CN215403337U

CN215403337U - Aeration device for sewage treatment

Info

Publication number: CN215403337U
Application number: CN202120771328.9U
Authority: CN
Inventors: 方小峰; 王悦新; 何珮宜; 丁九鼎
Original assignee: Suzhou Yurun Environmental Technology Co ltd
Current assignee: Suzhou Yurun Environmental Technology Co ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-01-04
Anticipated expiration: 2031-04-15

Abstract

The utility model discloses an aeration device for sewage treatment, which comprises an aeration unit; the aeration unit comprises an aeration main pipe, aeration branch pipes and a bracket; two ends of the aeration main pipe are provided with flange plates; the aeration branch pipe is in threaded connection with the aeration main pipe; aeration holes are arranged on the aeration branch pipes at intervals along the length direction of the aeration branch pipes; the bracket is provided with a first supporting seat corresponding to the main aeration pipe; the first support seat is provided with a first sunken part matched with the peripheral surface of the aeration main pipe; a second supporting seat is arranged on the bracket corresponding to the aeration branch pipe; a second sunken part is arranged on the second supporting seat; a gasket is movably arranged in the second concave part along the second direction; the gasket is provided with a third sunken part matched with the peripheral surface of the aeration branch pipe; a groove is arranged on the concave surface of the third concave part; the peripheral surface of the aeration branch pipe is provided with a convex part corresponding to the groove. The utility model can increase or reduce the aeration range by combining the aeration units, has strong universality and effectively meets the aeration requirements of MBR membranes with different quantities.

Description

Aeration device for sewage treatment

Technical Field

The utility model relates to the technical field of water treatment equipment, in particular to an aeration device for sewage treatment.

Background

MBR is also called membrane bioreactor, is a novel water treatment technology that has membrane separation unit and biological treatment unit to combine together, utilizes the characteristic of MBR membrane, and the hydrone can pass from the micropore on MBR membrane surface, and mud, macromolecule organic matter etc. are intercepted by the MBR membrane to realize the purification treatment of sewage.

As shown in fig. 1, in the water treatment apparatus including the MBR membrane, a certain number of MBR membranes 11 are installed in parallel on a membrane frame body 1, an aeration device 12 is installed in parallel at the bottom of the MBR membranes 11, and the MBR membranes 11 are flushed by disturbing water by gas sprayed from the aeration device 12, thereby preventing the MBR membranes 11 from being clogged.

The aeration device 12 is fixed on the membrane frame body 1, and the aeration range of the aeration device 12 is fixed. The number of MBR membranes installed in different water treatment equipment is different according to actual use requirements. When the number of the MBR membranes is increased or decreased, the aeration device cannot increase or decrease the aeration range according to the number of the MBR membranes, and the universality is not strong.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, the present invention aims to: the aeration device for sewage treatment has the advantages that the aeration range can be increased or reduced by combining a certain number of aeration units, the universality is strong, and the aeration requirements of MBR membranes in different numbers are effectively met.

The technical solution of the utility model is realized as follows: an aeration device for sewage treatment comprises at least one group of aeration units; the aeration unit comprises an aeration main pipe, aeration branch pipes and a support;

the aeration main pipe extends along a first direction, and two ends of the aeration main pipe are provided with flange plates;

the aeration branch pipe is arranged on at least one side of the main aeration pipe and extends along a second direction; the aeration branch pipe is in threaded connection with the aeration main pipe; aeration holes are arranged on the aeration branch pipes at intervals along the length direction of the aeration branch pipes;

the bracket is provided with a first supporting seat corresponding to the main aeration pipe; the first support seat is provided with a first sunken part matched with the peripheral surface of the aeration main pipe;

a second supporting seat is arranged on the bracket corresponding to the aeration branch pipe; a second sunken part is arranged on the second supporting seat;

a gasket is movably arranged in the second concave part along a second direction; the gasket is provided with a third sunken part matched with the peripheral surface of the aeration branch pipe; a groove is formed in the concave surface of the third concave part; the peripheral surface of the aeration branch pipe is provided with a convex part corresponding to the groove.

Furthermore, a locking assembly is arranged between the second supporting seat and the gasket; when the locking assembly is in a locking state, the gasket is fixed on the second supporting seat.

Furthermore, the support is provided with a hoop for hooping the main aeration pipe.

Further, the gasket is integrally formed by plastic or rubber materials.

Furthermore, the first end of the aeration branch pipe is open to form a pipe orifice; and the second end of the aeration branch pipe is closed.

Furthermore, a pipe joint is arranged on the main aeration pipe; a first thread section is arranged on the outer peripheral surface of the pipe joint; a second thread section matched with the first thread section is arranged on the inner circumferential surface of the pipe orifice of the aeration branch pipe; the pipe orifice of the aeration branch pipe is internally provided with a step surface.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. according to the utility model, through the matching use of the aeration units, a certain number of aeration units can be freely combined and communicated through the aeration main pipe, so that the aeration range can be increased or reduced, the universality is strong, and the aeration requirements of MBR membranes in different numbers can be effectively met.

2. The aeration branch pipe and the aeration main pipe are detachably connected, so that the aeration unit is convenient to assemble, disassemble, package, transport and the like, and the practicability is high.

3. According to the utility model, the gaskets are used in a matching manner, and after the aeration branch pipe is installed, the bulge part on the aeration branch pipe is limited in the groove, so that the rotation of the aeration branch pipe is limited, the aeration branch pipe can be prevented from loosening, and the stability of threaded connection of the aeration branch pipe is effectively improved.

Drawings

The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:

FIG. 1 is a schematic diagram of the structure of an aeration device and an MBR membrane in cooperation in the prior art;

FIG. 2 is a schematic three-dimensional structure of an aeration unit according to the present invention;

FIG. 3 is a schematic side view of the structure of FIG. 2;

FIG. 4 is a schematic view of a three-dimensional structure of several aeration units according to the present invention combined with each other;

FIG. 5 is a schematic view of the three-dimensional structure of the main aeration pipe and the branch aeration pipe according to the present invention;

FIG. 6 is a three-dimensional structure view of FIG. 5 from another perspective after the aeration sub-tubes are assembled

FIG. 7 is a schematic sectional view of an aeration leg according to the present invention;

FIG. 8 is a schematic three-dimensional structure of a stent of the present invention;

FIG. 9 is an enlarged view taken at A in FIG. 8;

wherein: 1. a membrane frame body; 11. MBR membrane; 12. an aeration device; 2. an aeration main pipe; 21. a flange plate; 22. A pipe joint; 221. a first thread segment; 3. an aeration branch pipe; 31. an aeration hole; 32. a boss portion; 33. a second thread segment; 34. filling steps; 4. a support; 41. a first support base; 411. a first recess; 42. a second support seat; 421. a second recess; 5. a gasket; 51. a third recessed portion; 52. a groove; 6. and (5) hooping.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Fig. 2-9 show an aeration device for sewage treatment according to the present invention, which comprises one or more groups of aeration units. The aeration unit comprises an aeration main pipe 2, aeration branch pipes 3 and a support 4. The main aeration pipe 2 is a hollow straight pipe structure with two open ends, extends in a first direction (left and right directions in this embodiment), and has flanges 21 welded to both ends thereof. The aeration branch pipes 3 are installed at the front side, the rear side, or both the front and rear sides of the main aeration pipe 2, and the aeration branch pipes 3 extend in the second direction (the front and rear direction in this embodiment). The aeration branch pipes 3 are threadedly connected with the main aeration pipe 2 so that the aeration branch pipes 3 can communicate with the main aeration pipe 2. Aeration holes 31 are formed in the aeration branch pipes 3 at intervals along the longitudinal direction thereof. When gas is introduced into the aeration main pipe 2, the gas can enter the aeration branch pipes 3 and be ejected from the aeration holes 31.

The bracket 4 is provided with a first supporting seat 41 corresponding to the aeration main pipe 2. The number of the first supporting seats 41 depends on the actual requirement. The first supporting seats 41 in this embodiment are arranged in two groups at intervals. The top surface of the first support base 41 is provided with a first concave portion 411 adapted to the outer peripheral surface of the aeration main pipe 2. The two ends of the first concave portion 411 extend along a first direction (in this embodiment, the left-right direction), and the two ends are disposed in an open manner. The cross section of the first recess 411 in this embodiment is a U-shaped structure. When both ends of the aeration main pipe 2 are placed in the first depression 411, the position of the aeration main pipe 2 in the front-rear direction is defined.

The second support seats 42 are disposed on the support frame 4 corresponding to the aeration branch pipes 3. A second recess 421 is formed on the top surface of the second support seat 42. The second recess 421 has two ends extending along a second direction (in the embodiment, the front-back direction), and the two ends are disposed to be open. The second recess 421 has a gasket 5 mounted therein. The pad 5 is adapted to the second recess 421, and when the pad 5 is received in the second recess 421, the pad 5 can be supported by the recess surface of the second recess 421 and can move in the second recess 421 along the second direction. The spacer 5 is provided with a third recess 51 fitted to the outer peripheral surface of the branched aerator pipe 3. The cross section of the third recess 51 in this embodiment is U-shaped or U-like. When both ends of the branched aeration pipe 3 are received in the third recesses 51, the position of the branched aeration pipe 3 in the left-right direction is defined. A recess 52 is formed in the recessed surface of the third recessed portion 51. The recess 52 extends in the front-rear direction and is open at both ends. The outer peripheral surface of the branched aerator pipe 3 is provided with a projection 32 corresponding to the groove 52. Through the above structural design, after the aeration branch pipe 3 is screwed with the main aeration pipe 2, the aeration branch pipe 3 is located in the second recess 421, a gap is formed between the aeration branch pipe 3 and the second recess 421, and the protrusion 32 moves to be located at a predetermined position. The gasket 5 is inserted into the gap between the branched aerator pipe 3 and the second recess 421, and when the gasket 5 is pushed to move, the branched aerator pipe 3 is fitted into the third recess 51, and the protrusion 32 enters the groove 52. The concave groove 52 serves to limit the protrusion 32, thereby preventing the rotation of the aeration branch pipe 3.

As shown in fig. 9, the gasket 5 is integrally formed of a plastic or rubber material.

A locking assembly is installed between the second supporting seat 42 and the gasket 5. When the locking assembly is in the locking state, the spacer 5 is fixed on the second support seat 42. The locking assembly includes a bolt, a positioning hole is formed on a side surface of the spacer 5, and a screw hole is formed on the second support seat 42. Mounting the bolt in the threaded hole when the spacer 5 is moved to a predetermined position in the second recess 421, the positioning hole corresponds to the threaded hole, and the bolt is rotated so that one end of the bolt enters the positioning hole, thereby locking the spacer 5.

As shown in fig. 2 and 8, the bracket 4 is provided with a hoop 6 for hooping the aeration main pipe 2 so as to fix the aeration main pipe 2.

As shown in FIG. 7, the first ends of the aeration branch pipes 3 are open to form pipe openings. The second end of the aeration branch pipe 3 is closed. The aeration main pipe 2 is provided with a pipe joint 22 corresponding to the aeration branch pipe 3. The pipe joint 22 is fixed to the aeration main pipe 2 by welding. The first thread section 221 is formed on the outer circumferential surface of the pipe joint 22. The inner circumferential surface of the pipe opening of the aeration branch pipe 3 is provided with a second threaded section 33 matched with the first threaded section 221, so that the aeration branch pipe 3 can be communicated with the main aeration pipe 2 in a threaded connection mode. A step surface 34 is processed in the pipe orifice of the aeration branch pipe 3. By properly designing the position of the stepped surface 34, after the aeration branch pipe 3 is in threaded connection with the aeration branch pipe 2, the stepped surface 34 abuts against the end surface of the pipe joint 22, so that the aeration branch pipe 3 is limited to continue rotating. Aeration holes 31 in this position aeration holes 31 are located at the upper side of aeration branch pipes 3.

When the aeration unit is specifically installed, the main aeration pipe 2 is placed in the first recess 411 in the first support seat 41, then the branch aeration pipe 3 is screwed with the pipe joint 22, then the gasket 5 is inserted into the gap between the branch aeration pipe 3 and the second recess 421, and the gasket 5 is pushed to move, so that the branch aeration pipe 3 is matched with the third recess 51, and the protrusion 32 on the branch aeration pipe 3 enters the groove 52. And finally, the main aeration pipe 2 is fixed through a hoop 6. In the aeration unit of the embodiment, the aeration branch pipes 3 are installed at the front and rear sides of the main aeration pipe 2, and the maximum distance between the aeration branch pipes 3 at both sides is adapted to the width of the MBR membrane 11.

As shown in FIG. 4, when it is necessary to expand the aeration area, several aeration units are used in combination, and the aeration units are connected to each other by a flange 21 on the main aeration pipe 2, so that the aeration units are communicated with each other, thereby expanding the aeration area. The number of the aeration units is determined according to the installed number of the MBR membranes 11.

The cooperation that this embodiment passed through aeration unit is used, and aeration unit of a certain quantity can the independent assortment to be responsible for the intercommunication through the aeration, and then can increase or reduce the aeration scope, the commonality is strong, effectively satisfies the aeration demand of the MBR membrane of different quantity. The aeration branch pipes 3 are detachably connected with the aeration main pipe 2, so that the operations of dismounting, packaging, transporting and the like of the aeration unit are facilitated, and the practicability is high. Through the cooperation use of gasket 5, after aeration branch pipe 3 is installed, protruding portion 32 on aeration branch pipe 3 is spacing in recess 52 to restriction aeration branch pipe 3 rotates, can prevent that aeration branch pipe 3 is not hard up, effectively improves aeration branch pipe threaded connection's stability.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An aeration device for sewage treatment comprises at least one group of aeration units; the method is characterized in that: the aeration unit comprises an aeration main pipe, aeration branch pipes and a support;

2. An aeration apparatus for wastewater treatment according to claim 1, wherein: a locking assembly is arranged between the second supporting seat and the gasket; when the locking assembly is in a locking state, the gasket is fixed on the second supporting seat.

3. An aeration apparatus for wastewater treatment according to claim 1, wherein: the bracket is provided with a hoop for hooping the aeration main pipe.

4. An aeration apparatus for wastewater treatment according to claim 1, wherein: the gasket is integrally formed of a plastic or rubber material.

5. An aeration apparatus for wastewater treatment according to claim 1, wherein: the first ends of the aeration branch pipes are arranged in an open manner to form pipe orifices; and the second end of the aeration branch pipe is closed.

6. An aeration apparatus for wastewater treatment according to claim 5, wherein: the aeration main pipe is provided with a pipe joint; a first thread section is arranged on the outer peripheral surface of the pipe joint; a second thread section matched with the first thread section is arranged on the inner circumferential surface of the pipe orifice of the aeration branch pipe; the pipe orifice of the aeration branch pipe is internally provided with a step surface.