Aluminum melting furnace slagging-off device with slagging-off function
By integrating slag removal and slag removal functions into the aluminum melting furnace slag removal device, the combination of nitrogen and slag removal agent solves the problems of manual operation and easy deformation of existing slag removal devices, and realizes efficient and simplified slag removal and slag removal operations.
Patent Information
- Application Number
- CN202423287832.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-30
Smart Images
Figure CN223684443U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of slagging-off device, specifically relates to a melt aluminium furnace slagging-off device with deslagging function. BACKGROUND
[0002] Aluminum ingots are cast by using aluminum recycling materials, first, solid aluminum is heated and melted into aluminum liquid by using a melt aluminum furnace, then the aluminum liquid is cast into a forming mold of an ingot casting line, and after cooling, forming and demolding, aluminum ingots are obtained. Impurities are inevitably mixed in the aluminum recycling materials, and during the aluminum melting process of the melt aluminum furnace, a slagging-off device is needed to remove the slag in the aluminum liquid. At present, the slagging-off device of the 20t or less reflective melt aluminum furnace is mostly manually operated, the slagging-off device is prone to heat deformation, and two sets of device equipment are needed for slagging-off and deslagging, the process is relatively complicated, and it is very unfavorable for improving work efficiency. Therefore, it is necessary to further transform and improve the existing slagging-off device. SUMMARY
[0003] In view of the above problems, the utility model provides a melt aluminium furnace slagging-off device with deslagging function, which integrates the functions of slagging-off and deslagging, and solves the technical problems of the existing melt aluminium furnace slagging-off device.
[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0005] A melt aluminium furnace slagging-off device with deslagging function, comprising a slagging-off rake, a gas distribution bag, a slagging-off rod, a rotary clamp, a supporting rod and a rotary bearing, the slagging-off rake is in the form of a multiple-toothed rake, a semicircular pipe-shaped gas distribution bag is sealingly welded to the upper part of the rear side of the slagging-off rake along the length direction, a plurality of gas outlet holes are formed in the upper part of the front side of the slagging-off rake and are in communication with the gas distribution bag, a gas inlet is formed in the middle of the rear side of the gas distribution bag, the slagging-off rod is in the form of a hollow pipe, the front end of the slagging-off rod is sealingly and fixedly connected to the gas inlet of the gas distribution bag, the gas distribution bag takes in air through the hollow slagging-off rod, and the air is discharged through the plurality of gas outlet holes in the front side of the slagging-off rake.
[0006] The rear part of the slagging-off rod can be rotatably penetrated through the middle of the rotary clamp, a rotary joint is connected to the rear end of the slagging-off rod, air is supplied into the hollow pipe of the slagging-off rod through the rotary joint, an operating hand wheel is fixedly connected to the outer side of the rear end of the slagging-off rod, a supporting rod is connected to the upper part of the rotary clamp, and a rotary bearing is installed at the top of the supporting rod, so that the slagging-off rod can swing left and right in the horizontal direction.
[0007] Further, the rotary joint rear end is connected to a nitrogen pipeline through a gas supply hose, and nitrogen is discharged from each gas hole in front of the slag rake through a gas distribution bag. When the slag rake is supplied with nitrogen, a certain amount of slag removal agent can also be mixed and sprayed together with the nitrogen, which can better remove the slag in the aluminum liquid. The slag rake is made of heat-resistant alloy pipe material, and the nitrogen flow also has a cooling effect on the slag rake, which helps to prevent the risk of high-temperature deformation of the slag rake.
[0008] Further, the rotary clamp is a cylindrical sleeve, and the rear part of the slag rake is coaxially sleeved in the inside of the rotary clamp through a rotary bearing.
[0009] Further, a pneumatic booster arm is arranged outside the smelting furnace, and the upper rotary support is detachably connected with the pneumatic booster arm through a flange structure. The pneumatic booster arm can be cantilevered on the outer wall of the aluminum smelting furnace or installed on the slag removal vehicle, or can be installed beside the furnace mouth of the aluminum smelting furnace through a separate support column.
[0010] The utility model also includes other components that can make it normal use, all are conventional means in the art, in addition, the device or component not added in the utility model, such as: pneumatic booster arm, rotary support, rotary joint, liquid nitrogen bottle and slag removal agent, all adopt prior art in the field.
[0011] The utility model has the advantages of the following:
[0012] The slag removal device for the aluminum smelting furnace provided by the utility model has the functions of slag removal and slagging in one, and two sets of equipment are not needed, so that the slagging and slag removal operation steps are simplified. The device has a simple structure and is made of heat-resistant alloy, so that the material is resistant to high temperature and is not easy to deform. The special clamp is used in cooperation with the booster arm, so that the operation difficulty on site is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structure schematic view of the slag removal device for the aluminum smelting furnace in the embodiment.
[0014] Figure 2 It is a structure schematic view of the operation hand wheel along the A-A direction in the embodiment. Figure 1
[0015] Figure 3 It is a structure schematic view of the slag rake along the B-B direction in the embodiment. Figure 1
[0016] Figure 4 It is a structure schematic view of the slag rake along the C-C direction in the embodiment. Figure 1 DETAILED DESCRIPTION
[0017] The technical scheme of the utility model will be clearly and completely described in the following with specific embodiments. Obviously, the described embodiments are only some of the utility model, but not all.
[0018] It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the drawings shown, only for convenience of description.
[0019] Embodiment
[0020] As Figures 1-4 shown, a slag removing device for aluminum melting furnace with slag removing function, including a slag rake 1, a gas distribution bag 2, a slag rake 3, a rotary clamp 4, a support rod 5 and a rotary bearing 6, the slag rake is a multiple-toothed rake, a semicircular pipe-shaped gas distribution bag is sealed and welded on the upper part of the rear side of the slag rake along the length direction, the gas distribution bag is sealed and welded with the rear side of the slag rake by cutting the semicircular pipe along the axial direction, the two ends of the semicircular pipe are sealed and welded with plugs, a plurality of gas outlets 7 connected with the gas distribution bag are arranged in a line on the upper part of the front side of the slag rake, a gas inlet 8 is arranged in the middle of the rear side of the gas distribution bag, the slag rake is a hollow pipe structure, the front end of the slag rake is sealed and fixedly connected with the gas inlet of the gas distribution bag, the gas distribution bag is supplied with air through the hollow slag rake, and the air is discharged through the plurality of gas outlets on the front side of the slag rake.
[0021] The rear part of the slag rake can be rotatably passed through the middle of the rotary clamp, and a rotary joint 9 is connected to the rear end of the slag rake, which is used for supplying air into the hollow pipe of the slag rake, an operating hand wheel 10 is fixedly connected to the outside of the rear end of the slag rake, which is convenient for operating the rotation and up-down movement of the slag rake, a support rod is connected to the upper part of the rotary clamp, and a rotary bearing is installed on the top of the support rod, so that the slag rake can swing left and right in the horizontal direction. The rotary bearing belongs to the prior art, and will not be described in detail here.
[0022] The rear end of the rotary joint is connected to a nitrogen gas pipeline (not shown in the figure) through a gas supply hose 11, and nitrogen gas is discharged from the gas outlets on the front side of the slag rake through the gas distribution bag. The nitrogen gas in the nitrogen gas pipeline is obtained by gasification of liquid nitrogen from a purchased liquid nitrogen bottle, and a certain amount of slag removing agent is mixed into the nitrogen gas and sprayed out together with the nitrogen gas when the slag rake is supplied with the nitrogen gas, so that the slag in the aluminum liquid can be better removed. The slag removing agent, the liquid nitrogen bottle, the nitrogen gas pipeline and the gas supply hose all belong to the prior art in the field, and will not be described in detail here.
[0023] The slag removing rod is made of heat-resistant alloy pipe material, and the nitrogen gas flow also has a cooling effect on the slag removing rod, which helps to prevent the slag removing rod from high-temperature deformation; when removing slag, the hand wheel is rotated to make the rake teeth of the slag removing rake upward, and then the slag removing rod is pressed downward below the liquid level of the aluminum liquid, and nitrogen gas and slag removing agent are introduced to achieve better slag removing effect; after the slag removing is completed, the slag removing rod is lifted above the liquid level of the aluminum liquid, and then the hand wheel is rotated to make the rake teeth of the slag removing rake downward, and the pneumatic power arm is used to make the slag removing rake move in the front and back directions, so that the floating slag on the surface of the aluminum liquid is gradually removed to the furnace opening position of the aluminum melting furnace, and then removed and poured into the slag removal car (not shown in the figure). Therefore, the slag removing device has the functions of slag removing and slag removing, and integrates the two functions. The slag removal car belongs to the prior art in the field, and will not be described in detail here.
[0024] The rotating clamp is a sleeve with a cylindrical section, and the rear part of the slag removing rake is coaxially sleeved in the rotating clamp through a rotating bearing 12. In order to enhance the stability of the connection between the rotating clamp and the supporting rod, a diagonal bracing reinforcing rib 13 is additionally arranged between the rotating clamp and the supporting rod.
[0025] A pneumatic power arm 14 is arranged outside the smelting furnace, and the upper part of the slewing bearing is detachably connected with the pneumatic power arm through a flange structure 15. The entire slag removing device is connected with the pneumatic power arm through the slewing bearing, which can save time and labor in the slag removing process, save physical strength, and improve work efficiency. The pneumatic power arm is also called pneumatic power mechanical arm, which belongs to the prior art and will not be described in detail here.
[0026] The technical scheme of the utility model is not limited to the above specific embodiments, and many modifications and changes are obvious to those skilled in the art without deviating from the scope and spirit of the described embodiments. Any technical modification made within the spirit and principles of the utility model falls within the protection scope of the utility model.
Claims
1. A slag removal device for an aluminum melting furnace, characterized in that: The utility model relates to a slagging rake, a gas distribution bag, a slagging rod, a rotary clamp, a supporting rod and a rotary bearing, the slagging rake is in the form of a multiple-toothed rake, a semicircular tube-shaped gas distribution bag is sealed welded on the upper part of the rear side of the slagging rake along the length direction, a plurality of gas outlets are arranged on the upper part of the front side of the slagging rake and are communicated with the gas distribution bag, a gas inlet is arranged on the middle part of the rear side of the gas distribution bag, the slagging rod is in the form of a hollow tube, the front end of the slagging rod is fixedly connected with the gas inlet of the gas distribution bag, the rear part of the slagging rod is rotatably arranged through the middle part of the rotary clamp, a rotary joint is arranged on the rear end of the slagging rod and is used for air supply, an operating hand wheel is arranged on the outer side of the rear end of the slagging rod, the rotary clamp is connected with the supporting rod, and the rotary bearing is arranged on the top of the supporting rod.
2. The slag removing device of the aluminum melting furnace with slag removing function according to claim 1, characterized in that: The rear end of the rotary joint is connected with a nitrogen pipeline through a gas supply hose, and nitrogen is discharged from the front side of the slagging rake through the gas outlets.
3. The slag removing device of the aluminum melting furnace with slag removing function according to claim 1, characterized in that: The rotary clamp is in the form of a sleeve, and the rear part of the slagging rake is coaxially arranged in the rotary clamp through a rotary bearing.
4. The slag removing device of the aluminum melting furnace with slag removing function according to claim 1, characterized in that: A pneumatic power arm is arranged on the outside of the smelting furnace, and the rotary bearing is detachably connected with the pneumatic power arm through a flange structure.