CN211595352U

CN211595352U - MBR membrane biological Fenton catalytic oxidation is sewage treatment system in coordination

Info

Publication number: CN211595352U
Application number: CN201921978851.8U
Authority: CN
Inventors: 许昌相
Original assignee: Beijing Yu Tao Environmental Engineering Co ltd
Current assignee: Beijing Yu Tao Environmental Engineering Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-09-29
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a biological fenton catalytic oxidation of MBR membrane is sewage treatment system in coordination, including first treatment trough and second treatment trough, there is the fenton reaction catalyst filler in the first treatment trough, first fixed plate is through first elevation structure and first treatment trough fixed connection, first treatment trough one side is equipped with the pencil of dosing, the equipartition has a plurality of MBR membrane groups in the second treatment trough, the second fixed plate passes through second elevating system and second treatment trough fixed connection, a plurality of MBR membrane group upsides are equipped with the outlet pipe, the outlet pipe through a plurality of branch pipes respectively with a plurality of MBR membrane group fixed connection, a plurality of MBR membrane group downsides are equipped with the aeration structure. The utility model discloses a MBR membrane biological treatment and fenton catalytic oxidation are handled sewage in coordination for the sewage treatment effect increases, and whole convenience is changed membrane bioreactor and the catalyst of fenton reaction moreover.

Description

MBR membrane biological Fenton catalytic oxidation is sewage treatment system in coordination

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a biological fenton catalytic oxidation of MBR membrane is sewage treatment system in coordination.

Background

MBR sewage treatment is a common mode of modern sewage treatment, adopts a membrane bioreactor technology which is a new technology combining a biological treatment technology and a membrane separation technology, replaces a secondary sedimentation tank in the traditional technology, and can carry out solid-liquid separation efficiently to obtain stable reclaimed water which is directly used. The fenton reaction process is that a mixed solution of hydrogen peroxide (H2O2) and ferrous ion Fe2+ oxidizes many known organic compounds such as carboxylic acids, alcohols, and esters into an inorganic state. The reaction has high capability of removing organic pollutants which are difficult to degrade, and is widely applied to the treatment of printing and dyeing wastewater, oily wastewater, phenol-containing wastewater, coking wastewater, nitrobenzene-containing wastewater, diphenylamine wastewater and other wastewater.

At present, the single sewage treatment means and the efficiency can not meet some requirements, a cooperative treatment system needs to be provided to increase the sewage treatment effect, but the maintenance frequency of the treatment device is increased after the sewage treatment efficiency is increased.

Therefore, an MBR membrane biological Fenton catalytic oxidation is proposed to be cooperated with a sewage treatment system to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a MBR membrane biological Fenton catalytic oxidation cooperative sewage treatment system.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a MBR membrane biological Fenton catalytic oxidation synergistic sewage treatment system comprises a first treatment tank and a second treatment tank, wherein a water inlet pipe is fixedly connected to the left side wall of the first treatment tank, the first treatment tank and the second treatment tank are fixedly connected and communicated through a connecting pipe, a plurality of screen cages filled with a Fenton reaction catalyst are vertically arranged in the first treatment tank, the screen cages are fixedly connected with a first fixing plate at the upper side, the first fixing plate is fixedly connected with the first treatment tank through a first lifting structure, a dosing pipe is vertically arranged at one side of each screen cage, the dosing pipe is fixedly connected with the side wall of the first treatment tank, the upper end of the dosing pipe extends out of the first treatment tank, a plurality of MBR membrane bioreactors are vertically and uniformly distributed in the second treatment tank, a second fixing plate is horizontally arranged at the upper side of the membrane bioreactor, and the plurality of membrane bioreactors are fixedly connected with a second fixing plate, the second fixed plate is fixedly connected with the second treatment tank through a second lifting mechanism, the MBR membrane bioreactor is provided with a plurality of water outlet pipes at the upper side, the water outlet pipes are respectively fixedly connected with the MBR membrane bioreactors through a plurality of branch pipes, and the MBR membrane bioreactors are provided with bubbling structures at the lower sides.

Preferably, the first lifting structure comprises an inverted U-shaped frame fixedly arranged on the upper side of the first treatment tank, two electric hoists are symmetrically and fixedly connected to the upper end face of the inverted U-shaped frame, and the hanging ends of the two electric hoists penetrate through the inverted U-shaped frame downwards and are fixedly connected with the first fixing plate.

Preferably, the first lifting mechanism and the second lifting mechanism are identical in structure.

Preferably, the connecting pipe is fixedly connected with a PH adjusting box, and the upper end face of the PH adjusting box is fixedly provided with an adding port.

Preferably, the bubbling structure includes that the level sets up the blast pipe in screen cloth cage downside, it is fixed on the blast pipe is equipped with a plurality of gas outlets, and is a plurality of the gas outlet corresponds with a plurality of MBR membrane bioreactor interval positions, second processing tank is run through to blast pipe one end and extends to the outside, fixedly connected with air-blower on the blast pipe, the air-blower is fixed to be set up on the second processing tank lateral wall.

Preferably, the outlet pipe is the type of falling L, be equipped with one end corrugated hose on the vertical section of outlet pipe.

Preferably, a drain pipe is horizontally arranged at the bottom in the second treatment tank, the drain pipe penetrates through the second treatment tank and extends to the outside, and a drain pump is fixedly connected to the drain pipe.

Preferably, the screen mesh cage is provided with a cage door capable of being opened.

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

1. the sewage treatment system sequentially treats sewage through the MBR membrane bioreactor and the Fenton catalytic oxidation method, has a high sewage treatment effect, a good sewage purification effect and a reasonable overall structure, and is provided with the adjusting box for adjusting the PH value in the middle of the first treatment tank and the second treatment tank, so that the sewage treatment effect is ensured, and the whole use is convenient.

2. This processing system is to sewage treatment efficiency, therefore MBR membrane bioreactor and fenton catalytic filler go wrong easily, need often change and maintain, consequently can mention MBR membrane bioreactor and the screen cloth cage that has the catalyst through the electric hoist, conveniently operates, guarantees sewage purification efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a MBR membrane biological Fenton catalytic oxidation and sewage treatment system provided by the utility model;

fig. 2 is the external structure schematic diagram of the MBR membrane biological fenton catalytic oxidation synergistic sewage treatment system provided by the utility model.

In the figure: 1 second treatment tank, 2 water inlet pipes, 3MBR (membrane bioreactor), 4 second fixing plates, 5 water outlet pipes, 6 screen mesh cages, 7 dosing pipes, 8 inverted U-shaped frames, 9 electric hoists, 10 blast pipes, 11 air blowers, 12 sewage discharge pipes, 13 sewage discharge pumps, 14 first treatment tanks, 15 connecting pipes, 16 first fixing plates and 17PH adjusting boxes.

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.

Referring to fig. 1-2, a MBR membrane biological Fenton catalytic oxidation sewage treatment system in coordination, including first treatment tank 14 and second treatment tank 1, the bottom level is equipped with blow off pipe 12 in the second treatment tank 1, blow off pipe 12 runs through second treatment tank 1 and extends to the outside, fixedly connected with dredge pump 13 on the blow off pipe 12, the mud that gathers can be discharged in the work of dredge pump 13, first treatment tank 14 left side wall fixedly connected with oral siphon 2, first treatment tank 14 and second treatment tank 1 are through connecting pipe 15 fixed connection and intercommunication, fixedly connected with PH regulating box 17 on the connecting pipe 15, the fixed interpolation mouth that is equipped with of PH regulating box 17 up end.

Wherein, the vertical screen cloth cage 6 that is equipped with a plurality of fenton's reaction catalyst of packing in the first treatment trough 14, be equipped with the cage door that can open on the screen cloth cage 6, can change the catalyst, a plurality of screen cloth cages 6 all with the 16 fixed connection of first fixed plate of upside, first fixed plate 16 is through first elevation structure and 14 fixed connection of first treatment trough, first elevation structure is including the fixed inverted U type frame 8 that sets up at the 14 upside of first treatment trough, two electric hoist 9 of 8 up end symmetry fixedly connected with of inverted U type frame, the end that hangs of two electric hoist 9 runs through the inverted U type frame 8 downwards and with 16 fixed connection of first fixed plate, electric hoist 9 adopts prior art, work through electric hoist 9, can mention first fixed plate 16, thereby drive a plurality of screen cloth cages 6 rebound, conveniently change and maintain.

Wherein, the vertical dosing pipe 7 that is equipped with in 6 one side of a plurality of screen cloth cages, dosing pipe 7 and the 14 lateral walls fixed connection of first treatment tank, and the dosing pipe 7 upper end extends to outside the first treatment tank 14, be used for adding reaction medicine and adjusting acid, vertical equipartition has a plurality of MBR membrane bioreactors 3 in the second treatment tank 1, adopt prior art, better sewage purification effect has, MBR membrane bioreactor 3 upside level is equipped with second fixed plate 4, a plurality of MBR membrane bioreactors 3 all with second fixed plate 4 fixed connection, second fixed plate 4 passes through second elevating system and 1 fixed connection of second treatment tank, first elevating system and second elevating system structure are the same, a plurality of MBR membrane bioreactors 3 also can mention convenient maintenance and change.

Wherein, 3 upsides of a plurality of MBR membrane bioreactors are equipped with outlet pipe 5, outlet pipe 5 is the type of falling L, be equipped with one end corrugated hose on the 5 vertical sections of outlet pipe, do not influence the lift of second fixed plate 4, outlet pipe 5 is respectively with 3 fixed connection of a plurality of MBR membrane bioreactors through a plurality of branch pipes, 3 downside of a plurality of MBR membrane bioreactors is equipped with the bubbling structure, the bubbling structure includes that the level sets up blast pipe 10 at 6 downside of screen mesh cage, the fixed a plurality of gas outlets that are equipped with on blast pipe 10, a plurality of gas outlets correspond with 3 spaced position of a plurality of MBR membrane bioreactors, blast pipe 10 one end runs through second treatment tank 1 and extends to the outside, fixedly connected with air-blower 11 on blast pipe 10, air-blower 11 is fixed to be set up on 1 lateral wall of second treatment tank.

The utility model discloses in, when using the device, lead into first treatment tank 14 with sewage through oral siphon 2, add the medicine and the acid regulation material of fenton's reaction through dosing pipe 7 simultaneously, produce the reaction with sewage, when sewage passes through screen cage 6, the catalyst that packs in screen cage 6 can play the catalytic action, carry out the fenton's reaction, the water that the reaction obtained leads into second treatment tank 1 through connecting

pipe

15, 11 work of air-blower at this moment bubble to the processing position, then handle waste water through MBR membrane bioreactor 3 and activated sludge, then lead out the water purification after will handling through outlet pipe 5; the live time is longer, and when purification efficiency low problem appeared in sewage, through the work of electric hoist 9, mention first fixed plate 16 and second fixed plate 4 to mention a plurality of MBR membrane bioreactors 3 and screen cloth cage 6, conveniently change and maintain, guarantee the sewage treatment effect.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The MBR membrane biological Fenton catalytic oxidation cooperative sewage treatment system comprises a first treatment tank (14) and a second treatment tank (1), and is characterized in that a water inlet pipe (2) is fixedly connected to the left side wall of the first treatment tank (14), the first treatment tank (14) and the second treatment tank (1) are fixedly connected and communicated through a connecting pipe (15), a plurality of screen cages (6) filled with a Fenton reaction catalyst are vertically arranged in the first treatment tank (14), the screen cages (6) are fixedly connected with a first fixing plate (16) on the upper side, the first fixing plate (16) is fixedly connected with the first treatment tank (14) through a first lifting structure, a plurality of dosing pipes (7) are vertically arranged on one side of the screen cages (6), the dosing pipes (7) are fixedly connected with the side wall of the first treatment tank (14), and the upper ends of the dosing pipes (7) extend out of the first treatment tank (14), vertical equipartition has a plurality of MBR membrane bioreactor (3) in second treatment tank (1), MBR membrane bioreactor (3) upside level is equipped with second fixed plate (4), and is a plurality of MBR membrane bioreactor (3) all with second fixed plate (4) fixed connection, second fixed plate (4) are through second elevating system and second treatment tank (1) fixed connection, and are a plurality of MBR membrane bioreactor (3) upside is equipped with outlet pipe (5), outlet pipe (5) are through a plurality of branch pipes respectively with a plurality of membrane bioreactor (3) fixed connection, and are a plurality of MBR membrane bioreactor (3) downside is equipped with the tympanic bulla structure.

2. The MBR membrane biological Fenton catalytic oxidation sewage treatment system according to claim 1, wherein the first lifting structure comprises an inverted U-shaped frame (8) fixedly arranged at the upper side of the first treatment tank (14), two electric hoists (9) are symmetrically and fixedly connected to the upper end surface of the inverted U-shaped frame (8), and the hanging ends of the two electric hoists (9) penetrate through the inverted U-shaped frame (8) downwards and are fixedly connected with the first fixing plate (16).

3. The MBR membrane biological Fenton catalytic oxidation cooperative sewage treatment system of claim 2, wherein the first lifting mechanism and the second lifting mechanism are identical in structure.

4. The MBR membrane biological Fenton catalytic oxidation and sewage treatment system according to claim 1, wherein a PH adjusting box (17) is fixedly connected to the connecting pipe (15), and an adding port is fixedly arranged on the upper end surface of the PH adjusting box (17).

5. The MBR membrane biological Fenton catalytic oxidation sewage treatment system according to claim 1, wherein the bubbling structure comprises a blast pipe (10) horizontally arranged on the lower side of the screen cage (6), a plurality of air outlets are fixedly arranged on the blast pipe (10), the plurality of air outlets correspond to the plurality of MBR membrane bioreactors (3) at intervals, one end of the blast pipe (10) extends to the outside through the second treatment tank (1), an air blower (11) is fixedly connected to the blast pipe (10), and the air blower (11) is fixedly arranged on the side wall of the second treatment tank (1).

6. The MBR membrane biological Fenton catalytic oxidation and sewage treatment system according to claim 1, wherein the water outlet pipe (5) is in an inverted L shape, and a corrugated hose at one end is arranged on a vertical section of the water outlet pipe (5).

7. The MBR membrane biological Fenton catalytic oxidation cooperative sewage treatment system according to claim 1, wherein a drain pipe (12) is horizontally arranged at the bottom in the second treatment tank (1), the drain pipe (12) extends to the outside through the second treatment tank (1), and a drain pump (13) is fixedly connected to the drain pipe (12).

8. The MBR membrane biological Fenton catalytic oxidation and sewage treatment system according to claim 1, wherein the screen cage (6) is provided with a cage door which can be opened.