JPS6445728A - Melting furnace - Google Patents

Melting furnace

Info

Publication number
JPS6445728A
JPS6445728A JP20058387A JP20058387A JPS6445728A JP S6445728 A JPS6445728 A JP S6445728A JP 20058387 A JP20058387 A JP 20058387A JP 20058387 A JP20058387 A JP 20058387A JP S6445728 A JPS6445728 A JP S6445728A
Authority
JP
Japan
Prior art keywords
melted material
heating
nozzle
melted
dropping
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.)
Pending
Application number
JP20058387A
Other languages
Japanese (ja)
Inventor
Hidekazu Asano
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.)
IHI Corp
Original Assignee
IHI Corp
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 IHI Corp filed Critical IHI Corp
Priority to JP20058387A priority Critical patent/JPS6445728A/en
Publication of JPS6445728A publication Critical patent/JPS6445728A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/26—Outlets, e.g. drains, siphons; Overflows, e.g. for supplying the float tank, tweels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

PURPOSE:To obtain a melting furnace capable of effectively preventing stringiness phenomenon of melted product and readily controlling take off amount, etc., by continuously connecting changeover means for changing over the operation every heating part and setting heating range of a nozzle to each heating part in which heating area to the nozzle is arranged in the state divided up and down. CONSTITUTION:When dropping of melted material from a melt tank 1 is stopped, turning on electricity to heating parts 12A-12C having stages up and down is stopped successively from upper stage by changeover means 14. Viscosity of melted material of a part in the upper part is increased while continuing dropping of melted material in the lower part of a nozzle 5 and viscosity of melted material in the lower part is successively increased by the above-mentioned method. Namely, melted material in the upper part than the lowest stage position is formed to semi-solidification state till stopping heating of the lowest stage position and simultaneously melted material of the lowest stage position is let to flow off. When the dropping is begun, electric current is sent to total heating parts 12A-12C and total length of the nozzle 5 is heated all together and melted material in semi-solidification sate is rapidly melted.
JP20058387A 1987-08-11 1987-08-11 Melting furnace Pending JPS6445728A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20058387A JPS6445728A (en) 1987-08-11 1987-08-11 Melting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20058387A JPS6445728A (en) 1987-08-11 1987-08-11 Melting furnace

Publications (1)

Publication Number Publication Date
JPS6445728A true JPS6445728A (en) 1989-02-20

Family

ID=16426755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20058387A Pending JPS6445728A (en) 1987-08-11 1987-08-11 Melting furnace

Country Status (1)

Country Link
JP (1) JPS6445728A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1762548A2 (en) * 2005-09-08 2007-03-14 Horn Glass Industries AG Glass melting furnace bottom outlet

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734029A (en) * 1980-08-05 1982-02-24 Power Reactor & Nuclear Fuel Dev Corp Multistage heating and cooling type freeze valve
JPS60137833A (en) * 1983-12-22 1985-07-22 Toshiba Glass Co Ltd Melting furnace of high-frequency induction heating for glass

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734029A (en) * 1980-08-05 1982-02-24 Power Reactor & Nuclear Fuel Dev Corp Multistage heating and cooling type freeze valve
JPS60137833A (en) * 1983-12-22 1985-07-22 Toshiba Glass Co Ltd Melting furnace of high-frequency induction heating for glass

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1762548A2 (en) * 2005-09-08 2007-03-14 Horn Glass Industries AG Glass melting furnace bottom outlet
EP1762548A3 (en) * 2005-09-08 2008-07-09 Horn Glass Industries AG Glass melting furnace bottom outlet

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