CN214405050U - Pipeline sacrificial flange, seawater system and ship - Google Patents

Pipeline sacrificial flange, seawater system and ship Download PDF

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Publication number
CN214405050U
CN214405050U CN202120230251.4U CN202120230251U CN214405050U CN 214405050 U CN214405050 U CN 214405050U CN 202120230251 U CN202120230251 U CN 202120230251U CN 214405050 U CN214405050 U CN 214405050U
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flange
pipeline
flange body
sacrificial
wall surface
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CN202120230251.4U
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高建波
何硕
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Guangzhou Shipyard International Co Ltd
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Guangzhou Shipyard International Co Ltd
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Abstract

The utility model discloses a pipeline sacrificial flange, sea water system and boats and ships relates to shipbuilding technical field. The pipeline sacrificial flange comprises a flange body, wherein the flange body is hollow cylindrical, a first connecting flange and a second connecting flange are arranged on a pipeline, a fastener penetrates through the first connecting flange to be fixed with the second connecting flange, and the flange body is abutted to be tightly arranged between the first connecting flange and the second connecting flange. The utility model discloses an adopt the flange body to replace the sacrifice nozzle stub, reduce occupation space, save material. The flange body is further abutted tightly to be arranged between the first connecting flange and the second connecting flange, the flange body is disassembled and assembled through the disassembling and assembling fastener, namely the pipeline can be disassembled and assembled fixedly by utilizing the existing structure of the pipeline, additional parts are not needed, and the installation is simple and convenient.

Description

Pipeline sacrificial flange, seawater system and ship
Technical Field
The utility model relates to a shipbuilding technical field especially relates to a pipeline sacrificial flange, sea water system and boats and ships.
Background
At present, in the process of running ships such as a passenger roller ship, a bulk cargo ship, a tanker and the like, most of heat generated by equipment is finally taken away by seawater through heat exchange, and a seawater system is taken as a main body of the heat exchange of the ships and runs all the time, but the seawater is high in corrosivity, so that a seawater pipeline and the equipment connected with the pipeline are both a serious disaster area of corrosion, and therefore the seawater system is protected by a sacrificial anode commonly used.
At present, in the aspect of sacrificial anode protection of a seawater system, a sacrificial short pipe is commonly used, namely a small section of pipe without any surface treatment is arranged at the position where a pipeline is connected with a pipeline or the position where the pipeline is connected with equipment, and the pipe is used as an anode to protect the pipeline and the equipment.
Accordingly, there is a need for a pipeline sacrificial flange, a seawater system and a ship to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flange, sea water system and boats and ships are sacrificed to pipeline can protect pipeline and equipment, reduces occupation space, save material, and the installation is simple, convenient.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a pipeline sacrificial flange, includes the flange body, the flange body is hollow circular cylinder, is equipped with first flange and second flange on the pipeline, and the fastener is worn to establish first flange with the second flange is fixed, the flange body support tightly set up in first flange with between the second flange.
Optionally, the flange body is coaxially disposed with the first connecting flange and the second connecting flange, and a radius of an outer wall surface of the flange body is smaller than or equal to a distance from the fastener to an axis of the first connecting flange or the second connecting flange.
Optionally, the outer wall surface of the flange body is provided with a first detection hole along the radial direction, and the piston can be inserted into the first detection hole.
Optionally, the outer wall surface of the flange body is further provided with a second detection hole along the radial direction, the depth of the first detection hole is set as S1, the depth of the second detection hole is set as S2, and S1 is greater than S2.
Optionally, the distance from the bottom of the first detection hole to the inner wall surface of the flange body is 10mm-13mm, and the distance from the bottom of the second detection hole to the inner wall surface of the flange body is 17mm-20 mm.
Optionally, the first detection hole and the second detection hole are both disposed at an upper portion of the flange body.
Optionally, the included angle α between the axis of the first detection hole and the axis of the second detection hole is less than or equal to 45 °.
Optionally, the first detection hole and the second detection hole are both arranged corresponding to a gap between two adjacent fasteners.
The utility model also provides a seawater system, the on-line screen storage device comprises a pipeline, be equipped with first flange and second flange on the pipeline, seawater system still includes as above pipeline sacrificial flange, the flange body support tightly set up in first flange with between the second flange.
The utility model also provides a boats and ships, include as above the sea water system.
The utility model has the advantages that:
the utility model provides a pipeline sacrificial flange, sea water system and boats and ships protect pipeline and equipment through adopting the flange body to replace the sacrificial nozzle stub, reduce occupation space, save material. The flange body is further abutted tightly to be arranged between the first connecting flange and the second connecting flange, the flange body is disassembled and assembled through the disassembling and assembling fastener, namely the pipeline can be disassembled and assembled fixedly by utilizing the existing structure of the pipeline, additional parts are not needed, and the installation is simple and convenient.
Drawings
Fig. 1 is a schematic view of an overall structure of a pipeline sacrificial flange according to an embodiment of the present invention;
fig. 2 is a schematic view of an overall structure of a pipeline sacrificial flange according to an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a structure at a in fig. 1.
In the figure:
1. a flange body; 11. a first detection hole; 12. a second detection hole; 13. an outer wall surface; 14. an inner wall surface.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment of the utility model provides a pipeline sacrifice flange, as shown in fig. 1-fig. 3, this pipeline sacrifice flange includes flange body 1, and flange body 1 is hollow circular cylinder, is equipped with first flange and second flange on the pipeline, and the fastener is worn to establish first flange and is fixed with the second flange, and flange body 1 supports tightly to set up between first flange and second flange.
The utility model discloses an adopt flange body 1 to replace the sacrifice nozzle stub to protect pipeline and equipment, reduce occupation space, save material. Further support tightly flange body 1 and set up between first flange and second flange, realize the dismouting to flange body 1 through the dismouting fastener, it is fixed to utilize the dismouting that the pipeline had the structure can realize sacrificing the flange promptly, need not extra spare part, and the installation is simple, convenient.
Alternatively, the diameter of the outer wall surface 13 of the flange body 1 and the diameter of the inner wall surface 14 of the flange body 1 may be selected according to the pipe diameter. For example, when the pipe diameter is 100mm, the diameter of the outer wall surface 13 of the flange body 1 may be 160mm, and the diameter of the inner wall surface 14 of the flange body 1 may be 100mm, that is, the thickness of the flange body 1 is 30 mm. When the pipe diameter is 150mm, the diameter of the outer wall surface 13 of the flange body 1 may be set to 215mm, and the diameter of the inner wall surface 14 of the flange body 1 may be set to 150mm, that is, the thickness of the flange body 1 is 32.5 mm. The diameter of the outer wall surface 13 of the flange body 1 and the diameter of the inner wall surface 14 of the flange body 1 can be correspondingly increased along with the increase of the diameter of the pipeline, in other embodiments, the diameter of the outer wall surface 13 of the flange body 1 and the diameter of the inner wall surface 14 of the flange body 1 can be set according to the diameter of the pipeline, and the present embodiment is not limited thereto.
Optionally, the flange body 1 is disposed coaxially with the first connecting flange and the second connecting flange, and the radius of the outer wall surface 13 of the flange body 1 is smaller than or equal to the distance from the fastener to the axis of the first connecting flange or the second connecting flange. According to the setting, need not to process the hole of stepping down that supplies the fastener to pass through on flange body 1, can realize pressing from both sides flange body 1 tightly between first flange and second flange through the pretension of fastener to first flange and second flange, it is very convenient.
Further, the outer wall surface 13 of the flange body 1 is provided with a first detection hole 11 along the radial direction, and the piston can be inserted into the first detection hole 11. Can judge the sea water to the corruption condition of flange body 1 better through the detection to first inspection hole 11, can judge the corruption condition of sea water to flange body 1 when detecting first inspection hole 11 and have the sea water seepage, peg graft the piston in order to avoid the sea water to leak in first inspection hole 11, sacrifice the flange for operating personnel prepares to change the pipeline and gains the time.
Optionally, the outer wall surface 13 of the flange body 1 is further provided with a second detection hole 12 along the radial direction, the depth of the first detection hole 11 is S1, the depth of the second detection hole 12 is S2, and S1 is greater than S2. The distance from the bottom of the first detection hole 11 to the inner wall surface 14 of the flange body 1 is smaller than the distance from the bottom of the second detection hole 12 to the inner wall surface 14 of the flange body 1, namely the thickness of the flange body 1 where the first detection hole 11 is located is smaller than the thickness of the flange body 1 where the second detection hole 12 is located, when the first detection hole 11 is detected to have seawater leakage, a piston can be inserted into the first detection hole 11 to avoid seawater leakage, the pipeline sacrificial flange replacement time is prepared for operators, when the second detection hole 12 is further detected to have seawater leakage, a new pipeline sacrificial flange is immediately replaced, the first detection hole 11 has a warning effect, for the replacement time, the second detection hole 12 prolongs the service life of the flange body 1 and provides a reference for replacement. The first detection hole 11 and the second detection hole 12 have a small diameter, generally within 1mm, so as to reduce the flow velocity when seawater leaks.
Alternatively, the distance from the bottom of the first detection hole 11 to the inner wall surface 14 of the flange body 1 is 10mm to 13mm, and the distance from the bottom of the second detection hole 12 to the inner wall surface 14 of the flange body 1 is 17mm to 20 mm. In this embodiment, the distance from the bottom of the first detection hole 11 to the inner wall surface 14 of the flange body 1 is 13mm, the distance from the bottom of the second detection hole 12 to the inner wall surface 14 of the flange body 1 is 20mm, and in other embodiments, the distance from the bottom of the first detection hole 11 to the inner wall surface 14 of the flange body 1 and the distance from the bottom of the second detection hole 12 to the inner wall surface 14 of the flange body 1 may be specifically set according to the pipeline diameter and the thickness of the flange body 1, which is not limited in this embodiment.
The first detection hole 11 and the second detection hole 12 are both arranged on the upper portion of the flange body 1 so as to facilitate observation and detection. Further, first inspection hole 11 and second inspection hole 12 all correspond the setting with the clearance between two adjacent fasteners, have avoided the fastener to blockking first inspection hole 11 and second inspection hole 12, are convenient for detect. In the embodiment, the included angle α between the axis of the first detecting hole 11 and the axis of the second detecting hole 12 is not more than 45 °, so that the first detecting hole 11 and the second detecting hole 12 are arranged in a centralized manner, and the simultaneous observation and detection are facilitated.
The embodiment of the utility model provides a sea water system is still provided, including the pipeline, be equipped with first flange and second flange on the pipeline, above-mentioned sea water system still includes as above pipeline sacrificial flange, flange body 1 supports tightly to set up between first flange and second flange.
Optionally, above-mentioned sea water system still includes the fastener, and the fastener is worn to establish first flange and is fixed in order to realize being connected fixedly with the second flange, can realize the dismouting to flange body 1 through the dismouting fastener, very convenient and fast. In this embodiment, the fastener is fastening bolt, all is equipped with the fixed orifices on first flange and the second flange, and fastening bolt wears to establish the fixed orifices screw thread on the first flange and is fixed in the fixed orifices on the second flange to pretightning force through fastening bolt is located flange body 1 clamp between first flange and the second flange, the dismouting of being convenient for.
The embodiment of the utility model provides a still provide a boats and ships, it includes as above the sea water system. In this embodiment, the ship is a ro-ro passenger ship.
To sum up, the embodiment of the utility model provides a pair of pipeline sacrificial flange, sea water system and boats and ships protects pipeline and equipment through adopting flange body 1 to replace the sacrificial nozzle stub, reduces occupation space, save material. Further support tightly flange body 1 and set up between first flange and second flange, realize the dismouting to flange body 1 through the dismouting fastener, it is fixed to utilize the dismouting that the pipeline had the structure can realize sacrificing the flange promptly, need not extra spare part, and the installation is simple, convenient.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a pipeline sacrificial flange, its characterized in that includes flange body (1), flange body (1) is hollow circular cylinder, is equipped with first flange and second flange on the pipeline, and the fastener is worn to establish first flange with the second flange is fixed, flange body (1) support tightly set up in first flange with between the second flange.
2. Pipeline sacrificial flange according to claim 1, characterized in that the flange body (1) is arranged coaxially with the first and second connection flanges, the radius of the outer wall surface (13) of the flange body (1) being smaller than or equal to the distance of the fastening element to the axis of the first or second connection flange.
3. The pipeline sacrificial flange as recited in claim 2, wherein the outer wall surface (13) of the flange body (1) is provided with a first detection hole (11) along the radial direction, and a piston can be inserted into the first detection hole (11).
4. The sacrificial flange for pipelines according to claim 3, wherein the outer wall surface (13) of the flange body (1) is further opened with a second detecting hole (12) along the radial direction, the depth of the first detecting hole (11) is S1, and the depth of the second detecting hole (12) is S2, S1 > S2.
5. The pipeline sacrificial flange according to claim 4, characterized in that the distance from the bottom of the first detection hole (11) to the inner wall surface (14) of the flange body (1) is 10mm-13mm, and the distance from the bottom of the second detection hole (12) to the inner wall surface (14) of the flange body (1) is 17mm-20 mm.
6. Pipeline sacrificial flange according to claim 4, characterized in that the first inspection hole (11) and the second inspection hole (12) are both provided in the upper part of the flange body (1).
7. Sacrificial flange for pipelines according to claim 6, characterized in that the angle α between the axis of the first inspection hole (11) and the axis of the second inspection hole (12) is ≦ 45 °.
8. Pipeline sacrificial flange according to claim 6, characterized in that the first inspection hole (11) and the second inspection hole (12) are each arranged in correspondence of a gap between two adjacent fasteners.
9. A seawater system comprising a pipeline, said pipeline being provided with a first connecting flange and a second connecting flange, characterized in that said seawater system further comprises a pipeline sacrificial flange according to any one of claims 1-8, said flange body (1) being arranged in abutment between said first connecting flange and said second connecting flange.
10. A marine vessel comprising the seawater system of claim 9.
CN202120230251.4U 2021-01-27 2021-01-27 Pipeline sacrificial flange, seawater system and ship Active CN214405050U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120230251.4U CN214405050U (en) 2021-01-27 2021-01-27 Pipeline sacrificial flange, seawater system and ship

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120230251.4U CN214405050U (en) 2021-01-27 2021-01-27 Pipeline sacrificial flange, seawater system and ship

Publications (1)

Publication Number Publication Date
CN214405050U true CN214405050U (en) 2021-10-15

Family

ID=78048475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120230251.4U Active CN214405050U (en) 2021-01-27 2021-01-27 Pipeline sacrificial flange, seawater system and ship

Country Status (1)

Country Link
CN (1) CN214405050U (en)

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