CN212511682U

CN212511682U - Air purification unit

Info

Publication number: CN212511682U
Application number: CN202021266100.6U
Authority: CN
Inventors: 史喜成; 孟祥君; 谭正
Original assignee: Beijing Kaiyue Defence Technology Co ltd
Current assignee: Beijing Kaiyue Defence Technology Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-09
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to an air purification unit, including the whirlwind module of upwind setting in the air flow way, a plurality of whirlwind pipe of whirlwind module for being array arrangement, the intraductal air inlet side of whirlwind sets up the water conservancy diversion flabellum, the intraductal at least part of whirlwind sets up the photocatalyst material layer, the whirlwind pipe goes out the air side and sets up ultraviolet source, on the ultraviolet ray irradiation that ultraviolet source launches the photocatalyst material layer in the whirlwind pipe, the air is through water conservancy diversion flabellum spiral outflow the whirlwind pipe. The utility model discloses effectively solved among the current photocatalysis technique air and photocatalyst material contact time short, area of contact little, purification efficiency low, poor to the protectiveness of light source, life is short, the cost is higher and maintain frequent technological problem, the utility model discloses a purification unit has improved the purification efficiency that photocatalyst purified greatly, has prolonged the life that purifies the unit, has reduced the maintenance frequency to promote the popularization of the clear photocatalyst purification technique of environmental protection greatly.

Description

Air purification unit

Technical Field

The utility model relates to an air purification field especially relates to an air purification unit for air runner.

Background

Along with the improvement of production and life quality, more and more people begin to pay attention to the air environment and are influenced by epidemic situations, the attention of people to the indoor air environment of a place where people gather is increased more and more, and the existing purification technology is limited by environment, cost, side effects and the like and cannot completely meet the requirements of people on respiratory health.

Currently, the main purification technologies include purification modes such as photocatalytic purification, UV ultraviolet sterilization purification and ozone disinfection, physical purification modes such as electrostatic dust removal, negative ion purification, HEPA fiber network filtration and active carbon adsorption purification, and technologies such as high-temperature sintering, among which, UV ultraviolet purification is generally effective to bacteria and viruses, but ineffective to particulate matters, VOCs and the like, and a general ultraviolet lamp tube is effective in a short period of use, and needs to be regularly maintained for dust removal if used for a long period of time, and adopts ozone disinfection, so that the ultraviolet lamp tube is generally not suitable for use under the condition of someone (the long-time high-concentration ozone inhalation can stimulate the respiratory mucosa of the person), and has corrosion to rubber products such as sofas, medical rubber gloves, rubber tubes and the like, and has large limitation of use; in the traditional physical purification mode, technologies such as electrostatic dust collection, HEPA fiber net filtration, activated carbon adsorption purification and the like have high purification efficiency on particulate matters, but have poor purification effect on sterilization and disinfection, and the resistance of the whole system is high; the anion purification is often used for reducing the concentration of particulate matters in the air, has no effect on bacteria, viruses and the like, and cannot decompose pollutants, and has the main function of refreshing the air and cannot fundamentally solve the problem of air pollution; the purification method such as high-temperature sintering is generally used for purifying organic matters and the like in industrial treatment, and under the action of high temperature, the organic matters, bacteria, viruses and the like are killed, so that the method is high in cost and only suitable for purifying industrial tail gas.

In other words, the photocatalytic purification method can effectively sterilize and disinfect without generating secondary pollution, and is more environment-friendly compared with other purification methods, but the photocatalytic technology requires the cooperation of a photocatalyst material and an effective light source to trigger, and in addition, the photocatalytic purification method needs to have sufficient contact time to realize high-efficiency purification. The photocatalyst technique that uses at present generally uses with physics purification mode is compound, adopts fiber filter screen and active carbon to purify particulate matter and VOCs and protects subsequent photocatalyst light source and photocatalyst material, because the purifying effect to slight particulate matter is limited, generally all need regularly to change the filter screen, just can guarantee that subsequent photocatalyst material possesses the disinfection effect of disinfecting that lasts.

In traditional photocatalyst purification mode, the velocity of flow of air in the runner is very fast, and the air is not fully contacted with photocatalyst material and is exported promptly, and actual purification efficiency is lower, and in practical application, the composite module that several kinds of technologies are constituteed is installed in the air runner, and the wind speed is higher, generally directly blows photocatalyst material and light source, and is poor to the protectiveness of light source, and the disinfection effect that disinfects is poor, and life is short, only effective in the short-term, and this has just led to photocatalyst purification technology's not before the time of stopping, and the purifying effect is difficult to embody specifically.

Therefore, in order to solve the technical problems of short contact time, small contact area, low purification efficiency, poor protection on a light source, short service life, high cost, frequent maintenance and the like of the air and the photocatalyst material in the existing photocatalytic technology, a purification module which has long service life, can meet daily high-efficiency sterilization and disinfection and solves the defects of the traditional photocatalytic technology needs to be researched.

SUMMERY OF THE UTILITY MODEL

The utility model aims at that air among the traditional photocatalyst purification technology is short with photocatalyst material contact time, area of contact is little, purification unit life is short, it is poor to the protectiveness of light source, purification efficiency is low and use the technical problem such as maintenance cost, an air purification unit for air runner is proposed, contact time and area of contact for prolonging air and photocatalyst material, protect the light source among the photocatalyst purification, purification efficiency is improved, extension purification unit life, reduce and maintain the frequency, promote the popularization of the clear photocatalyst purification technology of environmental protection.

In order to achieve the above object, the utility model provides an air purification unit, its characterized in that: the cyclone module is a plurality of cyclone tubes which are arranged in an array, a flow guide fan blade is arranged on the air inlet side in each cyclone tube, at least part of the inner surface of each cyclone tube is provided with a photocatalyst material layer, an ultraviolet light source is arranged on the air outlet side of each cyclone tube, ultraviolet light emitted by the ultraviolet light source irradiates on the photocatalyst material layer in each cyclone tube, and air is spirally guided out of the cyclone tubes through the flow guide fan blades.

Preferably, the ultraviolet light source is a plurality of ultraviolet lamp beads arranged in an array, and the ultraviolet lamp beads are in one-to-one coaxial correspondence with the cyclone tubes.

Particularly, the cyclone module is assembled with the ultraviolet light source in a modularized manner, the luminous power of the ultraviolet lamp bead is greater than or equal to 5mW, the light-emitting angle is 15-150 degrees, and the wavelength range of ultraviolet light emitted by the ultraviolet light source is 240-420 nm.

Preferably, the inner diameter of the cyclone tube is 10-20 mm, the length of the cyclone tube is 50-100 mm, and the air flow of each cyclone tube is 0.3-2 m³And/h, and the deviation of the air flow in different cyclone tubes is less than or equal to 20 percent.

Preferably, the photocatalyst material layer comprises one or two of a nano zinc oxide coating and a nano titanium dioxide coating.

Preferably, the photocatalyst material layer is fixed in the cyclone tube by coating, spraying or dipping through nano photocatalyst sol.

Particularly, the content of the nano titanium dioxide in the nano photocatalyst sol is 0.5-5%.

Especially, be a plurality of ultraviolet lamp pearl whole that the array was arranged and form the ultraviolet lamp plate, the whirlwind pipe is that the echelonment sets up sealed fixed along the circulation of air direction, just sealed fixed department of whirlwind pipe and the clearance between the ultraviolet lamp plate reduce gradually from outside to inside, and the air flows around from the ultraviolet lamp plate after the sealed fixed department of whirlwind pipe and the clearance between the ultraviolet lamp plate from the whirlwind pipe drainage.

Preferably, the cyclone module is made of a plurality of cyclone tubes sealed and fixed by a ladder mounting frame, and the ends of the adjacent cyclone tubes are aligned.

Preferably, the cyclone module is made of a plurality of cyclone tubes which are sealed and fixed by adopting integral injection molding, and the tail ends of the adjacent cyclone tubes are aligned.

Based on the technical scheme, the utility model has the advantages that:

the utility model discloses a two module combination formula purification of whirlwind module and ultraviolet source, on the one hand, the air forms stable whirlwind when passing through the whirlwind module, and the air is along whirlwind pipe limit wall centrifugal motion, has prolonged the dwell time of air in the whirlwind module greatly, and promoted the abundant contact of air and photocatalyst material layer, under the irradiation of ultraviolet ray, the purification efficiency of whole purification module will improve greatly; on the other hand, the air outlet of the cyclone module is cyclone, and almost no impact force is applied to the axis position of the tail end of the cyclone pipe, so that the ultraviolet light source can be effectively protected; the air purification unit that two modules are constituteed has effectively improved the purification efficiency to the pollutant, and simultaneously, the purification that flows through the air current is carried out in ultraviolet ray deuterogamy photocatalyst material, and is particularly effective to the purification of bacterium, virus and organic matter, improves whole purification unit's purification efficiency greatly.

The utility model discloses a find a new way in addition, effectively solved among the current photocatalysis technique air and photocatalyst material contact time short, area of contact is little, purification efficiency is low, maintain frequent technological problem to the protectiveness of light source is poor, the utility model discloses a purification unit has improved the purification efficiency that photocatalyst purified greatly, has prolonged purification unit's life, has reduced and has maintained the frequency to promote the popularization of the clear photocatalyst purification technology of environmental protection greatly.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

FIG. 1 is a schematic view of an air purification unit;

FIG. 2 is a schematic view of a cyclone module of the air purification unit;

fig. 3 is a schematic view of an air purification unit ultraviolet light source.

Detailed Description

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

The utility model provides an air purification unit, as shown in figure 1, wherein show the utility model discloses a preferred embodiment. The cyclone purification unit comprises a cyclone module 1 which is arranged in an air flow channel against the wind, wherein the cyclone module 1 is a plurality of cyclone tubes 2 which are arranged in an array, the array arrangement is convenient for manufacturing, production and modular assembly, pollutants can be effectively and uniformly purified, the wind speed flowing through the purification module is ensured, a flow guide fan blade is arranged at the air inlet side in each cyclone tube 2, the arranged flow guide fan blade can effectively guide the passing air flow into centrifugal cyclone, at least part of the inner surface of each cyclone tube 2 is provided with a photocatalyst material layer, the arranged photocatalyst material layer is used as a trigger material for sterilizing, disinfecting and purifying organic matters, the purification efficiency of the whole purification unit can be greatly improved, an ultraviolet light source 4 is arranged at the air outlet side of each cyclone tube 2, ultraviolet light emitted by the ultraviolet light source 4 irradiates on the photocatalyst material layer in each cyclone tube 2, and the ultraviolet light source effectively provides energy, the catalytic material is used for purifying, meanwhile, the ultraviolet light source can also effectively purify the whole device to a great extent, and air is spirally guided out of the cyclone tube 2 by the guide fan blades.

As shown in fig. 1, the ultraviolet light sources 4 are a plurality of ultraviolet lamp beads 3 arranged in an array, and the ultraviolet lamp beads 3 are in one-to-one coaxial correspondence with the cyclone tubes 2. The centrifugal force that whirlwind module 1 produced then also can effectively protect the ultraviolet source 4 of axle center position department, can prolong lamp pearl life, and the air purification unit that two modules are constituteed effectively improves the purification efficiency to the pollutant.

Particularly, the cyclone module 1 and the ultraviolet light source 4 are assembled in a modularized manner, the cyclone module 1 and the ultraviolet light source 4 are coaxial modularized units which are arranged in an array manner and correspond to each other, the modularized assembly can be realized, meanwhile, the modularized assembly can also be realized among the formed air purification units, and the purification units are spliced with each other, so that the production and the installation are convenient; the light power of the ultraviolet lamp bead 3 is greater than or equal to 5mW, the light-emitting angle is 15-150 degrees, and the wavelength range of ultraviolet light emitted by the ultraviolet light source 4 is 240-420 nm. The wavelength range of the ultraviolet light is 240 nm-420 nm, the ultraviolet light energy in the range is high, the triggering effect on the photocatalyst material is good, meanwhile, the ultraviolet light in the range has a good killing effect on bacteria and viruses, and microorganisms and the like in the air can be effectively killed under the condition that the air flow rate is slow and the contact is sufficient.

Preferably, the inner diameter of the cyclone tube 2 is 10-20 mm, the length of the cyclone tube 2 is 50-100 mm, and the air flow of each cyclone tube 2 is 0.3-2 m³And the air flow deviation in different cyclone tubes 2 is less than or equal to 20 percent. The flow rate of air flowing through each cyclone tube 2 can be ensured by setting the flow in the cyclone tube 2, the flow deviation is less than or equal to 20 percent, so that the air flow in the cyclone tube 2 is uniform, the air flow in the whole cyclone module 1 is further ensured to be uniform, a uniform air flow field is formed, the contact time of pollutant gas and photocatalyst is prevented from being shortened due to overlarge local air speed, and the purification effect is ensured.

Preferably, the photocatalyst material layer comprises one or two of a nano zinc oxide coating and a nano titanium dioxide coating. Nanometer zinc oxide and nanometer titanium dioxide all are the great photocatalyst material of specific surface area, can effectively carry out air purification as light trigger material, and two kinds of materials can the exclusive use also can the combined use, and when the combined use, general nanometer titanium dioxide coating sets up on nanometer zinc oxide coating upper portion, and purifying effect will promote greatly when the combined use.

Particularly, the content of the nano titanium dioxide in the nano photocatalyst sol is 0.5-5%. The proportion is economical and economical, and the use cost can be reduced while the photocatalyst material layer is ensured to achieve the purification effect.

Preferably, the guide fan blades are arranged in the cyclone tube 2, and the arrangement can effectively guide air to form cyclone with centrifugal force, so that the air is enabled to spirally move along the side wall, the air is fully contacted with the photocatalyst material under ultraviolet light, the spiral movement of the air prolongs the air circulation track, the time of the photocatalyst material contacting with gaseous pollutants and microorganisms is prolonged, the reaction time is further prolonged, and the purification efficiency of the photocatalyst material is further ensured.

Further, as shown in fig. 3, a plurality of ultraviolet lamp beads 3 arranged in an array form an ultraviolet lamp panel. As shown in fig. 1 and 2, the cyclone tubes 2 are arranged and sealed and fixed in a ladder-shaped manner along the air circulation direction, and the gap between the sealed and fixed position of the cyclone tube 2 and the ultraviolet lamp panel is gradually reduced from outside to inside, so as to ensure that a relatively uniform air flow field is formed, and further ensure that the flow velocity in different cyclone tubes 2 is uniform. As shown in fig. 1, the air flows out from the periphery of the ultraviolet lamp panel after being guided out from the cyclone tube 2 through a gap between the sealed fixing part of the cyclone tube 2 and the ultraviolet lamp panel, and the whole air flow field is relatively uniform.

As shown in fig. 2, the cyclone module 1 is made by hermetically fixing a plurality of cyclone tubes 2 through a step-mounting frame, and the ends of adjacent cyclone tubes 2 are aligned, that is, the fixing positions of the cyclone tubes 2 are different, and the ends are flush, so that the installation is convenient. The stepped mounting frame can promote the uniform air flow rate after flowing through the cyclone tube 2, ensure the constant air flow rate between the cyclone module 1 and the ultraviolet light source 4, further ensure the purification effect and protect the ultraviolet light source.

Particularly, the cyclone module 1 is made of a plurality of cyclone tubes 2 which are sealed and fixed by adopting integral injection molding, and the tail ends of the adjacent cyclone tubes 2 are aligned. But cyclone pipe integral type injection moulding makes things convenient for modular production and equipment, can improve the production efficiency of whirlwind module greatly.

The technical principle of the utility model is that:

polluted air is conveyed into the air purification unit through the air flow channel under the action of the power of a fan, and the airflow starts to rotate adherent when the polluted air passes through the cyclone pipe due to the fact that the flow guide fan blades are arranged in the cyclone pipe 2 in the cyclone module. Under the action of the cyclone in the cyclone tube 2, polluted air fully moves spirally attached to the wall, the inner wall of the cyclone tube 2 is provided with a photocatalyst material layer, and under the action of a tail end ultraviolet light source, the polluted air fully contacts with the photocatalyst material layer and triggers catalytic purification; meanwhile, the centrifugal force generated by the cyclone module almost has no impact force on the axis position of the tail end of the cyclone pipe 2, so that the ultraviolet light source can be effectively protected, and the service life of the ultraviolet light source is prolonged.

The clean air after purifying continuously shines via ultraviolet source from 2 terminal flows of whirlwind pipe, flows around from purifying module, because 2 terminal alignments of whirlwind pipe, and the fixed frame of each whirlwind pipe 2 or the integral type frame of moulding plastics with whirlwind pipe 2 are cascaded and arrange, make the air velocity after flowing through whirlwind pipe 2 even, guarantee that air velocity is invariable between whirlwind module 1 and ultraviolet source 4, further guaranteed purifying effect, also protected ultraviolet source simultaneously.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. An air purification unit, characterized in that: the cyclone device comprises a cyclone module (1) arranged in an air flow channel in an upwind manner, wherein the cyclone module (1) is a plurality of cyclone tubes (2) arranged in an array manner, a flow guide fan blade is arranged on the air inlet side in each cyclone tube (2), at least part of the inner surface of each cyclone tube (2) is provided with a photocatalyst material layer, an ultraviolet light source (4) is arranged on the air outlet side of each cyclone tube (2), ultraviolet light emitted by the ultraviolet light source (4) irradiates on the photocatalyst material layer in each cyclone tube (2), and air is spirally guided out through the flow guide fan blade to the cyclone tubes (2).

2. The air purification unit of claim 1, wherein: the ultraviolet light sources (4) are a plurality of ultraviolet lamp beads (3) which are arranged in an array, and the ultraviolet lamp beads (3) are in one-to-one coaxial correspondence with the cyclone tubes (2).

3. The air purification unit of claim 2, wherein: the cyclone module (1) is assembled with the ultraviolet light source (4) in a modularized mode, the luminous power of the ultraviolet lamp bead (3) is larger than or equal to 5mW, the light-emitting angle is 15-150 degrees, and the wavelength range of ultraviolet light emitted by the ultraviolet light source (4) is 240-420 nm.

4. The air purification unit of claim 2, wherein: the inner diameter of the cyclone tube (2) is 10-20 mm, the length of the cyclone tube (2) is 50-100 mm, and the air flow of each cyclone tube (2) is 0.3-2 m³H, and the air flow deviation in different cyclone tubes (2) is less than or equal to 20 percent.

5. The air purification unit of claim 1, wherein: the photocatalyst material layer comprises one or two of a nano zinc oxide coating and a nano titanium dioxide coating.

6. The air purification unit of claim 1, wherein: the photocatalyst material layer is fixed in the cyclone tube by nano photocatalyst sol in a coating, spraying or dipping mode.

7. The air purification unit of claim 6, wherein: the content of the nano titanium dioxide in the nano photocatalyst sol is 0.5 to 5 percent.

8. The air purification unit of claim 4, wherein: a plurality of ultraviolet lamp pearl (3) that are the array and arrange wholly form the ultraviolet lamp plate, whirlwind pipe (2) are the echelonment along the circulation of air direction and set up sealed fixed, just the clearance between the sealed fixed department of whirlwind pipe (2) and the ultraviolet lamp plate reduces gradually from outside to inside, and the air flows all around from the ultraviolet lamp plate after the clearance between the sealed fixed department of whirlwind pipe (2) and the ultraviolet lamp plate from whirlwind pipe (2) outflow.

9. The air purification unit of claim 8, wherein: the cyclone module (1) is formed by hermetically fixing a plurality of cyclone tubes (2) through a step mounting frame, and the tail ends of the adjacent cyclone tubes (2) are aligned.

10. The air purification unit of claim 8, wherein: the cyclone module (1) is formed by sealing and fixing a plurality of cyclone tubes (2) through integral injection molding, and the tail ends of the adjacent cyclone tubes (2) are aligned.