Biological contact oxidation pond for sewage treatment

By installing a liftable filler assembly and a cutting seat in the biological contact oxidation tank, the overly thick biofilm can be cut, solving the problem of increased anaerobic layer caused by overly thick biofilm on the filler, improving the stability and purification function of the biofilm, and simplifying the operation process of the filler.

CN223316498UActive Publication Date: 2025-09-09BEIJING DONGFANG BOAO KITCHEN EQUIP CO LTD
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Patent Information

Application Number
CN202422315597.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-09-09
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

During the sewage treatment process, excessive biofilm formation on the filler leads to an increase in the thickness of the anaerobic layer inside the biofilm, affecting the biofilm's fixation and the stability of its purification function.

Method used

A biological contact oxidation tank is designed, which is equipped with a liftable filler assembly and a cutting seat. A cutting blade is used to cut excessively thick biofilms. The filler is lifted and lowered by an electric push rod seat and the spacing between the cutting blades is adjusted. The filler is connected by Velcro strips and fiber wool limiters to achieve adjustable installation and removal of the filler.

Benefits of technology

It effectively controls the thickness of the biofilm, prevents the increase of the anaerobic layer, improves the fixation of the biofilm and the stability of the purification function, and facilitates the installation and removal of the filler.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a biological contact oxidation pond for sewage treatment. A liftable filler assembly and a cutting seat are mounted on the surface of the top of a biological contact oxidation pond main body; according to the utility model, the cutting seat is arranged, so that an excessively thick filler biofilm can be cut, the excessively thick biofilm can be cut off, and the thickness of an anaerobic layer in the biofilm is prevented from being increased, so that the fixation force of the biofilm on the filler is weakened, and the purification function and the stability of the biofilm are influenced; the cutting knife board is used for cutting; meanwhile, the cutting seats are arranged on the two sides of the filling assembly, and the distance between the cutting knife plates can be adjusted through the telescopic adjusting assembly, so that the filling biofilm hanging cutting thickness is controlled, and adjustment can be conducted according to the filling size or the biofilm hanging thickness requirement; meanwhile, the filler penetrates through the connecting groove through the hook-and-loop fastener strip to be wound and pressed tightly and is attached to the hook bristles through fine and soft fibers to be in limiting connection, and mounting and dismounting are convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of biological contact oxidation tanks for sewage treatment, in particular to a biological contact oxidation tank for sewage treatment. Background Art

[0002] Wastewater treatment refers to the process of treating wastewater containing harmful substances, bacteria and other pollutants to reduce or eliminate pollution to the environment and protect water resources and human health. This process involves the use of various technologies and methods to transform wastewater into water quality that can be safely discharged or recycled.

[0003] The biological contact oxidation tank is a highly efficient sewage treatment technology that combines the characteristics of the biofilm method and the activated sludge method. It is mainly used to remove organic matter from wastewater. During the sewage treatment process, excessive biofilm formation on the filler may cause the thickness of the anaerobic layer inside the biofilm to increase, thereby weakening the biofilm's fixation on the filler and affecting the biofilm's purification function and stability, which is quite troublesome. Utility Model Content

[0004] The purpose of the present utility model is to provide a biological contact oxidation tank for sewage treatment, so as to solve the problem proposed in the above background technology that during the sewage treatment process, excessive biofilm formation on the filler may lead to an increase in the thickness of the anaerobic layer inside the biofilm, thereby weakening the fixation of the biofilm on the filler and affecting the purification function and stability of the biofilm.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a biological contact oxidation tank for sewage treatment, comprising a biological contact oxidation tank body, a liftable filler assembly and a cutting seat installed on the top surface of the biological contact oxidation tank body, the filler assembly comprising a filler seat, a top plate, and an electric push rod seat, the telescopic rod of the electric push rod seat being connected to both sides of the bottom of the top plate, the bottom of the top plate being connected to the filler seat, the filler seat comprising a filler and a connecting rod, the filler being installed on the surface of the connecting rod, and the cutting seat being arranged on both sides of the filler assembly.

[0006] Preferably, the cutting seat includes a main board, a cutting blade, and a telescopic adjustment component. The cutting blade is installed on the front surface of the main board, and the telescopic adjustment component is installed on the back of the main board and is transmission-connected to the cutting blade through the main board.

[0007] Preferably, the telescopic adjustment assembly includes a drive motor, a screw rod, a push rod, and a limit rod. The drive motor is meshed and transmitted with the screw rod. The surface of the screw rod is covered with a threaded seat and is fixedly connected to the sliding sleeve on the surface of the limit rod. The sliding sleeve is fixedly connected to one end of the push rod through a connecting rod. The screw rod, push rod, and limit rod are in a parallel state.

[0008] Preferably, a sharp cutting knife is provided at the bottom of the cutting blade plate.

[0009] Preferably, a Velcro strip is installed on the surface of the connecting rod, and small soft fibers and hooked bristles are respectively provided on both sides of one end of the Velcro strip.

[0010] Preferably, a connecting groove is provided on the side of the filler, and the filler is wrapped and compressed by passing the Velcro strip through the connecting groove and is connected in a limited position by fitting the fine and soft fibers with the hooked bristles.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. A cutting seat is provided to cut the excessively thick biofilm on the filler. The excessively thick biofilm is cut off to prevent the thickness of the anaerobic layer inside the biofilm from increasing, thereby weakening the fixation of the biofilm on the filler and affecting the purification function and stability of the biofilm. The filler is lifted by the electric push rod seat so that it can be cut by the cutting blade. At the same time, the cutting seat is set on both sides of the filler assembly. The distance between the cutting blades can be adjusted by the telescopic adjustment assembly to control the thickness of the filler biofilm cut. It can be adjusted according to the filler size or biofilm thickness requirements.

[0013] 2. A Velcro strip is installed on the surface of the connecting rod, so the filler is wrapped and compressed through the connecting groove through the Velcro strip and is limitedly connected through the fine and soft fibers and the hooked bristles, which is convenient for installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the biological contact oxidation tank of the present utility model;

[0015] Figure 2 This is a schematic diagram of the expanded structure of the main body of the biological contact oxidation tank of the present utility model;

[0016] Figure 3 This is a schematic diagram of the cutting seat structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the cutting seat of the present utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the packing seat of the utility model;

[0019] Figure 6 This is an enlarged structural diagram of point A of the present invention.

[0020] In the figure: biological contact oxidation tank body-1, filler assembly-2, cutting seat-3, filler seat-21, top plate-22, electric push rod seat-23, connecting rod-212, main board-31, cutting blade-32, telescopic adjustment assembly-33, cutting blade-321, drive motor-331, screw rod-332, push rod-333, limit rod-334, Velcro strip-2121, filler-2111, small and soft fiber-022, hooked bristles-021. DETAILED DESCRIPTION

[0021] In order to further explain the technical solution of the present invention, specific embodiments are described in detail below.

[0022] like Figure 1-2 As shown, in this embodiment, a biological contact oxidation tank for sewage treatment includes a biological contact oxidation tank body 1, a top surface of the biological contact oxidation tank body 1 is installed with a liftable filler assembly 2 and a cutting seat 3, the filler assembly 2 includes a filler seat 21, a top plate 22, and an electric push rod seat 23, an electric push rod is installed in the electric push rod seat 23, a telescopic rod of the electric push rod seat 23 is connected to both sides of the bottom of the top plate 22, the bottom of the top plate 22 is connected to the filler seat 21, the filler seat 21 includes a filler 2111 and a connecting rod 212, the filler 2111 is installed on the surface of the connecting rod 212, and the cutting seat 3 is arranged on both sides of the filler assembly 2;

[0023] The above-mentioned cutting seat 3 is provided, which can cut the excessively thick biofilm of the filler and cut off the excessively thick film to prevent the thickness of the anaerobic layer inside the biofilm from increasing, thereby weakening the fixation of the biofilm on the filler and affecting the purification function and stability of the biofilm. The filler 2111 is lifted by the electric push rod seat 23 so that it can be cut by the cutting blade 32; at the same time, the cutting seat 3 is arranged on both sides of the filler component 2, and the distance between the cutting blades 32 can be adjusted by the telescopic adjustment component 33, thereby controlling the thickness of the filler film cut, which can be adjusted according to the filler size or the film thickness requirement.

[0024] like Figure 3 As shown, in this embodiment, a sharp cutting knife 321 is provided at the bottom of the cutting blade plate 32; the sharp cutting knife 321 facilitates cutting of a filler film that is too thick.

[0025] like Figure 3-4As shown, in this embodiment, the cutting seat 3 includes a main board 31, a cutting blade 32, and a telescopic adjustment component 33. The cutting blade 32 is mounted on the front surface of the main board 31, and the telescopic adjustment component 33 is mounted on the back of the main board 31 and passes through the main board 31 to be transmission-connected with the cutting blade 32. The telescopic adjustment component 33 includes a driving motor 331, a screw rod 332, a push rod 333, and a limit rod 334. The driving motor 331 is meshed and transmission-connected with the screw rod 332. The surface of the screw rod 332 is covered with a threaded seat and is fixedly connected to the sliding sleeve on the surface of the limit rod 334 by connection. The sliding sleeve is fixedly connected to one end of the push rod 333 through a connecting rod. The screw rod 332, the push rod 333, and the limit rod 334 are in a parallel state.

[0026] The above-mentioned driving motor 331 drives the screw rod 332 to rotate, so that the threaded seat drives the sliding sleeve and the push rod 333 to move forward or backward following the forward or reverse rotation of the driving motor 331, thereby controlling the distance between the cutting blades 32, thereby controlling the thickness of the filler film cutting, which can be adjusted according to the filler size or film thickness requirements.

[0027] like Figure 5-6 As shown, in this embodiment, a Velcro strip 2121 is installed on the surface of the connecting rod 212, and small soft fibers 022 and hooked bristles 021 are respectively provided on both sides of one end of the Velcro strip 2121. A connecting groove is provided on the side of the filler 2111, and the filler 2111 is wrapped and pressed tightly through the Velcro strip 2121 through the connecting groove and is limitedly connected by fitting the small soft fibers 022 and the hooked bristles 021; the above-mentioned filler 2111 can be wrapped and pressed tightly through the Velcro strip 2121 through the connecting groove and is limitedly connected by fitting the small soft fibers 022 and the hooked bristles 021, thereby fixing the filler 2111 and facilitating installation and disassembly.

[0028] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A biological contact oxidation pond for sewage treatment, comprising a biological contact oxidation pond body (1), characterized in that: A liftable filler assembly (2) and a cutting seat (3) are mounted on the top surface of the biological contact oxidation tank body (1); the filler assembly (2) comprises a filler seat (21), a top plate (22), and an electric push rod seat (23); a telescopic rod of the electric push rod seat (23) is connected to both sides of the bottom of the top plate (22); the bottom of the top plate (22) is connected to the filler seat (21); the filler seat (21) comprises a filler (2111) and a connecting rod (212); the filler (2111) is mounted on the surface of the connecting rod (212); and the cutting seat (3) is arranged on both sides of the filler assembly (2).

2. The biological contact oxidation pond for sewage treatment according to claim 1, characterized in that: The cutting seat (3) comprises a main board (31), a cutting blade (32), and a telescopic adjustment component (33); the cutting blade (32) is mounted on the front surface of the main board (31); the telescopic adjustment component (33) is mounted on the back surface of the main board (31) and passes through the main board (31) to be transmission-connected to the cutting blade (32).

3. The biological contact oxidation pond for sewage treatment according to claim 2, characterized in that: The telescopic adjustment assembly (33) comprises a driving motor (331), a screw rod (332), a push rod (333), and a limit rod (334); the driving motor (331) is meshed and transmission-connected with the screw rod (332); a threaded seat is sleeved on the surface of the screw rod (332) and is fixedly connected to a sliding sleeve on the surface of the limit rod (334); the sliding sleeve is fixedly connected to one end of the push rod (333) via a connecting rod; the screw rod (332), the push rod (333), and the limit rod (334) are in a parallel state.

4. The biological contact oxidation pond for sewage treatment according to claim 2, characterized in that: A sharp cutting knife (321) is provided at the bottom of the cutting blade plate (32).

5. The biological contact oxidation pond for sewage treatment according to claim 1, characterized in that: A Velcro strip (2121) is installed on the surface of the connecting rod (212), and two sides of one end of the Velcro strip (2121) are respectively provided with small and soft fibers (022) and hooked bristles (021).

6. The biological contact oxidation pond for sewage treatment according to claim 5, characterized in that: A connecting groove is provided on the side of the filler (2111), and the filler (2111) is wound and compressed by passing through the connecting groove via a Velcro strip (2121) and is positionally connected by fitting with the hooked bristles (021) via fine and soft fibers (022).