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  • Power plant maintenance: Economiser and its types

    2017/4/9 · (i) Steaming type economizers: some part of the water (about 5 to 7%) to be converted into steam during its passage through the economizer. (ii) Non-steaming type economizers: While in case of non steaming economizer feed water is heated within 75% of the saturation temperature of the boiler.Get Price

  • What is the function of economizer in steam boiler? - Answers

    Why is an economiser used in a boiler? - QuoraGet Price

  • What is the purpose of the economizer in a boiler? - Answers

    Boiler Economizer: Boost Your Boiler's Performance I RasMechGet Price

  • Economizers | CleanBoiler.org

    Economizers Introduction Flue gases from large boilers are typically 450 – 650 F. Stack Economizers recover some of this heat for pre-heating water. The water is most often used for boiler make-up water or some other need that coincides with boiler operation.Get Price

  • Use Feedwater Economizers for Waste Heat Recovery

    Energ Tips STEA Steam Tip Sheet 3 Use Feedwater Economizers for Waste Heat Recovery A feedwater economizer reduces steam boiler fuel requirements by transferring heat from the flue gas to incoming feedwater. Boiler flue gases are often rejected to the Get Price

  • Importance & Use of Economiser in Thermal Power Plants – …

    Some of the common applications of economizer are given below, In steam power plants it captures the waste heat from boiler stack gases (flue gases) and transfers it to the boiler feed water. Air-side economizers HVAC (Heating, Ventilation and Air Condition) can save energy in buildings by using cool outside air as a means of cooling the indoor space.Get Price

  • Chapter 14 Boilers - Pearson

    292 Chapter 14 Stack—an opening at the top of the boiler that is used to remove flue gas, p. 297. Steam drum—the top drum of a boiler where all of the generated steam is collected before entering the distribution system, p. 293.Steam trap—a device used to remove condensate or liquid from steam systems, p. 294. Get Price

  • Steam Generators - Mechanical Engineering (MCQ) questions and answers

    Steam Generators - Mechanical Engineering (MCQ) questions and answers. 1) What is the disadvantage of natural draught? No explanation is available for this question! No explanation is available for this question! 3) What is the pH value of water permissible for boiler?Get Price

  • What is the function of an economiser in a steam boiler MCQ? - …

    What is the function of the economizer? - Boiler basics - ZOZEN BoilerGet Price

  • INSTRUMENTATION QUETSTION AND ANSWERS RELATED TO BOILER …

    ECONOMIZER QUESTIONS AND ANSWERS Q.42. What is function of Economizer? Answer. The function of the economizer is to preheat the boiler feed water before it is led to the steam drum, by recovering some of the heat of the flue gas leaving the boiler.Get Price

  • Mechanical Engineering: Questions and answers related to Boilers

    Questions and answers related to Boilers What is the function of the economizer? Economizer economizes the power plant operation. What are the functions of steam drum? (a) steam separation, (b) steam-water circulation and (c) purifying steam. What is Get Price

  • Economizers | CleanBoiler.org

    Economizers Introduction Flue gases from large boilers are typically 450 – 650 F. Stack Economizers recover some of this heat for pre-heating water. The water is most often used for boiler make-up water or some other need that coincides with boiler operation.Get Price

  • BOE (BOILER OPERATION ENGINEER ) SHORT TYPE QUESTION ANSWER-2 FOR EXAMINATION - ASKPOWERPLANT

    2017/10/27 · Economizer of boiler has main function of a. Heat up the incoming water with excess steam b. Best 25 questions and answer for boiler first and second class operator viva examination 2017 POWER PLANT MEDIUM TYPE QUESTION ANSWERS 2017 Get Price

  • Steam Power Plant MCQS with Full Explanation

    2021/8/14 · 1. In thermal power plants, the function of economizer is to: A. Heat steam from boiler B. Heat feed water using flue gas C. Heat air fuel mixture D. Heat steam taken from turbine outlets Answer: B. Heat feed water using flue gasGet Price

  • What Is Boiler Mounting? | What Are Boiler Accessories? | Boiler Mountings and Accessories | Difference between the boiler mountings and accessories

    Functions: Automatic feed water regulator is one of the important boiler mountings to ensure a proper level of water under all load conditions.In boilers with high evaporation rates, several feed element water control systems are used. 9. Manhole Function: The boiler consists of several manhole gates which enable inspection, cleaning, and maintenance of boiler tubes and …Get Price

  • Interview Questions In Boiler | Placement Interview Questions In …

    2020/6/29 · This article has covered many topics related to Interview Questions in Boiler, Steam Boiler question and Answers, Types of Steam Boilers, Fundamentals and Function of Steam Boilers etc. These in-depth interview questions in Boilers are helpful for Boiler operator, Boiler inspector and boiler exams, assessment and certifications and these questions are prepared …Get Price

  • MCQ on POWER ENGINEERING – Amit Mahto

    2021/3/11 · MODULE 02 – Steam Generators / Steam turbine / Reaction turbine Steam Generators Q1 – The correct gas flow path in a typical large modern natural circulation boiler is Combustion chamber, reheater, superheater, economizer, air preheater, I.D. fan, electrostatic precipitator, stackGet Price

  • MCQs of Steam Boilers (Basic Mechanical Engineering - …

    9. The function of a water level indicator is. (a) to blow off steam when the pressure of steam inside the boiler exceeds the working pressure. (b) to indicate the water level inside the boiler to an observer. (c) to measure the pressure of steam inside the steam boiler. (d)Get Price

  • Boiler Economizer: Boost Your Boiler's Performance I RasMech

    2021/3/3 · Summary. Economizers lower the consumption of fuel for a given steam demand. They also reduce thermal stress in the boiler and add heat transfer surface area to the boiler system. "By recovering waste heat, an economizer can often reduce fuel requirements by 5% to 10% and pay for itself in less than 2 years.".Get Price

  • Deaerators in Industrial Steam Systems - Energy

    upon the ratio of boiler feedwater makeup to returned condensate and the operating pressure of the deaerator. Deaerators use steam to heat the water to the full saturation temperature corresponding to the steam pressure in the deaerator and to scrub out andflow.Get Price

  • Boiler Economiser : Definition, Function & Types of Economiser in …

    Answer (1 of 2): it is to warm the feed water (the water that is being fed into the boiler and that is turned into steam to do some kind of work) heating the feed water from (lets say) 10 C in the supply line (or locomotion tender) to the boiling point (higher then 100 C dueGet Price

  • Boiler Mountings & Accessories - Basics, Types, Working - …

    Boiler Mountings & Types. These are the fittings and devices for the proper functioning and safety of the boiler. The boiler mountings are generally mounted over the boiler shell. They ensure the safe function of the steam boiler by controlling the fluid parameters inside the boiler shell. Without them, a boiler cannot function safely.Get Price

  • Why is an economiser used in a boiler? - Quora

    Answer (1 of 7): Economiser is a boiler accessory which is used to improve its efficiency. It is gemerally a heat exchanging device with tubes to carry feed water. Function: it preheats the water before it enters the boiler upto a temperature below boiling point.Get Price

  • Boiler Economizer: Boost Your Boiler's Performance I RasMech

    2021/3/3 · Summary. Economizers lower the consumption of fuel for a given steam demand. They also reduce thermal stress in the boiler and add heat transfer surface area to the boiler system. "By recovering waste heat, an economizer can often reduce fuel requirements by 5% to 10% and pay for itself in less than 2 years.".Get Price

  • What is the function of the economizer? - Boiler basics - ZOZEN …

    2020/2/7 · 07 Feb 2020. The economizer is a heat exchanger equipment which utilizes heat recovery of flue gases to heat feedwater. It can increase boiler efficiency, reduce the temperature of flue gas and save the fuel by absorbing recovery of flue gases. Besides, the feedwater is heated through the economizer before it is supplied into steam drum to Get Price

  • Steam Boiler: Stack of Steam Boiler

    2011/6/28 · Stack of Steam Boiler. Stack is a equipment to take out the product of combustion at a sufficiently high elevation to prevent disturbance caused by ash, low flying smoke, and soot and to disperse the combustion gases. To perform flue gas flow through steam boiler room such as furnace, superheater, steam boiler bank, economizer, air heater, dust Get Price

  • What is the purpose of using economizer in the boiler? - Mcqs …

    What is the purpose of using economizer in the boiler? A. to heat feedwater by utilizing heat from exhaust gases B. to heat feedwater by utilizing some heat from superheated steam C. to superheat steam D. none of the aboveGet Price

  • What is the function of economizer in steam power plant? - …

    2015/5/12 · Economizer is the power plant accessory/equipment which use the heat of exhaust steam to raise the temperature of incoming water in the boiler. It increases the efficiency of plant. Economiser is a heat-exchanger between Air-pre-Heater & Primary-superheater,situated on the2nd pass of the water-tube boiler. After coal combustion in furnace zone Get Price

  • Steam Boiler: HRSG Components

    Steam Boiler. Heat Recovery Steam Generator (HRSG) consists of several components such as superheater, evaporator and economizer which each component has different functions. HRSG components can be seen as following below: Superheater. Superheater is one of HRSG components that serves to raise temperature of saturated steam to be superheated steam.Get Price

  • Parts of Boiler and Their Function in the Boilers | Linquip

    2020/9/2 · Knowing different parts of boilers will ease your way toward understanding boiler design and boiler components diagram. You'll also have an easier time learning how they work. So, in this article from Linquip, we will talk about different parts of boilers and explain their function in a boiler system with an easy-to-understand approach.Get Price

  • What is the function of economizer in thermal power plant? - Quora

    Answer (1 of 6): An Economizer in thermal plants works as a waste heat store, which further used in preheating the feed water of boilers. As we all know not all the steam gets used in generating the energy, so the waste heat also known as (flue gas) gets stored inGet Price

  • Steam Power Plants MCQ [Free PDF] - Objective Question Answer for Steam …

    The steam generating plant consists of a boiler, superheater, and economizer for the production of steam and other auxiliary equipment for the utilization of flue gases. (i) Boiler: The heat of the combustion of coal in the boiler is utilized to convert water into steam at …Get Price

  • In thermal power plants, the function of economizer is to

    :2019/11/27 · Functions of economizer: Reduce fuel consumption. Preheating a fluid (feed-water in case of steam boiler) Increases the efficiency of the power plant. Following are the advantages: There is about 15 to 20% of coal saving. It increases the steam raising capacity of a boiler because it shortens the time required to convert water into steam.Get Price

  • Installation of Air-Preheater and Economizer in Boiler / Thermic …

    boiler can be recovered using an economizer. This can further be utilized to pre-heat the boiler feed water. A temperature difference of 1200C is sufficient to rise the boiler feed water temperature by 60-650C. The increase in boiler feed water temperature can leadGet Price

  • 250+ TOP MCQs on Boiler Mountings – 2 and Answers

    Thermal Engineering Questions and Answers for Freshers on "Boiler Mountings – 2". 1. What is the function of fusible plug? a) Protects the boiler from overheating b) Prevents mixing of water and steam c) Regulated the flow of steam outside boiler d) It is opened toGet Price

  • Working Of Boiler- Parts, Efficiency, Classification And …

    The boiler is a closed vessel in which the water is stored. Hot gases are produced by burning fuel in the furnace. These hot gases are made to come in contact with the water vessel where the heat transfer takes place between the water and the steam. Therefore, the basic principle of the boiler is to convert water into steam by using heat energy.Get Price

  • What is boiler grate? - AskingLot.com

    Click to see full answer. Keeping this in consideration, what is boiler function? Boiler design is the process of designing boilers used for various purposes. The main function of a boiler is to heat water to generate steam. Steam produced in a boiler can be used for a variety of purposes including space heating, sterilisation, drying, humidification and power generation.Get Price

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