CN212246385U

CN212246385U - Sewage treatment aeration equipment

Info

Publication number: CN212246385U
Application number: CN202020689944.5U
Authority: CN
Inventors: 刘乙桦; 刘红; 刘静
Original assignee: Sichuan Siyuan Chuangda Environmental Protection Technology Co ltd
Current assignee: Sichuan Siyuan Chuangda Environmental Protection Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-29
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a sewage treatment aeration equipment, including aeration chamber and sewage pump, a serial communication port, be equipped with the gas-liquid mixer on the aeration chamber, the exit end of sewage pump passes through the sewage pipe and is connected with the gas-liquid mixer, the one end of gas-liquid mixer extends to in the aeration chamber, the interior bottom of aeration chamber is equipped with the gas distribution pipe, gas distribution pipe one end extends to the outdoor air pump that is equipped with of aeration chamber, be equipped with the air duct between gas-liquid mixer and the gas distribution pipe, the one end and the gas-liquid mixer of air duct are connected, the other end and the gas distribution pipe of air duct are connected, still be equipped with the bubble in the aeration chamber and break up the mechanism, the bottom of aeration chamber is equipped with mud. The utility model discloses be equipped with the gas-liquid mixer on the aeration tank and can utilize and carry out the gas-liquid mixture to sewage before sewage pump output, realization aeration that can be better promotes aeration efficiency to the aeration treatment of sewage.

Description

Sewage treatment aeration equipment

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a sewage treatment aeration equipment.

Background

The aeration treatment of sewage is that oxygen-containing gas is led into the aeration chamber through the air pipe, so that the gas is mixed with sewage, and the purpose of biochemical treatment of sewage is achieved.

At present, the gas that sewage aeration treatment used mainly is air or pure oxygen, uses the pure oxygen to carry out the aeration, and though aeration efficiency is high, the cost of pure oxygen is great, is unfavorable for a large amount of continuous processing of sewage, to using the air to carry out aeration treatment, utilizes the air to float effect and sewage mixed aeration in the aeration tank, and this kind of aeration mode of simple substance can lead to the blind area that exists among the aeration process, and aeration effect is poor, especially when the bubble reachs the aeration tank top, has the insufficient problem of aeration.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sewage treatment aeration device with good aeration effect to solve at least one technical problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a sewage treatment aeration equipment, includes aeration chamber and sewage pump, its characterized in that, be equipped with gas-liquid mixer on the aeration chamber, the exit end of sewage pump pass through the sewage pipe with gas-liquid mixer connects, gas-liquid mixer's one end extends to in the aeration chamber, the interior bottom of aeration chamber is equipped with the gas distribution pipe, gas distribution pipe one end extends to be equipped with the air pump outside the aeration chamber, gas-liquid mixer with be equipped with the air duct between the gas distribution pipe, the one end of air duct with gas-liquid mixer connects, the other end of air duct with the gas distribution pipe is connected, still be equipped with the bubble in the aeration chamber and break up the mechanism, the bottom of aeration chamber is equipped with the mud discharging mouth, be equipped with the drain on the bottom lateral wall of aeration chamber.

The utility model has the advantages that: the utility model discloses be equipped with the gas-liquid mixer on the aeration tank and can utilize and carry out the gas-liquid mixture to sewage before sewage pump output, realization aeration that can be better promotes aeration efficiency to the aeration treatment of sewage.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the top of the aeration chamber is provided with a circulating pipe, one end of the circulating pipe is connected with the gas-liquid mixer, and the other end of the circulating pipe extends into the aeration chamber.

The beneficial effect of adopting the further scheme is that: the circulating pipe can guide the sewage in the aeration chamber into the gas-liquid mixer under the action of the gas-liquid mixer, and can better perform gas-liquid mixing.

Furthermore, a one-way valve is arranged on the circulating pipe.

The beneficial effect of adopting the further scheme is that: the one-way valve can prevent liquid from flowing into the aeration tank from the gas-liquid mixer through the circulating pipe.

Furthermore, a flow speed regulating valve is arranged on the air duct.

The beneficial effect of adopting the further scheme is that: the flow rate regulating valve can regulate the aeration amount to realize aeration better.

Further, a pressure gauge is arranged at the top of the aeration chamber and electrically connected with the flow rate regulating valve.

The beneficial effect of adopting the further scheme is that: the pressure gauge can measure the air pressure in the aeration chamber to ensure the stability of aeration.

Further, the bubble scattering mechanism comprises a motor, a rotating shaft and a scattering paddle, the motor is fixed at the top of the aeration chamber, the output end of the motor is in transmission connection with the upper end of the rotating shaft, and the scattering paddle is arranged at the lower end of the rotating shaft.

The beneficial effect of adopting the further scheme is that: the dispersing paddle can disperse the gas coming out of the gas distribution pipe, and gas-liquid mixing is facilitated.

Further, the gas-liquid mixer is a Venturi gas-liquid mixer.

The beneficial effect of adopting the further scheme is that: the venturi gas-liquid mixer can spray the sewage delivered by the sewage pump to form spraying gas-liquid mixing, and the germination generated in the spraying process can suck the sewage in the aeration chamber, so that the sewage can be subjected to circulating aeration.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. aeration chamber, 2, gas-liquid mixer, 3, sewage pump, 4, air pump, 5, gas distribution pipe, 6, air duct, 7, flow rate regulating valve, 8, motor, 9, pivot, 10, break up the oar, 11, mud discharging port, 12, drain, 13, pressure gauge, 14, circulating pipe, 15, check valve.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Examples

As shown in fig. 1, the core of the utility model is to provide a sewage treatment aeration equipment, including aeration chamber 1 and sewage pump 3, be equipped with gas-liquid mixer 2 on aeration chamber 1, sewage pump 3's exit end passes through the sewage pipe and is connected with gas-liquid mixer 2, gas-liquid mixer 2's one end extends to in aeration chamber 1, aeration chamber 1's interior bottom is equipped with gas distribution pipe 5, gas distribution pipe 5 one end extends to and is equipped with air pump 4 outside aeration chamber 1, be equipped with air duct 6 between gas-liquid mixer 2 and the gas distribution pipe 5, the one end and the gas-liquid mixer 2 of air duct 6 are connected, air duct 6's the other end and gas distribution pipe 5 are connected, still be equipped with the bubble in aeration chamber 1 and break up the mechanism, aeration chamber 1's bottom is equipped with sludge discharge opening 11, be equipped with drain 12 on aeration chamber 1.

Preferably, the top of the aeration chamber 1 is provided with a circulating pipe 14, one end of the circulating pipe 14 is connected with the gas-liquid mixer 2, and the other end of the circulating pipe 14 extends into the aeration chamber 1, and it should be noted that the circulating pipe extends into the aeration chamber and can be positioned below the liquid level or above the liquid level, and can suck the gas of the liquid in the aeration chamber into the gas-liquid mixer for mixing, so as to fully utilize the sewage conveying function of the sewage pump, realize the water circulation and gas-liquid mixing in the aeration chamber, and effectively improve the aeration efficiency

Preferably, the circulating pipe 14 is provided with a check valve 15, and in order to be used in cooperation with the check valve 15, the circulating pipe 14 is further provided with a valve, and the check valve 15 is used for flowing the gas or the liquid in the aeration chamber 1 to the gas-liquid mixer 2 to prevent the gas or the liquid in the gas-liquid mixer 2 from flowing to the aeration chamber 1, and in addition, when the pressure of the pressure gauge 13 becomes low or negative, it can be determined that the gas is introduced into the circulating pipe 14, and in order to realize the liquid circulation, the liquid level in the aeration chamber 1 needs to be adjusted.

Preferably, the gas guide tube 6 is provided with a flow rate regulating valve 7, and the flow rate regulating valve 7 is used for regulating the amount of gas entering the gas-liquid mixer 2.

Preferably, the top of aeration chamber 1 is equipped with pressure gauge 13, and pressure gauge 13 is connected with velocity of flow governing valve 7 electricity, and it should be noted, when aeration chamber 1 internal pressure becomes high, need carry out the exhaust or reduce the aeration rate, when pressure gauge 13 measures that the pressure diminishes or is the negative pressure, need increase the air supply volume of air duct 6 to guarantee that the atmospheric pressure in aeration chamber 1 is stable, avoid producing negative pressure and influence aeration efficiency in aeration chamber 1.

Preferably, the bubble scattering mechanism comprises a motor 8, a rotating shaft 9 and a scattering paddle 10, the motor 8 is fixed at the top of the aeration chamber 1, the output end of the motor 8 is in transmission connection with the upper end of the rotating shaft 9, and the scattering paddle 10 is arranged at the lower end of the rotating shaft 9.

Preferably, the gas-liquid mixer 2 is a venturi gas-liquid mixer, and it should be noted that the sewage pipe at the outlet end of the sewage pump 3 is connected with the liquid inlet end of the venturi gas-liquid mixer, and two inlets are arranged at the opposite sides of the venturi gas-liquid mixer and are respectively connected with one end of the circulating pipe 14 and one end of the gas guide pipe 6.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A sewage treatment aeration device comprises an aeration chamber (1) and a sewage pump (3), and is characterized in that a gas-liquid mixer (2) is arranged on the aeration chamber (1), the outlet end of the sewage pump (3) is connected with the gas-liquid mixer (2) through a sewage pipe, one end of the gas-liquid mixer (2) extends into the aeration chamber (1), a gas distribution pipe (5) is arranged at the inner bottom of the aeration chamber (1), one end of the gas distribution pipe (5) extends to the outside of the aeration chamber (1) and is provided with a gas pump (4), a gas guide pipe (6) is arranged between the gas-liquid mixer (2) and the gas distribution pipe (5), one end of the gas guide pipe (6) is connected with the gas-liquid mixer (2), the other end of the gas guide pipe (6) is connected with the gas distribution pipe (5), and a bubble scattering mechanism is further arranged in the aeration chamber (1), the bottom of aeration chamber (1) is equipped with sludge outlet (11), be equipped with drain (12) on the bottom lateral wall of aeration chamber (1).

2. An aeration apparatus for sewage treatment according to claim 1, characterized in that a circulation pipe (14) is provided on the top of the aeration chamber (1), one end of the circulation pipe (14) is connected to the gas-liquid mixer (2), and the other end of the circulation pipe (14) extends into the aeration chamber (1).

3. An aeration device for sewage treatment according to claim 2, characterized in that said circulation pipe (14) is provided with a one-way valve (15).

4. An aeration device for sewage treatment according to claim 1, characterized in that the air duct (6) is provided with a flow rate regulating valve (7).

5. An aeration apparatus for sewage treatment according to claim 4, wherein a pressure gauge (13) is provided at the top of the aeration chamber (1), and the pressure gauge (13) is electrically connected to the flow rate regulating valve (7).

6. An aeration apparatus according to any one of claims 1 to 5, wherein the bubble breaking mechanism comprises a motor (8), a rotating shaft (9) and a breaking paddle (10), the motor (8) is fixed on the top of the aeration chamber (1), the output end of the motor (8) is in transmission connection with the upper end of the rotating shaft (9), and the breaking paddle (10) is arranged at the lower end of the rotating shaft (9).

7. An aeration device for sewage treatment according to any of claims 1 to 5, characterized in that said gas-liquid mixer (2) is a Venturi gas-liquid mixer.