CN114275908A

CN114275908A - Self-suction submersible aerator

Info

Publication number: CN114275908A
Application number: CN202011042917.XA
Authority: CN
Inventors: 王得安; 白羽; 马超; 李宁
Original assignee: Xylem Europe GmbH
Current assignee: Xylem Europe GmbH
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2022-04-05

Abstract

The invention discloses a self-priming submersible aerator, which comprises: the aerator body, the ware includes aeration plate, dive motor, intake pipe, and the dive motor setting is provided with on the aeration plate from inhaling the chamber on the aeration plate, and the impeller of dive motor is located from inhaling the intracavity, is provided with a plurality of stator on the impeller, is provided with a plurality ofly on the aeration plate and from inhaling the efflux pipe of chamber intercommunication, and the upper end of intake pipe is connected with the upper end of dive motor, and the lower extreme with from inhaling the chamber intercommunication. This self-priming submersible aerator, including the aerator body, the dive motor produces powerful centrifugal force and drives the impeller, under the effect of centrifugal force, form a negative pressure zone around the impeller in self-priming the chamber, utilize the kinetic energy of impeller in from inhaling the chamber with the gas mixture water of certain proportion, then through the efflux pipe to diffusion all around, and make tiny bubble fully mix with water, thereby reach the effect of aeration, prevent that the suspended solid from sinking, strengthen organic matter and microorganism in the pond, the contact of dissolved oxygen, the organic matter in the oxidative decomposition sewage.

Description

Self-suction submersible aerator

Technical Field

The invention relates to the technical field of aeration devices, in particular to a self-suction submersible aerator.

Background

With the development of society, environmental pollution is more and more serious. Aeration is one of the important processes for sewage treatment. The aeration device is key equipment for water biological pretreatment and biological sewage treatment, and has the functions of conveying oxygen in the air into liquid in an aeration water tank to supply oxygen required by aerobic microorganisms, so that the aim of biological treatment is fulfilled, activated sludge is fully mixed with sewage, the growth of the aerobic microorganisms is promoted, organic pollutants in water are degraded, and the sewage is treated.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a self-priming submersible aerator comprising:

the aerator body, the ware includes aeration plate, dive motor, intake pipe, dive motor sets up on the aeration plate, be provided with on the aeration plate from inhaling the chamber, dive motor's impeller is located from inhaling the intracavity, be provided with a plurality of stator on the impeller, be provided with on the aeration plate a plurality of with from inhaling the efflux pipe of chamber intercommunication, the upper end of intake pipe with dive motor's upper end is connected, the lower extreme with from inhaling the chamber intercommunication.

Preferably, wherein a motor bracket is arranged at the bottom of the submersible motor and connected to the upper end of the self-suction cavity.

Preferably, wherein the bottom of the aeration plate is provided with a plurality of legs.

Preferably, wherein, the intake pipe includes slant trachea and L type trachea, the tracheal lower extreme of L type with from inhaling the chamber intercommunication, the tracheal lower extreme of slant with the tracheal upper end of L type is connected, the tracheal upper end of slant pass through the handle with submersible motor's upper end is connected.

Preferably, the handle is vertically arranged at the upper end of the submersible motor, and the upper end of the handle is connected with the upper end of the inclined air pipe.

Preferably, the self-suction cavity is circular, and the jet pipe is positioned on a tangent line of the self-suction cavity.

The invention also provides an aeration method of the self-priming submersible aerator, which comprises the following steps:

the method comprises the following steps: the plurality of support legs are arranged at the bottom of the aeration plate, and the whole self-suction type submersible aerator is arranged in a water tank to be aerated, wherein the upper end of the air inlet pipe is positioned above the water surface of the water tank;

step two: starting the submersible motor;

step three: the submersible motor drives the impeller to rotate, the impeller drives the guide vanes to rotate, and a negative pressure area is formed in the self-suction cavity;

step four: through the action of negative pressure, the air sucked by the air inlet pipe is mixed with the water flow in the negative pressure area;

step five: the water flow mixed with the air enters the jet pipe on the aeration plate and is sprayed out through the jet pipe, and effective convection circulation with wider action range is formed in the water tank.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the invention provides a self-priming submersible aerator, which mainly comprises an aerator body, wherein a submersible motor generates strong centrifugal force to drive an impeller, a negative pressure area is formed around the impeller in a self-priming cavity under the action of the centrifugal force to generate self-priming capability, a large amount of fresh air is continuously sucked from the atmosphere through an air inlet pipe, the impeller and mixed water are simultaneously sucked into the self-priming cavity, so that oxygen in the air enters the self-priming cavity, meanwhile, enough water also enters the self-priming cavity to dissolve the oxygen, gas water is mixed in the self-priming cavity according to a certain proportion by utilizing the kinetic energy of the impeller, under the action of the centrifugal force, gas-water two-phase flow flows along the tangential direction of the impeller through guide vanes for rectification, then, the gas-water two-phase flow is diffused to the periphery through jet pipes, and fine bubbles are fully mixed with the water, so that the aeration effect is achieved, suspended matters are prevented from sinking, and enough dissolved oxygen is provided for microorganisms in a water pool, contact of organic matters in the water tank with microorganisms and dissolved oxygen is strengthened, and the organic matters in the sewage are oxidized and decomposed.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a self-priming submersible aerator according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1, the present invention provides a self-priming submersible aerator, comprising:

aerator body 100, the ware includes aeration plate 1, dive motor 2, intake pipe 3, dive motor 2 sets up aeration plate 1 is last, aeration plate 1 is last to be provided with from inhaling chamber 4, dive motor 2's impeller 5 is located from inhaling in the chamber 4, be provided with a plurality of stator 6 on the impeller 5, aeration plate 1 is last be provided with a plurality of with from inhaling the efflux pipe 7 of chamber 4 intercommunication, intake pipe 3's upper end with dive motor 2's upper end is connected, the lower extreme with from inhaling chamber 4 intercommunication.

In one embodiment, the bottom of the submersible motor 2 is provided with a motor bracket 8, and the motor bracket 8 is connected to the upper end of the self-suction cavity 4.

In one embodiment, the bottom of the aeration panel 1 is provided with a plurality of legs 9.

In one embodiment, the air inlet pipe 3 comprises an inclined air pipe 31 and an L-shaped air pipe 32, the lower end of the L-shaped air pipe 32 is communicated with the self-suction cavity 4, the lower end of the inclined air pipe 31 is connected with the upper end of the L-shaped air pipe 32, and the upper end of the inclined air pipe 31 is connected with the upper end of the submersible motor 2 through a handle 10.

In one embodiment, the handle 10 is vertically disposed at the upper end of the submersible motor 2, and the upper end of the handle 10 is connected to the upper end of the slant air pipe 31.

In one embodiment, the self-suction cavity 4 is circular, and the jet pipe 7 is positioned on a tangent line of the self-suction cavity 4.

In order to facilitate operators to use the self-priming submersible aerator provided by the invention, a method for using the self-priming submersible aerator is provided, and the method comprises the following steps:

an aeration method of a self-priming submersible aerator is characterized by comprising the following steps:

the method comprises the following steps: the plurality of supporting legs 9 are arranged at the bottom of the aeration plate 1, and the whole self-suction submersible aerator is arranged in a water tank to be aerated, wherein the upper end of the air inlet pipe 3 is positioned above the water surface of the water tank;

step two: starting the submersible motor 2;

step three: the submersible motor 2 drives the impeller 5 to rotate, the impeller 5 drives the guide vanes 6 to rotate, and a negative pressure area is formed in the self-suction cavity 4;

step four: through the action of negative pressure, the air is sucked into the air inlet pipe 3 and is mixed with the water flow in the negative pressure area;

step five: the water flow mixed with the air enters the jet pipe 7 on the aeration plate 1 and is sprayed out through the jet pipe 7, and effective convection circulation with a wider action range is formed in the water tank.

The invention at least comprises the following beneficial effects;

the invention provides a self-priming submersible aerator, which mainly comprises an aerator body 100, wherein a submersible motor 2 generates strong centrifugal force to drive an impeller, a negative pressure area is formed around the impeller in a self-priming cavity 4 under the action of the centrifugal force to generate self-priming capability, a large amount of fresh air is continuously sucked from the atmosphere through an air inlet pipe 3, the impeller 5 and mixed water are simultaneously sucked into the self-priming cavity 4, so that oxygen in the air enters the self-priming cavity 4, meanwhile, enough water enters the self-priming cavity 4 to dissolve the oxygen, the kinetic energy of the impeller 5 is utilized to mix gas water in a certain proportion in the self-priming cavity 4, under the action of the centrifugal force, gas-water two-phase flow flows along the tangential direction of the impeller through a guide vane 6 for rectification, then the gas-water two-phase flow diffuses to the periphery through a jet pipe 7, fine bubbles are fully mixed with the water, and accordingly, the aeration effect is achieved, and suspended matters are prevented from sinking, sufficient dissolved oxygen is provided for the microorganisms in the water tank, the contact of organic matters in the water tank with the microorganisms and the dissolved oxygen is enhanced, and the organic matters in the sewage are oxidized and decomposed.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A self-priming submersible aerator, comprising:

aerator body (100), the ware includes aeration board (1), dive motor (2), intake pipe (3), dive motor (2) set up on aeration board (1), be provided with on aeration board (1) from inhaling chamber (4), impeller (5) of dive motor (2) are located inhale in chamber (4), be provided with a plurality of stator (6) on impeller (5), be provided with on aeration board (1) a plurality of with from inhaling jet pipe (7) of chamber (4) intercommunication, the upper end of intake pipe with the upper end of dive motor (2) is connected, the lower extreme with inhale chamber (4) intercommunication certainly.

2. The self-priming submersible aerator according to claim 1, characterized in that the bottom of the submersible motor (2) is provided with a motor bracket (8), and the motor bracket (8) is connected to the upper end of the self-priming chamber (4).

3. The self-priming submersible aerator according to claim 1, characterized in that the bottom of the aeration plate (1) is provided with a plurality of legs (9).

4. The self-priming submersible aerator according to claim 3, characterized in that the air inlet pipe (3) comprises an inclined air pipe (31) and an L-shaped air pipe (32), the lower end of the L-shaped air pipe (32) is communicated with the self-priming chamber (4), the lower end of the inclined air pipe (31) is connected with the upper end of the L-shaped air pipe (32), and the upper end of the inclined air pipe (31) is connected with the upper end of the submersible motor (2) through a handle (10).

5. The self-priming submersible aerator according to claim 4, characterized in that the handle (10) is vertically arranged at the upper end of the submersible motor (2), the upper end of the handle (10) being connected with the upper end of the slanted air pipe (31).

6. The self-priming submersible aerator according to claim 1, characterized in that the self-priming chamber (4) is circular and the jet pipe (7) is located on the tangent of the self-priming chamber (4).

7. An aeration method of a self-priming submersible aerator is characterized by comprising the following steps:

the method comprises the following steps: the plurality of support legs (9) are arranged at the bottom of the aeration plate (1), and the whole self-suction submersible aerator is arranged in a water tank to be aerated, wherein the upper end of the air inlet pipe (3) is positioned above the water surface of the water tank;

step two: starting the submersible motor (2);

step three: the submersible motor (2) drives the impeller (5) to rotate, the impeller (5) drives the guide vanes (6) to rotate, and a negative pressure area is formed inside the self-suction cavity (4);

step four: through the action of negative pressure, the air sucked by the air inlet pipe (3) is mixed with water flow in the negative pressure area;

step five: the water flow mixed with the air enters the jet pipe (7) on the aeration plate (1) and is sprayed out through the jet pipe (7), and effective convection circulation with a wider action range is formed in the water tank.