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CN-121974486-A - Automatic dredging and loss-preventing device for pipeline blockage of anaerobic ammonia oxidation reactor

CN121974486ACN 121974486 ACN121974486 ACN 121974486ACN-121974486-A

Abstract

The invention relates to the technical field of sewage treatment, and particularly discloses an automatic dredging and anti-loss device for pipeline blockage of an anaerobic ammonia oxidation reactor, which comprises a reactor body, wherein a liquid inlet pipe is arranged on the side surface of the lower end of the reactor body, a three-phase separator is arranged at the upper end of the reactor body, an overflow hole is formed in the three-phase separator, an overflow pipe is connected to the outer end of the overflow hole, a pipeline switching mechanism is arranged below the overflow pipe, a pipeline dredging mechanism is arranged at the upper end of the pipeline switching mechanism, and a granular sludge returning mechanism communicated with the reactor body is arranged right below the pipeline dredging mechanism.

Inventors

  • ZHANG WENJIE
  • Gao Ruoting
  • JIN YUE
  • LI HAIXIANG
  • CHEN ZHILI
  • WANG DUNQIU

Assignees

  • 桂林理工大学

Dates

Publication Date
20260505
Application Date
20240124

Claims (10)

  1. 1. The utility model provides an anaerobic ammonia oxidation reactor pipeline jam automatic dredging anti-loss device, includes reactor body (100), the lower extreme side of reactor body (100) is provided with feed liquor pipe (101), and the upper end is provided with three-phase separator (200), overflow hole (201) have been seted up on three-phase separator (200), the outer end of overflow hole (201) is connected with overflow pipe (202), its characterized in that is located the below of overflow pipe (202) is provided with pipeline switching mechanism (300), the upper end of pipeline switching mechanism (300) is provided with pipeline dredging mechanism (400), is located be provided with under pipeline dredging mechanism (400) granule mud loopback mechanism (500) that are linked together with reactor body (100); the pipeline switching mechanism (300) comprises an outer cylinder body (301) fixed beside a reactor body (100), turntables (302) are arranged at the upper end and the lower end of an inner cavity of the outer cylinder body (301), at least two vertical pipelines (303) are arranged between the turntables (302) in an annular array mode, a driving device (304) for driving the turntables (302) to rotate is arranged at the upper end of the outer cylinder body (301), an upper butt joint pipe (305) and a lower butt joint pipe (306) are respectively fixed at the upper end and the lower end of the outer cylinder body (301), the upper butt joint pipe (305) and the lower butt joint pipe (306) are simultaneously in sealing butt joint with the upper opening and the lower opening of one of the vertical pipelines (303), the upper butt joint pipe (305) is connected with the end of an overflow pipe (202), a liquid discharge pipe (307) is connected at the end of the lower butt joint pipe (306), and a filter plate (308) is arranged at the end of the butt joint of the lower butt joint pipe (306) with the vertical pipelines (303); Pipeline dredging mechanism (400) are including fixing outer column casing (401) at outer barrel (301) upper surface, are located outer column casing (301) lower surface under (401) is connected with album row fill (309), album row fill (309) align to set up from top to bottom with granule mud returning mechanism (500), the upper end of outer column casing (401) is connected with T shape pipe end (402), the one end of T shape pipe end (402) is connected with water feeding pipe (403), the tip of water feeding pipe (403) is connected with liquid reserve tank (405) through liquid pump (404), the other end of T shape pipe end (402) is connected with flexible pipe (406) that are arranged in outer column casing (401), and the lower extreme of flexible pipe (406) is connected with jet housing (407), and evenly sets up a plurality of jet holes (4071) down on the lateral surface of jet housing (407).
  2. 2. The automatic dredging and anti-loss device for the anaerobic ammonia oxidizer pipeline blockage according to claim 1, wherein a wall scraping disc (408) is connected to the lower end of the jet housing (407), the diameter of the wall scraping disc (408) is equal to the inner diameter of the vertical pipeline (303), and a conical block head (409) is connected to the lower end of the wall scraping disc (408).
  3. 3. The automatic dredging and anti-loss device for the anaerobic ammonia oxidizer pipe blockage according to claim 2, wherein the pipe dredging mechanism (400) further comprises a traction assembly for realizing recovery of the telescopic pipe (406), the traction assembly comprises a traction rope (410) arranged along the central axis of the telescopic pipe (406), the lower end of the traction rope (410) is connected with the bottom wall of the jet housing (407), the upper end of the traction rope penetrates through the top of the T-shaped pipe end (402), a sealing piece is arranged at the position where the traction rope (410) penetrates through the T-shaped pipe end (402), and the outer end of the traction rope (410) is connected with a winding assembly.
  4. 4. The automatic dredging and anti-loss device for the anaerobic ammonia oxidizer pipeline blockage according to claim 3, wherein the collecting assembly comprises a winding motor (411) arranged at the top of the three-phase separator (200), a motor shaft of the winding motor (411) is connected with a winding wheel (412) through a one-way transmission piece, the end part of the traction rope (410) is connected with the winding wheel (412), and a guide wheel (413) for guiding the traction rope (410) to the winding wheel (412) is arranged at the top end of the outer column shell (401).
  5. 5. The automatic dredging and anti-loss device for anaerobic ammonia oxidizer pipe blockage according to claim 4, wherein the granular sludge returning mechanism (500) comprises a radial cylinder (501) communicated with the lower end of the reactor body (100), a receiving hole (502) positioned right below the collecting bucket (309) is formed in the upper surface of the outer end of the radial cylinder (501), a filtering hole (503) is formed in the lower surface of the inner end of the radial cylinder (501) close to the reactor body (100), a movable cylinder (504) is arranged in the inner wall of the radial cylinder (501) in a fitting and sliding manner, two ends of the movable cylinder (504) are respectively and hermetically arranged, a telescopic piece (505) for pushing the movable cylinder (504) is arranged on the outer end face of the radial cylinder (501), a mud falling hole (506) aligned with the receiving hole (502) is formed in the upper surface of the movable cylinder (504), and a back discharging hole (507) aligned with the filtering hole (503) is formed in the lower surface.
  6. 6. The automatic dredging and anti-loss device for anaerobic ammonium oxidizer pipe blockage according to claim 5, wherein a liquid collecting hopper (508) is connected to the lower surface of a radial cylinder (501) positioned at the position of the filtering hole (503), and the liquid collecting hopper (508) is provided with a flushing filtrate drain pipe (509).
  7. 7. The automatic dredging and anti-loss device for anaerobic ammonium oxidizer pipe blockage according to claim 1, wherein 2-4 vertical pipes (303) are arranged between two turntables (302).
  8. 8. The automatic dredging and anti-loss device for anaerobic ammonium oxidizer pipe blockage according to claim 1 or 7, wherein the upper opening and the lower opening of each vertical pipe (303) are arranged flush with the surface of the turntable (302), and the opening surfaces of the upper butt joint pipe (305) and the lower butt joint pipe (306) are provided with sealing rings (3061) pressed with the surface of the turntable (302).
  9. 9. The automatic dredging and anti-loss device for the anaerobic ammonium oxidation device pipeline blockage according to claim 1, wherein a pipeline blockage detection assembly (600) is arranged in the upper butt joint pipe (305), and the pipeline blockage detection assembly (600) is electrically connected with a control cabinet (700).
  10. 10. The automatic dredging and anti-loss device for the anaerobic ammonia oxidizer pipeline blockage according to claim 9, wherein the pipeline blockage detection assembly (600) comprises a force sensor (601) arranged at the top of the upper butt joint pipe (305), a sliding rod (602) arranged along the central axis of the upper butt joint pipe (305) is connected to an action surface of the force sensor (601), a buoyancy block (603) is sleeved in the sliding rod (602), a spring (604) is connected between the buoyancy block (603) and the force sensor (601), the force sensor (601) is connected with a signal input end of the control cabinet (700), and the driving device (304) and the liquid pump (404) are connected with a signal output end of the control cabinet (700).

Description

Automatic dredging and loss-preventing device for pipeline blockage of anaerobic ammonia oxidation reactor Technical Field The invention relates to the technical field of sewage treatment, and particularly discloses an automatic dredging and loss-preventing device for pipeline blockage of an anaerobic ammonia oxidation reactor. Background Anaerobic ammoxidation is used as a novel biological denitrification process, and can save carbon sources in the process of treating low-carbon-nitrogen-ratio domestic sewage, especially high-ammonia-nitrogen sewage, so that high-efficiency removal of nitrogen is realized, and the anaerobic ammoxidation is widely applied to high-ammonia-nitrogen sewage treatment. However, the problem of sludge loss caused by the floating of anaerobic ammonia oxidation granular sludge is a problem to be solved in the rapid starting and proliferation process of anaerobic ammonia oxidation sludge, a large amount of floating sludge not only causes the treatment effect and instability, but also is very easy to cause the problems of pipeline blockage and the like, and great trouble is brought to operation. The patent application 2017104321772 discloses an anaerobic reactor for treating wastewater comprising a reaction vessel comprising an inlet for providing an influent to be treated into the reaction vessel, wherein the reaction vessel is arranged for treating the influent received from the inlet using anaerobic digestion, and a three-phase separator arranged in an upper portion of the reaction vessel and in fluid communication therewith, wherein the separator is arranged for receiving effluent from the reaction vessel, wherein the effluent comprises solids, liquids and gases. The three-phase separator is arranged at the top of the anaerobic reactor to a certain extent, so that most of anaerobic ammonium oxidation bacteria granular sludge can be precipitated into the reactor, but part of anaerobic ammonium oxidation bacteria granular sludge and sewage enter the drainage pipeline from the water outlet to be discharged, the drainage pipeline is not only lost, but also blocked even in severe cases, and the whole reactor cannot normally run. Aiming at the technical problems that the prior anaerobic ammonia oxidizer has serious loss and causes pipeline blockage due to the discharge of the anaerobic ammonia oxidizing bacteria granular sludge along with sewage, the application provides an automatic dredging and anti-loss device for the pipeline blockage of the anaerobic ammonia oxidizer, which can effectively solve the technical problems. Disclosure of Invention The invention aims to provide an automatic dredging and anti-loss device for pipeline blockage of an anaerobic ammonia oxidation reactor, which aims to solve the technical problems that the existing anaerobic ammonia oxidation reactor is seriously lost and causes pipeline blockage due to the fact that anaerobic ammonia oxidation bacteria granular sludge is discharged together with sewage. The invention is realized by the following technical scheme: The automatic dredging and anti-loss device for the anaerobic ammonia oxidation reactor pipeline blockage comprises a reactor body, wherein a liquid inlet pipe is arranged on the side surface of the lower end of the reactor body, a three-phase separator is arranged at the upper end of the reactor body, an overflow hole is formed in the three-phase separator, an overflow pipe is connected to the outer end of the overflow hole, a pipeline switching mechanism is arranged below the overflow pipe, a pipeline dredging mechanism is arranged at the upper end of the pipeline switching mechanism, and a granular sludge returning mechanism communicated with the reactor body is arranged right below the pipeline dredging mechanism; The pipeline switching mechanism comprises an outer cylinder body fixed at the side of the reactor body, turntables are arranged at the upper end and the lower end of an inner cavity of the outer cylinder body, at least two vertical pipelines are arranged between the two turntables in an annular array mode, a driving device for driving the turntables to rotate is arranged at the upper end of the outer cylinder body, an upper butt joint pipe and a lower butt joint pipe are respectively fixed at the upper end and the lower end of the outer cylinder body, the upper butt joint pipe and the lower butt joint pipe are simultaneously in sealing butt joint with the upper opening and the lower opening of one of the vertical pipelines, the upper butt joint pipe is connected with the end part of an overflow pipe, the end part of the lower butt joint pipe is connected with a liquid discharge pipe, and the end part of the lower butt joint pipe in butt joint with the vertical pipeline is provided with a filter plate; pipeline dredging mechanism is including fixing the outer column casing at outer barrel upper surface, is located outer column casing lower surface connection under has the collection to