Hot air is required for many applications in industries esp. for drying purpose. In some applications hot air is circulated in closed circuit and in some, ambient air is heated and supplied. Fuel used for heat source can be any liquid or gas fuel depending upon the availability and economics.
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Industry
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Applications
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Automobile/ White goods
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Water dry off oven in painting/ coating systems
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Paint dry off oven
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Powder coating oven
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Process Industries
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For various driers such as spray drier, fludised bed drier etc.
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Food industries
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For drying of grains
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Parameter
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Value
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Type
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Direct/ Indirect fired
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Application
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Closed loop/ once through type
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Capacity
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Upto 20,00,000 Kcal/ hr
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Temperature
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Upto 600 Deg.C
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Fuel
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HSD, LDO, FO, LSHS, LPG etc.
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Burner control
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Modulating, On/ Off, Hi- Lo
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Scope
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Heater, burner, fan, controls etc.
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