JPS57205328A - Electrically melting furnace for directly forming glass product - Google Patents

Electrically melting furnace for directly forming glass product

Info

Publication number
JPS57205328A
JPS57205328A JP8908081A JP8908081A JPS57205328A JP S57205328 A JPS57205328 A JP S57205328A JP 8908081 A JP8908081 A JP 8908081A JP 8908081 A JP8908081 A JP 8908081A JP S57205328 A JPS57205328 A JP S57205328A
Authority
JP
Japan
Prior art keywords
glass
zone
furnace
molten glass
melting furnace
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.)
Granted
Application number
JP8908081A
Other languages
Japanese (ja)
Other versions
JPH0139972B2 (en
Inventor
Sakichi Nakajima
Shuichi Yamazaki
Hiroaki Shono
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.)
Nitto Boseki Co Ltd
Original Assignee
Nitto Boseki Co Ltd
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 Nitto Boseki Co Ltd filed Critical Nitto Boseki Co Ltd
Priority to JP8908081A priority Critical patent/JPS57205328A/en
Publication of JPS57205328A publication Critical patent/JPS57205328A/en
Publication of JPH0139972B2 publication Critical patent/JPH0139972B2/ja
Granted 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
    • C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
    • C03B5/0275—Shaft furnaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

PURPOSE:To reduce the size of forming devices, to increase the efficiency and to facilitate the forming work by melting, homogenizing and refining glass in a vertical type electrically melting furnace and by directly feeding the molten glass to forming devices connected to the bottom openings of the furnace without passing through a riser and feeder. CONSTITUTION:A square type electrically melting furnace 1 is composed of an upper melting and convection zone 2 and a lower laminar flow refining zone 3. The cross-sectional area of the zone 3 is made to 0.3-0.9 time that of the zone 2 by means of a step 6. A layer 8 of a batch of glass is deposited on molten glass 7 in the furnace. The glass is successively melted with electrodes 4, and the molten glass is homogenized under circulating flows A and return flows B. The step 6 hinders polluted glass from flowing down. In the zone 3 the molten glass is further homogenized, refined, and provided with temp. and viscosity necessary for forming. This molten glass 7 is spun into glass fibers 15 with bushings 12 connected to the bottom wall 10 of the furnace.
JP8908081A 1981-06-10 1981-06-10 Electrically melting furnace for directly forming glass product Granted JPS57205328A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8908081A JPS57205328A (en) 1981-06-10 1981-06-10 Electrically melting furnace for directly forming glass product

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8908081A JPS57205328A (en) 1981-06-10 1981-06-10 Electrically melting furnace for directly forming glass product

Publications (2)

Publication Number Publication Date
JPS57205328A true JPS57205328A (en) 1982-12-16
JPH0139972B2 JPH0139972B2 (en) 1989-08-24

Family

ID=13960877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8908081A Granted JPS57205328A (en) 1981-06-10 1981-06-10 Electrically melting furnace for directly forming glass product

Country Status (1)

Country Link
JP (1) JPS57205328A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320480A1 (en) * 1983-06-07 1984-12-13 Aug. Horn Söhne Inh. Helmut Horn KG, 8591 Plößberg UNIVERSAL GLASS MELTING STOVE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320480A1 (en) * 1983-06-07 1984-12-13 Aug. Horn Söhne Inh. Helmut Horn KG, 8591 Plößberg UNIVERSAL GLASS MELTING STOVE
DE3320480C2 (en) * 1983-06-07 1986-08-07 Aug. Horn Söhne Inh. Helmut Horn KG, 8591 Plößberg Glass melting furnace

Also Published As

Publication number Publication date
JPH0139972B2 (en) 1989-08-24

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