TH25484Y - Aluminum melting furnaces and the processes for producing molten aluminum using such furnaces. - Google Patents

Abstract

------23/01/2568------(OCR) OCR 10KL Aluminum melting furnace and the process of producing molten aluminum using such aluminum melting furnace, where the aluminum melting furnace (1) consists of a melting chamber (2) for receiving aluminum ingots, a first combustion device (3) for melting aluminum ingots into molten aluminum, a waiting room (4) for receiving molten aluminum from melting chamber (2) and maintaining the temperature of the molten aluminum at a specified temperature, a lid (5) for opening or closing waiting room (4), and a second combustion device (6) for heating the molten aluminum in waiting room (4), where the distance between the ceiling of waiting room (4) and the floor of waiting room (4) does not exceed 600 millimeters and the second combustion device (6) is a near-field heating device. Furthermore, the process of producing molten aluminum using an aluminum melting furnace (1) consists of the following steps: a) placing aluminum ingots into the melting chamber (2); b) melting the aluminum ingots in the melting chamber (2) until the aluminum ingots become molten aluminum; c) heating the molten aluminum in the waiting room (4) using a second combustion device. ------------ The aluminum melting furnace (1) consists of: a melting chamber (2) for receiving aluminum ingots; a first combustion device (3) for melting the aluminum ingots into molten aluminum; a waiting room (4) for receiving molten aluminum from the melting chamber (2) and maintaining the temperature of the molten aluminum at a specified temperature; a lid (5) for opening or closing the waiting room (4); and a second combustion device (6) for heating the molten aluminum in the waiting room (4), where the aluminum melting furnace (1) has a distance between the ceiling of the waiting room (4) and the floor of the waiting room (4) not exceeding 600 millimeters, and the second combustion device (6) is a close-range heating device.

Claims (4)

------23/01/2568------(OCR) OCR 10KL1. Aluminum melting furnace and the process of producing molten aluminum using the aluminum melting furnace. The aluminum melting furnace (1) consists of: a melting chamber (2) for receiving aluminum ingots and waiting for melting; a first combustion device (3) is placed above the melting chamber (2) for melting the aluminum ingots inside the melting chamber (2) into molten aluminum; a waiting room (4) is connected to the end of the melting chamber (2) for receiving molten aluminum from the melting chamber (2) and maintaining the temperature of the molten aluminum at a specified temperature; a lid (5) is placed on top of the waiting room (4) for opening or closing the waiting room (4); a second combustion device (6) is placed at the lid (5) for heating the molten aluminum in the waiting room (4) to maintain or prevent the temperature of the molten aluminum in the waiting room (4) from dropping below a specified temperature, which has the following characteristics: Aluminum melting furnace (1) shall have a distance between the ceiling of the waiting room (4) and the floor of the waiting room (4) not exceeding 600 mm and the second combustion device (6) shall be a near-field heating device.2. Aluminum melting furnace (1) as specified in one of the provisions of Requisition 1, in which the waiting room (4) shall have a control unit that maintains the distance between the lid (5) and the surface of the molten aluminum in the waiting room (4) to be in the range of 100 mm - 300 mm.3. The process of producing molten aluminum using the aluminum melting furnace (1) as specified in Requisition 1 or 2 shall consist of the following steps:a) placing the aluminum ingots into the melting chamber (2);b) melting the aluminum ingots in the melting chamber (2) until the aluminum ingots become molten aluminum;c) heating the molten aluminum in the waiting room (4) using the second combustion device (6), controlling the second combustion device to maintain the percentage of oxygen concentration in the waiting room (4) to be greater than 5% and less than or equal to 10%4. The process of producing molten aluminum using an aluminum smelting furnace (1) as specified in claim 3, where the percentage concentration of oxygen is 6% - 8% ------------ 1. The aluminum melting furnace (1) consists of: a melting chamber (2) for receiving aluminum ingots and waiting for melting; a first combustion device (3) placed above the melting chamber (2) for melting the aluminum ingots inside the melting chamber (2) into molten aluminum; a waiting room (4) connected to the end of the melting chamber (2) for receiving the molten aluminum from the melting chamber (2) and maintaining its temperature at a specified value; a lid (5) placed on top of the waiting room (4) for opening or closing the waiting room (4); a second combustion device (6) placed at the lid (5) for heating the molten aluminum in the waiting room (4) to maintain or prevent its temperature from dropping below a specified value. Specifically, the aluminum melting furnace (1) has a distance between the ceiling of the waiting room (4) and the floor of the waiting room (4) of no more than 600 millimeters, and the second combustion device (6) is a proximity heating device. 2. Aluminum melting furnace (1) as specified in any of the claims in I, where the waiting room (4) has a control unit that maintains the distance between the lid (5) and the surface of the molten aluminum in the waiting room (4) to be in the range of 100 mm - 300 mm. 3. The process of producing molten aluminum using the aluminum melting furnace (1) as specified in claim 1 or 2 consists of the following steps: a) placing the aluminum ingots into the melting chamber (2); b) melting the aluminum ingots in the melting chamber (2) until the ingots become molten aluminum; c) heating the molten aluminum in the waiting room (4) using a second combustion device (6), controlling the second combustion device to maintain the percentage concentration of oxygen in the waiting room (4) at or above 5% and less than or equal to 10%. 4. The process of producing molten aluminum using an aluminum melting furnace (1) as specified in Claim 3, where the percentage concentration of oxygen is 6% - 8%.