CN114988582B

CN114988582B - Landfill leachate SBR and anaerobic ammonia oxidation combined denitrification device

Info

Publication number: CN114988582B
Application number: CN202210941832.8A
Authority: CN
Inventors: 丁亚林; 丁彬琨; 李伟
Original assignee: Shandong Ruiwo Environmental Protection Technology Co ltd
Current assignee: Shandong Ruiwo Environmental Protection Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-01
Anticipated expiration: 2042-08-08
Also published as: CN114988582A

Abstract

The invention discloses a landfill leachate SBR and anaerobic ammonia oxidation combined denitrification device, and belongs to the field of biological denitrification of low carbon nitrogen (C/N) ratio high-concentration ammonia nitrogen wastewater. The combined denitrification device for the landfill leachate SBR and the anaerobic ammonia oxidation comprises a nitration reaction device and an anaerobic ammonia oxidation reaction device, wherein a reaction cylinder is embedded into the top of the nitration reaction device, a cover plate is arranged on the top of the nitration reaction device, a feeding pipe is fixed on the surface of the cover plate, a water inlet pipe is fixed on one side, located on the feeding pipe, of the surface of the cover plate, and a stirring assembly for nitration reaction of materials is arranged on the cover plate; according to the invention, the separation assemblies arranged on the nitrification reaction equipment and the anaerobic ammonia oxidation reaction equipment are convenient for solid-liquid separation of the nitrified sludge mixed liquid, and the separated liquid is extracted through the first hose and conveyed to the anaerobic ammonia oxidation reaction equipment for denitrification reaction, so that the working efficiency of workers is effectively improved, and the waiting time of the equipment is reduced.

Description

Landfill leachate SBR and anaerobic ammonia oxidation combined denitrification device

Technical Field

The invention relates to the technical field of biological denitrification of low carbon nitrogen (C/N) ratio high-concentration ammonia nitrogen wastewater, in particular to a combined denitrification device for landfill leachate SBR and anaerobic ammonia oxidation.

Background

In recent years, with the increasing production of municipal solid waste, landfill has become the most widely used treatment and disposal method in the world. The leachate generated by landfill has the characteristics of complex components, large change of water quality and water quantity, high concentration of organic matters and ammonia nitrogen, imbalance of proportion of nutrient elements of microorganisms and other water quality, so that the treatment of the leachate becomes one of the unsolved problems in the international range, and the anaerobic ammonia oxidation has the following advantages: because the anaerobic ammonium oxidation bacteria are autotrophic bacteria and the carbonate/carbon dioxide are inorganic carbon sources required by the growth of the anaerobic ammonium oxidation bacteria, the oxidation of ammonia nitrogen does not need molecular oxygen, and meanwhile, the reduction of nitrite nitrogen does not need organic carbon sources, so that the operation cost of the denitrification of aerobic organisms in the sewage is greatly reduced.

In the prior art, patent number CN201110409152.3 provides a combined denitrification device and method for landfill leachate SBR and anaerobic ammonia oxidation, which realize efficient biological denitrification of landfill leachate under the condition of not adding an external carbon source, solve the treatment problem of late-stage leachate with high concentration ammonia nitrogen and low carbon nitrogen ratio, and greatly reduce operation and construction costs, but in the using process, after nitrification is completed, static precipitation is required, waiting time is too long, and after the equipment is used for a long time, blockage is easily remained, the equipment is not inconvenient to clean, and the use is troublesome, so we provide a combined denitrification device for landfill leachate SBR and anaerobic ammonia oxidation.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, after nitrification is finished when a denitrification device is used, the denitrification device needs to be statically precipitated, the waiting time is too long, the working efficiency is low, and after equipment is used for a long time, the equipment is easy to remain and block, the equipment is not inconvenient to clean, and the use is troublesome.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a landfill leachate SBR and anaerobic ammonia oxidation combined nitrogen removal device, includes nitration equipment and anaerobic ammonia oxidation reaction equipment, the reaction cylinder is installed in the top embedding of nitration equipment, nitration equipment's top is provided with the apron, the fixed surface of apron has the inlet pipe, one side that the surface of apron lies in the inlet pipe is fixed with the inlet tube, be provided with the stirring subassembly that is used for nitration to the material on the apron, nitration equipment's inner wall is fixed with the backup pad, the backup pad all is provided with the mounting panel with the outer wall fixed connection of reaction cylinder, nitration equipment and anaerobic ammonia oxidation reaction equipment's inside, all be provided with the separating assembly on nitration equipment and the anaerobic ammonia oxidation reaction equipment, the separating assembly includes the connecting axle, the top of connecting axle is fixed with the separation cylinder; the interior of the nitrification reaction equipment and the interior of the anaerobic ammonia oxidation reaction equipment are both provided with fixed cylinders, and the separation component is driven by a vibration component; the vibration component comprises a semicircular gear fixed on the surface of a rotating shaft, a meshing toothed ring is meshed on the surface of the semicircular gear, Z-shaped rods are fixed at two ends of the meshing toothed ring, a first through hole is formed in the back face of the nitration reaction equipment, a first hose is fixed on the outer wall of the fixed cylinder, a water pump is fixed at the end part of the first hose, penetrates through the first through hole, is fixed on the outer wall of the anaerobic ammonia oxidation reaction equipment, is fixedly connected with a feed inlet of the anaerobic ammonia oxidation reaction equipment through a pipeline, and an aeration pipe is fixed on the surface of the top of the reaction cylinder.

Preferably, the stirring subassembly is including fixing the first motor at apron top surface, the output of first motor runs through the inside that the apron extends to the reaction cylinder and is fixed with the puddler, the fixed surface of puddler has the stirring leaf, the fixed surface of puddler has the connecting rod, the scraper blade is installed to the tip of connecting rod, the scraper blade is laminated mutually with the inner wall of reaction cylinder.

Preferably, the inner wall of the reaction cylinder is fixed with a limiting ring, a sealing groove is formed in the surface of the limiting ring, a sealing ring slides in the sealing groove, and the sealing ring is fixedly connected to the surface of the bottom of the cover plate.

Preferably, the separating assembly further comprises a second motor fixed on one side surface of the nitrification reaction equipment and the anaerobic ammonia oxidation reaction equipment respectively, the output end of the second motor penetrates through the nitrification reaction equipment and the anaerobic ammonia oxidation reaction equipment respectively and is fixed with a rotating shaft, the end part of the rotating shaft is fixed with a bevel gear, the surface of the bevel gear is meshed with a fitting gear, the connecting shaft is fixedly connected with the axis of the fitting gear, the bottom of the connecting shaft is rotatably connected with the mounting plate through a bearing, and the separating cylinder is rotatably connected in the fixed cylinder.

Preferably, T-shaped grooves are formed in the inner walls of the nitrification reaction equipment and the anaerobic ammonia oxidation reaction equipment, T-shaped rods slide in the T-shaped grooves, and the end parts of the T-shaped rods are fixedly connected with the outer wall of the fixed cylinder.

Preferably, the surface slip of Z type pole has the fixed plate, the fixed plate is fixed on nitration equipment's inner wall, the fixed surface of Z type pole has the limiting plate, be fixed with the spring between limiting plate and the fixed plate, the spring housing is established on the surface of Z type pole, the one end of limiting plate is fixed with strikes the piece, strike piece and solid fixed cylinder looks adaptation.

Preferably, the bottom inner wall of nitrification reaction equipment and anaerobic ammonia oxidation reaction equipment has all been seted up the spacing groove, the inside slip of spacing groove has the stopper, the tip and the mounting panel of stopper are fixed and link to each other, the both ends of mounting panel are fixed with the connecting block, the fixed surface of connecting block has the cylinder, the cylinder is fixed respectively on the inner wall of nitrification reaction equipment and anaerobic ammonia oxidation reaction equipment.

Preferably, a second through hole is formed in one side surface of the anammox reaction equipment, a second hose is fixed to the outer wall of one of the fixed cylinders, the end portion of the second hose penetrates through the second through hole and extends to the outside of the anammox reaction equipment, and a valve is arranged on the second hose.

Preferably, the surface of nitration reaction equipment and anaerobic ammonium oxidation reaction equipment all rotates through the hinge has the clearance door, the surface mounting of clearance door has the observation window, nitration reaction equipment and anaerobic ammonium oxidation reaction equipment's bottom is fixed with the base, the fixed orifices has been seted up on the surface of base.

Compared with the prior art, the invention provides a combined denitrification device for landfill leachate SBR and anaerobic ammonium oxidation, which has the following beneficial effects:

1. this landfill leachate SBR and anaerobic ammonia oxidation combined denitrification device through set up the stirring subassembly convenient quickening the time of nitrifying the filtrate in the reaction cylinder on the reaction cylinder, makes its abundant reaction, and strikes off remaining residue on the inner wall of reaction cylinder in the stirring, prevents to stay on the inner wall, influences the next filtrate nitration reaction, makes things convenient for equipment to wash.

2. This landfill leachate SBR and anaerobic ammonia oxidation combined denitrification device, through the separator assembly who sets up on nitration response device and anaerobic ammonia oxidation response device, the convenient mud mixed liquid solid-liquid separation after will nitrifying, carry out the denitrification in anaerobic ammonia oxidation response device through the liquid that first hose extraction was separated, effectively improve staff's work efficiency, reduce the time of equipment wait.

3. This landfill leachate SBR and anaerobic ammonia oxidation combination denitrification device drives the operation of vibrations subassembly through the separable set to reaction cylinder internally mounted's solid fixed cylinder, control and strike and produce vibrations, make remaining mud drop on the drainage hole, effectively prevent that the drainage hole on the separable set from blockking up, make things convenient for the staff to use, reduce the cost of maintenance of equipment, avoid the emergence of trouble.

The device has the advantages that the structure is simple, the use is convenient, the working efficiency of equipment use is further improved, meanwhile, workers can conveniently clean the equipment, the maintenance cost is reduced, and the practicability of the device is improved.

Drawings

FIG. 1 is a schematic structural diagram of a combined denitrification apparatus for landfill leachate SBR and anaerobic ammonium oxidation provided by the invention;

FIG. 2 is a schematic view of a partial cross-sectional structure of a nitration apparatus according to the present invention;

FIG. 3 is a schematic diagram of a partial top view cross-sectional structure of a nitrification reactor according to the present invention;

FIG. 4 is an enlarged view of area A of FIG. 2 according to the present invention;

FIG. 5 is a partial sectional view of the separating cylinder and the fixed cylinder according to the present invention;

FIG. 6 is a schematic view of a partial structure of a vibration assembly according to the present invention;

FIG. 7 is a partial sectional view of a nitrification reactor and an anaerobic ammonia oxidation reactor according to the present invention;

FIG. 8 is a side view of the combined denitrification apparatus for landfill leachate SBR and anaerobic ammonia oxidation provided by the invention.

In the figure: 1. a nitration reaction device; 2. anaerobic ammonia oxidation reaction equipment; 3. a reaction cylinder; 4. a cover plate; 5. a feed pipe; 6. a water inlet pipe; 7. a stirring assembly; 701. a first motor; 702. a stirring rod; 703. stirring blades; 704. a connecting rod; 705. a squeegee; 8. a support plate; 9. a limiting ring; 10. a sealing groove; 11. a seal ring; 12. mounting a plate; 13. a separation assembly; 1301. a second motor; 1302. a rotating shaft; 1303. a bevel gear; 1304. a mating gear; 1305. a connecting shaft; 1306. a separation cylinder; 14. a fixed cylinder; 15. a T-shaped groove; 16. a T-shaped rod; 17. a vibration assembly; 1701. a semi-circular gear; 1702. fitting a toothed ring; 1703. a Z-shaped rod; 1704. a fixing plate; 1705. a limiting plate; 1706. a spring; 1707. knocking the block; 18. a limiting groove; 19. a limiting block; 20. a cylinder; 21. connecting blocks; 22. a first through hole; 23. a first hose; 24. a water pump; 25. a second through hole; 26. a second hose; 27. an aeration pipe; 28. cleaning the door; 29. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-2, a combined denitrification device for landfill leachate SBR and anaerobic ammonia oxidation comprises a nitrification reaction device 1 and an anaerobic ammonia oxidation reaction device 2, a reaction cylinder 3 is embedded in the top of the nitrification reaction device 1, a cover plate 4 is arranged on the top of the nitrification reaction device 1, a feed pipe 5 is fixed on the surface of the cover plate 4, a water inlet pipe 6 is fixed on one side of the feed pipe 5 on the surface of the cover plate 4, a stirring component 7 for nitration reaction on materials is arranged on the cover plate 4, a support plate 8 is fixed on the inner wall of the nitrification reaction device 1, the support plate 8 is fixedly connected with the outer wall of the reaction cylinder 3, a mounting plate 12 is arranged inside the nitrification reaction device 1 and the anaerobic ammonia oxidation reaction device 2, a separation component 13 is arranged on the nitrification reaction device 1 and the anaerobic ammonia oxidation reaction device 2, a fixed cylinder 14 is arranged inside the nitrification reaction device 1 and the anaerobic ammonia oxidation reaction device 2, a vibration component 17 is driven on the separation component 13, a first through hole 22 is formed in the back of the nitrification reaction device 1, a first hose 23 is fixed on the outer wall of the fixed cylinder 14, a water pump 24 is fixed on the end of the first hose 23, a water pump 24 is fixed on the outer wall of the anaerobic ammonia oxidation reaction device 2, a top of the anaerobic ammonia oxidation reaction device 2, a fixed water pump 24 is connected with a top of the anaerobic ammonia oxidation reaction device 2, and a fixed pipe 27, and a top of the anaerobic ammonia oxidation reaction device 2, and a fixed water pump 2, and an aeration pipe 27.

In the invention, when the device is used, the refitting device is moved to a proper position, then nitrified sludge is inoculated sludge and garbage percolate is poured into the reaction cylinder 3 from the feeding pipe 5, tap water is poured into the reaction cylinder through the water inlet pipe 6 on the cover plate 4 for dilution, during nitration reaction, the aeration pump is started to inject gas into the reaction cylinder 3 through the aeration pipe 27, the garbage percolate is nitrified, materials in the reaction cylinder 3 are fully stirred by the stirring component 7 on the cover plate 4, the nitration reaction effect of the materials is improved, meanwhile, the materials are prevented from being accumulated and attached to the inner wall, after the nitration reaction is finished, the separation component 13 is used for further conveniently separating sludge mixture and solid from liquid after the reaction, the water pump 24 is started, liquid in the fixed cylinder 14 is pumped and conveyed to the interior of the anaerobic ammonia oxidation reaction equipment 2 by the first hose 23, so as to facilitate the next denitrification operation, after the equipment is used for a long time, the vibration component 17 is used for conveniently knocking the fixed cylinder 14 in a reciprocating manner, sludge attached to the filter hole on the separation component 13 is shaken off, the sludge is prevented from being blocked and influenced the filter effect, the work efficiency of the work of the equipment is effectively improved, the operation of the worker is convenient, the fixed cylinder 20 is started, the fixed cylinder 21 is moved, the fixed cylinder 21, the fixed cylinder is moved, the integral cleaning device is moved to drive the limiting block structure of the limiting block 14, and the limiting block is conveniently, and the limiting block is moved to improve the integral structure, and the limiting block 14.

The separation assembly 13 comprises a connecting shaft 1305, a separation cylinder 1306 is fixed at the top of the connecting shaft 1305, the connecting shaft 1305 drives the separation cylinder 1306 to rotate, the separation cylinder 1306 rotates at a high speed to generate centrifugal force, and the sludge mixture in the separation cylinder 1306 is separated, so that liquid is discharged from a filter hole, the long-time waiting time of workers is saved, the working efficiency is effectively improved, and the workers can conveniently perform next process operation;

the vibrations subassembly 17 is including fixing at the semicircle gear 1701 on axis of rotation 1302 surface, the surface meshing of semicircle gear 1701 has the meshing ring of teeth 1702, the both ends of meshing ring of teeth 1702 all are fixed with Z type pole 1703, drive Z type pole 1703 through meshing ring of teeth 1702 and slide in fixed plate 1704 is inside, and then strike reciprocating to the fixed cylinder 14 outer wall, produce vibrations, thereby make the cylinder 1306 vibrations of installation in the fixed cylinder 14, with cylinder 1306 filtration pore surface attached's mud drop, prevent to block up, influence the filter effect, make things convenient for the staff to use, maintenance cost who saves maintainer.

Example 2:

the utility model provides a landfill leachate SBR and anaerobic ammonia oxidation combined nitrogen removal device, including nitration equipment 1 and anaerobic ammonia oxidation reaction equipment 2, nitration equipment 1's top embedding installation reaction cylinder 3, nitration equipment 1's top is provided with apron 4, the fixed surface of apron 4 has inlet pipe 5, one side that the surface of apron 4 lies in inlet pipe 5 is fixed with inlet tube 6, be provided with the stirring subassembly 7 that is used for nitration to the material on the apron 4, nitration equipment 1's inner wall is fixed with backup pad 8, backup pad 8 and reaction cylinder 3's outer wall fixed connection, nitration equipment 1 and anaerobic ammonia oxidation reaction equipment 2's inside all is provided with mounting panel 12, all be provided with separating assembly 13 on nitration equipment 1 and the anaerobic ammonia oxidation reaction equipment 2, the inside of nitration equipment 1 and anaerobic ammonia oxidation reaction equipment 2 all is provided with fixed cylinder 14, the last transmission of separating assembly 13 has vibrations subassembly 17, first through-hole 22 has been seted up at nitration equipment 1's the back, the outer wall of fixed cylinder 14 is fixed with first hose 23, the tip of first hose 23 runs through first through-hole 22 is fixed with water pump 24, 24 fixes on anaerobic ammonia oxidation reaction equipment 2's the outer wall of anaerobic ammonia oxidation reaction equipment 2, the top of anaerobic ammonia oxidation reaction equipment 2 is connected with aeration pipe 27.

The stirring assembly 7 comprises a first motor 701 fixed on the top surface of the cover plate 4, the output end of the first motor 701 penetrates through the cover plate 4 and extends to the inside of the reaction cylinder 3 to be fixed with a stirring rod 702, the surface of the stirring rod 702 is fixed with a stirring blade 703, the surface of the stirring rod 702 is fixed with a connecting rod 704, the end part of the connecting rod 704 is provided with a scraper 705, and the scraper 705 is attached to the inner wall of the reaction cylinder 3.

According to the invention, the first motor 701 is started to drive the stirring rod 702 to rotate, the stirring rod 702 drives the stirring blade 703 to rotate, the stirring blade 703 is used for stirring the sludge mixture poured into the reaction cylinder 3, the nitration reaction is accelerated, the stirring rod 702 drives the connecting rod 704 to rotate, the scraper 705 at the end part of the connecting rod 704 is attached to the inner wall of the reaction cylinder 3, residues attached to the inner wall of the reaction cylinder 3 are scraped, the agglomeration is prevented, and the residues are adhered to the inner wall of the reaction cylinder 3, so that the equipment can be conveniently cleaned by workers.

Example 3:

Example 4:

the utility model provides a landfill leachate SBR and anaerobic ammonia oxidation combined nitrogen removal device, including nitration equipment 1 and anaerobic ammonia oxidation equipment 2, nitration equipment 1's top embedding is installed reaction cylinder 3, nitration equipment 1's top is provided with apron 4, the fixed surface of apron 4 has inlet pipe 5, the surface of apron 4 is located one side of inlet pipe 5 and is fixed with inlet tube 6, be provided with the stirring subassembly 7 that is used for the nitration to the material on the apron 4, nitration equipment 1's inner wall is fixed with backup pad 8, backup pad 8 and reaction cylinder 3's outer wall fixed connection, nitration equipment 1 and anaerobic ammonia oxidation equipment 2's inside all is provided with mounting panel 12, all be provided with separating component 13 on nitration equipment 1 and the anaerobic ammonia oxidation equipment 2, the inside of nitration equipment 1 and anaerobic ammonia oxidation equipment 2 all is provided with fixed cylinder 14, the last transmission of separating component 13 has vibrations subassembly 17, first through-hole 22 has been seted up at nitration equipment 1's the back, the outer wall of fixed cylinder 14 is fixed with first hose 23, the tip of first hose 23 is fixed with first through-going through first through-hole 22, water pump 24 is fixed on anaerobic ammonia oxidation equipment 2's the outer wall, water pump 24 is fixed on anaerobic ammonia oxidation equipment 2, the outer wall of anaerobic ammonia oxidation equipment 2, the end is connected with the top fixed surface of anaerobic ammonia oxidation reaction equipment 3 of anaerobic ammonia oxidation pipe 27.

A limiting ring 9 is fixed on the inner wall of the reaction cylinder 3, a sealing groove 10 is formed in the surface of the limiting ring 9, a sealing ring 11 slides inside the sealing groove 10, and the sealing ring 11 is fixedly connected to the bottom surface of the cover plate 4.

In the invention, when the reaction cylinder 3 needs to be maintained and cleaned, the cover plate 4 is removed, the stirring assembly 7 is integrally taken to the outside, the inner wall is cleaned, and the sealing ring 11 is used for corresponding to the sealing groove 10 formed in the surface of the limiting ring 9, so that the joint between the reaction cylinder 3 and the cover plate 4 is sealed, air leakage is prevented, and equipment failure is prevented.

Example 5:

The separation assembly 13 comprises a second motor 1301 fixed on one side surface of the nitrification reaction device 1 and the anaerobic ammonia oxidation reaction device 2, an output end of the second motor 1301 penetrates through the nitrification reaction device 1 and the anaerobic ammonia oxidation reaction device 2 respectively and is fixed with a rotating shaft 1302, an oblique gear 1303 is fixed on an end portion of the rotating shaft 1302, a fitting gear 1304 is meshed on the surface of the oblique gear 1303, a connecting shaft 1305 is fixed on the axis of the fitting gear 1304, the bottom of the connecting shaft 1305 is rotatably connected with the mounting plate 12 through a bearing, a separation cylinder 1306 is fixed on the top of the connecting shaft 1305, and the separation cylinder 1306 is rotatably connected in the fixed cylinder 14.

In the invention, the second motor 1301 is started to drive the rotating shaft 1302 to rotate, the rotating shaft 1302 rotates to drive the bevel gear 1303 to rotate, the bevel gear 1303 rotates to drive the fit gear 1304 to rotate, the fit gear 1304 drives the connecting shaft 1305 to rotate, the connecting shaft 1305 drives the separating cylinder 1306 to rotate, the separating cylinder 1306 rotates at a high speed, centrifugal force is generated, and sludge mixture in the separating cylinder 1306 is separated, so that liquid is discharged from the filtering holes, the long-time waiting time of workers is saved, the working efficiency is effectively improved, and the workers can conveniently perform next process operation.

Example 6:

The inner walls of the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2 are provided with T-shaped grooves 15, T-shaped rods 16 are arranged inside the T-shaped grooves 15 in a sliding mode, the end portions of the T-shaped rods 16 are fixedly connected with the outer walls of the fixed cylinders 14, one side surface of the anaerobic ammonia oxidation reaction equipment 2 is provided with a second through hole 25, the outer wall of one fixed cylinder 14 is fixed with a second hose 26, the end portion of the second hose 26 penetrates through the second through hole 25 and extends to the outside of the anaerobic ammonia oxidation reaction equipment 2, a valve is arranged on the second hose 26, the surfaces of the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2 are respectively provided with a cleaning door 28 in a rotating mode through hinges, the surface of the cleaning door 28 is provided with an observation window, the bottoms of the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2 are respectively provided with a base 29, and the surface of the base 29 is provided with fixing holes.

According to the invention, the T-shaped rod 16 slides in the T-shaped groove 15, so that the fixing cylinder 14 can be conveniently supported and limited, when solid sludge needs to be cleaned, the T-shaped rod 16 can slide in the T-shaped groove 15, the fixing cylinder 14 can be conveniently moved out of the nitrification reaction equipment 1, so that the sludge in the fixing cylinder 14 can be conveniently cleaned, the structural stability is improved, the fixing cylinder 14 is connected with the fixing cylinder 14 in the anaerobic ammonia oxidation reaction equipment 2 through the second through hole 25, so that denitrified percolate can be conveniently discharged, the opening and closing operations are convenient through the valves on the second through holes 25, the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2 are conveniently opened through the cleaning doors 28 on the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2, the sludge after the reactions in the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2 are conveniently cleaned, and the bases 29 arranged at the bottoms of the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2 are conveniently used for installing the nitrification reaction equipment 1 and the anaerobic ammonia oxidation reaction equipment 2, so that workers can conveniently operate and use.

Example 7:

The vibration assembly 17 comprises a semi-circular gear 1701 fixed on the surface of a rotating shaft 1302, a fit toothed ring 1702 meshed with the surface of the semi-circular gear 1701, Z-shaped rods 1703 fixed at both ends of the fit toothed ring 1702, fixing plates 1704 fixed on the inner wall of the nitrification reaction equipment 1 in a sliding mode on the surface of the Z-shaped rods 1703, limiting plates 1705 fixed on the surface of the Z-shaped rods 1703, springs 1706 fixed between the limiting plates 1705 and the fixing plates 1704, the springs 1706 sleeved on the surface of the Z-shaped rods 1703, knocking blocks 1707 fixed at one ends of the limiting plates 1705, and the knocking blocks 1707 matched with the fixed cylinder 14.

In the invention, the rotation shaft 1302 rotates to drive the semicircular gear 1701 to rotate, the semicircular gear 1701 rotates to drive the engagement gear 1702 to move left and right, the engagement gear 1702 drives the Z-shaped rod 1703 to slide in the fixed plate 1704, the limiting plate 1705 is squeezed by the resilience of the spring 1706, and the knocking block 1707 on the surface of the limiting plate 1705 performs reciprocating knocking on the outer wall of the fixed cylinder 14 to generate vibration, so that the separation cylinder 1306 arranged in the fixed cylinder 14 vibrates to drop sludge attached to the surface of the filter hole of the separation cylinder 1306, so that the blockage is prevented, the filter effect is influenced, the use by workers is facilitated, and the maintenance cost of the maintenance personnel is saved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The combined denitrification device for the landfill leachate SBR and the anaerobic ammonia oxidation comprises a nitration reaction device (1) and an anaerobic ammonia oxidation reaction device (2), and is characterized in that a reaction cylinder (3) is embedded into the top of the nitration reaction device (1), a cover plate (4) is arranged on the top of the nitration reaction device (1), a feeding pipe (5) is fixed on the surface of the cover plate (4), a water inlet pipe (6) is fixed on one side, located on the feeding pipe (5), of the surface of the cover plate (4), and a stirring assembly (7) for nitration reaction of materials is arranged on the cover plate (4); a support plate (8) is fixed on the inner wall of the nitration equipment (1), the support plate (8) is fixedly connected with the outer wall of the reaction cylinder (3), mounting plates (12) are arranged inside the nitration equipment (1) and the anaerobic ammonia oxidation reaction equipment (2), and separation assemblies (13) are arranged on the nitration equipment (1) and the anaerobic ammonia oxidation reaction equipment (2); the separating assembly (13) comprises a connecting shaft (1305), and a separating cylinder (1306) is fixed to the top of the connecting shaft (1305); the nitrification reaction equipment (1) and the anaerobic ammonia oxidation reaction equipment (2) are internally provided with fixed cylinders (14), and the separation component (13) is driven by a vibration component (17); the vibrating assembly (17) comprises a semicircular gear (1701) fixed on the surface of a rotating shaft (1302), the surface of the semicircular gear (1701) is meshed with a fit toothed ring (1702), and both ends of the fit toothed ring (1702) are fixed with Z-shaped rods (1703); a first through hole (22) is formed in the back of the nitration reaction equipment (1), a first hose (23) is fixed on the outer wall of the fixed cylinder (14), a water pump (24) is fixed on the end portion of the first hose (23) penetrating through the first through hole (22), the water pump (24) is fixed on the outer wall of the anaerobic ammonia oxidation reaction equipment (2), the end portion of the water pump (24) is fixedly connected with a feeding hole of the anaerobic ammonia oxidation reaction equipment (2) through a pipeline, and an aeration pipe (27) is fixed on the top surface of the reaction cylinder (3); the stirring assembly (7) comprises a first motor (701) fixed on the top surface of the cover plate (4), the output end of the first motor (701) penetrates through the cover plate (4) and extends to the inside of the reaction cylinder (3) to be fixed with a stirring rod (702), the surface of the stirring rod (702) is fixed with stirring blades (703), the surface of the stirring rod (702) is fixed with a connecting rod (704), the end part of the connecting rod (704) is provided with a scraper (705), and the scraper (705) is attached to the inner wall of the reaction cylinder (3); a limiting ring (9) is fixed on the inner wall of the reaction cylinder (3), a sealing groove (10) is formed in the surface of the limiting ring (9), a sealing ring (11) slides inside the sealing groove (10), and the sealing ring (11) is fixedly connected to the bottom surface of the cover plate (4); the separation assembly (13) further comprises a second motor (1301) which is fixed on one side surface of the nitrification reaction device (1) and the anaerobic ammonia oxidation reaction device (2) respectively, the output end of the second motor (1301) penetrates through the nitrification reaction device (1) and the anaerobic ammonia oxidation reaction device (2) respectively and is fixed with a rotating shaft (1302), the end of the rotating shaft (1302) is fixed with a bevel gear (1303), the surface of the bevel gear (1303) is meshed with a fit gear (1304), the connecting shaft (1305) is fixedly connected to the axis of the fit gear (1304), the bottom of the connecting shaft (1305) is rotatably connected with the mounting plate (12) through a bearing, and the separation cylinder (1306) is rotatably connected in the fixed cylinder (14); the inner walls of the nitrification reaction equipment (1) and the anaerobic ammonia oxidation reaction equipment (2) are provided with T-shaped grooves (15), T-shaped rods (16) slide in the T-shaped grooves (15), and the end parts of the T-shaped rods (16) are fixedly connected with the outer wall of the fixed cylinder (14); a fixing plate (1704) slides on the surface of the Z-shaped rod (1703), the fixing plate (1704) is fixed on the inner wall of the nitrification reaction equipment (1), a limiting plate (1705) is fixed on the surface of the Z-shaped rod (1703), a spring (1706) is fixed between the limiting plate (1705) and the fixing plate (1704), the spring (1706) is sleeved on the surface of the Z-shaped rod (1703), a knocking block (1707) is fixed at one end of the limiting plate (1705), and the knocking block (1707) is matched with the fixing barrel (14); limiting grooves (18) are formed in the inner walls of the bottoms of the nitrification reaction equipment (1) and the anaerobic ammonia oxidation reaction equipment (2), limiting blocks (19) slide in the limiting grooves (18), the end parts of the limiting blocks (19) are fixedly connected with a mounting plate (12), connecting blocks (21) are fixed at the two ends of the mounting plate (12), air cylinders (20) are fixed on the surfaces of the connecting blocks (21), and the air cylinders (20) are respectively fixed on the inner walls of the nitrification reaction equipment (1) and the anaerobic ammonia oxidation reaction equipment (2); a second through hole (25) is formed in the surface of one side of the anaerobic ammonia oxidation reaction equipment (2), a second hose (26) is fixed to the outer wall of one of the fixing cylinders (14), the end portion of the second hose (26) penetrates through the second through hole (25) and extends to the outside of the anaerobic ammonia oxidation reaction equipment (2), and a valve is arranged on the second hose (26).

2. The landfill leachate SBR and anaerobic ammonia oxidation combined denitrification device as claimed in claim 1, wherein the surface of the nitrification reaction equipment (1) and the surface of the anaerobic ammonia oxidation reaction equipment (2) are both provided with a cleaning door (28) in a rotating manner through hinges, the surface of the cleaning door (28) is provided with an observation window, the bottoms of the nitrification reaction equipment (1) and the anaerobic ammonia oxidation reaction equipment (2) are fixed with a base (29), and the surface of the base (29) is provided with fixing holes.