CN109813581A - The mobile semi-automatic sampling car of chemical method the escaping of ammonia - Google Patents
The mobile semi-automatic sampling car of chemical method the escaping of ammonia Download PDFInfo
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- CN109813581A CN109813581A CN201910113525.9A CN201910113525A CN109813581A CN 109813581 A CN109813581 A CN 109813581A CN 201910113525 A CN201910113525 A CN 201910113525A CN 109813581 A CN109813581 A CN 109813581A
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- solenoid valve
- way solenoid
- bottle
- pipeline
- connect
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000005070 sampling Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 39
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 35
- 239000000126 substance Substances 0.000 title claims abstract description 32
- 238000010521 absorption reaction Methods 0.000 claims abstract description 45
- 239000000779 smoke Substances 0.000 claims abstract description 40
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 238000000746 purification Methods 0.000 claims abstract description 21
- 239000002253 acid Substances 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims description 49
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 10
- 238000001514 detection method Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 241000282941 Rangifer tarandus Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Treating Waste Gases (AREA)
Abstract
The embodiment of the present invention provides a kind of mobile semi-automatic sampling car of chemical method the escaping of ammonia, it is characterized in that, the mobile semi-automatic sampling car of the chemical method the escaping of ammonia includes: the sampling Integrated power control module of smoke absorption cleaning module and connection smoke absorption cleaning module；The smoke absorption cleaning module includes smoke inlet, and exhanst gas outlet, described smoke outlet setting total three-way solenoid valve one, two lines in parallel road between smoke inlet and exhanst gas outlet, every route includes: the first three-way solenoid valve；Sample absorption bottle, the sample absorption bottle are connect by pipeline with the first three-way solenoid valve；Second three-way solenoid valve, second three-way solenoid valve are connect by pipeline with sample absorption bottle；Anti-suck bottle, the anti-suck bottle are connect by pipeline with the second three-way solenoid valve；Acid solution purification bottle, the acid solution purification bottle are connect by pipeline with anti-suck bottle；Third three-way solenoid valve, the third three-way solenoid valve are connect by pipeline with acid solution purification bottle.
Description
Technical field
The present invention relates to the mobile semi-automatic sampling car of chemical field more particularly to a kind of chemical method the escaping of ammonia,
Background technique
Nitrogen oxides is one of primary pollution source of atmosphere, generallys use catalysts selective reduction method both at home and abroad at present
Removing nitrogen oxides is carried out with nonselective catalyst reduction method.Both methods is required to plus NH3Participate in reaction, a large amount of ammonia
A small amount of the escaping of ammonia is had after addition to go out into air, pollutes environment, therefore China puts into effect relevant laws and regulations, stringent limitation
Amount of ammonia slip.
NH3Detection method mainly has laser method and chemical method, and wherein laser method is to low concentration NH3Detection has certain office
Sex-limited, inaccurate, laboratory generally uses chemical method analysis detection low concentration NH3, due to NH3Content is lower and easily inhales
Attached, manually sampling easily causes NH3Loss, to cause detected value relatively low.
In realizing process of the present invention, at least there are the following problems in the prior art for inventor's discovery: laser method is to low dense
Spend NH3Detection has certain limitation, and inaccurate, laboratory generally uses chemical method analysis detection low concentration NH3, due to
NH3Content is lower and easily adsorbs, and manually sampling easily causes NH3Loss, to cause detected value relatively low.
Summary of the invention
The present invention relates to a kind of sampling car, especially a kind of mobile semi-automatic sampling car of chemical method the escaping of ammonia, to improve
Working efficiency enhances detection accuracy.
A kind of mobile semi-automatic sampling car of chemical method the escaping of ammonia, the mobile semi-automatic sampling car of the chemical method the escaping of ammonia
It include: the sampling Integrated power control module of smoke absorption cleaning module and connection smoke absorption cleaning module；
The smoke absorption cleaning module includes smoke inlet, exhanst gas outlet, the total electromagnetism three of the smoke outlet setting
Port valve one, two lines in parallel road, every route include: between smoke inlet and exhanst gas outlet
First three-way solenoid valve；
Sample absorption bottle, the sample absorption bottle are connect by pipeline with the first three-way solenoid valve；
Second three-way solenoid valve, second three-way solenoid valve are connect by pipeline with sample absorption bottle；
Anti-suck bottle, the anti-suck bottle are connect by pipeline with the second three-way solenoid valve；
Acid solution purification bottle, the acid solution purification bottle are connect by pipeline with anti-suck bottle；
Third three-way solenoid valve, the third three-way solenoid valve are connect by pipeline with acid solution purification bottle；
Drying bottle, the drying bottle include the first drying bottle, the second drying bottle, third drying bottle, first drying bottle
It is connect by pipeline with third three-way solenoid valve；
4th three-way solenoid valve, the 4th three-way solenoid valve are connect by pipeline with the first drying bottle；
Acid solution purification bottle, the acid solution purification bottle are connect by pipeline with the 4th three-way solenoid valve；
5th three-way solenoid valve, the 5th three-way solenoid valve are connect by pipeline with acid solution purification bottle；
Second drying bottle, second drying bottle are connect by pipeline with the 5th three-way solenoid valve；
6th three-way solenoid valve, the 6th three-way solenoid valve are connect by pipeline with the second drying bottle；
Third drying bottle, the third drying bottle are connect by pipeline with the 6th three-way solenoid valve；
The sampling Integrated power control module includes:
Filter, the filter are connect by pipeline with total three-way solenoid valve；
Suspended body flowmeter, the suspended body flowmeter are connected to the filter by pipeline；
Temperature sensor, the temperature sensor are connect by pipeline with suspended body flowmeter；
Pressure sensor, the pressure sensor are connect by pipeline with temperature sensor；
Blast volume controller, the blast volume controller are connect by pipeline with pressure sensor；
Vacuum pump, the vacuum pump are connect by pipeline with blast volume controller；
Signal integrated control device, the signal integrated control device by circuit respectively with temperature sensor, air quantity control
Device processed, vacuum pump, pressure sensor, total three-way solenoid valve, the first three-way solenoid valve, the second three-way solenoid valve, third electromagnetism three
Port valve, the 4th three-way solenoid valve, the 5th three-way solenoid valve, the connection of the 6th three-way solenoid valve.
Preferably, the mobile semi-automatic sampling car of the chemical method the escaping of ammonia includes 3 layers, and upper layer arrangement samples Integrated power
Smoke absorption cleaning module, the spare bottle of lower layer arrangement smoke absorption cleaning module are arranged in control module, middle layer.
Preferably, the mobile semi-automatic sampling car of the chemical method the escaping of ammonia further include: sampling car skeleton, the sampling car
Skeleton includes vehicle general frame and wheel, and sampling Integrated power control module is provided in the vehicle general frame and flue gas is inhaled
Cleaning module is received, the wheel is located under vehicle general frame.
Preferably, two lines road in parallel between the smoke inlet and exhanst gas outlet is generally aligned in the same plane, the filtering
Device is generally aligned in the same plane with suspended body flowmeter, and two lines road in parallel between smoke inlet and exhanst gas outlet is vertical.
Preferably, total three-way solenoid valve includes three ports, and first port and second port are separately connected two lines
Road, third port connection are connected to the filter by pipeline.
Preferably, in parallel with the second drying bottle the is arranged between the 5th three-way solenoid valve and the 6th three-way solenoid valve
Three parallel lines.
Preferably, in parallel with the first drying bottle the is arranged between the third three-way solenoid valve and the 4th three-way solenoid valve
Two parallel lines.
Preferably, in parallel with sample absorption bottle the is arranged between first three-way solenoid valve and the second three-way solenoid valve
One parallel line.
Preferably, the signal control device includes the display screen being arranged on sampling car skeleton.
Above-mentioned technical proposal has the following beneficial effects: because using anti-suck bottle and the technology hand of sampling car skeleton
Section, so having reached, mechanism is simple, easy to use, work efficiency is high, improves the technical effect of detection accuracy.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the operation principle schematic diagram of the mobile semi-automatic sampling car of chemical method the escaping of ammonia
Fig. 2 is the structural schematic diagram of the mobile semi-automatic sampling car of chemical method the escaping of ammonia
Detailed description of the invention
1, the first three-way solenoid valve；2, sample absorption bottle；3, the second three-way solenoid valve；4, anti-suck bottle；5, acid solution purifies
Bottle；6, third three-way solenoid valve；7, the first drying bottle；8, the 4th three-way solenoid valve；9, solution purification bottle；10, the 5th electromagnetism three
Port valve；11, the second drying bottle；12, the 6th three-way solenoid valve；13, third drying bottle；14, total three-way solenoid valve；15, filter；
16, suspended body flowmeter；17, temperature sensor；18, pressure sensor；19, blast volume controller；20, vacuum pump；21, signal is integrated
Control device；22, the first parallel line；23, the second parallel line；24, third parallel line；25, upper layer arrangement samples power
Integrated control module；26, smoke absorption cleaning module is arranged in middle layer；27, the lower spare bottle of layer arrangement smoke absorption cleaning module；
28, sampling car skeleton.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of mobile semi-automatic sampling car of chemical method the escaping of ammonia, as shown in Figure 1, chemical method the escaping of ammonia moves
The semi-automatic sampling car of dynamic formula include in parallel two lines road and connect total three-way solenoid valve 14 on two lines road, filter 15,
Suspended body flowmeter 16, temperature sensor 17, pressure sensor 18, blast volume controller 19, vacuum pump 20.
Every route includes that sequence is the first three-way solenoid valve 1, sample absorption bottle 2, the second three-way solenoid valve 3, anti-suck
Bottle 4, acid solution purification bottle 5, third three-way solenoid valve 6, the first drying bottle 7, the 4th three-way solenoid valve 8, solution purification bottle the 9, the 5th
Three-way solenoid valve 10, the second drying bottle 11, the 6th three-way solenoid valve 12, third drying bottle 13.
Signal integrated control device 21 by circuit respectively with temperature sensor 17, blast volume controller 19, vacuum pump 20, pressure
Force snesor 18, total three-way solenoid valve 14, the first three-way solenoid valve 1, the second three-way solenoid valve 3, third three-way solenoid valve 6,
Four three-way solenoid valves 8, the 5th three-way solenoid valve 10, the 6th three-way solenoid valve 12；Ammonia can be effectively avoided by various elements
The escape of gas, and improve detection accuracy.Integrated power control module is sampled, specifically using vacuum pump as power source.
Smoke absorption cleaning module, two lines road in parallel, that is, take the using and the reserved to arrange, flue gas passes sequentially through sample suction
Receive bottle 2, anti-suck bottle 4, solution purification bottle 9, the first drying bottle 7, diluted acid purification bottle, the second drying bottle 11, third drying bottle 13；
Three-way solenoid valve is arranged in the sample absorption bottle 2, the first drying bottle 7 and 11 two sides of the second drying bottle；Flue gas is through filter, floating
After subflow meter, flowmeter, vacuum pump, it is discharged into atmosphere.
Preferably, as shown in Fig. 2, the mobile semi-automatic sampling car of the chemical method the escaping of ammonia includes 3 layers, upper layer arrangement is taken
Sample Integrated power control module 25, middle layer arrange that smoke absorption cleaning module 26, lower layer arrangement smoke absorption cleaning module are spare
Bottle 27, the various bottles used for replacing middle layer smoke absorption cleaning module；Sampling car is divided into multilayer, the division of labor is clear,
The simplicity that ensure that operation avoids interfering with each other.
Preferably, as shown in Fig. 2, the mobile semi-automatic sampling car of the chemical method the escaping of ammonia further include: sampling car skeleton
28, it plays a supportive role；Sampling car skeleton, is specifically welded with stainless steel tube and stainless steel plate；The sampling car skeleton includes,
Vehicle general frame, wheel are provided with sampling Integrated power control module and smoke absorption cleaning module in the vehicle general frame,
The wheel is located under vehicle general frame；The setting of sampling car skeleton can be such that the sampling car is moved easily, and can be formed
Confined space.
Preferably, as shown in Figure 1, two lines road in parallel between the smoke inlet and exhanst gas outlet is located at same put down
Face, the filter 15 are generally aligned in the same plane with suspended body flowmeter 16, and in parallel two between smoke inlet and exhanst gas outlet
Route is vertical, avoids interfering with each other；Two parallel lines are set in this way, and wherein A route samples, and B connection new sample is inhaled
Bottle is received, terminates to switch to the second route by sampling Integrated power control module when first line samples, increases sampling car
Capacity.
Preferably, as shown in Figure 1, total three-way solenoid valve includes three ports, first port and second port difference
Two lines road is connected, third port connection is connected to the filter by pipeline；Setting can be by sampling Integrated power mould in this way
Block controls the switching on two lines road, also can control smoke absorption cleaning module switch.
Preferably, as shown in Figure 1, setting and second between the 5th three-way solenoid valve 10 and the 6th three-way solenoid valve 12
The third parallel line 24 in parallel of drying bottle 11；When the second drying bottle saturation, part route where making the second drying bottle
The replacement that short circuit, in this way setting facilitate the second drying bottle.
Preferably, as shown in Figure 1, setting and first dry between the third three-way solenoid valve 6 and the 4th three-way solenoid valve 8
Second parallel line 23 of dry bottle parallel connection；When the first drying bottle 7 saturation, keep partial line where the first drying bottle short out
Road, in this way setting facilitate the replacement of the first drying bottle, and do not have ammonia escape.
Preferably, as shown in Figure 1, setting and sample suction between first three-way solenoid valve 1 and the second three-way solenoid valve 3
Receive the first parallel line 22 of bottle parallel connection；When sample absorption bottle needs replacing time, part line short where making sample absorption bottle,
Setting in this way facilitates the replacement of sample absorption bottle, and does not have ammonia escape.Sample absorption bottle inlet end three-way solenoid valve is adopted
With silica coating spool
Preferably, as shown in Fig. 2, display screen is arranged in the signal control module；Setting can more intuitively be seen in this way
Valid data.
The sampling car connects flue gas source, controls the second three-way solenoid valve short circuit sample by sampling Integrated power control module
Product absorption bottle persistently takes gas 15 minutes, controls the second three-way solenoid valve again by sampling Integrated power control module and connects sample
Product absorption bottle, samples according to demand.
The smoke absorption cleaning module arranges AB two-way, and wherein the road A samples, and the road B connects new sample absorption bottle, when the road A
Sampling terminates to switch to the road B by sampling Integrated power control module.
Further, temperature sensor 17, suspended body flowmeter 16, pressure sensor 18 monitor smoke behavior.
Further, by sampling Integrated power control when the first drying bottle 7 and 11 desiccant of the second drying bottle absorb saturation
Module short circuit processed, with renewing drying bottle.
Further, filter 15 prevents desiccant dust from entering vacuum pump；
Further, acid solution purification bottle 5 is added reindeer moss and monitors acid solution acidity.
The present invention is convenient and efficient, persistently extracts fresh smoke, and ammonia loss amount reduces deviation caused by sampling manually, improves
DATA REASONING precision.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of mobile semi-automatic sampling car of chemical method the escaping of ammonia, which is characterized in that the chemical method the escaping of ammonia mobile half
Automatic sampling vehicle includes: the sampling Integrated power control module of smoke absorption cleaning module and connection smoke absorption cleaning module；
The smoke absorption cleaning module includes smoke inlet, exhanst gas outlet, the total three-way solenoid valve of the smoke outlet setting
One, two lines in parallel road, every route include: between smoke inlet and exhanst gas outlet
First three-way solenoid valve；
Sample absorption bottle, the sample absorption bottle are connect by pipeline with the first three-way solenoid valve；
Second three-way solenoid valve, second three-way solenoid valve are connect by pipeline with sample absorption bottle；
Anti-suck bottle, the anti-suck bottle are connect by pipeline with the second three-way solenoid valve；
Acid solution purification bottle, the acid solution purification bottle are connect by pipeline with anti-suck bottle；
Third three-way solenoid valve, the third three-way solenoid valve are connect by pipeline with acid solution purification bottle；
Drying bottle, the drying bottle include the first drying bottle, and the second drying bottle, third drying bottle, first drying bottle passes through
Pipeline is connect with third three-way solenoid valve；
4th three-way solenoid valve, the 4th three-way solenoid valve are connect by pipeline with the first drying bottle；
Acid solution purification bottle, the acid solution purification bottle are connect by pipeline with the 4th three-way solenoid valve；
5th three-way solenoid valve, the 5th three-way solenoid valve are connect by pipeline with acid solution purification bottle；
Second drying bottle, second drying bottle are connect by pipeline with the 5th three-way solenoid valve；
6th three-way solenoid valve, the 6th three-way solenoid valve are connect by pipeline with the second drying bottle；
Third drying bottle, the third drying bottle are connect by pipeline with the 6th three-way solenoid valve；
The sampling Integrated power control module includes:
Filter, the filter are connect by pipeline with total three-way solenoid valve；
Suspended body flowmeter, the suspended body flowmeter are connected to the filter by pipeline；
Temperature sensor, the temperature sensor are connect by pipeline with suspended body flowmeter；
Pressure sensor, the pressure sensor are connect by pipeline with temperature sensor；
Blast volume controller, the blast volume controller are connect by pipeline with pressure sensor；
Vacuum pump, the vacuum pump are connect by pipeline with blast volume controller；And
Signal integrated control device, the signal integrated control device by circuit respectively with temperature sensor, blast volume controller,
Vacuum pump, pressure sensor, total three-way solenoid valve, the first three-way solenoid valve, the second three-way solenoid valve, third three-way solenoid valve,
4th three-way solenoid valve, the 5th three-way solenoid valve, the connection of the 6th three-way solenoid valve.
2. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as described in claim 1, which is characterized in that
The mobile semi-automatic sampling car of the chemical method the escaping of ammonia further include: sampling car skeleton, the sampling car skeleton includes: vehicle
General frame and wheel are provided with sampling Integrated power control module and smoke absorption cleaning module in the vehicle general frame,
The wheel is located under vehicle general frame.
3. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as claimed in claim 2, which is characterized in that the chemical method ammonia
The mobile semi-automatic sampling car of escape further include: the spare bottle of smoke absorption cleaning module, the sampling car skeleton are divided into 3 layers, on
Layer arrangement samples Integrated power control module, and smoke absorption cleaning module, lower layer arrangement smoke absorption cleaning module are arranged in middle layer
Spare bottle.
4. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as claimed in claim 3, which is characterized in that the smoke inlet
Two lines road in parallel is located at first plane in middle layer between exhanst gas outlet, and the filter and suspended body flowmeter are located at middle layer
The second plane, the first plane and the second plane are vertical.
5. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as described in claim 1, which is characterized in that total electromagnetism three
For port valve tool there are three port, the first port and second port of total three-way solenoid valve are separately connected two lines road, third end
Mouth is connected to the filter by pipeline.
6. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as described in claim 1, which is characterized in that the 5th electromagnetism
The third parallel line in parallel with the second drying bottle is set between triple valve and the 6th three-way solenoid valve.
7. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as described in claim 1, which is characterized in that the third electromagnetism
Second parallel line in parallel with the first drying bottle is set between triple valve and the 4th three-way solenoid valve.
8. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as described in claim 1, which is characterized in that first electromagnetism
First parallel line in parallel with sample absorption bottle is set between triple valve and the second three-way solenoid valve.
9. the mobile semi-automatic sampling car of chemical method the escaping of ammonia as claimed in claim 2, which is characterized in that the signal is integrated
Control device includes the display screen being arranged on sampling car skeleton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113525.9A CN109813581B (en) | 2019-02-14 | 2019-02-14 | Movable semi-automatic sampling vehicle for ammonia escape by chemical method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910113525.9A CN109813581B (en) | 2019-02-14 | 2019-02-14 | Movable semi-automatic sampling vehicle for ammonia escape by chemical method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109813581A true CN109813581A (en) | 2019-05-28 |
| CN109813581B CN109813581B (en) | 2024-02-02 |
Family
ID=66606581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910113525.9A Active CN109813581B (en) | 2019-02-14 | 2019-02-14 | Movable semi-automatic sampling vehicle for ammonia escape by chemical method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109813581B (en) |
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| CN210037349U (en) * | 2019-02-14 | 2020-02-07 | 北京源深节能技术有限责任公司 | Chemical method ammonia escape sampling vehicle |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1878604A (en) * | 2003-09-02 | 2006-12-13 | 安格斯公司 | Reactive gas filter |
| US20050183490A1 (en) * | 2003-12-03 | 2005-08-25 | Anatoly Grayfer | Systems and methods for detecting contaminants |
| US20090193884A1 (en) * | 2008-02-01 | 2009-08-06 | Pearl Field Services, Llc | Mobile vacuum sampling system |
| US20160030886A1 (en) * | 2013-03-29 | 2016-02-04 | Plastic Omnium Advanced Innovation And Research | A tank for selective catalytic reduction purification of the exhaust gases of a combustion engine of a vehicle |
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| Publication number | Publication date |
|---|---|
| CN109813581B (en) | 2024-02-02 |
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