CN219972411U

CN219972411U - Aluminum alloy solution degassing device

Info

Publication number: CN219972411U
Application number: CN202321278491.7U
Authority: CN
Inventors: 束俊霞; 陈运策; 杨贺; 范领启
Original assignee: Inner Mongolia Yunzhengsheng New Materials Co ltd
Current assignee: Inner Mongolia Yunzhengsheng New Materials Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-07
Anticipated expiration: 2033-05-24

Abstract

The utility model provides an aluminum alloy solution degassing device, which comprises a degassing barrel for containing aluminum alloy solution to be degassed, wherein a barrel cover is fixed at the upper end of the degassing barrel, a cover plate is hinged to one side of the barrel cover, a stirring mechanism for stirring the aluminum alloy solution is arranged in the degassing barrel, a scattering mechanism for scattering bubbles in the aluminum alloy solution is arranged on the stirring mechanism, the scattering mechanism comprises a fixing seat, the fixing seat is fixedly arranged at the inner bottom end of the degassing barrel, a fixing shaft is fixedly arranged on the fixing seat, the fixing shaft is rotationally connected with the stirring mechanism, a first bevel gear is arranged on the fixing shaft, a second bevel gear is connected with the first bevel gear in a transmission manner, the second bevel gear is fixedly arranged at one end of a stirring shaft, the stirring shaft is arranged on the stirring mechanism, and blades are fixedly arranged on the stirring shaft; the inert bubbles in the aluminum alloy liquid are scattered, so that the inert bubbles are fully mixed with the aluminum alloy liquid, and the product quality is improved.

Description

Aluminum alloy solution degassing device

Technical Field

The utility model relates to the technical field of aluminum alloy processing equipment, in particular to an aluminum alloy solution degassing device.

Background

In the production process of aluminum products, the hydrogen content and nonmetallic inclusions of molten aluminum can seriously affect the quality of castings. In general, during condensation, as the solubility of hydrogen decreases, hydrogen does not escape from the solution, nonmetallic inclusions do not float to the liquid level before entering the crystallizer, which causes a series of defects such as white spots on the surface of the plate, increased pinholes, reduced mechanical properties of the material, and the like in the subsequent rolling process, and finally leads to scrapping of the product. Therefore, the aluminum liquid must be subjected to degassing and purifying treatment. Degassing is to spray inert gas into molten aluminum to remove hydrogen.

At present, the aluminum liquid is subjected to blowing refining by degassing equipment, and the main principle is as follows: and introducing inert gas into the aluminum liquid, wherein the inert gas forms bubbles in the aluminum liquid, so that the surfaces of the inert bubbles are contacted with hydrogen and impurities in the metal liquid, and then the inert bubbles float upwards away from the aluminum liquid, thereby bringing harmful substances to the surfaces of the liquid. However, the volume of bubbles generated after the inert gas is introduced into the aluminum liquid is larger, the contact area between the bubbles and the aluminum liquid is relatively smaller, and the inert bubbles cannot be fully mixed with the aluminum liquid due to the smaller flowing of the aluminum liquid, so that the degassing of hydrogen in the aluminum liquid is incomplete, and the quality of a product is poor.

Disclosure of Invention

In order to solve the problems that in the prior art, the volume of bubbles generated after inert gas is introduced into aluminum liquid is large, the contact area between the bubbles and the aluminum liquid is relatively small, and the inert bubbles cannot be fully mixed with the aluminum liquid due to the fact that the aluminum liquid flows less, so that the degassing of hydrogen in the aluminum liquid is incomplete and the product quality is poor, the utility model provides the degassing device for the aluminum alloy solution.

In order to achieve the above purpose, the specific technical scheme of the aluminum alloy solution degassing device of the utility model is as follows:

the utility model provides an aluminum alloy solution degassing device, which comprises a degassing barrel for containing aluminum alloy solution to be degassed, wherein a barrel cover is fixed at the upper end of the degassing barrel, a cover plate is hinged to one side of the barrel cover, a stirring mechanism for stirring the aluminum alloy solution is arranged in the degassing barrel, a scattering mechanism for scattering bubbles in the aluminum alloy solution is arranged on the stirring mechanism, the scattering mechanism comprises a fixing seat, the fixing seat is fixedly arranged at the inner bottom end of the degassing barrel, a fixing shaft is fixedly arranged on the fixing seat, the fixing shaft is rotationally connected with the stirring mechanism, a first bevel gear is arranged on the fixing shaft, a second bevel gear is connected with the first bevel gear in a transmission manner, the second bevel gear is fixedly arranged at one end of a stirring shaft, the stirring shaft is arranged on the stirring mechanism, and blades are fixedly arranged on the stirring shaft.

In one embodiment of the utility model, the stirring mechanism comprises a rotating shaft, the rotating shaft is rotatably connected with the barrel cover, a rotating barrel is fixed at the lower end part of the rotating shaft, the rotating barrel is arranged in the middle of the inside of the degassing barrel, and the stirring shaft is rotatably arranged on the barrel wall of the rotating barrel.

In one embodiment of the utility model, the barrel cover is provided with a driving mechanism for driving the stirring mechanism to rotate, the driving mechanism comprises a mounting frame, the mounting frame is fixedly arranged at the upper end of the barrel cover, a motor is fixed on the mounting frame, a first gear is fixed on an output shaft of the motor, one side of the first gear is in transmission connection with a second gear, and the second gear is fixedly arranged at the end part of the upper end of the rotating shaft.

In one embodiment of the utility model, the protection plates are fixed on two sides of the mounting frame, and the first gear and the second gear are accommodated in a closed space surrounded by the barrel cover, the mounting frame and the protection plates.

In one embodiment of the utility model, the barrel cover is provided with an air outlet pipe which is communicated with the inside of the degassing barrel.

In one embodiment of the utility model, the stirring shafts are provided with at least two groups, and the at least two groups of stirring shafts are arranged on the rotary drum in a staggered manner.

The beneficial effects of the utility model are as follows:

when the inert gas is introduced into the aluminum alloy liquid in the degassing barrel, the motor drives the rotary barrel to rotate, the rotary barrel drives the stirring shaft to horizontally rotate around the axis of the rotary barrel, the stirring shaft further realizes stirring of the aluminum alloy liquid in the degassing barrel in the horizontal direction, a second bevel gear is fixed at one end part of the stirring shaft, the second bevel gear is meshed with a first bevel gear, the second bevel gear rotates around the axis of the rotary barrel along with the stirring shaft, the first bevel gear is fixed, so that the second bevel gear rotates under the driving of the first bevel gear, the second bevel gear drives the stirring shaft to rotate around the axis of the stirring shaft, the stirring shaft drives the blades to rotate in the vertical direction, the blades further realize stirring of the aluminum alloy liquid in the degassing barrel in the vertical direction, so that inert bubbles in the aluminum alloy liquid are scattered, the inert bubbles are fully mixed with the aluminum alloy liquid, the inert bubbles with larger volume are scattered into micro bubbles with smaller volume, the surface area of the bubbles is increased, the contact area of the bubbles with the aluminum alloy liquid is increased, and the bubbles are fully mixed with the aluminum alloy liquid simultaneously, the bubbles are fully mixed with the aluminum alloy liquid, and the quality of the aluminum alloy liquid is thoroughly mixed with the aluminum alloy liquid in the vertical direction, and the aluminum alloy liquid is clean, and the quality of the aluminum alloy liquid is greatly mixed with the aluminum alloy liquid is greatly and the product is completely clean.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure provided by an embodiment of the present utility model;

fig. 2 is a schematic diagram of an open state of a cover plate according to an embodiment of the present utility model;

FIG. 3 is a schematic view illustrating a closed state of a cover plate according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram showing a state of ventilation of a deaerator into a deaeration tank according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a breaking mechanism according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a driving mechanism according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a stirring mechanism according to an embodiment of the present utility model;

fig. 8 is a top view of a stirring mechanism according to an embodiment of the present utility model.

In the figure: 100. a degassing barrel; 110. a barrel cover; 111. a cover plate; 112. an air outlet pipe; 200. a stirring mechanism; 210. a rotation shaft; 220. a rotary drum; 230. a stirring shaft; 231. a blade; 300. a scattering mechanism; 310. a fixing seat; 320. a fixed shaft; 330. a first bevel gear; 340. a second bevel gear; 400. a driving mechanism; 410. a mounting frame; 411. a protective plate; 420. a motor; 430. a first gear; 440. and a second gear.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly and may be, for example, fixedly attached, detachably attached, or integrally attached; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

Referring to fig. 1, 2 and 3, the present utility model provides an aluminum alloy solution degassing device, which comprises a degassing barrel 100 for accommodating an aluminum alloy solution to be degassed, wherein a barrel cover 110 is fixed at the upper end of the degassing barrel 100, a cover plate 111 is hinged to one side of the barrel cover 110, the cover plate 111 can be opened or closed, when a degassing machine is required to be used for ventilating the degassing barrel 100, the cover plate 111 is opened, and then an air pipe of the degassing machine penetrates through one side of the barrel cover 110 to penetrate into the degassing barrel 100 (as shown in fig. 4), so as to ventilate the aluminum alloy solution in the degassing barrel 100, an air outlet pipe 112 is arranged on the barrel cover 110, the air outlet pipe 112 is communicated with the interior of the degassing barrel 100, and air overflows from the aluminum alloy solution and is discharged through the air outlet pipe 112, thereby performing an air discharging function.

Referring to fig. 1, 5 and 7, a stirring mechanism 200 for stirring an aluminum alloy solution is disposed in the degassing barrel 100, and specifically, the stirring mechanism 200 includes a rotating shaft 210, the rotating shaft 210 is rotatably connected with the barrel cover 110, a rotating barrel 220 is fixed at a lower end of the rotating shaft 210, the rotating barrel 220 is disposed in a central position in the degassing barrel 100, and the stirring shaft 230 is rotatably mounted on a barrel wall of the rotating barrel 220. In addition, when the air pipe of the deaerator goes deep into the deaeration tank 100, the stirring shaft 230 does not contact with the air pipe of the deaerator within the rotation range of the rotation drum 220 due to the limit of the cover plate 111, and the stirring shaft 230 does not collide with the air pipe of the deaerator (as shown in fig. 4).

Referring to fig. 5, 6 and 7, it should be noted that a driving mechanism 400 for driving the stirring mechanism 200 to rotate is provided on the tub cover 110, the driving mechanism 400 includes a mounting frame 410, the mounting frame 410 is fixedly mounted at the upper end of the tub cover 110, a motor 420 is fixed on the mounting frame 410 through a bolt, a first gear 430 is fixed at an output shaft end of the motor 420 through a key, a second gear 440 is engaged and connected to one side of the first gear 430, and the second gear 440 is fixedly mounted at an upper end of the rotating shaft 210 through a key.

In a specific work flow, the motor 420 drives the first gear 430 to rotate, the first gear 430 drives the second gear 440 to rotate, the second gear 440 drives the rotating shaft 210 to rotate, the rotating shaft 210 drives the rotating drum 220 to rotate, and the rotating drum 220 drives the stirring shaft 230 thereon to rotate around the axis of the rotating drum 220 in the horizontal direction, so that the stirring shaft 230 stirs the aluminum alloy liquid in the degassing drum 100 in the horizontal direction.

Referring to fig. 1, 5 and 6, it is important to note that a breaking mechanism 300 for breaking up bubbles in an aluminum alloy solution is provided on a stirring mechanism 200, the breaking mechanism 300 includes a fixing seat 310, the fixing seat 310 is fixedly installed at a central position of an inner bottom end of a degassing barrel 100, a fixing shaft 320 is fixedly welded on the fixing seat 310, two end portions of the fixing shaft 320 are rotatably connected with two ends of a rotating barrel 220, a first bevel gear 330 is provided on the fixing shaft 320 through a key, the first bevel gear 330 is in meshed transmission connection with a second bevel gear 340, the second bevel gear 340 is fixedly connected with one end portion of a stirring shaft 230 through a key, a plurality of blades 231 are fixedly provided on the stirring shaft 230 in a staggered manner, the blades are arranged on the outer side of the rotating barrel 220, at least two groups of stirring shafts 230 are provided on the rotating barrel 220 in a staggered manner (as shown in fig. 7 and 8), the first bevel gear 330 and the second bevel gear 340 can be provided in a plurality of groups and uniformly distributed on the upper and lower positions of the fixing shaft 320, so that the bubbles in the aluminum alloy solution in the degassing barrel 100 are broken up and thoroughly broken up;

in a specific work flow, when inert gas is introduced into the aluminum alloy liquid in the degassing barrel 100, the motor 420 drives the rotary barrel 220 to rotate, the rotary barrel 220 drives the stirring shaft 230 to rotate horizontally around the axis of the rotary barrel 220, the stirring shaft 230 further stirs the aluminum alloy liquid in the degassing barrel 100 in the horizontal direction, one end part of the stirring shaft 230 is fixed with the second bevel gear 340, the second bevel gear 340 is meshed with the first bevel gear 330, the second bevel gear 340 rotates together with the stirring shaft 230 around the axis of the rotary barrel 220, the first bevel gear 330 is fixed, so that the second bevel gear 340 rotates under the driving of the first bevel gear 330, the second bevel gear 340 drives the stirring shaft 230 to rotate around the axis of the stirring shaft 230, the stirring shaft 230 drives the blades 231 to rotate in the vertical direction, the blades 231 realize stirring of the aluminum alloy liquid in the vertical direction, the inert gas bubbles in the aluminum alloy liquid are dispersed, the inert gas bubbles and the aluminum alloy liquid are fully mixed, and the inert gas bubbles with the aluminum alloy liquid are dispersed into micro bubbles with a small volume.

Referring to fig. 2 and 3, it is preferable that protection plates 411 are fixed on both sides of the mounting frame 410, and the first gear 430 and the second gear 440 are accommodated in a closed space defined by the barrel cover 110, the mounting frame 410 and the protection plates 411, so that when the first gear 430 and the second gear 440 rotate, external foreign matters are blocked by the protection plates 411 and cannot contact with the external foreign matters, thereby improving safety performance.

It should be noted that: the specific model specification of the motor 420 needs to be determined by selecting a model according to the actual specification of the device, etc., and a specific model selecting calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the motor 420 and its principle will be clear to a person skilled in the art and will not be described in detail here.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an aluminum alloy solution degassing unit, is including being used for the holding to treat degassing unit (100) of degassing unit (100), the upper end of degassing unit (100) is fixed with bung (110), one side of bung (110) articulates there is apron (111), the inside of degassing unit (100) is provided with rabbling mechanism (200) that are used for stirring aluminum alloy solution, a serial communication port, be provided with on rabbling mechanism (200) and be used for scattering mechanism (300) of bubble in the aluminum alloy solution, break up mechanism (300) including fixing base (310), fixing base (310) fixed mounting is in the inside bottom of degassing unit (100), be fixed with fixed axle (320) on fixing base (310), fixed axle (320) are connected with rabbling mechanism (200) rotation, be provided with first bevel gear (330) on fixed axle (320), first bevel gear (330) transmission is connected with second bevel gear (340), second bevel gear (340) fixed mounting is in the one end of (230), (230) set up on rabbling mechanism (200), stirring axle (230) are fixed with blade (231).

2. The aluminum alloy solution degassing device according to claim 1, wherein the stirring mechanism (200) comprises a rotating shaft (210), the rotating shaft (210) is rotatably connected with the barrel cover (110), a rotating barrel (220) is fixed at the lower end part of the rotating shaft (210), the rotating barrel (220) is arranged in the middle of the inside of the degassing barrel (100), and the stirring shaft (230) is rotatably installed on the barrel wall of the rotating barrel (220).

3. The aluminum alloy solution degassing device according to claim 2, wherein a driving mechanism (400) for driving the stirring mechanism (200) to rotate is arranged on the barrel cover (110), the driving mechanism (400) comprises a mounting frame (410), the mounting frame (410) is fixedly arranged at the upper end of the barrel cover (110), a motor (420) is fixedly arranged on the mounting frame (410), a first gear (430) is fixedly arranged on an output shaft of the motor (420), a second gear (440) is connected to one side of the first gear (430) in a transmission manner, and the second gear (440) is fixedly arranged at the upper end part of the rotating shaft (210).

4. The aluminum alloy solution degassing device according to claim 3, wherein protection plates (411) are fixed on two sides of the mounting frame (410), and the first gear (430) and the second gear (440) are accommodated in a closed space surrounded by the barrel cover (110), the mounting frame (410) and the protection plates (411).

5. The aluminum alloy solution degassing device according to claim 1, wherein an air outlet pipe (112) is arranged on the barrel cover (110), and the air outlet pipe (112) is communicated with the inside of the degassing barrel (100).

6. The aluminum alloy solution degassing device according to claim 2, wherein the stirring shafts (230) are provided with at least two groups, and the at least two groups of stirring shafts (230) are staggered on the rotary drum (220).