DE396092C - Procedure for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum - Google Patents

Procedure for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum

Info

Publication number
DE396092C
DE396092C DEK82234D DEK0082234D DE396092C DE 396092 C DE396092 C DE 396092C DE K82234 D DEK82234 D DE K82234D DE K0082234 D DEK0082234 D DE K0082234D DE 396092 C DE396092 C DE 396092C
Authority
DE
Germany
Prior art keywords
drum
centrifugal
wall
operating
guide plates
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
Application number
DEK82234D
Other languages
German (de)
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.)
ELSE KNUEPFFER GEB HOFFMANN DR
Original Assignee
ELSE KNUEPFFER GEB HOFFMANN DR
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 ELSE KNUEPFFER GEB HOFFMANN DR filed Critical ELSE KNUEPFFER GEB HOFFMANN DR
Priority to DEK82234D priority Critical patent/DE396092C/en
Application granted granted Critical
Publication of DE396092C publication Critical patent/DE396092C/en
Expired legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B04CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04BCENTRIFUGES
    • B04B1/00Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
    • B04B1/02Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles without inserted separating walls

Landscapes

  • Centrifugal Separators (AREA)

Description

Verfahren zum Betreiben einer Trennschleuder mit Schraubenleitblechen an der vollen Innenwand der Schleudertrommel. Zum Abscheiden von in Flüssigkeiten schwebenden festen Körpern sind Schleudertrommeln mit schraubenförmigen Rippen an ihrer Innenwand bekannt. Diese Rippen idiienten dazu, um den Weg der am Boden der Schleudertrommel eingeführten Flüssigkeit bis zur Abführungsstelle ,zu vergrößern.Procedure for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum. For separating in liquids floating solid bodies are attached to centrifugal drums with helical ribs its inner wall known. These ribs serve to guide the way of the at the bottom of the Centrifugal drum introduced liquid up to the discharge point to enlarge.

Die Erfindung beruht nun auf der Erkenntnis, daß die Dicke der sich in, .der Trommel bildenden Flüssigkeitsschicht veränderlich ist, je nachdem die Steigungsrichtung der Schraubenrippe finit der Umdrehungsrichtung der Trommel gleich oder entgegengesetzt gerichtet ist. Man kann diese Erscheinung benutzen, um .durch Umkehrung der Drehrichtung der Trommel die abgeschiedenen Niederschläge zu entfernen, die Schleudertrommel also zu reinigen. In ider Zeichnung ist ein Ausführungsbeispiel einer zur Durchführung des Verfahrens geeigneten Vorrichtung schematisch dargestellt.The invention is based on the knowledge that the thickness of the in, .the drum-forming liquid layer is variable, depending on the The pitch direction of the helical rib is finitely the same as the direction of rotation of the drum or in the opposite direction. One can use this phenomenon to. Through Reversing the direction of rotation of the drum to remove the deposited precipitate, So to clean the spin drum. In the drawing is an exemplary embodiment a device suitable for carrying out the method is shown schematically.

Die undurch'brochene Schleudertrommel i ist mit der Welle 2 verbunden und trägt im Innern eine ischraubenförmige Rippe 3. Die zu trennende Flüssigkeit wird durch ein Rohr 4 am Boden der Trommel zugeleitet, steigt in .dem durch -die Rippe 3 gebildeten schraubenförmigen Kanal in bekannter Weise auf und fließt über den Trommelrand hinweg in einen feststehenden Behälter, der mit verschließbaren Ablauföffnungen 6, 7 versehen ist.The uninterrupted centrifugal drum i is connected to the shaft 2 and has an is-helical rib 3 inside. The liquid to be separated is fed through a pipe 4 at the bottom of the drum, increases in .dem through -the Rib 3 formed helical channel in a known manner and overflows the edge of the drum away into a fixed container with a lockable Drain openings 6, 7 is provided.

Beim Betrieb ider .Schleuder fließt die @zu trennende Flüssigkeit verhältnismäßig langsam an der Innwand der Trommel hoch bis zum oberen Rande. Wenn nun die Umlaufrichtung, wie bei der Zeichnung angenommen, mit der Steigungsrichtung der Schraubenrippe 3 übereinstimmt, also die Rippe sich in den Strom der Flüssigkeit hineinschraubt, so ist die Dicke der an der Trommelwand hochsteigenden ,Schicht verhältnismäßig groß. Bei .dieser Umdrehungsrichtung soll der Niederschlag albgeschieden ,und an der vollen Trommelwand angesammelt werden. Wenn die Dicke der Niederschlagschicht ein bestimmtes Maß erreicht hat, so wird die Umdrehungsrichtung :der Trommel umgekehrt, so .daß die Schraubenrippe sich aus dem Flüssigkeiüsstrom herausschraubt. Sie weicht den aufsteigenden Flüssigkeitsteilchen somit aus, und diese können rascher von unten nach oben steigen, so .daß die sich ergebende Dicke der Flüssigkeitsschicht geringer wird. Die während der vorher angewandten Umlaufrichtung abgelagerte Niederschlagschicht wird somit von dem dünneren, rascher fließenden Flüssigkeitsstrom mitgerissen und aus .der Trommel entfernt. Gegebenenfalls kann man zu dieser Reinigung reines Wasser benutzen. Je nachdem die Niederschlagschicht gebildet oder entfernt werden soll, wird die eine oder andere der Abschlußöffnungen 6 oder 7 geöffnet.When the centrifuge is in operation, the liquid to be separated flows relatively slowly up to the inner wall of the drum to the upper margin. If now the direction of rotation, as assumed in the drawing, with the direction of incline of the helical rib 3 coincides, so the rib is in If the flow of liquid is screwed in, the thickness is that of the drum wall ascending, layer relatively large. With .this direction of rotation should the precipitate is separated and accumulated on the full drum wall. When the thickness of the precipitation layer has reached a certain level, so will the direction of rotation: the drum reversed, so .that the screw rib is out unscrewed the liquid flow. It gives way to the rising liquid particles thus off, and these can rise more rapidly from the bottom to the top, so that the resulting thickness of the liquid layer becomes smaller. Those applied during the previously The layer of precipitation deposited in the circumferential direction is thus thinner and faster entrained flowing liquid stream and removed from .the drum. Possibly you can use pure water for this purification. Depending on the layer of precipitation is to be formed or removed, one or the other of the closure openings 6 or 7 open.

Claims (1)

PATENT-ANSPRUcH: Verfahren zum ,Betreiben einer Trennschleuder mit Schraubenleitblechen an der vollen Innenwand der Schleudertrommel, dadurch gekennzeichnet, daß die Trommel nach Odem Drehen im Sinne des Hineinschraubens in den oben überlaufenden Strom der abgeschleuderten Flüssigkeit zeitweilig im Sinne des Herausschraubens gedreht wird. PATENT CLAIM: Method for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum, characterized in that the drum is temporarily rotated in the sense of unscrewing it after it has been rotated in the sense of being screwed into the overflowing stream of the spun off liquid.
DEK82234D 1922-06-03 1922-06-03 Procedure for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum Expired DE396092C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEK82234D DE396092C (en) 1922-06-03 1922-06-03 Procedure for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK82234D DE396092C (en) 1922-06-03 1922-06-03 Procedure for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum

Publications (1)

Publication Number Publication Date
DE396092C true DE396092C (en) 1924-05-24

Family

ID=7234430

Family Applications (1)

Application Number Title Priority Date Filing Date
DEK82234D Expired DE396092C (en) 1922-06-03 1922-06-03 Procedure for operating a centrifugal separator with screw guide plates on the full inner wall of the centrifugal drum

Country Status (1)

Country Link
DE (1) DE396092C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209956B (en) * 1957-02-18 1966-01-27 Braunschweigische Maschb Ansta Screenless, variable speed rotating sludge centrifuge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209956B (en) * 1957-02-18 1966-01-27 Braunschweigische Maschb Ansta Screenless, variable speed rotating sludge centrifuge

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