CN219943241U - Centrifugal device - Google Patents

Abstract

The utility model relates to a centrifugal device, which comprises a container, a centrifugal turntable rotatably arranged in the container, a driving component connected to the centrifugal turntable and used for driving the centrifugal turntable to rotate, a feeding module with a feeding port positioned above the centrifugal turntable and used for feeding the centrifugal turntable, a discharging module communicated with the container and used for discharging, and an ultraviolet lamp arranged in the container and positioned above the centrifugal turntable, wherein the upper surface of the centrifugal turntable is a plane parallel to a horizontal plane and can receive feed liquid, and a gap is reserved between the centrifugal turntable and the container. According to the centrifugal device, the rotation speed of the centrifugal rotary table is controlled, so that the feed liquid can be flattened on the centrifugal rotary table, the uniformity of the thickness of the liquid level is ensured, and the uniformity of feed liquid disinfection is improved; the centrifugal device can feed and discharge simultaneously, and is high in efficiency.

Description

Centrifugal device

Technical Field

The utility model relates to the technical field of centrifugal devices, in particular to a centrifugal device capable of centrifuging biological products and inactivating microorganisms.

Background

Compared with other sterilization methods, the ultraviolet irradiation method has the advantages of broad spectrum, high efficiency, no secondary pollution, convenient operation and the like, and in order to achieve a better microorganism inactivation effect, researchers adopt ultraviolet irradiation and centrifugation to inactivate viruses, specifically, biological samples are enabled to form a thin layer in a centrifugation device by making the biological samples perform centrifugal movement in the centrifugation device, and biological products can be inactivated by the ultraviolet irradiation thin layer.

For example CN 218132575U discloses a centrifugal device, comprising a first container, a second container, a driving assembly, a feeding module and a discharging module, wherein the second container comprises a body rotatably arranged in the first container, a cover arranged above the body and an ultraviolet lamp, a liquid outlet or a gap is arranged between the cover and the body, the body is communicated with the first container through the liquid outlet or the gap, the driving assembly is connected with the body and is used for driving the body to rotate, the feeding module is communicated with the body and is used for introducing a sample into the body, and the discharging module is communicated with the first container and is used for discharging. The body is rotated to throw the material liquid processed in the body out to the first container through the liquid outlet or the gap, then the material is discharged through the discharging module, and meanwhile, the material liquid to be processed is introduced into the body through the feeding module, so that the feeding and the discharging can be simultaneously carried out. However, this centrifugal device has a problem that the liquid surface thickness is not uniform, the lower part is thick and the upper part is thin, and the ultraviolet lamp tube is closer to the upper liquid, so that the problem of uneven sterilization of the biological liquid is likely to occur.

Disclosure of Invention

The utility model aims to provide a novel centrifugal device, which can improve the uniformity of the liquid level thickness and ensure the uniformity of feed liquid disinfection through the design of a centrifugal turntable.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a centrifugal device, includes the container, rotationally sets up centrifugal revolving stage in the container, connect centrifugal revolving stage is last and be used for the drive centrifugal revolving stage pivoted actuating assembly, the dog-house is located centrifugal revolving stage top and be used for giving centrifugal revolving stage feed module, with the container is linked together and be used for the ejection of compact module and setting are in the container and be located centrifugal revolving stage top ultraviolet lamp, centrifugal revolving stage's upper surface is parallel to the plane of horizontal plane and can receive the feed liquid, centrifugal revolving stage with the clearance has between the container, centrifugal revolving stage's upper surface is circular, centrifugal revolving stage's external diameter from bottom to top reduces gradually, feed module includes and stretches into with the feed pipe in the container, installs peristaltic pump on the feed pipe and be located centrifugal revolving stage just top the cloth liquid pipe, the cloth liquid pipe is linked together with centrifugal revolving stage's periphery side is close to centrifugal revolving stage has seted up and has been used for the play liquid hole group, centrifugal revolving stage upper surface is circular, centrifugal revolving stage's external diameter gradually reduces with the feed liquid source, the centrifugal revolving stage is connected with the drive and can rotate coaxial rotating shaft, and the rotation axis is used for the rotation.

The centrifugal device ensures the uniformity of the liquid level thickness through the design of the centrifugal turntable, thereby improving the uniformity of feed liquid disinfection; the centrifugal device can feed and discharge simultaneously, and has high efficiency; according to the centrifugal device, the outer periphery side of the centrifugal turntable is provided with the guide inclined plane which is inclined downwards and has a guide effect, so that feed liquid on the upper surface of the centrifugal turntable can be guided to fall after flowing through the guide inclined plane, and the centrifugal turntable is not polluted after backflow.

Preferably, the centrifugal turntable comprises a turntable body and a coating with an antifouling function, wherein the coating is coated on the turntable body.

Further preferably, the thickness of the coating is 1 to 50nm, still further preferably 10 to 30nm, for example 10nm, 15nm, 20nm, 25nm or 30nm.

In some embodiments, the coating is polyethylene glycol. Of course, polymeric antifouling coating materials such as epoxy-based zwitterionic polymers are equally suitable for use in the present utility model.

In some embodiments, the turntable body is made of stainless steel or ceramic, such as 304 stainless steel, 316L stainless steel, or stainless steel coated with HALAR powder coating.

Preferably, the liquid outlet hole group is provided with a group or a plurality of groups sequentially arranged along the up-down direction, and each group of liquid outlet hole group comprises a plurality of liquid outlet holes sequentially arranged at equal intervals around the periphery of the liquid distribution pipe.

In some embodiments, the liquid outlet hole is a circular hole or a bar-shaped hole, and when the liquid outlet hole is a circular hole, the diameter of the circular hole is 0.1-5 mm, preferably 0.2-2 mm; when the liquid outlet hole is a strip-shaped hole, the length of the strip-shaped hole is 0.5-8 mm, preferably 1-3 mm, and the height of the strip-shaped hole is 0.1-2 mm, preferably 0.2-0.5 mm.

Preferably, the liquid distribution pipe is connected to the centrifugal turntable and is coaxial with the centrifugal turntable. The liquid distribution pipe is connected to the centrifugal turntable, so that the liquid distribution pipe rotates along with the centrifugal turntable.

In some embodiments, the ratio of the outer diameter of the liquid distribution pipe to the diameter of the upper surface of the centrifugal turntable is (0.05-0.3): 1, more preferably (0.15 to 0.25): 1.

preferably, the feeding pipeline is located above the liquid distribution pipe, and one end of the feeding pipeline extends into the liquid distribution pipe.

Preferably, the container comprises a cylinder and a cover arranged on the cylinder, the ultraviolet lamp is connected to the cover through a connecting piece, and the length direction of the ultraviolet lamp is parallel to the upper surface of the centrifugal turntable.

Further preferably, the number of the ultraviolet lamps is at least two, and the distance from each ultraviolet lamp to the centrifugal turntable is equal, when the number of the ultraviolet lamps is two, the two ultraviolet lamps are parallel to each other and are positioned right above two opposite sides of the centrifugal turntable; when the ultraviolet lamps are more than two, the ultraviolet lamps are connected end to end and are enclosed to form a regular polygon, and the regular polygon is positioned right above the centrifugal turntable.

Still further preferably, both ends of the ultraviolet lamp protrude from or are flush with the upper surface of the centrifugal turntable in a vertical direction.

Preferably, the distance from the ultraviolet lamp to the centrifugal turntable is 5-100 mm, more preferably 10-50 mm, for example 10mm, 20mm, 30mm, 40mm or 50mm.

In some embodiments, the connector is a traction cable capable of being energized.

Preferably, the container comprises a cylinder, the bottom of the cylinder is provided with a slope surface which is obliquely arranged from top to bottom, and the discharging module is connected to the bottom of the slope surface.

Further preferably, the included angle between the slope surface and the horizontal plane is 30-60 degrees, and even further preferably 35-55 degrees.

Preferably, the inner side wall of the cylinder is coated with a reflective coating.

Preferably, the centrifugal device further comprises a control console, a thermometer, a hygrometer, an ultraviolet detector and a temperature control dehumidifier, wherein the container and the driving assembly are arranged on the control console, a display screen capable of displaying the temperature, the humidity and the power of the ultraviolet lamp in the container and a button or a knob for controlling the thermometer, the hygrometer, the ultraviolet detector, the temperature control dehumidifier, the ultraviolet lamp and the driving assembly are further arranged on the control console, and the thermometer, the hygrometer, the ultraviolet detector and the temperature control dehumidifier are respectively arranged on the container.

Further preferably, the thermometer, hygrometer, ultraviolet detector and temperature controlled dehumidifier are mounted on the lid of the container, respectively.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the centrifugal device, the rotation speed of the centrifugal turntable can be controlled, so that the feed liquid is flattened on the centrifugal turntable, and the design of the centrifugal turntable ensures the uniformity of the thickness of the liquid level, so that the uniformity of feed liquid disinfection is improved; the centrifugal device can feed and discharge simultaneously, and has high efficiency.

Drawings

FIG. 1 is a schematic view showing the structure of a centrifugal apparatus in example 1;

FIG. 2 is a rear view of the centrifugal apparatus in example 1;

FIG. 3 is a right side view of the centrifugal apparatus in example 1;

fig. 4 is a bottom view of the cover in embodiment 1;

fig. 5 is a schematic structural view of a liquid distribution pipe in embodiment 1;

fig. 6 is a schematic structural view of a strip-shaped hole in example 1;

wherein: 1. a cylinder; 11. a slope; 12. a sample outlet;

2. a cover; 21. a cover hole; 22. a traction rope fixing frame;

3. a centrifugal turntable; 31. an upper surface; 32. a guide slope; 33. a fixed shaft;

4. an ultraviolet lamp;

51. a feed conduit; 52. a peristaltic pump; 53. a liquid distribution pipe; 531. a liquid outlet hole;

6. a discharge pipe;

71. a rotating shaft; 72. a motor; 73. a damper;

8. a console; 81. a display screen; 82. an ultraviolet lamp switch; 83. a thermometer switch; 84. a hygrometer switch; 85. an ultraviolet detector switch; 86. the ultraviolet light emphasizes the knob; 87. a humidity adjusting knob; 88. a temperature adjusting knob; 89. a rotation speed adjusting knob;

9. a traction rope;

101. a hygrometer; 102. an ultraviolet detector; 103. a thermometer; 104. a temperature-controlled dehumidifier.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings.

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present utility model, it is to be understood that the terms "upper", "lower", etc. are based on the orientation or positional relationship shown in fig. 1, for example, the cover 2 is located at "upper" and the console 8 is located at "lower".

In describing embodiments of the present utility model, it should be understood that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In embodiments of the utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present utility model.

Example 1

As shown in fig. 1 to 3, a centrifugal apparatus includes a container, a centrifugal turntable 3 rotatably provided in the container, a driving assembly connected to the centrifugal turntable 3 for driving the centrifugal turntable 3 to rotate, a feeding module for feeding the centrifugal turntable 3, a discharging module communicated with the container and for discharging, and an ultraviolet lamp 4 located above the centrifugal turntable 3.

The upper surface 31 of the centrifugal turntable 3 can receive feed liquid, is a plane parallel to the horizontal plane, and when the centrifugal turntable 3 rotates at a certain rotation speed, the feed liquid on the centrifugal turntable 3 can be flattened on the centrifugal turntable 3, the thickness of the liquid level is uniform, and the uniformity of ultraviolet sterilization is ensured; when the centrifugal turntable 3 rotates at a greater rotational speed, the feed liquid is more easily moved away from the centrifugal turntable 3 by centrifugal force without being left on the upper surface 31 to cause excessive sterilization. A gap is formed between the centrifugal turntable 3 and the container, so that the material liquid can flow into the container from the gap and then be discharged while the centrifugal turntable 3 is convenient to rotate.

In order to prevent the feed liquid from remaining, the centrifugal turntable 3 is provided with a coating layer with an antifouling function. Specifically, the centrifugal turntable 3 comprises a turntable body and a coating coated on the turntable body, wherein the coating is preferably polyethylene glycol, and the thickness of the coating is 1-50 nm, preferably 10-30 nm. The turntable body is made of stainless steel or ceramic, such as 304 stainless steel, 316L stainless steel or stainless steel sprayed with HALAR powder coating.

Further, the outer diameter of the centrifugal turntable 3 is gradually reduced from bottom to top, and thus, a guiding inclined surface 32 with guiding function is formed on the outer circumference side of the centrifugal turntable 3 in a downward inclined manner, so that the feed liquid on the upper surface 31 of the centrifugal turntable 3 can be guided to flow through the guiding inclined surface 32 and fall down, and the centrifugal turntable 3 is not polluted after backflow.

The upper surface 31 of the centrifugal turntable 3 is preferably circular, and the upper surface 31 of the circular structure further ensures the uniformity of feed liquid sterilization. The diameter of the upper surface 31 of the centrifugal turntable 3 is 200 to 2000mm, more preferably 500 to 1000mm. The bottom of the centrifugal turntable 3 also has a fixed shaft 33 coaxial therewith.

The feed module includes a feed conduit 51, peristaltic pump 52 and a liquid distribution tube 53. Wherein a peristaltic pump 52 is arranged on the feeding pipeline 51 and is used for conveying feed liquid; the feed pipe 51 is connected with a feed liquid source, one end of the feed pipe extends into the container and is connected with the liquid distribution pipe 53, and the liquid distribution pipe 53 is positioned right above the centrifugal turntable 3. Specifically, the liquid distribution pipe 53 is coaxial with the centrifugal turntable 3 and is connected to the centrifugal turntable 3 and rotates together with the centrifugal turntable 3, the feeding pipe 51 is located above the liquid distribution pipe 53, one end of the feeding pipe extends into the liquid distribution pipe 53, a liquid outlet group (namely, a feed inlet) for discharging liquid is formed on the peripheral side of one end (namely, the bottom) of the liquid distribution pipe 53, which is close to the centrifugal turntable 3, and the liquid can flow from the liquid outlet group to the upper surface 31 of the centrifugal turntable 3.

The liquid outlet hole group has one group or a plurality of groups sequentially arranged in the up-down direction, preferably 1 to 5 groups, and more preferably 1 to 3 groups. Each group of liquid outlet hole group comprises a plurality of liquid outlet holes 531 which are sequentially arranged at equal intervals around the periphery of the liquid distribution pipe 53, when the centrifugal turntable 3 rotates, liquid in the liquid distribution pipe 53 flows out of the liquid outlet holes 531 and uniformly thins on the upper surface 31 of the centrifugal turntable 3 along with the rotation of the centrifugal turntable 3, the flow speed is controlled by the rotation speed and the aperture of the liquid outlet holes 531, different apertures are selected according to different types of the liquid, and the liquid is ensured to smoothly flow out, be killed uniformly and simultaneously not to be accumulated on one side of the centrifugal device to cause damage of a centrifugal bearing. As a preferable example, the liquid outlet hole 531 is a circular hole (see fig. 5) or a bar-shaped hole (see fig. 6), and when the liquid outlet hole 531 is a circular hole, the diameter of the circular hole is 0.1 to 5mm, preferably 0.2 to 2mm; when the liquid outlet hole 531 is a bar hole, the length of the bar hole is 0.5-8 mm, preferably 1-3 mm, and the height is 0.1-2 mm, preferably 0.2-0.5 mm. In this embodiment, referring to fig. 5, the liquid outlet holes are a group, and the liquid outlet holes 531 are circular holes.

The ratio of the diameters of the liquid distribution pipe 53 and the upper surface 31 of the centrifugal turntable 3 is (0.05-0.3): 1, preferably (0.15 to 0.25): 1.

the container comprises a cylinder 1 and a cover 2 arranged on the cylinder 1. The bottom of the cylinder body 1 is provided with a slope surface 11 which is obliquely arranged from top to bottom, the discharging module is connected with the slope bottom of the slope surface 11, specifically, the slope bottom of the slope surface 11 is provided with a sample outlet 12, a discharging pipeline 6 in the discharging module is connected with the sample outlet 12, and an electromagnetic valve is connected to the discharging pipeline 6 and used for controlling sample discharging. The feed liquid is generally a biological product, has certain viscosity, and can automatically flow to the slope bottom under the action of gravity by arranging the slope surface 11, so that the problem of difficult discharge of the feed liquid caused by accumulation of the feed liquid and adhesion of impurities such as protein is solved. The angle between the slope 11 and the horizontal plane is preferably 30 to 60 degrees, more preferably 35 to 55 degrees.

In order to further prevent the adhesion of the feed liquid, the slope 11 is coated with a coating layer with an antifouling function, and the thickness and the material of the coating layer refer to the coating layer in the centrifugal turntable 3, and no description is repeated here. In addition, the inner side wall of the cylinder 1 is also coated with a reflective coating, which may be referred to the prior art, without specific limitation. The inner diameter of the cylinder 1 is larger than the maximum outer diameter of the centrifugal turntable 3, and can be specifically designed according to actual requirements, and the utility model is not particularly limited.

Referring to fig. 4, the lid 2 is provided with a lid hole 21, and one end of the feed pipe 51 extends into the container through the lid hole 21. Also connected to the cover 2 are an ultraviolet lamp 4 and optionally a hygrometer 101, an ultraviolet detector 102, a thermometer 103 and a temperature-controlled dehumidifier 104.

The ultraviolet lamp 4 is preferably a straight lamp tube, the manufacturing cost of the straight ultraviolet lamp 4 is lower, the tube wall strength is higher, the ultraviolet radiation strength and the dose can be higher under the condition of the same wattage and the same distance, and the maintenance cost is lower. The ultraviolet lamp 4 is connected to the cover 2 through a connecting piece, the length direction of the connecting piece is parallel to the upper surface 31 of the centrifugal turntable 3, the connecting piece can be, for example, a traction rope 9 capable of being electrified, specifically, one end of the traction rope 9 is connected to the cover 2 through a traction rope fixing frame 22, the other end of the traction rope is connected to the ultraviolet lamp 4, and two ends of the ultraviolet lamp 4 are respectively connected with the traction rope 9.

The ultraviolet lamps 4 are at least two, and the distance from each ultraviolet lamp 4 to the centrifugal turntable 3 is equal, when the number of the ultraviolet lamps 4 is two, the two ultraviolet lamps 4 are parallel to each other and are positioned right above two opposite sides of the centrifugal turntable 3. When the ultraviolet lamps 4 are greater than two, the ultraviolet lamps 4 are connected end to form a regular polygon, for example, when the ultraviolet lamps 4 are three, a regular triangle is formed by surrounding, when the ultraviolet lamps 4 are four, a square is formed by surrounding, and when the ultraviolet lamps 4 are five, a regular pentagon is formed by surrounding. The regular polygon is located right above the centrifugal turntable 3, and the projection of the center of the regular polygon on the horizontal plane coincides with the axis of the centrifugal turntable 3. In this embodiment, there are two ultraviolet lamps 4, and the two ultraviolet lamps 4 are respectively located right above the left and right sides of the centrifugal turntable 3.

Further, the two ends of the ultraviolet lamp 4 protrude from the upper surface 31 of the centrifugal turntable 3 or are flush with the upper surface 31 of the centrifugal turntable 3 in the vertical direction, so that the irradiation area of the ultraviolet lamp 4 is larger than or equal to the upper surface 31 of the centrifugal turntable 3, and the full light coverage of the upper surface 31 is realized.

The distance from the ultraviolet lamp 4 to the centrifugal turntable 3 is 5 to 100mm, and more preferably 10 to 50mm.

The driving assembly comprises a rotating shaft 71 connected with the centrifugal turntable 3 and capable of driving the centrifugal turntable 3 to rotate, and a motor 72 connected with the rotating shaft 71 and used for driving the rotating shaft 71 to rotate, wherein the rotating shaft 71 is coaxial with the centrifugal turntable 3, the rotating shaft 71 is inserted on a fixed shaft 33 at the bottom of the centrifugal turntable 3, and the centrifugal turntable 3 is driven to rotate through rotation of the rotating shaft 71. In order to reduce the vibration amplitude during centrifugation, a damper 73 is further provided below the motor 72.

The centrifugal device further comprises a control console 8, a container, a driving component and a shock absorber 73 are arranged on the control console 8, and a display screen 81 capable of displaying the temperature, the humidity and the power of the ultraviolet lamp 4 in the container and buttons or knobs for controlling the thermometer 103, the hygrometer 101, the ultraviolet detector 102, the temperature-control dehumidifier 104, the ultraviolet lamp 4 and the driving component are respectively a thermometer switch 83, a hygrometer switch 84, an ultraviolet detector switch 85, a humidity adjusting knob 87, a temperature adjusting knob 88, an ultraviolet lamp switch 82, an ultraviolet light emphasizing adjusting knob 86 and a rotating speed adjusting knob 89 are further arranged on the control console 8. By the arrangement of the temperature control dehumidifier 104, the low temperature inside the device can be maintained so as to maintain the good activity of the biological sample; through the arrangement of the dehumidifier, the ultraviolet lamp can dehumidify in time, and the outer wall of the ultraviolet lamp 4 is prevented from being hung with condensed water drops, so that the ultraviolet light transmittance and the virus killing effect are affected; by setting the ultraviolet detector 102, the ultraviolet irradiation intensity can be monitored in real time, and the ultraviolet dose received by the birth material liquid can be calculated; the parameters can be monitored in real time through the liquid crystal display 81 by setting the control console 8, so that the large-scale production operation is convenient.

The main components in the device can be repeatedly utilized, can be disassembled for cleaning, or can be communicated with the disinfectant for self-cleaning, the method is simple and convenient, the waste of materials and energy sources is avoided, and the device is suitable for large-scale industrial treatment.

The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims (16)

1. A centrifugal device, characterized in that: the centrifugal device comprises a container, a centrifugal turntable rotatably arranged in the container, a driving assembly connected to the centrifugal turntable and used for driving the centrifugal turntable to rotate, a feeding port arranged above the centrifugal turntable and used for feeding the centrifugal turntable, a discharging module communicated with the container and used for discharging, and an ultraviolet lamp arranged in the container and positioned above the centrifugal turntable, wherein the upper surface of the centrifugal turntable is a plane parallel to a horizontal plane and can receive feed liquid, a gap is reserved between the centrifugal turntable and the container, the upper surface of the centrifugal turntable is circular, the outer diameter of the centrifugal turntable gradually decreases from bottom to top, the feeding module comprises a feeding pipeline communicated with a feed liquid source, a peristaltic pump arranged on the feeding pipeline and a liquid distribution pipe arranged right above the centrifugal turntable, the liquid distribution pipe is communicated with the feeding pipeline, a liquid outlet hole group used for discharging is formed in the periphery side of one end of the liquid distribution pipe, which is close to the centrifugal turntable, the liquid outlet hole group is formed in the periphery side of the liquid distribution pipe, the liquid distribution hole group is connected with the centrifugal turntable by the driving motor, and the centrifugal turntable is connected with the driving motor, and the centrifugal turntable is capable of rotating, and the centrifugal turntable is driven to rotate, and the liquid is connected with the driving motor.

2. A centrifugal device according to claim 1, wherein: the centrifugal turntable comprises a turntable body and a coating with an antifouling function, wherein the coating is coated on the turntable body.

3. A centrifugal device according to claim 2, wherein: the thickness of the coating is 1-50 nm.

4. A centrifugal device according to claim 2, wherein: the coating is made of polyethylene glycol, and the turntable body is made of stainless steel or ceramic.

5. A centrifugal device according to claim 1, wherein: the liquid outlet hole group is provided with a group or a plurality of groups which are sequentially arranged along the up-down direction, and each group of liquid outlet hole group comprises a plurality of liquid outlet holes which are sequentially and equidistantly arranged around the periphery of the liquid distribution pipe.

6. A centrifugal device according to claim 5, wherein: the liquid outlet holes are round holes or strip-shaped holes, and when the liquid outlet holes are round holes, the diameter of the round holes is 0.1-5 mm; when the liquid outlet hole is a strip-shaped hole, the length of the strip-shaped hole is 0.5-8 mm, and the height of the strip-shaped hole is 0.1-2 mm.

7. A centrifugal device according to claim 1, wherein: the liquid distribution pipe is connected to the centrifugal turntable and is coaxial with the centrifugal turntable, and the ratio of the outer diameter of the liquid distribution pipe to the diameter of the upper surface of the centrifugal turntable is (0.05-0.3): 1.

8. a centrifugal device according to claim 1, wherein: the feeding pipeline is positioned above the liquid distribution pipe, and one end of the feeding pipeline extends into the liquid distribution pipe.

9. A centrifugal device according to claim 1, wherein: the container comprises a cylinder body and a cover arranged on the cylinder body, the ultraviolet lamp is connected to the cover through a connecting piece, and the length direction of the ultraviolet lamp is parallel to the upper surface of the centrifugal turntable.

10. A centrifugal device according to claim 9, wherein: the distance from each ultraviolet lamp to the centrifugal turntable is equal, and when the number of the ultraviolet lamps is two, the two ultraviolet lamps are parallel to each other and are positioned right above two opposite sides of the centrifugal turntable; when the ultraviolet lamps are more than two, the ultraviolet lamps are connected end to end and are enclosed to form a regular polygon, and the regular polygon is positioned right above the centrifugal turntable.

11. A centrifugal device according to claim 9, wherein: the two ends of the ultraviolet lamp are protruded out of the upper surface of the centrifugal turntable or are flush with the upper surface of the centrifugal turntable in the vertical direction.

12. A centrifugal device according to claim 9, wherein: the distance from the ultraviolet lamp to the centrifugal turntable is 5-100 mm.

13. A centrifugal device according to claim 9, wherein: the connecting piece is a traction rope capable of being electrified.

14. A centrifugal device according to claim 1, wherein: the container comprises a cylinder, the bottom of the cylinder is provided with a slope surface which is obliquely arranged from top to bottom, and the discharging module is connected to the bottom of the slope surface.

15. A centrifugal device according to claim 14, wherein: the included angle between the slope surface and the horizontal plane is 30-60 degrees, and the inner side wall of the barrel body is coated with a reflective coating.

16. A centrifugal device according to claim 1, wherein: the centrifugal device further comprises a control console, a thermometer, a hygrometer, an ultraviolet detector and a temperature control dehumidifier, wherein the container and the driving assembly are arranged on the control console, a display screen capable of displaying the temperature, the humidity and the power of the ultraviolet lamp in the container and buttons or knobs for controlling the thermometer, the hygrometer, the ultraviolet detector, the temperature control dehumidifier, the ultraviolet lamp and the driving assembly are further arranged on the control console, and the thermometer, the hygrometer, the ultraviolet detector and the temperature control dehumidifier are respectively arranged on the container.