CN209974394U - Super nanometer bubble circulation ozone sewage treatment plant - Google Patents
Super nanometer bubble circulation ozone sewage treatment plant Download PDFInfo
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- CN209974394U CN209974394U CN201821168667.2U CN201821168667U CN209974394U CN 209974394 U CN209974394 U CN 209974394U CN 201821168667 U CN201821168667 U CN 201821168667U CN 209974394 U CN209974394 U CN 209974394U
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Abstract
The utility model belongs to the technical field of sewage treatment, a super nanometer bubble circulation ozone sewage treatment plant is disclosed. The device comprises an ozone reaction kettle, an ozone generating head, a super nano bubble generator, a filtering device and a waste residue collector; the super nano bubble generator and the filtering device are positioned at the bottom in the cavity of the ozone reaction kettle, the top of the super nano bubble generator is communicated with the bottom of the filtering device, a purified water outlet extends from the inside of the filtering device to the outside of the ozone reaction kettle, and is provided with a three-way valve which is connected with a back washing pump of the filtering device; the top of the side surface of the ozone reaction kettle is provided with a sewage inlet and an ozone water inlet, the bottom of the side surface of the reaction kettle is provided with a COD detection head and a sewage outlet, and the sewage outlet flows to the ozone generation head and then enters the ozone water inlet; an opening at the upper end of the waste residue collector is connected with the bottom of the ozone reaction kettle, a backflow baffle is arranged inside the waste residue collector, and the backflow baffle is connected with a rotating rod capable of adjusting the self-lifting.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, in particular to super nanometer bubble circulation ozone sewage treatment plant.
Background
In the existing sewage treatment process technology, the anaerobic membrane bed is a high-efficiency sewage anaerobic treatment process, and has the advantages of fast start, difficult sludge loss, capability of selecting fillers made of different materials and the like. The aeration biological filter tank is also a high-efficiency sewage aerobic treatment process, and has the greatest advantage of integrating the functions of biological oxidation and suspended solid interception, thereby saving a secondary sedimentation tank. The method has the disadvantages that the sewage treatment reaction time in the anaerobic treatment process is longer, and a large-area treatment tank is needed, so that the problem that the system occupied area of the sewage tank adopting the treatment process is lower while the treatment capacity is achieved is caused; the aerobic treatment process has the defects of high requirement on the suspended matter concentration SS of inlet water, large head loss and need of periodic back washing. In addition, the COD level of the sewage in the two processes is easy to generate large fluctuation, so that the process and the result of sewage treatment become uncontrollable.
In the whole process, various sewage treatment systems are mostly subjected to anaerobic and aerobic secondary biochemical processes. Obviously, the sewage treatment system adopting the process has the defects of an anaerobic treatment process and an aerobic treatment process at the same time. Namely, under the conditions of large building occupation area, lower treatment capacity and higher requirements on sewage pretreatment, various agents need to be added into the sewage for adjustment, so that the treatment period is prolonged, the operation cost is increased, and the sludge production is increased.
Therefore, how to adopt the two processes and overcome the defects of the two processes, how to improve the treatment efficiency of the system, reduce the operation cost, save the floor area of the building and make the sewage treatment process more stable and controllable becomes a technical problem which is generally required to be solved in the industry.
In addition, in the sewage treatment process in the prior art, nano bubbles and ozone water are applied. As is well known in the industry, the bursting of the nano bubbles can break the molecular chemical bonds of organic matters such as oil stains and the like, thereby realizing the degradation effect. And the smaller the bubbles, the more remarkable the effect. In addition, the nano bubbles also have a remarkable effect on removing colloids in sewage. Ozone is a substance with strong oxidizing property, and can effectively degrade organic matters in sewage through advanced oxidation reaction.
However, due to technical limitations, nanobubbles of smaller diameter are difficult to generate; ozone gas is difficult to directly apply to sewage treatment, ozone water is difficult to prepare, and the effective time is short (the ozone concentration in water is 6.25 x 10)-3mg/L, and the half-life period is 5-30 minutes). Leading to the difficulty of large-scale application of the two methods in the field of sewage treatment.
How to better apply the two technologies in sewage treatment, give play to the characteristics of the technologies, and innovate the existing sewage treatment process and system, becomes the focus of general attention in the field.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a super nano bubble circulating ozone sewage treatment device; the device aims at carrying out efficient degradation on sewage solution so as to improve the working efficiency of sewage treatment and fully exert the advantages of super nano bubble technology and strong oxidizing property of ozone.
The utility model discloses the purpose is realized through following technical scheme:
a super nanometer bubble circulation ozone sewage treatment device comprises an ozone reaction kettle, an ozone generating head, a super nanometer bubble generator, a filtering device and a waste residue collector; the super nano bubble generator and the filtering device are positioned at the bottom in the cavity of the ozone reaction kettle, the top of the super nano bubble generator is communicated with the bottom of the filtering device, a purified water outlet extends from the inside of the filtering device to the outside of the ozone reaction kettle, and is provided with a three-way valve which is connected with a back washing pump of the filtering device; the top of the side surface of the ozone reaction kettle is provided with a sewage inlet and an ozone water inlet, the bottom of the side surface of the reaction kettle is provided with a COD detection head and a sewage outlet, and the sewage outlet flows to the ozone generation head and then enters the ozone water inlet; the waste residue collector is the back taper, its upper end opening is connected with ozone reation kettle bottom, reaction waste residue in the ozone reation kettle falls into the waste residue collector that is located its bottom under the action of gravity, the inside backward flow baffle that is equipped with of waste residue collector, the swing arm that can adjust its self lift is connected to the backward flow baffle, the top of swing arm extends to ozone reation kettle's top surface outside, be provided with the response waste residue inductive probe whether the response waste residue is amasss fully below the backward flow baffle, waste residue collector bottom is provided with the response valve, waste residue inductive probe connects the response valve.
The super nano bubble generator is connected with an air compressor arranged outside the ozone reaction kettle through a pipeline; the number of the ozone generating heads is 1-3, and is determined according to the design treatment capacity and treatment requirement of a specific system, and at most 3 ozone generating heads can basically meet the requirement under general conditions; the top of the rotary rod is provided with scales.
Preferably, the inner wall surfaces of the ozone reaction kettle and the super nanometer bubble tank are coated with anti-corrosion and anti-adhesion coatings.
The principle of the utility model is that:
(1) the utility model adopts the super nanometer bubble and the ozone water to treat the sewage together, and achieves the treatment effect that both are difficult to reach when being used independently. The super nano bubbles promote the ozone water to generate hydroxyl when reacting with the sewage, promote the degradation of the organic pollutants in the sewage by the ozone water, and achieve the treatment effect which is difficult to achieve by using the ozone water alone; in addition, the super nano bubbles have better treatment effect on nitrogen, phosphorus and COD in the sewage. The super nano bubbles are generally used in the sewage pretreatment stage, the ozone water is generally used in the sewage advanced treatment, and in short, under the prior art condition, the two can not be used simultaneously.
(2) The ozone water used for treating sewage of the utility model is derived from sewage and acts on the sewage (the ozone water is prepared from the sewage and is unavailable under the prior art condition). The prior method is that firstly, an ozone generator is used for preparing ozone, the ozone is directly introduced into the sewage to be treated, or the ozone generator prepares ozone water from clear water and then the ozone water is added into the sewage to be treated; however, the process of preparing ozone in the prior art has high risk, high corresponding facility cost and very low efficiency. Compared with the prior method, the utility model is more convenient, safe and economical.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
1. the technical proposal of the utility model adopts the super nano bubble generator to generate the super nano bubble to cooperate with the ozone generation head to electrolyze and generate ozone water to efficiently degrade the sewage solution, thereby degrading the organic pollutant in the sewage solution into carbon dioxide (CO)2) And water (H)2O) and waste residue which is difficult to dissolve in water, wherein the waste residue is uniformly collected by a waste residue collector under the action of self weight. The utility model discloses technical scheme's super nanometer bubble circulation ozone sewage treatment plant can make up or independently apply to in sewage treatment and environmental protection's the relevant field as a module in practical application, specifically, the accessible uses the ozone water of different concentrations to carry out purification treatment to the sewage of different situation quality of water. Meanwhile, the super nanobubbles can be effectively combined with the filtering device, so that sewage treatment by the super nanobubbles is realized, and organic pollutant impurities in the sewage can be prevented from being adhered to the surface of the filtering device to influence the filtering effect.
2. The utility model discloses technical scheme's super nanometer bubble circulation ozone device can regard as one of sewage treatment system's module, has advantages such as can realize unmanned management and automatic processing different quality of water condition sewage.
3. The utility model discloses technical scheme's super nanometer bubble circulation ozone device effectively solves prior art's sewage treatment device area too big, the running cost is higher, sewage treatment dwell time long grade technical problem as sewage treatment system's module.
4. The device of the utility model is provided with the backflow baffle in the waste residue collector, and the distance between the control baffle 17 and the inner wall of the waste residue collector leads the waste residue to be gathered and not to backflush back to the ozone reaction kettle along with water flow in the process of stirring sewage; the defect that the waste residue flows back to the ozone reaction kettle is as follows: the ozone reacts with the ozone to influence the sewage treatment effect; impact and collide the microfiltration membrane and destroy the filter membrane to the adhesion influences its filter effect on considering the hole, and the utility model discloses the fine solution these problems of the backward flow baffle that sets up.
Adopt the utility model discloses the device carries out super nanometer bubble circulation ozone sewage treatment's technology, compares with prior art, has following advantage and beneficial effect:
1. high-concentration ozone water is adopted to carry out advanced chemical reaction on organic matters in the sewage, and the stability of COD value can be maintained on the basis of reducing the COD value of the sewage.
2. Other chemical agents are not required to be added in the whole process, so that the sludge production is greatly reduced. In the traditional sewage treatment process, chemical agents such as caustic soda, polyaluminium chloride and the like are added in the coagulation air flotation process, and the chemical agents can finally become and increase the yield of sludge. The process does not need to additionally add the medicaments in the sewage treatment process, and the process generates less sludge, so that the sludge generation amount of the whole process is effectively controlled; meanwhile, the pollutants in the wastewater are strongly oxidized by the operation of the advanced oxidation system, so that the organic pollutants are fully oxidized into carbon dioxide (CO)2) And water (H)2O), and simultaneously separating part of pollutants which are difficult to dissolve in water out of the water body through waste residues; thereby reducing the addition amount of chemical agents or not adding the chemical agents and reducing the output of the sludge.
3. Compared with the traditional sewage treatment process, the process has strong sewage treatment capacity and short sewage treatment time, and can replace a biochemical system consuming time and materials. The main process of the traditional sewage treatment process is to degrade organic pollutants by using anaerobic and aerobic biochemical reactions. The metabolism speed of the microorganisms and the metabolism of the microorganisms are easily influenced by the external environment, so that the sewage treatment capacity is limited and the treatment speed is low, and the treatment capacity of a sewage treatment system is indirectly limited and the treatment process is long in time consumption. In the process, the organic matters are degraded by adopting the super nano bubbles and the high-concentration ozone water, so that the degradation efficiency is high, the efficiency is not influenced by water conditions, and the superiority of the process in the aspects of treatment capacity and treatment time consumption is ensured.
4. The process has strong combinability with other sewage treatment processes, and equipment using the process and corresponding treatment capacity have strong expansibility, and the process can be used as a module to be conveniently combined with various sewage treatment equipment. In addition, the process equipment is suitable for treating various kinds of sewage, and can achieve the treatment effect by increasing the number of ozone generating heads or prolonging the treatment time aiming at the sewage with different water quality conditions.
5. The system applying the process has the advantages of flexibility in structure, adaptability to various space and environmental conditions, low design requirement on the system and land space saving, and is a high-efficiency and low-cost sewage treatment process.
6. In addition, the super nano bubbles adopted in the process generate the conductive nano diamond material on the plane by the bubbles, the super nano bubbles with the diameter less than 1 mu m can be prepared, and in the process of separating oil stains and colloidal pollutants by utilizing the super nano bubbles, the huge destructive power generated by the bursting of the bubbles can destroy molecular chemical bonds so as to decompose the super nano bubbles into other substances. Can efficiently remove oil stains, colloid pollutants and other organic pollutants in the sewage without adding other reagents. Because the use amount of reagents used for removing oil stains and colloids is reduced, the production amount of sludge in the process is greatly reduced, sewage with better water quality conditions is provided for the subsequent treatment process, and the treatment effect of the system is ensured.
7. Can replace a biochemical system and has the advantage of stabilizing the COD of the sewage. Microorganisms in the traditional biochemical system have certain requirements on the stability of COD, and the ecological system has the danger of collapse under the condition of unstable COD. The sewage treatment effect produced by the method can reach or even exceed that of a biochemical system. In addition, the stability of the system is improved, and the continuous sewage treatment capacity of the system is easier to maintain.
Drawings
FIG. 1 is a schematic structural view of a super nanobubble circulating ozone sewage treatment device according to the present invention; wherein 1 is ozone reation kettle, 2 is filter equipment, 3 is super nanometer bubble generator, 4 is the waste residue collector, 5 is air compressor, 6 is ozone generation head, 7 is super nanometer bubble, 8 is the reaction waste residue, 9 is the induction valve, 11 is the sewage entry, 12 is the sewage export, 13 is the ozone water entry, 14 is the water purification export, 15 is the back flush pump, 16 is the three-way valve, 17 is the backward flow baffle, 18 is the swing arm, 19 is COD detection head, 20 is waste residue inductive probe.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Example 1
The super nano bubble circulating ozone sewage treatment device related to the embodiment is shown in fig. 1, and comprises an ozone reaction kettle 1, an ozone generating head 6, a super nano bubble generator 3, a filtering device 2 and a waste residue collector 4; the super nano bubble generator 3 and the filtering device 2 are positioned at the bottom in the cavity of the ozone reaction kettle 1, the top of the super nano bubble generator 3 is communicated with the bottom of the filtering device 2, a purified water outlet 14 extends from the inside of the filtering device 2 to the outside of the ozone reaction kettle 1, the purified water outlet 14 is provided with a three-way valve 16, and the three-way valve 16 is connected with a back washing pump 15 of the filtering device 2; the top of the side surface of the ozone reaction kettle 1 is provided with a sewage inlet 11 and an ozone water inlet 13, the bottom of the side surface of the reaction kettle is provided with a COD detection head 19 and a sewage outlet 12, and the sewage outlet 12 flows to the ozone generation head 6 and then enters the ozone water inlet 13; the waste residue collector 4 is in an inverted cone shape, an opening at the upper end of the waste residue collector is connected with the bottom of the ozone reaction kettle 1, reaction waste residue 8 in the ozone reaction kettle 1 falls into the waste residue collector 4 positioned at the bottom of the ozone reaction kettle under the action of gravity, a backflow baffle plate 17 is arranged inside the waste residue collector 4, the backflow baffle plate 17 is connected with a rotary rod 18 capable of adjusting the self-lifting of the backflow baffle plate, the top of the rotary rod 18 extends out of the top surface of the ozone reaction kettle 1, a waste residue induction probe 20 for sensing whether the waste residue is fully accumulated is arranged below the backflow baffle plate 17, an induction valve 9 is arranged at the bottom of the waste; the super nano bubble generator 3 is connected with an air compressor 5 arranged outside the ozone reaction kettle through a pipeline.
The working principle of the super nanometer bubble circulation ozone sewage treatment device provided by the embodiment is as follows:
firstly, a certain amount of sewage solution which is subjected to pretreatment and pH value adjustment in a water collecting well is introduced through a sewage inlet 11 at the top of the side surface of an ozone reaction kettle 1, so that a certain amount of sewage solution is filled in the ozone reaction kettle 1, a certain amount of sewage is sucked into an ozone generation head 6 through a sewage outlet 12 at the bottom of the ozone reaction kettle 1 to be used as an original material for generating ozone gas, a sewage water body enters the ozone generation head 6 from the sewage outlet 12 and is electrolyzed to generate ozone water, and then enters the ozone reaction kettle 1 from an ozone water inlet 13 to degrade the sewage.
Meanwhile, an air compressor 5 is started to provide a high-pressure gas source for the super nano bubble generator 3, the high-pressure gas generates super nano bubbles 7 with the diameter smaller than 1 mu m after passing through the super nano bubble generator 3, the super nano bubbles 7 enter the sewage solution in the ozone reaction kettle 1 after passing through the filtering micropores on the surface of the multi-layer filtering membrane in the filtering device 2, meanwhile, the super nano bubbles 7 are continuously broken in the rising process, so that the ozone water and the sewage are fully mixed, the organic pollutants in the sewage are efficiently degraded, the degraded organic pollutants become reaction waste residues 8 and automatically settle in the waste residue collector 4 to be collected, the reflux baffle 17 helps to lead the waste residues to be gathered and not to be back flushed back to the ozone reaction kettle along with the water flow in the stirring process of the sewage, when the waste residue induction probe 20 senses that the waste residues are piled up to the reflux baffle 17, the induction valve 9 is opened to discharge the waste residues, the induction valve is closed again after the waste residues are discharged, and the waste residues are collected continuously (in the process of discharging the waste residues by opening the induction valve 9, a small amount of sewage is also discharged together, and the sewage flows back into the water collecting well to enter the subsequent treatment process). Through the height of 18 adjustment baffle 17 of bull stick, there is the scale of baffle 17 height on the bull stick to its height of big or small degree and volume adjustment according to the waste residue granule, reach the purpose of distance between control baffle 17 and the waste residue collector inner wall with restraint waste residue backward flow, distance and ozone reation kettle cross sectional area ratio scope between control baffle 17 and the waste residue collector inner wall are 1: (1-1000).
The COD value of the sewage is detected in real time through the COD detection head 19, when the COD value of the sewage meets the treatment requirement, the ozone reaction kettle stops preparing ozone, a valve of the purified water outlet 14 is opened, the degraded and filtered water flows out through the purified water outlet 14, the residual waste residues and the small molecular particles in the water are adsorbed in the pores inside the filtering membrane of the filtering device 2, and the water flowing out from the purified water outlet 14 enters a subsequent sedimentation tank for sedimentation, pH adjustment and standard discharge; when the purified water outlet 14 is no longer discharging water, the valve of the purified water outlet 14 is closed, the valve of the three-way valve 16 is opened, the washing pump 15 is started, the filtering membrane is backwashed (the backwashing water can be tap water or other water but not original sewage), the waste residues and the small molecular particles attached to the pores in the filtering membrane are washed away from the filtering membrane, and automatically settle in the waste residue collector 4 under the action of gravity and are collected.
In practical applications, the super nanobubble circulation ozone sewage treatment device provided by this embodiment can be used as a module to be combined or independently applied to sewage treatment and environmental protection related fields, and specifically, can perform purification treatment on sewage of different water qualities by using ozone water of different concentrations. Meanwhile, the super nanobubble 7 can be effectively combined with the filtering device 2, so that the sewage treatment by the super nanobubble 7 is realized, and the organic pollutant impurities in the sewage can be prevented from being adhered to the surface of the filtering device 2 to influence the filtering effect.
The data of the experiment for partial treatment per unit volume (1 ton) of wastewater in this example are shown in table 1 below:
TABLE 1 Experimental data for Sewage treatment
According to the experimental data contrast result, the utility model provides a pair of super nanometer bubble circulation ozone sewage treatment plant can keep higher COD clearance in sewage treatment. Under the prerequisite of guaranteeing treatment effeciency, the operation process comes more economy, and consuming time is shorter in the whole processing procedure, and COD is more stable, has guaranteed the sludge production volume that relatively is lower simultaneously. Combine numerous advantages and contrast, the utility model provides a pair of super nanometer bubble circulation ozone sewage treatment plant is obvious seems more high-efficient, leads more.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (2)
1. The utility model provides a super nanometer bubble circulation ozone sewage treatment plant which characterized in that: the device comprises an ozone reaction kettle, an ozone generating head, a super nano bubble generator, a filtering device and a waste residue collector; the super nano bubble generator and the filtering device are positioned at the bottom in the cavity of the ozone reaction kettle, the top of the super nano bubble generator is communicated with the bottom of the filtering device, a purified water outlet extends from the inside of the filtering device to the outside of the ozone reaction kettle, and is provided with a three-way valve which is connected with a back washing pump of the filtering device; the top of the side surface of the ozone reaction kettle is provided with a sewage inlet and an ozone water inlet, the bottom of the side surface of the reaction kettle is provided with a COD detection head and a sewage outlet, and the sewage outlet flows to the ozone generation head and then enters the ozone water inlet; the waste residue collector is the back taper, its upper end opening is connected with ozone reation kettle bottom, reaction waste residue in the ozone reation kettle falls into the waste residue collector that is located its bottom under the action of gravity, the inside backward flow baffle that is equipped with of waste residue collector, the swing arm that can adjust its self lift is connected to the backward flow baffle, the top of swing arm extends to ozone reation kettle's top surface outside, be provided with the response waste residue inductive probe whether the response waste residue is amasss fully below the backward flow baffle, waste residue collector bottom is provided with the response valve, waste residue inductive probe connects the response valve.
2. The apparatus of claim 1, wherein: the super nano bubble generator is connected with an air compressor arranged outside the ozone reaction kettle through a pipeline; the number of the ozone generating heads is 1-3; the top of the rotary rod is provided with scales.
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| CN201821168667.2U CN209974394U (en) | 2018-07-23 | 2018-07-23 | Super nanometer bubble circulation ozone sewage treatment plant |
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| CN201821168667.2U CN209974394U (en) | 2018-07-23 | 2018-07-23 | Super nanometer bubble circulation ozone sewage treatment plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911242A (en) * | 2018-07-23 | 2018-11-30 | 广东上智环保科技有限公司 | A kind of super nano bubble circulation ozone sewage water treatment method and device |
| CN111470607A (en) * | 2020-04-27 | 2020-07-31 | 广州市德百顺电气科技有限公司 | Wastewater treatment equipment |
| CN112573639A (en) * | 2020-11-23 | 2021-03-30 | 重庆合弘欣环保科技有限公司 | Ozone bubble generating device for sewage treatment |
| CN117566980A (en) * | 2024-01-17 | 2024-02-20 | 大连理工大学盘锦产业技术研究院 | System and method for treating organic pollutant wastewater |
-
2018
- 2018-07-23 CN CN201821168667.2U patent/CN209974394U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108911242A (en) * | 2018-07-23 | 2018-11-30 | 广东上智环保科技有限公司 | A kind of super nano bubble circulation ozone sewage water treatment method and device |
| CN108911242B (en) * | 2018-07-23 | 2024-06-14 | 广州德百顺蓝钻科技有限公司 | Super nano bubble circulating ozone sewage treatment method and device |
| CN111470607A (en) * | 2020-04-27 | 2020-07-31 | 广州市德百顺电气科技有限公司 | Wastewater treatment equipment |
| CN112573639A (en) * | 2020-11-23 | 2021-03-30 | 重庆合弘欣环保科技有限公司 | Ozone bubble generating device for sewage treatment |
| CN117566980A (en) * | 2024-01-17 | 2024-02-20 | 大连理工大学盘锦产业技术研究院 | System and method for treating organic pollutant wastewater |
| CN117566980B (en) * | 2024-01-17 | 2024-04-02 | 大连理工大学盘锦产业技术研究院 | System and method for treating organic pollutant wastewater |
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