CN210419642U

CN210419642U - Novel MBR (membrane bioreactor) recycling system for nitrifying and denitrifying ammonia nitrogen wastewater

Info

Publication number: CN210419642U
Application number: CN201921108059.7U
Authority: CN
Inventors: 海洋
Original assignee: Nanjing Daheng Linrui Precision Machinery Co Ltd
Current assignee: Nanjing Daheng Linrui Precision Machinery Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-04-28
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a novel MBR (membrane bioreactor) recycling system for nitrifying and denitrifying ammonia nitrogen wastewater, which particularly relates to the field of wastewater treatment, and comprises a reaction tank body, wherein a water inlet pipe is arranged at the top of the reaction tank body, a valve is arranged on the water inlet pipe, a drain pipe is arranged on the side wall of the reaction tank body, the reaction tank body comprises a flocculation tank, an inflation pipe is arranged inside the flocculation tank, an air blower is arranged at the top end of the inflation pipe, a microorganism treatment tank is arranged on one side of the flocculation tank, and a microorganism component is arranged inside the microorganism treatment tank; the number of the microorganism components is two and the microorganism components are symmetrically arranged in the microorganism treatment pool. The utility model discloses area is little, and the investment is low, need not complicated equipment fixing and maintenance, can effectually get rid of the ammonia nitrogen pollutant in the sewage, has improved the treatment effect of ammonia nitrogen waste water.

Description

Novel MBR (membrane bioreactor) recycling system for nitrifying and denitrifying ammonia nitrogen wastewater

Technical Field

The utility model relates to a waste water treatment field, more specifically say, the utility model relates to a novel ammonia nitrogen wastewater nitrifies denitrogenation MBR and retrieves system of recycling.

Background

The ammonia nitrogen wastewater mainly comes from chemical fertilizers, coking, petrifaction, pharmacy, foods, refuse landfills and the like, and a large amount of ammonia nitrogen wastewater is discharged into a water body, so that the eutrophication of the water body is caused, the black and odorous water body is caused, the difficulty and the cost of water supply treatment are increased, and even toxic action is generated on crowds and organisms. At present, with the rapid development of industries such as chemical fertilizers, petrochemical industry and the like, the generated high ammonia nitrogen wastewater also becomes one of the restricting factors for the development of the industries, but the existing ammonia nitrogen wastewater treatment process is complex, large in occupied area, high in early investment, difficult to popularize, poor in treatment effect of a small ammonia nitrogen wastewater treatment device and difficult to meet the current situation.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a novel MBR recycling system for nitrifying and denitriding ammonia nitrogen waste water, it rotates to drive the biological rotating disc through utilizing the drive carousel, make the last bioactive filler of biological rotating disc contact with air and sewage in turn, form the one deck biomembrane on its surface, utilize the dissolved oxygen in the outer water film of biomembrane absorption, decompose the organic matter, continuous purifies sewage, area is little, the investment is low, need not complicated equipment fixing and maintenance, can effectually remove the ammonia nitrogen pollutant in the sewage, and the treatment effect of ammonia nitrogen waste water has been improved.

In order to achieve the above object, the utility model provides a following technical scheme: a novel MBR (membrane bioreactor) recycling system for nitrifying and denitrifying ammonia nitrogen wastewater comprises a reaction tank body, wherein a water inlet pipe is arranged at the top of the reaction tank body, a valve is arranged on the water inlet pipe, a drain pipe is arranged on the side wall of the reaction tank body, the reaction tank body comprises a flocculation tank, an inflation pipe is arranged inside the flocculation tank, an air blower is arranged at the top end of the inflation pipe, a microorganism treatment tank is arranged on one side of the flocculation tank, and a microorganism assembly is arranged inside the microorganism treatment tank;

the microorganism assembly comprises two drive rotating discs, a sleeve is embedded in the middle of each drive rotating disc, a first rotating shaft penetrates through the sleeve, a first gear is arranged at the end part of the first rotating shaft, the two sides of each first gear are respectively provided with a biological rotating disc, teeth are arranged at the outer edge of each biological rotating disc, a plurality of bioactive fillers are embedded on the surface of each biological rotating disc, a second rotating shaft is arranged on one side of each biological rotating disc, a first bearing is arranged at the end part of each second rotating shaft, a second gear is arranged on the side wall of each drive rotating disc, a second bearing is arranged in each second gear, each second gear is connected with a crown tooth in a meshing manner, a drive motor is arranged at the bottom of each crown tooth, and a fixing plate is arranged at the bottom of each drive motor;

the microbial treatment device comprises a microbial treatment tank and is characterized in that an MBR (membrane bioreactor) tank is arranged on one side of the microbial treatment tank, an MBR component is arranged inside the MBR tank, an aeration pipe is arranged at the bottom of the MRB component, an anaerobic tank is arranged on one side of the MBR tank, an absorption tank is arranged on one side of the anaerobic tank, and a plurality of spherical suspended fillers are arranged in the inner cavity of the absorption tank.

In a preferred embodiment, the flocculation tank, the microbial treatment tank, the MBR tank, the anaerobic tank and the absorption tank are sequentially communicated through electromagnetic valves.

In a preferred embodiment, the aeration pipe is arranged in a serpentine shape, the bottom end of the aeration pipe extends to the bottom of the microbial treatment pool through the flocculation pool, and the bottom end of the aeration pipe is arranged right below the microbial assembly.

In a preferred embodiment, the top of the driving turntable is arranged at the top of the reaction tank body, the driving turntable is arranged at the top of the reaction tank body and has the same height as the diameter of the biological rotating disk, the first rotating shaft and the fixing plate are both fixedly connected with the inner wall of the microbial treatment tank, the driving turntable is movably connected with the first rotating shaft through a sleeve, the first bearing is embedded on the side wall of the driving turntable, and the biological rotating disk is movably connected with the driving turntable through the first bearing and the second rotating shaft.

In a preferred embodiment, the teeth are in meshing engagement with a first gear wheel fixedly disposed at an end of the first rotation shaft, and the second gear wheel is fixedly disposed on a side wall of the drive disk remote from the first gear wheel.

In a preferred embodiment, the second bearing is sleeved on an outer wall of the first rotating shaft, and the second gear is movably connected with the first rotating shaft through the second bearing.

In a preferred embodiment, the driving motor is fixedly connected with the microorganism processing pool through a fixing plate, and the second gear is in transmission connection with the driving motor through crown teeth.

In a preferred embodiment, a plurality of aeration pumps are arranged at the bottom of the aeration pipe, a cover plate is arranged at the top of the anaerobic tank, and the drain pipe is communicated with the inside of the absorption tank.

The utility model discloses a technological effect and advantage:

1. the driving turntable is utilized to drive the biological turntable to rotate, so that the biological active filler on the biological turntable is alternately contacted with air and sewage, a layer of biological film is formed on the surface of the biological film, the biological film is utilized to absorb dissolved oxygen in a water film outside the biological film, organic matters are decomposed, the sewage is continuously purified, the occupied area is small, the investment is low, complex equipment installation and maintenance are not needed, ammonia nitrogen pollutants in the sewage can be effectively removed, and the treatment effect of the ammonia nitrogen wastewater is improved;

2. through with first gear and first rotation axis fixed connection, the outside tooth of biological rotating disk is connected with first gear engagement, and when the drive carousel rotated, biological rotating disk can revolve around the second rotation axis through the second bearing for all bioactive fillers on the biological rotating disk can be continuous alternate between air and sewage, simultaneously, utilize biological rotating disk to carry out the revolution in the rotation simultaneously, make the biomembrane on the bioactive filler to sewage treatment's efficiency maximize.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the testing structure of the driving turntable of the present invention.

Fig. 3 is a schematic diagram of a detailed structure of the position a in fig. 1 according to the present invention.

Fig. 4 is a schematic structural diagram of the microorganism module of the present invention.

The reference signs are: 1 reaction tank body, 2 water inlet pipes, 3 water outlet pipes, 4 flocculation tanks, 5 inflation pipes, 6 air blowers, 7 microorganism treatment tanks, 8 microorganism components, 9 driving rotary tables, 10 sleeves, 11 first rotating shafts, 12 first gears, 13 biological rotary tables, 14 teeth, 15 bioactive fillers, 16 second rotating shafts, 17 first bearings, 18 second gears, 19 second bearings, 20 crown teeth, 21 driving motors, 22 fixing plates, 23 MRB tanks, 24 MBR components, 25 aeration pipes, 26 anaerobic tanks, 27 absorption tanks and 28 spherical suspended fillers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The MBR recycling system for nitrifying and denitrifying ammonia nitrogen wastewater comprises a reaction tank body 1, wherein a water inlet pipe 2 is arranged at the top of the reaction tank body 1, a water outlet pipe 3 is arranged on the side wall of the reaction tank body 1, the reaction tank body 1 comprises a flocculation tank 4, an inflation pipe 5 is arranged inside the flocculation tank 4, an air blower 6 is arranged at the top end of the inflation pipe 5, a microorganism treatment tank 7 is arranged on one side of the flocculation tank 4, and a microorganism component 8 is arranged inside the microorganism treatment tank 7;

the number of the microorganism components 8 is two, the microorganism components are symmetrically arranged inside the microorganism treatment tank 7, the microorganism components 8 comprise a driving turntable 9, a sleeve 10 is embedded in the middle of the driving turntable 9, a first rotating shaft 11 penetrates through the sleeve 10, a first gear 12 is arranged at the end of the first rotating shaft 11, biological turntables 13 are arranged on two sides of the first gear 12, teeth 14 are arranged at the outer edges of the biological turntables 13, a plurality of bioactive fillers 15 are embedded in the surface of the biological turntables 13, a second rotating shaft 16 is arranged on one side of the biological turntables 13, a first bearing 17 is arranged at the end of the second rotating shaft 16, a second gear 18 is arranged on the side wall of the driving turntable 9, a second bearing 19 is arranged inside the second gear 18, the second gear 18 is connected with crown teeth 20 in a meshing manner, and a driving motor 21 is arranged at the bottom of the crown teeth 20, the bottom of the driving motor 21 is provided with a fixing plate 22;

the microbial treatment pond 7 one side is equipped with MBR pond 23, MBR pond 23 inside is equipped with MBR subassembly 24, MRB subassembly bottom is equipped with aeration pipe 25, MBR pond 23 one side is equipped with anaerobism pond 26, anaerobism pond 26 one side is equipped with absorption tank 27, absorption tank 27 inner chamber is equipped with a plurality of ball-type suspension and packs 28.

The implementation mode is specifically as follows: when the device works, wastewater enters the flocculation tank 4 from the water inlet pipe 2, flocculates in the flocculation tank 4, adsorbs and absorbs impurities gathered by the wastewater, then enters the microbial treatment tank 7 through the electromagnetic valve, at the moment, the blower 6 works, generated air flow enters the bottom of the microbial treatment tank 7 from the air charging pipe 5 to stir the sewage in the microbial treatment tank 7, then the driving motor 21 works, the second gear 18 sleeved outside the first rotating shaft 11 is driven to rotate through the crown gear 20, because the second gear 18 is fixedly connected with the driving turntable 9, the driving turntable 9 is driven to rotate outside the sleeve 10 by the second gear 18, the driving turntable 13 rotates around the first rotating shaft 11, the biological rotating disc 13 on the side wall of the driving turntable 13 rotates around the first rotating shaft 11, and the biological active filler 15 on the biological rotating disc 13 is alternately contacted with air and sewage, after a period of time, a layer of biomembrane is attached, when the rotating biological disk 13 is rotated into sewage, the biomembrane adsorbs organic pollutants in the sewage, and absorbs dissolved oxygen in a water film outside the biomembrane to decompose organic matters, microorganisms can reproduce by themselves in the process, when the rotating biological disk 13 is rotated out of the sewage, the rotating biological disk is contacted with air, the air is continuously dissolved in the water film, the dissolved oxygen is increased, and the sewage is continuously evolved.

The system for recycling MBR (membrane bioreactor) for nitrifying and denitrifying ammonia nitrogen wastewater as shown in FIGS. 1-4 comprises a flocculation tank 4, a microbial treatment tank 7, an MBR tank 23, an anaerobic tank 26 and an absorption tank 27 which are sequentially communicated through electromagnetic valves, wherein an inflation tube 5 is arranged in a snake shape, the bottom end of the inflation tube 5 penetrates through the flocculation tank 4 and extends to the bottom of the microbial treatment tank 7, and the bottom end of the inflation tube 5 is arranged right below a microbial assembly 8;

the top of the driving turntable 9 is arranged at the top of the reaction tank body 1, the height of the driving turntable 9 arranged at the top of the reaction tank body 1 is the same as the diameter of the biological rotating disk 13, the first rotating shaft 11 and the fixing plate 22 are both fixedly connected with the inner wall of the microbial treatment tank 7, the driving turntable 9 is movably connected with the first rotating shaft 11 through a sleeve 10, the first bearing 17 is embedded on the side wall of the driving turntable 9, and the biological rotating disk 13 is movably connected with the driving turntable 9 through the first bearing 17 and the second rotating shaft 16;

the teeth 14 are engaged with the first gear 12, the first gear 12 is fixedly arranged at the end of the first rotating shaft 11, the second gear 18 is fixedly arranged on a side wall of the driving turntable 9 far away from the first gear 12, the second bearing 19 is sleeved on the outer wall of the first rotating shaft 11, the second gear 18 is movably connected with the first rotating shaft 11 through the second bearing 19, the driving motor 21 is fixedly connected with the microbial treatment tank 7 through a fixing plate 22, the second gear 18 is in transmission connection with the driving motor 21 through a crown gear 20, a plurality of aeration pumps are arranged at the bottom of the aeration pipe 25, a cover plate is arranged at the top of the anaerobic tank 26, and the water discharge pipe 3 is communicated with the interior of the absorption tank 27.

The implementation mode is specifically as follows: when the driving turntable 9 drives the biological rotating disk 13 to alternate between sewage and air, because the first gear 12 is fixedly connected with the first rotating shaft 11, the teeth 14 outside the biological rotating disk 13 are meshed with the first gear 12, when the driving turntable 9 rotates, the biological rotating disk 13 rotates around the second rotating shaft 16 through the second bearing 19, all the bioactive fillers 15 on the biological rotating disk 13 can continuously alternate between air and sewage, simultaneously, the biological rotating disk 13 revolves while rotating, the sewage treatment efficiency of a biological membrane on the bioactive fillers 15 is maximized, sewage purification is carried out, the sewage treated by the biological component enters the MBR tank 23 through an electromagnetic valve, the MBR component 24 further treats and purifies the sewage, then enters the anaerobic tank 26 for anaerobic treatment, and then enters the absorption tank 27, the ball-type floating packing 28 performs a final treatment on the contaminants and impurities remaining in the treated water source and then is discharged from the drain pipe 3.

The utility model discloses the theory of operation:

referring to the attached figures 1-4 of the specification: sewage enters into flocculation basin 4 from inlet tube 2 and flocculates, then enters into microbial treatment pond 7, utilize drive carousel 9 to drive biological rotating disk 13 and rotate, make biological activity filler 15 on biological rotating disk 13 contact with air and sewage alternately, utilize the biomembrane to absorb the meeting that sewage was gathered, purify waste water, sewage after the purification enters into MBR pond 23, utilize MBR subassembly 24 to carry out further processing to sewage, then enter into and carry out anaerobic treatment in the anaerobism pond 26, after 28 departments of filler of ball-type suspension at last, discharge from drain pipe 3.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel MBR (membrane bioreactor) recycling system for nitrifying and denitrifying ammonia nitrogen wastewater is characterized by comprising a reaction tank body (1), wherein a water inlet pipe (2) is arranged at the top of the reaction tank body (1), a water outlet pipe (3) is arranged on the side wall of the reaction tank body (1), the reaction tank body (1) comprises a flocculation tank (4), an inflation pipe (5) is arranged inside the flocculation tank (4), an air blower (6) is arranged at the top end of the inflation pipe (5), a microorganism treatment tank (7) is arranged on one side of the flocculation tank (4), and a microorganism component (8) is arranged inside the microorganism treatment tank (7);

the number of the microorganism components (8) is set to be two, the microorganism components are symmetrically arranged inside the microorganism treatment pool (7), the microorganism components (8) comprise a drive turntable (9), a sleeve (10) is embedded in the middle of the drive turntable (9), a first rotating shaft (11) penetrates through the sleeve (10), a first gear (12) is arranged at the end part of the first rotating shaft (11), biological turnplates (13) are arranged on two sides of the first gear (12), teeth (14) are arranged at the outer edge of each biological turnplate (13), a plurality of bioactive fillers (15) are embedded on the surface of each biological turnplate (13), a second rotating shaft (16) is arranged on one side of each biological turnplate (13), a first bearing (17) is arranged at the end part of each second rotating shaft (16), a second gear (18) is arranged on the side wall of the drive turntable (9), and a second bearing (19) is arranged inside each second gear (18), the second gear (18) is connected with a crown gear (20) in a meshed mode, a driving motor (21) is arranged at the bottom of the crown gear (20), and a fixing plate (22) is arranged at the bottom of the driving motor (21);

microbial treatment pond (7) one side is equipped with MBR pond (23), MBR pond (23) inside is equipped with MBR subassembly (24), MBR subassembly bottom is equipped with aeration pipe (25), MBR pond (23) one side is equipped with anaerobism pond (26), anaerobism pond (26) one side is equipped with absorption tank (27), absorption tank (27) inner chamber is equipped with a plurality of ball-type suspension and packs (28).

2. The MBR recycling system for the nitrification and denitrification of the ammonia nitrogen wastewater of claim 1 is characterized in that: the flocculation tank (4), the microorganism treatment tank (7), the MBR tank (23), the anaerobic tank (26) and the absorption tank (27) are communicated through electromagnetic valves in sequence.

3. The MBR recycling system for the nitrification and denitrification of the ammonia nitrogen wastewater of claim 1 is characterized in that: inflation tube (5) are snakelike setting, the bottom that flocculation basin (4) extended to microbiological treatment pond (7) is run through to inflation tube (5) bottom, inflation tube (5) bottom sets up under microbiological component (8).

4. The MBR recycling system for the nitrification and denitrification of the ammonia nitrogen wastewater of claim 1 is characterized in that: the top of drive carousel (9) sets up in the top of reaction cell body (1), drive carousel (9) set up in the diameter of the height at reaction cell body (1) top and biological rotating disk (13) the same, first rotation axis (11) and fixed plate (22) all with microbiological treatment pond (7) inner wall fixed connection, drive carousel (9) are through sleeve pipe (10) and first rotation axis (11) swing joint, first bearing (17) are inlayed and are located on the lateral wall of drive carousel (9), biological rotating disk (13) are through first bearing (17) and second rotation axis (16) and drive carousel (9) swing joint.

5. The MBR recycling system for the nitrification and denitrification of the ammonia nitrogen wastewater of claim 1 is characterized in that: the teeth (14) are meshed with the first gear (12), the first gear (12) is fixedly arranged at the end part of the first rotating shaft (11), and the second gear (18) is fixedly arranged on one side wall, far away from the first gear (12), of the driving turntable (9).

6. The MBR recycling system for the nitrification and denitrification of the ammonia nitrogen wastewater of claim 1 is characterized in that: the second bearing (19) is sleeved on the outer wall of the first rotating shaft (11), and the second gear (18) is movably connected with the first rotating shaft (11) through the second bearing (19).

7. The MBR recycling system for the nitrification and denitrification of the ammonia nitrogen wastewater of claim 1 is characterized in that: the driving motor (21) is fixedly connected with the microorganism treatment pool (7) through a fixing plate (22), and the second gear (18) is in transmission connection with the driving motor (21) through a crown gear (20).

8. The MBR recycling system for the nitrification and denitrification of the ammonia nitrogen wastewater of claim 1 is characterized in that: the bottom of the aeration pipe (25) is provided with a plurality of aeration pumps, the top of the anaerobic tank (26) is provided with a cover plate, and the drain pipe (3) is communicated with the inside of the absorption tank (27).