EP1316362A2 - Dispositif de déchargement d'une centrifugeuse - Google Patents

Dispositif de déchargement d'une centrifugeuse Download PDF

Info

Publication number: EP1316362A2
Authority: EP; European Patent Office
Prior art keywords: discharge; discharge device; cleaning; centrifuges; cleaning elements
Prior art date: 2001-11-29
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP02026821A

Other languages

German (de)

English (en)

Other versions

EP1316362A3 (fr

EP1316362B1 (fr

Inventor

Johannes Feller

Gunnar Grim

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.)

KMPT AG

Original Assignee

Krauss Maffei Kunststofftechnik GmbH

Krauss Maffei Process Technology 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.)

2001-11-29

Filing date

2002-11-28

Publication date

2003-06-04

2002-11-28 Application filed by Krauss Maffei Kunststofftechnik GmbH, Krauss Maffei Process Technology AG filed Critical Krauss Maffei Kunststofftechnik GmbH

2003-06-04 Publication of EP1316362A2 publication Critical patent/EP1316362A2/fr

2003-07-16 Publication of EP1316362A3 publication Critical patent/EP1316362A3/fr

2007-10-10 Application granted granted Critical

2007-10-10 Publication of EP1316362B1 publication Critical patent/EP1316362B1/fr

2022-11-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls

Definitions

the invention relates to devices for support the discharge of a solid filter cake from a Centrifuge.
the solids are discharged horizontally or vertically stored peeler centrifuges normally in that a a filter cake arranged on a scraper peels off, the filter cake through a discharge agent is conveyed out of the centrifuge drum.
the means of delivery can be used as a steep sliding plate, a so-called chute, or designed as a screw discharge his.
the Discharge area can be coated with a material that a low tendency to adhere to the solids having.
these coatings usually have compared to the highly resistant base materials of the centrifuge (Stainless steel, nickel-based material, titanium etc.) one much lower corrosion resistance. To that there is a risk that the coating of suspension, Washing or cleaning liquid is attacked or because of too little abrasion wears out too quickly.
a scraper equipped as a suction nozzle is for example known from DE-A-3340636.
This system the peeled solid entrained by a gas stream.
a relatively high gas flow is required for this, which is a problem high equipment costs.
the Solids are separated from the gas stream which the apparatus Effort further increased.
the invention has for its object a discharge device for the product discharge from centrifuges, at which Product buildup can be largely avoided.
cleaning elements are in the discharge component attached, which the discharge area of the Clean the discharge component.
suitable movements e.g. swiveling, turning, pushing or a combination from it
the cleaning elements over the inner surface of the Chutes prevent deposits or any that may have formed Deposits released and through, for example, the Gravity or other transport-supporting effects the chute carried out.
Fig. 1 shows a schematic cross-sectional view Centrifuge with discharge device.
a housing 9 is one Centrifuge drum 1 rotatably mounted on a shaft, wherein the lateral surfaces of the centrifuge drum 1 as a filter are trained.
the suspension to be separated is inside the centrifuge drum and the centrifuge drum is rotated. This causes fluid to leak through the surface of the centrifuge drum into the Housing and is removed there. On the inside surface of the A filter cake collects.
a drive 3 Swiveling reamer 2 is provided.
the centrifuge drum 1 in rotation with low speed can be offset. Thereby solids peeled off the drum shell and fall under gravity in a chute 4, for example as a tube with a steep and a vertical section is executed. After passing through the chute (Dashed line P in Fig. 1 is the product of Further processing fed. So far, this corresponds to described device known centrifuges with discharge organs, and further details of the centrifuge will therefore not explained in more detail.
a cleaning element is to be eliminated 5 provided that in the interior of the chute protrudes and rotatable about an axis 6 by means of a drive 10 is stored.
the cleaning element 5 extends in the illustrated Position parallel to the sliding surface of chute 4 and sweeps prevents the sliding surface during rotation or removes product buildup.
the cleaning element can be operated continuously or intermittently. In this case, the cleaning element becomes temporary in a rest position away from the sliding surface of the chute turned.
Fig. 2 shows a cross section through the chute dashed line A of FIG. 1.
the cleaning element 5 formed as a sheet, the product buildup 7 of the The sliding surface of the chute 4 loosens or is removed.
Fig. 3 shows an embodiment in which the cleaning element is designed as a nozzle element 8 is.
the nozzle element 8 is gas via a hollow shaft 6, in particular air, and the gas is supplied by the cleaning element 8 into the product adhering to the chute wall 7 initiated so that the replacement is supported.
no large gas flow is required, so that the associated mentioned above Disadvantages do not occur.
the cleaning element executed as a scraper, which if necessary around the Longitudinal axis of the chute is pivoted, the inner surface the chute is cleaned. At rest the cleaning element becomes the solids flow not hindered, e.g. by positioning over the Swivel axis can be reached.
the cleaning element can also be considered a symmetrical or eccentric around the central axis rotating single-leaf sheet metal element his.
the cleaning device comprises several leaves around the central axis rotate with the axis of rotation not centered in the Chute needs to lie.
the cleaning elements can also be arranged so that they are only in those places where deposits are expected, at a short distance be moved over the inner surface of the chute. at Chute shapes that are not concentric about a central axis are executed, several cleaning elements in Longitudinal direction of the chute are used, each only clean a certain contour of the chute.
the pivot axis of one or more cleaning elements be arranged transversely to the central axis of the chute, wherein e.g. the sheet is placed in the rest position so that it the product flow is not hindered and, if necessary, targeted the places where deposits are formed.
the avoidance or removal of deposits This procedure also enables other installations which in the rest position has an unimpeded flow allow the product through the chute and if necessary can remove the deposit, taking it for inspection be arranged so that complete insight and Inspection of the surfaces is possible.
the additional Gas flow reduces / prevents the accumulation of the product or supports cleaning.
the cleaning of the chute embodiments conceivably, at which are not solids, but e.g. viscous liquids are discharged from the centrifuge.
the cleaning elements can be arranged so that they the normal flow of production through the discharge medium do not hinder, only be used when needed when deposits build up, no or no significant Creating dead spaces in the process room, cleaning the process room not affect and inspectability a cleaning without disassembly or one opposite the execution without cleaning element increased effort enable.

Landscapes

Centrifugal Separators (AREA)
Cleaning In General (AREA)

EP02026821A 2001-11-29 2002-11-28 Dispositif de déchargement d'une centrifugeuse Expired - Lifetime EP1316362B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10158705		2001-11-29
DE10158705A DE10158705A1 (de)	2001-11-29	2001-11-29	Vorrichtung zum Austrag eines Feststoffes aus einer Zentrifuge

Publications (3)

Publication Number	Publication Date
EP1316362A2 true EP1316362A2 (fr)	2003-06-04
EP1316362A3 EP1316362A3 (fr)	2003-07-16
EP1316362B1 EP1316362B1 (fr)	2007-10-10

Family

ID=7707466

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02026821A Expired - Lifetime EP1316362B1 (fr)	2001-11-29	2002-11-28	Dispositif de déchargement d'une centrifugeuse

Country Status (4)

Country	Link
EP (1)	EP1316362B1 (fr)
AT (1)	ATE375205T1 (fr)
DE (2)	DE10158705A1 (fr)
ES (1)	ES2292678T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1787723A1 (fr) *	2005-11-18	2007-05-23	Ferrum AG	Cartouche centrifuge

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1933545A1 (de) *	1969-07-02	1971-01-21	Titus Hans Joachim	Schael- und Austragsvorrichtung fuer Schleudergut aus Zentrifugen
DE3905341A1 (de) *	1988-03-30	1989-10-19	Kloeckner Humboldt Deutz Ag	Zentrifugalapparat
DE4330594C1 (de) *	1993-09-09	1994-09-22	Krauss Maffei Verfahrenstechni	Vorrichtung zum Entfernen einer Filterkuchen-Grundschicht

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1731091U (de) *	1956-08-01	1956-09-27	Krauss Maffei Ag	Austragschurre fuer schaelzentrifugen.
DE1871984U (de) *	1963-03-27	1963-05-09	Krauss Maffei Ag	Vorrichtung zum abschaelen der festgutschicht vom trommelmantel von schaelzentrifugen.
DE1782367C3 (de) *	1966-03-24	1974-02-28	Krauss-Maffei Ag, 8000 Muenchen	Vorrichtung zum Entfernen des Feststoffes aus einer Zentrifuge. Ausscheidung aus: 1298448
JP2528061B2 (ja) *	1992-08-28	1996-08-28	三菱化工機株式会社	ロ―タリ排出型遠心分離機

2001
- 2001-11-29 DE DE10158705A patent/DE10158705A1/de not_active Withdrawn
2002
- 2002-11-28 EP EP02026821A patent/EP1316362B1/fr not_active Expired - Lifetime
- 2002-11-28 DE DE50211039T patent/DE50211039D1/de not_active Expired - Lifetime
- 2002-11-28 AT AT02026821T patent/ATE375205T1/de not_active IP Right Cessation
- 2002-11-28 ES ES02026821T patent/ES2292678T3/es not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1933545A1 (de) *	1969-07-02	1971-01-21	Titus Hans Joachim	Schael- und Austragsvorrichtung fuer Schleudergut aus Zentrifugen
DE3905341A1 (de) *	1988-03-30	1989-10-19	Kloeckner Humboldt Deutz Ag	Zentrifugalapparat
DE4330594C1 (de) *	1993-09-09	1994-09-22	Krauss Maffei Verfahrenstechni	Vorrichtung zum Entfernen einer Filterkuchen-Grundschicht

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1787723A1 (fr) *	2005-11-18	2007-05-23	Ferrum AG	Cartouche centrifuge

Also Published As

Publication number	Publication date
DE50211039D1 (de)	2007-11-22
EP1316362A3 (fr)	2003-07-16
ES2292678T3 (es)	2008-03-16
DE10158705A1 (de)	2003-06-18
EP1316362B1 (fr)	2007-10-10
ATE375205T1 (de)	2007-10-15

Publication	Publication Date	Title
AT503788B1 (de)	2008-01-15	Vorrichtung zum kontinuierlichen filtern von verunreinigungen aus einer strömungsfähigen masse
EP3641943A1 (fr)	2020-04-29	Centrifugeuse
DE3511711C2 (de)	1993-12-09	Wiederaufbereitung hochwertiger Kunststoffe aus Abfällen und Ausschußwerkstücken
DE2621952A1 (de)	1976-12-09	Vorrichtung zum entplattieren, reinigen usw. von substraten
EP0065656A2 (fr)	1982-12-01	Appareil pour le traitement à pulvérisation, particulièrement pour la pulvérisation de peinture
EP0545044A2 (fr)	1993-06-09	Machine de dragéification de produits en morceaux, en particulier de pilules et comprimés
DE2938795C2 (de)	1981-06-19	Dragiervorrichtung
EP0088317A1 (fr)	1983-09-14	Appareil d'enrobage de dragées
EP1316362B1 (fr)	2007-10-10	Dispositif de déchargement d'une centrifugeuse
CH660073A5 (de)	1987-03-13	Vakuum-trocken-vorrichtung.
EP1565064B1 (fr)	2006-09-27	Dispositif de revetement a systeme de nettoyage integre
WO1995013143A1 (fr)	1995-05-18	Dispositif collecteur pour recueillir la peinture pulverisee en exces dans des cabines de pulverisation
EP1228807B1 (fr)	2006-01-18	Dispositif pour racler le gateau solide d'une centrifugeuse
DE3342689A1 (de)	1985-06-05	Filtervorrichtung zum entfernen von verunreinigungen aus fluessigkeiten, insbesondere aus dispersionsfarben
CH675375A5 (fr)	1990-09-28
EP0744212A2 (fr)	1996-11-27	Tambour pour enrober
DE10033709A1 (de)	2001-03-22	Abführungsvorrichtung für unerwünschte Substanzen aus einem Extruder
EP1228808B1 (fr)	2004-11-03	Dispositif et méthode pour racler et évacuer le gateau solide d'une centifugeuse
EP1592500B1 (fr)	2006-11-22	Dispositif pour traiter un produit particulaire et procede permettant d'actionner ledit dispositif
DE19543869A1 (de)	1997-05-28	Verfahren und Vorrichtung zur kontinuierlichen Überwachung der Flüssigkeitszugabe
DE4409792C2 (de)	1996-02-29	Vorrichtung zum Aufspritzen von Beiz-/oder Spülflüssigkeit
DE4330594C1 (de)	1994-09-22	Vorrichtung zum Entfernen einer Filterkuchen-Grundschicht
DE2165508A1 (de)	1973-07-05	Zentrifuge zur kontinuierlichen trennung von feststoff-fluessigkeits-gemischen
EP3682977B1 (fr)	2022-08-17	Nettoyage de tamis courbe du côté passage à travers le tamis
DE4428137C2 (de)	1997-09-25	Schüttgutförderer

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EP1316362A2 - Dispositif de déchargement d'une centrifugeuse - Google Patents

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Applications Claiming Priority (2)

Publications (3)

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ID=7707466

Family Applications (1)

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Cited By (1)

Citations (3)

Family Cites Families (4)

Patent Citations (3)

Cited By (1)

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