AN UPGRADE PRACTICE OF A DOUBLE-RACK SOURCE ~(60)Co SOURCE IRRADIATOR

An upgrade practice of a double-rack irradiator with the design capacity of 2.96×10~(16)Bq(800 kCi) was reported.The detailed contents and characteristics of this upgrade,a comparison on the facility performance before and after the upgrade,and the cost-benefit analysis were carried out.After upgrade,the facility performance increased over 50%,and brought much directly economical benefit and indirectly economical benefit.The upgrade was successful,and set up a demonstrational sample.