Molten aluminum alloy degassing device

Abstract

The utility model relates to the technical field of melt degassing, and discloses an aluminum alloy melt degassing device which comprises a supporting base, a processing barrel is fixedly connected to the top of the supporting base, and air inlet hoses are fixedly connected to the top and one side of the outer portion of the processing barrel respectively. A driving assembly used for providing power is fixedly connected to the interior of the connection protection shell, a filtering assembly used for purification is slidably connected to the interior of the purification processing box, two connection rotating plates are rotatably connected to the interior of a heating column, and a bubble generator is fixedly connected to the bottom side of the interior of the processing barrel. According to the gas purification device, the driving motor is started to drive the connecting rotating cylinder to rotate, meanwhile, residual gas enters the gas transmission pipe and then enters the purification processing box, the residual gas is adsorbed and filtered, sufficient mixing of the gas is facilitated, the purification speed of the gas is increased, and a better quality standard is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to molten metal degassing technical field especially relates to a kind of aluminium alloy molten metal degassing device. BACKGROUND

[0002] In the smelting process of aluminium alloy, gas is often produced in molten metal, so aluminium alloy molten metal degassing device is more and more important, aluminium alloy molten metal degassing device is a kind of equipment for removing gas impurities in aluminium alloy molten metal, the gas in molten metal will affect the performance and quality of aluminium alloy, so it needs to be effectively removed in the casting process.

[0003] Aluminium alloy molten metal degassing device is mainly composed of supporting base, processing barrel and air inlet hose, molten metal enters the device through processing barrel, and specific gas is blown into molten metal to form bubbles under the help of air inlet hose, and hydrogen and other gases in molten metal are discharged by the rising action of bubbles.

[0004] In the prior art, part of aluminium alloy molten metal degassing device often cannot effectively treat trace amount of residual gas in molten metal, especially in high temperature state, the solubility of gas increases, so that the gas is difficult to be completely removed, so that the residual gas cannot be purified and discharged, which increases the pollution to the environment and affects the quality of aluminium alloy, resulting in pore defects in aluminium alloy products, therefore, an aluminium alloy molten metal degassing device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides an aluminium alloy molten metal degassing device, which aims at improving the problem that part of device in prior art cannot purify residual gas.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] An aluminium alloy molten metal degassing device, comprising a supporting base, a processing barrel is fixedly connected to the top of the supporting base, an air inlet hose is fixedly connected to the top and one side of the processing barrel respectively, a connecting protection shell is fixedly connected to the top of the processing barrel, a driving assembly for providing power is fixedly connected to the inside of the connecting protection shell, a purification processing box is fixedly connected to the top of the supporting base, a filter assembly for purification is slidingly connected to the inside of the purification processing box, a heating column is fixedly connected to the inside of the processing barrel, two connecting rotating plates are rotatably connected to the inside of the heating column, two connecting rotating filter plates are rotatably connected to the inside of the processing barrel, and a bubble generator is fixedly connected to the inside bottom side of the processing barrel.

[0008] Further description of the above technical scheme:

[0009] The driving assembly comprises a driving motor, the driving motor is fixedly connected to the inside of the connecting protection shell, and the output end of the driving motor is fixedly connected with a connecting rotating cylinder.

[0010] As a further description of the above technical solution:

[0011] The filtering assembly comprises double-layer filtering plates, the double-layer filtering plates are slidingly connected to the inside of the purification processing box, the inside of the purification processing box is fixedly connected with double-layer adsorption plates, and the outside of the purification processing box is slidingly connected with two connecting rubber rings.

[0012] As a further description of the above technical solution:

[0013] The top of the supporting base is fixedly connected with a water storage tank, the top inside of the water storage tank is fixedly connected with a water inlet, the top of the water storage tank is fixedly connected with a water pump, and the inside of the water pump is fixedly connected with a water inlet hose.

[0014] As a further description of the above technical solution:

[0015] The water inlet end of the water inlet hose is fixedly connected to the inside of the water storage tank, and the water conveying end of the water inlet hose is fixedly connected to the top inside of the processing barrel.

[0016] As a further description of the above technical solution:

[0017] The top of the purification processing box is fixedly connected with a gas suction pump, the outside of the gas suction pump is fixedly connected with a gas transmission pipe, the gas inlet end of the gas transmission pipe is fixedly connected to the top inside of the processing barrel, and the gas outlet end of the gas transmission pipe is fixedly connected to the inside of the purification processing box.

[0018] As a further description of the above technical solution:

[0019] The bottom of the two connecting rotating plates is rotatably connected to the top of the bubble generator, and the bottom of the connecting rotating filtering plate is rotatably connected to the top of the bubble generator.

[0020] As a further description of the above technical solution:

[0021] The outside of the purification processing box is fixedly connected with a gas exhaust pipe, and the outside top side of the connecting rotating cylinder is rotatably connected to the inside of the heating column.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. The utility model discloses a driving connection rotating cylinder is started through the drive motor, drives the rotation of connection rotating board and connection rotating filter board, and the bottom bubble generator produces the bubble simultaneously, and the residual gas enters the inside of gas transmission pipe and then enters the inside of purification processing box, and the residual gas is adsorbed and filtered, and it is helpful to the full mixing of gas and the improvement of the speed of gas purification, reaches better quality standard.

[0024] 2. The utility model discloses a driving connection rotating board and bubble generator rotate, and the inside of heating column is cleaned through the water pump of the water of storage tank simultaneously, avoids the accumulation of dirt and incrustation, prolongs the service life of equipment, guarantees the stability of heating effect simultaneously, improves the efficiency and reliability of equipment operation. DRAWINGS

[0025] Figure 1 It is a kind of aluminum alloy molten metal degassing device's three-dimensional schematic view that the utility model proposes;

[0026] Figure 2 It is the structure schematic view of the drive motor of a kind of aluminum alloy molten metal degassing device that the utility model proposes;

[0027] Figure 3 It is the structure schematic view of the connection protection shell of a kind of aluminum alloy molten metal degassing device that the utility model proposes;

[0028] Figure 4 It is Figure 3 The enlarged view of A in the middle.

[0029] Legend:

[0030] 1, support base;2, processing barrel;3, air inlet hose;4, connection protection shell;5, drive motor;6, connection rotating board;7, connection rotating cylinder;8, bubble generator;9, connection rotating filter board;10, heating column;11, gas transmission pipe;12, air pump;13, purification processing box;14, gas exhaust pipe;15, double-layer filter board;16, double-layer adsorption board;17, connecting rubber ring;18, water inlet hose;19, water pump;20, storage tank;21, water inlet. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0032] Reference Figures 2 to 3 The utility model provides an embodiment: a kind of aluminium alloy melt degassing device, including support pedestal 1, support pedestal 1 is made of high-strength carbon steel material, after special rustproof treatment, surface is sprayed with a layer of anticorrosive rust preventive paint, not only can withstand the weight of entire degassing device, can effectively prevent rust under humid and corrosive environment, ensure the stability and long-term use performance of device, the top of support pedestal 1 is fixedly connected with processing barrel 2, processing barrel 2 is the core area of aluminium alloy melt degassing, it is made of special alloy steel of high temperature resistance, high strength, its internal surface is treated with special polishing, to reduce the adhesion of aluminium alloy melt in barrel wall, improve heat transfer efficiency simultaneously, the top and outside side of processing barrel 2 are fixedly connected with air inlet hose 3 respectively, air inlet hose 3 is used to pass into gas to processing barrel 2, to help remove gaseous impurities in aluminium alloy melt, the top of processing barrel 2 is fixedly connected with connection protective shell 4, connection protective shell 4 is made of aluminium alloy material, which not only ensures sufficient strength, but also reduces overall weight;

[0033] The inside of connection protective shell 4 is fixedly connected with driving assembly for providing power, and the driving assembly includes driving motor 5, the output end of driving motor 5 is connected with connection rotating cylinder 7, to ensure that power can be stably and efficiently transmitted, the driving motor 5 is fixedly connected outside the inside of connection protective shell 4, the output end of driving motor 5 is fixedly connected with connection rotating cylinder 7, two connection rotating plates 6 and the inner sides of two connection rotating filter plates 9 are fixedly connected outside connection rotating cylinder 7, the top of support pedestal 1 is fixedly connected with purification processing box 13, the purification processing box 13 is made of stainless steel material, and the inside is treated with corrosion protection, the inside of purification processing box 13 is slidably connected with filter assembly for purification, the filter assembly includes double-layer filter plate 15, which can further filter small impurities when the remaining gas enters, and perform degassing again, the double-layer filter plate 15 is slidably connected inside the purification processing box 13, the inside of purification processing box 13 is fixedly connected with double-layer adsorption plate 16, the double-layer adsorption plate 16 is made of activated carbon fiber material, has very strong adsorption capacity, can adsorb harmful impurities and odor in gas, the outside of purification processing box 13 is slidably connected with two connection rubber rings 17, the connection rubber ring 17 is used to enhance the sealing property when purification processing box 13 is connected with double-layer filter plate 15 and double-layer adsorption plate 16;

[0034] The inside of the processing barrel 2 is fixedly connected with a heating column 10. The heating column 10 adopts an electric resistance heating mode, and is internally provided with a high-resistance heating wire which is wrapped by a high-temperature-resistant insulating material to ensure safe operation. The heating column 10 is used for heating the aluminum alloy melt to keep it at a suitable temperature, facilitating the degassing operation. The inside of the heating column 10 is rotatably connected with two connecting rotary plates 6. The inside of the processing barrel 2 is rotatably connected with two connecting rotary filter plates 9. The connecting rotary plates 6 and the connecting rotary filter plates 9 are both made of stainless steel, having good corrosion resistance and strength. The connecting rotary plates 6 can stir the aluminum alloy melt under the driving of the driving motor 5, so that the melt is heated more uniformly, and the diffusion of bubbles in the melt is accelerated, improving the degassing efficiency. The inside bottom side of the processing barrel 2 is fixedly connected with a bubble generator 8. The bubble generator 8 is made of microporous ceramic material, and is provided with a large number of small pores on the surface. When gas is introduced into the processing barrel 2, the gas forms small bubbles through the micropores and is uniformly dispersed in the aluminum alloy melt. The bubbles can adsorb the gas impurities in the melt during the rising process, so as to achieve the purpose of degassing.

[0035] With reference to Figure 1 , Figure 4 The top of the supporting base 1 is fixedly connected with a water storage tank 20. The water storage tank 20 is made of plastic material, having the characteristics of light weight, corrosion resistance, etc. The top inner side of the water storage tank 20 is fixedly connected with a water inlet 21. The water inlet 21 is used to supplement the water in the water tank. The top of the water storage tank 20 is fixedly connected with a water pump 19. The inside of the water pump 19 is fixedly connected with a water inlet hose 18. The water inlet end of the water inlet hose 18 is fixedly connected to the inside of the water storage tank 20. The water outlet end of the water inlet hose 18 is fixedly connected to the top inner side of the processing barrel 2. The top of the purification processing tank 13 is fixedly connected with an air pump 12. The air pump 12 is a vacuum air pump 12 which can generate strong suction. The air pump 12 can extract the gas containing impurities in the processing barrel 2 through the gas transmission pipe 11 and transport it to the purification processing tank 13 for purification treatment, so as to better perform degassing. The outside of the air pump 12 is fixedly connected with a gas transmission pipe 11. The gas transmission pipe 11 is made of a high-temperature-resistant and corrosion-resistant metal hose;

[0036] The gas transmission pipe 11 is fixedly connected outside the air suction pump 12, the water suction pump 19 is a centrifugal water pump, has the characteristics of large flow and high lift, and the like. The water inlet hose 18 is fixedly connected inside the water storage tank 20, and the water inlet end of the water inlet hose 18 is fixedly connected inside the water storage tank 20, and the water outlet end is fixedly connected to the inside of the top of the processing barrel 2. The water in the water storage tank 20 is pumped to the processing barrel 2 by the water suction pump 19 for cleaning after processing. The gas inlet end of the gas transmission pipe 11 is fixedly connected to the inside of the top of the processing barrel 2, and the gas outlet end of the gas transmission pipe 11 is fixedly connected to the inside of the purification processing tank 13. The bottom of the two connecting rotating plates 6 is rotatably connected to the top of the bubble generator 8, and the bottom of the connecting rotating filter plate 9 is rotatably connected to the top of the bubble generator 8. The purification processing tank 13 is fixedly connected with the gas exhaust pipe 14, and the outside top side of the connecting rotating cylinder 7 is rotatably connected to the inside of the heating column 10.

[0037] Working principle: first, the aluminum alloy melt is put into the processing barrel 2, the heating column 10 in the barrel heats the melt by resistance heating method, so that it is kept at a suitable temperature, in order to facilitate the subsequent degassing operation, then the air inlet hose 3 introduces gas into the processing barrel 2, the gas forms small bubbles through the bubble generator 8, which are uniformly dispersed in the melt, the bubbles can absorb the gas impurities in the melt during the rising process, so as to realize degassing, at the same time, the driving motor 5 starts, the connecting rotating cylinder 7 drives the connecting rotating plate 6 and the connecting rotating filter plate 9 to rotate, and the melt is stirred to ensure that the melt is heated uniformly and the diffusion of the bubbles is accelerated, which further improves the degassing efficiency. The treated gas is pumped out by the air suction pump 12 and transported to the purification processing tank 13 for subsequent purification treatment. The double-layer filter plate 15 and the double-layer adsorption plate 16 in the purification processing tank 13 further filter and adsorb the small impurities and harmful substances in the gas to ensure that the finally discharged gas meets the purification standard. At the same time, the connecting rubber ring 17 is used to better purify the gas.

[0038] Secondly, the connecting rotating plate 6 and the connecting rotating filter plate 9 rotate inside at the same time, and the water storage tank 20 supplies water to the processing barrel 2 through the water suction pump 19 to clean after processing, and the water used is supplied from the water inlet 21 to ensure the continuous and efficient operation of the device. Finally, the purified gas is discharged through the gas exhaust pipe 14, and the degassing process of the aluminum alloy melt is completed.

[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A degassing device for molten aluminum alloy, comprising a support base (1), characterized in that: The top of the support base (1) is fixedly connected to a processing barrel (2). The top and outer side of the processing barrel (2) are respectively fixedly connected to an air inlet hose (3). The top of the processing barrel (2) is fixedly connected to a connecting protective shell (4). The inside of the connecting protective shell (4) is fixedly connected to a drive component for providing power. The top of the support base (1) is fixedly connected to a purification processing box (13). The inside of the purification processing box (13) is slidably connected to a filter component for purification. The inside of the processing barrel (2) is fixedly connected to a heating column (10). The inside of the heating column (10) is rotatably connected to two connecting rotating plates (6). The inside of the processing barrel (2) is rotatably connected to two connecting rotating filter plates (9). The bottom inside the processing barrel (2) is fixedly connected to a bubble generator (8).

2. The aluminum alloy molten liquid degassing device according to claim 1, characterized in that: The drive assembly includes a drive motor (5), the drive motor (5) is fixedly connected to the inside of the connection protective housing (4), the output end of the drive motor (5) is fixedly connected to a connection rotating cylinder (7), and the inner sides of the two connection rotating plates (6) and the two connection rotating filter plates (9) are fixedly connected to the outside of the connection rotating cylinder (7).

3. The aluminum alloy molten liquid degassing device according to claim 1, characterized in that: The filter assembly includes a double-layer filter plate (15), which is slidably connected inside the purification processing box (13). A double-layer adsorption plate (16) is fixedly connected inside the purification processing box (13), and two connecting rubber rings (17) are slidably connected outside the purification processing box (13).

4. The aluminum alloy molten liquid degassing device according to claim 1, characterized in that: A water tank (20) is fixedly connected to the top of the support base (1), and an inlet (21) is fixedly connected to the inner side of the top of the water tank (20). A water pump (19) is fixedly connected to the top of the water tank (20), and an inlet hose (18) is fixedly connected inside the water pump (19).

5. The aluminum alloy molten liquid degassing device according to claim 4, characterized in that: The inlet end of the water inlet hose (18) is fixedly connected to the inside of the water storage tank (20), and the water delivery end of the water inlet hose (18) is fixedly connected to the top inner side of the processing barrel (2).

6. The aluminum alloy molten liquid degassing device according to claim 1, characterized in that: A vacuum pump (12) is fixedly connected to the top of the purification processing box (13). A gas transmission pipe (11) is fixedly connected to the outside of the vacuum pump (12). The inlet end of the gas transmission pipe (11) is fixedly connected to the inside of the top of the processing barrel (2), and the outlet end of the gas transmission pipe (11) is fixedly connected to the inside of the purification processing box (13).

7. The aluminum alloy molten liquid degassing device according to claim 1, characterized in that: The bottom of the two connecting rotating plates (6) is rotatably connected to the top of the bubble generator (8), and the bottom of the connecting rotating filter plate (9) is rotatably connected to the top of the bubble generator (8).

8. The aluminum alloy molten liquid degassing device according to claim 2, characterized in that: The external of the purification processing box (13) is fixedly connected to a gas exhaust pipe (14), and the external top side of the connecting rotating cylinder (7) is rotatably connected to the inside of the heating column (10).

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