Biological filter for sewage treatment

By introducing cleaning and aeration components into the biological filter, the problem of sludge deposition was solved, achieving efficient wastewater treatment and ensuring aeration effect and effluent quality.

CN223813400UActive Publication Date: 2026-01-20SHENZHEN CHUANGXINYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520214164.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-20
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

After a period of use, existing biological filters are prone to sludge buildup at the bottom and on the surface of the aeration pipes, which affects the quality of the effluent and the aeration effect.

Method used

A biological filter was designed, comprising a cleaning component and an aeration component. The cleaning component uses a cleaning scraper driven by a linear motor and an annular scraper to clean sludge. The aeration component uses downward-opening aeration holes to prevent sediment deposition. A testing box is used to return water that does not meet the requirements for retreatment.

Benefits of technology

Effective cleaning of sludge and prevention of sediment buildup on aeration pipe surfaces improves the effluent quality and aeration effect of wastewater treatment, ensuring the continuous and efficient operation of wastewater treatment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a biological filter for sewage treatment, and relates to the technical field of sewage treatment, the biological filter comprises a treatment chamber, an aeration assembly and a decontamination assembly, a biological filter layer is arranged at the upper part in the treatment chamber, the aeration assembly is arranged at the lower part in the treatment chamber, a motor mounting frame is fixed at one side in the treatment chamber, and the motor mounting frame is fixed at the other side in the treatment chamber. And a linear motor is slidably mounted in the motor mounting frame, a dirt removal assembly is mounted below the linear motor and comprises a fixing rod, a dirt removal scraper, a connecting rod, a lantern ring and an annular scraper, and the dirt removal scraper is connected to the bottom of the fixing rod. According to the biological filter for sewage treatment, a sewage cleaning scraper of the sewage cleaning assembly can move to clean sludge on the bottom surface of the treatment chamber, the sludge is intensively pushed to one side of a sewage discharge pipe so as to facilitate timely sewage discharge, and meanwhile, the movement of the sewage cleaning scraper can drive a connecting rod and a lantern ring to synchronously move; and the annular scrapers on the two sides of the lantern ring can descale the surface of the aeration pipe.
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Description

TECHNICAL FIELD

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

[0002] Sewage treatment is the process that carries out purification to sewage to make it reach the water quality requirement of being discharged into a water body or reused. The biological filter can be used in the sewage treatment process. The biological filter is an artificial biological treatment technology that makes sewage purified.

[0003] For example, the utility model discloses a biological filter for sewage treatment, similar to the biological filter of the above application, still has the following several points of deficiency: although sufficient oxygen supply can be carried out, however, the bottom and the surface of the aeration pipe of the biological filter are easy to deposit sludge after being used for a period of time, and then affect the water quality and aeration effect.

[0004] Therefore, in view of the above, the existing structure and defects are studied and improved, and a biological filter for sewage treatment is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a biological filter for sewage treatment to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a biological filter for sewage treatment, comprising a treatment chamber, an aeration assembly and a pollution cleaning assembly, a biological filter layer is arranged above the inside of the treatment chamber, an aeration assembly is installed below the inside of the treatment chamber, a motor mounting frame is fixed to one side of the inside of the treatment chamber, a linear motor is slidably installed in the inside of the motor mounting frame, a pollution cleaning assembly is installed below the linear motor, and the pollution cleaning assembly comprises a fixed rod, a pollution cleaning scraper, a connecting rod, a sleeve ring and an annular scraper, the bottom of the fixed rod is connected with the pollution cleaning scraper, the upper side of the pollution cleaning scraper is fixed with the connecting rod, the top end of the connecting rod is fixed with the sleeve ring, the two sides of the sleeve ring are integrally fixed with the annular scraper, and a detection box is installed below the treatment chamber.

[0007] Further, the aeration assembly comprises aeration pipes and aeration holes, the aeration pipes are distributed in parallel, and aeration holes are equidistantly arranged on the oblique lower sides of the two sides of the aeration pipes.

[0008] Further, the aeration assembly further comprises a gas supply pipe and an aeration pump, the gas supply pipe is connected to one side of the aeration pipe, and the aeration pump is installed at one end of the gas supply pipe.

[0009] Further, the pollution cleaning scraper is in a "V" shape structure, and the lower side of the pollution cleaning scraper is attached to the bottom surface of the treatment chamber.

[0010] Further, the sleeve is sleeved on the outside of the aeration pipe, and the number of the sleeve is consistent with that of the aeration pipe.

[0011] Further, the lower side of the treatment chamber is connected with a sewage discharge pipe, and the lower side of the detection box is connected with a water discharge pipe.

[0012] Further, one side of the treatment chamber is connected with a water feeding pump through a pipeline, the lower side of the water feeding pump is connected with a water feeding pipe, and the water feeding pipe and the detection box are in communication with each other.

[0013] Further, one side of the detection box is connected with a circulating water pump through a pipeline, the upper side of the circulating water pump is connected with a circulating water pipe, and the circulating water pipe and the treatment chamber are in communication with each other.

[0014] The utility model provides a biological filter for sewage treatment has the following beneficial effects:

[0015] The utility model discloses a sewage cleaning assembly, the movement of linear motor in the motor installation frame inside conveniently drives the movement of fixed rod, sewage cleaning scraper, the lower surface of sewage cleaning scraper is attached to the bottom surface of treatment chamber, so that sewage cleaning scraper can clean the bottom surface sludge of treatment chamber, and the sludge is pushed to the sewage discharge pipe side in order to timely sewage, and the synchronous movement of connecting rod and sleeve can be driven by the movement of sewage cleaning scraper, so that the annular scraper knife on both sides of sleeve can descale the surface of aeration pipe, prevent the surface of aeration pipe from depositing impurities after a long time, and affect aeration use.

[0016] The utility model discloses aeration assembly and detection box, and the sewage in the treatment chamber can be biodegraded by aeration assembly, and the aeration hole of aeration pipe is inclined downward to a certain extent, which can avoid the deposition falling into the aeration hole, and the water that does not meet the requirements after treatment in the detection box can be sent back to the treatment chamber by the circulating water pump and the circulating water pipe for biologic filter bed purification treatment again, so as to improve the sewage treatment quality. ACCURACY

[0017] Figure 1 It is a half cut structure schematic view of the utility model discloses a biological filter for sewage treatment;

[0018] Figure 2 It is aeration assembly structure schematic view of the utility model discloses a biological filter for sewage treatment;

[0019] Figure 3 It is the whole external structure schematic view of the utility model discloses a biological filter for sewage treatment;

[0020] Figure 4 It is the sewage cleaning assembly side view structure schematic view of the utility model discloses a biological filter for sewage treatment;

[0021] Figure 5 It is a half-section structure schematic view of the aeration pipe of the biological filter for sewage treatment.

[0022] In the figure: 1, treatment chamber; 2, biological filter layer; 3, aeration assembly; 301, aeration pipe; 302, aeration hole; 303, air supply pipe; 304, aeration pump; 4, motor mounting frame; 5, linear motor; 6, cleaning assembly; 601, fixed rod; 602, cleaning scraper; 603, connecting rod; 604, collar; 605, annular scraper; 7, sewage pipe; 8, detection box; 9, water supply pump; 10, water supply pipe; 11, circulating water pump; 12, circulating water pipe; 13, drain pipe. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0024] As Figure 1 , Figure 2 and Figure 5 indicated, a biological filter for sewage treatment includes a treatment chamber 1, an aeration assembly 3 and a cleaning assembly 6, the inside of the treatment chamber 1 is provided with a biological filter layer 2 on the top, and the inside of the treatment chamber 1 is provided with the aeration assembly 3 on the bottom, the aeration assembly 3 includes aeration pipes 301 and aeration holes 302, the aeration pipes 301 are distributed in parallel, and the aeration holes 302 are equidistantly arranged on the oblique lower sides of both sides, the aeration assembly 3 further includes air supply pipes 303 and aeration pumps 304, the air supply pipes 303 are connected to one side of the aeration pipes 301, and the aeration pumps 304 are installed at one end of the air supply pipes 303; the aeration pumps 304 and the air supply pipes 303 are used to send oxygen into the inside of the aeration pipes 301, the aeration holes 302 can uniformly spray air to supply oxygen to the biological filter layer 2, the biological filter layer 2 can biologically degrade the sewage entering the treatment chamber 1, and the aeration holes 302 of the aeration pipes 301 are obliquely downwardly opened to a certain extent, which can avoid the deposition falling into the aeration holes 302.

[0025] As Figure 2 , Figure 4 and Figure 5As shown, the inner side of the treatment chamber 1 is fixed with a motor mounting frame 4, and the inner side of the motor mounting frame 4 is slidingly mounted with a linear motor 5, and the lower side of the linear motor 5 is mounted with a cleaning assembly 6, and the cleaning assembly 6 comprises a fixed rod 601, a cleaning scraper 602, a connecting rod 603, a sleeve ring 604 and an annular scraper 605, the bottom of the fixed rod 601 is connected with the cleaning scraper 602, the upper side of the cleaning scraper 602 is fixed with the connecting rod 603, the top end of the connecting rod 603 is fixed with the sleeve ring 604, and the two sides of the sleeve ring 604 are integrally fixed with the annular scraper 605, the cleaning scraper 602 is in a "V" shape structure, and the lower side of the cleaning scraper 602 is in close contact with the bottom surface of the treatment chamber 1, the sleeve ring 604 is sleeved on the outside of the aeration pipe 301, and the number of the sleeve ring 604 is consistent with that of the aeration pipe 301; the movement of the linear motor 5 in the motor mounting frame 4 facilitates the movement of the fixed rod 601 and the cleaning scraper 602, and the close contact of the lower side of the cleaning scraper 602 with the bottom surface of the treatment chamber 1 enables the cleaning scraper 602 to clean the sludge on the bottom surface of the treatment chamber 1, and the sludge is pushed to one side of the sewage pipe 7 for timely sewage disposal, and the movement of the cleaning scraper 602 can drive the synchronous movement of the connecting rod 603 and the sleeve ring 604, so that the annular scraper 605 on both sides of the sleeve ring 604 can remove the scale on the surface of the aeration pipe 301, preventing the deposition of impurities on the surface of the aeration pipe 301 for a long time, affecting the aeration use, and the side of the biological filter layer 2 close to the motor mounting frame 4 is reserved with a gap for the movement of the fixed rod 601, and a baffle is arranged between the motor mounting frame 4 and the biological filter layer 2 to prevent the water flow from flowing directly to the lower side of the biological filter layer 2 through the gap.

[0026] As shown in Figures 1-3 The lower side of the treatment chamber 1 is connected with a sewage pipe 7, and the lower side of the detection box 8 is connected with a drainage pipe 13, one side of the treatment chamber 1 is connected with a water sending pump 9 through a pipeline, the lower side of the water sending pump 9 is connected with a water sending pipe 10, and the water sending pipe 10 and the detection box 8 are in communication with each other, one side of the detection box 8 is connected with a circulating water pump 11 through a pipeline, the upper side of the circulating water pump 11 is connected with a circulating water pipe 12, and the circulating water pipe 12 and the treatment chamber 1 are in communication with each other; the water sending pump 9 and the water sending pipe 10 facilitate the sending of the degraded sewage in the treatment chamber 1 to the inside of the detection box 8, and a corresponding water quality detector is mounted on one side of the detection box 8, and the detection end of the water quality detector is located in the detection box 8, so that it can detect the water quality of the degraded sewage in the detection box 8, and the treated water that does not meet the requirements can be sent back to the inside of the treatment chamber 1 through the circulating water pump 11 and the circulating water pipe 12 for purification treatment by the biological filter layer 2 again, so as to improve the quality of sewage treatment.

[0027] In summary, as shown in Figures 1-5As shown, the sewage treatment biofilter, in use, first can send sewage into the inside of the treatment chamber 1, then through the aeration pump 304 and the air supply pipe 303, oxygen is sent into the inside of the several aeration pipes 301, the aeration holes 302 can uniformly spray oxygen to supply oxygen to the biological filter layer 2, so that the biological filter layer 2 can biodegrade the sewage entering the treatment chamber 1, then through the water pump 9, the water supply pipe 10, the sewage in the inside of the treatment chamber 1 is sent into the inside of the detection box 8, the side of the detection box 8 is installed with the corresponding water quality detector, the detection end of the water quality detector is located in the detection box 8, so that it can detect the sewage in the detection box 8 after degradation treatment to judge the water quality, the water after treatment not meeting the requirements can be sent back to the inside of the treatment chamber 1 again for purification treatment of the biological filter layer 2 through the circulating water pump 11, the circulating water pipe 12;

[0028] In use, the linear motor 5 can also move in the motor mounting frame 4 to drive the fixed rod 601 and the cleaning scraper 602 to move, wherein the cleaning scraper 602 is located away from the sewage pipe 7 when not in use, and then the cleaning scraper 602 moves to clean the bottom mud of the treatment chamber 1, and pushes the mud to the side of the sewage pipe 7 to facilitate sewage discharge, and the cleaning scraper 602 returns to the original position after pushing the material, and the movement of the cleaning scraper 602 drives the synchronous movement of the connecting rod 603 and the sleeve ring 604, so that the annular scraper 605 on both sides of the sleeve ring 604 can remove the scale on the surface of the aeration pipe 301, and prevent the aeration pipe 301 from depositing impurities on the surface after a long time, and finally the water meeting the detection requirements in the inside of the detection box 8 is discharged through the drain pipe 13 and enters the next process, so that the use process of the sewage treatment biofilter is completed.

[0029] The embodiments of the present application are given for the purpose of example and description, and are not exhaustive or limit the present application to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the present application, and to enable those skilled in the art to understand the present application so as to design various embodiments with various modifications suitable for specific purposes.

Claims

1. A biological filter for sewage treatment, comprising a treatment chamber (1), an aeration assembly (3) and a cleaning assembly (6), characterized in that, The interior of the treatment chamber (1) is provided with a biological filter layer (2), and the lower part of the interior of the treatment chamber (1) is provided with an aeration assembly (3), one side of the interior of the treatment chamber (1) is fixedly provided with a motor mounting frame (4), and the interior of the motor mounting frame (4) is slidably provided with a linear motor (5), the lower part of the linear motor (5) is provided with a cleaning assembly (6), and the cleaning assembly (6) comprises a fixed rod (601), a cleaning scraper (602), a connecting rod (603), a sleeve ring (604) and an annular scraper (605), the bottom of the fixed rod (601) is connected with the cleaning scraper (602), and the upper side of the cleaning scraper (602) is fixedly provided with the connecting rod (603), the top end of the connecting rod (603) is fixedly provided with the sleeve ring (604), and the two sides of the sleeve ring (604) are integrally provided with the annular scraper (605), and the lower part of the treatment chamber (1) is provided with a detection box (8).

2. The biofilter according to claim 1, wherein The aeration assembly (3) comprises aeration pipes (301) and aeration holes (302), the aeration pipes (301) are arranged in parallel, and the aeration holes (302) are arranged at equal intervals on the oblique lower sides of the two sides of the aeration pipes (301).

3. The biofilter according to claim 2, wherein The aeration assembly (3) further comprises a gas supply pipe (303) and an aeration pump (304), one side of the aeration pipe (301) is connected with the gas supply pipe (303), and one end of the gas supply pipe (303) is provided with the aeration pump (304).

4. The biofilter according to claim 1, wherein The cleaning scraper (602) is in a "V" shape structure, and the lower side of the cleaning scraper (602) is attached to the bottom surface of the treatment chamber (1).

5. The biofilter according to claim 2, wherein The sleeve ring (604) is sleeved on the outside of the aeration pipe (301), and the number of the sleeve ring (604) is consistent with that of the aeration pipe (301).

6. The biofilter according to claim 1, wherein One side of the lower part of the treatment chamber (1) is connected with a sewage pipe (7), and one side of the lower part of the detection box (8) is connected with a drainage pipe (13).

7. The biofilter according to claim 1, wherein One side of the treatment chamber (1) is connected with a water supply pump (9) through a pipeline, the lower side of the water supply pump (9) is connected with a water supply pipe (10), and the water supply pipe (10) and the detection box (8) are in communication with each other.

8. The biofilter according to claim 1, wherein One side of the detection box (8) is connected with a circulating water pump (11) through a pipeline, the upper side of the circulating water pump (11) is connected with a circulating water pipe (12), and the circulating water pipe (12) and the treatment chamber (1) are in communication with each other.

Citation Information

Patent Citations

  • Biological aerated filter for sewage treatment

    CN218778799U