CN217784485U - Seamless steel pipe for petroleum cracking - Google Patents
Seamless steel pipe for petroleum cracking Download PDFInfo
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- CN217784485U CN217784485U CN202221494053.XU CN202221494053U CN217784485U CN 217784485 U CN217784485 U CN 217784485U CN 202221494053 U CN202221494053 U CN 202221494053U CN 217784485 U CN217784485 U CN 217784485U
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- butt joint
- steel pipe
- pipe body
- seamless steel
- sealing
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Abstract
The utility model provides a seamless steel pipe for petroleum cracking, which belongs to the technical field of seamless steel pipes and comprises a butt joint sleeve, wherein butt joint grooves are respectively arranged at two sides of the butt joint sleeve, steel pipe bodies are movably inserted in the two butt joint grooves, a sealing ring and a group of elastic components are respectively arranged in the two butt joint grooves, the two sealing rings are respectively positioned between the elastic components and the steel pipe bodies, butt joint parts are respectively arranged at one sides of the two butt joint grooves, which are close to the steel pipe bodies, and sealing rings are respectively arranged between the two butt joint parts and the close steel pipe bodies; sealing ring cooperation sealing washer double seal compares current seal structure, effectively strengthens the leakproofness, and the sealing washer can be along with the expend with heat and contract with cold certain distance to nipple and steel pipe body moreover, and the change of adaptation temperature improves the security, and the condition that reduces the leakage takes place.
Description
Technical Field
The utility model belongs to the technical field of seamless steel pipe, concretely relates to seamless steel pipe is used in oil cracking.
Background
A seamless pipe is a long steel material having a hollow cross section and no joint at the periphery, and a steel pipe having a hollow cross section is widely used as a pipeline for transporting fluids, such as pipelines for transporting oil, natural gas, water and some solid materials. Compared with solid steel such as round steel, the steel pipe has the advantages of same bending strength and torsion strength and lighter weight, is steel with an economic section, and is widely used for manufacturing structural parts and mechanical parts, such as petroleum drill pipes, automobile transmission shafts, bicycle frames, steel scaffold used in building construction and the like.
The patent document who discloses the part has seamless steel pipe among the prior art, chinese patent with application number CN202122057323.2 discloses a high level and smooth antifatigue ground mat, a accurate cold-drawn alloy seamless steel pipe interfacing apparatus, include seamless steel pipe and install the steel pipe interfacing apparatus on seamless steel pipe, the seal groove has been seted up to seamless steel pipe's both ends symmetry, the locking groove has been seted up on the surface at seamless steel pipe's both ends, the locking groove is in the rear end of seal groove, the steel pipe interfacing apparatus has been cup jointed under operating condition to seamless steel pipe's tip, is provided with sealed piece respectively in the inside seal block that is provided with in the both ends of adapter sleeve, sealed piece and the seal groove cooperation on the steel pipe.
When the seamless steel pipe for petroleum cracking is applied to a heat exchanger for petrochemical industry, the seamless steel pipe for petroleum cracking is required to have better heat conduction performance, corrosion resistance and structural strength, although the existing seamless steel pipe meets the requirements, the sealing performance of the existing seamless steel pipe is influenced due to long-term work of heat exchange, the leakage condition can be caused, and the life safety of workers is influenced, so that the seamless steel pipe for petroleum cracking is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seamless steel pipe is used in oil cracking aims at solving the long-term work of the seamless steel pipe heat exchange among the prior art, leads to its leakproofness to receive the influence, can lead to the condition of revealing to take place, influences staff's life safety's problem.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a seamless steel pipe for oil cracking, includes the butt joint cover, the both sides of butt joint cover all are provided with the butt joint groove, two all activity grafting has the steel pipe body in the butt joint inslot, two all be provided with sealing washer and a set of elastic component in the butt joint inslot, two the sealing washer all is located between elastic component and the steel pipe body, two one side that the butt joint groove is close to the steel pipe body all is provided with butt joint portion, two all be provided with the sealing ring between butt joint portion and the steel pipe body that is close to.
As an optimized scheme of the utility model, every group elastic component all includes spring and gasket, the spring is located the butt joint inslot, gasket sliding connection is in the butt joint inslot, the gasket is located between sealing washer and the spring.
As a preferred scheme of the utility model, one side that the steel pipe body is close to the butt joint cover all is provided with grafting portion, two equal sliding connection has the steel ring in the grafting portion, the sealing ring is located between steel ring and the butt joint portion.
As a preferred scheme of the utility model, two a plurality of evenly distributed's first mounting hole has all been seted up on the circumferential surface of grafting portion, a plurality of evenly distributed's guide way, every have all been seted up on the circumferential surface of butt joint cover equal threaded connection has the bolt in the guide way.
As a preferred scheme of the utility model, two the equal cover in grafting portion surface is equipped with the guide ring, two a plurality of evenly distributed's second mounting hole and guide way are all seted up to the circumferential surface of guide ring, a plurality of evenly distributed's third mounting hole, every are seted up to the circumferential surface of butt joint cover the guide way is corresponding rather than one of them third mounting hole.
As a preferred scheme of the utility model, every the bolt all runs through in one of them second mounting hole and extend to first mounting hole, the bolt is provided with six at least.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this scheme is when the steel pipe body inserts the butt joint inslot, grafting portion extends to the butt joint inslot, and promote the sealing washer and remove, under the elastic action of spring, the sealing washer is in compression state, the gap between grafting portion and the butt joint groove is filled to the part that the sealing washer spills over, strengthen the sealed effect that grafting portion is close to butt joint cover one side, simultaneously behind bolt fastening butt joint cover and steel pipe body, steel ring and butt joint portion all are located the inside of grafting portion, steel pipe body extrusion steel ring removes this moment, make the sealing ring can't remove, the outer loop part of sealing ring spills over the inner wall contact with grafting portion, and be in compression state, provide the sealed effect of the contact surface of butt joint portion and grafting portion, sealing ring cooperation sealing washer double seal, compare current seal structure, effectively strengthen the leakproofness, and the sealing washer can be along with the expend with heat and contract with cold certain distance to butt joint cover and steel pipe body, adaptation temperature's change, safety is improved, the condition that reduces to leak takes place.
2. The diameter of the diameter steel pipe body inner wall of this scheme grafting portion inner wall, the diameter of grafting portion circumference is less than the diameter of steel pipe body circumference, the circumference surface of steel ring and the inner wall contact of grafting portion, and the sealing ring is extrusion formula installation under the effect of steel ring, and the mounting means is simple, need not the bolt fastening, makes things convenient for the later stage to change the sealing ring.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the radial cross-section structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the steel pipe body of the present invention;
fig. 4 is a schematic structural view of the sealing ring of the present invention;
fig. 5 is a schematic view of the structure of the guide ring of the present invention.
In the figure: 1. butting sleeves; 2. a steel pipe body; 3. a butt joint groove; 4. a plug-in part; 5. a guide ring; 6. a first mounting hole; 7. a second mounting hole; 8. a guide groove; 9. a bolt; 10. a third mounting hole; 12. a spring; 13. a gasket; 14. a seal ring; 15. a butt joint part; 16. a steel ring; 17. and (4) a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Examples
Referring to fig. 1 to 5, the technical solution provided in this embodiment is as follows:
the utility model provides a seamless steel pipe for oil cracking, includes butt joint cover 1, butt joint cover 1's both sides all are provided with butt joint groove 3, two equal activity pegs graft in the butt joint groove 3 have steel pipe body 2, all be provided with sealing washer 14 and a set of elastic component in two butt joint grooves 3, two sealing washers 14 all are located between elastic component and the steel pipe body 2, one side that two butt joint grooves 3 are close to steel pipe body 2 all is provided with butt joint portion 15, all be provided with sealing ring 17 between two butt joint portion 15 and the steel pipe body 2 that is close to.
The utility model discloses an in the embodiment, the butt joint cover 1 is located between two steel pipe bodies 2, a butt joint for two steel pipe bodies 2, when steel pipe body 2 inserts in butt joint groove 3, grafting portion 4 extends to in butt joint groove 3, and promote sealing washer 14 to remove, under spring 12's elastic action, sealing washer 14 is in compression state, the gap between grafting portion 4 and the butt joint groove 3 is filled to the part that sealing washer 14 spills over, strengthen grafting portion 4 and be close to the sealed effect to grafting cover 1 one side, simultaneously behind bolt 9 fixed butt joint cover 1 and steel pipe body 2, steel ring 16 and butt joint portion 15 all are located grafting portion 4's inside, steel pipe body 2 extrusion steel ring 16 removes this moment, make sealing ring 17 can't remove, sealing ring 17's outer loop part spills over and the inner wall contact with grafting portion 4, and be in compression state, provide the contact surface sealed effect of butt joint portion 15 with grafting portion 4, sealing ring 17 cooperation sealing washer 14 double sealing, compare current seal structure, effectively strengthen the leakproofness, and sealing washer 14 can be along with the certain distance to the thermal contraction of butt joint cover 1 with steel pipe body 2, the change of the adaptation, the cold contraction change of the increase of safety.
Specifically, each group of elastic assemblies comprises a spring 12 and a gasket 13, the spring 12 is located in the butt joint groove 3, the gasket 13 is connected in the butt joint groove 3 in a sliding mode, and the gasket 13 is located between the sealing ring 14 and the spring 12.
The utility model discloses an in the concrete embodiment, sealing washer 14, spring 12 and gasket 13 all are located butt joint inslot 3, one side of spring 12 and the inner wall contact of butt joint inslot 3, one side and the 4 contacts of grafting portion of sealing washer 14, butt joint cover 1 and the installation of steel pipe body 2 back, sealing washer 14 removes to butt joint inslot 3 under the impetus of grafting portion 4, spring 12 is in compression state this moment, sealing washer 14 receives spring 12's radial thrust, reduce the gap between sealing washer 14 and the 3 inner walls of butt joint inslot, improve the leakproofness, and gasket 13's setting, make sealing washer 14's opposite side and gasket 13 contact, and the contact surface is the plane, can avoid sealing washer 14 to take place distortion, guarantee that sealing washer 14 can normal use.
Specifically, one side that steel pipe body 2 is close to butt joint cover 1 all is provided with grafting portion 4, and equal sliding connection has steel ring 16 in two grafting portions 4, and sealing ring 17 is located between steel ring 16 and the butt joint portion 15.
The utility model discloses an in the concrete embodiment, the diameter of the 2 inner walls of diameter steel pipe body of the 4 inner walls of grafting portion, the diameter of 4 circumferences of grafting portion is less than the diameter of 2 circumferences of steel pipe body, and the circumference surface of steel ring 16 and the inner wall contact of grafting portion 4, sealing ring 17 extrusion formula installation under the effect of steel ring 16, and the mounting means is simple, need not the bolt fastening, makes things convenient for later stage change sealing ring 17.
Specifically, a plurality of evenly distributed first mounting holes 6 have all been seted up on the circumferential surface of two grafting portions 4, and a plurality of evenly distributed's guide way 8 has all been seted up to the circumferential surface of nipple 1, and equal threaded connection has bolt 9 in every guide way 8.
In the embodiment of the present invention, each first mounting hole 6 corresponds to one of the guiding grooves 8, and the bolt 9 can be inserted into the first mounting hole 6 after being tightened, so as to fix the steel pipe body 2.
Specifically, the surface of each of the two insertion parts 4 is sleeved with a guide ring 5, the circumferential surfaces of the two guide rings 5 are provided with a plurality of uniformly distributed second mounting holes 7 and guide grooves 8, the circumferential surface of the butt joint sleeve 1 is provided with a plurality of uniformly distributed third mounting holes 10, and each guide groove 8 corresponds to one of the third mounting holes 10.
In the embodiment of the present invention, the second mounting hole 7 is located between the insertion part 4 and the docking sleeve 1, and the guide groove 8 and the third mounting hole 10 are aligned, so that the bolt 9 can penetrate through the second mounting hole 7 and be inserted into the first mounting hole 6, thereby facilitating positioning and installation.
Specifically, each bolt 9 penetrates through one of the second mounting holes 7 and extends into the first mounting hole 6, and at least six bolts 9 are arranged.
The utility model discloses an in the embodiment, every steel pipe body 2 is connected with three bolt 9 at least, guarantees that steel pipe body 2 installation back structure is firm, can not loose easily.
The working principle is as follows: when the steel pipe body 2 is inserted into the butt joint groove 3, the plug-in part 4 extends into the butt joint groove 3, and the sealing ring 14 is pushed to move, under the elastic action of the spring 12, the sealing ring 14 is in a compression state, the part of the overflow of the sealing ring 14 fills the gap between the plug-in part 4 and the butt joint groove 3, the sealing effect of the plug-in part 4 close to one side of the butt joint sleeve 1 is enhanced, meanwhile, after the butt joint sleeve 1 and the steel pipe body 2 are fixed by the bolt 9, the steel ring 16 and the butt joint part 15 are both located inside the plug-in part 4, at the moment, the steel pipe body 2 extrudes the steel ring 16 to move, the sealing ring 17 cannot move, the outer ring part of the sealing ring 17 overflows to contact with the inner wall of the plug-in part 4 and is in the compression state, the sealing effect of the contact surface of the butt joint part 15 and the plug-in part 4 is provided, the sealing ring 17 is matched with the sealing ring 14 for double sealing, compared with the existing sealing structure, the sealing performance is effectively enhanced, and the sealing ring 14 can be matched with a certain distance of expansion and contraction of the butt joint sleeve 1 and the steel pipe body 2, the change of the temperature is adapted, the safety is improved, and the leakage is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a seamless steel pipe for oil cracking, includes butt joint cover (1), its characterized in that, the both sides of butt joint cover (1) all are provided with butt joint groove (3), two equal activity is pegged graft in butt joint groove (3) has steel pipe body (2), two all be provided with sealing washer (14) and a set of elastic component in butt joint groove (3), two sealing washer (14) all are located between elastic component and steel pipe body (2), two one side that butt joint groove (3) are close to steel pipe body (2) all is provided with butt joint portion (15), two all be provided with sealing ring (17) between butt joint portion (15) and the steel pipe body (2) that are close to.
2. The seamless steel pipe for petroleum cracking according to claim 1, characterized in that: every group elastic component all includes spring (12) and gasket (13), spring (12) are located butt joint groove (3), gasket (13) sliding connection is in butt joint groove (3), gasket (13) are located between sealing washer (14) and spring (12).
3. The seamless steel pipe for petroleum cracking according to claim 2, characterized in that: one side of the steel pipe body (2) close to the butt joint sleeve (1) is provided with a splicing part (4), two steel rings (16) are connected in the splicing part (4) in a sliding mode, and the sealing ring (17) is located between the steel rings (16) and the butt joint part (15).
4. The seamless steel pipe for petroleum cracking as claimed in claim 3, wherein: a plurality of evenly distributed first mounting holes (6) are formed in the circumferential surface of the two insertion parts (4), a plurality of evenly distributed guide grooves (8) are formed in the circumferential surface of the butt joint sleeve (1), and each guide groove (8) is internally provided with a bolt (9) in an equal threaded connection mode.
5. The seamless steel pipe for petroleum cracking as claimed in claim 4, wherein: the surface of each of the two insertion parts (4) is sleeved with a guide ring (5), the circumferential surface of each of the guide rings (5) is provided with a plurality of uniformly distributed second mounting holes (7) and guide grooves (8), the circumferential surface of each of the butting sleeves (1) is provided with a plurality of uniformly distributed third mounting holes (10), and each of the guide grooves (8) corresponds to one of the third mounting holes (10).
6. The seamless steel pipe for petroleum cracking according to claim 5, characterized in that: each bolt (9) penetrates through one of the second mounting holes (7) and extends into the first mounting hole (6), and at least six bolts (9) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221494053.XU CN217784485U (en) | 2022-06-15 | 2022-06-15 | Seamless steel pipe for petroleum cracking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221494053.XU CN217784485U (en) | 2022-06-15 | 2022-06-15 | Seamless steel pipe for petroleum cracking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217784485U true CN217784485U (en) | 2022-11-11 |
Family
ID=83935158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221494053.XU Active CN217784485U (en) | 2022-06-15 | 2022-06-15 | Seamless steel pipe for petroleum cracking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217784485U (en) |
-
2022
- 2022-06-15 CN CN202221494053.XU patent/CN217784485U/en active Active
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