CN215890176U - Cooling water supply and drainage system for offshore mobile platform generator set - Google Patents
Cooling water supply and drainage system for offshore mobile platform generator set Download PDFInfo
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- CN215890176U CN215890176U CN202121853603.8U CN202121853603U CN215890176U CN 215890176 U CN215890176 U CN 215890176U CN 202121853603 U CN202121853603 U CN 202121853603U CN 215890176 U CN215890176 U CN 215890176U
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- pipe
- connecting pipe
- cooling water
- generator set
- water supply
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- 239000000498 cooling water Substances 0.000 title claims abstract description 42
- 238000002347 injection Methods 0.000 claims abstract description 27
- 239000007924 injection Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 239000013535 sea water Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims 3
- 238000007710 freezing Methods 0.000 abstract 1
- 230000008014 freezing Effects 0.000 abstract 1
- 108010066114 cabin-2 Proteins 0.000 description 16
- 238000001816 cooling Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model provides a cooling water supply and drainage system for a generator set of an offshore mobile platform, wherein a water inlet of the generator set is communicated with a buffer cabin through an injection pipe, a water outlet of the generator set is connected with an outboard discharge pipe, one end of a first connecting pipe is connected with the buffer cabin and extends into the buffer cabin, the free end of the first connecting pipe is connected with one end of a hose, and the free end of the hose is connected with a submersible pump and wound on a reel; the system is additionally provided with a second connecting pipe, the first connecting pipe is communicated with the outboard discharge pipe through the second connecting pipe, and a remote control valve is arranged on the second connecting pipe; arrange the outboard tube and be close to generating set delivery port one end and be provided with first check valve, its free end is provided with the second check valve, and second connecting pipe and row outboard tube intercommunication department are located between first check valve and the second check valve. The utility model fully considers the consumption of the cooling water, reduces the use frequency of the submersible pump, can improve the temperature of the buffer cabin and reduce the risk of freezing and breaking of the cooling water pipe system in the low-temperature environment in winter.
Description
Technical Field
The utility model relates to a cooling water supply and drainage system for sea water cooling of a marine mobile platform generator set.
Background
Offshore mobile platforms are typically equipped with several generator sets, such as: the system comprises a main generator set, a mooring generator set, an emergency generator set and the like, wherein the generator sets need to absorb seawater for cooling in the operation process, and the platform can directly take water from a seawater tank for cooling the generator sets in a floating state and then discharge the water out of a ship board; when the platform is in a standing state, the seawater needs to be sucked by the submersible pump, stored in the buffer cabin for rotation, and then sucked from the buffer cabin for cooling.
The system does not consider the amount of cooling water when the platform is in a standing state, the submersible pump is always in an operating state, energy waste is caused, the submersible pump is dynamically immersed in surge for a long time, the submersible pump has the risk of falling off, the submersible pump always works, the connection hose of the submersible pump is easy to wear the bulkhead of the platform, and the service life of the platform is damaged.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a cooling water supply and drainage system for a marine mobile platform generator set, which combines internal circulation cooling water supply and drainage, fully considers the consumption of the cooling water, can reduce the use frequency of a submersible pump, further reduces the falling risk of the submersible pump, and reduces the abrasion of a connection hose of the submersible pump on the bulkhead of the platform; under the low temperature environment in winter, can improve the surge tank temperature, reduce the cold water pipe system ice and cut off the risk.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the cooling water supply and drainage system for the offshore mobile platform generator set comprises a buffer cabin, a submersible pump, a hose, a winch, a first connecting pipe, an injection pipe and an outer pipe of a shipboard; the water inlet of the generator set is communicated with the buffer cabin through the injection pipe, the water outlet of the generator set is connected with the outboard discharge pipe, one end of the first connecting pipe is connected with the buffer cabin and extends into the buffer cabin, the free end of the first connecting pipe is connected with one end of the hose, the free end of the hose is connected with the submersible pump, and the hose is wound on the reel; a second connecting pipe is additionally arranged in the cooling water supply and drainage system, the first connecting pipe is communicated with the outboard discharge pipe through the second connecting pipe, and a remote control valve is arranged on the second connecting pipe; arrange the outboard pipe and be close to generating set delivery port one end is provided with first check valve, it is provided with the second check valve to arrange the outboard pipe free end, the second connecting pipe with arrange the outboard pipe intercommunication department and be located between first check valve and the second check valve.
Further, in the cooling water supply and drainage system, a high-level liquid level switch and a low-level liquid level switch are arranged inside the buffer cabin, and the installation height of the high-level liquid level switch is higher than that of the low-level liquid level switch. Preferably, the low level switch is mounted in the buffer chamber in the range of five to sixty percent of the height, the high level switch is mounted in the buffer chamber in the range of fifty to ninety-five percent of the height,
further, in the cooling water supply and drainage system, the first connecting pipe is provided with a pressure gauge valve, a first communicating valve, a seawater filter and a second communicating valve in sequence from the vicinity of the free end to the connecting end with the buffer cabin, and the communicating part of the second connecting pipe and the first connecting pipe is located between the first communicating valve and the second communicating valve.
Further, in the cooling water supply and drainage system, the injection pipe is provided with a thermometer, and the thermometer is arranged at a position close to a water inlet of the generator set. Furthermore, a third communicating valve is arranged on the injection pipe, the third communicating valve is arranged on the front side of the thermometer, and the thermometer is arranged between the third communicating valve and the water inlet of the generator set.
Further, an injection port of the first connecting pipe in the buffer cabin is far away from a suction port of the injection pipe in the buffer cabin; the suction inlet of the injection pipe in the buffer cabin is close to the bottom of the buffer cabin.
The utility model has the beneficial effects that:
the novel cooling water supply and drainage system is adopted, a second connecting pipe is additionally arranged in the cooling water supply and drainage system, the first connecting pipe is communicated with the outboard discharge pipe through the second connecting pipe, and a remote control valve is arranged on the second connecting pipe; arrange the outboard pipe and be close to generating set delivery port one end is provided with first check valve, it is provided with the second check valve to arrange the outboard pipe free end, the second connecting pipe with arrange the outboard pipe intercommunication department and be located between first check valve and the second check valve. The cooling water supply and drainage system can realize internal circulation of cooling water under the condition of fully considering the consumption of the cooling water, can effectively reduce the use frequency of the submersible pump, further reduce the falling risk of the submersible pump and reduce the abrasion of a connecting hose of the submersible pump on the bulkhead of the platform; under the low temperature environment in winter, can improve the surge tank temperature, reduce the frozen risk of cutting off a river of cooling water pipe system.
Drawings
The drawings in the following description are only one embodiment of the utility model, and other drawings can be derived from those drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure, each identification number is represented as: 1. a generator set; 2. a buffer cabin; 3. a submersible pump; 4. a hose; 5. a winch; 61. a first connecting pipe; 62. an injection pipe; 63. a side discharge outer pipe; 64. a second connecting pipe; 7. a remote control valve; 81. a first check valve; 82. a second check valve; 91. a high level liquid level switch; 92. a low level liquid level switch; 10. a pressure gauge valve; 11. a first communication valve; 12. a second communicating valve; 13. a thermometer; 14. a third communicating valve; 20. a seawater filter.
Detailed Description
In order to make the technical means, the creation features, the achievement objects and the technical effects of the utility model easy to understand, the utility model is further described with reference to the specific drawings.
Referring to fig. 1, the utility model relates to a cooling water supply and drainage system for a generator set of an offshore mobile platform, which comprises at least one set of generator set 1, a buffer cabin 2, a submersible pump 3, a hose 4, a winch 5, a first connecting pipe 61, an injection pipe 62 and a shipboard outer pipe 63; the cooling water inlet of the generator set 1 is communicated with the buffer cabin 2 through the injection pipe 62, so as to better supply water to the generator set 1, the suction inlet of the injection pipe 62 in the buffer cabin 2 is as close to the bottom of the buffer cabin 2 as possible, the cooling water outlet of the generator set 1 is connected with the outboard discharge pipe 63, one end of the first connecting pipe 61 is connected with the buffer cabin 2 and extends into the buffer cabin 2, the free end of the first connecting pipe 61 is connected with one end of the hose 4, the free end of the hose 4 is connected with the submersible pump 3, and the hose 4 is wound on the reel 5; the reel 5 is usually fixed at the side position of the main deck of the offshore mobile platform, when the offshore mobile platform takes water in a standing state, the reel 5 is rotated, the hose 4 wound on the reel is lowered along the side until the hose is submerged, and then the submersible pump 3 is submerged together with the hose 4, and the submersible pump 3 is generally positioned at a depth of at least five meters below the water surface.
Referring to fig. 1, a second connecting pipe 64 is additionally arranged in the cooling water supply and drainage system, the first connecting pipe 61 is communicated with the exhaust side outer pipe 63 through the second connecting pipe 64, and a remote control valve 7 is arranged on the second connecting pipe 64; the row's board outer tube 63 is close to generating set 1 delivery port one end is provided with first check valve 81, row's board outer tube 63 free end is provided with second check valve 82, second connecting pipe 64 with row's board outer tube 63 intercommunication department is located between first check valve 81 and the second check valve 82.
Referring to fig. 1, the first connection pipe 61 is provided with a pressure gauge valve 10, a first communication valve 11, a seawater filter 20 and a second communication valve 12 in sequence from a position near a free end to a position connected with the buffer cabin 2, and the second connection pipe 64 is located between the first communication valve 11 and the second communication valve 12 at a position communicated with the first connection pipe 61.
When the offshore mobile platform is in duty operation at night, because the number of running equipment on the platform is small, the cooling water consumption is small, at the moment, the second check valve 82 is closed, the remote control valve 7 is opened, and the used cooling water flowing out of the generator set 1 through the outboard discharge pipe 63 returns to the first connecting pipe 61 through the second connecting pipe 64 and then returns to the buffer cabin 2.
An injection port of the first connecting pipe 61 in the buffer cabin 2 is arranged at an upper position in the middle of the buffer cabin 2 in the height direction and should go deep into the liquid surface of the buffer cabin 2, and the injection port of the first connecting pipe 61 in the buffer cabin 2 is far away from a suction port of the injection pipe 62 in the buffer cabin 2. In this way, the influence of the used cooling water on the temperature of the water in the original buffer tank when the used cooling water flows back to the buffer tank 2 can be reduced as much as possible. When the water temperature is higher, the density is lower, so that the used cooling water can be positioned above the unused cooling water, and the temperature is slowly reduced depending on the ambient environment so as to be used continuously.
Referring to fig. 1, a high level switch 91 and a low level switch 92 are disposed inside the buffer chamber 2, the low level switch 92 is installed in the buffer chamber 2 within a range of five to sixty percent of height, the high level switch 91 is installed in the buffer chamber 2 within a range of fifty to ninety-five percent of height, and the high level switch 91 is installed at a height higher than the low level switch 92. When the liquid level in the buffer cabin 2 is lower than the low level liquid level switch 92, the submersible pump 3 is started to inject water into the buffer cabin 2 until the liquid level reaches the position of the high level liquid level switch 91, the submersible pump 3 is closed, and the water injection into the buffer cabin 2 is stopped. The high level switch 91 and the low level switch 92 can be connected to the submersible pump 3 by a line, so as to realize automatic control, which is well known in the art and will not be described herein again.
Referring to fig. 1, a thermometer 13 is arranged on the injection pipe 62, and the thermometer 13 is arranged near the water inlet of the generator set 1. The thermometer 13 is configured to monitor the cooling water injected into the generator set 1 through the injection pipe 62, and when the temperature of the cooling water reaches an alarm temperature, the remote control valve 7 is closed, the internal circulation function of the cooling water supply and drainage system is stopped, and the second check valve 82 is opened to start outboard drainage.
Referring to fig. 1, a third communication valve 14 is disposed on the injection pipe 62, and the third communication valve 14 is installed in front of the thermometer 13, that is, the thermometer 13 is installed between the third communication valve 14 and the water inlet of the generator set 1. The third communicating valve 14 is used for closing the pipeline of the injection pipe 62 at any time.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The cooling water supply and drainage system for the offshore mobile platform generator set comprises a buffer cabin (2), a submersible pump (3), a hose (4), a winch (5), a first connecting pipe (61), an injection pipe (62) and a shipboard outer pipe (63); a water inlet of the generator set (1) is communicated with the buffer cabin (2) through the injection pipe (62), a water outlet of the generator set (1) is connected with the outer tube (63) on the shipboard, one end of the first connecting pipe (61) is connected with the buffer cabin (2) and extends into the buffer cabin (2), the free end of the first connecting pipe (61) is connected with one end of the hose (4), the free end of the hose (4) is connected with the submersible pump (3), and the hose (4) is wound on the winch (5); the method is characterized in that: a second connecting pipe (64) is additionally arranged in the cooling water supply and drainage system of the offshore mobile platform generator set, the first connecting pipe (61) is communicated with the exhaust outer pipe (63) through the second connecting pipe (64), and a remote control valve (7) is arranged on the second connecting pipe (64); the exhaust side outer pipe (63) is close to one end of a water outlet of the generator set (1) is provided with a first check valve (81), the free end of the exhaust side outer pipe (63) is provided with a second check valve (82), and a second connecting pipe (64) is communicated with the exhaust side outer pipe (63) and is located between the first check valve (81) and the second check valve (82).
2. The cooling water supply and drainage system for the marine mobile platform generator set according to claim 1, wherein a high-level liquid level switch (91) and a low-level liquid level switch (92) are arranged inside the buffer tank (2), and the installation height of the high-level liquid level switch (91) is higher than that of the low-level liquid level switch (92).
3. The cooling water supply and drainage system for the offshore mobile platform generator set according to claim 1, wherein a pressure gauge valve (10), a first communication valve (11), a seawater filter (20) and a second communication valve (12) are sequentially arranged on the first connection pipe (61) from the vicinity of a free end to the connection end with the buffer cabin (2), and the communication position of the second connection pipe (64) and the first connection pipe (61) is located between the first communication valve (11) and the second communication valve (12).
4. The offshore mobile platform generator set cooling water supply and drainage system according to claim 1, wherein a thermometer (13) is arranged on the injection pipe (62), and the thermometer (13) is installed close to a water inlet of the generator set (1).
5. Offshore mobile platform power unit cooling water supply and drainage system according to claim 1, characterized by the fact that the injection opening of the first connection pipe (61) in the buffer compartment (2) is far from the suction opening of the injection pipe (62) in the buffer compartment (2); the suction inlet of the injection pipe (62) in the buffer cabin (2) is close to the bottom of the buffer cabin (2).
6. The offshore mobile platform power generation unit cooling water supply and drainage system set forth in claim 2 wherein the low level switch (92) is mounted in the buffer tank (2) at a height range of five to sixty percent and the high level switch (91) is mounted in the buffer tank (2) at a height range of fifty to ninety-five percent.
7. The offshore mobile platform power generation unit cooling water supply and drainage system of claim 4, wherein a third communication valve (14) is arranged on the injection pipe (62), the third communication valve (14) is arranged on the front side of the thermometer (13), and the thermometer (13) is arranged between the third communication valve (14) and a water inlet of the power generation unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121853603.8U CN215890176U (en) | 2021-08-10 | 2021-08-10 | Cooling water supply and drainage system for offshore mobile platform generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121853603.8U CN215890176U (en) | 2021-08-10 | 2021-08-10 | Cooling water supply and drainage system for offshore mobile platform generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215890176U true CN215890176U (en) | 2022-02-22 |
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ID=80502262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121853603.8U Active CN215890176U (en) | 2021-08-10 | 2021-08-10 | Cooling water supply and drainage system for offshore mobile platform generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215890176U (en) |
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2021
- 2021-08-10 CN CN202121853603.8U patent/CN215890176U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 997, gudun Road, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province, 310030 Patentee after: Zhejiang East China Geotechnical Survey and Design Institute Co.,Ltd. Address before: No. 997, gudun Road, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province, 310030 Patentee before: ZHEJIANG HUADONG CONSTRUCTION ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |