Collection gallery structure with special reversed filter body

The utility model discloses collection gallery structure with special reversed filter body relates to water intaking engineering field. Its purpose is that a filter effect is good in order to provide, the wholeness by force, conveniently overhaul, be convenient for to dredge desilting, collection gallery structure with special reversed filter body with low costs. The utility model discloses collection gallery structure with special reversed filter body, enclose the collection gallery who covers including laid dry work stone layer, composite fabric layer has been laid in the laid dry work stone layer outside, the boulder bed has been laid in composite fabric layer's the outside, the gravel layer has been laid in the boulder bed outside, laid dry work stone layer composite fabric layer the boulder bed with reversed filter body is constituteed to the gravel layer, the backfilling sand gravel bed has been laid around the reversed filter body. 本实用新型具有特殊反滤体的集水廊道结构涉及取水工程领域。其目的是为了提供种过滤效果好、整体性强、方便检修、便于疏浚清淤、成本低的具有特殊反滤体