CN108150835A - A kind of natural gas sampling pipe device - Google Patents
A kind of natural gas sampling pipe device Download PDFInfo
- Publication number
- CN108150835A CN108150835A CN201711449437.3A CN201711449437A CN108150835A CN 108150835 A CN108150835 A CN 108150835A CN 201711449437 A CN201711449437 A CN 201711449437A CN 108150835 A CN108150835 A CN 108150835A
- Authority
- CN
- China
- Prior art keywords
- half shell
- pipe
- threeway
- sampling
- shell
- 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.)
- Pending
Links
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
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/10—Arrangements for supervising or controlling working operations for taking out the product in the line
Abstract
The invention discloses a kind of natural gas sampling pipe devices, including main pipeline, preceding pipe nipple, conveyance conduit, special threeway, sampling steel cylinder, monitor and protection shell, main pipeline coordinates with preceding pipe nipple, protect shell by upper half shell and lower half shell to being combined into, compression ring and clamp nut are bolted on preceding pipe nipple, the preceding pipe nipple is coated with sealing steel ring on the centre position of the compression ring and the clamp nut, the preceding pipe nipple is connected with the conveyance conduit, the monitor is installed in the inside of the upper half shell, the upper weld of the monitor has protection steel pipe, the special threeway is taken over sampling to be connect, the sampling is taken over to be connect with the sampling steel cylinder.The natural gas sampling pipe device can adapt to the transport high pressure of natural gas; there is leakage monitoring, monitoring device can obtain good protection, while have preliminary block effect when leaking; sampling operation is convenient and simple, analyzes natural gas to staff and provides convenience.
Description
Technical field
The present invention relates to field of pipeline equipment, specially a kind of natural gas sampling pipe device.
Background technology
Natural gas extraction needs pipeline to be transported, and the ingredient for acquiring natural gas is needed to be sampled analysis at exploitation end,
And natural gas collection terminal needs strictly avoid the leakage situation of natural gas, once leaking, not only influence the fortune of natural gas
Transport to be sent, also has the security risks such as explosion, fire, the device installation being sampled at present is complicated, inconvenient, and pipeline
Pressure control is difficult, and monitoring corollary equipment is of high cost, and line needs a kind of pipe-line equipment with monitoring, sampled functions and one
It solves the above problems, reduces production cost.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of natural gas sampling pipe device
Problem.
To achieve the above object, the present invention provides following technical solution：A kind of natural gas sampling pipe device includes supervisor
Road, preceding pipe nipple, conveyance conduit, special threeway, sampling steel cylinder, monitor and protection shell, the main pipeline with it is described before
Pipe nipple coordinate, it is described protection shell by upper half shell and lower half shell to being combined into, be bolted on the preceding pipe nipple compression ring and
Clamp nut, the preceding pipe nipple are coated with sealing steel ring, institute on the centre position of the compression ring and the clamp nut
It states and screw thread is processed on the internal diameter of sealing steel ring, the external thread bolt connection cooperation of the sealing steel ring and the main pipeline, the front end
It takes over and is connected with the conveyance conduit, one end of the preceding pipe nipple is equipped with Electrocontrolled high-pressure valve, and the special threeway is installed in
The medium position of the conveyance conduit, the monitor are installed in the inside of the upper half shell, the upper weld of the monitor
There is protection steel pipe, the protection steel pipe reaches the outside of the upper half shell, and the monitor is described equipped with several sensors
Top sealing clamp is bolted on protection steel pipe, threeway sealed step is welded on the lower position of the special threeway, it is described
Threeway sealed step offsets with the lower half shell, high pressure manual valve is equipped in the special threeway, the special threeway is with adopting
Sample takes over connection, and the sampling is taken over to be connect with the acquisition inlet pipe of the sampling steel cylinder, and one end of the sampling steel cylinder is equipped with
It acquires outlet pipe, the acquisition inlet pipe and the acquisition outlet pipe and the sampling takes over and is mounted on air valve, outside the protection
One end of shell is pressed on the main pipeline, and the other end of the protection shell is pressed on the conveyance conduit.
Preferably, being sticked on the sealing steel ring has forward end seal pad, after the main pipeline is spirally connected with the sealing steel ring
Compress the forward end seal pad.
Preferably, steel pipe through-hole is offered at the top of the upper half shell, the protection steel pipe is pierced by from the steel pipe through-hole
Outside the upper half shell, being sticked on the top sealing clamp has steel pipe sealing pad, and the steel pipe sealing pad compresses the upper half
Shell.
Preferably, the bottom of the lower half shell offers threeway through-hole, and the special threeway is pierced by from the threeway through-hole
To outside the lower half shell, being sticked in the threeway sealed step has threeway gasket, the threeway gasket and the lower half
The inner wall of shell offsets.
Preferably, the end of the upper half shell and the lower half shell is machined with half slot, the half slot and the master
Pipeline or conveyance conduit adaptation, the upper half shell and the lower half shell are sticked on involutory surface and have casing gasket, institute
The both sides for stating upper half shell and the lower half shell are machined with connection step, and the connection step of the upper half shell and the lower half shell leads to
Cross threaded connector connection.
Compared with prior art, the beneficial effects of the invention are as follows：The natural gas sampling pipe device is in use, main pipeline is
The main pipe of natural gas, main pipeline are spirally connected with sealing steel ring, and the end of main pipeline compresses what is be sticked on sealing steel ring after being spirally connected
Forward end seal pad thus plays sealing function, effectively natural gas is avoided to be leaked out from sealing steel ring, and sealing steel ring passes through
Before compression ring and clamp nut are fixed on pipe nipple, such design allows the position of sealing steel ring on preceding pipe nipple
It adjusts, the position for changing sealing steel ring according to actual condition, compression ring and clamp nut is facilitated to contact with sealing steel ring
Gasket is sticked on one side to ensure to seal, the outer rim of sealing steel ring is conveniently screwed, welded in special threeway using six sided structures
Threeway sealed step is connected to, lower half shell is pressed on the threeway gasket in threeway sealed step, and upper half shell and lower half shell pass through
Threaded connector connects, and casing gasket is compacted when upper half shell and lower half shell pairing, plays sealing function, such design makes
The space that enclosure must be protected is closing, even if leaked at main pipeline and preceding pipe nipple, the natural gas of leakage
Will not disperse in air, but blocked by protection shell, such design prevents leaking for natural gas, improves natural
The defeated safety coefficient of fate, monitor are mounted on upper half shell, and the supply line of Electrocontrolled high-pressure valve and monitor is from protection steel
It is pierced by outside upper half shell in pipe, Electrocontrolled high-pressure valve realizes break-make by remote electrically controlled operation, protects the top being spirally connected on steel pipe
Portion's sealing clamp can play sealing function, and monitor uses currently used natural gas leaking monitor, and sensor is used for
The concentration of natural gas of protection enclosure is obtained, monitoring leakage situation, special threeway lower part is equipped with high pressure manual valve, adopts simultaneously
Sample, which is taken over, is equipped with air valve, and sampling is taken over and connect with sampling steel cylinder, and high pressure manual valve is used to stop high-pressure natural gas, needs pair
When natural gas samples, then high pressure manual valve is unscrewed into part, such design can buffer pressure of the high pressure gas to air valve, then
Air valve is unscrewed into part, natural gas can enter sampling steel cylinder by the acquisition inlet pipe of sampling steel cylinder at this time, empty in sampling steel cylinder
Gas, after adopting full gas samples, inlet pipe will be acquired and acquire the air valve in outlet pipe be turned off, then by sampling steel cylinder from adopting
Sample, which is taken over, to be removed；The present apparatus can adapt to the transport high pressure of natural gas, have the function of leakage monitoring, and monitoring device can
There is preliminary block effect, sampling operation is convenient and simple, is analyzed to staff when obtaining good protection, while leaking
Natural gas is provided convenience.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is main pipeline of the present invention, the structure diagram of preceding pipe nipple, clamp nut, compression ring, sealing steel ring cooperation.
Fig. 3 is the structure diagram of the special threeway of the present invention.
Fig. 4 is the end view after present invention protection shell pairing.
Fig. 5 is high pressure manual valve of the present invention, the structure diagram that sampling is taken over, sampling steel cylinder coordinates.
In figure：1st, main pipeline, 2, preceding pipe nipple, 3, conveyance conduit, 4, special threeway, 5, sampling steel cylinder, 6, monitor, 7,
Upper half shell, 8, lower half shell, 9, compression ring, 10, clamp nut, 11, sealing steel ring, 12, Electrocontrolled high-pressure valve, 13, protection steel pipe,
14th, sensor, 15, top sealing clamp, 16, threeway sealed step, 17, high pressure manual valve, 18, sampling take over, 19, acquire into
Pipe, 20, acquisition outlet pipe, 21, air valve, 22, forward end seal pad, 23, steel pipe through-hole, 24, steel pipe sealing pad, 25, threeway through-hole,
26th, threeway gasket, 27, half slot, 28, casing gasket, 29, connection step, 30, threaded connector.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of natural gas sampling pipe device, including main pipeline
1st, preceding pipe nipple 2, conveyance conduit 3, special threeway 4, sampling steel cylinder 5, monitor 6 and protection shell, the main pipeline 1 and institute
Pipe nipple 2 coordinates before stating, and the protection shell, to being combined into, is bolted with by upper half shell 7 and lower half shell 8 on the preceding pipe nipple 2
Compression ring 9 and clamp nut 10, the preceding pipe nipple 2 are worn on the centre position of the compression ring 9 and the clamp nut 10
Equipped with sealing steel ring 11, process screw thread on the internal diameter of the sealing steel ring 11, the sealing steel ring 11 and the main pipeline 1 it is outer
Screw thread threaded, the preceding pipe nipple 2 and the conveyance conduit 3 connect, and one end of the preceding pipe nipple 2 is equipped with automatically controlled height
Pressure valve 12, the special threeway 4 are installed in the medium position of the conveyance conduit 3, and the monitor 6 is installed in the upper half shell
7 inside, the upper weld of the monitor 6 have protection steel pipe 13, and the protection steel pipe 13 reaches the outer of the upper half shell 7
Portion, the monitor 6 are bolted with top sealing clamp 15, the spy equipped with several sensors 14, described protect on steel pipe 13
Threeway sealed step 16 is welded on the lower position of threeway 4 processed, the threeway sealed step 16 offsets with the lower half shell 8,
High pressure manual valve 17 is installed, the special threeway 4 is connect with sampling take over 18, and the sampling is taken in the special threeway 4
18 connect with the acquisition inlet pipe 19 of the sampling steel cylinder 5, and one end of the sampling steel cylinder 5 is equipped with acquisition outlet pipe 20, described to adopt
Air valve 21, one end of the protection shell are mounted in collection inlet pipe 19 and the acquisition outlet pipe 20 and the sampling take over 18
It is pressed on the main pipeline 1, the other end of the protection shell is pressed on the conveyance conduit 3, the sealing steel ring 11
On be sticked and have forward end seal pad 22, the main pipeline 1 compresses the forward end seal pad 22, institute after being spirally connected with the sealing steel ring 11
The top for stating upper half shell 7 offers steel pipe through-hole 23, and the protection steel pipe 13 is pierced by the upper half shell 7 from the steel pipe through-hole 23
Outside, being sticked on the top sealing clamp 15 has steel pipe sealing pad 24, and the steel pipe sealing pad 24 compresses the upper half shell 7,
The bottom of the lower half shell 8 offers threeway through-hole 25, and the special threeway 4 is pierced by from the threeway through-hole 25 to the lower half
Outside shell 8, being sticked in the threeway sealed step 16 has threeway gasket 26, the threeway gasket 26 and the lower half shell 8
Inner wall offset, the end of the upper half shell 7 and the lower half shell 8 is machined with half slot 27, the half slot 27 with it is described
Main pipeline 1 or the conveyance conduit 3 are adapted to, and the upper half shell 7 and the lower half shell 8 are sticked on involutory surface and have body seal
The both sides of pad 28, the upper half shell 7 and the lower half shell 8 are machined with connection step 29, the upper half shell 7 and the lower half shell
8 connection step 29 is connected through a screw thread part 30 and connects.
Operation principle：When using the natural gas sampling pipe device, main pipeline 1 is the main pipe of natural gas, is responsible for
Road 1 is spirally connected with sealing steel ring 11, and the end of main pipeline 1 compresses the forward end seal pad 22 being sticked on sealing steel ring 11 after being spirally connected, this
Sample just plays sealing function, and natural gas is effectively avoided to be leaked out from sealing steel ring 11, and sealing steel ring 11 passes through 9 He of compression ring
Before clamp nut 10 is fixed on pipe nipple 2, such design allows the position of sealing steel ring 11 to be raised in preceding pipe nipple 2
Section, facilitates the position for changing sealing steel ring 11 according to actual condition, compression ring 9 and clamp nut 10 to be connect with sealing steel ring 11
Gasket is sticked in tactile one side to ensure to seal, the outer rim of sealing steel ring 11 is conveniently screwed, special three using six sided structures
Threeway sealed step 16 is welded on logical 4, lower half shell 8 is pressed on the threeway gasket 26 in threeway sealed step 16, upper half
Shell 7 and lower half shell 8 are connected through a screw thread part 30 and connect, and casing gasket 28 is compacted during 8 pairing of upper half shell 7 and lower half shell, rise
To sealing function, such design is so that the space of protection enclosure is closing, even if in main pipeline 1 and preceding pipe nipple 2
Place is when leaking, the natural gas of leakage will not disperse in air, but blocked by protection shell, such design prevention
Leaking for natural gas improves the safety coefficient of natural gas transportation, and monitor 6 is mounted on upper half shell 7, Electrocontrolled high-pressure valve 12
It is pierced by from protection steel pipe 13 to outside upper half shell 7 with the supply line of monitor 6, Electrocontrolled high-pressure valve 12 is by remote electrically controlled
It operates to realize break-make, protects the top sealing clamp 15 being spirally connected on steel pipe 13 that can play sealing function, monitor 6 uses current
Common natural gas leaking monitor, sensor 15 protect the concentration of natural gas of enclosure, monitoring leakage for obtaining
Situation, special 4 lower part of threeway is equipped with high pressure manual valve 17, while samples and air valve 21 is equipped on take over 18, samples take over 18
It is connect with sampling steel cylinder 5, high pressure manual valve 17 is for stopping high-pressure natural gas, then will be high manually when needing to sample natural gas
Pressure valve 17 unscrews part, and such design can buffer pressure of the high pressure gas to air valve 21, air valve 21 then is unscrewed part, this
When natural gas can sampling steel cylinder 5 be entered by the acquisition inlet pipe 19 of sampling steel cylinder 5, empty the gas in sampling steel cylinder 5, adopt all over the sky
After right gas sample sheet, the air valve 21 that will be acquired on inlet pipe 19 and acquisition outlet pipe 20 is turned off, and then takes over sampling steel cylinder 5 from sampling
It is removed on 18.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of natural gas sampling pipe device, including main pipeline (1), preceding pipe nipple (2), conveyance conduit (3), special threeway
(4), sampling steel cylinder (5), monitor (6) and protection shell, it is characterised in that：The main pipeline (1) and the preceding pipe nipple
(2) coordinate, to being combined into, pressure is bolted on the preceding pipe nipple (2) by upper half shell (7) and lower half shell (8) for the protection shell
Tight ring (9) and clamp nut (10), the preceding pipe nipple (2) is in the centre of the compression ring (9) and the clamp nut (10)
Sealing steel ring (11) is coated on position, processes screw thread on the internal diameter of the sealing steel ring (11), the sealing steel ring (11) and
The external thread bolt connection cooperation of the main pipeline (1), the preceding pipe nipple (2) and the conveyance conduit (3) connection, terminate before described
One end of pipe (2) is equipped with Electrocontrolled high-pressure valve (12), and the special threeway (4) is installed in the middle position of the conveyance conduit (3)
It puts, the monitor (6) is installed in the inside of the upper half shell (7), and the upper weld of the monitor (6) has protection steel pipe
(13), the protection steel pipe (13) reaches the outside of the upper half shell (7), and the monitor (6) is equipped with several sensors
(14), top sealing clamp (15) is bolted on the protection steel pipe (13), is welded on the lower position of the special threeway (4)
There is threeway sealed step (16), the threeway sealed step (16) offsets with the lower half shell (8), on the special threeway (4)
High pressure manual valve (17) is installed, the special threeway (4) is taken over (18) with sampling and is connect, it is described sampling take over (18) with it is described
Acquisition inlet pipe (19) connection of sampling steel cylinder (5), one end of the sampling steel cylinder (5) is equipped with acquisition outlet pipe (20), described to adopt
Collection inlet pipe (19) and the acquisition outlet pipe (20) and the sampling take on (18) and are mounted on air valve (21), outside the protection
One end of shell is pressed on the main pipeline (1), and the other end of the protection shell is pressed on the conveyance conduit (3).
2. a kind of natural gas sampling pipe device according to claim 1, it is characterised in that：On the sealing steel ring (11)
Being sticked has forward end seal pad (22), and the main pipeline (1) compresses the forward end seal pad after being spirally connected with the sealing steel ring (11)
(22)。
3. a kind of natural gas sampling pipe device according to claim 1, it is characterised in that：The top of the upper half shell (7)
Portion offers steel pipe through-hole (23), and the protection steel pipe (13) is pierced by the upper half shell (7) outside from the steel pipe through-hole (23),
Being sticked on the top sealing clamp (15) has steel pipe sealing pad (24), and the steel pipe sealing pad (24) compresses the upper half shell
(7)。
4. a kind of natural gas sampling pipe device according to claim 1, it is characterised in that：The bottom of the lower half shell (8)
Portion offers threeway through-hole (25), and the special threeway (4) is pierced by the lower half shell (8) outside from the threeway through-hole (25)
Portion, being sticked on the threeway sealed step (16) has threeway gasket (26), the threeway gasket (26) and the lower half shell
(8) inner wall offsets.
5. a kind of natural gas sampling pipe device according to claim 1, it is characterised in that：The upper half shell (7) and institute
The end for stating lower half shell (8) is machined with half slot (27), the half slot (27) and the main pipeline (1) or the delivery pipe
Road (3) is adapted to, and the upper half shell (7) and the lower half shell (8) are sticked on involutory surface and have casing gasket (28), it is described on
The both sides of half-shell (7) and the lower half shell (8) are machined with connection step (29), the upper half shell (7) and the lower half shell (8)
Connection step (29) be connected through a screw thread part (30) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449437.3A CN108150835A (en) | 2017-12-27 | 2017-12-27 | A kind of natural gas sampling pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711449437.3A CN108150835A (en) | 2017-12-27 | 2017-12-27 | A kind of natural gas sampling pipe device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108150835A true CN108150835A (en) | 2018-06-12 |
Family
ID=62463406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711449437.3A Pending CN108150835A (en) | 2017-12-27 | 2017-12-27 | A kind of natural gas sampling pipe device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150835A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812700A (en) * | 2019-03-22 | 2019-05-28 | 石宏扬 | A kind of natural gas line sampling valve |
| CN109975069A (en) * | 2019-04-23 | 2019-07-05 | 浙江海洋大学 | A kind of LNG on-line period detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109975069A (en) * | 2019-04-23 | 2019-07-05 | 浙江海洋大学 | A kind of LNG on-line period detection system |
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Application publication date: 20180612 |