Double-medium denitrification filter tank with light filter material

Abstract

The utility model discloses a double-medium light filter material denitrification filter tank which comprises a filter tank body, rotating grooves are formed in the inner walls of the two sides of the filter tank body, rotating blocks are rotationally connected in the rotating grooves, a filter plate is fixedly connected between the two rotating blocks, and a sealing shaft is fixedly connected to the end side, away from the filter plate, of each rotating block. The sealing shafts are rotationally connected with the filter tank body in a sealed mode, first gears are fixedly connected to the ends, away from the rotating blocks, of the sealing shafts, second gears are meshed with the outer edges of the first gears, rotating shafts are fixedly connected to the second gears, and the rotating shafts are rotationally connected with the filter tank. The second gear is meshed with the first gear, so that the filter plate is overturned, a light filter material is conveniently added into the filter tank, the filter material adding efficiency is improved, rapid overturning and resetting are facilitated, the flexibility of the filter plate in the use process is improved, and meanwhile, the filter plate can be washed by a backwashing pipe and is prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a double-medium light filter material denitrification filter tank. Background Art

[0002] Filters are widely used, not only for secondary sewage treatment, but also for deep treatment of effluent from secondary sewage treatment plants. According to the fillers, filters can be divided into suspended filler filters and submerged filler filters; according to the functions, they can be divided into carbon removal filters, nitrification filters, denitrification filters and combined filters. Substances such as organic matter, ammonia nitrogen, and total nitrogen in sewage need to be removed by microorganisms attached to and growing on the filter media, and suspended matter also needs to be removed by the interception effect of the filter media.

[0003] In the process of using the existing denitrification filter, the filter plate and the dual-media lightweight filter material are usually used in combination to treat the sewage. Since the filter has a certain area during the construction process, in order to ensure the stability of the filter plate during use, it is usually fixed with angle steel and fixing bolts to ensure the stability of the filter plate. However, once the filter material needs to be added to the filter, the filter plate needs to be disassembled, and the disassembly process is relatively cumbersome, resulting in each process of adding filter material being time-consuming and labor-intensive, and it is not convenient to add it quickly to ensure the continuous operation of the filter. Utility Model Content

[0004] The utility model aims to provide a dual-medium lightweight filter media denitrification filter tank, which can rotate one of the rotating shafts through the rotation of the forward and reverse motors to achieve the meshing between the second gear and the first gear, thereby flipping the filter plate, making it convenient to add lightweight filter media into the filter tank, improving the efficiency of adding filter media, facilitating rapid flipping and resetting, and improving the flexibility of the filter plate during use. At the same time, the backwashing pipe can flush the filter plate to prevent the filter plate from being blocked.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dual-media lightweight filter media denitrification filter, comprising a filter body, inner walls on both sides of the filter body are provided with rotating grooves, rotating blocks are rotatably connected in the rotating grooves, a filter plate is fixedly connected between the two rotating blocks, a sealing shaft is fixedly connected to the end of the rotating block away from the filter plate, the sealing shaft is sealingly and rotatably connected to the filter body, the end of the sealing shaft away from the rotating block is fixedly connected to a first gear, a second gear is meshed on the outer edge of the first gear, a rotating shaft is fixedly connected to the second gear, the rotating shaft is rotatably connected to the filter body, a fixing frame is fixedly connected to one side of the filter body, a forward and reverse motor is fixedly connected to the inner side of the fixing frame, the output end of the forward and reverse motor is connected to one of the rotating shafts, and a backwashing pipe is fixedly connected to the inner bottom wall of the filter body.

[0006] The beneficial effects of the utility model are as follows: through the action of the forward and reverse motors, one of the rotating shafts can be driven by the corresponding second gear and the first gear to rotate, and the other first gear and the second gear can be meshed and rotated accordingly, so that the filter plate can be turned over, which can facilitate the staff to add filter material into the filter tank, improve the speed of adding filter material, and avoid the problem of a large number of disassembly fixings and the trouble of adding filter material;

[0007] In order to add filter media into the filter tank body;

[0008] As a further improvement of the above technical solution: the backwash pipe is in a U-shape, a plurality of evenly distributed flushing heads are fixedly connected to the outer wall of the backwash pipe, the flushing heads are arranged upward, an air supply pipe is fixedly connected to the backwash pipe, and an air valve is fixedly connected to the air supply pipe.

[0009] The beneficial effects of this improvement are as follows: by opening the air valve, air can pass through the multiple flushing cylinders on the backwashing pipe to roll the water source in the filter tank body, and with the use of the first light filter material and the second light filter material, the bottom of the filter plate is frictionally flushed, thereby cleaning the bottom of the filter plate and preventing the filter plate from being blocked;

[0010] In order to clean the bottom of the filter plate and prevent clogging;

[0011] As a further improvement of the above technical solution: fixing rods are fixedly connected to the inner walls on the other two sides of the filter tank body, and elastic baffles are fixedly connected to the opposite sides of the two fixing rods, and the elastic baffles are movably connected to the filter plate.

[0012] The beneficial effects of this improvement are: through the action of the fixing rod and the elastic baffle, the fixing rod and the filter plate can be deformed in contact, so as to provide sufficient space for the rotation of the filter plate, and ensure that the filter plate is prevented from moving to the top of the filter plate during use, and prevent the light filter material from floating up;

[0013] In order to cover both sides of the filter plate and facilitate the flipping of the filter plate;

[0014] As a further improvement of the above technical solution: a sealing groove is opened on the inner wall of the rotating groove, and a sealing ring is arranged in the sealing groove.

[0015] The beneficial effects of this improvement are: through the use of the sealing groove and the sealing ring, the effective sealing of the rotating groove position can be ensured to prevent the water source in the filter tank from leaking;

[0016] In order to achieve sealing treatment of the position of the rotating groove;

[0017] As a further improvement of the above technical solution: a water outlet pipe is provided on one side of the fixing frame, the water outlet pipe is communicated with the filter tank body, and a water outlet valve is fixedly connected to the water outlet pipe.

[0018] The beneficial effects of this improvement are: through the use of the outlet pipe and the outlet valve, the treated water source can be collected and discharged in a centralized manner, thereby improving the sustainability of the filter tank, and the outlet valve can flexibly control the opening and closing of the outlet pipe;

[0019] In order to collect and discharge the treated water;

[0020] As a further improvement of the above technical solution: a side of the filter tank body away from the water outlet pipe is fixedly connected to a water inlet pipe, and a water inlet valve is fixedly connected to the water inlet pipe.

[0021] The beneficial effects of this improvement are: the use of the water inlet pipe and the water inlet valve can flexibly control the opening and closing of the water inlet pipe through the water inlet valve, which is convenient for conveying sewage into the filter tank, ensuring that the water source in the filter tank can be conveyed continuously and stably, and improving the processing speed;

[0022] In order to transport sewage;

[0023] As a further improvement of the above technical solution: a first light filter material layer and a second light filter material layer are respectively provided in the filter tank body.

[0024] The beneficial effects of this improvement are: by using the first light filter material and the second light filter material, the sewage can be effectively treated and the effect of sewage purification can be improved;

[0025] In order to achieve rapid treatment of sewage. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 An isometric structural schematic diagram provided for the utility model;

[0027] Figure 2 A top view provided for the utility model;

[0028] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0029] Figure 4 The utility model provides Figure 3 The enlarged view of point A in the middle;

[0030] Figure 5 The utility model provides Figure 2 Cross-section view at AA in the middle.

[0031] In the figure, 1, filter tank body; 11, rotating groove; 12, rotating block; 13, filter plate; 14, sealing shaft; 15, first gear; 16, second gear; 17, rotating shaft; 18, fixing frame; 19, forward and reverse motor; 20, backwashing pipe; 31, flushing head; 32, air pipe; 33, air valve; 41, fixing rod; 42, elastic baffle; 51, sealing groove; 52, sealing ring; 61, water outlet pipe; 62, water outlet valve; 71, water inlet pipe; 72, water inlet valve; 81, first light filter material layer; 82, second light filter material layer. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0033] like Figures 1 to 5As shown, a dual-medium lightweight filter material denitrification filter provided by an embodiment of the utility model includes a filter body 1, and rotating grooves 11 are opened on the inner walls on both sides of the filter body 1, and rotating blocks 12 are rotatably connected in the rotating grooves 11, and a filter plate 13 is fixedly connected between the two rotating blocks 12, and the two rotating blocks 12 can flip with the filter plate 13, and a sealing shaft 14 is fixedly connected to the end side of the rotating block 12 away from the filter plate 13, and the sealing shaft 14 is sealed and rotatably connected to the filter body 1, and the end of the sealing shaft 14 away from the rotating block 12 is fixedly connected to a first gear 15, and a second gear 16 is meshed with the outer edge of the first gear 15, and a rotating shaft 17 is fixedly connected to the second gear 16, and the rotating shaft 17 is rotatably connected to the filter body 1, and one side of the filter body 1 is fixedly connected A fixing frame 18 is provided, and a forward and reverse motor 19 is fixedly connected to the inner side of the fixing frame 18. The fixing frame 18 can fix the forward and reverse motor 19 to ensure the stable output of the forward and reverse motor 19. The output end of the forward and reverse motor 19 is connected to one of the rotating shafts 17. Under the action of the forward and reverse motor 19, the second gear 16 on one of the rotating shafts 17 rotates with the meshing first gear 15, so that through the connection relationship of the filter plate 13, another second gear 16 rotates with the meshing second gear 16, so as to realize the flipping of the filter plate 13, which is convenient for adding filter material into the filter tank body 1. A backwashing pipe 20 is fixedly connected to the inner bottom wall of the filter tank body 1. The backwashing pipe 20 is in a round shape. A plurality of evenly distributed flushing heads 31 are fixedly connected to the outer wall of the backwashing pipe 20 to flush the filter. The washing head 31 is arranged upward, and the backwashing pipe 20 is fixedly connected with an air supply pipe 32, and the air supply pipe 32 is fixedly connected with an air valve 33. By opening the air valve 33, air can enter the backwashing pipe 20 through the air supply pipe 32 and be sprayed out through multiple washing heads 31 to roll the water source in the filter tank body 1 to achieve cleaning of the bottom of the filter plate 13. The filter tank body 1 is respectively provided with a first light filter material layer 81 and a second light filter material layer 82. The filter material in the first light filter material layer 81 and the second light filter material layer 82 can be brought by the rolling water source to rub against the bottom of the filter plate 13, thereby achieving cleaning of the bottom of the filter plate 13 and preventing the filter plate 13 from being blocked. At the same time, the first light filter material layer 81 and the second light filter material layer 82 can quickly treat the sewage. The filter tank body 1 is designed to have a plurality of filter elements 12 and 12 which are adapted to move the filter media 100 to a desired position. The filter tank body 1 is designed to have a plurality of filter elements 12 which are adapted to move the filter media 100 to a desired position. The filter tank body 1 is designed to have a plurality of filter elements 12 which are adapted to move the filter media 100 to a desired position. The filter tank body 1 is designed to have a plurality of filter elements 12 which are adapted to move the filter media 100 to a desired position.A water outlet pipe 61 is provided on one side of the fixing frame 18, and the water outlet pipe 61 is communicated with the filter tank body 1. A water outlet valve 62 is fixedly connected to the water outlet pipe 61. The use of the water outlet pipe 61 and the water outlet valve 62 can collect and discharge the treated water source. A water inlet pipe 71 is fixedly connected to the side of the filter tank body 1 away from the water outlet pipe 61. A water inlet valve 72 is fixedly connected to the water inlet pipe 71. The use of the water inlet pipe 71 and the water inlet valve 72 can transport the sewage to be treated into the filter tank body 1, ensuring the continuous and stable operation of the filter tank body 1.

[0034] The working principle and use process of the utility model are as follows: when in use, the first light filter material layer 81 and the second light filter material layer 82 can quickly process sewage. After the filter tank body 1 has been working for a period of time, the air valve 33 is opened to allow gas to enter the backwash pipe 20 through the air pipe 32, and the filter plate 13 is flushed through the plurality of flushing heads 31 on the pipe flushing pipe. During the flushing process, the filter materials in the first light filter material layer 81 and the second light filter material layer 82 will rub against the filter plate 13 to process the dirt at the bottom of the filter plate 13 and prevent the filter plate 13 from being blocked. After the flushing is completed, the filter plate 13 is closed. The air valve 33, when it is necessary to add filter material to the filter tank body 1, through the action of the forward and reverse motor 19, one of the rotating shafts 17 drives the second gear 16 and the corresponding first gear 15 to rotate, and cooperates with the first gear 15 and the second gear 16 on the other side, the filter plate 13 can be easily flipped, and filter material is added from the raised side of the filter plate 13, and then the forward and reverse motor 19 is flipped to reset the filter plate 13. The elastic baffles 42 on both sides of the bottom of the filter plate 13 can prevent the first lightweight filter material layer 81 and the second lightweight filter material layer 82 from floating up, so as to realize the use process of the entire dual-medium lightweight filter material denitrification filter tank.

[0035] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0036] 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 dual-medium lightweight filter material denitrification filter, comprising a filter body (1), characterized in that: The inner walls of both sides of the filter tank body (1) are provided with rotation grooves (11), a rotation block (12) is rotationally connected in the rotation groove (11), a filter plate (13) is fixedly connected between the two rotation blocks (12), a sealing shaft (14) is fixedly connected to one end of the rotation block (12) away from the filter plate (13), and the sealing shaft (14) is sealingly rotationally connected to the filter tank body (1); The end of the sealing shaft (14) away from the rotating block (12) is fixedly connected to a first gear (15); the outer edge of the first gear (15) is meshed with a second gear (16); the second gear (16) is fixedly connected to a rotating shaft (17); the rotating shaft (17) is rotatably connected to the filter tank body (1); a fixed frame (18) is fixedly connected to one side of the filter tank body (1); a forward and reverse motor (19) is fixedly connected to the inner side of the fixed frame (18); the output end of the forward and reverse motor (19) is connected to one of the rotating shafts (17); and a backwashing pipe (20) is fixedly connected to the inner bottom wall of the filter tank body (1).

2. A dual-medium light filter material denitrification filter according to claim 1, characterized in that: The backwash pipe (20) is in a circular shape, and a plurality of evenly distributed flushing heads (31) are fixedly connected to the outer wall of the backwash pipe (20), and the flushing heads (31) are arranged upward. The backwash pipe (20) is fixedly connected to an air supply pipe (32), and the air supply pipe (32) is fixedly connected to an air valve (33).

3. A dual-medium light filter material denitrification filter according to claim 1, characterized in that: The inner walls on the other two sides of the filter tank body (1) are fixedly connected with fixing rods (41), and the opposite sides of the two fixing rods (41) are fixedly connected with elastic baffles (42), and the elastic baffles (42) are movably connected to the filter plate (13).

4. A dual-medium light filter material denitrification filter according to claim 1, characterized in that: A sealing groove (51) is provided on the inner wall of the rotating groove (11), and a sealing ring (52) is provided in the sealing groove (51).

5. A dual-medium light filter material denitrification filter according to claim 1, characterized in that: A water outlet pipe (61) is provided on one side of the fixing frame (18), the water outlet pipe (61) is in communication with the filter tank body (1), and a water outlet valve (62) is fixedly connected to the water outlet pipe (61).

6. A dual-medium light filter material denitrification filter according to claim 5, characterized in that: A water inlet pipe (71) is fixedly connected to a side of the filter tank body (1) away from the water outlet pipe (61), and a water inlet valve (72) is fixedly connected to the water inlet pipe (71).

7. A dual-medium light filter material denitrification filter according to claim 1, characterized in that: A first light filter material layer (81) and a second light filter material layer (82) are respectively provided in the filter tank body (1).

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