US 12,319,978 B2
Sealed cobalt leaching device, reagent for cobalt leaching, method using device, use of method
Yu Zheng, Chongqing (CN); Nian Liu, Jiangsu (CN); Lijuan Cao, Hebei (CN); and Weiming Li, Hubei (CN)
Assigned to Sichuan Jiarui Technology Co., Ltd., Chengdu (CN)
Filed by Sichuan Jiarui Technology Co., Ltd., Sichuan (CN)
Filed on Nov. 20, 2021, as Appl. No. 17/531,710.
Application 17/531,710 is a continuation of application No. PCT/CN2021/098389, filed on Jun. 4, 2021.
Claims priority of application No. 202110086761.3 (CN), filed on Jan. 22, 2021.
Prior Publication US 2022/0235435 A1, Jul. 28, 2022
Int. Cl. C22B 3/00 (2006.01); C22B 3/02 (2006.01); C22B 3/06 (2006.01); C22B 3/10 (2006.01)
CPC C22B 23/0438 (2013.01) [C22B 3/02 (2013.01); C22B 3/065 (2013.01); C22B 3/10 (2013.01); C22B 23/0423 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A sealed cobalt leaching device, comprising a base, a top of which is provided with a first groove, wherein a chemical solution holding tool is provided above the base, a bottom of the chemical solution holding tool is removably connected to the base, a holding through-hole penetrating up and down is formed inside the chemical solution holding tool, a sealing cover is provided above the chemical solution holding tool;
a first circular groove is formed downwards at the top of the base, the first groove is provided at a bottom surface of the first circular groove, the bottom of the chemical solution holding tool is connected to the first circular groove through a thread, a clamping groove, a hinge, or an external fixture;
a second circular groove is formed upwards at a bottom of the sealing cover, the sealing cover and the chemical solution holding tool are connected through a thread, a clamping groove, a hinge, or a external fixture, and the second circular groove and an outer perimeter of the base are connected through a thread, a clamping groove, a hinge, or a external fixture;
wherein a sealing gasket is provided between the chemical solution holding tool and the sealing cover, a bottom surface of the sealing gasket is provided with a sealing bump, the sealing bump and the holding through-hole are in an interference fit, and a tapered chamfer is formed at a top of the holding through-hole.