A liquid-discharging partition for a dryer, the liquid-discharging partition having: a liquid guide groove having an inlet and an outlet, the inlet and the outlet being defined at two ends of the liquid guide groove in a length direction of the liquid guide groove, respectively; and a diffluent groove defined on at least one side of the liquid guide groove in a width direction of the liquid guide groove, the diffluent groove being in communication with the liquid guide groove through at least one liquid passing opening; a plate body; a liquid guide portion arranged on a side surface of the plate body, wherein the liquid guide groove is defined between the liquid guide portion and the plate body; and a diffluent portion arranged on a side surface of the plate body, wherein the diffluent groove is defined by the plate body and the diffluent portion, and/or the diffluent groove is defined by the plate body, the liquid guide portion, and the diffluent portion; the liquid-discharging partition further comprising: at least one first liquid retaining rib arranged on the plate body and located within the diffluent groove, wherein the at least one first liquid retaining rib is spaced apart from the liquid guide portion; characterised in that the liquid-discharging partition further comprises: a second liquid retaining rib arranged on the plate body and located within the diffluent groove, wherein the second liquid retaining rib is spaced apart from the liquid guide portion and connected to the at least one first liquid retaining rib, and wherein on a plane parallel to the plate body, an extending direction of the second liquid retaining rib is not parallel to an extending direction of each of the at least one first liquid retaining rib. a liquid guide groove having an inlet and an outlet, the inlet and the outlet being defined at two ends of the liquid guide groove in a length direction of the liquid guide groove, respectively; and a diffluent groove defined on at least one side of the liquid guide groove in a width direction of the liquid guide groove, the diffluent groove being in communication with the liquid guide groove through at least one liquid passing opening; a plate body; a liquid guide portion arranged on a side surface of the plate body, wherein the liquid guide groove is defined between the liquid guide portion and the plate body; and a diffluent portion arranged on a side surface of the plate body, wherein the diffluent groove is defined by the plate body and the diffluent portion, and/or the diffluent groove is defined by the plate body, the liquid guide portion, and the diffluent portion; the liquid-discharging partition further comprising: at least one first liquid retaining rib arranged on the plate body and located within the diffluent groove, wherein the at least one first liquid retaining rib is spaced apart from the liquid guide portion; characterised in that the liquid-discharging partition further comprises: a second liquid retaining rib arranged on the plate body and located within the diffluent groove, wherein the second liquid retaining rib is spaced apart from the liquid guide portion and connected to the at least one first liquid retaining rib, and wherein on a plane parallel to the plate body, an extending direction of the second liquid retaining rib is not parallel to an extending direction of each of the at least one first liquid retaining rib. at least one first liquid retaining rib arranged on the plate body and located within the diffluent groove, wherein the at least one first liquid retaining rib is spaced apart from the liquid guide portion; characterised in that the liquid-discharging partition further comprises: a second liquid retaining rib arranged on the plate body and located within the diffluent groove, wherein the second liquid retaining rib is spaced apart from the liquid guide portion and connected to the at least one first liquid retaining rib, and wherein on a plane parallel to the plate body, an extending direction of the second liquid retaining rib is not parallel to an extending direction of each of the at least one first liquid retaining rib.