CN217230358U

CN217230358U - Air stripping reflux unit

Info

Publication number: CN217230358U
Application number: CN202220961124.6U
Authority: CN
Inventors: 王相宜; 任亮亮; 郑富华; 左伟
Original assignee: Sichuan Muyun Zhichuang Environmental Protection Technology Co ltd
Current assignee: Sichuan Muyun Zhichuang Environmental Protection Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-19
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to an air stripping reflux technical field, in order to solve the problems of the prior mixed liquid reflux mode, such as multi-purpose pump reflux, high power consumption and high failure rate, the utility model provides an air stripping reflux device, which comprises an air stripping tank, wherein the air stripping tank is provided with a water inlet pipe, and the air stripping reflux device also comprises an air stripping pipe extending into the air stripping tank and an air inlet pipe communicated with the pipe cavity of the air stripping pipe; one end of the gas stripping pipe, which is positioned outside the gas stripping tank, is connected with a return pipe, and a first flowmeter is arranged on the return pipe; the air inlet pipe is provided with a second flow meter, and the first flow meter and the second flow meter are both connected with an external flow control device; the method has low energy consumption and good gas stripping effect, and can control the reflux amount during gas stripping.

Description

Air stripping reflux unit

Technical Field

The utility model relates to an air stripping backward flow technical field particularly, relates to an air stripping reflux unit.

Background

Nowadays, a large amount of sewage is often generated in the chemical production process, the generated sewage is often required to be treated in order to protect the environment, and the nitrogen and phosphorus removal treatment of the existing agricultural sewage sites mostly adopts an a2/o or a/o process. Site dispersion, in general, for sludge return and digester return, has the following problems: the mixed liquid backflow mode is not easy to process in engineering, and the pump backflow mode has high power consumption and high failure rate.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air stripping reflux unit, its energy consumption is low, the air stripping is effectual to and can control the backward flow volume simultaneously at the air stripping.

The embodiment of the utility model discloses a realize through following technical scheme:

the gas stripping reflux device comprises a gas stripping tank, a gas stripping pipe and an air inlet pipe, wherein the gas stripping tank is provided with a water inlet pipe, the gas stripping pipe extends into the gas stripping tank, and the air inlet pipe is communicated with a pipe cavity of the gas stripping pipe; one end of the gas stripping pipe, which is positioned outside the gas stripping tank, is connected with a return pipe, and a first flowmeter is arranged on the return pipe; and a second flow meter is arranged on the air inlet pipe, and the first flow meter and the second flow meter are both connected with an external flow control device.

Further, the air inlet pipe is arranged on the side face of the air stripping pipe.

Further, an aeration disc is further arranged in the air outlet end of the air inlet pipe, and the aeration disc is connected with the air inlet pipe through a flange.

Furthermore, the side wall of the return pipe is also communicated with a back-flushing pipe.

Further, a third flow meter is arranged on the back washing pipe.

Further, the other end of the backwashing pipe is communicated with the air inlet pipe.

Furthermore, the air inlet pipe, the return pipe and the backwashing pipe are all provided with check valves and butterfly valves.

Further, the bottom of the side surface of the air stripping tank is also provided with a drain port.

Furthermore, the return pipe and the gas stripping pipe are both made of Upvc materials.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

1. when the utility model is used, the fan connected with the other end of the air inlet pipe supplies air to the air stripping tank to generate pressure difference, so that digestive juice or sludge is extracted into the mixing box through the air stripping pipe and the return pipe, and the effect of return flow or sludge discharge is realized; in addition, the required reflux amount can be preset while extracting the digestive juice and the sludge, when the device is used, the data of the second flowmeter on the air inlet pipe is fed back to the flow control device, and the flow control device automatically adjusts the air inflow according to the set reflux amount, so that the reflux amount adjusting effect is achieved, and then the reflux amount is discharged through the reflux pipe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a gas stripping reflux unit provided by the present invention;

icon: 1-butterfly valve, 2-check valve, 3-evacuation port, 4-backwashing pipe, 41-third flow meter, 5-air inlet pipe, 51-second flow meter, 52-aeration disc, 6-return pipe, 61-first flow meter, 7-water inlet pipe, 8-gas stripping tank and 9-gas stripping pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Example 1

Referring to fig. 1, the gas stripping reflux device comprises a gas stripping tank 8, a water inlet pipe 7 is arranged on the gas stripping tank 8, a gas stripping pipe 9 extending into the gas stripping tank 8 and an air inlet pipe 5 communicated with a pipe cavity of the gas stripping pipe 9 are also included, one end of the gas stripping pipe 9, which is positioned outside the gas stripping tank 8, is connected with a reflux pipe 6, and a first flowmeter 61 is arranged on the reflux pipe 6; the intake pipe 5 is provided with a second flow meter 51, and both the first flow meter 61 and the second flow meter 51 are electrically or communicatively connected with an external flow control device.

In this embodiment, the air inlet pipe 5 is arranged on the side surface of the gas stripping pipe 9, so that air can be conveniently supplied into the gas stripping pipe 9, and the influence on the air inlet pipe 5 when liquid is extracted is avoided, and the use is more stable and reliable.

In this embodiment, an aeration disc 52 is further disposed in the air outlet end of the air inlet pipe 5, the aeration disc 52 is connected with the air inlet pipe 5 through a flange, the flange connection is adopted, the maintenance and the disassembly are convenient, and the aeration disc 52 can rapidly realize the uniform and powerful dispersion of the gas through a microporous aeration disc.

In the embodiment, the side wall of the return pipe 6 is also communicated with a backwashing pipe 4, so that the mixing tank or the gas stripping tank 8 can be cleaned periodically, such as by using liquid or gas, and when using liquid, a water supply pipe can be externally connected; when using gas, then the other end and the intake pipe 5 intercommunication of backwash pipe 4, like this embodiment, can make intake pipe 5 can supply gas to the backwash pipe in step and wash like this, still can provide pressure simultaneously and make 6 neutralization solution of back flow pipe or mud extract fast in the mixing box.

In the present embodiment, the backwash pipe 4 is provided with a third flow meter 41 to control the flow rate of water at the time of washing according to circumstances.

In this embodiment, the gas inlet pipe 5, the return pipe 6 and the back flushing pipe 4 are all provided with a check valve 2 and a butterfly valve 1, and specifically, along the flowing direction of the gas or liquid, the pipeline is provided with a flow meter, the check valve 2 and the butterfly valve 1 in sequence, so that the flowing path of the gas or liquid is more stable and the risk of reverse flow can be avoided.

In this embodiment, the bottom of the side surface of the gas stripping tank 8 is further provided with a drain port 3.

In this embodiment, the return tube 6 and the stripper tube 9 are both made of Upvc material.

In order to better control the air inflow, control valves are arranged on the air inlet pipe 5 and the air stripping pipe 9. The outside of the return pipe 6 is connected with a mixing box, and one end of the air inlet pipe 5 positioned outside the air stripping tank 8 is communicated with a fan; when in use, the fan connected with the other end of the air inlet pipe 5 supplies air into the air stripping tank 8 to generate pressure difference, so that digestive juice or sludge is extracted into the mixing box through the air stripping pipe 9 and the return pipe 6 to realize the effect of return or sludge discharge; in addition, the required reflux amount can be preset while extracting the digestive juice and the sludge, when the device is used, the data of the second flowmeter 51 on the air inlet pipe 5 is fed back to the flow control device, the flow control device automatically adjusts the air inflow according to the set reflux amount, so that the effect of adjusting the reflux amount is achieved, and then the reflux liquid and the sludge are discharged through the reflux pipe 6.

The utility model discloses an air stripping reflux device, steerable mud or the backward flow volume of nitrifying liquid backward flow adjust the nitrogen and phosphorus removal effect of mud or nitrifying liquid, have practiced thrift the energy consumption. The reflux of the air stripping device replaces the reflux of the pump, the purpose of the reflux of the mixed liquid and the sludge can be achieved only by providing a small amount of air by the fan, the electric energy is saved, and the better denitrification and dephosphorization effects are achieved by controlling the reflux amount of the sludge and the digestive juice while air stripping.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An air stripping reflux device, which comprises an air stripping tank, wherein the air stripping tank is provided with a water inlet pipe, and is characterized by also comprising an air stripping pipe extending into the air stripping tank and an air inlet pipe communicated with a pipe cavity of the air stripping pipe,

one end of the gas stripping pipe, which is positioned outside the gas stripping tank, is connected with a return pipe, and a first flowmeter is arranged on the return pipe;

and a second flow meter is arranged on the air inlet pipe, and the first flow meter and the second flow meter are both connected with an external flow control device.

2. The stripping reflux apparatus as set forth in claim 1, wherein said inlet tube is disposed laterally of said stripping tube.

3. The air stripping reflux device as claimed in claim 2, wherein an aeration disc is further arranged in the air outlet end of the air inlet pipe, and the aeration disc is connected with the air inlet pipe through a flange.

4. A stripping reflux unit as claimed in claim 1, wherein the side wall of the return tube is also connected to a backwash tube.

5. The stripping reflux apparatus as set forth in claim 4, wherein a third flow meter is disposed on said backwash tube.

6. The stripping reflux apparatus as set forth in claim 5, wherein the other end of said backwash tube is in communication with an inlet tube.

7. The gas stripping reflux device as set forth in claim 4, wherein said inlet pipe, said return pipe and said backwash pipe are each provided with a check valve and a butterfly valve.

8. The air stripping reflux device as claimed in claim 1, wherein a drain is further arranged at the bottom of the side surface of the air stripping tank.

9. The stripping reflux device as set forth in claim 1, wherein said reflux tube and said stripping tube are both made of Upvc material.