energy auditing in furnaces

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Energy Auditing in Furnaces Industrial Energy Audit Program improves energy efficiency for: Thermal Oxidizers, Furnaces, Ovens, Heat Exchangers, Boilers & Air Handling

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  • 1- .2- .3-

  • 1- (heat treatment furnace)2- melting furnace) ) - -

  • .

  • ( (

  • : .

    - - ( ) - - - ( ) -

  • .m=21/(21-O2%)m=A/A0m=Co2(max)/Co2% : - - 1- 2- 3- 4-

  • 1.1 1.1.1- ()

    () 1.9 - 4.91.1- 1.33.5 - 6 1.2- 1.4 4.9 - 71.3 - 1.5

  • :

  • ) :Temperature and Recovered Heat AmountPreheated AirTemperature and Fuel Economy Rate heavy oil combustion ( )

  • 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

  • .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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