CN212410546U - Tail gas decomposition and concentration testing device for tunnel simulation environment - Google Patents
Tail gas decomposition and concentration testing device for tunnel simulation environment Download PDFInfo
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- CN212410546U CN212410546U CN202020812286.4U CN202020812286U CN212410546U CN 212410546 U CN212410546 U CN 212410546U CN 202020812286 U CN202020812286 U CN 202020812286U CN 212410546 U CN212410546 U CN 212410546U
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000000354 decomposition reaction Methods 0.000 title claims abstract description 12
- 238000004088 simulation Methods 0.000 title claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 69
- 230000000694 effects Effects 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000006731 degradation reaction Methods 0.000 abstract description 6
- 238000005485 electric heating Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 239000011941 photocatalyst Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model discloses a tail gas decomposition and concentration testing device used for tunnel simulation environment, wherein a light source and a fan are electrically connected to a control panel; a tail gas cylinder is arranged on one side of the tunnel model and communicated to the tunnel model through a gas inlet pipe, and a valve and a flowmeter are further arranged on the gas inlet pipe; and the other side of the tunnel model is also provided with a tail gas concentration testing module which is communicated to the tunnel model through an air outlet pipe. The device can simulate the environment in the tunnel, test the degradation effect of the tail gas, and control the concentration of the tail gas in the tunnel by opening holes on the closed door and the side wall for air inlet and outlet; an electric heating piece, a fan, a light source and a humidifier are arranged in the tunnel and used for displaying the corresponding concentration of the tail gas by a tail gas concentration testing module; the environment state of tunnel can really be simulated to this application, and the distribution state of tail gas in the test tunnel measures the degradation effect of catalyst to different tail gases.
Description
Technical Field
The utility model relates to a simulation test equipment field, concretely relates to tail gas decomposes and concentration test device for tunnel simulation environment.
Background
Because the environment is relatively closed in structures such as tunnels, underground passages and the like, a large amount of automobile exhaust discharged when automobiles pass is gathered at the structures, and because the exhaust contains a large amount of toxic and harmful gases such as HC, CO, NOx and the like, the gases in the air not only pollute the environment, but also bring serious harm to the health of people once entering human bodies. At present, the physical means of strengthening ventilation is mostly adopted for treating tail gas, the tail gas cannot be eliminated fundamentally, the research on the method for degrading the automobile tail gas by adopting a catalyst is increasingly hot, and the photocatalyst method is that a catalyst such as TiO2 is sprayed on the surface of a wall or a road, and the tail gas in the air is catalyzed into harmless gas or substances under the irradiation of a light source, so that the aim of degrading the automobile tail gas is fulfilled, and the photocatalyst has the advantages of environmental protection and high efficiency. In order to simulate and research the exhaust concentration distribution condition in the tunnel and the degradation effect of the photocatalyst on the exhaust, it is very necessary to develop a testing device which simulates the tunnel device and can test the exhaust concentration distribution and the decomposition effect of the catalyst on the exhaust.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a tail gas decomposes and concentration test device for tunnel simulation environment.
In order to realize the technical purpose, the utility model discloses a scheme is: a tail gas decomposition and concentration testing device for a tunnel simulation environment comprises a tunnel model, wherein a plurality of light sources and fans are arranged in the tunnel model, and the light sources and the fans are electrically connected to a control panel;
a tail gas cylinder is arranged on one side of the tunnel model and communicated to the tunnel model through a gas inlet pipe, and a valve and a flowmeter are further arranged on the gas inlet pipe;
the other side of the tunnel model is also provided with a tail gas concentration testing module which is communicated to the tunnel model through a gas outlet pipe;
the end to end of the tunnel model is also provided with a closed door, the closed door is provided with an air inlet, and the side wall of the tunnel model is provided with an air outlet;
the air inlet pipe is characterized in that rubber plugs are sleeved at the tail end of the air inlet pipe and the head end of the air outlet pipe, the rubber plugs in the air inlet pipe are installed on an air inlet hole of the closed door in an embedded mode, and the rubber plugs in the air outlet pipe are installed on an air outlet hole in the side wall of the tunnel model in an embedded mode.
Still be provided with electric heat piece and temperature sensor in the tunnel model, electric heat piece and temperature sensor are connected with control panel electricity respectively.
Preferably, a gasoline filter is further arranged between the air inlet pipe and the tail gas concentration testing module.
Preferably, one side of the tunnel model is also provided with a cabin door which is convenient for replacing the track plates with the catalyst, and the track plates with different catalyst contents can be replaced by opening the cabin door without opening a closing door.
Preferably, the light source is one or more of an ultraviolet lamp, a fluorescent lamp or an LED lamp.
Preferably, a humidifier and a humidity sensor are further arranged in the tunnel model, and the humidifier and the humidity sensor are respectively and electrically connected with the control panel.
The utility model has the advantages that: the device can simulate the environment in the tunnel, test the degradation effect of the tail gas, and control the concentration of the tail gas in the tunnel by opening holes on the closed door and the side wall for air inlet and outlet; an electric heating piece, a fan, a light source and a humidifier are arranged in the tunnel and used for displaying the corresponding concentration of the tail gas by a tail gas concentration testing module; the environment state of tunnel can really be simulated to this application, and the distribution state of tail gas in the test tunnel measures the degradation effect of catalyst to different tail gases.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the schematic structural diagram of the rubber stopper of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a specific embodiment of the present invention is an apparatus for decomposing tail gas and testing concentration in a tunnel simulation environment, which comprises a tunnel model, wherein the tunnel model is preferably made of polyvinyl chloride (PVC) material. A plurality of light sources 1 and fans 2 are arranged in the tunnel model, and the light sources 1 and the fans 2 are electrically connected to a control panel 3; the light source 1 of the present application is preferably one or more of an ultraviolet lamp, or a fluorescent lamp, or an LED lamp.
A tail gas cylinder 4 is arranged on one side of the tunnel model, the tail gas cylinder 4 is communicated to the tunnel model through a gas inlet pipe 5, and a valve 6 and a flowmeter 7 are further arranged on the gas inlet pipe 5; the device is used for controlling the air inlet speed of the tail gas and adjusting different tail gas concentration states in the tunnel.
The other side of the tunnel model is also provided with a tail gas concentration testing module 8, and the tail gas concentration testing module 8 is communicated to the tunnel model through a gas outlet pipe 9; the tail gas concentration test module can detect the type and the concentration of tail gas to show on the display screen, convenient directly perceived understanding data carries out the comparison analysis.
In order to facilitate assembly and disassembly, the head end and the tail end of the tunnel model are also provided with a closed door 10, the closed door 10 is provided with an air inlet 11, and the side wall of the tunnel model is provided with an air outlet 12; rubber plugs 13 are sleeved at the tail ends of the air inlet pipe 5 and the head end of the air outlet pipe 9, the rubber plugs 13 in the air inlet pipe 5 are installed on the air inlet holes 11 of the closed door in an embedded mode, and the rubber plugs 13 in the air outlet pipe 9 are installed on the air outlet holes 12 in the side wall of the tunnel model in an embedded mode. After the test is finished, the rubber plugs can be plugged into the air inlet holes and the air outlet holes, so that the tunnel model is kept clean and tidy.
In order to test the influence of the temperature on the concentration of the tail gas, an electric heating sheet 14 and a temperature sensor 15 are further arranged in the tunnel model, and the electric heating sheet 14 and the temperature sensor 15 are respectively and electrically connected with the control panel 3. In order to test the influence of humidity on the test, a humidifier 18 and a humidity sensor 19 are further arranged in the tunnel model, and the humidifier 18 and the humidity sensor 19 are respectively and electrically connected with the control panel 3.
In order to accurately test and analyze the tail gas, a gasoline filter 16 is further arranged between the air inlet pipe 5 and the tail gas concentration test module 8, so that oil smoke generated in the catalysis process is effectively filtered, interference is reduced, and data are more accurate.
In order to facilitate the operation, one side of the tunnel model is also provided with a cabin door 17 which is convenient for replacing the rutting plates with the catalyst, and the rutting plates with different catalyst contents can be replaced by opening the cabin door without opening a closing door.
The method comprises the following specific operation steps: firstly, putting a track plate (or a paperboard, a glass plate and the like) scattered with a certain amount of catalyst into a tunnel model, installing different light sources (such as ultraviolet lamps, fluorescent lamps, LED lamps and the like), then installing the seals 10 of the tunnel model, connecting an exhaust gas cylinder 4 to an air inlet 11 through an air inlet pipe 5 by using a rubber plug 13, connecting an exhaust gas concentration testing module 8 to an air outlet 12 on the wall of a tunnel hole through a rubber plug 13, sealing other small holes by using an adhesive tape/rubber plug to ensure the tightness of the tunnel, setting the conditions of illumination and temperature through a control panel 3, opening a valve 6 of the exhaust gas cylinder, determining the amount of exhaust gas introduced into the tunnel according to a flowmeter 7, closing the valve after the initial concentration is set, opening a fan 2 to stir for a period of time, closing the fan, opening the exhaust gas concentration testing module 8, recording the concentration of corresponding gas at regular intervals when the data is stable, the concentration of the exhaust gas at different positions can be measured according to requirements. Initial tail gas concentration C0And final tail gas concentration CtIs compared with the initial exhaust gas concentration C0Namely the cumulative decomposition rate, to characterize and evaluate the decomposition effect of the catalyst on the exhaust gas, as shown in the following formula:
in the formula: -represents the cumulative decomposition rate (%) of each exhaust gas;
C0-representing the initial gas concentration of each gas;
Ctand after the catalytic action of the test piece, collecting tail gas at the time t and controlling the concentration of each gas in the reaction box.
Through the test system, the tail gas degradation effect of the catalyst on different positions of the tunnel under various environmental conditions such as different lamp sources, different illumination intensities, different tail gas initial concentrations, different catalyst types and usage amounts, different temperatures, different humidities and the like can be obtained, and further research such as tunnel tail gas distribution rules and catalyst type optimization is carried out.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (5)
1. The utility model provides a tail gas decomposes and concentration testing arrangement for tunnel simulated environment which characterized in that: the tunnel model is internally provided with a plurality of light sources and fans, and the light sources and the fans are electrically connected to a control panel;
a tail gas cylinder is arranged on one side of the tunnel model and communicated to the tunnel model through a gas inlet pipe, and a valve and a flowmeter are further arranged on the gas inlet pipe;
the other side of the tunnel model is also provided with a tail gas concentration testing module which is communicated to the tunnel model through a gas outlet pipe;
the end to end of the tunnel model is also provided with a closed door, the closed door is provided with an air inlet, and the side wall of the tunnel model is provided with an air outlet;
rubber plugs are sleeved at the tail end of the air inlet pipe and the head end of the air outlet pipe, the rubber plugs on the air inlet pipe are embedded on the air inlet holes of the closed door, and the rubber plugs on the air outlet pipe are embedded on the air outlet holes in the side wall of the tunnel model;
still be provided with electric heat piece and temperature sensor in the tunnel model, electric heat piece and temperature sensor are connected with control panel electricity respectively.
2. The tail gas decomposition and concentration testing device for the tunnel simulation environment according to claim 1, wherein: and a gasoline filter is also arranged between the air inlet pipe and the tail gas concentration testing module.
3. The tail gas decomposition and concentration testing device for the tunnel simulation environment according to claim 1, wherein: and one side of the tunnel model is also provided with a cabin door which is convenient for replacing the track plates with the catalyst, and the track plates with different catalyst contents can be replaced by opening the cabin door without opening a closed door.
4. The tail gas decomposition and concentration testing device for the tunnel simulation environment according to claim 1, wherein: the light source is one or more of an ultraviolet lamp, a fluorescent lamp or an LED lamp.
5. The tail gas decomposition and concentration testing device for the tunnel simulation environment according to claim 1, wherein: still be provided with humidifier and humidity transducer in the tunnel model, humidifier and humidity transducer are connected with the control panel electricity respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020812286.4U CN212410546U (en) | 2020-05-15 | 2020-05-15 | Tail gas decomposition and concentration testing device for tunnel simulation environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020812286.4U CN212410546U (en) | 2020-05-15 | 2020-05-15 | Tail gas decomposition and concentration testing device for tunnel simulation environment |
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| Publication Number | Publication Date |
|---|---|
| CN212410546U true CN212410546U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020812286.4U Expired - Fee Related CN212410546U (en) | 2020-05-15 | 2020-05-15 | Tail gas decomposition and concentration testing device for tunnel simulation environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212721A (en) * | 2022-06-30 | 2022-10-21 | 长安大学 | Autonomous system and method for decomposing automobile exhaust in tunnel |
-
2020
- 2020-05-15 CN CN202020812286.4U patent/CN212410546U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115212721A (en) * | 2022-06-30 | 2022-10-21 | 长安大学 | Autonomous system and method for decomposing automobile exhaust in tunnel |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210126 |