CN216472613U - Catalytic ozone coupling air flotation integrated device for advanced wastewater treatment - Google Patents
Catalytic ozone coupling air flotation integrated device for advanced wastewater treatment Download PDFInfo
- Publication number
- CN216472613U CN216472613U CN202123170785.1U CN202123170785U CN216472613U CN 216472613 U CN216472613 U CN 216472613U CN 202123170785 U CN202123170785 U CN 202123170785U CN 216472613 U CN216472613 U CN 216472613U
- Authority
- CN
- China
- Prior art keywords
- ozone
- water
- catalytic oxidation
- air
- oxidation tower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 150
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 101
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 title claims abstract description 14
- 238000010168 coupling process Methods 0.000 title claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 14
- 238000005188 flotation Methods 0.000 title claims description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 199
- 230000003647 oxidation Effects 0.000 claims abstract description 90
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 90
- 238000003756 stirring Methods 0.000 claims abstract description 86
- 238000005345 coagulation Methods 0.000 claims abstract description 20
- 230000015271 coagulation Effects 0.000 claims abstract description 20
- 239000010865 sewage Substances 0.000 claims abstract description 20
- 238000011282 treatment Methods 0.000 claims abstract description 20
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 6
- 239000002893 slag Substances 0.000 claims description 29
- 230000007246 mechanism Effects 0.000 claims description 25
- 239000003054 catalyst Substances 0.000 claims description 23
- 238000005189 flocculation Methods 0.000 claims description 23
- 230000016615 flocculation Effects 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 12
- 239000003814 drug Substances 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims description 9
- 238000005276 aerator Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000010405 clearance mechanism Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 230000001112 coagulating effect Effects 0.000 claims 3
- 230000003311 flocculating effect Effects 0.000 claims 3
- 230000008676 import Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 18
- 238000005516 engineering process Methods 0.000 abstract description 9
- 239000010842 industrial wastewater Substances 0.000 abstract description 6
- 238000004332 deodorization Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000009300 dissolved air flotation Methods 0.000 description 2
- 125000000623 heterocyclic group Chemical group 0.000 description 2
- 238000006385 ozonation reaction Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model provides a catalysis ozone coupling air supporting integrated device for sewage advanced treatment belongs to industrial wastewater treatment equipment technical field. The utility model integrates two technologies of ozone oxidation and dissolved air floatation into the same operation unit through the cooperation of the ozone generator, the first ozone catalytic oxidation tower, the second ozone catalytic oxidation tower, the stirring chamber, the first doser, the air floatation tank, the dissolved air tank and other equipment, so that a plurality of processes of catalytic oxidation, coagulation, separation, decoloration, deodorization, disinfection and the like are synchronously completed; by arranging the first ozone catalytic oxidation tower, the second ozone catalytic oxidation tower, the first water return pipeline and the second water return pipeline, the multiple multistage catalytic oxidation of ozone can be realized, the utilization rate of ozone is greatly improved, and the energy consumption for manufacturing ozone is reduced; finally, various pollutants which are difficult to treat in water can be efficiently and quickly removed, the air floatation process is green and environment-friendly, has no secondary pollution, and the running time is greatly reduced compared with the existing air floatation process.
Description
Technical Field
The utility model belongs to the technical field of industrial wastewater treatment equipment, more specifically says, relates to a catalysis ozone coupling air supporting integrated device for sewage advanced treatment.
Background
After secondary biological treatment, industrial wastewater contains a certain proportion of heterocyclic rings, long chains and organic matters which are difficult to degrade, so that the wastewater has heavy chroma and large smell. The conventional advanced treatment process has the following outstanding problems, so that the stable standard emission cannot be ensured. After the activated carbon adsorption filtration is started, the activated carbon quickly reaches saturation, and the activated carbon is complex to replace and high in cost; although effluent can reach the standard by combining processes such as fluidized bed and iron-carbon electrolysis with flocculation dosing, the process gradually meets the development bottleneck due to the restriction of factors such as large chemical sludge production amount and high treatment cost along with the strict control of sludge classification management.
In the current new technology, dissolved air flotation and ozone oxidation technology are applied to the processes of water supply treatment, wastewater treatment and reclaimed water recycling to a certain extent, but the two modes have respective problems. The air flotation has a certain degree of removal of COD, BOD and TSS, but it limits the removal of dissolved organic matter. Ozone has strong oxidizability, and can decolor, sterilize and remove organic matters difficult to degrade, but the ozone process still has the problems of low ozone utilization rate, high energy consumption and unstable removal rate in the using process. Therefore, the ideal effect of treating industrial wastewater by adopting the two technologies is still difficult to obtain, so that the dissolved air flotation technology and the ozone oxidation technology are concentrated in the same operation unit to treat the wastewater.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a catalysis ozone coupling air supporting integrated device for sewage advanced treatment can combine dissolved air supporting and ozone oxidation technology to handle industrial waste water for a plurality of processes such as thoughtlessly congeal, separation, decoloration, deodorization, disinfection are accomplished in step, can obtain better decoloration, deodorization and organic matter and get rid of the effect.
In order to achieve the above object, the utility model adopts the following technical scheme: the catalytic ozone coupling air flotation integrated device for advanced sewage treatment comprises an ozone generator, a first ozone catalytic oxidation tower, a second ozone catalytic oxidation tower, a stirring chamber, a first chemical adding device, an air flotation tank and a dissolved air tank, wherein the ozone generator is used for generating ozone; the lower part of the first ozone catalytic oxidation tower is provided with a first water inlet used for being connected with sewage supply equipment, the inside of the first ozone catalytic oxidation tower is provided with a first catalyst layer and an ozone aerator which is positioned below the first catalyst layer and is connected with an ozone generator, and the upper part of the first ozone catalytic oxidation tower is provided with a first water outlet and a first exhaust port; the first ozone catalytic oxidation tower is also provided with a first water return pipeline, and the first water return pipeline is respectively connected with the first water inlet and the first water outlet and is used for returning water at the first water outlet to the first water inlet so as to circulate in the first ozone catalytic oxidation tower again; the lower part of the second ozone catalytic oxidation tower is provided with a second water inlet connected with the first water outlet, the inside of the second ozone catalytic oxidation tower is provided with a second catalyst layer, and the upper part of the second ozone catalytic oxidation tower is provided with a second water outlet and a second exhaust port; the second ozone catalytic oxidation tower is also provided with a second water return pipeline, and the second water return pipeline is respectively connected with the second water inlet and the second water outlet and is used for returning water at the second water outlet to the second water inlet so as to circulate in the second ozone catalytic oxidation tower again; the inlet of the stirring chamber is connected with the second water outlet and is used for stirring the entering water; the first medicine adding device is connected with the stirring chamber and is used for adding medicine into the stirring chamber; an inlet of the air flotation tank is connected with an outlet of the stirring chamber and is used for air flotation of the water after being added with the chemicals and stirred, a scum cleaning mechanism and a first clear water outlet for leading out clear water are arranged at the upper part of the air flotation tank, and a waste liquid outlet, an air releasing mechanism and a second clear water outlet are arranged at the lower part of the air flotation tank; the dissolved air tank is provided with a clean water inlet, an air inlet and an air dissolved water outlet, the clean water inlet is connected with the second clean water outlet, the air inlet is used for being connected with the compressed air supply equipment, the air dissolved water outlet is connected with the air release mechanism and used for injecting air into the clean water flowing in from the second clean water outlet to form air dissolved water and injecting the air dissolved water into the air flotation tank through the air release mechanism.
In a possible implementation mode, a space between the first water outlet and the second water inlet, a space between the second water outlet and the inlet of the stirring chamber, a space between the first doser and the stirring chamber, a space between the clean water inlet and the second clean water outlet, and a space between the dissolved gas water outlet and the air releasing mechanism are all connected through pipelines, and flow valves for controlling flow are arranged on the pipelines; and pressure pumps are arranged between the clean water inlet and the second clean water outlet and in front of the first water inlet and are used for pressurizing and feeding water in the first water return pipeline and the second water return pipeline.
In one possible implementation mode, pressure gauges are arranged in the first ozone catalytic oxidation tower, the second ozone catalytic oxidation tower and the gas dissolving tank to detect the internal pressure; all be equipped with discharge valve on first gas vent and the second gas vent to can control the quick reduction of internal pressure.
In a possible implementation mode, a coagulation stirring cavity and a flocculation stirring cavity are arranged in the stirring chamber, stirring mechanisms are arranged in the coagulation stirring cavity and the flocculation stirring cavity, the inlet of the coagulation stirring cavity is connected with the second water outlet, the inlet of the flocculation stirring cavity is communicated with the outlet of the coagulation stirring cavity, and the outlet of the flocculation stirring cavity is communicated with the air flotation tank; first doser is at least two, thoughtlessly congeals respectively and stirs the chamber and flocculates the stirring chamber and connect to add the medicine respectively.
In a possible implementation mode, the coagulation stirring cavity and the flocculation stirring cavity are two cavities separated by a partition board for the stirring chamber, the inlet of the coagulation stirring cavity and the outlet of the flocculation stirring cavity are both positioned at the lower part of the stirring chamber, and the communication part of the coagulation stirring cavity and the flocculation stirring cavity is positioned at the upper part of the stirring chamber.
In a possible implementation mode, the scum cleaning mechanism comprises a scum scraping machine, a scum collecting groove and a scum outlet, wherein the scum collecting groove is positioned on one side of the air floatation tank, the scum scraping machine is positioned on the liquid level position in the air floatation tank, one end of the scum scraping machine is positioned above the scum collecting groove so as to scrape scum on the liquid level into the scum collecting groove, and the scum outlet is arranged on the scum collecting groove so as to carry out deslagging.
In one possible implementation, the slag scraper is a track chain transmission mechanism with scrapers; an inclined plate is arranged on one side of the slag collecting groove facing the slag scraping machine; the scraping plate and the inclined plate are both of elastic structures.
In a possible implementation mode, the catalytic ozone coupling air flotation integrated device for advanced wastewater treatment further comprises a plurality of second chemical adding devices, and the second chemical adding devices are respectively connected with the first water inlet, the first water outlet and the second water outlet so as to add chemicals; first doser and second doser all are equipped with agitator and measuring pump.
In one possible implementation, the first catalyst layer and the second catalyst layer each include a support and a catalyst disposed on the support; the support member is a mesh disc support member.
In one possible implementation manner, the first ozone catalytic oxidation tower and the second ozone catalytic oxidation tower are both vertical cylindrical towers; the ozone generator is a vertical ozone generator; the first ozone catalytic oxidation tower and the second ozone catalytic oxidation tower are both of carbon steel structures, and the ozone aerator is of a titanium alloy structure.
The utility model provides a catalysis ozone coupling air supporting integrated device for sewage advanced treatment's beneficial effect lies in: compared with the prior art, the utility model concentrates the two technologies of ozone oxidation and dissolved air floatation into the same operation unit through the cooperation of the ozone generator, the first ozone catalytic oxidation tower, the second ozone catalytic oxidation tower, the stirring chamber, the first doser, the air floatation tank, the dissolved air tank and other equipment, so that the multiple processes of catalytic oxidation, coagulation, separation, decoloration, deodorization, disinfection and the like are synchronously completed; on the other hand, by arranging the first ozone catalytic oxidation tower, the second ozone catalytic oxidation tower, the first water return pipeline and the second water return pipeline, multiple multistage catalytic oxidation of ozone can be realized, unlimited cyclic treatment can be theoretically performed, the actual oxidation effect of ozone can be improved by more than 3 times, the utilization rate of ozone is greatly improved, and the energy consumption for manufacturing ozone is reduced; finally, various pollutants which are difficult to treat in water, such as macromolecular polymers, dissolved oil, organic matters which are difficult to degrade and the like, can be efficiently and quickly removed; the COD of the difficultly biodegradable organic matters is degraded by more than 80% after 60min of catalytic oxidation by ozone, the power consumption is controlled to be below 2 KW/ton of water, the peculiar smell of the sewage can be efficiently removed and decolored, the chroma removal rate is more than 90%, the air floatation process is green and environment-friendly, no secondary pollution is caused, and the operation time is greatly reduced compared with that of the existing air floatation process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a schematic structural diagram of a catalytic ozone coupling air flotation integrated device for advanced wastewater treatment provided by the embodiment of the present invention.
Wherein the reference numerals in the figures are as follows:
10. an ozone generator;
20. a first ozone catalytic oxidation tower; 21. a first catalyst layer;
22. an ozone aerator; 23. a first exhaust port; 24. a first water return line;
30. a second ozone catalytic oxidation tower; 31. a second catalyst layer;
32. a second exhaust port; 33. a second water return pipeline;
40. a stirring chamber; 41. a coagulation stirring cavity; 42. a flocculation stirring cavity; 43. a stirring mechanism;
50. a first doser;
60. an air floatation tank; 61. a first clear water outlet; 62. a waste liquid outlet; 63. an air release mechanism;
64. a second clear water outlet; 65. a slag scraper; 66. a slag collecting groove; 67. a slag outlet; 68. a sloping plate;
70. a dissolved air tank;
80. a second doser.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Now explain the utility model provides a catalysis ozone coupling air supporting integrated device for sewage advanced treatment.
Referring to fig. 1, the catalytic ozone coupling air flotation integrated device for advanced wastewater treatment provided by the first embodiment of the present invention includes an ozone generator 10, a first ozone catalytic oxidation tower 20, a second ozone catalytic oxidation tower 30, a stirring chamber 40, a first chemical adding device 50, an air flotation tank 60 and a dissolved air tank 70, wherein the ozone generator 10 is used for generating ozone; the lower part of the first ozone catalytic oxidation tower 20 is provided with a first water inlet used for being connected with sewage supply equipment, the inside of the first ozone catalytic oxidation tower is provided with a first catalyst layer 21 and an ozone aerator 22 which is positioned below the first catalyst layer 21 and is connected with the ozone generator 10, and the upper part of the first ozone catalytic oxidation tower is provided with a first water outlet and a first exhaust port 23; the first catalytic ozonation tower 20 is further provided with a first water return pipeline 24, and the first water return pipeline 24 is respectively connected with the first water inlet and the first water outlet and is used for returning water at the first water outlet to the first water inlet so as to circulate in the first catalytic ozonation tower 20 again; the lower part of the second ozone catalytic oxidation tower 30 is provided with a second water inlet connected with the first water outlet, the inside of the second ozone catalytic oxidation tower is provided with a second catalyst layer 31, and the upper part of the second ozone catalytic oxidation tower is provided with a second water outlet and a second exhaust port 32; the second ozone catalytic oxidation tower 30 is further provided with a second water return pipeline 33, and the second water return pipeline 33 is respectively connected with the second water inlet and the second water outlet and is used for returning water at the second water outlet to the second water inlet so as to circulate in the second ozone catalytic oxidation tower 30 again; the inlet of the stirring chamber 40 is connected with the second water outlet and is used for stirring the entering water; the first medicine adding device 50 is connected with the stirring chamber 40 and is used for adding medicine into the stirring chamber 40; an inlet of the air flotation tank 60 is connected with an outlet of the stirring chamber 40 and is used for air flotation of the water after being added with the chemicals and stirred, a scum cleaning mechanism and a first clear water outlet 61 for leading out clear water are arranged at the upper part of the air flotation tank 60, and a waste liquid outlet 62, an air release mechanism 63 and a second clear water outlet 64 are arranged at the lower part of the air flotation tank 60; the dissolved air tank 70 is provided with a clean water inlet, an air inlet and an air dissolved water outlet, the clean water inlet is connected with the second clean water outlet 64, the air inlet is used for being connected with a compressed air supply device, the air dissolved water outlet is connected with the air release mechanism 63 and is used for injecting air into the clean water flowing in from the second clean water outlet 64 to form air dissolved water and injecting the air dissolved water into the air flotation tank 60 through the air release mechanism 63.
When industrial sewage is treated, firstly, the sewage is injected into the first ozone catalytic oxidation tower 20 through the first water inlet, meanwhile, ozone generated in the ozone generator 10 is injected into the sewage in the first ozone catalytic oxidation tower 20 by the ozone aerator 22 and passes through the first catalyst layer 21, at the moment, the air pressure in the first ozone catalytic oxidation tower 20 can be rapidly changed by opening and closing the first exhaust port 23, ozone micro-bubbles formed by suddenly releasing the air pressure are mixed with the sewage, and the catalytic oxidation efficiency of the sewage can be enhanced; when the sewage after the primary treatment is discharged through the first water outlet, the water at the first water outlet can be partially or completely returned to the first water inlet by the first water return pipeline 24 according to the treatment condition and the treatment pressure of the next process, so that the sewage is circularly treated in the first ozone catalytic oxidation tower 20 again; the treated water meeting the requirement enters the second ozone catalytic oxidation tower 30 through the second water inlet and is subjected to catalytic oxidation again in the second catalyst layer 31, at the moment, the pressure in the second ozone catalytic oxidation tower 30 can be controlled by utilizing the opening and closing of the second exhaust port 32, so that the ozone in the water is continuously subjected to micro-bubbling under the blocking action of the second catalyst layer 31, the treatment efficiency is improved, and then the treated water is discharged through the second water outlet, and similarly, if the water can be discharged from the second ozone catalytic oxidation tower 30, part or all of the water at the second water outlet is returned to the second water inlet through the second water return pipeline 33, so that the treated water is subjected to cyclic treatment again in the second ozone catalytic oxidation tower 30; then, the water meeting the requirement enters the stirring chamber 40 through the second water outlet, and is added with the chemicals through the first chemical adding device 50 for flocculation; then the water with the suspension flocculate enters the air flotation tank 60, part of the water in the air flotation tank 60 continuously generates air-dissolved water under the action of the dissolved air in the air dissolving tank 70, the air in the air-dissolved water is separated out after entering the air flotation tank 60 and enters the suspension flocculate, the density of the suspension flocculate is reduced and floats to the liquid surface, then the water is discharged through a scum cleaning mechanism, the clear water in the air flotation tank 60 is led out through a first clear water outlet 61, and the waste water in the air flotation tank 60 is discharged through a waste liquid outlet 62 at the lower part, so that the treatment of the industrial waste water containing the heterocyclic ring, the long chain and the organic matters which are difficult to degrade is completed.
In the treatment process, on one hand, through the matching of the ozone generator 10, the first ozone catalytic oxidation tower 20, the second ozone catalytic oxidation tower 30, the stirring chamber 40, the first chemical adding device 50, the air floatation tank 60, the dissolved air tank 70 and other equipment, two technologies of ozone oxidation and dissolved air floatation are integrated in the same operation unit, so that multiple processes of catalytic oxidation, coagulation, separation, decoloration, deodorization, disinfection and the like are synchronously completed; on the other hand, by arranging the first ozone catalytic oxidation tower 20, the second ozone catalytic oxidation tower 30, the first water return pipeline 24 and the second water return pipeline 33, multiple multistage catalytic oxidation of ozone can be realized, unlimited cyclic treatment can be theoretically performed, the actual oxidation effect of ozone can be improved by more than 3 times, the utilization rate of ozone is greatly improved, and the energy consumption for manufacturing ozone is reduced; finally, various pollutants which are difficult to treat in water, such as macromolecular polymers, dissolved oil, organic matters which are difficult to degrade and the like, can be efficiently and quickly removed; the COD of the difficultly biodegradable organic matters is degraded by more than 80% after 60min of catalytic oxidation by ozone, the power consumption is controlled to be below 2 KW/ton of water, the peculiar smell of the sewage can be efficiently removed and decolored, the chroma removal rate is more than 90%, the air floatation process is green and environment-friendly, no secondary pollution is caused, and the operation time is greatly reduced compared with that of the existing air floatation process.
Referring to fig. 1, the present invention provides a first embodiment of the present invention as follows:
to effectively monitor the total water quantity, a flow meter may be provided before the first water inlet.
The space between the first water outlet and the second water inlet, the space between the second water outlet and the inlet of the stirring chamber 40, the space between the first doser 50 and the stirring chamber 40, the space between the clean water inlet and the second clean water outlet 64, and the space between the dissolved gas water outlet and the air releasing mechanism 63 are all connected through pipelines, and flow valves for controlling the flow are arranged on the pipelines; pressure pumps are arranged between the clean water inlet and the second clean water outlet 64 and in front of the first water inlet, and are used for pressurizing and supplying water through the first water return pipeline 24 and the second water return pipeline 33.
Pressure gauges are arranged in the first ozone catalytic oxidation tower 20, the second ozone catalytic oxidation tower 30 and the dissolved air tank 70 to detect the internal pressure; exhaust valves are provided on both the first exhaust port 23 and the second exhaust port 32 so that the internal pressure can be controlled to be rapidly reduced.
A coagulation stirring cavity 41 and a flocculation stirring cavity 42 are arranged in the stirring chamber 40, stirring mechanisms 43 are respectively arranged in the coagulation stirring cavity 41 and the flocculation stirring cavity 42, the inlet of the coagulation stirring cavity 41 is connected with the second water outlet, the inlet of the flocculation stirring cavity 42 is communicated with the outlet of the coagulation stirring cavity 41, and the outlet of the flocculation stirring cavity 42 is communicated with the air floatation tank 60; the number of the first medicine adding devices 50 is at least two, and the coagulation stirring cavity 41 and the flocculation stirring cavity 42 are respectively connected so as to respectively add medicine.
The mixing chamber 41 and the flocculation mixing chamber 42 are two chambers separated by a partition board for the mixing chamber 40, the inlet of the mixing chamber 41 and the outlet of the flocculation mixing chamber 42 are both located at the lower part of the mixing chamber 40, and the communicating part of the mixing chamber 41 and the flocculation mixing chamber 42 is located at the upper part of the mixing chamber 40, so that the flow path of water is extended, and more uniform mixing is facilitated.
Scum clearance mechanism is including scraping sediment machine 65, collection slag groove 66 and slag notch 67, and collection slag groove 66 is located one side of air supporting pond 60, scrapes the liquid level position that sediment machine 65 is located air supporting pond 60, and one end is located collection slag groove 66 top to scrape into collection slag groove 66 with the dross on the liquid level in, slag notch 67 is established on collection slag groove 66, in order to slag tap.
The slag scraper 65 is a caterpillar chain transmission mechanism with a scraper; an inclined plate 68 is arranged on one side of the slag collecting groove 66 facing the slag scraping machine 65, so that the scraped scum is controlled by water, and the water entering the slag collecting groove 66 is reduced; the scraper 68 and the swash plate are both of a resilient construction to reduce frictional noise and wear between each other.
The catalytic ozone coupling air flotation integrated device for advanced wastewater treatment further comprises a plurality of second chemical adding devices 80, wherein the second chemical adding devices 80 are respectively connected with the first water inlet, the first water outlet and the second water outlet so as to add chemicals; first doser 50 and second doser 80 all are equipped with agitator and measuring pump to stir and the ration adds the medicine.
The first catalyst layer 21 and the second catalyst layer 31 each include a support and a catalyst provided on the support; the support member is a mesh disc support member.
The first ozone catalytic oxidation tower 20 and the second ozone catalytic oxidation tower 30 are both vertical cylindrical towers; the ozone generator 10 is a vertical ozone generator; the first ozone catalytic oxidation tower 20 and the second ozone catalytic oxidation tower 30 are both made of carbon steel, and the ozone aerator 22 is made of titanium alloy.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a catalysis ozone coupling air supporting integrated device for sewage advanced treatment which characterized in that includes:
an ozone generator for generating ozone;
the lower part of the first ozone catalytic oxidation tower is provided with a first water inlet used for being connected with sewage supply equipment, the first ozone catalytic oxidation tower is internally provided with a first catalyst layer and an ozone aerator which is positioned below the first catalyst layer and is connected with the ozone generator, and the upper part of the first ozone catalytic oxidation tower is provided with a first water outlet and a first exhaust port; the first ozone catalytic oxidation tower is also provided with a first water return pipeline, and the first water return pipeline is respectively connected with the first water inlet and the first water outlet and is used for returning water at the first water outlet to the first water inlet so as to circulate in the first ozone catalytic oxidation tower again;
the lower part of the second ozone catalytic oxidation tower is provided with a second water inlet connected with the first water outlet, the inside of the second ozone catalytic oxidation tower is provided with a second catalyst layer, and the upper part of the second ozone catalytic oxidation tower is provided with a second water outlet and a second exhaust port; the second ozone catalytic oxidation tower is also provided with a second water return pipeline, and the second water return pipeline is respectively connected with the second water inlet and the second water outlet and is used for returning water at the second water outlet to the second water inlet so as to recycle the water in the second ozone catalytic oxidation tower;
the inlet of the stirring chamber is connected with the second water outlet and is used for stirring the entering water;
the first medicine adding device is connected with the stirring chamber and is used for adding medicine into the stirring chamber;
the inlet of the air floatation tank is connected with the outlet of the stirring chamber and is used for air floatation of the water after being added with the chemicals and stirred, the upper part of the air floatation tank is provided with a scum cleaning mechanism and a first clear water outlet for leading out clear water, and the lower part of the air floatation tank is provided with a waste liquid outlet, an air release mechanism and a second clear water outlet;
dissolve the gas pitcher, be equipped with clear water import, air intlet and dissolve the gas water export, clear water import with second clear water exit linkage, air intlet is used for being connected with compressed air supply equipment, dissolve the gas water export with air release mechanism connects for to injecting gas formation from the clear water that second clear water export flowed in and dissolving gas water, and will it injects the air supporting pond into through air release mechanism to dissolve gas water.
2. The catalytic ozone coupled air flotation integrated device for advanced wastewater treatment as claimed in claim 1, wherein: the space between the first water outlet and the second water inlet, the space between the second water outlet and the inlet of the stirring chamber, the space between the first doser and the stirring chamber, the space between the clean water inlet and the second clean water outlet and the space between the dissolved air water outlet and the air releasing mechanism are all connected through pipelines, and flow valves for controlling flow are arranged on the pipelines; and pressure pumps are arranged between the clean water inlet and the second clean water outlet and in front of the first water inlet, and the first water return pipeline and the second water return pipeline are used for pressurizing and supplying water.
3. The catalytic ozone coupled air flotation integrated device for advanced wastewater treatment as claimed in claim 1, wherein: pressure gauges are arranged in the first ozone catalytic oxidation tower, the second ozone catalytic oxidation tower and the dissolved air tank to detect internal pressure; first exhaust port with all be equipped with discharge valve on the second exhaust port to can control the internal pressure and reduce fast.
4. The catalytic ozone coupled air flotation integrated device for advanced wastewater treatment as claimed in claim 1, wherein: a coagulation stirring cavity and a flocculation stirring cavity are arranged in the stirring chamber, stirring mechanisms are arranged in the coagulation stirring cavity and the flocculation stirring cavity, the inlet of the coagulation stirring cavity is connected with the second water outlet, the inlet of the flocculation stirring cavity is communicated with the outlet of the coagulation stirring cavity, and the outlet of the flocculation stirring cavity is communicated with the air floatation tank; first doser is at least two, thoughtlessly congeals the stirring chamber respectively and stirs the chamber with flocculation and connect to add the medicine respectively.
5. The integrated catalytic ozone-coupled air flotation device for advanced wastewater treatment as claimed in claim 4, wherein: the coagulating and stirring cavity and the flocculating and stirring cavity are two cavities separated by the stirring chamber through a partition plate, the inlet of the coagulating and stirring cavity and the outlet of the flocculating and stirring cavity are both positioned at the lower part of the stirring chamber, and the coagulating and stirring cavity and the communicating part of the flocculating and stirring cavity are positioned at the upper part of the stirring chamber.
6. The catalytic ozone coupled air flotation integrated device for advanced wastewater treatment as claimed in claim 1, wherein: scum clearance mechanism is including scraping sediment machine, collection slag groove and slag notch, collection slag groove is located one side in air supporting pond, it is located to scrape the sediment machine liquid level position in the air supporting pond, and one end is located collection slag groove top to scrape into collection slag inslot with the dross on the liquid level, the slag notch is established on the collection slag groove, in order to slag tap.
7. The integrated catalytic ozone-coupled air flotation device for advanced wastewater treatment as claimed in claim 6, wherein: the slag scraper is a crawler chain transmission mechanism with a scraper; an inclined plate is arranged on one side of the slag collecting groove facing the slag scraping machine; the scraper blade with the swash plate is elastic construction.
8. The catalytic ozone coupled air flotation integrated device for advanced wastewater treatment as claimed in claim 1, wherein: the catalytic ozone coupling air flotation integrated device for advanced sewage treatment further comprises a plurality of second chemical adding devices, and the second chemical adding devices are respectively connected with the first water inlet, the first water outlet and the second water outlet so as to add chemicals; first doser with the second doser all is equipped with agitator and measuring pump.
9. The catalytic ozone coupled air flotation integrated device for advanced wastewater treatment as claimed in claim 1, wherein: the first catalyst layer and the second catalyst layer each include a support and a catalyst disposed on the support; the support member is a mesh disc support member.
10. The catalytic ozone coupled air flotation integrated device for advanced wastewater treatment as claimed in claim 1, wherein: the first ozone catalytic oxidation tower and the second ozone catalytic oxidation tower are both vertical cylindrical towers; the ozone generator is a vertical ozone generator; the first ozone catalytic oxidation tower and the second ozone catalytic oxidation tower are both of carbon steel structures, and the ozone aerator is of a titanium alloy structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123170785.1U CN216472613U (en) | 2021-12-16 | 2021-12-16 | Catalytic ozone coupling air flotation integrated device for advanced wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123170785.1U CN216472613U (en) | 2021-12-16 | 2021-12-16 | Catalytic ozone coupling air flotation integrated device for advanced wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216472613U true CN216472613U (en) | 2022-05-10 |
Family
ID=81423536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123170785.1U Active CN216472613U (en) | 2021-12-16 | 2021-12-16 | Catalytic ozone coupling air flotation integrated device for advanced wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216472613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304181A (en) * | 2022-07-01 | 2022-11-08 | 厦门慧鼎科技有限公司 | Ozone advanced treatment system and process for sewage |
-
2021
- 2021-12-16 CN CN202123170785.1U patent/CN216472613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115304181A (en) * | 2022-07-01 | 2022-11-08 | 厦门慧鼎科技有限公司 | Ozone advanced treatment system and process for sewage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102674634B (en) | Treatment process of wastewater in coal chemical industry | |
| CN101205109B (en) | Apparatus for treating chemical fiber waste water by anaerobic method | |
| CN102701496A (en) | Method and process for treating high-concentration organic wastewater difficult to degrade | |
| CN216472613U (en) | Catalytic ozone coupling air flotation integrated device for advanced wastewater treatment | |
| CN111762965A (en) | Advanced treatment and recycling method for petrochemical wastewater | |
| CN114084998A (en) | Rubbish transfer station waste water and domestic sewage cooperative processing system | |
| CN211226806U (en) | Zero release processing system of cosmetics waste water | |
| KR101221565B1 (en) | Electrolytic treatment of waste water | |
| CN203845900U (en) | Organic sewage treatment device in lab | |
| CN105036261A (en) | Internal-circulation type iron-carbon micro-electrolysis reactor | |
| CN212050834U (en) | Coke quenching waste water ozone catalytic oxidation device | |
| CN210457807U (en) | High-efficient ozone catalytic oxidation advanced treatment unit of printing and dyeing wastewater | |
| CN106467349B (en) | High-concentration acidic organic wastewater treatment system and method | |
| CN201154935Y (en) | Chemical fabrics waste water treatment plant | |
| CN1789155A (en) | Rotary drum type reaction apparatus for waste water treatment by micro-electrolysis | |
| CN213416494U (en) | Sewage treatment device and purification system | |
| CN212476433U (en) | Receive magnetism intelligence integration water prosthetic devices | |
| CN210711170U (en) | Full-factor standard-reaching optimization process system for electroplating wastewater | |
| CN210480920U (en) | Air floatation system with sludge backflow function | |
| CN106430739A (en) | Sea-water-desalination pre-treatment system and technology for nuclear power station | |
| CN201250138Y (en) | Ozone iron-zinc bed catalyzing device for wastewater treatment | |
| CN204939044U (en) | A kind of internal-circulation type iron-carbon micro-electrolysis reactor | |
| CN214141845U (en) | Be applied to landfill leachate and prevent gaseous state deamination membrane integrated device that blocks up | |
| CN221479602U (en) | Air-floatation water purification treatment device | |
| CN212403593U (en) | Backwashing water recovery device for water treatment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |