Moreover the water consumption is usually determined with the blow-down brine depending on the recirculated steam and the make-up water concentration B=S m / b - m B = Blowdown b = TDS concentration m = make-up water TDS concentration r = fractional condensate return
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We can remember the following sentence: The power consumption of a 1KW electric boiler operating at full load for 1 hour is 1 degree The 1 ton electric boiler is about 07 MW which is 700 KW The power consumption of a 1 ton electric boiler operating at full load for 1 hour is 700 degrees
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· The feedwater flow rate can be calculated from steam mass flow and blowdown rate: Blowdown Mass Flow = Feedwater Mass Flow * Rate Flowwater Mass Flow - Blowdown Mass Flow; Steam Mass Flow = Feedwater Mass Flow - Feedwater Mass Flow * Blowdown Rate; Feedwater Mass Flow = Steam Mass Flow / [ 1 - Blowdown Rate]
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Formula for rough calculation of the saturated steam requirement of indirect consumers S 18 Example calculation for rough calculation of the saturated steam requirement of indirect consumers SiC [kW] 18 = 3600 [kg/h] SiC Quantity of for indirect consumers [kg/h] Q · HX
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Test Data and Measure Water and Fuel at hourly intervals Weighed quantities of fuel is fed to the during the trial period Simultaneously note down the water level difference to generation during the trial period Blow down was avoided during the test The measured data is given below
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Understandably with gas and oil costs at $6 to $10 per million British thermal units of fuel energy value fuel can represent 30 to 50 percent of total energy budgets in plants with large thermal loads Typically fuel accounts for 80 percent of the operating costs for a gas- or oil-fired
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Use btu/hr (British thermal units/hour) heat input rate to calculate boiler steam flow It takes 97028 btu/hr to produce 1 pound of steam at the above conditions If 50 million btu/hr are being applied to the boiler divide by the 97028-btu/lb to yield 51531-lb/hr steam flow This is an average industrial boiler
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· The basis of calculating is kg of fuel / kg of produced The measurement of kg of wood has been discussed above by our learned friends so very correctly It is now the measurement of kg of that you produce that need to be measured If you have a flow meter then it is simply a quick read off
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The following are the fuel calculation formulas for saturated steam boiler and superheated steam boiler For saturated steam boilers Bj = B (1-q4/100) Bj - Calculate fuel consumption kg/h B-Fuel consumption kg/h q4-Boiler machinery incomplete combustion loss% B = 100Q/(Qdw*) B-Fuel consumption kg/h Q-Boiler effective utilization of heat kj/h
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[Steam Property Calculator] => Specific Enthalpy = 14742 btu/lbm; Steam Energy Flow = Specific Enthalpy * Mass Flow [ Steam Energy Flow = 72481 = 14742 btu/lbm * 466 klb/hr] Step 2: Determine Feedwater Properties and Mass Flow The feedwater flow rate can be calculated from steam mass flow and blowdown rate:
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Use horsepower to flow horsepower is not related to mechanical horsepower It is a industry rating that predicates the amount of saturated a will generate starting with water at 212 degrees Fahrenheit and 0 pounds per square inch gauge (psig--meaning atmospheric pressure) and ending with at 212 F and 0 psig
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How ? The electric uses electric energy as the energy source uses electric resistance or electromagnetic induction to drive the heat and when the heat medium of the heats the heat medium water to a certain parameter (temperature pressure) the external output has the rated working medium ( or hot water)
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Using the Steam Property Calculator properties are determined using Pressure and the selected second parameter (Temperature Specific Enthalpy Specific Entropy or Quality) The Specific Enthalpy is then multiplied by the Mass Flow to get the Energy Flow: Pressure = 5701 psig Temperature = 4660 °C
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To do so we divide the BTU/hour by a constant of 33475 This constant represents water being converted to steam which is 345 pounds of water multiplied by 9703 BTU/lb or latent energy For this calculation you will enter the BTU/hr of your operation along with the efficiency of your boiler
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and Blowdown Pressure are the same Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the as a saturated liquid at pressure
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· For a boiler generating steam at m kg/h at some pressure p and temperature T the heat supplied for steam generation = m x (h h w) where h is the enthalpy of final steam generated and h w is enthalpy of feedwater Enthalpy of final steam shall be:
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efficiency | CFB power plant Efficiency : a complete guide efficiency is a quantity that indicates the relationship between input energy entering the with output energy produced by the KTH2003-10-30 · 1 /water diagrams used in Temperature-heat (T-Q) diagram The T-Q diagram is a
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What is the fuel consumption of a 10000#/hr steam boiler using diesel as fuel (VHI = 130000 BTU/gal) with a feedwater temperature of 154 °F? FC = [ SP * (hs hw) / (BE * VHI) ] FC = [ SP * (hs hw) / (BE * VHI) ] Read More; How to Calculate Gas Consumption in a Gas Boiler Burner?
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Capacity The capacity of the boiler is 4000kg/hr Converting to Tons/day 4000 x 24/1000 = 96Tons/day There are 2 boilers then total = 96 x 2 = 192Tons/day Example calculation So total steam generated is 192 Tons/day Data shows condensate return as 25% of
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