Movable plate heat exchanger cleaning device

The utility model relates to a device for cleaning a heat exchanger. The utility model discloses a cleaning device, in particular to a movable plate heat exchanger cleaning device. At least two acid tanks for pickling the heat exchanger are arranged; linkage work and independent work of the acid tank can be achieved through a pipeline and a stop valve, a back washing water drain pipe part utilizesa liquid outlet pipe for supplying acid, back washing can be conducted on the acid tank on the upstream of supplied liquid while part of the acid tank supplies acid normally, and therefore the equipment manufacturing cost is reduced, equipment is simpler, and operation is convenient to optimize. According to the scheme, movable operation can be achieved, compared with a fixed type cleaning device, cleaning acid liquid can be flexibly provided for any heat exchanger, and therefore one-time investment on pipelines and valves is reduced, and the maintenance cost is reduced; and each part can besuitable for the condition