A kind of aluminum liquid dehydrogenation device
A dehydrogenation and aluminum liquid technology, applied in the field of aluminum processing, can solve the problems of complex operation, high input cost, and huge aluminum liquid dehydrogenation device, and achieve the effects of high efficiency, reduced input cost, and low cost
Active Publication Date: 2017-07-07
佛山金兰铝厂有限公司
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Problems solved by technology
[0004] The present invention intends to provide a liquid aluminum dehydrogenation device to solve the problems that the current aluminum liquid dehydrogenation device is too large, the operation is complicated, and the investment cost of the enterprise is too high
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[0015] The present invention will be described in further detail below by means of specific embodiments:
[0016] The reference signs in the drawings of the description include: dehydrogenation tank 1, top plate 2, side wall 3, stirring shaft 4, leak-proof layer 5, blade 6, motor 7, air outlet 8, air duct 9, air blower 10, inlet A liquid port 11, a liquid outlet 12, a gas separator 13, and a nickel-based alloy layer 14.
[0017] like figure 1 As shown, a liquid aluminum dehydrogenation device includes a sealed dehydrogenation tank 1, the dehydrogenation tank 1 includes a top plate 2 and an annular side wall 3, the top plate 2 is provided with a stirring shaft 4 for stirring the aluminum liquid, and the stirring shaft 4 The contact with the top plate 2 is provided with a leak-proof layer 5, the rotating speed of the stirring shaft 4 is 50r / min, the stirring shaft 4 is provided with multiple groups of blades 6, and the top of the top plate 2 is provided with a motor 7 that driv...
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The invention discloses a molten aluminum dehydrogenation device and aims at solving the problems that an existing molten aluminum dehydrogenation device is too large and complex in operation, and enterprise investment cost is too high. The molten aluminum dehydrogenation device comprises a sealed dehydrogenation tank, the dehydrogenation tank comprises a top plate and an annular side wall, and the top plate is provided with a stirring shaft for stirring molten aluminum. Blades are arranged on the stirring shaft, a motor for driving the stirring shaft to rotate is arranged above the top plate, and the top plate is provided with an exhaust opening. The exhaust opening is connected with an exhaust pipeline, and the exhaust pipeline is connected with an exhaust fan. A liquid inlet is formed in the upper end of the side wall, and a liquid outlet is formed in the lower end of the side wall. Nickel-based alloy layers are arranged on the stirring shaft and the blades, and are tubular, and the nickel-based alloy layers are in threaded connection with the blades and the stirring shaft. The molten aluminum dehydrogenation device is reasonable in design, simple in structure, convenient to operate and low in enterprise investment cost.
Description
technical field [0001] The invention belongs to the technical field of aluminum processing, and in particular relates to a liquid aluminum dehydrogenation device. Background technique [0002] When aluminum alloy is smelted and poured, it will absorb a large amount of hydrogen, and when it is cooled, it will continue to precipitate due to the decrease of solubility. The solubility of hydrogen dissolved in aluminum alloy increases with the increase of alloy liquid temperature, and decreases with the decrease of temperature. When it changes from liquid to solid, the solubility of hydrogen in aluminum alloy decreases by 19 times. Therefore, during the cooling and solidification process of the aluminum alloy liquid, when the hydrogen content exceeds its solubility, it will be precipitated in the form of bubbles. If the hydrogen bubbles formed due to the precipitation of supersaturated hydrogen have no time to float up and discharge, they will form small and scattered pores duri...
Claims
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IPC IPC(8): C22B21/06
CPCC22B21/06C22B21/068
Inventor 何显平舒启燕
Owner 佛山金兰铝厂有限公司