Deep dehydration system for sludge

The utility model provides a deep dehydration system for sludge. The deep dehydration system for the sludge comprises a modifying device and also comprises a conveying device, a container, a driving device and a filter pressing device, wherein the inlet end of the conveying device is communicated with the modifying device; the outlet end of the conveying device is communicated with the container and the filter pressing device; the container is provided with a plug; the outlet of the container is communicated with the modifying device and the filter pressing device; the driving device is used for driving the piston to move inside the container; the filter pressing device comprises at least two overlapped chamber bodies, wherein the volume of each chamber body is kept same. The deep dehydration system disclosed by the utility model has the advantages of high dehydration rate, short production period, long service life and the like.