Double-nozzle rotational flow aeration device with stirring structure

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a double-nozzle rotational flow aeration device with a stirring structure, which comprises a cylinder body and a cylinder seat fixedly mounted at the bottom end of the cylinder body through a flange structure, the bottom end of the cylinder seat is connected with a mounting seat through a flange structure, and a mounting disc body is arranged on the inner side of the mounting seat. A stirring assembly is fixedly connected to the upper end face of the mounting disc body, a spray pipe is arranged on the outer side of the stirring assembly, and the stirring assembly comprises a mounting shaft fixedly connected to the upper end face of the mounting disc body; a supporting seat is integrally and fixedly connected to the lower end of the mounting disc body, a connecting disc is arranged on the inner side of the supporting seat, and an air inlet pipeline is integrally and fixedly connected to the lower end of the connecting disc; a motor is arranged on the outer side of the air inlet pipeline. The double-nozzle rotational flow aeration device with the stirring structure is provided with a relatively good stirring structure, so that oxygen in bubbles can be in full contact with mixed liquid, and the rotational flow effect and the mixing effect of the oxygen and the mixed liquid are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a double -nozzle cyclone aeration device with stirring structure. BACKGROUND

[0002] Aerator is generally used in sewage treatment, and the main role in the aerobic tank of sewage station includes oxygenation: oxygen in air is transferred to mixed liquor to supply the need of respiration of microorganism in activated sludge, mixing and stirring: mixed liquor is in the state of violent mixing, and activated sludge, dissolved oxygen and organic matter are fully contacted, and sludge deposition is prevented, and common aerator includes micro -hole, jet, cyclone, diffusion, surface exposure etc., wherein, cyclone type is generally single nozzle type and double nozzle type.

[0003] However, most of the double-nozzle cyclone aeration device on the market still has some deficiencies when in use, such as: the existing double-nozzle cyclone aeration device mostly does not have a good stirring structure, it is difficult to make the oxygen in the gas bubbles fully contact with the mixed liquor, resulting in poor cyclone and mixing effect, and thus there is a certain use defect, therefore, we propose a double-nozzle cyclone aeration device with stirring structure to solve the problems raised in the above. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a double-nozzle cyclone aeration device with stirring structure to solve the problem that the existing double-nozzle cyclone aeration device mostly does not have a good stirring structure, it is difficult to make the oxygen in the gas bubbles fully contact with the mixed liquor, resulting in poor cyclone and mixing effect.

[0005] To achieve the above object, the utility model provides the following technical scheme: a double-nozzle cyclone aeration device with stirring structure, including the barrel body and the cylinder seat fixedly installed at the bottom end of the barrel body through the flange structure, the bottom end of the cylinder seat is connected with the mounting seat through the flange structure, the inner side of the mounting seat is provided with the mounting disc body, and the upper end surface of the mounting disc body is fixedly connected with the stirring assembly, the outer side of the stirring assembly is provided with the spray pipe, and the stirring assembly includes the mounting shaft fixedly connected with the upper end surface of the mounting disc body.

[0006] The lower end of the mounting disc body is integrally fixedly connected with the supporting seat, and the inner side of the supporting seat is provided with the connecting disc, and the lower end of the connecting disc is integrally fixedly connected with the air inlet pipeline.

[0007] The outer side of the air inlet pipeline is provided with the motor, and the upper end of the motor is fixedly connected with the connecting wheel.

[0008] As the preferred technical scheme of the utility model, the X direction section of the mounting seat is arranged in an L shape and supports the mounting disc body, and the mounting disc body is rotatably connected to the mounting seat through a bearing structure.

[0009] As the preferred technical scheme of the utility model, the inside of the mounting disc body is symmetrically provided with an air outlet, the spray pipe is fixedly arranged on the upper end surface of the mounting disc body in a spiral ascending manner, and the spray pipe is in communication with the support seat through the air outlet.

[0010] As the preferred technical scheme of the utility model, the stirring assembly further comprises a stirring frame arranged outside the mounting shaft, and a connecting rod fixedly connected between the stirring frame and the mounting shaft and serving as a support.

[0011] As the preferred technical scheme of the utility model, the stirring frame is arranged in a circular ring shape, and the stirring frame and the connecting rod are uniformly distributed on the outside of the mounting shaft in the axial direction.

[0012] As the preferred technical scheme of the utility model, the lower end surface of the support seat is inwardly convex towards the axis and serves as a support for the connecting disc, and the connecting disc and the air inlet pipeline are rotatably connected to the support seat through bearing structures.

[0013] As the preferred technical scheme of the utility model, the outer surface of the support seat is fixedly provided with a tooth structure at equal angles in the circumferential direction, and the support seat is meshingly connected to the engaging wheel through the tooth structure.

[0014] As the preferred technical scheme of the utility model, the motor is fixedly connected to the air inlet pipeline through a support serving as a support.

[0015] Compared with the prior art, the double-nozzle rotational flow aeration device with a stirring structure has the advantages that the double-nozzle rotational flow aeration device of the prior art mostly does not have a good stirring structure, and it is difficult to make the oxygen in the bubbles fully contact with the mixed liquid, resulting in poor rotational flow and mixing effects.

[0016] 1. The support seat and the mounting disc body are rotatably arranged on the inside of the mounting seat, the outer surface of the support seat is fixedly provided with a tooth structure at equal angles in the circumferential direction, the support seat is meshingly connected to the engaging wheel through the tooth structure, the engaging wheel is driven to rotate by the motor, the engaging wheel drives the support seat and the mounting disc body to rotate on the inside of the mounting seat, the stirring frame is arranged in a circular ring shape, the stirring frame and the connecting rod are uniformly distributed on the outside of the mounting shaft in the axial direction, the mounting disc body drives the stirring assembly to rotate, the stirring assembly stirs the mixed liquid on the inside of the cylinder body, and the oxygen in the bubbles fully contacts with the mixed liquid.

[0017] 2, the gas is introduced to the inner side of the support base through the air inlet pipe, the support base is communicated with the nozzle through the air outlet hole, the gas is introduced to the inner side of the support base through the air inlet pipe, the airflow in the support base can flow out to the inside of the cylinder base through the air outlet hole and the nozzle, the mounting disc body drives the nozzle to rotate at the inner side of the cylinder base, the airflow flows out through the nozzle and rises spirally due to the inertial effect, and the swirling and mixing effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of the utility model in cut state;

[0019] Figure 2 It is the overall structure schematic diagram of the utility model;

[0020] Figure 3 It is the overall structure schematic diagram of the utility model mounting disc body and nozzle connection;

[0021] Figure 4 It is the overall structure schematic diagram of the utility model connecting wheel and support base connection;

[0022] Figure 5 It is the overall structure schematic diagram of the utility model mounting seat and mounting disc body connection in cut state.

[0023] In the drawing: 1, cylinder body, 2, cylinder base, 3, mounting seat, 4, mounting disc body, 5, air outlet hole, 600, stirring assembly, 601, mounting shaft, 602, stirring frame, 603, connecting rod, 7, nozzle, 8, support base, 9, connecting disc, 10, air inlet pipe, 11, motor, 12, connecting wheel, 13, fixed frame. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-5This utility model provides a technical solution: a dual-nozzle swirl aeration device with a stirring structure, including a cylinder body 1 and a cylinder seat 2 fixedly installed at the bottom end of the cylinder body 1 via a flange structure. The bottom end of the cylinder seat 2 is connected to a mounting base 3 via a flange structure. A motor 11 is installed on the outside of an air inlet pipe 10, and a connecting wheel 12 is fixedly connected to the upper end of the motor 11. A fixing frame 13, which provides support, is fixedly connected between the motor 11 and the air inlet pipe 10. A mounting plate 4 is installed on the inner side of the mounting base 3, and the mounting plate 4 is rotatably connected to the mounting base 3 via a bearing structure. Figure 1 and Figure 5 As shown, the X-direction cross-section of the mounting base 3 is arranged in an "L" shape and provides support for the mounting plate 4;

[0026] Specific examples Figure 1 and Figure 3 As shown, a stirring assembly 600 is fixedly connected to the upper end face of the mounting plate 4. The stirring assembly 600 includes a mounting shaft 601 fixedly connected to the upper end face of the mounting plate 4. The stirring assembly 600 also includes a stirring frame 602 disposed outside the mounting shaft 601. A connecting rod 603, which serves as a support, is fixedly connected between the stirring frame 602 and the mounting shaft 601. Figure 2 and Figure 4 As shown, the outer surface of the support base 8 is fixed with a toothed structure at equal angles along the circumference, and the support base 8 is meshed with the connecting wheel 12 through the toothed structure. By driving the connecting wheel 12 to rotate through the motor 11, the connecting wheel 12 can drive the support base 8 and the mounting plate 4 to rotate inside the mounting base 3. Since the stirring frame 602 is arranged in a ring shape, and the stirring frame 602 and the connecting rod 603 are evenly distributed along the axial direction on the outside of the mounting shaft 601, the stirring assembly 600 can be rotated by the mounting plate 4, so that the stirring assembly 600 can stir the mixture inside the cylinder 1.

[0027] Specific examples Figure 1 and Figure 5 As shown, a support base 8 is integrally and fixedly connected to the lower end of the mounting plate 4, and a connecting plate 9 is provided on the inner side of the support base 8. An air inlet pipe 10 is integrally and fixedly connected to the lower end of the connecting plate 9. Both the connecting plate 9 and the air inlet pipe 10 are rotatably connected to the support base 8 through a bearing structure. The lower end of the support base 8 is convex in the axial direction and supports the connecting plate 9. Air outlet holes 5 are symmetrically opened inside the mounting plate 4. A nozzle 7 is provided on the outer side of the stirring assembly 600. The nozzle 7 is fixedly installed on the upper end face of the mounting plate 4 in a spiral upward shape. The nozzle 7 is connected to the support base 8 through the air outlet holes 5. A gas pumping device is connected to the air inlet pipe 10. Gas is introduced into the inner side of the support base 8 through the air inlet pipe 10. The airflow in the support base 8 can flow out into the cylinder seat 2 through the air outlet holes 5 and the nozzle 7.

[0028] The working principle of the utility model is: when using the double-nozzle rotational flow aeration device with the stirring structure, firstly, gas is introduced into the inner side of the supporting seat 8 through the air inlet pipeline 10, the airflow in the supporting seat 8 can flow out to the inside of the cylinder seat 2 through the air outlet hole 5 and the spray pipe 7, since the spray pipe 7 is fixedly arranged in the upper end face of the mounting disc body 4 in the shape of spiral upward rising, the airflow flowing out through the spray pipe 7 rises in the shape of spiral due to the inertial effect;

[0029] Specifically as shown in Figure 1 and Figure 3 , the supporting seat 8 and the mounting disc body 4 are rotatably arranged in the inner side of the mounting seat 3, the connecting wheel 12 is driven to rotate by the motor 11, so that the connecting wheel 12 drives the supporting seat 8 and the mounting disc body 4 to rotate in the inner side of the mounting seat 3, since the stirring frame 602 and the connecting rod 603 are uniformly distributed along the axial direction outside the mounting shaft 601, the stirring assembly 600 is driven to rotate by the mounting disc body 4, so that the stirring assembly 600 stirs the mixed liquid and the air bubbles in the inner side of the cylinder body 1, the spiral airflow flowing out through the spray pipe 7 fully contacts the mixed liquid in the inside of the cylinder body 1, the oxygen dissolution amount in the mixed liquid is effectively increased, and the oxygen utilization rate is improved.

[0030] Finally, it should be pointed out that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A double-nozzle rotational flow aeration device with a stirring structure, comprising a barrel (1) and a barrel base (2) fixedly installed at the bottom end of the barrel (1) through a flange structure, characterized in that: The bottom end of the barrel seat (2) is connected with a mounting seat (3) through a flange structure, the inner side of the mounting seat (3) is provided with a mounting disc body (4), and the upper end surface of the mounting disc body (4) is fixedly connected with a stirring assembly (600), the outer side of the stirring assembly (600) is provided with a spray pipe (7), and the stirring assembly (600) comprises a mounting shaft (601) fixedly connected to the upper end surface of the mounting disc body (4); The lower end of the mounting disc body (4) is integrally fixedly connected with a support seat (8), and the inner side of the support seat (8) is provided with a connecting disc (9), and the lower end of the connecting disc (9) is integrally fixedly connected with an air inlet pipeline (10); The outer side of the air inlet pipeline (10) is provided with a motor (11), and the upper end of the motor (11) is fixedly connected with an engaging wheel (12).

2. The dual-nozzle rotational flow aeration device with stirring structure according to claim 1, characterized in that: The X-section of the mounting seat (3) is arranged in an "L" shape and supports the mounting disc body (4), and the mounting disc body (4) is rotatably connected to the mounting seat (3) through a bearing structure.

3. A dual-nozzle cyclone aerator with a stirring structure according to claim 2, characterized in that: The inside of the mounting disc body (4) is symmetrically provided with an air outlet hole (5), the spray pipe (7) is fixedly arranged on the upper end surface of the mounting disc body (4) in a spiral ascending manner, and the spray pipe (7) is in communication with the support seat (8) through the air outlet hole (5).

4. The dual-nozzle cyclone aerator with stirring structure according to claim 1, characterized in that: The stirring assembly (600) further comprises a stirring frame (602) arranged on the outer side of the mounting shaft (601), and the stirring frame (602) and the mounting shaft (601) are fixedly connected with a connecting rod (603) for supporting.

5. A dual nozzle cyclone aerator with a stirring structure according to claim 4, characterized in that: The stirring frame (602) is arranged in a circular ring shape, and the stirring frame (602) and the connecting rod (603) are uniformly distributed on the outer side of the mounting shaft (601) in the axial direction.

6. The dual-jet cyclone aerator with stirring structure according to claim 3, characterized in that: The lower end surface of the support seat (8) is inwardly convex towards the axis direction and supports the connecting disc (9), and the connecting disc (9) and the air inlet pipeline (10) are rotatably connected to the support seat (8) through a bearing structure.

7. A dual-nozzle cyclone aerator with a stirring structure according to claim 6, characterized in that: The outer surface of the support seat (8) is fixedly provided with a convex tooth structure at equal angles in the circumferential direction, and the support seat (8) is meshingly connected with the engaging wheel (12) through the convex tooth structure.

8. The dual-nozzle cyclone aerator with stirring structure according to claim 1, characterized in that: The motor (11) and the air inlet pipeline (10) are fixedly connected with a fixing frame (13) for supporting.

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