Online cleaning device for desulfurized limestone slurry pipeline

The utility model relates to limestone-gypsum wet desulphurization, and discloses an online cleaning device for a desulfurized limestone slurry pipeline, which comprises a first slurry supply pipeline, a second slurry supply pipeline, a pipeline to an absorption tower and a cleaning pipeline, the second slurry supply pipeline is communicated with a second limestone slurry tank and a second slurry pump, the tail ends of the first slurry supply pipeline and the second slurry supply pipeline are communicated with the pipeline to the absorption tower through a three-way pipe, and the other end of the pipeline to the absorption tower is communicated with the absorption tower; one end of the cleaning pipeline is communicated with the first slurry supply pipeline and the second slurry supply pipeline through a three-way pipe and is respectively connected to the front ends of the first slurry pump and the second slurry pump, and the other end of the cleaning pipeline is communicated with the absorption tower pipeline