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EXO-gas
generators produces protective atmosphere for Heat Treatment
furnaces. Lean Exo-gas or Rich
Exo-gas is produced simply by changing air/fuel
ratio.
Lean Exo-gas
generators are suitable for non-ferrous metals heat treatment
whereas Rich Exo-gas generators are used for heat treatment
of steel/brazing/annealing applications.
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Gas
Composition |
Lean Exo |
Rich
Exo |
CO2 |
11 to
13% |
5 to 6% |
CO |
0.5
to 1.5% |
11 to 12% |
H2 |
0.5 to 2% |
12
to 13% |
N2 |
Balance |
Balance |
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| By
providing a Refrigerated dryer after gas generator dew point
of (+) 5oC is achieved. For (-) 600C Dew
point, a Molecular Sieves dryer is provided. |
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Fuel
Natural gas/LPG/Kerosene
or Diesel. |
Capacities
10
Nm3/hr to 5000 Nm3/hr |
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These gas generators are fitted with a specially designed Swirl
Flame burner which gives soot free combustion and
oxygen free exo-gas even under sub-stoichiometric conditions.
Burner is ignited by spark plug and flame is continuously
monitored by UV-flame scanner. |
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Fuel supply to burner stops automatically and gas generator
shuts down safely giving audio-visual alarm due to any problem
like-low combustion air pressure, flame failure, low water
flow or low fuel pressure. |
