CN212262889U - Device for removing formaldehyde by using biological enzyme - Google Patents
Device for removing formaldehyde by using biological enzyme Download PDFInfo
- Publication number
- CN212262889U CN212262889U CN201821472445.XU CN201821472445U CN212262889U CN 212262889 U CN212262889 U CN 212262889U CN 201821472445 U CN201821472445 U CN 201821472445U CN 212262889 U CN212262889 U CN 212262889U
- Authority
- CN
- China
- Prior art keywords
- storage box
- formaldehyde
- pipe
- biological enzyme
- outer sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 102000004190 Enzymes Human genes 0.000 title claims abstract description 47
- 108090000790 Enzymes Proteins 0.000 title claims abstract description 47
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000284 extract Substances 0.000 abstract description 7
- 238000005086 pumping Methods 0.000 description 14
- 238000000605 extraction Methods 0.000 description 6
- 230000007774 longterm Effects 0.000 description 2
- 208000020401 Depressive disease Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 206010019837 Hepatocellular injury Diseases 0.000 description 1
- 206010019851 Hepatotoxicity Diseases 0.000 description 1
- 208000006083 Hypokinesia Diseases 0.000 description 1
- 208000007443 Neurasthenia Diseases 0.000 description 1
- 206010040026 Sensory disturbance Diseases 0.000 description 1
- 208000032140 Sleepiness Diseases 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000739 chronic poisoning Toxicity 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000002740 effect on eyes Effects 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 231100000304 hepatotoxicity Toxicity 0.000 description 1
- 230000007686 hepatotoxicity Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 231100000849 liver cell damage Toxicity 0.000 description 1
- 201000003102 mental depression Diseases 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
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000037321 sleepiness Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses an utilize biological enzyme to remove device of formaldehyde, including the storage box, the side lower extreme of storage box is equipped with four evenly distributed's truckle, and the right flank lower extreme of storage box is equipped with the discharging pipe, the discharge gate of discharging pipe is equipped with material feeding unit, the upper surface left end of storage box is equipped with the inlet pipe, the side of inlet pipe is equipped with manual valve, the upper surface right-hand member of storage box is equipped with the air duct, the inside of air duct is equipped with filters the core, the upper surface middle part of storage box is equipped with reaction unit, reaction unit's outer sleeve left surface upper end is equipped with air exhaust device. This utilize biological enzyme to remove device of formaldehyde, simple structure can remove, can extract and carry formaldehyde and biological enzyme to can make formaldehyde and biological enzyme fully contact reaction, thereby get rid of formaldehyde, can effectively improve the effect of getting rid of formaldehyde, shorten and remove formaldehyde cycle, convenient to use.
Description
Technical Field
The utility model relates to a remove formaldehyde technical field, specifically be an utilize biological enzyme to remove device of formaldehyde.
Background
Formaldehyde is also called as forminal, is colorless gas, has special pungent odor, has pungent effect on eyes, nose and the like, and causes headache, dizziness, hypodynamia, sensory disturbance and immunity reduction after long-term and low-concentration formaldehyde contact, and can cause sleepiness, hypomnesis or neurasthenia and mental depression; the harm of chronic poisoning to the respiratory system is also huge, the breathing dysfunction and hepatotoxicity pathological changes can be caused by long-term formaldehyde contact, the liver cell damage, liver radiation energy abnormity and the like are shown, formaldehyde can exist in a house after the new house decoration is completed, and the formaldehyde is removed mainly through ventilation in the prior art, so that indoor formaldehyde is discharged, but the formaldehyde removing mode is long in period and poor in formaldehyde removing effect.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide an utilize biological enzyme to remove device of formaldehyde, simple structure can remove, can extract and carry formaldehyde and biological enzyme to can make formaldehyde and biological enzyme fully contact reaction, thereby get rid of formaldehyde, can effectively improve getting rid of the effect of formaldehyde, shorten and remove the formaldehyde cycle, convenient to use can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a device for removing formaldehyde by using biological enzyme comprises a storage box, wherein the lower end of the side surface of the storage box is provided with four trundles which are uniformly distributed, the lower end of the right side surface of the storage box is provided with a discharge pipe, a discharge hole of the discharge pipe is provided with a feeding device, the left end of the upper surface of the storage box is provided with a feed pipe, the side surface of the feed pipe is provided with a manual valve, the right end of the upper surface of the storage box is provided with an air duct, the inside of the air duct is provided with a filter core, the middle part of the upper surface of the storage box is provided with a reaction device, the upper end of the left side surface of an outer sleeve of the reaction device is provided with an air extraction device, the lower end of the left side surface of the outer sleeve is connected with a fixed end of an electric telescopic rod, the input end of the electric telescopic rod is electrically connected with the output end of the switch group, and the output end of the switch group is electrically connected with the output end of an external power supply.
As a preferred technical scheme of the utility model, reaction unit includes the support frame, the lower surface of support frame and the upper surface middle part fixed connection of storage box, and the side upper end of support frame is equipped with the pivot, and the support frame rotates through the side middle part of pivot with the outer sleeve to be connected.
As a preferred technical scheme of the utility model, material feeding unit includes the pump, the side fixed connection of pump and storage box, and the feed inlet of pump is connected with the discharge gate of discharging pipe, and the discharge gate of pump is equipped with pipeline, pipeline's discharge gate is equipped with fixed pipe, pipeline's side lower extreme is equipped with the atomizer, and the input of pump is connected with the output electricity of switch block.
As a preferred technical scheme of the utility model, atomizer has five, and five atomizer distribute at the side lower extreme equidistance of fixed pipe, and atomizer is located the inside upside of outer sleeve.
As a preferred technical scheme of the utility model, air exhaust device includes elastic bellows, elastic bellows's right-hand member mouth of pipe is connected with the air inlet of outer sleeve left end, and elastic bellows's left end mouth of pipe is equipped with the funnel, the medial surface left end of funnel is equipped with air exhaust fan, and air exhaust fan's input is connected with the output electricity of switch block.
Compared with the prior art, the beneficial effects of the utility model are that: the device for removing formaldehyde by using the biological enzyme can ensure that the biological enzyme and the formaldehyde fully react, thereby removing the formaldehyde; the biological enzyme in the storage box can be pumped by the material pumping pump, and can be sprayed out in an atomizing way by the atomizing nozzle, so that the biological enzyme and formaldehyde can be in full contact reaction, and the formaldehyde removal effect is improved; formaldehyde and biological enzyme can be fully contacted, and the formaldehyde removal effect is improved; the indoor air can be extracted by an air extracting fan, so that the extraction and the transportation of the formaldehyde are facilitated; whole utilize biological enzyme to remove device of formaldehyde, simple structure can remove, can extract and carry formaldehyde and biological enzyme to can make formaldehyde and biological enzyme fully contact reaction, thereby get rid of formaldehyde, can effectively improve the effect of getting rid of formaldehyde, shorten and remove formaldehyde cycle, convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a storage box 1, a caster 2, a feed pipe 3, a manual valve 31, an air duct 4, a filter element 41, a reaction device 5, a support frame 51, a rotating shaft 52, an outer sleeve 53, a discharge pipe 6, a feed device 7, a material pumping pump 71, a conveying pipeline 72, a fixed pipe 73, an atomizing nozzle 74, an air pumping device 8, an elastic corrugated pipe 81, a funnel 82, an air pumping fan 83, an electric telescopic rod 9, a connecting plate 10 and a switch group 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a device for removing formaldehyde by using biological enzyme comprises a storage box 1, wherein four caster wheels 2 are uniformly distributed at the lower end of the side surface of the storage box 1, so that the storage box 1 can move, manpower is saved, a discharge pipe 6 is arranged at the lower end of the right side surface of the storage box 1, a feeding device 7 is arranged at a discharge port of the discharge pipe 6, the feeding device 7 comprises a pumping pump 71, the pumping pump 71 is fixedly connected with the side surface of the storage box 1, a feed port of the pumping pump 71 is connected with a discharge port of the discharge pipe 6, a conveying pipeline 72 is arranged at the discharge port of the pumping pump 71, a fixed pipe 73 is arranged at the discharge port of the conveying pipeline 72, an atomizing nozzle 74 is arranged at the lower end of the side surface of the conveying pipeline 72, the input end of the pumping pump 71 is electrically connected with the output end of a switch group 11, the biological enzyme in the storage box 1 can be pumped by the pumping pump 71, the formaldehyde removal effect is improved, the five atomizing spray heads 74 are arranged, the five atomizing spray heads 74 are distributed at the lower end of the side face of the fixed pipe 73 at equal intervals, the atomizing spray heads 74 are positioned at the upper side inside the outer sleeve 53, formaldehyde and biological enzymes can be fully contacted, the formaldehyde removal effect is improved, the operation of the material pumping pump 71 is controlled through the switch group 11, the biological enzymes inside the storage box 1 are pumped by the material pumping pump 71 through the discharge pipe 6, the biological enzymes are conveyed through the conveying pipe 72 and the fixed pipe 73, the biological enzymes are atomized and sprayed into the outer sleeve 53 by the atomizing spray heads 74, the feeding pipe 3 is arranged at the left end of the upper surface of the storage box 1, the conveying of external biological enzymes is convenient, the manual valve 31 is arranged at the side face of the feeding pipe 3, the vent pipe 4 is arranged at the right end of the upper surface of the storage box 1, the filter core 41 is arranged inside, the internal air pressure of the storage box 1 is convenient to stabilize, the middle part of the upper surface of the storage box 1 is provided with the reaction device 5, the reaction device 5 comprises a support frame 51, the lower surface of the support frame 51 is fixedly connected with the middle part of the upper surface of the storage box 1, the upper end of the side surface of the support frame 51 is provided with a rotating shaft 52, the support frame 51 is rotatably connected with the middle part of the side surface of an outer sleeve 53 through the rotating shaft 52, the biological enzyme can fully react with formaldehyde, so that the formaldehyde is removed, the upper end of the left side surface of the outer sleeve 53 of the reaction device 5 is provided with an air extraction device 8, the air extraction device 8 comprises an elastic corrugated pipe 81, the right end pipe orifice of the elastic corrugated pipe 81 is connected with the air inlet at the left end of the outer sleeve 53, the left end pipe orifice of the elastic corrugated pipe 81 is provided with a funnel 82, is convenient for the extraction and the transportation of formaldehyde, the work of the air exhaust fan 83 is controlled by the switch group 11, the air exhaust fan 83 exhausts the indoor air, and the air is transported to the inner part of the outer sleeve 53 through the elastic corrugated pipe 81, thereby causing the formaldehyde and the biological enzyme to contact and react in the inner part of the outer sleeve 53, meanwhile, the air is continuously transported, the air and the biological enzyme in the inner part of the outer sleeve 53 are exhausted, thereby continuously purifying the indoor air through the biological enzyme, the lower end of the left side surface of the outer sleeve 53 is connected with the fixed end of the electric telescopic rod 9, the telescopic end of the electric telescopic rod 9 is provided with the connecting plate 10, the upper end of the side surface of the connecting plate 10 is fixedly connected with the funnel 82 of the air exhaust device 8, the work of the electric telescopic rod 9 is controlled by the switch group 11, the electric telescopic rod 9 drives the funnel 82, the upper end of the side face of the storage box 1 is provided with a switch group 11, the input end of the electric telescopic rod 9 is electrically connected with the output end of the switch group 11, the output end of the switch group 11 is electrically connected with the output end of an external power supply, and the switch group 11 is provided with a control button corresponding to the material pumping pump 71, the air pumping fan 83 and the electric telescopic rod 9. Whole utilize biological enzyme to remove device of formaldehyde, simple structure can remove, can extract and carry formaldehyde and biological enzyme to can make formaldehyde and biological enzyme fully contact reaction, thereby get rid of formaldehyde, can effectively improve the effect of getting rid of formaldehyde, shorten and remove formaldehyde cycle, convenient to use.
When in use: the biological enzyme is conveyed into the storage box 1 through the material collecting pipe 3, the outer sleeve 53 is rotated around the rotating shaft 52, the outer sleeve 53 drives the electric telescopic rod 9 to incline, the electric telescopic rod 9 drives the funnel 82 to move through the connecting plate 10, thereby adjusting the position of the funnel 82, the electric telescopic rod 9 is controlled to work through the switch group 11, the electric telescopic rod 9 drives the funnel 82 to move through the connecting plate 10, the funnel 82 drives the air extracting fan 83 to move, the air extracting pump 71 and the air extracting fan 83 are controlled to work through the switch group 11, the air extracting pump 71 extracts the biological enzyme in the storage box 1 through the material discharging pipe 6 and conveys the biological enzyme through the conveying pipeline 72 and the fixed pipe 73, the biological enzyme is atomized and sprayed into the outer sleeve 53 by the atomizing nozzle 74, the air extracting fan 83 extracts the indoor air and conveys the air into the outer sleeve 53 through the elastic corrugated pipe 81, thereby leading the formaldehyde and the, meanwhile, in the process of continuously conveying the air, the air and the biological enzymes in the outer sleeve 53 are discharged, so that the indoor air is continuously purified by the biological enzymes.
The utility model can make the biological enzyme fully react with the formaldehyde, thereby removing the formaldehyde; the biological enzyme in the storage box 1 can be pumped by the pump 71 and can be sprayed out by the atomizing nozzle 74 in an atomizing manner, so that the biological enzyme and formaldehyde can be in full contact reaction, and the formaldehyde removal effect is improved; formaldehyde and biological enzyme can be fully contacted, and the formaldehyde removal effect is improved; the indoor air can be extracted by the air extracting fan 83, so that the extraction and the transportation of the formaldehyde are convenient; whole utilize biological enzyme to remove device of formaldehyde, simple structure can remove, can extract and carry formaldehyde and biological enzyme to can make formaldehyde and biological enzyme fully contact reaction, thereby get rid of formaldehyde, can effectively improve the effect of getting rid of formaldehyde, shorten and remove formaldehyde cycle, convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an utilize biological enzyme to remove device of formaldehyde, includes storage box (1), its characterized in that: the side lower extreme of storage box (1) is equipped with four evenly distributed's truckle (2), and the right flank lower extreme of storage box (1) is equipped with discharging pipe (6), the discharge gate of discharging pipe (6) is equipped with material feeding unit (7), the upper surface left end of storage box (1) is equipped with inlet pipe (3), the side of inlet pipe (3) is equipped with manual valve (31), the upper surface right-hand member of storage box (1) is equipped with air duct (4), the inside of air duct (4) is equipped with crosses filter core (41), the upper surface middle part of storage box (1) is equipped with reaction unit (5), outer sleeve (53) left surface upper end of reaction unit (5) is equipped with air exhaust device (8), and the left surface lower extreme of outer sleeve (53) is connected with the stiff end of electric telescopic handle (9), the flexible end of electric telescopic handle (9) is equipped with connecting plate (10), the side upper end of connecting plate (10) and funnel (82) fixed connection of air exhaust device (8), the side upper end of storage box (1) is equipped with switch group (11), the input of electric telescopic handle (9) is connected with the output electricity of switch group (11), and the output of switch group (11) is connected with external power source's output electricity.
2. The apparatus for removing formaldehyde using bio-enzyme according to claim 1, wherein: reaction unit (5) include support frame (51), the lower surface of support frame (51) and the upper surface middle part fixed connection of storage box (1), and the side upper end of support frame (51) is equipped with pivot (52), and support frame (51) are connected through the side middle part rotation of pivot (52) with outer sleeve (53).
3. The apparatus for removing formaldehyde using bio-enzyme according to claim 1, wherein: material feeding unit (7) are including drawing material pump (71), the side fixed connection of drawing material pump (71) and storage box (1), and the feed inlet of drawing material pump (71) is connected with the discharge gate of discharging pipe (6), and the discharge gate of drawing material pump (71) is equipped with pipeline (72), the discharge gate of pipeline (72) is equipped with fixed pipe (73), the side lower extreme of pipeline (72) is equipped with atomizer (74), and the input of drawing material pump (71) is connected with the output electricity of switch block (11).
4. The apparatus for removing formaldehyde using bio-enzyme according to claim 3, wherein: the number of the atomizing spray heads (74) is five, the five atomizing spray heads (74) are distributed at the lower end of the side face of the fixed pipe (73) at equal intervals, and the atomizing spray heads (74) are positioned on the upper side of the inner part of the outer sleeve (53).
5. The apparatus for removing formaldehyde using bio-enzyme according to claim 1, wherein: air exhaust device (8) are including elasticity bellows (81), the right-hand member mouth of pipe of elasticity bellows (81) is connected with the air inlet of outer sleeve (53) left end, and the left end mouth of pipe of elasticity bellows (81) is equipped with funnel (82), the medial surface left end of funnel (82) is equipped with air exhaust fan (83), and the input of air exhaust fan (83) is connected with the output electricity of switch block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821472445.XU CN212262889U (en) | 2018-09-10 | 2018-09-10 | Device for removing formaldehyde by using biological enzyme |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821472445.XU CN212262889U (en) | 2018-09-10 | 2018-09-10 | Device for removing formaldehyde by using biological enzyme |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212262889U true CN212262889U (en) | 2021-01-01 |
Family
ID=73871305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821472445.XU Expired - Fee Related CN212262889U (en) | 2018-09-10 | 2018-09-10 | Device for removing formaldehyde by using biological enzyme |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212262889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177766A (en) * | 2021-12-10 | 2022-03-15 | 四川中天之蓝科技有限公司 | Formaldehyde scavenger with multi-odor removing function, manufacturing method and scavenger |
-
2018
- 2018-09-10 CN CN201821472445.XU patent/CN212262889U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177766A (en) * | 2021-12-10 | 2022-03-15 | 四川中天之蓝科技有限公司 | Formaldehyde scavenger with multi-odor removing function, manufacturing method and scavenger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203518040U (en) | Air purifier with humidification function | |
| CN204395723U (en) | Active carbon can continuous adsorption regenerating unit | |
| CN205362037U (en) | Keyboard adsorbs cleaning device | |
| CN204193748U (en) | A kind of integrated apparatus administering printing, advertising organic exhaust gas | |
| CN206343284U (en) | A kind of energy-efficient plasma smoke and dust purifier | |
| CN212262889U (en) | Device for removing formaldehyde by using biological enzyme | |
| CN205627476U (en) | Dedicated tail gas waste heat recovery processing apparatus of printing -dyeing textile | |
| CN207167735U (en) | A kind of filter suitable for tobacco leaf moisting machine humidity discharging airduct | |
| CN203657134U (en) | Dedusting humidifier | |
| CN204635038U (en) | A kind of mushroom drying unit | |
| CN207962980U (en) | A kind of efficient haze processing unit of bionic nasal cavity structure | |
| CN206264089U (en) | A kind of bamboo wood board cutting machine with dust collection function | |
| CN210241867U (en) | Air ultrasonic anion humidifier convenient to dismantle and clean | |
| CN208642291U (en) | A kind of novel exhaust gas cleaner | |
| CN203315955U (en) | Dust filter fan | |
| CN214513576U (en) | Multistage filter equipment is used in exhaust-gas treatment for chemical plant | |
| CN202774091U (en) | Collection and cyclic utilization device for tobacco aroma | |
| CN214178528U (en) | Breed special constant humidity heat recovery fresh air ventilator | |
| CN209271031U (en) | A kind of energy conservation coal mine negative pressure dust removing device | |
| CN104226053A (en) | Dust filtering fan | |
| CN203842448U (en) | Wet type dust remover | |
| CN210055874U (en) | Dust collector for household carpet | |
| CN209069024U (en) | A kind of kiln hood waste gas purification apparatus | |
| CN210544157U (en) | Water tank of dust removal system | |
| CN221629956U (en) | Humidification type oxygenerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |