Aeration device for wastewater treatment

Abstract

The utility model provides an aeration device for wastewater treatment, which relates to the technical field of wastewater treatment and comprises a bottom plate, an aeration tank is mounted on the upper surface of the bottom plate, a stirring mechanism is arranged in the aeration tank, an aeration machine is mounted on the lower surface of the bottom plate, an air outlet pipe of the aeration machine is arranged in the aeration tank, and an air outlet pipe of the aeration machine is arranged in the aeration tank. A mounting box is arranged on the inner wall of the bottom of the aeration tank, and supporting legs are mounted at four corners of the lower surface of the bottom plate. The first rotating rod is driven by the driving motor to rotate, and the second rotating rod can be driven to rotate under the meshing action between the driving transmission gear and the driven transmission gear, so that the stirring rod and the stirring blades are driven to rotate to stir wastewater in the aeration tank, and the wastewater is always in a changing state; the water body can be in full contact with oxygen, so that the aeration efficiency can be effectively improved, and the time required by reaction is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to an aeration device for wastewater treatment. Background Art

[0002] Aeration treatment is an indispensable process for sewage treatment. It is to meet the oxygen required by aerobic microorganisms and the mixing conditions for full contact between sewage and activated sludge. An aerator is a common aeration treatment equipment. For example, the patent with application number 202021247172.6 proposes an environmental protection water treatment aeration device, including an aeration device main body, an aerator is provided at the top of the aeration device main body, a through pipe is provided at the bottom of the aerator, two groups of connecting pipes are provided at the bottom of the through pipe, a second through pipe is provided at the bottom of the connecting pipe, and air grooves are provided at the top and bottom of the second through pipe, a fixing rod is provided at the top of the second through pipe, two groups of rotating rings are provided at the tops of the left and right sides of the fixing rod, and two groups of rotating blades are provided at the upper and lower ends of the rotating ring, a water outlet is provided on the left side of the bottom end of the aeration device main body, a water inlet is provided on the right side of the bottom end of the aeration device main body, and fixed blocks are provided on the left and right sides of the inner cavity of the aeration device main body and the outside of the connecting pipe, and a movable baffle is provided on the side of the fixing block that is not connected to the aeration device main body and the connecting pipe.

[0003] However, during the use of the existing aeration device, the sewage will always be in a static state, the contact between the sewage and oxygen is not sufficient, the aeration efficiency is low, and it takes a long time. Therefore, we have made improvements to this and proposed an aeration device for wastewater treatment. Utility Model Content

[0004] The main purpose of the utility model is to provide an aeration device for wastewater treatment, which can effectively solve the problems that during the use of the aeration device, the sewage will always be in a static state, the contact between the sewage and oxygen is not sufficient, the aeration efficiency is low, and a long time is required.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An aeration device for wastewater treatment comprises a base plate, an aeration tank is installed on the upper surface of the base plate, a stirring mechanism is arranged inside the aeration tank, an aerator is installed on the lower surface of the base plate, an air outlet pipe of the aerator is arranged inside the aeration tank, an installation box is arranged on the bottom inner wall of the aeration tank, and support legs are installed at the four corners of the lower surface of the base plate.

[0007] Preferably, a conveying trough is provided inside the installation box, an air outlet pipe of the aerator is provided at the bottom of the conveying trough, and a plurality of air outlets are evenly distributed and penetrated through the upper surface of the installation box.

[0008] Preferably, the stirring mechanism comprises a mounting frame, the mounting frame is fixedly mounted on one end surface of the aeration tank, and a driving motor is mounted in the middle of the one end surface of the mounting frame.

[0009] Preferably, a first rotating rod is mounted on the output end of the driving motor, and second rotating rods are rotatably mounted on both sides of the inner wall of one end of the mounting frame.

[0010] Preferably, one end of the first rotating rod and the second rotating rod is arranged inside the aeration tank and is rotatably arranged on the inner wall of one end of the aeration tank.

[0011] Preferably, a driving transmission gear is fixedly mounted on the rod body of the first rotating rod located outside the aeration tank, and a driven transmission gear is fixedly mounted on the rod body of each second rotating rod located outside the aeration tank.

[0012] Preferably, each of the driven transmission gears is meshed with the driving transmission gear.

[0013] Preferably, a plurality of stirring rods are evenly distributed and installed on the rod body of the first rotating rod located inside the aeration tank, and a plurality of stirring blades are arranged on the rod body of each second rotating rod located inside the aeration tank.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The aerator air outlet pipe is arranged inside the conveying trough, and a plurality of air outlets are provided on the surface of the installation box connected with the conveying trough, which can transport oxygen to various positions inside the aeration tank, thereby increasing the contact area between oxygen and sewage. The first rotating rod is driven to rotate by a driving motor, and the second rotating rod is driven to rotate under the meshing action between the active transmission gear and the driven transmission gear, thereby driving the stirring rod and the stirring blades to rotate, stirring the wastewater inside the aeration tank, so that the wastewater is always in a changing state, which can make the contact between the water body and oxygen more sufficient, effectively improve the aeration efficiency, and reduce the time required for the reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3 For the utility model Figure 2 Schematic diagram of the three-dimensional structure of the cross section at AA in the middle;

[0019] Figure 4 For the utility model Figure 2Schematic diagram of the three-dimensional structure of the cross section at BB in the middle.

[0020] In the figure: 1. bottom plate; 2. aeration tank; 3. stirring mechanism; 301. mounting frame; 302. driving motor; 303. first rotating rod; 304. second rotating rod; 305. driving transmission gear; 306. driven transmission gear; 307. stirring rod; 308. stirring blade; 4. aerator; 5. mounting box; 501. conveying trough; 502. air outlet; 6. supporting leg. DETAILED DESCRIPTION

[0021] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1 , Figure 3 As shown, an aeration device for wastewater treatment includes a base plate 1, an aeration tank 2 is installed on the upper surface of the base plate 1, a stirring mechanism 3 is arranged inside the aeration tank 2, an aerator 4 is installed on the lower surface of the base plate 1, an air outlet pipe of the aerator 4 is arranged inside the aeration tank 2, an installation box 5 is arranged on the bottom inner wall of the aeration tank 2, and support legs 6 are installed at the four corners of the lower surface of the base plate 1.

[0023] like Figure 3 As shown, a conveying trough 501 is provided inside the installation box 5, and the air outlet pipe of the aerator 4 is provided at the bottom of the conveying trough 501. A plurality of air outlets 502 are evenly distributed and penetrated through the upper surface of the installation box 5. The oxygen generated by the air outlet pipe of the aerator 4 is conveyed through the conveying trough 501 and then discharged into the aeration tank 2 through the plurality of air outlets 502. The oxygen can be conveyed to various positions inside the aeration tank 2, which is more conducive to the aeration treatment of the wastewater.

[0024] like Figure 2 , Figure 3 , Figure 4As shown, the stirring mechanism 3 includes a mounting frame 301, which is fixedly mounted on one end surface of the aeration tank 2, a driving motor 302 is mounted in the middle of one end surface of the mounting frame 301, a first rotating rod 303 is mounted on the output end of the driving motor 302, and second rotating rods 304 are rotatably mounted on both sides of the inner wall of one end of the mounting frame 301. One end of the first rotating rod 303 and the second rotating rod 304 are arranged inside the aeration tank 2 and rotatably arranged on the inner wall of one end of the aeration tank 2. The first rotating rod 303 and the second rotating rod 304 are arranged inside the aeration tank 2 and rotatably arranged on the inner wall of one end of the aeration tank 2. A driving transmission gear 305 is fixedly mounted on the rod body located outside the aeration tank 2, a driven transmission gear 306 is fixedly mounted on the rod body of each second rotating rod 304 located outside the aeration tank 2, and each driven transmission gear 306 is meshed with the driving transmission gear 305, a plurality of stirring rods 307 are evenly distributed and mounted on the rod body of the first rotating rod 303 located inside the aeration tank 2, and a plurality of stirring blades 308 are arranged on the rod body of each second rotating rod 304 located inside the aeration tank 2.

[0025] Through the meshing transmission between the active transmission gear 305 and the driven transmission gear 306, under the drive of the driving motor 302, the first rotating rod 303 and the second rotating rod 304 can rotate in opposite directions, so that the stirring rod 307 and the stirring blade 308 can follow and rotate in opposite directions, so as to stir the water inside the aeration tank 2, so that the wastewater can fully contact with oxygen, and the aeration efficiency can be effectively improved.

[0026] The working principle of the aeration device for wastewater treatment:

[0027] When in use, wastewater is added to the interior of the aeration tank 2, oxygen is generated by the aerator 4 at the bottom, and then the oxygen is transported to the interior of the aeration tank 2 for aeration treatment. The air outlet pipe of the aerator 4 is arranged inside the conveying trough 501, and the surface of the mounting box 5 is connected to the conveying trough 501 and is provided with a plurality of air outlets 502, which can transport oxygen to various positions inside the aeration tank 2, thereby increasing the contact area between oxygen and sewage and improving the aeration efficiency. The first rotating rod 303 is driven to rotate by the driving motor 302, and the second rotating rod 304 can be driven to rotate under the meshing action between the active transmission gear 305 and the driven transmission gear 306. The rotation of the first rotating rod 303 and the second rotating rod 304 can drive the stirring rod 307 and the stirring blade 308 to rotate, thereby stirring the wastewater inside the aeration tank 2, so that the wastewater is always in a changing state, so that the contact between the water body and oxygen is more sufficient, the aeration efficiency can be effectively improved, and the time required for the reaction can be reduced.

[0028] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. An aeration device for wastewater treatment, comprising a bottom plate (1), characterized in that: An aeration tank (2) is installed on the upper surface of the base plate (1), a stirring mechanism (3) is arranged inside the aeration tank (2), an aerator (4) is installed on the lower surface of the base plate (1), an air outlet pipe of the aerator (4) is arranged inside the aeration tank (2), a mounting box (5) is arranged on the bottom inner wall of the aeration tank (2), supporting legs (6) are installed at the four corners of the lower surface of the base plate (1), the stirring mechanism (3) comprises a mounting frame (301), the mounting frame (301) is fixedly mounted on one end surface of the aeration tank (2), a driving motor (301) is installed in the middle of one end surface of the mounting frame (301), and a driving motor (301) is installed on the bottom inner wall of the aeration tank (2). 02), a first rotating rod (303) is mounted at the output end of the driving motor (302), and second rotating rods (304) are rotatably mounted on both sides of the inner wall of one end of the mounting frame (301), one end of the first rotating rod (303) and the second rotating rod (304) are arranged inside the aeration tank (2) and are rotatably mounted on the inner wall of one end of the aeration tank (2), a driving transmission gear (305) is fixedly mounted on the rod body of the first rotating rod (303) located outside the aeration tank (2), and a driven transmission gear (306) is fixedly mounted on the rod body of each second rotating rod (304) located outside the aeration tank (2).

2. The aeration device for wastewater treatment according to claim 1, characterized in that: A conveying trough (501) is arranged inside the installation box (5), an air outlet pipe of the aerator (4) is arranged at the bottom of the conveying trough (501), and a plurality of air outlets (502) are evenly distributed and penetrated through the upper surface of the installation box (5).

3. The aeration device for wastewater treatment according to claim 1, characterized in that: Each of the driven transmission gears (306) is meshed with the driving transmission gear (305).

4. The aeration device for wastewater treatment according to claim 3, characterized in that: A plurality of stirring rods (307) are evenly distributed and installed on the rod body of the first rotating rod (303) located inside the aeration tank (2), and a plurality of stirring blades (308) are arranged on the rod body of each second rotating rod (304) located inside the aeration tank (2).

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