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CN-121992211-A - Aluminum alloy melt degassing system and process thereof

CN121992211ACN 121992211 ACN121992211 ACN 121992211ACN-121992211-A

Abstract

The application provides an aluminum alloy melt degassing system and a process thereof, comprising the following steps of firstly adding aluminum alloy melt into a stirring barrel, secondly, degassing the aluminum alloy melt through an air outlet structure by operating a control main board, thirdly, automatically filtering discharged gas by a filtering structure, fourthly, discharging the aluminum alloy melt and simultaneously automatically pumping out residual gas in the stirring barrel by an electric air pump, wherein in the provided system, the control main board is electrically connected with a heating module, a liquid level detection module, a valve control module, a gas control module and a stirring control module.

Inventors

  • WANG KEPING
  • WANG TIANYI
  • MA PEIPEI
  • HE LIYA

Assignees

  • 贺丽雅

Dates

Publication Date
20260508
Application Date
20240410

Claims (10)

  1. 1. The aluminum alloy melt degassing process comprises a control main board (1) and is characterized by comprising the following steps of: firstly, adding aluminum alloy melt into a stirring barrel (25); step two, degassing the aluminum alloy melt by using an air outlet structure (2) through an operation control main board (1); Thirdly, the discharged gas is automatically filtered by a filtering structure (3); And step four, the electric air pump (24) automatically pumps out residual gas in the stirring barrel (25) while discharging the aluminum alloy melt.
  2. 2. The aluminum alloy melt degassing process according to claim 1, comprising an aluminum alloy melt degassing system, wherein the control main board (1) is electrically connected with a heating module (300), a liquid level detection module (400), a valve control module (200), a gas control module (600) and a stirring control module (700); The heating module (300) is used for heating the aluminum alloy melt; The stirring control module (700) is used for stirring the aluminum alloy melt, and heating the aluminum alloy melt more uniformly under the cooperation of the heating structure; The gas control module (600) injects inert gas into the aluminum alloy melt along with the stirring control module (700) to overflow the gas in the aluminum alloy melt; the valve control module (200) enables the aluminum alloy melt which is subjected to degassing to be discharged into the container; The liquid level detection module (400) is electrically connected with the air extraction module (500), the liquid level detection module (400) is used for detecting the height of aluminum alloy melt in the container, the air pressure is reduced along with the increase of the space in the container for discharging the aluminum alloy melt, when the aluminum alloy melt descends to a certain height, the air extraction module (500) starts to work, and the air extraction module (500) is used for starting to work when the air in the container cannot be discharged independently, and extracting the air in the container.
  3. 3. The aluminum alloy melt degassing process according to claim 1, wherein the air outlet structure (2) comprises a stirring barrel (25), an upper cover (23) is arranged at the upper end of the stirring barrel (25), a mounting block (231) is arranged at the upper end of the upper cover (23), an air inlet pipe (235) is arranged at one side of the mounting block (231), a stirring rod (233) is arranged at the lower end of the upper cover (23), an electric air pump (24) is arranged at one side, far away from the mounting block (231), of the upper surface of the upper cover (23), an air pressure valve (243) is arranged at one side of the electric air pump (24), and a filtering structure (3) is arranged at one side of the stirring barrel (25); The utility model provides a filter structure (3) is including filter vat (32), connecting hole (322) have been seted up at filter vat (32) lower surface center, connecting hole (322) inside is provided with is responsible for (31), the inside lower extreme of filter vat (32) is provided with retainer plate (33), retainer plate (33) lower surface is provided with filter screen (331), filter screen (331) center is provided with guiding hole (332), retainer plate (33) upper surface bilateral symmetry is provided with linking arm (333), linking arm (333) upper end fixedly connected with fixed block (334), filter vat (32) upper end is provided with filter column (34), filter column (34) upper surface center is provided with outlet duct (341).
  4. 4. A process for degassing an aluminum alloy melt according to claim 3, further comprising the steps of: Firstly, an operator adds an aluminum alloy solution into a stirring barrel (25), and then an upper cover (23) automatically falls down to seal the stirring barrel (25); Secondly, gas enters the inner wall of the stirring rod (233) through the gas inlet pipe (235), a plurality of air holes formed in the stirring rod (233) are discharged, and meanwhile, the stirring rod (233) stirs the aluminum alloy melt in the degassing process, so that the degassing process is accelerated; the discharged gas enters the filter barrel (32) along the flow pipe (244) and is filtered by water arranged in the filter barrel (32), then the gas floats upwards to pass through the filter column (34) and is filtered by the filter column (34) for the second time; then, when the aluminum alloy solution is discharged, the air pressure is reduced along with the increase of the internal space, and the air in the stirring barrel (25) cannot be discharged automatically, at this time, the electric air pump (24) automatically pumps out the residual air in the stirring barrel (25).
  5. 5. The aluminum alloy melt degassing process according to claim 3, wherein a supporting wall body (20) is arranged on one side, far away from the filtering structure (3), of the stirring barrel (25), the center of the upper surface of the upper cover (23) is in contact with the lower surface of the mounting block (231) and is in bolted connection, a rotating motor (232) is connected to the upper surface bracket of the mounting block (231), the output end of the rotating motor (232) penetrates through the mounting block (231) and the upper cover (23) to be connected with the axis of the stirring block (234), the lower surface of the stirring block (234) is fixedly connected with the upper surface of the stirring rod (233), the stirring rod (233) is hollow in the inside and open at the upper end, the upper end and the lower end of the stirring block (234) are open and hollow in the inside, and the air inlet pipe (235) penetrates through the outer wall of the mounting block (231) and is in contact with the inner wall of the upper end of the stirring block (234).
  6. 6. The aluminum alloy melt degassing process according to claim 5, wherein the upper surface of the upper cover (23) is in contact with the lower surface of the U-shaped connecting rod (221) and is in bolted connection, a supporting arm (22) is in bolted connection with the outer wall of one side of the U-shaped connecting rod (221) far away from the opening, one end of the supporting arm (22) far away from the U-shaped connecting rod (221) is provided with a screw rod (211), the screw rod (211) penetrates through the outer wall of one end of the supporting arm (22) and is in threaded connection with the supporting arm (22), a movable sliding groove (21) is formed in one side of the supporting wall body (20), the inner wall of the movable sliding groove (21) is in contact with the outer walls of two ends of the screw rod (211) and is in rotational connection, a displacement motor (212) is arranged at the lower end of the screw rod (211), and the outer wall of the displacement motor (212) is in contact with the inner wall of the supporting wall body (20) and is in mosaic connection.
  7. 7. The aluminum alloy melt degassing process according to claim 6, wherein the air pressure valve (243) penetrates through the upper surface of the upper cover (23), an output end of the air pressure valve (243) is hermetically connected with a flow pipe (244), the flow pipe (244) is connected with the main pipe (31), the electric air pump (24) penetrates through the upper surface of the upper cover (23), an output end of the electric air pump (24) is hermetically connected with an air extraction pipe (241), one end of the air extraction pipe (241) far away from the electric air pump (24) is hermetically connected with a one-way valve (242), and one end of the one-way valve (242) far away from the air extraction pipe (241) is hermetically connected with one end of the main pipe (31).
  8. 8. The aluminum alloy melt degassing process according to claim 4, wherein the fixing ring (33) is in snap connection with the outer wall of the filter screen (331), the filter screen (331) is in contact with the outer wall of the guide hole (332) and is in snap connection, the inner wall of the guide hole (332) is in contact with the outer wall of the main pipe (31) and is in airtight connection, the main pipe (31) is in contact with the inner wall of the connecting hole (322) and is in airtight connection, the lower end of the stirring barrel (25) is provided with a valve body (251), and the valve body (251) is communicated with the inner wall of the stirring barrel (25) and is in airtight connection.
  9. 9. The process for degassing aluminum alloy melt according to claim 8, wherein the fixing ring (33) is in bolted connection with the lower surface of the connecting arm (333), fixing grooves (321) are formed in two sides, close to the upper end, of the interior of the filter vat (32), and the inner walls of the two fixing grooves (321) are in contact with the outer wall of the fixing block (334) and are in movable connection.
  10. 10. The aluminum alloy melt degassing process according to claim 9, wherein the lower surface of the filtering column (34) is in contact with the upper surface of the filtering barrel (32) and is in airtight connection, the lower end opening of the filtering column (34) is communicated with the inside of the filtering barrel (32), and the upper surface of the filtering column (34) is in contact with the lower end of the air outlet pipe (341) and is in airtight connection.

Description

Aluminum alloy melt degassing system and process thereof Technical Field The invention relates to the technical field of aluminum alloy solution degassing, in particular to an aluminum alloy solution degassing system and a process thereof. Background The aluminum alloy is a metal taking aluminum as a main body of the raw material, and in the production of the aluminum alloy, other metal materials are usually added into the aluminum to be melted together, so that the aluminum alloy is obtained; The utility model provides a melt degasser of current aluminum alloy production usefulness, can generally include the melting furnace, the lower extreme of melting furnace is provided with the base, the upper end surface of base is close to right side terminal surface and is provided with into nitrogen gas device, it includes the dwang to advance nitrogen gas device, the dwang surface is close to downside terminal surface fixed connection's bearing, dwang surface fixed connection's hand wheel and dwang surface are close to upside terminal surface fixed connection's belt pulley, the upper end surface of base is close to left side terminal surface and is provided with attemperator, the working method is mainly with the nitrogen gas injection solution in intensive mixing solution be favorable to reducing the bubble volume in the aluminum alloy melt. However, although the gas generated in the solution is reduced, a better collecting mode is not implemented, and if the gas generated in the solution is inhaled by a human body for a long time, the life and health of workers can be endangered. Disclosure of Invention The invention aims to provide an aluminum alloy melt degassing system and a process thereof, so as to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the aluminum alloy melt degassing process comprises a control main board, and comprises the following steps of: Firstly, adding aluminum alloy melt into a stirring barrel; Step two, degassing the aluminum alloy melt by using an air outlet structure through an operation control main board; Thirdly, automatically filtering the discharged gas by a filtering structure; and step four, discharging the aluminum alloy melt and simultaneously automatically pumping out residual gas in the stirring barrel by an electric air pump. The scheme also comprises an aluminum alloy melt degassing system, wherein the control main board is electrically connected with a heating module, a liquid level detection module, a valve control module, a gas control module and a stirring control module; The heating module is used for heating the aluminum alloy melt; the stirring control module is used for stirring the aluminum alloy melt, and heating the aluminum alloy melt more uniformly under the cooperation of the heating structure; The gas control module injects inert gas into the aluminum alloy melt along with the stirring control module to overflow the gas in the aluminum alloy melt; the valve control module enables the aluminum alloy melt which is subjected to degassing to be discharged into the container; The liquid level detection module is electrically connected with the air extraction module, the liquid level detection module is used for detecting the height of aluminum alloy melt in the container, the air pressure is reduced along with the increase of the space in the container for discharging the aluminum alloy melt, when the aluminum alloy melt is lowered to a certain height, the air extraction module starts to work, and when the air in the container cannot be discharged independently, the air extraction module starts to work, and the air in the container is extracted. In addition, the air outlet structure comprises a stirring barrel, an upper cover is arranged at the upper end of the stirring barrel, a mounting block is arranged at the upper end of the upper cover, an air inlet pipe is arranged on one side of the mounting block, a stirring rod is arranged at the lower end of the upper cover, an electric air pump is arranged on one side, far away from the mounting block, of the upper surface of the upper cover, an air pressure valve is arranged on one side of the electric air pump, and a filtering structure is arranged on one side of the stirring barrel; The filter structure comprises a filter vat, the connecting hole has been seted up at filter vat lower surface center, the inside being provided with of connecting hole is responsible for, the inside lower extreme of filter vat is provided with the retainer plate, the retainer plate lower surface is provided with the filter screen, the filter screen center is provided with the guiding hole, upper surface both sides symmetry is provided with the linking arm on the retainer plate, linking arm upper end fixedly connected with fixed block, the filter vat upper end is provided with the filter column, filter column upper surface center i