CN112573780A

CN112573780A - Membrane biological reaction MBR integration sewage treatment system

Info

Publication number: CN112573780A
Application number: CN202011577456.6A
Authority: CN
Inventors: 陈军荣; 王超; 刘林华
Original assignee: Anhui Huarong Environmental Protection Technology Co ltd
Current assignee: Anhui Huarong Environmental Protection Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-03-30

Abstract

The invention relates to the technical field of sewage treatment, and discloses a membrane biological reaction MBR (membrane bioreactor) integrated sewage treatment system which comprises a tank body, wherein a treatment tank is arranged in the tank body, an adjusting tank, a facultative tank, a membrane biological reaction tank and a sludge tank are sequentially and adjacently arranged in the treatment tank, round access holes are formed in the top ends of the adjusting tank, the facultative tank and the membrane biological reaction tank, a cover plate is arranged on the upper end surface of each round access hole, a grid well is arranged on one side, close to the adjusting tank, of the outer part of the tank body, a fence is fixedly arranged in each grid well, and an equipment water inlet pipe and a first connecting pipe are. This membrane biological reaction MBR integration sewage treatment system, through the sludge pump with the membrane biological reaction tank in the mud row who holds back filter basket, water is filtered out and flows back to the equalizing basin in, mud remains inside the mud filter basket, convenient clearance, through setting up a plurality of aeration pipes, the high nonconformity of two adjacent aeration pipes carries out the scope grow of aeration, reinforcing aeration effect to rivers.

Description

Membrane biological reaction MBR integration sewage treatment system

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a membrane biological reaction MBR integrated sewage treatment system.

Background

Sewage treatment is a process of purifying sewage to meet the requirement of discharging the sewage into a certain water body or reusing the sewage, and can be divided into a physical method, a biological method and a chemical method according to the function of the sewage, wherein the biological method is a method of decomposing and oxidizing organic matters in a dissolved or colloidal state into stable inorganic substances by utilizing the metabolism function of microorganisms to purify the sewage. MBR (Membrane Bio-Reactor, abbreviated as "MBR") Membrane bioreactor integrated equipment is a novel water treatment technology organically combining Membrane separation technology and biotechnology, and active sludge and macromolecular organic matters in a biochemical reaction tank are retained by utilizing the Membrane separation equipment, so that a secondary sedimentation tank is saved.

The sludge intercepted in the membrane biological reaction tank in the existing MBR (membrane bioreactor) integrated equipment is purified by circulating reflux, the circulation time of the sludge is too long, so that the pipeline in the system is blocked, the purification effect of water is affected, and the sludge is remained in the membrane biological reaction tank and is difficult to clean in time; MBR membrane bioreactor integration equipment needs to have the aerator to aerate equalizing basin and membrane biological reaction pond in the use, and single aeration pipe hardly aerates the inside rivers of whole equalizing basin and membrane biological reaction pond in the short time.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a membrane biological reaction MBR integrated sewage treatment system, which has the advantages of convenience in sludge cleaning, good aeration effect and the like, and solves the problems of difficulty in sludge cleaning and poor aeration effect.

(II) technical scheme

In order to solve the technical problems that the sludge is difficult to clean and the aeration effect is poor, the invention provides the following technical scheme:

the utility model provides a membrane biological reaction MBR integration sewage treatment system, includes a jar body, its characterized in that: the internal portion of jar is provided with handles the pond, handle inside adjacent equalizing basin, facultative tank, membrane biological reaction pond and the sludge impoundment of having set gradually of pond, the equalizing basin facultative tank with membrane biological reaction pond top all is provided with circular access hole, circular access hole top all runs through the jar body, circular access hole top end face all is provided with the apron, facultative tank with baffle upper end between the membrane biological reaction pond is provided with the gap, the inside membrane module that is provided with of membrane biological reaction pond, the delivery port fixedly connected with second inlet tube on membrane module top.

Preferentially, the external portion of jar is close to one side of equalizing basin is provided with the grid well, the inside fixed mounting of grid well has the fence, grid well both sides difference fixedly connected with equipment inlet tube and first connecting pipe, first connecting pipe end extends to the inside upper end of equalizing basin, the inside lower extreme of equalizing basin is provided with first inlet tube, first inlet tube end extends to handle the pond outside, first inlet tube end is provided with the sewage elevator pump, the first outlet pipe of delivery port fixedly connected with of sewage elevator pump, first inlet tube the sewage elevator pump with first outlet pipe all sets up the internal portion of jar, first outlet pipe end extends to the inside lower extreme of facultative anaerobic tank.

Preferably, the second inlet tube end extends to the external portion of jar, the terminal fixed mounting of second inlet tube has the self priming pump, the play water side of self priming pump is provided with the purge tube, the inside packing of purge tube has active carbon, the purge tube upper end is provided with the protection apron, the play water side of purge tube is provided with the disinfection pond, the self priming pump the purge tube with respectively fixedly connected with second connecting pipe between the disinfection pond.

Preferably, the second connecting pipe with the pipeline for purification handing-over department is provided with the filter screen respectively, the outside one side in disinfection pond is provided with the disinfectant bin, the inside bottom of disinfectant bin with be provided with the loading pipe between the disinfection pond side upper end, one side inner wall surface in disinfection pond is provided with level sensor, a side surface through connection in disinfection pond has the equipment outlet pipe, the outside one side in disinfection pond is provided with the backup pad.

Preferably, a first rotating shaft penetrates through one side of the disinfection tank, a first bearing is arranged at the joint of the first rotating shaft and the side face of the disinfection tank, the first rotating shaft is located at one end, inside the disinfection tank, of the stirring screw and the stirring rod, the stirring rod is arranged on two sides of the stirring screw, a driven bevel gear is fixedly connected to the tail end of the first rotating shaft in a sleeved mode, and a driving bevel gear is arranged on one side of the driven bevel gear.

Preferably, the driven bevel gear and the drive bevel gear are meshed with each other, a second rotating shaft is fixedly sleeved inside the drive bevel gear, one end of the second rotating shaft is fixedly connected with a driving motor, the driving motor is arranged on the upper surface of the supporting plate, a cam is fixedly sleeved at the other end of the second rotating shaft, a rectangular access hole is formed in the top end of the sludge pond, and a first connecting plate is fixedly installed on one side, close to the cam, of the upper end of the rectangular access hole.

Preferably, rectangle access hole inner wall upper end is provided with the limiting plate, the joint has the mud to strain the basket between the limiting plate, mud strains the basket upper end and is close to one side fixed mounting of cam has the second connecting plate, the mounting groove has been seted up to second connecting plate side, mounting groove one side inner wall surface runs through and is provided with the mounting hole, the inside second bearing that is provided with of mounting hole, the second bearing cup joints the second axis of rotation is terminal.

Preferably, the inside bottom fixedly connected with mud of membrane biological reaction pond advances the pipe, mud advances the pipe and extends to the outside bottom of treatment tank, mud advances the pipe end and is provided with the sludge pump, mud advance the pipe with the sludge pump all sets up the internal portion of jar, the delivery port fixedly connected with mud exit tube of sludge pump, the mud exit tube extends to mud filter basket upper end.

Preferably, the inside bottom fixedly connected with third inlet tube of sludge impoundment, the third inlet tube extends to handle the outside bottom in pond, third inlet tube end is provided with the backwash pump, the delivery port fixedly connected with third outlet pipe of backwash pump, the third inlet tube the backwash pump with the third outlet pipe all sets up the internal portion of jar, the third outlet pipe extends to the inside bottom in facultative tank.

Preferably, an air blower is arranged on one side of the outside of the tank body, an air outlet of the air blower is fixedly connected with a conveying pipe, the tail end of the conveying pipe extends to the bottom end of the outside of the treatment tank, the tail end of the conveying pipe is respectively and fixedly connected with a first conveying branch pipe and a second conveying branch pipe, and the first conveying branch pipe and the second conveying branch pipe are both arranged inside the tank body; the membrane biological reaction tank is characterized in that the first conveying branch pipe and the second conveying branch pipe extend to the lower ends inside the membrane biological reaction tank and the regulating tank respectively, the tail ends of the first conveying branch pipe and the second conveying branch pipe are provided with communicating pipes, the upper ends of the communicating pipes are fixedly connected with five aeration pipes respectively, and the heights of the two adjacent aeration pipes are different.

(III) advantageous effects

Compared with the prior art, the invention provides a membrane biological reaction MBR integrated sewage treatment system, which has the following beneficial effects:

1. this membrane biological reaction MBR integration sewage treatment system, store and balanced water yield and quality of water to sewage through the equalizing basin, through the combined action of a large amount of anaerobes and the aerobic microorganism of facultative tank inside growth, purify sewage, sewage after the purification overflows inside membrane biological reaction pond through the gap, under the effect of self-priming pump, water flows into the disinfection pond behind the membrane module, disinfect water through disinfectant, water after the disinfection can follow equipment outlet pipe discharge recycle, the realization is to the purification of sewage.

2. This membrane biological reaction MBR integration sewage treatment system, purification effect through the membrane module, the mud interception that will have microorganism and macromolecular substance is inside membrane biological reaction pond, under the effect of sludge pump, the mixture of mud and water advances the pipe from mud and discharges into the sludge pump, discharge into the mud basket through the mud exit tube again in, water filters out from the filtration pore on mud basket surface, fall into the sludge impoundment bottom, mud remains inside the mud basket, convenient clearance, effectively avoid the pipeline to be blockked up by mud, influence purifying effect.

3. This membrane biological reaction MBR integration sewage treatment system through the backward flow effect of backwash pump, flows through the third outlet pipe with the sewage that the sludge impoundment bottom was filtered out from the third inlet pipe, gets into the inside bottom in facultative tank at last, is purified once more in the facultative tank, and the flow of repeated water purification promotes sewage treatment purifying effect.

4. This membrane biological reaction MBR integration sewage treatment system drives first axis of rotation and second axis of rotation simultaneously through driving motor and two intermeshing's bevel gear and rotates, and first axis of rotation drives stirring screw rod and puddler and rotates at the inside of disinfection pond, carries out intensive mixing to water and antiseptic solution, and the second axis of rotation drives and rotates the cam rotation, drives the vibrations of mud filter basket, improves the filter effect to mud, promotes stirring and filter effect simultaneously through a motor, practices thrift the cost.

5. This membrane biological reaction MBR integration sewage treatment system, carry the air respectively to first branch delivery pipe and second branch delivery pipe through the conveyer pipe through the air-blower, and then make the air let in the communicating pipe of equalizing basin and membrane biological reaction pond inside, finally emerge from the aeration pipe, stir the aeration to the inside rivers of equalizing basin and membrane biological reaction pond, make the microorganism in the air degrade and the conversion through the pollutant in metabolism in to sewage, because the high nonconformity of two adjacent aeration pipes, carry out the scope grow of aeration to rivers, the reinforcing aeration effect.

Drawings

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

FIG. 2 is a schematic view of the structure of the treatment tank and the sterilization tank of the present invention;

FIG. 3 is a schematic view of the structure of the treatment tank and the water delivery pipe of the present invention;

FIG. 4 is a schematic view of the disinfection tank of the present invention;

FIG. 5 is a schematic view of the driving structure of the present invention;

FIG. 6 is a schematic structural view of a sludge basket according to the present invention;

FIG. 7 is a schematic view showing the structure of a treatment tank and a sludge pipe according to the present invention;

FIG. 8 is a schematic view of the treatment tank and the transfer pipe structure of the present invention;

FIG. 9 is a schematic view of the structure of a treatment tank and an aeration pipe according to the present invention.

In the figure: 1. a tank body; 2. a treatment tank; 3. a regulating tank; 4. a facultative tank; 5. a membrane biological reaction tank; 6. a sludge tank; 7. a round access hole; 8. a cover plate; 9. a grid well; 10. a fence; 11. a device water inlet pipe; 12. a first connecting pipe; 13. a first water inlet pipe; 14. a sewage lift pump; 15. a first water outlet pipe; 16. an overflow port; 17. a membrane module; 18. a second water inlet pipe; 19. a self-priming pump; 20. purifying the pipeline; 21. a disinfection tank; 22. a second connecting pipe; 23. filtering with a screen; 24. a disinfectant storage tank; 25. a drug delivery tube; 26. a liquid level sensor; 27. a water outlet pipe of the equipment; 28. a support plate; 29. a first rotating shaft; 30. a first bearing; 31. a stirring screw; 32. a stirring rod; 33. a driven bevel gear; 34. a drive bevel gear; 35. a second rotating shaft; 36. a drive motor; 37. a cam; 38. a rectangular access opening; 39. a first connecting plate; 40. a sludge filter basket; 41. a second connecting plate; 42. mounting grooves; 43. mounting holes; 44. a second bearing; 45. sludge enters a pipe; 46. a sludge pump; 47. a sludge outlet pipe; 48. a third water inlet pipe; 49. a reflux pump; 50. a third water outlet pipe; 51. a blower; 52. a delivery pipe; 53. a first delivery leg; 54. a second delivery leg; 55. a communicating pipe; 56. an aeration pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, a membrane biological reaction MBR integrated sewage treatment system comprises a tank body 1, a treatment tank 2 is arranged inside the tank body 1, a regulating tank 3, a facultative tank 4, a membrane biological reaction tank 5 and a sludge tank 6 are sequentially and adjacently arranged inside the treatment tank 2, the top ends of the regulating tank 3, the facultative tank 4 and the membrane biological reaction tank 5 are respectively provided with a circular access hole 7, the top ends of the circular access holes 7 all penetrate through the upper end of the tank body 1, the upper end surface of the circular access hole 7 is provided with a cover plate 8, one side of the outside of the tank body 1 close to the regulating tank 3 is provided with a grating well 9, a fence 10 is fixedly arranged inside the grating well 9, two sides of the grating well 9 are respectively and fixedly connected with an equipment water inlet pipe 11 and a first connecting pipe 12, the tail end of the first connecting pipe 12 extends to the upper end inside the regulating tank 3, the lower end of, the tail end of the first water inlet pipe 13 is provided with a sewage lifting pump 14, a first water outlet pipe 15 is fixedly connected with a water outlet of the sewage lifting pump 14, the first water inlet pipe 13, the sewage lifting pump 14 and the first water outlet pipe 15 are all arranged inside the tank body 1, the tail end of the first water outlet pipe 15 extends to the lower end inside the facultative tank 4, an overflow opening 16 is formed in the upper end of a partition plate between the facultative tank 4 and the membrane biological reaction tank 5, a membrane component 17 is arranged inside the membrane biological reaction tank 5, and a second water inlet pipe 18 is fixedly connected with a water outlet at the top end of.

Further, the end of second inlet tube 18 extends to jar body 1 outside, the terminal fixed mounting of second inlet tube 18 has self priming pump 19, self priming pump 19's play water side is provided with purifying pipe 20, the inside packing of purifying pipe 20 has active carbon, the purifying pipe 20 upper end is provided with the protection apron, purifying pipe 20's play water side is provided with disinfection tank 21, self priming pump 19, be fixedly connected with second connecting pipe 22 respectively between purifying pipe 20 and the disinfection tank 21, thereby in the water that passes through after membrane module 17 purifies the water that passes through flows into purifying pipe 20 through second inlet tube 18 and self priming pump 19, adsorb once more of the active carbon of filling in purifying pipe 20, flow into in disinfection tank 21 after purifying.

Further, second connecting pipe 22 and pipeline 20 handing-over department are provided with filter screen 23 respectively, 21 outside one side in disinfection pond is provided with disinfectant bin 24, be provided with defeated pencil 25 between the inside bottom of disinfectant bin 24 and the 21 side upper end in disinfection pond, one side inner wall surface of disinfection pond 21 is provided with level sensor 26, thereby level sensor 26 can the inside water level in real-time supervision disinfection pond 21, prevent that water from overflowing, cause the waste, 21 a side surface through connection in disinfection pond has

equipment outlet pipe

27, 21 outside one side in disinfection pond is provided with backup pad 28, thereby disinfectant in the disinfectant bin 24 instils into disinfection pond 21 inside from defeated pencil 25, disinfect water, water after the disinfection flows out from equipment outlet pipe 27.

Further, disinfection pond 21 one side is run through and is provided with first axis of rotation 29, first axis of rotation 29 is provided with first bearing 30 with disinfection pond 21 side handing-over department, first axis of rotation 29 is located the inside one end fixedly connected with stirring screw 31 and the puddler 32 of disinfection pond 21, puddler 32 sets up in stirring screw 31 both sides, the fixed cover of first axis of rotation 29 end has connect driven bevel gear 33, driven bevel gear 33 one side is provided with drive bevel gear 34, thereby first axis of rotation 29 rotates and drives stirring screw 31 and puddler 32 and rotate at disinfection pond 21 inside, with disinfectant and water intensive mixing even, reinforcing disinfection effect.

Further, driven bevel gear 33 and drive bevel gear 34 intermeshing, the fixed cover of drive bevel gear 34 has connect second axis of rotation 35, second axis of rotation 35 one end fixedly connected with driving motor 36, driving motor 36 sets up at the backup pad 28 upper surface, the fixed cam 37 that has cup jointed in second axis of rotation 35 other end, sludge impoundment 6 top is provided with rectangle access hole 38, one side fixed mounting that rectangle access hole 38 upper end is close to cam 37 has first connecting plate 39, thereby driving motor 36 work drives second axis of rotation 35 and rotates, second axis of rotation 35 rotates and drives drive bevel gear 34 and cam 37 simultaneously and rotate, and then drive bevel gear 34 drives driven bevel gear 33 with it meshing and rotate, driven bevel gear 33 drives first axis of rotation 29 and rotates.

Further, rectangle access hole 38 inner wall upper end is provided with the limiting plate, the joint has mud to strain basket 40 between the limiting plate, one side fixed mounting that the cam 37 is close to on mud strain basket 40 upper end has second connecting plate 41, mounting groove 42 has been seted up to second connecting plate 41 side, mounting groove 42 one side inner wall surface runs through and is provided with mounting hole 43, the inside second bearing 44 that is provided with of mounting hole 43, second bearing 44 cup joints at second axis of rotation 35 end, thereby cam 37 sets up inside mounting groove 42, under the action of gravity, the upper end inner wall of mounting groove 42 all the time with the outer surface contact of cam 37, make cam 37 drive second connecting plate 41 reciprocal vibrations from top to bottom, and then drive the vibrations of mud strain basket 40. In addition, during specific application, mud filter basket 40 upper end border card is at the limiting plate upper surface, but has the gap between the lateral wall of mud filter basket 40 and the limiting plate lateral wall, and mud filter basket 40 has sufficient space to shake, and does not drop from rectangle access hole 38 upper end.

Further, pipe 45 is advanced to the inside bottom fixedly connected with mud of membrane biological reaction pond 5, mud advances pipe 45 and extends to the outside bottom of treatment tank 2, mud advances pipe 45 end and is provided with sludge pump 46, mud advances pipe 45 and sludge pump 46 and all sets up inside jar body 1, sludge pump 46's delivery port fixedly connected with mud exit tube 47, mud exit tube 47 extends to mud filter basket 40 upper end, thereby under sludge pump 46's effect, the mud that remains in membrane biological reaction pond 5 inside advances pipe 45 from mud and discharges into sludge pump 46, discharge into mud filter basket 40 through mud exit tube 47 again, and then water filters out from the filtration pore on mud filter basket 40 surface, fall into sludge impoundment 6 bottom, mud remains inside mud filter basket 40, cam 37 rotates and drives the vibrations of mud filter basket 40, and the filter effect is improved, the inside mud of mud filter basket 40 can directly be cleared up.

Further, the bottom end of the interior of the sludge tank 6 is fixedly connected with a third water inlet pipe 48, the third water inlet pipe 48 extends to the bottom end of the exterior of the treatment tank 2, the tail end of the third water inlet pipe 48 is provided with a reflux pump 49, a water outlet of the reflux pump 49 is fixedly connected with a third water outlet pipe 50, the third water inlet pipe 48, the reflux pump 49 and the third water outlet pipe 50 are all arranged inside the tank body 1, and the third water outlet pipe 50 extends to the bottom end of the interior of the facultative tank 4.

Further, an air blower 51 is arranged on one side of the outside of the tank body 1, an air outlet of the air blower 51 is fixedly connected with a delivery pipe 52, the tail end of the delivery pipe 52 extends to the bottom end of the outside of the treatment tank 2, the tail end of the delivery pipe 52 is fixedly connected with a first delivery branch pipe 53 and a second delivery branch pipe 54 respectively, the first delivery branch pipe 53 and the second delivery branch pipe 54 are arranged inside the tank body 1, and therefore the air blower 51 delivers air into the first delivery branch pipe 53 and the second delivery branch pipe 54 through the delivery pipe 52 respectively.

Further, the first conveying branch pipe 53 and the second conveying branch pipe 54 extend to the lower ends inside the membrane biological reaction tank 5 and the adjusting tank 3 respectively, the tail ends of the first conveying branch pipe 53 and the second conveying branch pipe 54 are provided with communicating pipes 55, the upper ends of the communicating pipes 55 are fixedly connected with five aeration pipes 56 respectively, the heights of the two adjacent aeration pipes 56 are different, so that air is introduced into the communicating pipes 55 inside the adjusting tank 3 and the membrane biological reaction tank 5 from the first conveying branch pipe 53 and the second conveying branch pipe 54, and finally emerges from the aeration pipes 56, and further the water flow inside the adjusting tank 3 and the membrane biological reaction tank 5 is stirred and aerated, so that microorganisms in the air degrade and convert pollutants in the sewage through metabolism, and due to the different heights of the two adjacent aeration pipes 56, the range for aerating the water flow is enlarged, and the aerating effect is enhanced.

In some embodiments, the fence 10 is composed of a plurality of hollow pipes, one of the hollow pipes is communicated with the blower 51, each hollow pipe is provided with a plurality of through holes, the blower 51 can introduce oxygen into the fence 10 and then discharge the oxygen through the through holes in the fence 10, so that one-step degradation treatment can be performed in advance, sewage is degraded at the fence 10 to a certain extent and then passes through the fence 10, and the purification degree of the sewage is improved.

The working principle is as follows: when the biological sewage treatment device is used, the tank body 1 is buried underground, the disinfection tank 21 and the blower 51 are installed on the ground, the blower 51 is started, the blower 51 conveys air into the first conveying branch pipe 53 and the second conveying branch pipe 54 through the conveying pipe 52 respectively, the air is introduced into the communicating pipes 55 inside the regulating tank 3 and the membrane biological reaction tank 5 from the first conveying branch pipe 53 and the second conveying branch pipe 54 respectively, and finally emerges from the aeration pipe 56 to stir and aerate water flows inside the regulating tank 3 and the membrane biological reaction tank 5, so that microorganisms in the air degrade and convert pollutants in the sewage through metabolism, the driving motor 36 is started, the driving motor 36 drives the second rotating shaft 35 to rotate, the second rotating shaft 35 rotates and simultaneously drives the driving bevel gear 34 and the cam 37 to rotate, in the rotating process of the cam 37, under the action of gravity, the inner wall of the upper end of the installation groove 42 is always contacted with the outer surface of the cam 37, the cam 37 drives the second connecting plate 41 to vibrate up and down in a reciprocating manner, so as to drive the sludge filter basket 40 to vibrate, meanwhile, the driving bevel gear 34 drives the driven bevel gear 33 engaged with the driving bevel gear to rotate, the driven bevel gear 33 drives the first rotating shaft 29 to rotate, and further drives the stirring screw 31 and the stirring rod 32 to rotate inside the disinfection tank 21;

sewage flows into the interior of a grid well 9 from an equipment water inlet pipe 11, under the action of a fence 10, large garbage in the sewage is blocked in the grid well 9, the sewage flows into the interior of an adjusting tank 3 through a first connecting pipe 12, the adjusting tank 3 stores the sewage and balances the water quantity and the water quality, the sewage flows into the interior of a facultative tank 4 through a first water inlet pipe 13, a sewage lifting pump 14 and a first water outlet pipe 15 in sequence, a large number of anaerobic microorganisms and aerobic microorganisms grow in the interior of the facultative tank 4, and the aeration effect of an aeration pipe 56, the microorganisms play a role together to purify the sewage, the purified sewage overflows into the interior of a membrane biological reaction tank 5 through an overflow port 16, under the action of a self-priming pump 19, the water overflowing into the interior of the membrane biological reaction tank 5 flows into the interior of a self-priming pump 19 from a second water inlet pipe 18 after penetrating through a membrane assembly 17, and then flows into a disinfection tank 21 after being purified by activated carbon in a, the disinfectant in the disinfectant storage tank 24 is dripped into the disinfection tank 21 from the drug delivery pipe 25, the stirring screw 31 and the stirring rod 32 rotate in the disinfection tank 21 to uniformly stir the disinfectant and water, the disinfected water can be discharged and recycled from the equipment water outlet pipe 27, and the liquid level sensor 26 can monitor the water level in the disinfection tank 21 in real time to prevent the water from overflowing and causing waste;

sludge residue with microorganism and macromolecular substance is inside membrane biological reaction pond 5, under sludge pump 46's effect, sludge and water's mixture advances pipe 45 from mud and discharges into sludge pump 46, discharge into mud filter basket 40 through mud exit tube 47 again in, water filters out from the filtration pore on mud filter basket 40 surface, fall into sludge impoundment 6 bottom, sludge residue is inside mud filter basket 40, cam 37 rotates and drives mud filter basket 40 vibrations, improve the filter effect, the inside mud of mud filter basket 40 can directly be cleared up away, the sewage that is filtered out in sludge impoundment 6 bottom is under reflux pump 49's backward flow effect, third outlet pipe 50 flows through from third inlet pipe 48, get into the inside bottom of facultative anaerobic tank 4 at last, be purified once more in facultative anaerobic tank 4, the flow of repeated water purification.

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 membrane biological reaction MBR integration sewage treatment system, includes jar body (1), its characterized in that: the utility model discloses a membrane bioreactor, including jar body (1), treatment tank (2), equalizing basin (3), facultative tank (4), membrane biological reaction pond (5) and sludge impoundment (6) are adjacent in proper order to the inside treatment tank (2) that is provided with of treatment tank (2), equalizing basin (3), facultative tank (4) with membrane biological reaction pond (5) top all is provided with circular access hole (7), circular access hole (7) top all runs through jar body (1), circular access hole (7) top end all is provided with apron (8), facultative tank (4) with baffle upper end between membrane biological reaction pond (5) is provided with gap (16), membrane biological reaction pond (5) inside is provided with membrane module (17), the delivery port fixedly connected with second inlet tube (18) on membrane module (17) top.

2. The membrane biological reaction MBR integrated sewage treatment system according to claim 1, which is characterized in that: the utility model discloses a sewage treatment tank, one side that the jar body (1) outside is close to equalizing basin (3) is provided with grid well (9), the inside fixed mounting of grid well (9) has fence (10), grid well (9) both sides are fixedly connected with equipment inlet tube (11) and first connecting pipe (12) respectively, first connecting pipe (12) end extends to the inside upper end of equalizing basin (3), the inside lower extreme of equalizing basin (3) is provided with first inlet tube (13), first inlet tube (13) end extends to the treatment tank (2) outside, first inlet tube (13) end is provided with sewage elevator pump (14), the delivery port fixedly connected with first outlet pipe (15) of sewage elevator pump (14), first inlet tube (13), sewage elevator pump (14) and first outlet pipe (15) all set up in the jar body (1), the tail end of the first water outlet pipe (15) extends to the lower end inside the facultative tank (4).

3. The membrane biological reaction MBR integrated sewage treatment system according to claim 1, which is characterized in that: the end of the second water inlet pipe (18) extends to the tank body (1) is external, the end of the second water inlet pipe (18) is fixedly provided with a self-sucking pump (19), the water outlet side of the self-sucking pump (19) is provided with a purifying pipeline (20), the purifying pipeline (20) is internally filled with activated carbon, the upper end of the purifying pipeline (20) is provided with a protective cover plate, the water outlet side of the purifying pipeline (20) is provided with a sterilizing tank (21), the self-sucking pump (19), the purifying pipeline (20) and a second connecting pipe (22) which is fixedly connected between the sterilizing tank (21) respectively.

4. The membrane biological reaction MBR integrated sewage treatment system according to claim 3, wherein: second connecting pipe (22) with pipeline purification (20) handing-over punishment do not is provided with filter screen (23), disinfection pond (21) outside one side is provided with disinfectant bin (24), disinfectant bin (24) inside bottom with be provided with between disinfection pond (21) side upper end defeated pencil (25), one side inner wall surface in disinfection pond (21) is provided with level sensor (26), a disinfection pond (21) side surface through connection has equipment outlet pipe (27), disinfection pond (21) outside one side is provided with backup pad (28).

5. The membrane biological reaction MBR integrated sewage treatment system according to claim 4, wherein: disinfecting pond (21) one side is run through and is provided with first axis of rotation (29), first axis of rotation (29) with disinfection pond (21) side handing-over department is provided with first bearing (30), first axis of rotation (29) are located the inside one end fixedly connected with stirring screw (31) and puddler (32) of disinfection pond (21), puddler (32) set up stirring screw (31) both sides, the fixed cover of first axis of rotation (29) end has been cup jointed driven bevel gear (33), driven bevel gear (33) one side is provided with initiative bevel gear (34).

6. The membrane biological reaction MBR integrated sewage treatment system according to claim 5, wherein: driven bevel gear (33) with drive bevel gear (34) intermeshing, the fixed cover in drive bevel gear (34) inside has connect second axis of rotation (35), second axis of rotation (35) one end fixedly connected with driving motor (36), driving motor (36) set up backup pad (28) upper surface, the fixed cover in second axis of rotation (35) other end has connect cam (37), sludge impoundment (6) top is provided with rectangle access hole (38), rectangle access hole (38) upper end is close to one side fixed mounting of cam (37) has first connecting plate (39).

7. The membrane biological reaction MBR integrated sewage treatment system of claim 6, which is characterized in that: rectangle access hole (38) inner wall upper end is provided with the limiting plate, the joint has mud to strain basket (40) between the limiting plate, mud strains basket (40) upper end and is close to one side fixed mounting of cam (37) has second connecting plate (41), mounting groove (42) have been seted up to second connecting plate (41) side, mounting groove (42) one side inner wall surface runs through and is provided with mounting hole (43), inside second bearing (44) that is provided with of mounting hole (43), second bearing (44) cup joint second axis of rotation (35) are terminal.

8. The membrane biological reaction MBR integrated sewage treatment system according to claim 7, wherein: the inside bottom fixedly connected with mud of membrane biological reaction pond (5) advances pipe (45), mud advances pipe (45) and extends to handle the outside bottom of pond (2), mud advances pipe (45) end and is provided with sludge pump (46), mud advance pipe (45) with sludge pump (46) all set up inside the jar body (1), the delivery port fixedly connected with mud exit tube (47) of sludge pump (46), mud exit tube (47) extend to mud strainer basket (40) upper end.

9. The membrane biological reaction MBR integrated sewage treatment system according to claim 8, wherein: the inside bottom fixedly connected with third inlet tube (48) of sludge impoundment (6), third inlet tube (48) extend to handle the outside bottom in pond (2), third inlet tube (48) end is provided with backwash pump (49), the delivery port fixedly connected with third outlet pipe (50) of backwash pump (49), third inlet tube (48) backwash pump (49) with third outlet pipe (50) all set up inside the jar body (1), third outlet pipe (50) extend to facultative tank (4) inside bottom.

10. The membrane biological reaction MBR integrated sewage treatment system of claim 9, which is characterized in that: an air blower (51) is arranged on one side of the outer portion of the tank body (1), an air outlet of the air blower (51) is fixedly connected with a conveying pipe (52), the tail end of the conveying pipe (52) extends to the bottom end of the outer portion of the treatment pool (2), the tail end of the conveying pipe (52) is fixedly connected with a first conveying branch pipe (53) and a second conveying branch pipe (54) respectively, and the first conveying branch pipe (53) and the second conveying branch pipe (54) are arranged inside the tank body (1); the membrane bioreactor is characterized in that the first conveying branch pipe (53) and the second conveying branch pipe (54) extend to the lower ends of the membrane bioreactor (5) and the inner part of the adjusting tank (3) respectively, communicating pipes (55) are arranged at the tail ends of the first conveying branch pipe (53) and the second conveying branch pipe (54), five aeration pipes (56) are fixedly connected to the upper ends of the communicating pipes (55) respectively, and the heights of the two adjacent aeration pipes (56) are different.