Obsolete Application technology shaft furnace in the Non ferrous metals sector

Shaft furnace

Optimising ...

GAS APPLICATION

The combustion air necessary for the process is enriched with oxygen and introduced into the region of the melting zone via tuyeres or wind nozzles. To ensure the predetermined oxygen content in the combustion air, the controls of the oxygen supply communicate with the furnace controls.  Messer’s Oxijet- supersonic lances, which feed the oxygen directly into the furnace, are used. The controlled Oxijet process was developed in order to be able to accurately control oxygen levels even at supersonic entry.

 

Oxygen enrichment creates the following advantages when used with a shaft furnace: 

Reduction in coke rate
Improved performance 
Reduces post-combustion burden
Faster reaction speeds
Greater flexibility
Raised temperatures in the melting zone 
Even temperature distribution across the shaft cross-section 
Lower production costs
Lower emissions

MESSER-SOLUTION


In addition to the gases required for your process, Messer offers a variety of equipment for its optimisation under the brand names Oxipyr and Oxijet. 

In order to select the optimum system, experts from Messer first carry out a comprehensive process analysis. Following calculations and basic engineering, suggestions are made for optimisation and further procedures.

Controlled (Pulsating) Oxijet

Oxygen is introduced directly into the furnace via lances with the oxygen exit velocity in the supersonic range.  The lava lances used only generate the required impulse when there is a defined design point. Pulsation guarantees consistent oxygen content in the air/oxygen mixture. 

Obsolete Application technology shaft furnace in the Non ferrous metals sector

Shaft furnace

Optimising ...

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