CN211179652U - Novel gas pipeline joint coating degree of corrosion's check out test set - Google Patents
Novel gas pipeline joint coating degree of corrosion's check out test set Download PDFInfo
- Publication number
- CN211179652U CN211179652U CN201921939217.3U CN201921939217U CN211179652U CN 211179652 U CN211179652 U CN 211179652U CN 201921939217 U CN201921939217 U CN 201921939217U CN 211179652 U CN211179652 U CN 211179652U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- flange
- connecting flange
- main part
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model discloses a novel gas pipeline repaired mouth degree of corrosion's check out test set, including pipeline main part, first flange, inner tube main part and second flange, there are first flange and second flange at the both ends of pipeline main part fixed mounting respectively, there is inner tube main part inside of pipeline main part through annular supporting seat fixed mounting, the outside fixedly connected with of second flange connection plush copper is extended to the one end of inner tube main part, the central position department of the first flange of inner tube main part position department is provided with connecting groove. This novel gas pipeline joint coating degree of corrosion's check out test set and method make the gas pipeline more comprehensive at the testing process of supersound guided wave through the probe lantern ring that sets up and the matrix installation of transducer, and the detection length of supersound guided wave wound mode is more outstanding simultaneously, has avoided because the unreasonable condition that leads to neglecting pipeline or pipeline joint coating emergence corruption of testing and analysis.
Description
Technical Field
The utility model relates to a gas pipeline technical field specifically is a novel gas pipeline joint coating degree of corrosion's check out test set.
Background
The gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced in oil fields) from a mining place or a processing plant to an urban gas distribution center or an industrial enterprise user, which is also called a gas pipeline, the natural gas is conveyed by using the gas pipeline, which is a way of conveying a large amount of natural gas on land, the gas pipeline occupies about half of the total length of the pipeline in the world, the long-distance gas pipeline is generally conveyed by pressurizing a gas compressor, the gas pipeline is rapidly developed in the aspects of selecting and selecting pipes, improving the conveying efficiency, realizing the full-line automation and the like, the pipes are widely made of X-60 low alloy steel (with the degree limit of 41,160 Pa), the pipes are made of materials with higher strength such as X-65, X-70 and the like, in order to reduce the friction resistance in the pipeline, new steel pipes with the thickness of more than 426 mm have generally adopted an inner coating, in addition, gases with different physical properties are conveyed, and a gaseous and liquid fuel gas pipeline conveying test at a low temperature of-70 ℃ and a high pressure of 75,460 Pa, although the fuel gas pipeline conveying has the advantages of low conveying cost, less occupied area, high safety performance and the like, compared with the integral structure of the pipeline, the repaired mouth of the fuel gas pipeline is more easily corroded, and in order to avoid the occurrence of the corresponding corrosion condition of the pipeline and ensure the safety of the fuel gas conveying, the novel fuel gas pipeline repaired mouth corrosion degree detection device is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel check out test set of gas pipeline repaired mouth degree of corrosion to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a novel gas pipeline repaired mouth corrosion degree detection device comprises a pipeline main body, a first connecting flange, an inner pipe main body and a second connecting flange, wherein the first connecting flange and the second connecting flange are fixedly installed at two ends of the pipeline main body respectively, the inner pipe main body is fixedly installed inside the pipeline main body through an annular supporting seat, a protective inner layer is uniformly sprayed on the inner wall of the inner pipe main body, a probe lantern ring is fixedly installed on the inner side of the pipeline main body at equal intervals, an energy converter is uniformly installed on the outer side of the probe lantern ring, one end of the inner pipe main body extends out of the outer side of the second connecting flange and is fixedly connected with a connecting raised head, the energy converter is fixedly installed on the outer side of the inner pipe main body of the connecting raised head, one end of the inner pipe main body, far away from the second connecting flange, extends to the inner side of the first connecting flange, and a connecting groove is arranged at the central position, the connecting groove and the connecting raised head are matched with each other for use, the outer side of the pipeline main body is provided with a protective outer layer, the first connecting flange and the second connecting flange are fixedly connected with each other through a fixing nut and a fixing bolt which are matched with each other for use, connectors are fixedly mounted at the opposite sides of the first connecting flange and the second connecting flange and at the positions between the fixing nut and the fixing bolt, and the connectors and the energy converter are matched with each other for use.
Preferably, a rubber sealing gasket is fixedly installed at the joint between the first connecting flange and the second connecting flange.
Preferably, the inner wall of the connecting groove is uniformly adhered with a sealing gasket.
Preferably, a sealing rubber ring is fixedly arranged between the fixing nut and the fixing bolt and between the first connecting flange and the second connecting flange.
Preferably, the pipeline main body, the first connecting flange, the inner pipe main body and the second connecting flange are internally provided with conducting wires which extend to the outer side of the pipeline main body.
Preferably, the protective inner layer is a protective layer formed by electrostatic spraying of epoxy resin powder.
Preferably, the outer side of the pipeline body is cleaned, epoxy powder is sprayed on the outer side of the pipeline body by static electricity to form a uniformly distributed coating, the thickness of the epoxy resin coating is controlled to be 150-200 mu m, an adhesive is uniformly coated on the outer side of the epoxy resin coating, polyethylene in a viscous state is wound on the outer side of the adhesive in a side direction, and the polyethylene is rolled to be tightly adhered to the adhesive layer.
Preferably, the method for drying the interior of the gas pipeline comprises a pipeline main body, an inner pipe main body and liquid nitrogen, wherein the liquid nitrogen is vaporized through a vaporizer, heated through a heater and then enters the interior of the inner pipe main body for low-pressure intermittent purging, so that water molecules in the interior of the inner pipe main body are mixed with the dry nitrogen and then are taken out of the pipeline main body.
Preferably, the temperature of the nitrogen gas heated by the heater is not lower than 50 ℃.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the array installation of the probe lantern ring and the transducer enables the detection process of the gas pipeline in the ultrasonic guided wave to be more comprehensive, meanwhile, the detection length of the ultrasonic guided wave damage detection mode is more excellent, the damage detection analysis effect is better, and the condition that the pipeline is ignored or the pipeline repaired mouth is corroded due to unreasonable detection analysis is avoided;
2. the double-layer pipeline design of pipeline main part and inner tube main part has effectively avoided the gas pipeline to take place the condition of leaking in long distance transportation gas in-process, even the gas takes place to leak in the inside of inner tube main part and pipeline main part carries out sealed protection to the gas in addition, has reduced the risk that the incident takes place, has effectively utilized the gas resource simultaneously, has avoided the extravagant phenomenon of the energy.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of a partial external structure of the present invention;
FIG. 3 is a schematic view of the overall cross-sectional structure of the present invention;
fig. 4 is a schematic view of the structure of the connecting flange of the present invention.
In the figure: 1. a pipe body; 2. a first connecting flange; 3. fixing a nut; 4. an inner tube body; 5. a transducer; 6. an annular supporting seat; 7. fixing the bolt; 8. a second connecting flange; 9. a probe collar; 10. sealing gaskets; 11. a rubber sealing gasket; 12. a connecting groove; 13. connecting the raised head; 14. a conductive wire; 15. sealing the rubber ring; 16. an outer protective layer; 17. a protective inner layer; 18. a connector is provided.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a novel gas pipeline joint coating corrosion degree detection device comprises a pipeline main body 1, a first connecting flange 2, an inner pipe main body 4 and a second connecting flange 8, wherein the first connecting flange 2 and the second connecting flange 8 are respectively and fixedly installed at two ends of the pipeline main body 1, the first connecting flange 2, the second connecting flange 8 and the pipeline main body 1 are installed through welding, the welding surface roughness of the first connecting flange and the second connecting flange meets the standard requirement, the inner pipe main body 4 is fixedly installed inside the pipeline main body 1 through an annular supporting seat 6, the annular supporting seat 6 enables a certain vacant part to be formed between the inner pipe main body 4 and the inner wall of the pipeline main body 1, a probe lantern ring 9 is convenient to install, a protective inner layer 17 is uniformly sprayed on the inner wall of the inner pipe main body 4, the spraying mode adopts an electrostatic spraying mode, the protective inner layer 17 is an epoxy resin inner layer, and the friction force between gas and the inner pipe main body 4 is effectively reduced, the transportation cost in the gas transportation process is reduced, the inner side of the pipeline main body 1 is fixedly provided with probe lantern rings 9 at equal intervals, the outer sides of the probe lantern rings 9 are uniformly provided with transducers 5, the transducers 5 are arranged on the outer sides of the probe lantern rings 9 in a matrix manner, the specific installation number of the transducers 5 is selected according to the outer diameter size of the pipeline main body 1, comprehensive scanning analysis can be carried out on the pipeline main body 1 and the inner pipe main body 4, one end of the inner pipe main body 4 extends out of the outer side of the second connecting flange 8 and is fixedly connected with a connecting raised head 13, the connecting raised head 13 and the second connecting flange 8 are integrally formed, the inner part of the connecting raised head 13 is communicated with the inner pipe main body 4, the transducer 5 is fixedly arranged on the outer side of the inner pipe main body 4 in the inner pipe main body 13, one end of the inner pipe main body 4 far away from the second connecting flange 8 extends to the inner side of the first connecting flange 2, a connecting groove, and the connecting groove 12 and the connecting raised head 13 are matched with each other for use, the outer side of the pipeline main body 1 is provided with a protective outer layer 16, the first connecting flange 2 and the second connecting flange 8 are fixedly connected with the fixing bolt 7 through the fixing nut 3 which is matched with each other for use, the connector 18 is fixedly arranged at the opposite side of the first connecting flange 2 and the second connecting flange 8 and the position between the fixing nut 3 and the fixing bolt 7, the connector 18 enables the integral function of the probe lantern ring 9 to be connected with an external computer, the detection and analysis of the pipeline repaired mouth and the pipeline main body 1 and the inner pipe main body 4 are ensured, and the connector 18 and the transducer 5 are matched with each other for use.
The utility model discloses in: a rubber sealing gasket 11 is fixedly arranged at the joint between the first connecting flange 2 and the second connecting flange 8. In the embodiment, the rubber sealing washer 11 makes the friction between the first connecting flange 2 and the second connecting flange 8 larger, and ensures the tightness of the connection between the pipe bodies 1.
The utility model discloses in: the inner wall of the connecting groove 12 is uniformly adhered with a sealing gasket 10. In the embodiment, the sealing gasket 10 adhesively mounted on the inner wall of the coupling recess 12 ensures the coupling stability and tightness of the coupling protrusion 13 inside the coupling recess 12, and prevents relative rotation between the pipe bodies 1.
The utility model discloses in: and sealing rubber rings 15 are fixedly arranged between the fixing nuts 3 and the fixing bolts 7 and between the first connecting flange 2 and the second connecting flange 8. In the embodiment, the fixing of the rubber packing 15 ensures the connection stability between the fixing nut 3 and the fixing bolt 7 and the first connecting flange 2 and the second connecting flange 8, so that the connection between the pipe main bodies 1 is more excellent.
The utility model discloses in: the pipeline main body 1, the first connecting flange 2, the inner pipe main body 4 and the second connecting flange 8 are internally provided with conducting wires 14 which extend to the outside of the pipeline main body 1. In the embodiment, the arrangement of the conducting wire 14 can effectively lead out the micro static electricity generated by the inner tube main body 4 in the gas transportation process, and the safety of the gas in the transportation process is effectively ensured.
The utility model discloses in: the protective inner layer 17 is a protective layer formed by electrostatic spraying of epoxy resin powder.
The utility model discloses in: a method for manufacturing the outer protective layer 16 includes cleaning the outer side of a pipeline body 1, spraying epoxy powder by static electricity to form a uniformly distributed coating on the outer side of the pipeline body 1, controlling the thickness of the epoxy resin coating to be 150-200 mu m, uniformly coating an adhesive on the outer side of the epoxy resin coating, winding polyethylene in a viscous state on the outer side of the adhesive, and rolling the polyethylene to enable the polyethylene to be tightly adhered to the adhesive layer.
The utility model discloses in: a method for drying the interior of a gas pipeline comprises a pipeline main body 1, an inner pipe main body 4 and liquid nitrogen, wherein the liquid nitrogen is vaporized through a vaporizer, heated through a heater and then enters the interior of the inner pipe main body 4 to be subjected to low-pressure intermittent purging, and water molecules in the interior of the inner pipe main body 4 are mixed with the dry nitrogen and then are taken out of the pipeline main body 1.
The utility model discloses in: the temperature of the nitrogen heated by the heater is not lower than 50 ℃.
It is noted that, herein, 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.
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 (6)
1. The utility model provides a novel gas pipeline joint coating degree of corrosion's check out test set, includes pipeline main part (1), first flange (2), inner tube main part (4) and second flange (8), the both ends of pipeline main part (1) fixed mounting respectively have first flange (2) and second flange (8), its characterized in that: the inner pipe comprises a pipe body (1), an inner pipe body (4) is fixedly arranged in the pipe body (1) through an annular supporting seat (6), a protective inner layer (17) is uniformly sprayed on the inner wall of the inner pipe body (4), a probe sleeve ring (9) is fixedly arranged on the inner side of the pipe body (1) at equal intervals, a transducer (5) is uniformly arranged on the outer side of the probe sleeve ring (9), one end of the inner pipe body (4) extends out of the outer side of a second connecting flange (8) and is fixedly connected with a connecting raised head (13), the transducer (5) is fixedly arranged on the outer side of the inner pipe body (4) of the connecting raised head (13), one end, far away from the second connecting flange (8), of the inner pipe body (4) extends to the inner side of a first connecting flange (2), a connecting groove (12) is formed in the position of the inner pipe body (4) at the center of, and the connecting groove (12) and the connecting raised head (13) are matched with each other for use, a protective outer layer (16) is arranged on the outer side of the pipeline main body (1), the first connecting flange (2) and the second connecting flange (8) are fixedly connected with the fixing bolt (7) through the fixing nut (3) matched with each other for use, the connector (18) is fixedly installed at the opposite side of the first connecting flange (2) and the second connecting flange (8) and at the position between the fixing nut (3) and the fixing bolt (7), and the connector (18) and the transducer (5) are matched with each other for use.
2. The novel gas pipeline repaired mouth corrosion degree detection equipment of claim 1, characterized in that: and a rubber sealing gasket (11) is fixedly arranged at the joint between the first connecting flange (2) and the second connecting flange (8).
3. The novel gas pipeline repaired mouth corrosion degree detection equipment of claim 1, characterized in that: and a sealing gasket (10) is uniformly adhered to the inner wall of the connecting groove (12).
4. The novel gas pipeline repaired mouth corrosion degree detection equipment of claim 1, characterized in that: and a sealing rubber ring (15) is fixedly arranged between the fixing nut (3) and the fixing bolt (7) and between the first connecting flange (2) and the second connecting flange (8).
5. The novel gas pipeline repaired mouth corrosion degree detection equipment of claim 1, characterized in that: the pipeline comprises a pipeline main body (1), a first connecting flange (2), an inner pipe main body (4) and a second connecting flange (8), wherein a conducting wire (14) is arranged inside the pipeline main body (1) and extends to the outer side of the pipeline main body (1).
6. The novel gas pipeline repaired mouth corrosion degree detection equipment of claim 1, characterized in that: the protective inner layer (17) is a protective layer formed by electrostatic spraying of epoxy resin powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939217.3U CN211179652U (en) | 2019-11-12 | 2019-11-12 | Novel gas pipeline joint coating degree of corrosion's check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921939217.3U CN211179652U (en) | 2019-11-12 | 2019-11-12 | Novel gas pipeline joint coating degree of corrosion's check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211179652U true CN211179652U (en) | 2020-08-04 |
Family
ID=71799268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921939217.3U Active CN211179652U (en) | 2019-11-12 | 2019-11-12 | Novel gas pipeline joint coating degree of corrosion's check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211179652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726036A (en) * | 2019-11-12 | 2020-01-24 | 江苏科盾检测技术有限公司 | Novel gas pipeline joint coating corrosion degree detection device and method |
-
2019
- 2019-11-12 CN CN201921939217.3U patent/CN211179652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726036A (en) * | 2019-11-12 | 2020-01-24 | 江苏科盾检测技术有限公司 | Novel gas pipeline joint coating corrosion degree detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205383366U (en) | Double containment anticreep formula connecting device | |
| CN211179652U (en) | Novel gas pipeline joint coating degree of corrosion's check out test set | |
| CN117450347B (en) | Chemical industry is with compound ABR pipe and sealing connection structure thereof | |
| CN106382423A (en) | High-pressure flexible hose | |
| CN212004674U (en) | Fire-fighting pipe flange connector for steel wire mesh PE composite pipe | |
| CN110726036A (en) | Novel gas pipeline joint coating corrosion degree detection device and method | |
| CN110864172A (en) | Novel compression-resistant flange for pipeline connection | |
| CN215635597U (en) | Novel pipeline is with anticorrosive sealed pad | |
| CN216045928U (en) | High-temperature-resistant corrosion-resistant leakage-proof corrugated pipe | |
| CN100580298C (en) | Non-welding flange connected omega type non-corrodible steel metal hose and manufacture method | |
| CN211398959U (en) | Connecting structure for winding injection molding parts at two ends of B-shaped pipe of winding structure wall | |
| CN209484096U (en) | A kind of corrosion-and high-temp-resistant bellows | |
| CN201193742Y (en) | Solderless flange-connected stainless steel metal hose of word 'omega' shap | |
| CN207945378U (en) | A kind of second conduit sealing structure | |
| CN101649936B (en) | Pipe connector | |
| CN111501053A (en) | Cleaning method of corrugated pipe | |
| CN105436041A (en) | Steel-pipe internal-coating glass fiber reinforced plastic mouth-repairing apparatus | |
| CN105371023A (en) | Dual-seal anti-disengaging type connecting device | |
| CN220623056U (en) | Metal cladding hose with protective structure | |
| CN220366077U (en) | Novel pipeline flange anticorrosion protection cover | |
| CN221145678U (en) | Plastic 90-degree elbow joint structure for metal hose | |
| CN211525783U (en) | Buckling type flexible composite anti-corrosion joint for conveying pipe | |
| CN219866698U (en) | HDPE steel wire skeleton composite pipe convenient to connect | |
| CN217130732U (en) | Corrosion-resistant welded steel pipe | |
| CN215950790U (en) | Protective structure of natural gas transportation pipeline link |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |