CN219160153U

CN219160153U - Long gas leakage detection device for natural gas pipeline

Info

Publication number: CN219160153U
Application number: CN202320173749.0U
Authority: CN
Inventors: 范火国; 邓小标; 贾义
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-06-09
Anticipated expiration: 2033-02-10

Abstract

The utility model discloses a gas leakage detection device for a long-distance natural gas pipeline, and belongs to the technical field of gas leakage detection of natural gas pipelines; comprising the following steps: the device comprises a bearing frame, a detection assembly and a moving assembly, wherein the bearing frame consists of two fixing pieces, semicircular holes and rib plates are arranged on the fixing pieces, and the two fixing pieces are detachably and fixedly sleeved on the bearing frame through the semicircular holes and the rib plates; the detection assembly includes: the detection probes are arranged on the inner wall of the fixing piece, close to the pipeline; the controller is arranged on the outer wall of the fixing piece, and an AVR central control processor is arranged in the controller and is in communication connection with the detection probe; the moving assembly is used for driving the bearing frame to slide along the outer wall of the natural gas pipeline; according to the utility model, the leakage detection is carried out without a manual pushing device, and the leakage of the pipeline can be timely notified to the staff, so that the pipeline is timely repaired, and the working efficiency is improved.

Description

Long gas leakage detection device for natural gas pipeline

Technical Field

The utility model relates to the technical field of natural gas pipeline gas leakage detection, in particular to a gas leakage detection device for a long-distance natural gas pipeline.

Background

Natural gas pipelines refer to pipelines that transport natural gas (including associated gas from oilfield production) from a production site or process plant to a municipal gas distribution center or industrial enterprise user, also known as gas pipelines. Natural gas is conveyed by utilizing a natural gas pipeline, and the natural gas is conveyed on land in a large quantity. With the continuous development of the economy of China, the town of China is continuously perfected, the use amount of natural gas is gradually increased, the natural gas is mainly conveyed through a pipeline in the conveying process, and the phenomena of pipeline leakage and the like can occur in the conveying process of the natural gas through the pipeline.

Chinese patent application number CN201821909096.3 discloses a natural gas pipeline transportation gas leakage detection device, which comprises: the pressure detectors are provided with a plurality of pressure detectors and are arranged on the inner walls of the first air conveying pipe and the second air conveying pipe at equal intervals along the length direction of the first air conveying pipe and the second air conveying pipe; the connecting pipe head is arranged at the end parts of the first air pipe and the second air pipe, and the first air pipe and the second air pipe are detachably connected through the connecting pipe head.

The natural gas pipeline conveying air leakage detection device in the patent has the following defects: the whole device does the gas leakage detection work of the natural gas pipeline, but in the gas leakage detection work process, the whole device still needs to be manually rotated for detection, so that the efficiency is low, the detection effect is relatively poor, and the detection work of the long-distance natural gas pipeline is not facilitated.

Disclosure of Invention

It is an object of the present disclosure to provide a leakage detection device for long-distance natural gas pipelines that overcomes at least one of the drawbacks of the prior art.

In order to solve the technical problems, the embodiment of the application discloses the following technical scheme:

an air leakage detection device for a long-distance natural gas pipeline, comprising:

the bearing frame consists of two fixing pieces, semicircular holes and rib plates are arranged on the fixing pieces, and the two fixing pieces are detachably and fixedly sleeved on the bearing frame through the semicircular holes and the rib plates;

a detection assembly, the detection assembly comprising:

the detection probes are arranged on the inner wall of the fixing piece, close to the pipeline, of the pipeline;

the controller is arranged on the outer wall of the fixing piece, an AVR central control processor is arranged in the controller, and the AVR central control processor is in communication connection with the detection probe;

and the moving assembly is used for driving the bearing frame to slide along the outer wall of the natural gas pipeline.

Preferably, the embodiment of the application further discloses: the moving assembly includes:

a moving wheel mounted on the extension of the fixed member;

the number of the electric winches is 2, the two electric winches are respectively arranged at two ends of the natural gas pipeline, the electric winches are connected with the fixing piece through ropes, and the two electric winches are all connected with the AVR central control processor in a communication mode.

Preferably, the embodiment of the application further discloses: the specific mode that the electric winch is connected with the fixing piece is as follows: the end face of the extension part far away from the moving wheel is provided with a connecting ring, and the rope is tied on the connecting ring.

a moving wheel mounted on the extension of the fixed member;

the hub motor is arranged on the movable wheel and is in communication connection with the AVR central control processor;

the mobile power supply is installed on the fixing piece and is electrically connected with the hub motor.

Preferably, the embodiment of the application further discloses: the mobile power supply is a rechargeable battery.

Preferably, the embodiment of the application further discloses: the fixing piece is provided with a protection hole, and the detection probe is fixed in the protection hole.

Preferably, the embodiment of the application further discloses: the air leakage detection device further includes: the portable alarm is in communication connection with the AVR central control processor.

Preferably, the embodiment of the application further discloses: the air leakage detection device further includes: a humidifying assembly, comprising:

a water tank;

the water pumps are all arranged on the outer wall of the fixing piece and are communicated with the water tank through water pipes;

the number of the spray heads is multiple, and the spray heads are communicated with the water pump through the multi-way connecting piece and the water pipe.

One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:

in this embodiment, through installing the electric capstan at natural gas line both ends, two electric capstan passes through rope and mounting fixed connection respectively, drive and bear the frame and slide on natural gas line, need not manual promotion, simultaneously, a plurality of test probes work, need not to rotate and can detect whether natural gas line leaks, when detecting natural gas line and leak, AVR central control treater control electric capstan stop work, thereby make bear the frame stop natural gas line leak department, make things convenient for the staff location natural gas line to reveal the position and carry out the pipeline restoration, the manual work has effectively been solved and has been carried out rotation detection with whole device, not only inefficiency, the detection effect is relatively worse moreover.

In the embodiment of the application, the portable alarm is arranged and is in communication connection with the AVR central control processor, when the leakage of the natural gas pipeline is detected, the AVR central control processor controls the portable alarm to alarm so as to remind the staff of the leakage of the natural gas pipeline, thus timely notifying the staff of the leakage of the natural gas pipeline, further timely repairing the pipeline, improving the working efficiency, effectively solving the problem that the detection result displayed on the controller is focused for a long time,

tired and takes up time to do other work.

In this application embodiment, be provided with humidification subassembly, humidification subassembly specifically includes: water tank, water pump, shower nozzle. In the moving process of the bearing frame, the spray nozzle sprays water mist, and the natural gas pipeline and the air are humidified, so that static electricity in the moving process of the bearing frame can be effectively eliminated, and static electricity sparks are avoided.

Drawings

Fig. 1 is a schematic structural diagram of a leakage detecting device for a long-distance natural gas pipeline according to embodiment 1 of the present utility model;

fig. 2 is a schematic view of a right side partial structure of a leakage detecting device for a long-distance natural gas pipeline according to embodiment 1 of the present utility model;

FIG. 3 is a schematic structural view of a fixing member according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a leakage detecting device for a long-distance natural gas pipeline according to embodiment 2 of the present utility model.

Reference numerals illustrate:

1. a fixing member; 11. a semicircular hole; 111. a support part; 12. rib plates; 121. a threaded hole; 13. a protection hole; 14. an extension; 141. a connecting ring; 2. a detection assembly; 21. a detection probe; 22. a controller; 3. a moving assembly; 31. an electric winch; 32. a rope; 33. a moving wheel; 34. a mobile power supply; 4. a humidifying assembly; 41. a water tank; 42. a water pump; 43. a spray head; 5. natural gas pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, terms such as "medium," "upper," "lower," "transverse," "inner," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

Example 1:

referring to fig. 1-3, the present embodiment discloses a leakage detecting device for a long-distance natural gas pipeline, comprising: a bearing frame, a detection assembly 2 and a moving assembly 3. The bearing frame consists of two fixing pieces 1, semicircular holes 11 and rib plates 12 are arranged on the fixing pieces 1, the two fixing pieces 1 pass through the semicircular holes 11 and the rib plates 12, supporting parts 111 are arranged on the circumferential side walls of the semicircular holes 11, the supporting parts 111 are in contact with a pipeline, and threaded holes 121 are formed in the rib plates 12; the semicircular holes 11 of the two fixing pieces 1 are spliced together, and are detachably and fixedly sleeved on the bearing frame through the matching of bolts and threaded holes 121; the detection assembly 2 comprises: a detection probe 21, and a controller 22. The number of the detection probes 21 is determined according to actual requirements, in this embodiment, the number of the detection probes is 4, and a plurality of the detection probes 21 are all arranged on the inner wall of the fixing piece 1, which is close to the pipeline; the controller 22 is mounted on the outer wall of the fixing piece 1, an AVR central control processor is arranged in the controller 22, and the AVR central control processor is in communication connection with the detection probe 21; the moving assembly 3 is used for driving the bearing frame to slide along the outer wall of the natural gas pipeline 5.

Referring to fig. 1 and 2, the moving assembly 3 specifically includes: a moving wheel 33 and an electric capstan 31. The moving wheels 33 are installed on the extending parts 14 of the fixing piece 1, the number of the moving wheels 33 and the extending parts 14 is determined according to actual requirements, and in the embodiment, the number of the moving wheels 33 and the extending parts 14 is 4; the number of the electric winches 31 is 2, the two electric winches 31 are respectively arranged at two ends of the natural gas pipeline 5 (arranged on one side of the natural gas pipeline 5 or on the natural gas pipeline 5), the electric winches 31 are connected with the fixing piece 1 through ropes 32, and the fixing piece 1 is connected in the following concrete mode: an attachment ring 141 is provided on the end face of the extension 14 of one of the fixing elements 1 remote from the moving wheel 33, the rope 32 being tied to the attachment ring 141. Both the electric winches 31 are in communication connection with the AVR central control processor.

The working principle is as follows: through installing the electric capstan 31 at natural gas line 5 both ends, two electric capstan 31 pass through rope 32 and mounting 1 fixed connection respectively, drive and bear the frame and slide on natural gas line 5, simultaneously, a plurality of detection probes 21 work, detect whether natural gas line 5 leaks, when detecting natural gas line 5 and leak, AVR central control processor control electric capstan 31 stop work to make bear the frame stop natural gas line 5 leak site, make things convenient for the staff to fix a position natural gas line 5 leak site and carry out the pipeline restoration.

Referring to fig. 3, in order to reduce the damage rate of the detection probe 21, the fixing member 1 is provided with a protection hole 13, and the detection probe 21 is fixedly installed in the protection hole 13.

In order to inform the staff of the leakage of the pipeline in time so as to carry out timely pipeline repair, the leakage detection device for the long-distance natural gas pipeline 5 further comprises: the portable alarm is in communication connection with the AVR central control processor. When the leakage of the natural gas pipeline 5 is detected, the AVR central control processor controls the portable alarm to alarm, and the leakage of the natural gas pipeline 5 is reminded to the staff.

Referring to fig. 2, in order to eliminate static electricity generated during the movement of the carrier and avoid static spark, the air leakage detection device for the long natural gas pipeline 5 further includes: humidification assembly 4, humidification assembly 4 specifically includes: a water tank 41, a water pump 42 and a spray head 43. The water tanks 41 are all arranged on the outer wall of the fixing piece 1, and the water pump 42 is communicated with the water tanks 41 through water pipes. The number of the spray heads 43 is 4, the spray heads 43 are communicated with the water pump 42 through a multi-way connecting piece and a water pipe, and in the moving process of the bearing frame, the spray heads 43 spray water mist to humidify the natural gas pipeline 5 and the air.

Example 2:

referring to fig. 4, this embodiment is different from embodiment 1 in that: the moving assembly 3 is different, and the moving assembly 3 specifically includes: a movable wheel 33, an in-wheel motor and a movable power supply 34. The moving wheel 33 is mounted on the extension 14 of the fixed part 1. The hub motor is mounted on the moving wheel 33 and is in communication connection with the AVR central control processor. The mobile power source 34 may be implemented as a rechargeable battery, and is mounted on the fixing member 1, and the mobile power source 34 is electrically connected to the in-wheel motor, or of course, may be directly connected to the moving wheel through an output shaft of a common motor to drive the moving wheel 33 to move.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown throughout. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. An air leakage detection device for a long-distance natural gas pipeline, which is characterized by comprising:

the bearing frame consists of two fixing pieces (1), semicircular holes (11) and rib plates (12) are formed in the fixing pieces (1), and the two fixing pieces (1) are detachably and fixedly sleeved on the bearing frame through the semicircular holes (11) and the rib plates (12);

-a detection assembly (2), the detection assembly (2) comprising:

the detection probes (21) are multiple, and the detection probes (21) are arranged on the inner wall, close to the pipeline, of the fixing piece (1);

the controller (22) is arranged on the outer wall of the fixing piece (1), an AVR central control processor is arranged in the controller (22), and the AVR central control processor is in communication connection with the detection probe (21);

and the moving assembly (3) is used for driving the bearing frame to slide along the outer wall of the natural gas pipeline (5).

2. The gas leakage detection device for long-distance natural gas pipelines according to claim 1, wherein: the moving assembly (3) comprises:

a moving wheel (33), the moving wheel (33) being mounted on an extension (14) of the fixture (1);

electric capstan (31), electric capstan (31) quantity is 2, and two electric capstan (31) set up respectively at the both ends of natural gas line (5), electric capstan (31) pass through rope (32) with mounting (1) link together, two electric capstan (31) all with AVR central control processor communication is connected.

3. The gas leakage detection device for long-distance natural gas pipelines according to claim 2, wherein: the specific mode that the electric winch (31) is connected with the fixing piece (1) is as follows: a connecting ring (141) is arranged on the end surface of the extension part (14) far away from the moving wheel (33), and the rope (32) is tied on the connecting ring (141).

4. The gas leakage detection device for long-distance natural gas pipelines according to claim 1, wherein: the moving assembly (3) comprises:

the hub motor is arranged on the movable wheel (33) and is in communication connection with the AVR central control processor;

the mobile power supply (34), the mobile power supply (34) is installed on the mounting (1), the mobile power supply (34) with in-wheel motor electric connection.

5. The gas leakage detection device for long-distance natural gas pipelines according to claim 4, wherein: the mobile power supply (34) is a rechargeable battery.

6. The gas leakage detection device for long-distance natural gas pipelines according to claim 1 or 2, characterized in that: the fixing piece (1) is provided with a protection hole (13), and the detection probe (21) is fixedly arranged in the protection hole (13).

7. The gas leakage detection device for long-distance natural gas pipelines according to claim 1 or 4, wherein: the air leakage detection device further includes: the portable alarm is in communication connection with the AVR central control processor.

8. The gas leakage detection device for long-distance natural gas pipelines according to claim 1, wherein: the air leakage detection device further includes: a humidifying assembly (4) comprising:

a water tank (41);

the water pumps (42) are arranged on the outer wall of the fixing piece (1), and the water pumps (42) are communicated with the water tanks (41) through water pipes;

the number of the spray heads (43) is multiple, and the spray heads (43) are communicated with the water pump (42) through the multi-way connecting piece and the water pipe.