Hot roll for hot rolling of filter cloth

The utility model aims to provide a hot roll for hot rolling of filter cloth, which comprises a main roll body and flanges connected to two sides of the main roll body, a liquid inlet pipeline and a liquid outlet pipeline which are inserted into an inner cavity of the main roll body are respectively arranged in the flanges on the two sides, an inner pipeline is arranged on the inner side of the main roll body, and an outer pipeline is arranged on the outer side of the main roll body. A clamping cavity is formed between the inner pipeline and the main roller body, and the liquid inlet pipeline vertically and/or obliquely conveys hot oil into the clamping cavity through a liquid conveying pipe in a multi-channel mode. The utility model relates to the technical field of non-woven fabric processing equipment, through the clamping cavity formed by the inner pipeline additionally arranged in the main roller body, the clamping cavity can be filled with less oil to participate in heat exchange with the main roller bo