CN202676411U - Detector for sealing property of gas pipeline - Google Patents
Detector for sealing property of gas pipeline Download PDFInfo
- Publication number
- CN202676411U CN202676411U CN 201220290602 CN201220290602U CN202676411U CN 202676411 U CN202676411 U CN 202676411U CN 201220290602 CN201220290602 CN 201220290602 CN 201220290602 U CN201220290602 U CN 201220290602U CN 202676411 U CN202676411 U CN 202676411U
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- gas pipeline
- pipeline
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- 238000007789 sealing Methods 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 9
- 239000004576 sand Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a detector for a sealing property of a gas pipeline. The detector comprises a gas pressing device, a pressing control valve, a pressure gauge, a pressure release valve and a gas pipeline connection valve. A gas output port of the gas pressing device is connected with one port of the pressing control valve through a pipeline. The other port of the pressing control valve is divided into two paths, wherein one path is connected with one detection connecting port of the pressure gauge via the pipeline, and the other path is connected with one port of the pressure release valve via the pipeline. The other detection connecting port of the pressure gauge is connected with one port of the gas pipeline connection valve via the pipeline. The other port of the gas pipeline connection valve is connected with a detection port of a to-be-detected gas pipeline. The other port of the pressure release valve is communicated with the air. The detector is suitable for detection for sealing properties for various low-pressure gas pipelines, enables safety hidden troubles of the pipelines to be eliminated, and helps to guarantee safety of workers. Moreover, the detector has the advantages of low manufacturing cost, low manual enforcement cost, light weight, convenience in carrying, etc.
Description
Technical field
The utility model relates to a kind of gas pipeline leakproofness detecting device, belongs to gas pipeline leakproofness detection field.
Background technology
Along with socioeconomic development, domestic housing construction scale expanding day, a few days ago, the house gas pipeline is mainly take gas piping as main, the construction and installation of gas piping are directly contracted by Gas Company basically, and building side does not carry out secondary detection to the leakproofness (pressure) of gas piping basically, this shows, there is the problem that can't detect the position in gas piping, can bring hardly imaginable consequence at aspects such as personal safety, properties.
Present existing gas pipeline pressure detector mostly is greatly the electronic devices such as electric air compressor, and is of a great variety.Although electric air compressor can be realized the function to the gas pipeline pressure detection, but there are following shortcomings in it: first, electric air compressor must connect in use power supply and could work, and the weight of electric air compressor is very heavy, therefore, is not having in the situation of power supply, electric air compressor can't use, and in the situation about having a power failure suddenly in not having construction elevator or construction, the high level carrying of electric air compressor etc. just can directly cause the increase of cost of labor; The second, the gas piping pressure testing is unit basically take the family, will be take the family after a building gas piping installs begins airtight detection as unit, and the weight of electric air compressor and the position of panel box will directly affect work efficiency and cost of labor; The 3rd, the detected pressures value of low-pressure gas pipeline is 0.2Mpa, generally, detecting 10 minutes force value, to reduce no more than 0.01 Mpa be qualified, still, and for the gas piping of copper pipe welding technology, small sand holes are that force value is reduced in pressure detection in the welding operation, therefore, electric air compressor can't effectively detect small welding sand holes, has caused potential safety hazard.
The utility model content
The purpose of this utility model is to provide a kind of gas pipeline leakproofness detecting device, and this gas pipeline leakproofness detecting device can detect the leakproofness of various low-pressure gas pipelines, gets rid of the pipeline potential safety hazard.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of gas pipeline leakproofness detecting device, it is characterized in that: it comprises the gas pressure device, suppress operation valve, tensimeter, blowdown valve and gas pipeline connection valve, wherein: the port that the gas output end mouth of this gas pressure device is suppressed operation valve via pipeline and this is connected, two-way is divided in this another port of suppressing operation valve, one the tunnel detects the connectivity port and is connected via manometric one of pipeline and this, another road is connected with a port of this blowdown valve via pipeline, this manometric another detects the connectivity port and is connected with a port of this gas pipeline connection valve via pipeline, the another port of this gas pipeline connection valve is connected with the detection mouth of gas pipeline to be detected, and the another port of this blowdown valve communicates with atmosphere.
Described gas pressure device is inflator.
Described gas pipeline leakproofness detecting device comprises hydraulic control valve, hydraulic pressure tank, efferent duct and sighting tube, wherein: the port that described gas pipeline connection valve is connected with described tensimeter is connected with a port of this hydraulic control valve via pipeline, the another port of this hydraulic control valve is connected with the input port of this hydraulic pressure tank, the delivery outlet of this hydraulic pressure tank is inserted with this efferent duct, one port of this efferent duct is positioned at the bottom of this hydraulic pressure tank, the another port of this efferent duct is positioned at outside this hydraulic pressure tank and is inserted with sighting tube, and the top port of this sighting tube is provided with plug.
Described efferent duct is coating steel pipe.Described sighting tube is the plastic, transparent pipe.
The utility model has the advantages that:
The utility model is applicable to various low-pressure gas pipeline leakproofnesss are detected, get rid of the pipeline potential safety hazard, guarantee personal security, and, the utility model cost of manufacture and artificial implementation cost are low, lightweight, easy to carry, not electricity consumption, the problem of manually slowing down of having avoided the panel box distance and having had a power failure and cause suddenly.
Description of drawings
Fig. 1 is the composition synoptic diagram of the utility model the first embodiment;
Fig. 2 is the composition synoptic diagram of the utility model the second embodiment.
Embodiment
As shown in Figure 1, the utility model gas pipeline leakproofness detecting device comprises gas pressure device 10, suppress operation valve 20, tensimeter 40, blowdown valve 30 and gas pipeline connection valve 50, wherein: the port that the gas output end mouth of this gas pressure device 10 is suppressed operation valve 20 via pipeline and this is connected, two-way is divided in this another port of suppressing operation valve 20, one the tunnel detects the connectivity port via pipeline and this tensimeter 40 one is connected, another road is connected with a port of this blowdown valve 30 via pipeline, another of this tensimeter 40 detects the connectivity port and is connected with a port of this gas pipeline connection valve 50 via pipeline, the another port of this gas pipeline connection valve 50 is connected with the detection mouth of gas pipeline (not shown) to be detected, and the another port of this blowdown valve 30 communicates with atmosphere.
The first embodiment of the utility model gas pipeline leakproofness detecting device shown in Fig. 1 can carry out the force value test to the low-pressure gas pipeline, thereby detect the leakproofness of gas pipeline, the potential safety hazard that the most of gas leakage factor of basic eliminating causes, but, the utility model the first embodiment can't effectively detect the gas leakage that the ducted small welding sand holes of copper cause, therefore, for the gas leakage that small welding sand holes are caused effectively detects, need to increase hydraulic control valve 60 on the basis of the utility model the first embodiment, hydraulic pressure tank 70, efferent duct 81 and sighting tube 82, so just can be by the low-pressure gas pipeline being carried out the leakproofness that force value and hydraulic pressure value test to judge gas pipeline, detect comprising the gas leakage that small welding sand holes are caused, such as Fig. 2, the port that gas pipeline connection valve 50 is connected with tensimeter 40 is connected with a port of this hydraulic control valve 60 via pipeline, the another port of this hydraulic control valve 60 is connected with the input port of this hydraulic pressure tank 70, the delivery outlet of this hydraulic pressure tank 70 is inserted with this efferent duct 81, one port of this efferent duct 81 is positioned at the bottom of this hydraulic pressure tank 70, the another port of this efferent duct 81 is positioned at outside this hydraulic pressure tank 70 and is inserted with sighting tube 82, and the top port of this sighting tube 82 is provided with plug 83.
In actual design, gas pressure device 10 can be inflator, and efferent duct 81 can be coating steel pipe, and sighting tube 82 can be the plastic, transparent pipe.
The below illustrates the course of work of the present utility model with the second embodiment of the present utility model.
Such as Fig. 2, before using the utility model, in hydraulic pressure tank 70, inject an amount of water, the bottom port of efferent duct 81 is in the water, the detection mouth of gas pipeline to be detected and the corresponding port of gas pipeline connection valve 50 are connected.
At first carry out force value test: will suppress operation valve 20, gas pipeline connection valve 50 is opened, close blowdown valve 30 and hydraulic control valve 60, inflate pressurization by 10 pairs of gas pipelines of gas pressure device, observe to this gas pipeline institute plus-pressure by tensimeter 40, when tensimeter 40 shown force value arrive the force value of this gas pipeline pressure value test request, close and suppress operation valve 20, pressurize 5 minutes, if after the pressurize 5 minutes, tensimeter 40 shown force value do not descend, this gas pipeline pressure value test passes then is described, on the contrary defective.
Then carry out water level value test: lay down pressure in this gas pipeline by blowdown valve 30, then close blowdown valve 30, check the efferent duct 81 on the hydraulic pressure tank 70, sighting tube 82, whether plug 83 installs, guarantee good leakproofness, with hydraulic control valve 60 with suppress operation valve 20 and open, gas pipeline connection valve 50 also is open mode at this moment, inflate pressurization by 10 pairs of gas pipelines of gas pressure device, pressure process should be slow, stable to guarantee that the gas pipeline internal pressure rises, when pressurization so that waterborne in the hydraulic pressure tank 70 when rising to the waterline (height of this waterline is determined according to this gas pipeline water level value test request) that indicates on the sighting tube 82, close and suppress operation valve 20, pressurize 20 minutes, if after the pressurize 20 minutes, water level does not descend and the rising that rebounds, and this gas pipeline water level value test passes then is described, otherwise defective.
If gas pipeline has passed through force value test and water level value test, illustrate that then this gas pipeline leakproofness is good, the gas leak phenomenon that does not exist factors such as comprising small welding sand holes to cause can be regarded as safe without hidden danger.
The utility model has the advantages that:
1, the utility model is made simply, and cost of manufacture and artificial implementation cost are low.
2, the utility model is lightweight, and is easy to carry, the carrying problem in having reduced take the family as the unit testing process, improved work efficiency, and, not electricity consumption of the utility model, all valves are manual control, the problem of manually slowing down of having avoided the panel box distance and having had a power failure and cause suddenly.
3, the utility model is applicable to various low-pressure gas pipelines, can detect with interior gas pipeline leakproofness (pressure) at 0.4Mpa pressure, get rid of the pipeline potential safety hazard, guarantee personal security, wherein, the utility model the second embodiment can effectively detect the gas leakage that small welding sand holes cause, and can greatly reduce the potential safety hazard that the welding sand holes cause.
The above is preferred embodiment of the present utility model and the know-why used thereof; for a person skilled in the art; in the situation that does not deviate from spirit and scope of the present utility model; any based on apparent changes such as the equivalent transformation on the technical solutions of the utility model basis, simple replacements, all belong within the utility model protection domain.
Claims (5)
1. gas pipeline leakproofness detecting device, it is characterized in that: it comprises the gas pressure device, suppress operation valve, tensimeter, blowdown valve and gas pipeline connection valve, wherein: the port that the gas output end mouth of this gas pressure device is suppressed operation valve via pipeline and this is connected, two-way is divided in this another port of suppressing operation valve, one the tunnel detects the connectivity port and is connected via manometric one of pipeline and this, another road is connected with a port of this blowdown valve via pipeline, this manometric another detects the connectivity port and is connected with a port of this gas pipeline connection valve via pipeline, the another port of this gas pipeline connection valve is connected with the detection mouth of gas pipeline to be detected, and the another port of this blowdown valve communicates with atmosphere.
2. gas pipeline leakproofness detecting device as claimed in claim 1 is characterized in that:
Described gas pressure device is inflator.
3. gas pipeline leakproofness detecting device as claimed in claim 1 or 2 is characterized in that:
Described gas pipeline leakproofness detecting device comprises hydraulic control valve, hydraulic pressure tank, efferent duct and sighting tube, wherein: the port that described gas pipeline connection valve is connected with described tensimeter is connected with a port of this hydraulic control valve via pipeline, the another port of this hydraulic control valve is connected with the input port of this hydraulic pressure tank, the delivery outlet of this hydraulic pressure tank is inserted with this efferent duct, one port of this efferent duct is positioned at the bottom of this hydraulic pressure tank, the another port of this efferent duct is positioned at outside this hydraulic pressure tank and is inserted with sighting tube, and the top port of this sighting tube is provided with plug.
4. gas pipeline leakproofness detecting device as claimed in claim 3 is characterized in that:
Described efferent duct is coating steel pipe.
5. gas pipeline leakproofness detecting device as claimed in claim 3 is characterized in that:
Described sighting tube is the plastic, transparent pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290602 CN202676411U (en) | 2012-06-15 | 2012-06-15 | Detector for sealing property of gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220290602 CN202676411U (en) | 2012-06-15 | 2012-06-15 | Detector for sealing property of gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202676411U true CN202676411U (en) | 2013-01-16 |
Family
ID=47497310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220290602 Expired - Lifetime CN202676411U (en) | 2012-06-15 | 2012-06-15 | Detector for sealing property of gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202676411U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880380A (en) * | 2015-06-11 | 2015-09-02 | 贵州润晋碳元素材料有限公司 | Handheld borehole defect pressurized detection device for thermal-expansion rock splitting agent |
| CN106404314A (en) * | 2016-11-28 | 2017-02-15 | 歌尔股份有限公司 | Liquid medium leak detector |
| CN114321739A (en) * | 2021-11-25 | 2022-04-12 | 孙东明 | High-efficient intelligent air compressor machine detection auxiliary assembly that leaks |
| CN116717731A (en) * | 2023-05-29 | 2023-09-08 | 中国水利水电第九工程局有限公司 | A kind of catheter tightness test method |
| CN118933754A (en) * | 2024-09-14 | 2024-11-12 | 中国海洋石油集团有限公司 | A formation fluid sampling device |
-
2012
- 2012-06-15 CN CN 201220290602 patent/CN202676411U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880380A (en) * | 2015-06-11 | 2015-09-02 | 贵州润晋碳元素材料有限公司 | Handheld borehole defect pressurized detection device for thermal-expansion rock splitting agent |
| CN104880380B (en) * | 2015-06-11 | 2017-07-07 | 贵州润晋碳元素材料有限公司 | A kind of hand-held thermal expansion stone cracking agent drilling defects pressure testing device |
| CN106404314A (en) * | 2016-11-28 | 2017-02-15 | 歌尔股份有限公司 | Liquid medium leak detector |
| CN114321739A (en) * | 2021-11-25 | 2022-04-12 | 孙东明 | High-efficient intelligent air compressor machine detection auxiliary assembly that leaks |
| CN116717731A (en) * | 2023-05-29 | 2023-09-08 | 中国水利水电第九工程局有限公司 | A kind of catheter tightness test method |
| CN118933754A (en) * | 2024-09-14 | 2024-11-12 | 中国海洋石油集团有限公司 | A formation fluid sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |