Biofilter for municipal drainage

Abstract

The utility model discloses a biological filter for municipal drainage, which relates to the technical field of biological filters and comprises a tank body and a water outlet pipe, an aeration pipe is mounted in the tank body, and one side of the aeration pipe is connected with an air inlet pipe. When the biological filter for municipal drainage is used, a motor can be started, under the cooperation of the motor and a screw, sliding blocks slide along guide rails, meanwhile, under the cooperation of the two sets of sliding blocks, a movable frame can move in the direction of a filter screen, then a driving motor is started, and the driving motor can drive a connecting rod to reciprocate through a cam; meanwhile, a connecting rod can pull a connecting rod and a connecting block to move through a rotating shaft, the connecting block moves to drive a brush plate at the bottom to slide along a sliding groove in the bottom of a movable frame, and therefore the brush plate can move left and right, and the filter screen can be better cleaned through front-back and left-right movement of the brush plate; therefore, the municipal sewage treatment effect cannot be influenced by excessive impurities on the filter screen.

Description

Technical Field

[0001] The utility model relates to the technical field of biological filters, in particular to a biological filter for municipal drainage. Background Art

[0002] Municipal drainage biofilter is an environmentally friendly water treatment technology that combines biological treatment and physical filtration processes. Biofilters can remove some nitrogen, phosphorus and other substances in municipal sewage, reduce eutrophication of water bodies, and improve water quality. Biofilters have low energy consumption and simple operation and maintenance, so they are widely used in urban sewage treatment and rainwater runoff management.

[0003] When the existing biological filter is in use, in order to facilitate the treatment of municipal sewage, it is necessary to install a filter screen inside the biological filter. However, after long-term use, a large amount of impurities will stick to the surface of the filter screen, thereby affecting the filtering effect of the municipal sewage. The filter screen is usually installed inside the biological filter tank and fixed with bolts, so it is not convenient to quickly clean the impurities on the filter screen. Utility Model Content

[0004] The utility model aims to provide a biological filter for municipal drainage, so as to solve the problem that the currently used biological filter is inconvenient to clean the impurities on the filter screen as mentioned in the background art.

[0005] To achieve the above object, the utility model provides the following technical solution: a biological filter for municipal drainage, comprising: a tank body and a water outlet pipe, an aeration pipe is installed inside the tank body, one side of the aeration pipe is connected to an air inlet pipe, a filling area is arranged on the top of the aeration pipe, a filter screen is arranged on the top of the filling area, and the water outlet pipe is connected to one side of the tank body;

[0006] Guide rails are installed on both sides of the pool body, and sliders are connected through the top of the guide rails, and a screw is connected through the middle of a group of sliders, and the input end of the screw is connected to a motor through a coupling, and a movable frame is connected between the two groups of sliders, and a brush plate is connected to the bottom of the movable frame through a slide groove, and a connecting block that passes through the movable frame is installed on the top of the brush plate, a connecting rod is installed on one side of the connecting block, and a fixed block is sleeved on the outer side of the connecting rod, and one side of the connecting rod is connected to a connecting rod through a rotating shaft, and the side of the connecting rod away from the connecting rod is connected to a cam through a rotating shaft, and one side of the cam is connected to a driving motor through an output shaft.

[0007] Preferably, the fixed block and the driving motor are both installed on the top of the movable frame, and the movable frame forms a sliding structure with the cell body through a sliding block.

[0008] Preferably, a transmission motor is installed on the top of the pool body, and the output end of the transmission motor is connected to a transmission shaft through a coupling.

[0009] Preferably, the outer side of the transmission shaft is connected with a transmission belt via a pulley.

[0010] Preferably, one end of the transmission belt away from the transmission shaft is connected to a bidirectional screw via a pulley.

[0011] Preferably, a threaded sleeve is sleeved on the outer side of the bidirectional screw rod, and a scraper is connected to one side of the threaded sleeve.

[0012] Preferably, a collecting groove is provided in the middle of the pool body, a push plate is provided inside the collecting groove, and one side of the push plate passes through the collecting groove and is connected to a push rod.

[0013] Compared with the prior art, the beneficial effect of the utility model is as follows: when the municipal drainage biological filter is in use, the motor can be started, and with the cooperation of the motor and the screw, the slider slides along the guide rail. At the same time, with the cooperation of the two sets of sliders, the movable frame will move along the direction of the filter. Then the driving motor is started, and the driving motor will drive the connecting rod to reciprocate through the cam. At the same time, the connecting rod will pull the connecting rod and the connecting block through the rotating shaft. The movement of the connecting block will drive the brush plate at the bottom to slide along the slide groove at the bottom of the movable frame, so that the brush plate can move left and right. Through the front, back, left and right movement of the brush plate, the filter can be better cleaned, so that the filter will not be affected by excessive impurities and the treatment effect of municipal sewage. This is the use feature of the municipal drainage biological filter.

[0014] 1. When the municipal drainage biological filter is in use, the motor can be started so that the motor drives the movable frame to move through the screw and the slider, and the cam is driven to rotate by the driving motor, so that the cam pulls the connecting rod through the connecting rod to reciprocate. The reciprocating motion of the connecting rod will drive the brush plate to reciprocate through the connecting block. At this time, the brush plate can better clean the filter screen to avoid excessive impurities on the filter screen affecting the treatment effect of municipal sewage.

[0015] 2. When the municipal drainage biofilter is in use, the drive motor can be started to drive the bidirectional screw to rotate through the transmission shaft and the transmission belt. The rotation of the bidirectional screw will cooperate with the threaded sleeve to drive the scraper to move. When the two sets of scrapers move close to each other, the waste residue and impurities at the bottom of the tank body can be pushed into the collection tank. Then the top rod can be pulled to drive the push plate to discharge the waste residue and impurities in the collection tank out of the tank body through the slag discharge port, thereby facilitating the collection of the waste residue and impurities. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0017] Figure 2This is a schematic diagram of the three-dimensional structure of the utility model from a second viewing angle;

[0018] Figure 3 It is a schematic diagram of the three-dimensional cutaway structure of the pool body of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the collecting tank of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the brush plate of the utility model;

[0021] Figure 6 It is a three-dimensional structural schematic diagram of the movable frame of the utility model;

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the scraper of the utility model.

[0023] In the figure: 1. tank body; 2. aeration pipe; 3. air inlet pipe; 4. filling area; 5. filter screen; 6. outlet pipe; 7. guide rail; 8. slider; 9. screw; 10. movable frame; 11. brush plate; 12. connecting block; 13. connecting rod; 14. fixing block; 15. connecting rod; 16. cam; 17. driving motor; 18. transmission motor; 19. transmission shaft; 20. transmission belt; 21. bidirectional screw; 22. threaded sleeve; 23. scraper; 24. collecting trough; 25. push plate; 26. ejector. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: a biological filter for municipal drainage, comprising: a tank body 1 and an outlet pipe 6, an aeration pipe 2 is installed inside the tank body 1, one side of the aeration pipe 2 is connected to an air inlet pipe 3, a filling area 4 is arranged on the top of the aeration pipe 2, a filter screen 5 is arranged on the top of the filling area 4, and the outlet pipe 6 is connected to one side of the tank body 1;

[0026] Guide rails 7 are installed on both sides of the pool body 1, and a slider 8 is connected to the top of the guide rail 7, and a screw rod 9 is connected to the middle of a group of sliders 8, and the input end of the screw rod 9 is connected to a motor through a coupling, and a movable frame 10 is connected between the two groups of sliders 8. The bottom of the movable frame 10 is connected to a brush plate 11 through a slide groove, and a connecting block 12 that penetrates the movable frame 10 is installed on the top of the brush plate 11. A connecting rod 13 is installed on one side of the connecting block 12, and a fixed block 14 is sleeved on the outer side of the connecting rod 13. A connecting rod 15 is connected to one side of the connecting rod 13 through a rotating shaft, and a cam 16 is connected to the side of the connecting rod 15 away from the connecting rod 13 through a rotating shaft, and a driving motor 17 is connected to one side of the cam 16 through an output shaft. The fixed block 14 and the driving motor 17 are both installed on the top of the movable frame 10, and the movable frame 10 forms a sliding structure with the pool body 1 through the slider 8, and the cam 16 forms a rotating structure with the driving motor 17 through the output shaft.

[0027] In a specific implementation, when the filter screen 5 needs to be cleaned, the motor can be started to drive the screw 9 in the guide rail 7 to rotate. The outer side of the screw 9 is sleeved with a slider 8. Therefore, the rotation of the screw 9 drives the slider 8 to slide along the guide rail 7. At the same time, the slider 8 in another set of guide rails 7 can drive the movable frame 10 to move along the top of the filter screen 5.

[0028] When the movable frame 10 is moving, the driving motor 17 can be started, so that the driving motor 17 drives the cam 16 to rotate through the output shaft. When the cam 16 rotates, it will pull the connecting rod 15 through the rotating shaft to perform reciprocating motion. Since the connecting rod 15 is connected to the connecting rod 13 through the rotating shaft, when the cam 16 drives the connecting rod 15 to rotate to the far right, it will pull the connecting rod 13 to slide to the far right along the fixed block 14. The movement of the connecting rod 13 will drive the brush plate 11 in the bottom slide groove of the movable frame 10 to move to the right through the connecting block 12. When the cam 16 drives the connecting rod 15 to rotate to the left, it will drive the connecting block 12 to move to the left through the connecting rod 13, and pull the brush plate 11 to move to the left. By repeating the above steps, the brush plate 11 can move left and right. While moving left and right, the brush plate 11 will also slide back and forth through the movable frame 10, so that the impurities on the filter screen 5 can be better cleaned off, so that the filter screen 5 will not affect the treatment effect of municipal sewage.

[0029] See also Figure 1 , Figure 5 and Figure 6It can be seen that when in use, the slider 8 can drive the movable frame 10 to slide along the filter 5 through the cooperation of the motor and the screw 9. At the same time, through the cooperation of the driving motor 17 and the protrusion, the connecting rod 15 pulls the connecting rod 13 to move. When the connecting rod 13 moves, it will drive the brush plate 11 to slide left and right along the slide groove at the bottom of the movable frame 10, so as to better clean the impurities sticking to the surface of the filter 5.

[0030] A transmission motor 18 is installed on the top of the pool body 1, and the output end of the transmission motor 18 is connected to a transmission shaft 19 through a coupling. The outer side of the transmission shaft 19 is connected to a transmission belt 20 through a pulley, and the end of the transmission belt 20 away from the transmission shaft 19 is connected to a bidirectional screw rod 21 through a pulley. The outer side of the bidirectional screw rod 21 is sleeved with a threaded sleeve 22, and one side of the threaded sleeve 22 is connected to a scraper 23. A collecting groove 24 is opened in the middle of the pool body 1, and a push plate 25 is arranged inside the collecting groove 24. One side of the push plate 25 passes through the collecting groove 24 and is connected to a push rod 26. The scraper 23 is slidably connected to the inner wall of the pool body 1 through the threaded sleeve 22.

[0031] During specific implementation, when it is necessary to clean and collect impurities inside the tank body 1, the transmission motor 18 can be started, so that the transmission motor 18 drives the transmission shaft 19 to rotate through the coupling. When the transmission shaft 19 rotates, it will drive the bidirectional screw rod 21 to rotate through the pulley and the transmission belt 20. Two groups of threaded sleeves 22 are sleeved on the outer side of the bidirectional screw rod 21, and a scraper 23 that penetrates the inner wall groove of the tank body 1 is installed on one side of the threaded sleeve 22. At the same time, the other end of the scraper 23 is slidably connected to the inner wall of the tank body 1. Therefore, when the bidirectional screw rod 21 rotates, the scraper 23 is driven to move through the threaded sleeve 22. Since the two ends of the bidirectional screw rod 21 are in opposite directions, the two groups of scrapers 23 can be made to move close to each other with the cooperation of the threaded sleeve 22. When the two groups of scrapers 23 move close to each other, the impurities at the bottom of the tank body 1 can be pushed into the collecting tank 24 in the middle.

[0032] When there are too many waste slag impurities in the collecting tank 24, the valve of the slag discharge port can be opened, and then the push rod 26 on one side of the collecting tank 24 can be pulled, so that the push rod 26 drives the push plate 25 to move along the inside of the collecting tank 24. The movement of the push plate 25 can pull the waste slag in the collecting tank 24 out of the slag discharge port at the bottom of the collecting tank 24, thereby facilitating and quickly cleaning and collecting the waste slag inside the pool body 1.

[0033] See also Figure 2 , Figure 4 and Figure 7It can be seen that when in use, the transmission belt 20 can be driven to rotate by the cooperation of the transmission motor 18 and the transmission shaft 19 according to the use requirements. The rotation of the transmission belt 20 will drive the bidirectional screw 21 to rotate. At the same time, the threaded sleeve 22 and the scraper 23 can be used to push the impurities inside the pool body 1 into the collecting tank 24, and then the push rod 26 is pushed. The push rod 26 can push the waste slag out from the slag discharge port at the bottom of the collecting tank 24, thereby facilitating the collection and cleaning of the waste slag inside the pool body 1.

[0034] To sum up: when the municipal drainage biological filter is in use, the municipal sewage to be treated can be injected into the interior of the tank body 1 through a pipe. The municipal sewage will first pass through the filter 5 to filter large particles of impurities, and then pass through the filler area 4, which is filled with biomass. The pollutants in the water will be intercepted and decomposed through the filler area 4. At the same time, microorganisms treat organic matter in the wastewater through the process of biodegradation, and can also provide an environment suitable for the growth of microorganisms, which is helpful to improve water quality and achieve a certain degree of water self-purification. Finally, the gas can be transported to the aeration pipe 2 through the air inlet pipe 3. By adding air to the sewage, the oxidation decomposition process of microorganisms can be promoted. The strong oxygen supply can speed up the sewage treatment and improve the efficiency, thereby facilitating the treatment of municipal sewage. After the treatment is completed, the outlet pipe 6 can be opened to discharge the sewage from the tank body 1. This is the use feature of the municipal drainage biological filter. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A biological filter for municipal drainage, comprising: A tank body (1) and a water outlet pipe (6), characterized in that: an aeration pipe (2) is installed inside the tank body (1), one side of the aeration pipe (2) is connected to an air inlet pipe (3), a filling area (4) is provided at the top of the aeration pipe (2), a filter screen (5) is provided at the top of the filling area (4), and the water outlet pipe (6) is connected to one side of the tank body (1); Guide rails (7) are installed on both sides of the pool body (1), a slider (8) is connected through the top of the guide rail (7), a screw (9) is connected through the middle of a group of sliders (8), the input end of the screw (9) is connected to a motor via a coupling, a movable frame (10) is connected between the two groups of sliders (8), the bottom of the movable frame (10) is connected to a brush plate (11) via a slide groove, a connecting block (12) that passes through the movable frame (10) is installed on the top of the brush plate (11), a connecting rod (13) is installed on one side of the connecting block (12), a fixed block (14) is sleeved on the outer side of the connecting rod (13), a connecting rod (15) is connected to one side of the connecting rod (13) via a rotating shaft, a side of the connecting rod (15) away from the connecting rod (13) is connected to a cam (16) via a rotating shaft, and one side of the cam (16) is connected to a driving motor (17) via an output shaft.

2. A biological filter for municipal drainage according to claim 1, characterized in that: The fixed block (14) and the driving motor (17) are both mounted on the top of the movable frame (10), and the movable frame (10) forms a sliding structure with the tank body (1) via a sliding block (8).

3. A biological filter for municipal drainage according to claim 1, characterized in that: A transmission motor (18) is installed on the top of the pool body (1), and an output end of the transmission motor (18) is connected to a transmission shaft (19) via a coupling.

4. A biological filter for municipal drainage according to claim 3, characterized in that: The outer side of the transmission shaft (19) is connected to a transmission belt (20) via a belt pulley.

5. A biological filter for municipal drainage according to claim 4, characterized in that: One end of the transmission belt (20) away from the transmission shaft (19) is connected to a bidirectional screw rod (21) via a pulley.

6. A biological filter for municipal drainage according to claim 5, characterized in that: A threaded sleeve (22) is sleeved on the outer side of the bidirectional screw rod (21), and a scraper (23) is connected to one side of the threaded sleeve (22).

7. A biological filter for municipal drainage according to claim 1, characterized in that: A collecting groove (24) is provided in the middle of the pool body (1), a push plate (25) is provided inside the collecting groove (24), and one side of the push plate (25) passes through the collecting groove (24) and is connected to a push rod (26).

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