CN206770995U - A kind of gas pipeline leakage detection means - Google Patents
A kind of gas pipeline leakage detection means Download PDFInfo
- Publication number
- CN206770995U CN206770995U CN201720662927.0U CN201720662927U CN206770995U CN 206770995 U CN206770995 U CN 206770995U CN 201720662927 U CN201720662927 U CN 201720662927U CN 206770995 U CN206770995 U CN 206770995U
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- China
- Prior art keywords
- sealed wall
- semicircle
- straight
- seal
- sealing
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Links
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 95
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 60
- 239000003345 natural gas Substances 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a kind of gas pipeline leakage detection means, including the first seal, second seal, sealing joint strip and fastener, first seal and second seal are socketed on natural gas line by fastener sealing, wherein, the sealing joint strip is arranged between first seal and second seal, observation window is additionally provided with first seal, water injection valve and pressure gauge, wherein, the observation window is arranged on first seal and can observed by the first seal, the situation in cavity that second seal and natural gas line sealing cooperatively form, the water injection valve being capable of the water filling into the cavity, the pressure gauge can detect the pressure in the cavity.Leak detecting device described in the utility model detects two kinds of different detection means by pressure detecting and bag water, makes testing result accurate.
Description
Technical field
The utility model belongs to pipeline leakage testing installations and facilities technical field, and in particular to a kind of gas pipeline leakage
Detection means.
Background technology
Natural gas is a kind of gas for the colorless and odorless that main component is methane, because natural gas has relatively low blast pole
Limit, so natural gas belongs to Class A Hazardous Chemical Substances, once natural gas leaking, will be mixed with air, so as to form explosivity
Mixed gas, after running into burning things which may cause a fire disaster, the security incidents such as fire or blast will be triggered.In the world, 90% natural gas all passes through
What pipeline was conveyed, therefore, pipe leakage turns into matter of utmost importance of the natural gas in course of conveying, the inspection for pipe leakage
Survey and be also therefore particularly important.
For example, the patent application document of Chinese utility model patent Application No. 201520755819.9 discloses a kind of day
Right feed channel leak detecting device, it is characterised in that：Protection tube (2) is socketed with natural-gas transfer pipeline (1) periphery, it is described
Confined space (3) is formed between natural-gas transfer pipeline (1) and protection tube (2), is set respectively at the protection tube (2) both ends
The air inlet pipe (4) connected with confined space (3) and escape pipe (5) are equipped with, the air inlet pipe (4) is connected with blowning installation (6),
Inlet end pressure sensor (7) and inlet end gas flow sensor (8), the outlet are provided with the air inlet pipe (4)
Pipe (5) be connected with gas concentration detection apparatus (9), be provided with the escape pipe (5) outlet side pressure sensor (10) with
And outlet side gas flow sensor (11), the blowning installation (6), gas concentration detection apparatus (9), inlet end pressure sensing
Device (7), inlet end gas flow sensor (8), outlet side pressure sensor (10) and outlet side gas flow sensor
(11) electrically connected respectively with control system.
Gas pipeline leakage detection means of the prior art, following technology in the application process of reality be present and ask
Topic：
The detection of natural gas leaking is carried out using pressure sensor and flow sensor, the result of detection is not accurate enough.
Utility model content
The utility model provides a kind of gas pipeline leakage detection means, and the leak detecting device passes through pressure detecting
Two kinds of different detection means are detected with bag water, make testing result accurate.
A kind of gas pipeline leakage detection means, including the first seal, the second seal, sealing joint strip and fastening
Part, first seal and second seal are socketed on natural gas line by fastener sealing, wherein, institute
State sealing joint strip to be arranged between first seal and second seal, sight is additionally provided with first seal
Window, water injection valve and pressure gauge are examined, wherein, the observation window is arranged on first seal and can observed by the first sealing
The situation in cavity that body, the second seal and natural gas line sealing cooperatively form, the water injection valve can be to the cavity
Interior water filling, the pressure gauge can detect the pressure in the cavity.
Further, first seal includes the first straight sealed wall, the second straight sealed wall, the sealing of the first semicircle
Wall and the second semicircle sealed wall, it is close that second seal includes the 3rd straight sealed wall, the 4th straight sealed wall, the 3rd semicircle
Wall and the 4th semicircle sealed wall are sealed, the first straight sealed wall, which seals, is matched with the 3rd straight sealed wall, and described second
Straight sealed wall sealing is matched with the 4th straight sealed wall, the first semicircle sealed wall and the 3rd semicircle sealed wall
Seal and coordinate with one end of the natural gas line, the second semicircle sealed wall and the 4th semicircle sealed wall and the day
The other end sealing of right feed channel coordinates, wherein, the first straight sealed wall is matched with described by fastener sealing
3rd straight sealed wall, the second straight sealed wall are matched with the 4th straight sealed wall by fastener sealing.
Further, it is close to include the first straight sealing joint strip, the second straight sealing joint strip, the first semicircle for the sealing joint strip
Seal strip, the second semicircle sealing joint strip, the 3rd semicircle sealing joint strip and the 4th semicircle sealing joint strip, the first straight fluid sealant
Bar is fixedly installed on the described first straight sealed wall, and it is straight close that the second straight sealing joint strip is fixedly installed on described second
Feng Bi, the first semicircle sealing joint strip are fixedly installed on the first semicircle sealed wall, the second semicircle sealing joint strip
It is fixedly installed on the second semicircle sealed wall, the 3rd semicircle sealing joint strip is fixedly installed on the 3rd semicircle sealing
Wall, the 4th semicircle sealing joint strip are fixedly installed on the 4th semicircle sealed wall.
Further, the material of the sealing joint strip is silica gel.
Further, the fastener includes straight sealed wall fastening bolt and semicircle sealed wall fastening bolt, and described
One straight sealed wall is matched with the 3rd straight sealed wall by the straight sealed wall fastening bolt sealing, and described second is flat
Straight sealed wall is matched with the 4th straight sealed wall by the straight sealed wall fastening bolt sealing, and first semicircle is close
Envelope wall is connected to the 3rd semicircle sealed wall by the semicircle sealed wall fastening bolt, and the second semicircle sealed wall passes through
The semicircle sealed wall fastening bolt is connected to the 4th semicircle sealed wall.
Compared with prior art, superior effect of the present utility model is：
1st, gas pipeline leakage detection means described in the utility model, by be equipped with observation window, water injection valve and
Pressure gauge, the detection for enabling the leak detecting device to be leaked by two kinds of different detection modes, the result of detection
Accurately；
2nd, gas pipeline leakage detection means described in the utility model, by being equipped with sealing joint strip and fastening
Part, make the leak detecting device good sealing effect.
Brief description of the drawings
Fig. 1 is the schematic diagram of gas pipeline leakage detection means described in the utility model；
Fig. 2 is the expanded schematic diagram of gas pipeline leakage detection means described in the utility model.
Reference is as follows：
The seals of 1- first, 11- observation windows, 12- water injection valves, 13- pressure gauges, the first straight sealed walls of 14-, 15- second
Straight sealed wall, the first semicircles of 16- sealed wall, the second semicircles of 17- sealed wall, the seals of 2- second, the 3rd straight sealings of 21-
Wall, the 4th straight sealed walls of 22-, the semicircle sealed walls of 23- the 3rd, the semicircle sealed walls of 24- the 4th, 3- sealing joint strips, 31- first are flat
Straight sealing joint strip, the second straight sealing joint strips of 32-, the first semicircles of 33- sealing joint strip, the second semicircles of 34- sealing joint strip, 35- the
Three semicircle sealing joint strips, the semicircle sealing joint strips of 36- the 4th, 4- fasteners, 41- is straight sealed wall fastening bolt, the sealing of 42- semicircles
Wall fastening bolt.
Embodiment
The utility model embodiment is described in further detail below.
As shown in accompanying drawing 1-2, a kind of gas pipeline leakage detection means, including the first seal 1, the second seal 2,
Sealing joint strip 3 and fastener 4, first seal 1 and second seal 2 are socketed in by the fastener 4 sealing
On natural gas line, wherein, the sealing joint strip 3 is arranged between first seal 1 and second seal 2, institute
State and observation window 11, water injection valve 12 and pressure gauge 13 are additionally provided with the first seal 1, wherein, the observation window 11 is arranged on institute
State on the first seal 1 and can observe what is cooperatively formed by the sealing of the first seal 1, the second seal 2 and natural gas line
Situation in cavity, the water injection valve 12 can the water filling into the cavity, the pressure gauge 13 can be detected in the cavity
Pressure.
Further, first seal 1 includes the first straight sealed wall 14, the second straight sealed wall 15, the first half
The circle semicircle sealed wall 17 of sealed wall 16 and second, second seal 2 include the 3rd straight sealed wall 21, the 4th straight sealing
Wall 22, the 3rd semicircle sealed wall 23 and the 4th semicircle sealed wall 24, the first straight sealed wall 14 sealing are matched with described the
Three straight sealed walls 21, the second straight sealed wall 15 sealing are matched with the described 4th straight sealed wall 22, and described the first half
One end sealing of circle sealed wall 16 and the 3rd semicircle sealed wall 23 and the natural gas line coordinates, and second semicircle is close
The other end sealing for sealing wall 17 and the 4th semicircle sealed wall 24 and the natural gas line coordinates, wherein, described first is flat
Straight sealed wall 14 is matched with the described 3rd straight sealed wall 21, the second straight sealed wall 15 by the fastener 4 sealing
Described 4th straight sealed wall 22 is matched with by the fastener 4 sealing.
Further, the sealing joint strip 3 includes the first straight sealing joint strip 31, the second straight sealing joint strip 32, first
Semicircle sealing joint strip 33, the second semicircle sealing joint strip 34, the 3rd semicircle sealing joint strip 35 and the 4th semicircle sealing joint strip 36, it is described
First straight sealing joint strip 31 is fixedly installed on the described first straight sealed wall 14, and the second straight sealing joint strip 32 is fixed
The described second straight sealed wall 15 is arranged on, the first semicircle sealing joint strip 33 is fixedly installed on the first semicircle sealed wall
On 16, the second semicircle sealing joint strip 34 is fixedly installed on the second semicircle sealed wall 17, the 3rd semicircle sealing
Adhesive tape 35 is fixedly installed on the 3rd semicircle sealed wall 23, and the 4th semicircle sealing joint strip 36 is fixedly installed on the described 4th
On semicircle sealed wall 24.
Further, the material of the sealing joint strip 3 is silica gel.
Further, the fastener 4 includes straight sealed wall fastening bolt 41 and semicircle sealed wall fastening bolt 42, institute
State the first straight sealed wall 14 and the described 3rd straight sealed wall 21 be matched with by the straight sealing of sealed wall fastening bolt 41,
The second straight sealed wall 15 is matched with the described 4th straight sealing 22 by the straight sealing of sealed wall fastening bolt 41,
The first semicircle sealed wall 16 is connected to the 3rd semicircle sealed wall 23, institute by the semicircle sealed wall fastening bolt 42
State the second semicircle sealed wall 17 and the 4th semicircle sealed wall 24 is connected to by the semicircle sealed wall fastening bolt 42.
The use process of leak detecting device described in the utility model is as follows：
Pressure detecting process：First seal 1 and the second seal 2 are sealed into socket by sealing joint strip 3 and fastener 4
On natural gas line, a certain amount of gas is injected by water injection valve 12 to determine the first seal 1, the second seal 2 and day
Good seal between right feed channel, opens water injection valve 12, discharges injection gas, the first seal 1, the and of the second seal 2
The pressure in cavity that natural gas line is formed is identical with ambient pressure, closes water injection valve 12, checks that the change of pressure gauge 13 comes
Determine whether natural gas line leaks.
Bag water detection process：First seal 1 and the second seal 2 are sealed into socket by sealing joint strip 3 and fastener 4
On natural gas line, in the cavity that is formed by water injection valve 12 to the first seal 1, the second seal 2 and natural gas line
Water filling, treat that water completely encases natural gas line, keep the open mode of water injection valve 12, gas has been detected whether by observation window 11
Bubble is produced to determine whether natural gas line leaks.
The utility model is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present utility model,
It may occur to persons skilled in the art that any deformation, improvement, replacement each fall within the scope of protection of the utility model.
Claims (5)
1. a kind of gas pipeline leakage detection means, including the first seal, the second seal, sealing joint strip and fastener,
First seal and second seal are socketed on natural gas line by fastener sealing, wherein, it is described
Sealing joint strip is arranged between first seal and second seal, it is characterised in that on first seal
Observation window, water injection valve and pressure gauge are additionally provided with, wherein, the observation window is arranged on first seal and can observed
The situation in cavity cooperatively formed by the sealing of the first seal, the second seal and natural gas line, the water injection valve can
The water filling into the cavity, the pressure gauge can detect the pressure in the cavity.
2. gas pipeline leakage detection means according to claim 1, it is characterised in that first seal includes
First straight sealed wall, the second straight sealed wall, the first semicircle sealed wall and the second semicircle sealed wall, the second seal bag
The 3rd straight sealed wall, the 4th straight sealed wall, the 3rd semicircle sealed wall and the 4th semicircle sealed wall are included, described first is straight close
Envelope wall sealing is matched with the 3rd straight sealed wall, and the second straight sealed wall sealing is matched with the 4th straight sealing
One end sealing of wall, the first semicircle sealed wall and the 3rd semicircle sealed wall and the natural gas line coordinates, described
The other end sealing of second semicircle sealed wall and the 4th semicircle sealed wall and the natural gas line coordinates, wherein, it is described
First straight sealed wall is matched with the 3rd straight sealed wall by fastener sealing, and the second straight sealed wall leads to
Cross the fastener sealing and be matched with the 4th straight sealed wall.
3. gas pipeline leakage detection means according to claim 2, it is characterised in that the sealing joint strip includes the
One straight sealing joint strip, the second straight sealing joint strip, the first semicircle sealing joint strip, the second semicircle sealing joint strip, the 3rd semicircle are close
Seal strip and the 4th semicircle sealing joint strip, the first straight sealing joint strip are fixedly installed on the described first straight sealed wall,
The second straight sealing joint strip is fixedly installed on the described second straight sealed wall, the first semicircle sealing joint strip fixed setting
On the first semicircle sealed wall, the second semicircle sealing joint strip is fixedly installed on the second semicircle sealed wall, institute
State the 3rd semicircle sealing joint strip and be fixedly installed on the 3rd semicircle sealed wall, the 4th semicircle sealing joint strip is fixedly installed on
On the 4th semicircle sealed wall.
4. gas pipeline leakage detection means according to claim 3, it is characterised in that the material of the sealing joint strip
For silica gel.
5. gas pipeline leakage detection means according to claim 3, it is characterised in that the fastener includes straight
Sealed wall fastening bolt and semicircle sealed wall fastening bolt, the first straight sealed wall fasten spiral shell by the straight sealed wall
Bolt sealing is matched with the 3rd straight sealed wall, and the second straight sealed wall is close by the straight sealed wall fastening bolt
Envelope is matched with the 4th straight sealed wall, and the first semicircle sealed wall is connected to by the semicircle sealed wall fastening bolt
The 3rd semicircle sealed wall, the second semicircle sealed wall are connected to the described 4th by the semicircle sealed wall fastening bolt
Semicircle sealed wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662927.0U CN206770995U (en) | 2017-06-08 | 2017-06-08 | A kind of gas pipeline leakage detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662927.0U CN206770995U (en) | 2017-06-08 | 2017-06-08 | A kind of gas pipeline leakage detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770995U true CN206770995U (en) | 2017-12-19 |
Family
ID=60636502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720662927.0U Expired - Fee Related CN206770995U (en) | 2017-06-08 | 2017-06-08 | A kind of gas pipeline leakage detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206770995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118309A (en) * | 2019-06-13 | 2019-08-13 | 新天绿色能源股份有限公司 | A kind of Monitoring Pinpelines device |
| CN111623247A (en) * | 2020-05-06 | 2020-09-04 | 安徽省天然气开发股份有限公司 | Portable natural gas pipeline detection device |
-
2017
- 2017-06-08 CN CN201720662927.0U patent/CN206770995U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118309A (en) * | 2019-06-13 | 2019-08-13 | 新天绿色能源股份有限公司 | A kind of Monitoring Pinpelines device |
| CN111623247A (en) * | 2020-05-06 | 2020-09-04 | 安徽省天然气开发股份有限公司 | Portable natural gas pipeline detection device |
| CN111623247B (en) * | 2020-05-06 | 2021-11-30 | 安徽省天然气开发股份有限公司 | Portable natural gas pipeline detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 |