CN201816728U - Floater system used for being connected with floating production storage and offloading (FPSO) hull - Google Patents
Floater system used for being connected with floating production storage and offloading (FPSO) hull Download PDFInfo
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- CN201816728U CN201816728U CN201020544499XU CN201020544499U CN201816728U CN 201816728 U CN201816728 U CN 201816728U CN 201020544499X U CN201020544499X U CN 201020544499XU CN 201020544499 U CN201020544499 U CN 201020544499U CN 201816728 U CN201816728 U CN 201816728U
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- float
- cone portion
- floater
- hull
- round platform
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Abstract
The utility model discloses a floater system used for being connected with a floating production storage offloading (FPSO) hull, which comprises a floater, an anchor chain and a vertical pipe, wherein the anchor chain and the vertical pipe are connected onto the floater. The floater comprises a cone portion and a base, the lower bottom surface of the cone portion is fixed on the base, a permanent buoyancy chamber and a water drainage chamber are disposed in the floater, a water drainage port capable of being opened and closed is arranged at the bottom of the water drainage chamber, a ventilating opening communicated with the water drainage chamber is disposed at the top of the floater, when the floater floats upwards and is fed with air, the ventilating opening is connected with an air compressor via an air inlet pipe, and when the floater sinks and exhausts, the ventilating opening is connected with the floater floating on the water surface via the air inlet pipe. When the water drainage chamber is inflated, the floater floats upwards, when the water drainage chamber is fed with water, the floater sinks, and accordingly lifting control of the floater can be realized more easily. A conical surface and a polygonal plane are combined on the surface of the cone portion, when the floater is connected with the hull, fast positioning and rotation prevention can be realized by the aid of the polygonal plane, and then the cone portion is locked, so that the floater is connected with the hull more conveniently and faster.
Description
Technical field
The utility model relates to the marine oil and gas apparatus field, is specifically related to a kind of float system that can be connected with the FPSO hull.
Background technology
FPSO (Floating production, storage, offloading unit) floating type production, storage and offloading gear is equipped with production, oil storage and unloads functional oil, is one of main pattern of marine petroleum development.At present along with the significantly increase of China's hydrocarbon resources consumption, country is also increasing to the hydrocarbon resources demand, effectively, economy, fast speed exploitation China South Sea resource has been extremely urgent.Because South China Sea Environment is relatively disliked power, traditional permanent mooring mode can not adapt to the natural environment at the South Sea, and later-model disengageable mooring mode is the trend of development, transfers active protection to by passive bearing.Traditional releasable FPSO, all adopt the form of capstan head, RTM (Riser Turrent Mooring) and BTM (Buoycant Turrent Mooring), the shortcoming of this capstan head is: scale ratio is less, the systematic comparison complexity, manufacturing cost height, price are extremely expensive, and the quantity of standpipe and form all are restricted.
Chinese invention patent application 200910305584.2 discloses a kind of circular floating ocean platform capable of releasing multi-point mooring, it comprises hull, float, mooring line and standpipe, wherein, float is socketed on hull interior, the two ends of mooring line link to each other with the bottom and the seabed anchoring point of float respectively, the lower end of some standpipes and seabed production of hydrocarbons facility under water link to each other, the upper end of standpipe connects to the float top through the bottom of float, and be connected in float top interface, described hull is a cirque structure, the center of this hull is provided with hollow annular chamber with fixing float, hollow annular chamber is the passage of cylindrical structure, the inwall of this hollow annular chamber is uniform some Card troughs vertically, be provided with mobilizable wedge shape clamp in the Card trough, buoy upper is a conical structure, the bottom is a disc-shaped base, the diameter of this disc-shaped base is greater than the diameter of conical structure, be respectively equipped with groove groove and locking groove on the outer wall of described float and the wedge shape clamp, when the groove on wedge shape clamp and the float outer wall mutually during interlock, float and hull are locked.During the float come-up, utilize high pressure pump to get rid of float in-to-in ballast water, make float produce the buoyancy come-up; When hull and float were freed, float is inner to inject ballast water, and sinks to the safe depth of water.The disclosed float of this patent application system, can realize more easily with hull between be connected and free, but, being connected and freeing in the process at float and hull, how to realize the location of float and hull, avoid relatively rotating between float and the hull, so that locking operation, how to control the come-up and the sinking of float more easily, still await further perfect.
The utility model content
The technical problems to be solved in the utility model provide a kind of come-up with sink more easy to control, with being connected and freeing more convenient float system of hull.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of being used for and FPSO hull bonded assembly float system, comprise float and be connected anchor chain and standpipe on the float, described float comprises cone portion and base, the bottom surface of cone portion is fixed on the described base, be provided with a permanent buoyancy module and a draining cabin in the described float, the bottom in draining cabin is provided with the discharge port that can open and close, the top of float is provided with the vent that is connected with the draining cabin, described vent is connected with air compressor by air inlet pipe when the air inlet of float come-up, links to each other by the floating float of the air inlet pipe and the water surface when float sinking exhaust.
Preferably, described base is cylindrical.
Preferably, described permanent buoyancy module is arranged in the base, and described draining cabin is arranged in the inner chamber of the periphery of permanent buoyancy module and cone portion.
Preferably, described cone portion surface is provided with many rubber anti-collision bars that extend to the bottom from the top.
Preferably, described cone portion is made of a matrix round platform, and the bottom of the matrix round platform of the plane cutting that axis a plurality of and the matrix round platform parallels makes the bottom surface of cone portion be equilateral polygon.
Further, the equilateral polygon of described cone portion bottom surface be at the bottom of the described matrix round platform circle in connect equilateral polygon.
Further, the conical surface of described cone portion matrix round platform is provided with location, many places teeth groove.
Preferably, the cone portion of described float is made of a matrix round platform, and the part conical surface at matrix round platform top is cut out a plurality of planes, makes the end face of cone portion be equilateral polygon.
Further, the equilateral polygon of described cone portion end face be described matrix round platform tip circle in connect equilateral polygon.
Further, the surface of described cone portion is provided with a plurality of and the perpendicular pin-and-hole of cone portion axis.
Compared with prior art, the beneficial effects of the utility model are: 1, a permanent buoyancy module and a draining cabin be set in the float, when permanent buoyancy module can guarantee that float drops to the target location, the downward pulling force of the gravity that the buoyancy that float is subjected to and it are subjected to, anchor chain and standpipe just balanced each other.The draining cabin is connected with compressed air system via vent, when the draining cabin when inflate at the top, ballast water is by the discharge port draining of float bottom in the draining cabin, float is subjected to buoyancy greater than gravity and the downward pulling force sum of standpipe mooring, can control float and float; When draining bilge portion opening was opened into water, air was discharged by freeing pipe from float top pore, and the buoyancy that the downward pulling force sum of gravity that float is subjected to and standpipe mooring is subjected to greater than float can be controlled float.This cover jacking system is simply efficient, need not complex apparatus, and the lifting control of float is easier to be realized in marine environment thereby make.2, the combination of circular conical surface and polygon plane is adopted on the surface of float cone portion, when float is connected with hull, can utilize polygon plane to realize location anti-rotation fast, and then with cone portion locking, thereby make being connected and freeing more convenient of float and hull.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model float system.
Fig. 2 is the perspective view of a kind of float of the utility model.
Fig. 3 is the birds-eye view of float shown in Figure 2.
Fig. 4 is that float shown in Figure 2 is connected with hull or a kind of view when freeing.
Fig. 5 is the perspective view of the another kind of float of the utility model.
Fig. 6 is the birds-eye view of float shown in Figure 5.
Fig. 7 is that float shown in Figure 5 is connected with hull or a kind of view when freeing.
The specific embodiment
As shown in Figure 1, the utility model is a kind of to be used for drawing together float with FPSO hull bonded assembly float system turnkey and anchor chain 33 of being connected with float, standpipe 34 etc., wherein float comprises a cone portion 21 and a base 22, and the bottom surface of cone portion 21 is fixed on the base 22.Be provided with a permanent buoyancy module 29 and a draining cabin 26 in the base 22, permanent buoyancy module 29 is fully enclosed cavitys, and draining cabin 26 is arranged on the periphery of permanent buoyancy module 29, and the inner chamber of cone portion 21 is connected with base, constitutes draining cabin 26 jointly.The bottom in draining cabin 26 is provided with the discharge port 27 that can open and close, the top of cone portion 21 is provided with the vent 28 that is connected with draining cabin 26, when the air inlet of float come-up, vent 28 is connected with air compressor 32 by air inlet pipe 31, and one is arranged on air compressor 32 on the deck in ship structure on the water surface 30.When adding ballast water in the draining cabin 26, vent 28 links to each other by the floating float of the air inlet pipe and the water surface and carries out exhaust, and float can sink to the water surface below 30.Because anchor chain 33 and 34 pairs of downward pulling force of float of standpipe change with the depth of water, and the existence of permanent buoyancy module 29 can guarantee when float drops to the target location, the downward pulling force of the gravity that the buoyancy that float is subjected to and it are subjected to, anchor chain and standpipe just balances each other, and rests on this degree of depth.
As shown in Figure 2, in a kind of embodiment of the present utility model, the base 22 of float is cylindrical, its cone portion 21 is made of a matrix round platform (frustum of a cone), and a part of conical surface at matrix round platform top is cut out a plurality of planes 25, makes the end face of cone portion 21 be equilateral polygon (as shown in Figure 3), be regular hexagon in the present embodiment, and connect regular hexagon in the just in time described matrix round platform of the regular hexagon of the cone portion end face tip circle, in Fig. 3, the tip circle of broken circle 20 expression matrix round platforms.Cone portion 21 is provided with a plurality of pin-and-holes 23 near the surface of bottom, and the axis of pin-and-hole 23 and cone portion 21 axis are perpendicular.The surface of cone portion 21 also is provided with many rubber anti-collision bars 24 that extend to the bottom from the top.
Connection procedure below by explanation float and hull can more be expressly understood the function and the effect of above-mentioned each architectural feature.
, can the vent of air inlet pipe with the float top be connected with before hull is connected at float by under-water robot (ROV).
In conjunction with Fig. 2, Fig. 4, when air compressor 32 by air inlet pipe 31 in float draining cabin during injecting compressed air, the discharge port opening water discharge in draining cabin, float is at the buoyancy function float downward, by towboat hull 10 is positioned and adjusts, the cone portion 21 of float is just in time inserted in the conical through-hole that is provided with on the hull 10.When the top of float was concordant with the deck of hull 10, discharge port was closed.Slide block 16 in the hull conical through-hole can inwardly slide, and the equilateral polygon clamping with the cone portion top realizes location just.Then, the latch 13 in the hull also inwardly stretches out, and inserts in the pin-and-hole 23 of cone portion, locks, and avoids play up and down and rotation between float and the hull, thereby realizes that float is connected with the reliable of hull.The process that float is freed is then opposite with said process, and float is loosened in slide block 16 and latch 13 withdrawals, and the discharge port of float is opened water inlet then, and float is sunk.
As shown in Figure 5, in second kind of embodiment of the present utility model, the base 22 of float also is cylindrical, its cone portion 21 is made of a matrix round platform, the bottom of the matrix round platform of the plane 25 ' cutting that axis a plurality of and the matrix round platform parallels, make the bottom surface of cone portion be equilateral polygon, as shown in Figure 6, be regular hexagon in the present embodiment, and connect regular hexagon in the circle at the bottom of the just in time described matrix round platform of the regular hexagon of cone portion bottom surface, in Fig. 6, the end circle of broken circle 20 ' expression matrix round platform.The conical surface of cone portion 21 matrix round platforms is provided with location, many places teeth groove 23 '.The surface of cone portion 21 also is provided with many rubber anti-collision bars 24 that extend to the bottom from the top.
The following describes the float of second kind of embodiment and the connection procedure of hull.
In conjunction with Fig. 5 and Fig. 7, when float inflation come-up, hull 10 is positioned and adjusts by towboat, the cone portion 21 of float is just in time inserted in the conical through-hole that is provided with on the hull 10.Rubber anti-collision bar 24 can play buffer action when float and hull collision.When the top of float was concordant with the deck of hull 10, discharge port was closed.The bottom of hull 10 conical through-holes also is designed to noncircular cross section, and is just in time suitable with the shape of cone portion 21 bottoms, guarantees that float can not relatively rotate, and realizes location just.Then, the tooth plate 13 ' in the hull inwardly stretches out, and in the location teeth groove 23 ' on the surface of insertion cone portion 21, locks, and avoids play up and down and rotation between float and the hull, thereby realizes that float is connected with the reliable of hull.The process that float is freed is then opposite with said process, and float is loosened in tooth plate 13 ' withdrawal, and the discharge port of float is opened water inlet then, and float is sunk.When sinking down into the specified design degree of depth, reach new buoyancy-gravitational equilibrium, discharge port is closed, but hull 10 then ship towed be dragged to safe marine site.
Claims (10)
1. one kind is used for and FPSO hull bonded assembly float system, comprise float and be connected anchor chain and standpipe on the float, described float comprises cone portion and base, the bottom surface of cone portion is fixed on the described base, it is characterized in that, be provided with a permanent buoyancy module and a draining cabin in the described float, the bottom in draining cabin is provided with the discharge port that can open and close, the top of float is provided with the vent that is connected with the draining cabin, described vent is connected with air compressor by air inlet pipe when the air inlet of float come-up, links to each other by the floating float of the air inlet pipe and the water surface when float sinking exhaust.
2. float according to claim 1 system is characterized in that described base is cylindrical.
3. float according to claim 1 system is characterized in that described permanent buoyancy module is arranged in the base, and described draining cabin is arranged in the inner chamber of the periphery of permanent buoyancy module and cone portion.
4. float according to claim 1 system is characterized in that, described cone portion surface is provided with many rubber anti-collision bars that extend to the bottom from the top.
5. float according to claim 1 system is characterized in that described cone portion is made of a matrix round platform, and the bottom of the matrix round platform of the plane cutting that axis a plurality of and the matrix round platform parallels makes the bottom surface of cone portion be equilateral polygon.
6. float according to claim 5 system is characterized in that, the equilateral polygon of described cone portion bottom surface be at the bottom of the described matrix round platform circle in connect equilateral polygon.
7. float according to claim 5 system is characterized in that, the conical surface of described cone portion matrix round platform is provided with location, many places teeth groove.
8. float according to claim 1 system is characterized in that the cone portion of described float is made of a matrix round platform, and the part conical surface at matrix round platform top is cut out a plurality of planes, makes the end face of cone portion be equilateral polygon.
9. float according to claim 8 system is characterized in that, the equilateral polygon of described cone portion end face be described matrix round platform tip circle in connect equilateral polygon.
10. float according to claim 8 system is characterized in that, the surface of described cone portion is provided with a plurality of and the perpendicular pin-and-hole of cone portion axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020544499XU CN201816728U (en) | 2010-09-27 | 2010-09-27 | Floater system used for being connected with floating production storage and offloading (FPSO) hull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020544499XU CN201816728U (en) | 2010-09-27 | 2010-09-27 | Floater system used for being connected with floating production storage and offloading (FPSO) hull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201816728U true CN201816728U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020544499XU Expired - Lifetime CN201816728U (en) | 2010-09-27 | 2010-09-27 | Floater system used for being connected with floating production storage and offloading (FPSO) hull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201816728U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417012A (en) * | 2010-09-27 | 2012-04-18 | 上海利策科技有限公司 | Floater system connected with floating production storage and offloading (FPSO) boat body |
| CN103925172A (en) * | 2014-04-08 | 2014-07-16 | 上海交通大学 | Integral mounting assisting device and mounting method for tension leg type offshore floating wind turbine |
| CN104590497A (en) * | 2015-01-30 | 2015-05-06 | 上海外高桥造船有限公司 | FPSO (Float Production Storage and Offloading) ship |
| TWI648200B (en) * | 2018-03-22 | 2019-01-21 | 宇泰工程顧問有限公司 | Recyclable gravity anchor block |
-
2010
- 2010-09-27 CN CN201020544499XU patent/CN201816728U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417012A (en) * | 2010-09-27 | 2012-04-18 | 上海利策科技有限公司 | Floater system connected with floating production storage and offloading (FPSO) boat body |
| CN102417012B (en) * | 2010-09-27 | 2013-11-27 | 上海利策科技股份有限公司 | Floater system connected with floating production storage and offloading (FPSO) boat body |
| CN103925172A (en) * | 2014-04-08 | 2014-07-16 | 上海交通大学 | Integral mounting assisting device and mounting method for tension leg type offshore floating wind turbine |
| CN103925172B (en) * | 2014-04-08 | 2017-05-17 | 上海交通大学 | Integral mounting method for tension leg type offshore floating wind turbine |
| CN104590497A (en) * | 2015-01-30 | 2015-05-06 | 上海外高桥造船有限公司 | FPSO (Float Production Storage and Offloading) ship |
| TWI648200B (en) * | 2018-03-22 | 2019-01-21 | 宇泰工程顧問有限公司 | Recyclable gravity anchor block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI RICHTECH CO., LTD. Free format text: FORMER NAME: SHANGHAI RICHTECH INC. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 200233, Shanghai, Xuhui District Hongmei Road, 1905, far from the scientific research building 9 Patentee after: Shanghai Richtech Co., Ltd. Address before: 200233, Shanghai, Xuhui District Hongmei Road, 1905, far from the scientific research building 9 Patentee before: Shanghai Richtech Inc. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20110504 Effective date of abandoning: 20131127 |
|
| RGAV | Abandon patent right to avoid regrant |