CN212374987U

CN212374987U - Double-layer aeration device for sewage treatment

Info

Publication number: CN212374987U
Application number: CN202020668507.5U
Authority: CN
Inventors: 卢军; 舒秋俊
Original assignee: Xi'an Xinzhu Environmental Protection Engineering Co ltd
Current assignee: Xi'an Xinzhu Environmental Protection Engineering Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-19
Anticipated expiration: 2030-04-28

Abstract

The utility model provides a double-layer aeration device for sewage treatment, which comprises an aerobic tank, wherein the surface of the bottom end of the aerobic tank is connected with a motor through a bolt, the output shaft of the motor is rotationally connected with a centrifugal fan through a bearing, the centrifugal fan is provided with an air suction pipe, the air suction pipe penetrates through the aerobic tank shell and extends out of the aerobic tank, one end of the centrifugal fan is connected with an air outlet pipe, the air outlet pipe extends downwards along the motor, two sides of the bottom end of the air outlet pipe are correspondingly provided with aeration pipes, the upper end of the aeration pipe is welded with an aeration nozzle, the output shaft of the motor runs through the centrifugal fan and extends upwards and is connected with four fan blades through a bearing in a rotating way, the utility model provides a double-layer aeration device for sewage treatment, through the double-layer aeration device of blast aeration and mechanical aeration, more oxygen is provided for the aerobic tank, and the working efficiency of the aerobic tank is accelerated.

Description

Double-layer aeration device for sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a double-layer aeration device for sewage treatment.

Background

Along with the rapid development of national economy, the living standard of people is better and better, the industrialization level is higher and higher, a large factory and a small factory are started in many places, but the problems caused by the improvement are more and more, the industrial sewage and the domestic wastewater are increased rapidly, and in order to solve the problem that the environmental pollution is caused by the industrial sewage and the domestic wastewater, sewage treatment plants are arranged in cities of many places. In the sewage treatment process, an aerobic tank is arranged and is used for oxygenating sewage in the tank, the aeration is an important process link in the sewage treatment process, and the aeration mainly has two functions, namely oxygenating to provide dissolved oxygen required by microorganisms, and stirring and mixing to improve the mass transfer effect.

However, there are two types of aeration, mechanical aeration and blast aeration, but most sewage treatment plants adopt an aeration mode to aerate the aerobic tank, sometimes, the aeration is insufficient, so that the decomposition of some aerobic organic matters is insufficient, the aeration efficiency is affected, and the sewage does not achieve the expected effect in the treatment process.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a double-layer aeration device for sewage treatment, which is used for solving the technical problem provided in the background technology.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

a double-layer aeration device for sewage treatment comprises an aerobic tank, wherein the aerobic tank comprises a mechanical aeration mechanism and a blast aeration mechanism, the blast aeration mechanism comprises a motor, an output shaft of the motor is connected with a centrifugal fan through a coupling, an air outlet pipe is welded at the air outlet of the centrifugal fan, the air outlet pipe extends downwards along the motor body and is fixed on the surface of the bottom of the aerobic tank through a bolt, the bottom of the air outlet pipe is provided with an aeration pipe, the aeration pipe extends to the two sides of the air outlet pipe along the bottom of the aerobic tank, the upper end of the aeration pipe is provided with an aeration nozzle, the mechanical aeration mechanism comprises a protective pipe, the bottom end of the protective pipe is welded on the upper end surface of the centrifugal fan, and the upper end of the protective pipe is rotatably connected with a fan blade support column through a bearing, the bottom end of the fan blade support column is rotatably connected with a motor output shaft through a coupler, and four fan blades are welded on the fan blade support column.

Further, the motor bottom has a motor fixing seat through bolted connection, the motor fixing seat welds in aerobic tank bottom surface.

Further, the motor output shaft penetrates through the centrifugal fan shell and extends upwards along the inner part of the protection pipe.

Furthermore, an air suction pipe is welded at an air suction port of the centrifugal fan, and the air suction pipe penetrates through the aerobic pool shell and extends outwards.

Furthermore, each fan blade is provided with a plurality of through holes.

Furthermore, the protective pipe is provided with an inner pipe body and an outer pipe body, and the circumferential surface of the outer pipe body is provided with a plurality of through holes.

Furthermore, a cavity structure is arranged between the inner pipe body and the outer pipe body, and an aeration film is arranged on the inner side of the outer pipe body.

Further, the welding of protective tube bottom has the intake pipe, the intake pipe welds on the outlet duct.

Compared with the prior art, the beneficial effects of the utility model are that:

one of the two, the utility model discloses well good oxygen pond is including mechanical aeration mechanism and blast air aeration mechanism, and blast air aeration mechanism is including motor, centrifugal fan, outlet duct, and the outlet duct bottom is equipped with the aeration pipe, and the aeration pipe upper end is equipped with the aeration mouth, and mechanical aeration mechanism is including the protecting tube, and the protecting tube upper end is connected with the flabellum pillar through the bearing rotation, and the welding has four flabellums on the flabellum pillar, the utility model discloses utilize blast air aeration and the double-deck aeration structure of mechanical aeration for oxygenate the process in the good oxygen pond, accelerate the decomposition of organic biology in the good oxygen pond.

And secondly, in the utility model discloses in the protective tube is equipped with interior body and outer body, and outer body is equipped with a plurality of through-hole, is the cavity structure between interior body and the outer body, and outer body inboard is equipped with the aeration membrane, and the welding of protective tube bottom has the intake pipe, the intake pipe welds on the outlet duct, through centrifugal fan with the nearly protective tube of gas transportation in, sets up the aeration membrane on outer body inner wall, and gas carries out the aeration through the protective tube, under the effect that the flabellum rotated the stirring, has accelerated the diffusion of gas in aqueous, has accelerated the process that good oxygen pond oxygenated simultaneously.

Thirdly, the utility model discloses utilize single motor to drive blast air aeration mechanism and mechanical aeration mechanism, motor output shaft rotates and connects centrifugal fan, provides kinetic energy for centrifugal fan to motor output shaft runs through centrifugal fan, rotates through the shaft coupling and connects the flabellum pillar, has increaseed the utilization ratio of device, and has reduced the cost of device.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic structural view of the mechanical aeration mechanism and the blast aeration mechanism of the present invention;

FIG. 3 is a schematic view of the inner structure of the protection tube of the present invention;

fig. 4 is a structural schematic diagram of the blast aeration of the utility model.

In the figure: 1. an aerobic tank; 2. a mechanical aeration mechanism; 21. a protective tube; 211. an inner tube body; 212. an outer tubular body; 213. an aeration film; 22. a fan blade support; 23. a fan blade; 24. an air inlet pipe; 3. a blast aeration mechanism; 31. a motor; 32. a centrifugal fan; 33. an air outlet pipe; 331. an aeration pipe; 332. an air nozzle; 34. a motor fixing seat; 35. and (4) sucking a pipe.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4, which are drawings, a double-layer aeration apparatus for sewage treatment, comprising an aerobic tank 1, wherein the aerobic tank 1 comprises a mechanical aeration mechanism 2 and a blast aeration mechanism 3, the blast aeration mechanism 3 comprises a motor 31, an output shaft of the motor 31 is connected with a centrifugal fan 32 through a coupling, the output shaft of the motor 31 rotates to drive the centrifugal fan 32 to rotate through the coupling, an air outlet pipe 33 is welded at an air outlet of the centrifugal fan 32, the air outlet pipe 33 extends downwards along a body of the motor 31 and is fixed on the surface of the bottom of the aerobic tank 1 through a bolt, an aeration pipe 331 is arranged at the bottom of the air outlet pipe 33, the centrifugal fan 32 conveys air into and out of the air pipe 33, and then the air enters the aeration pipe 331 from the air outlet pipe 33, the aeration pipe 331 extends towards two sides of the air outlet pipe 33 along, gaseous rethread aeration mouth 332 in aeration pipe 331 discharges, mechanical aeration mechanism 2 is including protecting tube 21, the welding of protecting tube 21 bottom is on 32 upper end surfaces of centrifugal fan, just protecting tube 21 upper end is rotated through the bearing and is connected with flabellum pillar 22, the output shaft of connecting motor 31 is rotated through the shaft coupling in flabellum pillar 22 bottom, just the welding has four flabellum 23 on the flabellum pillar 22, and motor 31 rotates the flabellum that drives on the flabellum pillar 22 through the output shaft and rotates and aerate 1 inside aerobic tank.

Referring to fig. 3, the bottom end of the motor 31 is connected with a motor fixing seat 34 through a bolt, and the motor fixing seat 34 is welded on the bottom end surface of the aerobic tank 1. In this embodiment, the bottom end of the motor 31 is connected to a motor fixing seat 34 through a bolt, and the motor fixing seat 34 is welded to the bottom end surface of the aerobic tank 1 to fix the motor 31.

Referring to fig. 3, the output shaft of the motor 31 penetrates through the housing of the centrifugal fan 32 and extends upward along the interior of the shielding pipe 21. In this embodiment, the output shaft of the motor 31 penetrates through the housing of the centrifugal fan 32 and extends upwards inside the protection tube 21 to connect with the fan blade support 22.

Referring to fig. 1 and 2, a suction pipe 35 is welded to an air inlet of the centrifugal fan 32, and the suction pipe 35 penetrates through the shell of the aerobic tank 1 and extends outwards. In this embodiment, the centrifugal fan 32 brings the outside air into the aerobic tank 1 through the air suction pipe 35.

Referring to fig. 1 and 2, each of the fan blades 23 has a plurality of through holes. In this embodiment, the fan blades 23 are provided with a plurality of through holes to accelerate the flow of water and the oxygenation of water.

Referring to fig. 2, the protection tube 21 has an inner tube 211 and an outer tube 212, and the outer tube 212 has a plurality of through holes on its circumference. In this embodiment, the plurality of through holes provided in the outer tube 212 are for exhausting air.

Referring to fig. 2, a cavity structure is formed between the inner tube 211 and the outer tube 212, and an aeration film 213 is disposed inside the outer tube 212. In this embodiment, a cavity structure is formed between the inner tube 211 and the outer tube 212, and in order to allow gas to enter, an aeration film 213 is disposed inside the outer tube 212 to exhaust the gas through the aeration film 213.

Referring to fig. 2, an air inlet pipe 24 is welded to the bottom end of the protection pipe 21, and the air inlet pipe 24 is welded to the air outlet pipe 33. In this embodiment, the bottom end of the protection pipe 21 is welded with the gas inlet pipe 24, and the gas inlet pipe 24 is welded on the gas outlet pipe 33, so that gas is conveyed into the protection pipe 21 through the gas inlet pipe 24.

The utility model discloses a concrete operation as follows:

open motor 31 and drive centrifugal fan 32 and rotate, centrifugal fan 32 rotates and can drive gas and come in from breathing pipe 35, discharge the aeration pipe from outlet duct 33, aerate the good oxygen pond through the aeration nozzle, some gas also can get into protective tube 21 inner chamber in addition, discharge through aeration membrane 212 and aerify sewage, motor 31 can drive the flabellum rotation when rotating, reach the mechanical aeration to sewage, also can break up protective tube 21 combustion gas simultaneously, accelerate the oxygenation effect of oxidation pond 1.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The double-layer aeration device for sewage treatment comprises an aerobic tank (1) and is characterized in that the aerobic tank (1) comprises a mechanical aeration mechanism (2) and a blast aeration mechanism (3), the blast aeration mechanism (3) comprises a motor (31), an output shaft of the motor (31) is connected with a centrifugal fan (32) through a coupler, an air outlet pipe (33) is welded at an air outlet of the centrifugal fan (32), the air outlet pipe (33) extends downwards along the body of the motor (31) and is fixed on the surface of the bottom of the aerobic tank (1) through a bolt, an aeration pipe (331) is arranged at the bottom of the air outlet pipe (33), the aeration pipe (331) extends towards two sides of the air outlet pipe (33) along the bottom of the aerobic tank (1), and an aeration nozzle (332) is arranged at the upper end of the aeration pipe (331);

mechanical aeration mechanism (2) are including protecting tube (21), the welding of protecting tube (21) bottom is on centrifugal fan (32) upper end surface, just protecting tube (21) upper end is rotated through the bearing and is connected with flabellum pillar (22), flabellum pillar (22) bottom is passed through the shaft coupling and is rotated connection motor (31) output shaft, just the welding has four flabellum (23) on flabellum pillar (22).

2. The double-deck aeration apparatus for wastewater treatment according to claim 1, wherein: the bottom end of the motor (31) is connected with a motor fixing seat (34) through a bolt, and the motor fixing seat (34) is welded on the bottom end surface of the aerobic tank (1).

3. A double-deck aeration apparatus for wastewater treatment according to claim 2, wherein: the output shaft of the motor (31) penetrates through the shell of the centrifugal fan (32) and extends upwards along the interior of the protective pipe (21).

4. A double-deck aeration apparatus for wastewater treatment according to claim 3, wherein: an air suction pipe (35) is welded at an air suction port of the centrifugal fan (32), and the air suction pipe (35) penetrates through the shell of the aerobic pool (1) and extends outwards.

5. The double-deck aeration apparatus for wastewater treatment according to claim 1, wherein: each fan blade (23) is provided with a plurality of through holes.

6. The double-deck aeration apparatus for wastewater treatment according to claim 1, wherein: the protective pipe (21) is provided with an inner pipe body (211) and an outer pipe body (212), and a plurality of through holes are formed in the circumferential surface of the outer pipe body (212).

7. A double-deck aeration apparatus for wastewater treatment according to claim 6, wherein: a cavity structure is arranged between the inner tube (211) and the outer tube (212), and an aeration film (213) is arranged on the inner side of the outer tube (212).

8. The double-deck aeration apparatus for wastewater treatment according to claim 1, wherein: the bottom welding of protective tube (21) has intake pipe (24), intake pipe (24) weld on outlet duct (33).