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Learn Morewater into the boiler. Assume ideal processes; find per kg of steam the net work and the cycle efficiency. OR 2. A steam turbine consumes 9 kg/kW -hr when steam is supplied at a pressure f 10 bar and at 400 0. The exhaust takes place at 0.1 bar 3.
Get a quoteThe boiler produces 8 kg/s of steam at 40 bar and 500oC. This is expanded to 2 bar with an isentropic efficiency of 0.88. The pump is supplied with feed water at 0.5 bar and 30oC and delivers it to the boiler at 31oC and 40 bar. Calculate the net power output of
Get a quote1) 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 a quote2014/4/29 · Rotary or spinning cup jet boiler fuel oil atomizers. Figure below shows the arrangement in principle. It consists of a motor driven fan, metering pump and fuel cup. The fuel cup which rotates at 70 to 100 rev/second is supplied with oil at low pressure (1.7 to 4.5 bar) from the metering pump which is used to control the throughput.
Get a quote2015/3/17 · 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 a quote2021/2/12 · Therefore Total air = (1 + 25.78/100) X 5.5 = 6.92 kg of air per kg of fuel burnt 4-A Coal fired boiler having total heating surface area 5200 M2 produces 18 kg of steam per square meter per hour of heating surface, then calculate the Boiler capacity in TPH
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Get a quoteI have a boiler operating at 5bar and produces saturated steam. From steam tables, the temperature is 151.9 degrees Celcius.I am going to send you a …
Get a quote2021/2/12 · Therefore Total air = (1 + 25.78/100) X 5.5 = 6.92 kg of air per kg of fuel burnt 4-A Coal fired boiler having total heating surface area 5200 M2 produces 18 kg of steam per square meter per hour of heating surface, then calculate the Boiler capacity in TPH
Get a quoteClarification: Steam production rate in case of Simple Vertical boiler does not exceed 2500 kg/hr. The pressure of the steam produces is also limited to 7.5 to 10 bar. 3. In a Simple Vertical boiler, two cross tubes are provided with the fire box. Which of the
Get a quote64. A boiler generates 5 TPH of steam at an efficiency of 78 %. The enthalpy added to steam in the boiler is 580 kcal/kg. The fuel consumption with a GCV of 4200 kcal/kg is a) 885 kg/hr b) 985 kg/hr c) 1038 kg/hr d) 1200kg
Get a quoteBoiler 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
Get a quoteQuestion: 1. A coal plant runs on a re-heat rankine cycle with two sets of turbines and a reheater. The boiler produces 4.6x10 kg/hr of steam at 640 C and 24MPa. It is expanded to 1MPa through the first turbine before being re-heated to 640 C and expanded to
Get a quoteDownload Solution PDF. A boiler produces 1000 kg/hr steam with rise in enthalpy of steam of 2500 kJ/kg. The calorific value of coal used is 30000 kJ/kg and its consumption is 100 kg/hr. What would be the boiler efficiency? This question was previously asked in. SSC JE ME Previous Paper 3 (Held on: 27 Sep 2019 Evening) Download PDF Attempt Online.
Get a quote2017/9/17 · Thermodynamic assignment 2 1. Thermodynamics Assignment 02 Name: Dilshan K.M.G.L. Index Number: 150131A 2. Question 1 A steam power plant operates between a boiler pressure of 40 bar and a condenser pressure of 0.04 bar. Calculate the cycle efficiency, work ratio and specific stream consumption for I. Carnot cycle P1 = P2 = 40 bar = 4000 kPa P4 = P3 = …
Get a quoteI have a boiler operating at 5bar and produces saturated steam. From steam tables, the temperature is 151.9 degrees Celcius.I am going to send you a …
Get a quote2015/3/17 · 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 a quoteThe boiler produces 8 kg/s of steam at 40 bar and 500oC. This is expanded to 2 bar with an isentropic efficiency of 0.88. The pump is supplied with feed water at 0.5 bar and 30oC and delivers it to the boiler at 31oC and 40 bar. Calculate the net power output of
Get a quoteSteam leaves boiler at 4000C. If heating value of coal is 28,000 kJ/kg, determine coal consumption rate in kg/h. Question : A coal fired boiler with 92% efficiency produces steam at a rate of 2500 kg/h from saturated water at 1000 kPa.
Get a quoteSolving for 'C', we get. C = 30161.14 kJ/kg ≈ 30160 kJ/kg. 11. 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 of fuel.
Get a quoteNote: AT 4.8 MPa dry and saturated, h=2796.0, kJ/kg. Question: 4. A waste heat recovery boiler produces 4.8 MPa (dry saturated) steam from 104°C feed water. The boiler receives energy from 5 kg/s of 954 °C dry air. After passing through the waste heat boiler, the temperature of the air has been reduced to 343°C.
Get a quoteClarification: Steam production rate in case of Simple Vertical boiler does not exceed 2500 kg/hr. The pressure of the steam produces is also limited to 7.5 to 10 bar. 3. In a Simple Vertical boiler, two cross tubes are provided with the fire box. Which of the
Get a quoteh S (Boiler) out = m(h3 - h4) = T c S (Condenser) T h is the boiler temperature and T c is the condenser temperature The condenser produces wet steam at 50oC. Calculate the following. i. The efficiency of the plant. (43.6%) ii. The net power output. (10
Get a quoteA boiler produces 5.4 tonnes/hour of steam at a pressure of 1.5 MPa and a temperature of 350ºC. Feedwater enters at a temperature of 44.5ºC. At exit from the economizer part of the boiler the temperature is 93.5ºC. At exit from the evaporator part …
Get a quote2010/12/13 · Boiler H.P. MBH SQ. FT. EDR Lb/Hr Actual GPM Cond. Boiler H.P. MBH SQ. FT. EDR Lb/Hr Steam Cond. Actual GPM Cond. 2 66.95 280 70 0.14 52 1740.7 7280 1820 3.64 4 133.9 560 140 0.28 54 1807.65 7560 1890 3.78 6 200.85 840 210 0.42 56 8
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