A self-priming rotary aeration flow generator

Abstract

A self-priming rotary aeration flow-propelling device comprises a motor, a reducer connected to the motor in a transmission manner, a power output shaft of the reducer connected to a flow-propelling blade in a transmission manner, an air inlet chamber fixedly and sealedly connected to the other side of the reducer relative to the flow-propelling blade, one end of the power output shaft is sealed and fixedly connected to the aeration device, and the other end of the power output shaft extends to the air inlet chamber on the other side of the reducer, the power output shaft is hollowed out as a hollow shaft, the hollow cavity of the power output shaft is respectively connected to the internal cavity of the aeration device and the internal cavity of the air inlet chamber, and a self-priming impeller is fixedly connected to the end of the power output shaft located in the air inlet chamber, and in addition, the air inlet chamber is also provided with an air inlet, and the air inlet is sealed and fixedly connected to an air inlet pipe, and one end of the air inlet pipe extends upward to above the liquid surface of the water body. The utility model can achieve both the flow-propelling and stirring effects and the aeration effects, and at the same time, the aeration device cooperates with the flow-propelling blades to make the bubble contact area larger and the aeration efficiency better.

Description

Technical Field

[0001] The utility model belongs to the field of sewage treatment, and in particular relates to a self-priming rotary aeration flow pusher. Background Art

[0002] In the treatment of industrial and urban domestic sewage, a flow pusher can play a role in mixing, improving mass transfer, preventing precipitation and optimizing reactions. For example, in the prior art, a patent document with publication number CN219839584U discloses a universal shaft built-in flow pusher, which drives the flow pusher blades to rotate by a motor-driven reducer installed underwater, thereby achieving the mixing and stirring of the water body. However, in actual use, in order to better treat sewage, the flow pusher also needs to be used in conjunction with an aerator, thereby increasing the oxygen content of the water body and improving the reaction efficiency. The use of a flow pusher and an aerator together requires the addition of new blowers, pipelines, aeration devices, etc. On the one hand, it also makes the use of equipment more cumbersome and complicated during the sewage treatment process. Therefore, there is an urgent need for a flow pusher that can achieve both aeration and mixing and stirring effects to reduce equipment installation and improve sewage treatment effects. Utility Model Content

[0003] The utility model aims to provide a self-priming rotary aeration flow propeller to solve the technical problem of how to realize both aeration and stirring and mixing functions, reduce the installation of equipment, and improve the sewage treatment effect.

[0004] To achieve the above purpose, the specific technical solution of a self-priming rotary aeration flowmaker of the utility model is as follows:

[0005] A self-priming rotary aeration flow impeller comprises a motor, wherein the motor output shaft is connected to a transmission shaft, the other end of the transmission shaft is transmission-connected to a reducer, the power output shaft of the reducer is transmission-connected to a flow-pushing blade, the other side of the reducer relative to the flow-pushing blade is fixedly and sealedly connected to an air intake chamber, one end of the power output shaft is sealed and fixedly connected to an aeration device, the other end of the power output shaft extends to the air intake chamber on the other side of the reducer, the power output shaft is hollowly arranged as a hollow shaft, the hollow cavity of the power output shaft is respectively connected to the internal cavity of the aeration device and the internal cavity of the air intake chamber, and a self-priming impeller is fixedly connected to the end of the power output shaft located in the air intake chamber, in addition, the air intake chamber is also provided with an air inlet, the air inlet is sealed and fixedly connected to an air intake pipe, one end of the air intake pipe extends upward to above the liquid surface of the water body.

[0006] The utility model provides a self-priming rotary aeration flow pusher with the following advantages: through the hollow setting of the power output shaft, an aeration device and a self-priming impeller are respectively arranged at both ends of the power output shaft, so as to achieve the effect of aeration, and at the same time, with the plug flow impeller, the self-priming rotary aeration flow pusher of the application can achieve both the plug flow and stirring effects and the aeration effects, and there is no need to install additional devices such as a blower for aeration, and at the same time, the aeration device cooperates with the plug flow blades to achieve better aeration efficiency and a larger contact area. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a structural schematic diagram of the self-priming rotary aeration flow-maker of the utility model;

[0008] Figure 2 For the utility model Figure 1 A in the enlarged view;

[0009] Explanation of the markings in the figure: 1. Motor; 2. Drive shaft; 3. Reducer; 4. Power output shaft; 5. Plug flow blade; 6. Aeration device; 7. Air inlet chamber; 8. Self-priming impeller; 9. Air inlet; 10. Air inlet pipe. DETAILED DESCRIPTION

[0010] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a self-priming rotary aeration flowmaker of the utility model in conjunction with the accompanying drawings.

[0011] like Figure 1 As shown, the self-priming rotary aeration flow-propelling device of the utility model comprises a motor 1, the output shaft of the motor 1 is connected to a transmission shaft 2, the other end of the transmission shaft 2 is transmission-connected to a reducer 3, the power output shaft 4 of the reducer 3 is transmission-connected to a flow-propelling blade 5, the rotating shaft of the flow-propelling blade 5 is arranged on the outside of the power output shaft 4, the rotating shaft of the flow-propelling blade 5 is fixedly connected to the power output shaft 4, specifically in this embodiment, the rotating shaft of the flow-propelling blade 5 and the power output shaft 4 are connected by a key connection, of course, it can also be an inspired fixed connection method, and no excessive restrictions are made here, one end of the power output shaft 4 passes through the rotating shaft of the flow-propelling blade 5 and is fixedly sealed and connected to the aeration device 6, the power output The output shaft 4 is hollow and configured as a hollow shaft. The hollow cavity of the power output shaft 4 is connected to the internal cavity of the aeration device 6. An air intake chamber 7 is provided on the other side of the reducer 3 relative to the plug flow blade 5. The air intake chamber 7 is sealed and fixedly connected to the reducer 3. The other end of the power output shaft 4 extends into the air intake chamber 7. The hollow cavity of the power output shaft 4 is connected to the internal cavity of the air intake chamber 7, and a self-priming impeller 8 is fixedly connected to one end of the power output shaft 4. In addition, the air intake chamber 7 is also provided with an air inlet 9, and the air inlet 9 is sealed and fixedly connected to an air intake pipe 10. One end of the air intake pipe 10 extends upward to above the liquid surface of the water body, so that outside air can enter the air intake chamber 7 through the air intake pipe 10.

[0012] When in use, the motor 1 drives the reducer to rotate through the transmission shaft 2, and the reducer drives the flow-pushing blades 5 to rotate synchronously through the power output shaft 4 to achieve the effects of flow pushing, stirring and mixing. At the same time, the power output shaft 4 drives the self-priming impeller 8. Under the action of the self-priming impeller, air enters the air intake chamber 7 from the outside along the air intake pipe 10, and the gas in the air intake chamber 7 flows to the aeration device 6 at the other end through the pipe in the middle of the power output shaft 4. The gas enters the water through the aeration device 6 to achieve the aeration effect. In addition, during the operation of the aeration flow pusher, the flow-pushing blades 5 can push the bubbles generated by the aeration device 6 to a distance, and the water flow generated by the flow-pushing blades 5 can also split the bubbles into smaller bubbles, so that the contact area between the bubbles and the sewage is larger and the contact time is longer, so as to better achieve the improvement of the oxygen content in the water body and improve the aeration efficiency.

[0013] Specifically, the aeration device 6 in the present embodiment is an aeration diaphragm, which is wrapped around the end of the power output shaft 4 on one side of the plug flow blade 5. The interior of the aeration diaphragm is connected to the hollow cavity of the power output shaft 4. Aeration holes are evenly arranged on the aeration diaphragm, and air can enter the water body through the aeration holes. In addition, the reducer 3 in the present embodiment is a cross reducer, and the pipe body and the sleeve of the air intake pipe 10 are connected by a pipe clamp, which can prevent the air intake pipe 10 from shaking in the water body and fix the air intake pipe 10.

[0014] In this embodiment, the motor 1 is located on a bracket above the liquid surface, and a sleeve is provided on the outside of the transmission shaft 2, which can protect the rotating shaft. A fixing rope is fixed on the outside of the sleeve, and the other end of the fixing rope is fixed to the side wall of the sewage pool or the ground, which can fix the aeration flow promoter. Of course, the position of the motor 1 can also be adjusted according to actual conditions, and can also be set below the liquid surface. Since it is not the innovation point of the present application, no excessive restrictions are made here.

[0015] The self-priming rotary aeration flow-propelling device of the present application is arranged through the hollow of the power output shaft 4, and drives the flow-propelling blade 5 and the self-priming impeller 8 to rotate synchronously at the same time, and an aeration device 6 is arranged at one end of the power output shaft 4, the rotation of the self-priming impeller 8 can provide the power of gas input, and the rotation of the flow-propelling blade 5 realizes the effect of stirring and mixing, and the aeration device 6 is arranged on the front side of the flow-propelling blade 5, and the flow-propelling blade 5 can push the bubbles generated by the aeration device 6 to a distance during operation, and the water flow generated by the flow-propelling blade 5 can also split the bubbles into smaller bubbles, so that the contact area between the bubbles and the sewage is larger, the contact time is longer, and the oxygen content in the water body is better improved, and the aeration efficiency is improved. In addition, the self-priming rotary flow-propelling device can realize the flow-propelling, stirring and aeration effects, and there is no need to additionally set up a blower and other devices for aeration, and the aeration is combined with the flow-propelling to make the aeration efficiency better and the contact area larger.

[0016] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A self-priming rotary aerator, characterized in that: The invention comprises a motor (1), wherein the output shaft of the motor (1) is connected to a transmission shaft (2), the other end of the transmission shaft (2) is transmission-connected to a reducer (3), the power output shaft (4) of the reducer (3) is transmission-connected to a flow-pushing blade (5), the other side of the reducer (3) relative to the flow-pushing blade (5) is fixedly and sealedly connected to an air intake chamber (7), one end of the power output shaft (4) is sealed and fixedly connected to an aeration device (6), and the other end of the power output shaft (4) extends to the air intake chamber (7) on the other side of the reducer (3). 7), the power output shaft (4) is hollow and configured as a hollow shaft, the hollow cavity of the power output shaft (4) is respectively connected to the internal cavity of the aeration device (6) and the internal cavity of the air intake chamber (7), and a self-priming impeller (8) is fixedly connected to the end of the power output shaft (4) located in the air intake chamber (7), and the air intake chamber (7) is also provided with an air inlet (9), and the air inlet (9) is sealed and fixedly connected to an air intake pipe (10), and one end of the air intake pipe (10) extends upward to above the liquid surface of the water body.

2. A self-priming rotary aerator according to claim 1, characterized in that: The outer side of the transmission shaft (2) is sleeved with a sleeve, and the air intake pipe (10) is connected to the sleeve via a pipe clamp.

3. A self-priming rotary aerator according to claim 2, characterized in that: The aeration device (6) is an aeration membrane, which is wrapped around the end of the power output shaft (4), and aeration holes are evenly distributed on the aeration membrane.

4. A self-priming rotary aerator according to claim 3, characterized in that: The push flow blade (5) is arranged on the outside of the power output shaft (4), and the rotating shaft of the push flow blade (5) is connected to the power output shaft (4) by means of a key connection.

5. A self-priming rotary aerator according to claim 4, characterized in that: A fixing rope is fixedly arranged on the outside of the sleeve, and the other end of the fixing rope is fixed to the side wall of the sewage pool or the ground.

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