Urban sewage treatment aeration mechanism

Abstract

An aeration mechanism for urban sewage treatment comprises an aeration tank, an aeration pump is fixedly arranged on the aeration tank, an air inlet pipe is fixedly arranged at the air outlet end of the aeration pump, an aeration main pipe is fixedly arranged at the bottom in the aeration tank, the aeration main pipe is communicated with the air inlet pipe, and a plurality of aeration branch pipes communicated with the interior of the aeration main pipe are rotationally arranged on the aeration main pipe. Aeration discs are uniformly and fixedly arranged on the aeration main pipe and the aeration branch pipe respectively, a rocker is fixedly arranged on the aeration branch pipe, and a driving assembly for driving the rocker to swing is arranged on the aeration tank. According to the aeration device provided by the invention, the direction of spraying air into sewage by the aeration discs on the aeration branch pipes can be continuously changed, the aeration range of the aeration discs at the tops of the aeration branch pipes is effectively expanded, the aeration effect is improved, and meanwhile, the sewage treatment efficiency is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to city sewage treatment technical field, concretely relates to a city sewage treatment aeration mechanism. BACKGROUND

[0002] Aeration refers to in the sewage treatment process, using certain method and equipment, air is forced into the sewage, and the pool is contacted with air oxygenation, and liquid is stirred, accelerates the transfer of oxygen in air to liquid, prevents the pool suspended object to sink, strengthens the contact of organic matter in the pool and microorganism and dissolved oxygen, and the process of forced oxygenation in the sewage is called aeration, and in the process of city sewage treatment, a city sewage treatment aeration mechanism needs to be used.

[0003] For example, the patent literature with publication number "CN222434278U" and the name "a sewage purification grit chamber aeration device" includes a main pipe, the main pipe side wall is evenly distributed with a plurality of branch pipes along its axial direction, a height adjusting mechanism can be detachably installed on the branch pipe, and the height adjusting mechanism top is provided with an aeration mechanism for aeration, when installing, the aeration height of the aeration mechanism is adjusted through the height adjusting mechanism.

[0004] But the above-mentioned document in the use process, although the height of the aeration mechanism can be adjusted, but the aeration mechanism can only be perpendicular to the pool bottom and upwardly inject air, resulting in the range of aeration is relatively small, the aeration effect is poor, reduces the efficiency of sewage treatment. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiency of prior art, proposes a city sewage treatment aeration mechanism, and is used to solve the technical problem that the range of aeration is relatively small, the aeration effect is poor, and the efficiency of sewage treatment is reduced in the background art.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A city sewage treatment aeration mechanism, including aeration tank, the aeration tank is provided with aeration pump, the aeration pump is fixedly provided with the air inlet pipe at the air outlet end, the bottom in the aeration tank is fixedly provided with aeration main pipe, and the aeration main pipe is communicated with the air inlet pipe, a plurality of aeration branch pipes communicated with the inside are rotatably arranged on the aeration main pipe, the aeration main pipe and aeration branch pipe are evenly fixedly provided with aeration disc respectively, the rocker is fixedly arranged on the aeration branch pipe, and the drive assembly that drives the rocker to swing is arranged on the aeration tank.

[0008] Working principle: when using, start the aeration pump to pass into air into the aeration main pipe and the aeration branch pipe through the air inlet pipe, then the air is dispersed and sprayed into the sewage by the aeration disc, so that the air is fully mixed with the sewage, the driving assembly is started to drive the plurality of rocker arms to swing left and right, the plurality of rocker arms drive the plurality of aeration branch pipes to swing left and right, and the plurality of aeration branch pipes drive the plurality of aeration discs on the top thereof to swing left and right, so that the direction of the aeration disc on the top of the aeration branch pipe to spray air into the sewage is changed constantly, and the aeration range of the aeration disc on the top of the aeration branch pipe is effectively expanded.

[0009] The aeration branch pipe is provided with a rocker arm, and the aeration tank is provided with a driving assembly for driving the rocker arm to swing, so that the direction of the aeration disc on the top of the aeration branch pipe to spray air into the sewage is changed constantly, the aeration range of the aeration disc on the top of the aeration branch pipe is effectively expanded, the aeration effect is improved, and the efficiency of sewage treatment is improved.

[0010] Further, one side of the aeration tank is fixedly provided with a support plate, a motor is fixedly arranged on the support plate, an output end of the motor is fixedly provided with a stirring shaft, one end of the stirring shaft extends into the aeration tank and is rotatably connected with the aeration tank, and stirring rods are uniformly fixedly arranged on the outer periphery of the stirring shaft.

[0011] Further, the driving assembly comprises a driving wheel and a plurality of sliding rods, the plurality of sliding rods are slidingly arranged on the inner wall of the aeration tank, the plurality of sliding rods are fixedly connected through connecting rods, the sliding rods are provided with through grooves in the vertical direction thereof, the through grooves are slidingly matched with the corresponding rocker arms, the driving wheel is rotatably arranged in the aeration tank through a rotating shaft, an eccentric column is fixedly arranged at the eccentric position of one side of the driving wheel, the eccentric column is slidingly matched with one of the through grooves, and a transmission assembly is arranged between the rotating shaft and the stirring shaft.

[0012] Further, the transmission assembly comprises a driving wheel and a driven wheel, the driving wheel is fixedly arranged on the stirring shaft, and the driven wheel is fixedly arranged on the rotating shaft.

[0013] Further, the aeration main pipe is in the shape of a mouth, and the two ends of the aeration branch pipe are rotatably connected with the aeration main pipe.

[0014] Further, the plurality of aeration discs on the aeration main pipe and the aeration branch pipe are arranged in a staggered manner. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2It is a sectional view of the utility model;

[0017] Figure 3 It is the utility model Figure 2 A place enlarged view of;

[0018] Figure 4 It is the utility model hidden to expose the partial view of the aeration tank.

[0019] Mark 1, aeration tank; 2, aeration pump; 3, air inlet pipe; 4, support plate; 5, motor; 6, stirring shaft; 7, stirring rod; 8, aeration main pipe; 9, aeration branch pipe; 10, aeration disc; 11, rocker; 12, link rod; 13, sliding rod; 14, through groove; 15, connecting rod; 16, guide groove; 17, guide rod; 18, drive wheel; 19, eccentric column; 20, rotating shaft; 21, driving wheel; 22, driven wheel; 23, transmission belt. Specific implementation

[0020] The technical scheme in the utility model is further explained below in connection with the drawings and examples.

[0021] As Figures 1-2 shown, a kind of urban sewage treatment aeration mechanism, including aeration tank 1, aeration tank 1 side is equipped with aeration pump 2, the air outlet of aeration pump 2 is fixedly connected with air inlet pipe 3.Aeration tank 1 in the bottom is fixedly installed with aeration main pipe 8, aeration main pipe 8 is communicated with air inlet pipe 3.Aeration main pipe 8 is mouth-shaped, and multiple aeration branch pipes 9 are arranged equidistantly in the mouth-shaped space surrounded by aeration main pipe 8, and the two ends of aeration branch pipe 9 are rotatably connected with aeration main pipe 8 by swivel joint, to facilitate the relative rotation of aeration branch pipe 9 and aeration main pipe 8.The top of aeration main pipe 8 and aeration branch pipe 9 is fixedly installed with aeration disc 10 along its length direction respectively.By aeration pump 2, aeration main pipe 8 and aeration main pipe 8 are provided with gas to aeration disc 10 through air inlet pipe 3, so as to expose gas to sewage through aeration disc 10.The multiple aeration discs 10 on the top of aeration main pipe 8 and aeration branch pipe 9 are staggered, which is conducive to making the air content in the sewage in aeration tank 1 uniform, and improving aeration effect.

[0022] As Figure 1 shown, aeration tank 1 side is fixedly installed with support plate 4, and the top of support plate 4 is fixedly installed with motor 5, and the output end of motor 5 is fixedly installed with stirring shaft 6, and the end of stirring shaft 6 away from motor 5 penetrates aeration tank 1 and extends to the inside of aeration tank 1, and the end of stirring shaft 6 away from motor 5 is rotatably connected with aeration tank 1, and the outer periphery of stirring shaft 6 is fixedly installed with stirring rod 7 along its length direction.Start motor 5, and motor 5 drives stirring rod 7 to rotate through stirring shaft 6, and stirring rod 7 stirs the sewage in aeration tank 1, accelerates the transfer of oxygen in air to liquid, prevents the suspended objects in the tank from sinking, so as to improve the efficiency of sewage treatment.

[0023] As Figure 3 and Figure 4 shown, one end of the aeration branch pipe 9 is fixedly installed with a rocker 11, and the aeration tank 1 is installed with a driving assembly for driving the rocker 11 to swing, the driving assembly comprising a driving wheel 18 and a plurality of sliding rods 13, the plurality of sliding rods 13 are all slidingly installed on the inner wall of one side of the aeration tank 1. The inner wall of one side of the aeration tank 1 is symmetrically provided with a guide groove 16 above and below, the plurality of sliding rods 13 are vertically arranged, and the two ends of the sliding rod 13 are both fixedly installed with a guide rod 17, the guide rod 17 is slidingly installed in the corresponding guide groove 16. The plurality of sliding rods 13 are fixedly connected by a connecting rod 15. The sliding rod 13 is provided with a through groove 14 in the vertical direction thereof, and the end of the rocker 11 away from the aeration branch pipe 9 is fixedly installed with a connecting rod 12, the connecting rod 12 is slidingly matched with the corresponding through groove 14, and the connecting rod 12 can slide along the through groove 14 or rotate relative to the through groove 14. The driving wheel 18 is fixedly installed with a rotating shaft 20 at the center of one side, and the rotating shaft 20 is rotatably connected with the inner wall of one side in the aeration tank 1. The eccentric column 19 is fixedly installed at the eccentric position of one side of the driving wheel 18, and the eccentric column 19 is slidingly matched with one of the through grooves 14. And the eccentric column 19 does not interfere with the corresponding sliding rod 13 when sliding along the through groove 14.

[0024] As Figure 4 shown, the transmission assembly is installed between the rotating shaft 20 and the stirring shaft 6. The transmission assembly comprises a driving wheel 21 and a driven wheel 22, the driving wheel 21 is fixedly installed on the end of the stirring shaft 6 outside the aeration tank 1, one end of the rotating shaft 20 extends to the outside of the aeration tank 1, and the driven wheel 22 is fixedly installed on the end of the rotating shaft 20 outside the aeration tank 1, the driven wheel 22 and the driving wheel 21 are sleeved with the same transmission belt 23. Since the driven wheel 22 is located below the support plate 4, the support plate 4 is symmetrically provided with an avoiding hole for avoiding the rotation of the transmission belt 23. Specifically, the driven wheel 22 and the driving wheel 21 are both belt pulleys, and the transmission belt 23 is a belt.

[0025] Working principle:

[0026] In use, the aeration pump 2 is started to pass air into the aeration main pipe 8 and the aeration branch pipe 9 through the air inlet pipe 3, and then the air is dispersed and sprayed into the sewage by the aeration disc 10, so that the air is fully mixed with the sewage.

[0027] The motor 5 is started, the motor 5 drives the stirring shaft 6 to rotate, the stirring shaft 6 drives the stirring rod 7 to stir the sewage, and the efficiency of aeration is improved. The stirring shaft 6 rotates at the same time to drive the driving wheel 21 to rotate, the driving wheel 21 drives the driven wheel 22 to rotate through the transmission belt 23, the driven wheel 22 drives the driving wheel 18 to rotate through the rotating shaft 20, the driving wheel 18 drives the eccentric column 19 to rotate, the eccentric column 19 is in sliding fit with the corresponding through slot 14 in the process of rotating, so as to drive the corresponding sliding rod 13 to reciprocate left and right, the corresponding sliding rod 13 drives another sliding rod 13 to reciprocate left and right through the connecting rod 15, so that the through slot 14 on the plurality of sliding rods 13 is respectively in sliding fit with the corresponding link rod 12, and simultaneously drives a plurality of rocker arms 11 to swing left and right, a plurality of rocker arms 11 drive a plurality of aeration branch pipes 9 to swing left and right, and a plurality of aeration branch pipes 9 drive a plurality of aeration discs 10 at the top thereof to swing left and right, so that the direction of the aeration disc 10 on the aeration branch pipe 9 to the sewage is constantly changed, the aeration range of the aeration disc 10 at the top of the aeration branch pipe 9 is effectively expanded, the aeration effect is improved, and the efficiency of sewage treatment is improved.

[0028] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An aeration mechanism for urban wastewater treatment, comprising an aeration tank (1), characterized in that, An aeration pump (2) is provided on the aeration tank (1). An air inlet pipe (3) is fixedly provided at the air outlet end of the aeration pump (2). An aeration main pipe (8) is fixedly provided at the bottom of the aeration tank (1). The aeration main pipe (8) is connected to the air inlet pipe (3). Multiple aeration branch pipes (9) connected to the interior of the aeration main pipe (8) are rotatably provided on the aeration main pipe (8). An aeration disc (10) is evenly fixedly provided on the aeration main pipe (8) and the aeration branch pipes (9). A rocker arm (11) is fixedly provided on the aeration branch pipes (9). A drive assembly that drives the rocker arm (11) to swing is provided on the aeration tank (1). A support plate (4) is fixedly installed on one side of the aeration tank (1), a motor (5) is fixedly installed on the support plate (4), a stirring shaft (6) is fixedly installed at the output end of the motor (5), one end of the stirring shaft (6) extends into the aeration tank (1) and is rotatably connected to the aeration tank (1), and stirring rods (7) are evenly fixedly installed on the outer periphery of the stirring shaft (6). The drive assembly includes a drive wheel (18) and multiple sliding rods (13). The multiple sliding rods (13) are slidably disposed on the inner wall of the aeration tank (1). The multiple sliding rods (13) are fixedly connected to each other by connecting rods (15). The sliding rods (13) have through grooves (14) in their vertical direction. The through grooves (14) are slidably engaged with the corresponding rocker arm (11). The drive wheel (18) is rotatably disposed in the aeration tank (1) through a rotating shaft (20). An eccentric column (19) is fixedly disposed at an eccentric position on one side of the drive wheel (18). The eccentric column (19) is slidably engaged with one of the through grooves (14). A transmission assembly is disposed between the rotating shaft (20) and the stirring shaft (6).

2. The urban sewage treatment aeration mechanism according to claim 1, characterized in that, The transmission assembly includes a drive wheel (21) and a driven wheel (22). The drive wheel (21) is fixedly mounted on the stirring shaft (6), and the driven wheel (22) is fixedly mounted on the rotating shaft (20). A transmission belt (23) is fitted on the driven wheel (22) and the drive wheel (21).

3. The urban sewage treatment aeration mechanism according to claim 1, characterized in that, The aeration main pipe (8) is U-shaped, and the two ends of the aeration branch pipe (9) are rotatably connected to the aeration main pipe (8).

4. The urban sewage treatment aeration mechanism according to claim 3, characterized in that, The multiple aeration discs (10) on the aeration main pipe (8) and aeration branch pipe (9) are arranged alternately.

Images