CN110005941A - Arm pipe purges Anti-freezing low temperature fluid handling arm - Google Patents
Arm pipe purges Anti-freezing low temperature fluid handling arm Download PDFInfo
- Publication number
- CN110005941A CN110005941A CN201910363148.4A CN201910363148A CN110005941A CN 110005941 A CN110005941 A CN 110005941A CN 201910363148 A CN201910363148 A CN 201910363148A CN 110005941 A CN110005941 A CN 110005941A
- Authority
- CN
- China
- Prior art keywords
- arm
- freezing
- rotary joint
- pipe
- low temperature
- 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.)
- Granted
Links
- 238000007710 freezing Methods 0.000 title claims abstract description 99
- 238000010926 purge Methods 0.000 title claims abstract description 72
- 239000012530 fluid Substances 0.000 title claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 239000007791 liquid phase Substances 0.000 claims abstract description 56
- 239000012071 phase Substances 0.000 claims abstract description 44
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 210000002310 elbow joint Anatomy 0.000 claims abstract description 3
- 239000003351 stiffener Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000005728 strengthening Methods 0.000 claims 1
- 238000010408 sweeping Methods 0.000 claims 1
- 210000002435 tendon Anatomy 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 30
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 15
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000008014 freezing Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/10—Arrangements for preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/02—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/031—Dealing with losses due to heat transfer
- F17C2260/032—Avoiding freezing or defrosting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention belongs to low temperature fluid handling apparatus fields, and in particular to a kind of arm pipe purging Anti-freezing low temperature fluid handling arm.Technical solution is as follows: including column support, gas phase arm and liquid phase arm, gas phase arm and liquid phase arm pass through Anti-freezing cryogen rotary joint and articulated arm bearing bracket stand is connected on column support side by side, gas phase arm and liquid phase arm include articulated arm, gyroscopic pendulum swing arm, linking arm, Anti-freezing cryogen rotary joint, elbow bend, arm pipe purge system, low-temperature breakaway valve and Spring balancer, are sequentially connected by Anti-freezing low temperature stream rotary joint between the articulated arm and gyroscopic pendulum swing arm, between gyroscopic pendulum swing arm and linking arm.The present invention avoids the air with vapor with bearing touch to prevent from freezing using sealing cavity configuration；It is using arm pipe purge system that the residual low temperature fluid handling in arm pipe is clean；Solving the problems, such as that the rotary joint of current low temperature fluid handling arm freezes in order to prevent must be purged with nitrogen and using the rotary resistance of steel ball rolling channel structure is big, service life is short.
Description
Technical field
The invention belongs to low temperature fluid handling apparatus fields, and in particular to a kind of arm pipe purging Anti-freezing low temperature fluid handling
Arm.
Background technique
Currently, the rotary joint in the loading arm of the cryogens apparatus field such as liquid nitrogen, liquid oxygen, liquefied natural gas application
Using steel ball rolling channel structure, and the position and the extraneous gap area by between part.
The vapor in air enters the inside by gap thereon in order to prevent, generates frost at steel ball rolling channel position
And lead to not rotate, rotary joint has nitrogen purge system, during cryogen is by loading arm, it is necessary to use nitrogen
Constantly the steel ball rolling channel position inside rotary joint is purged, prevents air from entering the inside of rotary joint, needs
It is equipped with nitrogen pipeline, not only increases the cost of equipment, also wastes nitrogen；There is channel of nitrogen inside cryogenic swivel,
So that rotary joint structure is complicated, it is easy to appear failure, and is not easy to dismounting maintenance.
Since low temperature fluid handling arm includes multiple cryogenic swivels, each rotary joint requires nitrogen purging, institute
By rotary joint need to get up to form rotary joint nitrogen purge system with piping connection, thus to Pull breaking ualve installation site
Just there is limitation, Pull breaking ualve cannot be mounted on to the position on nitrogen sparge tube road, otherwise once malfunctioning, low temperature is broken
Valve can not draw away or low-temperature breakaway valve is pulled off rear also rotary joint nitrogen purge system pipeline and ins succession, and Pull breaking ualve does not play
It should play the role of breaking pipeline, fluid transport vehicle, fluid assembly and disassembly arm be drawn bad, cause fluid leakage, generate fire, quick-fried
The safety accidents such as fried, environmental pollution increase the weight of tail end arm so Pull breaking ualve can be only installed on the arm pipe of least significant end,
So that operation is laborious.
Cryogenic swivel uses steel ball rolling channel structure, and rotary resistance is big, and operation is laborious, and service life is short, dismounting
Maintenance difficult.
Summary of the invention
The present invention provides a kind of arm pipe purging Anti-freezing low temperature fluid handling arm, avoids steaming with water using sealing cavity configuration
The air of gas prevents from freezing with bearing touch；The residual low temperature fluid handling in arm pipe is done using arm pipe purge system
Only；The rotary joint for solving current low temperature fluid handling arm freezes must be purged with nitrogen and using steel ball rolling channel in order to prevent
The problem that structure rotary resistance is big, service life is short.
Technical scheme is as follows:
Arm pipe purges Anti-freezing low temperature fluid handling arm, including column support, gas phase arm and liquid phase arm, gas phase arm and liquid phase arm
It is connected on column support side by side by Anti-freezing cryogen rotary joint and articulated arm bearing bracket stand, gas phase arm and liquid phase arm are equal
Including articulated arm, gyroscopic pendulum swing arm, linking arm, Anti-freezing cryogen rotary joint, elbow bend, arm pipe purge system, low
Warm Pull breaking ualve and Spring balancer pass through between the articulated arm and gyroscopic pendulum swing arm, between gyroscopic pendulum swing arm and linking arm
Anti-freezing low temperature stream rotary joint is sequentially connected；Anti-freezing cryogen rotary joint include end face seal connecting flange, housing,
Rotatory sealing locating flange, rotation pipe axis, seal disc and radial bearing, end face seal connecting flange, rotatory sealing locating flange
The removable upper and lower ends for being connected to the housing respectively；The removable upper end for being connected to rotation pipe axis of seal disc；Rotate pipe axis
Radial bearing, the end face seal connecting flange, housing, rotatory sealing locating flange, rotation pipe are set between the housing
Axis, seal disc and housing end face seal, the rotatory sealing of pipe axis, the sealing of rotation pipe axial end, annulus sealing ring, end face between it
Rotatory sealing constitutes seal chamber outside interior rotatory sealing, end face, and the radial bearing is arranged in the seal chamber.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, and the ring-type in the rotation pipe axis middle section is recessed
Be coaxially disposed half-round clamping ring in slot, be set with half-round clamping ring positioning sleeve outside half-round clamping ring, end face seal connecting flange with to mandrel
Bearing positioning sleeve is set between bearing outer-ring, and bearing positioning sleeve is embedded in housing inner hole；Half-round clamping ring and rotatory sealing position
Thrust bearing is set between flange, and the blowout patche of the thrust bearing covers on rotation pipe axis, and end face is limited in half-round clamping ring thereon
Lower end surface, the seat ring of the thrust bearing is embedded in the groove of the upper surface of the rotatory sealing locating flange.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, and the radial bearing quantity is at least one
Group, radial bearing setting is between the housing and rotation pipe axis, so that the housing and rotation pipe axis constitute and roll connection；Position
It is limited in the lower end surface of the seal disc in the inner ring upper surface of the radial bearing on top, positioned at the inner ring of the radial bearing of lower part
Lower end surface is limited in the upper surface of half-round clamping ring, and the outer ring upper surface of superposed radial bearing is limited in bearing positioning sleeve
Lower end surface.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, wherein the upper surface of the seal disc is set
Annular groove is set, is arranged in end face in the annular groove and rotates Sealing shield ring；The end face seal connecting flange and the seal disc
Between the outer rotatory sealing in rotatory sealing and/or end face in end face is set, rotatory sealing is kept off embedded in rotatory sealing in end face in end face
In the inner hole of circle, rotatory sealing is in the inner hole of bearing positioning sleeve outside end face；The rotation pipe axis and rotatory sealing positioning mode
Between orchid, coaxial package at least one of pipe axis rotatory sealing on rotation pipe axis；The upper and lower end faces of rotatory sealing locating flange
Pipe axis rotatory sealing pressing ring is set in groove；Dust-proof coil flange, institute are set in the annular groove of rotatory sealing locating flange lower end
State the inner hole setting pipe axis dustband of dust-proof coil flange；End face seal connecting flange, seal disc and rotation pipe axis are equipped with mutually
The fluid channel centre bore being connected is respectively equipped with welding in the upper end of end face seal connecting flange and rotation pipe axis lower end
Interface；The lower end surface of end face seal connecting flange and the seal disc upper surface be respectively equipped with close to its center hole portion position and its
The coaxial stepped hole of centre bore itself, annulus sealing ring are embedded in the stepped hole；The outer set upper side and end face seal connect
Housing end face seal is respectively equipped between acting flange, between housing lower end and rotatory sealing locating flange；End face seal connection method
Blue, rotatory sealing locating flange is connected to the both ends of the housing with fastener three and fastener two respectively；Dust-proof coil flange
It is connected on rotatory sealing locating flange lower end surface with fastener one.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, and the gas phase arm and liquid phase arm include
Five Anti-freezing cryogen rotary joints and seven elbow bends；The articulated arm, gyroscopic pendulum swing arm, linking arm are level
Setting, the articulated arm end is connect with end interface on Anti-freezing cryogen rotary joint two by elbow bend two, anti-icing
Freeze cryogen rotary joint two and is connect with Anti-freezing cryogen rotary joint three by elbow bend three, Anti-freezing low temperature stream
The other end of body rotary joint three is connect with the head end of gyroscopic pendulum swing arm by elbow bend four, and the rotation of Anti-freezing cryogen connects
First two, Anti-freezing cryogen rotary joint four is plummet setting, Anti-freezing cryogen rotary joint three, Anti-freezing low temperature
Fluid rotary joint five is horizontally disposed；On the gyroscopic pendulum swing arm end of gas phase arm and Anti-freezing cryogen rotary joint four
End interface is connected by elbow bend five, and structure gas phase arm is turned under formation；The gyroscopic pendulum swing arm end of liquid phase arm is low with Anti-freezing
The lower end interface of warm fluid rotary joint four is connected by elbow bend five, and formation turns over structured liquid phase arm；The Anti-freezing of gas phase arm
The lower end of cryogen rotary joint four is connect with Anti-freezing cryogen rotary joint five by elbow bend six；Liquid phase arm
The upper end of Anti-freezing cryogen rotary joint four is connect with Anti-freezing cryogen rotary joint five by elbow bend six；It is anti-
The other end of Freezing fluid rotary joint five and the head end of linking arm are connected by elbow bend seven, and the end of linking arm is set
Set ring loose flange.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, the articulated arm include vertical shaft, threeway,
Anti-freezing cryogen rotary joint, articulated arm pipe and stiffener plate, vertical shaft, threeway, articulated arm pipe and stiffener plate composition three
Angular rock-steady structure, stiffener plate form upper structure in the upper surface of articulated arm pipe.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, and wherein low-temperature breakaway valve is separately positioned on
On the gyroscopic pendulum swing arm or linking arm of gas phase arm and liquid phase arm.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, and setting gas-liquid phase arm collapses on column support
Fixed device, it includes the fixed device substrate of gas-liquid phase arm, gas phase arm positioning column and liquid phase that the gas-liquid phase arm, which collapses fixed device,
Arm positioning column, gas phase arm positioning column and the setting side by side up and down of liquid phase arm positioning column are filling on the fixed device substrate of gas-liquid phase arm
It unloads after arm collapses and the ring loose flange is placed to respectively on gas phase arm positioning column and liquid phase arm positioning column.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, sets between column support and the articulated arm
Arm latch mechanism is set, the arm latch mechanism includes fixed lock, lock pin and dynamic locking plate, and fixed lock is arranged on column support, moves lock
Piece is arranged on articulated arm vertical shaft, and lock pin is arranged on fixed lock and passes through the lockhole of dynamic locking plate.
Further, the arm pipe purges Anti-freezing low temperature fluid handling arm, and the arm pipe purge system includes main road
Low temperature shut-off valve, arm pipe purging induction subsystem and arm pipe purge outlet subsystem, and arm pipe purging induction subsystem and arm pipe are blown
It scans out gas subsystem and respectively includes the vertical bend pipe of arm pipe purging, arm pipe purging hose, arm pipe purging low temperature shut-off valve and arm pipe purging
It bridge piece and is sequentially connected, arm pipe purging bridge piece is arranged on the middle section arm pipe after main road low temperature shut-off valve, blows
Vertical bend pipe is swept to be arranged on the column support.
The invention has the benefit that the present invention is low by residual therein with nitrogen purging arm pipe using arm pipe purge system
Warm fluid assembly and disassembly is clean.The present invention replaces steel ball pipeline configuration using bearing arrangement, and rotary resistance is small, flexible operation, uses the longevity
Life is long, it is convenient for disassembly and assembly to repair；Gas-liquid phase arm is set and collapses fixed device and locked mechanism, keeps collapsing when loading arm being made not work
It is status safety, neat.
Detailed description of the invention
Fig. 1 is Anti-freezing cryogen rotary joint structure figure；
Fig. 2 is that arm pipe purges one main view of Anti-freezing low temperature fluid handling arm embodiment；
Fig. 3 is that arm pipe purges one top view of Freezing fluid assembly and disassembly arm embodiment；
Fig. 4 is column support structure chart；
Fig. 5 is one main view of gas phase arm embodiment；
Fig. 6 is one top view of gas phase arm embodiment；
Fig. 7 is one main view of liquid phase arm embodiment；
Fig. 8 is one top view of liquid phase arm embodiment；
Fig. 9 is that arm pipe purges two main view of Anti-freezing low temperature fluid handling arm embodiment；
Figure 10 is that arm pipe purges two top view of Anti-freezing low temperature fluid handling arm embodiment；
Figure 11 is two main view of gas phase arm embodiment；
Figure 12 is two top view of gas phase arm embodiment；
Figure 13 is two main view of liquid phase arm embodiment；
Figure 14 is two top view of liquid phase arm embodiment.
Specific embodiment
Embodiment 1
As shown in figures 1-8, arm pipe purges Anti-freezing low temperature fluid handling arm, including column support 1, gas phase arm 2 and liquid phase arm
3, gas phase arm 2, liquid phase arm 3 are connected to by Anti-freezing cryogen rotary joint 1 and articulated arm bearing bracket stand 214 side by side
On column support 1, gas phase arm 2, liquid phase arm 3 respectively include articulated arm 21, gyroscopic pendulum swing arm 22, linking arm 23, Anti-freezing low temperature stream
Body rotary joint one~5 251~255, arm pipe purge system 28, quarter bend be first~7 241~247, low-temperature breakaway valve 27,
Spring balancer 26, gas phase arm 2, liquid phase arm 3 articulated arm 21 and gyroscopic pendulum swing arm 22 between, gyroscopic pendulum swing arm 22 and linking arm
Successively connected by Anti-freezing low temperature stream rotary joint two~5 252~255 and elbow bend two~7 242~247 between 23
It connects；
Anti-freezing cryogen rotary joint one~5 251~255 respectively includes end face seal connecting flange 2512, outer
Set 2505, rotatory sealing locating flange 2503, rotation pipe axis 2501, seal disc 2508, radial bearing 2507 and thrust bearing
2506, end face seal connecting flange 2512, rotatory sealing locating flange 2503 are removable respectively to be connected to the upper and lower of housing 2505
Both ends；The removable upper end for being connected to rotation pipe axis 2501 of seal disc 2508；It is arranged between rotation pipe axis 2501 and housing 2505
Radial bearing 2506, end face seal connecting flange 2512, housing 2505, rotatory sealing locating flange 2503, rotation pipe axis 201,
Seal disc 2508 and housing end face seal 2504, pipe axis rotatory sealing 2502, rotation pipe axial end sealing 2509, end between it
Face rotatory sealing 2510 constitutes seal chamber, and all bearings are arranged in seal chamber, avoids air and rolling with vapor
Body contact is to prevent from freezing.
The articulated arm 21 of gas phase arm 2 and liquid phase arm 3, gyroscopic pendulum swing arm 22, linking arm 23 be it is horizontally disposed, Anti-freezing is low
Warm fluid rotary joint 2 2502, Anti-freezing cryogen rotary joint 4 2504 are plummet setting, Anti-freezing cryogen
Rotary joint 3 2503, Anti-freezing cryogen rotary joint 5 2505 are horizontally disposed.
End interface is logical on gas phase arm 2,21 end of articulated arm of liquid phase arm 3 and Anti-freezing cryogen rotary joint 2 2502
Cross the connection of elbow bend 2 242, Anti-freezing cryogen rotary joint 2 252 and Anti-freezing cryogen rotary joint 3 253
It is connected by elbow bend 3 243；The other end of Anti-freezing cryogen rotary joint 3 253 and the head end of gyroscopic pendulum swing arm 22
It is connected by elbow bend 4 244.
End interface passes through straight on 22 end of gyroscopic pendulum swing arm of gas phase arm 2 and Anti-freezing cryogen rotary joint 4 354
The connection of angle elbow five 245, turns over structure gas phase arm 2 under formation.
22 end of gyroscopic pendulum swing arm of liquid phase arm 3 and the lower end interface of Anti-freezing cryogen rotary joint 4 254 pass through straight
Angle elbow 5 245 connects, and formation turns over structured liquid phase arm 3.
The lower end of the Anti-freezing cryogen rotary joint 4 254 of gas phase arm 2 and Anti-freezing cryogen rotary joint five
255 are connected by elbow bend 6 246；The upper end of the Anti-freezing cryogen rotary joint 4 254 of liquid phase arm 3 is low with Anti-freezing
Warm fluid rotary joint 5 255 is connected by elbow bend 6 246；The other end of Anti-freezing cryogen rotary joint 5 255
It is connect with the head end of linking arm 23 by elbow bend 7 247, ring loose flange 231 is arranged in the end of linking arm 23.
Gas phase arm 2, liquid phase arm 3 articulated arm 21 respectively include vertical shaft 212, threeway 211, Anti-freezing cryogen rotation connect
First 251, articulated arm pipe 215 and stiffener plate 216, vertical shaft 212, threeway 211, articulated arm pipe 215 and stiffener plate 216 form
Triangle rock-steady structure, stiffener plate 216 form upper structure in the upper surface of articulated arm pipe 215.
Low-temperature breakaway valve 27 can be set on gyroscopic pendulum swing arm 22, also can be set on linking arm 23, due to handling
Arm does not have the nitrogen sparge tube road of cryogenic swivel, does not have the influence of nitrogen pipeline when malfunctioning low-temperature breakaway valve and breaking,
All low-temperature breakaway valves can be set on gyroscopic pendulum swing arm.
Gas-liquid phase arm is set on column support 1 and collapses fixed device 13, including gas-liquid phase arm fixed device substrate 131, gas phase
Arm positioning column 132 and liquid phase arm positioning column 133, gas phase arm positioning column 132 and the setting side by side up and down of liquid phase arm positioning column 133 are in gas
On the fixed device substrate 131 of liquid phase arm, the ring loose flange 231 of 23 end of linking arm is placed to respectively after loading arm gathering
Keep rounding state safe, neat on gas phase arm positioning column 132 and liquid phase arm positioning column 133, when loading arm being made not work.
Column support 1 and gas phase arm 2, liquid phase arm 3 articulated arm 21 between arm latch mechanism 4 is respectively set, arm latch mechanism 4 includes
Fixed lock 11, lock pin 12, dynamic locking plate 213, fixed lock 11 are arranged on column support 1, move locking plate 213 and are arranged in articulated arm 21
Vertical shaft 212 on, the setting of lock pin 12 may pass through the lockhole of dynamic locking plate 212 on fixed lock 11, be in arm latch mechanism 4
When locking condition, articulated arm 21 is fixed on rounding state and is not able to rotate, and keeps loading arm safe, neat.
Gas phase arm 2, liquid phase arm 3 are respectively provided with arm pipe purge system 28, and arm pipe purge system 28 includes main road low temperature shut-off valve
221, arm pipe purging induction subsystem 281 and arm pipe purge outlet subsystem 282, and arm pipe purges induction subsystem 281 and arm pipe
Purging outlet subsystem 282 respectively includes arm pipe and purges vertical bend pipe 2811, arm pipe purging hose 2812, the purging low temperature shutdown of arm pipe
Valve 2813, arm pipe purge bridge piece 2814, and are sequentially connected, and arm pipe purges the setting of bridge piece 2814 and closes in main road low temperature
On gyroscopic pendulum swing arm after disconnected valve 221, arm pipe purges vertical bend pipe 2811 and is arranged on column support 1.
Embodiment 2
As shown in Fig. 9-14, the difference with embodiment 1 is: low-temperature breakaway valve 27 is arranged on linking arm 23, remaining is identical.
Illustrate:
1, Anti-freezing cryogen rotary joint one~5 251~255 structures are identical；
2, quarter bend it is first~7 241~247 structures are identical；
Above-mentioned parts are marked with different name reference numerals in order to describe to facilitate.
Claims (10)
1. arm pipe purges Anti-freezing low temperature fluid handling arm, which is characterized in that including column support, gas phase arm and liquid phase arm, gas phase
Arm and liquid phase arm pass through Anti-freezing cryogen rotary joint and articulated arm bearing bracket stand is connected on column support side by side, gas phase arm
And liquid phase arm includes that articulated arm, gyroscopic pendulum swing arm, linking arm, Anti-freezing cryogen rotary joint, elbow bend, arm pipe are blown
Sweep system, low-temperature breakaway valve and Spring balancer, between the articulated arm and gyroscopic pendulum swing arm, gyroscopic pendulum swing arm and linking arm it
Between be sequentially connected by Anti-freezing low temperature stream rotary joint；
Anti-freezing cryogen rotary joint includes end face seal connecting flange, housing, rotatory sealing locating flange, rotation pipe
Axis, seal disc and radial bearing, end face seal connecting flange, rotatory sealing locating flange are removable respectively to be connected to the housing
Upper and lower ends；The removable upper end for being connected to rotation pipe axis of seal disc；It is arranged between rotation pipe axis and the housing to mandrel
It holds, the end face seal connecting flange, housing, rotatory sealing locating flange, rotation pipe axis, seal disc and the housing end between it
Face sealing, the rotatory sealing of pipe axis, rotation pipe axial end sealing, annulus sealing ring, rotatory sealing in end face, rotatory sealing outside end face
Seal chamber is constituted, the radial bearing is arranged in the seal chamber.
2. arm pipe according to claim 1 purges Anti-freezing low temperature fluid handling arm, which is characterized in that the rotation pipe axis
It is coaxially disposed half-round clamping ring in the annular recess in middle section, half-round clamping ring positioning sleeve, end face seal connection are set with outside half-round clamping ring
Bearing positioning sleeve is set between flange and radial bearing outer ring, and bearing positioning sleeve is embedded in housing inner hole；Half-round clamping ring with
Thrust bearing is set between rotatory sealing locating flange, and the blowout patche of the thrust bearing covers on rotation pipe axis, and end face limits thereon
Positioned at the lower end surface of half-round clamping ring, the seat ring of the thrust bearing is embedded in the recessed of the upper surface of the rotatory sealing locating flange
In slot.
3. arm pipe according to claim 2 purges Anti-freezing low temperature fluid handling arm, which is characterized in that the radial bearing
Quantity is at least one group, and radial bearing setting is between the housing and rotation pipe axis, so that the housing and rotation pipe axis structure
It is connected at rolling；The inner ring upper surface of superposed radial bearing is limited in the lower end surface of the seal disc, positioned at lower part
The inner ring lower end surface of radial bearing is limited in the upper surface of half-round clamping ring, the outer ring upper surface limit of superposed radial bearing
In the lower end surface of bearing positioning sleeve.
4. arm pipe according to claim 1 purges Anti-freezing low temperature fluid handling arm, which is characterized in that the seal disc
Annular groove is arranged in upper surface, is arranged in end face in the annular groove and rotates Sealing shield ring；The end face seal connecting flange and institute
It states and the outer rotatory sealing in rotatory sealing and/or end face in end face is set between seal disc, rotatory sealing is embedded in end face inward turning in end face
Turn in the inner hole of Sealing shield ring, rotatory sealing is in the inner hole of bearing positioning sleeve outside end face；The rotation pipe axis and rotation are close
It seals between locating flange, coaxial package at least one of pipe axis rotatory sealing on rotation pipe axis；Rotatory sealing locating flange it is upper
Pipe axis rotatory sealing pressing ring is set in lower both ends of the surface groove；Dust-proof coil is set in the annular groove of rotatory sealing locating flange lower end
Pipe axis dustband is arranged in the inner hole of flange, the dust-proof coil flange；End face seal connecting flange, seal disc and rotation pipe axis are equal
Equipped with the fluid channel centre bore interconnected, set respectively in the upper end of end face seal connecting flange and rotation pipe axis lower end
There is welding junction；The lower end surface of end face seal connecting flange and the seal disc upper surface are set respectively close to its center hole portion position
There is the stepped hole that centre bore is coaxial with itself, annulus sealing ring is embedded in the stepped hole；The outer set upper side and end face
It is tightly connected between flange, is respectively equipped with housing end face seal between housing lower end and rotatory sealing locating flange；End face seal
Connecting flange, rotatory sealing locating flange are connected to the both ends of the housing with fastener three and fastener two respectively；Dustband
Frame flange fastener one is connected on rotatory sealing locating flange lower end surface.
5. arm pipe according to claim 1 purges Anti-freezing low temperature fluid handling arm, which is characterized in that the gas phase arm and
Liquid phase arm includes five Anti-freezing cryogen rotary joints and seven elbow bends；The articulated arm, connects gyroscopic pendulum swing arm
Connect arm be it is horizontally disposed, end interface passes through elbow bend on the articulated arm end and Anti-freezing cryogen rotary joint two
Two connections, Anti-freezing cryogen rotary joint two are connect with Anti-freezing cryogen rotary joint three by elbow bend three；
The other end of Anti-freezing cryogen rotary joint three is connect with the head end of gyroscopic pendulum swing arm by elbow bend four, and Anti-freezing is low
Warm fluid rotary joint two, Anti-freezing cryogen rotary joint four are plummet setting, Anti-freezing cryogen rotary joint
Three, Anti-freezing cryogen rotary joint five is horizontally disposed；The gyroscopic pendulum swing arm end of gas phase arm and Anti-freezing low temperature stream
End interface is connected by elbow bend five on body rotary joint four, and structure gas phase arm is turned under formation；The gyroscopic pendulum swing arm of liquid phase arm
End is connect with the lower end interface of Anti-freezing cryogen rotary joint four by elbow bend five, and formation turns over structured liquid phase arm；
The lower end of the Anti-freezing cryogen rotary joint four of gas phase arm and Anti-freezing cryogen rotary joint five pass through elbow bend
Six connections；The upper end of the Anti-freezing cryogen rotary joint four of liquid phase arm and Anti-freezing cryogen rotary joint five pass through straight
Angle elbow six connects；The other end of Anti-freezing cryogen rotary joint five and the head end of linking arm are connected by elbow bend seven
It connects, ring loose flange is arranged in the end of linking arm.
6. arm pipe according to claim 1 purges Anti-freezing low temperature fluid handling arm, which is characterized in that the articulated arm packet
It includes vertical shaft, threeway, Anti-freezing cryogen rotary joint, articulated arm pipe and stiffener plate, vertical shaft, threeway, articulated arm pipe and adds
Strengthening tendons board group forms upper structure in the upper surface of articulated arm pipe at triangle rock-steady structure, stiffener plate.
7. arm pipe according to claim 1 purges Anti-freezing low temperature fluid handling arm, which is characterized in that low-temperature breakaway valve point
It is not arranged on the gyroscopic pendulum swing arm or linking arm of gas phase arm and liquid phase arm.
8. arm pipe according to claim 5 purges Anti-freezing low temperature fluid handling arm, which is characterized in that be arranged on column support
Gas-liquid phase arm collapses fixed device, and it includes gas-liquid phase arm fixed device substrate, gas phase arm that the gas-liquid phase arm, which collapses fixed device,
Positioning column and liquid phase arm positioning column, gas phase arm positioning column and the setting side by side up and down of liquid phase arm positioning column are in the fixed device of gas-liquid phase arm
On substrate, the ring loose flange is placed to respectively on gas phase arm positioning column and liquid phase arm positioning column after loading arm gathering.
9. arm pipe according to claim 1 purges Anti-freezing low temperature fluid handling arm, which is characterized in that column support with it is described
Arm latch mechanism is set between articulated arm, and the arm latch mechanism includes fixed lock, lock pin and dynamic locking plate, and fixed lock setting is vertical
It on pylon, moves locking plate and is arranged on articulated arm vertical shaft, lock pin is arranged on fixed lock and passes through the lockhole of dynamic locking plate.
10. arm pipe according to claim 1 purges Anti-freezing low temperature fluid handling arm, which is characterized in that the arm pipe is blown
The system of sweeping includes that main road low temperature shut-off valve, arm pipe purging induction subsystem and arm pipe purging outlet subsystem, arm pipe purge air inlet
Subsystem and arm pipe purging outlet subsystem respectively include the vertical bend pipe of arm pipe purging, arm pipe purging hose, arm pipe purging low temperature and close
Disconnected valve and arm pipe purge bridge piece and are sequentially connected, and arm pipe purging bridge piece is arranged in after main road low temperature shut-off valve
On the arm pipe of middle section, purges vertical bend pipe and be arranged on the column support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363148.4A CN110005941B (en) | 2019-04-30 | 2019-04-30 | Arm pipe purging anti-freezing low-temperature fluid loading and unloading arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363148.4A CN110005941B (en) | 2019-04-30 | 2019-04-30 | Arm pipe purging anti-freezing low-temperature fluid loading and unloading arm |
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| Publication Number | Publication Date |
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| CN110005941A true CN110005941A (en) | 2019-07-12 |
| CN110005941B CN110005941B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910363148.4A Active CN110005941B (en) | 2019-04-30 | 2019-04-30 | Arm pipe purging anti-freezing low-temperature fluid loading and unloading arm |
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| Country | Link |
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| CN (1) | CN110005941B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958876A (en) * | 2021-10-25 | 2022-01-21 | 连云港远大机械有限公司 | Anti-freezing low-temperature fluid loading and unloading arm with arm pipe purging function |
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| CN113958876A (en) * | 2021-10-25 | 2022-01-21 | 连云港远大机械有限公司 | Anti-freezing low-temperature fluid loading and unloading arm with arm pipe purging function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110005941B (en) | 2024-03-01 |
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