Molten-metal transferring ladle and molten-metal tapping method
A technology for molten metal and ladles, which is applied to equipment for supplying molten metal, equipment for feeding molten metal into molds, metal processing equipment, etc. Completely prevent problems such as opening clogging, and achieve the effect of increasing the gas circulation area
Inactive Publication Date: 2008-02-13
NIPPON CRUCIBLE CO LTD TOKIO TOKYO +1
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Problems solved by technology
However, it cannot be said that the clogging of the opening is completely prevented, considering that the clogging may be caused by the condition of the road surface, the type of conveyance (such as a truck), the amount of molten metal, etc.
Blockage of the opening 112 hinders the outflow of the molten metal and, in the worst case, makes it difficult to pour out the molten metal
Method used
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[0043] A molten metal transfer ladle according to an embodiment of the present invention will be described below with reference to the accompanying drawings. In each drawing, the same or similar parts are denoted by the same reference numerals, and descriptions thereof will be omitted.
[0044] The molten metal transfer ladle of the present invention refers to a pressurized discharge type ladle for transferring molten metal. According to one embodiment, the configuration of its main part is almost the same as that of a conventional pressurized discharge type ladle for transferring molten metal. More specifically, the difference lies in the construction of the work cover, so the work cover is mainly explained in detail.
[0045] As shown in Fig. 14, the main parts of the pressurized discharge type ladle for transferring molten metal include: a ladle body 101 containing molten metal; a top cover 102 covering the top opening of the ladle body; An openable and closable work cove...
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Abstract
A molten metal-transporting ladle of a pressure tapping type has a ladle body for receiving molten metal, an upper lid for covering an upper end opening portion of the ladle body, a lid for work openably covering an opening portion formed in a part of the upper lid, and a tapping portion extending from a lower end portion of the ladle body to above the ladle body. The lid (1) for work has lid bodies (13a, 13b) covering from the above the opening portion in the upper lid, a gas-introducing portion (11) provided in the top surface of the lid bodies (13a, 13b), and a heat-resistant layer provided inside the lid for work. The heat-resistant layer is constituted of an air-permeable fire-resistant material layer (12). A gas pressurizing the inside of the ladle body is introduced from the gas-introducing portion (11) into the ladle body through the air-permeable fire-resistant material layer (12). A heat-insulating material layer having an air-permeable heat-insulating material layer or a gas-circulating portion can be included between the air-permeable fire-resistant material layer (12) and the gas-introducing portion (11).
Description
technical field [0001] The present invention relates to a pressurized discharge type ladle for transferring molten metal and a ladle for transferring and supplying molten metal such as molten aluminum to a molten metal holding furnace placed in molten metal casting equipment Metal out method. Background technique [0002] In manufacturing aluminum or aluminum alloy castings by the die casting method, the casting is generally performed in a factory equipped with many die casting facilities in order to increase productivity. Molten metal is supplied to the die casting apparatus by transferring molten metal from a molten metal holding furnace into a molten metal ladle and then supplying metal from the molten metal ladle. Since it is always necessary to maintain a predetermined amount of molten metal in the molten metal holding furnace, molten metal obtained from a furnace located in the factory or molten metal obtained from outside the factory is continuously supplied into the...
Claims
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IPC IPC(8): B22D39/06B22D35/00B22D41/12B22D41/00
Inventor 宇梶文治小川宪治松本利之西平贺炯向井克喜
Owner NIPPON CRUCIBLE CO LTD TOKIO TOKYO