CN210559617U

CN210559617U - Rotary mixing type aeration device

Info

Publication number: CN210559617U
Application number: CN201921082907.1U
Authority: CN
Inventors: 陆东蛟; 张媛媛; 林耽
Original assignee: Nanjing Huanmei Technology Co ltd
Current assignee: Nanjing Huanmei Technology Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-05-19
Anticipated expiration: 2029-07-11

Abstract

The utility model provides a revolve formula aeration equipment that mixes, including aeration equipment, aeration equipment includes inner tube and urceolus, the inner tube is located the inside of urceolus, just inner tube bottom opening, the urceolus top is equipped with the whirl lid, the urceolus bottom is equipped with reinforcing plate and bottom plate, the reinforcing plate with bottom plate fixed connection, the urceolus top be equipped with the communicating mixed feed liquor pipe of inner tube, the lower extreme of urceolus one side is equipped with side intake pipe, side intake pipe entrance top the inner tube with be equipped with spiral rising's spiral plate between the urceolus, the spiral plate comprises last spiral plate and lower spiral plate of connection, be equipped with a plurality of through-holes down on the spiral plate, side intake pipe entrance below the inner tube with follow between the urceolus the inner tube axial is equipped with a plurality of baffle groups. The utility model discloses through twice oxygenating operation to utilize baffle group and spiral plate to cut the bubble repeatedly, oxygenate efficiently, be difficult for blockking up long service life.

Description

Rotary mixing type aeration device

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to mix formula aeration equipment soon.

Background

The activated sludge process is an important treatment process in sewage treatment engineering, namely, a proper amount of oxygen is filled into sewage, and organic matters are decomposed through oxidation, so that the oxygen requirement of the sewage treated by the activated sludge is met. At present, the common method for oxygenating sewage is to generate pressure air by a blower and then uniformly distribute oxygen in the sewage by an aeration device, so as to achieve the purpose of biologically oxidizing and degrading organic pollutants. The aeration device generally comprises a micropore aeration disc, a hose hole-changing aerator, a diaphragm type aeration pipe and the like, the working principle is that high-pressure air is sprayed out from micropores and mixed with sewage for oxygenation, but the problems of easy blockage or enlargement of the micropores, low oxygenation efficiency, low oxygen utilization rate and the like exist. Therefore, there is a need for a rotary mixing aeration apparatus that can solve the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art not enough, a revolve formula aeration equipment that mixes is provided, the device utilizes sewage circulating pump earlier, second fan and ejector carry out aeration oxygenation operation for the first time, the mixed liquid that obtains enters into in the inner tube through mixing the feed liquor pipe, then flow into between inner tube and the urceolus from the inner tube bottom, carry out secondary oxygenation operation with the highly-compressed air remixing behind the baffle group, in proper order through lower spiral plate, go up spiral plate and whirl lid and flow, the device utilizes baffle group and spiral plate to cut the bubble repeatedly, oxygenation efficiency is higher, effectively reduce the aeration resistance, and the device is difficult for blockking up, long service life.

The utility model provides a following technical scheme:

the utility model provides a revolve and mix formula aeration equipment, includes aeration equipment, aeration equipment includes inner tube and urceolus, the inner tube is located the inside of urceolus, just inner tube bottom opening, the urceolus top is equipped with the whirl lid, the urceolus bottom is equipped with reinforcing plate and bottom plate, the reinforcing plate with bottom plate fixed connection, the urceolus top be equipped with the communicating mixed feed liquor pipe of inner tube, the lower extreme of urceolus one side is equipped with side intake pipe, side intake pipe entrance top the inner tube with be equipped with spiral rising's spiral plate between the urceolus, the spiral plate comprises last spiral plate and lower spiral plate of connecting, be equipped with a plurality of through-holes down on the spiral plate, side intake pipe entrance below the inner tube with follow between the urceolus the inner tube axial is equipped with a plurality of baffle.

Preferably, the baffle group comprises a first baffle group, a second baffle group and a third baffle group which are arranged from top to bottom, and the first baffle group, the second baffle group and the third baffle group respectively comprise a plurality of baffles which are uniformly distributed along the circumferential direction of the inner cylinder.

Preferably, the baffles of adjacent baffle groups are staggered and uniformly distributed.

Preferably, the bottom surface of the baffle is provided with a plurality of cone-shaped or triangular cone-shaped crushing cones, and the axes of the crushing cones are perpendicular to the bottom plate.

Preferably, a plurality of rotational flow plates are arranged on the inner side of the rotational flow cover.

Preferably, the side intake pipe is connected to the first fan through a pipe.

Preferably, the mixed liquid inlet pipe is connected with an ejector, and the ejector is respectively connected with the sewage circulating pump and the second fan through pipelines.

The utility model has the advantages that:

the utility model discloses utilize sewage circulating pump earlier, second fan and ejector carry out aeration oxygenation operation for the first time, the mixed liquid that obtains enters into the inner tube through mixing the feed liquor pipe in, then flow into between inner tube and the urceolus from the inner tube bottom, through baffle group back and high-pressure air remixing carry out secondary oxygenation operation, then in proper order through down the spiral plate, go up spiral plate and whirl lid and flow, the device utilizes baffle group and spiral plate to cut the bubble repeatedly, oxygenation efficiency is higher, effectively reduce the aeration resistance, and the device is difficult for blockking up, long service life.

Drawings

The accompanying drawings 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 invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic structural view of the aeration mechanism of the present invention;

fig. 3 is a plan view of a third baffle group of the present invention;

fig. 4 is a schematic structural diagram of the cyclone cover of the present invention.

Labeled as: 1. an aeration mechanism; 2. an inner barrel; 3. an outer cylinder; 4. a rotational flow cover; 5. a reinforcing plate; 6. a base plate; 7. a mixed liquid inlet pipe; 8. a side intake pipe; 9. an upper spiral plate; 10. a lower spiral plate; 11. a through hole; 12. a first baffle group; 13. a second baffle group; 14. a third baffle group; 15. a baffle plate; 16. a crushing cone; 17. a swirl plate; 18. a first fan; 19. an ejector; 20. a sewage circulating pump; 21. and a second fan.

Detailed Description

As shown in fig. 1 to 4, a rotary mixing type aeration device, comprises an aeration mechanism 1, the aeration mechanism 1 comprises an inner cylinder 2 and an outer cylinder 3, the inner cylinder 2 is arranged inside the outer cylinder 3, the bottom end of the inner cylinder 2 is open, the top of the outer cylinder 3 is provided with a rotational flow cover 4, the inner side of the rotational flow cover 4 is provided with a plurality of rotational flow plates 17, the bottom of the outer cylinder 3 is provided with a reinforcing plate 5 and a bottom plate 6, the reinforcing plate 5 is fixedly connected with the bottom plate 6, the top of the outer cylinder 3 is provided with a mixed liquid inlet pipe 7 communicated with the inner cylinder 2, the lower end of one side of the outer cylinder 3 is provided with a side air inlet pipe 8, wherein the side air inlet pipe 8 is connected with a first fan 18 through a pipeline, the mixed liquid inlet pipe 7 is connected with an ejector 19, the ejector 19 is respectively connected with a sewage circulating pump 20 and a second.

A spiral plate which can spirally rise is arranged between the inner barrel 2 and the outer barrel 3 above an inlet of the side air inlet pipe 8, the spiral plate is composed of an upper spiral plate 9 and a lower spiral plate 10 which are connected, a plurality of through holes 11 are arranged on the lower spiral plate 10, the mixing effect of air and liquid is improved, a plurality of baffle groups are arranged between the inner barrel 2 and the outer barrel 3 below the inlet of the side air inlet pipe 8 along the axial direction of the inner barrel 2, each baffle group comprises a first baffle group 12, a second baffle group 13 and a third baffle group 14 which are arranged from top to bottom, each of the first baffle group 12, the second baffle group 13 and the third baffle group 14 respectively comprises a plurality of baffles 15 which are uniformly distributed along the circumferential direction of the inner barrel 2, the baffles 15 of the adjacent baffle groups are uniformly distributed in a staggered mode, a plurality of conical or triangular pyramid-shaped crushing cones 16 are arranged on the bottom surface of each baffle 15, the axes of the, is torn and crushed by the crushing cone 16, and the oxygen transfer efficiency is improved.

The utility model discloses earlier utilize sewage circulating pump 20, second fan 21 and ejector 19 carry out aeration oxygenation operation for the first time, the mixed liquid that obtains enters into inner tube 2 through mixing feed liquor pipe 7 in, then flow into between inner tube 2 and the urceolus 3 from 2 bottoms of inner tube, carry out the secondary with the highly-compressed air remixing and oxygenate the operation after baffle group, then in proper order through lower spiral plate 10, go up

spiral plate

9 and 4 outflow of whirl lid, the device utilizes baffle group and spiral plate to cut the bubble repeatedly, oxygenate efficiency higher, effectively reduce the aeration resistance, and the device is difficult for blockking up, long service life.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a revolve and mix formula aeration equipment, its characterized in that, includes aeration equipment, aeration equipment includes inner tube and urceolus, the inner tube is located the inside of urceolus, just inner tube bottom opening, the urceolus top is equipped with the whirl lid, the urceolus bottom is equipped with reinforcing plate and bottom plate, the reinforcing plate with bottom plate fixed connection, the urceolus top be equipped with the communicating mixed feed liquor pipe of inner tube, the lower extreme of urceolus one side is equipped with side intake pipe, side intake pipe entrance top the inner tube with be equipped with spiral rising's spiral shell between the urceolus, the spiral shell comprises last spiral shell and lower spiral shell of connecting, be equipped with a plurality of through-holes down on the spiral shell, side intake pipe entrance below the inner tube with follow between the urceolus the inner tube axial is equipped with a plurality of.

2. The rotary mixing type aeration device according to claim 1, wherein the baffle groups comprise a first baffle group, a second baffle group and a third baffle group which are arranged from top to bottom, and the first baffle group, the second baffle group and the third baffle group respectively comprise a plurality of baffles which are uniformly distributed along the circumferential direction of the inner cylinder.

3. A rotary mixing aeration device according to claim 2, wherein said baffles of adjacent said baffle groups are uniformly staggered.

4. The vortex-mixing type aeration device according to claim 2, wherein the bottom surface of the baffle is provided with a plurality of cone-shaped or triangular cone-shaped crushing cones, and the axes of the crushing cones are perpendicular to the bottom plate.

5. A vortex-mixing aeration device according to claim 1, wherein a plurality of vortex plates are provided inside the vortex cover.

6. A rotary mixing aeration apparatus according to claim 1, wherein said side inlet pipes are connected to the first fan by pipes.

7. The rotary mixing type aeration apparatus according to claim 6, wherein the mixed liquid inlet pipe is connected to an ejector, and the ejector is connected to the sewage circulating pump and the second fan through pipes, respectively.