CN214936379U

CN214936379U - Sewage treatment aeration tank drainage structure with self-cleaning function

Info

Publication number: CN214936379U
Application number: CN202120695052.0U
Authority: CN
Inventors: 吴昌春
Original assignee: Shenzhen Cfg Environmental Protection Industrial Co ltd
Current assignee: Shenzhen Cfg Environmental Protection Industrial Co ltd
Priority date: 2021-04-07
Filing date: 2021-04-07
Publication date: 2021-11-30
Anticipated expiration: 2031-04-07

Abstract

The utility model discloses a sewage treatment aeration tank drainage structures of area self-cleaning, including the aeration tank, the outer wall fixedly connected with protecting box of aeration tank, the interior diapire fixedly connected with motor of protecting box seems, the terminal fixedly connected with of output shaft of motor runs through the pivot of aeration tank outer wall, the incomplete gear of tip fixedly connected with of pivot, two dead levers of the interior roof symmetry fixedly connected with of aeration tank, two the equal activity of outer wall of dead lever is equipped with the slide bar, is located the right side common fixedly connected with spring is located leftwards between the interior roof of slide bar and aeration tank the outer wall of slide bar is equipped with the sawtooth with incomplete gear engaged with, be equipped with the filter screen in the aeration tank. The utility model discloses a cooperation of incomplete gear and sawtooth realizes the brush hair on the brush board to the clearance of making a round trip of filter screen surface impurity, avoids the filter screen to block up and influences the filter effect, and then reaches the effect from the clearance.

Description

Sewage treatment aeration tank drainage structure with self-cleaning function

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a sewage treatment aeration tank drainage structures of area self-cleaning.

Background

The aeration tank is a structure for sewage treatment by an activated sludge method. A certain sewage retention time is provided in the tank, so that the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge are met. The aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet. The tank body is generally made of reinforced concrete, and the planar shape of the tank body is rectangular, square, circular and the like.

The drainage structure of the current sewage treatment aeration tank is not convenient for inner self-cleaning, and can cause the blockage of a filter screen for a long time to influence the filtering effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the background technology and providing a sewage treatment aeration tank drainage structure with self-cleaning function.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sewage treatment aeration tank drainage structure with self-cleaning function comprises an aeration tank, wherein a protective box is fixedly connected to the outer wall of the aeration tank, a motor is fixedly connected to the inner bottom wall of the protective box, a rotating shaft penetrating through the outer wall of the aeration tank is fixedly connected to the tail end of an output shaft of the motor, an incomplete gear is fixedly connected to the end portion of the rotating shaft, two fixing rods are symmetrically and fixedly connected to the inner top wall of the aeration tank, sliding rods are movably arranged on the outer walls of the two fixing rods, a spring is fixedly connected between the sliding rod on the right side and the inner top wall of the aeration tank together, sawteeth meshed with the incomplete gear are arranged on the outer wall of the sliding rod on the left side, a filter screen is arranged in the aeration tank, material collecting boxes are arranged between the two ends of the filter screen and the inner wall of the aeration tank, discharge ports are arranged on the lower side wall of each material collecting box, and valves are arranged in the discharge ports, the aeration tank is characterized in that a rotating rod is rotationally connected in the aeration tank, a brush plate is fixedly connected to the end portion of the rotating rod, bristles which are in contact with a filter screen are arranged on the outer wall of the brush plate, and fixing plates which are abutted to the sliding rods on the same side are fixedly connected to the outer walls of the two sides of the rotating rod.

Preferably, the common fixedly connected with is located the stock guide of the workbin below that gathers materials between the both ends of filter screen and the inner wall of aeration tank, the both sides outer wall of aeration tank all is equipped with the bin outlet.

Preferably, a heat dissipation plate is fixedly arranged on the lower side wall of the protection box in a penetrating mode.

Preferably, the inner top wall of the aeration tank is fixedly connected with a limiting plate sleeved on the outer wall of the rotating shaft, and the outer wall of the limiting plate is fixedly provided with a bearing fixedly sleeved on the outer wall of the rotating shaft in a penetrating manner.

Preferably, the lower ends of the two sliding rods are arranged in an arc shape.

Compared with the prior art, the sewage treatment aeration tank drainage structure with the self-cleaning function has the advantages that:

the brush plate is arranged, the rotating shaft is driven by the motor to drive the incomplete gear to rotate, when a toothed part of the incomplete gear is meshed with the saw teeth, the left sliding rod is driven to move downwards, then the upper wall of the left fixing plate is pushed, the rotating rod rotates anticlockwise, the right fixing plate pushes the right sliding rod to move upwards to compress the spring, when the toothed part of the incomplete gear rotates away from the saw teeth, the right sliding rod moves downwards by the elasticity of the spring, the upper wall of the right fixing plate is pushed, the rotating rod rotates clockwise, the brush plate swings back and forth under the continuous rotation of the incomplete gear, impurities on the surface of the filter screen are cleaned back and forth by bristles on the brush plate, the impurities are cleaned into material collecting boxes on two sides, the filter screen is prevented from being blocked, the filter effect is prevented from being influenced, and the self-cleaning effect is achieved;

the discharge opening is arranged, when the impurities in the material collecting box are excessive, the valve at the discharge opening in the material collecting box is opened to discharge the impurities, the discharged impurities fall to the discharge opening through the material guide plate and are finally discharged to the outside of the aeration tank for centralized treatment, and pollution is avoided;

to sum up, the utility model discloses a cooperation of incomplete gear and sawtooth realizes that the brush hair influences the filter effect to the clearance of making a round trip of filter screen surface impurity on the brush board, avoids the filter screen to block up, and then reaches the effect from the clearance.

Drawings

FIG. 1 is a schematic structural view of a drainage structure of a sewage treatment aeration tank with self-cleaning function provided by the utility model;

FIG. 2 is a side view of the junction of the rotating shaft and the limiting plate in the drainage structure of the sewage treatment aeration tank with self-cleaning function provided by the utility model.

In the figure: 1 aeration tank, 2 protective boxes, 3 motors, 4 rotating shafts, 5 incomplete gears, 6 filter screens, 7 rotating rods, 8 brush plates, 9 heat dissipation plates, 10 fixing plates, 11 sliding rods, 12 springs, 13 sawteeth, 14 material collecting boxes, 15 bearings, 16 material guide plates, 17 discharge ports and 18 limiting plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a sewage treatment aeration tank drainage structure with self-cleaning function, including aeration tank 1, aeration tank 1's outer wall fixedly connected with protective housing 2, seems protective housing 2's inner diapire fixedly connected with motor 3, protective housing 2's lower lateral wall is fixed to run through and is provided with heating panel 9, can dispel the heat that the motor 3 during operation produced through the setting of heating panel 9 to improve motor 3's life.

The terminal fixedly connected with of output shaft of motor 3 runs through pivot 4 of aeration tank 1 outer wall, and the limiting plate 18 on the outer wall of pivot 4 is established to the interior roof fixedly connected with cover of aeration tank 1, and the outer wall of limiting plate 18 is fixed to run through and is equipped with fixed cover and establish bearing 15 on the outer wall of pivot 4, and the setting through bearing 15 has improved the stability when pivot 4 rotates.

The incomplete gear 5 of tip fixedly connected with of pivot 4, two dead levers of the interior roof symmetry fixedly connected with of aeration tank 1, the outer wall of two dead levers all activity is equipped with slide bar 11, and the lower extreme of two slide bars 11 all is the arc setting, has made things convenient for the contact of slide bar 11 with fixed plate 10.

A spring 12 is fixedly connected between a slide bar 11 positioned on the right side and the inner top wall of the aeration tank 1, sawteeth 13 meshed with the incomplete gear 5 are arranged on the outer wall of the slide bar 11 positioned on the left side, a filter screen 6 is arranged in the aeration tank 1, a material collecting box 14 is arranged between the two ends of the filter screen 6 and the inner wall of the aeration tank 1, discharge ports are arranged on the lower side wall of the material collecting box 14, valves are arranged in the discharge ports, a rotating rod 7 is rotatably connected in the aeration tank 1, a brush plate 8 is fixedly connected to the end part of the rotating rod 7, brush bristles contacted with the filter screen 6 are arranged on the outer wall of the brush plate 8, fixing plates 10 butted with the slide bars 11 on the same side are fixedly connected to the outer walls on the two sides of the rotating rod 7, the incomplete gear 5 is driven to rotate by a motor 3, when a toothed part of the incomplete gear 5 is meshed with the sawteeth 13, the slide bar 11 on the left side is driven to move downwards, and then the upper wall of the fixing plate 10 on the left side is pushed, make bull stick 7 anticlockwise rotation this moment right side fixed plate 10 promote slide bar 11 on right side to move up again compression spring 12, when the toothed part of incomplete gear 5 changes from sawtooth 13, the elasticity of spring 12 makes right side slide bar 11 move down again through the upper wall that promotes right side fixed plate 10, make bull stick 7 clockwise rotation, thereby under the continuous rotation of incomplete gear 5, realize the reciprocal swing of brush board 8, thereby realize brush board 8 goes up the brush hair and makes a round trip to the impurity clearance on filter screen 6 surface, and clear up to the case 14 that gathers materials of both sides in, avoid filter screen 6 to block up and influence the filter effect, and then reach the effect from clearing up.

Further, equal common fixedly connected with is located the stock guide 16 of the case 14 below that gathers materials between the both ends of filter screen 6 and the inner wall of aeration tank 1, and the both sides outer wall of aeration tank 1 all is equipped with bin outlet 17, and when gathering materials in the case 14 impurity too much, open the valve of the interior bin outlet department of the case 14 that gathers materials, with impurity discharge, discharged impurity falls to bin outlet 17 department through stock guide 16, finally discharges to aeration tank 1 outer centralized processing, avoids causing the pollution.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

Now, the operation principle of the present invention is explained as follows:

the motor 3 drives the rotating shaft 4 to drive the incomplete gear 5 to rotate, when the toothed part of the incomplete gear 5 is meshed with the saw teeth 13, the left sliding rod 11 is driven to move downwards, then, by pushing the upper wall of the left fixed plate 10, the rotating rod 7 is rotated counterclockwise, then the right fixed plate 10 pushes the right sliding rod 11 to move up and compress the spring 12, when the toothed portion of the partial gear 5 is rotated away from the saw teeth 13, the right sliding rod 11 is moved down by the elastic force of the spring 12 and then by pushing the upper wall of the right fixing plate 10, the rotating rod 7 is rotated clockwise, thereby realizing the reciprocating swing of the brush plate 8 under the continuous rotation of the incomplete gear 5, further realizing the back-and-forth cleaning of the brush hair on the brush plate 8 to the impurities on the surface of the filter screen 6, and cleaning the waste water to the material collecting boxes 14 at two sides, so as to avoid the filter screen 6 from being blocked to influence the filtering effect, and further achieve the self-cleaning effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The sewage treatment aeration tank drainage structure with the self-cleaning function comprises an aeration tank (1) and is characterized in that a protective box (2) is fixedly connected to the outer wall of the aeration tank (1), a motor (3) is fixedly connected to the inner bottom wall of the protective box (2), a rotating shaft (4) penetrating through the outer wall of the aeration tank (1) is fixedly connected to the tail end of an output shaft of the motor (3), an incomplete gear (5) is fixedly connected to the end of the rotating shaft (4), two fixing rods are symmetrically and fixedly connected to the inner top wall of the aeration tank (1), sliding rods (11) are movably arranged on the outer walls of the two fixing rods, springs (12) are fixedly connected between the sliding rods (11) on the right side and the inner top wall of the aeration tank (1) together, sawteeth (13) meshed with the incomplete gear (5) are arranged on the outer wall of the sliding rods (11) on the left side, be equipped with filter screen (6) in aeration tank (1), all be equipped with between the both ends of filter screen (6) and the inner wall of aeration tank (1) and gather materials case (14), the lower lateral wall that gathers materials case (14) all is equipped with the discharge gate, be equipped with the valve in the discharge gate, aeration tank (1) internal rotation is connected with bull stick (7), the tip fixedly connected with brush board (8) of bull stick (7), the outer wall of brush board (8) is equipped with the brush hair that contacts with filter screen (6), the equal fixedly connected with of both sides outer wall of bull stick (7) and fixed plate (10) that homonymy slide bar (11) offset.

2. The sewage treatment aeration tank drainage structure with the self-cleaning function according to claim 1, wherein a material guide plate (16) positioned below the material collecting box (14) is fixedly connected between the two ends of the filter screen (6) and the inner wall of the aeration tank (1), and the outer walls of the two sides of the aeration tank (1) are provided with material outlets (17).

3. The sewage treatment aeration tank drainage structure with self-cleaning function according to claim 1, wherein a heat dissipation plate (9) is fixedly arranged on the lower side wall of the protection box (2) in a penetrating manner.

4. The sewage treatment aeration tank drainage structure with the self-cleaning function according to claim 1, wherein a limiting plate (18) sleeved on the outer wall of the rotating shaft (4) is fixedly connected to the inner top wall of the aeration tank (1), and a bearing (15) fixedly sleeved on the outer wall of the rotating shaft (4) is fixedly arranged on the outer wall of the limiting plate (18) in a penetrating manner.

5. The sewage treatment aeration tank drainage structure with self-cleaning function according to claim 1, wherein the lower ends of the two sliding rods (11) are both arc-shaped.