CN214612075U

CN214612075U - PTA sewage treatment aerobic tank

Info

Publication number: CN214612075U
Application number: CN202120692905.5U
Authority: CN
Inventors: 郑伟; 陈海伟; 宋明贵; 付贵平
Original assignee: Fujian Fuhaichuang Petrochemical Co ltd
Current assignee: Fujian Fuhaichuang Petrochemical Co ltd
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-05
Anticipated expiration: 2031-04-06

Abstract

The utility model relates to a certain technical field, in particular to a PTA sewage treatment aerobic tank, which comprises an aerobic tank body and a plurality of microorganism filler frames detachably connected in the aerobic tank, the bottom of the aerobic tank body is fixedly connected with a conversion chamber, the top of the conversion chamber extends out of the aerobic tank body and is fixedly connected with a motor, an output shaft of the motor extends into the conversion chamber and is coaxially connected with a spiral fan blade, the side wall of the conversion chamber is provided with a plurality of openings, the bottom of the conversion chamber is communicated with a sedimentation tank, the side wall of the aerobic tank body is provided with a plurality of sewage inlets and a plurality of aerators, the aerators are all communicated with an aeration pipeline, the bottom of the aerobic tank is provided with an aeration disc communicated with the aeration pipeline, the bottom of the aeration disc is provided with a plurality of air vents, the side wall of the aerobic tank body is also communicated with a plurality of circulation pipelines, the free ends of the circulation pipelines are all communicated with the bottom of the aerobic tank body, the circulation pipeline is provided with a water pump, and the problem that impurities are easily accumulated at the bottom of the traditional aerobic tank is solved, the sewage treatment effect is influenced.

Description

PTA sewage treatment aerobic tank

Technical Field

The application relates to a certain technical field, and particularly discloses a PTA sewage treatment aerobic tank.

Background

The aerobic tank is a treatment device which utilizes aerobic microorganisms in the sewage to digest and degrade organic matters in the sewage in the presence of free oxygen so as to stabilize and make the organic matters harmless, the aerobic tank is generally communicated with a sedimentation tank after sewage treatment, the aerobic tank is generally in a contact oxidation tank form, filling materials are arranged in the aerobic tank, the oxygenated sewage is immersed into all the filling materials and flows through the filling materials at a certain flow rate, a part of the microorganisms are fixed on the surface of the filling materials in a form of a biological membrane, and a part of the microorganisms are suspended in water in a flocculent manner, so that the aerobic tank has the characteristics of a biological filter tank and an activated sludge process.

In the conventional aerobic tank, during the sewage treatment process, the generated precipitate impurities are easy to accumulate on the bottom surface of the aerobic tank, and the microorganisms for sewage treatment are covered in the precipitate to influence the sewage treatment effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that impurities are easily accumulated at the bottom of the traditional aerobic tank to influence the sewage treatment effect.

In order to achieve the purpose, the basic scheme of the utility model provides a PTA sewage treatment aerobic tank, which comprises an aerobic tank body and a plurality of microorganism filler frames detachably connected in the aerobic tank, wherein the bottom of the aerobic tank body is fixedly connected with a conversion chamber, the top of the conversion chamber extends out of the aerobic tank body and is fixedly connected with a motor, an output shaft of the motor extends into the conversion chamber and is coaxially connected with spiral fan blades, the side wall of the conversion chamber is provided with a plurality of openings, and the bottom of the conversion chamber is communicated with a sedimentation tank;

the aerobic tank body side wall is provided with a plurality of sewage inlets and a plurality of aerators which are all communicated with an aeration pipeline, the bottom of the aerobic tank is provided with an aeration disc communicated with the aeration pipeline, the bottom of the aeration disc is provided with a plurality of air vents, the aerobic tank body side wall is also communicated with a plurality of circulating pipelines, the free ends of the circulating pipelines are all communicated with the bottom of the aerobic tank body, and the circulating pipelines are all provided with water pumps.

The principle and effect of this basic scheme lie in:

1. the utility model discloses be equipped with the conversion room, the conversion room will have oxygen pond body and sedimentation tank intercommunication, be convenient for handle sewage.

2. The utility model discloses be equipped with spiral flabellum, make the heliciform of sewage layer flow, promote sewage to flow into the conversion room.

3. The utility model is provided with an aeration disc, the gas enters an aerobic tank from the bottom of the aeration disc, and the bottom of the aerobic tank body can be washed away, so that the accumulation of impurities at the bottom of the aerobic tank body is avoided.

4. The utility model discloses be equipped with circulating line, draw water from good oxygen pond body lateral wall through the water pump to this is internal with rivers from good oxygen pond body top circulation inflow good oxygen pond, has promoted this internal rivers circulation of good oxygen pond.

Compared with the prior art, the utility model discloses a set up conversion room, helical fan blade and circulating line etc. when handling sewage, can also promote sewage to flow in good oxygen pond, solved traditional good oxygen bottom of the pool portion and easily accumulated impurity, influence the problem of sewage treatment effect.

Furthermore, the sewage water inlet can be detachably connected with a filter screen. The filter screen can filter the interior sewage of sewage inlet, prevents that the impurity of large granule from getting into the aerobic tank.

Further, a protection box capable of covering the motor is arranged at the top of the conversion chamber. The protection box can play the guard action to the motor, prevents that the motor from intaking etc. accident from taking place.

Furthermore, an opening is formed in the top of the protection box, and a cooling fan is arranged at the opening. The heat radiation fan can improve the heat radiation effect of the motor and prevent the temperature of the motor from being too high.

Furthermore, a baffle plate is arranged above the protection box. The baffle can play the effect of protection to fan heater fan and motor.

Furthermore, a diversion surface is arranged at the top of the conversion chamber. The drainage surface can play the effect of drainage, and the sewage of being convenient for flows into the sedimentation tank from the transfer chamber, avoids sewage to accumulate in the transfer chamber.

Furthermore, one end of the circulating pipeline communicated with the bottom of the aerobic tank body is provided with a pressurizing nozzle. The pressurizing nozzle can improve the water pressure of the sewage flowing out of the circulating pipeline, and further promotes the flow of the sewage in the aerobic tank body.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 shows a cross-sectional view of a PTA sewage treatment aerobic tank according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the aerobic tank comprises an aerobic tank body 1, a conversion chamber 2, a sewage inlet 3, a microorganism filler frame 4, an aerator 5, an aeration pipeline 6, an aeration disc 7, a circulating pipeline 8, a pressurizing nozzle 9, a protection box 10, a fan heater 11, a baffle plate 12 and a spiral fan blade 13.

An embodiment of a PTA sewage treatment aerobic tank is shown in figure 1: the aerobic tank comprises an aerobic tank body 1 and a plurality of microorganism filler frames 4 which are detachably connected in the aerobic tank, wherein the specific detachable connection can adopt bracket hanging or rope hanging and the like, the bottom of the aerobic tank body 1 is fixedly connected with a conversion chamber 2, the top of the conversion chamber 2 extends out of the aerobic tank body 1 and is fixedly connected with a motor, an output shaft of the motor extends into the conversion chamber 2 and is coaxially connected with a spiral fan blade 13, the top of the conversion chamber 2 is provided with a protection box 10 which can cover the motor, and the protection box 10 can protect the motor and prevent the motor from water inlet and other accidents; an opening is formed in the top of the protection box 10, and a cooling fan is arranged at the opening, so that the cooling effect of the motor can be improved by the cooling fan, and the motor is prevented from being too high in temperature; a baffle plate 12 is arranged above the protection box 10, and the baffle plate 12 can protect the heat fan 11 and the motor; 2 lateral walls of conversion room are equipped with a plurality of openings, and 2 bottoms of conversion room and sedimentation tank intercommunication, 2 tops of conversion room are equipped with the drainage face, and the drainage face can play the effect of drainage, and the sewage of being convenient for avoids sewage to accumulate in conversion room 2 from the sedimentation tank of 2 inflow of conversion room.

Control valves are arranged at the sewage inlet 3 and the communication position of the conversion chamber 2 and the sedimentation tank to control the flow of sewage in the aerobic tank body 1.

The side wall of the aerobic tank body 1 is provided with a plurality of sewage water inlets 3 and a plurality of aerators 5, the sewage water inlets 3 can be detachably connected with filter screens, the filter screens can be hung at the sewage water inlets 3 through hooks, and the filter screens can filter sewage in the sewage water inlets 3 to prevent large-particle impurities from entering the aerobic tank; aerator 5 all communicates has aeration pipe 6, good oxygen bottom of the pool portion is equipped with the aeration dish 7 with aeration pipe 6 intercommunication, but aeration dish 7 rigid coupling is at conversion room 2 lateral walls, for example, connect at conversion room 2 lateral walls through bolt locking, aeration dish 7 bottom is equipped with a plurality of air vents, good oxygen 1 lateral wall of the pool body still communicates has a plurality of circulating line 8, circulating line 8's free end all communicates with good oxygen 1 bottom of the pool body, all be equipped with the water pump on the circulating line 8, circulating line 8 all is equipped with pressurization shower nozzle 9 with the one end of good oxygen 1 bottom of the pool body intercommunication, pressurization shower nozzle 9 can improve the water pressure of circulation line 8 internal outflow sewage, further promote the flow of good oxygen pool body 1 internal sewage.

The utility model discloses in, aerator 5 adopts cyclic annular jet aerator 5 to total 96, compares traditional aerator 5, improves aerator 5's air water mixing ratio and oxygenation speed for reducible required aeration amount of wind and the circulating water volume under the operating mode of the same COD treatment load.

In the implementation process of the utility model, firstly, the sewage to be treated is firstly treated from the sewage inlet 3, the filter screen can intercept large-particle impurities in the sewage entering the aerobic tank body 1, secondly, the motor is started, the annular jet aerator 5 and the water pump are started, the annular jet aerator 5 conducts ventilation and oxygenation on the sewage in the aerobic tank body 1, because the air vent of the aeration disc 7 is arranged at the bottom, the bottom of the aerobic tank body 1 can be washed while the ventilation and oxygenation is conducted, the impurities are prevented from being accumulated at the bottom of the aerobic tank body 1, the microorganisms on the microorganism packing frame 4 are promoted to digest and degrade organic matters in the sewage, meanwhile, the water pump can promote the circulation of the sewage in the aerobic tank body 1 in a circulating pumping mode, the motor simultaneously drives the spiral fan blades 13 to rotate, the flow of the sewage is promoted, and the sewage flows into the sedimentation tank through the conversion chamber 2 to be precipitated, and step three, after the sewage treatment is finished, closing all power mechanisms, and cleaning and replacing the filter screen and the microorganism packing frame 4.

Compared with the prior art, the utility model discloses a set up conversion room 2, helical fan blade 13 and circulating line 8 etc. when handling sewage, can also promote sewage to flow in good oxygen pond, solved traditional good oxygen bottom of the pool portion and easily accumulated impurity, influence the problem of sewage treatment effect.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a PTA sewage treatment aerobic tank which characterized in that: the aerobic tank comprises an aerobic tank body and a plurality of microorganism filler frames detachably connected in the aerobic tank, wherein the bottom of the aerobic tank body is fixedly connected with a conversion chamber, the top of the conversion chamber extends out of the aerobic tank body and is fixedly connected with a motor, an output shaft of the motor extends into the conversion chamber and is coaxially connected with spiral fan blades, the side wall of the conversion chamber is provided with a plurality of openings, and the bottom of the conversion chamber is communicated with a sedimentation tank;

2. The PTA aerobic tank of claim 1 wherein the sewage inlet is detachably connected to a filter screen.

3. The PTA sewage treating aerobic tank of claim 1 wherein the top of the conversion chamber is provided with a protective box capable of covering the motor.

4. The PTA aerobic sewage treatment tank as claimed in claim 3 wherein the top of the protection box is provided with an opening and the opening is provided with a cooling fan.

5. The PTA aerobic sewage treatment pool of claim 4 wherein a baffle is arranged above the protective box.

6. The PTA sewage treating aerobic tank of claim 1 wherein the top of the converting chamber is provided with a flow directing surface.

7. The PTA sewage treating aerobic tank of claim 1 wherein one end of the circulating pipe communicating with the bottom of the aerobic tank body is provided with a pressurized nozzle.