2results about How to "Speed up replacement" patented technology

The utility model provides an energy -saving civil air defence air circulation device belongs to civil air defence engineering field, including solution storehouse and bottom disc, the bottom disc fixed connection is in the bottom of solution storehouse, the surface of solution storehouse is provided with air inlet subassembly, the surface of air inlet subassembly is provided with air outlet subassembly, air inlet subassembly includes movable bin, air inlet pipe, filter plate, fan, contraction pipe, motor, pivot, resist plate no.

The application discloses a device for preparing high-purity copper powder and polyaluminum chloride from acid etching waste liquid and an energy-saving co-production process thereof, relates to the technical field of recycling of acid etching waste liquid, and comprises a supporting base, a reaction assembly is arranged on the top of the supporting base, and the reaction assembly comprises a preparation tank body, a sealing cover and an extension rod. In the application, the top of the compression ring is connected with the extension rod and the guide piece, the top of the guide piece is overlapped with the adjusting block through the contact head, the reciprocating movement of the guide rod on the top of the supporting plate can be driven when the cam rotates, the lifting of the guide piece can be driven through the adjusting block, the use height of the compression ring and the guide disc is adjusted, the extrusion of the aluminum sheet is realized, the flow of the waste liquid in and out of the mixing tank is accelerated, the aluminum sheet is stirred through the stirring blade, and the aluminum sheet is fully contacted and reacted with the waste liquid; the filter screen is arranged in the filter box, copper powder in the waste liquid can be quickly separated, copper powder residues in the waste liquid are reduced, and the subsequent centralized recovery of the copper powder is facilitated.