CN210030898U

CN210030898U - Direct-buried cathode detection device for protecting steel gas pipeline

Info

Publication number: CN210030898U
Application number: CN201920756223.9U
Authority: CN
Inventors: 李桐; 房振忠; 王连波; 邱实; 朱静
Original assignee: Changchun Gas Thermal Design And Research Institute Co Ltd
Current assignee: Changchun Gas Thermal Design And Research Institute Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-02-07
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a be used for protecting steel gas pipeline direct-burried negative pole detection device, be equipped with sealed the pad between glass lid top cap and the outer lining top of glass steel, the stainless steel backup pad is installed respectively to the inside top both sides of the outer lining of glass steel, survey test panel bottom electric connection has the cable conductor, the cable conductor is equipped with cable joint with the crossing department of the outer lining of glass steel in addition, the cable conductor other end is connected with the gas pipeline, the gas pipeline both sides are equipped with sacrificial anode and reference electrode respectively, both sides all are equipped with the top cap and open the hole on the glass lid top cap. The utility model discloses novel structure, the material of the glass steel itself that sets up is harder, can guarantee that the pressure that earth produced around can not cause the damage to surveying the board, and the corrosion resisting property of glass steel itself is also fine, can guarantee to survey the board and not corroded, and tests stake seal cap and be the bilayer, adopts stainless steel material, and intensity is big, not rusty, adopts sealed cushion with this body coupling of glass steel sealed, can guarantee that subaerial water does not get into inside the test stake.

Description

Direct-buried cathode detection device for protecting steel gas pipeline

Technical Field

The utility model relates to a detection device, in particular to be used for protecting steel gas pipeline direct-burried negative pole detection device belongs to gas pipeline equipment technical field.

Background

The product that detects gas pipeline surface in the existing market is basically all the above-ground formula test pile, but it often suffers artificial destruction to thereby because the groundwater level in some areas is too high or the phenomenon that often can take place the infiltration, leak improper maintenance, and then cause the test pile to be soaked the problem of inefficacy, but adopt the direct buried way of burying to solve waterproof and the inconvenient problem of personnel's operation again, so need design one kind at present and be used for protecting steel gas pipeline direct burial formula cathode detection device.

Disclosure of Invention

The utility model provides a be used for protecting steel gas pipeline direct-burried cathodic protection detection device to the problem mentioned in the background art has been solved.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a direct-buried cathode detection device for protecting a steel gas pipeline, which comprises a glass fiber reinforced plastic outer lining, a terrace and a gas pipeline, wherein the glass fiber reinforced plastic outer lining is arranged at the bottom of the terrace, a glass cover top cover is arranged at the top end of the glass fiber reinforced plastic outer lining, a sealing gasket is arranged between the glass cover top cover and the top end of the glass fiber reinforced plastic outer lining, a steel cover plate is arranged at the top end of the glass cover top cover, a C20 plain concrete plate is arranged at the bottom end of the glass fiber reinforced plastic outer lining, stainless steel supporting plates are respectively arranged at two sides of the top end inside the glass fiber reinforced plastic outer lining, a test plate is arranged on each of the two stainless steel supporting plates, a fixing bolt is arranged at the connecting part of the two stainless steel supporting plates and the test plate, a cable is electrically connected with the bottom, and the two sides of the gas pipeline are respectively provided with a sacrificial anode and a reference electrode, and the two sides of the top cover of the glass cover are respectively provided with a top cover opening hole.

As an optimal technical scheme of the utility model, be equipped with first test post, second test post, third test post and fourth test post on surveying the board respectively, first test post, second test post, third test post and fourth test post bottom all with cable conductor electric connection.

As an optimal technical scheme of the utility model, survey four turnings and all pass through fixing bolt and stainless steel backup pad threaded connection.

As an optimized technical scheme of the utility model, first test post is connected with gas pipeline through the cable conductor.

As an optimized technical proposal of the utility model, the second testing column and the third testing column are connected with the sacrificial anode through cables.

As an optimized technical scheme of the utility model, the fourth test column is connected with the reference electrode through the cable conductor.

The utility model discloses the beneficial effect who reaches is:

1. the utility model discloses novel structure, easy operation, high durability and convenient use, the material of the glass steel itself that sets up is harder, can guarantee that the pressure that earth produced around can not cause the damage to surveying the board, the corrosion resisting property of glass steel itself is also fine, can guarantee to survey the board and not corroded, and the sealed top cap of test stake is the bilayer, adopts stainless steel material, intensity is big, does not rust, and it is sealed to adopt sealed cushion with this body coupling department of glass steel, can guarantee that subaerial water does not get into inside the test stake.

2. By adopting the test columns on the test board to be electrically connected with the gas pipeline, the sacrificial anode and the reference electrode, the cathode potential, the current, the grounding resistance and the insulating property of the insulating device of the cathode protection system can be measured, and the anode dynamic and other important parameters can be detected, so that the gas pipeline can be detected more comprehensively and accurately.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the front structure of the test board of the present invention;

fig. 3 is a schematic view of the front structure of the top cover of the glass cover of the present invention.

In the figure: 1. a glass fiber reinforced plastic outer lining; 2. a terrace; 3. a steel cover plate; 4. a glass cover top cover; 5. a gasket; 6. c20 plain concrete slabs; 7. a stainless steel support plate; 8. fixing the bolt; 9. a cable wire; 10. a cable joint; 11. a sacrificial anode; 12. a reference electrode; 13. a gas pipeline; 14. a test board; 141. a first test column; 142. a second test column; 143. a third test column; 144. a fourth test column; 15. the top cover opens the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in figures 1-3, the utility model relates to a direct-buried cathode detection device for protecting a steel gas pipeline, which comprises a glass fiber reinforced plastic outer lining 1, a terrace 2 and a gas pipeline 13, wherein the glass fiber reinforced plastic outer lining 1 is arranged at the bottom of the terrace 2, a glass cover top cover 4 is arranged at the top end of the glass fiber reinforced plastic outer lining 1, a sealing gasket 5 is arranged between the glass cover top cover 4 and the top end of the glass fiber reinforced plastic outer lining 1, a steel cover plate 3 is arranged at the top end of the glass cover top cover 4, a C20 plain concrete plate 6 is arranged at the bottom end of the glass fiber reinforced plastic outer lining 1, stainless steel support plates 7 are respectively arranged at both sides of the top end inside the glass fiber reinforced plastic outer lining 1, test plates 14 are respectively arranged on the two stainless steel support plates 7, fixing bolts 8 are arranged at the joints of the two stainless steel support plates 7 and the test plates 14, a cable 9 is electrically, the two sides of the gas pipeline 13 are respectively provided with a sacrificial anode 11 and a reference electrode 12, and the two sides of the glass cover top cover 4 are both provided with a top cover opening hole 15.

The testing board 14 is provided with a first testing column 141, a second testing column 142, a third testing column 143 and a fourth testing column 144, the bottom ends of the first testing column 141, the second testing column 142, the third testing column 143 and the fourth testing column 144 are electrically connected with the cable 9, four corners of the testing board 14 are in threaded connection with the stainless steel supporting plate 7 through fixing bolts 8, the first testing column 141 is connected with the gas pipeline 13 through the cable 9, the second testing column 142 and the third testing column 143 are connected with the sacrificial anode 11 through the cable 9, and the fourth testing column 144 is connected with the reference electrode 12 through the cable 9.

Specifically, the utility model discloses during the use, earlier with survey through operation fixing bolt 8 and survey threaded connection between 14 four turnings of survey test panel and the stainless steel backup pad 7, make survey test panel 14 fixed mounting on stainless steel backup pad 7, and survey each test post and gas pipeline 13 and sacrificial anode 11 and reference electrode 12 electric connection on test panel 14 through the adoption, can measure cathodic protection system's cathode potential, electric current, ground resistance, insulator arrangement's insulating properties, detect important parameter such as positive pole developments, and then more comprehensive to the detection of gas pipeline 13, it is accurate, wherein test stake glass cover top cap 4 is the bilayer, adopt the stainless steel material, intensity is big, it is rustless, it is sealed with 1 junction adoption sealed pad 5 of glass steel outer lining, can guarantee that subaerial water does not get into inside the test stake.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The direct-buried cathode detection device for protecting the steel gas pipeline is characterized by comprising an outer glass fiber reinforced plastic lining (1), a terrace (2) and a gas pipeline (13), wherein the outer glass fiber reinforced plastic lining (1) is installed at the bottom of the terrace (2), a glass cover top cover (4) is installed at the top end of the outer glass fiber reinforced plastic lining (1), a sealing gasket (5) is arranged between the top end of the glass cover top cover (4) and the top end of the outer glass fiber reinforced plastic lining (1), a steel cover plate (3) is installed at the top end of the glass cover top cover (4), a C20 plain concrete plate (6) is arranged at the bottom end of the outer glass fiber reinforced plastic lining (1), stainless steel support plates (7) are respectively installed at two sides of the inner top end of the outer glass fiber reinforced plastic lining (1), two stainless steel support plates (7) are respectively provided with a test board (14), and fixing bolts (8) are arranged at the, survey test panel (14) bottom electric connection has cable conductor (9), cable conductor (9) in addition and the crossing department of glass steel outer lining (1) are equipped with cable joint (10), the cable conductor (9) other end is connected with gas pipeline (13), gas pipeline (13) both sides are equipped with sacrificial anode (11) and reference electrode (12) respectively, both sides all are equipped with top cap opening hole (15) on glass lid top cap (4).

2. The direct-buried cathode detection device for protecting the steel-made gas pipeline according to claim 1, wherein a first testing column (141), a second testing column (142), a third testing column (143) and a fourth testing column (144) are respectively arranged on the testing board (14), and bottom ends of the first testing column (141), the second testing column (142), the third testing column (143) and the fourth testing column (144) are electrically connected with the cable (9).

3. The direct-buried cathode detection device for protecting the steel-made gas pipeline is characterized in that the four corners of the test board (14) are in threaded connection with the stainless steel support plate (7) through fixing bolts (8).

4. The direct-buried cathode detection device for protecting the steel gas pipeline is characterized in that the first test column (141) is connected with the gas pipeline (13) through an electric cable (9).

5. The direct-buried cathode detection device for protecting the steel gas pipeline is characterized in that the second test column (142) and the third test column (143) are connected with the sacrificial anode (11) through electric cables (9).

6. The direct-buried cathode detection device for protecting the steel gas pipeline as claimed in claim 2, wherein the fourth test column (144) is connected with the reference electrode (12) through a cable (9).