CN211367118U

CN211367118U - Frame type MBR device

Info

Publication number: CN211367118U
Application number: CN201922168268.7U
Authority: CN
Inventors: 张宏宇; 徐存中
Original assignee: Nanjing E Power Environment Engineering Co ltd
Current assignee: Nanjing E Power Environment Engineering Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-28
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a frame type MBR device, which comprises a frame with a rectangular structure, wherein a water production pipe and an aeration pipe are arranged on the frame, a water production branch pipe group is arranged on the water production pipe inside the frame, the water production branch pipe group comprises two horizontally arranged water production branch pipes, the middle parts of the two water production branch pipes are respectively communicated with the water production pipe, the two ends of the two water production branch pipes are respectively connected with the frame, a plurality of membrane bioreactors are arranged between the two water production branch pipes, and the water production ends of the membrane bioreactors are communicated with the water production branch pipes; the bottom of the frame is provided with an aeration branch pipe, the aeration branch pipe is provided with a plurality of aerators, and the aeration pipe vertically extends downwards along one side of the frame and is communicated with the aeration branch pipe; the utility model discloses an overall structure has been optimized in open structural design, and whole membrane bioreactor all does not have the submergence that shelters from in sewage, has improved filtration efficiency, has reduced the membrane surface simultaneously and has been adapting to various sewage environment by dirty stifled risk, guarantees the normal operating of water treatment work.

Description

Frame type MBR device

Technical Field

The utility model relates to a water treatment facilities especially relates to a frame-type MBR device, belongs to water treatment technical field.

Background

MBR is also called membrane bioreactor, is a novel water treatment technology that combines membrane separation unit and biological treatment unit, is a water treatment technology that replaces secondary sedimentation tank in traditional activated sludge process with membrane separation process, and MBR has following advantage: the process is short, the treatment efficiency is high, the occupied area is small, the effluent quality is high, the sludge concentration in the pool can reach 8000 to 10000 mg/L, the process is two to three times higher than the traditional process, under the condition of achieving the same treatment effect, the occupied area of a treatment equipment system is more compact, the full-automatic control is realized, the operation and the maintenance are simple and convenient, the effluent quality is stable, and the medicament cost is saved; in the traditional biological wastewater treatment technology, mud-water separation is completed in a secondary sedimentation tank under the action of gravity, the separation efficiency depends on the sedimentation performance of activated sludge, the sedimentation performance is better, the mud-water separation efficiency is higher, the sedimentation performance of the sludge depends on the operation condition of an aeration tank, and the operation condition of the aeration tank must be strictly controlled to improve the sedimentation performance of the sludge; in the existing biological treatment process of wastewater, a large amount of activated sludge is generated, the activated sludge realizes the effect of sludge-water separation through a sedimentation tank, organic pollution in the wastewater is digested and absorbed by microorganisms in the activated sludge, the higher the concentration of the activated sludge in the wastewater is, the better the treatment effect is, but when the concentration of the activated sludge in the wastewater is too high, the effect of completely separating the sludge and the water can not be realized through common sedimentation, so that the treated water contains a large amount of activated sludge, the water quality is poor, and the MBR device can realize the operation condition under the condition of high-concentration activated sludge; the existing MBR device has the following problems:

1. because the system operates under negative pressure, the water production hose is easily damaged after being pumped flat, and the replacement is very troublesome;

2. the membrane module is wrapped on the side of the equipment by the integral frame, so that the membrane module is not convenient to fully contact with water, the filtering effect is poor, and the membrane body can be polluted and damaged after the integral frame is corroded;

3. the closed air diffusion frame and the complex pipeline increase the manufacturing difficulty of the equipment and are inconvenient to maintain once damaged;

4. the closed air dispersing pipe can cause that the sludge in the air pipe can not be removed to cause air pipe blockage when the air dispersing pipe is restarted after being stopped, and the system can not normally run.

Disclosure of Invention

For solving prior art's is not enough, the utility model provides a frame-type MBR device, the complicated cloth gas of current conventional equipment and water distribution pipeline have been changed, in merging frame construction with cloth gas and water distribution pipeline, adopt open structural design, overall structure has been optimized, the submergence that whole membrane bioreactor all does not have the sheltering from is in sewage, make its and sewage fully contact, the filtration efficiency is improved, the membrane surface is reduced by dirty stifled risk simultaneously, manufacturing cost is saved, can adapt to various sewage environment, guarantee the normal operating of water treatment work.

The utility model discloses the technical scheme who adopts does:

a frame type MBR device comprises a frame with a rectangular structure, wherein a water production pipe and an aeration pipe are arranged on the frame, the water production pipe is vertically arranged at the center inside the frame, the top end of the water production pipe is positioned at the top of the frame and is provided with a flange connection pipe orifice communicated with an external pipeline, the bottom end of the water production pipe is in a plugging state, a water production branch pipe group is arranged on the water production pipe inside the frame and comprises two horizontally arranged water production branch pipes, the middle parts of the two water production branch pipes are respectively communicated with the water production pipe, the two ends of the two water production branch pipes are respectively connected with the frame, a plurality of membrane bioreactors are arranged between the two water production branch pipes at equal intervals, and the water production ends of the membrane bioreactors are communicated with the water production branch pipes; the bottom of the frame is provided with an aeration branch pipe, a plurality of aerators are arranged on the aeration branch pipe, the aeration pipe vertically extends downwards along one side of the frame, the bottom end of the aeration pipe is communicated with the aeration branch pipe, and the top end of the aeration pipe is positioned at the top of the frame and is provided with a flange connecting pipe orifice communicated with an external pipeline.

As a further preferred aspect of the present invention, two water producing branch pipe groups are provided on the water producing pipe inside the frame, and the two water producing branch pipe groups are respectively arranged at the middle upper portion and the middle lower portion inside the frame.

As further optimization of the utility model, a blow-down valve is arranged on the aeration pipe or the aeration branch pipe; the gas circuit is convenient to wash and discharge, and the gas circuit is prevented from being blocked.

As a further preference of the utility model, the aerators are positioned at two sides of the aeration branch pipe, and one ends of the aerators, which are far away from the aeration branch pipe, are fixedly connected with the frame; a plurality of aerators are evenly arranged at the bottom of the frame.

As the further optimization of the utility model, the plurality of membrane bioreactors are positioned at both sides of the water production branch pipe, and one side of the membrane bioreactor, which is far away from the water production branch pipe, is fixedly connected with the frame; a plurality of membrane bioreactors are evenly arranged inside the frame.

As a further preference of the utility model, the four corners of the top of the frame are respectively provided with a hanging ring; the integral hoisting work is convenient.

The beneficial effects of the utility model reside in that: the complex air distribution and water distribution pipeline of the conventional equipment is changed, the air distribution and water distribution pipeline is integrated into the frame structure, the whole membrane bioreactor is optimized by adopting an open structural design, the whole membrane bioreactor is immersed in sewage without shielding, so that the whole membrane bioreactor is fully contacted with the sewage, the filtering efficiency is improved, the risk that the membrane surface is polluted and blocked is reduced, the manufacturing cost is saved, the membrane bioreactor can adapt to various sewage environments, and the normal operation of water treatment work is ensured.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic diagram of a side view structure of the membrane bioreactor of the present invention;

FIG. 3 is a schematic diagram of a side view of the membrane bioreactor of the present invention;

fig. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic sectional view of the structure of FIG. 1 along the line B;

the main reference numerals in the figures have the following meanings:

1-frame, 2-water production pipe, 3-water production branch pipe, 4-aeration pipe, 5-aeration branch pipe, 6-aerator, 7-hanging ring and 8-membrane bioreactor.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-5: the embodiment is a frame type MBR device, which comprises a frame 1 with a rectangular structure, wherein a water production pipe 2 and an aeration pipe 4 are arranged on the frame 1, the water production pipe 2 is vertically arranged at the center inside the frame 1, the top end of the water production pipe 2 is positioned at the top of the frame 1 and is provided with a flange connection pipe orifice communicated with an external pipeline, the bottom end of the water production pipe 2 is in a plugging state, a water production branch pipe group is arranged on the water production pipe 2 inside the frame 1 and comprises two horizontally arranged water production branch pipes 3, the middle parts of the two water production branch pipes 3 are respectively communicated with the water production pipe 2, two ends of the two water production branch pipes 3 are respectively connected with the frame 1, a plurality of membrane bioreactors 8 are arranged between the two water production branch pipes 3 at equal intervals, and the water production ends of the membrane bioreactors 8 are communicated with the water production branch pipes 3; the bottom of frame 1 is provided with aeration branch pipe 5, is provided with a plurality of aerators 6 on aeration branch pipe 5, and aeration pipe 4 is along the vertical downwardly extending of one of them side of frame 1, and aeration pipe 4's bottom and aeration branch pipe 5 intercommunication, aeration pipe 4's top are located the frame 1 top and are formed with the flange joint mouth of pipe that communicates with the outside pipeline.

In the present embodiment, two water producing branch pipe groups are provided on the water producing pipe 2 inside the frame 1, and the two water producing branch pipe groups are respectively arranged at the middle upper part and the middle lower part inside the frame 1.

In practical application, the aeration pipe 4 or the aeration branch pipe 5 is provided with a vent valve; the gas circuit is convenient to wash and discharge, and the gas circuit is prevented from being blocked.

A plurality of aerators 6 in the embodiment are positioned at two sides of the aeration branch pipe 5, and one end of the aerator 6 far away from the aeration branch pipe 5 is fixedly connected with the frame 1; a plurality of aerators 6 are evenly arranged at the bottom of the frame 1.

The plurality of membrane bioreactors 8 in the embodiment are positioned at two sides of the water production branch pipe 3, and one side of the membrane bioreactor 8, which is far away from the water production branch pipe 3, is fixedly connected with the frame 1; a plurality of membrane bioreactors 8 are arranged evenly inside the frame 1.

In the embodiment, the four corners of the top of the frame 1 are respectively provided with a hanging ring 7; the integral hoisting work is convenient.

The frame 1 in the embodiment adopts the stainless steel material SS316L with high corrosion resistance, so that the frame can adapt to various sewage environments, and meanwhile, the membrane bioreactor 8 cannot be polluted and damaged, the open design is convenient for the membrane bioreactor 8 to contact with sewage, the filtering effect is improved, the maintenance trouble is reduced, and the manufacturing cost is reduced; the water production pipe 2 and the aeration pipe 4 which are positioned at the top of the frame 1 can form a pipe body structure which stretches across the top of the frame 1, and then the flange connecting pipe orifices of the water production pipe 2 and the aeration pipe 4 are arranged at the same side; when the device is used, the water production pipe 2 and the aeration pipe 4 are respectively communicated with an external pipeline through flange connecting pipe orifices, and the whole device is immersed in sewage to be treated through hoisting.

The utility model discloses changed the complicated cloth gas of current conventional equipment and water distribution pipeline, during fusing into frame construction with cloth gas and water distribution pipeline, adopted open structural design, optimized overall structure, whole membrane bioreactor does not all have the submergence that shelters from in sewage, makes its and sewage fully contact, has improved filtration efficiency, has reduced the membrane surface simultaneously by the dirty stifled risk, has saved manufacturing cost, can adapt to various sewage environment, guarantees the normal operating of water treatment work.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a frame-type MBR device which characterized in that: the membrane bioreactor comprises a framework with a rectangular structure, wherein a water production pipe and an aeration pipe are arranged on the framework, the water production pipe is vertically arranged in the center inside the framework, the top end of the water production pipe is positioned at the top of the framework and is provided with a flange connection pipe orifice communicated with an external pipeline, the bottom end of the water production pipe is in a plugging state, a water production branch pipe group is arranged on the water production pipe inside the framework, the water production branch pipe group comprises two horizontally arranged water production branch pipes, the middle parts of the two water production branch pipes are respectively communicated with the water production pipe, the two ends of the two water production branch pipes are respectively connected with the framework, a plurality of membrane bioreactors are arranged between the two water production branch pipes at equal intervals, and the water production ends of the membrane bioreactors are communicated with the water production; the bottom of the frame is provided with an aeration branch pipe, a plurality of aerators are arranged on the aeration branch pipe, the aeration pipe vertically extends downwards along one side of the frame, the bottom end of the aeration pipe is communicated with the aeration branch pipe, and the top end of the aeration pipe is positioned at the top of the frame and is provided with a flange connecting pipe orifice communicated with an external pipeline.

2. A frame MBR apparatus according to claim 1, wherein two sets of product water branches are provided in the product water pipe inside the frame, the two sets being arranged in the middle upper and middle lower part of the frame interior, respectively.

3. A frame MBR apparatus according to claim 1, wherein a blow-down valve is provided on the aeration pipe or branch aeration pipe.

4. A frame MBR apparatus according to claim 1, wherein the aerators are located on opposite sides of the aeration manifold, and wherein the end of the aerator remote from the aeration manifold is fixedly connected to the frame.

5. A frame MBR apparatus according to claim 1, wherein the membrane bioreactors are located on opposite sides of the water production manifold, and wherein the membrane bioreactors are fixedly connected to the frame on a side of the water production manifold remote therefrom.

6. A frame MBR apparatus according to claim 1, wherein the frame is provided with lifting rings at four corners of the top.