Why is an economizer used in a boiler Quora

  • why trisodium phosphate dosing in boiler drum – CFBC Boiler …

    Why is phosphate dosing done in a boiler? – Quora Trisodium Phosphate dosing is done in boiler drum which react with scale forming salts like calcium cloride,calcium sulphate. 3 cacl2 + 2 na3 po4 = ca3 (po4)2 +6 nacl the sludge collected in bottom header which Get Price

  • 4 Benefits of Adding an HVAC Economizer - Energy Optimizers, USA

    Economizers (US and Oxford spelling), or economisers (UK), are mechanical devices intended to reduce energy consumption, or to perform useful function such as preheating a fluid.The term economizer is used for other purposes as well. Boiler, power plant, heating, refrigeration, ventilating, and air conditioning uses are discussed in this article.Get Price

  • Unit 12 - Chapter 53 - Watertube Boilers You'll Remember | Quizlet

    watertube boiler, in order to prevent flue gas leakage a) an induced draft fan is incorporated b) smoke stacks are made taller c) an economizer is used d) a steel casing forms a seal for the furnace e) sootblowers cannot be usedGet Price

  • Why is an air preheater used in a high boiler pressure and not …

    2017/4/14 · Economizers are mechanical devices intended to reduce energy consumption or perform a useful function such as preheating a fluid. In basic terms, an economizer is a heat exchanger. The orientation of an economizer can be vertical, horizontal, or cylindrical depending on boiler size and space available, and it is fitted directly to the boiler Get Price

  • Boiler Basics 101: Economizers for Increased Efficiency - Boiler Blog | Nationwide Boiler Inc. - Nationwide Boiler Inc.

    2019/11/27 · In the boiler room, efficiency improvements can be found by many sources, however, a common option for energy savings includes the use of an economizer. What is an economizer? The economizer is a fabricated assembly of finned tubing that captures waste heat extracted from the boiler's stack flue gases; the exhaust that leaves the boiler stack (or "flue").Get Price

  • Fin tube for boiler economizer - Murphy Fined Tubes & Fin Tube& …

    2020/11/27 · Economizer is an indispensable part of modern boilers. Its function is to use the heat of the flue gas at the tail of the boiler to heat the boiler feed water and reduce the heat loss of exhaust gas. H type fin tube waste heat recovery device (also called economizer) TheGet Price

  • use of superheater in boiler

    Why is an economizer used in a boiler? - Quora Nov 22, 2018 · Boiler Economizer ( also know as Economizer ) is the Energy improving device that helps to reduce the cost of operation by saving the fuel. The economizer in Boiler tends to make the system moreGet Price

  • Tube Leaks in Black Liquor Recovery Boilers

    classifies all superheater leaks and most economizer leaks as "not critical." Table 2 is a compilation of smelt-water explosions caused by tube leaks. The tube leaks causing explosions came from tubes in every part of the boiler, with the exception of theGet Price

  • Water Tube Boiler: Types, Parts, Working Principles | Linquip

    2020/12/21 · Simple vertical boiler: These boilers find use in steam power-driven vehicles as well as mobile machines like railway steam engines, steam tractors, Steam shovels, and steam cranes. Keep that in mind, contrary to popular belief that a locomotive boiler is a water tube boiler, you better know that it's a fire tube boiler, and it is not a water tube boiler example .Get Price

  • boiler test Flashcards and Study Sets | Quizlet

    boiler test Flashcards. Browse 500 sets of boiler test flashcards. Study sets Diagrams Classes Users. 56 Terms. Caitlin_Walton0821. Boiler. What is the amount of energy equal to t…. when a steam boiler is operating at 100…. A horizontal return tubular (HRT) boile….Get Price

  • What is the difference between a boiler and an economizer? - Quora

    Answer (1 of 2): An economizer in the general sense is a control that allows the use of cooler outdoor temperatures to provide cooling energy to the interior of a building. The most common is the "air-side economizer", whereby a controller will operate returnGet Price

  • Exhaust Gas Boilers And Economisers for Marine Machinery Spaces

    Exhaust Gas Boilers And Economisers Arrangement Auxiliary boilers on diesel main propulsion ships, other than tankers, are usually of composite form, enabling steam generation using oil firing or the exhaust gases from the diesel engine. With this arrangement theGet Price

  • Biomass Boiler - an overview | ScienceDirect Topics

    Biomass boiler uses thermal energy from the combustion of biomass fuel and air to produce superheated steam from feed water. Biomass fuel usually has a high moisture content, which leads to low boiler efficiency. The boiler efficiency can be increased by using heat recovery devices to decrease the temperature of flue gas before it is exhausted Get Price

  • Natural Gas Boiler Economizer Condenser

    Why is an economiser used in a boiler? - Quora As the name may imply, the Economizer is a device built into a boiler to help improve the economy of the boiler. The water heading into the boiler has typically been preheated by some steam flow that was extractedGet Price

  • Economizer - Wikipedia

    2021/4/17 · An economizer is a mechanical device used to reduce energy consumption to perform a useful function. Economizers recycle energy produced within a system such that it captures the heat of the flue gas and transfers it to the feed water in a boiler, it uses part of the total refrigerant flow from the condenser to cool the rest of the refrigerant flow, etc.Get Price

  • Boiler Basics 101: Economizers for Increased Efficiency - Boiler Blog | Nationwide Boiler Inc. - Nationwide Boiler Inc.

    2019/11/27 · In the boiler room, efficiency improvements can be found by many sources, however, a common option for energy savings includes the use of an economizer. What is an economizer? The economizer is a fabricated assembly of finned tubing that captures waste heat extracted from the boiler's stack flue gases; the exhaust that leaves the boiler stack (or "flue").Get Price

  • KEY COMPONENTS OF BOILERS | Boilers Guide

    The boiler is the part of the system that heats the water to be distributed. The key elements of a boiler include the burner, combustion chamber, heat exchanger, exhaust stack, and controls. Boiler accessories including the flue gas economizer are also commonly used as an effective method to recover heat from a boiler.Get Price

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

    Answer (1 of 2): In layman terms, a boiler is used for the purpose of generating steam . An economizer is used for recovering the waste heat from the boiler flue gas exiting from the boiler and using it for heating boiler feed water. Hope it helps.Get Price

  • The Economizer: What, Why, and How? - Boiler Blog | Nationwide …

    HVAC Economizers can be used on almost all types of facilities as well as buildings of any size. The most critical factor to consider is your climate and location. Buildings in extremely hot, humid areas may not be suitable for adding an economizer.Get Price

  • What is a Boiler and How Does it Work? | RealPars

    2019/8/19 · In this article, we are going to discover what an industrial boiler is, and how it works. But first, let us consider the term heat. Heat is vital in everyone's day to day lives. Whether it be heat to warm up our surroundings, or heat to be able to cook food, we all use it toGet Price

  • HEAT RECOVERY BOILERS

    HEAT RECOVERY BOILERS. Boilers of this type generate steam by extracting heat from hot fluid, generally a gas, which is produced as a by-product of a chemical reaction and has no intrinsic value as a chemical, or which is in the form of exhaust from a gas-turbine or internal combustion engine. Heat recovery boilers are also often found in Get Price

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

    stack, what kind of fuel is used in the boiler, and how much energy needs to be recovered. The installation of the economizer in the boiler / thermic fluid heater and utilizing the same for pre-heating boiler feed water will lead to following Get Price

  • What is an economizer? - Quora

    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

  • Chapter 9 - Introduction to Process Technology Equipment & Systems …

    The main components of a water tube boiler are the furnace, the tubes, the drums, the gas/oil burner, and the economizer. Cool water comes in through the inlet and then flows down the downcomer to then be heat in the pipes.Get Price

  • Power Plant Engineering Interview Questions in 2021

    2021/4/17 · An economizer is a mechanical device used to reduce energy consumption to perform a useful function. Economizers recycle energy produced within a system such that it captures the heat of the flue gas and transfers it to the feed water in a boiler, it uses part of the total refrigerant flow from the condenser to cool the rest of the refrigerant flow, etc.Get Price

  • Marine Engineering: What is a Marine Boiler?

    2010/11/26 · Marine boilers are usually of the two-drum water-tube type with water cooled furnaces and heat recovery equipment of the economizer or air-heater type. The majority of ships are fitted with two boilers, although some large passenger ships may have three or more. Thanks a lot. A boiler is defined as "a closed vessel in which water or other Get Price

  • Exhaust Gas Boilers And Economisers for Marine Machinery Spaces

    Exhaust Gas Boilers And Economisers Arrangement Auxiliary boilers on diesel main propulsion ships, other than tankers, are usually of composite form, enabling steam generation using oil firing or the exhaust gases from the diesel engine. With this arrangement theGet Price

  • Water Handbook - Boiler System Failures | SUEZ

    Chapter 14 - Boiler System Failures. Deaerator Cracking. Feedwater Line Erosion. Economizer Tubes. Failures Due to Overheating. Failures Due to Corrosion. Successful, reliable operation of steam generation equipment requires the application of the best available methods to prevent scale and corrosion.Get Price

  • QUIZ: Boiler Water Treatment Chemical Guidelines — Part II

    Boiler Water Treatment Chemical Guidelines—Part Il continued Because of the associated corrosion problems, chelants are not the preferred treatment choice. However, if the system dictates the use of chelating agents, it can feed under "starvation" conditions, i.eGet Price

  • What Is A Fire-tube Boiler And How Does It Work? | IQ Mech

    2021/1/24 · So these boilers are used widely in small-scale industries. If we consider the axis of the boiler shell, then a fire-tube boiler can be a vertical boiler as well as a horizontal boiler. The combustion chamber is located in an integral part of the …Get Price

  • Marine Boilers – Working, Types, Parts & Basics of Boilers

    2021/5/26 · Working of Boilers. The main work of a boiler is to produce high pressure steam. The feed water provided to the boiler drum exploits the heat of the energy by burning the fuel. The energy of the burning fuel is kept in reserve in the form of high temperature and pressure. In combustion chamber, inside the boiler, burning of fuel takes place and 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

  • Why is an economizer 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

  • How does a Fire Tube Boiler work?| What are types of Fire Tube Boilers?

    A fire-tube boiler works in the following way: First of all, a feed pump pumps water into the boiler. The grate is used to place the coal fuel. The fire is introduced into the furnace through a fire hole. As the fire ignites the fuel, the heat is produced. The produced heat transfers to the flue gases.Get Price

  • (PDF) Steam Boiler - ResearchGate

    An economizer is used to heat the water which is being fed into the boiler shell. The heat required for this purpose is extracted from the waste flue gases going out of the boiler.Get Price

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

    Answer (1 of 2): Well there is no rule against using them in low pressure boilers. Some do in fact use air preheaters. Its a matter of economics. Air preheaters are a method of heat recovery. Often times other heat recovery methods are used first like increasing boilerGet Price

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