Efficient air purification device for chemical laboratory

Abstract

The utility model relates to an efficient air purification device for a chemical laboratory, which comprises a box body, air inlets are arranged on the periphery of the bottom of the outer wall of the box body, a grid plate is arranged on the surface of each air inlet, and an air outlet is arranged on the top of the box body. A mounting frame, a photocatalyst filter plate, an activated carbon filter assembly, a filter screen and a transmission mechanism are arranged in the box body from top to bottom, a fan is fixedly mounted on the mounting frame, an ultraviolet lamp is arranged on the inner wall of the box body between the photocatalyst filter plate and the activated carbon filter assembly, and a driving mechanism is fixedly mounted on the outer wall of the box body; the output end of the driving mechanism penetrates through the side wall of the box body and is connected with the transmission mechanism, the transmission mechanism is movably connected with a brush plate, the upper end face of the brush plate is in contact with the filter screen, the moving range of the brush plate on the transmission mechanism covers the lower surface of the filter screen, and a dust collection box matched with the moving range of the brush plate is inserted into the bottom of the box body. And a brush plate is arranged to clean the filter screen, so that the filter screen is effectively prevented from being blocked, and the air efficiency is effectively prevented from being reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a high-efficiency air purification device for a chemical laboratory. Background Art

[0002] Various gases will be produced during the experiment. Some of these gases are irritating, while others are toxic. For the health of the experimenters and the protection of the environment, the gases produced in chemical experiments need to be purified.

[0003] After searching, the Chinese patent application number is CN202022976802.X, which discloses an air purification device for a chemical laboratory, including a purification box, a purification structure provided in the purification box, and a detection structure provided in the purification box; wherein, the purification structure includes: a motor, a rotating shaft, a fan, an ion generator, a photocatalyst filter layer, two ultraviolet lamps with the same structure, an activated carbon filter layer, a pre-filter and an air outlet net; the motor is installed on the upper wall of the purification box, the rotating shaft is installed on the motor drive end, the fan is installed on the rotating shaft, and the ion generator is installed on the purification box.

[0004] After long-term use, a large amount of dust will adhere to the front filter of the above-mentioned air purification device, causing the filter holes to be blocked, thereby affecting the efficiency of subsequent air purification. In addition, the device is large in size and inconvenient to move and transport. Therefore, the utility model provides a high-efficiency air purification device for chemical laboratories. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides a high-efficiency air purification device for a chemical laboratory, which solves the problems raised in the above-mentioned background technology.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the utility model provides the following technical solutions: a high-efficiency air purification device for a chemical laboratory, comprising a box body, wherein air inlets are provided on all four sides of the bottom of the outer wall of the box body, a grid plate is installed on the surface of the air inlet, and an air outlet is provided on the top of the box body. The interior of the box body is provided with a mounting frame, a photocatalyst filter plate, an activated carbon filter assembly, a filter screen and a transmission mechanism from top to bottom, a fan is fixedly installed on the mounting frame, an ultraviolet lamp is provided on the inner wall of the box body between the photocatalyst filter plate and the activated carbon filter assembly, a driving mechanism is fixedly installed on the outer wall of the box body, the output end of the driving mechanism is connected to the transmission mechanism through the side wall of the box body, the transmission mechanism is movably connected with a brush plate, the upper end surface of the brush plate contacts the filter screen, the movable range of the brush plate on the transmission mechanism covers the lower surface of the filter screen, and the bottom of the box body is plugged with a dust box matching the movable range of the brush plate.

[0009] Preferably, the activated carbon filter assembly includes a primary activated carbon filter plate and a secondary activated carbon filter plate distributed vertically, and the ultraviolet lamp is located on the inner wall of the box between the photocatalyst filter plate and the primary activated carbon filter plate.

[0010] Preferably, the primary activated carbon filter plate and / or the secondary activated carbon filter plate are installed inside the box in a plug-in manner.

[0011] Preferably, a control panel is fixedly mounted on the front of the box, and the control panel is electrically connected to the fan, the ultraviolet lamp and the driving mechanism.

[0012] Preferably, the transmission mechanism includes a transmission rod and a threaded rod connected to the transmission rod, the transmission rod is connected to the output end of the driving mechanism, and the threaded rod is movably connected to the brush plate.

[0013] Preferably, a guide rod is fixedly installed below the threaded rod, and the guide rod is slidably connected to the brush plate.

[0014] Preferably, a gas detection sensor is provided on the inner wall of the box body near the gas outlet.

[0015] Preferably, universal wheels are fixedly mounted on the bottom of the box.

[0016] Preferably, a brake pad is provided inside the universal wheel.

[0017] Preferably, the driving mechanism is a driving motor.

[0018] (3) Beneficial effects

[0019] Compared with the prior art, the present invention provides a high-efficiency air purification device for chemical laboratories, which has the following beneficial effects:

[0020] The high-efficiency air purification device for chemical laboratories is arranged in coordination with an air inlet, a mesh plate, an air outlet, a mounting frame, a fan, a photocatalyst filter plate, an ultraviolet lamp, an activated carbon filter assembly, and a filter screen. When in use, the fan works, and then air enters the box through the air inlet, and harmful substances in the air are filtered by the activated carbon filter assembly for catalytic degradation, and then the air is sterilized by the ultraviolet lamp, and then the harmful substances in the air are further decomposed by the photocatalyst filter plate and discharged through the air outlet, thereby purifying the air. Compared with the prior art, the high-efficiency air purification device for chemical laboratories of the present invention adds a filter screen to filter the air entering the device first, and the activated carbon filter assembly is arranged above the filter screen. The activated carbon filter assembly is improved and arranged into two layers of a primary activated carbon filter plate and a secondary activated carbon filter plate, so that the air passing through the filter screen passes through the primary activated carbon filter plate and the secondary activated carbon filter plate in turn, achieving secondary activated carbon filtration, which greatly improves the effect of air filtration.

[0021] This high-efficiency air purification device for chemical laboratories utilizes a filter, a drive mechanism, a transmission mechanism, a brush plate, and a dust collection box. During use, the drive mechanism is controlled to drive the transmission mechanism, which in turn drives the brush plate to slide and simultaneously remove dust adhered to the filter, which then falls into the dust collection box. Compared to the prior art, the present high-efficiency air purification device for chemical laboratories incorporates a drive mechanism, a transmission mechanism, a brush plate, and a dust collection box to clean the filter, effectively preventing filter clogging and reduced air efficiency.

[0022] This chemical laboratory uses a high-efficiency air purification device, which can well control the fan, drive mechanism and ultraviolet lamp through the control panel.

[0023] Compared with existing technology, the chemical laboratory uses a high-efficiency air purification device that adds a gas detection sensor to detect whether the air meets emission requirements, thereby improving the air purification effect.

[0024] Compared with the prior art, the high-efficiency air purification device for chemical laboratories is additionally provided with a guide rod, which can be used to support and slide the brush plate to ensure the stability of the brush plate during movement.

[0025] Compared with the existing technology, the high-efficiency air purification device for chemical laboratories has universal wheels added to the bottom of the box, thereby achieving the technical effect of allowing experimenters to move and transport the air purification device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a cross-sectional view of the structure of the utility model.

[0028] In the figure: 1. Box body; 2. Air inlet; 3. Grid plate; 4. Air outlet; 5. Mounting frame; 6. Fan; 7. Photocatalyst filter plate; 8. Ultraviolet lamp; 9. Primary activated carbon filter plate; 10. Secondary activated carbon filter plate; 11. Filter screen; 12. Driving mechanism; 13. Transmission rod; 14. Threaded rod; 15. Brush plate; 16. Dust collection box; 17. Control panel; 18. Guide rod; 19. Gas detection sensor; 20. Universal wheel. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-2 The present invention provides a technical solution: comprising a box body 1, wherein air inlets 2 are provided on all four sides of the bottom of the outer wall of the box body 1, a mesh plate 3 is installed on the surface of the air inlet 2, an air outlet 4 is provided on the top of the box body 1, and a mounting frame 5, a photocatalyst filter plate 7, an activated carbon filter assembly, a filter screen 11 and a transmission mechanism are provided inside the box body 1 from top to bottom; a fan 6 is fixedly installed on the mounting frame 5, and the fan 6 is located in the space above the mounting frame 5; preferably, the activated carbon filter assembly includes a primary activated carbon filter plate 9 and a secondary activated carbon filter plate 10 distributed vertically, and the ultraviolet lamp 8 is located on the inner wall of the box body 1 between the photocatalyst filter plate 7 and the primary activated carbon filter plate 9. In a specific implementation, the primary activated carbon filter plate 9 and the secondary activated carbon filter plate 10 are installed in the box body 1 in a plug-in manner, and the primary activated carbon filter plate 9 and the secondary activated carbon filter plate 10 can be replaced when needed. At this time, the box body 1 can be provided with a normally closed side door, which can be opened for maintenance when needed.

[0031] A drive mechanism 12 is fixedly mounted on the outer wall of the housing 1, and the drive mechanism may be a drive motor. The output end of the drive mechanism 12 passes through the side wall of the housing 1 and is connected to the internal transmission mechanism. Preferably, the transmission mechanism includes a transmission rod 13 and a threaded rod 14 connected to the transmission rod 13. The transmission rod 13 is connected to the output end of the drive mechanism 12, and the threaded rod 14 is threadedly connected to a brush plate 15. The upper end surface of the brush plate 15 contacts the filter 11, and the range of movement of the brush plate 15 on the transmission mechanism covers the lower surface of the filter 11. A dust box 16 that matches the range of movement of the brush plate 15 is plugged into the bottom of the housing 1. The dust box 16 is installed in a plug-in manner, which makes it easy to pull out the dust box 16 to clean the collected debris.

[0032] During the specific implementation process, a control panel 17 is fixedly installed on the front of the box body 1 , and the control panel 17 is electrically connected to the fan 6 , the ultraviolet lamp 8 and the driving mechanism 12 .

[0033] During the specific implementation process, a guide rod 18 is fixedly installed below the threaded rod 14 , and the guide rod 18 is slidably connected to the brush plate 15 .

[0034] During specific operation, based on the coordinated arrangement of the filter 11, the driving mechanism 12, the transmission rod 13, the threaded rod 14, the brush plate 15, the dust box 16, the control panel 17 and the guide rod 18, the control panel 17 is used to control the driving motor 12 to drive the transmission rod 13 and the threaded rod 14 to rotate, thereby driving the brush plate 15 to slide along the surface of the guide rod 18 while brushing off the dust attached to the filter 11, and then making the brushed dust fall into the dust box 16, thereby effectively preventing the filter from being blocked and causing reduced air efficiency.

[0035] The guide rod 18 is slidably connected to the brush plate 15. A gas detection sensor 19 is provided on the inner wall of the box body 1 on the other side of the mounting bracket 5. Through the coordinated arrangement of the air inlet 2, the grid plate 3, the air outlet 4, the mounting bracket 5, the fan 6, the photocatalyst filter plate 7, the ultraviolet lamp 8, the first-level activated carbon filter plate 9, the second-level activated carbon filter plate 10, the filter screen 11, the control panel 17 and the gas detection sensor 19, the fan 6 is controlled by the control panel 17 during use, and then the air enters the box body 1 through the air inlet 2, and the harmful substances in the air are filtered and degraded by the first and second-level activated carbon filter plates, and then the air is sterilized by the ultraviolet lamp 8, and then the harmful substances in the air are further decomposed by the photocatalyst filter plate 7, and then the air is detected by the gas detection sensor 19 to see whether it meets the emission requirements, and is discharged through the air outlet 4, thereby purifying the air.

[0036] A universal wheel 20 is fixedly mounted on the bottom of the box body 1, and a brake pad is provided inside the universal wheel 20. By providing the universal wheel 20, the experimenter can move and transport the air purification device.

[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency air purification device for a chemical laboratory, comprising a housing (1), characterized in that: Air inlets (2) are provided on all four sides of the bottom of the outer wall of the box (1), and a mesh plate (3) is installed on the surface of the air inlet (2). An air outlet (4) is provided on the top of the box (1). The interior of the box (1) is provided with a mounting frame (5), a photocatalyst filter plate (7), an activated carbon filter assembly, a filter screen (11) and a transmission mechanism from top to bottom. A fan (6) is fixedly installed on the mounting frame (5), and an ultraviolet lamp is provided on the inner wall of the box (1) between the photocatalyst filter plate (7) and the activated carbon filter assembly. (8), a driving mechanism (12) is fixedly mounted on the outer wall of the box (1), an output end of the driving mechanism (12) passes through the side wall of the box (1) and is connected to the transmission mechanism, the transmission mechanism is movably connected to a brush plate (15), the upper end surface of the brush plate (15) is in contact with the filter (11), the movable range of the brush plate (15) on the transmission mechanism covers the lower surface of the filter (11), and a dust box (16) matching the movable range of the brush plate (15) is plugged into the bottom of the box (1).

2. A high-efficiency air purification device for chemical laboratories according to claim 1, characterized in that: The activated carbon filter assembly comprises a primary activated carbon filter plate (9) and a secondary activated carbon filter plate (10) arranged vertically, and the ultraviolet lamp (8) is located on the inner wall of the box (1) between the photocatalyst filter plate (7) and the primary activated carbon filter plate (9).

3. A high-efficiency air purification device for chemical laboratories according to claim 2, characterized in that: The primary activated carbon filter plate (9) and / or the secondary activated carbon filter plate (10) are installed inside the box (1) in a plug-in manner.

4. The high-efficiency air purification device for chemical laboratories according to claim 1, characterized in that: A control panel (17) is fixedly mounted on the front of the box (1), and the control panel (17) is electrically connected to the fan (6), the ultraviolet lamp (8), and the driving mechanism (12).

5. The high-efficiency air purification device for chemical laboratories according to claim 1, characterized in that: The transmission mechanism comprises a transmission rod (13) and a threaded rod (14) connected to the transmission rod (13), the transmission rod (13) being connected to the output end of the driving mechanism (12), and the threaded rod (14) being movably connected to the brush plate (15).

6. A high-efficiency air purification device for chemical laboratories according to claim 5, characterized in that: A guide rod (18) is fixedly mounted below the threaded rod (14), and the guide rod (18) is slidably connected to the brush plate (15).

7. A high-efficiency air purification device for chemical laboratories according to any one of claims 1 to 6, characterized in that: Inside the box (1), a gas detection sensor (19) is provided on the inner wall near the gas outlet (4).

8. A high-efficiency air purification device for chemical laboratories according to any one of claims 1 to 6, characterized in that: A universal wheel (20) is fixedly mounted on the bottom of the box (1).

9. A high-efficiency air purification device for chemical laboratories according to claim 8, characterized in that: A brake pad is provided inside the universal wheel (20).

10. A high-efficiency air purification device for chemical laboratories according to any one of claims 1 to 6, characterized in that: The driving mechanism (12) is a driving motor.

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