Space Occupied —The space required for the boilers in a plant often exceeds the requirements for the remainder of the plant equipment. Any saving of space in a boiler room will be a large factor in reducing the cost of real estate and of the building. Even when the boiler plant is comparatively small, the saving in space frequently will amount to a considerable percentage of the cost of the

Learn MoreFeb 27, 2019 · Boiler Formulas – debcoequipment.com Boiler Formulas: Common Conversion Factors. Boiler HP x 34.5 … 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. Feet of Equivalent Direct Radiation (EDR) = Sq. Feet of Equivalent Direct Radiation (EDR) …

Learn Morewater tubes in a simple vertical boiler are horizontal vertical inclined none of these Answer Explanation Answer is: inclined used in producing the steam to the heat liberated in the furnace, is known as equivalent evaporation factor of evaporation 160) Learn More

Learn More10. The rated boiler horsepower of a fire tube boiler is 500 hp. What is the heating surface area of the boiler? 11. A water tube boiler has a heating surface area of 500 m2. For a developed boiler hp of 825. Determine the percent rating of the boiler. Font Size he factor of evaporation of a boiler is 1.1 and a steam rate of 0.79 kg/s. Learn More

Learn MoreA model report format of the boiler efficiency is shown in Table 4 where all the input details can be fed to computer, like fuel analysis, calorific value, steam pressure, enthalpy, % CO2, TDS etc. Subsequently the boiler efficiency and the indirect losses are calculated and displayed.

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Learn MoreJun 23, 2017 · Equivalent evaporation actually indicates the amount of heat added in the boiler for steam generation. Equivalent evaporation refers to the quantity of dry saturated steam generated per unit of time from feedwater at 100°C to steam at 100°C at the …

Learn MoreA model report format of the boiler efficiency is shown in Table 4 where all the input details can be fed to computer, like fuel analysis, calorific value, steam pressure, enthalpy, % CO2, TDS etc. Subsequently the boiler efficiency and the indirect losses are calculated and displayed.

Learn MoreNov 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

Learn MoreFactor of Evaporation: FE = SH + LH / 970.3: SH: Sensible Heat: FE = ((338 – 225) + 881) / 970.3: LH: Latent Heat: FE = 1.02: 970.3: Latent Heat of Evaporation of Water at 212°F (constant)

Learn MoreS = 105 – 80. P2. Cut-in Pressure Delta. 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; 2. BOILERS - Bureau of Energy Efficiency. 2.

Learn MoreHow to calculate steam boiler capacity?-ZBG Boiler. 28/7/2016 · 2.) rated boiler horsepower (BHP- One bhp is the evaporation of 34.5 pounds (= 15.648 kg) of water per hour from a temperature of 212oF (=100oC) into dry saturated steam at the same temperature.

Learn MoreS = 105 – 80. P2. Cut-in Pressure Delta. 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; 2. BOILERS - Bureau of Energy Efficiency. 2.

Learn MoreSpace Occupied —The space required for the boilers in a plant often exceeds the requirements for the remainder of the plant equipment. Any saving of space in a boiler room will be a large factor in reducing the cost of real estate and of the building. Even when the boiler plant is comparatively small, the saving in space frequently will amount to a considerable percentage of the cost of the

Learn MoreThus factor of evaporation may also be defined as ratio of Equivalent Evaporation to actual Evaporation. 24.7.3 Boiler efficiency It is the ratio of heat actually utilized in generation of steam in a given period to the heat supplied by fuel in the same period or it is the ratio of heat utilized in generation of a given quantity of steam to the

Learn MoreFor example, if a boiler operated at 150 psig (1.03 MPa) uses feedwater of suitable quality for use in a 1001-1500 psig (6.9-10.34 MPa) boiler, then the boiler water limits and chemical treatment program should be based on the higher pres sure guidelines.

Learn MoreFactor 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

Learn MoreMay 25, 2016 · Control limits depend on the feedwater chemistry, specific treatment chemicals used, and other factors. However, the boiler feedwater pH is generally between 9.0 and 9.6 and hardness as calcium carbonate is less than 0.5 ppm. The boiler water pH is …

Learn MoreJan 16, 2018 · Boiler pH should be kept between 10.5 and 12.5. Below 10.5, there is insufficient protection from corrosion and hardness compounds are not precipitated in the desired, free-flowing form. Above. 12.5 there is the possibility of caustic embrittlement and carryover. Condensate pH should be kept between 8.0 and 8.6.

Learn MoreMay 25, 2016 · Control limits depend on the feedwater chemistry, specific treatment chemicals used, and other factors. However, the boiler feedwater pH is generally between 9.0 and 9.6 and hardness as calcium carbonate is less than 0.5 ppm. The boiler water pH is …

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