MBR membrane sewage treatment equipment

Abstract

The utility model discloses MBR (Membrane Bioreactor) membrane sewage treatment equipment, which relates to the technical field of sewage treatment and comprises a mounting frame consisting of an upper frame and a lower frame, the upper frame and the lower frame are each of an isosceles-trapezoid-platform-shaped structure, and the upper bottoms of the two isosceles-trapezoid-platform-shaped structures are connected into a whole. The MBR membrane assemblies are arranged on the isosceles trapezoid upper bottom, the isosceles trapezoid lower bottom and the four inclined planes and are arranged in a linear array, and each MBR membrane assembly comprises an inner ring part and an outer ring part; the inner ring part comprises a plurality of MBR membrane strips which are arranged in a circumferential array; and each outer ring part comprises a plurality of MBR membrane belts which are arranged in a circumferential array. Compared with traditional vertical installation, the MBR membrane sewage treatment equipment provided by the utility model has the advantages that the adsorption effect of a composite area is better, and the situation that the filtering effect of dirt in a water body at the periphery of the lower MBR membrane group which is vertically arranged is relatively general can be avoided due to horizontal arrangement.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an MBR membrane sewage treatment device. Background Art

[0002] The application of MBR membrane in sewage treatment is a very common technology. Reference Publication (Announcement) No.: CN104556582A, Publication (Announcement) Date: 2015-04-29, discloses an MBR membrane sewage treatment equipment, comprising a main box, a sedimentation zone, an anaerobic zone, an aerobic zone and an MBR membrane zone, characterized in that a plurality of partitions are arranged inside the main box, and the main box is divided into a sedimentation zone, an anaerobic zone, an aerobic zone and an MBR membrane zone from left to right, and manholes are respectively arranged in the middle of the upper ends of the sedimentation zone, the anaerobic zone and the aerobic zone, an inlet pipe connected to the sedimentation zone is arranged at the upper left end of the main box, and an outlet pipe connected to the MBR membrane zone is arranged at the upper right end.

[0003] In the prior art including the above patents, the arrangement of the MBR membrane and the structural design of the MBR membrane group can fully allow the dirt to adhere to the MBR membrane during the aeration process, and the existing MBR membranes are arranged vertically, that is, arranged along the aeration direction. Therefore, the dirt filtering effect in the water body outside the MBR membrane group is relatively general. Utility Model Content

[0004] The utility model aims to provide an MBR membrane sewage treatment equipment to solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an MBR membrane sewage treatment equipment, comprising a mounting frame composed of an upper frame and a lower frame;

[0006] The upper frame and the lower frame are both isosceles terrace-shaped structures, and the upper and lower parts of the two isosceles terrace-shaped structures are connected together;

[0007] It also includes a plurality of MBR membrane components arranged on the upper bottom, the lower bottom, and four inclined surfaces of the isosceles terrace and arranged in a linear array, wherein the MBR membrane components include an inner ring portion and an outer ring portion;

[0008] The inner ring portion includes a plurality of MBR membrane strips arranged in a circumferential array;

[0009] The outer ring parts each include a plurality of MBR membrane strips arranged in a circumferential array.

[0010] Preferably, the inner ring portion and the outer ring portion both include a circular mounting plate, and the circular mounting plate is rotatably disposed on the mounting frame.

[0011] Preferably, the MBR membrane components are arranged along a horizontal plane.

[0012] Preferably, a treatment box is further included, and a plurality of aeration disks arranged in a matrix are provided at the bottom of the treatment box.

[0013] Preferably, support columns are installed along the diagonal line at the bottom of the treatment box to maintain a predetermined distance between the mounting frame and the aeration disk.

[0014] Preferably, the upper frame and the lower frame include a bottom frame and a top frame formed by welding channel steels, and channel steel connectors are installed at four corners of the bottom frame and the top frame by bolts.

[0015] In the above technical scheme, the utility model provides an MBR membrane sewage treatment equipment, which has the following beneficial effects: the MBR membrane components are installed on the upper frame and the lower frame in a mirror relationship, so that the MBR membrane components are arranged along the horizontal plane. Compared with the traditional vertical installation, there is a better adsorption effect in the composite area, and the horizontal arrangement can avoid the situation where the dirt filtering effect in the water body around the vertically arranged lower MBR membrane group is relatively general. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 A schematic structural diagram of an embodiment of the utility model is provided.

[0018] Description of reference numerals:

[0019] 1. Upper frame; 2. Lower frame; 3. MBR membrane assembly; 31. Inner ring; 32. Outer ring; 33. Round mounting plate; 5. Processing box; 51. Support column; 6. Aeration plate; 7. Mounting frame; 100. Bottom frame; 101. Top frame; 102. Channel steel connector. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0021] like Figure 1 As shown, an MBR membrane wastewater treatment equipment includes a mounting frame 7 composed of an upper frame 1 and a lower frame 2;

[0022] The upper frame 1 and the lower frame 2 include a bottom frame 100 and a top frame 101 formed by welding channel steel, and the four corners of the bottom frame 100 and the top frame 101 are bolted with channel steel connectors 102. After assembly, both are isosceles terrace structures, and the upper frame 1 and the lower frame 2 share a top frame 101.

[0023] Further, combined with Figure 1 It can be seen that the embodiment also includes a plurality of MBR membrane modules 3 arranged on the upper bottom, the lower bottom, and the four inclined surfaces of the isosceles terrace and arranged in a linear array, and the MBR membrane module 3 includes an inner ring portion 31 and an outer ring portion 32, wherein:

[0024] The inner ring portion 31 includes a plurality of MBR membrane strips arranged in a circumferential array;

[0025] The outer ring portions 32 each include a plurality of MBR membrane strips arranged in a circumferential array.

[0026] Secondly, the inner ring portion 31 and the outer ring portion 32 both include a circular mounting plate 33, which is rotatably mounted on the mounting frame 7. The circular mounting plate 33 can rotate in a circumferential direction during the aeration process to increase the contact between the MBR membrane and the liquid.

[0027] Furthermore, the embodiment also includes a treatment box 5, and a plurality of aeration plates 6 arranged in a matrix are arranged at the bottom of the treatment box 5. A support column 51 is installed along the diagonal line at the bottom of the treatment box 5 to keep a predetermined distance between the mounting frame 7 and the aeration plates 6.

[0028] In summary, the MBR membrane assembly 3 installed on the upper frame 1 and the lower frame 2 in a mirror-image relationship is arranged along the horizontal plane. Compared with the traditional vertical installation, the composite area adsorption effect is better, and the horizontal arrangement can avoid the situation where the dirt filtering effect in the water body around the vertically arranged lower MBR membrane group is relatively general.

[0029] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An MBR membrane sewage treatment equipment, characterized in that: It comprises a mounting frame (7) consisting of an upper frame (1) and a lower frame (2); The upper frame (1) and the lower frame (2) are both isosceles terrace-shaped structures, and the upper and lower parts of the two isosceles terrace-shaped structures are connected together; It also includes a plurality of MBR membrane modules (3) arranged on the upper bottom, the lower bottom, and four inclined surfaces of the isosceles terrace and arranged in a linear array, wherein the MBR membrane modules (3) include an inner ring portion (31) and an outer ring portion (32); The inner ring portion (31) comprises a plurality of MBR membrane strips arranged in a circumferential array; The outer ring portion (32) comprises a plurality of MBR membrane strips arranged in a circumferential array.

2. The MBR membrane wastewater treatment equipment according to claim 1, characterized in that: The inner ring portion (31) and the outer ring portion (32) both comprise a circular mounting plate (33), and the circular mounting plate (33) is rotatably mounted on the mounting frame (7).

3. The MBR membrane wastewater treatment equipment according to claim 1, characterized in that: The MBR membrane components (3) are arranged along a horizontal plane.

4. The MBR membrane wastewater treatment equipment according to claim 1, characterized in that: It also comprises a treatment box (5), the bottom of which is provided with a plurality of aeration plates (6) arranged in a matrix.

5. The MBR membrane sewage treatment equipment according to claim 4, characterized in that: A support column (51) is installed along a diagonal line at the bottom of the treatment box (5) so as to maintain a predetermined distance between the mounting frame (7) and the aeration plate (6).

6. The MBR membrane wastewater treatment equipment according to claim 1, characterized in that: The upper frame (1) and the lower frame (2) comprise a bottom frame (100) and a top frame (101) formed by welding channel steels, and channel steel connectors (102) are installed at four corners of the bottom frame (100) and the top frame (101) by bolts.

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