CN114593371A - Real-time monitoring device and monitoring method for leakage of oil and gas transportation pipeline - Google Patents
Real-time monitoring device and monitoring method for leakage of oil and gas transportation pipeline Download PDFInfo
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- CN114593371A CN114593371A CN202210204264.3A CN202210204264A CN114593371A CN 114593371 A CN114593371 A CN 114593371A CN 202210204264 A CN202210204264 A CN 202210204264A CN 114593371 A CN114593371 A CN 114593371A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 14
- 230000000295 complement effect Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 description 25
- 238000005457 optimization Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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Classifications
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- 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
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the technical field of oil and gas transportation safety, in particular to an oil and gas transportation pipeline leakage real-time monitoring device and a monitoring method, which comprises a first shell and a second shell, wherein rubber pads are fixedly connected on the first shell and the second shell, the first shell and the second shell are jointly connected with a fixing mechanism, the first shell is connected with a pressure regulating mechanism, the pressure regulating mechanism comprises a first air cylinder, a first air hole and a first piston, the first shell is connected with a warning mechanism, the warning mechanism comprises a second air cylinder, a second air hole, a partition plate, a battery seat, a power supply, a conductive rod and a warning lamp, the first shell is fixedly connected with the second air cylinder, the outside of the second air cylinder is fixedly connected with the warning lamp, the warning lamp is electrically connected with the conductive rod, the second air cylinder is connected with a sliding mechanism and an auxiliary mechanism, so that an oil and gas transportation pipeline can be monitored in real time, when the pipeline leaks, the leaking pipe section can be quickly found.
Description
Technical Field
The invention relates to a monitoring device, in particular to a real-time monitoring device and a monitoring method for leakage of an oil and gas transportation pipeline, and belongs to the technical field of oil and gas transportation safety.
Background
The oil gas generally refers to oil gas used as fuel, such as oil and natural gas, and because of flammability and explosiveness, the oil gas has high requirements on safety during transportation, especially under the condition that oil gas leakage cannot be generated during transportation absolutely.
At the in-process of long-distance transport oil gas, because the pipeline of transportation oil gas is generally longer, consequently appear revealing when the pipeline, be difficult to find the position that the pipeline revealed fast, consequently increased danger and the uneasy noticeability of revealing, in order to solve this problem, just need a convenient device of revealing monitoring to oil gas.
Disclosure of Invention
The invention aims to solve the problems and provide a real-time monitoring device and a monitoring method for oil and gas transportation pipeline leakage, which can monitor a pipeline for transporting oil and gas in real time and can quickly find a leaked pipe section when the pipeline leaks.
The invention realizes the above purpose by the following technical proposal, the device comprises a first shell and a second shell, wherein the first shell and the second shell are both fixedly connected with rubber pads, the first shell and the second shell are both commonly connected with a fixing mechanism, the first shell is connected with a pressure regulating mechanism, the pressure regulating mechanism comprises a first cylinder, a first air hole and a first piston, the first cylinder is fixedly connected on the first shell, the inner wall of the first cylinder is connected with the first piston in a sliding way, the first shell is provided with the first air hole, the first shell is connected with a warning mechanism, the warning mechanism comprises a second cylinder, a second air hole, a clapboard, a battery seat, a power supply, a conductive rod and a warning lamp, the first shell is fixedly connected with the second cylinder, the first shell is provided with the second air hole, the inner wall of the second cylinder is fixedly connected with the partition board, the partition board is fixedly connected with the battery holder, the power supply is arranged in the battery holder, the conductive rod is electrically connected to the power supply, the warning lamp is fixedly connected to the outer side of the second cylinder, the warning lamp is electrically connected with the conductive rod, and the second cylinder is connected with the sliding mechanism and the auxiliary mechanism.
Preferably, the fixing mechanism comprises a first fixing block, a second fixing block and a bolt, the first shell is fixedly connected with the first fixing block, the second shell is fixedly connected with the second fixing block, the bolt is rotatably connected to the first fixing block, and the bolt is in threaded connection with the second fixing block.
Preferably, the pressure regulating mechanism further comprises a connecting block and a screw rod, the first piston is fixedly connected with the connecting block, the connecting block is rotatably connected with the screw rod, and the screw rod is in threaded connection with the first cylinder.
Preferably, the pressure regulating mechanism further comprises a rotary table and two vertical rods, one end of the screw rod, which is located outside the first cylinder, is fixedly connected with the rotary table, the two vertical rods are fixedly connected to the inner wall of the first cylinder, and the two vertical rods are both connected with the first piston in a sliding manner.
Preferably, the sliding mechanism comprises a second piston and a first spring, the second piston is connected to the inner wall of the second cylinder in a sliding manner, and the first spring is fixedly connected between the second piston and the partition plate.
Preferably, the sliding mechanism further comprises a sliding rod and a conductive block, the sliding rod is fixedly connected to the second piston and is slidably connected with the partition plate, the conductive block is fixedly connected to the sliding rod, and the conductive block is movably connected with the conductive rod.
Preferably, the auxiliary mechanism comprises a fixed sleeve, a sliding sheet and a second spring, the fixed sleeve is fixedly connected to the outer side of the second cylinder, the sliding sheet is slidably connected to the inside of the fixed sleeve, and the second spring is fixedly connected between the sliding sheet and the fixed sleeve.
Preferably, the monitoring method comprises:
s1: the pipeline to be detected is placed between the first shell and the second shell, namely the pipeline is clamped by the first shell and the second shell, and the first shell and the second shell are firmly fixed together through a fixing mechanism.
S2: the pressure in the first cylinder is reduced by operating the pressure regulating mechanism, so that the first piston slides, and the air pressure in the space in the whole first shell and the second shell is reduced.
S3: because the pressure regulating mechanism arouses the atmospheric pressure change in the whole device, consequently warning mechanism produces corresponding change thereupon, whether lights through the warning light on the warning mechanism and can judge whether oil gas has taken place in the pipeline and has revealed.
The invention has the beneficial effects that:
according to the invention, the pressure regulating mechanism is arranged, so that the connecting block can be driven to rotate by rotating the turntable, the connecting block moves in the first cylinder, the first piston is driven to slide upwards in the first cylinder, the air pressure in the first cylinder and even in the first shell and the second shell is reduced along with the sliding of the first piston, the second piston in the second cylinder slides downwards under the condition that the air pressure is reduced, the sliding rod is driven to move, the sliding rod slides, the conductive block originally contacted with the conductive rod is not connected with the conductive rod, therefore, a circuit formed by the whole conductive rod is disconnected, the originally lighted warning lamp is turned off, and at the moment, under the action of the air pressure, although the second piston slides, the first spring is in a stretched state, and the warning lamp is not lighted at the moment, so that a pipeline for transporting oil gas is not leaked.
According to the invention, the warning mechanism is arranged, so that once the pipeline leaks, oil gas in the pipeline leaks into the space between the first shell and the second shell, and at the moment, the air pressure between the first shell and the second shell is increased due to the leakage of the oil gas, so that the second piston slides upwards under the action of the first spring to drive the sliding rod to move upwards, the conductive block on the sliding rod is also contacted with the conductive rod again, the circuit of the conductive rod is conducted at the moment, the power supply supplies power to the circuit of the conductive rod, and further the warning lamp is lightened, the lightened warning lamp indicates that the oil gas leaks in the pipeline, and the pipe sections with the leaks can be determined through the lightening positions of the warning lamp when the different pipe sections leak by respectively installing the devices on the plurality of pipe sections.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention as shown in FIG. 1;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the first cylinder according to the present invention;
FIG. 5 is a schematic view showing the internal structure of a second cylinder in the present invention;
fig. 6 is a schematic view of the connection structure of the auxiliary mechanism of the present invention.
In the figure: 1. a first housing; 2. a second housing; 3. a rubber pad; 4. a fixing mechanism; 41. a first fixed block; 42. a second fixed block; 43. a bolt; 5. a pressure regulating mechanism; 51. a first cylinder; 52. a first air hole; 53. a first piston; 54. connecting blocks; 55. a screw; 56. a turntable; 57. a vertical rod; 6. a warning mechanism; 61. a second cylinder; 62. a second air hole; 63. a partition plate; 64. a battery holder; 65. a power source; 66. a conductive rod; 67. a warning light; 7. a sliding mechanism; 71. a second piston; 72. a first spring; 73. a slide bar; 74. a conductive block; 8. an auxiliary mechanism; 81. fixing a sleeve; 82. sliding blades; 83. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a real-time monitoring device and a monitoring method for oil and gas transportation pipeline leakage include a first housing 1 and a second housing 2, wherein both the first housing 1 and the second housing 2 are fixedly connected with a rubber pad 3, the first housing 1 and the second housing 2 are commonly connected with a fixing mechanism 4, the first housing 1 is connected with a pressure regulating mechanism 5, the pressure regulating mechanism 5 includes a first cylinder 51, a first air hole 52 and a first piston 53, the first cylinder 51 is fixedly connected to the first housing 1, the inner wall of the first cylinder 51 is slidably connected with the first piston 53, the first housing 1 is provided with the first air hole 52, the first housing 1 is connected with a warning mechanism 6, the warning mechanism 6 includes a second cylinder 61, a second air hole 62, a partition plate 63, a battery seat 64, a power supply 65, a conductive rod 66 and a warning lamp 67, the first housing 1 is fixedly connected with the second cylinder 61, the first housing 1 is provided with the second air hole 62, the inner wall of the second cylinder 61 is fixedly connected with the partition plate 63, the partition plate 63 is fixedly connected with the battery holder 64, the battery holder 64 is internally provided with the power supply 65, the power supply 65 is electrically connected with the conductive rod 66, the outer side of the second cylinder 61 is fixedly connected with the warning lamp 67, the warning lamp 67 is electrically connected with the conductive rod 66, the second cylinder 61 is connected with the sliding mechanism 7 and the auxiliary mechanism 8, the air pressure in the first cylinder 51 and even the first housing 1 and the second housing 2 is reduced along with the sliding of the first piston 53, under the condition that the air pressure is reduced, the second piston 71 in the second cylinder 61 slides downwards to drive the sliding rod 73 to move, the sliding rod 73 slides to ensure that the conductive block 74 originally contacted with the conductive rod 66 is not connected with the conductive rod 66 any more, so that the circuit formed by the whole conductive rod 66 is disconnected, the originally lighted alarm lamp 67 is extinguished, and at this time, under the action of air pressure, although the second piston 71 slides, the first spring 72 is in a stretched state, and by mounting the devices on the plurality of pipe sections respectively, the pipe section where leakage occurs can be determined by the lighted position of the alarm lamp 67 when leakage occurs in different pipe sections.
As a technical optimization scheme of the present invention, the fixing mechanism 4 includes a first fixing block 41, a second fixing block 42 and bolts 43, the first housing 1 is fixedly connected with a plurality of first fixing blocks 41, the second housing 2 is fixedly connected with a plurality of second fixing blocks 42, the bolts 43 are rotatably connected to the first fixing blocks 41, the bolts 43 are respectively in threaded connection with the second fixing blocks 42, the first housing 1 and the second housing 2 are placed at a pipe section to be monitored, the first housing 1 and the second housing 2 are combined together, the plurality of first fixing blocks 41 and the plurality of second fixing blocks 42 can be fixed together by the bolts 43, so that the first housing 1 and the second housing 2 wrap the pipeline together, and the rubber gasket 3 can ensure air tightness between the first housing 1 and the second housing 2.
As a technical optimization scheme of the present invention, the pressure regulating mechanism 5 further includes a connecting block 54 and a screw 55, the connecting block 54 is fixedly connected to the first piston 53, the screw 55 is rotatably connected to the connecting block 54, and the screw 55 is in threaded connection with the first cylinder 51.
As a technical optimization scheme of the present invention, the pressure regulating mechanism 5 further includes a rotating disc 56 and a vertical rod 57, the rotating disc 56 is fixedly connected to one end of the screw 55 located outside the first cylinder 51, two vertical rods 57 are fixedly connected to the inner wall of the first cylinder 51, and both the two vertical rods 57 are slidably connected to the first piston 53.
As a technical optimization scheme of the present invention, the sliding mechanism 7 includes a second piston 71 and a first spring 72, the second piston 71 is slidably connected to an inner wall of the second cylinder 61, and the first spring 72 is fixedly connected between the second piston 71 and the partition 63.
As a technical optimization scheme of the present invention, the sliding mechanism 7 further includes a sliding rod 73 and a conductive block 74, the sliding rod 73 is fixedly connected to the second piston 71, the sliding rod 73 is slidably connected to the partition 63, the conductive block 74 is fixedly connected to the sliding rod 73, the conductive block 74 is movably connected to the conductive rod 66, when the air pressure decreases, the second piston 71 in the second cylinder 61 slides downward to drive the sliding rod 73 to move, the sliding rod 73 slides to make the conductive block 74 originally in contact with the conductive rod 66 not to be connected to the conductive rod 66, so that a circuit formed by the entire conductive rod 66 is broken, the originally lit warning lamp 67 is turned off, once the oil gas in the pipeline leaks into the space in the first housing 1 and the second housing 2, at this time, the air pressure between the first housing 1 and the second housing 2 increases due to the leakage of the oil gas, so that the second piston 71 slides upward under the action of the first spring 72, the sliding rod 73 is driven to move upwards, so that the conductive block 74 on the sliding rod 73 is also contacted with the conductive rod 66 again, the circuit of the conductive rod 66 is conducted at the moment, the power supply 65 supplies power to the circuit of the conductive rod 66, and the warning lamp 67 is further lightened.
As a technical optimization scheme of the present invention, the auxiliary mechanism 8 includes a fixing sleeve 81, a sliding piece 82 and a second spring 83, the fixing sleeve 81 is fixedly connected to the outer side of the second cylinder 61, the sliding piece 82 is slidably connected to the inside of the fixing sleeve 81, the second spring 83 is fixedly connected between the sliding piece 82 and the fixing sleeve 81, and a through hole where the sliding piece 82 is located can be opened through the sliding piece 82, so as to facilitate the operation of the power supply 65.
As a technical optimization scheme of the present invention, the monitoring method includes:
s1: the pipeline to be detected is placed between the first shell 1 and the second shell 2, namely, the pipeline is clamped by the first shell 1 and the second shell 2, and the first shell 1 and the second shell 2 are firmly fixed together by the fixing mechanism 4.
S2: the pressure in the first cylinder 51 is reduced by operating the pressure regulating mechanism 5, and the first piston 53 is slid, so that the pressure in the space in the entire first housing 1 and the second housing 2 is reduced.
S3: because the pressure regulating mechanism 5 causes the air pressure change in the whole device, the warning mechanism 6 correspondingly changes, and whether oil gas leakage occurs in the pipeline can be judged by judging whether the warning lamp 67 on the warning mechanism 6 is on.
When the invention is used, firstly, the power supply 65 is charged, the first shell 1 and the second shell 2 are placed at a pipe section to be monitored, the first shell 1 and the second shell 2 are combined together, the plurality of first fixing blocks 41 and the plurality of second fixing blocks 42 are fixed together through the bolts 43, so that the first shell 1 and the second shell 2 wrap a pipeline together, the rubber gasket 3 can ensure the air tightness between the first shell 1 and the second shell 2, after the first shell 1 and the second shell 2 are installed, the rotating disc 56 is rotated to drive the screw 55 to rotate, so that the connecting block 54 moves in the first cylinder 51, and further the first piston 53 is driven to slide upwards in the first cylinder 51, along with the sliding of the first piston 53, the air pressure in the first cylinder 51 and even the first shell 1 and the second shell 2 is reduced, and under the condition that the air pressure is reduced, the second piston 71 in the second cylinder 61 slides downwards, the sliding rod 73 is driven to move, the sliding rod 73 slides to enable the conductive block 74 originally contacted with the conductive rod 66 to be not connected with the conductive rod 66 any more, so that a circuit formed by the whole conductive rod 66 is disconnected, the originally lighted warning lamp 67 is turned off, at the moment, under the action of air pressure, although the second piston 71 slides, the first spring 72 is in a stretched state, the warning lamp 67 is not lighted at the moment, the pipeline for transporting oil gas is not leaked, once the pipeline leaks, the oil gas in the pipeline leaks into the space in the first shell 1 and the second shell 2, at the moment, the air pressure between the first shell 1 and the second shell 2 is increased due to the leakage of the oil gas, so that the second piston 71 slides upwards under the action of the first spring 72 to drive the sliding rod 73 to move upwards, the conductive block 74 on the sliding rod 73 is also contacted with the conductive rod 66 again, and the circuit of the conductive rod 66 is conducted at the moment, the power supply 65 supplies power to the circuit of the conducting rod 66, so that the warning lamp 67 is also lightened, the lightened warning lamp 67 shows that oil gas leakage occurs in the pipeline, and the position where the warning lamp 67 is lightened can be used for determining the leaking pipeline section when the leakage occurs in different pipeline sections by installing devices on the plurality of pipeline sections respectively.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an oil gas transportation pipeline leaks real-time supervision device, includes first shell (1) and second shell (2), its characterized in that: the pressure regulating device is characterized in that rubber pads (3) are fixedly connected to the first shell (1) and the second shell (2), a fixing mechanism (4) is jointly connected to the first shell (1) and the second shell (2), a pressure regulating mechanism (5) is connected to the first shell (1), the pressure regulating mechanism (5) comprises a first air cylinder (51), a first air hole (52) and a first piston (53), the first air cylinder (51) is fixedly connected to the first shell (1), the first piston (53) is connected to the inner wall of the first air cylinder (51) in a sliding mode, the first air hole (52) is formed in the first shell (1), a warning mechanism (6) is connected to the first shell (1), and the warning mechanism (6) comprises a second air cylinder (61), a second air hole (62), a partition plate (63), a battery seat (64), a power supply (65), a conductive rod (66) and a warning lamp (67), fixedly connected with on first shell (1) second cylinder (61), seted up on first shell (1) second gas pocket (62), fixedly connected with on the inner wall of second cylinder (61) baffle (63), fixedly connected with on baffle (63) battery holder (64), the inside of battery holder (64) is equipped with electric connection has on power (65), power (65) conducting rod (66), the outside fixedly connected with of second cylinder (61) warning light (67), warning light (67) and conducting rod (66) electric connection are connected with slide mechanism (7) and complementary unit (8) on second cylinder (61).
2. The real-time monitoring device for oil and gas transportation pipeline leakage of claim 1, characterized in that: fixed establishment (4) include first fixed block (41), second fixed block (42) and bolt (43), fixedly connected with is a plurality of on first shell (1) first fixed block (41), and fixedly connected with is a plurality of on second shell (2) second fixed block (42), all rotate on first fixed block (41) and be connected with bolt (43), bolt (43) respectively with second fixed block (42) threaded connection.
3. The real-time monitoring device for oil and gas transportation pipeline leakage according to claim 1, characterized in that: the pressure regulating mechanism (5) further comprises a connecting block (54) and a screw rod (55), the first piston (53) is fixedly connected with the connecting block (54), the connecting block (54) is rotatably connected with the screw rod (55), and the screw rod (55) is in threaded connection with the first air cylinder (51).
4. The real-time monitoring device for oil and gas transportation pipeline leakage of claim 3, characterized in that: pressure regulating mechanism (5) still include carousel (56) and montant (57), the one end fixedly connected with that is located outside first cylinder (51) of screw rod (55) carousel (56), two fixedly connected with on the inner wall of first cylinder (51) montant (57), two montants (57) all with first piston (53) sliding connection.
5. The real-time monitoring device for oil and gas transportation pipeline leakage according to claim 1, characterized in that: the sliding mechanism (7) comprises a second piston (71) and a first spring (72), the second piston (71) is connected to the inner wall of the second cylinder (61) in a sliding mode, and the first spring (72) is fixedly connected between the second piston (71) and the partition plate (63).
6. The real-time monitoring device of oil and gas transport pipeline leakage of claim 5, characterized in that: the sliding mechanism (7) further comprises a sliding rod (73) and a conductive block (74), the sliding rod (73) is fixedly connected to the second piston (71), the sliding rod (73) is slidably connected with the partition plate (63), the conductive block (74) is fixedly connected to the sliding rod (73), and the conductive block (74) is movably connected with the conductive rod (66).
7. The real-time monitoring device for oil and gas transportation pipeline leakage according to claim 1, characterized in that: complementary unit (8) are including fixed cover (81), gleitbretter (82) and second spring (83), fixed cover (81) fixed connection in the outside of second cylinder (61), gleitbretter (82) sliding connection is in the inside of fixed cover (81), fixedly connected with between gleitbretter (82) and fixed cover (81) second spring (83).
8. The oil and gas transportation pipeline leakage real-time monitoring device and method according to claim 1, wherein: the monitoring method comprises the following steps:
s1: placing a pipeline to be detected between a first shell (1) and a second shell (2), namely clamping the pipeline by using the first shell (1) and the second shell (2), and firmly fixing the first shell (1) and the second shell (2) together by using a fixing mechanism (4);
s2: the air pressure in the first air cylinder (51) is reduced by operating the pressure regulating mechanism (5), so that the first piston (53) slides, and the air pressure in the space in the whole first shell (1) and the second shell (2) is reduced;
s3: because the pressure regulating mechanism (5) arouses the atmospheric pressure change in the whole device, consequently warning mechanism (6) produce corresponding change thereupon, whether can judge whether the oil gas has taken place in the pipeline and has leaked through warning light (67) on warning mechanism (6) are lighted.
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| CN202210204264.3A CN114593371B (en) | 2022-03-03 | 2022-03-03 | Oil gas transportation pipeline leakage real-time monitoring device and monitoring method |
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