Fabricated blind ditch

The utility model provides an assembly type blind ditch which is characterized in that the assembly type blind ditch comprises a frame body, outer separation nets are arranged on the four sides and the bottom face of the frame body, an inner separation net is arranged in the frame body and divides the frame body into an inner cavity and an outer cavity, an inner inverted filter module is arranged in the inner cavity, and an outer inverted filter module is arranged in the outer cavity. The inverted filter is divided into the plurality of prefabricated modules, the plurality of prefabricated modules are combined in the frame body to form the module units, and the plurality of module units are hoisted to form the blind ditch at one time during construction, so that the defects of poor construction environment, complex process and poor construction quality are overcome. 本实用新型提供了一种装配式盲沟，其特征在于，包括架体，所述架体的四侧和底面设置有外隔网，所述架体内设置有内隔网，将架体分为内腔和外腔，所述内腔设置有内反滤模块，外腔设置有外反滤模块。本实用新型将反滤层分为多个预制模块，多个预制模块组合在架体中形成模块单元，施工时将多个模块单元吊装一次成型盲