Circular integrated gas ring type biological aeration tank

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to a circular integrated gas ring type biological aeration tank which comprises an aeration tank with a circular cross section, a water inlet pipe, a water outlet pipe, a filter material layer, an air inlet pipe, a vortex-shaped aeration pipe, a vertical pipe, a driving component I, a driving component II, a cleaning component I, a cleaning component II and a cleaning component III, the water inlet pipe and the water outlet pipe are fixedly mounted on the aeration tank and are arranged from bottom to top, the filter material layer is fixedly mounted on the inner side wall of the aeration tank, and a collecting box which is annularly arranged and is communicated with the aeration tank is fixedly mounted at the upper position of the outer side of the aeration tank. The sewage treatment device is reasonable in design, pollutants in water can be effectively removed, the filter material layer can be cleaned without backwashing operation, meanwhile, self-cleaning operation of the aeration pipe and the inner wall of the bottom of the aeration tank can be achieved in the sewage treatment process, the sewage treatment efficiency can be improved, and meanwhile the maintenance frequency is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially relates to a circular integrated gas ring type biological aeration tank. BACKGROUND

[0002] In the field of sewage treatment, biological aeration tank is a kind of widely used technology, for removing organic matter in sewage by the action of microorganism.

[0003] Traditional aeration tank usually adopts decentralized aeration device, due to its aeration pipe is usually all with fixed installation mode, and it is easy to exist the situation that aeration uniformity is not good, and in the long-time use process, sundries is easy to accumulate in aeration pipe and aeration tank, cleaning and maintenance are not convenient, and for the cleaning of filter material layer, although the cleaning can be carried out by backwashing, but the efficiency of sewage treatment will be inevitably affected. In order to overcome these shortcomings, the utility model provides a circular integrated gas ring type biological aeration tank.

[0004] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms prior art that is publicly known. SUMMARY

[0005] The utility model aims at solving the shortcoming mentioned in the above background art, and provides a circular integrated gas ring type biological aeration tank.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a circular integrated gas ring type biological aeration tank, which comprises aeration tank with circular cross section, water inlet pipe, water outlet pipe, filter material layer, air inlet pipe, aeration pipe arranged in a vortex shape, vertical pipe, drive assembly one, drive assembly two, cleaning assembly one, cleaning assembly two and cleaning assembly three.

[0007] The water inlet pipe and the water outlet pipe are fixedly installed on the aeration tank and arranged from bottom to top, the filter material layer is fixedly installed on the inner side wall of the aeration tank, the upper outer side of the aeration tank is fixedly installed with a collecting box arranged in a ring shape and connected with the aeration tank, the air inlet pipe is fixedly installed at the bottom of the aeration tank and extends into the aeration tank, the vertical pipe is sealingly rotatably installed on the air inlet pipe, the aeration pipe is fixedly installed at the top end of the vertical pipe, the drive assembly one is arranged in the vertical pipe, the cleaning assembly one is arranged on the vertical pipe and matched with the inner wall of the bottom of the aeration tank, the drive assembly two is arranged on the cleaning assembly one and matched with the water inlet pipe, the cleaning assembly two is arranged on the vertical pipe and matched with the filter material layer, and the cleaning assembly three is arranged on the inner side wall of the aeration tank and matched with the aeration pipe.

[0008] Preferably, the driving assembly one comprises a fixed rod, a fixed shaft and two fan leaves, the fixed rod is radially and fixedly installed on the inner wall of the vertical pipe, the fixed shaft is radially and fixedly installed on the fixed rod, and the two fan leaves are fixedly sleeved on the two ends of the fixed shaft and are arranged in the same direction.

[0009] Preferably, the cleaning assembly one comprises a mounting block and a plurality of scraping strips, the mounting block is circularly and fixedly installed on the outer side of the vertical pipe, and the plurality of scraping strips are radially and fixedly installed on the outer circumferential surface of the mounting block and are in contact with the inner wall of the bottom of the aeration tank.

[0010] Preferably, the driving assembly two comprises a connecting ring and a plurality of spoiler plates, the same connecting ring is fixedly installed on the end, away from the vertical pipe, of the plurality of scraping strips, and the plurality of spoiler plates are fixedly installed on the outer circumferential surface of the connecting ring and are arranged in an inclined manner.

[0011] Preferably, the scraping strip is arranged in a porous manner.

[0012] Preferably, the cleaning assembly two comprises a connecting shaft and a scraping strip, the connecting shaft is axially and fixedly installed on the top end of the vertical pipe, and the scraping strip is radially and fixedly installed on the connecting shaft and is in contact with the bottom side of the filter layer.

[0013] Preferably, the cleaning assembly three comprises a mounting strip and a cleaning brush, the mounting strip is fixedly installed on the inner side wall of the aeration tank and is arranged in parallel with the aeration pipe, the cleaning brush is fixedly installed on the bottom side of the mounting strip and is in contact with the aeration pipe.

[0014] Preferably, the scraping strip is arranged in a spiral manner.

[0015] Preferably, the filter layer is composed of filter material and two filter plates, the filter material is composed of polystyrene microspheres, and the filter plates are arranged on the upper and lower sides of the filter material.

[0016] Preferably, the inner side wall of the aeration tank is fixedly installed with a supporting rod, and the connecting shaft is radially and rotatably connected with the supporting rod.

[0017] The beneficial effects of the utility model are as follows:

[0018] Through the setting of the driving assembly one, the vertical pipe and the aeration pipe can be driven to rotate when the aeration tank is in the air intake state, so that the uniformity of the aeration pipe to the aeration of the sewage in the aeration tank can be improved, meanwhile, through the setting of the cleaning assembly one, the bottom inner wall of the aeration tank can be self-cleaned, and through the setting of the driving assembly two, the stable rotation of the vertical pipe can be ensured, in addition, through the setting of the cleaning assembly two, the filter layer can be cleaned without adopting the backflushing or dismounting cleaning mode, and through the setting of the cleaning assembly three, the aeration pipe can be self-cleaned when the aeration pipe rotates around the vertical pipe as the center, so that the efficiency of the sewage treatment can be effectively improved, and the frequency and cost of the maintenance can be reduced. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of a circular integrated air ring biological aeration tank proposed in this utility model.

[0021] Figure 2 This is a cross-sectional structural diagram of a circular integrated air ring biological aeration tank proposed in this utility model.

[0022] Figure 3 This is a three-dimensional structural diagram of the mounting block, scraper, connecting ring, and baffle plate in a circular integrated air ring biological aeration tank proposed in this utility model.

[0023] Figure 4 This is a three-dimensional structural diagram of the fixed root box, fixed shaft and fan blade part in a circular integrated air ring biological aeration tank proposed in this utility model.

[0024] In the diagram: 1. Aeration tank; 11. Inlet pipe; 12. Outlet pipe; 13. Filter media layer; 14. Collection box; 2. Air inlet pipe; 21. Vertical pipe; 22. Aeration pipe; 3. Mounting block; 31. Scraper; 32. Connecting ring; 33. Baffle plate; 4. Fan blade; 41. Fixed shaft; 42. Fixed rod; 5. Connecting shaft; 51. Scraper strip; 52. Support rod; 6. Mounting strip; 61. Cleaning brush. Detailed Implementation

[0025] The technical solution of this utility model will now be clearly and completely described with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0026] Reference Figures 1-4The utility model provides a kind of circular integrated gas ring type biological aeration tank, including the aeration tank 1 being arranged in circular cross section, water inlet pipe 11, water outlet pipe 12, filter layer 13, air inlet pipe 2, vortex arrangement aeration pipe 22 and standpipe 21, water inlet pipe 11 and water outlet pipe 12 are all fixedly installed on aeration tank 1 and are arranged from below to above, filter layer 13 is fixedly installed on the inner side wall of aeration tank 1, wherein filter layer 13 is composed of filter material and two filter plates, filter material is made of polystyrene microsphere, filter plate is arranged on the upper and lower sides of filter material, not only can avoid filter material to escape, but also can provide medium for the growth of biofilm, the upper position of the outer side of aeration tank 1 is fixedly installed with the collecting box 14 being arranged in annular and being connected with aeration tank 1, air inlet pipe 2 is fixedly installed at the bottom of aeration tank 1 and extends into aeration tank 1, standpipe 21 is sealingly rotatably installed on air inlet pipe 2, aeration pipe 22 is fixedly installed at the top of standpipe 21, fixed rod 42 is fixedly installed on the inner wall of standpipe 21 in radial direction, fixed shaft 41 is fixedly installed on fixed rod 42 in radial direction, both ends of fixed shaft 41 are fixedly sleeved with fan blade 4, two fan blades 4 are arranged in the same direction, can drive standpipe 21 to rotate based on air inlet pipe 2 as center when air inlet pipe 2 transports air into standpipe 21, so as to drive aeration pipe 22 to rotate synchronously, in turn can more evenly inject air into aeration tank 1, the outer side of standpipe 21 is fixedly installed with the mounting block 3 being arranged in circular, a plurality of scraping strips 51 are fixedly installed on the outer circumferential surface of mounting block 3 in radial direction, a plurality of scraping strips 51 are all in contact with the inner wall of the bottom of aeration tank 1, can control scraper 31 to clean the inner wall of the bottom of aeration tank 1 when standpipe 21 rotates, the end, away from standpipe 21, of a plurality of scraping strips 31 is fixedly installed with the same connecting ring 32, a plurality of inclinedly arranged spoiler 33 are fixedly installed on the outer circumferential surface of connecting ring 32, can impact spoiler 33 under the action of water flow when water inlet pipe 11 sends water into aeration tank 1, so as to provide driving force for standpipe 21, in turn can avoid the situation that standpipe 21 cannot rotate normally due to large resistance, the top of standpipe 21 is axially fixedly installed with connecting shaft 5, scraping strip 51 is fixedly installed on connecting shaft 5 in radial direction, the top side of scraping strip 51 is in contact with the bottom side of filter layer 13, can control connecting shaft 5 to drive scraping strip 51 to clean the bottom side of filter layer 13 when standpipe 21 rotates, the inner side wall of aeration tank 1 is fixedly installed with installation strip 6 being arranged in parallel with aeration pipe 22, cleaning brush 61 is fixedly installed on the bottom side of installation strip 6, cleaning brush 61 is in contact with aeration pipe 22, can clean aeration pipe 22 through cleaning brush 61 when standpipe 21 drives aeration pipe 22 to rotate.

[0027] In the embodiment, in order to reduce the resistance of scraper 31 rotating based on standpipe 21 as center while avoiding affecting the normal cleaning function of scraper 31, scraper 31 is arranged in a porous manner.

[0028] In this embodiment, in order to realize the cleaning of the filter material layer 13 while reducing the resistance of the scraping strip 51 based on the rotation of the connecting shaft 5 as the center, the scraping strip 51 is arranged in a vortex shape.

[0029] In this embodiment, in order to ensure the stability of the rotation of the connecting shaft 5, the support rod 52 is fixedly installed on the inner side wall of the aeration tank 1, and the connecting shaft 5 is rotationally connected with the support rod 52 in the radial direction.

[0030] Working principle: in use, first, water is injected into the aeration tank 1 through the water inlet pipe 11, and air is transported into the vertical pipe 21 through the air inlet pipe 2, the air is dispersed and discharged into the water in the aeration tank 1 through the aeration pipe, providing sufficient oxygen for the microorganisms in the water, promoting the growth of the biofilm, and the pollutants in the water are intercepted by the filter material layer 13 when the water flows through the filter material layer 13, and the water filtered by the filter material layer 13 is discharged through the water outlet pipe 12.

[0031] When the water flow enters the aeration tank 1 through the water inlet pipe 11, it will impact the spoiler 33, so that the spoiler 33 controls the rotation of the plurality of scraping plates 31 based on the vertical pipe 21 as the center through the connecting ring 32, and drives the vertical pipe 21 to rotate, and under the action of the scraping plate 31, the debris deposited on the inner wall of the bottom of the aeration tank 1 can be cleaned to keep the aeration tank clean.

[0032] At the same time, when air is transported into the vertical pipe 21 through the air inlet pipe 2, the vertical pipe 21 can be provided with driving force under the cooperation of the fan blade 4, the fixed shaft 41 and the fixed rod 42, so as to ensure the stable support of the vertical pipe 21, and the rotation of the vertical pipe 21 can drive the aeration pipe 22 arranged in a vortex shape to rotate, so as to realize the more uniform injection of air into the water in the aeration tank 1, and when the aeration pipe 22 rotates, relative motion will occur between the aeration pipe 22 and the cleaning brush 61, so as to achieve the cleaning effect of the aeration pipe 22.

[0033] Since in the aeration tank 1, the biofilm is attached to the filter material layer 13, the pollutants in the water are further removed by the action of microorganisms, and as the biofilm grows, the filter material layer 13 may be blocked, and when the vertical pipe 21 rotates, the scraping strip 51 arranged in a vortex shape is also driven to rotate by the connecting shaft 5, so as to clean the bottom side of the filter material layer 13.

[0034] The above describes in detail a circular integrated air ring type biological aeration tank. The principles and implementation methods of the present application are described in this paper. The above examples are only used to help understand the method and core idea of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, the present application can be improved and modified, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A circular integrated gas ring type biological aeration tank, characterized by, The utility model provides a circularly arranged aeration tank (1), water inlet pipe (11), water outlet pipe (12), filter material layer (13), air inlet pipe (2), swirl arranged aeration pipe (22), vertical pipe (21), drive assembly one, drive assembly two, cleaning assembly one, cleaning assembly two and cleaning assembly three are included in cross section. The water inlet pipe (11) and water outlet pipe (12) are fixedly installed on the aeration tank (1) and are arranged from lower to upper, the filter material layer (13) is fixedly installed on the inner side wall of the aeration tank (1), the upper position of the outer side of the aeration tank (1) is fixedly installed with the circularly arranged collecting box (14) that is connected with the aeration tank (1), the air inlet pipe (2) is fixedly installed on the bottom of the aeration tank (1) and extends into the aeration tank (1), the vertical pipe (21) is sealingly rotatably installed on the air inlet pipe (2), the aeration pipe (22) is fixedly installed on the top end of the vertical pipe (21), the drive assembly one is arranged in the vertical pipe (21), the cleaning assembly one is arranged on the vertical pipe (21) and is matched with the bottom inner wall of the aeration tank (1), the drive assembly two is arranged on the cleaning assembly one and is matched with the water inlet pipe (11), the cleaning assembly two is arranged on the vertical pipe (21) and is matched with the filter material layer (13), the cleaning assembly three is arranged on the inner side wall of the aeration tank (1) and is matched with the aeration pipe (22).

2. The circular integrated gas-bulb biological aeration tank according to claim 1, characterized in that: The drive assembly one includes fixed rod (42), fixed shaft (41) and two fan leaves (4), the inner wall of the vertical pipe (21) is fixedly installed with the fixed rod (42) in radial direction, the fixed rod (42) is fixedly installed with the fixed shaft (41) in radial direction, the both ends of the fixed shaft (41) are fixedly sleeved with the fan leaves (4), and the two fan leaves (4) are arranged in the same direction.

3. The circular integrated gas-bulb biological aeration tank according to claim 1, characterized in that: The cleaning assembly one includes mounting block (3) and multiple scraping plates (31), the outer side of the vertical pipe (21) is fixedly installed with the circularly arranged mounting block (3), the outer peripheral surface of the mounting block (3) is fixedly installed with multiple scraping strips (51) in radial direction, and the multiple scraping strips (51) are all in contact with the bottom inner wall of the aeration tank (1).

4. The circular integrated gas-bulb biological aeration tank according to claim 3, characterized in that: The drive assembly two includes connecting ring (32) and multiple spoiler plates (33), one end of the multiple scraping plates (31) away from the vertical pipe (21) is fixedly installed with the same connecting ring (32), and the outer peripheral surface of the connecting ring (32) is fixedly installed with multiple spoiler plates (33) arranged in an inclined manner.

5. The circular integrated gas-bulb biological aeration tank according to claim 3, characterized in that: The scraping plate (31) is arranged in a porous manner.

6. The circular integrated gas-bulb biological aeration tank according to claim 3, characterized in that: The cleaning assembly two includes connecting shaft (5) and scraping strip (51), the top end of the vertical pipe (21) is axially fixedly installed with the connecting shaft (5), the connecting shaft (5) is fixedly installed with the scraping strip (51) in radial direction, and the top side of the scraping strip (51) is in contact with the bottom side of the filter material layer (13).

7. The circular integrated gas-bulb biological aeration tank according to claim 1, characterized in that: The cleaning assembly three includes mounting strip (6) and cleaning brush (61), the inner side wall of the aeration tank (1) is fixedly installed with the mounting strip (6) arranged in parallel with the aeration pipe (22), the bottom side of the mounting strip (6) is fixedly installed with the cleaning brush (61), and the cleaning brush (61) is in contact with the aeration pipe (22).

8. The circular integrated gas-bulb biological aeration tank according to claim 3, characterized in that: The scraping strip (51) is arranged in a swirl manner.

9. The circular integrated gas-bulb biological aeration tank according to claim 1, characterized in that: The filter material layer (13) is composed of filter material and two filter plates, the filter material is composed of polystyrene microspheres, and the filter plates are arranged on the upper and lower sides of the filter material.

10. The circular integrated gas-bulb biological aeration tank according to claim 6, characterized in that: The aeration tank (1) is internally provided with a support rod (52) fixedly installed on the inner side wall, and the connecting shaft (5) is rotationally connected with the support rod (52) in the radial direction.

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