CN211497296U

CN211497296U - Sewage treatment plant based on MBR

Info

Publication number: CN211497296U
Application number: CN201921748543.6U
Authority: CN
Inventors: 王军
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-09-15
Anticipated expiration: 2029-10-17

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device based on MBR, which is convenient for cleaning floating impurities generated by an aerobic tank with impurities in sewage, ensures the process and effect of sewage treatment and improves the use reliability; the power distribution box comprises a box body, gear motor and water pump, the inside of box is provided with places the chamber, and vertical first baffle and the second baffle of being provided with of intracavity is being placed, first baffle and second baffle will be placed the chamber and separate into the sewage district from a left side to the right side, aerobic district and anaerobic district, aerobic district is provided with MBR membrane module and aerobic biofilm carrier, anaerobic district is provided with anaerobic biofilm carrier, the top of first baffle and the bottom of second baffle are provided with first communicating pipe and second communicating pipe respectively, still include the filter screen, the inner tube, the apparatus further comprises a rotating shaft, the multiunit puddler, the sewage pipe, the dog-house, float and inhale dirty cover, aeration equipment, blow off pipe and blowoff valve.

Description

Sewage treatment plant based on MBR

Technical Field

The utility model relates to a sewage treatment's technical field especially relates to a sewage treatment plant based on MBR.

Background

As is well known, in the field of sewage treatment and water resource recycling, MBR (membrane bioreactor) is a novel water treatment technology combining a membrane separation unit and a biological treatment unit. According to the structure of the membrane, the membrane can be divided into a flat membrane, a tubular membrane, a hollow fiber membrane and the like, and according to the membrane aperture, the membrane can be divided into a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane and the like. An MBR-based sewage treatment apparatus is an auxiliary apparatus for treating sewage by an MBR membrane technology, and is widely used in the field of sewage treatment.

The traditional Chinese utility model with the patent number of CN 208949087U discloses a sewage treatment device based on MBR technology, which comprises an aerobic tank and an anoxic tank which are separated by a partition plate and are sequentially arranged from left to right, wherein the aerobic tank is communicated with the anoxic tank through a slot arranged at the bottom of the partition plate, a detection port is arranged above the aerobic tank, and a first separation net and a second separation net are sequentially arranged in the aerobic tank from top to bottom in parallel; and the interior of the aerobic tank is divided into a sewage zone, an aerobic suspended filler zone and an MBR reaction zone by the first separation net and the second separation net from top to bottom. The utility model discloses an aerobic organisms carry out nitrification reaction and MBR reaction zone's the active sludge and the processing of filtration membrane to sewage in the good oxygen pond, carry out denitrification reaction at last in the oxygen deficiency pond, realize that sewage purification becomes the normal water, ensure can not produce the pollution to the environment.

However, aerobic organisms generate a lot of suspended impurities during the nitrification reaction of organic matters in sewage, the suspended impurities float on the surface of a sewage area or attach to the separation net, the treatment of the sewage is affected, and the suspended impurities in the water and the impurities on the separation net are inconvenient to clean, so that the use reliability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be not enough to prior art, the utility model provides a convenient showy impurity and the attached impurity of separating on the net of producing good oxygen pond clear up, guarantee sewage treatment's process and effect improve the sewage treatment plant based on MBR of use reliability.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a sewage treatment device based on MBR comprises a box body, a speed reduction motor and a water pump, wherein a placing cavity is arranged in the box body, a first partition plate and a second partition plate are vertically arranged in the placing cavity, the placing cavity is divided into a sewage area, an aerobic area and an anaerobic area by the first partition plate and the second partition plate from left to right, the aerobic area is provided with an MBR membrane component and aerobic biological filler, the anaerobic area is provided with anaerobic biological filler, the top of the first partition plate and the bottom of the second partition plate are respectively provided with a first communicating pipe and a second communicating pipe, the sewage area is communicated with the aerobic area through the first communicating pipe, the aerobic area is communicated with the anaerobic area through the second communicating pipe, a filter screen is transversely arranged in the sewage area, the bottom end of the filter screen is provided with an inner cylinder, the inner cylinder is of a top-sealing bottom-opening structure, the speed reduction motor is arranged at the bottom end of the box body, and a, the top end of the rotating shaft extends into the sewage area from the bottom end of the box body and extends into the inner cylinder, a plurality of groups of stirring rods are arranged on the rotating shaft, the multiple groups of stirring rods are all positioned in the inner cylinder, the top end of the box body is provided with a sewage pipe and a feeding pipe which are communicated with the sewage area, the bottom ends of the sewage pipe and the feeding pipe extend into the inner cylinder from the top end of the inner cylinder, the top of the aerobic zone is provided with a floating sewage suction cover, the input end of the water pump extends into the aerobic zone from the top end of the box body and is communicated with the floating dirt absorbing cover, the output end of the water pump extends into the sewage zone from the top end of the box body and is communicated with the top of the inner cylinder, the bottom end of the box body is provided with an aeration device, the output end of the aeration device is provided with an aeration pipe, the aeration pipe extends into the aerobic zone, the bottom end of the box body is provided with a drain pipe communicated with the sewage zone, and the bottom of the drain pipe is provided with a drain valve.

Preferably, the bottom of the inner cylinder is provided with a filter screen, the top end of the filter screen is connected with the bottom end of the inner cylinder, the bottom end of the filter screen is connected with the inner bottom wall of the sewage area, and the diameter of an upper opening of the filter screen is smaller than that of a lower opening of the filter screen.

Preferably, the outside middle part of pivot is provided with two sets of connecting rods to tip at two sets of connecting rods is provided with the cleaning plate, the cleaning plate slope sets up to be provided with flexible sheet rubber on the outside surface of cleaning plate, flexible sheet rubber pastes tightly with the inside wall that filters the screen panel.

Preferably, the bottom of the outer side of the rotating shaft is provided with an S-shaped mud scraper, the S-shaped mud scraper comprises an iron plate connected with the rotating shaft and a rubber mud scraper arranged at the bottom end of the iron plate, and the bottom end of the rubber mud scraper is tightly attached to the inner bottom wall of the sewage area.

Preferably, float dirt-absorbing cover includes kickboard, dirt-absorbing cover and two sets of locating levers, the left end and the right-hand member of kickboard all are provided with the locating hole that link up from top to bottom, the top of two sets of locating levers is connected with the left end and the right-hand member of roof in the good oxygen district respectively, and two sets of locating holes to the below of kickboard are passed respectively from the top of kickboard in the bottom of two sets of locating levers, and the middle part of kickboard is provided with the rectangular hole, dirt-absorbing cover installs in the top of kickboard and is located the top of rectangular hole, the input of water pump is passed dirt-absorbing cover and is leveled mutually with the bottom of kickboard from the top of dirt-.

Preferably, the limiting plates are installed at the bottom ends of the two groups of positioning rods.

(III) advantageous effects

Compared with the prior art, the utility model provides a sewage treatment plant based on MBR possesses following beneficial effect: this sewage treatment plant based on MBR, sewage is leading-in to the inner tube in sewage district through the sewage pipe, put in the flocculating agent through the dog-house toward the inner tube in, impurity through the flocculating agent in to sewage flocculates, it rotates to drive pivot and puddler through gear motor, mix sewage and flocculating agent in the inner tube, guarantee the flocculating effect of flocculating agent impurity in to sewage, thereby make great impurity production flocculation and precipitation, carry out the prefilter through the filter screen to the impurity in the sewage district, the unable good oxygen district that gets into of large granule impurity of messenger, pump and the cooperation of floating the dirt suction hood with the showy impurity pump of good oxygen district water face carry out flocculation treatment in sending to the inner tube, the convenience is cleared up the showy impurity that good oxygen pond produced and the adnexed impurity on the spacer screen, guarantee sewage treatment's process and effect, use reliability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

fig. 3 is a schematic view of the present invention at a portion B of fig. 1;

FIG. 4 is a schematic structural view of the S-shaped mud scraper of the present invention viewed from the bottom;

in the drawings, the reference numbers: 1. a box body; 2. a reduction motor; 3. a water pump; 4. a first separator; 5. A second separator; 6. an MBR membrane module; 7. aerobic biological filler; 8. anaerobic biological filler; 9. A first communication pipe; 10. a second communicating pipe; 11. a filter screen; 12. an inner barrel; 13. a rotating shaft; 14. a stirring rod; 15. a sewage pipe; 16. a feeding pipe; 17. a floating dirt absorbing cover; 18. an aeration device; 19. a blow-off pipe; 20. a blowoff valve; 21. a filtering net cover; 22. a connecting rod; 23. Cleaning the plate; 24. a flexible rubber sheet; 25. an iron plate; 26. a rubber mud scraper; 27. a floating plate; 28. a dirt suction cover; 29. positioning a rod; 30. and a limiting plate.

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. 1-4, an MBR-based sewage treatment device comprises a tank 1, a reduction motor 2 and a water pump 3, wherein a placing cavity is arranged inside the tank 1, a first partition plate 4 and a second partition plate 5 are vertically arranged in the placing cavity, the placing cavity is divided into a sewage area, an aerobic area and an anaerobic area by the first partition plate 4 and the second partition plate 5 from left to right, the aerobic area is provided with an MBR membrane assembly 6 and an aerobic biological filler 7, the anaerobic area is provided with an anaerobic biological filler 8, the top of the first partition plate 4 and the bottom of the second partition plate 5 are respectively provided with a first communicating pipe 9 and a second communicating pipe 10, the sewage area and the aerobic area are communicated through the first communicating pipe 9, the aerobic area and the anaerobic area are communicated through the second communicating pipe 10, a filter screen 11 is transversely arranged in the sewage area, the bottom end of the filter screen 11 is provided with an inner cylinder 12, the inner cylinder 12 is of a structure with a top sealed and a bottom opened, the speed reducing motor 2 is arranged at the bottom end of the box body 1, the output end of the top of the speed reducing motor 2 is provided with a rotating shaft 13, the top end of the rotating shaft 13 extends into the sewage area from the bottom end of the box body 1 and extends into the inner cylinder 12, the rotating shaft 13 is provided with a plurality of groups of stirring rods 14, the plurality of groups of stirring rods 14 are all positioned in the inner cylinder 12, the top end of the box body 1 is provided with a sewage pipe 15 and a feeding pipe 16 which are communicated with the sewage area, the bottom ends of the sewage pipe 15 and the feeding pipe 16 both extend into the inner cylinder 12 from the top end of the inner cylinder 12, the top of the aerobic area is provided with a floating sewage suction cover 17, the floating sewage suction cover 17 comprises a floating plate 27, a sewage suction cover 28 and two groups of positioning rods 29, the left end and the right end of the floating plate 27 are both provided with vertically through positioning holes, the top ends of the two groups of positioning rods 29 are respectively connected with the left end and the right end of the top wall of the aerobic area, the middle part of the floating plate 27 is provided with a rectangular hole, the dirt absorbing cover 28 is arranged at the top end of the floating plate 27 and is positioned above the rectangular hole, the input end of the water pump 3 penetrates through the dirt absorbing cover 28 from the top end of the dirt absorbing cover 28 and is level with the bottom of the floating plate 27, the bottom ends of the two groups of positioning rods 29 are respectively provided with a limiting plate 30, the floating plate 27 floats on the surface of the aerobic zone, floating impurities generated in the aerobic zone enter the rectangular hole in the middle of the floating plate 27, the floating impurities at the rectangular hole are pumped away by the water pump 3, the floating plate 27 can be prevented from floating back and forth in the aerobic zone by the two groups of positioning rods 29, the floating plate 27 can be supported by the limiting plate 30, the output end of the water pump 3 extends into the sewage zone from the top end of the box body 1 and is communicated with the top of the inner barrel 12, the bottom end of the box body 1 is provided with the aeration device 18, the aerobic biological group on the aerobic biological filler 7 in the aerobic zone can be provided with oxygen through the aeration device 18, the decomposition efficiency of the aerobic biological group is ensured, the bottom end of the box body 1 is provided with a drain pipe 19 communicated with the sewage zone, the bottom of the drain pipe 19 is provided with a drain valve 20, the flocculation precipitation deposited in the sewage zone can be led out through the drain pipe 19, the bottom of the inner barrel 12 is provided with a filter screen 11 cover, the top end of the filter screen 11 cover is connected with the bottom end of the inner barrel 12, the bottom end of the filter screen 11 cover is connected with the inner bottom wall of the sewage zone, the diameter of the upper opening of the filter screen 11 cover is smaller than that of the lower opening, the middle part of the outer side of the rotating shaft 13 is provided with two groups of connecting rods 22, the end parts of the two groups of connecting rods 22 are provided with a cleaning plate 23, the cleaning plate 23 is obliquely arranged, the surface of the outer side of the cleaning plate 23 is provided with a, impurities floating at the bottom of the inner barrel 12 can be filtered through the cover of the filter screen 11, the filter screen 11 above the cover can be matched to realize high-efficiency filtration of the impurities in the sewage area, the rotating shaft 13 drives the connecting rod 22 and the cleaning plate 23 to rotate, the flexible rubber sheet 24 on the cleaning plate 23 can clean the impurities attached to the inner side of the cover of the filter screen 11, the bottom of the outer side of the rotating shaft 13 is provided with the S-shaped mud scraper, the S-shaped mud scraper comprises an iron plate 25 connected with the rotating shaft 13 and a rubber mud scraper 26 arranged at the bottom end of the iron plate 25, the bottom end of the rubber mud scraper 26 is tightly attached to the inner bottom wall of the sewage area, the S-shaped mud scraper is driven by the rotating shaft 13 to slowly rotate to gather the sludge at the bottom of the sewage area, the sludge is conveniently scraped into the sewage discharge pipe 19, the sewage is guided into the inner barrel 12 of the sewage area through the sewage pipe 15, and the flocculating agent is thrown into the inner barrel, carry out the flocculation through the impurity of flocculating agent in to sewage, drive pivot 13 and puddler 14 through gear motor 2 and rotate, sewage and flocculating agent in the inner tube 12 mix, guarantee the flocculation effect of flocculating agent impurity in to sewage, thereby make great impurity production flocculation and precipitation, impurity through filter screen 11 in to the sewage district carries out prefilter, the unable good oxygen district that gets into of large granule impurity of messenger, through suction pump 3 with float the cooperation of inhaling dirty cover 17 with the showy impurity pump of good oxygen district water face to inner tube 12 in carry out flocculation treatment, the convenience is cleared up the showy impurity that good oxygen pond produced and the adnexed impurity on the separate net, guarantee sewage treatment's process and effect, the use reliability is improved.

When the sewage treatment device is used, sewage is guided into an inner barrel 12 of a sewage area through a sewage pipe 15, a flocculating agent is put into the inner barrel 12 through a feeding pipe 16, impurities in the sewage are flocculated through the flocculating agent, the rotating shaft 13 and the stirring rod 14 are driven to rotate through the speed reducing motor 2, the sewage and the flocculating agent in the inner barrel 12 are mixed, the flocculating effect of the flocculating agent on the impurities in the sewage is ensured, so that larger impurities are flocculated and precipitated, the impurities in the sewage area are preliminarily filtered through the filter screen 11, large-particle impurities cannot enter the aerobic area, the sewage enters the aerobic area from the sewage area, the sewage in the aerobic area is subjected to aerobic treatment and filtration through aerobic biota MBR membrane module 6 and aerobic biota 7, oxygen is provided for the aerobic area through the aeration device 18, the activity of the aerobic biota is ensured, the treated sewage in the aerobic area enters the anaerobic area through the second communicating pipe 10, the sewage in the anaerobic zone is subjected to denitrification decomposition by anaerobic biological groups on anaerobic biological fillers 8 in the anaerobic zone, so that the sewage is treated, the impurities floating on the water surface of the aerobic zone are pumped into the inner barrel 12 for flocculation treatment by matching the water suction pump 3 and the floating dirt suction cover 17, the floating impurities generated in the aerobic pool and the impurities attached to the partition net are conveniently cleaned, the process and the effect of sewage treatment are ensured, the use reliability is improved, the impurities floating from the bottom of the inner barrel 12 can be filtered by the cover of the filter net 11, the high-efficiency filtration of the impurities in the sewage zone is realized by matching the filter net 11 above, the connecting rod 22 and the cleaning plate 23 are driven to rotate by the rotating shaft 13, the impurities attached to the inner side of the cover of the filter net 11 can be cleaned by the flexible rubber sheet 24 on the cleaning plate 23, and the S-shaped mud scraping plate is driven to slowly rotate by the rotating shaft 13, gather the mud of sewage district bottom, conveniently scrape into blow off pipe 19 with mud, treat when the impurity in blow off pipe 19 is more, can discharge impurity through blow off pipe 19.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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. A sewage treatment device based on MBR is characterized by comprising a box body (1), a speed reduction motor (2) and a water pump (3), wherein a placing cavity is arranged in the box body (1), a first partition plate (4) and a second partition plate (5) are vertically arranged in the placing cavity, the placing cavity is divided into a sewage area, an aerobic area and an anaerobic area by the first partition plate (4) and the second partition plate (5), the aerobic area is provided with an MBR membrane component (6) and an aerobic biological filler (7), the anaerobic area is provided with an anaerobic biological filler (8), the top of the first partition plate (4) and the bottom of the second partition plate (5) are respectively provided with a first communicating pipe (9) and a second communicating pipe (10), the sewage area is communicated with the aerobic area through the first communicating pipe (9), the aerobic area is communicated with the anaerobic area through the second communicating pipe (10), and a filter screen (11) is transversely arranged in the sewage area, the bottom end of the filter screen (11) is provided with an inner cylinder (12), the inner cylinder (12) is of a top-sealed bottom-opening structure, the speed reducing motor (2) is arranged at the bottom end of the box body (1), the output end of the top of the speed reducing motor (2) is provided with a rotating shaft (13), the top end of the rotating shaft (13) extends into the sewage area from the bottom end of the box body (1) and extends into the inner cylinder (12), the rotating shaft (13) is provided with a plurality of groups of stirring rods (14), the groups of stirring rods (14) are all positioned in the inner cylinder (12), the top end of the box body (1) is provided with a sewage pipe (15) and a feeding pipe (16) which are communicated with the sewage area, the bottom ends of the sewage pipe (15) and the feeding pipe (16) both extend into the inner cylinder (12) from the top end of the inner cylinder (12), the top of the aerobic area is provided with a floating sewage suction cover (17), the input end of the water pump (3) extends into the aerobic area from the top end of the box, the output of water pump (3) stretches into the top intercommunication of inner tube (12) in the sewage district from the top of box (1), and the bottom of box (1) is provided with aeration equipment (18), the output of aeration equipment (18) is provided with the aeration pipe, the aeration pipe stretches into to the aerobic district in, the bottom of box (1) be provided with sewage district communicating blow off pipe (19) to be provided with blowoff valve (20) in the bottom of blow off pipe (19).

2. The MBR-based sewage treatment device according to claim 1, wherein a filter screen (11) cover is installed at the bottom of the inner cylinder (12), the top end of the filter screen (11) cover is connected with the bottom end of the inner cylinder (12), the bottom end of the filter screen (11) cover is connected with the inner bottom wall of the sewage area, and the upper opening diameter of the filter screen (11) cover is smaller than the lower opening diameter.

3. The MBR-based sewage treatment device according to claim 2, wherein two groups of connecting rods (22) are arranged in the middle of the outer side of the rotating shaft (13), a cleaning plate (23) is arranged at the end part of each group of connecting rods (22), the cleaning plate (23) is obliquely arranged, a flexible rubber sheet (24) is arranged on the outer side surface of the cleaning plate (23), and the flexible rubber sheet (24) is tightly attached to the inner side wall of the cover of the filter screen (11).

4. The MBR-based sewage treatment device according to claim 3, wherein an S-shaped scraper is installed at the bottom of the outer side of the rotating shaft (13), the S-shaped scraper comprises an iron plate (25) connected with the rotating shaft (13) and a rubber scraper (26) installed at the bottom end of the iron plate (25), and the bottom end of the rubber scraper (26) is tightly attached to the inner bottom wall of the sewage area.

5. The MBR-based sewage treatment device according to claim 4, wherein the floating sewage suction cover (17) comprises a floating plate (27), a sewage suction cover (28) and two sets of positioning rods (29), the left end and the right end of the floating plate (27) are provided with positioning holes which are vertically communicated, the top ends of the two sets of positioning rods (29) are respectively connected with the left end and the right end of the top wall in the aerobic zone, the bottom ends of the two sets of positioning rods (29) respectively penetrate through the two sets of positioning holes from the top end of the floating plate (27) to the lower side of the floating plate (27), the middle part of the floating plate (27) is provided with a rectangular hole, the sewage suction cover (28) is installed at the top end of the floating plate (27) and located above the rectangular hole, and the input end of the water pump (3) penetrates through the sewage suction cover (28) from the top end of the sewage suction cover (28) and is flush with the bottom of the floating plate.

6. The MBR-based sewage treatment unit according to claim 5, wherein the bottom ends of the two positioning rods (29) are provided with limiting plates (30).