CN221166305U - Sewage treatment aeration device - Google Patents

Abstract

The utility model discloses a sewage treatment aeration device, which comprises an aeration tank, wherein an aeration piece is arranged in the aeration tank, a cover body is arranged on the aeration piece, a plurality of air outlet holes which are arranged in an array are formed in the cover body, the diameter of the aeration hole on the aeration piece is larger than that of the air outlet hole, a bottom plate is arranged in the cover body, and a plurality of sliding cylinders with the same size as the air outlet holes are arranged on the bottom plate. According to the sewage treatment aeration device, the aeration piece in the aeration tank is used for realizing the sewage purification by exposing bubbles, the large bubbles are converted into small bubbles to be discharged through the cover body and the air outlet holes in the cover body, the cover body is blocked by the sludge and pushed out by the sliding barrel on the bottom plate, the air outlet holes in the cover body are prevented from being blocked, and meanwhile, the connection part of the fixed block and the sliding block is sealed through the elastic piece in the fixed block and the air charging piece.

Description

Sewage treatment aeration device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment aeration device.

Background

The aeration tank is used for treating sewage by an activated sludge method, and a certain sewage residence time is provided in the tank, so that the oxygen amount required by aerobic microorganisms and the mixing condition that sewage and activated sludge are fully contacted are met.

According to publication (bulletin) No.: CN206204013U, publication (bulletin) day: 2017-05-31, the disclosed aeration device for sewage treatment comprises a stirring assembly for stirring a water body, a power assembly connected to the top of the stirring assembly for driving the stirring assembly to move, and a lifting assembly arranged at the bottom of the stirring assembly for lifting the water body below the stirring assembly; the stirring assembly comprises a plurality of blades uniformly distributed along the circumferential direction of the output end of the power assembly and a connecting plate connected between two adjacent blades, wherein the blades and the connecting plate are combined to form an inverted umbrella shape, a folded edge is arranged at the joint of the blades and the power assembly, and one side of each blade facing the lifting assembly is arc-shaped.

In the prior art and the special columns, the oxygen amount required by the aerobic microorganisms is provided by the aeration system, so that the larger the contact area between the bubbles generated by the aeration system and the tank is, the better the purifying effect is, but the larger the bubbles generated by the aeration system in the prior art are, the larger the contact area between the bubbles and the tank is, but the quantity of the bubbles is reduced, and the uniform purifying in the tank cannot be realized.

Disclosure of utility model

The utility model aims to provide a sewage treatment aeration device which realizes the change of large bubbles into small bubbles.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a sewage treatment aeration equipment, includes the aeration tank, be provided with the aeration piece in the aeration tank, be provided with the cover body on the aeration piece, set up a plurality of ventholes that are the array arrangement on the cover body, aeration hole diameter on the aeration piece is greater than the diameter of venthole, be provided with the bottom plate in the cover body, be provided with on the bottom plate a plurality of with the same slide of venthole size.

Preferably, the diameter of the bottom plate is smaller than the diameter of the aeration member.

Preferably, a plurality of fixing blocks are arranged in a circumferential array at the joint of the cover body and the aeration piece, and a predetermined gap is reserved between the plurality of fixing blocks so as to set a connecting rod.

Preferably, a sliding block is arranged in the fixed block in a sliding manner, the sliding block is arranged at the bottom of the cover body, and the fixed block is arranged on the aeration piece.

Preferably, the fixed block is internally symmetrically provided with an inflatable member, and the inner wall of the fixed block is wrapped with a sealing member communicated with the inflatable member.

Preferably, an elastic piece is arranged in the fixed block, and the elastic piece is a tension spring.

In the technical scheme, the sewage treatment aeration device provided by the utility model has the following beneficial effects: the aeration piece in the aeration tank realizes that the aeration piece exposes bubbles to purify sewage, large bubbles are converted into small bubbles to be discharged through the cover body and the air outlet holes on the cover body, and the cover body is pushed out of the sludge after being blocked by the sludge through the bottom plate and the sliding cylinder on the bottom plate, so that the air outlet holes on the cover body are prevented from being blocked.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic structural diagram of a base plate, a fixed block and a slider according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a fixing block according to an embodiment of the present utility model.

Reference numerals illustrate:

1. An aeration tank; 11. an aeration member; 12. a connecting rod; 13. a fixed block; 131. a seal; 132. an inflatable member; 133. an elastic member; 2. a cover body; 21. an air outlet hole; 22. a slide block; 3. a bottom plate; 31. a sliding cylinder.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in figures 1-3, the sewage treatment aeration device comprises an aeration tank 1, wherein an aeration piece 11 is arranged in the aeration tank 1, a cover body 2 is arranged on the aeration piece 11, a plurality of air outlet holes 21 which are arranged in an array are formed in the cover body 2, the diameter of the aeration holes on the aeration piece 11 is larger than that of the air outlet holes 21, a bottom plate 3 is arranged in the cover body 2, and a plurality of sliding drums 31 which are the same as the air outlet holes 21 in size are arranged on the bottom plate 3.

Specifically, during the use, aeration piece 11 in aeration tank 1 carries out the aeration, then through venthole 21 on the cover body 2, cuts a plurality of little bubbles of big bubble, can make sewage purification's more even when increasing the area of contact with sewage, after the venthole 21 on the cover body 2 blocks up, the rivers pass through between aeration piece 11 and the cover body 2 at this moment and are not smooth, just move back and promote bottom plate 3 upwards, make slide tube 31 upwards slide in venthole 21, release silt, cut the bubble again.

In the scheme, the aeration piece 11 in the aeration tank 1 realizes that the aeration piece exposes bubbles to purify sewage, the large bubbles are converted into small bubbles to be discharged through the cover body 2 and the air outlet holes 21 on the cover body 2, and the cover body 2 is plugged by the silt and then pushed out by the sliding drum 31 on the bottom plate 3 and the bottom plate 3, so that the air outlet holes 21 of the cover body 2 are prevented from being plugged.

As a further embodiment of the present invention, according to fig. 1 and 2, the diameter of the bottom plate 3 is smaller than the diameter of the aeration member 11.

Specifically, the diameter of the bottom plate 3 is smaller than the diameter of the aeration member 11, so that the bottom plate 3 can slide in the aeration member 11.

As a further provided embodiment of the present invention, as shown in fig. 1, 2 and 3, the junction of the hood 2 and the aeration member 11 is provided with a plurality of fixing blocks 13 arranged in a circumferential array, and a predetermined gap is left between the plurality of fixing blocks 13 to provide the connecting rod 12.

Further, a slider 22 is slidably provided in the fixed block 13, the slider 22 is provided at the bottom of the cover 2, and the fixed block 13 is provided on the aerator 11.

Further, the fixed block 13 is symmetrically provided with an air filling member 132, and the inner wall of the fixed block 13 is wrapped with a sealing member 131 communicated with the air filling member 132.

Further, an elastic member 133 is disposed in the fixed block 13, and the elastic member 133 is a tension spring.

Specifically, the normality of the cover body 2 is attached to the aeration member 11 through the elastic member 133 made of a tension spring material, the slider 22 can be extruded downwards in the fixed block 13 while attached, meanwhile, the inflatable member 132 at the bottom of the fixed block 13 is extruded, the gas in the inflatable member 132 is extruded into the sealing member 131, the joint of the slider 22 and the fixed block 13 is sealed, when the cover body 2 is blocked, the air bubble can push the cover body 2 upwards, the sealing is relieved at the same time, and water can enter between the aeration member 11 and the cover body 2 through a gap at the moment and a large amount of water can push the bottom plate 3 upwards through external surging to finish pushing mud.

Working principle: the normality of the cover body 2 is attached to the aeration member 11 through the elastic member 133 made of tension spring materials, the slider 22 can be extruded downwards in the fixed block 13 while attaching, the inflatable member 132 at the bottom of the fixed block 13 is extruded simultaneously, the gas in the inflatable member 132 is extruded into the sealing member 131, the joint of the slider 22 and the fixed block 13 is sealed, when the cover body 2 is blocked, the air bubble can push the cover body 2 upwards, the sealing is relieved simultaneously, at this moment, water can enter between the aeration member 11 and the cover body 2 through the gap, a large amount of water can push the bottom plate 3 upwards through external surging, the sliding barrel 31 slides upwards in the air outlet 21, sludge is pushed out, then the large air bubble is cut into a plurality of small air bubbles through the air outlet 21 on the cover body 2, and the contact area with sewage is increased, and meanwhile the sewage purification can be more uniform.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The utility model provides a sewage treatment aeration equipment, its characterized in that, including aeration tank (1), be provided with aeration piece (11) in aeration tank (1), be provided with on aeration piece (11) cover body (2), set up a plurality of ventholes (21) that are the array arrangement on cover body (2), aeration hole diameter on aeration piece (11) is greater than the diameter of venthole (21), be provided with bottom plate (3) in cover body (2), be provided with on bottom plate (3) a plurality of with slide (31) that the venthole (21) size is the same.

2. A sewage treatment aeration device according to claim 1, characterized in that the diameter of the bottom plate (3) is smaller than the diameter of the aeration member (11).

3. A sewage treatment aeration device according to claim 1, wherein a plurality of fixing blocks (13) are arranged in a circumferential array at the joint of the cover body (2) and the aeration member (11), and a predetermined gap is left between the plurality of fixing blocks (13) to provide a connecting rod (12).

4. A sewage treatment aeration device according to claim 3, characterized in that a slider (22) is slidably provided in the fixed block (13), the slider (22) is provided at the bottom of the housing (2), and the fixed block (13) is provided on the aeration member (11).

5. The sewage treatment aeration device according to claim 4, wherein the fixed block (13) is internally and symmetrically provided with an air charging member (132), and the inner wall of the fixed block (13) is wrapped with a sealing member (131) communicated with the air charging member (132).

6. A sewage treatment aeration device according to claim 5, wherein an elastic member (133) is provided in the fixed block (13), and the elastic member (133) is a tension spring.