right ballast tank bodies communicated with each other and reasonably arranged at different positions of the ship body.
Further, the fifth valve 22, the seventh valve 27, the eighth valve 30 and the tenth valve 35 are all manual valves, and the first valve 5, the second valve 8, the third valve 11, the fourth valve 19, the sixth valve 24, the ninth valve 32 and the eleventh valve 37 are all electric valves.
The use principle of the anti-freezing system for the ballast tank of the ship is explained as follows:
when the ship sails in summer or in a sea area with higher temperature, the first valve 5, the second valve 8, the fourth valve 19 and the sixth valve 24 are opened, and the first cooling pump 6 and the second cooling pump 9 are started. Wherein: the third valve 11, the fifth valve 22, the seventh valve 27, the eighth valve 30, the ninth valve 32, the tenth valve 35, and the eleventh valve 37 are all in the closed state, and the third cooling pump 12 is in the stopped state.
The seawater with lower temperature in the sea is pumped to the first generator central cooler 15 and the second generator central cooler 17 through the first cooling pump 6 and the second cooling pump 9 for heat exchange, so that heat dissipation and cooling are performed on the main generator of the ship, and then the seawater with higher temperature after heat exchange is discharged into the sea and circulates.
When sailing in winter or in severe cold sea areas, the fifth valve 22, the seventh valve 27, the eighth valve 30, the ninth valve 32, the tenth valve 35 and the eleventh valve 37 are opened, and the first cooling pump 6 and the second cooling pump 9 are started. Wherein: the first valve 5, the second valve 8, the third valve 11, the fourth valve 19, and the sixth valve 24 are all in the closed state, and the third cooling pump 12 is in the shutdown state.
The seawater with lower temperature in the left ballast tank 21 and the right ballast tank 26 is pumped to the first generator central cooler 15 and the second generator central cooler 17 through the first cooling pump 6 and the second cooling pump 9 for heat exchange, the heat of the main generator of the ship is dissipated and cooled, and then the seawater with higher temperature after heat exchange is discharged into the left ballast tank 21 and the right ballast tank 26 and circulates. The ballast water is heated by the heat generated by the operation of the ship main generator, so that the ballast water is prevented from freezing.
It should be noted that the third cooling pump 12 is in standby, and when the first cooling pump 6 or the second cooling pump 9 fails, the third cooling pump 12 is started and corresponding valves are synchronously opened or closed.
In summary, the anti-freezing system for the ballast tank of the ship according to the embodiment of the invention heats the ballast water by using the waste heat generated by the main generator of the ship to prevent the ballast water from freezing, and can be used in combination with the bubble anti-freezing technology to cope with the extremely cold environment, thereby further improving the anti-freezing capability of the ballast tank.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. An anti-freezing system for a ballast tank of a ship,
the sea water pipe penetrates into the sea through a sea chest, one end of a first pipeline is communicated with the sea water pipe, a first valve, a first cooling pump and a first check valve are sequentially arranged on the first pipeline along the water flowing direction, one end of a second pipeline is communicated with the sea water pipe, a second valve, a second cooling pump and a second check valve are sequentially arranged on the second pipeline along the water flowing direction, one end of a third pipeline is communicated with the sea water pipe, a third valve, a third cooling pump and a third check valve are sequentially arranged on the third pipeline along the water flowing direction, the other end of the first pipeline, the other end of the second pipeline and the other end of the third pipeline are converged and then divided into two paths, one path is communicated with the input end of a first generator central cooler through a fourth pipeline, and the other path is communicated with the input end of a second generator central cooler through a fifth pipeline;
the output end of the central cooler of the first generator is divided into two paths, one path extends into the sea through a sixth pipeline, a fourth valve is installed on the sixth pipeline, the other path extends into the left ballast tank through a seventh pipeline, and a fifth valve is installed on the seventh pipeline;
the output end of the central cooler of the second generator is divided into two paths, one path extends into the sea through an eighth pipeline, a sixth valve is installed on the eighth pipeline, the other path extends into the right ballast tank through a ninth pipeline, and a seventh valve is installed on the ninth pipeline;
the bottom of the left ballast tank is communicated with a left water drainage pipe, the left water drainage pipe is divided into two paths, one path is communicated with a pipeline between the first valve and the first cooling pump through a tenth pipeline, an eighth valve is arranged on the tenth pipeline, the other path is communicated with a pipeline between the second valve and the second cooling pump through an eleventh pipeline, and a ninth valve is arranged on the eleventh pipeline;
the bottom of the right ballast tank is communicated with a right water discharge pipe, the right water discharge pipe is divided into two paths, one path is communicated with a pipeline between the third valve and the third cooling pump through a twelfth pipeline, the twelfth pipeline is provided with a tenth valve, the other path is communicated with a pipeline between the second valve and the second cooling pump through a thirteenth pipeline, and the thirteenth pipeline is provided with an eleventh valve.
2. The anti-freezing system for the ballast tank of the ship as claimed in claim 1, wherein both ends of the seawater tube are inserted into the sea through a sea chest, and the first, second and third pipelines are sequentially arranged along the length direction of the seawater tube.
3. The anti-freeze system for ballast tanks of ships according to claim 1, wherein said left ballast tank comprises a plurality of left ballast tank bodies in communication.
4. The anti-freeze system for ballast tanks of ships according to claim 1, wherein said right ballast tank comprises a plurality of right ballast tank bodies in communication.
5. The antifreeze system for ballast tanks of ships of claim 1, wherein said fifth, seventh, eighth and tenth valves are manual valves.
6. The antifreeze system for ballast tanks of ships of claim 1, wherein said first, second, third, fourth, sixth, ninth and eleventh valves are electrically operated valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211569583.0A CN115973399B (en) | 2022-12-08 | 2022-12-08 | Anti-freezing system for ballast tank of ship |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211569583.0A CN115973399B (en) | 2022-12-08 | 2022-12-08 | Anti-freezing system for ballast tank of ship |
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| CN115973399A true CN115973399A (en) | 2023-04-18 |
| CN115973399B CN115973399B (en) | 2024-06-11 |
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|---|---|
| CN115973399B (en) | 2024-06-11 |
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