CN112208727B - Seawater cooling method and system for whole-course lifting test of self-elevating platform - Google Patents
Seawater cooling method and system for whole-course lifting test of self-elevating platform Download PDFInfo
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- CN112208727B CN112208727B CN202011147225.1A CN202011147225A CN112208727B CN 112208727 B CN112208727 B CN 112208727B CN 202011147225 A CN202011147225 A CN 202011147225A CN 112208727 B CN112208727 B CN 112208727B
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- seawater
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- 239000013535 sea water Substances 0.000 title claims abstract description 135
- 238000001816 cooling Methods 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 138
- 238000005352 clarification Methods 0.000 claims abstract description 19
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 abstract description 6
- 230000004048 modification Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
Abstract
The invention discloses a seawater cooling method and a seawater cooling system for a whole-course lifting test of a self-elevating platform, wherein when a ship is in a draught state, a sea chest is opened, and seawater is supplied to a seawater clarification tank and each ballast water tank through a seawater main pipe and a ballast water pump; when the ship is in a lifting state, the sea floor door is closed and separated from the sea surface, water in each ballast water tank is sequentially and alternately sent to a seawater clarification tank through a ballast water pump and is sent to equipment needing seawater cooling through a seawater main pipe and a seawater cooling pump, and the heated seawater flows back to the ballast water tanks to form circulation; when the seawater in the seawater clarification tank reaches the set temperature, the next ballast water tank provides cooling seawater. By adopting the invention, the supply of the platform whole-course lifting cooling seawater in the shipyard harbor pool can be ensured, the whole-course lifting debugging work is completed, the condition that huge cost is consumed to go to the open sea for debugging is avoided, the modification amount of the original platform pipeline system is small, the implementation cost of the scheme is low, and the whole-course lifting debugging time and the whole-course lifting debugging cost of the platform are saved.
Description
Technical Field
The invention belongs to the technical field of installation and debugging of a self-elevating platform, and particularly relates to a seawater cooling method and system for a whole-course lifting test of the self-elevating platform.
Background
After the self-elevating platform is built, a shipyard needs to perform a whole-course platform lifting test so as to verify the feasibility and reliability of the operation of the lifting system equipment. And in the whole lifting test, namely after the platform finishes pile standing, the main hull of the platform is lifted to the highest point of the pile legs from the floating draft state through the lifting system and then is lowered to the floating draft state from the highest point of the pile legs. Because the depth of water in the shipyard harbor basin is limited, in order to carry out the whole-course lifting test closest to the theoretical design state, the platform must be towed to the designed depth of water, so that a large amount of manpower, material resources and financial resources are consumed. When the whole-course lifting test is carried out on the harbor basin, the platform leaves the water surface for up to 50 meters or even higher, a seawater lifting system designed by the platform only meets the requirement of seawater supply under the design working condition, and the prerequisite condition that the whole-course lifting system is carried out on the harbor basin of the shipyard is to solve the problem of the supply of platform cooling seawater.
Disclosure of Invention
The invention aims to provide a seawater cooling method and a seawater cooling system for a whole-course lifting test of a self-elevating platform, which can ensure that the whole-course lifting cooling seawater supply of the platform is carried out in a shipyard harbor pool, complete the whole-course lifting debugging work, avoid the condition of consuming huge resources to go to the open sea for debugging, have small modification amount on an original platform pipeline system, have low implementation cost of a scheme and save the whole-course lifting debugging time and cost of the platform.
In order to achieve the above object, one aspect of the present invention provides a seawater cooling method for a whole-stroke lifting test of a self-elevating platform, wherein when a ship is in a draught state, a sea bottom door is opened, and seawater is supplied to a seawater clarification tank and each ballast water tank through a seawater main pipe and a ballast water pump; when the ship is in a lifting state, the sea floor door is closed and separated from the sea surface, water in each ballast water tank is sequentially and alternately sent to a seawater clarification tank through a ballast water pump and is sent to equipment needing seawater cooling through a seawater main pipe and a seawater cooling pump, and the heated seawater flows back to the ballast water tanks to form circulation; when the seawater in the seawater clarification tank reaches the set temperature, the next ballast tank provides cooling seawater.
The invention provides a seawater cooling system for a whole-course lifting test of a self-elevating platform, which comprises a sea chest, a seawater main pipe, a ballast water pump, a seawater cooling pump, a seawater clarifying tank, a plurality of ballast water tanks, equipment needing seawater cooling and pipelines for connecting all the components, wherein the sea chest is provided with a plurality of seawater cooling tanks; the subsea door is connected to the water inlet end of the seawater main pipe through a first pipeline and a first valve; the first water outlet end of the seawater main pipe is connected to the water inlet end of the ballast water pump through a second pipeline and a second valve; the water outlet end of the ballast water pump is connected to the water inlet ends of the seawater clarification tanks through a third pipeline and a third valve, and is connected to the water inlet ends of the ballast water tanks through a ballast water inlet main pipe and a ballast water inlet branch pipe, and the ballast water inlet branch pipe is provided with a water inlet valve; the water outlet end of each ballast water tank is connected to the second pipeline through a ballast water outlet branch pipe and a ballast water outlet main pipe by-pass, and a water outlet valve is arranged on the ballast water outlet branch pipe; the water outlet end of the seawater clarification tank is connected to the water inlet end of the seawater main pipe through a fourth pipeline and a fourth valve; the second water outlet end of the seawater main pipe is connected to the water inlet end of the seawater cooling pump through a fifth pipeline and a fifth valve; the water outlet end of the seawater cooling pump is connected to the water inlet end of the equipment needing seawater cooling through a cooling pipeline; and the water outlet end of the equipment needing seawater cooling is connected to the ballast water inlet main pipe through a sixth pipeline and a sixth valve in a bypass mode.
As a preferable mode of the seawater cooling system, the number of the ballast water tanks is 4.
As a preferable solution of the above seawater cooling system, the seawater cooling system includes a first outboard drain pipe and a first drain valve provided on the first outboard drain pipe, a water inlet end of the first outboard drain pipe is connected to the third pipeline in a bypass manner, and a water outlet end of the first outboard drain pipe extends outboard.
As a preferable aspect of the above seawater cooling system, the seawater cooling system includes a second outboard drain pipe and a second drain valve provided on the second outboard drain pipe, a water inlet end of the second outboard drain pipe is connected to the sixth pipeline in a bypass manner, and a water outlet end of the second outboard drain pipe extends to the outboard side.
Compared with the prior art, the seawater cooling method for the whole-course lifting test of the self-elevating platform has the beneficial effects that:
according to the invention, the ballast system and the seawater cooling system of the platform are optimized, so that seawater in the ballast water tank can be conveyed to the seawater cooling system, high-temperature seawater generated by the seawater cooling system is discharged into the ballast water tank for cooling, and the seawater is recycled, thereby ensuring that the seawater is supplied for the whole-process lifting cooling of the platform in the harbor pool of the shipyard, completing the whole-process lifting debugging work, avoiding the condition of consuming huge resources to go to the open sea for debugging, having small modification amount on the original platform pipeline system, having low implementation cost of the scheme, and saving the whole-process lifting debugging time and cost of the platform.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic diagram of a seawater cooling system for a whole-stroke lifting test of a jack-up platform provided by the invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the machine or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1, in a preferred embodiment of the present invention, a seawater cooling method for a whole-stroke elevating test of a jack-up platform, when a ship is in a draught state, a sea chest 1 is opened, and seawater is supplied to a seawater clarification tank 4 and each ballast tank 5 through a seawater main pipe 2 and a ballast water pump 3; when the ship is in a lifting state, the sea bottom door 1 is closed and separated from the sea surface, water in each ballast water tank 5 is sequentially and alternately sent to a seawater clarification tank 4 through a ballast water pump 3 and is sent to equipment 7 needing seawater cooling through a seawater main pipe 2 and a seawater cooling pump 6, and the heated seawater flows back to the ballast water tanks 5 to form circulation; when the seawater in the seawater clarification tank 4 reaches the set temperature, the next ballast water tank 5 provides cooling seawater.
According to the seawater cooling method for the whole-course lifting test of the self-elevating platform, provided by the invention, the ballast system and the seawater cooling system of the platform are optimized, so that seawater in the ballast water tank 5 can be conveyed to the seawater cooling system, high-temperature seawater generated by the seawater cooling system is discharged into the ballast water tank 5 for cooling, and is recycled, the whole-course lifting cooling seawater supply of the platform in a shipyard harbor pool is ensured, the whole-course lifting debugging work is completed, the condition that huge resources are consumed to go to the far sea for debugging is avoided, the modification amount of an original platform pipeline system is small, the implementation cost of a scheme is low, and the whole-course lifting debugging time and the cost of the platform are saved.
It should be noted that, during design, the cooling seawater consumption of all the devices in the whole lifting time of the platform needs to be calculated, and the extra weight capable of being carried is calculated by the lifting load of the platform and the weight of the empty ship and compared with the cooling seawater consumption, so as to judge the portable seawater quantity.
In order to better implement the seawater cooling method, the invention also provides a seawater cooling system for the whole-course lifting test of the self-elevating platform, which comprises a sea chest 1, a seawater main pipe 2, a ballast water pump 3, a seawater clarification tank 4, a plurality of ballast water tanks 5, a seawater cooling pump 6, equipment 7 needing seawater cooling and pipelines for connecting all the components; the sea chest 1 is connected to the water inlet end of the seawater main pipe 2 through a first pipeline 8 and a first valve 9; the first water outlet end of the seawater main pipe 2 is connected to the water inlet end of the ballast water pump 3 through a second pipeline 10 and a second valve 11; the water outlet end of the ballast water pump 3 is connected to the water inlet end of the seawater clarification tank 4 through a third pipeline 12 and a third valve 13, and is connected to the water inlet end of each ballast water tank 5 through a ballast water inlet main pipe 14 and a ballast water inlet branch pipe 15, and a water inlet valve 16 is arranged on the ballast water inlet branch pipe 15; the water outlet end of each ballast water tank 5 is connected to the second pipeline 10 by a bypass through a ballast water outlet branch pipe 17 and a ballast water outlet main pipe 18, and a water outlet valve 19 is arranged on the ballast water outlet branch pipe 17; the water outlet end of the seawater clarification tank 4 is connected to the water inlet end of the seawater main pipe 2 through a fourth pipeline 20 and a fourth valve 21; the second water outlet end of the seawater main pipe 2 is connected to the water inlet end of the seawater cooling pump 6 through a fifth pipeline 22 and a fifth valve 23; the water outlet end of the seawater cooling pump 6 is connected to the water inlet end of the equipment 7 needing seawater cooling through a cooling pipeline 24; the water outlet of the seawater-cooled equipment 7 is connected by-pass to the ballast water intake main 14 through a sixth pipeline 25 and a sixth valve 26. Specifically, the number of the ballast water tanks 5 is 4.
Illustratively, the seawater cooling system comprises a first outboard drain pipe 27 and a first drain valve 28 arranged on the first outboard drain pipe 27, wherein the water inlet end of the first outboard drain pipe 27 is connected to the third pipeline 12 in a bypass mode, and the water outlet end of the first outboard drain pipe 27 extends out of the side so as to facilitate draining of seawater in the system.
Illustratively, the seawater cooling system comprises a second outboard drainage pipe 29 and a second drainage valve 30 arranged on the second outboard drainage pipe 29, wherein the water inlet end of the second outboard drainage pipe 29 is connected to the sixth pipeline 25 by bypass, and the water outlet end of the second outboard drainage pipe 29 extends out to facilitate drainage of the seawater in the system.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, 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; 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.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (4)
1. A seawater cooling system for whole-course lifting test of a self-elevating platform is characterized by comprising a sea chest, a seawater main pipe, a ballast water pump, a seawater cooling pump, a seawater clarifying tank, a plurality of ballast water tanks, equipment needing seawater cooling and pipelines for connecting all parts,
the subsea door is connected to the water inlet end of the seawater main pipe through a first pipeline and a first valve;
the first water outlet end of the seawater main pipe is connected to the water inlet end of the ballast water pump through a second pipeline and a second valve;
the water outlet end of the ballast water pump is connected to the water inlet ends of the seawater clarification tanks through a third pipeline and a third valve, and is connected to the water inlet ends of the ballast water tanks through a ballast water inlet main pipe and a ballast water inlet branch pipe, and the ballast water inlet branch pipe is provided with a water inlet valve;
the water outlet end of each ballast water tank is connected to the second pipeline through a ballast water outlet branch pipe and a ballast water outlet main pipe by-pass, and a water outlet valve is arranged on the ballast water outlet branch pipe;
the water outlet end of the seawater clarification cabin is connected to the water inlet end of the seawater main pipe through a fourth pipeline and a fourth valve;
the second water outlet end of the seawater main pipe is connected to the water inlet end of the seawater cooling pump through a fifth pipeline and a fifth valve;
the water outlet end of the seawater cooling pump is connected to the water inlet end of the equipment needing seawater cooling through a cooling pipeline;
the water outlet end of the equipment needing seawater cooling is connected to the ballast water inlet main pipe through a sixth pipeline and a sixth valve by-pass;
when the ship is in a draught state, the sea chest is opened, and seawater is supplied to the seawater clarification tank and each ballast water tank through the seawater main pipe and the ballast water pump; when the ship is in a lifting state, the sea floor door is closed and separated from the sea surface, water in each ballast water tank is sequentially and alternately sent to a seawater clarification tank through a ballast water pump and is sent to equipment needing seawater cooling through a seawater main pipe and a seawater cooling pump, and the heated seawater flows back to the ballast water tanks to form circulation; when the seawater in the seawater clarification tank reaches the set temperature, the next ballast tank provides cooling seawater.
2. The seawater cooling system for the whole elevating test of the jack-up platform according to claim 1, wherein there are 4 ballast tanks.
3. The seawater cooling system for the whole elevating test of the jack-up platform according to claim 1, further comprising a first outboard drain pipe and a first drain valve arranged on the first outboard drain pipe, wherein the water inlet end of the first outboard drain pipe is connected to the third pipeline in a bypass mode, and the water outlet end of the first outboard drain pipe extends to the outboard side.
4. The seawater cooling system for the whole elevating test of the jack-up platform according to claim 1, further comprising a second outboard water drain pipe and a second water drain valve arranged on the second outboard water drain pipe, wherein the water inlet end of the second outboard water drain pipe is connected to the sixth pipeline in a bypass mode, and the water outlet end of the second outboard water drain pipe extends to the outboard side.
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| CN202011147225.1A CN112208727B (en) | 2020-10-23 | 2020-10-23 | Seawater cooling method and system for whole-course lifting test of self-elevating platform |
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| CN202011147225.1A CN112208727B (en) | 2020-10-23 | 2020-10-23 | Seawater cooling method and system for whole-course lifting test of self-elevating platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120030184A (en) * | 2010-09-17 | 2012-03-28 | 대우조선해양 주식회사 | Cooling system for ships using ballast water |
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| KR101544893B1 (en) * | 2009-06-18 | 2015-08-19 | 대우조선해양 주식회사 | The control method of cooling system for a vessel |
| CN204096078U (en) * | 2014-04-18 | 2015-01-14 | 和县金付船业有限责任公司 | Marine mechanical equipment cooling system |
| KR101739467B1 (en) * | 2014-12-29 | 2017-05-24 | 대우조선해양 주식회사 | Cooling water control system of arctic vessel |
| CN104828236A (en) * | 2015-05-13 | 2015-08-12 | 广西梧州运龙港船机械制造有限公司 | Self-cooling device for ship |
| KR101775471B1 (en) * | 2015-10-30 | 2017-09-06 | 삼성중공업 주식회사 | Ballast water treatment system for ships |
| CN106275253A (en) * | 2016-08-31 | 2017-01-04 | 中船黄埔文冲船舶有限公司 | A kind of method that ship launching leading sea water moves electromotor in advance |
| CN106428501A (en) * | 2016-10-31 | 2017-02-22 | 中国舰船研究设计中心 | Marine mainframe auxiliary cooling water internal circulation system and cooling method |
| CN207466933U (en) * | 2017-11-24 | 2018-06-08 | 广州璟涛机电设备有限公司 | A kind of novel ballast water treatment plant |
| CN110902771A (en) * | 2019-11-15 | 2020-03-24 | 沪东中华造船(集团)有限公司 | Marine cooling water marine organism prevention treatment system |
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|---|---|---|---|---|
| KR20120030184A (en) * | 2010-09-17 | 2012-03-28 | 대우조선해양 주식회사 | Cooling system for ships using ballast water |
| CN208774990U (en) * | 2018-07-23 | 2019-04-23 | 上海佳豪船海工程研究设计有限公司 | It is a kind of for inland river and the closed cooling system of coastal vessel |
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Application publication date: 20210112 Assignee: Zhanjiang Nanhai Shipbuilding High tech Service Co.,Ltd. Assignor: CSSC HUANGPU WENCHONG SHIPBUILDING Co.,Ltd. Contract record no.: X2023980048830 Denomination of invention: Seawater cooling method and system for full lifting test of self elevating platform Granted publication date: 20230203 License type: Common License Record date: 20231130 |