Molten aluminum sediment type launder structure

Abstract

The utility model relates to an aluminum liquid sediment type launder structure which comprises a furnace eye direct flow groove, a three-way sedimentation tank assembly, a filter box and a reducing direct flow groove which are connected in sequence, the launder depth of the three-way sedimentation tank assembly is larger than that of the furnace eye direct flow groove, and aluminum liquid flows into the three-way sedimentation tank assembly from the furnace eye direct flow groove, is subjected to secondary sedimentation and then flows into the reducing direct flow groove through the filter box. And the water flows into a mold plate after passing through the filter box and the variable-diameter straight flow groove. The launder structure is composed of a first variable-diameter sedimentation tank, a three-way launder, a deepened straight flow tank and a second variable-diameter sedimentation tank (with an overflow port), in the using process, the first variable-diameter sedimentation tank is in butt joint with a furnace eye launder, and then the rear end of the first variable-diameter sedimentation tank is sequentially connected with the three-way launder, the deepened straight flow tank and the second variable-diameter sedimentation tank; the rear end of the second reducing sedimentation tank is butted with the filter tank. And the molten aluminum falls at a low position through the first variable-diameter sedimentation tank and flows through a high position in the second variable-diameter sedimentation tank after slag is settled at the low position, so that the whole sedimentation process is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to molten aluminum production technical field especially is related to a molten aluminum sedimentary formula flow groove structure. BACKGROUND

[0002] At present, the molten aluminum flow guiding mode of many domestic aluminum plants is horizontal plane flow guiding, the molten aluminum flows through the flow groove, is filtered after passing through the filter box and directly enters the distribution disc for casting, but in the flowing process, since the flow channel of the flow guiding flow groove and the flow channel are in the same horizontal plane, the liquid level fluctuation is large during the rapid flow of the molten aluminum, the surface oxidation film is directly rolled into the molten aluminum, then enters the filter box, at the same time, since more oxidation residues enter the filter box, the regional plugging of the filter plate hole is caused, the water passing effect is poor, and the small particle oxidation residues can easily pass through the filter plate and be directly cast into the aluminum bar, causing the aluminum bar inclusion defect.

[0003] And the existing molten aluminum flow guiding groove generally adopts the parallel butt joint mode, that is, the bottoms of all the butt joint flow guiding grooves are in the same horizontal line, the flow guiding mode is: furnace eye - flow guiding groove - filter box - flow guiding groove - mold disc. In this process, the molten aluminum of the furnace eye part is in the jet flow out state due to the large melt static pressure, since the molten aluminum does not have the falling position difference when flowing through the flow guiding groove, the rolling fluctuation of the molten aluminum is large during the parallel flow, the residue rolling phenomenon is serious, at this time, the residue content entering the filter box is obviously increased, the water passing effect is poor, and part of the particle residues are finally collected on the mold disc above and are cast into the aluminum bar, causing the inclusion defect. UTILIZABLE NEW FEATURES

[0004] In view of the deficiencies of the prior art, the utility model aims at providing a molten aluminum sedimentary formula flow groove structure, which controls the falling position difference of the molten aluminum, rapidly settles the impurities, sharply reduces the oxidation residues of the molten aluminum entering the filter box, improves the water passing efficiency of the molten aluminum and achieves the purpose of purifying the molten aluminum.

[0005] The above utility model purpose of the utility model is realized through the following technical scheme:

[0006] A molten aluminum sedimentary formula flow groove structure, which comprises a furnace eye straight flow groove, a three-way sedimentation tank assembly, a filter box and a variable-diameter straight flow groove connected in sequence, the flow groove depth of the three-way sedimentation tank assembly is greater than the depth of the furnace eye straight flow groove, the molten aluminum flows into the three-way sedimentation tank assembly from the furnace eye straight flow groove, is secondarily settled, then flows into the mold disc after passing through the filter box and the variable-diameter straight flow groove.

[0007] As a further technical scheme of the utility model: the furnace eye straight flow groove is configured as two, the liquid outlets of the two furnace eye straight flow grooves are connected with the two liquid inlets of the three-way sedimentation tank assembly respectively, and the liquid outlet of the three-way sedimentation tank assembly is connected with the filter box.

[0008] As a further technical scheme of the utility model: the three-way sedimentation tank assembly includes two first variable-diameter sedimentation tanks, a three-way straight-flow tank, a deepened straight-flow tank and a second variable-diameter sedimentation tank, one end of the two first variable-diameter sedimentation tanks is connected with the liquid outlet of the two furnace eye straight-flow tanks respectively, the other end is connected on the two liquid inlets of the three-way straight-flow tank respectively, the liquid outlet of the three-way straight-flow tank is connected with the liquid inlet of the deepened straight-flow tank, the liquid outlet of the deepened straight-flow tank is connected with the liquid inlet of the second variable-diameter sedimentation tank, and the liquid outlet of the second variable-diameter sedimentation tank is connected with the liquid inlet of the filter box.

[0009] As a further technical scheme of the utility model: the first variable-diameter sedimentation tank and the furnace eye straight-flow tank are provided with first inclined surfaces at the connecting positions, and the second variable-diameter sedimentation tank and the filter box are provided with second inclined surfaces at the connecting positions.

[0010] As a further technical scheme of the utility model: the slope range of the first inclined surface and the second inclined surface is 130±5°.

[0011] As a further technical scheme of the utility model: the bottom of the furnace eye straight-flow tank, the three-way sedimentation tank assembly and the variable-diameter straight-flow tank is designed as a U-shaped arc.

[0012] As a further technical scheme of the utility model: the U-shaped opening radius of the first variable-diameter sedimentation tank and the second variable-diameter sedimentation tank is R125mm, the depth is 460mm, the width is 270mm, the wall thickness is 60mm, and the length is 850mm.

[0013] As a further technical scheme of the utility model: the depth of the three-way straight-flow tank is 460mm, the width is 270mm, the wall thickness is 60mm, and the length is 800mm.

[0014] As a further technical scheme of the utility model: the depth of the deepened straight-flow tank is 460mm, the width is 270mm, the wall thickness is 60mm, and the length is 600mm.

[0015] As a further technical scheme of the utility model: the second variable-diameter sedimentation tank is provided with an overflow opening.

[0016] In summary, the utility model has at least one of the following beneficial technical effects:

[0017] 1.The utility model discloses a molten aluminum sediment type flow groove structure, and the flow groove structure is composed of a first variable-diameter sediment tank, a three-way flow groove, a deepened direct current groove and a second variable-diameter sediment tank (with an overflow port). During use, the first variable-diameter sediment tank is butted against the furnace eye flow groove, and then the three-way flow groove, the deepened direct current groove and the second variable-diameter sediment tank are sequentially connected to the rear end of the first variable-diameter sediment tank, and the filter box is butted against the rear end of the second variable-diameter sediment tank. The molten aluminum falls to a low position through the first variable-diameter sediment tank, and after the slag in the low position is settled, the molten aluminum flows through a high position in the second variable-diameter sediment tank, thereby completing the entire settling process.

[0018] 2.The utility model discloses a molten aluminum falling position difference is controlled, and the impurities are quickly settled, so that the molten aluminum oxidation slag in the filter box is sharply reduced, the molten aluminum water efficiency is improved, and the purpose of purifying the molten aluminum is achieved.

[0019] 3.The utility model discloses a sediment tank slope design, which can control the flow rate of the molten aluminum in the early stage and give the slag sufficient settling time.

[0020] 4.The utility model discloses a bottom U-shaped arc design, which can more easily concentrate the settled slag at the center of the flow groove bottom.

[0021] 5.The utility model discloses a secondary settling process during the molten aluminum flowing through the low position, which further reduces the slag content before the molten aluminum enters the filter box and effectively ensures the purity of the molten aluminum. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the utility model.

[0023] Figure 2 It is a size schematic view of the first variable-diameter sediment tank of the utility model.

[0024] Figure 3 It is a size schematic view of the three-way direct current groove and the deepened direct current groove of the utility model.

[0025] Figure 4 It is a size schematic view of the second variable-diameter sediment tank of the utility model.

[0026] Reference signs: 1, furnace eye direct current groove; 2, three-way sediment tank assembly; 21, first variable-diameter sediment tank; 22, three-way direct current groove; 23, deepened direct current groove; 24, second variable-diameter sediment tank; 241, overflow port; 3, filter box; 4, variable-diameter direct current groove; 5, first inclined surface; 6, second inclined surface. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application, and all other embodiments obtained by a person of ordinary skill in the art without creative work based on the embodiments in the present application shall fall within the protection scope of the present application.

[0028] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For a person of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Embodiment one:

[0031] With reference to Figure 1 The utility model discloses an aluminum liquid sediment type flow groove structure, including the furnace eye direct current groove 1 that connects in proper order three way sedimentation tank subassembly 2, filter box 3 and variable diameter direct current groove 4, and the depth of three way sedimentation tank subassembly 2's flow groove is greater than the depth of furnace eye direct current groove 1, and the aluminum liquid flows into three way sedimentation tank subassembly 2 from furnace eye direct current groove 1, after secondary subsidence, after filter box 3 and variable diameter direct current groove 4, flow into mould disc.

[0032] The utility model discloses a kind of brand-new aluminum liquid sediment type flow groove structure, belong to optimization of aluminum alloy main flow passage structure, applicable to all aluminum alloy backflow sediment device structure, currently aluminum alloy solution flows out after melting furnace, since there is liquid level difference between flow groove and disc surface, aluminum liquid is fast in flow groove, liquid surface fluctuation is big, surface oxide film is easy to be rolled into aluminum liquid, cause aluminum bar organization to be inclusions quality hidden danger, the utility model starts from the aluminum liquid fluctuation caused by liquid level difference, solve the current aluminum liquid in the problem of rolling slag in the process of flowing through flow groove.

[0033] The utility model discloses from the direction of aluminium liquid sediment, propose a sediment formula flow groove structure, through the control aluminium liquid drop position difference, the quick settlement impurity, make reach the aluminium liquid oxidation residue in filter box 3 sharply reduce, improve the water efficiency of aluminium liquid, reach the purpose of purifying aluminium liquid.

[0034] The furnace eye straight flow groove 1 is arranged as two, and the liquid outlets of the two furnace eye straight flow grooves 1 are connected with the two liquid inlets of the three-way sediment tank assembly 2 respectively, and the liquid outlet of the three-way sediment tank assembly 2 is connected with the filter box 3.

[0035] Refer to Figure 1 The three-way sediment tank assembly 2 comprises two first variable-diameter sediment tanks 21 (variable-diameter sediment tank B), a three-way straight flow groove 22, a deepened straight flow groove 23 and a second variable-diameter sediment tank 24 (variable-diameter sediment tank A), one end of the two first variable-diameter sediment tanks 21 is connected with the liquid outlets of the two furnace eye straight flow grooves 1 respectively, the other end is connected with the two liquid inlets of the three-way straight flow groove 22 respectively, the liquid outlet of the three-way straight flow groove 22 is connected with the liquid inlet of the deepened straight flow groove 23, the liquid outlet of the deepened straight flow groove 23 is connected with the liquid inlet of the second variable-diameter sediment tank 24, and the liquid outlet of the second variable-diameter sediment tank 24 is connected with the liquid inlet of the filter box 3.

[0036] The connecting position of the first variable-diameter sediment tank 21 and the furnace eye straight flow groove 1 is provided with a first inclined surface 5, and the connecting position of the second variable-diameter sediment tank 24 and the filter box 3 is provided with a second inclined surface 6.

[0037] The bottom of the furnace eye straight flow groove 1, the three-way sediment tank assembly 2 and the variable-diameter straight flow groove 4 is designed as a U-shaped arc. Figures 2-4 The U-shaped opening radius of the first variable-diameter sediment tank 21 and the second variable-diameter sediment tank 24 is R125mm, the depth is 460mm, the width is 270mm, the wall thickness is 60mm, and the length is 850mm. The depth of the three-way straight flow groove 22 is 460mm, the width is 270mm, the wall thickness is 60mm, and the length is 800mm. The depth of the deepened straight flow groove 23 is 460mm, the width is 270mm, the wall thickness is 60mm, and the length is 600mm. The second variable-diameter sediment tank 24 is provided with an overflow port 241.

[0038] The structure flow groove must be connected with the furnace eye straight flow groove 1 when it is put into use, then the first variable-diameter settling tank 21, the three-way straight flow groove 22, the deepened straight flow groove 23, the second variable-diameter settling tank 24, the filter box 3, the variable-diameter straight flow groove 4 and the die plate are connected in sequence after the connection, after the connection, the molten aluminum flows out of the furnace eye to the first variable-diameter settling tank 21, flows into the low-position flow groove along the slope of the first variable-diameter settling tank 21, at this time, the slag of the rolling molten aluminum starts to settle at the low position, and slowly flows to the second variable-diameter settling tank 24 along the flowing direction of the molten aluminum, when reaching the slope of the first variable-diameter settling tank 21, the liquid level of the molten aluminum rises, the slag of the molten aluminum is blocked to settle for the second time, and the settled molten aluminum finally flows into the die plate through the filter box 3.

[0039] The embodiment principle of the utility model is: the utility model discloses a molten aluminum slag type flow groove structure, this flow groove structure is composed of first variable-diameter settling tank 21, three-way flow groove, deepened straight flow groove 23, second variable-diameter settling tank 24 (with overflow port 241), in the use, first variable-diameter settling tank 21 is connected with furnace eye flow groove, then the back end of first variable-diameter settling tank 21 is connected three-way flow groove, deepened straight flow groove 23, second variable-diameter settling tank 24 in proper order, and the back end of second variable-diameter settling tank 24 is connected filter box 3. The molten aluminum falls in the low position through first variable-diameter settling tank 21, and after the slag in the low position settles, flows through the high position in second variable-diameter settling tank 24, and completes the whole settling process.

[0040] The embodiments of the specific embodiment are the preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: all equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A metal pad structure for a metal pad type flow channel, characterized by comprising: The application relates to a furnace eye direct flow tank (1), a three-way sedimentation tank assembly (2), a filter box (3) and a variable-diameter direct flow tank (4) which are sequentially connected, the depth of the flow tank of the three-way sedimentation tank assembly (2) is greater than the depth of the furnace eye direct flow tank (1), the aluminum liquid flows into the three-way sedimentation tank assembly (2) from the furnace eye direct flow tank (1), flows into a mold disc after secondary sedimentation through the filter box (3) and the variable-diameter direct flow tank (4).

2. A run-out chute structure for molten aluminium dross according to claim 1 wherein, The furnace eye direct flow tank (1) is arranged in two, the liquid outlets of the two furnace eye direct flow tanks (1) are respectively connected with the two liquid inlets of the three-way sedimentation tank assembly (2), and the liquid outlet of the three-way sedimentation tank assembly (2) is connected with the filter box (3).

3. A metal pad structure according to claim 2, wherein The three-way sedimentation tank assembly (2) comprises two first variable-diameter sedimentation tanks (21), a three-way direct flow tank (22), a deepened direct flow tank (23) and a second variable-diameter sedimentation tank (24), one end of each of the two first variable-diameter sedimentation tanks (21) is connected with the liquid outlet of each of the two furnace eye direct flow tanks (1), the other end of each of the two first variable-diameter sedimentation tanks (21) is connected with the two liquid inlets of the three-way direct flow tank (22), the liquid outlet of the three-way direct flow tank (22) is connected with the liquid inlet of the deepened direct flow tank (23), the liquid outlet of the deepened direct flow tank (23) is connected with the liquid inlet of the second variable-diameter sedimentation tank (24), and the liquid outlet of the second variable-diameter sedimentation tank (24) is connected with the liquid inlet of the filter box (3).

4. A run-out chute structure for molten aluminium dross according to claim 3 wherein, The connection position of the first variable-diameter sedimentation tank (21) and the furnace eye direct flow tank (1) is provided with a first inclined surface (5), and the connection position of the second variable-diameter sedimentation tank (24) and the filter box (3) is provided with a second inclined surface (6).

5. A runnin s s structure according to claim 4, wherein The slope range of the first inclined surface (5) and the second inclined surface (6) is 130+ / -5 degrees.

6. A metal pad structure according to claim 3, wherein The bottom of the furnace eye direct flow tank (1), the three-way sedimentation tank assembly (2) and the variable-diameter direct flow tank (4) is designed in a U-shaped arc.

7. A metal pad structure according to claim 3, wherein The U-shaped opening of the first variable-diameter sedimentation tank (21) and the second variable-diameter sedimentation tank (24) has a radius of R125mm, a depth of 460mm, a width of 270mm, a wall thickness of 60mm and a length of 850mm.

8. A run-out chute structure for molten aluminium dross according to claim 3 wherein, The three-way direct flow tank (22) has a depth of 460mm, a width of 270mm, a wall thickness of 60mm and a length of 800mm.

9. A metal pad structure according to claim 3, wherein The deepened direct flow tank (23) has a depth of 460mm, a width of 270mm, a wall thickness of 60mm and a length of 600mm.

10. A metal pad structure according to claim 3, wherein The second variable-diameter sedimentation tank (24) is provided with an overflow port (241).

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