CN210419417U

CN210419417U - Aeration pipe for removing sludge at bottom of MBR (membrane bioreactor) membrane

Info

Publication number: CN210419417U
Application number: CN201920894125.1U
Authority: CN
Inventors: 王莹; 李雯; 石江波; 杨继成; 韩永良
Original assignee: Wonder Tianjin Environment Technology Protection Tech Co ltd
Current assignee: Wonder Tianjin Environment Technology Protection Tech Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-28
Anticipated expiration: 2029-06-13

Abstract

The utility model relates to an aeration pipe technical field for removing sludge at the bottom of an MBR membrane, and discloses an aeration pipe for removing sludge at the bottom of the MBR membrane, which comprises a table, a box body fixedly arranged above the table, holes arranged on the box body and the table, and a straight pipe arranged below the table, wherein the front end of the straight pipe is fixedly connected with an external air blower, the utility model is provided with a fan blade, when air flow blows to the interior of the box body along an exhaust pipe, the air flow blows a fan-shaped rotation, the fan-shaped rotation stirs water for moving the bottom of the box body, the stirred water stirs the sludge at the bottom of the box body and the sludge at the bottom of the MBR membrane, the stirred sludge can become foam floating through the aeration process of the interior of the box body by the aeration pipe, the arrangement reduces the advantage of sludge accumulation, and solves the problem that the sludge accumulation can cover part of membrane filaments, thereby affecting the use area of the membrane and reducing the water flux of the membrane.

Description

Aeration pipe for removing sludge at bottom of MBR (membrane bioreactor) membrane

Technical Field

The utility model relates to a clear away aeration pipe technical field of MBR membrane bottom silt specifically is an aeration pipe for clearing away MBR membrane bottom silt.

Background

In sewage treatment, the water resource field of recycling, MBR is also known as membrane bioreactor, is a novel water treatment technology that combines together by activated sludge process and membrane separation technique, and MBR membrane is at the operation in-process, and the long-pending mud phenomenon of bottom membrane shell takes place easily, and general aeration pipe just aerifys to the pond that MBR membrane is in, lets the impurity vaporization in the pond float, but long-pending mud phenomenon can cover partial membrane silk, thereby influence the usable floor area of membrane, reduce the product flux of membrane.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an aeration pipe for driving MBR membrane bottom silt possesses advantages such as having reduced long-pending mud phenomenon, has solved long-pending mud phenomenon and can cover partial membrane silk to influence the usable floor area of membrane, reduce the problem of the product flux of membrane.

(II) technical scheme

For realizing the above-mentioned long-pending mud phenomenon purpose that has reduced, the utility model provides a following technical scheme: an aeration pipe for removing sludge at the bottom of an MBR membrane comprises a table, wherein a box body is fixedly arranged above the table, holes are formed in the box body and the table, a straight pipe is arranged below the table, the front end of the straight pipe is fixedly connected with an external air blower, a connecting pipe is fixedly arranged on the outer wall of the upper part of the straight pipe, the connecting pipe is communicated with the inside of the straight pipe and extends to the inside of the box body through the holes, a screening membrane is fixedly arranged in the box body, two supporting frames are fixedly arranged on the wall surface of the bottom inside the box body and correspond to each other in the front and back directions, a transverse pipe is arranged in the box body, the front end and the back end of the transverse pipe are fixedly connected with the wall surface of one side corresponding to the supporting frames respectively, the lower wall surface of the transverse pipe is fixedly connected with the connecting pipe extending to the, the lower outer wall of the transverse pipe is fixedly provided with four vertical pipes respectively, the vertical pipes are communicated with the transverse pipe, the lower wall surface of each vertical pipe is closed, the left wall surface and the right wall surface of each vertical pipe are fixedly provided with exhaust pipes respectively, the two exhaust pipes are communicated with the vertical pipes, the central positions inside the two exhaust pipes are fixedly provided with circular rings, the diameters of the outer walls of the circular rings are the same as the diameters of the inner walls of the exhaust pipes, one side wall surfaces of the two circular rings, which correspond to each other, are provided with a first circular groove respectively, one side wall surface, which is opposite to each other, of the two circular rings is provided with a second circular groove respectively, the first circular groove is communicated with the second circular groove, the diameter of the second circular groove is one centimeter larger than the diameter of the first circular groove, one side wall surface, which is close to the vertical groove, of the second circular groove is provided with two small grooves respectively, tension springs are, fixed mounting has two spliced poles on the mutual one side wall that corresponds of two lumps respectively, and two spliced poles correspond from top to bottom, and the diameter of spliced pole is the same with the diameter of sulcus, and a lateral wall that spliced pole on the left side lump and spliced pole on the right side lump correspond each other is in the same place with the extension spring fixed connection of sulcus inside, and fixed mounting has the connecting block on the one side inner wall that two blast pipes deviate from each other respectively, the connecting block is rectangular piece, and fixed mounting bearing on the connecting block, fixed mounting flabellum on the bearing is provided with the axis of rotation on the lateral wall that two flabellums deviate from each other respectively, the axis of rotation of flabellum is in the same place with.

Preferably, the table is formed by combining four table legs and a table top.

Preferably, the box body is a rectangular box, and the box body is of an internal hollow structure.

Preferably, the small grooves are circular grooves and are communicated with the second circular groove, and the two small grooves correspond to each other up and down.

Preferably, the two exhaust pipes are inclined openings of the side wall surfaces which are away from each other.

Preferably, the two exhaust pipes correspond to each other in the left-right direction.

(III) advantageous effects

Compared with the prior art, the utility model provides an aeration pipe for driving MBR membrane bottom silt possesses following beneficial effect:

1. this clear away aeration pipe of MBR membrane bottom silt through having set up the blast pipe, sets the inclined plane to through the opening part with the blast pipe, has increased the area of giving vent to anger for it is rapider to the inside air entrainment speed of box.

2. This clear away aeration pipe of MBR membrane bottom silt, through having set up extension spring and circle piece, the extension spring is in the same place with circle piece fixed connection, the extension spring is one kind of extension spring, when the extension spring is under normal condition, the circle piece can be airtight with the blast pipe, when external air-blower blows, the air current can blow the extension spring tensile when atmospheric pressure is greater than hydraulic, then the air current can be pushed up the circle piece, then gaseous blowing in the box, the circle piece is because the pulling force of extension spring will the circle piece to standpipe one side pulling when atmospheric pressure is less than hydraulic, then the circle piece can be airtight with the blast pipe.

3. This clear away aeration pipe of MBR membrane bottom silt, through having set up the flabellum, when the air current blows to the box inside along the blast pipe, the air current can blow fan-shaped rotation, fan-shaped rotation stirs the water that moves the inside bottom of box, the water that stirs can stir the silt of bottom of the box and MBR membrane bottom, the silt that stirs can become the foam through the aeration pipe to the inside air entrainment process of box and float, such setting has reduced the advantage of long-pending mud phenomenon, it can cover the partial membrane silk to have solved long-pending mud phenomenon, thereby influence the usable floor area of membrane, reduce the problem of the product water flux of membrane.

4. This clear away aeration pipe of MBR membrane bottom silt, through having set up the flabellum, can cut blast pipe exhaust air when the flabellum is rotatory and open, let the big bubble that gets into in the box sewage become the microbubble, such setting up lets the bubble more in sewage, can let more bubbles and the impurity contact in the sewage, lets more sewage impurity float.

Drawings

FIG. 1 is a schematic perspective view of an aeration pipe for sludge at the bottom of an MBR membrane;

FIG. 2 is a cross-sectional view of the interior of the case;

FIG. 3 is a cross-sectional view of the cross tube in elevation;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic sectional view of a circular ring and a circular block.

In the figure: the device comprises a table 1, a straight pipe 2, a box 3, a screening membrane 4, a connecting pipe 5, a supporting frame 6, a horizontal pipe 7, a vertical pipe 8, an exhaust pipe 9, a connecting block 10, a bearing 11, fan blades 12, a circular ring 13, a circular groove I14, a circular groove II 15, a small groove 16, a tension spring 17, a connecting column 18, a circular block 19 and a hole 20.

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. 1-5, an aeration pipe for removing sludge at the bottom of an MBR membrane comprises a table 1, wherein the table 1 is formed by combining four table legs and a table top, a box body 3 is fixedly installed above the table 1, the box body 3 is a rectangular box, the box body 3 is an internal hollow structure, holes 20 are formed in the box body 3 and the table 1, a straight pipe 2 is arranged below the table 1, the front end of the straight pipe 2 is fixedly connected with an external blower, a connecting pipe 5 is fixedly installed on the outer wall of the upper part of the straight pipe 2, the connecting pipe 5 is communicated with the inside of the straight pipe 2, the connecting pipe 5 extends to the inside of the box body 3 through the holes 20, a screening membrane 4 is fixedly installed inside the box body 3, the screening membrane 4 is one of MBR membranes, the MBR membranes are of the existing structure, and no description is given here, two support frames 6 are fixedly installed on the inner bottom wall surface of the box body 3, the two supporting frames 6 correspond to each other in front and back, the horizontal pipe 7 is arranged in the box body 3, the front end and the back end of the horizontal pipe 7 are fixedly connected with the wall surface of one side corresponding to the supporting frames 6 respectively, the lower wall surface of the horizontal pipe 7 is fixedly connected with the connecting pipe 5 extending into the box body 3, the connecting pipe 5 is communicated with the horizontal pipe 7, four vertical pipes 8 are fixedly arranged on the outer wall of the lower part of the horizontal pipe 7 respectively, the vertical pipes 8 are communicated with the horizontal pipe 7, the lower wall surface of the vertical pipes 8 is closed, the exhaust pipes 9 are fixedly arranged on the left wall surface and the right wall surface of the vertical pipes 8 respectively, the two exhaust pipes 9 correspond to each other in left and right, the two exhaust pipes 9 are communicated with the vertical pipes 8, the circular ring 13 is fixedly arranged at the central position in the two exhaust pipes 9, the diameter of the outer wall of the circular ring 13 is the same, two circular grooves 15 are respectively arranged on one side wall surfaces of the two circular rings 13 which deviate from each other, the first circular groove 14 is communicated with the second circular groove 15, the diameter of the second circular groove 15 is one centimeter larger than that of the first circular groove 14, two small grooves 16 are respectively arranged on one side wall surface of the second circular groove 15 close to the vertical pipe 8, each small groove 16 is a circular groove, each small groove 16 is communicated with the second circular groove 15, the two small grooves 16 correspond up and down, tension springs 17 are fixedly arranged in the small grooves 16, round blocks 19 are movably arranged in the second circular groove 15, the diameter of each round block 19 is the same as that of the second circular groove 15, two connecting columns 18 are respectively and fixedly arranged on one side wall surfaces of the two circular blocks 19 which correspond to each other, the two connecting columns 18 correspond up and down, the diameter of each connecting column 18 is the same as that of the small groove 16, one side wall surface of the connecting column 18 on the left circular block 19 and one side wall surface of the connecting column 18 on the right circular block 19 which correspond to each, when extension spring 17 under normal condition the circle piece 19 can closely laminate with the inner wall of two 15 of circular slot, the opening of the open-ended slope of a lateral wall face that two blast pipes 9 deviate from each other, and fixed mounting has connecting block 10 on a lateral wall that two blast pipes 9 deviate from each other respectively, connecting block 10 is rectangular piece, and fixed mounting bearing 11 on the connecting block 10, fixed mounting flabellum 12 on the bearing 11 is provided with the axis of rotation on a lateral wall face that two flabellums 12 deviate from each other respectively, the axis of rotation of flabellum 12 is in the same place with the interior axle fixed connection of bearing 11.

When in use, the utility model is used,

the first step is as follows: wind power enters the connecting pipe 5 along the straight pipe 2, then the wind power in the connecting pipe 5 enters the transverse pipe 7, and the wind in the transverse pipe 7 enters the vertical pipe 8.

The second step is that: the wind inside the stack 8 enters the exhaust duct 9.

The third step: the wind in the exhaust duct 9 will blow the round 19 and then lift the round 19 up, and the wind will continue to blow along the exhaust duct 9.

The fourth step: the wind blows the blades 12 to rotate, the blades 12 rotate to stir the water inside the box 3, and then the sludge at the bottom of the box 3 and the sieving membrane 4 is stirred.

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. The utility model provides an aeration pipe for cleaing away MBR membrane bottom silt, includes desk (1), top fixed mounting box (3) of desk (1), the below of desk (1) is provided with straight tube (2), top outer wall fixed mounting connecting pipe (5) of straight tube (2), the inside of connecting pipe (5) intercommunication straight tube (2), the inside of box (3) is provided with violently manages (7), connecting pipe (5) and violently manage (7) intercommunication, its characterized in that: the outer wall below the transverse pipe (7) is respectively and fixedly provided with a vertical pipe (8), the vertical pipes (8) are communicated with the transverse pipe (7), the lower wall surface of the vertical pipe (8) is closed, the exhaust pipes (9) are fixedly arranged on the left wall surface and the right wall surface of the vertical pipe (8), the two exhaust pipes (9) are communicated with the vertical pipe (8), the circular rings (13) are fixedly arranged at the central positions in the two exhaust pipes (9), the corresponding side wall surfaces of the two circular rings (13) are respectively provided with a first circular groove (14), the side wall surfaces of the two circular rings (13) which are mutually deviated from each other are respectively provided with a second circular groove (15), movable mounting circle piece (19) in circular slot two (15), on the one side inner wall that two blast pipes (9) deviate from each other respectively fixed mounting have connecting block (10), fixed mounting bearing (11) on connecting block (10), fixed mounting flabellum (12) on bearing (11).

2. The aeration tube for removing sludge from the bottom of an MBR membrane according to claim 1, wherein: seted up hole (20) on box (3) and desk (1), connecting pipe (5) have been extended to the inside of box (3) through hole (20) always, the inside fixed mounting of box (3) has screening membrane (4), violently the below wall of pipe (7) with extend to connecting pipe (5) fixed connection inside box (3) be in the same place.

3. The aeration tube for removing sludge from the bottom of an MBR membrane according to claim 1, wherein: two support frames (6) are fixedly installed on the wall surface of the bottom inside the box body (3), the two support frames (6) correspond to each other in the front-back direction, and the front end and the back end of the transverse pipe (7) are fixedly connected with the wall surface of one side corresponding to the support frames (6) respectively.

4. The aeration tube for removing sludge from the bottom of an MBR membrane according to claim 1, wherein: the diameter of the outer wall of the circular ring (13) is the same as that of the inner wall of the exhaust pipe (9), the first circular groove (14) is communicated with the second circular groove (15), and the diameter of the second circular groove (15) is one centimeter greater than that of the first circular groove (14).

5. The aeration tube for removing sludge from the bottom of an MBR membrane according to claim 1, wherein: two small grooves (16) are formed in the wall surface, close to the vertical pipe (8), of the second circular groove (15), tension springs (17) are fixedly mounted inside the small grooves (16), and the diameter of the circular block (19) is the same as that of the second circular groove (15).

6. The aeration tube for removing sludge from the bottom of the MBR membrane according to claim 5, wherein: two fixed mounting has two spliced poles (18) respectively on the mutual lateral wall face that corresponds of circle piece (19), and the diameter of spliced pole (18) is the same with the diameter of vat (16), and the lateral wall face that spliced pole (18) on left side circle piece (19) and spliced pole (18) on right side circle piece (19) correspond each other is in the same place with inside extension spring (17) of vat (16).