WO2016082813A1 - Verfahren zum regulieren der trennwirkung einer trennvorrichtung und trennvorrichtung - Google Patents
Verfahren zum regulieren der trennwirkung einer trennvorrichtung und trennvorrichtung Download PDFInfo
- Publication number
- WO2016082813A1 WO2016082813A1 PCT/DE2015/000549 DE2015000549W WO2016082813A1 WO 2016082813 A1 WO2016082813 A1 WO 2016082813A1 DE 2015000549 W DE2015000549 W DE 2015000549W WO 2016082813 A1 WO2016082813 A1 WO 2016082813A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- separating
- classifying
- separation
- distance
- material outlet
- Prior art date
Links
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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/161—Arrangements for separating milling media and ground material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/04—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/08—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force
- B07B7/083—Selective separation of solid materials carried by, or dispersed in, gas currents using centrifugal force generated by rotating vanes, discs, drums, or brushes
Definitions
- the present invention relates to a method for regulating the
- the present invention relates to a separation device.
- Classifying is the separation of a disperse
- Solid mixture in fractions preferably according to the criteria particle size and / or particle density.
- different separation devices are known.
- the separation of product fractions are possible in particle size ranges> ⁇ with screening machines.
- so-called separation devices are used, in which a separation into a coarse material fraction and a
- Fine fraction with the help of a rotor is made.
- a separation of dry product mixtures with air or other gases takes place for example in so-called air classifiers or cyclone classifiers.
- the fine material is separated from the coarse material according to the discharge principle by the air flow.
- air is used as a transport medium during dry grinding.
- a classifying rotor is often used, which separates the coarse material additionally by a higher centrifugal force, by a motorized drive and one and a so-called
- Klassierrotor a high speed or peripheral speed is achieved.
- Such Classifying rotors can separate both dry product mixtures and moist or wet product mixtures
- Document DE 44 32 200 describes a separate separating device outside a stirred ball mill, in which grinding balls are separated from the treated product stream after the grinding process. This separator forms a closed system with the agitator ball mill, since the separated
- Mahlharmonics be transported back via a connecting line in the agitator ball mill. This is done via the feed line of untreated regrind. So here is a system described, which inevitably
- the object of the invention is to provide a method for regulating the separation efficiency of a separation device and a separation device, in which the separation effect for the respective product fractions to be separated
- the invention relates to a method for regulating the separating action of a separating device and to a correspondingly equipped separating device in which such a method can be carried out.
- the separator serves to separate a product mixture into a fines fraction and a coarse fraction.
- product mixtures discharged from a ball mill or agitator ball mill are separated into a fine material fraction and a coarse material fraction.
- the desired product specifications the product mixtures discharged from a ball mill or agitator ball mill are separated into a fine material fraction and a coarse material fraction.
- Fine fraction then, for example, directly further processed or
- the separating device has a material inlet, a coarse material outlet and a fine material outlet, furthermore a separating space with an o classifying device arranged therein with a classifying rotor for separating the product mixture.
- the product mixture is pumped via an external pump via the material inlet into the separator.
- the internal volume of the separation space of the separation device in particular an internal volume in the region of the classifier, depending on the speed of the classifying rotor and / or in5 function of a differential pressure between the coarse material and the
- Fine output and / or depending on a differential pressure between the material inlet and the fine material outlet can be adjusted.
- a flow cross-section within the separation space, in particular a flow cross-section in the classifier, depending on the o speed of the classifying rotor and / or in dependence on a differential pressure between the coarse material outlet and the fine material outlet and / or in dependence be set by a differential pressure between the material inlet and the fines outlet.
- the classifier Located adjacent to the classifier. For example, the
- the adjusting device preferably comprises at least one
- Adjustment of the internal volume and / or the flow cross-section and / or the distance takes place.
- the adjusting device comprises an elastic element whose volume is adjustable.
- the elastic element has an internal cavity. The setting of the
- Room volume is done using a suitable fluid.
- the volume of space is increased, for example by filling the inner cavity with a fluid, or reduced by emptying the inner cavity of the elastic element.
- Classifying device is arranged displaceably.
- the distance between the position variable element and the classifier By adjusting the distance between the position variable element and the classifier, the internal volume of the separation space and / or the flow area and / or the distance between the classifier and a boundary of the separation space is set.
- Embodiment of the invention is set by means of the adjusting device, a distance between an outer circumferential surface of the separating device, on which the coarse material outlet is arranged, and the classifying rotor of the classifying device as a function of the particle size of the coarse material fraction.
- a distance to the classifying disk of the classifying rotor is set as a function of the particle size of the coarse material fraction by means of the adjusting device.
- the required separation time can be reduced.
- pressure sensors are provided in particular at the fine-material outlet and the coarse-material outlet and / or at the fine-material outlet and the material inlet. These are each connected to a control unit of the separation device and pass the data determined to this. The control unit then determines the pressure difference and causes the setting of the adjusting device accordingly.
- the adjustment of the internal volume and / or the flow cross-section and / or the distance takes place on the basis of the change in the power consumption of the separator when changing the flow rate.
- the required setting can in turn be calculated by means of the control unit.
- Cross-section in the separation chamber of the separation device or an internal volume of the separation space of the separation device or a distance between a region of the classifier and a boundary of the separation space changed to adjust the separation effect of the product mixture, in particular to the grain spectrum or throughput of the separation device.
- Separating device can be enlarged via the adjusting device, so that the
- the device may alternatively or in addition to those described
- Features include one or more features and / or characteristics of the method described above. Likewise, the method may alternatively or additionally include one or more features and / or properties of the
- Figure 1 shows a cross section through a separator according to the prior art.
- Figures 2 to 4 each show a cross section through different
- Embodiments of a separating device according to the invention Embodiments of a separating device according to the invention.
- FIG. 1 shows a cross section through a separating device 1
- the classifier 2 has, for example, a horizontally arranged cylindrical separating container 8 with a separating space 9.
- the classifying device 5 comprises in the illustrated embodiment a so-called classifying rotor 6 of a classifying cylinder 60 arranged on a first classifying disk 62 and a second one
- the classifying rotor 6 has in the cylindrical part, that is to say in the classifying cylinder 60, radial openings or apertures 64 and in the first classifying disk 62 axial openings or openings 66.
- the Klassierrotor 6 and the second Klassier architecture 7 are at a the
- Drive 3 associated drive shaft 4 is arranged, wherein the classifying rotor 6 is arranged closer to the drive 3 than the second classifying disc 7.
- the classifier 5 is set in rotation and thus provides within the separation chamber 9 for an intensive movement of the réelletParkden product mixture.
- the upstream second serves
- Classifying disc 7 as a pumping element 70, which sets the flow of the product mixture P before entering the axial openings 66 of the first classifying disc 62 in rotation.
- the pumping action may be generated by radial vanes or protrusions on the first classifying disk 62 of the classifying rotor 6, by a pump impeller or by a combination of these elements.
- the drive shaft 4 is movably supported by a mechanical seal 1 1 in a first end wall 15 a of the horizontal separating container 8.
- a central opening is formed as an inlet 13 for the product mixture P to be separated.
- the discharge of the fine material fraction F (F) after separation of the product mixture P takes place via a fine material outlet 16 in the first end wall 15a, for example, the fine material outlet 16 is formed by slots in the end wall 15a of the separation container 8.
- Product mixture P takes place via a coarse material outlet 17 in the lateral surface of the separating container 8, in particular in a region in which the container wall of the separating container 8 has the largest inner diameter.
- the separation of the product mixture P into coarse material F (G) and fine material F (F) depends in particular on the speed of the classifying rotor 6 and / or on a differential pressure ⁇ between the fine material outlet 16 and the
- FIGS. 2 to 4 each show a cross section through various embodiments of a separating device 20 according to the invention.
- substantially the same reference numerals are used as in the description of FIG.
- the core of the invention is an adjusting device 30 for setting the differential pressure ⁇ between the fine material outlet 16 and coarse material outlet 17 or for setting the differential pressure ⁇ between the inlet 3 for the product mixture P to be separated and the fine material outlet 16.
- the adjusting device 30 is in the region of the classifying device 5 (see FIG 1) is preferably arranged on a non-rotating component of the separating device 20.
- the adjusting device 30 comprises a variable element 32 in the region of the respective classifying device 5. This is, for example, an elastic element 33 which is variable in volume. For example, that can
- volume of the elastic element 33 can be increased by inflation or filling with a suitable fluid. By discharging fluid, the occupied by the elastic member 33 space volume is reduced again.
- variable element 32 a so-called displacement body can be used, which can be displaced, whereby the inner volume of the separation space 9 or the flow cross section within the separation space 9 in the classifier 5 increases or decreases.
- Fines outlet 16 and at the coarse material outlet 17 and at the inlet 13 pressure measurement at the inlet 13 not shown is determined in each case via suitable sensors 46, 47.
- the measured data for the pressure are transmitted to a control unit (not shown).
- This calculates the differential pressure ⁇ and then controls the variable element 32 at.
- By adjusting the variable element 32 i. either by changing the volume occupied by the elastic element 33 or by changing the position of the variable element 32, changes in the distance between rotating and standing parts of the separator 20, in particular between the rotating parts of the classifier 5 and the standing parts of the separator 20, on which the variable element 32 is arranged. This causes a change in the internal volume of the separation space 9 or a change in the flow cross sections within the
- Embodiments are each given pressure by an adjusting means or pressure is reduced, so that the volume of the adjusting device 30 changes accordingly.
- Classifying rotor 6 minimized based on the desired particle size of the coarse fraction F (G) in order to improve the separation efficiency of the separation device 20a.
- the distance between the adjusting device 30 and the free rotor end of the classifying rotor 6 is set such that it is less than 50 times the average particle size of the individual components of the coarse material fraction F (G) ,
- FIG. 3 shows an embodiment with an elastic element 33 which rests almost completely on the inner container wall of the separating container 8.
- the discharge of coarse material F (G) takes place in particular at one point on
- Product mixture P is arranged as the closed end of the classifying rotor 6, in particular closer than the first classifying disk 62.
- the adjusting device 30 is pressurized from the rear, ie from the container side, thus reducing the cross section of the separating space 9 in the region of the classifying device 5. In particular, the space between the separating vessel 9 and the classifier 5 is reduced.
- the adjusting device 30 consists of individual segments, so that pressure can be selectively applied in individual segments, thus providing a very specific setting of the
- Flows of the product mixture P in the classifier 5 can be adjusted.
- Product fractions F (F), F (G) or the average grain size in the fine material fraction F (F) and the coarse material fraction F (G) can be adjusted. Furthermore, with the aid of the adjusting device 30, the discharge amount of fine and / or coarse material F (F), F (G) (see also Figure 1) can be adjusted. Thus, a size of a separator 20b can be used optimally for different flow rates of product mixture P. According to the separation device 20c shown in FIG. 4, the separation device 20c shown in FIG. 4, the
- the cylindrical free cross section between the first classifying disc 62 of the classifying rotor 6 and the adjusting device 30 at the outer diameter thereof is greater than 0.5 times the free annular cross section between the inner diameter of the
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2015353142A AU2015353142A1 (en) | 2014-11-24 | 2015-11-19 | Method for controlling the separating action of a separator device, and a separator device |
BR112017007320A BR112017007320A2 (pt) | 2014-11-24 | 2015-11-19 | processo para regulação da ação de separação de um dispositivo separador e dispositivo separador |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014117191.8 | 2014-11-24 | ||
DE102014117191.8A DE102014117191B3 (de) | 2014-11-24 | 2014-11-24 | Verfahren zum Regulieren der Trennwirkung einer Trennvorrichtung und Trennvorrichtung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016082813A1 true WO2016082813A1 (de) | 2016-06-02 |
Family
ID=55221200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2015/000549 WO2016082813A1 (de) | 2014-11-24 | 2015-11-19 | Verfahren zum regulieren der trennwirkung einer trennvorrichtung und trennvorrichtung |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2015353142A1 (de) |
BR (1) | BR112017007320A2 (de) |
DE (1) | DE102014117191B3 (de) |
WO (1) | WO2016082813A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2364568A1 (de) * | 1973-12-24 | 1975-06-26 | Kloeckner Humboldt Deutz Ag | Kreiselsichter mit drehverteiler |
WO1994025185A1 (en) * | 1993-04-27 | 1994-11-10 | F. L. Smidth & Co. A/S | Separator for sorting of particulate material |
DE4326605A1 (de) * | 1993-08-07 | 1995-02-09 | Hosokawa Alpine Ag | Verfahren und Vorrichtung zur Trennung eines feinkörnigen Feststoffes in zwei Kornfraktionen |
DE4432200C1 (de) | 1994-09-09 | 1996-02-29 | Evv Vermoegensverwaltungs Gmbh | Rührwerksmühle |
DE19643023A1 (de) * | 1996-10-18 | 1998-04-23 | Hosokawa Alpine Ag | Windsichter mit Grobgutwendel |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19945646A1 (de) * | 1999-09-23 | 2001-04-05 | Krupp Polysius Ag | Verfahren und Windsichter zum Klassieren von zerkleinertem Aufgabegut |
-
2014
- 2014-11-24 DE DE102014117191.8A patent/DE102014117191B3/de active Active
-
2015
- 2015-11-19 WO PCT/DE2015/000549 patent/WO2016082813A1/de active Application Filing
- 2015-11-19 BR BR112017007320A patent/BR112017007320A2/pt not_active Application Discontinuation
- 2015-11-19 AU AU2015353142A patent/AU2015353142A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2364568A1 (de) * | 1973-12-24 | 1975-06-26 | Kloeckner Humboldt Deutz Ag | Kreiselsichter mit drehverteiler |
WO1994025185A1 (en) * | 1993-04-27 | 1994-11-10 | F. L. Smidth & Co. A/S | Separator for sorting of particulate material |
DE4326605A1 (de) * | 1993-08-07 | 1995-02-09 | Hosokawa Alpine Ag | Verfahren und Vorrichtung zur Trennung eines feinkörnigen Feststoffes in zwei Kornfraktionen |
DE4432200C1 (de) | 1994-09-09 | 1996-02-29 | Evv Vermoegensverwaltungs Gmbh | Rührwerksmühle |
DE19643023A1 (de) * | 1996-10-18 | 1998-04-23 | Hosokawa Alpine Ag | Windsichter mit Grobgutwendel |
Also Published As
Publication number | Publication date |
---|---|
DE102014117191B3 (de) | 2016-05-12 |
AU2015353142A1 (en) | 2017-07-13 |
BR112017007320A2 (pt) | 2017-12-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2646160B1 (de) | Dynamisches element für die trenneinrichtung einer rührwerkskugelmühle | |
EP3223950B1 (de) | Verfahren zum regulieren der förderleistung eines rotors einer trenneinrichtung einer rührwerkskugelmühle und rührwerkskugelmühle zum zerkleinern von mahlgut | |
EP2272591B1 (de) | Rührwerkskugelmühle | |
EP2393601B1 (de) | Hydrozyklonanordnung und verfahren zu dessen betrieb, sowie unterlaufdüse dafür | |
WO2014124899A1 (de) | Sichter und verfahren zum betreiben eines sichters | |
EP3274112B1 (de) | Formsandkühler | |
DE202016006421U1 (de) | Vorrichtung zur Trocknung von Granulatkörnern | |
EP3573762B1 (de) | Rührwerksmühle | |
EP0638365B2 (de) | Verfahren und Vorrichtung zur Trennung eines feinkörnigen Feststoffes in zwei Kornfraktionen | |
DE202016006420U1 (de) | Vorrichtung zur Trocknung von Granulatkörnern | |
EP2142312B1 (de) | Vorrichtung und verfahren zum sichten von aufgabegut und mahlanlage | |
EP1080786A1 (de) | Verfahren zur Fliessbettstrahlmahlung, Vorrichtung zur Durchführung dieses Verfahrens und Anlage mit einer solchen Vorrichtung zur Durchführung dieses Verfahrens | |
DE4214771C2 (de) | Verfahren und Vorrichtung zum Naßklassieren | |
EP3429734B1 (de) | Verfahren zur herstellung von dispersionen mit definierter partikelgrösse | |
EP3209435B1 (de) | Sichteinrichtung zum sichten eines körnigen materialstroms | |
DE102014117191B3 (de) | Verfahren zum Regulieren der Trennwirkung einer Trennvorrichtung und Trennvorrichtung | |
EP1027161B1 (de) | Verfahren und vorrichtung zum nassmahlen und dispergieren von feststoffpartikeln in flüssigkeiten | |
EP2692445A2 (de) | Rührwerkskugelmühle | |
DE4431534B4 (de) | Maschine zur Einwirkung auf zerkleinerbares und klassierbares Rohgut, sowie Verfahren zum Betrieb der Maschine | |
EP3297761B1 (de) | Rührwerkskugelmühle und verfahren zum betreiben einer rührwerkskugelmühle | |
DE60218156T2 (de) | Partikelsortierer | |
DE19832769C2 (de) | Verfahren zum Betreiben einer Rührwerksmühle | |
AT409726B (de) | Zentrifugalkraft-windsichter | |
DE102004035919A1 (de) | Verfahren zur Abtrennung von Partikeln aus einem Luftstrom und Vorrichtung zur Durchführung des Verfahrens insbesondere in Form eines Axialzyklons | |
DE102016107256A1 (de) | Vorrichtung und Verfahren zum Trennen von Aufgabegut in Feingut und Grobgut |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15828328 Country of ref document: EP Kind code of ref document: A1 |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112017007320 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 2015353142 Country of ref document: AU Date of ref document: 20151119 Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 112017007320 Country of ref document: BR Kind code of ref document: A2 Effective date: 20170410 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15828328 Country of ref document: EP Kind code of ref document: A1 |