A refrigeration equipment, for supplying cold energy to a cold energy usage component, comprising: a storage tank, for storing a cold carrier medium; a delivery pipeline, having one end communicated with the storage tank and another end adapted for being communicated with a liquid inlet of the cold energy usage component; a recovery pipeline, having one end communicated with the storage tank and another end adapted for being communicated with a liquid outlet of the cold energy usage component; a first cold energy exchanger, mounted on the delivery pipeline and used for cooling the cold carrier medium flowing through the first cold energy exchanger by heat exchange; a cold energy generator, for providing cold energy to the first cold energy exchanger; a second cold energy exchanger, having a hot fluid channel mounted on the delivery pipeline and a cold fluid channel mounted on the recovery pipeline, wherein, cold energy exchange occurs between the cold fluid channel and the hot fluid channel to precool the cold carrier medium flowing through the hot fluid channel, and the hot fluid channel is connected between the storage tank and the first cold energy exchanger; characterized in that, the refrigeration equipment further comprises: a bypass pipe, communicated with the delivery pipeline and the recovery pipeline to allow the delivery pipeline and the recovery pipeline to form a precooling looping path connecting the storage tank and the first cold energy exchanger in series, wherein the bypass pipe is communicated with the delivery pipeline via a first three-way valve; and a cold storage device, mounted on the recovery pipeline, communicated with the first cold energy exchanger via the bypass pipe, and adapted for storing cold energy coming from the first cold energy exchanger. a storage tank, for storing a cold carrier medium; a delivery pipeline, having one end communicated with the storage tank and another end adapted for being communicated with a liquid inlet of the cold energy usage component; a recovery pipeline, having one end communicated with the storage tank and another end adapted for being communicated with a liquid outlet of the cold energy usage component; a first cold energy exchanger, mounted on the delivery pipeline and used for cooling the cold carrier medium flowing through the first cold energy exchanger by heat exchange; a cold energy generator, for providing cold energy to the first cold energy exchanger; a second cold energy exchanger, having a hot fluid channel mounted on the delivery pipeline and a cold fluid channel mounted on the recovery pipeline, wherein, cold energy exchange occurs between the cold fluid channel and the hot fluid channel to precool the cold carrier medium flowing through the hot fluid channel, and the hot fluid channel is connected between the storage tank and the first cold energy exchanger; characterized in that, the refrigeration equipment further comprises: a bypass pipe, communicated with the delivery pipeline and the recovery pipeline to allow the delivery pipeline and the recovery pipeline to form a precooling looping path connecting the storage tank and the first cold energy exchanger in series, wherein the bypass pipe is communicated with the delivery pipeline via a first three-way valve; and a cold storage device, mounted on the recovery pipeline, communicated with the first cold energy exchanger via the bypass pipe, and adapted for storing cold energy coming from the first cold energy exchanger. a bypass pipe, communicated with the delivery pipeline and the recovery pipeline to allow the delivery pipeline and the recovery pipeline to form a precooling looping path connecting the storage tank and the first cold energy exchanger in series, wherein the bypass pipe is communicated with the delivery pipeline via a first three-way valve; and a cold storage device, mounted on the recovery pipeline, communicated with the first cold energy exchanger via the bypass pipe, and adapted for storing cold energy coming from the first cold energy exchanger.