CN213680273U - Sewage denitrification and dephosphorization device - Google Patents
Sewage denitrification and dephosphorization device Download PDFInfo
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- CN213680273U CN213680273U CN202022279369.4U CN202022279369U CN213680273U CN 213680273 U CN213680273 U CN 213680273U CN 202022279369 U CN202022279369 U CN 202022279369U CN 213680273 U CN213680273 U CN 213680273U
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Abstract
The utility model discloses a sewage denitrification and dephosphorization device, which relates to the field of sewage treatment equipment and comprises a floater cleaning device, a first anaerobic reactor, a first aerobic reactor, a second anaerobic reactor, a second aerobic reactor, a sedimentation tank and a plurality of pipelines, wherein the first anaerobic reactor is arranged at the side of the floater cleaning device, the first aerobic reactor is arranged at the side of the first anaerobic reactor through the pipeline, a first stirring device is arranged in the first anaerobic reactor, one end of the first anaerobic reactor is provided with the aerobic reaction tank, the aerobic reaction tank is communicated with the first anaerobic reactor through the pipeline, the second anaerobic reactor is arranged at the side of the aerobic reaction tank, the second aerobic reactor is communicated with the second aerobic reactor through the pipeline, the sedimentation tank is communicated with the second aerobic reactor through the pipeline, the aerobic reaction tank is provided with a second stirring device. The utility model discloses can realize the denitrogenation dephosphorization to sewage and handle.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to a sewage denitrogenation dephosphorization device.
Background
The urban sewage contains a large amount of nitrogen and phosphorus pollutants, and after the sewage is discharged into slow-flow water bodies such as lakes, reservoirs, estuaries, gulfs and the like, nitrogen and phosphorus are gradually accumulated, so that aquatic organisms, particularly algae, are propagated in a large amount, and finally, the ecological balance of the water body is seriously damaged, namely, the phenomenon of eutrophication occurs. Eutrophication not only damages the original ecological system of the water body, but also causes great economic loss to fishery, breeding industry and the like, and even harms human health in serious cases. In order to effectively inhibit water eutrophication, more and more countries and regions set strict nitrogen and phosphorus emission standards. However, in the traditional sewage treatment process, because of the contradiction of carbon source requirements between denitrification and dephosphorization, the concentrations of nitrogen and phosphorus in effluent are difficult to reach the standard at the same time, so that the denitrification and dephosphorization of sewage become hot spots and difficulties in the field of sewage treatment.
The sewage treatment plant of high-efficient nitrogen and phosphorus removal of prior publication No. CN210261285U includes: short distance nitration denitrification reactor, A2O reactor, first sedimentation tank, back flow, MBBR reactor and second sedimentation tank, the utility model is not only simple in structure, and can effectually get rid of nitrogen and phosphorus in the sewage, the dephosphorization removes nitrogen effectually.
However, the conventional apparatus has problems in that firstly, floaters and impurities in the sewage cannot be cleaned before the sewage is treated, which affects the subsequent denitrification and dephosphorization effects, and secondly, the denitrification and dephosphorization effects on the sewage are not good.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a sewage denitrification and dephosphorization device, which solves the problem that the effect is not good in the prior art that floaters and impurities in sewage can not be cleaned and the sewage denitrification and dephosphorization are carried out.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a sewage denitrification and dephosphorization device comprises a floater cleaning device, a first anaerobic reactor, a first aerobic reactor, a second anaerobic reactor, a second aerobic reactor, a sedimentation tank and a plurality of pipelines, wherein the floater cleaning device is horizontally arranged, the first anaerobic reactor is arranged beside the floater cleaning device and is communicated with the floater cleaning device through the pipelines, the first aerobic reactor is arranged beside the first anaerobic reactor through the pipelines, a first stirring device is arranged in the first anaerobic reactor, one end of the first anaerobic reactor is provided with an aerobic reaction tank, the aerobic reaction tank is communicated with the first anaerobic reactor through the pipelines, the second anaerobic reactor is arranged beside the aerobic reaction tank and is communicated with the second aerobic reactor through the pipelines, the sedimentation tank is communicated with a second aerobic reactor through a pipeline, the aerobic reaction tank is provided with a second stirring device, and the sedimentation tank is provided with a water outlet pipe.
Preferably, the floating object cleaning device comprises a cleaning pool, a cleaning grid plate and two driving pieces, the cleaning pools are horizontally arranged, the two driving pieces are symmetrically arranged on the cleaning pools, each cleaning pool comprises a driving motor, a driving shaft, two first driving wheel seats, two second driving wheel seats and two connecting ropes, the driving motors are arranged on the side wall of the cleaning pool, the two first driving wheel seats are symmetrically arranged on the side wall of the cleaning pool, the drive shaft rotates with two first driving wheel seats to be connected and the one end of drive shaft and driving motor's main shaft fixed connection, two second driving wheel seat symmetry sets up at the top in clearance pond, two connect the one end of rope and respectively with two first driving wheel seat fixed connection, two connect the one end and the clearance waffle slab fixed connection of rope, two connect the rope and pass two second driving wheel seats.
Preferably, the first stirring device comprises a first stirring motor, a first stirring shaft and a plurality of first stirring rods, the first stirring motor is arranged at the top of the first anaerobic reactor, the main shaft of the first stirring motor is vertically arranged downwards, the top of the first stirring shaft is fixedly connected with the main shaft of the first stirring motor, and the first stirring rods are arranged on the first stirring shaft at equal intervals.
Preferably, the second agitating unit includes second agitator motor, first gear, two second gears, two second (mixing) shafts and a plurality of second puddlers, second agitator motor sets up on the lateral wall of aerobic reaction pond, first gear setting is on second agitator motor's main shaft, two the (mixing) shaft symmetry sets up on aerobic reaction pond and rotates with aerobic reaction pond and be connected, two the second gear symmetry sets up on first gear, first gear and two second gear engagement, it is a plurality of the equidistant setting of second puddler is on two second (mixing) shafts.
Preferably, a return pipe is arranged between the first aerobic reactor and the aerobic reaction tank, and a return pump is arranged on the return pipe.
Preferably, a first water suction pump is arranged on a pipeline between the cleaning pool and the first anaerobic reactor, and a second water suction pump is arranged on a pipeline between the aerobic reaction pool and the second anaerobic reactor.
Compared with the prior art, the beneficial effects of the utility model reside in that:
firstly, before sewage is treated, a floater cleaning device works to clean floaters in the sewage, the floaters in the sewage are fished out to be beneficial to subsequent denitrification and dephosphorization work, the sewage enters a first anaerobic reactor, is mixed with sewage subjected to nitrification reaction and returned sludge subjected to aerobic phosphorus absorption and standing, denitrification reaction and anaerobic phosphorus release are generated in the first anaerobic reactor, mixed liquid treated by the first anaerobic reactor enters an aerobic reaction tank, BOD (biochemical oxygen demand) removal and nitrification action and a small part of aerobic phosphorus absorption are mainly performed in the aerobic reaction tank, then the sewage enters a second anaerobic reactor to initiate denitrification and anaerobic phosphorus release, and nitrogen elements are removed mainly by denitrification. Then enters a second aerobic reactor, mainly has the function of absorbing phosphorus, secondly has the function of nitrification and has certain function of removing BOD, and the first stirring device and the second stirring device work to accelerate the speed of denitrification and dephosphorization when denitrification and dephosphorization are carried out.
Two, when clearing up the floater, driving motor work drives two drive shafts and rotates on two first drive wheel seats, and two first drive wheel seats rotate and rotate on two second drive wheel seats through two connection ropes, drive the clearance waffle slab and reciprocate on the clearance pond, clear up floater and impurity in the pond sewage in the clearance pond, prevent that when subsequent handling sewage, there are impurity and floater's existence, influence the effect of denitrogenation dephosphorization.
Its third, the work of second agitator motor drives first gear revolve, thereby two second gear revolutions drive two second (mixing) shafts of first gear revolve and rotate on good oxygen reaction tank, and two second (mixing) shafts rotate and drive a plurality of second puddlers and rotate, and a plurality of second puddlers rotate and stir the operation to the sewage in the good oxygen reaction tank, can improve BOD's the speed of getting rid of with the nitration, can accelerate the effect that the denitrogenation removed phosphorus.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic perspective view of the floating object cleaning device of the present invention;
fig. 4 is a schematic perspective view of a first stirring device of the present invention;
fig. 5 is a schematic perspective view of a second stirring device according to the present invention;
in the figure:
the device comprises a floater cleaning device 1, a cleaning pool 11, a cleaning grid plate 12, a driving piece 13, a driving motor 131, a driving shaft 132, a first driving wheel seat 133, a second driving wheel seat 134, a connecting rope 135, a first anaerobic reactor 2, a first aerobic reactor 3, a second anaerobic reactor 4, a second aerobic reactor 5, a sedimentation pool 6, a pipeline 7, an aerobic reaction pool 8, a first stirring device 9, a first stirring motor 91, a first stirring shaft 92, a first stirring rod 93f, a second stirring device 10, a second stirring motor 101, a first gear 102, a second gear 103, a second stirring shaft 104, a second stirring rod 105, a return pipe 14, a return pump 15, a first water pump 16 and a second water pump 17.
Detailed Description
The present invention will be further described with reference to the accompanying drawings 1 to 5 and the following detailed description: a sewage denitrification and dephosphorization device comprises a floater cleaning device 1, a first anaerobic reactor 2, a first aerobic reactor 3, a second anaerobic reactor 4, a second aerobic reactor 5, a sedimentation tank 6 and a plurality of pipelines 7, wherein the floater cleaning device 1 is horizontally arranged, the first anaerobic reactor 2 is arranged beside the floater cleaning device 1, the first anaerobic reactor 2 is communicated with the floater cleaning device 1 through the pipeline 7, the first aerobic reactor 3 is arranged beside the first anaerobic reactor 2 through the pipeline 7, a first stirring device 9 is arranged in the first anaerobic reactor 2, one end of the first anaerobic reactor 2 is provided with an aerobic reaction tank 8, the aerobic reaction tank 8 is communicated with the first anaerobic reactor 2 through the pipeline 7, the second anaerobic reactor 4 is arranged beside the aerobic reaction tank 8 and is communicated with the aerobic reaction tank 7, the second aerobic reactor 5 is communicated with the second aerobic reactor 5 through a pipeline 7, the sedimentation tank 6 is communicated with the second aerobic reactor 5 through a pipeline 7, the aerobic reaction tank 8 is provided with a second stirring device 10, and the sedimentation tank 6 is provided with a water outlet pipe; the water outlet pipe is used for discharging treated water outwards, before sewage is treated, the floater cleaning device 1 works to clean floaters in the sewage, the floaters in the sewage are fished out to be beneficial to subsequent denitrification and dephosphorization work, the sewage enters the first anaerobic reactor 2 to be mixed with sewage which flows back by the first aerobic reactor 3 and is subjected to nitrification reaction and returned sludge which is kept still after aerobic phosphorus absorption, denitrification reaction and anaerobic phosphorus release are generated in the first anaerobic reactor 2, the mixed liquid treated by the first anaerobic reactor 2 enters the aerobic reaction tank 8, BOD removal and nitrification are mainly performed in the aerobic reaction tank 8, a small part of aerobic phosphorus absorption is mainly performed, then the sewage enters the second anaerobic reactor 4 to initiate denitrification and anaerobic phosphorus release, and nitrogen elements are mainly removed by denitrification. Then enters a second aerobic reactor 5, mainly has the functions of absorbing phosphorus and secondly has the function of nitrification and has certain BOD removing function, and the first stirring device 9 and the second stirring device 10 work to accelerate the speed of denitrification and dephosphorization when denitrification and dephosphorization are carried out.
Specifically, the floating object cleaning device 1 includes a cleaning pool 11, a cleaning grid plate 12 and two driving members 13, the cleaning pool 11 is horizontally disposed, the two driving members 13 are symmetrically disposed on the cleaning pool 11, each cleaning pool 11 includes a driving motor 131, a driving shaft 132, two first driving wheel seats 133, two second driving wheel seats 134 and two connecting ropes 135, the driving motor 131 is disposed on a side wall of the cleaning pool 11, the two first driving wheel seats 133 are symmetrically disposed on a side wall of the cleaning pool 11, the driving shaft 132 is rotatably connected to the two first driving wheel seats 133, one end of the driving shaft 132 is fixedly connected to a main shaft of the driving motor 131, the two second driving wheel seats 134 are symmetrically disposed on a top of the cleaning pool 11, one end of the two connecting ropes 135 is fixedly connected to the two first driving wheel seats 133, one end of the two connecting ropes 135 is fixedly connected to the cleaning grid plate 12, the two connecting ropes 135 pass through the two second driving wheel seats 134; when clearing up the floater, driving motor 131 works and drives two drive shafts 132 and rotate on two first drive wheel seats 133, two first drive wheel seats 133 rotate and rotate on two second drive wheel seats 134 through two connecting ropes 135, drive clearance waffle slab 12 and reciprocate on clearance pond 11, clear up floater and impurity in the sewage in clearance pond 11, prevent that in the follow-up when handling sewage, there are impurity and floater's existence, influence the effect of denitrogenation dephosphorization.
Specifically, the first stirring device 9 includes a first stirring motor 91, a first stirring shaft 92 and a plurality of first stirring rods 93, the first stirring motor 91 is disposed at the top of the first anaerobic reactor 2, a main shaft of the first stirring motor 91 is disposed vertically downward, the top of the first stirring shaft 92 is fixedly connected with the main shaft of the first stirring motor 91, and the plurality of first stirring rods 93 are disposed on the first stirring shaft 92 at equal intervals; when the denitrification is performed with the dephosphorization, the first stirring motor 91 works to drive the first stirring shaft 92 to rotate, the first stirring shaft 92 rotates to drive the first stirring rods 93 to rotate, and the first stirring rods 93 rotate to accelerate the denitrification and dephosphorization effect.
Specifically, the second stirring device 10 includes a second stirring motor 101, a first gear 102, two second gears 103, two second stirring shafts 104 and a plurality of second stirring rods 105, the second stirring motor 101 is disposed on a side wall of the aerobic reaction tank 8, the first gear 102 is disposed on a main shaft of the second stirring motor 101, the two stirring shafts are symmetrically disposed on the aerobic reaction tank 8 and rotatably connected with the aerobic reaction tank 8, the two second gears 103 are symmetrically disposed on the first gear 102, the first gear 102 is engaged with the two second gears 103, and the plurality of second stirring rods 105 are disposed on the two second stirring shafts 104 at equal intervals; second agitator motor 101 work drives first gear 102 and rotates, thereby first gear 102 rotates two second gears 103 and rotates and drive two second (mixing) shafts 104 and rotate on aerobic reaction pond 8, two second (mixing) shafts 104 rotate and drive a plurality of second puddler 105 and rotate, a plurality of second puddlers 105 rotate and stir the operation to the sewage in the aerobic reaction pond 8, can improve BOD's the speed of getting rid of with the nitrification, can accelerate the effect of denitrogenation dephosphorization.
Specifically, a return pipe 14 is arranged between the first aerobic reactor 3 and the aerobic reaction tank 8, and a return pump 15 is arranged on the return pipe 14; when the sewage is subjected to secondary denitrification and dephosphorization, the reflux pump 15 works to convey the water in the aerobic reaction tank 8 to the first aerobic reactor 3, so that the sewage is treated again, and the denitrification and dephosphorization effects are improved.
Specifically, a first water pump 16 is arranged on the pipeline 7 between the cleaning tank 11 and the first anaerobic reactor 2, and a second water pump 17 is arranged on the pipeline 7 between the aerobic reaction tank 8 and the second anaerobic reactor 4; the first water pump 16 can be operated to convey the water in the cleaning tank 11 to the first anaerobic reactor 2, and the second water pump 17 can be operated to convey the sewage in the aerobic reaction tank 8 to the second anaerobic reactor 4 to perform denitrification and dephosphorization treatment on the sewage.
Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a sewage denitrogenation removes phosphorus device which characterized in that: comprises a floating object cleaning device (1), a first anaerobic reactor (2), a first aerobic reactor (3), a second anaerobic reactor (4), a second aerobic reactor (5), a sedimentation tank (6) and a plurality of pipelines (7), wherein the floating object cleaning device (1) is horizontally arranged, the first anaerobic reactor (2) is arranged at the side of the floating object cleaning device (1), the first anaerobic reactor (2) is communicated with the floating object cleaning device (1) through the pipeline (7), the first aerobic reactor (3) is arranged at the side of the first anaerobic reactor (2) through the pipeline (7), a first stirring device (9) is arranged in the first anaerobic reactor (2), one end of the first anaerobic reactor (2) is provided with an aerobic reaction tank (8), the aerobic reaction tank (8) is communicated with the first anaerobic reactor (2) through the pipeline (7), second anaerobic reactor (4) set up the side in aerobic reaction pond (8) and be linked together through pipeline (7), second aerobic reactor (5) are linked together through pipeline (7) and second aerobic reactor (5), sedimentation tank (6) are linked together through pipeline (7) and second aerobic reactor (5), aerobic reaction pond (8) are equipped with second agitating unit (10), be equipped with the outlet pipe on sedimentation tank (6).
2. The denitrification and dephosphorization apparatus for sewage according to claim 1, wherein: the floating object cleaning device (1) comprises a cleaning pool (11), a cleaning grid plate (12) and two driving pieces (13), wherein the cleaning pool (11) is horizontally arranged, the two driving pieces (13) are symmetrically arranged on the cleaning pool (11), each cleaning pool (11) comprises a driving motor (131), a driving shaft (132), two first driving wheel seats (133), two second driving wheel seats (134) and two connecting ropes (135), the driving motors (131) are arranged on the side wall of the cleaning pool (11), the two first driving wheel seats (133) are symmetrically arranged on the side wall of the cleaning pool (11), the driving shaft (132) is rotatably connected with the two first driving wheel seats (133), one end of the driving shaft (132) is fixedly connected with a main shaft of the driving motor (131), the two second driving wheel seats (134) are symmetrically arranged at the top of the cleaning pool (11), two the one end of connecting rope (135) with respectively with two first driving wheel seats (133) fixed connection, two the one end and the clearance grid board (12) fixed connection of connecting rope (135) are two connect rope (135) and pass two second driving wheel seats (134).
3. The denitrification and dephosphorization apparatus for sewage according to claim 1, wherein: first agitating unit (9) include first agitator motor (91), first (mixing) shaft (92) and a plurality of first puddler (93), first agitator motor (91) set up at the top of first anaerobic reactor (2) and the vertical downward setting of main shaft of first agitator motor (91), the top of first (mixing) shaft (92) and the main shaft fixed connection of first agitator motor (91), a plurality of first puddler (93) equidistant setting are on first (mixing) shaft (92).
4. The denitrification and dephosphorization apparatus for sewage according to claim 1, wherein: second agitating unit (10) include second agitator motor (101), first gear (102), two second gears (103), two second (mixing) shafts (104) and a plurality of second puddler (105), second agitator motor (101) set up on the lateral wall of aerobic reaction pond (8), first gear (102) set up on the main shaft of second agitator motor (101), two the (mixing) shaft symmetry sets up on aerobic reaction pond (8) and rotates with aerobic reaction pond (8) and be connected, two second gear (103) symmetry sets up on first gear (102), first gear (102) and two second gear (103) meshing, it is a plurality of second puddler (105) equidistant setting is on two second (mixing) shafts (104).
5. The denitrification and dephosphorization apparatus for sewage according to claim 1, wherein: a return pipe (14) is arranged between the first aerobic reactor (3) and the aerobic reaction tank (8), and a return pump (15) is arranged on the return pipe (14).
6. The denitrification and dephosphorization apparatus for sewage according to claim 2, wherein: be equipped with first suction pump (16) on pipeline (7) between clearance pond (11) and first anaerobic reactor (2), be equipped with second suction pump (17) on pipeline (7) between aerobic reaction pond (8) and second anaerobic reactor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279369.4U CN213680273U (en) | 2020-10-13 | 2020-10-13 | Sewage denitrification and dephosphorization device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022279369.4U CN213680273U (en) | 2020-10-13 | 2020-10-13 | Sewage denitrification and dephosphorization device |
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| CN213680273U true CN213680273U (en) | 2021-07-13 |
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| CN202022279369.4U Active CN213680273U (en) | 2020-10-13 | 2020-10-13 | Sewage denitrification and dephosphorization device |
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