CN111397368A

CN111397368A - Device is smelted to high-efficient environment-friendly aluminium ingot

Info

Publication number: CN111397368A
Application number: CN202010311513.XA
Authority: CN
Inventors: 李振兴; 李再兴; 孙恒杰
Original assignee: Henan Yongtong Aluminum Co ltd
Current assignee: Henan Yongtong Aluminum Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-07-10

Abstract

The invention discloses a high-efficiency environment-friendly aluminum ingot smelting device which comprises an outer shell and a crucible, wherein the crucible is fixedly arranged in the outer shell, a sealing cover is arranged above the crucible, a burner is arranged on the sealing cover, the burner is connected with a nozzle, the nozzle faces the interior of the crucible, a discharge hole is formed in the bottom of the crucible, a plug is arranged on the discharge hole, a discharge channel is arranged below the crucible, the upper part of the discharge channel corresponds to the discharge hole, the lower part of the discharge channel obliquely extends to the side wall of the outer shell, an electromagnetic heating coil is arranged on the outer side wall of the crucible, a feed inlet is formed in the top surface of the outer shell, a feed chute is arranged above the cavity of the outer shell, and the feed inlet is communicated with the feed chute.

Description

Device is smelted to high-efficient environment-friendly aluminium ingot

Technical Field

The invention relates to the field of metal smelting, in particular to a high-efficiency environment-friendly aluminum ingot smelting device.

Background

Aluminum products are widely applied to people's life and industry, such as aluminum plate blanks, aluminum alloy doors and windows and the like, and aluminum plates and strips are usually produced by smelting aluminum ore or aluminum ingots into aluminum liquid through high-temperature calcination, and then injecting the aluminum liquid into an aluminum plate mold for cold rolling to form the aluminum plates. The melting process of aluminium is generally carried out using a melting furnace, whereas existing melting furnaces have the following drawbacks: the furnace cover needs to be completely opened during feeding, so that the heat loss is large, the discharging process is generally discharging in a dumping mode, the safety is poor, the furnace is not suitable for industrial large-batch smelting, in addition, the smelting efficiency of the existing smelting furnace is low, and high-temperature waste gas cannot be treated, so the invention needs to provide an aluminum ingot smelting device to overcome the defects.

Disclosure of Invention

The invention aims to provide an efficient environment-friendly aluminum ingot smelting device, which is expected to overcome the problems in the background art.

In order to solve the technical problems, the invention adopts the following technical scheme:

a high-efficiency environment-friendly aluminum ingot smelting device comprises an outer shell and a crucible, wherein the crucible is fixedly arranged in the outer shell, a sealing cover is arranged above the crucible, a burner is arranged on the sealing cover, the burner is connected with a nozzle, the nozzle faces the interior of the crucible, a discharge hole is formed in the bottom of the crucible, a plug is arranged on the discharge hole, a discharge channel is arranged below the crucible, the upper part of the discharge channel corresponds to the discharge hole, the lower part of the discharge channel obliquely extends to the side wall of the outer shell, an electromagnetic heating coil is arranged on the outer side wall of the crucible, a feed inlet is formed in the top surface of the outer shell, a feed tank is arranged above the inner cavity of the outer shell, the feed inlet is communicated with the feed tank, a vertical partition plate is vertically arranged in the outer shell to divide the inner cavity of the outer shell into a left area and a right area, the crucible is positioned in the right area, a coiled pipe is arranged in a cavity above the horizontal partition plate, the upper end of the coiled pipe penetrates through the vertical partition plate and is communicated with the upper portion of the crucible, the lower end of the coiled pipe penetrates through the horizontal partition plate and extends downwards, a chimney is arranged on the side wall of the outer shell, and the lower end of the chimney is communicated with a cavity below the horizontal partition plate.

Furthermore, the shell body lateral wall is provided with steam discharge pipe and telescopic link, and steam discharge pipe communicates with the top of horizontal baffle upper portion cavity, the end that stretches out of telescopic link passes the shell body lateral wall and is connected with the push pedal, and the push pedal is arranged in the chute feeder.

Furthermore, the inner side wall of the outer shell is provided with a heat insulation layer, and the bottom of the outer shell is provided with a support leg.

Furthermore, heat exchange water is injected into the area above the horizontal partition plate, alkali liquor is injected into the area below the horizontal partition plate, and the lower end port of the coiled pipe extends into the alkali liquor.

Further, be provided with sleeve pipe and first pneumatic cylinder on the closing cap, wear to be equipped with the connecting rod in the sleeve pipe, the lower extreme and the jam of connecting rod are connected, and the upper end of connecting rod is connected with the liftout plate, the end and the liftout plate of first pneumatic cylinder are connected.

Furthermore, the two sides of the sealing cover are provided with lugs which are in an inverted L shape, a second hydraulic cylinder is arranged at the top of the outer shell, and the pushing end of the second hydraulic cylinder is connected with the lugs.

Compared with the prior art, the invention has the beneficial effects that:

1. the heat source for melting the aluminum ingot is from the burner and the electromagnetic heating coil, the heat generated by the burner faces to the inside of the crucible, the heat of the electromagnetic heating coil acts on the outer side of the crucible, and the aluminum ingot accumulated in the crucible can be quickly and efficiently melted in an internal and external heating mode, so that the aluminum ingot melting furnace is suitable for industrial large-scale melting operation;

2. when the feeding is needed in the smelting process, the aluminum ingot is put into the feeding groove and pushed into the crucible by the push plate, so that the heat loss caused by opening the sealing cover is avoided, and the feeding process is safe and convenient;

3. flue gas generated in the smelting process sequentially passes through heat exchange water and alkali liquor through a coiled pipe, the temperature of the flue gas is very high, the flue gas is introduced into the heat exchange water to carry out cooling heat exchange, in addition, high-temperature flue gas can be used for heating and evaporating the heat exchange water, the generated water vapor is convenient for industrial use, and the flue gas after heat exchange is introduced into the alkali liquor to neutralize acid gas in the flue gas;

4. during discharging, the connecting rod is upwards ejected out through the first hydraulic cylinder, so that the plug is separated from the discharging opening, aluminum liquid is discharged from the discharging opening along the discharging channel, and a crucible does not need to be poured in the discharging process, so that safety accidents caused by deviation generated in the pouring process are prevented.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

In the figure, 1-outer shell, 2-support leg, 3-heat insulation layer, 4-discharge channel, 5-crucible, 6-electromagnetic heating coil, 7-discharge opening, 8-plug, 9-connecting rod, 10-sealing cover, 11-second hydraulic cylinder, 12-lug, 13-burner, 14-nozzle, 15-sleeve, 16-first hydraulic cylinder, 17-ejecting plate, 18-feeding groove, 19-feeding opening, 20-pushing plate, 21-telescopic rod, 22-steam discharge pipe, 23-chimney, 24-vertical partition plate, 25-horizontal partition plate, 26-coiled pipe, 27-alkali liquor and 28-heat exchange water.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example 1:

referring to fig. 1, the present invention provides an efficient and environment-friendly aluminum ingot melting apparatus, comprising an outer casing 1 and a crucible 5, wherein the crucible 5 is fixedly disposed in the outer casing 1, a sealing cover 10 is disposed above the crucible 5, preferably, the upper surface of the sealing cover 10 is made of a heat insulating material, a burner 13 is disposed on the sealing cover 10, a nozzle 14 is connected to the burner 13, the nozzle 14 faces the crucible 5, a flame sprayed by the nozzle 14 faces the crucible 5, so as to accelerate a melting process of a large number of aluminum ingots stacked in the crucible 5, a discharge opening 7 is disposed at the bottom of the crucible 5, the bottom of the crucible 5 is a spherical surface, the discharge opening 7 is located at the center of the spherical surface, a plug 8 is disposed on the discharge opening 7, the plug 8 is attached to the bottom of the crucible 5, so as to facilitate a sealing process, a discharge passage 4 is disposed below the crucible 5, and the upper portion of the discharge passage 4 corresponds to the, the lower part of the material discharge channel 4 obliquely extends to the side wall of the outer shell 1, the outer side wall of the crucible 5 is provided with an electromagnetic heating coil 6, the electromagnetic heating coil 6 heats the crucible 5 through frequency conversion induction heating, the electromagnetic heating coil 6 heats the inside of the crucible 5 through a burner 13 and heats the outside of the crucible 5, the melting efficiency is greatly improved, the top surface of the outer shell 1 is provided with a feed opening 19, a feed chute 18 is arranged above the cavity of the outer shell 1, the feed opening 19 is communicated with the feed chute 18, one end of the feed chute 18 is communicated with the side wall of the crucible 5, a vertical partition plate 24 is vertically arranged in the outer shell 1 to divide the cavity of the outer shell 1 into a left area and a right area, the crucible 5 is positioned in the right area, a horizontal partition plate 25 is transversely arranged in the left area of the outer shell 1 to divide the left area into an upper cavity and a, the upper end of coiled pipe 26 runs through vertical baffle 24 and is linked together with 5 upper portions of crucible, and the lower extreme of coiled pipe 26 runs through horizontal baffle 25 downwardly extending, shell body 1 lateral wall is provided with chimney 23, and chimney 23 lower extreme and horizontal baffle 25 lower part cavity are linked together, and chimney 23 is close to horizontal baffle 25, shell body 1 inside wall is provided with insulating layer 3, and is provided with stabilizer blade 2 bottom shell body 1.

Example 2:

on the basis of the above embodiment, another embodiment of the present invention is that a steam discharge pipe 22 and an expansion link 21 are arranged on the side wall of the outer shell 1, the steam discharge pipe 22 is communicated with the upper part of the upper chamber of the horizontal partition plate 25, the steam discharge pipe 22 is arranged to facilitate the discharge and use of steam, the protruding end of the expansion link 21 penetrates through the side wall of the outer shell 1 to be connected with a push plate 20, the push plate 20 is located in the feeding chute 18, when an aluminum ingot needs to be replenished into the crucible 5, the aluminum ingot is fed from the feeding port 19, falls onto the feeding chute 18, the expansion link 21 is started to push the aluminum ingot into the crucible 5 through the push plate 20, and the expansion link 21 needs to be kept protruding to block the through port of the feeding chute 18 during the aluminum ingot.

Example 3:

on the basis of the above embodiment, another embodiment of the present invention is that in order to utilize the waste heat and treat the high temperature flue gas, the heat exchange water 28 is injected into the upper region of the horizontal partition plate 25, the high temperature flue gas is cooled by the heat exchange water 28, and in addition, the waste heat of the high temperature flue gas is utilized to heat the heat exchange water 28, the generated steam is convenient for industrial use, the alkali liquor 27 is injected into the lower region of the horizontal partition plate 25, and the lower end port of the coil 26 extends into the alkali liquor 27, thereby removing the acid gas in the flue gas.

Example 4:

on the basis of the above embodiment, another embodiment of the present invention is that a sleeve 15 and a first hydraulic cylinder 16 are arranged on the sealing cover 10, a connecting rod 9 penetrates through the sleeve 15, the sleeve 15 is in close contact with the connecting rod 9, the lower end of the connecting rod 9 is connected with a plug 8, the plug 8 plugs the discharge port 7 during the smelting process, the melting points of the connecting rod 9 and the plug 8 are far higher than the melting point of an aluminum ingot, the upper end of the connecting rod 9 is connected with an ejector plate 17, the end of the first hydraulic cylinder 16 is connected with the ejector plate 17, and when aluminum liquid needs to be discharged, the connecting rod 9 is ejected upwards through the first hydraulic cylinder 16, so that the plug 8 is separated from the discharge port 7, and the aluminum liquid is discharged from the discharge port 7.

Example 5:

on the basis of the above embodiment, another embodiment of the present invention is to facilitate opening the cover 10 to insert an aluminum ingot into the crucible 5, the cover 10 is provided with lugs 12 at both sides, the lugs 12 are in an inverted L shape, the top of the outer housing 1 is provided with a second hydraulic cylinder 11, the second hydraulic cylinder 11 is located at both sides of the cover 10, and the pushing end of the second hydraulic cylinder 11 is connected with the lugs 12.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a device is smelted to high-efficient environment-friendly aluminium ingot which characterized in that: comprises an outer shell (1) and a crucible (5), wherein the crucible (5) is fixedly arranged in the outer shell (1), a sealing cover (10) is arranged above the crucible (5), a burner (13) is arranged on the sealing cover (10), a nozzle (14) is connected on the burner (13), the nozzle (14) faces towards the crucible (5), a discharge opening (7) is arranged at the bottom of the crucible (5), a plug (8) is arranged on the discharge opening (7), a discharge channel (4) is arranged below the crucible (5), the upper part of the discharge channel (4) corresponds to the discharge opening (7), the lower part of the discharge channel (4) obliquely extends to the side wall of the outer shell (1), an electromagnetic heating coil (6) is arranged on the outer side wall of the crucible (5), a feed opening (19) is arranged on the top surface of the outer shell (1), and a feed chute (18) is arranged above the inner cavity of the outer shell (1), feed inlet (19) are linked together with chute feeder (18), be provided with perpendicularly in shell body (1) and erect baffle (24) and divide into two regions about with shell body (1) intracavity, crucible (5) are arranged in the right part region, transversely be provided with horizontal baffle (25) in shell body (1) left part region and divide into two upper and lower cavities with this left part region, be provided with coiled pipe (26) in the top cavity that is located horizontal baffle (25), the upper end of coiled pipe (26) is run through and is erected baffle (24) and be linked together with crucible (5) upper portion, the lower extreme of coiled pipe (26) runs through horizontal baffle (25) downwardly extending, shell body (1) lateral wall is provided with chimney (23), chimney (23) lower extreme and horizontal baffle (25) lower part cavity are linked together.

2. The efficient environment-friendly aluminum ingot smelting device as claimed in claim 1, wherein: the steam discharging pipe (22) and the telescopic rod (21) are arranged on the side wall of the outer shell (1), the steam discharging pipe (22) is communicated with the upper portion of the upper chamber of the horizontal partition plate (25), the extending end of the telescopic rod (21) penetrates through the side wall of the outer shell (1) to be connected with the push plate (20), and the push plate (20) is located in the feeding groove (18).

3. The efficient environment-friendly aluminum ingot smelting device as claimed in claim 1, wherein: the inner side wall of the outer shell (1) is provided with a heat insulation layer (3), and the bottom of the outer shell (1) is provided with support legs (2).

4. The efficient environment-friendly aluminum ingot smelting device as claimed in claim 1, wherein: the area above the horizontal partition plate (25) is filled with heat exchange water (28), the area below the horizontal partition plate (25) is filled with alkali liquor (27), and the lower end port of the coiled pipe (26) extends into the alkali liquor (27).

5. The efficient environment-friendly aluminum ingot smelting device as claimed in claim 1, wherein: be provided with sleeve pipe (15) and first pneumatic cylinder (16) on closing cap (10), wear to be equipped with connecting rod (9) in sleeve pipe (15), the lower extreme and the jam (8) of connecting rod (9) are connected, and the upper end of connecting rod (9) is connected with liftout plate (17), the end and the liftout plate (17) of first pneumatic cylinder (16) are connected.

6. The efficient and environment-friendly aluminum ingot smelting device as claimed in claim 1, wherein two sides of the sealing cover (10) are provided with lugs (12), the lugs (12) are in an inverted L shape, the top of the outer shell (1) is provided with a second hydraulic cylinder (11), and the pushing end of the second hydraulic cylinder (11) is connected with the lugs (12).