The present invention discloses a water injection and drainage full-automatic multisphere
neutron spectrometer and a measurement method. A
system comprises a water injection and drainage
system, multiple
layers of annular
lead glass spherical shells, a spherical
neutron detector and an analyzing and
processing system. According to a
neutron measurement place, the water injection and drainage full-automatic multisphere neutron
spectrometer is installed, at measurement, the water injection and drainage system injects the water in the multiple
layers of annular
lead glass spherical shells orderly, thereby achieving the purpose of changing the thickness of a
neutron moderator, and measuring the neutrons of different energy in an environment. According to the present invention, the water injection and drainage system carries out the full-
automatic control on the different parameters of a single spherical
detector, thereby achieving the multisphere detection purpose, solving the manufacturing complexity of a plurality of detection systems in a conventional multisphere system, reducing the manufacturing cost, at the same time, effectively avoiding the problems that the detectors in the conventional multisphere system influence each other and are inconsistent, and the overall carrying of the plurality of detectors is tedious.