Esa Kari Vakkilainen, in Steam Generation from Biomass, 2017. 5.3.3 Economizers. Economizers are one of the four main heat transfer surface types. The name economizer comes from German Ekonomizierung (to economize). They were first used in shell and tube boilers to preheat the feedwater. Feedwater preheating helps to capture more heat from the flue gases.
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Jul 18, 2020 · Exhaust Gas Economizer on Ships is a feed-water heater in which the heat from waste gases are recovered.It raises the temperature of feed-water supplied to the marine boiler. Purpose of Exhaust Gas Economiser on Ships. The purpose of the exhaust gas economizer is to increase plant efficiency by removing heat that would otherwise be lost in the flue gas and use it to indirectly heat the
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The BFW Series is available in models 480, 660, 840, 1020, 1200, 1380, 1560, 1740 and 1950 (MBTU/HR). The SmartFlame operating control mounted on the BFW boiler is a two-stage proportional set-point control. Controller provides, inlet/outlet temperature as well as delta temperature rise, three pre-set modes of operation, and many more functions.
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Jun 01, 2011 · A variable-speed fan controls boiler draft. The economizer is designed for high flue-gas temperatures, as well as condensing operation. The module can be of a finned-coil design, like many traditional economizers, or a radiator finned-tube design. In both cases, the coil or tube design is compact and tight.
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1500/1.6 φ60×80. 159.96. Boiler Introduction. coal fired steam boiler, economizer is connected after the boiler main part, the exhausted smoke pass through the economizer, and feed water is inside the economizer tube, then the water is heat up by the high temperature smoke, then feeded into the boiler, in this case, you can save 10% fuel.
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Coal/Gas/Oil-fired, Water Heat: Output: Hot Water/Steam: Dimension(L*W*H): Customization: Weight: 10~1000ton: Keywords: Economizer In Power Plant: Product Name: Natural Gas Industry CFB Boiler Finned Tube Petroleum Economizer In Power Plant: High Light: ASME Boiler Fin Tube, Steel Tube Boiler Fin Tube, ASME Standard Boiler Fin Tube
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Two solutions exist for recovering the waste heat from boiler flue gases. Conventional economizers preheat boiler make-up or feed water. Condensing economizers recover both latent and sensible heat from the flue gas, and are able to raise boiler efficiencies to over 90%.
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Fin tube boilers represent one of a number of pressurized equipment options used to heat water or convert water into steam under controlled conditions. As in a water tube boiler, water passes through boiler tubes while combustion gases remain in the shell side, passing over the tube surfaces. Unlike conventional water tube boilers, however, the
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Function of economiser in thermal power plant is to recover some of the heat from the heat carried away in the flue gases up the chimney and utilize for heating the feed water to the boiler. It is simply a heat ex-changer with hot flue gas on shell side and water on tube side with extended heating surface like Fins or …
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Air to Water Heat Exchangers. AICs standard line of E-Line economizers is the optimal solution for boiler flue gas heat recovery. Covering a wide range of boiler sizes, the E-Line delivers real energy and cost savings for commercial and industrial installations. In principle the E-Line economizers act as air to water heat exchangers.
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