CN221217882U

CN221217882U - Degassing flow path system for aluminum liquid degassing equipment

Info

Publication number: CN221217882U
Application number: CN202322804836.4U
Authority: CN
Inventors: 张裕明; 位振龙; 赵林
Original assignee: Shandong Hyde Intelligent Equipment Co ltd
Current assignee: Shandong Hyde Intelligent Equipment Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-06-25
Anticipated expiration: 2033-10-19

Abstract

The degassing flow path system for the aluminum liquid degassing equipment comprises a degassing box, wherein the top of the degassing box is provided with a box cover, and a rotor degassing mechanism is arranged on the box cover; the degassing box is connected with the equipment body in a forward tilting way, a degassing chamber is arranged in the degassing box, and a liquid inlet is formed in the front end of the degassing chamber; the front of the degassing box is also connected with a flow guide piece, the lower part of the degassing box is rotationally connected with the equipment body, and the degassing box has a rotational degree of freedom around the central axis; the flow guide piece comprises a first part, a second part and a third part, wherein the first part and the second part are respectively two and are symmetrically arranged by taking the third part as a center, and the rear end of the third part is connected with the front end of the degassing box; the center of the first component and the center of the second component are provided with through circulation holes, and the center of the third component is provided with a circulation groove and a liquid inlet groove which are respectively communicated with the circulation holes and the liquid inlet. Can reduce the residue of the aluminum liquid in the degassing box, reduce the secondary oxidation of the surface of the aluminum liquid, improve the purity of refined aluminum liquid and ensure the quality of the aluminum alloy formed subsequently.

Description

Degassing flow path system for aluminum liquid degassing equipment

Technical Field

The utility model relates to the technical field of aluminum alloy smelting equipment, in particular to a degassing flow path system for aluminum liquid degassing equipment.

Background

The quality of castings is seriously affected by the hydrogen content and nonmetallic inclusions of molten aluminum alloy in a casting workshop, and in the condensation process, the hydrogen can not escape from solution along with the reduction of the solubility of the hydrogen, and the nonmetallic inclusions can not float to the liquid level before entering a crystallizer, so that white spots and pinholes on the surfaces of plates and foils are increased in the subsequent rolling process, the mechanical properties of materials are reduced, and finally products are scrapped, so that the aluminum alloy melt must be subjected to degassing and purifying treatment.

In the prior art, products for aluminum liquid degassing are mainly online degassing equipment, the products are directly connected with production, a degassing component is connected with a guide piece up and down, the guide piece and the degassing component are fixed and immovable, a part of aluminum liquid is remained in the guide piece all the time, so that the aluminum liquid is easily polluted by the aluminum liquid remained in the previous degassing when the aluminum liquid is degassed for the next time, the components are changed, and the performance of finally produced aluminum alloy is affected.

Disclosure of utility model

Aiming at the problems and the defects in the prior art, the utility model provides a degassing flow path system for aluminum liquid degassing equipment.

The technical scheme of the utility model is as follows:

the degassing flow path system for the aluminum liquid degassing equipment comprises a degassing box, wherein the top of the degassing box is provided with a box cover, and a rotor degassing mechanism is arranged on the box cover;

The degassing box is connected with the equipment body in a forward tilting way, a degassing chamber is arranged in the degassing box, and a liquid inlet is formed in the front end of the degassing chamber; the front of the degassing box is also connected with a guide piece, and the lower part of the guide piece is rotationally connected with the equipment body, so that the air-removing box has rotational freedom degree around the central axis of the air-removing box;

The front of the degassing box is connected with a flow guide piece, the flow guide piece comprises a first part, a second part and a third part, the end faces of which are sequentially connected, wherein the first part and the second part are respectively two and are symmetrically arranged by taking the third part as a center, and the rear end of the third part is connected with the front end of the degassing box; the center of the first component and the center of the second component are provided with through circulation holes, the center of the third component is provided with a circulation groove communicated with the circulation holes, the rear part of the third component is provided with a liquid inlet groove which is communicated with the circulation holes in a crossing way, and the liquid inlet groove is communicated with the liquid inlet of the deaeration chamber.

The first component and the second component are in a circular tube shape, the inside of the first component and the second component is provided with a circulation hole, and the circulation holes of the two components are communicated. The third part is a T-shaped part, two ends of the collineation part are respectively connected with the second parts on two sides, the rear end of the vertical section is fixedly connected with the degassing tank, the circulating groove is also a T-shaped groove, two ends of the collineation part are respectively communicated with the second parts, and the vertical end is communicated with the degassing tank.

Specifically, the cross section size of the circulation groove is larger than that of the circulation hole, so that the temporary liquid storage effect is achieved. The lower part of the second component is provided with a supporting piece, the upper end of the supporting piece is rotationally connected with the outer wall of the second component through a bearing, and the lower end of the supporting piece is fixed on the machine seat of the equipment body.

When the aluminum liquid in the degassing box is tipped forward and poured out to the guide piece after harmful gases such as hydrogen are removed, the guide piece is tipped along with the degassing box around the axis of the air removal box along the length direction, the aluminum liquid flows out from a liquid inlet on the degassing box to a flow hole through a flow groove, and then flows out from the flow hole on one side to enter the next working procedure.

The inside baffle that is equipped with of degassing tank is located the inlet top, extends along the width direction of degassing chamber and extends to the right side wall from degassing chamber left side wall. Aims at isolating the deaeration chamber from the outside through the design of subsurface flow, and preventing the secondary oxidation of the surface of the aluminum liquid. Specifically, the baffle comprises a horizontal part and an inclined part which is inclined downwards at an obtuse angle with the horizontal part, the horizontal part is flush with the upper end surface of the liquid inlet, and the lower end of the inclined part is lower than the lower end surface of the liquid inlet.

Preferably, a partition plate is arranged in the degassing tank to divide the degassing tank into two degassing chambers, and the front end of each degassing chamber is provided with a liquid inlet. The liquid inlet groove is provided with two liquid inlet holes which are respectively communicated with different deaeration chambers.

Preferably, the side surfaces of the degassing tank wall and the partition plate, which face the degassing chamber, are provided with flow guide blocks. The stirring and degassing device is used for preventing the aluminum liquid in the degassing chamber from forming vortex, so that stirring and degassing effects are improved.

The beneficial effects of the utility model are as follows:

The deaeration box is rotationally connected with the guide piece, can drive the deaeration box to incline forwards, and can completely pour the deaerated aluminum liquid in the deaeration box into the guide piece and then discharge the aluminum liquid through the guide piece, so that the residual of the aluminum liquid in the deaeration box body can be reduced.

The design of the submerged flow is realized through the baffle plate at the inlet and the outlet of the aluminum liquid, so that the degassing chamber is isolated from the outside, and the secondary oxidation of the surface of the aluminum liquid is reduced. The air removal box is internally provided with the flow guide block, so that the aluminum liquid in the air removal chamber can be prevented from forming vortex, and the stirring mixing and air removal effects are enhanced.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a cross-sectional view taken along section A-A of FIG. 3;

FIG. 5 is a cross-sectional view of section B-B of FIG. 2;

1. a degassing tank; 2. feeding and discharging boxes; 3. a case cover; 4. a rotor degassing mechanism; 5. a heating assembly; 6. a support; 11. a deaeration chamber; 12. a liquid inlet; 13. a baffle; 14. a flow guiding block; 15. a partition plate; 21. a first component; 22. a second component; 23. a third component; 211. a flow hole; 231. a flow channel; 232. and a liquid inlet tank.

Detailed Description

The technical means adopted to achieve the intended purpose of the present utility model will be further described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1, a degassing flow path system for an aluminum liquid degassing device includes a degassing box 1, a box cover 3 is provided at the top of the degassing box 1, a rotor degassing mechanism 4 is mounted on the box cover 3, the rotor degassing mechanism 4 extends downward into the degassing box 1 from the box cover 3, and mainly includes a motor, a transmission mechanism and a stirring feeding member connected with and driven by the transmission mechanism. In addition, a heating element 5 is mounted on the cover 3, which also extends from top to bottom into the interior of the degassing tank 1. The aluminum liquid temperature control device is used for guaranteeing the temperature of the aluminum liquid in the degassing box 1, increasing the residence time of the aluminum liquid in the degassing box 1 and enhancing the degassing effect.

As shown in fig. 1 and 2, the deaeration tank 1 is connected with the equipment body in a tilting manner. As shown in fig. 4, the degassing chamber 11 is arranged in the degassing chamber 1, the rotor degassing mechanism 4 extends into the degassing chamber 11 from top to bottom and is used for stirring and degassing high-temperature aluminum liquid, the liquid inlet 12 is arranged at the front end of the degassing chamber 11, and when the degassing chamber is operated, aluminum liquid which is not degassed flows into and out of the degassing chamber from the aluminum liquid inlet, and after degassing work is completed in the degassing chamber 1, pure aluminum liquid flows out of the degassing chamber 1 from the aluminum liquid inlet. The front 1 of the deaeration box is also connected with a guide piece 2, the lower part of the guide piece 2 is rotationally connected with the equipment body, and the deaeration box has the degree of freedom of rotation around the central axis of the guide piece 1 extending along the length direction. The aluminum liquid after degassing can be poured out from the degassing chamber 11 to the flow guiding piece 2 forwards through the liquid inlet 12, and then flows out from the flow guiding piece 2 to enter the next working procedure.

Referring to fig. 1 to 5, a flow guide is connected to the front of the deaeration tank 1. Referring specifically to fig. 5, the flow guiding member includes a first member 21, a second member 22 and a third member 23 with end surfaces sequentially connected, where the first member 21 and the second member 22 are respectively two members and symmetrically arranged with the third member 23 as a center, an extending direction of the first member 21, the second member 22 and the third member 23 after being connected is parallel to a width of the degassing tank 1, and a rear end of the third member 23 is fixedly connected with a front end of the degassing tank 1; the centers of the first component 21 and the second component 22 are provided with a through flow hole 211; the center of the third member 23 is provided with a flow groove 231 communicating with the flow hole 211, and the rear part is provided with a liquid inlet groove 232 intersecting with the flow hole 211, and the liquid inlet groove 232 communicates with the liquid inlet 12 of the deaeration chamber 11.

In this embodiment, the first member 21 and the second member 22 are both in a circular tubular structure, the center is a flow hole 211, the first member 21 is communicated with the flow hole 211 of the second member 22 and is parallel to the width direction of the degassing tank 1, and the two members are symmetrically arranged on two sides of the third member 23 along the width direction, wherein the first member 21 on one side is an aluminum liquid inlet, and the first member 21 on one side is an aluminum liquid outlet. The third part 23 is a sleeve-shaped outer shell, and is internally of a T-shaped structure, two ends of the T-shaped collineation are respectively connected with the second part 22 symmetrically arranged with the T-shaped collineation, and the other end of the T-shaped collineation is fixedly connected with one side of the liquid inlet 12 of the degassing tank 1. A T-shaped liquid inlet groove 232 is arranged in the T-shaped structural member, wherein two collinear ends of the T-shaped groove are respectively communicated with the circulation holes 211 on the two second parts 22, and the other vertical end is communicated with the liquid inlet 12 of the degassing tank 1. In addition, as shown in fig. 2 and 3, connecting beams are arranged on the left and right sides of the degassing tank 1, one end of each connecting beam is connected with the outer ring of the second component 22, and the liquid inlet 12 of the degassing tank 1 can drive the flow guide members to rotate together when tilting forward.

After the aluminum ingot is melted into high-temperature aluminum liquid in the furnace, the high-temperature aluminum liquid enters the guide piece from the circulation hole 211 of the first component 21 on one side, then enters the degassing tank 1 through the circulation holes 211 and the circulation grooves 231 on the second component 22 and the third component 23 for degassing, and after the degassing is completed in the degassing tank 1, the high-temperature aluminum liquid flows out from the first component 21 on the other side through the circulation grooves 231 and the circulation holes 211 to enter the next process.

Referring to fig. 1-3, a support member 6 is arranged below the second component 22, the upper end of the support member 6 is rotatably connected with the outer wall of the second component 22 through a bearing, and the lower end of the support member is fixed on the machine base of the equipment body.

When the aluminum liquid in the degassing tank 1 is tipped forward and poured out to the flow guiding piece after harmful gases such as hydrogen are removed, the flow guiding piece is tipped along with the degassing tank 1 around the axis of the degassing tank 1 along the length direction, the aluminum liquid flows out from the liquid inlet 12 on the degassing tank 1 to the circulation hole 211 through the circulation groove 231, and then flows out from the circulation hole 211 on one side to enter the next process.

Referring to fig. 4, a baffle 13 is provided in the degassing tank 1, above the liquid inlet 12, extending in the width direction of the degassing chamber 11 and extending from the left side wall to the right side wall of the degassing chamber 11. The purpose is to isolate the deaeration chamber 11 from the outside through the design of undercurrent, prevent the secondary oxidation of the surface of the molten aluminum. Specifically, the baffle 13 includes a horizontal portion and a slope portion inclined downward at an obtuse angle to the horizontal portion, the horizontal portion is flush with the upper end face of the liquid inlet 12, and the lower end of the slope portion is lower than the lower end face of the liquid inlet 12.

Referring to fig. 4, the size of the circulation groove 231 is preferably larger than that of the circulation hole 211, so as to serve as a temporary reservoir.

Referring to fig. 5, preferably, a partition 15 is provided inside the degassing tank 1 to divide the degassing tank 1 into two degassing chambers 11, and a liquid inlet 12 is provided at a front end of each degassing chamber 11. The liquid inlet groove 232 is also two connected T-shaped grooves, and is respectively communicated with liquid inlet holes of different deaeration chambers 11. A degassing mechanism and a heating component 5 are arranged in each degassing chamber 11.

Referring to fig. 4, the wall of the deaeration tank 1 and the side of the partition 15 facing the deaeration chamber 11 are preferably provided with flow guiding blocks 14. To prevent the aluminum liquid in the degassing chamber 11 from forming a vortex, thereby improving the stirring and degassing effects.

The deaeration box 1 is rotationally connected with the guide piece, so that the deaeration box 1 can be driven to incline forwards, all the deaerated aluminum liquid in the deaeration box 1 is poured into the guide piece and then discharged through the guide piece, and the residual of the aluminum liquid in the deaeration box 1 can be reduced.

The design of the submerged flow is realized through the baffle 13 at the inlet and the outlet of the aluminum liquid, so that the deaeration chamber 11 is isolated from the outside, and the secondary oxidation of the surface of the aluminum liquid is reduced. The air removal box 1 is internally provided with the flow guide block 14, so that the aluminum liquid in the air removal chamber 11 can be prevented from forming vortex, and the stirring, mixing and degassing effects are enhanced.

While the preferred embodiments of the present utility model have been described above, the present utility model is not limited to the above embodiments and examples, and various changes, equivalent substitutions, modifications and the like, which are within the knowledge of those skilled in the art, are intended to be included within the scope of the present utility model without departing from the spirit of the present utility model.

Claims

1. The degassing flow path system for the aluminum liquid degassing equipment comprises a degassing box (1), wherein the top of the degassing box is provided with a box cover (3), a rotor degassing mechanism (4) is arranged on the box cover (3), and the system is characterized in that,

The degassing box (1) is connected with the equipment body in a forward tilting way, a degassing chamber (11) is arranged in the degassing box, and a liquid inlet (12) is formed in the front end of the degassing chamber (11); the front of the degassing box (1) is also connected with a guide piece (2), and the lower part of the guide piece (2) is rotationally connected with the equipment body and has a rotational degree of freedom around the central axis;

The flow guide piece (2) comprises a first component (21), a second component (22) and a third component (23) which are sequentially connected with each other on the end face, wherein the first component (21) and the second component (22) are respectively two-piece and are symmetrically arranged by taking the third component (23) as a center, and the rear end of the third component (23) is connected with the front end of the degassing box (1); the centers of the first component (21) and the second component (22) are provided with through circulation holes (211); the center of the third component (23) is provided with a circulation groove (231) communicated with the circulation hole, the rear part of the third component is provided with a liquid inlet groove (232) which is communicated with the circulation hole in a crossing way, and the liquid inlet groove (232) is communicated with a liquid inlet (12) of the deaeration chamber (11).

2. The deaeration flow path system according to claim 1, wherein the first member (21) and the second member (22) are circular tubular, the inside is a flow hole (211), and the flow holes (211) of the two members are communicated.

3. The degassing flow system according to claim 2, characterized in that the third member (23) is a T-shaped member, and the collinear ends are connected to the second members (22) on both sides, respectively, the rear end of the vertical section is fixedly connected to the degassing tank (1), the flow-through groove (231) is also a T-shaped groove, the collinear ends are connected to the second members (22), respectively, and the vertical end is connected to the degassing tank (1).

4. A degassing flow system according to claim 3, characterized in that the cross-sectional dimension of the flow channel (231) is larger than the cross-sectional dimension of the flow hole (211).

5. The degassing flow system according to claim 4, characterized in that a support (6) is arranged below the second part, the upper end of the support (6) is rotatably connected with the outer wall of the second part, and the bottom is connected with the equipment body.

6. A degassing flow path system according to any one of claims 1-5, characterized in that a baffle (13) is arranged inside the degassing tank, above the liquid inlet (12), and the width is equal to the width of the degassing chamber.

7. The degassing flow system according to claim 6, wherein the baffle (13) comprises a horizontal portion and a slope portion inclined downward at an obtuse angle to the horizontal portion, the horizontal portion is flush with the upper end surface of the liquid inlet (12), and the lower end of the slope portion is lower than the lower end surface of the liquid inlet (12).

8. The degassing flow path system according to claim 7, wherein a partition plate (15) is provided inside the degassing tank (1) to partition the degassing tank (1) into a plurality of degassing chambers (11), and a liquid inlet (12) is provided at a front end of each degassing chamber (11).

9. A degassing flow system according to claim 8, characterized in that the liquid inlet tank (232) is provided with a plurality of liquid inlets which are respectively communicated with different degassing chambers (11).

10. A degassing flow system according to claim 9, characterized in that the inner wall of the degassing tank (1) and the side of the partition (15) facing the degassing chamber (11) are provided with flow guiding blocks (14).