Circulating cooling water system of steam turbine generator

The utility model discloses a turbonator circulating cooling water system, which comprises a turbonator main body, the turbonator main body is provided with a cooling box, and a delivery pipe is fixedly connected between the cooling box and the turbonator main body. The turbonator circulating cooling water system is provided with a connecting rod, a clamping groove, a sealing gasket, a clamping block, a sealing plate and a reinforcing block, when a filter plate needs to be disassembled, the connecting rod is pulled to extrude a limiting spring, and when the connecting rod extrudes the limiting spring, the clamping block can be separated from the interior of the clamping groove; the filter plate can be detached after the sealing plate is not fixed, so that not only can impurities in the filter plate be cleaned, but also impurities in the storage box can be treated in a unified manner, and the problems that the filter plate is inconvenient to detach, the sealing performance is poor, and the filter plate is not