Biological filter for water treatment

By introducing a blower and purification box system into the biological filter, and using biological filter media and activated carbon media to filter harmful gases generated during aeration multiple times, the problem of harmful gas diffusion is solved, thus achieving environmental protection and health protection.

CN223766193UActive Publication Date: 2026-01-06GUANGZHOU ZHENDA ENG EQUIP CO LTD
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Patent Information

Application Number
CN202520125669.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-18
Publication Date
2026-01-06
Estimated Expiration
2035-01-18

AI Technical Summary

Technical Problem

Harmful gases generated during the aeration process of traditional biological filters diffuse into the atmosphere, polluting the environment and affecting the health of workers.

Method used

Design a biofilter system with a fan and a purification chamber. Harmful gases are introduced into the purification chamber through an exhaust pipe and pipeline, and then discharged after multiple filtrations using biological filter media and activated carbon media.

Benefits of technology

It effectively captures and purifies harmful gases, preventing them from spreading into the atmosphere and protecting the environment and the health of workers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a biological filter for water treatment, which comprises an aeration tank, the top of the aeration tank is fixedly connected with a tank cover, the tops of two ends of the tank cover are fixedly connected with two groups of symmetrically arranged connecting frames, a first pipeline is fixedly arranged between each group of connecting frames, and the bottom of the first pipeline is communicated with a plurality of exhaust pipes; one end of the first pipeline communicates with a three-way pipe, one end of the three-way pipe communicates with a second pipeline, one end of the second pipeline communicates with a fan, the output end of the fan communicates with a purification box, a partition plate is fixedly connected to the interior of the purification box, and the purification box is divided into a first cavity and a second cavity through the partition plate; the bottom of the interior of the first cavity is fixedly connected with an L-shaped filter plate, and the output end of the fan is arranged on the inner side of the L-shaped filter plate, the problems that harmful gas is diffused in the atmosphere, environment pollution is caused, and the working environment of a water treatment factory is affected are solved, and the body health of workers is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field, concretely is a biological filter for water treatment. BACKGROUND

[0002] The biological filter technology is a sewage treatment technology using microorganism to degrade organic pollutants, and has the advantages of good treatment effect, low energy consumption and simple operation, and is suitable for treating domestic sewage and industrial wastewater.

[0003] At present, the aeration work of the traditional biological filter is usually carried out in the open air, and the harmful gas generated in the aeration process will diffuse in the atmosphere, which not only causes environmental pollution, but also affects the working environment of the water treatment plant and causes damage to the health of the workers. UTILITARIAN CONTENT

[0004] The utility model aims at providing a biological filter for water treatment to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a biological filter for water treatment, comprising an aeration tank, the top of the aeration tank is fixedly connected with a tank cover, the top of both ends of the tank cover is fixedly connected with two groups of symmetrically arranged connecting frames, a first pipeline is fixedly installed between each group of connecting frames, a plurality of suction pipes are communicated with the bottom of the first pipeline, a gas collecting hood is communicated with the bottom of each of the plurality of suction pipes, a tee pipe is communicated with one end of the first pipeline, a second pipeline is communicated with one end of the tee pipe, a fan is communicated with one end of the second pipeline, and a purification box is communicated with the output end of the fan.

[0006] As a further preferred embodiment of the present technical solution, a partition is fixedly connected inside the purification box, the partition divides the purification box into a first chamber and a second chamber, an L-shaped filter plate is fixedly connected to the bottom inside the first chamber, the output end of the fan is arranged on the inner side of the L-shaped filter plate, and biological filtration filler is filled inside the first chamber.

[0007] As a further preferred embodiment of the present technical solution, a through groove is formed in the bottom of the partition, a first filter screen is fixedly connected inside the through groove, a clamping groove is formed at the position where one side of the partition is opposite to the inner wall of the second chamber, and two connecting frames are arranged inside the second chamber.

[0008] As a further preferred embodiment of the present technical solution, a second filter screen is fixedly connected to the bottom inside the connecting frame, activated carbon filler is filled inside the connecting frame, two symmetrically arranged first connecting grooves are formed in the top of the connecting frame, a second connecting groove is formed in each side of the connecting frame, a clamping block is arranged inside the second connecting groove, and the clamping block is arranged inside the adjacent clamping groove.

[0009] As a further preferred of the technical solution, the top of the clamping block is fixedly connected with a lever, the first connecting groove is communicated with the second connecting groove, the lever is arranged in the first connecting groove, one side of the clamping block is fixedly connected with a spring, and one end of the spring is fixedly connected in the second connecting groove.

[0010] As a further preferred of the technical solution, the top of the purification box is fixedly connected with a box cover, one end of the box cover is fixedly connected with an air outlet, and the air outlet is communicated with the second chamber.

[0011] As a further preferred of the technical solution, the bottom of one side of the aeration tank is communicated with a water inlet pipe and an aeration pipe.

[0012] The utility model provides a biological filter for water treatment has the following beneficial effects: the fan set up in the utility model can extract harmful gas in aeration tank, harmful gas is filtered and purified repeatedly by purification box, and the clean gas is discharged into the atmosphere, solves the problem that harmful gas spreads in the atmosphere, causes the pollution of environment, and influences the working environment of water treatment plant, guarantees the health of staff. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is whole structure schematic diagram of the utility model;

[0014] Figure 2 It is first pipeline structure schematic diagram of the utility model;

[0015] Figure 3 It is purification box structure schematic diagram of the utility model;

[0016] Figure 4 It is L type filter plate structure schematic diagram of the utility model;

[0017] Figure 5 It is connecting frame structure schematic diagram of the utility model.

[0018] In the drawing: 1, aeration tank;2, water inlet pipe;3, aeration pipe;4, tank cover;5, connecting frame;6, first pipeline;7, air extraction pipe;8, three-way pipe;9, second pipeline;10, fan;11, purification box;12, gas collecting cover;13, first chamber;14, second chamber;15, L type filter plate;16, biological filtration filler;17, baffle;18, first filter screen;19, clamping groove;20, connecting frame;21, box cover;22, air outlet;23, first connecting groove;24, second connecting groove;25, clamping block;26, lever;27, spring;28, second filter screen. DETAILED DESCRIPTION

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0020] This utility model provides a technical solution: such as Figure 1 and Figure 2 As shown in this embodiment, a biological filter for water treatment includes an aeration tank 1. A tank cover 4 is fixedly connected to the top of the aeration tank 1. Two sets of symmetrically arranged connecting frames 5 are fixedly connected to the top of both ends of the tank cover 4. A first pipe 6 is fixedly installed between each set of connecting frames 5. Several air extraction pipes 7 are connected to the bottom of the first pipe 6. An air collection hood 12 is connected to the bottom of each of the several air extraction pipes 7. A T-connector 8 is connected to one end of the first pipe 6. A second pipe 9 is connected to one end of the T-connector 8. A blower 10 is connected to one end of the second pipe 9. A purification box 11 is connected to the output end of the blower 10.

[0021] The bottom of one side of the aeration tank 1 is connected to an inlet pipe 2 and an aeration pipe 3. The inlet pipe 2 is used to discharge sewage into the aeration tank 1, while the aeration pipe 3 is used to provide sufficient oxygen to the sewage to accelerate the degradation process of organic and inorganic pollutants in the sewage.

[0022] After the blower 10 is started, the harmful gases generated in the aeration tank 1 gather at the gas collection hood 12 and are drawn out by the exhaust pipe 7, so that the harmful gases enter the first pipe 6, then enter the second pipe 9 through the three-way pipe 8, and are finally guided by the blower 10 to the purification box 11 for filtration and purification, so as to prevent the harmful gases from being directly discharged into the atmosphere and causing environmental pollution.

[0023] like Figure 3 and Figure 4 As shown, a partition 17 is fixedly connected inside the purification chamber 11, dividing the purification chamber 11 into a first chamber 13 and a second chamber 14. An L-shaped filter plate 15 is fixedly connected to the bottom inside the first chamber 13. The output end of the fan 10 is located inside the L-shaped filter plate 15. The first chamber 13 is filled with biological filter media 16. The L-shaped filter plate 15 is used to block the biological filter media 16 to prevent it from clogging the output end of the fan 10 and to allow harmful gases to come into contact with the biological filter media 16.

[0024] A through groove is provided at the bottom of the partition 17, and a first filter screen 18 is fixedly connected inside the through groove. A slot 19 is provided on one side of the partition 17 opposite to the inner wall of the second chamber 14. Two connecting frames 20 are provided inside the second chamber 14. The first filter screen 18 can prevent the biological filter media 16 from entering the interior of the second chamber 14. The harmful gases that have been filtered and purified by the biological filter media 16 enter the second chamber 14 through the first filter screen 18 for secondary filtration.

[0025] The top of the purification box 11 is fixedly connected with a box cover 21, one end of the box cover 21 is fixedly connected with an air outlet 22, the air outlet 22 is communicated with the second chamber 14, and the purified gas rises to the top of the second chamber 14 and is discharged from the air outlet 22.

[0026] As shown in Figure 3 and Figure 5 , the bottom of the inside of the connecting frame 20 is fixedly connected with a second filter screen 28, the second filter screen 28 is used for blocking the activated carbon filler and preventing it from falling from the inside of the connecting frame 20, and the harmful gas can contact the activated carbon filler through the second filter screen 28 to perform the filtering work, the inside of the connecting frame 20 is filled with the activated carbon filler, the top of the connecting frame 20 is provided with two symmetrical first connecting grooves 23, and the two sides of the connecting frame 20 are provided with second connecting grooves 24, the inside of the second connecting grooves 24 is provided with clamping blocks 25, and the clamping blocks 25 are arranged in the inside of the adjacent clamping grooves 19.

[0027] The top of the clamping block 25 is fixedly connected with a push rod 26, the first connecting groove 23 is communicated with the second connecting groove 24, the push rod 26 is arranged in the inside of the first connecting groove 23, one side of the clamping block 25 is fixedly connected with a spring 27, one end of the spring 27 is fixedly connected to the inside of the second connecting groove 24, when the connecting frame 20 is installed, the push rod 26 can be pushed to drive the clamping block 25 to compress the spring 27, the clamping block 25 is retracted into the second connecting groove 24, then the connecting frame 20 is placed in place, the second connecting groove 24 is aligned with the clamping groove 19, the push rod 26 is loosened, and the clamping block 25 can be clamped into the inside of the clamping groove 19 under the action of the spring 27, and the design is beneficial to the replacement of the activated carbon filler by the worker in the subsequent use process.

[0028] The utility model provides a kind of biological filter for water treatment, specific working principle is as follows: harmful gas generated in the aeration process of aeration tank 1 is enclosed by tank cover 4, and will converge in the top of aeration tank 1, at this time, start fan 10, harmful gas generated in aeration tank 1 gathers to gas hood 12, and is pumped by suction pipe 7, so that harmful gas enters into first pipeline 6, then enters into second pipeline 9 by three-way pipe 8, then is guided to first chamber 13 by fan 10, harmful gas contacts L-shaped filter plate 15 and biological filtration filler 16, and biological filtration filler 16 filters and purifies harmful gas, then gas enters into second chamber 14 by first filter screen 18, gas in second chamber 14 starts to rise, and is contacted with activated carbon filler in connecting frame 20 by second filter screen 28 during, and is filtered secondly, finally, purified gas is discharged from air outlet 22 to purification box 11.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A biofilter for water treatment comprising an aeration tank (1), characterized in that: The top of the aeration tank (1) is fixedly connected with a tank cover (4), the top of both ends of the tank cover (4) is fixedly connected with two groups of symmetrically arranged connecting frames (5), a first pipeline (6) is fixedly installed between each group of the connecting frames (5), a plurality of gas extraction pipes (7) are communicated with the bottom of the first pipeline (6), a gas collection hood (12) is communicated with the bottom of each of the plurality of gas extraction pipes (7), a three-way pipe (8) is communicated with one end of the first pipeline (6), a second pipeline (9) is communicated with one end of the three-way pipe (8), a fan (10) is communicated with one end of the second pipeline (9), and an output end of the fan (10) is communicated with a purification box (11).

2. A biofilter for water treatment according to claim 1, characterised in that: The inside of the purification box (11) is fixedly connected with a partition plate (17), the partition plate (17) divides the purification box (11) into a first chamber (13) and a second chamber (14), an L-shaped filter plate (15) is fixedly connected to the bottom of the inside of the first chamber (13), the output end of the fan (10) is arranged on the inside of the L-shaped filter plate (15), and the inside of the first chamber (13) is filled with biological filtration filler (16).

3. A biofilter for water treatment according to claim 2, characterised in that: A through groove is formed in the bottom of the partition plate (17), a first filter screen (18) is fixedly connected to the inside of the through groove, a clamping groove (19) is formed in the side of the partition plate (17) opposite to the inner wall of the second chamber (14), and two connecting frames (20) are arranged in the inside of the second chamber (14).

4. A biofilter for water treatment according to claim 3, characterised in that: A second filter screen (28) is fixedly connected to the bottom of the inside of the connecting frame (20), the inside of the connecting frame (20) is filled with activated carbon filler, two symmetrically arranged first connecting grooves (23) are formed in the top of the connecting frame (20), second connecting grooves (24) are formed in the two sides of the connecting frame (20), clamping blocks (25) are arranged in the inside of the clamping grooves (19) close to the clamping grooves (19).

5. A biofilter for water treatment according to claim 4, characterised in that: A clamping block (25) is fixedly connected to the top of the first connecting groove (23), the first connecting groove (23) is communicated with the second connecting groove (24), the clamping block (25) is arranged in the inside of the first connecting groove (23), one side of the clamping block (25) is fixedly connected with a spring (27), and one end of the spring (27) is fixedly connected to the inside of the second connecting groove (24).

6. A biofilter for water treatment according to claim 2, characterised in that: The top of the purification box (11) is fixedly connected with a tank cover (21), one end of the tank cover (21) is fixedly connected with an air outlet (22), and the air outlet (22) is communicated with the second chamber (14).

7. A biofilter for water treatment according to claim 1, characterized in that: The bottom of one side of the aeration tank (1) is communicated with a water inlet pipe (2) and an aeration pipe (3).