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CN207515981U - A kind of detector for pipeline air-leakage test - Google Patents

A kind of detector for pipeline air-leakage test Download PDF

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Publication number
CN207515981U
CN207515981U CN201721546768.4U CN201721546768U CN207515981U CN 207515981 U CN207515981 U CN 207515981U CN 201721546768 U CN201721546768 U CN 201721546768U CN 207515981 U CN207515981 U CN 207515981U
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CN
China
Prior art keywords
pipeline
pressure sensor
air
detector
band
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721546768.4U
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Chinese (zh)
Inventor
李卫生
季永忠
刘培元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Longju Synthetic Materials Co Ltd
Original Assignee
Hangzhou Longju Synthetic Materials Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201721546768.4U priority Critical patent/CN207515981U/en
Application granted granted Critical
Publication of CN207515981U publication Critical patent/CN207515981U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of detector for pipeline air-leakage test, including air gauge, can closed conduct pipe close, be fed through one of pipe close exhaust tube, be connected to exhaust tube back to the vacuum pump and band of pipe close one end, the air gauge is installed on exhaust tube, the pipe close sets there are two and is embedded at pipe ends respectively, outside the band winding package and pipeline.When detecting, first by two pipe close plugs to pipe ends, it is in sealing state to make pipeline;Then band is wound outside pipeline, band is made to push against in pipeline outer wall, will be vacuumized in pipeline by vacuum pump, reads the data on air gauge.Preferably band is disassembled outside pipeline, the data that observation air gauge is shown, if air gauge data send variation, pipe leakage;Pipeline does not leak if the data on air gauge do not change, can normal use.

Description

A kind of detector for pipeline air-leakage test
Technical field
The utility model is related to pipe detections, and in particular to a kind of detector for pipeline air-leakage test.
Background technology
As shown in the patent of Publication No. CN102617773A, which disclose a kind of polybutadiene latexs to synthesize work Skill includes the following steps:
(1) additive, styrene, desalted water needed for divinylic monomer, polymerisation are added in polymerization reaction kettle Polymerisation is carried out, aggregates into the little particle latex that grain size is 80-120nm;
(2) after polymerisation, first degassing tank is vacuumized, then passes through polymerization reaction kettle and the pressure difference handle of degassing tank Little particle latex delivery to degassing tank carries out vacuum stripping;
(3) additive needed for desalted water, agglomeration reaction and the little particle latex after step (2) stripping are added to attached In poly- reaction kettle, the polybutadiene latex that grain size is 300-450nm is agglomerated into.
Butadiene need to be by pipeline transportation to reaction kettle.If breakage occurs in pipeline, the leakage of material is easily led to, is being polluted The waste of raw material is also created while environment.Therefore a kind of detector is needed to detect whether pipeline leaks.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind to be used for pipeline air-leakage test Detector, can detect that whether pipeline leaks.
To achieve the above object, the utility model provides following technical solution:
A kind of detector for pipeline air-leakage test, including air gauge, can closed conduct pipe close, be fed through wherein The exhaust tube of one pipe close is connected to exhaust tube back to the vacuum pump and band of pipe close one end, and the air gauge is installed on pumping On tracheae, the pipe close sets there are two and is embedded at pipe ends respectively, outside the band winding package and pipeline.
By using above-mentioned technical proposal, when detecting, first by two pipe close plugs to pipe ends, it is in seal shape to make pipeline State;Then band is wound outside pipeline, band is made to push against in pipeline outer wall, will be vacuumized in pipeline by vacuum pump, Read the data on air gauge.Preferably band is disassembled outside pipeline, the data that observation air gauge is shown, if air gauge Data send variation, then pipe leakage;Pipeline does not leak if the data on air gauge do not change, can normal use.
The utility model is further arranged to:The pipe close includes force section and seal section, the seal section are embedded at In pipeline and pipeline is threadedly connected to, the force section is connected to pipeline end face.
By using above-mentioned technical proposal, can be exerted a force by exerting a force section to seal section, so as to more easily by pipe close It is installed on pipeline or is disassembled from pipeline.The contact area with pipeline after pipe close is installed is increased simultaneously, so as to improve Air-tightness after Pipe installing pipe close, makes the measurement result more accurate.
The utility model is further arranged to:It is arranged with gasket outside the seal section, the gasket is pushed against in applying Power section relative duct size one end end face and the opposite force section one end end face of pipeline.
By using above-mentioned technical proposal, so as to improve the air-tightness after Pipe installing pipe close, make measurement result more smart Really.
The utility model is further arranged to:The pipeline outer wall is equipped with pressure sensor, the pressure sensor Between pipeline outer wall and band, the pressure sensor is electrically connected with to show pressure that pressure sensor detects The display of data.
By using above-mentioned technical proposal, in pipeline in use, pressure sensor can be installed, then will be close in pipeline outer wall Envelope band is wound into pipeline outer wall, and there are one pressure to pressure sensor for band at this time.If pipeline is let out in use Leakage, band can change to the pressure of pressure sensor at this time, you can quickly feed back the situation of pipeline in use, from And pipeline is repaired in time.
The utility model is further arranged to:The pipeline outer wall offers holding tank, and the pressure sensor is embedded In in holding tank, and the pressure sensor upper surface and pipeline outer wall are generally aligned in the same plane.
By using above-mentioned technical proposal, so as to make band that can more easily be wound into pipeline outer wall, while can also protect Demonstrate,prove the leakproofness between band and pipeline.
The utility model is further arranged to:The pressure sensor is equidistantly provided with several along pipe lengths It is a.
By using above-mentioned technical proposal, the pressure sensor changing value at leakage is bigger, so as to more accurate The position for reflecting leak point on pipeline, facilitate repair.
The utility model is further arranged to:The pipeline is equipped with opening/shutting valve, and the opening/shutting valve is long along pipeline It spends direction and is equipped with several at equal intervals, each pressure sensor both sides are corresponding, and there are one opening/shutting valves.
By using above-mentioned technical proposal, after pipeline leakage is detected, the pressure sensing of changing value maximum is closed immediately The opening/shutting valve of device both sides so as to reduce the leakage of material, while has been also convenient for repair.
The utility model is further arranged to:The pressure sensor is electrically connected with controller, and the controller is electrically connected Opening/shutting valve is connect, after the change value of pressure detected of the pressure sensor reaches preset value, controller controls the pressure The opening/shutting valve of sensor both sides closes pipeline.
By using above-mentioned technical proposal, after pipeline leakage is detected, controller can close changing value maximum immediately The opening/shutting valve of pressure sensor both sides, so as to reduce the leakage of material.Opening/shutting valve, the time of the operation are manually closed relatively It is shorter, while also reduce cost of labor.
The utility model has the following advantages:1st, it can detect the leak case of pipeline in pipeline and the use in being not used; 2nd, the pipeline of leakage section can be timely closed after pipeline is revealed, reduces the leakage of material;3rd, it can accurately react Go out the leakage position of pipeline, so as to facilitate repair.
Description of the drawings
Fig. 1 is the structure diagram of embodiment one;
Fig. 2 is the structure diagram of embodiment two;
Fig. 3 is the connection relationship diagram of pressure sensor in embodiment two, opening/shutting valve, display and controller.
Reference numeral:1st, air gauge;2nd, pipe close;3rd, exhaust tube;4th, vacuum pump;5th, band;6th, exert a force section;7th, it seals Section;8th, pipeline;9th, gasket;10th, valve;11st, holding tank;12nd, pressure sensor;13rd, opening/shutting valve;14th, display;15、 Controller.
Specific embodiment
The utility model is described further with reference to attached drawing.
Embodiment one:
As shown in Figure 1, a kind of detector for 8 air-leakage test of pipeline, including air gauge 1, pipe close 2, exhaust tube 3, Vacuum pump 4 and band 5.Pipe close 2 is installed on 8 both ends of pipeline and sealing pipeline 8.Pipe close 2 includes force section 6 and seal section 7, close Envelope section 7 is embedded in pipeline 8 and is threadedly connected to pipeline 8.Force section 6 is fixedly connected on seal section 7 far from 8 one end of pipeline, applies Power section 6 and seal section 7 are in be wholely set.Gasket 9 is arranged with outside seal section 7, when pipe close 2 is screwed into pipeline 8, exert a force section 6 8 one end end face of relative duct size and 6 one end end face of the opposite force section of pipeline 8 are pushed against in gasket 9.
Exhaust tube 3 is fed through one of pipe close 2, and exhaust tube 3 is in be fixedly connected with pipe close 2.Vacuum pump 4 is installed on pumping 3 one end of tracheae, and exhaust tube 3 is equipped with valve 10, valve 10 can control the opening and closing of exhaust tube 3.Air gauge 1 is mounted on On exhaust tube 3, the air pressure in exhaust tube 3 can detect.And air gauge 1 is located at valve 10 back to 4 one end of vacuum pump.Band 5 twines It is wound on 8 outer wall of pipeline.
The step of being detected using the detector to pipeline 8 is as follows:
1st, pipe close 2 is installed to 8 both ends of pipeline, pipe close 2 is made to push against gasket 9, gasket 9 pushes against pipeline 8, so as to make pipe Road 8 is closed;
2nd, band 5 is wound outside pipeline 8, band 5 is made to push against pipeline 8, and gapless between band 5;
3rd, it will be vacuumized, the valve 10 being then shut off on exhaust tube 3, recorded on air gauge 1 in pipeline 8 by vacuum pump 4 Data;What the data on air gauge 1 embodied is the air pressure in pipeline 8 at this time;
4th, it tears band 5, if the data on air gauge 1 are unchanged, 8 No leakage of pipeline;If the data on air gauge 1 Variation illustrates that the sealing of pipeline 8 is realized simply by band 5, then pipeline 8 has leakage.
Embodiment two:Difference lies in for detecting whether pipeline 8 in use leaks for embodiment two and embodiment one.Pipe Plug 2 is not mounted to 8 both ends of pipeline.
As shown in Fig. 2, 8 outer wall of pipeline offers holding tank 11, pressure sensor 12 is embedded in holding tank 11, pressure passes 12 upper surface of sensor and 8 outer wall of pipeline are generally aligned in the same plane.If pressure sensor 12 is equidistantly provided with along 8 length direction of pipeline Dry.Pipeline 8 is equipped with opening/shutting valve 13, the keying of 13 controllable tubing giving sufficient strength 8 of opening/shutting valve.Opening/shutting valve 13 is along 8 length of pipeline Direction is equipped with several at equal intervals, and each 12 both sides of pressure sensor are corresponding, and there are one opening/shutting valves 13.Band 5 is wrapped in 8 outer wall of pipeline and abutting pressure sensor 12.
As shown in figure 3, pressure sensor 12 is electrically connected with display 14 and controller 15, display 14 can show that pressure passes The pressure data that sensor 12 detects.Controller 15 is electrically connected opening/shutting valve 13, when the pressure detected of pressure sensor 12 After changing value reaches preset value, controller 15 controls the opening/shutting valve 13 of 12 both sides of pressure sensor to close pipeline 8.
The step of being detected using the detector to pipeline 8 is as follows:
1st, pressure sensor 12 is installed in the holding tank 11 of pipeline 8, band 5 in winding, makes sealing outside pipeline 8 Band 5 pushes against pipeline 8, and gapless between band 5;Band 5 pushes against pressure sensor 12 at this time, shows on display 14 In the pressure data that each pressure sensor 12 detects;
2nd, opening/shutting valve 13 is opened, makes pipeline 8 for material transferring;
If the 3rd, in transmission process, pipeline 8 is revealed, then the air pressure in pipeline 8 and atmospheric pressure simultaneously apply band 5 Power, so as to which the band 5 for detecting pressure sensor 12 changes to its pressure;Situation about being acted in no external force Under, if the variation more than preset value occurs for the data that pressure sensor 12 detects on display 14, pipeline 8 is revealed;
And between the leakage of pipeline 8 is located at the opening/shutting valve 13 of 12 both sides of pressure sensor of changing value maximum with you, this When controller 15 control 12 both sides of pressure sensor opening/shutting valve 13 close pipeline 8, reduce the leakage of material.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (8)

1. one kind is used for pipeline(8)The detector of air-leakage test, it is characterized in that:Including air gauge(1), can closed conduct(8) Pipe close(2), be fed through one of pipe close(2)Exhaust tube(3), be connected to exhaust tube(3)Back to pipe close(2)One end it is true Sky pump(4)And band(5), the air gauge(1)It is installed on exhaust tube(3)On, the pipe close(2)It is there are two and if embedding respectively Set on pipeline(8)Both ends, the band(5)Winding package and pipeline(8)Outside.
It is 2. according to claim 1 a kind of for pipeline(8)The detector of air-leakage test, it is characterized in that:The pipe close (2)Including the section that exerts a force(6)And seal section(7), the seal section(7)It is embedded at pipeline(8)It is interior and be threadedly connected to pipeline(8), The force section(6)It is connected to pipeline(8)End face.
It is 3. according to claim 2 a kind of for pipeline(8)The detector of air-leakage test, it is characterized in that:The sealing Section(7)It is arranged with gasket outside(9), the gasket(9)It pushes against in force section(6)Relative duct size(8)One end end face and pipeline (8)Opposite force section(6)One end end face.
It is 4. according to claim 3 a kind of for pipeline(8)The detector of air-leakage test, it is characterized in that:The pipeline (8)Outer wall is equipped with pressure sensor(12), the pressure sensor(12)Positioned at pipeline(8)Outer wall and band(5)Between, The pressure sensor(12)It is electrically connected with to show pressure sensor(12)The display of the pressure data detected(14).
It is 5. according to claim 4 a kind of for pipeline(8)The detector of air-leakage test, it is characterized in that:The pipeline (8)Outer wall offers holding tank(11), the pressure sensor(12)It is embedded at holding tank(11)It is interior, and the pressure sensor (12)Upper surface and pipeline(8)Outer wall is generally aligned in the same plane.
It is 6. according to claim 5 a kind of for pipeline(8)The detector of air-leakage test, it is characterized in that:The pressure Sensor(12)Along pipeline(8)Length direction is equidistantly provided with several.
It is 7. according to claim 6 a kind of for pipeline(8)The detector of air-leakage test, it is characterized in that:The pipeline (8)It is equipped with opening/shutting valve(13), the opening/shutting valve(13)Along pipeline(8)Length direction is equipped with several at equal intervals, each The pressure sensor(12)Both sides are corresponding, and there are one opening/shutting valves(13).
It is 8. according to claim 7 a kind of for pipeline(8)The detector of air-leakage test, it is characterized in that:The pressure Sensor(12)It is electrically connected with controller(15), the controller(15)It is electrically connected opening/shutting valve(13), when the pressure sensing Device(12)The change value of pressure detected reach preset value after, controller(15)Control the pressure sensor(12)It opens both sides Valve closing door(13)Close pipeline(8).
CN201721546768.4U 2017-11-18 2017-11-18 A kind of detector for pipeline air-leakage test Expired - Fee Related CN207515981U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721546768.4U CN207515981U (en) 2017-11-18 2017-11-18 A kind of detector for pipeline air-leakage test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721546768.4U CN207515981U (en) 2017-11-18 2017-11-18 A kind of detector for pipeline air-leakage test

Publications (1)

Publication Number Publication Date
CN207515981U true CN207515981U (en) 2018-06-19

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114526876A (en) * 2022-01-27 2022-05-24 核电运行研究(上海)有限公司 Differential pressure induction type conical pipe plug, negative pressure leakage detection device and leakage detection method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114526876A (en) * 2022-01-27 2022-05-24 核电运行研究(上海)有限公司 Differential pressure induction type conical pipe plug, negative pressure leakage detection device and leakage detection method thereof
CN114526876B (en) * 2022-01-27 2024-06-11 核电运行研究(上海)有限公司 Differential pressure induction type conical pipe plug, negative pressure leakage detection device and leakage detection method thereof

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Granted publication date: 20180619