CN220610080U

CN220610080U - Sewage aeration agitator

Info

Publication number: CN220610080U
Application number: CN202322144965.5U
Authority: CN
Inventors: 马学平; 萧李; 彭磊; 罗磊
Original assignee: Dayi Hongliangyu Environmental Protection Technology Co ltd
Current assignee: Dayi Hongliangyu Environmental Protection Technology Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-03-19
Anticipated expiration: 2033-08-10

Abstract

The application provides a sewage aeration agitator, include: the lower end of the stirring shaft is provided with an impeller, and the top of the stirring shaft is connected with a motor. The stirring shaft is internally provided with a main channel penetrating through the lower end, and the side wall of the stirring shaft is provided with a vent hole communicated with the main channel; the stirring shaft is arranged in a circular ring in a penetrating way, an annular groove is formed in the inner wall of the stirring shaft, an annular cavity is formed between the annular groove and the outer wall of the stirring shaft, the vent hole is positioned in the annular groove, and an air inlet pipe communicated with the annular groove is arranged on the outer wall of the circular ring and used for filling air into the main channel; the air inlet pipe is communicated with a storage tank which is used for storing medicaments; the blades of the impeller are provided with exhaust holes communicated with the main channel. Can realize three works of stirring, aeration and feeding simultaneously, can make the feeding more even and need not to lay the aeration pipe in the bottom of the treatment tank.

Description

Sewage aeration agitator

Technical Field

The utility model belongs to the technical field of sewage treatment equipment, and particularly relates to a sewage aeration stirrer.

Background

In sewage treatment, sewage biodegradation is usually promoted by adding medicaments such as PAC (PAC), PAM (polyacrylamide) and the like, so that the purpose of flocculation or sedimentation is achieved, the medicaments are fully mixed with sewage, stirring equipment is required to be arranged for stirring the sewage in the treatment tank, an aeration pipeline can be paved at the bottom of the treatment tank, and the effect of aerobic reaction is improved. However, the above-described method has several problems: firstly, the bottom of the treatment tank is not convenient to clean because the aeration pipe is paved; secondly, throw the material and mostly adopt the mode of manual work to throw, throw the homogeneity relatively poor.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the sewage aeration stirrer which can simultaneously realize three works of stirring, aeration and feeding, can make feeding more uniform, does not need to lay an aeration pipe at the bottom of a treatment tank, and is convenient for cleaning the treatment tank.

In order to achieve the object of the utility model, the following scheme is adopted:

a sewage aeration agitator, comprising: the lower end of the stirring shaft is provided with an impeller, and the top of the stirring shaft is connected with a motor. The stirring shaft is internally provided with a main channel penetrating through the lower end, and the side wall of the stirring shaft is provided with a vent hole communicated with the main channel;

the stirring shaft is arranged in a circular ring in a penetrating way, an annular groove is formed in the inner wall of the stirring shaft, an annular cavity is formed between the annular groove and the outer wall of the stirring shaft, the vent hole is positioned in the annular groove, and an air inlet pipe communicated with the annular groove is arranged on the outer wall of the circular ring and used for filling air into the main channel;

the air inlet pipe is communicated with a storage tank which is used for storing medicaments;

the blades of the impeller are provided with exhaust holes communicated with the main channel.

The utility model has the beneficial effects that: the three works of stirring, aeration and feeding can be realized simultaneously, so that an aeration pipe is not required to be paved at the bottom of the treatment tank, the treatment tank is convenient to clean, and the medicament is driven by air flow, so that the medicament is more dispersed, and can enter sewage along with air with pressure, and the medicament can be more uniformly and rapidly mixed in the sewage along with the stirring effect of the impeller, thereby improving the reaction effect.

Drawings

The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the utility model.

Fig. 1 shows a schematic overall structure of the present application.

Fig. 2 shows an exploded view of the structure of the present application.

Fig. 3 shows a partial cross-sectional view of the connection of the ring with the stirring shaft.

Fig. 4 shows a schematic view of the internal and external structure of the impeller.

The marks in the figure: stirring shaft 1, main channel 11, vent hole 12, impeller 2, blade 21, exhaust hole 22, counter bore 23, communication hole 24, ring 3, annular groove 31, air inlet pipe 32, stock tank 4, regulating valve 41, sealing cover 42.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, but the described embodiments of the present utility model are some, but not all embodiments of the present utility model.

As shown in fig. 1 to 4, a sewage aeration agitator includes: the lower end of the stirring shaft 1 is provided with an impeller 2, and the top of the stirring shaft is connected with a motor. The stirring shaft 1 has a main passage 11 penetrating the lower end, and the side wall of the stirring shaft 1 is provided with a vent hole 12 communicating with the main passage 11.

Specifically, as shown in fig. 1 to 3, the stirring shaft 1 is disposed through a circular ring 3, the inner wall of the circular ring 3 has an annular groove 31, an annular cavity is formed between the annular groove 31 and the outer wall of the stirring shaft 1, the vent hole 12 is located in the annular groove 31, an air inlet pipe 32 communicated with the annular groove 31 is disposed on the outer wall of the circular ring 3, and is used for filling air into the main channel 11, and the annular cavity formed between the annular groove 31 and the stirring shaft 1 is used for buffering and stabilizing air flow.

Specifically, as shown in fig. 1 and 2, the air inlet pipe 32 is provided with a storage tank 4 in a communicating manner, and the storage tank 4 is used for storing the medicament, and because the storage tank 4 is communicated with the air inlet pipe 32, when the air inlet pipe 32 fills air into the main channel 11, the medicament in the storage tank 4 is driven to enter the main channel 11 at the same time, and is discharged from the bottom of the stirring shaft 1.

Specifically, as shown in fig. 4, the blades 21 of the impeller 2 are provided with the exhaust holes 22 communicated with the main channel 11, and three operations of stirring, aeration and feeding can be simultaneously realized through the impeller 2, so that an aeration pipe is not required to be paved at the bottom of the treatment tank, the treatment tank is convenient to clean, and the medicament is driven by air flow, so that the medicament is more dispersed, and can enter sewage along with air with pressure, and the medicament is more uniformly and rapidly mixed in the sewage along with the stirring action of the impeller 2, thereby improving the reaction effect.

Preferably, as shown in fig. 1 and 2, a regulating valve 41 is provided at a communication portion between the storage tank 4 and the air intake pipe 32, for controlling a discharge passage of the storage tank 4, thereby controlling a medicament discharge speed.

Preferably, a plurality of ventilation holes 12 are provided along a circumferential array to improve air intake efficiency.

Preferably, as shown in fig. 3, the bottom surface of the vent hole 12 is flush with the bottom surface of the annular groove 31 to prevent the medicine from accumulating between the bottom of the annular groove 31 and the outer wall of the stirring shaft 1.

Preferably, as shown in fig. 3, a seal ring is provided at a revolute pair part formed by the circular ring 3 and the stirring shaft 1 to prevent air and medicament from leaking.

Preferably, as shown in fig. 1 and 2, a detachable sealing cover 42 is arranged at the top of the stock tank 4 to facilitate the addition of the medicament.

Preferably, the impeller 2 and the stirring shaft 1 are detachably connected, so that the production and the manufacturing are facilitated.

More specifically, as shown in fig. 4, a counter bore 23 is formed at the top of the hub of the impeller 2, and a screw is arranged on the side wall of the counter bore for connecting the stirring shaft 1, so as to realize detachable connection with the stirring shaft 1, a communication hole 24 communicated with the counter bore 23 is formed in the blade 21 along the length direction, the communication hole 24 is the same as the main channel 11, and a plurality of exhaust holes 22 communicated with the communication hole 24 are formed in the communication hole along the length direction.

Preferably, as shown in fig. 4, the direction indicated by the arc arrow in the drawing is the rotation direction of the impeller 2, and the exhaust hole 22 is positioned on one side of the vane 21 away from the rotation direction of the impeller 2, so as to reduce the water pressure born by the gas during the exhaust, and prevent the sewage from flowing backward into the main channel 11.

Preferably, as shown in fig. 4, the direction indicated by the arc arrow in the drawing is the rotation direction of the impeller 2, and the side of the blade 21 facing the rotation direction of the impeller 2 is lower than the other side, so that the sewage is turned up by the rotation of the impeller 2.

The foregoing description of the preferred embodiments of the utility model is merely exemplary and is not intended to be exhaustive or limiting of the utility model. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model.

Claims

1. A sewage aeration agitator, comprising: the stirring shaft (1) is characterized in that a main channel (11) penetrating through the lower end is arranged in the stirring shaft (1), and a vent hole (12) communicated with the main channel (11) is formed in the side wall of the stirring shaft (1);

the stirring shaft (1) is arranged in a circular ring (3) in a penetrating way, an annular groove (31) is formed in the inner wall of the stirring shaft, an annular cavity is formed between the annular groove (31) and the outer wall of the stirring shaft (1), the vent hole (12) is positioned in the annular groove (31), and an air inlet pipe (32) communicated with the annular groove (31) is arranged on the outer wall of the circular ring (3) and used for filling air into the main channel (11);

the air inlet pipe (32) is communicated with a storage tank (4), and the storage tank (4) is used for storing medicaments;

the blades (21) of the impeller (2) are provided with exhaust holes (22) communicated with the main channel (11).

2. A sewage aeration agitator according to claim 1, characterized in that the communicating part of the storage tank (4) and the air inlet pipe (32) is provided with a regulating valve (41).

3. A sewage aeration agitator according to claim 1, wherein the aeration holes (12) are provided in a plurality along a circumferential array.

4. A sewage aeration agitator according to claim 1 or 3, characterized in that the bottom surface of the vent hole (12) is flush with the bottom surface of the annular groove (31).

5. A sewage aeration agitator according to claim 1, characterized in that a sealing ring is arranged at the revolute pair part formed by the circular ring (3) and the agitating shaft (1).

6. A sewage aeration agitator according to claim 1, characterized in that the top of the tank (4) is provided with a removable sealing cover (42).

7. A sewage aeration agitator according to claim 1, characterized in that the impeller (2) is detachably connected with the agitating shaft (1).

8. A sewage aeration agitator according to claim 1, characterized in that the hub top of the impeller (2) is provided with a counter bore (23), the side wall of the impeller is provided with a screw in a penetrating way for connecting the agitating shaft (1), the inside of the blade (21) is provided with a communication hole (24) communicated with the counter bore (23) along the length direction, the communication hole (24) is the same as the main channel (11), and the communication hole (24) is provided with a plurality of exhaust holes (22) communicated with the communication hole along the length direction.

9. A sewage aeration agitator according to claim 1, characterized in that the exhaust hole (22) is located on the side of the blade (21) facing away from the direction of rotation of the impeller (2).

10. A sewage aeration agitator according to claim 9, characterized in that the side of the blade (21) facing the direction of rotation of the impeller (2) is lower than the other side.