CN115231691B - 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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- CN115231691B CN115231691B CN202210998025.XA CN202210998025A CN115231691B CN 115231691 B CN115231691 B CN 115231691B CN 202210998025 A CN202210998025 A CN 202210998025A CN 115231691 B CN115231691 B CN 115231691B
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- 239000010865 sewage Substances 0.000 title claims abstract description 181
- 239000012528 membrane Substances 0.000 title claims abstract description 89
- 230000007246 mechanism Effects 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000005485 electric heating Methods 0.000 claims abstract description 28
- 238000003756 stirring Methods 0.000 claims description 47
- 230000008093 supporting effect Effects 0.000 claims description 35
- 230000000903 blocking effect Effects 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 21
- 238000005273 aeration Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000010802 sludge Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 23
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 16
- 235000017491 Bambusa tulda Nutrition 0.000 description 16
- 241001330002 Bambuseae Species 0.000 description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 16
- 239000011425 bamboo Substances 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 14
- 230000001976 improved effect Effects 0.000 description 13
- 230000004907 flux Effects 0.000 description 10
- 230000002349 favourable effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000000746 purification Methods 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000010801 sewage sludge Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000006243 chemical 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
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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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
Landscapes
- 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 biological reactor) -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 an air outlet hole, 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 bottom surface of the inside 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, 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, the sewage in the middle of the inside of the treatment cylinder and the sewage on the side edge can be exchanged in a circulating way through the circulating drainage mechanism, so that the electric heating plate can uniformly heat the sewage inside the treatment cylinder, the temperature of the sewage inside the treatment cylinder is kept the same, and the activity of sludge in the sewage is kept.
Description
Technical Field
The invention relates to the field of sewage treatment, in particular to an MBR membrane-based efficient sewage treatment system.
Background
In the field of sewage treatment and water resource recycling, MBR is also called membrane biological reaction, and is a novel water treatment technology which combines a membrane separation unit and a biological treatment unit.
The prior art discloses a part of the patent documents related to sewage treatment, the application number is 201710074824.7, and a patent of an MBR membrane-based efficient sewage treatment system is disclosed, which comprises an adjusting tank, a facultative tank, an MBR membrane component, a water outlet pump, an MBR membrane cleaning pump, a wind impeller, a wind driving rod, an aeration wheel, a blower, a slag filtering tank, a grid 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 absorbing layer, a fixing seat, a sewage pump, a sludge tank, 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 component is arranged in the MBR tank.
The flux of the MBR membrane is not greatly influenced by temperature, but the activity and viscosity of the sludge are influenced by low temperature, so that the flux of the membrane is indirectly influenced, 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 is reduced, and the water production capacity is further reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an MBR membrane-based efficient sewage treatment system.
In order to achieve the above purpose, the invention adopts the following technical scheme: the high-efficiency sewage treatment system based on the MBR membrane comprises a treatment cylinder, wherein a cylinder cover is fixedly connected to the top of the treatment cylinder, an air outlet hole is formed in the top of the cylinder cover, an electric heating plate is fixedly embedded in 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, a first conveying pipe is fixedly communicated with the side wall of the cavity, the end part of the first conveying pipe is fixedly communicated with an external sewage conveying mechanism, a plugging mechanism is arranged at the top of the cylinder cover and used for plugging all the first water outlet holes, a third annular plate is connected to the inner wall of the treatment cylinder in a sealing and rotating mode, a supporting seat is connected to the inner annular wall of the third annular plate in a sealing and rotating mode, and a circulating drainage mechanism is arranged in the treatment cylinder and used for exchanging the inner edge of the treatment cylinder and middle sewage;
The bottom fixedly connected with water pump of a processing section of thick bamboo, the inlet tube tip of water pump seals rotates the intercommunication and 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 pivoted second rotary driving mechanism of second conveyer pipe, the second conveyer pipe runs through the bottom of a processing section of thick bamboo and extends to the inside back fixed intercommunication of a processing section of thick bamboo has the third conveyer pipe, the outside of third conveyer pipe encircles fixedly connected with MBR membrane module, encircle on the lateral wall of third conveyer pipe offered a plurality of with the inlet port of MBR membrane module looks adaptation, four first waist mouths have been seted up to the bottom of supporting seat for circumference array, the supporting seat bottom with be equipped with between the third conveyer pipe and shelter from the mechanism, shelter from the mechanism and be used for intermittent type formula to four first waist mouths shelter from.
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 piston rod ends of the two electric cylinders penetrate through the cylinder cover and extend to the inside of the cavity to be fixedly connected with the first annular plate together.
Preferably, the circulation drainage mechanism comprises a circular tube and a cylinder, the circular tube is fixedly connected to the bottom of the cylinder cover, four second water outlet holes are formed in the upper portion of the side wall of the circular tube in a circumferential array, a drainage cover is fixedly connected to the upper portion of the side wall of the circular tube, the drainage cover is located below the four second water outlet holes, a second annular plate is fixedly connected to the bottom of the drainage cover, four first connecting plates are fixedly connected to the bottom of the second annular plate in a circumferential array, the lower ends of the four first connecting plates are fixedly connected to the top of the supporting seat, a placing groove is formed in the bottom of the second annular plate, an annular blocking plate is vertically and slidably connected to the inner wall of the placing groove, a pulling mechanism is arranged between the top of the annular blocking plate and the first annular plate, the first annular plate is in a process of canceling the first water outlet holes, the pulling mechanism is linked to drive the annular plate to move upwards, the cylinder is rotationally connected to the top of the supporting seat, the upper end of the cylinder is fixedly connected to the top of the supporting seat in a circular tube, the cylinder penetrates through the top of the cylinder cover and penetrates through the first rotary driving mechanism to the cylinder to fixedly drive the cylinder to rotate, and then the cylinder to extend to the cylinder to the surface of the cylinder.
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 bottom of the first annular plate, the lower ends of the two first connecting columns penetrate through the second annular plate and extend into the placing groove to be fixedly connected with limiting plates respectively, the surfaces of the first connecting columns are slidably connected with second connecting plates, the bottoms of the second connecting plates are contacted with the tops of the limiting plates, the bottoms of the second connecting plates are symmetrically and fixedly connected with second connecting columns, the bottoms of the two second connecting columns are fixedly connected with the tops of the annular blocking plates, first springs are sleeved on the surfaces of the two first connecting columns respectively, the two ends of the first spring are respectively and fixedly connected with the inner top of the placing groove and the top of the second connecting plate, the two third connecting plates are symmetrically and fixedly connected below the side wall of the cylinder, the end part of one third connecting plate is fixedly provided with an L-shaped connecting rod, one end of the L-shaped connecting rod, which is opposite to the third connecting plate, is fixedly provided with a pushing block, the surface of the pushing block is provided with an inclined surface, the annular baffle plate is characterized in that the yielding port is formed in the inner ring side wall of the second annular plate, a mounting plate is vertically and slidably connected to the inner wall of the yielding port, the end portion of the mounting plate extends to the inside of the placing groove and then is fixedly connected with the annular baffle plate, a pulley is fixedly arranged at the bottom of the mounting plate, and is located on the track of the pushing block which performs circular motion, and the rolling surface of the pulley is matched with the inclined surface.
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 at the top of the cylinder cover, a first motor is fixedly connected at the top of the first mounting frame, an output shaft end of the first motor penetrates through the first mounting frame and extends to the lower side of the first mounting frame, a second gear is fixedly connected with the output shaft end of the first motor, and the second gear is meshed with the first gear.
Preferably, the top of two the third connecting plates all is equipped with stirring mechanism the in-process of third connecting plate pivoted, linkage stirring mechanism is right the inside sewage of a treatment section of thick bamboo stirs and mixes, stirring mechanism includes the puddler, puddler fixed connection is in the top of third connecting plate, the on-surface fixedly connected with a plurality of first stirring vane of puddler, all equal fixedly connected with a plurality of second springs on the lateral wall of first stirring vane, same fixed on the first stirring vane the tip of second spring is fixedly connected with second stirring vane jointly.
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 cylinder, a second motor is fixedly connected to the bottom of the second mounting frame, the end part of an output shaft of the second motor penetrates through the second mounting frame and extends upwards to form a fourth gear, and the fourth gear is meshed with the third gear.
Preferably, the MBR membrane module comprises a spiral reinforcing frame, the spiral reinforcing frame is fixedly connected to the surface of the third conveying pipe, and an upper membrane layer and a lower membrane layer are fixedly connected to the surface of the spiral reinforcing frame.
Preferably, the shielding mechanism comprises two third connecting columns and two scraping plates, wherein the two third connecting columns are respectively and fixedly connected to the surfaces of two ends of the third conveying pipe, the two upper ends of the third connecting columns are fixedly connected with annular shielding plates together, the top of each annular shielding plate is provided with four second waist openings in a circumferential array, the top of each annular shielding plate is fixedly connected with the bottom of each third annular plate, and the two scraping plates are symmetrically and fixedly connected to the top of each third annular plate.
Preferably, an aeration mechanism is jointly arranged between the two third connecting columns, the aeration mechanism is used for blowing oxygen to the surface of the MBR membrane module, the aeration mechanism comprises a through hole and a blower, the through hole is penetrated and arranged at the top of the cylinder, the blower is fixedly connected at the top of the cylinder cover, the end part of an air outlet pipe of the blower is fixedly communicated with an L-shaped pipe, the end part of the L-shaped pipe penetrates through the through hole and fixedly penetrates through the supporting seat to extend to the lower part of the supporting seat, then the L-shaped pipe is in sealing rotation communication with a fixed pipe, the L-shaped pipe is in sealing rotation connection with the through hole, the two ends of the fixed pipe are respectively fixedly connected with the surfaces of the two third connecting columns, a plurality of air ejector pipes are fixedly communicated on the surface of the fixed pipe, and a one-way valve is fixedly connected on the inner wall of the air ejector pipe.
Compared with the prior art, the invention has the following beneficial effects:
1. then carry outside sewage to the cavity inside through first conveyer pipe to flow to the inside of handling the section of thick bamboo through first apopore, owing to the electrical heating board inlays and establishes on the inner wall of handling the section of thick bamboo, therefore the sewage temperature that is in the electrical heating board around can be higher than the sewage temperature of handling the inside middle part of section of thick bamboo, make the inside sewage temperature of handling the section of thick bamboo inhomogeneous, thereby be unfavorable for maintaining the activity of mud in the sewage of handling the section of thick bamboo middle part, consequently realize circulating exchange with the sewage of the middle part of handling the section of thick bamboo inside and side through circulation drainage mechanism, thereby make all sewage all have the chance that contacts with the electrical heating board, make things convenient for the electrical heating board to the even heating of handling the inside sewage of section of thick bamboo, be favorable to maintaining the inside sewage temperature of handling the section of thick bamboo the same, be favorable to maintaining the activity of mud in the cold weather, avoid low temperature to the activity and the viscosity of mud to cause the influence, be stained on the surface of MBR membrane module, thereby indirectly influence the flux of membrane, influence the water yield of membrane.
2. At the in-process of cylinder pivoted at the third connecting plate, the puddler of connection at third connecting plate top can rotate together along with the third connecting plate, and realize stirring the sewage in the middle of the processing section of thick bamboo is inside with the help of the first stirring vane on its surface, connect the second stirring vane through the second spring, at puddler pivoted in-process, with the help of the elasticity of second spring, enlarge the swing scope of second stirring vane, improve stirring effect, be favorable to carrying out intensive mixing with the sewage of processing section of thick bamboo inside border and middle part, be favorable to realizing the homoenergetic and the heating to the inside sewage of processing section of thick bamboo, maintain the activity of mud, avoid the mud in the sewage to be stained with on the surface of MBR membrane module, thereby influence the flux of MBR membrane module.
3. When the sewage temperature of the treatment cylinder is uniform, the second motor is started by virtue of the external controller, the output shaft of the second motor can drive the fourth gear to rotate, and as the fourth gear is meshed with the third gear connected to the surface of the second conveying pipe, the third gear can be synchronously driven to rotate when the fourth gear rotates, and then 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 sewage in the rotating process, the mobility of the sewage is improved by virtue of the active rotation of the third conveying pipe, the situation that the flux is influenced by weak mobility of the sludge is avoided, and the uniform mixing of the sewage around the third conveying pipe is promoted by virtue of the rotation of the third conveying pipe, so that the temperature of the sewage is uniform, the sludge in the sewage is uniformly heated and the mobility is improved, and when part of the sludge is adhered to the surface of the third conveying pipe, the sewage can be driven to rotate through the third conveying pipe, the sludge is thrown out by virtue of the rotation of the third conveying pipe, the membrane is prevented from being adhered to the surface of the third conveying pipe, and the MBR membrane is improved, and the MBR membrane is beneficial to the MBR membrane is improved.
Drawings
FIG. 1 is a schematic diagram 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 of FIG. 2A according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present invention;
FIG. 5 is an enlarged schematic 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 diagram of the connection between the second spring and the second stirring vane (the cylinder cover, the drainage cover and the second annular plate are cross-sectional views);
FIG. 8 is an enlarged schematic view of the structure of FIG. 7D according to the present invention;
FIG. 9 is a schematic view of the connection between the first connecting post and the limiting plate (partially cut-out);
FIG. 10 is a schematic view of the connection between a third connector post and an annular shield plate according to the present invention;
FIG. 11 is a schematic view of the connection of the cylindrical and helical blades of the present invention;
FIG. 12 is a schematic diagram of the connection between the gas lance and the check valve (the MBR membrane module is a cross-sectional view);
fig. 13 is an enlarged view of the structure of fig. 12 at E according to the present invention.
In the figure: 1. a treatment cylinder; 2. a cylinder cover; 201. an air outlet hole; 3. an electric heating plate; 4. a cavity; 5. a first water outlet hole; 6. a first delivery tube; 7. a third annular plate; 8. a support base; 9. a water pump; 10. a second delivery tube; 11. a third delivery tube; 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 round tube; 18. a second water outlet hole; 19. a drainage cover; 20. a second annular plate; 21. a first connection plate; 22. a placement groove; 23. an annular blocking plate; 24. a cylinder; 25. a helical blade; 26. a first connection post; 27. a limiting plate; 28. a second connecting plate; 29. a second connection post; 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 yielding port; 35. a mounting plate; 36. a pulley; 37. a first gear; 38. a first mounting frame; 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 frame; 47. a second motor; 48. a fourth gear; 49. a third connecting column; 50. an annular shielding plate; 51. a second waist opening; 52. a through hole; 53. a blower; 54. an L-shaped tube; 55. a fixed tube; 56. a gas lance; 57. a one-way valve; 58. a scraper.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The MBR membrane-based high-efficiency sewage treatment system shown in the figures 1 to 13 comprises a treatment cylinder 1, wherein the top of the treatment cylinder 1 is fixedly connected with a cylinder cover 2, the top of the cylinder cover 2 is provided with an air outlet hole 201, and the MBR membrane-based high-efficiency sewage treatment system is characterized in that an electric heating plate 3 is fixedly embedded on the inner wall of the treatment cylinder 1, a cavity 4 is arranged in the cylinder cover 2, the inner bottom surface of the cavity 4 is provided with a plurality of first water outlet holes 5 in a circumferential array, the side wall of the cavity 4 is fixedly communicated with a first conveying pipe 6, the end part of the first conveying pipe 6 is fixedly communicated with an external sewage conveying mechanism, the top of the cylinder cover 2 is provided with a plugging mechanism, the plugging mechanism is used for plugging all the first water outlet holes 5, the inner wall of the treatment cylinder 1 is in a sealing and rotating manner and is connected with a third annular plate 7, the inner annular wall of the third annular plate 7 is in a sealing and rotating manner and is connected with a supporting seat 8, the inside of the treatment cylinder 1 is provided with a circulating drainage mechanism, and the circulating drainage mechanism is used for exchanging sewage at the inner edge and 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 communicated with a second conveying pipe 10 in a sealing and rotating manner, a second rotary driving mechanism for driving the second conveying pipe 10 to rotate is 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 to the inside of the treatment cylinder 1, 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, the outer side wall of the third conveying pipe 11 is provided with a plurality of water inlet holes 13 matched with the MBR membrane assembly 12 in a surrounding manner, the bottom of the support 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 support seat 8 and the third conveying pipe 11 and used for shielding the four first waist openings 14 in an intermittent manner; the application can solve the problems by heating the nearby membrane and realizing uniform heating, ensuring that the sludge has the temperature for maintaining activity, maintaining ideal activity and viscosity of the sludge and further reducing the water yield of the membrane without regulating the water yield of the membrane, and the application can solve the problems by operating the electric heating plate 3 when the sewage treatment is needed, canceling the blocking of the first water outlet 5 by blocking and then conveying external sewage into the cavity 4 through the first conveying pipe 6, after the sewage is conveyed, the reset plugging mechanism recovers the first water outlet hole 5 to plug, the phenomenon that sewage is continuously conveyed into the treatment cylinder 1 due to misoperation is avoided, the temperature of the sewage around the electric heating plate 3 is higher than that of the sewage at the middle part of the inside of the treatment cylinder 1 because the electric heating plate 3 is embedded on the inner wall of the treatment cylinder 1, the temperature of the sewage inside the treatment cylinder 1 is uneven, the activity of the sludge in the sewage at the middle part of the treatment cylinder 1 is not beneficial to being maintained, the sewage in the middle part of the inside of the treatment cylinder 1 and the sewage at the side edge of the treatment cylinder 1 are circularly exchanged through the circulation drainage mechanism, so that the whole sewage has the opportunity of contacting with the electric heating plate 3, the electric heating plate 3 is convenient for uniformly heating the sewage inside the treatment cylinder 1, the temperature of the sewage inside the treatment cylinder 1 is beneficial to maintaining the same, the activity of sludge in the sewage is beneficial to maintaining, the influence of low temperature on the activity and viscosity of the sludge is avoided in cold weather, the sewage is adhered to the surface of the MBR membrane component 12, thereby indirectly influencing the flux of the membrane and influencing the water yield of the membrane, when the temperature of the sewage in the treatment cylinder 1 is uniform, the second conveying pipe 10 connected with the third conveying pipe 11 is driven by the second rotary driving mechanism to rotate, in the rotating process of the third conveying pipe 11, the linkage shielding mechanism intermittently shields the first waist opening 14, in the shielding mechanism canceling the shielding process 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 supporting seat 8 conveniently, the sewage flowing to the lower part of the supporting seat 8 flows to the inner part of the third conveying pipe 11 connected with the MBR membrane component 12 under the pumping work of the water pump 9, in the process that sewage flows into the third conveying pipe 11, the MBR membrane component 12 can block sludge in the sewage on one side of the sewage to realize the purification treatment of the sewage, the treated water enters the third conveying pipe 11 through the water inlet 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 by the shielding mechanism, the heated sewage is intermittently conveyed below 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 component 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, the MBR membrane component 12 is not used for treating the sewage inside, the temperature of the sewage is reduced, thereby affecting the activity of the sludge in the sewage and the water yield of the membrane, after the sewage inside the treatment cylinder 1 is treated, the sludge in the sewage can stay inside the treatment cylinder 1, and then a sewage discharge valve on the side wall of the treatment cylinder 1 is opened to discharge the sludge inside the treatment cylinder 1.
As an embodiment of the invention, the plugging mechanism comprises two electric cylinders 15, wherein the two electric cylinders 15 are symmetrically and fixedly connected to the top of the cylinder cover 2, and the piston rod ends of the two electric cylinders 15 penetrate through the cylinder cover 2 and extend into the cavity 4 and are fixedly connected with a first annular plate 16; during operation, under the initial condition, the first annular plate 16 is used for plugging all the first water outlet holes 5, when the sewage to be treated is required to be injected into the treatment cylinder 1, the two electric cylinders 15 are started by the aid of the external controller, the piston rods of the two electric cylinders 15 can pull the first annular plate 16 upwards, so that the first annular plate 16 is canceled from plugging all the first water outlet holes 5, the sewage conveyed by the first conveying pipe 6 conveniently flows downwards through the first water outlet holes 5 at the bottom of the cavity 4, and after the sewage conveying is finished, the electric cylinders 15 are used for driving the first annular plate 16 to move downwards to plug the first water outlet holes 5, so that the phenomenon of continuously conveying the sewage into the treatment cylinder 1 due to misoperation is avoided.
As an embodiment of the invention, the circulation 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 the upper side of the side wall of the circular tube 17 in a circumferential array, 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, the bottom of the drainage cover 19 is fixedly connected with a second annular plate 20, the bottom of the second annular plate 20 is fixedly connected with four first connecting plates 21 in a circumferential array, the lower ends of the four first connecting plates 21 are fixedly connected with the top of the supporting seat 8, the bottom of the second annular plate 20 is provided with a placing groove 22, an annular blocking plate 23 is vertically and 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, the annular blocking plate 23 is driven to move upwards in the process of the first annular blocking plate 16, the cylinder 24 is rotationally connected to the top of the supporting seat 8, the upper end of the cylinder 24 passes through the cylinder cover 17 and penetrates through the upper cylinder cover 2 to extend upwards to a first spiral driving mechanism 25 for driving the first surface to be fixedly connected with the cylinder 24; when the sewage is conveyed into the treatment cylinder 1 during operation, in the process that the plugging mechanism cancels the plugging of the first water outlet hole 5, the linkage pulling mechanism drives the annular blocking plate 23 to move upwards, so that sewage entering the treatment cylinder 1 conveniently flows 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 hole 5, the annular blocking plate 23 is driven to move downwards to reset so as to block the lower part of the second annular plate 20, the electric heating plate 3 is convenient to heat the sewage close to the surface of the electric heating plate, then the cylinder 24 is driven by the first rotary driving mechanism to rotate, the rotating cylinder 24 upwards guides the sewage in the middle part of the treatment cylinder 1 to the upper part of the circular pipe 17 along the surface of the spiral blade 25 by the spiral blade 25 on the surface of the cylinder 24, then discharged from the second water outlet hole 18, the discharged sewage flows along the surface of the drainage cover 19 to the periphery of the electric heating plate 3, so that the temperature rising treatment of the flowing sewage is facilitated, in the rotating process of the cylinder 24, the annular blocking plate 23 is pushed to move upwards by a pulling mechanism to cancel shielding below the second annular plate 20, the sewage heated by the electric heating plate 3 flows to the middle part of the treatment cylinder 1, the circulating flow of the sewage at the two sides of the inner ring and the outer ring of the second annular plate 20 is realized, the electric heating plate 3 uniformly heats the sewage in the treatment cylinder 1, the activity of the sludge is maintained, and the phenomenon that the sludge in the sewage is adhered to the surface of the MBR membrane component 12 to influence the flux of the MBR membrane component 12 is avoided.
As an embodiment of the invention, the pulling mechanism comprises two first connecting columns 26, two third connecting plates 30 and a yielding port 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 placing groove 22, and then are fixedly connected with limiting plates 27 respectively, the surface of one of the first connecting columns 26 is slidably connected with a second connecting plate 28, the bottom of the second connecting plate 28 is contacted 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 first springs 31, the two ends of the first springs 31 are respectively fixedly connected with the inside top of the placing groove 22 and the top of the second connecting plate 28, the two third connecting plates 30 are symmetrically and fixedly connected to the lower side walls of the cylinder 24, the end of one of the third connecting plates 30 is fixedly connected with an L-shaped connecting rod 3001, the bottom of the L-shaped connecting plate 30 is contacted with the top of the limiting plates 27, the bottom of the second connecting plate 28 is symmetrically connected with the annular blocking plate 34, the bottom of the annular blocking plate is matched with the annular pulley 35, and the end plate 35 is fixedly connected with the annular pulley 35, and the annular pulley 35 is fixedly connected with the inner plate 35, and the end plate 35 is fixedly connected with the annular pulley 35, and the end plate 34 is mounted on the end plate 34, and the end plate 34 is mounted on the side plate 35; when the device works, when the first annular plate 16 moves upwards to cancel blocking of the first water outlet 5, the first annular plate 16 which moves upwards can drive the first connecting column 26 connected with the limiting plate 27 to move upwards, the limiting plate 27 which moves upwards can drive the second connecting plate 28 positioned at the top of the first connecting plate to compress the first spring 31 to move upwards, thereby driving the second connecting column 29 to move upwards, the second connecting column 29 which moves upwards can pull the annular blocking plate 23 to move upwards, further cancellation of blocking of the lower part of the second annular plate 20 is achieved, sewage which conveniently moves towards the middle part of the treatment cylinder 1 near the electric heating plate 3 flows, the first spring 31 which is arranged, when the first annular plate 16 drives the limiting plate 27 to move downwards to reset, the compressed first spring 31 downwards pushes the second connecting plate 28 to move downwards under the action of self elastic force, thereby driving the annular blocking plate 23 to move downwards to reset, blocking the lower part of the second annular plate 20 again, the cylinder 24 rotates in the process of pumping upwards by means of the spiral blades 25, the rotating cylinder 24 drives the third connecting plate 30 to rotate, thereby driving the pushing block 32 to rotate, the pushing block 32 to move upwards along with the spiral blades 33, and the spiral blades 33 move upwards along with the spiral blades 33 to the spiral blocks to the sewage, thereby realizing that the flow towards the middle part of the annular blocking plate 3, and the sewage can move towards the electric heating plate 3 near the electric heating plate 3, and the inner part of the annular plate is beneficial to the sewage can be driven by the spiral pulley 35.
As an embodiment of the present invention, the first rotary driving mechanism comprises a first gear 37 and 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 at the top of the cylinder cover 2, the top of the first mounting frame 38 is fixedly connected with a first motor 39, the output shaft end of the first motor 39 penetrates through the first mounting frame 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; when the rotary type cylindrical roller is in operation, the first motor 39 is started by the aid of the external controller, the output shaft of the first motor 39 drives the second gear 40 to rotate, and the second gear 40 is meshed with the first gear 37 connected to the surface of the cylindrical roller 24, so that the first gear 37 is synchronously driven to rotate when the second gear 40 rotates, and the cylindrical roller 24 is driven to rotate.
As an embodiment of the invention, the top of the two third connecting plates 30 is provided with stirring mechanisms, in the process of rotating the third connecting plates 30, the linked stirring mechanisms stir and mix sewage in the treatment cylinder 1, the stirring mechanisms comprise stirring rods 41, the stirring rods 41 are fixedly connected to the top of the third connecting plates 30, a plurality of first stirring blades 42 are fixedly connected to the surfaces of the stirring rods 41, a plurality of second springs 43 are fixedly connected to the side walls of all the first stirring blades 42, and the end parts of the second springs 43 fixed to the same first stirring blades 42 are fixedly connected with second stirring blades 44; during 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 sewage in the middle of the interior of the treatment cylinder 1 is stirred by virtue of the first stirring blade 42 on the surface of the stirring rod, the second stirring blade 44 is connected by the second spring 43, in the process that the stirring rod 41 rotates, the swinging range of the second stirring blade 44 is enlarged by virtue of the elasticity of the second spring 43, the stirring effect is improved, the full mixing of the sewage at the inner edge and the middle of the treatment cylinder 1 is facilitated, the uniform heating and the heating of the sewage in the treatment cylinder 1 are facilitated, the activity of the sewage is maintained, and the sewage is prevented from being adhered to the surface of the MBR membrane assembly 12, so that the flux of the MBR membrane assembly 12 is affected.
As an embodiment of the present invention, the second rotary driving mechanism includes a third gear 45 and 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 canister 1, the bottom of the second mounting frame 46 is fixedly connected to a second motor 47, an output shaft end of the second motor 47 penetrates through the second mounting frame 46 and extends upwards to be fixedly connected to a fourth gear 48, and the fourth gear 48 is meshed with the third gear 45; when the sewage temperature of the treatment cylinder 1 is uniform, the second motor 47 is started by virtue of the external controller, the output shaft of the second motor 47 can drive the fourth gear 48 to rotate, and as 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, the third conveying pipe 11 filters sewage in the rotating process, the mobility of the sewage is improved by virtue of the active rotation of the third conveying pipe 11, the situation that the mobility of the sewage is weak to influence the flux is avoided, and the sewage around the third conveying pipe 11 is promoted to be uniformly mixed by virtue of the rotation of the third conveying pipe 11, so that the temperature of the sewage is uniform, the sludge in the sewage is uniformly heated and improved, and when part of the sludge is attached to the surface of the third conveying pipe 11, the sewage can be thrown out by virtue of the rotation of the third conveying pipe 11, the centrifugal force can be used for driving the third conveying pipe 11, the effect of the MBR (membrane bioreactor) is favorably improved, and the membrane assembly is favorably to the surface of the MBR (Membrane membrane 12) is favorably improved, and the effect of the membrane assembly is favorably improved.
As an embodiment of the present invention, the MBR membrane assembly 12 includes a spiral reinforcement rack 1201, the spiral reinforcement rack 1201 is fixedly connected to the surface of the third conveying pipe 11, and an upper membrane layer 1202 and a lower membrane layer 1203 are fixedly connected to the surface of the spiral reinforcement rack 1201; during operation, through the surface mounting spiral reinforcement frame 1201 at third conveyer pipe 11, conveniently install upper membranous layer 1202 and lower membranous layer 1203, conveniently maintain the shape of upper membranous layer 1202 and lower membranous layer 1203 simultaneously, avoid upper membranous layer 1202 and lower membranous layer 1203 to appear the phenomenon of soft collapse, be favorable to upper membranous layer 1202 and lower membranous layer 1203 fully contact with sewage, conveniently separate the mud in the sewage to upper membranous layer 1202 and lower membranous layer 1203, realize the purification treatment to sewage.
As an embodiment of the invention, the shielding mechanism comprises two third connecting columns 49 and two scraping plates 58, wherein the two third connecting columns 49 are respectively and fixedly connected to the two end surfaces of the third conveying pipe 11, the upper ends of the two third connecting columns 49 are fixedly connected with an annular shielding plate 50 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 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; during operation, along with the rotation of the third connecting column 49, the annular shielding plate 50 is synchronously driven to rotate, 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, sewage after being heated and mixed above the supporting seat 8 flows to the lower side 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 stagger with the first waist openings 14, the sewage cannot flow to the lower side of the supporting seat 8, so that the sewage flows to the lower side of the supporting seat 8 in an interval state, the sewage below the supporting seat 8 is communicated again after being treated for a period of time, and the sewage below the supporting seat 8 is conveyed, so that the sewage below the supporting seat 8 is kept to be in a full state all the time, the improvement of the fluidity of the sewage below the supporting seat 8 in the rotating process of the second conveying pipe 10 is facilitated, the sewage is conveniently improved, the sewage is conveniently processed by the MBR membrane assembly 12, the sewage is processed by the annular shielding plate and the sewage is prevented from being connected to the upper side of the annular shielding plate 8 through the annular shielding plate 14, the intermittent electric heating plate is prevented from being connected to the upper side of the annular shielding plate 8, and the intermittent electric heating plate is prevented from being connected to the upper side of the annular shielding plate 8 through the annular shielding plate 8, and the intermittent electric heating plate is prevented from being connected to the upper surface of the annular shielding plate 58 through the annular shielding plate 5 by the intermittent electric heater, and the intermittent electric heater plate is prevented from being connected to the upper than the upper side of the upper plate 58 by the upper part through the annular shielding plate, and the intermittent electric heater is realized.
As an embodiment of the invention, an aeration mechanism is commonly arranged between the two third connecting columns 49, the aeration mechanism is used for blowing oxygen to the surface of the MBR membrane module 12, the aeration mechanism comprises a through hole 52 and a blower 53, the through hole 52 is penetrated and arranged at the top of the cylinder 24, the blower 53 is fixedly connected at the top of the cylinder cover 2, the end part of an air outlet pipe of the 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 below 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, two ends of the fixed pipe 55 are fixedly connected with the surfaces of the two third connecting columns 49 respectively, a plurality of air ejector pipes 56 are fixedly communicated on the surface of the fixed pipe 55, and a one-way valve 57 is fixedly connected on the inner wall of the air ejector pipes 56; during operation, the air blower 53 is started by means of the external controller, the air blower 53 conveys external air to the fixed pipe 55 by means of the L-shaped pipe 54, the one-way valve 57 is triggered to be opened along with the air pressure enhancement in the fixed pipe 55, so that the air in the fixed pipe 55 is conveniently discharged to the upper part of the MBR membrane assembly 12 by means of the air jet 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 maintained, the fixed pipe 55 is fixedly connected to the surfaces of the two third connecting columns 49, the fixed pipe 55 is driven to rotate when the two third connecting columns 49 rotate, the rotating fixed pipe 55 is favorable for stirring heated sewage to drive the flow of the internal sewage, the impurity precipitation in the sewage is reduced, and the aeration range is enlarged to maintain the activity of the microorganisms in the MBR membrane assembly 12.
The working principle of the invention is as follows:
According to the description, when the electric heating plate 3 is operated to perform the sewage treatment, the blocking of the first water outlet hole 5 is canceled through the blocking, then the external sewage is conveyed to the inside of the cavity 4 through the first conveying pipe 6 and flows to the inside of the treatment cylinder 1 through the first water outlet hole 5, after the sewage is conveyed, the blocking mechanism is reset to restore the blocking of the first water outlet hole 5, the phenomenon of continuously conveying the sewage to the inside of the treatment cylinder 1 due to misoperation is avoided, the temperature of the sewage around the electric heating plate 3 is higher than the temperature of the sewage at the middle part inside the treatment cylinder 1 because the electric heating plate 3 is embedded on the inner wall of the treatment cylinder 1, so that the temperature of the sewage inside the treatment cylinder 1 is uneven, thereby being unfavorable for maintaining the activity of the sewage in the middle part of the treatment cylinder 1, and the sewage at the side edge inside the treatment cylinder 1 are recycled through the recycling drainage mechanism, so that all sewage has the opportunity of contacting with the electric heating plate 3, the electric heating plate 3 is convenient for uniformly heating the sewage in the treatment cylinder 1, the temperature of the sewage in the treatment cylinder 1 is favorable to be kept the same, the activity of the sludge in the sewage is favorable to be kept, the influence of low temperature on the activity and viscosity of the sludge is avoided in cold weather, the sewage is adhered on the surface of the MBR membrane component 12, the flux of the membrane is indirectly influenced, the water yield of the membrane is influenced, after the temperature of the sewage in the treatment cylinder 1 is uniform, the second conveying pipe 10 connected with the third conveying pipe 11 is driven to rotate by the second rotary driving mechanism, the linkage shielding mechanism intermittently realizes shielding on the first waist opening 14 in the rotating process of the third conveying pipe 11, and the shielding on the first waist opening 14 is canceled by the shielding mechanism in the process, the sewage after the convenient heating flows from the first waist opening 14 to the lower part of the supporting seat 8, sewage flowing to the lower part of the supporting seat 8 flows to the inside of the third conveying pipe 11 connected with the MBR membrane component 12 under the pumping work of the water pump 9, sewage can flow to the inside of the third conveying pipe 11 in the flowing process of the sewage through the MBR membrane component 12, the MBR membrane component 12 can block sludge in the sewage on one side of the sewage to realize the purification treatment of the sewage, the treated water enters the third conveying pipe 11 through the water inlet 13 and is discharged to the outside of the treatment cylinder 1 through the water pump 9 by the second conveying pipe 10, thereby realizing the treatment of the sewage, the intermittent sewage is conveyed to the lower part of the supporting seat 8 by the shielding mechanism, thereby realizing the intermittent sewage after the heating is ensured to enter the inside of the supporting seat 8, the sewage maintains a certain temperature in the purification process, the MBR membrane component 12 is convenient for fully purifying the sewage sludge, the sewage is indirectly improved, the sewage is prevented from being purified, the sewage is discharged into the inside of the sewage cylinder 1 through the water inlet hole 13, the sewage is discharged to the outside of the treatment cylinder 1 by the water pump 9, the sewage is prevented from being influenced by the sewage treatment valve inside the sewage treatment cylinder 1, and the sewage is discharged to the inside of the sewage cylinder 1, and the sewage is then discharged to the inside of the sewage treatment cylinder 1, and the sewage is influenced by the sewage treatment valve is discharged inside the sewage treatment 1.
The foregoing has shown and described the basic principles, principal 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 foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The high-efficiency sewage treatment system based on the MBR membrane comprises a treatment cylinder (1), wherein a cylinder cover (2) is fixedly connected to the top of the treatment cylinder (1), an air outlet hole (201) is formed in the top of the cylinder cover (2), and the high-efficiency sewage treatment system 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 inner part of 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, 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), the plugging mechanism is used for plugging all the first water outlet holes (5), a supporting seat (8) is connected to the inner wall of the treatment cylinder (1) in a sealing and rotating mode, and a supporting seat (1) is connected to the inner annular wall of the third annular plate (7) in a sealing mode, and the inner annular plate is provided with a circulating mechanism for realizing the inner circulation of the treatment cylinder (1) and the drainage and the middle of the sewage treatment system;
The water pump (9) is fixedly connected to the bottom of the treatment cylinder (1), a second conveying pipe (10) is communicated with the end part of a water inlet pipe of the water pump (9) in a sealing and rotating mode, 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 to the inside of the treatment cylinder (1) to be fixedly communicated with a third conveying pipe (11), an MBR membrane component (12) is fixedly connected to the outer side of the third conveying pipe (11) in a surrounding mode, a plurality of water inlet holes (13) matched with the MBR membrane component (12) are formed in the outer side wall of the third conveying pipe (11) in a surrounding mode, four first waist openings (14) are formed in the bottom of the support seat (8) in a circumferential array mode, and a shielding mechanism is arranged between the bottom of the support seat (8) and the third conveying pipe (11), and the shielding mechanism is used for shielding the four first waist openings (14) in a shielding mode;
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 piston rod ends 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) together;
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 the upper portion of the side wall of the circular tube (17) in a circumferential array, a drainage cover (19) is fixedly connected to the upper portion of the side wall of the circular tube (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), the bottom of the second annular plate (20) is fixedly connected with four first connecting plates (21) in a circumferential array, the lower ends of the four first connecting plates (21) are fixedly connected with 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 and slidingly connected to the inner wall of the placing groove (22), a pulling mechanism is arranged between the top of the annular plate (23) and the first annular blocking plate (16), the pulling mechanism (16) is pulled by the annular plate (23), the annular blocking plate (16) is pulled by the first annular plate (16), the annular blocking plate (8) is driven by the rotating mechanism (24), the annular blocking mechanism (8) in the rotating process, the annular blocking mechanism is driven by the top of the annular plate (8), the upper end of the cylinder (24) penetrates through the round tube (17) and upwards penetrates through the tube cover (2) to extend to the outside of the cylinder cover, a first rotary driving mechanism is arranged, the first rotary driving mechanism is used for driving the cylinder (24) to rotate, and a spiral blade (25) is fixedly connected to the surface of the cylinder (24).
2. The MBR membrane-based efficient sewage treatment system according to claim 1, wherein the pulling mechanism comprises two first connecting columns (26), two third connecting plates (30) and a yielding port (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 placing groove (22) and are fixedly connected with limiting plates (27) respectively, the surfaces of the first connecting columns (26) are slidably connected with second connecting plates (28), the bottom of each second connecting plate (28) is contacted with the top of each limiting plate (27), the bottoms of each second connecting plate (28) are symmetrically and fixedly connected with second connecting columns (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 first springs (31), the bottoms of one of the second connecting plates (28) are fixedly connected with the top of the two connecting plates (30) respectively, the bottoms of one of the first connecting plates (30) are fixedly connected with the top of the two connecting plates (30), the L-shaped connecting rod (3001) is back to one end of the third connecting plate (30) is fixed with a pushing block (32), the surface of the pushing block (32) is provided with an inclined surface (33), a yielding port (34) is formed in the inner annular side wall of the second annular plate (20), a mounting plate (35) is vertically and slidably connected to the inner wall of the yielding port (34), the end part of the mounting plate (35) extends to the inside of the placing groove (22) and then is fixedly connected with the annular blocking plate (23), a pulley (36) is fixedly arranged at the bottom of the mounting plate (35), the pulley (36) is located on a track of circular motion of the pushing block (32), and the rolling surface of the pulley (36) is matched with the inclined surface (33).
3. The MBR membrane-based efficient sewage treatment system according to claim 1, wherein the first rotary driving mechanism comprises a first gear (37) and 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), an output shaft end portion of the first motor (39) penetrates through the first mounting frame (38) and extends to the lower side of the first mounting frame, a second gear (40) is fixedly connected to the output shaft end portion of the first motor, and the second gear (40) is meshed with the first gear (37).
4. The efficient MBR membrane-based sewage treatment system according to claim 2, wherein the tops of the two third connecting plates (30) are both provided with stirring mechanisms, the stirring mechanisms are linked to stir and mix sewage inside the treatment cylinder (1) in the process of rotating the third connecting plates (30), the stirring mechanisms comprise stirring rods (41), the stirring rods (41) are fixedly connected to the tops of the third connecting plates (30), a plurality of first stirring blades (42) are fixedly connected to the surfaces of the stirring rods (41), a plurality of second springs (43) are fixedly connected to the side walls of all the first stirring blades (42), and the end parts of the second springs (43) fixed to the same first stirring blades (42) are fixedly connected with second stirring blades (44) together.
5. The efficient MBR membrane-based sewage treatment system according to claim 1, wherein the second rotary driving mechanism comprises a third gear (45) and 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), a fourth gear (48) is fixedly connected to the output shaft end portion of the second motor (47) penetrates through the second mounting frame (46) and extends upwards out, and the fourth gear (48) is meshed with the third gear (45).
6. The MBR membrane-based efficient sewage treatment system according to claim 1, wherein the MBR membrane assembly (12) comprises a spiral reinforcement rack (1201), the spiral reinforcement rack (1201) is fixedly connected to the surface of the third conveying pipe (11), and an upper membrane layer (1202) and a lower membrane layer (1203) are fixedly connected to the surface of the spiral reinforcement rack (1201).
7. The efficient MBR membrane-based sewage treatment system according to claim 1, wherein the shielding mechanism comprises two third connecting columns (49) and two scraping plates (58), the two third connecting columns (49) are respectively and fixedly connected to two end surfaces of the third conveying pipe (11), annular shielding plates (50) are fixedly connected to the upper ends of the two third connecting columns (49) together, four second waist openings (51) are formed in the top of the annular shielding plates (50) in a circumferential array, the top of the annular shielding plates (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).
8. The efficient MBR membrane-based sewage treatment system according to claim 7, wherein an aeration mechanism is jointly arranged between the two third connecting columns (49), the aeration mechanism is used for blowing oxygen to the surface of the MBR membrane component (12), the aeration mechanism comprises a through hole (52) and a blower (53), the through hole (52) penetrates through the top of the cylinder (24), the blower (53) is fixedly connected to the top of the cylinder cover (2), the air outlet pipe end part of the 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 below the supporting seat (8), a fixed pipe (55) is in sealing rotation connection between the L-shaped pipe (54) and the through hole (52), two ends of the fixed pipe (55) are respectively fixedly connected with the surfaces of the two third connecting columns (49), a plurality of air ejector pipes (56) are fixedly connected to the surfaces of the fixed pipe (55), and a plurality of air ejector pipes (56) are fixedly connected to the inner wall (57).
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