CN111841284A - Waste gas treatment device of automatic environmental air quality monitoring system - Google Patents
Waste gas treatment device of automatic environmental air quality monitoring system Download PDFInfo
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- CN111841284A CN111841284A CN202010772674.9A CN202010772674A CN111841284A CN 111841284 A CN111841284 A CN 111841284A CN 202010772674 A CN202010772674 A CN 202010772674A CN 111841284 A CN111841284 A CN 111841284A
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- scrubber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
- B01D53/565—Nitrogen oxides by treating the gases with solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/66—Ozone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/50—Carbon oxides
- B01D2257/502—Carbon monoxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides an exhaust gas treatment device of an automatic environmental air quality monitoring system, which comprises a box body, wherein the box body is provided with: the device comprises a waste gas multi-branch collection module for collecting gas, an NO scrubber connected with the waste gas multi-branch collection module and used for oxidizing NO into NO2 by using an oxidant, an activated carbon tank connected with the NO scrubber and used for realizing adsorption through activated carbon, a CO scrubber connected with the activated carbon tank and used for catalytically oxidizing CO into CO2, a heating module, an ozone scrubber connected with the CO scrubber and used for scrubbing ozone, a negative pressure active collector connected with the ozone scrubber and used for collecting gas, and an exhaust port connected with the negative pressure active collector and used for exhausting gas. Harmful calibration gas that discharges to present ambient air quality monitoring system is direct emission, seriously endangers field engineer's health, destroys peripheral atmospheric environment's problem, and this device will collect harmful gas and effectively filter in this device to make waste gas reach the emission requirement.
Description
Technical Field
The invention mainly relates to the related technical field of waste gas treatment, in particular to a waste gas treatment device of an automatic environmental air quality monitoring system.
Background
The system of the automatic monitoring station for the ambient air quality can automatically and continuously monitor the ambient air quality for 24 hours. The air environment monitoring substation comprises a sampling system, a gas analysis instrument, a calibration device, a meteorological system, substation data acquisition and the like. And a continuous automatic monitoring instrument is adopted at the environmental air quality monitoring point to continuously collect, process and analyze the samples of the environmental air quality. In order to ensure that monitoring data are accurate and reliable, system operation and maintenance personnel inspect the monitoring substation every week, a standard substance gas with a certain concentration is input on site to calibrate an analyzer, and finally the analyzer is calibrated to calibrate the standard substance gas to be high-concentration harmful gases SO2, NOX, CO and O3. In the process, the waste gas exhausted by the instrument is generally directly exhausted, is not treated indoors and seriously harms the body health of on-site operation and maintenance personnel, and is exhausted outdoors to influence the air quality of the surrounding environment.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an exhaust gas treatment device of an automatic environmental air quality monitoring system by combining the prior art and starting from practical application, aiming at the problems that harmful calibration gases discharged by the existing environmental air quality monitoring system are directly discharged, the health of field engineers is seriously harmed, and the surrounding atmospheric environment is damaged, the device collects the harmful gases and effectively filters the harmful gases in the device, so that the exhaust gas meets the emission requirement.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides an environmental air quality automatic monitoring system exhaust treatment device, includes the box, be equipped with on the box:
the device comprises a waste gas multi-branch collection module for collecting gas, an NO scrubber connected with the waste gas multi-branch collection module and used for oxidizing NO into NO2 by using an oxidant, an activated carbon tank connected with the NO scrubber and used for realizing adsorption through activated carbon, a CO scrubber connected with the activated carbon tank and used for catalytically oxidizing CO into CO2, a heating module, an ozone scrubber connected with the CO scrubber and used for scrubbing ozone, a negative pressure active collector connected with the ozone scrubber and used for collecting gas, and an exhaust port connected with the negative pressure active collector and used for exhausting gas.
Furthermore, the waste steam multi-branch collection module comprises a multi-branch centralized sampling device, the multi-branch centralized sampling device is provided with a multi-path interface, and the rear end of the multi-branch centralized sampling device is connected with a dryer in series.
Furthermore, the multi-path interface is a quick-connection adapter.
Further, the NO scrubber was oxidized by spraying potassium permanganate onto the alumina support.
Further, the tank body of the NO scrubber is an organic glass tank body, and two ends of the tank body are detachable units;
the activated carbon tank adopts an organic glass tank body, and two ends of the activated carbon tank are detachable units.
Further, the CO scrubber adopts a high molecular material as a carrier, supports a high-efficiency catalyst, and catalyzes and oxidizes CO into CO2 at a proper temperature.
Further, the ozone scrubber uses manganese dioxide to scrub out ozone.
Furthermore, the negative pressure active collector adopts an adjustable pressure mode to collect gas, and a pressure control module is arranged in the box body.
Further, still be equipped with power module and binding post in the box.
Furthermore, two opposite side surfaces on the box body are respectively provided with a box body air inlet and a box body air outlet, the box body air inlet is provided with a dustproof grid, and the box body air outlet is provided with an exhaust fan.
The invention has the beneficial effects that:
1. harmful calibration gas discharged by the existing ambient air quality monitoring system is directly discharged, seriously harms the health of field engineers and destroys the ambient atmospheric environment; the high-efficient negative pressure module in built-in vacuum of this device can initiatively collect the harmful calibration gas that environmental air quality monitoring system discharged, carries out effective filtration with the harmful gas who collects in this device, and this device is installed the activated carbon tank in addition to drive NO2, SO2, O3 and HC etc.. The CO scrubber adopts a high polymer material as a carrier, is loaded with a high-efficiency catalyst, and can catalytically oxidize CO into CO2 under a specific high-temperature condition, so that the effect of removing CO components in the collected gas is achieved, and the waste gas treated by the device can directly reach the standard and be discharged in a pure manner;
2. the accurate balanced negative pressure device of this device collects by the processing gas, does not influence the monitoring system and initiatively collects the processing with the exhaust harmful gas of ambient air quality automatic monitoring system under the prerequisite of working normally, can effectively protect environment and field engineer's health.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention.
Reference numerals shown in the drawings:
1. a waste gas multi-branch collecting module; 2. an NO scrubber; 3. an activated carbon canister; 4. a CO scrubber and a heating module; 5. an ozone scrubber; 6. a negative pressure active collector; 7. a pressure control module; 8. a wiring terminal; 9. a power supply module; 10. an exhaust port; 11. a power access module; 12. a box body exhaust port; 13. and an air inlet of the box body.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Fig. 1 and 2 are schematic structural diagrams of an exhaust gas treatment device of an automatic ambient air quality monitoring system according to an embodiment of the present invention.
The device is mounted in a portable housing. The input working voltage is as follows: (110-120) VAC60Hz or (220-240) VAC 50 Hz. The power access module 11 is arranged on one side panel of the box body and is of international standard voltage. The voltage is determined to be correct before the power is turned on. The power is about 300W. A grounding wire is required on the AC plug to ensure safe operation. If the voltage is stable, the voltage regulator is not needed. The power supply is connected into the processing device and then adopts 24V safe voltage.
The device mainly comprises the following parts:
the exhaust gas multi-branch collection module 1: the module is divided into a multi-branch centralized sampling device and is provided with 6 paths of interfaces, and the interfaces are quick-connection adapter connectors and are convenient to operate. The rear end of the multi-branch centralized sampling device is connected with a dryer in series, because when the automatic monitoring system for the ambient air quality is used, the working time of the negative pressure active collector 6 is longer, the machine body generates heat, the discharged gas meets condensation, more water vapor exists, and the purity of the treated gas is insufficient because the moisture in the gas has certain adsorption effect on SO 2. The quality of the zero gas can be improved through the dryer, and the processing precision of the system is ensured.
NO scrubber 2: the NO scrubber 2 is coated with potassium permanganate on the alumina support to primarily effect the oxidation, using an oxidant to oxidize NO to NO 2. The oxidant can be replaced by itself, the two ends of the scrubber tank body made of organic glass are detachable units, and if the NO content in the treated gas is higher, the oxidant can be replaced regularly.
The activated carbon tank 3 also adopts organic glass with two ends as detachable units, which is convenient to disassemble, assemble and replace, and has the main principle that the iodinated activated carbon has the adsorption function SO as to remove NO2, SO2, O3, HC and the like.
CO scrubber and heating module 4: the CO scrubber catalytically oxidizes CO into CO2, adopts a high polymer material as a carrier, loads a high-efficiency catalyst, and can catalytically oxidize CO into CO2 under a specific high-temperature condition, so that the effect of removing CO components in the collected gas is achieved.
Ozone scrubber 5: the scrubber uses manganese dioxide (MnO2) to scrub ozone, efficiently and quickly treat ozone gas passing through the system.
The negative pressure active collector 6: the main purpose is to actively collect the harmful gas exhausted by the automatic monitoring system of the ambient air quality on the premise of not influencing the normal work of the monitoring system. The negative pressure active collector 6 adopts an adjustable pressure mode to collect gas, so that the waste gas discharged by the collecting system with the maximum efficiency is collected, and the detention time in the multi-branch centralized sampling device is less than 20 s. The pressure drop between the inlet of the multi-branch centralized sampling device and the exhaust outlet is small and stable.
The pressure control module 7: the adjusting device collects the pressure of the gas path and balances the waste gas discharged by the environment quality monitoring system.
And (4) a connecting terminal 8: the device comprises a CO scrubber heating module, a negative pressure acquisition module, a box body air exhaust and pressure control module wiring terminal.
The power module 10: and 24V power supply is provided in the system.
Exhaust port 10: for the device to process the gas vent.
Power access module 11: and a quick-insertion type aviation connector is adopted, so that the system installation is convenient.
Case exhaust port 12: A24V exhaust fan is adopted and is provided with an air inlet dustproof grille.
Box air inlet 13: an independent dustproof grille is installed.
This device is collected by the processing gas through accurate balanced negative pressure device, does not influence the monitoring system and initiatively collects the processing with the exhaust harmful gas of ambient air quality automatic monitoring system under the prerequisite of working normally, makes it reach emission standard, can effectively protect environment and on-the-spot engineer healthy.
Claims (10)
1. The utility model provides an environmental air quality automatic monitoring system exhaust treatment device, includes the box, its characterized in that, be equipped with on the box:
the device comprises a waste gas multi-branch collection module for collecting gas, an NO scrubber connected with the waste gas multi-branch collection module and used for oxidizing NO into NO2 by using an oxidant, an activated carbon tank connected with the NO scrubber and used for realizing adsorption through activated carbon, a CO scrubber connected with the activated carbon tank and used for catalytically oxidizing CO into CO2, a heating module, an ozone scrubber connected with the CO scrubber and used for scrubbing ozone, a negative pressure active collector connected with the ozone scrubber and used for collecting gas, and an exhaust port connected with the negative pressure active collector and used for exhausting gas.
2. The exhaust treatment device of an automatic environmental air quality monitoring system according to claim 1, wherein the exhaust multi-branch collection module comprises a multi-branch centralized sampling device, the multi-branch centralized sampling device is provided with a multi-channel interface, and a dryer is connected in series at the rear end of the multi-branch centralized sampling device.
3. The exhaust treatment device of an automatic ambient air quality monitoring system according to claim 2, wherein the multi-way interface is a quick-connect adapter.
4. The exhaust gas treatment device of an automatic ambient air quality monitoring system according to claim 1, wherein the NO scrubber is oxidized by spraying potassium permanganate onto an alumina support.
5. The exhaust gas treatment device of the automatic environmental air quality monitoring system according to claim 1, wherein the tank body of the NO scrubber is an organic glass tank body, and two ends of the tank body are detachable units;
the activated carbon tank adopts an organic glass tank body, and two ends of the activated carbon tank are detachable units.
6. The exhaust gas treatment device of the automatic environmental air quality monitoring system according to claim 1, wherein the CO scrubber uses a high molecular material as a carrier, and is loaded with a high efficiency catalyst to catalytically oxidize CO into CO2 at a suitable temperature.
7. The exhaust gas treatment device of an automatic ambient air quality monitoring system according to claim 1, wherein the ozone scrubber uses manganese dioxide to scrub ozone.
8. The exhaust gas treatment device of the automatic ambient air quality monitoring system according to claim 1, wherein the negative pressure active collector collects gas in a pressure-adjustable manner, and a pressure control module is arranged in the box body.
9. The exhaust gas treatment device of the automatic ambient air quality monitoring system according to claim 1, wherein a power supply module and a connecting terminal are further arranged in the box body.
10. The exhaust treatment device of an automatic environmental air quality monitoring system according to claim 1, wherein the box body is provided with a box body air inlet and a box body air outlet at two opposite sides, the box body air inlet is provided with a dustproof grid, and the box body air outlet is provided with an exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772674.9A CN111841284A (en) | 2020-08-04 | 2020-08-04 | Waste gas treatment device of automatic environmental air quality monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772674.9A CN111841284A (en) | 2020-08-04 | 2020-08-04 | Waste gas treatment device of automatic environmental air quality monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN111841284A true CN111841284A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010772674.9A Pending CN111841284A (en) | 2020-08-04 | 2020-08-04 | Waste gas treatment device of automatic environmental air quality monitoring system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204805U (en) * | 2011-07-27 | 2012-04-25 | 湖北乐派电器有限公司 | Environmental air quality automatic monitoring system |
| CN104667740A (en) * | 2013-11-29 | 2015-06-03 | 宇星科技发展(深圳)有限公司 | Micro ozone washing device and air quality monitoring system |
| CN108519345A (en) * | 2018-04-02 | 2018-09-11 | 沈耀梅 | A kind of printing machine working region air quality intelligent monitor system based on machine learning |
| CN209108885U (en) * | 2018-09-26 | 2019-07-16 | 安徽蓝盾光电子股份有限公司 | Zero gas generator |
-
2020
- 2020-08-04 CN CN202010772674.9A patent/CN111841284A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202204805U (en) * | 2011-07-27 | 2012-04-25 | 湖北乐派电器有限公司 | Environmental air quality automatic monitoring system |
| CN104667740A (en) * | 2013-11-29 | 2015-06-03 | 宇星科技发展(深圳)有限公司 | Micro ozone washing device and air quality monitoring system |
| CN108519345A (en) * | 2018-04-02 | 2018-09-11 | 沈耀梅 | A kind of printing machine working region air quality intelligent monitor system based on machine learning |
| CN209108885U (en) * | 2018-09-26 | 2019-07-16 | 安徽蓝盾光电子股份有限公司 | Zero gas generator |
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Application publication date: 20201030 |
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