CN220910746U - Flange forging for oil-gas inlet of thermal high-pressure separator - Google Patents
Flange forging for oil-gas inlet of thermal high-pressure separator Download PDFInfo
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- CN220910746U CN220910746U CN202322437117.3U CN202322437117U CN220910746U CN 220910746 U CN220910746 U CN 220910746U CN 202322437117 U CN202322437117 U CN 202322437117U CN 220910746 U CN220910746 U CN 220910746U
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- flange
- arc
- shaped
- pressure separator
- gas inlet
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- 238000005242 forging Methods 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000003754 machining Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
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Abstract
The utility model provides a flange forging for an oil-gas inlet of a thermal high-pressure separator, which comprises a flange body, a flange connecting device and a flange connecting device, wherein the flange body is formed by integrally forming a connecting flange and a connecting pipe; the lower end of the connecting pipe is provided with an arc-shaped surface for being attached to the outer wall of the cylinder; the sealing surface, the inner wall and the arc surface of the flange body are welded with a hardening layer in a butt welding mode; the hardened layer on the arc surface is clamped with the circulation hole on the cylinder body. The flange body is integrally designed, so that the strength is higher, and the perpendicularity between the end face of the flange body and the axis cannot deviate after finish machining; furthermore, when the utility model is arranged on the cylinder body, one-time welding can be reduced, the labor intensity is reduced, and the cost is saved. The hardening layer is arranged for improving the hardness of the sealing surface, the inner wall and the arc-shaped surface, and further processing the hardening layer to ensure that the size and the roughness of the hardening layer meet the use requirements; the outer side of the hardening layer on the arc surface is required to be cut, so that the hardening layer is clamped with the flow hole.
Description
Technical Field
The utility model relates to the technical field of flange forgings, in particular to a flange forgings for an oil-gas inlet of a hot high-pressure separator.
Background
The hot high-pressure separator comprises a cylinder body, and an oil gas inlet flange is arranged on the cylinder body and used for being connected with an oil gas pipeline. The oil and gas inlet flange is typically secured by welding.
Chinese patent CN205655001U discloses an anti-corrosion inlet pipe connection device for an oil-gas separator, comprising an inlet pipe, the lower end of which is welded on a cylinder, and the upper end of which is welded with an inlet flange. The structure has low strength, high labor intensity and high cost after two times of welding; moreover, the welding deformation is also large, so that the perpendicularity deviation between the flange end face and the axis is relatively large.
Therefore, how to overcome the above-mentioned drawbacks is a problem to be solved by the person skilled in the art.
Disclosure of utility model
In order to solve the technical problems in the background art, the utility model discloses a flange forging for an oil gas inlet of a hot high-pressure separator.
The utility model provides a flange forging for an oil-gas inlet of a thermal high-pressure separator, which comprises a flange body, a flange connecting device and a flange connecting device, wherein the flange body is formed by integrally forming a connecting flange and a connecting pipe;
The lower end of the connecting pipe is provided with an arc-shaped surface for being attached to the outer wall of the cylinder;
The sealing surface, the inner wall and the arc surface of the flange body are welded with a hardening layer in a butt welding mode;
The hardened layer on the arc surface is clamped with the circulation hole on the cylinder body.
The flange body is integrally designed, so that the strength is higher, and the perpendicularity between the end face of the flange body and the axis cannot deviate after finish machining; furthermore, when the utility model is arranged on the cylinder body, one-time welding can be reduced, the labor intensity is reduced, and the cost is saved. The hardening layer is arranged for improving the hardness of the sealing surface, the inner wall and the arc-shaped surface, and further processing the hardening layer to ensure that the size and the roughness of the hardening layer meet the use requirements; the outer side of the hardening layer on the arc surface is required to be cut, so that the hardening layer is clamped with the flow hole.
The flange body is welded by fillet weld, the welding angle is generally 90 degrees, and the contact area is small and the connection strength is not high under the condition of ensuring the size of the welding leg, so that the problem is further improved and solved, and in particular, the side surface of the lower end of the connecting pipe is set to be a first side surface which is connected with the arc-shaped surface; the first side surface is wedge-shaped in cross section, and the necking end of the first side surface is connected with the arc-shaped surface.
Further, the first side protrudes beyond the nipple side. The arrangement improves the strength of the bottom of the flange body and reduces the deformation amount during welding.
The inner wall of the flange body is subjected to high pressure, and the arrangement of the first side surface can lead to uneven stress at the lower end of the flange body, so that the problem is further improved and solved, in particular, the upper end of the first side surface is also connected with the second side surface, the section of the second side surface is wedge-shaped, and the flaring end of the second side surface is connected with the first side surface; the inclination angles of the first side face and the second side face are equal, and the diameter of the upper end of the second side face is equal to the diameter of the outer end of the arc-shaped face.
The length requirements of the first side and the second side are relatively high, so that the problem is further improved and solved, in particular, a convex ring is connected between the first side and the second side. The convex ring is arranged to provide a length adjusting space for the first side face and the second side face, and the convex ring is cut, so that the lengths of the first side face and the second side face can be adjusted.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a front view of a mounting structure of the present utility model, with portions cut away;
FIG. 2 is an enlarged view at A in FIG. 1;
in the figure: 1. a connecting flange; 2. connecting pipe; 3. an arc surface; 4. a cylinder; 5. sealing surfaces; 6. adding a hard layer; 7. a first side; 8. a second side; 9. a convex ring; 41. and a flow hole.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Embodiment one:
As shown in FIG. 1, the utility model is a flange forging for an oil-gas inlet of a thermal high-pressure separator, which comprises a flange body, is arranged on a cylinder body 4 of the thermal high-pressure separator and is connected with a circulation hole 41 on the cylinder body 4. The flange body is formed by integrally forming a connecting flange 1 and a connecting pipe 2. The connecting flange 1 is used for connecting a flange on an oil and gas pipeline so as to charge oil and gas into the cylinder 4. The outer end face of the connecting flange 1 is provided with an annular groove for clamping a sealing ring to realize sealing.
The upper end of the adapter tube 2 is provided with an annular groove for providing a mounting space for the bolt and the nut. The lower extreme of takeover 2 is equipped with arcwall face 3, and the diameter equals with the outer wall diameter of barrel 4 for laminating the outer wall of barrel 4.
The sealing surface 5, the inner wall and the arc surface 3 of the flange body are welded with a hardening layer 6 in a butt welding mode, so that the hardness of the flange body reaches more than 170HBW, and the use requirement is met. After butt welding, the hardened layer 6 is further processed to make its size and roughness meet the use requirements. The outer side of the stiffening layer 6 on the arc-shaped surface 3 is required to be cut, so that the stiffening layer is clamped with the circulation holes 41, and the installation and the positioning are realized.
The flange body is integrally designed, so that the strength is higher, and the perpendicularity between the end face of the flange body and the axis cannot deviate after finish machining; furthermore, when the utility model is arranged on the cylinder body 4, one-time welding can be reduced, the labor intensity is reduced, and the cost is saved.
Embodiment two:
The difference from the first embodiment is that: the side surface of the lower end of the connecting pipe 2 is set to be a first side surface 7, and the first side surface 7 is connected with the arc-shaped surface 3; the first side surface 7 is wedge-shaped in cross section, and the necking end of the first side surface is connected with the arc-shaped surface 3. So set up, guaranteed under the condition of leg size, increased area of contact to joint strength has been improved.
Embodiment III:
compared with the embodiment, the difference is that: the first side 7 protrudes beyond the side of the adapter tube 2. The arrangement improves the strength of the bottom of the flange body and reduces the deformation amount during welding.
Embodiment four:
Compared with the three phases of the embodiment, the difference is that: as shown in fig. 2, the upper end of the first side 7 is also connected with a second side 8, the section of the second side 8 is wedge-shaped, and the flaring end of the second side 8 is connected with the first side 7; the inclination angles of the first side surface 7 and the second side surface 8 are equal, and the diameter of the upper end of the second side surface 8 is equal to the diameter of the outer end of the arc-shaped surface 3. Therefore, when the inner wall of the flange body is subjected to high pressure, the lower end of the flange body is uniformly stressed.
Fifth embodiment:
Compared with the fourth embodiment, the difference is that: as shown in fig. 2, a raised collar 9 is connected between the first side 7 and the second side 8. The convex ring 9 is arranged to provide a length adjusting space for the first side surface 7 and the second side surface 8, and the length of the first side surface 7 and the second side surface 8 can be adjusted by cutting the convex ring 9.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (5)
1. A hot high pressure separator oil gas entry flange forging, its characterized in that: comprises a flange body, which is formed by integrally forming a connecting flange (1) and a connecting pipe (2);
The lower end of the connecting pipe (2) is provided with an arc-shaped surface (3) for being attached to the outer wall of the cylinder (4);
A hardening layer (6) is welded on the sealing surface (5) and the inner wall of the flange body and the arc-shaped surface (3) in a butt welding mode;
the stiffening layer (6) on the arc-shaped surface (3) is clamped with the circulation hole (41) on the cylinder body (4).
2. The hot high pressure separator oil and gas inlet flange forging of claim 1, wherein: the side surface of the lower end of the connecting pipe (2) is set to be a first side surface (7), and the first side surface (7) is connected with the arc-shaped surface (3);
The section of the first side surface (7) is wedge-shaped, and the necking end of the first side surface is connected with the arc-shaped surface (3).
3. The hot high pressure separator oil and gas inlet flange forging of claim 2, wherein: the first side (7) protrudes beyond the side of the connecting tube (2).
4. A hot high pressure separator oil and gas inlet flange forging as set forth in claim 3 wherein: the upper end of the first side surface (7) is also connected with a second side surface (8), the section of the second side surface (8) is wedge-shaped, and the flaring end of the second side surface is connected with the first side surface (7); the inclination angles of the first side face (7) and the second side face (8) are equal, and the diameter of the upper end of the second side face (8) is equal to the diameter of the outer end of the arc-shaped face (3).
5. The hot high pressure separator oil and gas inlet flange forging as set forth in claim 4, wherein: a raised convex ring (9) is connected between the first side surface (7) and the second side surface (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322437117.3U CN220910746U (en) | 2023-09-07 | 2023-09-07 | Flange forging for oil-gas inlet of thermal high-pressure separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322437117.3U CN220910746U (en) | 2023-09-07 | 2023-09-07 | Flange forging for oil-gas inlet of thermal high-pressure separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220910746U true CN220910746U (en) | 2024-05-07 |
Family
ID=90915069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322437117.3U Active CN220910746U (en) | 2023-09-07 | 2023-09-07 | Flange forging for oil-gas inlet of thermal high-pressure separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220910746U (en) |
-
2023
- 2023-09-07 CN CN202322437117.3U patent/CN220910746U/en active Active
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