Air filtering device

By introducing cleaning, recycling, and drying components into the air filtration device, the problem of difficult-to-clean filtration devices is solved, achieving efficient cleaning and resource recovery, reducing cleaning costs, and quickly restoring purification capacity.

CN224009358UActive Publication Date: 2026-03-20WEIAO PHARM (SICHUAN) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing air filtration devices in pharmaceutical plants are difficult to clean efficiently after prolonged use, resulting in a decline in purification effectiveness, and the cleaning process is time-consuming and labor-intensive.

Method used

An air filtration device was designed, comprising a cleaning component, a recycling component, and a drying component. Clean water is pumped in by a booster pump and air is mixed using a venturi mixer. Combined with recycling filtration and drying processes, automated cleaning and resource recovery are achieved.

Benefits of technology

It achieves efficient cleaning of the filter canister, saves resources, reduces costs, and can quickly restore the purification capacity of the filtration device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of air filtration. The air filtering device comprises a supporting frame, a plurality of filtering tanks used for filtering air are evenly arranged on the supporting frame, a cleaning assembly is arranged on one side of the supporting frame and comprises a water storage tank, and a booster pump is arranged on one side of the water storage tank in a communicating mode. The water outlet end of the booster pump communicates with a water feeding pipe, an auxiliary cleaning assembly used for improving the cleaning effect is arranged on the supporting frame, and a recycling assembly used for recycling cleaning wastewater is arranged on the other side of the supporting frame. The device has the advantages that clean water in the water storage tank is pumped into the water feeding pipe by the booster pump so as to clean the filtering tank, the cleaned water flows towards the bottom of the filtering tank and is finally discharged, the waste water after cleaning can be filtered by the recycling assembly, so that the waste water is recycled, the filtering tank can be cleaned again by the waste water, and the waste water recycling efficiency is improved. Resources are saved and the cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air filter technical field, especially an air filter device. BACKGROUND

[0002] In the production process of pharmaceutical factory, a large amount of dust will gather in the factory building, and waste gas may be produced in the production process, so the air purification device used by the pharmaceutical factory can not only eliminate harmful gas in the pharmaceutical factory, but also needs to purify and filter the air environment of the pharmaceutical factory, so that the pharmaceutical workers can have a better working environment in the pharmaceutical process.

[0003] The filter device needs to be cleaned regularly after long-term use, and a lot of time and effort is wasted to disassemble and clean the equipment during cleaning, and good cleaning effect is difficult to achieve, thereby affecting the subsequent purification effect of the equipment. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the application provides an air filter device.

[0005] The air filter device provided by the application adopts the following technical scheme:

[0006] An air filter device comprises a support frame, a plurality of filter tanks for filtering air are uniformly arranged on the support frame, the plurality of filter tanks are connected in communication through conveying pipes, a cleaning assembly for cleaning the filter tanks is arranged on one side of the support frame, the cleaning assembly comprises a water storage tank, a booster pump is connected in communication on one side of the water storage tank, a water outlet end of the booster pump is connected in communication with a water inlet pipe, one end of the water inlet pipe away from the booster pump is connected in communication with the top of each filter tank, an auxiliary cleaning assembly for improving the cleaning effect is arranged on the support frame, and a recovery assembly for recovering the cleaning wastewater is arranged on the other side of the support frame.

[0007] By adopting the above technical scheme, when the filter tank needs to be cleaned, the booster pump is started, the booster pump pumps the cleaning water in the water storage tank into the water inlet pipe, and then the cleaning water flows into the filter tank from the top of the filter tank along the water inlet pipe to clean the filter tank. The cleaned water flows to the bottom of the filter tank under the action of gravity and is finally discharged, the recovery assembly can filter the cleaned wastewater, thereby recovering the wastewater, so that the wastewater can clean the filter tank again, saving resources and reducing cost.

[0008] Optionally, the auxiliary cleaning assembly comprises a plurality of Venturi mixers, the plurality of Venturi mixers correspond to the plurality of filter tanks one by one, one end of the Venturi mixer is in communication with the top of the filter tank, the other end is in communication with the upper water pipe, one side of the support frame is provided with an air pump, the output end of the air pump is in communication with an air pipe, and the air pipe is in communication with the suction end of the plurality of Venturi mixers.

[0009] By adopting the above technical scheme, the cleaning water will enter the filter tank after passing through the Venturi mixer. When the cleaning water passes through the Venturi mixer, it will suck in the external air through the suction end, so as to mix with the cleaning water in the Venturi mixer, and then enter the filter tank. After the cleaning water is mixed with the air, bubble water is formed, so that the filter tank can be better cleaned.

[0010] Optionally, the recovery assembly comprises a recovery filter box, the installation height of the recovery filter box is higher than that of the water storage tank, one end of the top of the recovery filter box is in communication with a liquid recovery pipe, the other end of the liquid recovery pipe is in communication with the bottom of the plurality of filter tanks, the other end of the recovery filter box is in communication with a liquid discharge pipe, the other end of the liquid discharge pipe is in communication with the top of the water storage tank, and the inside of the recovery filter box is uniformly provided with a plurality of filter plates.

[0011] By adopting the above technical scheme, when the cleaning water is cleaned in the filter tank, it will enter the recovery filter box through the liquid recovery pipe, and then pass through the plurality of filter plates. The plurality of filter plates can filter the cleaning water, so that the impurities in the cleaning water are blocked. The filtered cleaning water will be discharged into the water storage tank through the liquid discharge pipe, so as to be reused.

[0012] Optionally, one side of the support frame is further provided with a drying assembly for drying the cleaned filter tank, the drying assembly comprises a heating cylinder, the inside of the heating cylinder is uniformly provided with a plurality of electric heating fins, one end of the heating cylinder is provided with a blower, and the other end is in communication with a drying hot air pipe, the top of the filter tank is in communication with a three-way pipe, the other end of the three-way pipe is in communication with the Venturi mixer, and the other end of the three-way pipe is connected with the drying hot air pipe.

[0013] By adopting the above technical scheme, the electric heating fins can heat the air, and the blower blows hot air into the filter tank, so as to dry the cleaned filter tank.

[0014] Optionally, a sewage pump is arranged on the recovery filter box, the water inlet end of the sewage pump is in communication with the liquid recovery pipe, and the outlet end of the sewage pump is in communication with the recovery filter box.

[0015] By adopting the technical scheme, when the cleaning water is used to clean the filter tank, the sewage pump is started, sewage in the filter tank is pumped into the liquid discharge pipe during rotation of the sewage pump, and the sewage is discharged into the recovery filter box through the liquid discharge pipe, so that the sewage in the filter tank is discharged quickly.

[0016] Optionally, the drying hot air pipe is provided with a first check valve in communication, and the air pipe is provided with a second check valve in communication.

[0017] By adopting the technical scheme, the first check valve can prevent the cleaning water from entering the drying hot air pipe, and the second check valve can prevent the cleaning water from entering the air pump.

[0018] Optionally, the upper water pipe is provided with a liquid inlet valve, and the liquid discharge pipe is provided with a liquid discharge valve in communication.

[0019] By adopting the technical scheme, after the liquid inlet valve and the liquid discharge valve are opened, the cleaning water can enter the filter tank through the upper water pipe, and the sewage after cleaning the filter tank can be discharged into the recovery filter box through the liquid discharge pipe; when the filter tank is used to fix air, the liquid inlet valve and the liquid discharge valve are closed, so that the cleaning water does not affect the normal work of the filter tank.

[0020] Optionally, the top of the water storage tank is provided with a liquid filling bucket in communication, the sidewall of the water storage tank is provided with an observation window, and the inside of the water storage tank is provided with an electric heating wire.

[0021] By adopting the technical scheme, the staff electrifies the electric heating wire, so as to heat the cleaning water in the water storage tank, thereby improving the cleaning effect of the filter tank, and the staff can observe the water level in the water storage tank through the observation window.

[0022] The utility model has the following advantages:

[0023] 1. By setting the cleaning assembly and the recovery assembly, the booster pump pumps the cleaning water in the water storage tank into the upper water pipe to clean the filter tank, the cleaned water flows to the bottom of the filter tank under the action of gravity and is finally discharged, the recovery assembly can filter the cleaned waste water, thereby recovering the waste water, so that the waste water can clean the filter tank again, saving resources and reducing costs.

[0024] 2. By setting the auxiliary cleaning assembly, air is mixed with cleaning water in the venturi mixer and then enters the filter tank, the cleaning water is mixed with air to form bubble water, thereby better cleaning the filter tank.

[0025] 3. By setting the drying assembly, the electric heating fin can heat air, and the air blower blows hot air into the filter tank, thereby drying the cleaned filter tank, so that the filter tank can quickly recover production. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the whole structure schematic view of the utility model;

[0027] Figure 2 It is the structure schematic view inside the water storage tank and the recovery filter tank of the utility model;

[0028] Figure 3 It is the installation structure schematic view of the drying assembly of the utility model;

[0029] Figure 4 It is the installation structure schematic view of the electric heating fin of the utility model;

[0030] In the figure: 1, support frame;11, filter tank;12, conveying pipe;2, cleaning assembly;21, water storage tank;22, booster pump;23, water inlet pipe;3, auxiliary cleaning assembly;31, venturi mixer;32, air pump;33, air pipe;4, recovery assembly;41, recovery filter tank;42, liquid recovery pipe;43, liquid discharge pipe;44, filter plate;5, drying assembly;51, heating cylinder;52, electric heating fin;53, air blower;54, drying hot air pipe;55, tee;56, first check valve;6, sewage pump;61, liquid inlet valve;62, liquid discharge valve;63, liquid injection bucket;64, observation window;65, electric heating wire;66, second check valve. DETAILED DESCRIPTION

[0031] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0032] As Figures 1 to 4As shown, an air filtration device includes a support frame 1, on which multiple filter canisters 11 for filtering air are evenly installed. The multiple filter canisters 11 are connected in series via delivery pipes 12. A cleaning assembly 2 for cleaning the filter canisters 11 is installed on one side of the support frame 1. The cleaning assembly 2 includes a water storage tank 21, on one side of which a booster pump 22 is connected. A water inlet pipe 23 is connected to the outlet of the booster pump 22, and the end of the water inlet pipe 23 away from the booster pump 22 is connected to the top of each of the multiple filter canisters 11. An auxiliary cleaning assembly 3 for improving the cleaning effect is installed on the support frame 1, and a recycling assembly 4 for recycling cleaning wastewater is installed on the other side of the support frame 1. The filter canisters 11 can filter dust from the air, thereby outputting relatively clean air. The air filtration effect is improved by connecting multiple filter canisters 11 in series. After a certain period of use, the air filtration effect of the filter canisters 11 will weaken, so the filter canisters 11 need to be cleaned. When the filter canisters 11 need to be cleaned, the booster pump 22 is started. The booster pump 22 pumps the clean water in the water storage tank 21 into the water inlet pipe 23, and then pours it into the filter canisters 11 from the top of the filter canisters 11 through the water inlet pipe 23 to clean the filter canisters 11. The cleaned water flows to the bottom of the filter canisters 11 under the action of gravity and is finally discharged. During cleaning, the auxiliary cleaning component 3 improves the cleaning effect of the filter canisters 11, and the recycling component 4 can filter the wastewater after cleaning, thereby recycling the wastewater and allowing the wastewater to be used to clean the filter canisters 11 again, saving resources and reducing costs.

[0033] like Figures 1 to 4 As shown, the auxiliary cleaning component 3 includes multiple Venturi mixers 31. Since the Venturi mixer 31 is existing technology, its specific components will not be described in detail in this embodiment. Each Venturi mixer 31 corresponds to one of multiple filter canisters 11, with one end of each mixer 31 connected to the top of the filter canister 11 and the other end connected to the water inlet pipe 23. An air pump 32 is installed on one side of the support frame 1, and an air pipe 33 is connected to the output end of the air pump 32. The air pipe 33 is connected to the suction end of each of the multiple Venturi mixers 31. In use, when cleaning water passes through the upper... When the water pipe 23 rinses the filter canister 11, the cleaning water will pass through the Venturi mixer 31 and then enter the filter canister 11. When the cleaning water passes through the Venturi mixer 31, it will draw in outside air through its own suction end, thereby mixing with the cleaning water inside the Venturi mixer 31 before entering the filter canister 11. The cleaning water and air mix to form aerated water, which can better clean the filter canister 11. The air pump 32 is started, and the air pump 32 compresses the air and pumps it into the Venturi mixer 31, thereby increasing the amount of air entering the Venturi mixer 31 and improving the cleaning effect on the filter canister 11.

[0034] As shown in Figures 1 to 4 , the recovery assembly 4 comprises a recovery filter box 41, the installation height of the recovery filter box 41 is higher than that of the water storage tank 21, one end of the top of the recovery filter box 41 is communicated and installed with a liquid recovery pipe 42, the other end of the liquid recovery pipe 42 is respectively communicated with the bottom of the plurality of filter cans 11, the other end of the recovery filter box 41 is communicated and installed with a liquid discharge pipe 43, the other end of the liquid discharge pipe 43 is communicated with the top of the water storage tank 21, and the inside of the recovery filter box 41 is uniformly installed with a plurality of filter plates 44; in use, after the cleaning water cleans the filter cans 11, the cleaning water enters the recovery filter box 41 through the liquid recovery pipe 42, and then passes through the plurality of filter plates 44, the plurality of filter plates 44 can filter the cleaning water, so that the impurities in the cleaning water are blocked, and the filtered cleaning water is discharged into the water storage tank 21 through the liquid discharge pipe 43, so as to be reused.

[0035] As shown in Figures 1 to 4 , one side of the support frame 1 is also installed with a drying assembly 5 for drying the cleaned filter cans 11, the drying assembly 5 comprises a heating cylinder 51, the inside of the heating cylinder 51 is uniformly installed with a plurality of electric heating fins 52, one end of the heating cylinder 51 is installed with a blower 53, the other end of the heating cylinder 51 is communicated and installed with a drying hot gas pipe 54, the top of the filter can 11 is communicated and installed with a tee joint 55, the other end of the tee joint 55 is communicated with the Venturi mixer 31, and the other end of the tee joint 55 is connected with the drying hot gas pipe 54; after the cleaning water is used to clean the filter cans 11, in order to facilitate the filter cans 11 to be quickly recovered for use, the electric heating fins 52 in the heating cylinder 51 are electrified, and the blower 53 is started at the same time, the electric heating fins 52 generate heat, the blower 53 pumps the air outside into the heating cylinder 51, the air exchanges heat with the electric heating fins 52 in the heating cylinder 51, so that the air is heated and then enters the filter cans 11 through the tee joint 55, thereby drying the filter material in the filter cans 11, and further making the filter cans 11 be quickly recovered for use after being cleaned.

[0036] As shown in Figures 1 to 4 , the recovery filter box 41 is installed with a sewage pump 6, the water inlet end of the sewage pump 6 is communicated with the liquid recovery pipe 42, and the outlet end of the sewage pump 6 is communicated with the recovery filter box 41; in use, after the cleaning water is used to clean the filter cans 11, the sewage pump 6 is started, and in the process of rotating, the sewage pump 6 pumps the sewage in the filter cans 11 into the liquid discharge pipe 43, and the sewage enters the recovery filter box 41 through the liquid discharge pipe 43, thereby accelerating the discharge of the sewage in the filter cans 11.

[0037] As shown in Figures 1 to 4As shown, the first check valve 56 is installed on the drying hot air pipe 54, and the second check valve 66 is installed on the air pipe 33. When the cleaning assembly 2 is used to clean the filter material in the filter tank 11, the first check valve 56 can prevent the cleaning water from entering the drying hot air pipe 54, and the second check valve 66 can prevent the cleaning water from entering the air pump 32. When the filter material in the filter tank 11 needs to be dried, the hot air can enter the filter tank 11 after passing through the drying hot air pipe 54 and the check valve. When the filter tank 11 needs to be cleaned, the compressed air generated by the air pump 32 can enter the Venturi mixer 31.

[0038] As shown in the drawings, Figures 1 to 4 The upper liquid valve 61 is installed on the upper water pipe 23, and the liquid discharge valve 62 is installed on the liquid discharge pipe 43. When the filter tank 11 needs to be cleaned, the upper liquid valve 61 and the liquid discharge valve 62 are opened, so that the cleaning water can enter the filter tank 11 through the upper water pipe 23, and the sewage after cleaning the filter tank 11 can be discharged into the recovery filter box 41 through the liquid discharge pipe 43. When the filter tank 11 is used to fix the air, the upper liquid valve 61 and the liquid discharge valve 62 are closed, so that the cleaning water does not affect the normal work of the filter tank 11.

[0039] As shown in the drawings, Figures 1 to 4 The top of the water storage tank 21 is connected and installed with a liquid filling bucket 63, the sidewall of the water storage tank 21 is installed with an observation window 64, and the inside of the water storage tank 21 is installed with an electric heating wire 65. In use, the electric heating wire 65 is powered to heat the cleaning water in the water storage tank 21, thereby improving the cleaning effect of the filter tank 11. The worker can observe the water level in the water storage tank 21 through the observation window 64 to prompt whether the worker needs to add cleaning water to the water storage tank 21. When it is necessary to add cleaning water to the water storage tank 21, the cleaning water is poured into the water storage tank 21 through the liquid filling bucket 63. In order to improve the cleaning effect of the filter tank 11, the worker can add cleaning agent to the water storage tank 21 through the liquid filling bucket 63, thereby improving the cleaning effect of the cleaning water on the filter material in the filter tank 11.

[0040] The implementation principle of the embodiment is that when the filter tank 11 needs to be cleaned, the booster pump 22 is started, the cleaning water in the water storage tank 21 is pumped into the upper water pipe 23, and then flows into the filter tank 11 from the top of the filter tank 11 along the upper water pipe 23 to clean the filter tank 11. The cleaned water flows to the bottom of the filter tank 11 under the action of gravity and is finally discharged. The recovery assembly 4 can filter the waste water after cleaning, thereby recovering the waste water, so that the waste water can be used to clean the filter tank 11 again, saving resources and reducing costs.

[0041] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in any form. Any person skilled in the art, without departing from the technical scheme of the present application, can make many possible changes and modifications to the technical scheme of the present application, or modify equivalent embodiments with equivalent changes. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technical scheme of the present application, without departing from the technical scheme of the present application, all belong to the protection scope of the present technical scheme.

Claims

1. An air filtration device, characterized in that: The system includes a support frame (1), on which multiple filter canisters (11) for filtering air are evenly arranged. The multiple filter canisters (11) are connected to each other through a delivery pipe (12). A cleaning component (2) for cleaning the filter canisters (11) is provided on one side of the support frame (1). The cleaning component (2) includes a water storage tank (21). A booster pump (22) is connected to one side of the water storage tank (21). A water supply pipe (23) is connected to the outlet end of the booster pump (22). The end of the water supply pipe (23) away from the booster pump (22) is connected to the top of the multiple filter canisters (11). An auxiliary cleaning component (3) for improving the cleaning effect is provided on the support frame (1). A recycling component (4) for recycling cleaning wastewater is provided on the other side of the support frame (1).

2. An air filtration device according to claim 1, characterized in that: The auxiliary cleaning component (3) includes multiple Venturi mixers (31), each of which corresponds to a multiple filter canisters (11). One end of each Venturi mixer (31) is connected to the top of the filter canister (11), and the other end is connected to the water inlet pipe (23). An air pump (32) is provided on one side of the support frame (1). An air pipe (33) is provided at the output end of the air pump (32). The air pipe (33) is connected to the suction end of each of the multiple Venturi mixers (31).

3. An air filtration device according to claim 2, characterized in that: The recycling component (4) includes a recycling filter box (41), the installation height of which is higher than that of the water storage tank (21). One end of the top of the recycling filter box (41) is connected to a liquid recycling pipe (42), and the other end of the liquid recycling pipe (42) is connected to the bottom of a plurality of filter tanks (11). The other end of the recycling filter box (41) is connected to a drain pipe (43), and the other end of the drain pipe (43) is connected to the top of the water storage tank (21). A plurality of filter plates (44) are uniformly arranged inside the recycling filter box (41).

4. An air filtration device according to claim 2, characterized in that: A drying assembly (5) for drying the cleaned filter tank (11) is also provided on one side of the support frame (1). The drying assembly (5) includes a heating cylinder (51). Multiple electric heating fins (52) are evenly arranged inside the heating cylinder (51). A blower (53) is provided at one end of the heating cylinder (51), and a drying hot air pipe (54) is connected to the other end. A tee (55) is connected to the top of the filter tank (11). The other end of the tee (55) is connected to the Venturi mixer (31), and the other end of the tee (55) is connected to the drying hot air pipe (54).

5. An air filtration device according to claim 3, characterized in that: The recycling filter box (41) is equipped with a sewage pump (6), the inlet end of the sewage pump (6) is connected to the liquid recycling pipe (42), and the outlet end of the sewage pump (6) is connected to the recycling filter box (41).

6. An air filtration device according to claim 4, characterized in that: A first check valve (56) is connected to the drying hot air pipe (54), and a second check valve (66) is connected to the air pipe (33).

7. An air filtration device according to claim 3, characterized in that: A liquid inlet valve (61) is provided on the water inlet pipe (23), and a liquid outlet valve (62) is connected to the liquid outlet pipe (43).

8. An air filtration device according to claim 1, characterized in that: The top of the water storage tank (21) is connected to an injection hopper (63), the side wall of the water storage tank (21) is provided with an observation window (64), and the interior of the water storage tank (21) is provided with an electric heating wire (65).