High-settleability sludge sorting device for activated sludge process

Abstract

The utility model relates to the field of activated sludge process, in particular to an activated sludge process sludge sorting device with high settling performance, which comprises a lower barrel and an upper barrel, the upper barrel is inserted into the lower barrel downwards from the top of the lower barrel, and the bottom of the upper barrel is provided with a sludge storage cavity through a funnel barrel; the lower barrel body and the upper barrel body are of an integrated structure, the lower barrel body and the upper barrel body are communicated through four vertically-arranged communicating pipelines, and a rotating shaft is vertically and rotationally arranged in the middle of the upper barrel body. According to the utility model, the lower cylinder body, the upper cylinder body and the sludge storage cavity are matched to sort activated sludge with different settling properties, and the rotating shaft drives the low partition plate and the high partition plate to rotate, so that the opening and closing of a communicating pipeline can be realized, and the communication between the lower cylinder body and the upper cylinder body can be freely controlled; the activated sludge liquid in the upper barrel body cannot enter the lower barrel body during sludge-water separation, so that the separation effect on activated sludge with different settling properties is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of activated sludge process, in particular to an activated sludge process sludge sorting device with high sedimentation performance. Background Art

[0002] The activated sludge process is an aerobic biological treatment method for sewage. The basic principle of the activated sludge process is to mix sewage and sludge in a bioreactor with sufficient oxygen, and convert the organic matter in the sewage into inorganic matter through the metabolism of microorganisms, thereby achieving the purpose of purifying sewage.

[0003] The "Activated Sludge Method High Settling Performance Sludge Sorting Device and Process" disclosed in the authorization publication number "CN 102126785 A" has achieved the sorting of activated sludge with different settling performances by setting a sedimentation sorting zone and a sedimentation sorting zone. However, in the actual use of similar devices, it is found that the device still has certain problems, such as:

[0004] In the reference document, the device connects the sedimentation cylinder with the upper cylinder through the guide cylinder, but no valve body is set at the connection point to block the connection. As a result, during the mud-water separation of the activated sludge in the upper cylinder, some activated sludge with poor settling performance will still settle into the lower cylinder through the guide cylinder. This is not conducive to the sorting of activated sludge, thereby reducing the sorting effect of activated sludge with different settling performance. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a sludge separation device with high settling performance using an activated sludge method.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An activated sludge method high sedimentation performance sludge sorting device comprises a lower cylinder and an upper cylinder, wherein the upper cylinder is inserted downwardly into the lower cylinder from the top of the lower cylinder, and a sludge storage cavity is arranged at the bottom of the upper cylinder via a funnel cylinder; the lower cylinder and the upper cylinder are an integrated structure, the lower cylinder and the upper cylinder are connected via four vertically arranged connecting pipes, and a rotating shaft is arranged vertically in the middle of the upper cylinder.

[0008] In addition, a preferred structure is that a water inlet pipe and a first water outlet pipe are respectively connected to both sides of the bottom of the lower cylinder, a second water outlet pipe is connected to one side of the upper cylinder, and a mud discharge pipe is connected to one side of the mud storage cavity.

[0009] In addition, a preferred structure is that a motor is provided on the top of the upper cylinder, and the output shaft of the motor is downward and drivingly connected to the rotating shaft.

[0010] In addition, a preferred structure is that eight connecting rods are extended outward from the rotating shaft, the connecting rods are equally divided with the rotating shaft as the center, short partitions and high partitions are fixedly provided at the ends of the connecting rods, and the short partitions and high partitions are alternately arranged in sequence.

[0011] In addition, a preferred structure is that an anti-falling plate is provided on the top of the communicating pipe via a connecting plate, and a gap is provided between the anti-falling plate and the top of the communicating pipe, and the height of the gap is the same as that of the high partition plate.

[0012] In addition, a preferred structure is that four limit columns are vertically arranged upward on the inner wall of the funnel tube inside the upper cylinder, and the limit columns are arranged in a polar axis array with the center of the rotating axis as the polar axis.

[0013] In addition, the preferred structure is that when the rotating shaft rotates counterclockwise, the connecting rods connected to the high partitions are in contact with the limiting columns, and the low partitions are located at the top of the connecting pipes; when the rotating shaft rotates clockwise, the connecting rods connected to the low partitions are in contact with the limiting columns, and the high partitions are located at the top of the connecting pipes.

[0014] The beneficial effects of the utility model are as follows: activated sludge with different sedimentation properties can be sorted through the coordinated arrangement of the lower cylinder, the upper cylinder and the mud storage chamber, and the opening and closing of the connecting pipe can be realized by driving the low partition plate and the high partition plate to rotate by the rotating shaft, so that whether the lower cylinder and the upper cylinder are connected can be freely controlled, so that the activated sludge liquid in the upper cylinder will not enter the lower cylinder during mud and water separation, thereby improving the sorting effect of activated sludge with different sedimentation properties. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the internal structure of an activated sludge method high settling performance sludge sorting device proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of a high-sedimentation performance sludge separation device for an activated sludge method proposed by the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the upper cylinder of a high settling performance sludge separation device for an activated sludge process proposed by the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the connecting pipes of a high-sedimentation performance sludge separation device for an activated sludge process proposed by the utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the upper cylinder of an activated sludge method high settling performance sludge sorting device proposed by the utility model;

[0020] Figure 6 for Figure 5 Schematic diagram of the structure of the rotating shaft, short partition and high partition.

[0021] In the figure: 1 lower cylinder, 2 upper cylinder, 21 mud storage chamber, 3 motor, 31 rotating shaft, 4 water inlet pipe, 41 first water outlet pipe, 42 mud discharge pipe, 43 second water outlet pipe, 5 connecting pipe, 51 anti-falling plate, 6 short partition, 61 high partition, 7 limit column. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-6 , an activated sludge method high sedimentation performance sludge sorting device, comprising a lower cylinder 1 and an upper cylinder 2, the upper cylinder 2 is inserted into the lower cylinder 1 from the top of the lower cylinder 1, and a mud storage chamber 21 is provided at the bottom of the upper cylinder 2 through a funnel. The lower cylinder 1 and the upper cylinder 2 are an integrated structure, the lower cylinder 1 and the upper cylinder 2 are connected through four vertically arranged connecting pipes 5, and a rotating shaft 31 is provided in the middle of the upper cylinder 2 for vertical rotation.

[0024] Among them, the two sides of the bottom of the lower cylinder 1 are connected with a water inlet pipe 4 and a first water outlet pipe 41 respectively, the side of the upper cylinder 2 is connected with a second water outlet pipe 43, and the side of the mud storage chamber 21 is connected with a mud discharge pipe 42. The external activated sludge liquid enters the lower cylinder 1 from the water inlet pipe 4, and then enters the upper cylinder 2 through the connecting pipe 5, and the activated sludge can be settled at this time. In this process, the activated sludge liquid with better settling performance will be directly discharged through the first water outlet pipe 41 in the lower cylinder 1, and the activated sludge liquid with poor settling performance will be separated from mud and water in the upper cylinder 2, so that the activated sludge with poor settling performance will fall into the mud storage chamber 21 through the funnel tube in the upper cylinder 2, and the clarified liquid above the upper cylinder 2 can be discharged through the second water outlet pipe 42, and the activated sludge in the mud storage chamber 21 is discharged through the mud discharge pipe 42, so that the activated sludge with different settling performance can be sorted. It is worth noting that this is a prior art, and its specific structure and working mode are existing solutions in the prior art. This structure does not belong to the main technical problem solved in this technical solution, so it will not be elaborated in this utility model.

[0025] Among them, the top of the upper cylinder 2 is provided with a motor 3, and the output shaft of the motor 3 is downward and transmission-connected with the rotating shaft 31. Through the setting of the motor 3, the rotating shaft 31 can be controlled to rotate forward and reverse.

[0026] Among them, eight connecting rods are extended outward from the rotating shaft 31, and the connecting rods are equally divided with the rotating shaft 31 as the center of the circle. The ends of the connecting rods are respectively fixed with short partitions 6 and tall partitions 61, and the short partitions 6 and tall partitions 61 are alternately arranged in sequence. The top of the short partition 6 is at the same height as the top of the tall partition 61.

[0027] Among them, the top of the connecting pipe 5 is provided with an anti-drop plate 51 through a connecting plate, and a gap is provided between the anti-drop plate 51 and the top of the connecting pipe 5, and the height of the gap is the same as that of the high partition plate 61. By providing the anti-drop plate 51, when the low partition plate 6 or the high partition plate 61 is located above the connecting pipe 5, the low partition plate 6 or the high partition plate 61 can be prevented from being dislocated due to the flushing of the water flow in the connecting pipe 5, and the sealing between the high partition plate 61 and the connecting pipe 5 can be strengthened.

[0028] Among them, four limit columns 7 are vertically arranged upward on the inner wall of the funnel tube inside the upper cylinder 2, and the limit columns 7 are arranged in an array with the center of the rotating shaft 31 as the polar axis. Through the arrangement of the limit columns 7, the rotation angle of the rotating shaft 31 can be limited, so that the short partition 6 and the high partition 61 can be stably located above the connecting pipe 5.

[0029] Among them, when the rotating shaft 31 rotates counterclockwise, the connecting rods connected to the high partition 61 are in contact with the limiting column 7, and the low partitions 6 are located at the top of the connecting pipe 5; when the rotating shaft 31 rotates clockwise, the connecting rods connected to the low partition 6 are in contact with the limiting column 7, and the high partitions 61 are located at the top of the connecting pipe 5.

[0030] In this embodiment, when the user needs to separate mud and water in the upper cylinder 2, the motor 3 can be used to control the rotating shaft 31 to rotate clockwise, and the connecting rods connected to the short partition 6 are in contact with the limiting column 7. At this time, the high partition 61 is located above the connecting pipe 5 and blocks it, so that the upper cylinder 2 and the lower cylinder 1 can be separated to prevent the water flow in the upper cylinder 2 from entering the lower cylinder 1. When the user needs to add water to the upper cylinder 2, the motor 3 can be used to control the rotating shaft 31 to rotate counterclockwise, and the connecting rods connected to the high partition 61 are in contact with the limiting column 7. At this time, the short partition 6 is located above the connecting pipe 5. Since the short partition 6 will not block the top of the connecting pipe 5, the water flow in the lower cylinder 1 can flow into the upper cylinder 2 through the connecting pipe 5.

[0031] In the utility model, activated sludge with different sedimentation properties can be sorted through the coordinated arrangement of the lower cylinder 1, the upper cylinder 2 and the mud storage chamber 21. The low partition 6 and the high partition 61 are driven to rotate by the rotating shaft 31, so as to realize the opening and closing of the connecting pipe 5, so as to freely control whether the lower cylinder 1 and the upper cylinder 2 are connected, so that the activated sludge liquid in the upper cylinder 2 will not enter the lower cylinder 1 during the mud and water separation, thereby improving the sorting effect of the activated sludge with different sedimentation properties.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An activated sludge process high settling performance sludge sorting device, comprising a lower cylinder (1) and an upper cylinder (2), characterized in that: The upper cylinder (2) is inserted downwardly into the lower cylinder (1) from the top of the lower cylinder (1), and a mud storage chamber (21) is provided at the bottom of the upper cylinder (2) through a funnel tube; The lower cylinder (1) and the upper cylinder (2) are of an integrated structure; the lower cylinder (1) and the upper cylinder (2) are connected via four vertically arranged connecting pipes (5); and a rotating shaft (31) is arranged in the middle of the upper cylinder (2) for vertical rotation.

2. The activated sludge process high settling performance sludge separation device according to claim 1, characterized in that: The bottom of the lower cylinder (1) is connected to a water inlet pipe (4) and a first water outlet pipe (41) on both sides thereof, the upper cylinder (2) is connected to a second water outlet pipe (43) on one side thereof, and the mud storage chamber (21) is connected to a mud discharge pipe (42) on one side thereof.

3. The activated sludge process high settling performance sludge separation device according to claim 1, characterized in that: A motor (3) is arranged at the top of the upper cylinder (2), and the output shaft of the motor (3) is downward and drivingly connected to the rotating shaft (31).

4. The activated sludge process high settling performance sludge separation device according to claim 3, characterized in that: Eight connecting rods are provided on the rotating shaft (31) to extend outwards, and the connecting rods are equally divided with the rotating shaft (31) as the center of the circle. The ends of the connecting rods are respectively fixed with short partitions (6) and tall partitions (61), and the short partitions (6) and tall partitions (61) are alternately provided in sequence.

5. The activated sludge process high settling performance sludge separation device according to claim 4, characterized in that: The top of the communicating pipe (5) is provided with an anti-falling plate (51) via a connecting plate, and a gap is provided between the anti-falling plate (51) and the top of the communicating pipe (5), and the height of the gap is the same as that of the high partition plate (61).

6. The activated sludge process high settling performance sludge separation device according to claim 5, characterized in that: Four limit posts (7) are vertically arranged upward on the inner wall of the funnel tube inside the upper cylinder (2), and the limit posts (7) are arranged in a polar axis array with the center of the rotating shaft (31) as the polar axis.

7. The activated sludge process high settling performance sludge separation device according to claim 6, characterized in that: When the rotating shaft (31) rotates counterclockwise, the connecting rods connected to the high partitions (61) all contact the limiting columns (7), and at this time the low partitions (6) are all located at the top of the connecting pipe (5); when the rotating shaft (31) rotates clockwise, the connecting rods connected to the low partitions (6) all contact the limiting columns (7), and at this time the high partitions (61) are all located at the top of the connecting pipe (5).

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