CN113996769A - Feeding system of aluminum casting and rolling machine - Google Patents
Feeding system of aluminum casting and rolling machine Download PDFInfo
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- CN113996769A CN113996769A CN202111318726.6A CN202111318726A CN113996769A CN 113996769 A CN113996769 A CN 113996769A CN 202111318726 A CN202111318726 A CN 202111318726A CN 113996769 A CN113996769 A CN 113996769A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 228
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 228
- 238000005096 rolling process Methods 0.000 title claims abstract description 23
- 238000005266 casting Methods 0.000 title claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 228
- 238000007667 floating Methods 0.000 claims abstract description 42
- 239000012535 impurity Substances 0.000 claims abstract description 23
- 238000005204 segregation Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005484 gravity Effects 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 5
- 239000004411 aluminium Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 239000002344 surface layer Substances 0.000 abstract description 11
- 239000010410 layer Substances 0.000 description 18
- 239000000047 product Substances 0.000 description 17
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000028659 discharge Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/003—Aluminium alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/103—Distributing the molten metal, e.g. using runners, floats, distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
- B22D43/001—Retaining slag during pouring molten metal
- B22D43/004—Retaining slag during pouring molten metal by using filtering means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a feeding system of an aluminum casting and rolling machine, wherein a chute comprises a advection section, an oblique flow section and a slow flow section which are sequentially arranged along the flowing direction of aluminum liquid, wherein an aluminum water filter screen for filtering impurities and specific gravity segregation in the aluminum liquid is arranged on the oblique flow section, the aluminum water filter screen and the advection section are positioned on the same horizontal plane, a floating mechanism which floats up and down along the liquid level of the aluminum liquid in the chute and can disturb the liquid level of the aluminum liquid is arranged in the chute, a partition plate is arranged in the inner cavity of a front box and divides the inner cavity of the front box into a front cavity and a rear cavity, and a liquid level adjusting mechanism which can adjust the aperture of a convection port according to the height of the liquid level of the aluminum liquid in the rear cavity is arranged on a sealing cover; the invention can not only disturb and destroy the surface layer of the aluminum liquid in the aluminum liquid conveying process and effectively filter the aluminum liquid, but also adjust the liquid level of the aluminum liquid in the front box in real time, ensure that the liquid level height of the aluminum liquid is in a reasonable range and effectively ensure the stability of the aluminum liquid in the aluminum liquid conveying process to the casting and rolling machine.
Description
Technical Field
The invention relates to the technical field of aluminum processing, in particular to a feeding system of an aluminum casting and rolling machine.
Background
Continuous casting and rolling of aluminum strips is a metal casting and rolling method for continuously making liquid aluminum into blanks through a rotating crystallizer and simultaneously rolling the blanks into strips, wherein a feeding system of an aluminum casting and rolling machine mainly comprises a launder for conveying aluminum liquid and a front box for controlling the liquid level of the aluminum liquid.
When the existing launder is used for conveying aluminum liquid, because aluminum liquid is easy to form an alumina layer on the surface layer due to the contact with air, and the quality of subsequent aluminum products is influenced, the aluminum liquid is often cleaned by workers manually on the alumina layer on the surface layer of the aluminum liquid in the aluminum liquid conveying process, the operation is time-consuming and labor-consuming, and certain potential safety hazards also exist, in addition, in the aluminum liquid conveying process, although the aluminum liquid can be subjected to the procedures of impurity removal, degassing and the like, in the aluminum liquid conveying process, the aluminum liquid inevitably has segregation phenomenon, and is contacted with air to generate aluminum liquid oxidation to form an aluminum liquid oxidation layer, wherein light segregation metal and the aluminum liquid oxidation layer in the aluminum liquid float on the surface of the aluminum liquid, impurities and heavy segregation metal in the aluminum liquid are positioned at the lower layer of the aluminum liquid, if the effective cleaning can not be carried out, the processing quality of the subsequent aluminum products can be seriously influenced, the aluminum melting launder with the bulletin number of CN103267419B is disclosed in the prior art, the stepped reducing type blocking bodies are arranged at the upper part and the lower part of the flow groove, so that the specific gravity segregation products on the surface layer and the bottom layer of the aluminum liquid can be blocked, the impurities on the surface layer and the bottom layer of the aluminum liquid can be effectively blocked, the quality of the aluminum product is improved, but the structure of the flow groove is changed, so that the inner diameter of the flow groove is changed, the conveying of the aluminum liquid is influenced, a large amount of aluminum liquid and impurities are easy to remain in the flow groove, and the subsequent cleaning of the flow groove is inconvenient;
the balance between the static pressure of the supplied flow of the aluminum liquid generated by the height difference between the liquid level of the aluminum liquid in the front box and the plane of the rolling central line and the surface tension of the aluminum liquid in the casting and rolling area is one of necessary conditions for ensuring the continuous casting and rolling production and the product quality, once the fluctuation range of the liquid level of the aluminum liquid in the front box exceeds an allowable value, the cast and rolling aluminum plate belt has a plate surface defect, and if serious, aluminum leakage or plate breakage accidents can be caused, so the liquid level of the aluminum liquid in the front box needs to be efficiently and accurately regulated, the existing front box has a simpler structure, when the aluminum liquid is conveyed into the front box through a launder, the impact strength of the aluminum liquid on the aluminum liquid in the front box is larger, the fluctuation of the aluminum liquid in the front box is easily caused, the stability of the aluminum liquid is influenced, and at present, the regulation of the liquid level in the front box is often regulated through the launder when the liquid level is regulated, the regulation of the liquid level in the front box is realized, and the regulation efficiency is not high, adversely affecting the processing quality of the aluminum product.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a feeding system of an aluminum casting and rolling machine, which utilizes a floating mechanism and an aluminum water filter screen in a flow groove, not only can disturb and destroy the surface of aluminum liquid and effectively reduce the formation of an aluminum oxide layer on the surface of the aluminum liquid, but also can effectively filter the aluminum liquid, realize the filtration of the aluminum oxide layer on the surface of the aluminum liquid, impurities and specific gravity segregation products and greatly improve the quality of the aluminum liquid; the front cavity and the rear cavity which are communicated with each other are arranged in the front box, and the liquid level adjusting mechanism is utilized, so that the stability of aluminum liquid in the rear cavity is effectively guaranteed, the fluctuation of the liquid level is avoided when the aluminum liquid is injected, the caliber of a throttle opening can be adjusted in real time according to the height of the liquid level of the aluminum liquid in the rear cavity, and the liquid level of the aluminum liquid in the rear cavity and the rolling center line of a casting and rolling machine are always kept in a reasonable error range.
In order to achieve the purpose, the invention adopts the following technical scheme:
a feeding system of an aluminum casting and rolling machine comprises a flow groove and a front box, wherein the flow groove comprises a advection section, an oblique flow section and a slow flow section which are sequentially arranged along the flowing direction of aluminum liquid, the outer end of the advection section is communicated with a liquid discharge port of an aluminum liquid static furnace, the oblique flow section is provided with an aluminum water filter screen for filtering impurities and specific gravity segregation in the aluminum liquid, the aluminum water filter screen and the advection section are positioned on the same horizontal plane, a floating mechanism which floats up and down along the liquid level of the aluminum liquid in the flow groove and can disturb the liquid level of the aluminum liquid is arranged in the flow groove, a baffle is arranged in the inner cavity of the front box, the baffle divides the inner cavity of the front box into a front cavity and a rear cavity, one side of the front cavity is provided with a liquid inlet communicated with the outer end of the slow flow section, the bottom of the baffle is provided with a circulation port communicated with the front cavity and the rear cavity, the upper part of the rear cavity is provided with an openable sealing cover, the sealing cover is provided with a liquid level adjusting mechanism which can adjust the aperture of a convection port according to the height of the liquid level of the aluminum liquid level in the rear cavity, one side of the rear cavity is provided with a liquid outlet communicated with the casting nozzle of the aluminum casting and rolling machine.
Further, floating mechanism includes pole setting, floats piece and dog, and advection section and the slow current section in the chute all are equipped with the pole setting, are equipped with clearance fit on the pole setting body of rod and have and can follow pole setting axial slip, can use the pole setting to carry out pivoted showy piece as the axle center again, and showy piece lateral wall evenly distributed has the several curb plate, and the curb plate lower extreme visits into aluminium liquid top layer, and the pole setting upper end is equipped with and is used for carrying out spacing dog that blocks to showy piece.
Furthermore, the upper surface of the check block is provided with a lamp holder, an indicator lamp is arranged in the lamp holder, and the lower surface of the check block is provided with a sensing switch which can sense the touch of the floating block and control the indicator lamp to light up.
Further, aluminium water filter screen one end is equipped with the plug, and the oblique flow section is equipped with and cooperates the installing port with the plug grafting, and the aluminium water filter screen other end is equipped with and is used for separating bending that keeps off impurity and proportion segregation in the aluminium water.
Further, liquid level adjustment mechanism includes horizontal pole, baffle, branch, movable rod and floats the board, and the baffle up end be equipped with baffle clearance fit's slot, and the bottom surface link up with the circulation mouth in the slot mutually, seals to cover the upper face and is equipped with branch, and the horizontal pole middle part is connected with branch upper end is articulated, and horizontal pole one end is connected with the baffle upper end, and the other end of horizontal pole is equipped with the activity and runs through the movable rod of sealing the lid, and the movable rod lower extreme is equipped with and floats the board.
Further, the inner bottom surface of the front cavity is an arc-shaped bottom surface, and a discharge port A is formed in the arc-shaped bottom surface.
Furthermore, the bottom surface of the rear cavity is an inclined bottom surface, and the lower end of the inclined bottom surface is provided with a discharge port B.
Furthermore, a buffer plate for carrying out shunting and buffering treatment on the aluminum liquid flowing in through the circulation port is arranged on the inner bottom surface of the rear cavity.
Furthermore, one side face of the buffer plate facing the circulation port is a flow distribution face with the middle part protruding outwards.
Furthermore, the side walls of the two sides of the launder are provided with heating pipes for heating the aluminum liquid.
Compared with the prior art, the invention has the beneficial effects that: by utilizing the floating mechanism and the molten aluminum filter screen in the chute, the turbulent flow damage can be carried out on the surface of the molten aluminum, the formation of an aluminum oxide layer on the surface of the molten aluminum is effectively reduced, the molten aluminum can be effectively filtered, the filtration of the aluminum oxide layer on the surface of the molten aluminum, impurities and specific gravity segregation products is realized, and the quality of the molten aluminum is greatly improved; the front cavity and the rear cavity which are communicated with each other and the liquid level adjusting mechanism are arranged in the front box, so that the stability of aluminum liquid in the rear cavity is effectively ensured, the fluctuation of the liquid level caused by the injection of the aluminum liquid is avoided, the caliber of a throttle opening can be adjusted in real time according to the height of the liquid level of the aluminum liquid in the rear cavity, and the liquid level of the aluminum liquid in the rear cavity and the rolling center line of a casting and rolling machine are always kept in a reasonable error range;
by utilizing the floating mechanism, the floating block can float up and down along with the height of the liquid level of the aluminum liquid in the launder, and the floating block is driven to rotate by the impact of the aluminum liquid on the side plate, so that the side plate is utilized to carry out turbulence damage on the surface of the aluminum liquid, the formation of an aluminum oxide layer on the surface of the aluminum liquid is effectively reduced, and the quality of the aluminum liquid is improved;
by installing the indicating lamp and the inductive switch on the stop block, when the molten aluminum in the launder is excessive, the liquid level of the molten aluminum rises beyond a safe range, the floating block floats upwards along with the liquid level of the molten aluminum and touches the inductive switch, the indicating lamp is lighted to send out a warning, and a worker regulates and controls the flow of the molten aluminum in the launder by regulating the flow of the liquid discharging port of the static furnace;
the aluminum water filter screen which is horizontal to the advection section is arranged on the oblique flow section, so that the aluminum liquid inevitably passes through the aluminum water filter screen when flowing to the oblique flow section, thereby filtering an alumina layer on the surface layer of the aluminum liquid, impurities in the aluminum liquid and specific gravity segregation products, and greatly improving the processing and production quality of the aluminum plate belt;
the floating plate floats on the surface of the aluminum liquid in the rear cavity by using the liquid level adjusting mechanism, when the liquid level of the aluminum liquid in the rear cavity is raised due to overlarge injection amount of the aluminum liquid, the floating plate is raised along with the liquid level of the aluminum liquid, one end of the cross rod is jacked up by the movable rod, and the other end of the cross rod is inevitably lowered after one end of the cross rod is raised, so that the baffle connected with the other end of the cross rod is pressed downwards, the baffle is used for reducing the aperture of the circulation port in a blocking manner, otherwise, the liquid level of the aluminum liquid is too low, the floating plate is lowered, the aperture of the circulation port is enlarged by raising the baffle, the liquid level adjusting mechanism is used for adjusting the aperture of the circulation port in real time according to the liquid level height of the aluminum liquid, the stability of the liquid level in the rear cavity is ensured, and the processing production quality of the aluminum plate belt is effectively improved;
through the front cavity with the inner bottom surface being the arc-shaped bottom surface and the discharge port A arranged on the arc-shaped bottom surface, not only can the impurities or heavy segregation products precipitated in the aluminum liquid in the front cavity be intensively accumulated in the middle of the arc-shaped bottom surface, but also the discharge treatment is carried out through the discharge port A, and the cleaning in the front cavity at the later stage is facilitated;
through the rear cavity with the inner bottom surface being the inclined bottom surface and the discharge port B arranged at the bottom end of the inclined bottom surface, the aluminum liquid in the rear cavity can flow towards the liquid outlet, so that the subsequent aluminum liquid can be discharged conveniently, and impurities or heavy segregation products after the aluminum liquid in the rear cavity is precipitated can be accumulated in a concentrated manner along the inclined bottom surface and discharged through the discharge port B for treatment;
by arranging the buffer plate, the aluminum liquid flowing in through the circulation port can be buffered and shunted, the impact of the injected aluminum liquid on the liquid outlet is effectively avoided, the stability of liquid outlet liquid of the liquid outlet is ensured, the impact of the injected aluminum liquid on the aluminum liquid in the rear cavity is greatly reduced, and the floating of the aluminum liquid is avoided;
in the conveying process of the aluminum liquid, the invention not only can carry out turbulent flow damage on the surface layer of the aluminum liquid and greatly reduce the formation of an aluminum oxide layer, but also can filter the aluminum oxide layer on the surface layer of the aluminum liquid, impurities in the aluminum liquid and specific gravity segregation products, thereby providing guarantee for the processing quality of subsequent aluminum plate strips; by dividing the front box into two cavities for containing the aluminum liquid, the liquid level of the aluminum liquid in the front box can be adjusted in real time, the liquid level height of the aluminum liquid is ensured to be in a reasonable range, and the stability of the aluminum liquid in the process of conveying the aluminum liquid to a casting and rolling machine is effectively ensured; the invention provides powerful help for high-quality conveying of aluminum liquid and provides powerful support for processing and production of aluminum plate belts.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the launder of the present invention;
FIG. 3 is a schematic view of the structure of the aluminum water filter screen of the present invention;
FIG. 4 is a schematic view of the floating mechanism of the present invention;
FIG. 5 is a schematic view of the front box structure of the present invention;
FIG. 6 is a schematic diagram of a buffer structure according to the present invention.
In the figure: 1. a launder; 2. a floating mechanism; 3. an aluminum water filter screen; 4. a liquid inlet; 5. a front cavity; 6. a liquid level adjusting mechanism; 7. a rear cavity; 8. a front box; 9. a partition plate; 10. a liquid outlet; 11. a flow port; 12. a advection section; 13. an installation port; 14. a diagonal flow section; 15. heating a tube; 16. a slow flow section; 17. a plug; 18. bending; 19. an indicator light; 20. a lamp socket; 21. a stopper; 22. an inductive switch; 23. erecting a rod; 24. a through hole A; 25. a floating block; 26. a side plate; 27. a discharge port A; 28. an arcuate bottom surface; 29. a cross bar; 30. a baffle plate; 31. a strut; 32. a movable rod; 33. sealing cover; 34. a through hole B; 35. a floating plate; 36. a slot; 37. a buffer plate; 38. an inclined bottom surface; 39. a discharge port B; 40. and (4) a flow dividing surface.
Detailed Description
In the following description, the technical solutions of the present invention will be described with reference to the drawings of the embodiments of the present invention, and it should be understood that, if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present invention, and it is convenient to describe the present invention, but it is not necessary to indicate or imply that the indicated devices or elements have a specific orientation.
Referring to the attached drawings 1-6 in the specification, the invention provides a technical scheme:
in the first embodiment, please refer to fig. 1, 2, 4, and 5 of the specification, an aluminum casting and rolling mill feeding system includes a launder 1 and a front box 8, the launder 1 includes a advection section 12, an oblique section 14, and a slow flow section 16 sequentially arranged along the aluminum liquid flowing direction, the advection section 12, the oblique section 14, and the slow flow section 16 form a ladder-shaped launder 1, wherein the slow flow section 16 has a length greater than that of the advection section 12, so as to ensure that the aluminum liquid can maintain a stable flow velocity when flowing into the front box 8, the outer end of the advection section 12 is communicated with a liquid discharge port of a stationary furnace for the aluminum liquid, the oblique section 14 is provided with an aluminum water filter screen 3 for filtering impurities and specific gravity segregation in the aluminum liquid, and the aluminum water filter screen 3 and the advection section 12 are on the same horizontal plane, when the aluminum liquid flows to the oblique section 14 via the advection section 12, the aluminum liquid will inevitably pass through the aluminum water filter screen 3, so that the aluminum water filter screen 3 can completely and effectively filter the aluminum liquid, further effectively filtering an aluminum oxide layer on the surface of the aluminum liquid, impurities in the aluminum liquid and a specific gravity segregation product in the aluminum liquid;
the flow groove 1 is internally provided with a floating mechanism 2 which floats up and down along with the liquid level of the aluminum liquid in the flow groove 1 and can disturb the liquid level of the aluminum liquid, concretely, the floating mechanism 2 comprises an upright rod 23, a floating block 25 and a stop block 21, the upright rod 23 and the floating block 25 are both of cylindrical structures, the advection section 12 and the slow flow section 16 in the flow groove 1 are both provided with the upright rod 23, the floating block 25 is provided with a through hole A24 which is in clearance fit with the upright rod 23, the floating block 25 is in up-and-down sliding fit with the upright rod 23 through a through hole A24, the side wall of the floating block 25 is uniformly distributed with a plurality of side plates 26, and the lower end of the side plate 26 extends into the surface layer of the aluminum liquid, the aluminum liquid impacts the side plate 26 in the flowing process, the side plate 26 is forced to drive the floating block 25 to rotate by taking the upright rod 23 as the axis, the floating block 25 and the side plate 26 can disturb and damage the surface layer of the aluminum liquid in the rotating process, thereby avoiding the aluminum liquid surface layer from excessively contacting with air to form an alumina layer, and the upper end of the upright rod 23 is provided with a stop block 21 for limiting and blocking the floating block 25;
in order to avoid that the aluminum liquid is adhered to the inner wall of the launder 1 to generate impurities and influence the processing quality of subsequent products due to the fact that the temperature of the aluminum liquid is too fast in the flowing process of the aluminum liquid in the launder 1, the side walls on the two sides of the launder 1 are respectively provided with a heating pipe 15 for heating the aluminum liquid, and particularly, the heating pipes 15 are arranged on the middle lower parts of the side walls on the two sides of the launder 1, so that the side walls of the launder 1 and the connection part of the side walls and the inner bottom surface of the launder 1 can both ensure enough temperature;
the inner cavity of the front box 8 is provided with a clapboard 9, the clapboard 9 divides the inner cavity of the front box 8 into a front cavity 5 and a rear cavity 7, one side of the front cavity 5 is provided with a liquid inlet 4 communicated with the outer end of the slow flow section 16, the bottom of the clapboard 9 is provided with a circulation port 11 communicated with the front cavity 5 and the rear cavity 7, the upper part of the rear cavity 7 is provided with a sealing cover 33 which can be opened and closed, one side of the sealing cover 33 is hinged with the rear cavity 7, the sealing cover 33 is provided with a liquid level adjusting mechanism 6 capable of adjusting the caliber of the circulation port 11 according to the height of the liquid level of the molten aluminum in the rear cavity 7, concretely, the liquid level adjusting mechanism 6 comprises a cross rod 29, a baffle 30, a support rod 31, a movable rod 32 and a floating plate 35, the upper end surface of the clapboard 9 is provided with an inserting slot 36 in clearance fit with the baffle 30, the inner bottom surface of the inserting slot 36 is communicated with the circulation port 11, the upper end surface of the sealing cover 33 is provided with the support rod 31, the middle part of the cross rod 29 is hinged with the upper end of the support rod 31, one end of the cross bar 29 is connected with the upper end of the baffle 30, the other end of the cross bar 29 is provided with a movable rod 32, a through hole B34 corresponding to the movable rod 32 is arranged on the sealing cover 33, the lower end of the movable rod 32 extends into the rear cavity 7 through a through hole B34, the end part of the movable rod is provided with a floating plate 35, the floating plate 35 can adopt an area matched with the rear cavity 8, so as to improve the stability of the liquid level of the aluminum liquid, when the liquid level of the aluminum liquid in the rear cavity 7 is increased due to overlarge injection amount of the aluminum liquid, the floating plate 35 rises along with the liquid level of the aluminum liquid, one end of the cross bar 29 is jacked up through the movable rod 32, the other end of the cross bar 29 is inevitably descended after one end of the cross bar 29 rises, so as to press the baffle 30 connected with the other end of the cross bar 29 downwards, the baffle 30 is used for separating and rising the aperture of the flow port 11, otherwise, the floating plate 35 descends, the aperture of the flow port 11 is enlarged, so as to realize the real-time adjustment of the liquid level in the rear cavity 7, the stability of the liquid level of the aluminum liquid is ensured, and one side of the rear cavity 7 is provided with a liquid outlet 10 communicated with a casting nozzle of an aluminum casting and rolling machine.
In the second embodiment, please refer to fig. 2 and 3 of the specification, in order to facilitate the installation and the detachment of the molten aluminum filter screen 3, one end of the molten aluminum filter screen 3 is provided with a plug 17, the oblique flow section 14 is provided with an installation port 13 in insertion fit with the plug 17, so as to prevent the filtered impurities on the molten aluminum filter screen 3 from being washed back into the molten aluminum during the continuous flowing process of the molten aluminum, and the other end of the molten aluminum filter screen 3 is provided with a bend 18 for blocking the impurities and specific gravity segregation in the molten aluminum.
In the third embodiment, please refer to fig. 4 of the specification, in order to facilitate the workers to check the conveying state of the aluminum liquid and clean the subsequent runner 1, the runner 1 is mostly U-shaped, too large flow of the aluminum liquid in the runner 1 not only easily causes the aluminum liquid to spill out and causes waste or scald the workers, but also affects the stability of the aluminum liquid in the front box 8, in order to facilitate the workers to know the height of the aluminum liquid level in the runner 1 in real time and avoid the aluminum liquid level from being too high, the upper surface of the stop block 21 is provided with the lamp holder 20, the lamp holder 20 is internally provided with the power supply, the lamp holder 20 is internally provided with the indicator lamp 19, the lower surface of the stop block 21 is provided with the inductive switch 22 which is touched and senses through the floating block 25 and controls the indicator lamp 19 to light up, when too much aluminum liquid level in the runner 1 rises beyond the safety range, the floating block 25 touches the inductive switch 22 along with the floating of the floating aluminum liquid level, the indicator lamp 19 lights up to send out a warning, the flow of the aluminum liquid in the launder 1 is regulated and controlled by the staff by regulating the flow of the liquid discharging port of the static furnace.
In the fourth embodiment, please refer to fig. 1 and 5 of the specification, although the residence time of the aluminum liquid in the front chamber 5 and the rear chamber 7 in the front box 8 is short, the impurities and the gravity segregation products in the aluminum liquid will still precipitate to the bottom surface in the front box 8, so as to facilitate the subsequent cleaning of the impurities and the gravity segregation products remaining in the front box 8, and ensure the cleanness in the front box 8, the bottom surface in the front chamber 5 is an arc bottom surface 28, the arc bottom surface 28 is provided with a discharge port a27, the bottom surface of the rear chamber 7 is an inclined bottom surface 38, the lower end of the inclined bottom surface 38 is provided with a discharge port B39, correspondingly, the lower ends of the discharge port 10 and the inclined bottom surface 38 of the rear chamber 7 have a certain distance, and the impurities or the gravity segregation products after the aluminum liquid is precipitated can be concentrated and accumulated by using the arc bottom surface 28 and the inclined bottom surface 40, and then discharged and processed through the discharge port.
Fifth embodiment, please refer to description attached drawings 5 and 6, aluminium liquid in the front cavity 5 flows into the back cavity 8 through the circulation port 11, in order to avoid causing great impact to aluminium liquid in the back cavity 8 when aluminium liquid flows in through the circulation port 11, the stability of aluminium liquid in the back cavity 8 is affected, the bottom surface is equipped with the buffer board 37 that is used for shunting and buffering the aluminium liquid that flows in through the circulation port 11 in the back cavity 7, specifically, one side face of the buffer board 37 towards the circulation port 11 is the outside bellied reposition of redundant personnel face 40 in middle part, can buffer the aluminium liquid that flows in through the circulation port and shunt, effectively avoid pouring into the impact of aluminium liquid to the liquid outlet, the stability of liquid outlet has not only been guaranteed, and reduce the impact of aluminium liquid in the back cavity in the injection process greatly, avoid the unsteady of aluminium liquid.
The invention is not described in detail in the prior art, and it is apparent to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the scope of the claims concerned.
Claims (10)
1. The utility model provides an aluminium casting and rolling mill charge-in system, includes chute (1) and front box (8), its characterized in that: the chute (1) comprises a advection section (12), an oblique flow section (14) and a slow flow section (16) which are sequentially arranged along the flowing direction of aluminum liquid, the outer end of the advection section (12) is communicated with a liquid discharge port of an aluminum liquid static furnace, the oblique flow section (14) is provided with an aluminum water filter screen (3) for filtering impurities and specific gravity segregation in the aluminum liquid, the aluminum water filter screen (3) and the advection section (12) are positioned on the same horizontal plane, a floating mechanism (2) which floats up and down along the liquid level of the aluminum liquid in the chute (1) and can disturb the liquid level of the aluminum liquid is arranged in the chute (1), the inner cavity of the front box (8) is provided with a partition plate (9), the partition plate (9) divides the inner cavity of the front box (8) into a front cavity (5) and a rear cavity (7), one side of the front cavity (5) is provided with a liquid inlet (4) communicated with the outer end of the slow flow section (16), the bottom of the partition plate (9) is provided with a flow port (11) for communicating the front cavity (5) and the rear cavity (7), the upper part of the rear cavity (7) is provided with a sealing cover (33) which can be opened and closed, the sealing cover (33) is provided with a liquid level adjusting mechanism (6) which can adjust the caliber of the convection port (11) according to the height of the liquid level of the molten aluminum in the rear cavity (7), and one side of the rear cavity (7) is provided with a liquid outlet (10) communicated with the casting nozzle of the aluminum casting and rolling machine.
2. The aluminum caster feed system of claim 1, wherein: float mechanism (2) including pole setting (23), float piece (25) and dog (21), advection section (12) and gentle buffer (16) in chute (1) all are equipped with pole setting (23), it has can follow pole setting (23) endwise slip to be equipped with clearance fit on the pole setting (23) body of rod, can use pole setting (23) to carry out pivoted float piece (25) as the axle center again, float piece (25) lateral wall evenly distributed has several curb plate (26), and curb plate (26) lower extreme probes into aluminium liquid top layer, pole setting (23) upper end is equipped with and is used for carrying out spacing dog (21) that block kept off to floating piece (25).
3. The aluminum caster feed system of claim 2, wherein: the upper surface of the stop block (21) is provided with a lamp holder (20), an indicator lamp (19) is arranged in the lamp holder (20), and the lower surface of the stop block (21) is provided with an inductive switch (22) which is touched and inducted through a floating block (25) and controls the indicator lamp (19) to light up.
4. The aluminum caster feed system of claim 1, wherein: one end of the molten aluminum filter screen (3) is provided with a plug (17), the oblique flow section (14) is provided with a mounting port (13) which is in plug-in fit with the plug (17), and the other end of the molten aluminum filter screen (3) is provided with a bend (18) which is used for separating impurities and specific gravity segregation in molten aluminum.
5. The aluminum caster feed system of claim 1, wherein: liquid level adjustment mechanism (6) are including horizontal pole (29), baffle (30), branch (31), movable rod (32) and floating plate (35), baffle (9) up end be equipped with baffle (30) clearance fit's slot (36), and the bottom surface link up with circulation mouth (11) in slot (36) mutually, sealing cover (33) top surface is equipped with branch (31), horizontal pole (29) middle part is connected with branch (31) upper end is articulated, horizontal pole (29) one end is connected with baffle (30) upper end, the other end of horizontal pole (29) is equipped with activity and runs through movable rod (32) of sealing cover (33), movable rod (32) lower extreme is equipped with floating plate (35).
6. The aluminum caster feed system of claim 1, wherein: the inner bottom surface of the front cavity (5) is an arc bottom surface (28), and the arc bottom surface (28) is provided with a discharge port A (27).
7. The aluminum caster feed system of claim 1, wherein: the bottom surface of the rear cavity (7) is an inclined bottom surface (38), and the lower end of the inclined bottom surface (38) is provided with a discharge port B (39).
8. The aluminum caster feed system of claim 7, wherein: the inner bottom surface of the rear cavity (7) is provided with a buffer plate (37) for carrying out shunting and buffering treatment on the aluminum liquid flowing in through the circulation port (11).
9. The aluminum caster feed system of claim 81, wherein: one side plate surface of the buffer plate (37) facing the circulation port (11) is a flow distribution surface (40) with the middle part protruding outwards.
10. The aluminum caster feed system of claim 1, wherein: the side walls of both sides of the launder (1) are provided with heating pipes (15) for heating aluminum liquid.
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| CN202111318726.6A CN113996769A (en) | 2021-11-09 | 2021-11-09 | Feeding system of aluminum casting and rolling machine |
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| CN202111318726.6A CN113996769A (en) | 2021-11-09 | 2021-11-09 | Feeding system of aluminum casting and rolling machine |
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| CN116748505A (en) * | 2023-08-17 | 2023-09-15 | 福建创世纪铝业有限公司 | Aluminum strip processing equipment |
| CN118305278A (en) * | 2024-04-09 | 2024-07-09 | 绍兴市天龙锡材有限公司 | Soft solder wire manufacturing equipment and process thereof |
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