Vertical virus killing sterilizer of photoelectrocatalysis
Technical Field
The utility model belongs to the technical field of air purification, concretely relates to vertical sterilizer that disinfects of photoelectrocatalysis.
Background
The virus and bacteria usually attach to the air, pollute the air and cause people to transmit people in the form of droplets. The current technology for treating the air containing bacteria and viruses mainly comprises the following steps: chlorine-containing disinfectant killing method, ultraviolet lamp sterilization and disinfection method, high-voltage electrostatic method, mask adsorption and isolation method and plasma method. Although the killing method of the chlorine-containing disinfectant has obvious effect, the secondary pollution is caused, and the harm is also caused to the health of human bodies; the ultraviolet lamp sterilization disinfection method can also reactivate the bacteria and viruses when the time for killing the bacteria and viruses is short, and the high-voltage electrostatic method has similar problems. Therefore, the existing sterilization and disinfection methods have defects, and cannot achieve good sterilization and disinfection effects.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model discloses a vertical sterilizer that disinfects of photoelectrocatalysis, simple structure not only uses the mode of ultraviolet lamp, electro-catalysis electrode and photocatalysis board moreover, disinfects to the air and goes out the virus, handles through triple air purification, has improved the effect of disinfecting that disinfects.
The utility model provides a vertical photoelectrocatalysis disinfection sterilizer, which comprises a box body, wherein an air inlet and an air outlet are arranged on the box body, a gas channel is arranged between the air inlet and the air outlet, and a first photocatalysis plate and a second photocatalysis plate which are vertical to the gas circulation direction are arranged in the gas channel; after entering the gas channel from the gas inlet, the gas sequentially passes through the first photocatalytic plate and the second photocatalytic plate and is discharged from the gas outlet;
an ultraviolet lamp is arranged between the first photocatalytic plate and the second photocatalytic plate;
and a high-voltage direct current catalytic electrode is arranged between the second photocatalytic plate and the exhaust port.
Preferably, the air inlet is located on the side surface of the box body, the air outlet is located on the top surface of the box body, and the air flows from bottom to top and is discharged from the top surface of the box body after entering the air channel from the side surface of the box body.
Preferably, the electrocatalytic electrode includes a positive electrode plate and a negative electrode plate that are oppositely disposed, the positive electrode plate and the negative electrode plate being disposed in a gas flow direction.
Preferably, the electrocatalytic electrode adopts a high-voltage electrode with the voltage range of 0-30KV, and the distance between the positive electrode plate and the negative electrode plate is 10-60 cm.
Preferably, the positive electrode plate and the negative electrode plate are both made of any one of metal or metal oxide DSA or graphite materials, and activated carbon or activated carbon fiber materials are filled between the positive electrode plate and the negative electrode plate to serve as third electrodes.
Preferably, the photocatalytic plate is made of a nano photocatalyst.
Preferably, the ultraviolet lamp comprises a quartz lamp tube, magnets are respectively arranged at two ends of the quartz lamp tube, excitation coatings are respectively coated on the inner wall and the outer wall of the two ends of the quartz lamp tube, and the excitation coatings are positioned around the magnets.
Preferably, the excitation coating is an ITO coating or an Ag-TiO2 coating or an AgO-TiO2 coating.
Preferably, a ventilating fan is arranged in the box body and close to the exhaust port.
Preferably, an air inlet grating plate is arranged at the air inlet, and an exhaust grating plate is arranged at the air outlet.
The utility model discloses a sterilizer, simple structure not only uses ultraviolet lamp, electro-catalysis electrode and photocatalysis board's mode moreover, disinfects to the air and goes out the virus, handles through triple air purification, has improved the effect of disinfecting and going out the virus.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic external view of the vertical electro-photocatalytic sterilizer of the present embodiment;
FIG. 2 is a schematic diagram of the internal structure of the vertical photoelectrocatalysis sterilizer in the present embodiment;
fig. 3 is a schematic structural diagram of the ultraviolet lamp in the embodiment.
1-box body, 2-air inlet, 3-air outlet, 4-first photocatalytic plate, 5-second photocatalytic plate, 6-ultraviolet lamp, 7-electrocatalytic electrode, 8-exhaust fan, 9-air inlet grating plate, 10-exhaust grating plate, 11-electrode direct current power supply, 12-power supply and 13-ballast
61-quartz lamp tube, 62-magnet, 63-excitation coating
71-positive electrode plate, 72-negative electrode plate
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Example (b):
the embodiment provides a vertical photoelectrocatalysis sterilizer, which comprises a box body 1, wherein an air inlet 2 and an air outlet 3 are arranged on the box body 1, an air channel is arranged between the air inlet 2 and the air outlet 3, a first photocatalysis plate 4 and a second photocatalysis plate 5 which are perpendicular to the air flowing direction are arranged in the air channel, and the two photocatalysis plates are horizontally arranged and are parallel to each other; after entering the gas channel from the gas inlet 2, the gas sequentially passes through the first photocatalytic plate 4 and the second photocatalytic plate 5 and is discharged from the gas outlet 3;
an ultraviolet lamp 6 is arranged between the first photocatalytic plate 4 and the second photocatalytic plate 5;
and a high-voltage direct current catalytic electrode 7 is arranged between the second photocatalytic plate 5 and the exhaust port 3.
In this embodiment, the air inlet 2 is located the side of case body 1, and is close to the bottom of case body 1, the gas vent 3 is located the top surface of case body 1, gaseous follow the side of case body 1 gets into behind the gas passage, from the supreme circulation of follow down and follow the top surface of case body 1 is discharged.
In this embodiment, the electrocatalytic electrode 7 is a high voltage electrode with a voltage range of 4-25 KV. The electrocatalytic electrode 7 includes a positive electrode plate 71 and a negative electrode plate 72 that are oppositely disposed, and the positive electrode plate 71 and the negative electrode plate 72 are disposed in a gas flow direction. The electrode plates of this embodiment are also electrocatalyst plates, and the positive electrode plate 71 and the negative electrode plate 72 are made of metal or metal oxide or graphite material. The distance between the positive electrode plate 71 and the negative electrode plate 72 is 10-60cm, and activated carbon or activated carbon fiber materials and the like are filled between the positive electrode plate 71 and the negative electrode plate 72 to serve as third electrodes. A certain distance is arranged between the electrode plate and the inner wall of the box body 1.
In this embodiment, the outer wall of the box body 1 is provided with the electrode dc power supply 11, the electrode dc power supply 11 is used for supplying power to the electrocatalysis electrode 7, an electric field is formed between the negative electrode plate 72 and the positive electrode plate 71, and the bacteria and viruses located between the negative electrode plate 72 and the positive electrode plate 71 move towards the positive electrode plate 71 under the action of the electric field, so as to eliminate the bacteria and viruses in the gas passing through the electrocatalysis electrode 7.
The ultraviolet lamp 6 in this embodiment may be a plasma ultraviolet lamp 6 or an H-type ultraviolet lamp 6, the plasma ultraviolet lamp 6 includes a quartz lamp tube 61, two ends of the quartz lamp tube 61 are respectively provided with a magnet 62, inner walls and outer walls of two ends of the quartz lamp tube 61 are respectively coated with an excitation coating 63, and the excitation coating 63 is located around the magnet 62. The excitation coating 63 is an ITO coating or an Ag-TiO2 coating or an AgO-TiO2 coating.
This embodiment is equipped with power supply 12 and ballast 13 on the outer wall of case body 1, and power supply 12 supplies power for ultraviolet lamp 6 through ballast 13, and ultraviolet lamp 6 has the effect of virus killing and sterilization, kills the bacterial virus around ultraviolet lamp 6.
Both the two photocatalytic plates of this embodiment are made of a nano photocatalyst. The photocatalysis plate has the antibacterial and antiviral functions under the irradiation of ultraviolet light, and can effectively prevent various microorganisms such as bacteria and viruses from breeding; the function of removing the peculiar smell of the gas is achieved, so that the gas is fresher; can release free radicals, has an active attack function, and achieves the effect of omnibearing sterilization. In the embodiment, two photocatalysis plates are arranged, so that better sterilization, antibiosis and peculiar smell removal effects are achieved.
In this embodiment, a ventilation fan 8 is provided in the box body 1 at a position close to the exhaust port 3. Through power supply 12 is the power supply of exhaust fan 8, sets up exhaust fan 8 at gas vent 3, plays the effect of accelerating the gas circulation.
In this embodiment, an air inlet grating plate 9 is disposed at the air inlet 2, and an air outlet grating plate 10 is disposed at the air outlet 3. The air inlet grating plate 9 is detachably covered on the air inlet 2, and the exhaust grating plate 10 is detachably covered on the exhaust port 3. When the interior of the sterilizer needs to be overhauled, the grid plates and the exhaust grid plates 10 are dismantled.
In this embodiment, after the gas enters the gas channel from the gas inlet 2, various toxic and harmful bacteria, viruses, microorganism DNA and RNA molecules in the gas are degraded into small molecules and non-toxic and harmless polar small molecule compounds under the action of the ultraviolet lamp 6, the photocatalytic plate and the electrocatalytic electrode 7, so that the gas is sterilized and disinfected, and the purified gas is discharged to the external environment from the gas outlet 3.
In conclusion, the sterilizer of the embodiment has a simple structure, and can sterilize and disinfect air by using the ultraviolet lamp 6, the electro-catalytic electrode 7 and the photocatalytic plate, and the sterilization and disinfection effects are improved by triple air purification treatments, so that the killing rate of bacteria and viruses in the air can reach 99 percent
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.