증기 터빈 플랜트, 이것을 구비하고 있는 복합 사이클 플랜트 및 증기 터빈 플랜트의 운전 방법

• Main Authors: SUGISHITA HIDEAKI, UECHI HIDEYUKI, OKA YUICHI
• Format: Patent
• Language: Korean
• Published: 18.09.2017
• Subjects: BLASTING; ENGINE PLANTS IN GENERAL; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; HEATING; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; STEAM ACCUMULATORS; STEAM ENGINE PLANTS; STEAM ENGINES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; WEAPONS

보일러(20)는, 유입된 물을 정압 비열이 극대로 되는 정압 비열 극대 온도 이상으로 가열 유체로 가열하는 하나 이상의 증발기(22, 26)와, 보일러(20)로부터 나온 증기를 가열 유체로 가열하는 하나 이상의 재열기(31)를 갖는다. 저압 증기 터빈(43)에 증기를 공급하는 모든 재열기(31)는, 고압 증발기(26)의 하류측에만 배치되어 있다. 모든 재열기(31)는, 고압 증발기(26)로부터 증기가 공급되는 고압 증기 터빈(41)을 통과한 증기를 포함하고, 또한 고압 증발기(26)에 있어서의 정압 비열 극대 온도보다 온도가 낮은 재열용 증기(FRHS)를 이 정압 비열 극대 온도 미만까지 가열한다. A boiler includes one or more evaporators configured to heat water which has flowed therein to a specific heat maximum temperature at constant pressure or more in which a specific heat at constant pressure is maximized using a heated fluid and one or more reheaters configured to heat the steam which has come from the boiler using the heated fluid. All the reheaters configured to supply steam to a low-pressure steam turbine are disposed only at a downstream side of the high-pressure evaporator. All the reheaters heat reheating steam (FRHS) containing steam which has passed through a high-pressure steam turbine configured to receive steam supplied from the high-pressure evaporator and having a temperature lower than a specific heat maximum temperature at constant pressure in the high-pressure evaporator to less than the specific heat maximum temperature at constant pressure.