CN208605940U - Double-skin duct leak-checking apparatus - Google Patents
Double-skin duct leak-checking apparatus Download PDFInfo
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- CN208605940U CN208605940U CN201821210519.2U CN201821210519U CN208605940U CN 208605940 U CN208605940 U CN 208605940U CN 201821210519 U CN201821210519 U CN 201821210519U CN 208605940 U CN208605940 U CN 208605940U
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- double
- alarm
- sealing
- liquid level
- skin duct
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Abstract
The utility model discloses a kind of double-skin duct leak-checking apparatus, including delivery pipe and the component that leaks hunting, the component that leaks hunting includes sealing shell, alarm assemblies, liquid level detector and with the conducting polymer item sensitive to hydrocarbon, conducting polymer item and liquid level detector are located at the inner cavity of sealing shell, one end of delivery pipe is connected to the inner cavity of sealing shell, and alarm assemblies include for monitoring the conducting polymer item monitoring device that electrically variation and liquid level detector switching value change.Double-skin duct leak-checking apparatus provided by the present application is capable of detecting when the leakage tube wall of double-skin duct.
Description
Technical field
The utility model relates to oil transportation technical field, in particular to a kind of double-skin duct leak-checking apparatus.
Background technique
Petroleum is as main energy sources, usual by two-compartment oil tank and double in order to guarantee the safety of oil transportation and storage
Layer pipeline carries out oil liquid storage and conveying.
With the requirement that Environmental is protected, existing leakage problem during petrochemical iy produced and storage is avoided, is needed
The leakage problem that pipeline is detected by double-skin duct leak-checking apparatus, however, traditional double-skin duct leak-checking apparatus can only detect
Pipeline detects when leakage to may be oil liquid that inner wall tube leaks into the presence or absence of leakage, it is also possible to outer wall pipe leak into
The water entered not can confirm that the inner wall leakage or outer wall leakage of double-skin duct.
Therefore, the leakage tube wall for how detecting double-skin duct is those skilled in the art's technical problem urgently to be resolved.
Utility model content
The purpose of the utility model is to provide a kind of double-skin duct leak-checking apparatus, to detect the leakage tube wall of double-skin duct.
To achieve the above object, the utility model provides a kind of double-skin duct leak-checking apparatus, including delivery pipe and group of leaking hunting
Part, the component that leaks hunting include sealing shell, alarm assemblies, liquid level detector and the conducting polymer sensitive to hydrocarbon
Item, the conducting polymer item and the liquid level detector are located at the inner cavity of the sealing shell, one end of the delivery pipe with
The inner cavity of the sealing shell is connected to, and the alarm assemblies include for monitoring the conducting polymer item electrically variation and described
The monitoring device of liquid level detector switching value variation.
Preferably, the liquid level detector be Floating Ball Liquid Level detection unit, the liquid level detector include floating ball and with institute
State the switch element of floating ball connection.
Preferably, the U-shaped setting of conducting polymer item, and the opening upwards of the conducting polymer item.
Preferably, the conducting polymer item is conductive EP rubbers item, conductive nitrile rubber item, conducting polypropylene acid esters
Rubber strip or conductive butadiene-styrene rubber item.
Preferably, the delivery pipe is hose.
Preferably, the sealing shell includes the sealing cover of outer cover body and the sealing outer cover body top, described close
Capping includes the first sealing cover that side wall is abutted with the outer cover body inner wall and bottom end and the housing top end and described first
Second sealing cover of sealing cover end sealing.
Preferably, the cavity for accommodating the alarm assemblies end, the report are offered among second sealing cover
Alert component protrudes into the inner cavity of the sealing shell by first sealing cover.
Preferably, the side wall of first sealing cover is equipped with down the ring packing turned over the sealing of the inner wall of the sealing shell
Item.
Preferably, the alarm assemblies include host computer for receiving monitoring device signal and connect with the host computer
Alarm.
Preferably, the alarm includes water leakage alarm, oil liquid leakage alarm and oil and gas leakage alarm；
When the monitoring device only receives the variation of liquid level detector switching value, water leakage described in the PC control
Alarm equipment alarm；
Electrically become when the monitoring device receives the variation of liquid level detector switching value and the conducting polymer item simultaneously
When change, oil liquid leakage alarm equipment alarm described in the PC control；
When the monitoring device, which only receives the conducting polymer item, electrically to be changed, oil described in the PC control
Gas leakage alarm equipment alarm.
In the above-mentioned technical solutions, double-skin duct leak-checking apparatus provided by the utility model includes delivery pipe and and delivery pipe
One end connection the component that leaks hunting, the component that leaks hunting includes sealing shell, alarm assemblies, liquid level detector and for nytron
The conducting polymer item of object sensitivity, conducting polymer item and liquid level detector are located at the inner cavity of sealing shell, one end of delivery pipe
It is connected to the inner cavity of sealing shell, alarm assemblies include for monitoring conducting polymer item electrically variation and liquid level detector switch
Measure the monitoring device of variation.In use, by the gap between the input terminal of delivery pipe and the inner wall tube and outer wall pipe of double-skin duct
Connection, when inner wall leakage, oil liquid enters the inner cavity of sealing shell by delivery pipe, the conducting polymer sensitive to hydrocarbon
Electrically variation occurs for object item, while liquid level detector detects that liquid level changes, and liquid level detector switching value changes, leads at this time
It crosses monitoring device display and judges that inner wall tube leaks.When the leakage of outer wall pipe, external water enters sealing shell by delivery pipe
Inner cavity, the conducting polymer item sensitive to hydrocarbon do not change, and liquid level detector detects that liquid level changes, liquid level inspection
It surveys device switching value to change, judges that outer wall pipe leaks by monitoring device display at this time.
As can be seen from the above description, in double-skin duct leak-checking apparatus provided by the present application, it is arranged quick to hydrocarbon
The conducting polymer item of sense, and then distinguishing is water or oil liquid, and then obtains inner wall tube leakage or the leakage of outer wall pipe, because
This, double-skin duct leak-checking apparatus provided by the present application is capable of detecting when the leakage tube wall of double-skin duct.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of alarm assemblies provided by the utility model embodiment；
Fig. 2 is the structural schematic diagram of double-skin duct leak-checking apparatus provided by the utility model embodiment.
Wherein in Fig. 1-2: 1- monitoring device, 2- conducting polymer item, 3- liquid level detector, 4- sealing shell, 5- leak hunting
Component, 6- delivery pipe, 7- double-skin duct.
Specific embodiment
The core of the utility model is to provide a kind of double-skin duct leak-checking apparatus, to detect the leakage tube wall of double-skin duct.
It is with reference to the accompanying drawing and real in order to make those skilled in the art more fully understand the technical solution of the utility model
Applying mode, the utility model is described in further detail.
Fig. 1 and Fig. 2 are please referred to, in a specific embodiment, the bimetallic tube that the utility model specific embodiment provides
Road leak-checking apparatus includes delivery pipe 6 and the component 5 that leaks hunting, and the component 5 that leaks hunting includes sealing shell 4, alarm assemblies, liquid level detector 3
And the conducting polymer item 2 sensitive to hydrocarbon.Wherein, sealing shell 4 can be bonded by plate member seals, be certainly
Raising leakproofness, sealing shell 4 include the lid that shell and thread seal housing tip are open.
Conducting polymer item 2 and liquid level detector 3 are located at the inner cavity of sealing shell 4,6 one end of delivery pipe and sealing shell 4
Inner cavity connection.Specifically, conducting polymer item 2 can be conductive EP rubbers item, conductive nitrile rubber item, conducting polypropylene
Acid esters rubber strip or conductive butadiene-styrene rubber item or other conducting polymer items sensitive to hydrocarbon for meeting testing requirements.
Alarm assemblies include for monitoring the prison that electrically variation and 3 switching value of liquid level detector change of conducting polymer item 2
Survey device 1.Monitoring device 1 is design of essence safety, safe and reliable using guaranteeing in the present context.It will be led to hydrocarbon is sensitive
Electric polymer item 2 encounters the changed principle of hydrocarbon and is applied to the monitoring device 1, especially by monitoring device 1
Processing unit circuit acquires delta data, reaches testing goal.
For the ease of the installation of double-skin duct leak-checking apparatus, it is preferable that delivery pipe 6 is hose.Specifically, hose is and bimetallic tube
An interface on 7 outer wall of road is connected, this interface and the intermediate layer gap intercommunication of double-skin duct 7, either inner wall or outer wall
Occur to seep leakage, intermediate layer gap can be entered by seeping leakage liquid, be flowed into sealing shell 4 by this interface of outer wall along hose
In chamber, every double-skin duct 7 is usually provided with above-mentioned interface.
In use, the gap between the input terminal of delivery pipe 6 and the inner wall tube and outer wall pipe of double-skin duct 7 is connected, it is double
When layer pipeline 7 occurs to seep leakage, seeping leakage liquid can be flowed into sealing shell 4 by delivery pipe 6, when inner wall leakage, oil liquid
Enter the inner cavity of sealing shell 4 by delivery pipe 6, electrical variation occurs for the conducting polymer item 2 sensitive to hydrocarbon, together
When liquid level detector 3 detect that liquid level changes, 3 switching value of liquid level detector changes, and is sentenced at this time by the display of monitoring device 1
Disconnected inner wall tube leakage.When the leakage of outer wall pipe, external water enters the inner cavity of sealing shell 4 by delivery pipe 6, to nytron
The conducting polymer item 2 of object sensitivity does not change, and liquid level detector 3 detects that liquid level changes, 3 switching value of liquid level detector hair
Changing judges that outer wall pipe leaks by the display of monitoring device 1 at this time.
As can be seen from the above description, in the double-skin duct leak-checking apparatus provided by the application specific embodiment, setting pair
The conducting polymer item 2 of hydrocarbon sensitivity, and then distinguishing is water or oil liquid, and then obtain inner wall tube leakage or outer
The leakage of wall pipe, therefore, double-skin duct leak-checking apparatus provided by the present application is capable of detecting when the leakage tube wall of double-skin duct 7.
Preferably, liquid level detector 3 is Floating Ball Liquid Level detection unit, and liquid level detector 3 includes floating ball and connect with floating ball
Switch element.Float can float with liquid when encountering liquid so that switching elements conductive, and then judges that sealing is outer
Enter liquid in shell 4.
In order to improve double-skin duct leak-checking apparatus detection sensitivity, it is preferable that the U-shaped setting of conducting polymer item 2, and it is conductive
The opening upwards of polymer strip 2.By setting U-shaped for conducting polymer item 2, incude in time convenient for conducting polymer item 2 into
Enter the intracorporal liquid of chamber, and then obtains leakage situation in time.
Preferably, sealing shell 4 includes the sealing cover on outer cover body and sealing shell ontology top, and sealing cover includes side wall
Second sealing of the first sealing cover abutted with outer cover body inner wall and bottom end and housing top end and the first sealing cover end sealing
Lid.By the first sealing cover of setting and the second sealing cover, the overall sealing performance of sealing shell 4 is effectively improved, is improved
Double-skin duct leak-checking apparatus detection accuracy.
Preferably, the cavity for accommodating alarm assemblies end is offered among the second sealing cover, alarm assemblies pass through the
The case where one sealing cover protrudes into the inner cavity of sealing shell 4, overall package, avoids external substance damage alarming component.
In order to further increase the leakproofness of sealing shell 4, it is preferable that the side wall of the first sealing cover, which is equipped with down, to be turned over sealing outside
The annular sealing strip of the inner wall sealing of shell 4.For the ease of processing sealing shell 4, it is preferable that the first sealing cover is with annular sealing strip
Integrated formed structure.
On the basis of above-mentioned each scheme, it is preferable that alarm assemblies include host computer for receiving 1 signal of monitoring device and
The alarm connecting with host computer, this sensor is connected with host computer can guarantee round-the-clock 7 system feelings of real-time monitoring double-skin duct
Condition.By setting host computer and alarm, realizes 7 remote real time monitoring of double-skin duct, significantly reduce the labor of staff
Fatigue resistance.Specifically, can show corresponding warning message on host computer.Leakage report is seeped when monitoring device 1 exports oil to host computer
Alert signal, host computer show that oil liquid leakage warning message, as inner wall leak.And the conducting polymer sensitive to hydrocarbon
Item 2 is touched when leak fluid is water and will not be changed, and liquid level detector 3 acts, and monitoring device 1 is seeped to host computer output water
Leakage alarm signal, host computer, which is connected, shows water leakage alarm information, and as outer wall leaks.
Further, alarm includes water leakage alarm, oil liquid leakage alarm and oil and gas leakage alarm, it is specific on
Stating alarm can be buzzer or indicator light alarm；
When monitoring device 1 only receives the variation of 3 switching value of liquid level detector, PC control water leakage alarm report
It is alert；
When monitoring device 1 receives the variation of 3 switching value of liquid level detector and the electrically variation of conducting polymer item 2 simultaneously,
PC control oil liquid leakage alarm equipment alarm；
When monitoring device 1 only receives the electrically variation of conducting polymer item 2, PC control oil and gas leakage alarm report
It is alert.When micro leakage oil occurs for double-skin duct 7, when oil product volatilization causes to be not in liquid oil aggregation, oil gas passes through conveying
Pipe 6 enters in sealing shell 4, the conducting polymer item 2 sensitive to hydrocarbon can detect oil gas to changing, liquid
Bit detector 3 is failure to actuate, and monitoring device 1 detects that variation then exports oil gas alarm signal, and output end is connected display with host computer
Warning message, double-skin duct leak-checking apparatus provided by the present application can detecte fuel oil micro on the water surface, and the application is in oil gas
It can detecte oil gas when reaching a certain concentration and provide, improve double-skin duct leak-checking apparatus working performance.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of double-skin duct leak-checking apparatus, which is characterized in that including delivery pipe (6) and the component that leaks hunting (5), the component that leaks hunting
It (5) include sealing shell (4), alarm assemblies, liquid level detector (3) and the conducting polymer item (2) sensitive to hydrocarbon,
The conducting polymer item (2) and the liquid level detector (3) are located at the inner cavity of the sealing shell (4), the delivery pipe (6)
One end be connected to the inner cavity of the sealing shell (4), the alarm assemblies include for monitoring the conducting polymer item (2)
The electrically monitoring device (1) of variation and the variation of the liquid level detector (3) switching value.
2. double-skin duct leak-checking apparatus according to claim 1, which is characterized in that the liquid level detector (3) is floating ball
Liquid level detection unit, the liquid level detector (3) include floating ball and the switch element with floating ball cooperation.
3. double-skin duct leak-checking apparatus according to claim 1, which is characterized in that the conducting polymer item (2) is U-shaped
Setting, and the opening upwards of the conducting polymer item (2).
4. double-skin duct leak-checking apparatus according to claim 1, which is characterized in that the conducting polymer item (2) is to lead
Electric EP rubbers item, conductive nitrile rubber item, conducting polypropylene acid esters rubber strip or conductive butadiene-styrene rubber item.
5. double-skin duct leak-checking apparatus according to claim 1, which is characterized in that the delivery pipe (6) is hose.
6. double-skin duct leak-checking apparatus according to claim 1, which is characterized in that the sealing shell (4) includes shell
Ontology and the sealing cover on the sealing outer cover body top, the sealing cover includes that side wall is abutted with the outer cover body inner wall
First sealing cover and the second sealing cover of bottom end and the housing top end and the first sealing cover end sealing.
7. double-skin duct leak-checking apparatus according to claim 6, which is characterized in that offered among second sealing cover
For accommodating the cavity of the alarm assemblies end, the alarm assemblies protrude into the sealing shell by first sealing cover
(4) inner cavity.
8. double-skin duct leak-checking apparatus according to claim 6, which is characterized in that the side wall of first sealing cover is equipped with
Under turn over the inner wall of the sealing shell (4) sealing annular sealing strip.
9. double-skin duct leak-checking apparatus according to claim 1 to 8, which is characterized in that the alarm assemblies packet
The alarm for including the host computer for receiving monitoring device (1) signal and being connect with the host computer.
10. double-skin duct leak-checking apparatus according to claim 9, which is characterized in that the alarm includes water leakage report
Alert device, oil liquid leakage alarm and oil and gas leakage alarm；
When the monitoring device (1) only receives the variation of liquid level detector (3) switching value, water described in the PC control is let out
Leak alarm equipment alarm；
When the monitoring device (1) receives the variation of liquid level detector (3) switching value and the conducting polymer item (2) electricity simultaneously
Property variation when, oil liquid leakage alarm equipment alarm described in the PC control；
When the monitoring device (1), which only receives the conducting polymer item (2), electrically to be changed, described in the PC control
Oil and gas leakage alarm equipment alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210519.2U CN208605940U (en) | 2018-07-27 | 2018-07-27 | Double-skin duct leak-checking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210519.2U CN208605940U (en) | 2018-07-27 | 2018-07-27 | Double-skin duct leak-checking apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN208605940U true CN208605940U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821210519.2U Active CN208605940U (en) | 2018-07-27 | 2018-07-27 | Double-skin duct leak-checking apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613019A (en) * | 2018-07-27 | 2018-10-02 | 青岛澳科仪器有限责任公司 | Double-skin duct leak-checking apparatus |
-
2018
- 2018-07-27 CN CN201821210519.2U patent/CN208605940U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108613019A (en) * | 2018-07-27 | 2018-10-02 | 青岛澳科仪器有限责任公司 | Double-skin duct leak-checking apparatus |
| CN108613019B (en) * | 2018-07-27 | 2024-05-03 | 青岛澳科仪器有限责任公司 | Double-layer pipeline leakage detection device |
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