Methanol synthesis gas dechlorination device for improving activity of catalyst

The utility model relates to the technical field of chemical production equipment, and discloses a methanol synthesis gas dechlorinating device for improving the activity of a catalyst, which comprises a first dechlorinating tower, a second dechlorinating tower and a heating assembly for heating the first dechlorinating tower and the second dechlorinating tower, a first feeding pipe is arranged at the top of the first dechlorinating tower, and a second feeding pipe is arranged at the bottom of the second dechlorinating tower; the first feeding pipe is communicated with a methanol synthesis gas pipeline through a pipeline, and a first discharging pipe is arranged at the bottom of the first dechlorination tower; a second feeding pipe is arranged at the top of the second dechlorination tower, the second feeding pipe is respectively communicated with a methanol synthesis gas pipeline and a first discharging pipe through pipelines, a second discharging pipe is arranged at the bottom of the second dechlorination to