Boiler Horsepower What is the boiler horsepower of a boiler generating 21,500 lbs of steam per hour at 155 psi? The factor of evaporation is 1.08. BHP = Cycle of Concentration of Boiler Water What is the cycle of concentration if the chloride content of boiler water is

Read More2020/5/12 · 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.

Read More2006/11/3 · The factor of evaporation is 1.08. BHP = (LB/HR*fe)/34.5 BHP = (LB/HR*fe)/34.5 BHP = 21500 * 1.08 / 34.5 BHP = 673 Where, BHP boiler horsepower Lb/Hr pounds per hour Fe factor of evaporation (can be assumed to be equal to 1) CYCLE OF

Read MoreIn the table of " Factors of Evaporation, " the factor corresponding to a steam temperature of 302° and a feed temperature of 158° (which are the numbers in the table nearest to the given ones), is 1.09. Now this engine requires an evaporation of 6 times 79, or 474 pounds of water per hour, at a pressure of 50 pounds, or an equivalent

Read MoreMCQs: A boiler generates steam at 12.5 bar pressure. Temperature of the feed water is 35 C. Determine the factor of evaporation if the dryness fraction of the steam is 0.85. - (A) 1.32 - (B) 0.85 Following observations were made after the trial of a boiler for 24 hours.

Read MoreSelected questions Chapter 4.1: Boiler Short type questions 1. In the absence of steam flow meter, suggest a method by which steam quantity can be assessed in a boiler. Ans. The feed water flow into the boiler can be used as an effective tool to quantify

Read MoreWhat 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 m2? 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

Read MoreSelected questions Chapter 4.1: Boiler Short type questions 1. In the absence of steam flow meter, suggest a method by which steam quantity can be assessed in a boiler. Ans. The feed water flow into the boiler can be used as an effective tool to quantify

Read MoreWhat are boiler efficiency and boiler evaporation ratio Liming 17:02:08 Many customers do not know what the boiler thermal efficiency and evaporation ratio mean, here, we explain the question in detail. a. It is the ratio of heat output to heat input of the boiler.

Read More2020/12/18 · 1 Answer to A boiler generates 8 kg of steam per kg of fuel burnt at a pressure of 12 bar from feed water entering at 80 C. The boiler is 75% efficient and its factor of evaporation is 1.15. Calculate (a) Degree of superheat and temperature of steam

Read More2021/1/28 · 1 Answer to A boiler generates 7.5 kg of steam per kg of coal burnt at a pressure of 11 bar. The feed water temperature is 70 C; boiler efficiency is 75%; factor of evaporation is 1.15; C p = 2.1 kJ/kgK. Calculate:  

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