CN215173132U

CN215173132U - Pipeline anticorrosion unit and pipeline anticorrosion device

Info

Publication number: CN215173132U
Application number: CN202121486455.0U
Authority: CN
Inventors: 孙武; 赵林; 王海娟; 薛洋; 李飞鹏; 肖俊杰
Original assignee: China Petroleum and Chemical Corp; Petroleum Engineering Technology Research Institute of Sinopec Henan Oilfield Branch Co
Current assignee: China Petroleum and Chemical Corp; Petroleum Engineering Technology Research Institute of Sinopec Henan Oilfield Branch Co
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-14
Anticipated expiration: 2031-07-01

Abstract

The utility model relates to a anticorrosive unit of pipeline and anticorrosive device of pipeline, the anticorrosive unit of pipeline includes: the base is used for being detachably and hermetically arranged at the pipe orifice of the branch pipe section of the corresponding pipeline; the cylinder body extends along the up-down direction, is fixedly arranged on the base and is used for extending into the branch pipe section; the barrel is provided with an inner cavity for containing anticorrosive filler, and a plurality of through structures are distributed on the circumferential barrel wall of the barrel and are used for communicating the inner cavity of the barrel with the inner cavity of the branch pipe section; the top cover can be opened and closed or detachably arranged at the opening at the top end of the barrel body. When the anti-corrosion filler is used, the anti-corrosion filler can play an anti-corrosion role through the through structure on the cylinder body, and normal work is guaranteed. Because the cylinder body is used for installation, the anode block can be installed in the cylinder body, powdery or granular anode filler can be installed, and corrosion inhibition medicines and other anticorrosion fillers can be installed according to actual needs, so that the variety of the anticorrosion fillers is expanded, and the application range of the pipeline anticorrosion unit is effectively expanded.

Description

Pipeline anticorrosion unit and pipeline anticorrosion device

Technical Field

The utility model relates to a pipeline anticorrosion unit and pipeline anticorrosion device.

Background

Ground pipeline is in the use, because of its inside fluid composition nature is different, can lead to different types of corruption, causes the condition such as pipeline perforation, damage, fracture, consequently, need install corrosion prevention device additional at every certain distance on the pipeline, reduces the corruption of avoiding this section pipeline even, prolongs pipeline life-span, reduces the maintenance change operation frequency of pipeline, ensures the long-term normal use of pipeline.

The structure of current anticorrosive device is as disclosed in the chinese utility model patent that the publication number is CN207080751U, and it includes mounting, sacrificial anode body and installed part, and during the use, sacrificial anode body fixed mounting is on the mounting, and the mounting is installed at the installed part, with installed part seal installation on the branch pipeline section of pipeline for in the sacrificial anode body stretched into the branch pipeline section, during the use, the sacrificial anode body can carry out oxidation reaction and can restrain pipeline corrosion with the water in the pipeline. When the sacrificial anode body needs to be replaced, the mounting piece is detached from the pipe orifice of the branch pipe section, and after the sacrificial anode body is replaced, the mounting piece is installed at the pipe orifice of the branch pipe section again.

However, in the above device, because the sacrificial anode body is fixedly mounted by using the fixing member, the anode protection filler can only be a sacrificial anode body in blocks, and cannot be anode protection fillers such as powder, granules and the like. In addition, only the anode protection filler can be used, and fillers such as corrosion inhibition medicines which are usually called as powder or particles cannot be directly selected, so that the requirement on the anticorrosion filler is increased, and the application range of the anticorrosion device is limited because the anticorrosion filler only can be the anode protection filler.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pipeline anticorrosion unit, which solves the technical problem that only sacrificial anode bodies can be selected when a fixing piece is adopted to directly fix and install protective packing in the prior art; simultaneously, the utility model also provides a pipeline corrosion prevention device to solve among the prior art corrosion prevention device and only use the anode protection filler to lead to the technical problem that the range of application is limited.

In order to achieve the above object, the utility model provides a technical scheme of anticorrosive unit of pipeline is: a pipe corrosion protection unit comprising:

the base is used for being detachably and hermetically arranged at the pipe orifice of the branch pipe section of the corresponding pipeline;

the cylinder body extends along the up-down direction, is fixedly arranged on the base and is used for extending into the branch pipe section;

the barrel is provided with an inner cavity for containing anticorrosive filler, and a plurality of through structures are distributed on the circumferential barrel wall of the barrel and are used for communicating the inner cavity of the barrel with the inner cavity of the branch pipe section;

the top cover can be opened and closed or detachably arranged at the opening at the top end of the barrel body.

The beneficial effects are that: the utility model provides an among the anticorrosive unit of pipeline, set up the barrel on the base, the anticorrosive filler of mountable in the barrel to utilize the top cap shutoff, during the use, the link up structure on the accessible barrel makes anticorrosive filler performance anti-corrosion, guarantees normal work. Because the cylinder body is used for installation, the anode block can be installed in the cylinder body, powdery or granular anode filler can be installed, and corrosion inhibition medicines and other anticorrosion fillers can be installed according to actual needs, so that the class of the anticorrosion fillers is expanded, and the application range of the pipeline anticorrosion unit is effectively expanded.

As a further improvement, a packing column is fixedly arranged on the base, and is positioned in the cylinder body along the vertical direction and used for extruding the anticorrosive packing.

The beneficial effects are that: the packing column is suitable for extruding powdery or granular anticorrosive packing, so that the anticorrosive effect of the anticorrosive packing is ensured.

As a further improvement, the packing column is positioned at the center of the cylinder.

The beneficial effects are that: the central column of packing allows for uniform compression around the periphery.

As a further improvement, the top end of the packing column is in pressing contact with the top cover.

The beneficial effects are that: the top end of the packing column is in top pressure contact with the top cover, so that the stable extrusion of the packing column is ensured.

As a further improvement, the filler column is a metal column, the cylinder is a metal cylinder, the top cover is a metal top cover, and the base is a metal base.

The beneficial effects are that: the packing column, the cylinder body, the top cover and the base are all made of metal pieces, the top cover and the base are conveniently and electrically communicated through the packing column, an effective loop is formed, and the packing column is suitable for being used when anode anticorrosion packing is filled in the cylinder body.

As a further improvement, the outer side of the top cover facing away from the cylinder body is provided with an outwardly extending metal guide.

The beneficial effects are that: when the anticorrosive filler uses the anode anticorrosive filler, the metal guide piece on the top cover can enlarge the contact area of the cylinder body and the liquid in the pipeline in the branch pipe section.

As a further improvement, a plurality of elastic contact pieces are uniformly distributed on the outer peripheral surface of the cylinder body around the circumferential direction of the cylinder body and used for elastically pressing against the inner wall surface of the branch pipe section.

The beneficial effects are that: the elastic contact piece is used for being in pressing contact with the inner wall surface of the branch pipe section, so that the disassembly resistance is reduced when the pipeline anticorrosion unit is disassembled and replaced.

As a further improvement, the elastic contact piece is a metal piece.

The beneficial effects are that: the elastic contact piece is a metal piece, so that the contact area of the cylinder body and the branch pipe section can be increased, a larger loop can be formed conveniently, and the elastic contact piece is used for consuming anode anticorrosion filler in a limited manner so as to strengthen the effect of protecting the pipeline.

In a further improvement, the elastic contact piece is an angular metal sheet, two ends of the angular metal sheet are fixed on the outer circumferential surface of the cylinder body, and the top end of the metal sheet is used for being in press fit with the inner wall surface of the branch pipe section.

The beneficial effects are that: the metal sheet is adopted to facilitate the forming of the corresponding elastic contact element, and the good elastic jacking performance is ensured.

The utility model provides a pipeline corrosion prevention device's technical scheme is: a pipe corrosion prevention device comprising:

the three-way pipe comprises a main pipe section and a branch pipe section, wherein the main pipe section is connected in series in a fluid pipeline, and valves are respectively arranged on the main pipe section at the upstream and downstream of the branch pipe section and can control the on-off of the main pipe section;

install the anticorrosive unit of pipeline on the lateral duct section, this anticorrosive unit of pipeline includes:

the base is detachably and hermetically arranged at the pipe orifice of the branch pipe section;

the cylinder body extends along the up-down direction, is fixedly arranged on the base and extends into the branch pipe section;

The beneficial effects are that: the utility model provides an among the pipeline corrosion prevention device, dismantled and assembled being furnished with the anticorrosive unit of pipeline on the pipeline section, wherein, set up the barrel on the base, the anticorrosive filler of mountable in the barrel to utilize the top cap shutoff, during the use, the link up structure on the accessible barrel makes anticorrosive filler exert anticorrosive effect, guarantees normal work. Because the cylinder body is used for installation, the anode block can be installed in the cylinder body, powdery or granular anode filler can be installed, and corrosion inhibition medicines and other anticorrosion fillers can be installed according to actual needs, so that the class of the anticorrosion fillers is expanded, and the application range of the pipeline anticorrosion unit is effectively expanded.

The beneficial effects are that: when the anode anticorrosion filler is used as the anticorrosion filler, the metal guide piece on the top cover can expand the liquid in the branch pipe section and can expand the contact area with the liquid in the pipeline.

As a further improvement, the elastic contact piece is a metal piece.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment 1 of a pipeline corrosion prevention device provided by the present invention;

fig. 2 is a schematic structural diagram of an embodiment 2 of the pipeline corrosion prevention device provided by the present invention.

Description of reference numerals:

1. a liquid inlet pipeline section; 2. a liquid inlet port valve; 3. a branch pipe section; 4. a base; 5. a packed column; 6. a barrel; 7. anticorrosive filler; 8. a top cover; 9. a liquid outlet port valve; 10. a liquid outlet pipeline section; 11. a main pipe section; 12. an elastic contact.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrase "comprising an … …" do not exclude the inclusion of such elements in processes or methods.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model provides a pipeline corrosion prevention device's embodiment 1:

the embodiment provides a pipeline corrosion prevention device, and pipeline corrosion prevention device concatenates on fluid pipeline along fluid pipeline direction for just arrange one at a section distance of every on the fluid pipeline, and then reducible avoid the pipeline corruption even, prolong the pipeline life-span, reduce the maintenance change operation frequency of pipeline, ensure that the pipeline uses for a long time.

As shown in figure 1, the pipeline corrosion prevention device comprises a three-way pipe body, the three-way pipe body is integrally T-shaped, the three-way pipe body specifically comprises a main pipe section 11 and a branch pipe section 3, the main pipe section 11 is in the horizontal direction, and the branch pipe section 3 is in the vertical direction.

The upstream and downstream of the main pipe section 11 are correspondingly provided with a liquid inlet port valve 2 and a liquid outlet port valve 9, the liquid inlet port valve 2 and the liquid outlet port valve 9 are positioned on the same horizontal direction, the liquid inlet end of the liquid inlet port valve 2 is in sealing connection with the liquid inlet pipeline section 1 of the fluid pipeline in a flange manner, such as a union manner, the liquid outlet end of the liquid outlet port valve 9 is in sealing connection with the liquid outlet pipeline section 10 of the fluid pipeline in a flange manner, such as a union manner, the on-off of the main pipe section 11 is controlled, and the main pipe section 11 is connected in series in the fluid pipeline.

The inside pipeline anticorrosion unit that is provided with of lateral tube section 3 specifically includes base 4, packed column 5, barrel 6 and top cap 8. The base 4 is detachably and hermetically connected with the pipe orifice of the branch pipe section 3 through threads, clamping pins and the like, a concave hole groove is formed in the center of the upper end face of the base 4, and a concave ring groove is concentrically formed; base 4 is equipped with barrel 6 through the fixed concave ring groove, and barrel 6 generally is the loop configuration, specifically can set up to foraminiferous annular thin slice or have the annular strip column assembly in certain clearance, and hole or clearance here form through structure to make the inner chamber of barrel 6 and the inner chamber intercommunication of branch pipe section 3, and then make the anticorrosive filler 7 of splendid attire in the 6 inner chambers of barrel can contact with the fluid in the branch pipe section 3.

The inner chamber center of barrel 6 is provided with filled column 5, and filled column 5 lower extreme is in the same place through the fixed assembly of the notch hole groove on the base 4 with

base

4, and 5 upper end roof pressure contacts of filled column have top cap 8, and top cap 8 is located the upper end opening part of barrel 6 to with barrel 6 assembly together that can dismantle, make filled column 5 can carry out stable extrusion to anticorrosive filler 7.

A plurality of elastic contact pieces 12 are distributed on the outer peripheral surface of the cylinder 6, the elastic contact pieces 12 are angular metal sheets, two foot ends of each metal sheet are fixed on the outer peripheral surface of the cylinder 6, and the top ends of the metal sheets are used for being elastically pressed and matched with the inner wall surface of the branch pipe section 3, so that the assembling and disassembling resistance is reduced when the anticorrosion unit is assembled and disassembled.

In fact, the pipeline anticorrosion unit is installed by using the cylinder 6, and the anticorrosion filler 7 positioned between the filler column 5 and the inner wall of the cylinder 6 can be powdery or granular anode anticorrosion materials, and can also be provided with corrosion inhibition medicines and other anticorrosion materials according to actual needs. When adopting likepowder or granular positive pole anticorrosive material as anticorrosive filler 7, base 4, filler column 5, barrel 6 and top cap 8 in the anticorrosive unit all can adopt the metalwork, conveniently through filler column 5 electrically conductive intercommunication top cap 8 and base 4, form effective return circuit, fully consume the anticorrosive filler of positive pole, improve anticorrosive effect. Meanwhile, a plurality of metal guide lines can be arranged on the top cover 8 to be in contact with the branch pipe sections 3, or a guide ring can be arranged, so that fluid flowing through is in direct contact with the guide ring, a larger loop channel is formed, and the purpose of fully consuming the anode anticorrosion filler for anticorrosion is further ensured.

The pipeline corrosion prevention device is in sealing connection with a fluid pipeline when in use, fluid in the fluid pipeline enters the pipeline corrosion prevention device through the liquid inlet pipeline section 1 and the liquid inlet port valve 2, so that the fluid is in direct contact with the pipeline corrosion prevention unit, and the fluid in the fluid pipeline is prevented from being corroded by the consumption corrosion prevention filler 7.

Different anti-corrosion fillers 7 are placed in the inner cavity of the cylinder 6 according to different properties of liquid in the pipeline to form a protection loop, so that the anti-corrosion fillers 7 are fully consumed, the purpose of corrosion resistance of the pipeline is achieved, the disassembly is convenient, and the anti-corrosion fillers 7 can be conveniently and timely replaced during use.

When anticorrosive filler needs to be changed, the liquid inlet port valve 2 and the liquid outlet port valve 9 can be closed, the base 4 is detached from the branch pipe section 3, the top cover 8 is opened, and the internal anticorrosive filler 7 is changed.

The utility model provides a pipeline corrosion prevention device's embodiment 2:

the difference from example 1 is mainly that: in example 1, a packing column was fixedly attached to the upper end surface of the base, and an elastic contact member was fixed to the outer peripheral surface of the cylinder. In this embodiment, as shown in fig. 2, the packing column and the elastic contact element are omitted, the barrel 6 is directly used for containing the anticorrosive packing 7, and of course, the barrel 6 still needs to be provided with a corresponding through structure to ensure the normal contact between the pipeline fluid and the anticorrosive packing.

The utility model provides a pipeline corrosion prevention device's embodiment 3:

the difference from example 1 is mainly that: in example 1, the packed column was located at the center of the cylinder. In this embodiment, more than two packing columns can be uniformly arranged inside the cylinder.

The utility model provides a pipeline corrosion prevention device's embodiment 4:

the difference from example 1 is mainly that: in example 1, the cylinder and the base were assembled separately, and the packing column was assembled separately inside. In this embodiment, the barrel, base and packing column may be cast integrally and then machined with corresponding holes or gaps to form a through structure, and a hinged top cover may be opened and closed at the top opening of the barrel.

The utility model provides a pipeline corrosion prevention device's embodiment 5:

the difference from example 1 is mainly that: in example 1, the top cover is a solid flat cylindrical structure. In this embodiment, top cap central point puts to be circular solid structure for with the contact of packing post adaptation roof pressure, be provided with a plurality of apertures that link up from top to bottom around the circular solid structure of top cap central point on the top cap, increase the area of contact of barrel inner chamber and branch pipe section inner chamber, and then make anticorrosive packing consumption more abundant.

The utility model provides a pipeline corrosion prevention device's concrete embodiment 6:

the difference from example 1 is mainly that: in embodiment 1, the three-way pipe body has a T-shaped structure. In this embodiment, the tee pipe body can also be a structure similar to the Y shape, namely the main pipe section is horizontal, and the included angle between the branch pipe section and the main pipe section is less than 90 degrees.

The utility model discloses still provide the embodiment of the anticorrosive unit of pipeline:

the structure of the pipe corrosion prevention unit in this embodiment is the same as that of the pipe corrosion prevention unit in embodiment 1 of the pipe corrosion prevention device, and is not described again here.

Of course, in other embodiments, the pipeline corrosion prevention unit may also adopt the structure of the pipeline corrosion prevention unit in any embodiment of the pipeline corrosion prevention device embodiments 2 to 5, and details are not repeated here.

The pipeline anticorrosion unit not only can be applied to a pipeline anticorrosion device, but also can be directly applied to a pipeline structure, and a corresponding branch pipe section is arranged on a main pipeline structure, so that sealing installation can be realized.

Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and 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 without inventive effort to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features. 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

1. A pipe corrosion protection unit comprising:

the base (4) is used for being detachably and hermetically arranged at the pipe orifice of the branch pipe section (3) of the corresponding pipeline;

it is characterized by also comprising:

the cylinder body (6) extends along the up-down direction, is fixedly arranged on the base (4) and is used for extending into the branch pipe section (3);

the barrel body (6) is provided with an inner cavity for containing anticorrosive fillers (7), and a plurality of through structures are distributed on the circumferential barrel wall of the barrel body (6) and are used for communicating the inner cavity of the barrel body (6) with the inner cavity of the branch pipe section (3);

the top cover (8) is arranged at the opening at the top end of the barrel body (6) in an openable or detachable way.

2. The pipeline corrosion prevention unit according to claim 1, wherein a packing column (5) is fixedly arranged on the base (4), the packing column (5) is arranged along the up-down direction, and the packing column (5) is positioned in the cylinder (6) and used for extruding the corrosion prevention packing (7).

3. The pipe corrosion protection unit according to claim 2, wherein the packing column (5) is located at a central position of the cylinder (6).

4. Unit according to claim 3, characterized in that the top ends of the filler columns (5) are in pressing contact with the top cover (8).

5. The pipe corrosion protection unit according to claim 4, wherein the packing column (5) is a metal column, the cylinder (6) is a metal cylinder, the top cover (8) is a metal top cover, and the base (4) is a metal base.

6. The pipe corrosion protection unit according to claim 5, wherein the outer side of the top cover (8) facing away from the cylinder (6) is provided with an outwardly extending metal guide.

7. The pipe corrosion prevention unit according to any one of claims 1 to 6, wherein a plurality of elastic contact pieces (12) are uniformly distributed on the outer circumferential surface of the cylinder (6) around the cylinder (6) in the circumferential direction and used for elastically pressing against the inner wall surface of the branch pipe section (3).

8. Unit according to claim 7, characterized in that the elastic contact piece (12) is a metal piece.

9. The pipe corrosion prevention unit according to claim 8, wherein the elastic contact member (12) is an angular metal sheet, both ends of the angular metal sheet are fixed to the outer circumferential surface of the cylindrical body (6), and the top end of the metal sheet is used for press-fitting with the inner wall surface of the branch pipe section (3).

10. A corrosion protection device for pipes, comprising:

the three-way pipe comprises a main pipe section (11) and branch pipe sections (3), wherein the main pipe section (11) is connected in series in a fluid pipeline, and valves are respectively arranged on the main pipe section (11) at the upstream and downstream of the branch pipe sections (3) and can control the on-off of the main pipe section (11);

the pipeline corrosion prevention unit is mounted on the branch pipe section (3) and adopts the pipeline corrosion prevention unit as claimed in any one of claims 1 to 9, a base (4) of the pipeline corrosion prevention unit is detachably and hermetically assembled at the pipe orifice of the branch pipe section (3), and a cylinder (6) of the pipeline corrosion prevention unit extends into the branch pipe section (3).