sample calculation question of a steam boiler

  • boiler sizing calculators | powerhouse

    Boiler Sizing Calculators | Powerhouse

    To do so, we divide the BTU/hour by a constant of 33,475. This constant represents water being converted to steam, which is 34.5 pounds of water multiplied by 970.3 BTU/lb, or latent energy. For this calculation, you will enter the BTU/hr of your operation along with the efficiency of your boiler.

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  • steam boiler capacity calculation--zozen

    Steam Boiler Capacity Calculation--Zozen

    W = boiler capacity (Btu/h) hg = enthalpy steam (Btu/lb) hf = enthalpy condensate (Btu/lb) m = steam evaporated (lb/h) Calculate the boiler capacity for example: Boiler capacity = Burner capacity * efficiency Example: efficiency = 95% & Burner capacity =11,110 kW. boiler capacity …

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  • sizing a steam boiler | u.s. boiler company

    Sizing a Steam Boiler | U.S. Boiler Company

    Dec 05, 2017· A better choice would be 1-1/2” or 2” of pipe insulation. An un-insulated steam main is equal to a radiator and must be calculated and added to the above calculation. When operating a steam boiler without insulation on the main steam pipes in the basement, you’ll need a larger boiler, incurring higher operating costs.

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  • sample calculation question of a steam boiler

    sample calculation question of a steam boiler

    sample calculation question of a steam boiler STEAMASTER CO.,LTD - Steam Boiler Hot oil Heater HeatSTEAMASTER CO LTD, leads in the specialized area of Industrial Heating, hot oil Heater and steam boiler, Heat Exchanger technol…

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  • calculating boiler chemical requirements – water

    Calculating Boiler Chemical Requirements – Water

    Jun 26, 2017· C. Sample Calculation. Assume boiler is operating at 10 cycles of concentration with feedwater at 205 o F. This equates to a dissolved oxygen content of 0.7 ppm or 0.5 cc per liter. Assume a feedwater demand of 500,000 lbs per day. The desired sulfite residual is 30 ppm. 1. For fixation of dissolved oxygen: 0.7 ppm x 10 ppm = 7 ppm

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  • boiler operator online practice tests 2019 - boiler

    Boiler Operator Online Practice Tests 2019 - Boiler

    Boiler Operator - 327760 Practice Tests 2019, Boiler Operator technical Practice questions, Boiler Operator tutorials practice questions and explanations.

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  • chapter 3 combustion calculation

    CHAPTER 3 COMBUSTION CALCULATION

    boiler at 300oC (all the water formed will be vapour). In addition, a substantial amount of heat is also lost through the boiler wall and other uncounted sources. Calculate the flue gas composition (both dry and wet basis) leaving a boiler. Calculate the combustion efficiency of a steam boiler

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  • boiler – fundamentals and best practices

    Boiler – Fundamentals and Best Practices

    Basic Boiler Calculations • Feedwater = Make up + Condensate Return • Feedwater Flow (FWF) = Steam Make + Blowdown(BD) • Feedwater Flow (FWF) = Steam Make + Steam Make • Cycles -1 • Blowdown = Steam make or = FWF • Cycles –1 Cycles • % Blowdown = 1 as a % of FWF • Cycles

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  • boiler interview question & answer - askpowerplant

    BOILER INTERVIEW QUESTION & ANSWER - ASKPOWERPLANT

    Nov 24, 2016· Q.(B).What do you mean by IBR steam boiler. IBR Steam Boilers means any closed vessel exceeding 22.75 liters in capacity and which is used expressively for generating steam under pressure and includes any mounting or other fitting attached to such vessel,which is wholly or partly under pressure when the steam is shut off.

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  • 51 boiler operator interview questions and answers

    51 Boiler Operator Interview Questions and Answers

    Do you have any questions for us, then plz ask? Explain the abilities you have in order to work with us as a Boiler Operator? Explain how important is safety to you? Explain what is the difference between an induced draft and forced draft? The object of producing draught in a boiler is A. to provide an adequate supply of air for the fuel combustion<br /> B. to exhaust the gases of combustion

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  • steam certification board sample test questions for

    Steam Certification Board Sample Test Questions for

    Sample Questions Steam Certification Board Steam Certification Board Sample Test Questions for Written Steam Boiler Operator Examinations The following are samples of questions for the five classes of steam boiler operator certification. These questions are not the same questions an applicant will find on an examination but only samples.

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  • appendix 1 measuring boiler efficiency

    APPENDIX 1 MEASURING BOILER EFFICIENCY

    App 1-7 HHV is the higher heating value, hg is the enthalpy in Btu/lb of water vapour at 1 psi and the flue gas temperature (FGT) in °F, and hf is the enthalpy of water at the combustion air temperature (CAT) in °F. hg can be determined from steam tables or from the equation hg, Btu/lb = 1055 + (0.467 x FGT). hf can also be determined from steam tables, or from the simple relationship

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  • analysis of boiler efficiency– case study of thermal …

    ANALYSIS OF BOILER EFFICIENCY– CASE STUDY OF THERMAL …

    Boiler is a closed vessel in which water is converted into steam by the application of heat. Usually boilers are coal or oil fired. A boiler should fulfill the following requirements (i) Safety. The boiler should be safe under operating conditions. (ii) Accessibility. The various parts of the boiler should be accessible for repair and maintenance.

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  • steam boiler quiz - proprofs quiz

    Steam Boiler Quiz - ProProfs Quiz

    Aug 26, 2020· What is a steam boiler? What are the uses of a steam boiler? What does the steam boiler compose of and how does it work? These are some of the questions whose basics are being tested in this quiz. Enjoy.

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  • steam calculators: boiler calculator

    Steam Calculators: Boiler Calculator

    Mar 17, 2015· Steam Mass Flow = Feedwater Mass Flow - Blowdown Mass Flow; Steam Mass Flow = Feedwater Mass Flow - Feedwater Mass Flow * Blowdown Rate; Feedwater Mass Flow = Steam Mass Flow / [ 1 - Blowdown Rate] Using the Steam Property Calculator, properties are determined using Deaerator Pressure and Quality = 0 (Saturated Liquid).

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  • boiler design basic steps - boiler and mechanical power

    Boiler Design Basic Steps - Boiler and Mechanical Power

    Boiler design is the process of designing boilers used for various purposes. The main function of a boiler is to heat water for steam generation. Steam produced can be used for a variety of purposes including space heating , sterilization, drying, humidification and power generation. The temperature or condition of steam required for these applications is different, so how to design a boiler …

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  • top 50 boiler information booster question answers

    Top 50 Boiler Information Booster Question Answers

    37. The primary function of a boiler is to: Ans: Produce steam. 38. Water will boil and turn to steam at 212º degrees F at atmosphere pressure.(True ) 39. Main two types of boilers are: Ans: Fire tube and water tube. 40. The three requirements for combustion are: Ans: Fuel, heat and oxygen . Top 50 boiler operator interview questions . 41.

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  • boiler operator 3rd-test 1-2 blue book - proprofs quiz

    Boiler Operator 3rd-test 1-2 Blue Book - ProProfs Quiz

    Nov 14, 2018· A boiler is operating at 400 psi, and the safety valve opens at 410 psi and closes at 398 psi. The blowdown is ____ psi.

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  • meo oral exam questions on marine boilers

    MEO Oral Exam Questions on Marine Boilers

    Oct 12, 2015· Firstly take the boiler water sample from the salinometer cock or test cock and cool down. The test is carried out by the using maker’s supply test kit, chemicals, instruments and instructions. How do you take boiler water sample ? Slowly open the salinometer cock until clean hot water coming out. Then collect the boiler sample with copper jar.

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  • boiler operation engineering questions and answers pdf

    Boiler operation engineering questions and answers pdf

    Boiler operation engineering questions and answers pdf by chattopadhyay best book I ever read. Recommended from boilers info for all boiler engineers and power plant professionals. you must read this book. almost every topic of boiler engineering is included. The book has been expanded to accommodate six more chapters: • Upgrading PC-Fired Boilers • Low …

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  • boiler test flashcards - flashcard machine - create, study

    Boiler Test Flashcards - Flashcard Machine - Create, Study

    When the boiler is equipped with hand operated, main steam stop valves, to cut the boiler in on the line, the steam pressure on the incoming boiler should be: slightly lower than line pressure Exam 2 Steam Boilers & Fittings

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  • steam boilers mcqs with answers - set 24 - objectivebooks

    Steam Boilers MCQs with Answers - Set 24 - ObjectiveBooks

    8. Blow off cock in a boiler is used to (A) Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required (B) Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler (C) Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit

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  • steam generation thermodynamics 101 | power engineering

    Steam Generation Thermodynamics 101 | Power Engineering

    If steam is extracted from the turbine at a pressure of 500 psia, energy/mass balance calculations show that the flow rate to the heater should be 20.8 percent of the total steam flow. The

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  • boiler questions and answers regarding your boiler

    Boiler Questions and Answers regarding Your Boiler

    What is a flame safeguard system? Answer: Safeguard system is a set of controls used on a boiler …

    Calculations of Heat Transfer in the Furnaces of Steam

    Chapter 6 Calculations of Heat Transfer in the Furnaces of Steam Boilers According to the Laws of Radiation of Gas Volumes Anatoly N. Makarov Additional information is …

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  • 1. energy performance assessment of boilers

    1. ENERGY PERFORMANCE ASSESSMENT OF BOILERS

    In case of boilers with intermittent blowdown, blowdown should be avoided during the trial period. In case of boilers with continuous blowdown, the heat loss due to blowdown should be calculated and added to the heat in steam. 1.6.3 Boiler Efficiency by Direct Method: Calculation and Example Test Data and Calculation

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  • fuel and carbon dioxide emissions savings calculation

    Fuel and Carbon Dioxide Emissions Savings Calculation

    thermal energy, usually in the form of steam or hot water. • A steam turbine uses high-pressure steam from a fired boiler to drive a generator producing electricity. Low-pressure steam extracted from or exiting the steam turbine is used for industrial processes, space heating or cooling, domestic hot water, or for other purposes.

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  • body of knowledge for state of ohio high pressure

    Body of Knowledge For State of Ohio High Pressure

    Licensed High Pressure Boiler Operators must have knowledge on a variety of subjects relating to power plant systems including; steam boilers, environmental controls, water treatments, economic devices, and safe operation to prevent injury or damage. This includes high pressure and low pressure boilers.

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