Aeration device for activated sludge treatment sewage process

Abstract

The utility model provides an aeration device for an activated sludge treatment sewage process, which belongs to the field of sewage treatment and comprises an aeration tank body, a support frame is fixedly mounted on the upper end face of the aeration tank body, two cylinders are fixedly mounted on the upper end face of the support frame, and the two cylinders are fixedly mounted on the upper end face of the aeration tank body. The output ends of the two air cylinders penetrate through the supporting frame in a sliding mode and are fixedly connected with a connecting frame, a plurality of aeration pipe bodies are installed on the connecting frame, an air conveying pipe is jointly installed between the aeration pipe bodies, a stirring assembly and a cleaning assembly are installed on the connecting frame, and the cleaning assembly comprises a sliding groove formed in the connecting frame. The cleaning brush reciprocates to clean the surface of the aeration pipe body, dirt and a biological membrane can be prevented from being accumulated on the surface of the aeration pipe body, abrasion and corrosion of the aeration pipe body are reduced, the service life of the aeration pipe body is prolonged, sewage in the aeration tank body is stirred by the stirring rod, and the aeration tank is convenient to clean. The treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially relates to a kind of aeration device for activated sludge sewage treatment process. BACKGROUND

[0002] ‌Aeration tank is a kind of biochemical reactor specially designed for sewage treatment and degradation of organic pollutants‌. It uses activated sludge method for treatment, by passing air into the tank, the oxygen in the air is dissolved in water, to meet the oxygen demand of aerobic microorganisms, while making sewage and activated sludge fully contact, so as to degrade organic pollutants in sewage by microbial oxidation.

[0003] The aeration device for activated sludge sewage treatment process with the application number CN202022087157.6 includes a main body, support rods are arranged on the outer surfaces of both sides of the main body, an aeration pipe is arranged on one side of the support rod, an installation plate is fixedly installed on the upper end outer surface of the aeration pipe, a control mechanism is fixedly installed on the upper surface of the installation plate, a connecting column is fixedly connected to the upper surface of the installation plate, a sliding mechanism is installed on the outer surface of the connecting column, and an extension mechanism is fixedly installed on the upper end outer surface of the connecting column. In the utility model, the connecting seat, the silk sleeve, the screw rod and the runner are arranged, so that when the aeration pipe needs to be raised and lowered for adjustment, the screw rod and the silk sleeve can be rotated to control the extension and retraction of the screw rod, and the height of the installation plate can be easily adjusted, making it more convenient to overhaul the aeration pipe. However, dirt and impurities on the aeration pipe can block the aeration holes, causing poor air circulation and affecting the aeration effect. If the aeration pipe is replaced or adjusted directly, the maintenance cost and downtime are increased, and the sludge is prone to uneven sedimentation, forming clumps and affecting the subsequent treatment effect. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model provides an aeration device for activated sludge sewage treatment process.

[0005] The embodiment of the utility model provides an aeration device for activated sludge sewage treatment process, which includes:

[0006] The aeration tank body is provided with a support frame fixedly installed on the upper end face, two air cylinders fixedly installed on the upper end face of the support frame, output ends of the two air cylinders slidingly penetrating through the support frame and being fixedly connected with a connecting frame, a plurality of aeration pipe bodies installed on the connecting frame, a gas conveying pipe commonly installed between the plurality of aeration pipe bodies, a stirring assembly and a cleaning assembly installed on the connecting frame, the cleaning assembly comprising a sliding groove opened on the connecting frame, a reciprocating screw rod rotatably connected to the inner wall of the sliding groove, a connecting rod installed on the reciprocating screw rod and slidingly connected in the sliding groove, a cleaning brush fixedly connected to the connecting rod, a servo motor fixedly installed on the connecting frame, a first bevel gear fixedly connected to the rotating end of the servo motor, a second bevel gear rotatably connected to the connecting frame, and the first bevel gear and the second bevel gear being in meshing engagement, and the second bevel gear and the reciprocating screw rod being fixedly connected.

[0007] Further, the stirring assembly comprises two stirring rods rotatably connected to the connecting frame, a plurality of stirring rods fixedly connected to the side wall of each of the two stirring rods, two first belt pulleys rotatably connected to the connecting frame, the first belt pulleys being driven by a first transmission belt, a second belt pulley fixedly connected to the connecting frame, a third belt pulley fixedly connected to the output end of the servo motor, the second belt pulley and the third belt pulley being driven by a second transmission belt, and a fourth belt pulley fixedly connected to each of the second belt pulley and one of the first belt pulleys, the fourth belt pulleys being driven by a third transmission belt.

[0008] Further, the gas conveying pipe is fixedly connected with a fixing flange.

[0009] Further, the connecting frame is provided with an anti-rust coating.

[0010] Further, the aeration pipe body is a silica rubber aeration pipe, and the aeration pipe body is provided with an anti-corrosion coating.

[0011] Further, the connecting frame is fixedly connected with a protective plate, and the servo motor is located below the protective plate.

[0012] Compared with the prior art, the aeration tank has the following beneficial effects:

[0013] 1. When the servo motor starts to work, the reciprocating screw rod rotates, and the cleaning brush reciprocates to clean the surface of the aeration pipe body, so that the accumulation of dirt and biofilm on the surface of the aeration pipe body is prevented, the abrasion and corrosion of the aeration pipe body are reduced, and the service life of the aeration pipe body is prolonged.

[0014] 2, the servo motor works, so that the stirring rod can rotate, realize to the sewage in the aeration tank body is stirred, can make air or oxygen in water more evenly distributed, increase gas-liquid contact area and time, thereby improve the oxygen transfer efficiency, and can prevent sludge deposition in the pool bottom, keep the suspended state of sludge, improve the processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure three-dimensional schematic view of the active sludge treatment sewage process aeration device described in the embodiment of the utility model.

[0016] Figure 2 It is a structure three-dimensional sectional view of the active sludge treatment sewage process aeration device described in the embodiment of the utility model.

[0017] Figure 3 It is Figure 2 The structure of A is enlarged.

[0018] In the above drawing: 1 aeration tank body, 2 support frame, 3 air cylinder, 4 connecting frame, 5 aeration pipe body, 6 gas pipe, 7 reciprocating screw, 8 connecting rod, 9 cleaning brush, 10 servo motor, 11 first bevel gear, 12 stirring rod, 13 first belt pulley, 14 first transmission belt, 15 second transmission belt, 16 guard plate. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model is further explained below in combination with the drawings and examples.

[0020] As Figures 1-3 The embodiment of the utility model discloses an active sludge treatment sewage process aeration device, which comprises:

[0021] The aeration tank body 1 is prior art, which will not be repeated here, and the support frame 2 is fixedly installed on the upper end face of the aeration tank body 1. Two air cylinders 3 are fixedly installed on the upper end face of the support frame 2. The output ends of the two air cylinders 3 slide through the support frame 2 and are fixedly connected with the connecting frame 4. The connecting frame 4 is provided with an anti-rust coating, which improves the service life of the connecting frame 4. A plurality of aeration pipe bodies 5 are installed on the connecting frame 4. The aeration pipe body 5 is a silicon rubber aeration pipe, and the aeration pipe body 5 is provided with a corrosion-resistant coating. It belongs to an oxygen-increasing aeration treatment equipment, and the aeration pipe membrane material is silicon rubber material, which will not be repeated here. A gas pipe 6 is jointly installed between the plurality of aeration pipe bodies 5. The gas pipe 6 is fixedly connected with a fixed flange. One end of the gas pipe 6 is provided with a gas supply end.

[0022] The connecting frame 4 is provided with a stirring assembly and a cleaning assembly, the cleaning assembly comprises a sliding groove opened on the connecting frame 4, a reciprocating screw rod 7 is rotationally connected to the inner wall of the sliding groove, a connecting rod 8 is installed on the reciprocating screw rod 7, the connecting rod 8 is slidingly connected in the sliding groove, a cleaning brush 9 is fixedly connected to the connecting rod 8, a servo motor 10 is fixedly installed on the connecting frame 4, a protective plate 16 is fixedly connected to the connecting frame 4, the servo motor 10 is located below the protective plate 16, the protection of the servo motor 10 is realized, a first bevel gear 11 is fixedly connected to the rotating end of the servo motor 10, a second bevel gear is rotationally connected to the connecting frame 4, the first bevel gear 11 and the second bevel gear are meshed with each other, and the second bevel gear and the reciprocating screw rod 7 are fixedly connected;

[0023] The stirring assembly comprises two stirring rods which are rotationally connected to the connecting frame 4, a plurality of stirring rods 12 are fixedly connected to the side walls of the two stirring rods, two first belt pulleys 13 are rotationally connected to the connecting frame 4, the two first belt pulleys 13 are driven by a first transmission belt 14, a second belt pulley is fixedly connected to the connecting frame 4, a third belt pulley is fixedly connected to the output end of the servo motor 10, the second belt pulley and the third belt pulley are driven by a second transmission belt 15, and the second belt pulley and one of the first belt pulleys 13 are fixedly connected with a fourth belt pulley, and the two fourth belt pulleys are driven by a third transmission belt.

[0024] The detailed working process of the utility model is as follows:

[0025] When sewage treatment is needed, sewage is injected into the aeration tank body 1, then gas is injected into the gas conveying pipe 6, the gas is discharged through the aeration pipe body 5, the gas reacts with the organic matter in the sewage, the metabolic activity of microorganisms is promoted, the organic matter is degraded, then the servo motor 10 starts to work, the rotating end of the servo motor 10 drives the first bevel gear 11 to rotate, then the second bevel gear rotates, the reciprocating screw rod 7 in the sliding groove rotates, the connecting rod 8 slides, the cleaning brush 9 reciprocates, the surface of the aeration pipe body 5 is cleaned, the accumulation of dirt and biological membrane on the surface of the aeration pipe body 5 is prevented, the abrasion and corrosion of the aeration pipe body 5 are reduced, the service life of the aeration pipe body 5 is prolonged, and when the servo motor 10 works, the stirring rod 12 can rotate under the transmission of the fourth belt pulley, the third transmission belt, the third belt pulley, the second belt pulley, the second transmission belt 15, the first belt pulley 13 and the first transmission belt 14, the sewage in the aeration tank body 1 is stirred, the air can be more uniformly distributed in the water, the gas-liquid contact area and time are increased, the oxygen transfer efficiency is improved, the sludge deposition in the tank bottom is prevented, the sludge is kept in a suspended state, and the treatment efficiency is improved.

[0026] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. 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 by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. An aeration device for activated sludge sewage treatment process, characterized by comprising: The utility model relates to an aeration device for activated sludge sewage treatment process, including: Aeration tank body (1), the aeration tank body (1) upper end face fixed mounting has support frame (2), the support frame (2) upper end face fixed mounting has two air cylinders (3), two the output of air cylinder (3) slidingly penetrates support frame (2) and is fixedly connected with connecting frame (4), install a plurality of aeration pipe body (5) on connecting frame (4), install gas pipe (6) between a plurality of aeration pipe body (5) together, install stirring subassembly and cleaning subassembly on connecting frame (4), the cleaning subassembly includes the sliding slot of opening in connecting frame (4), the reciprocating lead screw (7) of sliding slot inner wall rotation is connected, install connecting rod (8) on reciprocating lead screw (7), connecting rod (8) slidingly connects in sliding slot, cleaning brush (9) is fixedly connected on connecting rod (8), fixedly install servo motor (10) on connecting frame (4), the rotation end of servo motor (10) is fixedly connected with first bevel gear (11), second bevel gear is rotationally connected on connecting frame (4), first bevel gear (11) and second bevel gear are mutually engaged, between second bevel gear and reciprocating lead screw (7) fixed connection.

2. The aeration device for activated sludge sewage treatment process according to claim 1, characterized in that: The stirring subassembly includes two stirring rods rotationally connected on the connecting frame (4), and a plurality of stirring rods (12) are fixedly connected to the side walls of the two stirring rods, two first belt pulleys (13) are rotationally connected to the connecting frame (4), the first belt pulleys (13) are driven by a first transmission belt (14), a second belt pulley is fixedly connected to the connecting frame (4), a third belt pulley is fixedly connected to the output end of the servo motor (10), the second belt pulley and the third belt pulley are driven by a second transmission belt (15), and fourth belt pulleys are fixedly connected to the second belt pulley and one of the first belt pulleys (13), and the fourth belt pulleys are driven by a third transmission belt.

3. The aeration device for activated sludge sewage treatment process according to claim 1, characterized in that: A fixed flange is fixedly connected to the gas pipe (6).

4. The aeration device for activated sludge sewage treatment process according to claim 1, characterized in that: The connecting frame (4) is provided with an anti-rust coating.

5. The aeration device for activated sludge sewage treatment process according to claim 1, characterized in that: The aeration pipe body (5) is a silica rubber aeration pipe, and the aeration pipe body (5) is provided with a corrosion-resistant coating.

6. The aeration device for activated sludge sewage treatment process according to claim 1, characterized in that: A protective plate (16) is fixedly connected to the connecting frame (4), and the servo motor (10) is located below the protective plate (16).

Images