CN218119043U - Seamless steel pipe for novel heat exchanger - Google Patents
Seamless steel pipe for novel heat exchanger Download PDFInfo
- Publication number
- CN218119043U CN218119043U CN202222279362.1U CN202222279362U CN218119043U CN 218119043 U CN218119043 U CN 218119043U CN 202222279362 U CN202222279362 U CN 202222279362U CN 218119043 U CN218119043 U CN 218119043U
- Authority
- CN
- China
- Prior art keywords
- butt joint
- straight
- tube
- return bend
- heat exchanger
- 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.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a seamless steel pipe for a novel heat exchanger, which belongs to the technical field of heat exchanger pipelines, and comprises a bent pipe, wherein both ends of the bent pipe are provided with straight pipes, inner pipes are arranged in two straight pipes, both ends of the bent pipe are provided with a bent pipe interconnecting part and a butt joint groove, one ends of the two inner pipes, which are close to the bent pipe, are provided with straight pipe butt joint parts, one ends of the two inner pipes, which are close to the bent pipe, are provided with inner pipe butt joint parts, the two straight pipe butt joint parts are respectively inserted into one of the butt joint grooves, and the two inner pipe butt joint parts are respectively inserted into one of the bent pipe interconnecting parts; utilize the double seal of sealing ring and sealing washer, effectively improve sealed effect, the installation cover can rotate on the straight tube, and cooperation external screw thread portion and internal thread portion threaded connection reach the purpose of fixed mounting straight tube and inner tube, have strengthened the structural strength of junction, improve the holistic compressive capacity of return bend and straight tube, reduce the condition emergence of warping, leaking, improve the safety in utilization.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger pipeline, concretely relates to a seamless steel pipe for novel heat exchanger.
Background
A heat exchanger refers to a device that transfers part of the heat of a hot fluid to a cold fluid, and is also called a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied.
The patent document who discloses the part has the steel pipe for the heat exchanger among the prior art, and the chinese patent that application number is CN202021710845.7 discloses a nonrust steel pipe of anticorrosive U type that excels in for the heat exchanger, including U type body, U type body includes two straight body and connects the U type connecting pipe of two straight body, the outer tube outside the inner tube is located including inner tube and cover to the straight body, the inside wall of outer tube evenly is provided with a plurality of interior strengthening ribs, the lateral wall of inner tube evenly is provided with a plurality of outer strengthening ribs, arbitrary outer strengthening rib all is located adjacent two between the interior strengthening rib, and arbitrary interior strengthening rib is located adjacent two between the outer strengthening rib.
The steel pipe is a flow channel of fluid inside the heat exchanger and is one of important parts of the heat exchanger, the pressure resistance is poor due to the hollow structure inside the common steel pipe, deformation is easy to occur at the joint of pipelines, the leakage condition is caused, and the work of the heat exchanger is influenced, so that the seamless steel pipe for the novel heat exchanger is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seamless steel pipe for novel heat exchanger aims at solving the inside hollow structure of ordinary steel pipe among the prior art, and compressive capacity is relatively poor, easily takes place deformation in the junction of pipeline, and the condition that leads to leaking takes place, influences the problem of the work of heat exchanger.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a seamless steel pipe for novel heat exchanger, includes the return bend, the both ends of return bend all are provided with the straight tube, two all be provided with the inner tube in the straight tube, the both ends of return bend all are provided with return bend internal connection portion and butt joint groove, two the one end that the inner tube is close to the return bend all sets up straight tube butt joint portion, two the one end that the inner tube is close to the return bend all is provided with inner tube butt joint portion, two the straight tube butt joint portion inserts one of them butt joint inslot respectively, two in the inner tube butt joint portion inserts one of them return bend internal connection portion respectively, two all be provided with first seal assembly, two between straight tube butt joint portion and the butt joint groove all be provided with second seal assembly, two the junction of straight tube and return bend all is provided with the installation cover.
As an optimized scheme of the utility model, it is two sets of first seal assembly all includes the sealing washer, the sealing washer is located the butt joint inslot.
As a preferred scheme of the utility model, it is two sets of second seal assembly all includes the sealing ring, the contact surface of elbow connecting portion and inner tube butt joint portion all is provided with the recess, the sealing ring is located two recesses.
As an optimized scheme, the circumference fixed surface of inner tube is connected with a plurality of strengthening ribs, the inner wall of straight tube is provided with a plurality of muscle wire casings, the seamless laminating of strengthening rib is in muscle wire casing.
As a preferred scheme, the both ends surface of return bend all is provided with the external portion of return bend, two all be provided with external screw thread portion, two in the external portion of return bend the inner wall of installation cover all is provided with internal thread portion, external screw thread portion threaded connection is in internal thread portion.
As a preferred scheme of the utility model, the one end that the installation cover is close to the straight tube is provided with regular corner portion, regular corner portion sliding connection is in the circumferential surface of straight tube.
As an optimal scheme of the utility model, the inner wall of the terminal of inner tube butt joint portion and elbow internal connection portion all is provided with the inclined plane, two the circumferential surface of straight tube all is provided with the thread groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this scheme sealing ring laminating is between two recesses, can the straight tube butt joint portion insert the butt joint inslot, the butt joint groove receives the radial pressure of straight tube butt joint portion, utilize the double seal of sealing ring and sealing washer, effectively improve sealed effect, the installation cover can rotate on the straight tube, cooperation external screw thread portion and internal thread portion threaded connection, screw up the installation cover back, straight tube and inner tube can't remove, reach the purpose of fixed mounting straight tube and inner tube, the inner tube connection is in the junction of straight tube and return bend this moment, the structural strength of junction has been strengthened, improve return bend and the holistic compressive capacity of straight tube, the reduction is out of shape, the condition of leakage takes place, the safety in utilization improves.
2. This scheme strengthening rib evenly distributed has improved the overall structure intensity and the anti performance of buckling of straight tube and inner tube in the circumferential surface of inner tube, the inner tube inserts the inner tube back greatly, and the setting of thread groove has increased straight tube external surface area, and when its transport fluid, heat transfer medium can contact the surface of straight tube more, improves heat transfer effect.
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 sectional view of the present invention;
fig. 3 is an enlarged schematic structural view of a portion a of fig. 2 according to the present invention;
fig. 4 is a schematic diagram of the explosion structure of the present invention;
fig. 5 is an enlarged schematic structural diagram of the position B in fig. 3 according to the present invention.
In the figure: 1. bending the pipe; 2. a straight pipe; 3. an inner tube; 4. the inner part of the elbow pipe; 5. an inner tube butting portion; 6. a groove; 7. a bevel; 8. a seal ring; 9. a butt joint groove; 10. a seal ring; 11. a straight pipe butt joint part; 12. an external connection part of the elbow; 13. an external threaded portion; 14. installing a sleeve; 15. an internal thread portion; 17. a rib wire slot; 18. reinforcing ribs; 19. a regular corner portion; 20. a thread groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 work 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 novel heat exchanger, including return bend 1, the both ends of return bend 1 all are provided with straight tube 2, all be provided with inner tube 3 in two straight tubes 2, the both ends of return bend 1 all are provided with return bend interconnecting piece 4 and butt joint groove 9, two inner tubes 3 one end that is close to return bend 1 all sets up straight tube butt joint portion 11, two inner tubes 3 one end that is close to return bend 1 all is provided with inner tube butt joint portion 5, two straight tube butt joint portions 11 insert respectively in one of them butt joint groove 9, two inner tube butt joint portions 5 insert respectively in one of them return bend interconnecting piece 4, all be provided with first seal assembly between two straight tube butt joint portions 11 and the butt joint groove 9, all be provided with second seal assembly between two inner tube butt joint portions 5 and the return bend interconnecting piece 4, two straight tubes 2 all are provided with installation cover 14 with the junction of return bend 1.
The utility model discloses an in the embodiment, inner tube 3 is close to in the straight tube 2 is inserted to the one end of return bend 1 by straight tube 2, fill in between the sealing washer 10 in the butt joint groove 9, 8 covers of sealing ring locate in the recess 6 in the inner tube butt joint portion 5 outside, then insert in the return bend internal connection portion 4 with inner tube butt joint portion 5, sealing ring 8 laminates between two recesses 6, can insert in the butt joint groove 9 by straight tube butt joint portion 11, butt joint groove 9 receives the radial pressure of straight tube butt joint portion 11, utilize the double seal of sealing ring 8 and sealing washer 10, effectively improve sealed effect, installation cover 14 can rotate on straight tube 2, cooperation external thread portion 13 and 15 threaded connection of internal thread portion, after screwing up installation cover 14, straight tube 2 and inner tube 3 can't remove, reach the mesh of fixed mounting straight tube 2 and inner tube 3, inner tube 3 connects in the junction of straight tube 2 and return bend 1 this moment, the structural strength of junction has been strengthened, improve return bend 1 and the holistic compressive capacity of straight tube 2, the condition that reduces the deformation takes place.
Specifically, the two first sealing assemblies respectively comprise a sealing ring 10, and the sealing ring 10 is located in the butt joint groove 9.
In the embodiment of the present invention, after the butt joint portion 11 of the straight pipe is inserted into the butt joint groove 9, the sealing ring 10 is squeezed, and the sealing ring 10 receives the radial pressure of the butt joint portion 11 of the straight pipe, so as to provide sufficient sealing performance.
Specifically, two sets of second seal assembly all include sealing ring 8, and return bend inscription portion 4 all is provided with recess 6 with the contact surface of inner tube butt joint portion 5, and sealing ring 8 is located two recesses 6.
In the embodiment of the present invention, the sealing ring 8 is located on the contact surface between the elbow internal connection portion 4 and the inner pipe butt-joint portion 5, and seals the gap between the elbow internal connection portion 4 and the inner pipe butt-joint portion 5, thereby preventing the fluid from entering between the elbow internal connection portion 4 and the inner pipe butt-joint portion 5.
Specifically, the circumference surface fixed connection of inner tube 3 has a plurality of strengthening ribs 18, and the inner wall of straight tube 2 is provided with a plurality of muscle wire casing 17, and strengthening rib 18 is seamless laminating in muscle wire casing 17.
The utility model discloses an in the embodiment, a plurality of strengthening ribs 18 evenly distributed is on the circumference surface of inner tube 3, and inner tube 3 inserts the back in inner tube 3, has improved the overall structure intensity and the anti bending property of straight tube 2 and inner tube 3 greatly.
Specifically, the outer surfaces of the two ends of the elbow 1 are provided with elbow external connection parts 12, the two elbow external connection parts 12 are provided with external thread parts 13, the inner walls of the two mounting sleeves 14 are provided with internal thread parts 15, and the external thread parts 13 are in threaded connection with the internal thread parts 15.
In the embodiment of the present invention, the installation sleeve 14 is rotated to connect the internal thread portion 15 to the external thread portion 13, and the straight pipe butt-joint portion 11 cannot move due to the blocking of the regular corner portion 19, so as to fix the straight pipe 2 and the bent pipe 1.
Specifically, one end of the mounting sleeve 14 close to the straight pipe 2 is provided with a regular corner part 19, and the regular corner part 19 is slidably connected to the circumferential surface of the straight pipe 2.
In the embodiment of the present invention, the regular corner 19 is provided to facilitate the direct rotation of the mounting sleeve 14 by the worker.
Specifically, the end of the inner pipe butt joint part 5 and the inner wall of the elbow pipe inner joint part 4 are both provided with inclined planes 7, and the circumferential surfaces of the two straight pipes 2 are both provided with thread grooves 20.
The embodiment of the utility model provides an in the embodiment, the setting of inclined plane 7 for in the inside junction portion 4 of inserting the elbow that inner tube butt joint portion 5 can be level and smooth, the setting of thread groove 20 has increased 2 external surface areas of straight tube, and when its fluid delivery, heat transfer medium can contact the surface of straight tube 2 more, improves heat transfer effect.
The working principle is as follows: 8 laminating of sealing ring between two recesses 6, can the straight tube butt joint portion 11 insert the butt joint inslot 9, butt joint inslot 9 receives the radial pressure of straight tube butt joint portion 11, utilize the double seal of sealing ring 8 and sealing washer 10, effectively improve sealed effect, installation cover 14 can rotate on straight tube 2, cooperation external screw thread portion 13 and 15 threaded connection of internal thread portion, screw up installation cover 14 back, straight tube 2 and 3 unable removals of inner tube, reach the purpose of fixed mounting straight tube 2 and inner tube 3, inner tube 3 connects in the junction of straight tube 2 and return bend 1 this moment, the structural strength of junction has been strengthened, improve return bend 1 and the holistic compressive capacity of straight tube 2, the condition of reduction deformation takes place.
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 above, 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 (7)
1. The utility model provides a seamless steel pipe for novel heat exchanger, includes return bend (1), its characterized in that, the both ends of return bend (1) all are provided with straight tube (2), two all be provided with inner tube (3) in straight tube (2), the both ends of return bend (1) all are provided with return bend internal connection portion (4) and butt joint groove (9), two the one end that inner tube (3) are close to return bend (1) all sets up straight tube butt joint portion (11), two the one end that inner tube (3) are close to return bend (1) all is provided with inner tube butt joint portion (5), two in one of them butt joint groove (9) is inserted respectively in straight tube butt joint portion (11), two in one of them return bend internal connection portion (4) is inserted respectively in inner tube butt joint portion (5) two all be provided with second seal assembly, two between straight tube butt joint portion (11) and the butt joint groove (9) and the return bend internal connection portion (4) all be provided with installation cover (14).
2. The seamless steel tube for the novel heat exchanger as claimed in claim 1, wherein: two sets of first seal assembly all includes sealing washer (10), sealing washer (10) are located butt joint inslot (9).
3. The seamless steel tube for the novel heat exchanger as claimed in claim 2, wherein: two sets of second seal assembly all includes sealing ring (8), the contact surface of elbow internal portion (4) and inner tube butt joint portion (5) all is provided with recess (6), sealing ring (8) are located two recess (6).
4. The seamless steel tube for the novel heat exchanger as claimed in claim 3, wherein: the circumference fixed surface of inner tube (3) is connected with a plurality of strengthening ribs (18), the inner wall of straight tube (2) is provided with a plurality of muscle wire casings (17), strengthening rib (18) seamless laminating is in muscle wire casing (17).
5. The seamless steel tube for the novel heat exchanger as claimed in claim 4, wherein: the both ends surface of return bend (1) all is provided with the external portion (12) of return bend, two all be provided with external screw thread portion (13), two on the external portion (12) of return bend the inner wall of installation cover (14) all is provided with internal thread portion (15), external screw thread portion (13) threaded connection is in internal thread portion (15).
6. The seamless steel tube for the novel heat exchanger as claimed in claim 5, wherein: one end, close to the straight pipe (2), of the mounting sleeve (14) is provided with a regular corner portion (19), and the regular corner portion (19) is connected to the circumferential surface of the straight pipe (2) in a sliding mode.
7. The seamless steel tube for the novel heat exchanger as claimed in claim 6, wherein: the tail end of the inner pipe butt joint part (5) and the inner wall of the bent pipe inner connection part (4) are provided with inclined planes (7), and the circumferential surfaces of the straight pipes (2) are provided with thread grooves (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279362.1U CN218119043U (en) | 2022-08-29 | 2022-08-29 | Seamless steel pipe for novel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222279362.1U CN218119043U (en) | 2022-08-29 | 2022-08-29 | Seamless steel pipe for novel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218119043U true CN218119043U (en) | 2022-12-23 |
Family
ID=84528983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222279362.1U Active CN218119043U (en) | 2022-08-29 | 2022-08-29 | Seamless steel pipe for novel heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218119043U (en) |
-
2022
- 2022-08-29 CN CN202222279362.1U patent/CN218119043U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218119043U (en) | Seamless steel pipe for novel heat exchanger | |
| CN2911366Y (en) | Dual-layer heat sealing and inserting light resistance and oxygen isolation pipe junction | |
| CN111120781A (en) | Cold shield structure for low-temperature transmission pipeline | |
| CN201858454U (en) | Splicing pipe connecting pipe fitting with bushing | |
| CN208204256U (en) | The insulation docking mechanism of cryogenic vacuum pipeline | |
| CN219282769U (en) | Energy-saving steam directly-buried pipeline heat insulation structure | |
| CN101943298B (en) | Vacuum composite delivery pipe and connecting structure | |
| CN211373323U (en) | Heat exchange tube convenient to maintain | |
| CN108506609A (en) | The adiabatic docking mechanism of cryogenic vacuum pipeline | |
| CN210462040U (en) | Seamless steel pipe | |
| CN210266267U (en) | Self-tapping thread type self-sealing seamless connection device special for skirting line type radiator | |
| CN210716369U (en) | Composite lining sliding sleeve for pipeline connection | |
| CN205781525U (en) | Water pipe head, water tank and hot water machine | |
| CN216479488U (en) | Anti-seepage structure of heating ventilation water supply and drainage pipeline | |
| CN213066577U (en) | Water heater capable of being assembled quickly | |
| CN112344108B (en) | Nodular cast iron pipe with prefabricated heat preservation | |
| CN102454841A (en) | Inserted connecting pipe fitting with bushing | |
| CN210687327U (en) | Novel prefabricated built on stilts insulating tube interface | |
| CN218000772U (en) | Pipeline connecting structure and liquid cooling system | |
| CN218599046U (en) | M type carbon steel stainless steel internal thread quick-operation joint | |
| CN213147523U (en) | Combined heat exchange copper pipe | |
| CN219013640U (en) | Oil pipe joint | |
| CN220457061U (en) | Steel plastic-coated elbow joint for cable protection | |
| CN220286757U (en) | Corrosion-resistant and leakage-proof metal expansion joint | |
| CN212747472U (en) | Inner hole welding structure of tube plate of heat exchanger tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |