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Mechanical Engineering Q&A Library Find the rated boiler horsepower, heat added to the boiler, factor of evaporation, developed horsepower, and percentage boiler rating for a water-tube boiler with the following specifications: Heating surface: 18,000 ft². Steam produced by boiler: 75,000 Ib/hr. Pressure: 150 psia. Heat contained in 150 psia steam: 1,194.1 Btu/lb Feed-water …
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Evaporation, frequently termed as thecapacity of boiler, is the amount of steam, expressedin kg or tonne which it can raise per hour at fullload. Additionally, what is equivalent evaporation? Definition of equivalent evaporation . : the ratein pounds per hour at which water would be vaporized in a givensteam boiler if supplied and evaporated at
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A boiler is fired with fuel having calorific value 30000 kJ/kg. It produces steam at 5 bar. The dryness fraction of the steam generated 0.85. The efficiency of the boiler is 77% and the evaporative e capacity of the boiler is 10 kg of steam per kg …
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The factor of evaporation for all boilers is always greater than unity. B. The amount of water evaporated in kg per kg of fuel burnt is called equivalent evaporation from and at 100° C. C. The ratio of heat actually used in producing the steam to the heat liberated in the furnace is called boiler efficiency. D. None of the above
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Mechanical Engineering Q&A Library Find the rated boiler horsepower, heat added to the boiler, factor of evaporation, developed horsepower, and percentage boiler rating for a water-tube boiler with the following specifications: Heating surface: 18,000 ft². Steam produced by boiler: 75,000 Ib/hr. Pressure: 150 psia. Heat contained in 150 psia steam: 1,194.1 Btu/lb Feed-water …
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In cases where other kinds of oxygen binding agents are used, it is recommended that an excess of oxygen binding agents can be measured and indicates that no oxygen has been dissolved in the boiler water. If it is requested to measure the content of dissolved oxygen directly, it is recommended to keep the value < 0.02 ppm.
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Nov 03, 2006 · FACTOR OF EVAPORATION Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler water temperature is 338°F. The latent heat is 881 Btu. What is the factor of evaporation? FE = SH + LH / 970.3 FE = SH + LH / 970.3 FE = ((338 - 225) + 881) / 970.3 FE = 1.02 Where, FE factor of evaporation SH sensible heat LH latent heat
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S = 25. Factor of Evaporation. Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler water temperature is 338°F. The latent heat is 881 Btu. Read More [Solved] The equivalent evaporation (kg/hr) of a boiler producing 200. 2006/11/3 · FACTOR OF EVAPORATION Water enters the boiler at 225 F. The boiler pressure is 100
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Value of evaporation ratio for different types of boiler is listed as-a) Coal fired boiler- 4.0-6.0. b) Oil fired boiler- 13.0-14.5 . c) Gas fired boiler- 11.0-13. More information about the questions of boiler, such as boiler capacity, how to calculate boiler price and cost, etc., please Email [email protected] or Call 86-371-86062323.
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37. What is the rate of evaporation of a water tube boiler if the factor of evaporation is 1.10, percent rating of 200% and the heating surface area is 250 m 2? Answer: A A. 7,817.16 kg/hr B. 7,898.67 kg/hr C. 6,789.45 kg/hr D. 5,768.54 kg/hr 38. An oil-fired steam boiler generates 13,000 lb of steam per hour at 300 psia, 650 ºF when the fuel is burned at 120 gallons per hour.
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Evaporation, frequently termed as thecapacity of boiler, is the amount of steam, expressedin kg or tonne which it can raise per hour at fullload. Additionally, what is equivalent evaporation? Definition of equivalent evaporation . : the ratein pounds per hour at which water would be vaporized in a givensteam boiler if supplied and evaporated at
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Improving the standards of boiler control, i.e. by ensuring optimum combustion and following a regular and thorough maintenance program, are the most important single factors by which the efficiency of a boiler can be improved. Authors: Venter, J S.M. Publication Date: Sat Nov 01 00:00:00 EST 1980. Research Org.
Get priceMar 17, 2015 · Steam, Boiler, 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 boiler as a saturated liquid at boiler pressure.
Get priceGas oil hot water boiler-Henan Yuanda Boiler Co., Ltd. WNS oil/gas hot water boiler is packaged 3-pass wet back fire tube boiler, for central heating or improve water temperature.This boilers is fully automatic, designed to operate on a wide range of liquid and gaseous fuels like heavy oil, light oil, gas, and dual fuel options.
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24.8.1 A boiler evaporates 3.6 kg of water per kg of coal burnt into dry saturated steam at 10 bar pressure .The temperature of feed water is 32 o C. Find the equivalent evaporation from and at 100 o C as well as factor of evaporation.
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S = 25. Factor of Evaporation. Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler water temperature is 338°F. The latent heat is 881 Btu. Read More [Solved] The equivalent evaporation (kg/hr) of a boiler producing 200. 2006/11/3 · FACTOR OF EVAPORATION Water enters the boiler at 225 F. The boiler pressure is 100
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directly from a boiler or from a previous stage of evaporation in another evaporator. Major objections to other forms of heating, such as direct firing or electric resistance heaters, arise because of the need to avoid local high temperatures and because of the high costs in …
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The equivalent evaporation (kg/hr) of a boiler producing 2000 kg/hr of steam with enthalpy content of 2426 kJ/kg from feed water at temp. 40°C (liquid enthalpy = 168 kJ/kg; enthalpy of vaporisation of water at 100°C = 2258 kJ/kg is: This question was previously asked in.
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If a boiler has a factor of evaporation of 1.075 and its actual flow rate is 220 kg/min, calculate the equivalent evaporation in kg/hr. A. 32871 kg/hr B. 13200 kg/hr C. 12279 kg/hr D. 236.5 kg/hr E. 14190 kg/hr Answer: E
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Therefore, the equivalent evaporation of a boiler, from and at 1000C is: ms(h2 – h1) kg in the given time or per kilogram of fuel 2256.9 QUESTION 1.1 A boiler with super heater generates 6000 kg/h of steam at a pressure of 15 bar, 0.98 dry at exit from boiler and at a temperature of 300oC on leaving the super heater. If the feed
Get priceGas oil hot water boiler-Henan Yuanda Boiler Co., Ltd. WNS oil/gas hot water boiler is packaged 3-pass wet back fire tube boiler, for central heating or improve water temperature.This boilers is fully automatic, designed to operate on a wide range of liquid and gaseous fuels like heavy oil, light oil, gas, and dual fuel options.
Get priceGas oil hot water boiler-Henan Yuanda Boiler Co., Ltd. WNS oil/gas hot water boiler is packaged 3-pass wet back fire tube boiler, for central heating or improve water temperature.This boilers is fully automatic, designed to operate on a wide range of liquid and gaseous fuels like heavy oil, light oil, gas, and dual fuel options.
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Mechanical Engineering Q&A Library Find the rated boiler horsepower, heat added to the boiler, factor of evaporation, developed horsepower, and percentage boiler rating for a water-tube boiler with the following specifications: Heating surface: 18,000 ft². Steam produced by boiler: 75,000 Ib/hr. Pressure: 150 psia. Heat contained in 150 psia steam: 1,194.1 Btu/lb Feed-water …
Get priceThe factor of evaporation is 1.08. BHP = °F = (1.8 * 30) + 32 °F = 86. Total Force. What is the total force of 120 psi acting on 4 sq.steam boiler agent cr1 15 from greece - zozen boiler groupLiming · Mar 15, 2016 60 Tons/hr, 45 Bar Gas Fired Boiler.
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Johnston Boiler Company Boiler Glossary
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Mar 04, 2019 · Boiler Formulas – debcoequipment.com Boiler Formulas: Common Conversion Factors. Boiler HP x 34.5 Boiler HP x.069 Boiler HP x 33.4 Boiler HP x 139 BTU/Hour Output ч 240 EDR/1000 x 0.5 Lbs of Steam /Hr ч 500 = Lbs. of Steam per Hour = Evaporation Rate Gallons per Minute (GPM) = MBTU per Hour Output (MBH) = Sq.
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The project boiler is a once-through boiler with a rated capacity of 7 ton/hour per unit or less (equivalent evaporation) Criterion 2 Periodical check and maintenance by the manufacturer of boiler or authorized agent is implemented at least once a year. E. Emission Sources and GHG types Reference emissions Emission sources GHG types
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May 12, 2020 · If the boiler contains an economiser & superheater is considered a single unit, then the efficiency is termed as the overall efficiency of the boiler. Boiler Power . The American Society of Mechanical Engineers (ASME) has recommended that one boiler horsepower is equivalent to evaporation of 15653 kg of water per hour from and at 100° C.
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S = 25. Factor of Evaporation. Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler water temperature is 338°F. The latent heat is 881 Btu. Read More [Solved] The equivalent evaporation (kg/hr) of a boiler producing 200. 2006/11/3 · FACTOR OF EVAPORATION Water enters the boiler at 225 F. The boiler pressure is 100
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The meaning of equivalent evaporation is the rate in pounds per hour at which water would be vaporized in a given steam boiler if supplied and evaporated at the normal boiling point and normal atmospheric pressure.
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boiler. 1. Generation of steam is much quicker due to small. ratio of water content to steam content. This also helps. in reaching the steaming temperature in short time. 2. Its evaporative
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Evaporation, frequently termed as thecapacity of boiler, is the amount of steam, expressedin kg or tonne which it can raise per hour at fullload. Additionally, what is equivalent evaporation? Definition of equivalent evaporation . : the ratein pounds per hour at which water would be vaporized in a givensteam boiler if supplied and evaporated at
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Oct 23, 2018 · This video explains how to find out boiler efficiency and equivalent evaporation.This question we have from Thermodynamics May 2018 question paper of Savitri
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released from combustion of heat and oxidizing agent heat up water in the coils. This is the point Equivalent evaporation ℎ = 3.94 𝑘𝑘𝑘𝑘/ℎ Factor of evaporation 0.864 …
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Factor of evaporation It is defined as the ratio of the heat received by 1 kg of water at the working conditions to that received by 1 kg of water evaporated from and at 1000C. Fe = (h hf)/2257 KJ Boiler efficiency Ratio of heat actually utilized in the generator to the heat supplied by the fuel. Efficiency= ma(h-hf)/C Where C is the calorific
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Value of evaporation ratio for different types of boiler is listed as-a) Coal fired boiler- 4.0-6.0. b) Oil fired boiler- 13.0-14.5 . c) Gas fired boiler- 11.0-13. More information about the questions of boiler, such as boiler capacity, how to calculate boiler price and cost, etc., please Email [email protected] or Call 86-371-86062323.
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Pressure 1 kcal/h. = 3,968 Btu/h. 1 Boiler HP. = 9,81 kW. 1 Boiler HP. = 15,65 kg steam /h. 300 MMBtu/hr and 85% efficient (Boiler # 1), and 1 medium size 60 MMBtu/hr boiler burning other gases and generating 50,000 lb/hr steam and 75% efficient ( Boiler # 2) and using enthalpy conversion factor of … GET A QUOTE
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information for spare parts, chemical agents, oils, etc. ∗2 Equivalent evaporation: An index of boiler capacity. Equivalent evaporation indicates the amount of evaporation that occurs when water at 100°C is converted into steam at 100°C. ∗2 At a boiler load factor of 40%
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Mar 04, 2019 · Boiler Formulas – debcoequipment.com Boiler Formulas: Common Conversion Factors. Boiler HP x 34.5 Boiler HP x.069 Boiler HP x 33.4 Boiler HP x 139 BTU/Hour Output ч 240 EDR/1000 x 0.5 Lbs of Steam /Hr ч 500 = Lbs. of Steam per Hour = Evaporation Rate Gallons per Minute (GPM) = MBTU per Hour Output (MBH) = Sq.
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6. A water tube boiler has a capacity of 1000 kg/hr of steam. The factor of evaporation is 1.3, boiler rating is 200%, boiler efficiency is 65%, heating surface area is 0.91 m 2 per Bo. Hp, and the heating value of fuel is 18,400 kCal/kg. The total coal available in the bunker is 50,000 kg.
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