CN218972122U - Compensator suitable for sea water - Google Patents
Compensator suitable for sea water Download PDFInfo
- Publication number
- CN218972122U CN218972122U CN202223174656.4U CN202223174656U CN218972122U CN 218972122 U CN218972122 U CN 218972122U CN 202223174656 U CN202223174656 U CN 202223174656U CN 218972122 U CN218972122 U CN 218972122U
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- seawater
- corrugated pipe
- compensator
- flanging
- looper
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- 239000013535 sea water Substances 0.000 title claims abstract description 58
- 238000003466 welding Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000010963 304 stainless steel Substances 0.000 claims description 3
- 229910000619 316 stainless steel Inorganic materials 0.000 claims description 3
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 3
- 229910001039 duplex stainless steel Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
A compensator for seawater, characterized in that: the compensator comprises a looper flange (1), a corrugated pipe (2), a guide sleeve (3), a flanging pipe (4), a screw rod (5) and a nut; the two looper flanges (1) are respectively positioned at two ends of the corrugated pipe (2) to support the corrugated pipe (2), and the extension length of the corrugated pipe is adjusted through the screw rod (5) and the nut; the looper flange (1) is fixedly connected with the end side of the corrugated pipe (2) through a flanging pipe (4) so as to prevent the inner edge of the looper flange from being corroded by seawater; the inside of the corrugated pipe is also provided with a guide sleeve so as to realize unidirectional flow of seawater. The utility model realizes the smooth flow of the seawater in the conversion interface, overcomes the effect of local corrosion, ensures the service life of the compensator and improves the safety.
Description
Technical Field
The present utility model relates to a compensator for seawater, and more particularly, to a compensator for seawater.
Background
Seawater compensators, commonly used in hydraulic systems of underwater equipment, guide and pressure compensate the seawater flow.
The seawater compensator usually adopts a corrugated pipe made of stainless steel to realize the diversion of seawater, however, as the stainless steel is easy to locally corrode in corrosive media, the service life of the seawater compensator is seriously shortened, and the manufacturing cost is greatly increased. The prior art has studied the main corrosion patterns of seawater compensators and found that the main modes of corrosion include pitting, stress corrosion, intergranular corrosion and corrosion fatigue cracking.
Specifically, there is a gap of 4-5 mm between the bellows and the main pipe at the outlet end ring of the bellows, and when there is water accumulation in the small chamber where the bellows expansion joint is installed, the sewage, soil and industrial wastewater containing chloride ions can flow into the bellows through the gap, thereby causing direct and long-term contact between the inner surface of the bellows and the corrosive media. Due to industrial emission, deicing in winter and the like, the content of chlorides and sulfides in water on the ground is higher and higher, which provides proper conditions for local corrosion of the stainless steel corrugated pipe and causes the corrugated pipe to be easily corroded seriously at the positions.
In view of the above, a new seawater compensator is needed.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a compensator suitable for seawater.
The utility model adopts the following technical scheme.
The utility model relates to a compensator suitable for seawater, which comprises a looper flange 1, a corrugated pipe 2, a guide sleeve 3, a flanging pipe 4, a screw 5 and a nut; wherein, two looper flanges 1 are respectively positioned at two ends of the corrugated pipe 2 to support the corrugated pipe 2, and the extension length of the corrugated pipe is adjusted through a screw 5 and a nut; the looper flange 1 is fixedly connected with the end side of the corrugated pipe 2 through a flanging pipe 4 so as to prevent the inner edge of the looper flange from being corroded by seawater; the inside of the corrugated pipe is also provided with a guide sleeve so as to realize unidirectional flow of seawater.
Preferably, the looper flange 1 is a sheet-shaped supporting structure, and the side surface of the looper flange is a hollow square; the hollow part is used for sleeving the corrugated pipe 2, and through holes are arranged at four corners and are used for accommodating the screw 5.
Preferably, a plurality of nuts are rotatably mounted on the screw 5; wherein the nut comprises a thin nut 7 and a thick nut 6; the thin nut 7 is arranged on the inner side and the outer side of the looper flange, and the thick nut 6 is only arranged on one side of the looper flange far away from the corrugated pipe 2; and adjusting the position of the nut on the screw rod to realize the adjustment of the length of the corrugated pipe.
Preferably, the flanging tube 4 comprises a tubular unit and an annular unit; the tubular unit and the annular unit are integrally formed in a mutually perpendicular structure; the tubular unit is connected with the outer ring of the annular unit.
Preferably, the flanging tube 4 is welded and fixed on the hollow inner edge of the looper flange 1; and, the tubular unit of the flanging tube 4 is completely matched and covered on the hollow inner edge of the looper flange 1, and the annular unit of the flanging tube 4 is attached to the outer side surface of the looper flange to prevent the movement of the tubular unit.
Preferably, one end of the bellows 2 is welded to the tubular unit of the flanging tube 4 and to the side remote from the annular unit.
Preferably, the bellows is a two-layer or three-layer bellows nested structure.
Preferably, the guide sleeve 3 is a tubular element with a bell mouth at one end; and the horn mouth is welded on the flanging tube 4 at one side of the water inlet, and the horn mouth passes over the welding position of the corrugated tube 2 and the flanging tube 4 and is welded at the outer side of the flanging tube 4.
Preferably, the corrugated pipe 2, the guide sleeve 3 and the flanging pipe 4 are made of super duplex stainless steel; the looper flange 1, the screw 5 and the nut are made of 304 stainless steel or 316 stainless steel.
Compared with the prior art, the compensator suitable for the seawater has the advantages that by adding the welding structures such as the guide pipe, the flanging pipe and the like, the smooth flow of the seawater on the conversion interface is ensured, the effect of local corrosion is overcome, the service life of the compensator is ensured, and the safety is improved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a compensator for seawater according to the present utility model;
FIG. 2 is a front view of a looper flange in a compensator for seawater according to the present utility model;
fig. 3 is a schematic view of a longitudinal surface and a longitudinal section of a compensator for seawater according to the present utility model.
Reference numerals:
1-a looper flange;
2-bellows;
3-a guide sleeve;
4-flanging the tube;
5-screw;
6-thick nuts;
7-thin nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The described embodiments of the utility model are only some, but not all, embodiments of the utility model. All other embodiments of the utility model not described herein, which are obtained from the embodiments described herein, should be within the scope of the utility model by those of ordinary skill in the art without undue effort based on the spirit of the present utility model.
Fig. 1 is a schematic diagram of the overall structure of a compensator for seawater according to the present utility model. As shown in fig. 1, the utility model relates to a compensator suitable for seawater, which comprises a looper flange 1, a corrugated pipe 2, a guide sleeve 3, a flanging pipe 4, a screw 5 and a nut; the two looper flanges 1 are respectively positioned at two ends of the corrugated pipe 2 to support the corrugated pipe 2, and the extension length of the corrugated pipe is adjusted through the screw 5 and the nut; the looper flange 1 is fixedly connected with the end side of the corrugated pipe 2 through a flanging pipe 4 so as to prevent the inner edge of the looper flange from being corroded by seawater; the inside of the corrugated pipe is also provided with a guide sleeve so as to realize unidirectional flow of seawater.
It will be appreciated that the looper flange 1 of the present utility model is used as a main body support member, and is applicable to piping systems of different lengths by adjusting the distance between the two looper flanges, unlike the prior art which uses welded flanges. Therefore, the compensator structure can be applied to any position of a hydraulic system by adopting the design of the utility model, and the compensator can be matched and adjusted in a certain range to adjust the length of the corrugated pipe no matter what the situation is on site, so that the compensator has wider application range.
In addition, the guide sleeve structure can ensure that the seawater flows in one direction in the corrugated pipe, and no residue exists in the corrugated pipe, for example, after the seawater flows, long-term deposited chlorides, sulfides and the like corrode the corrugated pipe.
Fig. 2 is a front view of a looper flange in a compensator for seawater according to the present utility model. As shown in fig. 2, the looper flange 1 is preferably a sheet-like support structure, and the side surface thereof is a hollow square; the hollow part is used for sleeving the corrugated pipe 2, and through holes are arranged at four corners and are used for accommodating the screw 5.
It will be appreciated that the looper flange of the present utility model allows the shape of the bellows to be fixed and the support of the bellows to be achieved by means of a square end face on the outside of the sheet structure. The hollow part of the compensator can be used for accommodating the corrugated pipe, and the through hole can be used for adjusting the integral structure of the compensator through the fixation of the screw and the nut.
Preferably, a plurality of nuts are rotatably mounted on the screw 5; wherein the nut comprises a thin nut 7 and a thick nut 6; the thin nut 7 is arranged on the inner side and the outer side of the looper flange, and the thick nut 6 is only arranged on one side of the looper flange far away from the corrugated pipe 2; the position of the adjusting nut on the screw rod can be adjusted to realize the adjustment of the length of the corrugated pipe.
It will be appreciated that in order to ensure that the overall structure of the compensator does not change in a seawater environment or in various complex environments, the utility model uses a screw to fix the relative positions of the bellows and the looper flange by screwing a plurality of nuts, even a plurality of nuts, on one screw.
Preferably, the flanging tube 4 comprises a tubular unit and an annular unit; the tubular unit and the annular unit are integrally formed in a mutually perpendicular structure; the tubular unit is connected with the outer ring of the annular unit.
It can be understood that compared with the prior compensator structure, the utility model adds a flanging pipe 4 structure, and the flanging pipe 4 is welded at the two ends of the inner side of the looper flange 1 to protect the outer side surface of the flange and prevent corrosion caused by seawater leakage, so that the compensator is suitable for seawater environment.
Preferably, the flanging tube 4 is welded and fixed on the hollow inner edge of the looper flange 1; and, the tubular unit of the flanging tube 4 is completely matched and covered on the hollow inner edge of the looper flange 1, and the annular unit of the flanging tube 4 is attached to the outer side surface of the looper flange to prevent the movement of the tubular unit.
Fig. 3 is a schematic view of a longitudinal surface and a longitudinal section of a compensator for seawater according to the present utility model. As shown in fig. 3, the upper half of fig. 3 is a schematic view of the longitudinal outer surface of the compensator, and the lower half is a schematic view of the inner structure of the compensator after being longitudinally cut. Therefore, the connection, welding and fixing modes of all elements in the compensator can be clearly obtained from the partial parts I and II in the drawing.
It can be seen that the tubular and annular units of the flanged pipe are arranged in a mutually perpendicular configuration, and thus appear as right-angle configurations in I and II, respectively. The flanging pipe can be buckled on the hollow part of the looper flange, so that the hollow part of the looper flange is prevented from being directly exposed to the external seawater environment or other environments, and the looper flange is prevented from being corroded.
Preferably, one end of the bellows 2 is welded to the tubular unit of the flanging tube 4 and to the side remote from the annular unit.
It will be appreciated that one end of the bellows 2 is welded to the tubular element of the flanging tube 4 in such a way that the bellows can be welded firmly to the flange after the actual adjustment of the length of the nut and screw. The welding position is far away from the annular unit, so that sufficient space and position are reserved for the guide pipe, no dead angle is reserved in the seawater guiding process, and the seawater normally and smoothly flows.
Preferably, the bellows is a two-layer or three-layer bellows nested structure. To ensure the application in seawater, two-layer or three-layer corrugated pipes are suggested to ensure the use strength of the corrugated pipes.
Preferably, the guide sleeve 3 is a tubular element with a bell mouth at one end; and the horn mouth is welded on the flanging tube 4 at one side of the water inlet, and the horn mouth passes over the welding position of the corrugated tube 2 and the flanging tube 4 and is welded at the outer side of the flanging tube 4.
It is to be understood that the guide sleeve 3 has one end welded inside the flanging tube 4 and the other end not welded, the welded end is the water inlet side of the looper flange 1, and the non-welded end is the water outlet side. The guide sleeve 3 is welded after the corrugated pipe and the flanging pipe are welded, so that the reliable and effective structure is ensured, and leakage does not occur. By the welding mode, the utility model can fully realize the smooth diversion effect on the seawater, simultaneously prevent dead angles from being generated in the flowing process of the seawater, cause precipitation of impurities and ensure the flowing speed of the seawater. Meanwhile, the guide pipe is welded on one side only, so that the service life of the compensator is fully ensured, and the compensator is prevented from being damaged due to the influence of seawater flow stress for a long time.
Preferably, the corrugated pipe 2, the guide sleeve 3 and the flanging pipe 4 are made of super duplex stainless steel; the looper flange 1, the screw 5 and the nut are made of 304 stainless steel or 316 stainless steel.
It can be understood that bellows 2, uide bushing 3, turn-ups pipe 4, the material all adopts super diphase steel, standard mark: s25073, the material can prevent corrosion of the contact surface of the part and the seawater, and prolong the service life of the compensator, so that the compensator is suitable for the seawater environment. The looper flange 1, the screw 5, the thick nut 6 and the thin nut 7 are all made of 304 materials, and if the strength requirement is high, the looper flange can be made of 316 materials.
Compared with the prior art, the compensator suitable for the seawater has the advantages that by adding the welding structures such as the guide pipe, the flanging pipe and the like, the smooth flow of the seawater on the conversion interface is ensured, the effect of local corrosion is overcome, the service life of the compensator is ensured, and the safety is improved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the utility model without departing from the spirit and scope of the utility model, which is intended to be covered by the claims.
Claims (9)
1. A compensator for seawater, characterized in that:
the compensator comprises a looper flange (1), a corrugated pipe (2), a guide sleeve (3), a flanging pipe (4), a screw rod (5) and a nut; wherein,,
the two looper flanges (1) are respectively positioned at two ends of the corrugated pipe (2) to support the corrugated pipe (2), and the extension length of the corrugated pipe is adjusted through the screw rod (5) and the nut;
the looper flange (1) is fixedly connected with the end side of the corrugated pipe (2) through a flanging pipe (4) so as to prevent the inner edge of the looper flange from being corroded by seawater;
the inside of the corrugated pipe is also provided with a guide sleeve so as to realize unidirectional flow of seawater.
2. A compensator for seawater as claimed in claim 1, wherein:
the looper flange (1) is of a sheet-shaped supporting structure, and the side surface of the looper flange is hollow square;
the hollow part is used for sleeving the corrugated pipe (2), and through holes are arranged at four corners and used for accommodating the screw rods (5).
3. A compensator for seawater according to claim 2, wherein:
a plurality of nuts are rotatably arranged on the screw (5);
wherein the nut comprises a thin nut (7) and a thick nut (6);
the thin nut (7) is arranged on the inner side and the outer side of the looper flange, and the thick nut (6) is arranged on one side of the looper flange far away from the corrugated pipe (2);
and adjusting the position of the nut on the screw rod to realize the adjustment of the length of the corrugated pipe.
4. A compensator for seawater according to claim 3, wherein:
the flanging tube (4) comprises a tubular unit and an annular unit;
the tubular unit and the annular unit are integrally formed in a mutually perpendicular structure;
the tubular unit is connected with the outer ring of the annular unit.
5. A compensator for seawater as claimed in claim 4, wherein:
the flanging pipe (4) is welded and fixed on the hollow inner edge of the looper flange (1);
and the tubular unit of the flanging tube (4) is completely matched with and covered on the hollow inner edge of the looper flange (1),
the annular unit of the flanging tube (4) is attached to the outer side surface of the looper flange so as to prevent the tubular unit from moving.
6. A compensator for seawater as claimed in claim 5, wherein:
one end of the corrugated pipe (2) is welded on the tubular unit of the flanging pipe (4) and is welded on one side far away from the annular unit.
7. A compensator for seawater as claimed in claim 6, wherein:
the corrugated pipe is of a two-layer or three-layer corrugated pipe nested structure.
8. A compensator for seawater as claimed in claim 7, wherein:
the guide sleeve (3) is a tubular element with a horn mouth at one end;
and the horn mouth is welded on a flanging tube (4) at one side of the water inlet, and the horn mouth passes over the welding position of the corrugated tube (2) and the flanging tube (4) and is welded at the outer side of the flanging tube (4).
9. A compensator for seawater as claimed in claim 1, wherein:
the corrugated pipe (2), the guide sleeve (3) and the flanging pipe (4) are made of super duplex stainless steel;
the looper flange (1), the screw (5) and the nut are made of 304 stainless steel or 316 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174656.4U CN218972122U (en) | 2022-11-29 | 2022-11-29 | Compensator suitable for sea water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174656.4U CN218972122U (en) | 2022-11-29 | 2022-11-29 | Compensator suitable for sea water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218972122U true CN218972122U (en) | 2023-05-05 |
Family
ID=86162673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223174656.4U Active CN218972122U (en) | 2022-11-29 | 2022-11-29 | Compensator suitable for sea water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218972122U (en) |
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2022
- 2022-11-29 CN CN202223174656.4U patent/CN218972122U/en active Active
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