Natural gas pipeline joint leakage detection equipment

Abstract

The utility model provides a natural gas pipeline joint leak detection device, which relates to the technical field of leak detection devices, and comprises a shell body, a throttle mechanism is movably embedded in the inner surface wall of the shell body, an adjusting mechanism is movably inserted in the throttle mechanism, the shell body comprises a lower shell, four sliding grooves are formed in the lower shell, and the lower shell is provided with an upper sliding groove and a lower sliding groove. Four telescopic spring rods are fixedly connected to the interior of the lower shell, and clamping blocks are fixedly connected to one sides of the outer walls of the four telescopic spring rods. According to the device, the throttling valve communicates with the natural gas output end and the equipment input end to achieve installation and use, the throttling device is installed in the shell body, when natural gas leaks, the shell body can be disassembled conveniently, workers can overhaul internal equipment conveniently, operation is convenient, and the working efficiency is improved. And the use stability is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of leakage detection equipment, in particular to a leakage detection equipment for a natural gas pipeline connection. Background Art

[0002] A natural gas pipeline refers to a pipeline that transports natural gas (including associated gas produced in oil fields) from the production site or processing plant to urban gas distribution centers or industrial enterprise users. It is also called a gas transmission pipeline. The use of natural gas pipelines to transport natural gas is a way to transport large quantities of natural gas on land. Natural gas pipelines account for about half of the world's total pipeline length.

[0003] The installation method of the connection between the leak detection equipment and the pipeline is complicated and inconvenient to use. The sealing effect of the leak detection equipment is poor, the detection effect is poor, the leak detection equipment cannot feedback the detection information in time, and the use effect is poor. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that when the above-mentioned equipment is in use, it is inconvenient to disassemble the equipment, which leads to inconvenience in equipment maintenance, and a natural gas pipeline connection leakage detection device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a natural gas pipeline connection leak detection device, comprising a conveying body, wherein the input and output ends of the conveying body are fixedly connected with a detection mechanism;

[0006] The detection mechanism includes a gas leak detector, the outer wall of the gas leak detector is fixedly connected to two detection device analyzers, the top of the gas leak detector is fixedly connected to a fixing seat, the inner wall of the fixing seat is threadedly connected to an alarm light, two groups of voice modules are provided on the top of the gas leak detector, one side of the outer wall of the gas leak detector is fixedly connected to a dashboard, and the input end of the gas leak detector is fixedly connected to a power head.

[0007] Preferably, the conveying body includes a conveying pipe, and one side of the outer wall of the conveying pipe is fixedly connected with two flanges A.

[0008] Preferably, the inner surface walls of the two flanges A are both provided with sealing grooves, and the inner surface walls of the two sealing grooves are both movably inserted with sealing rings.

[0009] Preferably, one side of the outer wall of the two sealing rings is fixedly connected with a flange B, and one side of the outer wall of the two flanges B is fixedly connected with an external pipe.

[0010] Preferably, a fixing groove is provided at the top of the two external tubes, a natural gas detection probe is fixedly inserted into the inner wall of the two fixing grooves, the output ends of the two natural gas detection probes are fixedly connected with wires, and a connecting component (110) is movably inserted between the inner wall of the two flanges A and the flange B.

[0011] Preferably, the output ends of the two wires are fixedly connected to the input ends of the analyzer of the detection device.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] In the utility model, the communication between the delivery pipe and the two external pipes can be completed by connecting four flanges under the cooperation of the delivery main body and the detection mechanism, and natural gas detection probes are arranged at the output and input ends of the two external pipes, and the detection results are transmitted to the inside of the detection mechanism at both ends of the equipment. By comparing the data, it is possible to determine whether a natural gas leak is detected. When a natural gas leak is detected, a warning can be given to the outside world by sound and light, and the leak detection efficiency is high, and the leak detection effect and practicability are good.

[0014] In the utility model, by movably inserting the sealing ring in the sealing groove under the cooperation of the conveying main body and the detection mechanism, the sealing performance of the connection between the conveying pipe and the two external pipes can be effectively maintained, and the sealing performance of the whole equipment can be maintained. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a main structural stereogram of a natural gas pipeline connection leak detection device;

[0016] Figure 2 The utility model proposes a three-dimensional disassembled diagram of the conveying main body in a leak detection device at a natural gas pipeline connection;

[0017] Figure 3 The utility model provides a three-dimensional disassembled diagram of a detection mechanism in a natural gas pipeline connection leak detection device;

[0018] Figure 4 The utility model provides a formal plan view of the detection mechanism part of a natural gas pipeline connection leakage detection device.

[0019] Legend:

[0020] 1. Conveying body; 101. Conveying pipe; 102. Flange A; 103. Sealing groove; 104. Sealing ring; 105. Flange B; 106. External pipe; 107. Fixing groove; 108. Natural gas detection probe; 109. Wire; 110. Connecting assembly;

[0021] 2. Detection mechanism; 201. Gas leak detector; 202. Detection device analyzer; 203. Fixed base; 204. Warning light; 205. Voice module; 206. Instrument panel; 207. Power head. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model is a natural gas pipeline connection leak detection device, comprising a conveying body 1, and a detection mechanism 2 is fixedly connected between the input and output ends of the conveying body 1;

[0025] The detection mechanism 2 includes a gas leak detector 201, the outer wall of the gas leak detector 201 is fixedly connected to two detection device analyzers 202, the top of the gas leak detector 201 is fixedly connected to a fixing seat 203, the inner wall of the fixing seat 203 is threadedly connected to an alarm light 204, two groups of voice modules 205 are provided on the top of the gas leak detector 201, one side of the outer wall of the gas leak detector 201 is fixedly connected to a dashboard 206, and the input end of the gas leak detector 201 is fixedly connected to a power head 207.

[0026] The effect achieved by the entire embodiment 1 is that, first, the alarm light 204 can be threadedly connected to the inside of the fixing base 203, and through this connection method, the alarm light 204 can be replaced, and the power head 207 is inserted into the external plug, which can transmit current to the inside of the detection mechanism 2, thereby keeping it in a startup state, and continuously forming a natural gas leakage detection for a long time. After the natural gas leakage is detected, the detection mechanism 2 can be started, the alarm light 204 is kept flashing, and voice reminders appear in the two sets of voice modules 205, and sound and light warnings are formed, thereby maintaining a warning effect on the outside, so as to remind the staff that natural gas leakage occurs.

[0027] Embodiment 2, as Figure 2-Figure 4As shown, the conveying body 1 includes a conveying pipe 101, and two flanges A102 are fixedly connected to one side of the outer wall of the conveying pipe 101, and the inner walls of the two flanges A102 are provided with sealing grooves 103, and the inner walls of the two sealing grooves 103 are movably inserted with sealing rings 104, and the outer walls of the two sealing rings 104 are fixedly connected to flanges B105, and the outer walls of the two flanges B105 are fixedly connected to one side of the external pipe 106, and the tops of the two external pipes 106 are provided with fixing grooves 107, and the inner walls of the two fixing grooves 107 are fixedly inserted with natural gas detection probes 108, and the output ends of the two natural gas detection probes 108 are fixedly connected with wires 109, and connecting components 110 are movably inserted between the two flanges A102 and the inner walls of the flanges B105, and the output ends of the two wires 109 are fixedly connected to the input end of the detection device analyzer 202.

[0028] The effect achieved by the entire embodiment 2 is that, first, through the two flanges A102 and the two flanges B105, the two sets of connecting components 110 can maintain the connection processing between the two sets of flanges A102 and the flanges B105, and can effectively realize the connection processing between the delivery pipe 101 and the two external pipes 106, and in this connected state, the natural gas can be transported inside the delivery pipe 101 and the two external pipes 106.

[0029] Working principle: First, when in use, through two flanges A102 and two flanges B105, two sets of connecting components 110 can maintain the connection between the two sets of flanges A102 and flanges B105, and can effectively realize the connection between the delivery pipe 101 and the two external pipes 106. In this connected state, the natural gas can be transported inside the delivery pipe 101 and the two external pipes 106, and the power supply head 207 is inserted in the external plug, which can transmit the current to the inside of the detection mechanism 2, so as to keep it in a startup state and continuously form the detection of natural gas leakage for a long time. First, the two natural gas detection probes 108 are respectively inserted Inside the two external pipes 106, the transmission and output of natural gas can be effectively detected and processed. The two natural gas detection probes 108 can transmit the detected data to the inside of the detection device analyzer 202 respectively, and continuously analyze them. When the difference between the data transmitted therein is too large, it indicates that there is a problem of natural gas leakage during the transportation process. At this time, the internal PLC controller can start the gas leak detector 201 and the detection mechanism 2, keep the alarm light 204 flashing and voice reminders appearing in the two sets of voice modules 205, and form sound and light warnings, thereby maintaining a warning effect on the outside to remind the staff that natural gas is leaking.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A natural gas pipeline connection leak detection device, characterized in that: It comprises a conveying body (1), wherein a detection mechanism (2) is fixedly connected between the input and output ends of the conveying body (1); The detection mechanism (2) comprises a gas leak detector (201); the outer wall of the gas leak detector (201) is fixedly connected to two detection device analyzers (202); the top of the gas leak detector (201) is fixedly connected to a fixing seat (203); the inner wall of the fixing seat (203) is threadedly connected to an alarm light (204); the top of the gas leak detector (201) is provided with two groups of voice modules (205); one side of the outer wall of the gas leak detector (201) is fixedly connected to a dashboard (206); and the input end of the gas leak detector (201) is fixedly connected to a power supply head (207).

2. A natural gas pipeline connection leak detection device according to claim 1, characterized in that: The conveying body (1) comprises a conveying pipe (101), and one side of the outer wall of the conveying pipe (101) is fixedly connected to two flanges A (102).

3. A natural gas pipeline connection leak detection device according to claim 2, characterized in that: The inner surfaces of the two flanges A (102) are each provided with a sealing groove (103), and the inner surfaces of the two sealing grooves (103) are each provided with a sealing ring (104) movably inserted therein.

4. A natural gas pipeline connection leak detection device according to claim 3, characterized in that: One side of the outer wall of the two sealing rings (104) is fixedly connected to a flange plate B (105), and one side of the outer wall of the two flange plates B (105) is fixedly connected to an external pipe (106).

5. A natural gas pipeline connection leak detection device according to claim 4, characterized in that: A fixing groove (107) is provided at the top of each of the two external pipes (106); a natural gas detection probe (108) is fixedly inserted into the inner surface wall of each of the two fixing grooves (107); output ends of each of the two natural gas detection probes (108) are fixedly connected to a wire (109); and a connecting assembly (110) is movably inserted between each of the two flanges A (102) and the inner surface wall of the flange B (105).

6. A natural gas pipeline connection leak detection device according to claim 5, characterized in that: The output ends of the two wires (109) are both fixedly connected to the input end of the detection device analyzer (202).

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