Stirring device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a stirring device for sewage treatment, which solves the problem that the existing stirring device for sewage treatment is poor in stirring uniformity, and comprises a stirring mechanism mounted in a sewage treatment tank, the stirring mechanism is composed of a supporting cross beam, a first driving assembly, a rotating shaft, a plurality of first stirring blades, a second driving assembly, a plurality of supporting vertical rods and a plurality of second stirring blades, the supporting cross beam is connected to the top end in the sewage treatment tank, the first driving assembly is connected to the middle position of the top end of the supporting cross beam, and the rotating shaft is connected to the bottom end of the first driving assembly; the first stirring blade is connected to the side edge of the rotating shaft, the second driving assembly is connected between the supporting cross beam and the sewage treatment tank, the supporting vertical rod is connected to the bottom end of the second driving assembly, and the second stirring blade is connected to one side of the supporting vertical rod; through the stirring device, the stirring uniformity can be improved by increasing aeration and bidirectional stirring.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, in particular to a stirring device for sewage treatment. Background Art

[0002] During the sewage treatment process, the sewage needs to be stirred by a stirring device to improve the efficiency of sewage treatment. At present, the stirring device structure in most sewage treatment equipment is relatively simple. Generally, stirring is achieved by rotating a stirring paddle driven by a motor, and usually only one-way stirring can be achieved. The stirring uniformity is not good, and it is difficult for the sewage to fully react with the sewage treatment drugs, which affects the efficiency of sewage treatment and the use effect is not good. Therefore, the present application proposes a stirring device for sewage treatment to improve the stirring uniformity of sewage and thereby improve the efficiency of sewage treatment. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a stirring device for sewage treatment, which effectively solves the problem of poor stirring uniformity of the existing stirring devices for sewage treatment.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stirring device for sewage treatment, comprising a stirring mechanism, which is installed inside the sewage treatment tank, and the stirring mechanism is composed of a supporting beam, a first drive assembly, a rotating shaft, a plurality of first stirring blades, a second drive assembly, a plurality of supporting vertical poles and a plurality of second stirring blades. The supporting beam is fixedly connected to the top of the sewage treatment tank, the first drive assembly is fixedly connected to the middle position of the top of the supporting beam, the rotating shaft is fixedly connected to the bottom end of the first drive assembly, the first stirring blade is fixedly connected to the side of the rotating shaft, the second drive assembly is connected between the supporting beam and the sewage treatment tank, the supporting vertical pole is fixedly connected to the bottom end of the second drive assembly, and the second stirring blade is fixedly connected to one side of the supporting vertical pole.

[0005] Preferably, the first stirring blade and the second stirring blade are staggered installation structures.

[0006] Preferably, the first driving assembly consists of a U-shaped support frame, a driving motor, an air pump, an air duct, an air sleeve and several connecting plates. The U-shaped support frame is fixedly connected to the middle position of the top end of the supporting beam, the rotating shaft is fixedly connected to the output shaft of the driving motor, the air pump is fixedly connected to the top end of the supporting beam, the air sleeve is sleeved on the rotating shaft and fixedly connected to the U-shaped support frame through the connecting plate, and the air duct is connected between the air pump and the air sleeve.

[0007] Preferably, the air sleeve is rotatably connected to the rotating shaft through shaft seal 1 and shaft seal 2, a plurality of air inlets are provided on the side of the rotating shaft near the air sleeve, a gas flow channel connected to the air inlet is provided inside the rotating shaft, and a plurality of aeration ports connected to the gas flow channel are provided on the side of the first stirring blade.

[0008] Preferably, the second drive assembly consists of a second drive motor, a drive gear, an inner gear ring and an annular support platform. The second drive motor is fixedly connected to one end of the top of the support beam, the drive gear is fixedly connected to the output shaft of the second drive motor, the annular support platform is fixedly connected to the top of the inner wall of the sewage treatment tank, the inner gear ring is rotatably connected to the top of the annular support platform and meshes with the drive gear, and the support pole is fixedly connected to the bottom end of the inner gear ring.

[0009] Preferably, the inner gear ring is rotatably connected to the sewage treatment tank via a roller bearing, and the inner gear ring is rotatably connected to the annular support platform via a plane bearing.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] (1) During operation, by providing a first driving assembly consisting of a U-shaped support frame, a driving motor, an air pump, an air guide pipe, an air sleeve and a plurality of connecting plates, and providing a rotating shaft and a first stirring blade, it is possible to achieve positive stirring of the sewage, and at the same time, it is possible to achieve aeration treatment of the sewage, thereby improving the uniformity of sewage stirring;

[0012] (2) By providing a second drive assembly consisting of a second drive motor, a drive gear, an inner gear ring and an annular support platform, and providing a support vertical rod and a second stirring blade, the sewage can be stirred in the reverse direction. By cooperating with the first stirring blade, the uniformity of the sewage stirring can be further improved, thereby improving the sewage treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached figure:

[0015] Figure 1 This is a schematic diagram of the structure of the stirring device for sewage treatment of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the stirring device for sewage treatment according to the present invention;

[0017] Figure 3 This is a schematic structural diagram of the first drive assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure between the air sleeve and the rotating shaft of the utility model;

[0019] Figure 5 This is a schematic structural diagram of the second drive assembly of the present utility model;

[0020] Figure 6 For this utility model Figure 5 A partial enlarged view of

[0021] In the figure: 1. stirring mechanism; 2. sewage treatment tank; 3. supporting beam; 4. first drive assembly; 5. rotating shaft; 6. first stirring blade; 7. second drive assembly; 8. supporting vertical rod; 9. second stirring blade; 10. U-shaped support frame; 11. driving motor 1; 12. air pump; 13. air guide tube; 14. air sleeve; 15. connecting plate; 16. shaft seal 1; 17. shaft seal 2; 18. air inlet; 19. gas flow channel; 20. aeration port; 21. driving motor 2; 22. driving gear; 23. inner gear ring; 24. annular support platform; 25. roller bearing; 26. plane bearing. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described 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 the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] Depend on Figure 1 and Figure 2 The utility model provides a stirring device for sewage treatment, comprising a stirring mechanism 1, which is installed inside a sewage treatment tank 2. The stirring mechanism 1 is composed of a supporting beam 3, a first driving assembly 4, a rotating shaft 5, a plurality of first stirring blades 6, a second driving assembly 7, a plurality of supporting uprights 8 and a plurality of second stirring blades 9. The supporting beam 3 is fixedly connected to the top of the sewage treatment tank 2, the first driving assembly 4 is fixedly connected to the middle position of the top of the supporting beam 3, the rotating shaft 5 is fixedly connected to the bottom end of the first driving assembly 4, the first stirring blade 6 is fixedly connected to the side of the rotating shaft 5, the second driving assembly 7 is connected between the supporting beam 3 and the sewage treatment tank 2, the supporting upright 8 is fixedly connected to the bottom end of the second driving assembly 7, the second stirring blade 9 is fixedly connected to one side of the supporting upright 8, and the first stirring blade 6 and the second stirring blade 9 are staggered installation structures.

[0024] When in use, the first driving assembly 4 drives the rotating shaft 5 and the first stirring blade 6 to rotate, and the first stirring blade 6 realizes forward stirring of the sewage. The second driving assembly 7 drives the supporting rod 8 and the second stirring blade 9 to rotate, and the second stirring blade 9 realizes reverse stirring of the sewage. Through bidirectional stirring, the uniformity of the sewage stirring is improved;

[0025] Depend on Figures 2 to 4 It is given that the first drive assembly 4 is composed of a U-shaped support frame 10, a drive motor 11, an air pump 12, an air guide pipe 13, an air sleeve 14 and a plurality of connecting plates 15. The U-shaped support frame 10 is fixedly connected to the middle position of the top of the support beam 3, the rotating shaft 5 is fixedly connected to the output shaft of the drive motor 11, the air pump 12 is fixedly connected to the top of the support beam 3, the air sleeve 14 is sleeved on the rotating shaft 5 and is fixedly connected to the U-shaped support frame 10 through the connecting plate 15, the air guide pipe 13 is connected between the air pump 12 and the air sleeve 14, the air sleeve 14 is rotatably connected to the rotating shaft 5 through a shaft seal 16 and a shaft seal 2 17, a plurality of air inlets 18 are provided on the side of the rotating shaft 5 near the air sleeve 14, a gas flow channel 19 connected to the air inlet 18 is provided inside the rotating shaft 5, and a plurality of aeration ports 20 connected to the gas flow channel 19 are provided on the side of the first stirring blade 6;

[0026] When the first drive assembly 4 is working, the drive motor 11 drives the rotating shaft 5 to rotate, and at the same time the air pump 12 is started. The gas enters the interior of the gas jacket 14 through the air guide pipe 13, then enters the gas flow channel 19 along the air inlet 18, and finally is discharged through the aeration port 20, thereby achieving aeration treatment of the sewage and further improving the uniformity of sewage mixing. The shaft seal 16 and the shaft seal 2 17 can improve the mobility and sealing of the connection between the gas jacket 14 and the rotating shaft 5.

[0027] Depend on Figure 1 、 Figure 2 、 Figure 5 and Figure 6 It is given that the second drive assembly 7 is composed of a second drive motor 21, a drive gear 22, an inner ring gear 23 and an annular support platform 24. The second drive motor 21 is fixedly connected to one end of the top of the support beam 3, the drive gear 22 is fixedly connected to the output shaft of the second drive motor 21, the annular support platform 24 is fixedly connected to the top of the inner wall of the sewage treatment tank 2, the inner ring gear 23 is rotatably connected to the top of the annular support platform 24 and is meshed with the drive gear 22, the support rod 8 is fixedly connected to the bottom end of the inner ring gear 23, the inner ring gear 23 and the sewage treatment tank 2 are rotatably connected through a roller bearing 25, and the inner ring gear 23 and the annular support platform 24 are rotatably connected through a plane bearing 26;

[0028] When the second drive assembly 7 is working, the drive motor 21 drives the drive gear 22 to rotate, the drive gear 22 drives the inner ring gear 23 to rotate, and the inner ring gear 23 drives the support rod 8 to rotate, thereby assisting stirring. By cooperating with the first drive assembly 4, two-way stirring can be achieved, further improving the uniformity of stirring. The roller bearing 25 and the plane bearing 26 can support and limit the inner ring gear 23, thereby improving the stability and mobility of the inner ring gear 23.

[0029] During operation, by setting up a first drive component consisting of a U-shaped support frame, a drive motor 1, an air pump, an air guide pipe, an air sleeve and several connecting plates, and a rotating shaft and a first stirring blade, the sewage can be stirred in the forward direction, and at the same time, the sewage can be aerated, thereby improving the uniformity of sewage stirring; by setting up a second drive component consisting of a drive motor 2, a drive gear, an inner ring gear and an annular support platform, and a supporting vertical rod and a second stirring blade, the sewage can be stirred in the reverse direction, and through cooperation with the first stirring blade, the uniformity of sewage stirring can be further improved, thereby improving the sewage treatment efficiency.

Claims

1. A stirring device for sewage treatment, comprising a stirring mechanism (1), characterized in that: The stirring mechanism (1) is installed inside the sewage treatment tank (2). The stirring mechanism (1) is composed of a supporting beam (3), a first driving assembly (4), a rotating shaft (5), a plurality of first stirring blades (6), a second driving assembly (7), a plurality of supporting uprights (8) and a plurality of second stirring blades (9). The supporting beam (3) is fixedly connected to the top of the sewage treatment tank (2), the first driving assembly (4) is fixedly connected to the middle position of the top of the supporting beam (3), the rotating shaft (5) is fixedly connected to the bottom end of the first driving assembly (4), the first stirring blade (6) is fixedly connected to the side of the rotating shaft (5), the second driving assembly (7) is connected between the supporting beam (3) and the sewage treatment tank (2), the supporting upright (8) is fixedly connected to the bottom end of the second driving assembly (7), and the second stirring blade (9) is fixedly connected to one side of the supporting upright (8).

2. The stirring device for sewage treatment according to claim 1, characterized in that: The first stirring blade (6) and the second stirring blade (9) are staggered installation structures.

3. The stirring device for sewage treatment according to claim 1, characterized in that: The first driving assembly (4) is composed of a U-shaped support frame (10), a driving motor (11), an air pump (12), an air guide tube (13), an air sleeve (14) and a plurality of connecting plates (15). The U-shaped support frame (10) is fixedly connected to the middle position of the top end of the supporting beam (3). The rotating shaft (5) is fixedly connected to the output shaft of the driving motor (11). The air pump (12) is fixedly connected to the top end of the supporting beam (3). The air sleeve (14) is sleeved on the rotating shaft (5) and fixedly connected to the U-shaped support frame (10) through the connecting plates (15). The air guide tube (13) is connected between the air pump (12) and the air sleeve (14).

4. The stirring device for sewage treatment according to claim 3, characterized in that: The gas jacket (14) is rotatably connected to the rotating shaft (5) through a first shaft seal (16) and a second shaft seal (17). A plurality of air inlets (18) are provided on the side of the rotating shaft (5) near the gas jacket (14). A gas flow channel (19) communicating with the air inlet (18) is provided inside the rotating shaft (5). A plurality of aeration ports (20) communicating with the gas flow channel (19) are provided on the side of the first stirring blade (6).

5. The stirring device for sewage treatment according to claim 1, characterized in that: The second driving assembly (7) is composed of a second driving motor (21), a driving gear (22), an inner gear ring (23) and an annular support platform (24). The second driving motor (21) is fixedly connected to one end of the top of the supporting beam (3), the driving gear (22) is fixedly connected to the output shaft of the second driving motor (21), the annular support platform (24) is fixedly connected to the top of the inner wall of the sewage treatment tank (2), the inner gear ring (23) is rotatably connected to the top of the annular support platform (24) and meshed with the driving gear (22), and the supporting pole (8) is fixedly connected to the bottom end of the inner gear ring (23).

6. The stirring device for sewage treatment according to claim 5, characterized in that: The inner gear ring (23) is rotatably connected to the sewage treatment tank (2) via a roller bearing (25), and the inner gear ring (23) is rotatably connected to the annular support platform (24) via a plane bearing (26).

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