If you are interested in our company or products, you can contact with us through online consulting, demand table submission, e-mails and telephones. Our staff shall wholeheartedly provide product information, application knowledge and good service for you.
Comparing combined gas tubrine/steam turbine and marine low
a gas turbine with a steam turbine which drives the electric generator, while the propeller screws are driven by electric motors. In this system the steam turbine cycle is fed with the steam produced in the waste heat boiler supplied with the exhaust gas from the gas turbines. Fig. 1 shows sample efficiency curves of the combined gas
ChatExhaust gas boilers - Ship service systems
Diesel engine builders have developed engines with greater powers in response to the shipowners demand and also in competition with steam turbines, for propulsion. Diesels are now used almost exclusively for modern ships. Only for liquefied gas carriers where the gas boil-off can be burned in the boilers, are steam turbines still being installed.
ChatLearn How Boiler Steam Is Used For Turbine Power Generation
Mar 21, 2014 · Condensing Turbines – Condensing turbines are the type most commonly found in use in electrical plants. Their exhaust steam is in a partially condensed state as it leaves a boiler. Non-Condensing Turbines – Non-condensing turbines are commonly used in process steam applications.
Chat4.3 Gas Turbines - UnderstandingCHP.com
Gas turbines produce high-quality exhaust heat that can be used in CHP configurations to reach overall system efficiencies (electricity and useful thermal energy) of 70 to 80% (LHV basis) when unfired, even higher if a duct burner is used to elevate the temperature of the gas turbine's exhaust.
ChatGas Turbine Vs Steam Turbine - Industrial Professionals
Apr 17, 2006 · In and of itself a gas turbine is simple to use (quick to start etcetera). The exhaust gas of a gas turbine is usually still HOT, so in that respect there is an efficiency problem; you would normally add an exhaust heat boiler to use that remaining heat (and use the steam thus generated . probably with a steam turbine).
ChatSoot Deposits and Fires in Exhaust gas Boilers
monly used exhaust gas boiler types, steam systems and relevant param eters. This chapter will form a good introduction before proceeding to the issues of principle discussed in Chap ter II. Chapter II deals with the essential conditions causing soot deposits and fires in exhaust gas boilers. The rea sons for soot deposits and their igni
ChatGuide to Combined Heat and Power Systems for Boiler Owners
Characteristic features of prime movers used in CHP systems are presented in Chap. 3. A prime mover is a machine or mechanism that converts energy into work. Prime movers commonly used in industrial CHP applications include steam turbines, gas turbines, microturbines, and reciprocating engines.
ChatExhaust gas heat recovery boiler - alfalaval.com
The standard Aalborg AV-6N exhaust gas boiler for steam appli- cation has a natural circulation design offering several operational advantages compared to traditional forced circulation. Aalborg AV-6N heat recovery boiler improves overall efficiency Aalborg AV-6N is the optimum solution for high-performance heat recovery systems.
ChatMarine Steam Boilers Steam and Water System
Steam flow diagram for an exhaust gas boiler and two oil-fired marine steam boilers. Since ships mostly are equipped with open feed water systems where the feed water temperature is not higher than 50-80°C this feed water may be mixed with saturated water from the O il F ired B oiler or from a steam separator drum,
ChatWaste Heat Recovery System (WHRS)
able steam production power for the exhaust gas fired boiler – steam, which can be used in a steam turbine for elec-tricity production. Also, the revised pressure drop in the exhaust gas bypass, which is part of the WHRS, can be utilised to produce electricity by applying a power turbine. The main WHRS principles are shown in Fig. 2.
ChatCombined Heat and Power Technology Fact Sheets Series: Fuel Cells
Thermal output Gas turbines produce high temperature exhaust, and thermal energy. can be recovered from this exhaust to produce steam, hot water, or chilled water (with an absorption chiller). The exhaust can also be used directly for industrial process drying or heating.
ChatSteam Cycle - an overview | ScienceDirect Topics
The fuel is fired in a boiler which converts the heat released from combustion to steam at high pressure and temperature. This steam is then expanded through a turbine for generation of electrical power. Exhaust steam from the turbine is condensed in a heat exchanger and then returned via the feed pumps to the boiler.
ChatBoiler | Engaged in Thermodynamics
The hot exhaust gas exits the gas turbine at 1155°F and is sent to the heat recovery steam generator. To ensure high power output, a duct burner is coupled to the HRSG assembly. Duct burners use supplementary firing to increase the heat energy of a gas turbine's exhaust and the overall energy output.
ChatGas Turbines - marineengineering.org.uk
This system consists of an exhaust gas fired boiler, multistage condensing steam turbine (turbo generator), a single stage exhaust gas turbine (power turbine) and a common generator for electric power production. The turbines & generator are placed on a common bedplate.
ChatCatalog of CHP Technologies, Section 4. Technology
Section 4. Technology Characterization – Steam Turbines . 4.1 . Introduction . Steam turbines are one of the most versatile and oldest prime mover technologies still in general production used to drive a generator or mechanical machinery. The first steam turbine used for power generation was invented in 1884.
ChatUS3422800A - Combined gas turbine and waste heat boiler
US3422800A - Combined gas turbine and waste heat boiler control system - Google Patents Combined gas turbine and waste heat boiler control system Download PDF
ChatSteam Turbines - an overview | ScienceDirect Topics
A simple steam turbine CHP system needs a boiler and steam generator to raise the steam to drive the unit. The fuel can be any fossil fuel as well as biomass fuels. For highest electrical conversion efficiency, the steam will be condensed at the exit of the steam turbine, creating the largest pressure drop possible across the turbine blades.
ChatHeat recovery steam generator - Wikipedia
A heat recovery steam generator (HRSG) is an energy recovery heat exchanger that recovers heat from a hot gas stream, such as a combustion turbine or other waste gas stream. It produces steam that can be used in a process ( cogeneration ) or used to drive a steam turbine ( combined cycle ).
ChatHeat Recovery Steam Generators (HRSG) | GE Power
Horizontal drum HRSG units are the most popular type of steam generator. The flow of gas is horizontal while the water is heated in vertically-arranged evaporator tubes, producing a natural, cost-effective circulation effect.
ChatGTCC (Gas Turbine Combined Cycle Power Plants) | Mitsubishi
About GTCC. When power is generated by a standalone gas turbine in what is called the simple cycle or open cycle method, the gas turbine releases exhaust gas at high temperatures of around 600°C into the atmosphere. Combined cycle power generation is intended to improve the general thermal efficiency of the plant by recovering this high-temperature
Chatgas steam boiler for steam turbine - schaeferhund-vortkamp.de
steam turbine steam boiler – Natural gas boiler cost. So in the power plant, the boiler provides steam, the steam turbine drives the generator to generate electricity.Steam Turbines – an overview ScienceDirect Topics5/10/2012 · A steam turbine will normally be used in a CHP system only where there is a demand for high-quality, high-pressure steam for some industrial process.
ChatFor Steam Applications - UnderstandingCHP.com
By recovering heat in the engine cooling systems and exhaust, approximately 70 to 80 percent of the fuel's energy can be effectively utilized to produce both power and useful thermal energy. A HRSG is a steam boiler that uses hot exhaust gases from the gas turbines or reciprocating engine to heat up water and generate steam. The steam, in turn, drives a steam turbine or is used in commercial applications that require heat.
ChatSteam Turbines used for CHP - Mass Engineers, Steam
In CHP applications, a boiler or HRSG will generate steam which will be put through a steam turbine. The steam turbine will produce electricity and the remaining exhaust steam can be used for hot water or heating/cooling. The diagram below summarizes a boiler/steam turbine cycle. Figure 2: Boiler/Steam turbine parts (taken from NREL)
ChatBoiler Economizer Exhaust Heat Recovery Systems
CUSTOM ENGINEERING. ASME designed at 750 PSIG this RTR is rated for a 150,000 lb/hr steam boiler. With an exhaust gas flow rate of more than 36,000 SCFM, it saves the end user over $450,000 each year in fuel costs. We engineer and manufacture combustion heat recovery systems for just about every type of combustion source.
ChatWaste Heat Recovery Systems (WHRS) - MHI-MME
Advantages. The exhaust gas partially extracts from the main engine exhaust gas, then it drives the exhaust gas power turbine, which is connected to the steam turbine, with an SSS Clutch. The power generation amount is 2.4 to 2.8 times more than the Eco-TG System (without gas bypass). In the event the STG power generation exceeds an electric demand
Chat3. Steam turbines and boilers
The boiler system on the ship contains an economizer for waste heat recovery, and a study found that when the MAC-90BF was gas-fired, the overall efficiency of a boiler plant showed an about 17％ improvement compared to a conventional boiler.
ChatGER-3582E - Steam Turbines for STAG Combined-Cycle Power Systems
with steam cooling in the gas turbine. STAG combined-cycle systems are designated with a code system to capture key system param-eters: the first digit is the number of gas turbines per steam turbine, the second is not significant for heavy-duty gas turbines, and the third, fourth, and fifth places contain the gas turbine frame size and model
Chat5 mw gas fired hot water boiler - zozen boilers
WITH GAS POWER SYSTEMS. GE Power's Gas plant, from leading gas turbines, steam turbines and generators, to heat recovery steam .. less than 10 MW of electrical power with limited thermal output for heating or cooling. heat and chilled water to cool the University of Wisconsin-Madison.
ChatWaste Heat Boilers and Exhaust Gas Boilers - Green's Power
Waste Heat Boilers and Exhaust Gas Boilers. feedwater and circulating water pumps steam drums and headers on-line gas cleaning gas ductwork including bypass dampers condensate recovery systems fluid pipework, valves and instrumentation. Working alongside diesel engine manufacturers, such as Caterpillar, MAN, Rolls-Royce and Wärtsilä,
ChatGER-3582E - Steam Turbines for STAG Combined-Cycle Power Systems
HRSGs are used to con- vert the gas turbine exhaust into useful steam for the bottoming portion of the combined- cycle. Flexibility is incorporated to allow the steam turbine design to be optimized for site- related parameters such as process extractions and condenser pressure.
ChatCombined Heat and Power Technology Fact Sheets Series: Fuel Cells
because the high temperature gas turbine exhaust can either be used to generate high pressure steam or used directly for heating or drying. Table 1 provides a summary of gas turbine attributes. Applications. Gas turbines are used extensively for CHP, particularly at industrial and . large institutional sites. Gas turbines account for 52 GW of
ChatMC Steam Boilers and Turbines for Power Plants R
information, see (1) Steam Generation and Use, by Babcock & Wilcox, 1978 and (2) Combustion/Fossil Power Systems, by Combustion Engineering, Inc, 1981. 1.2 STEAM PRESSURES AND TEMPERATURES 1.2.1 RATED PRESSURE AND TEMPERATURE. The boiler shall be specified for the maximum operating steam pressure required at the superheater outlet for operation of
ChatAdvanced Technology Combustion Turbines in Combined-Cycle
There is opportunity with advanced combustion turbines to increase combined-cycle efficiency by integrating heating and cooling systems between both thermal dynamic cycles. These systems include: 1) fuel gas performance heating system, 2) steam cooling of combustor transitions; and, 3) energy recovery with the turbine cooling air (TCA) system.
ChatProper Steam Bypass System Design Avoids Steam Turbine
The steam bypass system is generally used during the following modes of operation: start-up and shutdown, steam turbine trip, steam turbine no-load or low-load operation, and simple-cycle operation.
ChatExhaust Gas Boiler on Ships - Marine Engineering
Dec 09, 2015 · Exhaust gas boiler (EGB or EGE) or economiser described in this article is a smoke tube boiler with steam space, used for heat recovery from main engine exhaust gas. An illustration of the boiler is shown in figure below. The exhaust gas boiler is designed as a vertical boiler with a cylindrical shell surrounding the boiler tubes and water drum
Chat