EP0736337B1 - Roue de triage pour un séparateur pneumatique à roue centrifuge - Google Patents

Roue de triage pour un séparateur pneumatique à roue centrifuge Download PDF

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Publication number
EP0736337B1
EP0736337B1 EP95112071A EP95112071A EP0736337B1 EP 0736337 B1 EP0736337 B1 EP 0736337B1 EP 95112071 A EP95112071 A EP 95112071A EP 95112071 A EP95112071 A EP 95112071A EP 0736337 B1 EP0736337 B1 EP 0736337B1
Authority
EP
European Patent Office
Prior art keywords
classifying wheel
wheel according
disc
classifying
pipe section
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.)
Expired - Lifetime
Application number
EP95112071A
Other languages
German (de)
English (en)
Other versions
EP0736337A1 (fr
Inventor
Georg Dipl. Ing. Konetzka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hosokawa Alpine AG
Original Assignee
Hosokawa Alpine AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hosokawa Alpine AG filed Critical Hosokawa Alpine AG
Publication of EP0736337A1 publication Critical patent/EP0736337A1/fr
Application granted granted Critical
Publication of EP0736337B1 publication Critical patent/EP0736337B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 invention relates to an air classifier with a against its centrifugal direction from the visible air from the outside rotating flow-through wheel with a ring shape arranged blades running parallel to the axis of rotation, the between a circular disc and the bearing wheel hub an annular cover plate are arranged. It affects a classifying wheel for such an air classifier that is made entirely a wear-resistant sintered material is produced.
  • a classifying wheel of the required type is for example the DE-PS 41 40 656 become known.
  • This classifying wheel the circular disc with hub, the cover disc and the between this arranged, extending parallel to the axis of rotation Buckets made in one piece.
  • the hole is in the hub with a semicircular in cross section trained groove for receiving a correspondingly shaped Feather key for torque transmission to a finished dimension for the immediate mounting of the sight wheel on his Machined drive shaft.
  • the flow channels between the Buckets are made by parallel to each other and in the direction of Axial surfaces of the blades formed in the Transition area to circular disk or cover disk by a Arc surface are interconnected. With this kind of Training can be relatively high Achieve manufacturing accuracy that balances the finished processed sight wheel makes unnecessary.
  • classifying wheel that is simple designed cylindrical ring elements is composed, the one another by a in joints between the ring elements introduced, solidifying filler are connected and processed to finished size before assembly and be balanced.
  • the main part of the classifying wheel is a piece of pipe, the Outside dimensions the main dimensions - diameter and height - of the sight wheel. In this pipe section are radial directed, evenly distributed over the circumference Flow channels incorporated, their boundary surfaces run parallel to each other and in the direction of the axis of rotation and at both ends by an arc surface with each other are connected so that classifying blades with themselves radially inside tapering cross section.
  • the axial distance an arc surface to the adjacent end face of the pipe section is at least equal to the thickness of the sight wheel hub bearing circular disc or the annular cover plate, the both are inserted into the pipe section so that their outside lying face and the corresponding face of the Pipe piece form a plane.
  • the axial position of the circular disc and cover plate can by a in the pipe section incorporated, ring-shaped stop surface or through Formation of the surfaces delimiting the soldering or adhesive joints be determined as conical surfaces. In a similar way the connection between the hub and the circular disc is carried out.
  • the advantage of the training shown is that critical areas of tension, especially in the transition area between circular disc and pipe section, eliminated or so far can be mitigated that the tensions occurring in the stay safe area and risk of breakage due to Cracking is eliminated.
  • a higher manufacturing accuracy, especially with classifying wheels with outside diameters over 250 mm, is achieved in that the individual parts as simple designed ring elements are formed that are inexpensive machined to finished dimensions before assembly and can be balanced.
  • the classifying wheel 1 consists of hub 2, circular disc 3, cover plate 4 and pipe section 5. All these parts are made a sintered material and are made before Assembling mechanically processed to finished dimensions (preferably ground) and balanced. Since it is simple ring elements are high Manufacturing accuracy achieved.
  • the pipe section 5 is on both Ends with offset to the center of rotation 6 Provide indentations for receiving circular disk 3 or cover plate 4 serve and a width corresponding to the Have thickness of the recorded disc, so that for the Sight wheel result in flat, stepless end faces on both sides.
  • the hub 2 the bore with a cross section semicircular feather keyway (9) is centered in inserted the circular disc 3, being offset by its Outer circumference is determined their axial position.
  • an adhesive is used, e.g. a Two-component adhesive that is in the joints 10, 11 and 12 at Joining the parts is filled.

Landscapes

  • Combined Means For Separation Of Solids (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Centrifugal Separators (AREA)
  • Processes For Solid Components From Exhaust (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (12)

  1. Rotor de sélection (1) en matériau de frittage soumis à un mouvement de rotation opposé au sens de circulation de l'air de sélection qui traverse le dit rotor de l'extérieur vers l'intérieur, rotor avec des pales (8) reparties en couronne, parallèles à l'axe de rotation (6) et prises entre un disque (3) portant le moyeu (2) et un disque de recouvrement (4), le moyeu (2) étant muni d'une rainure semi-circulaire pour la réception d'une clavette (9) de même forme servant à la transmission d'un couple de rotation, rotor dans lequel les canaux de circulation (7) sont limités par les surfaces des pales (8) parallèles entre elles, orientées vers l'axe de rotation (6) et finissant en se joignant par un raccordement en arc de cercle aux environs des disques (3) et (4), caractérisé en ce que le rotor (1) est composé des pièces (2, 3, 4 et 5) de forme cylindrique et élémentaire liées par un agent de remplissage introduit dans les jointures qui s'y solidifie.
  2. Rotor de sélection selon la revendication 1 caractérisé en ce que les éléments cylindriques (2, 3, 4 et 5) sont finis et équilibrés avant l'assemblage.
  3. Rotor de sélection selon l'une des revendications 1 ou 2 caractérisé en ce que l'agent de remplissage est une colle.
  4. Rotor de sélection selon l'une des revendications 1 ou 2 caractérisé en ce que l'agent de remplissage est un métal de brasage.
  5. Rotor de sélection selon l'une des revendications 1 à 4 caractérisé en ce que la largeur des jointure (10, 11 et 12) entre les éléments cylindriques (2, 3, 4 et 5) est de 0,1 mm au maximum.
  6. Rotor de sélection selon la revendication 5 caractérisé en ce que des cales étroites servent à l'ajustage concentrique des éléments cylindriques (2, 3, 4 et 5) et le maintien d'une jointure à largeur régulière.
  7. Rotor de sélection selon l'une des revendications 1 à 6 caractérisé en ce que le moyeu (2), le disque (3), le disque de recouvrement (4) et le tube en couronne d'aube monopièce (5) sont les éléments constituant le rotor (1).
  8. Rotor de sélection selon la revendication 7 caractérisé en ce que le disque (3) et le disque de recouvrement (4) sont insérés dans le tube (5) de sorte que les faces du disque (3) et du tube (5) d'une part et les faces du disque de recouvrement (4) et du tube (5) d'autre part forment un plan commun.
  9. Rotor de sélection selon la revendication 8 caractérisé en ce que la position axiale des disques (3) et (4) est définie par un lamage travaillé dans le tube (5).
  10. Rotor de sélection selon la revendication 8 caractérisé en ce queles surfaces du disque (3), du tube (5) et du disque de recouvrement (4) qui délimitent les jointures (10, 11 et 12) sont coniques.
  11. Rotor de sélection selon l'une des revendications 7 à 10 caractérisé en ce que le moyeu (2) et le disque (3) sont une pièce unique.
  12. Rotor de sélection selon l'une des revendications 7 à 11 caractérisé en ce que la distance le long de l'axe entre une surface en arc de cercle limitant le canal d'écoulement (7) et la face du tube (5) est au moins égale à l'épaisseur du disque (3) et du disque de recouvrement (4).
EP95112071A 1995-04-07 1995-08-01 Roue de triage pour un séparateur pneumatique à roue centrifuge Expired - Lifetime EP0736337B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29506015U DE29506015U1 (de) 1995-04-07 1995-04-07 Sichtrad für Schleuderrad-Windsichter
DE29506015U 1995-04-07

Publications (2)

Publication Number Publication Date
EP0736337A1 EP0736337A1 (fr) 1996-10-09
EP0736337B1 true EP0736337B1 (fr) 1999-09-29

Family

ID=8006578

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95112071A Expired - Lifetime EP0736337B1 (fr) 1995-04-07 1995-08-01 Roue de triage pour un séparateur pneumatique à roue centrifuge

Country Status (11)

Country Link
US (1) US5667075A (fr)
EP (1) EP0736337B1 (fr)
JP (1) JP4028901B2 (fr)
KR (1) KR0185484B1 (fr)
CN (1) CN1054552C (fr)
AT (1) ATE185093T1 (fr)
DE (2) DE29506015U1 (fr)
DK (1) DK0736337T3 (fr)
ES (1) ES2139124T3 (fr)
MY (1) MY124295A (fr)
TW (1) TW281639B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19629924C2 (de) * 1995-08-02 2001-04-12 Herbert Horlamus Vorrichtung und Verfahren zur Trennung von Teilchenströmen
DE19613876C2 (de) * 1996-04-06 1998-08-06 Hosokawa Alpine Ag Windsichter mit austauschbarem Schaufelkorb
US6038987A (en) * 1999-01-11 2000-03-21 Pittsburgh Mineral And Environmental Technology, Inc. Method and apparatus for reducing the carbon content of combustion ash and related products
DE102004053530B4 (de) * 2004-11-05 2008-04-30 Aufbereitungstechnologie Noll Gmbh Sichterrad für eine Vorrichtung zur Trennung staubförmiger, fasriger oder körniger Güter
CN104353613A (zh) * 2014-11-04 2015-02-18 杭州能云科技有限公司 一种选粉机层流装置
CN111871802B (zh) * 2020-07-29 2023-06-20 海南大学 一种土壤沉积物连续分级装置

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE41994C (de) * BADISCHE MASCHINENFABRIK UND EISEN-GIESSEREI VORM. G. SEBOLD und SEBOLD & NEFF in Durlach, Baden Zündhölzchen-Auslegemaschine
GB1036543A (fr) *
US2996187A (en) * 1961-08-15 payne
US1203881A (en) * 1915-09-13 1916-11-07 John G King Ash-sifter.
US1633126A (en) * 1926-03-17 1927-06-21 Albert J Paynter Rotary sieve
US1812468A (en) * 1928-04-28 1931-06-30 Gen Motors Corp Lock washer untangling device
US2006867A (en) * 1930-07-19 1935-07-02 Haaky Mfg Company Grain cleaner and separator
US2255807A (en) * 1940-01-26 1941-09-16 Carl H Plumlee Desilting machine
US3089595A (en) * 1960-08-06 1963-05-14 Alpine Ag Maschinenfabrik Und Flow apparatus for separating granular particles
US3152078A (en) * 1963-03-14 1964-10-06 Pennsalt Chemicals Corp Stationary-walled centrifuge
US3276584A (en) * 1963-10-01 1966-10-04 Wilfred F Mathewson Pulp screen
FI57986C (fi) * 1979-02-28 1980-11-10 Ahlstroem Oy Siltrumma och saett att tillverka denna
US4257880A (en) * 1979-06-28 1981-03-24 Jones Donald W Centrifugal air classifying apparatus
SU1005929A1 (ru) * 1981-12-31 1983-03-23 Кузнецкий научно-исследовательский и проектно-конструкторский институт углеобогащения Гидроциклон дл классификации полезных ископаемых
DE3303078C1 (de) * 1983-01-29 1984-05-30 Alpine Ag, 8900 Augsburg Windsichter fuer den Feinstbereich
IL73329A (en) * 1984-10-26 1987-10-20 Amiad Cyclonic separator
DE3572928D1 (en) * 1984-12-25 1989-10-19 Mitsubishi Heavy Ind Ltd Pressure slit screen
DE3508889C1 (de) * 1985-03-13 1992-02-20 Alpine Ag, 8900 Augsburg Windsichter mit verschleissfreiem Sichtrad
FI71671C (fi) * 1985-05-20 1987-02-09 Ahlstroem Oy Foerfarande och apparat foer avvattning av en suspension.
US5064537A (en) * 1987-04-16 1991-11-12 The Black Clawson Company Seamless screen cylinder with laser cut openings
DE3721401A1 (de) * 1987-06-29 1989-01-12 Voith Gmbh J M Hydrozyklon
FR2619552B1 (fr) * 1987-08-18 1990-02-02 Astra Plastique Bouchon a vis a ceinture d'inviolabilite, du type demoule par devissage, et moule utilise pour la fabrication de ce bouchon
JPH01297182A (ja) * 1988-05-25 1989-11-30 Kurimoto Ltd 気流式遠心分級機
SU1656610A1 (ru) * 1989-01-27 1991-06-15 Предприятие П/Я А-3650 Двухканальный фазовый модул тор
US5158091A (en) * 1990-11-30 1992-10-27 Ivac Corporation Tonometry system for determining blood pressure
DE4135879C2 (de) * 1991-10-31 1995-02-23 Netzsch Erich Holding Sichterrad
DE4140656C1 (fr) 1991-12-10 1992-09-10 Alpine Ag, 8900 Augsburg, De
DE4214771C2 (de) * 1992-05-04 1998-05-14 Netzsch Erich Holding Verfahren und Vorrichtung zum Naßklassieren

Also Published As

Publication number Publication date
TW281639B (en) 1996-07-21
MY124295A (en) 2006-06-30
EP0736337A1 (fr) 1996-10-09
ES2139124T3 (es) 2000-02-01
JPH091078A (ja) 1997-01-07
DE59506952D1 (de) 1999-11-04
KR0185484B1 (ko) 1999-04-15
DE29506015U1 (de) 1995-06-14
US5667075A (en) 1997-09-16
KR960037140A (ko) 1996-11-19
ATE185093T1 (de) 1999-10-15
JP4028901B2 (ja) 2008-01-09
CN1054552C (zh) 2000-07-19
CN1132667A (zh) 1996-10-09
DK0736337T3 (da) 2000-04-03

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