CN203671126U - Pipeline type compensation device - Google Patents
Pipeline type compensation device Download PDFInfo
- Publication number
- CN203671126U CN203671126U CN201420006659.3U CN201420006659U CN203671126U CN 203671126 U CN203671126 U CN 203671126U CN 201420006659 U CN201420006659 U CN 201420006659U CN 203671126 U CN203671126 U CN 203671126U
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- Prior art keywords
- casing
- rotatingshaft
- filler
- switching device
- type compensation
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- 238000007789 sealing Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims description 33
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010793 Steam injection (oil industry) Methods 0.000 description 2
- 210000003050 axon Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model discloses a pipeline type compensation device which comprises pipe bodies and a through-connection device. The through-connection device comprises right-angle connectors, rotation shafts and rotation boxes. Each right-angle connector comprises two connecting holes, wherein the axes of the two connecting holes are perpendicular, and the two connecting holes are communicated with each other. The rotation boxes are of a hollow tubular structure, an opening in one end is formed in the axis of the each rotation box, and an opening in the other end is formed in the side face of the rotation box. One end of each rotation shaft is inserted into the through-connection device connecting holes of each right-angle connector, and the other ends of the rotation shafts are inserted into the openings, located on the axes, in the rotation boxes. The pipe bodies are sequentially connected together through the through-connection device. According to the pipeline type compensation device, the size in the length direction and the size in the height direction are changed through relative rotation between every two pipe bodies, and therefore the effect of automatic compensation is achieved. The pipeline type compensation device is simple in structure, easy to assemble and disassemble, reliable in sealing and resistant to corrosion.
Description
Technical field
The utility model belongs to pipework field, and especially a kind of shape variable has the pipeline of compensate function.
Background technique
Most of heavy crude reservoir of China is all little fault block heavy crude reservoir substantially, and this class oil reservoir belongs to low-grade petroleum resources, and crude oil property is poor, and exploitation, oil recovery, surface gathering and transferring and intractability are large.Viscous crude field is developed in Productivity Construction, note adopt unification process engineering for the exploitation of little fault block viscous crude field have investment and operating cost minimum, the advantage of good economy performance.It is that well head is to the steam injection of flow station, the pipeline of fuel-displaced functional unification that note is adopted unification pipeline.In high-temperature vapour pipeline, due to alternately changing of temperature, the extended length of its material also changes at any time, and this pipeline that just makes to move in pipeline produces torsional deformation or fracture, damages the fixing device of pipeline.As the pipeline of several kms in production wellhead below heats through high-temperature steam, pipeline expands well head is played to castering action.In the time stopping steam injection, along with temperature reduces, the height of well head progressively falls back to again original position.
What conventional high-temperature high pressure line adopted is spherical compensator.Spherical compensator is to utilize universal joint principle, rotates in limited angle by spheroid, reaches the effect of auto-compensation.But single cover spherical compensator does not possess compensation effect, when realizing well head altimetric compensation, must there be three covers to be used in conjunction with and can reach altimetric compensation.The spheroid of spherical compensator is through chrome-faced processing.This product ball face sealing adopts the sealing means of soft and hard seal combination, and this sealing configuration, in spheroid rotation process, can cause the loss of filler, causes sealing effect to lose efficacy, and vapour situation appears leaking in on-the-spot meeting.When spheroid is after in rotation process, the chromium coating of sphere is worn, spheroid is withstand corrosion not, can cause again the later stage stage leakage of oil of recovering the oil.
Spherical compensator adopts butt welding mode, must be used in conjunction with by three covers at the scene.In installation process, at least need 6 road weld bonds, and need be connected with bend pipe, straight tube, make troubles to on-the-spot installation, inspection and maintenance.Not good because of sealing effect, this product is shorter working life, need often keep in repair, and maintenance cost is high.
Model utility content
The technical problem solving: for the deficiencies in the prior art, the utility model provides a kind of pipe type compensation device, solve spherical compensator in prior art and use to need how cover is used in conjunction with, execute-in-place and later maintenance be the comparatively loaded down with trivial details and not good technical problem of sealing effect all.
Technological scheme: for solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of pipe type compensation device, comprises body and switching device, and described switching device comprises angle coupling, rotatingshaft and rotation casing; Described angle coupling comprises two medial axis attachment hole vertical and that mutually connect mutually, and one of them is switching device attachment hole, and another is body attachment hole; Described rotation casing is hollow tubular structure, and wherein an end opening is arranged on the medial axis of rotating casing, and the other end opening is arranged on rotating box body side surface; Insert in the switching device attachment hole of angle coupling one end of described rotatingshaft, and the other end of rotatingshaft inserts and rotates the open interior of casing meta on medial axis; Attachment hole in each switching device in angle coupling and the opening rotating on casing all match with body, in turn body are connected with each other by switching device.When use, two bodys that are positioned at two in this device are connected to respectively and need interconnective two pipelines, such as in the time that viscous crude gathers, two bodys that are positioned at two are connected to respectively to well head and steam pipe line, rotating casing can rotate around rotatingshaft, and then drive and rotate the body that is connected of casing and realize and rotation centered by rotatingshaft, thereby change the relative position between two pipelines, many group slewing gears coordinate with body, just realize the change of this device at height and length direction, thereby coordinate different operating modes to reach the effect of auto-compensation.
Further, in the utility model, body one end in body is inserted and is soldered to cemented carbide in the body attachment hole of angle coupling between two, and the opening that is arranged in rotating box body side surface is inserted and be soldered to cemented carbide in one end of another body.Guarantee to connect reliably between body, and cemented carbide decay resistance is good.
Further, in the utility model, the outer wall that rotatingshaft inserts the one end of rotating casing is provided with a circle groove, be provided with two-layer step in the open interior of rotating casing, described rotatingshaft is against on inner one deck step, between outer step and rotatingshaft, form sealing surface, on sealing surface, be provided with seal arrangement, along rotating box axon to direction from inside to outside, on described seal arrangement, be provided with successively trip ring, filler and filler pressure cap, described trip ring is enclosed within on the groove of rotatingshaft and frame outside on step, described filler and trip ring, between filler pressure cap, be also provided with filler gasket ring, described filler pressure cap is provided with handle, described handle is inserted in the corresponding fixed hole arranging on rotatingshaft through filler pressure cap.Trip ring and filler cooperation are fixed on rotatingshaft to rotate in casing, and filler pressure cap is by after filling compaction, and handle inserts in the fixed hole on rotatingshaft, plays the fixation of seal arrangement.Good Seal Design, overall tightness is protected, be applicable to the operating environment high to seal request, such as adopt at note unification viscous crude gather time, oil recovery process first injects high temperature and high pressure steam, seal arrangement guarantees the favorable sealing property of this compensation device, rotates casing and rotatingshaft to relatively rotate sealing in process unaffected.
Further, in the utility model, on two bodys at two, be connected with hoop.Realize with needing the quick of interconnective pipeline and being connected.
Further, in the utility model, described body and switching device adopt corrosion-resistance treatment and low temperature resistant processing.Be applicable under Alpine-cold condition and crude oil has the severe mining conditions compared with highly corrosive.
As preferably, in the utility model, described filler is graphite and stainless mixture.Graphite is flexible material, and stainless steel is corrosion, and the Reliability of Packing Seal of this compositions of mixtures is good.
Beneficial effect:
Pipe type compensator of the present utility model is to manufacture for the operating mode specialized designs of high temperature conduit, connect body between two by slewing gear, realize relatively rotating between body between two, and then change the size of this device in length and short transverse, reach the effect of auto-compensation, make its safe and stable operation;
This device adopts seal arrangement between running shaft and rotating box, and sealing is reliable, meets tightness is required to high operating environment, can bear the seal request of oil, the two media of vapour simultaneously;
This device is monolithic construction, and changing and when maintenance can integral demounting, and the clip connected mode at two makes to dismantle more convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic diagram that handle inserts fixed hole on rotatingshaft.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.This device is used with note and adopted in being connected between the well head of viscous crude collection of unification and steam pipe line.
A kind of pipe type compensation device as shown in Figure 1, comprise 1 and 3 switching devices of 4 sections of bodys, body 1 is long is respectively L1, L2, L3 and L4, and the length of switching device is H, body 1 all passes through corrosion-resistance treatment and low temperature resistant processing with switching device, to adapt to western severe mining environment.
Described each switching device comprises angle coupling 2, rotatingshaft 3 and rotates casing 4, described angle coupling 2 comprises two medial axis attachment hole vertical and that mutually connect mutually, and one of them is switching device attachment hole, and another is body attachment hole, described rotation casing 4 is hollow tubular structure, and wherein an end opening is arranged on the medial axis of rotating casing 4, and the other end opening is arranged on and rotates casing 4 sides, insert in the switching device attachment hole of angle coupling 2 one end of described rotatingshaft 3, the other end of rotatingshaft 2 inserts to rotate in casing 4 and is positioned at the open interior on medial axis, the outer wall that rotatingshaft inserts the one end of rotating casing is provided with a circle groove, be provided with two-layer step in the open interior of rotating casing, described rotatingshaft is against on inner one deck step, between outer step and rotatingshaft, form sealing surface, on sealing surface, be provided with seal arrangement, along rotating box axon to direction from inside to outside, on described seal arrangement, be provided with successively trip ring, filler and filler pressure cap, described trip ring is enclosed within on the groove of rotatingshaft and frame outside on step, described filler and trip ring, between filler pressure cap, be also provided with filler gasket ring, described filler pressure cap is provided with handle, as shown in Figure 2, described handle is inserted in the corresponding fixed hole arranging on body through filler pressure cap.
Rotate on the sealing surface between casing 4 and rotatingshaft 3 and be provided with seal arrangement, along rotating the axial direction from inside to outside of casing 4, on described seal arrangement, be provided with successively trip ring 5, filler 6 and filler pressure cap 7, between described filler 6 and trip ring 5, filler pressure cap 7, be also provided with filler gasket ring 8, this filler 6 is the mixed fillers of Expanded graphite and corrosion-resistant stainless steel, and seal arrangement is an entirety.
Attachment hole in each switching device in angle coupling 2 and the opening rotating on casing 4 all match with body 1.A body 1 one end in body 1 is inserted and is soldered to cemented carbide in the body attachment hole of angle coupling 2 between two, and one end of another body 1 is inserted and is soldered to and is arranged in the opening that rotates casing 4 sides with cemented carbide.As shown in fig. 1, in turn body 1 is connected with each other by switching device, is wherein positioned on two bodys 1 at two and is connected with hoop 9, be connected to respectively quickly and easily well head and steam pipe line by hoop 9.
In use, inject high pressure steam by the utility model device early stage, and the later stage is fuel-displaced in the other direction by the utility model device.Seal arrangement in the utility model and cemented carbide welding procedure realize the sealing and the corrosion resistance that meet under oil, the two ambient conditions of vapour simultaneously.
Shown in figure, there are 3 switching devices, form 3 axis of rotation.In use, according to the variation of expanding with heat and contract with cold, utilize the rotation of 3 axis of rotation at any time, regulate the variation of this device of rotation angle auto-compensation at height and length direction, realize the object of auto-compensation.When all bodys all being selected while forwarding horizontal position to, overall length L is the length sum of 4 bodys, is highly 0; When after rotation switching device several angle, overall length shortens, highly uprise, and as in the time that two of centres body 1 is rotated to vertical position by switching shape device, be highly L2 and L3 sum.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a pipe type compensation device, is characterized in that: comprise body (1) and switching device, described switching device comprises angle coupling (2), rotatingshaft (3) and rotates casing (4); Described angle coupling (2) comprises two medial axis attachment hole vertical and that mutually connect mutually, and one of them is switching device attachment hole, and another is body (1) attachment hole; Described rotation casing (4) is hollow tubular structure, and wherein an end opening is arranged on the medial axis of rotating casing (4), and the other end opening is arranged on and rotates casing (4) side; Insert in the switching device attachment hole of angle coupling (2) one end of described rotatingshaft (3), and the other end of rotatingshaft (3) inserts to rotate in casing (4) and is positioned at the open interior on medial axis; Attachment hole in angle coupling in each switching device (2) and the opening rotating on casing (4) all match with body (1), in turn body (1) are connected with each other by switching device.
2. a kind of pipe type compensation device according to claim 1, it is characterized in that: a body (1) one end in body (1) is inserted and is soldered to cemented carbide in body (1) attachment hole of angle coupling (2) between two, one end of another body (1) is inserted and is soldered to and is arranged in the opening that rotates casing (4) side with cemented carbide.
3. a kind of pipe type compensation device according to claim 1, it is characterized in that: the outer wall that rotatingshaft (3) inserts the one end of rotating casing (4) is provided with a circle groove, be provided with two-layer step in the open interior of rotating casing (4), described rotatingshaft (3) is against on inner one deck step, outer step and rotatingshaft form sealing surface between (3), on sealing surface, be provided with seal arrangement, along rotating the axial direction from inside to outside of casing (4), on described seal arrangement, be provided with successively trip ring (5), filler (6) and filler pressure cap (7), described trip ring (5) is enclosed within on the groove of rotatingshaft (3) and frame outside on step, described filler (6) and trip ring (5), between filler pressure cap (7), be also provided with filler gasket ring (8), described filler pressure cap (7) is provided with handle, described handle is inserted in the upper corresponding fixed hole arranging of rotatingshaft (3) through filler pressure cap (7).
4. a kind of pipe type compensation device according to claim 1, is characterized in that: on two bodys (1) at two, be connected with hoop (9).
5. a kind of pipe type compensation device according to claim 1, is characterized in that: described body (1) and switching device adopt corrosion-resistance treatment and low temperature resistant processing.
6. a kind of pipe type compensation device according to claim 3, is characterized in that: described filler (6) is graphite and stainless mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006659.3U CN203671126U (en) | 2014-01-06 | 2014-01-06 | Pipeline type compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420006659.3U CN203671126U (en) | 2014-01-06 | 2014-01-06 | Pipeline type compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203671126U true CN203671126U (en) | 2014-06-25 |
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ID=50967419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420006659.3U Expired - Fee Related CN203671126U (en) | 2014-01-06 | 2014-01-06 | Pipeline type compensation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203671126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670354A (en) * | 2014-01-06 | 2014-03-26 | 江苏万兴石油装备有限公司 | Combined injection-production compensation device |
-
2014
- 2014-01-06 CN CN201420006659.3U patent/CN203671126U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670354A (en) * | 2014-01-06 | 2014-03-26 | 江苏万兴石油装备有限公司 | Combined injection-production compensation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |