CN112808467A - Adjustable vacuum centrifugal machine - Google Patents
Adjustable vacuum centrifugal machine Download PDFInfo
- Publication number
- CN112808467A CN112808467A CN202011613521.6A CN202011613521A CN112808467A CN 112808467 A CN112808467 A CN 112808467A CN 202011613521 A CN202011613521 A CN 202011613521A CN 112808467 A CN112808467 A CN 112808467A
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- transmission
- rod
- screw rod
- transmission block
- supporting part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B5/0414—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes
- B04B5/0421—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles comprising test tubes pivotably mounted
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/04—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers
- B04B5/0407—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles
- B04B2005/0435—Radial chamber apparatus for separating predominantly liquid mixtures, e.g. butyrometers for liquids contained in receptacles with adapters for centrifuge tubes or bags
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Abstract
The application relates to an adjustable vacuum centrifuge, which comprises a casing, wherein a centrifugal cavity is formed in the casing, a centrifugal assembly is arranged in the centrifugal cavity, the centrifugal assembly comprises a motor, a rotor connected with the motor and a supporting part connected with the rotor, and a plurality of mounting holes used for placing test tubes are formed in the supporting part along the circumferential direction of the supporting part; the supporting part corresponds every group mounting hole and has seted up the sliding tray, the sliding tray communicates with the lateral wall of mounting hole, and the sliding tray is interior to radially slide along the mounting hole and is had the gag lever post, still correspond in the supporting part and be provided with the inclined plane driving medium that orders about gag lever post linear displacement. This application orders about the gag lever post rectilinear sliding through the inclined plane driving medium, makes its gag lever post can follow mounting hole radial displacement, satisfies the centre gripping work to the big or small test tube of different diameters to can reach a tractor serves several purposes, reduction in production cost's effect.
Description
Technical Field
The application relates to the field of biological tissue separation, in particular to an adjustable vacuum centrifuge.
Background
Centrifuges are often used in the medical or cosmetic industry for blood or fat centrifugation, and blood centrifuges are devices that separate blood plasma and blood serum from blood by using centrifugal force, and separate blood plasma and blood serum by using the characteristics of different densities or different sedimentation rates of substances. In medical units, a blood centrifuge is a commonly used blood analysis and detection device, and plays an important role in blood separation, virus research and medicine purification. The cosmetic industry often centrifuges PRP, which refers to platelet factor rich plasma.
Patent that publication number is CN206731327U discloses a cosmetic centrifuge, including can position and centrifugal device, centrifugal device includes motor, centrifugal chamber, rotor, is equipped with the position that is used for fixed test tube on the rotor, position and rotor coaxial coupling, and the position is seted up a plurality of fixed orificess that run through upper and lower lateral wall along self circumference, pegs graft the test tube in the fixed orifices, and the motor drives the rotor rotation again, realizes the rotation centrifugation work to the test tube.
To the correlation technique among the above-mentioned, the inventor thinks that the internal diameter of fixed orifices is invariable, only can satisfy the test tube of equidimension and carry out centrifugal work, and in the experimentation, need carry out centrifugal work to the test tube of equidimension not, so only can form a complete set up the centrifuge of multiple model and just can satisfy its work.
Disclosure of Invention
In order to achieve the effects of one machine with multiple purposes and reducing the production cost, the application provides an adjustable vacuum centrifuge.
The application provides a vacuum centrifuge with adjustable adopt following technical scheme:
an adjustable vacuum centrifuge comprises a casing, wherein a centrifugal cavity is formed in the casing, a centrifugal assembly is arranged in the centrifugal cavity, the centrifugal assembly comprises a motor, a rotor connected with the motor and a supporting part connected with the rotor, and a plurality of mounting holes used for placing test tubes are formed in the supporting part along the circumferential direction of the supporting part; the supporting part corresponds every group mounting hole and has seted up the sliding tray, the sliding tray communicates with the lateral wall of mounting hole, and the sliding tray is interior to radially slide along the mounting hole and is had the gag lever post, still correspond in the supporting part and be provided with the inclined plane driving medium that orders about gag lever post linear displacement.
By adopting the technical scheme, when centrifugal work is carried out, the test tube is inserted into the mounting hole, the motor drives the rotor to rotate, and the rotor drives the supporting part to rotate, so that the rotary centrifugal work of the test tube is realized;
in this in-process, because sliding tray and mounting hole intercommunication, order about the gag lever post straight line through the inclined plane driving medium and slide, make its gag lever post can follow the radial displacement of mounting hole, satisfy the centre gripping work to the big or small test tube of different diameters to can reach a tractor serves several purposes, reduction in production cost's effect.
Optionally, the inclined surface transmission part comprises a mounting seat mounted on the support part and a transmission rod inserted in the mounting seat, one end of the transmission rod is connected with the side wall of the limiting rod, a displacement block is fixed on the side wall of the transmission rod in the mounting seat, one side of the displacement block, which is far away from the limiting rod, is provided with an inclined surface one, and the inclined surface one is arranged in an inclined manner, which is far away from the transmission rod, and is close to the limiting rod; an adjusting channel for placing a displacement block is formed in the mounting seat, a first transmission block is linearly and slidably connected in the adjusting channel in a direction perpendicular to the length direction of the transmission rod, and the first transmission block is abutted to the first inclined surface in the displacement process; and a driving piece for driving the transmission block to move is further arranged on the mounting seat.
By adopting the technical scheme, the driving piece drives the first transmission block to move towards one side of the transmission rod, so that the first transmission block and the displacement block generate inclined surface transmission in the displacement process, the displacement block is driven to drive the transmission rod to move towards one side of the limiting rod, the limiting rod is driven to slide towards the mounting hole, the distance between the limiting rod and the side wall of the mounting hole is changed, and the test tube is clamped in the mounting hole; meanwhile, the first transmission block is always abutted to the inclined plane, reverse displacement of the displacement block can be limited, and stable clamping work of the limiting rod on the test tube is guaranteed.
Optionally, a second inclined surface symmetrical to the first inclined surface is formed on the lower end surface of the displacement block, a second transmission block parallel to the first transmission block is connected in the adjusting channel in a sliding manner, the second transmission block abuts against the second inclined surface in the displacement process, and in an initial state, the first transmission block is close to the transmission rod, and the second transmission block is far away from the transmission rod and is arranged in a staggered manner; the driving piece drives the first transmission block and the second transmission block to synchronously and reversely move.
Through adopting above-mentioned technical scheme, transmission piece two produces the inclined plane transmission with inclined plane two, so usable driving piece drive transmission piece one, transmission piece two are synchronous reverse displacement work, realize the straight reciprocating displacement of transfer line, so can play the clamping work to the not test tube of equidimension according to real-time demand.
Optionally, the driving part comprises a first screw rod and a second screw rod which are arranged in the length direction of the vertical transmission rod, the first screw rod and the second screw rod are rotatably connected in the mounting seat, the first screw rod penetrates through the transmission block and is in threaded fit with the first transmission block, and the second screw rod penetrates through the second transmission block and is in threaded fit with the second transmission block.
By adopting the technical scheme, the screw rod I and the screw rod II are respectively matched with the screw threads of the transmission block I and the transmission block II, and when the screw rod I and the screw rod II are driven to rotate simultaneously, synchronous reverse displacement work of the transmission block I and the transmission block II can be realized.
Optionally, the first screw rod and the second screw rod have the same thread direction, a first gear meshed with each other is coaxially fixed on the first screw rod and the second screw rod respectively, the first screw rod extends out of the mounting seat, and one end of the first screw rod, which is located outside the mounting seat, is connected with a rotating wheel.
By adopting the technical scheme, the screw thread directions of the first screw rod and the second screw rod are the same, and the first gear is meshed with each other to work, so that the first screw rod and the second screw rod can be driven to synchronously and reversely rotate only by driving the first screw rod to rotate through the rotating wheel, and the synchronous reverse displacement work of the first transmission block and the second transmission block can be realized.
Optionally, the rotating wheel is a second gear, the upper end of the rotor is coaxially and rotatably connected with a gear ring, the gear ring is simultaneously meshed with the second gear, and a handle is eccentrically fixed at the upper end of the gear ring.
Through adopting above-mentioned technical scheme, utilize the ring gear to rotate and connect on the rotor, and drive the ring gear through the handle and rotate, make its ring gear under the meshing effect with all gear two, can adjust the displacement of all gag lever posts relative mounting holes simultaneously, realize the tight work of clamp to the multiunit test tube, make things convenient for staff's operation.
Optionally, a positioning column with a diameter smaller than that of the rotor is coaxially fixed at the upper end of the rotor, and a through hole sleeved on the positioning column is formed in the middle of the gear ring.
Through adopting above-mentioned technical scheme, utilize the cooperation of reference column and ring gear through-hole, realize the location of ring gear and rotor, can dismantle the ring gear simultaneously, reduce the influence to centrifugal work.
Optionally, the gear ring is provided with a plurality of weight reduction grooves along the circumferential direction of the gear ring.
By adopting the technical scheme, the weight of the gear ring is reduced, and the gear ring is convenient to take and place.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sliding groove is communicated with the mounting hole, and the limiting rod is driven to slide linearly by the inclined transmission part, so that the limiting rod can be displaced radially along the mounting hole, and the clamping work of test tubes with different diameters is met, thereby achieving the effects of one machine with multiple purposes and reducing the production cost;
2. the second transmission block and the second inclined plane generate inclined plane transmission, so that the first transmission block and the second transmission block can be driven by the driving piece to perform synchronous reverse displacement work, linear reciprocating displacement of the transmission rod is realized, and clamping work can be performed on test tubes of different sizes according to real-time requirements.
Drawings
Fig. 1 is an overall structural view of an adjustable vacuum centrifuge according to an embodiment of the present application.
Fig. 2 is a schematic structural view of the rotor and the support part in fig. 1.
Fig. 3 is a partial structural schematic view of the support portion and the limiting rod in fig. 2.
FIG. 4 is a schematic cross-sectional view of the bevel drive of FIG. 3.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Description of reference numerals: 1. a housing; 2. a centrifugal chamber; 3. a centrifuge assembly; 31. a rotor; 32. a support portion; 33. mounting holes; 4. a sliding groove; 5. a limiting rod; 6. covering the door; 7. a transmission member; 71. a mounting seat; 72. a chute; 73. a transmission rod; 74. a displacement block; 75. adjusting the channel; 76. a first inclined plane; 77. a second inclined plane; 78. a first transmission block; 79. a second transmission block; 8. a drive member; 81. a first screw rod; 82. a second screw rod; 83. a first gear; 9. a ring gear; 10. a positioning column; 11. a handle; 12. and a second gear.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses an adjustable vacuum centrifuge, which refers to fig. 1 and 2 and comprises a casing 1, wherein a centrifugal cavity 2 is formed in the casing 1, the upper end of the centrifugal cavity 2 is provided with an opening, and a covering door 6 for closing the opening is hinged on the casing 1; a centrifugal assembly 3 is arranged in the centrifugal cavity 2, the centrifugal assembly 3 comprises a motor, the motor adopts a stepping motor, the motor is vertically fixed in the machine shell 1, an output shaft of the motor is coaxially fixed with a rotor 31, the rotor 31 is connected with a supporting part 32, the supporting part 32 is provided with a plurality of mounting holes 33 along the circumferential direction, and the mounting holes 33 penetrate through the upper and lower side walls of the supporting part 32; after the test tube is inserted into the mounting hole 33, the motor drives the rotor 31 and the supporting part 32 to rotate, so that the centrifugal layering work of the substances in the test tube is realized.
Referring to fig. 3, sliding tray 4 has been seted up to every group mounting hole 33 of above-mentioned supporting part 32 correspondence, sliding tray 4 and mounting hole 33's lateral wall intercommunication, and sliding connection has gag lever post 5 in sliding tray 4, still is provided with inclined plane driving medium 7 in the supporting part 32, and inclined plane driving medium 7 orders about gag lever post 5 along mounting hole 33 radial displacement in sliding tray 4, changes the space size of centre gripping test tube in the mounting hole 33.
Referring to fig. 4 and 5, the bevel transmission member 7 includes a mounting seat 71, the mounting seat 71 is fixed on the support portion 32, a sliding groove 72 penetrates through the mounting seat 71 along the horizontal direction, a transmission rod 73 is inserted into the sliding groove 72, and one end of the transmission rod 73 is fixed with the side wall of the limiting rod 5; a displacement block 74 is fixed on one side of the transmission rod 73 in the sliding groove 72, the displacement block 74 is an isosceles trapezoid block of which the lower bottom is fixed with the transmission rod 73, and two end surfaces of the displacement block 74 along the length direction of the transmission rod 73 are respectively provided with a first inclined surface 76/a second inclined surface 77; an adjusting channel 75 communicated with the sliding groove 72 is further formed in the mounting seat 71, and the displacement block 74 is located in the adjusting channel 75; the adjusting channel 75 is provided with a first transmission block 78 and a second transmission block 79 corresponding to the first inclined plane 76/the second inclined plane 77, and the side walls of the first transmission block 78 and the second transmission block 79 are respectively abutted against the straight surface of the side wall of the adjusting channel 75; the first transmission block 78 and the second transmission block 79 are always in the abutting state with the first inclined plane 76 and the second inclined plane 77, and in the initial state, the first transmission block 78 is close to one side of the transmission rod 73, and the second transmission block 79 is arranged in a staggered mode far away from one side of the transmission rod 73; the installation seat 71 is further internally provided with a driving piece 8 for driving the first transmission block 78 and the second transmission block 79 to synchronously and reversely move, when the driving piece 8 drives the first transmission block 78 and the second transmission block 79 to synchronously and reversely move, the first transmission block 78, the second transmission block 79 and the displacement block 74 are in inclined surface transmission, the driving rod 73 is driven to drive the limiting rod 5 to linearly move, and the gap between the limiting rod 5 and the installation hole 33 is changed.
The driving piece 8 comprises a first screw rod 81 and a second screw rod 82, the first screw rod 81 and the second screw rod 82 are rotatably connected in the mounting seat 71 and are both perpendicular to the length direction of the transmission rod 73; the first screw rod 81 penetrates through the first transmission block 78 and is in threaded fit with the first transmission block 78, and the second screw rod 82 penetrates through the second transmission block 79 and is in threaded fit with the second transmission block 79. The first screw rod 81 and the second screw rod 82 have the same thread direction, a first gear 83 meshed with each other is coaxially fixed on each of the first screw rod 81 and the second screw rod 82, one end of the first screw rod 81 extends out of the mounting seat 71, a second gear 12 is coaxially fixed on one end of the first screw rod 81, which is located outside the mounting seat 71, and the first screw rod 81 and the second screw rod 82 are driven to rotate synchronously and reversely through the second gear 12.
Referring to fig. 2 and 5, a positioning column 10 is coaxially fixed at the upper end of the rotor 31, the diameter of the positioning column 10 is smaller than that of the rotor 31, the upper section of the positioning column 10 is arranged in a circular truncated cone shape, a gear ring 9 is sleeved on the positioning column 10, and a through hole with the same diameter as that of the positioning column 10 is coaxially formed in the center of the gear ring 9; the gear ring 9 is simultaneously meshed with all the second gears 12, and a handle 11 is eccentrically and vertically fixed at the upper end of the gear ring 9; the gear ring 9 is driven to rotate by the handle 11, so that the rotation of all the second gears 12 and the first screw rods 81 is realized, and the synchronous linear displacement work of all the limiting rods 5 is realized.
In this embodiment, in order to facilitate the detachment of the gear ring 9, the gear ring 9 is provided with a plurality of weight reduction grooves penetrating the upper and lower side walls along the circumferential direction.
The implementation principle of the adjustable vacuum centrifuge of the embodiment of the application is as follows: when carrying out the centre gripping to the test tube, peg graft in proper order in the mounting hole 33 that corresponds with the test tube earlier, it rotates to drive ring gear 9 through handle 11 again, and then drive two 12 gears and a 81 rotations of lead screw, two 82 synchronous antiport of lead screw simultaneously, realize the synchronous antiport work of a drive block 78 and two 79 drive blocks, and then drive transfer line 73 and 5 linear displacement of gag lever post, make its 5 displacement in-process of gag lever post, press from both sides the test tube tightly in mounting hole 33, realize the clamping work to the test tube, again take out ring gear 9, close and cover door 6, the starter motor, drive rotor 31 and supporting part 32 and rotate, the centrifugal work to a plurality of test tubes is realized.
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 (8)
1. An adjustable vacuum centrifuge comprises a machine shell (1), wherein a centrifugal cavity (2) is formed in the machine shell (1), a centrifugal assembly (3) is arranged in the centrifugal cavity (2), the centrifugal assembly (3) comprises a motor, a rotor (31) connected with the motor and a supporting part (32) connected with the rotor (31), and a plurality of mounting holes (33) used for placing test tubes are formed in the supporting part (32) along the circumferential direction of the supporting part; the method is characterized in that: supporting part (32) correspond every group mounting hole (33) and have seted up sliding tray (4), sliding tray (4) and the lateral wall intercommunication of mounting hole (33), and follow mounting hole (33) and radially slide spacing rod (5) in sliding tray (4), still correspond in supporting part (32) and be provided with inclined plane driving medium (7) of driving about spacing rod (5) linear displacement.
2. The adjustable vacuum centrifuge of claim 1, wherein: the inclined surface transmission part (7) comprises an installation seat (71) installed on the supporting part (32) and a transmission rod (73) inserted in the installation seat (71), one end of the transmission rod (73) is connected with the side wall of the limiting rod (5), a displacement block (74) is fixed on the side wall, located in the installation seat (71), of the transmission rod (73), one side, away from the limiting rod (5), of the displacement block (74) is provided with a first inclined surface (76), and the first inclined surface (76) is obliquely arranged on the side, away from the transmission rod (73), of the first inclined surface and close to the limiting rod (5); an adjusting channel (75) for placing a displacement block (74) is formed in the mounting seat (71), a first transmission block (78) is linearly and slidably connected in the adjusting channel (75) in a direction perpendicular to the length direction of the transmission rod (73), and the first transmission block (78) is abutted to the first inclined surface (76) in the displacement process; and a driving piece (8) for driving the first transmission block (78) to move is further arranged on the mounting seat (71).
3. The adjustable vacuum centrifuge of claim 2, wherein: a second inclined plane (77) symmetrically arranged with the first inclined plane (76) is formed on the lower end face of the displacement block (74), a second transmission block (79) arranged in parallel with the first transmission block (78) is connected in the adjusting channel (75) in a sliding mode, the second transmission block (79) is abutted to the second inclined plane (77) in the displacement process, and in the initial state, the first transmission block (78) is close to the transmission rod (73), and the second transmission block (79) is far away from the transmission rod (73) in a staggered mode; the driving piece (8) drives the first transmission block (78) and the second transmission block (79) to synchronously and reversely move.
4. The adjustable vacuum centrifuge of claim 3, wherein: the driving piece (8) comprises a first screw rod (81) and a second screw rod (82) which are arranged in the length direction of the vertical transmission rod (73), the first screw rod (81) and the second screw rod (82) are rotatably connected into the mounting seat (71), the first screw rod (81) penetrates through the first transmission block (78) and is in threaded fit with the first transmission block (78), and the second screw rod (82) penetrates through the second transmission block (79) and is in threaded fit with the second transmission block (79).
5. The adjustable vacuum centrifuge of claim 4, wherein: the screw thread direction of the first screw rod (81) is the same as that of the second screw rod (82), the first screw rod (81) and the second screw rod (82) are respectively and coaxially fixed with a first gear (83) which is meshed with each other, the first screw rod (81) extends out of the mounting seat (71), and one end, located out of the mounting seat (71), of the first screw rod (81) is connected with a rotating wheel.
6. The adjustable vacuum centrifuge of claim 5, wherein: the rotating wheel is provided with a second gear (12), the upper end of the rotor (31) is coaxially and rotatably connected with a gear ring (9), the gear ring (9) is simultaneously meshed with the second gear (12), and a handle (11) is eccentrically fixed at the upper end of the gear ring (9).
7. The adjustable vacuum centrifuge of claim 6, wherein: the upper end of the rotor (31) is coaxially fixed with a positioning column (10) with the diameter smaller than that of the rotor (31), and the middle of the gear ring (9) is provided with a through hole sleeved on the positioning column (10).
8. The adjustable vacuum centrifuge of claim 7, wherein: and the gear ring (9) is provided with a plurality of weight reduction grooves along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011613521.6A CN112808467A (en) | 2020-12-30 | 2020-12-30 | Adjustable vacuum centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011613521.6A CN112808467A (en) | 2020-12-30 | 2020-12-30 | Adjustable vacuum centrifugal machine |
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| Publication Number | Publication Date |
|---|---|
| CN112808467A true CN112808467A (en) | 2021-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011613521.6A Pending CN112808467A (en) | 2020-12-30 | 2020-12-30 | Adjustable vacuum centrifugal machine |
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| CN (1) | CN112808467A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20307913U1 (en) * | 2003-05-19 | 2003-09-04 | Martin Christ Gefriertrocknung | Laboratory bench rotary vacuum concentrator comprises internal magnetic drive, for slow removal of solvent in test tube scale preparations |
| US20120283085A1 (en) * | 2009-11-19 | 2012-11-08 | Smart Hospital S.R.L. | Centrifugal apparatus for biochemical processes comprising a gas channeling system |
| CN206824030U (en) * | 2016-12-30 | 2018-01-02 | 天津万井科技开发有限公司 | A kind of centrifuge for being applicable centrifuge tubes with different diameters |
| CN109663487A (en) * | 2019-01-24 | 2019-04-23 | 杭州大地海洋环保股份有限公司 | A kind of exhaust treatment system |
| CN109899781A (en) * | 2019-01-12 | 2019-06-18 | 湖州加怡新市热电有限公司 | A kind of flying dust back fire device |
| CN209624204U (en) * | 2019-02-01 | 2019-11-12 | 重庆市食品药品检验检测研究院 | A kind of food inspection nitrogen evaporator test tube mounting base |
| CN211946981U (en) * | 2020-03-04 | 2020-11-17 | 郑州奥博细胞医学实验室有限公司 | Stem cell humidifying centrifugal equipment |
-
2020
- 2020-12-30 CN CN202011613521.6A patent/CN112808467A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20307913U1 (en) * | 2003-05-19 | 2003-09-04 | Martin Christ Gefriertrocknung | Laboratory bench rotary vacuum concentrator comprises internal magnetic drive, for slow removal of solvent in test tube scale preparations |
| US20120283085A1 (en) * | 2009-11-19 | 2012-11-08 | Smart Hospital S.R.L. | Centrifugal apparatus for biochemical processes comprising a gas channeling system |
| CN206824030U (en) * | 2016-12-30 | 2018-01-02 | 天津万井科技开发有限公司 | A kind of centrifuge for being applicable centrifuge tubes with different diameters |
| CN109899781A (en) * | 2019-01-12 | 2019-06-18 | 湖州加怡新市热电有限公司 | A kind of flying dust back fire device |
| CN109663487A (en) * | 2019-01-24 | 2019-04-23 | 杭州大地海洋环保股份有限公司 | A kind of exhaust treatment system |
| CN209624204U (en) * | 2019-02-01 | 2019-11-12 | 重庆市食品药品检验检测研究院 | A kind of food inspection nitrogen evaporator test tube mounting base |
| CN211946981U (en) * | 2020-03-04 | 2020-11-17 | 郑州奥博细胞医学实验室有限公司 | Stem cell humidifying centrifugal equipment |
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Application publication date: 20210518 |
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