CN214332347U - Detection apparatus for natural gas line leaks - Google Patents

Abstract

The utility model discloses a natural gas pipeline leakage detection device, which comprises a protective sleeve, a binding strip, a detection component and a check valve component; the protective sleeve is wrapped on the natural gas pipeline, the binding strip and the protective sleeve are matched for use to seal the protective sleeve, and the detection assembly and the check valve assembly are arranged in the binding strip; the overall width of the protective sleeve is not less than the outer circumference of the natural gas pipeline; the detection assembly comprises an isolation plate, a concentration detector, a buzzer and a signal controller, wherein the isolation plate is arranged inside the binding strip, and the isolation plate divides the binding strip into an upper cavity and a lower cavity; the device can efficiently alarm natural gas leakage, when the concentration detector detects that the concentration of the natural gas in the upper cavity exceeds a preset value, a signal is transmitted to the signal controller, the signal controller controls the buzzer to be started to alarm, and meanwhile, the signal is transmitted to the remote receiver to inform the position coordinate of leakage; the personnel of facilitating the carry out quick location.

Description

Detection apparatus for natural gas line leaks

Technical Field

The utility model belongs to the technical field of the natural gas processing technique and specifically relates to a detection apparatus for natural gas line leaks.

Background

The natural gas is a well-known high-quality energy source and has the advantages of cleanness, environmental protection, high heat value, full combustion and the like. Meanwhile, natural gas is a precious chemical raw material and can be used as a production raw material of various chemical products;

the existing natural gas leakage detection device needs people to perform fixed-point detection around the outer wall of a natural gas pipeline, and can only detect one position at a time, and the missing situation easily occurs, when natural gas leaks, the alarm cannot be timely and effectively performed, and the existing detection assembly is complex in structure and difficult to install, cannot rapidly and additionally install the detection assembly on the old pipeline, and brings danger for natural gas use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at: to above-mentioned problem, provide a detection device that natural gas line leaked, solved among the prior art natural gas and detected, reported to the police untimely, and the installation difficulty, can't be to the problem of old pipeline quick installation.

The utility model discloses a realize through following scheme:

a natural gas pipeline leakage detection device comprises a protective sleeve, a binding strip, a detection assembly and a check valve assembly; the protective sheath parcel sets up on the natural gas pipeline, the constraint strip is used with the protective sheath cooperation and is sealed the protective sheath, determine module and check valve subassembly all set up in the constraint strip.

Based on the detection device for the leakage of the natural gas pipeline, the whole width of the protective sleeve is not less than the outer circumference of the natural gas pipeline.

Based on above-mentioned natural gas line leaks detection device, the determine module includes division board, concentration detector, bee calling organ and signal controller, the division board sets up inside the tie strip, and the division board is split into upper portion cavity and lower part cavity with the tie strip.

Based on above-mentioned natural gas line leaks detection device, set up inside connecting pipe and outside connecting pipe on the division board, inside connecting pipe runs through the division board setting, and two cavitys communicate about inside connecting pipe will, outside connecting pipe runs through the constraint strip setting, and outside connecting pipe communicates upper portion cavity and external environment.

Based on above-mentioned natural gas line leaks detection device, the protective sheath is held and is tied including the protection, the tie is held and is set up perpendicularly respectively in protection end both sides, be provided with the antifriction layer on protection end and the external contact surface.

Based on the detection device that above-mentioned natural gas line leaked, the constraint strip wholly is the cell type structure, be provided with on the constraint strip with the constraint joint end that matches mutually.

Based on above-mentioned natural gas line leaks detection device, the constraint strip is whole to be rigid structure, constraint strip and joint end back, joint end and the junction of constraint end are provided with sealed glue.

Based on the detection device for the leakage of the natural gas pipeline, the isolation plate, the concentration detector, the buzzer and the signal controller are respectively arranged in the upper cavity, and the signal controller is respectively connected with the buzzer and the concentration detector.

Based on the detection device that above-mentioned natural gas line leaked, still be provided with remote receiver, signal controller is connected with remote receiver electricity.

Based on the detection device for the leakage of the natural gas pipeline, the check valve assembly comprises a first check valve and a second check valve, the first check valve is arranged in the inner connecting pipe, and the second check valve is arranged in the outer connecting pipe.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the device can efficiently alarm natural gas leakage, when the concentration detector detects that the concentration of the natural gas in the upper cavity exceeds a preset value, a signal is transmitted to the signal controller, the signal controller controls the buzzer to be started to alarm, and meanwhile, the signal is transmitted to the remote receiver to inform the position coordinate of leakage; the personnel of facilitating the carry out quick location.

2. The device can be quickly and efficiently installed for old natural gas pipelines, and can also play a good role in preventing leakage for old pipelines.

Drawings

FIG. 1 is a schematic cross-sectional structure of the whole body of the present invention;

FIG. 2 is an enlarged schematic view of the binding strip of the present invention;

FIG. 3 is a schematic structural view of the whole body of the present invention;

description of the drawings: 1. a protective sleeve; 2. a tie strip; 3. a detection component; 4. a one-way valve assembly; 5. rubber partition; 6. a natural gas pipeline; 21. a protection end; 22. a binding end; 23. a wear resistant layer; 24. sealing glue; 31. a separator plate; 32. a concentration detector; 33. a buzzer; 34. a signal controller; 35. an inner connecting tube; 36. an external connection pipe; 37. a clamping end; 41. a first check valve; 42. a second one-way valve.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the designated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

Example 1

As shown in fig. 1 to 3, a natural gas pipeline leakage detection device comprises a protective sleeve 1, a binding strip 2, a detection assembly 3 and a check valve assembly 4; the protective sleeve 1 is wrapped on the natural gas pipeline 6, the binding strip 2 is matched with the protective sleeve 1 for use to seal the protective sleeve 1, and the detection assembly 3 and the check valve assembly 4 are both arranged in the binding strip 2;

protective sheath 1 is made for the rubber material, and protective sheath 1 flexible setting, the whole width of protective sheath 1 is not less than the outside girth of natural gas line 6, makes protective sheath 1 when wrapping up natural gas line 6 fixedly, can wrap up completely, and leaves the gap, when natural gas line 6 takes place to leak, can flow to determine module 3 along the clearance.

Protective sheath 1 is including protecting end 21 and constraint end 22, constraint end 22 sets up in protection end 21 both sides perpendicularly respectively, constraint end 22 is "L" shape setting, conveniently carries out the block with constraint strip 2.

The wear-resistant layer 23 is arranged on the contact surface of the protection end 21 and the outside, so that the protection performance of the protection sleeve 1 is enhanced, and the service life of the protection sleeve 1 is prolonged.

The whole binding strip 2 is of a groove-shaped structure, a clamping end 37 matched with the binding end 22 is arranged on the binding strip 2, and the binding end 22 is matched and fixed with the clamping end 37 to complete quick fixation of the protective sleeve 1 and the binding strip 2;

the whole rigid structure that is of constraint strip 2, behind constraint strip 2 and joint end 37, joint end 37 and the junction of constraint end 22 are provided with sealed glue 24, guarantee to detect back gas tightness.

The detection assembly 3 comprises a separation plate 31, a concentration detector 32, a buzzer 33 and a signal controller 34, wherein the separation plate 31 is arranged inside the binding strip 2, and the separation plate 31 divides the binding strip 2 into an upper cavity and a lower cavity;

set up inside connecting pipe 35 and outside connecting pipe 36 on the division board 31, inside connecting pipe 35 runs through the setting of division board 31, and two cavitys communicate about inside connecting pipe 35 will, outside connecting pipe 36 runs through the setting of tie strip 2, and outside connecting pipe 36 communicates upper portion cavity and external environment.

The isolation plate 31, the concentration detector 32, the buzzer 33 and the signal controller 34 are respectively arranged in the upper cavity, the concentration detector 32 is used for detecting the concentration of leaked natural gas in the upper cavity, and the signal controller 34 is respectively connected with the buzzer 33 and the concentration detector 32;

when the concentration detector 32 detects that the concentration of the natural gas in the upper cavity exceeds a preset value, a signal is sent to the signal controller 34, and the signal controller 34 controls the buzzer 33 to be started to give an alarm.

In other embodiments, there is a remote receiver, the signal controller 34 is electrically connected to the remote receiver, when the concentration detector 32 detects that the concentration of the natural gas in the upper cavity exceeds a preset value, the signal is sent to the signal controller 34, the signal controller 34 controls the buzzer 33 to be turned on, an alarm is given, and meanwhile, a signal is sent to the remote receiver to inform the position coordinate of leakage; the personnel of facilitating the carry out quick location.

The check valve assembly 4 includes a first check valve 41 and a second check valve 42, the first check valve 41 being disposed in the inner connection pipe 35, the second check valve 42 being disposed in the outer connection pipe 36; when leakage occurs and the leakage pressure reaches a certain value, the first one-way valve 41 is opened, at the moment, natural gas begins to overflow from the upper cavity, the buzzer 33 is started to give an alarm, and when the pressure in the upper cavity is large enough, the second one-way valve 42 is opened to prevent the pressure in the upper cavity from being too large.

The rubber partition 5 is arranged on the protective sleeve 1 along the length direction of the natural gas pipeline 6, when the binding strip 2 and the protective sleeve 1 are clamped and sealed during installation, the rubber partition 5 is closely contacted with the outer wall of the natural gas pipeline 6 to form different detection cavities, and the detection sensitivity is improved;

and rubber cuts off 5 and provides the intensity for holistic protective sheath 1 and supports, guarantees to have sufficient gas circuit passageway between protective sheath 1 and the natural gas outer wall.

The detection assemblies 3 are arranged in a plurality of modes, each detection cavity is internally provided with a detection assembly 3, and isolation blocks are arranged among different detection assemblies 3 for isolation.

The device can be used for quickly and efficiently installing old natural gas pipelines 6 and can also play a good role in preventing leakage for old pipelines.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a detection apparatus for natural gas line leaks which characterized in that: the device comprises a protective sleeve, a binding strip, a detection assembly and a one-way valve assembly; the protective sheath parcel sets up on the natural gas pipeline, the constraint strip is used with the protective sheath cooperation and is sealed the protective sheath, determine module and check valve subassembly all set up in the constraint strip.

2. A natural gas pipeline leak detection apparatus as claimed in claim 1, wherein: the overall width of the protective sleeve is no less than the outer circumference of the natural gas pipeline.

3. A natural gas pipeline leak detection apparatus as claimed in claim 2, wherein: the detection assembly comprises an isolation plate, a concentration detector, a buzzer and a signal controller, wherein the isolation plate is arranged inside the binding strip, and the isolation plate divides the binding strip into an upper cavity and a lower cavity.

4. A natural gas pipeline leak detection apparatus as claimed in claim 3, wherein: set up inside connecting pipe and outside connecting pipe on the division board, inside connecting pipe runs through the division board setting, and two cavitys communicate about inside connecting pipe will, outside connecting pipe runs through the tie setting, and outside connecting pipe communicates upper portion cavity and external environment.

5. A natural gas pipeline leak detection apparatus as claimed in claim 4, wherein: the protective sheath includes protection end and constraint end, the perpendicular setting in protection end both sides respectively of constraint end, be provided with resistant wearing layer on protection end and the external world contact surface.

6. A natural gas pipeline leak detection apparatus as claimed in claim 5, wherein: the whole groove type structure that is of constraint strip, be provided with on the constraint strip with the constraint looks assorted joint end.

7. A natural gas pipeline leak detection apparatus as claimed in claim 6, wherein: the whole constraint strip is of a rigid structure, and sealant is arranged at the joint of the clamping end and the constraint end after the constraint strip and the clamping end.

8. A natural gas pipeline leak detection apparatus as claimed in claim 7, wherein: the isolation plate, the concentration detector, the buzzer and the signal controller are respectively arranged in the upper cavity, and the signal controller is respectively connected with the buzzer and the concentration detector.

9. A natural gas pipeline leak detection apparatus as claimed in claim 8, wherein: and a remote receiver is also arranged, and the signal controller is electrically connected with the remote receiver.

10. A natural gas pipeline leak detection apparatus as claimed in claim 9, wherein: the check valve assembly includes a first check valve disposed in the inner connection pipe and a second check valve disposed in the outer connection pipe.

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