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re WHR Boiler Efficiency calculation - Page 2 of 2

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θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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    pressure of not less than the safety valve setting of the boiler but never less than 100 PSI. (B31.1 Para. 122.1.2). 2. Each Boiler must be fitted with a steam stop valve located at an accessible point in the steam-delivery line and as near the boiler nozzle outlet as is convenient and practical. (B31.1 Para. 122.1.7). A checkGet Price

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    5-1 5.1 Introduction 5-1 5.2 Energy Impact of Controls for Coal-Fired Boilers 5-4 5.2.1 Sample Calculations 5-17 Calculate Raw Material Handling and Preparation 5-20 Calculate Liquid Pumping Energy 5-20 Calculate Fan Energy 5-21 Calculate Waste Disposal Requirements 5-22 Calculate Utilities and Services 5 Get Price

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    Dec 14, 2010 · Running at 75% rating will push this cost up to £80/kW. For 13kW of radiators (from your boiler size figure), this will cost £260 extra for something like 3%* improvement in boiler efficiency. Spread this over 10 years and your gas bills would need to average over £800/year to make a saving (keeping in mind that gas prices are rising).Get Price

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    re WHR Boiler Efficiency calculation. Let's assume this flue gas composition in %vol: {O2 = 5.17%, N2 = 64.18%, CO2 = 28.75%, H2O = 1.85%, SO2 = 0.05%} For this composition, I get the average specific heat between 240°C and 400°C: Cp(400°C,240°C) = 0.265 kJ/kg/°C. Compared to your assumption that Cp=0.24, this is a factor 0.265/0.24 = 110% higher.Get Price

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    PHASE III 1 x 500TPD sponge iron kiln 53.2 TPH WHR Boiler January 2005 PHASE IV 1 x 500TPD sponge iron kiln 53.2 TPH WHR boiler April 2007 The project proposes to generate a total of 25 MW from waste heat (equivalent to 133632MWh/annum) and hence directly reduce around 134471.55 tonnes of CO2 equivalent emissions per annum.Get Price

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    Using the example from the table above with the following assumed operating conditions: Steam Operating Pressure = 100 PSIG Feedwater Temperature = 212°F Fuel Fired = #2 Oil having a HHV of 140,000 BTU/Gal. Fuel Cost = 3.58/Gal. Boiler Efficiency = 81.5% Steam Capacity = 21,165 Lb/Hr. [21,369 MBH ÷ (1,189.7 BTU/Lb.Get Price

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