CN212042574U

CN212042574U - Heating, heat-preserving and circulating mechanism for conveying aluminum melt

Info

Publication number: CN212042574U
Application number: CN201922470632.5U
Authority: CN
Inventors: 郑国栋; 丁小萌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-01
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a heating, heat-preserving and circulating mechanism for conveying aluminum melt, which comprises a flow groove, wherein an open cavity flow passage is arranged in the flow groove, a heating device which is used for heating the melt flowing in the cavity flow passage is connected above the flow groove in a packaging way, the heating device comprises a shell, and a plurality of heating modules are arranged in the shell; and overall structure is simple, and it is convenient to make, and whole maintenance, maintenance convenient and fast improve whole practicality.

Description

Heating, heat-preserving and circulating mechanism for conveying aluminum melt

Technical Field

The utility model relates to a circulation mechanism, specific theory relates to a simple structure, and convenient the maintenance can supply the calorific loss of aluminum alloy melt when flowing, improves the mobility of aluminum alloy melt and avoids the heating heat preservation circulation mechanism that is used for carrying the aluminum melt of adhesion, belongs to alloy technical field.

Background

When the aluminum melt needs to be transported in the casting production process of the aluminum and aluminum alloy rods, the runner is used for transporting, is an important part used in the casting process of the aluminum and aluminum alloy rods, and has the main function of drainage. The processed aluminum melt slowly flows to a launder, then flows to a crystallizer through the drainage of the launder, and finally is cooled and crystallized into an aluminum bar or an aluminum ingot finished product. Then, if the launder has no good heat preservation effect, the aluminum melt cannot smoothly flow to the casting equipment to keep the liquid level of the whole aluminum melt to be the same, and the temperature field at each corner cannot be kept uniform, so that the cast casting finished product cannot have good physical and chemical properties and machining performance.

The existing launder manufacturers are few, and the adopted type is more than a single linear launder, which only plays a simple drainage role and cannot play a good installation and connection role; and the adopted materials are mostly clay, and the launder made of the clay materials has the advantages of sparse integral structure, low strength, easy slag falling during use and easy slag inclusion during use.

The conventional launder has poor heat preservation effect, and the aluminum melt loses part of heat in the flowing process in the launder to cause the melt to be in a molten and semi-solidified state, and the heat loss mainly comprises various factors such as melt heat evaporation, contact with cold air, temperature of the bottom surface of the launder, external temperature and the like, so that the melt is required to flow in a relatively constant temperature state when the launder is heated.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a simple structure, the convenient maintenance can supply the calorific loss of aluminum alloy melt when flowing, improves the mobility of aluminum alloy melt and avoids the heating heat preservation circulation mechanism that is used for carrying the aluminum melt of adhesion.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a heating heat preservation circulation mechanism for carrying aluminium melt, includes the chute, is provided with the cavity runner that is open shape in the chute, and the top encapsulation of chute is connected with and is used for carrying out the heating device that heats to the internal mobile fuse-element of cavity runner, and heating device includes the casing, be provided with a plurality of heating module in the casing.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

further optimization: a plurality of cavities are sequentially arranged in the shell along the length direction of the shell at intervals, and the heating modules are respectively arranged in the cavities.

Further optimization: the heating module comprises a resistance heater arranged in the cavity, and a heat insulation plate is arranged above the resistance heater and in the cavity.

Further optimization: and a bottom heat-insulating layer is arranged between the lower part of the resistance heater and the shell and is made of light heat-insulating casting material.

Further optimization: an upper heat-insulating layer is arranged between the upper part of the heat-insulating plate and the shell and is an aluminum silicate fiber blanket.

Further optimization: and the shell is provided with access holes corresponding to the heating modules, and the shell is rotatably connected with movable cover plates at the access holes.

Further optimization: and a liquid inlet and a liquid outlet are respectively arranged at two ends of the flow groove.

Further optimization: the position of the runner, which is close to the liquid inlet, is integrally connected with a liquid inlet groove, and the liquid inlet groove is communicated with a cavity runner in the runner.

Further optimization: the launder comprises a launder shell, a lining is arranged in the launder shell, the middle of the lining forms the cavity runner, and the whole lining is made of heat-insulating pouring materials.

Further optimization: a heat-insulating fireproof layer is arranged between the launder outer shell and the lining and is made of a calcium silicate plate.

By adopting the technical scheme, the heating, heat-preserving and circulating mechanism for conveying the aluminum melt is mainly used between two devices when the aluminum alloy melt in a molten state on an aluminum alloy production line is subjected to converter; for example, when an aluminum alloy melt in a molten state in a melting furnace is transferred to a holding furnace or a casting machine.

The liquid inlet groove of the launder can be placed at the smelting furnace; then the liquid outlet of the flow groove is communicated to the input port of the holding furnace.

When the aluminum alloy melt needs to be conveyed, the resistance heater is started at first, outputs heat energy, heats the cavity runner in the runner, enables the cavity runner of the runner to be in a constant temperature state, then pours the aluminum alloy melt into the liquid inlet groove, the liquid inlet groove buffers the aluminum alloy melt and enables the aluminum alloy melt to be guided into the cavity runner through the liquid inlet, the aluminum alloy melt smoothly flows in the cavity runner, and then the aluminum alloy melt is output through the liquid outlet.

When the heating module is required to be overhauled, the user can conveniently open the movable cover plate, and then the user can conveniently overhaul and maintain the heating module installed in the cavity of the shell.

The utility model adopts the above technical scheme, think about ingeniously, rational in infrastructure, can be used for smooth and easy transport aluminium or aluminum alloy melt to can supplement the calorific loss of aluminium or aluminum alloy melt when flowing, improve mobility, and can make aluminium or aluminum alloy melt flow smoothly under the constant temperature, solved the problem of aluminium alloy melt heat loss in the flow process, thereby improved the alloy shaping rate, the density, thereby improved the whole quality of alloy, avoid the oxidation to mix with; and overall structure is simple, and it is convenient to make, and whole maintenance, maintenance convenient and fast improve whole practicality.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic cross-sectional view of a launder according to an embodiment of the invention;

fig. 4 is a schematic structural diagram of a heating device according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

fig. 6 is a top view of a heating device according to an embodiment of the present invention.

In the figure: 1-a launder; 11-a liquid inlet; 12-a liquid outlet; 13-a liquid inlet tank; 2-a cavity flow channel; 3-a shell; 31-a cavity; 32-a resistive heater; 33-a heat insulation plate; 34-bottom insulating layer; 35-upper insulating layer; 4-launder housing; 5-lining; 6-insulating layer; 7-removable cover plate.

Detailed Description

Example (b): referring to fig. 1-6, a heating, heat-preserving and circulating mechanism for conveying an aluminum melt includes a launder 1, an open cavity runner 2 is disposed in the launder 1, a heating device for heating the melt flowing in the cavity runner 2 is connected to the top of the launder 1 in a sealing manner, the heating device includes a housing 3, and a plurality of heating modules are disposed in the housing 3.

The cross section overall structure of chute 1 is "mouth" font, and the cavity runner 2 overall structure of its chute 1 inside is the rectangle cavity.

And an arc transition section is arranged between the lower end of the cavity flow passage 2 and the inner wall of the flow groove 1.

Both ends of the launder 1 are respectively provided with a liquid inlet 11 and a liquid outlet 12.

By the design, the aluminum or aluminum alloy melt in a molten state can be introduced through the liquid inlet 11, the aluminum or aluminum alloy melt can smoothly flow in the cavity runner 2, and then the aluminum alloy melt is output through the liquid outlet 12.

The position of the runner 1 close to the liquid inlet 11 is integrally connected with a liquid inlet groove 13, and the liquid inlet groove 13 is communicated with the cavity runner 2 in the runner 1.

The liquid inlet groove 13 is vertically arranged with the launder 1, and the whole shape of the liquid inlet groove and the launder 1 forms a T shape.

Design like this, accessible feed liquor groove 13 conveniently leads into cavity runner 2 with molten state's aluminium or aluminum alloy fuse-element through inlet 11 in, and it when using, can pour the aluminium or aluminum alloy fuse-element that the processing was accomplished into feed liquor groove 13 in, feed liquor groove 13 cushions aluminium or aluminum alloy fuse-element, then in cavity runner 2 is led into through inlet 11, facilitates the use.

The launder 1 comprises a launder shell 4, a lining 5 is arranged in the launder shell 4, the middle part of the lining 5 forms the cavity runner 2, and the whole lining 5 is made of heat-insulating casting material.

A heat-insulating fireproof layer 6 is arranged between the launder shell 4 and the lining 5, and the heat-insulating fireproof layer 6 is made of a calcium silicate board.

Design like this, can make the overall structure of chute 1 simple, convenient to use, simple manufacture, low in manufacturing cost to cavity runner 2 that the accessible inside lining 5 formed is used for carrying aluminium or aluminum alloy fuse-element to pass through, and is used for improving heat preservation effect and fire prevention effect through heat preservation flame retardant coating 6, and has moisture resistance.

The overall structure of the housing 1 is made of steel plate.

The plurality of heating modules are sequentially arranged at intervals along the length direction of the housing 3.

A plurality of cavities 31 are sequentially arranged in the shell 3 at intervals along the length direction of the shell 3, and the heating modules are respectively arranged in the cavities 31.

The heating module includes an electrical resistance heater 32 disposed within a cavity 31, and a heat shield 33 disposed within the cavity 31 above the electrical resistance heater 32.

The resistance heater 32 can work by being electrically connected with an external power supply through a lead, and can save energy and improve the production economic benefit by adopting electric heating.

By this design, the heat output by the resistance heater 32 can be used to supplement the heat loss of the aluminum alloy melt in the launder 1 during flowing.

The heat insulation plate 33 is used for insulating the heat output by the resistance heater 32 to prevent the heat from being conducted to the outside, and the heat insulation plate 33 can also radiate the heat output by the resistance heater 33, so that the heat output by the resistance heater 33 is transmitted to one side of the launder 1, and the heating rate and the heating effect are further improved.

A bottom heat-insulating layer is arranged between the lower part of the resistance heater 32 and the shell 3, and the bottom heat-insulating layer 34 is made of light heat-insulating casting material.

The whole thickness of the bottom heat-insulating layer 34 is 30-50 mm.

An upper heat-insulating layer 35 is arranged between the upper part of the heat-insulating plate 33 and the shell 3, and the upper heat-insulating layer 35 is an aluminum silicate fiber blanket.

Design like this, accessible upper portion heat preservation 35 keeps warm to the heating module, avoids the heat to outside conduction, leads to calorific loss serious.

And the shell 3 is provided with access holes corresponding to the heating modules, and the shell 3 is rotatably connected with movable cover plates 7 at the access holes.

The movable cover plate 7 is rotatably connected with the shell 3 through a hinge or a rotating shaft, and the cavity 31 can be conveniently opened by the movable cover plate 7.

By the design, the movable cover plate 7 can be conveniently opened by a user, and then the heating module installed in the cavity 31 of the shell 3 can be conveniently overhauled and maintained by the user, so that the whole use is convenient.

When in use, the heating, heat-preserving and circulating mechanism for conveying the aluminum melt is mainly used between two devices when the aluminum alloy melt in a molten state on an aluminum alloy production line is subjected to converter operation; for example, when an aluminum alloy melt in a molten state in a melting furnace is transferred to a holding furnace or a casting machine.

The liquid inlet tank 13 of the launder 1 can be placed at the smelting furnace; then the liquid outlet 12 of the launder 1 is communicated to the input port of the holding furnace.

When the aluminum alloy melt needs to be conveyed, the resistance heater 32 is started firstly, the resistance heater 32 outputs heat energy, the cavity runner 2 in the runner 1 is heated, the cavity runner 2 of the runner 1 is in a constant temperature state, then the aluminum alloy melt is poured into the liquid inlet groove 13, the liquid inlet groove 13 buffers the aluminum alloy melt and leads the aluminum alloy melt into the cavity runner 2 through the liquid inlet 11, the aluminum alloy melt smoothly flows in the cavity runner 2, and then the aluminum alloy melt is output through the liquid outlet 12.

When the heating module needs to be overhauled, a user can conveniently open the movable cover plate 7, and then the user can conveniently overhaul and maintain the heating module installed in the cavity 31 of the shell 3.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a heating heat preservation circulation mechanism for carrying aluminium melt, includes chute (1), its characterized in that: be provided with in chute (1) and be open cavity runner (2) that appear, the top encapsulation of chute (1) is connected with and is used for carrying out the heating device that heats to the fuse-element that flows in cavity runner (2), and heating device includes casing (3), be provided with a plurality of heating module in casing (3).

2. A heating, heat-preserving, flow-through mechanism for conveying an aluminum melt as set forth in claim 1, wherein: a plurality of cavities (31) are sequentially arranged in the shell (3) at intervals along the length direction of the shell (3), and the heating modules are respectively arranged in the cavities (31).

3. A heating, heat-preserving, flow-through mechanism for conveying an aluminum melt as set forth in claim 2, wherein: the heating module comprises a resistance heater (32) arranged in the cavity (31), and a heat insulation plate (33) is arranged above the resistance heater (32) and in the cavity (31).

4. A heating, heat-preserving, flow-through mechanism for conveying an aluminum melt as set forth in claim 3, wherein: a bottom heat-insulating layer is arranged between the lower part of the resistance heater (32) and the shell (3), and the bottom heat-insulating layer (34) is made of light heat-insulating casting material.

5. A heating, heat-preserving, flow-through mechanism for conveying aluminum melt as claimed in claim 4, wherein: an upper heat-insulating layer (35) is arranged between the upper part of the heat-insulating plate (33) and the shell (3), and the upper heat-insulating layer (35) is an aluminum silicate fiber blanket.

6. A heating and heat-preserving flow mechanism for conveying aluminum melt as claimed in claim 5, wherein: and the shell (3) is provided with access holes corresponding to the heating modules, and the shell (3) is rotatably connected with movable cover plates (7) at the access holes.

7. A heating, heat-preserving, flow-through mechanism for conveying aluminum melt as claimed in claim 6, wherein: both ends of the launder (1) are respectively provided with a liquid inlet (11) and a liquid outlet (12).

8. A heating, heat-preserving, flow-through mechanism for conveying an aluminum melt as set forth in claim 7, wherein: the position of the launder (1) close to the liquid inlet (11) is integrally connected with a liquid inlet groove (13), and the liquid inlet groove (13) is communicated with a cavity runner (2) in the launder (1).

9. A heating, heat-preserving, flow-through mechanism for transporting an aluminum melt as set forth in claim 8, wherein: the launder (1) comprises a launder shell (4), a lining (5) is arranged in the launder shell (4), the middle part of the lining (5) forms the cavity runner (2), and the whole lining (5) is made of heat-insulating pouring materials.

10. A heating, heat-preserving, flow-through mechanism for transporting aluminum melt as set forth in claim 9, wherein: a heat-insulating fireproof layer (6) is arranged between the launder shell (4) and the lining (5), and the heat-insulating fireproof layer (6) is made of a calcium silicate board.