CN111841903B

CN111841903B - Centrifugal machine

Info

Publication number: CN111841903B
Application number: CN202010796775.XA
Authority: CN
Inventors: 程振东
Original assignee: Guangzhou Great Health Pharmaceutical Co Ltd
Current assignee: Guangzhou Great Health Pharmaceutical Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-10-26
Anticipated expiration: 2040-08-10
Also published as: CN111841903A

Abstract

The invention discloses a centrifugal machine, which comprises a stator shell and a rotor barrel; the rotor barrel comprises an inner container and an outer container; the upper outer container cover is fixedly connected with a first rotor shaft, and the lower outer container cover is in threaded connection with a second rotor shaft; the first rotor shaft and the second rotor shaft are respectively connected with a first motor and a second motor; the disc type wiring rack comprises a rotor disc rack and a stator contact support, and each disc of the rotor disc rack is connected with each contact column on the stator contact support in a sliding manner; the rotor recovery device is characterized in that a rotor discharging pipe is arranged at the bottom of the inner container, a rotor recovery bin is arranged below the lower outer container cover, a stator recovery bin is arranged at the lower portion of the rotor recovery bin, and a stator discharging pipe is arranged at the bottom of the stator recovery bin. The invention can quickly, clearly and stably layer, can continuously, efficiently and smoothly discharge materials, has high layering precision, enables the materials with different molecular structures to be clearly layered and collected, and has simple equipment structure, convenient operation and stable work.

Description

Centrifugal machine

Technical Field

The present invention relates to the field of centrifugal devices, and in particular to a decanter centrifuge for separating liquids from liquid mixtures.

Background

The principle of the centrifugal machine is that the sedimentation speed of particles in liquid is accelerated by utilizing the strong centrifugal force generated by the high-speed rotation of a centrifugal machine rotor, and substances with different sedimentation coefficients and buoyancy densities in a sample are separated. The existing centrifugal machine has the problems of poor layering effect, low precision and low efficiency, can not meet the raw material separation requirements in the fields of biological medicine, chemical industry, food, cosmetology and the like, can not continuously and effectively extract substances with different molecular structures, and can not perform refined fine separation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a centrifugal machine which can quickly, clearly and stably layer materials, can continuously, efficiently and smoothly discharge materials, has high layering precision, enables materials with different molecular structures to be clearly layered and collected, and has the advantages of simple structure, convenient operation and stable work. The method is realized by the following technical scheme:

a centrifugal machine comprises a stator shell and a rotor barrel, wherein an upper stator cover is arranged at the upper part of the stator shell, a lower stator cover is arranged at the lower part of the stator shell, and a main bracket is connected with the lower stator cover; the rotor barrel comprises an inner container and an outer container, an upper cover is arranged at the top of the inner container, and a raw material inlet, a pneumatic tube inlet and a valve interface are formed in the upper cover; the upper part of the outer liner is provided with an upper outer liner cover, and the lower part of the outer liner is provided with a lower outer liner cover; the upper outer container cover is fixedly connected with a first rotor shaft, and the lower outer container cover is connected with a second rotor shaft; the first rotor shaft and the second rotor shaft are respectively connected with a first motor and a second motor.

The disc type wiring rack comprises a rotor disc rack and a stator contact support, the rotor disc rack is sleeved on the first rotor shaft, and the stator contact support is fixedly arranged on the inner wall of the upper stator cover; the rotor disc frame comprises a plurality of discs, the stator contact support comprises a plurality of contact posts, and each disc of the rotor disc frame is slidably connected with each contact post on the stator contact support; the disc type wiring frame is used for transmitting electric energy and signals such as image signals and the like, and the stability of the electric energy and the signal transmission can be ensured through the arrangement of the contact posts and the discs.

The inner bag bottom is equipped with the rotor discharging pipe, outer courage cover below is equipped with the rotor and retrieves the storehouse down, and the rotor is retrieved the storehouse lower part and is equipped with the stator and retrieves the storehouse, and stator is retrieved the storehouse bottom and is installed a stator discharging pipe, can realize the layering fast, and incessant and discharge the layering material high-efficiently.

Preferably, the lower outer container cover is provided with a discharging through hole for a rotor discharging pipe to pass through, the bottom of the rotor recovery bin is open, the bottom of the rotor recovery bin is provided with an inner contraction edge, and the rotor discharging pipe passes through the lower outer container cover and then is positioned at the upper part of the inner contraction edge; the bottom of the stator recovery bin is provided with a hollow column, and the hollow column is sleeved with the bottom of the lower outer container cover. Because the distance between the rotor discharging pipe and the inner contraction edge at the bottom of the rotor recovery bin is small, the material discharged from the rotor discharging pipe firstly falls onto the inner contraction edge at the bottom of the rotor recovery bin, then further falls onto the stator recovery bin under the action of centrifugal force in the rotation process, and is finally discharged through the stator discharging pipe; if the rotor discharging pipe directly falls into the stator recovery bin, because the distance between the rotor discharging pipe and the stator recovery bin is large, the discharged layered substances are easy to atomize, the stator recovery bin is polluted in a large area and is filled with a certain layered substance, when the next layered substance is discharged, the two layered substances can be mixed together, and the layered substances are separated and are not pure enough; the invention can prevent the layered materials from being atomized in the discharging process, ensure the cleanness of the stator recovery bin and ensure the purity of the discharged layered materials.

Preferably, the system further comprises a visual system, wherein the visual system comprises a camera, a bar-shaped illuminating lamp and a display screen; the outer wall of the outer container of the rotor barrel is provided with a plurality of through holes, and the camera is arranged at the through holes; the bar-shaped illuminating lamp is arranged on the inner wall of the outer container. The illuminating device is used for illuminating the inner container and can acquire the information in the inner container through the camera.

Preferably, the visual system is connected with the rotor disc rack through a wire, and the stator contact support is connected with an external power supply to realize electrifying the visual system and transmitting signals. When the camera rotates at a high speed, image information acquired by the camera is unstable through wireless transmission signal transmission, and the stability can be ensured through wired transmission; by the arrangement, wired power and image signals can be transmitted under high-speed rotation, and the working stability is ensured.

Preferably, the upper surface of each disc of the rotor disc frame is made of a conductive material, and the lower surface of each disc is made of an insulating material.

Preferably, the stator contact support further comprises a wire rod and a connecting frame, the contact post is mounted at one end of the wire rod, the other end of the wire rod is mounted on the connecting frame, and the other end of the wire rod is connected with an external power supply; the stator contact support is arranged on the inner wall of the upper stator cover through the connecting frame.

Preferably, the bottom of the inner container is provided with a supporting plate, the bottom of the supporting plate is provided with a groove, and the second rotor shaft is embedded into the groove; and a sealing ring is arranged between the inner container and the upper cover. After the second rotor shaft is installed, the inner container is propped by the supporting plate; with the structure, the inner container is assembled and disassembled through a comparison scheme.

Preferably, the contact post includes a steel ball and a spring, and the contact post contacts each disc of the rotor disc holder through the steel ball. Under the action of the spring, the steel ball can constantly keep in contact with the disc, so that the contact stability is ensured, and the electrifying stability is ensured.

Preferably, the liner is made of toughened glass; the outer container is made of stainless steel.

Preferably, the stator casing is provided with an observation port, and the upper stator cover and the lower stator cover are respectively provided with an upper maintenance port and a lower maintenance port; and a liquid level indicator is arranged on the outer wall of the inner container.

Compared with the prior art, the invention has the following beneficial effects:

(1) through the structure to current rotor bucket improving, set up inner bag and outer courage to retrieve storehouse, stator discharging pipe and stator through being provided with rotor discharging pipe, rotor and retrieve the storehouse, through the adjustment and the visual system of atmospheric pressure, simple structure has realized quick, clear and stable layering, can arrange the material in succession, high-efficient and smoothly, and the layering precision is high, makes the clear layering of the material of different molecular structure and collects.

(2) Because the distance between the rotor discharging pipe and the inner contraction edge at the bottom of the rotor recovery bin is small, the material discharged from the rotor discharging pipe firstly falls onto the inner contraction edge at the bottom of the rotor recovery bin, then further falls onto the stator recovery bin under the action of centrifugal force in the rotation process, and is finally discharged through the stator discharging pipe; the invention can prevent the layered materials from being atomized in the discharging process, ensure the cleanness of the stator recovery bin and ensure the purity of the discharged layered materials.

(3) The layering condition of the inner container can be known in real time by adopting a visual system; the stability of the system and the signal transmission of the visual system is ensured through the disc type wiring frame, and the problem of wireless transmission in the prior art is solved; each disc of the rotor disc frame is connected with each contact post on the stator contact support in a sliding mode, and the disc type wiring frame can stably transmit signals when the rotor barrel runs at a high speed.

(4) The centrifuge equipment disclosed by the invention is wide in application range and high in extraction precision, can be used for extracting substances in the fields of biomedicine, chemical industry, food, cosmetology and the like, such as polypeptide, polyphenol and the like, can be widely applied to scientific research and industrial production, and solves the problem of pain point of accurate separation of substances with different molecular structures in the industry.

Drawings

FIG. 1 is one of the overall structural views of the centrifuge of the present invention;

FIG. 2 is a second overall configuration of the centrifuge of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 of the present invention;

FIG. 4 is an exploded view of the rotor barrel and discharge section of the centrifuge of the present invention;

FIG. 5 is a cross-sectional view of the rotor barrel and discharge member of the centrifuge of the present invention;

FIG. 6 is a schematic view of the mounting of the rotor barrel and camera head of the centrifuge of the present invention;

FIG. 7 is a block diagram of the inner bladder of the rotor barrel of the centrifuge of the present invention;

FIG. 8 is a block diagram of the upper outer bladder cover of the rotor barrel of the centrifuge of the present invention;

FIG. 9 is one of the block diagrams of the disk type terminal block of the centrifuge of the present invention;

FIG. 10 is a second block diagram of the disk rack of the centrifuge of the present invention;

FIG. 11 is an enlarged view of a portion of the invention at B in FIG. 10;

FIG. 12 is a cross-sectional view of a contact post of the centrifuge of the present invention;

FIG. 13 is a block diagram of the stator recovery bin of the centrifuge of the present invention.

Description of reference numerals:

1 stator shell, 11 upper stator cover, 12 lower stator cover, 2 rotor barrel, 21 inner container, 22 outer container, 23 upper outer container cover, 24 lower outer container cover, 3 main support, 4 upper cover, 41 raw material inlet, 42 pneumatic tube inlet, 43 valve interface, 5 first rotor shaft, 6 second rotor shaft, 7 first motor, 8 second motor, 9 disc type wiring frame, 91 rotor disc frame, 911 disc, 92 stator contact frame, 921 contact column, 922 lead bar, 923 connecting frame, 9211 steel ball, 9212 spring, 10 rotor discharging tube, 13 rotor recovery bin, 14 stator recovery bin, 15 stator discharging tube, 16 camera, 17 supporting plate, 111 observation port, 112 upper maintenance port, 113 lower maintenance port.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In a preferred embodiment of the present invention, as shown in fig. 1 to 4 and 13, a centrifuge includes a stator housing 1 and a rotor tub 2, an upper stator cover 11 is installed on an upper portion of the stator housing 1, a lower stator cover 12 is installed on a lower portion thereof, and the lower stator cover 12 is connected to a main stand 3; the rotor barrel 2 comprises an inner container 21 and an outer container 22, the top of the inner container 21 is provided with an upper cover 4, a sealing ring is arranged between the inner container 21 and the upper cover 4, and the upper cover 4 is provided with a raw material inlet 41, a pneumatic tube inlet 42 and a valve interface 43, as shown in fig. 7; specifically, the valve interfaces 43 are used for installing electromagnetic valves, can be externally connected with an air pump, and are used for adjusting the air pressure in the rotor barrel 2 according to requirements during discharging, and the number of the valve interfaces 43 is preferably 2; the upper part of the outer liner 22 is provided with an upper outer liner cover 23, and the lower part is provided with a lower outer liner cover 24. The upper outer bladder cover 23 is also provided with a plurality of openings at positions corresponding to the raw material inlet 41, the pneumatic tube inlet 42 and the valve port 43 of the upper cover 4 to achieve the regulation of the air pressure in the raw material input and rotor tub 2, and the raw material inlet 41 is closed by a closure when the raw material input is not required. The inlet 42 of the pneumatic tube is externally connected with the pneumatic tube, and the pneumatic tube can be connected with a vacuum pump or a pressure pump and is used for adjusting the air pressure in the inner container 21. When the air pressure regulation is not needed, the air pressure pipe inlet 42 or the valve interface 43 is closed, or the relevant pipeline of the air pressure regulation is cut off.

The upper outer container cover 23 is fixedly connected with the first rotor shaft 5, the lower outer container cover 24 is connected with the second rotor shaft 6, preferably, the second rotor shaft 6 is provided with threads, and the bottom of the lower outer container cover 24 is in threaded connection with the second rotor shaft 6; a first motor 7 and a second motor 8 are connected to the first rotor shaft 5 and the second rotor shaft 6, respectively.

As shown in fig. 1-4 and 8-11, the disc type patch bay 9 further comprises a rotor disc bay 91 and a stator contact support 92, the rotor disc bay 91 is sleeved on the first rotor shaft 5, and the stator contact support 92 is fixedly mounted on the inner wall of the upper stator cover 11; the rotor disc holder 91 comprises a plurality of discs 911 and the stator contact support 92 comprises a plurality of contact posts 921, each disc 911 of the rotor disc holder 91 slidably engaging each contact post 921 on the stator contact support 92. The disc type wiring rack is used for transmitting electric energy and signals such as image signals and the like, the stability of the electric energy and signal transmission can be ensured through the arrangement of the contact posts and the discs, and even if one of the contact posts or one of the discs breaks down, the normal operation of the whole visual system cannot be influenced.

As shown in fig. 4-5, the bottom of the inner container 21 is provided with a rotor discharging pipe 10, the lower part of the lower outer container cover 24 is provided with a rotor recovery bin 13, the lower part of the rotor recovery bin 13 is provided with a stator recovery bin 14, and the bottom of the stator recovery bin 14 is provided with a stator discharging pipe 15.

The lower outer liner cover 24 is provided with a discharging through hole for the rotor discharging pipe 10 to pass through, the bottom of the rotor recovery bin 13 is open, the bottom is provided with an inner contraction edge, and the rotor discharging pipe 10 passes through the lower outer liner cover 24 and then is positioned above the inner contraction edge; the bottom of the stator recovery bin 14 is provided with a hollow column, and the hollow column is sleeved with the bottom of the lower outer container cover 24. Preferably, the distance between the rotor discharge pipe and the inward contraction edge at the bottom of the rotor recovery bin ranges from 2 mm to 5 mm; the number of the rotor discharging pipes 10 is 2-6.

Because the distance between the rotor discharging pipe and the inner contraction edge at the bottom of the rotor recovery bin is small, the substances discharged by the rotor discharging pipe fall onto the inner contraction edge at the bottom of the rotor recovery bin firstly, further fall onto the stator recovery bin under the action of centrifugal force during rotation, and are finally discharged through the stator discharging pipe; if the rotor discharging pipe directly falls into the stator recovery bin, because the distance between the rotor discharging pipe and the stator recovery bin is large, the discharged layered substances are easy to atomize, the stator recovery bin is polluted in a large area and is filled with a certain layered substance, when the next layered substance is discharged, the two layered substances can be mixed together, and the layered substances are separated and are not pure enough; the invention can prevent the layered materials from being atomized in the discharging process, ensure the cleanness of the stator recovery bin and ensure the purity of the discharged layered materials.

As shown in fig. 6, a visual system is further included, and the visual system includes a camera 16, a bar-shaped lighting lamp and a display screen (not shown); the outer wall of the outer container 22 of the rotor barrel 2 is provided with a plurality of through holes, and the camera 16 is arranged at the through holes; the bar light is installed at the inner wall (not shown) of outer courage 22, is located between outer courage 22 and the inner bag 21 promptly, specifically can be, sets up the bar recess on the inner wall of outer courage 22, and the bar light is installed in this bar recess to connect the electricity through the wire. The display screen is installed outside the centrifuge, and is convenient for operators to acquire information.

The visual system is connected with the rotor disc frame 91 through a conducting wire, and the stator contact support 92 is connected with an external power supply, so that the visual system is electrified and signals are transmitted. Specifically, the disc type patch bay 9 is further connected with an external control box, the control box is connected with an external power supply, and the external power supply is converted into 12V for the camera 16 and the bar-shaped illuminating lamp to use; and the control box can also be connected with motor controllers of the first motor 7 and the second motor 8 and other control equipment.

Preferably, the upper surface of each disc 911 of the rotor disc holder 91 is made of a conductive material, and the lower surface is made of an insulating material.

As shown in fig. 9 and 10, the stator contact support 92 further includes a wire rod 922 and a connecting frame 923, the contact column 921 is installed at one end of the wire rod 922, the other end of the wire rod 922 is installed on the connecting frame 923, and the other end of the wire rod 922 is connected to an external power supply; the stator contact point support 92 is mounted to the inner wall of the upper stator housing 11 through a connection frame 923.

As shown in fig. 12, the contact column 921 includes steel balls 9211 and springs 9212, and the contact column 921 makes contact with each disk of the rotor disk holder 91 through the steel balls 9211. Under the action of the spring 9212, the steel ball 9211 can constantly keep in contact with the disc, so that the contact stability is ensured, and the electrifying stability is ensured.

In addition, each wire guide pole, contact column 921 and the corresponding contact disk are a set of power and signal transmission lines, and are in parallel relation with other wire guide poles, contact columns 921 and the corresponding contact disks; therefore, even if one transmission line is damaged, the whole transmission function is not influenced, and the working stability of the disc type wire holder 9 is ensured.

As shown in fig. 3-5, the bottom of the inner container 21 is provided with a supporting plate 17, the bottom of the supporting plate 17 is provided with a groove, and the second rotor shaft 6 is embedded in the groove. After the second rotor shaft is installed, the inner container is propped by the supporting plate; with the structure, the inner container is convenient to mount and dismount.

The inner container 21 is made of toughened glass, and preferably has the thickness of 25 mm; the outer bladder 22 is made of stainless steel.

As shown in fig. 1, the stator housing 1 is provided with an observation port 111, and the upper stator cover 11 and the lower stator cover 12 are respectively provided with an upper maintenance port 112 and a lower maintenance port 113; the outer wall of the inner container 21 is provided with a liquid level indicator (not shown), and when the bar-shaped illuminating lamp works, the camera 16 acquires the liquid level information and the layering condition of the inner container 21 and transmits the information to the display screen.

When the centrifugal machine works, the space between the stator shell 1 and the rotor barrel 2 is also closed, and when the centrifugal machine works, the space is pumped by a vacuum pump to form negative pressure. Under the negative pressure environment, the wind resistance effect generated by the rotor barrel and the air in the space can be reduced, and the noise of the operation of the equipment is reduced.

The working principle of the technical scheme is as follows: a raw material inlet 41 at the upper cover 4 of the rotor barrel 2 is connected with a feeding pipe, and an air pressure pipe inlet 42 is connected with an air pressure pipe, so that the air pressure pipe is connected with a vacuum pump; starting a vacuum pump, enabling the liquid material to enter the inner container 21 of the rotor barrel 2 from the raw material inlet 41, and sealing the raw material inlet 41 after absorbing a certain amount of liquid material; the air pressure pipe is switched to the pressure pump, so that the pressure in the inner container 21 is positive pressure, specifically 2Pa, and the reason is that in a positive pressure environment, when the rotor barrel rotates, the fluctuation of liquid materials can be reduced, the stability of the liquid materials during rotation is ensured, and the layering is efficient and obvious; turning on the camera 16, the bar-shaped illuminating lamp and the display screen, starting the first motor 7 and the second motor 8, and rotating the rotor barrel 2 at a high speed; observing the layering condition through a display screen, and when the liquid material is obviously layered; opening the rotor discharging pipe 10 and the stator discharging pipe 15, discharging the layered materials, and collecting the layered materials into corresponding containers; after the collection is finished, closing the rotor discharging pipe 10 and the stator discharging pipe 15 for about 2-5 minutes to realize clearer and more stable layering, and after the layering effect is confirmed through a visual system, opening the rotor discharging pipe 10 and the stator discharging pipe 15 to discharge and collect the next layered material; and repeating the steps until all liquid materials in the rotor barrel 2 are completely separated.

In addition, it should be noted that, as the layered materials are discharged, the residual space of the inner container is gradually increased, the internal air pressure is reduced, and the stability of the liquid materials and the smoothness of discharging materials are affected; under the condition, the internal bladder needs to be pressurized by a pressurizing air pump externally connected with the valve interface, and the pressure in the internal bladder is controlled within a certain positive pressure range.

The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The centrifuge is characterized by comprising a stator shell (1) and a rotor barrel (2), wherein an upper stator cover (11) is installed on the upper portion of the stator shell (1), a lower stator cover (12) is installed on the lower portion of the stator shell, and the lower stator cover (12) is connected with a main support (3); the rotor barrel (2) comprises an inner container (21) and an outer container (22), an upper cover (4) is arranged at the top of the inner container (21), and a raw material inlet (41), a pneumatic tube inlet (42) and a valve interface (43) are formed in the upper cover (4); an upper outer liner cover (23) is arranged at the upper part of the outer liner (22), and a lower outer liner cover (24) is arranged at the lower part of the outer liner;

the upper outer container cover (23) is fixedly connected with a first rotor shaft (5), and the lower outer container cover (24) is connected with a second rotor shaft (6);

the first rotor shaft (5) and the second rotor shaft (6) are respectively connected with a first motor (7) and a second motor (8);

the disc type wiring rack (9) comprises a rotor disc rack (91) and a stator contact support (92), the rotor disc rack (91) is sleeved on the first rotor shaft (5), and the stator contact support (92) is fixedly mounted on the inner wall of the upper stator cover (11); the rotor disc holder (91) comprises a plurality of discs (911), the stator contact support (92) comprises a plurality of contact posts (921), and each disc (911) of the rotor disc holder (91) is slidably connected with each contact post (921) on the stator contact support (92);

a rotor discharge pipe (10) is arranged at the bottom of the inner container (21), a rotor recovery bin (13) is arranged below the lower outer container cover (24), a stator recovery bin (14) is arranged at the lower part of the rotor recovery bin (13), and a stator discharge pipe (15) is arranged at the bottom of the stator recovery bin (14);

the upper surface of each disc of the rotor disc frame (91) is made of a conductive material, and the lower surface of each disc is made of an insulating material.

2. The centrifuge according to claim 1, characterized in that the lower outer liner cover (24) is provided with a discharge perforation for the rotor discharge pipe (10) to pass through, the bottom of the rotor recovery bin (13) is open, the bottom is provided with an inner contraction edge, and the rotor discharge pipe (10) passes through the lower outer liner cover (24) and then is positioned at the upper part of the inner contraction edge; the bottom of the stator recovery bin (14) is provided with a hollow column, and the hollow column is sleeved with the bottom of the lower outer container cover (24).

3. The centrifuge of claim 1, further comprising a vision system comprising a camera (16), a bar light, and a display screen; the outer wall of the outer container (22) of the rotor barrel (2) is provided with a plurality of through holes, and the camera (16) is arranged at the through holes; the strip-shaped illuminating lamp is arranged on the inner wall of the outer container (22).

4. The centrifuge of claim 3, wherein said vision system is connected to the rotor disk rack (91) by wires, and said stator contact support (92) is connected to an external power source for energizing the vision system and transmitting signals.

5. The centrifuge of claim 1 or 4, wherein the stator contact support (92) further comprises a wire guide bar (922) and a connecting frame (923), the contact column (921) is installed at one end of the wire guide bar (922), the other end of the wire guide bar (922) is installed on the connecting frame (923), and the other end of the wire guide bar (922) is connected with an external power supply; the stator contact support (92) is arranged on the inner wall of the upper stator cover (11) through the connecting frame (923).

6. The centrifuge according to claim 1, characterized in that the bottom of the inner container (21) is provided with a supporting plate (17), the bottom of the supporting plate (17) is provided with a groove, and the second rotor shaft (6) is embedded into the groove; and a sealing ring is arranged between the inner container (21) and the upper cover (4).

7. The centrifuge of claim 5, wherein the contact post (921) comprises a steel ball (9211) and a spring (9212), the contact post (921) contacting each disc (911) of the rotor disc holder (91) through the steel ball (9211).

8. The centrifuge according to claim 1, characterized in that the material of the inner container (21) is tempered glass; the outer container (22) is made of stainless steel.

9. The centrifuge according to claim 1, wherein the stator casing (1) is provided with a viewing port (111), and the upper stator housing (11) and the lower stator housing (12) are provided with an upper service port (112) and a lower service port (113), respectively; and a liquid level indicator is arranged on the outer wall of the inner container.