CN111995133A - Ozone electrode coupling oxidation purification equipment for water pollution and purification process thereof - Google Patents
Ozone electrode coupling oxidation purification equipment for water pollution and purification process thereof Download PDFInfo
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- CN111995133A CN111995133A CN202010902946.2A CN202010902946A CN111995133A CN 111995133 A CN111995133 A CN 111995133A CN 202010902946 A CN202010902946 A CN 202010902946A CN 111995133 A CN111995133 A CN 111995133A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
Abstract
The invention discloses ozone electrode coupling oxidation purification equipment for water pollution, which comprises a water inlet filter and an electrode ozone reactor, wherein the electrode ozone reactor comprises a reaction box and a plurality of ozone generating electrode groups positioned at the bottom of the reaction box, the side wall of the upper part of the reaction box is provided with a water outlet, the side wall of the lower part of the reaction box is provided with a water inlet, and the water outlet of the water inlet filter is communicated with the water inlet through a pipeline. The invention also provides a purification process of the water body pollution ozone electrode coupling oxidation purification equipment, which can remove nutrient salts such as chemical oxygen demand, ammonia nitrogen, total phosphorus and the like in the water body, and can also sterilize and kill algae to purify water quality. The invention can also be provided with an automatic control system which automatically controls the water inflow and the opening amount and the retention time of the ozone generating electrode group according to the water quality of the outlet water, and has high automation degree.
Description
Technical Field
The invention relates to the field of water treatment, in particular to ozone electrode coupling oxidation purification equipment for water pollution and a purification process thereof.
Background
With the development of national economy of China, various industries are rapidly increased, and increasingly severe environmental problems are brought. In particular, in the industrial and agricultural production process, various pollutants discharged into natural water seriously affect the water quality, cause various water body pollution and eutrophication, and even harm the water ecological safety and the human health. For example, blue algae outbreaks in lakes such as the Yunnan lake, the Taihu lake and the nido lake, and water body pollution in rivers such as Huaihe river, Suzhou river and Songhua river seriously affect the drinking water safety and life quality of residents.
In recent years, with the continuous deepening of national governance, the water environment is gradually improved, and the prevention and treatment of water pollution are also initially effective. However, the water pollution is a gradual accumulation process, the treatment and improvement of the water environment are not always completed, and the treatment of the water pollution in China still needs to be continuous and deep.
Generally speaking, with the continuous promotion of water pollution prevention and treatment work, a plurality of water pollution treatment and restoration technologies and equipment are in operation. However, most of the existing water pollution treatment technologies mainly filter, adsorb, precipitate and degrade various nutrient salts, and for various polluted water bodies, the problems that aerobic reaction with low dissolved oxygen is difficult, algae in eutrophic water bodies are difficult to kill, biological indexes such as escherichia coli/bacteria accumulated in the water bodies for a long time are difficult to kill, most of the treatment technologies and equipment have low automation degree and are inconvenient to control still exist.
In conclusion, how to effectively realize the synchronous degradation of water nutritive salt, the killing of algae, bacteria and other pollutants and the improvement of operation convenience and working efficiency aiming at the problems of water body pollution, eutrophication and the like is a problem which needs to be solved by technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide ozone electrode coupling oxidation purification equipment for water body pollution.
The invention also provides a purification process of the water body pollution ozone electrode coupling oxidation purification equipment.
The invention has the innovation points that the invention provides integrated system treatment for the degradation of nutritive salt and the removal of algae in polluted and eutrophic water, and has simple equipment structure, low treatment cost and good treatment effect.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a water pollution ozone electrode coupling oxidation clarification plant, includes filter, electrode ozone reactor of intaking, electrode ozone reactor includes the reaction box and is located a plurality of ozone generation electrode group of reaction box bottom, reaction box upper portion lateral wall is equipped with the delivery port, reaction box lower part lateral wall is equipped with the water inlet, the filter delivery port of intaking passes through pipeline and water inlet intercommunication.
Furthermore, a drainage pump is further arranged at the joint of the water outlet and the water inlet of the water inlet filter.
Furthermore, the reaction box is provided with a plurality of baffle plates from bottom to top. The device is uniformly distributed and filled with ozone, and limitation of ozone generation is prevented.
Furthermore, a plurality of sockets are arranged on the side wall of the lower part of the reaction box, an ozone generating electrode group is arranged inside each socket, each ozone generating electrode group comprises a mounting flange plate, an insertion frame with an opening at the top and a plurality of ozone generating electrodes positioned in the insertion frame, a plurality of water through holes are further formed in the outer wall of the insertion frame, a first water stop ring mounting groove is formed in the mounting flange plate, a first water stop ring is arranged in the first water stop ring mounting groove, and the mounting flange plate is positioned at one end of the insertion frame and seals the insertion opening; the mounting flange plate is connected with the reaction box through screws; the ozone generating electrode comprises a plurality of anode plates and cathode plates which are arranged at intervals, the cathode plates are made of stainless steel, the anode is made of Ti, the outer surface of each anode plate is coated with a catalyst layer, and the catalyst layer is a SnO2 composite film layer doped with Sb and Ni.
Further, ozone generation electrode group includes the shell, is located the spiral rod of shell, and there is the interval spiral rod and shell inner wall, shell one end is equipped with the necking down, the other end is equipped with electrode group delivery port, and the shell lateral wall is equipped with the electrode group water inlet and is located keeps away from electrode group delivery port one end, spiral rod one end is stretched out the necking down and is equipped with insulating seal circle between spiral rod and the necking down, the shell is stainless steel material, the spiral rod is the Ti material, the last coating of spiral rod has the catalyst layer, and the catalyst layer is the SnO2 composite film layer that has adulterated Sb and Ni, the spiral rod stretches out tip department and is equipped with the positive pole connection port, and the shell outer wall is equipped with the negative pole connection port, the spiral rod stretches out tip department and still is equipped with insulating seal cap, insulating seal cap cover is established on the necking down and, the necking part is provided with external threads, and the insulating sealing cap is screwed with the necking threads; the side wall of the lower part of the reaction box is provided with a plurality of jacks, the shell is inserted into the jacks, the outer wall of the shell is welded at the jacks, one end of a necking down of the shell and the water inlet of the electrode group are both positioned outside the reaction box, and the water outlet of the electrode group is positioned in the reaction box; the water inlet of the electrode group is the water inlet of the reaction box. The polluted water can react with ozone more fully.
Further, the up end of water filter is equipped with a plurality of step mounting holes, can dismantle in the step mounting hole and connect and filter the piece, it includes spacing connecting block to filter the piece, spacing connecting block's outer terminal surface fixed connection rubber bulge loop, spacing connecting block's up end is equipped with the arc and carries the handle, spacing connecting block's lower terminal surface is equipped with the filter screen installing frame, the inner wall of filter screen installing frame is equipped with the filter screen, the filter screen installing frame with spacing connecting block's junction is equipped with second sealing ring mounting groove, the inside second sealing ring that is equipped with of second sealing ring mounting groove.
Furthermore, a support is arranged at the bottom of the electrode ozone reactor, and the water inlet filter and the electrode ozone reactor are both fixed on the support.
Furthermore, the bracket is also provided with a detection box, a plurality of water quality detectors are arranged in the detection box, a water outlet pipe is arranged at the water outlet, and a water outlet branch pipe is arranged on the water outlet pipe and communicated with the detection box; a return pipe is arranged between the detection box and the reaction box, and a return pump is arranged on the return pipe. The effluent can be detected.
Further, the upper end face of the electrode ozone reactor is provided with a rotating motor, the output end of the rotating motor is connected with a rotating mixing part, the rotating mixing part is arranged inside the reaction box and comprises a connecting ring, the connecting ring is fixedly connected with the output end of the rotating motor, and a group of stirring blades are uniformly distributed on the outer end face of the connecting ring.
A purification process of water pollution ozone electrode coupling oxidation purification equipment comprises the following steps:
(1) filtering the polluted water body by a water inlet filter and pumping the filtered polluted water body into an electrode ozone reactor;
(2) applying a direct current power supply to an ozone generating electrode group in the electrode ozone reactor; OH and O3 generated on the ozone generating electrode group fully react with the polluted water pumped into the electrode ozone reactor;
(3) each group of ozone generating electrode sets is independently controlled, and the opening number of the ozone generating electrode sets is controlled according to the water inflow and the water quality of the polluted water body;
(4) detecting the effluent quality of the electrode ozone reactor through a water quality detector in the detection box, and discharging after the water quality reaches the standard; and if the water quality does not reach the standard, the water in the detection box flows back to the electrode ozone reactor to continue to react until the water quality reaches the standard, and then the water is discharged.
The invention has the beneficial effects that:
1. the equipment in the invention has simple structure, low processing cost, diversified use functions and good processing effect.
2. The strong oxidation products such as OH, O3 and the like generated by electrolyzing water in the device can quickly degrade and remove pollutants in the polluted water body, and reduce some harmful heavy metals rich in the polluted water body to remove toxicity.
3. The ozone can be fully mixed with the polluted water body, and the reaction is more complete.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the distribution of the positions of the baffles
FIG. 3 is a perspective view of an ozone generating electrode group in example 1;
FIG. 4 is a layout diagram of an ozone generating electrode group in example 2;
FIG. 5 is a schematic view of an ozone generating electrode group in example 2;
figure 6 is a cross-sectional view of a filter element;
FIG. 7 is a top view of a rotating mixing element;
fig. 8 is a basic structure diagram of the stepped hole.
In the figure: 1 water inlet filter, 2 electrodes of ozone reactor, 3 reaction box, 4 ozone generating electrode group, 5 water outlet, 6 water inlet, 7 baffle plate, 8 socket, 9 support, 10 detection box, 11 water outlet pipe, 12 water outlet branch pipe, 13 return pipe, 14 return pump, 15 drainage pump, 1.1 step hole, 1.2 filter piece, 1.21 limit connecting block, 1.22 rubber convex ring, 1.23 arc lifting handle, 1.24 filter screen mounting frame, 1.25 filter screen, 1.26 second sealing ring mounting groove, 2.1 rotating motor, 2.2 rotating mixing component, 2.21 connecting ring, 2.22 stirring blade, 4.1 mounting flange plate, 4.2 inserting frame, 4.3 ozone generating electrode, 4.4 casing, 4.5 spiral rod, 4.6 necking, 4.7 electrode group water outlet, 4.8 electrode group water inlet, 4.9 insulating sealing ring, 4.10 insulating sealing cap, 4.11 first sealing ring mounting groove, 4.21 water passing hole, 4.41 cathode connecting port, 4.51 anode connecting port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1: as shown in fig. 1, 2, 3, 6, 7, 8, a water pollution ozone electrode coupling oxidation clarification plant, including filter 1, electrode ozone reactor 2 of intaking, electrode ozone reactor 2 includes reaction box 3 and a plurality of ozone generation electrode group 4 that are located reaction box 3 bottoms, 3 upper portion lateral walls of reaction box are equipped with delivery port 5, 3 lower part lateral walls of reaction box are equipped with inlet 6, intake filter delivery port 1.1 is through pipeline and 6 intercommunications of water inlet, still be equipped with drainage pump 15 on the pipeline and be used for carrying rivers, supreme a plurality of baffling boards 7 are equipped with down to reaction box 3, baffling board 7 passes through the bolt slope to be fixed the inside of reaction box 3. The side wall of the lower portion of the reaction box 3 is provided with a plurality of sockets 8, the ozone generating electrode group 4 comprises a mounting flange plate 4.1, an insertion frame 4.2 with an opening at the top and a plurality of ozone generating electrodes 4.3 positioned in the insertion frame 4.2, the outer wall of the insertion frame 4.2 is also provided with a plurality of water through holes 4.21, the mounting flange plate 4.1 is provided with a first water stop ring mounting groove 4.11, a first water stop ring is arranged in the first water stop ring mounting groove 4.11, and the mounting flange plate 4.1 is positioned at one end of the insertion frame 4.2 and seals the sockets 8; the mounting flange plate 4.1 is connected with the reaction box 3 through screws; ozone generates electrode 4.3 and includes anode plate and the cathode plate of a plurality of interval arrangements, and the cathode plate is stainless steel, and the anode is the Ti material, and anode plate surface coating has the catalyst layer, and the catalyst layer is the SnO2 composite film layer of having adulterated Sb and Ni, and ozone generates electrode 4.3 and catalyst by the patent number "ZL 2015103760970" discloses.
The upper end face of the water inlet filter 1 is provided with a plurality of step mounting holes 1.1, the step mounting holes 1.1 are internally detachably connected with filter pieces 1.2, each filter piece 1.2 comprises a limit connecting block 1.21, the outer end face of each limit connecting block 1.21 is fixedly connected with a rubber convex ring 1.22, when the water inlet filter is used, pressure is applied to the limit connecting blocks 1.21, so that the rubber convex rings 1.22 are deformed to be tightly clamped with the inner wall of the step mounting holes 1.1, the upper end face of each limit connecting block 1.21 is provided with an arc lifting handle 1.23, the lower end face of each limit connecting block 1.21 is provided with a filter screen mounting frame 1.24, the inner wall of each filter screen mounting frame 1.24 is provided with a filter screen 1.25, the joint of the filter screen mounting frame 1.24 and the limit connecting block 1.21 is provided with a second water stop ring mounting groove 1.26, a second water stop ring is arranged in the second water stop ring mounting groove 1.26, and when the water inlet filter, because the filter 1 that intakes is first filtration step, filterable impurity is more, blocks up easily, consequently sets up the filter that intakes at the top, still sets up it into detachable simultaneously, has avoided the installation step loaded down with trivial details promptly, has made things convenient for the washing of user to filtering the piece again.
The bottom of the electrode ozone reactor 2 is provided with a bracket 9, and the water inlet filter 1 and the electrode ozone reactor 2 are both fixed on the bracket 9. The support 9 is also provided with a detection box 10, a plurality of water quality detectors are arranged in the detection box 10, a water outlet pipe 11 is arranged at the water outlet 5, and a water outlet branch pipe 12 arranged on the water outlet pipe 11 is communicated with the detection box 10; a return pipe 13 is arranged between the detection box 10 and the reaction box 3, and a return pump 14 is arranged on the return pipe 13.
The upper end face of the electrode ozone reactor 2 is provided with a rotating motor 2.1, the output end of the rotating motor 2.1 is connected with a rotating mixing part 2.2, the rotating mixing part 2.2 is arranged inside the reaction box 3, the rotating mixing part 2.2 comprises a connecting ring 2.21, the connecting ring 2.21 is fixedly connected with the output end of the rotating motor 2.1, a sealing ring is further arranged at the joint of the output end of the rotating motor 2.1 and the reaction box 3, a group of stirring blades 2.22 are uniformly distributed on the outer end face of the connecting ring 2.21, and the stirring blades 2.22 are L-shaped; the water body pollution ozone electrode coupling oxidation purification equipment further comprises an automatic control system, and the automatic control system comprises a PLC device, an online detection function and a data networking function. The water inlet quantity and the opening quantity and the retention time of the ozone generating electrode group can be automatically controlled according to the effluent quality, and the automation degree is high.
Example 2: as shown in fig. 1, 2, 4, 5, 6, 7, 8, a water pollution ozone electrode coupling oxidation purification equipment, including filter 1, electrode ozone reactor 2 of intaking, electrode ozone reactor 2 includes reaction box 3 and a plurality of ozone generation electrode group 4 that are located reaction box 3 bottom, the lateral wall of reaction box 3 upper portion is equipped with delivery port 5, the lateral wall of reaction box 3 lower part is equipped with inlet 6, filter outlet 1.1 of intaking communicates through pipeline and inlet 6, still is equipped with drainage pump 15 on the pipeline and is used for carrying rivers, reaction box 3 is from supreme a plurality of baffling boards 7 that are equipped with down, baffling board 7 passes through the bolt slope to be fixed in the inside of reaction box 3.
The ozone generating electrode group 4 comprises a shell 4.4, a spiral rod 4.5 positioned in the shell 4.4, a gap exists between the spiral rod 4.5 and the inner wall of the shell 4.4, one end of the shell 4.4 is provided with a necking 4.6, the other end is provided with an electrode group water outlet 4.7, the side wall of the shell 4.4 is provided with an electrode group water inlet 4.8 positioned at one end far away from the electrode group water outlet 4.7, one end of the spiral rod 4.5 extends out of the necking 4.6 and is provided with an insulating sealing ring 4.9 between the spiral rod 4.5 and the necking 4.6, the shell 4.4 is made of stainless steel, the spiral rod 4.5 is made of Ti, the inner wall of the shell 4.4 is provided with internal threads, the spiral rod 4.5 is coated with a catalyst layer which is a SnO2 composite film layer doped with Sb and Ni, the extending end of the spiral rod 4.5 is provided with an anode connecting port 4.51, the outer wall of the shell 4.4.4 is provided with a cathode connecting port 4.41, the extending out of the spiral rod 4.5 is also provided with an insulating sealing cap 4.10, the anode sealing, an external thread is arranged at the position of the necking 4.6, and the insulating sealing cap 4.10 is screwed with the necking 4.6; the side wall of the lower part of the reaction box 3 is provided with a plurality of spigots 8, the shell 4.4 is inserted into the spigots 8, the outer wall of the shell 4.4 is welded at the spigots 8, one end of the shell 4.4 with a necking 4.6 and the water inlet 4.8 of the electrode group are both positioned outside the reaction box 3, and the water outlet 4.7 of the electrode group is positioned in the reaction box 3; the water inlet 4.8 of the electrode group is the water inlet 6 of the reaction box 3.
The upper end face of the water inlet filter 1 is provided with a plurality of step mounting holes 1.1, the step mounting holes 1.1 are internally detachably connected with filter pieces 1.2, each filter piece 1.2 comprises a limit connecting block 1.21, the outer end face of each limit connecting block 1.21 is fixedly connected with a rubber convex ring 1.22, when the water inlet filter is used, pressure is applied to the limit connecting blocks 1.21, so that the rubber convex rings 1.22 are deformed to be tightly clamped with the inner wall of the step mounting holes 1.1, the upper end face of each limit connecting block 1.21 is provided with an arc lifting handle 1.23, the lower end face of each limit connecting block 1.21 is provided with a filter screen mounting frame 1.24, the inner wall of each filter screen mounting frame 1.24 is provided with a filter screen 1.25, the joint of the filter screen mounting frame 1.24 and the limit connecting block 1.21 is provided with a second water stop ring mounting groove 1.26, a second water stop ring is arranged in the second water stop ring mounting groove 1.26, and when the water inlet filter, because the filter 1 that intakes is first filtration step, filterable impurity is more, blocks up easily, consequently sets up the filter that intakes at the top, still sets up it into detachable simultaneously, has avoided the installation step loaded down with trivial details promptly, has made things convenient for the washing of user to filtering the piece again.
The bottom of the electrode ozone reactor 2 is provided with a bracket 9, and the water inlet filter 1 and the electrode ozone reactor 2 are both fixed on the bracket 9. The support 9 is also provided with a detection box 10, a plurality of water quality detectors are arranged in the detection box 10, a water outlet pipe 11 is arranged at the water outlet 5, and a water outlet branch pipe 12 arranged on the water outlet pipe 11 is communicated with the detection box 10; a return pipe 13 is arranged between the detection box 10 and the reaction box 3, and a return pump 14 is arranged on the return pipe 13.
The utility model discloses an electrode ozone reactor 2, including electrode ozone reactor 2, rotating motor 2.1's output is connected and is rotated mixed piece 2.2, it sets up in the inside of reaction box 3 to rotate mixed piece 2.2, it includes go-between 2.21 to rotate mixed piece 2.2, go-between 2.21 with the output fixed connection who rotates motor 2.1, the output that rotates motor 2.1 still is equipped with the sealing ring with the junction of reaction box 3, a set of stirring leaf 2.22 of go-between 2.21's outer terminal surface evenly distributed, stirring leaf 2.22 is the L shape.
When using, the contaminated water filters through water filter 1, filters large granule impurity, and protection ozone generation electrode group 4 is not blockked up by mud etc. and ozone generation electrode group 4 is installed in reaction box 3 bottom, establishes baffling board 7 in the reaction box 3, and baffling board 7 can increase the water flow at the water that contains ozone at the in-process that rises, makes ozone and water misce bene through the collision, increases the flow simultaneously after, ozone utilization efficiency can promote. After repeated reaction, the treated water is discharged from the water outlet 5, or a water outlet filter can be additionally arranged, so that the quality of the discharged water is further improved. The outlet of the reaction box 3 is additionally provided with a direct current bypass to the detection box 10, and detection instruments for detecting COD and the like are arranged in the detection box 10 so as to detect the discharged water.
Example 3
A water body pollutes the purifying process of the ozone electrode coupling oxidation clean-up equipment, pump into the electrode ozone reactor 2 after the water body of pollution is filtered by the water filter 1; the filter of the water inlet filter 1 can intercept suspended matters so as to avoid influencing the service life of an ozone generating electrode group 4 in the ozone electrode reactor, simultaneously can avoid sludge deposition in the ozone electrode reactor, reduce the processing load of the electrode ozone reactor 2 and simultaneously ensure that the effluent suspended matters reach the standard; applying a direct current power supply to an ozone generating electrode group 4 in the electrode ozone reactor 2; the catalytic material catalyst coated on the surface of the anode plate is utilized to improve OH generated by water decomposition of the electrode, and the catalytic material is utilized to excite oxygen contained in the water to be converted into ozone. COD, ammonia nitrogen, heavy metals and other substances in the polluted water body are removed by OH and ozone, and meanwhile, the polluted water body can be disinfected, sterilized and algae-killed by the strong oxidation-reduction property of OH and ozone, so that the effluent is ensured to reach the standard. The ozone generating electrode group 4 is arranged at the bottom of the ozone electrode reactor, so that OH and ozone generated by reaction can be fully utilized, the utilization efficiency is improved, and OH and O3 generated on the ozone generating electrode group 4 and the polluted water pumped into the electrode ozone reactor 2 are fully reacted; each group of ozone generating electrode groups 4 is independently controlled, and the opening number of the ozone generating electrode groups 4 is controlled according to the water inflow and the water quality of the polluted water body; detecting the effluent quality of the electrode ozone reactor 2 by a water quality detector in the detection box 10, and discharging after the water quality reaches the standard; and if the water quality does not reach the standard, the water in the detection box 10 is refluxed to the electrode ozone reactor 2 to continue to react until the water quality reaches the standard, and then the water is discharged, and after the water is refluxed, the ozone generating electrode group 4 can be opened to the maximum extent, so that the generation amount of OH and O3 is increased. The automatic control system automatically controls the water inflow and the opening amount and the retention time of the ozone generating electrode group according to the water quality of the outlet water, and the automation degree is high.
When landscape water is treated: table 1 shows the quality of the incoming water of the landscape water; table 2 shows the effluent quality of landscape water; the treatment method comprises the following steps: 20 groups of ozone generating electrode groups 4 are started, voltage 12V and current 10A are applied to each group of ozone generating electrode groups 4, and the ozone generating amount of each group of ozone generating electrode groups 4 is 1.8 g/h.
The water inflow of the landscape water is 2t/h, and the reaction time is 15 min.
TABLE 1
TABLE 2
In conclusion, the invention has the beneficial effects that: the invention relates to a device for preparing ozone, which is characterized in that strong oxidation products such as OH, O3 and the like generated by electrolyzing water in the device can rapidly degrade and remove pollutants in a polluted water body, reduce some harmful heavy metals rich in the polluted water body and remove toxicity.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a water pollution ozone electrode coupling oxidation clarification plant which characterized in that, includes filter, electrode ozone reactor of intaking, electrode ozone reactor includes reaction box and a plurality of ozone generation electrode group that are located the reaction box bottom, the lateral wall of reaction box upper portion is equipped with the delivery port, the lateral wall of reaction box lower part is equipped with the water inlet, the filter delivery port of intaking passes through pipeline and water inlet intercommunication.
2. The water body pollution ozone electrode coupling oxidation purification device of claim 1, wherein a drainage pump is further arranged at the connection of the water outlet and the water inlet of the water inlet filter.
3. The water body pollution ozone electrode coupling oxidation purification device of claim 1, wherein the reaction box is provided with a plurality of baffle plates from bottom to top.
4. The water body pollution ozone electrode coupling oxidation purification equipment as claimed in claim 1, wherein a plurality of sockets are formed in the side wall of the lower portion of the reaction box, an ozone generation electrode group is arranged inside each socket, the ozone generation electrode group comprises a mounting flange plate, an insertion frame with an open top, and a plurality of ozone generation electrodes positioned in the insertion frame, a plurality of water through holes are further formed in the outer wall of the insertion frame, a first water stop ring mounting groove is formed in the mounting flange plate, a first water stop ring is arranged in the first water stop ring mounting groove, and the mounting flange plate is positioned at one end of the insertion frame and seals the sockets; the mounting flange plate is connected with the reaction box through screws; the ozone generating electrode comprises a plurality of anode plates and cathode plates which are arranged at intervals, the cathode plates are made of stainless steel, the anode is made of Ti, the outer surface of each anode plate is coated with a catalyst layer, and the catalyst layer is a SnO2 composite film layer doped with Sb and Ni.
5. The water body pollution ozone electrode coupling oxidation purification device of claim 1, wherein the ozone generating electrode group comprises a housing and a spiral rod positioned in the housing, a distance exists between the spiral rod and the inner wall of the housing, one end of the housing is provided with a neck, the other end of the housing is provided with an electrode group water outlet, the side wall of the housing is provided with an electrode group water inlet positioned at one end far away from the electrode group water outlet, one end of the spiral rod extends out of the neck, an insulating sealing ring is arranged between the spiral rod and the neck, the housing is made of stainless steel, the spiral rod is made of Ti, a catalyst layer is coated on the spiral rod and is a SnO2 composite film layer doped with Sb and Ni, an anode connecting port is arranged at the extending end of the spiral rod, a cathode connecting port is arranged on the outer wall of the housing, an insulating sealing cap is also arranged at the extending end of the spiral rod, and a through hole for extending, an external thread is arranged at the necking part, and the insulating sealing cap is screwed with the necking thread;
the side wall of the lower part of the reaction box is provided with a plurality of jacks, the shell is inserted into the jacks, the outer wall of the shell is welded at the jacks, one end of a necking down of the shell and the water inlet of the electrode group are both positioned outside the reaction box, and the water outlet of the electrode group is positioned in the reaction box; the water inlet of the electrode group is the water inlet of the reaction box.
6. The water body pollution ozone electrode coupling oxidation purification equipment of claim 1, wherein the upper end face of the water inlet filter is provided with a plurality of step mounting holes, the step mounting holes are internally detachably connected with filter pieces, each filter piece comprises a limit connecting block, the outer end face of each limit connecting block is fixedly connected with a rubber convex ring, the upper end face of each limit connecting block is provided with an arc-shaped lifting handle, the lower end face of each limit connecting block is provided with a filter screen mounting frame, the inner wall of each filter screen mounting frame is provided with a filter screen, a second water stop ring mounting groove is formed in the joint of each filter screen mounting frame and each limit connecting block, and a second water stop ring is arranged inside each second water stop ring mounting groove.
7. The water body pollution ozone electrode coupling oxidation purification equipment according to claim 1, wherein a support is arranged at the bottom of the electrode ozone reactor, and the water inlet filter and the electrode ozone reactor are both fixed on the support.
8. The water body pollution ozone electrode coupling oxidation purification device as claimed in claim 7, wherein the support is further provided with a detection box, a plurality of water quality detectors are arranged in the detection box, a water outlet pipe is arranged at the water outlet, and a water outlet branch pipe is arranged on the water outlet pipe and communicated with the detection box; a return pipe is arranged between the detection box and the reaction box, and a return pump is arranged on the return pipe.
9. The ozone electrode coupling oxidation purification device for water body pollution according to claim 1, wherein a rotating motor is arranged on the upper end face of the electrode ozone reactor, the output end of the rotating motor is connected with a rotating mixing piece, the rotating mixing piece is arranged inside the reaction box, the rotating mixing piece comprises a connecting ring, the connecting ring is fixedly connected with the output end of the rotating motor, and a group of stirring blades are uniformly distributed on the outer end face of the connecting ring.
10. The purification process of the water body pollution ozone electrode coupling oxidation purification equipment, which is characterized by comprising the following steps of:
(1) filtering the polluted water body by a water inlet filter and pumping the filtered polluted water body into an electrode ozone reactor;
(2) applying a direct current power supply to an ozone generating electrode group in the electrode ozone reactor; OH and O3 generated on the ozone generating electrode group fully react with the polluted water pumped into the electrode ozone reactor;
(3) each group of ozone generating electrode sets is independently controlled, and the opening number of the ozone generating electrode sets is controlled according to the water inflow and the water quality of the polluted water body;
(4) detecting the effluent quality of the electrode ozone reactor through a water quality detector in the detection box, and discharging after the water quality reaches the standard; and if the water quality does not reach the standard, the water in the detection box flows back to the electrode ozone reactor to continue to react until the water quality reaches the standard, and then the water is discharged.
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| CN116514351A (en) * | 2023-07-03 | 2023-08-01 | 四川大学 | Sewage advanced treatment integrated equipment and sewage treatment process |
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