Melting port
A melting port is a crucible-like vessel that is used in glass furnaces ( port furnaces ) to melt the glass mass therein. The melting of the sandy mixture takes place at 1500 ° C. Even higher temperatures can be found on the outside of the melting ports. Melting ports are made of clay.
Since the replacement of melting ports is time-consuming and leads to production downtimes, frequent replacement of melting ports is a reason for financial difficulties for glassworks . Melting furnaces remain at the same temperature during their operating time. Therefore, a melting port is exchanged at operating temperature.
In Germany, the Fastner company from Arzberg produces melting ports .
Individual evidence
- ↑ Melting ports . In: Universal Lexicon of the Present and Past . 4., reworked. and greatly increased edition, Volume 15: Säugethiere – Sicilicus , self-published, Altenburg 1862, p. 317 .
- ↑ Melting port. In: Jacob Grimm , Wilhelm Grimm (Hrsg.): German dictionary . tape 15 : Schiefeln – Soul - (IX). S. Hirzel, Leipzig 1899 ( woerterbuchnetz.de ).
- ↑ Michaelis Glasmanufaktur - News. Retrieved December 22, 2019 .
- ↑ leichlingen.de (PDF)
- ↑ Pottery in XXL: melting ports from Arzberg . January 22, 2019, accessed December 22, 2019 . br.de