CN213895367U

CN213895367U - Disc type jet aeration stirring device

Info

Publication number: CN213895367U
Application number: CN202022828306.XU
Authority: CN
Inventors: 王大亮; 吴国强
Original assignee: Shaanxi Lvying Environmental Protection Technology Co ltd
Current assignee: Shaanxi Lvying Environmental Protection Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-06
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a disk-type jet aeration stirring device, which aims to solve the problem that the oxygenation efficiency of the existing disk-type jet aerator is lower. The device comprises an outer shell, an inner shell, an air inlet, a pressure water inlet, N inner nozzles, N outer nozzles and N blades; the inner shell is coaxially arranged in the outer shell, the lower end of the inner shell is connected with the inner wall of the outer shell, an inner cavity is formed between the inner wall of the inner shell and the inner wall of the bottom surface of the outer shell, and an outer cavity is formed between the outer wall of the inner shell and the inner wall of the outer shell; the air inlet is arranged in the center of the top of the outer shell; the pressure water inlet is arranged at the center of the bottom of the outer shell; the N inner nozzles are arranged on the side wall of the inner shell along the periphery; the N blades are arranged on the side wall of the shell along the circumferential direction; each outer nozzle comprises a hollow pipe and a hollow elbow pipe which are fixedly connected, the N outer nozzles are respectively arranged in the N paddles in a penetrating mode, the inlet of the hollow pipe is connected with the side wall of the outer shell, and the outlet of the hollow elbow pipe extends out of the paddles.

Description

Disc type jet aeration stirring device

Technical Field

The utility model belongs to the technical field of water treatment aeration, a dish formula efflux aeration equipment is related to, especially relate to a dish formula efflux aeration agitating unit.

Background

At present, the inner cavity and the outer cavity of a disc jet aerator commonly used in sewage treatment are cavities formed by involutory connection of an upper butterfly shell and a lower butterfly shell, the inner cavity and the outer cavity are assembled concentrically, a liquid inlet and a gas inlet are respectively connected with the inner cavity and the outer cavity along the axis direction, and inner nozzles and outer nozzles are respectively distributed concentrically along the circumferential surfaces of the inner cavity and the outer cavity. The inner cavity is a working medium water cavity, the outer cavity is an injection medium compressed air suction cavity, and a mixing cavity is arranged between the inner nozzle and the outer nozzle. However, the air-water mixture of the existing disc jet aerator is limited in the contact range with the surrounding liquid due to the resistance of the surrounding liquid after being sprayed out from the outer nozzle, so that the oxygenation efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the contact range of the mixed liquid sprayed from the outer nozzle of the existing disc type jet aerator and the surrounding liquid is limited, so that the oxygenation efficiency is lower, the utility model provides a disc type jet aeration stirring device.

In order to achieve the above purpose, the utility model provides a technical scheme is:

a disc type jet aeration stirring device is characterized in that: the device comprises an outer shell, an inner shell, an air inlet, a pressure water inlet, N inner nozzles, N outer nozzles and N paddles, wherein N is an integer larger than 1, and the positions of the outer nozzles and the inner nozzles are in one-to-one correspondence;

the inner shell is coaxially arranged in the outer shell, the inner shell is of a cylindrical structure with an opening at the lower end, the lower end of the inner shell is connected with the inner wall of the outer shell, an inner cavity is formed between the inner wall of the inner shell and the inner wall of the bottom surface of the outer shell, and an outer cavity is formed between the outer wall of the inner shell and the inner wall of the outer shell;

the air inlet is arranged in the center of the top of the outer shell and is communicated with the outer cavity;

the pressure water inlet is arranged in the center of the bottom of the outer shell and is communicated with the inner cavity;

the N inner nozzles are uniformly arranged on the side wall of the inner shell along the circumferential direction, the inlets of the inner nozzles are communicated with the inner cavity, and the outlets of the inner nozzles are spaced from the inner wall of the outer shell;

the N paddles are uniformly arranged on the side wall of the outer shell along the circumferential direction;

each outer nozzle comprises a hollow pipe and a hollow elbow pipe which are fixedly connected, the N outer nozzles are respectively arranged in the N paddles in a penetrating mode, the inlet of the hollow pipe is connected with the side wall of the outer shell and communicated with the outer cavity, and the outlet of the hollow elbow pipe extends out of the paddles.

Furthermore, the hollow pipe is a conical hollow pipe, and the large end of the hollow pipe is connected with the side wall of the outer shell;

the hollow elbow pipe is a 90-degree hollow elbow pipe.

Furthermore, the inner nozzle is a conical hollow pipe, and the large end of the inner nozzle is connected with the side wall of the inner shell.

Further, the paddle comprises an upper curved surface and a lower curved surface which wrap the outer nozzle.

Further, the outlet direction of the hollow elbow pipe is opposite to the rotating direction of the blade.

Furthermore, the air inlet is circular, one end of the air inlet is connected with the center of the top of the outer shell, and the other end of the air inlet is used for being connected with an external air inlet pipe in a sealing mode and can rotate;

the pressure water inlet is circular, one end of the pressure water inlet is connected with the center of the bottom of the outer shell, and the other end of the pressure water inlet is used for being connected with an external water inlet pipe in a sealing mode and can rotate.

Compared with the prior art, the utility model has the advantages that:

1. the utility model discloses an air and pressurized water violently mix in outer nozzle department and form the gas-liquid mixture, and by outer nozzle export discharge, the air rises with slight bubble in the water, reaches the purpose of aeration. Meanwhile, when the mixed liquid is discharged from the outer nozzles, the mixed liquid can form reverse thrust on the outer nozzles, and the reverse thrust of the outer nozzles enables the whole disc type jet aeration stirring device to rotate around the centers of the air inlet and the pressure water inlet, so that the blades are driven to rotate to stir surrounding water; the utility model discloses aeration stirring device simple structure, convenient operation need not to increase solitary power source, alright realize efflux aeration and stirring dual function, stir liquid in efflux aeration, increase the contact range of mixing liquid and liquid on every side, improve and oxygenate efficiency.

2. The utility model discloses outer nozzle is the same with interior nozzle quantity and position one-to-one, can improve the mixing action of air and pressurized water, improves the stirring effect of paddle to water on every side, further improves and oxygenates efficiency.

3. The utility model discloses hollow tube and inner nozzle are the toper hollow tube, improve the velocity of flow of nozzle export, and then improve whole dish formula efflux aeration agitating unit's rotational speed, further improve and oxygenate efficiency.

Drawings

FIG. 1 is a top view of the disk-type jet aeration stirring device of the present invention;

FIG. 2 is a side view of the disk-type jet aeration stirring device of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic structural view of the disc jet aeration stirring device of the present invention (with half of the outer shell and the outer nozzles and blades thereon removed);

wherein the reference numbers are as follows:

01-outer shell, 02-inner shell, 1-air inlet, 2-inner cavity, 3-outer cavity, 4-inner nozzle, 5-outer nozzle, 51-hollow tube, 52-hollow elbow tube, 6-paddle, and 7-pressure water inlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, a disc-type jet aeration stirring device comprises an outer shell 01, an inner shell 02, an air inlet 1, a pressure water inlet 7, an inner nozzle 4, an outer nozzle 5 and blades 6, wherein the number of the inner nozzle 4, the number of the outer nozzle 5 and the number of the blades 6 are the same, and are at least 2; in the embodiment, the number of the inner nozzles 4, the number of the outer nozzles 5 and the number of the blades 6 are all 6; in other embodiments, the number of the inner nozzles 4 and the outer nozzles 5 can be designed according to actual needs.

The outer shell 01 consists of a cylindrical side wall, an elliptical top cover and an elliptical bottom surface, and a cavity area is formed by the cylindrical side wall, the elliptical top cover and the elliptical bottom surface in an enclosing manner;

interior casing 02 is lower extreme open-ended tubular structure, and it comprises cylindrical side wall and oval top cap, and interior casing 02 is coaxial to be set up in outer casing 01, its lateral wall down along with outer casing 01 bottom surface inner wall connection, interior casing 02 center and outer casing 01 center coincidence, form inner chamber 2 between interior casing 02 inner wall and the outer casing 01 bottom surface inner wall, form exocoel 3 between interior casing 02 outer wall and the outer casing 01 inner wall.

The 6 outer nozzles 5 are uniformly arranged on the side wall of the outer shell 01 along the circumferential direction, and the centers of the outer nozzles 5 are on the same plane and are distributed along the radial equal-angle radiation type; each outer nozzle 5 comprises a hollow pipe 51 and a hollow elbow pipe 52 which are fixedly connected; the hollow pipe 51 is a conical hollow pipe, the hollow elbow pipe 52 is a 90-degree hollow elbow pipe, the large end of the conical hollow pipe 51 is connected with the side wall of the outer shell 01 and communicated with the outer cavity 3, the small end of the conical hollow pipe is connected and communicated with one end of the 90-degree hollow elbow pipe, the other end of the 90-degree hollow elbow pipe is an outlet of the outer nozzle 5, the outlets of all the outer nozzles 5 are in the same horizontal plane and in the same direction (uniformly distributed circumferentially), and the outlet direction of the outer nozzle 5 is opposite to the rotating direction of the paddle 6.

The 6 inner nozzles 4 are uniformly arranged on the side wall of the inner shell 02 along the circumferential direction, the centers of all the inner nozzles 4 are distributed on the same plane and in a radial equal-angle radiation mode, the 6 inner nozzles 4 correspond to the 6 outer nozzles 5 in a one-to-one mode, and the center lines of the inner nozzles 4 and the outer nozzles 5 in the corresponding positions are superposed. The inner nozzle 4 is a conical hollow pipe, the large end of the inner nozzle is connected with the side wall of the inner shell 02 and communicated with the inner cavity 2, and a certain distance is reserved between the small end (outlet) and the inner wall of the outer shell 01.

6 paddle 6 evenly sets up on 01 lateral wall of shell along the circumferencial direction, and every paddle 6 includes two upper and lower curved surfaces, and including two curved surfaces wrap up outer nozzle 5 for outer nozzle 5 wears to establish in paddle 6, and exposes outer nozzle 5's export (the other end of hollow elbow pipe 52).

Air inlet 1 is circular, and air inlet 1 one end sets up at 01 top centers of shell and communicates with exocoel 3, and air inlet 1 is when using, and the other end and intake pipe sealing connection can rotate in a flexible way.

The pressure water inlet 7 is circular, one end of the pressure water inlet 7 is arranged at the center of the bottom of the outer shell 01 and communicated with the inner cavity 2, and the other end of the pressure water inlet 7 is hermetically connected with the water inlet pipe and can flexibly rotate when the pressure water inlet is used.

The working process of the disc type jet aeration stirring device of the embodiment is as follows:

pressure water is through the inlet tube, pressure water inlet 7 gets into inner chamber 2, spout from interior nozzle 4 at a high speed again, when high-speed pressure water gets into from interior nozzle 4 to outer nozzle 5, can form the vacuum at outer chamber 3, inhale a large amount of air by air intlet 1, the air is through the inlet tube, air intlet 1 gets into behind the outer chamber 3, violently mix at outer nozzle 5 and pressure water (liquid), form the gas-liquid mixture body, discharge by outer nozzle 5 export, the air rises with the fine bubble in the water, form efficient material transfer at whole in-process, reach the purpose of aeration. When mixed liquid is discharged from the 5 exports of outer nozzle, can form the thrust of outer nozzle 5, the thrust of a plurality of outer nozzles 5 makes whole dish formula efflux aeration mixing device rotatory around the center of air intlet 1 and pressure water import 7 to it is rotatory to drive paddle 6, stirs the water around the dish formula efflux aeration mixing device. The rotating direction of the paddle 6 is determined by the outlet direction of the outer nozzle 5 and the torsion angle of the paddle 6, and in other embodiments, the outlet direction of the outer nozzle 5 and the torsion angle of the paddle 6 can be reasonably designed according to actual needs to achieve the optimal stirring effect.

The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any deformation made by those skilled in the art on the basis of the main technical concept of the present invention belongs to the technical scope to be protected by the present invention.

Claims

1. The utility model provides a dish formula efflux aeration agitating unit which characterized in that: the device comprises an outer shell (01), an inner shell (02), an air inlet (1), a pressure water inlet (7), N inner nozzles (4), N outer nozzles (5) and N blades (6), wherein N is an integer larger than 1, and the positions of the outer nozzles (5) and the inner nozzles (4) are in one-to-one correspondence;

the inner shell (02) is coaxially arranged in the outer shell (01), the inner shell (02) is of a cylindrical structure with an opening at the lower end, the lower end of the inner shell is connected with the inner wall of the outer shell (01), an inner cavity (2) is formed between the inner wall of the inner shell (02) and the inner wall of the bottom surface of the outer shell (01), and an outer cavity (3) is formed between the outer wall of the inner shell (02) and the inner wall of the outer shell (01);

the air inlet (1) is arranged in the center of the top of the outer shell (01) and is communicated with the outer cavity (3);

the pressure water inlet (7) is arranged in the center of the bottom of the outer shell (01) and is communicated with the inner cavity (2);

the N inner nozzles (4) are uniformly arranged on the side wall of the inner shell (02) along the circumferential direction, the inlets of the inner nozzles (4) are communicated with the inner cavity (2), and the outlets of the inner nozzles are spaced from the inner wall of the outer shell (01);

n paddles (6) are uniformly arranged on the side wall of the outer shell (01) along the circumferential direction;

each outer nozzle (5) comprises a hollow pipe (51) and a hollow elbow pipe (52) which are fixedly connected, the N outer nozzles (5) are respectively arranged in the N paddles (6) in a penetrating mode, the inlet of the hollow pipe (51) is connected with the side wall of the outer shell (01) and communicated with the outer cavity (3), and the outlet of the hollow elbow pipe (52) extends out of the paddles (6).

2. The disc-type jet aeration stirring device according to claim 1, wherein: the hollow pipe (51) is a conical hollow pipe, and the large end of the hollow pipe is connected with the side wall of the outer shell (01);

the hollow elbow pipe (52) is a 90-degree hollow elbow pipe.

3. The disc-type jet aeration stirring device according to claim 2, wherein: the inner nozzle (4) is a conical hollow pipe, and the large end of the inner nozzle is connected with the side wall of the inner shell (02).

4. The disc-type jet aeration stirring device according to any one of claims 1 to 3, wherein: the paddle (6) comprises an upper curved surface and a lower curved surface which wrap the outer nozzle (5).

5. The disc-type jet aeration stirring device according to claim 1, wherein: the outlet direction of the hollow elbow pipe (52) is opposite to the rotating direction of the blade (6).

6. The disc-type jet aeration stirring device according to claim 1, wherein: the air inlet (1) is circular, one end of the air inlet is connected with the center of the top of the outer shell (01), and the other end of the air inlet is hermetically connected with an external air inlet pipe and can rotate;

the pressure water inlet (7) is circular, one end of the pressure water inlet is connected with the center of the bottom of the outer shell (01), and the other end of the pressure water inlet is connected with an external water inlet pipe in a sealing mode and can rotate.