CN112499890B - Multistage AO and MBR membrane process combined sewage treatment equipment and treatment method - Google Patents
Multistage AO and MBR membrane process combined sewage treatment equipment and treatment method Download PDFInfo
- Publication number
- CN112499890B CN112499890B CN202011228112.4A CN202011228112A CN112499890B CN 112499890 B CN112499890 B CN 112499890B CN 202011228112 A CN202011228112 A CN 202011228112A CN 112499890 B CN112499890 B CN 112499890B
- Authority
- CN
- China
- Prior art keywords
- groups
- sewage
- bin
- aerobic
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A sewage treatment device combining multistage AO and MBR membrane processes comprises a shell, a first sewage discharge pipe and a water collecting tank; a filtering bin, an anaerobic bin, an aerobic bin and a water storage bin are sequentially arranged in the shell along the height of the shell; the filtering bin is provided with a sewage inlet and a first sewage outlet on the shell; an anaerobic tank communicated with the filter bin is enclosed in the anaerobic bin through a plurality of groups of first baffles; the outer end surface of the anaerobic tank and the inner wall of the anaerobic bin enclose a first drainage space; an air delivery pipe used for connecting aeration equipment is arranged in the aerobic chamber, and an aerobic pool communicated with the first drainage space is enclosed by the aerobic chamber and the inner wall of the aerobic chamber through a plurality of groups of second baffles; a second drainage space is enclosed between the inner circumferential surface of the aerobic tank and the bottom surface of the aerobic chamber; the water collecting tank is arranged in the water storage bin and is communicated with the second drainage space, and a plurality of groups of MBR membrane reactors are arranged on the bottom surface of the water collecting tank; the water storage bin is provided with a drain pipe on the shell. The invention can efficiently treat the sewage and can reduce the sewage treatment cost.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device and a sewage treatment method combining a multistage AO and MBR membrane process.
Background
The sewage or waste water generated in human production and living, if discharged into the natural environment without treatment, will not only pollute the human living environment, but also pose a threat to human health. Therefore, the produced sewage or wastewater needs to be treated, the treated water resource can reach the standard and be discharged to natural water or recycled as reclaimed water so as to reduce the pollution to the natural environment, and the reclaimed water recycling not only saves the human water resource but also saves the production cost. The existing processes such as an activated sludge process, a traditional contact oxidation process, a traditional MBR and the like have respective advantages and disadvantages, and in cities and towns and even remote rural areas of China, due to the reasons of high cost of sewage treatment equipment, high equipment operation difficulty, high complication degree, inconvenient maintenance and the like, the sewage treatment equipment cannot be popularized and used in vast remote areas, so that the water pollution form of the vast remote areas of China is still severe; therefore, the application provides a sewage treatment device and a sewage treatment method combining multistage AO and MBR membrane processes.
Disclosure of Invention
Object of the invention
In order to solve the technical problems in the background art, the invention provides sewage treatment equipment and a sewage treatment method combining a multistage AO and MBR membrane process.
(II) technical scheme
In order to solve the problems, the invention provides a sewage treatment device combining multistage AO and MBR membrane processes, which comprises a shell, a first sewage discharge pipe, a water collecting tank and a drain pipe;
a plurality of groups of supporting columns are arranged on the bottom surface of the shell, and a first partition plate, a second partition plate and a third partition plate are arranged in the shell along the height direction; the first partition plate, the second partition plate and the third partition plate are distributed side by side and used for sequentially dividing the interior of the shell into a filtering bin, an anaerobic bin, an aerobic bin and a water storage bin;
the end surface of the shell of the filtering bin is provided with a sewage inlet and a first sewage discharge port which are used for connecting the pipe orifice of the sewage inlet pipe; the first sewage discharge port is connected with the sewage inlet port of the first sewage discharge pipe; a first control valve is arranged on the first sewage discharge pipe;
a plurality of groups of first baffles are arranged in the anaerobic bin; an anaerobic tank is enclosed between the plurality of groups of first baffles and the inner wall of the bottom surface of the anaerobic bin; a first drainage space is defined by the outer end surface of the anaerobic tank, the inner wall of the anaerobic bin and the bottom surface of the anaerobic bin; the first drainage space is provided with a plurality of groups of first drainage holes on the second clapboard; wherein, the first clapboard is provided with a plurality of groups of first filtering holes for enabling the filtered sewage in the filtering bin to fall into the anaerobic tank;
a gas pipe used for connecting aeration equipment is arranged in the aerobic bin, and a plurality of groups of second baffles are arranged in the aerobic bin; an aerobic pool is enclosed among the plurality of groups of second baffles, the inner wall of the aerobic bin and the bottom surface of the aerobic bin; sewage falls from a plurality of groups of first drainage holes and is collected in the aerobic tank; a second drainage space is enclosed between the inner peripheral surface of the aerobic tank and the bottom surface of the aerobic bin; the third partition board is provided with a second water outlet hole;
the water collecting tank is positioned in the water storage bin and connected with the end face of the third partition plate positioned in the water storage bin, a plurality of groups of first through holes used for being connected with a plurality of groups of second water discharging holes through pipelines are formed in the water collecting tank, and a plurality of groups of MBR membrane reactors are arranged on the bottom surface of the water collecting tank; the MBR membrane reactors are all communicated with the interior of the water collecting tank;
the shell of the water storage bin is provided with a purified water discharge hole; the water inlet pipe orifice of the drain pipe is connected with the purified water discharge hole, and the drain pipe is provided with a second control valve.
Preferably, the first partition plate includes a horizontal plate and an inclined plate; wherein, a plurality of groups of first filtering holes are arranged on the inclined plate; the sewage inlet is arranged on the side end face of the shell;
one end of the inclined plate is connected with the inner wall of the filtering bin, the inclined plate is inclined downwards towards one side far away from the sewage inlet, and the other end of the inclined plate is connected with one end of the horizontal plate; one end of the horizontal plate is connected with the inner wall of the filter bin.
Preferably, the projection shape of each group of first baffle is a circular ring, and the height values of the multiple groups of first baffles are gradually reduced towards the inner wall of the anaerobic chamber along the central axis direction of the anaerobic chamber.
Preferably, the device comprises a plurality of groups of first packing, a plurality of groups of first drain pipes and a plurality of groups of second drain pipes; the anaerobic tanks are arranged in the anaerobic tanks, and each anaerobic tank is provided with a first bearing plate;
a plurality of groups of second filtering holes are formed in the first bearing plate, and a first placing space for storing a plurality of groups of first fillers is defined between the upper end surface of the first bearing plate and the inner wall of the anaerobic tank;
a plurality of groups of first drainage pipes are positioned in the aerobic chamber, pipe orifices at one end of the plurality of groups of first drainage pipes are respectively connected with a plurality of groups of first drainage holes, a plurality of groups of first electromagnetic control valves are arranged on the plurality of groups of first drainage pipes, and the plurality of groups of first drainage pipes are all communicated with the second drainage pipe; the second sewage draining pipe penetrates through the shell in a sealing way.
Preferably, the projection shape of each group of second baffle is a circular ring, and the height values of the multiple groups of second baffles are gradually reduced along the inner wall of the aerobic chamber towards the central axis direction of the aerobic chamber.
Preferably, the sewage treatment device comprises a plurality of groups of second fillers, a plurality of groups of second drain pipes and a third drain pipe; wherein, each group of aerobic chambers is internally provided with a second bearing plate, and the bottom surface of each group of aerobic tanks is provided with a second drain hole;
a plurality of groups of third filtering holes are formed in the second bearing plate, and a second placing space for storing a plurality of groups of second fillers is defined between the upper end surface of the second bearing plate and the inner wall of the aerobic bin;
a plurality of groups of second drainage pipes are positioned in the water storage bin, pipe orifices at one end of the plurality of groups of second drainage pipes are respectively connected with a plurality of groups of second drainage holes, a plurality of groups of second electromagnetic control valves are arranged on the plurality of groups of second drainage pipes, and the plurality of groups of second drainage pipes are all communicated with a third drainage pipe; the third sewage discharge pipe penetrates out of the shell in a sealing way.
Preferably, each group of MBR membrane reactors comprises a filter cartridge, a first pipeline and an end cover;
the end cover is connected with one end of the filter cylinder; the inner wall of the filter cylinder is provided with an MBR membrane, and the outer peripheral surface of the M filter cylinder is provided with a plurality of groups of water outlets;
the cartridge filter and gather the water tank respectively are connected at the both ends of first pipeline, wherein gather water tank, first pipeline and cartridge filter and communicate in proper order.
Preferably, the device also comprises a plurality of groups of three-way pipes, a gas conveying pipe, a high-pressure gas generating device, a collecting box and a fourth blow-off pipe; the end cover is provided with a second pipeline used for communicating the interior of the filter cartridge; a fifth electromagnetic control valve is arranged on the second pipeline;
the collecting box is positioned in the water storage bin and connected with the inner wall of the water storage bin, the collecting box is positioned right below the water collecting box, and a plurality of groups of second through holes for connecting a plurality of groups of second pipelines are formed in the end face, facing the water collecting box, of the collecting box; the fourth sewage discharge pipe is connected with the bottom surface of the shell and penetrates into the shell in a sealing way, and the fourth sewage discharge pipe is communicated with the inside of the collecting box;
one end pipe orifices of the multiple groups of three-way pipes are respectively connected with multiple groups of water outlet holes, one liquid outlet port of each group of three-way pipes is provided with a third electromagnetic control valve, one air inlet port of each group of three-way pipes is provided with multiple groups of fourth electromagnetic control valves, and one air inlet port of each group of three-way pipes is communicated with the air delivery pipe; the air inlet port of the air pipe is connected with the air outlet end of the high-pressure gas generating device.
Preferably, the device also comprises a water inlet pipe and a liquid conveying device; wherein, the water collecting tank is provided with a purified water inlet;
one end pipe orifice of the water inlet pipe is connected with the purified water inlet, and the other end pipe orifice of the water inlet pipe is connected with the liquid outlet port of the liquid feeding device.
The invention also provides a using method of the sewage treatment equipment combining the multistage AO and MBR membrane process, which comprises the following specific steps:
s1, discharging sewage into a filtering bin through a sewage inlet pipe;
s2, filtering impurities in the sewage through a first partition plate and retaining the impurities on the first partition plate, and finally discharging the impurities through a first sewage discharge pipe; the sewage falls into the anaerobic tank from the plurality of groups of first filtering holes for anaerobic treatment;
s3, flood-irrigating the sewage subjected to anaerobic treatment into a first drainage space from the anaerobic tank, and finally, allowing the sewage to fall into an aerobic tank from a plurality of groups of first drainage holes for aerobic treatment;
s4, flood-irrigating the sewage subjected to aerobic treatment into a second drainage space from the aerobic pool and finally dropping into a water collecting tank from a plurality of groups of second drainage holes;
and S5, enabling sewage in the water collecting tank to flow into a plurality of groups of MBR membrane reactors for treatment, and collecting the sewage flowing from the MBR membrane reactors in the water storage bin.
The technical scheme of the invention has the following beneficial technical effects:
when the sewage filter is used, sewage is discharged into the filter bin through the sewage inlet pipe; sewage entering the filtering bin passes through a plurality of groups of first filtering holes on the first partition plate and falls into the anaerobic tank for anaerobic treatment, impurities in the sewage are filtered and retained on the first partition plate, and the impurities are finally discharged by the first sewage discharge pipe; the sewage after the anaerobic treatment is flooded into the first drainage space from the anaerobic tank and finally falls into the aerobic tank from a plurality of groups of first drainage holes for aerobic treatment; the sewage after the aerobic treatment is flooded into the second drainage space from the aerobic pool and finally falls into the water collecting tank from a plurality of groups of second drainage holes; sewage in the water collecting tank flows into a plurality of groups of MBR membrane reactors for treatment, sewage in the flow process from the MBR membrane reactors is collected in the water storage bin, and the sewage can be efficiently treated through the process to obtain purified water which can be recycled;
in the invention, sewage entering a filter cylinder is purified by an MBR membrane and then flows into a three-way pipe, a third electromagnetic control valve on one liquid outlet port of the three-way pipe is opened, and the treated sewage flows into a water storage bin from one liquid outlet port of the three-way pipe; after a period of time, if the MBR membrane needs to be cleaned, closing the multiple groups of third electromagnetic control valves and opening the multiple groups of fourth electromagnetic control valves; the high-pressure gas generating device conveys high-pressure gas into the multiple groups of three-way pipes from the gas conveying pipe and blows the high-pressure gas to the MBR membrane to clean the MBR membrane, so that the sewage treatment efficiency of the MBR membrane is improved; impurities falling from the MBR membrane enter the collecting box along the second pipeline and are discharged from the fourth sewage discharge pipe;
in addition, the invention also facilitates the discharge and collection of impurities and dirt generated in the sewage treatment process in the shell.
Drawings
FIG. 1 is a schematic structural diagram of a sewage treatment plant combining multistage AO and MBR membrane processes according to the present invention.
FIG. 2 is a schematic diagram of a partially enlarged structure at A position in a sewage treatment plant combining a multistage AO and MBR membrane process provided by the present invention.
FIG. 3 is a schematic diagram of a partial enlarged structure at B in a sewage treatment plant combining multistage AO and MBR membrane processes according to the present invention.
FIG. 4 is a schematic structural diagram of an MBR membrane reactor in a sewage treatment plant combining multistage AO and MBR membrane processes according to the present invention.
Reference numerals: 1. a housing; 2. a sewage inlet; 3. a sewage inlet pipe; 4. a first separator; 5. a filtering bin; 6. a first drain pipe; 7. a first filtering hole; 8. an anaerobic chamber; 9. a first baffle plate; 10. an anaerobic tank; 11. a first drainage space; 12. a first drain hole; 13. a second separator; 14. a first filler; 15. a first bearing plate; 16. a second sewage draining pipe; 17. a first solenoid control valve; 18. a second baffle; 19. an aerobic chamber; 20. a third partition plate; 21. a second drainage space; 22. a second filler; 23. a second carrier plate; 24. a third blow-off pipe; 25. a second solenoid control valve; 26. a water storage bin; 27. a drain pipe; 28. a support pillar; 29. a water collecting tank; 30. an MBR membrane reactor; 31. a collection box; 32. a fourth blow-off pipe; 301. a filter cartridge; 302. a first conduit; 303. MBR membrane; 304. a three-way pipe; 305. a third solenoid control valve; 306. a fourth solenoid control valve; 307. an end cap; 308. a second conduit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the sewage treatment equipment combining the multi-stage AO and MBR membrane processes provided by the invention comprises a shell 1, a first sewage discharge pipe 6, a water collecting tank 29 and a water discharge pipe 27;
a plurality of groups of supporting columns 28 are arranged on the bottom surface of the shell 1, and a first partition plate 4, a second partition plate 13 and a third partition plate 20 are arranged in the shell 1 along the height direction; the first partition plate 4, the second partition plate 13 and the third partition plate 20 are distributed side by side and used for sequentially dividing the interior of the shell 1 into a filtering bin 5, an anaerobic bin 8, an aerobic bin 19 and a water storage bin 26;
the end surface of the shell 1 of the filtering bin 5 is provided with a sewage inlet 2 and a first sewage discharge port which are used for connecting the pipe orifice of the sewage inlet pipe 3; the sewage inlet pipe 3 is connected with a sewage conveying device for conveying sewage into the shell 1;
in addition, a medicine adding hopper for adding medicine into the shell 1 is arranged on the shell 1;
a sewage inlet port of the first sewage discharge pipe 6 is connected with a first sewage discharge port, a first control valve is arranged on the first sewage discharge pipe 6, and impurities sliding from the first partition plate 4 into the first sewage discharge pipe 6 are discharged by opening the first control valve;
a plurality of groups of first baffle plates 9 are arranged in the anaerobic bin 8; an anaerobic tank 10 is enclosed between the plurality of groups of first baffles 9 and the inner wall of the bottom surface of the anaerobic bin 8; a first drainage space 11 is defined by the outer end surface of the anaerobic tank 10, the inner wall of the anaerobic bin 8 and the bottom surface of the anaerobic bin 8; the first drainage space 11 is provided with a plurality of groups of first drainage holes 12 on the second partition plate 13; wherein, the first clapboard 4 is provided with a plurality of groups of first filtering holes 7 which are used for leading the sewage filtered in the filtering bin 5 to fall into the anaerobic tank 10;
an air delivery pipe used for connecting aeration equipment is arranged in the aerobic bin 19, and a plurality of groups of second baffles 18 are arranged in the aerobic bin 19; an aerobic pool is defined by the plurality of groups of second baffles 18, the inner wall of the aerobic bin 19 and the bottom surface of the aerobic bin 19; the sewage falls from a plurality of groups of first drainage holes 12 and is collected in the aerobic tank; a second drainage space 21 is formed between the inner peripheral surface of the aerobic tank and the bottom surface of the aerobic bin 19; the second drainage space 21 is provided with a second drainage hole on the third partition plate 20;
the water collecting tank 29 is positioned in the water storage bin 26, the water collecting tank 29 is connected with the end face of the third partition plate 20 positioned in the water storage bin 26, a plurality of groups of first through holes for connecting with a plurality of groups of second drain holes through pipelines are formed in the water collecting tank 29, and a plurality of groups of MBR membrane reactors 30 are arranged on the bottom face of the water collecting tank 29; the MBR membrane reactors 30 are all communicated with the interior of the water collecting tank 29;
the water storage bin 26 is provided with a water purification discharge hole on the shell 1; a water inlet pipe orifice of the drain pipe 27 is connected with the purified water discharge hole, and a second control valve is arranged on the drain pipe 27; it should be noted that, the plurality of groups of MBR membrane reactors 30 are vertically arranged, and the treated sewage flowing out of the MBR membrane reactors 30 is collected in the water storage bin 26; the sewage treated in the water storage bin 26 can be discharged by opening the second control valve.
In the invention, when in use, sewage is discharged into the filtering bin 5 through the sewage inlet pipe 3; sewage entering the filtering bin 5 passes through a plurality of groups of first filtering holes 7 on the first partition plate 4 and falls into the anaerobic tank 10 for anaerobic treatment, impurities in the sewage are filtered and retained on the first partition plate 4, and the impurities are finally discharged by the first sewage discharge pipe 6; the sewage after the anaerobic treatment is flooded into the first drainage space 11 from the anaerobic tank 10, and finally falls into the aerobic tank from a plurality of groups of first drainage holes 12 for aerobic treatment; the sewage after the aerobic treatment is flooded into the second drainage space from the aerobic pool and finally falls into the water collecting tank 29 from a plurality of groups of second drainage holes; the sewage in the water collecting tank 29 flows into a plurality of groups of MBR membrane reactors 30 for treatment, the sewage flowing from the MBR membrane reactors 30 is collected in the water storage bin 26, and the sewage can be treated efficiently through the process so as to obtain reusable purified water.
In an alternative embodiment, the first partition 4 comprises a horizontal plate and an inclined plate; wherein, a plurality of groups of first filtering holes 7 are arranged on the inclined plate; the sewage inlet 2 is arranged on the side end face of the shell 1;
one end of the inclined plate is connected with the inner wall of the filtering bin 5, the inclined plate is inclined downwards towards one side far away from the sewage inlet 2, and the other end of the inclined plate is connected with one end of the horizontal plate; one end of the horizontal plate is connected with the inner wall of the filtering bin 5;
the first partition plate 4 adopts the structure, so that sewage conveyed into the filtering bin 5 by the sewage inlet pipe 3 firstly falls onto the inclined plate, impurities in the sewage slide onto the horizontal plate along the inclined plate and finally fall into the first sewage discharge pipe 6; the sewage falls from a plurality of groups of first filtering holes 7 arranged on the inclined plate.
In an optional embodiment, the projection shape of each group of first baffle plates 9 is a circular ring, the height values of the multiple groups of first baffle plates 9 are gradually reduced towards the inner wall of the anaerobic bin 8 along the central axis direction of the anaerobic bin 8, multiple groups of anaerobic tanks are arranged, sewage flows among the anaerobic tanks in a flood irrigation mode, a pump body is not needed for conveying water, and the sewage treatment cost is reduced.
In an alternative embodiment, a plurality of sets of first packing 14, a plurality of sets of first and second blowdown pipes 16; wherein, a first bearing plate 15 is arranged in each group of anaerobic tanks 10, and the bottom surface of each group of anaerobic tanks 10 is provided with a first drainage hole;
a plurality of groups of second filtering holes are formed in the first bearing plate 15, and a first placing space for storing a plurality of groups of first fillers 14 is defined between the upper end surface of the first bearing plate 15 and the inner wall of the anaerobic tank 10;
a plurality of groups of first drainage pipes are all positioned in the aerobic chamber 19, pipe orifices at one end of the plurality of groups of first drainage pipes are respectively connected with a plurality of groups of first drainage holes, a plurality of groups of first electromagnetic control valves 17 are arranged on the plurality of groups of first drainage pipes, and the plurality of groups of first drainage pipes are all communicated with the second drainage pipe 16; the second sewage draining pipe 16 penetrates through the shell 1 in a sealing way; it should be noted that the second sewage drain 16 is hermetically connected with the housing 1, which is not described in detail in the prior art;
when the impurity and the dirt on the bottom surface of the anaerobic tank 10 need to be discharged, the first electromagnetic control valves 17 of the multiple groups are opened, and then the dirt and the impurities in the anaerobic tank 10 of the multiple groups flow into the second sewage discharge pipe 16 through the first sewage discharge pipes of the multiple groups and are finally discharged from the second sewage discharge pipe 16, so that the dirt stored on the bottom surface of the anaerobic tank 10 can be conveniently cleaned.
In an alternative embodiment, each set of second baffles 18 has a circular projection shape, and the height values of the plurality of sets of second baffles 18 gradually decrease along the inner wall of the aerobic chamber 19 toward the central axis of the aerobic chamber 19.
In an alternative embodiment, a plurality of sets of second packing 22, a plurality of sets of second drain and third drain 24; wherein, each group of aerobic chambers 19 is internally provided with a second bearing plate 23, and the bottom surface of each group of aerobic tanks is provided with a second drain hole;
a plurality of groups of third filtering holes are formed in the second bearing plate 23, and a second placing space for storing a plurality of groups of second fillers 22 is defined between the upper end surface of the second bearing plate 23 and the inner wall of the aerobic bin 19;
a plurality of groups of second drainage pipes are positioned in the water storage bin 26, pipe orifices at one end of the plurality of groups of second drainage pipes are respectively connected with a plurality of groups of second drainage holes, a plurality of groups of second electromagnetic control valves 25 are arranged on the plurality of groups of second drainage pipes, and the plurality of groups of second drainage pipes are all communicated with a third drainage pipe 24; the third sewage drain 24 is sealed to penetrate the housing 1.
In an alternative embodiment, each set of MBR membrane reactors 30 includes a filter cartridge 301, a first conduit 302, and an end cap 307;
the two ends of the first pipeline 302 are respectively connected with the filter cartridge 301 and the water collecting tank 29, wherein the water collecting tank 29, the first pipeline 302 and the filter cartridge 301 are sequentially communicated.
In an optional embodiment, the system further comprises a plurality of groups of three-way pipes, gas conveying pipes, a high-pressure gas generating device, a collecting box 31 and a fourth sewage draining pipe 32; a second pipeline for communicating the inside of the filter cartridge 301 is arranged on the end cover 307; a fifth electromagnetic control valve is arranged on the second pipeline;
the collecting box 31 is positioned in the water storage bin 26 and connected with the inner wall of the water storage bin 26, the collecting box 31 is positioned right below the water collecting tank 29, and a plurality of groups of second through holes for connecting a plurality of groups of second pipelines are formed in the end face, facing the water collecting tank 29, of the collecting box 31; the fourth sewage discharge pipe 32 is connected with the bottom surface of the shell 1 and penetrates into the shell 1 in a sealing way, and the fourth sewage discharge pipe 32 is communicated with the inside of the collection box 31;
one end pipe orifices of the multiple groups of three-way pipes are respectively connected with multiple groups of water outlet holes, a third electromagnetic control valve 305 is arranged on one liquid outlet port of the multiple groups of three-way pipes, a plurality of groups of fourth electromagnetic control valves 306 are arranged on one air inlet port of the multiple groups of three-way pipes, and one air inlet port of each group of three-way pipes is communicated with the air conveying pipe; the air inlet port of the air delivery pipe is connected with the air outlet end of the high-pressure gas generating device;
the sewage entering the filter cartridge 301 is purified by the MBR membrane 303 and then flows into the three-way pipe, the third electromagnetic control valve 305 on one liquid outlet port of the three-way pipe is opened, and the treated sewage flows into the water storage bin 26 from one liquid outlet port of the three-way pipe; after a period of time, if the MBR membrane 303 needs to be cleaned, the plurality of sets of third electromagnetic control valves 305 are closed, and the plurality of sets of fourth electromagnetic control valves 306 are opened; the high-pressure gas generating device conveys high-pressure gas into the multiple groups of three-way pipes through the gas conveying pipes and blows the high-pressure gas to the MBR membrane 303 so as to clean the MBR membrane 303, and further the sewage treatment efficiency of the MBR membrane 303 is improved; impurities falling on the MBR membrane 303 enter the collection tank along the second pipe and are discharged from the fourth drain pipe 32.
In an optional embodiment, the device further comprises a water inlet pipe and a liquid conveying device; wherein, the water collecting tank 29 is provided with a purified water inlet;
a pipe orifice at one end of the water inlet pipe is connected with the purified water inlet, and a pipe orifice at the other end of the water inlet pipe is connected with a liquid outlet port of the liquid feeding device;
water is conveyed into the water collecting tank 29 through the liquid conveying device to clean the cleaned MBR membrane 303, so that impurities blown off from the MBR membrane 303 are quickly separated from the MBR membrane 303.
The invention also provides a using method of the sewage treatment equipment combining the multistage AO and MBR membrane process, which comprises the following specific steps:
s1, discharging sewage into a filtering bin 5 through a sewage inlet pipe 3;
s2, filtering impurities in the sewage through a first partition plate 4 and retaining the impurities on the first partition plate 4, and finally discharging the impurities through a first sewage discharge pipe 6; the sewage falls into the anaerobic tank 10 from the plurality of groups of first filtering holes 7 for anaerobic treatment;
s3, flood-irrigating the anaerobically treated sewage into a first drainage space 11 from an anaerobic tank 10, and finally, allowing the anaerobically treated sewage to fall into an aerobic tank from a plurality of groups of first drainage holes 12 for aerobic treatment;
s4, flood-irrigating the aerobic-treated sewage into a second drainage space from the aerobic pool and finally dropping into a water collecting tank 29 from a plurality of groups of second drainage holes;
s5, sewage in the water collecting tank 29 flows into a plurality of groups of MBR membrane reactors 30 for treatment, and the sewage in the flow process from the MBR membrane reactors 30 is collected in the water storage bin 26.
The sewage treatment method provided by the invention is simple to operate and convenient to use, can be used for efficiently and quickly treating sewage to obtain reusable water resources, greatly improves the utilization rate of the water resources, can be used for reducing the sewage treatment cost, and can be used for cleaning the MBR membrane 303 to improve the sewage treatment efficiency and further improve the sewage treatment capacity of equipment.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention shall be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A sewage treatment device combining multistage AO and MBR membrane processes is characterized by comprising a shell (1), a first sewage discharge pipe (6), a water collecting tank (29) and a drain pipe (27);
a plurality of groups of supporting columns (28) are arranged on the bottom surface of the shell (1), and a first partition plate (4), a second partition plate (13) and a third partition plate (20) are arranged in the shell (1) along the height direction; the first partition plate (4), the second partition plate (13) and the third partition plate (20) are distributed side by side and used for sequentially dividing the interior of the shell (1) into a filtering bin (5), an anaerobic bin (8), an aerobic bin (19) and a water storage bin (26);
the end surface of the filter bin (5) on the shell (1) is provided with a sewage inlet (2) and a first sewage discharge port which are used for connecting the pipe orifice of the sewage inlet pipe (3); the first sewage discharge port is connected with the sewage inlet port of the first sewage discharge pipe (6); a first control valve is arranged on the first sewage discharge pipe (6);
a plurality of groups of first baffle plates (9) are arranged in the anaerobic chamber (8); the projection shape of each group of first baffle plates (9) is a circular ring, and the height values of the plurality of groups of first baffle plates (9) are gradually reduced towards the inner wall of the anaerobic bin (8) along the central axis direction of the anaerobic bin (8); an anaerobic pool (10) is enclosed between the plurality of groups of first baffles (9) and the inner wall of the bottom surface of the anaerobic bin (8); a first drainage space (11) is defined by the outer end surface of the anaerobic tank (10), the inner wall of the anaerobic bin (8) and the bottom surface of the anaerobic bin (8); a plurality of groups of first drainage holes (12) are arranged on the second partition plate (13) of the first drainage space (11); wherein the first clapboard (4) is provided with a plurality of groups of first filtering holes (7) which are used for enabling the filtered sewage in the filtering bin (5) to fall into the anaerobic tank (10);
a gas pipe used for connecting aeration equipment is arranged in the aerobic chamber (19), and a plurality of groups of second baffles (18) are arranged in the aerobic chamber (19); the projection shape of each group of second baffles (18) is a circular ring, the height values of a plurality of groups of second baffles (18) are gradually reduced along the inner wall of the aerobic bin (19) towards the central axis direction of the aerobic bin (19), and an aerobic pool is defined among the plurality of groups of second baffles (18), the inner wall of the aerobic bin (19) and the bottom surface of the aerobic bin (19); the sewage falls down from a plurality of groups of first drainage holes (12) and is collected in the aerobic tank; a second drainage space (21) is enclosed between the inner peripheral surface of the aerobic tank and the bottom surface of the aerobic bin (19); the second drainage space (21) is provided with a second drainage hole on the third clapboard (20);
the water collecting tank (29) is positioned in the water storage bin (26), the water collecting tank (29) is connected with the end face of the third partition plate (20) positioned in the water storage bin (26), a plurality of groups of first through holes used for being connected with a plurality of groups of second drain holes through pipelines are formed in the water collecting tank (29), and a plurality of groups of MBR membrane reactors (30) are arranged on the bottom surface of the water collecting tank (29); the multiple groups of MBR membrane reactors (30) are communicated with the interior of the water collecting tank (29); each group of MBR membrane reactors (30) comprises a filter cartridge (301), a first pipeline (302) and an end cover (307);
the end cover (307) is connected with one end of the filter cylinder (301); the inner wall of the filter cartridge (301) is provided with an MBR membrane (303), and the outer peripheral surface of the filter cartridge (301) is provided with a plurality of groups of water outlets;
two ends of the first pipeline (302) are respectively connected with the filter cartridge (301) and the water collecting tank (29), wherein the water collecting tank (29), the first pipeline (302) and the filter cartridge (301) are communicated in sequence;
the water storage bin (26) is provided with a purified water discharge hole on the shell (1); the water inlet pipe orifice of the drain pipe (27) is connected with the purified water discharge hole, and a second control valve is arranged on the drain pipe (27).
2. A multistage AO and MBR membrane process combined wastewater treatment plant according to claim 1, characterized in that the first partition plate (4) comprises horizontal and inclined plates; wherein, a plurality of groups of first filtering holes (7) are arranged on the inclined plate; the sewage inlet (2) is arranged on the side end surface of the shell (1);
one end of the inclined plate is connected with the inner wall of the filtering bin (5), the inclined plate is inclined downwards towards one side far away from the sewage inlet (2), and the other end of the inclined plate is connected with one end of the horizontal plate; one end of the horizontal plate is connected with the inner wall of the filtering bin (5).
3. A multistage AO and MBR membrane process combined wastewater treatment plant according to claim 1, characterized by comprising sets of first packing (14), first and second blowdown pipes (16); wherein, a first bearing plate (15) is arranged in each group of anaerobic tanks (10), and the bottom surface of each group of anaerobic tanks (10) is provided with a first drainage hole;
a plurality of groups of second filtering holes are formed in the first bearing plate (15), and a first placing space for storing a plurality of groups of first fillers (14) is defined between the upper end face of the first bearing plate (15) and the inner wall of the anaerobic tank (10);
a plurality of groups of first drainage pipes are all positioned in the aerobic bin (19), one end pipe orifices of the plurality of groups of first drainage pipes are respectively connected with a plurality of groups of first drainage holes, a plurality of groups of first electromagnetic control valves (17) are arranged on the plurality of groups of first drainage pipes, and the plurality of groups of first drainage pipes are all communicated with the second drainage pipe (16); the second sewage draining pipe (16) penetrates through the shell (1) in a sealing way.
4. The multi-stage AO and MBR membrane process combined sewage treatment plant of claim 1, comprising a plurality of sets of second packing (22), a plurality of sets of second drain pipes and a third drain pipe (24); wherein, each group of aerobic chambers (19) is internally provided with a second bearing plate (23), and the bottom surface of each group of aerobic tanks is provided with a second drain hole;
a plurality of groups of third filtering holes are formed in the second bearing plate (23), and a second placing space for storing a plurality of groups of second fillers (22) is defined between the upper end surface of the second bearing plate (23) and the inner wall of the aerobic bin (19);
a plurality of groups of second drainage pipes are positioned in the water storage bin (26), pipe orifices at one end of the plurality of groups of second drainage pipes are respectively connected with a plurality of groups of second drainage holes, a plurality of groups of second electromagnetic control valves (25) are arranged on the plurality of groups of second drainage pipes, and the plurality of groups of second drainage pipes are all communicated with a third drainage pipe (24); the third sewage draining pipe (24) penetrates through the shell (1) in a sealing way.
5. The multi-stage AO and MBR membrane process-combined sewage treatment plant of claim 1, further comprising a water inlet pipe and a liquid delivery device; wherein, a purified water inlet is arranged on the water collecting tank (29);
the mouth of pipe of one end of inlet tube is connected the water purification import, and the play liquid port of sending liquid device is connected to the mouth of pipe of the other end of inlet tube, send liquid device to gather water tank (29) in water with to wasing back MBR membrane (303).
6. The multistage AO and MBR membrane process combined sewage treatment equipment according to claim 1, which is characterized by further comprising a plurality of groups of three-way pipes, gas conveying pipes, a high-pressure gas generating device, a collecting box (31) and a fourth sewage draining pipe (32); the end cover (307) is provided with a second pipeline for communicating the interior of the filter cartridge (301); a fifth electromagnetic control valve is arranged on the second pipeline;
the collecting box (31) is positioned in the water storage bin (26) and connected with the inner wall of the water storage bin (26), the collecting box (31) is positioned under the water collecting tank (29), and a plurality of groups of second through holes used for connecting a plurality of groups of second pipelines are arranged on the end face, facing the water collecting tank (29), of the collecting box (31); the fourth sewage discharge pipe (32) is connected with the bottom surface of the shell (1) and penetrates into the shell (1) in a sealing way, and the fourth sewage discharge pipe (32) is communicated with the interior of the collection box (31);
one end pipe orifices of the multiple groups of three-way pipes are respectively connected with multiple groups of water outlet holes, one liquid outlet port of each group of three-way pipes is provided with a third electromagnetic control valve (305), one air inlet port of each group of three-way pipes is provided with multiple groups of fourth electromagnetic control valves (306), and one air inlet port of each group of three-way pipes is communicated with the air conveying pipe; the air inlet port of the air pipe is connected with the air outlet end of the high-pressure gas generating device.
7. The method for using the multistage AO and MBR membrane process combined sewage treatment plant as claimed in any of claims 1-6, is characterized by comprising the following specific steps:
s1, discharging sewage into a filtering bin (5) through a sewage inlet pipe (3);
s2, filtering impurities in the sewage through a first partition plate (4) and retaining the impurities on the first partition plate (4), and finally discharging the impurities through a first sewage discharge pipe (6); the sewage falls into an anaerobic tank (10) from a plurality of groups of first filtering holes (7) for anaerobic treatment;
s3, flood-irrigating the sewage subjected to anaerobic treatment into a first drainage space (11) from an anaerobic tank (10), and finally, allowing the sewage to fall into an aerobic tank from a plurality of groups of first drainage holes (12) for aerobic treatment;
s4, flood-irrigating the aerobic-treated sewage into a second drainage space from the aerobic tank and finally dropping the sewage into a water collecting tank (29) from a plurality of groups of second drainage holes;
s5, sewage in the water collecting tank (29) flows into a plurality of groups of MBR membrane reactors (30) for treatment, and the sewage in the process flow of the MBR membrane reactors (30) is collected in the water storage bin (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228112.4A CN112499890B (en) | 2020-11-06 | 2020-11-06 | Multistage AO and MBR membrane process combined sewage treatment equipment and treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011228112.4A CN112499890B (en) | 2020-11-06 | 2020-11-06 | Multistage AO and MBR membrane process combined sewage treatment equipment and treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112499890A CN112499890A (en) | 2021-03-16 |
| CN112499890B true CN112499890B (en) | 2023-04-18 |
Family
ID=74955496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011228112.4A Active CN112499890B (en) | 2020-11-06 | 2020-11-06 | Multistage AO and MBR membrane process combined sewage treatment equipment and treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112499890B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701852Y (en) * | 2004-04-30 | 2005-05-25 | 杨静 | Vertical sewage treatment plant |
| CN206783493U (en) * | 2017-05-25 | 2017-12-22 | 骆波 | A kind of middle-size and small-size integrated sewage treatment device in rural area |
| CN109867360A (en) * | 2019-04-17 | 2019-06-11 | 芜湖沃泰环保科技有限公司 | A kind of multistage AO sewage disposal device and processing method in conjunction with MBR membrane process |
| CN110981114A (en) * | 2019-12-27 | 2020-04-10 | 天津膜天膜科技股份有限公司 | Bury formula sewage treatment device |
| CN111056717A (en) * | 2020-01-10 | 2020-04-24 | 湖南沃工环境科技有限公司 | Integrated percolating water treatment system |
| CN111499049A (en) * | 2020-05-25 | 2020-08-07 | 广东捷信科技服务有限公司韶关分公司 | Vertical segmentation sewage treatment device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6984323B2 (en) * | 2001-11-05 | 2006-01-10 | Khudenko Boris M | Biological treatment process |
| WO2006002529A1 (en) * | 2004-07-01 | 2006-01-12 | Zenon Technology Partnership | Screening apparatus for water treatment with membranes |
-
2020
- 2020-11-06 CN CN202011228112.4A patent/CN112499890B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701852Y (en) * | 2004-04-30 | 2005-05-25 | 杨静 | Vertical sewage treatment plant |
| CN206783493U (en) * | 2017-05-25 | 2017-12-22 | 骆波 | A kind of middle-size and small-size integrated sewage treatment device in rural area |
| CN109867360A (en) * | 2019-04-17 | 2019-06-11 | 芜湖沃泰环保科技有限公司 | A kind of multistage AO sewage disposal device and processing method in conjunction with MBR membrane process |
| CN110981114A (en) * | 2019-12-27 | 2020-04-10 | 天津膜天膜科技股份有限公司 | Bury formula sewage treatment device |
| CN111056717A (en) * | 2020-01-10 | 2020-04-24 | 湖南沃工环境科技有限公司 | Integrated percolating water treatment system |
| CN111499049A (en) * | 2020-05-25 | 2020-08-07 | 广东捷信科技服务有限公司韶关分公司 | Vertical segmentation sewage treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112499890A (en) | 2021-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101560000B (en) | Anti-destabilization flocculent precipitation reversed separating jar | |
| CN104829060B (en) | Buried five form micro power purification tank sewage disposal devices | |
| CN106865895B (en) | Double-cylinder multi-grid self-stirring combined purification tank | |
| CN112499890B (en) | Multistage AO and MBR membrane process combined sewage treatment equipment and treatment method | |
| CN202164216U (en) | Novel three-squared septic tank | |
| CN110862147A (en) | Pulse water distribution device of leachate anaerobic UASB treatment system | |
| CN102923842A (en) | Aerated biological filtration tank | |
| CN107162353B (en) | Multistage river sewage treatment system and method | |
| CN206736004U (en) | A kind of sewage-treatment plant with filtering function | |
| CN206736033U (en) | Biological film sewage treatment system | |
| CN216038887U (en) | Sewage treatment system device for production | |
| WO2010133149A1 (en) | Sewage recycling anaerobic treatment device | |
| CN114656110A (en) | Waste water treatment equipment of membrane bioreactor | |
| CN211644936U (en) | Culture water treatment system | |
| CN211078744U (en) | Restaurant wastewater treatment device | |
| CN108046418B (en) | Aerobic internal circulation biological separation reactor | |
| CN102976564B (en) | Continuous rural domestic waste water treating device | |
| CN206872590U (en) | A kind for the treatment of tank and wastewater ocean disposal device | |
| CN202156973U (en) | Reusing system for recycled water | |
| CN201777931U (en) | Air pressure type automatic sludge discharge device of anaerobic bioreactor | |
| CN105036497A (en) | Sewage treatment equipment provided with water dividing plate | |
| CN213663183U (en) | Aquaculture foam separator | |
| CN220116398U (en) | Filtering device | |
| CN212669326U (en) | Anaerobic reaction device | |
| CN218810911U (en) | Box of integrated circulating water treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |