CN213357070U

CN213357070U - Multistage double-membrane A-MBR (membrane bioreactor) deep denitrification device

Info

Publication number: CN213357070U
Application number: CN202021727800.0U
Authority: CN
Inventors: 王军; 马駮; 赵敏丽; 吴军利
Original assignee: Xi'an Weilv Environmental Protection Technology Co ltd
Current assignee: Xi'an Weilv Environmental Protection Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-04
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to the technical field of MRB denitrification, a multistage double-membrane A-MBR deep denitrification device, which comprises a double-membrane denitrification device, an anaerobic chamber and an aerobic chamber, wherein the outer side of the aerobic chamber is fixedly connected with a main body, the center at the lower part in the main body is fixedly connected with a first aerator, the right side of the first aerator is fixedly connected with a first aeration pipe, the other end of the first aeration pipe is fixedly connected with the aerobic chamber, the upper part of the aerobic chamber is fixedly connected with a first motor, a main shaft of the first motor is fixedly connected with a stirring shaft, the inner side of the stirring shaft is fixedly connected with an inner pipe, the lower end of the inner pipe is fixedly connected with a first aeration pipe, the outer side of the stirring shaft is fixedly connected with a rotating blade, in the utility model, through the arranged anaerobic chamber and a heating plate, oxygen in the rapid sewage can be heated, and the removal of nitrogen element is, the practicability of the device is improved.

Description

Multistage double-membrane A-MBR (membrane bioreactor) deep denitrification device

Technical Field

The utility model relates to a MRB denitrogenation technical field specifically is a multistage two membrane A-MBR degree of depth denitrification device.

Background

The process of denitrification treatment of wastewater for preventing water eutrophication is generally divided into two processes, namely a physical and chemical process and a biological denitrification process, wherein the physical and chemical denitrification process comprises a breakpoint oxidation process, an air stripping or steam stripping process and a selective ion exchange process, and practically, a product denitrification process of nitrification and denitrification is mostly adopted, namely, firstly, nitrifying bacteria in wastewater are utilized to oxidize nitrogen compounds into nitrates under aerobic conditions, then, under anoxic conditions, the oxygen is reduced to be less than 0.5rznr.IL, and the nitrates are reduced into gaseous nitrogen and other final gaseous products by utilizing the denitrifying bacteria in wastewater and released into the atmosphere.

The denitrification device who uses at present is when carrying out the denitrogenation to sewage, and the process of denitrogenation is because the MBR module is when filtering sewage, and the easy surface of blockking up is easily remained and is filtered remaining material, because the MBR module blocks up and leads to subsequent process can not continue to go on, reduces the live time of device, and sewage is most all to stirring the oxygen concentration that reduces in the sewage to sewage in the anaerobism storehouse, and this kind of method has greatly increased reaction time, influences the efficiency of device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage two membrane A-MBR degree of depth denitrification device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a multistage double-membrane A-MBR deep denitrification device comprises a double-membrane denitrification device, an anaerobic bin and an aerobic bin, wherein the outer side of the aerobic bin is fixedly connected with a main body, the center of the lower part in the main body is fixedly connected with a first aerator, the right side of the first aerator is fixedly connected with a first aerator pipe, the other end of the first aerator pipe is fixedly connected with the aerobic bin, a first motor is fixedly connected above the aerobic bin, the main shaft of the first motor is fixedly connected with a stirring shaft, the inner side of the stirring shaft is fixedly connected with an inner pipe, the lower end of the inner pipe is fixedly connected with the first aerator pipe, the outer side of the stirring shaft is fixedly connected with a rotating blade, the outer side of the rotating blade is fixedly connected with an aeration nozzle, the inner side of the aerobic bin is fixedly connected with a rotating brush aerator, the right side of the aerobic bin is fixedly connected with a drain, a first water inlet pipe is fixedly connected above the aerobic bin.

Preferably, the first inlet tube of anaerobism storehouse left side below fixedly connected with, first inlet tube outside fixedly connected with second solenoid valve, anaerobism storehouse top central authorities fixedly connected with second motor, second motor spindle fixedly connected with pivot, pivot outside fixedly connected with changes the leaf, anaerobism storehouse top left end fixedly connected with outlet duct, anaerobism storehouse right-hand member fixedly connected with thermometer, the inside below fixedly connected with heating plate in anaerobism storehouse, anaerobism storehouse left side top fixedly connected with second inlet tube, the first water pump of second inlet tube outside fixedly connected with, second inlet tube other end fixedly connected with two membrane denitrification facility.

Preferably, two membrane denitrification facility include shell, biomembrane and MBR module, shell top fixedly connected with third intake pipe, third intake pipe central authorities fixedly connected with second water pump, third intake pipe below fixedly connected with pipeline, pipeline outside fixedly connected with third solenoid valve, pipeline below fixedly connected with biomembrane, the inside top fixedly connected with MBR module of biomembrane, the inboard bottom fixedly connected with second aeration pipe of shell, second aeration pipe top fixedly connected with aeration mouth, the shell left side is equipped with the second aeration machine, second aeration machine right side fixedly connected with second aeration pipe.

Preferably, the interior of the stirring shaft is hollow, and an inner pipe is fixedly connected inside the stirring shaft.

Preferably, the MBR modules are fixedly connected to the inner part of the biological membrane, and the MBR modules are equidistant.

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

1. in the utility model, through the anaerobic bin and the aerobic bin, the heating piece and the second motor in the anaerobic bin can be used for heating and stirring the aerobic bin, so as to accelerate the removal of oxygen in water, create an anaerobic environment for sewage, accelerate the removal of nitrogen, aerate sewage through the aerobic bin, remove nitrogen in sewage through microorganisms, and improve the practicability of the device;

2. the utility model discloses in, through biomembrane, MBR module and the second aeration pipe that sets up, through the biomembrane of peripheral ammonium ion that adds, adsorb the explanation ammonium ion, reduce the mixed concentration that gets into the MBR module simultaneously, reduce the jam probability of MBR module, prolong the cleaning time of MBR module, can filter the nitrogen element in the sewage through biomembrane and MBR module simultaneously for nitrogen element's getting rid of, improve the practicality and the efficiency of device.

Drawings

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

FIG. 2 is a schematic view of the dual-membrane denitrification apparatus of the present invention.

In the figure: 1-double-membrane denitrification device, 101-shell, 102-third water inlet pipe, 103-second water pump, 104-pipeline, 105-third electromagnetic valve, 106-biological membrane, 107-MBR membrane group, 108-aeration port, 109-second aerator, 110-second aerator, 2-main body, 3-first aerator, 4-first aerator, 5-inner pipe, 6-aerobic bin, 7-first motor, 8-stirring shaft, 9-aeration nozzle, 10-drain pipe, 11-first electromagnetic valve, 12-rotary brush aerator, 13-rotary blade, 14-first water inlet pipe, 15-anaerobic bin, 16-second motor, 17-thermometer, 18-rotary shaft, 19-rotary blade, 20-heating sheet, 21-air outlet pipe, 22-second water inlet pipe, 23-first water pump and 24-second electromagnetic valve.

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. 1-2, the present invention provides a technical solution:

a multistage double-membrane A-MBR deep denitrification device comprises a double-membrane denitrification device 1, an anaerobic bin 15 and an aerobic bin 6, wherein a main body 2 is fixedly connected to the outer side of the aerobic bin 6, a first aerator 3 is fixedly connected to the center below the inner part of the main body 2, a first aerator pipe 4 is fixedly connected to the right side of the first aerator 3, the other end of the first aerator pipe 4 is fixedly connected with the aerobic bin 6, a first motor 7 is fixedly connected to the upper part of the aerobic bin 6, a stirring shaft 8 is fixedly connected to a main shaft of the first motor 7, an inner pipe 5 is fixedly connected to the inner side of the stirring shaft 8, a first aerator pipe 4 is fixedly connected to the lower end of the inner pipe 5, a rotating blade 13 is fixedly connected to the outer side of the stirring shaft 8, an aeration nozzle 9 is fixedly connected to the outer side of the rotating blade 13, a rotating brush aerator 12 is fixedly connected to the left side of, a first water inlet pipe 14 is fixedly connected above the aerobic bin 6.

A first water inlet pipe 14 is fixedly connected to the lower portion of the left side of the anaerobic bin 15, a second electromagnetic valve 24 is fixedly connected to the outer side of the first water inlet pipe 14, a second motor 16 is fixedly connected to the center of the upper portion of the anaerobic bin 15, a spindle 18 of the second motor 16 is fixedly connected to the spindle, a rotating blade 19 is fixedly connected to the outer side of the spindle 18, an air outlet pipe 21 is fixedly connected to the left end of the upper portion of the anaerobic bin 15, a thermometer 17 is fixedly connected to the right end of the anaerobic bin 15, a heating plate 20 is fixedly connected to the lower portion of the inner portion of the anaerobic bin 15, a second water inlet pipe 22 is fixedly connected to the upper portion of the left side of the anaerobic bin 15, a first water pump 23 is fixedly connected to the outer side of the second water inlet pipe 22; the double-membrane denitrification device 1 comprises a shell 101, a biological membrane 106 and an MBR module 107, a third water inlet pipe 102 is fixedly connected to the upper part of the shell 101, a second water pump 103 is fixedly connected to the center of the third water inlet pipe 102, a pipeline 104 is fixedly connected to the lower part of the third water inlet pipe 102, a third electromagnetic valve 105 is fixedly connected to the outer side of the pipeline 104, a biological membrane 106 is fixedly connected to the lower part of the pipeline 104, an MBR module 107 is fixedly connected to the upper part of the inner part of the biological membrane 106, a second aeration pipe 110 is fixedly connected to the bottom of the inner side of the shell 101, an aeration port 108 is fixedly connected to the upper part of the second aeration pipe 110, a second aerator 109 is arranged on the left side of the shell 101, a second aeration pipe 110 is fixedly connected to the right side; the interior of the stirring shaft 8 is hollow, the interior of the stirring shaft 8 is fixedly connected with an inner pipe 5, and the aeration and stirring are accelerated in the aerobic bin 6, so that the reaction rate is improved; the MBR modules 107 are fixedly connected inside the biological membrane 106, and the MBR modules 107 are equidistant, so that the MBR modules 107 are prevented from being blocked by times, and the practicability of the device is improved.

The working process is as follows: when the sewage treatment device works, sewage enters the pipeline 104 through the third water inlet pipe 102, the sewage is pumped into the pipeline through the second water pump 103, the third electromagnetic valve 105 is opened at the moment, the sewage enters the MBR module 107 through the pipeline, the sewage is filtered through the MBR module 107, the sewage can be further filtered through the biological membrane 106, ammonium ions are added around the biological membrane 106 to adsorb and degrade the ammonium ions, the concentration of a mixture in the MBR module 107 is reduced, the blockage of the MBR module 107 can be reduced, the service time of the MBR module 107 is prolonged, after the MBR module 107 and the biological membrane 106 pass through, the second aerator 109 is started to aerate the solution, the adsorption and interpretation of aerobic bacteria in the water on nitrogen in the solution are accelerated through aeration, the second aerator 109 starts to aerate the solution through the aeration port 108 on the second aeration pipe 110, the second electromagnetic valve 24 is closed after the solution is treated, the solution is pumped into the anaerobic bin 15 through the second water inlet pipe 23 by the first water pump 23, at this time, the heating sheet 20 and the second motor 16 are manually started, the second motor 16 drives the rotating shaft 18 and the rotating blade 19 to rotate, the heating sheet 20 heats water, the temperature in the anaerobic bin 15 can be observed through the thermometer 17, oxygen in the mixture solution is removed through heating, then anaerobic bacteria in the anaerobic bin 15 begin to adsorb and decompose substances containing nitrogen elements, after the completion, the second electromagnetic valve 24 is opened, then the solution enters the aerobic bin 6 through the first water inlet pipe 14, a device in the aerobic bin 6 is manually started, after the solution enters the aerobic bin 6, the first electromagnetic valve 11 is closed at this time, the first motor 7 and the first aerator 3 are started, the first aerator 3 begins to aerate the aerobic bin 6, and decomposition and reduction of nitrogen elements in the mixture by aerobic organisms are accelerated, the brush aerator 12 can accelerate aeration of the solution, and when most of nitrogen elements in the mixture are removed, the first electromagnetic valve 11 can be opened, filtered water can pass through the drain pipe 10, denitrification of sewage is completed in the process, the device can prolong the service life of the MBR module 107, and the denitrification efficiency is improved.

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 multistage two membrane A-MBR degree of depth denitrification device, includes two membrane denitrification device (1), anaerobism storehouse (15) and aerobic storehouse (6), its characterized in that: the outer side of the aerobic bin (6) is fixedly connected with a main body (2), the center of the lower part in the main body (2) is fixedly connected with a first aerator (3), the right side of the first aerator (3) is fixedly connected with a first aerator pipe (4), the other end of the first aerator pipe (4) is fixedly connected with the aerobic bin (6), the upper part of the aerobic bin (6) is fixedly connected with a first motor (7), a main shaft of the first motor (7) is fixedly connected with a stirring shaft (8), the inner side of the stirring shaft (8) is fixedly connected with an inner pipe (5), the lower end of the inner pipe (5) is fixedly connected with the first aerator pipe (4), the outer side of the stirring shaft (8) is fixedly connected with a rotating blade (13), the outer side of the rotating blade (13) is fixedly connected with an aeration nozzle (9), and the inner side of the aerobic bin (6) is fixedly connected, the aerobic bin (6) right side fixedly connected with drain pipe (10), the first solenoid valve (11) of drain pipe (10) outside fixedly connected with, the first inlet tube (14) of aerobic bin (6) top fixedly connected with.

2. The multistage double-membrane A-MBR deep denitrification device of claim 1, wherein: a first water inlet pipe (14) is fixedly connected to the lower part of the left side of the anaerobic bin (15), a second electromagnetic valve (24) is fixedly connected to the outer side of the first water inlet pipe (14), a second motor (16) is fixedly connected with the center above the anaerobic bin (15), a spindle of the second motor (16) is fixedly connected with a rotating shaft (18), the outer side of the rotating shaft (18) is fixedly connected with a rotating blade (19), the left end of the upper part of the anaerobic bin (15) is fixedly connected with an air outlet pipe (21), a thermometer (17) is fixedly connected at the right end of the anaerobic chamber (15), a heating sheet (20) is fixedly connected at the lower part inside the anaerobic chamber (15), a second water inlet pipe (22) is fixedly connected above the left side of the anaerobic bin (15), a first water pump (23) is fixedly connected with the outer side of the second water inlet pipe (22), the other end of the second water inlet pipe (22) is fixedly connected with a double-membrane denitrification device (1).

3. The multistage double-membrane A-MBR deep denitrification device of claim 1, wherein: the double-membrane denitrification device (1) comprises a shell (101), a biological membrane (106) and an MBR module (107), a third water inlet pipe (102) is fixedly connected above the shell (101), a second water pump (103) is fixedly connected at the center of the third water inlet pipe (102), a pipeline (104) is fixedly connected below the third water inlet pipe (102), a third electromagnetic valve (105) is fixedly connected on the outer side of the pipeline (104), a biological membrane (106) is fixedly connected below the pipeline (104), an MBR module (107) is fixedly connected above the interior of the biological membrane (106), the bottom of the inner side of the shell (101) is fixedly connected with a second aeration pipe (110), an aeration opening (108) is fixedly connected above the second aeration pipe (110), a second aerator (109) is arranged on the left side of the shell (101), the right side of the second aerator (109) is fixedly connected with a second aerator pipe (110).

4. The multistage double-membrane A-MBR deep denitrification device of claim 1, wherein: the stirring shaft (8) is hollow, and an inner pipe (5) is fixedly connected inside the stirring shaft (8).

5. The multistage double-membrane A-MBR deep denitrification device of claim 3, wherein: the MBR modules (107) are fixedly connected to the inner part of the biological membrane (106), and the MBR modules (107) are equidistant.