The invention provides a module type
pressurized water reactor. A reactor module is composed of a reactor body, a cooling agent
system, and a safety
system, the reactor body, the cooling agent
system, and the safety system are all enclosed in a steel safety shell, and the whole reactor module is immersed in a
reactor safety water pool, taking the
pool water as the final hot trap for heat discharging of accidents. Emergency
core cooling and emergency
excess heat discharging are achieved by adopting a complete passive way, and the pressure inhibition and long-term heat discharging of the safety shell are achieved through repressing the water in the
water pool and the
reactor safety water pool; and during the processes of reloading and maintenance of reactor, through arranging a reloading
water jacket between the safety shell reloading channel
flange and the reactor container
flange, direct-moving
underwater fuel lifting operation is achieved between the safety shell and the
spent fuel pool. A reactor factory can be provided with a plurality of reactor modules, all reactor modules co-use material loading equipment and other nuclear auxiliary systems, and the safety and economy of the reactor are improved through modularized combination arrangement. The module type
pressurized water reactor is suitable for being applied to the fields of nuclear
electricity generation, gas application, heat application, sea
water desalination, and the like.