CN211005549U

CN211005549U - Aluminum ash recovery device

Info

Publication number: CN211005549U
Application number: CN201921066781.9U
Authority: CN
Inventors: 唐雪; 贾福举; 胡正良
Original assignee: Guizhou Zhenghe Kelaijin Technology Co ltd
Current assignee: Guizhou Zhenghe Kelaijin Technology Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-07-14
Anticipated expiration: 2029-07-09

Abstract

The application discloses an aluminum ash recovery device in the technical field of aluminum ash recovery equipment, which comprises a separation pot, an ash cooling mechanism, a circulating pump and a grinding and separating cylinder, wherein a rotor driven by a rotor motor is arranged in the separation cylinder, and the bottom of the separation pot is communicated with an aluminum water tank; the ash cooling mechanism comprises an ash cooling cylinder and an ash cooling cylinder motor, the ash cooling cylinder is connected with the separation pot through an aluminum ash channel, the ash cooling cylinder is a double-layer cylinder and comprises an inner cylinder and an outer cylinder, the outer cylinder is fixed on the fixed seat, the inner cylinder is rotationally connected with the outer cylinder, the inner cylinder is driven by the ash cooling cylinder motor through a belt, the bottom of the outer cylinder is provided with a cooling water inlet, and the top of the outer cylinder is provided with a cooling water outlet; the grinding and separating cylinder is internally provided with a cast iron ball mill and four grading sieves, a recovery barrel is arranged below each grading sieve, and the grinding and separating cylinder is communicated with the ash cooling cylinder. The scheme solves the problem of low aluminum recovery rate in the prior art.

Description

Aluminum ash recovery device

Technical Field

The invention relates to the technical field of aluminum ash recovery equipment, in particular to an aluminum ash recovery device.

Background

Aluminum ash is an important solid waste in the aluminum industry and is produced in a large amount. The aluminum ash treatment method mainly comes from non-melting 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 aluminum ash treatment is always a simple manual treatment mode, so that the working environment of operators is severe, the labor intensity is high, the working efficiency is low, the aluminum slag inclusion is more during recovery, the problem is solved to a great extent by an aluminum ash separator, the aluminum liquid can be effectively separated from the aluminum ash by utilizing the aluminum ash separator, the labor intensity of workers is greatly reduced, and the labor condition of the workers is improved. The working principle of the stirring device is that the stirrer is used for stirring high-temperature aluminum ash in the frying pan, aluminum beads are gradually sunk into the bottom of the frying pan and flow out through small holes in the bottom of the frying pan under the stirring effect, and the aluminum ash is lighter in specific gravity and floats on an aluminum liquid molten pool under the action of aluminum liquid buoyancy. After stirring for a few minutes, most of the aluminum beads in the aluminum ash are turned out and settled into the molten pool, and the separation process of the ash frying is completed, but the recovery rate of aluminum in the process is low because the secondary recovery of the aluminum ash is not carried out.

Disclosure of Invention

The invention aims to provide an aluminum ash recovery device to solve the problem of low aluminum recovery rate in the prior art.

In order to solve the technical problems, the invention provides the following technical scheme: an aluminum ash recovery device comprises a separation pot, an ash cooling mechanism, a circulating pump and a grinding and separating cylinder, wherein a rotor driven by a rotor motor is arranged in the separation pot, and the bottom of the separation pot is communicated with an aluminum water tank; the ash cooling mechanism comprises an ash cooling cylinder and an ash cooling cylinder motor, the ash cooling cylinder is connected with the separation pot through an aluminum ash channel, the ash cooling cylinder is a double-layer cylinder and comprises an inner cylinder and an outer cylinder, the outer cylinder is fixed on the fixed seat, the inner cylinder is rotationally connected with the outer cylinder, the inner cylinder is driven by the ash cooling cylinder motor through a belt, the bottom of the outer cylinder is provided with a cooling water inlet, and the top of the outer cylinder is provided with a cooling water outlet; the grinding and separating cylinder is internally provided with a cast iron ball mill and four grading sieves, a recovery barrel is arranged below each grade of the grading sieve, and the grinding and separating cylinder is communicated with the ash cooling cylinder.

The working principle of the invention is as follows: the scheme is that hot ash raked out of a smelting furnace is added into a separating pot of the equipment by a forklift, a 7.5KW rotor motor is used for driving an ash frying rotor to stir, liquid high-temperature aluminum liquid continuously displaces under the stirring action, sinks into the bottom of the pot, is separated from the aluminum ash, flows into an aluminum water flow groove, enters into an aluminum water storage hopper to be recovered, meanwhile, part of fine metal aluminum is oxidized and combusted in the ash frying pot, the temperature of the aluminum ash is continuously raised, the surface tension of solid and liquid phases is enhanced, the liquid aluminum beads are conveniently separated, after the aluminum liquid in the separating pot flows, an ash discharging opening is opened, the aluminum ash separated by the aluminum ash is placed into an ash cooling cylinder through an aluminum ash passage, a 4KW motor is used for driving a circulating pump to pump a gap between an outer cylinder and an inner cylinder, cooling water enters into the outer cylinder from a cooling water inlet and leaves from a cooling water outlet, and is driven by a 22KW ash cooling cylinder motor, the cooling cylinder rotates to ensure that the cooling cylinder is uniformly cooled, and the cooled aluminum ash is transmitted to the grinding separation cylinder. The grinding and separating cylinder is internally provided with a cast iron ball mill and four classifying screens, the cast iron ball mill is used for grinding the block ash with aluminum, the grinding and separating cylinder rotates under the drive of a 15KW motor, and the aluminum ash sequentially passes through the four classifying screens. And the recycling barrels are arranged below the classifying screens and used for filling the crushed aluminum ash into the recycling barrels, the aluminum ash filled into the recycling barrels after the two classifying screens is subjected to the next recycling process, the aluminum ash entering the recycling barrels under the third classifying screen is directly poured into the separating pot again, the separating pot can be cooled, and the remaining granular aluminum ash is recycled in the fourth classifying screen stage and is recycled again.

The invention has the beneficial effects that: this scheme is through letting in the cooling water to a cool grey section of thick bamboo, rotates the inner tube simultaneously for the aluminium ash cooling that enters into the inner tube is even, sets up multistage classifying screen and carries out recycle to the aluminium ash, has improved the recovery efficiency of aluminium ash.

The optimization of the basic technical scheme is as follows:

further, the bottom of the separation pot is provided with a magnetic sieve, and a plurality of small holes are uniformly formed in the magnetic sieve. Thus, the iron generated by thermite reaction in the smelting process can be adsorbed.

The dust removal device further comprises a dust removal processing system, wherein the dust removal processing system is respectively communicated with the separation pot, the ash cooling cylinder and the grinding and separating cylinder through a smoke pipe, and a smoke cover is arranged at the joint of the smoke pipe and the separation pot. The smoke and dust generated in the recovery process is sucked into the dust removal treatment system, is subjected to cloth bag filtration and spraying treatment, and is discharged after reaching the standard.

Drawings

FIG. 1 is a schematic structural diagram of an aluminum ash recovery device according to the present invention;

fig. 2 is a schematic structural diagram of a lime cooling cylinder in the aluminum ash recovery device 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 smoke dust absorption fan 1, a smoke dust pipeline 2, a dust hood 3, a separation pot 4, an electric control cabinet 5, an aluminum ash channel 6, an aluminum water flow groove 7, an ash cooling cylinder 8, an aluminum water storage tank 9, a recovery barrel 10, a grinding separation cylinder 11, an ash cooling cylinder motor 12, an outer cylinder 13, an inner cylinder 14, a cooling water inlet 15 and a cooling water outlet 16.

The embodiment is basically as shown in the attached figures 1 and 2: an aluminum ash recovery device comprises a separation pot 4, an ash cooling mechanism, a circulating pump and a grinding and separating cylinder 11, wherein a smoke dust cover is arranged above the separation pot 4, a rotor driven by a rotor motor is arranged in the separation pot 4, the rotor is driven by the motor, and the bottom of the separation pot 4 is communicated with an aluminum water storage tank 9 through an aluminum water flow groove 7; the ash cooling mechanism comprises an ash cooling cylinder 8 and an ash cooling cylinder motor 12, the ash cooling cylinder 8 is connected with the separation pot 4 through an aluminum ash channel 6, the ash cooling cylinder 8 is a double-layer cylinder and comprises an inner cylinder 14 and an outer cylinder 13, the outer cylinder 13 is fixed on a fixed seat, the fixed seat is fixed on the ground, the inner cylinder 14 is rotatably connected with the outer cylinder 13, a leakage-proof gasket is arranged at the joint, the inner cylinder 14 is driven by the ash cooling cylinder motor 12 through a belt, the bottom of the outer cylinder 13 is provided with a cooling water inlet 15, and the top of the outer cylinder 13 is provided with a cooling water outlet 16; the grinding and separating cylinder 11 is internally provided with a cast iron ball mill and four classifying screens, a recovery barrel 10 is arranged below each classifying screen, the grinding and separating cylinder 11 is communicated with the cool ash cylinder 8, the power supply of the motor in the embodiment is supplied by the electric control cabinet 5, and the cool ash cylinder 8 and the grinding and separating cylinder 11 are communicated with the dust removal processing system through the smoke pipeline 2.

The specific implementation process is as follows: the scheme is that hot ash raked out from a smelting furnace is added into a separating pot 4 of the equipment by a forklift, a 7.5KW rotor motor drives an ash frying rotor to stir, liquid high-temperature aluminum liquid continuously displaces under the stirring action, sinks into the bottom of the pot, is separated from aluminum ash, flows into an aluminum water flow groove 7, enters into an aluminum water storage hopper to be recycled, meanwhile, part of fine metal aluminum is oxidized and combusted in the ash frying pot, the temperature of the aluminum ash is continuously raised, the surface tension of solid and liquid phases is enhanced, liquid aluminum beads are conveniently separated, after the aluminum liquid in the separating pot 4 is completely flowed, an ash discharging opening is opened, the aluminum ash separated by the aluminum ash is placed into an ash cooling cylinder 8 through an aluminum ash channel 6, a 4KW motor drives a circulating pump to pump a gap between an outer cylinder 13 and an inner cylinder 14, cooling water enters into the outer cylinder 13 from a cooling water inlet 15 and leaves from a cooling water outlet 16, then cooling the aluminum ash to an aluminum water storage tank 9, finally recycling the aluminum ash to achieve reasonable recycling of water resources, rotating an ash cooling cylinder 8 under the driving of a 22KW ash cooling cylinder motor 12 to ensure that the ash cooling cylinder 8 is uniformly cooled, and transmitting the cooled aluminum ash to a grinding separation cylinder 11. The grinding and separating cylinder 11 is internally provided with a cast iron ball mill and four classifying screens, the cast iron ball mill is used for grinding the block ash with aluminum, the grinding and separating cylinder 11 rotates under the drive of a 15KW motor, and the aluminum ash sequentially passes through the four classifying screens. All be equipped with recycling bin 10 below the classifying screen for pack into recycling bin 10 with the aluminium ash after the crushing, pack into recycling bin 10's aluminium ash behind two preceding classifying screens and carry out recovery process on next step, the aluminium ash that gets into recycling bin 10 under the third classifying screen directly pours into separation pot 4 again in, can cool down separation pot 4, and remaining graininess aluminium ash is retrieved in the fourth classifying screen stage, fries the ash recovery again.

Claims

1. The utility model provides an aluminium ash recovery unit which characterized in that: the device comprises a separation pot, an ash cooling mechanism, a circulating pump and a grinding and separating cylinder, wherein a rotor driven by a rotor motor is arranged in the separation pot, and the bottom of the separation pot is communicated with an aluminum water tank; the ash cooling mechanism comprises an ash cooling cylinder and an ash cooling cylinder motor, the ash cooling cylinder is connected with the separation pot through an aluminum ash channel, the ash cooling cylinder is a double-layer cylinder and comprises an inner cylinder and an outer cylinder, the outer cylinder is fixed on the fixed seat, the inner cylinder is rotationally connected with the outer cylinder, the inner cylinder is driven by the ash cooling cylinder motor through a belt, the bottom of the outer cylinder is provided with a cooling water inlet, and the top of the outer cylinder is provided with a cooling water outlet; the grinding and separating cylinder is internally provided with a cast iron ball mill and four grading sieves, a recovery barrel is arranged below each grade of the grading sieve, and the grinding and separating cylinder is communicated with the ash cooling cylinder.

2. The aluminum ash recovery device of claim 1, wherein: the bottom of the separation pot is provided with a magnetic sieve, and a plurality of small holes are uniformly formed in the magnetic sieve.

3. The aluminum ash recovery device of claim 2, wherein: the dust removal device is characterized by further comprising a dust removal processing system, wherein the dust removal processing system is respectively communicated with the separation pot, the ash cooling cylinder and the grinding separation cylinder through a smoke pipe, and a smoke cover is arranged at the joint of the smoke pipe and the separation pot.