CN214654234U - Laboratory water treatment equipment applying copper-nitrogen double-doped titanium dioxide photocatalytic material - Google Patents
Laboratory water treatment equipment applying copper-nitrogen double-doped titanium dioxide photocatalytic material Download PDFInfo
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- CN214654234U CN214654234U CN202122461546.5U CN202122461546U CN214654234U CN 214654234 U CN214654234 U CN 214654234U CN 202122461546 U CN202122461546 U CN 202122461546U CN 214654234 U CN214654234 U CN 214654234U
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Abstract
A laboratory water treatment device applying a copper-nitrogen double-doped titanium dioxide photocatalytic material comprises a wastewater collecting cylinder, an electrolysis device, an ozone generation device and a photocatalytic reaction device; the photocatalytic reaction device comprises a box body and an ultraviolet light source arranged on the box body, a photocatalytic plate is obliquely arranged in the box body, the photocatalytic plate is provided with a plurality of aeration holes which are arranged in an array manner, and a copper-nitrogen double-doped titanium dioxide photocatalytic layer covers the periphery of the aeration holes on the upper surface of the photocatalytic plate; the utility model discloses an above-mentioned laboratory waste water treatment equipment produces strong oxide superoxide radical and hydroxyl free radical with ultraviolet lamp and the copper nitrogen double doping titanium dioxide photocatalysis layer interact in the ozone that electrolytic device produced and the photocatalytic reaction device, the ozone that ozone generating device produced, makes the organic pollutant fast degradation in the waste water, has improved the treatment effeciency to organic pollutant in the waste water.
Description
Technical Field
The utility model relates to a waste water treatment technical field specifically is an use two laboratory water treatment facilities that dope titanium dioxide photocatalysis materials of copper nitrogen.
Background
The wastewater generated in the laboratory contains a plurality of toxic and harmful organic pollutants, and if the toxic and harmful organic pollutants are directly discharged without being treated, the environment can be polluted, the treatment capability of the traditional treatment technology on the organic pollutants difficult to degrade is poor, and secondary pollution is easily caused, so that an ideal technology is urgently needed for treating the organic wastewater generated in the laboratory.
The above background disclosure is only provided to aid in understanding the concepts and technical solutions of the present invention, and it does not necessarily belong to the prior art of the present patent application, and it should not be used to assess the novelty and inventive step of the present application without explicit evidence that the above content has been disclosed at the filing date of the present patent application.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a laboratory water treatment facilities who uses two doping titanium dioxide photocatalysis materials of copper nitrogen for solving above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a laboratory water treatment device applying a copper-nitrogen double-doped titanium dioxide photocatalytic material comprises a wastewater collecting cylinder, an electrolysis device, an ozone generation device and a photocatalytic reaction device;
the electrolysis device is connected with the wastewater collecting barrel through a pipeline and comprises a barrel body, a fan connected with the barrel body, a power supply, and an anode electrode and a cathode electrode which are connected with the power supply through leads, wherein the anode electrode and the cathode electrode extend into the barrel body; the ozone generating device comprises an oxygen tank, an ozone generator, an ozone concentration detector and an air pump which are sequentially connected through a pipeline; the photocatalytic reaction device comprises a box body and an ultraviolet light source arranged on the box body, the cylinder body is connected and communicated with the box body through a water pump and a water outlet pipe, and the box body is connected with an air pump;
the top of the box body is provided with an opening and comprises a bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate which are arranged perpendicular to the bottom plate; the top of the front side plate is provided with a water inlet, one end of the water outlet pipe is connected with the water pump, the other end of the water outlet pipe is connected with the water inlet, the bottom of the rear side plate is provided with a water outlet, a photocatalytic plate is obliquely arranged above the bottom plate, each side edge of the photocatalytic plate is correspondingly connected with the front side plate, the rear side plate, the left side plate and the right side plate, the photocatalytic plate slowly inclines downwards from one end connected with the front side plate to one end connected with the rear side plate, a gas cavity is formed between the photocatalytic plate and the bottom plate, the bottom of the front side plate is provided with a gas inlet communicated with the gas cavity, the outlet of the air pump is connected with the gas inlet, a plurality of first baffles and a plurality of second baffles are arranged in the box body, and the first baffles and the second baffles are equidistantly spaced and are mutually staggered in the front-back direction; one end of each first baffle is connected with the left side plate, and the other end of each first baffle is spaced from the right side plate; one end of each second baffle is connected with the right side plate, the other end of each second baffle is spaced from the left side plate, the plurality of first baffles, the plurality of second baffles and the photocatalytic plate divide the inner space of the box body to form a plurality of wastewater flow channels, the plurality of wastewater flow channels are connected in a winding manner, a plurality of aeration holes which are arranged in an array manner are arranged on the wastewater flow channel above the photocatalytic plate, and the aeration holes are communicated with the wastewater flow channels and the gas cavity;
the upper surface of the photocatalytic plate is covered with a layer of copper-nitrogen double-doped titanium dioxide photocatalytic layer around the aeration hole, the copper-nitrogen double-doped titanium dioxide photocatalytic layer is spaced from the aeration hole, and the exposed upper surface of the photocatalytic plate is arranged between the edge of the aeration hole and the copper-nitrogen double-doped titanium dioxide photocatalytic layer.
Preferably, a cellulose filter screen is arranged in the wastewater collection cylinder close to the opening and used for filtering suspended matters in the laboratory wastewater.
Preferably, the anode electrode is a ruthenium iridium titanium plate, the cathode electrode is a stainless steel SS304 plate, and the photocatalytic plate is a polyethylene plate.
Preferably, the ultraviolet light source includes a pedestal, locates a plurality of ultraviolet lamps of pedestal bottom and locates a solar panel at pedestal top, and the opening part at box top is located to the pedestal cover, and these a plurality of ultraviolet lamps are connected with the solar panel electricity, and these a plurality of ultraviolet lamps and each waste water runner one-to-one.
Preferably, the copper-nitrogen double-doped titanium dioxide photocatalytic layer is copper-nitrogen double-doped titanium dioxide formed on the upper surface of the photocatalytic plate.
The utility model discloses an above-mentioned laboratory waste water treatment equipment produces strong oxide superoxide radical and hydroxyl free radical with ultraviolet lamp and the copper nitrogen double doping titanium dioxide photocatalysis layer interact in the ozone that electrolytic device produced and the photocatalytic reaction device, the ozone that ozone generating device produced, makes the organic pollutant fast degradation in the waste water, has improved the treatment effeciency to organic pollutant in the waste water.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic structural diagram of a laboratory water treatment apparatus using a copper-nitrogen double-doped titanium dioxide photocatalytic material according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the photocatalytic reaction apparatus of FIG. 1;
FIG. 3 is a top view of the case of FIG. 2;
FIG. 4 is a schematic view of a copper nitrogen double doped titanium dioxide photocatalytic layer on the photocatalytic plate of FIG. 3;
in the figure: the device comprises a box body 11, a wastewater flow channel 110, a bottom plate 111, a front side plate 112, a water inlet 1121, an air inlet 1122, a rear side plate 113, a water outlet 1131, a left side plate 114, a right side plate 115, a photocatalytic plate 116, a gas cavity 1161, an aeration hole 1162, a copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163, a first baffle 117, a second baffle 118, an ultraviolet light source 13, a seat body 131, an ultraviolet light 132, a solar panel 133, a wastewater collection cylinder 2, a cellulose filter screen 21, a water pump 22, a water outlet pipe 23, an oxygen tank 31, an ozone generator 32, an ozone concentration detector 33, an air extraction pump 34, a cylinder body 40, a power supply 41, an anode 42, a cathode 43 and a fan 44.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1 to 4, a laboratory water treatment device using a copper-nitrogen double-doped titanium dioxide photocatalytic material according to a preferred embodiment of the present invention includes a wastewater collection cylinder 2, an electrolysis device, an ozone generation device, and a photocatalytic reaction device.
Waste water collecting cylinder 2 is used for collecting laboratory waste water, and waste water collecting cylinder 2 is inside to be equipped with cellulose filter screen 21 near the opening part for filter the suspended solid in the laboratory waste water.
The electrolysis device is connected with the wastewater collecting barrel 2 through a pipeline and comprises a barrel 40, a fan 44 connected with the barrel 40, a power supply 41, an anode 42 and a cathode 43 which are connected with the power supply 41 through leads, wherein the anode 42 is a ruthenium iridium titanium plate, the cathode 43 is a stainless steel SS304 plate, the anode 42 and the cathode 43 extend into the barrel 40, the anode 42 and the cathode 43 are electrified to kill germs in wastewater, the fan 44 blows air into the barrel 40 when working, the cathode 43 converts oxygen in the air into hydrogen peroxide, the hydrogen peroxide is a strong oxidant, and the water solution of the hydrogen peroxide is hydrogen peroxide.
The photocatalytic reaction device comprises a box body 11 and an ultraviolet light source 13 arranged on the box body 11, and the cylinder body 40 is connected and communicated with the box body 11 through a water pump 22 and a water outlet pipe 23.
The ozone generating device comprises an oxygen tank 31, an ozone generator 32, an ozone concentration detector 33 and an air pump 34 which are connected in sequence through pipelines, wherein the air pump 34 is connected with the box body 11. The valve on the pipeline is opened, oxygen in the oxygen tank 31 enters the ozone generator 32, the ozone generator 32 takes the oxygen as a raw material to prepare ozone, the ozone concentration detector 33 is used for detecting the concentration of the prepared ozone, and the air suction pump 34 is used for pumping the ozone into the box body 11.
The top of the box 11 is open and comprises a bottom plate 111, a front side plate 112, a rear side plate 113, a left side plate 114 and a right side plate 115 which are perpendicular to the bottom plate 111; a water inlet 1121 is formed in the top of the front side plate 112, one end of the water outlet pipe 23 is connected with the water pump 22, the other end of the water outlet pipe 23 is connected to the water inlet 1121, and wastewater in the barrel 40 is pumped out by the water pump 22, flows out of the water outlet pipe 23 and enters the box body 11 from the water inlet 1121; the bottom of the rear side plate 113 is provided with a water outlet 1131, and the wastewater treated by photocatalysis is discharged from the water outlet 1131. A photocatalytic plate 116 is obliquely disposed above the bottom plate 111, and each side of the photocatalytic plate 116 is correspondingly connected to the front side plate 112, the rear side plate 113, the left side plate 114 and the right side plate 115, the photocatalytic plate 116 is slowly inclined downward from the end connected to the front side plate 112 to the end connected to the rear side plate 113, a gas chamber 1161 is formed between the photocatalytic plate 116 and the bottom plate 111, the bottom of the front side plate 112 is provided with a gas inlet 1122 communicated with the gas chamber 1161, and the outlet of the air pump 34 is connected to the gas inlet 1122. The first baffles 117 and the second baffles 118 are arranged in the box body 11, and the first baffles 117 and the second baffles 118 are spaced at equal intervals and are staggered in the front-back direction; one end of each first baffle plate 117 is connected with the left side plate 114, and the other end is spaced from the right side plate 115; each of the second baffles 118 has one end connected to the right side plate 115 and the other end spaced from the left side plate 114, so that the plurality of first baffles 117, the plurality of second baffles 118 and the photocatalytic plate 116 partition the inner space of the tank 11 to form a plurality of waste water flow paths 110, and the plurality of waste water flow paths 110 are connected in a meandering manner, thereby increasing the flow path of waste water in the tank 11. The wastewater channel 110 above the photocatalytic plate 116 is provided with a plurality of aeration holes 1162 arranged in an array, and the aeration holes 1162 are communicated with the wastewater channel 110 and the gas cavity 1161. Understandably, the aeration hole 1162 is small enough, or a one-way valve is disposed at the aeration hole 1162, so that air can only enter the tank 11 through the aeration hole 1162 in one way, and waste water in the tank 11 cannot enter the gas chamber 1161 through the aeration hole 1162.
The uv light source 13 includes a base 131, a plurality of uv lamps 132 disposed at the bottom of the base 131, and a solar panel 133 disposed at the top of the base 131. The base 131 covers the opening at the top of the tank 11, the uv lamps 132 are electrically connected to the solar panel 133, the solar panel 133 supplies power to the uv lamps 132, the uv lamps 132 are in one-to-one correspondence with the waste water channels 110, and the uv lights emitted from the uv lamps 132 face the waste water in the waste water channels 110.
The upper surface of the photocatalytic plate 116 is covered with a layer of copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163 around the aeration hole 1162, specifically, the photocatalytic plate 116 is a polyethylene plate, the copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163 is spaced apart from the aeration hole 1162, an exposed upper surface (polyethylene plate) of the photocatalytic plate 116 is located between the edge of the aeration hole 1162 and the copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163, the copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163 is formed by adhering copper-nitrogen double-doped titanium dioxide to the upper surface of the photocatalytic plate 116 through waterproof glue or in other ways, the copper-nitrogen double-doped titanium dioxide is a photocatalytic material formed by modifying titanium dioxide, is white powder and is insoluble in water, the copper-nitrogen double-doped titanium dioxide has the characteristics of fast degradation and no secondary pollution to organic pollutants which are difficult to degrade in wastewater, the performance of the copper-nitrogen double-doped titanium dioxide and the preparation method thereof are described in the patent document with chinese patent number CN201110144191.5, and will not be described in detail.
The utility model discloses during the use, pending laboratory waste water in the waste water collecting cylinder 2 flows into barrel 40 earlier, electrolytic device's positive electrode 42 and negative electrode 43 circular telegram exterminate the germ in the waste water, negative electrode 43 turns into hydrogen peroxide with oxygen, start aspiration pump 34 simultaneously with ozone suction box 32 preparation in the gas chamber 1161 of box 11, open ultraviolet lamp 132, utilize water pump 22 to pump the waste water in barrel 40 from outlet pipe 23 into box 11, waste water flows along waste water runner 110 between first baffle 117 and the second baffle 118 and the upper surface of photocatalysis board 116 downward sloping; ozone is blown into the box body 11 along the aeration holes 1162 on the photocatalytic plate 116, the wastewater in the wastewater channel 110 is bubbled, and the upper surface of the photocatalytic plate 116 between the edge of the aeration hole 1162 and the copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163 is hydrophobic to form a bubble layer; ozone can oxidize and decompose organic pollutants in the wastewater, meanwhile, ultraviolet light emitted by the ultraviolet lamp 132 irradiates the copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163 and the ozone on the photocatalytic plate 116, the ozone is unstable, a part of ozone is irradiated and decomposed by the ultraviolet lamp 132 to generate oxygen, the oxygen is combined with electrons to generate a strong-oxide superoxide radical, the other part of ozone reacts with hydrogen peroxide in the wastewater to generate a strong-oxide hydroxyl radical, the copper-nitrogen double-doped titanium dioxide on the upper surface of the photocatalytic plate 116 generates electron transition, electron hole pairs on the surface of the copper-nitrogen double-doped titanium dioxide photocatalytic layer 1163 are increased, the production of superoxide radical and hydroxyl radical is promoted, the recombination of electrons and holes is inhibited, the superoxide radical and the hydroxyl radical degrade organic pollutants in the wastewater, and under the catalysis effect of the copper-nitrogen double-doped titanium dioxide on the photocatalytic plate 116, organic pollutants in the wastewater are rapidly degraded through photocatalytic oxidation reaction, so that the degradation efficiency is improved, and the wastewater after photocatalytic treatment is discharged from the water outlet 1131.
The utility model discloses an above-mentioned laboratory waste water treatment equipment produces strong oxide hyperoxyradical and hydroxyl radical with the ultraviolet lamp 132 and the copper nitrogen double doping titanium dioxide photocatalysis layer 1163 interact in the ozone that electrolytic device produced, ozone generating device and the photocatalytic reaction device, makes the organic pollutant fast degradation in the waste water, has improved the treatment effeciency to organic pollutant in the waste water.
The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides an use two laboratory water treatment facilities that dope titanium dioxide photocatalysis material of copper nitrogen which characterized in that: comprises a wastewater collecting cylinder, an electrolysis device, an ozone generating device and a photocatalytic reaction device;
the electrolysis device is connected with the wastewater collecting barrel through a pipeline and comprises a barrel body, a fan connected with the barrel body, a power supply, and an anode electrode and a cathode electrode which are connected with the power supply through leads, wherein the anode electrode and the cathode electrode extend into the barrel body; the ozone generating device comprises an oxygen tank, an ozone generator, an ozone concentration detector and an air pump which are sequentially connected through a pipeline; the photocatalytic reaction device comprises a box body and an ultraviolet light source arranged on the box body, the cylinder body is connected and communicated with the box body through a water pump and a water outlet pipe, and the box body is connected with an air pump;
the top of the box body is provided with an opening and comprises a bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate which are arranged perpendicular to the bottom plate; the top of the front side plate is provided with a water inlet, one end of the water outlet pipe is connected with the water pump, the other end of the water outlet pipe is connected with the water inlet, the bottom of the rear side plate is provided with a water outlet, a photocatalytic plate is obliquely arranged above the bottom plate, each side edge of the photocatalytic plate is correspondingly connected with the front side plate, the rear side plate, the left side plate and the right side plate, the photocatalytic plate slowly inclines downwards from one end connected with the front side plate to one end connected with the rear side plate, a gas cavity is formed between the photocatalytic plate and the bottom plate, the bottom of the front side plate is provided with a gas inlet communicated with the gas cavity, the outlet of the air pump is connected with the gas inlet, a plurality of first baffles and a plurality of second baffles are arranged in the box body, and the first baffles and the second baffles are equidistantly spaced and are mutually staggered in the front-back direction; one end of each first baffle is connected with the left side plate, and the other end of each first baffle is spaced from the right side plate; one end of each second baffle is connected with the right side plate, the other end of each second baffle is spaced from the left side plate, the plurality of first baffles, the plurality of second baffles and the photocatalytic plate divide the inner space of the box body to form a plurality of wastewater flow channels, the plurality of wastewater flow channels are connected in a winding manner, a plurality of aeration holes which are arranged in an array manner are arranged on the wastewater flow channel above the photocatalytic plate, and the aeration holes are communicated with the wastewater flow channels and the gas cavity; the upper surface of the photocatalytic plate is covered with a layer of copper-nitrogen double-doped titanium dioxide photocatalytic layer around the aeration hole, the copper-nitrogen double-doped titanium dioxide photocatalytic layer is spaced from the aeration hole, and the exposed upper surface of the photocatalytic plate is arranged between the edge of the aeration hole and the copper-nitrogen double-doped titanium dioxide photocatalytic layer.
2. The laboratory water treatment equipment using the copper-nitrogen double-doped titanium dioxide photocatalytic material according to claim 1, characterized in that: a cellulose filter screen is arranged in the waste water collecting cylinder and close to the opening and used for filtering suspended matters in the laboratory waste water.
3. The laboratory water treatment equipment using the copper-nitrogen double-doped titanium dioxide photocatalytic material according to claim 1, characterized in that: the anode electrode adopts a ruthenium iridium titanium plate, the cathode electrode adopts a stainless steel SS304 plate, and the photocatalysis plate is a polyethylene plate.
4. The laboratory water treatment equipment using the copper-nitrogen double-doped titanium dioxide photocatalytic material according to claim 1, characterized in that: the ultraviolet light source comprises a seat body, a plurality of ultraviolet lamps arranged at the bottom of the seat body and a solar panel arranged at the top of the seat body, the seat body is covered at the opening at the top of the box body, the plurality of ultraviolet lamps are electrically connected with the solar panel, and the plurality of ultraviolet lamps correspond to the waste water flow passages one by one.
5. The laboratory water treatment equipment using the copper-nitrogen double-doped titanium dioxide photocatalytic material according to claim 1, characterized in that: the copper-nitrogen double-doped titanium dioxide photocatalytic layer is formed on the upper surface of the photocatalytic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461546.5U CN214654234U (en) | 2021-10-13 | 2021-10-13 | Laboratory water treatment equipment applying copper-nitrogen double-doped titanium dioxide photocatalytic material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122461546.5U CN214654234U (en) | 2021-10-13 | 2021-10-13 | Laboratory water treatment equipment applying copper-nitrogen double-doped titanium dioxide photocatalytic material |
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| CN214654234U true CN214654234U (en) | 2021-11-09 |
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| CN202122461546.5U Active CN214654234U (en) | 2021-10-13 | 2021-10-13 | Laboratory water treatment equipment applying copper-nitrogen double-doped titanium dioxide photocatalytic material |
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