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Title: Tube furnace

Abstract

A vermiculite insulated tube furnace is heated by a helically-wound resistance wire positioned within a helical groove on the surface of a ceramic cylinder, that in turn is surroundingly disposed about a doubly slotted stainless steel cylindrical liner. For uniform heating, the pitch of the helix is of shorter length over the two end portions of the ceramic cylinder. The furnace is of large volume, provides uniform temperature, offers an extremely precise programmed heating capability, features very rapid cool-down, and has a modest electrical power requirement.

Inventors:
; ; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab., CA (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
10160226
Patent Number(s):
PATENTS-US-A7580449
Application Number:
ON: DE92016874; PAN: 7-580,449
Assignee:
Dept. of Energy
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent Application
Resource Relation:
Other Information: PBD: 1990
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; ELECTRIC FURNACES; DESIGN; INVENTIONS; TUBES; EFFICIENCY; HELICAL CONFIGURATION; WIRES; CERAMICS; VERMICULITE; STAINLESS STEELS; MATERIALS; POWER SUPPLIES; CONTROL SYSTEMS; 421000; COMBUSTION SYSTEMS

Citation Formats

Foster, K G, Frohwein, E J, Taylor, R W, and Bowen, D W. Tube furnace. United States: N. p., 1990. Web.
Foster, K G, Frohwein, E J, Taylor, R W, & Bowen, D W. Tube furnace. United States.
Foster, K G, Frohwein, E J, Taylor, R W, and Bowen, D W. 1990. "Tube furnace". United States.
@article{osti_10160226,
title = {Tube furnace},
author = {Foster, K G and Frohwein, E J and Taylor, R W and Bowen, D W},
abstractNote = {A vermiculite insulated tube furnace is heated by a helically-wound resistance wire positioned within a helical groove on the surface of a ceramic cylinder, that in turn is surroundingly disposed about a doubly slotted stainless steel cylindrical liner. For uniform heating, the pitch of the helix is of shorter length over the two end portions of the ceramic cylinder. The furnace is of large volume, provides uniform temperature, offers an extremely precise programmed heating capability, features very rapid cool-down, and has a modest electrical power requirement.},
doi = {},
url = {https://www.osti.gov/biblio/10160226}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Dec 31 00:00:00 EST 1990},
month = {Mon Dec 31 00:00:00 EST 1990}
}