CN219156572U

CN219156572U - Ozone source air floatation treatment device

Info

Publication number: CN219156572U
Application number: CN202320082218.0U
Authority: CN
Inventors: 杨夏军; 李旭东; 刘松琴; 殷寿康
Original assignee: Yunnan Zhengchen Environmental Technology Co ltd
Current assignee: Yunnan Zhengchen Environmental Technology Co ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-06-09
Anticipated expiration: 2033-01-28

Abstract

The utility model discloses an ozone source air flotation treatment device, which relates to the technical field of sewage treatment and comprises a device main body, wherein a flocculation reaction area, a dissolved air release area, a solid-liquid separation area and a clear water area are sequentially arranged in the device main body from left to right, and a slag discharge groove is fixedly arranged above the left side in the clear water area; the device is characterized in that an accommodating cavity is formed in the device body and located right below the flocculation reaction area, and a dissolved air tank is arranged in the accommodating cavity. The utility model can simultaneously realize two functions of ozone oxidation and air flotation separation by changing the air supply source from natural air to ozonized air, and can reduce the load of the subsequent process and improve the biodegradability of the sewage, greatly improve the continuity and stability of the whole process, improve the working efficiency of sewage treatment and reduce the cost and load of the subsequent treatment aiming at solving the problem of difficult treatment of high-concentration high-biotoxicity wastewater produced by some special industries.

Description

Ozone source air floatation treatment device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an ozone source air floatation treatment device.

Background

With the continuous development of sewage treatment technology, the air flotation machine is used as the most important component part of sewage treatment pretreatment and is widely applied to the treatment fields of municipal sewage and industrial wastewater such as slaughter, electroplating, refining, meat processing, textile printing and dyeing, chemical industry, oil refining, brewing, vegetable oil production and the like.

The ozone source air floatation machine is a novel air floatation device, has obvious effect in sewage treatment equipment, and utilizes micro bubbles to enable impurities in a medium to float out of the water surface; the micro-bubbles are used as carriers to adhere impurity particles in water, the particles are carried by the bubbles and float to the water surface, and the particles are separated from water by a separating device, so that the purpose of solid-liquid separation is achieved.

At present, the existing air floatation treatment equipment is basically the same in size, natural air is adopted as a gas source by an air floatation machine, dissolved air and coagulated colloid in the air floatation treatment equipment adsorbs solid particles in sewage, but high-concentration high-biotoxicity waste water produced by some special industries, such as waste water in the printing and dyeing industry, and some benzene ring macromolecular organic matters in the waste water cannot be removed by the air floatation equipment, so that the load of a next treatment unit cannot be effectively reduced, and the air floatation treatment efficiency is greatly reduced;

therefore, aiming at the wastewater, the quality of a pre-pretreatment link directly determines whether the subsequent treatment process can reach the standard, but the pretreatment link has low efficiency, and the problem can be solved only by the subsequent process needing to input more facilities, so that the overall construction cost is increased intangibly;

the existing air floatation device has single air floatation function, cannot solve the requirement of the waste water on a pretreatment link, has high COD value and large chromaticity of the waste water, and also has organic matters which are difficult to degrade and chromaticity of part which are difficult to remove, so in order to solve the problems, an ozone source air floatation treatment device is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an ozone source air floatation treatment device.

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

an ozone source air floatation treatment device comprises a device main body, wherein a flocculation reaction area, a dissolved air release area, a solid-liquid separation area and a clear water area are sequentially arranged in the device main body from left to right, and a slag discharge groove is fixedly arranged above the left side in the clear water area;

the device comprises a flocculation reaction zone, a flocculation reaction chamber, a flocculation reaction gas tank, an ozone generator, a dissolved gas pump, a flocculation reaction gas tank and a flocculation reaction gas tank, wherein the device body is internally provided with the accommodation chamber, the accommodation chamber is positioned right below the flocculation reaction zone, the dissolved gas tank is internally provided with the flocculation reaction gas tank, the back surface of the device body is provided with the ozone generator, and the top of the ozone generator is fixedly provided with the dissolved gas pump;

the air inlet end of the dissolved air pump is connected with an ozone generator, the water inlet end of the dissolved air pump is communicated with the clear water area through a water supply pipe, and the output end of the dissolved air pump is connected with the inlet of the dissolved air tank through a pipeline;

two annular dissolved air release pipes are arranged at the bottom of the inner side of the dissolved air release area, a plurality of release heads are fixedly arranged at the tops of the two dissolved air release pipes, and the two dissolved air release pipes are communicated with the dissolved air tank.

Further, the water inlet is installed in the front of flocculation reaction district, the medicament case is installed through the support in the top of flocculation reaction district, the administration pipe is installed to the bottom of medicament case, administration pipe internally mounted has the solenoid valve.

Further, a gate is installed on one side of the flocculation reaction zone, and a lifting mechanism is installed on one side of the top of the flocculation reaction zone and is connected with the gate.

Further, an inclined solid conveying belt is arranged between the front side and the rear side of the inside of the solid-liquid separation area, an inclined scraping plate is fixedly arranged on the left side of the slag discharging groove, and one side of the scraping plate is in contact with the bottom of the solid conveying belt.

Further, screw conveying rollers are rotatably arranged between the front side and the rear side of the slag discharge groove, two motors are arranged on the front side of the device main body, the two motors are in transmission connection with the solid conveying belt and the screw conveying rollers, and a filter screen is arranged at the bottom of the slag discharge groove.

Further, a drain pipe is arranged on one side of the clear water zone, and a slag discharging pipe is arranged on one side of the slag discharging groove.

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

compared with the prior art, the utility model changes the natural air source into ozonized air, and can simultaneously realize two functions of ozone oxidation and air flotation separation;

according to the utility model, the flocculant is added into the flocculation reaction zone, so that solid particles can be efficiently adsorbed and removed, and meanwhile, the turbidity, chromaticity, organic pollutants and microorganisms of sewage can be effectively removed due to the existence of ozone in the dissolved gas release zone;

the utility model aims at solving the problem that high-concentration high-biotoxicity wastewater generated in special industries is difficult to treat, can reduce the load of the subsequent process, improves the biodegradability of the wastewater, greatly improves the continuity and stability of the whole process, can improve the working efficiency of wastewater treatment, and reduces the cost and load of the subsequent treatment.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is one of the cross-sectional views of the present utility model;

FIG. 3 is a second cross-sectional view of the present utility model.

In the figure: 1. a device body; 2. a gate; 3. a medicament box; 4. a lifting mechanism; 5. a dissolved air pump; 6. a dissolved gas release zone; 7. a solid-liquid separation zone; 8. a scraper; 9. a spiral conveying roller; 10. a clear water zone; 11. a solid conveyor belt; 12. a flocculation reaction zone; 13. a dissolved air tank; 14. a slag discharge groove; 15. a filter screen; 16. an ozone generator.

Description of the embodiments

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1-3, an ozone source air flotation treatment device comprises a device main body 1, wherein a flocculation reaction zone 12, a dissolved gas release zone 6, a solid-liquid separation zone 7 and a clear water zone 10 are sequentially arranged in the device main body 1 from left to right, and a slag discharge groove 14 is fixedly arranged above the left side in the clear water zone 10;

the device comprises a device main body 1, a flocculation reaction zone 12, a dissolved air tank 13, an ozone generator 16, a dissolved air pump 5 and a flocculation reaction zone 5, wherein the interior of the device main body 1 is provided with a containing cavity which is positioned right below the flocculation reaction zone 12; the air inlet end of the dissolved air pump 5 is connected with an ozone generator 16, the water inlet end of the dissolved air pump 5 is communicated with the clear water zone 10 through a water supply pipe, and the output end of the dissolved air pump 5 is connected with the inlet of the dissolved air tank 13 through a pipeline; two annular dissolved air release pipes are arranged at the bottom of the inner side of the dissolved air release zone 6, a plurality of release heads are fixedly arranged at the tops of the two dissolved air release pipes, and the two dissolved air release pipes are communicated with the dissolved air tank 13;

the ozone generator 16 can generate ozone and convey the ozone into the dissolved air pump 5, the dissolved air pump 5 can extract water in the clear water zone 10 through a water supply pipe, and can carry out gas-liquid mixing on the ozone and the water to form dissolved air water, the dissolved air water is stored in the dissolved air tank 13, the dissolved air water in the dissolved air tank 13 is suddenly released through a release head on a dissolved air release pipe to form micro bubbles with the particle size of 40-50 microns, the micro bubbles flow into the solid-liquid separation zone 7 together, the dissolved air water is mixed and contacted with flocculate particles after flocculation reaction in the solid-liquid separation zone 7, and floating upwards to form scum, so that the air floatation function is realized, and part of refractory organic substances can be removed by ozone oxidation.

A water inlet is arranged on the front surface of the flocculation reaction zone 12 and is connected with front-end process equipment for sewage treatment, a medicament box 3 is arranged at the top of the flocculation reaction zone 12 through a bracket, a medicament administration pipe is arranged at the bottom of the medicament box 3, and an electromagnetic valve is arranged in the medicament administration pipe;

flocculant is stored in the medicine box 3, and the medicine box 3 can throw in the flocculant into the reaction searching area 12 through a dosing pipe, so that the flocculant adsorbs particulate matters.

A gate 2 is arranged on one side of the flocculation reaction zone 12, a lifting mechanism 4 is arranged on one side of the top of the flocculation reaction zone 12, the lifting mechanism 4 is connected with the gate 2, the gate 2 can be opened through the lifting mechanism 4, after the gate 2 is opened, water in the flocculation reaction zone 12 flows into a dissolved gas release zone 6, and the position of the dissolved gas release zone 6 is lower than that of the flocculation reaction zone 12;

after flocculation reaction, the formed flocs flow into the dissolved air release area 6 to be fully contacted and mixed with dissolved air water, in the process, organic matters in the water body are oxidized by ozone, and meanwhile, the ozone can oxidize surfactant in wastewater, so that the separation efficiency of the device on colloid pollutants is improved.

An inclined solid conveying belt 11 is arranged between the front side and the rear side of the inside of the solid-liquid separation area 7, an inclined scraping plate 8 is fixedly arranged on the left side of the slag discharging groove 14, and one side of the scraping plate 8 is abutted against the bottom of the solid conveying belt 11. A spiral conveying roller 9 is rotatably arranged between the front side and the rear side of the interior of the slag discharge groove 14, two motors are arranged on the front side of the device main body 1 and are in transmission connection with the solid conveying belt 11 and the spiral conveying roller 9, and a filter screen 15 is arranged at the bottom of the slag discharge groove 14; a drain pipe is arranged at one side of the clear water zone 10, and a slag discharging pipe is arranged at one side of the slag discharging groove 14;

the solid conveyor belt 11 can convey the pollutants deposited in the solid-liquid separation zone 7 into the slag discharge groove 14, and the overflowed water in the solid-liquid separation zone 7 flows into the slag discharge groove 14, is filtered by the filter screen 15 at the bottom of the slag discharge groove 14 and is stored in the clear water zone;

when the spiral conveying roller 9 is driven to rotate by the motor, pollutants in the slag discharging groove 14 can be sent out through the slag discharging pipe.

The utility model can simultaneously realize the high-efficiency removal of suspended matters and soluble organic matters, and simultaneously realize the removal of most soluble matters and insoluble matters in water, such as: colloid and suspended substances can be effectively removed.

The biodegradability of the wastewater and the sewage treated by the method is improved, the subsequent process load is reduced, the continuity and the stability of the whole process are greatly improved, the working efficiency of sewage treatment is improved, the subsequent treatment cost is reduced, and the wastewater treatment method is beneficial to meeting various indexes in the water discharged after the quality reaches the standard.

Claims

1. An ozone source air floatation treatment device comprises a device main body (1), and is characterized in that a flocculation reaction zone (12), a dissolved air release zone (6), a solid-liquid separation zone (7) and a clear water zone (10) are sequentially arranged in the device main body (1) from left to right, and a slag discharge groove (14) is fixedly arranged above the left side in the clear water zone (10);

the device comprises a flocculation reaction zone (12), and is characterized in that an accommodating cavity is formed in the device main body (1), the accommodating cavity is located under the flocculation reaction zone (12), a dissolved air tank (13) is arranged in the accommodating cavity, an ozone generator (16) is arranged on the back surface of the device main body (1), and a dissolved air pump (5) is fixedly arranged at the top of the ozone generator (16);

the air inlet end of the dissolved air pump (5) is connected with an ozone generator (16), the water inlet end of the dissolved air pump (5) is communicated with the clean water area (10) through a water supply pipe, and the output end of the dissolved air pump (5) is connected with the inlet of the dissolved air tank (13) through a pipeline;

two annular dissolved air release pipes are arranged at the bottom of the inner side of the dissolved air release area (6), a plurality of release heads are fixedly arranged at the tops of the two dissolved air release pipes, and the two dissolved air release pipes are communicated with the dissolved air tank (13).

2. The ozone source air flotation treatment device according to claim 1, wherein the front surface of the flocculation reaction zone (12) is provided with a water inlet, the top of the flocculation reaction zone (12) is provided with a medicament box (3) through a bracket, the bottom of the medicament box (3) is provided with a dosing pipe, and the inside of the dosing pipe is provided with an electromagnetic valve.

3. An ozone source air flotation treatment device according to claim 2, characterized in that a gate (2) is mounted on one side of the flocculation reaction zone (12), a lifting mechanism (4) is mounted on one side of the top of the flocculation reaction zone (12), and the lifting mechanism (4) is connected with the gate (2).

4. The ozone source air flotation treatment device according to claim 1, wherein an inclined solid conveying belt (11) is arranged between the front side and the rear side of the inside of the solid-liquid separation zone (7), an inclined scraper blade (8) is fixedly arranged on the left side of the slag discharging groove (14), and one side of the scraper blade (8) is abutted against the bottom of the solid conveying belt (11).

5. The ozone source air flotation treatment device according to claim 4, wherein a spiral conveying roller (9) is rotatably arranged between the front side and the rear side of the interior of the slag discharge groove (14), two motors are arranged on the front side of the device main body (1), the two motors are in transmission connection with the solid conveying belt (11) and the spiral conveying roller (9), and a filter screen (15) is arranged at the bottom of the slag discharge groove (14).

6. An ozone source air flotation treatment device according to claim 1, characterized in that a drain pipe is installed on one side of the clear water zone (10), and a slag discharge pipe is installed on one side of the slag discharge groove (14).