CN105113573B - Outboard water taking system for FLNG and using method thereof - Google Patents
Outboard water taking system for FLNG and using method thereof Download PDFInfo
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- CN105113573B CN105113573B CN201510594350.XA CN201510594350A CN105113573B CN 105113573 B CN105113573 B CN 105113573B CN 201510594350 A CN201510594350 A CN 201510594350A CN 105113573 B CN105113573 B CN 105113573B
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Abstract
The invention relates to an outboard water taking system for FLNG and a using method thereof. The outboard water taking system for the FLNG is characterized by comprising a first support and a second support which are fastened and connected to the side position of a ship stern at an interval, the two supports extend out of a main deck, and the second support is closer to the ship stern. An anchor machine is fastened and connected to the first support, a winch is fastened and connected to the second support, a water taking pipe end head support is fastened and connected to a hull side shell located under the first support, a water taking pipe end head is arranged on the water taking pipe end head support, a water inlet is formed in the side, facing the ship stern, of the water taking pipe end head, a distributing device is arranged inside the water taking pipe end head, multiple distributing water outlets are formed in the side facing a ship bow, each distributing water outlet is connected with one end of a water taking pipe, and the other end of the water taking pipe is connected with a seawater lifting pump arranged on the deck. The top of the water taking pipe end head is connected with the anchor machine through an anchor chain, the end close to the water inlet is connected with the winch through a withdrawing cable, a thrust jack is fastened and connected to the hull side shell located above the water taking pipe end head support, and the output end of the thrust jack is close to the side of the water inlet of the water taking pipe end head.
Description
Technical field
The present invention relates to a kind of outboard water intake system for flng (Floating Liquefied Natural Gas produce storage handler) and its
Using method, belongs to ocean engineering field.
Background technology
In recent years, exploitation offshore natural gas resource has become the direction of energy company's future development, and flng is due to possessing
The independent ability that offshore gas field is carried out with extra large formula exploitation entirely, and the enormous investment of laying distance sea-bottom pipe-network can be reduced, open
Originating party formula flexibly, is therefore increasingly becoming the first-selected device of exploitation far-reaching sea natural gas resource.Nearly 10 years, about 20 flng lands
Continue and enter the engineering construction stage.Wherein, the lng (liquefied natural gas) of prelude flng, sunrise flng etc. produces energy
Power is all more than 3,600,000 tons/year.
Process due to lng will expend the substantial amounts of energy with storage, be reducing energy consumption to save operation cost, so
Water intake system is provided with operation flng, the low temperature seawater of deep layer can be extracted supply cooling during operation and liquefaction system makes
With.Because flng energy consumption is huge, generally water intaking depth mostly more than 100 meters it is therefore desirable to be provided with many intake pipes.Making
Need during industry to ensure between intake pipe, and between intake pipe and mooring line, standpipe, be unable to recurring structure collision.In addition take
Water pipe should possess recovery function, can easily carry out keeping away platform operation when flng meets with violent typhoon, or meet intake pipe and carry out
Regularly check the needs with maintenance.
Content of the invention
For the problems referred to above, it is an object of the invention to provide being used for of a kind of simple to operate, easy to use and good economy performance
The outboard water intake system of flng and its using method.
For achieving the above object, the present invention takes a kind of technical scheme below: outboard water intake system for flng, and it is special
Levy and be: it includes being spaced the first bearing and the second bearing being fastenedly connected at ship stern topside, described first bearing and described
Second bearing all stretches out main deck, and described second bearing than described first bearing closer to ship stern；On described first bearing
It is fastenedly connected a windlass, described second bearing is fastenedly connected hank car, in the hull side of a ship below described first bearing
One water intaking pipe end bearing is fastenedly connected on the outside plate of side, a water intaking pipe end is placed on described water intaking pipe end bearing, described
Water intaking pipe end is provided with water inlet towards the side of ship stern, described water intaking pipe end be internally provided with part flow arrangement, described
Water intaking pipe end is provided with multiple shunting delivery ports towards the side of stem, and each described shunting delivery port connects an intake pipe
One end, seawater lift pump above deck is connected the other end of described intake pipe with a setting, the top of described water intaking pipe end
Windlass is connected by an anchor chain, described water intaking pipe end reclaims cable near one end of described water inlet by one and connects described strand
Car, is fastenedly connected a pusher jack, described thrust on the ship side outside plate above described water intaking pipe end bearing
The output end of jack is near the described water inlet side of described water intaking pipe end.
Ship side outside plate between described first bearing and described water intaking pipe end is fastenedly connected one and leads cable
Device, described chock is slidably connected with described anchor chain.
Each described intake pipe includes the first hard tube, flexible pipe and the second hard tube being sequentially connected with, described flexible pipe and described the
One hard tube, described second hard tube are all using hinged；The top of described first hard tube distributes with described in described water intaking pipe end
The mouth of a river connects, and the end of described second hard tube is connected with described seawater lift pump, and described second hard tube passes through a fixed seat
It is fixedly connected with main deck.
Can be hinged by clamp between multiple described flexible pipes.
Heat-insulation layer is provided with described intake pipe, a diameter of 24 inches of described intake pipe.
A kind of using method of the outboard water intake system for flng, it comprises the following steps: 1) controls winch to put first
Open recovery cable, anchor chain tightened up by windlass, water intaking pipe end is hung water intaking pipe end bearing, is then controlled by pusher jack and take
Water pipe termination completely disengages from water intaking pipe end bearing；2) windlass is controlled slowly to discharge anchor chain, water intaking pipe end enters water dive extremely
Design water intaking depth；3) control windlass to stop release anchor chain, be then turned on seawater lift pump, seawater flows after entering water intaking pipe end
Reach seawater lift pump after intake pipe, be conveyed to flng top technical module.
When needing water intake system to be carried out with cleaning maintenance or carries out keeping away platform operation, windlass is controlled to tighten up anchor chain until fetching water
Pipe end completely disengages from the water surface extremely water intaking pipe end bearing neighbouring position, by reclaiming cable connection winch and water intaking pipe end, so
Winch is controlled to tighten up recovery cable afterwards thus pipe end fixed placement will be fetched water on water intaking pipe end bearing.
Due to taking above technical scheme, it has the advantage that the 1, present invention is provided with an outboard water intaking system to the present invention
System, outboard water intake system includes one first bearing, one second bearing, a water intaking pipe end bearing, a windlass, an anchor chain, hank
Car, a recovery cable, a pusher jack, a water intaking pipe end, multiple intake pipe and multiple seawater lift pump；The present invention can be deep
Enter under water more than 100 meters, the low temperature seawater of deep layer can be extracted the cooling on supply flng top during operation and liquefaction system makes
With.2nd, intake pipe of the present invention includes can passing through between the first hard tube, flexible pipe and the second hard tube, and multiple flexible pipe being sequentially connected with
Clamp connects, beneficial between the flexible pipe of the present invention in decentralization, operation and removal process being consistent property and prevent from mutually colliding,
Clamp adopts hinged connected mode with each flexible pipe, to adapt to angle change under different use states for the flexible pipe.3rd, originally
When invention needs water intake system to be carried out with cleaning maintenance or carries out keeping away platform operation, windlass is controlled to tighten up anchor chain up to water intaking pipe end
Completely disengage from the water surface to pipe end bearing neighbouring position of fetching water, by reclaiming cable connection winch and water intaking pipe end, then control
Winch tightens up recovery cable thus pipe end fixed placement will be fetched water on water intaking pipe end bearing, disclosure satisfy that intake pipe of the present invention
The needs regularly being checked and keeping in repair.
Brief description
Fig. 1 is the structural representation of the present invention
Fig. 2 is the schematic top plan view of Fig. 1
Fig. 3 be the present invention a-a to cross-sectional schematic
Fig. 4 be the present invention b-b to cross-sectional schematic
Fig. 5 is the structural representation in water intake system decentralization process of the present invention
Fig. 6 is structural representation during water intake system operation of the present invention
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in detail.
As shown in Figure 1 and Figure 2, the present invention proposes a kind of outboard water intake system for flng, and it includes interval fastening even
It is connected on the first bearing 1 at ship stern topside and the second bearing 2, wherein, the first bearing 1 and the second bearing 2 all stretch out main deck, and
Second bearing 2 to the first bearing 1 is closer to ship stern.One windlass 3 is fastenedly connected on the first bearing 1, the second bearing 2 fastens
Connect a winch 4.One water intaking pipe end bearing 5 is being fastenedly connected on the ship side outside plate below the first bearing 1, is taking
One water intaking pipe end 6 (as shown in Figure 3) is placed on water pipe termination bearing 5.Water intaking pipe end 6 towards ship stern side be provided with into
The mouth of a river, water intaking pipe end 6 be internally provided with part flow arrangement (not shown), water intaking pipe end 6 sets towards the side of stem
It is equipped with multiple shunting delivery ports, each shunting delivery port connects one end of an intake pipe 7, the other end of intake pipe 7 and a setting
Seawater lift pump 8 above deck connects.The top of water intaking pipe end 6 connects windlass 3 by an anchor chain 9, and water intaking pipe end 6 leans on
One end of nearly water inlet is by recovery cable 10 connection winch 4.In the ship side outside plate above intake pipe termination bearing 5
On be fastenedly connected a pusher jack 11, the output end of pusher jack 11 is near the water inlet side of water intaking pipe end 6.
In above-described embodiment, the ship side outside plate between the first bearing 1 and water intaking pipe end 6 is fastenedly connected
One chock 12, chock 12 is slidably connected with anchor chain 9.
In above-described embodiment, each intake pipe 7 includes the first hard tube 71, flexible pipe 72 and the second hard tube 73 being sequentially connected with,
Wherein flexible pipe 72 and the first hard tube 71, the second hard tube 73 are all using hinged；The top of the first hard tube 71 is divided with water intaking pipe end 6
Flow out the mouth of a river to connect, the end of the second hard tube 73 is connected with seawater lift pump 8, and the second hard tube 73 pass through a fixed seat 13 and
Main deck is fixedly connected (as shown in Figure 4).
In above-described embodiment, can be connected by clamp 14 between multiple flexible pipes 11, be consistent beneficial between flexible pipe 11
Property and prevent from mutually colliding, clamp 14 and each flexible pipe 11 adopt hinged connected mode, to adapt to flexible pipe in different uses
Angle change under state.
In above-described embodiment, intake pipe 7 is provided with heat-insulation layer.A diameter of 24 inches of intake pipe 7.
On the basis of said apparatus, the invention allows for a kind of user of the outboard water intake system for flng
Method, it comprises the following steps:
1) control winch 4 to decontrol first and reclaim cable 10, anchor chain 9 tightened up by windlass 3, water intaking pipe end 6 is hung water intaking pipe end
Head bearing 5, then passes through pusher jack 11 and controls water intaking pipe end 6 to completely disengage from water intaking pipe end bearing 5 (as Fig. 5 institute
Show).
2) windlass 3 is controlled slowly to discharge anchor chain 9, depth that water intaking pipe end 6 enters water and dive to design is fetched water is (as Fig. 6 institute
Show).
3) control windlass 3 to stop release anchor chain 9, be then turned on seawater lift pump 8, seawater flows after entering water intaking pipe end 6
Reach seawater lift pump 8 through intake pipe 7, be conveyed to flng top technical module.
4) when needing water intake system is carried out cleaning maintenance or carrying out keeping away platform operation, control windlass 3 to tighten up anchor chain 9 until
Water intaking pipe end 6 completely disengages from the water surface to pipe end bearing 5 neighbouring position of fetching water, by reclaiming cable 10 connection winch 4 and water intaking
Pipe end 6, then controls winch 4 to tighten up recovery cable 10 thus pipe end 6 fixed placement of fetching water is in water intaking pipe end bearing 5
On.
The various embodiments described above are merely to illustrate the present invention, and the structure of wherein each part, connected mode etc. are all can be
Change, every equivalents carrying out on the basis of technical solution of the present invention and improvement, all should not exclude the present invention's
Outside protection domain.
Claims (9)
1. a kind of outboard water intake system for flng it is characterised in that: it includes being spaced and is fastenedly connected at ship stern topside
First bearing and the second bearing, described first bearing and described second bearing all stretch out main deck, and described second bearing compares institute
State the first bearing closer to ship stern；Described first bearing is fastenedly connected a windlass, described second bearing is fastenedly connected
One winch, is being fastenedly connected a water intaking pipe end bearing, described on the ship side outside plate below described first bearing
One water intaking pipe end is placed on water intaking pipe end bearing, described water intaking pipe end is provided with water inlet towards the side of ship stern, institute
That states water intaking pipe end is internally provided with part flow arrangement, and described water intaking pipe end is provided with multiple distributing towards the side of stem
The mouth of a river, each described shunting delivery port connects one end of an intake pipe, and the other end of described intake pipe and a setting are above deck
Seawater lift pump connect, described water intaking pipe end top pass through one anchor chain connect windlass, described water intaking pipe end is near institute
The cable described winch of connection is reclaimed by one in the one end stating water inlet, in the ship side above described water intaking pipe end bearing
One pusher jack is fastenedly connected on outside plate, the output end of described pusher jack is near the described water inlet of described water intaking pipe end
Mouth side.
2. as claimed in claim 1 a kind of outboard water intake system for flng it is characterised in that: positioned at described first
It is fastenedly connected a chock, described chock is slided with described anchor chain on ship side outside plate between seat and described water intaking pipe end
It is dynamically connected.
3. as claimed in claim 1 a kind of outboard water intake system for flng it is characterised in that: each described intake pipe bag
Include the first hard tube being sequentially connected with, flexible pipe and the second hard tube, described flexible pipe is all adopted with described first hard tube, described second hard tube
Hinged；The top of described first hard tube is connected with the described shunting delivery port of described water intaking pipe end, the end of described second hard tube
End is connected with described seawater lift pump, and described second hard tube is fixedly connected with main deck by a fixed seat.
4. as claimed in claim 2 a kind of outboard water intake system for flng it is characterised in that: each described intake pipe bag
Include the first hard tube being sequentially connected with, flexible pipe and the second hard tube, described flexible pipe is all adopted with described first hard tube, described second hard tube
Hinged；The top of described first hard tube is connected with the described shunting delivery port of described water intaking pipe end, the end of described second hard tube
End is connected with described seawater lift pump, and described second hard tube is fixedly connected with main deck by a fixed seat.
5. a kind of outboard water intake system for flng as described in claim 3 or 4 it is characterised in that: multiple described flexible pipes
Between by clamp hinged.
6. a kind of outboard water intake system for flng as claimed in claim 1 or 2 or 3 or 4 it is characterised in that: described take
Heat-insulation layer is provided with water pipe, a diameter of 24 inches of described intake pipe.
7. as claimed in claim 5 a kind of outboard water intake system for flng it is characterised in that: on described intake pipe arrange
There is a heat-insulation layer, a diameter of 24 inches of described intake pipe.
8. a kind of based on as described in any one of claim 1～7 be used for flng outboard water intake system using method, it include with
Lower step:
1) control winch to decontrol first and reclaim cable, anchor chain tightened up by windlass, water intaking pipe end is hung water intaking pipe end bearing, then
Water intaking pipe end is controlled to completely disengage from water intaking pipe end bearing by pusher jack；
2) windlass is controlled slowly to discharge anchor chain, water intaking pipe end enters water and dive is to design water intaking depth；
3) control windlass to stop release anchor chain, be then turned on seawater lift pump, seawater flows through intake pipe after entering water intaking pipe end
Reach seawater lift pump afterwards, be conveyed to flng top technical module.
9. as claimed in claim 8 a kind of using method of the outboard water intake system for flng it is characterised in that: work as needs
When water intake system being carried out with cleaning maintenance or carrying out keeping away platform operation, windlass is controlled to tighten up anchor chain until water intaking pipe end completely disengages from
The water surface, to pipe end bearing neighbouring position of fetching water, by reclaiming cable connection winch and water intaking pipe end, then controls winch to tighten up
Reclaim cable thus pipe end fixed placement will be fetched water on water intaking pipe end bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594350.XA CN105113573B (en) | 2015-09-17 | 2015-09-17 | Outboard water taking system for FLNG and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594350.XA CN105113573B (en) | 2015-09-17 | 2015-09-17 | Outboard water taking system for FLNG and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105113573A CN105113573A (en) | 2015-12-02 |
| CN105113573B true CN105113573B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510594350.XA Active CN105113573B (en) | 2015-09-17 | 2015-09-17 | Outboard water taking system for FLNG and using method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08128081A (en) * | 1994-10-31 | 1996-05-21 | Kubota Corp | Pumping method and pumping-dewatering method |
| JP2006088980A (en) * | 2004-09-27 | 2006-04-06 | Maeda Corp | Deep water obtaining device |
| KR20060031552A (en) * | 2004-10-08 | 2006-04-12 | 박영국 | The method how to take the deep sea water use the water tank ship |
| CN103046613A (en) * | 2012-12-27 | 2013-04-17 | 姜海湖 | Energy-saving cruise ship capable of collecting seawater |
| CN103649532A (en) * | 2011-04-05 | 2014-03-19 | E·道格拉斯 | Cold water retrieval system |
| CN103935475A (en) * | 2014-04-29 | 2014-07-23 | 哈尔滨工程大学 | Sea water desalination engineering ship |
-
2015
- 2015-09-17 CN CN201510594350.XA patent/CN105113573B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08128081A (en) * | 1994-10-31 | 1996-05-21 | Kubota Corp | Pumping method and pumping-dewatering method |
| JP2006088980A (en) * | 2004-09-27 | 2006-04-06 | Maeda Corp | Deep water obtaining device |
| KR20060031552A (en) * | 2004-10-08 | 2006-04-12 | 박영국 | The method how to take the deep sea water use the water tank ship |
| CN103649532A (en) * | 2011-04-05 | 2014-03-19 | E·道格拉斯 | Cold water retrieval system |
| CN103046613A (en) * | 2012-12-27 | 2013-04-17 | 姜海湖 | Energy-saving cruise ship capable of collecting seawater |
| CN103935475A (en) * | 2014-04-29 | 2014-07-23 | 哈尔滨工程大学 | Sea water desalination engineering ship |
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| Publication number | Publication date |
|---|---|
| CN105113573A (en) | 2015-12-02 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation |