CN215752897U

CN215752897U - Single-leg rotary table type external output single point

Info

Publication number: CN215752897U
Application number: CN202120726427.5U
Authority: CN
Inventors: 尹汉军; 刘波; 董宝辉; 纪志远; 杨健; 郭明荃; 陈鹏; 周楠; 王屹; 黄钰; 孙伯娜; 王东
Original assignee: Offshore Oil Engineering Co Ltd
Current assignee: Offshore Oil Engineering Co Ltd
Priority date: 2021-04-10
Filing date: 2021-04-10
Publication date: 2022-02-08
Anticipated expiration: 2031-04-10

Abstract

The utility model discloses a single-leg rotary table type output single point, which comprises a fixed part and a rotating part, wherein the fixed part is of a single-leg upright post steel pile structure, the rotating part is positioned above the fixed part, and the fixed part is fixedly connected with the rotating part; the rotating part comprises a rotary table structure, a bearing and a slip ring tower, the bearing is fixed at the center of the rotary table structure, the slip ring tower is located above the bearing, and the slip ring tower is connected with the bearing. The sea area can be effectively reduced through the single leg rotary table type output single point, and the reduction of the sea area is also convenient for the mooring and docking of oil tanker ships and the oil transportation operation; in addition, the column type supporting structure can bear larger external load, and the whole single-point system is protected to operate safely and stably; the oil tanker can transport crude oil to land through a single point without building a wharf, thereby greatly saving time and reducing cost; the design structure is delicate, the single-hanging installation can be realized, and the offshore installation cost is reduced.

Description

Single-leg rotary table type external output single point

Technical Field

The utility model relates to the technical field of offshore oil engineering, in particular to a single-leg rotary table type output single point.

Background

The single-leg rotary platform type export single point is used for mooring a tanker or an FPSO (Floating Production Storage and Offloading), can enable the tanker to have a wind vane effect, and is one of important equipment for offshore oil development.

The following problems mainly exist for the existing single-point type: the catenary buoy type single-point anchor chain mooring has a large occupied sea area range, and can cause damage to marine ecological environment in an area with a sea area use range, and cannot be put into use. Meanwhile, the oil tanker can generate instantaneous impact on single-point mooring when being moored, the load is large, strict requirements on stability are met, the catenary single-point installation process is complex, the construction period is long, and the offshore installation cost is increased. Therefore, aiming at the requirement of limited use in sea areas, the conventional single-point mooring type cannot meet the actual use requirement, and needs to be redesigned.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of how to provide a novel single-leg rotary table type output single point, and compared with the traditional anchor chain float-type single point, the single-leg rotary table type output single point can effectively reduce the use area of a sea area, and is convenient for mooring and docking of oil tanker ships and oil transportation operation; meanwhile, the single-point system can bear larger external load, and the whole single-point system is protected to operate safely and stably; in addition, the time and the cost can be saved.

In order to solve the technical problem, the utility model provides a single-leg rotary table type output single point, which comprises a fixed part and a rotating part, wherein the fixed part is of a single-leg upright post steel pile structure, the rotating part is positioned above the fixed part, and the fixed part is fixedly connected with the rotating part; the rotating part comprises a rotary table structure, a bearing and a slip ring tower, the bearing is fixed at the center of the rotary table structure, the slip ring tower is located above the bearing, and the slip ring tower is connected with the bearing.

Furthermore, the turntable structure is a three-arm structure and comprises a pipeline arm, a mooring arm and a balance arm.

Further, the included angle between the pipeline arm and the mooring arm ranges from 65 degrees to 85 degrees, and the included angle between the pipeline arm and the balance arm ranges from 155 degrees to 175 degrees.

Furthermore, a mooring device is arranged on the mooring arm, and the mooring device is a mooring lug.

Furthermore, a first outward conveying pipeline is arranged on the pipeline arm, and an anti-corrosion coating is arranged on the first outward conveying pipeline.

Furthermore, a storage battery, a solar panel, a lubricating oil injection box, a fog whistle and a control device are arranged on the balance arm.

Furthermore, the single-leg upright post steel pile structure further comprises a reinforced skirt pile leg for being stably fixed on the seabed.

Furthermore, the fixed part also comprises a circular manifold platform.

Furthermore, the circular manifold platform is fixed on the single-leg upright post steel pile structure and is provided with a second external transmission pipeline and a control valve for realizing the pipe cleaning operation with a shore pipe cleaner.

Furthermore, a floating hose is connected between the second outer transport pipe and the tanker for transporting the petroleum medium to the tanker.

The utility model has the technical effects that: compared with the traditional anchor chain buoy type single point, the single-leg rotary table type output single point can effectively reduce the use area of a sea area, and particularly aims at the sea area with a culture area on the near shore; the use of the reduced sea area is also convenient for the mooring and docking of oil tanker ships and the oil transportation operation; in addition, the column type supporting structure can bear larger external load, and the whole single-point system is protected to operate safely and stably; the oil tanker can transport crude oil to land through a single point without building a wharf, thereby greatly saving time and reducing cost; the design structure is delicate, the single-hanging installation can be realized, and the offshore installation cost is reduced.

Drawings

Fig. 1 is a schematic view of a single-leg rotary table type single point of external transportation provided by the utility model.

Fig. 2 is a top view of a single-leg rotary table type external transportation single-point rotary table provided by the utility model.

The system comprises a rotating part 1, a rotating part 2, a fixing part 11, a rotary table structure 12, a bearing 13, a slip ring tower 21, a single-leg upright post steel pile 22, a reinforced skirt pile leg 23, a manifold platform 111, a pipeline arm 112, a mooring arm 113, a balance arm 211, a reinforcing beam structure 212, a reinforcing rib structure 231, a control valve 232, a second external transmission pipeline 1111, a first external transmission pipeline 1121, a

mooring keel

1121, 1131, a storage battery 1132, a control device 1133, a lubricating oil injection box 1134, a solar panel 1135 and a fog whistle.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

Referring to fig. 1-2, an embodiment of the present invention provides a single-leg rotating table type output single point, including a fixed portion 2 and a rotating portion 1, where the fixed portion 2 is a single-leg upright steel pile structure, the rotating portion 1 is located above the fixed portion 2, and the fixed portion 2 is fixedly connected to the rotating portion 1.

The rotating part 1 comprises a rotary table structure 11, a bearing 12 and a slip ring tower 13, wherein the bearing 12 is fixed at the center of the rotary table structure 11, the slip ring tower 13 is located above the bearing 12, and the slip ring tower 13 is connected with the bearing 12.

Wherein, slip ring tower 13 passes through bolted connection with bearing 12 inboard to realize slip ring tower 13 and bearing 12's synchronous rotation, slip ring tower 13 is used for connecting first export pipeline 1111 and carries the transmission oil medium, rotating part 1 can moor the tanker, and carries out 360 degrees rotations. The slip ring tower 13 is located on top of the whole device, and the slip ring tower 13 comprises a plurality of layers of slip rings.

Further, referring to fig. 2, the turntable structure 11 is a three-arm structure, and includes a pipe arm 111, a mooring arm 112, and a balance arm 113.

Specifically, the included angle between the pipeline arm 111 and the mooring arm 112 ranges from 65 degrees to 85 degrees, and the included angle between the pipeline arm 111 and the balance arm 113 ranges from 155 degrees to 175 degrees. The mooring arm 112 is provided with a mooring device, which is a mooring dragon ear 1121. The pipeline arm 111 is provided with a first outward conveying pipeline 1111, and the first outward conveying pipeline 1111 is provided with an anti-corrosion coating. The balance arm 113 is provided with a storage battery 1131, a solar panel 1134, a lubricating oil injection box 1133, a fog whistle 1135 and a control device 1132.

The first external transmission pipelines 1111 may be sequentially disposed on the pipeline arm 111, and adjacent first external transmission pipelines 1111 may be fixedly connected through a connecting rod (not shown). And the specific positions of the battery 1131, the solar panel 1134, the lubricating oil injection box 1133, the fog whistle 1135 and the control device 1132 which are arranged on the balance arm 113 can be actually set, for example: the battery 1131 and the oil column may be partially located below the solar panel 1134.

Further, the single-leg pillar steel pile structure further includes a reinforcing skirt leg 22 for stable fixation to the sea bottom. The reinforcing skirt pile legs 22 can be symmetrically provided with a plurality of the reinforcing skirt pile legs 22, and the upper end of each reinforcing skirt pile leg 22 is fixedly connected with the single-leg upright post steel pile 21 through the reinforcing beam structure 211. The reinforcing beam structure 211 and the single-leg upright steel pile 21 form a certain angle, the angle satisfies 0-90 degrees, and is controlled at 45 degrees as far as possible, so that the stability is enhanced. Each reinforcing skirt leg 22 corresponds to a reinforcing beam structure 211. The lower end of each reinforcing skirt pile leg 22 is fixedly connected with the single-leg upright post steel pile 21 through a reinforcing rib structure 212. The reinforcing skirt pile legs 22 are fixedly connected with the single-leg upright post steel pile 21 through the reinforcing beam structures 211 and the reinforcing rib structures 212 respectively so as to realize synchronous rotation.

Further, the fixing portion 2 further includes a circular manifold platform 23. Circular manifold platform 23 is fixed in single-legged stand steel pile structure, and is provided with second defeated pipeline 232 and control flap 231 outward for realize with bank side pig's pigging operation. A floating hose is also connected between the second export pipeline 232 and the tanker for transporting the petroleum medium to the tanker.

Wherein the second outer delivery conduit 232 may comprise a plurality of conduits, such as: 2 strips. The outlets of the plurality of second outgoing conduits 232 may extend in opposite directions to output, respectively.

In the embodiment of the utility model, compared with the traditional anchor chain buoy type single point, the single-leg rotary table type output single point can effectively reduce the use area of a sea area, particularly the sea area with a culture area near the shore; the use of the reduced sea area is also convenient for the mooring and docking of oil tanker ships and the oil transportation operation; in addition, the column type supporting structure can bear larger external load, and the whole single-point system is protected to operate safely and stably; the oil tanker can transport crude oil to land through a single point without building a wharf, thereby greatly saving time and reducing cost; the design structure is delicate, the single-hanging installation can be realized, and the offshore installation cost is reduced.

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. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the utility model is all within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The utility model provides a single leg revolving stage formula exports single point which characterized in that: comprises a fixed part and a rotating part, wherein,

the rotating part is positioned above the fixed part, and the fixed part is fixedly connected with the rotating part;

the rotating part comprises a rotary table structure, a bearing and a slip ring tower, the bearing is fixed at the center of the rotary table structure, the slip ring tower is located above the bearing, and the slip ring tower is connected with the bearing.

2. The single-legged rotary table type single point of external transportation according to claim 1, wherein: the turntable structure is a three-arm structure and comprises a pipeline arm, a mooring arm and a balance arm.

3. The single-legged rotary table type single point of external transportation according to claim 2, wherein: the included angle between the pipeline arm and the mooring arm ranges from 65 degrees to 85 degrees, and the included angle between the pipeline arm and the balance arm ranges from 155 degrees to 175 degrees.

4. The single-legged rotary table type single point of external transportation according to claim 2, wherein: the mooring arm is provided with a mooring device which is a mooring keel.

5. The single-legged rotary table type single point of external transportation according to claim 2, wherein: the pipeline arm is provided with a first outward conveying pipeline, and the first outward conveying pipeline is provided with an anti-corrosion coating.

6. The single-legged rotary table type single point of external transportation according to claim 2, wherein: the balance arm is provided with a storage battery, a solar panel, a lubricating oil injection box, a fog whistle and a control device.

7. The single-legged rotary table type single point of external transportation according to claim 1, wherein: the single-leg upright post steel pile structure further comprises reinforced skirt pile legs for being stably fixed on the seabed.

8. The single-legged rotary table type single point of external transportation according to claim 1, wherein: the fixed part further comprises a circular manifold platform.

9. The single-legged rotary table type single point of external transportation according to claim 8, wherein: the circular manifold platform is fixed on the single-leg upright post steel pile structure, is provided with a second external transmission pipeline and a control valve and is used for realizing

10. The single-legged rotary table type single point of external transportation according to claim 9, wherein: and a floating hose is connected between the second external transmission pipeline and the oil tanker and used for conveying the oil medium to the oil tanker.