Spraying system with adjustable nozzle position for washing tower

The invention discloses a spray system with adjustable nozzle position for a washing tower, the spray system comprises a spray main pipe arranged along the radial direction of the washing tower and a plurality of groups of spray branch pipes which are vertical to the spray main pipe and are horizontally arranged, and the length of the spray branch pipes is matched with the inner diameter of the washing tower; the spraying main pipe comprises a storage pipe body and a plurality of telescopic pipe joints which are sequentially sleeved in a contractible manner; any spraying branch pipe is fixedly connected with the storage pipe body or the telescopic pipe joint, and a plurality of groups of nozzles are respectively arranged along the two sides of the spraying main pipe and the spraying branch pipes or below the spraying main pipe and the spraying branch pipes; a transmission mechanism and an execution mechanism in transmission connection with the transmission mechanism are matched with the spraying main pipe, th