CN107350009A - A kind of roll squeezer for applying electric field - Google Patents
A kind of roll squeezer for applying electric field Download PDFInfo
- Publication number
- CN107350009A CN107350009A CN201710704861.1A CN201710704861A CN107350009A CN 107350009 A CN107350009 A CN 107350009A CN 201710704861 A CN201710704861 A CN 201710704861A CN 107350009 A CN107350009 A CN 107350009A
- Authority
- CN
- China
- Prior art keywords
- pressure roller
- electric field
- roll squeezer
- roller
- roll
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
It is electric insulation between roller and roller it is characteristic of the invention that the roll surface of roll squeezer is conductive material the present invention relates to a kind of roll squeezer for applying electric field, DC electric field or AC field can be applied between roller by modes such as brush friction roll surfaces during work.Conventional roll squeezer mainly using the shearing force between roller, grinding pressure, is realized the crushing of particle and disperseed；Roll squeezer proposed by the present invention is except the function with conventional roll press; AC and DC electric field can also be applied between roller, by introducing electrochemical action, physics, chemical change occur for particle or solution in induction system; interaction force between increase, improve grinding, dispersion efficiency.The high-efficient grinding of the achievable solid-liquid dispersing system of the present invention and quick mixing, the crushing of solid particle in such as ink, coating, cosmetics solid-liquid system, homogeneous and liquid-liquid diphase are mixed, disperseed.
Description
Technical field
The present invention relates to liquid liquid or the scattered of solid-liquid two-phase dispersion, field of milling, specially one kind can apply electric field
Roll squeezer.
Background technology
Nanometer technology can make many traditional products that the change of essence occur, and nano particle or nano material are added to biography
In the material of system, a series of functions can be improved or obtained, such as apply nanometer technology in paint, ink or coating, not only greatly
Raising hiding rare, extend the ageing time of material, and save raw material.A small amount of metal nano is added in chemical fiber fabric
Grain can break away from because of friction and caused by electrostatic phenomenon.Nano material is added in food, medicine, cosmetics will greatly to carry
Absorptivity of the high human body to active principle.Nano ceramics is widely used to computer, space flight, military field.Therefore nanometer skill
Art brings many variations to human lives silently, and will turn into a kind of revolutionary technology.
Nanometer technology first has to prepare the powder body material with nanoscale by certain method, when powder particle size
When being reduced to 10nm by 10um, its particle diameter changes into 1000 times, and 10 will then be had by being converted into stereomutation9Times, so both things
Reason, chemical property have very big difference, and it is anti-to embody the peculiar skin effect of nano-particle, quantum size effect and high chemistry
Should activity.And its field is related to the fields such as chemistry, physics, material science and molecular biology.Nano-powder is huge
Surface area and surface energy, make it easily reunite, and produce poor fluidity in specific application, are not easy the difficulty such as scattered, only basis
The property of institute's applicating medium, is modified accordingly to its surface, can just nano-powder is uniformly distributed in medium, hair
Wave the effect of nano material.
The manufacture method of micro-nano granules material has chemical method and Mechanical Method etc..Grinding can be such that material is crushed by Mechanical Method
To nanoscale.
Roll squeezer is industrially conventional material mixed grinding device, is mainly used in paint, printing ink, pigment coating, cosmetic
The mixing of the liquid slurries such as product, rubber and plaster material, grind and disperse.For two-phase dispersion（Such as solid particle and molten
The solid-liquid two-phase system that agent is formed, or water-oil phase dispersion）, material can be considered as in the transmit process of roll surface of roller press
Fluid between roller and roll surface flowing, and pressure roller compresses and rubs against the gap being concentrated mainly between roller and roller to dispersed phase
Place, the now rotation of pressure roller cause the mutually extruding and friction between roller of the particle in dispersion, while the speed difference between roller
It is different to apply frictional shearing to material, so as to reach mixing, grinding and scattered purpose.
But in actual use, in some cases due to surface energy, polarity or close and distant property etc. between two-phase system
Mismatch, the interaction between particle and solvent is weaker, and caused frictional shearing is difficult to conduct in pressure roller rotation process
Onto solid particle, crush or dispersion effect is poor.If AC and DC electric field can be applied between roller, by introducing electrochemical regulating and controlling
Act on, the physical changes such as interfacial polarization, viscosity B coefficent occur for the particle or solution in induction system, and chemical graft even occurs
Or chemical reaction, the interaction force between increasing, it will help improve grinding, dispersion efficiency.Meanwhile for there is orientation
Particle, such as one-dimensional fiber, the lamellar material of two dimension, under its electric field action, orientations can be produced, this helps to shear
Power pointedly acts on a direction, produces the grinding effect of uniqueness.
The content of the invention
The present invention is directed to the problem present on, it is proposed that a kind of roll squeezer for applying electric field, the roll surface of roll squeezer are
Conductive material, DC electric field or AC field can be applied between roller by modes such as brush friction roll surfaces during work.Conventional roller
Press mainly utilizes shearing force between roller, grinding pressure, realizes crushing and the solid-liquid dispersing of solid particle；Roll-in proposed by the present invention
Machine is except the function with conventional roll press, moreover it is possible to apply AC and DC electric field between roller, by introducing electrochemical action, and induction
Physics, chemical change occur for particle or solution in system, the interaction force between increasing, improve grinding, scattered effect
Rate.
Realize the technical scheme is that：A kind of roll squeezer for applying electric field, including base, frame, pressure roller, pressure roller
Spacing adjusting device, speed adjusting device, voltage bringing device, charging baffle plate and drawing mechanism, the roll surface of pressure roller is conduction material
Material is made.
Electric field can be formed between pressure roller to realize, following several ways can be passed through：1）Pressure roller is fixed on frame by bearing
On, the bearing is made up of insulating materials；2）Roller surface layer is made up of conductive material, and the central shaft of internal layer is insulating materials system
Into；Pressure roller is three-layer composite structure, including in the roll surface for the outer layer being made of an electrically conducting material, middle insulating interlayer and internal layer
Mandrel, the insulating interlayer are made up of insulating materials.
Roll squeezer generally comprises at least two pressure rollers, and bearing, central shaft or insulating interlayer are designed as into insulating materials is made
Purpose be to prevent the electric charge transfer of roller surface to other positions of roll squeezer, ensure that electric charge is only distributed in the surface of pressure roller.
Brush fixtures are additionally provided with the frame, brush fixtures are provided with Y shape brush carriage, Y shape brush branch
Frame lower end is provided with electrographite brush, and electrographite brush is in contact with the roll surface of pressure roller.
The conductive material is ferrous alloy, nichrome, chromium carbide alloy, high manganese, diamondite, the conjunction of nickel tungsten
Gold, titanium alloy, aluminium alloy, magnesium alloy, copper alloy, nickel alloy.
The insulating materials be polyamide, polytetrafluoroethylene (PTFE), polyethylene, heat resistant epoxide resin, phenolic resin, polyformaldehyde,
Fluoroplastics, polyimides, organosilicon/polyphenylene sulfide, chlorinated polyether, zirconium oxide or aluminum oxide.
The quantity of the pressure roller is at least 2, applies voltage between adjacent pressure roller, forms ac or dc electrical field.Voltage
Applying mode can have following several：If roller number is even number, such as 2 roller machines, apply voltage system to be positive and negative.4 roller machines apply electricity
Pressure mode is positive and negative, positive and negative；If roller number is odd number, such as 3 roller machines, apply voltage system to be positive and negative, just or negative, positive, negative；
Can also be just, zero, it is negative.
The pressure roller is arranged in frame by bearing, and frame is provided with feed arrangement and drawing mechanism, on feed arrangement
Provided with charging baffle plate, charging baffle plate is located at the both sides of pressure roller, and the drawing mechanism includes reclaiming plate and scraper forms, and scraper is fixed
In the upper end of reclaiming plate, pressure roller of the material through discharge end after the mutual extruding of pressure roller take out of, after scraper scrapes through reclaiming plate
Outflow.
The roll surface of the charging baffle plate and pressure roller is perpendicular and the lower end of charging baffle plate fits with roll surface.
The pressure roller of the scraper and discharge end forms an angle, angle 10o~45o。
It is of the present invention to apply electric field between roller, particular by a kind of brush fixtures of insulation are designed, by Y shape
Brush carriage compresses the end surface for being fitted in pressure roller so that brush is bonded to each other with roll surface, and the brush is ordinary graphite electricity
Carbon brush binding post, is connected by brush with wire with the output end of dc source or AC power.
The beneficial effects of the invention are as follows：1. by designing the pressure roller of three-layer composite structure, may be implemented between the roller of roll squeezer
Apply DC electric field or AC field, while ensure that the insulation of roll surface and roller machine agent structure, make the electric charge on pressure roller
The surface of roller is distributed in without shifting.
2. can apply the roller machine of electric field, under electric field action, the particle in solid-liquid dispersing system produces polarization, enhances
Dispersed phase and the interaction of solvent phase, improve grinding efficiency.
3. under electric field action, the particle in solid-liquid dispersing system is polarized and produces orientation, can cause orientation of particles
Match with its direction of motion in roller machine roll surface, so as to strengthen shearing effect.
4. by preferred reaction system, electrochemical reaction can occur simultaneously in nipping process, by mechanical force and electrochemistry
Active force is superimposed together, and produces the grinding effect of uniqueness.
Brief description of the drawings
Fig. 1 is the three-layer composite structure schematic diagram of roll squeezer pressure roller.
Fig. 2 is the structural representation of roll squeezer.
Fig. 3 is the charging baffle plate schematic diagram of roll squeezer.
Fig. 4 is the discharging plate structure schematic diagram of roll squeezer.
Embodiment
As shown in Figure 2,3, 4, the invention provides a kind of roll squeezer for applying electric field, including base, frame 12, pressure
Roller, pressure roller spacing adjusting device 11, speed adjusting device 122, voltage bringing device, charging baffle plate 19 and drawing mechanism are adjacent
It is electrically insulated between pressure roller, and the roll surface of pressure roller is made up of conductive material.
The pressure roller is arranged in frame 12 by bearing, and frame is provided with feed arrangement and drawing mechanism, feed arrangement
Charging baffle plate 19 is provided with, charging baffle plate 19 is located at the both sides of pressure roller, and the drawing mechanism includes 51 groups of reclaiming plate 53 and scraper
Into scraper 51 is fixed on the upper end of reclaiming plate 53, and material pressure roller through discharge end after the mutual extruding of pressure roller is taken out of, through scraper
Flowed out after 51 scrapings through reclaiming plate 53.
Pressure roller is arranged in frame 12 by mechanical bearing, and the rotating speed of pressure roller is adjusted by vector type frequency converter 121, pressure
Spacing between roller is adjusted by the rotary handle being in close contact with frame 12.Feed baffle plate 19 be two, be individually positioned in into
The both sides of pressure roller at material, and lower end vertical with roll surface fit with roll surface.Charging baffle plate 19 is polytetrafluoroethylene (PTFE) material, and thickness is
It is fixed on by fixed screw on steelframe, its lower end bilateral is processed into concave arc edge, it is just brought into close contact with roll surface.
The pressure roller of the scraper 51 and discharge end forms an angle, angle 10o~45o。
Brush fixtures 32 are additionally provided with the frame, brush fixtures 32 are provided with Y shape brush carriage 33,
The lower end of Y shape brush carriage 33 is provided with electrographite brush 34, and electrographite brush 34 is in contact with the roll surface 35 of pressure roller.
Electrographite brush 34 can be pressed onto on roll surface, can be also pressed onto on roller side certainly, or even if above said individual layer is set
Meter, can also be pressed onto in support shaft.
In use, being powered to electrographite brush 34, brush contacts with pressure roller, can apply DC electric field as pressure roller, press simultaneously
The insulating Design of roller can cause the electric charge on pressure roller to be only distributed in the surface of pressure roller without shifting.
Embodiment 1
The quantity of the pressure roller is at least 2, applies the electric charge of opposed polarity between adjacent pressure roller.
A variety of electric field applying modes can be had according to the difference of pressure roller quantity, can be in phase when such as there is more than 2 pressure rollers
Apply opposite polarity electric charge on adjacent pressure roller, such as there are 4 pressure rollers, then the 1st and 3 pressure roller applies positive charge, 2 and 4 pressure rollers
Upper application negative electrical charge.
Embodiment 2
The quantity of the pressure roller is at least n+1, and wherein n is even number except zero, does not apply electric charge on n-th of pressure roller, with the
Apply the electric charge of opposed polarity on two adjacent pressure rollers of n pressure roller respectively.
When pressure roller quantity be 3,5,7,9 ... when, apply electric field mode can be+, 0 ,-, 0 ,+, 0 ,-, 0 represent not
Apply electric field, i.e., the 1st, 3, apply positive charge on the odd number rollers such as 5, apply negative electrical charge on the even number rollers such as 2,4.
Certainly apply the mode of electric field, the electricity of opposed polarity with embodiment 1, can also be set between two neighboring pressure roller
.
Embodiment 3
By taking three-roller as an example, it is electrically insulated between adjacent pressure roller, and the roll surface of pressure roller is made up of conductive material.To realize adjacent pressure roller
Between be electrically insulated, the pressure roller is fixed in frame by bearing, and the bearing is made up of insulating materials.
Electric field applying mode can be+,-,+, i.e., apply positive charge on the 1st and the 3rd pressure roller, apply on second pressure roller
Negative electrical charge.
The electric field applying mode of three-roller can also be：+, 0 ,-, i.e., do not apply electric field on second pressure roller, only in the 1st He
Apply opposite polarity electric field on 3rd pressure roller so that there is different electric charges on pressure roller.
Embodiment 4
As shown in figure 1, the pressure roller is three-layer composite structure, including it is the roll surface 35 for the outer layer being made of an electrically conducting material, middle
The central shaft 36 of insulating interlayer 37 and internal layer, the insulating interlayer 37 are made up of insulating materials.
Embodiment 5
The pressure roller includes the roll surface 35 of outer layer and the central shaft 36 of internal layer being made of an electrically conducting material, and the central shaft 36 is exhausted
Edge material is made.
Preferably, the conductive material is ferrous alloy, nichrome, chromium carbide alloy, high manganese, tungsten carbide conjunction
Gold, nickel tungsten, titanium alloy, aluminium alloy, magnesium alloy, copper alloy, nickel alloy.
Preferably, the insulating materials be polyamide, polytetrafluoroethylene (PTFE), polyethylene, heat resistant epoxide resin, phenolic resin,
Polyformaldehyde, fluoroplastics, polyimides, organosilicon/polyphenylene sulfide, chlorinated polyether, zirconium oxide or aluminum oxide.
Claims (10)
1. a kind of roll squeezer for applying electric field, including base, frame（12）, pressure roller, pressure roller spacing adjusting device（11）, speed
Adjusting means（122）, voltage bringing device, charging baffle plate（19）And drawing mechanism, it is characterised in that：The roll surface of pressure roller is conduction
Material is made, and applies voltage on pressure roller, forms electric field.
2. the roll squeezer according to claim 1 for applying electric field, it is characterised in that：The pressure roller is fixed on by bearing
In frame, the bearing is made up of insulating materials.
3. the roll squeezer according to claim 1 for applying electric field, it is characterised in that：The pressure roller is included by conductive material
Manufactured roll surface（35）With the central shaft of internal layer（36）, the central shaft（36）It is made up of insulating materials.
4. the roll squeezer according to claim 1 for applying electric field, it is characterised in that：The pressure roller is three layers of composite junction
Structure, include the roll surface for the outer layer being made of an electrically conducting material（35）, middle insulating interlayer（37）And the central shaft of internal layer（36）, institute
State insulating interlayer（37）It is made up of insulating materials.
5. the roll squeezer according to claim 1 for applying electric field, it is characterised in that：Brush is additionally provided with the frame to consolidate
Determine device（32）, brush fixtures（32）It is provided with Y shape brush carriage（33）, Y shape brush carriage（33）Lower end is provided with graphite
Brush（34）, electrographite brush（34）With the roll surface of pressure roller（35）It is in contact.
6. the roll squeezer for applying electric field according to claim 1 or 4, it is characterised in that：The conductive material is iron-based
Alloy, nichrome, chromium carbide alloy, high manganese, diamondite, nickel tungsten, titanium alloy, aluminium alloy, magnesium alloy, copper
Alloy or nickel alloy.
7. the roll squeezer for applying electric field according to claim 2-4, it is characterised in that：The insulating materials is polyamides
Amine, polytetrafluoroethylene (PTFE), polyethylene, heat resistant epoxide resin, phenolic resin, polyformaldehyde, fluoroplastics, polyimides, organosilicon/polyphenyl
Thioether, chlorinated polyether, zirconium oxide or aluminum oxide.
8. the roll squeezer according to claim 1 for applying electric field, it is characterised in that：The quantity of the pressure roller is at least 2
It is individual, apply voltage between adjacent pressure roller, form ac or dc electrical field.
9. the roll squeezer according to claim 1 for applying electric field, it is characterised in that：The quantity of the pressure roller is at least n+
1, wherein n is even number except zero, does not apply voltage on n-th of pressure roller, is applied on adjacent with n-th of pressure roller two pressure rollers
Making alive, form ac or dc electrical field.
10. the roll squeezer according to claim 1 for applying electric field, it is characterised in that：The pressure roller is installed by bearing
In frame（12）On, frame is provided with feed arrangement and drawing mechanism, and feed arrangement is provided with charging baffle plate（19）, feed baffle plate
（19）Positioned at the both sides of pressure roller, the drawing mechanism includes reclaiming plate（53）And scraper（51）Composition, scraper（51）It is fixed on out
Flitch（53）Upper end, material pressure roller through discharge end after the mutual extruding of pressure roller takes out of, through scraper（51）Through going out after scraping
Flitch（53）Outflow.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710704861.1A CN107350009B (en) | 2017-08-17 | 2017-08-17 | Can apply roll squeezer of electric field |
| PCT/CN2018/100724 WO2019034092A1 (en) | 2017-08-17 | 2018-08-16 | Roller press capable of applying electric field |
| US16/623,322 US11358150B2 (en) | 2017-08-17 | 2018-08-16 | Roller press capable of applying electric field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710704861.1A CN107350009B (en) | 2017-08-17 | 2017-08-17 | Can apply roll squeezer of electric field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107350009A true CN107350009A (en) | 2017-11-17 |
| CN107350009B CN107350009B (en) | 2023-08-18 |
Family
ID=60287970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710704861.1A Active CN107350009B (en) | 2017-08-17 | 2017-08-17 | Can apply roll squeezer of electric field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107350009B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019034092A1 (en) * | 2017-08-17 | 2019-02-21 | 河南大学 | Roller press capable of applying electric field |
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| US3833493A (en) * | 1968-10-03 | 1974-09-03 | Xerox Corp | Imaging process |
| US4084496A (en) * | 1976-04-30 | 1978-04-18 | G.B.C., Inc. | Method and apparatus for crushing and separating metallic containers |
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| Publication number | Publication date |
|---|---|
| CN107350009B (en) | 2023-08-18 |
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