CN113477671A - Method for treating waste circuit board based on microwave - Google Patents
Method for treating waste circuit board based on microwave Download PDFInfo
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- CN113477671A CN113477671A CN202110776477.9A CN202110776477A CN113477671A CN 113477671 A CN113477671 A CN 113477671A CN 202110776477 A CN202110776477 A CN 202110776477A CN 113477671 A CN113477671 A CN 113477671A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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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
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a method for treating waste circuit boards based on microwaves, which belongs to the technical field of new energy environmental protection and comprises the following steps: obtaining a waste circuit board to be treated; crushing the waste circuit board into particles with preset particle sizes; processing the particles based on microwaves at a target temperature to obtain mixed particles; and screening the mixed particles to obtain metal particles and substrate particles. According to the invention, the crushed waste circuit board particles are subjected to microwave non-uniform heating, so that the metal in the waste metal circuit board is separated from the substrate, and the electronic waste is recycled, the recycling rate is high, and no secondary pollution is caused.
Description
Technical Field
The invention relates to the technical field of new energy environmental protection, in particular to a method for treating waste circuit boards based on microwaves.
Background
The printed circuit board is the foundation of the electronic industry, and along with the rapid development of the electronic industry, the updating speed of electronic products is increased, so that a large amount of electronic wastes are generated, and in addition, a large amount of leftover materials and the like are generated in the manufacturing process of the printed circuit board. If the electronic garbage is directly stacked without being treated, a large amount of space can be occupied, and harmful substances in the electronic garbage can pollute soil and cause great burden to the ecological environment.
In the prior art, the recovery processing method for waste circuit boards mainly comprises a physical method, a pyrometallurgical method, a hydrometallurgy method and a pyrolysis method; however, the recovery processing method of the waste circuit board in the prior art has the main problems of high energy consumption and secondary pollution in the waste circuit board processing process.
Disclosure of Invention
The invention aims to provide a method for treating waste circuit boards based on microwaves, aiming at overcoming the defects of the waste circuit boards in the prior art in the recovery treatment process, and solving the problems of high energy consumption and secondary pollution in the waste circuit board treatment process in the prior art.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, the invention provides a method for processing a waste circuit board based on microwaves, which is characterized by comprising the following steps:
obtaining a waste circuit board to be treated;
crushing the waste circuit board into particles with preset particle sizes;
processing the particles based on microwaves at a target temperature to obtain mixed particles;
and screening the mixed particles to obtain metal particles and substrate particles.
Optionally, before screening the mixed particulate matter, the method further includes:
cooling the mixed particles to obtain a cooled mixture;
and screening the cooled mixture.
Optionally, the target temperature is a temperature threshold, and the temperature threshold is less than 530 degrees.
In a second aspect, the invention discloses a device for treating waste circuit boards based on microwaves, which comprises: the device comprises a crushing module, a feeding module, a processing module, a cooling module and a screening module;
the processing module comprises a cavity, a roller way, a conveying belt and a microwave source; the top of the cavity is provided with a microwave source, the roller way is arranged at the bottom of the cavity, and the roller way is provided with the conveying belt; the crushing module is connected with the feeding module, and the feeding module is also connected with the processing module; the conveyor belt is connected with the cooling module; the cooling module is also connected with the screening module.
In a third aspect, the present invention also discloses a control system for microwave treatment of waste circuit boards, wherein the control system comprises: an acquisition module, a first processing module, a second processing module and a third processing module, wherein,
the acquisition module is used for acquiring the waste circuit board to be processed;
the first processing module is used for crushing the waste circuit board into particles with preset particle sizes;
the second processing module is used for processing the particles based on microwaves at a target temperature to obtain mixed particles;
and the third processing module is used for screening the mixed particulate matters to obtain metal particulate matters and substrate particulate matters.
In a fourth aspect, the present invention further discloses an electronic device, including: the microwave waste circuit board treatment device comprises a processor and a memory, wherein the memory is used for storing instructions, and the processor is used for executing the instructions stored in the memory so as to enable the device to execute the microwave waste circuit board treatment method according to the first aspect.
In a fifth aspect, the present invention also discloses a computer-readable storage medium, in which computer-executable instructions are stored, and when the instructions are executed, the computer is caused to execute the method for processing the waste circuit board based on microwave according to the first aspect.
The invention has the beneficial effects that: the invention provides a method for treating waste circuit boards based on microwaves, which belongs to the technical field of new energy environmental protection and comprises the following steps: obtaining a waste circuit board to be treated; crushing the waste circuit board into particles with preset particle sizes; processing the particles based on microwaves at a target temperature to obtain mixed particles; and screening the mixed particles to obtain metal particles and substrate particles. According to the invention, the crushed waste circuit board particles are subjected to microwave non-uniform heating, so that the metal in the waste metal circuit board is separated from the substrate, and the electronic waste is recycled, the recycling rate is high, and no secondary pollution is caused.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of a method for processing waste circuit boards based on microwaves according to an embodiment of the present invention;
fig. 2 is a schematic view of an apparatus for treating waste circuit boards based on microwaves according to another embodiment of the present invention;
fig. 3 is a schematic view of a control system for microwave-based waste circuit board treatment according to another embodiment of the present invention;
fig. 4 is a schematic view of an apparatus for processing waste circuit boards based on microwave according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic flow chart of a method for processing waste circuit boards based on microwaves according to an embodiment of the present invention; fig. 2 is a schematic view of an apparatus for treating waste circuit boards based on microwaves according to another embodiment of the present invention; fig. 3 is a schematic view of a control system for microwave-based waste circuit board treatment according to another embodiment of the present invention; fig. 4 is a schematic view of an apparatus for processing waste circuit boards based on microwave according to another embodiment of the present invention. The following will describe in detail a processing procedure for processing waste circuit boards based on microwave according to an embodiment of the present invention with reference to fig. 1 to 4.
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the invention provides a method for treating waste circuit boards based on microwaves, which is applied to a device for treating the waste circuit boards based on the microwaves. The steps involved in the method are described in detail below with reference to fig. 1.
Step 101: and obtaining the waste circuit board to be treated.
In the embodiment of the invention, the waste circuit board is electronic waste generated by electronic products, and the circuit board usually contains about 30% of plastics (epoxy resin, polyethylene, polyester, phenolic aldehyde and the like, halides, nitrogen-containing compounds), 30% of inert oxides (glass fiber and the like) and 40% of metals.
Step 102: and crushing the waste circuit board into particles with preset particle sizes.
In the embodiment of the invention, the waste circuit board in the pulverizer is pulverized, and the pulverized particles are conveyed to the next processing module through a pipeline; wherein, the rubbing crusher can be mechanical rubbing crusher, and the collector is connected through the metal mesh in rubbing crusher's bottom for collect the particulate matter after will smashing.
Step 103: and processing the particles based on microwaves at the target temperature to obtain mixed particles.
Wherein the target temperature is a temperature threshold value, and the temperature threshold value is less than 530 degrees.
In the embodiment of the invention, the waste circuit board comprises metal and a substrate, the substrate is made of plastic, the waste circuit board burns at a temperature of over 530 ℃, and the metal burning temperature is higher. Therefore, the microwave released by the microwave source heats the particles on the conveyor belt in the cavity, and the particles are heated to a temperature lower than a target temperature, so that the phenomenon of combustion in the microwave cavity is avoided, and the service life of the equipment is prolonged.
Illustratively, a temperature sensor is arranged in the cavity, the temperature sensor is connected with the controller and reports temperature data in the cavity acquired in real time to the controller, and the controller determines the use power of the microwave source according to the received data and the judgment of the target temperature.
Step 104: and screening the mixed particles to obtain metal particles and substrate particles.
Specifically, step 104 screens the mixed particulate matter to obtain metal particulate matter and substrate particulate matter, and before, the method further includes: cooling the mixed particles to obtain a cooled mixture; and screening the cooled mixture.
In the embodiment of the invention, the mixed particles comprise metal and a substrate, the mixed particles are put into the coolant, the metal is separated from the substrate due to different thermal expansion coefficients of the metal and the substrate in the cooling process of the mixed particles, and the metal and the substrate are further screened by the screening module, so that the metal and the substrate are thoroughly separated. Here, the coolant may be water or silicone oil.
Further, the method also comprises the steps of detecting whether the screened substrate contains metal, if so, indicating that the screening is unqualified, and putting the substrate which is unqualified in the screening into the microwave environment again for secondary treatment.
In the embodiment of the invention, the invention discloses a method for treating waste circuit boards based on microwaves, which comprises the following steps: obtaining a waste circuit board to be treated; crushing the waste circuit board into particles with preset particle sizes; processing the particles based on microwaves at a target temperature to obtain mixed particles; and screening the mixed particles to obtain metal particles and substrate particles. According to the invention, the crushed waste circuit board particles are subjected to microwave non-uniform heating, so that the metal in the waste metal circuit board is separated from the substrate, and the electronic waste is recycled, the recycling rate is high, and no secondary pollution is caused.
In another possible embodiment, the present invention further provides a device for processing waste circuit boards based on microwave, as shown in fig. 2, the device for processing waste circuit boards based on microwave, including: the device comprises a crushing module 1, a feeding module 2, a processing module 3, a cooling module 4 and a screening module 5;
wherein, the processing module 3 comprises a cavity, a roller way 33, a conveyor belt 32 and a microwave source 31; the top of the cavity is provided with a microwave source 31, the roller way 33 is arranged at the bottom of the cavity, and the roller way 33 is provided with the conveyor belt 32; the crushing module 1 is connected with the feeding module 2, and the feeding module 2 is also connected with the processing module 3; the conveyor belt 32 is connected with the cooling module 4; the cooling module 4 is also connected to the screening module 5.
In the embodiment of the invention, a waste circuit board to be treated is placed in a crushing module 1, the waste circuit board is crushed based on a mechanical crusher, the waste circuit board is crushed into particles with a certain size, metal in the waste circuit board is exploded out, further, the crushed waste circuit board particles are conveyed into a treatment module 3 through a feeding module 2, the crushed waste circuit board particles heat small pieces of the circuit board under the action of a microwave source 31 and are heated to be below a burning point, then the small pieces are put into cooling liquid in a cooling module, the metal and a substrate are separated due to different coefficients of thermal expansion during cooling, and then the metal and the substrate are separated through screening.
It should be noted that the waste circuit board usually contains about 30% of plastic; for example, plastics include epoxy, polyethylene, polyester, phenolic, and the like, halides, nitrogen-containing compounds; 30% of inert oxides (glass fibers, etc.) and 40% of metals. Therefore, when the microwave source 31 in the processing module 3 non-uniformly heats the particles, since the epoxy resin can be burned, the combustion temperature is 530-.
Specifically, the conveyor belt 32 is made of glass fiber; the microwave source 31 includes a plurality of microwave sources 31 uniformly arrayed on the top of the chamber.
In the embodiment of the invention, the cavity of the processing module 3 is a metal cavity, and the metal cavity does not absorb microwaves; the glass fiber is used as the conveyor belt 32, so that the absorption rate of other substances to microwaves in the treatment process is reduced, the crushed circuit board particles are treated to the maximum degree by the microwaves, and the utilization rate of the microwaves is improved.
The microwave is an electric wave having a frequency of 300 mhz to 300 ghz, and water molecules in the heated medium material are polar molecules. Under the action of a rapidly changing high-frequency point magnetic field, the polarity orientation of the magnetic field changes along with the change of an external electric field. The effect of mutual friction motion of molecules is caused, at the moment, the field energy of the microwave field is converted into heat energy in the medium, so that the temperature of the material is raised, and a series of physical and chemical processes such as thermalization, puffing and the like are generated to achieve the aim of microwave heating.
The microwave heating has the following advantages: the heating time is short; the heat energy utilization rate is high, and energy is saved; heating uniformly; the microwave source is easy to control, and the microwave can also induce the catalytic reaction.
The microwave is generated by a microwave source, which is mainly composed of a high-power magnetron. The magnetron is a device which completes energy conversion by utilizing the movement of electrons in vacuum and can generate high-power microwave energy, for example, a 4250MHz magnetic wave tube can obtain 5MHz, and a 4250MHz klystron can obtain 30MHz, so that the microwave technology can be applied to the technical field of wastewater treatment.
Optionally, the cooling module 4 includes a cooling liquid, a sensor and a heat exchanger; wherein the cooling liquid is water or silicone oil.
In the embodiment of the invention, the cooling module comprises cooling liquid for cooling the heated circuit board particles, and the particles are separated based on different thermal expansion coefficients of the metal and the circuit board substrate during cooling.
Illustratively, the heat exchanger is disposed at an upper portion of the cooling module 4, and is configured to exchange heat with hot air in the cooling pool to lower the temperature of the cooling pool, so as to achieve a protective effect on the cooling module 4.
Further, the screening module 5 at least comprises a first screening net and a second screening net; wherein the first and second screening nets have different pore sizes; the first screening net and the second screening net are not provided with metal mesh plates, and the aperture of the first screening net is larger than that of the second screening net; the first screening net is arranged on the upper part of the second screening net.
In the embodiment of the invention, the metal screen plate of the screening module 6 is used for screening particulate matters with different sizes, the metal is screened out based on the first screening net, other crushed slag is leaked down, and then screening is carried out based on the second screening net, and if the screening is not thorough, the metal screen plate can circularly enter the processing module 3 for secondary processing.
Optionally, metal nets are arranged at the inlet and outlet positions at two ends of the cavity; the aperture of the metal net is less than or equal to 3 mm.
In the embodiment of the invention, the positions of the air inlet and the air outlet are both provided with the metal nets, and the aperture of each metal net is less than or equal to 3 mm. Here, in order to prevent the microwave leakage. When the human body is very close to the microwave radiation source for a long time, the phenomena of dizziness, sleep disorder, hypomnesis, bradycardia, blood pressure reduction and the like are caused by excessive radiation energy. When the microwave leakage reaches 1mw/cm2, the eyes suddenly feel dazzled, the vision is degraded, and even cataract is caused. In order to ensure the health of users, metal nets are arranged at the inlet and the outlet of the reaction cavity, and the corners can generate microwave discharge under the action of microwaves, so that dangerous accidents are easy to happen. The metal mesh can block microwave leakage, reduce the damage of microwave to human body and improve the safety of the system.
This embodiment discloses a based on old and useless circuit board device of microwave treatment, include: a device based on microwave treatment old and useless circuit board, the device includes: the device comprises a crushing module 1, a feeding module 2, a processing module 3, a cooling module 4 and a screening module 5; wherein, the processing module 3 comprises a cavity, a roller way 33, a conveyor belt 32 and a microwave source 31; the top of the cavity is provided with a microwave source 31, the roller way 33 is arranged at the bottom of the cavity, and the roller way 33 is provided with the conveyor belt 32; the crushing module 1 is connected with the feeding module 2, and the feeding module 2 is also connected with the processing module 3; the conveyor belt 32 is connected with the cooling module 4; the cooling module 4 is also connected to the screening module 5. That is to say, the invention carries out non-uniform microwave heating on the crushed circuit board to form a molten state, so that the metal on the waste battery board and the substrate are cooled and separated, the waste is efficiently recycled, and the device has a simple structure and does not have secondary pollution.
Fig. 3 is a schematic view of a control system for waste circuit board processing based on microwave according to another embodiment of the present invention. The control system includes: an acquisition module 301, a first processing module 302, a second processing module 303, and a third processing module 304, wherein,
the obtaining module 301 is configured to obtain a waste circuit board to be processed.
The first processing module 302 is configured to crush the waste circuit board into particles with a preset particle size.
The second processing module 303 is configured to process the particulate matters based on microwaves at a target temperature to obtain mixed particulate matters.
The third processing module 304 is configured to screen the mixed particulate matter to obtain metal particulate matter and substrate particulate matter.
It should be noted that, for the descriptions of the same steps and the same contents in this embodiment as those in other embodiments, reference may be made to the descriptions in other embodiments, which are not described herein again.
In an embodiment of the present invention, a control system for processing a waste circuit board based on microwave in the present invention includes: the circuit comprises an acquisition module 301, a first processing module 302, a second processing module 303 and a third processing module 304, wherein the acquisition module 301 is used for acquiring a waste circuit board to be processed; the first processing module 302 is configured to crush the waste circuit board into particles with a preset particle size; the second processing module 303 is configured to process the particulate matters based on microwaves at a target temperature to obtain mixed particulate matters; the third processing module 304 is configured to screen the mixed particulate matter to obtain metal particulate matter and substrate particulate matter. According to the invention, the crushed waste circuit board particles are subjected to microwave non-uniform heating, so that the metal in the waste metal circuit board is separated from the substrate, and the electronic waste is recycled, the recycling rate is high, and no secondary pollution is caused.
Fig. 4 is a schematic diagram of a device for processing waste circuit boards based on microwave according to another embodiment of the present invention, which is integrated in a terminal device or a chip of the terminal device.
The device includes: memory 401, processor 402.
The memory 401 is used for storing a program, and the processor 402 calls the program stored in the memory 401 to execute the above embodiment of the method for processing the waste circuit board based on microwave. The specific implementation and technical effects are similar, and are not described herein again.
Preferably, the invention also provides a program product, such as a computer-readable storage medium, comprising a program which, when being executed by a processor, is adapted to carry out the above-mentioned method embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Claims (7)
1. A method for processing waste circuit boards based on microwaves is characterized by comprising the following steps:
obtaining a waste circuit board to be treated;
crushing the waste circuit board into particles with preset particle sizes;
processing the particles based on microwaves at a target temperature to obtain mixed particles;
and screening the mixed particles to obtain metal particles and substrate particles.
2. The method for processing the waste circuit board based on the microwave as claimed in claim 1, wherein the step of screening the mixed particulate matter further comprises:
cooling the mixed particles to obtain a cooled mixture;
and screening the cooled mixture.
3. The microwave-based waste circuit board treatment method according to claim 1, wherein the target temperature is a temperature threshold value, and the temperature threshold value is less than 530 degrees.
4. The utility model provides a based on old and useless circuit board device of microwave treatment which characterized in that, the device includes: the device comprises a crushing module, a feeding module, a processing module, a cooling module and a screening module;
the processing module comprises a cavity, a roller way, a conveying belt and a microwave source; the top of the cavity is provided with a microwave source, the roller way is arranged at the bottom of the cavity, and the roller way is provided with the conveying belt; the crushing module is connected with the feeding module, and the feeding module is also connected with the processing module; the conveyor belt is connected with the cooling module; the cooling module is also connected with the screening module.
5. A control system for microwave treatment of waste circuit boards is characterized by comprising: an acquisition module, a first processing module, a second processing module and a third processing module, wherein,
the acquisition module is used for acquiring the waste circuit board to be processed;
the first processing module is used for crushing the waste circuit board into particles with preset particle sizes;
the second processing module is used for processing the particles based on microwaves at a target temperature to obtain mixed particles;
and the third processing module is used for screening the mixed particulate matters to obtain metal particulate matters and substrate particulate matters.
6. An electronic device, characterized in that the electronic device comprises: the microwave-based waste circuit board processing device comprises a processor and a memory, wherein the memory is used for storing instructions, and the processor is used for executing the instructions stored in the memory so as to enable the device to execute the microwave-based waste circuit board processing method according to any one of claims 1 to 3.
7. A computer-readable storage medium, wherein the computer-readable storage medium stores computer-executable instructions, and when the instructions are executed, the computer is caused to execute the method for processing the waste circuit board based on microwave according to any one of claims 1 to 3.
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Application publication date: 20211008 |