CN111346251B - Titanium dioxide air purification degassing unit - Google Patents

Titanium dioxide air purification degassing unit Download PDF

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Publication number
CN111346251B
CN111346251B CN202010155603.4A CN202010155603A CN111346251B CN 111346251 B CN111346251 B CN 111346251B CN 202010155603 A CN202010155603 A CN 202010155603A CN 111346251 B CN111346251 B CN 111346251B
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air
core body
titanium dioxide
outer cover
fixed
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CN111346251A (en
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吴州
谢传芳
梁耀镇
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Nanning Normal University
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Nanning Normal University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultra-violet radiation
    • A61L9/205—Ultra-violet radiation using a photocatalyst or photosensitiser
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20—Method-related aspects
    • A61L2209/21—Use of chemical compounds for treating air or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/20—Method-related aspects
    • A61L2209/22—Treatment by sorption, e.g. absorption, adsorption, chemisorption, scrubbing, wet cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air

Abstract

The invention discloses a titanium dioxide air purification and disinfection device, which belongs to the technical field of air purification and disinfection, and comprises a shell, a fan, an air inlet pipe, an outer cover, a base material, an ultraviolet lamp, a stepping motor and a core body, wherein the shell is provided with a fan inlet; the core body is positioned in the shell, an air channel for air circulation is arranged between the core body and the shell, the fan is positioned in the air inlet pipe, a filter screen is arranged at one inlet end of the air inlet pipe, and one outlet end of the air inlet pipe is communicated with the air channel; the outer cover is covered on the front side of the shell, the surface of the base material is provided with a titanium dioxide coating, the base material is annular, the base material is spiral and is positioned between the outer cover and the core body, and the ultraviolet lamp is arranged on the inner surface of the outer cover and is positioned between the outer cover and the core body; the core body is provided with a cavity, the stepping motor is arranged in the cavity, and the base material is fixed with a connecting rod which is fixed on an output shaft of the stepping motor; the outer cover is provided with the air outlet, so that the air purifier has better purification efficiency and purification effect, and can obviously improve the indoor air quality.

Description

Titanium dioxide air purification degassing unit
Technical Field
The invention relates to the technical field of air purification and disinfection, in particular to a titanium dioxide air purification and disinfection device.
Background
Air is currently considered one of the major agents for the spread of disease. Indoor air pollution refers to substances contained in air in a closed space where people are located and having certain harm to human health, and the concentration of the substances exceeds national standards so as to cause harm to human health. The air is filled with various physical, chemical and microbial pollutants which are harmful to human health. Because the indoor environment is closed, various microorganisms can be bred in the humid environment, so that the pollution of biological factors is caused. More than 400 pollutants have been identified, and the number of pollutants is far more than estimated by people.
The quality of the indoor air directly influences the life health of human bodies, and in order to purify and disinfect the indoor air, many types of air purifiers are available on the market, wherein the air purifiers comprise a nano titanium dioxide disinfection device. The nano titanium dioxide disinfection device applies the photocatalysis technical principle, titanium dioxide sterilization materials are coated on the surface of a base material, and under the action of ultraviolet light and visible light, the nano titanium dioxide disinfection device can generate a strong catalytic degradation function, effectively degrade toxic and harmful gases in the air, kill various bacteria, decompose and harmlessly treat toxins released by bacteria or fungi, and simultaneously has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like.
Present nanometer titanium dioxide degassing unit generally includes the casing, be provided with the air intake in the casing, air outlet and fan, be provided with the substrate that scribbles titanium dioxide sterilizing material between air intake and the air outlet, however the fan amount of wind is great, the wind speed is very fast, the substrate is in static again, consequently toxic harmful gas has not been clear away totally in the air many times, just gone out from the air outlet, the substrate receives the ultraviolet irradiation area less, it is shorter with air contact time, area of contact is also less, be unfavorable for the effective purification of air and disinfection, therefore the bactericidal effect remains to be strengthened.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a titanium dioxide air purification and disinfection device.
In order to achieve the purpose, the invention provides the following technical scheme:
a titanium dioxide air purification and disinfection device comprises a shell, a fan, an air inlet pipe, an outer cover, a base material, an ultraviolet lamp, a stepping motor and a core body;
the core body is positioned in the shell, an air channel for air circulation is arranged between the core body and the shell, the fan is positioned in the air inlet pipe, a filter screen is arranged at one inlet end of the air inlet pipe, and one outlet end of the air inlet pipe is communicated with the air channel;
the outer cover covers the front side of the shell, a titanium dioxide coating is arranged on the surface of the base material, the base material is annular, the base material is spiral and is positioned between the outer cover and the core body, and the ultraviolet lamp is arranged on the inner surface of the outer cover and is positioned between the outer cover and the core body;
the core body is provided with a cavity, the stepping motor is installed in the cavity, the base material is fixed with a connecting rod, the connecting rod is fixed on an output shaft of the stepping motor, and the center of the circle of the base material is positioned on the axis of the output shaft of the stepping motor;
the outer cover is provided with an air outlet.
More preferably: the honeycomb-shaped activated carbon and glass fiber filter screen are also included;
the honeycomb activated carbon and the glass fiber filter screen are both circular and are respectively arranged between the outer cover and the core body, and the honeycomb activated carbon, the glass fiber filter screen and the base material are sequentially arranged from outside to inside;
the air duct is located around the core and communicated with the outer cover and the distance between the cores, so that air flow in the air duct sequentially passes through the honeycomb-shaped activated carbon, the glass fiber filter screen and the base material.
More preferably: honeycomb activated carbon with one side of the fine filter screen of glass all the cladding of cladding has the iron sheet, the core front side is provided with the iron sheet with under the effect of iron sheet, honeycomb activated carbon with the fine filter screen of glass magnetism respectively is connected on the core and with respectively the enclosing cover inboard contact.
More preferably: a first lower positioning ring, an upper positioning ring and a second lower positioning ring are arranged on the front side of the core body and the inner side of the outer cover;
the first lower positioning rings are supported on two opposite sides of the inner surface of the honeycomb-shaped activated carbon, the second lower positioning rings are supported on two opposite sides of the inner surface of the glass fiber filter screen, and the upper positioning rings are positioned on two opposite sides of the outer surface of the glass fiber filter screen.
More preferably: be equipped with the interval that is used for buffer memory air between honeycomb activated carbon, the fine filter screen of glass and the substrate, the substrate is fixed with a location section of thick bamboo all around, a location section of thick bamboo is located the substrate with between the second lower retainer ring, the through-hole has been seted up on the section of thick bamboo of location, a location section of thick bamboo is fixed the core front side and with enclosing cover internal surface contact.
More preferably: the exhaust vent is seted up the enclosing cover center just is located in the location section of thick bamboo, the ultraviolet lamp is located location section of thick bamboo centre of a circle department.
More preferably: a first connecting column and a second connecting column are arranged in the air duct, one end of each of the first connecting column and the second connecting column is fixed on the shell, and the other end of each of the first connecting column and the second connecting column is fixed on the core body;
the first connecting column and the second connecting column are provided with a plurality of connecting columns which are uniformly distributed around the core body respectively.
More preferably: the air inlet pipe is characterized in that a supporting leg is fixed at the lower end of the air inlet pipe, the upper end of the supporting leg is fixed at the bottom of the air inlet pipe, a base plate is fixed at the lower end of the supporting leg, a rubber pad is fixed at the bottom of the shell, and the bottom surface of the rubber pad is flush with the bottom surface of the base plate.
More preferably: the core front side is opened and is equipped with the spout, the spout is ring shape and the centre of a circle is located on the step motor output shaft axis, be fixed with the slider on the connecting rod, the slider inlay in the spout and with spout sliding fit.
More preferably: the connecting rods are provided with two, and the included angle between two connecting rods is 180 degrees, and two the connecting rods are fixed respectively in the relative both sides of step motor output shaft.
In conclusion, the invention has the following beneficial effects: generally, the larger the area irradiated with ultraviolet rays, the more electron-holes are generated, and the holes are transferred to TiO2The more the surface, the higher the photocatalytic activity, so the invention sets the base material into a spiral shape, on one hand, the surface area of the base material is increased, the area of the titanium dioxide coating layer irradiated by ultraviolet is higher, and the titanium dioxide coating layer can be arranged on an ultraviolet lampUnder the action, a strong catalytic degradation function is generated, and toxic and harmful gases in the air can be effectively degraded; and on the other hand, the titanium dioxide coating can generate rotating airflow when the substrate rotates, so that the contact time and the contact area of the titanium dioxide coating and air are enhanced. And adopt different absorption of multilayer, sterilization material for the air can obtain effectual purification and disinfection after honeycomb activated carbon, fine filter screen of glass and substrate purify in proper order, and purification efficiency and purifying effect are better.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment, which is mainly used for embodying the overall structure of a titanium dioxide air purifying and disinfecting device;
FIG. 2 is a schematic structural diagram of an embodiment, which is mainly used for embodying the overall structure of the titanium dioxide air purifying and disinfecting device;
FIG. 3 is a schematic structural diagram of an embodiment, which is mainly used for embodying the internal structure of the titanium dioxide air purifying and disinfecting device;
FIG. 4 is a schematic sectional view of an embodiment, which is mainly used for embodying the specific structure of the titanium dioxide air purifying and disinfecting device;
FIG. 5 is a schematic view, partially in section, of an embodiment, which is mainly used for embodying the matching structure between the substrate and the stepping motor;
fig. 6 is a schematic structural diagram of an embodiment, which is mainly used for embodying the specific structure of the titanium dioxide air purification and disinfection device.
In the figure, 1, a housing; 2. an air inlet pipe; 3. filtering with a screen; 4. a support leg; 5. a base plate; 6. a rubber pad; 7. an outer cover; 8. an air outlet; 9. honeycomb activated carbon; 10. a glass fiber filter screen; 11. a substrate; 12. a first lower positioning ring; 13. an upper positioning ring; 14. a second lower positioning ring; 15. a through hole; 16. an ultraviolet lamp; 17. a fan; 18. a first connecting column; 19. a second connecting column; 20. iron sheets; 21. a retainer ring; 22. a turntable; 23. a chute; 24. a connecting rod; 25. a stepping motor; 26. a cavity; 27. a slider; 28. a core body; 29. an air duct; 30. a positioning cylinder.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b): a titanium dioxide air purification and disinfection device is shown in figures 1-6 and comprises a shell 1, a fan 17, an air inlet pipe 2, an outer cover 7, honeycomb activated carbon 9, a glass fiber filter screen 10, a base material 11, an ultraviolet lamp 16, a stepping motor 25 and a core body 28. The core 28 is located in the housing 1, and an air duct 29 for air circulation is provided between the core 28 and the housing 1. The fan 17 is arranged in the air inlet pipe 2, the filter screen 3 is arranged at one inlet end of the air inlet pipe 2, one outlet end of the air inlet pipe 2 is communicated with the air channel 29, and the air inlet pipe 2 is fixed on the shell 1. The core 28 is shaped like a circular truncated cone on the whole and the small diameter side is located at the joint of the air inlet duct 2 and the casing 1, and the outer cover 7 is located on the large diameter side of the core 28 (i.e., the front side of the core 28).
In the above technical scheme, in order to prevent solid impurities with large external volume from being sucked into the air inlet pipe 2, the filter screen 3 is installed at the inlet side of the air inlet pipe 2, so that the impurities with large volume in the air can be intercepted, and the damage of the fan 17 is reduced.
Referring to fig. 1 to 6, the outer cover 7 is a circular cover plate and covers the front side of the housing 1, and in order to facilitate the covering of the outer cover 7, specifically, a ring of retainer ring 21 is fixed on the inner side of the housing 1, and the outer cover 7 is in contact with the retainer ring 21. The setting of retaining ring 21 can play location and sealed effect, the quick fixed enclosing cover 7 of being convenient for, and enclosing cover 7 is fixed through the screw with casing 1, and the screw is installed around casing 1. The lower end of the air inlet pipe 2 is fixed with a supporting leg 4, the upper end of the supporting leg 4 is fixed at the bottom of the air inlet pipe 2, and the lower end is fixed with a backing plate 5. The bottom of the shell 1 is fixed with a rubber pad 6, and the bottom surface of the rubber pad 6 is flush with the bottom surface of the backing plate 5.
In the above technical solution, the outer cover 7 covers the front side of the housing 1 and is fixed with the housing 1 through screws, so as to facilitate later maintenance and replacement and cleaning of the internal components of the titanium dioxide air purification and disinfection device. Rubber pad 6 and backing plate 5 can play better guard action, not only can make titanium dioxide air purification degassing unit support stably, can also prevent titanium dioxide air purification degassing unit at the wearing and tearing of ground.
Referring to fig. 1-6, the surface of the substrate 11 is provided with a titanium dioxide coating to form a photocatalytic module. Substrate 11 is circular and spiral, substrate 11 is between cover 7 and core 28, and ultraviolet lamp 16 is installed at the center of the inner surface of cover 7 and between cover 7 and core 28. The front side of the core body 28 is provided with a cavity 26, the stepping motor 25 is installed in the cavity 26, the connecting rod 24 is fixed on the substrate 11, the connecting rod 24 is fixed on the output shaft of the stepping motor 25, and the circle center of the substrate 11 is located on the axis of the output shaft of the stepping motor 25. Specifically, the two connecting rods 24 are arranged, the included angle between the two connecting rods 24 is 180 degrees, and the two connecting rods 24 are respectively fixed on two opposite sides of the output shaft of the stepping motor 25. The end part of the output shaft of the stepping motor 25 is fixed with a turntable 22, and two connecting rods 24 are fixed at the rear side of the turntable 22. The front side of the core body 28 is provided with a chute 23, the chute 23 is circular and the center of the circle is located on the axis of the output shaft of the stepping motor 25. A sliding block 27 is fixed on the connecting rod 24, and the sliding block 27 is embedded in the sliding groove 23 and is in sliding fit with the sliding groove 23. The rear side of connecting rod 24 is in contact with the front side of core 28. The air outlet 8 is formed in the outer cover 7, the air outlet 8 is formed in the center of the outer cover 7, the air outlet 8 is provided with a plurality of air outlets, and the plurality of air outlets 8 are uniformly distributed in the center of the outer cover 7.
The photocatalytic sterilization principle of the nano titanium dioxide is as follows: when the titanium dioxide is irradiated by ultraviolet light with the wavelength of less than 387.5nm, electrons on a valence band jump to a conduction band, are excited and ionized to generate electrons and simultaneously generate electropositive holes to form electron and hole pairs, under the action of an electric field, the electrons and the holes are separated and migrate to different positions on the surfaces of particles to generate a series of reactions, and oxygen adsorbed and dissolved on the surface of the titanium dioxide is used for capturing the electrons to form O2The superoxide anion radical formed reacts with (oxidizes) most organic species. Simultaneously can react with organic matters in bacteria to generate CO2And H2O; while the holes will adsorb OH-and H on the surface of the titanium dioxide2O is oxidized into OH, which has strong oxidizing ability and can attack unsaturated bonds of organic matters or extract H atoms to generate new free radicals to stimulate chain reaction, thus finally causing bacteria to decompose. Generally, the larger the area exposed to ultraviolet radiation, the more electrons and hole pairs are generated and the more holes migrate to the surface of the titanium dioxide, the higher the photocatalytic activity, so that the present invention provides a helical substrate 11, which increases the surface area of the substrate 11, thereby increasing the area exposed to ultraviolet radiation of the titanium dioxide coating, which is exposed to ultraviolet radiation at the ultraviolet lamp 16When the catalyst is used, a strong catalytic degradation function is generated, and toxic and harmful gases in the air can be effectively degraded; and on the other hand, to generate a swirling air flow when the substrate 11 is rotated, thereby enhancing the time and area of contact of the titanium dioxide coating with air.
Referring to fig. 1-6, the honeycomb activated carbon 9 and the glass fiber filter screen 10 are both circular and are respectively installed between the outer cover 7 and the core body 28, and the honeycomb activated carbon 9, the glass fiber filter screen 10 and the base material 11 are sequentially arranged from outside to inside. The air duct 29 is located around the core 28 and is communicated with the outer cover 7 and the core 28 at a distance, so that air flow in the air duct 29 sequentially passes through the honeycomb activated carbon 9, the glass fiber filter screen 10 and the substrate 11 and then is discharged through the air outlet 8. The axial direction of the pores in the honeycomb activated carbon 9 should be the same as the radial direction of the substrate 11.
In the technical scheme, the activated carbon has a good adsorption effect, can adsorb harmful substances in the air, such as a plurality of hydrocarbons, aldehydes, organic acids and the like, and the honeycomb activated carbon 9 is adopted as the activated carbon, and the wind speed resistance is small mainly because the honeycomb activated carbon 9 has the characteristics of large specific surface area, microporous porous structure and high adsorption capacity. The glass fiber filter screen 10 can filter, screen and intercept indoor air, and can intercept some inhalable particles, smoke, dust and bacteria which are suspended in the air and have the pore diameter close to or larger than that of the filter material, thereby achieving the purpose of purifying the indoor air. The invention adopts a plurality of layers of different adsorption and sterilization materials, so that the air can be effectively purified and disinfected after being sequentially purified by the honeycomb-shaped active carbon 9, the glass fiber filter screen 10 and the base material 11, and the purification efficiency and the purification effect are better.
Referring to fig. 1-6, one side of the honeycomb activated carbon 9 and one side of the glass fiber filter screen 10 are both coated with an iron sheet 20, an iron-attracting sheet 20 is arranged on the front side of the core body 28, and under the action of the iron sheet 20 and the iron-attracting sheet 20, the honeycomb activated carbon 9 and the glass fiber filter screen 10 are respectively magnetically connected to the core body 28 and are in contact with the inner side of the outer cover 7. The front side of the core body 28 and the inner side of the outer cover 7 are provided with a first lower positioning ring 12, an upper positioning ring 13 and a second lower positioning ring 14, and the iron-absorbing sheet 20 is positioned above the first lower positioning ring 12 and between the upper positioning ring 13 and the second lower positioning ring 14. The first lower positioning rings 12 are supported on two opposite sides of the inner surface of the honeycomb-shaped activated carbon 9, the second lower positioning rings 14 are supported on two opposite sides of the inner surface of the glass fiber filter screen 10, and the upper positioning rings 13 are positioned on two opposite sides of the outer surface of the glass fiber filter screen 10. The glass fiber filter screen 10 is positioned between the upper positioning ring 13 and the second lower positioning ring 14.
Referring to fig. 1 to 6, a space for buffering air is provided between the honeycomb activated carbon 9, the glass fiber filter net 10 and the substrate 11. A positioning cylinder 30 is fixed on the periphery of the base material 11, the positioning cylinder 30 is located between the base material 11 and the second lower positioning ring 14, a through hole 15 is formed in the positioning cylinder 30, and the through hole 15 penetrates through the inner side and the outer side of the positioning cylinder 30. The through holes 15 are provided with three groups, each group is composed of a plurality of round holes at equal intervals, and the three groups of through holes 15 are uniformly distributed on the positioning cylinder 30 in regions. The positioning cylinder 30 is fixed to the front side of the core body 28 and contacts the inner surface of the cover 7. The air outlet 8 is positioned in the positioning cylinder 30, and the ultraviolet lamp 16 is positioned at the circle center of the positioning cylinder 30. The air duct 29 is internally provided with a first connecting column 18 and a second connecting column 19, the first connecting column 18 and the second connecting column 19 are fixed on the shell 1 at one end and fixed on the core 28 at the other end. The number of the first connecting columns 18 and the number of the second connecting columns 19 are four, and the four first connecting columns 18 and the four second connecting columns 19 are uniformly distributed around the core body 28 respectively.
In the technical scheme, the honeycomb-shaped activated carbon 9 and the glass fiber filter screen 10 are required to be replaced after being used for a long time, so that the air purification quality is not influenced, and the honeycomb-shaped activated carbon 9 and the glass fiber filter screen 10 are convenient to disassemble and assemble. The air current will enter into a location section of thick bamboo 30 through-hole 15 on a location section of thick bamboo 30 after honeycomb active carbon 9 and the fine filter screen 10 of glass handle, because substrate 11 is at the rotation of a location section of thick bamboo 30, consequently the air that enters into in a location section of thick bamboo 30 will produce the whirl in a location section of thick bamboo 30 under the effect of substrate 11, has increased the contact of substrate 11 with the air, is convenient for fully disinfect.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that several improvements and modifications without departing from the principle of the present invention will occur to those skilled in the art, and such improvements and modifications should also be construed as within the scope of the present invention.

Claims (8)

1. The utility model provides a titanium dioxide air purification degassing unit, includes casing (1) and fan (17), its characterized in that: the ultraviolet lamp is characterized by also comprising an air inlet pipe (2), an outer cover (7), a base material (11), an ultraviolet lamp (16), a stepping motor (25) and a core body (28);
the core body (28) is positioned in the shell (1), an air channel (29) for air circulation is arranged between the core body (28) and the shell (1), the fan (17) is positioned in the air inlet pipe (2), a filter screen (3) is arranged at one inlet end of the air inlet pipe (2), and one outlet end of the air inlet pipe is communicated with the air channel (29);
the outer cover (7) is arranged on the front side of the shell (1) in a covering mode, a titanium dioxide coating is arranged on the surface of the base material (11), the base material (11) is annular, the base material (11) is spiral and is located between the outer cover (7) and the core body (28), and the ultraviolet lamp (16) is installed on the inner surface of the outer cover (7) and is located between the outer cover (7) and the core body (28);
a cavity (26) is formed in the core body (28), the stepping motor (25) is installed in the cavity (26), a connecting rod (24) is fixed on the base material (11), the connecting rod (24) is fixed on an output shaft of the stepping motor (25), and the circle center of the base material (11) is located on the axis of the output shaft of the stepping motor (25);
an air outlet hole (8) is formed in the outer cover (7);
also comprises honeycomb activated carbon (9) and a glass fiber filter screen (10);
the honeycomb activated carbon (9) and the glass fiber filter screen (10) are both annular and are respectively arranged between the outer cover (7) and the core body (28), and the honeycomb activated carbon (9), the glass fiber filter screen (10) and the base material (11) are sequentially arranged from outside to inside;
the air duct (29) is positioned around the core body (28) and is communicated with the outer cover (7) and the core body (28) at intervals, so that air flow in the air duct (29) sequentially passes through the honeycomb activated carbon (9), the glass fiber filter screen (10) and the base material (11);
honeycomb activated carbon (9) with one side of fine filter screen of glass (10) all the cladding has iron sheet (20), core (28) front side is provided with the magnet piece iron sheet (20) with under the effect of magnet piece, honeycomb activated carbon (9) with fine filter screen of glass (10) magnetism respectively connect on core (28) and with respectively enclosing cover (7) inboard contact.
2. The titanium dioxide air purifying and sterilizing device as claimed in claim 1, wherein: a first lower positioning ring (12), an upper positioning ring (13) and a second lower positioning ring (14) are arranged on the front side of the core body (28) and the inner side of the outer cover (7);
the first lower positioning rings (12) are supported on two opposite sides of the inner surface of the honeycomb activated carbon (9), the second lower positioning rings (14) are supported on two opposite sides of the inner surface of the glass fiber filter screen (10), and the upper positioning rings (13) are positioned on two opposite sides of the outer surface of the glass fiber filter screen (10).
3. The titanium dioxide air purifying and sterilizing device as claimed in claim 2, wherein: be equipped with the interval that is used for the buffer memory air between honeycomb activated carbon (9), glass fiber filter screen (10) and substrate (11), substrate (11) are fixed with a location section of thick bamboo (30) all around, a location section of thick bamboo (30) are located substrate (11) with between second lower position circle (14), through-hole (15) have been seted up on a location section of thick bamboo (30), a location section of thick bamboo (30) are fixed core (28) front side and with enclosing cover (7) internal surface contact.
4. The titanium dioxide air purifying and sterilizing device as claimed in claim 3, wherein: the exhaust vent (8) is seted up enclosing cover (7) center just is located in a location section of thick bamboo (30), ultraviolet lamp (16) are located a location section of thick bamboo (30) centre of a circle department.
5. The titanium dioxide air purifying and sterilizing device as claimed in claim 1, wherein: a first connecting column (18) and a second connecting column (19) are arranged in the air duct (29), the first connecting column (18) and the second connecting column (19) are fixed on the shell (1) at one end, and the other end is fixed on the core body (28);
the first connecting column (18) and the second connecting column (19) are provided with a plurality of connecting columns, and the first connecting column (18) and the second connecting column (19) are uniformly distributed around the core body (28) respectively.
6. The titanium dioxide air purifying and sterilizing device as claimed in claim 1, wherein: the air inlet pipe is characterized in that supporting legs (4) are fixed to the lower end of the air inlet pipe (2), the upper ends of the supporting legs (4) are fixed to the bottom of the air inlet pipe (2), a base plate (5) is fixed to the lower end of the supporting legs, a rubber pad (6) is fixed to the bottom of the shell (1), and the bottom surface of the rubber pad (6) is flush with the bottom surface of the base plate (5).
7. The titanium dioxide air purifying and sterilizing device as claimed in claim 1, wherein: core (28) front side is opened and is equipped with spout (23), spout (23) are ring shape and the centre of a circle is located on step motor (25) output shaft axis, be fixed with slider (27) on connecting rod (24), slider (27) inlay in spout (23) and with spout (23) sliding fit.
8. The titanium dioxide air purifying and sterilizing apparatus as claimed in claim 7, wherein: the two connecting rods (24) are arranged, the included angle between the two connecting rods (24) is 180 degrees, and the two connecting rods (24) are respectively fixed on two opposite sides of an output shaft of the stepping motor (25).
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