CN216952196U - Loose flange self-balancing pipeline compensator - Google Patents
Loose flange self-balancing pipeline compensator Download PDFInfo
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- CN216952196U CN216952196U CN202220054114.4U CN202220054114U CN216952196U CN 216952196 U CN216952196 U CN 216952196U CN 202220054114 U CN202220054114 U CN 202220054114U CN 216952196 U CN216952196 U CN 216952196U
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Abstract
The utility model discloses a loose flange self-balancing pipeline compensator which structurally comprises a pipeline, a loose flange, a fixed flange and the like, wherein the pipeline is designed into a unique structure with an inner corrugated pipe and an outer corrugated pipe, the loose flange self-balancing pipeline compensator also comprises a water inlet pipe, an outer pipe, a water outlet pipe and the like, an air cavity in the inner corrugated pipe is directly communicated with the outside, a water cavity formed among the water inlet pipe, the inner corrugated pipe and the outer pipe, a water gap formed among the outer corrugated pipe and the water outlet pipe are communicated with each other; therefore, when the stress of the outer corrugated pipe is transmitted to the inner corrugated pipe through the outer pipe and the water inlet pipe, the inner corrugated pipe can deform to offset the stress on the outer corrugated pipe by exhausting to the outside through the air cavity, and thus the stress compensation balance between the inner corrugated pipe and the outer corrugated pipe is formed. The improved pipeline compensator not only has the advantages of small elastic counterforce, large compensation capacity, axial stability, good heat preservation and safety performance and the like, but also has lower installation requirements on a fixed support in a pipeline system.
Description
Technical Field
The utility model relates to a pipeline compensator, in particular to a loose flange self-balancing pipeline compensator.
Background
At present, the fluid generates a forward or reverse thrust in the pipeline system due to temperature difference or pressure difference during operation, the thrust often breaks the balance of the pipeline system and causes damage to the pipeline system, and therefore a pipeline compensator must be installed in the pipeline system to buffer or unload the thrust. The traditional pipeline compensator mainly refers to a flange type pipeline compensator, the structure of the pipeline compensator is usually composed of a pipeline, a loose flange, a fixed flange and the like, the loose flange and the fixed flange are respectively installed at two ends of the pipeline, although the installation and centering of the pipeline compensator are easier due to the application of the loose flange structure, namely the installation of products is facilitated, the pipeline forming the pipeline compensator only adopts a simple single pipeline structure, so that the pipeline compensator has the defects of larger elastic counter force, small compensation capacity, unstable axial direction, poor heat preservation and safety performance and the like in actual use, and also provides higher installation requirements for a fixed support in a pipeline system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the loose flange self-balancing pipeline compensator which has the advantages of small elastic counter force, large compensation capacity, axial stability, good heat preservation and safety performance and low requirement on the installation of a fixed support in a pipeline system.
The technical problem of the utility model is realized by the following technical scheme:
a loose flange self-balancing pipeline compensator comprises a pipeline, a loose flange and a fixed flange, wherein the pipeline comprises an inner corrugated pipe and an outer pipe, the two ends of the inner corrugated pipe are closed, an air cavity is formed in the inner corrugated pipe, and the outer pipe is sleeved outside the inner corrugated pipe and forms a water cavity with the inner corrugated pipe; the left end of the inner corrugated pipe is provided with a fixedly installed water inlet pipe, the left end of the water inlet pipe penetrates through the left end of the outer pipe and is provided with a loose flange, and the left end of the outer pipe and the water inlet pipe are fixed in a sealing manner; the right end of the inner corrugated pipe is provided with a fixedly installed water outlet pipe, the water outlet pipe is externally provided with a sleeved outer corrugated pipe, a water passing gap is formed between the outer corrugated pipe and the water outlet pipe, the left end of the outer corrugated pipe is fixed with the right end of the outer pipe in a sealing manner, and the right end of the outer corrugated pipe and the right end of the water outlet pipe are simultaneously provided with a fixing flange; the air cavity is communicated with the outside; the water inlet pipe, the water cavity, the water gap and the water outlet pipe are communicated; the outer corrugated pipe is stressed and is transmitted to the inner corrugated pipe through the outer pipe and the water inlet pipe, the air cavity exhausts to the outside, so that the inner corrugated pipe deforms to offset the stress on the outer corrugated pipe, and further stress compensation balance between the inner corrugated pipe and the outer corrugated pipe is formed.
The two ends of the inner corrugated pipe are respectively provided with an inner connecting pipe and end sockets for sealing the end part of the inner connecting pipe, and the right end of the water inlet pipe and the left end of the water outlet pipe are respectively fixed on the end sockets at the two ends of the inner corrugated pipe.
The inner connecting pipe is provided with an exhaust pipe, the inner end of the exhaust pipe is communicated with the air cavity in a sealing mode, the outer end of the exhaust pipe extends out of the outer pipe to be communicated with the outside, and the exhaust pipe and the outer pipe are fixed in a sealing mode.
The water inlet pipe is provided with water inlet holes respectively communicated with the water inlet pipe and the water cavity, the water outlet pipe is provided with water outlet holes respectively communicated with the water outlet pipe and the water cavity, and small holes respectively communicated with the water outlet pipe and the water through gap.
The two ends of the outer corrugated pipe are respectively provided with an external pipe, the external pipe at the left end of the outer corrugated pipe is fixed with the right end of the outer pipe in a sealing way, and the external pipe at the right end of the outer corrugated pipe is provided with a fixing flange.
The outer connecting pipe is provided with an ear plate, the outer pipe is provided with a pull rod, and the pull rod movably penetrates through the ear plate to form guiding.
The outer tube is provided with a drain hole and a drain valve for opening and closing the drain hole.
Compared with the prior art, the utility model mainly provides the pipeline compensator with the unique pipeline design, and the pipeline mainly comprises an inner corrugated pipe with two closed ends and an air cavity, an outer pipe sleeved outside the inner corrugated pipe and a water cavity formed between the outer corrugated pipe and the inner corrugated pipe, and the like; wherein, the left end of the inner corrugated pipe is provided with a fixedly installed water inlet pipe, the left end of the water inlet pipe penetrates through the left end of the outer pipe and is provided with a loose flange, and the left end of the outer pipe and the water inlet pipe are fixed in a sealing way; the outer end of the water outlet pipe is provided with a sleeved outer corrugated pipe, a water gap is formed between the outer corrugated pipe and the water outlet pipe, the left end of the outer corrugated pipe is fixed with the right end of the outer pipe in a sealing way, and the right end of the outer corrugated pipe and the right end of the water outlet pipe are simultaneously provided with fixing flanges; meanwhile, the air cavity is directly communicated with the outside, and a mutually communicated circulation channel is formed among the water inlet pipe, the water cavity, the water passing gap and the water outlet pipe; therefore, when the stress of the outer corrugated pipe is transmitted to the inner corrugated pipe through the outer pipe and the water inlet pipe, the inner corrugated pipe can deform to offset the stress on the outer corrugated pipe by exhausting to the outside through the air cavity, and thus the stress compensation balance between the inner corrugated pipe and the outer corrugated pipe is formed. The improved pipeline compensator not only has the advantages of small elastic counter force, large compensation capacity, axial stability, good heat preservation and safety performance and the like, but also has low installation requirements on a fixed support in a pipeline system.
Drawings
Fig. 1 is a schematic half sectional structure of the present invention.
Fig. 2 is a schematic sectional view showing the flow direction of a fluid in the present invention.
FIG. 3 is a schematic sectional view of the air chamber formed by the inner corrugated pipe, the inner connecting pipe and the end enclosure.
Fig. 4 is a schematic sectional structure view of the water inlet pipe.
Fig. 5 is a schematic sectional structure view of the water outlet pipe.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the drawings.
As shown in fig. 1 to 5, 1 is a loose flange, 2 is a water inlet pipe, 21 is a water inlet hole, 3 is an inner corrugated pipe, 31 is a gas cavity, 32 is an inner connecting pipe, 33 is a sealing head, 4 is an outer pipe, 41 is a water cavity, 5 is a water outlet pipe, 51 is a water outlet hole, 52 is a small hole, 6 is an outer corrugated pipe, 61 is a water passing gap, 62 is an outer connecting pipe, 63 is an ear plate, 7 is a fixed flange, 8 is a pull rod, 81 is a locking nut, 9 is a drain valve, and 10 is an exhaust pipe.
A self-balancing pipeline compensator for a loose flange is mainly installed in a pipeline system, and when fluid generates forward or reverse thrust in the pipeline system due to temperature difference or pressure difference in the operation process, the thrust can be buffered or unloaded through the pipeline compensator, so that the safe operation of the pipeline system is protected.
The pipeline compensator mainly comprises a pipeline, a loose flange 1, a fixed flange 7 and the like, and the pipeline adopts a very unique inner corrugated pipe structure design and an outer corrugated pipe structure design.
Wherein, the both ends of interior bellows 3 are closed and are formed with air cavity 31, and the concrete structure is as shown in fig. 3: the two ends of the inner corrugated pipe 3 are respectively provided with an inner connecting pipe 32 and a seal head 33 for sealing the end part of the inner connecting pipe; thus, the inner bellows 3, the inner nipple 32 and the closure head 33 can together constitute a closed part with an independent air chamber 31.
The left end of the inner corrugated pipe 3 is provided with a fixedly mounted water inlet pipe 2, the right end of the inner corrugated pipe 3 is provided with a fixedly mounted water outlet pipe 5, namely, as shown in fig. 1 and 2, the water inlet pipe 2 and the water outlet pipe 5 are both positioned on the same axis line with the inner corrugated pipe 3, the right end of the water inlet pipe 2 is welded on a sealing head 33 at the left end of the inner corrugated pipe 3 to form fixation, and the left end of the water outlet pipe 5 is welded on the sealing head 33 at the right end of the inner corrugated pipe 3 to form fixation.
The outer pipe 4 is sleeved outside the inner corrugated pipe 3; the left end of the water inlet pipe 2 penetrates through the left end of the outer pipe 4 and is provided with the loose flange 1, and the left end of the outer pipe 4 and the water inlet pipe 2 are sealed and fixed in a circumferential welding mode; the outer bellows 6 of suit is equipped with outward to outlet pipe 5 outside, the both ends of this outer bellows are equipped with respectively and connect outer 62, and the outer 62 of the left end of outer bellows 6 forms sealed the fixing through circumference welded mode with outer 4 right-hand members of pipe, the outer 62 of the right-hand member of outer bellows 6 and outlet pipe 5 right-hand member have welded mounting flange 7 simultaneously, so just in time form between outer bellows 6 and the outlet pipe 5 and lead to water clearance 61, and then form water cavity 41 between outer pipe 4 and the interior bellows 3, and lead to water clearance 61 and water cavity 41 direct intercommunication.
The bottom of the outer tube 4 is provided with a drain hole and a drain valve 9 for opening and closing the drain hole, and the drain valve can adopt a drain ball valve, so that accumulated water in the water cavity 41 can be directly drained through the drain valve 9.
The external connecting pipe 62 is provided with an ear plate 63, the outer pipe 4 is provided with a pull rod 8, the pull rod can movably penetrate through the ear plate 63 to form guiding, and a locking nut 81 is further arranged between the pull rod 8 and the ear plate 63 for temporarily locking the pull rod.
Meanwhile, the inner connecting pipe 32 is provided with an exhaust pipe 10, the inner end of the exhaust pipe is hermetically communicated with the air cavity 31, the outer end of the exhaust pipe 10 extends out of the outer pipe 4 to be communicated with the outside, and the exhaust pipe 10 and the outer pipe 4 are hermetically fixed in a welding manner, that is, the air cavity 41 is directly communicated with the outside.
In addition, the water inlet pipe 2, the water cavity 41, the water gap 61 and the water outlet pipe 5 are communicated, as shown in fig. 4 and 5: the water inlet pipe 2 is provided with a water inlet hole 21 which is respectively communicated with the water inlet pipe and the water cavity 41, the water outlet pipe 5 is provided with a water outlet hole 51 which is respectively communicated with the water outlet pipe 5 and the water cavity 41, and small holes 52 which are respectively communicated with the water outlet pipe 5 and the water through gap 61, the water inlet hole 21 and the water outlet holes 51 are U-shaped holes, the sizes of the U-shaped holes are mainly calculated according to pipe diameters and flow requirements, and the small holes 52 are provided with a plurality of holes and are circumferentially and uniformly distributed on the water outlet pipe 5.
Thus, as shown in fig. 2, after entering the inlet pipe 2, the fluid enters the water chamber 41 through the inlet hole 21, and the water chamber is communicated with the water passage gap 61, so that one path of the water chamber enters the outlet pipe 5 through the water outlet hole 51 and flows out, and the other path of the water chamber enters the outlet pipe 5 through the water passage gap 61 and the plurality of small holes 52 in sequence and flows out.
At this time, if the fluid generates a forward or reverse thrust in the pipeline system due to a temperature difference or a pressure difference in the operation process, that is, the thrust in the pipeline system causes the outer bellows 6 to be pulled, the inner bellows 3 will be pressed under the action of the water inlet pipe 2, the outer pipe 4, the end socket 33 at the left end of the inner bellows 3 and the inner pipe 32, whereas when the outer bellows 6 is pressed, the inner bellows 3 is pulled, that is, the stress of the outer bellows 6 will be directly transmitted to the inner bellows 3, and the inner bellows 3 is deformed to offset the stress on the outer bellows 6 by exhausting to the outside through the air cavity 31, so as to form a stress compensation balance between the inner and outer bellows.
Therefore, in a specific engineering construction environment, when the fixed support cannot be installed as required, thrust generated in the pipeline system can be buffered or unloaded through the pipeline compensator, so that the pipeline system is protected.
The above description is only a specific embodiment of the present invention, and it should be understood by those skilled in the art that any equivalent structural design to this embodiment is included in the protection scope of the present invention.
Claims (7)
1. A loose flange self-balancing pipeline compensator comprises a pipeline, a loose flange (1) and a fixed flange (7), and is characterized in that the pipeline comprises an inner corrugated pipe (3) with two closed ends and an air cavity (31) formed, and an outer pipe (4) sleeved outside the inner corrugated pipe (3) and forming a water cavity (41) with the inner corrugated pipe; the left end of the inner corrugated pipe (3) is provided with a fixedly installed water inlet pipe (2), the left end of the water inlet pipe penetrates through the left end of the outer pipe (4) and is provided with a loose flange (1), and the left end of the outer pipe (4) is hermetically fixed with the water inlet pipe (2); the right end of the inner corrugated pipe (3) is provided with a fixedly installed water outlet pipe (5), the outer corrugated pipe (6) sleeved outside the water outlet pipe is provided with a water passing gap (61) between the outer corrugated pipe and the water outlet pipe (5), the left end of the outer corrugated pipe (6) is fixed with the right end of the outer pipe (4) in a sealing manner, and the right end of the outer corrugated pipe (6) and the right end of the water outlet pipe (5) are simultaneously provided with a fixing flange (7); the air cavity (31) is communicated with the outside; the water inlet pipe (2), the water cavity (41), the water gap (61) and the water outlet pipe (5) are communicated; the outer corrugated pipe (6) is stressed and is transmitted to the inner corrugated pipe (3) through the outer pipe (4) and the water inlet pipe (2), the air cavity (31) exhausts to the outside, so that the inner corrugated pipe (3) deforms to offset the stress on the outer corrugated pipe (6), and stress compensation balance between the inner corrugated pipe and the outer corrugated pipe is formed.
2. The loose flange self-balancing pipeline compensator according to claim 1, wherein an inner connecting pipe (32) and a sealing head (33) for sealing the end of the inner connecting pipe are respectively arranged at two ends of the inner corrugated pipe (3), and the right end of the water inlet pipe (2) and the left end of the water outlet pipe (5) are respectively fixed on the sealing head (33) at two ends of the inner corrugated pipe (3).
3. The loose flange self-balancing pipeline compensator according to claim 2, wherein the inner connecting pipe (32) is provided with an exhaust pipe (10), the inner end of the exhaust pipe is hermetically communicated with the air cavity (31), the outer end of the exhaust pipe (10) extends out of the outer pipe (4) to be communicated with the outside, and the exhaust pipe and the outer pipe (4) are hermetically fixed.
4. The loose flange self-balancing pipeline compensator according to claim 1, wherein the water inlet pipe (2) is provided with a water inlet hole (21) respectively communicating the water inlet pipe with the water cavity (41), the water outlet pipe (5) is provided with a water outlet hole (51) respectively communicating the water outlet pipe with the water cavity (41), and a small hole (52) respectively communicating the water outlet pipe (5) with the water gap (61).
5. The loose flange self-balancing pipeline compensator according to claim 1, wherein external pipes (62) are respectively arranged at two ends of the external bellows (6), the external pipe (62) at the left end of the external bellows (6) is fixed with the right end of the external pipe (4) in a sealing manner, and the external pipe (62) at the right end of the external bellows (6) is provided with a fixing flange (7).
6. The loose flange self-balancing pipeline compensator according to claim 5, wherein the outer connecting pipe (62) is provided with an ear plate (63), the outer pipe (4) is provided with a pull rod (8), and the pull rod movably penetrates through the ear plate (63) to form a guide.
7. The loose flange self-balancing pipeline compensator according to claim 1, wherein the outer pipe (4) is provided with a drain hole and a drain valve (9) for opening and closing the drain hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220054114.4U CN216952196U (en) | 2022-01-11 | 2022-01-11 | Loose flange self-balancing pipeline compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220054114.4U CN216952196U (en) | 2022-01-11 | 2022-01-11 | Loose flange self-balancing pipeline compensator |
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| Publication Number | Publication Date |
|---|---|
| CN216952196U true CN216952196U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220054114.4U Active CN216952196U (en) | 2022-01-11 | 2022-01-11 | Loose flange self-balancing pipeline compensator |
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| CN (1) | CN216952196U (en) |
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- 2022-01-11 CN CN202220054114.4U patent/CN216952196U/en active Active
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