Method and device for using lean gas to heat smelting furnaces or the like with cold gas burners
DE843098C
Regenerative melting furnace for melting steel
DE728280C
One-room deep furnace for heat treatment, e.g. B. of steel blocks
DE754379C
Extractor for pusher ovens
DE742001C
Process for the reduction of iron ores u. Like. By carbon oxide-containing gases in the circuit
DE718891C
Lid shifting device for deep furnaces u. Like. With mobile lids
DE732622C
Soaking furnace for billets and slabs
DE704605C
Single room deep furnace for the heat treatment of, for example, steel blocks
DE719753C
Safety device to prevent the slider from getting stuck or falling in a reversing device consisting of a gate valve and a shut-off valve with a common drive
DE639716C
Device for loading and emptying continuous ovens
DE698929C
Reversing device for pairs of slides with two driven slides for regenerative ovens
DE642591C
Reversing device for the fresh gas or air flow and the exhaust gas flow in regenerative furnace systems
DE660562C
Vibrating beam stove
DE670060C
Regenerative direct current furnace
DE670304C
Loading tray for adding lime or other additives to Siemens-Martin ovens
