CN202032222U - Liquid rotary joint for single-point mooring system - Google Patents
Liquid rotary joint for single-point mooring system Download PDFInfo
- Publication number
- CN202032222U CN202032222U CN2011200177728U CN201120017772U CN202032222U CN 202032222 U CN202032222 U CN 202032222U CN 2011200177728 U CN2011200177728 U CN 2011200177728U CN 201120017772 U CN201120017772 U CN 201120017772U CN 202032222 U CN202032222 U CN 202032222U
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- ring
- sealing
- joint
- support
- mooring system
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Abstract
The utility model discloses a liquid rotary joint for a single-point mooring system, which adopts a rotary bearing "butterfly" mode. The top of a support is equipped with an inner ring and the bottom of the support is equipped with two inlet pipes. An end cover is arranged on the inner ring. An outer ring is rotated around the inner ring and the end cover by a rotary support bearing equipped with a waterproof cover so as to form a matched sealing surface and an annular irregular-shaped cavity. The outer wall of the outer ring is symmetrically opened with two holes communicated with the annular irregular-shaped cavity and respectively connected with an outlet pipe. The liquid rotary joint adopts an L-shaped broken-line seal type. The first and second sealing surfaces are sand-prevention sealing rings connected with desanding grooves and sediment ejection holes communicated with the desanding grooves. The third to fifth sealing surfaces are sealing rings connected with leakage detection devices and each of the joint faces close to the outside thereof is equipped with a waterproof sealing ring. A plurality of joints can be combined for being used. The upper support can be connected with the lower end cover. Meanwhile, the liquid rotary joint of different calibers or a single joint or a stacking combination thereof can also be adopted. The liquid rotary joint is reasonable in structure, simple in installation and good in sealing performance, which can effectively avoid the wearing of inner and outer rings and side walls by sand particles.
Description
Technical field
The utility model relates to the liquid rotating joint that a kind of offshore oil and gas field production and outer defeated terminal etc. realize the occasion use of the economic exploitation, is specially adapted to single point mooring system.
Background technique
According to different waters, sea conditions, the mooring mode that present marine FPSO floating production storage unit mainly adopts has single point mooring system and multi-buoy mooring system.In single point mooring system, liquid rotating joint is being born the effect of fluid transmission terminal between underwater pipeline and FPSO.Liquid rotating joint can guarantee the FLUID TRANSPORTATION under uniform temperature, pressure and the flow, and self can carry out 360 ° rotating freely again; Both can singlely use, can get up to become a channel group use by closed assembly again.
Chinese patent ZL200720103290.8 rotary joint device; sealing contact form to liquid medium is the line seal pattern (section) that adopts in Vertical direction; can not handle the grains of sand in the liquid medium; the grains of sand can be deposited in the slit between the inside and outside ring; internally the wearing and tearing of ring side are bigger, influence sealing effect.
The single point mooring system of prior art exists the sealing effect difference particularly can't handle the technical problem of desilting with liquid rotating joint, the utility model is by adopting the husky hole of formed riffler of L shaped seal form and the row who links to each other, solved the problems referred to above, this joint also has stress equalization, simple advantage is installed.
This model utility has been broken foreign technology monopolization, realizes the production domesticization of liquid rotating joint, saves high investment cost.Can promote the development of domestic equipment manufacture.
Summary of the invention
The utility model has solved the technical problem that sealing effect difference that existing liquid rotating joint exists particularly can't be handled desilting, develops a kind ofly can get rid of the desilting in the liquid and the liquid rotating joint of good sealing effect.
Technical solution of the present utility model is achieved in that
A kind of single point mooring system liquid rotating joint, comprise support, inlet tube, interior ring, riffler, the husky hole of row, seal ring, leak hunting aperture, sand prevention sealing, ring-type abnormity cavity, outer shroud, pivoting support bearing, bearing water proof cover, end cap, waterproof grommet, outer pipe, the bottom that it is characterized in that described support has and the outside hole that is connected, and fixedlys connected with interior ring by bolt in the top; In ring flange in the bottom inner face have riffler by the lining outward and radially have with the husky hole of the row of its connection, three road annular seal grooves and seal ring, annular seal groove are housed respectively and waterproof grommet is housed at flange; The bottom surface of outer shroud and following periphery are united and are had hunt leak passage and leak hunting aperture, following inner headed face has four road annular seal grooves and the sand prevention sealing is housed respectively, the fovea superior end face has three road annular seal grooves and seal ring is housed respectively, last inner headed face has one annular seal groove and waterproof grommet is housed, above fixedly the rotating ring of pivoting support bearing and bearing water proof cover; Offer above the end cap and the outside tapped hole that is connected, fixedly connected with interior ring below by bolt, cylindrical and bearing water proof cover form sealing surface, and the cylindrical boss is the stationary ring of pivoting support bearing fixedly; Form a ring-type abnormity cavity between interior ring after the connection and the outer shroud; The sealing surface that contacts with seal ring all is provided with wear-resistant and corrosion resistant overlay cladding; Offer two holes that are communicated with ring-type abnormity cavity in interior ring bottom surface, connect inlet tube by bolt respectively; Offer two holes that are communicated with ring-type abnormity cavity in the outer wall symmetry of outer shroud, connect outer pipe by bolt respectively.
Described single-point swivel joint can be for being used in combination more than one, top support is connected down on the end cap of face revolving joint, a plurality of successively connections, each inlet tube and each outer pipe mutual noninterference are fastened on the pipeline and the floating production storage unit in seabed respectively; Also can adopt different bores or single or closed assembly to be used in combination as required.
Compared with prior art, the utility model has the advantages that conspicuously, mainly show:
1, adopt floating bearing-" butterfly " mode, inner chamber is imported and exported the formula that goes with each other all the time that adopts.Rational in infrastructure, install simple, manufacturing easily, good airproof performance.
2, adopt multiple-sealed circle, form L shaped broken-line type seal style.
3, adopt 2 road sand prevention sealings, effectively reduce the grains of sand that sink to the inside and outside ring surface of contact.
4, adopt riffler and arrange husky hole, effectively solve the wearing and tearing of the internal outer shroud sidewall of the grains of sand in the medium.
Description of drawings
The utility model has accompanying drawing 3 width of cloth, wherein:
Fig. 1 is a structural representation plan view of the present utility model;
Fig. 2 is a structural representation plan view of the present utility model;
Fig. 3 is the partial enlarged drawing of Fig. 1.
Among the figure, 1, support, 2, inlet tube, 3, interior ring, 4, riffler, 5, arrange husky hole, 6, seal ring, 7, leak hunting aperture, 8, the sand prevention sealing, 9, ring-type abnormity cavity, 10 outer shrouds, 11, pivoting support bearing, 12, the bearing water proof cover, 13, end cap, 14, waterproof grommet, 15, outer pipe.
Embodiment
A kind of single point mooring system liquid rotating joint as illustrated in fig. 1 and 2 mainly comprises support 1, inlet tube 2, interior ring 3, riffler 4, the husky hole 5 of row, seal ring 6, leak hunting aperture 7, sand prevention sealing 8, ring-type abnormity cavity 9, outer shroud 10, pivoting support bearing 11, bearing water proof cover 12, end cap 13, waterproof grommet 14, outer pipe 15.Liquid rotating joint structure of the present invention comprises a support 1, be bolted to connection ring 3 at the top of support 1, the bottom of ring 3 in two inlet tubes 2 are connected by the bolt on the pipe flange separately, above the interior ring 3 end cap 13 is installed, by pivoting support 11 outer shroud 10 is rotated around end cap 13 and interior ring 3, form matching trim and a ring-type abnormity cavity 9 between end cap 13 after the connection and interior ring 3 and the outer shroud 10.Outer wall symmetry at outer shroud 10 offers two holes, and the wall of tapping respectively is provided with an outer pipe 15 that can rotate with outer shroud outward, and an end of outer pipe 15 connects ring-type abnormity cavity 9, and the other end connects the pipeline of single point mooring unit.
The utility model adopts multiple-sealed circle, forms L shaped broken-line type seal style, and first road, second road are that five roads, sand prevention seal ring 8, the three roads to the are seal ring 6, are provided with waterproof grommet 14 in the close outside on each mating face.
Pivoting support bearing 11 is three row's roller type floating bearings; Pivoting support bearing 11 is outside equipped with bearing water proof cover 12, can waterproof and foreign matter enter.
The corresponding from inside to outside seal ring 6 of arranging three road v-seal lips in substantially horizontal place, slit between the end face of interior ring and outer shroud.In three seals circle 6, be primary seal circle 6 near the twice at interior ring center, away from interior ring center be reserve seal ring 6 together, after current one seal ring lost efficacy, one seal ring in back sealed, and guarantees liquid slip ring trouble free service under design conditions.The outer shroud bottom surface that contacts with the seal ring that is provided with on the interior ring is provided with overlay cladding, and the end cap bottom surface that contacts with the seal ring of outer top surface of ring setting also is provided with overlay cladding, reaches wear-resistant and corrosion resistant purpose.Per pass seal ring 6 correspondingly is provided with leak detecting device, can find at once if any leaking.Have a riffler 4 above interior ring 3 flange in the bottom and radially have the husky hole 5 of the row who is communicated with it, will be deposited on riffler 4 interior sands through the sand prevention sealing and go out by high pressure water.
Described single-point swivel joint is more than one, top support 1 is connected down on the end cap 13 of face revolving joint, a plurality of successively connections, outer pipe 15 mutual noninterferences of each inlet tube 2 and each swivel joint are fastened on the pipeline in seabed and the pipeline of floating production storage unit respectively.
The utility model can adopt the assembling form of different bores or single or closed assembly as required, and the investment cost of greatly saving offshore oil field development has very wide prospect.
Claims (3)
1. single point mooring system liquid rotating joint, comprise support (1), inlet tube (2), interior ring (3), riffler (4), arrange husky hole (5), seal ring (6), leak hunting aperture (7), sand prevention sealing (8), ring-type abnormity cavity (9), outer shroud (10), pivoting support bearing (11), bearing water proof cover (12), end cap (13), waterproof grommet (14), outer pipe (15), the bottom that it is characterized in that described support (1) has and the outside hole that is connected, and fixedlys connected with interior ring (3) by bolt in the top; In ring (3) flange in the bottom inner face have riffler (4) by the lining outward and radially have with the husky hole (5) of the row of its connection, three road annular seal grooves and seal ring (6), annular seal groove are housed respectively and waterproof grommet (14) is housed at flange; The bottom surface of outer shroud (10) and following periphery are united and are had hunt leak passage and leak hunting aperture (7), following inner headed face has four road annular seal grooves and sand prevention sealing (8) is housed respectively, the fovea superior end face has three road annular seal grooves and seal ring (6) is housed respectively, last inner headed face has one annular seal groove and waterproof grommet (14) is housed, above fixedly the rotating ring of pivoting support bearing (11) and bearing water proof cover (12); Offer above the end cap (13) and the outside tapped hole that is connected, fixedly connected with interior ring (3) below by bolt, cylindrical and bearing water proof cover (12) form sealing surface, and the cylindrical boss is the stationary ring of pivoting support bearing (11) fixedly; Form a ring-type abnormity cavity (9) between interior ring (3) after the connection and the outer shroud (10); The sealing surface that contacts with seal ring all is provided with wear-resistant and corrosion resistant overlay cladding; Offer two holes that are communicated with ring-type abnormity cavity (9) in interior ring (3) bottom surface, connect inlet tube (2) by bolt respectively; Offer two holes that are communicated with ring-type abnormity cavity (9) in the outer wall symmetry of outer shroud (10), connect outer pipe (15) by bolt respectively.
2. a kind of single point mooring system liquid rotating joint according to claim 1, it is characterized in that described single-point swivel joint can be for being used in combination more than one, top support (1) is connected down on the end cap (13) of face revolving joint, a plurality of successively connections, each inlet tube (2) and each outer pipe (15) mutual noninterference are fastened on the pipeline and the floating production storage unit in seabed respectively.
3. a kind of single point mooring system liquid rotating joint according to claim 1 is characterized in that described single-point swivel joint can adopt different bores or single or closed assembly to be used in combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200177728U CN202032222U (en) | 2011-01-19 | 2011-01-19 | Liquid rotary joint for single-point mooring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200177728U CN202032222U (en) | 2011-01-19 | 2011-01-19 | Liquid rotary joint for single-point mooring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202032222U true CN202032222U (en) | 2011-11-09 |
Family
ID=44894519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200177728U Expired - Lifetime CN202032222U (en) | 2011-01-19 | 2011-01-19 | Liquid rotary joint for single-point mooring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202032222U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135216A (en) * | 2011-01-19 | 2011-07-27 | 大连华锐股份有限公司 | Liquid rotating joint for single point mooring system |
| CN103388719A (en) * | 2013-08-13 | 2013-11-13 | 青岛迪玛尔海洋工程有限公司 | Two-way cross rotary joint of single point mooring system |
| CN113859447A (en) * | 2021-09-06 | 2021-12-31 | 山东鼎盛精工股份有限公司 | Liquid slip ring device of single-upright-column mooring production system |
-
2011
- 2011-01-19 CN CN2011200177728U patent/CN202032222U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135216A (en) * | 2011-01-19 | 2011-07-27 | 大连华锐股份有限公司 | Liquid rotating joint for single point mooring system |
| CN103388719A (en) * | 2013-08-13 | 2013-11-13 | 青岛迪玛尔海洋工程有限公司 | Two-way cross rotary joint of single point mooring system |
| CN103388719B (en) * | 2013-08-13 | 2015-08-19 | 青岛迪玛尔海洋工程有限公司 | Two road four-way swivel joints of single point mooring system |
| CN113859447A (en) * | 2021-09-06 | 2021-12-31 | 山东鼎盛精工股份有限公司 | Liquid slip ring device of single-upright-column mooring production system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111109 Effective date of abandoning: 20120704 |