CN108421646A - A kind of vertical wet-process gradation centrifuge - Google Patents
A kind of vertical wet-process gradation centrifuge Download PDFInfo
- Publication number
- CN108421646A CN108421646A CN201710081390.3A CN201710081390A CN108421646A CN 108421646 A CN108421646 A CN 108421646A CN 201710081390 A CN201710081390 A CN 201710081390A CN 108421646 A CN108421646 A CN 108421646A
- Authority
- CN
- China
- Prior art keywords
- particles
- particle
- size
- cavity
- separation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002245 particle Substances 0.000 claims abstract description 81
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000005119 centrifugation Methods 0.000 claims abstract description 4
- 238000009826 distribution Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 240000007817 Olea europaea Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B5/00—Other centrifuges
- B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
Landscapes
- Centrifugal Separators (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
Present invention aims at provide a kind of vertical wet-process gradation centrifuge, including discharging rotary joint, Hollow Transmission Shafts, separation turbine, rotor, cavity.Discharge rotary joint, is mounted on the top of Hollow Transmission Shafts；Hollow Transmission Shafts are mounted on above retainer；Cavity mainly provides a closed separated space, is divided into upper cavity and lower chamber；Rotor is mounted on the lower end of separation turbine；Turbine is detached, the bottom of Hollow Transmission Shafts is mounted on；Design Mechanism is controlled with rotating speed, pressure and valve flow in this way, to realize particle wet process granule fractional centrifugation.
Description
Technical field
The invention belongs to particle preparation and classification and separation equipment fields, and in particular to a kind of vertical wet-process gradation from
Scheming.
Background technology
After particle is by medium stirring mill extra-fine grinding or dispersion in slurry, fine of different-grain diameter being ground or disperse
Grain is in variable grain（That is, large-size particles, middle particles and small size particle）Particle diameter distribution.But wide of institute's output
The product of grain particle diameter distribution is difficult the requirement for meeting modern science and technology and application.Currently, according to fine of different-grain diameter in slurry
Grain material, most common gradation method are using the methods of screening, gravitational settling and centrifugation, although can reach
The certain effect of gradation, but process is various, complicated for operation, classification efficiency is relatively low, is unfavorable for the high-volume of gradation
Production, and gradation effect is also undesirable, is especially difficult to realize submicron order or nanometer with above-mentioned technique and technology
Effective ultra-fine grain classification of grade.Therefore, a kind of vertical wet-process gradation centrifuge is invented to micron order, sub-micron in slurry
Grade has particularly important practical significance and application value with nano-scale particle classification.
Invention content
Present invention aims at provide a kind of vertical wet-process gradation centrifuge, including discharging rotary joint, hollow biography
Moving axis, separation turbine, rotor, cavity.
The discharging rotary joint, is mounted on the top of Hollow Transmission Shafts, and transmission shaft rotates and discharges rotary joint not
Turn to ensure orientation discharging.
The Hollow Transmission Shafts are mounted on above retainer, have both played the role of being driven rotor, and axis hole is given small again
Particles provide tapping channel.
The cavity mainly provides a closed separated space, is divided into upper cavity and lower chamber, and lower chamber is one
The structure of circular cone, bottom are feed inlets, the maximum circumferential edge of lower chamber back taper there are one or multiple large-size particles go out
Mouthful, at upper cavity uppermost sidewall there are one or multiple middle particles outlet.
The rotor is mounted on the lower end of separation turbine, and shape is olive shape, and when high-speed rotation makes the flow field of rotation produce
Raw powerful centrifugal force makes the particle in slurry in cavity radially in ascending regular distribution.
The separation turbine is mounted on the bottom of Hollow Transmission Shafts, and when rotation generates powerful centrifugal force so that
Particles throwing big or middle is thrown to the space apart from turbine farther out radially, and small size particle is distributed in since inertia is small
It detaches around turbine, under the pressure of charging pump, small size particle can overcome centrifugal force, into turbine inner cavity and axis hole
It is discharged.
Compared with the prior art, the present invention has the following advantages and effect：
1）Since rotor and separation turbine, when rotation all generate powerful centrifugal force so that the particle swarm in the flow field of rotation is pressed
The rule of Fig. 2 is distributed, and the material of greater particle size particle is thrown toward the periphery far from axle center and cannot enter Hollow Transmission Shafts and discharge
Channel, small size particle are distributed in rotational flow field by the nearest space in axle center, overcome centrifugal force under the pressure effect of charging pump
Effect be pressed into separation turbine inner cavity and axis hole, to realize that small size particle is discharged from hollow shaft；Particles big or middle from
The big or middle particles outlet of cavity is respectively discharged.
2）Due to not influenced by strainer gap size, it may be implemented that discharging flow is big, production efficiency is high.
3）Due to being to use designed classification and separated structure, gradation efficient.
Description of the drawings
The following further describes the present invention with reference to the drawings
Fig. 1 is the structural schematic diagram of the vertical wet-process gradation centrifuge of the present invention, in figure：1- rotors, 2- lower chambers, on 3-
Cavity, 4- separation turbine, 5- mechanical seals, 6- retainers, 7- belt pulleys, 8- Hollow Transmission Shafts, 9- discharging rotary joints.
Fig. 2 is the distribution of particles figure that the present invention is expressed in high speed rotation flow field.
Fig. 3 is the separation turbine structure schematic diagram figure of the present invention.
Specific implementation mode
For a better understanding of the present invention, the invention will be further described below in conjunction with the accompanying drawings.As shown in Figure 1, this
The vertical wet-process gradation centrifuge of invention, the Hollow Transmission Shafts are fixed on above retainer, play transfer motion power and carry
For the effect of tapping channel.Its upper end installation discharging rotary joint, lower end installation separation turbine.
The cavity is divided into upper cavity and lower chamber, and upper cavity is taper hollow structure, opened on the circumference of top there are one or
Multiple middle particles outlets；Lower chamber is inverted cone-shaped structure, and there are one feed inlets for bottom centre, in lower chamber maximum gauge position
Open the outlet of one or more large-size particles.Slurry enters cavity from cavity bottom feed inlet, by the stirring action of rotor
It moves in a circle, and makes slurry is for the helical movement to be lifted up under the effect of the pressure of charging pump.Particle swarm is formed in slurry
Distribution as shown in Figure 2.Large-size particles are promoted along lower chamber by the space of inner wall, when the maximum diameter position of arrival cavity inner wall
When, it exports and is discharged from large-size particles.Middle particles, small size particle continue to rise, it is individual and in being mixed in, small particle
Large-size particles in grain may continue to walk certain distance upwards under the active force of pump, but in uphill process, big grain size
When grain rises along upper cavity spiral inner wall, the trend moved downward is formed again under the action of being pushed component by skew wall,
And it is for the helical movement to the maximum direction of cavity diameter, move towards large-size particles outlet.Middle particles are in a fluid on interbed
Rise, when reach top when in particles thrown out by centrifugal force, therefrom particles outlet discharge；Small size particle edge is leaned on
The internal layer of rotor rises, and when reaching around small size particle separation turbine, separation turbine is overcome under the action of charging pump
Centrifugal force is discharged into turbine inner cavity and axis hole from Hollow Transmission Shafts axis hole.The process risen in this way is exactly that particle swarm is regular
Ground distribution has the process that classification separation is realized in driving that is oriented to, by controlling rotating speed, pressure and middle particles discharge port, big grain
Diameter particle discharge port valve flow can control the classification of large-size particles, three kinds of middle particles, small size particle graded products
Weight ratio realizes the classification separation of three grades.Similarly, particles outlet valve in closing, by controlling big grain size
Particle discharge port valve flow realizes the classification separation of two small size particle, large-size particles grades.This sampling technology can be repeatedly
Multiple fractionation can obtain ideal, the more accurately very narrow product of particle size distribution, realize precisely classification separation.
The rotor, top are pyramidal structures and detach turbine connection, and lower part is inverted cone-shaped structure, and when rotation generates rotation
Flow field, the bigger particle of grain size is bigger by centrifugal force, easier is thrown to the remoter annular space of the off-axis heart by throwing.This particle size
The pattern of reasonable layout corresponding with inertia force size makes it be classified, and separating effect is good, and classification efficiency is high, can successfully make
Particle swarm is arranged in an orderly manner from axle center to cavity inner wall condition small size particle, middle particles, large-size particles.
The separation turbine 4 is mounted on the bottom of Hollow Transmission Shafts, and when rotating, the centrifugal force of generation drives fluid
Make diameter circular motion, and particle swarm is made to make on diameter direction by small particle to large-sized orderly distribution, the smaller particle of grain size
The centrifugation being subject to is smaller, closer from turbine, more easily overcomes the centrifugal force of separation turbine to enter sky under the pressure effect of charging pump
It is discharged inside heart transmission shaft 1, to realize effectively classification.
According to above-mentioned mechanism, inventor has manufactured the vertical wet-process particle point that a volume is 1.5 liters, power is 3 kilowatts
Grade centrifuge.Show that this vertical wet-process gradation centrifugal separator has significantly with traditional type grader comparative test result
Grading effect, successfully can be classified and isolate the ultra-fine of ± 50 nanometers of grades by flow to each outlet and rotating speed control
Particle.
2) graded product of more accurate particle size distribution is obtained, classification efficiency is higher by than the efficiency of additional fractionation machine
80%, and without loss such as filter cloth, filter, filter core consumptive material.
3）Drop temperature significantly reduces, and the process energy consumption for being classified separation is seldom, is nearly free from heating, more energy saving.
Vertical wet-process gradation centrifuge of the present invention is efficient, is adapted in classification, the subparticle of low-viscosity slurry
Material.This gradation centrifuge can be promoted the use of in, on the fine particle slurry of low-viscosity.If the present invention in having, it is low
It is apparent by generating in terms of efficient, energy-saving and emission-reduction in the industry-by-industry of the different fine particle slurries of viscosity and with extensive use
Economic benefit.This promotional value and application prospect for having had can be widely used in difference, be fine in the slurry of low-viscosity
The classification field of particle.
Claims (1)
1. the present invention relates to a kind of vertical wet-process gradation centrifuges, including:Expect rotary joint, Hollow Transmission Shafts, separation vortex
Wheel, rotor, cavity；The cavity is divided into upper cavity and lower chamber, and upper cavity is taper hollow structure, and one is provided on the circumference of top
A or multiple middle particles outlets；Lower chamber is inverted cone-shaped structure, and there are one feed inlets for bottom centre, maximum straight in lower chamber
Open the outlet of one or more large-size particles in diameter position；The rotor, top are that pyramidal structure is connected with turbine is detached, and lower part is
Inverted cone-shaped structure, when rotation, generate rotational flow field, can successfully so that particle swarm from axle center to cavity inner wall condition small size particle,
Middle particles, large-size particles arrange in an orderly manner；The separation turbine is mounted on the bottom of Hollow Transmission Shafts, rotation
When, the centrifugal force of generation drives fluid to make diameter circular motion, and particle swarm is made to make on diameter direction by small particle to large-sized
Orderly distribution, the centrifugation that the smaller particle of grain size is subject to are smaller；The process risen in this way is exactly that particle swarm is regularly distributed, has
It is oriented to the process that classification separation is realized in driving, by controlling rotating speed, pressure and middle particles discharge port, large-size particles discharge
Mouth valve flow, can control the classification weight ratio of large-size particles, three kinds of middle particles, small size particle graded products,
Realize the classification separation of three grades;Similarly, particles outlet valve in closing, by controlling large-size particles discharging
Mouth valve flow realizes the classification separation of two small size particle, large-size particles grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081390.3A CN108421646B (en) | 2017-02-15 | 2017-02-15 | Vertical wet-process particle classification centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081390.3A CN108421646B (en) | 2017-02-15 | 2017-02-15 | Vertical wet-process particle classification centrifugal machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108421646A true CN108421646A (en) | 2018-08-21 |
| CN108421646B CN108421646B (en) | 2020-07-28 |
Family
ID=63155417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081390.3A Active CN108421646B (en) | 2017-02-15 | 2017-02-15 | Vertical wet-process particle classification centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108421646B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883772A (en) * | 2019-01-31 | 2019-06-14 | 中煤科工集团重庆研究院有限公司 | Grading efficiency optimization method for respiratory dust continuous separation device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103028497A (en) * | 2012-12-28 | 2013-04-10 | 刘晔 | Centrifugal classifier |
| CN103480463A (en) * | 2012-06-14 | 2014-01-01 | 谢小飞 | Centrifugation type separation mesh-free material and bead separation medium stirring mill |
| CN105396701A (en) * | 2015-12-15 | 2016-03-16 | 宜兴市华鼎粮食机械有限公司 | Two-phase and three-phase disk centrifuge |
| RU2581224C1 (en) * | 2014-12-15 | 2016-04-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский автомобильно-дорожный государственный технический университет (МАДИ)" | Centrifugal device for heat treatment of fat-containing raw materials in electromagnetic field of ultrahigh frequency |
| RU2584736C1 (en) * | 2015-04-15 | 2016-05-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кемеровский технологический институт пищевой промышленности" | Centrifugal mixer |
| CN106140407A (en) * | 2015-04-16 | 2016-11-23 | 谢小飞 | A kind of vertical closing mechanical sealing medium Ball-stirring mill |
| CN106378267A (en) * | 2006-05-15 | 2017-02-08 | 阿尔法拉瓦尔股份有限公司 | Centrifugal separator |
-
2017
- 2017-02-15 CN CN201710081390.3A patent/CN108421646B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106378267A (en) * | 2006-05-15 | 2017-02-08 | 阿尔法拉瓦尔股份有限公司 | Centrifugal separator |
| CN103480463A (en) * | 2012-06-14 | 2014-01-01 | 谢小飞 | Centrifugation type separation mesh-free material and bead separation medium stirring mill |
| CN103028497A (en) * | 2012-12-28 | 2013-04-10 | 刘晔 | Centrifugal classifier |
| RU2581224C1 (en) * | 2014-12-15 | 2016-04-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский автомобильно-дорожный государственный технический университет (МАДИ)" | Centrifugal device for heat treatment of fat-containing raw materials in electromagnetic field of ultrahigh frequency |
| RU2584736C1 (en) * | 2015-04-15 | 2016-05-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кемеровский технологический институт пищевой промышленности" | Centrifugal mixer |
| CN106140407A (en) * | 2015-04-16 | 2016-11-23 | 谢小飞 | A kind of vertical closing mechanical sealing medium Ball-stirring mill |
| CN105396701A (en) * | 2015-12-15 | 2016-03-16 | 宜兴市华鼎粮食机械有限公司 | Two-phase and three-phase disk centrifuge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883772A (en) * | 2019-01-31 | 2019-06-14 | 中煤科工集团重庆研究院有限公司 | Grading efficiency optimization method for respiratory dust continuous separation device |
| CN109883772B (en) * | 2019-01-31 | 2021-02-26 | 中煤科工集团重庆研究院有限公司 | Grading efficiency optimization method for respiratory dust continuous separation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108421646B (en) | 2020-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103480463B (en) | Centrifugation type separation mesh-free material and bead separation medium stirring mill | |
| CN107661818B (en) | A method and a particle classifier for improving the classification accuracy of powder particles | |
| CN103357489B (en) | Centrifugal type partition-net-free material bead separator for media stirring mill | |
| CN105396650A (en) | Screen-free type intelligent nanometer grinding system | |
| CN103028497B (en) | A kind of centrifugal classifying | |
| AU2013304459A1 (en) | Centrifugal separation device | |
| CN104971801B (en) | A kind of preparation method of nano-beads grinding system and nano-crystalline microsphere | |
| CN101439313A (en) | Hydraulic sorting device | |
| CN109530234A (en) | The cyclone classified sieve of three product of micron order | |
| US2787374A (en) | Centrifugal classifier | |
| CN105214380B (en) | A kind of microfine pulp thickening system and slurry concentrating technique | |
| CN108421646A (en) | A kind of vertical wet-process gradation centrifuge | |
| CN202070406U (en) | Horizontal helical unloading and depositing centrifuge | |
| CN104307645B (en) | Centrifugal grader with blade inclination adjustable grading wheel | |
| CN207592085U (en) | A kind of three product grading plant of rotational flow settlement | |
| CN212418290U (en) | Improved composite force mineral processing equipment | |
| CN111068895A (en) | A compound force beneficiation equipment | |
| CN205253247U (en) | Multistage separator | |
| CN208098600U (en) | A kind of bipyramid spiral ultra-fine grain grader | |
| CN106391219A (en) | Dry type ball-grinding classification device | |
| CN211964553U (en) | Composite force ore dressing equipment | |
| CN203235574U (en) | Rotational flow device | |
| CN108311295B (en) | A kind of compound force field step-strengthened centrifugal concentrator | |
| CN207238273U (en) | A kind of vertical wet-process gradation centrifuge | |
| CN212370397U (en) | A compound graded settling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240419 Address after: No. 38 Songgang Avenue, Bao'an District, Shenzhen, Guangdong Province, 518105 Patentee after: Xie Xiaofei Country or region after: China Patentee after: Ye Rong Address before: No. 38 Songgang Avenue, Bao'an District, Shenzhen, Guangdong Province, 518105 Patentee before: Xie Xiaofei Country or region before: China |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240604 Address after: 518000 east side of Songgang Avenue, Dayang Industrial Zone, lougang village, Songgang town, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN CITY SANXING FEIRONG MACHINERY CO.,LTD. Country or region after: China Address before: No. 38 Songgang Avenue, Bao'an District, Shenzhen, Guangdong Province, 518105 Patentee before: Xie Xiaofei Country or region before: China Patentee before: Ye Rong |