CN216336832U

CN216336832U - Integration MBR sewage treatment device

Info

Publication number: CN216336832U
Application number: CN202122082104.XU
Authority: CN
Inventors: 许生军; 苏园园; 戴佳亮; 李洁
Original assignee: Xingyuan Environment Technology Co ltd; ZHEJIANG SUPER MAX ENVIRONMENTAL ENGINEERING CO LTD
Current assignee: Xingyuan Environment Technology Co ltd; ZHEJIANG SUPER MAX ENVIRONMENTAL ENGINEERING CO LTD
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-19
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly relates to integrated MBR sewage treatment equipment, which comprises an MBR membrane pool, an MBR membrane group and an aeration device, wherein the aeration device comprises a mounting disc, a rotary disc, a gas pipe and a plurality of aeration heads, a connecting column is arranged at the center of the mounting disc, the rotary disc is rotatably arranged on the connecting column, a circular groove is formed in the center of the mounting disc, the rotary disc is buckled on the circular groove to form a gas storage cavity, a plurality of stirring plates are arranged on the rotary disc, gas outlet cavities are formed in the stirring plates, a plurality of mounting holes are formed in one side of each stirring plate, the plurality of aeration heads are fixedly arranged in the mounting holes, gas inlet holes are formed in the bottom of the connecting column and penetrate through the mounting disc, a plurality of circumferentially distributed gas outlet grooves are formed in the connecting column, an air blower is arranged on the MBR membrane pool, the gas outlet of the air blower is communicated with the gas pipe, and the gas pipe is communicated with the gas inlet holes. The aeration head of the conventional aeration device is fixedly arranged, the aeration is not uniform enough, and the problem of poor flushing effect on an MBR membrane group is solved.

Description

Integration MBR sewage treatment device

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to integrated MBR sewage treatment equipment.

Background

MBR is a membrane bioreactor for short, and is a novel water treatment technology organically combining a membrane separation technology and a biotechnology. The membrane bioreactor technology intercepts the active sludge and macromolecular organic matters in the biochemical reaction tank by a membrane separation technology, so that the concentration of the active sludge is greatly improved, and the function of the bioreactor is greatly enhanced. The method has the advantages of high-efficiency solid-liquid separation, excellent and stable effluent quality, small occupied area, no need of a secondary sedimentation tank, centralized process equipment, high activated sludge concentration, small residual sludge amount, high nitrification efficiency, easy automatic control, simple operation, low treatment cost, easy realization of automatic control and the like.

Current integration MBR sewage treatment device all is provided with aeration mechanism in the below of MBR membrane group, and aeration mechanism includes aeration pipe and aeration head, and the aeration head setting is in MBR membrane group below, through the air-blower, makes the continuous fixed point of aeration head spout to MBR membrane group in succession, washes MBR membrane group, prevents that MBR membrane group from blockking up.

But the aeration head of the existing aeration device is fixedly arranged, the aeration is not uniform enough, and the washing effect on the MBR membrane group is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model aims to provide an integrated MBR sewage treatment device, which solves the problems that the aeration head of the conventional aeration device is fixedly arranged, the aeration is not uniform enough, and the washing effect on an MBR membrane group is poor.

The utility model solves the technical problems by the following technical means:

an integrated MBR sewage treatment device comprises an MBR membrane pool, an MBR membrane group and an aeration device, wherein the aeration device comprises a mounting disc, a rotary disc, a gas pipe and a plurality of aeration heads, the mounting disc is fixedly arranged below the MBR membrane group, a connecting column is arranged at the center of the mounting disc, the rotary disc is rotatably arranged on the connecting column, a circular groove is arranged at the center of the mounting disc, the rotary disc is buckled on the circular groove to form a gas storage cavity, a plurality of stirring plates are arranged on the rotary disc, gas outlet cavities are arranged in the stirring plates and are communicated with the gas outlet cavities, a plurality of mounting holes are arranged at one side of each stirring plate, the aeration heads are fixedly arranged in the mounting holes, gas inlet holes are arranged at the bottom of the connecting column and penetrate through the mounting disc, a plurality of gas outlet grooves distributed circumferentially are arranged on the connecting column, and are communicated with the gas storage cavities through the gas outlet grooves, and an air blower is arranged on the MBR membrane tank, an air outlet of the air blower is communicated with an air delivery pipe, and the air delivery pipe is communicated with an air inlet.

Further, the MBR membrane group comprises a mounting frame and a plurality of MBR membranes, the MBR membranes are fixedly connected with the mounting frame, supporting legs are arranged at the bottom of the mounting frame, through holes are formed in the supporting legs of the mounting disc, the supporting legs are inserted into the through holes, and the mounting disc is fixedly connected with the supporting legs.

Furthermore, a gas transmission channel is formed in the supporting leg, the gas transmission channel penetrates through the mounting frame along the vertical direction of the supporting leg, the gas transmission pipe is located below the mounting disc, the supporting leg is provided with a connecting hole in the position of the gas transmission pipe, one end of the gas transmission pipe is communicated with the gas inlet hole, the other end of the gas transmission pipe is communicated with the connecting hole, and the gas outlet of the air blower is communicated with the upper end of the gas transmission pipe.

Further, the mounting disc is provided with a positioning ring outside the circular groove, the rotating disc is provided with a first sealing ring outside the positioning ring, and the rotating disc is provided with a second sealing ring inside the positioning ring.

Further, a sealing bearing is arranged at the joint of the rotating disc and the connecting column, the sealing bearing is sleeved outside the connecting column, a sealing fixing head is arranged at the top of the connecting column, and the lower surface of the sealing fixing head is in contact with the upper surface of the rotating disc.

The utility model has the beneficial effects that:

according to the integrated MBR sewage treatment equipment, the stirring plate is arranged on the mounting disc and the rotating disc, when gas is sprayed out of the aeration head, the stirring plate is pushed to rotate through the reaction force between the gas and the sewage, and the stirring plate drives the aeration head to move, so that the aeration head performs rotary aeration below the MBR membrane group, the aeration uniformity is ensured, and the aeration effect is improved; and the stirring plate rotates to enable the sewage to rotate, the rotating sewage scours the MBR membrane group, the sludge attached to the MBR membrane is washed, the MBR membrane is prevented from being blocked, and the filtering effect of the MBR membrane is ensured.

Drawings

FIG. 1 is a schematic sectional view of an integrated MBR sewage treatment device;

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

FIG. 3 is a schematic sectional view of an integrated MBR sewage treatment device of the present invention;

FIG. 4 is a schematic sectional and disassembled structure diagram of an aeration device in the integrated MBR sewage treatment equipment.

The MBR membrane pool comprises an MBR membrane pool 1, an MBR membrane group 2, a mounting frame 21, a supporting leg 211, an air transmission channel 212, a connecting hole 213, an MBR membrane 22, an aeration device 3, a mounting disc 31, a connecting column 311, an air inlet 312, an air outlet groove 313, a through hole 314, a circular groove 315, a positioning ring 316, a rotating disc 32, a first sealing ring 321, a second sealing ring 322, a sealing bearing 323, an air transmission pipe 33, an aeration head 34, an air storage chamber 4, a stirring plate 5, an air outlet chamber 51, a mounting hole 52, an air blower 6 and a sealing fixing head 7.

Detailed Description

The utility model will be described in detail below with reference to the following figures and specific examples:

as shown in fig. 1-4, the integrated MBR sewage treatment equipment of the utility model comprises an MBR membrane pool 1, an MBR membrane group 2 and an aeration device 3, wherein the aeration device 3 comprises a mounting disc 31, a rotating disc 32, an air pipe 33 and a plurality of aeration heads 34, the mounting disc 31 is fixedly mounted below the MBR membrane group 2, a connecting column 311 is arranged at the center of the mounting disc 31, the rotating disc 32 is rotatably mounted on the connecting column 311, a circular groove 315 is formed at the center of the mounting disc 31, the rotating disc 32 is buckled on the circular groove 315 to form an air storage chamber 4, a plurality of stirring plates 5 are arranged on the rotating disc 32, an air outlet chamber 51 is formed in each stirring plate 5, the air storage chamber 4 is communicated with the air outlet chamber 51, a plurality of mounting holes 52 are formed in one side of each stirring plate 5, the plurality of aeration heads 34 are fixedly mounted in the mounting holes 52, an air inlet 312 is formed at the bottom of the connecting column 311, the air inlet 312 penetrates through the mounting disc 31, a plurality of air outlet grooves 313 distributed circumferentially are formed in the connecting column 311, the air inlet hole 312 communicates with the air storage chamber 4 through the air outlet groove 313. An air blower 6 is installed on the MBR membrane tank 1, the air outlet of the air blower 6 is communicated with an air delivery pipe 33, and the air delivery pipe 33 is communicated with an air inlet 312. Air-blower 6 during operation, impress gas in the inlet port 312 through gas-supply pipe 33, the rethread goes out the gas tank 313 and enters into in the gas storage chamber 4, gaseous back in the gas storage chamber 4, even entering into each goes out in the gas chamber 51, from the aeration head 34 blowout stirring board 5 with going out the gas chamber 51 intercommunication again, form the air current, after the air current gets into sewage, promote through reaction force and stir 5 rotations of board, when stirring board 5 rotates, drive aeration head 34 and remove, make aeration head 34 carry out rotatory aeration in MBR membrane group 2 below, guarantee the homogeneity of aeration, promote the aeration effect. And mix 5 rotations of board and make sewage rotatory, rotatory sewage erodees MBR membrane group 2, washes the adnexed mud on MBR membrane 22, avoids MBR membrane 22 to be blockked up, guarantees MBR membrane 22's filter effect.

MBR membrane group 2 includes mounting bracket 21 and a plurality of MBR membrane 22, a plurality of MBR membrane 22 and mounting bracket 21 fixed connection, and the bottom of mounting bracket 21 sets up supporting legs 211, and mounting disc 31 has seted up through-hole 314 in supporting legs 211 department, and supporting legs 211 inserts and locates in through-hole 314, mounting disc 31 and supporting legs 211 fixed connection. Through installing mounting disc 31 on supporting legs 211 of mounting bracket 21 below, when taking out MBR membrane group 2, can take out aeration equipment 3 in the lump, simple, convenient, swift, and need not additionally to fix aeration equipment 3.

An air conveying channel 212 is formed in the supporting leg 211, the air conveying channel 212 penetrates through the mounting frame 21 along the vertical direction of the supporting leg 211, the air conveying pipe 33 is located below the mounting disc 31, a connecting hole 213 is formed in the position, on the air conveying pipe 33, of the supporting leg 211, one end of the air conveying pipe 33 is communicated with the air inlet hole 312, the other end of the air conveying pipe 33 is communicated with the connecting hole 213, and an air outlet of the air blower 6 is communicated with the upper end of the air conveying pipe 33. When the blower 6 works, the air output from the air outlet of the blower 6 is conveyed through the air conveying channel 212 in the supporting leg 211, so that the length of the air conveying pipe 33 can be shortened, and the trouble that the air conveying pipe 33 needs to be fixed for many times due to overlong length is avoided.

The mounting plate 31 is provided with a positioning ring 316 outside the circular groove 315, the rotating plate 32 is provided with a first sealing ring 321 outside the positioning ring 316, and the rotating plate 32 is provided with a second sealing ring 322 inside the positioning ring 316. Through setting up the holding ring 316, when stirring board 5 drives rotary disk 32 and rotates, the holding ring 316 can prevent the radial skew of rotary disk 32, through setting up first sealing ring 321 and second sealing ring 322, guarantees the leakproofness of gas storage chamber 4, avoids the gas in the gas storage chamber 4 to leak from holding ring 316.

The sealing bearing 323 is arranged at the joint of the rotating disc 32 and the connecting column 311, the sealing bearing 323 is sleeved outside the connecting column 311, and the rotating disc 32 can rotate conveniently by arranging the sealing bearing 323. The top of spliced pole 311 is provided with sealed fixed head 7, and the lower surface of sealed fixed head 7 contacts with the upper surface of rotary disk 32, and through setting up sealed fixed head 7, when stirring board 5 drove rotary disk 32 and rotates, sealed fixed head 7 can prevent rotary disk 32 axial deflection.

When the integrated MBR sewage treatment equipment is used, the operation of the air blower 6 is controlled, the gas in the gas outlet of the air blower 6 is pressed into the gas inlet 312 through the gas conveying pipe 33 and then enters the gas storage cavity 4 through the gas outlet groove 313, the gas uniformly enters each gas outlet cavity 51 after entering the gas storage cavity 4, the stirring plate 5 is ejected out of the aeration head 34 communicated with the gas outlet cavities 51 to form gas flow, the stirring plate 5 is pushed to rotate through reaction force after the gas flow enters the sewage, and the aeration head 34 is driven to move to perform rotary aeration when the stirring plate 5 rotates, so that the uniformity of the aeration is ensured. And the stirring plate 5 rotates to rotate the sewage, and the rotating sewage scours the MBR membrane group 2 and washes the sludge attached to the MBR membrane 22.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.

Claims

1. The utility model provides an integration MBR sewage treatment device, includes MBR membrane cisterna, MBR membrane group and aeration equipment, its characterized in that: the aeration device comprises an installation disc, a rotary disc, a gas pipe and a plurality of aeration heads, wherein the installation disc is fixedly installed below an MBR membrane group, a connecting column is arranged at the center of the installation disc, the rotary disc is rotatably installed on the connecting column, a circular groove is formed at the center of the installation disc, the rotary disc is buckled on the circular groove to form a gas storage cavity, a plurality of stirring plates are arranged on the rotary disc, a gas outlet cavity is formed in each stirring plate, the gas storage cavity is communicated with the gas outlet cavity, a plurality of installation holes are formed in one side of each stirring plate, the plurality of aeration heads are fixedly installed in the installation holes, an air inlet hole is formed in the bottom of the connecting column and penetrates through the installation disc, a plurality of circumferentially distributed gas outlet grooves are formed in the connecting column, the air inlet hole is communicated with the gas storage cavity through the gas outlet grooves, an air blower is installed on an MBR membrane pool, and the gas outlet of the gas pipe is communicated with the MBR membrane group, the gas pipe is communicated with the gas inlet.

2. The integrated MBR sewage treatment device of claim 1, wherein: the MBR membrane group comprises a mounting frame and a plurality of MBR membranes, the MBR membranes are fixedly connected with the mounting frame, supporting legs are arranged at the bottom of the mounting frame, through holes are formed in the positions, located at the supporting legs, of the mounting disc, the supporting legs are inserted into the through holes, and the mounting disc is fixedly connected with the supporting legs.

3. The integrated MBR sewage treatment device of claim 2, wherein: the supporting legs are internally provided with a gas transmission channel, the gas transmission channel penetrates through the mounting frame along the vertical direction of the supporting legs, the gas transmission pipe is located below the mounting disc, the supporting legs are provided with connecting holes at the positions of the gas transmission pipe, one end of the gas transmission pipe is communicated with the gas inlet hole, the other end of the gas transmission pipe is communicated with the connecting holes, and the gas outlet of the air blower is communicated with the upper end of the gas transmission pipe.

4. The integrated MBR sewage treatment device of claim 3, wherein: the mounting disc is provided with the holding ring outside the circular slot, the rotary disk sets up first sealing ring in the outside of holding ring, the rotary disk is provided with the second sealing ring in the inboard of holding ring.

5. The integrated MBR sewage treatment device of claim 4, wherein: the sealing device is characterized in that a sealing bearing is arranged at the joint of the rotating disc and the connecting column, the sealing bearing is sleeved outside the connecting column, a sealing fixing head is arranged at the top of the connecting column, and the lower surface of the sealing fixing head is in contact with the upper surface of the rotating disc.