Biofilter for municipal drainage
By introducing a moving water spray structure into the biological filter, the bottom sludge is cleaned automatically, solving the problem of inconvenience in manual cleaning in existing technologies and achieving a highly efficient automatic cleaning effect.
Patent Information
- Application Number
- CN202520127753.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing municipal drainage biological filters require manual removal of bottom sludge during cleaning, which is inconvenient.
A mobile water spray structure was designed, including components such as a drive motor, rotating gears, fixed racks, and cleaning nozzles. The drive motor drives the cleaning nozzles to move automatically back and forth, thereby achieving automatic cleaning of the sludge at the bottom of the biological filter.
It enables automatic cleaning of sludge at the bottom of the biological filter, improving cleaning efficiency, reducing manual intervention, and making the device more convenient to use.
Smart Images

Figure CN223752534U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to biological filter technical field, concretely is a biological filter for municipal drainage. BACKGROUND
[0002] The biological filter for municipal drainage is an environmental protection type water treatment technology, which combines the processes of biological treatment and physical filtration.
[0003] The biological filter can remove part of nitrogen, phosphorus and other substances in municipal sewage, reduce water body eutrophication, and also improve water quality. Since the biological filter has low energy consumption and simple operation and maintenance, it is widely used in urban sewage treatment and rainwater runoff management.
[0004] The existing biological filter has a sludge accumulation at the bottom during use. The existing sludge cleaning needs to be manually cleaned, which is not very convenient. In view of the above problems, a biological filter for municipal drainage is needed. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a biological filter for municipal drainage to solve the problems in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A biological filter for municipal drainage, comprising a biological filter, a controller connected to the side wall of the biological filter, and a mobile water spraying structure connected to the inner cavity of the biological filter.
[0008] The mobile water spraying structure comprises a connecting bracket connected to the side wall of the inner cavity of the biological filter, a mobile box body symmetrically connected to the crossbeam of the connecting bracket, a fixed connecting plate connected to the end face of the mobile box body, a drive motor connected to the side wall of the mobile box body on the left side, a drive rod connected to the drive end of the drive motor through a shaft coupling, a rotating gear connected to the side wall of the drive rod and located in the inner cavity of the mobile box body, a fixed rack meshingly connected to the side wall of the rotating gear, the fixed rack being connected to the bottom of the crossbeam of the connecting bracket, a rotating roller connected to the side wall of the drive rod, a connecting bracket connected to the bottom of the fixed connecting plate and located on both sides of the rotating roller, a fixed slide rail symmetrically connected to the side wall of the connecting bracket, a mobile rack connected to the fixed slide rail, a cleaning spray pipe connected to the side wall of the mobile rack through a connecting rod, a limiting slide block connected to the side wall of the cleaning spray pipe, the limiting slide block being connected to the side wall of the mobile box body, an engaging gear meshingly connected to the mobile rack, an engaging connecting rod connected to the center of the engaging gear, an engaging connecting plate connected to the side wall of the engaging gear, and an engaging lever connected to the other end of the engaging connecting plate.
[0009] As the preferred scheme of the utility model, the driving motor is connected with the controller through wires and the connection mode is electrical connection, the sliding groove is set up on the moving box body and corresponds to the crossbeam of the connecting support, and the connecting mode of the crossbeam of the connecting support and the sliding groove is sliding connection.
[0010] As the preferred scheme of the utility model, the driving rod is connected on the side wall of the moving box body through the bearing seat, and the connecting mode of the driving rod and the bearing seat is rotary connection.
[0011] As the preferred scheme of the utility model, the sliding groove is set up on the fixed sliding rail and corresponds to the moving rack, and the connecting mode of the moving rack and the sliding groove is sliding connection.
[0012] As the preferred scheme of the utility model, the engaging hole is set up on the limiting sliding block and corresponds to the cleaning spray pipe, and the connecting mode of the cleaning spray pipe and the engaging hole is sliding connection.
[0013] As the preferred scheme of the utility model, the engaging rotating rod is connected on the side wall of the engaging support through the bearing seat, and the connecting mode of the engaging rotating rod and the bearing seat is rotary connection.
[0014] As the preferred scheme of the utility model, the guide pushing groove is set up on the side wall of the rotating roller and corresponds to the engaging pushing rod, and the matching mode of the engaging pushing rod and the guide pushing groove is clearance fit.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] In the utility model, the moving water spraying structure is arranged in the biological filter for municipal drainage, so that the driving motor in the moving water spraying structure drives the cleaning spray pipe to reciprocatingly move in the cleaning process through the transmission structure, and the biological filter bottom sludge is cleaned more cleanly, and the moving water spraying structure is automatically cleaned, so that the device is more convenient to use. ACCURACY OF DRAWINGS
[0017] Figure 1 It is the structure schematic diagram of the utility model;
[0018] Figure 2 It is the structure schematic diagram of the utility model moving water spraying structure;
[0019] Figure 3 It is the partial structure schematic diagram of Figure 2
[0020] Figure 4 It is the enlarged structure schematic diagram of A in Figure 3
[0021] In the diagram: 1. Biological filter; 2. Controller; 3. Movable spray structure; 301. Connecting bracket; 302. Movable housing; 303. Fixed connecting plate; 304. Drive motor; 305. Drive rod; 306. Rotating gear; 307. Fixed rack; 308. Rotating roller; 309. Connecting bracket; 310. Fixed slide rail; 311. Movable rack; 312. Cleaning nozzle; 313. Limiting slider; 314. Connecting gear; 315. Connecting rotating rod; 316. Connecting plate; 317. Connecting lever. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0023] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, and several embodiments of the utility model will be provided. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and complete.
[0024] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0026] For an example, please refer to... Figures 1-4 This utility model provides a technical solution:
[0027] A biological filter for municipal drainage includes a biological filter 1, a controller 2 connected to the side wall of the biological filter 1, and a movable water spray structure 3 connected to the inner cavity of the biological filter 1.
[0028] In this embodiment, reference is made to Figure 1 , Figure 2 , Figure 3 and Figure 4The mobile water spraying structure 3 comprises a connecting support 301 connected to the side wall of the inner cavity of the biofilter 1, a mobile box body 302 symmetrically connected to the crossbeam of the connecting support 301, a fixed connecting plate 303 connected to the end face of the mobile box body 302, a driving motor 304 connected to the side wall of the left mobile box body 302, and the driving motor 304 is started under the condition that the driving motor 304 is connected to the controller 2 through wires and the connection mode is electrical connection, so that the driving end of the driving motor 304 rotates, a driving rod 305 is connected to the driving end of the driving motor 304 through a shaft coupling, a rotating gear 306 is connected to the side wall of the driving rod 305 and located in the inner cavity of the mobile box body 302, a fixed rack 307 is engagedly connected to the side wall of the rotating gear 306 and connected to the bottom of the crossbeam of the connecting support 301, and the driving rod 305 is connected to the side wall of the mobile box body 302 through a bearing seat under the condition that the connection mode between the driving rod 305 and the bearing seat is rotating connection, so that the driving rod 305 is driven to rotate, the rotating gear 306 and a rotating roller 308 are driven to rotate when the driving rod 305 rotates, the fixed rack 307 is engagedly connected to the side wall of the rotating gear 306 and connected to the bottom of the crossbeam of the connecting support 301, a fixed sliding rail 310 is connected to the side wall of the connecting support 301 and a mobile rack 311 is correspondingly arranged on the fixed sliding rail 310, the mobile rack 311 is connected to the fixed sliding rail 310 in a sliding mode, so that the mobile box body 302 is driven to move on the crossbeam of the connecting support 301, the rotating roller 308 is connected to the side wall of the driving rod 305, a connecting support 309 is connected to the bottom of the fixed connecting plate 303 and located on both sides of the rotating roller 308, the fixed sliding rail 310 is symmetrically connected to the side wall of the connecting support 309, the mobile rack 311 is connected to the fixed sliding rail 310, a cleaning nozzle 312 is connected to the side wall of the mobile rack 311 through a connecting rod, a limiting sliding block 313 is connected to the side wall of the cleaning nozzle 312, the limiting sliding block 313 is connected to the side wall of the mobile box body 302, the mobile rack 311 is engagedly connected to an engaging gear 314, an engaging rotating rod 315 is connected to the center of the engaging gear 314, an engaging connecting plate 316 is connected to the side wall of the engaging gear 314, an engaging pushing rod 317 is connected to the other end of the engaging connecting plate 316, and a guide pushing groove is arranged on the side wall of the rotating roller 308 and corresponds to the engaging pushing rod 317, the engaging pushing rod 317 and the guide pushing groove are matched in a clearance fit mode, the engaging rotating rod 315 is connected to the side wall of the connecting support 309 through a bearing seat under the condition that the connection mode between the engaging rotating rod 315 and the bearing seat is rotating connection, so that the engaging gear 314 is driven to swing, the engaging gear 314 is engagedly connected to the mobile rack 311, the sliding groove is arranged on the fixed sliding rail 310 and corresponds to the mobile rack 311,The moving rack 311 is connected with the sliding groove in a sliding manner, drives the moving rack 311 to reciprocate along the fixed sliding rail 310, and the limiting sliding block 313 is provided with the connecting hole corresponding to the cleaning nozzle 312, the cleaning nozzle 312 is connected with the connecting hole in a sliding manner, and drives the cleaning nozzle 312 to reciprocate.
[0029] Further, the driving motor 304 is connected with the controller 2 in an electrical manner through wires, and the operation of the driving motor 304 can be controlled by the controller 2.
[0030] Further, the moving box 302 is provided with the sliding groove corresponding to the cross beam of the connecting support 301, the cross beam of the connecting support 301 is connected with the sliding groove in a sliding manner, the driving rod 305 is connected with the bearing seat on the side wall of the moving box 302 in a rotating manner, the fixed sliding rail 310 is provided with the sliding groove corresponding to the moving rack 311, the moving rack 311 is connected with the sliding groove in a sliding manner, the limiting sliding block 313 is provided with the connecting hole corresponding to the cleaning nozzle 312, the cleaning nozzle 312 is connected with the connecting hole in a sliding manner, the connecting rotating rod 315 is connected with the bearing seat on the side wall of the connecting support 309 in a rotating manner, the side wall of the rotating roller 308 is provided with the guiding slot corresponding to the connecting rod 317, the connecting rod 317 is matched with the guiding slot in a clearance fit manner, and the moving water spraying structure 3 is smoothly operated during use through the interaction between the components.
[0031] The utility model discloses a work flow: when using the biological filter of municipal drainage, first connect the device power, make the device be in the condition of working, under the condition that drive motor 304 is connected with controller 2 through wire and the connection mode is electric connection, start drive motor 304, make the drive end of drive motor 304 rotate, drive rod 305 is connected on the lateral wall of mobile box body 302 through bearing seat, and the connection mode of drive rod 305 and bearing seat is rotary connection, drive drive rod 305 under the condition, drive rotating gear 306 and rotating roller 308 when drive rod 305 rotates, fixed rack 307 is connected on the lateral wall of rotating gear 306 and is engaged, fixed rack 307 is connected on the bottom of the crossbeam of connecting support 301, fixed slide rail 310 and is correspondingly provided with the sliding slot of mobile rack 311, and the connection mode of mobile rack 311 and sliding slot is sliding connection, drive mobile box body 302 to move on the crossbeam of connecting support 301 under the condition, rotating roller 308 rotates, and the lateral wall of rotating roller 308 is correspondingly provided with the guide slot of link prong 317, and the cooperation mode of link prong 317 and guide slot is clearance fit, and link rotating rod 315 is connected on the lateral wall of link support 309 through bearing seat, and the connection mode of link rotating rod 315 and bearing seat is rotary connection, drive link gear 314 to swing under the condition, mobile rack 311 is engaged and is connected on fixed slide rail 310 and is correspondingly provided with the sliding slot of mobile rack 311, and the connection mode of mobile rack 311 and sliding slot is sliding connection, drive mobile rack 311 to reciprocatingly move on fixed slide rail 310 under the condition, and the lateral wall of limiting sliding block 313 is correspondingly provided with the link hole of cleaning spray pipe 312, and the connection mode of cleaning spray pipe 312 and link hole is sliding connection, drive cleaning spray pipe 312 to reciprocatingly move under the condition, can clean the sludge at the bottom of biological filter 1 when cleaning spray pipe 312 sprays.
[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A biological filter for municipal drainage, comprising a biological filter (1), characterised in that: The side wall of the biological filter (1) is connected with a controller (2), and the inner cavity of the biological filter (1) is connected with a movable water spraying structure (3); The movable water spraying structure (3) comprises a connecting support (301) connected to the side wall of the inner cavity of the biological filter (1), symmetrically connected with a movable box (302) on the crossbeam of the connecting support (301), connected with a fixed connecting plate (303) on the end face of the movable box (302), connected with a drive motor (304) on the side wall of the movable box (302) on the left side, connected with a drive rod (305) through a shaft coupling on the drive end of the drive motor (304), connected with a rotating gear (306) on the side wall of the drive rod (305) and in the inner cavity of the movable box (302), engaged with a fixed rack (307) on the side wall of the rotating gear (306), connected to the bottom of the crossbeam of the connecting support (301), connected with a rotating roller (308) on the side wall of the drive rod (305), connected with an adapter support (309) on the bottom of the fixed connecting plate (303) and on both sides of the rotating roller (308), symmetrically connected with a fixed slide rail (310) on the side wall of the adapter support (309), connected with a movable rack (311) on the fixed slide rail (310), connected with a cleaning nozzle (312) through a connecting rod on the side wall of the movable rack (311), connected with a limiting sliding block (313) on the side wall of the cleaning nozzle (312), connected to the side wall of the movable box (302), engaged with an adapter gear (314) on the movable rack (311), connected with an adapter rotating rod (315) at the center of the adapter gear (314), connected with an adapter connecting plate (316) on the side wall of the adapter gear (314), connected with an adapter lever (317) at the other end of the adapter connecting plate (316).
2. The biological filter for municipal drainage according to claim 1, characterized in that: The drive motor (304) is connected with the controller (2) through wires and in an electrical connection mode, and a sliding groove is formed in the movable box (302) corresponding to the crossbeam of the connecting support (301), wherein the crossbeam of the connecting support (301) and the sliding groove are connected in a sliding connection mode.
3. The biological filter for municipal drainage according to claim 1, characterized in that: The drive rod (305) is connected to the side wall of the movable box (302) through a bearing seat, wherein the drive rod (305) and the bearing seat are connected in a rotating connection mode.
4. The biological filter for municipal drainage according to claim 1, characterized in that: A sliding groove is formed in the fixed slide rail (310) corresponding to the movable rack (311), wherein the movable rack (311) and the sliding groove are connected in a sliding connection mode.
5. The biological filter for municipal drainage according to claim 1, characterized in that: A linking hole is formed in the limiting sliding block (313) corresponding to the cleaning nozzle (312), wherein the cleaning nozzle (312) and the linking hole are connected in a sliding connection mode.
6. The biological filter for municipal drainage according to claim 1, characterized in that: The adapter rotating rod (315) is connected to the side wall of the adapter support (309) through a bearing seat, wherein the adapter rotating rod (315) and the bearing seat are connected in a rotating connection mode.
7. The biological filter for municipal drainage according to claim 1, characterized in that: The side wall of the rotating roller (308) is provided with a guide slot corresponding to the engaging lever (317), and the engaging lever (317) is in clearance fit with the guide slot.