Multi-stage filtering device for sewage treatment

Abstract

The utility model relates to the technical field of multi-stage filtering, in particular to a multi-stage filtering device for sewage treatment, which comprises a filtering box, a plurality of obliquely arranged filtering pipes are fixedly connected to the middle of the filtering box, the filtering pipes are arranged side by side up and down, and openings are formed in the tops of the filtering pipes in the filtering box. The two sides of the opening coincide with the two side faces of the inner wall of the filter box, and top openings of the multiple filter pipes penetrate out of the filter box and are inclined upwards. The multi-stage filtering device has the advantages that multi-stage filtering can be achieved through the multiple filtering pipes, meanwhile, the obliquely-arranged filtering pipes can prevent water from overflowing from the outlets of the filtering pipes, impurities intercepted on the inner walls of the filtering pipes can be gradually pushed upwards through the rotating material pushing packing auger till the impurities are pushed to the outlets in the tops of the filtering pipes, and therefore the impurities can be effectively filtered. And the filtered impurities are automatically discharged, so that the impurities are continuously cleaned in the filtering process, the machine does not need to be stopped for cleaning, and the filtering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage filtration, in particular to a multi-stage filtration device for sewage treatment. Background Art

[0002] In the process of sewage treatment, the sewage needs to be filtered first. When filtering the sewage, a multi-stage filtration device for sewage treatment is needed.

[0003] At present, the multi-stage filtering device is mostly to set multiple filter screens inside the filter box for multi-stage filtering, and through the pull-out design, the filter screens are regularly pulled out for cleaning. However, this kind of multi-stage filtering device still has the following problems during use:

[0004] The current multi-stage filtering device cannot automatically clean the impurities on the surface of the filter screen during the filtering process, resulting in the need for regular shutdown for cleaning and the inability to filter continuously, which affects the filtering efficiency. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a multi-stage filtering device for sewage treatment to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a multi-stage filtering device for sewage treatment, including a filter box, a plurality of inclined filter tubes are fixedly connected to the middle part of the filter box, and the plurality of filter tubes are arranged side by side up and down, and the tops of the plurality of filter tubes located inside the filter box are provided with open openings, and the two sides of the open openings coincide with the two side surfaces of the inner wall of the filter box, and the top openings of the plurality of filter tubes pass through the outside of the filter box and are inclined upward, and the centers of the inner walls of the plurality of filter tubes are rotatably connected with a pushing auger, the diameter of the pushing auger is adapted to the diameter of the inner wall of the filter tube, and the length of the pushing auger is greater than the length of the filter box, and the bottom surfaces of the plurality of filter tubes are provided with a plurality of filter holes at positions inside the filter box, and the filter holes on the bottom surfaces of the plurality of filter tubes gradually decrease from top to bottom, an input pipe is fixedly connected to the center of the top surface of the filter box, and a drainage pipe is fixedly connected to the center of one side surface of the bottom of the filter box.

[0008] Preferably, any of the above schemes has one end of the central axis of the pushing auger passing through the center of the bottom end of the filter tube, and one end of the central axis of the pushing auger passing through the bottom end of the filter tube is fixedly connected to a driven worm gear, one side of the top of the filter box is fixedly connected to a support top plate, one side of the bottom surface of the support top plate is rotatably connected to a transmission worm, and one side of the transmission worm is meshingly connected to a plurality of driven worm gears at the same time.

[0009] The technical effect achieved by adopting the above scheme is that multiple driven worm gears can be driven to rotate synchronously through the transmission worm transmission, thereby driving multiple pusher augers to rotate synchronously.

[0010] Preferably, any of the above schemes is that a reduction motor is fixedly connected to one side of the top surface of the support top plate, and the output end of the reduction motor is fixedly connected to the top end of the transmission worm.

[0011] The technical effect achieved by adopting the above scheme is that the transmission worm is driven to rotate by the reduction motor, so that the rotation of the worm can be more stable.

[0012] Preferably, any of the above schemes is that a support plate is fixedly connected to the bottom of one side of the filter box, and the bottom end of the transmission worm is rotatably connected to the support plate.

[0013] The technical effect achieved by adopting the above solution is: the bottom of the transmission worm is connected by the support plate, so that the transmission worm is positioned both up and down, making its rotation more stable.

[0014] Preferably, any of the above schemes has different lengths of the top openings of the filter tubes extending outside the filter box, and the lengths of the top openings of the filter tubes extending outside the filter box gradually shorten from top to bottom.

[0015] The technical effect achieved by adopting the above scheme is: the impurities output by different filter tubes are output to different positions, which is convenient for classification and collection.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] The multi-stage filtering device for sewage treatment can realize multi-stage filtering through a plurality of the filtering tubes. At the same time, the inclined filtering tubes can prevent water from overflowing from the outlets of the filtering tubes. Then, the impurities intercepted by the inner walls of the filtering tubes can be gradually pushed upward by the rotating pushing auger until they reach the outlet at the top of the filtering tube, so that the filtered impurities are automatically discharged. In this way, impurities are continuously cleaned during the filtering process without stopping the machine for cleaning, thereby improving the filtering efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA.

[0021] In the figure: 1-filter box, 4-filter tube, 5-input pipe, 6-pushing auger, 7-driven worm gear, 8-supporting pallet, 9-driving worm, 10-supporting top plate, 11-reduction motor, 12-drain pipe. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] Embodiment 1: Figures 1 to 3 As shown, a multi-stage filtering device for sewage treatment comprises a filter box 1, a plurality of inclined filter tubes 4 are fixedly connected to the middle of the filter box 1, the plurality of filter tubes 4 are arranged side by side up and down, the tops of the plurality of filter tubes 4 located inside the filter box 1 are provided with open openings, the two sides of the open openings coincide with the two side surfaces of the inner wall of the filter box 1, the top openings of the plurality of filter tubes 4 penetrate the outside of the filter box 1 and are inclined upward, the centers of the inner walls of the plurality of filter tubes 4 are rotatably connected with pusher auger 6, the diameter of the pusher auger 6 is adapted to the diameter of the inner wall of the filter tube 4, the length of the pusher auger 6 is greater than the length of the filter box 1, the bottom surfaces of the plurality of filter tubes 4 located inside the filter box 1 are provided with a plurality of filter holes, the filter holes on the bottom surfaces of the plurality of filter tubes 4 are gradually reduced from top to bottom, an input pipe 5 is fixedly connected to the center of the top surface of the filter box 1, and a drain pipe 12 is fixedly connected to the center of one side surface of the bottom of the filter box 1.

[0024] As an optional technical solution of the utility model, one end of the central axis of the pushing auger 6 passes through the center of the bottom end of the filter tube 4, and the end of the central axis of the pushing auger 6 that passes through the bottom of the filter tube 4 is fixedly connected to a driven worm gear 7, and one side of the top of the filter box 1 is fixedly connected to a support top plate 10, and one side of the bottom surface of the support top plate 10 is rotatably connected to a transmission worm 9, and one side of the transmission worm 9 is simultaneously meshed with a plurality of driven worm gears 7. Through the transmission of the transmission worm 9, multiple driven worm gears 7 can be driven to rotate synchronously, thereby driving a plurality of pushing augers 6 to rotate synchronously.

[0025] As an optional technical solution of the utility model, a reduction motor 11 is fixedly connected to one side of the top surface of the supporting top plate 10, and the output end of the reduction motor 11 is fixedly connected to the top end of the transmission worm 9. The transmission worm 9 is driven to rotate by the reduction motor 11, which can make its rotation more stable.

[0026] As an optional technical solution of the present invention, a support plate 8 is fixedly connected to the bottom of one side of the filter box 1, and the bottom end of the transmission worm 9 is rotatably connected to the support plate 8. The bottom of the transmission worm 9 is connected through the support plate 8, so that the transmission worm 9 is positioned both up and down, making its rotation more stable.

[0027] As an optional technical solution of the utility model, the lengths of the top openings of several filter tubes 4 extending outside the filter box 1 are different, and the lengths of the top openings of several filter tubes 4 extending outside the filter box 1 are gradually shortened from top to bottom, so that the impurities output by different filter tubes 4 are output to different positions, which is convenient for classification and collection.

[0028] A multi-stage filtration device for sewage treatment, the working principle is as follows:

[0029] 1) After the sewage is input through the input pipe 5, the sewage falls into the interior of the topmost filter pipe 4;

[0030] 2) Perform multi-stage filtration through a plurality of filter tubes 4;

[0031] 3) The inclined filter tube 4 can prevent water from overflowing from the outlet of the filter tube 4, and then the impurities intercepted by the inner wall of the filter tube 4 can be gradually pushed upward by the rotating pushing auger 6 until they are pushed to the outlet at the top of the filter tube 4, so that the filtered impurities are automatically discharged.

[0032] To sum up, the multi-stage filtering device for sewage treatment can achieve multi-stage filtration through a plurality of filter tubes 4. At the same time, the inclined filter tube 4 can prevent water from overflowing from the outlet of the filter tube 4. Then, the impurities intercepted by the inner wall of the filter tube 4 can be gradually pushed upward by the rotating pushing auger 6 until they are pushed to the outlet at the top of the filter tube 4, so that the filtered impurities are automatically discharged. In this way, impurities are continuously cleaned during the filtration process without stopping the machine for cleaning, thereby improving the filtration efficiency.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage filtration device for sewage treatment, characterized in that: The invention comprises a filter box (1), wherein a plurality of inclined filter tubes (4) are fixedly connected to the middle of the filter box (1), the plurality of filter tubes (4) are arranged side by side up and down, the tops of the plurality of filter tubes (4) located inside the filter box (1) are provided with an open opening, the two sides of the open opening coincide with the two side surfaces of the inner wall of the filter box (1), the top openings of the plurality of filter tubes (4) penetrate the outside of the filter box (1) and are inclined upward, and the centers of the inner walls of the plurality of filter tubes (4) are rotatably connected with a pusher The pusher auger (6) has a diameter that matches the diameter of the inner wall of the filter tube (4), the length of the pusher auger (6) is greater than the length of the filter box (1), a plurality of filter holes are provided on the bottom surfaces of the filter tubes (4) located inside the filter box (1), the filter holes on the bottom surfaces of the filter tubes (4) gradually decrease from top to bottom, an input pipe (5) is fixedly connected at the center of the top surface of the filter box (1), and a drainage pipe (12) is fixedly connected at the center of a side surface of the bottom of the filter box (1).

2. A multi-stage filtration device for sewage treatment according to claim 1, characterized in that: One end of the central axis of the pusher auger (6) passes through the center of the bottom end of the filter tube (4), and one end of the central axis of the pusher auger (6) passes through the bottom end of the filter tube (4) and is fixedly connected to a driven worm gear (7). One side of the top of the filter box (1) is fixedly connected to a support top plate (10), and one side of the bottom surface of the support top plate (10) is rotatably connected to a transmission worm (9), and one side of the transmission worm (9) is simultaneously meshed with a plurality of driven worm gears (7).

3. A multi-stage filtration device for sewage treatment according to claim 2, characterized in that: A reduction motor (11) is fixedly connected to one side of the top surface of the support top plate (10), and the output end of the reduction motor (11) is fixedly connected to the top end of the transmission worm (9).

4. A multi-stage filtration device for sewage treatment according to claim 3, characterized in that: A support plate (8) is fixedly connected to the bottom of one side of the filter box (1), and the bottom end of the transmission worm (9) is rotatably connected to the support plate (8).

5. A multi-stage filtration device for sewage treatment according to claim 4, characterized in that: The lengths of the top openings of the plurality of filter tubes (4) extending out of the filter box (1) are different, and the lengths of the top openings of the plurality of filter tubes (4) extending out of the filter box (1) gradually shorten from top to bottom.

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