CN209238628U - Non-methane total hydrocarbons samples airbag automatic flushing device - Google Patents
Non-methane total hydrocarbons samples airbag automatic flushing device Download PDFInfo
- Publication number
- CN209238628U CN209238628U CN201822012154.9U CN201822012154U CN209238628U CN 209238628 U CN209238628 U CN 209238628U CN 201822012154 U CN201822012154 U CN 201822012154U CN 209238628 U CN209238628 U CN 209238628U
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- solenoid valve
- airbag
- air inlet
- exhaust
- valve
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Abstract
The utility model relates to a kind of non-methane total hydrocarbons to sample airbag automatic flushing device.The purpose is to provide a kind of green safe, convenient and efficient, efficient sampling airbag automatic flushing device for closing rule.Include: that air inlet pipeline upstream end is connected to clean gas, pressure reducing valve, intake solenoid valve, air inlet three-way connection are successively arranged in downstream line；Gas exhaust piping downstream is connected with aspiration pump, and exhaust pipe is connected to active carbon filter, and blow-off tee connector and exhaust solenoid valve are successively arranged in the upstream line of exhaust pipe, and exhaust solenoid valve is connected to exhaust solenoid valve overflow pipe；It cleans the series connection of branch road including the cleaning branch being arranged in parallel with sampling airbag detergent line and is equipped with several throttle valves, each throttle valve is equipped with the connectivity port for connecting with sampling airbag to be cleaned；It is connected between air inlet three-way connection and blow-off tee connector by pipeline and is respectively connected to sampling airbag detergent line；Intake solenoid valve and exhaust solenoid valve are respectively connected to power supply.
Description
Technical field
The utility model belongs to field of gas detection, is that be related to a kind of non-methane total hydrocarbons sampling airbag automatic specifically
Cleaning device.
Background technique
Currently, the acquisition method of pollutants in air includes: direct sampling method, liquid absorption method, solid sorbent method, filter membrane
Sampling method and natural sedimentation.Wherein, all kinds of collection containers used in direct sampling method are at high cost, and sampling airbag is as wherein
A kind of collection container, be convenient for carrying for other collection containers, convenient transportation, air-tightness is good, cost performance is high,
The various features such as solid, durable, fabulous chemical inertness.If but sampling airbag as disposable collection container, no
The pollution that only will increase environment can also improve cost, therefore sampling airbag generally can duplicate use after cleaning.
Standard HJ732-2014 " the sampling airbag of stationary source exhaust gas volatile organic matter of Environmental Protection Department publication
Method " and HJ38-2017 " the measurement gas chromatography of stationary source exhaust gas total hydrocarbon, methane and non-methane total hydrocarbons " propose airbag
The judgement requirement that can be reused, and save the requirement for the airbag reused.Common method is using High Purity Nitrogen or removes
Detection gas in the cleaned sampling airbag of the duplicate displacement of hydrocarbon air are multiple, to achieve the purpose that cleaning.If with tradition
Manual method operation, cleaning efficiency is low, and cleaning effect is poor, be difficult quickly and effectively by it is some be adsorbed in sampling airbag inner wall
On substance remove clean, during manual compression, the polluted gas sampled in airbag is easily sucked by operator, and also
It will lead to secondary pollution.
Utility model content
The purpose of the utility model is to overcome shortcoming in the prior art, provide it is a kind of it is green safe, convenient and efficient,
Efficiently close the sampling airbag automatic flushing device of rule.
The purpose of this utility model is achieved through the following technical solutions:
A kind of non-methane total hydrocarbons sampling airbag automatic flushing device, comprising: air inlet pipeline, gas exhaust piping and sampling airbag are clear
Wash pipeline.The upstream end of the admission line of the air inlet pipeline is connected to the clean gas without containing measured matter, the air inlet
Pressure reducing valve, intake solenoid valve, air inlet three-way connection are successively arranged in the downstream line of pipeline；The exhaust pipe of the gas exhaust piping
Downstream be connected with aspiration pump, the exhaust pipe of the aspiration pump is connected to active carbon filter, the upstream of the exhaust pipe
Blow-off tee connector and exhaust solenoid valve are successively arranged on pipeline, the exhaust solenoid valve is connected to exhaust solenoid valve overflow pipe；
The sampling airbag detergent line includes the M item cleaning branch being arranged in parallel, and cleaning branch road series connection described in each is equipped with N number of
Throttle valve, each throttle valve are equipped with the connectivity port for connecting with sampling airbag to be cleaned, and wherein the value of M, N are
Natural number, and M >=2, N >=2.
The air inlet three-way connection and the blow-off tee connector are respectively connected to the sampling airbag detergent line, it is described into
It is connected between gas three-way connection and the blow-off tee connector by pipeline；The intake solenoid valve and the exhaust solenoid valve point
It is not connected to Switching Power Supply, and is equipped with air inlet switch between the Switching Power Supply and the intake solenoid valve, the switch electricity
Air discharge cook is equipped between source and the exhaust solenoid valve.
It starts to work in use, powering on the aspiration pump.When inflation, the air inlet pipeline is channel status, described
Exhaust solenoid valve switching disconnects the escape pipe of the exhaust solenoid valve and the air inlet pipe of the exhaust solenoid valve, at this time the row
Pneumoelectric magnet valve overflow pipe access.After flowing through the intake solenoid valve by the clean gas that the pressure reducing valve is adjusted to certain pressure
It reaches air inlet three-way connection and thus enters in series-parallel sampling airbag detergent line.When clean gas quickly flow through it is several
After a throttle valve, the clean gas of stability of flow is uniformly charged into each corresponding sampling airbag to be cleaned of the throttle valve
In, when sampling airbag while being inflated to 80% or so of entire airbag volume, start to take out the gas in sampling airbag
Row.When exhaust, the intake solenoid valve is off state, and the exhaust solenoid valve resets, the escape pipe of the exhaust solenoid valve
It is disconnected with exhaust solenoid valve overflow pipe, the escape pipe of the exhaust solenoid valve and the air inlet pipe access of exhaust solenoid valve.It is to be cleaned
Sampling airbag in gas extracted via after throttle valve, blow-off tee connector, exhaust solenoid valve by aspiration pump, then through active carbon
Filter discharge.It is evacuated to perfect vacuum state simultaneously to all sampling airbags to be cleaned, repeated inflation, exhaust event are several
It is secondary, it after the completion of last time is evacuated, is removed after sampling airbag knob to be cleaned is screwed, changes what new a batch needed to clean
Sampling airbag to be cleaned.
The utility model has below by adopting the above-described technical solution, making it compared with prior art beneficial to effect
Fruit: it is cleaned while can be convenient, fast, efficient using the utility model non-methane total hydrocarbons sampling airbag automatic flushing device multiple
Airbag controls the present apparatus by push-botton operation and cleans to the fast pump of airbag and inflation；The present apparatus extracts sampling airbag
Interior gas reaches vacuum simultaneously, and injection clean gas reaches 80% or more full of entire airbag simultaneously in sampling airbag, such as
This reciprocal substitution gas, cleaning effect is significant, extracts 15% to the airbag cleaned and carries out residual gas detection, qualification rate reaches
100%, it is greatly improved relative to traditional-handwork cleaning method qualification rate and cleaning efficiency, and eliminate pernicious gas and human body is made
At secondary damage；Have the characteristics that green safe, easy to operate, cleaning thoroughly, rapidly and efficiently.
Wherein, the Switching Power Supply, which is equipped with, can be connected with external power source attaching plug, the attaching plug and switch
Power switch is equipped between power supply.
The quantity of the corresponding sampling airbag to be cleaned of throttle valve is the function according to the selected aspiration pump
Rate is related with the pressure of the clean gas, it is preferable that the value for being arranged to the M is 4, and the value of the N is 5.Every time
The quantity for the sampling airbag that can be cleaned can reach 20.
Preferably, the spacing between each throttle valve being arranged in series on same cleaning branch road is identical, in this way can be more square
Just the flow of gas is accurately controlled.
Preferably, the throttle valve using regulating flow quantity size throttle valve.
Wherein, the exhaust solenoid valve overflow pipe is connected with surrounding air.
Wherein, the intake solenoid valve, pressure reducing valve, exhaust solenoid valve and/or throttle valve use will not generate absorption not
Rust Steel material is made.
Wherein, the admission line, air inlet three-way connection, exhaust pipe and/or blow-off tee connector use will not generate
The polytetrafluoroethylene material or stainless steel material of absorption are made.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the preferred embodiment that the utility model samples airbag automatic flushing device.
Specific embodiment
The utility model is further described below in conjunction with drawings and examples, but the present embodiment is not limited to this
Utility model, all similar structures and its similar variation using the utility model, should all be included in the protection model of the utility model
It encloses.
As shown in Figure 1 uses airbag automatic flushing device, comprising: air inlet pipeline 10, gas exhaust piping 20 and sampling airbag
Detergent line 30.
Wherein, the upstream end of the admission line 11 of air inlet pipeline 10 is connected to the clean gas 12 without containing measured matter,
Pressure reducing valve 13, intake solenoid valve 14, air inlet three-way connection 15 are successively arranged in the downstream line of admission line 11；Gas exhaust piping 20
The downstream of exhaust pipe 21 be connected with aspiration pump 24, the exhaust pipe 23 of aspiration pump 24 is connected to active carbon filter 22, row
Be successively arranged blow-off tee connector 27 and exhaust solenoid valve 26 in the upstream line of feed channel 21, exhaust solenoid valve 26 be connected to
The exhaust solenoid valve overflow pipe 25 that surrounding air connects；Sampling airbag detergent line 30 includes four cleaning branches being arranged in parallel
31, series connection is set there are five throttle valve 32 on each cleaning branch 31, each throttle valve 32 be equipped with for sampling to be cleaned
The connectivity port that airbag 33 connects, the spacing between each throttle valve 32 being arranged in series on same cleaning branch 31 is identical, section
Valve 32 is flowed using the throttle valve of regulating flow quantity size.
Wherein intake solenoid valve 14 is two-way electromagnetic valve, and exhaust solenoid valve 26 is three-way magnetic valve.
Air inlet three-way connection 15 and blow-off tee connector 26 are respectively connected to sampling airbag detergent line 30, air inlet three-way connection
It is connected between 15 and blow-off tee connector 26 by pipeline；Intake solenoid valve 14 and exhaust solenoid valve 26 are respectively connected to switch electricity
Source 43 is equipped with air inlet switch 44, between Switching Power Supply 43 and exhaust solenoid valve 26 between Switching Power Supply 43 and intake solenoid valve 14
Equipped with air discharge cook 45.Switching Power Supply 43, which is equipped with, can be connected with external power source attaching plug 41, attaching plug 41 and switch
Power switch 42 is equipped between power supply 43.
Wherein, intake solenoid valve 14, pressure reducing valve 13, exhaust solenoid valve 26 and throttle valve 32 are using will not generate absorption not
Rust Steel material is made；Admission line 11, air inlet three-way connection 15, exhaust pipe 21 and blow-off tee connector 27 are using will not generate
The polytetrafluoroethylene material or stainless steel material of absorption are made.
Claims (8)
1. a kind of non-methane total hydrocarbons samples airbag automatic flushing device characterized by comprising
Air inlet pipeline, the upstream end of the admission line of the air inlet pipeline are connected to the clean gas without containing measured matter, institute
It states and is successively arranged pressure reducing valve, intake solenoid valve, air inlet three-way connection in the downstream line of admission line；
Gas exhaust piping, the downstream of the exhaust pipe of the gas exhaust piping are connected with aspiration pump, and the exhaust pipe of the aspiration pump connects
It is connected to active carbon filter, blow-off tee connector and exhaust solenoid valve, institute are successively arranged in the upstream line of the exhaust pipe
It states exhaust solenoid valve and is connected to exhaust solenoid valve overflow pipe；
Airbag detergent line is sampled, the M item including being arranged in parallel cleans branch, and cleaning branch road series connection described in each is equipped with N
A throttle valve, each throttle valve are equipped with the connectivity port for connecting with sampling airbag to be cleaned, wherein the value of M, N
For natural number, and M >=2, N >=2；
The air inlet three-way connection and the blow-off tee connector are respectively connected to the sampling airbag detergent line, the air inlet three
It is connected between pass joint and the blow-off tee connector by pipeline；
The intake solenoid valve and the exhaust solenoid valve are respectively connected to Switching Power Supply, the Switching Power Supply and air inlet electricity
It is equipped with air inlet switch between magnet valve, air discharge cook is equipped between the Switching Power Supply and the exhaust solenoid valve.
2. non-methane total hydrocarbons as described in claim 1 samples airbag automatic flushing device, it is characterised in that: the Switching Power Supply
Equipped with attaching plug can be connected with external power source, power switch is equipped between the attaching plug and Switching Power Supply.
3. non-methane total hydrocarbons as described in claim 1 samples airbag automatic flushing device, it is characterised in that: the M is 4, institute
Stating N is 5.
4. non-methane total hydrocarbons as described in claim 1 samples airbag automatic flushing device, it is characterised in that: in same cleaning branch
The spacing between each throttle valve that road is arranged in series is identical.
5. non-methane total hydrocarbons as described in claim 1 samples airbag automatic flushing device, it is characterised in that: the throttle valve is adopted
It is the throttle valve of regulating flow quantity size.
6. non-methane total hydrocarbons as described in claim 1 samples airbag automatic flushing device, it is characterised in that: the exhaust electromagnetism
Valve overflow pipe is connected with surrounding air.
7. non-methane total hydrocarbons as described in claim 1 samples airbag automatic flushing device, it is characterised in that: the air inlet electromagnetism
Valve, pressure reducing valve, exhaust solenoid valve and/or throttle valve are made of stainless steel.
8. non-methane total hydrocarbons as described in claim 1 samples airbag automatic flushing device, it is characterised in that: the air inlet pipe
Road, air inlet three-way connection, exhaust pipe and/or blow-off tee connector are made of polytetrafluoroethylene material or stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012154.9U CN209238628U (en) | 2018-12-03 | 2018-12-03 | Non-methane total hydrocarbons samples airbag automatic flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822012154.9U CN209238628U (en) | 2018-12-03 | 2018-12-03 | Non-methane total hydrocarbons samples airbag automatic flushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209238628U true CN209238628U (en) | 2019-08-13 |
Family
ID=67531010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822012154.9U Expired - Fee Related CN209238628U (en) | 2018-12-03 | 2018-12-03 | Non-methane total hydrocarbons samples airbag automatic flushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209238628U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624912A (en) * | 2019-11-06 | 2019-12-31 | 四川晟实科技有限公司 | Air bag cleaning machine and using method thereof |
| CN112827979A (en) * | 2020-12-30 | 2021-05-25 | 深圳市步锐生物科技有限公司 | Automatic cleaning device for expired air bag |
| CN114535214A (en) * | 2022-01-18 | 2022-05-27 | 深圳市步锐生物科技有限公司 | Splicing type air bag cleaning device and bag cleaning method |
| CN115254790A (en) * | 2022-08-23 | 2022-11-01 | 内蒙古绿碧源实验科技有限公司 | Air bag cleaning machine |
-
2018
- 2018-12-03 CN CN201822012154.9U patent/CN209238628U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624912A (en) * | 2019-11-06 | 2019-12-31 | 四川晟实科技有限公司 | Air bag cleaning machine and using method thereof |
| CN112827979A (en) * | 2020-12-30 | 2021-05-25 | 深圳市步锐生物科技有限公司 | Automatic cleaning device for expired air bag |
| CN114535214A (en) * | 2022-01-18 | 2022-05-27 | 深圳市步锐生物科技有限公司 | Splicing type air bag cleaning device and bag cleaning method |
| CN115254790A (en) * | 2022-08-23 | 2022-11-01 | 内蒙古绿碧源实验科技有限公司 | Air bag cleaning machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 Termination date: 20211203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |