CN210711684U

CN210711684U - Aluminum slag separation device for aluminum ash smelting

Info

Publication number: CN210711684U
Application number: CN201921505596.5U
Authority: CN
Inventors: 袁明勇; 封大琴; 赵晓丰
Original assignee: Zunyi Huatong Environmental Protection Technology Co ltd
Current assignee: Zunyi Huatong Environmental Protection Technology Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-09
Anticipated expiration: 2029-09-10

Abstract

The application discloses an aluminum slag separating device for aluminum ash smelting in the technical field of metal smelting, which comprises a smelting barrel and a combustion barrel, wherein the smelting barrel is positioned in the combustion barrel, gas pipes are uniformly distributed on the inner wall of the combustion barrel, a plurality of vent holes are formed in the gas pipes, and the gas inlet ends of the gas pipes penetrate through the combustion barrel and are positioned outside the combustion barrel; the top of the smelting barrel is provided with a motor, an output shaft of the motor is fixedly connected with a stirring rod, the stirring rod penetrates through the smelting barrel and is positioned in the smelting barrel, the stirring rod is movably connected with the smelting barrel, and a plurality of supporting rods for stirring are fixedly connected to one end of the stirring rod, which is positioned at the smelting barrel; the bottom of smelting bucket is equipped with the discharging pipe of throat form, and the discharge end of discharging pipe is vertical to pass the burning bucket downwards and be located outside the burning bucket, and the discharge end of discharging pipe is equipped with the valve, the burning bucket communicates through same feed port with the smelting bucket. This scheme of adoption has solved the problem that current ash frying machine slagging-off is inefficient.

Description

Aluminum slag separation device for aluminum ash smelting

Technical Field

The utility model relates to the technical field of metal smelting, in particular to an aluminum slag separating device for aluminum ash smelting.

Background

Aluminum ash is an important solid waste in the aluminum industry and is produced in a large amount. The aluminum alloy is mainly derived from infusible inclusions, oxides and additives floating on the surface of an aluminum melt in the production process of smelting aluminum and aluminum alloy, reaction products generated by physical and chemical reactions with the additives and the like, and is generated in all production procedures of melting aluminum. The composition of the aluminum ash varies slightly depending on the raw materials and operating conditions of each manufacturer, but generally contains metallic aluminum, oxides, nitrides and carbides of aluminum, salts, other metal oxides (e.g., SiO2, MgO) and some other components. In addition, the use of covering agents during casting or refining results in aluminum ash containing a certain amount of chlorides.

The aluminum ash also contains a large amount of aluminum, so that in order to avoid the waste of the aluminum, the melted aluminum ash is put into an ash frying machine for stir-frying, so that the aluminum is separated from the dust of the magazines, and the pure aluminum is obtained. However, the existing ash frying machine has low stirring speed, so that the aluminum ash is low in slag removal efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aluminum slag separating device for aluminum ash smelting to solve the problem of low slag removal efficiency of the prior ash frying machine.

In order to solve the technical problem, the utility model provides a following technical scheme: the aluminum slag separating device for aluminum ash smelting comprises a smelting barrel and a combustion barrel which are fixed on a support, wherein the smelting barrel is positioned in the combustion barrel, air holes are formed in the combustion barrel, gas pipes are uniformly distributed on the inner wall of the combustion barrel, a plurality of air holes are formed in the gas pipes, and the air inlet ends of the gas pipes penetrate through the combustion barrel and are positioned outside the combustion barrel;

the top of the smelting barrel is provided with a motor, an output shaft of the motor is fixedly connected with a stirring rod, the stirring rod penetrates through the smelting barrel and is positioned in the smelting barrel, the stirring rod is movably connected with the smelting barrel, and a plurality of supporting rods for stirring are fixedly connected to one end of the stirring rod, which is positioned at the smelting barrel; the bottom of smelting bucket is equipped with the discharging pipe of throat form, and the discharge end of discharging pipe is vertical to pass the burning bucket downwards and be located outside the burning bucket, and the discharge end of discharging pipe is equipped with the valve, the burning bucket communicates through same feed port with the smelting bucket.

The utility model discloses the theory of operation: when in use, gas is introduced into the gas pipe and the gas in the combustion barrel is ignited, the melted aluminum ash is put into the smelting barrel through the feed hole, at the moment, the motor is started, the stirring rod is arranged in the smelting barrel and provided with a plurality of support rods, the top end of the stirring rod sequentially penetrates through the smelting barrel and the combustion barrel and is movably connected with the smelting barrel and the combustion barrel, when the motor is started, the motor operates to drive the stirring rod to rotate, the stirring rod drives the support rods to rotate when rotating, the aluminum liquid in the smelting barrel is stirred when the support rods rotate, after the aluminum liquid is stirred, pure aluminum is positioned at the bottom of the smelting barrel due to higher density, impurities contained in the aluminum ash can float on the surface of the aluminum liquid due to lighter density, the bottom of the smelting barrel is provided with a necking-shaped discharge pipe, the discharge end of the discharge pipe vertically and downwards penetrates through the combustion barrel to be positioned outside the combustion barrel and is provided with a valve, therefore, the valve is opened, and the molten pure aluminum flows out along the discharge pipe.

The utility model has the advantages that: this scheme passes through the motor and drives the puddler, and the puddler drives branch and rotates, drives aluminium liquid upset when branch rotates, utilizes the great heavy end characteristic of meeting of aluminium liquid density after melting for the bottom of smelting the bucket is for the pure aluminium liquid after melting, and the rethread discharging pipe is followed the pure aluminium that will be located to smelt the bottom of the barrel and is emitted, makes aluminium and impurity separation's beneficial effect.

Furthermore, the stirring rod and the supporting rod are reserved with cavities, the stirring rod is communicated with the cavities of the supporting rod, the supporting rod is provided with an air outlet hole, the air outlet hole is communicated with the cavities of the supporting rod, the top end of the stirring rod is provided with an air inlet hole, and the air inlet hole is communicated with an air tank through an air pipe. The stirring rod is connected with the gas tank through a pipeline, the gas tank is communicated with the gas inlet of the stirring rod, the gas inlet of the gas tank is communicated with the gas outlet of the supporting rod, and the gas outlet of the gas tank is communicated with the gas outlet of the stirring rod.

Further, the gas filled in the gas tank is nitrogen. The purpose is that the nitrogen is stable in nature and will not react with aluminum.

Further, a guide plate which inclines downwards is arranged under the discharge pipe, and the guide plate is rotatably connected with the support. The aluminum liquid guide plate aims to guide the aluminum liquid containing excessive impurity dust to other container through the guide plate when the aluminum liquid in the smelting barrel needs to be completely discharged, and the aluminum liquid is prevented from being mixed with the aluminum liquid with higher purity because the floating impurity dust on the uppermost layer of the aluminum liquid is excessive.

Drawings

FIG. 1 is a schematic structural view of the aluminum slag separating device for aluminum ash smelting of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a motor 1, a combustion barrel 2, a smelting barrel 3, a stirring rod 4, a gas pipe 5, a supporting rod 6, a discharging pipe 7, a support 8, a valve 9, a guide plate 10, a gas pipe 11, an air inlet 12 and a sleeve 13.

The embodiment is basically as shown in the attached figure 1:

aluminium sediment separator that aluminium ash was smelted, including smelting bucket 3, combustion barrel 2 and support 8, the welding of combustion barrel 2 is on support 8, and smelting bucket is located combustion barrel 2, is equipped with the bleeder vent on combustion barrel 2, and the equipartition has gas pipe 5 on combustion barrel 2's the inner wall, is equipped with a plurality of air vents on the gas pipe 5, and the inlet end of gas pipe 5 passes combustion barrel 2 and is located outside combustion barrel 2.

Smelt bucket 3's top and be equipped with motor 1, hollow puddler 4 of fixedly connected with on motor 1's the output shaft, puddler 4 passes to smelt bucket 3 and is located smelt bucket 3, and puddler 4 and smelt 3 swing joint of bucket, and puddler 4 is located the many hollow branch 6 that are used for the stirring of fixedly connected with of smelting bucket 3's one end, and branch 6 and puddler 4 intercommunication are equipped with the venthole on the branch 6, the venthole communicates with branch 6's cavity, the top ring of puddler 4 is equipped with four inlet ports 12, has cup jointed sleeve pipe 13 on the puddler, sleeve pipe 13 and puddler clearance fit, and inlet port 12 is located sleeve pipe 13, and the intercommunication has trachea 11 on the sleeve pipe 13, and the one end intercommunication that sleeve pipe 13 was kept away from to trachea 11 has inlet port 12 to communicate through trachea 11 and nitrogen gas jar. The bottom of smelting bucket 3 is equipped with the discharging pipe 7 of throat form, and the discharge end of discharging pipe 7 is vertical to pass combustion barrel 2 downwards and is located outside combustion barrel 2, and the discharge end of discharging pipe 7 is equipped with valve 9, is equipped with the guide plate 10 of downward sloping under discharging pipe 7, and guide plate 10 rotates with support 8 to be connected. The combustion barrel 2 is communicated with the smelting barrel 3 through the same feeding hole.

The specific implementation process is as follows:

before use, the guide plate 10 is rotated to be in a vertical state, when the aluminum ash smelting furnace is used, gas is introduced into the gas pipe 5 and the gas in the combustion barrel 2 is ignited, the molten aluminum ash is put into the smelting barrel 3 through the feed hole, at the moment, the motor 1 is started, as the smelting barrel 3 is internally provided with the stirring rod 4, the stirring rod 4 is provided with a plurality of supporting rods 6, the top end of the stirring rod 4 sequentially penetrates through the smelting barrel 3 and the combustion barrel 2 and is movably connected with the smelting barrel 3 and the combustion barrel 2, when the motor 1 is started, the motor 1 operates to drive the stirring rod 4 to rotate, the supporting rods 6 are driven to rotate when the stirring rod 4 rotates, the aluminum liquid in the smelting barrel 3 is stirred when the supporting rods 6 rotate, the nitrogen tank is opened while the supporting rods 6 are stirred, the nitrogen enters the air inlet 12 through the gas pipe 11 and is discharged from the air outlet along the stirring rod 4 and the supporting rods 6, so that the aluminum liquid is turned over under the, after the aluminum liquid is stirred, pure aluminum in the aluminum liquid is positioned at the bottom of the smelting barrel 3 due to the large density of the pure aluminum, impurities contained in aluminum ash can float on the surface of the aluminum liquid due to the light density of the impurities, a necking-shaped discharging pipe 7 is arranged at the bottom of the smelting barrel 3, the discharging end of the discharging pipe 7 vertically penetrates through the combustion barrel 2 downwards, is positioned outside the combustion barrel 2 and is provided with a valve 9, the valve 9 is opened, and the melted pure aluminum flows out along the discharging pipe 7. After the high-purity aluminum liquid is discharged, the residual aluminum liquid containing more impurity and dust in the smelting barrel 3 is closed by the valve 9, the guide plate 10 is rotated to enable one end of the guide plate 10 to be located under the discharge pipe 7, then the valve 9 is opened, the aluminum liquid containing more impurity and dust is discharged to other places through the guide plate 10, and the aluminum liquid is prevented from being mixed with the high-purity aluminum liquid.

Claims

1. Aluminium sediment separator that aluminium ash was smelted, its characterized in that: the smelting barrel is positioned in the combustion barrel, air holes are formed in the combustion barrel, gas pipes are uniformly distributed on the inner wall of the combustion barrel, a plurality of air holes are formed in the gas pipes, and the air inlet ends of the gas pipes penetrate through the combustion barrel and are positioned outside the combustion barrel;

2. The aluminum slag separating device for aluminum ash smelting according to claim 1, characterized in that: the stirring rod with all reserve in the branch and have the cavity, and the mutual intercommunication of the cavity of stirring rod and branch, be equipped with the venthole on the branch, the venthole communicates with the cavity of branch, the top of stirring rod is equipped with the inlet port, and the inlet port communicates through the trachea has the gas pitcher.

3. The aluminum slag separating device for aluminum ash smelting according to claim 2, characterized in that: the gas filled in the gas tank is nitrogen.

4. The aluminum slag separating device for aluminum ash smelting according to claim 3, characterized in that: a guide plate which inclines downwards is arranged under the discharge pipe and is rotatably connected with the support.