CN114279040A - Novel high-efficient amino acid removes air purifier of formaldehyde - Google Patents
Novel high-efficient amino acid removes air purifier of formaldehyde Download PDFInfo
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- CN114279040A CN114279040A CN202111683010.6A CN202111683010A CN114279040A CN 114279040 A CN114279040 A CN 114279040A CN 202111683010 A CN202111683010 A CN 202111683010A CN 114279040 A CN114279040 A CN 114279040A
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Abstract
The invention discloses a novel efficient air purifier for removing formaldehyde from amino acid, which comprises a shell, a filter element and a first atomization device, wherein the shell is provided with an air inlet, an air outlet and an air flow channel; the filter element is arranged in the shell and comprises a first channel, a second channel and a purification structure, wherein the first channel and the second channel are sequentially sleeved from inside to outside, the first channel is communicated with the air inlet and the airflow channel, the second channel is communicated with the air outlet and the airflow channel, the purification structure is respectively arranged in the first channel and the second channel and comprises activated carbon, amino acid reactant is distributed on the inner micropore surface of the activated carbon, and the amino acid reactant is used for purifying formaldehyde in the airflow channel; the first atomizing means is disposed within the gas flow passage for providing droplets of an amino acid-containing reactant. The formaldehyde passes through the first channel, the airflow channel and the second channel in sequence, multiple purification is achieved, the purification effect is good, and the products after reaction are non-toxic and odorless.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a novel efficient air purifier for removing formaldehyde by amino acid.
Background
The formaldehyde in life is widely available, such as furniture, detergents, coatings and the like, the formaldehyde releasing period of the formaldehyde releasing agent reaches several years, and if the formaldehyde concentration in indoor air is high, the formaldehyde is rapidly absorbed by cells when entering respiratory tracts, stimulates the respiratory tracts, causes discomfort to human bodies, even causes cancer after being contacted for a long time, and harms human health.
Disclosure of Invention
The invention mainly aims to provide a novel efficient air purifier for removing formaldehyde from amino acid, and aims to solve the problems that the concentration of formaldehyde in indoor air is high and the human health is harmed at present.
In order to achieve the purpose, the invention provides a novel high-efficiency air purifier for removing formaldehyde from amino acid, which comprises:
a housing provided with an air inlet, an air outlet and an air flow passage;
the filter element is arranged in the shell and comprises a first channel, a second channel and a purification structure, wherein the first channel and the second channel are sequentially sleeved from inside to outside, the first channel is communicated with the air inlet and the airflow channel, the second channel is communicated with the air outlet and the airflow channel, the purification structure is respectively arranged in the first channel and the second channel and comprises activated carbon, amino acid reactant is distributed on the inner micropore surface of the activated carbon, and the amino acid reactant is used for purifying formaldehyde in the airflow channel; and the number of the first and second groups,
a first atomizing means disposed within the gas flow channel for providing droplets of an amino acid-containing reactant.
Optionally, the filter element further comprises a third channel, and the third channel is communicated with the first channel and the air outlet so as to discharge at least part of the air flow purified by the first channel from the air outlet.
Optionally, the novel air purifier for removing formaldehyde from high-efficiency amino acid further comprises an air valve and a controller, wherein the air valve is electrically connected with the controller, the air valve is arranged at the joint of the first channel and the third channel, and/or the air valve is arranged at the joint of the first channel and the airflow channel.
Optionally, the second passage has an exhaust port, and an exhaust passage is further provided in the housing, and the exhaust passage communicates the exhaust port and the air outlet;
novel air purifier that high-efficient amino acid removed formaldehyde still includes second atomizing device, second atomizing device locates in the exhaust passage.
Optionally, the novel efficient air purifier for removing formaldehyde from amino acid further comprises an end cover and a first driving mechanism, the end cover is rotatably mounted on the shell along an up-down axis, an air inlet of the shell is formed in the periphery of the shell, an air outlet of the shell is formed in the upper end of the shell, an air outlet channel communicated with the air outlet is formed in the periphery of the end cover, and the first driving mechanism is used for driving the end cover to rotate so as to adjust the orientation of the air outlet;
novel high-efficient amino acid removes air purifier of formaldehyde still includes the nozzle, the nozzle intercommunication the gas outlet, the nozzle can overturn from top to bottom, in order to adjust the orientation of gas outlet, a actuating mechanism drive the nozzle upset is in order to adjust the air current discharge the direction of gas outlet.
Optionally, the second channel has an air inlet, and the filter element further includes an adsorption structure covering the air inlet for adsorbing droplets of the amino acid-containing reactant in the air flow entering the air inlet through the air flow channel.
Optionally, the gas flow passage is flared in a direction towards the gas inlet.
Optionally, the absorbent structure comprises a sponge.
Optionally, the novel efficient air purifier for removing formaldehyde from amino acid further comprises a formaldehyde detection device, wherein the formaldehyde detection device is arranged close to the air inlet;
novel air purifier that high-efficient amino acid removed formaldehyde still includes base and second actuating mechanism, the casing along the rotation of the decurrent axis install in the base, the drive of second actuating mechanism the casing rotates, in order to adjust the orientation of air inlet.
Optionally, the second driving mechanism includes a motor, a worm wheel and a worm, the worm wheel is disposed at the center of the lower end of the housing, the worm is rotatably mounted on the base and connected to an output shaft of the motor, and the worm is perpendicular to a rotation axis of the worm wheel and meshed with the worm wheel.
According to the technical scheme, the purification structure comprises activated carbon, amino acid reactants are distributed on the inner micropore surface of the activated carbon, formaldehyde and the amino acid reactants are mixed and react to generate a stable substance, and the substance is non-toxic, odorless and environment-friendly. And the formaldehyde-containing gas flows into the first channel from the gas inlet, the purifying structure in the first channel purifies the formaldehyde gas to complete primary purification, then the gas flow enters the gas flow channel, the first atomizing device in the gas flow channel ejects atomized droplets of the amino acid-containing reactant, the droplets are mixed with the gas flow to complete secondary purification, then the gas flow carries part of the droplets of the amino acid-containing reactant to enter the second channel and is purified again by the purifying structure in the second channel to complete tertiary purification, and part of the droplets of the amino acid-containing reactant can remain in the second channel, so that the droplets of the amino acid-containing reactant ejected by the first atomizing device are fully utilized, and the amino acid reactant in the activated carbon is prevented from being consumed too fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the novel efficient air purifier for removing formaldehyde from amino acid provided by the invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The formaldehyde in life is widely available, such as furniture, detergents, coatings and the like, the formaldehyde releasing period of the formaldehyde releasing agent reaches several years, and if the formaldehyde concentration in indoor air is high, the formaldehyde is rapidly absorbed by cells when entering respiratory tracts, stimulates the respiratory tracts, causes discomfort to human bodies, even causes cancer after being contacted for a long time, and harms human health.
In view of the above, the invention provides a novel efficient air purifier for removing formaldehyde from amino acid. Fig. 1 is an embodiment of a novel efficient air purifier for removing formaldehyde from amino acid provided by the invention.
Referring to fig. 1, the novel efficient amino acid formaldehyde removal air purifier 100 includes a housing 1, a filter element 2, and a first atomization device 3, wherein the housing 1 is provided with an air inlet 11, an air outlet 12, and an air flow channel 13; the filter element 2 is arranged in the shell 1, the filter element 2 comprises a first channel 21, a second channel 22 and a purification structure, the first channel 21 and the second channel 22 are sequentially sleeved from inside to outside, the first channel 21 is communicated with the air inlet 11 and the airflow channel 13, the second channel 22 is communicated with the air outlet 12 and the airflow channel 13, the purification structure is respectively arranged in the first channel 21 and the second channel 22 and comprises activated carbon, amino acid reactants are distributed on the inner micropore surface of the activated carbon, and the amino acid reactants are used for purifying formaldehyde in the airflow channel 13; the first atomizing means 3 is provided in the gas flow channel 13 for providing droplets of an amino acid-containing reactant.
According to the technical scheme, the purification structure comprises activated carbon, amino acid reactants are distributed on the inner micropore surface of the activated carbon, formaldehyde and the amino acid reactants are mixed and react to generate a stable substance, and the substance is non-toxic, odorless and environment-friendly. The formaldehyde-containing gas flows into the first channel 21 from the gas inlet 11, the formaldehyde gas is purified by the purification structure in the first channel 21 to complete primary purification, then the gas flow enters the gas flow channel 13, the first atomization device 3 in the gas flow channel 13 sprays atomized droplets of the amino acid-containing reactant, the droplets are mixed with the gas flow to complete secondary purification, then the gas flow carries part of the droplets of the amino acid-containing reactant to enter the second channel 22 to be purified again by the purification structure in the second channel 22 to complete third purification, and part of the droplets of the amino acid-containing reactant can remain in the second channel 22, the droplets of the amino acid-containing reactant sprayed by the first atomization device 3 are fully utilized, and the amino acid reactant in the activated carbon is prevented from being consumed too fast.
In addition, the filter element 2 and the filter element 2 further include a third channel 23, the third channel 23 is communicated with the first channel 21 and the air outlet 12, so that at least part of the air flow purified by the first channel 21 is discharged from the air outlet 12, the purified air is rapidly discharged, when the indoor formaldehyde concentration is high, part of air is rapidly discharged through the third channel 23, the formaldehyde concentration in the indoor air is rapidly reduced, meanwhile, the rest part of air sequentially enters the air flow channel 13 and the second channel 22, and formaldehyde is thoroughly purified and absorbed, and therefore the indoor formaldehyde concentration can be rapidly reduced.
Further, the novel air purifier 100 for removing formaldehyde from high-efficiency amino acid further comprises an air valve 5 and a controller, wherein the air valve 5 is electrically connected with the controller, the air valve 5 is arranged at the joint of the first channel 21 and the third channel 23, and the air flow speed flowing into the third channel 23 from the first channel 21 is adjusted through the air valve 5.
Of course, the gas valve 5 may be provided at the junction of the first passage 21 and the gas flow passage 13, and the gas flow rate from the first passage 21 into the gas flow passage 13 is adjusted by the gas valve 5 so as to be sufficiently mixed with the droplets of the amino acid-containing reactant ejected from the first atomizer 3.
In the above two technical features, the air valve 5 is disposed at the junction between the first channel 21 and the third channel 23, and the air valve 5 is disposed at the junction between the first channel 21 and the air flow channel 13, and may be disposed either one of them or both of them, in this embodiment, the effect of the simultaneous setting is better, the direction of the air flow from the air inlet 11 to the air outlet 12 can be adjusted by the on-off of the air valve 5, for example, the air valve 5 disposed at the junction between the first channel 21 and the third channel 23 is named as a first air valve, the air valve 5 disposed at the junction between the first channel 21 and the air flow channel 13 is named as a second air valve, when the first air valve is opened and the second air valve is closed, the air containing formaldehyde sequentially passes through the air inlet 11, the first channel 21, the third channel 23 and the air outlet 12, the process has two times of air purification; when the first air valve is closed and the second air valve is opened, the formaldehyde-containing air passes through the air inlet 11, the first channel 21, the air flow channel 13, the second channel 22 and the air outlet 12 in sequence, and the air is purified for three times in the process; when the first air valve and the second air valve are both opened, the air containing formaldehyde is divided after the first channel 21 is purified, wherein one air flow sequentially passes through the third channel 23, and the other air flow sequentially passes through the air flow channel 13 and the second channel 22, which can be understood as twice purification and three times purification of one part of the air. That is, different purging modes can be selected by opening or closing the first and second gas valves.
In addition, whether the purification structure in the second channel 22 is failed or not can be determined by the on-off of the two air valves 5, when the first atomization device 3 is not in operation, the first air valve is opened, when the second air valve is closed, the formaldehyde concentration at the air outlet 12 is a first concentration, the first air valve is closed, when the second air valve is opened, the formaldehyde concentration at the air outlet 12 is a second concentration, and when the first concentration is approximately equal to the second concentration, the purification structure in the second channel 22 is failed. If it is desired to detect whether the purification structure of the first channel 21 is invalid, the first air valve is opened, the second air valve is closed, and then the concentrations of formaldehyde in the air inlet 11 and the air outlet 12 are compared, and if the concentrations of formaldehyde are approximately equal, the purification structure of the first channel 21 is invalid.
In an embodiment of the present invention, the second channel 22 has an exhaust port 222, and the housing 1 further has an exhaust channel 14 therein, wherein the exhaust channel 14 communicates the exhaust port 222 with the air outlet 12; the novel efficient amino acid formaldehyde air purifier 100 further comprises a second atomization device 4, the second atomization device 4 is arranged in the exhaust passage 14, and through the second atomization device 4, if droplets containing amino acid reactants are sprayed out of the second atomization device 4, airflow to be discharged from the air outlet 12 can be purified again, and the droplets containing the amino acid reactants are sprayed out of the air outlet 12 to the outside of the shell 1, so that air outside the shell 1 is purified.
It should be noted that, the substance contained in the liquid droplets ejected by the second atomization device 4 is not limited, and may also be an air freshener, so as to improve the air quality and improve the comfort of people.
Further, novel air purifier 100 that high-efficient amino acid removed formaldehyde still includes end cover 6 and a drive mechanism, end cover 6 along the rotation of the decurrent axis install in casing 1, the air inlet 11 of casing 1 is located casing 1's week side, casing 1's gas outlet 12 is located casing 1's upper end, the week side of end cover 6 is equipped with the intercommunication air outlet channel 61 of gas outlet 12, a drive mechanism is used for the drive end cover 6 rotates, in order to adjust the orientation of gas outlet 12 makes second atomizing device 4 spun liquid drop can omnidirectional blowout, improves indoor air quality.
In addition, novel air purifier 100 that high-efficient amino acid removed formaldehyde still includes the nozzle (not shown in the figure), the nozzle intercommunication gas outlet 12, the nozzle can overturn from top to bottom to the adjustment the orientation of gas outlet 12, first actuating mechanism drive the nozzle upset is in order to adjust the air current discharge the direction of gas outlet 12 makes second atomizing device 4 spun liquid drop can omnidirectional blowout, improves indoor air quality.
The specific implementation of the first driving mechanism is not limited, for example, the end cover 6 and the housing 1 are driven to rotate relatively, which can be realized by a motor 81, a worm wheel 82 and a worm 83, the motor 81 is coaxially connected with the worm 83, the worm wheel 82 is meshed with the worm 83, the motor 81 and the worm 83 are arranged on the housing 1, and the worm wheel 82 is fixedly connected with the end cover 6; the motor 81, the gear and the gear ring can be used for realizing the purpose, the gear ring is arranged at the lower end of the end cover 6, the gear sleeve is arranged on an output shaft of the motor 81, the gear is meshed with the gear ring, the output shaft of the motor 81 rotates, and the gear transmits power to the gear ring.
In order to fully utilize the droplets of the amino acid-containing reactant ejected from the first atomizer 3, in this embodiment, the second channel 22 has an air inlet 221, and the filter element 2 further includes an adsorption structure 24, wherein the adsorption structure 24 is disposed at the air inlet 221 in a manner covering the air inlet 221, and is used for adsorbing the droplets of the amino acid-containing reactant in the air flow entering the air inlet 221 through the air flow channel 13, and absorbing the droplets of the amino acid-containing reactant in the air flow when the air flow passes through the adsorption structure 24.
Further, the gas flow channel 13 is flared in the direction close to the gas inlet 221 to reduce the gas flow velocity and to enable the liquid droplets to be uniformly distributed with the adsorption structure 24.
It should be noted that the present invention does not limit the specific embodiment of the adsorption structure 24, and as long as it can absorb the droplets of the reactant containing amino acid and allow air to pass through, it is within the protection scope of the present invention, and in an embodiment of the present invention, the adsorption structure 24 comprises a sponge, which is low in cost.
The shape of the sponge is not limited in the present invention, in an embodiment of the present invention, the bottom center of the sponge is hollow (not shown in the figure), the edge of the lower end of the sponge is connected to the inner side wall of the second channel 22, the air flow enters from the upper end of the sponge, the sponge absorbs the liquid drops, the liquid drops enter the edge of the lower end of the sponge under the action of gravity, and the second channel 22 is provided with an accommodating groove corresponding to the lower end of the edge to store the redundant liquid drops.
In the present invention, the novel efficient air purifier 100 for removing formaldehyde from amino acid further comprises a formaldehyde detection device, wherein the formaldehyde detection device is disposed near the air inlet 11; novel air purifier 100 that high-efficient amino acid removed formaldehyde still includes base 7 and second actuating mechanism 8, casing 1 along the rotation of the decurrent axis install in base 7, the drive of second actuating mechanism 8 casing 1 rotates, in order to adjust the orientation of air inlet 11, through formaldehyde detection device confirms the higher place of formaldehyde concentration in the air, makes air inlet 11 sets up towards the higher place of formaldehyde concentration.
It should be noted that, the present invention does not limit the specific embodiment of the second driving mechanism 8, and referring to fig. 1, in this embodiment, the second driving mechanism 8 includes a motor 81, a worm wheel 82, and a worm 83, the worm wheel 82 is disposed at the center of the lower end of the housing 1, the worm 83 is rotatably mounted on the base 7 and connected to an output shaft of the motor 81, and the worm 83 is perpendicular to the rotation axis of the worm wheel 82 and meshed with the worm wheel 82, so that the structure is simple.
In order to facilitate air purification with high indoor formaldehyde concentration, the lower end of the shell 1 is provided with a roller and a third driving mechanism, the third driving mechanism drives the roller to rotate, the controller in the novel high-efficiency amino acid formaldehyde removing air purifier 100 is electrically connected with the third driving mechanism, so that the novel high-efficiency amino acid formaldehyde removing air purifier 100 moves towards a place with high formaldehyde concentration, and droplets containing an amino acid reactant can be sprayed to the area through the second atomization device 4.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a novel high-efficient amino acid removes air purifier of formaldehyde which characterized in that includes:
a housing provided with an air inlet, an air outlet and an air flow passage;
the filter element is arranged in the shell and comprises a first channel, a second channel and a purification structure, wherein the first channel and the second channel are sequentially sleeved from inside to outside, the first channel is communicated with the air inlet and the airflow channel, the second channel is communicated with the air outlet and the airflow channel, the purification structure is respectively arranged in the first channel and the second channel and comprises activated carbon, amino acid reactant is distributed on the inner micropore surface of the activated carbon, and the amino acid reactant is used for purifying formaldehyde in the airflow channel; and the number of the first and second groups,
a first atomizing means disposed within the gas flow channel for providing droplets of an amino acid-containing reactant.
2. The novel air purifier for removing formaldehyde from amino acid as claimed in claim 1, wherein the filter element further comprises a third channel, the third channel connects the first channel and the air outlet, so that at least a part of the air flow purified by the first channel is discharged from the air outlet.
3. The novel air purifier for removing formaldehyde from amino acid according to claim 2, further comprising an air valve and a controller, wherein the air valve is electrically connected to the controller and disposed at the junction of the first channel and the third channel, and/or disposed at the junction of the first channel and the airflow channel.
4. The novel air purifier for removing formaldehyde from amino acid as claimed in claim 2, wherein the second channel has an exhaust port, and an exhaust channel is further provided in the housing, the exhaust channel communicating the exhaust port and the exhaust port;
novel air purifier that high-efficient amino acid removed formaldehyde still includes second atomizing device, second atomizing device locates in the exhaust passage.
5. The novel air purifier for removing formaldehyde from amino acid according to claim 4, further comprising an end cap and a first driving mechanism, wherein the end cap is rotatably mounted on the housing along a vertical axis, the air inlet of the housing is disposed on the periphery of the housing, the air outlet of the housing is disposed on the upper end of the housing, the periphery of the end cap is provided with an air outlet channel communicated with the air outlet, and the first driving mechanism is used for driving the end cap to rotate to adjust the orientation of the air outlet;
novel high-efficient amino acid removes air purifier of formaldehyde still includes the nozzle, the nozzle intercommunication the gas outlet, the nozzle can overturn from top to bottom, in order to adjust the orientation of gas outlet, a actuating mechanism drive the nozzle upset is in order to adjust the air current discharge the direction of gas outlet.
6. The novel air purifier for removing formaldehyde from amino acid as claimed in claim 1, wherein the second channel has an air inlet, and the filter element further comprises an adsorption structure covering the air inlet for adsorbing the droplets of the reactant containing amino acid in the air stream entering the air inlet through the air flow channel.
7. The novel air purifier for removing formaldehyde from amino acid as claimed in claim 6, wherein the air flow channel is flared in the direction close to the air inlet.
8. The novel air purifier for removing formaldehyde by using amino acid as claimed in claim 6, wherein the adsorption structure comprises sponge.
9. The novel air purifier for removing formaldehyde by using amino acid as claimed in claim 1, further comprising a formaldehyde detection device disposed near the air inlet;
novel air purifier that high-efficient amino acid removed formaldehyde still includes base and second actuating mechanism, the casing along the rotation of the decurrent axis install in the base, the drive of second actuating mechanism the casing rotates, in order to adjust the orientation of air inlet.
10. The novel air purifier for removing formaldehyde from amino acid as claimed in claim 9, wherein the second driving mechanism comprises a motor, a worm wheel and a worm, the worm wheel is disposed at the center of the lower end of the housing, the worm is rotatably mounted on the base and connected to the output shaft of the motor, and the worm is perpendicular to the rotation axis of the worm wheel and engaged with the worm wheel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111683010.6A CN114279040B (en) | 2021-12-31 | 2021-12-31 | Air purifier for removing formaldehyde from amino acid |
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| CN202111683010.6A CN114279040B (en) | 2021-12-31 | 2021-12-31 | Air purifier for removing formaldehyde from amino acid |
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| JP2005000637A (en) * | 2003-05-21 | 2005-01-06 | Aisin Seiki Co Ltd | Indoor environmental air purifier and method for assembling indoor environmental air purifier |
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| CN107435999A (en) * | 2017-09-12 | 2017-12-05 | 陈刚 | A kind of Multifunctional air clarifying device |
| CN107511054A (en) * | 2017-10-25 | 2017-12-26 | 华北电力大学（保定） | A kind of room air multi-pollutant purifier |
| CN207975755U (en) * | 2018-02-06 | 2018-10-16 | 广东美的白色家电技术创新中心有限公司 | Except formaldehyde air purifier |
| WO2019015117A1 (en) * | 2017-07-19 | 2019-01-24 | 广东美的制冷设备有限公司 | Purifying dehumidifier |
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2021
- 2021-12-31 CN CN202111683010.6A patent/CN114279040B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005000637A (en) * | 2003-05-21 | 2005-01-06 | Aisin Seiki Co Ltd | Indoor environmental air purifier and method for assembling indoor environmental air purifier |
| CN206535398U (en) * | 2017-03-02 | 2017-10-03 | 西南石油大学 | Intelligent formaldehyde absorbing vehicle of sterilization |
| WO2019015117A1 (en) * | 2017-07-19 | 2019-01-24 | 广东美的制冷设备有限公司 | Purifying dehumidifier |
| CN107435999A (en) * | 2017-09-12 | 2017-12-05 | 陈刚 | A kind of Multifunctional air clarifying device |
| CN107511054A (en) * | 2017-10-25 | 2017-12-26 | 华北电力大学（保定） | A kind of room air multi-pollutant purifier |
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