CN213384634U - A sea chest plugging device for FPSO - Google Patents
A sea chest plugging device for FPSO Download PDFInfo
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- CN213384634U CN213384634U CN202021462052.8U CN202021462052U CN213384634U CN 213384634 U CN213384634 U CN 213384634U CN 202021462052 U CN202021462052 U CN 202021462052U CN 213384634 U CN213384634 U CN 213384634U
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Abstract
The utility model discloses a submarine door plugging device for FPSO, which comprises a connecting piece, a plugging piece and a positioning structure, wherein the connecting piece positioned on a bottom board of a ship is arranged around the opening position of the submarine door, the plugging piece is connected with the connecting piece through a fastener, the positioning structure comprises a guide piece and a positioning groove, the positioning groove is arranged on the plugging piece and is in clamping fit with the guide piece positioned on the connecting piece, install under water at the diver the utility model discloses a during plugging device, make things convenient for the diver to install according to constant head tank and guide quick, accurate definite plugging device's mounted position and good, plugging member includes apron, deep floor and sealing member, and deep floor and apron are the lighter aluminum alloy material of weight, compare in current carbon steel material, have alleviateed plugging device's weight greatly, and the sealing member is fixed in advance on the apron before the installation, compares in prior art, the utility model discloses can save the diver in the time of installing plugging device under water.
Description
Technical Field
The utility model relates to a submarine door of FPSO hull bottom in the marine oil engineering field, especially a submarine door plugging device for FPSO.
Background
Marine ballasting, equipment cooling, and marine water-borne fire protection systems do not keep off seawater and typically have openings designed at the hull and seawater interface for the intake of seawater, i.e., the sea chest, also known as a seawater valve box.
The floating production storage and offloading unit (FPSO) needs to be kept in operation state for a long time after being put into use, has the particularity that the FPSO cannot enter a dock for a long time and is difficult to maintain and repair on site, a submarine gate is a seawater intake positioned at the bottom of a hull of the FPSO, and ballast water, fire water, cooling water and miscellaneous seawater are sucked from the FPSO submarine gate. The structure inside the sea chest is anticorrosive, compressed air blasts the facility and the sea chest valve of being connected with the sea chest all needs regular maintenance, therefore it is crucial to design a FPSO sea chest outside plugging device of easy operation, safe and reliable.
At present, the prior seabed door plugging device at home is generally made of common carbon steel and has larger weight; a guiding positioning device is not arranged when the submarine door plugging device is installed; additionally installing the fastening structure and the sealing structure of the plugging device on site when needing to operate, and leading the workload of a diver during installing the plugging device to be large, thereby causing the diver to waste time and energy when disassembling and assembling the plugging cover plate and being difficult to operate.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a novel seabed door shutoff device for FPSO, can save diver's time of dismouting shutoff apron under water.
In order to solve the technical problem, the utility model provides a sea chest plugging device for FPSO for the sea chest door on the sealed FPSO bottom plate, including connecting piece, shutoff piece and location structure, be located on the bottom plate the connecting piece winds the sea chest open position is established, the shutoff piece pass through the fastener with the connecting piece is connected, location structure includes guide and constant head tank, the constant head tank is established on the shutoff piece and with be located on the connecting piece the cooperation of guide joint.
Further, the connecting piece includes first connecting plate and second connecting plate, first connecting plate with seabed door opening position is perpendicular, the second connecting plate is connected perpendicularly the tip of first connecting plate and is kept away from the seabed door.
Further, the blocking piece comprises a cover plate, a reinforcing rib plate and a sealing piece, the reinforcing rib plate is perpendicular to the cover plate and is arranged close to the submarine door, and the sealing piece is arranged between the second connecting plate and the cover plate.
Furthermore, a first through hole is formed in the second connecting plate, a second through hole is formed in the cover plate, and the second connecting plate is in threaded connection with the cover plate.
Further, the guide piece is a first bolt, the first bolt is fixed on the second connecting plate in a welding mode, and the distance between the head of the first bolt and the second connecting plate is larger than the thickness of the cover plate.
Further, the sealing member is bonded to the cover plate.
Further, the sealing element is made of rubber.
Further, the sealing element is a neoprene sealing gasket.
Further, the cover plate and the reinforcing rib plate are both made of aluminum alloy.
Further, the aluminum alloy is 5083 aluminum alloy for ships.
Further, the fastener is a second bolt and a nut, and the nut faces away from the cover plate and is fixed at the position of the first through hole.
Furthermore, a handle is arranged on the cover plate and is positioned in the direction far away from the sea chest door.
The technical effects of the utility model reside in that: 1. the utility model discloses a submarine door plugging device, including connecting piece, shutoff piece and location structure, the connecting piece that is located on the bottom of a ship board is established around submarine door open position, and the shutoff piece passes through the fastener and is connected with the connecting piece, and location structure includes guide and constant head tank, and the constant head tank is established on the shutoff piece and with the cooperation of the guide joint that is located on the connecting piece, installs under water at the diver the utility model discloses a during plugging device, make things convenient for the diver to install according to constant head tank and guide quick, accurate definite plugging device's mounted position, and equally, also can provide convenient condition for the diver when dismantling, save the diver time of dismouting shutoff apron under water.
2. The utility model discloses a submarine door plugging device, shutoff piece are including the apron, deep floor and sealing member, and the sealing member setting is between second connecting plate and apron, has further guaranteed the safety and the leakproofness of submarine door shutoff, traditional sealing material compares, the utility model discloses a be that the better rubber of elasticity is as the sealing member, when the second connecting plate contact of apron and connecting member, the gap between apron and the second connecting plate can be plugged up to rubber, prevent inside the sea water entering hull, it is sealed effectual to the sealing member adopts the mode of bonding directly just to fix on the apron of shutoff piece in advance, has saved the time of diver at the time of underwater operation installation sealing member, further makes things convenient for diver to install under water and dismantle submarine door plugging device, saves diver's operation time under water.
3. The utility model discloses a submarine door plugging device, what the apron and the reinforcing plate of shutoff piece all adopted is the aluminum alloy, and the shutoff piece weight of aluminum alloy is about the third of traditional carbon steel material shutoff piece, compares traditional carbon steel material shutoff piece, the utility model discloses a submarine door plugging device has the characteristics that weight is little, is convenient for the diver to operate under water.
4. The utility model discloses a submarine door plugging device, the connecting piece includes first connecting plate and second connecting plate, first connecting plate perpendicular to submarine door open position, the second connecting plate is connected perpendicularly at the tip of first connecting plate and is kept away from the submarine door, the plugging piece includes apron and deep floor, deep floor is close to second connecting plate and perpendicular to apron setting, be equipped with first through-hole on the second connecting plate, be equipped with the second through-hole on the apron, second connecting plate and apron threaded connection, the fastener is second bolt and nut, the nut deviates from the apron and fixes the position at first through-hole, when diver's underwater operation fastens, this kind fixes the nut in advance and can simplify diver's complicated operation under water in the position of connecting hole, save diver's time of underwater operation, make diver's dismouting second bolt operation under water more convenient.
Drawings
Fig. 1 is a schematic view of a connecting member structure of a subsea door plugging device for FPSO according to the present invention;
fig. 2 is a schematic structural view of a plugging member of the subsea door plugging device for FPSO of the present invention;
figure 3 is a schematic cross-sectional view in the direction C-C of figure 1 after installation of the closure member;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 5 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 6 is a schematic sectional view taken along line B-B of FIG. 1;
fig. 7 is a schematic view of the plugging member of the present invention being disassembled and assembled by a diver under water.
The main reference numbers in the figures illustrate:
1-plugging device, 2-bottom board, 3-sea bottom door, 4-fastener, 5-first through hole, 6-second through hole, 7-handle, 8-positioning end, 9-guide rope, 11-connecting piece, 12-plugging piece, 13-positioning structure, 111-first connecting plate, 112-second connecting plate, 121-cover plate, 122-reinforcing rib plate, 123-sealing piece, 131-guide piece, 132-positioning groove, 41-second bolt and 42-nut.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Fig. 1 is the utility model discloses a connector structure schematic diagram of submarine door plugging device for FPSO, fig. 2 is the utility model discloses a submarine door plugging device's for FPSO shutoff piece structure schematic diagram, fig. 3 is along C-C to section schematic diagram after installing the shutoff piece in fig. 1, fig. 4 is along A-A to section schematic diagram in fig. 2, fig. 5 is along A-A to section schematic diagram in fig. 1, fig. 6 is along B-B to section schematic diagram in fig. 1, fig. 7 is the diver carries out the dismouting under water the utility model discloses a shutoff piece's schematic diagram.
As shown in fig. 1 to 7, a sea chest plugging device 1 for FPSO is used for sealing a sea chest 3 on a bottom plate 2 of an FPSO vessel, and comprises a connecting piece 11, a plugging piece 12 and a positioning structure 13, wherein the connecting piece 11 on the bottom plate 2 is arranged around an opening position of the sea chest 3, the plugging piece 12 is connected with the connecting piece 11 through a fastener 4, the positioning structure 13 comprises a guide piece 131 and a positioning groove 132, and the positioning groove 132 is arranged on the plugging piece 12 and is in clamping fit with the guide piece 131 on the connecting piece 11.
Referring to fig. 1 and 3, the connector 11 includes a first connection plate 111 and a second connection plate 112, the first connection plate 111 being established perpendicular to the opening position of the sea chest 3, and the second connection plate 112 being vertically connected to an end of the first connection plate 111 and being away from the sea chest 3.
Referring to fig. 2, 3 and 4, the block piece 12 comprises a cover plate 121, a reinforcing rib plate 122 and a sealing member 123, wherein the reinforcing rib plate 122 is perpendicular to the cover plate 121 and is arranged near the bottom door 3, the sealing member 123 is arranged between the second connecting plate 112 and the cover plate 121, the sealing member 123 is bonded with the cover plate 121, and the sealing member 123 is pre-bonded on the cover plate 121, so that the time for installing the sealing member 123 by a diver in underwater operation can be saved.
As shown in fig. 4 and fig. 6, the second connecting plate 112 is provided with the first through hole 5, the cover plate 121 is provided with the second through hole 6, the second connecting plate 112 is connected with the cover plate 121 by screw threads, the screw threads can be fastened and connected, and the device is convenient to install, detach and maintain.
As shown in fig. 3 to 6, the guiding element 131 is a first bolt, the first bolt is welded and fixed on the second connecting plate 112, and the diameter of the first bolt is smaller than the width of the positioning slot 132, the distance between the head of the first bolt and the second connecting plate 112 is greater than the thickness of the cover plate 121, when the diver operates the installation of the plugging device 1 underwater, the positioning slot 132 formed on the cover plate 121 can slide into the blocking device against the first bolt, at this time, the positions of the first through hole 5 and the second through hole 6 are aligned, and the installation of the first bolt is convenient to determine the installation position of the cover plate 121, it should be understood that the first bolt is adopted as the guiding element 131 in this embodiment, and the advantage is that: the bolt is common mechanical structure, and after the pole portion joint cooperation of constant head tank 132 and first bolt, the head of bolt can play the effect that prevents apron 121 and drop.
Referring to fig. 3 and 4, the sealing member 123 is made of rubber, the elasticity of the rubber is relatively good, when the cover plate 121 contacts the second connecting plate 112, the rubber can block a gap between the cover plate 121 and the second connecting plate 112, seawater is prevented from entering the inside of the ship body, and the sealing effect is good.
Further, the sealing member 123 is a neoprene sealing gasket, and neoprene has the advantages of heat resistance, oil resistance, aging resistance, acid and alkali resistance, chemical reagent resistance, corrosion resistance, flame resistance, sunlight resistance and the like, and has good tensile property and good adhesion.
Further, the cover plate 121 and the reinforcing rib plate 122 are made of aluminum alloy, the weight of the aluminum alloy plugging piece 12 is about one third of that of the traditional carbon steel plugging piece 12, the aluminum alloy adopted in the embodiment is 5083 aluminum alloy for the ship, 5083 aluminum alloy is high-magnesium alloy, the strength is good in non-heat-treatable alloy, the corrosion resistance and the weldability are good, in practical application, the advantages of 5083 aluminum alloy for the ship are very obvious, firstly, the strength meets the actual requirement and the specific gravity is small, the weight of the plugging piece 12 can be reduced, the difficulty of installing the plugging piece 12 by a diver is reduced, secondly, the corrosion resistance is good, the service life is prolonged, in addition, the 5083 aluminum alloy for the ship is welded, the processing and forming performance is good, the post processing is facilitated, and the aluminum alloy is a common material in the field.
As shown in fig. 3, the fastening member 4 is a second bolt 41 and a nut 42, and as shown in fig. 6, the nut 42 is away from the cover plate 121 and fixed at the position of the first through hole 5. The nut 42 is fixed in the position of the first through hole 5 in advance, so that underwater complex operation of a diver can be simplified, the second connecting plate 112 and the cover plate 121 can be fastened and connected only by screwing the second bolt 41 in, the underwater operation time of the diver is greatly saved, and the operation of detaching the second bolt 41 underwater by the diver is more convenient.
As shown in fig. 3 and 4, the cover plate 121 is provided with a handle 7, and the handle 7 is located in a direction away from the sea chest 3.
Referring to fig. 1, 2 and 3, in a preferred embodiment of the present invention, the first connecting plate 111 is welded and fixed to the bottom board 2 and the second connecting plate 112, two first bolts are welded and fixed to the positioning end 8 of the second connecting plate 112, two positioning slots 132 corresponding to the first bolts are provided on the cover plate 121, a neoprene gasket is circumferentially bonded to a position of the cover plate 121 near the second through hole 6 along the edge, as shown in fig. 2, the hatched portion in fig. 2 is the bonding position of the neoprene gasket.
According to fig. 1 to 7, the utility model discloses a specific use: the diver transports the plugging piece 12 bonded with the neoprene gasket to the position of the sea chest 3 through the guide rope 9; the diver holds the handle 7 to lean the positioning slot 132 into the first bolt to complete positioning; the diver pushes up the cover plate 121 to make the chloroprene rubber sealing gasket tightly attached to the second connecting plate 112; the diver operates to screw the second bolt 41 into the second through hole 6, the chloroprene rubber gasket and the first through hole 5 in sequence, and finally the second bolt is screwed and fixed with the nut 42 on the second connecting plate 112, so that the gap between the second connecting plate 112 and the cover plate 121 is completely sealed by the chloroprene rubber gasket, the sea bottom door 3 is blocked, and seawater is prevented from entering the inside of the ship body.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. The utility model provides a sea chest plugging device for FPSO for seal the sea chest on the FPSO ship bottom plate, its characterized in that: including connecting piece, shutoff piece and location structure, be located on the bottom of a ship board the connecting piece winds seabed door opening position is established, the shutoff piece pass through the fastener with the connecting piece is connected, location structure includes guide and constant head tank, the constant head tank is established on the shutoff piece and with be located on the connecting piece the cooperation of guide joint.
2. Subsea door plugging device according to claim 1, characterized in that: the connecting piece includes first connecting plate and second connecting plate, first connecting plate with seabed door opening position is perpendicular, the second connecting plate is connected perpendicularly the tip of first connecting plate is kept away from the seabed door.
3. Subsea door plugging device according to claim 2, characterized in that: the plugging piece comprises a cover plate, a reinforcing rib plate and a sealing piece, the reinforcing rib plate is perpendicular to the cover plate and is arranged close to the sea chest door, and the sealing piece is arranged between the second connecting plate and the cover plate.
4. Subsea door plugging device according to claim 3 and of an FPSO, wherein: the second connecting plate is provided with a first through hole, the cover plate is provided with a second through hole, and the second connecting plate is in threaded connection with the cover plate.
5. Subsea door plugging device according to claim 3, characterized in that: the guide piece is a first bolt, the first bolt is fixed on the second connecting plate in a welding mode, and the distance between the head of the first bolt and the second connecting plate is larger than the thickness of the cover plate.
6. Subsea door plugging device according to claim 3, characterized in that: the sealing element is bonded to the cover plate.
7. Subsea door plugging device according to claim 3, characterized in that: the sealing element is made of rubber.
8. Subsea door plugging device according to claim 3, characterized in that: the cover plate and the reinforcing rib plate are made of aluminum alloy.
9. Subsea door plugging device according to claim 8, characterized in that: the aluminum alloy is 5083 aluminum alloy for ships.
10. Subsea door plugging device according to claim 4, characterized in that: the fastener is a second bolt and a nut, and the nut deviates from the cover plate and is fixed at the position of the first through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462052.8U CN213384634U (en) | 2020-07-22 | 2020-07-22 | A sea chest plugging device for FPSO |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021462052.8U CN213384634U (en) | 2020-07-22 | 2020-07-22 | A sea chest plugging device for FPSO |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213384634U true CN213384634U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021462052.8U Active CN213384634U (en) | 2020-07-22 | 2020-07-22 | A sea chest plugging device for FPSO |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213384634U (en) |
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2020
- 2020-07-22 CN CN202021462052.8U patent/CN213384634U/en active Active
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