CN113457415B - Air filtering device for laboratory development - Google Patents

Air filtering device for laboratory development Download PDF

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Publication number
CN113457415B
CN113457415B CN202110664587.6A CN202110664587A CN113457415B CN 113457415 B CN113457415 B CN 113457415B CN 202110664587 A CN202110664587 A CN 202110664587A CN 113457415 B CN113457415 B CN 113457415B
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China
Prior art keywords
fixedly connected
box
placing box
air
plate
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CN202110664587.6A
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Chinese (zh)
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CN113457415A (en
Inventor
石敏
杨守雷
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Zhejiang A&F University ZAFU
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Zhejiang A&F University ZAFU
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/346Controlling the process
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Abstract

The invention belongs to the field of fume hoods, in particular to an air filtering device for laboratory development, which aims at solving the problems that after toxic and harmful chemical substances are put into the existing fume hood, the fume hood needs to be opened all the time, the air exchange operation is carried out for a long time, the working time of an air blower is longer, excessive electric energy is wasted, and the filtering effect is poor, the air filtering device comprises a placing box, one side of the placing box is fixedly connected with a communicated filtering box, the placing box is communicated with the filtering box through a connecting pipe, a first baffle is fixedly connected inside the placing box, a plurality of air inlets are formed in the first baffle, in the invention, the quality of air is automatically detected through an air quality detector, the harmful gas is sucked into an air outlet pipe, the filtering process is realized, and when the chemical substances need to be taken, the placing box can be automatically popped up by pressing a pressing plate, the access to the chemicals is completed.

Description

Air filtering device for laboratory development
Technical Field
The invention relates to the technical field of fume hoods, in particular to an air filtering device for laboratory development.
Background
The fume chamber is an indispensable component in the laboratory design, and in order to guarantee that the staff in laboratory does not inhale some poisonous, harmful chemical substance and organism, the laboratory should keep good ventilation, and many experiments are as long as involve experiments such as poisonous and harmful, have pungent smell, volatile gas, for the health of laboratory personnel and the environmental consideration in laboratory, all need operate in the fume chamber, ensure safety.
The fume chamber is after placing the chemical, can start the air-blower and take out irritability wherein, poisonous gas, current fume chamber as long as put into poisonous and harmful chemical after, need open always, the operation of taking a breath for a long time, but because chemical's the position of placing is different, the operating time of air-blower is longer, can waste too much electric energy, and because the air-blower rigidity, and then the filter effect is poor, so we propose an air filter for laboratory development, be used for solving the above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an air filtering device for laboratory development.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an air filter equipment for laboratory development, is including placing the case, place the rose box that one side fixedly connected with of case is linked together, it is linked together through the connecting pipe to place case and rose box, place the first baffle of the inside fixedly connected with of case, a plurality of air inlets have been seted up to the inside of first baffle, the inside of air inlet is provided with and is used for the confined seal assembly of air inlet, the inside of rose box is provided with the filter assembly who filters toxic gas, one side sliding connection of first baffle has the blast air subassembly that is used for blowing, place a plurality of fixed plates of one side inner wall fixedly connected with of case, the top sliding connection of fixed plate has places the box, the inside of fixed plate is provided with and is used for carrying out spacing subassembly to placing the box.
Preferably, the seal assembly includes two connecting rods of sliding connection inside the air inlet, two the same flange of one end fixedly connected with that the connecting rod is close to the fixed plate, the same third spring of fixedly connected with between one side inner wall of flange and first baffle, two the same second closing plate of one end fixedly connected with that the fixed plate was kept away from to the connecting rod, one side fixedly connected with sealing washer that the second closing plate is close to first baffle.
Preferably, the filtering component comprises a second baffle fixedly connected to the inner wall of the top of the filtering box, and the top of the filtering box is fixedly connected with an air outlet pipe communicated with the top of the filtering box.
Preferably, the air-blast subassembly includes the three lifting box of sliding connection in first baffle one side, the top inner wall of placing the case rotates and is connected with three lead screw, the three servo motor of bottom fixedly connected with of placing the case, servo motor's output shaft extend to the inside of placing the case and with the bottom fixed connection of lead screw, the lead screw run through the lifting box and with lifting box threaded connection, one side inner wall fixedly connected with driving motor of lifting box, a plurality of flabellums of fixedly connected with on driving motor's the output shaft, the second through-hole has been seted up to one side that first baffle was kept away from to the lifting box, the venthole has been seted up to one side that the lifting box is close to first baffle.
Preferably, spacing subassembly is including sliding the fixture block that runs through the fixed plate, place the bottom of box and set up the draw-in groove with fixture block looks block, the bottom fixedly connected with arm-tie of fixture block, the same extension spring of fixedly connected with between the top of arm-tie and the bottom of fixed plate, it has the diaphragm to slide to run through in one side of placing the case, the diaphragm is close to the one end fixedly connected with triangle block of arm-tie, the one end fixedly connected with that the arm-tie was kept away from to the diaphragm presses the platen, press the platen and place the same second spring of fixedly connected with between the case, the second spring housing is established on the diaphragm.
Preferably, the top of fixed plate fixedly connected with bracing piece, the top fixedly connected with air quality detector of bracing piece, the bracing piece with place the same first spring of fixedly connected with between the box.
Preferably, a plurality of first through holes are formed in one side, close to the air quality detector, of the placing box, one end, far away from the air quality detector, of the placing box extends to the outside of the placing box and is fixedly connected with a first sealing plate, a handle is fixedly connected to one side of the first sealing plate, a label is arranged on one side of the first sealing plate, and a transparent window is arranged on one side of the first sealing plate.
Preferably, the bottom of placing case and rose box all symmetry fixedly connected with two unable adjustment bases.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, when the air quality detector detects that the air quality is poor, the corresponding servo motor is started, the output shaft of the servo motor drives the screw rod to rotate, the screw rod drives the lifting box to vertically move upwards until the lifting box moves to one side of the corresponding air quality detector, the lifting box pushes the convex plate to transversely move in the upward movement process, the convex plate drives the connecting rod to transversely move and extrude the third spring, and the connecting rod drives the second sealing plate to transversely move so as to open the air inlet;
2. according to the invention, the corresponding driving motor is started, the output shaft of the driving motor drives the fan blades to rotate, so that harmful gas in the box can be sucked into the lifting box through the first through hole and the second through hole and then discharged into one side of the first baffle plate through the air outlet hole and the air inlet, the harmful gas enters the filter box through the connecting pipe and is discharged through the air outlet pipe after reacting with liquid in the filter box, automatic air filtration can be realized, targeted filtration can be realized, the filtration efficiency is high, and a large amount of electric energy is saved;
3. according to the invention, when the air quality detector does not detect harmful gas any more, the driving motor is turned off, the servo motor is started, the output shaft of the servo motor rotates reversely to drive the screw rod to rotate reversely, and further the lifting box is driven to vertically move downwards to the lowest part, so that the lifting box is convenient to use next time;
4. according to the invention, when chemical substances are required to be taken, the storage amount of the chemical substances in the placing box can be observed through the transparent window, the pressing plate is transversely pressed, the pressing plate drives the transverse plate to transversely move and extrude the second spring, the transverse plate drives the triangular block to transversely move, the triangular block pushes the pulling plate to vertically move downwards, the pulling plate drives the clamping block to vertically move downwards and stretch the tension spring, the clamping state of the clamping block and the clamping groove is released, the placing box is popped out under the elastic action of the first spring, the chemical substances are convenient to take, after the taking is finished, the first sealing plate is transversely pushed, and the clamping block and the clamping groove are clamped again, so that the fixing of the placing box can be finished.
According to the invention, the air quality is automatically detected by the air quality detector, the corresponding servo motor is started, the lifting box is lifted, the driving motor is started, harmful gas is sucked into the air outlet pipe, the filtering process is realized, and when chemical substances are required to be taken, the placing box can be automatically ejected by pressing the pressing plate, so that the taking of the chemical substances is completed.
Drawings
FIG. 1 is a schematic side view of an air filtration apparatus for laboratory development according to the present invention;
FIG. 2 is a side cross-sectional structural view of the holding box of the present invention;
FIG. 3 is an enlarged view of portion A of the present invention;
FIG. 4 is an enlarged view of portion B of the present invention;
FIG. 5 is a side cross-sectional structural view of a filter box according to the present invention;
FIG. 6 is a schematic rear view of a portion of the first baffle of the present invention;
FIG. 7 is a side cross-sectional structural view of the holding box of the present invention;
FIG. 8 is a side cross-sectional structural view of the elevator car of the present invention;
FIG. 9 is a schematic front view of an air filter device for laboratory development according to the present invention;
fig. 10 is a front sectional structural view of the storage box of the present invention.
In the figure: 1. a fixed base; 2. a servo motor; 3. a handle; 4. a first sealing plate; 5. placing the box; 6. a filter box; 7. an air outlet pipe; 8. placing the box; 9. a fixing plate; 10. a first spring; 11. a support bar; 12. an air quality detector; 13. a lifting box; 14. a screw rod; 15. a connecting pipe; 16. a first baffle plate; 17. a clamping block; 18. a tension spring; 19. pulling a plate; 20. a triangular block; 21. a transverse plate; 22. a second spring; 23. a pressing plate; 24. a second sealing plate; 25. a seal ring; 26. a connecting rod; 27. an air inlet; 28. a convex plate; 29. a third spring; 30. a second baffle; 31. a card slot; 32. a first through hole; 33. an air outlet; 34. a drive motor; 35. a fan blade; 36. a second through hole; 37. a label; 38. and a transparent window.
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.
Example one
Referring to fig. 1-10, an air filtering device for laboratory development comprises a placing box 5, a filtering box 6 which is communicated with one side of the placing box 5 and fixedly connected with the placing box 5, the placing box 5 is communicated with the filtering box 6 through a connecting pipe 15, a first baffle 16 which is fixedly connected with the inside of the placing box 5, a plurality of air inlets 27 are formed in the first baffle 16, a sealing assembly which is used for sealing the air inlets 27 is arranged in the air inlets 27, a filtering assembly which is used for filtering toxic gas is arranged in the filtering box 6, a blowing assembly which is used for blowing air is slidably connected with one side of the first baffle 16, a plurality of fixing plates 9 which are fixedly connected with the inner wall of one side of the placing box 5, a placing box 8 is slidably connected with the top of the fixing plates 9, and a limiting assembly which is used for limiting the placing box 8 is arranged in the fixing plates 9.
Example two
The embodiment is improved on the basis of the first embodiment: the sealing assembly comprises two connecting rods 26 which are slidably connected inside an air inlet 27, one end of each connecting rod 26, which is close to a fixed plate 9, is fixedly connected with the same convex plate 28, one third spring 29 is fixedly connected between the convex plate 28 and the inner wall of one side of a first baffle plate 16, one end of each connecting rod 26, which is far from the fixed plate 9, is fixedly connected with the same second sealing plate 24, one side of each second sealing plate 24, which is close to the first baffle plate 16, is fixedly connected with a sealing ring 25, the filtering assembly comprises a second baffle plate 30 fixedly connected to the inner wall of the top of a filtering box 6, the top of the filtering box 6 is fixedly connected with a communicated air outlet pipe 7, the air blowing assembly comprises three lifting boxes 13 which are slidably connected to one side of the first baffle plate 16, the inner wall of the top of the placing box 5 is rotatably connected with three screw rods 14, the bottom of the placing box 5 is fixedly connected with three servo motors 2, output shafts of the servo motors 2 extend to the inside of the placing box 5 and are fixedly connected with the bottoms of the screw rods 14, the screw 14 penetrates through the lifting box 13 and is in threaded connection with the lifting box 13, a driving motor 34 is fixedly connected to the inner wall of one side of the lifting box 13, a plurality of fan blades 35 are fixedly connected to an output shaft of the driving motor 34, a second through hole 36 is formed in one side of the lifting box 13, which is far away from the first baffle plate 16, an air outlet 33 is formed in one side of the lifting box 13, which is close to the first baffle plate 16, a limiting assembly comprises a clamping block 17 which slidably penetrates through the fixing plate 9, a clamping groove 31 which is clamped with the clamping block 17 is formed in the bottom of the placing box 8, a pulling plate 19 is fixedly connected to the bottom of the clamping block 17, the same tension spring 18 is fixedly connected between the top of the pulling plate 19 and the bottom of the fixing plate 9, a transverse plate 21 slidably penetrates through one side of the placing box 5, a triangular block 20 is fixedly connected to one end of the transverse plate 21, which is close to the pulling plate 19, a pressing plate 23 is fixedly connected to one end of the transverse plate 21, and a same second spring 22 is fixedly connected between the pressing plate 23 and the placing box 5, the second spring 22 is sleeved on the transverse plate 21.
EXAMPLE III
The embodiment is improved on the basis of the first embodiment: top fixedly connected with bracing piece 11 of fixed plate 9, the top fixedly connected with air quality detector 12 of bracing piece 11, bracing piece 11 and place the same first spring 10 of fixedly connected with between the box 8, place one side that box 8 is close to air quality detector 12 and seted up a plurality of first through-holes 32, the one end of placing box 8 and keeping away from air quality detector 12 extends to the outside of placing box 5 and the first closing plate 4 of fixedly connected with, one side fixedly connected with handle 3 of first closing plate 4, one side of first closing plate 4 is provided with label 37, one side of first closing plate 4 is provided with transparent window 38, place two unable adjustment bases 1 of the equal symmetry fixedly connected with in bottom of box 5 and rose box 6.
The working principle is as follows: when the air quality detector 12 detects that the air quality is poor, the corresponding servo motor 2 is started, the output shaft of the servo motor 2 drives the screw rod 14 to rotate, the screw rod 14 drives the lifting box 13 to vertically move upwards until the lifting box moves to one side of the corresponding air quality detector 12, the lifting box 13 pushes the convex plate 28 to transversely move in the upward movement process, the convex plate 28 drives the connecting rod 26 to transversely move and extrude the third spring 29, the connecting rod 26 drives the second sealing plate 24 to transversely move, the air inlet 27 can be opened, the corresponding driving motor 34 is started, the output shaft of the driving motor 34 drives the fan blades 35 to rotate, harmful gas in the placing box 8 can be sucked into the lifting box 13 through the first through hole 32 and the second through hole 36 and then discharged into one side of the first baffle 16 through the air outlet hole 33 and the air inlet 27, harmful gas enters the filter box 6 through the connecting pipe 15 and is discharged through the gas outlet pipe 7 after reacting with liquid in the filter box 6, so that automatic air filtration can be realized, targeted filtration can be realized, the filtration efficiency is high, a large amount of electric energy is saved, when the air quality detector 12 does not detect harmful gas any more, the driving motor 34 is closed, the servo motor 2 is started, the output shaft of the servo motor 2 rotates reversely to drive the screw rod 14 to rotate reversely, the lifting box 13 is further driven to vertically move downwards to the lowest part, the next use is convenient, when chemical substances need to be taken, the storage amount of the chemical substances in the placing box 8 can be observed through the transparent window 38, the pressing plate 23 is transversely pressed, the pressing plate 23 drives the transverse plate 21 to transversely move and extrude the second spring 22, the transverse plate 21 drives the triangular block 20 to transversely move, the triangular block 20 drives the pulling plate 19 to vertically move downwards, the pulling plate 19 drives the clamping block 17 to vertically move downwards and stretches the tension spring 18, the clamping state of the clamping block 17 and the clamping groove 31 is removed, the placing box 8 is ejected out under the elastic force action of the first spring 10, the chemical substances can be taken conveniently, after the taking is finished, the first sealing plate 4 is transversely pushed, the clamping block 17 and the clamping groove 31 are clamped again, and the fixing of the placing box 8 can be completed.
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 (3)

1. The air filtering device for laboratory development comprises a placing box (5) and is characterized in that one side of the placing box (5) is fixedly connected with a filtering box (6) which is communicated with each other, the placing box (5) is communicated with the filtering box (6) through a connecting pipe (15), the inside of the placing box (5) is fixedly connected with a first baffle (16), a plurality of air inlets (27) are formed in the first baffle (16), a sealing assembly used for sealing the air inlets (27) is arranged in the air inlets (27), the sealing assembly comprises two connecting rods (26) which are slidably connected in the air inlets (27), one end, close to a fixing plate (9), of the two connecting rods (26) is fixedly connected with the same convex plate (28), and the same third spring (29) is fixedly connected between the convex plate (28) and the inner wall of one side of the first baffle (16), one end of each connecting rod (26) far away from the fixing plate (9) is fixedly connected with the same second sealing plate (24), one side of each second sealing plate (24) close to the corresponding first baffle (16) is fixedly connected with a sealing ring (25), a filtering component for filtering toxic gas is arranged inside the corresponding filtering box (6), the filtering component comprises a second baffle (30) fixedly connected to the inner wall of the top of the corresponding filtering box (6), the top of the corresponding filtering box (6) is fixedly connected with an air outlet pipe (7) communicated with the corresponding filtering box, one side of the corresponding first baffle (16) is slidably connected with an air blowing component for blowing air, the air blowing component comprises three lifting boxes (13) slidably connected to one sides of the corresponding first baffles (16), the inner wall of the top of the placing box (5) is rotatably connected with three screw rods (14), and the bottom of the placing box (5) is fixedly connected with three servo motors (2), the output shaft of the servo motor (2) extends to the inside of the placing box (5) and is fixedly connected with the bottom of the lead screw (14), the lead screw (14) penetrates through the lifting box (13) and is in threaded connection with the lifting box (13), the inner wall of one side of the lifting box (13) is fixedly connected with a driving motor (34), a plurality of fan blades (35) are fixedly connected onto the output shaft of the driving motor (34), one side of the lifting box (13), which is far away from the first baffle (16), is provided with a second through hole (36), one side of the lifting box (13), which is close to the first baffle (16), is provided with an air outlet hole (33), the inner wall of one side of the placing box (5) is fixedly connected with a plurality of fixing plates (9), the top of the fixing plates (9) is in sliding connection with the placing box (8), and the inside of the fixing plates (9) is provided with a limiting component for limiting the placing box (8), the limiting assembly comprises a clamping block (17) penetrating through a fixing plate (9) in a sliding manner, a clamping groove (31) clamped with the clamping block (17) is formed in the bottom of the placing box (8), a pulling plate (19) is fixedly connected to the bottom of the clamping block (17), the same tension spring (18) is fixedly connected between the top of the pulling plate (19) and the bottom of the fixing plate (9), a transverse plate (21) penetrates through one side of the placing box (5) in a sliding manner, a triangular block (20) is fixedly connected to one end, close to the pulling plate (19), of the transverse plate (21), a pressing plate (23) is fixedly connected to one end, far away from the pulling plate (19), of the transverse plate (21), a same second spring (22) is fixedly connected between the pressing plate (23) and the placing box (5), the second spring (22) is sleeved on the transverse plate (21), and a supporting rod (11) is fixedly connected to the top of the fixing plate (9), the top fixedly connected with air quality detector (12) of bracing piece (11), bracing piece (11) and place the same first spring (10) of fixedly connected with between box (8).
2. The air filtering device for laboratory development according to claim 1, wherein a plurality of first through holes (32) are formed in one side of the placing box (8) close to the air quality detector (12), one end of the placing box (8) far away from the air quality detector (12) extends to the outside of the placing box (5) and is fixedly connected with a first sealing plate (4), a handle (3) is fixedly connected to one side of the first sealing plate (4), a label (37) is arranged on one side of the first sealing plate (4), and a transparent window (38) is arranged on one side of the first sealing plate (4).
3. An air filtering device for laboratory development according to claim 1, characterized in that the bottom of the placing box (5) and the bottom of the filtering box (6) are both symmetrically and fixedly connected with two fixed bases (1).
CN202110664587.6A 2021-06-16 2021-06-16 Air filtering device for laboratory development Active CN113457415B (en)

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CN114924043B (en) * 2022-05-26 2024-04-16 江苏广海检验检测有限公司 Air quality detection device based on environmental protection
CN115671915B (en) * 2022-11-15 2023-08-18 铜川秦瀚陶粒有限责任公司 Flue gas treatment device for producing ceramsite propping agent

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