Revised Application technology cupola furnace in the Iron & Steel sector

Cupola furnace gases technologies

Increasing production with tailormade oxygen applications

GAS APPLICATION

 

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.

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. There is communication between feed and furnace controls.

It is important that special rapid-switching valves are mounted as close as possible to the lances in order to provide supersonic speed during each phase of oxygen input. With controlled oxygen input the oxygen volume can be adjusted as desired for the melting performance. In addition to all its process technology advantages, the system, with its well thought-out simple construction, requires little maintenance, is easy to assemble and operate and has low investment costs with a long service life. The fine-tuning of the regulated frequency is carried out during on-site commissioning; the optimised parameters are stored and can be called-up for each product and/or melting performance.   

Oxipyr – Burner Technology

Oxipyr-burners are used as a back-up to superheat the melt in forehearths, which are connected downstream of the cupola furnace. Oxipyr-burners shorten the cold start time of cupola furnaces. Oxipyr-burners are used in combination with dust feed systems. Dust feed lances and high momentum burners together form one unit.  

Advantages:

Higher combustion efficiency
Higher melting rate
Faster heating-up times
Lower fuel consumption
Higher processing temperatures possible
Faster reaction speeds
Lower exhaust gas levels
Less dust
Lower emissions
Lower production costs

Revised Customer process cupola furnace in the Iron & Steel sector

Cupola furnace

Production of nodular and grey-cast iron

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Revised Customer process cupola furnace in the Iron & Steel sector