Vortex-induced vibration suppression device, offshore oil and gas conveying device and conveying equipment

Abstract

The utility model discloses a vortex-induced vibration suppression device, an ocean oil and gas conveying device and conveying equipment, and relates to the technical field of ocean oil and gas conveying equipment, the vortex-induced vibration suppression device comprises a sleeve and a plurality of control rods, the sleeve is used for being arranged on the periphery of an ocean oil and gas pipeline in a sleeving mode and is rotatably connected with the ocean oil and gas pipeline through a bearing, and the control rods are arranged on the sleeve. A plurality of grooves are formed in the peripheral wall of the sleeve; the control rods are connected with the sleeve and arranged on the periphery of the sleeve, the control rods and the sleeve are arranged at intervals, the control rods are distributed in the circumferential direction of the sleeve at intervals, and the control rods extend in the axial direction of the sleeve; thus, by arranging the casing pipe, the marine oil and gas pipeline is prevented from being corroded by seawater, the grooves are formed to separate ocean currents, reduce formation of surrounding vortexes and effectively buffer impact of the ocean currents, and by arranging the control rod, formation of vortexes is disturbed or the transmission mode of the vortexes is changed, vortex-induced vibration is further restrained, and the stability of the marine oil and gas pipeline is enhanced. And ocean oil and gas can be safely and stably transmitted.

Description

Technical Field

[0001] The utility model relates to the technical field of marine oil and gas transportation equipment, in particular to a vortex-induced vibration suppression device, a marine oil and gas transportation device and transportation equipment. Background Art

[0002] With the increasing development and utilization of marine resources, offshore oil and gas pipelines, as an important means of transporting oil and gas resources, play a vital role in deep-sea environments. However, existing offshore oil and gas pipelines are susceptible to vortex-induced vibration (VIV) under the long-term influence of complex marine environments such as currents and waves. VIV not only causes fatigue damage to pipeline structures and shortens pipeline service life, but can also trigger serious safety incidents such as oil and gas leaks, posing significant risks to the marine environment and resource development. Utility Model Content

[0003] The main purpose of the utility model is to provide a vortex-induced vibration suppression device, a marine oil and gas transportation device and transportation equipment that can effectively suppress vortex-induced vibration.

[0004] To achieve the above objectives, the present invention proposes a vortex-induced vibration suppression device comprising:

[0005] A sleeve, which is used to be sleeved on the outer periphery of a marine oil and gas pipeline and is rotatably connected to the marine oil and gas pipeline via a bearing, wherein the outer peripheral wall of the sleeve is provided with a plurality of grooves; and

[0006] A plurality of control rods are connected to the sleeve, arranged on the outer periphery of the sleeve, spaced apart from the sleeve, and distributed along the circumference of the sleeve. Each of the control rods is extended along the axial direction of the sleeve.

[0007] Optionally, two bearings are sleeved on the inner circumference of the casing, and the two bearings are respectively arranged at both ends of the casing and sleeved on the outer circumference of the marine oil and gas pipeline.

[0008] Optionally, the bearing is a rolling bearing or a sliding bearing.

[0009] Optionally, the cross section of each groove is circular.

[0010] Optionally, a plurality of the grooves are regularly distributed on the outer peripheral wall of the sleeve.

[0011] Optionally, the plurality of control rods are connected to the sleeve via a flange.

[0012] The present invention also provides a marine oil and gas transportation device, which comprises:

[0013] Offshore oil and gas pipelines; and,

[0014] a vortex-induced vibration suppression device, sleeved on the outer circumference of the marine oil and gas pipeline;

[0015] Wherein, the vortex-induced vibration suppression device includes:

[0016] A sleeve, which is used to be sleeved on the outer periphery of a marine oil and gas pipeline and is rotatably connected to the marine oil and gas pipeline via a bearing, wherein the outer peripheral wall of the sleeve is provided with a plurality of grooves; and

[0017] A plurality of control rods are connected to the sleeve, arranged on the outer periphery of the sleeve, spaced apart from the sleeve, and distributed along the circumference of the sleeve. Each of the control rods is extended along the axial direction of the sleeve.

[0018] Optionally, the vortex-induced vibration suppression device further includes two flanges, which are sleeved on the outer circumference of the sleeve and are respectively arranged at both ends of the sleeve, and the control rod is connected to the two flanges.

[0019] The utility model also provides a marine oil and gas transportation equipment, comprising a plurality of marine oil and gas transportation devices, wherein the plurality of marine oil and gas transportation devices are flange-connected in sequence along the transportation direction of the marine oil and gas;

[0020] Wherein, the marine oil and gas transportation device includes:

[0021] Offshore oil and gas pipelines; and,

[0022] The vortex-induced vibration suppression device is sleeved on the outer circumference of the marine oil and gas pipeline.

[0023] Optionally, a sealing gasket is provided between the two flanges of any two adjacent marine oil and gas transmission devices.

[0024] In the technical solution of the present invention, the casing is sleeved on the outer periphery of the marine oil and gas pipeline, and a closed space is formed between the casing and the marine oil and gas pipeline, so that seawater directly contacts the casing, thereby protecting the marine oil and gas pipeline, preventing the marine oil and gas pipeline from being corroded by seawater, and extending the service life of the marine oil and gas pipeline; and the casing is rotatably connected to the marine oil and gas pipeline through a bearing, which not only supports the casing through the bearing so that the casing can be stably sleeved on the outer periphery of the marine oil and gas pipeline to avoid deviation or deformation due to ocean current disturbance, but also the casing can rotate relative to the marine oil and gas pipeline, which can effectively buffer the impact of ocean current, reduce the formation of surrounding vortexes, and disperse the marine oil and gas pipeline. the vibration energy of the channel; in addition, the outer peripheral wall of the casing is provided with a plurality of grooves, which can change the flow pattern of the ocean current on the surface of the casing, so that the ocean current separates, forms a more stable flow, reduces the frequency of vortex formation, and reduces the impact force of the ocean current, suppresses vortex-induced vibration, reduces the fatigue damage caused by vortex-induced vibration to the vortex-induced vibration suppression device and the marine oil and gas pipeline, and extends the service life; at the same time, by arranging a plurality of control rods on the periphery of the casing, the flow direction and speed of the ocean current around the control rods are changed, thereby interfering with the formation of vortices or changing the propagation mode of vortices, further effectively suppressing vortex-induced vibrations, enhancing the stability of the marine oil and gas pipeline, and enabling safe and stable transmission of marine oil and gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0026] Figure 1 A partial structural diagram of an embodiment of the marine oil and gas transportation equipment provided by the present utility model;

[0027] Figure 2 for Figure 1 A top view of the vortex-induced vibration suppression device;

[0028] Figure 3 for Figure 1 Schematic diagram of the connection between the two flanges of COSCO's oil and gas transmission equipment.

[0029] Description of Figure Numbers:

[0030] Label name Label name 10000 Marine oil and gas transportation equipment 2 joystick 1000 Marine oil and gas transportation equipment 3 bearings 100 Vortex-induced vibration suppression device 4 flange 1 casing 200 Marine oil and gas pipelines 11 groove 2000 Sealing gasket

[0031] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0035] With the increasing development and utilization of marine resources, offshore oil and gas pipelines, as an important means of transporting oil and gas resources, play a vital role in deep-sea environments. However, existing offshore oil and gas pipelines are susceptible to vortex-induced vibration (VIV) under the long-term influence of complex marine environments such as currents and waves. VIV not only causes fatigue damage to pipeline structures and shortens pipeline service life, but can also trigger serious safety incidents such as oil and gas leaks, posing significant risks to the marine environment and resource development.

[0036] In view of this, the present invention provides a marine oil and gas transportation equipment 10000, Figures 1 to 3 For an embodiment of the marine oil and gas transportation equipment 10000 provided by the present utility model, please refer to Figure 1The marine oil and gas transportation equipment 10000 includes a plurality of marine oil and gas transportation devices 1000, and the plurality of marine oil and gas transportation devices 1000 are flange-connected in sequence along the transportation direction of marine oil and gas. The marine oil and gas transportation device 1000 includes a marine oil and gas pipeline 200 and a vortex-induced vibration suppression device 100. The vortex-induced vibration suppression device 100 is sleeved on the outer periphery of the marine oil and gas pipeline 200. The main utility model point of the present invention lies in the improvement of the vortex-induced vibration suppression device 100. The vortex-induced vibration suppression device 100 is mainly described below with reference to specific drawings.

[0037] See also Figure 1 and Figure 2 The vortex-induced vibration suppression device 100 includes a casing 1 and a plurality of control rods 2. The casing 1 is used to be sleeved on the outer periphery of the marine oil and gas pipeline 200 and is rotatably connected to the marine oil and gas pipeline 200 through a bearing 3. The outer peripheral wall of the casing 1 is provided with a plurality of grooves 11; the plurality of control rods 2 are connected to the casing 1, are arranged on the outer periphery of the casing 1, and are spaced apart from the casing 1 and distributed at intervals along the circumference of the casing 1. Each of the control rods 2 is extended along the axial direction of the casing 1.

[0038] In the technical solution of the present invention, the casing 1 is sleeved on the outer periphery of the marine oil and gas pipeline 200, and a closed space is formed between the casing 1 and the marine oil and gas pipeline 200, so that seawater directly contacts the casing 1, thereby protecting the marine oil and gas pipeline 200, preventing the marine oil and gas pipeline 200 from being corroded by seawater, and extending the service life of the marine oil and gas pipeline 200; and the casing 1 and the marine oil and gas pipeline 200 are rotatably connected through the bearing 3. Not only is the bearing 3 supporting the casing 1, so that the casing 1 can be stably sleeved on the outer periphery of the marine oil and gas pipeline 200 to avoid deviation or deformation due to ocean current disturbance, but the casing 1 can also rotate relative to the marine oil and gas pipeline 200, which can effectively buffer the impact of ocean current, reduce the formation of surrounding vortexes, and distribute Dissipate the vibration energy of the marine oil and gas pipeline 200; in addition, the outer wall of the casing 1 is provided with a plurality of grooves 11, which can change the flow pattern of the ocean current on the surface of the casing 1, so that the ocean current is separated, forming a more stable flow, reducing the frequency of vortex formation, and reducing the impact force of the ocean current, suppressing vortex-induced vibration, reducing the fatigue damage caused by vortex-induced vibration to the vortex-induced vibration suppression device 100 and the marine oil and gas pipeline 200, and extending the service life; at the same time, by arranging a plurality of the control rods 2 on the periphery of the casing 1, the flow direction and speed of the ocean current around the control rods 2 are changed, thereby interfering with the formation of vortices or changing the propagation mode of vortices, further suppressing vortex-induced vibrations, enhancing the stability of the marine oil and gas pipeline 200, and enabling marine oil and gas to be transmitted safely and stably.

[0039] It should be noted that, in the present invention, the plurality of control rods 2 are evenly spaced and distributed on the outer circumference of the casing 1 , thereby improving the stability of the marine oil and gas pipeline 200 .

[0040] In one embodiment of the present invention, two bearings 3 are sleeved on the inner circumference of the casing 1. The two bearings 3 are respectively arranged at both ends of the casing 1 and sleeved on the outer circumference of the marine oil and gas pipeline 200. In this way, the connection between the marine oil and gas pipeline 200 and the casing 1 is ensured to be stable.

[0041] In an embodiment of the present invention, the bearing 3 is a rolling bearing or a sliding bearing, which can reduce the friction between the casing 1 and the marine oil and gas pipeline 200 during rotation, thereby extending the service life.

[0042] For details, please refer to Figure 1 The cross section of each groove 11 is circular, which separates the ocean current and effectively reduces the formation of eddies, thereby suppressing vibration.

[0043] For details, please refer to Figure 1 , multiple grooves 11 are regularly distributed on the outer peripheral wall of the sleeve 1.

[0044] It should be noted that, in one embodiment of the present invention, a plurality of grooves 11 are distributed in an array on the outer peripheral wall of the sleeve 1. In another embodiment of the present invention, please refer to Figure 1 The multiple grooves 11 are divided into multiple groove groups, and the multiple groove groups are distributed at intervals along the axial direction of the sleeve 1. The multiple grooves 11 in each groove group are distributed at intervals along the circumferential direction of the sleeve 1, and are staggered with the multiple grooves 11 in the adjacent groove groups.

[0045] Specifically, the plurality of control rods 2 are connected to the sleeve 1 via flanges.

[0046] See also Figure 1 In one embodiment of the present invention, the vortex-induced vibration suppression device 100 also includes two flanges 4, which are sleeved on the outer periphery of the sleeve 1 and are respectively arranged at both ends of the sleeve 1, and the control rod 2 is connected to the two flanges 4.

[0047] See also Figure 1 and Figure 3In one embodiment of the present invention, the multiple marine oil and gas transmission devices 1000 within the marine oil and gas transmission equipment 10000 are flange-connected in sequence along the direction of marine oil and gas transmission. That is, any two adjacent marine oil and gas transmission devices 1000 are detachably connected via the flange 4. Thus, the marine oil and gas transmission equipment 10000 adopts a modular unit design. When the marine oil and gas transmission equipment 10000 is damaged and needs to be replaced, it is not necessary to replace the entire marine oil and gas transmission equipment 10000. Instead, the damaged marine oil and gas transmission device 1000 only needs to be disassembled and replaced. This significantly reduces the maintenance cost of the marine oil and gas transmission equipment 10000, thereby reducing production costs during marine oil and gas development.

[0048] See also Figure 1 and Figure 3 In one embodiment of the present invention, a sealing gasket 2000 is provided between the two flanges 4 of any two adjacent marine oil and gas transportation devices 1000; in this way, the two adjacent marine oil and gas transportation devices 1000 are sealed and connected by the sealing gasket 2000 to prevent oil and gas leakage, and at the same time have a buffering and shock-absorbing effect, reducing damage to the marine oil and gas transportation equipment 10000.

[0049] More specifically, the sealing gasket 2000 is fixedly installed between the two flanges 4 by bolts and nuts. Furthermore, a gasket is provided between the nut and the flange 4.

[0050] In one embodiment of the present invention, the sealing gasket 2000 is made of highly elastic silicone material to adapt to the tiny displacement of the marine oil and gas transmission device caused by the dynamic pressure of the water flow while maintaining good sealing performance.

[0051] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A vortex-induced vibration suppression device, characterized in that: The vortex-induced vibration suppression device comprises: A sleeve, which is used to be sleeved on the outer periphery of a marine oil and gas pipeline and is rotatably connected to the marine oil and gas pipeline via a bearing, wherein the outer peripheral wall of the sleeve is provided with a plurality of grooves; and A plurality of control rods are connected to the sleeve, arranged on the outer periphery of the sleeve, spaced apart from the sleeve, and distributed along the circumference of the sleeve. Each of the control rods is extended along the axial direction of the sleeve.

2. The vortex-induced vibration suppression device according to claim 1, characterized in that: The inner periphery of the sleeve is sleeved with two bearings, which are respectively arranged at two ends of the sleeve and sleeved on the outer periphery of the marine oil and gas pipeline.

3. The vortex-induced vibration suppression device according to claim 2, characterized in that: The bearing is a rolling bearing or a sliding bearing.

4. The vortex-induced vibration suppression device according to claim 1, characterized in that: The cross section of each groove is circular.

5. The vortex-induced vibration suppression device according to claim 1 or 4, characterized in that: The plurality of grooves are regularly distributed on the outer peripheral wall of the sleeve.

6. The vortex-induced vibration suppression device according to claim 1, characterized in that: A plurality of control rods are connected to the casing flange.

7. A marine oil and gas transportation device, characterized in that: The marine oil and gas transportation device comprises: Offshore oil and gas pipelines; and, The vortex-induced vibration suppression device according to any one of claims 1 to 6 is sleeved on the outer circumference of the marine oil and gas pipeline.

8. The marine oil and gas transportation device according to claim 7, characterized in that: The vortex-induced vibration suppression device also includes two flanges, which are sleeved on the outer circumference of the sleeve and are respectively arranged at both ends of the sleeve, and the control rod is connected to the two flanges.

9. A marine oil and gas transportation equipment, characterized in that: It comprises a plurality of marine oil and gas transmission devices as claimed in claim 8, wherein the plurality of marine oil and gas transmission devices are flange-connected in sequence along the transmission direction of marine oil and gas.

10. The marine oil and gas transportation equipment according to claim 9, characterized in that: A sealing gasket is provided between the two flanges of any two adjacent marine oil and gas transmission devices.

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