Caprolactam salt removal system

The utility model discloses a caprolactam salt removal system. The device comprises a filter, the filter is provided with a feeding pipe and a discharging pipe, the feeding pipe is provided with a feeding valve, the discharging pipe is provided with a discharging valve, the output end of the feeding valve is connected with the output ends of a first valve and a second valve through pipelines, theinput end of the first valve is used for being communicated with a water source, and the input end of the second valve is used for being communicated with an inert gas source; the discharging valve isa discharging three-way valve, one output end of the discharging three-way valve is communicated with the inlet of the product buffer tank through a pipeline, and the other output end of the discharging three-way valve is communicated with the inlet of the saline water tank through a pipeline. According to the system, caprolactam salt can be effectively filtered, extracted and stored, and in addition, the influence of sys