energy auditing in furnaces
DESCRIPTION
Energy Auditing in Furnaces Industrial Energy Audit Program improves energy efficiency for: Thermal Oxidizers, Furnaces, Ovens, Heat Exchangers, Boilers & Air HandlingTRANSCRIPT
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1- .2- .3-
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1- (heat treatment furnace)2- melting furnace) ) - -
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.m=21/(21-O2%)m=A/A0m=Co2(max)/Co2% : - - 1- 2- 3- 4-
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1.1 1.1.1- ()
() 1.9 - 4.91.1- 1.33.5 - 6 1.2- 1.4 4.9 - 71.3 - 1.5
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) :Temperature and Recovered Heat AmountPreheated AirTemperature and Fuel Economy Rate heavy oil combustion ( )
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P1
P22.1 --There is a decrease in the sensible heat of the exhaust gas2.2 --There is a drop in the preheated air temperature due to
1.1-- An increase in the exhaust gas volume and a drop in the combustion gas temperature occurs.1.2-- There is an Increase of NOx generation1.3-- Turbulence occurs in the gas flow which makes a uniform temperature distribution in the furnace1- P1P2Slide 32Ph=((20*h^2/H^2)-h)*12.9
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.Qr=[Kj]Ts=furnace gas temp [k]Tw=outdoor temp[k]A=area of opening[m2]T=time of opening[Hr]e=emisivitySlide 32
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