WO2016129877A1 - 연속열처리 방식 폐전지 처리장치 및 이를 이용한 리튬계전지로부터 유가금속의 회수방법 - Google Patents
연속열처리 방식 폐전지 처리장치 및 이를 이용한 리튬계전지로부터 유가금속의 회수방법 Download PDFInfo
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- WO2016129877A1 WO2016129877A1 PCT/KR2016/001266 KR2016001266W WO2016129877A1 WO 2016129877 A1 WO2016129877 A1 WO 2016129877A1 KR 2016001266 W KR2016001266 W KR 2016001266W WO 2016129877 A1 WO2016129877 A1 WO 2016129877A1
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- heat treatment
- reactor
- waste
- space
- battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working 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
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4242—Regeneration of electrolyte or reactants
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/52—Removing gases inside the secondary cell, e.g. by absorption
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Definitions
- the present invention relates to a treatment apparatus for recovering metal from a waste battery and a method thereof, and more particularly, to a continuous heat treatment in which a pretreatment process for recovering metal from a waste battery is continuously heat treated in a reaction tank using vacuum and an inert gas.
- used batteries are the primary batteries used for powering various electronic devices such as remote controllers, calculators, walkie-talkies, electronic clocks, cassettes, toys, and rechargeable batteries such as mobile phones, laptops, and car batteries. Refers to waste.
- waste batteries contain valuable metals such as silver, cobalt, nickel, zinc, manganese, lithium, and copper, and thus, technology development for recovering valuable metals from waste batteries is required to efficiently recycle finite resources.
- waste batteries such as lead, cadmium, and mercury, as well as KOH, NH 4 Cl, lithium salts, and H 2 SO 4 are used as electrolytes, it is necessary to develop recycling technologies in consideration of environmental impact.
- Previously developed waste battery recycling techniques are to classify the collected waste batteries by each battery, for example, primary and secondary batteries, to crush the sorted waste batteries, to classify the waste into sieves, and to recover them.
- the process of sorting metals and residues consists of a pretreatment process.
- the present invention is to solve the problems of the prior art as described above, an object of the present invention is to continuously process the pre-treatment process by introducing a waste battery in the reaction tank.
- Another object of the present invention is to reduce the risk of explosion in the reactor during the heat treatment process.
- Still another object of the present invention is to easily discharge the treated materials after the heat treatment to the outside of the reaction tank, and to easily introduce the processed materials into the reaction tank.
- vacuum forming means for forming the space in a vacuum state.
- the reaction tank is further provided with a gas inlet connected to the processing space of the reaction tank to inert gas into the processing space from the outside.
- the vacuum forming means is provided with a rotary pump to selectively form the interior of the processing space of the reactor in a vacuum state.
- the reaction tank is provided with a gas outlet to discharge the harmful gas and dust generated in the processing space of the reaction tank to the outside.
- a connection pipe is provided between the gas outlet and the inlet to prevent harmful gas and dust inside the treatment space from being discharged to the outside through the inlet.
- An upper end of the inlet is inclinedly extended in the direction of the reactor and an inlet is formed at the upper end of the inlet.
- An accommodating device for storing a waste battery to be processed is selectively inserted into the reactor, a lower part of the accommodating device is provided with a moving device, and the frame and the reaction tank are opened to one side, and the accommodating device is opened in the reactor. Through one side is inserted into or separated from the processing space of the reactor.
- the accommodating device is provided with a shielding plate, and when the accommodating device is located in the processing space of the reactor, the open side of the processing space is shielded.
- the accommodating device includes a lower frame provided with a moving device, an upper frame extending upward from the lower frame, and a basket formed in the upper frame and having an accommodating space therein for storing an object. .
- the basket is configured to be detachable from the upper frame, and the basket is provided with a hook portion which is selectively hooked by a hoist so that the basket is liftable by the hoist.
- the moving device is composed of a wheel or a moving rail.
- the present invention provides a method for recovering valuable metals from a lithium-based battery by a continuous heat treatment process using a continuous lead treatment type waste battery treatment including a frame, a reaction tank, a vacuum forming means, and an inlet.
- the heat treatment step of opening the gas blocking door of the inlet opening and heat treatment by inserting the waste battery to be treated, and the waste battery input step A closing step of closing the gas blocking door to prevent harmful gas or dust inside the reactor from being discharged to the outside, and a gas discharge step of releasing harmful gas and dust generated during heat treatment through the gas discharge port, and the gas
- a step of injecting an inert gas into the processing space of the reactor through a gas inlet is further included.
- the receiving apparatus inserting step of moving the receiving apparatus to insert into the processing space of the reactor further includes.
- a reaction tank separation step of separating the accommodating device from the processing space of the reaction tank and discharging it to the outside prior to the collection step is further included.
- the step of injecting an inert gas into the processing space of the reactor through the gas inlet in order to prevent the explosion in the reactor further includes.
- the treatment apparatus according to the present invention allows the waste battery to be introduced into the reactor even during the heat treatment operation in the reaction vessel, the amount of pretreatment in the waste battery treatment apparatus can be greatly increased, thereby increasing the amount of valuable metal. There is an effect that can be obtained from a waste battery more quickly.
- the inside of the reaction vessel is formed in a vacuum state and inert gas is injected to prevent the waste battery from exploding during heat treatment, thereby improving work stability. It also has the effect of improving the durability of the ground treatment device.
- the receiving apparatus is provided to be movable to the side of the treatment apparatus. After heat treatment, the waste battery can be discharged to the outside, thereby improving workability and improving productivity.
- the harmful gas and dust generated inside the reactor is also blocked from being discharged to the outside of the reactor through the inlet, thereby improving the environment-friendly working process This has the effect of being possible.
- FIG. 1 is a cross-sectional view showing the configuration of a preferred embodiment of a waste heat treatment apparatus for continuous heat treatment method according to the present invention.
- FIG. 2 is a plan view showing an upper surface of the processing apparatus shown in FIG.
- Figure 3 and Figure 4 is an operating state diagram showing the appearance of the reaction tank from the sequential heat treatment method waste battery processing apparatus according to the present invention in sequence.
- FIG. 5 is a flowchart according to an embodiment of the recovery method of valuable metals of the present invention.
- the frame 10 (see FIG. 4) constitutes an appearance and a skeleton thereof.
- the frame 10 is made of stainless steel to withstand the load inside and outside the processing apparatus, and particularly serves to stably protect the soundproofing material (not shown) inside.
- the frame 10 does not necessarily have to be made of stainless steel, but may generally be made of a metal material having the same or similar function.
- the frame 10 may have a frame body 12 having a substantially hexahedron shape as shown in FIGS. 1 and 2, and a moving unit 15 is provided at the bottom thereof.
- the moving means 15 may be a wheel or rail structure, in this embodiment is composed of a plurality of wheels.
- the reaction tank 30 is installed in the inner space of the frame 10.
- the reactor 30 is provided with an inlet on the side of the frame (10).
- the reactor 30 is formed in a square shape in this embodiment.
- the shape of the reaction vessel 30 may be made in various ways.
- the reactor 30 may also be made of stainless steel, and because it is required to have excellent explosion resistance, heat resistance and corrosion resistance, for example, it is made of SUS 3103S. This is because SUS 3103S contains a lot of Ni-Cr, which is excellent in resistance to high temperature oxidation and good high temperature strength.
- the reactor 30 has a heating element.
- the heating element is installed inside the reactor 30 itself or on the outer surface of the reactor 30 to generate heat.
- the heating element generates heat required for heat treatment in the reaction tank 30.
- a soundproof material may be installed in a space formed between the outer surface of the reactor 30 and the inner surface of the frame 10.
- the sound insulation material is for minimizing noise generated inside the reaction tank 30. What is necessary is just to use the said sound insulation material which can also play the role of a fireproof material.
- the sound insulation material may be located between the outer surface of the reaction vessel 30 and the inner surface of the frame 10, or may be placed between the bottom surface of the reaction vessel 30 and the bottom of the frame 10.
- An inlet 33 is installed in the upper housing 32 of the reaction tank 30.
- the inlet 33 is a part for injecting a waste battery that is a work object into the reaction vessel (30).
- the inlet 33 is installed through the upper housing 32.
- the inlet 33 extends in the vertical direction perpendicular to the upper housing 32 because it penetrates the upper housing 32 as a whole. However, a portion of the upper end of the inlet 33 extends inclined.
- the direction in which the upper end of the inlet 33 extends obliquely is the center direction of the reaction vessel 30 when the reaction vessel 30 is viewed in plan.
- the upper end of the inlet 33 is formed to facilitate the operation of injecting a waste battery into the inlet 33 from the outside of the frame 10 through an inlet formed at the tip of the inlet 33. to be.
- the inlet 33 is installed through the upper housing 32 in the present embodiment, it may be installed through the side of the reaction vessel (30).
- the gas blocking door 34 is installed inside the inlet of the inlet 33.
- the gas blocking door 34 prevents the environment inside and outside of the reaction vessel 30 from affecting each other, and particularly, the gas and dust generated during the heat treatment operation inside the reaction vessel 30 are waste batteries. It is to be prevented from being discharged to the outside during the operation.
- the gas blocking door 34 may have a structure in which the edge thereof may be in close contact with the inner surface of the inlet 33, and an elastic member may be installed on a rotating shaft that becomes a rotational center when opening and closing the gas blocking door 34. It is configured to automatically close when the force pushing the gas barrier door 34 is removed after pushing. In this way, the environment inside and outside the reaction tank 30 is prevented from affecting each other in the process of inputting the waste battery.
- the upper housing 32 is also provided with a gas outlet 37 in multiple places.
- the gas outlet 37 is to discharge harmful gas and dust generated during the heat treatment process.
- the gas outlet 37 is connected to a dust collector (not shown), so that the dust can be filtered by the dust collector.
- the dust is generally composed of a battery powder, the main component is a valuable metal powder.
- the harmful gas is moved to the scrubber and neutralized with NaOH solution flowing in the scrubber and discharged to the atmosphere.
- the gas outlet 37 does not necessarily need to be installed in the upper housing 32. For example, it may be installed through the side of the reaction tank (30).
- the clamp 38 has a structure capable of opening and closing, so that the interior of the reaction tank 30 is maintained in a vacuum state by the vacuum forming means 40 to be described below.
- a connection pipe 35 is provided between the gas outlet 37 and the inlet 33. Accordingly, the harmful gas and dust inside the processing space S1 through the inlet 33 are not discharged to the outside through the inlet 33, but are led to the gas outlet 37 through the connection pipe 35. Can be. That is, the harmful gas and dust may be prevented from being discharged through the inlet 33 in the process of inputting the waste battery through the inlet 33 as well as the heat treatment process through the connection pipe 35.
- the vacuum forming means 40 is connected to the processing space S1 of the reactor 30.
- the vacuum forming means 40 is connected to the processing space (S1) of the reaction vessel 30 serves to form the processing space (S1) in a vacuum state.
- oxygen in the processing space S1 can be removed as much as possible, and thus explosion potential in the waste battery processing process can be achieved. It can be minimized.
- the vacuum forming means 40 is provided with a rotary pump to selectively vacuum the inside of the processing space (S1) of the reaction tank 30, in this embodiment the rotary pump within 5 minutes, up to 10 -4 torr Vacuum control up to
- the vacuum forming means 40 is not necessarily limited to the rotary pump, and various configurations such as a mechanical vacuum pump, an injection pump, or a diffusion pump are possible.
- the reaction tank 30 is provided with a gas inlet 42 connected to the processing space S1 inside the reaction tank 30 to inject an inert gas from the outside into the processing space S1.
- gas inlets 42 are provided in the illustrated embodiment.
- the gas inlet 42 may be formed to have a different length extending into the reactor 30, which is an inert gas, for example nitrogen (N 2), injected through the gas inlet 42 into the reactor 30. This is to more uniformly distribute the inside of.
- the inert gas injected through the gas inlet 42 serves to minimize the explosion of the waste battery inside the reactor 30.
- the upper housing 32 of the reaction tank 30 is provided with a sensor 45.
- the sensor 45 is for measuring the temperature inside the reactor (30).
- the sensor 45 is installed to penetrate the center of the upper housing 32 to extend into the reactor 30.
- the sensor 45 may be a complex sensor that measures not only the temperature of the reaction vessel 30 but also various environmental conditions such as vacuum, pressure, and humidity.
- the storage device 50 enters and exits through the open side surface of the frame 10. A part of the accommodating device 50 is inserted into a processing space S1 of the reaction tank 30 to accommodate a waste battery as an object to be processed. As is separated to the outside of the waste battery processing apparatus, the collection of waste batteries can be made very easy.
- the object that has not yet been heat treated may be introduced into the processing space S1 of the reaction tank 30 in a state of being accommodated in the accommodation device 50.
- the storage device 50 includes a lower frame 51 having a moving device 55 and an upper frame extending upward from the lower frame 51 ( 53).
- the moving device 55 is composed of a wheel or a moving rail, so that the accommodation device 50 can be easily moved into or out of the processing space (S1) of the reaction tank (30).
- the moving device 55 is composed of wheels, but may also be configured as a moving rail structure that moves along a rail provided on the floor.
- a pedestal 56 is provided on the upper frame 53, and a basket 57 is seated on the pedestal 56.
- the basket 57 is a portion for substantially receiving a waste battery to be processed, and as shown in FIG. 3, a storage space S2 is formed in the basket 57.
- the upper frame 53 of the accommodating device 50 is provided with a shielding plate 59, the shielding plate 59 is inserted into the processing space (S1) of the reactor 30 when the accommodating device 50 is inserted It serves to shield the opened one side of the processing space (S1).
- the shielding plate 59 may be coupled to each other by fixing means such as bolts after being in close contact with the opening 39 formed at the inlet of the reaction vessel 30.
- a sealing member may be provided between the shielding plate 59 and the opening 39 to maintain the vacuum state of the processing space S1 more closely.
- the basket 57 is configured to be detachable from the pedestal 56, the basket 57 is provided with a hook portion 58 that is selectively walked by a hoist (not shown). Accordingly, the basket 57 can be easily lifted by the hook portion 58 is hooked to the hoist.
- the movement device 55 is provided in the accommodation device 50, the movement of the accommodation device 50 may be very easy.
- the interior of the processing space S1 of the reaction vessel 30 is formed in a vacuum state (S30), that is, by the vacuum forming means 40.
- the inside of the processing space (S1) of the reaction tank 30 is to be in a vacuum state, in this embodiment by using a rotary pump provided in the vacuum forming means 40, within 5 minutes, the vacuum control to a maximum of 10 -4 torr. Accordingly, oxygen may be removed from the inside of the processing space S1 and the explosive potential may be suppressed as much as possible in the heat treatment step.
- an inert gas is injected into the processing space S1 of the reaction tank 30 through the gas injection port 42.
- nitrogen (N2) is injected into the processing space (S1).
- the gas injection may be omitted in this step and may be made later in the heat treatment process, or injection of an inert gas may be further performed in the heat treatment process.
- a heat treatment of the reaction tank 30 is performed.
- the reaction tank 30 is shielded from the outside by the storage device 50 is inserted and sealed, thereby pretreating the waste battery. It is in a state.
- the heating element generates heat to make the temperature of the reaction tank 30 at about 470 to 550 ° C., and then, about 10 waste batteries per minute through the inlet 33.
- the heat treatment is performed during the input.
- the battery feed rate is preferably put the waste battery in the reactor 30 at 5 to 15 speeds per minute.
- the waste battery may be introduced into the processing space S1 using the storage device 50.
- the inlet 33 is shielded by the gas blocking door 34 to prevent the environment inside and outside the reaction vessel 30 from affecting each other.
- the gas blocking door 34 When the waste battery is put in for heat treatment, the gas blocking door 34 ) And open the battery for a while. After the waste battery is put in, the gas barrier door 34 is closed again by the elastic force of the elastic member to prevent harmful gas or dust from being discharged from the inside of the reaction tank 30 to the outside.
- the inlet is inclined toward the center of the reaction vessel 30 so that an operator can easily move the waste battery through the inlet 33 to the reaction vessel ( 30) can be injected into the interior.
- inert gas is injected into the reactor 30 through the gas inlet 42 to prevent an explosion from occurring inside, and a coolant is injected through the cooling water inlet. It prevents it from deteriorating.
- the accommodating device 50 is first separated from the reaction vessel 30. That is, since the accommodating device 50 is movable by the moving device 55, the accommodating device 50 itself is separated out of the reaction tank 30 after the heat treatment is completed.
- the basket 57 of the storage device 50 is exposed to the outside, and the heat-treated waste battery is stored in the storage space S2 of the basket 57.
- a hoist may be used for the removal of the basket 57.
- the hoist motor of the hoist is driven so that the traction ring is hooked to the hook portion 58 of the basket 57.
- the basket 57 is raised and the basket 57 can be moved.
- the waste battery which has undergone the continuous heat treatment as described above is collected in the storage device 50 (S70), transferred to the crusher, and subjected to crushing / crushing in the crusher (S80), and the battery components and the sieve (sieving) by the battery components and Valuable metal powder in the battery is separated and recovered (S90).
- the process may be continuously performed by starting again from the step S20 of inserting the storage device 50 into the reactor 30 in which the step S60 of collecting the waste batteries is completed.
- the present invention is not necessarily limited to these embodiments, although all of the components constituting the embodiments according to the present invention are described as being combined or operating in combination. In other words, within the scope of the present invention, all of the components may be selectively operated in combination with one or more.
- the terms “comprise”, “comprise” or “having” described above mean that the corresponding component may be inherent unless specifically stated otherwise, and thus excludes other components. It should be construed that it may further include other components instead. All terms, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art unless otherwise defined. Terms used generally, such as terms defined in a dictionary, should be interpreted to coincide with the contextual meaning of the related art, and shall not be interpreted in an ideal or excessively formal sense unless explicitly defined in the present invention.
- the accommodating device 50 is detachably accommodated in the reaction tank 30, the accommodating device 50 may be fixed to the reaction tank (30).
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
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- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Processing Of Solid Wastes (AREA)
- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Primary Cells (AREA)
Abstract
Description
Claims (15)
- 프레임과,상기 프레임의 내부공간에 위치되고 내부에 피처리물인 폐전지가 위치되는 처리공간이 형성된 반응조와,상기 처리공간과 외부를 선택적으로 연통시키도록 내부에 가스차단도어가 위치되고 상기 반응조의 처리공간으로 작업대상물을 투입하는 경로가 되는 투입구와,상기 반응조의 처리공간과 연결되어 상기 처리공간을 진공상태로 형성하는 진공형성수단을 포함하여 구성되는 연속열처리 방식 폐전지 처리장치.
- 제 1 항에 있어서, 상기 반응조에는 상기 반응조의 처리공간과 연결되어 외부로부터 상기 처리공간 내부로 불활성기체를 투입하는 가스주입구가 더 구비됨을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 제 1 항에 있어서, 상기 진공형성수단에는 로터리펌프가 구비되어 상기 반응조의 처리공간 내부를 선택적으로 진공상태로 형성함을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 제 1 항에 있어서, 상기 반응조에는 가스배출구가 구비되어 상기 반응조의 처리공간 내부에서 발생하는 유해가스와 더스트를 외부로 배출함을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 제 4 항에 있어서, 상기 가스배출구와 상기 투입구 사이에는 연결배관이 구비되어, 상기 투입구를 통해 상기 처리공간 내부의 유해가스와 더스트가 외부로 배출되는 것을 방지함을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 제 1 항에 있어서, 상기 투입구는 상기 반응조의 중심방향으로 경사지게 연장되고, 상기 투입구의 상단에 입구가 형성되는 연속열처리 방식 폐전지 처리장치.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서, 상기 반응조의 내부에는 피처리물인 폐전지를 수납한 수납장치가 선택적으로 삽입되고, 상기 수납장치의 하부에는 이동장치가 구비되며 상기 프레임 및 상기 반응조는 일측으로 개구되어, 상기 수납장치는 상기 반응조의 개구된 일측을 통해 상기 반응조의 처리공간에 삽입되거나 처리공간으로부터 분리됨을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 제 7 항에 있어서, 상기 수납장치에는 차폐플레이트가 구비되어, 상기 수납장치가 상기 반응조의 처리공간에 위치되면 상기 처리공간의 개구된 일측을 차폐함을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 제 8 항에 있어서, 상기 수납장치는이동장치가 구비된 하부프레임과,상기 하부프레임으로부터 상방으로 연장되는 상부프레임과,상기 상부프레임에 구비되고 내부에 피처리물을 보관할 수 있는 수납공간이 형성되는 바스켓을 포함하여 구성되는 연속열처리 방식 폐전지 처리장치.
- 제 9 항에 있어서, 상기 바스켓은 상기 상부프레임으로부터 분리가능하도록 구성되고, 상기 바스켓에는 호이스트에 의해 선택적으로 걸어지는 걸이부가 구비되어 상기 바스켓은 상기 호이스트에 의해 승강가능함을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 제 10 항에 있어서, 상기 이동장치는 바퀴 또는 이동레일로 구성됨을 특징으로 하는 연속열처리 방식 폐전지 처리장치.
- 프레임, 반응조, 진공형성수단, 투입구를 포함하는 연속연처리 방식 폐전지 처리를 이용하여 리튬계 전지로부터 연속 열처리 공정에 의한 유가금속의 회수방법에 있어서,진공형성수단을 이용하여 상기 반응조의 내부를 진공상태로 형성하는 진공형성단계와,상기 투입구의 가스차단도어를 개방하여 피처리물인 폐전지를 투입하여 열처리하는 열처리단계와,상기 폐전지 투입단계 후에, 반응조 내부의 유해가스나 더스트가 외부로 배출되는 것을 방지하기 위해 상기 가스차단도어를 폐쇄되는 폐쇄단계와,상기 가스배출구를 통하여 열처리 중 발생하는 유해가스 및 더스트를 방출하는 가스배출단계와,상기 가스배출단계의 방출된 더스트에 포함되어 있는 유가금속분말을 집진기를 거쳐 분리한 후 처리하는 가스처리단계와,상기 열처리단계를 통해 열처리된 폐전지를 상기 반응조로부터 수거하는 수거단계와,상기 수거된 폐전지를 파쇄 또는 분쇄한 후 상기 패쇄 또는 분쇄된 폐전지의 유가금속분말을 분리 및 회수하는 회수단계를 포함하여 구성되는 연속열처리 방식 폐전지 처리장치를 이용한 리튬계 전지로부터 유가금속의 회수방법.
- 제 12 항에 있어서, 상기 진공형성단계에 이어 상기 반응조 내부의 폭발을 방지하기 위하여 가스주입구를 통해 불활성 가스를 상기 반응조의 처리공간 내부로 주입하는 단계가 더 포함됨을 특징으로 하는 연속열처리 방식 폐전지 처리장치를 이용한 리튬계 전지로부터 유가금속의 회수방법.
- 제 12 항 또는 제 13 항에 있어서, 상기 열처리단계에 앞서 상기 반응조의 처리공간으로 입출되는 수납장치에 피처리물을 투입한 후에, 상기 수납장치를 이동시켜 상기 반응조의 처리공간으로 삽입시키는 수납장치삽입단계가 더 포함됨을 특징으로 하는 연속열처리 방식 폐전지 처리장치를 이용한 리튬계 전지로부터 유가금속의 회수방법.
- 제 14 항에 있어서, 상기 수거단계에 앞서 상기 반응조의 처리공간으로부터 상기 수납장치를 분리하여 외부로 배출하는 반응조분리단계가 더 포함됨을 특징으로 하는 연속열처리 방식 폐전지 처리장치를 이용한 리튬계 전지로부터 유가금속의 회수방법.
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