Combined dust falling device

A combined dust falling device comprises a connecting pipe, pipeline connectors are arranged at the two ends of the connecting pipe, the connecting pipe is connected with a water conveying pipeline through the pipeline connectors, and the connecting pipe is rotationally connected with a drain pipe; a spraying pipe is arranged on the connecting pipe, and a spraying head is arranged at the end of the spraying pipe; and a spraying cylinder is arranged around the spraying head and outside the spraying pipe. The dust falling device is simple in structure, convenient to use, low in manufacturing cost and easy to maintain, solves various problems of existing dust falling equipment through the simple structure, is high in universality due to the flexible assembly mode, and is easy to popularize. And the angle can be adjusted instantly, real-time spraying is matched with the spraying barrel, and the good dust falling effect can be guaranteed. 一种组合式降尘装置，包括连接管，其两端为管道接头，连接管通过管道接头与输水管道连接，所述连接管与疏水管连接形式为转动连接；所述连接管上设有喷淋管，所述喷