FR2423453A1 - Four a hauteurs differentes d'immersion d'electrodes - Google Patents
Four a hauteurs differentes d'immersion d'electrodesInfo
- Publication number
- FR2423453A1 FR2423453A1 FR7811344A FR7811344A FR2423453A1 FR 2423453 A1 FR2423453 A1 FR 2423453A1 FR 7811344 A FR7811344 A FR 7811344A FR 7811344 A FR7811344 A FR 7811344A FR 2423453 A1 FR2423453 A1 FR 2423453A1
- Authority
- FR
- France
- Prior art keywords
- glass
- electrodes
- temp
- distribution
- 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
Links
- 238000002844 melting Methods 0.000 title abstract 2
- 230000035515 penetration Effects 0.000 title abstract 2
- 230000004927 fusion Effects 0.000 abstract 2
- 239000011521 glass Substances 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000012768 molten material Substances 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000012815 thermoplastic material Substances 0.000 abstract 1
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
- C03B5/225—Refining
-
- 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
-
- 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
- C03B5/18—Stirring devices; Homogenisation
- C03B5/183—Stirring devices; Homogenisation using thermal means, e.g. for creating convection currents
- C03B5/185—Electric means
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Glass Melting And Manufacturing (AREA)
- Resistance Heating (AREA)
Abstract
Procédé pour la fusion de verres et four à hauteurs différentes d'immersion d'électrodes. L'enfournement des matériaux se fait à la partie supérieure et le soutirage à la partie inférieurs. L'immersion de certaines des électrodes dans le matériau fondu est modifiée pour ajuster la forme et la profondeur de la zone de fusion située entre le matériau fondu et le chargement. Le four comprend plusieurs électrodes à profondeurs d'immersion différentes ou variables dans le matériau fondu. Applications aux fours pour la fusion des matériaux thermoplastiques tels que les verres.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7811344A FR2423453A1 (fr) | 1978-04-18 | 1978-04-18 | Four a hauteurs differentes d'immersion d'electrodes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7811344A FR2423453A1 (fr) | 1978-04-18 | 1978-04-18 | Four a hauteurs differentes d'immersion d'electrodes |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2423453A1 true FR2423453A1 (fr) | 1979-11-16 |
FR2423453B1 FR2423453B1 (fr) | 1984-01-20 |
Family
ID=9207248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7811344A Granted FR2423453A1 (fr) | 1978-04-18 | 1978-04-18 | Four a hauteurs differentes d'immersion d'electrodes |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2423453A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2424884A1 (fr) * | 1978-05-01 | 1979-11-30 | Gen Electric | Dispositif de commande de puissance pour un four de fusion du verre |
FR2424883A1 (fr) * | 1978-05-01 | 1979-11-30 | Gen Electric | Procede et appareil perfectionnes pour la fusion electrique en continu du verre |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1305805A (fr) * | 1960-11-07 | 1962-10-05 | Saint Gobain | Four électrique |
-
1978
- 1978-04-18 FR FR7811344A patent/FR2423453A1/fr active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1305805A (fr) * | 1960-11-07 | 1962-10-05 | Saint Gobain | Four électrique |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2424884A1 (fr) * | 1978-05-01 | 1979-11-30 | Gen Electric | Dispositif de commande de puissance pour un four de fusion du verre |
FR2424883A1 (fr) * | 1978-05-01 | 1979-11-30 | Gen Electric | Procede et appareil perfectionnes pour la fusion electrique en continu du verre |
Also Published As
Publication number | Publication date |
---|---|
FR2423453B1 (fr) | 1984-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |