校友称东北大学学生溺亡事故极其罕见！浮选槽在业内十分通用

Core Viewpoint - The tragic drowning of six students during a visit to a flotation process at a mining facility has raised significant concerns about safety management practices in the industry [1][2]. Industry Overview - Flotation method is a well-established technique in the non-ferrous metal mining sector, with flotation machines being commonly used across the industry [1]. - The flotation process involves crushing and grinding ore into smaller particles, which are then mixed with reagents to separate metals from the ore [1]. Incident Details - The incident occurred on July 23, when the students fell into a flotation tank due to the collapse of a grating board [1]. - The flotation equipment at the involved copper-molybdenum mine is described as relatively large, with particularly large flotation tanks [1]. Safety Concerns - Industry insiders expressed disbelief at the occurrence of such an accident, noting that it is extremely rare and previously unheard of [2]. - Standard safety protocols exist for personnel working near flotation machines, including wearing safety helmets and maintaining distance from certain areas [2]. - The incident has prompted discussions about potential oversights in safety management practices at the involved company, possibly due to the rarity of such accidents [2].