CN213202541U

CN213202541U - Flat plate aerator

Info

Publication number: CN213202541U
Application number: CN202021531757.0U
Authority: CN
Inventors: 常军哲
Original assignee: Shijiazhuang Jiangyuan Water Treatment Co ltd
Current assignee: Shijiazhuang Jiangyuan Water Treatment Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-14
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a flat plate aerator, which belongs to the technical field of aerators and comprises an air cover, a sealing ring, an air inlet pipe, a second cavity, a second connecting channel and a check ball, wherein the air cover is provided with an aeration flat plate, a plurality of aeration holes are uniformly distributed on the aeration flat plate, and a microporous membrane is arranged above the aeration flat plate; a plurality of air distribution pipes are uniformly arranged below the air hood, air inlet pipes are arranged below the air distribution pipes, a first cavity is arranged between the upper part of the air inlet pipe and the air distribution pipes, a second cavity is arranged below the first cavity, and a third cavity is arranged below the second cavity; and a plurality of buffer plates are arranged on the inner walls of the left side and the right side of the third cavity in a staggered manner, and check balls are arranged below the springs. The utility model discloses a cooperation between the spring that sets up and the check ball is used, can prevent that the negative pressure that produces when stopping the air feed after the aeration from leading to the silt backward flow in the water body.

Description

Flat plate aerator

Technical Field

The utility model belongs to the technical field of the aerator, specifically a flat plate aerator.

Background

The aerator is a device for increasing the oxygen content in the water body, and can perform oxidative decomposition on organic matters in sewage under the condition of ensuring that microorganisms in the water body exist enough dissolved oxygen. The flat plate aerator is a flat plate membrane aerator, which is suitable for urban sewage and large-scale factory new construction and old aeration tank reconstruction. Most of the existing flat plate aerators are connected with an air inlet channel below an aeration flat plate, the surface area of the aeration flat plate is usually large, the cross-sectional area of the air inlet channel is relatively small, the phenomenon of uneven aeration is easily caused in the use process, and in addition, the diaphragm on the aeration flat plate is easily damaged due to the fact that the air flow speed during air inlet is too large, and the service life of the diaphragm is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat plate aerator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a flat plate aerator comprises an air cover, a sealing ring, an air inlet pipe, a second cavity, a second connecting channel and a check ball, wherein an aeration flat plate is arranged on the air cover, a plurality of aeration holes are uniformly distributed in the aeration flat plate, and a microporous membrane is arranged above the aeration flat plate; a plurality of air distribution pipes are uniformly arranged below the air hood, air inlet pipes are arranged below the air distribution pipes, a first cavity is arranged between the upper part of the air inlet pipe and the air distribution pipes, a second cavity is arranged below the first cavity, and a third cavity is arranged below the second cavity; a plurality of buffer plates are arranged on the inner walls of the left side and the right side of the third cavity in a staggered mode, two springs are symmetrically arranged on one side, close to the first connecting channel, of the second cavity, and check balls are arranged below the springs.

As a further aspect of the present invention: the upper opening of the inner wall of the gas hood is provided with a first groove, and the outer edge of the aeration flat plate is provided with a second groove.

As a further aspect of the present invention: a first connecting channel is arranged between the first cavity and the second cavity.

As a further aspect of the present invention: and a second connecting channel is arranged between the second cavity and the third cavity.

As a further aspect of the present invention: and a sealing ring is arranged between the first groove and the second groove.

Compared with the prior art, the beneficial effects of the utility model are that: the air tightness of the connection between the aeration flat plate and the air hood can be improved through the matching use of the first groove, the second groove and the sealing ring; the aeration of the aeration flat plate can be more uniform through the plurality of air distribution pipes, and the aeration effect is better; the arranged buffer plate can reduce the speed of the gas, so that the microporous membrane is prevented from being impacted when the gas is aerated at an excessively high speed, the microporous membrane is damaged, and the service life of the microporous membrane is shortened; through the cooperation use between the spring that sets up and the check ball, can prevent that the negative pressure that produces from resulting in the internal silt backward flow of water when stopping the air feed after the aeration finishes.

Drawings

Fig. 1 is a schematic structural view of a flat plate aerator.

Fig. 2 is a schematic top view of a flat plate aerator.

Fig. 3 is an enlarged schematic view of a structure a of a flat plate aerator.

In the figure: 1. a gas hood; 2. an aeration flat plate; 3. a microporous membrane; 4. a first groove; 5. a second groove; 6. a seal ring; 7. an aeration hole; 8. an air distribution pipe; 9. an air inlet pipe; 10. a first cavity; 11. a second cavity; 12. a first connecting channel; 13. a third cavity; 14. a buffer plate; 15. a second connecting channel; 16. a check ball; 17. a spring.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a flat plate aerator includes an air cover 1, a sealing ring 6, an air inlet pipe 9, a second cavity 11, a second connecting channel 15 and a check ball 16; install aeration flat board 2 on the gas hood 1, the equipartition is provided with a plurality of aeration holes 7 on the aeration flat board 2, adopt threaded connection between aeration flat board 2 and the gas hood 1, the top of aeration flat board 2 is provided with micropore diaphragm 3, the inner wall upper shed of gas hood 1 is provided with first recess 4, the outside edge of aeration flat board 2 is provided with second recess 5, install sealing washer 6 between first recess 4 and the second recess 5, can increase the gas tightness of being connected between aeration flat board 2 and the gas hood 1 through the sealing washer 6 that sets up.

A plurality of gas distribution pipes 8 are installed to the below equipartition of gas hood 1, the lower extreme of gas distribution pipe 8 assembles together, can make aeration flat board 2 aeration more even through setting up many gas distribution pipes 8, the aeration effect is better, intake pipe 9 is installed to the below of many gas distribution pipes 8, be provided with first cavity 10 between the top of intake pipe 9 and the gas distribution pipe 8, the below of first cavity 10 is provided with second cavity 11, be provided with first connecting channel 12 between first cavity 10 and the second cavity 11, the below of second cavity 11 is provided with third cavity 13, be provided with second connecting channel 15 between second cavity 11 and the third cavity 13.

The staggered arrangement of a plurality of buffer plates 14 on the inner wall of the left side and the right side of the third cavity 13 can slow down gas through the buffer plates 14 arranged, impact is caused to the microporous membrane 3 when the gas velocity is too fast aerated, the microporous membrane 3 is damaged, the service life of the microporous membrane 3 is prolonged, two springs 17 are symmetrically arranged on one side of the second cavity 11 close to the first connecting channel 12, a check ball 16 is arranged below the springs 17, when the gas is fed from bottom to top through the gas inlet pipe 9, the gas pressure generated by the gas pushes the check ball 16 upwards, the second cavity 11 is communicated with the second connecting channel 15, when the gas is stopped to be fed, the check ball 16 blocks the second connecting channel 15 under the action of the springs 17, and the water body can be prevented from being subjected to negative pressure backflow diversion, so that silt in the water body is caused.

The utility model discloses a theory of operation is: when admitting air through intake pipe 9, at first carry out the deceleration through buffer board 14 to gas, then through the effect of upper and lower atmospheric pressure difference, gas upwards promotes check ball 16, make second cavity 11 and second connect through 15 intercommunications, gas upwards moves, after the even gas distribution of gas distribution pipe 8, in proper order through aeration hole 7 and the 3 aeration blowout of micropore diaphragm, after the aeration is accomplished, intake pipe 9 stops the air feed, make check ball 16 block up second connecting channel 15 through the effect of spring 17, prevent that the negative pressure difference that forms from making the internal silt of water refluence.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A flat plate aerator comprises an air hood (1), a sealing ring (6), an air inlet pipe (9), a second cavity (11), a second connecting channel (15) and a check ball (16), and is characterized in that an aeration flat plate (2) is arranged on the air hood (1), a plurality of aeration holes (7) are uniformly distributed on the aeration flat plate (2), and a microporous membrane (3) is arranged above the aeration flat plate (2); a plurality of air distribution pipes (8) are uniformly arranged below the air hood (1), air inlet pipes (9) are arranged below the air distribution pipes (8), a first cavity (10) is arranged between the upper part of the air inlet pipes (9) and the air distribution pipes (8), a second cavity (11) is arranged below the first cavity (10), and a third cavity (13) is arranged below the second cavity (11); a plurality of buffer plates (14) are arranged on the inner walls of the left side and the right side of the third cavity (13) in a staggered mode, two springs (17) are symmetrically arranged on one side, close to the first connecting channel (12), of the second cavity (11), and check balls (16) are arranged below the springs (17).

2. The flat plate aerator as claimed in claim 1, characterized in that the inner wall of the gas hood (1) is provided with first grooves (4) at the upper mouth and the outer edge of the aeration flat plate (2) is provided with second grooves (5).

3. A flat bed aerator as claimed in claim 1, characterised in that a first connecting channel (12) is arranged between said first chamber (10) and said second chamber (11).

4. A flat bed aerator as claimed in claim 1, characterised in that a second connecting channel (15) is arranged between the second chamber (11) and the third chamber (13).

5. A flat bed aerator as claimed in claim 2, characterised in that between said first (4) and second (5) grooves there are fitted sealing rings (6).