CN211813652U - Aeration tank for sewage treatment - Google Patents

Abstract

The utility model discloses an aeration tank for sewage treatment, comprising a cell body, air-blast spare and motor, the motor sets up the below at the cell body, be equipped with the axis of rotation of vertical setting in the cell body, the lower extreme of axis of rotation run through the cell body the lower lateral wall setting and with the output fixed connection of motor, be equipped with the live-wire tube that a plurality of levels set up in the cell body, a plurality of ventholes of fixedly connected with on the lateral wall of live-wire tube, the equal fixedly connected with sliding block of one end of every live-wire tube, be equipped with a plurality of sliding trays on the lateral wall of axis of rotation, sliding block and sliding tray sliding connection, fixedly connected with spring between the interior bottom surface of sliding tray. The utility model discloses be provided with sliding block and sliding tray, motor coupling is connected with variable frequency power supply, can drive the axis of rotation variable speed and rotate, makes the sliding block slide from top to bottom in the sliding tray to reciprocating motion about driving the rotating tube can stir pond water, guarantees the abundant contact of air and sewage, so that supply sufficient oxygen.

Description

Aeration tank for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field especially relates to an aeration tank for sewage treatment.

Background

The aeration tank is a structure for sewage treatment by an activated sludge method, and a certain sewage retention time is provided in the tank to meet the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact between sewage and activated sludge.

In sewage treatment's in-process, need continuous to let in the air in the aeration tank, the organic waste who makes microorganism in the cell body in the active sludge and the sewage in react, consequently needs air and sewage fully to contact, and some traditional aeration tanks only admit air through the inlet port of cell body bottom, not only make the venthole plugged up by mud easily, and the aeration mode is single moreover, still leads to the air in the pond and the contact degree of sewage limited easily, and aeration efficiency is lower.

Therefore, we propose an aeration tank for sewage treatment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the aeration efficiency of some traditional aeration tanks is lower in the prior art, and providing an aeration tank for sewage treatment which can effectively improve the aeration efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an aeration tank for sewage treatment, includes cell body, air-blast spare and motor, the motor sets up the below at the cell body, be equipped with the axis of rotation of vertical setting in the cell body, the lower extreme of axis of rotation run through the cell body the lower lateral wall set up and with the output fixed connection of motor, be equipped with the rotating tube that a plurality of levels set up in the cell body, a plurality of ventholes of fixedly connected with on the lateral wall of rotating tube, every the equal fixedly connected with sliding block of one end of rotating tube, be equipped with a plurality of sliding trays on the lateral wall of axis of rotation, sliding block and sliding tray sliding connection, fixedly connected with spring between the interior bottom surface of sliding tray and the sliding block, be equipped with communicating pipe in the axis of rotation, the one end and many rotating tubes intercommunication of communicating pipe, the other end and.

Preferably, the rotating shaft is connected with the lower side wall of the tank body in a sealing and rotating mode through a sealing bearing.

Preferably, the sliding blocks and the sliding grooves are arranged in a T shape in cross section.

Preferably, the upper end of the tank body is hinged with a net cover, and the side wall of the tank body is fixedly communicated with a plurality of pipelines.

Preferably, a mud-proof cover is arranged outside each air outlet, and the mud-proof cover is hinged on the side wall of the rotating pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up sliding block and sliding tray, motor coupling is connected with variable frequency power supply, can drive the axis of rotation variable speed and rotate, makes the sliding block slide from top to bottom in the sliding tray to drive rotating tube reciprocating motion from top to bottom, can stir pond water, guarantee the abundant contact of air and sewage, so that supply sufficient oxygen.

2. Through setting up the mud cover of preventing, when the venthole is given vent to anger, can prevent that the mud cover from breaking open during gas outgoing, can increase the dwell time of bubble in sewage at the in-process that prevents the mud cover of breaking open, also can separate into less bubble with great bubble, increase the area of contact with sewage, promote the oxygen suppliment, when gaseous stop supplying in addition, prevent that the mud cover can cover under the action of gravity on the venthole, can prevent that the mud in the pond from getting into to rotate intraductally.

Drawings

FIG. 1 is a schematic structural view of an aeration tank for sewage treatment according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of a connection mode of a rotating pipe and a rotating shaft in an aeration tank for sewage treatment according to the present invention;

fig. 4 is a schematic cross-sectional structure view of a transfer pipe in an aeration tank for sewage treatment according to the present invention.

In the figure: 1 pool body, 2 motors, 3 rotating shafts, 4 rotating pipes, 5 air outlet holes, 6 sliding blocks, 7 sliding grooves, 8 springs, 9 communicating pipes, 10 sealing bearings, 11 net covers and 12 mud-proof covers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, an aeration tank for sewage treatment, including cell body 1, air-blast spare (not shown in the figure) and motor 2, the air-blast spare can be the air-blower, for prior art, it does not do too much to describe here, motor 2 coupling is connected with variable frequency power supply, can realize variable speed rotation, it is worth mentioning, the upper end of cell body 1 articulates there is the net lid 11, can prevent that external debris from falling into in cell body 1, the fixed intercommunication has a plurality of pipelines on the cell body 1 lateral wall, be convenient for business turn over water and business turn over activated sludge, motor 2 sets up the below at cell body 1, be equipped with the axis of rotation 3 of vertical setting in cell body 1, the lower extreme of axis of rotation 3 runs through the lower lateral wall setting of cell body 1 and with the output fixed connection of motor 2, it needs to explain, axis of rotation 3 is connected with the lower lateral wall sealing rotation of.

The utility model discloses in, be equipped with the rotating tube 4 that a plurality of levels set up in the cell body 1, a plurality of ventholes of fixedly connected with 5 on the lateral wall of rotating tube 4, the equal fixedly connected with sliding block 6 of one end of every rotating tube 4 is equipped with a plurality of sliding trays 7 on the lateral wall of axis of rotation 3, sliding block 6 and 7 sliding connection of sliding tray, it is required to explain that the cross-section of sliding block 6 and sliding tray 7 all is the setting of T shape, and the design of T shape enables the joint more firm.

The utility model discloses in, fixedly connected with spring 8 between interior bottom surface of sliding tray 7 and the sliding block 6, be equipped with communicating pipe 9 in the axis of rotation 3, communicating pipe 9 is the hose, can take place corresponding deformation along with sliding block 6's removal, the one end and the many live-tubes 4 intercommunication of communicating pipe 9, the other end and the output intercommunication of blast air piece of communicating pipe 9, it needs to notice, every venthole 5 all is equipped with outward and prevents mud lid 12, it articulates on the lateral wall of live-tubes 4 to prevent mud lid 12, when gaseous stop supply, prevent that mud lid 12 can be covered on venthole 5 under the action of gravity, can prevent that the mud in the cell body 1 from getting into in the live-tubes 4.

The utility model discloses its functional principle is explained to following mode of operation of accessible: when the device is used, the motor 2 and the air blowing piece are started, the air blowing piece conveys air into the rotating pipe 4 through the communicating pipe 9, the air is discharged from the plurality of air outlet holes 5 on the rotating pipe 4, the mud-proof cover 12 is flushed away when the air is discharged, when the gas supply is stopped, the mud-proof cover 12 covers the gas outlet 5 under the action of gravity, so as to prevent the mud in the tank body 1 from entering the rotating pipe 4, the motor 2 is coupled with a variable frequency power supply and can drive the rotating shaft 3 to rotate at variable speed, when the rotation speed of the rotating shaft 3 is increased, the plurality of rotating pipes 4 on the rotating shaft 3 are moved upward by the centrifugal force, and when the rotation speed of the rotating shaft 3 is decreased, the rotating tube 4 is moved downward to be restored by the combined action of the elastic force of the spring 8 and its own weight, thereby realizing that the rotating pipe 4 moves up and down, stirring the water in the tank body 1, and promoting the biological reaction of sewage treatment in the tank body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. An aeration tank for sewage treatment comprises a tank body (1), a blowing part and a motor (2), and is characterized in that the motor (2) is arranged below the tank body (1), a vertically arranged rotating shaft (3) is arranged in the tank body (1), the lower end of the rotating shaft (3) penetrates through the lower side wall of the tank body (1) and is fixedly connected with the output end of the motor (2), a plurality of horizontally arranged rotating pipes (4) are arranged in the tank body (1), a plurality of air outlet holes (5) are fixedly connected on the side wall of each rotating pipe (4), a sliding block (6) is fixedly connected at one end of each rotating pipe (4), a plurality of sliding grooves (7) are arranged on the side wall of the rotating shaft (3), the sliding blocks (6) are slidably connected with the sliding grooves (7), and springs (8) are fixedly connected between the inner bottom surface of each sliding groove (7) and the sliding blocks (6), be equipped with communicating pipe (9) in axis of rotation (3), the one end and many rotating tubes (4) intercommunication of communicating pipe (9), the other end and the output intercommunication of blast air spare of communicating pipe (9).

2. An aeration tank for sewage treatment according to claim 1, characterized in that the rotating shaft (3) is connected with the lower side wall of the tank body (1) in a sealing and rotating way through a sealing bearing (10).

3. An aeration tank for sewage treatment according to claim 1, characterized in that the sliding block (6) and the sliding groove (7) are both T-shaped in cross section.

4. The aeration tank for sewage treatment according to claim 1, wherein the upper end of the tank body (1) is hinged with a net cover (11), and the side wall of the tank body (1) is fixedly communicated with a plurality of pipelines.

5. An aeration tank for sewage treatment according to claim 1, wherein a mud-proof cover (12) is provided outside each of the air outlet holes (5), and the mud-proof cover (12) is hinged to the side wall of the rotary pipe (4).

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