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GB502576A - Improvements in or relating to electric furnaces - Google Patents

Improvements in or relating to electric furnaces

Info

Publication number
GB502576A
GB502576A GB2795437A GB2795437A GB502576A GB 502576 A GB502576 A GB 502576A GB 2795437 A GB2795437 A GB 2795437A GB 2795437 A GB2795437 A GB 2795437A GB 502576 A GB502576 A GB 502576A
Authority
GB
United Kingdom
Prior art keywords
tube
screw
tantalum
jacket
tungsten
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2795437A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB2795437A priority Critical patent/GB502576A/en
Publication of GB502576A publication Critical patent/GB502576A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00Arrangement of elements for electric heating in or on furnaces
    • F27D11/02Ohmic resistance heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/62Heating elements specially adapted for furnaces
    • H05B3/64Heating elements specially adapted for furnaces using ribbon, rod, or wire heater

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Furnace Charging Or Discharging (AREA)

Abstract

502,576. Retort furnaces. GARDNER, D. Oct. 14, 1937, No. 27954. [Class 51 (ii)] [Also in Group XI] Charges, conveying ; discharging.-In an electric furnace for chemical, distilling, metallurgical, or heat treatment operations, the heat treatment chamber is a tube 1 with a perforated wall enclosing a screw 21 and surrounded by a jacket 4, either the screw or the tube or both being rotatable for propelling the charge through the tube. The tube may have an internal thread and in this case the screw may be replaced by a cylindrical rod. The interior of the jacket is connected to a condenser 8 which may be heated. The tube is vertical, inclined, or horizontal, and the screw is of uniform or varying pitch. The tube and screw may be made of carbon, petroleum cake, carborundum, tungsten, molybdenum or tantalum, or of carbides, borides or nitrides of zirconium, tungsten, tantalum, thorium, boron or titanium. The tube may be made of zirconia, thoria, beryllia, yttria or alumina. A helical vane 23 on the screw 21 distributes the treated material on to a cone 24 from which it falls on to a table 25.
GB2795437A 1937-10-14 1937-10-14 Improvements in or relating to electric furnaces Expired GB502576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2795437A GB502576A (en) 1937-10-14 1937-10-14 Improvements in or relating to electric furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2795437A GB502576A (en) 1937-10-14 1937-10-14 Improvements in or relating to electric furnaces

Publications (1)

Publication Number Publication Date
GB502576A true GB502576A (en) 1939-03-21

Family

ID=10267947

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2795437A Expired GB502576A (en) 1937-10-14 1937-10-14 Improvements in or relating to electric furnaces

Country Status (1)

Country Link
GB (1) GB502576A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034019A2 (en) * 2004-09-21 2006-03-30 Eastman Kodak Company Delivering particulate material to a vaporization zone
WO2006034028A3 (en) * 2004-09-21 2006-07-06 Eastman Kodak Co Delivering particulate material to a vaporization source
US7288286B2 (en) 2004-09-21 2007-10-30 Eastman Kodak Company Delivering organic powder to a vaporization zone
US7288285B2 (en) 2004-09-21 2007-10-30 Eastman Kodak Company Delivering organic powder to a vaporization zone

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006034019A2 (en) * 2004-09-21 2006-03-30 Eastman Kodak Company Delivering particulate material to a vaporization zone
WO2006034028A3 (en) * 2004-09-21 2006-07-06 Eastman Kodak Co Delivering particulate material to a vaporization source
WO2006034019A3 (en) * 2004-09-21 2006-11-09 Eastman Kodak Co Delivering particulate material to a vaporization zone
US7288286B2 (en) 2004-09-21 2007-10-30 Eastman Kodak Company Delivering organic powder to a vaporization zone
US7288285B2 (en) 2004-09-21 2007-10-30 Eastman Kodak Company Delivering organic powder to a vaporization zone
US7501152B2 (en) 2004-09-21 2009-03-10 Eastman Kodak Company Delivering particulate material to a vaporization zone

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