CN115338221A - Purification system for laboratory ventilation cabinet - Google Patents
Purification system for laboratory ventilation cabinet Download PDFInfo
- Publication number
- CN115338221A CN115338221A CN202210738248.2A CN202210738248A CN115338221A CN 115338221 A CN115338221 A CN 115338221A CN 202210738248 A CN202210738248 A CN 202210738248A CN 115338221 A CN115338221 A CN 115338221A
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- purification
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- 238000000746 purification Methods 0.000 title claims abstract description 76
- 238000009423 ventilation Methods 0.000 title description 9
- 239000007788 liquid Substances 0.000 claims abstract description 122
- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
- 239000002699 waste material Substances 0.000 claims abstract description 31
- 239000003517 fume Substances 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 16
- 238000005202 decontamination Methods 0.000 claims description 7
- 230000003588 decontaminative effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 abstract description 15
- 238000004887 air purification Methods 0.000 abstract description 7
- 238000005507 spraying Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses a purification system for a laboratory fume hood, which comprises a purification box, wherein a purification mechanism is arranged in the purification box; purify the mechanism and include the symmetry and install the mounting bar inside the purifying box, the outside fixedly connected with liquid reserve tank of mounting bar, the concave absorption sap cavity that is equipped with in top of liquid reserve tank, the concave waste liquid chamber that is equipped with in top of liquid reserve tank, the bottom fixedly connected with working pump in absorption sap cavity, the connecting pipe is installed at the top of working pump, the central point at the top of liquid reserve tank puts the concave purifying cavity that is equipped with, the top fixedly connected with shower nozzle in purifying cavity, the one end that the working pump was kept away from to the connecting pipe runs through to the inside in purifying cavity and is connected with the shower nozzle. The invention can absorb and purify the gas in a spraying mode, and the gas is firstly introduced into the absorbed absorption liquid, so that the absorption liquid is fully utilized, and meanwhile, the spraying speed of the absorption liquid can be automatically controlled according to the wind speed, the waste of the absorption liquid is reduced, and the cost of air purification is reduced.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a purification system for a laboratory fume hood.
Background
Laboratory ventilation is an integral part of laboratory design. In order for laboratory workers not to inhale or swallow some toxic, pathogenic or non-toxic chemicals and organisms, good ventilation should be provided in the laboratory. To prevent the absorption of some vapors, gases and particulates (smoke, soot, dust and aerosols), the contaminants must be removed by fume hood, ventilation hood or local ventilation. The fume hood is a local air exhaust device which is most commonly used in a laboratory, has various types, and has different air exhaust effects due to different structures and different use conditions. The performance of a fumehood is primarily dependent upon the speed at which air is moved through the fumehood.
The existing laboratory fume hood purification system can reduce the absorption speed of absorption liquid along with the increase of absorption liquid absorption substances, harmful substances in the air can not be absorbed in time, the absorption liquid can not be fully utilized, the waste of the absorption liquid is caused, the cost of air purification is improved, and therefore the purification system for the laboratory fume hood is needed.
Disclosure of Invention
The object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide a decontamination system for a laboratory fume hood.
In order to achieve the purpose, the invention adopts the following technical scheme:
a purification system for a laboratory fume hood comprises a purification box, wherein a purification mechanism is arranged inside the purification box;
the purification mechanism comprises mounting bars symmetrically mounted inside the purification box, a liquid storage box is fixedly connected to the outside of the mounting bars, an absorption liquid cavity is concavely arranged at the top of the liquid storage box, a waste liquid cavity is concavely arranged at the top of the liquid storage box, a working pump is fixedly connected to the bottom of the absorption liquid cavity, a connecting pipe is mounted at the top of the working pump, a purification cavity is concavely arranged at the center of the top of the liquid storage box, a spray head is fixedly connected to the top of the purification cavity, and one end, away from the working pump, of the connecting pipe penetrates through the interior of the purification cavity and is connected with the spray head;
the air purification device is characterized in that an air inlet pipe is arranged inside the liquid storage box, one end of the air inlet pipe penetrates through the inside of the purification cavity, the other end of the air inlet pipe penetrates through the outside of the liquid storage box, an air deflector is symmetrically and rotatably connected inside the air inlet pipe, a return spring is fixedly connected between the air deflector and the air inlet pipe together, an elastic sliding resistance pipe is fixedly connected to one side, close to the air deflector, of the air inlet pipe, and an air inlet filtering assembly is arranged inside the purification box.
The above technical solution further comprises:
preferably, the outside fixedly connected with of liquid reserve tank absorbs the feed liquor pipe that the liquid cavity is linked together, purify the chamber and lie in between absorption liquid cavity and the waste liquid cavity, the feed liquor pipe lies in the position that the liquid reserve tank is close to the top, and the feed liquor pipe runs through to the outside by the inside of purifying box, purify and seted up the intercommunicating pore between chamber and the waste liquid cavity jointly, the intercommunicating pore is located and purifies the chamber and the position that the waste liquid cavity is close to the bottom.
Preferably, one side of the liquid storage tank close to the waste liquid cavity is fixedly connected with a liquid discharge pipe, one end of the liquid discharge pipe penetrates through the waste liquid cavity, the other end of the liquid discharge pipe penetrates through the purification box from the inside to the outside, a valve is arranged on the part of the liquid discharge pipe located outside the purification box, and the liquid discharge pipe is located at the position of the waste liquid cavity close to the bottom.
Preferably, the spray head is located at the center of the top of the purification cavity, the elastic sliding resistance tube is electrically connected with the working pump, and the shorter the length of the elastic sliding resistance tube is, the smaller the resistance is.
Preferably, the purifying box is fixedly connected with a control panel on the outside, the control panel is fixedly connected with a controller on the outside, and the control panel is fixedly connected with an alarm lamp on the outside.
Preferably, the air inlet filtering component is including installing the installing frame in the purifying box inside, the outside fixed connection of installing frame has the fan frame, the vent has been seted up to the outside symmetry of fan frame, one side fixedly connected with fixed plate that the fan frame is close to the vent, the outside rotation of fixed plate is connected with the air inlet fan, the driving motor that one side fixedly connected with that the air inlet fan was connected is kept away from to the fixed plate.
Preferably, the inside fixedly connected with location strip of purifying box, a plurality of compression springs of one side fixedly connected with of fan frame are kept away from to the location strip, and are a plurality of compression spring the common fixedly connected with of one end and purifying box sliding connection's that compression spring kept away from the location strip filter, four contact switches are installed to one side symmetry that the location strip is close to compression spring, contact switch is located compression spring's inside, the filter is located between fan frame and the liquid reserve tank, the intake pipe is located the outside one end of liquid reserve tank and is coniform setting.
The internally mounted of purifying box has the ring frame, one side fixedly connected with filter of liquid reserve tank is kept away from to the ring frame, the size of filter plate and the inside size looks adaptation of purifying box.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the matching use of the liquid storage tank, the absorption liquid cavity, the waste liquid cavity, the working pump, the connecting pipe, the spray head, the air inlet pipe, the air deflector, the return spring and the elastic sliding resistance pipe, the gas can be absorbed and purified in a spraying mode, and the gas is firstly introduced into the absorbed absorption liquid, so that the absorption liquid is fully utilized, meanwhile, the spraying speed of the absorption liquid can be automatically controlled according to the wind speed, the waste of the absorption liquid is reduced, and the air purification cost is reduced.
Drawings
FIG. 1 is a schematic perspective view of a decontamination system for a laboratory fume hood in accordance with the present invention;
FIG. 2 is a schematic bottom view of a decontamination system for a laboratory fume hood in accordance with the present invention;
FIG. 3 is a schematic sectional view of the purification box of the present invention;
FIG. 4 is a schematic view of the positioning bar, compression spring and filter of the present invention;
FIG. 5 is a schematic top view of the liquid storage tank of the present invention;
FIG. 6 is a schematic sectional view of the liquid storage tank and the absorption chamber of the present invention;
fig. 7 is an enlarged view of a structure shown in fig. 6.
In the figure: 1. a purification box; 2. a control panel; 3. a controller; 4. an alarm light; 5. installing a frame; 6. a fan frame; 7. a vent; 8. a fixing plate; 9. an air inlet fan; 10. a drive motor; 11. a positioning bar; 12. a compression spring; 13. a filter; 14. a contact switch; 15. mounting a bar; 16. a liquid storage tank; 17. an absorption liquid chamber; 18. a waste fluid chamber; 19. a liquid inlet pipe; 20. a working pump; 21. a connecting pipe; 22. a purification chamber; 23. a spray head; 24. a communicating hole; 25. an air inlet pipe; 26. an air deflector; 27. a return spring; 28. an elastic sliding resistance tube; 29. a liquid discharge pipe; 30. a ring frame; 31. a filter plate.
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.
Example one
As shown in fig. 1, fig. 3, fig. 5, fig. 6 and fig. 7, the purification system for the laboratory fume hood according to the present invention includes a purification box 1, wherein a purification mechanism is disposed inside the purification box 1;
the purification mechanism comprises mounting bars 15 symmetrically mounted inside the purification box 1, the mounting bars 15 are located inside the purification box 1 and close to the upper position, the size of the mounting bars 15 is matched with the size inside the purification box 1, a liquid storage box 16 is fixedly connected to the outside of the mounting bars 15, an absorption liquid cavity 17 is concavely formed in the top of the liquid storage box 16, a waste liquid cavity 18 is concavely formed in the top of the liquid storage box 16, the absorption liquid cavity 17, the waste liquid cavity 18 and the purification cavity 22 are located on one side, far away from an air inlet, of the liquid storage box 16, a working pump 20 is fixedly connected to the bottom of the absorption liquid cavity 17, a connecting pipe 21 is mounted at the top of the working pump 20, a purification cavity 22 is concavely formed in the center of the top of the liquid storage box 16, a spray head 23 is fixedly connected to the top of the purification cavity 22, the spray head 23 can uniformly spray inside the purification cavity 22, and one end, far away from the working pump 20, of the connecting pipe 21 penetrates into the purification cavity 22 and is connected with the spray head 23;
a liquid inlet pipe 19 communicated with the absorption liquid cavity 17 is fixedly connected to the outside of the liquid storage box 16, the purification cavity 22 is positioned between the absorption liquid cavity 17 and the waste liquid cavity 18, the liquid inlet pipe 19 is positioned at a position above the liquid storage box 16, the liquid inlet pipe 19 penetrates from the inside of the purification box 1 to the outside, a communication hole 24 is jointly formed between the purification cavity 22 and the waste liquid cavity 18, the communication hole 24 is positioned at a position at the bottom of the purification cavity 22 and the waste liquid cavity 18, a liquid discharge pipe 29 is fixedly connected to one side of the liquid storage box 16, which is close to the waste liquid cavity 18, one end of the liquid discharge pipe 29 penetrates into the waste liquid cavity 18, the other end of the liquid discharge pipe 29 penetrates from the inside of the purification box 1 to the outside, a valve is arranged at a part of the liquid discharge pipe 29, which is positioned at the bottom of the waste liquid cavity 18;
the internally mounted of liquid reserve tank 16 has intake pipe 25, the one end of intake pipe 25 runs through to the inside of purifying chamber 22, the other end of intake pipe 25 runs through to the outside of liquid reserve tank 16, the inside symmetry of intake pipe 25 is rotated and is connected with aviation baffle 26, common fixedly connected with reset spring 27 between aviation baffle 26 and the intake pipe 25, intake pipe 25 is close to one side fixedly connected with elasticity slip resistance pipe 28 of aviation baffle 26, shower nozzle 23 is located the central point who purifies the chamber 22 top and puts, electric connection between elasticity slip resistance pipe 28 and the working pump 20, and the length of elasticity slip resistance pipe 28 is short more, the resistance is less, the inside of purifying chamber 1 is provided with the air inlet filter component.
A clean system theory of operation for laboratory fume chamber based on embodiment one is: during operation, the device is integrally installed at the top of the ventilation cabinet, gas can reach the gas inlet pipe 25 under the action of the air inlet filtering assembly, the gas can enter the gas inlet pipe 25 under the action of air pressure and finally enter the purification cavity 22 and reach the bottom of the purification cavity 22, meanwhile, the working pump 20 is started through the controller 3, the working pump 20 sends absorption liquid in the absorption liquid cavity 17 to the spray head 23 through the connecting pipe 21, the absorption liquid is uniformly sprayed on the purification cavity 22 through the spray head 23, the absorption liquid after being sprayed and used falls to the bottom of the purification cavity 22 and enters the waste liquid cavity 18 through the communicating hole 24;
when the wind speed entering the air inlet pipe 25 changes, the air deflector 26 inside the air inlet pipe 25 is correspondingly pushed, when the wind speed is higher, the rotating angle of the air deflector 26 is larger, the return spring 27 is compressed at the moment, the elastic sliding resistance pipe 28 is compressed at the same time, the resistance of the elastic sliding resistance pipe 28 is reduced, the working efficiency of the working pump 20 is increased, the spraying amount of the spray head 23 is improved, and the gas purification effect is ensured; and when the wind speed reduces, the work efficiency of working pump 20 can reduce, reduces the volume that sprays of shower nozzle 23, reduces the waste of absorption liquid, and wherein intake pipe 25 can at first let in gas in the waste liquid, makes full use of absorption liquid, has reduced air purification's cost when guaranteeing the air purification effect.
Example two
As shown in fig. 1-4, a control panel 2 is fixedly connected to the outside of a purification box 1, a controller 3 is fixedly connected to the outside of the control panel 2, an alarm lamp 4 is fixedly connected to the outside of the control panel 2, an air inlet filter assembly includes an installation frame 5 installed inside the purification box 1, the installation frame 5 is located below an installation bar 15, an air blower frame 6 is fixedly connected to the outside of the installation frame 5, ventilation openings 7 are symmetrically formed in the outside of the air blower frame 6, a fixing plate 8 is fixedly connected to one side of the air blower frame 6 close to the ventilation openings 7, an air inlet fan 9 is rotatably connected to the outside of the fixing plate 8, and a driving motor 10 connected to the air inlet fan 9 is fixedly connected to one side of the fixing plate 8 far from the air inlet fan 9;
purifying box 1's inside fixedly connected with location strip 11, a plurality of compression spring 12 of one side fixedly connected with of fan frame 6 are kept away from to location strip 11, the common fixedly connected with of one end of location strip 11 and purifying box 1 sliding connection's filter 13 are kept away from to a plurality of compression spring 12, four contact switch 14 are installed to one side symmetry that location strip 11 is close to compression spring 12, contact switch 14 is located compression spring 12's inside, filter 13 is located between fan frame 6 and the liquid reserve tank 16, intake pipe 25 is located the outside one end of liquid reserve tank 16 and is coniform setting, purifying box 1's internally mounted has ring frame 30, one side fixedly connected with filter 31 of liquid reserve tank 16 is kept away from to ring frame 30, the size of filter 31 and the inside size looks adaptation of purifying box 1.
In this embodiment, when air inside the fume hood is purified, the driving motor 10 is turned on through the controller 3 to drive the air inlet fan 9 to rotate, the air inside the fume hood is sucked into the purifying box 1, the air first contacts with the filter 13 to adsorb dust substances in the air onto the filter 13, along with the increase of the dust substances on the filter 13, the weight of the filter 13 is increased, the compression spring 12 is compressed downwards, when the dust substances on the filter 13 reach a certain amount, the filter 13 contacts with the contact switch 14 to enable the alarm lamp 4 to work, so as to remind a worker to replace or clean the filter 13 in time, and the air purifying effect is ensured;
gas can purify through purification mechanism afterwards, absorbs the harmful substance of fog in the air, and the gas of purification then passes through filter 31 exhaust purifying box 1, and filter 31 can play dry effect to gas, guarantees the degree of dryness when gas outgoing, is favorable to the storage of article in the laboratory, also can avoid impurity such as dust to carry out the purifying effect of influence air in the purifying box 1 simultaneously.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A purification system for a laboratory fume hood comprises a purification box (1), and is characterized in that a purification mechanism is arranged inside the purification box (1);
the purification device comprises a mounting bar (15) symmetrically mounted inside a purification box (1), wherein a liquid storage box (16) is fixedly connected to the outside of the mounting bar (15), an absorption liquid cavity (17) is concavely arranged at the top of the liquid storage box (16), a waste liquid cavity (18) is concavely arranged at the top of the liquid storage box (16), a working pump (20) is fixedly connected to the bottom of the absorption liquid cavity (17), a connecting pipe (21) is mounted at the top of the working pump (20), a purification cavity (22) is concavely arranged at the center of the top of the liquid storage box (16), a spray head (23) is fixedly connected to the top of the purification cavity (22), and one end, far away from the working pump (20), of the connecting pipe (21) penetrates into the purification cavity (22) to be connected with the spray head (23);
the utility model discloses a purification device, including liquid storage tank (16), intake pipe (25) is installed to the internally mounted of liquid storage tank (16), the inside of purifying chamber (22) is run through to the one end of intake pipe (25), the other end of intake pipe (25) runs through to the outside of liquid storage tank (16), the inside symmetry of intake pipe (25) is rotated and is connected with aviation baffle (26), common fixedly connected with reset spring (27) between aviation baffle (26) and intake pipe (25), one side fixed connection elastic sliding resistance pipe (28) that intake pipe (25) are close to aviation baffle (26), the inside of purifying tank (1) is provided with air inlet filtering component.
2. The purification system for the laboratory fume hood according to claim 1, wherein a liquid inlet pipe (19) communicated with the absorption liquid cavity (17) is fixedly connected to the outside of the liquid storage tank (16), the purification cavity (22) is located between the absorption liquid cavity (17) and the waste liquid cavity (18), the liquid inlet pipe (19) is located at a position above the liquid storage tank (16), the liquid inlet pipe (19) penetrates through the purification tank (1) from the inside to the outside, a communication hole (24) is jointly formed between the purification cavity (22) and the waste liquid cavity (18), and the communication hole (24) is located at a position at the bottom of the purification cavity (22) and the waste liquid cavity (18).
3. A purification system for a laboratory fume hood according to claim 2, characterized in that a drain pipe (29) is fixedly connected to one side of the liquid storage tank (16) close to the waste liquid chamber (18), one end of the drain pipe (29) penetrates into the waste liquid chamber (18), the other end of the drain pipe (29) penetrates from the inside to the outside of the purification tank (1), a valve is arranged on the part of the drain pipe (29) outside the purification tank (1), and the drain pipe (29) is arranged at the position of the waste liquid chamber (18) close to the bottom.
4. A decontamination system for a laboratory fume hood according to claim 3, characterized in that the spray head (23) is located at the center of the top of the decontamination chamber (22), the elastic sliding resistance tube (28) is electrically connected to the working pump (20), and the shorter the length of the elastic sliding resistance tube (28), the lower the resistance.
5. A decontamination system for a laboratory fume hood according to claim 1, characterized in that a control panel (2) is fixedly connected to the outside of the decontamination box (1), a controller (3) is fixedly connected to the outside of the control panel (2), and an alarm lamp (4) is fixedly connected to the outside of the control panel (2).
6. The purification system for laboratory fume hood according to claim 1, characterized in that, the air inlet filtering component includes the installing frame (5) of installing in purifying box (1) inside, the outside fixed connection of installing frame (5) has fan frame (6), vent (7) have been seted up to the outside symmetry of fan frame (6), one side fixedly connected with fixed plate (8) that fan frame (6) are close to vent (7), the outside rotation of fixed plate (8) is connected with air inlet fan (9), one side fixedly connected with that air inlet fan (9) were kept away from to fixed plate (8) has driving motor (10) that is connected with air inlet fan (9).
7. The purification system for laboratory fume hood according to claim 6, characterized in that, the inside fixedly connected with location strip (11) of purifying box (1), one side fixedly connected with a plurality of compression springs (12) of fan frame (6) are kept away from in location strip (11), and is a plurality of the common fixedly connected with of one end that location strip (11) were kept away from in compression spring (12) and purifying box (1) sliding connection's filter (13), four contact switch (14) are installed to one side symmetry that location strip (11) are close to compression spring (12), contact switch (14) are located the inside of compression spring (12), filter (13) are located between fan frame (6) and liquid reserve tank (16), intake pipe (25) are located the outside one end of liquid reserve tank (16) and are the coniform setting.
8. A purification system for a laboratory fume hood according to claim 1, characterized in that a ring frame (30) is mounted inside the purification box (1), a filter plate (31) is fixedly connected to the side of the ring frame (30) away from the liquid storage box (16), and the size of the filter plate (31) is adapted to the size inside the purification box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210738248.2A CN115338221A (en) | 2022-06-24 | 2022-06-24 | Purification system for laboratory ventilation cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210738248.2A CN115338221A (en) | 2022-06-24 | 2022-06-24 | Purification system for laboratory ventilation cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115338221A true CN115338221A (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210738248.2A Pending CN115338221A (en) | 2022-06-24 | 2022-06-24 | Purification system for laboratory ventilation cabinet |
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| CN (1) | CN115338221A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716267A (en) * | 1995-12-28 | 1998-02-10 | Labconco Corporation | Fume hood with secondary exhaust collection device |
| CN102792100A (en) * | 2010-01-13 | 2012-11-21 | 金属塑料有限责任公司 | Decontamination arrangement and method |
| CN207401286U (en) * | 2017-10-13 | 2018-05-25 | 中山市恩尚环保科技有限公司 | A kind of dust concentration of air purifier and strainer detection device |
| CN213530117U (en) * | 2020-11-10 | 2021-06-25 | 沈阳和美华饲料有限公司 | Ventilation cabinet in feed laboratory |
| CN214635389U (en) * | 2020-12-08 | 2021-11-09 | 青岛盛科实验室设备有限公司 | Fume chamber with purifying effect |
| CN214862495U (en) * | 2021-07-21 | 2021-11-26 | 南京鑫之鸿环保科技有限公司 | Industrial waste gas purifying equipment |
| CN214972726U (en) * | 2021-06-21 | 2021-12-03 | 海南大坤环保科技有限公司 | Multistage desulfurization dusting tower |
| CN216540107U (en) * | 2021-12-31 | 2022-05-17 | 常州市安平安全技术服务有限公司 | Laboratory exhaust purification fume chamber |
-
2022
- 2022-06-24 CN CN202210738248.2A patent/CN115338221A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5716267A (en) * | 1995-12-28 | 1998-02-10 | Labconco Corporation | Fume hood with secondary exhaust collection device |
| CN102792100A (en) * | 2010-01-13 | 2012-11-21 | 金属塑料有限责任公司 | Decontamination arrangement and method |
| US20130004390A1 (en) * | 2010-01-13 | 2013-01-03 | Metall + Plastic Gmbh | Decontamination arrangement and method |
| CN207401286U (en) * | 2017-10-13 | 2018-05-25 | 中山市恩尚环保科技有限公司 | A kind of dust concentration of air purifier and strainer detection device |
| CN213530117U (en) * | 2020-11-10 | 2021-06-25 | 沈阳和美华饲料有限公司 | Ventilation cabinet in feed laboratory |
| CN214635389U (en) * | 2020-12-08 | 2021-11-09 | 青岛盛科实验室设备有限公司 | Fume chamber with purifying effect |
| CN214972726U (en) * | 2021-06-21 | 2021-12-03 | 海南大坤环保科技有限公司 | Multistage desulfurization dusting tower |
| CN214862495U (en) * | 2021-07-21 | 2021-11-26 | 南京鑫之鸿环保科技有限公司 | Industrial waste gas purifying equipment |
| CN216540107U (en) * | 2021-12-31 | 2022-05-17 | 常州市安平安全技术服务有限公司 | Laboratory exhaust purification fume chamber |
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Application publication date: 20221115 |
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