CN115077248A - Molten aluminum smelting furnace is from undercurrent pan feeding device - Google Patents
Molten aluminum smelting furnace is from undercurrent pan feeding device Download PDFInfo
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- CN115077248A CN115077248A CN202210749819.2A CN202210749819A CN115077248A CN 115077248 A CN115077248 A CN 115077248A CN 202210749819 A CN202210749819 A CN 202210749819A CN 115077248 A CN115077248 A CN 115077248A
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- feeding
- furnace
- hopper
- feeding hopper
- opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/14—Charging or discharging liquid or molten material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/01—Charges containing mainly non-ferrous metals
- F27M2001/012—Aluminium
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a self-submerged flow feeding device of an aluminum liquid smelting furnace, which comprises a feeding hopper and a molten pool which are communicated with each other, wherein the inner cavity of the feeding hopper is in a funnel shape, the bottom of the inner cavity of the feeding hopper is provided with a feeding port, the bottom of the side wall of the feeding hopper is provided with a side opening, and the feeding port is communicated with the side opening through a discharging channel; the molten pool is enclosed into a hollow structure through a molten pool wall body and a furnace bottom, a furnace inner opening is formed in one side, close to the feeding hopper, of the molten pool wall body, and the furnace inner opening is communicated with the side opening through a feeding channel; a cover plate is arranged on the top surface of the feeding hopper, a baffle is connected to the bottom surface of the cover plate, and the feeding port is opened or blocked when the baffle moves up and down. The submerged flow injection molding machine has the advantages of reasonable layout and compact structure, submerged flow operation is realized through reasonable limitation of the height of the furnace inner opening, and meanwhile, through the design of the funnel-shaped feeding container and the inclined channel, the rapid injection transfer is realized, the burning loss and the slagging are reduced, so that the melt quality is effectively improved, the energy consumption is reduced, and the cost is saved.
Description
Technical Field
The invention relates to the field of electrolytic aluminum water smelting and casting equipment, in particular to a self-submerged flow feeding device of an aluminum liquid smelting furnace.
Background
In the common smelting and casting production adopting electrolytic aluminum water, the mode of feeding the electrolytic aluminum water into the furnace is mainly divided into two modes, one mode is that an aluminum water bag is directly poured in through a feeding port, and the other mode is that the electrolytic aluminum water is transferred into the furnace through a siphon pipe by adopting a siphon method. The two methods have respective advantages and disadvantages, the direct pouring method is simple and convenient to operate and high in transferring speed, but molten aluminum is easy to splash to hurt people and form slag, potential safety and quality hazards exist, and meanwhile, energy consumption waste is caused by fire leaping and heat dissipation of a feeding port during heating; the siphon method can effectively solve the problems that the molten aluminum splashes to hurt people and slag, and is favorable for improving the quality of a melt, but the transfer efficiency is low, a front path which meets the requirement that the molten aluminum forms vacuum must be arranged during undercurrent, the molten aluminum in a forehearth always keeps a high-temperature state, meanwhile, the phenomenon that the feeding port is subjected to fire leaping and heat dissipation when heating causes energy consumption waste is also caused, the energy consumption of the undercurrent is higher, preheating is also required when the undercurrent pipes are intermittently used, otherwise, the pipe blocking cannot work, and the undercurrent transfer is rarely adopted during production.
Disclosure of Invention
The invention aims to provide a self-submerged flow feeding device for an aluminum liquid smelting furnace, which solves the problem of energy consumption waste caused by fire channeling and heat dissipation of a feeding port in a direct pouring method and a siphon method of feeding electrolytic aluminum water into the furnace in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a self-submerged flow feeding device of an aluminum liquid smelting furnace, which comprises a feeding hopper and a molten pool which are communicated with each other, wherein the inner cavity of the feeding hopper is in a funnel shape, the bottom of the inner cavity of the feeding hopper is provided with a feeding port, the bottom of the side wall of the feeding hopper is provided with a side opening, and the feeding port is communicated with the side opening through a discharging channel; the molten pool is enclosed into a hollow structure through a molten pool wall body and a furnace bottom, a furnace inner opening is formed in one side, close to the feeding hopper, of the molten pool wall body, and the furnace inner opening is communicated with the side opening through a feeding channel; the top surface of the feeding hopper is provided with a cover plate, the bottom surface of the cover plate is connected with a baffle, and the feeding opening is opened or blocked when the baffle moves up and down.
Furthermore, the bottom surface of one end of the cover plate is hinged to the edge of the top of the feeding hopper, the cover plate extends to the bottom surface of the outer side of the feeding hopper and is connected with a cylinder, the end face of a telescopic rod of the cylinder is hinged to the cover plate, the bottom of the cylinder is installed on a cylinder support through a bolt assembly, and the cylinder support is connected to the outer side wall of the feeding hopper.
Furthermore, the cylinder support comprises a horizontal plate and an inclined plate, one end of the horizontal plate and one end of the inclined plate are connected to the outer side wall of the feeding hopper in a positioning mode, the other end of the inclined plate is connected to the bottom surface of the horizontal plate in a welding mode, and the cylinder is connected to the top surface of the horizontal plate.
Further, the bottom edge of the furnace inner opening is controlled to be 150-200mm away from the furnace bottom, the upper edge of the outer opening of the feeding channel is flush with the top of the feeding opening, and the included angle alpha between the bottom surface of the feeding channel and the horizontal line of the furnace bottom is set to be 45-60 degrees.
Furthermore, an included angle beta between the inclined bottom surface of the discharging channel and the horizontal line of the furnace bottom is set to be 10-15 degrees, and the bottom surface of the discharging channel and the bottom surface of the inner cavity of the feeding hopper are located in the same plane.
Furthermore, the feeding hopper, the wall body and the bottom of the molten pool are all built by adopting high-temperature-resistant refractory materials
Further, the high-temperature resistant refractory material comprises high-temperature resistant high-alumina bricks, insulating bricks or low-cement castable.
Further, the baffle is connected to the bottom surface of the cover plate through a connecting steel chain.
Compared with the prior art, the invention has the beneficial technical effects that:
1) the inner cavity of the feeding hopper is in a funnel shape, and the container in the funnel shape can reduce the splashing of the aluminum liquid, eliminate potential safety hazards and reduce the burning loss of the aluminum liquid; meanwhile, the funnel type container has a large opening and a small bottom, which are easy to clean, thereby reducing the labor intensity of workers and prolonging the service life;
2) the discharging channel and the feeding channel are both designed to be inclined, the inclined aluminum liquid channel can reduce slagging and aluminum hanging, and the channel is smooth;
3) the design of the height of the furnace inner opening is more reasonable, undercurrent feeding is easily realized, the distance between the furnace inner opening and the furnace bottom is only 150 plus 200mm, the furnace inner opening is sealed by the aluminum liquid along with the increase of the aluminum liquid in the furnace in the aluminum liquid feeding process, and the follow-up aluminum liquid enters the furnace to form undercurrent, so that the problems of slagging and burning loss caused by the rolling of the aluminum liquid due to the large fall of the original feeding opening are solved, the secondary pollution of a melt is effectively reduced, and the quality is improved;
4) after the inner opening of the furnace is sealed by the aluminum liquid in the furnace, the flame can not spread out in the heating process of the aluminum liquid, so that the problem that the flame at the original feeding opening emits outside is solved, and the defects of energy consumption waste and potential safety hazard are reduced;
5) due to the design of the self-lifting baffle, after feeding is finished, the baffle at the feeding port is driven by the air cylinder, so that heat dissipation can be effectively prevented, meanwhile, flame can be prevented from jumping out during heating in an empty furnace, and energy consumption is reduced;
6) the design of apron, after the pan feeding, drive the rotatory descending of apron through the cylinder, seal the open-top of going into the hopper, thermal giving off in can effectual reduction goes into the hopper.
In general, the submerged flow injection molding machine is reasonable in layout and compact in structure, submerged flow operation is realized through reasonable limitation of the height of the furnace inner opening, and meanwhile, through the design of the hopper-shaped feeding container and the inclined channel, rapid injection transfer, burning loss reduction and slag formation are realized, so that the melt quality is effectively improved, the energy consumption is reduced, and the cost is saved.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a front view of a self-submerged flow feeding device of an aluminum liquid smelting furnace of the invention;
FIG. 2 is a side view of a self-submerged flow feeding device of the molten aluminum smelting furnace of the invention;
description of reference numerals: 1. feeding into a hopper; 2. a cover plate; 3. a baffle plate; 4. a feeding port; 5. a feed channel; 6. an inner opening of the furnace; 7. a molten pool wall body; 8. the furnace bottom; 9. a molten pool; 10. a discharge channel; 11. a cylinder support; 12. a cylinder; 13. and connecting the steel chain.
Detailed Description
As shown in fig. 1-2, the molten aluminum smelting furnace self-submerged flow feeding device comprises a feeding hopper 1 and a molten pool 9 which are communicated with each other, wherein the inner cavity of the feeding hopper 1 is in a funnel shape, a feeding port 4 is arranged at the bottom of the inner cavity of the feeding hopper 1, a side opening is arranged at the bottom of the side wall of the feeding hopper 1, and the feeding port 4 is communicated with the side opening through a discharging channel 10; the molten pool 9 and the furnace bottom 8 enclose a hollow structure through a molten pool wall 7, one side of the molten pool wall 7, which is close to the feeding hopper 1, is provided with a furnace inner opening 6, and the furnace inner opening 6 is communicated with the side opening through a feeding channel 5; the top surface of the feeding hopper 1 is provided with a cover plate 2, the bottom surface of the cover plate 2 is connected with a baffle 3, and the feeding opening 4 is opened or blocked when the baffle 3 moves up and down. Specifically, the hopper in the shape of a funnel can reduce aluminum liquid splashing, eliminate potential safety hazards and reduce aluminum liquid burning loss; the large bottom of the hopper type feeding hopper opening used as a container is easy to clean, so that the labor intensity of workers is reduced, and the service life can be prolonged.
Specifically, the one end bottom surface of apron 2 articulates on going into hopper 1's top edge, apron 2 extends to and is connected with cylinder 12 on going into the bottom surface in the hopper 1 outside, the telescopic link terminal surface of cylinder 12 articulates on apron 2, and the bottom of cylinder 12 is passed through bolt assembly and is installed on cylinder support 11, cylinder support 11 is connected go into on hopper 1's the lateral wall.
The air cylinder support 11 is composed of a horizontal plate and an inclined plate, one end of the horizontal plate and one end of the inclined plate are connected to the outer side wall of the feeding hopper 1 in a positioning mode, the other end of the inclined plate is connected to the bottom surface of the horizontal plate in a welding mode, and the air cylinder 12 is connected to the top surface of the horizontal plate.
The bottom edge of the furnace inner opening 6 is controlled to be 150-200mm away from the furnace bottom 8, the upper edge of the outer opening of the feeding channel 5 is flush with the top of the feeding opening 4, and the included angle alpha between the bottom surface of the feeding channel 5 and the horizontal line of the furnace bottom is set to be 45-60 degrees.
The included angle beta between the inclined bottom surface of the discharging channel and the horizontal line of the furnace bottom is set to be 10-15 degrees, and the bottom surface of the discharging channel and the bottom surface of the inner cavity of the feeding hopper 1 are positioned in the same plane.
The feeding hopper 1, the molten pool wall 7 and the furnace bottom 8 are all built by adopting high-temperature-resistant refractory materials, and particularly, the high-temperature-resistant refractory materials comprise high-temperature-resistant high-alumina bricks, insulating bricks or low-cement castable materials.
Specifically, baffle 3 is connected through connecting steel chain 13 on the bottom surface of apron 2, baffle 3 links together with the lower extreme of connecting the steel chain, and baffle 3 is formed by the casting of high temperature resistant casting material, has certain weight, connects the steel chain and pulls its slope slip along going into the fill when reciprocating, can guarantee closely to laminate with the inner chamber inclined plane of going into the fill.
The application process of the invention is as follows:
when the molten aluminum melting furnace is used, firstly, the air cylinder 12 is started, the telescopic rod of the air cylinder 12 contracts to drive the cover plate 2 to rotate and lift, so that the inlet of the feeding hopper 1 is opened, meanwhile, the baffle 3 is driven to move upwards through the connecting steel chain, the feeding port 4 is opened, the feeding hopper 1 and the melting pool 8 are in a communicated state, and molten aluminum enters the feeding hopper and then enters the melting pool 8 through the feeding port 4, the discharging channel 10, the feeding channel 5 and the furnace inner opening 6; the discharging channel 10 and the feeding channel 5 are both arranged to be inclined planes, so that the molten aluminum can flow smoothly, and the problems of slagging and aluminum hanging can be reduced. When the height of the aluminum liquid in the molten pool is higher than that of the opening 6 in the furnace, the submerged flow feeding can be realized, thereby solving the problems of slagging and burning loss caused by the rolling of the aluminum liquid due to large fall of the original feeding opening, effectively reducing the secondary pollution of the melt and improving the quality.
When the aluminum liquid in the molten pool reaches a set height, the pouring of the aluminum liquid into the feeding hopper is stopped, when the aluminum liquid in the cavity of the feeding hopper is fed, the telescopic rod of the cylinder 12 extends out to drive the cover plate 2 to rotate reversely to seal the top opening of the feeding hopper 1, and meanwhile, the connecting steel chain 13 drives the baffle 3 to move downwards to seal the feeding opening. After the feeding is finished, the discharge channel 10 and the feeding channel 5 are sealed by the baffle, so that heat dissipation can be effectively prevented, meanwhile, flame leap out can be prevented when the empty furnace is heated, and the energy consumption is reduced; after the feeding is finished, the cover plate seals the top opening of the feeding hopper, so that the emission of heat in the feeding hopper can be effectively reduced.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a molten aluminum smelting furnace is from undercurrent pan feeding device which characterized in that: the device comprises a feeding hopper (1) and a molten pool (9) which are communicated with each other, wherein the inner cavity of the feeding hopper (1) is in a funnel shape, a feeding port (4) is formed in the bottom of the inner cavity of the feeding hopper (1), a side opening is formed in the bottom of the side wall of the feeding hopper (1), and the feeding port (4) is communicated with the side opening through a discharging channel (10); the molten pool (9) and the furnace bottom (8) enclose a hollow structure through a molten pool wall body (7), one side of the molten pool wall body (7) close to the feeding hopper (1) is provided with a furnace inner opening (6), and the furnace inner opening (6) is communicated with the side opening through a feeding channel (5); the material feeding device is characterized in that a cover plate (2) is arranged on the top surface of the material feeding hopper (1), a baffle (3) is connected to the bottom surface of the cover plate (2), and the material feeding opening (4) is opened or blocked when the baffle (3) moves up and down.
2. The molten aluminum smelting furnace self-submerged flow feeding device of claim 1, which is characterized in that: the one end bottom surface of apron (2) articulates on going into the top edge of hopper (1), apron (2) extend to be connected with cylinder (12) on going into the bottom surface in the hopper (1) outside, the telescopic link terminal surface of cylinder (12) articulates on apron (2), the bottom of cylinder (12) is passed through bolt assembly and is installed on cylinder support (11), cylinder support (11) are connected go into on the lateral wall of hopper (1).
3. The self-submerged flow feeding device of the aluminum liquid smelting furnace as claimed in claim 2, wherein: the air cylinder support (11) is composed of a horizontal plate and an inclined plate, one end of the horizontal plate and one end of the inclined plate are connected to the outer side wall of the feeding hopper (1) in a positioning mode, the other end of the inclined plate is connected to the bottom surface of the horizontal plate in a welding mode, and the air cylinder (12) is connected to the top surface of the horizontal plate.
4. The self-submerged flow feeding device of the aluminum liquid smelting furnace as claimed in claim 1, wherein: the bottom edge distance of stove inner opening (6) stove bottom (8) highly control is at 150 ~ 200mm, the outer opening upper edge of feedstock channel (5) is along with the top parallel and level of pan feeding mouth (4), the bottom surface of feedstock channel (5) sets up to 45 ~ 60 with stove bottom water flat line's contained angle alpha.
5. The molten aluminum smelting furnace self-submerged flow feeding device of claim 1, which is characterized in that: the included angle beta between the inclined bottom surface of the discharging channel (10) and the horizontal line of the furnace bottom is set to be 10-15 degrees, and the bottom surface of the discharging channel and the bottom surface of the inner cavity of the feeding hopper (1) are positioned in the same plane.
6. The molten aluminum smelting furnace self-submerged flow feeding device of claim 1, which is characterized in that: the feeding hopper (1), the molten pool wall (7) and the furnace bottom (8) are all built by adopting high-temperature-resistant refractory materials.
7. The molten aluminum smelting furnace self-submerged flow feeding device of claim 6, which is characterized in that: the high-temperature resistant refractory material comprises high-temperature resistant high-alumina bricks, insulating bricks or low-cement castable.
8. The molten aluminum smelting furnace self-submerged flow feeding device of claim 1, which is characterized in that: the baffle (3) is connected to the bottom surface of the cover plate (2) through a connecting steel chain (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210749819.2A CN115077248A (en) | 2022-06-28 | 2022-06-28 | Molten aluminum smelting furnace is from undercurrent pan feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210749819.2A CN115077248A (en) | 2022-06-28 | 2022-06-28 | Molten aluminum smelting furnace is from undercurrent pan feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115077248A true CN115077248A (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210749819.2A Pending CN115077248A (en) | 2022-06-28 | 2022-06-28 | Molten aluminum smelting furnace is from undercurrent pan feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115077248A (en) |
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2022
- 2022-06-28 CN CN202210749819.2A patent/CN115077248A/en active Pending
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