US3410253A US61338767A US3410253A US 3410253 A US3410253 A US 3410253A US 61338767 A US61338767 A US 61338767A US 3410253 A US3410253 A US 3410253A Authority US United States Prior art keywords hanger bearing supporting vessel Prior art date 1967-01-13 Legal status (The legal status is an assumption and is not a legal conclusionRead More
· The last and probably the most important inspection in the head is a visual examination of the head-to-shell attachment welds This examination requires that any standing water and debris be removed and the circumferential weld area including the heat affected zone (HAZ) be cleaned on the lower half of the (Figure 2) After cleaning inspect this weld area closelyRead More
· Construction of Babcock-Wilcox Babcock-Wilcox is also known as or Horizontal Tubes In this type of one cylindrical is placed above the heat chamber In rear of the drum down comer tube is filled and in front of the is fitted as shown in the figureRead More
In some designs water level is extremely critical because the baffling may isolate a generating section of the when the water level falls below a certain point Thin-lipped bursts also occur in superheater tubes when flow is insufficient when deposits restrict flow or when tubes are blocked by water due toRead More
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