Aluminum water transfer bag is a transfer equipment in the aluminum melting workshop, which receives aluminum water from rotary furnaces, centralized aluminum melting furnaces, and crucible insulation furnaces, and transfers it to the ingot casting line, degassing furnace, and die-casting machine. It is divided into two categories: open pouring bag and teapot type slag blocking transfer bag, and is used in conjunction with a baking bag preheating device. It is a necessary accessory for the melting and casting production line.