CN218742528U

CN218742528U - High-rotation-speed centrifugal machine

Info

Publication number: CN218742528U
Application number: CN202221911463.XU
Authority: CN
Inventors: 蒋大兵; 刘永超
Original assignee: Shanghai Yujin Environmental Protection Equipment Co ltd
Current assignee: Shanghai Yujin Environmental Protection Equipment Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-03-28
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to a high rotational speed centrifuge relates to centrifuge's field, it includes the bracing piece, the bottom plate, strain the wall, the rotary drum, installation component and drive assembly, strain wall and bottom plate fixed connection, the bracing piece is located bottom plate center top and vertical setting, the top of dead lever and the bottom fixed connection of bracing piece, first mount pad is annular structure, the outer wall fixed connection of first mount pad and dead lever, the bottom and the installation pole fixed connection of first mount pad, the length direction of installation pole is the same with the dead lever, the installation pole is equipped with a plurality of and follows the circumference evenly distributed of mount pad, the installing port of rectangle is all seted up to the bottom of every installation pole, the size of locating piece and the size looks adaptation of installing port, annular constant head tank has been seted up along its circumferencial direction to the outer wall of rotary drum, the width of constant head tank equals with the width of locating piece, the locating piece passes the installing port and inserts in the constant head tank. This application has the comparatively complicated effect of rotary drum dismantlement process in improving traditional centrifuge.

Description

High-rotation-speed centrifugal machine

Technical Field

The application relates to the field of centrifuges, in particular to a high-rotation-speed centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. In the field of environmental protection, centrifuges are widely used for separating solid waste from liquid waste in mixed waste.

In general, the centrifugal process of the centrifuge is realized by a rotating drum, suspension enters the rotating drum through a liquid inlet pipe, and the rotating drum is rotated by a driving device, so that centrifugal force is generated to discharge the suspension inside.

In the use process of the centrifuge, impurities which cannot be discharged through centrifugal force may exist in the rotary drum, the part of impurities are accumulated in the long-term use process and the service life of the rotary drum is possibly influenced, the rotary drum in the traditional centrifuge is connected with the centrifuge through a complex bearing, the disassembly process is complex, and therefore the centrifuge structure convenient for disassembling the rotary drum is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively complicated defect of rotary drum dismantlement process in traditional centrifuge, this application provides a high rotational speed centrifuge.

The application provides a high rotational speed centrifuge adopts following technical scheme:

the utility model provides a high rotational speed centrifuge, includes bracing piece, bottom plate, strains wall, rotary drum, installation component and drive assembly, strain the wall with bottom plate fixed connection, installation component includes dead lever, first mount pad, installation pole and locating piece, the bracing piece is located bottom plate center top and vertical setting, the top of dead lever with the bottom fixed connection and the vertical setting of bracing piece, first mount pad is annular structure, first mount pad with the outer wall fixed connection of dead lever, the bottom of first mount pad with installation pole fixed connection, the length direction of installation pole with the dead lever is the same, the installation pole is equipped with a plurality of and follows the circumference evenly distributed of mount pad, every the installation mouth of rectangle is all seted up to the bottom of installation pole, the size of locating piece with the size looks adaptation of installation mouth, annular constant head tank has been seted up to the outer wall of rotary drum along its circumferencial direction, the width of constant head tank with the width of locating piece equals, the locating piece passes the installation mouth is inserted in the constant head tank, drive assembly set up in the rotary drum.

By adopting the technical scheme, the installation assembly enables the process of installing the rotary drum on the centrifugal machine or disassembling the rotary drum from the centrifugal machine to be simple and convenient, improves the convenience of installing or disassembling the rotary drum and overcomes the defect that the rotary drum in the traditional centrifugal machine is more complicated in disassembling process; the first mounting seat is arranged so that the mounting rod can be mounted on the first mounting seat so as to be fixed on the fixing rod; the installation rod is arranged to enable the rotary drum to be fixed on the fixing rod through the installation rod; the setting of constant head tank and installing port can make the locating piece pass the installing port and insert in the constant head tank to make fixed connection between rotary drum and the installation pole, and then make rotary drum and dead lever fixed connection.

Optionally, a rectangular limiting groove is respectively formed in the top end and the bottom end of the mounting opening, the length direction of the limiting groove is the same as that of the mounting opening, the limiting groove is far away from the first spring fixedly connected with one end of the rotary drum, the length direction of the first spring is the same as that of the limiting groove, the limiting plate is fixedly connected with the other end of the first spring, and the top and the bottom of the positioning block are respectively fixedly connected with the limiting plate.

By adopting the technical scheme, the spring and the limiting plate can be arranged in the limiting groove by arranging the limiting groove; the spring and the limiting plate are arranged, so that the limiting plate can be provided with a force towards the direction of the rotary drum through the spring, and the limiting plate is abutted against one side, close to the rotary drum, of the limiting groove; the limiting plate is fixedly connected with the positioning block, the positioning block can be inserted into the positioning groove under the action of the limiting plate, the rotary drum can give a force to the positioning block in a direction away from the rotary drum during rotation, the positioning block can be separated from the positioning groove, the limiting plate and the spring can give a force to the positioning block in a direction towards the rotary drum, the positioning block is prevented from moving in the direction away from the rotary drum during rotation of the rotary drum, and the stability is improved; when the rotary drum is required to be disassembled, the positioning block is pulled towards the direction away from the rotary drum, so that the positioning groove can be kept away from the positioning block, and the disassembling convenience is further improved.

Optionally, one end of the positioning block, which is far away from the positioning groove, is fixedly connected with a hand push rod.

Through adopting above-mentioned technical scheme, the setting of handspike is convenient for insert the locating piece in the constant head tank or extract from the constant head tank, has further improved the convenience of using.

Optionally, the drive assembly includes motor and pivot, the motor with the bottom fixed connection of dead lever, the vertical setting of pivot, the top of pivot with the bottom fixed connection of motor, the bottom of pivot with the connection can be dismantled to the rotary drum.

By adopting the technical scheme, the motor and the rotating shaft are arranged, and the rotating shaft can be driven to rotate by the motor; through the bottom with the pivot with rotary drum fixed connection, can make the pivot drive the rotary drum and rotate to make the motor can drive the rotary drum and rotate.

Optionally, an annular second mounting seat is arranged at the bottom end of the rotating shaft, a supporting rod is arranged at the bottom in the rotating drum, the supporting rod and the rotating shaft are coaxially arranged, a slot is formed in the bottom of the second mounting seat, the size of the slot is matched with that of the supporting rod, a plurality of clamping grooves are formed in the inner wall of the slot, and clamping blocks matched with the clamping grooves are arranged at the top of the supporting rod.

By adopting the technical scheme, the supporting rod can be fixedly connected with the rotating shaft through the second mounting seat by arranging the second mounting seat at the bottom end of the rotating shaft; the supporting rod can be inserted into the slot by arranging the slot at the bottom of the second mounting seat; the clamping groove is formed in the inner wall of the slot, and the clamping block is arranged at the top of the supporting rod, so that the clamping block can be clamped in the clamping groove, and the supporting rod is fixed on the second mounting seat.

Optionally, a fixing groove is formed in the top of the side face of the supporting rod, a second spring is arranged in the fixing groove, and two ends of the second spring are fixedly connected with the two clamping blocks respectively.

By adopting the technical scheme, the arrangement of the fixing groove provides a position for the arrangement of the second spring and the movement of the clamping block; the setting of spring can insert the fixture block in the fixed slot through the spring, and the bracing piece of being convenient for has improved the convenience of installation in inserting the slot.

Optionally, a through hole is formed in one side, away from the slot, of the clamping groove, and a sliding rod is inserted in the through hole.

By adopting the technical scheme, the through hole can enable the sliding rod to be inserted into the through hole and can slide in the through hole; when the bracing piece is pegged graft on the second mount pad, when the fixture block joint was in the draw-in groove, pressed the slide bar and kept away from one side of fixture block for the slide bar drives the fixture block and moves towards the bracing piece direction and makes the fixture block insert the fixed slot, when the fixture block inserted the fixed slot completely, can take out the bracing piece from the second mount pad, improved the convenience that the bracing piece was dismantled.

Optionally, the motor housing is provided with a fixing frame.

Through adopting above-mentioned technical scheme, the liquid that produces splashing in equipment operation in-process is placed in setting up of fixed frame and is got into the motor and make the motor damage, has improved the security of equipment.

Optionally, the rotary drum is of a top opening structure, a liquid inlet pipe is communicated with the top opening of the rotary drum, and a plurality of circular liquid outlets are formed in the bottom end of the outer wall of the rotary drum along the circumferential direction of the bottom end.

Through adopting above-mentioned technical scheme, during the setting up of feed liquor pipe can make the centrifugal suspension of needs pass through the feed liquor pipe and get into the rotary drum, the setting up of liquid outlet can make the centrifugal suspension of process rotary drum discharge through the liquid outlet.

Optionally, a conical plate is fixedly connected to the top end of the rotary drum, a liquid inlet is formed in the top end of the conical plate, and the liquid inlet pipe is communicated with the liquid inlet.

By adopting the technical scheme, the suspension liquid which is centrifugally moved in the rotary drum can be leaked from the top of the rotary drum, and the arrangement of the conical plate avoids the suspension liquid which is centrifugally moved from leaking from the top of the rotary drum.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the fixed rod, the first mounting seat, the mounting rod and the positioning block, the mounting and dismounting convenience of the rotary drum is improved, and the defect that the rotary drum in the traditional centrifuge is more complicated in the dismounting process is overcome;

2. through the arrangement of the limiting groove, the first spring and the limiting plate, the convenience of disassembling the rotary drum is further improved, and the stability of the rotary drum is improved;

3. through the setting of second mount pad, slot, draw-in groove and fixture block, improved the convenience of being connected and dismantling between bracing piece and the pivot to the convenience of rotary drum installation and dismantlement has further been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of the internal structure of the centrifuge according to the embodiment of the present application;

FIG. 3 is a schematic view of a drum configuration according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a drum of an embodiment of the present application;

FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;

fig. 6 is a schematic cross-sectional structure view of a second mounting seat according to an embodiment of the present application.

Description of reference numerals: 1. a base plate; 2. a filter wall; 3. a drum; 31. a conical plate; 32. a liquid inlet; 33. a liquid inlet pipe; 34. a liquid outlet; 35. a support bar; 36. positioning a groove; 351. fixing grooves; 352. a second spring; 353. a clamping block; 4. mounting the component; 41. fixing the rod; 411. a fixing frame; 42. a first mounting seat; 43. mounting a rod; 431. an installation port; 432. a limiting groove; 433. a first spring; 434. a limiting plate; 44. positioning blocks; 441. a handspike; 5. a drive assembly; 51. a motor; 52. a rotating shaft; 6. a second mounting seat; 61. a slot; 62. a card slot; 63. a through hole; 64. a slide bar; 7. and (5) positioning the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses high rotational speed centrifuge. Referring to fig. 1 and 2, a high-speed centrifuge comprises a bottom plate 1, a filter wall 2, a positioning rod 7, a rotary drum 3, a mounting assembly 4 and a driving assembly 5; the bottom plate 1 is of a circular plane structure and is horizontally arranged, the filter wall 2 is of an annular structure, the inner diameter of the filter wall 2 is equal to the diameter of the bottom plate 1, the filter wall 2 is vertically arranged, and the bottom end of the inner wall of the filter wall 2 is fixedly connected with the circumference of the bottom plate 1; locating lever 7 is fixed to be set up in 1 center top of bottom plate and vertical setting, and installation component 4 is fixed to be set up in the bottom of locating lever 7, and drive assembly 5 is fixed to be set up in installation component 4's inside, and rotary drum 3 is open-top's circular box structure, and rotary drum 3 joint is on installation component 4.

Referring to fig. 3, a conical plate 31 is fixedly connected to an opening at the top of the rotary drum 3, the diameter of the bottom surface of the conical plate 31 is equal to that of the rotary drum 3, a liquid inlet 32 is formed in the top end of the conical plate 31, a liquid inlet pipe 33 is communicated with the liquid inlet 32, and a plurality of circular liquid outlets 34 are formed in the bottom end of the outer wall of the rotary drum 3 along the circumferential direction of the bottom end.

Referring to fig. 1 and 2, the mounting assembly 4 includes a fixing rod 41 and a first mounting seat 42, the cross section of the fixing rod 41 is circular, the fixing rod 41 is vertically arranged and coaxially arranged with the filter wall 2, and the top end of the fixing rod 41 is fixedly connected with the bottom end of the fixing rod 7; the first installation seat 42 is of an annular plane structure, the inner diameter of the first installation seat 42 is equal to the diameter of the fixed rod 41, the first installation seat 42 is fixedly sleeved at the bottom end of the fixed rod 41, and the rotary drum 3 is clamped with the first installation seat 42; the driving assembly 5 comprises a motor 51 and a rotating shaft 52, the bottom end of the fixing rod 41 is fixedly connected with a fixing frame 411, the motor 51 is fixed in the fixing frame 411, the top end of the rotating shaft 52 is fixedly connected with the bottom of the motor 51 and coaxially arranged with the fixing rod 41, and the bottom end of the rotating shaft 52 is connected with the rotating drum 3.

When in use, the suspension is injected into the rotary drum 3 from the liquid inlet 32 through the liquid inlet pipe 33, the motor 51 drives the rotating shaft 52 to drive the rotary drum 3 to rotate, and the rotary drum 3 drives the suspension inside to rotate; the suspension subjected to the centrifugal movement is discharged through the outlet opening 34 and finally on the filter wall 2 after being filtered by the filter wall 2, the liquid is discharged from the filter wall 2 and the solids form a layer of filter cake inside the filter wall 2 adhering to the inner wall of the filter wall 2.

Referring to fig. 1 and 2, the mounting assembly 4 further includes four mounting rods 43, the mounting rods 43 are vertically arranged, the cross section of each mounting rod 43 is rectangular, the top end of each mounting rod 43 is fixedly connected with the bottom of the first mounting seat 42, and the mounting rods 43 are uniformly distributed along the circumferential direction of the first mounting seat 42; the rectangular installing port 431 is formed in one end, close to the bottom, of the side face of each installing rod 43, and each installing port 431 penetrates through the installing rod 43 and the opening direction faces the direction of the rotary drum 3.

Referring to fig. 4 and 5, a rectangular limiting groove 432 is all seted up to the top and the bottom of every installing port 431, the length direction of every limiting groove 432 all is the same with the opening direction that corresponds installing port 431, the equal fixedly connected with first spring 433 of the one end of keeping away from rotary drum 3 in every limiting groove 432, the length direction of first spring 433 is the same with the length direction of limiting groove 432, first spring 433 is close to the one end fixedly connected with limiting plate 434 of rotary drum 3, limiting plate 434 is the plane rectangular structure, the length of limiting plate 434 equals with the width of limiting groove 432, the width of limiting plate 434 equals with the degree of depth of limiting groove 432, the vertical setting of limiting plate 434 and the one side of keeping away from first spring 433 and one side butt that limiting groove 432 is close to rotary drum 3.

Referring to fig. 1 and 5, a positioning block 44 is arranged in each mounting opening 431 in a penetrating manner, the size of each positioning block 44 is matched with the size of the mounting opening 431, the top end and the bottom end of each positioning block 44 are fixedly connected with corresponding limiting plates 434, a hand push rod 441 is fixedly connected to one side of each positioning block 44 away from the rotary drum 3, and the hand push rod 441 is of a horizontally arranged rectangular rod-shaped structure.

Referring to fig. 1 and 5, an annular positioning groove 36 is formed in one side of the outer wall of the rotary drum 3 close to the bottom end along the circumferential direction of the rotary drum, and the width of the positioning groove 36 is the same as that of the mounting holes 431 and is located on the same horizontal plane with the four mounting holes 431; each positioning block 44 is inserted into the positioning groove 36 through the installation opening 431.

When the drum is installed, the four hand push rods 441 are pulled away from the drum 3, so that one ends of the positioning blocks 44 far away from the hand push rods 441 enter the installation openings 431; at the moment, the positioning grooves 36 of the rotary drum 3 are respectively aligned with the four mounting openings 431, so that the positioning grooves 36 and the mounting openings 431 are positioned on the same horizontal plane; the four push rods 441 are released to allow the four mounting blocks to be inserted into the positioning grooves 36, so that the rotary drum 3 is fixedly connected with the fixing rod 41. When the drum 3 is detached, the four push rods 441 are pulled away from the drum 3, so that one end of the positioning block 44, which is far away from the push rods 441, enters the mounting opening 431, and the drum 3 can be taken out.

Referring to fig. 6, a horizontally arranged annular second mounting seat 6 is fixedly connected to the bottom end of the rotating shaft 52, a vertically arranged support rod 35 is fixedly connected to the bottom inside the rotary drum 3, and the cross section of the support rod 35 is rectangular; the bottom of the second mounting seat 6 is provided with a slot 61 matched with the size of the support rod 35; a penetrating fixing groove 351 is horizontally formed in the top of the supporting rod 35, the cross section of the fixing groove 351 is rectangular, a second spring 352 horizontally arranged is fixed in the fixing groove 351, and two ends of the second spring 352 are respectively and fixedly connected with a clamping block 353; clamping grooves 62 matched with the clamping blocks 353 in size are formed in the two sides of the slot 61; a through hole 63 penetrates through one side of each clamping groove 62 far away from the slot 61, and the length direction of the through hole 63 is the same as the depth direction of the clamping groove 62; a sliding rod 64 is inserted into each through hole 63, and the size of each sliding rod 64 is matched with that of each through hole 63.

When the fixing device is installed, the clamping blocks 353 at the two ends of the top of the support rod 35 are pressed into the fixing grooves 351; then the top of the support bar 35 is aligned and inserted into the slot 61; the support rod 35 is inserted into the slot 61, and the second spring 352 aligns the latch 353 with the slot 62 and inserts the latch 353 into the slot 62, so that the support rod 35 is fixedly connected with the rotating shaft 52. During disassembly, the sliding rods 64 on the two sides of the second mounting seat 6 are pressed, so that the clamping blocks 353 on the top of the supporting rod 35 enter the fixing grooves 351, and at the moment, the supporting rod 35 can be taken out of the slot 61.

The implementation principle of the high-speed centrifuge in the embodiment of the application is as follows: during installation, in the first step, the four hand push rods 441 are pulled away from the rotary drum 3, so that the ends, away from the hand push rods 441, of the four positioning blocks 44 enter the installation openings 431; secondly, pressing the clamping blocks 353 at the two ends of the top of the supporting rod 35 into the fixing grooves 351, and aligning the top end of the supporting rod 35 with the slot 61; thirdly, aligning the positioning groove 36 of the rotary drum 3 with the four mounting openings 431, namely, positioning the positioning groove 36 and the mounting openings 431 are positioned on the same horizontal plane; fourthly, the support rod 35 is inserted into the slot 61 simultaneously with the third step, and the fixture block 353 is aligned with the clamping groove 62, so that the second spring 352 inserts the fixture block 353 into the clamping groove 62; in the fifth step, the four push rods 441 are released, so that the four mounting blocks are inserted into the positioning grooves 36, and the drum 3 is fixed to the fixing rod 41. During disassembly, in the first step, the four hand push rods 441 are pulled away from the rotary drum 3, so that one end of the positioning block 44, which is far away from the hand push rods 441, enters the installation opening 431; in the second step, the sliding rods 64 on both sides of the second mounting seat 6 are pressed simultaneously in the first step, so that the locking blocks 353 on the top of the supporting rod 35 enter the fixing grooves 351, and at this time, the supporting rod 35 can be taken out of the slot 61, and the rotary drum 3 can be taken out of the mounting rod 43. When in use, in the first step, the suspension is injected into the rotary drum 3 from the liquid inlet 32 through the liquid inlet pipe 33; secondly, the motor 51 drives the rotating shaft 52 to drive the rotating drum 3 to rotate; thirdly, the rotary drum 3 drives the suspension liquid inside to rotate; fourthly, the suspension after centrifugal motion is discharged to the filter wall 2 through the liquid outlet 34; fifthly, after the suspension on the rotary drum 3 is filtered, the solid forms a layer of filter cake on the inner wall of the rotary drum 3 and is attached to the inner wall of the rotary drum 3, and the liquid is discharged from the outer wall of the rotary drum 3 and is collected by a space enclosed by the bottom plate 1 and the filter wall 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A high rotational speed centrifuge characterized by: the filter wall assembly comprises a positioning rod (7), a bottom plate (1), a filter wall (2), a rotary drum (3), a mounting assembly (4) and a driving assembly (5), wherein the filter wall (2) is fixedly connected with the bottom plate (1), the mounting assembly (4) comprises a fixing rod (41), a first mounting seat (42), a mounting rod (43) and a positioning block (44), the positioning rod (7) is positioned above the center of the bottom plate (1) and is vertically arranged, the top end of the fixing rod (41) is fixedly connected with the bottom end of the positioning rod (7) and is vertically arranged, the first mounting seat (42) is of an annular structure, the first mounting seat (42) is fixedly connected with the outer wall of the fixing rod (41), the bottom of the first mounting seat (42) is fixedly connected with the mounting rod (43), the length direction of the mounting rod (43) is the same as that of the fixing rod (41), the mounting rod (43) is provided with a plurality of mounting rods which are uniformly distributed along the outer wall of the first mounting seat (42), the bottom end of each mounting rod (43) is provided with a rectangular mounting opening (44), the mounting hole (431) is matched with the width of the positioning block (36), and the positioning groove (36) is formed along the circumferential direction of the positioning block (36), the positioning block (44) penetrates through the mounting opening (431) and is inserted into the positioning groove (36), and the driving assembly (5) is arranged in the rotary drum (3).

2. A high speed centrifuge as defined in claim 1, wherein: the utility model discloses a mounting hole, including mounting hole (431), limiting groove (432), the length direction of limiting groove (432) with the length direction of mounting hole (431) is the same, keep away from limiting groove (432) the first spring of one end fixedly connected with (433) of rotary drum (3), the length direction of first spring (433) with the length direction of limiting groove (432) is the same, the other end fixedly connected with limiting plate (434) of first spring (433), limiting plate (434) with locating piece (44) fixed connection.

3. A high speed centrifuge as claimed in claim 2, wherein: and one end of the positioning block (44) far away from the positioning groove (36) is fixedly connected with a hand push rod (441).

4. A high speed centrifuge as defined in claim 1, wherein: the driving assembly (5) comprises a motor (51) and a rotating shaft (52), the motor (51) is fixedly connected with the bottom end of the fixing rod (41), the rotating shaft (52) is vertically arranged, the top end of the rotating shaft (52) is fixedly connected with the bottom end of the motor (51), and the bottom end of the rotating shaft (52) is detachably connected with the rotating drum (3).

5. A high speed centrifuge as defined in claim 4, wherein: pivot (52) bottom is equipped with annular second mount pad (6), the bottom is equipped with bracing piece (35) in rotary drum (3), bracing piece (35) with pivot (52) coaxial setting, slot (61) have been seted up to second mount pad (6) bottom, the size of slot (61) with bracing piece (35) looks adaptation, draw-in groove (62) have all been seted up to slot (61) inner wall both sides, bracing piece (35) top is equipped with fixture block (353) with draw-in groove (62) looks adaptation.

6. A high speed centrifuge as defined in claim 5, wherein: the top of the side surface of the supporting rod (35) is provided with a fixing groove (351), the clamping blocks (353) are arranged in the fixing groove (351) in a sliding mode, a second spring (352) is arranged in the fixing groove (351), and two ends of the second spring (352) are fixedly connected with the two clamping blocks (353) respectively.

7. A high speed centrifuge as defined in claim 6, wherein: one side, far away from the slot (61), of the clamping groove (62) is provided with a through hole (63), and a sliding rod (64) is inserted in the through hole (63).

8. A high speed centrifuge as defined in claim 4 wherein: the motor (51) outer cover is provided with a fixed frame (411).

9. A high speed centrifuge as defined in claim 1, wherein: the rotary drum (3) is of a top opening structure, a liquid inlet pipe (33) is communicated with the top opening of the rotary drum (3), and a plurality of circular liquid outlets (34) are formed in the bottom end of the outer wall of the rotary drum (3) along the circumferential direction of the bottom end.

10. A high speed centrifuge as claimed in claim 9, wherein: the top end of the rotary drum (3) is fixedly connected with a conical plate (31), a liquid inlet (32) is formed in the top end of the conical plate (31), and the liquid inlet pipe (33) is communicated with the liquid inlet (32).