US 11,795,522 B2
Aluminum-based ultra-thin launder
Huanan Teng, Shenyang (CN)
Assigned to Shenyang Hengtaixinyuan Casting Refractories Co., Ltd., Shenyang (CN)
Filed by Shenyang Hengtaixinyuan Casting Refractories Co., Ltd., Shenyang (CN)
Filed on Sep. 21, 2020, as Appl. No. 17/26,757.
Claims priority of application No. 201910916152.9 (CN), filed on Sep. 26, 2019.
Prior Publication US 2021/0095359 A1, Apr. 1, 2021
Int. Cl. C22B 5/02 (2006.01)
CPC C22B 5/02 (2013.01) 11 Claims
OG exemplary drawing
 
1. An ultra-thin launder, comprising a body and the body has segments each having a wall thickness of 12 mm to 25 mm, wherein the segments comprise a launder inlet, a first launder, a second launder and a launder outlet that are connected in sequence; the launder inlet comprises a buffer zone and a direct-flow zone, an engaging groove is disposed in the direct-flow zone, and a filter plate is disposed in the engaging groove;
wherein, the body of the launder has a layered structure disposed with a refractory layer, a transition layer, a reinforcement layer and a protective layer in sequence from inside to outside; and the layered structure is prepared by coating.