CN219493880U - Buried hydrogen conveying pipeline detection device - Google Patents
Buried hydrogen conveying pipeline detection device Download PDFInfo
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- CN219493880U CN219493880U CN202320685974.2U CN202320685974U CN219493880U CN 219493880 U CN219493880 U CN 219493880U CN 202320685974 U CN202320685974 U CN 202320685974U CN 219493880 U CN219493880 U CN 219493880U
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- pipeline
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Abstract
The utility model belongs to the technical field of hydrogen transportation, and particularly relates to a buried hydrogen transportation pipeline detection device. The hydrogen pipeline is sleeved with an external pipeline, annular baffles are welded on the inner walls of at least two ends of the external pipeline, a flexible sealing valve is arranged between the annular baffles and the hydrogen pipeline, and a detection device, an alarm positioning device and an alarm positioning device are arranged between the annular baffles at two ends of the external pipeline and are electrically connected. According to the utility model, the hydrogen pipeline is isolated into a plurality of closed cavities through the external pipeline, the annular baffle plate and the flexible sealing valve, and the hydrogen leakage can be detected rapidly through the detection device and an alarm is sent out.
Description
Technical Field
The utility model belongs to the technical field of hydrogen transportation, and particularly relates to a buried hydrogen transportation pipeline detection device.
Background
At present, new energy is rapidly developed due to the gradual strictness of environmental protection policies, especially new energy represented by hydrogen is more and more paid attention to, the hydrogen is gas, transportation is needed in the production and use processes, the long-distance transportation is mainly carried out by steam after liquefaction, the pipeline is economical in short-distance transportation, the common pipeline is an overhead pipeline, but due to space limitation, the overhead brings various inconveniences, especially in the places where highways, workshops and the like need to be limited in height, and the buried hydrogen conveying pipeline well solves the problem. The hydrogen pipeline has high installation quality requirements, particularly the welded junction parts at the butt joint points, the elbows and the tee joints are easy to leak, and a set of hydrogen pipeline detection device is necessary to design to prevent the problem of hydrogen leakage.
The patent of application number 202121207875.0 discloses a hydrogen buries ground pipeline sleeve pipe device, this patent includes hydrogen buries ground pipeline, protection pipe box, supporting component, see through to protection pipe box and hydrogen buries ground pipeline and fills the monitoring gas and monitor the change of protection pipe box internal pressure in the cavity, come the quick judgement hydrogen or the leakage condition of protection pipe box, this patent has following inadequacies, the mode of rushing into monitoring gas needs to throw into higher cost, moreover when hydrogen takes place to leak, only can obtain the suggestion through the change of pressure, but can't know exactly the position of revealing, also can bring the cost of maintenance to the pipeline maintenance when protection pipe box itself has the leak source simultaneously.
Disclosure of Invention
The utility model aims to provide a buried hydrogen pipeline detection device, which aims to solve the problems in the prior art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a buried type hydrogen pipeline detection device, includes hydrogen pipeline, and the hydrogen pipeline outside has cup jointed outside pipeline, and the welding has annular baffle on the inner wall of outside pipeline no less than two ends, is equipped with flexible sealing valve between annular baffle and the hydrogen pipeline, and detection device, alarm positioner are installed to outside pipeline between the annular baffle at both ends, detection device, alarm positioner electric connection.
Further, the outer wall of the outer pipeline is coated with an anti-corrosion paint surface.
Further, a closed cavity is formed among the hydrogen pipeline, the external pipeline, the annular baffle plate and the flexible sealing valve, and the monitoring end of the detection device penetrates through the external pipeline and then penetrates into the closed cavity.
Further, the hydrogen pipeline is one or more or the combination of a single-pipe pipeline, a pipeline with an elbow, a pipeline with a tee joint and a reducing pipeline which contain welded junctions or do not contain welded junctions.
Further, the pipe diameter of the outer pipeline is larger than that of the hydrogen pipeline, and the shape of the outer pipeline is matched with and concentric with that of the hydrogen pipeline.
The utility model has the following beneficial effects:
1. the hydrogen pipeline is protected through the external pipeline, so that the pipeline is prevented from being corroded due to the fact that the hydrogen pipeline is directly exposed to the soil.
2. The hydrogen pipeline is isolated into a plurality of closed cavities through the external pipeline, the annular baffle and the flexible sealing valve, when hydrogen leakage occurs in a certain cavity, the hydrogen leakage can be immediately detected, warned, prompted and accurately positioned, and workers can immediately know which section of pipeline is leaked.
3. The hydrogen leakage can be detected when pipe fittings such as an elbow, a tee joint, a reducing pipe fitting and the like exist on the hydrogen pipeline.
4. The flexible sealing valve can slow down the damage of pipeline because of external force causes, has improved the compressive strength of pipeline.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
FIG. 2 is a schematic view of the structure of the hydrogen pipeline with a tee joint.
Fig. 3 is a schematic view of the structure of the hydrogen pipeline with an elbow according to the utility model.
Wherein: 1. a hydrogen pipe; 2. an outer pipe; 3. an annular baffle; 4. a flexible sealing valve; 5. a detection device; 6. an alarm positioning device; 7. anticorrosive paint surfaces; 8. the cavity is sealed.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, a buried hydrogen pipeline detection device comprises a hydrogen pipeline 1, wherein an external pipeline 2 is sleeved on the outer side of the hydrogen pipeline 1, annular baffles 3 are welded on the inner walls of at least two ends of the external pipeline 2, a flexible sealing valve 4 is arranged between each annular baffle 3 and the hydrogen pipeline 1, a detection device 5 and an alarm positioning device 6 are arranged between the annular baffles 3 at two ends of the external pipeline 2, and the detection device 5 and the alarm positioning device 6 are electrically connected. The outer wall of the outer pipe 2 is coated with a corrosion-resistant paint 7. A closed cavity 8 is formed among the hydrogen pipeline 1, the external pipeline 2, the annular baffle 3 and the flexible sealing valve 4, and the monitoring end of the detection device 5 penetrates through the external pipeline 2 and then stretches into the closed cavity 8. The hydrogen pipeline 1 is one or a combination of a single pipe pipeline, a bent pipe pipeline, a three-way pipe pipeline and a reducing pipe pipeline which contain welded junctions or do not contain welded junctions. The pipe diameter of the outer pipeline 2 is larger than that of the hydrogen pipeline 1, and the shape of the outer pipeline 2 is matched with and concentric with that of the hydrogen pipeline 1.
The working principle of the utility model is as follows: when the device is used, the hydrogen pipeline 1 is decomposed into a plurality of parts, each part is provided with a set of device, when the hydrogen pipeline 1 leaks, the detection device 5 can detect hydrogen, the leakage point positioning and the alarm are carried out through the alarm positioning device 6, after the information is sent to the main control room, a worker immediately knows that the hydrogen pipeline 1 has the leakage condition according to the related information, and the position of the leakage point can be immediately positioned.
The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the utility model, which are made by those skilled in the art, are included in the protection scope of the utility model without departing from the design concept of the utility model.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (5)
1. The utility model provides a buried hydrogen pipeline detection device, its characterized in that, includes the hydrogen pipeline, the outside of hydrogen pipeline has cup jointed outer pipeline, and the welding has annular baffle on the inner wall of two or more ends of outer pipeline, is equipped with flexible sealing valve between annular baffle and the hydrogen pipeline, and detection device, alarm positioner are installed to outer pipeline between the annular baffle at both ends, detection device, alarm positioner electric connection.
2. The buried hydrogen transfer pipeline inspection device of claim 1 wherein the outer wall of the outer pipeline is coated with an anti-corrosive paint.
3. The buried hydrogen pipeline detection device according to claim 1, wherein a closed cavity is formed among the hydrogen pipeline, the external pipeline, the annular baffle plate and the flexible sealing valve, and a monitoring end of the detection device penetrates through the external pipeline and then penetrates into the closed cavity.
4. The buried hydrogen transfer pipeline inspection device according to claim 1, wherein the hydrogen pipeline is one or more of a single pipe pipeline, a pipe with elbow, a pipe with tee, and a reducing pipeline, or a combination thereof, including a welded junction or not.
5. The buried hydrogen pipe inspection device according to claim 4, wherein the outer pipe has a pipe diameter larger than that of the hydrogen pipe, and the outer pipe has a shape matching and concentric with that of the hydrogen pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685974.2U CN219493880U (en) | 2023-03-31 | 2023-03-31 | Buried hydrogen conveying pipeline detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320685974.2U CN219493880U (en) | 2023-03-31 | 2023-03-31 | Buried hydrogen conveying pipeline detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219493880U true CN219493880U (en) | 2023-08-08 |
Family
ID=87516327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320685974.2U Active CN219493880U (en) | 2023-03-31 | 2023-03-31 | Buried hydrogen conveying pipeline detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219493880U (en) |
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2023
- 2023-03-31 CN CN202320685974.2U patent/CN219493880U/en active Active
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