CN212328594U - Sorting system - Google Patents
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- CN212328594U CN212328594U CN202020288826.3U CN202020288826U CN212328594U CN 212328594 U CN212328594 U CN 212328594U CN 202020288826 U CN202020288826 U CN 202020288826U CN 212328594 U CN212328594 U CN 212328594U
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Abstract
The utility model provides a sorting system, this system includes: the first sorting device is used for receiving the materials, removing iron and nonmetal contained in the materials and outputting the residual metal materials; the second sorting device is connected with the first sorting device and used for receiving the metal materials, separating the aluminum and other metals in the metal materials by utilizing the density of each metal in the metal materials and then respectively outputting the separated aluminum and other metals; and the drying device is connected with the second sorting device and is used for receiving and drying the separated aluminum. The utility model discloses in, detach the iron and nonmetal in the material earlier, remaining metal material utilizes its self density difference to separate out the aluminium again, can improve separation quality effectively, guarantees to sort out the purity of the aluminium to, can sort out the aluminium through first sorting unit and second sorting unit, need not artifical the sorting, simple and convenient has improved sorting efficiency, greatly reduced staff's intensity of labour.
Description
Technical Field
The utility model relates to a material sorting technical field particularly, relates to a sorting system.
Background
In industrial production, particularly in the metal industry, a large amount of waste materials are generated in the production process, and the waste materials are generally mixed of metal and metal, or mixed of metal and nonmetal. It is often necessary to sort the scrap material in order to make secondary use of the metal therein. Taking the waste aluminum material as an example, the waste aluminum material contains metals such as aluminum, iron, magnesium, lead and the like and non-metals such as plastics, soil, rubber, wood chips and the like, and aluminum enterprises generally recycle the aluminum in the waste aluminum material. However, when the aluminum in the waste aluminum materials is recovered, the waste aluminum materials are manually sorted, soil and garbage are firstly screened out, then nonmetal and metal waste materials are sorted out, and the sorted waste aluminum materials are mixed and cannot be subdivided. The tools used during sorting are magnets, steel files, hammers, pliers, screwdrivers and the like, and workers rely on experience during sorting, so that the sorting efficiency is low, the quality is poor, and the labor intensity of the workers is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a sorting system aims at solving among the prior art aluminium among the manual sorting aluminium scrap material and easily leads to the problem that sorting efficiency is low, the quality is poor and intensity of labour is big.
The utility model provides a sorting system, this system includes: the first sorting device is used for receiving the materials, removing iron and nonmetal contained in the materials and outputting the residual metal materials; the second sorting device is connected with the first sorting device and used for receiving the metal materials, separating the aluminum and other metals in the metal materials by utilizing the density of each metal in the metal materials and then respectively outputting the separated aluminum and other metals; and the drying device is connected with the second sorting device and is used for receiving and drying the separated aluminum.
Further, in the above sorting system, the first sorting device includes: the screening device is used for receiving the materials and screening the materials with the preset particle size; the magnetic separation mechanism is connected with the screening device and is used for removing iron in the materials with preset grain sizes; and the sorting mechanism is connected with the magnetic sorting mechanism and the second sorting device and is used for removing the nonmetal in the materials after iron removal and conveying the residual metal materials to the second sorting device.
Further, in the above-mentioned sorting system, the magnetic separation mechanism includes: the first vibrating feeder is connected with the screening device and used for enabling materials with preset particle sizes to be uniformly distributed; the first magnetic separation device is connected with the first vibrating feeder and is used for separating iron and iron-carrying aluminum in the materials with preset particle sizes and outputting the separated iron and iron-carrying aluminum; the second vibrating feeder is connected with the first magnetic separation device and used for uniformly distributing the materials after iron and aluminum are removed; and the second magnetic separation device is connected with the second vibrating feeder and the sorting mechanism and is used for separating the aluminum strip iron in the materials with iron and iron strip aluminum removed, outputting the separated aluminum strip iron and conveying the rest materials to the sorting mechanism.
Further, in the above sorting system, the sorting mechanism includes: the third vibrating feeder is connected with the magnetic separation mechanism and used for uniformly distributing the materials after iron removal; and the vortex separator is connected with the third vibrating feeder and the second sorting device and used for removing the nonmetal in the materials after the iron is removed and conveying the residual metal materials after the nonmetal is removed to the second sorting device.
Furthermore, in the sorting system, two first sorting devices are arranged in parallel and are connected with the second sorting device.
Further, in the above sorting system, the second sorting device includes: the desliming mechanism is connected with the first sorting device and used for receiving the metal materials and desliming the metal materials; the first dense medium separator is connected with the desliming mechanism, stores dense medium suspension liquid with a first preset density, and is used for separating and respectively outputting metals with the density less than the first preset density and metals with the density more than the first preset density in desliming metal materials; the second dense medium separator is connected with the first dense medium separator, stores dense medium suspension liquid with a second preset density, is used for receiving the metal with the density larger than the first preset density, separates the aluminum with the density smaller than the second preset density from the metal with the density larger than the second preset density, and respectively outputs the separated aluminum and the metal; and the drying device is connected with the second dense medium separator to receive and dry the separated aluminum.
Further, in the above-mentioned sorting system, the desliming mechanism includes: the desliming sieve is connected with the first sorting device and the first dense medium sorting machine and is used for receiving the metal materials, desliming the metal materials, uniformly distributing the metal materials and conveying the deslimed metal materials to the first dense medium sorting machine; and the washing device is connected with the desliming screen and is used for spraying water to wash the metal materials.
Furthermore, in the sorting system, a cleaning device is arranged between the first dense medium sorting machine and the second dense medium sorting machine so as to clean the separated metal with the density larger than the first preset density; and/or a cleaning device is arranged between the second dense medium separator and the drying device to clean the separated aluminum.
Further, in the above sorting system, the second sorting device further includes: and the two density control systems are respectively connected with the first dense medium sorting machine and the second dense medium sorting machine in a one-to-one correspondence mode and are used for adjusting the density of the dense medium suspension.
Further, in the above sorting system, each of the density control systems includes: the medium barrel is used for storing the heavy medium suspension liquid, and an outlet of the medium barrel is connected with the corresponding heavy medium separator through a first pipeline so as to convey the heavy medium suspension liquid to the corresponding heavy medium separator; the density control mechanism is arranged on the first pipeline and used for detecting the density of the dense medium suspension liquid and comparing the detected density of the dense medium suspension liquid with a preset density range; and the outlet of the medium barrel is also connected with the adjusting device through a second pipeline, the adjusting device is also connected with the inlet of the medium barrel and the density control mechanism, and the density control mechanism is also used for controlling the adjusting device to adjust the density of the heavy medium suspension liquid according to the comparison result and conveying the adjusted heavy medium suspension liquid to the medium barrel.
Further, in the above sorting system, the adjusting means includes: the separation device is connected with the second pipeline and is used for separating the first density solution and the second density solution in the heavy medium suspension; the separation device is also connected with the inlet of the medium barrel so as to convey the separated first-density solution to the medium barrel; wherein the dense medium suspension has a first density solution and a second density solution; the adjusting mechanism is connected with the separating device, the inlet of the medium barrel and the density control mechanism and is used for receiving the separated second density solution; the density control mechanism is also used for controlling the adjusting mechanism to adjust the density of the second density solution according to the comparison result and conveying the adjusted solution to the medium barrel.
Further, in the above sorting system, the adjusting mechanism includes: the first inlet of the flow dividing device is connected with the separation device to receive the second density solution; the first outlet of the flow dividing device is connected with the inlet of the medium barrel, and the density control mechanism is also connected with the flow dividing device and used for controlling the flow dividing device to convey the second density solution to the medium barrel when the density of the dense medium suspension liquid meets a preset density range; the second outlet of the shunting device is connected with the inlet of the medium barrel through the concentration mechanism, and the density control mechanism is also used for controlling the shunting device to convey the second density solution to the concentration mechanism when the density of the dense medium suspension is smaller than a preset density range; the concentration mechanism is used for concentrating the second density solution and conveying the concentrated solution to the medium barrel; the second inlet of the flow dividing device is connected with the clean water conveying device, the clean water conveying device is connected with the density control mechanism, and the density control mechanism is used for controlling the clean water conveying device to convey clean water into the medium barrel through the flow dividing device when the density of the heavy medium suspension is larger than a preset density range.
The utility model discloses in, detach iron and nonmetal in the material earlier, remaining metal material utilizes its self density difference to separate out the aluminium again, can improve separation quality effectively, guarantee to sort out the purity of the aluminium, and, can sort out the aluminium through first sorting unit and second sorting unit, need not artifical the sorting, and is simple and convenient, separation efficiency is improved, greatly reduced staff's intensity of labour, the problem that aluminium among the manual sorting aluminium scrap material easily leads to separation efficiency low, the quality is poor and intensity of labour is big among the prior art has been solved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a sorting system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first sorting device in the sorting system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a magnetic separation mechanism in the separation system provided by the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second sorting device in the sorting system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a density control system in the sorting system according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a sorting system according to an embodiment of the present invention. As shown, the sorting system comprises: a first sorting device 1, a second sorting device 2 and a drying device. Wherein the first sorting device 1 is used for receiving materials, removing iron and nonmetal in the materials and outputting the residual metal materials. In particular, the material can be waste aluminum material, and the sorting system aims at sorting out aluminum in the waste aluminum material. The waste aluminum material comprises: the first sorting device 1 removes iron and nonmetal in the waste aluminum materials, and the rest materials are metal materials.
The second sorting device 2 is connected with the first sorting device 1, and the second sorting device 2 is used for receiving the metal materials, separating aluminum and other metals in the metal materials by utilizing different metal densities, and outputting the separated aluminum and other metals respectively. And the drying device is connected with the second sorting device 2, receives the separated aluminum and dries the aluminum, so that the aluminum can be secondarily utilized subsequently. The second sorting device 2 can convey the separated other metals to other equipment for processing.
It can be seen that, in this embodiment, iron and nonmetal in the material are detached earlier, and remaining metal material utilizes its self density difference to separate out aluminium again, can improve separation quality effectively, guarantees the purity of the aluminium of selecting separately, and, can select separately aluminium through first sorting unit 1 and second sorting unit 2, need not artifical the selection, and is simple and convenient, has improved separation efficiency, greatly reduced staff's intensity of labour, has solved among the prior art aluminium among the manual selection waste aluminium material and has easily leaded to the separation efficiency low, the quality is poor and intensity of labour is big problem.
Referring to fig. 1 to 3, in the above embodiment, the first sorting apparatus 1 may include: screening device 11, magnetic separation mechanism 12 and sorting mechanism 13. The screening device 11 is used for receiving materials and screening out materials with preset particle sizes. Specifically, screening plant 11 can be connected with storage device through conveyor, and the material of storage device interior storage passes through conveyor and carries to screening plant 11 in, and screening plant 11 sieves the material according to the particle diameter of material to obtain the material of predetermineeing the particle diameter, the material of other particle diameters is exported by screening plant 11 to other equipment departments and is handled. In specific implementation, the preset particle size may be determined according to actual conditions, and this embodiment does not limit this.
In this embodiment, the sieving device 11 can sieve the material into four size fractions of 0-5mm, 5-50mm, 50-110mm, and more than 110 mm. The screening device 11 may be connected to a shaker to deliver 0-5mm material to the shaker for sorting. The screening device 11 can output materials larger than 110mm, and subsequent equipment can perform secondary crushing on the materials larger than 110mm or directly perform manual sorting. The materials with two particle sizes of 5-50mm and 50-110mm are the materials with the preset particle size, because the separation efficiency is easily influenced when the materials with the particle size larger than 110mm are conveyed into the second separation device 2, and the manual separation efficiency is higher; the separation effect is easily influenced when the materials with the thickness of 0-5mm are conveyed to the second separation device 2, and the separation effect of the second separation device 2 is further reduced.
Preferably, the screening device 11 is a cylindrical screen, and the materials are classified through circular motion, so that small-particle sand stones, dust and large blocks in the materials can be removed, and the aluminum can be directly put into the furnace.
The magnetic separation mechanism 12 is connected with the screening device 11, and the magnetic separation mechanism 12 is used for removing iron in materials with preset particle sizes. The sorting mechanism 13 is connected with both the magnetic sorting mechanism 12 and the second sorting device 2, and the sorting mechanism 13 is used for removing non-metals in the materials after removing iron and conveying metal material flows after removing iron and non-metals to the second sorting device 2.
Referring to fig. 1-3, the magnetic separation mechanism 12 may include: a first vibrating feeder, a first magnetic separation device 121, a second vibrating feeder and a second magnetic separation device 122. Wherein, first vibrating feeder is connected with screening plant 11, and first vibrating feeder is used for making the material evenly distributed of predetermineeing the particle diameter. First magnetic separation device 121 is connected with first vibrating feeder, and first magnetic separation device 121 is arranged in utilizing magnetic field characteristic to the evenly distributed material to separate out iron and iron belt aluminium in the material to iron and iron belt aluminium that will separate out all export. Specifically, based on the characteristic that iron is easily attracted by a magnetic field, the first magnetic separation device 121 has a certain magnetic field strength, and the magnetic field is used for attracting pure iron pieces (such as iron nails, screws, nuts and iron sheets) and iron-containing aluminum, so that the iron and the iron-containing aluminum are separated from other substances in the material.
The second vibrating feeder is connected with the first magnetic separation device 121, and the second vibrating feeder is used for uniformly distributing the materials after removing iron and aluminum in the iron band. The second magnetic separation device 122 is connected with both the second vibrating feeder and the sorting mechanism 13, and the second magnetic separation device 122 is used for separating the aluminum strip iron from the materials with iron and aluminum strip removed by using the magnetic field characteristic, outputting the separated aluminum strip iron, and conveying the rest of the materials to the sorting mechanism 13. Specifically, the second magnetic separation device 122 has a certain magnetic field strength, and the magnetic field is used to attract the aluminum strip iron, so that the aluminum strip iron is separated from other substances in the material.
The magnetic field intensity of the second magnetic separation device 122 is greater than that of the first magnetic separation device 121, so that the aluminum strip iron in the material can be separated out conveniently, and the separation quality of the iron is ensured. In specific implementation, the surface field of the first magnetic separator 121 is 1500Gs, and the surface field of the second magnetic separator 122 is 4500 Gs.
Preferably, the first magnetic separation device 121 and the second magnetic separation device 122 are both permanent magnetic rollers.
The first vibrating feeder and the second vibrating feeder are arranged so that the materials can be more effectively separated from iron and metals related to the iron during magnetic separation; the first magnetic separation device 121 and the second magnetic separation device 122 are arranged, so that iron in the material can be effectively removed, and the sorting efficiency and the sorting quality of aluminum in the material are improved.
The sorting mechanism 13 may include: a third vibratory feeder and a vortex classifier 131. The third vibrating feeder is connected with the second magnetic separation device 122 in the magnetic separation mechanism 12, and the third vibrating feeder is used for uniformly distributing the materials after iron removal. The vortex separator 131 is connected with the third vibrating feeder and the second sorting device 2, and the vortex separator 131 is used for removing non-metals in the materials after removing iron and conveying the remaining metal materials after removing the non-metals to the second sorting device 2. The non-metals in the material include: sponge, plastic, rubber, large-particle sandstone, etc. The metal materials sorted by the vortex sorter 131 include: magnesium, copper, zinc, lead, aluminum, stainless steel. Nonmetal in the material is removed through the vortex separator 131, so that the aluminum can be conveniently separated, and the purity of the separated aluminum can be effectively guaranteed. Also, the vortex classifier 131 can remove a small amount of stainless steel.
In this embodiment, screening plant 11 sieves out the material that will predetermine the particle diameter for the particle size of material is more concentrated, has improved the separation effect of magnetic separation mechanism 12 to iron effectively, and has improved sorting mechanism 13 to nonmetal's sorting efficiency, and the separation of the aluminium in the material of being convenient for has improved the aluminium's of sorting purity.
Referring to fig. 1 to 3, in each of the above embodiments, there are two first sorting apparatuses 1, two first sorting apparatuses 1 are arranged in parallel, and both first sorting apparatuses 1 are connected to the second sorting apparatus 2. Specifically, the screening device 11, the magnetic separation mechanism 12 and the sorting mechanism 13 are two sets arranged in parallel, so that when one first sorting device 1 fails or stops working, the other first sorting device 1 can continue working, and the normal working of the second sorting device 2 can be ensured.
In specific implementation, a material cutting belt conveyor is arranged between the two vortex separators 131. When one of the vortex classifiers 131 fails or stops working, the material cutting belt conveys the materials in the failed vortex classifier 131 to the other vortex classifier 131.
Referring to fig. 1 and 4, in each of the above embodiments, the second sorting device 2 may include: a desliming mechanism 21, a first dense medium separator 22, and a second dense medium separator 23. The desliming mechanism 21 is connected with the first sorting device 1, specifically, the desliming mechanism 21 is connected with the vortex sorting machine 131 in the sorting mechanism 13, and the desliming mechanism 21 is used for receiving the metal materials which are output by the first sorting device 1 and are left after iron and nonmetal are removed and desliming the metal materials.
The first dense medium separator 22 is connected with the desliming mechanism 21, dense medium suspension liquid with a first preset density is stored in the first dense medium separator 22, and the first dense medium separator 22 is used for separating metal smaller than the first preset density and metal larger than the first preset density in deslimed metal materials and respectively outputting the metal smaller than the first preset density and the metal larger than the first preset density. Specifically, the first dense medium separator 22 uses the difference in density between the dense medium suspension and each metal in the metal material for separation.
Heavy medium means greater than water (1 g/cm)3) The process of separating ore particles in the heavy medium is called the heavy medium beneficiation. The basic principle of the heavy medium beneficiation method is the Archimedes principle, namely, particles smaller than the density of the heavy medium float upwards in the medium, and particles larger than the density of the heavy medium sink downwards in the medium.
In the first dense medium separator 22, the metal greater than the first predetermined density of the dense medium suspension sinks, and the metal less than the first predetermined density of the dense medium suspension floats. An overflow port is formed in the upper portion of the first dense medium separator 22, and floating metal flows out of the overflow port. The lower part of the first dense medium separator 22 is provided with a discharge port, and the sinking metal can be conveyed to the discharge port through the scraper and output. In specific implementation, the dense medium and the first preset density may be determined according to actual conditions, and this embodiment does not limit this.
In this embodiment, the dense medium is ferrosilicon powder, is a ferrosilicon alloy that is smelted, has characteristics such as oxidation resistance, hardness are big, take the ferromagnetism, can carry out recycle after using through screening and magnetic separation recovery. In this embodiment, the first predetermined density is 2.0-2.1g/cm3The magnesium and aluminum flake floats in the heavy medium suspension liquid, while the aluminum, copper, zinc, lead and stainless steel sink in the heavy medium suspension liquid, thereby the magnesium and aluminum flake and the aluminum, copper, zinc, lead and stainless steel are mixedSeparating the steel and outputting respectively.
The second dense medium separator 23 is connected to the first dense medium separator 22, the second dense medium separator 23 stores a dense medium suspension liquid having a second preset density, and the second dense medium separator 23 is configured to receive a metal having a density greater than the first preset density, separate aluminum having a density less than the second preset density from the metal having a density greater than the second preset density, and output the separated aluminum and other metals, respectively. The second dense medium separator 23 is also connected to a drying device that receives and dries the separated aluminum.
In the second dense-medium separator 23, the metal larger than the second predetermined density of the dense-medium suspension sinks, and the metal smaller than the second predetermined density of the dense-medium suspension floats. An overflow port is formed in the upper portion of the second dense medium separator 23, and floating metal flows out of the overflow port. The lower part of the second dense medium separator 23 is provided with a discharge port, and the sinking metal can be conveyed to the discharge port through the scraper and output. In specific implementation, the second preset density may be determined according to actual conditions, and this embodiment does not limit this.
In this embodiment, the second predetermined density is 3.0-3.1g/cm3The metals separated by the first dense medium separator 22 and having a density greater than the first preset density are aluminum, copper, zinc, lead and stainless steel, the aluminum floats up in the dense medium suspension of the second dense medium separator 23, and the copper, zinc, lead and stainless steel sink down in the dense medium suspension, so that the aluminum and the copper, zinc, lead and stainless steel are separated and respectively output.
In the embodiment, the ferrosilicon powder in the first heavy medium separator 22 and the ferrosilicon powder in the second heavy medium separator 23 have different grain fractions, the ferrosilicon powder in the fine grain fraction is used in the first heavy medium separator 22, the duty ratio of the fine grain fraction is small, and the formed suspension is suitable for suspending flaky materials such as magnesium flakes and aluminum flakes. The coarse fraction ferrosilicon powder is used in the second heavy medium separator 23, has a slightly larger coarse duty ratio, and is suitable for suspending lumpy materials, such as lumpy, tubular and strip aluminum.
If the metals output from the overflow port and the discharge port of the first dense medium separator 22 are both provided with dense medium suspension liquid and need to be cleaned, a cleaning device 24 is arranged between the first dense medium separator 22 and the second dense medium separator 23, and the cleaning device 24 is used for cleaning both the separated metals with the density greater than the first preset density and the separated metals with the density less than the first preset density. Specifically, the cleaning device 24 is a medium removing sieve, the overflow port and the discharge port of the first dense medium separator 22 correspond to the first ends of the two chutes one by one, and the second ends of the two chutes correspond to the left and right channels of the medium removing sieve one by one, so that the metal output from the overflow port of the first dense medium separator 22 and smaller than the first preset density is conveyed to the medium removing sieve through the chutes for cleaning, the cleaned dense medium is conveyed to the magnetic separator for recycling, the metal smaller than the first preset density such as magnesium and aluminum flake is conveyed to the storage bin after cleaning and then conveyed to the manual sorting platform, and the metal larger than the first preset density such as aluminum, copper, zinc, lead and stainless steel is conveyed to the second dense medium separator 23 after cleaning.
If the metals output from the overflow port and the discharge port of the second dense-medium separator 23 are both provided with dense-medium suspensions and need to be cleaned, a cleaning device 24 is provided between the second dense-medium separator 23 and the drying device, and the cleaning device 24 is used for cleaning the separated aluminum and the metals with the density higher than the second preset density. Specifically, the cleaning device 24 is a medium removing sieve, the overflow port and the discharge port of the second dense medium separator 23 are in one-to-one correspondence with the first ends of the two chutes respectively, the second ends of the two chutes are in one-to-one correspondence with the left and right channels of the medium removing sieve, so that aluminum output by the overflow port of the second dense medium separator 23 and smaller than the second preset density is conveyed to the medium removing sieve through the chutes for cleaning, the cleaned dense medium is conveyed to the magnetic separator for recycling, metals larger than the second preset density such as copper, zinc, lead and stainless steel are conveyed to the bin after being cleaned and then conveyed to the manual sorting platform, and the aluminum is conveyed to the drying device after being cleaned.
Preferably, a cleaning device 24 is arranged between the first dense medium separator 22 and the second dense medium separator 23 to clean the separated metal with the density larger than the first preset density; and/or a cleaning device 24 is arranged between the second dense medium separator 23 and the drying device to clean the separated aluminum.
In specific implementation, the first dense medium separator 22 and the second dense medium separator 23 are both provided with automatic detection alarm devices, and when material blockage occurs, the automatic detection alarm devices give an alarm.
It can be seen that in this embodiment, the desliming mechanism 21 desliming the metal materials facilitates the separation of the metal materials in the heavy medium suspension, improves the separation efficiency, and avoids the influence of the silt on the density of the heavy medium suspension, and the first heavy medium separator 22 and the second heavy medium separator 23 separate the metal materials according to the density of each metal in the metal materials, thereby effectively improving the separation quality and ensuring the purity of the separated aluminum.
In the above embodiments, the desliming mechanism 21 may include: a desliming screen 211 and a water washing device. The desliming screen 211 is connected with the first sorting device 1, i.e. the desliming screen 211 is connected with the vortex separator 131, and the desliming screen 211 is used for receiving and desliming the metal materials and is also used for uniformly distributing the metal materials. The desliming screen 211 is also connected to the first dense medium separator 22 to convey deslimed metal material to the first dense medium separator 22. The washing device is connected with the desliming screen 211 and is used for washing the uniformly distributed metal materials by spraying water.
During specific implementation, desliming sieve 211 can be linear vibrating screen, utilizes high frequency oscillation to break away from the silt on the metal material to make metal material tile to the sifter, in order to contact with water better, improved the cleaning performance. The water washing device may be coupled to the water treatment system to receive water provided by the water treatment system. The water pressure of the water spray can be determined according to actual conditions, and the embodiment does not limit the water pressure. In this embodiment, the water treatment system is connected to the nozzle, and water is sprayed through the nozzle, wherein the water pressure of the nozzle is 0.6-0.8 Mpa.
It can be seen that, in this embodiment, the metal material is cleaned by the desliming screen 211 and the water washing device together, so that the silt of the metal material is effectively removed, the silt is prevented from entering the dense medium separator to further influence the density of the dense medium suspension, and the stability of the dense medium suspension is effectively ensured. Moreover, the desliming sieve 211 can enable metal materials to be uniformly distributed, increase the contact area of the metal materials and water, facilitate water spraying and cleaning and improve the cleaning effect.
Referring to fig. 5, in the above embodiments, the second sorting apparatus 2 may further include: and two density control systems, wherein the two density control systems are respectively connected with the first heavy medium separator 22 and the second heavy medium separator 23 in a one-to-one correspondence manner, namely, the first heavy medium separator 22 is connected with one density control system, and the second heavy medium separator 23 is connected with the other density control system, and each density control system is used for adjusting the density of the heavy medium suspension liquid in the corresponding heavy medium separator so as to automatically control the density of the heavy medium suspension liquid to be the preset density.
Each density control system may include: a medium barrel 3, a density control mechanism 4 and an adjusting device 5. Wherein the medium barrel 3 is used for storing the heavy medium suspension. The outlet of the medium barrel 3 is connected with the corresponding dense medium separator through a first pipeline, and the medium barrel 3 conveys the dense medium suspension liquid to the corresponding dense medium separator through the first pipeline. The density control mechanism 4 is disposed in the first pipeline, and the density control mechanism 4 is configured to detect the density of the dense medium suspension, and compare the detected density of the dense medium suspension with a preset density range.
Specifically, the density control mechanism 4 may include: a weighing tube 41, a density sensor 42 and a controller 43. Wherein the weighing tube 41 is arranged in the first conduit and is placed between the medium bucket 3 and the heavy medium sorter. A density sensor 42 is arranged on the weighing tube 41 to detect the density of the suspension of weight medium. The controller 43 is connected to the density sensor 42, and the controller 43 is configured to receive the density of the dense medium suspension detected by the density sensor 42 and compare the detected density with a preset density range.
The outlet of the medium barrel 3 is further connected with the inlet of the adjusting device 5 through a second pipeline, the outlet of the adjusting device 5 is connected with the inlet of the medium barrel 3, and the adjusting device 5 is used for receiving the heavy medium suspension liquid output by the medium barrel 3, adjusting the density of the heavy medium suspension liquid, and conveying the adjusted heavy medium suspension liquid to the medium barrel 3. The adjusting device 5 is connected with the density control mechanism 4, specifically, the adjusting device 5 is connected with the controller 43, and the controller 43 is used for controlling the adjusting device 5 to adjust the density of the dense medium suspension liquid according to the comparison result and conveying the adjusted dense medium suspension liquid to the medium barrel 3.
It can be seen that, in this embodiment, the dense medium suspension output from the medium barrel 3 is delivered in two ways, one way is delivered to the corresponding dense medium separator through the density control mechanism 4, and the density control mechanism 4 in this way detects and monitors the density of the dense medium suspension; another way is carried to adjusting device 5, and adjusting device 5 carries to medium bucket 3 after adjusting the density of dense medium suspension according to the comparative result of density control mechanism 4, so, can control the density of dense medium suspension accurately, and then guarantee the separation effect of the dense medium sorter that corresponds to metal material, improved the purity of the aluminium of separation quality separation. And each density control system is monitored in real time, so that the dense medium solution is always kept in the dynamic balance of micro fluctuation.
Referring to fig. 5, in the above embodiment, the adjusting device 5 may include: a separating device 51 and an adjusting mechanism. Wherein the inlet of the separating device 51 is connected to the second pipe, the separating device 51 is adapted to receive a dense medium suspension having a first density solution and a second density solution, and the separating device 51 separates the first density solution and the second density solution. Specifically, the separating device 51 is a cyclone, the first density solution is a high density solution, and the second density solution is a low density solution, and in particular, the densities of the first density solution and the second density solution may be determined according to practical situations, which is not limited in this embodiment.
A first outlet of the separation device 51 is connected to the inlet of the medium barrel 3, and a first outlet of the separation device 51 is used for delivering the separated first density solution to the medium barrel 3. The second outlet of the separation device 51 is connected to an adjustment mechanism for receiving the separated second density solution. The adjusting mechanism is also connected with the inlet of the medium barrel 3 and the density control mechanism 4, and the density control mechanism 4 is also used for controlling the adjusting mechanism to adjust the density of the second density solution according to the comparison result and conveying the adjusted solution to the medium barrel 3.
Specifically, the first outlet of the cyclone is arranged at the lower part of the cyclone, and the second outlet is arranged at the upper part of the cyclone, namely the overflow port of the cyclone. The cyclone separates the dense medium suspension into a high density solution and a low density solution by cyclone, the high density solution is transported to the medium barrel 3 through the first outlet at the lower part of the cyclone. The low-density solution is delivered to the regulating mechanism at the upper part of the cyclone through the second outlet by overflowing.
The adjustment mechanism may include: a flow dividing device 52, a thickening mechanism 53 and a clean water conveying device 54. Wherein the first inlet of the dividing means 52 is connected to the second outlet of the separating means 51 for receiving the second density solution. The first outlet of the shunt device 52 is connected to the inlet of the medium barrel 3, and the shunt device 52 is further connected to the density control mechanism 4, and the density control mechanism 4 is configured to control the shunt device 52 to deliver the second density solution to the medium barrel 3 when the density of the dense medium suspension meets a preset density range.
The second outlet of the shunt device 52 is connected with the inlet of the medium barrel 3 through the concentration mechanism 53, and the density control mechanism 4 is further configured to control the shunt device 52 to deliver the second density solution to the concentration mechanism 53 when the density of the dense medium suspension is smaller than the preset density range. The concentration mechanism 53 concentrates the second density solution, and delivers the concentrated solution to the medium bucket 3. Specifically, the concentration mechanism 53 includes: the magnetic separator 531 is connected with the second outlet of the flow dividing device 52, and the demagnetizer 532 is connected with the inlet of the medium barrel 3. The magnetic separator 531 concentrates the second density solution, and introduces excess water produced after concentration into the circulating water through the tail liquid.
The second inlet of the flow dividing device 52 is connected to the clean water delivery device 54, the clean water delivery device 54 is connected to the density control mechanism 4, and the density control mechanism 4 is configured to control the clean water delivery device 54 to deliver clean water into the medium barrel 3 through the flow dividing device 52 when the density of the dense medium suspension is greater than the preset density range. Specifically, the clean water delivery device 54 delivers clean water into the flow dividing device 52, and the clean water is delivered into the medium barrel 3 through the first outlet of the flow dividing device 52.
Preferably, the flow dividing device 52 may include: a shunt box 521, a shunt and a drive motor 522. The interior of the flow distribution box 521 is hollow and the top of the flow distribution box 521 is open, a partition plate is arranged in the flow distribution box 521, the partition plate divides the flow distribution box 521 into two cavities, an outlet, namely a first outlet of the flow distribution box 521, is formed in the bottom wall of the flow distribution box 521, which corresponds to one of the cavities, and the first outlet of the flow distribution box 521 is connected with the inlet of the medium barrel 3; the bottom wall of the diversion box 521 is also opened with an outlet corresponding to another cavity, that is, the second outlet of the diversion box 521, and the second outlet of the diversion box 521 is connected with the magnetic separator 531 in the concentration mechanism 53. The flow divider is rotatably arranged at the top of the flow dividing box 521, the liquid inlet end of the flow divider is connected with the second outlet of the separating device 51, and the liquid outlet end of the flow divider selectively corresponds to the first outlet or the second outlet of the flow dividing box 521. The flow divider is connected with a driving motor 522, and the driving motor 522 drives the flow divider to rotate, so as to control whether the solution in the flow dividing box 521 is output from the first outlet or the second outlet. The drive motor 522 is connected to the controller 43 to drive the diverter to move under the control of the controller 43.
Preferably, the fresh water delivery device 54 may include: a clean water delivery pipe 541 and a clean water solenoid valve 542. The first end of the clear water conveying pipe 541 is connected to the second inlet of the flow dividing device 52, the second end of the clear water conveying pipe 541 can be connected to the water supply device, the clear water electromagnetic valve 542 is disposed on the clear water conveying pipe 541, the controller 43 is connected to the clear water electromagnetic valve 542, and the controller 43 controls whether the clear water is conveyed or not by controlling the open and close of the clear water electromagnetic valve 542.
After the size of the valves of the pipes to the separating device 51, the valves of the weighing pipe 41, and the pipes to the flushing pipe inside the dense medium separator is changed or the valves are changed by the pump, the density detected by the density control mechanism 4 may deviate greatly from the actual value. When the density value detected by the density control mechanism 4 has a large deviation from the actual density value, the density display in the density control mechanism 4 needs to be corrected to enable the density control system to make a correct adjustment to the density.
It can be seen that, in this embodiment, the adjusting device 5 adjusts the density of the dense medium suspension according to the result of comparing the density of the dense medium suspension detected by the density control mechanism 4 with the preset density range, and conveys the adjusted dense medium suspension to the medium barrel 3, and the adjusting device 5 and the density control mechanism 4 are both used for real-time detection and real-time adjustment, so that the density of the dense medium suspension in the dense medium separator can be effectively ensured to meet the requirements in real time, the separation of metal materials is effectively ensured, and the separation efficiency and quality of aluminum are improved.
During specific implementation, the sorting system can be provided with a central centralized control room, so that the sorting of materials is convenient to control. In particular, the density control system can be automatically controlled by a central centralized control room to ensure continuous and stable production. Each device in the sorting system can be controlled on-site or remotely. A touch screen type control system can be installed in the central centralized control room, and operation is facilitated.
In specific implementation, the medium barrel 3 pumps the dense medium suspension liquid through the qualified medium pump when supplying the dense medium to the corresponding dense medium separator, and in order to ensure an effective production period and ensure stable production, the qualified medium pumps are arranged into two, and a main mode and a standby mode are adopted.
In specific implementation, the sorting system can be used for installing the field actual production image system according to actual conditions. And alarm switches are installed on site and in a central centralized control room to realize safe production.
In specific implementation, the voltage of a three-phase power grid adopted by the sorting system is 380VAC, and the total power of the system is 350 KW.
In conclusion, in the embodiment, the iron and the nonmetal in the materials are removed, the remaining metal materials are separated from the aluminum by utilizing the different densities, the separation quality can be effectively improved, the purity of the separated aluminum is ensured, the aluminum can be separated by the first separation device 1 and the second separation device 2, manual separation is not needed, simplicity and convenience are realized, the separation efficiency is improved, and the labor intensity of workers is greatly reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (12)
1. A sorting system, comprising:
the first sorting device (1) is used for receiving the materials, removing iron and nonmetal contained in the materials and outputting the residual metal materials;
the second sorting device (2) is connected with the first sorting device (1) and is used for receiving the metal materials, separating the aluminum and other metals in the metal materials by using the density of each metal in the metal materials and then respectively outputting the separated aluminum and other metals;
and the drying device is connected with the second sorting device (2) and is used for receiving and drying the separated aluminum.
2. Sorting system according to claim 1, characterised in that the first sorting device (1) comprises:
the screening device (11) is used for receiving the materials and screening the materials with preset particle sizes;
the magnetic separation mechanism (12) is connected with the screening device (11) and is used for removing iron in the materials with preset grain sizes;
and the sorting mechanism (13) is connected with the magnetic sorting mechanism (12) and the second sorting device (2) and is used for removing non-metals in the materials after iron removal and conveying the residual metal materials to the second sorting device (2).
3. The sorting system according to claim 2, wherein the magnetic separation mechanism (12) comprises:
the first vibrating feeder is connected with the screening device and used for enabling materials with preset particle sizes to be uniformly distributed;
the first magnetic separation device (121) is connected with the first vibrating feeder and is used for separating iron and iron-carrying aluminum in the materials with preset particle sizes and outputting the separated iron and iron-carrying aluminum;
the second vibrating feeder is connected with the first magnetic separation device (121) and used for uniformly distributing the materials with iron and aluminum removed;
and the second magnetic separation device (122) is connected with the second vibrating feeder and the sorting mechanism (13) and is used for separating the aluminum strip iron in the materials with iron and aluminum strip removed, outputting the separated aluminum strip iron and conveying the rest materials to the sorting mechanism (13).
4. The sorting system according to claim 2, wherein the sorting mechanism (13) comprises:
the third vibrating feeder is connected with the magnetic separation mechanism and used for uniformly distributing the materials after iron removal;
and the vortex separator (131) is connected with the third vibrating feeder and the second sorting device (2) and is used for removing non-metals in the materials after iron removal and conveying the metal materials left after non-metals removal to the second sorting device (2).
5. Sorting system according to any of claims 1-4, characterised in that the first sorting device (1) is two, two first sorting devices (1) being arranged side by side and both being connected to the second sorting device (2).
6. The sorting system according to claim 1, wherein the second sorting device (2) comprises:
the desliming mechanism (21) is connected with the first sorting device (1) and is used for receiving the metal materials and desliming the metal materials;
the first dense medium separator (22) is connected with the desliming mechanism (21), stores dense medium suspension liquid with a first preset density, and is used for separating and respectively outputting metals with a density less than the first preset density and metals with a density greater than the first preset density in the deslimed metal materials;
the second dense medium separator (23) is connected with the first dense medium separator (22), stores dense medium suspension liquid with a second preset density, is used for receiving metal with the density larger than the first preset density, separates aluminum with the density smaller than the second preset density from metal with the density larger than the second preset density, and outputs the separated aluminum and the metal respectively;
the drying device is connected with the second dense medium separator (23) to receive and dry the separated aluminum.
7. The sorting system according to claim 6, wherein the desliming mechanism (21) comprises:
a desliming screen (211) connected to the first sorting device (1) and the first dense medium sorter (22) for receiving the metal material, desliming the metal material, uniformly distributing the metal material, and conveying the deslimed metal material to the first dense medium sorter (22);
and the water washing device is connected with the desliming screen (211) and is used for washing the metal materials by spraying water.
8. The sorting system according to claim 6,
a cleaning device (24) is arranged between the first dense medium separator (22) and the second dense medium separator (23) to clean the separated metal with the density larger than a first preset density; and/or the presence of a gas in the gas,
and a cleaning device (24) is arranged between the second dense medium separator (23) and the drying device to clean the separated aluminum.
9. The sorting system according to any one of claims 6 to 8, wherein the second sorting device (2) further comprises:
and the two density control systems are respectively connected with the first dense medium separator (22) and the second dense medium separator (23) in a one-to-one correspondence mode and are used for adjusting the density of the dense medium suspension.
10. The sorting system of claim 9, wherein each of the density control systems comprises:
the medium barrel (3) is used for storing the heavy medium suspension liquid, and an outlet of the medium barrel (3) is connected with the corresponding heavy medium separator through a first pipeline so as to convey the heavy medium suspension liquid to the corresponding heavy medium separator;
the density control mechanism (4) is arranged in the first pipeline and used for detecting the density of the heavy medium suspension liquid and comparing the detected density of the heavy medium suspension liquid with a preset density range;
the outlet of the medium barrel (3) is connected with the adjusting device (5) through a second pipeline, the adjusting device (5) is also connected with the inlet of the medium barrel (3) and the density control mechanism (4), and the density control mechanism (4) is also used for controlling the adjusting device (5) to adjust the density of the heavy medium suspension liquid according to a comparison result and conveying the adjusted heavy medium suspension liquid to the medium barrel (3).
11. The sorting system according to claim 10, wherein the adjusting device (5) comprises:
a separation device (51) connected to the second conduit for separating a first density solution from a second density solution in the dense medium suspension; the separation device (51) is also connected with the inlet of the medium barrel (3) so as to convey the separated first density solution to the medium barrel (3); wherein the dense medium suspension has a first density solution and a second density solution;
the adjusting mechanism is connected with the separating device (51), the inlet of the medium barrel (3) and the density control mechanism (4) and is used for receiving the separated second density solution; the density control mechanism (4) is also used for controlling the adjusting mechanism to adjust the density of the second density solution according to the comparison result and conveying the adjusted solution to the medium barrel (3).
12. The sorting system of claim 11, wherein the adjustment mechanism comprises:
a dividing device (52), a first inlet of the dividing device (52) being connected to the separation device (51) to receive the second density solution; the first outlet of the flow dividing device (52) is connected with the inlet of the medium barrel (3), and the density control mechanism (4) is also connected with the flow dividing device (52) and used for controlling the flow dividing device (52) to convey the second density solution to the medium barrel (3) when the density of the heavy medium suspension liquid meets a preset density range;
the second outlet of the shunt device (52) is connected with the inlet of the medium barrel (3) through the concentration mechanism (53), and the density control mechanism (4) is further used for controlling the shunt device (52) to convey the second density solution to the concentration mechanism (53) when the density of the heavy medium suspension is smaller than a preset density range; the concentration mechanism (53) is used for concentrating the second density solution and conveying the concentrated solution to the medium barrel (3);
the second inlet of the flow dividing device (52) is connected with the clean water conveying device (54), the clean water conveying device (54) is connected with the density control mechanism (4), and the density control mechanism (4) is used for controlling the clean water conveying device (54) to convey clean water into the medium barrel (3) through the flow dividing device (52) when the density of the heavy medium suspension is larger than a preset density range.
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