US 11,952,291 B2
Device for efficiently recycling nickel in wastewater and method
Wei Guan, Chongqing (CN); Wen Zeng, Chongqing (CN); Zhongwen Ou, Chongqing (CN); Dan Song, Chongqing (CN); Subo Yang, Chongqing (CN); Yong Zhang, Chongqing (CN); Bitao Liu, Chongqing (CN); and Zhigang Xie, Chongqing (CN)
Assigned to Chongqing University Of Arts And Sciences, Chongqing (CN)
Filed by Chongqing University of Arts and Sciences, Chongqing (CN)
Filed on Mar. 30, 2023, as Appl. No. 18/193,318.
Claims priority of application No. 202210371810.2 (CN), filed on Apr. 11, 2022; and application No. 2022-107406 (JP), filed on Jul. 1, 2022.
Prior Publication US 2023/0322583 A1, Oct. 12, 2023
Int. Cl. C02F 1/26 (2023.01); C02F 1/461 (2023.01); C02F 1/66 (2023.01); C25C 1/08 (2006.01); C25C 7/02 (2006.01); C02F 101/20 (2006.01); C02F 103/16 (2006.01)
CPC C02F 1/26 (2013.01) [C02F 1/46109 (2013.01); C02F 1/66 (2013.01); C25C 1/08 (2013.01); C25C 7/02 (2013.01); C02F 2001/46133 (2013.01); C02F 2101/20 (2013.01); C02F 2103/16 (2013.01); C02F 2201/005 (2013.01); C02F 2201/46135 (2013.01); C02F 2201/4614 (2013.01); C02F 2201/46145 (2013.01); C02F 2201/4615 (2013.01); C02F 2209/06 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A device for efficiently recycling nickel from wastewater, comprising a housing (1), and an extraction unit (2) and an electro-deposition unit (3) which are respectively arranged inside the housing (1), wherein
the housing (1) comprises a housing body (11), and a baffle plate (12) which is arranged inside the housing body (11) and divides the housing body (11) into an extraction cavity (13) and an electro-deposition cavity (14) from top to bottom; liquid mixing equipment connected to an external nickel-containing wastewater tank and a composite extraction agent is arranged at an upper end of the housing body (11); the baffle plate (12) comprises a funnel-shaped baffle plate body, and a connection pipe which is arranged at a lower end of the baffle plate body and is used for connecting the extraction cavity (13) with the electro-deposition cavity (14); a first discharge outlet (130) is formed in a top of the extraction cavity (13); a second discharge outlet (140) is formed in a bottom of the electro-deposition cavity (14); the first discharge outlet (130), the second discharge outlet (140) and the connection pipe are all provided with electromagnetic valves; the electro-deposition cavity (14) is provided with liquid adding equipment and a liquid measurement component (15);
the liquid measurement component (15) comprises a sensing connection rod (151), a floating ball (152) movably arranged on the sensing connection rod (151), a signal converter (153) arranged at one end of the sensing connection rod (151) and located at the bottom of the electro-deposition cavity (14), and a display instrument connected to the signal converter (153);
the extraction unit (2) comprises an oscillating and floating component (21) arranged in the extraction cavity (13), a rotating component (22) arranged at an oscillating and floating end of the oscillating and floating component (21), and a liquid inlet component (23) arranged above the rotating component (22);
the oscillating and floating component (21) comprises an expansible and contractible module (211) mounted in the extraction cavity (13), and a mounting seat (212) arranged at an expansible and contractible end of the expansible and contractible module (211) and used for mounting the rotating component (22);
the mounting seat (212) comprises a mounting seat body (2121), a V-shaped cutting assembly (2122) with one end arranged on the mounting seat body (2121), an oscillating and floating ring (2123) connected to the other end of the V-shaped cutting assembly (2122), a floating ring (2124) connected to the oscillating and floating ring (2123) through a steel rope, and an oscillating and floating ball assembly (2125) hung on the floating ring (2124) through a steel rope;
the liquid inlet component (23) comprises a temporary liquid storage cavity (231) arranged on the rotating component (22), and a liquid spraying component (232) arranged on the temporary liquid storage cavity (231); the liquid spraying component (232) comprises a communication pipe (2321), of which, one end is mounted on the temporary liquid storage cavity (231) and an upper surface is provided with a liquid leaking hole, and an end pipe (2322) arranged at the other end of the communication pipe (2321) and provided with a liquid leaking hole in a side surface; the temporary liquid storage cavity (231) is connected with the liquid mixing equipment; and
the electro-deposition unit (3) comprises a cathode assembly (31) arranged inside the electro-deposition cavity (14) through a first mounting unit, and an anode assembly (32) mounted inside the electro-deposition cavity (14) through a second mounting unit and located on an outer side of the cathode assembly (31).