DE10141587B4 - Channel for guiding and conditioning a glass melt and method for streak-poor production of a glass - Google Patents
Channel for guiding and conditioning a glass melt and method for streak-poor production of a glass Download PDFInfo
- Publication number
- DE10141587B4 DE10141587B4 DE2001141587 DE10141587A DE10141587B4 DE 10141587 B4 DE10141587 B4 DE 10141587B4 DE 2001141587 DE2001141587 DE 2001141587 DE 10141587 A DE10141587 A DE 10141587A DE 10141587 B4 DE10141587 B4 DE 10141587B4
- Authority
- DE
- Germany
- Prior art keywords
- glass
- conditioning
- channel
- basin
- molten glass
- 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 - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels
- C03B5/262—Drains, i.e. means to dump glass melt or remove unwanted materials
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/02—Forehearths, i.e. feeder channels
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/02—Forehearths, i.e. feeder channels
- C03B7/06—Means for thermal conditioning or controlling the temperature of the glass
- C03B7/07—Electric means
Abstract
Vorrichtung zum Führen und Konditionieren einer Glasschmelze, mit einer Rinne (1) mit Bodenablauf (2}, die im unteren Bereich ein Becken (3) aufweist, dadurch gekennzeichnet, dass Elektroden (4) zum thermischen Konditionieren in der Rinne (1) asymmetrisch angeordnet sind.contraption to lead and conditioning a molten glass, having a gutter (1) with bottom drain (2), which has a basin (3) in the lower area, characterized that electrodes (4) for thermal conditioning in the channel (1) are arranged asymmetrically.
Description
Die vorliegende Erfindung betrifft eine Rinne und ein Verfahren zum Führen und Konditionieren einer Glasschmelze, mit Bodenablauf, die im unteren Bereich ein Becken aufweist.The The present invention relates to a gutter and a method for To lead and conditioning a molten glass, with bottom drain, in the lower part has a basin.
Bei der Glasschmelze entstehen in der Schmelzwanne Schlieren bedingt durch den Kontakt zwischen Wannenmaterial und Glasschmelze. Eine Schliere ist in der Glasschmelze eine Verunreinigung. Die Dichte der Schlieren kann größer oder kleiner sein als die der Glasschmelze. Bisher wurde versucht die Schlieren durch Rühren zu beseitigen. Es hat sich gezeigt, dass insbesondere spezifisch schwerere Schlieren, wie ZrO2-haltige Schlieren, durch Rühren nicht wesentlich beseitigt werden können. Die Schlieren werden mit der Glasschmelze aus der Schmelzwanne über die Speiserrinne zum Speiserkopf geführt und sind im Produkt sichtbar.In molten glass, streaks occur in the melting tank due to contact between the tub material and glass melt. A streak is an impurity in the molten glass. The density of the streaks may be larger or smaller than that of the glass melt. So far, attempts have been made to eliminate the streaks by stirring. It has been shown that especially heavier heavies, such as ZrO 2 -containing striae, can not be substantially eliminated by stirring. The streaks are led with the molten glass from the melting tank over the feeder to the feeder head and are visible in the product.
Um
Verunreinigungen durch das Feuerfestmaterial zurückzuhalten, wurde gemäß
Die Aufgabe der vorliegenden Erfindung besteht darin, eine Vorrichtung und ein Verfahren zur Minderung der Schlieren im Glasprodukt bereitzustellen.The The object of the present invention is a device and to provide a method for reducing the streaks in the glass product.
Die Aufgabe wird durch eine Vorrichtung zum Führen und Konditionieren einer Glasschmelze, mit eine Rinne mit Bodenablauf, die im unteren Bereich ein Becken aufweist, gelöst, wobei Elektroden zum thermischen Konditionieren in der Rinne asymmetrisch angeordnet sind. Mit dieser erfindungsgemäßen Maßnahme wird die Bildung von thermisch gebildeten Schlieren gemindert. Die Glasschmelze wird erfindungsgemäß über eine Rinne geführt, wobei sich Schlieren mit höherer Dichte im Becken absetzen. Die abgesetzte Verunreinigung wird durch mindestens einen Bodenablauf abgezogen. Es hat sich überraschenderweise gezeigt, dass die Glasschmelze wirkungsvoll weitgehend von schwereren Schlieren befreit werden kann.The The object is achieved by a device for guiding and conditioning a Glass melt, with a gutter with floor drain at the bottom Basin, solved, wherein electrodes for thermal conditioning in the channel are asymmetrical are arranged. With this inventive measure, the formation of thermally formed streaks reduced. The glass melt is inventively via a Gutter led, where streaks with higher Settle density in the pelvis. The settled impurity is through deducted at least one floor drain. It has surprisingly shown that the molten glass is effective largely from heavier Streaks can be freed.
Eine bevorzugte Ausgestaltung der Erfindung ist eine Vorrichtung zum Führen und Konditionieren einer Glasschmelze, wobei das Becken eine dreieckige Geometrie aufweist. Das Becken verjüngt sich nach unten hin. Die schweren Schlieren sinken ab und scheiden sich in der Verjüngung ab. Die so mit Schlieren im unteren Bereich angereicherte Schmelze wird bei Bedarf durch den Bodenablauf abgezogen.A Preferred embodiment of the invention is a device for To lead and conditioning a molten glass, wherein the basin is triangular Has geometry. The pelvis tapers downwards. The heavy streaks sink and separate in the rejuvenation. The thus enriched with streaks in the lower region melt is if necessary, deducted through the floor drain.
Die Aufgabe der Erfindung wird weiter durch ein Verfahren zur schlierenarmen Fertigung eines Glases gelöst, wobei die Glasschmelze in der Rinne mit Becken geführt wird, schwerere Bestandteile sich im Becken absetzen und diskontinuierlich durch einen Bodenablauf abgezogen werden und die Glasschmelze zum Speiserkopf geführt wird. Die Glasschmelze wird in der Rinne mit asymmetrisch angeordneten Elektroden geführt zur Verminderung von Schlieren.The The object of the invention is further by a method for schlierenarmen Manufacturing a glass solved, wherein the molten glass is guided in the channel with basin, heavier components settle in the basin and discontinuously be deducted by a floor drain and the glass melt to Feeder head guided becomes. The molten glass is arranged asymmetrically in the gutter Leaded electrodes for the reduction of streaks.
Erfindungsgemäß ist die Verwendung eines Beckens zum Abtrennen von schwereren Bestandteilen in der Glasschmelze in einer Speiserrinne vorgesehen.According to the invention Use of a basin to separate heavier components provided in the molten glass in a feeder trough.
Die
Erfindung wird anhand einer Zeichnung näher erläutert. Die Zeichnung enthält
In
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001141587 DE10141587B4 (en) | 2001-08-24 | 2001-08-24 | Channel for guiding and conditioning a glass melt and method for streak-poor production of a glass |
PCT/EP2002/008859 WO2003018489A1 (en) | 2001-08-24 | 2002-08-08 | Channel for the running and conditioning of a molten glass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001141587 DE10141587B4 (en) | 2001-08-24 | 2001-08-24 | Channel for guiding and conditioning a glass melt and method for streak-poor production of a glass |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10141587A1 DE10141587A1 (en) | 2003-03-13 |
DE10141587B4 true DE10141587B4 (en) | 2005-04-07 |
Family
ID=7696527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2001141587 Expired - Fee Related DE10141587B4 (en) | 2001-08-24 | 2001-08-24 | Channel for guiding and conditioning a glass melt and method for streak-poor production of a glass |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE10141587B4 (en) |
WO (1) | WO2003018489A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2050211A (en) * | 1934-10-26 | 1936-08-04 | Hartford Empire Co | Glass feeding forehearth |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1201655A (en) * | 1967-08-17 | 1970-08-12 | Elemelt Ltd | Improvements relating to methods of and furaces for supplying molten glass |
JPS6325227A (en) * | 1986-07-17 | 1988-02-02 | Toshiba Glass Co Ltd | Apparatus for separating and removing different kind of glass |
FR2645527B1 (en) * | 1989-04-06 | 1991-07-12 | Produits Refractaires | IMPROVEMENT IN INSTALLATIONS FOR TRANSFERRING MOLTEN GLASS FROM AN OVEN TO A FORMING STATION |
US4906272A (en) * | 1989-04-17 | 1990-03-06 | Corning Incorporated | Furnace for fining molten glass |
DE19515431A1 (en) * | 1995-04-26 | 1996-10-31 | Walter Lindner | Feeder channel for liquid glass |
US5961686A (en) * | 1997-08-25 | 1999-10-05 | Guardian Fiberglass, Inc. | Side-discharge melter for use in the manufacture of fiberglass |
JPH11255520A (en) * | 1998-03-10 | 1999-09-21 | Nippon Electric Glass Co Ltd | Forehearth |
DE19935664A1 (en) * | 1999-07-29 | 2000-08-17 | Sorg Gmbh & Co Kg | Glass feeder has wide collection chamber above a drainage opening for difficultly miscible bottom glass to reduce formation of 'cat scratches' and other flaws in finished glass products |
-
2001
- 2001-08-24 DE DE2001141587 patent/DE10141587B4/en not_active Expired - Fee Related
-
2002
- 2002-08-08 WO PCT/EP2002/008859 patent/WO2003018489A1/en not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2050211A (en) * | 1934-10-26 | 1936-08-04 | Hartford Empire Co | Glass feeding forehearth |
Also Published As
Publication number | Publication date |
---|---|
DE10141587A1 (en) | 2003-03-13 |
WO2003018489A1 (en) | 2003-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: SCHOTT AG, 55122 MAINZ, DE |
|
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |