CN110005887A - Dismountable Anti-freezing cryogen rotary joint - Google Patents
Dismountable Anti-freezing cryogen rotary joint Download PDFInfo
- Publication number
- CN110005887A CN110005887A CN201910363130.4A CN201910363130A CN110005887A CN 110005887 A CN110005887 A CN 110005887A CN 201910363130 A CN201910363130 A CN 201910363130A CN 110005887 A CN110005887 A CN 110005887A
- Authority
- CN
- China
- Prior art keywords
- sealing
- rotation pipe
- face
- flange
- pipe axis
- 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 37
- 238000007789 sealing Methods 0.000 claims abstract description 114
- 239000012530 fluid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 7
- 230000008014 freezing Effects 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 238000010586 diagram Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- 238000010926 purge Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 210000000746 body region Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 210000004919 hair shaft Anatomy 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/087—Joints with radial fluid passages
Abstract
The invention belongs to cryogen apparatus fields, and in particular to dismountable Anti-freezing cryogen rotary joint.Technical solution is as follows: including end face seal connecting flange, housing, rotatory sealing locating flange, rotation pipe axis, rotation pipe sealing disk and radial bearing, end face seal connecting flange, rotatory sealing locating flange removable upper and lower ends for being connected to the housing respectively；The removable upper end for being connected to rotation pipe axis of rotation pipe sealing disk；Radial bearing is set between rotation pipe axis and the housing, the end face seal connecting flange, housing, rotatory sealing locating flange, rotation pipe axis, rotation pipe sealing disk and housing end face seal between it, the rotatory sealing of pipe axis, rotation pipe axial end sealing, annulus sealing ring, rotatory sealing in end face, rotatory sealing composition seal chamber outside end face, the radial bearing is arranged in the seal chamber, and the air with vapor is avoided to contact to prevent from freezing with rolling element.The present invention uses bearing arrangement, and rotary resistance is small, and the service life is long.
Description
Technical field
The invention belongs to cryogen apparatus fields, and in particular to a kind of dismountable Anti-freezing cryogen rotation connects
Head.
Background technique
Cryogen rotary joint is the critical component for manufacturing the low temperature fluid handling arms such as liquid nitrogen, liquid oxygen, liquefied natural gas,
For connecting line and bend pipe, can by cryogen, do not leak and freeze and can rotate.But current low temperature stream
The generally existing following disadvantage of body rotary joint: raceway steel ball freezes in order to prevent, during cryogenic swivel work, it is necessary to use
Nitrogen constantly purges the rolling body region inside rotary joint, needs to be equipped with nitrogen supply arrangement and pipe-line system,
The cost of investment for not only increasing equipment, also wastes nitrogen；Using raceway steel ball structure, rotary resistance is big, and service life is short, and
It is not easy to dismounting maintenance；There is channel of nitrogen inside cryogenic swivel, so that rotary joint structure is complicated, be easy to appear event
Barrier.
Summary of the invention
The present invention provides a kind of dismountable Anti-freezing cryogen rotary joint, and all bearings are placed in seal chamber,
The air with vapor is avoided to contact to prevent from freezing with rolling element, no nitrogen purge system saves nitrogen and its confession
To equipment, pipeline.
Technical scheme is as follows:
Dismountable Anti-freezing cryogen rotary joint, including end face seal connecting flange, housing, rotatory sealing positioning
Flange, rotation pipe axis, rotation pipe sealing disk and radial bearing, end face seal connecting flange, rotatory sealing locating flange difference
The removable upper and lower ends for being connected to the housing；The removable upper end for being connected to rotation pipe axis of rotation pipe sealing disk；Rotation
Radial bearing, the end face seal connecting flange, housing, rotatory sealing locating flange, rotation are set between pipe axis and the housing
Tube axis, rotation pipe sealing disk and housing end face seal, the rotatory sealing of pipe axis, the sealing of rotation pipe axial end, circle between it
Rotatory sealing in ring sealing ring, end face, rotatory sealing constitutes seal chamber outside end face, and the radial bearing is arranged in the seal chamber
It is interior, avoid the air with vapor from contacting to prevent from freezing with rolling element.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein the ring-type in rotation pipe axis middle section
Be coaxially disposed half-round clamping ring in groove, be set with half-round clamping ring positioning sleeve outside half-round clamping ring, end face seal connecting flange with it is centripetal
Bearing positioning sleeve is set between bearing outer ring, and bearing positioning sleeve is embedded in housing inner hole.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein half-round clamping ring and rotatory sealing
Thrust bearing is set between locating flange, and the blowout patche of the thrust bearing covers on rotation pipe axis, and end face is limited in semicircle thereon
The lower end surface of snap ring, the seat ring of the thrust bearing are embedded in the groove of the upper surface of the rotatory sealing locating flange.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein the radial bearing quantity is extremely
It is less one group, radial bearing setting is between the housing and rotation pipe axis, so that the housing and rotation pipe axis are constituted and rolled
Connection；The inner ring upper surface of superposed radial bearing is limited in the lower end surface of rotation pipe sealing disk, positioned at lower part to
The inner ring lower end surface that mandrel is held is limited in the upper surface of half-round clamping ring, and the outer ring upper surface of superposed radial bearing is limited in
The lower end surface of bearing positioning sleeve.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein rotation pipe sealing disk is upper
Annular groove is arranged in end face, is arranged in end face in the annular groove and rotates Sealing shield ring.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein the end face seal connection method
Blue that rotatory sealing outside rotatory sealing and/or end face is arranged in end face between rotation pipe sealing disk, rotatory sealing is embedding in end face
In the inner hole for rotating Sealing shield ring in end face, rotatory sealing is in the inner hole of bearing positioning sleeve outside end face.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein the rotation pipe axis and rotation
It seals between locating flange, coaxial package at least one of pipe axis rotatory sealing on rotation pipe axis；Rotatory sealing locating flange
Pipe axis rotatory sealing pressing ring is set in upper and lower end faces groove；Dustband is set in the annular groove of rotatory sealing locating flange lower end
Pipe axis dustband is arranged in the inner hole of frame flange, the dust-proof coil flange.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein end face seal connecting flange, rotation
Tube sealing disk and rotation pipe axis are equipped with the fluid channel centre bore interconnected, in the upper end of end face seal connecting flange
Portion and rotation pipe axis lower end are respectively equipped with welding junction；On the lower end surface of end face seal connecting flange and rotation pipe sealing disk
End face is being respectively equipped with the coaxial stepped hole of centre bore with itself close to its center hole portion position, and annulus sealing ring is embedded in described
In stepped hole.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein the housing upper end 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.
Further, the dismountable Anti-freezing cryogen rotary joint, wherein end face seal connecting flange, rotation
Turn the both ends that sealing locating flange is connected to the housing with fastener three and fastener two respectively；Dust-proof coil flange fastening
Part one is connected on rotatory sealing locating flange lower end surface.
Work as the invention has the benefit that being solved using dismountable Anti-freezing cryogen rotary joint of the invention
Preceding cryogen rotary joint is the problem of preventing rolling element frost from must purge rolling element with nitrogen, to purge system without nitrogen
System, can work in the occasion of no nitrogen source, save nitrogen and its supply arrangement, pipe-line system.The shell of rotary joint uses
The split type structure of housing and rotatory sealing locating flange composition, coiled hair shaft is using rotation pipe axis and rotation pipe sealing disk group
At split type structure, maintenance easy to disassemble, manufacture easy to process.Steel ball pipeline configuration, rotation resistance are replaced using bearing arrangement
Power is small, long service life.
Detailed description of the invention
Fig. 1 is the first example structure schematic diagram of dismountable Anti-freezing cryogen rotary joint；
Fig. 2 is second of example structure schematic diagram of dismountable Anti-freezing cryogen rotary joint；
Fig. 3 is the third example structure schematic diagram of dismountable Anti-freezing cryogen rotary joint；
Fig. 4 is the 4th kind of example structure schematic diagram of dismountable Anti-freezing cryogen rotary joint；
Fig. 5 is the 5th kind of example structure schematic diagram of dismountable Anti-freezing cryogen rotary joint；
Fig. 6 is the 6th kind of example structure schematic diagram of dismountable Anti-freezing cryogen rotary joint；
Fig. 7 is end face seal connecting flange structure schematic diagram；
Fig. 8 is jacket structure schematic diagram；
Fig. 9 is rotatory sealing locating flange structural schematic diagram；
Figure 10 is rotation pipe sealing dish structure schematic diagram；
Figure 11 is rotation pipe axle construction schematic diagram.
Specific embodiment
Embodiment 1
As shown in Figure 1, dismountable Anti-freezing cryogen rotary joint, including end face seal connecting flange 22, housing
11, rotatory sealing locating flange 8, rotation pipe axis 1, rotation pipe sealing disk 15, radial bearing 14 and thrust bearing 10, end face is close
Seal connecting flange 22, rotatory sealing the locating flange 8 removable upper and lower ends for being connected to the housing 11 respectively；It is close to rotate pipe axis
The removable upper end for being connected to rotation pipe axis of closing disk 15；It rotates and radial bearing 14 is set between pipe axis 1 and the housing 11, it is described
End face seal connecting flange 22, housing 11, rotatory sealing locating flange 8, rotation pipe axis 1, rotation pipe sealing disk 15 and its it
Between housing end face seal 9, pipe axis rotatory sealing 7, rotation pipe axial end sealing 16, annulus sealing ring 21, rotate in end face it is close
Rotatory sealing 18 constitutes seal chamber outside envelope 20, end face, and all bearings are arranged in the seal chamber, avoids the sky with vapor
Gas contacts to prevent from freezing with rolling element.
It rotates and is coaxially disposed half-round clamping ring 12 in the annular recess in 1 middle section of pipe axis, be set with semicircle card outside half-round clamping ring 12
Bearing positioning sleeve 17 is arranged between 14 outer ring of end face seal connecting flange 22 and radial bearing for ring positioning sleeve 13, and bearing positions
Set 17 is embedded in 11 inner hole of housing.
14 quantity of radial bearing is three groups, and the setting of radial bearing 14 is between the housing 11 and rotation pipe axis 1, so that institute
It states housing 11 and rotation pipe axis 1 constitutes and rolls connection；The inner ring upper surface of superposed radial bearing 14 is limited in rotation pipe
The lower end surface of sealing disk 15 is limited in the upper surface of half-round clamping ring 12 positioned at the inner ring lower end surface of the radial bearing 14 of lower part,
The outer ring upper surface of superposed radial bearing 14 is limited in the lower end surface of bearing positioning sleeve 17.
Thrust bearing 10, the blowout patche of the thrust bearing 10 are set between half-round clamping ring 12 and rotatory sealing locating flange 8
It covers on rotation pipe axis 1, end face is limited in the lower end surface of half-round clamping ring 12 thereon, and the seat ring of the thrust bearing 10 is embedded in institute
In the groove for stating the upper surface of rotatory sealing locating flange 8.
Annular groove is arranged in the upper surface for rotating pipe sealing disk 15, is arranged in end face in the annular groove and rotates Sealing shield ring
19.It is rotated between Sealing shield ring 19 in end face seal connecting flange 22, rotation pipe sealing disk 15, bearing positioning sleeve 8 and end face
Constitute the combined labyrinth and carbon gland slot for placing rotatory sealing 18 outside rotatory sealing 20 and end face in end face；
It is arranged in end face between end face seal connecting flange 22 and rotation pipe sealing disk 15 outside rotatory sealing 20 and end face
Rotatory sealing 18, annulus sealing ring 21, rotatory sealing 20 is in end face in the inner hole of rotation Sealing shield ring 19 in end face, end face
Outer rotatory sealing 18 is in the inner hole of bearing positioning sleeve 17.
It rotates between pipe axis 1 and rotatory sealing locating flange 8, coaxial package two deferent axis rotation on rotation pipe axis 1 is close
Envelope 7；Pipe axis rotatory sealing pressing ring 5 is respectively set in the upper and lower end faces groove of rotatory sealing locating flange 8；Rotatory sealing positioning
Dust-proof coil flange 2 is set in the annular groove of 8 lower end of flange, and pipe axis dustband 3 is arranged in the inner hole of the dust-proof coil flange 2.
It is logical that end face seal connecting flange 22, rotation pipe sealing disk 15 and rotation pipe axis 1 are equipped with the fluid interconnected
Road centre bore is respectively equipped with welding junction in the upper end of end face seal connecting flange 22 and rotation 1 lower end of pipe axis；End face is close
15 end faces on the lower end surface and rotation pipe sealing disk of connecting flange 22 are sealed to be respectively equipped with and it close to its center hole portion position
The coaxial stepped hole of body centre bore, annulus sealing ring 21 are embedded in the stepped hole.
Between 11 upper end of housing and end face seal connecting flange 22, between 11 lower end of housing and rotatory sealing locating flange 8
It is respectively equipped with housing end face seal 9.
End face seal connecting flange 22, rotatory sealing locating flange 8 are connected to fastener 3 23 and fastener 26 respectively
The both ends of the housing 11；Dust-proof coil flange 2 fastener 1 is connected on 8 lower end surface of rotatory sealing locating flange.
Embodiment 2
As shown in Fig. 2, difference from Example 1 is, 11 quantity of radial bearing is two groups, two groups of radial bearings 11 it
Between be equipped with locating ring.
Embodiment 3
As shown in figure 3, difference from Example 1 is, 11 quantity of radial bearing is two groups.
Embodiment 4
As shown in figure 4, difference from Example 1 is, setting radial bearing 11 is not provided with thrust bearing.
Embodiment 5
As shown in figure 5, difference from Example 4 is, 11 quantity of radial bearing is two groups, two groups of radial bearings 11 it
Between be equipped with locating ring.
Embodiment 6
As shown in fig. 6, difference from Example 4 is, 11 quantity of radial bearing is two groups.
Claims (10)
1. dismountable Anti-freezing cryogen rotary joint, which is characterized in that including end face seal connecting flange, housing, rotation
It is fixed to turn sealing locating flange, rotation pipe axis, rotation pipe sealing disk and radial bearing, end face seal connecting flange, rotatory sealing
Position flange removable upper and lower ends for being connected to the housing respectively；Removable be connected to of rotation pipe sealing disk rotates pipe axis
Upper end；Radial bearing is set between rotation pipe axis and the housing, the end face seal connecting flange, housing, rotatory sealing are fixed
Position flange, rotation pipe axis, rotation pipe sealing disk and the housing end face seal between it, the rotatory sealing of pipe axis, rotation pipe shaft end
Face sealing, annulus sealing ring, rotatory sealing in end face, rotatory sealing constitutes seal chamber outside end face, and the radial bearing setting exists
In the seal chamber.
2. dismountable Anti-freezing cryogen rotary joint according to claim 1, which is characterized in that in rotation pipe axis
It is coaxially disposed half-round clamping ring in the annular recess of section, is set with half-round clamping ring positioning sleeve, end face seal connection method outside half-round clamping ring
Bearing positioning sleeve is set between blue and radial bearing outer ring, and bearing positioning sleeve is embedded in housing inner hole.
3. dismountable Anti-freezing cryogen rotary joint according to claim 2, which is characterized in that 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.
4. dismountable Anti-freezing cryogen rotary joint according to claim 2, which is characterized in that described to mandrel
It holds quantity and is at least one group, radial bearing setting is between the housing and rotation pipe axis, so that the housing and rotation pipe axis
It constitutes and rolls connection；The inner ring upper surface of superposed radial bearing is limited in the lower end surface of rotation pipe sealing disk, is located at
The inner ring lower end surface of the radial bearing of lower part is limited in the upper surface of half-round clamping ring, the outer ring upper end of superposed radial bearing
Face is limited in the lower end surface of bearing positioning sleeve.
5. dismountable Anti-freezing cryogen rotary joint according to claim 1, which is characterized in that rotation pipe axis is close
Annular groove is arranged in the upper surface of closing disk, is arranged in end face in the annular groove and rotates Sealing shield ring.
6. dismountable Anti-freezing cryogen rotary joint according to claim 1, which is characterized in that the end face is close
It seals between connecting flange and rotation pipe sealing disk and rotatory sealing outside rotatory sealing and/or end face, end face inward turning in end face is set
Turn sealing to rotate in end face in the inner hole of Sealing shield ring, rotatory sealing is in the inner hole of bearing positioning sleeve outside end face.
7. dismountable Anti-freezing cryogen rotary joint according to claim 1, which is characterized in that the rotation pipe
Between axis and rotatory sealing locating flange, coaxial package at least one of pipe axis rotatory sealing on rotation pipe axis；Rotatory sealing is fixed
Pipe axis rotatory sealing pressing ring is set in the upper and lower end faces groove of position flange；It is set in the annular groove of rotatory sealing locating flange lower end
Dust-proof coil flange is set, pipe axis dustband is arranged in the inner hole of the dust-proof coil flange.
8. dismountable Anti-freezing cryogen rotary joint according to claim 1, which is characterized in that end face seal connects
Acting flange, rotation pipe sealing disk and rotation pipe axis are equipped with the fluid channel centre bore interconnected, connect in end face seal
The upper end and rotation pipe axis lower end of flange are respectively equipped with welding junction；The lower end surface of end face seal connecting flange and rotation pipe
Sealing disk upper surface is being respectively equipped with the coaxial stepped hole of centre bore with itself, annulus sealing ring close to its center hole portion position
It is embedded in the stepped hole.
9. dismountable Anti-freezing cryogen rotary joint according to claim 1, which is characterized in that put on outside described
Housing end face seal is respectively equipped between end and end face seal connecting flange, between housing lower end and rotatory sealing locating flange.
10. dismountable Anti-freezing cryogen rotary joint according to claim 1, which is characterized in that 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363130.4A CN110005887B (en) | 2019-04-30 | 2019-04-30 | Detachable anti-freezing low-temperature fluid rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363130.4A CN110005887B (en) | 2019-04-30 | 2019-04-30 | Detachable anti-freezing low-temperature fluid rotary joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110005887A true CN110005887A (en) | 2019-07-12 |
| CN110005887B CN110005887B (en) | 2024-03-12 |
Family
ID=67175331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910363130.4A Active CN110005887B (en) | 2019-04-30 | 2019-04-30 | Detachable anti-freezing low-temperature fluid rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005887B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671553A (en) * | 2019-08-29 | 2020-01-10 | 招远市金亭岭矿业有限公司 | Pipeline for filling backwater and installation and use method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110005887B (en) | 2024-03-12 |
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