CN220781742U - Environmental ventilation device for laboratory - Google Patents
Environmental ventilation device for laboratory Download PDFInfo
- Publication number
- CN220781742U CN220781742U CN202322464511.6U CN202322464511U CN220781742U CN 220781742 U CN220781742 U CN 220781742U CN 202322464511 U CN202322464511 U CN 202322464511U CN 220781742 U CN220781742 U CN 220781742U
- Authority
- CN
- China
- Prior art keywords
- cavity
- laboratory
- ventilation
- purifying
- chamber
- 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.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 54
- 230000007613 environmental effect Effects 0.000 title claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 30
- 239000003517 fume Substances 0.000 claims description 25
- 238000000746 purification Methods 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 9
- 229910052799 carbon Inorganic materials 0.000 description 14
- 238000001914 filtration Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Ventilation (AREA)
Abstract
The utility model provides an environment ventilation device for a laboratory, which comprises a ventilation cabinet and an operation cavity, wherein the operation cavity is arranged at the upper part of the ventilation cabinet, the front side of the operation cavity is provided with a lifting type observation window, the top of the ventilation cabinet is provided with a through hole, the upper part of the through hole is provided with a purifying box, the purifying box is fixedly arranged on the top surface of the ventilation cabinet, the purifying cavity in the purifying box is communicated with the through hole and the operation cavity, a circulating ventilation mechanism is arranged in the purifying cavity, one side of the purifying box is provided with a dismounting mechanism which is convenient for dismounting and replacing the circulating ventilation mechanism, and the utility model realizes dismounting and replacing the activated carbon filter plate in the circulating ventilation mechanism conveniently and regularly, thereby improving the purifying effect of the circulating ventilation mechanism and the convenience of dismounting and mounting.
Description
Technical Field
The utility model relates to the technical field of ventilation, in particular to an environment ventilation device for a laboratory.
Background
Among the components of laboratory, the fume chamber is indispensable important component in the laboratory, and the experiment that carries out in the laboratory shifts gradually in the fume chamber, in order to reduce the concentration of harmful gas in the laboratory, reduces the injury to laboratory personnel's health, should have good ventilation in the laboratory, uses the fume chamber to ventilate generally, realizes keeping the clean environment of laboratory originally.
The prior art discloses a novel fume chamber device (publication number: CN 205815324U) for physicochemical detection environment, including fume chamber and inhale the sound and fall the case of making an uproar, the top of fume chamber is linked together with inhale the sound and fall the case of making an uproar one side of making an uproar through the gas-supply pipe, and one side of fume chamber is linked together with inhale the sound and fall the case of making an uproar one side through the guide duct, inhale the sound and fall the bottom of the case inner chamber of making an uproar and be connected with a rest and air extraction motor respectively from right to left. The utility model can effectively filter and purify the polluted air in the physical and chemical laboratory, improve the air quality in the physical and chemical laboratory, realize the recycling of the air and keep the original clean environment in the physical and chemical laboratory.
However, the above technical solution has the following drawbacks in the prior art: the device utilizes purifying mechanism to realize filtering purification to the air in laboratory in the use, in purifying mechanism at long-term use, need regularly dismantle clearance or change to active carbon filter layer and filter screen to better assurance filtration purifying effect, however, the device active carbon filter layer and filter screen locate the purifying box in, then the purifying box sets up in inhaling the noise reduction case protector, makes the in-process that dismantles clearance or change to active carbon filter layer and filter screen cause inconvenience, thereby reduces dismouting efficiency and convenience.
Disclosure of Invention
The present utility model aims to provide an environmental ventilation device for laboratory, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an environment ventilation unit for laboratory, includes fume chamber and operation chamber, the operation chamber sets up on the upper portion of fume chamber, and the front side of operation chamber is provided with the over-and-under type observation window, the opening has been seted up at the top of fume chamber, the upper portion of opening is provided with the purifying box, purifying box fixed mounting is in the top surface of fume chamber, and the inside purifying chamber of purifying box is linked together with opening and operation chamber, the inside of purifying chamber is provided with circulation ventilation mechanism, one side of purifying box is provided with the dismouting mechanism of conveniently dismantling the change to circulation ventilation mechanism.
Preferably, the circulating ventilation mechanism comprises an exhaust fan, an air suction pipe, a blower, a negative ion generator and an activated carbon filter plate, wherein the activated carbon filter plate is arranged in the purifying cavity, the blower and the negative ion generator are arranged on the upper part of the activated carbon filter plate, the purifying cavity is fixedly connected with an air inlet of the exhaust fan through the air suction pipe arranged on the top surface of the purifying cavity, and the exhaust fan is fixedly arranged on the top surface of the purifying box.
Preferably, the circulating ventilation mechanism further comprises an air outlet pipe, an annular cavity, a mounting port and a second filter screen, one end of the air outlet pipe is fixedly connected with the air outlet of the exhaust fan, the other end of the air outlet pipe is communicated with the annular cavity, the annular cavity is formed in the upper frame of the ventilation cabinet, the mounting port is symmetrically arranged on two sides of the operation cavity, the mounting port is communicated with the annular cavity, and the outer side of the outer frame of the second filter screen is in threaded connection with the mounting port.
Preferably, the disassembly and assembly mechanism comprises a mounting groove, a sealing cavity, a clamping groove, a sealing ring, a sealing plate and a first screw, wherein the sealing cavity is arranged on one side of the purifying cavity, the mounting groove is formed in the inner side of the purifying cavity, the mounting groove is matched with the activated carbon filter plate, the clamping groove is formed in the inner side of the sealing cavity, the clamping groove is matched with the sealing ring, and the sealing plate is fixedly connected with the sealing cavity through the first screw.
Preferably, the bottom of the through hole is provided with a top plate through a second screw, the top plate is arranged on the top surface of the operation cavity, a first filter screen is arranged between the top plate and the through hole, and a plurality of ventilation openings are formed in the top plate.
Preferably, the bottom of over-and-under type observation window is provided with the handle, and is provided with isolation glove on the over-and-under type observation window, the both sides of over-and-under type observation window are provided with the rack, the meshing is connected between rack and the gear, gear fixed mounting is in the department placed in the middle of bracing piece, and the both ends rotation of bracing piece set up inside the top of supporting seat, supporting seat fixed mounting is in the top surface both sides of fume chamber.
Preferably, a first chute is formed in the front side of the operation cavity, the first chute is slidably connected with two sides of the lifting type observation window, a second chute is formed in the middle of the first chute, and the second chute is slidably connected with the rack.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model discloses a set up circulation ventilation mechanism on the fume chamber, can carry out effective filtration and purification with the dirty air in the laboratory, reduced the content of harmful substance in the laboratory air by a wide margin, improve the air quality in the laboratory, realized the cyclic utilization of air.
2. The utility model discloses a set up dismouting mechanism, realize carrying out the dismouting to the active carbon filter among the circulation ventilation mechanism, conveniently regularly dismantle the change to the active carbon filter, improve circulation ventilation mechanism's purifying effect and the convenience of dismouting.
Drawings
FIG. 1 is a schematic view of the whole structure of the present utility model
FIG. 2 is a schematic cross-sectional front view of the fume hood of the present utility model;
FIG. 3 is a schematic view of the assembly and disassembly mechanism according to the present utility model;
FIG. 4 is a schematic view of the internal tip structure of the operating chamber of the present utility model;
FIG. 5 is a schematic view of the top portion of the fume hood of the present utility model;
fig. 6 is a schematic view of a lifting type observation window part structure of the utility model.
In the figure: 1. a fume hood; 2. an operating chamber; 3. lifting type observation window; 4. a handle; 5. an isolation glove; 6. a rack; 7. a gear; 8. a support rod; 9. a support base; 10. a first chute; 11. a second chute; 12. a purifying box; 13. an exhaust fan; 14. an air suction pipe; 15. a purification chamber; 16. a blower; 17. a negative ion generator; 18. an activated carbon filter plate; 19. a mounting groove; 20. sealing the cavity; 21. a clamping groove; 22. a seal ring; 23. a sealing plate; 24. a first screw; 25. a through port; 26. a first filter screen; 27. a top plate; 28. a vent; 29. a second screw; 30. an air outlet pipe; 31. an annular cavity; 32. a mounting port; 33. and a second filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution:
embodiment one:
the utility model provides an environment ventilation device for laboratory, including fume chamber 1 and operating chamber 2, operating chamber 2 is used for experimental operation, operating chamber 2 sets up the upper portion at fume chamber 1, and operating chamber 2's front side is provided with over-and-under type observation window 3, vent 25 has been seted up at the top of fume chamber 1, the upper portion of vent 25 is provided with purifying box 12, purifying box 12 fixed mounting is in the top surface of fume chamber 1, and purifying chamber 15 and vent 25 and operating chamber 2 of purifying box 12 inside are linked together, purifying chamber 15's inside is provided with circulation ventilation mechanism, one side of purifying box 12 is provided with the dismouting mechanism that conveniently dismantle the change to circulation ventilation mechanism.
The circulating ventilation mechanism comprises an exhaust fan 13, an air suction pipe 14, a blower 16, a negative ion generator 17 and an activated carbon filter plate 18, wherein the activated carbon filter plate 18 is arranged in the purifying cavity 15, the blower 16 and the negative ion generator 17 are arranged on the upper portion of the activated carbon filter plate 18, the purifying cavity 15 is fixedly connected with an air inlet of the exhaust fan 13 through the air suction pipe 14 arranged on the top surface of the purifying cavity 15, the exhaust fan 13 is fixedly arranged on the top surface of the purifying box 12, the circulating ventilation mechanism further comprises an air outlet pipe 30, an annular cavity 31, an installation opening 32 and a second filter screen 33, one end of the air outlet pipe 30 is fixedly connected with an air outlet of the exhaust fan 13, the other end of the air outlet pipe 30 is communicated with the annular cavity 31, the annular cavity 31 is arranged in the upper frame of the ventilating cabinet 1, the installation opening 32 is symmetrically arranged on two sides of the operating cavity 2, the installation opening 32 is communicated with the annular cavity 31, and the outer side of an outer frame of the second filter screen 33 is in threaded connection with the installation opening 32.
Through set up circulation ventilation mechanism on fume hood 1, can carry out effective filtration and purification with the dirty air in the laboratory, the content of harmful substance in the laboratory air has been reduced by a wide margin, improve the air quality in the laboratory, prevent to receive the influence of dirty air in the experiment, the security of experimental operation and laboratory personnel's healthy while has been realized, can be with purifying the air transmission after filtering in the experiment, make up air for in the experiment, make temperature and humidity in the laboratory stir can not be too big when ventilation, the effect of reducing the energy consumption, energy-concerving and environment-protective, keep the clean environment originally in laboratory, utilize air exhauster 13 and air-blower 16 to realize carrying out circulating circulation with the gas in the laboratory, utilize air-blower 16, anion generator 17 and active carbon filter 18 realize the degerming disinfection and purification to the laboratory gas, the quick transfer of air after the purification is realized for the laboratory is the air make up, make the laboratory still keep clean environment after ventilation, thereby the safe use of laboratory of being convenient for.
The bottom of over-and-under type observation window 3 is provided with handle 4, and be provided with isolation glove 5 on the over-and-under type observation window 3, through setting up over-and-under type observation window 3, realize the isolation to operating chamber 2, simultaneously make things convenient for the observation, utilize isolation glove 5, can realize that experimenter's user demand carries out contactless experimental operation, improve the flexibility and the suitability of device, the both sides of over-and-under type observation window 3 are provided with rack 6, the meshing is connected between rack 6 and the gear 7, gear 7 fixed mounting is in the department placed in the middle of bracing piece 8, and the both ends rotation of bracing piece 8 set up inside the top of supporting seat 9, supporting seat 9 fixed mounting is in the top surface both sides of fume chamber 1, utilize rotatable gear 7, and the meshing is connected between rack 6 of gear 7 and over-and-under type observation window 3 both sides, realize the lift to over-and-under type observation window 3 through pulling handle 4.
The front side of the operating cavity 2 is provided with a first chute 10, the first chute 10 is in sliding connection with two sides of the lifting type observation window 3, the middle part of the first chute 10 is provided with a second chute 11, and the second chute 11 is in sliding connection with the rack 6.
Embodiment two:
in this embodiment, it is considered that the device needs to be detached and replaced regularly during the use process of the device, so as to ensure the ventilation and purification effects, so that on the basis of the first embodiment, a disassembly and assembly mechanism for disassembling and assembling the activated carbon filter plate 18 is arranged on one side of the purification box 12, and the activated carbon filter plate 18 is conveniently disassembled and assembled;
one of the possible structures of the dismounting mechanism in this embodiment will be described here: the disassembly and assembly mechanism comprises a mounting groove 19, a sealing cavity 20, a clamping groove 21, a sealing ring 22, a sealing plate 23 and a first screw 24, wherein the sealing cavity 20 is arranged on one side of the purification cavity 15, the mounting groove 19 is arranged on the inner side of the purification cavity 15, the mounting groove 19 is matched with the activated carbon filter plate 18, the clamping groove 21 is arranged on the inner side of the sealing cavity 20, the clamping groove 21 is matched with the sealing ring 22, and the sealing plate 23 is fixedly connected with the sealing cavity 20 through the first screw 24.
Through setting up dismouting mechanism, realize the dismouting to the active carbon filter 18 of installing in the purification chamber 15, utilize mounting groove 19 and the adaptation installation of active carbon filter 18, in the dismouting in-process directly with active carbon filter 18 along mounting groove 19 dismouting can, utilize sealed cavity 20, draw-in groove 21, sealing washer 22, closing plate 23 and first screw 24, realize damaging the leakproofness between sealed cavity 20 to closing plate 23 and purifying box 12, avoid harmful gas to scatter out in the space, utilize draw-in groove 21 to realize with sealing washer 22 joint in draw-in groove 21, then sealing washer 22 is higher than draw-in groove 21, make closing plate 23 installation and sealing washer 22 inconsistent, then through first screw 24 with closing plate 23 fixed mounting in sealed cavity 20, when dismantling the change to active carbon filter 18, directly dismantle first screw 24 with closing plate 23 after, directly take out active carbon filter 18 in the mounting groove 19 with new active carbon filter 18 follow mounting groove 19 intubate can.
Embodiment III:
in this embodiment, the filter purification effect of the activated carbon filter plate 18 and the aesthetic property of the operation cavity 2 are improved, so, based on the first and second embodiments, the bottom of the through hole 25 is provided with a top plate 27 by a second screw 29, the top plate 27 is disposed on the top surface of the operation cavity 2, a first filter screen 26 is disposed between the top plate 27 and the through hole 25, and a plurality of ventilation openings 28 are formed in the top plate 27.
Through set up roof 27 at the top surface of operating chamber 2, realize the holistic aesthetic property of device, utilize second screw 29 to conveniently dismantle roof 27, thereby the clearance is dismantled to the first filter screen 26 between roof 27 and the through-hole 25 and the installation is fixed, utilize first filter screen 26 to realize carrying out preliminary filtration to the gas in the laboratory, thereby improve the filtration purification effect of active carbon filter 18, the mounting hole has been seted up to the outer lane of the bottom of utilizing through-hole 25 and first filter screen 26 and the outer lane of roof 27 correspondence, make the second screw pass the mounting hole on roof 27 and the first filter screen 26 and with the mounting hole between the mounting hole of through-hole 25 bottom, realize the installation fixedly to first filter screen 26 and roof 27.
Working principle: in the process of experiments, the lifting type observation window 3 can be moved up and down by pulling the handle 4 to apply force, the lifting type observation window is regulated and used according to requirements, in the use process of the fume hood 1, the effective purification and air supplement of laboratory air are realized through the circulating ventilation mechanism, the content of harmful substances in the laboratory air is greatly reduced, the air quality in the laboratory is improved, the influence of dirty air in the experiments is prevented, the safety of experimental operation and the health of experimental personnel are ensured, meanwhile, the recycling of air is realized, the air is filtered and purified through the ventilation opening 28 sequentially through the first filter screen 26, the active carbon filter plate 18 and the purification cavity 15, the purified air is conveyed into the operation cavity 2 through the air outlet pipe 30 and then is filtered again through the annular cavity 31, and the air filtering effect is improved by utilizing the second filter screen 33 on the mounting opening 32;
when the filter structure is required to be disassembled for cleaning or replacement, the first screw 24 and the second screw 29 can be disassembled, the activated carbon filter plate 18 and the first filter screen 26 can be disassembled for cleaning or replacement, the second filter screen 33 on the mounting port 32 is directly screwed for cleaning, and the filter structure is conveniently disassembled for cleaning, so that the ventilation and purification effects are improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An environmental ventilation device for laboratory, including fume chamber (1) and operating chamber (2), its characterized in that: the utility model discloses a ventilation cabinet, including ventilation cabinet (1), operation chamber (2) front side is provided with over-and-under type observation window (3), vent (25) have been seted up at the top of ventilation cabinet (1), the upper portion of vent (25) is provided with purifying box (12), purifying box (12) fixed mounting is in the top surface of ventilation cabinet (1), and purifying chamber (15) and vent (25) and operation chamber (2) inside purifying box (12) are linked together, the inside of purifying chamber (15) is provided with circulation ventilation mechanism, one side of purifying box (12) is provided with the dismouting mechanism that conveniently dismantle the change to circulation ventilation mechanism.
2. An environmental ventilation device for a laboratory as claimed in claim 1, wherein: the circulating ventilation mechanism comprises an exhaust fan (13), an air suction pipe (14), a blower (16), a negative ion generator (17) and an activated carbon filter plate (18), wherein the activated carbon filter plate (18) is arranged in the purifying cavity (15), the blower (16) and the negative ion generator (17) are arranged on the upper portion of the activated carbon filter plate (18), the purifying cavity (15) is fixedly connected with an air inlet of the exhaust fan (13) through the air suction pipe (14) arranged on the top surface of the purifying cavity (15), and the exhaust fan (13) is fixedly arranged on the top surface of the purifying box (12).
3. An environmental ventilation device for a laboratory according to claim 2, wherein: the circulating ventilation mechanism further comprises an air outlet pipe (30), an annular cavity (31), a mounting opening (32) and a second filter screen (33), one end of the air outlet pipe (30) is fixedly connected with an air outlet of the exhaust fan (13), the other end of the air outlet pipe (30) is communicated with the annular cavity (31), the annular cavity (31) is formed in the upper frame of the ventilation cabinet (1), the mounting opening (32) is symmetrically arranged on two sides of the operation cavity (2), the mounting opening (32) is communicated with the annular cavity (31), and the outer side of an outer frame of the second filter screen (33) is in threaded connection with the mounting opening (32).
4. An environmental ventilation device for a laboratory as claimed in claim 1, wherein: the disassembly and assembly mechanism comprises a mounting groove (19), a sealing cavity (20), a clamping groove (21), a sealing ring (22), a sealing plate (23) and a first screw (24), wherein the sealing cavity (20) is arranged on one side of a purification cavity (15), the mounting groove (19) is formed in the inner side of the purification cavity (15), the mounting groove (19) is matched with an activated carbon filter plate (18), the clamping groove (21) is formed in the inner side of the sealing cavity (20), the clamping groove (21) is matched with the sealing ring (22), and the sealing plate (23) is fixedly connected with the sealing cavity (20) through the first screw (24).
5. An environmental ventilation device for a laboratory as claimed in claim 1, wherein: the bottom of opening (25) is provided with roof (27) through second screw (29), roof (27) set up in the top surface of operating chamber (2), and be provided with first filter screen (26) between roof (27) and opening (25), a plurality of vents (28) have been seted up on roof (27).
6. An environmental ventilation device for a laboratory as claimed in claim 1, wherein: the bottom of over-and-under type observation window (3) is provided with handle (4), and is provided with isolation glove (5) on over-and-under type observation window (3), the both sides of over-and-under type observation window (3) are provided with rack (6), meshing is connected between rack (6) and gear (7), gear (7) fixed mounting is in the department of centering of bracing piece (8), and the both ends rotation of bracing piece (8) set up inside the top of supporting seat (9), supporting seat (9) fixed mounting is in the top surface both sides of fume chamber (1).
7. An environmental ventilation device for a laboratory as claimed in claim 1, wherein: the front side of the operation cavity (2) is provided with a first chute (10), the first chute (10) is in sliding connection with two sides of the lifting type observation window (3), the middle part of the first chute (10) is provided with a second chute (11), and the second chute (11) is in sliding connection with the rack (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464511.6U CN220781742U (en) | 2023-09-12 | 2023-09-12 | Environmental ventilation device for laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464511.6U CN220781742U (en) | 2023-09-12 | 2023-09-12 | Environmental ventilation device for laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220781742U true CN220781742U (en) | 2024-04-16 |
Family
ID=90663010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322464511.6U Active CN220781742U (en) | 2023-09-12 | 2023-09-12 | Environmental ventilation device for laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220781742U (en) |
-
2023
- 2023-09-12 CN CN202322464511.6U patent/CN220781742U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104848419A (en) | Air channel of air purification humidification device and air purification humidification device having same | |
| CN204553262U (en) | Active carbon filter screen formula power ventilation device | |
| CN220781742U (en) | Environmental ventilation device for laboratory | |
| CN210220133U (en) | Big amount of wind low noise new trend equipment | |
| CN210511994U (en) | Intelligence air purification device for house | |
| CN202328454U (en) | Nano titanium dioxide photocatalyst air curtain range hood | |
| CN215391498U (en) | Fume chamber capable of processing waste gas | |
| CN112443917B (en) | Heating ventilation humidifying device with air purification function and implementation method thereof | |
| CN209254500U (en) | A kind of microbial treatment device for purifying the air of a room | |
| CN205593093U (en) | Energy -concerving and environment -protective air purifier | |
| CN203980483U (en) | UV photodissociation air purifier | |
| CN212901880U (en) | Indoor intelligent house air purification device | |
| CN211330666U (en) | Laboratory dynamic environment intellectual detection system cabinet | |
| CN209848914U (en) | Biological safety cabinet with it is dustproof | |
| CN209971468U (en) | Dust-absorbing and smoke-discharging system for extruder | |
| CN211302560U (en) | Odor purification device for computer production line | |
| CN114440371A (en) | New trend system hot blast blowpipe apparatus with humidification function | |
| CN111609488A (en) | Building indoor gas environment automated inspection breather | |
| CN204717854U (en) | The air channel of air-purifying humidification equipment and air-purifying humidification equipment | |
| CN205072434U (en) | Medicine cabinet | |
| CN205626568U (en) | Hospital is air disinfector for operating room | |
| CN218047012U (en) | Indoor formaldehyde pollution purifying equipment | |
| CN220003308U (en) | Exhaust emission component of heat setting machine | |
| CN219531149U (en) | High-efficient filtration wind gap with photocatalysis air purification sterilizing equipment | |
| CN219209358U (en) | Hazardous waste temporary warehouse non-combustible harmful gas purifying treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |