CN216336829U

CN216336829U - Rotary aeration device

Info

Publication number: CN216336829U
Application number: CN202122754984.0U
Authority: CN
Inventors: 李江超; 鲁世昌; 姚蔼芸; 许骞
Original assignee: Suzhou Chunhe Environmental Technology Co ltd
Current assignee: Jiangsu Chunjin Environmental Technology Co ltd
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2022-04-19
Anticipated expiration: 2031-11-11

Abstract

The utility model discloses a rotary aeration device, which comprises an aeration cylinder and an aeration head, wherein the aeration head is rotationally connected with the aeration cylinder; the upper surface of the aeration head is provided with a plurality of aeration grooves which are uniformly distributed along the circumferential direction of the aeration head, the bottom surfaces of the aeration grooves are inclined planes, the inclined directions of the inclined planes incline downwards one by one along the circumferential direction of the aeration head, the bottom surfaces of the aeration grooves are provided with a plurality of air outlets, the air outlets are communicated with the aeration cylinder, and the air outlets are perpendicular to the inclined planes, when the air outlets of the aeration head of the utility model are used for discharging air, the aeration head is driven to rotate for 360 degrees, and meanwhile, the air bubbles sprayed out of the air outlets are diffused towards the outer circumference, thereby greatly improving the water-soluble oxygen content and ensuring the uniform aeration.

Description

Rotary aeration device

Technical Field

The utility model belongs to the technical field of aeration, and particularly relates to a rotary aeration device.

Background

The aeration means that air is artificially introduced into an aeration tank through proper equipment so as to achieve the purpose of aeration and oxygenation. The aeration not only makes the liquid in the pool contact with the air for oxygenation, thereby completing the purpose of oxygenation; in addition, the aeration also can prevent the suspension body in the tank from sinking and strengthen the contact between the organic matters in the tank and the microorganisms and the dissolved oxygen, thereby ensuring the oxidative decomposition of the microorganisms in the tank on the organic matters in the sewage under the condition of sufficient dissolved oxygen.

In the aeration process of the existing aeration device, the movement track of bubbles rises linearly, air forms an air column with high concentration on the rising height, the oxygen concentration in the area is high, the oxygen saturation state is achieved, a large amount of oxygen is wasted, however, the area far away from an aeration head is seriously lack of oxygen, the oxygen concentration distribution in the whole aeration tank is uneven, and the fullness degree of the air bubbles in the aeration tank is low.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing a rotary aeration device, wherein an air outlet of an aeration head drives the aeration head to rotate for 360 degrees when giving out air, and simultaneously bubbles sprayed out of the air outlet are diffused to the periphery, so that the water-soluble oxygen content is greatly improved, and the aeration uniformity is ensured.

In order to solve the technical problems, the utility model adopts a technical scheme that: a rotary aeration device comprises an aeration cylinder and an aeration head, wherein the aeration head is rotationally connected with the aeration cylinder, a one-way valve is arranged in the aeration cylinder, and an air inlet is formed in the bottom surface of the side wall of the aeration cylinder;

the upper surface of the aeration head is provided with a plurality of aeration grooves which are uniformly distributed along the circumferential direction of the aeration head, the bottom surfaces of the aeration grooves are inclined planes, the inclined directions of the inclined planes incline downwards one by one along the circumferential direction of the aeration head, the bottom surfaces of the aeration grooves are provided with a plurality of air outlets, the air outlets are communicated with the aeration cylinder and are vertical to the inclined planes, when the air outlets discharge air, the aeration head is driven to rotate for 360 degrees, and meanwhile, bubbles sprayed out of the air outlets are diffused towards the outer circumference, so that the water-soluble oxygen content is greatly improved, and the uniform aeration is ensured;

the outer wall circumference of the aeration cylinder is outwards protruded to form a circle of convex ring, the inner wall of the aeration head is inwards sunken to form a circle of concave ring matched with the convex ring, and a plurality of balls are arranged in front of the convex ring and the concave ring, so that the aeration head is rotatably connected to the aeration cylinder.

The one-way valve comprises a valve body, a diaphragm and a spring, a gas inlet is formed in the center of the bottom surface of the valve body, a plurality of gas outlets are formed in the top surface of the valve body, the gas inlet is communicated with the valve body, the valve body is communicated with the gas outlets, a positioning column is arranged on the top surface of the valve body, the diaphragm is sleeved with the positioning column, the spring is sleeved on the positioning column, the spring is located between the positioning column and the diaphragm, the one-way valve is arranged inside the aeration cylinder, and when gas or sludge enters the valve body from the gas outlets of the one-way valve, the diaphragm is attached to the gas inlet under the action of the spring, so that the water body and the sludge are prevented from flowing backwards.

Furthermore, a plurality of the gas outlets are uniformly distributed along the circumferential direction of the one-way valve, and the plurality of the gas outlets are positioned on the periphery of the positioning column.

Further, the intake port communicates with an intake pipe.

Furthermore, the central axis of the gas inlet and the central axis of the positioning column are located on the same straight line.

Further, the included angle between the air outlet and the horizontal plane is 30-60 degrees.

The utility model has the following beneficial effects:

the bottom surface of the aeration tank is an inclined plane, the inclined direction of the inclined plane is inclined downwards along the circumferential direction of the aeration head one by one, the air outlet is vertical to the inclined plane, and because an included angle is formed between the air outlet and the horizontal plane, the air outlet drives the aeration head to rotate for 360 degrees when giving out air, and simultaneously, bubbles sprayed out of the air outlet are diffused towards the outer circumference, so that the water-soluble oxygen content is greatly improved, and the uniform aeration is ensured;

the top surface of the valve body is provided with a plurality of gas outlets, the gas inlet is communicated with the valve body, the valve body is communicated with the gas outlets, the top surface of the valve body is provided with a positioning column, the diaphragm is sleeved on the positioning column, and the spring is positioned between the positioning column and the diaphragm to prevent water and sludge from flowing backwards.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the check valve of the present invention;

fig. 4 is a schematic structural view of an aeration head of the present invention;

FIG. 5 is an enlarged view of the utility model at B of FIG. 2;

FIG. 6 is an enlarged view of the utility model at A of FIG. 2;

FIG. 7 is a schematic structural view of the valve body of the present invention;

the parts in the drawings are marked as follows:

aeration cylinder 1, air inlet 11, convex ring 12, aeration head 2, aeration tank 21, inclined plane 22, air outlet 23, concave ring 24, check valve 3, valve body 31, air inlet 311, air outlet 312, positioning column 313, diaphragm 32, spring 33, ball 4 and groove 41.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Example (b): a rotary aeration device is shown in figures 1-2 and comprises an aeration cylinder 1 and an aeration head 2, wherein the aeration head 2 is rotatably connected to the aeration cylinder 1, a one-way valve 3 is arranged in the aeration cylinder 1, and an air inlet 11 is arranged on the bottom surface of the side wall of the aeration cylinder 1;

as shown in fig. 4, a plurality of aeration grooves 21 are formed in the upper surface of the aeration head 2, the plurality of aeration grooves 21 are uniformly distributed along the circumferential direction of the aeration head 2, the bottom surface of the aeration groove 21 is an inclined surface 22, the inclined direction of the inclined surface 22 is inclined downward one by one along the circumferential direction of the aeration head 2, a plurality of air outlets 23 are formed in the bottom surface of the aeration groove 21, the air outlets 23 are communicated with the aeration cylinder 1, and the air outlets 23 are perpendicular to the inclined surface 22;

as shown in fig. 5-6, the outer wall of the aeration cylinder 1 is protruded outward in the circumferential direction to form a circle of convex ring 12, the inner wall of the aeration head 2 is recessed inward to form a circle of concave ring 24 matching with the convex ring 12, and a plurality of balls 4 are arranged in front of the convex ring 12 and the concave ring 24.

In practical implementation, the surface of the convex ring 12 and the surface of the concave ring 24 are both provided with a circle of grooves 41, and the balls 4 are mounted in the grooves 41.

As an alternative to this embodiment, bearings may be used instead of the balls 4.

In specific implementation, the aeration cylinder 1 is fixed at the water bottom needing aeration and oxygenation.

As shown in fig. 3 and 7, the check valve 3 includes a valve body 31, a diaphragm 32 and a spring 33, a gas inlet 311 is disposed at the center of the bottom surface of the valve body 31, a plurality of gas outlets 312 are disposed on the top surface of the valve body 31, the gas inlet 311 is communicated with the valve body 31, the valve body 31 is communicated with the gas outlets 312, a positioning column 313 is disposed on the top surface of the valve body 31, the diaphragm 32 is sleeved on the positioning column 313, the spring 33 is sleeved on the positioning column 313, and the spring 33 is located between the positioning column 313 and the diaphragm 32.

The gas outlets 312 are uniformly distributed along the circumferential direction of the check valve 3, and the gas outlets 312 are located on the periphery of the positioning column 313.

The air inlet 11 is communicated with an air inlet pipe, and the air inlet pipe is communicated with an air pump, so that air is pumped into the aeration cylinder 1 through the air pump.

The central axis of the gas inlet 311 and the central axis of the positioning column 313 are located on the same straight line.

The included angle between the air outlet 23 and the horizontal plane is 30-60 degrees.

The working principle of the utility model is as follows: air is fed into the aeration cylinder through the air inlet, the spring contracts, the diaphragm is far away from the air inlet, the air flows out of the air outlet after entering from the air inlet of the one-way valve and is finally sprayed out through the air outlet of the aeration head, the air outlet drives the aeration head to rotate for 360 degrees when giving out air, and meanwhile, bubbles sprayed out of the air outlet are diffused towards the periphery, so that the water-soluble oxygen content is greatly improved, and the uniform aeration is ensured;

because the inside of aeration section of thick bamboo is equipped with the check valve, when gaseous or mud gets into the valve body from the gas outlet of check valve, the diaphragm is laminated with gas inlet under the effect of spring, prevents that water and mud from flowing backward.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.

Claims

1. A rotary aeration device is characterized in that: the aeration device comprises an aeration cylinder (1) and an aeration head (2), wherein the aeration head is rotationally connected with the aeration cylinder, a one-way valve (3) is arranged in the aeration cylinder, and an air inlet (11) is formed in the bottom surface of the side wall of the aeration cylinder;

the upper surface of the aeration head is provided with a plurality of aeration grooves (21), the plurality of aeration grooves are uniformly distributed along the circumferential direction of the aeration head, the bottom surfaces of the aeration grooves are inclined planes (22), the inclined directions of the inclined planes incline downwards one by one along the circumferential direction of the aeration head, the bottom surfaces of the aeration grooves are provided with a plurality of air outlets (23), the air outlets are communicated with the aeration cylinder, and the air outlets are vertical to the inclined planes;

the outer wall circumference of aeration section of thick bamboo outwards protrusion forms a round convex ring (12), the inner wall of aeration head inwards caves in and forms a round and with convex ring assorted concave ring (24), be equipped with a plurality of ball (4) before convex ring and the concave ring.

2. The rotary aeration device of claim 1, wherein: the check valve includes valve body (31), diaphragm (32) and spring (33), the bottom surface center of valve body is equipped with gaseous import (311), the top surface of valve body is equipped with the gaseous export of a plurality of (312), gaseous import with the valve body intercommunication, the valve body with the gaseous export intercommunication, the top surface of valve body is equipped with reference column (313), the diaphragm overlap in the reference column, the spring housing in the reference column, just the spring is located the reference column with between the diaphragm.

3. The rotary aeration device of claim 2, wherein: the gas outlets are uniformly distributed along the circumferential direction of the one-way valve, and the gas outlets are positioned on the periphery of the positioning column.

4. The rotary aeration device of claim 1, wherein: the air inlet is communicated with the air inlet pipe.

5. The rotary aeration device of claim 2, wherein: the central shaft of the gas inlet and the central shaft of the positioning column are positioned on the same straight line.

6. The rotary aeration device of claim 1, wherein: the included angle between the air outlet and the horizontal plane is 30-60 degrees.