Cover mud sucking and desilting equipment and application method thereof

The invention discloses cover mud sucking and desilting equipment. The cover mud sucking and desilting equipment is characterized in that a double-body mud sucking ship is arranged on a desilted water surface; a mud sucking cover is pulled and hung by lifting equipment on two ship heads of the double-body mud sucking ship by steel wire ropes; three mud sucking pipes are arranged on the mud sucking cover; and the mud sucking pipes are connected with a slurry pump or a siphon device by a bracket on the double-body mud sucking ship. Multiple water inlets are formed in the lower part of the mud sucking cover; a water pressing plate on the top edges of the water inlets in the mud sucking cover; rake teeth are on the bottom surface of a skirt edge plate of the mud sucking cover; ground touch sensors are respectively mounted at the bottoms of four inner corners of the mud sucking cover; the mud sucking cover can suck water bottom sediments during moving and loosening, and monitors the mud sucking conditions in real