A multi-phase AC arc discharge and its application in in-flight thermal treatment of raw glass powders

Y. Yao, M. M. Hossain, T. Watanabe, T. Matsuura, F. Funabiki, T. Yano

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The in-flight melting technology with multi-phase alternating current (AC) arc was developed for the purpose of saving energy and shortening production cycle for glass industry. The 6-phase arc and 12-phase arc were used to investigate the in-flight melting behavior of soda-lime and alkali-free glass powders. Results showed that the vitrification degree of raw materials and the shrinkage of particle diameter increased with the increase of input power. The higher melting temperature and viscosity were responsible for the lower vitrification degree of alkali-free glass powders. Compared with 6-phase arc, 12-phase arc improved the vitrification degree of raw material for the longer residence time and higher plasma temperature under the same transformer current. The high vitrification degree achieved in short time indicated that the new in-flight melting technology with multi-phase ac arc would be a promising method for energy conservation in glass industry.

Original languageEnglish
Pages (from-to)390-397
Number of pages8
JournalChemical Engineering Journal
Volume139
Issue number2
DOIs
Publication statusPublished - Jun 1 2008
Externally publishedYes

Fingerprint

vitrification
Vitrification
Powders
melting
glass
Heat treatment
flight
Glass industry
Glass
Melting
Alkalies
Energy conservation
Raw materials
Electric instrument transformers
energy conservation
Lime
lime
Melting point
residence time
viscosity

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

A multi-phase AC arc discharge and its application in in-flight thermal treatment of raw glass powders. / Yao, Y.; Hossain, M. M.; Watanabe, T.; Matsuura, T.; Funabiki, F.; Yano, T.

In: Chemical Engineering Journal, Vol. 139, No. 2, 01.06.2008, p. 390-397.

Research output: Contribution to journalArticle

Yao, Y. ; Hossain, M. M. ; Watanabe, T. ; Matsuura, T. ; Funabiki, F. ; Yano, T. / A multi-phase AC arc discharge and its application in in-flight thermal treatment of raw glass powders. In: Chemical Engineering Journal. 2008 ; Vol. 139, No. 2. pp. 390-397.
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