CN115259276B - Centrifugal photocatalytic wastewater degradation device and application method thereof - Google Patents
Centrifugal photocatalytic wastewater degradation device and application method thereof Download PDFInfo
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- CN115259276B CN115259276B CN202210936623.4A CN202210936623A CN115259276B CN 115259276 B CN115259276 B CN 115259276B CN 202210936623 A CN202210936623 A CN 202210936623A CN 115259276 B CN115259276 B CN 115259276B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 250
- 230000015556 catabolic process Effects 0.000 title claims abstract description 211
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 211
- 238000000034 method Methods 0.000 title claims description 32
- 230000001699 photocatalysis Effects 0.000 title claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 170
- 230000007246 mechanism Effects 0.000 claims abstract description 148
- 239000003054 catalyst Substances 0.000 claims abstract description 145
- 238000001514 detection method Methods 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 55
- 238000003860 storage Methods 0.000 claims abstract description 55
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 51
- 239000007921 spray Substances 0.000 claims description 17
- 230000000593 degrading effect Effects 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000008439 repair process Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 230000001174 ascending effect Effects 0.000 abstract 1
- 239000002957 persistent organic pollutant Substances 0.000 description 6
- 238000007146 photocatalysis Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000010842 industrial wastewater Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000011941 photocatalyst Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 230000036541 health Effects 0.000 description 1
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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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
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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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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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
- C02F2305/10—Photocatalysts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model provides a centrifugal photocatalytic degradation waste water device, including the waste water tank, two degradation mechanism and two detection mechanism, degradation mechanism includes the base, the reaction box, centrifuge and connecting pipe, be provided with the place ware in the reaction box, the ultraviolet lamp is equipped with in the place ware interpolation, place ware bottom both sides are provided with the shower nozzle, connecting pipe one end is through control valve and waste water tank intercommunication, the connecting pipe other end and shower nozzle intercommunication, be provided with first catalyst on the reaction box inner wall, be provided with the water storage tank under the reaction box, the centrifuge top is connected with first mounting panel, be provided with the second catalyst on the first mounting panel, first mounting panel both sides are connected with the ascending second mounting panel of slope, be provided with the third catalyst on the second mounting panel, the bottom of centrifuge is connected with the motor, detection mechanism communicates with the water storage tank respectively, the control valve intercommunication between two detection mechanism. The design has the advantages of high degradation efficiency, good degradation effect, short degradation period and high reliability.
Description
Technical Field
The invention relates to the technical field of wastewater treatment equipment, in particular to a centrifugal photocatalytic wastewater degradation device and a use method thereof, which are mainly suitable for improving the degradation efficiency of wastewater.
Background
The water pollution control is a key problem focused in the world today, a large amount of industrial wastewater containing toxic organic pollutants is generated in modern industrial production, wherein the detected organic pollutants are up to more than 2000, including organic pollutants such as phenolic compounds, benzene compounds, halocarbon compounds and the like, and the industrial wastewater containing the organic pollutants is directly discharged into the water without treatment, so that the water pollution is caused, microorganisms are grown, the composition of substances in the water is changed, the substances in the water can remain in the water for a long time more seriously, and finally enter the human body through the food chain enrichment effect, and the health of the human body is damaged.
The current treatment method for organic pollutants in industrial wastewater comprises the following steps: activated carbon adsorption, oxidation treatment, membrane treatment, ion exchange resin and photocatalysis; these methods have good effects on industrial wastewater treatment, but each method has limitations: the active carbon adsorption method has lower removal rate and consumes more active carbon; the universality of the oxidation treatment is poor; the membrane of the membrane treatment method is easy to be blocked, membrane materials need to be replaced regularly, and the maintenance cost is high; the ion exchange resin mode is only suitable for water purification treatment process with low concentration of organic pollutants.
As a novel modern organic pollution treatment mode, the photocatalysis technology has the remarkable advantages of low energy consumption, mild reaction conditions, no secondary pollution and high removal rate, and becomes an organic wastewater treatment mode widely studied and applied in recent years, but the photocatalysis degradation device in the market at present adopts the mode that the most traditional photocatalyst is soaked in wastewater, and has the problem of low degradation efficiency due to insufficient contact between the wastewater and the photocatalyst.
Disclosure of Invention
The invention aims to overcome the defect and problem of low degradation efficiency in the prior art and provides a centrifugal photocatalytic wastewater degradation device with high degradation efficiency and a use method thereof.
In order to achieve the above object, the technical solution of the present invention is: the utility model provides a centrifugal photocatalytic degradation waste water device, includes waste water tank and first degradation mechanism, first degradation mechanism includes base, reaction box, centrifuge and connecting pipe, the reaction box is connected with the top of base through the mounting bracket, is provided with the ware of placing in the reaction box, the top of placing the ware is connected with the interior top surface of reaction box, is equipped with the ultraviolet lamp in placing the ware interpolation, and the both sides of placing the ware bottom all are provided with the shower nozzle, the one end of connecting pipe is through control valve and waste water tank intercommunication, and the other end of connecting pipe passes behind the reaction box and shower nozzle intercommunication, the position that is located the ware both sides on the inner lateral wall of reaction box all is provided with first catalyst, be provided with the water storage tank under the reaction box, the top of water storage tank is connected with the bottom of reaction box, and the bottom of water storage tank is installed on the top of base, is provided with the outlet on the water storage tank, the centrifuge is located the water storage tank, and the top of centrifuge is connected with first mounting panel, is provided with the second catalyst on the first, and the second catalyst is located under the shower nozzle, the both sides, and the second catalyst is located the motor is connected with the first mounting panel, and the second catalyst is upwards directed to the second mounting panel is connected with the base.
The reflecting mirrors are arranged on the inner top surface of the reaction box body at the positions on two sides of the placement device.
The first catalyst is located in a first installation frame, a first installation groove is formed in the outer side face of the first installation frame, a first fastening piece is arranged in the first installation groove, the first fastening piece penetrates through the first catalyst and then is connected with the inner side wall of the reaction box body, and a first cover plate is arranged on the first installation groove.
The second catalyst is positioned in a second mounting frame, a second mounting groove is formed in the outer side face of the second mounting frame, a second fastening piece is arranged in the second mounting groove, the second fastening piece penetrates through the second catalyst and then is connected with the first mounting plate, and a second cover plate is arranged on the second mounting groove; the third catalyst is located in a third mounting frame, a third mounting groove is formed in the outer side face of the third mounting frame, a third fastening piece is arranged in the third mounting groove, the third fastening piece penetrates through the third catalyst and then is connected with the second mounting plate, and a third cover plate is arranged on the third mounting groove.
The inner side wall of the water storage tank is provided with water level monitoring equipment.
The mounting frame comprises a connecting shaft, a connector and a support column, wherein the connecting shaft is connected to the left and right outer side walls of the reaction box body, the connecting shaft is connected with the connector, the connector is connected with the top of the support column, and the bottom of the support column is connected with the top of the base.
The centrifugal photocatalytic degradation waste water device further comprises a first detection mechanism, the first detection mechanism comprises a first drainage box, a detector and a second drainage box, a water inlet of the first drainage box is communicated with a water outlet of the water storage box, a water outlet of the first drainage box is communicated with a water inlet of the second drainage box through the detector, a first water outlet of the second drainage box is communicated with the control valve through a conveying pipe, and a water pump is arranged on the conveying pipe.
The centrifugal photocatalytic degradation wastewater device further comprises a second degradation mechanism and a second detection mechanism, the structure of the second degradation mechanism is identical to that of the first degradation mechanism, a connecting pipe of the second degradation mechanism is communicated with the wastewater tank through a control valve, the structure of the second detection mechanism is identical to that of the first detection mechanism, and a second water outlet of a second water drainage tank of the second detection mechanism is communicated with a second water outlet of a second water drainage tank of the first detection mechanism.
A method for using a centrifugal photocatalytic wastewater degradation device, the method comprising the following steps:
firstly, a control valve is started, an ultraviolet lamp and a motor are started, the motor drives a centrifuge to rotate, the centrifuge drives a second catalyst and a third catalyst to rotate, then waste water in a waste water tank is conveyed into a connecting pipe, the waste water is sprayed onto the second catalyst through a spray nozzle, under the action of the centrifuge, the waste water is scattered onto the third catalyst and the first catalyst in sequence, then, the waste water slides into a water storage tank along the surface of the first catalyst, after the waste water in the water storage tank reaches a set quantity, a water outlet is opened, and then, the degraded waste water is discharged from the water storage tank through the water outlet.
A method for using a centrifugal photocatalytic wastewater degradation device, the method comprising the following steps:
s1, degrading and detecting the wastewater by adopting a first degradation mechanism and a first detection mechanism;
s11, firstly starting a control valve, starting an ultraviolet lamp and a motor, driving a centrifuge to rotate by the motor, driving a second catalyst and a third catalyst to rotate by the centrifuge, then conveying wastewater in a wastewater tank into a connecting pipe, spraying the wastewater onto the second catalyst through a spray nozzle, dispersing the wastewater onto the third catalyst and the first catalyst in sequence under the action of the centrifuge, then enabling the wastewater to slide into a water storage tank along the surface of the first catalyst, opening a water outlet after the wastewater in the water storage tank reaches a set amount, discharging primary degradation wastewater from the water storage tank to a first water drainage tank through the water outlet, and closing the water outlet after the primary degradation wastewater in the first water drainage tank reaches the set amount;
s12, extracting the primary degradation wastewater in the first drainage tank through a detector for detection, and discharging the primary degradation wastewater in the first drainage tank through the detector and the second drainage tank if the concentration of the primary degradation wastewater meets a set value; if the concentration of the primary degradation wastewater does not accord with the set value, the primary degradation wastewater in the first drainage tank is conveyed to the second drainage tank through the detector, the primary degradation wastewater in the second drainage tank is conveyed into the connecting pipe through the water pump and the control valve, then the primary degradation wastewater is subjected to secondary degradation through the first degradation mechanism, the secondary degradation wastewater is discharged to the first drainage tank, then the secondary degradation wastewater is detected through the first detection mechanism, and if the concentration of the secondary degradation wastewater accords with the set value, the secondary degradation wastewater is discharged and the wastewater in the wastewater tank is continuously degraded by adopting the first degradation mechanism; if the concentration of the secondary degradation wastewater does not accord with the set value, the first degradation mechanism is determined to be invalid, and then the secondary degradation wastewater is conveyed to a second drainage tank of a second detection mechanism;
s2, degrading and detecting the wastewater by adopting a second degradation mechanism and a second detection mechanism;
s21, conveying the secondary degradation wastewater in the second drainage tank into the connecting pipe through the water pump and the control valve;
s22, carrying out tertiary degradation on the secondary degradation wastewater through a second degradation mechanism, detecting the tertiary degradation wastewater through a second detection mechanism, and discharging the tertiary degradation wastewater after the concentration of the tertiary degradation wastewater accords with a set value;
s23, degrading and detecting the wastewater in the wastewater tank through a second degradation mechanism and a second detection mechanism;
s3, replacing the first catalyst, the second catalyst and the third catalyst in the first degradation mechanism to repair the first degradation mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a centrifugal photocatalytic degradation waste water device and a use method thereof, wherein a control valve is firstly opened, an ultraviolet lamp and a motor are started, the motor drives a centrifuge to rotate, the centrifuge drives a second catalyst and a third catalyst to rotate, then waste water in a waste water tank is conveyed into a connecting pipe, the waste water is sprayed onto the second catalyst through a spray nozzle, the waste water is sequentially scattered onto the third catalyst and the first catalyst under the action of the centrifuge, in the process, the waste water moves from the center to the periphery, a very thin water film is formed on the surface of the catalyst, so that the waste water can be fully contacted with the catalyst, then the waste water slides into a water storage tank along the surface of the first catalyst, after the waste water in the water storage tank reaches a set amount, a water outlet is opened, and then the degraded waste water is discharged from the water storage tank through the water outlet. Therefore, the invention improves the degradation efficiency of the wastewater.
2. According to the centrifugal photocatalytic wastewater degradation device and the application method thereof, the reflectors are arranged on the inner top surface of the reaction box body and positioned on the two sides of the placer, so that the light source utilization efficiency of the ultraviolet lamp is improved, and the degradation effect of the catalyst on wastewater is improved; the water level monitoring equipment is arranged on the inner side wall of the water storage tank, and the water level monitoring equipment displays the amount of waste water sprayed in the water storage tank, so that the water storage tank is convenient to use; the mounting bracket includes connecting axle, connector and pillar, all is connected with the connecting axle on the lateral wall about the reaction box, and the connecting axle is connected with the connector, and the connector is connected with the top of pillar, and the bottom of pillar is connected with the top of base, and the mounting bracket of above-mentioned structure not only makes the installation of reaction box and base simple and convenient with dismantling, makes the stability of whole device moreover good. Therefore, the invention has good degradation effect, convenient use, simple and convenient installation and disassembly and good stability.
3. According to the centrifugal photocatalytic wastewater degradation device and the application method thereof, the catalyst is positioned in the installation frame, the installation groove is formed in the outer side face of the installation frame, the fastener is arranged in the installation groove, and the fastener penetrates through the catalyst and is connected with the reaction box body or the installation plate, and the cover plate is arranged on the installation groove, so that the catalyst is convenient to install and detach. Therefore, the invention is simple and convenient to install and disassemble.
4. The invention relates to a centrifugal photocatalytic degradation wastewater device and a use method thereof, wherein a first detection mechanism comprises a first drainage box, a detector and a second drainage box, wherein a water inlet of the first drainage box is communicated with a water outlet of a water storage box, a water outlet of the first drainage box is communicated with a water inlet of the second drainage box through the detector, a first water outlet of the second drainage box is communicated with a control valve through a conveying pipe, and a water pump is arranged on the conveying pipe; the detection mechanism is additionally arranged, so that the degradation effect of the wastewater can be improved, and the detection mechanism can be used for detecting whether the degradation mechanism fails or not, and the reliability of the degradation mechanism is improved. Therefore, the invention has good degradation effect and high reliability.
5. The invention relates to a centrifugal photocatalytic degradation wastewater device and a use method thereof, wherein the centrifugal photocatalytic degradation wastewater device further comprises a second degradation mechanism and a second detection mechanism, the structure of the second degradation mechanism is the same as that of the first degradation mechanism, a connecting pipe of the second degradation mechanism is communicated with a wastewater tank through a control valve, the structure of the second detection mechanism is the same as that of the first detection mechanism, and a second water outlet of a second water drainage tank of the second detection mechanism is communicated with a second water outlet of a second water drainage tank of the first detection mechanism; the second degradation mechanism and the second detection mechanism are additionally arranged, so that the cyclic degradation can be realized, the degradation effect of the wastewater is improved, and after the first degradation mechanism fails, the second degradation mechanism can replace the first degradation mechanism to degrade the wastewater, so that the maintenance and the catalyst replacement of the first degradation mechanism are facilitated, the uninterrupted degradation is realized, and the degradation period is shortened. Therefore, the invention has good degradation effect and short degradation period.
Drawings
FIG. 1 is a schematic structural view of a device for centrifugally photocatalytic degradation of wastewater according to the present invention.
FIG. 2 is a schematic diagram of the first degrading mechanism and the first detector according to the present invention.
Fig. 3 is a schematic view of the installation structure of the first catalyst in the present invention.
Fig. 4 is a schematic diagram of the installation structure of the second catalyst and the third catalyst in the present invention.
In the figure: the waste water tank 1, the first degradation mechanism 2, the base 21, the reaction tank 22, the centrifuge 23, the connection pipe 24, the mounting bracket 25, the connection shaft 251, the connector 252, the stay 253, the applicator 26, the ultraviolet lamp 27, the shower head 28, the control valve 29, the first catalyst 210, the water reservoir 211, the first mounting plate 212, the second catalyst 213, the second mounting plate 214, the third catalyst 215, the motor 216, the mirror 217, the drain 218, the first mounting frame 3, the first mounting groove 31, the first fastening member 32, the first cover plate 33, the second mounting frame 4, the second mounting groove 41, the second fastening member 42, the second cover plate 43, the third mounting frame 5, the third mounting groove 51, the third fastening member 52, the third cover plate 53, the first drain tank 6, the detector 7, the second drain tank 8, the water pump 9, and the second degradation mechanism 10.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 4, a centrifugal photocatalytic wastewater degradation device comprises a wastewater tank 1 and a first degradation mechanism 2, the first degradation mechanism 2 comprises a base 21, a reaction tank 22, a centrifuge 23 and a connecting pipe 24, the reaction tank 22 is connected with the top of the base 21 through a mounting bracket 25, a placer 26 is arranged in the reaction tank 22, the top of the placer 26 is connected with the inner top surface of the reaction tank 22, an ultraviolet lamp 27 is inserted in the placer 26, spray heads 28 are arranged on two sides of the bottom of the placer 26, one end of the connecting pipe 24 is communicated with the wastewater tank 1 through a control valve 29, the other end of the connecting pipe 24 is communicated with the spray heads 28 after passing through the reaction tank 22, a first catalyst 210 is arranged on two sides of the placer 26 on the inner side wall of the reaction tank 22, a water storage tank 211 is arranged under the reaction tank 22, the bottom of the placement tank 211 is communicated with the bottom of the reaction tank 22, a water outlet 218 is arranged on the top of the base 21, an ultraviolet lamp 27 is inserted in the placement tank 26, a centrifugal motor 23 is arranged on the centrifuge 23, a second catalyst 212 is arranged on the second catalyst 212 and is arranged on the first catalyst 212 and is arranged on the second catalyst 212, the second catalyst 212 is arranged on the second catalyst 212 and is arranged on the first catalyst 212 and the second catalyst 212.
The reflecting mirrors 217 are disposed on the inner top surface of the reaction box 22 at the two sides of the placement device 26.
The first catalyst 210 is located in the first installation frame 3, the first installation groove 31 is formed in the outer side face of the first installation frame 3, the first fastening piece 32 is arranged in the first installation groove 31, the first fastening piece 32 penetrates through the first catalyst 210 and then is connected with the inner side wall of the reaction box 22, and the first installation groove 31 is provided with the first cover plate 33.
The second catalyst 213 is located in the second installation frame 4, a second installation groove 41 is formed in the outer side surface of the second installation frame 4, a second fastening piece 42 is arranged in the second installation groove 41, the second fastening piece 42 passes through the second catalyst 213 and then is connected with the first installation plate 212, and a second cover plate 43 is arranged on the second installation groove 41; the third catalyst 215 is located in the third installation frame 5, a third installation groove 51 is formed in the outer side surface of the third installation frame 5, a third fastening piece 52 is arranged in the third installation groove 51, the third fastening piece 52 penetrates through the third catalyst 215 and then is connected with the second installation plate 214, and a third cover plate 53 is arranged on the third installation groove 51.
The inner side wall of the water storage tank 211 is provided with water level monitoring equipment.
The mounting frame 25 includes a connecting shaft 251, a connector 252 and a supporting column 253, wherein the connecting shaft 251 is connected to the left and right outer side walls of the reaction box 22, the connecting shaft 251 is connected to the connector 252, the connector 252 is connected to the top of the supporting column 253, and the bottom of the supporting column 253 is connected to the top of the base 21.
The centrifugal photocatalytic degradation wastewater device further comprises a first detection mechanism, the first detection mechanism comprises a first drainage tank 6, a detector 7 and a second drainage tank 8, a water inlet of the first drainage tank 6 is communicated with a water outlet 218 of a water storage tank 211, a water outlet of the first drainage tank 6 is communicated with a water inlet of the second drainage tank 8 through the detector 7, a first water outlet of the second drainage tank 8 is communicated with a control valve 29 through a conveying pipe, and a water pump 9 is arranged on the conveying pipe.
The centrifugal photocatalytic degradation wastewater device further comprises a second degradation mechanism 10 and a second detection mechanism, the structure of the second degradation mechanism 10 is identical to that of the first degradation mechanism 2, a connecting pipe 24 of the second degradation mechanism 10 is communicated with the wastewater tank 1 through a control valve 29, the structure of the second detection mechanism is identical to that of the first detection mechanism, and a second water outlet of a second water drainage tank 8 of the second detection mechanism is communicated with a second water outlet of a second water drainage tank 8 of the first detection mechanism.
A method for using a centrifugal photocatalytic wastewater degradation device, the method comprising the following steps:
the control valve 29 is firstly opened, the ultraviolet lamp 27 and the motor 216 are started, the motor 216 drives the centrifuge 23 to rotate, the centrifuge 23 drives the second catalyst 213 and the third catalyst 215 to rotate, then the waste water in the waste water tank 1 is conveyed into the connecting pipe 24, the waste water is sprayed onto the second catalyst 213 through the spray head 28, the waste water is sequentially scattered onto the third catalyst 215 and the first catalyst 210 under the action of the centrifuge 23, then the waste water slides into the water storage tank 211 along the surface of the first catalyst 210, after the waste water in the water storage tank 211 reaches a set amount, the water outlet 218 is opened, and then the degraded waste water is discharged from the water storage tank 211 through the water outlet 218.
A method for using a centrifugal photocatalytic wastewater degradation device, the method comprising the following steps:
s1, degrading and detecting the wastewater by adopting a first degradation mechanism 2 and a first detection mechanism;
s11, firstly, starting a control valve 29, starting an ultraviolet lamp 27 and a motor 216, enabling the motor 216 to drive a centrifuge 23 to rotate, enabling the centrifuge 23 to drive a second catalyst 213 and a third catalyst 215 to rotate, then conveying waste water in a waste water tank 1 into a connecting pipe 24, spraying the waste water onto the second catalyst 213 through a spray nozzle 28, dispersing the waste water onto the third catalyst 215 and the first catalyst 210 in sequence under the action of the centrifuge 23, later enabling the waste water to slide into a water storage tank 211 along the surface of the first catalyst 210, opening a water outlet 218 after the waste water in the water storage tank 211 reaches a set amount, then discharging primarily degraded waste water from the water storage tank 211 to a first water drainage tank 6 through the water outlet 218, and closing the water outlet 218 after the primarily degraded waste water in the first water drainage tank 6 reaches the set amount;
s12, firstly extracting the primary degradation wastewater in the first drainage tank 6 through the detector 7 for detection, and discharging the primary degradation wastewater in the first drainage tank 6 through the detector 7 and the second drainage tank 8 if the concentration of the primary degradation wastewater meets a set value; if the concentration of the primary degradation wastewater does not accord with the set value, the primary degradation wastewater in the first drainage tank 6 is conveyed to the second drainage tank 8 through the detector 7, the primary degradation wastewater in the second drainage tank 8 is conveyed into the connecting pipe 24 through the water pump 9 and the control valve 29, then the primary degradation wastewater is subjected to secondary degradation through the first degradation mechanism 2, the secondary degradation wastewater is discharged to the first drainage tank 6, the secondary degradation wastewater is detected through the first detection mechanism, and if the concentration of the secondary degradation wastewater accords with the set value, the secondary degradation wastewater is discharged and the wastewater in the wastewater tank 1 is continuously degraded by adopting the first degradation mechanism 2; if the concentration of the secondary degradation wastewater does not accord with the set value, the first degradation mechanism 2 is determined to be invalid, and then the secondary degradation wastewater is conveyed to a second drainage tank 8 of a second detection mechanism;
s2, degrading and detecting the wastewater by adopting a second degradation mechanism 10 and a second detection mechanism;
s21, conveying the secondary degradation wastewater in the second drainage tank 8 into the connecting pipe 24 through the water pump 9 and the control valve 29;
s22, carrying out tertiary degradation on the secondary degradation wastewater through the second degradation mechanism 10, detecting the tertiary degradation wastewater through the second detection mechanism, and discharging the tertiary degradation wastewater after the concentration of the tertiary degradation wastewater accords with a set value;
s23, degrading and detecting the wastewater in the wastewater tank 1 through a second degrading mechanism 10 and a second detecting mechanism;
s3, replacing the first catalyst 210, the second catalyst 213, and the third catalyst 215 in the first degradation mechanism 2 to repair the first degradation mechanism 2.
The principle of the invention is explained as follows:
when the centrifugal pump is used, the electric pump of the waste water tank is started, waste water of the waste water tank is conveyed to the control valve through the electric pump, the motor drives the centrifugal machine to rotate, the centrifugal machine drives the second catalyst and the third catalyst to rotate, the waste water is directly sprayed onto the second catalyst through the spray head, under the action of the centrifugal machine, the waste water can be scattered onto the third catalyst and the first catalyst, in the process, the waste water moves from the center to the periphery, a layer of very thin water film is formed on the surface of the catalyst, the waste water can be fully contacted with the catalyst, then the waste water slides into the water storage tank along the surface of the first catalyst, the waste water is thrown onto the catalyst through the centrifugal method, the full contact between the waste water and the surface of the catalyst is realized, the degradation efficiency is greatly improved, and the full use of the catalyst is ensured.
When the water level monitoring equipment in the water storage tank monitors that the water level reaches a set amount, a water outlet is opened, primary degradation wastewater is discharged from the water storage tank to a first water discharge tank through the water outlet, when the primary degradation wastewater in the first water discharge tank reaches the set amount, the water outlet is closed, a detector can extract part of the primary degradation wastewater to detect, the concentration of the degraded wastewater is detected, if the concentration accords with the set value, the primary degradation wastewater is conveyed to a second water discharge tank, and water in the second water discharge tank is discharged to a required place; if the concentration of the wastewater detected after the completion of the degradation meets the set value, continuing to use the first degradation mechanism (in order to improve the degradation efficiency, if the concentration of the wastewater degraded by the first degradation mechanism meets the set value, the first degradation mechanism can be further used, if the concentration of the wastewater degraded by the first degradation mechanism does not meet the set value, the first degradation mechanism is directly determined to fail, and the degraded wastewater is conveyed to the second detection mechanism); if the concentration of the detected wastewater after the degradation is finished does not accord with the set value, the catalyst of the first degradation mechanism is problematic, and the secondary degradation wastewater is conveyed to a second drainage tank of the second detection mechanism; the above operation is repeated until the complete degradation of the wastewater reaches the standard, thereby realizing the cyclic degradation, and being capable of quantifying and ensuring the quality of the wastewater to reach the standard.
The catalyst is a photocatalysis film prepared on a substrate by sputtering in a magnetron sputtering mode, the substrate can be square or semi-cylindrical, the substrate is fixed on the inner side wall of the reaction box body during installation, the substrate is positioned in the installation frame, the photocatalysis film on the substrate is not blocked by the installation frame to be contacted with wastewater, and another catalyst can be replaced in a disassembling and replacing mode after the catalyst is used up.
Example 1:
referring to fig. 1 and 2, a centrifugal photocatalytic wastewater degradation device comprises a wastewater tank 1 and a first degradation mechanism 2, wherein the first degradation mechanism 2 comprises a base 21, a reaction tank 22, a centrifuge 23 and a connecting pipe 24, the reaction tank 22 is connected with the top of the base 21 through a mounting bracket 25, a placer 26 is arranged in the reaction tank 22, the top of the placer 26 is connected with the inner top surface of the reaction tank 22 (in threaded connection), an ultraviolet lamp 27 is inserted in the placer 26, spray heads 28 are arranged on two sides of the bottom of the placer 26, one end of the connecting pipe 24 is communicated with the wastewater tank 1 through a control valve 29, the other end of the connecting pipe 24 is communicated with the spray heads 28 after passing through the reaction tank 22, a first catalyst 210 is arranged on the inner side wall of the reaction tank 22 and positioned on two sides of the placer 26, a water storage tank 211 is arranged under the reaction tank 22, the top of the placer 211 is communicated with the bottom of the reaction tank 22, the bottom of the water storage tank 211 is arranged on the top of the base 21, an ultraviolet lamp 27 is inserted in the placer 26, a second catalyst 212 is arranged on the centrifuge 218 and a second catalyst 212 is arranged on the centrifuge 21, a second catalyst 212 is arranged on the centrifuge 23 and is arranged on the second mounting plate 214 and is connected with the first catalyst 212; the inner side wall of the water storage tank 211 is provided with water level monitoring equipment.
According to the scheme, the application method of the centrifugal photocatalytic wastewater degradation device comprises the following steps of: the control valve 29 is firstly opened, the ultraviolet lamp 27 and the motor 216 are started, the motor 216 drives the centrifuge 23 to rotate, the centrifuge 23 drives the second catalyst 213 and the third catalyst 215 to rotate, then the waste water in the waste water tank 1 is conveyed into the connecting pipe 24, the waste water is sprayed onto the second catalyst 213 through the spray head 28, the waste water is sequentially scattered onto the third catalyst 215 and the first catalyst 210 under the action of the centrifuge 23, then the waste water slides into the water storage tank 211 along the surface of the first catalyst 210, after the waste water in the water storage tank 211 reaches a set amount, the water outlet 218 is opened, and then the degraded waste water is discharged from the water storage tank 211 through the water outlet 218.
Example 2:
the basic content is the same as in example 1, except that:
referring to fig. 2, the inner top surface of the reaction box 22 is provided with reflectors 217 at positions on both sides of the placement device 26.
Example 3:
the basic content is the same as in example 1, except that:
referring to fig. 3, the first catalyst 210 is located in the first installation frame 3, a first installation groove 31 is formed in an outer side surface of the first installation frame 3, a first fastening member 32 is disposed in the first installation groove 31, the first fastening member 32 passes through the first catalyst 210 and is connected with an inner side wall of the reaction box 22, and a first cover plate 33 is disposed on the first installation groove 31;
referring to fig. 4, the second catalyst 213 is located in the second mounting frame 4, a second mounting groove 41 is formed in an outer side surface of the second mounting frame 4, a second fastening member 42 is disposed in the second mounting groove 41, the second fastening member 42 passes through the second catalyst 213 and is connected to the first mounting plate 212, and a second cover plate 43 is disposed on the second mounting groove 41; the third catalyst 215 is located in the third installation frame 5, a third installation groove 51 is formed in the outer side surface of the third installation frame 5, a third fastening piece 52 is arranged in the third installation groove 51, the third fastening piece 52 penetrates through the third catalyst 215 and then is connected with the second installation plate 214, and a third cover plate 53 is arranged on the third installation groove 51.
Example 4:
the basic content is the same as in example 1, except that:
referring to fig. 2, the mounting frame 25 includes a connection shaft 251, a connector 252 and a supporting column 253, wherein the connection shaft 251 is connected to the left and right outer side walls of the reaction box 22, the connection shaft 251 is connected to the connector 252, the connector 252 is connected to the top of the supporting column 253, and the bottom of the supporting column 253 is connected to the top of the base 21.
Example 5:
the basic content is the same as in example 1, except that:
referring to fig. 1 and 2, the centrifugal photocatalytic degradation wastewater device further comprises a first detection mechanism, the first detection mechanism comprises a first drainage tank 6, a detector 7 and a second drainage tank 8, a water inlet of the first drainage tank 6 is communicated with a water outlet 218 of a water storage tank 211, a water outlet of the first drainage tank 6 is communicated with a water inlet of the second drainage tank 8 through the detector 7, a first water outlet of the second drainage tank 8 is communicated with a control valve 29 through a conveying pipe, and a water pump 9 is arranged on the conveying pipe; the centrifugal photocatalytic degradation wastewater device further comprises a second degradation mechanism 10 and a second detection mechanism, the structure of the second degradation mechanism 10 is identical to that of the first degradation mechanism 2, a connecting pipe 24 of the second degradation mechanism 10 is communicated with the wastewater tank 1 through a control valve 29, the structure of the second detection mechanism is identical to that of the first detection mechanism, and a second water outlet of a second water drainage tank 8 of the second detection mechanism is communicated with a second water outlet of a second water drainage tank 8 of the first detection mechanism.
According to the scheme, the application method of the centrifugal photocatalytic wastewater degradation device comprises the following steps of:
s1, degrading and detecting the wastewater by adopting a first degradation mechanism 2 and a first detection mechanism;
s11, firstly, starting a control valve 29, starting an ultraviolet lamp 27 and a motor 216, enabling the motor 216 to drive a centrifuge 23 to rotate, enabling the centrifuge 23 to drive a second catalyst 213 and a third catalyst 215 to rotate, then conveying waste water in a waste water tank 1 into a connecting pipe 24, spraying the waste water onto the second catalyst 213 through a spray nozzle 28, dispersing the waste water onto the third catalyst 215 and the first catalyst 210 in sequence under the action of the centrifuge 23, later enabling the waste water to slide into a water storage tank 211 along the surface of the first catalyst 210, opening a water outlet 218 after the waste water in the water storage tank 211 reaches a set amount, then discharging primarily degraded waste water from the water storage tank 211 to a first water drainage tank 6 through the water outlet 218, and closing the water outlet 218 after the primarily degraded waste water in the first water drainage tank 6 reaches the set amount;
s12, firstly extracting the primary degradation wastewater in the first drainage tank 6 through the detector 7 for detection, and discharging the primary degradation wastewater in the first drainage tank 6 through the detector 7 and the second drainage tank 8 if the concentration of the primary degradation wastewater meets a set value; if the concentration of the primary degradation wastewater does not accord with the set value, the primary degradation wastewater in the first drainage tank 6 is conveyed to the second drainage tank 8 through the detector 7, the primary degradation wastewater in the second drainage tank 8 is conveyed into the connecting pipe 24 through the water pump 9 and the control valve 29, then the primary degradation wastewater is subjected to secondary degradation through the first degradation mechanism 2, the secondary degradation wastewater is discharged to the first drainage tank 6, the secondary degradation wastewater is detected through the first detection mechanism, and if the concentration of the secondary degradation wastewater accords with the set value, the secondary degradation wastewater is discharged and the wastewater in the wastewater tank 1 is continuously degraded by adopting the first degradation mechanism 2; if the concentration of the secondary degradation wastewater does not accord with the set value, the first degradation mechanism 2 is determined to be invalid, and then the secondary degradation wastewater is conveyed to a second drainage tank 8 of a second detection mechanism;
s2, degrading and detecting the wastewater by adopting a second degradation mechanism 10 and a second detection mechanism;
s21, conveying the secondary degradation wastewater in the second drainage tank 8 into the connecting pipe 24 through the water pump 9 and the control valve 29;
s22, carrying out tertiary degradation on the secondary degradation wastewater through the second degradation mechanism 10, detecting the tertiary degradation wastewater through the second detection mechanism, and discharging the tertiary degradation wastewater after the concentration of the tertiary degradation wastewater accords with a set value;
s23, degrading and detecting the wastewater in the wastewater tank 1 through a second degrading mechanism 10 and a second detecting mechanism;
s3, replacing the first catalyst 210, the second catalyst 213, and the third catalyst 215 in the first degradation mechanism 2 to repair the first degradation mechanism 2.
Claims (7)
1. The utility model provides a centrifugal photocatalytic degradation waste water device, includes waste water tank (1) and first degradation mechanism (2), its characterized in that: the first degradation mechanism (2) comprises a base (21), a reaction box body (22), a centrifuge (23) and a connecting pipe (24), the reaction box body (22) is connected with the top of the base (21) through a mounting frame (25), a placement device (26) is arranged in the reaction box body (22), the top of the placement device (26) is connected with the inner top surface of the reaction box body (22), an ultraviolet lamp (27) is inserted in the placement device (26), spray heads (28) are arranged on two sides of the bottom of the placement device (26), one end of the connecting pipe (24) is communicated with a wastewater tank (1) through a control valve (29), the other end of the connecting pipe (24) is communicated with the spray heads (28) after passing through the reaction box body (22), a first catalyst (210) is arranged at the part on two sides of the inner side wall of the reaction box body (22), a water storage tank (211) is arranged under the reaction box body (22), the top of the water storage tank (211) is communicated with the bottom of the reaction box body (22), a water outlet (211) is arranged on the top of the centrifuge (21) and is arranged on the top of the water storage box (23), the first mounting plate (212) is provided with a second catalyst (213), the second catalyst (213) is positioned under the spray head (28), two sides of the first mounting plate (212) are connected with second mounting plates (214), the second mounting plates (214) are obliquely upwards arranged and point to the first catalyst (210), the second mounting plates (214) are provided with a third catalyst (215), and the bottom of the centrifugal device (23) is connected with a motor (216) on the base (21);
the second catalyst (213) is positioned in the second mounting frame (4), a second mounting groove (41) is formed in the outer side surface of the second mounting frame (4), a second fastening piece (42) is arranged in the second mounting groove (41), the second fastening piece (42) penetrates through the second catalyst (213) and then is connected with the first mounting plate (212), and a second cover plate (43) is arranged on the second mounting groove (41); the third catalyst (215) is positioned in the third mounting frame (5), a third mounting groove (51) is formed in the outer side surface of the third mounting frame (5), a third fastening piece (52) is arranged in the third mounting groove (51), the third fastening piece (52) penetrates through the third catalyst (215) and then is connected with the second mounting plate (214), and a third cover plate (53) is arranged on the third mounting groove (51);
the centrifugal photocatalytic degradation wastewater device further comprises a first detection mechanism, wherein the first detection mechanism comprises a first drainage box (6), a detector (7) and a second drainage box (8), a water inlet of the first drainage box (6) is communicated with a water outlet (218) of a water storage box (211), a water outlet of the first drainage box (6) is communicated with a water inlet of the second drainage box (8) through the detector (7), a first water outlet of the second drainage box (8) is communicated with a control valve (29) through a conveying pipe, and a water pump (9) is arranged on the conveying pipe;
the centrifugal photocatalytic degradation wastewater device further comprises a second degradation mechanism (10) and a second detection mechanism, the structure of the second degradation mechanism (10) is identical to that of the first degradation mechanism (2), a connecting pipe (24) of the second degradation mechanism (10) is communicated with the wastewater tank (1) through a control valve (29), the structure of the second detection mechanism is identical to that of the first detection mechanism, and a second water outlet of a second water drainage tank (8) of the second detection mechanism is communicated with a second water outlet of a second water drainage tank (8) of the first detection mechanism.
2. The centrifugal photocatalytic wastewater degradation device according to claim 1, wherein: the reflecting mirrors (217) are arranged on the inner top surface of the reaction box body (22) at the positions on two sides of the placement device (26).
3. The centrifugal photocatalytic wastewater degradation device according to claim 1, wherein: the first catalyst (210) is located in the first installation frame (3), a first installation groove (31) is formed in the outer side face of the first installation frame (3), a first fastening piece (32) is arranged in the first installation groove (31), the first fastening piece (32) penetrates through the first catalyst (210) and then is connected with the inner side wall of the reaction box body (22), and a first cover plate (33) is arranged on the first installation groove (31).
4. The centrifugal photocatalytic wastewater degradation device according to claim 1, wherein: the inner side wall of the water storage tank (211) is provided with water level monitoring equipment.
5. The centrifugal photocatalytic wastewater degradation device according to claim 1, wherein: the mounting frame (25) comprises a connecting shaft (251), connectors (252) and support posts (253), wherein the connecting shaft (251) is connected to the left outer side wall and the right outer side wall of the reaction box body (22), the connecting shaft (251) is connected with the connectors (252), the connectors (252) are connected with the tops of the support posts (253), and the bottoms of the support posts (253) are connected with the tops of the bases (21).
6. A method for using the centrifugal photocatalytic wastewater degradation device according to claim 1, which is characterized in that: the using method comprises the following steps:
firstly, a control valve (29) is opened, an ultraviolet lamp (27) and a motor (216) are started, the motor (216) drives a centrifuge (23) to rotate, the centrifuge (23) drives a second catalyst (213) and a third catalyst (215) to rotate, then waste water in a waste water tank (1) is conveyed into a connecting pipe (24), the waste water is sprayed onto the second catalyst (213) through a spray nozzle (28), under the action of the centrifuge (23), the waste water is sequentially scattered onto the third catalyst (215) and the first catalyst (210), then, the waste water slides into a water storage tank (211) along the surface of the first catalyst (210), after the waste water in the water storage tank (211) reaches a set quantity, a water outlet (218) is opened, and then the degraded waste water is discharged from the water storage tank (211) through the water outlet (218).
7. A method for using the centrifugal photocatalytic wastewater degradation device according to claim 1, which is characterized in that: the using method comprises the following steps:
s1, degrading and detecting the wastewater by adopting a first degradation mechanism (2) and a first detection mechanism;
s11, firstly opening a control valve (29), starting an ultraviolet lamp (27) and a motor (216), enabling the motor (216) to drive a centrifuge (23) to rotate, enabling the centrifuge (23) to drive a second catalyst (213) and a third catalyst (215) to rotate, then conveying waste water in a waste water tank (1) into a connecting pipe (24), spraying the waste water onto the second catalyst (213) through a spray head (28), dispersing the waste water onto the third catalyst (215) and the first catalyst (210) in sequence under the action of the centrifuge (23), then enabling the waste water to slide into a water storage tank (211) along the surface of the first catalyst (210), opening a water outlet (218) after the waste water in the water storage tank (211) reaches a set amount, then discharging primarily degraded waste water from the water storage tank (211) to a first water discharge tank (6) through the water outlet (218), and closing the water outlet (218) after primarily degraded waste water in the first water discharge tank (6) reaches the set amount;
s12, extracting the primary degradation wastewater in the first drainage tank (6) through the detector (7) for detection, and discharging the primary degradation wastewater in the first drainage tank (6) through the detector (7) and the second drainage tank (8) if the concentration of the primary degradation wastewater meets a set value; if the concentration of the primary degradation wastewater does not accord with a set value, the primary degradation wastewater in the first drainage tank (6) is conveyed to the second drainage tank (8) through the detector (7), then the primary degradation wastewater in the second drainage tank (8) is conveyed into the connecting pipe (24) through the water pump (9) and the control valve (29), then the primary degradation wastewater is subjected to secondary degradation through the first degradation mechanism (2), the secondary degradation wastewater is discharged to the first drainage tank (6), then the secondary degradation wastewater is detected through the first detection mechanism, and if the concentration of the secondary degradation wastewater accords with the set value, the secondary degradation wastewater is discharged and the wastewater in the wastewater tank (1) is continuously degraded by adopting the first degradation mechanism (2); if the concentration of the secondary degradation wastewater does not accord with the set value, the first degradation mechanism (2) is determined to be invalid, and then the secondary degradation wastewater is conveyed to a second drainage tank (8) of a second detection mechanism;
s2, degrading and detecting the wastewater by adopting a second degradation mechanism (10) and a second detection mechanism;
s21, conveying the secondary degradation wastewater in the second drainage tank (8) into the connecting pipe (24) through the water pump (9) and the control valve (29);
s22, carrying out tertiary degradation on the secondary degradation wastewater through a second degradation mechanism (10), detecting the tertiary degradation wastewater through a second detection mechanism, and discharging the tertiary degradation wastewater after the concentration of the tertiary degradation wastewater accords with a set value;
s23, degrading and detecting the wastewater in the wastewater tank (1) through a second degradation mechanism (10) and a second detection mechanism;
s3, replacing the first catalyst (210), the second catalyst (213) and the third catalyst (215) in the first degradation mechanism (2) to repair the first degradation mechanism (2).
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| CN102068979A (en) * | 2011-01-07 | 2011-05-25 | 大连海事大学 | Method for degrading methyl orange dye wastewater with ZnIn2S4 visible light catalyst |
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