CN202576035U - Wastewater treatment device of internal circular flow-type ultrasound coordinating photocatalysis oxidation film - Google Patents
Wastewater treatment device of internal circular flow-type ultrasound coordinating photocatalysis oxidation film Download PDFInfo
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- CN202576035U CN202576035U CN 201120502426 CN201120502426U CN202576035U CN 202576035 U CN202576035 U CN 202576035U CN 201120502426 CN201120502426 CN 201120502426 CN 201120502426 U CN201120502426 U CN 201120502426U CN 202576035 U CN202576035 U CN 202576035U
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Abstract
The utility model relates to a wastewater treatment device of an internal circular flow-type ultrasound coordinating photocatalysis oxidation film. The wastewater treatment device mainly comprises a device container, an ultrasonic generator, a suction pump and an air compressor, wherein an inner wall of the device container is provided with an ultrasonic energy converter, an inclined plate with a gradient of 10 degrees is arranged on a bottom of the device container, and the device container is divided into a left space and a right space by a baffle; a baffle left space is provided with more than one ultraviolet lamp tubes, a gas distribution plate is arranged below the baffle, and a mist and foam baffle and an overflow port are arranged on the baffle; and a baffle right space is provided with at least one tubular inorganic film pipe. By the adoption of the wastewater treatment device, ultrasonic, photocatalysis and film separation processes are reasonably and effectively coupled in an internal circular flow-type flowing state. The wastewater treatment device has the characteristics of high efficiency, energy saving, low cost and the like, and can be used in the effective treatment of various wastewater.
Description
Technical field
The utility model belongs to field of waste water treatment, relates in particular to the ultrasonic synergism light-catalyzed sull of a kind of interior circulation type and handles waste water plant.
Background technology
In recent years, the photocatalytic degradation technology is developed as a kind of new and effective wastewater processing technology faster, and has caused the many scholars' in field such as chemistry, physics, material, environment protection attention.Have advantages such as activity is high, nontoxic, price is relatively low during this technology degrading waste water, type of service has load type and floated system.In the load system; Catalyst particle is supported on certain carrier, and like filling type, film type etc., advantage is the reunion and the losing issue that can effectively solve catalyst particle; Do not influence the radiation degree of depth of light source; But the part active site is capped, and causes catalyst activity number of spots, surface-area and bedding void to descend, and has reduced catalyzed reaction efficient.Floated system can overcome these deficiencies; This system is to utilize ultra-fine (especially nano level) catalyst particles to be dispersed in the liquid and fully to contact with pollutent; Its solid-liquid contact area is higher, and the reaction mass transfer resistance is less, so reaction efficiency is high; Reunite but exist between catalyst particle easily, particularly catalyzer and liquid separate very difficult.
In order to keep the higher activity of catalyzer, can fully recycle catalyzer again, domestic and international in recent years many scholars are coupled photocatalysis technology and membrane separation technique again, develop the photocatalysis membrana reactor drum.According to catalyzer existence form, can be divided into fixed and floated two big types, wherein fixed advantage is that the catalyst recovery utilization is simple; Radiation of light source is effective, but effective contact area of catalyzer and liquid is little, and reaction efficiency is low; Immobilization technology is complicated, and cost is high.And floated photocatalysis membrana reactor drum can effectively overcome these problems; Like ZL98111597.7, ZL00103229.1, ZL200610096970.1 etc., its reaction system not only has higher solid-liquid contact area, and the nano-micro level catalyzer in the reactor drum and the macromolecular substance of not degrading can be held back by continuous separated film; And come back in the reactor drum; Catalyzer can be recycled fully, and the macromolecular substance that is trapped can be further oxidized, and the continuous operation of implement device.But part also comes with some shortcomings: in continuous operational process; Tiny catalyst particles is attached on the light source outside wall surface that is immersed in the solution easily; Influenced effective radiation degree of depth of light; Some nm-class catalyst PM for particulate matters are reunited easily simultaneously, and the solid-liquid contact area is reduced, and these all will reduce the catalyzed degradation efficient of light; Catalyst particles also is easy to stop up fenestra and forms the film surface pollution layer in addition, will reduce the membrane permeability ability greatly, thereby increases the frequency and the difficulty of the cleaning of membrane module and filtering element.
The utility model content
The utility model provide in order to overcome above defective a kind of in the ultrasonic synergism light-catalyzed sull of circulation type handle waste water plant, have characteristics such as efficient, energy-conservation, low cost, applicable to effective processing of various wastewater.
The technical scheme that the utility model is taked to achieve these goals; Comprise apparatus container, ultra-sonic generator, suction pump and air compressor machine; Wherein apparatus container is a cuboid; Its inwall is provided with the ultrasonic energy parallel operation, and the ultrasonic energy parallel operation links to each other with ultra-sonic generator, and it is 10 ° swash plate that apparatus container bottom is provided with obliquity; Two spaces about apparatus container is divided into by dividing plate; The top of dividing plate and bottom face are respectively apart from about container top and the bottom 50mm; The dividing plate left space is provided with the ultraviolet lamp tube more than, and ultraviolet lamp tube is enclosed in the quartz glass tube, is provided with gas distribution grid below the quartz glass tube; Gas distribution grid is taken into account ball valve with air flow quantity respectively through T-valve and is linked to each other, and air flowmeter links to each other with air compressor machine; Be provided with water inlet pipe near quartz glass tube, the water inlet pipe lower port is concordant with the quartz glass tube lower surface; Dividing plate left space top is provided with mist baffle plate and riser, and the bottom is provided with wash water valve; The dividing plate right space is equipped with one and above tubular type inorganic film tube, and its material can be inorganic materials such as sintered glass, sintering metal, pottery and carbon, and the aperture is between 0.2 ~ 2 μ m.Tubular type inorganic film tube lower port is held envelope with silicone rubber O-ring, pressing plate and end socket, and pressing plate is provided with several perforation; Tubular type inorganic film tube port is carried out side seal with silicone rubber O-ring and capping plate, and links to each other with flange, and the flange outlet links to each other with air compressor machine with suction pump respectively.
Compared with prior art, the advantage of the utility model is: under hyperacoustic vibration, cavitation and microjet effect, the compound degree in light induced electron and hole will obtain than obvious suppression in the photochemical catalytic oxidation process; The micro/nano level catalyst particles can keep good dispersing property in solution, can obviously improve the mass-transfer efficiency between solid photocatalyst and the liquid surface; Tiny catalyst particles also is not easy to be attached on the quartz glass tube outside wall surface, collateral security effective radiation effect of light source, these stacks and the synergistic effect that produces can effectively improve the degradation efficiency of waste water.In addition; Ultransonic vibration and cavatition can effectively reduce the concentration polarization degree on film surface; And stop PM for particulate matter in the deposition on film surface and slow down the obstruction of PM for particulate matter to fenestra, and make membrane permeability can be able to keep the stable of long period, can prolong the cycle of operation of membrane element greatly.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the apparatus container vertical view.
Embodiment
With reference to accompanying drawing 1 and accompanying drawing 2; The utility model relates to the ultrasonic synergism light-catalyzed sull of a kind of interior circulation type and handles waste water plant; Comprise apparatus container 19, ultra-sonic generator 6, suction pump 1 and air compressor machine 17, apparatus container 19 is a cuboid, and its inwall is provided with ultrasonic energy parallel operation 8; Ultrasonic energy parallel operation 8 links to each other with ultra-sonic generator 6, and it is 10 that apparatus container 19 bottoms are provided with obliquity
oSwash plate 22, be convenient to the discharging of tail washings.Two spaces about apparatus container 19 is divided into by dividing plate 7, the top of dividing plate 7 and bottom face are respectively apart from about container top and the bottom 50mm.Dividing plate 7 left spaces are provided with the ultraviolet lamp tube 13 more than; Ultraviolet lamp tube 13 is enclosed in the quartz glass tube 14; Be provided with gas distribution grid 18 below the quartz glass tube 14; Gas distribution grid 18 links to each other with air compressor machine 17, is provided with water inlet pipe 10 near quartz glass tube 14, and water inlet pipe 10 lower port are concordant with quartz glass tube 14 lower surfaces; Dividing plate 7 left space tops are provided with mist baffle plate 11 and riser 12, and the bottom is provided with wash water valve 20; Dividing plate 7 right spaces are equipped with one and above tubular type inorganic film tube 5, and its material can be inorganic materials such as sintered glass, sintering metal, pottery and carbon, and the aperture is between 0.2 ~ 2 μ m.Tubular type inorganic film tube 5 lower port are held envelope with silicone rubber O-ring, pressing plate 4 and end socket 3, and pressing plate 4 is provided with perforation 4-1; Tubular type inorganic film tube 5 port are carried out side seal with silicone rubber O-ring and capping plate 23, and link to each other with flange 9, and the flange outlet links to each other with air compressor machine 17 with suction pump 1 respectively.
In the device operational process, pressurized air mixes with waste water and catalyst particles after air distribution plate 18 gets into dividing plate 7 left spaces, forms the gas, liquid, solid three-phase mixture; This mixture upwards flows from dividing plate 7 left spaces bottom; After rising to dividing plate 7 left spaces upper end, escaping gas is discharged from riser 12 through mist baffle plate 11 again from reaction solution, and mist baffle plate 11 can reduce the entrainment of tail gas liquid foam; The atomic small bubbles of part are with the liquid-solid mixture horizontal space that the top end face of top end face and apparatus container 19 of dividing plate 7 forms of flowing through; The right space that gets into dividing plate 7 again flows downward, and when flowing to the lower end, the space that the bottom face of the dividing plate 7 of flowing through again and apparatus container 19 bottom faces form gets into the left space of dividing plate 7; And and the waste water that injects from water inlet pipe 10 and converge in dividing plate 7 left spaces bottom from the gas of air distribution plate 18 inputs; Upwards flow so circulation, circulation flow pattern in forming again.In addition; Under the negative pressure-pumping effect, catalyzer in the container and macromolecular substance are by the mineral membrane effectively catching, and the infiltration clear liquid sees through film and discharges; Through a little higher than dividing plate 7 top end faces of liquid level in the valve opening holdout device container of regulating water inlet pipe 10, and be lower than the top end face of apparatus container 19.Under the ultrasonic field effect; The micro/nano level catalyst particles can keep good dispersing property in solution; Catalyst particles also greatly reduces the effect of sticking of quartz glass tube 14, also can reduce the recombination rate in light induced electron and hole simultaneously, can effectively improve the degradation efficiency of waste water; In addition; Ultrasonic field energy is effectively slowed down the concentration polarization phenomenon on film surface; And stop PM for particulate matter in the deposition on film surface and slow down the obstruction of PM for particulate matter to fenestra, and make membrane permeability in long-time, to keep stable, reach the purpose of the prolongation membrane element cycle of operation.
The practical implementation process is following, utilizes this device can realize the cleaning and regeneration operation of wastewater treatment and membrane element.
Handle the waste water process: open valve 2-3, in container, pour an amount of photocatalyst powder body material into, connect waste water again, waste water is flow in the apparatus container through water inlet pipe 10.When water level was concordant with the top end face of dividing plate 7, valve-off 2-3 opened ultra-sonic generator 6 simultaneously, made that solution is in the ultrasonic field environment in the container; Then regulate T-valve 21, make pipeline connection between air compressor machine 17 and the air distribution plate 18, T-valve 21 another circulating directions end, and open air compressor machine 17 again, open ball valve 2-2, make air under the certain flow rate effect in air distribution plate 18 access to plant containers.Under the mobilization that air makes progress, circulation flow pattern in the gas-liquid-solid three-phase mixture in the container forms between space, dividing plate about 7 two Room; When the gas-liquid-solid three-phase mix flow state in the container reaches when stablizing; Open suction pump 1; Under certain transmembrane pressure and cross-flow velocity; Catalyzer and fine pollutent are trapped in the container by inorganic film tube in the waste water, and the infiltration clear liquid sees through the tube side space that the mineral membrane tube wall gets into film, flow out through flange 9 again; Then open valve 2-3, according to infiltration clear liquid discharge by-pass valve control 2-3 aperture, a little higher than dividing plate 7 top end faces of the liquid level in the holdout device container, and be lower than the top end face of apparatus container 19, to realize the continuous operation of waste water.
Backwash process: when permeation flux reduces very obviously, must clean and regenerate mineral membrane, to recover the transparent performance of membrane element.Open wash water valve 20 earlier, close ball valve 2-1 again, then regulate T-valve 21, make the pipeline connection between air compressor machine 17 and the flange 9, T-valve 21 another circulating directions end.After treating that solution has been arranged in the container, close wash water valve 20, utilize water inlet pipe 10 in container, to inject clear water, treat that water level stops water filling when concordant with dividing plate 7 top end faces.Open ultrasonic cleaning machine 6 again, utilize ultrasonic cleaning mineral membrane and quartz glass tube earlier, about 10 minutes of time length.Then open air compressor machine 17, regulated valve 2-2 aperture, air gets into mineral membrane tube side spaces through flange 9 and realizes back flushinges under suitable pressure, and the time length was controlled at about 5 seconds, opens wash water valve 20 at last washings is discharged.
Claims (2)
1. the ultrasonic synergism light-catalyzed sull of circulation type is handled waste water plant in one kind; Comprise apparatus container (19), ultra-sonic generator (6), suction pump (1) and air compressor machine (17); It is characterized in that apparatus container (19) is a cuboid, its inwall is provided with ultrasonic energy parallel operation (8); Ultrasonic energy parallel operation (8) links to each other with ultra-sonic generator (6), and it is 10 that apparatus container (19) bottom is provided with obliquity
oSwash plate (22); Two spaces about apparatus container (19) is divided into by dividing plate (7), dividing plate (7) left space is provided with the ultraviolet lamp tube (13) more than, and ultraviolet lamp tube (13) is enclosed in the quartz glass tube (14); Be provided with gas distribution grid (18) below the quartz glass tube (14); Gas distribution grid (18) links to each other with air compressor machine (17), is provided with water inlet pipe (10) near quartz glass tube (14), and water inlet pipe (10) lower port is concordant with quartz glass tube (14) lower surface; Dividing plate (7) left space top is provided with mist baffle plate (11) and riser (12), and the bottom is provided with wash water valve (20); Dividing plate (7) right space is equipped with one and above tubular type inorganic film tube (5), and tubular type inorganic film tube (5) lower port is provided with silicone rubber O-ring, pressing plate (4) and end socket (3) and holds envelope, and pressing plate (4) is provided with perforation (4-1); Tubular type inorganic film tube (5) port is provided with silicone rubber O-ring and capping plate (23) carries out side seal, and links to each other with flange (9), and the flange outlet links to each other with air compressor machine (17) with suction pump (1) respectively.
2. the ultrasonic synergism light-catalyzed sull of a kind of interior circulation type according to claim 1 is handled waste water plant, it is characterized in that the top of said dividing plate (7) and bottom face are respectively apart from container top and bottom 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120502426 CN202576035U (en) | 2011-12-06 | 2011-12-06 | Wastewater treatment device of internal circular flow-type ultrasound coordinating photocatalysis oxidation film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120502426 CN202576035U (en) | 2011-12-06 | 2011-12-06 | Wastewater treatment device of internal circular flow-type ultrasound coordinating photocatalysis oxidation film |
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| Publication Number | Publication Date |
|---|---|
| CN202576035U true CN202576035U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201120502426 Expired - Fee Related CN202576035U (en) | 2011-12-06 | 2011-12-06 | Wastewater treatment device of internal circular flow-type ultrasound coordinating photocatalysis oxidation film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232090A (en) * | 2013-05-07 | 2013-08-07 | 广东工业大学 | Ultrasound-assisted photocatalysis water processing device |
| CN106512888A (en) * | 2016-11-29 | 2017-03-22 | 内蒙古师范大学 | Multi-baffle counterflow photo-catalytic reaction device |
-
2011
- 2011-12-06 CN CN 201120502426 patent/CN202576035U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232090A (en) * | 2013-05-07 | 2013-08-07 | 广东工业大学 | Ultrasound-assisted photocatalysis water processing device |
| CN103232090B (en) * | 2013-05-07 | 2015-08-12 | 广东工业大学 | A kind of device of Ultrasound-assisted photocatalysis water treatment |
| CN106512888A (en) * | 2016-11-29 | 2017-03-22 | 内蒙古师范大学 | Multi-baffle counterflow photo-catalytic reaction device |
| CN106512888B (en) * | 2016-11-29 | 2018-07-24 | 内蒙古师范大学 | A kind of more baffle adverse current photocatalytic reaction devices |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20131206 |