A multifunctional air purification and disinfection machine and its use method

Abstract

The present invention discloses a multifunctional air purification and disinfection machine and a method for using the same. The disinfection machine comprises a housing, an air inlet is arranged at the bottom end of the housing, an air outlet is arranged at the top end of the housing, and an air flow channel is formed inside the housing; a fan is arranged inside the housing and at the bottom of the housing, an ultraviolet sterilization zone is arranged above the fan, and a catalytic zone is arranged above the ultraviolet sterilization zone; a first vent and a second vent that can be opened or closed freely are arranged on both sides of the housing, and a third vent for blocking or conducting the air flow channel inside the housing is also arranged inside the housing; the third vent is above the first vent and the second vent, and the third vent is located between the ultraviolet sterilization zone and the catalytic zone. The present invention can sterilize and disinfect the air, remove odors, etc., and can freely switch the functions of purification and disinfection, ozone diffusion, and ozone elimination by switching the opening and closing of each vent, so as to achieve a good air purification effect.

Description

Technical Field

[0001] The present invention relates to the field of air purification equipment, in particular to a multifunctional air purification and disinfection machine and a method for using the multifunctional air purification and disinfection machine. Background Art

[0002] As people's living standards continue to improve, people's requirements for air quality are getting higher and higher. Bacteria, dust and volatile organic compounds in the air will unknowingly harm people's health. Especially in areas where there are many people, such as hospitals, subways, hotels, etc., it is easier to breed bacteria, etc., resulting in poor air quality, which is not conducive to people's health needs.

[0003] The Chinese utility model patent with the authorization announcement number CN216744759U discloses an air purifier and disinfector, which is equipped with multiple photocatalytic plates in the clean air cavity and at least one ultraviolet lamp between two adjacent photocatalytic plates to perform ultraviolet sterilization and disinfection to purify the air. However, its function is relatively single, which can only perform ultraviolet sterilization and disinfection, and cannot purify the air in all directions by catalytic oxidation and other methods, and of course it cannot realize free switching between various functions. Summary of the invention

[0004] Based on the above technical problems, the present invention proposes a multifunctional air purification and disinfection machine and a method for using the same.

[0005] The technical solution adopted by the present invention is:

[0006] A multifunctional air purification and disinfection machine comprises a shell, an air inlet is arranged at the bottom end of the shell, an air outlet is arranged at the top end of the shell, and an air flow channel is formed inside the shell;

[0007] A fan is arranged inside the shell and at the bottom of the shell, an ultraviolet sterilization zone is arranged above the fan, and a catalytic zone is arranged above the ultraviolet sterilization zone, and both the ultraviolet sterilization zone and the catalytic zone are inside the shell;

[0008] A first vent and a second vent that can be freely opened or closed are respectively arranged on both sides of the shell, and a third vent for blocking or conducting the airflow channel inside the shell is also arranged inside the shell; the third vent is above the first vent and the second vent, and the third vent is located between the ultraviolet sterilization zone and the catalytic zone.

[0009] Preferably, the shell is arranged vertically, and the cross-section of the shell is rectangular, square, circular or elliptical.

[0010] Preferably, the air inlet is arranged on one side of the bottom end of the shell, or the air inlet is arranged on the bottom surface of the shell; supporting feet are arranged at the four corners of the bottom of the shell, or movable rollers are arranged at the four corners of the bottom of the shell.

[0011] Preferably, a primary filter is provided at the air inlet.

[0012] Preferably, the ultraviolet sterilization area is provided with a plurality of ultraviolet lamps.

[0013] Preferably, the ultraviolet lamp includes a 185nm ultraviolet lamp and a 254nm ultraviolet lamp.

[0014] Preferably, the catalytic zone is provided with a catalyst module, and the catalyst module is filled with an active manganese-based catalyst and an all-silicon-based molecular sieve.

[0015] Preferably, the air outlet is arranged on the top surface of the shell, and the air outlet is composed of a plurality of ventilation holes arranged on the top surface of the shell; and a high-efficiency filter is arranged at the air outlet.

[0016] A method for using a multifunctional air purification and disinfection machine comprises the following steps:

[0017] (1) The first vent and the second vent are closed, the third vent is opened, the 185nm ultraviolet lamp, the 254nm ultraviolet lamp and the fan are all turned on, and under the suction force of the fan, the air entering the air inlet passes through the ultraviolet sterilization zone and the catalytic zone in turn, and the purified air is discharged through the air outlet;

[0018] (2) Control the first vent and the second vent to be open, the third vent to be closed, the 185nm ultraviolet lamp to be turned on, the 254nm ultraviolet lamp to be turned off, and the fan to be turned on, so as to generate ozone in the ultraviolet sterilization zone. The air entering through the air inlet passes through the ultraviolet sterilization zone under the suction force of the fan, and carries the ozone in the ultraviolet sterilization zone, and is discharged through the first vent and the second vent to sterilize the surface of objects in the external environment;

[0019] (3) The first vent and the second vent are closed, the third vent is opened, the 185nm ultraviolet lamp and the 254nm ultraviolet lamp are turned off, and the fan is turned on, so that the external ozone after ozone sterilization is sucked into the disinfector through the air inlet, and the ozone is decomposed by the catalyst module to complete the ozone decomposition function.

[0020] Preferably, the method for using the multifunctional air purification and disinfection machine adopts the following formula to determine the optimal filling amount of the catalyst in the catalyst module:

[0021]

[0022] Where: ω is the optimal catalyst loading; L0 is the catalyst pore size, which can be selected as 0.3-0.5 mm; ε is the catalyst porosity, which can be selected as 75%-85%; ρ is the catalyst density, which can be selected as 0.15-0.2 g / cm 3 ; V is the catalyst space velocity, which can be taken as 40000h -1 ; m0 is the mass of catalyst per cubic meter, such as 4-6Kg; S is the cross-sectional area of ​​the catalyst module, that is, the cross-sectional area of ​​the catalyst module perpendicular to the wind flow direction.

[0023] The beneficial technical effects of the present invention are:

[0024] The present invention can sterilize and disinfect the air, remove odors, deeply degrade VOCs, etc., and purify the air in all directions by arranging an ultraviolet sterilization zone and a catalytic zone; and through the arrangement of the first vent, the second vent and the third vent, and in coordination with the opening and closing switching of each vent, the purification and disinfection, ozone diffusion and ozone decomposition functions of the air purifier and disinfector can be freely switched according to needs, and the air purification effect is good. The present invention is suitable for surface disinfection and air disinfection and purification in scenes such as subways and hospitals, and can be marketed and applied. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0026] Figure 1 This is a schematic diagram of the external structure of the multifunctional air purification and disinfection machine of the present invention;

[0027] Figure 2 It is a schematic diagram of the cross-sectional structure principle of the multifunctional air purification and disinfection machine of the present invention;

[0028] Figure 3 Another external angle view of the multifunctional air purification and disinfection machine of the present invention;

[0029] Figure 4 for Figure 3 AA section view;

[0030] Figure 5 for Figure 3 Top view of the . DETAILED DESCRIPTION

[0031] In conjunction with the accompanying drawings, a multifunctional air purification and disinfection machine includes a housing 1, an air inlet 2 is arranged at the bottom end of the housing 1, an air outlet 3 is arranged at the top end of the housing 1, and an air flow channel 4 is formed inside the housing 1. A fan 5 is arranged inside the housing 1 and at the bottom position of the housing, an ultraviolet sterilization zone 6 is arranged above the fan 5, and a catalytic zone 7 is arranged above the ultraviolet sterilization zone 6, and the ultraviolet sterilization zone 6 and the catalytic zone 7 are both inside the housing 1. The ultraviolet sterilization zone 6 is located in the middle part of the housing 1, and the catalytic zone 7 is located at the upper part or top of the housing 1. A first vent 8 and a second vent 9 that can be opened or closed freely are respectively arranged on both sides of the housing 1, and a third vent 10 for blocking or conducting the air flow channel inside the housing is also arranged inside the housing 1. The third vent 10 is located above the first vent 8 and the second vent 9, and the third vent 10 is located between the ultraviolet sterilization zone 6 and the catalytic zone 7.

[0032] The present invention can sterilize and disinfect the air, remove odors, deeply degrade VOCs, etc., and purify the air in all directions by setting the ultraviolet sterilization zone 6 and the catalytic zone 7. And by setting the first vent 8, the second vent 9 and the third vent 10, and coordinating the opening and closing switching of each vent, the purification and disinfection, ozone diffusion and ozone elimination functions of the air purifier and disinfector can be freely switched as needed, and the air purification effect is good, which is suitable for surface disinfection and air disinfection and purification in scenes such as subways and hospitals.

[0033] As a further design of the present invention, the housing 1 is arranged vertically, and the cross section of the housing 1 is rectangular, that is, the housing 1 is a vertically arranged rectangular parallelepiped structure. Of course, the cross section of the housing 1 can also be set to a square, circular or elliptical shape as required.

[0034] Furthermore, the air inlet 2 is arranged at one side of the bottom end of the housing 1, that is, the air enters from one side of the bottom end of the housing 1. Of course, the air inlet 2 can also be arranged on the bottom surface of the housing 1. Support feet are arranged at the four corners of the bottom of the housing 1, or movable rollers 11 are arranged at the four corners of the bottom of the housing 1 to facilitate the free movement of the multifunctional air purification and disinfection machine, that is, the disinfection machine can be freely moved to sterilize and disinfect different areas.

[0035] Furthermore, a primary filter 12 is provided at the air inlet 2. A high-efficiency filter 13 is provided at the air outlet 3. The primary filter 12 and the high-efficiency filter 13 can filter particles such as dust in the air.

[0036] The ultraviolet sterilization area 6 is provided with a plurality of ultraviolet lamps 14, which can be arranged in a row or staggered up and down. The ultraviolet lamps 14 include two types, namely 185nm ultraviolet lamps and 254nm ultraviolet lamps, which can be fully or partially turned on according to the use requirements.

[0037] The catalytic zone 7 is provided with a catalyst module, in which an active manganese-based catalyst and a fully silicon-based molecular sieve are filled, so as to remove VOCs and odors respectively. Specifically, the active manganese-based catalyst can be loaded on a nickel foam mesh to form an active manganese-based catalyst layer, and a fully silicon-based molecular sieve layer is provided above the active manganese-based catalyst layer. The nickel foam mesh can be fixed on the housing 1 by a metal outer frame.

[0038] The first vent 8, the second vent 9 and the third vent 10 can all be opened or closed by using a venetian blind structure. Of course, other conventional structures can also be used, which will not be described in more detail here.

[0039] The air outlet 3 is arranged on the top surface of the shell 1 , and the air outlet 3 is composed of a plurality of ventilation holes 301 arranged on the top surface of the shell.

[0040] The present invention also provides a method for using the multifunctional air purification and disinfection machine as described above, comprising the following steps:

[0041] (1) The first vent 8 and the second vent 9 are controlled to be closed, the third vent 10 is opened, the ultraviolet lamp 14 (185nm ultraviolet lamp and 254nm ultraviolet lamp) and the fan 5 are turned on, and the air entering the air inlet 2 passes through the ultraviolet sterilization zone 6 and the catalytic zone 7 in sequence, and is discharged through the air outlet 3. At this time, the multifunctional air purification and disinfection machine performs air purification, and specifically, the pollution sources such as bacteria, viruses, VOCs, and odor can be removed respectively through the ultraviolet lamp and the catalyst module.

[0042] (2) The first vent 8 and the second vent 9 are controlled to be opened, the third vent 10 is controlled to be closed, the 185nm ultraviolet lamp in the ultraviolet lamp is turned on, the 254nm ultraviolet lamp is turned off, and the fan 5 is also turned on. At this time, the multifunctional air purification and disinfection machine performs an ozone diffusion function, so that the air entering through the air inlet 2 brings out the ozone generated by the ultraviolet sterilization area 6, that is, it is discharged through the first vent 8 and the second vent 9, thereby disinfecting the surface of objects in the external environment.

[0043] (3) Control the first ventilation port 8 and the second ventilation port 9 to be closed, the third ventilation port 10 to be opened, the ultraviolet lamp 14 (185nm ultraviolet lamp and 254nm ultraviolet lamp) to be turned off, and the fan 5 to be turned on. At this time, the external ozone after ozone sterilization can enter the interior of the disinfector through the air inlet 2, and the ozone is decomposed by the catalyst module to complete the ozone decomposition function.

[0044] The method of using the multifunctional air purification and disinfection machine can use the following formula to determine the optimal filling amount of the catalyst in the catalyst module:

[0045]

[0046] Where: ω is the optimal catalyst loading; L0 is the catalyst pore size, which can be selected as 0.3-0.5 mm; ε is the catalyst porosity, which can be selected as 75%-85%; ρ is the catalyst density, which can be selected as 0.15-0.2 g / cm 3 ; V is the catalyst space velocity, which can be taken as 40000h -1 ; m0 is the mass of catalyst per cubic meter, such as 4-6Kg; S is the cross-sectional area of ​​the catalyst module, that is, the cross-sectional area of ​​the catalyst module perpendicular to the wind flow direction.

[0047] The parts not mentioned in the above methods can be realized by adopting or drawing on existing technologies.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multifunctional air purification and disinfection machine, characterized in that: The housing comprises a shell, an air inlet is arranged at the bottom end of the shell, an air outlet is arranged at the top end of the shell, and an air flow channel is formed inside the shell; A fan is arranged inside the shell and at the bottom of the shell, an ultraviolet sterilization zone is arranged above the fan, and a catalytic zone is arranged above the ultraviolet sterilization zone, and both the ultraviolet sterilization zone and the catalytic zone are inside the shell; A first vent and a second vent that can be opened or closed freely are respectively arranged on both sides of the shell, and a third vent is also arranged inside the shell for blocking or conducting the air flow channel inside the shell; The third vent is located above the first vent and the second vent, and the third vent is located between the ultraviolet sterilization zone and the catalytic zone; The ultraviolet sterilization area is provided with a plurality of ultraviolet lamps; the ultraviolet lamps include 185nm ultraviolet lamps and 254nm ultraviolet lamps; The catalytic zone is provided with a catalyst module, in which an active manganese-based catalyst and an all-silicon-based molecular sieve are filled; The method for using the multifunctional air purification and disinfection machine comprises the following steps: (1) The first vent and the second vent are closed, the third vent is opened, the 185nm ultraviolet lamp, the 254nm ultraviolet lamp and the fan are all turned on, and under the suction force of the fan, the air entering the air inlet passes through the ultraviolet sterilization zone and the catalytic zone in turn, and the purified air is discharged through the air outlet; (2) Control the first vent and the second vent to be open, the third vent to be closed, the 185nm ultraviolet lamp to be turned on, the 254nm ultraviolet lamp to be turned off, and the fan to be turned on, so as to generate ozone in the ultraviolet sterilization zone. The air entering through the air inlet passes through the ultraviolet sterilization zone under the suction force of the fan, and carries the ozone in the ultraviolet sterilization zone, and is discharged through the first vent and the second vent to sterilize the surface of objects in the external environment; (3) Control the first vent and the second vent to be closed, the third vent to be opened, the 185nm ultraviolet lamp and the 254nm ultraviolet lamp to be turned off, and the fan to be turned on, so that the external ozone after ozone sterilization is sucked into the disinfector through the air inlet, and the ozone is decomposed by the catalyst module to complete the ozone decomposition function; The optimal filling amount of catalyst in the catalyst module is determined by the following formula: Where: ω is the optimal catalyst loading; L0 is the catalyst pore size; ε is the catalyst porosity; ρ is the catalyst density; V is the catalyst space velocity; m0 is the catalyst mass per cubic meter; S is the cross-sectional area of ​​the catalyst module.

2. A multifunctional air purification and disinfection machine according to claim 1, characterized in that: The shell is arranged vertically, and the cross section of the shell is rectangular, square, circular or elliptical.

3. A multifunctional air purification and disinfection machine according to claim 1, characterized in that: The air inlet is arranged on one side of the bottom end of the shell, or the air inlet is arranged on the bottom surface of the shell; supporting feet are arranged at the four corners of the bottom of the shell, or movable rollers are arranged at the four corners of the bottom of the shell.

4. A multifunctional air purification and disinfection machine according to claim 1, characterized in that: A primary filter is provided at the air inlet.

5. The multifunctional air purification and disinfection machine according to claim 1, characterized in that: The air outlet is arranged on the top surface of the shell, and the air outlet is composed of a plurality of ventilation holes arranged on the top surface of the shell; a high-efficiency filter is arranged at the air outlet.

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