Aluminum liquid online degassing device

A technology of gas device and molten aluminum, applied in the field of on-line degassing device of molten aluminum, can solve the problems of high price and easy damage of graphite rotor, and achieve the effects of no maintenance, cost saving and long service life.

Pending Publication Date: 2020-06-26

苏州中联众信热能科技有限公司

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AI-Extracted Technical Summary

Problems solved by technology

This graphite rotor is often easily damaged and expensive, ...

Abstract

The invention discloses an aluminum liquid online degassing device. The degassing device comprises a degassing unit and a gas distribution unit. The degassing unit comprises a degassing box which is aheat preservation box and comprises a box body and a box cover. The box body is provided with an aluminum inlet and an aluminum outlet which are higher than the liquid level of aluminum liquid in thebox body. The box body is further provided with a gas inlet lower than the liquid level of the aluminum liquid in the box body, the gas inlet is provided with air bricks, and the gas distribution unit communicates with the gas inlet. According to the aluminum liquid online degassing device, the degassing box is provided with the gas inlet lower than the liquid level of the aluminum liquid in thebox body, the gas inlet is provided with the air bricks, under the condition that gas is introduced, the aluminum liquid cannot leak, and meanwhile, the aluminum liquid can make full contact with thegas in the aluminum liquid. The device is simple in structure, unique in design, good in degassing effect and long in service life. A mechanical transmission device is not arranged, maintenance is notneeded, spare parts are not needed, and the use cost can be reduced. Meanwhile, the flow of the introduced gas can be controlled.

Technology Topic

PhysicsEngineering +4

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Experimental program(1)

Example Embodiment

[0020] Example one

[0021] See figure 1 with figure 2 As shown in the illustration, an online degassing device for molten aluminum includes a degassing unit 100 and a gas distribution unit 200. The degassing unit 100 includes a degassing box, which is an incubator, which includes a box body 110 and The box cover 120, the box body 110 is provided with an aluminum inlet 111 and an aluminum outlet 112 which are higher than the inner liquid level of aluminum, and the box body 110 is also provided with an air inlet lower than the inner liquid level of aluminum. The air port is provided with a breathable brick 113, and the gas distribution unit 200 is in communication with the air inlet.

[0022] In the preferred implementation of this embodiment, the aluminum inlet 111 and the aluminum outlet 112 are provided on the side wall of the box 110, and the air inlet is provided on the bottom wall of the box 110.

[0023] In a preferred implementation of this embodiment, the gas distribution unit 200 includes a gas source (not shown in the figure) and a flow adjustment system (not shown in the figure), and the gas source, the flow adjustment system and the degassing box are connected in sequence.

[0024] In a preferred implementation of this embodiment, the box body 110 includes a non-stick aluminum liner 101, a first steel shell 102, and a first thermal insulation layer 103. The non-stick aluminum liner 101 and the first steel shell 102 are arranged inside and outside. An insulation layer 103 is provided between the non-stick aluminum liner 101 and the first steel shell 102. The box cover 120 includes a second steel shell 104 and a second insulation layer 105. The second insulation layer 105 is provided on the second steel shell. Inside the housing 104.

[0025] In the preferred implementation of this embodiment, the non-stick aluminum liner 101 is a cast liner, and each of the first steel housing 102 and the second steel housing 104 includes section steel (not shown in the figure) and is fixed to The steel plate on the profiled steel (not shown in the figure), the first insulation layer 103 and the second insulation layer 105 are both insulation fiberboards.

[0026] The preferred implementation in this embodiment further includes a heating unit. The heating unit includes a heating component 310 and a temperature measuring component 320 arranged in the degassing box and fixed on the cover 120. The heating component 310 and the temperature measuring component 320 are combined with one another. The electrical control system 330 is connected.

[0027] In the preferred implementation of this embodiment, the heating component 310 is a silicon carbide rod, and the temperature measuring component 320 is a thermocouple.

[0028] In the preferred implementation of this embodiment, the electrical control system 330 adopts a silicon controlled rectifier.

[0029] In the preferred implementation of this embodiment, the side wall of the box body 110 is further provided with an emptying port close to the bottom wall thereof, and the emptying port is provided with a plug member.

[0030] In the preferred implementation of this embodiment, the plug component includes a plug 114 and a fiber cap 115 covered on the plug 114.

[0031] In the above, the box body and the box cover are fixed by connecting bolts; the gas distribution unit is connected to the ventilating brick at the bottom of the degassing box through a stainless steel pipe; the electrical control system controls the temperature inside the degassing box. The gas that the permeable brick can pass is N2, Ar2, Cl2. The gas distribution unit can control the flow of gas through the breathable brick. The temperature control of the electrical control system adopts thyristor power adjustment.

[0032] The present invention provides an online degassing device for molten aluminum. The specific implementation steps are as follows:

[0033] First make the first steel shell, weld the section steel and steel plate into a whole with one side open, and then spread the fiber insulation board and cast the non-stick aluminum castable inside the first steel shell, and install the breathable bricks and plug components at the same time , Then install the pre-made box cover on the box body, connect the ventilating brick and the gas distribution unit with a stainless steel pipe, and connect the heating component and the temperature measurement component with the electrical control system with a cable. Complete the manufacture and installation of an online degassing device for molten aluminum.

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Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

Simple structure
unique design

Aluminum liquid online degassing device

A technology of gas device and molten aluminum, applied in the field of on-line degassing device of molten aluminum, can solve the problems of high price and easy damage of graphite rotor, and achieve the effects of no maintenance, cost saving and long service life.

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

PUM

Description & Claims & Application Information

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