Residual liquid separation device for rectifying tower kettle

The invention provides a rectifying tower kettle residual liquid separation device, and relates to the field of tower kettle residual liquid separation. The residual liquid separation device for the rectifying tower kettle comprises a suspended solid filtering box body, a water inlet pipe is arranged in one side of the suspended solid filtering box body, the water inlet pipe is communicated with the interior of the suspended solid filtering box body, a suspended solid cleaning device is arranged in the suspended solid filtering box body, and the water inlet pipe is communicated with the interior of the suspended solid filtering box body. A water outlet pipe is arranged on the far side of the suspended solid filtering box body, the water outlet pipe is in through connection with the interior of the suspended solid filtering box body, the water outlet pipe is fixedly connected with a centrifugal extraction box body through a water pipe, and a centrifugal extraction device is arranged in the centrifugal extracti