CN104793002B - A kind of air automatic monitoring device and method realizing sampling/calibration alternately equivalence operation - Google Patents
A kind of air automatic monitoring device and method realizing sampling/calibration alternately equivalence operation Download PDFInfo
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- CN104793002B CN104793002B CN201510110689.8A CN201510110689A CN104793002B CN 104793002 B CN104793002 B CN 104793002B CN 201510110689 A CN201510110689 A CN 201510110689A CN 104793002 B CN104793002 B CN 104793002B
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- 238000005070 sampling Methods 0.000 title claims abstract description 94
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 13
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 10
- 231100000719 pollutant Toxicity 0.000 claims abstract description 10
- 238000004164 analytical calibration Methods 0.000 claims abstract description 9
- 238000004458 analytical method Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 3
- 238000005374 membrane filtration Methods 0.000 claims description 3
- 229950000845 politef Drugs 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 91
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 238000011088 calibration curve Methods 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229960003753 nitric oxide Drugs 0.000 description 3
- 235000019391 nitrogen oxide Nutrition 0.000 description 3
- 230000009897 systematic effect Effects 0.000 description 3
- -1 for politef Substances 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000012952 Resampling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of air automatic monitoring device and method realizing sampling/calibration alternately equivalence operation, it is characterized in that: during by arranging gas circuit cental system and improving instrument calibration, calibrating gas is passed through mode, and connect dynamic calibration instrument, electromagnetic valve and sampling pump by relay, dynamic calibration instrument is opened during calibration, electromagnetic valve and sampling pump is closed by relay power-off, dynamic calibration instrument is closed during sampling, opens solenoid valve and sampling pump is come, it is achieved the alternately equivalence running of calibration/sampling by relay power.Described air acquisition system is mainly sampling head, described calibrating gas generation system includes calibrating gas tank, Zero gas generator, dynamic calibration instrument, described gas circuit cental system includes gas circuit maincenter passage, described intelligent conversion control system includes sampling pump, electromagnetic valve, relay, described attemperating unit includes humiture probe and sensor, Temperature and Humidity Control instrument, muff, and described pollutant analysis system includes some defecators and analytical tool.
Description
Technical field
The present invention relates to air automatic monitoring technical field, particularly relate to a kind of air automatic monitoring device and method realizing sampling/calibration alternately equivalence operation.
Background technology
The sampling of existing Atmospheric Automatic Monitoring System is respectively provided with different gas delivery channels from calibration process.During sampling, air enters sample gas passage, then is analyzed by being passed through different analytical tool after defecator;During calibration, respectively need tested project (sulfur dioxide, nitrogen dioxide, carbon monoxide) respectively one calibrating gas tank of configuration of mark-on calibration gas, calibrating gas accesses dynamic calibration instrument by different air delivering pipelines respectively, is then passed directly into analytical tool and is analyzed calibration.
Although said method can complete sampling and the instrument calibration of Atmospheric Automatic Monitoring System, but finds the part that comes with some shortcomings in actual use, routine work is affected.In real work, sampling and calibration are respectively equipped with single gas passage, alignment requirements for satisfied different analytical tool, it is respectively three kinds of gases and is respectively configured calibrating gas tank and control valve, to stop when instrument calibration gathering extraneous air simultaneously, calibration process complete after resampling again, different gas channels can cause calibrating gas different with the physical state index of sampled air, result is made to there is probabilistic systematic error, operate the most very inconvenient in real work simultaneously, consume more human and material resources and financial resources, economical not.
Summary of the invention
Given this, in order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of air automatic monitoring device and method realizing sampling/calibration alternately equivalence operation, when it is by improving instrument calibration, calibrating gas is passed through mode, and connect dynamic calibration instrument by relay, electromagnetic valve and sampling pump, dynamic calibration instrument is opened during calibration, electromagnetic valve and sampling pump is closed by relay power-off, dynamic calibration instrument is closed during sampling, opens solenoid valve and sampling pump is come by relay power, realize the alternately equivalence running of calibration/sampling, effectively to solve the drawbacks described above that in real work, existing Atmospheric Automatic Monitoring System exists.
The present invention is by the following technical solutions.
A kind of air automatic monitoring device realizing sampling/calibration alternately equivalence operation, including air acquisition system, calibrating gas generation system, gas circuit cental system, intelligent conversion control system, attemperating unit, pollutant analysis system and the air hose 4 of connecting components;It is characterized in that, described air acquisition system includes sampling head 1, roof 2, described calibrating gas generation system includes standard mixture tank 6, Zero gas generator 7, dynamic calibration instrument 5, described gas circuit cental system includes gas circuit maincenter passage 9, described intelligent conversion control system includes sampling pump 14, electromagnetic valve 15, relay 16, described attemperating unit includes humiture probe and sensor 3, temperature controller 10, muff 8, and described pollutant analysis system includes some output branch roads 11, defecator 12 and analytical tool 13;Described sampling head 1 is connected with the top of gas circuit maincenter passage 9 and this sampling head 1 is arranged on roof 2;Described standard mixture tank 6, dynamic calibration instrument 5, gas circuit maincenter passage 9, output branch road 11, defecator 12, analytical tool 13 pass sequentially through air hose 4 and connect;Described gas circuit maincenter passage 9, electromagnetic valve 15 and sampling pump 14 pass sequentially through air hose 4 and connect;Described relay 16 is connected with described dynamic calibration instrument 5, electromagnetic valve 15 and sampling pump 14 simultaneously;Described humiture probe and sensor 3, temperature controller 10 and muff 8 are sequentially connected with;The gas outlet of described standard mixture tank 6 is connected to the calibrating gas input port of described dynamic calibration instrument 5, described Zero gas generator 7 gas outlet is connected to zero gas input port of described dynamic calibration instrument 5, the output port of described dynamic calibration instrument 5 is connected to the calibrating gas input port of described gas circuit maincenter passage 9, the calibrating gas input port of described gas circuit maincenter passage 9 is positioned at gas circuit maincenter passage 9 upper end and close proximity to roof 2, described gas circuit maincenter passage 9 lower end is connected to described sampling pump 14 by electromagnetic valve 15, described gas circuit maincenter passage 9 is additionally provided with multiple output branch road 11, the output port of described output branch road 11 connects defecator 12 respectively, described defecator 12 connects corresponding analytical tool 13 input port respectively;Described humiture probe and sensor 3 are positioned at described gas circuit maincenter passage 9 upper end and close proximity to roof 2;Described muff 8 comprises nexine ribbon heater and outer layer heat-insulation layer, nexine ribbon heater is connected with described temperature controller 10, and be coated on outside the connecting line of output branch road 11 and dynamic calibration instrument 5 and gas circuit maincenter passage 9, outer layer heat-insulation layer is coated on outside nexine ribbon heater.
Described relay 16 is for controlling sampling pump 14 and the switch of electromagnetic valve 15.
Described gas circuit maincenter passage 9 and air hose 4, defecator 12 and filter membrane material be not with monitored pollutant generation chemical reaction and do not discharge and have the material of interfering material, for politef, gas circuit maincenter passage 9 internal diameter is 15.0mm, air hose 4 internal diameter is 13.0mm, membrane filtration aperture is 47nm.
Described electromagnetic valve 15 is opening when sampling, is closed mode when calibration.
The flow of described sampling pump 14 is 9.0ml/min, is opening when sampling, is closed mode when calibration.
Described standard mixture tank 6 is closed mode when sampling, is opening when calibration.
Muff 8 comprises nexine ribbon heater and outer layer heat-insulation layer, and interior layer material is glass fibre, and cladding material is the one in foam, sponge, leather.
It is 40 DEG C that described temperature controller 10 arranges constant temperature.
A kind of method using above-mentioned the realized sampling described in any one/calibration air automatic monitoring device that alternately equivalence runs to carry out atmospheric monitoring and calibration, it is characterized in that, during by arranging gas circuit cental system and improving instrument calibration, calibrating gas is passed through mode, and connect dynamic calibration instrument by relay, electromagnetic valve and sampling pump, realize the alternately equivalence running of calibration/sampling: during calibration, open standard mixture tank, Zero gas generator and dynamic calibration instrument, dynamic calibration instrument working signal is transferred to relay, make relay automatically power off and control electromagnetic valve and sampling pump quits work, then stop gathering air, under analytical tool carries air extractor power, enter analytical tool after standard mixture input gas circuit maincenter passage be analyzed and export data;During sampling, close standard mixture tank, Zero gas generator and dynamic calibration instrument, the non-working signal of dynamic calibration instrument is transferred to relay, make that relay is auto-power on controls electromagnetic valve and sampling pump unlatching work, then stopping calibration and start to gather air, air enters analytical tool under analytical tool carries air extractor power after entering gas circuit maincenter passage and is analyzed and exports data.
Compared with prior art, the present invention's has following beneficial effect.
(1) use mixing mark-on mode, reduce calibrating gas tank and the usage amount of electromagnetic valve, time saving and energy saving in operation, economically save material benefit.
(2) by arranging gas circuit maincenter passage, through identical physical change process (being incubated and defecator) before making calibrating gas and sampled air enter analytical tool, thus calibrating gas and actual samples gas channels inconsistent caused systematic error when overcoming in existing Atmospheric Automatic Monitoring System mark-on calibration, it is effectively improved the degree of accuracy of data.
(3) intelligence control system is increased, dynamic calibration instrument, electromagnetic valve and sampling pump is connected by relay, realize the automatic conversion of calibration/sampling process, dynamic calibration instrument is opened during calibration, electromagnetic valve and sampling pump is closed by relay power-off, close dynamic calibration instrument during sampling, come opens solenoid valve and sampling pump by relay power state, easy and simple to handle.
(4) by calibration analysis process, it is possible to achieve detect and judge the seal of gas circuit and the transparent performance of filter membrane, it is prevented effectively from gas leakage and filter membrane blocks the data distortion caused.
(5) temperature-humidity sensor and probe are set, dynamically monitor and transmit the temperature of gas, humidity to temperature control system, achieve the heating of the Real-time and Dynamic to gas, effectively reduce air themperature, humidity changes the water vapor condensation phenomenon that may cause, improve the accuracy of gas temperature parameter simultaneously, decrease systematic error, improve the accuracy of measurement result.
(6) by removing volume control device and additional defecator thereof and residual gas discharge-channel, the flow of conservative control sampling pump, in maintenance gas circuit maincenter passage, gas flow stablizes, realize sampling pump no-load running sampling, simplify device, easy to operate, economy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structure chart of muff.
NO calibration curve when Fig. 3 is nitrogen-oxide analyzer, calibration, its slope M=0.9906, intercept B=1.1659, coefficient R=0.9999.
NO when Fig. 4 is nitrogen-oxide analyzer, calibrationxCalibration curve, its slope M=0.9935, intercept B=1.6056, coefficient R=0.9999.
SO when Fig. 5 is flue gas analyser calibration2Calibration curve, its slope M=0.9930, intercept B=2.0619, coefficient R=0.9999.
CO calibration curve when Fig. 6 is the calibration of carbon monoxide instrument, its slope M=0.9948, intercept B=0.0348, coefficient R=0.9999.
In figure: 1, sampling head, 2, roof, 3, humiture probe and sensor, 4, air hose, 5, dynamic calibration instrument, 6, standard mixture tank, 7, Zero gas generator, 8, muff, 9, gas circuit maincenter passage, 10, temperature controller, 11, output branch road, 12, defecator, 13, analytical tool, 14, sampling pump, 15, electromagnetic valve, 16, relay, 17, ribbon heater joint, 18, nexine ribbon heater, 19, outer layer heat-insulation layer.
Detailed description of the invention
Below in conjunction with the accompanying drawings and detailed description of the invention the invention will be further described.
As shown in Figure 1, a kind of air automatic monitoring device realizing sampling/calibration alternately equivalence operation, including air acquisition system, calibrating gas generation system, gas circuit cental system, intelligent conversion control system, attemperating unit, pollutant analysis system and the air hose 4 of connecting components;It is characterized in that, described air acquisition system includes sampling head 1, roof 2, described calibrating gas generation system includes standard mixture tank 6, Zero gas generator 7, dynamic calibration instrument 5, described gas circuit cental system includes gas circuit maincenter passage 9, described intelligent conversion control system includes sampling pump 14, electromagnetic valve 15, relay 16, described attemperating unit includes humiture probe and sensor 3, temperature controller 10, muff 8, and described pollutant analysis system includes some output branch roads 11, defecator 12 and analytical tool 13;Described sampling head 1 is connected with the top of gas circuit maincenter passage 9 and this sampling head 1 is arranged on roof 2;Described standard mixture tank 6, dynamic calibration instrument 5, gas circuit maincenter passage 9, output branch road 11, defecator 12, analytical tool 13 pass sequentially through air hose 4 and connect;Described gas circuit maincenter passage 9, electromagnetic valve 15 and sampling pump 14 pass sequentially through air hose 4 and connect;Described relay 16 is connected with described dynamic calibration instrument 5, electromagnetic valve 15 and sampling pump 14 simultaneously;Described humiture probe and sensor 3, temperature controller 10 and muff 8 are sequentially connected with;The gas outlet of described standard mixture tank 6 is connected to the calibrating gas input port of described dynamic calibration instrument 5, described Zero gas generator 7 gas outlet is connected to zero gas input port of described dynamic calibration instrument 5, the output port of described dynamic calibration instrument 5 is connected to the calibrating gas input port of described gas circuit maincenter passage 9, the calibrating gas input port of described gas circuit maincenter passage 9 is positioned at gas circuit maincenter passage 9 upper end and close proximity to roof 2, described gas circuit maincenter passage 9 lower end is connected to described sampling pump 14 by electromagnetic valve 15, described gas circuit maincenter passage 9 is additionally provided with multiple output branch road 11, the output port of described output branch road 11 connects defecator 12 respectively, described defecator 12 connects corresponding analytical tool 13 input port respectively;Described humiture probe and sensor 3 are positioned at described gas circuit maincenter passage 9 upper end and close proximity to roof 2;Described muff 8 comprises nexine ribbon heater and outer layer heat-insulation layer, nexine ribbon heater is connected with described temperature controller 10, and be coated on outside the connecting line of output branch road 11 and dynamic calibration instrument 5 and gas circuit maincenter passage 9, outer layer heat-insulation layer is coated on outside nexine ribbon heater.
Described relay 16 is for controlling sampling pump 14 and the switch of electromagnetic valve 15.
Described gas circuit maincenter passage 9 and air hose 4, defecator 12 and filter membrane material be not with monitored pollutant generation chemical reaction and do not discharge and have the material of interfering material, for politef, gas circuit maincenter passage 9 internal diameter is 15.0mm, air hose 4 internal diameter is 13.0mm, membrane filtration aperture is 47nm.
Described electromagnetic valve 15 is opening when sampling, is closed mode when calibration.
The flow of described sampling pump 14 is 9.0ml/min, is opening when sampling, is closed mode when calibration.
Described standard mixture tank 6 is closed mode when sampling, is opening when calibration.
Muff 8 comprises nexine ribbon heater and outer layer heat-insulation layer, and interior layer material is glass fibre, and cladding material is the one in foam, sponge, leather.
It is 40 DEG C that described temperature controller 10 arranges constant temperature.
This kind can realize sampling/calibration air automatic monitoring device and method that alternately equivalence runs and realize the most alternately equivalence of air automatic monitoring sampling and instrument calibration process and run.
Case study on implementation 1.
During instrument calibration, open standard mixture tank 6 and dynamic calibration instrument 5, the working signal of dynamic calibration instrument 5 is transferred to relay 16 and makes this relay power-off, the also power-off simultaneously of the electromagnetic valve 15 of gas circuit maincenter passage 9 end and sampling pump 14 stops gathering air and enters gas circuit maincenter passage 9, calibrating gas and air are passed through after dynamic calibration instrument 5 carries out proportioning mixing by a certain percentage and are passed through gas circuit maincenter passage 9, standard mixture quickly fills with after gas circuit maincenter passage 9 under analytical tool 13 built-in air extractor effect, it is analyzed in defecator 12 enters analytical tool 13 via output branch road 11, and according to curve linear correlation coefficient precision, instrument is calibrated, can judge whether gas channels leaks gas and block accordingly simultaneously.
1, nitrogen-oxide analyzer, calibrates obtained valid data
Curve is shown in accompanying drawing 3, accompanying drawing 4
Molybdenum changes the average conversion efficiency of stove into 99.38% more than 96%, and conversion effect is good.
2, sulfur dioxide calibrates obtained valid data
Curve is shown in accompanying drawing 5.
3, carbon monoxide calibrates obtained valid data
Curve is shown in accompanying drawing 6.
Case study on implementation 2.
During sampling, close dynamic calibration instrument 5, the power-off signal of dynamic calibration instrument 5 is transferred to relay 16 and makes this relay power, electromagnetic valve 15 and the sampling pump 14 of gas circuit maincenter passage 9 end are energized in running order the most simultaneously, under the dynamic action of sampling pump 14, air enters gas circuit maincenter passage 9 by being arranged on the sampling head 1 outside roof 2, under the effect of the air extractor set in analytical tool 13, air enters in analytical tool 13 after defecator 12 filters and removes particulate matter therein via output branch road 11 and is analyzed, and exports real-time analytical data.
This device is sampled after a period of time, and analytical tool 13 needs again to calibrate, and repeats above-mentioned instruments calibration steps.
Claims (7)
1. can realize sampling/calibration air automatic monitoring device that alternately equivalence runs, including the air hose (4) of air acquisition system, calibrating gas generation system, gas circuit cental system, intelligent conversion control system, attemperating unit, pollutant analysis system and connecting components;It is characterized in that, described air acquisition system includes sampling head (1), roof (2), described calibrating gas generation system includes standard mixture tank (6), Zero gas generator (7), dynamic calibration instrument (5), described gas circuit cental system includes gas circuit maincenter passage (9), described intelligent conversion control system includes sampling pump (14), electromagnetic valve (15), relay (16), described attemperating unit includes humiture probe and sensor (3), temperature controller (10), muff (8), described pollutant analysis system includes some output branch roads (11), defecator (12) and analytical tool (13);Described sampling head (1) is connected with the top of gas circuit maincenter passage (9) and this sampling head (1) is arranged on roof (2);Described standard mixture tank (6), dynamic calibration instrument (5), gas circuit maincenter passage (9), output branch road (11), defecator (12), analytical tool (13) pass sequentially through air hose (4) and connect;Described gas circuit maincenter passage (9), electromagnetic valve (15) and sampling pump (14) pass sequentially through air hose (4) and connect;Described relay (16) is connected with described dynamic calibration instrument (5), electromagnetic valve (15) and sampling pump (14) simultaneously;Described humiture probe and sensor (3), temperature controller (10) and muff (8) are sequentially connected with;nullThe gas outlet of described standard mixture tank (6) is connected to the calibrating gas input port of described dynamic calibration instrument (5),Described Zero gas generator (7) gas outlet is connected to zero gas input port of described dynamic calibration instrument (5),The output port of described dynamic calibration instrument (5) is connected to the calibrating gas input port of described gas circuit maincenter passage (9),The calibrating gas input port of described gas circuit maincenter passage (9) is positioned at gas circuit maincenter passage (9) upper end and close proximity to roof (2),Described gas circuit maincenter passage (9) lower end is connected to described sampling pump (14) by electromagnetic valve (15),Described gas circuit maincenter passage (9) is additionally provided with multiple output branch road (11),The output port of described output branch road (11) connects defecator (12) respectively,Described defecator (12) connects corresponding analytical tool (13) input port respectively;Described humiture probe and sensor (3) are positioned at described gas circuit maincenter passage (9) upper end and close proximity to roof (2);Described muff (8) comprises nexine ribbon heater and outer layer heat-insulation layer, nexine ribbon heater is connected with described temperature controller (10), and be coated on outside the connecting line of output branch road (11) and dynamic calibration instrument (5) and gas circuit maincenter passage (9), outer layer heat-insulation layer is coated on outside nexine ribbon heater;Described relay (16) is used for controlling sampling pump (14) and the switch of electromagnetic valve (15);Filter membrane in described gas circuit maincenter passage (9), air hose (4) and defecator (12) be not with monitored pollutant generation chemical reaction and do not discharge and have the material politef of interfering material to make, gas circuit maincenter passage (9) internal diameter is 15.0mm, air hose (4) internal diameter is 13.0mm, membrane filtration aperture is 47nm.
A kind of air automatic monitoring device realizing sampling/calibration alternately equivalence operation the most according to claim 1, it is characterised in that described electromagnetic valve (15) is opening when sampling, is closed mode when calibration.
A kind of air automatic monitoring device realizing sampling/calibration alternately equivalence operation the most according to claim 1, it is characterised in that the flow of described sampling pump (14) is 9.0ml/min, is opening when sampling, is closed mode when calibration.
A kind of air automatic monitoring device realizing sampling/calibration alternately equivalence operation the most according to claim 1, it is characterised in that described standard mixture tank (6) is closed mode when sampling, is opening when calibration.
A kind of air automatic monitoring device realizing sampling/calibration alternately equivalence operation the most according to claim 1, it is characterized in that described muff (8) comprises nexine ribbon heater and outer layer heat-insulation layer, interior layer material is glass fibre, and cladding material is the one in foam, sponge, leather.
A kind of air automatic monitoring device realizing sampling/calibration alternately equivalence operation the most according to claim 1, it is characterised in that it is 40 DEG C that described temperature controller (10) arranges constant temperature.
7. the method that the air automatic monitoring device using a kind of as according to any one of claim 1-6 to realize sampling/calibration alternately equivalence operation carries out atmospheric monitoring and calibration, it is characterized in that, during by arranging gas circuit cental system and improving instrument calibration, calibrating gas is passed through mode, and connect dynamic calibration instrument by relay, electromagnetic valve and sampling pump, realize the alternately equivalence running of calibration/sampling: during calibration, open standard mixture tank, Zero gas generator and dynamic calibration instrument, dynamic calibration instrument working signal is transferred to relay, make relay automatically power off and control electromagnetic valve and sampling pump quits work, then stop gathering air, under analytical tool carries air extractor power, enter analytical tool after standard mixture input gas circuit maincenter passage be analyzed and export data;During sampling, close standard mixture tank, Zero gas generator and dynamic calibration instrument, the non-working signal of dynamic calibration instrument is transferred to relay, make that relay is auto-power on controls electromagnetic valve and sampling pump unlatching work, then stopping calibration and start to gather air, air enters analytical tool under analytical tool carries air extractor power after entering gas circuit maincenter passage and is analyzed and exports data.
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US10948470B2 (en) * | 2016-04-29 | 2021-03-16 | TricornTech Taiwan | System and method for in-line monitoring of airborne contamination and process health |
CN106370792B (en) * | 2016-11-01 | 2018-01-02 | 张嘉怡 | A kind of indoor air quality monitoring system |
CN108956855A (en) * | 2017-05-17 | 2018-12-07 | 台达电子工业股份有限公司 | Test macro and method for air sensing device |
CN108037250A (en) * | 2018-01-02 | 2018-05-15 | 天津同阳科技发展有限公司 | Detection of Air Quality device and method |
CN109655564A (en) * | 2019-01-18 | 2019-04-19 | 武汉市天虹仪表有限责任公司 | A kind of two-way continuous sample introduction device and method |
CN110319871A (en) * | 2019-05-09 | 2019-10-11 | 广州长德环境研究院有限公司 | A kind of surrounding air gaseous pollutant monitors sampling general pipeline gas circuit monitoring system automatically |
CN110057980A (en) * | 2019-05-16 | 2019-07-26 | 广州长德环境研究院有限公司 | A kind of on-line gas analysis instrument state automatic monitoring device |
CN112147280B (en) * | 2020-09-04 | 2023-06-30 | 北京英视睿达科技股份有限公司 | Remote calibration method for sensor for monitoring ambient air and ambient air quality monitoring device |
CN112904761B (en) * | 2021-01-15 | 2022-02-01 | 四川大学 | Calibration platform osmotic pressure control system and control method thereof |
CN113588883B (en) * | 2021-08-02 | 2022-10-04 | 中科三清科技有限公司 | Ambient air quality monitoring device for automatic calibration |
CN115639318A (en) * | 2022-09-29 | 2023-01-24 | 苏州西热节能环保技术有限公司 | CO (carbon monoxide) 2 Real-time automatic calibration system and method for on-line monitoring equipment |
CN116429652A (en) * | 2023-06-08 | 2023-07-14 | 河北赛默森环保科技有限公司 | Pollution source flue gas automatic calibration device |
CN116539819B (en) * | 2023-07-05 | 2023-09-01 | 广州宜南电子科技有限公司 | Sensor working channel and mode selection control system and method of gas detector |
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DE19962589A1 (en) * | 1999-12-23 | 2001-07-19 | Abb Patent Gmbh | Method and device for measuring a proportion of a measuring gas |
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CN203275423U (en) * | 2013-04-18 | 2013-11-06 | 中国科学院大连化学物理研究所 | Heating insulation and sealing device for collecting expiratory air |
CN103293327B (en) * | 2013-06-28 | 2014-08-13 | 国家海洋局第三海洋研究所 | Atmospheric pCO2 automatic monitoring system |
CN204008677U (en) * | 2014-07-12 | 2014-12-10 | 广州市科迪隆科学仪器设备有限公司 | A kind of auto-monitor of surrounding air quality sampling apparatus |
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