CN219756068U - Natural gas interface gas leakage detector - Google Patents
Natural gas interface gas leakage detector Download PDFInfo
- Publication number
- CN219756068U CN219756068U CN202320911306.7U CN202320911306U CN219756068U CN 219756068 U CN219756068 U CN 219756068U CN 202320911306 U CN202320911306 U CN 202320911306U CN 219756068 U CN219756068 U CN 219756068U
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- CN
- China
- Prior art keywords
- cover cylinder
- water
- upper cover
- lower cover
- natural gas
- 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.)
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000007789 gas Substances 0.000 title claims abstract description 26
- 239000003345 natural gas Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 108
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 241000883990 Flabellum Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model relates to the technical field of natural gas leakage detection, and particularly discloses a natural gas interface gas leakage detector which comprises an upper cover cylinder and a lower cover cylinder, wherein one side of the lower cover cylinder is connected with a detector; the inner walls of the upper cover cylinder and the lower cover cylinder are both connected with a gas sensor, one side of the lower cover cylinder, which is far away from the detector, is connected with a rotating seat, one side of the upper cover cylinder is connected with a rotating block which is in rotating fit with the rotating seat, and one side of the upper cover cylinder is connected with a positioning piece; the semicircular openings at the two ends of the upper cover cylinder and the lower cover cylinder are connected with water filling bags, and the bottom of the upper cover cylinder is provided with a liquid pumping part; the upper cover cylinder and the lower cover cylinder are matched and arranged, can be covered at the joint of the pipeline, are cylindrical after being matched, occupy small area around the pipeline, and are convenient for subsequent air leakage detection operation; the gas sensors are arranged on the inner walls of the upper cover cylinder and the lower cover cylinder, so that timely detection of the air leakage condition is facilitated.
Description
Technical Field
The utility model relates to the technical field of natural gas leakage detection, in particular to a natural gas interface gas leakage detector.
Background
In the process of natural gas transportation, pipelines need to be paved, adjacent pipelines are connected through flanges, in order to ensure the safety of natural gas transportation, the joint of the natural gas pipelines needs to be checked for tightness at regular intervals, whether air leakage exists is checked, and an air leakage detector or a device is used for detecting leaked natural gas.
In the gas leakage detection device of the gas pipeline connector disclosed in the prior patent publication No. CN217302506U, the gas leakage detection device comprises an upper shell, a lower shell, a pipeline and a valve, wherein the inner side of the upper part of the upper shell is fixedly connected with a threaded sleeve, the outer side of the threaded sleeve is spirally connected with a threaded block, the outer side of the threaded block is fixedly connected with a gas outlet pipe, one end of the gas outlet pipe is communicated with the inner part of the upper shell, the other end of the gas outlet pipe is communicated with outdoor air, the inner side of the right end face of the gas outlet pipe is fixedly connected with a supporting rod, the outer side of the supporting rod is rotationally connected with a swivel, the outer side of the swivel is fixedly connected with a fan blade, a one-way valve is arranged above the fan blade, the outside of check valve and the inner wall fixed connection of outlet duct pass through outlet duct, bracing piece, swivel, flabellum and infrared sensor that set up, can take place when gas leakage between pipeline and valve, the gas drives the flabellum through the outdoor in-process of check valve discharge and rotates, when infrared sensor detects the rotation of flabellum, the controller control alarm reports to the police, through threaded rod, gasket, sealing washer and the recess that sets up, can be when fixing last casing and lower casing with the threaded rod, through the close contact of sealing washer recess and pipeline, prevented that the gas that leaks from getting into the family of resident.
The device can detect natural gas, but when the upper shell and the lower shell are arranged on the pipeline, the device occupies excessive space around the pipeline, and when a small amount of gas leaks, the device cannot be detected in time, and needs to be improved. Aiming at the problems, a natural gas interface air leakage detector is provided.
Disclosure of Invention
The utility model aims to provide a natural gas interface air leakage detector for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the natural gas interface leakage detector comprises an upper cover cylinder and a lower cover cylinder, wherein one side of the lower cover cylinder is connected with a detector;
the inner walls of the upper cover cylinder and the lower cover cylinder are connected with gas sensors, one side, far away from the detector, of the lower cover cylinder is connected with a rotating seat, one side of the upper cover cylinder is connected with a rotating block in rotating fit with the rotating seat, and one side of the upper cover cylinder is connected with a positioning piece for connecting and fixing the upper cover cylinder and the lower cover cylinder;
the semicircular openings at two ends of the upper cover cylinder and the lower cover cylinder are connected with water filling bags, and a liquid pumping piece for pumping water into the water filling bags is arranged at the bottom of the upper cover cylinder.
In one alternative: the locating piece comprises two groups of locating plates connected to the upper cover cylinder, locating bolts are connected to the locating plates in a threaded mode, and locating holes matched with the locating bolts are formed in the lower cover cylinder.
In one alternative: the water supply device is characterized in that water supply cavities are formed between the inner walls and the outer walls of the upper cover cylinder and the lower cover cylinder, water inlet holes communicated with the water supply cavities are formed in the water filling bags, water discharge ports are formed in the water filling bags, and sealing plugs are connected to the water discharge ports.
In one alternative: the water supply joints are arranged on one sides of the upper cover cylinder and the lower cover cylinder, and the water supply cavity is communicated with the water supply joints.
In one alternative: the liquid pumping piece comprises a water tank and a water pump which are arranged at the bottom of the upper cover cylinder, the water tank is connected with a liquid inlet end of the water pump through a water pumping pipe, a liquid outlet end of the water pump is connected with a water delivery pipe, and the liquid outlet end of the water delivery pipe is connected with two groups of connecting pipes through a three-way joint.
In one alternative: the water tank is equipped with the water inlet far away from drinking-water pipe one side, connect sealed lid on the water inlet, be equipped with the gas pocket on the sealed lid.
In one alternative: rubber pads are connected to one sides of the upper cover cylinder and the lower cover cylinder, which are close to each other.
In one alternative: the handles are connected to the sides of the upper cover cylinder and the lower cover cylinder, which are far away from each other.
Compared with the prior art, the utility model has the beneficial effects that:
the upper cover cylinder and the lower cover cylinder are matched and arranged, can be covered at the joint of the pipeline, are cylindrical after being matched, occupy small area around the pipeline, and are convenient for subsequent air leakage detection operation;
in the utility model, the inner walls of the upper cover cylinder and the lower cover cylinder are provided with the gas sensors, so that the timely detection of the gas leakage condition is facilitated;
the utility model is convenient to be arranged at the pipeline and convenient to be dismantled and carried after being used.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the present utility model where the rotating block is disposed.
FIG. 3 is a schematic view showing the structure of the upper and lower cover cylinders according to the present utility model.
In the figure: 11. an upper cover cylinder; 12. a lower cover cylinder; 13. a detector; 14. a handle; 15. a water supply joint; 16. a water filling bag; 17. a water tank; 18. a water pumping pipe; 19. a water pump; 20. a water supply pipe; 21. a connecting pipe; 22. a rotating block; 23. a rotating seat; 24. a gas sensor; 25. a positioning plate; 26. positioning bolts; 27. and positioning holes.
Detailed Description
Example 1
Referring to fig. 1-3, in an embodiment of the present utility model, a natural gas interface leakage detector includes an upper cover cylinder 11 and a lower cover cylinder 12, wherein one side of the lower cover cylinder 12 is connected with a detector 13; the detector 13 may be a control instrument in an existing detection device for detecting control operations, checking and transmitting data, etc.;
the inner walls of the upper cover cylinder 11 and the lower cover cylinder 12 are connected with a gas sensor 24, and the gas sensor 24 is convenient for timely detecting the gas leakage condition; the side of the lower cover cylinder 12, which is far away from the detector 13, is connected with a rotating seat 23, one side of the upper cover cylinder 11 is connected with a rotating block 22 which is in rotating fit with the rotating seat 23, and the upper cover cylinder 11 and the lower cover cylinder 12 can rotate around the rotating joint of the rotating block 22 and the rotating seat 23; one side of the upper cover cylinder 11 is connected with a positioning piece for connecting and fixing the upper cover cylinder 11 and the lower cover cylinder 12;
the semicircular openings at the two ends of the upper cover cylinder 11 and the lower cover cylinder 12 are connected with water filling bags 16, a liquid pumping piece for pumping water into the water filling bags 16 is arranged at the bottom of the upper cover cylinder 11, and when the water filling bags 16 are filled with water, gaps between the semicircular openings and the natural gas pipeline can be filled.
As shown in fig. 3, the positioning member comprises two groups of positioning plates 25 connected to the upper cover cylinder 11, positioning bolts 26 are connected to the positioning plates 25 in a threaded manner, and positioning holes 27 matched with the positioning bolts 26 are formed in the lower cover cylinder 12;
when the upper cover cylinder 11 and the lower cover cylinder 12 are in contact, the positioning bolts 26 are placed in the positioning holes 27, so that the upper cover cylinder 11 can be fixed on the lower cover cylinder 12, as shown in fig. 1.
A water feeding cavity is arranged between the inner walls and the outer walls of the upper cover cylinder 11 and the lower cover cylinder 12, and a water inlet communicated with the water feeding cavity is arranged on the water filling bag 16; the water filling bag 16 is provided with a water outlet, the water outlet is connected with a sealing plug, and water entering the water feeding cavity can enter the water filling bag 16 through a water inlet.
The water supply joint 15 is arranged on one side of the upper cover cylinder 11 and one side of the lower cover cylinder 12, and the water supply cavity is communicated with the water supply joint 15.
The liquid pumping piece comprises a water tank 17 and a water pump 19 which are arranged at the bottom of the upper cover cylinder 11, the water tank 17 is connected with the liquid inlet end of the water pump 19 through a water pumping pipe 18, the liquid outlet end of the water pump 19 is connected with a water delivery pipe 20, and the liquid outlet end of the water delivery pipe 20 is connected with two groups of connecting pipes 21 through a three-way joint; the connecting pipe 21 can be connected with the water supply joint 15, the water pump 19 is operated to pump the water of the water tank 17 to the water supply pipe 20, and then the water is sent to the water supply cavity through the connecting pipe 21, and then the water enters the water filling bag 16.
A water inlet is formed in one side, far away from the water suction pipe 18, of the water tank 17, a sealing cover is connected to the water inlet, and an air hole is formed in the sealing cover; the arrangement of the air holes prevents the pressure in the water tank 17 from being too low.
Rubber pads are connected to the sides, close to the upper cover cylinder 11 and the lower cover cylinder 12, of the upper cover cylinder 11 and the lower cover cylinder 12, and sealing performance after the upper cover cylinder 11 and the lower cover cylinder 12 are closed is improved.
In this embodiment, the upper cover cylinder 11 and the lower cover cylinder 12 are opened, then the air leakage on the alignment pipeline is detected, the upper cover cylinder 11 and the lower cover cylinder 12 are closed, the positioning bolts 26 are placed in the positioning holes 27, the upper cover cylinder 11 can be fixed on the lower cover cylinder 12, the water pump 19 works to pump the water of the water tank 17 to the water delivery pipe 20, then the water is delivered to the water delivery cavity through the connecting pipe 21, then the water enters the water filling bag 16, when the water filling bag 16 is filled with water, the gap between the semicircular opening and the natural gas pipeline can be filled, and when the air leakage occurs, the air sensor 24 detects the air leakage and can be checked on the detector 13.
Example 2
In contrast to embodiment 1, the handles 14 are connected to the sides of the upper cover cylinder 11 and the lower cover cylinder 12 which are far away from each other;
in this embodiment, the handle 14 is convenient to use, and is convenient for operation when the detector is installed or operation when the detector is carried.
Claims (8)
1. The natural gas interface leakage detector comprises an upper cover cylinder (11) and a lower cover cylinder (12), wherein one side of the lower cover cylinder (12) is connected with a detector (13);
the method is characterized in that: the gas sensor (24) is connected to the inner walls of the upper cover cylinder (11) and the lower cover cylinder (12), one side, far away from the detector (13), of the lower cover cylinder (12) is connected with the rotating seat (23), one side of the upper cover cylinder (11) is connected with the rotating block (22) in rotating fit with the rotating seat (23), and one side of the upper cover cylinder (11) is connected with the positioning piece for connecting and fixing the upper cover cylinder (11) and the lower cover cylinder (12);
the semicircular openings at two ends of the upper cover cylinder (11) and the lower cover cylinder (12) are connected with a water filling bag (16), and a liquid pumping piece for pumping water into the water filling bag (16) is arranged at the bottom of the upper cover cylinder (11).
2. A natural gas interface leak detector as defined in claim 1, wherein: the locating piece comprises two groups of locating plates (25) connected to the upper cover cylinder (11), locating bolts (26) are connected to the locating plates (25) in a threaded mode, and locating holes (27) matched with the locating bolts (26) are formed in the lower cover cylinder (12).
3. A natural gas interface leak detector as defined in claim 1, wherein: a water feeding cavity is arranged between the inner walls and the outer walls of the upper cover cylinder (11) and the lower cover cylinder (12), a water inlet communicated with the water feeding cavity is arranged on the water filling bag (16), a water outlet is arranged on the water filling bag (16), and a sealing plug is connected to the water outlet.
4. A natural gas interface leak detector as defined in claim 3, wherein: the water supply joint (15) is arranged on one side of the upper cover cylinder (11) and one side of the lower cover cylinder (12), and the water supply cavity is communicated with the water supply joint (15).
5. A natural gas interface leak detector as defined in claim 1, wherein: the liquid pumping piece comprises a water tank (17) and a water pump (19) which are arranged at the bottom of the upper cover cylinder (11), the water tank (17) is connected with the liquid inlet end of the water pump (19) through a water pumping pipe (18), the liquid outlet end of the water pump (19) is connected with a water delivery pipe (20), and the liquid outlet end of the water delivery pipe (20) is connected with two groups of connecting pipes (21) through a three-way joint.
6. A natural gas interface leak detector as defined in claim 5, wherein: the water tank (17) is provided with a water inlet on one side far away from the water suction pipe (18), the water inlet is connected with a sealing cover, and the sealing cover is provided with an air hole.
7. A natural gas interface leak detector as defined in claim 1, wherein: and the sides of the upper cover cylinder (11) and the lower cover cylinder (12) close to each other are connected with rubber pads.
8. A natural gas interface leak detector as defined in claim 1, wherein: the handles (14) are connected to the sides, away from the upper cover cylinder (11) and the lower cover cylinder (12), of the upper cover cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320911306.7U CN219756068U (en) | 2023-04-19 | 2023-04-19 | Natural gas interface gas leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320911306.7U CN219756068U (en) | 2023-04-19 | 2023-04-19 | Natural gas interface gas leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219756068U true CN219756068U (en) | 2023-09-26 |
Family
ID=88071653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320911306.7U Active CN219756068U (en) | 2023-04-19 | 2023-04-19 | Natural gas interface gas leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219756068U (en) |
-
2023
- 2023-04-19 CN CN202320911306.7U patent/CN219756068U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |