macchi boiler Agent flue gas path

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θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • 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. Superheated steam—steam that has been heated to a very …Get Price


    Model MRD - Industrial Watertube Boilers. Radiant Boiler – Single Drum Type – Fully Welded – Natural Circulation – Vertical Gas Path – Bottom or Top Supported. Steam capacity up to 600 t/h – 1,300,000 lb/h. Steam op. pressure up to 140 barg – 2,030 psig. Steam op. temperature up to 540 °C – 1,005 °F. Fuel gas, oil and crude oil fired.Get Price

  • MRD - Industrial Watertube Boilers by Macchi - - Sofinter

    Macchi HRSG & Waste Heat BoilersGet Price

  • Flue gas path of fire tube boiler

    Application Note: Flue Gas Analysis as a Boiler Diagnostic ToolGet Price

  • Flue Gas - an overview | ScienceDirect Topics

    The flue gas exits the cyclones to a plenum chamber in the top of the regenerator. The hot flue gas holds an appreciable amount of energy. Various heat recovery schemes are used to recover this energy. In some units, the flue gas is sent to a CO boiler where both the sensible and combustible heat is used to generate high-pressure steam.Get Price

  • Boiler Efficiency Improvement & Heat Loss Explained in

    Dry Flue Gas Losses. This account for major heat losses amongst all. If the flue gases leaving the boiler is at a high temperature than the temperature for which it is designed, then most of the heat is getting wasted leading to reduced boiler efficiency. Heat Loss Due to Moisture in Fuel.Get Price

  • Macchi HRSG & Waste Heat Boilers -

    Macchi HRSG & Waste Heat BoilersGet Price

  • Development of SNCR Technology and Prospects of Its

    Jun 16, 2021 · To increase the efficiency of flue gas cleaning, stabilize the operating mode of the SNCR unit at variable loads, and reduce the slip of unreacted ammonia, it is advisable to use a multistage scheme for introducing a reducing agent with its supply to different sections of the boiler flue, the gas temperature in which at various loads is 850 Get Price

  • Mehran Mousapoor on LinkedIn: In this post I'm trying to

    Mehran Mousapoor. In this post I'm trying to show you temperature profile of flue gas in D-Type water tube boiler and decreasing temperature after turn in the end of furnace. Even it can be Get Price

  • Boiler Flue Regulations Explained - Boiler Guide

    Location. Under the boiler flue position regulations, the flue has to be positioned a certain distance from any parts of the home that can be opened up such as windows and doors. How far this is will depend on the size of your boiler but is typically between 30-60cm above, below or to the side of an opening.Get Price

  • Boiler Efficiency and Combustion - Spirax Sarco

    Boiler Efficiency and Combustion. A broad overview of the combustion process, including burner types and controls, and heat output and losses. This Module is intended to give a very broad overview of the combustion process, which is an essential component of overall boiler efficiency. Readers requiring a more in-depth knowledge are directed Get Price

  • Safety Alert: Gas boilers - flues in voids - Domestic Gas

    Oct 02, 2008 · If the flue that takes the waste products from your gas boiler to outside has a break in it, and your boiler is not operating correctly then CO could enter your property. In some properties the flue can be hidden, built-in, out of sight, or in a void such as the ceiling.Get Price

  • Boiler Flue Regulations 2022: A Simple Guide | Skills

    These boiler flue distance regulations help to ensure that harmful gases are fully expelled from your property. The exact distance will depend on the size of your home but, generally, the regulations prevent a boiler flue from being situated within 30-60cm of a window or door. This is to prevent harmful gases from exiting the flue and then re Get Price

  • About Us - Macchi

    MACCHI, operational division of SOFINTER Spa, is a leading and highly experienced company active, on worldwide basis, in the supply of industrial boilers for oil & gas business and heat recovery steam generators for cogeneration plants (CHP). Established in 1959, MACCHI entered into SOFINTER Group in 1997 and had been fully incorporated in the holding company …Get Price

  • Carbon capture and storage update - Energy & Environmental

    The Fluor applications include a 70 MW e gas-fired boiler and a gas-fired turbine with a flue gas rate equivalent to 80 MW of a coal-fired boiler. Two public databases demonstrate that amine scrubbing is near commercial on coal-fired power plants. 75,76 More than 25 pilot plants have tested amine absorption/stripping on coal-fired flue gas at 0 Get Price

  • Water Tube Boiler Parts and Functions - Boilersinfo

    Jul 25, 2017 · Typically economiser is used before the air heater in flue gas path of athe boiler to increase the boiler efficiency. Air Heater Air supplied to a boiler for combustion is pre heated with the help of air heater by recovering the heat of waste flue gas that leaves the economizer. 20C rise in temperature of combustion air can save up to 1% of Get Price

  • Structural Design of Air and Gas Ducts for Power Stations

    Abstract. Prepared by the Air and Gas Duct Structural Design Committee of the Energy Division of ASCE. Structural Design of Air and Gas Ducts for Power Stations and Industrial Boiler Applications, Second Edition, assists structural engineers in the layout and performance of the structural analysis and design of air and flue gas ductwork for natural gas, coal, oil, …Get Price

  • Forced Draft Fan in Boiler Working - Thermodyne Boilers

    Forced Draft Fan (FD Fan) in Boilers. As we know, for a Steam Boiler to generate steam, combustion must occur, be it any fuel (wood/coal/rice husk/pet coke/LDO/Furnace oil) and for combustion to exist one of its three main requirements, is the air. And this requirement is compensated by a Forced Draft Fan.Get Price

  • Contacts - Macchi

    HEADQUARTERS Piazza F.Buffoni, 3 21013 Gallarate (VA) Italy Tel +39 0331 738111 Fax +39 0331 738888 GENERAL – [email protected] COMMERCIAL […]Get Price


    Jun 26, 2012 · Stack gas path and cleanup. See also: Flue-gas emissions from fossil-fuel combustion and Flue-gas desulfurization. As the combustion flue gas exits the boiler it is routed through a rotating flat basket of metal mesh which picks up heat and returns it to incoming fresh air as the basket rotates, This is called the air preheater.Get Price

  • Boiler Combustion -

    Flue gas recirculation, or FGR, is the most effective method of reducing NOx emission from industrial boilers with inputs below 100 MMBtu/hr. FGR entails recirculating a portion of relatively cool exhaust gases back into the combustion process in order to lower the flame temperature and reduce NOx formation.Get Price

  • Gas boilers - flues in voids - HSE

    Dec 02, 2010 · It is the responsibility of the landlord to ensure that inspection hatches are installed and that the boiler and flue are checked every year. If you think you are suffering the symptoms of CO poisoning: Turn the appliance off immediately and contact the National Gas Emergency Service on 0800 111 999.Get Price

  • Amine versus ammonia absorption of CO2 as a measure of

    May 26, 2010 · The treated flue gas is, thereafter, discharged from the stack after it is recombined through the Unit # 2 flue gas duct. A 1.7-MW system is being operated (Blomen et al. 2009 ) for captured CO 2 from a portion of flue gas generated at the 1224 MW coal-fired boiler.Get Price

  • Characterization of MSWI fly ashes along the flue gas

    Oct 01, 2021 · The first solid residue from the flue gas path is the ash arising at the 2nd and 3rd pass, also called the empty pass ash (EA), which is often disposed together with the bottom ash . After leaving the 3rd pass, the flue gas flows through the boiler, which is equipped with heat exchanger tubes. By passing the boiler, the flue gas is cooled from Get Price

  • Improve Your Boiler's Combustion Efficiency - Energy

    (MMBtu) of natural gas while producing 45,000 lb/hour of 150-psig steam. Stack gas measurements indicate an excess air level of 44.9% with a flue gas minus combustion air temperature of 400°F. From the table, the boiler combustion efficiency is 78.2% (E1). Tuning the boiler reduces the excess air to 9.5% with a flue gas minus combustionGet Price


    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. Key Components of Boilers Get Price

  • What is a Flue Gas? - Definition from Corrosionpedia

    Dec 15, 2018 · Flue gas refers to a chemical byproduct substance that is generated as a result of a combustion reaction that has escaped through long pipes such as those in boilers, furnaces or steam generators. Flue gas may also be referred to as exhaust gas and may act as a reactor agent for atmospheric corrosion. Advertisement.Get Price

  • PA Fans, ID Fans, Draught Fans, FD Fans, SA Fans in

    Jan 10, 2017 · Flue Gas Recirculation Fans Gas recirculation fans (FGR) are typically used in power plant boilers to reduce the flue gas pollution content in the gases exhausted from thermal combustion processes. Flue gas re-circulation is a highly effective technique that significantly reduces the Nitrogen oxide (NOx) emissions from burners.Get Price

  • Flue Gas Treatment - Hitachi Zosen Inova AG

    Macchi is a world leading manufacturer of industrial HRSG boilers and waste heat boilers, specializing in systems for the design and construction cycle cogeneration (CHP).Macchi is well experience. d and established in supplying equipment to the oil & gas and petrochemical industries. Macchi was founded in 1959 and became part of SOFINTER Group Get Price

  • Power 101: Flue Gas Heat Recovery in Power Plants, Part I

    Apr 01, 2010 · The gross power output of a 642.18-MW, turbine cycle heat rate (HRcycle) of 7,467 Btu/kWh (ηcycle,gross = 45.69%), APH leakage of 10%, flue gas temperature at the boiler outlet of 680F, and coal Get Price

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