Leakage monitoring system for long-distance pipeline of oil and gas field

Abstract

The utility model discloses a leakage monitoring system for a long-distance pipeline of an oil and gas field, which relates to the technical field of leakage monitoring of oil and gas pipelines, and comprises two groups of fixing mechanisms, each fixing mechanism comprises two arc-shaped seats which are symmetrically distributed, the two arc-shaped seats are distributed in a mirror image manner, and the opposite ends of the two arc-shaped seats are connected together through screws; connecting seats are fixedly installed between the arc-shaped seats on the same side, sliding grooves are formed in the connecting seats, the sliding grooves are arranged to be cross-shaped sliding grooves, a detector is arranged between the two connecting seats, the two ends of the bottom of the detector are connected with bases through screws, and sliding blocks are fixedly installed on the bases. According to the designed leakage monitoring system for the oil and gas field long-distance pipeline, the servo motor drives the base and the detector on the base to move in the direction of the sliding groove, the detector can be driven to reciprocate along the pipeline, and therefore circulating reciprocating detection work is conducted on different positions of the pipeline.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil and gas pipeline leak monitoring technical field especially relates to a kind of for oil and gas field long-distance pipeline's leak monitoring system. BACKGROUND

[0002] The leak monitoring system for oil and gas field long-distance pipeline is a system specially designed for real-time monitoring and positioning the leakage in oil and gas long-distance pipeline. The oil and gas field long-distance pipeline leak monitoring system is usually arranged on or around the pipeline by these sensors (such as oil leakage induction rope, pressure sensor, temperature sensor, etc.) for detecting possible leakage events.

[0003] For example, the existing oil and gas field long-distance pipeline safety monitoring device with publication number CN215061362U specifically discloses a detection device main shell, a protection device is arranged on the upper surface of the detection device main shell, a right side connection control pipe is arranged on the right surface of the detection device main shell, a left side connection control pipe is arranged on the left surface of the detection device main shell, a detection device is installed in the inside of the detection device main shell, and an inner tube filter device is installed on the outer surface of the detection device main shell. The oil and gas field long-distance pipeline safety monitoring device provided by the utility model has the advantages of being able to control and prevent oil leakage left and right during installation and disassembly, making installation and disassembly more convenient and fast, and having easy-to-disassemble filter devices arranged on both sides of the detector to prevent blockage and damage during instrument detection, prolong the overall service life and stabilize the working state. It can greatly save the cost of external cable line and reduce the overall installation and maintenance cost when used outdoors for a long distance.

[0004] The existing leak monitoring device for oil and gas field long-distance pipeline cannot perform comprehensive and cyclic detection on long pipelines, which makes it difficult to discover leakage risks in time. Moreover, if the monitoring device cannot cover the long-distance pipeline comprehensively, some areas may not be detected in time. Therefore, we propose a leak monitoring system for oil and gas field long-distance pipeline. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a leak monitoring system for oil and gas field long-distance pipeline, which solves the problems raised in the above background art.

[0006] In order to achieve the above object, the utility model discloses a kind of leak monitoring system for oil and gas field long-distance pipeline, comprising: two groups of fixed mechanism, the fixed mechanism includes two symmetrical distribution arc-shaped seat, two The arc-shaped seat mirror image distribution, the opposite end of two arc-shaped seat is connected together by screw;Fixedly installed with connecting seat between the arc-shaped seat of same side, the connecting seat starts to have sliding slot, the sliding slot is set as cross sliding slot, detector is provided between two The connecting seat, the bottom of both ends of the detector is connected with base by screw, the base is fixedly installed with sliding block, the sliding block is set as cross sliding block, the sliding block is slidably arranged in The sliding slot, screw rod is provided between the arc-shaped seat of same side, the screw rod end is rotatably installed on the arc-shaped seat, the arc-shaped seat of one side is provided with driving mechanism, the driving mechanism includes connecting shaft, the connecting shaft is rotatably installed on the arc-shaped seat, the connecting shaft is fixedly connected with the screw rod, the connecting shaft is fixedly installed with transmission wheel, the arc-shaped seat is fixedly installed with servo motor, the output shaft end of the servo motor is fixedly installed with driving wheel, and the driving wheel is engaged with the transmission wheel.

[0007] As a further technical scheme of the utility model, the servo motor is provided with a protective cover.

[0008] As a further technical scheme of the utility model, the inner side of the arc-shaped seat is provided with anti-skid lines.

[0009] As a further technical scheme of the utility model, the detector is an infrared sensor detection device, the detector is used for monitoring the gas concentration change around the pipeline, and the detection end of the detector is arranged towards the pipeline.

[0010] As a further technical scheme of the utility model, the connecting plate is screw-connected to the both sides of the detector, the connecting seat lower end extends to the connecting seat, the annular plate is fixedly installed at the lower end of the connecting plate, the annular cotton is fixedly connected to the annular plate, and the connecting plate and the annular plate on both sides are symmetrically distributed.

[0011] As a further technical scheme of the utility model, the support block is fixedly installed at the bottom of both ends of the detector, and the cotton block is fixedly connected to the bottom of the support block.

[0012] The utility model provides a kind of leak monitoring system for oil and gas field long-distance pipeline, and compared with prior art has following beneficial effects:

[0013] 1. The leak monitoring system for long-distance pipelines in oil and gas fields of the present design can drive the base and the detector thereon to move along the direction of the sliding groove through the servo motor, can drive the detector to reciprocate along the pipeline, and thus can perform the cyclic reciprocating detection work on different positions of the pipeline.

[0014] 2. The leak monitoring system for long-distance pipelines in oil and gas fields of the present design can drive the base and the detector thereon to move along the direction of the sliding groove through the servo motor, can drive the detector to reciprocate along the pipeline, and thus can perform the cyclic reciprocating detection work on different positions of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Figure 1 is a working schematic view of the leak monitoring system for long-distance pipelines in oil and gas fields;

[0016] Figure 2 Figure 2 is a structural schematic view of the leak monitoring system for long-distance pipelines in oil and gas fields;

[0017] Figure 3 Figure 3 is an enlarged schematic view of part of the structure at the detector of the leak monitoring system for long-distance pipelines in oil and gas fields;

[0018] Figure 4 Figure 4 is an enlarged schematic view of A in Figure 3. Figure 2

[0019] In the figure: arc-shaped seat 1, connecting seat 2, sliding groove 3, detector 4, base 5, sliding block 6, lead screw 7, connecting shaft 8, transmission wheel 9, servo motor 10, driving wheel 11, connecting plate 12, annular plate 13, annular cotton strip 14, supporting block 15, cotton block 16, pipeline 17. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 ​The utility model provides a kind of for oil and gas field long-distance pipeline's leakage monitoring system technical scheme: a kind of for oil and gas field long-distance pipeline's leakage monitoring system, comprising: two groups of fixed mechanism, fixed mechanism includes two symmetrical distribution arc seat 1, two arc seat 1 mirror image distribution, the opposite end of two arc seat 1 is connected together by screw;Fixedly installed between arc seat 1 of same side there is connecting seat 2, connecting seat 2 starts to have sliding slot 3, sliding slot 3 is set as cross sliding slot, it is provided with detector 4 between two connecting seat 2, the bottom end of detector 4 is connected with base 5 by screw, base 5 is all fixedly installed with sliding block 6, sliding block 6 is set as cross sliding block, sliding block 6 is slidably arranged in sliding slot 3, it is provided with screw rod 7 between two arc seat 1 of same side, screw rod 7 end portion rotatably installed on arc seat 1, screw rod 7 penetrates base 5 and is connected with base 5 by screw, arc seat 1 on one side is all provided with driving mechanism, and driving mechanism includes connecting shaft 8, connecting shaft 8 rotatably installed on arc seat 1, connecting shaft 8 is fixedly connected with screw rod 7, connecting shaft 8 is fixedly installed with transmission wheel 9, arc seat 1 is fixedly installed with servo motor 10, the output shaft end of servo motor 10 is fixedly installed with driving wheel 11, and driving wheel 11 engages with transmission wheel 9. Protective cover is installed on servo motor 10. The inner side of arc seat 1 is all provided with antiskid line. By installing arc seat 1 on pipeline 17, two arc seat 1 are sleeved on pipeline 17 using bolt, the installation position of two arc seat 1 can be selected and adjusted according to detection requirement, so that the installation and work of device are more flexible. Then servo motor 10 drives driving wheel 11 to rotate, driving wheel 11 drives transmission wheel 9 to rotate, transmission wheel 9, connecting shaft 8 and screw rod 7 rotate synchronously, so that base 5 and the detector 4 thereon move along the direction of sliding slot 3, can drive detector 4 reciprocatingly move along pipeline 17, so that the different positions of pipeline are cyclically detected.

[0022] As shown in Figure 3 and Figure 4 , detector 4 is infrared sensor detection device, and the detection end of detector 4 is arranged towards the pipeline. Connecting plate 12 is screw-connected on both sides of detector 4, and the lower end of connecting plate 12 extends to the connecting seat 2. Annular plate 13 is fixedly installed on the lower end of connecting plate 12. Annular cotton strip 14 is fixedly connected to annular plate 13. Connecting plate 12 and annular plate 13 on both sides are symmetrically distributed. Support block 15 is fixedly installed on both ends of the bottom of detector 4. Cotton block 16 is fixedly connected to the bottom of support block 15. During the detection process, cotton block 16 and annular cotton strip 14 move synchronously with detector 4, thereby cleaning the surface of pipeline 17.

[0023] The working principle of the utility model is: through installing the arc-shaped seat 1 outside the pipeline 17, using bolt to set two arc-shaped seats 1 outside the pipeline 17, the installation position of two arc-shaped seats 1 can be selected and adjusted according to detection requirement, make the installation and work of device more flexible. Then through servo motor 10 driving driving wheel 11 rotation, driving wheel 11 drives transmission wheel 9 rotation, transmission wheel 9, connecting shaft 8 and screw rod 7 synchronous rotation, thereby make base 5 and its on detector 4 along the direction of sliding slot 3 move, can drive detector 4 along pipeline 17 reciprocating movement, thereby carry out cyclic reciprocating detection work to the different position of pipeline. Through cyclic reciprocating detection, monitoring device can more comprehensive, meticulous cover each position of pipeline, thereby more accurately find potential leakage point. This high frequency detection mode helps to reduce the missed detection and false report situation, improve the accuracy of leakage detection. At the same time in the detection process, cotton block 16 and annular cotton 14 will move synchronously with detector 4, thereby carry out cleaning work to the surface of pipeline 17, the dirt, grease, rust spot and other impurities on the surface of pipeline can influence the sensitivity of leakage monitoring sensor, lead to false report or missed report. Through cleaning the surface of pipeline, can remove these impurities, improve monitoring accuracy.

[0024] The above only is the preferred implementation of the utility model, should point out, for the ordinary skill in the art, on the premise of not departing from the principle of the utility model, can make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, all are implemented according to the conventional means in the field.

Claims

1. A leak monitoring system for long distance pipelines in oil and gas fields, characterized in that, The utility model relates to a kind of pipe fixing device, including: Two sets of fixing mechanisms, the fixing mechanism includes two symmetrical distribution arc-shaped seats (1), two the arc-shaped seats (1) mirror image distribution, the opposite end of two the arc-shaped seats (1) is connected together by screw; Cross-shaped sliding slot (3) is opened in the connecting seat (2) fixedly installed between the arc-shaped seat (1) of same side, cross-shaped sliding block (6) is set in the sliding slot (3) of two the connecting seat (2) between, detector (4) is arranged between two the connecting seat (2), the bottom of two ends of the detector (4) is connected with base (5) by screw, sliding block (6) is fixedly installed on the base (5), the sliding block (6) is set as cross-shaped sliding block, the sliding block (6) is slidably arranged in the sliding slot (3) respectively; Lead screw (7) is arranged between two the arc-shaped seats (1) of same side, the end of lead screw (7) is rotatably installed on the arc-shaped seat (1), driving mechanism is arranged on the arc-shaped seat (1) of a side, the driving mechanism includes connecting shaft (8), the connecting shaft (8) is rotatably installed on the arc-shaped seat (1), the connecting shaft (8) is fixedly connected with lead screw (7), transmission wheel (9) is fixedly installed on the connecting shaft (8), servo motor (10) is fixedly installed on the arc-shaped seat (1), the output shaft end of servo motor (10) is fixedly installed with driving wheel (11), the driving wheel (11) is engaged with transmission wheel (9).

2. A leak monitoring system for long distance pipelines in oil and gas fields as claimed in claim 1 wherein, Protective cover is installed on the servo motor (10).

3. A leak monitoring system for long distance pipelines in oil and gas fields according to claim 2, characterized in that, Anti-skid line is arranged on the inner side of the arc-shaped seat (1).

4. A leak monitoring system for long distance pipelines in oil and gas fields as claimed in claim 3 wherein, The detector (4) is infrared sensor detection device, the detector (4) is used for monitoring the gas concentration change around pipeline, and the detection end of the detector (4) is arranged towards pipeline.

5. A leak monitoring system for long distance pipelines in oil and gas fields as claimed in claim 4 wherein, Connecting plate (12) is connected with the detector (4) by screw on both sides, the connecting plate (12) extends to the connecting seat (2) at lower end, annular plate (13) is fixedly installed on the lower end of the connecting plate (12), annular cotton bar (14) is fixedly connected on the annular plate (13), and the connecting plate (12) and annular plate (13) of both sides are symmetrically distributed.

6. A leak monitoring system for long distance pipelines in oil and gas fields as claimed in claim 5 wherein, Supporting block (15) is fixedly installed on both ends of the bottom of the detector (4), and cotton block (16) is fixedly connected on the bottom of the supporting block (15).

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