Water absorption expansion bag

The utility model aims to provide the water-absorbing expansion bag which is simple in structure and is provided with the separation net structure. The high-molecular water-absorbent resin packaging bag comprises an outer bag and an inner bag, the inner bag is connected inside the outer bag, the longitudinal section inside the inner bag is connected with three groups of grid structures at equal intervals, a plurality of high-molecular water-absorbent resin particles are uniformly filled inside the inner bag, and gaps of the grid structures are smaller than the diameters of the high-molecular water-absorbent resin particles. The anti-flood plugging device is applied to the technical field of anti-flood plugging. 本实用新型旨在提供一种结构简单、具有隔网结构的吸水膨胀袋。本实用新型包括外袋和内袋，所述内袋连接在所述外袋的内部，所述内袋内部的纵截面等距连接有三组格网结构，所述内袋的内部均匀填充有若干高分子吸水树脂颗粒，所述格网结构的间隙小于所述高分子吸水树脂颗粒的直径大小。本实用新型应用于防洪堵漏的技术领域。