CN211339143U - Ozone electrochemical wastewater purifier - Google Patents

Abstract

The utility model discloses an ozone electrochemical wastewater purifier, which comprises a closed box body (1), wherein a group of nano ozone generators (4) connected with an air floatation contact chamber (2) are arranged outside the box body (1), a chemical reaction bin (5) is arranged at the lower part of the box body (1), a sewage inlet (6) and a sewage outlet (7) are arranged on the chemical reaction bin, the sewage outlet (7) is connected with the air floatation contact chamber (2), and a group of ultrasonic generators (9) are arranged in the chemical reaction bin (5); the middle part of the box body (1) is connected with a clear water collecting device (10), a water outlet (11) and a return port (13) are arranged on the clear water collecting device, and a dissolved air pump (12) is also arranged in the clear water collecting device; the upper part of the box body (1) is provided with an air-float gathering plate (14), and the air-float gathering plate (14) is connected with a mud outlet (16) through a mud bucket (15). The utility model has the advantages that the sewage treatment effect and the sludge settling speed are improved, the multifunctional sludge settling device integrates multiple functions, saves cost and occupies an area, and the sludge discharge is more smooth.

Description

Ozone electrochemical wastewater purifier

Technical Field

The utility model relates to a sewage purification equipment technical field especially relates to an ozone electrochemistry waste water purifier.

Background

At present, a sewage purification treatment device generally comprises a stirring tank, a sedimentation tank, a hydrolysis acidification tank, an aerobic tank, an air floatation machine and other equipment, the occupied area is large, the purification treatment process is complicated, and the investment cost and the operation cost are increased.

The method for separating and purifying the sludge by wrapping the sludge through the high-pressure bubbles in the existing sewage purification device is low in sewage settling speed, the aggregation degree between pollution particles and the bubbles is limited, the sludge is directly upwards discharged after being wrapped by the bubbles and cannot play the effects of sterilization, decoloration and deodorization, the discharged pollutants still cause harm to the environment, meanwhile, the floating buoyancy of common bubbles is weak, the treatment effect is relatively poor, the mud-water separation is not thorough, the water content of discharged mud is high, and the cost of subsequent filter-pressing treatment is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is exactly in order to solve the problem that current sewage purification processing apparatus sewage settling velocity is slow, bubble and mud concentration and upward buoyancy are more weak, the feature of environmental protection is poor, provides an ozone electrochemistry waste water purifier, carries out purification treatment to sewage through nanometer level ozone, not only can collect multi-functionally as an organic whole, reduces cost and processing procedure, can also improve sludge treatment effect simultaneously, energy-concerving and environment-protective.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an ozone electrochemical wastewater purifier comprises a closed box body, wherein a group of nano ozone generators are arranged outside the box body and are connected with an air floatation contact chamber vertically arranged in the box body through a pipeline so as to supply enough nano ozone bubbles to the air floatation contact chamber;

a collecting tank for discharging large-particle sludge is arranged in the tank body below the air floatation contact chamber, and a large-particle sludge discharge port is formed in the collecting tank;

the lower part of the box body is provided with an annular chemical reaction bin, the chemical reaction bin is provided with a sewage inlet and a sewage outlet, the sewage outlet is connected with the bottom of the air floatation contact chamber through a pipeline, and the chemical reaction bin is internally provided with a group of ultrasonic generators for carrying out ultrasonic diffusion and mixing on sewage.

The side wall of the middle part of the box body is connected with a circle of clean water collecting device, the clean water collecting device is provided with a water outlet, and a dissolved air pump for dissolving ozone water is arranged in the clean water collecting device and connected with a backflow port for collecting backflow ozone water;

the upper part of the box body facing the air floatation contact chamber is provided with an air floatation gathering plate, one surface of the air floatation gathering plate is used for collecting floating sludge, the outer wall of the air floatation gathering plate is connected with a group of mud hoppers which are obliquely arranged, the lower part of each mud hopper is connected with a mud outlet on the side wall of the box body, and the cross sectional areas of the mud outlets are sequentially reduced from top to bottom so as to be used for collecting and discharging the sludge wrapped by the floating ozone.

Further, the cross-sectional area of the air floatation contact chamber is sequentially increased from bottom to top, so that the ozone-coated sludge is conveniently discharged upwards.

Furthermore, a group of folded plates are connected in the chemical reaction bin to play a role in mixing and flocculating the sewage.

Furthermore, the sludge outlet is a stepped pipeline with a large upper part and a small lower part.

Furthermore, a group of automatic mud valves are arranged on the mud bucket.

Furthermore, an observation window is arranged on the side wall of the box body above the clean water collecting device and on the side wall of the box body which is opposite to the chemical reaction bin, so as to observe the specific conditions of reaction and purification treatment in the box body.

The clear water collecting device is an existing device, is an annular groove with a plurality of small holes arranged inside, and is used for uniformly distributing water.

In the technical scheme of the utility model, the utilization rate is improved to more than 95% from the traditional 30% by adopting the nano ozone bubbles, and the effects of sterilization, oxidation reduction, decoloration, COD reduction and air floatation solid-liquid separation are achieved at the same time, so that the device is energy-saving and environment-friendly, integrates multiple functions, saves investment cost, running cost and occupied area, and improves the sludge settling efficiency and the sewage purification effect; in addition, as the large-particle sludge is less, the sludge is only required to be cleaned regularly.

Drawings

FIG. 1 is a front view of an ozone electrochemical wastewater purifier of the present invention;

FIG. 2 is a side view of an ozone electrochemical wastewater purifier of the present invention;

fig. 3 is a schematic structural view of the air-floating contact chamber of the present invention.

Detailed Description

Example 1

In order to make the present invention more clear, the following description of the electrochemical wastewater purifier with ozone and the purification method thereof are further illustrated with reference to the attached drawings, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 2 and 3, an ozone electrochemical wastewater purifier comprises a closed box body 1, a group of nano ozone generators 4 are arranged outside the box body 1, an air floatation contact chamber 2 is arranged in the box body 1, an air floatation contact inlet 3 is arranged on the air floatation contact chamber 2, and the nano ozone generators 4 are connected with the air floatation contact chamber 2 through the air floatation contact inlet 3 so as to supply enough nano ozone bubbles to the air floatation contact chamber;

the cross sectional area of the air floatation contact chamber 2 is sequentially increased from bottom to top so as to facilitate the upward discharge of ozone-coated sludge;

referring to fig. 1 and 2, an annular chemical reaction chamber 5 is arranged at the lower part of the box body 1, a sewage inlet 6 and a sewage outlet 7 are arranged on the chemical reaction chamber 5, the sewage outlet 7 is connected with the bottom of the air floatation contact chamber 2 through a pipeline, and a group of folded plates 8 and a group of ultrasonic generators 9 are connected in the chemical reaction chamber 5 for carrying out ultrasonic diffusion and mixing on sewage;

a circle of clear water collecting device 10 is connected to the side wall of the middle part of the box body 1, a water outlet 11 is arranged on the clear water collecting device 10, an air dissolving pump 12 for dissolving ozone water is further arranged in the clear water collecting device 10, and the air dissolving pump 12 is connected with a return port 13 for collecting returned ozone water;

an air-floating gathering plate 14 one side of which is used for collecting floating sludge is arranged at the upper part of the box body 1 which faces the air-floating contact chamber 2, a group of mud hoppers 15 which are obliquely arranged are connected to the outer wall of the air-floating gathering plate 14, a group of automatic mud discharge valves are arranged on the mud hoppers 15, the lower part of each mud hopper 15 is connected with a mud outlet 16 on the side wall of the box body 1, the cross-sectional area of each mud outlet 16 is sequentially reduced from top to bottom, and each mud outlet is a stepped pipeline which is large at the top and small at the bottom and is used for collecting and discharging the sludge wrapped by the.

A collecting tank 17 for discharging large-particle sludge is arranged in the box body 1 below the air floatation contact chamber 2, and a large-particle sludge discharge port 18 is arranged on the collecting tank 17.

An observation window 19 is arranged on the side wall of the box body 1 above the clear water collecting device 10 and on the side wall of the box body 1 which is opposite to the chemical reaction bin 5, so as to observe the specific conditions of reaction and purification treatment in the box body.

The utility model discloses a clear water collection device 10 be current device, be an annular of built-in a plurality of apertures for the water evenly distributed.

A method for electrochemically purifying wastewater by using ozone by using the purifier comprises the following specific steps:

(1) sewage to be treated enters a chemical reaction bin 5 from a sewage inlet 6, ultrasonic diffusion treatment is carried out on the sewage by an ultrasonic generator 9, and the sewage is subjected to rapid flocculation precipitation;

(2) the sewage after ultrasonic flocculation is discharged to the air floatation contact chamber 2 through a sewage outlet 7 and enters from the bottom of the air floatation contact chamber 2, meanwhile, a nano ozone generator 4 conveys a large amount of generated nano ozone bubbles into the air floatation contact chamber 2, and the sewage is in contact with and mixed with the nano ozone bubbles;

(3) the nano ozone bubbles wrap the sludge and rise along the air floatation contact chamber 2, the water flow gradually slows down along with the gradual increase of the area of the water flow channel of the air floatation contact chamber 2, and the sludge wrapped by the nano ozone bubbles gradually floats upwards and is separated;

(4) the bubbles wrap the sludge and rise to the air floatation gathering plate 14 at the top, then the gathered sludge is discharged to the sludge outlet 16 from the sludge hopper 15, and the sludge is discharged after being continuously concentrated and accumulated along with the smaller cross section area of the sludge outlet 16;

(5) clear water separated from the top of the air floatation contact chamber 2 falls into a clear water collecting device 10 and is discharged from a water outlet 11, a part of clear water is used for dissolving residual ozone, and dissolved ozone water is discharged from a return port 13 under the action of a dissolved air pump 12;

(6) the large-particle sludge in the collecting tank 17 is cleaned regularly and discharged through a large-particle sludge discharging port 18.

In the utility model, the chemical reaction bin 5 plays the roles of chemical reaction, physical ultrasonic reaction and oxidation-reduction reaction of sewage, after the sewage is subjected to the chemical reaction, pollutants are flocculated and gathered and have viscosity, and the sewage and nano ozone bubbles are gathered together to play the roles of sterilization, decoloration and deodorization, so that the discharged sludge is more environment-friendly, and meanwhile, the floating buoyancy is increased, so that the sewage is separated from the top; adopt nanometer ozone bubbles for its utilization ratio improves to more than 95% from traditional 30%, the utility model discloses a multi-functional as an organic whole such as clarifier collection tradition stirring pond, flocculation and precipitation pond, hydrolysis-acidification pond, air supporting machine, disinfection, redox, decoloration of disinfecting practices thrift area and investment cost greatly, and simple high-efficient, and dwell time is shorter, and the treatment effect is better, and row's mud is more smooth and easy.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (5)

1. An ozone electrochemical wastewater purifier, comprising a closed box body (1), characterized in that:

a group of nano ozone generators (4) are arranged outside the box body (1) and are connected with an air floatation contact chamber (2) vertically arranged in the box body (1) through a pipeline, and the cross sectional area of the air floatation contact chamber (2) is sequentially increased from bottom to top;

the lower part of the box body (1) is provided with an annular chemical reaction bin (5), a sewage inlet (6) and a sewage outlet (7) are arranged on the chemical reaction bin, the sewage outlet (7) is connected with the bottom of the air floatation contact chamber (2), and a group of ultrasonic generators (9) are arranged in the chemical reaction bin (5);

a circle of clear water collecting device (10) is connected to the side wall of the middle part of the box body (1), a water outlet (11) and a return opening (13) are arranged on the clear water collecting device (10), and a dissolved air pump (12) connected with the return opening (13) is further arranged in the clear water collecting device;

an air-flotation gathering plate (14) is arranged on the upper portion of the box body (1) which faces the air-flotation contact chamber (2), a group of obliquely-arranged mud hoppers (15) are connected to the outer wall of the air-flotation gathering plate (14), the lower portions of the mud hoppers (15) are connected with mud outlets (16) in the side wall of the box body (1), and the cross sectional areas of the mud outlets (16) are sequentially reduced from top to bottom.

2. The ozone electrochemical wastewater purifier of claim 1, wherein:

a group of folded plates (8) are connected in the chemical reaction bin (5).

3. The ozone electrochemical wastewater purifier of claim 1 or 2, characterized in that:

the mud outlet (16) is a stepped pipeline with a large upper part and a small lower part.

4. The ozone electrochemical wastewater purifier of claim 1 or 2, characterized in that:

a collecting tank (17) is arranged in the box body (1) below the air-floatation contact chamber (2), and a large-particle sludge discharge port (18) is arranged on the collecting tank (17).

5. The ozone electrochemical wastewater purifier of claim 1 or 2, characterized in that:

an observation window (19) is arranged on the side wall of the box body (1) above the clear water collecting device (10) and on the side wall of the box body (1) which is right opposite to the chemical reaction bin (5).

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