Closed-cycle cooling system for refrigeration equipment

The invention discloses a closed-cycle cooling system for refrigeration equipment. The closed-cycle cooling system for the refrigeration equipment comprises a primary cooling loop, a first water cooling loop, and a second water cooling loop, wherein the primary cooling loop comprises a condenser and a condensing agent circulates in the primary cooling loop and is used for cooling the refrigeration equipment; soft water circulates in the first water cooling loop and is used for cooling the condenser; circulating cooling water circulates in the second water cooling loop and is used for cooling soft water circulating in the first water cooling loop. In the system, a two-way cooling water loop is adopted, the medium of a first cooling water loop directly used for cooling the condenser is soft water, furthermore, soft water in a second cooling water loop and the first cooling water loop is adopted to carry out heat exchange. Cooling water in direct contact with the condenser is soft water, thereby effectively preventing fouling from forming in the condenser, lowering corrosion of cooling water on a mechanical structure, prolonging the service life of the refrigeration equipment and lowering the cost of industrial production.