GAS APPLICATIONS
The energy required is introduced by means of burner systems, where oxyfuel burner systems exhibit higher thermal efficiency and other advantages over air burner systems, such as:
- 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
In the oxidation phase, oxygen-enriched air is added using lances. In some cases, nitrogen bottom purgers are used for better pool movement.
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.
Oxipyr – Burner Technology
Application of Oxipyr – Burner for rotary drum anode furnaces:
| Volume (t) | Previous | New | Energy savings (%) |
| 150 | Natural gas/O2 | Oxipyr - F | 10 |
| 150 | New | Oxipyr - Flex | New |
| 30 | Oil/Air | Oxipyr - Air | 60 |
| 30 | Oil/Air | Oxipyr - Air | 60 |
Figures realised at Messer customers for rotary drum and Thomas anode furnaces
Application of Oxipyr – Burner for hearth anode furnaces:
| Volume (t) | Previous | New | Energy savings (%) |
| 100 | Natural gas/Air | Oxipyr - F | 65 |
| 100 | Natural gas/Air | Oxipyr - F | 65 |
| 100 | Natural gas/Air | Oxipyr - F | 65 |
| 100 | Natural gas/Air | Oxipyr - F | 65 |
| 100 | New | Oxipyr - F | New |
| 60 | Natural gas/Air | Oxipyr - F | 65 |
Figures realised at Messer customers for hearth anode furnaces
The characteristics of the burner types are versatile and range from low to high momentum burners, oxyfuel to oxygen/air mixing burners and burners for different fuels or fuel combinations. The systems are controlled manually, semi- or fully automatically following recipes or temperature.
| Oxipyr | Fuel | Burner protection | Flame | ||||||
| Burner Technology | gas | liquid | solid | low NOx | refractory material | traversing devices | cooling | monitoring | ignition |
| Oxipyr – P | X |
|
|
| X | X | X | X | X |
| Oxipyr – F | X | X | X | X | X | X | X | X | X |
| Oxipyr – Flex | X | X | X | X | X | X | X | X | X |
| Oxipyr – Air | X | X | X | X | X | X | X | X | X |
| Oxipyr – SVNR | X | X | X | X | X | X |
| X | X |
Oxijet - Lance Technology
The gas input system must be specific for the type of burner and furnace. Various nozzles can be used for this purpose:
- Messer Oxijet - basic Momentum lance for burners or furnaces
- Messer Oxijet - swirl Swirling lance for burners or furnaces for rapid mixing
- Messer Oxijet - supersonic Laval lance for burner or furnaces, adjusted to O2 throughput
- Messer Oxijet - atomising Atomisation of liquids and solid particles with oxygen
If necessary, the lances are equipped with water cooling.
