Dedusting device for constructional engineering

The utility model discloses a dust removal device for constructional engineering, and relates to the technical field of constructional engineering, the dust removal device comprises a dust removal device main body, the dust removal device main body comprises a water tank, the top of the water tank is fixedly connected with a water pump, one side of the water tank is fixedly connected with a water inlet mechanism, and the top of one side of the water tank is fixedly connected with a rotating mechanism. Through cooperation of the fixing rod, the first moving pipe, the first fixing bolt, the second moving pipe, the second fixing bolt and the telescopic pipe, the length of the telescopic water spraying rod is extended by moving the first moving pipe in the fixing rod, and the length of the telescopic pipe is lengthened; and meanwhile, water in a water pump is conveyed to one end of a telescopic water spraying rod through a telescopic pipe to be sprayed out in a mist shape, dust in the air is removed, the position