The present invention discloses a new environmental-friendly dust removing device, the new environmental-friendly dust removing device includes a ring seat, a box installed above the ring seat, a telescopic block, an electric connection part and an electric connection head, the electric connection part and the electric connection head are arranged in telescopic block, fixing ring pieces are isometrically arranged on the periphery outside of the ring seat, the fixing ring pieces are internally provided with fixing holes, fixing bolts are arranged in the fixing holes, an inserting groove is arranged in the right side end face of the electric connection part, locking holes are correspondingly arranged in upper and lower inner walls of the inserting groove, sliding connection grooves elongating to two sides penetrate into the locking holes, the electric connection part, at the left side of the inserting groove, is internally provided with a passing and receiving chamber, a blocking piece is arranged between the passing and receiving chamber and a left side elongation section of the sliding connection groove, a first coupling shaft is arranged at the middle end of the passing and receiving chamber, the passing and receiving chamber is internally provided with a second coupling shaft elongating to left and right sides is correspondingly arranged in the passing and receiving chamber at the upper and lower sides of the first coupling shaft, a right side elongation section of the second coupling shaft passes through the blocking piece, and operates to match connection, pushing plates are in matched connection with the sliding connection grooves, the left side end surface of the pushing plate is internally provided with a threaded hole, and the threaded hole is in threaded matched connection with a first spiral rod; the new environmental-friendly dust removing device has the advantages of simple structure, convenient operation, high locking stability and high safety.