Steam turbine power generation facility using oxygen-hydrogen combustion

Abstract

A steam turbine power generation facility in an embodiment includes: a steam generator that generates steam by heat of reaction generated by combustion of oxygen and hydrogen; a high-pressure steam turbine into which steam is introduced from the steam generator; a combustor into which steam discharged from the high-pressure steam turbine is introduced and that combusts oxygen and hydrogen to reheat the introduced steam; a low-pressure steam turbine into which steam discharged from the combustor is introduced and into which steam discharged from the high-pressure turbine is introduced as a cooling medium; and a condenser that condenses steam discharged from the low-pressure steam turbine.

What is claimed is: 
     
         1 . A steam turbine power generation facility using oxygen-hydrogen combustion, comprising:
 a steam generator that generates steam by heat of reaction generated by combustion of oxygen and hydrogen;   a first steam turbine into which steam is introduced from the steam generator;   a first combustor into which steam discharged from the first steam turbine is introduced and that combusts oxygen and hydrogen to reheat the introduced steam;   a second steam turbine into which steam discharged from the first combustor is introduced; and   a condenser that condenses steam discharged from the second steam turbine.   
     
     
         2 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 1 , wherein
 a portion of the steam discharged from the first steam turbine is introduced into the second steam turbine as a cooling medium.   
     
     
         3 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 2 , further comprising:
 an exhaust pipe heat exchange part that is provided in an exhaust pipe that leads steam from the second steam turbine to the condenser, and the exhaust pipe heat exchange part that heats feedwater to be supplied from the condenser to the steam generator by the steam discharged from the second steam turbine.   
     
     
         4 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 2 , wherein
 the second steam turbine is formed of a third steam turbine and a fourth steam turbine into which steam having a lower pressure than steam to be introduced into the third steam turbine is introduced,   steam discharged from the first combustor is introduced into the third steam turbine,   a portion of the steam discharged from the first steam turbine is introduced into the third steam turbine as a cooling medium,   steam discharged from the third steam turbine is introduced into the fourth steam turbine, and   steam discharged from the fourth steam turbine is introduced into the condenser,   the steam turbine power generation facility further comprising:   a steam pipe heat exchange part that is provided in a steam pipe that supplies steam from the third steam turbine to the fourth steam turbine, and the steam pipe heat exchange part that heats feedwater to be supplied from the condenser to the steam generator by the steam discharged from the third steam turbine.   
     
     
         5 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 1 , further comprising:
 a second combustor into which steam is introduced from the steam generator and that combusts oxygen and hydrogen to heat the introduced steam, wherein   steam discharged from the second combustor is introduced into the first steam turbine.   
     
     
         6 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 5 , wherein
 a portion of the steam discharged from the steam generator is introduced into the first steam turbine as a cooling medium, and   a portion of the steam discharged from the first steam turbine is introduced into the second steam turbine as a cooling medium.   
     
     
         7 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 6 , further comprising:
 a steam pipe heat exchange part that is provided in a cooling medium supply pipe that introduces a portion of the steam discharged from the first steam turbine as a cooling medium into the second steam turbine, and the steam pipe heat exchange part that heats feedwater to be supplied from the condenser to the steam generator by the steam discharged from the first steam turbine.   
     
     
         8 . A steam turbine power generation facility using oxygen-hydrogen combustion, comprising:
 a steam generator that generates steam by heat of reaction generated by combustion of oxygen and hydrogen;   a first combustor into which steam is introduced from the steam generator and that combusts oxygen and hydrogen to heat the introduced steam;   a first steam turbine into which steam discharged from the first combustor is introduced;   a second steam turbine into which steam discharged from the first steam turbine is introduced; and   a condenser that condenses steam discharged from the second steam turbine.   
     
     
         9 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 8 , wherein
 a portion of the steam discharged from the steam generator is introduced into the first steam turbine as a cooling medium.   
     
     
         10 . The steam turbine power generation facility using oxygen-hydrogen combustion according to  claim 9 , further comprising:
 a steam pipe heat exchange part that is provided in a steam pipe that supplies steam from the first steam turbine to the second steam turbine, and the steam pipe heat exchange part that heats feedwater to be supplied from the condenser to the steam generator by the steam discharged from the first steam turbine.