CN208223756U - The detection device of micro-leakage gas - Google Patents

The detection device of micro-leakage gas Download PDF

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Publication number
CN208223756U
CN208223756U CN201820919140.2U CN201820919140U CN208223756U CN 208223756 U CN208223756 U CN 208223756U CN 201820919140 U CN201820919140 U CN 201820919140U CN 208223756 U CN208223756 U CN 208223756U
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CN
China
Prior art keywords
micro
detection device
vacuum collection
collection device
leakage gas
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Active
Application number
CN201820919140.2U
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Chinese (zh)
Inventor
张庆华
蒋庆
余菲
王莉娜
李士贤
周光强
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.)
Guangzhou Development Aotou energy station Co.,Ltd.
Guangzhou Development Energy Station Management Co.,Ltd.
Guangzhou Development Group Inc
Original Assignee
Guangzhou Development Aotou Distributed Energy Station Cci Capital Ltd
Guangzhou Development Distributed Energy Station Management Co Ltd
Guangzhou Development Group Inc
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Application filed by Guangzhou Development Aotou Distributed Energy Station Cci Capital Ltd, Guangzhou Development Distributed Energy Station Management Co Ltd, Guangzhou Development Group Inc filed Critical Guangzhou Development Aotou Distributed Energy Station Cci Capital Ltd
Priority to CN201820919140.2U priority Critical patent/CN208223756U/en
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Abstract

The utility model discloses a kind of detection devices of micro-leakage gas, comprising: one end of air inlet pipeline, the air inlet pipeline is equipped with inlet suction port, and the other end is communicated with vacuum collection device;Switch valve, the switch valve are set on the air inlet pipeline, and the switch valve is set between the inlet suction port and the vacuum collection device, for controlling the conducting and cut-off of the inlet suction port Yu the vacuum collection device;And pressure measuring unit, the pressure measuring unit are used to measure the internal pressure of the vacuum collection device.The detection device of the micro-leakage gas of the utility model, it is measured by pressure of the pressure measuring unit to the inside of vacuum collection device, so as to effectively detect the gas of micro-leakage, it is leaked to judge to be detected joint, and then can remind people that detected connector is repaired or replaced in time.

Description

The detection device of micro-leakage gas
Technical field
The utility model relates to detection device technical fields, and in particular to a kind of detection device of micro-leakage gas.
Background technique
After burner works for a long time, the phenomenon that blast tube or even cable often will appear gas micro-leakage, When micro-leakage occurs for gas, since leak rate is lower, traditional gas-detecting device can not effectively detect leakage gas Body, however, can be caused to igniter associated components when leaked gas gradually builds up to a certain amount of inside igniter Corrosion, influences the normal work of igniter, to influence the normal starting of combustion chamber.
Summary of the invention
Based on this, it is necessary to provide a kind of detection device of micro-leakage gas, can effectively detect micro-leakage Gas.
Its technical solution is as follows:
A kind of detection device of micro-leakage gas, comprising: one end of air inlet pipeline, the air inlet pipeline is equipped with air inlet connecting Head, the other end are communicated with vacuum collection device;Switch valve, the switch valve are set on the air inlet pipeline, and the switch Valve is set between the inlet suction port and the vacuum collection device, for controlling the inlet suction port and the vacuum collecting The conducting and cut-off of device;And pressure measuring unit, the pressure measuring unit are used to measure the internal pressure of the vacuum collection device.
The detection device of above-mentioned micro-leakage gas, in use, by inlet suction port on one end of air inlet pipeline and extraneous Detected connector be connected and sealed, connection complete after open switch valve so that air inlet pipeline be connected, when detected connector When micro-leakage occurs for place, the high pressure gas of leakage enters in vacuum collection device through air inlet pipeline, in vacuum collection device It slowly accumulates, is measured by pressure of the pressure measuring unit to the inside of vacuum collection device, it is micro- so as to effectively detect Leaked gas is measured, to judge that being detected joint is leaked, and then can remind people in time to detected connector It is repaired or replaced.
Technical solution is illustrated further below:
The detection device of micro-leakage gas further includes gas componant detection device in one of the embodiments, described Gas componant detection device is connected to the vacuum collection device.It can detecte out micro-leakage using gas componant detection device Gas component and ratio, so as to judge be detected connector micro-leakage gas whether be more than preset standard model It encloses.
The detection device of micro-leakage gas further includes sealed joint pipe in one of the embodiments, and the sealing connects One end of adapter tube is detachably connected to the vacuum collection device, and the other end detachably connects with the gas componant detection device It is logical.Using sealed joint pipe vacuum collection device is separated to be transported, be readily transported with gas componant detection device.
The detection device of micro-leakage gas further includes non-return valve in one of the embodiments, the non-return valve setting In on the air inlet pipeline, and the non-return valve is set between the switch valve and the vacuum collection device, for preventing Back flow of gas in the vacuum collection device.The back flow of gas entered in vacuum collection device can be prevented using non-return valve, It ensure that the accuracy of testing result.
The detection device of micro-leakage gas further includes exhaust valve in one of the embodiments, the exhaust valve setting In in the vacuum collection device.It is used to for the gas in the vacuum collection device being quickly discharged using exhaust valve.
The detection device of micro-leakage gas further includes timer in one of the embodiments, and the timer is used for Calculate the opening time of the switch valve.The opening time of switch valve can be calculated using timer, so as to close The detection time of the detection device of the setting micro-leakage gas of reason.
Inlet suction port described in the detection device of micro-leakage gas includes that positive cable connects in one of the embodiments, Head, cathode cable connector, insulating sheath connector, ignition electric nozzle connector, guide's nozzle connection, main burner connector or burner inner liner connector At least one of.
The detection device of micro-leakage gas further includes control device in one of the embodiments, the control device It is electrically connected with the pressure measuring unit and the switch valve.It is closed using control device control switch valve, so that air inlet pipeline Cut-off, prevents the gas pressure in vacuum collection device excessively high and explodes.
The detection device of micro-leakage gas further includes display device in one of the embodiments, the display device It is electrically connected with the control device.By display device can the related work situation to all parts be monitored and control System, is adjusted relevant parameter.
The detection device of micro-leakage gas further includes warning device in one of the embodiments, the warning device It is electrically connected with the control device.Remind operator's associated safety information warning in time using warning device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the detection device of the micro-leakage gas of one embodiment.
Description of symbols:
100, air inlet pipeline, 200, inlet suction port, 300, vacuum collection device, 400, switch valve, 500, pressure measuring unit, 600, gas componant detection device, 700, sealed joint pipe, 800, non-return valve, 900, exhaust valve.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can be directly another when element is referred to as " being set to ", " being fixedly arranged on " another element On a element or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, or with another yuan Part " is fixedly connected ", and can be the mode of being detachably fixed between them is also possible to non-removable fixed form.When a member Part is considered as " connection ", " rotation connection " another element, it can be directly to another element or may be same When there are centering elements.When an element is considered as " connection " another element, it, which can be, is communicates directly to another yuan Part may be simultaneously present centering elements.Term as used herein "vertical", "horizontal", "left" and "right", "upper", "lower" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in constraint the utility model.Term " and or " used herein packet Include any and all combinations of one or more related listed items.
The similar term such as " first " described in the utility model, " second ", " third " does not represent specific quantity and sequence, It is only used for the differentiation of title.
As shown in Figure 1, one embodiment of the utility model discloses a kind of detection device of micro-leakage gas, packet Include: one end of air inlet pipeline 100, air inlet pipeline 100 is equipped with inlet suction port 200, and the other end is communicated with vacuum collection device 300; Switch valve 400, switch valve 400 are set on air inlet pipeline 100, and switch valve 400 is set to inlet suction port 200 and vacuum collecting Between device 300, for controlling the conducting and cut-off of inlet suction port 200 Yu vacuum collection device 300;And pressure measuring unit 500, it surveys Pressure device 500 is used to measure the internal pressure of vacuum collection device 300.
The detection device of the micro-leakage gas of above-described embodiment, in use, by the air inlet on one end of air inlet pipeline 100 Connector 200 is connected and sealed with extraneous detected connector, and connection opens switch valve 400 after completing, so that air inlet pipeline 100 conductings, when micro-leakage occurs for detected joint, the high pressure gas of leakage enters vacuum collecting through air inlet pipeline 100 It in device 300, is slowly accumulated in vacuum collection device 300, by pressure measuring unit 500 to the inside of vacuum collection device 300 Pressure measure, so as to effectively detect the gas of micro-leakage, thus judge be detected joint have occurred Leakage, and then can remind people that detected connector is repaired or replaced in time.
It needs to be illustrated, the switch valve 400 of above-described embodiment can be motor-driven valve, pneumatic operated valve or hand-operated valve, only Need to meet being capable of on or off air inlet pipeline 100;The vacuum collection device 300 of above-described embodiment can be to vacuumize gas Body collecting bag vacuumizes gas collection bag or other containers vacuumized;The pressure measuring unit 500 of above-described embodiment can be pressure Table, pressure gauge or other can be to the device that gas pressure measures;The detection device of the micro-leakage gas of the present embodiment Micro-leakage gas suitable for the burner to gas turbine, which carries out detection or other, has the equipment of similar use demand, phase Than the leakage situation that traditional detection device can not effectively detect minimum gas, the inspection of the micro-leakage gas of the present embodiment Survey device can the micro-leakage gas to burner effectively detected, prevent the gas build of micro-leakage thus to combustion The normal work of the associated components of burner interferes.
As shown in Figure 1, on the basis of the above embodiments, the detection device of micro-leakage gas further includes gas componant inspection Device 600 is surveyed, gas componant detection device 600 is connected to vacuum collection device 300.It is right using gas componant detection device 600 The gas of micro-leakage is detected in into vacuum collection device 300, for example, gas componant detection device 600 and vacuum are received Collect bag connection, by gas componant detection device 600 can detecte out in vacuum collecting bag the component of the gas of micro-leakage and Ratio, so as to judge to be detected whether the gas of connector micro-leakage is more than preset critical field.The present embodiment Gas componant detection device 600 can be detection methane (CH4) or the instrument of other imflammable gas, be also possible to detect dioxy Change the instrument of the multiple gases such as carbon (CO2), water (H2O), nitrogen oxides (NOX).
Further, the detection device of micro-leakage gas further includes sealed joint pipe 700, and the one of sealed joint pipe 700 End is detachably connected to vacuum collection device 300, and the other end is detachably connected to gas componant detection device 600.Pass through sealing Connecting tube 700 realizes the sealed connection of vacuum collection device 300 and gas componant detection device 600, meanwhile, utilize sealed connection One end of pipe 700 is detachably connected to vacuum collection device 300, and the other end is detachably connected to gas componant detection device 600, Vacuum collection device 300 is separated to be transported with gas componant detection device 600, is readily transported.The present embodiment Detachable connection is realized by way of being threadedly engaged, so that convenient for disassembly and assembly, quick.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes non-return valve 800, non-return valve 800 are set on air inlet pipeline 100, and non-return valve 800 is set between switch valve 400 and vacuum collection device 300, for preventing The only back flow of gas in vacuum collection device 300.The gas entered in vacuum collection device 300 can be prevented using non-return valve 800 Body adverse current, ensure that the accuracy of testing result.The non-return valve 800 of the present embodiment can be swing type non-return valve or butterfly check Valve need to only meet the back flow of gas that can prevent the inside of vacuum collection device 300.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes exhaust valve 900, exhaust valve 900 are set in vacuum collection device 300.It is used to quickly arrange the gas in vacuum collection device 300 using exhaust valve 900 Out, vacuum collection device 300 quickly to carry out detection next time to prepare, improve detection efficiency.The row of the present embodiment Air valve 900 can be motor-driven valve, pneumatic operated valve or hand-operated valve, and need to only meet can be quick by the gas in vacuum collection device 300 Discharge.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes timer (not shown), Timer is used to calculate the opening time of switch valve 400.The opening time of switch valve 400 can be counted using timer Calculate, so as to reasonably set micro-leakage gas detection device detection time, guarantee testing result accuracy and Validity.The timer of the present embodiment can be arbitrary can be to the device that the time is measured.
Based on any of the above embodiments, inlet suction port 200 includes positive cable connector, cathode cable connector, absolutely At least one of edge jacket joint, ignition electric nozzle connector, guide's nozzle connection, main burner connector or burner inner liner connector.Air inlet Connector 200 can be set to dedicated connector, may be set to be general connector, and need to only meet can be real with detected connector Now it is tightly connected.In one embodiment, inlet suction port 200 is set as positive cable connector, cathode cable connector, insulation Four jacket joint, ignition electric nozzle connector connectors, so as to be detected to four positions.Inlet suction port 200 can use Insulation and high temperature resistant material, to adapt to some high voltages, applied at elevated temperature environment.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes that control device (does not show Out), control device is electrically connected with pressure measuring unit 500 and switch valve 400.When pressure measuring unit 500 measures vacuum collecting dress When setting the pressure in 300 more than or equal to preset pressure value, measuring signal is transmitted to control device by pressure measuring unit 500, control After device receives corresponding signal, control switch valve 400 is closed, so that air inlet pipeline 100 ends, prevents vacuum collection device Gas pressure in 300 is excessively high and explodes.The control device of the present embodiment can be single-chip microcontroller, computer or other are specific The device of control function.The electric connection of the present embodiment can be data line connection or other wired connection modes, be also possible to Emitter and reception device or other radio connections are added, only need to meet and coherent signal can be transmitted.
Further, the detection device of micro-leakage gas further includes display device (not shown), display device and control Device is electrically connected.By display device can the related work situation to all parts be monitored and control, to correlation join Number is adjusted.The display device of the present embodiment is set as touch display screen, can be convenient, efficiently to micro-leakage gas Detection device is monitored and controls.
Further, the detection device of micro-leakage gas further includes warning device (not shown), warning device and control Device processed is electrically connected.When pressure measuring unit 500 measures the pressure in vacuum collection device 300 more than or equal to preset pressure value When, warning device alarm prevents contingency to remind operator's associated safety information warning in time.This implementation The warning device of example can be buzzer, warning lamp or other devices with alarm function.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the constraints to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of detection device of micro-leakage gas characterized by comprising
One end of air inlet pipeline, the air inlet pipeline is equipped with inlet suction port, and the other end is communicated with vacuum collection device;
Switch valve, the switch valve are set on the air inlet pipeline, and the switch valve is set to the inlet suction port and institute It states between vacuum collection device, for controlling the conducting and cut-off of the inlet suction port Yu the vacuum collection device;And
Pressure measuring unit, the pressure measuring unit are used to measure the internal pressure of the vacuum collection device.
2. the detection device of micro-leakage gas according to claim 1, which is characterized in that further include gas componant detection Device, the gas componant detection device are connected to the vacuum collection device.
3. the detection device of micro-leakage gas according to claim 2, further includes sealed joint pipe, the sealed connection One end of pipe is detachably connected to the vacuum collection device, and the other end is detachably connected to the gas componant detection device.
4. the detection device of micro-leakage gas according to claim 1, which is characterized in that it further include non-return valve, it is described Non-return valve is set on the air inlet pipeline, and the non-return valve be set to the switch valve and the vacuum collection device it Between, for preventing the back flow of gas in the vacuum collection device.
5. the detection device of micro-leakage gas according to claim 1, which is characterized in that it further include exhaust valve, it is described Exhaust valve is set in the vacuum collection device.
6. the detection device of micro-leakage gas according to claim 1, which is characterized in that it further include timer, it is described Timer is used to calculate the opening time of the switch valve.
7. the detection device of micro-leakage gas according to claim 1, which is characterized in that the inlet suction port includes just Polar curve cable joint, cathode cable connector, insulating sheath connector, ignition electric nozzle connector, guide's nozzle connection, main burner connector or fire At least one of flame cylinder connector.
8. the detection device of micro-leakage gas according to any one of claims 1 to 7, which is characterized in that further include control Device processed, the control device are electrically connected with the pressure measuring unit and the switch valve.
9. the detection device of micro-leakage gas according to claim 8, which is characterized in that it further include display device, institute It states display device and the control device is electrically connected.
10. the detection device of micro-leakage gas according to claim 8, which is characterized in that it further include warning device, institute It states warning device and the control device is electrically connected.
CN201820919140.2U 2018-06-13 2018-06-13 The detection device of micro-leakage gas Active CN208223756U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285931A (en) * 2019-07-08 2019-09-27 广州珠江电力有限公司 A kind of detection method of heat-engine plant desulfurizer flue gas heat-exchange unit air leak rate of air curtain
CN111982496A (en) * 2020-07-15 2020-11-24 广东福瑞杰新材料有限公司 Inflatable bag air retention performance detection device and preparation method and detection method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285931A (en) * 2019-07-08 2019-09-27 广州珠江电力有限公司 A kind of detection method of heat-engine plant desulfurizer flue gas heat-exchange unit air leak rate of air curtain
CN111982496A (en) * 2020-07-15 2020-11-24 广东福瑞杰新材料有限公司 Inflatable bag air retention performance detection device and preparation method and detection method thereof

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Address after: 510000 unit B, unit a, 30 / F and 31 / F, No. 3, Linjiang Avenue, Tianhe District, Guangzhou, Guangdong Province

Co-patentee after: Guangzhou Development Energy Station Management Co.,Ltd.

Patentee after: GUANGZHOU DEVELOPMENT Group Inc.

Co-patentee after: Guangzhou Development Aotou energy station Co.,Ltd.

Address before: 28-30, building 3, 510000 Linjiang Road, Guangzhou, Guangdong, Tianhe District

Co-patentee before: GUANGZHOU DEVELOPMENT DISTRIBUTED ENERGY STATION MANAGEMENT Co.,Ltd.

Patentee before: GUANGZHOU DEVELOPMENT Group Inc.

Co-patentee before: GUANGZHOU DEVELOPMENT AOTOU DISTRIBUTED ENERGY STATION INVESTMENT MANAGEMENT Co.,Ltd.

CP03 Change of name, title or address