CN220696308U - Gas drying and purifying device and odor dynamic dilution sniffing instrument - Google Patents
Gas drying and purifying device and odor dynamic dilution sniffing instrument Download PDFInfo
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- CN220696308U CN220696308U CN202322292615.3U CN202322292615U CN220696308U CN 220696308 U CN220696308 U CN 220696308U CN 202322292615 U CN202322292615 U CN 202322292615U CN 220696308 U CN220696308 U CN 220696308U
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- gas
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- dehydrator
- gas drying
- storage tank
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- 238000001035 drying Methods 0.000 title claims abstract description 28
- 238000010790 dilution Methods 0.000 title claims abstract description 27
- 239000012895 dilution Substances 0.000 title claims abstract description 27
- 230000003197 catalytic effect Effects 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims description 21
- 239000002808 molecular sieve Substances 0.000 claims description 14
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 10
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000003085 diluting agent Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 82
- 239000003570 air Substances 0.000 description 43
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Abstract
The utility model relates to the technical field of environmental protection, and provides a gas drying and purifying device and a peculiar smell dynamic dilution sniffer; the catalytic cleaner is connected to the air outlet; the dehydrator is connected with the air outlet end of the catalytic cleaner; the gas storage tank is connected to the gas outlet end of the dehydrator and is used for being connected to a pressure controller of the odor dynamic dilution sniffing instrument. The impurities in the gas treated by the catalytic cleaner and the dehydrator are greatly reduced, so that the gas can be used as diluent gas to reduce the measurement influence on the odor dynamic dilution sniffing instrument, and the measurement accuracy of the odor sample is improved.
Description
Technical Field
The utility model relates to the technical field of environmental protection, in particular to a gas drying and purifying device and an odor dynamic dilution sniffing instrument.
Background
Malodor is one of seven typical public hazards in the world today, malodorous pollutants can directly stimulate the olfactory organs of people, can cause toxicity to different degrees on the respiration, digestion, endocrine, nervous system and spirit of people, and can cause poisoning and even death of people under high concentration condition. For this reason, relevant standard malodor measurement methods are developed in succession in each country, wherein the dilution technique is a key element affecting the accuracy of malodor measurement.
The odor dynamic dilution sniffing instrument uses a high-precision high-proportion dilution technology, and generally uses clean ambient air as dilution gas to accurately dilute the odor sample, so as to realize the accurate measurement of the odor sample. The main components in the air are oxygen, nitrogen, carbon dioxide and some impurities such as benzene series, ammonia, ozone, carbon monoxide, water vapor and the like. Some of the impurities, due to their own specific smell, can seriously affect the sniffing result if entering the sniffing instrument as diluent gas. In the related art, the odor dynamic dilution sniffer has more diluent gas impurities and is easy to influence the measurement result of the odor sample, thereby restricting the further control of the odor pollution.
Disclosure of Invention
The present utility model is directed to solving at least one of the technical problems existing in the related art. Therefore, the utility model provides a gas drying and purifying device, which aims to purify diluent gas and reduce the influence on the measurement result of malodorous samples.
The utility model also provides a smell identifying instrument for dynamically diluting the peculiar smell.
An embodiment of the gas drying and purifying apparatus according to the first aspect of the present utility model includes:
the compressor is provided with an air inlet and an air outlet, and the air inlet is used for being communicated with an air source;
the catalytic purifier is connected to the air outlet;
the dehydrator is connected to the air outlet end of the catalytic purifier;
the gas storage tank is connected to the gas outlet end of the dehydrator and is used for being connected to a pressure controller of the odor dynamic dilution sniffing instrument.
According to the gas drying and purifying device provided by the embodiment of the utility model, the gas is conveyed through the compressor, and enters the catalytic purifier from the gas outlet of the compressor, so that the catalytic purifier purifies the gas. The purified gas is discharged from the catalytic purifier and enters the dehydrator to be dried, and then is stored in the gas storage tank, the gas storage tank can be connected with the pressure controller of the odor dynamic dilution sniffing instrument, so that the gas in the gas storage tank can be used for diluting the sample gas in the odor dynamic dilution sniffing instrument, and the diluted gas can be used for sniffing experiments by experimental staff. It can be understood that the impurities in the gas treated by the catalytic cleaner and the dehydrator are greatly reduced, and the gas can be used as diluent gas to reduce the measurement influence on the odor dynamic dilution sniffer, thereby improving the measurement accuracy of the odor sample.
According to one embodiment of the utility model, a pressure detection unit is arranged in the air storage tank.
According to one embodiment of the utility model, the gas storage tank is internally provided with an odor monitoring and early warning device.
According to one embodiment of the utility model, the device further comprises a dust removing device, wherein the dust removing device is arranged between the dehydrator and the air storage tank and is respectively communicated with the dehydrator and the air storage tank.
According to one embodiment of the utility model, a molecular sieve filter tank is connected between the dust removing device and the air storage tank, and the molecular sieve filter tank is used for filtering water.
According to one embodiment of the utility model, the molecular sieve filter canister is provided with a humidity sensor.
According to one embodiment of the utility model, an activated carbon filter tank is connected between the dust removing device and the air storage tank.
According to one embodiment of the utility model, a condenser pipe and a transformer are connected between the catalytic converter and the dehydrator.
According to one embodiment of the utility model, the compressor is an oil-free compressor.
The odor dynamic dilution sniffing instrument according to the embodiment of the second aspect of the utility model comprises the gas drying and purifying device.
The odor dynamic dilution sniffer according to the embodiment of the utility model comprises the gas drying and purifying device, so that the odor dynamic dilution sniffer has all the technical effects of the gas drying and purifying device and is not repeated herein.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Fig. 1 is a schematic structural diagram of a gas drying and purifying device according to an embodiment of the present utility model.
Reference numerals:
1. a compressor; 2. a catalytic converter; 3. a condensing tube; 4. a transformer; 5. a dehydrator; 6. a drain valve; 7. a pressure release valve; 8. a bleed valve; 9. a dust removal device; 10. a molecular sieve filtration tank; 11. an activated carbon filtration tank; 12. a gas storage tank; 13. a pressure detection unit; 14. peculiar smell gas monitoring and early warning device.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
As shown in fig. 1, the gas drying and purifying apparatus according to the embodiment of the first aspect of the present utility model includes a compressor 1, a catalytic converter 2, a dehydrator 5, and a gas storage tank 12, wherein the compressor 1 is provided with a gas inlet and a gas outlet, and the gas inlet is used for communicating with a gas source; the catalytic cleaner 2 is connected to the air outlet; the dehydrator 5 is connected with the air outlet end of the catalytic cleaner 2; the gas storage tank 12 is connected to the air outlet end of the dehydrator 5, and the gas storage tank 12 is used for being connected to a pressure controller of the odor dynamic dilution sniffing instrument.
In the present embodiment, the air inlet of the compressor 1 may beThe compressor 1 may preferably be an oil-free compressor 1, which is connected to an external air source, for example clean ambient air, so as to avoid the use of cylinders to introduce hydrocarbon impurities and reduce the impurities in the gas. It will be appreciated that the compressor 1, the catalytic converter 2, the water separator 5 and the air reservoir 12 are connected in sequence so that the gas passes through in sequence. All the components can be communicated through pipelines so as to be convenient for conveying gas, all the components are arranged at reasonable positions, all the components can be installed and connected at certain intervals, and the defect of insufficient installation space is avoided. Optionally, a noble metal catalyst, such as Pd/CeO, is provided in the catalytic converter 2 2 -ZrO 2 The catalyst has the catalysis temperature of 200 ℃ and can remove formaldehyde, benzene, toluene and other peculiar smell substances in the air, and of course, other catalysts can be arranged in the catalytic cleaner 2 to perform catalytic cleaning on different peculiar smell gases. Optionally, a drain valve 6 is provided at an end of the dehydrator 5 or the dehydrator 5 is connected with the drain valve 6 to drain water generated in the dehydrator 5 in time.
Taking air as gas to be introduced into the compressor 1 as an example, in order to enable the air to recover to a lower temperature after catalytic purification so as to avoid high-temperature air from influencing the normal operation of subsequent parts, a condensing tube 3 is arranged between the catalytic purifier 2 and the dehydrator 5, and the condensing tube 3 cools the air passing through the catalytic purifier 2 so as to avoid overhigh air temperature. Meanwhile, a transformer 4 is further arranged between the catalytic cleaner 2 and the dehydrator 5 and used for controlling the pressure of the air path, avoiding the overhigh pressure of the air path and improving the safety.
According to the gas drying and purifying device provided by the embodiment of the utility model, the gas is conveyed through the compressor 1, and the gas enters the catalytic converter 2 from the gas outlet of the compressor 1, so that the catalytic converter 2 purifies the gas. The purified gas is discharged from the catalytic cleaner 2 and enters the dehydrator 5 for drying operation, and then is stored in the gas storage tank 12, the gas storage tank 12 can be connected with a pressure controller of the odor dynamic dilution sniffing instrument, so that the gas in the gas storage tank 12 can be used for diluting the sample gas in the odor dynamic dilution sniffing instrument, and the diluted gas can be used for an experimenter to perform sniffing experiments. It can be understood that the impurities in the gas treated by the catalytic converter 2 and the dehydrator 5 are greatly reduced, so that the gas can be used as diluent gas to reduce the measurement influence on the odor dynamic dilution sniffer, and the measurement accuracy of the odor sample is improved.
According to one embodiment of the present utility model, a pressure detecting unit 13 is provided in the air tank 12. It will be appreciated that the pressure detecting unit 13 may be a pressure sensor, and may monitor the air pressure in the air tank 12 in time to avoid excessive air pressure in the air tank 12. Alternatively, a pressure sensor is electrically connected to the compressor 1, and the pressure sensor can feed back a signal to the compressor 1, so that the air intake condition of the compressor 1 can be regulated according to the air pressure inside the air storage tank 12. When the pressure in the air storage tank 12 is too high, the air inlet of the compressor 1 can be stopped in time, and the safety is ensured. Optionally, the pipelines connected between the dehydrator 5 and the air storage tank 12 can be provided with structures such as a pressure release valve 7, a deflation valve 8 and the like, so that the pressure is released in time, and the safety is improved.
According to one embodiment of the present utility model, the gas storage tank 12 is provided with an odorous gas monitoring and early warning device 14. It will be appreciated that the odorous gas monitoring and early warning device 14 monitors the odorous substances in the gas storage tank 12, and if the usage standard of the diluted gas is exceeded, an alarm is given to remind the user of timely maintenance. The odorous gas monitoring and warning device 14 includes, but is not limited to, odorous gas sensors and alarms, wherein the odorous gas sensors can be one or more sensors of benzene, ammonia gas, chlorine-containing compounds and the like so as to correspondingly monitor different odorous gases, and after the odorous gas in the gas storage tank 12 reaches a certain concentration, the corresponding odorous gas sensors send out signals, so that the alarms send out alarms, such as voice reminding or lamplight reminding, and a user can conveniently monitor the gas quality in the gas storage tank 12 in time.
According to one embodiment of the utility model, the device further comprises a dust removing device 9, wherein the dust removing device 9 is arranged between the dehydrator 5 and the air storage tank 12, and the dust removing device 9 is respectively communicated with the dehydrator 5 and the air storage tank 12. It can be understood that the dust removing device 9 is provided with a dust removing filter screen to filter tiny particles such as dust in the air, improve the gas quality and prevent the dust from causing loss to the precise instrument in the sniffing instrument.
According to one embodiment of the present utility model, a molecular sieve filter tank 10 is connected between the dust removing device 9 and the air storage tank 12, and the molecular sieve filter tank 10 is used for filtering water. It will be appreciated that the drying gas in the dehydrator 5 may not be complete, and after the dehydrator 5 dries the gas, the gas enters the dust removal device 9 to remove dust, and then enters the molecular sieve filter tank 10 to filter the residual moisture again, so as to improve the drying degree of the gas.
According to an embodiment of the present utility model, the molecular sieve filter tank 10 is provided with a humidity sensor, and it is understood that the humidity sensor is provided at an outlet end of the molecular sieve filter tank 10, so as to detect the dryness of the gas filtered by the molecular sieve filter tank 10, so that a user can conveniently follow up whether the molecular sieve filter tank 10 is working normally in time.
According to one embodiment of the present utility model, an activated carbon filter tank 11 is connected between the dust removing device 9 and the air storage tank 12, and it is understood that the activated carbon filter tank 11 removes the odor substances in the air: benzene, ammonia, chlorine-containing compounds, and the like.
The odor dynamic dilution sniffing instrument according to the embodiment of the second aspect of the utility model comprises the gas drying and purifying device.
The odor dynamic dilution sniffer according to the embodiment of the utility model comprises the gas drying and purifying device, so that the odor dynamic dilution sniffer has all the technical effects of the gas drying and purifying device and is not repeated herein.
Finally, it should be noted that the above-mentioned embodiments are merely illustrative of the utility model, and not limiting. While the utility model has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, or equivalent substitutions can be made to the technical solutions of the present utility model without departing from the spirit and scope of the technical solutions of the present utility model, and it is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
1. A gas drying and purifying apparatus, comprising:
the compressor is provided with an air inlet and an air outlet, and the air inlet is used for being communicated with an air source;
the catalytic purifier is connected to the air outlet;
the dehydrator is connected to the air outlet end of the catalytic purifier;
the gas storage tank is connected to the gas outlet end of the dehydrator and is used for being connected to a pressure controller of the odor dynamic dilution sniffing instrument.
2. The gas drying and purifying apparatus of claim 1, wherein a pressure detecting unit is provided in the gas tank.
3. The gas drying and purifying device according to claim 1, wherein the gas storage tank is internally provided with an odor monitoring and early warning device.
4. The gas drying and purifying apparatus of claim 1, further comprising a dust removing device, wherein the dust removing device is disposed between the dehydrator and the gas tank, and wherein the dust removing device is respectively connected to the dehydrator and the gas tank.
5. The gas drying and purifying apparatus of claim 4, wherein a molecular sieve filter tank is connected between the dust removing device and the gas storage tank, and the molecular sieve filter tank is used for filtering water.
6. The gas drying and purifying apparatus of claim 5, wherein the molecular sieve filter tank is provided with a humidity sensor.
7. The gas drying and purifying apparatus of claim 4, wherein an activated carbon filter tank is connected between the dust removing device and the gas storage tank.
8. The gas drying and purifying apparatus according to any one of claims 1 to 7, wherein a condenser pipe and a transformer are connected between the catalytic converter and the dehydrator.
9. A gas drying and purifying apparatus according to any one of claims 1 to 7, wherein the compressor is an oil-free compressor.
10. A dynamic odor dilution sniffing instrument comprising a gas drying and purifying apparatus according to any one of claims 1 to 9.
Priority Applications (1)
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CN202322292615.3U CN220696308U (en) | 2023-08-24 | 2023-08-24 | Gas drying and purifying device and odor dynamic dilution sniffing instrument |
Applications Claiming Priority (1)
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CN202322292615.3U CN220696308U (en) | 2023-08-24 | 2023-08-24 | Gas drying and purifying device and odor dynamic dilution sniffing instrument |
Publications (1)
Publication Number | Publication Date |
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CN220696308U true CN220696308U (en) | 2024-04-02 |
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CN202322292615.3U Active CN220696308U (en) | 2023-08-24 | 2023-08-24 | Gas drying and purifying device and odor dynamic dilution sniffing instrument |
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CN (1) | CN220696308U (en) |
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2023
- 2023-08-24 CN CN202322292615.3U patent/CN220696308U/en active Active
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