CN109458564A - A kind of nitrogen gas delivery-line gas leakage detection and interim device for plugging - Google Patents
A kind of nitrogen gas delivery-line gas leakage detection and interim device for plugging Download PDFInfo
- Publication number
- CN109458564A CN109458564A CN201811298673.4A CN201811298673A CN109458564A CN 109458564 A CN109458564 A CN 109458564A CN 201811298673 A CN201811298673 A CN 201811298673A CN 109458564 A CN109458564 A CN 109458564A
- Authority
- CN
- China
- Prior art keywords
- semi
- circular tube
- plugging
- leakage detection
- gas leakage
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000007789 gas Substances 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 23
- 229910001873 dinitrogen Inorganic materials 0.000 title claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052742 iron Inorganic materials 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 14
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to nitrogen conveying technology fields, more particularly to a kind of nitrogen gas delivery-line gas leakage detects and interim device for plugging, including semi-circular tube, the quantity of the semi-circular tube is two, the both ends of the semi-circular tube are respectively arranged with semicircular ring, and it is respectively embedded on semi-circular tube and lens is installed, first sliding groove is offered respectively on the outer wall of the semi-circular tube, the direction of the first sliding groove is consistent with the direction of semi-circular tube long axis, and one end of magnet block is inserted in first sliding groove, second sliding slot is offered respectively on the inner wall of the semi-circular tube, the second sliding slot is parallel with first sliding groove, and one end of iron block is inserted in second sliding slot, the iron block is connect with magnet Block- matching, present apparatus operating process is convenient and simple, gas leakage detection efficiency can effectively be improved, and after detecting, when not removing device, device may be used as temporarily stifled Leakage device.
Description
Technical field
The present invention relates to nitrogen conveying technology field more particularly to a kind of nitrogen gas delivery-line gas leakage detections and interim leak stopping
Device.
Background technique
Nitrogen, chemical formula N2, it is a kind of gas of colorless and odorless under usual condition, and general nitrogen compares atmospheric density
Small, it is the main ingredient of air, nitrogen is typically used as in industrial production that nitrogen, which accounts for 78.08% (volume fraction) of atmosphere total amount,
Protect gas.It in nitrogen use process, is generally conveyed by pipeline, pipeline prolonged use will lead to pipeline and leak
The phenomenon that gas, in order to find out air leakage point, traditional method is exactly to be observed after the artificial suds of smearing repeatedly on pipeline, this
Kind smearing mode inefficiency, and then cause gas leakage detection speed slow.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of nitrogen gas delivery-line leakage proposed
Gas detection and interim device for plugging.
To achieve the goals above, present invention employs following technical solutions:
A kind of nitrogen gas delivery-line gas leakage detection and interim device for plugging, including semi-circular tube, the quantity of the semi-circular tube are two,
The both ends of the semi-circular tube are respectively arranged with semicircular ring, and are respectively embedded on semi-circular tube and are equipped with lens, outside the semi-circular tube
First sliding groove is offered on wall respectively, the direction of the first sliding groove is consistent with the direction of semi-circular tube long axis, and first sliding groove
It is inside inserted with one end of magnet block, offers second sliding slot, the second sliding slot and first on the inner wall of the semi-circular tube respectively
Sliding slot is parallel, and one end of iron block is inserted in second sliding slot, and the iron block is connect with magnet Block- matching, and iron block is far from magnetic
One end of iron block is connected with one end of fixed link, and the other end of the fixed link offers mounting groove, plugs in the mounting groove
There is telescopic rod, spring is placed between the telescopic rod and the inner wall of mounting groove, and telescopic rod is glued far from one end of mounting groove
There is unit of plastic, the unit of plastic is arc-shaped, and the inner wall gluing of unit of plastic is connected to sponge block.
Preferably, it is respectively set on the outer wall of the semi-circular tube there are two fixed block, is offered respectively on the fixed block
Equally distributed screw hole.
Preferably, pressure gauge and exhaust outlet are provided on the semi-circular tube.
Preferably, shut-off valve is installed on the exhaust outlet.
Preferably, the outer diameter of the semi-circular tube is equal to the outer diameter of semicircular ring, and the internal diameter of semi-circular tube is less than the interior of semicircular ring
Diameter.
Preferably, rubber layer is respectively arranged on the semi-circular tube and the inner wall of semicircular ring.
Preferably, the area of the lens is not less than the half of semi-circular tube area.
Preferably, safety valve is installed on the semi-circular tube.
The beneficial effects of the present invention are:
1, it determines leak area, two pieces of semi-circular tubes is clipped in the outside of nitrogen pipeline to be detected, and will be consolidated with screw and nut
Determine block to connect, rubber layer between semi-circular tube clamps at this time, and the rubber layer in semicircular ring and nitrogen pipeline clamp, device with
Nitrogen pipeline forms a sealing area, observes pressure gauge reading, if pressure gauge reading rises, this block region gas leakage, if pressure
Power meter reading is constant, and the area Ze Zhekuai is air tight, finds at this time to other regions from new.
2, after determining that air leakage point, leak area determine, magnet block is pulled, magnet block drives iron block mobile, and iron block moves
It is able to drive fixed link when dynamic and telescopic rod is mobile, it is final to drive unit of plastic mobile, it is soaked in advance on sponge block when unit of plastic is mobile
The suds of stain can be applied on nitrogen pipeline, after smearing, opened the shut-off valve on exhaust outlet, be bubbled by lens inspection
Point, determines air leakage point, and entire smearing operation carries out in the environment of an opposing seal, and slowly, suds are not allowed for gas flowing
It is easily evaporated, avoids the worry for applying suds repeatedly, facilitate the observation of operator.
3, spring is provided between fixed link and telescopic rod, when the springs are compressed, sponge block contacts tightly with nitrogen pipeline
It is close, it is uniform to guarantee that suds are smeared.
In conclusion present apparatus operating process is convenient and simple, gas leakage detection efficiency can be effectively improved, and detection finishes
Afterwards, when not removing device, device may be used as interim device for plugging.
Detailed description of the invention
Fig. 1 is a kind of nitrogen gas delivery-line gas leakage detection proposed by the present invention and the front view structure signal of interim device for plugging
Figure；
Fig. 2 is the overlooking structure diagram of a kind of nitrogen gas delivery-line gas leakage detection proposed by the present invention and interim device for plugging；
Fig. 3 is the side structure schematic view of a kind of nitrogen gas delivery-line gas leakage detection proposed by the present invention and interim device for plugging；
Fig. 4 is the schematic cross-sectional view of semi-circular tube proposed by the present invention and semicircular ring；
Fig. 5 is the schematic cross-sectional view of semi-circular tube proposed by the present invention；
Fig. 6 is the structural schematic diagram of fixed link proposed by the present invention.
In figure: 1 semi-circular tube, 2 lens, 3 pressure gauges, 4 exhaust outlets, 5 fixed blocks, 6 rubber layers, 7 first sliding grooves, 8 magnet blocks,
9 semicircular rings, 10 iron blocks, 11 fixed links, 12 telescopic rods, 13 unit of plastics, 14 sponge blocks, 15 springs.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-6, a kind of nitrogen gas delivery-line gas leakage detection and interim device for plugging, including semi-circular tube 1, the semicircle
The quantity of pipe 1 is two, and the both ends of the semi-circular tube 1 are respectively welded semicircular ring 9, and are respectively embedded into and are equipped on semi-circular tube 1
Lens 2 offer first sliding groove 7, the direction of the first sliding groove 7 and 1 long axis of semi-circular tube on the outer wall of the semi-circular tube 1 respectively
Direction it is consistent, and be inserted with one end of magnet block 8 in first sliding groove 7, offer on the inner wall of the semi-circular tube 1 respectively
Two sliding slots, the second sliding slot is parallel with first sliding groove 7, and one end of iron block 10 is inserted in second sliding slot, the iron block
10 match connection with magnet block 8, and iron block 10 is connected with one end of fixed link 11, the fixed link far from one end of magnet block 8
11 other end offers mounting groove, and telescopic rod 12, the inner wall of the telescopic rod 12 and mounting groove are inserted in the mounting groove
Between be placed with spring 15, and telescopic rod 12 is glued far from one end of mounting groove unit of plastic 13, and the unit of plastic 13 is circular arc
Shape, and the inner wall gluing of unit of plastic 13 is connected to sponge block 14, sponge block 14 is also arc-shaped.
Further, it is respectively set on the outer wall of semi-circular tube 1 there are two fixed block 5, is offered respectively on the fixed block 5
Equally distributed screw hole.
Further, pressure gauge 3 and exhaust outlet 4 are provided on semi-circular tube 1, the selection of pressure gauge 3 is identical as on nitrogen pipeline
Pressure gauge.
Further, shut-off valve is installed on exhaust outlet 4.
Further, the outer diameter of semi-circular tube 1 is equal to the outer diameter of semicircular ring 9, and the internal diameter of semi-circular tube 1 is less than semicircular ring 9
Internal diameter.
Further, it is respectively arranged with rubber layer 6 on semi-circular tube 1 and the inner wall of semicircular ring 9, rubber layer 6 can be improved dress
The air-tightness set.
Further, the area of lens 2 is not less than the half of 1 area of semi-circular tube, and the area of lens 2 is big, convenient to semicircle
Nitrogen pipeline inside pipe 1 is observed.
Further, safety valve is installed, safety valve can play a protective role to device, prevent pressure on semi-circular tube 1
It is excessive that lens 2 is caused to rupture.
In the present embodiment, leak area is determined, select suitable device, so that the internal diameter of semicircular ring 9 is slightly larger than nitrogen tube
Two pieces of semi-circular tubes 1 are clipped in the outside of nitrogen pipeline to be detected, and are connected fixed block 5 with screw and nut by the outer diameter in road
Good, the rubber layer 6 between semi-circular tube 1 mutually clamps at this time, and the rubber layer 6 in semicircular ring 9 and nitrogen pipeline clamp, device with
Nitrogen pipeline forms a sealing area, and observation pressure gauge 3 is read, if the reading of pressure gauge 3 rises, this block region gas leakage, if
Pressure gauge 3 reads constant, and the area Ze Zhekuai is air tight, finds at this time to other regions from new, determines air leakage point, leak area determines
After, magnet block 8 is pulled, magnet block 8 is moved along first sliding groove 7, and magnet block 8 drives iron block 10 mobile, and iron block 10 is mobile
When is able to drive fixed link 11 and telescopic rod 12 mobile, final to drive unit of plastic 13 mobile, sponge block 14 when unit of plastic 13 is mobile
Upper pre-soaked suds can be applied on nitrogen pipeline, after smearing, the shut-off valve on exhaust outlet 4 be opened, by saturating
Mirror 2 observes bubble point, determines air leakage point, and entire smearing operation carries out in the environment of an opposing seal, and gas flows slowly,
Suds are not easy to be evaporated, and avoid the worry for applying suds repeatedly, facilitate the observation of operator, fixed link 11 and flexible
Spring 15 is provided between bar 12, when spring 15 is compressed, sponge block 14 contacts closely with nitrogen pipeline, guarantees that suds apply
It smears uniformly, present apparatus operating process is convenient and simple, can effectively improve gas leakage detection efficiency, and after detection, do not remove
When device, device may be used as interim device for plugging.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of nitrogen gas delivery-line gas leakage detection and interim device for plugging, including semi-circular tube (1), which is characterized in that described half
The quantity of round tube (1) is two, and the both ends of the semi-circular tube (1) are respectively arranged with semicircular ring (9), and on semi-circular tube (1) respectively
Insertion is equipped with lens (2), is offered respectively first sliding groove (7) on the outer wall of the semi-circular tube (1), the first sliding groove (7)
Direction it is consistent with the direction of semi-circular tube (1) long axis, and one end of magnet block (8) is inserted in first sliding groove (7), described half
Second sliding slot is offered on the inner wall of round tube (1) respectively, the second sliding slot is parallel with first sliding groove (7), and second sliding slot
It is inside inserted with one end of iron block (10), the iron block (10) matches connection with magnet block (8), and iron block (10) is far from magnet block
(8) one end is connected with one end of fixed link (11), and the other end of the fixed link (11) offers mounting groove, the mounting groove
It is inside inserted with telescopic rod (12), is placed with spring (15) between the telescopic rod (12) and the inner wall of mounting groove, and telescopic rod
(12) one end far from mounting groove is glued and is had unit of plastic (13), and the unit of plastic (13) is arc-shaped, and unit of plastic (13) is interior
Wall gluing is connected to sponge block (14).
2. a kind of nitrogen gas delivery-line gas leakage detection according to claim 1 and interim device for plugging, which is characterized in that institute
It states there are two being respectively set on the outer wall of semi-circular tube (1) fixed block (5), offers and be uniformly distributed respectively on the fixed block (5)
Screw hole.
3. a kind of nitrogen gas delivery-line gas leakage detection according to claim 1 and interim device for plugging, which is characterized in that institute
It states and is provided with pressure gauge (3) and exhaust outlet (4) on semi-circular tube (1).
4. a kind of nitrogen gas delivery-line gas leakage detection according to claim 3 and interim device for plugging, which is characterized in that institute
It states and shut-off valve is installed on exhaust outlet (4).
5. a kind of nitrogen gas delivery-line gas leakage detection according to claim 1 and interim device for plugging, which is characterized in that institute
The outer diameter for stating semi-circular tube (1) is equal to the outer diameter of semicircular ring (9), and the internal diameter of semi-circular tube (1) is less than the internal diameter of semicircular ring (9).
6. a kind of nitrogen gas delivery-line gas leakage detection according to claim 1 and interim device for plugging, which is characterized in that institute
It states and is respectively arranged with rubber layer (6) on semi-circular tube (1) and the inner wall of semicircular ring (9).
7. a kind of nitrogen gas delivery-line gas leakage detection according to claim 1 and interim device for plugging, which is characterized in that institute
The area for stating lens (2) is not less than the half of semi-circular tube (1) area.
8. a kind of nitrogen gas delivery-line gas leakage detection according to claim 1 and interim device for plugging, the semi-circular tube (1)
On safety valve is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298673.4A CN109458564B (en) | 2018-11-02 | 2018-11-02 | Nitrogen gas pipeline leakage detecting and temporary plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811298673.4A CN109458564B (en) | 2018-11-02 | 2018-11-02 | Nitrogen gas pipeline leakage detecting and temporary plugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109458564A true CN109458564A (en) | 2019-03-12 |
| CN109458564B CN109458564B (en) | 2020-01-03 |
Family
ID=65609278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811298673.4A Active CN109458564B (en) | 2018-11-02 | 2018-11-02 | Nitrogen gas pipeline leakage detecting and temporary plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458564B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280267A (en) * | 2021-03-04 | 2021-08-20 | 谢德庆 | Natural gas pipeline detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2524965A1 (en) * | 1982-04-09 | 1983-10-14 | Carl Yves | Automatic leak detecting stop valve for liquid circuit - uses venturi effect to maintain valve normally open with pressure sensitive diaphragm |
| CN2033900U (en) * | 1987-12-18 | 1989-03-08 | 大庆石油管理局油田建设公司 | Portable vacuum leak detector for weld seams on pipeline |
| KR20070037730A (en) * | 2007-03-19 | 2007-04-06 | 이근우 | Safety equipment of fire gas circuit breaker |
| CN201884941U (en) * | 2010-11-04 | 2011-06-29 | 中国石油天然气集团公司 | Magnetic circuit structure of pipeline magnetic flux leakage corrosion detector |
| CN204187290U (en) * | 2014-10-29 | 2015-03-04 | 李岩芳 | Oil and gas pipes repaired mouth vacuum checking device |
| CN206818370U (en) * | 2017-05-19 | 2017-12-29 | 上海江南长兴重工有限责任公司 | Marine piping air-tightness detection device |
| CN108087658A (en) * | 2017-07-20 | 2018-05-29 | 中国石油大学(华东) | A kind of oil-gas pipeline fast plugging device |
-
2018
- 2018-11-02 CN CN201811298673.4A patent/CN109458564B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2524965A1 (en) * | 1982-04-09 | 1983-10-14 | Carl Yves | Automatic leak detecting stop valve for liquid circuit - uses venturi effect to maintain valve normally open with pressure sensitive diaphragm |
| CN2033900U (en) * | 1987-12-18 | 1989-03-08 | 大庆石油管理局油田建设公司 | Portable vacuum leak detector for weld seams on pipeline |
| KR20070037730A (en) * | 2007-03-19 | 2007-04-06 | 이근우 | Safety equipment of fire gas circuit breaker |
| CN201884941U (en) * | 2010-11-04 | 2011-06-29 | 中国石油天然气集团公司 | Magnetic circuit structure of pipeline magnetic flux leakage corrosion detector |
| CN204187290U (en) * | 2014-10-29 | 2015-03-04 | 李岩芳 | Oil and gas pipes repaired mouth vacuum checking device |
| CN206818370U (en) * | 2017-05-19 | 2017-12-29 | 上海江南长兴重工有限责任公司 | Marine piping air-tightness detection device |
| CN108087658A (en) * | 2017-07-20 | 2018-05-29 | 中国石油大学(华东) | A kind of oil-gas pipeline fast plugging device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280267A (en) * | 2021-03-04 | 2021-08-20 | 谢德庆 | Natural gas pipeline detection device |
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| Publication number | Publication date |
|---|---|
| CN109458564B (en) | 2020-01-03 |
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