CA1147784A - Glass melting furnace with control of scr condution time - Google Patents
Glass melting furnace with control of scr condution timeInfo
- Publication number
- CA1147784A CA1147784A CA000345957A CA345957A CA1147784A CA 1147784 A CA1147784 A CA 1147784A CA 000345957 A CA000345957 A CA 000345957A CA 345957 A CA345957 A CA 345957A CA 1147784 A CA1147784 A CA 1147784A
- Authority
- CA
- Canada
- Prior art keywords
- plant
- time
- conduction
- cycles
- electric power
- 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
Links
- 238000002844 melting Methods 0.000 title claims abstract description 8
- 230000008018 melting Effects 0.000 title claims abstract description 8
- 239000011521 glass Substances 0.000 title description 10
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 3
- 230000009467 reduction Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000009291 secondary effect Effects 0.000 description 2
- 101000668165 Homo sapiens RNA-binding motif, single-stranded-interacting protein 1 Proteins 0.000 description 1
- 102100039692 RNA-binding motif, single-stranded-interacting protein 1 Human genes 0.000 description 1
- 206010040925 Skin striae Diseases 0.000 description 1
- VEUACKUBDLVUAC-UHFFFAOYSA-N [Na].[Ca] Chemical compound [Na].[Ca] VEUACKUBDLVUAC-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/0019—Circuit arrangements
- H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
- G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/66—Regulating electric power
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Glass Melting And Manufacturing (AREA)
- Resistance Heating (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT7940024A IT7940024A0 (it) | 1979-02-19 | 1979-02-19 | Metodo per la fusione di materiali vetrosi ed uso di dispositivo idoneo alla realizzazione del metodo |
| IT40024A/79 | 1979-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1147784A true CA1147784A (en) | 1983-06-07 |
Family
ID=11246721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000345957A Expired CA1147784A (en) | 1979-02-19 | 1980-02-19 | Glass melting furnace with control of scr condution time |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4412334A (en:Method) |
| EP (1) | EP0014873A1 (en:Method) |
| BR (1) | BR8000982A (en:Method) |
| CA (1) | CA1147784A (en:Method) |
| ES (1) | ES488397A0 (en:Method) |
| GR (1) | GR74071B (en:Method) |
| IT (1) | IT7940024A0 (en:Method) |
| PT (1) | PT70821A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS235792B1 (en) | 1983-04-06 | 1985-05-15 | Pavel Zahalka | Connection for direct heating of ionic melt especially of glass by alternating current passage with lower frequency than 50 hz |
| DE19531517C1 (de) * | 1995-08-26 | 1996-11-14 | Bosch Gmbh Robert | Verfahren zur Steuerung der abgegebenen Leistung einer elektrischen Schaltung, insbesondere einer Sinusquelle |
| ITMI20101719A1 (it) * | 2010-09-21 | 2012-03-22 | Chin-Yi Lin | Regolatore di potenza, sistema di controllo della potenza e relativo metodo |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2902524A (en) * | 1955-10-26 | 1959-09-01 | Stratabar Process Company | Method and apparatus for producing molten silicates |
| US3395237A (en) * | 1967-05-03 | 1968-07-30 | Harold S. Orton | Electric resistance furnace |
| US3524918A (en) * | 1967-09-04 | 1970-08-18 | Tokyo Shibaura Electric Co | Electrically-heated glass-melting apparatus |
| GB1256694A (en:Method) * | 1968-03-18 | 1971-12-15 | ||
| US3633095A (en) * | 1970-07-31 | 1972-01-04 | Fairchild Camera Instr Co | Zero-crossing power line control system |
| US3878358A (en) * | 1972-11-16 | 1975-04-15 | Xerox Corp | Digital power control |
| US3818112A (en) * | 1973-04-30 | 1974-06-18 | Corhart Refractories Co | Electrical furnace for melting glass |
| US3984611A (en) * | 1974-10-15 | 1976-10-05 | Owens-Corning Fiberglas Corporation | Method of and apparatus for monitoring for incipient electrode failure in the Joule effect heating of heat softenable material |
| US3961236A (en) * | 1975-02-07 | 1976-06-01 | Xerox Corporation | Constant power regulator for xerographic fusing system |
-
1979
- 1979-02-19 IT IT7940024A patent/IT7940024A0/it unknown
-
1980
- 1980-02-01 EP EP80100506A patent/EP0014873A1/en not_active Ceased
- 1980-02-04 GR GR61116A patent/GR74071B/el unknown
- 1980-02-08 ES ES488397A patent/ES488397A0/es active Granted
- 1980-02-12 PT PT70821A patent/PT70821A/pt unknown
- 1980-02-15 BR BR8000982A patent/BR8000982A/pt unknown
- 1980-02-19 CA CA000345957A patent/CA1147784A/en not_active Expired
-
1982
- 1982-04-06 US US06/365,984 patent/US4412334A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ES8101520A1 (es) | 1980-12-16 |
| BR8000982A (pt) | 1980-10-29 |
| GR74071B (en:Method) | 1984-06-06 |
| PT70821A (en) | 1980-03-01 |
| IT7940024A0 (it) | 1979-02-19 |
| US4412334A (en) | 1983-10-25 |
| EP0014873A1 (en) | 1980-09-03 |
| ES488397A0 (es) | 1980-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |