Sulfur autotrophic denitrification filter tank with automatic feeding system

Abstract

The utility model discloses a sulfur autotrophic denitrification filter tank with an automatic feeding system. The sulfur autotrophic denitrification filter tank comprises a mixing assembly, a discharging structure, a pushing assembly, a denitrification filter tank and a water inlet assembly, the water inlet assembly is arranged on one side of the denitrification filter tank; the material pushing assembly is arranged on the denitrification filter tank; the mixing assembly is connected with the discharging structure through a pipeline, and the discharging structure is arranged above the denitrification filter tank and is arranged on one side of the denitrification filter tank. The material supplementing device has the beneficial effects that specific material supplementing can be conducted on a certain area, at the moment, the material distributing valve is opened, padding can be supplemented to different areas, and padding accumulation is avoided through a push plate of the material returning assembly.

Description

Technical Field

[0001] This utility model belongs to the field of denitrification filter, and in particular relates to a sulfur autotrophic denitrification filter with an automatic dosing system. Background Technology

[0002] The self-trophic filter media is a synthetic material, primarily composed of elemental sulfur, supplemented with substances that provide alkalinity and trace elements required by microorganisms. It is synthesized from components such as inorganic electron donors, electron conductors, bio-promoters, and activity stabilizers, replacing organic carbon sources to efficiently drive the biological denitrification process. No sludge / bacterial inoculum needs to be added during commissioning. Raw materials are controllable during production, with no release of heavy metals or organic matter, ensuring the safety of downstream river water use.

[0003] In sulfur-autotrophic denitrification filters, the filter media is consumable and requires manual replenishment after a period of operation, which is currently the norm in existing projects. However, manual replenishment is prone to uneven distribution and may also lead to risks such as lowering the liquid level or water outages.

[0004] Current technology involves manual replenishment, but due to the relatively long length of the tanks, it is believed that replenishment will cause filter media to accumulate in certain areas. Uneven addition results in an uneven filter media layer. Furthermore, the addition of filter media is uneven within each tank. Utility Model Content

[0005] In view of this, the present invention aims to provide a sulfur autotrophic denitrification filter with an automatic dosing system to solve at least one technical problem in the background art.

[0006] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0007] A sulfur autotrophic denitrification filter with an automatic dosing system includes a mixing component, a discharge structure, a pushing component, a denitrification filter, and an influent component.

[0008] The inlet water assembly is located on one side of the denitrification filter.

[0009] The feed pusher assembly is installed on the denitrification filter.

[0010] The mixing component and the discharge structure are connected by a pipeline, and the discharge structure is located above the denitrification filter and on one side of the denitrification filter.

[0011] Furthermore, the mixing assembly includes an auger, a mixing tank, and a stirring motor;

[0012] The auger is inclined and set on one side of the mixing tank, the auger inlet is set on the side away from the mixing tank, and the auger outlet is set above the mixing tank.

[0013] The mixing motor is installed above the mixing tank. The output end of the mixing motor is connected to the rotating rod, and several mixing rods are arranged along the circumference of the rotating rod.

[0014] Furthermore, the discharge structure includes a buffer tank and a distribution assembly;

[0015] The mixing assembly is connected to the buffer tank via a piping assembly, which includes a main pipe and branch pipes. One side of the main pipe is connected to the mixing assembly, and the other side of the main pipe is connected to several branch pipes.

[0016] The other ends of several branch pipes are evenly arranged above the buffer tank, and several material distribution components are arranged below the buffer tank; a mortar pump is installed on the main pipe.

[0017] Furthermore, the material distribution assembly includes a material distribution pipe, a material distribution valve, and a material distribution plate;

[0018] The distribution pipe is connected to the bottom of the buffer tank, and the other end of the distribution pipe is connected to the distribution plate.

[0019] The material distribution valve is installed on the material distribution pipeline;

[0020] The material distribution plate is connected to the material distribution pipe, and the material distribution plate is provided with several material distribution holes.

[0021] Furthermore, the feeding assembly includes a base, an output motor, a horizontal telescopic rod, and a vertical telescopic rod;

[0022] The base is installed on one side of the denitrification filter. The base has a groove. The output motor is installed on one side of the base. The output end of the output motor has a threaded rod. The threaded rod is rotatably set in the groove of the base.

[0023] The threaded rod is equipped with a sliding block, which is located at the bottom of the horizontal telescopic rod. The telescopic end of the horizontal telescopic rod is connected to the vertical telescopic rod, and the output end of the vertical telescopic rod is equipped with a push plate.

[0024] Furthermore, an ultrasonic sensor is provided at the mounting end of the vertical telescopic pole;

[0025] The ultrasonic sensor is electrically connected to the controller.

[0026] Furthermore, the bottom of the denitrification filter is provided with support columns on both sides, and a water collection ditch is provided at the bottom of the denitrification filter. The water collection ditch is connected to the denitrification filter, and a support net is provided on the water collection ditch.

[0027] Furthermore, a water outlet pipe is provided on one side of the water collection ditch, and a water outlet valve is provided on the water outlet pipe.

[0028] Furthermore, the water inlet assembly includes an inlet tank and connecting pipes;

[0029] The inlet tank is connected to the upper part of the denitrification filter via a connecting pipe, which is equipped with a water pump.

[0030] A filter screen is installed in the water inlet tank.

[0031] Furthermore, a wastewater inlet pipe is installed at the top of the inlet pool, and a wastewater inlet valve is installed on the wastewater inlet pipe.

[0032] The wastewater inlet pipe is located above the filter screen, and the connecting pipe is located below the filter screen.

[0033] Compared with existing technologies, the sulfur autotrophic denitrification filter with an automatic dosing system described in this utility model has the following advantages:

[0034] 1. This application includes a discharge assembly and a pusher assembly. The discharge assembly divides the denitrification filter into several different zones. Specific feeding can be performed on a particular zone. Opening the distribution valves allows for the replenishment of packing material to different zones, and the pusher plate of the discharge assembly prevents packing material accumulation. If, after a certain period, all packing material needs to be replenished, all distribution valves are opened to allow feeding.

[0035] 2. Reduced labor costs: The ultrasonic sensor on the feeding assembly can monitor the height of the sulfur autotrophic denitrification biological packing material in the denitrification filter, and as it moves, it can detect multiple areas, reducing the cost of manual judgment.

[0036] 3. The water inlet area of ​​this application is a water inlet component, which treats wastewater separately, resulting in better wastewater treatment.

[0037] 4. The feeding method used in this application is auger feeding, which makes the feeding more uniform. Attached Figure Description

[0038] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0039] Figure 1 This is an overall schematic diagram of a sulfur autotrophic denitrification filter with an automatic dosing system according to an embodiment of the present invention;

[0040] Figure 2 This is a schematic diagram of the feeding assembly of a sulfur autotrophic denitrification filter with an automatic dosing system according to an embodiment of this utility model (the sulfur autotrophic denitrification biological packing, packing support layer, and gas distribution pipe are not shown).

[0041] Figure 3This is a top view schematic diagram of the pusher assembly of a sulfur autotrophic denitrification filter with an automatic dosing system according to an embodiment of the present invention (the sulfur autotrophic denitrification biological packing, packing support layer, and gas distribution pipe are not shown).

[0042] Explanation of reference numerals in the attached figures:

[0043] 1. Screwdriver; 2. Mixing tank; 3. Agitator motor; 4. Rotating rod; 5. Agitator rod; 6. Buffer tank; 7. Main pipe; 8. Branch pipe; 9. Mortar pump; 10. Distribution pipe; 11. Distribution valve; 12. Distribution plate; 13. Distribution hole; 14. Base; 15. Output motor; 16. Horizontal telescopic rod; 17. Vertical telescopic rod; 18. Groove; 19. Threaded rod; 20. Push plate; 21. Ultrasonic sensor; 22. Support column; 23. Water collection ditch; 24. Support net; 25. Denitrification filter; 26. Outlet pipe; 27. Outlet valve; 28. Inlet tank; 29. ​​Connecting pipe; 30. Water pump; 31. Wastewater inlet pipe; 32. Wastewater inlet valve; 33. Filter screen. Detailed Implementation

[0044] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0045] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0046] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0047] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0048] A sulfur autotrophic denitrification filter 25 with an automatic dosing system includes a mixing component, a discharge structure, a pushing component, a denitrification filter 25, and an inlet component. The inlet component is located on one side of the denitrification filter 25. The pushing component is located on the denitrification filter 25. The mixing component and the discharge structure are connected by a pipeline, and the discharge structure is located above the denitrification filter 25 and on one side of the denitrification filter 25.

[0049] The mixing assembly includes an auger 1, a mixing tank 2, and a stirring motor 3. The auger 1 is inclined and set on one side of the mixing tank 2. The feed inlet of the auger 1 is set on the side away from the mixing tank 2, and the discharge outlet of the auger 1 is set above the mixing tank 2. The stirring motor 3 is installed above the mixing tank 2. The output end of the stirring motor 3 is connected to the rotating rod 4. Several stirring rods 5 are arranged along the circumference of the rotating rod 4.

[0050] The discharge structure includes a buffer tank 6 and a material distribution component; the mixing component is connected to the buffer tank 6 through a pipeline assembly, which includes a main pipe 7 and branch pipes 8. One side of the main pipe 7 is connected to the mixing component, and the other side of the main pipe 7 is connected to several branch pipes 8; the other ends of several branch pipes 8 are evenly arranged above the buffer tank 6, and several material distribution components are arranged below the buffer tank 6; a mortar pump 9 is provided on the main pipe 7.

[0051] The material distribution assembly includes a material distribution pipe 10, a material distribution valve 11, and a material distribution plate 12. The material distribution pipe 10 is connected to the bottom of the buffer tank 6, and the other end of the material distribution pipe 10 is connected to the material distribution plate 12. The material distribution valve 11 is installed on the material distribution pipe 10. The material distribution plate 12 is connected to the material distribution pipe 10, and the material distribution plate 12 is provided with a number of material distribution holes 13.

[0052] The feeding assembly includes a base 14, an output motor 15, a horizontal telescopic rod 16, and a vertical telescopic rod 17. The base 14 is installed on one side of the denitrification filter 25 and has a groove 18. The output motor 15 is installed on one side of the base 14 and has a threaded rod 19 at its output end. The threaded rod 19 is rotatably disposed in the groove 18 of the base 14. The threaded rod 19 has a sliding block at its bottom. The sliding block is located at the bottom of the horizontal telescopic rod 16. The telescopic end of the horizontal telescopic rod 16 is connected to the vertical telescopic rod 17. The output end of the vertical telescopic rod 17 has a push plate 20.

[0053] An ultrasonic sensor 21 is installed at the mounting end of the vertical telescopic rod 17; the ultrasonic sensor 21 is electrically connected to the controller, the controller adopts existing PLC technology, the ultrasonic sensor 21 adopts existing technology, and the model of the ultrasonic sensor 21 is UM18-2 Core.

[0054] The denitrification filter 25 has support columns 22 on both sides of its bottom and a water collection ditch 23 at its bottom, which is connected to the denitrification filter 25. A support net 24 is provided on the water collection ditch 23. The denitrification filter 25 has a sulfur autotrophic denitrification biological packing layer (using existing biological packing), a packing support layer (using pebbles and quartz sand), and a support layer in sequence from top to bottom. The denitrification filter 25 has an air distribution pipe at its bottom with several air distribution holes. The support layer is a filter screen, and the air distribution pipe is located below the filter screen. The air distribution pipe is connected to an external air source through a pipe. The internal structure of the denitrification filter is based on existing technology, and it is necessary to ensure that the uppermost layer is a sulfur autotrophic denitrification biological packing layer.

[0055] The air distribution pipes utilize existing technology, with two air distribution pipes symmetrically arranged at the bottom of the denitrification filter 25. A water outlet pipe 26 is located on one side of the water collection ditch 23, and a water outlet valve 27 is installed on the water outlet pipe 26. The water inlet assembly includes an inlet tank 28 and a connecting pipe 29; the inlet tank 28 is connected to the upper part of the denitrification filter 25 via the connecting pipe 29, and a water pump 30 is installed on the connecting pipe 29. A filter screen 33 is installed inside the inlet tank 28.

[0056] A wastewater inlet pipe 31 is located at the top of the inlet tank 28, and a wastewater inlet valve 32 is installed on the wastewater inlet pipe 31. The wastewater inlet pipe 31 is positioned above the filter screen 33, and the connecting pipe 29 is positioned below the filter screen. After the wastewater passes through the inlet tank 28, larger impurities are removed. When the water intake stops, the wastewater inlet valve 32 is closed. The amount of filter media to be added is calculated based on the amount of nitrate nitrogen removed during operation. The liquid level is detected by an ultrasonic sensor. If the liquid level is higher than the maximum liquid level, the wastewater intake stops, and the wastewater inlet valve 32 is closed.

[0057] Feed is introduced through the inlet of auger 1. The motor of auger 1 is turned on, and the screw conveyor transports the filter media to the mixing tank. Water is then added to the mixing tank to prepare a filter media slurry. The filter media is then evenly transported to the storage tank through the main pipe 7 and branch pipe 8 by the slurry pump 9. A fixed amount is delivered to the storage tank by the slurry pump 9. After the addition is completed, the system outlet is closed, and the balance moving system moves back to its original position. At the same time, the filter media layer is detected during the movement. The output motor 15 starts to rotate, which drives the threaded rod 19 to rotate. The threaded rod 19 drives the sliding block to move along the threaded rod 19. The sliding block drives the horizontal telescopic rod 16 to move along the length of the denitrification filter 25. An ultrasonic sensor 21 is installed on the vertical telescopic rod 17 to detect the height of the sulfur autotrophic denitrification biological packing in the denitrification filter 25. If a low filter media layer is detected at this point, the corresponding distribution valve 11 is opened. The filter media slurry enters the denitrification filter 25 under the action of gravity, replenishing the sulfur autotrophic denitrification biological packing. At this time, the vertical telescopic rod 17 moves downward, driving the push plate 20 to move downward, so that the push plate 20 is above the sulfur autotrophic denitrification biological packing. Then, the horizontal telescopic rod 16 starts to move, driving the push plate 20 to move along the width of the denitrification filter 25, thereby leveling the sulfur autotrophic denitrification biological packing.

[0058] During the operation of the sulfur autotrophic filter, the filter media needs to be replenished after a period of operation. At this time, all the distribution valves 11 are opened to replenish the sulfur autotrophic denitrification biological packing. The pushing components are operated as follows: the vertical telescopic rod 17 moves downward, driving the push plate 20 to move downward, so that the push plate 20 is above the sulfur autotrophic denitrification biological packing. At this time, the horizontal telescopic rod 16 starts to move, driving the push plate 20 to move along the width of the denitrification filter 25, thereby pushing the sulfur autotrophic denitrification biological packing flat.

[0059] The treated wastewater can be collected in the collection ditch 23 and discharged through the outlet pipe 26 and controlled by the outlet valve 27.

[0060] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sulfur autotrophic denitrification filter with an automatic dosing system, characterized in that: Includes mixing components, discharge structure, feeding components, denitrification filter, and influent components; The inlet water assembly is located on one side of the denitrification filter. The feed pusher assembly is installed on the denitrification filter. The mixing component and the discharge structure are connected by a pipeline, and the discharge structure is located on one side of the denitrification filter.

2. The sulfur autotrophic denitrification filter with an automatic dosing system according to claim 1, characterized in that: The mixing assembly includes an auger, a mixing tank, and a stirring motor; The auger is inclined and set on one side of the mixing tank, the auger inlet is set on the side away from the mixing tank, and the auger outlet is set above the mixing tank. The mixing motor is installed above the mixing tank. The output end of the mixing motor is connected to the rotating rod, and several mixing rods are arranged along the circumference of the rotating rod.

3. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 1, characterized in that: The discharge structure includes a buffer tank and a distribution assembly; The mixing assembly is connected to the buffer tank via a piping assembly, which includes a main pipe and branch pipes. One side of the main pipe is connected to the mixing assembly, and the other side of the main pipe is connected to several branch pipes. The other ends of several branch pipes are evenly arranged above the buffer tank, and several material distribution components are arranged below the buffer tank; a mortar pump is installed on the main pipe.

4. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 3, characterized in that: The material distribution assembly includes material distribution pipes, material distribution valves, and material distribution plates; The distribution pipe is connected to the bottom of the buffer tank, and the other end of the distribution pipe is connected to the distribution plate. The material distribution valve is installed on the material distribution pipeline; The material distribution plate is connected to the material distribution pipe, and the material distribution plate is provided with several material distribution holes.

5. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 3, characterized in that: The feeding assembly includes a base, an output motor, a horizontal telescopic rod, and a vertical telescopic rod; The base is installed on one side of the denitrification filter. The base has a groove. The output motor is installed on one side of the base. The output end of the output motor has a threaded rod. The threaded rod is rotatably set in the groove of the base. The threaded rod is equipped with a sliding block, which is located at the bottom of the horizontal telescopic rod. The telescopic end of the horizontal telescopic rod is connected to the vertical telescopic rod, and the output end of the vertical telescopic rod is equipped with a push plate.

6. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 5, characterized in that: An ultrasonic sensor is installed at the mounting end of the vertical telescopic pole; The ultrasonic sensor is electrically connected to the controller.

7. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 1, characterized in that: The bottom of the denitrification filter is equipped with support columns on both sides, and a water collection ditch is located at the bottom of the denitrification filter. The water collection ditch is connected to the denitrification filter and is equipped with a support net.

8. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 7, characterized in that: A water outlet pipe is installed on one side of the water collection ditch, and a water outlet valve is installed on the water outlet pipe.

9. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 1, characterized in that: The water inlet assembly includes an inlet tank and connecting pipes; The inlet tank is connected to the upper part of the denitrification filter via a connecting pipe. The connecting pipe is equipped with a water pump, and the inlet tank is equipped with a filter screen.

10. A sulfur autotrophic denitrification filter with an automatic dosing system according to claim 1, characterized in that: The upper part of the inlet pool is equipped with a wastewater inlet pipe, which is equipped with a wastewater inlet valve. The wastewater inlet pipe is located above the filter screen, and the connecting pipe is located below the filter screen.

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