CN201827573U - High-pressure square elbow - Google Patents
High-pressure square elbow Download PDFInfo
- Publication number
- CN201827573U CN201827573U CN2010205077967U CN201020507796U CN201827573U CN 201827573 U CN201827573 U CN 201827573U CN 2010205077967 U CN2010205077967 U CN 2010205077967U CN 201020507796 U CN201020507796 U CN 201020507796U CN 201827573 U CN201827573 U CN 201827573U
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- flange plate
- connecting tube
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- angle body
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Abstract
The utility model relates to the technical field of oil and gas gathering and transportation pipeline corrosion-resistant connecting pipes in oil and gas development, and discloses a high-pressure square elbow, which comprises an elbow, an upper flange and a right flange, wherein the elbow comprises an upper square body and a right square body, the right side of the lower part of the upper square body and the left part of the right square body are fixed together or formed into a whole body, an oil and gas port at the right side of the lower part of the upper square body is communicated with an oil and gas port at the left part of the right square body, the upper end of the upper square body and the upper flange are fixed together, and the right end of the right square body and the right flange are fixed together. The high-pressure square elbow has reasonable structure, and is convenient to use, steps are arranged on the upper square body and the right square body to make an airflow vertically impact the steps, and the erosion and corrosion resisting capacities are greatly improved, so economic loss and potential safety hazards caused by oil and gas leakage are reduced, and the service life of the elbow is also prolonged.
Description
Technical field
The utility model relates to the corrosion-resistant connection pipe fitting technical field of natural petroleum gas field oil-gas gathering and transferring pipeline, is a kind of high pressure elbow bend.
Background technique
In oil and gas exploitation industry, oil-gas gathering and transportation system is a dynamic corrosion process, pipe interior be subjected to hydrogen sulfide, carbon dioxide, chlorine from etc. the corrosion of medium, under the fluid dynamics factor effect, produce serious erosion damage thus, cause pipeline to bore a hole, leak and ftracture, particularly the elbow corrosive wear is more serious.Elbow generally adopts the carbon steel pipe to simmer the system elbow, in the oil-gas gathering and transportation process, material (oil gas) is because centrifugal force and effect of inertia hit elbow outside inwall, part particle is wiped at wall and is moved, another part particle and the back bounce-back of outside inwall bump are returned, hit the inwall inboard again, and then inwall outside impacting, collide reach repeatedly and pass through elbow, can produce pit and groove hole that picture is dug out like this in the elbow, under corrosive environment, show as the bend pipe bottom and form stress corrosion, thereby cause elbow wall thickness attenuation and spot corrosion perforation gradually, especially material (gas stream) and the tube wall angle of shock are that 20 ° to 30 ° local transducer wall ' s abrasion is the most serious, because erosion makes the local attenuation of wearing and tearing of swan neck pars intramuralis, under certain pressure, cause revealing or explosion, cause oil and gas leakage to cause economic loss and potential safety hazard, and the working life of elbow is short.
Summary of the invention
The utility model provides a kind of high pressure elbow bend, has overcome the deficiency of above-mentioned prior art, and it can effectively solve the existing easy leakage of elbow or explosion and cause oil and gas leakage to cause the problem of economic loss and potential safety hazard.
The technical solution of the utility model realizes by following measure: a kind of high pressure elbow bend comprises elbow, upper flange plate and right flange plate; Elbow comprises right angle body and right right angle body, the left part of the right side, bottom of last right angle body and right right angle body is fixed together or constitutes one, the oil gas mouth of the oil gas mouth on right side, body bottom, last right angle and right right angle body left part is connected, the upper end and the upper flange plate of last right angle body are fixed together, the right-hand member and the right flange plate of right right angle body are fixed together, the stepped step that on the internal chamber wall on body top, last right angle, has at least two internal diameter to diminish gradually from top to bottom, the stepped step that on the internal chamber wall of right right angle body right part, has at least two internal diameter to diminish gradually from right-to-left.
Be further optimization and/or improvements below to above-mentioned model utility technological scheme:
The above-mentioned stepped step that can have three internal diameters to diminish gradually from top to bottom on the internal chamber wall on body top, right angle, the stepped step that on the internal chamber wall of right right angle body right part, has three internal diameters to diminish gradually gone up from right-to-left.
Junction surface between the above-mentioned adjacent step can be skewed, and its tilt angle is 135 °.
Can be fixed with intensive aspect on the lower end inner left wall of above-mentioned upward right angle body or constitute one with intensive aspect, the surface of intensive aspect is skewed, and its tilt angle is 135 °.
Above-mentioned upper end of going up the right angle body can be fixed with connecting tube or constitute one with last connecting tube, the lower end of upper flange plate and the upper end of last connecting tube are fixed together, on upper flange plate, be evenly equipped with flange hole, on the upper flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove, right-hand member at right right angle body is fixed with right connecting tube or constitutes one with right connecting tube, the left end of right flange plate and the right-hand member of right connecting tube are fixed together, on right flange plate, be evenly equipped with flange hole, on the right flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove.
The lower end of above-mentioned upper flange plate can be fixed by welding in the upper end of last connecting tube, and the left end of right flange plate is fixed by welding in the right-hand member of right connecting tube.
The utility model reasonable and compact in structure, easy to use, by on last right angle body and right right angle body, step being set, air-flow is just vertically impinged upon on the step, the ability of its erosion resistance and corrosion is greatly improved, therefore reduced economic loss and potential safety hazard that oil and gas leakage causes, also be improved the working life of elbow.
Description of drawings
Accompanying drawing 1 is looked the sectional structure schematic representation for master of the present utility model.
Accompanying drawing 2 is that the master after the utility model and pipeline connect looks the sectional structure schematic representation.
Coding in the accompanying drawing is respectively: 1 is upper flange plate, and 2 is right flange plate, and 3 is last right angle body, 4 is right right angle body, and 5 is step, and 6 is the junction surface between the adjacent step, 7 is intensive aspect, and 8 is last connecting tube, and 9 is flange hole, 10 is seal groove, 11 is seal ring, and 12 is right connecting tube, and 13 is boss, ɑ is the tilt angle of the junction surface between the adjacent step, and β is the tilt angle on intensive aspect surface.
Embodiment
The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description is described, as: the position relation of upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,2, this high pressure elbow bend comprises elbow, upper flange plate 1 and right flange plate 2; Elbow comprises right angle body 3 and right right angle body 4, the left part of the right side, bottom of last right angle body 3 and right right angle body 4 is fixed together or constitutes one, the oil gas mouth on right side, body 3 bottom, last right angle and the oil gas mouth of right right angle body 4 left parts are connected, the upper end and the upper flange plate 1 of last right angle body 3 are fixed together, the right-hand member and the right flange plate 2 of right right angle body 4 are fixed together, the step 5 that on the internal chamber wall on body 1 top, last right angle, has at least two internal diameter to diminish gradually from top to bottom, the step 5 that on the internal chamber wall of right right angle body 4 right parts, has at least two internal diameter to diminish gradually from right-to-left, like this, air-flow just vertically impinges upon on the step 5, avoiding the air-flow and the tube wall angle of shock is 20 ° to the 30 ° the most serious zones of wearing and tearing, thereby prolongs the elbow life-span.
Can according to actual needs above-mentioned high pressure elbow bend be made further optimization and/or improvements:
Shown in accompanying drawing 1,2, according to actual needs, the stepped step 5 that has three internal diameters to diminish gradually from top to bottom on the internal chamber wall on body 3 tops, last right angle, the stepped step 5 that on the internal chamber wall of right right angle body 4 right parts, has three internal diameters to diminish gradually from right-to-left.
Shown in accompanying drawing 1,2, according to actual conditions, the junction surface 6 between the adjacent step is skewed, and its tilt angle is 135 °.
Shown in accompanying drawing 1,2, be fixed with intensive aspect 7 on the lower end inner left wall of last right angle body 3 or constitute one with intensive aspect 7, the surface of intensive aspect is skewed, and its tilt angle is 135 °, like this, can reduce and go up the wearing and tearing that cause because of the oil gas impact body 3 bottoms, right angle.
As accompanying drawing 1, shown in 2, the upper end of last right angle body 3 is fixed with connecting tube 8 or constitutes one with last connecting tube 8, the upper end of the lower end of upper flange plate 1 and last connecting tube 8 is fixed together, on upper flange plate 1, be evenly equipped with flange hole 9, on the upper flange plate 1 of flange hole 9 inboards, seal groove 10 is arranged, seal ring 11 is installed in seal groove 10, right-hand member at right right angle body 4 is fixed with right connecting tube 12 or constitutes one with right connecting tube 12, the left end of right flange plate 2 and the right-hand member of right connecting tube 12 are fixed together, on right flange plate 2, be evenly equipped with flange hole 9, on the right flange plate 2 of flange hole 9 inboards, seal groove 10 is arranged, seal ring 11 is installed in seal groove 10, like this, compress seal ring 11 by boss 13 and just reached good sealing effect.
Shown in accompanying drawing 1,2, in order to increase stability and intensity, the lower end of upper flange plate 1 is fixed by welding in the upper end of last connecting tube 8, and the left end of right flange plate 2 is fixed by welding in the right-hand member of right connecting tube 12.
Above technical characteristics has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfies the demand of different situations.
Claims (10)
1. high pressure elbow bend, it is characterized in that comprising elbow, upper flange plate and right flange plate, elbow comprises right angle body and right right angle body, the left part of the right side, bottom of last right angle body and right right angle body is fixed together or constitutes one, the oil gas mouth of the oil gas mouth on right side, body bottom, last right angle and right right angle body left part is connected, the upper end and the upper flange plate of last right angle body are fixed together, the right-hand member and the right flange plate of right right angle body are fixed together, the step that on the internal chamber wall on body top, last right angle, has at least two internal diameter to diminish gradually from top to bottom, the step that on the internal chamber wall of right right angle body right part, has at least two internal diameter to diminish gradually from right-to-left.
2. high pressure elbow bend according to claim 1, it is characterized in that the stepped step that has three internal diameters to diminish gradually on the internal chamber wall on body top, right angle, the stepped step that on the internal chamber wall of right right angle body right part, has three internal diameters to diminish gradually from top to bottom from right-to-left.
3. high pressure elbow bend according to claim 1 and 2 is characterized in that the junction surface between the adjacent step is skewed, and its tilt angle is 135 °.
4. high pressure elbow bend according to claim 1 and 2 is characterized in that being fixed with on the lower end inner left wall of right angle body intensive aspect or constitutes one with intensive aspect, and the surface of intensive aspect is skewed, and its tilt angle is 135 °.
5. high pressure elbow bend according to claim 3 is characterized in that being fixed with on the lower end inner left wall of right angle body intensive aspect or constitutes one with intensive aspect, and the surface of intensive aspect is skewed, and its tilt angle is 135 °.
6. high pressure elbow bend according to claim 1 and 2, the upper end that it is characterized in that the right angle body is fixed with connecting tube or constitutes one with last connecting tube, the lower end of upper flange plate and the upper end of last connecting tube are fixed together, on upper flange plate, be evenly equipped with flange hole, on the upper flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove, right-hand member at right right angle body is fixed with right connecting tube or constitutes one with right connecting tube, the left end of right flange plate and the right-hand member of right connecting tube are fixed together, on right flange plate, be evenly equipped with flange hole, on the right flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove.
7. high pressure elbow bend according to claim 3, the upper end that it is characterized in that the right angle body is fixed with connecting tube or constitutes one with last connecting tube, the lower end of upper flange plate and the upper end of last connecting tube are fixed together, on upper flange plate, be evenly equipped with flange hole, on the upper flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove, right-hand member at right right angle body is fixed with right connecting tube or constitutes one with right connecting tube, the left end of right flange plate and the right-hand member of right connecting tube are fixed together, on right flange plate, be evenly equipped with flange hole, on the right flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove.
8. high pressure elbow bend according to claim 5, the upper end that it is characterized in that the right angle body is fixed with connecting tube or constitutes one with last connecting tube, the lower end of upper flange plate and the upper end of last connecting tube are fixed together, on upper flange plate, be evenly equipped with flange hole, on the upper flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove, right-hand member at right right angle body is fixed with right connecting tube or constitutes one with right connecting tube, the left end of right flange plate and the right-hand member of right connecting tube are fixed together, on right flange plate, be evenly equipped with flange hole, on the right flange plate of flange hole inboard, seal groove is arranged, seal ring is installed in seal groove.
9. high pressure elbow bend according to claim 6, the lower end that it is characterized in that upper flange plate is fixed by welding in the upper end of last connecting tube, and the left end of right flange plate is fixed by welding in the right-hand member of right connecting tube.
10. high pressure elbow bend according to claim 8, the lower end that it is characterized in that upper flange plate is fixed by welding in the upper end of last connecting tube, and the left end of right flange plate is fixed by welding in the right-hand member of right connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077967U CN201827573U (en) | 2010-08-27 | 2010-08-27 | High-pressure square elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205077967U CN201827573U (en) | 2010-08-27 | 2010-08-27 | High-pressure square elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201827573U true CN201827573U (en) | 2011-05-11 |
Family
ID=43966107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205077967U Expired - Lifetime CN201827573U (en) | 2010-08-27 | 2010-08-27 | High-pressure square elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201827573U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465515A (en) * | 2015-12-15 | 2016-04-06 | 芜湖市甬微制冷配件制造有限公司 | Flange |
| CN108413162A (en) * | 2018-06-09 | 2018-08-17 | 海盐四通管件制造有限公司 | A kind of right angle bump joint |
| CN111344513A (en) * | 2017-11-16 | 2020-06-26 | 株式会社神户制钢所 | Piping member and fluid transfer device |
-
2010
- 2010-08-27 CN CN2010205077967U patent/CN201827573U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465515A (en) * | 2015-12-15 | 2016-04-06 | 芜湖市甬微制冷配件制造有限公司 | Flange |
| CN111344513A (en) * | 2017-11-16 | 2020-06-26 | 株式会社神户制钢所 | Piping member and fluid transfer device |
| CN111344513B (en) * | 2017-11-16 | 2022-03-15 | 神钢压缩机株式会社 | Piping member and fluid transfer device |
| CN108413162A (en) * | 2018-06-09 | 2018-08-17 | 海盐四通管件制造有限公司 | A kind of right angle bump joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |