CN103447163A - Centrifugal dewatering device and producing method of polyvinylidene fluoride polymer - Google Patents
Centrifugal dewatering device and producing method of polyvinylidene fluoride polymer Download PDFInfo
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- CN103447163A CN103447163A CN2013102150329A CN201310215032A CN103447163A CN 103447163 A CN103447163 A CN 103447163A CN 2013102150329 A CN2013102150329 A CN 2013102150329A CN 201310215032 A CN201310215032 A CN 201310215032A CN 103447163 A CN103447163 A CN 103447163A
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Abstract
The invention provides a centrifugal dewatering device, which can stably conduct dewatering of slurry. The centrifugal dewatering device provides a rotating shaft (3), a dewatering groove (2) arranged at the rotating shaft (3), a net (5) arranged along the inner wall of the dewatering groove (2), a slurry feeding mouth (6) feeding slurry to the dewatering groove (2), and a dispersing plate (4) which is disposed in the dewatering groove (2) and enables the slurry to be dispersed towards the net (5). The slurry feeding mouth (6) is arranged to feed slurry to the dispersing plate (4).
Description
Technical field
The present invention relates to the manufacture method of centrifugal dehumidifier and vinylidene fluoride polymer, specifically, relate to the centrifugal dehumidifier of dehydration of the aqueous medium that is contained polymer and the manufacture method of using its vinylidene fluoride polymer.
Background technology
The polymer of vinylidene fluoride polymer etc. by with cleanings such as pure water, then, is recovered as powder via the dehydration procedure based on dewaterer and the drying process based on drying machine after polymerization finishes.
The dewaterer dewatered as the wet-milling of the polymer for to obtaining by polymerization, the general centrifugal dehydrator (patent documentation 1) with (filter screens) such as solid-liquid separation membranes that uses.
Patent documentation
Patent documentation 1: Japanese Laid-Open Patent Publication " JP 2003-261686 communique (on September 19th, 2003 is open) ".
Invent problem to be solved
Utilize the cleaning cleaning polyalcohol such as pure water, the slurry that contains polymer after cleaning is while dropping into dewaterer, slurry a bit being supplied with in from the pipe arrangement nozzle to dewaterer.If slurry is by a bit supplying with in dewaterer, slurry is to adhering to of the solid-liquid separation membrane in dewaterer etc. becoming inhomogeneous.If inhomogeneous to adhering to of solid-liquid separation membrane, balance is destroyed, and the centrifugal dehydration chance produces abnormal vibrations, and the running of centrifugal dehydrator can stop.
Summary of the invention
Therefore, the present invention puts in view of the above-mentioned problems and proposes, and its purpose is the manufacture method that a kind of centrifugal dehydrator is provided and uses its polymer, can prevent the generation of abnormal vibrations.
For solving the means of problem
Centrifugal dehumidifier of the present invention is a kind of centrifugal dehumidifier of dehydration of the aqueous medium that is contained polymer in order to solve above-mentioned problem, has: rotating shaft; Be installed on the drench pit of above-mentioned rotating shaft; Solid-liquid separation membrane along the inner wall arrangement of above-mentioned drench pit; Supply with the supply port of the aqueous medium that contains above-mentioned polymer in from the vertical top of above-mentioned drench pit to above-mentioned drench pit; Be arranged in above-mentioned drench pit and make the dispersion plate disperseed to above-mentioned solid-liquid separation membrane from the aqueous medium that contains above-mentioned polymer of above-mentioned supply port supply, above-mentioned supply port is set to supply with to above-mentioned dispersion plate the aqueous medium that contains above-mentioned polymer.
The manufacture method of vinylidene fluoride polymer of the present invention is a kind of manufacture method of vinylidene fluoride polymer that makes the vinylidene fluoride polymerization and obtain the polymerization process of vinylidene fluoride polymer that comprises, and also comprises the dehydration procedure that the aqueous medium that will contain the vinylidene fluoride polymer obtained by polymerization process is supplied to the processed of having used above-mentioned centrifugal dehumidifier.
The effect of invention
Centrifugal dehumidifier of the present invention has order and is supplied to the dispersion plate that the aqueous medium that contains polymer in drench pit disperses, thereby can prevent the generation of abnormal vibrations and carry out stable centrifugation.
The accompanying drawing explanation
Fig. 1 means the cutaway view of the summary of the centrifugal dehumidifier in present embodiment.
Fig. 2 means the cutaway view of summary of rotating shaft, dispersion plate and the fixture of the centrifugal dehumidifier in present embodiment.
Fig. 3 means the figure of the shape that the plain weave of net is knitted.
Fig. 4 means the figure of shape of the twill weave of net.
Fig. 5 schematically means to use centrifugal dehumidifier in present embodiment to carry out the figure of the state of centrifugal dehydration.
Fig. 6 means the cutaway view of the summary of the centrifugal dehumidifier in present embodiment.
Description of reference numerals
1 dewater unit
2 drench pits
3 rotating shafts
4 dispersion plates
5 nets (solid-liquid separation membrane)
6 supply ports
7 fixtures
8 frameworks
9 discharge outlet
11 polymer
13 scraping sections (scraping mechanism)
14 outlets.
The specific embodiment
One embodiment of centrifugal dehumidifier of the present invention is described based on Fig. 1～Fig. 6 as follows.
Centrifugal dehumidifier in present embodiment is the device for following purpose: after utilizing polymerisation to manufacture vinylidene fluoride polymer, make pulp centrifugedly for the aqueous medium from containing vinylidene fluoride polymer (hereinafter referred to as slurry) reclaims vinylidene fluoride polymer, carry out the dehydration based on centrifugal filtration.In addition, below, explanation will use the cleanings such as pure water to utilize suspension polymerization and slurry after the vinylidene fluoride polymer that obtains is supplied to the situation of processed, but the use of centrifugal dehumidifier of the present invention is not limited to this.At this, as aqueous medium, wish for water, be preferably ion exchange water.But, also can contain as the organic solvent of chain-transferring agent or as the halogenated hydrocarbon solvent of the solvent of polymerization initiator.As chain-transferring agent, can enumerate for example methyl alcohol, ethyl acetate and diethyl carbonate.As halogenated hydrocarbon solvent, for example can enumerate 1,3-bis-is chloro-1,1,2,2,3-pentafluoropropane and 1,1,2,2- tetrafluoroethene 2,2,2-flurothyl.
Fig. 1 means the cutaway view that the summary of the centrifugal dehumidifier in present embodiment forms.Centrifugal dehumidifier 1 has drench pit 2, rotating shaft 3, dispersion plate 4, net (solid-liquid separation membrane) 5, slurry supply port (supply port) 6, discharge outlet 9 in framework 8.
Rotating shaft 3 is the axles that make drench pit 2 rotations, by not shown drive unit, controls its rotation.Rotating shaft 3 connects in drench pit 2, and its upper end is positioned at drench pit 2.In the upper end of rotating shaft 3, utilize fixture 7 that dispersion plate 4 is installed.In centrifugal dehumidifier 1 in the present embodiment, be configured to and can be dewatered with the rotary speed of for example 1100rpm.But rotary speed is unrestricted, can determine aptly according to the slurry of dehydration object.
Slurry supply port 6 is supply ports that the interior supply of direction drench pit 2 makes the slurry of its dehydration from drench pit 2 vertical.Slurry supply port 6 be arranged on rotating shaft 3 roughly directly over, to vertical lower opening.On the top of rotating shaft 3, dispersion plate 4 is installed, so slurry is by 4 supplies from slurry supply port 6 to dispersion plate.
Fig. 2 means and by fixture 7, dispersion plate 4 is installed on to the figure of the state of rotating shaft 3, means the figure of the vertical cross-section of rotating shaft 3, dispersion plate 4 and fixture 7.As shown in Figure 2, the diameter of the lower surface 4a of dispersion plate 4 is greater than the diameter of rotating shaft 3, and in addition, the diameter of the upper surface 4c of dispersion plate 4 is greater than the diameter of fixture 7.The vertical cross-section of dispersion plate 4 is the taper enlarged to downside, and its lower surface 4a and inclined plane 4b angulation α be restriction not, but is preferably 25 °～45 °, for example can be 35 °.
The height and position of the dispersion plate 4 in drench pit 2 can be set aptly, but is preferably placed at than the high position of height of half of drench pit 2.In addition, in this specification, " height and position of dispersion plate " refers to the height and position of the end (peripheral end of inclined plane 4b) of dispersion plate 4.
Fixture 7 is parts that dispersion plate 4 is fixing to rotating shaft 3, is arranged on the upper face center section of dispersion plate 4.In addition, the upper portion of fixture 7 is the shape that has the cone on summit above vertical.Therefore, at first with fixture 7, contact from slurry supply port 6 to the slurry dropped under roughly and be passed to the side of cone, can expand to the universe on every side of the fixture 7 on dispersion plate 4.Thus, from dispersion plate 4 to drench pit, the supply of the slurry of 2 inwall becomes more and to disperse.In addition, the side of cone also can be identical with above-mentioned angle [alpha] with horizontal plane angulation β (with reference to Fig. 2), also can be different.In addition, the inclined plane 4b of the side of the cone of fixture 7 and dispersion plate 4 can continuously also can be discontinuous.For example, in centrifugal dehumidifier 1 in the present embodiment, between the inclined plane 4b of the side of the cone of fixture 7 and dispersion plate 4, sandwich the horizontal plane of column part of the below that is arranged in conical section of fixture 7 and the horizontal plane (the upper surface 4c of dispersion plate 4) of dispersion plate 4.In addition, fixture 7 also can be integrally formed with dispersion plate 4.In addition, so long as do not hinder the supply of slurry to dispersion plate 4, the shape of fixture 7 is not defined as cone, can be for example tabular yet.
Net 5 is to utilize in the inwall of drench pit 2 that the solid constituent of centrifugal force in making slurry is that separate with liquid component, diffusion barrier that carry out centrifugal filtration.Net 5 is arranged at whole of inwall of the side of drench pit 5.Net 5 in present embodiment is metal net, is more specifically stainless net.During the net of polyacrylic felt etc., likely filter cloth comes unsewn and the part of filter cloth after coming unsewn is sneaked into goods (vinylidene fluoride polymer), but does not produce such problem during metal net.In addition, even if be blended in goods just in case the part of metal net is damaged, not equal due to for example color, compare during with the net of having sneaked into polyacrylic felt etc., can more easily find.
The size in the hole of net 5 and the shape of braiding are set and are got final product aptly according to the particle footpath of the vinylidene fluoride polymer contained in the slurry that makes its dehydration.At this, as the shape woven, refer to that net 5 is for plain weave is knitted, twill weave.Fig. 3 means the shape that plain weave is knitted, and Fig. 4 means the shape of twill weave.Plain weave is knitted and is referred to as shown in Figure 3, forms the ordinate of net 5 and horizontal line with certain interval mutually crossing shape be made into one by one.In addition, twill weave refers to as shown in Figure 4, forms each 2 shapes of crossing the opposing party's line with Shangdi and being made into of line that the ordinate of net 5 and horizontal line keep at least one party of certain interval and ordinate and horizontal line.
When the average grain diameter (middle footpath) of the powder of the vinylidene fluoride polymer obtained by suspension polymerization is 20 μ m～500 μ m, the net that preferably uses plain weave that hole is 20～150 μ m to knit, the net that particularly preferably uses the plain weave of 50～150 μ m to knit.If hole is excessive, polymer leaked together with liquid component, produced the recovery loss of polymer.In addition, if hole is too small, the water trafficability characteristic is poor, and dehydration can't be carried out well.In addition, in hole, be 20～150 μ m while using the net of twill weave, polymer is compared during to the net 5 that adheres to use plain weave that hole is formed objects to knit of net 5 and is become inhomogeneous, and its result, easily produce abnormal vibrations.Therefore being preferably plain weave knits.In addition, even if than hole the polymer of little particle diameter, due to processed after the surface of net 5 has formed the caking layer of polymer, also almost be trapped in net 5.
Discharge outlet 9 is discharge outlet that the liquid that will be produced by processed is discharged to outside.
Fig. 6 means the more detailed figure formed of centrifugal dehumidifier 1.
As shown in Figure 6, centrifugal dehumidifier 1, except above-mentioned formation, in the inside of drench pit 2, than net 5 more in the inner part, is provided with the scraping section (scraping mechanism) 13 that scraping is attached to the solid constituent of net 5.And then, be provided with the outlet 14 that the solid constituent by scraping section 13 scrapings is discharged on the bottom surface of drench pit 2.
Scraping section 13 can move along vertical direction along net 5.After dehydration, scraping section 13 moves to vertical below along net 5, thereby scraping lodges in the solid constituent of net 5, can reclaim solid constituent from net 5.By the solid constituent from net 5 scrapings, from the outlet 14 of the bottom surface that is arranged at drench pit 2, discharged.
Then with reference to Fig. 5, the processed of having used centrifugal dehumidifier 1 is described.
Make the slurry of its dehydration in the state of drench pit 2 and dispersion plate 4 rotations, be supplied to from slurry supply port 6 in drench pit 2 (arrow 10a).Slurry is put under roughly from slurry supply port 6, so at first contact with fixture 7 in drench pit 2, transmits on the side of fixture 7 and expand (arrow 10b) on dispersion plate 4.In slurry is supplied with, dispersion plate 4 also rotate, so the inwall of the slurry of arrival dispersion plate 4 from the inclined plane 4b of dispersion plate 4 to drench pit 2 disperse (arrow 10c) radially to net 5.Slurry after arrival net 5 is pushed on net 5 by centrifugal force, for centrifugal filtration.Slurry is divided into vinylidene fluoride polymer 11 and the liquid component of solid constituent by the centrifugal filtration by net 5.Liquid component is by net 5(arrow 12a), finally from discharge outlet 9, discharged (arrow 12b).On the other hand, vinylidene fluoride polymer 11 does not retain in drench pit 2 inside by net 5, after the rotation of drench pit 2 stops, being recovered.Particularly, after the rotation of drench pit 2 stops, making scraping section 13 move along net 5 to vertical below and from net 5 scraping vinylidene fluoride polymer 11, and make it discharge from outlet 14, thereby reclaim.
Due to dispersion plate 4 rotations, so slurry 5 dispersions radially from dispersion plate 4 to net.Therefore, slurry can concentrated area be attached to the specific position of net 5.Thereby, can prevent stopping to the inhomogeneous abnormal vibrations that adheres to the drench pit 2 caused of net 5 and device that abnormal vibrations causes.
In addition, by using centrifugal dehumidifier 1, carry out processed, can avoid because the abnormal vibrations device stops, so can stably carry out processed.Thereby, contain the manufacture method of vinylidene fluoride polymer that makes the vinylidene fluoride polymerization and obtain the polymerization process of vinylidene fluoride polymer and also be contained in category of the present invention, described manufacture method and then contain the dehydration procedure that the aqueous medium that will contain the vinylidene fluoride polymer obtained by polymerization process is supplied to the processed of having used centrifugal dehumidifier of the present invention.
As mentioned above, centrifugal dehumidifier of the present invention is the centrifugal dehumidifier of the dehydration of the aqueous medium that contained polymer, have: rotating shaft, be installed on the drench pit of above-mentioned rotating shaft, solid-liquid separation membrane along the inner wall arrangement of above-mentioned drench pit, supply with the supply port of the aqueous medium that contains above-mentioned polymer in from the vertical top of above-mentioned drench pit to above-mentioned drench pit, be arranged in above-mentioned drench pit and the dispersion plate that the aqueous medium that contains above-mentioned polymer that order is supplied with from above-mentioned supply port disperses to above-mentioned solid-liquid separation membrane, above-mentioned supply port is set to supply with towards above-mentioned dispersion plate the aqueous medium that contains above-mentioned polymer.
According to above-mentioned formation, drench pit can utilize rotating shaft and rotate, and the aqueous medium that contains polymer that is supplied to drench pit inside is urged to the solid-liquid separation membrane along inner wall arrangement by centrifugal force.The aqueous medium that contains polymer that is pushed into solid-liquid separation membrane by centrifugal force utilizes solid-liquid separation membrane to be divided into polymer and the liquid component of solid constituent.Liquid component is by solid-liquid separation membrane, and solid constituent retains in solid-liquid separation membrane, thereby carries out processed.
At this, dispersion plate is set in drench pit, the aqueous medium that contains polymer that is supplied to processed is supplied to dispersion plate from supply port.Dispersion plate can make the aqueous medium that contains polymer of supply disperse to solid-liquid separation membrane.Thus, the aqueous medium that can avoid containing polymer be attached to solid-liquid separation membrane more specifically, can suitably keep the weight balancing in the rotation of drench pit.Its result, can prevent the generation of the abnormal vibrations of swivelling chute, can prevent that the running of centrifugal dehumidifier from stopping.
In addition, in centrifugal dehumidifier of the present invention, for example taper for expanding to downside of the shape of the vertical cross-section of above-mentioned dispersion plate.
In addition, in centrifugal dehumidifier of the present invention, the shape of above-mentioned dispersion plate can be for example frustum of a cone.
In addition, in centrifugal dehumidifier of the present invention, preferred above-mentioned dispersion plate rotates centered by above-mentioned rotating shaft.
According to above-mentioned formation, can utilize the rotation of dispersion plate to make the aqueous medium that contains polymer disperse to solid-liquid separation membrane, so can make more efficiently its dispersion.
In addition, in centrifugal dehumidifier of the present invention, preferably and then have the fixture that above-mentioned dispersion plate is fixed in to above-mentioned rotating shaft, above-mentioned fixing piece is installed on the central part of the upper surface of above-mentioned dispersion plate, the top of above-mentioned fixing piece be shaped as cone.
According to above-mentioned formation, the aqueous medium that contains polymer of supplying with from supply port is supplied to dispersion plate in the transmission of the side of the cone of fixture.Therefore, can be in universe around fixture, the aqueous medium that will contain polymer is supplied to dispersion plate.
In addition, in centrifugal dehumidifier of the present invention, above-mentioned solid-liquid separation membrane is preferably metal film.
According to above-mentioned formation, can prevent that solid-liquid separation membrane from coming unsewn, the part that can prevent from coming unsewn is sneaked in the polymer after dehydration.
In addition, during vinylidene fluoride polymer that above-mentioned polymer is particle diameter 20～500 μ m, in centrifugal dehumidifier of the present invention, above-mentioned solid-liquid separation membrane preferably utilizes plain weave to knit and the cancellous film that forms, and the size in the hole of mesh is 20～150 μ m, be particularly preferably 50～150 μ m.
According to above-mentioned formation, the recovery loss of the polymer that can reduce dewaters causes.In addition, can avoid polymer to be attached to unevenly solid-liquid separation membrane.
In addition, in centrifugal dehumidifier of the present invention, preferably in above-mentioned drench pit, above-mentioned dispersion plate is positioned at than the high position of height of half of above-mentioned drench pit.
In addition, in centrifugal dehumidifier of the present invention, above-mentioned supply port be preferably placed at above-mentioned rotating shaft directly over.
In addition, in centrifugal dehumidifier of the present invention, preferably and then have a scraping mechanism that scraping is attached to the polymer of above-mentioned solid-liquid separation membrane, above-mentioned scraping mechanism can arrange along vertical direction along above-mentioned solid-liquid separation membrane more in the inner part movably than above-mentioned solid-liquid separation membrane.
According to above-mentioned formation, can reclaim more easily the polymer that is attached to solid-liquid separation membrane.
In addition, in centrifugal dehumidifier of the present invention, the outlet of the above-mentioned polymer after discharging processed preferably is set in the bottom surface of above-mentioned drench pit.
One mode of centrifugal dehumidifier of the present invention is the centrifugal dehumidifier that the processed of the aqueous medium that contains vinylidene fluoride polymer is used.
The manufacture method of vinylidene fluoride polymer of the present invention is to comprise the manufacture method of vinylidene fluoride polymer that makes the vinylidene fluoride polymerization and obtain the polymerization process of vinylidene fluoride polymer, and then contains the dehydration procedure that the aqueous medium that will contain the vinylidene fluoride polymer obtained by polymerization process is supplied to the processed of having used above-mentioned centrifugal dehumidifier.
According to above-mentioned formation, when dehydration procedure, can prevent that the running of centrifugal dehumidifier from stopping, so can manufacture efficiently vinylidene fluoride polymer.
The present invention is not defined as above-mentioned embodiment, can in the scope shown in claim, carry out various changes.That is, the embodiment for being combined in the scope shown in claim aptly technical approach after changing and obtaining, be also included in the technical scope of the present invention.
Utilize possibility on industry
The present invention can be used in the manufacture of vinylidene fluoride polymer.
Claims (13)
1. a centrifugal dehumidifier, the dehydration of the aqueous medium that is contained polymer, is characterized in that,
Possess:
Rotating shaft,
Be installed on above-mentioned rotating shaft drench pit,
Along the solid-liquid separation membrane of the inner wall arrangement of above-mentioned drench pit,
In from the vertical top of above-mentioned drench pit to above-mentioned drench pit, supply with the aqueous medium that contains above-mentioned polymer supply port,
Be arranged in above-mentioned drench pit and the dispersion plate that the aqueous medium that contains above-mentioned polymer that order is supplied with from above-mentioned supply port disperses to above-mentioned solid-liquid separation membrane,
Above-mentioned supply port is set to supply with to above-mentioned dispersion plate the aqueous medium that contains above-mentioned polymer.
2. centrifugal dehumidifier according to claim 1, is characterized in that,
The vertical cross-section of above-mentioned dispersion plate be shaped as the taper expanded at downside.
3. centrifugal dehumidifier according to claim 1, is characterized in that,
Above-mentioned dispersion plate be shaped as the frustum of a cone.
4. centrifugal dehumidifier according to claim 1, is characterized in that,
Above-mentioned dispersion plate rotates centered by above-mentioned rotating shaft.
5. centrifugal dehumidifier according to claim 1, is characterized in that,
And then there is the fixture that above-mentioned dispersion plate is fixed in to above-mentioned rotating shaft,
Above-mentioned fixing piece is arranged on the central part of the upper surface of above-mentioned dispersion plate,
The top of above-mentioned fixing piece be shaped as cone.
6. centrifugal dehumidifier according to claim 1, is characterized in that,
Above-mentioned solid-liquid separation membrane is metal film.
7. centrifugal dehumidifier according to claim 1, is characterized in that,
Above-mentioned polymer is the vinylidene fluoride polymer that particle diameter is 20～500 μ m,
Above-mentioned solid-liquid separation membrane is to knit by plain weave the cancellous film formed, and the size in the hole of mesh is 20～150 μ m.
8. centrifugal dehumidifier according to claim 1, is characterized in that,
In above-mentioned drench pit, above-mentioned dispersion plate is positioned at the position higher than the height of half of above-mentioned drench pit.
9. centrifugal dehumidifier according to claim 1, is characterized in that,
Above-mentioned supply port be positioned at above-mentioned rotating shaft directly over.
10. centrifugal dehumidifier according to claim 1, is characterized in that,
And then possess the scraping mechanism that scraping is attached to the polymer of above-mentioned solid-liquid separation membrane,
Above-mentioned scraping mechanism can move along vertical direction along above-mentioned solid-liquid separation membrane being set to more in the inner part than above-mentioned solid-liquid separation membrane.
11. centrifugal dehumidifier according to claim 1, is characterized in that,
The outlet of the above-mentioned polymer after discharging processed is set in the bottom surface of above-mentioned drench pit.
12. centrifugal dehumidifier according to claim 1, is characterized in that,
Processed for the aqueous medium that contains vinylidene fluoride polymer.
13. the manufacture method of a vinylidene fluoride polymer, comprise the polymerization process that makes the vinylidene fluoride polymerization and obtain vinylidene fluoride polymer, it is characterized in that,
Also have dehydration procedure, the aqueous medium that described dehydration procedure will contain the vinylidene fluoride polymer obtained by polymerization process is supplied to processed, and described processed right to use requires 1～12 the described centrifugal dehumidifier of any one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012127503A JP2013249457A (en) | 2012-06-04 | 2012-06-04 | Centrifugal dehydrating device and manufacturing method for vinylidene fluoride polymer |
| JP2012-127503 | 2012-06-04 |
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| CN103447163A true CN103447163A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102150329A Pending CN103447163A (en) | 2012-06-04 | 2013-06-03 | Centrifugal dewatering device and producing method of polyvinylidene fluoride polymer |
| CN2013203137577U Expired - Fee Related CN203316270U (en) | 2012-06-04 | 2013-06-03 | Centrifugal dehydration device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203137577U Expired - Fee Related CN203316270U (en) | 2012-06-04 | 2013-06-03 | Centrifugal dehydration device |
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| JP (1) | JP2013249457A (en) |
| CN (2) | CN103447163A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013249457A (en) * | 2012-06-04 | 2013-12-12 | Kureha Corp | Centrifugal dehydrating device and manufacturing method for vinylidene fluoride polymer |
| CN105013229B (en) * | 2014-11-26 | 2017-12-26 | 安徽嘉智信诺化工股份有限公司 | A kind of dehydration device |
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| JPS63141661A (en) * | 1986-12-03 | 1988-06-14 | Osaka Hoki Seisakusho:Kk | Cake remover of centrifugal separator for forming granular material |
| CN2348620Y (en) * | 1998-10-12 | 1999-11-17 | 武汉卷烟厂 | Tobacco on-line continuous centrifugal dehydrator |
| JP2000237632A (en) * | 1999-02-19 | 2000-09-05 | Matsushita Electric Ind Co Ltd | Dewatering and drying device |
| CN101142258A (en) * | 2005-03-16 | 2008-03-12 | 阿科玛股份有限公司 | Use of decanter centrifuge in polymer processing |
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| CN203316270U (en) * | 2012-06-04 | 2013-12-04 | 株式会社吴羽 | Centrifugal dehydration device |
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| JPS63205167A (en) * | 1987-02-20 | 1988-08-24 | Ube Ind Ltd | Centrifugal dehydrator |
| JPH07173204A (en) * | 1993-03-30 | 1995-07-11 | E I Du Pont De Nemours & Co | Production of fluoroelastomer |
| JPH08192077A (en) * | 1995-01-12 | 1996-07-30 | Mitsui Petrochem Ind Ltd | Centrifuge |
| JPH11292922A (en) * | 1998-04-10 | 1999-10-26 | Sumika Abs Latex Kk | Filtration of latex and its use |
| JP3635069B2 (en) * | 2002-03-11 | 2005-03-30 | 三菱レイヨン株式会社 | Method and apparatus for producing emulsion polymerization polymer |
| JP4172365B2 (en) * | 2003-02-04 | 2008-10-29 | コニカミノルタホールディングス株式会社 | Toner manufacturing method |
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2012
- 2012-06-04 JP JP2012127503A patent/JP2013249457A/en active Pending
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2013
- 2013-06-03 CN CN2013102150329A patent/CN103447163A/en active Pending
- 2013-06-03 CN CN2013203137577U patent/CN203316270U/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63141661A (en) * | 1986-12-03 | 1988-06-14 | Osaka Hoki Seisakusho:Kk | Cake remover of centrifugal separator for forming granular material |
| CN2348620Y (en) * | 1998-10-12 | 1999-11-17 | 武汉卷烟厂 | Tobacco on-line continuous centrifugal dehydrator |
| JP2000237632A (en) * | 1999-02-19 | 2000-09-05 | Matsushita Electric Ind Co Ltd | Dewatering and drying device |
| CN101142258A (en) * | 2005-03-16 | 2008-03-12 | 阿科玛股份有限公司 | Use of decanter centrifuge in polymer processing |
| CN101934252A (en) * | 2010-09-03 | 2011-01-05 | 李凯 | Feed system of top suspension centrifuge |
| CN203316270U (en) * | 2012-06-04 | 2013-12-04 | 株式会社吴羽 | Centrifugal dehydration device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013249457A (en) | 2013-12-12 |
| CN203316270U (en) | 2013-12-04 |
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Application publication date: 20131218 |