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Brochure about the usage of gas-infrared pourus burners in industrial drying processes.
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Goch GmbH & Co. KGZum Ihnedieck 18D - 44265 Dortmund
Tel. +49 (0)231 - 46 50 50Fax. +49 (0)231 - 46 50 588E-Mail: [email protected]: www.gogas.com
Porous Burner RADIMAX for Paper Industry - June 2001
Page: 1
POROUS BURNER RADIMAX - for the Use in the Paper Industry
1. Problem
In paper industry most of the paper machines use infrared burners for the drying of thecoatings. However many machines run at their production limit, i.e. a slow drying processimpedes an increase of production and efficiency. How can this problem be eliminated?
2. Solution
In cooperation with the University Erlangen GoGaS developed a completely new conceptfor gas infrared burners. The combustion of the gas does not take place at the burner surface,as for conventional combustion, but in the centre of the burner. The principle is shown in fig.1.
Fresh gas mixture
Combustion region
Heat removal out of the reaction zoneby radiation and conduction of thesolid body as well as by convectiveheat transfer and dispersion
Heat trasport for stabilizationof the reaction zone
Porous medium withlarge pore size
(Region C)
Exhaust gases
Ignitiontemperature
Preheating regionPorous medium withsmall pore size
(Region A)
Heat transport in axialdirection by radiation,conduction, dispersion,and convection
Region A
Region C
Figure 1
Goch GmbH & Co. KGZum Ihnedieck 18D - 44265 Dortmund
Tel. +49 (0)231 - 46 50 50Fax. +49 (0)231 - 46 50 588E-Mail: [email protected]: www.gogas.com
Porous Burner RADIMAX for Paper Industry - June 2001
Page: 2
By using this new combustion principle GoGaS could realize the manufacture of a burnerwith an extreme high thermal surface load. Compared to the conventional burners with athermal surface load of approx. 350 kW/m² and a constant temperature of 1100 °C theporous burner RADIMAX reaches a temperature of 1450 °C at a thermal surface load ofmore than 1000 kW/m².
RADIMAX at max. load on the testing stand
The mounting situation is shown in fig. 2.
A
Detail A
Figure 2
Goch GmbH & Co. KGZum Ihnedieck 18D - 44265 Dortmund
Tel. +49 (0)231 - 46 50 50Fax. +49 (0)231 - 46 50 588E-Mail: [email protected]: www.gogas.com
Porous Burner RADIMAX for Paper Industry - June 2001
Page: 3
3. Advantages
The porous burner RADIMAX stands out against comparable products of our competitorsdue to the following characteristics:
• Thermal surface load 1000 kW/m²
• Temperature 1450 °C
• Wide range of control (1:6)
• Combustion with low emission
• Constant λ for complete range of control
• Compatible to all systems, i.e. quick and simple exchange
• Safe ignition and control system
4. Benefits
The use of the porous burner RADIMAX shows the following profits:
• Increase of evaporation capacity of existing lines without modification
• Low spare parts costs
• Increased production
• Smaller space requirement for new plants