Multi-stage rainwater purification device for sponge city

The utility model provides a sponge city multi-stage rainwater purification device. The sponge city multi-stage rainwater purification device comprises a purification box; the collecting box is fixedly mounted on one side of the purifying box; the replacement opening is formed in one side of the purification box; the cleaning opening is formed in one side of the collecting box; the filtering mechanism is arranged on the purifying box; and the purification mechanism is arranged on the purification box, and the purification mechanism is used for purifying the rainwater. The sponge city multi-stage rainwater purification device provided by the utility model has the advantages that garbage on the filter screen can be conveniently and intensively collected and cleaned, the rainwater purification module is more convenient to replace, and the purification effect is better. 本实用新型提供一种海绵城市多级雨水净化装置。所述海绵城市多级雨水净化装置包括：净化箱；收集箱，所述收集箱固定安装在所述净化箱的一侧；置换开口，所述置换开口开设在所述净化箱的一侧；清理开口，所述清理开口开设在所述收集箱的一侧；过滤机构，所述过滤机构设置在所述净化箱上；净化机构，所述净化机构设