CN208090326U - A kind of package seal checker for natural gas line - Google Patents
A kind of package seal checker for natural gas line Download PDFInfo
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- CN208090326U CN208090326U CN201820220107.0U CN201820220107U CN208090326U CN 208090326 U CN208090326 U CN 208090326U CN 201820220107 U CN201820220107 U CN 201820220107U CN 208090326 U CN208090326 U CN 208090326U
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- upper shell
- lower housing
- air
- air inlet
- natural
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Abstract
The utility model discloses a kind of package seal checkers for natural gas line, including:Upper shell, lower end are hinged with a lower housing, and the opening of the upper shell and lower housing is equipped with boss;Boss surface is provided with bolt hole, and upper shell and lower housing fixing sleeve are enclosed in outside natural-gas transfer pipeline by clamping screw through bolt hole;The upper shell is equipped with sealing ring with lower housing inner wall both ends;Upper shell, lower housing and natural-gas transfer pipeline outer wall form citadel;The air supply plant communicated with citadel by air inlet pipe comprising air-suction cover, filter device and air inlet pipe are provided with the inlet end pressure sensor being electrically connected with the controller respectively, inlet end gas flow sensor in the air inlet pipe;Further include detection device, outlet side pressure sensor, outlet side gas flow sensor are provided on escape pipe.The utility model provides a kind of package seal checker for natural gas line, simple in structure, and detection is accurate, and is easily installed, dismantles.
Description
Technical field
The utility model is related to natural gas transportation technical field more particularly to a kind of sealing detections for natural gas line
Device.
Background technology
The safety of natural gas is higher, using natural gas as the energy, can reduce the dosage of coal and oil, thus changes significantly
Kind problem of environmental pollution.Natural gas line refers to that natural gas is transported to urban gas center or industry from exploitation ground or treatment plant
The pipeline of enterprise customer, also known as gas pipeline.During long distance delivery natural gas, there is the problems such as leakage in natural gas, right
It is particularly important in the detection of pipe leakage.In the prior art, detection device is not easy to dismantle, and can not carry out secondary use, and
Detection device sealing is easy leakage, and there are detection errors.
Utility model content
One purpose of the utility model is to solve at least the above and/or defect, and provide and at least will be described later
The advantages of.
In order to solve the deficiencies in the prior art, the utility model provides a kind of sealing detection dress for natural gas line
It sets, including:
Upper shell, lower end are hinged with a lower housing, and hinged place is coated with fluid sealant;The upper shell is all made of with lower housing
The opening of hollow half cylinder, the upper shell and lower housing is equipped with boss;The lower housing offers at boss
Fixed groove, upper shell corresponding position offer the fixation catch to match with the fixed groove shape;Boss surface is provided with
Upper shell and lower housing fixing sleeve are enclosed in outside natural-gas transfer pipeline by bolt hole, clamping screw through bolt hole;On described
Shell is equipped with sealing ring with lower housing inner wall both ends, and the sealing ring includes diaphragm seal and pressure-resistant gasket;Upper shell, lower housing
Citadel is formed with natural-gas transfer pipeline outer wall;
The air supply plant communicated with the citadel by air inlet pipe comprising air-suction cover, filter device, air-suction cover pass through
Filter device is connected to air inlet pipe, and the air inlet pipe is equipped with the solenoid valve one with controller control connection, the air inlet pipe
On be provided with the inlet end pressure sensor being electrically connected respectively with the controller, inlet end gas flow sensor;
Further include gas concentration detection apparatus, the gas concentration detection apparatus is connected by escape pipe and the citadel
It is logical, it is provided on escape pipe and is passed with outlet side pressure sensor, the outlet side gas flow being electrically connected respectively with the controller
Sensor, solenoid valve two.
Preferably, the boss joint place is equipped with sealing strip, and the sealing strip uses silica gel.
Preferably, the pressure-resistant gasket is used is made of polytetrafluoroethylene material.
Preferably, the filter device includes installing strainer, filter cotton layer, anion generator and activated carbon successively to inhale
Attached oxidant layer.
Preferably, air-suction cover is using horn-like.
The utility model includes at least following advantageous effect:
1, the package seal checker described in the utility model for natural gas line is led to using hinged upper and lower casing
It crosses clamping screw to install with boss cooperation, good seal performance, detection device installation, convenient disassembly, and secondary use can be carried out;
2, air is filled with into citadel by air supply plant, utilizes inlet end and outlet side air pressure and the change of gas flow
Change, then the gas received is detected by the gas concentration detection apparatus of outlet side, to be accurately judged to it is natural
There is leakage in letter shoot road or detection device has leakage;
3, purification is filtered to gas using filter device, ensures that the air for being filled with detection device citadel is clean, from
And ensure that gas concentration detection apparatus detection is accurate.
Description of the drawings
Fig. 1 is the package seal checker structural schematic diagram for natural gas line of the utility model.
Fig. 2 is the package seal checker cross section structure schematic diagram of the utility model.
Reference numeral:1- upper shells, 111- fixation catch, 2- lower housings, 21- fixed grooves, 3- boss, 31- bolts hole,
4- clamping screws, 5- sealing rings, 51- diaphragm seals, 52- pressure resistance gaskets, the citadels 6-, 7- air inlet pipe, 8- air supply plants, 81- inhale
Gas hood, 82- filter devices, 821- strainers, 822- filter cotton layers, 823- anion generators, 824- activated carbon adsorption oxidant layer, 9-
Solenoid valve one, 10- inlet end pressure sensors, 11- inlet end gas flow sensors, 12- gas concentration detection apparatus, 13-
Escape pipe, the outlet sides 14- pressure sensor, the outlet sides 15- gas flow sensor, 16- solenoid valves two.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
Fig. 1 ~ 2 show a kind of package seal checker for natural gas line of the utility model, including:
Upper shell 1, lower end are hinged with a lower housing 2, and hinged place is coated with fluid sealant;The upper shell 1 is equal with lower housing 2
Using hollow half cylinder, the upper shell 1 and the opening of lower housing 2 are equipped with boss 3;The lower housing 2 is close to boss 3
Place offers fixed groove 21, and 1 corresponding position of upper shell offers the fixation catch to match with 21 shape of the fixed groove
111;3 surface of boss is provided with bolt hole 31, and upper shell 1 and 2 fixing sleeve of lower housing are enclosed in by clamping screw 4 through bolt hole 31
Outside natural-gas transfer pipeline;The upper shell 1 is equipped with sealing ring 5 with 2 inner wall both ends of lower housing, and the sealing ring 5 includes close
Mounting 51 and pressure-resistant gasket 52;Upper shell 1, lower housing 2 and natural-gas transfer pipeline outer wall form citadel 6;
The air supply plant 8 communicated with the citadel 6 by air inlet pipe 7 comprising air-suction cover 81, filter device 82 are inhaled
Gas hood 81 is connected to by filter device 82 with air inlet pipe 7, and the air inlet pipe 7 is equipped with the solenoid valve with controller control connection
One 9, the inlet end pressure sensor 10 being electrically connected respectively with the controller, inlet end gas are provided in the air inlet pipe 7
Flow sensor 11;
Further include gas concentration detection apparatus 12, the gas concentration detection apparatus 12 by escape pipe 13 with it is described closed
Area 6 is connected to, and is provided on escape pipe 13 and the outlet side pressure sensor 14, the outlet side gas that are electrically connected respectively with the controller
Body flow sensor 15, solenoid valve 2 16.
In this technical solution, fixed catch 111 is engaged in fixed groove 21, then is fixed and examined by clamping screw 4
Device, diaphragm seal 51 and pressure-resistant gasket 52, good seal performance, detection device installation, convenient disassembly are surveyed, and secondary profit can be carried out
With;It is filled with air into citadel 6 by air supply plant 8, is passed by inlet end pressure sensor 10 and inlet end gas flow
Sensor 11 monitors the gas in air inlet pipe in real time, is filtered purification to air using filter device 82, ensures to be filled with
The air of detection device citadel is clean, to ensure that gas concentration detection apparatus detection is accurate;It is passed again by outlet end pressure
Sensor 14 and outlet side gas flow sensor 15 detect the gas that escape pipe 13 receives, to judge gas pressure and flow
Whether gas is consistent then right by gas concentration detection apparatus 12 using inlet end and outlet side air pressure and the variation of gas flow
The gas received is detected, and to be accurately judged to, natural-gas transfer pipeline has leakage or detection device exists
Leakage, it is ensured that detection is accurate.
In another example, 3 joint place of the boss is equipped with sealing strip, and the sealing strip uses silica gel.In this skill
In art scheme, the sealing performance of detection device is further enhanced.
In another example, the pressure resistance gasket 52 is used to be made of polytetrafluoroethylene material.Using this scheme,
Polytetrafluoroethylene material is corrosion-resistant, sealing effect it is good, further increase sealing performance.
In another example, the filter device 82 includes installing strainer 821, filter cotton layer 822, anion hair successively
Raw device 823 and activated carbon adsorption oxidant layer 824.
In this technical solution, when air is through filter screen 821, the solid impurity for intercepting in air can be filtered;It is empty
Gas adsorbs the impurity in air by filter cotton layer 822 and anion generator 823, filtering;Finally pass through acticarbon
When layer 824, the further filtering to air is completed, the quality of air is improved.
In another example, air-suction cover is using horn-like.Using this scheme, horn-like air-suction cover 81 is more conducive to inhale
Take air.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (5)
1. a kind of package seal checker for natural gas line, which is characterized in that including:
Upper shell(1), lower end is hinged with a lower housing(2), hinged place is coated with fluid sealant;The upper shell(1)With lower housing
(2)It is all made of hollow half cylinder, the upper shell(1)With lower housing(2)Opening be equipped with boss(3);The lower casing
Body(2)Close to boss(3)Place offers fixed groove(21), upper shell(1)Corresponding position offers and the fixed groove
(21)The fixation catch that shape matches(111);Boss(3)Surface is provided with bolt hole(31), clamping screw(4)Through bolt
Hole(31)By upper shell(1)With lower housing(2)Fixing sleeve is enclosed in outside natural-gas transfer pipeline;The upper shell(1)With lower housing
(2)Inner wall both ends are equipped with sealing ring(5), the sealing ring(5)Including diaphragm seal(51)With pressure-resistant gasket(52);Upper shell
(1), lower housing(2)Citadel is formed with natural-gas transfer pipeline outer wall(6);
Pass through air inlet pipe(7)With the citadel(6)The air supply plant communicated(8)Comprising air-suction cover(81), filter device
(82), air-suction cover(81)Pass through filter device(82)With air inlet pipe(7)Connection, the air inlet pipe(7)It is equipped with and a controller
Control the solenoid valve one of connection(9), the air inlet pipe(7)On be provided with the air inlet end pressure being electrically connected respectively with the controller
Sensor(10), inlet end gas flow sensor(11);
It further include gas concentration detection apparatus(12), the gas concentration detection apparatus(12)Pass through escape pipe(13)With it is described close
Closed zone(6)Connection, escape pipe(13)On be provided with and the outlet side pressure sensor that is electrically connected respectively with the controller(14),
Outlet side gas flow sensor(15), solenoid valve two(16).
2. a kind of package seal checker for natural gas line according to claim 1, which is characterized in that the boss
(3)Joint place is equipped with sealing strip, and the sealing strip uses silica gel.
3. a kind of package seal checker for natural gas line according to claim 1, which is characterized in that the pressure resistance
Gasket(52)It is made of using polytetrafluoroethylene material.
4. a kind of package seal checker for natural gas line according to claim 1, which is characterized in that the filtering
Device(82)Including installing strainer successively(821), filter cotton layer(822), anion generator(823)With activated carbon adsorption oxidant layer
(824).
5. a kind of package seal checker for natural gas line according to claim 1, which is characterized in that air-suction cover
(81)Using horn-like.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820220107.0U CN208090326U (en) | 2018-02-08 | 2018-02-08 | A kind of package seal checker for natural gas line |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820220107.0U CN208090326U (en) | 2018-02-08 | 2018-02-08 | A kind of package seal checker for natural gas line |
Publications (1)
Publication Number | Publication Date |
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CN208090326U true CN208090326U (en) | 2018-11-13 |
Family
ID=64063920
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Application Number | Title | Priority Date | Filing Date |
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CN201820220107.0U Active CN208090326U (en) | 2018-02-08 | 2018-02-08 | A kind of package seal checker for natural gas line |
Country Status (1)
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CN (1) | CN208090326U (en) |
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2018
- 2018-02-08 CN CN201820220107.0U patent/CN208090326U/en active Active
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