GB477027A - Improvements in electric furnaces - Google Patents
Improvements in electric furnacesInfo
- Publication number
- GB477027A GB477027A GB8287/36A GB828736A GB477027A GB 477027 A GB477027 A GB 477027A GB 8287/36 A GB8287/36 A GB 8287/36A GB 828736 A GB828736 A GB 828736A GB 477027 A GB477027 A GB 477027A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrodes
- outlet
- gap
- furnace
- electrode
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/02—Ohmic resistance heating
- F27D11/04—Ohmic resistance heating with direct passage of current through the material being heated
-
- 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
-
- 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
- C03B5/033—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating
- C03B5/0332—Tank furnaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
477,027. Electric furnaces. TRIGGS, W. W. (Cornelius, Y. R.) March 19, 1936, No. 8287. [Class 39 (iii)] In a polyphase furnace which may be used for the manufacture of glass and sodium silicate and which has submerged electrodes and a submerged outlet, an electrode is arranged opposite the outlet and other electrodes are arranged so that the gap between electrodes near the outlet is smaller than the gap between electrodes further from the outlet so as to promote uniform heating. In Fig. 2, the gaps X, Y are #2 times the gap Z. In Fig. 4, electrodes 24, 26 are connected to the same phase. The maximum gap is, between electrodes 23, 25 and the minimum gap is between electrode 23 and electrodes 24 and 26. In modifications of Fig. 4, some or all of the electrodes are each replaced by as paced pair of electrodes. The bottom of the outlet throat and the refining chamber 4, Fig. 11, are heated by carbon resisters 38 arranged under iron blocks 37. Cooling ducts 35 are provided in the furnace walls. The charge is spread over the furnace by a motor driven charging car as described in Specification 439,080. The spacing of the electrodes from the furnace walls is also in accordance with that Specification. The electrodes rest on a platform 12 and are of cylindrical or rectangular form with connecting plates 47 having a volume not less than a third of that of the electrode.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2089690X | 1934-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB477027A true GB477027A (en) | 1937-12-20 |
Family
ID=31994857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8287/36A Expired GB477027A (en) | 1934-12-24 | 1936-03-19 | Improvements in electric furnaces |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2089690A (en) |
| BE (1) | BE414770A (en) |
| FR (1) | FR804356A (en) |
| GB (1) | GB477027A (en) |
| NL (1) | NL46073C (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL71667C (en) * | 1943-07-01 | |||
| CH248744A (en) * | 1944-05-05 | 1947-05-31 | Electroverre Romont Sa | Process for the melting of vitrifiable materials and their refining, during the manufacture of glass, and furnace for the implementation of this process. |
| US2415493A (en) * | 1944-11-27 | 1947-02-11 | Artemas F Holden | Salt bath furnace |
| GB616451A (en) * | 1945-09-15 | 1949-01-21 | Saint Gobain | Improvements in or relating to the manufacture of glass |
| US2523030A (en) * | 1948-10-30 | 1950-09-19 | Glass Fibers Inc | Electric glass furnace |
| NL151861B (en) * | 1949-03-15 | Ampex | PHASE DISCRIMINATOR. | |
| US2589301A (en) * | 1949-06-07 | 1952-03-18 | Kaiser Aluminium Chem Corp | Electric melting furnace |
| US2658094A (en) * | 1950-05-10 | 1953-11-03 | Gen Electric | Combined electrode and skimmer for electric glass melting furnaces |
| US2680772A (en) * | 1950-12-02 | 1954-06-08 | Ferro Corp | Method for producing porcelain enamel |
| US2761890A (en) * | 1952-03-15 | 1956-09-04 | Saint Gobain | Method and arrangement in the heating of electric furnaces |
| US2749379A (en) * | 1952-06-06 | 1956-06-05 | Jenaer Glaswerk Schott & Gen | Means and method for the electric melting of glass |
| US2749378A (en) * | 1954-01-08 | 1956-06-05 | Harvey L Penberthy | Method and apparatus for glass production |
| US2928887A (en) * | 1955-07-28 | 1960-03-15 | Jenaer Glaswerk Schott & Gen | Method and apparatus for refining glass |
| US2972651A (en) * | 1956-04-13 | 1961-02-21 | Ajax Electric Company | Electrode arrangement in a salt bath furnace |
| US4351054A (en) * | 1981-03-04 | 1982-09-21 | Manville Service Corporation | Optimized mixing and melting electric furnace |
| GB2108250B (en) * | 1981-10-19 | 1985-01-09 | Bhf Eng Ltd | Forehearths |
| US6125658A (en) * | 1997-07-22 | 2000-10-03 | Isover Saint-Gobain | Glass furnace and installation comprising same |
| US6044667A (en) | 1997-08-25 | 2000-04-04 | Guardian Fiberglass, Inc. | Glass melting apparatus and method |
| US5961686A (en) | 1997-08-25 | 1999-10-05 | Guardian Fiberglass, Inc. | Side-discharge melter for use in the manufacture of fiberglass |
| JP4300333B2 (en) * | 2002-03-14 | 2009-07-22 | ジャパンスーパークォーツ株式会社 | Manufacturing method and apparatus for quartz glass crucible by ring arc and quartz glass crucible |
| JP4300334B2 (en) * | 2002-08-15 | 2009-07-22 | ジャパンスーパークォーツ株式会社 | Recycling method of quartz glass crucible |
-
1935
- 1935-01-16 US US2003A patent/US2089690A/en not_active Expired - Lifetime
-
1936
- 1936-03-19 GB GB8287/36A patent/GB477027A/en not_active Expired
- 1936-03-26 NL NL77150A patent/NL46073C/xx active
- 1936-03-30 FR FR804356D patent/FR804356A/en not_active Expired
- 1936-03-31 BE BE414770D patent/BE414770A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2089690A (en) | 1937-08-10 |
| FR804356A (en) | 1936-10-22 |
| NL46073C (en) | 1939-07-15 |
| BE414770A (en) | 1936-04-30 |
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