CN210661806U

CN210661806U - Conveying pipeline with cathode protection function

Info

Publication number: CN210661806U
Application number: CN201921898267.1U
Authority: CN
Inventors: 王永利
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-02
Anticipated expiration: 2029-11-06

Abstract

The utility model relates to a pipeline with cathodic protection function, including body, positive pole piece and connection end block, the extexine of body is provided with the anticorrosive layer of solidifying of titanium metal, the outside cover of body is equipped with the TPO sheath, a tip cover of body is equipped with the fastening hoop, the bottom of fastening hoop is installed through the bolt and is connected end block, there is metal slot through the mounting screw in the connection end block, metal slot's outside block has sealed lid, the inboard of sealed lid is provided with the metal inserted bar, the opening part packing of connecting end block has the sealed piece of PP, link to each other through flange between the body, and link to each other through the guard flap between the body. This novel pipeline function is various, easy operation, and the multiple demand in the use has been satisfied in the production of being convenient for, is fit for extensively using widely.

Description

Conveying pipeline with cathode protection function

Technical Field

The utility model relates to a pipeline technical field, concretely relates to pipeline with cathodic protection function.

Background

With the progress of society and the development of leather-making industry, the industrial production of leather additives and auxiliaries is more and more valued by people. In the production of leather additives and auxiliaries, it is often necessary to use buried pipelines for fluid transport.

Patent No. CN201820738084.2 discloses a conveying pipeline, which can effectively control the temperature of the material, does not affect the environment, and prevents the material property of the inner pipe from changing due to high temperature; the coating also has the advantages of corrosion resistance, chemical resistance, water resistance, long service life, simple integral structure and easy popularization and use.

The conveying pipeline has the following disadvantages: 1. the transmission pipeline cannot be protected by a sacrificial anode and cathode protection method, so that the service life of the pipeline is prolonged; 2. the traditional threaded connection cannot be prevented from rusting for a long time and being difficult to disassemble to cause locking; 3. the conveying pipeline has poor corrosion prevention effect and is easy to rust and damage. To this end, we propose a delivery duct with cathodic protection.

SUMMERY OF THE UTILITY MODEL

A main object of the present invention is to overcome at least one of the drawbacks of the prior art, and to provide a conveying pipeline with a cathodic protection function.

In order to realize the technical scheme, the utility model discloses a following technical scheme:

the utility model provides a pipeline with cathodic protection function, includes body, positive pole piece and connection end block, the extexine of body is provided with the anticorrosive layer of solidifying of titanium metal, the outside cover of body is equipped with the TPO sheath, a tip cover of body is equipped with the fastening hoop, the bottom of fastening hoop is installed through the bolt and is connected end block, there is the metal slot in the connection end block through the bolt mounting, the outside block of metal slot has sealed lid, the inboard of sealed lid is provided with the metal inserted bar, the opening part of connecting end block is filled there is the sealed piece of PP, link to each other through flange between the body, and link to each other through the protection connection piece between the body.

Further, the metal inserted bar is positioned in the metal slot.

Furthermore, the metal inserted bar is connected with a lead through brazing, the lead penetrates through the PP sealing block, and the other end of the lead is connected with an anode sheet.

Further, the protection connecting sheet and the pipe body are made of stainless steel materials, and the bottom end of the protection connecting sheet is fixed on the pipe body through screws.

Further, the inner surface layer of the pipe body is provided with a resistance reducing layer, and the resistance reducing layer is an organic silicon coating.

Further, the fastening band is connected with the pipe body through a connecting conductor.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. after the tube body is embedded into the soil body, the anode sheet (such as magnesium, aluminum, zinc and the like) is electrically connected with the protected tube body, the protected object is provided with protective current through the continuous dissolution and consumption of electronegative metal or alloy, so that the tube body is protected, the tube bodies are electrically connected through the protective connecting sheet, the scope of protecting the tube bodies is improved, and the effect is obvious.

2. Lie in the metal slot through the metal inserted bar, realize that the electrical property links to each other, easy to assemble and dismantlement connect closely, and the steadiness is high, avoids traditional threaded connection to cause the corrosion for a long time, is difficult to dismantle and causes the lock to die, through PP sealed piece, the high sealed effect of elasticity is showing, has higher impact resistance, and mechanical properties is tough, and anti multiple organic solvent and acid-base corrosion, stability is good, durable.

3. The resistance reducing layer is an organic silicon coating and has excellent characteristics of resistance reduction, high and low temperature resistance, electrical insulation, oxidation resistance stability, hydrophobicity, corrosion resistance, no toxicity, no odor, physiological inertia and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a conveying pipeline with a cathode protection function according to the present invention.

Fig. 2 is a schematic view of a connection block structure of a conveying pipeline with a cathode protection function according to the present invention.

Fig. 3 is a cross-sectional view of a pipe body of a conveying pipe with a cathode protection function according to the present invention.

In the figure: 1. an anode sheet; 2. a wire; 3. connecting the end block; 4. a connecting conductor; 5. a pipe body; 6. a fastening hoop; 7. a TPO sheath; 8. protecting the connecting sheet; 9. butting flanges; 10. a metal slot; 11. a metal insert rod; 12. a sealing cover; 13. a PP sealing block; 14. a titanium metal anticorrosion curing layer; 15. and a resistance reducing layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a conveying pipeline with a cathode protection function comprises a pipe body 5, an anode sheet 1 and a connecting end block 3, wherein an outer surface layer of the pipe body 5 is provided with a titanium metal anticorrosive cured layer 14, the outer side of the pipe body 5 is sleeved with a TPO sheath 7, one end of the pipe body 5 is sleeved with a fastening hoop 6, the bottom end of the fastening hoop 6 is provided with the connecting end block 3 through a bolt, a metal slot 10 is installed in the connecting end block 3 through a screw, the outer side of the metal slot 10 is clamped with a sealing cover 12, the inner side of the sealing cover 12 is provided with a metal insert rod 11, an opening of the connecting end block 3 is filled with a PP sealing block 13, the pipe bodies 5 are connected through a butt flange 9, and the pipe bodies 5 are connected.

Wherein, the metal inserted bar 11 is positioned in the metal slot 10.

In this embodiment, as shown in fig. 2, the metal insertion rod 11 is inserted into the metal insertion groove 10, so that the electrical connection is realized, the installation and the disassembly are convenient, the connection is tight, the stability is high, and the phenomenon that the traditional threaded connection is rusted for a long time and is difficult to disassemble to cause locking is avoided.

The metal inserted bar 11 is connected with a lead 2 through brazing, the lead 2 penetrates through the PP sealing block 13, and the other end of the lead 2 is connected with an anode sheet 1.

Wherein, protection connection piece 8 and body 5 are stainless steel, the bottom of protection connection piece 8 is passed through the fix with screw on body 5.

In this embodiment, as shown in fig. 1, the tube bodies 5 are electrically connected to each other through the protective connecting sheet 8, so that the range of the tube bodies 5 to be protected is increased, and the effect is remarkable.

The inner surface layer of the pipe body 5 is provided with a resistance reducing layer 15, and the resistance reducing layer 15 is an organic silicon coating.

In this embodiment, as shown in fig. 3, the resistance reducing layer 15 is an organic silicon coating layer, and has excellent characteristics of resistance reduction, high and low temperature resistance, electrical insulation, oxidation stability resistance, water repellency, corrosion resistance, no toxicity, no odor, physiological inertia, and the like.

Wherein the fastening collar 6 is connected to the tube body 5 by means of the connecting conductor 4.

In this embodiment, as shown in fig. 1, after the pipe body 5 is buried in the soil, the anode strip 1 is electrically connected to the protected pipe body 5.

It should be noted that, the utility model relates to a conveying pipeline with cathodic protection function, during operation, after embedding the body of pipe 5 into the soil body, the anode strip 1 such as magnesium, aluminum, zinc, etc. is electrically connected with the body of pipe 5 to be protected, through the continuous dissolution consumption of electronegative metals or alloys, provides the protection current for the protected object, makes the body of pipe 5 obtain the protection, makes the body of pipe 5 electrically connected through the protection connecting piece 8, improves the scope of the body of pipe 5 to be protected, and the effect is obvious; the metal inserting rod 11 is inserted into the metal inserting groove 10, so that the electrical connection is realized, the installation and the disassembly are convenient, the connection is tight, the stability is high, the phenomenon that the traditional threaded connection is rusted for a long time and is difficult to disassemble to cause locking is avoided, and the PP sealing block 13 has high elasticity, remarkable sealing effect, higher impact resistance, strong mechanical property, resistance to various organic solvents and acid-base corrosion, good stability and durability; the resistance reducing layer 15 is an organic silicon coating and has the excellent characteristics of resistance reduction, high and low temperature resistance, electrical insulation, oxidation resistance stability, hydrophobicity, corrosion resistance, no toxicity, no odor, physiological inertia and the like, and the titanium metal anti-corrosion curing layer 14 has the advantages of outstanding anti-corrosion effect, high coating strength, difficult peeling and durability.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A conveying pipeline with a cathodic protection function comprises a pipe body (5), an anode sheet (1) and a connecting end block (3), and is characterized in that: the outer surface layer of body (5) is provided with titanium anticorrosion cured layer (14), the outside cover of body (5) is equipped with TPO sheath (7), a tip cover of body (5) is equipped with fastening hoop (6), the bottom of fastening hoop (6) is installed through the bolt and is connected end block (3), there is metal slot (10) through the screw installation in connecting end block (3), the outside block of metal slot (10) has sealed lid (12), the inboard of sealed lid (12) is provided with metal inserted bar (11), the opening part of connecting end block (3) is filled with PP sealed piece (13), link to each other through flange (9) between body (5), and link to each other through protection connection piece (8) between body (5).

2. The conveying pipeline with the cathodic protection function as recited in claim 1, wherein: the metal inserted bar (11) is positioned in the metal slot (10).

3. The conveying pipeline with the cathodic protection function as recited in claim 1, wherein: the metal inserted bar (11) is connected with a lead (2) through brazing, the lead (2) penetrates through the PP sealing block (13) and the other end of the lead (2) is connected with an anode sheet (1).

4. The conveying pipeline with the cathodic protection function as recited in claim 1, wherein: the protection connecting sheet (8) and the pipe body (5) are made of stainless steel materials, and the bottom end of the protection connecting sheet (8) is fixed on the pipe body (5) through screws.

5. The conveying pipeline with the cathodic protection function as recited in claim 1, wherein: the inner surface layer of the pipe body (5) is provided with a resistance reducing layer (15), and the resistance reducing layer (15) is an organic silicon coating.

6. The conveying pipeline with the cathodic protection function as recited in claim 1, wherein: the fastening hoop (6) is connected with the pipe body (5) through the connecting conductor (4).