CN203099322U - Marine low-temperature fluid handling device - Google Patents

Marine low-temperature fluid handling device Download PDF

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Publication number
CN203099322U
CN203099322U CN 201320061010 CN201320061010U CN203099322U CN 203099322 U CN203099322 U CN 203099322U CN 201320061010 CN201320061010 CN 201320061010 CN 201320061010 U CN201320061010 U CN 201320061010U CN 203099322 U CN203099322 U CN 203099322U
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CN
China
Prior art keywords
nitrogen
anchor ear
ball
valve
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201320061010
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Chinese (zh)
Inventor
韩会林
黄卫东
王利民
孙兰萍
张洪道
张圣康
张兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIANYUNGANG YUANYANG LOADING UNLOADING EQUIPMENT CO Ltd
Original Assignee
LIANYUNGANG YUANYANG LOADING UNLOADING EQUIPMENT CO Ltd
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Application filed by LIANYUNGANG YUANYANG LOADING UNLOADING EQUIPMENT CO Ltd filed Critical LIANYUNGANG YUANYANG LOADING UNLOADING EQUIPMENT CO Ltd
Priority to CN 201320061010 priority Critical patent/CN203099322U/en
Application granted granted Critical
Publication of CN203099322U publication Critical patent/CN203099322U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to a marine low-temperature fluid handling device comprising a vertical post, an inner arm, an outer arm and an emergency release device, wherein the vertical post and the inner arm, the inner arm and the outer arm as well as the outer arm and the emergency release device are all connected by rotating joints; and the emergency release device comprises an upper ball valve, a lower ball valve, a hoop assembly for connecting the two ball valves and a power mechanism for controlling on-off of the two ball valves and emergently releasing the ball valves. According to the marine low-temperature fluid handling device, an open type nitrogen channel of the rotating joint is reasonably utilized for discharging water vapor generated in a nitrogen purging channel and a heat insulation cavity from a nitrogen outlet, the water vapor is prevented from being frozen in a steel ball rolling path to damage roll of bearing balls because the accumulative water vapor is timely carried out by dry nitrogen, and the bearing balls can normally work in transmission in low-temperature medias, such as liquefied natural gas, low-temperature ethylene. By utilizing a main sealing device, a secondary sealing device, an end face sealing device I, an end face sealing device II and a nitrogen sealing device, the good tightness of the rotating joints is ensured.

Description

A kind of cryogen materials handling equipment peculiar to vessel
Technical field
The utility model relates to the fluid assembly and disassembly equipment that transmits between a kind of cargo ship and the harbour, particularly a kind of cryogen materials handling equipment peculiar to vessel.
Background technique
Finish the transmission of liquid medium between shipment cargo ship and the harbour by fluid assembly and disassembly arm, and existing fluid assembly and disassembly arm can not be to the conveying of LNG Liquefied natural gas (LNG ,-162 °), low temperature ethylene cryogen media such as (104 °).Fluid assembly and disassembly arm is the critical component on the harbour, and swivel joint and emergency separating device are the critical components of fluid assembly and disassembly arm.So on the one hand because the temperature of cryogen medium is lower, thereby make the icing raceway that has destroyed swivel joint of steam in the swivel joint steel ball raceway easily, on the other hand because of uncertain reasons such as stormy waves, cargo ship can float from normal operating range, though existing loading and unloading arm has certain extension distance, but when surpassing this extension distance, will pull phenomenon, general pullling can damage transfusion apparatus, make the conveying leak of liquid, cause sea pollution, serious meeting is collapsed fluid assembly and disassembly arm, causes serious accident.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, proposes a kind of cryogen materials handling equipment peculiar to vessel that keep the inner drying of swivel joint and fluid assembly and disassembly arm is broken away from fast.
The technical problems to be solved in the utility model is to realize by the following technical programs, a kind of cryogen materials handling equipment peculiar to vessel, comprise column, inner arm, outer arm and emergency separating device, between column and inner arm, between inner arm and outer arm, between outer arm and emergency separating device, all link to each other by swivel joint, described emergency separating device comprises, following two ball valves, connect anchor ear assembly and two ball valve break-makes of control of two ball valves and make the power mechanism of ball valve ejection escape, be characterized in: described swivel joint comprises the outer ring that is sleeved on the inner ring, above inner ring, be provided with upper flange, below inner ring, be provided with lower flange, upper flange and inner ring are fixedly linked, lower flange and outer ring are fixedly linked, be provided with lining in inner ring inside, between lining and inner ring, be provided with heat-insulation chamber, lining and last, main sealing device is housed between the lower flange, be set to the nitrogen purge passage between the outer wall of inner ring and the outer ring inwall, on the nitrogen purge passage, be provided with two annular steel ball raceways, several in annular steel ball raceway, are equipped with in can realize, the bearing ball of outer ring independent rotation, in nitrogen purge passage and lower flange connecting part, outer both sides are equipped with secondary seal device and face seals I respectively, in nitrogen purge passage and upper flange connecting part, outer both sides are equipped with face seals II and nitrogen gas seal equipment respectively, on inner ring, be provided with the nitrogen inlet that communicates with heat-insulation chamber, on the outer ring, be provided with the nitrogen outlet that communicates with the nitrogen purge passage, be provided with the nitrogen that the nitrogen purge passage is communicated with heat-insulation chamber and pass through the hole between two annular steel ball raceways, described nitrogen inlet is through heat-insulation chamber, nitrogen has constituted open nitrogen passage by hole and nitrogen purge passage to nitrogen outlet; The downstream valve body that two upper and lower ball valves of described emergency separating device include the upstream valve body, be fixedly linked with the upstream valve body and be installed in the upstream valve body and the interior spheroid of the formed valve pocket of downstream valve body, on the valve body of the valve pocket downstream of ball valve, be equipped with the downstream valve seat of fitting with the spheroid sphere, on the valve body of the valve pocket upstream of ball valve, be equipped with the upstream valve seat of fitting, between the upstream of ball valve valve seat and upstream valve body, be equipped with belleville spring with the spheroid sphere.
The technical problems to be solved in the utility model can also come further to realize by the following technical programs, described anchor ear assembly comprises anchor ear seat and the check lock lever that is fixed on down on the valve body of ball valve upstream, the anchor ear seat is provided with the left and right anchor ear that connects upper and lower ball valve, hinging shaft and the end of check lock lever of right anchor ear by cross setting is hinged, left side anchor ear is provided with the jaw of opening towards the downward placement check lock lever the other end, is provided with to cooperate the locking nut that clamps check lock lever with jaw on check lock lever.
The technical problems to be solved in the utility model can also come to realize that further described left and right anchor ear all is hinged on the anchor ear seat by the hinging shaft of vertical setting by the following technical programs.
The technical problems to be solved in the utility model can also come further to realize by the following technical programs, is respectively equipped with the spring assembly that struts of accelerating left and right anchor ear opening speed between the upstream valve body of left and right anchor ear and following ball valve.
Compared with prior art, the utility model rationally utilizes the open nitrogen passage of swivel joint that the steam that is produced in nitrogen purge passage and the heat-insulation chamber is discharged from nitrogen outlet, because the dry timely steam that gathers must being taken out of of nitrogen, thereby avoided steam in the steel ball raceway, to freeze and destroyed the rolling of bearing ball, made in the transmission of cryogenic medias such as LNG Liquefied natural gas, low temperature ethylene, to be able to proper functioning; Utilize main sealing device, secondary seal device, face seals I, face seals II and nitrogen gas seal equipment etc. in the swivel joint, guaranteed the good of swivel joint sealing; Utilize two ball-valve structures of emergency separating device, upstream valve seat by being installed in ball valve and the belleville spring between the valve body of upstream, the upstream valve seat is fitted with spheroid all the time,, also can still guarantee the good of ball valve sealing even under the situation of low temperature or part gross distortion.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of emergency separating device;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the structural representation of swivel joint;
Fig. 6 is the structural representation of ball valve.
Embodiment
A kind of cryogen materials handling equipment peculiar to vessel, comprise column 1, inner arm 4, outer arm 5 and emergency separating device 3, between column 1 and inner arm 4, between inner arm 4 and outer arm 5, between outer arm 5 and emergency separating device 3, all link to each other by swivel joint 2, described emergency separating device 3 comprises, following two ball valves, connect anchor ear assembly 7 and two ball valve break-makes of control of two ball valves and make the power mechanism 9 of ball valve ejection escape, described swivel joint 2 comprises the outer ring 20 that is sleeved on the inner ring 19, above inner ring 19, be provided with upper flange 18, below inner ring 19, be provided with lower flange 24, upper flange 18 is fixedly linked with inner ring 19, lower flange 24 is fixedly linked with outer ring 20, be provided with lining 23 in inner ring 19 inside, between lining 23 and inner ring 19, be provided with heat-insulation chamber 30, lining 23 is with last, main sealing device 26 is housed between the lower flange, be set to the nitrogen purge passage between the outer wall of inner ring 19 and outer ring 20 inwalls, on the nitrogen purge passage, be provided with two annular steel ball raceways, several in annular steel ball raceway, are equipped with in can realize, the bearing ball 22 of outer ring independent rotation, in nitrogen purge passage and lower flange 24 connecting parts, outer both sides are equipped with secondary seal device 27 and face seals I 28 respectively, in nitrogen purge passage and upper flange 18 connecting parts, outer both sides are equipped with face seals II 33 and nitrogen gas seal equipment 32 respectively, on inner ring 19, be provided with the nitrogen inlet 31 that communicates with heat-insulation chamber 30, on outer ring 20, be provided with the nitrogen outlet 29 that communicates with the nitrogen purge passage, be provided with the nitrogen that the nitrogen purge passage is communicated with heat-insulation chamber 30 and pass through hole 21 between two annular steel ball raceways, described nitrogen inlet 31 is through heat-insulation chamber 30, nitrogen has constituted open nitrogen passage by hole 21 and nitrogen purge passage to nitrogen outlet 29; The downstream valve body 39 that two upper and lower ball valves of described emergency separating device 3 include upstream valve body 34, be fixedly linked with upstream valve body 34 and be installed in spheroid 37 in upstream valve body 34 and the downstream valve body 39 formed valve pockets, on the valve pocket downstream of ball valve valve body 39, be equipped with the downstream valve seat 38 of fitting with spheroid 37 spheres, on the valve pocket upstream of ball valve valve body 34, be equipped with the upstream valve seat 36 of fitting, between the upstream of ball valve valve seat 36 and upstream valve body 34, be equipped with belleville spring 35 with spheroid 37 spheres.Also be provided with flowing medium Leak testtion hole at lower flange 8 over against nitrogen purge passage place, the place is equipped with FERRULETYPE free flow coupling 25 in flowing medium Leak testtion hole, with the source pressure direction as the upstream, so the downstream valve body of upper ball valve 6 docks with the upstream valve body of following ball valve 8.
Described anchor ear assembly 7 comprises anchor ear seat 10 and the check lock lever 13 that is fixed on down on the ball valve 8 upstream valve bodies, anchor ear seat 10 is provided with the left and right anchor ear that connects upper and lower ball valve, right anchor ear 11 is hinged with an end of check lock lever 13 by the hinging shaft 14 of cross setting, left side anchor ear 16 is provided with the jaw of opening towards the other end of downward placement check lock lever 13, is provided with to cooperate the locking nut 15 that clamps check lock lever 13 with jaw on check lock lever 13; Described left and right anchor ear all is hinged on the anchor ear seat 10 by the hinging shaft 17 of vertical setting; Between the upstream valve body of left and right anchor ear and following ball valve 8, be respectively equipped with accelerate left and right anchor ear opening speed strut spring assembly 12.
Owing to will carry out FLUID TRANSPORTATION,, and after assembling is finished, also will carry out a series of equipment sealing and detect test, the sealing of inspection equipment so each pipeline weldquality must reach the requirement of JB/T4730 II level when equipment welds.For example carry out the hydrostatic test, whether under the pressure of 2.4Mpa, checking has leakage phenomenon; Also to carry out the low temperature liquid nitrogen test, and before the low temperature liquid nitrogen test, should earlier the ponding in the oil-feeding arm pipeline be cleaned out.After device assembles is finished, also to carry out unloaded balance adjustment, make inner arm 4 have the trend of recovery.

Claims (4)

1. cryogen materials handling equipment peculiar to vessel, comprise column, inner arm, outer arm and emergency separating device, between column and inner arm, between inner arm and outer arm, between outer arm and emergency separating device, all link to each other by swivel joint, described emergency separating device comprises, following two ball valves, connect anchor ear assembly and two ball valve break-makes of control of two ball valves and make the power mechanism of ball valve ejection escape, it is characterized in that: described swivel joint comprises the outer ring that is sleeved on the inner ring, above inner ring, be provided with upper flange, below inner ring, be provided with lower flange, upper flange and inner ring are fixedly linked, lower flange and outer ring are fixedly linked, be provided with lining in inner ring inside, between lining and inner ring, be provided with heat-insulation chamber, lining and last, main sealing device is housed between the lower flange, be set to the nitrogen purge passage between the outer wall of inner ring and the outer ring inwall, on the nitrogen purge passage, be provided with two annular steel ball raceways, several in annular steel ball raceway, are equipped with in can realize, the bearing ball of outer ring independent rotation, in nitrogen purge passage and lower flange connecting part, outer both sides are equipped with secondary seal device and face seals I respectively, in nitrogen purge passage and upper flange connecting part, outer both sides are equipped with face seals II and nitrogen gas seal equipment respectively, on inner ring, be provided with the nitrogen inlet that communicates with heat-insulation chamber, on the outer ring, be provided with the nitrogen outlet that communicates with the nitrogen purge passage, be provided with the nitrogen that the nitrogen purge passage is communicated with heat-insulation chamber and pass through the hole between two annular steel ball raceways, described nitrogen inlet is through heat-insulation chamber, nitrogen has constituted open nitrogen passage by hole and nitrogen purge passage to nitrogen outlet; The downstream valve body that two upper and lower ball valves of described emergency separating device include the upstream valve body, be fixedly linked with the upstream valve body and be installed in the upstream valve body and the interior spheroid of the formed valve pocket of downstream valve body, on the valve body of the valve pocket downstream of ball valve, be equipped with the downstream valve seat of fitting with the spheroid sphere, on the valve body of the valve pocket upstream of ball valve, be equipped with the upstream valve seat of fitting, between the upstream of ball valve valve seat and upstream valve body, be equipped with belleville spring with the spheroid sphere.
2. cryogen materials handling equipment peculiar to vessel according to claim 1, it is characterized in that: described anchor ear assembly comprises anchor ear seat and the check lock lever that is fixed on down on the valve body of ball valve upstream, the anchor ear seat is provided with the left and right anchor ear that connects upper and lower ball valve, hinging shaft and the end of check lock lever of right anchor ear by cross setting is hinged, left side anchor ear is provided with the jaw of opening towards the downward placement check lock lever the other end, is provided with to cooperate the locking nut that clamps check lock lever with jaw on check lock lever.
3. cryogen materials handling equipment peculiar to vessel according to claim 2 is characterized in that: described left and right anchor ear all is hinged on the anchor ear seat by the hinging shaft of vertical setting.
4. cryogen materials handling equipment peculiar to vessel according to claim 2 is characterized in that: be respectively equipped with the spring assembly that struts of accelerating left and right anchor ear opening speed between the upstream valve body of left and right anchor ear and following ball valve.
CN 201320061010 2013-02-04 2013-02-04 Marine low-temperature fluid handling device Withdrawn - After Issue CN203099322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320061010 CN203099322U (en) 2013-02-04 2013-02-04 Marine low-temperature fluid handling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320061010 CN203099322U (en) 2013-02-04 2013-02-04 Marine low-temperature fluid handling device

Publications (1)

Publication Number Publication Date
CN203099322U true CN203099322U (en) 2013-07-31

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Application Number Title Priority Date Filing Date
CN 201320061010 Withdrawn - After Issue CN203099322U (en) 2013-02-04 2013-02-04 Marine low-temperature fluid handling device

Country Status (1)

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CN (1) CN203099322U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090181A (en) * 2013-02-04 2013-05-08 连云港远洋流体装卸设备有限公司 Ship-use low-temperature fluid loading and unloading device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090181A (en) * 2013-02-04 2013-05-08 连云港远洋流体装卸设备有限公司 Ship-use low-temperature fluid loading and unloading device
CN103090181B (en) * 2013-02-04 2015-04-22 连云港远洋流体装卸设备有限公司 Ship-use low-temperature fluid loading and unloading device

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130731

Effective date of abandoning: 20150422