阅读说明：本技术 一种气体辐射消毒用的屏蔽装置和采用该装置的室内气体消毒设备 (Shielding device for gas radiation disinfection and indoor gas disinfection equipment adopting shielding device ) 是由 徐韬 陈健 朱家国 朱良焱 于 2020-05-20 设计创作，主要内容包括：本发明提供一种气体辐射消毒用辐射屏蔽装置及应用其的室内气体辐射消毒设备,辐射屏蔽装置由框架和两组条形板构成,条形板沿框架的边沿顺序排列,两组条形板与框架之间分别各自形成两个夹角,所述两个夹角中有一个为锐角；所述两组条形板在框架上相对分布,两组条形板之间呈相互交错但互不相交状分布；其中一组条形板的第一侧边与另一组条形板之间有距离,其延长线与另一组条形板相交；相邻的条形板间存在气流缝隙,所述流体消毒设备,包括箱体、流体进口、风机、过滤装置、辐射发生器、消毒腔、辐射屏蔽装置、流体出口和电控制装置等,采用上述辐射屏蔽装置的,可广泛应用于流体消毒。(The invention provides a radiation shielding device for gas radiation disinfection and indoor gas radiation disinfection equipment using the same, wherein the radiation shielding device is composed of a frame and two groups of strip-shaped plates, the strip-shaped plates are sequentially arranged along the edge of the frame, two included angles are respectively formed between the two groups of strip-shaped plates and the frame, and one of the two included angles is an acute angle; the two groups of strip-shaped plates are distributed on the frame oppositely, and the two groups of strip-shaped plates are distributed in a mutually staggered and non-intersecting manner; the first side edge of one group of strip-shaped plates is distant from the other group of strip-shaped plates, and the extension line of the first side edge of one group of strip-shaped plates is intersected with the other group of strip-shaped plates; the fluid disinfection equipment comprises a box body, a fluid inlet, a fan, a filtering device, a radiation generator, a disinfection cavity, a radiation shielding device, a fluid outlet, an electric control device and the like, and the radiation shielding device can be widely applied to fluid disinfection.)

1. A shielding device for use in gas radiation sterilization, comprising: the radiation shielding device (100) comprises a frame (103), a first set of strips (101), a second set of strips (102); the two groups of strip-shaped plates (101, 102) are sequentially arranged along the edge of the frame (103), two end parts of each group of strip-shaped plates are fixed on the edge of the frame, two included angles are respectively formed between the first group of strip-shaped plates (101) and the second group of strip-shaped plates (102) and the frame (103), and one included angle is an acute angle; the two groups of strip-shaped plates (101, 102) are distributed on the frame oppositely, and the first group of strip-shaped plates (101) and the second group of strip-shaped plates (102) are distributed in a mutually staggered and non-intersecting manner; a distance is reserved between the first side edge (1011) of the first strip-shaped plate (101) and the second strip-shaped plate (102), and the extension line L1 facing the second strip-shaped plate is intersected with the second strip-shaped plate (102); a distance is reserved between the first side edge (1021) of the second strip-shaped plate (102) and the first strip-shaped plate (101), and an extension line L2 facing the first strip-shaped plate is intersected with the first strip-shaped plate; and an air flow gap is formed between the adjacent strip plates.

2. A shield for use in gas radiation sterilization as defined in claim 1, wherein: the included angle between the strip-shaped plates in the same group and the frame (103) is basically the same.

3. A shield for use in gas radiation sterilization as defined in claim 1, wherein: the strip-shaped plates in the same group are parallel to each other.

4. A shield for use in gas radiation sterilization as defined in claim 1, wherein: the frame (103) is of a triangular or planar polygonal structure, the strip-shaped plates in the same group are sequentially arranged on the frame (103), and the strip-shaped plates and the frame jointly form a planar radiation shielding device.

5. The shield for gas radiation sterilization according to claim 4, wherein: the frame (103) is polygonal in parallel, preferably rectangular or square.

6. A shield for use in gas radiation sterilization as defined in claim 1, wherein: the frame (103) is a cylindrical body, two groups of strip-shaped plates are sequentially arranged on the frame (103), and the strip-shaped plates and the frame jointly form a hollow cylindrical radiation shielding device.

7. The shield for gas radiation sterilization as set forth in claim 6, wherein: the cross section of the frame (103) is circular or oval, two groups of strip-shaped plates are sequentially arranged on the frame (103), two ends of the strip-shaped plates are fixed on the frame, the two groups of strip-shaped plates and the frame (103) form a cylindrical radiation shielding device together, and the cross section of the cylinder is circular or oval.

8. The shield for gas radiation sterilization as set forth in claim 6, wherein: the cross section of the frame (103) is in a curved edge shape, and the strip-shaped plates are sequentially arranged on the frame (103) and form a curved surface-shaped radiation shielding device together with the frame.

9. A shield for use in gas radiation sterilization as defined in claim 1, wherein: the angle of the acute angle formed by the strip-shaped plate and the frame is preferably between 30 and 60 degrees.

10. A shield for use in gas radiation sterilization as defined in claim 1, wherein: the strip-shaped plate is sheet-shaped and has elasticity.

11. The utility model provides an indoor gaseous radiation disinfection equipment, contains and draws together quick-witted box (2), fluid inlet (3), fluid outlet (4), filter equipment (7), radiation generating device (6), disinfection chamber (5), radiation shield assembly (100) and electric control device (9), disinfection chamber (5) set up between fluid inlet (3) and fluid outlet (4), radiation generating device (6) set up in disinfection chamber (5), its characterized in that: the radiation shielding device (100) is a shielding device according to any one of claims 1 to 10, wherein the radiation shielding device (100) is arranged between the fluid inlet (3) and the disinfection chamber (5) or between the fluid outlet (4) and the disinfection chamber (5), or between the fluid inlet and the disinfection chamber and between the fluid outlet and the disinfection chamber.

12. The indoor gas radiation sterilizing apparatus of claim 11, wherein: the radiation generating device (6) is an ultraviolet lamp tube.

Technical Field

The invention relates to a shielding device for gas disinfection, belonging to the field of gas disinfection, in particular to a shielding device for gas radiation disinfection and indoor gas disinfection equipment adopting the shielding device.

Background

Indoor gas such as air contains many microbes such as bacteria and viruses, which cause great inconvenience to our health and industrial production, especially influenza, coronavirus and the like can be transmitted through air, and the virus with strong infectivity seriously harms people's health. Traditional radiation disinfection for indoor gas such as ultraviolet lamp tube disinfection, this sterilization method has the danger that the ray leaks: if strong ultraviolet rays for sterilization are irradiated to the skin surface of a human body, damage to the human body may occur, and therefore, it is necessary to provide a shielding measure for the ultraviolet lamp tube to prevent the ultraviolet rays from leaking out during sterilization to endanger the human body. The existing shielding measures are that a layer of light-tight cloth is arranged at the periphery of an ultraviolet lamp tube to shield ultraviolet rays and prevent the ultraviolet rays from leaking, but the shading effect is not ideal, and the cloth is easy to age and lose efficacy after being irradiated by the ultraviolet rays.

The invention aims to provide a shielding device for gas radiation disinfection, indoor gas disinfection equipment using the radiation shielding device, which prevents radiation from leaking and is radiation-resistant, the gas disinfection equipment using the radiation shielding device can kill microorganisms such as bacteria and viruses in gas without leaking radiation, the use is safe, and the radiation shielding device can be detached and is convenient to clean and replace.

Disclosure of Invention

An object of the present invention is to provide a shield device for gas radiation sterilization which can ensure smooth fluid flow without leakage of rays, and an indoor gas sterilization apparatus using the same.

The technical scheme of the invention is realized as follows: a shielding device for use in gas radiation sterilization, comprising: the radiation shield 100 comprises a frame 103, a first set of strips 101, a second set of strips 102; the two groups of strip-shaped plates 101 and 102 are sequentially arranged along the edge of the frame 103, two end parts of each group of strip-shaped plates are fixed on the edge of the frame, two included angles are respectively formed between the first group of strip-shaped plate 101 and the second group of strip-shaped plate 102 and the frame 103, and one included angle is an acute angle; the two groups of strip-shaped plates 101 and 102 are distributed on the frame oppositely, and the first group of strip-shaped plates 101 and the second group of strip-shaped plates 102 are distributed in a mutually staggered and non-intersecting manner; the first side 1011 of the first strip 101 is separated from the second strip 102, and the extension line L1 of the first side is intersected with the second strip 102; the first side edge 1021 of the second strip 102 is distant from the first strip 101, and the extension line L2 of the second strip intersects with the first strip towards the first strip; and an air flow gap is formed between the adjacent strip plates.

For better technical effect, the technical solution of the first object of the present invention may further specifically include the following technical features:

1. the included angle between the strip-shaped plates and the frame in the same group is basically the same.

2. The strip-shaped plates in the same group are parallel to each other.

3. The frame is of a triangular or plane polygonal structure, strip-shaped plates in the same group are sequentially arranged on the frame, and the strip-shaped plates and the frame jointly form a plane radiation shielding device.

4. The frame is polygonal in parallel, preferably rectangular or square.

5. The frame is a cylindrical body, two groups of strip-shaped plates are sequentially arranged on the frame, and the strip-shaped plates and the frame jointly form the hollow cylindrical radiation shielding device.

6. The cross section of the frame is circular or oval, the two groups of strip-shaped plates are sequentially arranged on the frame, two ends of the two groups of strip-shaped plates are fixed on the frame, the two groups of strip-shaped plates and the frame form a cylindrical radiation shielding device together, and the cross section of the cylinder is circular or oval.

7. Furthermore, the cross section of the frame is in a curved edge shape, and the strip-shaped plates are sequentially arranged on the frame and form a curved radiation shielding device together with the frame.

8. The angle of the acute angle formed by the strip-shaped plate and the frame is preferably between 30 and 60 degrees.

9. The strip-shaped plate is sheet-shaped and has elasticity.

The second purpose of the invention is to provide indoor gas disinfection equipment applying the radiation shielding device provided by the first purpose of the invention, which comprises a box body, a fluid inlet, a fluid outlet, a filtering device, a radiation generating device, a disinfection cavity, a radiation shielding device and an electric control device, wherein the fluid inlet and the fluid outlet are arranged on the box body, the disinfection cavity is arranged between the fluid inlet and the fluid outlet, the filtering device is arranged between the fluid inlet and the disinfection cavity, the radiation generating device is arranged in the disinfection cavity, the radiation shielding device adopts the radiation shielding device in the first purpose of the invention, and the radiation shielding device is arranged between the fluid inlet and the disinfection cavity or between the fluid outlet and the disinfection cavity or between the fluid inlet and the disinfection cavity and between the fluid outlet and the disinfection cavity.

For better technical effect, the technical solution of the first object of the present invention may further specifically include the following technical features:

1. the radiation generating device is an ultraviolet lamp tube.

2. The filtering device is a HEPA high-efficiency filter

The radiation shielding device and the indoor gas disinfection equipment thereof applying the technical scheme of the invention have the following advantages:

1. the ray or light ray emitted by the radiation generating device can not leak, and the use is safe. Two groups of strip-shaped plates of the radiation shielding device are distributed on the frame oppositely, and the first group of strip-shaped plates and the second group of strip-shaped plates are distributed in a mutually staggered and non-intersected manner; the first side edge of the first group of strip-shaped plates is distant from the second group of strip-shaped plates, and the extension line of the first side edge of the first group of strip-shaped plates is intersected with the second group of strip-shaped plates; the first side edge of the second group of strip-shaped plates is distant from the first group of strip-shaped plates, and the extension lines of the first group of strip-shaped plates are intersected with the first group of strip-shaped plates, so that rays or light rays emitted by the radiation generating device can be effectively reflected, the rays or the light rays are prevented from directly emitting to the fluid outlet or the fluid inlet, and the safety of a user is effectively ensured.

2. According to the invention, airflow gaps are reserved between adjacent strip-shaped plates, and the strip-shaped plates are not intersected with each other, so that airflow circulation is smoother, resistance is smaller, gas circulation treatment capacity in unit time is effectively improved, and the device is energy-saving and environment-friendly;

3. in the invention, gaps are reserved between the adjacent strip-shaped plates in the same group as the fluid channel, and gaps are reserved between the strip-shaped plates in different groups, so that the gas circulation resistance is greatly reduced, the gas entering the gas disinfection equipment flows more smoothly, and the treatment capacity of the gas disinfection equipment is further improved.

4. The strip-shaped plate is flaky, elastic, bendable and easy to produce and manufacture, greatly reduces the difficulty and the process requirements of manufacture, installation and maintenance, and effectively reduces the cost.

5. The filtering device arranged on the indoor gas disinfection equipment can filter impurities and peculiar smell, protect the radiation generator, prevent dirt from depositing on the radiation generator and reduce the cleaning times of the radiation generator;

6. by applying the radiation shielding device, the radiation generating device can be prevented from directly irradiating the filtering device, and the service life of the filtering device can be prolonged;

7. the system has reasonable design, simple structure, small resistance and large air volume.

Description of the drawings:

the present invention will be described in detail with reference to the accompanying drawings

FIG. 1 is a schematic view of one embodiment of a radiation shield of the present invention

In which figure 1 is a general schematic view of one embodiment of a radiation shield, object of the present invention

FIG. 2 is a front view of FIG. 1

FIG. 3 is a view taken along line A-A of FIG. 2

FIG. 4 is an enlarged view of a portion B of the radiation shield of FIG. 3 and a schematic view of the gas flow

In fig. 1-4, 100 is a radiation shielding device, 101 is a first strip, 1011 is a first side of the first strip, 1022 is a second strip, 1021 is a first side of the second strip, 103 is a frame, L1 is an extension line of the first strip 101 toward the second strip 102, and L2 is an extension line of the second strip 102 toward the second strip 101. The angle 1 and the angle 2 are two included angles between the first group of strip plates 101 and the frame 103, and the angle 3 and the angle 4 are two included angles between the second group of strip plates 102 and the frame 103.

FIG. 5 is a schematic view of a first embodiment of an indoor gas sterilizing apparatus using a radiation shield according to the present invention

FIG. 6 is an exploded view of the indoor air sterilizing and purifying apparatus shown in FIG. 5

In fig. 5-6, 1 is an indoor gas radiation shielding and sterilizing apparatus, 100 is a radiation shielding device, 2 is a cabinet, 21 is a frame, 22 is a side plate, 23 is an upper cover, 24 is a bottom plate, 3 is a fluid inlet, 4 is a fluid outlet, 5 is a sterilizing chamber, 51 is a sterilizing chamber side plate, 6 is a radiation generating device, 7 is a filtering device, 8 is a fan, 9 is an electrical control device, 10 is an operation panel, 11 is a moving device, and 12 is a louver opening.

The specific implementation mode is as follows:

example one

Embodiment one embodiment of a radiation shield for the purposes of the present invention

As shown in fig. 1 to 4, in this embodiment, the radiation shielding apparatus 100 is composed of a frame 103 and two sets of strip-shaped plates 101 and 102, in this embodiment, the frame 103 is a rectangular structure, two opposite side edges of the frame 103 are respectively provided with a plurality of strip-shaped plate installation slots, the strip-shaped plates 101 and 102 are sequentially arranged along the edge of the frame 103, two respective end portions of the strip-shaped plates are fixed on the edge of the frame, two included angles are respectively formed between the first set of strip-shaped plates 101 and the frame and between the second set of strip-shaped plates 102 and the frame, and one of the two included angles is an acute angle; the two groups of strip-shaped plates 101 and 102 are distributed on the frame oppositely, and the first group of strip-shaped plates 101 and the second group of strip-shaped plates 102 are distributed in a mutually staggered and non-intersecting manner; the first side 1011 of the first strip 101 is separated from the second strip 102, and the extension line L1 of the first side is intersected with the second strip 102; the first side edge 1021 of the second strip 102 is distant from the first strip 101, and the extension line L2 of the second strip intersects with the first strip towards the first strip; and an air flow gap is formed between the adjacent strip plates.

In this embodiment, the first group of strip-shaped plates 101 and the frame 103 form two included angles which are respectively ≤ 1 and ≤ 2, and the second group of strip-shaped plates 102 and the frame 103 form two included angles which are respectively ≤ 3 and ≤ 4. Wherein angle 1 and angle 3 are acute angles, and angle 2 and angle 4 are obtuse angles.

In the above embodiment, the two ends of the strip-shaped plate are fixed on the frame, and the strip-shaped plate can play a supporting role, so that the connecting piece between the edges of the frame where the two ends of the strip-shaped plate are located is replaced by the strip-shaped plate, the frame is simplified into two flat plates which are placed in parallel, and the strip-shaped plate is sequentially arranged on the frame in parallel and forms a rectangular radiation shielding device together with the planar frame;

for easy installation, the included angle between the strip-shaped plates in the same group and the frame is basically the same, and preferably, the strip-shaped plates in the same group are parallel to each other in the embodiment.

Preferably, the angle of the acute angle formed by the strip-shaped plate and the frame is preferably between 30 degrees and 60 degrees.

Preferably, the strip-shaped plate is sheet-shaped, has elasticity, and is convenient to manufacture, install and maintain.

In this embodiment, the frame has a rectangular structure, and in practical application, the frame may have a planar triangular structure, a planar polygonal structure, or a three-dimensional structure according to practical situations.

For example, the frame 103 may be a cylinder with a cross section in the shape of a regular polygon or an irregular polygon, and two sets of strips are arranged in sequence on the frame 103, and the strips and the frame together form a hollow cylinder radiation shield, and the cross section of the cylinder is in the shape of a regular polygon or an irregular polygon.

Or, the cross section of the frame 103 is circular or elliptical, two groups of strip-shaped plates are sequentially arranged on the frame 103, two ends of the two groups of strip-shaped plates are fixed on the frame, and the two groups of strip-shaped plates and the frame 103 form a cylindrical radiation shielding device together, and the cross section of the cylinder is circular or elliptical.

Or, the cross section of the frame 103 is curved, and two groups of strip-shaped plates are sequentially arranged on the frame to form a curved radiation shielding device together with the frame.

In the invention, gaps are reserved between the adjacent strip-shaped plates in the same group as the fluid channel, and gaps are reserved between the strip-shaped plates in different groups, so that the gas circulation resistance is greatly reduced, the gas entering the gas disinfection equipment flows more smoothly, and the treatment capacity of the gas disinfection equipment is further improved.

Example two

Second embodiment is an embodiment of a radiation shielding sterilizing apparatus for indoor gas of the second object of the present invention

As shown in fig. 5 and 6, 1 is an indoor gas radiation shielding and sterilizing apparatus, 100 is a radiation shielding device, 2 is a cabinet, 21 is a frame, 22 is a side plate, 23 is an upper cover, 24 is a bottom plate, 3 is a fluid inlet, 4 is a fluid outlet, 5 is a sterilizing chamber, 51 is a sterilizing chamber side plate, 6 is a radiation generating device, in this embodiment, an ultraviolet lamp, 7 is a filtering device, 8 is a fan, 9 is an electrical control device, 10 is an operation panel, 11 is a moving device, and 12 is a louver opening.

The indoor gas radiation shielding and sterilizing equipment 1 comprises a case 2, a fluid inlet 3, a filtering device 7, a radiation generating device, namely an ultraviolet lamp 6, a radiation shielding device 100, a fan 8, a fluid outlet 4, an electric control device 9, an operation panel 10 and a moving device 11.

Wherein the case 2 is composed of a frame 21, a side plate 22, an upper cover 23 and a bottom plate 24, the radiation shielding device 100 is arranged on the cross section of the frame 21 to divide the frame 21 into an upper part and a lower part, the upper part of the case 2 is defined by the frame 21, the side plate 22, the upper cover and the radiation shielding device 100 to form a cavity as an air supply cavity, the lower part of the case 2 is defined by the frame 21, the side plate 22, the bottom plate 24 and a disinfection cavity side plate 51 to form an air inlet cavity, a fluid inlet 3 is arranged on the disinfection cavity side plate 51, a filtering device 7 is embedded between upright posts of the lower part of the frame 21, the effective filtering surface of the filtering device 7 is opposite to the position of the fluid inlet 3 of the disinfection cavity side plate 51, the inner wall of the filtering device 7, the bottom plate 24 and the upright posts together define a cavity with closed side surface and bottom as a disinfection cavity 5, three ultraviolet lamps 6 are arranged on the bottom plate 24 in the disinfection cavity along the longitudinal direction of the frame 21, the side plate 51 of the disinfection chamber is detachable and connected with the case 2 by fastening devices such as screws. The ultraviolet lamp tube 6 and the filter device 7 can be conveniently replaced by disassembling the side plate 51 of the disinfection chamber.

The radiation shielding device 100 is composed of a frame 103 and two groups of strip-shaped plates 101 and 102, in this embodiment, the frame 103 is a rectangular structure, two opposite side edges of the frame 103 are respectively provided with a plurality of strip-shaped plate installation grooves, the strip-shaped plates 101 and 102 are sequentially arranged along the edge of the frame 103, two respective end portions of the strip-shaped plates are fixed on the edge of the frame, two included angles are respectively formed between the first group of strip-shaped plates 101 and the second group of strip-shaped plates 102 and the frame, and one of the two included angles is an acute angle; the two groups of strip-shaped plates 101 and 102 are distributed on the frame oppositely, and the first group of strip-shaped plates 101 and the second group of strip-shaped plates 102 are distributed in a mutually staggered and non-intersecting manner; the first side 1011 of the first strip 101 is separated from the second strip 102, and the extension line L1 of the first side is intersected with the second strip 102; the first side edge 1021 of the second strip 102 is distant from the first strip 101, and the extension line L2 of the second strip intersects with the first strip towards the first strip; and an air flow gap is formed between the adjacent strip plates.

Through the obstruction of the radiation shielding device, the rays or light rays emitted by the radiation generating device 6 cannot leak, and the use is safe. Two groups of strip-shaped plates of the radiation shielding device are distributed on the frame oppositely, and the first group of strip-shaped plates and the second group of strip-shaped plates are distributed in a mutually staggered and non-intersected manner; the first side edge of the first group of strip-shaped plates is distant from the second group of strip-shaped plates, and the extension line of the first side edge of the first group of strip-shaped plates is intersected with the second group of strip-shaped plates; the first side edge of the second group of strip-shaped plates is distant from the first group of strip-shaped plates, and the extension lines of the first group of strip-shaped plates are intersected with the first group of strip-shaped plates, so that rays or light rays emitted by the radiation generating device can be effectively reflected, the rays or the light rays are prevented from directly emitting to the fluid outlet or the fluid inlet, and the safety of a user is effectively ensured.

According to the invention, airflow gaps are reserved between adjacent strip-shaped plates, and the strip-shaped plates are not intersected with each other, so that airflow circulation is smoother, the circulation resistance of gas is greatly reduced, the circulation treatment capacity of gas disinfection equipment is effectively improved, and the gas disinfection equipment is energy-saving and environment-friendly.

The filtering device 7 is sequentially provided with a pre-filtering layer and an active carbon filtering layer from outside to inside along the sequence of contact with the airflow, the pre-filtering layer is used for dust removal, the pre-filtering layer can be made of coarse filtering layers such as sponge, silk screen and fiber layer, and the active carbon filtering layer can eliminate peculiar smell.

Preferably, the filtering device 7 is a HEPA high efficiency filter.

The upper cover 23 is installed above the cabinet 2, the fluid outlet 4 is installed on the upper cover 23 at the top of the frame 21, preferably, the louver opening 12 capable of changing wind direction is installed on the upper cover 23 corresponding to the position of the fluid outlet 4, and the wind outlet direction of the purifying device of the present scheme can be changed by changing the orientation of the louver opening 12.

The operating panel 10 is embedded in the upper cover 23 and the electrical control device 11 is mounted on top of the housing, either in the bottom plate 24 of the disinfection chamber or integrated with the operating panel in the upper cover 23 or elsewhere. The fan 48 is mounted above the radiation shield 100 and protected by the upper cover 23, and the moving device 11 is mounted to the bottom of the base plate 24 for easy movement.

The working principle of the circulating air ultraviolet air disinfection and purification equipment is as follows: after the electric switch is switched on, the ultraviolet lamp 6 and the fan 8 start to work, negative pressure is formed inside the disinfection chamber 5, at the moment, outside air enters from the fluid inlet 3, enters the disinfection chamber 5 after being filtered by the filtering device 7, then flows into the fan 8 along an air flow channel between the strip-shaped plates on the radiation shielding device 100 at the top of the disinfection chamber after being disinfected by ultraviolet rays, and is discharged from the louver opening 12 through the fluid outlet 4.

The cross section of the frame 21 in this embodiment is square, and the cross section may be a non-square shape such as a circle, a hexagon, a triangle, etc., which may be regular or irregular.

The air is firstly dedusted and filtered by active carbon and then is discharged after being disinfected by ultraviolet rays, so that the disinfection process is longer. The dust removal and sterilization effect is good, and the mode of lower air inlet and upper air outlet is adopted, so that the indoor air forms a large circulation, dead angles are reduced, the sterilization effect is improved, and if necessary, a filtering device can be additionally arranged in front of a fluid outlet to perform secondary filtration on the air outlet.

The radiation shielding device of the technical scheme can be used in a radiation disinfection device and can also be used as a radiation shielding device in other application fields, the provided ultraviolet air disinfection and purification equipment can effectively kill microorganisms such as bacteria and viruses, is light-tight, is convenient to install and maintain, is safe to use, can be widely applied to indoor air disinfection and purification treatment in houses, hospitals, hotels, schools and the like, improves the air quality, reduces the spread of diseases and is beneficial to health.