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1 The uncleaned superheater, reheater should have oxygenated blowwash.

2 The measures to prevent reheater tube failure are presented.

3 MSR (Moisture Separator Reheater) is a kind of large combined horizontal pressure vessel with thin-shell and complicated internals , which belongs to the conventional island of NPP.

4 Moisture Separator Reheater (MSR) is a complicated equipment in conventional island of a nuclear power station , it is made in abroad because it contains high technology and difficult manufacturing .

5 The superheater and reheater overheating occurred in early 300MW, 600MW boilers and their reasons are detailed and analyzed, and the improvement and optimization measure are put forward.

6 Through analyzing the welding defect of reheater tube, The reasons of defect formation and the measure of disposal are discussed.

7 This paper simply presents the commissioning of moisture separator reheater (MSR) system and its monitored control system (RTC_5) of Qinshan NPP 300MW turbine generator.

8 This paper analyzes forming cause of the oxide skin in low temperature reheater, superheater and condenser, and introduces the measures taken to avoid drop of oxide skin on the basis of experience.

9 Based on analysis of the cause of tube explosion, which frequently happens on the hot stage reheater of boilers No. 1and 2 in Hanchan power Plant,(www.Sentencedict.com) authors put forward improvement measures.

10 Relation of two equivalent entropy drop method is conducted, and doing work efficiency of reheater has different choices.

11 This kind of valve is the isolation equipment for power station reheater and superheater pipe system in the water pressure test.

12 Fist of all, in order to discover the proper arrangement and proportion of reheater, the rule and quantitative relationship of radiation or convection of different parts should be found out.

13 After a detail calculation and analysis, the reason that the flow distribution coefficient of a flow divider in the primary reheater was too small had been found.

14 Considerable loss has been caused by delayed crack of tubes which frequently occurred due to directly welding comb sealing plate to T91 tubes in finishing reheater panel of 300MW, 600MW boiler.

15 The reheat cycle benefits from reduced wetness in the turbine exhaust, but presents an increased capital outlay in terms of reheater pipe-work to, from and within the boiler.

16 In the end of the dissertation, the lifetime of the experimental superheater and reheater tubes that have been used is evaluated by the methods of sress computation and the metallographic tests.

17 Overheating appeared in the tubes of the outlet section outside the furnace and outlet vertical section of the reheater duo to thermal deviations,(sentencedict.com) accompanied by tube explosion.

18 The concept of cycle efficiency coefficient is introduced to analyze the normal cycle of the unit and the reheater desuperheating water cycle.

19 The Realization of these technical measure has effectively solved the reheater bursting problems with better economic benefit obtained.

20 High Pressure Boiler Tube is mainly used to manufacture high-pressure and ultrahigh-pressure boiler superheater tubes, reheater tube, airway, such as main steam pipe.