CN213451943U

CN213451943U - Special high-nickel corrosion-resistant valve for deep sea pipeline

Info

Publication number: CN213451943U
Application number: CN202022477814.8U
Authority: CN
Inventors: 宁林祥; 宁吉泉
Original assignee: Zhejiang Ouye Da Machinery Manufacture Co ltd
Current assignee: Zhejiang Ouye Da Machinery Manufacture Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-15
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a special high-nickel corrosion-resistant valve for deep sea pipelines, which comprises a valve main body (1), wherein connecting pipelines (11) are respectively arranged at two sides of the valve main body (1), a first flange piece (12) is arranged at the end part of each connecting pipeline (11), a circulating pipe (2) is arranged inside each connecting pipeline (11), a sealing ring (21) is arranged between each circulating pipe (2) and each connecting pipeline (11), a second flange piece (22) which is matched and connected with the first flange piece (12) is arranged at the outer edge of each circulating pipe (2), a plurality of bulges (23) are uniformly arranged on the inner ring wall of each circulating pipe (2), and a filter screen (24) is arranged at the outer port of each circulating pipe (2); the outside of connecting tube (11) is connected with protective sheath (3) through buffer, is equipped with a plurality of annular strengthening ribs (31) on the outer wall of protective sheath (3). The utility model has the characteristics of improve corrosion resisting property, resistance to compression, shock resistance of valve, reduce blocking phenomenon.

Description

Special high-nickel corrosion-resistant valve for deep sea pipeline

Technical Field

The utility model relates to a pipeline valve, especially a special high nickel corrosion-resistant valve of deep sea pipeline.

Background

When the pipeline is laid on the seabed, the valve is inevitably used, and the high-nickel valve special for the deep sea pipeline is deep into the seabed and is required to bear the high pressure and the corrosion performance of seawater, so that the seawater can corrode the valve outside after being used for a long time, and can corrode the inside of the valve when flowing through the valve in the pipeline, thereby influencing the service life of the valve, impurities in the seawater such as weeds, gravels and the like can easily block the valve, the existing valve is still required to be strengthened in compression resistance and corrosion resistance, and the seawater is not well filtered, the valve is easy to block, frequent maintenance and management are required, and the maintenance cost is also higher. Therefore, the existing high-nickel valve special for the deep sea pipeline has the problems that the pressure resistance and the corrosion resistance are still to be enhanced and the valve is easy to block.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special high nickel corrosion-resistant valve of deep sea pipeline. The utility model has the characteristics of improve corrosion resisting property, resistance to compression, shock resistance of valve, reduce blocking phenomenon.

The technical scheme of the utility model: a high-nickel corrosion-resistant valve special for a deep sea pipeline comprises a valve main body, wherein connecting pipelines are arranged on two sides of the valve main body, a first flange piece is arranged at the end part of each connecting pipeline, a circulating pipe is arranged inside each connecting pipeline, a sealing ring is arranged between each circulating pipe and each connecting pipeline, a second flange piece which is connected with the first flange piece in a matched mode is arranged on the outer edge of each circulating pipe, a plurality of bulges are uniformly arranged on the inner annular wall of each circulating pipe, and a filter screen is arranged at the outer end opening of each circulating pipe; the outside of connecting tube is connected with the protective sheath through buffer, is equipped with a plurality of annular strengthening ribs on the outer wall of protective sheath.

In the high-nickel corrosion-resistant valve special for the deep sea pipeline, the inner ring surface of the connecting pipeline is provided with the annular clamping groove and the guide groove communicated with the clamping groove, and the outer edge of the circulating pipe is provided with the clamping block corresponding to the guide groove and the clamping groove.

In the special high-nickel corrosion-resistant valve for the deep sea pipeline, the outer surface of the valve body is provided with the anti-freezing coating, the outer surface of the anti-freezing coating is provided with the waterproof layer, the surface of the waterproof layer is provided with the anti-oxidation layer, the inner side wall of the connecting pipeline is coated with the wear-resistant layer, and the inner side surface of the circulating pipe is coated with the anti-corrosion layer.

In the special high-nickel corrosion-resistant valve for the deep sea pipeline, the two ends of the flow pipe are respectively provided with the flow guide section which is outwards expanded, the sealing ring is provided with two channels, and the outer surface of the flow guide section is provided with the mounting groove embedded into the sealing ring.

Compared with the prior art, the utility model protects the valve from the inside and the outside through the runner pipe connected with the inner side surface of the pipeline and the protective sleeve arranged outside, improves the corrosion resistance, the compression resistance and the shock resistance of the valve, can conveniently replace the runner pipe and the protective sleeve if problems occur, is convenient to operate, and reduces the maintenance cost; the filter screen and the bulge are arranged in the circulating pipe, so that impurities in the seawater can be better filtered and blocked, and the damage and blockage of the impurities to the valve are reduced.

Therefore, the utility model has the characteristics of improve corrosion resisting property, resistance to compression, the shock resistance of valve, reduce blocking phenomenon.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the surface coating structure of the valve body.

The labels in the figures are: 1. a valve body; 11. connecting a pipeline; 12. a first flange piece; 13. a card slot; 14. a guide groove; 15. an anti-freezing coating; 16. a waterproof layer; 17. a wear layer; 2. a flow-through tube; 21. a seal ring; 22. a second flange piece; 23. a protrusion; 24. a filter screen; 25. a clamping block; 26. a flow guide section; 27. an anti-corrosion layer; 3. a protective sleeve; 31. and (5) reinforcing ribs.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples

As shown in fig. 1 and 2, a high-nickel corrosion-resistant valve special for a deep sea pipeline comprises a valve body 1, wherein connecting pipelines 11 are arranged on two sides of the valve body 1, a first flange piece 12 is arranged at the end part of each connecting pipeline 11, a circulating pipe 2 is arranged inside each connecting pipeline 11, a sealing ring 21 is arranged between each circulating pipe 2 and each connecting pipeline 11, a second flange piece 22 which is connected with the first flange piece 12 in a matched manner is arranged on the outer edge of each circulating pipe 2, a plurality of bulges 23 are uniformly arranged on the inner annular wall of each circulating pipe 2, and a filter screen 24 is arranged at the outer end opening of each circulating pipe 2; the outside of connecting tube 11 is connected with protective sheath 3 through the buffering portion, is equipped with a plurality of annular strengthening ribs 31 on the outer wall of protective sheath 3.

An annular clamping groove 13 and a guide groove 14 communicated with the clamping groove 13 are arranged on the inner annular surface of the connecting pipeline 11, and a clamping block 25 corresponding to the guide groove 14 and the clamping groove 13 is arranged on the outer edge of the circulating pipe 2. The clamping block 25 on the circulating pipe 2 enters the clamping groove 13 along the guide groove 14, and then the clamping block 25 is rotated to be separated from the guide groove 14, so that the fixing can be realized, and the installation is convenient.

The outer surface of the valve body 1 is provided with the anti-freezing coating 15, the outer surface of the anti-freezing coating 15 is provided with the waterproof layer 16, the anti-freezing and waterproof capabilities of the valve body 1 are improved, the inner side wall of the connecting pipeline 11 is coated with the wear-resistant layer 17, the situation that the runner pipe 2 rubs with the connecting pipeline 11 when being installed for multiple times and is abraded to the connecting pipeline 11 is avoided, the inner side surfaces of the valve body 1 and the runner pipe 2 are coated with the anti-corrosion layers 27, the corrosion resistance of the valve is further improved, and the service life is prolonged.

Both ends of the circulation pipe 2 are provided with outward-expanding flow guide sections 26, the sealing ring 21 is provided with two flow guide sections, and the outer surface of the flow guide section 26 is provided with an installation groove embedded into the sealing ring 21.

The working principle is as follows: the utility model discloses be equipped with runner pipe 2 in connecting tube 11's inside, from the inside protection valve, the sea water passes in and out through runner pipe 2 to improve sealing performance and the impact resistance of anti sea water through sealing washer 21, improve valve stability, runner pipe 2 installs through the cooperation of fixture block 25 with draw-in groove 13, guide way 14, and is fixed with first flange piece 12 through second flange piece 22, and it is convenient to install and dismantle, and the location is accurate, stable in structure; the bulge 23 in the circulating pipe 2 is matched with the filter screen 24 to better block large and small impurities in seawater and prevent the impurities from entering the valve main body 1 to cause blockage; the guide section 26 of the circulation pipe 2 is provided to make it easier for the seawater to enter the valve body 1 through the circulation pipe 2 and to prevent the seawater from entering between the circulation pipe 2 and the connection pipe 11. Be connected with protective sheath 3 through buffer in connecting tube 11's outside, from outside protection valve, improve the anti striking ability of valve to improve protective sheath 3's intensity through strengthening rib 31, prolong protective sheath 3's life.

The part of the utility model not detailed is prior art.

Claims

1. The utility model provides a special high nickel corrosion-resistant valve of deep sea pipeline which characterized in that: the valve comprises a valve main body (1), connecting pipelines (11) are arranged on two sides of the valve main body (1), a first flange piece (12) is arranged at the end part of each connecting pipeline (11), a circulating pipe (2) is arranged inside each connecting pipeline (11), a sealing ring (21) is arranged between each circulating pipe (2) and each connecting pipeline (11), a second flange piece (22) which is matched and connected with the first flange piece (12) is arranged on the outer edge of each circulating pipe (2), a plurality of bulges (23) are uniformly arranged on the inner annular wall of each circulating pipe (2), and a filter screen (24) is arranged at the outer port of each circulating pipe (2); the outside of connecting tube (11) is connected with protective sheath (3) through buffer, is equipped with a plurality of annular strengthening ribs (31) on the outer wall of protective sheath (3).

2. The high-nickel corrosion-resistant valve special for the deep sea pipeline according to claim 1, characterized in that: the inner ring surface of the connecting pipeline (11) is provided with an annular clamping groove (13) and a guide groove (14) communicated with the clamping groove (13), and the outer edge of the circulating pipe (2) is provided with a clamping block (25) corresponding to the guide groove (14) and the clamping groove (13).

3. The high-nickel corrosion-resistant valve special for the deep sea pipeline according to claim 1, characterized in that: the valve is characterized in that an anti-freezing coating (15) is arranged on the outer surface of the valve main body (1), a waterproof layer (16) is arranged on the outer surface of the anti-freezing coating (15), an anti-oxidation layer is arranged on the surface of the waterproof layer (16), a wear-resistant layer (17) is coated on the inner side wall of the connecting pipeline (11), and an anti-corrosion layer (27) is coated on the inner side surface of the circulating pipe (2).

4. The high-nickel corrosion-resistant valve special for the deep sea pipeline according to claim 1, characterized in that: both ends of the circulation pipe (2) are provided with flow guide sections (26) which are outwards expanded, the sealing ring (21) is provided with two channels, and the outer surface of each flow guide section (26) is provided with an installation groove embedded into the sealing ring (21).