Apparatus and method for processing molten glass

A technology for molten glass and equipment, applied in the field of molten glass processing, can solve the problems of molybdenum or tungsten core oxidation, plunger failure, complex layers, etc., to achieve the effects of low production cost, increased fracture resistance, and long service life

Active Publication Date: 2010-02-24
UMICORE AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] But the plunger has the disadvantage that the layers accumulated by the molybdenum or tungsten core are relatively complex
Another disadvantage is that if the cladding is damaged, the molybdenum or tungsten core will oxidize and as a result the plunger starts to fail

Method used

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  • Apparatus and method for processing molten glass
  • Apparatus and method for processing molten glass
  • Apparatus and method for processing molten glass

Examples

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Embodiment Construction

[0063] Figure 1a A longitudinal section through a first embodiment of a device 2 according to the invention is shown. The device 2 is designed in this case as, for example, a stirrer and has a rod 20 and an actuating device 4 which are moved via a drive (not shown). For this purpose, a driver or holding flange 5 is provided on the rod 20 . The driver or holding flange 5 is in this case received in a rod 20 and is provided with a protective cap 7 preferably consisting of a PGM material including, for example, an oxide dispersion strengthened PGM material.

[0064] The rod 20 of the device 2 according to the invention has at least one at least partially or completely seamless tube, which preferably consists of an oxide dispersion strengthened PGM material or at least comprises such a material. The rod 20 has a first thickened portion 9 to which the actuating means 4 is fastened, preferably by means of welding. The welding can in this case create a stable and glass-tight fast...

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Abstract

Apparatus, which is suitable for being surrounded by molten glass, the apparatus having a shank which has at least one at least partially seamless tube consisting of an oxide dispersion-strengthened PGM material, the shank having at least one thickened portion on which an actuating device is arranged.

Description

technical field [0001] The present invention relates to an apparatus adapted to be surrounded by molten glass and which can be designed, for example, in the form of a stirrer, needle, plunger or rotary plunger, Vello needle or pull-down needle, in order to be used in the glass industry In, for example, it is used to homogenize molten glass. The invention also relates to a method for processing molten glass in which the above-mentioned apparatus is used. Background technique [0002] Structural parts made of high-grade metals or high-grade metal alloys, preferably such as PGM materials, are used in the glass industry, especially in plants for melting and thermoforming specialty glasses. These accessories used in the melting process, also known as PGM (Platinum Group Metals) products, are used to melt, refine, convey, homogenize and distribute liquid glass. [0003] In essence, such structural parts are components made of solid PGM material or of high temperature resistant m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B5/167C03B5/187C03B17/04C03B7/092B01F7/00
CPCC03B5/187C03B5/1675B01F7/00141B01F7/005B01F7/00125B01F7/001B01F7/00033C03B5/1672B01F7/00541C03B7/092B01F7/00416C03B5/1875C03B17/04B01F27/053B01F27/0722B01F27/071B01F27/0724B01F27/1143B01F27/116B01F27/117C03B5/167
Inventor R·辛格
Owner UMICORE AG & CO KG
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