CN220461002U - Discharging device for non-Newtonian fluid tube centrifuge - Google Patents
Discharging device for non-Newtonian fluid tube centrifuge Download PDFInfo
- Publication number
- CN220461002U CN220461002U CN202322020532.9U CN202322020532U CN220461002U CN 220461002 U CN220461002 U CN 220461002U CN 202322020532 U CN202322020532 U CN 202322020532U CN 220461002 U CN220461002 U CN 220461002U
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- rotary drum
- shearing
- newtonian fluid
- driving
- plate
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- 239000012530 fluid Substances 0.000 title claims abstract description 38
- 238000007599 discharging Methods 0.000 title abstract description 18
- 238000010008 shearing Methods 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000002002 slurry Substances 0.000 abstract description 12
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 6
- 229910052901 montmorillonite Inorganic materials 0.000 description 6
- 239000002135 nanosheet Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002064 nanoplatelet Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Landscapes
- Centrifugal Separators (AREA)
Abstract
The utility model relates to a discharge device for a non-Newtonian fluid tube centrifuge, comprising: the device comprises a rotary drum, a limiting ring, a shearing assembly and a driving mechanism; the rotary drum comprises a rotating shaft, baffles and a rotary drum, wherein the rotating shaft is coaxially arranged in the rotary drum extending in the up-down direction, and a plurality of baffles are uniformly distributed and fixed on the rotating shaft and positioned in the rotary drum; two limiting rings which are opposite up and down are coaxially arranged in the rotary drum; the shearing assembly is slidably arranged on the two limiting rings and comprises a shearing plate and a plurality of shearing sheets; the driving mechanism is in driving connection with the shearing plate. The discharging device is simple in structure and convenient to operate, the shearing and thinning characteristics of the non-Newtonian fluid are fully utilized, automatic discharging of the non-Newtonian fluid slurry after being sheared in the rotary drum can be achieved, the defect that the traditional discharging mode is difficult to scrape due to the fact that the non-Newtonian fluid is sticky under static state is avoided, and meanwhile the problems that labor intensity is high and centrifugal efficiency is low due to the fact that the rotary drum is required to be frequently taken out in the traditional discharging mode are solved.
Description
Technical Field
The utility model relates to the technical field of centrifugation, in particular to a discharge device for a non-Newtonian fluid tube centrifuge.
Background
In recent years, montmorillonite nano-sheets have been widely used in the fields of biology, medicine, environment and the like. However, montmorillonite nano-sheets are usually prepared by stripping in aqueous solution, and the concentration of the nano-sheets is usually controlled within a certain range in the practical application process to meet the application requirements; thus, the exfoliated montmorillonite nanoplatelets need to be further concentrated to meet their concentration requirements.
The tube centrifuge is a high-speed centrifugal machine which can be used for concentrating montmorillonite nano-sheets. However, in the unloading process of the conventional tubular centrifugal machine, after the centrifugal machine is stopped, taking out the rotary drum and the baffle plate in the rotary drum, and then manually unloading by adopting a spatula; montmorillonite is a non-Newtonian fluid and has the characteristics of high viscosity under static conditions and low viscosity under shearing conditions; in the process of scraping the concentrated montmorillonite nano sheet slurry by a spatula, the problem that the slurry becomes sticky statically and is difficult to scrape out exists, and the operation not only affects the centrifugal efficiency and has high labor intensity, but also has large damage to the low-centrifugal machine drum due to frequent disassembly.
Therefore, there is a need to design a discharge apparatus for a non-newtonian fluid tube centrifuge that overcomes the above-described problems.
Disclosure of Invention
The utility model aims to provide a discharging device for a non-Newtonian fluid tube centrifuge, which has a simple structure, is convenient to operate, fully utilizes the shear thinning characteristic of the non-Newtonian fluid, can realize automatic discharging of non-Newtonian fluid slurry after being sheared in a rotary drum, avoids the defect that the traditional discharging mode is difficult to scrape due to the viscosity of the non-Newtonian fluid in a static state, and simultaneously solves the problems of high labor intensity and low centrifugal efficiency caused by frequent taking out of the rotary drum in the traditional discharging mode.
The utility model provides a discharge device for a non-Newtonian fluid tube centrifuge, which comprises: the device comprises a rotary drum, a limiting ring, a shearing assembly and a driving mechanism; the rotary drum comprises a rotating shaft, baffles and a rotary drum, wherein the rotating shaft is coaxially arranged in the rotary drum extending in the up-down direction, and a plurality of baffles are uniformly distributed and fixed on the rotating shaft and positioned in the rotary drum; two limiting rings which are opposite up and down are coaxially arranged in the rotary drum; the shearing assembly comprises a shearing plate and a plurality of shearing slices, the upper end and the lower end of the shearing plate are both slidably arranged on the two limiting rings, the outer wall of the shearing plate is attached to the inner wall of the rotary drum, and the plurality of shearing slices are arranged on the inner wall of the shearing plate up and down; the driving mechanism is in driving connection with the shearing plate and drives the shearing plate to reciprocate along the limiting ring.
Preferably, the shear plate is arcuate in shape conforming to the inner wall of the bowl.
Preferably, the shear blade tapers in a direction away from the shear plate.
Preferably, the shear slice is arcuate.
Preferably, the shear blade is non-perpendicular to the shear plate.
Preferably, the shear blade is secured to the shear plate in an inclined manner.
Preferably, the driving mechanism comprises a driving seat, a driving motor, a driving shaft, a transmission rod, a connecting rod and a telescopic rod, wherein the driving motor is arranged on the driving seat, one end of the driving shaft in the length direction is fixed at the output end of the driving motor, the length direction of the driving shaft is perpendicular to the output end of the driving motor, one end part of the connecting rod is rotatably arranged on the driving seat, the transmission rod is respectively rotatably connected with the other end of the length direction of the driving shaft and the middle part of the connecting rod, one end of the telescopic rod is arranged on the shearing plate, and the other end of the telescopic rod is connected with the other end of the connecting rod.
Preferably, the drive seat is fixed to the top of the drum.
Preferably, the shearing assembly is arranged between two adjacent baffles, and the shearing assembly is arranged between two adjacent baffles.
Preferably, the outer circumference of the shear plate is 1/30-1/15 of the circumference of the inner wall of the drum.
The utility model has the following advantages and beneficial effects: the discharging device is simple in structure and convenient to operate, the shearing and thinning characteristics of the non-Newtonian fluid are fully utilized, automatic discharging of the non-Newtonian fluid slurry after being sheared in the rotary drum can be achieved, the defect that the traditional discharging mode is difficult to scrape due to the fact that the non-Newtonian fluid is sticky under static state is avoided, and meanwhile the problems that labor intensity is high and centrifugal efficiency is low due to the fact that the rotary drum is required to be frequently taken out in the traditional discharging mode are solved.
Drawings
FIG. 1 is a schematic view of a drum according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of a discharge apparatus for a non-Newtonian fluid bowl centrifuge according to a preferred embodiment of the present utility model;
FIG. 3 is a top view of a discharge apparatus for a non-Newtonian fluid bowl centrifuge according to a preferred embodiment of the present utility model;
FIG. 4 is another angular cross-sectional view of a discharge apparatus for a non-Newtonian fluid bowl centrifuge according to a preferred embodiment of the present utility model;
FIG. 5 is a schematic view of a driving mechanism according to a preferred embodiment of the present utility model;
FIG. 6 is a schematic view of a shear assembly according to a preferred embodiment of the present utility model;
FIG. 7 is an enlarged schematic view of a shear assembly according to a preferred embodiment of the present utility model;
reference numerals illustrate:
1. a rotary drum 11, a rotating shaft 12, a baffle 13 and a rotary drum,
2. a limiting ring is arranged on the inner side of the sleeve,
3. a shearing assembly 31, a shearing plate 32, a shearing sheet,
4. the device comprises a driving mechanism 41, a driving seat 42, a driving shaft 43, a transmission rod 44, a connecting rod 45 and a telescopic rod.
Detailed Description
For a better understanding of the present utility model, the following examples are further illustrative of the present utility model, but the contents of the present utility model are not limited to the following examples only.
As shown in fig. 1 to 7, a discharge apparatus for a non-newtonian fluid tube centrifuge, comprising: the device comprises a rotary drum 1, a limiting ring 2, a shearing assembly 3 and a driving mechanism 4.
The rotary drum 1 comprises a rotary shaft 11, baffles 12 and a rotary drum 13, wherein the rotary shaft 11 is coaxially arranged in the rotary drum 13 extending in the up-down direction, a plurality of baffles 12 are uniformly distributed and fixed on the rotary shaft 11 and positioned in the rotary drum 13, and the baffles 12 and the rotary shaft 11 are integrally formed. The two limiting rings 2 are coaxially arranged in the rotary drum 13 in an up-down opposite mode, the limiting rings 2 can be arranged on the inner wall of the rotary drum 13 and also can be detachably arranged at the upper end and the lower end of the plurality of baffles 12. Simultaneously, shearing subassembly 3 includes shearing board 31 and a plurality of shearing piece 32, and the equal slidable mounting in both ends is on two spacing rings 2 about shearing board 31, is equipped with the spacing groove that extends along spacing ring 2 on the spacing ring 2, and shearing board 31 slidable mounting is in the spacing inslot, and shearing board 31 outer wall and the laminating of rotary drum 13 inner wall set up, and the setting that a plurality of shearing pieces 32 arranged from top to bottom is at shearing board 31 inner wall. And the driving mechanism 4 is in driving connection with the shearing plate 31, and drives the shearing plate 31 to reciprocate along the limiting ring 2. The shearing plate 31 reciprocates in the rotary drum 13 along the limit groove under the driving action of the driving mechanism 4, and is always kept in contact with the inner wall of the rotary drum 13 in the process, so that slurry on the inner wall of the rotary drum 13 can be sheared and transferred to the shearing plate 31. For easy assembly and disassembly, the shear plate 31 is detachably mounted on the stop collar 2. In this embodiment, shearing module 3 sets up between two adjacent baffles 12, and all is equipped with shearing module 3 between three two adjacent baffles 12, can comprehensively carry out shearing transfer to the ground paste in the rotary drum 13, makes things convenient for the ejection of compact.
Meanwhile, the shear plate 31 is arc-shaped and is attached to the inner wall of the rotary drum 13, the outer Zhou Huchang of the shear plate 31 is 1/30-1/15 of the circumference of the inner wall of the rotary drum 13, and the thickness is 1-10mm. The shearing sheet 32 is gradually thinned along the direction far away from the shearing plate 31, and has a shearing structure design with two thinner sides and a thick middle, so that slurry deposited on the inner wall of the rotary drum 13 can be sheared more greatly in the shearing process, and meanwhile, the included angle alpha between the shearing sheet 32 and the shearing plate 31 is 110-160 degrees, so that the slurry in all areas in the rotary drum 13 can be sheared. The shear blade 32 is designed to have a certain curvature, and both sides are bent downward of the drum 13, the curvature is 0.1-1m -1 It is ensured that the sheared and thinned non-newtonian fluid flows down the shear plate 31 until it exits the discharge port at the bottom of the bowl 13.
As shown in fig. 2, 3 and 5, the driving mechanism 4 includes a driving seat 41, a driving motor, a driving shaft 42, a transmission rod 43, a connecting rod 44 and a telescopic rod 45. Wherein, the driving motor is installed on the driving seat 41, one end of the driving shaft 42 in the length direction is fixed at the output end of the driving motor, the length direction of the driving shaft 42 is vertical to the output end of the driving motor, one end of the connecting rod 44 is rotatably installed on the driving seat 41, the transmission rod 43 is respectively rotatably connected with the other end of the driving shaft 42 in the length direction and the middle part of the connecting rod 44, one end of the telescopic rod 45 is arranged on the shearing plate 31, and the other end of the telescopic rod 45 is connected with the other end of the connecting rod 44; the output end of the driving motor and the rotation centers of the driving shaft 42, the transmission rod 43 and the connecting rod 44 are all parallel to the axle center of the rotating shaft 11. Meanwhile, the driving seat 41 is fixed at the top of the rotary drum 13, is coated outside the driving motor and is waterproof, and the influence of feed liquid in the centrifugal process on operation in the device is avoided.
In the running process of the driving motor, the driving shaft 42 circularly moves, the connecting rod 44 is driven to reciprocate through the transmission rod 43, the connecting rod 44 which reciprocates drives the shearing plate 31 to reciprocate along the limiting ring 2 through the telescopic rod 45, and the telescopic structure of the telescopic rod 45 can avoid the problem of uneven shearing caused by different transmission distances when the shearing plate 31 reciprocates.
In the use process of the device, firstly, the tubular centrifuge is stopped, the rotation of the rotary drum 1 in the centrifuge is stopped, centrifugal supernatant is automatically discharged from a discharge port at the bottom of the rotary drum 13, then a driving motor is started, a shearing plate 31 is closely attached to the inner wall of the rotary drum 13 and respectively performs reciprocating shearing motion in three areas divided by a baffle plate 12, and the rotating speed of the driving motor is 10-500r/min; the non-Newtonian fluid slurry deposited on the inner wall of the rotary drum 13 is sheared by the shearing assembly 3 from the initially static high-viscosity state, the viscosity is obviously reduced, the non-Newtonian fluid slurry is changed from the solidification state to the flow state and flows downwards along the shearing sheets 32 to the discharge outlet at the bottom of the rotary drum 13 to be discharged, and the non-Newtonian fluid slurry can be automatically discharged in the tubular centrifuge drum 1.
The discharging device is simple in structure and convenient to operate, the shearing and thinning characteristics of the non-Newtonian fluid are fully utilized, automatic discharging of the non-Newtonian fluid slurry after being sheared in the rotary drum 1 can be achieved, the defect that the traditional discharging mode is difficult to scrape due to the fact that the non-Newtonian fluid is sticky under static state is avoided, and meanwhile the problems that the labor intensity is high and the centrifugal efficiency is low due to the fact that the rotary drum 1 needs to be frequently taken out in the traditional discharging mode are solved.
While the utility model has been described with respect to the preferred embodiments, it will be understood that the utility model is not limited thereto, but is capable of modification and variation without departing from the spirit of the utility model, as will be apparent to those skilled in the art.
Claims (10)
1. A discharge apparatus for a non-newtonian fluid tube centrifuge, comprising: the device comprises a rotary drum, a limiting ring, a shearing assembly and a driving mechanism; the rotary drum comprises a rotating shaft, baffles and a rotary drum, wherein the rotating shaft is coaxially arranged in the rotary drum extending in the up-down direction, and a plurality of baffles are uniformly distributed and fixed on the rotating shaft and positioned in the rotary drum; two limiting rings which are opposite up and down are coaxially arranged in the rotary drum; the shearing assembly comprises a shearing plate and a plurality of shearing slices, the upper end and the lower end of the shearing plate are both slidably arranged on the two limiting rings, the outer wall of the shearing plate is attached to the inner wall of the rotary drum, and the plurality of shearing slices are arranged on the inner wall of the shearing plate up and down; the driving mechanism is in driving connection with the shearing plate and drives the shearing plate to reciprocate along the limiting ring.
2. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the shear plate is an arc attached to the inner wall of the rotary drum.
3. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the shear slice is gradually thinned in a direction away from the shear plate.
4. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the shear slice is arc-shaped.
5. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the shear slice is not perpendicular to the shear plate.
6. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the shearing sheet is obliquely fixed on the shearing plate.
7. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the driving mechanism comprises a driving seat, a driving motor, a driving shaft, a transmission rod, a connecting rod and a telescopic rod, wherein the driving motor is installed on the driving seat, one end of the driving shaft in the length direction is fixed at the output end of the driving motor, the length direction of the driving shaft is perpendicular to the output end of the driving motor, one end of the connecting rod is rotatably installed on the driving seat, the transmission rod is rotatably connected with the other end of the driving shaft in the length direction and the middle of the connecting rod respectively, one end of the telescopic rod is arranged on the shearing plate, and the other end of the telescopic rod is connected with the other end of the connecting rod.
8. A discharge apparatus for a non-newtonian fluid tube centrifuge as set forth in claim 7, wherein: the driving seat is fixed at the top of the rotary drum.
9. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the shearing assembly is arranged between two adjacent baffles, and the shearing assembly is arranged between two adjacent baffles.
10. A discharge apparatus for a non-newtonian fluid bowl centrifuge as set forth in claim 1, wherein: the outer circumference of the shear plate is 1/30-1/15 of the circumference of the inner wall of the rotary drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322020532.9U CN220461002U (en) | 2023-07-28 | 2023-07-28 | Discharging device for non-Newtonian fluid tube centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322020532.9U CN220461002U (en) | 2023-07-28 | 2023-07-28 | Discharging device for non-Newtonian fluid tube centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220461002U true CN220461002U (en) | 2024-02-09 |
Family
ID=89803266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322020532.9U Active CN220461002U (en) | 2023-07-28 | 2023-07-28 | Discharging device for non-Newtonian fluid tube centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220461002U (en) |
-
2023
- 2023-07-28 CN CN202322020532.9U patent/CN220461002U/en active Active
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