CN212425611U

CN212425611U - Aeration stirring all-in-one

Info

Publication number: CN212425611U
Application number: CN202021128586.7U
Authority: CN
Inventors: 何金; 俞建伟; 张祝宁; 何辉
Original assignee: Zhejiang Kunlun Environmental Protection Equipment Co ltd
Current assignee: Zhejiang Kunlun Environmental Protection Equipment Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2021-01-29
Anticipated expiration: 2030-06-18

Abstract

The utility model discloses an aeration and stirring integrated machine, which comprises a rotating shaft driven by a motor, a stirring impeller, an aeration pipe communicated with an air blower and a hollow sleeve, wherein the rotating shaft is arranged in the hollow sleeve in a penetrating way, and the stirring impeller is arranged at the lower port of the hollow sleeve; the aeration pipe comprises branch pipes and a sprinkler head respectively arranged at the lower ports of the branch pipes, the sprinkler head comprises a hollow conical part and a panel, the upper end of each conical part is connected with the lower end of each branch pipe, the panel is arranged at the lower port of the conical part, and aeration holes are distributed on the panel; each branch pipe is arranged in the hollow sleeve in a penetrating mode, the branch pipes are arranged on the side of the rotating shaft at intervals, and each spraying head is located right above the stirring impeller. The utility model discloses an aeration pipe comprises a plurality of branch pipes of installing in the pivot side and the sprinkler head of installing directly over impeller, not only can make the air current distribution more even, can form less bubble diameter moreover to obtain the aeration effect of ideal.

Description

Aeration stirring all-in-one

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an efficient aeration stirring all-in-one machine.

Background

The aeration device is equipment for supplying oxygen to the aeration tank in the water treatment process of the wastewater activated sludge process, the aeration device not only enables liquid in the tank to be in contact with air for oxygenation, but also accelerates the transfer of oxygen in the air into the liquid due to the stirring of the liquid, thereby completing the purpose of oxygenation; in addition, the aeration device also has the purposes of preventing the suspension body in the tank from sinking and enhancing the contact between organic matters in the tank and microorganisms and 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. The quality of the aeration device not only affects the biochemical treatment effect of sewage, but also directly affects the land occupation, investment and operation cost of a treatment field.

In general, the smaller the bubbles generated during aeration, the more beneficial the aeration, for this reason, patent CN210261307U discloses a vertical aeration mixer, which comprises a mixing motor, a hollow shaft in transmission connection with the mixing motor, a propeller at the lower part of the hollow shaft and a breaking propeller at the lower port of the hollow shaft for breaking the bubbles, wherein the air flow is transmitted from the upper end to the lower end of the hollow shaft through an air pump, and the gas discharged from the hollow shaft can be cut and broken through the breaking propeller, so that the diameter of the generated bubbles is smaller, thereby increasing the solubility of oxygen. Although the structure can obtain the bubbles with smaller diameters, the two sets of propellers are adopted, so that the power required by the motor is higher, and the power consumption is larger. In addition, the air flow channel of the structure is only one, namely, the air flow flows out through the lower port of the hollow shaft, air bubbles are concentrated, and therefore the aeration range is small.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aeration stirring all-in-one, its aim at provides one kind and consumes less to the aeration stirring all-in-one that the bubble diameter is less.

In order to achieve the purpose, the utility model provides a technical scheme as follows:

the aeration and stirring integrated machine comprises a stirring device and an aeration device, wherein the stirring device comprises a rotating shaft and a stirring impeller, which are driven by a motor, and the stirring impeller is arranged at the lower end of the rotating shaft; the aeration device comprises an aeration pipe communicated with the air blower, the aeration pipe extends below the liquid level, the aeration and stirring integrated machine further comprises a hollow sleeve with openings at the upper end and the lower end, the rotating shaft penetrates through the hollow sleeve, and the stirring impeller is installed at the lower port of the hollow sleeve; the aeration pipe comprises at least two branch pipes communicated with the blower and spray heads respectively arranged at lower ports of the branch pipes, each spray head comprises a hollow conical part and a panel, the upper end of each conical part is connected with the lower end of each branch pipe, the panel is arranged at the lower port of the conical part, and aeration holes are distributed on the panel; each branch pipe is arranged in the hollow sleeve in a penetrating mode, the branch pipes are arranged on the side of the rotating shaft at intervals, and each spraying head is located right above the stirring impeller.

In a recommended embodiment, the aeration pipe comprises four branch pipes communicated with the blower and spray heads respectively arranged at the lower ports of the branch pipes, and each branch pipe is symmetrically arranged at the side of the rotating shaft.

In a recommended embodiment, a partition plate is installed in the hollow sleeve, and the rotating shaft and the branch pipe are both arranged in the partition plate in a penetrating mode.

In a recommended embodiment, the aeration and stirring all-in-one machine comprises a buoy and a plurality of connecting rods, wherein the upper end of each connecting rod is fixedly installed on the buoy, and the lower end of each connecting rod is connected with the upper end of the hollow sleeve.

In a recommended embodiment, the aeration and stirring all-in-one machine further comprises a hollow conical cylinder and a hollow flow guide channel, the lower part of the flow guide channel is provided with a plurality of branch channels radiating to the periphery, the large-diameter end of the conical cylinder is connected with the lower end of the hollow sleeve, and the small-diameter end of the conical cylinder is connected with the upper end of the flow guide channel.

In a preferred embodiment, the hollow sleeve and the conical cylinder are connected through a flange; the conical cylinder body is connected with the flow guide channel through a flange.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect: the utility model discloses an aeration pipe comprises a plurality of branch pipes of installing in the pivot side and the sprinkler head of installing directly over impeller, not only can make the air current distribution more even, can form less bubble diameter moreover to obtain the aeration effect of ideal.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

Referring to fig. 1, the aeration and stirring all-in-one machine comprises a stirring device, an aeration device, a buoy 1 and a hollow sleeve 2, wherein the stirring device comprises a motor (not shown in the figure), a rotating shaft 3 and a stirring impeller 4, and the aeration device comprises a blower (not shown in the figure) and an aeration pipe. The buoy 1 and the hollow sleeve 2 are fixedly connected through a plurality of connecting rods 10, the upper end of each connecting rod 10 is fixed to the buoy 1, and the lower end of each connecting rod 10 is fixed to the upper port of the hollow sleeve 2.

Referring to fig. 2, the upper and lower ends of the hollow sleeve 2 respectively form an opening end, a horizontal partition plate 20 is installed inside the hollow sleeve 2, the upper end of the rotating shaft 3 is connected with the motor, the lower end of the rotating shaft 3 penetrates through the hollow sleeve 2 and the partition plate 20, a stirring impeller 4 is installed at the lower end of the rotating shaft 3, and the stirring impeller 4 is located at the lower port of the hollow sleeve 2.

With continued reference to fig. 1 and 2, the aeration tube includes four branch pipes 5 (only two are shown in the drawing for the sake of visual angle) communicating with the blower and spray heads 6 respectively installed at lower ports of the branch pipes 5, each of the spray heads 6 includes a hollow conical portion 61 and a panel 62, an upper end of each of the conical portions 61 is connected with a lower end of each of the branch pipes 5, the panel 62 is installed at a lower port of the conical portion 61, and aeration holes (not shown in the drawing) are distributed on the panel 62; each branch pipe 5 penetrates through the hollow sleeve 2, the branch pipes 5 are arranged beside the rotating shaft 3 at intervals, and each spraying head 6 is positioned right above the stirring impeller 4.

In a recommended embodiment, the aeration and stirring all-in-one machine further comprises a hollow conical cylinder 7 and a hollow flow guide channel 8, the lower part of the flow guide channel 8 is provided with a plurality of branch channels 81 radiating to the periphery, the outlets of the branch channels 81 incline downwards, the large-diameter end of the conical cylinder 7 is connected with the lower end of the hollow sleeve 2, and the small-diameter end of the conical cylinder 7 is connected with the upper end of the flow guide channel 8. In the preferred embodiment, the hollow sleeve 2 and the conical cylinder 7 are connected by flanges; the conical cylinder 7 is connected with the flow guide channel 8 through a flange.

The utility model discloses an aeration pipe comprises a plurality of branch pipes of installing in the pivot side and the sprinkler head of installing directly over impeller, not only can make the air current distribution more even, can form less bubble diameter moreover to obtain the aeration effect of ideal.

The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The aeration and stirring integrated machine comprises a stirring device and an aeration device, wherein the stirring device comprises a rotating shaft and a stirring impeller, which are driven by a motor, and the stirring impeller is arranged at the lower end of the rotating shaft; aeration equipment includes the aeration pipe with the air-blower intercommunication, the aeration pipe stretches into below the liquid level, its characterized in that: the aeration and stirring all-in-one machine also comprises a hollow sleeve with openings at the upper end and the lower end, the rotating shaft penetrates through the hollow sleeve, and the stirring impeller is arranged at the lower port of the hollow sleeve; the aeration pipe comprises at least two branch pipes communicated with the blower and spray heads respectively arranged at lower ports of the branch pipes, each spray head comprises a hollow conical part and a panel, the upper end of each conical part is connected with the lower end of each branch pipe, the panel is arranged at the lower port of the conical part, and aeration holes are distributed on the panel; each branch pipe is arranged in the hollow sleeve in a penetrating mode, the branch pipes are arranged on the side of the rotating shaft at intervals, and each spraying head is located right above the stirring impeller.

2. An aeration and stirring all-in-one machine according to claim 1, characterized in that: the aeration pipe comprises four branch pipes communicated with the air blower and spraying heads respectively arranged at lower ports of the branch pipes, and the branch pipes are arranged beside the rotating shaft at intervals.

3. An aeration and stirring all-in-one machine according to claim 1, characterized in that: the hollow sleeve is internally provided with a partition plate, and the rotating shaft and the branch pipe are arranged on the partition plate in a penetrating way.

4. An aeration and stirring all-in-one machine according to claim 1, characterized in that: the aeration and stirring all-in-one machine comprises a buoy and a plurality of connecting rods, wherein the upper end of each connecting rod is fixedly arranged on the buoy, and the lower end of each connecting rod is connected with the upper end of the hollow sleeve.

5. An aeration and stirring all-in-one machine according to claim 1, characterized in that: the aeration and stirring all-in-one machine further comprises a hollow conical barrel and a hollow flow guide channel, the lower part of the flow guide channel is provided with a plurality of branch channels radiating to the periphery, the large-diameter end of the conical barrel is connected with the lower end of the hollow sleeve, and the small-diameter end of the conical barrel is connected with the upper end of the flow guide channel.

6. An aeration and stirring all-in-one machine according to claim 5, wherein: the hollow sleeve is connected with the conical cylinder through a flange; the conical cylinder body is connected with the flow guide channel through a flange.