Pretreatment device for residues in municipal sewage

The utility model discloses a device for treating residues in municipal sewage in advance, which belongs to the field of municipal sewage and comprises a workbench, a filter vat fixedly mounted in the middle of the workbench, a support fixedly mounted on the side of the workbench, and a first hydraulic cylinder fixedly mounted on the upper portion of the support. A second hydraulic cylinder is fixedly installed on the upper portion of the support, an upper pressing plate is fixedly installed on the first hydraulic cylinder, a lower pressing plate is fixedly installed on the second hydraulic cylinder, part of sewage is introduced into the filtering barrel through the electric valve, the electric valve is closed, the upper pressing plate slowly moves downwards to extrude the lower pressing plate in the filtering barrel, and then the sewage is filtered out. Sewage is filtered through the filtering holes in the side face, so that the filtering speed of the sewage is higher, filtered residues are squeezed into cak