Low-temperature utilization device for activity of methanol synthesis catalyst

The utility model discloses a low-temperature utilization device for activity of a methanol synthesis catalyst, and belongs to the technical field of methanol synthesis. The low-temperature utilization device is arranged on a methanol synthesis device, and connected to a methanol synthesis reactor, a methanol synthesis steam pocket, a reforming furnace, a medium-pressure steam pipe network, a low-pressure steam pipe network and a rectifying reboiler which are arranged in the methanol synthesis device. The low-temperature utilization device for activity of the methanol synthesis catalyst comprises a deoxygenated water pipeline, a synthesis byproduct steam pipeline and an external medium pressure steam pipeline. The low-temperature utilization device for activity of the methanol synthesis catalyst can be used for realizing sufficient utilization of heat energy, sufficiently utilizing the initial-stage low temperature activity of the synthesis catalyst of the methanol synthesis device. On the basis of continuous