CN218202446U

CN218202446U - Sewage multielement catalytic oxidation treatment system

Info

Publication number: CN218202446U
Application number: CN202222398110.0U
Authority: CN
Inventors: 郭栩; 陈绪章
Original assignee: Huangshi Fuchi Water Affairs Co ltd
Current assignee: Huangshi Fuchi Water Affairs Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-03
Anticipated expiration: 2032-09-08

Abstract

The application discloses many first catalytic oxidation processing system of sewage, it includes: a collecting tank for collecting the production wastewater; the adjusting tank, the oxidation tank, the hydrolysis acidification tank, the homogenizing tank, the sedimentation tank and the reuse water tank are sequentially connected with the water collecting tank; an oxygenation device arranged in the oxidation pond and used for providing ozone for the sewage; and the liquid adding device is arranged on the oxidation pond and is used for providing hydrogen peroxide for the sewage in the oxidation pond. This application is when using, can effectual degradation in the sewage macromolecule difficult degradation's opportunity, reinforcing sewage treatment effect improves quality of water.

Description

Sewage multi-element catalytic oxidation treatment system

Technical Field

The application relates to the field of sewage treatment, in particular to a sewage multi-element catalytic oxidation treatment system.

Background

In daily life, a large amount of sewage is usually generated, the sewage mainly comprises domestic sewage and production sewage, and in order to realize the recycling of water resources, the sewage is generally treated by using a sewage treatment system.

At present, because sewage kinds are many, impurity and organic matter kinds that contain in the sewage are also many for whole sewage treatment process is also more complicated, in sewage treatment process, can generally pass through a plurality of processing procedure such as catch basin, equalizing basin, reaction tank, sedimentation tank and disinfection pond, treat at last that sewage treatment can discharge after qualified.

In view of the current situation, the inventor believes that in the process of treating sewage, especially in the process of treating production sewage, the sewage usually contains some organic matters with high molecular weight and difficult degradation, if the sewage is not treated in a targeted manner, the subsequent water quality is easily affected, and the whole sewage effect is poor, and needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sewage polynary catalytic oxidation processing system, the difficult degradable organic meeting of polymer in can effectual degradation sewage strengthens the sewage treatment effect, improves quality of water.

The application provides a sewage polynary catalytic oxidation processing system adopts following technical scheme:

a multi-element catalytic oxidation treatment system for sewage comprises: a collecting tank for collecting the production wastewater; the adjusting tank, the oxidation tank, the hydrolysis acidification tank, the homogenizing tank, the sedimentation tank and the reuse water tank are sequentially connected with the water collecting tank; the oxygenation device is arranged in the oxidation pond and used for providing ozone for sewage; and the liquid adding device is arranged on the oxidation pond and is used for providing hydrogen peroxide for the sewage in the oxidation pond.

Through adopting above-mentioned technical scheme, in the sewage treatment process, through setting up the oxidation pond and set up the oxygenation device that adds ozone in the oxidation pond, because ozone is a strong oxidizer, this application can utilize the strong oxidizing property of ozone, degrade the polymer difficult degradation organic matter in the sewage into the micromolecule material of various easy degradation, thereby can improve subsequent biological treatment effect, and the hydrogen peroxide solution that sets up, also can utilize the strong oxidizing property of self, mutually support together with ozone, accelerate the degradation of high molecule organic matter in the sewage, in order to further strengthen the sewage treatment effect.

The present application further provides that the oxygenation device comprises: exhaust pipes which are uniformly arranged at the bottom of the oxidation pond and are connected with an ozone source; and a plurality of microporous aerators arranged on the exhaust pipe.

Through adopting above-mentioned technical scheme, the even distribution of micropore aerator can make the sewage of each position in the oxidation pond fully contact ozone in the oxidation pond in, makes sewage oxidized relatively even for be favorable to improving whole sewage treatment effect.

The application further provides that the liquid adding device comprises: a mounting frame spanning between the oxidation ponds; a plurality of medicine adding tanks which are detachably arranged on the mounting rack and used for containing hydrogen peroxide; and the metering pump is arranged on the dosing tank and used for metering the hydrogen peroxide so as to discharge the hydrogen peroxide into the oxidation pond according to a preset amount.

By adopting the technical scheme, when hydrogen peroxide is required to be used, the switch can be opened, so that hydrogen peroxide in the dosing tank is discharged into the oxidation tank through the metering pump, and hydrogen peroxide can utilize the strong oxidizing property of the hydrogen peroxide to further promote the oxidation treatment of sewage, so that the rapid decomposition of high-molecular organic matters can be accelerated, and the improvement of the sewage treatment effect is facilitated.

The device further comprises an accident pool, wherein a water inlet of the accident pool is connected with the water collecting pool, and a water outlet of the accident pool is connected with the adjusting pool.

Through adopting above-mentioned technical scheme, the accident pond of setting can keep in the factory accident and the high concentration waste water that discharges, reduces the impact load that these waste water caused sewage treatment system, effectively guarantees sewage treatment system's normal operating.

The application is further provided with a transition tank for connecting the homogenizing tank and the sedimentation tank, and a blower room is arranged at a position close to the transition tank and blows air into the transition tank through a blower pipeline.

Through adopting above-mentioned technical scheme, the fan room that sets up can be with the air drum in the transition pond, further reinforcing is to the treatment effect of sewage.

The sludge treatment device is further provided with a sludge storage tank at a position close to the sedimentation tank, a sludge concentration and dehydration device is arranged at a preset position close to the sludge storage tank, and the sludge in the sedimentation tank can be sequentially discharged into the sludge storage tank and the sludge concentration and dehydration device through a sludge reflux pump.

Through adopting above-mentioned technical scheme, the mud in the sedimentation tank can be collected to the mud storage pond of setting to reduce the impurity in the sewage, and the sludge thickening dewatering device who sets up can carry out dehydration to mud, makes mud form the mud cake, makes things convenient for the clearance of mud.

The device is further provided with an ozone oxidation pond arranged between the sedimentation pond and the reuse water pond, and the ozone oxidation pond is also internally provided with the oxygenation device.

Through adopting above-mentioned technical scheme, the difficult degradation organic matter in the sewage can further be decomposed to the ozone and hydrogen peroxide solution on the basis of the ozone oxidation pond and the oxygenation device that set up for difficult degradation organic matter in the sewage obtains further reduction, thereby can improve the quality of water of follow-up discharge sewage.

The aeration biological filter tank is connected between the ozone oxidation tank and the reuse water tank, and an aeration fan used for guiding air into the aeration biological filter tank is arranged at a position close to a preset position of the aeration biological filter tank.

By adopting the technical scheme, the arranged aeration blower can generate enough pressure, so that gas is fully diffused and contacted in the sewage and the sinking of the gas in the sewage is prevented, and meanwhile, oxygen can be fully stirred and dissolved in liquid to promote the rapid decomposition of organic matters in the sewage.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the oxidation tank in the sewage treatment system and adding ozone and hydrogen peroxide into the oxidation tank, the ozone and the hydrogen peroxide have strong oxidizing property, and interaction can cause synergistic effect, so that macromolecules in sewage can be rapidly decomposed into micromolecules which are easy to degrade and are difficult to degrade, and the sewage treatment effect can be enhanced;

through setting up transition pond and blower room, both mutually support, can strengthen in the air admission transition pond, be favorable to the organic matter fast reaction in the sewage, and the bological aerated filter and the aeration blower that set up can make oxygen intensive mixing and dissolve in liquid on this basis, promote the quick decomposition of organic matter in the sewage.

Drawings

FIG. 1 is a schematic flow chart of sewage treatment in the example of the present application;

FIG. 2 is a schematic diagram of the structure of an oxidation pond in the embodiment of the present application.

Description of reference numerals: 1. a water collecting tank; 10. an accident pool; 2. a regulating tank; 3. an oxidation pond; 31. an exhaust pipe; 32. a microporous aerator; 33. a mounting frame; 34. a medicine adding tank; 4. a hydrolysis acidification pool; 5. a homogenizing tank; 50. a transition pool; 6. a sedimentation tank; 60. a blower room; 61. an ozone oxidation tank; 62. an aeration biological filter; 63. an aeration fan; 7. a reuse water tank; 8. a sludge storage tank; 81. sludge concentration dewatering device.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses many first catalytic oxidation processing system of sewage, as shown in fig. 1 and fig. 2, include: the water collecting tank 1 is mainly used for collecting wastewater generated in the production process, and one side of the water collecting tank 1 is sequentially connected with an adjusting tank 2, an oxidation tank 3, a hydrolysis acidification tank 4, a homogenizing tank 5, a sedimentation tank 6 and a reuse water tank 7.

Waste water is when getting into collecting basin 1, generally can utilize the grid net to filter some very obvious debris in the waste water, then just waste water can get into equalizing basin 2, oxidation pond 3, hydrolysis acidification tank 4 and homogeneity pond 5 in proper order, it needs to explain that, when needs handle domestic sewage, domestic sewage gets into collecting basin 1, after the filtration through the grid net, can directly discharge in homogeneity pond 5, need not pass through preceding equalizing basin 2, oxidation pond 3 and hydrolysis acidification tank 4.

In the process of treating the production wastewater, because the production wastewater contains more macromolecule refractory organic matters, the effect of sewage treatment is poor, therefore, in the embodiment, an oxygen adding device capable of providing ozone is arranged in the oxidation pond 3, because ozone is a strong oxidant, the oxidation reduction potential (2.07V) in water is high, under ideal reaction conditions, most simple substances and compounds in the environment can be oxidized to the highest oxidation state by ozone, or active particles are generated to open molecular bonds, some monoatomic molecules and solid particles are generated, and the strong oxidation degradation effect is provided for organic matters, so that toxic and harmful and high-stability organic matters in water can be oxidized and decomposed.

It should be noted that the reaction of ozone in water can be divided into direct reaction and indirect reaction, and the direct reaction is the reaction of ozone molecules directly with other chemical substances (such as intermediate products, free radicals, etc.); the indirect reaction is a reaction of OH radicals generated by ozonolysis with a compound.

In addition, considering that after the sewage in the oxidation pond is subjected to the reaction of ozone, some difficultly degradable organic meetings may still exist, in order to effectively enhance the sewage treatment effect, in the embodiment, a liquid adding device which provides hydrogen peroxide for the sewage in the oxidation pond 3 is further arranged on the oxidation pond 3, the ozone and the hydrogen peroxide have a combined action, the decomposition of the ozone can be accelerated, the generation of OH is further promoted, OH oxidized organic matters are non-selective, the reaction rate is faster, the degradation efficiency of organic compounds can be effectively improved by utilizing the initiation and the synergistic effect of the hydrogen peroxide and the ozone, and the pretreatment effect of the sewage is ensured.

In this embodiment, the oxygenation device includes: the exhaust pipes 31 are uniformly arranged at the bottom of the oxidation pond 3 and are connected with an ozone source; and a plurality of micro-porous aerators 32 installed on the exhaust pipe 31, when a switch for controlling the ozone source is turned on, ozone can contact with high molecular organic matters in the sewage through the micro-porous aerators 32 and rapidly decompose the organic matters, so as to achieve the purpose of enhancing the sewage effect.

Wherein, liquid feeding device includes: span and install the mounting bracket 33 between oxidation pond 3, install a plurality of dosing tanks 34 that are used for splendid attire hydrogen peroxide through the bolt on mounting bracket 33, dosing tank 34 arranges along the extending direction of mounting bracket 33, for accurate adding hydrogen peroxide for oxidation pond 3, still install the measuring pump on dosing tank 34, the measuring pump can make hydrogen peroxide discharge into oxidation pond 3 according to predetermined volume in, both satisfied sewage treatment's needs, the cost has been saved again.

It should be noted that, the mounting bracket 33 both ends of this embodiment are slidable mounting between oxidation pond 3, and still install drive assembly at oxidation pond 3 top, drive assembly can drive mounting bracket 33 and make a round trip to slide between oxidation pond 3, make the even unrestrained in oxidation pond 3 of hydrogen peroxide solution in the dosing tank 34, it is even to be favorable to the sewage reaction in oxidation pond 3, the drive assembly of this embodiment can adopt servo motor and lead screw combination to come as the power supply, it is rotatory in order to drive the lead screw through opening servo motor, thereby the lead screw is rotatory can drive mounting bracket 33 and slide between oxidation pond 3.

Wherein, preset position near equalizing basin 2 still is provided with accident pond 10, the water inlet in accident pond 10 is connected with catch basin 1, and the delivery port is then connected with equalizing basin 2, the consideration of design lies in like this, when handling factory discharge waste water such as chemical industry, petrochemical industry, sometimes these factories can take place some accidents, can discharge the high concentration of amplification volume and the undulant organic waste water of pH value in the short time, if these waste water directly gets into sewage treatment system, can bring very high impact load for the processing system in operation, and the accident pond 10 that this embodiment set up, the waste water that these accidents produced of can be fine keeping in.

In this embodiment, a transition tank 50 for connecting the homogenization tank 5 and the sedimentation tank 6 is disposed between the homogenization tank 5 and the sedimentation tank 6, and it should be noted that the transition tank 50 in this embodiment refers to an a/O tank, which is a short name of a biological nitrogen and phosphorus removal process, which is a deformation process of a conventional activated sludge process, by disposing an anaerobic tank and an anoxic tank in front of an aerobic tank, the removal function of total phosphorus and total nitrogen in a biological treatment process is enhanced, and in addition, a blower room 60 is disposed at a predetermined position close to the transition tank 50, and a blower pipe is disposed between the blower room 60 and the transition tank 50, and when the blower room 60 is in use, air can be blown into the transition tank 50 through the blower pipe, so as to enhance a sewage treatment effect.

In addition, be provided with sludge storage tank 8 in the position that is close to sedimentation tank 6, preset position near sludge storage tank 8 is provided with sludge thickening dewatering device 81, sludge thickening dewatering device 81 of this embodiment adopts sludge thickening dewatering all-in-one, sludge of sedimentation tank 6 can pass through the sludge reflux pump and arrange into sludge storage tank 8 and sludge thickening dewatering device 81 in proper order, arrange into the mud in sludge thickening dewatering device 81, can form the mud cake after the processing of sludge thickening dewatering all-in-one, in order to make things convenient for the staff to clear up these solidified mud, guarantee the high-efficient processing of sewage.

In addition, it should be noted that the sludge generated by the hydrolysis-acidification tank 4 can also be discharged into the sludge storage tank 8 through a sludge pump, and meanwhile, in the operation process of the hydrolysis-acidification tank 4, regular sampling is also needed and the sludge concentration and effluent SS in the tank body are measured, so that sludge discharge and sludge supplement are needed according to specific conditions, the sludge discharge is carried out through static pressure of an underwater perforated pipe, and the sludge supplement is carried out by opening a butterfly valve of a sludge backflow branch pipe at the top of the hydrolysis-acidification tank.

In this embodiment, be provided with ozone oxidation pond 61 between sedimentation tank 6 and reuse water tank 7, and also be provided with the oxygenation device in ozone oxidation pond 61, the ozone oxidation pond 61 and the oxygenation device of setting can further decompose the difficult degradation organic matter in the sewage on the basis of ozone and hydrogen peroxide solution for the difficult degradation organic matter in the sewage obtains further reduction, thereby can improve the quality of water of follow-up discharge sewage.

In addition, an aeration biological filter 62 for connecting the ozone oxidation pond 61 and the reuse water pond 7 is arranged between the two ponds, an aeration fan 63 for introducing air into the aeration biological filter 62 is arranged at a preset position close to the aeration biological filter 62,

after the sewage is subjected to ozone oxidation in the ozone oxidation tank 61, the wastewater can enter the biological aerated filter 62 to further remove pollutants, the biological aerated filter 62 removes organic matters and depends on biological oxidation, remarkable bioadsorption and filtration effects exist, not only pollutants with large particle sizes can be removed, but also some substances with weak biodegradability can be removed by adsorption, in addition, the aeration fan 63 can be started to fully diffuse and contact gas in the sewage and prevent suspended matters in the sewage from sinking, and meanwhile, oxygen can be fully stirred and dissolved in liquid, so that the rapid decomposition of the organic matters in the sewage is promoted.

The sewage can enter the reuse water tank 7 after being sequentially treated by the biological aerated filter 62, then the water quality in the reuse water tank 7 is detected, if the biological aerated filter 62 is not in place for treatment, the water in the reuse water tank 7 can be pumped into the biological aerated filter 62 by a water pump for retreatment, and the sewage can be conveyed to a preset position after being qualified.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a sewage polynary catalytic oxidation processing system which characterized in that includes: a collecting tank (1) for collecting the production wastewater;

an adjusting tank (2), an oxidation tank (3), a hydrolysis acidification tank (4), a homogenizing tank (5), a sedimentation tank (6) and a reuse water tank (7) which are sequentially connected with the water collecting tank (1);

the oxygenation device is arranged in the oxidation pond (3) and used for providing ozone for sewage;

and the liquid adding device is arranged on the oxidation pond (3) and is used for providing hydrogen peroxide for the sewage in the oxidation pond (3).

2. The multiple catalytic oxidation treatment system for sewage according to claim 1, wherein the oxygenation device comprises: an exhaust pipe (31) which is uniformly arranged at the bottom of the oxidation pond (3) and is connected with an ozone source; and a plurality of micro-porous aerators (32) mounted on the exhaust pipe (31).

3. The multiple catalytic oxidation treatment system for sewage according to claim 1, wherein the liquid adding device comprises: a mounting frame (33) installed across the oxidation pond (3); a plurality of dosing tanks (34) which are detachably arranged on the mounting rack (33) and are used for containing hydrogen peroxide; and a metering pump which is arranged on the dosing tank (34) and is used for metering the hydrogen peroxide so as to discharge the hydrogen peroxide into the oxidation pond (3) according to a preset amount.

4. The multi-element catalytic oxidation treatment system for sewage according to claim 1, further comprising an accident pool (10), wherein the water inlet of the accident pool (10) is connected with the water collecting pool (1), and the water outlet of the accident pool (10) is connected with the adjusting pool (2).

5. The multiple catalytic oxidation treatment system for sewage according to claim 1, wherein a transition tank (50) for connecting the homogenizing tank (5) and the sedimentation tank (6) is arranged between the homogenizing tank and the sedimentation tank, and a blower room (60) is arranged near the transition tank (50), wherein the blower room (60) blows air into the transition tank (50) through a blower pipeline.

6. The sewage multi-element catalytic oxidation treatment system according to claim 1, wherein a sludge storage tank (8) is arranged at a position close to the sedimentation tank (6), a sludge thickening and dewatering device (81) is arranged at a predetermined position close to the sludge storage tank (8), and the sludge in the sedimentation tank (6) can be discharged into the sludge storage tank (8) and the sludge thickening and dewatering device (81) in sequence through a sludge reflux pump.

7. The multi-element catalytic oxidation treatment system for sewage according to claim 1, wherein an ozone oxidation tank (61) is arranged between the sedimentation tank (6) and the reuse water tank (7), and the oxygenation device is also arranged in the ozone oxidation tank (61).

8. A multi-component sewage catalytic oxidation treatment system according to claim 7, wherein an aeration biological filter (62) is provided between the ozonation tank (61) and the reuse water tank (7) for connecting the two, and an aeration fan (63) for introducing air into the aeration biological filter (62) is provided at a position near a predetermined position of the aeration biological filter (62).