CN213231917U

CN213231917U - MBR (membrane bioreactor) integrated treatment equipment for town sewage

Info

Publication number: CN213231917U
Application number: CN202021566505.1U
Authority: CN
Inventors: 张晓惠
Original assignee: Hunan Yizhijie Environmental Protection Technology Co ltd
Current assignee: Hunan Yizhijie Environmental Protection Technology Co ltd
Priority date: 2020-08-01
Filing date: 2020-08-01
Publication date: 2021-05-18
Anticipated expiration: 2030-08-01

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to town sewage MBR integrated treatment equipment, which comprises a sedimentation tank, wherein the sedimentation tank is arranged at the leftmost side of the MBR integrated treatment equipment, the right side of the sedimentation tank is provided with an anaerobic tank, an MBR membrane group tank and an equipment area in sequence, an MBR membrane group tank is fixedly arranged inside the MBR membrane group tank, the top of the sedimentation tank is provided with a through hole, the through hole is connected with a rotating shaft through an auxiliary bearing, a motor is arranged above the anaerobic tank, a main shaft of the motor is connected with the rotating shaft through a belt, a base is arranged at the lower end of the rotating shaft, a grid is fixedly arranged on the rotating shaft, fixed rods are fixedly welded on the inner walls at the two sides of the upper sedimentation tank of the grid respectively, the grid group is fixed on the rotating shaft, when sludge needs to be cleaned, the motor drives the rotating shaft to rotate, the grid group, does not need manual cleaning and has simple operation.

Description

MBR (membrane bioreactor) integrated treatment equipment for town sewage

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a town sewage MBR integration treatment facility.

Background

MBR (membrane bioreactor) is a combined process combining biological treatment and membrane separation, wherein a hollow fiber membrane module is arranged in the bioreactor, and the hollow fiber membrane for filtration is an ultrafiltration membrane (UF) with the pore size range of 0.04 mu m and is mainly used for intercepting suspension and organic matters. The method is characterized in that the microbial biomass with a certain concentration can be maintained in the biological reaction tank to purify the sewage, and a Membrane Bioreactor (MBR) process is a novel wastewater treatment technology organically combining a membrane separation technology and a biological technology. It utilizes membrane separation equipment to retain active sludge and macromolecular organic substances in the biochemical reaction tank, and saves secondary sedimentation tank. The concentration of the activated sludge is greatly improved, the Hydraulic Retention Time (HRT) and the Sludge Retention Time (SRT) can be respectively controlled, and the substances which are difficult to degrade continuously react and degrade in the reactor, so that the function of the bioreactor is greatly enhanced by the Membrane Bioreactor (MBR) process through a membrane separation technology. Compared with the traditional biological treatment method, the biological treatment method is one of the promising new wastewater treatment technologies at present, and MBR integrated equipment utilizes a Membrane Bioreactor (MBR) to carry out integrated equipment for sewage treatment and recycling, and has all the advantages of the MBR: the system has the advantages of good effluent quality, low operation cost, strong system impact resistance, small sludge amount, high automation degree and the like, and in addition, as integrated equipment, the system has small occupied area and is convenient to integrate. The device can be used as a small sewage recycling device and a core processing unit of a larger sewage treatment plant (station), is one of the hot spots of the current research in the sewage treatment field, and has wide application prospect. But do not have sludge treatment equipment in the sedimentation tank of present MBR integration equipment, the mud that the sediment got off needs artifical clearance, wastes time and energy, for this, the utility model provides a town sewage MBR integration treatment facility is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a town sewage MBR integration treatment facility to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a town sewage MBR integration treatment facility, includes the sedimentation tank, the sedimentation tank is in MBR integration treatment facility's the leftmost side, and the right of sedimentation tank is anaerobism pond, MBR membrane group pond, equipment district in proper order, the inside fixed mounting in MBR membrane group pond has the MBR membrane module, open at the top of sedimentation tank has the through-hole, and through-hole department is connected with the axis of rotation through auxiliary bearing, the top in anaerobism pond is provided with the motor, and the main shaft of motor is connected with the axis of rotation through the belt, the base is installed to the lower extreme of axis of rotation, and fixed mounting grid in the axis of rotation, fixed welding respectively has the dead lever on the both sides inner wall of the top sedimentation tank of grid, the one end of dead lever is connected with the staple bolt, and staple bolt and axis of rotation fixed.

Preferably, the outer edges of the grids are fixedly welded with the baffle plates, a plurality of groups of grids are vertically overlapped to form a grid group, and the bottom end of the grid group is fixedly connected with the base.

Preferably, the fixed welding of one end of dead lever is at the sedimentation tank inner wall, and the fixed welding of the other end has the staple bolt, two the staple bolt passes through the screw and is connected with the screw cooperation, and two staple bolt center fixed connection bearings, the bearing is connected with the axis of rotation.

Preferably, the bottom end of the rotating shaft is arranged in a threaded shape, and the base is in threaded connection with the bottom end of the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the plurality of gratings form a grating group, so that sludge can be filtered more effectively, and the production efficiency is improved;

2. the grid group is fixed on the rotating shaft, when sludge needs to be cleaned, the motor drives the rotating shaft to rotate, the grid group rotates along with the rotating shaft, clear water is put into the grid group from the water inlet to wash the sludge on the grid group, manual cleaning is not needed, and the operation is simple.

Drawings

FIG. 1 is a cross-sectional view of the MBR integrated equipment of the present invention;

FIG. 2 is a top view of the sedimentation tank of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: the device comprises a sedimentation tank 1, an anaerobic tank 2, an MBR membrane group tank 3, a device area 4, a water inlet 5, a rotating shaft 6, a fixed rod 7, a grid 8, a base 9, an MBR membrane module 10, a motor 11, a belt 12, a hoop 13 and a bearing 14.

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 to 3, the present invention provides a technical solution: the utility model provides a town sewage MBR integration treatment facility, including sedimentation tank 1, sedimentation tank 1 is in MBR integration treatment facility's the leftmost side, and sedimentation tank 1's the right is anaerobism pond 2 in proper order, MBR membrane group pond 3, equipment district 4, 3 inside fixed mounting in MBR membrane group pond have MBR membrane module 10, open at sedimentation tank 1's top has the through-hole, and through-hole department is connected with axis of rotation 6 through auxiliary bearing, the top of anaerobism pond 2 is provided with motor 11, and motor 11's main shaft is connected with axis of rotation 6 through belt 12, base 9 is installed to the lower extreme of axis of rotation 6, and fixed mounting grid 8 on the axis of rotation 6, fixed welding has dead lever 7 on the both sides inner wall of grid 8's top sedimentation tank 1 respectively, the one end of dead lever 7 is connected with staple bolt 13, and staple bolt 13 and axis of rotation 6 fixed connection, water inlet 5.

Furthermore, the outer edges of the grids 8 are fixedly welded with baffles, a plurality of groups of grids 8 are vertically overlapped to form a grid group, and the bottom end of the grid group is fixedly connected with the base 9.

Further, the one end fixed welding of dead lever 7 has staple bolt 13, two at 1 inner wall of sedimentation tank, the fixed welding of the other end staple bolt 13 is connected through screw and screw cooperation, and two staple bolts 13 center fixed connection bearings 14, bearing 14 are connected with axis of rotation 6.

Further, the bottom end of the rotating shaft 6 is provided with a thread shape, and the base 9 is connected with the inner thread and the outer thread at the bottom end of the rotating shaft 6.

The working principle is as follows: when the device is started, sewage is poured into the water inlet 5, when the sewage passes through the sedimentation tank 1, a large amount of sludge is filtered due to the blocking effect of the grating 8 and is left on the grating 8, the filtered sewage flows into the anaerobic tank 2 from the bottom of the sedimentation tank 1, organic matters in the sewage are used as carbon sources in the anaerobic tank 2, nitrate and nitrite which flow back to a mud mixture in the tank are converted into nitrogen by denitrifying bacteria, the denitrification of the waste water is realized, a treated water source enters the MBR membrane group tank 3, an MBR membrane component 10 is arranged in the tank, when the sewage passes through the membrane component, an ultrafiltration membrane separation method is used for replacing a secondary sedimentation tank and a sand filtration system in the traditional activated sludge treatment system, an ultrafiltration membrane is directly immersed in an aeration tank and is directly contacted with a biological reaction mixed liquid, and the filtered water achieves the solid-liquid separation effect through an external pressure type hollow fiber membrane through the negative pressure suction of a filter pump, in the filtering process, air is introduced to the bottom of the membrane through the blower, on one hand, turbulent flow generated by rising of air flow generates a scrubbing effect on the outer surface of the hollow fiber membrane, so that solid matters adhered to the surface of the membrane can be continuously removed, and the pollution or blockage of the membrane is prevented or reduced; on the other hand, the air flow also has an aeration function, most of oxygen consumption required by biodegradation can be provided, the rest of oxygen required by biodegradation is also finished by a diffusion aeration system, and excessive sludge generated in biological reaction is directly discharged from the MBR membrane group tank 3, so that the sewage purification work is finished; when a large amount of sludge is accumulated on the grating 8 in the sedimentation tank 1 and needs to be cleaned, only the motor 11 needs to be started to drive the rotating shaft 6 to rotate, water is discharged from the water inlet 5, and the sludge is impacted by water flow in the rotating process of the grating 8 to be separated from the grating 8, so that the sludge is cleaned.

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 a town sewage MBR integration treatment facility, includes sedimentation tank (1), its characterized in that: the sedimentation tank (1) is positioned on the leftmost side of MBR integrated treatment equipment, the right side of the sedimentation tank (1) is sequentially provided with an anaerobic tank (2), an MBR membrane group tank (3) and an equipment area (4), an MBR membrane module (10) is fixedly arranged in the MBR membrane group tank (3), the top of the sedimentation tank (1) is provided with a through hole, the through hole is connected with a rotating shaft (6) through an auxiliary bearing, a motor (11) is arranged above the anaerobic tank (2), a main shaft of the motor (11) is connected with the rotating shaft (6) through a belt (12), a base (9) is arranged at the lower end of the rotating shaft (6), a grating (8) is fixedly arranged on the rotating shaft (6), fixing rods (7) are fixedly welded on the inner walls of the two sides of the sedimentation tank (1) above the grating (8) respectively, one end of each fixing rod (7) is connected with a hoop (13, and staple bolt (13) and axis of rotation (6) fixed connection, water inlet (5) are installed to the upper left corner of sedimentation tank (1).

2. The MBR integrated treatment device for town sewage according to claim 1, which is characterized in that: the outer edge of each grid (8) is fixedly welded with a baffle, a plurality of groups of grids (8) are vertically stacked to form a grid group, and the bottom end of the grid group is fixedly connected with the base (9).

3. The MBR integrated treatment device for town sewage according to claim 1, which is characterized in that: the one end fixed welding of dead lever (7) is at sedimentation tank (1) inner wall, and the fixed welding of other end has staple bolt (13), two staple bolt (13) are connected through screw and screw cooperation, and two staple bolt (13) center fixed connection bearings (14), bearing (14) are connected with axis of rotation (6).

4. The MBR integrated treatment device for town sewage according to claim 1, which is characterized in that: the bottom end of the rotating shaft (6) is arranged to be in a threaded shape, and the base (9) is connected with the inner thread and the outer thread at the bottom end of the rotating shaft (6).