CN211260378U - A natural gas pipeline leak detection device - Google Patents

Abstract

The utility model discloses a natural gas line leak testing device, including the device main part. In the utility model, the signal detected by the methane concentration detector is transmitted to the controller, the controller controls the first air pump to inflate the first air bag and the second air bag, so that the first air bag and the second air bag can temporarily block the natural gas pipeline interface, the continuous leakage of natural gas is avoided, the safety of the pipeline can be ensured, the waste of resources can be avoided, the time is won for maintenance personnel to catch up with the maintenance, and when the detector monitors the natural gas leakage, the controller controls the alarm to work, and the operator on duty is warned; the utility model discloses in, through the work of controller control second aspiration pump, the second aspiration pump can extract the natural gas that has revealed, then carries and burns in the burning storehouse and handle, avoids because the natural gas leaks and can not get the bigger harm that the processing caused.

Description

A natural gas pipeline leak detection device

technical field

The utility model belongs to the technical field of natural gas leakage detection devices, in particular to a natural gas pipeline leakage detection device.

Background technique

Natural gas is a gaseous fossil fuel mainly composed of methane. It is mainly found in oil and gas fields, and a small amount in coal seams. Natural gas is also buried in closed underground geological structures like crude oil. Some are stored in the same layer as crude oil, and some exist alone. For natural gas stored in the same layer as crude oil, it will be mined together with crude oil. Natural gas pipeline is a pipeline that transports natural gas, including associated gas produced in oil fields, from mining sites or processing plants to urban gas distribution centers or industrial enterprise users, also known as pipelines. gas pipeline. Using natural gas pipelines to transport natural gas is the only way to transport a large amount of natural gas on land. If a natural gas pipeline leaks, it will cause serious consequences.

The traditional natural gas pipeline leak detection device does not detect the natural gas pipeline in a closed environment, which is easily affected by the external environment, and does not guarantee the accuracy of detection. At the same time, the labor intensity of the operator is very large. , the work efficiency is low, and the operator cannot view the detection data in real time. When natural gas leakage is detected, the detection device will not automatically alarm, and the existing detection device can only detect whether natural gas leakage occurs, but cannot take measures after the leakage. certain measures to stop leaks.

Therefore, in order to solve the above problems, the utility model provides a natural gas pipeline leak detection device.

For the problems in the related technologies, no effective solutions have been proposed so far.

Utility model content

The purpose of the present invention is to provide a natural gas pipeline leak detection device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a natural gas pipeline leak detection device, comprising a device main body, a first box body is installed on the top of the device main body, and an alarm is installed on the top of the first box body , a first air pump is installed on one side of the alarm, a controller is installed on one side of the first air pump, and a first air bag and a methane concentration detector are installed on the inner top of the first box. A second box is installed at the bottom end of the first box, a second airbag is installed inside the second box, a combustion chamber is installed on one side of the main body of the device, and a second air bag is installed at the top of the combustion chamber. An air extraction pump, a combustion chamber is arranged in the combustion chamber, the second air extraction pump and the combustion chamber are connected through a second gas delivery pipe, and an automatic ignition switch is installed in the combustion chamber.

Further, the first air pump is connected with the first air bag and the second air bag through a first air delivery pipe.

Further, the model of the controller is MAM-100, and signals are passed between the controller and the alarm, the first air pump, the methane concentration detector, the second air pump and the automatic ignition switch. line connection.

Further, a semicircular groove is provided at the junction of both ends of the first box body and the second box body, and a first natural gas transportation pipe and a second natural gas transportation pipe are installed in the semicircular groove, and the first natural gas transportation pipe A pipeline interface is installed at the junction of the natural gas transportation pipe and the second natural gas transportation pipe.

Further, both the first air bag and the second air bag are arranged around the pipe interface.

Further, locks are installed at the intersections of the two sides of the first box body and the second box body.

Further, a first support rod is fixedly installed on one side of the inner side of the second box body, and a second support rod is fixedly installed on the other side of the inside of the second box body, and the top end of the first support rod is connected to the first natural gas transportation pipe. The bottom end of the second support rod is connected with the bottom end of the second natural gas transportation pipe.

Further, an exhaust pipe is installed on one side of the combustion chamber.

Compared with the prior art, the utility model has the following beneficial effects:

1. In this utility model, by transmitting the detected signal to the controller at the methane concentration detector, the controller controls the first air pump to inflate the first air bag and the second air bag, so that the first air bag and the second air bag can temporarily The natural gas pipeline interface is blocked to avoid the continuous leakage of natural gas, which can not only ensure the safety of the pipeline but also avoid the waste of resources, but also buy time for the maintenance personnel to come and repair, and the natural gas leakage is detected by the detector. At the same time, the controller will control the alarm to start working to warn the on-duty personnel.

2. In this utility model, the operation of the second air pump is controlled by the controller, and the second air pump can extract the leaked natural gas, and then transport it to the combustion chamber for combustion treatment, so as to avoid the leakage of natural gas without treatment. greater harm.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is one of the partial structural representations of the utility model;

FIG. 3 is the second schematic diagram of the partial structure of the utility model.

FIG. 4 is a system diagram of the present invention.

Reference number:

1. Main body of the device; 2. The first box; 201, the alarm device; 202, the first air pump; 203, the controller; 204, the first gas pipe; 205, the first air bag; 206, the methane concentration detector; 3 301, the first support rod; 302, the second support rod; 303, the second air bag; 4, the lock; 5, the combustion chamber; 501, the second air pump; 502, the second gas delivery pipe; 503, combustion chamber; 504, automatic ignition switch; 505, exhaust pipe; 6, first natural gas transportation pipe; 7, second natural gas transportation pipe; 8, pipeline interface.

Detailed ways

Below, in conjunction with the accompanying drawings and specific embodiments, the utility model is further described:

1-4, a natural gas pipeline leak detection device according to an embodiment of the present invention includes a device main body 1, including a device main body 1, the top of the device main body 1 is mounted with a first box 2, the An alarm device 201 is installed on the top of the box body 2, a first air pump 202 is installed on one side of the alarm device 201, and a controller 203 is installed on one side of the first air pump 202. A first air bag 205 and a methane concentration detector 206 are installed at the inner top of the first case 2, a second case 3 is installed at the bottom end of the first case 2, and a second air bag 303 is installed inside the second case 3, One side of the device main body 1 is provided with a combustion chamber 5, a second air pump 501 is installed at the top of the combustion chamber 5, a combustion chamber 503 is arranged in the combustion chamber 5, and the second air pump 501 is connected to the combustion chamber 5. The combustion chambers 503 are connected through a second gas delivery pipe 502 , and an automatic ignition switch 504 is installed in the combustion chambers 503 .

Through the above solution of the present invention, the first air pump 202 is connected with the first air bag 205 and the second air bag 303 through the first air delivery pipe 204; the model of the controller 203 is MAM- 100, and the controller 203 is connected with the alarm device 201, the first air pump 202, the methane concentration detector 206, the second air pump 501 and the automatic ignition switch 504 through signal lines; A semi-circular groove is provided at the junction of both ends of the first box 2 and the second box 3, and a first natural gas transportation pipe 6 and a second natural gas transportation pipe 7 are installed in the semicircular groove. The first natural gas transportation pipe A pipeline interface 8 is installed at the junction of the pipe 6 and the second natural gas transportation pipe 7; the first airbag 205 and the second airbag 303 are both arranged around the pipeline interface 8; the first box 2 and the Locks 4 are installed at the junctions of both sides of the second box body 3 ; a first support rod 301 is fixedly installed on one side of the inside of the second box body 3 , and a second support rod is fixedly installed on the other side of the inside of the second box body 3 Rod 302, the top end of the first support rod 301 is connected with the bottom end of the first natural gas transportation pipe 6, and the top end of the second support rod 302 is connected with the bottom end of the second natural gas transportation pipe 7 ; An exhaust pipe 505 is installed on one side of the combustion chamber 503 .

In specific application, firstly install the first box body 2 and the second box body 3 at the position of the pipeline interface 8 at the joint of the first natural gas transportation pipe 6 and the second natural gas transportation pipe 7, when the natural gas occurs at the position of the pipeline interface 8 When there is leakage, the methane concentration detector 206 inside the first box 2 will immediately transmit the detected data to the controller 203, and the controller 203 will immediately activate the alarm 201 to warn the on-duty personnel, and at the same time The controller 203 starts the first air pump 202 and starts to inflate the first air bag 205 and the second air bag 303, so that the first air bag 205 and the second air bag 303 can temporarily block the position of the pipeline interface 8 to prevent the continuous flow of natural gas. Then the second air pump 501 is controlled by the controller 203 to extract and transport the natural gas that has leaked in the outside to the combustion chamber 503, and the controller 203 starts the automatic ignition switch 504 to burn the natural gas in the combustion chamber 503. The leaked gas is exhausted through the exhaust pipe 505 to avoid more harm caused by the leaked natural gas.

Finally, it should be noted that the above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (8)

1. A natural gas pipeline leakage detection device, characterized in that it comprises a device main body (1), a first box body (2) is installed on the top of the device main body (1), and the first box body (2) has a An alarm (201) is installed at the top, a first air pump (202) is installed on one side of the alarm (201), and a controller (203) is installed on one side of the first air pump (202), so A first air bag (205) and a methane concentration detector (206) are installed at the inner top of the first box body (2), and a second box body (3) is installed at the bottom end of the first box body (2), A second airbag (303) is installed inside the second box body (3), a combustion chamber (5) is installed on one side of the device main body (1), and a second airbag (5) is installed at the top of the combustion chamber (5). an air suction pump (501), a combustion chamber (503) is arranged in the combustion chamber (5), and the second air suction pump (501) and the combustion chamber (503) are connected by a second air delivery pipe (502) , an automatic ignition switch (504) is installed in the combustion chamber (503). 2. A natural gas pipeline leak detection device according to claim 1, characterized in that, between the first air pump (202), the first air bag (205) and the second air bag (303) All are connected through the first air pipe (204). 3. A natural gas pipeline leak detection device according to claim 1, characterized in that, the controller (203) is a model of MAM-100, and the controller (203) and the alarm (201) ), the first air pump (202), the methane concentration detector (206), the second air pump (501) and the automatic ignition switch (504) are all connected through signal lines. 4. A natural gas pipeline leak detection device according to claim 1, characterized in that, semicircular grooves are provided at the junctions of both ends of the first box body (2) and the second box body (3) , a first natural gas transportation pipe (6) and a second natural gas transportation pipe (7) are installed in the semicircular groove, and the first natural gas transportation pipe (6) and the second natural gas transportation pipe (7) are installed at the junction There are pipe connections (8). 5 . The natural gas pipeline leak detection device according to claim 4 , wherein the first air bag ( 205 ) and the second air bag ( 303 ) are both arranged around the pipeline interface ( 8 ). 6 . 6. A natural gas pipeline leak detection device according to claim 1, characterized in that, locks are installed at the junctions of both sides of the first box body (2) and the second box body (3) (4). 7. The natural gas pipeline leak detection device according to claim 4, characterized in that, a first support rod (301) is fixedly installed on one inner side of the second box body (3), and the other inner side thereof is fixedly installed with a first support rod (301). A second support rod (302) is fixedly installed, the top end of the first support rod (301) is connected with the bottom end of the first natural gas transportation pipe (6), and the top end of the second support rod (302) It is connected with the bottom end of the second natural gas transportation pipe (7). 8 . The natural gas pipeline leak detection device according to claim 1 , wherein an exhaust pipe ( 505 ) is installed on one side of the combustion chamber ( 503 ). 9 .

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