Effect-improved energy-efficient integrated method during physical starting of reactor

The invention belongs to the technical field of a physical starting experiment of a reactor, and particularly relates to an effect-improved energy-efficient integrated method for improving operation economy of a power station during physical starting of the reactor. The method comprises the following steps: step 1, reducing the initial concentration of boric acid of a reactor core from 16 g/kg to 13g/kg; step 2, canceling injection of boric acid to the reactor core, when an experiment of emergency protection value measurement is performed, after all control rods fall into the reactor core, and lifting control rods of group 1-9 in sequence to the top of the reactor and lifting control rods of group 10 to a position, the height of which is 60% of the height of the reactor core, after the experiment is completed; step 3, under the hot operating condition, adjusting the eighth, ninth, and tenth rod groups, inserting the rod groups into the reactor core, and arranging the first to seventh shut-down rod groups to be outside the reactor; and step 4, modifying a calculation condition of the minimum shut-down concentration (CBmin) of boric acid to an inlet temperature, of a coolant, of 270 DEG C and keff of the reactor core of 0.99, adjusting all rod groups, inserting the rod groups into the bottom of the reactor, and taking all the rod groups out of the reactor core with the concentration of xenon being zero and considering the allowance of +1g/kg to reduce CBmin.