Uniform-mixing aeration device for sewage treatment

Abstract

The utility model relates to the technical field of sewage treatment, and particularly discloses a uniformly-mixed aeration device for sewage treatment, which comprises a box body, a first air inlet pipe is rotatably connected in the box body, a second air inlet pipe is slidably connected to the outer wall of the first air inlet pipe, and a rotary joint is mounted at the upper end of the first air inlet pipe; the upper end of the first air inlet pipe is rotatably connected with a third air inlet pipe, the outer wall of the second air inlet pipe is communicated with a plurality of aeration pipes, a plurality of air holes are formed in the outer walls of the aeration pipes, two sliding rails are fixedly connected to the outer wall of the first air inlet pipe, and two sliding grooves matched with the sliding rails are formed in the inner wall of the second air inlet pipe; through cooperation of a driving motor, a rotating disc, a third connecting rod, a spur rack, a second gear, spiral teeth, a first gear, a first connecting rod, a second connecting rod, a third connecting rod, a roller, a limiting groove, a sliding groove and a sliding rail, an aeration pipe can be driven to reciprocate up and down while rotating in a reciprocating manner, so that gas discharged by the aeration pipe is fully and uniformly mixed with sewage, and the aeration effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, and specifically discloses an aeration device for treating sewage with uniform mixing. Background Art

[0002] Random discharge of domestic sewage will have a great negative impact on the environment. At present, people often use aeration tanks to treat sewage. Aeration tanks are structures that use the activated sludge method to treat sewage. Aeration tanks are mainly composed of three parts: tank body, aeration system, and water inlet and outlet. The tank body is generally built with reinforced concrete, and the plane shape is rectangular, square, and circular; aeration is a means of making air and water come into strong contact, and its purpose is to dissolve oxygen in the air into water.

[0003] The existing aeration device has a single aeration structure, and the sewage and air are not mixed sufficiently, resulting in low aeration efficiency and difficulty in meeting people's growing demand for sewage treatment. Therefore, an aeration device for sewage treatment with uniform mixing is needed to solve this problem. Utility Model Content

[0004] The utility model provides an aeration device for sewage treatment with uniform mixing. The aeration pipe reciprocates while moving up and down, so that the gas is fully mixed with the sewage, and the aeration effect is good.

[0005] The utility model is implemented as follows: an aeration device for treating sewage with uniform mixing comprises a box body, a first air inlet pipe is rotatably connected inside the box body, a second air inlet pipe is slidably connected to the outer wall of the first air inlet pipe, a swivel joint is installed at the upper end of the first air inlet pipe, a third air inlet pipe is rotatably connected to the upper end of the first air inlet pipe via the swivel joint, a plurality of circumferentially distributed aeration pipes are communicated with the outer wall of the second air inlet pipe, a plurality of evenly distributed air holes are provided on the outer walls of the aeration pipes, two symmetrically distributed slide rails are fixedly connected to the outer wall of the first air inlet pipe, two slide grooves matching the slide rails are provided on the inner wall of the second air inlet pipe, a spiral tooth is provided on the outer wall of the first air inlet pipe, and a right end surface inside the box body is fixedly connected to the There is a first support, the first support is internally rotatably connected to the first connecting shaft, the outer wall of the first connecting shaft is fixedly connected to the first gear, the first gear is meshed with the helical teeth, the front end of the first connecting shaft extends to the outside of the first support and is fixedly connected to the first connecting rod, the front end face of the first connecting rod is rotatably connected to the second connecting rod, the right end face inside the box body is fixedly connected to the second support, the second support is internally rotatably connected to the third connecting rod, the front end face of the third connecting rod is fixedly connected to the second connecting shaft, the other end of the second connecting rod is rotatably connected to the second connecting shaft, the inner wall of the third connecting rod is rotatably connected to two symmetrically distributed rollers, a limiting groove is provided at the upper end of the outer wall of the second intake pipe, and the two rollers are slidably connected to the limiting groove.

[0006] In order to facilitate driving the first air inlet pipe to rotate, as a preferred aeration device for sewage treatment with uniform mixing of the utility model, the upper end surface of the box body is fixedly connected to two support plates, a sliding rod is fixedly connected between the two support plates, and the outer wall of the sliding rod is slidably connected to a spur rack, a driving motor is installed on the upper end surface of the box body, and a turntable is fixedly connected to the output end of the driving motor, and the upper end surface of the turntable is rotatably connected to a fourth connecting rod, and the other end of the fourth connecting rod is rotatably connected to the spur rack, and the outer wall of the first air inlet pipe is fixedly connected to a second gear, and the spur rack is meshingly connected to the second gear.

[0007] In order to prevent the spur rack from rotating, as a preferred aeration device for sewage treatment with uniform mixing of the utility model, the cross-section of the slide bar along the front-to-back direction is rectangular.

[0008] In order to facilitate water intake, as a preferred aeration device for sewage treatment with uniform mixing according to the utility model, a water inlet is arranged on the left end face of the box body.

[0009] In order to facilitate drainage, as a preferred aeration device for sewage treatment with uniform mixing according to the utility model, a water outlet is arranged on the right end face of the box body.

[0010] In order to facilitate the control of the equipment, as a preferred aeration device for sewage treatment with uniform mixing of the present invention, a controller is provided on the front end surface of the box body, and the drive motor is electrically connected to the controller.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] This aeration device for sewage treatment with uniform mixing can drive the aeration pipe to reciprocate up and down while rotating back and forth through the cooperation of a driving motor, a turntable, a third connecting rod, a spur rack, a second gear, a spiral gear, a first gear, a first connecting rod, a second connecting rod, a third connecting rod, a roller, a limit groove, a slide groove and a slide rail, so that the gas discharged from the aeration pipe is fully and evenly mixed with the sewage, and the aeration effect is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the overall structural diagram of an aeration device for treating sewage with uniform mixing according to the utility model;

[0014] Figure 2 This is a front sectional view of an aeration device for treating sewage with uniform mixing according to the utility model;

[0015] Figure 3 This is a structural diagram of the second air intake pipe of the utility model;

[0016] Figure 4It is a structural diagram of the third connecting rod of the utility model.

[0017] In the figure, 1, box body; 2, first air inlet pipe; 3, second air inlet pipe; 4, third air inlet pipe; 5, rotating joint; 6, aeration pipe; 7, air hole; 8, slide rail; 9, slide groove; 10, first support; 11, first gear; 12, first connecting shaft; 13, first connecting rod; 14, second connecting rod; 15, second support; 16, third connecting rod; 17, second connecting shaft; 18, roller; 19, limit groove; 20, spiral tooth; 21, driving motor; 22, turntable; 23, fourth connecting rod; 24, support plate; 25, slide rod; 26, straight rack; 27, second gear; 28, controller; 29, water inlet; 30, water outlet. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0020] See also Figure 1-4, an aeration device for treating sewage with uniform mixing, comprising a box body 1, a first air inlet pipe 2 is rotatably connected inside the box body 1, a second air inlet pipe 3 is slidably connected to the outer wall of the first air inlet pipe 2, a swivel joint 5 is installed on the upper end of the first air inlet pipe 2, a third air inlet pipe 4 is rotatably connected to the upper end of the first air inlet pipe 2 through the swivel joint 5, a plurality of circumferentially distributed aeration pipes 6 are connected to the outer wall of the second air inlet pipe 3, a plurality of evenly distributed air holes 7 are provided on the outer walls of the plurality of aeration pipes 6, two symmetrically distributed slide rails 8 are fixedly connected to the outer wall of the first air inlet pipe 2, two slide grooves 9 matching the slide rails 8 are provided on the inner wall of the second air inlet pipe 3, a spiral tooth 20 is provided on the outer wall of the first air inlet pipe 2, a first support 10 is fixedly connected to the right end face inside the box body 1, and the inner wall of the first support 10 A first connecting shaft 12 is rotatably connected, and a first gear 11 is fixedly connected to an outer wall of the first connecting shaft 12. The first gear 11 is meshed with a helical tooth 20. The front end of the first connecting shaft 12 extends to the outside of the first support 10 and is fixedly connected to a first connecting rod 13. The front end face of the first connecting rod 13 is rotatably connected to a second connecting rod 14. A second support 15 is fixedly connected to the right end face inside the box body 1. A third connecting rod 16 is rotatably connected inside the second support 15. The front end face of the third connecting rod 16 is fixedly connected to a second connecting shaft 17. The other end of the second connecting rod 14 is rotatably connected to the second connecting shaft 17. Two symmetrically distributed rollers 18 are rotatably connected to the inner wall of the third connecting rod 16. A limiting groove 19 is provided at the upper end of the outer wall of the second air inlet pipe 3. Both rollers 18 are slidably connected to the limiting groove 19.

[0021] In this embodiment: the drive motor 21 is started, the drive motor 21 drives the turntable 22 to rotate, and then drives the spur rack 26 to reciprocate left and right along the slide bar 25 through the fourth connecting rod 23, and then drives the second gear 27 to reciprocate. When the second gear 27 rotates, it drives the first air inlet pipe 2 to rotate, and then drives the second air inlet pipe 3 to rotate. The second air inlet pipe 3 further drives multiple aeration pipes 6 to rotate. When the first air inlet pipe 2 rotates, the first gear 11 is driven to rotate through the spiral teeth 20, and then drives the first connecting rod 13 to rotate. The first connecting rod 13 further drives the third connecting rod 16 to swing up and down along the second support 15 through the second connecting rod 14, and then drives the second air inlet pipe 3 to reciprocate up and down through the roller 18 and the limiting groove 19, thereby driving multiple aeration pipes 6 to reciprocate up and down. The aeration pipe 6 is driven by the drive motor 21 to reciprocate up and down while rotating back and forth, so that the gas discharged from the aeration pipe 6 is fully mixed with the sewage, the mixing is more uniform, and the aeration effect is good.

[0022] As a technical optimization scheme of the utility model, two support plates 24 are fixedly connected to the upper end surface of the box body 1, a slide rod 25 is fixedly connected between the two support plates 24, and the outer wall of the slide rod 25 is slidably connected to a spur rack 26. A drive motor 21 is installed on the upper end surface of the box body 1, and a turntable 22 is fixedly connected to the output end of the drive motor 21. The upper end surface of the turntable 22 is rotatably connected to a fourth connecting rod 23, and the other end of the fourth connecting rod 23 is rotatably connected to the spur rack 26. A second gear 27 is fixedly connected to the outer wall of the first air intake pipe 2, and the spur rack 26 is meshingly connected to the second gear 27.

[0023] In this embodiment: the drive motor 21 is started, the drive motor 21 drives the turntable 22 to rotate, and then drives the spur rack 26 to reciprocate left and right along the slide bar 25 through the fourth connecting rod 23, and then drives the second gear 27 to reciprocate. When the second gear 27 rotates, it drives the first intake pipe 2 to rotate. Through the cooperation of the turntable 22, the fourth connecting rod 23, the spur rack 26, and the second gear 27, the first intake pipe 2 can be driven to reciprocate.

[0024] As a technical optimization solution of the present invention, the cross section of the slide bar 25 along the front-to-back direction is rectangular.

[0025] In this embodiment, the spur rack 26 is prevented from rotating by setting the cross section of the slide bar 25 in the front-rear direction to be rectangular.

[0026] As a technical optimization solution of the present utility model, a water inlet 29 is provided on the left end surface of the box body 1 .

[0027] In this embodiment, a water inlet 29 is provided on the left end surface of the box body 1 to facilitate water intake.

[0028] As a technical optimization solution of the present utility model, a water outlet 30 is provided on the right end surface of the box body 1 .

[0029] In this embodiment, a water outlet 30 is provided on the right end surface of the box body 1 to facilitate drainage.

[0030] As a technical optimization solution of the present invention, a controller 28 is provided on the front end surface of the box body 1 , and the driving motor 21 is electrically connected to the controller 28 .

[0031] In this embodiment, the device is controlled by the controller 28, which saves time and effort and improves the degree of automation.

[0032] The working principle and use process of the utility model are as follows: when in use, the third air inlet pipe 4 is first connected to the external air source, and the gas is passed into the aeration pipe 6 through the third air inlet pipe 4, the first air inlet pipe 2 and the second air inlet pipe 3, and is discharged from the air hole 7. Then the driving motor 21 is started, and the driving motor 21 drives the rotating disk 22 to rotate, and then drives the spur rack 26 to reciprocate left and right along the sliding rod 25 through the fourth connecting rod 23, and then drives the second gear 27 to reciprocate. When the second gear 27 rotates, it drives the first air inlet pipe 2 to rotate, and then drives the second air inlet pipe 3 to rotate, and the second air inlet pipe 3 further drives When multiple aeration pipes 6 rotate and the first air inlet pipe 2 rotates, the first gear 11 is driven to rotate through the spiral teeth 20, and then the first connecting rod 13 is driven to rotate. The first connecting rod 13 further drives the third connecting rod 16 to swing up and down along the second support 15 through the second connecting rod 14, and then the second air inlet pipe 3 is driven to reciprocate up and down through the roller 18 and the limit groove 19, thereby driving the multiple aeration pipes 6 to reciprocate up and down. The aeration pipe 6 is driven by the driving motor 21 to reciprocate up and down while rotating back and forth, so that the gas discharged from the aeration pipe 6 is fully mixed with the sewage, the mixing is more uniform, and the aeration effect is good.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An aeration device for treating sewage with uniform mixing, comprising a housing (1), characterized in that: The first air intake pipe (2) is rotatably connected to the interior of the housing (1), the outer wall of the first air intake pipe (2) is slidably connected to the second air intake pipe (3), the upper end of the first air intake pipe (2) is installed with a swivel joint (5), the upper end of the first air intake pipe (2) is rotatably connected to the third air intake pipe (4) through the swivel joint (5), the outer wall of the second air intake pipe (3) is connected to a plurality of circumferentially distributed aeration pipes (6), the outer walls of the plurality of aeration pipes (6) are each provided with a plurality of evenly distributed air holes (7), the outer wall of the first air intake pipe (2) is fixedly connected to two symmetrically distributed slide rails (8), the inner wall of the second air intake pipe (3) is provided with two slide grooves (9) matching the slide rails (8), the outer wall of the first air intake pipe (2) is provided with spiral teeth (20), the right end surface inside the housing (1) is fixedly connected to a first support (10), the interior of the first support (10) is rotatably connected to a first connecting shaft (12) The outer wall of the first connecting shaft (12) is fixedly connected with a first gear (11), the first gear (11) is meshed with a spiral tooth (20), the front end of the first connecting shaft (12) extends to the outside of the first support (10) and is fixedly connected with a first connecting rod (13), the front end face of the first connecting rod (13) is rotatably connected with a second connecting rod (14), the right end face inside the box body (1) is fixedly connected with a second support (15), the inside of the second support (15) is rotatably connected with a third connecting rod (16), the front end face of the third connecting rod (16) is fixedly connected with a second connecting shaft (17), the other end of the second connecting rod (14) is rotatably connected with the second connecting shaft (17), the inner wall of the third connecting rod (16) is rotatably connected with two symmetrically distributed rollers (18), the upper end of the outer wall of the second intake pipe (3) is provided with a limiting groove (19), and the two rollers (18) are both slidably connected with the limiting groove (19).

2. The aeration device for treating sewage with uniform mixing according to claim 1, characterized in that: The upper end surface of the box body (1) is fixedly connected to two support plates (24), a slide bar (25) is fixedly connected between the two support plates (24), the outer wall of the slide bar (25) is slidably connected to a spur rack (26), the upper end surface of the box body (1) is installed with a drive motor (21), the output end of the drive motor (21) is fixedly connected to a turntable (22), the upper end surface of the turntable (22) is rotatably connected to a fourth connecting rod (23), the other end of the fourth connecting rod (23) is rotatably connected to the spur rack (26), the outer wall of the first intake pipe (2) is fixedly connected to a second gear (27), and the spur rack (26) is meshingly connected to the second gear (27).

3. The aeration device for treating sewage with uniform mixing according to claim 2, characterized in that: The cross section of the slide bar (25) along the front-rear direction is rectangular.

4. The aeration device for treating sewage with uniform mixing according to claim 1, characterized in that: The left end surface of the box body (1) is provided with a water inlet (29).

5. The aeration device for treating sewage with uniform mixing according to claim 1, characterized in that: The right end surface of the box body (1) is provided with a water outlet (30).

6. The aeration device for treating sewage with uniform mixing according to claim 2, characterized in that: A controller (28) is provided on the front end surface of the box body (1), and the drive motor (21) is electrically connected to the controller (28).

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