1results about How to "Reduce gap size" patented technology

The application relates to the technical field of electroplating, and discloses an electroplating wastewater evaporation crystallization device. The application comprises an evaporation barrel and a cooling pipe, and the electroplating wastewater evaporation crystallization device comprises a steam pipe, a reflux pipe, an evaporation mechanism and a filtering mechanism; the steam pipe is arranged on the evaporation barrel, and the reflux pipe is arranged at the lower end of the evaporation barrel; the evaporation mechanism comprises an inner barrel, a spiral plate, a heating rod and a crushing shaft; the inner barrel is arranged in the evaporation barrel; the spiral plate is rotationally arranged in the inner barrel; the heating rod is arranged in the spiral plate; and the crushing shaft is fixedly connected with the heating rod. The electroplating wastewater evaporation crystallization device is provided with a water tank; an inner tank is arranged in the water tank; a plurality of sliding grooves are arranged on the inner wall of the inner tank in an array; a filtering frame is slidably arranged in the sliding grooves; and filtering materials with different materials are arranged in the filtering frame and used for filtering the liquid to remove impurities.