CN115231691A - High-efficient sewage treatment system based on MBR membrane - Google Patents
High-efficient sewage treatment system based on MBR membrane Download PDFInfo
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- CN115231691A CN115231691A CN202210998025.XA CN202210998025A CN115231691A CN 115231691 A CN115231691 A CN 115231691A CN 202210998025 A CN202210998025 A CN 202210998025A CN 115231691 A CN115231691 A CN 115231691A
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- 239000010865 sewage Substances 0.000 title claims abstract description 175
- 239000012528 membrane Substances 0.000 title claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000005485 electric heating Methods 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims description 34
- 230000008093 supporting effect Effects 0.000 claims description 33
- 230000000903 blocking effect Effects 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 238000005273 aeration Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 3
- 238000007789 sealing Methods 0.000 claims 3
- 239000010802 sludge Substances 0.000 abstract description 34
- 230000000694 effects Effects 0.000 abstract description 28
- 230000004907 flux Effects 0.000 description 13
- 230000002349 favourable effect Effects 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 8
- 230000001976 improved effect Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009285 membrane fouling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/006—Regulation methods for biological treatment
-
- 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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1284—Mixing devices
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2853—Anaerobic digestion processes using anaerobic membrane bioreactors
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
- C02F2301/10—Temperature conditions for biological treatment
- C02F2301/106—Thermophilic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to an MBR (membrane bioreactor) membrane-based efficient sewage treatment system which comprises a treatment cylinder, wherein the top of the treatment cylinder is fixedly connected with a cylinder cover, the top of the cylinder cover is provided with air outlet holes, an electric heating plate is fixedly embedded on the inner wall of the treatment cylinder, a cavity is formed in the cylinder cover, a plurality of first water outlet holes are formed in the inner bottom surface of the cavity in a circumferential array manner, the side wall of the cavity is fixedly communicated with a first conveying pipe, the end part of the first conveying pipe is fixedly communicated with an external sewage conveying mechanism, and the top of the cylinder cover is provided with a plugging mechanism; the sewage temperature around the electric heating plate can be higher than the sewage temperature of the middle part inside the treatment cylinder, sewage in the middle of the inside of the treatment cylinder and sewage on the side edge are circularly exchanged through the circulating drainage mechanism, the electric heating plate is convenient to uniformly heat the sewage inside the treatment cylinder, the temperature of the sewage inside the treatment cylinder is favorably maintained to be the same, and the activity of sludge in the sewage is favorably maintained.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to an efficient sewage treatment system based on an MBR (membrane bioreactor) membrane.
Background
In the field of sewage treatment and water resource recycling, MBR (membrane bioreactor) is also called membrane bioreaction, and is a novel water treatment technology combining a membrane separation unit and a biological treatment unit.
The prior art discloses partial patent documents about sewage treatment, and Chinese patent with application number 201710074824.7 discloses a patent of an efficient sewage treatment system based on an MBR membrane, which comprises an adjusting tank, a facultative tank, an MBR membrane component, a water outlet pump, an MBR membrane cleaning pump, a wind power impeller, a wind power driving rod, an aeration wheel, a blower, a slag filtering tank, a grating plate, a vibrator, a three-way electromagnetic valve, an underground cooling pipe, a heating water tank, a photovoltaic plate, a supporting air bag, a temperature sensor, a heat absorption layer, a fixed seat, a sewage discharge pump, a sludge tank, a drainage pipe, a sewage discharge pipe, a drainage pipe, a cleaning pipe and an air pipe, wherein the adjusting tank is connected with the facultative tank through the three-way electromagnetic valve; and an MBR membrane module is arranged inside the MBR tank.
The effect of temperature on the flux of MBR membrane is not big, but low temperature can influence the activity and viscosity of mud, thereby influence the flux of membrane indirectly, consequently the temperature reduces when winter, make the mobility of mud weaken, the mud that mobility is weak is difficult for flowing away near the membrane, can adjust the water yield of membrane, and then reduced the water production ability, consequently to delay the dirty stifled cycle of membrane in winter, this application is through carrying out heat treatment near the membrane, and realize even heating, guarantee that mud has the temperature that maintains the activity, maintain the activity and the viscosity of mud ideal, and then need not to adjust the water yield of membrane down, for this reason, we have proposed the high-efficient sewage treatment system based on MBR membrane.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an MBR membrane-based high-efficiency sewage treatment system.
In order to achieve the purpose, the invention adopts the technical scheme that: the MBR membrane-based high-efficiency sewage treatment system comprises a treatment cylinder, wherein the top of the treatment cylinder is fixedly connected with a cylinder cover, the top of the cylinder cover is provided with air outlet holes, the inner wall of the treatment cylinder is fixedly embedded with an electric heating plate, the inside of the cylinder cover is provided with a cavity, the inner bottom surface of the cavity is provided with a plurality of first water outlet holes in a circumferential array, the side wall of the cavity is fixedly communicated with a first conveying pipe, the end part of the first conveying pipe is fixedly communicated with an external sewage conveying mechanism, the top of the cylinder cover is provided with a plugging mechanism, the plugging mechanism is used for plugging all the first water outlet holes, the inner wall of the treatment cylinder is hermetically and rotatably connected with a third annular plate, the inner annular wall of the third annular plate is hermetically and rotatably connected with a supporting seat, the inside of the treatment cylinder is provided with a circulating drainage mechanism, and the circulating drainage mechanism is used for realizing interchange of sewage at the inner edge of the treatment cylinder and in the middle;
the bottom fixedly connected with water pump of a processing section of thick bamboo, the sealed intercommunication that rotates of inlet tube tip of water pump has the second conveyer pipe, the second conveyer pipe with be equipped with the drive jointly between the bottom of a processing section of thick bamboo the second conveyer pipe pivoted second rotary driving mechanism, the second conveyer pipe runs through the bottom of a processing section of thick bamboo and extend to the inside after-fixing intercommunication of a processing section of thick bamboo has the third conveyer pipe, fixedly connected with MBR membrane module is encircleed in the outside of third conveyer pipe, encircle on the lateral wall of third conveyer pipe be equipped with a plurality of with the inlet opening of MBR looks adaptation, the bottom of supporting seat is the circumference array and has seted up four first waist mouths, the supporting seat bottom with be equipped with between the third conveyer pipe and shelter from the mechanism, it is used for intermittent type to four to shelter from the first waist mouth.
Preferably, the plugging mechanism comprises two electric cylinders, the two electric cylinders are symmetrically and fixedly connected to the top of the cylinder cover, and the end parts of piston rods of the two electric cylinders penetrate through the cylinder cover and extend to the inside of the cavity and then are fixedly connected with a first annular plate together.
Preferably, circulation drainage mechanism includes pipe, cylinder, pipe fixed connection is in the bottom of cover, the lateral wall top of pipe is the circumference array and has seted up four second apopores, the lateral wall top fixedly connected with drainage cover of pipe, and drainage cover is located four the below of second apopore, the bottom fixedly connected with second annular plate of drainage cover, the bottom of second annular plate is four first connecting plates of circumference array fixedly connected with, four the lower extreme of first connecting plate all with the top fixed connection of supporting seat, the standing groove has been seted up to the bottom of second annular plate, vertical sliding connection has annular barrier plate on the inner wall of standing groove, the top of annular barrier plate with be equipped with pulling mechanism between the first annular plate cancel right the in-process of first apopore shutoff links pulling mechanism drives annular barrier plate shifts up, the cylinder rotates to be connected in the top of supporting seat, the cylindrical upper end is passed the pipe upwards runs through the cover is extended to its outside after is equipped with first rotary drive mechanism, first rotary drive is used for driving cylindrical surface is connected with the spiral blade.
Preferably, the pulling mechanism comprises two first connecting columns, two third connecting plates and a yielding port, the two first connecting columns are symmetrically and fixedly connected to the bottoms of the first annular plates, the lower ends of the two first connecting columns penetrate through the second annular plates and extend to the inner parts of the placing grooves, the first connecting columns are fixedly connected with limiting plates respectively, the first connecting columns are slidably connected to the second connecting plates on the surfaces, the bottoms of the second connecting plates are in contact with the tops of the limiting plates, the second connecting columns are symmetrically and fixedly connected to the bottoms of the second connecting columns, the bottoms of the two second connecting columns are fixedly connected to the tops of the annular blocking plates, and the first connecting columns are sleeved with first springs respectively on the surfaces, the both ends of first spring respectively with the inside top of standing groove and the top fixed connection of second connecting plate, two third connecting plate symmetry fixed connection is in cylindrical lateral wall below, one of them the end fixing of third connecting plate has L shape connecting rod, L shape connecting rod dorsad the one end of third connecting plate is fixed with promotes the piece, the surface that promotes the piece is equipped with the inclined plane, let the position mouth set up on the inner ring lateral wall of second annular slab, let vertical sliding connection have the mounting panel on the inner wall of position mouth, the tip of mounting panel extend to behind the inside of standing groove with annular stop plate fixed connection, the bottom fixed mounting of mounting panel has the pulley, the pulley is located on the orbit that promotes the piece and circular motion just the rolling surface of pulley with inclined plane looks adaptation.
Preferably, the first rotary driving mechanism comprises a first gear and a first mounting frame, the first gear is fixedly connected above the surface of the cylinder, the first mounting frame is fixedly connected to the top of the cylinder cover, a first motor is fixedly connected to the top of the first mounting frame, the end part of an output shaft of the first motor penetrates through the first mounting frame and extends to a second gear fixedly connected to the rear of the lower part of the first mounting frame, and the second gear is meshed with the first gear.
Preferably, two the top of third connecting plate all is equipped with rabbling mechanism third connecting plate pivoted in-process, the linkage rabbling mechanism is right the inside sewage of a processing section of thick bamboo is mixxed and is mixed, rabbling mechanism includes the puddler, puddler fixed connection be in the top of third connecting plate, the puddler be fixed with a plurality of first stirring vane of a plurality of on the surface, it is whole equal a plurality of second springs of fixedly connected with on first stirring vane's the lateral wall, it is same fixed on the first stirring vane the common fixedly connected with second stirring vane of tip of second spring.
Preferably, the second rotary driving mechanism comprises a third gear and a second mounting frame, the third gear is fixedly connected to the surface of the second conveying pipe, the second mounting frame is fixedly connected to the bottom of the treatment barrel, a second motor is fixedly connected to the bottom of the second mounting frame, the end of an output shaft of the second motor penetrates through the second mounting frame and upwards extends out of the second mounting frame, and a fourth gear is fixedly connected to the rear of the second mounting frame and meshed with the third gear.
Preferably, the MBR membrane module includes a spiral reinforcing frame, the spiral reinforcing frame is fixedly connected to the surface of the third conveying pipe, and the surface of the spiral reinforcing frame is fixedly connected with an upper membrane layer and a lower membrane layer.
Preferably, shelter from the mechanism and include two third spliced poles, two scraper blades, two third spliced pole difference fixed connection is in on the surface of the both ends of third conveyer pipe, two the common fixedly connected with annular shielding plate in upper end of third spliced pole, the top of annular shielding plate is the circumference array and has seted up four second waist mouths, the top of annular shielding plate with the bottom fixed connection of third annular plate, two scraper blade symmetry fixed connection is in the top of third annular plate.
Preferably, two be equipped with aeration mechanism jointly between the third spliced pole, aeration mechanism is used for right MBR membrane module surface blows and supports, aeration mechanism includes through-hole, air-blower, the through-hole runs through set up the cylindrical top, air-blower fixed connection is in the top of cover, the play tuber pipe end fixing intercommunication of air-blower has L type pipe, the tip of L type pipe is passed through the through-hole is fixed to be run through the supporting seat extends to the sealed intercommunication that rotates in the below back of supporting seat has fixed pipe, L type pipe with sealed rotation is connected between the through-hole, the both ends of fixed pipe respectively with the fixed surface of two third spliced poles be connected, the fixed intercommunication on the surface of fixed pipe has the jet-propelled pipe of a plurality of, fixedly connected with check valve on the inner wall of jet-propelled pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. the sewage in the middle of the inside of the treatment cylinder and the sewage at the side of the inside of the treatment cylinder are circularly exchanged through the circulating drainage mechanism, so that all the sewage has the opportunity of contacting with the electric heating plate, the sewage in the inside of the treatment cylinder is uniformly heated by the electric heating plate, the temperature of the sewage in the treatment cylinder is favorably maintained to be the same, the activity of the sewage in the inside of the treatment cylinder is favorably maintained, the influence of low temperature on the activity and the viscosity of the sludge in the sewage is avoided in the weather, and the sewage is attached to the surface of the MBR membrane component to indirectly influence the flux of the membrane and the water yield of the membrane.
2. In the process that the third connecting plate rotates along with the cylinder, a stirring rod connected to the top of the third connecting plate can rotate along with the third connecting plate, the stirring of sewage in the middle of the inside of the treatment cylinder is realized by the aid of a first stirring blade on the surface of the third connecting plate, the second stirring blade is connected through a second spring, in the rotating process of the stirring rod, the swinging range of the second stirring blade is enlarged by the aid of the elasticity of a second spring, the stirring effect is improved, the sewage at the inner edge and the middle part of the treatment cylinder is favorably and fully mixed, the uniform heating of the sewage in the treatment cylinder is favorably realized, the activity of sludge is maintained, the phenomenon that the sludge in the sewage is attached to the surface of an MBR membrane component is avoided, and the flux of the MBR membrane component is influenced.
3. When the sewage temperature of the treatment cylinder is uniform, the second motor is started by means of an external controller, an output shaft of the second motor can drive the fourth gear to rotate, and the fourth gear is meshed with a third gear connected to the surface of the second conveying pipe, so that when the fourth gear rotates, the third gear can be synchronously driven to rotate, and further the second conveying pipe is driven to rotate, so that the second conveying pipe drives the third conveying pipe to rotate, the third conveying pipe filters the sewage in the rotating process, the active rotation of the third conveying pipe is favorable for improving the fluidity of the sewage, the condition that the fluidity is influenced by the weak fluidity of the sludge is favorable for avoiding, and the rotation of the third conveying pipe is favorable for promoting the uniform mixing of the sewage around the third conveying pipe, the temperature of the sewage is favorable for making the sewage uniform, the fluidity of the sludge in the sewage is improved by uniform heating, when part of the sludge is attached to the surface of the third conveying pipe, the rotation of the third conveying pipe is favorable for throwing the sludge out by centrifugal force, the influence of the flux of MBR on the surface of the third conveying pipe is favorable for improving the flux of the sewage treatment effect of a membrane module.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 2 at C according to the present invention;
FIG. 6 is a partial cross-sectional view of the present invention;
FIG. 7 is a schematic structural view showing a connection condition of a second spring and a second stirring blade according to the present invention (a sectional view of a cover, a flow guide cover and a second annular plate);
FIG. 8 is an enlarged view of the structure of FIG. 7 at D according to the present invention;
FIG. 9 is a schematic view (partially cut away) of the connection between the first connecting post and the limiting plate according to the present invention;
FIG. 10 is a schematic view of the connection between the third connecting column and the annular shielding plate according to the present invention;
FIG. 11 is a schematic view showing the structure of the connection between the cylindrical blade and the helical blade according to the present invention;
FIG. 12 is a schematic structural view of the connection between the gas injection pipe and the check valve (MBR membrane module is a sectional view);
FIG. 13 is an enlarged view of E of FIG. 12 according to the present invention.
In the figure: 1. a treatment cylinder; 2. a barrel cover; 201. an air outlet; 3. an electrical heating plate; 4. a cavity; 5. a first water outlet; 6. a first delivery pipe; 7. a third annular plate; 8. a supporting seat; 9. a water pump; 10. a second delivery pipe; 11. a third delivery pipe; 12. an MBR membrane module; 1201. a spiral reinforcing frame; 1202. coating a film layer; 1203. a lower film layer; 13. a water inlet hole; 14. a first waist opening; 15. an electric cylinder; 16. a first annular plate; 17. a circular tube; 18. a second water outlet; 19. a drainage cover; 20. a second annular plate; 21. a first connecting plate; 22. a placement groove; 23. an annular blocking plate; 24. a cylinder; 25. a helical blade; 26. a first connecting column; 27. a limiting plate; 28. a second connecting plate; 29. a second connecting column; 30. a third connecting plate; 3001. an L-shaped connecting rod; 31. a first spring; 32. a pushing block; 33. an inclined surface; 34. a let position port; 35. mounting a plate; 36. a pulley; 37. a first gear; 38. a first mounting bracket; 39. a first motor; 40. a second gear; 41. a stirring rod; 42. a first stirring blade; 43. a second spring; 44. a second stirring blade; 45. a third gear; 46. a second mounting bracket; 47. a second motor; 48. a fourth gear; 49. a third connecting column; 50. an annular shield plate; 51. a second waist opening; 52. a through hole; 53. a blower; 54. an L-shaped pipe; 55. a fixed tube; 56. a gas ejector tube; 57. a one-way valve; 58. a scraper.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The efficient sewage treatment system based on the MBR membrane as shown in FIGS. 1 to 13 comprises a treatment cylinder 1, wherein a cylinder cover 2 is fixedly connected to the top of the treatment cylinder 1, and an air outlet 201 is formed in the top of the cylinder cover 2, and is characterized in that an electric heating plate 3 is fixedly embedded in the inner wall of the treatment cylinder 1, a cavity 4 is formed in the cylinder cover 2, a plurality of first water outlet holes 5 are formed in the circumferential array on the inner bottom surface of the cavity 4, a first delivery pipe 6 is fixedly communicated with the side wall of the cavity 4, the end part of the first delivery pipe 6 is fixedly communicated with an external sewage delivery mechanism, a plugging mechanism is arranged at the top of the cylinder cover 2, and is used for plugging all the first water outlet holes 5, a third annular plate 7 is hermetically and rotatably connected to the inner wall of the treatment cylinder 1, a support base 8 is hermetically and rotatably connected to the inner annular wall of the third annular plate 7, a circulating drainage mechanism is arranged in the treatment cylinder 1, and is used for realizing interchange of sewage at the inner edge and in the middle of the treatment cylinder 1;
the bottom of the treatment cylinder 1 is fixedly connected with a water pump 9, the end part of a water inlet pipe of the water pump 9 is hermetically, rotatably and communicated with a second conveying pipe 10, a second rotary driving mechanism for driving the second conveying pipe 10 to rotate is jointly arranged between the second conveying pipe 10 and the bottom of the treatment cylinder 1, the second conveying pipe 10 penetrates through the bottom of the treatment cylinder 1 and extends into the treatment cylinder 1, and then is fixedly communicated with a third conveying pipe 11, the outer side of the third conveying pipe 11 is fixedly connected with an MBR (membrane bioreactor) membrane assembly 12 in a surrounding manner, a plurality of water inlet holes 13 matched with the MBR membrane assembly 12 are arranged on the outer side wall of the third conveying pipe 11 in a surrounding manner, the bottom of the supporting seat 8 is provided with four first waist openings 14 in a circumferential array manner, and a shielding mechanism is arranged between the bottom of the supporting seat 8 and the third conveying pipe 11 and is used for intermittently shielding the four first waist openings 14; when the device works, the temperature has little influence on the flux of an MBR membrane, but the low temperature can influence the activity and viscosity of sludge, thereby indirectly influencing the flux of the membrane, so that the temperature is reduced in winter, the fluidity of the sludge is weakened, the sludge with weak fluidity is not easy to flow away near the membrane, the water yield of the membrane can be reduced, and the water production capacity is reduced, therefore, in order to delay the membrane fouling and blocking period in winter, the device can heat the nearby membrane and realize uniform heating, ensure that the sludge has the temperature for maintaining the activity, maintain the ideal activity and viscosity of the sludge, and further avoid reducing the water yield of the membrane, the technical scheme can solve the problems, the specific implementation mode is as follows, when the sewage needs to be treated, the electric heating plate 3 is operated, the blocking of the first water outlet 5 is cancelled through the blocking, and then the external sewage is conveyed to the inside the cavity 4 through the first conveying pipe 6, and flows to the inside of the treatment cylinder 1 through the first water outlet 5, after the sewage is conveyed, the reset plugging mechanism restores and plugs the first water outlet 5, thereby avoiding the phenomenon that the sewage is continuously conveyed to the inside of the treatment cylinder 1 due to misoperation, because the electric heating plate 3 is embedded on the inner wall of the treatment cylinder 1, the temperature of the sewage around the electric heating plate 3 is higher than that of the sewage at the middle part inside the treatment cylinder 1, so that the temperature of the sewage inside the treatment cylinder 1 is uneven, and the activity of the sludge in the sewage at the middle part of the treatment cylinder 1 is not beneficial to maintaining, therefore, the sewage at the middle part inside the treatment cylinder 1 and the sewage at the side edges are circularly exchanged through the circulating drainage mechanism, so that all the sewage has the opportunity of contacting with the electric heating plate 3, and the sewage inside the treatment cylinder 1 can be uniformly heated by the electric heating plate 3, the sewage treatment device is beneficial to maintaining the same temperature of sewage in the treatment cylinder 1, is beneficial to maintaining the activity of sludge in the sewage, and avoids the influence of low temperature on the activity and viscosity of the sludge in cold weather, the sewage is attached to the surface of an MBR membrane component 12, thereby indirectly influencing the flux of a membrane and influencing the water yield of the membrane, when the temperature of the sewage in the treatment cylinder 1 is uniform, a second conveying pipe 10 connected with a third conveying pipe 11 is driven to rotate by a second rotary driving mechanism, in the rotating process of the third conveying pipe 11, the blocking of the first waist opening 14 is realized in an intermittent mode by linking a blocking mechanism, in the process that the blocking mechanism cancels the blocking of the first waist opening 14, the sewage which is heated uniformly flows from the first waist opening 14 to the lower part of the support base 8, the sewage flowing to the lower part of the support base 8 can flow to the inner part of the third conveying pipe 11 connected with the MBR membrane component 12 under the water pumping work of the water pump 9, the sewage flows into the third conveying pipe 11 through the MBR membrane module 12, the MBR membrane module 12 blocks sludge in the sewage at one side of the sewage to realize purification treatment of the sewage, the treated water enters the third conveying pipe 11 through the water inlet hole 13 and is discharged to the outside of the treatment cylinder 1 through the second conveying pipe 10 by the water pump 9, so that the sewage is treated, the first waist opening 14 is intermittently shielded through the shielding mechanism, the heated sewage is intermittently conveyed to the lower part of the supporting seat 8, the sewage entering the lower part of the supporting seat 8 is ensured to maintain a certain temperature in the purification process, the MBR membrane module 12 is convenient to fully purify the sewage sludge, the water yield of the membrane is indirectly improved, excessive sewage is prevented from being discharged at one time, and the MBR membrane module 12 cannot treat the sewage inside, cause the reduction of sewage temperature to influence the activity of mud in the sewage, influence the water yield of membrane, to having accomplished the back to the inside sewage treatment of a treatment section of thick bamboo 1, mud in the sewage can stop in the inside of a treatment section of thick bamboo 1, opens the blowoff valve on 1 lateral wall of a treatment section of thick bamboo afterwards, will handle the inside mud discharge of a section of thick bamboo 1.
As an embodiment of the invention, the plugging mechanism comprises two electric cylinders 15, the two electric cylinders 15 are symmetrically and fixedly connected to the top of the cylinder cover 2, and the end parts of piston rods of the two electric cylinders 15 penetrate through the cylinder cover 2 and extend into the cavity 4 to be fixedly connected with a first annular plate 16; during operation, under the initial condition, carry out the shutoff with the help of first annular plate 16 to whole first apopore 5, when needs pour into pending sewage toward 1 inside of handling a section of thick bamboo, start two electric jars 15 with the help of the controller of peripheral hardware, the piston rod of two electric jars 15 can upwards stimulate first annular plate 16, thereby cancel first annular plate 16 the shutoff to whole first apopore 5, thereby the convenient sewage of carrying through first conveyer pipe 6 trickles down through first apopore 5 of 4 bottoms in cavity, after sewage transport is accomplished, drive first annular plate 16 with the help of electric jar 15 and move down the shutoff of realization to first apopore 5, thereby avoid appearing continuously the phenomenon of carrying sewage toward 1 inside of handling a section of thick bamboo because of the maloperation.
As an embodiment of the invention, the circulating drainage mechanism comprises a circular pipe 17 and a circular cylinder 24, the circular pipe 17 is fixedly connected to the bottom of the cylinder cover 2, four second water outlet holes 18 are formed in a circumferential array above the side wall of the circular pipe 17, a drainage cover 19 is fixedly connected to the upper side of the side wall of the circular pipe 17, the drainage cover 19 is located below the four second water outlet holes 18, a second annular plate 20 is fixedly connected to the bottom of the drainage cover 19, four first connecting plates 21 are fixedly connected to the bottom of the second annular plate 20 in a circumferential array, the lower ends of the four first connecting plates 21 are fixedly connected to the top of the support base 8, a placement groove 22 is formed in the bottom of the second annular plate 20, an annular blocking plate 23 is vertically and slidably connected to the inner wall of the placement groove 22, a pulling mechanism is arranged between the top of the annular blocking plate 23 and the first annular plate 16, the pulling mechanism is linked to drive the annular blocking plate 23 to move upwards in the process that the first annular blocking plate 16 cancels the first water outlet holes, the cylindrical cylinder 24 is rotatably connected to the top of the support base 8, a first rotating driving mechanism is arranged to rotate the cylindrical cylinder 24, and a spiral blade is connected to a spiral blade 25; when the device works, when sewage is conveyed into the treatment cylinder 1, in the process that the plugging mechanism cancels plugging of the first water outlet 5, the linkage pulling mechanism drives the annular blocking plate 23 to move upwards, so that the sewage entering the treatment cylinder 1 can conveniently flow from the lower part of the second annular plate 20 to the middle part of the treatment cylinder 1, when the plugging mechanism resets to plug the first water outlet 5, the annular blocking plate 23 is driven to move downwards to reset to block the lower part of the second annular plate 20, the electric heating plate 3 can conveniently heat the sewage close to the surface of the electric heating plate, then the first rotary driving mechanism drives the cylinder 24 to rotate, the rotating cylinder 24 guides the sewage in the middle part of the treatment cylinder 1 upwards to the upper part of the circular pipe 17 along the surface of the helical blade 25 by the helical blade 25 on the surface of the rotating cylinder 24, then the sewage is discharged from the second water outlet hole 18, the discharged sewage flows to the periphery of the electric heating plate 3 along the surface of the drainage cover 19, so that the temperature rise treatment of the flowing sewage is facilitated, in the rotating process of the cylinder 24, the blocking of the lower part of the second annular plate 20 is cancelled by pushing the annular blocking plate 23 to move upwards through the pulling mechanism in an intermittent mode, the sewage heated by the electric heating plate 3 flows towards the middle part of the treatment cylinder 1, the circular flow of the sewage on the two sides of the inner ring and the outer ring of the second annular plate 20 is achieved, the uniform heating of the sewage inside the treatment cylinder 1 by the electric heating plate 3 is facilitated, the activity of the sludge is maintained, the sludge in the sewage is prevented from being attached to the surface of the MBR membrane component 12, and the flux condition of the MBR membrane component 12 is influenced.
As an embodiment of the invention, the pulling mechanism comprises two first connecting columns 26, two third connecting plates 30 and a relief opening 34, the two first connecting columns 26 are symmetrically and fixedly connected to the bottom of the first annular plate 16, the lower ends of the two first connecting columns 26 penetrate through the second annular plate 20 and extend into the placing groove 22 and then are respectively and fixedly connected with a limiting plate 27, the surfaces of the first connecting columns 26 are slidably connected with the second connecting plates 28, the bottoms of the second connecting plates 28 are in contact with the tops of the limiting plates 27, the bottoms of the second connecting columns 28 are symmetrically and fixedly connected with second connecting columns 29, the bottoms of the two second connecting columns 29 are respectively and fixedly connected with the tops of the annular blocking plates 23, the surfaces of the two first connecting columns 26 are respectively sleeved with first springs 31, two ends of a first spring 31 are respectively fixedly connected with the top of the inner part of the placing groove 22 and the top of the second connecting plate 28, two third connecting plates 30 are symmetrically and fixedly connected below the side wall of the column 24, one end part of one third connecting plate 30 is fixedly provided with an L-shaped connecting rod 3001, one end of the L-shaped connecting rod 3001, which is opposite to the third connecting plate 30, is fixedly provided with a pushing block 32, the surface of the pushing block 32 is provided with an inclined surface 33, a position-giving opening 34 is formed in the inner ring side wall of the second annular plate 20, the inner wall of the position-giving opening 34 is vertically and slidably connected with a mounting plate 35, the end part of the mounting plate 35 extends into the placing groove 22 and then is fixedly connected with the annular blocking plate 23, the bottom of the mounting plate 35 is fixedly provided with a pulley 36, the pulley 36 is positioned on the track of the circular motion of the pushing block 32, and the rolling surface of the pulley 36 is matched with the inclined surface 33; in operation, when first annular plate 16 moves upward to cancel the plugging of first apopore 5, first annular plate 16 moving upward can drive first connecting post 26 connected with limiting plate 27 to move upward, limiting plate 27 moving upward can drive second connecting plate 28 located at its top to compress first spring 31 to move upward, thereby drive second connecting post 29 to move upward, second connecting post 29 moving upward can stimulate annular barrier plate 23 to move upward, and then cancel the sheltering from below second annular plate 20, make things convenient for the sewage near around electric heating plate 3 to flow toward the middle part of treatment section of thick bamboo 1, first spring 31 of setting, when first annular plate 16 drives limiting plate 27 to move downward and reset, first spring 31 of compressed is under self elasticity, push down and connect second connecting plate 28 to reset downward, thereby drive annular barrier plate 23 to move downward and reset, shelter from below second annular plate 20 again, in the process of drawing water upward with the help of helical blade 25 in cylinder 24 rotates, rotating cylinder 24 drives third connecting plate 30 to rotate, thereby drive pushing block 32 to rotate, it is favorable to the effect that the push block 32 of the pulley to push the sewage on the spiral blade 32, thereby it can be favorable to the interior of the mixed sewage of the mixed heating plate 3 to push up and to the mixed power of helical blade 23, thereby it can be favorable to push the mixed sewage 3 to the interior of the mixed push up of the mixed push plate 23 to the mixed pulley of the mixed pulley 23.
As an embodiment of the present invention, the first rotary driving mechanism includes a first gear 37 and a first mounting bracket 38, the first gear 37 is fixedly connected above the surface of the cylinder 24, the first mounting bracket 38 is fixedly connected on the top of the cover 2, the top of the first mounting bracket 38 is fixedly connected with a first motor 39, the end of the output shaft of the first motor 39 penetrates through the first mounting bracket 38 and extends to the lower part thereof, and then is fixedly connected with a second gear 40, and the second gear 40 is meshed with the first gear 37; during operation, start first motor 39 with the help of the controller of peripheral hardware, the output shaft of first motor 39 can drive second gear 40 and rotate, because second gear 40 meshes with the first gear 37 of connection on cylinder 24 surface mutually, consequently when second gear 40 rotates, can drive first gear 37 simultaneously and rotate, and then drive cylinder 24 and rotate.
As an embodiment of the present invention, the top of each of the two third connecting plates 30 is provided with an agitating mechanism, and in the process of rotating the third connecting plates 30, the agitating mechanisms are linked to agitate and mix the sewage inside the treatment cylinder 1, each agitating mechanism includes an agitating rod 41, the agitating rod 41 is fixedly connected to the top of the third connecting plate 30, the surface of the agitating rod 41 is fixedly connected with a plurality of first agitating blades 42, the side walls of all the first agitating blades 42 are fixedly connected with a plurality of second springs 43, and the end portions of the second springs 43 fixed to the same first agitating blade 42 are fixedly connected with a second agitating blade 44; in operation, in the process that the third connecting plate 30 rotates along with the cylinder 24, the stirring rod 41 connected to the top of the third connecting plate 30 rotates along with the third connecting plate 30, and the first stirring blade 42 on the surface of the third connecting plate is used for stirring the sewage in the middle of the inside of the treatment cylinder 1, the second spring 43 is connected with the second stirring blade 44, in the process that the stirring rod 41 rotates, the elasticity of the second spring 43 is used for expanding the swing range of the second stirring blade 44, so that the stirring effect is improved, the sewage in the edge and the middle of the inside of the treatment cylinder 1 can be fully mixed, the sewage in the inside of the treatment cylinder 1 can be uniformly heated, the activity of the sludge can be maintained, and the phenomenon that the sludge in the sewage is attached to the surface of the MBR membrane module 12 can be avoided, so that the flux of the MBR membrane module 12 can be influenced.
As an embodiment of the present invention, the second rotary driving mechanism includes a third gear 45 and a second mounting bracket 46, the third gear 45 is fixedly connected to the surface of the second conveying pipe 10, the second mounting bracket 46 is fixedly connected to the bottom of the treatment cylinder 1, the bottom of the second mounting bracket 46 is fixedly connected to a second motor 47, an end of an output shaft of the second motor 47 penetrates through the second mounting bracket 46 and extends upward to be connected to a fourth gear 48, and the fourth gear 48 is meshed with the third gear 45; in operation, after the sewage temperature of the treatment cylinder 1 is uniform, the second motor 47 is started by means of an external controller, an output shaft of the second motor 47 drives the fourth gear 48 to rotate, because the fourth gear 48 is meshed with the third gear 45 connected to the surface of the second conveying pipe 10, when the fourth gear 48 rotates, the third gear 45 is synchronously driven to rotate, and then the second conveying pipe 10 is driven to rotate, so that the second conveying pipe 10 drives the third conveying pipe 11 to rotate, so that the third conveying pipe 11 filters the sewage in the rotating process, thereby the mobility of the sewage is improved by the active rotation of the third conveying pipe 11, thereby being beneficial to avoiding the condition that the mobility of the sludge is weak and the flow is influenced, and by the rotation of the third conveying pipe 11, the uniform mixing of the sewage around the third conveying pipe 11 is facilitated, thereby being beneficial to making the temperature of the sewage uniform, so that the mobility of the sludge in the sewage is uniformly heated, and when part of the sludge is attached to the surface of the third conveying pipe 11, the sludge can be thrown out by the centrifugal force, thereby being beneficial to improving the flux of the MBR treatment effect of the sludge on the surface of the membrane module 12, thereby being beneficial to improving the sewage treatment effect of the MBR.
As an embodiment of the present invention, the MBR membrane module 12 includes a spiral reinforcing frame 1201, the spiral reinforcing frame 1201 is fixedly connected to a surface of the third transport pipe 11, and an upper membrane layer 1202 and a lower membrane layer 1203 are fixedly connected to a surface of the spiral reinforcing frame 1201; during operation, through the surface mounting spiral reinforcing frame 1201 at third conveyer pipe 11, rete 1202 and lower rete 1203 are conveniently installed, the shape of rete 1202 and lower rete 1203 is conveniently maintained simultaneously, the phenomenon of soft collapsing appears in rete 1202 and lower rete 1203 in the avoidance of going up, be favorable to going up rete 1202 and lower rete 1203 and sewage fully contact, conveniently carry out the separation to the mud in last rete 1202 and the lower rete 1203 sewage, the realization is to the purification treatment of sewage.
As an embodiment of the present invention, the shielding mechanism includes two third connecting columns 49 and two scraping plates 58, the two third connecting columns 49 are respectively and fixedly connected to the surfaces of the two ends of the third conveying pipe 11, the upper ends of the two third connecting columns 49 are jointly and fixedly connected with the annular shielding plate 50, the top of the annular shielding plate 50 is provided with four second waist openings 51 in a circumferential array, the top of the annular shielding plate 50 is fixedly connected with the bottom of the third annular plate 7, and the two scraping plates 58 are symmetrically and fixedly connected to the top of the third annular plate 7; in operation, the annular shielding plate 50 is synchronously driven to rotate along with the rotation of the third connecting column 49, in the process of rotating the annular shielding plate 50, the four second waist openings 51 and the four first waist openings 14 are communicated, in the process, the sewage after being heated and mixed above the supporting seat 8 conveniently flows to the lower part of the supporting seat 8 through the first waist openings 14 and the second waist openings 51, when the annular shielding plate 50 rotates to drive the second waist openings 51 to be staggered with the first waist openings 14, the sewage cannot flow to the lower part of the supporting seat 8, so that the sewage flows to the lower part of the supporting seat 8 at intervals, the sewage below the supporting seat 8 is communicated again after being treated for a period of time after entering the water, the sewage is conveyed, and the sewage below the supporting seat 8 is prevented from being filled all the time, therefore, the improvement of the fluidity of sewage below the supporting seat 8 in the rotation process of the second conveying pipe 10 is facilitated, the improvement of the treatment efficiency of the sewage is facilitated, the sludge in the sewage is conveniently treated by the MBR membrane module 12, the intermittent communication between the second waist opening 51 and the first waist opening 14 is realized through the rotation of the annular shielding plate 50, the intermittent conveying of the heated sewage below the supporting seat 8 is facilitated, the third annular plate 7 connected with the scraper 58 can be synchronously driven to rotate in the rotation process of the annular shielding plate 50, the rotating scraper 58 can scrape the sludge on the surface of the electric heating plate 3, and the problem that the sludge is attached to the surface of the electric heating plate 3 to influence the purpose that the electric heating plate 3 uniformly heats the sewage is avoided.
As an embodiment of the invention, an aeration mechanism is commonly arranged between the two third connecting columns 49 and used for blowing air to the surface of the MBR membrane module 12 for supplying oxygen, the aeration mechanism comprises a through hole 52 and an air blower 53, the through hole 52 penetrates through the top of the column 24, the air blower 53 is fixedly connected to the top of the barrel cover 2, the end part of an air outlet pipe of the air blower 53 is fixedly communicated with an L-shaped pipe 54, the end part of the L-shaped pipe 54 penetrates through the through hole 52 and fixedly penetrates through the supporting seat 8 to extend to the lower part of the supporting seat 8 and then is hermetically and rotatably communicated with a fixed pipe 55, the L-shaped pipe 54 is hermetically and rotatably connected with the through hole 52, the two ends of the fixed pipe 55 are respectively and fixedly connected with the surfaces of the two third connecting columns 49, the surface of the fixed pipe 55 is fixedly communicated with a plurality of air injection pipes 56, and the inner walls of the air injection pipes 56 are fixedly connected with one-way valves 57; during operation, the blower 53 is started by means of an external controller, the blower 53 conveys external air into the fixing pipe 55 by means of the L-shaped pipe 54, and as the air pressure in the fixing pipe 55 is increased, the one-way valve 57 is triggered to open, so that the air in the fixing pipe 55 is conveniently discharged to the upper part of the MBR membrane assembly 12 by means of the air injection pipe 56 after passing through the one-way valve, aeration and oxygen supply around the MBR membrane assembly 12 are realized, the activity of microorganisms in the MBR membrane assembly 12 is favorably maintained, the decontamination performance of the MBR membrane assembly 12 is favorably maintained, the fixing pipe 55 is fixedly connected to the surfaces of the two third connecting columns 49, the fixing pipe 55 is driven to rotate when the two third connecting columns 49 rotate, and the rotating fixing pipe 55 is favorable for stirring the heated sewage to drive the flow of the internal sewage and reduce impurity precipitation in the sewage, on the other hand, the aeration range is expanded, and the activity of the microorganisms in the MBR membrane assembly 12 is favorably maintained.
The working principle of the invention is as follows:
according to the description shown in fig. 1 to 13, when sewage needs to be treated, the electric heating plate 3 is operated to operate, the plugging of the first water outlet 5 is cancelled through plugging, then, external sewage is conveyed into the cavity 4 through the first conveying pipe 6 and flows into the treatment cylinder 1 through the first water outlet 5, after the sewage is conveyed, the reset plugging mechanism restores the plugging of the first water outlet 5, the phenomenon that the sewage is continuously conveyed into the treatment cylinder 1 due to misoperation is avoided, because the electric heating plate 3 is embedded on the inner wall of the treatment cylinder 1, the temperature of the sewage around the electric heating plate 3 is higher than that of the sewage in the middle part of the treatment cylinder 1, the temperature of the sewage in the treatment cylinder 1 is uneven, the activity of sludge in the middle part of the treatment cylinder 1 is not maintained, and therefore, the sewage in the middle part of the treatment cylinder 1 and the sewage on the side edges are circularly exchanged through the circular drainage mechanism, therefore, all the sewage has the opportunity of contacting with the electric heating plate 3, the electric heating plate 3 is convenient to uniformly heat the sewage in the treatment cylinder 1, the temperature of the sewage in the treatment cylinder 1 is favorably maintained to be the same, the activity of sludge in the sewage is favorably maintained, the influence of low temperature on the activity and viscosity of the sludge is avoided in cold weather, and the sewage is attached to the surface of the MBR membrane component 12, so that the flux of the membrane is indirectly influenced, the water yield of the membrane is influenced, after the sewage in the treatment cylinder 1 is uniformly heated, the second conveying pipe 10 connected with the third conveying pipe 11 is driven to rotate by the second rotary driving mechanism, in the rotating process of the third conveying pipe 11, the blocking mechanism is linked to intermittently realize the blocking of the first waist opening 14, in the process that the blocking mechanism cancels the blocking of the first waist opening 14, sewage which is convenient to heat uniformly flows from the first waist opening 14 to the lower part of the supporting seat 8, sewage which flows to the lower part of the supporting seat 8 flows towards the inside of the third conveying pipe 11 connected with the MBR membrane assembly 12 under the water pumping work of the water pump 9, the sewage flows towards the inside of the third conveying pipe 11 and passes through the MBR membrane assembly 12, the MBR membrane assembly 12 can block sludge in the sewage at one side of the MBR membrane assembly, the sewage is purified and treated, the treated water enters the third conveying pipe 11 through the water inlet hole 13 and is discharged to the outside of the treatment cylinder 1 through the water pump 9 through the second conveying pipe 10, the sewage is treated, the first waist opening 14 is blocked by blocking mechanisms intermittently, the sewage which is heated is conveyed towards the lower part of the supporting seat 8 is ensured to maintain a certain temperature in the purification process, the MBR membrane assembly 12 is convenient to fully purify and treat the sewage, the water yield of the membrane is indirectly improved, the excessive sewage at one time is avoided, the sewage which does not come and the sewage which affects the temperature of the sewage treatment cylinder after the sewage treatment of the sewage 1 inside of the supporting seat is opened, the sewage treatment cylinder 1, and the sewage treatment cylinder can reduce the sewage after the sewage treatment cylinder 1 is treated, and the sewage treatment.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. An efficient sewage treatment system based on an MBR membrane comprises a treatment cylinder (1), wherein a cylinder cover (2) is fixedly connected to the top of the treatment cylinder (1), and air outlet holes (201) are formed in the top of the cylinder cover (2), and is characterized in that an electric heating plate (3) is fixedly embedded in the inner wall of the treatment cylinder (1), a cavity (4) is formed in the cylinder cover (2), a plurality of first water outlet holes (5) are formed in the inner bottom surface of the cavity (4) in a circumferential array manner, a first conveying pipe (6) is fixedly communicated with the side wall of the cavity (4), the end part of the first conveying pipe (6) is fixedly communicated with an external sewage conveying mechanism, a plugging mechanism is arranged at the top of the cylinder cover (2) and used for plugging all the first water outlet holes (5), a third annular plate (7) is connected to the inner wall of the treatment cylinder (1) in a sealing and rotating manner, a supporting seat (8) is connected to the inner annular wall of the third annular plate (7) in a sealing manner, a circulating drainage mechanism is arranged in the treatment cylinder (1), and the circulating drainage mechanism is used for realizing interchange of the middle edge of the sewage treatment cylinder (1) and the middle edge of the treatment cylinder;
handle bottom fixedly connected with water pump (9) of a section of thick bamboo (1), the sealed rotation intercommunication of the inlet tube tip of water pump (9) has second conveyer pipe (10), second conveyer pipe (10) with be equipped with the drive jointly between the bottom of handling a section of thick bamboo (1) second conveyer pipe (10) pivoted second rotary driving mechanism, second conveyer pipe (10) run through the bottom of handling a section of thick bamboo (1) and extend to the inside after-fixing intercommunication of handling a section of thick bamboo (1) has third conveyer pipe (11), fixedly connected with membrane module (12) is encircleed in the outside of third conveyer pipe (11), encircle to open on the lateral wall of third conveyer pipe (11) be equipped with a plurality of with inlet opening (13) of MBR membrane module (12) looks adaptation, the bottom of supporting seat (8) is the circumference array and has seted up four first waist mouths (14), supporting seat (8) bottom with be equipped with between third conveyer pipe (11) and shelter from the mechanism, it is used for intermittent type to be right four first waist mouth (14) shelter from.
2. The MBR membrane-based high-efficiency sewage treatment system according to claim 1, wherein the blocking mechanism comprises two electric cylinders (15), the two electric cylinders (15) are symmetrically and fixedly connected to the top of the cylinder cover (2), and the end parts of the piston rods of the two electric cylinders (15) penetrate through the cylinder cover (2) and extend to the inside of the cavity (4) to be fixedly connected with a first annular plate (16).
3. The MBR membrane-based high-efficiency sewage treatment system according to claim 2, wherein the circulating drainage mechanism comprises a circular tube (17) and a cylinder (24), the circular tube (17) is fixedly connected to the bottom of the cylinder cover (2), four second water outlet holes (18) are formed in a circumferential array above the side wall of the circular tube (17), a drainage cover (19) is fixedly connected to the upper side of the side wall of the circular tube (17), the drainage cover (19) is positioned below the four second water outlet holes (18), a second annular plate (20) is fixedly connected to the bottom of the drainage cover (19), four first connecting plates (21) are fixedly connected to the bottom of the second annular plate (20) in a circumferential array, the lower ends of the four first connecting plates (21) are fixedly connected to the top of the supporting seat (8), a placing groove (22) is formed in the bottom of the second annular plate (20), an annular blocking plate (23) is vertically slidably connected to the inner wall of the placing groove (22), a pulling mechanism is arranged between the top of the annular blocking plate (23) and the first annular plate (16), and the pulling mechanism is arranged on the annular blocking plate (23) to drive the first annular blocking plate (16) to remove the blocking mechanism (24) in the process of pulling the cylindrical plate (5), the upper end of cylinder (24) is passed pipe (17) upwards run through cover (2) are equipped with a rotary driving mechanism after extending to its outside, a rotary driving mechanism is used for driving cylinder (24) rotate, the fixed surface of cylinder (24) is connected with helical blade (25).
4. The MBR membrane-based high-efficiency sewage treatment system according to claim 3, wherein the pulling mechanism comprises two first connecting columns (26), two third connecting plates (30) and a relief opening (34), the two first connecting columns (26) are symmetrically and fixedly connected to the bottom of the first annular plate (16), the lower ends of the two first connecting columns (26) penetrate through the second annular plate (20) and extend to the inside of the placement groove (22) and then are fixedly connected with a limiting plate (27), the surface of the first connecting column (26) is slidably connected with a second connecting plate (28), the bottom of the second connecting plate (28) is in contact with the top of the limiting plate (27), the bottom of the second connecting plate (28) is symmetrically and fixedly connected with a second connecting column (29), the bottoms of the two second connecting columns (29) are fixedly connected with the top of the annular blocking plate (23), the surfaces of the two first connecting columns (26) are respectively sleeved with a first spring (31), the two ends of the first spring (31) are respectively connected with the top of the second connecting plate (22) and the top of the second connecting plate (30) is fixedly connected with the top of the second annular blocking plate (23), and the two first connecting columns (26) are fixedly connected with the top of the cylindrical connecting plate (30) and the inner side wall of the cylindrical connecting plate (30), l shape connecting rod (3001) dorsad the one end of third connecting plate (30) is fixed with promotes piece (32), the surface that promotes piece (32) is equipped with inclined plane (33), let a mouthful (34) set up on the inner ring lateral wall of second annular plate (20), let vertical sliding connection have mounting panel (35) on the inner wall of a mouthful (34), the tip of mounting panel (35) extends to behind the inside of standing groove (22) with annular stop plate (23) fixed connection, the bottom fixed mounting of mounting panel (35) has pulley (36), pulley (36) are located promote on piece (32) is circular motion's the orbit just the rolling surface of pulley (36) with inclined plane (33) looks adaptation.
5. The MBR membrane-based high-efficiency sewage treatment system according to claim 3, wherein the first rotary driving mechanism comprises a first gear (37), a first mounting frame (38), the first gear (37) is fixedly connected above the surface of the cylinder (24), the first mounting frame (38) is fixedly connected to the top of the cylinder cover (2), a first motor (39) is fixedly connected to the top of the first mounting frame (38), the end part of the output shaft of the first motor (39) penetrates through the first mounting frame (38) and extends to the lower part of the first mounting frame, and then a second gear (40) is fixedly connected to the second mounting frame (40), and the second gear (40) is meshed with the first gear (37).
6. The MBR membrane-based high-efficiency sewage treatment system according to claim 4, wherein a stirring mechanism is arranged at the top of each of the two third connecting plates (30), and when the third connecting plates (30) rotate, the stirring mechanism is linked to stir and mix the sewage in the treatment cylinder (1), the stirring mechanism comprises a stirring rod (41), the stirring rod (41) is fixedly connected to the top of the third connecting plate (30), a plurality of first stirring blades (42) are fixedly connected to the surface of the stirring rod (41), a plurality of second springs (43) are fixedly connected to the side walls of all the first stirring blades (42), and the ends of the second springs (43) fixed to the same first stirring blade (42) are fixedly connected to a second stirring blade (44).
7. The MBR membrane-based high-efficiency sewage treatment system according to claim 1, wherein the second rotary driving mechanism comprises a third gear (45), a second mounting frame (46), the third gear (45) is fixedly connected to the surface of the second conveying pipe (10), the second mounting frame (46) is fixedly connected to the bottom of the treatment cylinder (1), a second motor (47) is fixedly connected to the bottom of the second mounting frame (46), the end part of the output shaft of the second motor (47) penetrates through the second mounting frame (46) and extends upwards to form a fourth gear (48), and the fourth gear (48) is meshed with the third gear (45).
8. The MBR membrane-based high-efficiency sewage treatment system according to claim 1, wherein the MBR membrane module (12) comprises a spiral reinforcement frame (1201), the spiral reinforcement frame (1201) is fixedly connected to the surface of the third conveying pipe (11), and the surface of the spiral reinforcement frame (1201) is fixedly connected with an upper membrane layer (1202) and a lower membrane layer (1203).
9. The MBR membrane-based high-efficiency sewage treatment system according to claim 3, wherein the shielding mechanism comprises two third connecting columns (49) and two scrapers (58), the two third connecting columns (49) are respectively and fixedly connected to the surfaces of the two ends of the third conveying pipe (11), an annular shielding plate (50) is fixedly connected to the upper ends of the two third connecting columns (49) together, the top of the annular shielding plate (50) is provided with four second waist openings (51) in a circumferential array, the top of the annular shielding plate (50) is fixedly connected to the bottom of the third annular plate (7), and the two scrapers (58) are symmetrically and fixedly connected to the top of the third annular plate (7).
10. The MBR membrane-based high-efficiency sewage treatment system according to claim 9, wherein an aeration mechanism is commonly arranged between the two third connecting columns (49) and used for blowing air to the surface of the MBR membrane module (12) for supplying oxygen, the aeration mechanism comprises a through hole (52) and an air blower (53), the through hole (52) penetrates through the top of the cylinder (24), the air blower (53) is fixedly connected to the top of the cylinder cover (2), the end part of the air outlet pipe of the air blower (53) is fixedly communicated with an L-shaped pipe (54), the end part of the L-shaped pipe (54) penetrates through the through hole (52) and fixedly penetrates through the supporting seat (8) and extends to the lower part of the supporting seat (8) and then is hermetically and rotatably communicated with a fixing pipe (55), the L-shaped pipe (54) is rotatably connected with the through hole (52) in a sealing manner, two ends of the fixing pipe (55) are respectively fixedly connected with the surfaces of the two third connecting columns (49), a plurality of fixing pipes (56) are fixedly communicated with the surfaces of the fixing pipes (55), and the air jet check valves (57) are fixedly connected with the inner walls of the air jet pipes (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210998025.XA CN115231691B (en) | 2022-08-19 | 2022-08-19 | High-efficient sewage treatment system based on MBR membrane |
Applications Claiming Priority (1)
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