CN111689632A - Photocatalytic oxidation device for printing and dyeing wastewater treatment - Google Patents
Photocatalytic oxidation device for printing and dyeing wastewater treatment Download PDFInfo
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- CN111689632A CN111689632A CN202010750285.6A CN202010750285A CN111689632A CN 111689632 A CN111689632 A CN 111689632A CN 202010750285 A CN202010750285 A CN 202010750285A CN 111689632 A CN111689632 A CN 111689632A
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- photocatalytic oxidation
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 56
- 230000003647 oxidation Effects 0.000 title claims abstract description 55
- 238000004043 dyeing Methods 0.000 title claims abstract description 29
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 29
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 76
- 239000002351 wastewater Substances 0.000 claims abstract description 40
- 230000003197 catalytic effect Effects 0.000 claims abstract description 38
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000005273 aeration Methods 0.000 claims abstract description 10
- 238000004061 bleaching Methods 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000011490 mineral wool Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 244000309464 bull Species 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 8
- 239000007844 bleaching agent Substances 0.000 description 6
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000007146 photocatalysis Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- 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
- C02F2201/3227—Units with two or more lamps
-
- 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
-
- 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
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
-
- 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
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/784—Diffusers or nozzles for ozonation
-
- 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
Abstract
The invention belongs to the technical field of wastewater treatment, in particular to a photocatalytic oxidation device for printing and dyeing wastewater treatment, and provides a scheme for solving the problem that the chromaticity of wastewater affects the catalytic effect. According to the ozone decoloring device, the ozone method generator, the aeration disc, the first stirring rod, the air distribution pipe, the inclined rod, the elastic rope and the stirring frame are arranged, firstly, the dye can obtain a good decoloring effect through an ozone oxidation method, the air distribution pipe and the first stirring rod are both of a V-shaped structure, the first stirring rod can comprehensively and uniformly mix ozone and wastewater at the first time after the ozone is sprayed out by the aeration disc, and the decoloring effect of the ozone can be effectively improved.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a photocatalytic oxidation device for printing and dyeing wastewater treatment.
Background
The printing and dyeing wastewater is wastewater discharged by cotton, hemp, chemical fiber and blended products thereof, silk-based printing and dyeing, wool-weaving dyeing and finishing, silk factories and the like. The types and the processing techniques of the fibers are different, and the water quantity and the water quality of the printing and dyeing wastewater are also different.
Through retrieval, the patent with the Chinese patent authorization number of CN208814710U discloses a photocatalytic oxidation sewage treatment device, which comprises a pipeline mixer and a photocatalytic oxidation treatment tank which are sequentially arranged, wherein the pipeline mixer is a pipeline type sewage treatment device.
The above patent also has the following disadvantages: the problem of transmittance needs to be solved to photocatalysis because some suspended solids in the printing and dyeing waste water and darker colourity all are unfavorable for the seeing through of light, can influence the photocatalysis effect, but above-mentioned device does not carry out bleaching operation to waste water earlier, and the colourity that contains in the waste water can reduce the photocatalysis effect.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a photocatalytic oxidation device for printing and dyeing wastewater treatment.
The invention provides a photocatalytic oxidation device for treating printing and dyeing wastewater, which comprises a bottom plate, wherein an ozone generator and a bleaching box are arranged on the outer wall of the top of the bottom plate, an air distribution pipe is arranged on the inner wall of the bleaching box, aeration discs distributed at equal intervals are arranged on the outer wall of the air distribution pipe, the same first guide pipe is arranged on the inner wall of one side of the air distribution pipe and the output end of the ozone generator, the air distribution pipe is of a V-shaped structure, a first motor is arranged on the outer wall of the top of the bleaching box, the output shaft of the first motor is connected with first rotating rods through a coupling, first stirring rods are arranged on two sides of the outer wall of each first rotating rod, first stirring blocks distributed at equal intervals are arranged on two sides of the outer wall of each first stirring rod, each first stirring rod is of a V-shaped structure, inclined rods are arranged on two sides of the outer wall of each first rotating rod, the outer wall of one side of the elastic rope is tied with a stirring frame.
Preferably, the stirring frame takes rock wool purification plates as materials.
Preferably, the top outer wall of bottom plate is provided with catalytic oxidation jar, and catalytic oxidation jar's inner wall is provided with the light-passing board, and the outer wall both sides of light-passing board are provided with the short ultraviolet lamp of crisscross arrangement each other.
Preferably, the outer wall of one side of bleaching case is provided with the water pump, and the input of water pump and the inner wall of one side of bleaching case are provided with same third pipe, and the output of water pump and the inner wall of one side of catalytic oxidation jar are provided with same second pipe.
Preferably, the top outer wall of the catalytic oxidation tank is provided with a convex lens.
Preferably, one side outer wall of catalytic oxidation jar is provided with catalyst feeding jar, and one side outer wall of catalyst feeding jar is provided with the motor, and the output shaft of motor has the crushing roller through the coupling joint.
Preferably, one side outer wall of catalytic oxidation jar is provided with the second motor, and the output shaft of second motor has the second bull stick through the coupling joint, and the both sides of second bull stick all are provided with the pole setting, and the other end of pole setting is provided with the second puddler, and the second puddler is isosceles trapezoid structure.
Preferably, the outer wall of one side of second puddler is provided with broken line board, and broken line board is convex broken line structure.
Preferably, the outer wall of second puddler is provided with the equidistant second stirring piece that distributes, and the outer wall of second stirring piece is provided with the stirring ring, and the second stirring piece is whole to present horn type structure.
Preferably, the catalytic oxidation tank further comprises an adhesive layer arranged on the inner wall of one side of the catalytic oxidation tank, and an aluminum foil layer is arranged on the outer wall of one side of the adhesive layer.
The beneficial effects of the invention are as follows:
1. the wastewater treatment device with good catalytic effect is characterized in that an ozone method generator, an aeration disc, a first stirring rod, a gas distribution pipe, an inclined rod, an elastic rope and a stirring frame are arranged, firstly, a dye can obtain good decolorizing effect by an ozone oxidation method, the gas distribution pipe and the first stirring rod are both of V-shaped structures, the first stirring rod can comprehensively and uniformly mix ozone and wastewater at the first time after the ozone is sprayed out by the aeration disc, the decolorizing effect of the ozone can be effectively improved, secondly, a bleaching agent can be added into a bleaching box, when the elastic rope and the stirring frame rotate, the stirring frame can stretch back and forth due to the elasticity of the elastic rope, the stirring path of the stirring frame is enlarged, the stirring ranges of the stirring frame can be different by different rotating speeds, the mixing effect of the wastewater and the bleaching agent is further improved, and finally, the stirring frame takes a rock wool purification plate as a material, rock wool purifying plate can carry out certain purification to waste water, can effectively improve the bleaching effect of waste water from a plurality of aspects.
2. This effluent treatment plant that catalytic effect is good, through being provided with convex lens, catalyst feeding jar, the crushing roller, light-passing board and short ultraviolet lamp, when carrying out the photocatalysis to waste water, the short wave ultraviolet ray is better than the catalytic effect of long wave, convex lens can advance catalytic oxidation jar inside with light absorption, improve catalytic effect, the ultraviolet ray can be comprehensive to waste water to the short ultraviolet lamp of crisscross arrangement each other, get into catalyst feeding jar with nanoparticle's catalyst, utilize the crushing roller to carry out broken back, from two aspects of ultraviolet light and catalyst the catalytic effect of device has been improved.
3. The wastewater treatment device with good catalytic effect is provided with a second motor, a second rotating rod, a vertical rod, a second stirring rod, a line folding plate and a stirring ring, hydrogen peroxide, titanium dioxide and the like are added into a catalytic oxidation tank, strong photocatalytic oxidation reaction can be carried out under the action of ultraviolet light, a second motor is started, the second motor drives a second stirring rod to rotate, can make the wastewater, the hydrogen peroxide and the titanium dioxide fully react, the broken line plate is of a circular arc-shaped broken line structure, the second stirring block is integrally of a horn-shaped structure, different types of vortexes can be generated in the stirring process, the stirring effect is improved, the horn-shaped structure can play a role in amplifying the vortexes, in addition, the adhesive layer and the aluminum foil layer are arranged, the aluminum foil layer can reflect ultraviolet rays, so that the ultraviolet rays are always reflected in the catalytic oxidation tank, and the catalytic effect of the ultraviolet rays on waste water can be effectively improved.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view showing the construction of a photocatalytic oxidation apparatus for use in the treatment of printing and dyeing wastewater according to example 1 of the present invention;
FIG. 2 is a schematic view of part A of FIG. 1;
FIG. 3 is a schematic view showing the structure of an elastic cord of a photocatalytic oxidation apparatus for treating printing and dyeing wastewater according to example 1 of the present invention;
FIG. 4 is a schematic structural view of a baffle plate of a photocatalytic oxidation apparatus for treating printing and dyeing wastewater according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the structure of an aluminum foil layer of a photocatalytic oxidation apparatus for treating printing and dyeing wastewater according to example 2 of the present invention.
In the figure: the device comprises a base plate 1, an ozone generator 2, an air distribution pipe 3, a first conduit 4, an aeration disc 5, a first stirring rod 6, a first stirring block 7, a water pump 8, a first motor 9, a first rotating rod 10, a second conduit 11, a catalytic oxidation tank 12, a convex lens 13, a short ultraviolet lamp 14, a crushing roller 15, a catalyst feeding tank 16, a second rotating rod 17, a second motor 18, a transparent plate 19, a bleaching tank 20, an elastic rope 21, an inclined rod 22, a stirring frame 23, a stirring ring 24, a second stirring block 25, a second stirring rod 26, a line folding plate 27, a vertical rod 28, a bonding layer 29 and an aluminum foil layer 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-4, a photocatalytic oxidation device for printing and dyeing wastewater treatment comprises a base plate 1, wherein an ozone generator 2 and a bleaching box 20 are fixed on the outer wall of the top of the base plate 1 through screws, a gas distribution pipe 3 is arranged on the inner wall of the bleaching box 20, aeration discs 5 distributed at equal intervals are arranged on the outer wall of the gas distribution pipe 3, the inner wall of one side of the gas distribution pipe 3 and the output end of the ozone generator 2 are connected with a same first conduit 4 through flanges, the gas distribution pipe 3 is of a V-shaped structure, a first motor 9 is fixed on the outer wall of the top of the bleaching box 20 through screws, the output shaft of the first motor 9 is connected with a first rotating rod 10 through a coupler, first stirring rods 6 are welded on two sides of the outer wall of the first rotating rod 10, first stirring blocks 7 distributed at equal intervals are welded on two sides of the outer wall of the first stirring rod 6, the first stirring rod 6 is of a V-, and the outer wall of one side of the inclined rod 22 is provided with elastic ropes 21 which are distributed at equal intervals, and the outer wall of one side of the elastic ropes 21 is tied with a stirring frame 23.
In the invention, the stirring frame 23 is made of rock wool purification plates, the catalytic oxidation tank 12 is fixed on the outer wall of the top of the bottom plate 1 through screws, the inner wall of the catalytic oxidation tank 12 is welded with the light-transmitting plates 19, and the short ultraviolet lamps 14 which are arranged in a staggered mode are arranged on two sides of the outer wall of each light-transmitting plate 19.
In the invention, the water pump 8 is fixed on the outer wall of one side of the bleaching box 20 through screws, the input end of the water pump 8 and the inner wall of one side of the bleaching box 20 are connected with the same third guide pipe through flanges, the output end of the water pump 8 and the inner wall of one side of the catalytic oxidation tank 12 are connected with the same second guide pipe 11 through flanges, and the outer wall of the top of the catalytic oxidation tank 12 is provided with the convex lens 13.
In the invention, a catalyst feeding tank 16 is fixed on the outer wall of one side of a catalytic oxidation tank 12 through screws, a motor is fixed on the outer wall of one side of the catalyst feeding tank 16 through screws, and an output shaft of the motor is connected with a crushing roller 15 through a coupling.
In the invention, a second motor 18 is fixed on the outer wall of one side of the catalytic oxidation tank 12 through a screw, an output shaft of the second motor 18 is connected with a second rotating rod 17 through a coupler, two sides of the second rotating rod 17 are both welded with upright rods 28, the other end of each upright rod is fixed with a second stirring rod 26 through a screw, and the second stirring rods 26 are in an isosceles trapezoid structure.
In the invention, the outer wall of one side of the second stirring rod 26 is welded with the broken line plate 27, and the broken line plate 27 is in a circular arc-shaped broken line structure.
In the invention, the outer wall of the second stirring rod 26 is welded with the second stirring blocks 25 which are distributed equidistantly, the outer wall of the second stirring block 25 is provided with the stirring ring 24, and the second stirring block 25 is integrally in a horn-shaped structure.
The equipment is connected with a power supply, firstly, printing and dyeing wastewater and a bleaching agent are respectively added into a bleaching box 20, an ozone generator 2 and a first motor 9 are started, the ozone generator 2 introduces ozone into the bleaching box through a gas distribution pipe 3 and an aeration disc 5, the wastewater and the ozone are fully mixed by a first stirring rod 6 and a first stirring block 7, the wastewater and the bleaching agent are fully mixed by an elastic rope 21 and a stirring frame 23, a water pump 8 is started, the bleached wastewater is added into a catalytic oxidation tank 12, a catalyst is added into a catalyst feeding tank 16 and is crushed by a crushing tank 15, a short ultraviolet lamp 14 and a second motor 18 are started, and the second motor 18 drives a stirring ring 24 and a second stirring block 25 to fully stir.
Example 2
Referring to fig. 5, the photocatalytic oxidation apparatus for treating printing and dyeing wastewater of the present embodiment further includes an adhesive layer 29 disposed on an inner wall of the catalytic oxidation tank 12, and an aluminum foil layer 30 disposed on an outer wall of the adhesive layer 29, as compared to embodiment 1.
The equipment is connected with a power supply, firstly, printing and dyeing wastewater and a bleaching agent are respectively added into a bleaching box 20, an ozone generator 2 and a first motor 9 are started, the ozone generator 2 introduces ozone into the bleaching box through a gas distribution pipe 3 and an aeration disc 5, the wastewater and the ozone are fully mixed by a first stirring rod 6 and a first stirring block 7, the wastewater and the bleaching agent are fully mixed by an elastic rope 21 and a stirring frame 23, a water pump 8 is started, the bleached wastewater is added into a catalytic oxidation tank 12, a catalyst is added into a catalyst feeding tank 16 and is crushed by a crushing tank 15, a short ultraviolet lamp 14 and a second motor 18 are started, the second motor 18 drives a stirring ring 24 and a second stirring block 25 to fully stir, an aluminum foil layer 30 can play a role in reflecting ultraviolet rays, the ultraviolet rays are always reflected in the catalytic oxidation tank 12, and the catalytic effect of the ultraviolet rays on the wastewater can be effectively improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A photocatalytic oxidation device for printing and dyeing wastewater treatment comprises a bottom plate (1) and is characterized in that an ozone generator (2) and a bleaching box (20) are arranged on the outer wall of the top of the bottom plate (1), an air distribution pipe (3) is arranged on the inner wall of the bleaching box (20), aeration discs (5) distributed equidistantly are arranged on the outer wall of the air distribution pipe (3), the same first guide pipe (4) is arranged on the inner wall of one side of the air distribution pipe (3) and the output end of the ozone generator (2), the air distribution pipe (3) is of a V-shaped structure, a first motor (9) is arranged on the outer wall of the top of the bleaching box (20), an output shaft of the first motor (9) is connected with a first rotating rod (10) through a coupler, first stirring rods (6) are arranged on two sides of the outer wall of the first rotating rod (10), and first stirring blocks (7) distributed equidistantly are arranged on two sides of the outer wall of the first stirring rod, first puddler (6) are the V-arrangement structure, the outer wall both sides of first bull stick (10) all are provided with slope pole (22), and one side outer wall of slope pole (22) is provided with equidistant elastic rope (21) that distributes, and one side outer wall system of elastic rope (21) has connect stirring frame (23).
2. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 1, characterized in that the stirring frame (23) is made of rock wool purification plates.
3. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 2, characterized in that the catalytic oxidation tank (12) is arranged on the outer wall of the top of the bottom plate (1), the inner wall of the catalytic oxidation tank (12) is provided with a light-transmitting plate (19), and the short ultraviolet lamps (14) are arranged on two sides of the outer wall of the light-transmitting plate (19) in a staggered manner.
4. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 3, characterized in that the water pump (8) is arranged on the outer wall of one side of the bleaching tank (20), the input end of the water pump (8) and the inner wall of one side of the bleaching tank (20) are provided with the same third conduit, and the output end of the water pump (8) and the inner wall of one side of the catalytic oxidation tank (12) are provided with the same second conduit (11).
5. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 4, characterized in that the top outer wall of the catalytic oxidation tank (12) is provided with a convex lens (13).
6. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 3, characterized in that a catalyst feeding tank (16) is arranged on one side of the outer wall of the catalytic oxidation tank (12), a motor is arranged on one side of the outer wall of the catalyst feeding tank (16), and an output shaft of the motor is connected with the crushing roller (15) through a coupling.
7. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 6, characterized in that a second motor (18) is arranged on the outer wall of one side of the catalytic oxidation tank (12), the output shaft of the second motor (18) is connected with a second rotating rod (17) through a coupling, vertical rods (28) are arranged on two sides of the second rotating rod (17), a second stirring rod (26) is arranged at the other end of each vertical rod, and the second stirring rods (26) are in an isosceles trapezoid structure.
8. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 7, characterized in that the second stirring rod (26) is provided with a fold line plate (27) on one side of the outer wall, and the fold line plate (27) has a circular arc-shaped fold line structure.
9. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 8, characterized in that the outer wall of the second stirring rod (26) is provided with second stirring blocks (25) which are distributed equidistantly, the outer wall of the second stirring block (25) is provided with a stirring ring (24), and the second stirring block (25) is in a horn-shaped structure as a whole.
10. The photocatalytic oxidation device for treating printing and dyeing wastewater according to claim 3, further comprising an adhesive layer (29) provided on an inner wall of the catalytic oxidation tank (12), wherein an aluminum foil layer (30) is provided on an outer wall of the adhesive layer (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010750285.6A CN111689632A (en) | 2020-07-30 | 2020-07-30 | Photocatalytic oxidation device for printing and dyeing wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010750285.6A CN111689632A (en) | 2020-07-30 | 2020-07-30 | Photocatalytic oxidation device for printing and dyeing wastewater treatment |
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| CN111689632A true CN111689632A (en) | 2020-09-22 |
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| CN202010750285.6A Withdrawn CN111689632A (en) | 2020-07-30 | 2020-07-30 | Photocatalytic oxidation device for printing and dyeing wastewater treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112978982A (en) * | 2021-02-04 | 2021-06-18 | 杨青美 | Biological medicine effluent disposal system |
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