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  • Steam Calculators: Boiler Calculator - Energy

    Mar 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 Price

  • Engineering Thermodynamics: Problems and Solutions, Chapter-9

    Kefid [food-550kPa] A large food processing plant requires 3.5 kg/s of saturated or slightly superheated steam at 550 kPa, which is extracted from the turbine of a cogeneration plant. The boiler generates steam at 7 MPa, 540 o C at a rate of 9 kg/s, and the condenser pressure is 14 kPa. Steam leaves the process heater as saturated liquid.Get Price

  • SATURATED STEAM TABLES - Byworth Boilers

    Online calculator with Saturated Steam Table by Pressure. Includes 53 different calculations. Equations displayed for easy reference.Get Price

  • Solved A natural gas fueled boiler is used to produce

    A natural gas fueled boiler is used to produce saturated steam at 5 bar pressure. Water enters the boiler at 70 ̊C at a rate of 58 L/min. It is measured that 500 m3 natural gas entering at 25 ̊C and 101 kPa are consumed during a two-hour test. Calculate the efficiency of the boiler based on the lower and higher heating values of natural gas.Get Price

  • steam boilers 25 bar Agent in honduras

    coal cfb boiler Agent how they work. Steam Boiler - Coal Fired Boiler, Biomass Boiler, Pressure . Aug 02, 2017 · Our agent placed an order for coal fired steam boiler in December 2016, 2017, and the coal fired steam boiler model is DZL6-1.25-AII, its evaporation capacity is 6tons/h, its steam pressure is 1.25MPa and steam temperature is 193℃.Get Price

  • Steam Calculators: Boiler Calculator - Energy

    Mar 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 Price

  • Steam-Plant-Accessories-and-Boilers.pdf - I ' I PRIME

    A straight-tube boiler with an effective heating surface of 1,496 m 2 produces steam at the rate of 3.9 Mton/hr. Feedwater enters at 95°C and steam leaves at 4.5 MPa, 320°C. If bunker fuel with heating value of 42,500 kJ/kg is consumed at the rate of 1,700 kg/hr, determine the equivalent specific evaporation.Get Price

  • Superheated Steam and Steam Phase Diagram - Electrical4U

    Feb 24, 2012 · Superheated Steam When saturated steam generated in steam boiler is further passed through a heat transfer surfaces, then its temperature will starts increasing above evaporation or saturation. Steam is described as super heated, if its temperature is more than that of its saturation temperature. Degree of super-heat is directly related…Get Price

  • suitable materials for stay bar of boilers – Industrial

    Feb 22, 2019 · The secondary drum also acts as a steam receiver for the exhaust gas boiler.Typical pressures are 63 bar for the primary circuit and 23.5 for the secondary. THE MANAGEMENT OF STEAM LOCOMOTIVE – UK Government Web Archive THE MANAGEMENT OF STEAM LOCOMOTIVE BOILERS Railway Safety Publication 6 1.Get Price

  • Homework 1: Principle of Energy Balance

    Problem 3) Steam produced in a boiler is frequently "wet", that is, it is a mist composed of saturated water vapor and entrained liquid droplets. The quality of a wet steam is defined as the fraction of the mixture by mass that is vapor. A wet steam at a pressure of 5.0 bar with a qualityGet Price

  • 1143 Boiler efficiency This is the ratio of heat actually

    The boiler evaporates 3200 kg of water at 44.5 o C into superheated steam at a pressure of 12 bar and 274.5 o C. If the calorific value of the fuel is 32760 kJ/kg, determine (a) equivalent evaporation "from and at 100 o C"; (b) the thermal efficiency of the boiler.Get Price

  • Engineering Thermodynamics: Problems and Solutions, Chapter-9

    Kefid [food-550kPa] A large food processing plant requires 3.5 kg/s of saturated or slightly superheated steam at 550 kPa, which is extracted from the turbine of a cogeneration plant. The boiler generates steam at 7 MPa, 540 o C at a rate of 9 kg/s, and the condenser pressure is 14 kPa. Steam leaves the process heater as saturated liquid.Get Price

  • Worded Problems Thermodynamics - Mechanical engineering

    Steam enters the superheaters of a boiler at a pressure of 25 bar and dryness of 0 and leaves at the same pressure at a temperature of 370°C. Calculate the heat energy supplied in the superheaters. Properties of steam: At 25 bar and 370°C ( h= 3,171 kJ/kg ) and at 25 bar and o dryness (h= 962 kJ/kg, h= 1,841 kJ/kg ). a. 2 c. 3. b. 5 d. 1. 80.Get Price

  • Steam Dryness Fraction - Electrical4U

    Feb 24, 2012 · What is Dryness Fraction? Steam is said to be dry saturated when at that particular pressure its temperature is equal to the boiling point. It is difficult to produce dry saturated steam in practice and steam will often contains water droplets. So steam generated in the drum of the boiler is often wet and contains some moisture. If the moisture content of the steam is 7% by …Get Price

  • saturated steam at 5 bar boiler Agent - grebalowska.pl

    1) 1 bar abs = 0 bar gauge = 100 kPa abs = atmospheric pressure Vacuum steam is the general Get Price

  • Steam and Condensate - What is Steam and the properties of

    Steam produced in any shell-type boiler, where the heat is supplied only to the water and where the steam remains in contact with the water surface, may typically contain around 5% water by mass. If the water content of the steam is 5‰ by mass, then the steam is said to be 95% dry and has a dryness fraction of 0.95.Get Price

  • Slide 1

    The high pressure, high temperature steam leaving the boiler expands in the turbine to produce shaft work. The steam leaving the turbine condenses into water in the condenser, rejecting heat and then water is pumped back to the boiler. Consider 1kg of saturated steam at pressure p. 1 and absolute temperature T 1, as represented by point 1. The Get Price

  • Solved A boiler is used to generate steam. Water enters

    A boiler is used to generate steam. Water enters the boiler, saturated at 10 °C at 363 kg/hr. Superheated steam exits at 5 bar. The energy input of the boiler is 338 KW. Determine the outlet temperature of the steam, in °C. Neglect kinetic and potential energy changes. Report your answer up to 2 decimal points.Get Price

  • Temperature for 2 bar steam pressure on Profitec Pro 700

    Apr 04, 2020 · 248F, though, would not be a PID setting in a Profitec steam boiler.. just from my experience.. (not considering the physics).. 'cause setting my boiler PID (2Liter) to 248F gives a steam pressure of about 1 bar in my situation.. at 258F, I'm up to almost 1.5 bar. There must be something more at work.Get Price

  • Slide 1

    The high pressure, high temperature steam leaving the boiler expands in the turbine to produce shaft work. The steam leaving the turbine condenses into water in the condenser, rejecting heat and then water is pumped back to the boiler. Consider 1kg of saturated steam at pressure p. 1 and absolute temperature T 1, as represented by point 1. The Get Price

  • saturated steam at 5 bar boiler Agent - grebalowska.pl

    Saturated steam at an absolute pressure of 5 bar is used to heat a stream of dry air. Alr enters a heat exchanger at 0 °C and an absolute pressure of 1 bar and at a rate of 1000 mol/min, It is the hosted at constant pressure to 100 °C. The steam condenses and leaves the exchanger as a saturated …. Read more.Get Price

  • Solved Problems: Steam Power Cycle - BrainKart

    1) p = 39.776 bar. 2) m = 9.574 kg. 3) v = 0.00418 m3 / kg. 4) h = 1188.67 KJ / kg. 5) S = 2.99 KJ /kg K. 6) ΔU= 1172 KJ / kg. 2). A steam power plant uses steam at boiler pressure of 150 bar and temperature of 550°C with reheat at 40 bar and 550 °C at condenser pressure of 0.1 bar. Find the quality of steam at turbine exhaust, cycle Get Price