Melting in furnaces Furnaces so far as specially adapted for glass manufacture

CCHEMISTRY METALLURGY C03Glass mineral C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES

C03B5/00Melting in furnaces Furnaces so far as specially adapted for glass manufacture

C03B5/005of glass-forming waste materials C03B5/02in electric furnaces C03B5/021by induction heating C03B5/023by microwave heating C03B5/025by arc discharge or plasma heating C03B5/027by passing an electric current between electrodes immersed in the glass bath C03B5/0272Pot furnaces C03B5/0275Shaft furnaces C03B5/0277Rotary furnaces C03B5/03Tank furnaces C03B5/031Cold top tank furnaces C03B5/033by using resistance heaters above or in the glass bath C03B5/0332Tank furnaces C03B5/0334Pot furnaces; Core furnaces C03B5/0336Shaft furnaces C03B5/0338Rotary furnaces C03B5/04in tank furnaces C03B5/05Discontinuously-working tank furnaces C03B5/06in pot furnaces C03B5/08Glass-melting pots C03B5/10in combined tank furnaces and pots C03B5/12in shaft furnaces C03B5/14in revolving cylindrical furnaces C03B5/16Special features of the melting process Auxiliary means specially adapted for glass-melting furnaces C03B5/163Electrochemical treatments C03B5/167Means for preventing damage to equipment C03B5/1672Use of materials therefor C03B5/1675Platinum group metals C03B5/1677by use of electrochemically protection means C03B5/173Apparatus for changing the composition of the molten glass in glass furnaces C03B5/18Stirring devices Homogenisation C03B5/182by moving the molten glass along fixed elements C03B5/183using thermal means C03B5/185Electric means C03B5/187with moving elements C03B5/1875of the screw or pump-action type C03B5/193using gas C03B5/20Bridges, shoes, throats, or other devices for withholding dirt, foam, or batch C03B5/202Devices for blowing onto the melt surface C03B5/205Mechanical means for skimming or scraping the melt surface C03B5/207Foraminous or mesh screens C03B5/225Refining C03B5/2252under reduced pressure C03B5/2255by centrifuging C03B5/2257by thin-layer fining C03B5/23Cooling the molten glass C03B5/235Heating the glass C03B5/2353by combustion with pure oxygen or oxygen-enriched air C03B5/2356Submerged heating C03B5/237Regenerators or recuperators specially adapted for glass-melting furnaces C03B5/2375Regenerator brick design ; Use of materials therefor; Brick stacking arrangements C03B5/24Automatically regulating the melting process C03B5/245Regulating the melt or batch level, depth or thickness C03B5/26Outlets C03B5/262Drains C03B5/265Overflows; Lips; Tweels C03B5/267specially adapted for supplying the float tank C03B5/28Siphons C03B5/42Details of construction of furnace walls C03B5/425Preventing corrosion or erosion C03B5/43Use of materials for furnace walls C03B5/435Heating arrangements for furnace walls C03B5/44Cooling arrangements for furnace walls