CN208704987U - A kind of gas leakage detection of natural-gas transfer pipeline ball valve and pressure relief device - Google Patents
A kind of gas leakage detection of natural-gas transfer pipeline ball valve and pressure relief device Download PDFInfo
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- CN208704987U CN208704987U CN201821588259.2U CN201821588259U CN208704987U CN 208704987 U CN208704987 U CN 208704987U CN 201821588259 U CN201821588259 U CN 201821588259U CN 208704987 U CN208704987 U CN 208704987U
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Abstract
The utility model relates to a kind of gas leakage detection of natural-gas transfer pipeline ball valve and pressure relief devices, including coal gas detection instrument, pressure reducing valve, high pressure valve and the muffler being sequentially communicated by pressure piping, the feed inlet of coal gas detection instrument is connected to by pipeline with the blowdown valve on ball valve, at least one piece of clump weight is respectively equipped on pressure piping between high pressure valve and pressure reducing valve and between high pressure valve and muffler, clump weight is set on pressure piping, and can be slided on pressure piping along its axis.The utility model has the beneficial effects that effectively detection ball valve whether gas leakage, detection accuracy is high, while can also carry out pressure release to pressure piping in time, securely and reliably.
Description
Technical field
The utility model relates to gas leakage detection and pressure relief equipment technical fields, and in particular to a kind of natural-gas transfer pipeline ball
The gas leakage detection of valve and pressure relief device.
Background technique
During natural gas transportation, Stations in long distant gas pipeline and valve chamber have a large amount of ball valve, and ball valve is in process operation
Play an important role, have many advantages, such as to be fully sealed, fast opening and closing, low flow resistance, will not blocking, therefore day can be to reliably applied to
In right tracheae is defeated, but due to frequently switching and there are the factors such as solid impurity to cause valve sealing ring and sealing in pipeline
Spherical surface damage, and then cause valve that interior leakage occurs, valve cannot achieve the effect that be fully sealed.In the prior art, ball valve gas leakage
The precision of detection is not high, can not detect micro gas leakage.
In addition, the pressure piping of conveying natural gas causes pressure piping vibration degree larger, holds since internal pressure is larger
It easily explodes, danger coefficient is higher.The prior art is that several clump weights are arranged on pressure piping, and clump weight is to pressure piping
With cushioning effect, pressure piping is avoided significantly to shake.Clump weight is all to be integrally formed, and centre offers and pressure piping
The through-hole matched, is set on pressure piping.This mode operate it is comparatively laborious, when pressure piping length is longer, counterweight
Block is set on pressure piping from one end of pressure piping, is then manually slid at the corresponding position of pressure piping again, time-consuming
Arduously, labor intensity is big, and installation effectiveness is low.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of gas leakage of natural-gas transfer pipeline ball valve detection and
Pressure relief device, it is convenient for disassembly and assembly, effectively detect ball valve whether gas leakage, detection accuracy is high；Also pressure piping can be carried out in time simultaneously
Pressure release, securely and reliably.
The technical solution that the utility model solves above-mentioned technical problem is as follows:
A kind of gas leakage detection of natural-gas transfer pipeline ball valve and pressure relief device, including what is be sequentially communicated by pressure piping
The feed inlet of coal gas detection instrument, pressure reducing valve, high pressure valve and muffler, the coal gas detection instrument passes through the row on pipeline and ball valve
Dirty valve connection, the high-voltage tube between the high pressure valve and the pressure reducing valve and between the high pressure valve and the muffler
It is respectively equipped at least one piece of clump weight, the clump weight on road to be set on the pressure piping, and can be in the pressure piping
On along its axis slide.
The beneficial effects of the utility model are: coal gas detection instrument is connected to by pipeline with the blowdown valve of ball valve, coal gas detection
Instrument is for detecting whether ball valve has gas leakage, and when the pressure rise for having gas leakage to make pressure piping, pressure reducing valve is carried out
It adjusts, inlet pressure is reduced to the outlet pressure of its needs, keeps the stability of itself；When pressure is excessive in pressure piping
When, by high pressure valve discharge unit medium to prevent pressure piping internal pressure more than setting value, securely and reliably；In pressure piping
High pressure gas discharged by muffler, to cause noise pollution, in the gas discharged at this time the concentration of natural gas compared with
It is low, therefore can be directly discharged in atmosphere.
Based on the above technical solution, the utility model can also do following improvement.
Further, the clump weight is spliced by two block-shaped identical counterweight block bodies, two pieces of clump weight sheets
Body is removably attachable to together, and the clump weight is circular ring shape, and the counterweight block body is semi-circular shape.
Beneficial effect using above-mentioned further scheme is that clump weight is spliced by two pieces of counterweight block bodies, easy for installation
Fast, time saving and energy saving it is not necessary that the position among pipeline will be slid into from one end of pressure piping when installation；And clump weight and high pressure
The shape of pipeline matches, easy for installation, and neat appearance.
Further, wherein the both ends of a counterweight block body are respectively equipped with multiple pillars, another counterweight block body
Both ends be respectively equipped with the one-to-one card slot of the pillar, multiple pillars one-to-one correspondence are tightly stuck in the card slot
It is interior, two pieces of counterweight block bodies are connected to form a whole.
Both when beneficial effect using above-mentioned further scheme is installation, pressure piping is stuck in by two pieces of counterweight block bodies
Between, then multiple pillars on a wherein counterweight block body are corresponded in the card slot being tightly stuck on another clump weight,
It is convenient for disassembly and assembly, it is time saving and energy saving.
Further, at least one is equipped at intervals on the periphery of the counterweight block body for installing the installation of weight block
Slot, to adjust the balance weight of the clump weight.
Beneficial effect using above-mentioned further scheme be by the way that one or more weight blocks are mounted in mounting groove, with
Change the balance weight of entire clump weight, to meet different production requirements, the pressure piping of different vibration amplitudes is played
Effective cushioning effect.
Further, the muffler includes hush pipe and escape pipe, and the inlet end of the hush pipe passes through pressure piping institute
State high pressure valve connection, the outlet side of the hush pipe is connected to the inlet end of the escape pipe, the hush pipe include outer tube with
Inner tube, the outer tube are set in outside said inner tube, are formed cavity between the outer tube and said inner tube, are filled in the cavity
Sound-absorbing material offers several through-holes on the side wall of said inner tube.
Beneficial effect using above-mentioned further scheme is natural gas followed by hush pipe and escape pipe, by hush pipe
When, the noise that natural gas generates effectively is absorbed by the through-hole in inner tube by the sound-absorbing material in cavity, and noise pollution is avoided；Out
Tracheae is relief pipe, and natural gas is expelled directly out after being depressurized by relief pipe.
Further, barney is arranged with outside the escape pipe.
Beneficial effect using above-mentioned further scheme is to carry out sound insulation processing to natural gas again, avoids noise pollution.
Further, the inlet end of the hush pipe passes through flange and the institute between the high pressure valve and the hush pipe
The outlet side for stating pressure piping removably connects.
Beneficial effect using above-mentioned further scheme is convenient for disassembly and assembly.
Further, the sound-absorbing material uses organic fiber sound-absorbing material or foamed plastics sound-absorbing material.
Beneficial effect using above-mentioned further scheme is that organic fiber sound-absorbing material sound absorbing performance is good, and foamed plastics is inhaled
Sound material has light, sound absorption, heat-insulated, fire-retardant, corrosion-resistant, shockproof characteristic.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of clump weight in the utility model；
Fig. 3 is the structural schematic diagram of a wherein counterweight block body in the utility model；
Fig. 4 is the structural schematic diagram of another counterweight block body in the utility model；
Fig. 5 is the structural schematic diagram of muffler in the utility model；
Fig. 6 is one of the schematic diagram of internal structure of muffler in the utility model；
Fig. 7 is two of the schematic diagram of internal structure of muffler in the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
1, pressure piping, 2, coal gas detection instrument, 3, pressure reducing valve, 4, high pressure valve, 5, muffler, 6, blowdown valve, 7, clump weight,
8, counterweight block body, 9, mounting hole, 10, pillar, 11, card slot, 12, mounting groove, 13, hush pipe, 14, escape pipe, 15, outer tube,
16, inner tube, 17, cavity, 18, through-hole.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figures 1 to 7, the utility model provides gas leakage detection and the pressure release dress of a kind of natural-gas transfer pipeline ball valve
It sets, including coal gas detection instrument 2, the pressure reducing valve 3 (inside is containing high pressure gauge and low-pressure meter), height being sequentially communicated by pressure piping 1
The feed inlet of pressure valve 4 and muffler 5, coal gas detection instrument 2 is connected to by pipeline with the blowdown valve 6 on ball valve, pipeline and blowdown
It is connected between valve 6 by flange, it is convenient for disassembly and assembly.Height between high pressure valve 4 and pressure reducing valve 3 and between high pressure valve 4 and muffler 5
It is respectively equipped at least one piece of clump weight 7, clump weight 7 on pressure pipeline 1 to be set on pressure piping 1, and along it on pressure piping 1
Axis sliding；Since the pressure inside pressure piping 1 is larger, during high pressure gas flows in pressure piping 1, high-voltage tube
The amplitude that road 1 shakes is larger, is easy to happen explosion, leads to safety accident, and clump weight 7, clump weight 7 are arranged on pressure piping 1
Cushioning effect is played to pressure piping 1 using the gravity of itself, securely and reliably.In addition, clump weight 7 block-shaped identical is matched by two
Pouring weight ontology 8 is spliced, and two pieces of counterweight block bodies 8 are removably attachable to together.When installation, two pieces of counterweight block bodies 8 will
Pressure piping 1 is clipped in the middle, and then two pieces of counterweight block bodies 8 are linked together by splicing component, without manually by clump weight 7
It is inserted in from one end of pressure piping 1, then manually slides into the corresponding position of pressure piping 1, it is convenient for disassembly and assembly, it is time saving and energy saving.
The precision that the utility model detects natural gas leaking is high, can reach 0.5%.
It should be noted that being equipped with voice guard inside coal gas detection instrument 2, can alarm automatically.When blowdown valve 6
It is serious to locate gas leakage, when being more than setting concentration value, alarm automatic alarm, staff carries out respective handling, avoids safety
Accident occurs.
Embodiment 1
As shown in Figures 2 to 4, in the present embodiment, clump weight 7 is circular ring shape, and counterweight block body 8 is semi-circular shape, is matched
The internal diameter of pouring weight 7 is slightly larger than the outer diameter of pressure piping 1, so that clump weight 7 slides on pressure piping 1.But nature
Under, clump weight 7 and pressure piping 1 are opposing stationary, need manually clump weight 7 could be pushed along pressure piping with certain strength
1 sliding.Circular ring shape clump weight and the shape of pressure piping 1 match, and pressure piping 1 is passed through the peace on clump weight 7 when installation
Fill hole 9, neat appearance.
Embodiment 2
Difference in the present embodiment with embodiment one is: clump weight 7 is rectangular-shape clump weight, rectangular-shape clump weight
Center offer the mounting hole 9 passed through for pressure piping 1 along its axial direction, the internal diameter of mounting hole 9 is outer slightly larger than pressure piping 1
Diameter, so that clump weight 7 slides on pressure piping 1.But under natural conditions, clump weight 7 and pressure piping 1 are opposing stationary, need
Manually clump weight 7 could be pushed to slide along pressure piping 1 with certain strength.
In the utility model, wherein the portion of two close end is leaned in a counterweight block body 8 side opposite with another counterweight block body 8
Position is respectively equipped with multiple pillars 10, and multiple pillars 10 are integrally formed with clump weight 7, and the respective side of another counterweight block body 8 is close
The position at both ends be respectively equipped with the one-to-one card slot 11 of pillar 10, in side of the card slot 11 by corresponding counterweight block body 8
Spill at, multiple pillars 10 one-to-one correspondence is tightly stuck in card slot 11, by the connection of two pieces of counterweight block bodies 8 formed one it is whole
Body.When installation, according to demand, two pieces of counterweight block bodies 8 are manually held first, the corresponding position of pressure piping 1 is clipped in the two
Between, then multiple pillars 10 are tightly stuck in corresponding card slot 11, two pieces of counterweight block bodies 8 are assembled into an entirety.
It should be noted that multiple pillars 10 one-to-one correspondence is tightly stuck in card slot 11 when installation, counterweight block body 8 from
Under the action of body gravity, two pieces of counterweight block bodies 8 will not be separated, only could be by spliced two pieces by certain external force
Counterweight block body 8 separates.Therefore, two pieces of counterweight block bodies 8 are stitched together will not influence and be matched by pillar 10 and card slot 11
Damping effect of the pouring weight 7 to pressure piping 1.
Preferably, at least one is equipped at intervals in the utility model, on the periphery of counterweight block body 8 for installing weight
The mounting groove 12 of gauge block, to adjust the balance weight of clump weight 7, mounting groove 12 by counterweight block body 8 periphery concave shaped
At.In actual production, the pressure pipings 1 of different vibration amplitudes must different balance weights, therefore be arranged on pressure piping 1 more
A clump weight 7 operates very inconvenient.According to demand, at least one weight block can be added in mounted clump weight 7, to adjust
The balance weight of clump weight 7 is saved, it is easy to operate, need to install clump weight 7 on pressure piping 1 again, it is convenient and practical.
As shown in Figures 5 to 7, muffler 5 includes hush pipe 13 and escape pipe 14, and the inlet end of hush pipe 13 passes through high pressure
Pipeline 1 is connected to high pressure valve 4, generallys use flanged joint；The inlet end of hush pipe 13 be located at high pressure valve 4 and hush pipe 13 it
Between outlet side connection, generally use flanged joint；Hush pipe 13 includes outer tube 15 and inner tube 16, and outer tube 15 is set in inner tube 16
Outside, outer tube 15 and inner tube 16 are integrally formed.Cavity 17 is formed between outer tube 15 and inner tube 16, is filled with sound absorber in cavity 17
Material, sound-absorbing material preferentially use organic fiber sound-absorbing material or foamed plastics sound-absorbing material, and machine sound-absorbing material fiber is to medium, high frequency
Range sound absorbing performance is good, avoids noise pollution；Foamed plastics sound-absorbing material have it is light, sound absorption, it is heat-insulated, fire-retardant, corrosion-resistant,
Shockproof characteristic, erasure effect is preferable, avoids noise pollution.In addition, offering several through-holes 18 on the side wall of inner tube 16, naturally
Gas is followed by hush pipe 13 and escape pipe 14, and when by hush pipe 13, the noise that natural gas generates passes through logical in inner tube 16
Hole 18 is effectively absorbed by the sound-absorbing material in cavity 17, avoids noise pollution
Preferably, in the utility model, barney is arranged with outside escape pipe 14, escape pipe 14 uses relief pipe, barney
Sound insulation processing can be carried out to by the natural gas in escape pipe 14, reduce sound when pressure release, avoid noise pollution.It needs to illustrate
, the right concentration of weather being discharged by escape pipe 14 is lower, within the scope of safe concentration, therefore can be directly discharged to atmosphere
In, it will not cause harm to the human body.
The working principle of the utility model is as follows:
When work, if combustion gas leaks at blowdown valve 6, when the pressure value that the high pressure gauge in pressure reducing valve 3 detects is big
When setting pressure threshold (high pressure gauge has pressure to show), and send corresponding signal to controller, controller analysis processing
Starting pressure reducing valve 3 carries out decompression emptying afterwards；Meanwhile the gas concentration value that coal gas detection instrument 2 detects is greater than setting concentration threshold
When, the alarm automatic alarm inside coal gas detection instrument 2, staff makes respective handling, avoids safety accident；When subtracting
When the pressure value that high pressure gauge in pressure valve 3 detects is less than setting pressure threshold (high pressure gauge no pressure is shown), coal gas detection instrument 2
Gas concentration is detected, and sends corresponding gas concentration value signal to controller, opens high pressure valve 4 after controller analysis processing
Carry out release atmosphere pressure regulation；Combustion gas is discharged after 5 noise reduction of muffler.
It should be noted that coal gas detection instrument (model BH-4) involved by the utility model, alarm (model C PD-
001), pressure reducing valve (model Y43H-16C), high pressure gauge (model YTZ), low-pressure meter (model YE60), high pressure valve (TYD) and disappear
Sound device is all made of the prior art, and each component is electrically connected with controller (model TC-SCR), the control between controller and each component
Circuit processed is the prior art.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. gas leakage detection and the pressure relief device of a kind of natural-gas transfer pipeline ball valve, it is characterised in that: including passing through pressure piping
(1) coal gas detection instrument (2), pressure reducing valve (3), high pressure valve (4) and the muffler (5) being sequentially communicated, the coal gas detection instrument (2)
Feed inlet be connected to the blowdown valve (6) on ball valve by pipeline, between the high pressure valve (4) and the pressure reducing valve (3) and
At least one piece of clump weight (7) is respectively equipped on the pressure piping (1) between the high pressure valve (4) and the muffler (5),
The clump weight (7) is set on the pressure piping (1), and can slide on the pressure piping (1) along its axis.
2. a kind of gas leakage detection of natural-gas transfer pipeline ball valve according to claim 1 and pressure relief device, feature exist
In: the clump weight (7) is spliced by two block-shaped identical counterweight block bodies (8), and two pieces of counterweight block bodies (8) can
Disassembly links together, and the clump weight (7) is circular ring shape, and the counterweight block body (8) is semi-circular shape.
3. a kind of gas leakage detection of natural-gas transfer pipeline ball valve according to claim 2 and pressure relief device, feature exist
In: wherein the both ends of a counterweight block body (8) are respectively equipped with multiple pillars (10), another counterweight block body (8)
Both ends be respectively equipped with the one-to-one card slot (11) of the pillar (10), multiple pillars (10) one-to-one correspondence are tightly blocked
In the card slot (11), two pieces of counterweight block bodies (8) are connected to form a whole.
4. a kind of gas leakage detection of natural-gas transfer pipeline ball valve according to claim 2 and pressure relief device, feature exist
In: at least one mounting groove (12) for being used to install weight block is equipped at intervals on the periphery of the counterweight block body (8), with
Adjust the balance weight of the clump weight (7).
5. a kind of gas leakage detection of natural-gas transfer pipeline ball valve according to claim 1 and pressure relief device, feature exist
Include hush pipe (13) and escape pipe (14) in: the muffler (5), the inlet end of the hush pipe (13) and passes through high-voltage tube
Road (1) is connected to the high pressure valve (4), and the outlet side of the hush pipe (13) is connected to the inlet end of the escape pipe (14),
The hush pipe (13) includes outer tube (15) and inner tube (16), and the outer tube (15) is set in said inner tube (16) outside, described outer
It manages and forms cavity (17) between (15) and said inner tube (16), sound-absorbing material, said inner tube are filled in the cavity (17)
(16) several through-holes (18) are offered on side wall.
6. a kind of gas leakage detection of natural-gas transfer pipeline ball valve according to claim 5 and pressure relief device, feature exist
In: barney is arranged with outside the escape pipe (14).
7. a kind of gas leakage detection of natural-gas transfer pipeline ball valve according to claim 5 and pressure relief device, feature exist
In: the inlet end of the hush pipe (13) passes through flange and the institute between the high pressure valve (4) and the hush pipe (13)
The outlet side for stating pressure piping (1) removably connects.
8. a kind of gas leakage detection of natural-gas transfer pipeline ball valve according to claim 5 and pressure relief device, feature exist
In: the sound-absorbing material uses organic fiber sound-absorbing material or foamed plastics sound-absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588259.2U CN208704987U (en) | 2018-09-28 | 2018-09-28 | A kind of gas leakage detection of natural-gas transfer pipeline ball valve and pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821588259.2U CN208704987U (en) | 2018-09-28 | 2018-09-28 | A kind of gas leakage detection of natural-gas transfer pipeline ball valve and pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208704987U true CN208704987U (en) | 2019-04-05 |
Family
ID=65947771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821588259.2U Active CN208704987U (en) | 2018-09-28 | 2018-09-28 | A kind of gas leakage detection of natural-gas transfer pipeline ball valve and pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208704987U (en) |
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2018
- 2018-09-28 CN CN201821588259.2U patent/CN208704987U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200915 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. Patentee after: China Petroleum & Chemical Corp. Address before: 430223 No. 126 Guanggu Avenue, Wuhan City, Hubei Province Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211110 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Sichuan East Natural Gas Pipeline Co.,Ltd. |