A boiler used to generate saturated steam is in the form of an unfinned cross-flow heat exchanger, where water flows through the tubes at a rate of 3 kg/s and a high temperature gas flows over the tubes at a rate of 10 kg/s. The gas has a specific heat of c_p = 1120 J/kg.K and enters the heat exchanger at 1400 K.
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These boilers may be either firetube or watertube design and use heat that would otherwise be discarded to generate steam. Typical sources of heat for WHRBs include exhaust gases or high-temperature products from an external manufacturing process in refineries and chemical manufacturing facilities, or combustion of a waste fuel in the boiler furnace.
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Steam fire-engine makers such as Merryweather usually used water-tube boilers for their rapid steam-raising capacity. Many steam cars used water-tube boilers, and the Bolsover Express company even made a water-tube replacement for the Stanley Steamer fire-tube boiler.
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Start studying Boiler Final Exam. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The last two digits stamped on a fuel oil atomizer sprayer play represents the cross-sectional area ratios of the tangential slots and orifice.
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A 75-percent-efficient steam boiler is used to generate saturated water vapor at 800 kPa at a rate of 10 kg/s. Water enters the boiler at the same pressure as a saturated liquid. Municipal solid waste (MSW) is burned in the boiler, and the heating value of MSW is
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What is a Steam Boiler ? Types, Parts and Maintenance
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Did you know that boilers do not generate saturated steam (dry steam)? When a steam boiler heats up water, bubbles breaking through the water surface will pull tiny water droplets in with the steam. Unless a superheater is used, this will cause the steam
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A boiler used to generate saturated steam is in the form of an unfinned, cross-flow heat exchanger, with water flowing through the tubes and a high-temperature gas in cross flow over the tubes. The gas, which has a specific heat of 1120 J/ (kgK) and a mass flow rate of 10kg/s, enters the heat exchanger at 1400K.
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2015/6/12 · Steam Generators - MCQs with Answers Q1. The boiler in which the tubes are surrounded by hot gases is called as a. fire tube boiler b. water tube boiler c. both a. and b. d. none of the above View Answer / Hide Answer
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Q631 Steam Plants U.S.C.G. Merchant Marine Exam DDE 1000-4000 HP Illustrations: 5 30. Bottom blow valves are installed on water-tube boilers to _____. o (A) completely drain the boiler in an emergency o (B) prevent sludge from forming in the steam
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These boilers may be either firetube or watertube design and use heat that would otherwise be discarded to generate steam. Typical sources of heat for WHRBs include exhaust gases or high-temperature products from an external manufacturing process in refineries and chemical manufacturing facilities, or combustion of a waste fuel in the boiler furnace.
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2014/3/21 · It is important that dry steam is used for power generation because water droplets could damage the power-generating turbines. Supercritical Steam Generation – Another process often used in the production of electricity is subcritical steam generation. Standard boilers function at subcritical levels, defined as less than 3,200 psi.
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A 78-percent-efficient steam boiler is used to generate saturated water vapor at 350F. Water enters the boiler at the steam pressure as a saturated liquid. Municipal solid waste (MSW) is burned at a rate of 60 lbm/min in the boiler and the heating value of MSW is
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A steam boiler or steam generator is a device used to create steam by applying heat energy to water. Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure (7–2,000 kPa or 1–290 psi) but, at pressures above this, it is more usual to speak of a steam generator.
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Steam fire-engine makers such as Merryweather usually used water-tube boilers for their rapid steam-raising capacity. Many steam cars used water-tube boilers, and the Bolsover Express company even made a water-tube replacement for the Stanley Steamer fire-tube boiler.
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A boiler is used to convert liquid into steam which creates pressure to generates power in the turbine. Types of boilers used in power plants are fire-tube and water-tube. The type of boiler used in this Rankine cycle is the water-tube. The advantages of this boiler are it generates pressure without wasting resources as it reused the saturated
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2020/5/20 · A steam boiler can be used to generate electricity, process foods, chemical manufacturing, create pulp and paper, and they are even an essential part of the fashion industry to help in dyeing process. These are just some of the great tasks of steam boilers not to
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A steam boiler or steam generator is a device used to create steam by applying heat energy to water. Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure (7–2,000 kPa or 1–290 psi) but, at pressures above this, it is more usual to speak of a steam generator.
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A boiler used to generate saturated steam is in the form of an un-finned, cross-flow heat exchanger, with water flowing through the tubes and a high-temperature gas in cross flow over the tubes. The gas, which has a specific heat of 1120 J/kg ∙ K and a mass flow rate of 10 kg/s, enters the heat exchanger at 1400 K.
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A boiler or steam generator is a device used to create steam by applying heat energy to water.Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure (7–2,000 kPa or 1–290 psi) but, at pressures above this, it is more usual to speak of a steam generator.
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