CN214299469U

CN214299469U - Air recycling type MCR aeration device

Info

Publication number: CN214299469U
Application number: CN202022453362.XU
Authority: CN
Inventors: 马轲; 冯源; 王哲成
Original assignee: Zhejiang Yubang Environmental Technology Co ltd
Current assignee: Zhejiang Yubang Environmental Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-28
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a water treatment technical field just discloses an air cycle utilizes formula MCR aeration equipment, including the ultrafiltration membrane pond, the inside fixedly connected with MCR membrane module in ultrafiltration membrane pond, the top fixedly connected with top cap in ultrafiltration membrane pond, the top swing joint of top cap has one end to run through and extend to the bull stick of ultrafiltration membrane pond inside, the top fixedly connected with driving motor of top cap, driving motor's output shaft fixedly connected with initiative awl tooth, the driven awl tooth of top fixedly connected with of bull stick surface. This air cycle utilizes formula MCR aeration equipment, overall structure is simple, through the inside and the top to sewage aeration, rotatory aeration dish of going up simultaneously makes air and sewage fully contact for aeration efficiency, and circulate sewage, increase the aeration time, thereby reach the purpose that aeration quality and aeration are efficient, satisfied people's growing sewage treatment demand, convenient to use.

Description

Air recycling type MCR aeration device

Technical Field

The utility model relates to the technical field of water treatment, in particular to an air circulation utilization type MCR aeration device.

Background

The aeration refers to the process of forcibly transferring oxygen in the air into the liquid, and aims to obtain enough dissolved oxygen, and in addition, the aeration also has the purposes of preventing suspension in the tank from sinking and strengthening the contact of organic matters in the tank with 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.

In the activated sludge process of the waste water, the dissolved oxygen of the mixed liquor must be supplied by an aeration method, the aeration method adopted by the aeration tank of the activated sludge process can be divided into a bubble aeration method and a surface aeration method, the existing air recycling type MCR aeration device on the market at present has the defect of low aeration efficiency, in the using process, the aeration is a means for leading the air to be in strong contact with the water, the purpose is to dissolve the oxygen in the air into the water, the existing aeration device has a single aeration structure, the sewage and the air are not sufficiently mixed, the aeration efficiency is low, and the increasing sewage treatment requirements of people are difficult to meet, so the air recycling type MCR aeration device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an air cycle utilizes formula MCR aeration equipment possesses advantages such as aeration efficiency height, has solved in the use, and aeration is the means that makes air and water contact strongly, and its aim at dissolves the oxygen in the air in aqueous, and current aeration equipment aeration structure is single, and sewage mixes inadequately with the air, leads to aeration inefficiency, is difficult to satisfy the problem of people's growing sewage treatment demand.

(II) technical scheme

In order to realize the purpose of high aeration efficiency, the utility model provides the following technical scheme: an air recycling type MCR aeration device comprises an ultrafiltration membrane tank, wherein an MCR membrane assembly is fixedly connected inside the ultrafiltration membrane tank, a top cover is fixedly connected to the top of the ultrafiltration membrane tank, one end of the top cover is movably connected with a rotating rod, the rotating rod penetrates through and extends to the inside of the ultrafiltration membrane tank, a driving motor is fixedly connected to the top of the top cover, driving bevel teeth are fixedly connected to an output shaft of the driving motor, driven bevel teeth are fixedly connected to the top of the outer surface of the rotating rod, the right sides of the driven bevel teeth are meshed with the tops of the driving bevel teeth, a rotating joint is fixedly connected to the top of the rotating rod, a circulating pipe is fixedly connected to the top of the rotating joint, an upper aeration disc is fixedly connected to the bottom of the rotating rod, a plurality of aeration rods are fixedly connected to the bottom of the upper aeration disc, and a water inlet pipe is communicated with the top of the left side of the ultrafiltration membrane tank, the left bottom fixedly connected with intake pipe of milipore filter pond, the left side fixedly connected with aeration fan of intake pipe, aeration fan's one end fixedly connected with lower aeration dish is kept away from to the intake pipe, aeration dish's top fixedly connected with quantity is a plurality of aeration head down, the bottom intercommunication on milipore filter pond right side has the circulating pump, the output fixedly connected with pipe of circulating pump.

Preferably, one end of the circulating pipe, which is far away from the rotary joint, penetrates through and extends to the interior of the ultrafiltration membrane tank, and is communicated with the left side of the lower aeration disc.

Preferably, the bottom of the left side of the ultrafiltration membrane tank is communicated with a water outlet pipe, and a plurality of aeration holes are formed in the outer surface of the ultrafiltration membrane tank.

Preferably, the MCR membrane module includes a membrane frame, a membrane and a filter filler, the filter filler is fixed on the inner side of the membrane frame, and the membrane is fixed on the top of the membrane frame.

Preferably, the upper aeration disc is positioned above the MCR membrane module, and the lower aeration disc is positioned below the MCR membrane module.

Preferably, the rotating rod is a hollow rotating rod, and the bottom of the rotating rod is communicated with the top of the upper aeration disc.

(III) advantageous effects

Compared with the prior art, the utility model provides an air cycle utilizes formula MCR aeration equipment possesses following beneficial effect:

the air recycling type MCR aeration device enters an ultrafiltration membrane pool through a water inlet pipe through sewage, is in contact with an MCR membrane component for filtration, conveys air into a lower aeration disc through an aeration fan, aerates the inside of the sewage through an aeration head, simultaneously generates bubbles, part of the air enters an upper aeration disc through a circulating pipe and a rotating rod, is discharged through aeration holes on the outer surface of the aeration rod, aerates the upper part of the sewage, simultaneously an output shaft of a driving motor drives a driving conical tooth to rotate, the top of the driving conical tooth is meshed with a driven conical tooth, so that the driven conical tooth drives the rotating rod to rotate and drives the upper aeration disc and the aeration rod to rotate, the aeration rod breaks the bubbles generated in the sewage, increases the contact area with the air and makes the bubbles fully contact with the air, and simultaneously, a circulating pump conveys the sewage at the bottom of the ultrafiltration membrane pool to the top of an inner cavity of the ultrafiltration membrane pool again through a guide pipe, make it the circulation aeration to increase aeration time, the device overall structure is simple, and through aerating to the inside and the top of sewage, rotatory aeration dish of going up simultaneously makes air and sewage fully contact for aeration efficiency, and circulates sewage, increases aeration time, thereby reaches the purpose that aeration quality and aeration are efficient, has satisfied people's ever-increasing sewage treatment demand, convenient to use.

Drawings

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

fig. 2 is a top view of the connection between the lower aeration plate and the aeration head of the present invention.

In the figure: the device comprises an ultrafiltration membrane pool 1, an MCR membrane component 2, a top cover 3, a rotating rod 4, a driving motor 5, a driving bevel gear 6, a driven bevel gear 7, a rotary joint 8, a circulating pipe 9, an upper aeration disc 10, an aeration rod 11, a water inlet pipe 12, a gas inlet pipe 13, an aeration fan 14, a lower aeration disc 15, an aeration head 16, a circulating pump 17 and a guide pipe 18.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an air recycling MCR aeration apparatus includes an ultrafiltration membrane tank 1, a water outlet pipe is communicated with the bottom of the left side of the ultrafiltration membrane tank 1, a plurality of aeration holes are formed on the outer surface of the ultrafiltration membrane tank 1, an MCR membrane module 2 is fixedly connected inside the ultrafiltration membrane tank 1, the MCR membrane module 2 includes a membrane frame, a membrane and a filter filler, the filter filler is fixed on the inner side of the membrane frame, the membrane is fixed on the top of the membrane frame, a top cover 3 is fixedly connected on the top of the ultrafiltration membrane tank 1, a rotating rod 4 with one end penetrating through and extending into the ultrafiltration membrane tank 1 is movably connected on the top of the top cover 3, a driving motor 5 is fixedly connected on the top of the top cover 3, the type of the driving motor 5 can be a155S45F, a driving bevel gear 6 is fixedly connected on the output shaft of the driving motor 5, a driven bevel gear 7 is fixedly connected on the top of the outer surface of the rotating rod 4, the right side of the driven bevel gear 7 is engaged with the top of the driving bevel gear 6, the top of the rotating rod 4 is fixedly connected with a rotating joint 8, the top of the rotating joint 8 is fixedly connected with a circulating pipe 9, the bottom of the rotating rod 4 is fixedly connected with an upper aeration disc 10, the rotating rod 4 is a hollow rotating rod, the bottom of the rotating rod 4 is communicated with the top of the upper aeration disc 10, the bottom of the upper aeration disc 10 is fixedly connected with a plurality of aeration rods 11, the top of the left side of the ultrafiltration membrane pool 1 is communicated with a water inlet pipe 12, the bottom of the left side of the ultrafiltration membrane pool 1 is fixedly connected with an air inlet pipe 13, the left side of the air inlet pipe 13 is fixedly connected with an aeration fan 14, one end of the air inlet pipe 13 far away from the aeration fan 14 is fixedly connected with a lower aeration disc 15, the upper aeration disc 10 is positioned above the MCR membrane component 2, the lower aeration disc 15 is positioned below the MCR membrane component 2, one end of the circulating pipe 9 far away from the rotating joint 8 penetrates through and extends into the ultrafiltration membrane pool 1 and is communicated with the left side of the lower aeration disc 15, aeration head 16 that the top fixedly connected with quantity of aeration dish 15 is a plurality of down, and the bottom intercommunication on ultrafiltration membrane tank 1 right side has circulating pump 17, and circulating pump 17's output fixedly connected with pipe 18, pipe 18 keep away from the one end of circulating pump 17 and run through and extend to the top of ultrafiltration membrane tank 1 inner chamber.

To sum up, the air recycling MCR aeration apparatus enters the inside of the ultrafiltration membrane tank 1 through the sewage from the water inlet pipe 12 and is in contact with the MCR membrane module 2 for filtration, the aeration fan 14 delivers air into the lower aeration disc 15 and aerates the inside of the sewage through the aeration head 16, and simultaneously generates air bubbles, a part of the air enters the upper aeration disc 10 through the circulating pipe 9 and the rotating rod 4 and is discharged through aeration holes on the outer surface of the aeration rod 11 and aerates the upper part of the sewage, at the same time, the output shaft of the driving motor 5 drives the driving bevel gear 6 to rotate, the top of the driving bevel gear 6 is engaged with the driven bevel gear 7, so that the driven bevel gear 7 drives the rotating rod 4 to rotate and drives the upper aeration disc 10 and the aeration rod 11 to rotate, the aeration rod 11 breaks the air bubbles generated in the sewage and increases the contact area with the air, so that the air is in full contact with the air, and simultaneously the circulating pump 17 delivers the sewage at the bottom of the ultrafiltration membrane tank 1 to the top of the inner cavity of the ultrafiltration membrane tank 1 again through the conduit 18 Make it the circulation aeration, and increase aeration time, the device overall structure is simple, through the inside and the top to sewage aeration, rotatory aeration dish 10 of going up simultaneously, make air and sewage fully contact, accelerate aeration efficiency, and circulate sewage, increase aeration time, thereby reach the purpose that aeration quality and aeration are efficient, people's growing sewage treatment demand has been satisfied, high durability and convenient use, solved in the use, aeration is the means that makes air and water contact strongly, its aim at dissolves the oxygen in the air in aqueous, current aeration equipment aeration structure is single, sewage mixes insufficiently with the air, lead to the aeration inefficiency, be difficult to satisfy the problem of people's growing sewage treatment demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An air recycling type MCR aeration device comprises an ultrafiltration membrane pool (1), and is characterized in that: the inner fixed connection of the ultrafiltration membrane tank (1) is an MCR membrane component (2), the top of the ultrafiltration membrane tank (1) is fixedly connected with a top cover (3), one end of the top cover (3) is movably connected with a rotating rod (4) with one end penetrating through and extending to the inner part of the ultrafiltration membrane tank (1), the top of the top cover (3) is fixedly connected with a driving motor (5), an output shaft of the driving motor (5) is fixedly connected with a driving conical tooth (6), the top of the outer surface of the rotating rod (4) is fixedly connected with a driven conical tooth (7), the right side of the driven conical tooth (7) is meshed with the top of the driving conical tooth (6), the top of the rotating rod (4) is fixedly connected with a rotary joint (8), the top of the rotary joint (8) is fixedly connected with a circulating pipe (9), and the bottom of the rotating rod (4) is fixedly connected with an upper aeration disc (10), go up aeration dish (10) bottom fixedly connected with quantity and be a plurality of aeration pole (11), the left top intercommunication of ultrafiltration membrane pond (1) has inlet tube (12), the left bottom fixedly connected with intake pipe (13) of ultrafiltration membrane pond (1), the left side fixedly connected with aeration fan (14) of intake pipe (13), aeration dish (15) under the one end fixedly connected with of aeration fan (14) are kept away from in intake pipe (13), the top fixedly connected with quantity of aeration dish (15) is a plurality of aeration head (16) down, the bottom intercommunication on ultrafiltration membrane pond (1) right side has circulating pump (17), the output fixedly connected with pipe (18) of circulating pump (17).

2. An air-recycling MCR aeration device according to claim 1 wherein: one end of the circulating pipe (9) far away from the rotary joint (8) penetrates through and extends into the ultrafiltration membrane tank (1), and is communicated with the left side of the lower aeration disc (15).

3. An air-recycling MCR aeration device according to claim 1 wherein: the bottom of the left side of the ultrafiltration membrane tank (1) is communicated with a water outlet pipe, and a plurality of aeration holes are formed in the outer surface of the ultrafiltration membrane tank (1).

4. An air-recycling MCR aeration device according to claim 1 wherein: the MCR membrane assembly (2) comprises a membrane frame, a membrane and a filter filler, wherein the filter filler is fixed on the inner side of the membrane frame, and the membrane is fixed on the top of the membrane frame.

5. An air-recycling MCR aeration device according to claim 1 wherein: the upper aeration disc (10) is positioned above the MCR membrane module (2), and the lower aeration disc (15) is positioned below the MCR membrane module (2).

6. An air-recycling MCR aeration device according to claim 1 wherein: the rotating rod (4) is a hollow rotating rod, and the bottom of the rotating rod (4) is communicated with the top of the upper aeration disc (10).