Induction melter apparatus
Abstract
Apparatus and methods of operation are provided for a cold-crucible-induction melter for vitrifying waste wherein a single induction power supply may be used to effect a selected thermal distribution by independently energizing at least two inductors. Also, a bottom drain assembly may be heated by an inductor and may include an electrically resistive heater. The bottom drain assembly may be cooled to solidify molten material passing therethrough to prevent discharge of molten material therefrom. Configurations are provided wherein the induction flux skin depth substantially corresponds with the central longitudinal axis of the crucible. Further, the drain tube may be positioned within the induction flux skin depth in relation to material within the crucible or may be substantially aligned with a direction of flow of molten material within the crucible. An improved head design including four shells forming thermal radiation shields and at least two gas-cooled plenums is also disclosed.
- Inventors:
-
- Idaho Falls, ID
- Issue Date:
- Research Org.:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 983050
- Patent Number(s):
- 7388896
- Application Number:
- 11/253,138
- Assignee:
- Battelle Energy Alliance, LLC (Idaho Falls, ID)
- Patent Classifications (CPCs):
-
F - MECHANICAL ENGINEERING F23 - COMBUSTION APPARATUS F23G - CREMATION FURNACES
F - MECHANICAL ENGINEERING F27 - FURNACES F27B - FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL
- DOE Contract Number:
- AC07-05ID14517
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION
Citation Formats
Roach, Jay A, Richardson, John G, Raivo, Brian D, and Soelberg, Nicholas R. Induction melter apparatus. United States: N. p., 2008.
Web.
Roach, Jay A, Richardson, John G, Raivo, Brian D, & Soelberg, Nicholas R. Induction melter apparatus. United States.
Roach, Jay A, Richardson, John G, Raivo, Brian D, and Soelberg, Nicholas R. Tue .
"Induction melter apparatus". United States. https://www.osti.gov/servlets/purl/983050.
@article{osti_983050,
title = {Induction melter apparatus},
author = {Roach, Jay A and Richardson, John G and Raivo, Brian D and Soelberg, Nicholas R},
abstractNote = {Apparatus and methods of operation are provided for a cold-crucible-induction melter for vitrifying waste wherein a single induction power supply may be used to effect a selected thermal distribution by independently energizing at least two inductors. Also, a bottom drain assembly may be heated by an inductor and may include an electrically resistive heater. The bottom drain assembly may be cooled to solidify molten material passing therethrough to prevent discharge of molten material therefrom. Configurations are provided wherein the induction flux skin depth substantially corresponds with the central longitudinal axis of the crucible. Further, the drain tube may be positioned within the induction flux skin depth in relation to material within the crucible or may be substantially aligned with a direction of flow of molten material within the crucible. An improved head design including four shells forming thermal radiation shields and at least two gas-cooled plenums is also disclosed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jun 17 00:00:00 EDT 2008},
month = {Tue Jun 17 00:00:00 EDT 2008}
}