CN209974413U

CN209974413U - Municipal sewage nitrogen and phosphorus removal purifying equipment

Info

Publication number: CN209974413U
Application number: CN201920423244.9U
Authority: CN
Inventors: 丘意
Original assignee: Beijing Shanheyuan Environmental Technology Co Ltd
Current assignee: Beijing Shanheyuan Environmental Technology Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-21
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a municipal sewage denitrification and dephosphorization purifying device, which comprises a base, wherein an anaerobic tank, an anoxic tank and an aerobic tank are fixedly arranged on the top end of the base from left to right in sequence, waterproof driving motors are fixedly arranged at the bottom ends of the anaerobic tank, the anoxic tank and the aerobic tank, stirring shafts are fixedly arranged on output shafts of the three driving motors, and the surfaces of the stirring shafts in the anoxic tank and the aerobic tank are both sleeved with L-shaped scraping plates, the utility model relates to a device for removing nitrogen and phosphorus from urban sewage, the microorganism in the sewage is reacted to release the ammonium phosphide through the arranged anaerobic tank, the deamination is carried out to generate nitrogen for recycling through the arranged anoxic reaction tank, the aerobic reaction tank is arranged to nitrify and absorb phosphorus to complete nitrogen and phosphorus removal, and the oxygen concentration detectors arranged on the outer walls of the anoxic tank and the aerobic tank effectively detect the oxygen concentration in the anoxic tank and the aerobic tank.

Description

Municipal sewage nitrogen and phosphorus removal purifying equipment

Technical Field

The utility model relates to a clarification plant, in particular to a municipal sewage nitrogen and phosphorus removal clarification plant.

Background

The sewage treatment is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The existing sewage has the following defects in the process of nitrogen and phosphorus removal, and 1, the generated nitrogen is not recycled, so that the resource waste is caused; 2. in the process of denitrification and dephosphorization, the oxygen concentration in the anoxic pond and the aerobic pond is not detected, so that the reaction of microorganisms in the sewage is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an urban sewage nitrogen and phosphorus removal clarification plant to solve the current sewage that proposes in the above-mentioned background art and do not retrieve the nitrogen gas that produces and do not have the problem to the detection of oxygen deficiency pond and the inside oxygen concentration of good oxygen pond at the in-process of nitrogen and phosphorus removal.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an urban sewage nitrogen and phosphorus removal and purification equipment, includes the base, there are anaerobism pond, oxygen deficiency pond and good oxygen pond in proper order fixed mounting on the top of base from a left side to the right side, the equal fixed mounting in bottom of anaerobism pond, oxygen deficiency pond and good oxygen pond has waterproof type's driving motor, three the equal fixed mounting of driving motor's output shaft has the (mixing) shaft, just the surface of the inside (mixing) shaft of oxygen deficiency pond and good oxygen pond all overlaps and is equipped with L type scraper blade, the equal fixed mounting in inside of anaerobism pond, oxygen deficiency pond and good oxygen pond has the water pump, the play water end of the water pump of anaerobism pond internally mounted communicates through the inside of pipe and oxygen deficiency pond, the play water end of the water pump of oxygen deficiency pond internally mounted communicates through the inside of pipe and good oxygen pond, the play water end of the water pump of good oxygen pond internally mounted and the, the inside interlude of inlet is connected with the feed liquor pipe, the nitrogen outlet has been seted up on the top in anaerobism pond, just the inside interlude of nitrogen outlet is connected with the nitrogen gas recovery tube, one side in anaerobism pond is equipped with the aspiration pump with base fixed connection, the inlet end of aspiration pump and the one end fixed connection of aspiration tube, the other end and the anaerobism pond inside intercommunication of aspiration tube, one side in good oxygen pond is equipped with the oxygen jar with base fixed connection, the end of giving vent to anger of oxygen jar and the one end fixed connection of gas-supply pipe, the other end and the good oxygen pond inside intercommunication of gas-supply pipe.

As a preferred technical scheme of the utility model, the equal fixed mounting in inside of feed liquor pipe, drain pipe, nitrogen gas recovery pipe, exhaust tube and gas-supply pipe has the solenoid valve.

As an optimized technical scheme of the utility model, the equal fixed mounting of outer wall in oxygen deficiency pond and good oxygen pond has oxygen concentration detector, and two the bottom of the pool in oxygen deficiency pond and good oxygen pond is arranged respectively in oxygen concentration detector's inspection end.

As a preferred technical scheme of the utility model, the junction fixed mounting of anaerobism pond and feed liquor pipe has U type filter screen, just miscellaneous mouthful have been seted up to the inner wall in anaerobism pond, the inside fixed mounting of miscellaneous mouthful has sealed piece.

As a preferred technical scheme of the utility model, one side fixed mounting of base has flush mounting plate of switch, flush mounting plate of switch's surface is installed aspiration pump control switch, oxygen concentration detector control switch, driving motor control switch, water pump control switch and solenoid valve control switch respectively, aspiration pump, oxygen concentration detector, driving motor, water pump and solenoid valve are respectively through aspiration pump control switch, oxygen concentration detector control switch, driving motor control switch, water pump control switch and solenoid valve control switch and external power supply electric connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the method comprises the following steps that (1) through an arranged anaerobic tank, microorganisms in sewage react to release ammonium phosphide, through an arranged anoxic reaction tank, deamination is carried out to generate nitrogen for recycling, and through an arranged aerobic reaction tank, phosphorus is nitrified and absorbed to complete nitrogen and phosphorus removal;

2. the oxygen concentration detectors arranged on the outer walls of the anoxic tank and the aerobic tank effectively detect the oxygen concentration in the anoxic tank and the aerobic tank;

3. through the L-shaped scraper plates arranged in the anoxic pond and the aerobic pond in a sleeved mode, sludge adhered to the inner walls of the anoxic pond and the aerobic pond is effectively scraped.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a base; 2. an anaerobic tank; 3. an anoxic tank; 4. an aerobic tank; 5. a liquid inlet pipe; 6. an air pump; 7. a nitrogen recovery pipe; 8. an oxygen concentration detector; 9. an oxygen tank; 10. a liquid outlet pipe; 11. a U-shaped filter screen; 12. a sundry outlet; 13. a drive motor; 14. a water pump; 15. a stirring shaft; 16. an electromagnetic valve; 17. an L-shaped scraper plate; 18. an air exhaust pipe; 19. a gas delivery pipe; 20. a switch panel.

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.

Referring to fig. 1-2, the utility model provides a city sewage denitrification and dephosphorization purifying device, which comprises a base 1, wherein an anaerobic tank 2, an anoxic tank 3 and an aerobic tank 4 are fixedly arranged on the top end of the base 1 from left to right in sequence, waterproof driving motors 13 are fixedly arranged at the bottom ends of the interiors of the anaerobic tank 2, the anoxic tank 3 and the aerobic tank 4, stirring shafts 15 are fixedly arranged on output shafts of the three driving motors 13, L-shaped scraping plates 17 are sleeved on the surfaces of the stirring shafts 15 of the interiors of the anoxic tank 3 and the aerobic tank 4, water pumps 14 are fixedly arranged in the interiors of the anaerobic tank 2, the anoxic tank 3 and the aerobic tank 4, a water outlet end of the water pump 14 arranged in the anaerobic tank 2 is communicated with the interior of the anoxic tank 3 through a guide pipe, a water outlet end of the water pump 14 arranged in the anoxic tank 3 is communicated with the interior of the aerobic tank 4 through a guide pipe, a water outlet end of the water pump 14 arranged in the aerobic tank, the inlet has been seted up to one side of anaerobism pond 2, the inside of inlet alternates and is connected with feed liquor pipe 5, the nitrogen outlet has been seted up on the top of anaerobism pond 2, and the inside of nitrogen outlet alternates and is connected with nitrogen gas recovery tube 7, one side of anaerobism pond 2 is equipped with aspiration pump 6 with base 1 fixed connection, the inlet end of aspiration pump 6 and the one end fixed connection of aspiration tube 18, the other end and the inside intercommunication of anaerobism pond 2 of aspiration tube 18, one side of good oxygen pond 4 is equipped with the oxygen jar 9 with base 1 fixed connection, the end of giving vent to anger of oxygen jar 9 and the one end fixed connection of gas-supply pipe 19, the other end and the inside intercommunication of good oxygen pond 4 of gas.

Preferably, the electromagnetic valves 16 are fixedly installed inside the liquid inlet pipe 5, the liquid outlet pipe 10, the nitrogen recovery pipe 7, the air exhaust pipe 18 and the air pipe 19, and the smoothness and the closure of the liquid inlet pipe 5, the liquid outlet pipe 10, the nitrogen recovery pipe 7, the air exhaust pipe 18 and the air pipe 19 are conveniently controlled through the installed electromagnetic valves 16.

Preferably, the outer walls of the anoxic tank 3 and the aerobic tank 4 are fixedly provided with oxygen concentration detectors 8, the detection ends of the two oxygen concentration detectors 8 are respectively arranged at the bottoms of the anoxic tank 3 and the aerobic tank 4, and the oxygen concentrations of the anoxic tank 3 and the aerobic tank 4 can be conveniently detected by installing the oxygen concentration detectors 8.

Preferably, a U-shaped filter screen 11 is fixedly installed at the joint of the anaerobic tank 2 and the liquid inlet pipe 5, a sundry outlet 12 is formed in the inner wall of the anaerobic tank 2, a sealing block is fixedly installed inside the sundry outlet 12, and filtered sundries can be conveniently cleaned out of the interior of the anaerobic tank 2 through the sundry outlet 12.

Preferably, a switch panel 20 is fixedly installed on one side of the base 1, an air pump control switch, an oxygen concentration detector control switch, a driving motor control switch, a water pump control switch and an electromagnetic valve control switch are respectively installed on the surface of the switch panel 20, and the air pump 6, the oxygen concentration detector 8, the driving motor 13, the water pump 14 and the electromagnetic valve 16 are respectively electrically connected with an external power supply through the air pump control switch, the oxygen concentration detector control switch, the driving motor control switch, the water pump control switch and the electromagnetic valve control switch.

When the urban sewage denitrification and dephosphorization purifying equipment is used, when the urban sewage denitrification and dephosphorization purifying equipment is required to be used, firstly, sewage enters the anaerobic tank 2 from the liquid inlet pipe 5, when the sewage enters the anaerobic tank 2, impurities in sewage are effectively removed through the U-shaped filter screen 11 installed on the inner wall, after the sewage enters the anaerobic tank 2, the driving motor 13 is opened through the driving motor control switch, the stirring shaft 15 is driven to rotate through the rotation of the driving motor 13, microorganisms in the sewage fully react under the anaerobic environment to release ammonium phosphide through the rotation of the stirring shaft 15, then the air pump 6 is opened, gas in the anaerobic tank 3 is pumped out through the air pump 6, meanwhile, the oxygen concentration detector 8 with the model of 'BH-4A' is opened, the anaerobic state in the anaerobic tank 3 is ensured, then the water pump 14 in the anaerobic tank 2 is opened, sewage suction after 2 reactions of anaerobism ponds to oxygen deficiency pond 3 through water pump 14, through the inside oxygen deficiency environment of oxygen deficiency pond 3, make the microbial reaction in the sewage give birth to and deaminate, produce nitrogen gas simultaneously and carry out nitrogen gas recovery through retrieving nitrogen gas recovery pipe 7, open the inside water pump 14 of oxygen deficiency pond 3 after that, through water pump 14 with the inside sewage suction of oxygen deficiency pond 3 to good oxygen pond 4, after that with the inside oxygen of oxygen jar 9 and good oxygen pond 4 intercommunication, guarantee the oxygen volume of good oxygen pond 4, at the inside nitric acid that adds of good oxygen pond 4 simultaneously, nitrify the absorption phosphorus through the nitric acid that adds, accomplish the dephosphorization, thereby accomplish sewage nitrogen and phosphorus removal and purification.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an urban sewage nitrogen and phosphorus removal and purification equipment, includes base (1), its characterized in that, there are anaerobism pond (2), oxygen deficiency pond (3) and good oxygen pond (4) on the top of base (1) from a left side to the right side in proper order fixed mounting, the equal fixed mounting in bottom of anaerobism pond (2), oxygen deficiency pond (3) and good oxygen pond (4) inside has waterproof type driving motor (13), three the equal fixed mounting in output shaft of driving motor (13) has (mixing) shaft (15), just the surface of the inside (mixing) shaft (15) of oxygen deficiency pond (3) and good oxygen pond (4) all overlaps and is equipped with L type scraper blade (17), the equal fixed mounting in inside of anaerobism pond (2), oxygen deficiency pond (3) and good oxygen pond (4) has water pump (14), the play water end of the water pump (14) of anaerobism pond (2) internally mounted passes through the inside intercommunication of pipe with oxygen deficiency, the water outlet end of a water pump (14) arranged inside the anoxic pond (3) is communicated with the inside of the aerobic pond (4) through a guide pipe, the water outlet end of the water pump (14) arranged inside the aerobic pond (4) is fixedly connected with one end of a liquid outlet pipe (10), one side of the anaerobic pond (2) is provided with a liquid inlet, the inside of the liquid inlet is alternately connected with a liquid inlet pipe (5), the top end of the anaerobic pond (2) is provided with a nitrogen outlet, the inside of the nitrogen outlet is alternately connected with a nitrogen recovery pipe (7), one side of the anaerobic pond (2) is provided with an air suction pump (6) fixedly connected with the base (1), the air inlet end of the air suction pump (6) is fixedly connected with one end of an air suction pipe (18), the other end of the air suction pipe (18) is communicated with the inside of the anaerobic pond (2), one side of the aerobic pond (4) is provided with an oxygen tank (9) fixedly connected with the base, the air outlet end of the oxygen tank (9) is fixedly connected with one end of an air delivery pipe (19), and the other end of the air delivery pipe (19) is communicated with the interior of the aerobic pool (4).

2. The municipal sewage nitrogen and phosphorus removal purification apparatus according to claim 1, wherein: the inside of the liquid inlet pipe (5), the liquid outlet pipe (10), the nitrogen recovery pipe (7), the air exhaust pipe (18) and the gas transmission pipe (19) are all fixedly provided with electromagnetic valves (16).

3. The municipal sewage nitrogen and phosphorus removal purification apparatus according to claim 2, wherein: the outer walls of the anoxic tank (3) and the aerobic tank (4) are fixedly provided with oxygen concentration detectors (8), and the inspection ends of the oxygen concentration detectors (8) are respectively arranged at the bottoms of the anoxic tank (3) and the aerobic tank (4).

4. The municipal sewage nitrogen and phosphorus removal purification apparatus according to claim 1, wherein: a U-shaped filter screen (11) is fixedly installed at the joint of the anaerobic tank (2) and the liquid inlet pipe (5), a sundry outlet (12) is formed in the inner wall of the anaerobic tank (2), and a sealing block is fixedly installed inside the sundry outlet (12).

5. The municipal sewage nitrogen and phosphorus removal purification apparatus according to claim 3, wherein: one side fixed mounting of base (1) has flush mounting plate of switch (20), flush mounting plate of switch (20) surface is installed aspiration pump control switch, oxygen concentration detector control switch, driving motor control switch, water pump control switch and solenoid valve control switch respectively, aspiration pump (6), oxygen concentration detector (8), driving motor (13), water pump (14) and solenoid valve (16) are respectively through aspiration pump control switch, oxygen concentration detector control switch, driving motor control switch, water pump control switch and solenoid valve control switch and external power supply electric connection.