Device for improving replacement efficiency of plate heat exchanger

The utility model discloses a device for improving the replacement efficiency of a plate heat exchanger, which relates to the technical field of copper electrolysis and nickel sulfate industrial production and comprises a plate heat exchanger, a liquid inlet pipe and a liquid outlet pipe are arranged on the plate heat exchanger, and a second branch pipe and a first branch pipe are respectively mounted on the liquid inlet pipe and the liquid outlet pipe. Valves are arranged on the liquid inlet pipe, the liquid outlet pipe, the second branch pipe and the first branch pipe, the lower end of the first branch pipe is connected with a water storage pipe through a rotating joint, a plurality of arc-shaped water spraying pipes are arranged on the outer wall of the water storage pipe, and a filtering layer, a stirring shaft and a liquid collecting funnel are sequentially arranged below the water storage pipe from top to bottom. According to the device, under the condition that the plate heat exchanger is not disassemb