CN108950216B - Method for recycling waste aluminum - Google Patents

Method for recycling waste aluminum Download PDF

Info

Publication number
CN108950216B
CN108950216B CN201810920197.9A CN201810920197A CN108950216B CN 108950216 B CN108950216 B CN 108950216B CN 201810920197 A CN201810920197 A CN 201810920197A CN 108950216 B CN108950216 B CN 108950216B
Authority
CN
China
Prior art keywords
chamber
spring
aluminum
plate
combustion chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810920197.9A
Other languages
Chinese (zh)
Other versions
CN108950216A (en
Inventor
王康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Tuotai Aluminum Co ltd
Original Assignee
Zhejiang Tuotai Aluminum Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Tuotai Aluminum Co ltd filed Critical Zhejiang Tuotai Aluminum Co ltd
Priority to CN201810920197.9A priority Critical patent/CN108950216B/en
Publication of CN108950216A publication Critical patent/CN108950216A/en
Application granted granted Critical
Publication of CN108950216B publication Critical patent/CN108950216B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/001Dry processes
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00Obtaining aluminium
    • C22B21/0084Obtaining aluminium melting and handling molten aluminium
    • C22B21/0092Remelting scrap, skimmings or any secondary source aluminium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23KFEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00Crucible or pot furnaces
    • F27B14/08Details peculiar to crucible or pot furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27MINDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2001/00Composition, conformation or state of the charge
    • F27M2001/01Charges containing mainly non-ferrous metals
    • F27M2001/012Aluminium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27MINDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00Type of treatment of the charge
    • F27M2003/13Smelting
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

The invention relates to the field of metal recovery, in particular to a method for recycling aluminum scrap. During the operation, biomass fuel adds the combustion chamber from the feeding hopper, produces the aluminium scrap melting that high temperature will melt the aluminium room through the burning, and the residue falls into the collection room after biomass fuel burning simultaneously, utilizes the residue residual temperature to carry out the carbomorphism to biomass material in the carbomorphism room, and the living beings after the carbomorphism become fuel can supply with the combustion chamber and use, and biomass material after the carbomorphism can be more abundant burning, reaches energy utilization's maximize. The vibration is utilized to ensure that the fuel is uniformly distributed and fully combusted when being combusted, the biomass fuel is utilized to maximize the energy utilization, and simultaneously, the residue temperature is utilized to carbonize the straw, the corn cob and other substances, so that the utilization rate of the biomass material is improved, and the energy consumption is reduced; stirring has guaranteed that aluminium scrap is heated evenly when melting aluminium, has promoted and has melted aluminium efficiency.

Description

Method for recycling waste aluminum
Technical Field
The invention relates to the field of metal recovery, in particular to a method for recycling aluminum scraps.
Background
In order to improve the recovery utilization rate, the residual aluminum scraps produced in the processing of aluminum profile manufacturers are recovered and uniformly sent to a manufacturer for processing aluminum bars by the aluminum scraps to be smelted and recast. In the whole process of recovering and processing aluminum bars by using waste aluminum, three working procedures exist: firstly, recovering waste aluminum; secondly, smelting; thirdly, recasting. The second procedure requires the feeding of scrap aluminum into the smelting furnace for smelting, which is also divided into two steps: 1. feeding; 2. and (4) smelting. The traditional method is as follows: feeding is carried out from a feeding port on the side surface of the smelting furnace, hot gas in the smelting furnace can escape during feeding, and a large amount of heat energy is wasted; a lot of impurities exist in hot gas generated during smelting, and the impurities are rich in combustible substances, are generally extracted through a fan cover and are discharged, so that the environment is polluted and energy is wasted.
There are some technical schemes about aluminium scrap smelting among the prior art, like a patent of application number CN104165520A discloses an aluminium scrap smelting furnace, including the furnace body, be provided with combustion chamber and waste heat gasification chamber in the furnace body, wherein the combustion chamber arranges the left lower part in the furnace body, waste heat gasification chamber arranges the right part in the furnace body, be provided with longitudinal partition wall between combustion chamber and the waste heat gasification chamber, be provided with the balanced hole of hot pressure on the longitudinal partition wall, the combustion chamber communicates with the bottom of waste heat gasification chamber, a blast pipe is connected to a cyclone of furnace body left side to the left wall on waste heat gasification chamber upper portion, the feed opening of cyclone's bottom communicates the top of combustion chamber.
The scheme can not enable the fuel to be fully combusted, uses the fuel which is not environment-friendly fuel, and can not ensure that the aluminum scrap is fully heated in the smelting process.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a method for recycling aluminum scrap, which uses a smelting furnace and solves the problems that fuel cannot be fully combusted, fuel is not environment-friendly, and the aluminum scrap cannot be fully heated in smelting.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for recycling waste aluminum comprises the following steps:
s1: recovering the waste aluminum;
s2: smelting the aluminum scrap recovered in the step S1 in a smelting furnace;
s3: recasting the aluminum smelted in the step S2;
the smelting furnace of S2 comprises a combustion chamber, a feeding hopper, a smoke collecting chamber, an aluminum melting chamber, a collecting chamber and a carbonization chamber; the two feeding hoppers are arranged on the outer walls of the two sides of the combustion chamber and used for adding straws and corn cobs; the combustion chamber is arranged outside the aluminum melting chamber and used for combusting biomass fuel, and the smoke collection chamber is arranged above the combustion chamber; the aluminum melting chamber is arranged on the inner side of the combustion chamber and is used for melting aluminum scrap; the top of the smoke collection chamber is provided with an opening, so that smoke can be discharged conveniently; the collecting chamber is arranged below the combustion chamber, is communicated with the combustion chamber and is used for collecting waste residues after combustion, and the outer side of the collecting chamber is a carbonization chamber; the carbonization chamber is positioned outside the collection chamber and below the fuel chamber and is used for carbonizing the straws and the corn cobs. During the operation, biomass fuel adds the combustion chamber from the feeding hopper, produces the aluminium scrap melting that high temperature will melt the aluminium room through the burning, and the residue falls into the collection room after biomass fuel burning simultaneously, utilizes the residue residual temperature to carry out the carbomorphism to biomass material in the carbomorphism room, and the living beings after the carbomorphism become fuel can supply with the combustion chamber and use, and biomass material after the carbomorphism can be more abundant burning, reaches energy utilization's maximize.
Preferably, the combustion chamber comprises a shell, an igniter, a material conveying plate, a first spring, a discharging mechanism, a vibrating mechanism, a supporting block and a connecting shaft; one side of each material conveying plate is installed on the inner wall of the shell and the outer wall of the aluminum melting chamber in a staggered mode, the connecting ends of the material conveying plates are movably connected, and adjacent material conveying plates are connected through a first spring; the vibration mechanism is arranged on the inner wall of the left side of the shell and the inner wall of the bottom of the shell; the discharging mechanism is arranged on the inner wall of the bottom of the shell and is positioned on the right side of the vibrating mechanism; the middle of the connecting shaft is connected with a supporting block, the left side of the connecting shaft is connected with a vibrating mechanism, and the right side of the connecting shaft is connected with a discharging mechanism, so that the linkage of the discharging mechanism and the vibrating mechanism is realized. During the operation, fuel gets into the fuel room and falls into on the fortune flitch, some firearm light fuel, because the fortune flitch is swing joint and uses a spring coupling between two liang, fuel falls on the fortune flitch and produces the vibration, can spread the better even of fuel, the burning is more abundant, the vibration drives the fuel whereabouts step by step simultaneously, residue after the burning falls and unloads to the collecting chamber on shedding mechanism, simultaneously shedding mechanism is owing to there is the residue to fall into and produces the vibration, thereby this vibration drives the vibration mechanism vibration and conveys to the fortune flitch, guarantee when no material adds, the fortune flitch still keeps the vibration, discharge surplus fuel and residue.
Preferably, the aluminum melting chamber comprises a furnace body, a blanking plate, a second spring, a fixed plate, a cylinder, a compression shaft and a stirring rod; one side of the blanking plate is movably connected with the upper part of the inner wall of the furnace body, the middle of the blanking plate is movably connected with a compression shaft, and the right end of the blanking plate is connected with a second spring; one end of the second spring is connected with the blanking plate, and the other end of the second spring is connected with the fixing plate; the compression shaft penetrates through the fixing plate and is connected with the air cylinder; the cylinder is fixed below the fixing plate; the stirring rod is arranged on the cylinder and used for stirring molten aluminum in the furnace body so as to ensure that the molten aluminum is heated uniformly. When the feeding of the aluminum scrap strikes the blanking plate, the blanking plate vibrates to drive the compression shaft to compress the cylinder, so that the stirring rod vibrates up and down to stir the aluminum scrap and the molten aluminum to be uniformly heated, and after the blanking is stopped, compressed gas generated by the vibration of the discharging mechanism of the combustion chamber is transferred into the cylinder to keep the aluminum scrap vibrating for a long time.
Preferably, the smoke-collecting chamber comprises an outer shell and an inner shell; the housing is in contact with the outside air; the inner shell is made of heat collection materials, can absorb heat in smoke and is used for preheating waste aluminum. The flue gas is discharged along the smoke collecting chamber, the heat carried is absorbed by the inner shell, and when the waste aluminum is added, the waste aluminum is preheated preferentially.
Preferably, the discharging mechanism comprises a discharging plate, a long shaft, a first piston cavity, a first piston rod, a fourth spring and a third spring; the left side of the stripper plate is movably connected with the long shaft, the middle of the stripper plate is fixedly provided with a first piston rod, the right side of the stripper plate is connected with a spring, and the stripper plate is obliquely arranged rightwards and is used for facilitating unloading; the long shaft is connected with the left side of the stripper plate at one end, is connected with the right side of the connecting shaft at the other end, and is provided with a fourth spring below the intersection point of the long shaft and the connecting shaft. When the residue falls on the stripper plate, an extrusion force is generated, the first piston rod is compressed to generate compressed gas for the cylinder of the aluminum melting chamber, and meanwhile, the stripper plate is pressed down to drive the long shaft to move up and down, so that the connecting shaft is driven to move up and down to supply vibration energy of the vibration mechanism.
Preferably, the vibration mechanism comprises a second piston cavity, a second piston rod, a fifth spring, a sixth spring and a movable piston rod; one end of the movable piston rod is connected with the long shaft; one end of the sixth spring is connected with the material conveying plate, and the other end of the sixth spring is connected with the second piston rod, so that the compression vibration effect is achieved. The connecting shaft is driven by the discharging mechanism to move up and down to drive the movable piston rod to compress, so that the second piston rod stretches and retracts to drive the material conveying plate to vibrate.
Therefore, the invention has the following beneficial effects:
1. according to the biomass fuel feeding device, the material conveying plates are movably connected and are connected with one another by the springs, fuel falls on the material conveying plates to generate vibration, the fuel can be well and uniformly spread, the combustion is more sufficient, the vibration drives the fuel to fall step by step, residues after the combustion fall on the discharging mechanism and are discharged to the collecting chamber, the discharging mechanism vibrates due to the residues falling, the vibration drives the vibration mechanism to vibrate so as to transmit the residues to the material conveying plates, the material conveying plates are guaranteed to keep vibrating when no material is added, the residual fuel and the residues are discharged, and the combustion efficiency of the biomass fuel is improved;
2. according to the biomass material carbonization device, the residues fall into the collection chamber after the biomass fuel is combusted, the biomass material in the carbonization chamber is carbonized by using the residual temperature of the residues, the carbonized biomass is changed into the fuel and can be supplied to the combustion chamber for use, the carbonized biomass material can be more fully combusted, and the maximization of energy utilization is achieved;
3. when the waste aluminum is added, the waste aluminum can impact the blanking plate, the blanking plate vibrates to drive the compression shaft to compress the cylinder, so that the stirring rod vibrates up and down to stir the waste aluminum and the molten aluminum to be uniformly heated, after blanking is stopped, compressed gas generated by vibration of the discharging mechanism of the combustion chamber can be transmitted into the cylinder to keep long-term vibration, the waste aluminum is uniformly heated in the heating and melting process, and the melting efficiency is improved.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a partial enlarged view of I in fig. 2.
In the figure: the device comprises a combustion chamber 1, a feeding hopper 2, a smoke collecting chamber 3, an aluminum melting chamber 4, a collecting chamber 5, a carbonization chamber 6, a shell 11, an igniter 12, a material conveying plate 13, a first spring 14, a discharging mechanism 15, a vibrating mechanism 16, a supporting block 17, a connecting shaft 18, a furnace body 41, a discharging plate 42, a second spring 43, a fixing plate 44, a cylinder 45, a compression shaft 46, a stirring rod 47, an outer shell 31, an inner shell 32, a discharging plate 151, a long shaft 152, a first piston cavity 153, a first piston rod 154, a fourth spring 155, a third spring 156, a second piston cavity 161, a second piston rod 162, a fifth spring 163, a sixth spring 164 and a movable piston rod 165.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present invention relates to a method for recycling aluminum scrap, which comprises the following steps:
s1: recovering the waste aluminum;
s2: smelting the aluminum scrap recovered in the step S1 in a smelting furnace;
s3: recasting the aluminum smelted in the step S2;
the smelting furnace S2 comprises a combustion chamber 1, a feeding hopper 2, a smoke collecting chamber 3, an aluminum melting chamber 4, a collecting chamber 5 and a carbonization chamber 6; the two feeding hoppers 2 are arranged on the outer walls of the two sides of the combustion chamber 1 and used for adding straws and corn cobs; the combustion chamber 1 is arranged outside the aluminum melting chamber 4 and used for combusting biomass fuel, and the smoke collection chamber 3 is arranged above the combustion chamber 1; the aluminum melting chamber 4 is arranged on the inner side of the combustion chamber 1 and is used for melting aluminum scrap; the top of the smoke collecting chamber 3 is provided with an opening, so that smoke can be discharged conveniently; the collecting chamber 5 is arranged below the combustion chamber 1, is communicated with the combustion chamber 1 and is used for collecting waste residues after combustion, and the outer side of the collecting chamber 5 is provided with a carbonization chamber 6; the carbonization chamber 6 is positioned outside the collection chamber 5 and below the fuel chamber and is used for carbonizing the straws and the corn cobs. During the operation, biomass fuel adds combustion chamber 1 from feeding hopper 2, produces high temperature through the burning and will melt the aluminium scrap melting of aluminium melting chamber 4, and the residue falls into collection chamber 5 after biomass fuel burns simultaneously, utilizes residue residual temperature to carry out the carbomorphism to biomass material in carbomorphism chamber 6, and the living beings after the carbomorphism become fuel can supply with combustion chamber 1 and use, and biomass material after the carbomorphism can be more abundant burning, reaches energy utilization's maximize.
The invention is taken as an implementation mode, the combustion chamber 1 comprises a shell 11, an igniter 12, a material conveying plate 13, a first spring 14, a discharging mechanism 15, a vibrating mechanism 16, a supporting block 17 and a connecting shaft 18; one side of each material conveying plate 13 is installed on the inner wall of the shell 11 and the outer wall of the aluminum melting chamber 4 in a staggered mode, the connecting ends of the material conveying plates 13 are movably connected, and adjacent material conveying plates 13 are connected through a first spring 14; the vibration mechanism 16 is arranged on the inner wall of the left side of the shell 11 and the inner wall of the bottom of the shell 11; the discharging mechanism 15 is arranged on the inner wall of the bottom of the shell 11, and the discharging mechanism 15 is positioned on the right side of the vibrating mechanism 16; the middle of the connecting shaft 18 is connected with a supporting block 17, the left side of the connecting shaft 18 is connected with a vibrating mechanism 16, and the right side of the connecting shaft 18 is connected with a discharging mechanism 15, so that the linkage of the discharging mechanism 15 and the vibrating mechanism 16 is realized. During the operation, fuel gets into the fuel room and falls into on fortune flitch 13, some firearm 12 lights the fuel, because fortune flitch 13 is swing joint and connects with spring 14 between two liang, the fuel falls on fortune flitch 13 and produces the vibration, can spread the better even of fuel, the burning is more abundant, the vibration drives the fuel and falls down step by step simultaneously, residue after the burning falls on shedding mechanism 15 and unloads to collecting chamber 5, shedding mechanism 15 is owing to there is the residue to fall into and produces the vibration simultaneously, thereby this vibration drives vibration mechanism 16 vibration and conveys to fortune flitch 13, guarantee when no material adds, fortune flitch 13 still keeps vibrating, discharge surplus fuel and residue.
The aluminum melting chamber 4 comprises a furnace body 41, a blanking plate 42, a second spring 43, a fixed plate 44, a cylinder 45, a compression shaft 46 and a stirring rod 47; one side of the blanking plate 42 is movably connected with the upper part of the inner wall of the furnace body 41, the middle of the blanking plate 42 is movably connected with a compression shaft 46, and the right end of the blanking plate 42 is connected with a second spring 43; one end of the second spring 43 is connected with the blanking plate 42, and the other end is connected with the fixing plate 44; the compression shaft 46 passes through the fixing plate 44 and is connected with the cylinder 45; the cylinder 45 is fixed below the fixing plate 44; the stirring rod 47 is arranged on the cylinder 45 and is used for stirring the molten aluminum in the furnace body 41 so as to heat the molten aluminum uniformly. When the feeding of the aluminum scrap impacts the blanking plate 42, the blanking plate 42 vibrates to drive the compression shaft 46 to compress the cylinder 45, so that the stirring rod 47 vibrates up and down to stir the aluminum scrap and the molten aluminum to be heated uniformly, and after the blanking is stopped, the compressed gas generated by the vibration of the discharging mechanism 15 of the combustion chamber 1 is transmitted into the cylinder 45 to keep the long-term vibration.
In one embodiment of the present invention, the smoke collecting chamber 3 comprises an outer shell 31 and an inner shell 32; the housing 31 is in contact with the outside air; the inner shell 32 is made of heat collecting material, can absorb heat in the flue gas, and is used for preheating the waste aluminum. The flue gas is discharged along smoke collecting chamber 3, and the heat of bringing is absorbed by inner shell 32, when aluminium scrap adds, preheats it preferentially.
As an embodiment of the present invention, the discharging mechanism 15 includes a discharging plate 151, a long shaft 152, a first piston cavity 153, a first piston rod 154, a fourth spring 155, and a third spring 156; the left side of the discharging plate 151 is movably connected with a long shaft 152, a first piston rod 154 is fixed in the middle of the discharging plate, a spring is connected to the right side of the discharging plate 151, and the discharging plate 151 is obliquely arranged rightwards and used for facilitating discharging; one end of the long shaft 152 is connected with the left side of the discharging plate 151, the other end of the long shaft 152 is connected with the right side of the connecting shaft 18, and a fourth spring 155 is arranged below the intersection point of the long shaft 152 and the connecting shaft 18. When the residue falls on the discharging plate 151, an extrusion force is generated, the first piston rod 154 is compressed to generate compressed gas for the cylinder 45 of the aluminum melting chamber 4, and simultaneously, the discharging plate 151 is pressed downwards to drive the long shaft 152 to move up and down, thereby driving the connecting shaft 18 to move up and down and supplying vibration energy for the vibration mechanism 16.
As an embodiment of the present invention, the vibration mechanism 16 includes a second piston cavity 161, a second piston rod 162, a fifth spring 163, a sixth spring 164, and a movable piston rod 165; one end of the movable piston rod 165 is connected with the long shaft 152; one end of the sixth spring 164 is connected with the material conveying plate 13, and the other end of the sixth spring is connected with the second piston rod 162, so that the compression vibration effect is achieved. The connecting shaft 18 moves up and down under the driving of the discharging mechanism 15, and drives the movable piston rod 165 to compress, so that the second piston rod 162 extends and retracts, and the function of driving the material conveying plate 13 to vibrate is achieved.
When the biomass fuel is operated, the biomass fuel is added into the combustion chamber 1 from the feeding hopper 2, the fuel enters the fuel chamber and falls onto the material conveying plate 13, the igniter 12 ignites the fuel, the material conveying plate 13 is movably connected and is connected with each other by the first spring 14, the fuel falls onto the material conveying plate 13 to generate vibration, the fuel can be better and uniformly spread, the combustion is more sufficient, the vibration drives the fuel to fall step by step, the combusted residues fall onto the discharging mechanism 15 and are discharged to the collecting chamber 5, when the residues fall onto the discharging plate 151, extrusion force is generated, the first piston rod 154 is compressed to generate compressed gas for the cylinder 45 of the aluminum melting chamber 4, the discharging plate 151 is pressed downwards to drive the long shaft 152 to move upwards and downwards, so as to drive the connecting shaft 18 to move upwards and downwards, the movable piston rod 165 is driven to compress, so that the second piston rod 162 stretches out and draws back, thereby achieving the function of driving the material conveying, when no material is added, the material conveying plate 13 still keeps vibrating, and residual fuel and residues are discharged. Waste aluminum is added into the aluminum melting chamber 4 and can impact the blanking plate 42, the blanking plate 42 vibrates to drive the compression shaft 46 to compress the cylinder 45, so that the stirring rod 47 vibrates up and down to stir the waste aluminum and the molten aluminum to be heated uniformly, after blanking is stopped, compressed gas generated by vibration of the discharging mechanism 15 of the combustion chamber 1 can be transmitted into the cylinder 45 to keep long-term vibration, high temperature is generated by combustion to melt the waste aluminum in the aluminum melting chamber 4, meanwhile, residues after biomass fuel is combusted fall into the collecting chamber 5, biomass materials in the carbonization chamber 6 are carbonized by using the residual temperature, the carbonized biomass is changed into fuel and can be supplied to the combustion chamber 1 for use, the carbonized biomass materials can be combusted more fully, and the maximization of energy utilization is achieved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A method for recycling waste aluminum is characterized by comprising the following steps: the method comprises the following steps:
s1: recovering the waste aluminum;
s2: smelting the aluminum scrap recovered in the step S1 in a smelting furnace;
s3: recasting the aluminum smelted in the step S2;
the smelting furnace S2 comprises a combustion chamber (1), a feeding hopper (2), a smoke collecting chamber (3), an aluminum melting chamber (4), a collecting chamber (5) and a carbonization chamber (6); the two feeding hoppers (2) are arranged on the outer walls of the two sides of the combustion chamber (1) and are used for adding straws and corn cobs; the combustion chamber (1) is arranged at the outer side of the aluminum melting chamber (4) and used for combusting biomass fuel, and the smoke collection chamber (3) is arranged above the combustion chamber (1); the aluminum melting chamber (4) is arranged on the inner side of the combustion chamber (1) and is used for melting aluminum scrap; the top of the smoke collection chamber (3) is provided with an opening, so that smoke can be discharged conveniently; the collecting chamber (5) is arranged below the combustion chamber (1), is communicated with the combustion chamber (1) and is used for collecting waste residues after combustion, and the outer side of the collecting chamber (5) is provided with a carbonization chamber (6); the carbonization chamber (6) is positioned outside the collection chamber (5) and below the fuel chamber and is used for carbonizing the straws and the corn cobs;
the combustion chamber (1) comprises a shell (11), an igniter (12), a material conveying plate (13), a first spring (14), a discharging mechanism (15), a vibrating mechanism (16), a supporting block (17) and a connecting shaft (18); one side of each material conveying plate (13) is installed on the inner wall of the shell (11) and the outer wall of the aluminum melting chamber (4) in a staggered mode, the connecting ends of the material conveying plates (13) are movably connected, and adjacent material conveying plates (13) are connected through a first spring (14); the vibration mechanism (16) is arranged on the inner wall of the left side of the shell (11) and the inner wall of the bottom of the shell (11); the discharging mechanism (15) is arranged on the inner wall of the bottom of the shell (11), and the discharging mechanism (15) is positioned on the right side of the vibrating mechanism (16); the middle of the connecting shaft (18) is connected with a supporting block (17), the left side of the connecting shaft (18) is connected with a vibrating mechanism (16), and the right side of the connecting shaft is connected with a discharging mechanism (15), so that the linkage of the discharging mechanism (15) and the vibrating mechanism (16) is realized.
2. The method for recycling aluminum scrap according to claim 1, wherein: the aluminum melting chamber (4) comprises a furnace body (41), a blanking plate (42), a second spring (43), a fixing plate (44), a cylinder (45), a compression shaft (46) and a stirring rod (47); one side of the blanking plate (42) is movably connected with the upper part of the inner wall of the furnace body (41), the middle of the blanking plate (42) is movably connected with a compression shaft (46), and the right end of the blanking plate (42) is connected with a second spring (43); one end of the second spring (43) is connected with the blanking plate (42), and the other end of the second spring is connected with the fixing plate (44); the compression shaft (46) penetrates through the fixing plate (44) and is connected with the air cylinder (45); the air cylinder (45) is fixed below the fixing plate (44); the stirring rod (47) is arranged on the cylinder (45) and is used for stirring the molten aluminum in the furnace body (41) to ensure that the molten aluminum is heated uniformly.
3. The method for recycling aluminum scrap according to claim 1, wherein: the smoke collection chamber (3) comprises an outer shell (31) and an inner shell (32); the housing (31) is in contact with the outside air; the inner shell (32) is made of heat collecting materials, can absorb heat in smoke and is used for preheating waste aluminum.
4. The method for recycling aluminum scrap according to claim 1, wherein: the discharging mechanism (15) comprises a discharging plate (151), a long shaft (152), a first piston cavity (153), a first piston rod (154), a fourth spring (155) and a third spring (156); the left side of the discharging plate (151) is movably connected with a long shaft (152), a first piston rod (154) is fixed in the middle of the discharging plate, a spring is connected to the right side of the discharging plate, and the discharging plate (151) is installed in a rightward inclined mode and used for facilitating discharging; one end of the long shaft (152) is connected with the left side of the discharging plate (151), the other end of the long shaft is connected with the right side of the connecting shaft (18), and a fourth spring (155) is arranged below the intersection point of the long shaft (152) and the connecting shaft (18).
5. The method for recycling aluminum scrap according to claim 1, wherein: the vibration mechanism (16) comprises a second piston cavity (161), a second piston rod (162), a fifth spring (163), a sixth spring (164) and a movable piston rod (165); one end of the movable piston rod (165) is connected with the long shaft (152); and one end of the six-spring (164) is connected with the material conveying plate (13), and the other end of the six-spring is connected with the second piston rod (162), so that the effect of compression vibration is achieved.
CN201810920197.9A 2018-08-14 2018-08-14 Method for recycling waste aluminum Active CN108950216B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810920197.9A CN108950216B (en) 2018-08-14 2018-08-14 Method for recycling waste aluminum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810920197.9A CN108950216B (en) 2018-08-14 2018-08-14 Method for recycling waste aluminum

Publications (2)

Publication Number Publication Date
CN108950216A CN108950216A (en) 2018-12-07
CN108950216B true CN108950216B (en) 2020-07-10

Family

ID=64469093

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810920197.9A Active CN108950216B (en) 2018-08-14 2018-08-14 Method for recycling waste aluminum

Country Status (1)

Country Link
CN (1) CN108950216B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103242869B (en) * 2013-05-09 2015-03-04 南京师范大学 Device and method for pyrolyzing and carbonizing biomass at low temperature by utilizing boiler flue gas
CN103900112B (en) * 2014-03-13 2016-08-17 王宏丁 The solid particle fuel cooking stove of multifunctional efficient
CN103994658B (en) * 2014-05-15 2016-03-16 宁海易龙新能源有限公司 Biomass fuel melts aluminium stove
CN104165520B (en) * 2014-08-01 2015-11-18 江阴迪新金属工业有限公司 Waste aluminum smelting furnace
CN107120656B (en) * 2017-05-09 2020-12-22 无锡爱普特设备科技有限公司 Melting furnace for indirect thermal cracking and ash combustion and treatment method thereof
CN108003959A (en) * 2017-12-05 2018-05-08 北京科技大学 The biomass carbonated method instead of in breeze blowing blast furnace

Also Published As

Publication number Publication date
CN108950216A (en) 2018-12-07

Similar Documents

Publication Publication Date Title
CN102818254B (en) Slag treatment system and method of biomass boiler
CN108981385B (en) Biomass furnace for aluminum smelting
CN109455958A (en) Fine calcium oxide preparation method
CN206269118U (en) Biological particles combustion apparatus
CN203704031U (en) Full-automatic semi-gasification biomass fuel heating stove
CN108950216B (en) Method for recycling waste aluminum
CN201362687Y (en) Straw carbonization device
CN101284715A (en) Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns
CN110631052A (en) Energy-saving and environment-friendly boiler and operation method thereof
CN108913212B (en) Coal chemical gasification furnace
CN209819525U (en) Double-screw biomass burner capable of automatically removing coke
CN209763046U (en) Spiral coke pushing ash removing biomass stove
CN111578261A (en) Bottom material laying chain-row type hot blast stove and operation method thereof
JP5811501B2 (en) Waste melting treatment method
CN108913211B (en) Coal gas preparation process
CN209991445U (en) Novel biomass boiler
CN210717560U (en) Novel vertical pyrolysis gasification incinerator
CN109611859A (en) A kind of waste incinerator
CN217900499U (en) Automatic coal feeding device for cement clinker sintering
CN205746921U (en) A kind of for chain grate furnace coke tailings processing equipment
CN101391428A (en) Multi-head rod making method and used energy-saving environmental protection rod making device
CN209726166U (en) A kind of gazogene
CN210825896U (en) Pyrolysis sludge treatment system
CN211399846U (en) Boiler convenient to feeding
CN210635933U (en) Internal heating type rotary carbonization furnace for producing activated coke

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20200525

Address after: 321307 Gushan Town Gushan four village industrial zone, Yongkang City, Jinhua City, Zhejiang Province (Building 4, Zhejiang Hengtai Aluminum Co., Ltd.)

Applicant after: Zhejiang Tuotai Aluminum Co., Ltd

Address before: 233030 Bengbu College, 801 Shengli East Road, Bengbu City, Anhui Province

Applicant before: Wang Kang

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant