CN212419552U - Liquid flowing device for cast rolling production of wide 8006 alloy container foil - Google Patents

Abstract

A liquid flowing device for cast rolling production of wide 8006 alloy container foils comprises a flow groove, a degassing box, a filter box, a flow channel and a wide casting nozzle; the liquid inlet end of the flow groove is used for receiving the aluminum liquid flowing out in the previous process, the liquid outlet end of the flow groove is correspondingly communicated with the liquid inlet end of the degassing box, the liquid outlet end of the degassing box is correspondingly communicated with the liquid inlet end of the filtering box, the liquid outlet end of the filtering box is correspondingly communicated with the liquid inlet end of the flow passage, and the liquid outlet end of the flow passage is correspondingly communicated with the liquid inlet of the casting nozzle; the casting nozzle is a wide casting nozzle, an odd number of shunting blocks are arranged in the casting nozzle, the shunting blocks are divided into a central shunting block and a plurality of peripheral shunting blocks, and the peripheral shunting blocks on two sides of the central shunting block are symmetrically arranged; the device can effectively solve the problem of the segregation in the slab crystal.

Description

Liquid flowing device for cast rolling production of wide 8006 alloy container foil

Technical Field

The utility model belongs to the technical field of the cast nozzle technique and specifically relates to a flow liquid device that is used for production is cast to broad width 8006 alloy container paper tinsel.

Background

It is known that aluminum container foil products have been rapidly developed in recent years due to their recyclability and no environmental hazard, and that container foil products having high technical content, high strength, high elongation, and high surface quality are highly sought by customers; the quality of the aluminum container foil is often determined by alloy components in smelting, the alloys used for producing the container foil at present are mainly 1100, 3003, 8011, 8006 and the like, wherein the 1100, 3003 and 8011 alloys have poor material properties, and the container foil made of the alloys cannot reach the level of high-end products in the aspects of mechanical properties, surface quality and the like; the 8006 aluminum alloy is an Al-Fe-Mn ternary phase system, the alloy mainly comprises Al, FeAl3, MnAl6, (FeMn) Al6, impurity phase Al12Fe3Si2 and the like, wherein Mn has a solid solution strengthening effect, can improve the recrystallization temperature of the alloy and can refine recrystallized grains, so that the mechanical property of the alloy is improved, and the mechanical property, the surface quality and other characteristics of the produced 8006 aluminum container foil can meet the requirements of high-end markets;

the traditional method for producing 8006 alloy container foil is a hot rolling method, although qualified 8006 alloy container foil can be produced by the hot rolling method, the method has the problems of high energy consumption, high pollution, high cost and the like in the production process, and when the container foil is produced by the hot rolling method, due to the ductility of 8006 alloy, the width of the produced container foil is narrow, and a wide container foil cannot be produced; although the casting and rolling method can solve the problems of energy consumption, pollution and cost, when the 8006 alloy container foil is produced by using the traditional casting and rolling method, because the space between a plurality of shunting blocks in the traditional casting nozzle is the same and only one liquid inlet is provided, under the condition of producing wide container foil, when the aluminum liquid flows out of the traditional casting nozzle to the casting and rolling area, the outflow speeds of the aluminum liquid in the middle and two ends of the casting nozzle are not uniform, so that the cast and rolled plate blank is easy to generate intragranular segregation, and the surface quality and the mechanical property of the plate blank are poor; therefore, in view of the above, there is a need in the market today for a solution to the problem of intragranular segregation of slabs.

Disclosure of Invention

In order to overcome the not enough in the background art, the utility model discloses a flow liquid device that is used for wide 8006 alloy container paper tinsel to cast and roll production.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a liquid flowing device for cast rolling production of wide 8006 alloy container foils comprises a flow groove, a degassing box, a filter box, a front box and a wide casting nozzle; the liquid inlet end of the launder is used for receiving the aluminum liquid flowing out in the previous procedure, the liquid outlet end of the launder is correspondingly communicated with the liquid inlet end of the degassing box, the liquid outlet end of the degassing box is correspondingly communicated with the liquid inlet end of the filter box, the liquid outlet end of the filter box is correspondingly communicated with the liquid inlet end of the front box, and the liquid outlet end of the front box is correspondingly communicated with the liquid inlet of the casting nozzle through a flow channel; the casting nozzle is a wide casting nozzle, an odd number of shunting blocks are arranged in the casting nozzle, the shunting blocks are divided into a central shunting block and a plurality of peripheral shunting blocks, and the peripheral shunting blocks on two sides of the central shunting block are symmetrically arranged; the width of the gap between the central shunting block and two adjacent surrounding shunting blocks is set to be a, a = 8-10 mm, the width of the gap between the remaining two adjacent surrounding shunting blocks is set to be b1, b2 and … bx in sequence, bx-bx-1= b1-a +4 (x-1), b1-a = 6-7 mm, and x is less than or equal to 5; the distance between the central shunting block and the end face where the liquid inlet of the casting nozzle is located is h, h = 8-12 mm, and the distances between the plurality of peripheral shunting blocks and the end face where the liquid inlet of the casting nozzle is located are h1, h2 and … hx in sequence; hx = h +6x, x is less than or equal to 5;

preferably, the launder comprises a tank body for the circulation of aluminum liquid, two flashboards and a choke block: the tank body is U-shaped, the liquid inlet end and the liquid outlet end of the inner cavity of the tank body are respectively provided with a plugboard which is vertical to the circulation direction of the aluminum liquid in the tank body, and the gaps between the bottoms of the two plugboards and the inner bottom surface of the tank body are respectively provided with a liquid inlet hole and a liquid outlet hole; the inner bottom surface of the groove body is provided with a flow blocking block, the flow blocking block is positioned between the two inserting plates and is of a structure with a high middle part and two low ends, slopes at two ends of the flow blocking block respectively correspond to the liquid inlet hole and the liquid outlet hole one by one, and the height of the flow blocking block is greater than that of the liquid inlet hole and the liquid outlet hole;

preferably, the slope gradient of the liquid outlet hole corresponding to the flow blocking block is smaller than the slope gradient of the liquid inlet hole corresponding to the flow blocking block;

preferably, the liquid inlet hole and the liquid outlet hole are crescent-shaped;

preferably, the number of the liquid inlets of the casting nozzle is two, and the number of the liquid outlet ends of the flow channel is two correspondingly.

Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:

the utility model discloses a liquid flowing device for wide 8006 alloy container foil cast-rolling production, which can not only avoid the precipitation of aluminum-titanium-boron wires through a flow groove, but also mix the aluminum-titanium-boron wires and the aluminum liquid more uniformly; the wide casting nozzle ensures that the aluminum liquid is uniformly distributed by the distribution blocks in the casting nozzle, so that the aluminum liquid can uniformly flow out of the liquid outlet nozzle, the surface quality of rolled wide 8006 alloy container foils is guaranteed, and the condition of intragranular segregation of blanks is avoided.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of a nozzle configuration;

FIG. 3 is a schematic view of the structure of the launder;

FIG. 4 is a schematic view of the structure of the insert in the launder.

In the figure: 1. a launder; 1.1, a trough body; 1.2, inserting a board; 1.3, liquid inlet holes; 1.4, liquid outlet holes; 1.5, a flow choking block; 2. a degassing tank; 3. a filter box; 4. a front box; 5. a flow channel; 6. casting a nozzle; 6.1, a liquid inlet; 6.2, a central shunting block; 6.3, surrounding shunting blocks.

Detailed Description

The invention will be explained in more detail by the following examples, which disclose the invention and are intended to protect all technical improvements within the scope of the invention.

The liquid flowing device for the cast rolling production of the wide 8006 alloy container foil described in the attached drawings 1-4 comprises a flow groove 1, a degassing tank 2, a filtering tank 3, a front tank 4 and a casting nozzle 6; the inlet end of chute 1 is used for receiving the aluminium liquid that a process flows, and the middle part in chute 1 can be used for adding aluminium titanium boron silk, and the intensity that can effectively improve the aluminum alloy after fuse-element and aluminium titanium boron silk mix with moulding toughness to the aluminium liquid of intensive mixing aluminium titanium boron silk when the cast rolling, the probability of appearing the segregation in the crystal is lower, and the play liquid end of chute 1 corresponds the intercommunication with the inlet end of degassing tank 2, in addition, chute 1 contains cell body 1.1, two picture peg 1.2 and the piece 1.5 that chokes the flow of supplying aluminium liquid circulation: the tank body 1.1 is U-shaped, the liquid inlet end and the liquid outlet end of the inner cavity of the tank body 1.1 are respectively provided with an inserting plate 1.2 which is vertical to the flowing direction of aluminum liquid in the tank body 1.1, and a gap between the bottoms of the two inserting plates 1.2 and the inner bottom surface of the tank body 1.1 is respectively provided with a liquid inlet hole 1.3 and a liquid outlet hole 1.4, wherein the liquid inlet hole 1.3 can enable the entering aluminum liquid to form a undercurrent and form uniform scouring force on the added molten or incompletely molten aluminum-titanium-boron wires, particularly, the shapes of the liquid inlet hole 1.3 and the liquid outlet hole 1.4 are crescent, so that the undercurrent scale is larger, and the scouring force of the aluminum liquid on the aluminum-titanium-boron wires is further improved;

the inner bottom surface of the tank body 1.1 is provided with a flow choking block 1.5, the flow choking block 1.5 is positioned between two insert plates 1.2, the flow choking block 1.5 is of a structure with a high middle part and two low ends, slopes at two ends of the flow choking block 1.5 respectively correspond to a liquid inlet hole 1.3 and a liquid outlet hole 1.4 one by one, the height of the flow choking block 1.5 is larger than that of the liquid inlet hole 1.3 and the liquid outlet hole 1.4, the flow choking block 1.5 can block the aluminum liquid, then the tank body 1.1 positioned between the two insert plates 1.2 forms a vortex area, so that the aluminum liquid and double aluminum titanium boron wires can be uniformly mixed in the area, the insert plate 1.2 positioned at the liquid inlet end can generate static pressure on the passing aluminum liquid, so that certain kinetic energy addition is obtained when the aluminum liquid passes through the liquid inlet hole 1.3, and further the aluminum liquid flows towards the flow direction of the flow choking block 1.5, the aluminum titanium boron wires at the bottom surface of the tank body can be brushed away, the liquid outlet 1.4 can provide kinetic energy addition again for the mixed liquid after the passing aluminum liquid and the aluminum-titanium-boron wires are mixed, so that the mixed melt is more uniform, particularly, the slope gradient of the flow blocking block 1.5 corresponding to the liquid outlet 1.4 is smaller than the slope gradient of the flow blocking block 1.5 corresponding to the liquid inlet 1.3, so that the slope at one end of the flow blocking block 1.5 can block the aluminum liquid flowing into the liquid inlet 1.3 for a longer time, the aluminum liquid and the aluminum-titanium-boron wires are fully mixed, and then when the mixed liquid flows to the liquid outlet from the slope at the other end of the flow blocking block 1.5, the slope can provide certain kinetic energy addition for the mixed liquid, so that the flow rate of the mixed liquid is increased, the inner bottom surface of the tank body 1.1 can be effectively washed, and the precipitation of the aluminum;

the liquid outlet end of the degassing tank 2 is correspondingly communicated with the liquid inlet end of the filter tank 3, the liquid outlet end of the filter tank 3 is correspondingly communicated with the liquid inlet end of the front tank 4, and the liquid outlet end of the front tank 4 is correspondingly communicated with the liquid inlet of the casting nozzle 6 through the flow passage 5; the casting nozzle 6 is a wide casting nozzle, namely the width of the casting nozzle 6 is more than 2000mm, particularly, two liquid inlets 6.1 of the casting nozzle 6 are provided, two liquid outlet ends of the flow channel 5 are correspondingly provided, the liquid inlet 6.1 can effectively improve the liquid inlet speed of the casting nozzle 6, an odd number of flow distribution blocks are arranged in the casting nozzle 6, the flow distribution blocks are divided into a central flow distribution block 6.2 and a plurality of peripheral flow distribution blocks 6.3, and the peripheral flow distribution blocks 6.3 on two sides of the central flow distribution block 6.2 are symmetrically arranged; the width of the gap between the central shunting block 6.2 and the two adjacent surrounding shunting blocks 6.3 is set to be a, a = 8-10 mm, the width of the gap between the remaining two adjacent surrounding shunting blocks 6.3 is set to be b1, b2 and … bx in sequence, bx-bx-1= b1-a +4 (x-1), b1-a = 6-7 mm, and x is less than or equal to 5; the distance between the central splitter block 6.2 and the end face where the liquid inlet 6.1 of the casting nozzle 6 is located is h, h = 8-12 mm, and the distances between the peripheral splitter blocks 6.3 and the end face where the liquid inlet 6.1 of the casting nozzle 6 is located are h1, h2 and … hx in sequence; hx = h +6x, x is less than or equal to 5, through establishing a plurality of reposition of redundant personnel pieces to this well reposition of redundant personnel staggered floor structure, can let the aluminium liquid that two inlet 6.1 flow in evenly shunted by a plurality of reposition of redundant personnel pieces, then flow out from the liquid mouth simultaneously, and then let the wide rolling mill when rolling, guarantee that the condition of segregation in the crystal can not appear in the blank.

Implement a during liquid flowing device that is used for broad width 8006 alloy container paper tinsel cast rolling production, export the aluminium liquid in the heat preservation stove of last process in chute 1, then aluminium liquid flows out with aluminium titanium boron silk intensive mixing back in chute 1, mixed liquid flows out in front box 4 after degassing tank 2 and rose box 3 in proper order, mixed liquid flows into in casting nozzle 6 through runner 5 next, aluminium liquid shunts the back in casting nozzle 6 at last, the cast rolling district that flows out the broad width rolling mill from the drain nozzle, will mix liquid cooling cast rolling shaping through two casting rolls on the broad width rolling mill.

The part of the utility model not detailed is prior art.

Claims (5)

1. The utility model provides a flow liquid device that is used for production of wide 8006 alloy container foil cast rolling, characterized by: comprises a launder (1), a degassing tank (2), a filter tank (3), a front box (4) and a casting nozzle (6); the liquid inlet end of the launder (1) is used for receiving the aluminum liquid flowing out in the previous procedure, the liquid outlet end of the launder (1) is correspondingly communicated with the liquid inlet end of the degassing tank (2), the liquid outlet end of the degassing tank (2) is correspondingly communicated with the liquid inlet end of the filter tank (3), the liquid outlet end of the filter tank (3) is correspondingly communicated with the liquid inlet end of the front tank (4), and the liquid outlet end of the front tank (4) is correspondingly communicated with the liquid inlet (6.1) of the casting nozzle (6) through the runner (5); the casting nozzle (6) is a wide casting nozzle, an odd number of shunting blocks are arranged in the casting nozzle (6), the shunting blocks are divided into a central shunting block (6.2) and a plurality of peripheral shunting blocks (6.3), and the peripheral shunting blocks (6.3) on two sides of the central shunting block (6.2) are symmetrically arranged; the width of the gap between the central shunting block (6.2) and two adjacent surrounding shunting blocks (6.3) is set as a, a = 8-10 mm, the width of the gap between the remaining two adjacent surrounding shunting blocks (6.3) is set as b1, b2 and … bx in sequence, bx-bx-1= b1-a +4 (x-1), b1-a = 6-7 mm, and x is less than or equal to 5; the distance between the central flow distribution block (6.2) and the end face where the liquid inlet (6.1) of the casting nozzle (6) is located is h, h = 8-12 mm, and the distances between the peripheral flow distribution blocks (6.3) and the end face where the liquid inlet (6.1) of the casting nozzle (6) is located are h1, h2 and … hx in sequence; hx = h +6x, x ≦ 5.

2. The liquid flow device for cast rolling production of wide 8006 alloy container foils as claimed in claim 1, is characterized in that: the launder (1) comprises a tank body (1.1) for the circulation of aluminum liquid, two flashboards (1.2) and a choke block (1.5): the trough body (1.1) is U-shaped, the liquid inlet end and the liquid outlet end of the inner cavity of the trough body (1.1) are respectively provided with an inserting plate (1.2) which is vertical to the circulation direction of the aluminum liquid in the trough body (1.1), and the gap between the bottoms of the two inserting plates (1.2) and the inner bottom surface of the trough body (1.1) is respectively provided with a liquid inlet hole (1.3) and a liquid outlet hole (1.4); the interior bottom surface of cell body (1.1) is equipped with choked flow piece (1.5), choked flow piece (1.5) are located between two picture peg (1.2), and choked flow piece (1.5) are the structure that middle high both ends are low, and the slope at choked flow piece (1.5) both ends respectively with feed liquor hole (1.3) and go out liquid hole (1.4) one-to-one, highly being greater than the height in feed liquor hole (1.3) and play liquid hole (1.4) of choked flow piece (1.5).

3. The liquid flowing device for cast rolling of wide 8006 alloy container foil as claimed in claim 2, is characterized in that: the slope gradient of the flow blocking block (1.5) corresponding to the liquid outlet hole (1.4) is smaller than the slope gradient of the flow blocking block (1.5) corresponding to the liquid inlet hole (1.3).

4. The liquid flowing device for cast rolling of wide 8006 alloy container foil as claimed in claim 2, is characterized in that: the liquid inlet hole (1.3) and the liquid outlet hole (1.4) are crescent-shaped.

5. The liquid flow device for cast rolling production of wide 8006 alloy container foils as claimed in claim 1, is characterized in that: two liquid inlets (6.1) of the casting nozzle (6) are arranged, and two liquid outlet ends of the flow channel (5) are correspondingly arranged.

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