Bottom sediment recovery facility and bottom sediment recovery method

摘要

Problem to be solved: to provide a bottom sediment recovery facility and a bottom sediment recovery method capable of suppressing the elution amount of metal from the bottom sediment and reducing the size of the equipment.Suction tube (21) andSedimentation tank (11) andSolid liquid separation tankThe first connecting pipe (23a) andThe second connecting pipeThe third connecting pipe (23c) andThe fourth connecting pipeThe fifth connecting pipeThe first three way valve (50) andThe second three-way valve (51) andAn opening / closing valveBottom sediment recovery facilityAnd the method of collecting bottom sediment using this method.Diagram