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2. A boiler water level control system – a water system with a two-port valve valvetwo-port valve. In systems of this type (an example is shown in Figure 6.5.6), where a two-port feedwater control valve varies the flowrate of water, the pressure drop across the control valve will vary with flow. This variation is caused by: The pump
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Failure analysis of the boiler water-wall tube is presented in this work. In order to examine the causes of failure, various techniques including visual inspection, chemical analysis, optical
Investigation on the heat transfer characteristics of supercritical pressure boiler spirally water wall tube. March 2004; of internally ribbed tube is in a shape of π. carrying agent
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2. A fire-tube boiler according to claim 1, wherein 0.8>r/R>0.5. 3. A fire-tube boiler according to claim 1 or 2, wherein the number and the inside diameter (2) of the flue tubes are so dimensioned that the dynamic pressure in the flue tubes at the point directly behind the trumpet-shaped widening is
1978-1-1 · This chapter presents a study of heat transfer in a flame tube of a fire-tube boiler. The chosen shape is similar to those of fire tube boilers, and the fuel used is the liquid fuel "Solar." In a specified flame tube, the heat transfer to the tube surface increases at first with the increase of fuel consumption rate. An optimum value is
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US20080283039A1 US11/749,535 US74953507A US2008283039A1 US 20080283039 A1 US20080283039 A1 US 20080283039A1 US 74953507 A US74953507 A US 74953507A US 2008283039 A1 US2008283039 A1 US 2008283039A1 Authority US United States Prior art keywords damper overfire air duct air duct inlet Prior art date 2007-05-16 Legal status (The legal status is an
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Tube portion 6 of each ferrule 1 is inserted into the inlet end of each boiler tube 21. Preferably, a layer 22 of material such as FIBERFRAX™ is interposed between the outer periphery of tube portion 6 and the inner surface of boiler tube 21. A portion of second end 2b of head portion 2 contacts the face of inlet tube
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