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Author: zzsuny

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News

Recycling electric vehicle Li-Ion batteries plant

Lithium battery recycling production line customer site

Power battery refers to a battery with large electric energy capacity and output power, which can be equipped with power supply for electric bicycles, electric vehicles, electric equipment and tools. With the vigorous development of new energy electric vehicles, the power battery market has shown a trend of rapid growth; at the same time, the amount of scrapped power batteries is increasing, and the recycling of scrapped power batteries has become an important factor affecting the development of the power battery industry.

Lithium battery recycling production line customer site

Therefore, before recycling the copper and aluminum materials in waste batteries, it is necessary to carry out preliminary pre-treatment of waste batteries. The pre-treatment includes: 1) screening hard shell batteries and soft shell batteries, 2) fully crushing batteries, 3) purifying broken batteries 4) recycle the black powder in the battery.

A device and process for the pre-treatment of waste batteries, the device includes conveying equipment, crushers, dryers, waste gas treatment equipment and black powder recycling equipment, the conveying equipment includes a two-way conveyor that can change the conveying direction, and the two-way conveying The machine separates the hard-shell battery and the soft-shell battery, and transports them to different crushers for crushing, so that they can be differentiated according to the type of battery. For example, the hard-shell battery is preferably crushed with a double-shaft crusher first, and the soft-shell battery It is preferred to use a frequency conversion high-speed crusher for crushing treatment.

The waste gas treatment equipment includes spray tower, UV photolysis waste gas treatment equipment and a row of fans. The waste gas and waste liquid generated by the crusher and dryer pass through the pipeline in turn to spray the tower, UV photolysis waste gas treatment equipment and a row of fans, and discharge The exhaust gas is purified, and then discharged into the air after silencer treatment.

The copper and aluminum materials in the battery are crushed twice in the early stage of recycling, and the crushed battery is screened out by a cyclone collector to screen out the mixture of copper and aluminum particles and the waste gas containing the mixture of black powder. Under the action of pressure and suction, it enters the second cyclone collector, the exhaust end of the third crusher is connected to the second cyclone collector through pipelines, and the discharge end of the second cyclone collector recovers black powder, and the second cyclone collector The exhaust gas is purified through the bag filter, activated carbon adsorption tower and second exhaust fan in sequence.

Categories
News

What is the structure of the cutter shaft of the metal shredder?

Shredder Knives

The metal shredder is a new type of metal processing professional equipment with large-scale metal coarse crushing effect. It is mainly aimed at the shredding of some large-size scrap steel, color steel tiles, aluminum alloys, and aluminum profiles. The structure of the knife roller of this equipment is compared with that of The traditional metal crusher is quite special. The structure of the cutter shaft includes multiple main shafts and multiple cutter heads. There is a shaft hole in the middle of the cutter head. The discs are superimposed on the main shaft, and also include a moving knife seat, a moving knife, a static knife, a reducer, a workbench, and a main shaft, and seat grooves are symmetrically opened at both ends of the longitudinal and axial directions of each cutter disc. The movable knife seat is arranged in the seat groove, and the movable knife is connected to the movable knife seat and is arranged higher than the movable knife seat.

Shredder Knives

Shredder Knives

1. The structure of the knife roller of the metal shredder

The structure of the metal shredder knife roller has completely changed the traditional way of cleaning and crushing materials only by hammer crushers such as metal crushers. The convenient method of the structure processing department, due to the use of the claws to hold the material and the double-knife rollers to crush and cut each other, makes the processing and shredding of high-hardness materials easy and convenient. Compared with the impact effect of the metal crusher, the processing method of the shredder Easier and easier.

The knife roll structure of the double-shaft metal shredder includes a dynamic knife roll structure and a pure static knife roll structure. Both the first knife roll and the second knife roll materials are suitable for high-definition, high-hardness, and high-toughness alloy knives. The shredder The main shaft, the shaft sleeve and several moving knives on the main shaft complete the work together. The moving knives consist of nesting of several cutter bodies and shaft sleeves. Both sides of the claws contain protruding blades. With the above structure, the crushing High efficiency, long service life of knife roller, high production efficiency.

2. The tooth structure of the metal shredder

The main structure of the existing metal shredder is composed of a motor, a transmission belt, a large inertia knife roller and a blade on the knife roller, as shown in the figure below, the blade structure of the prior art adopts a multi-knife tooth shape, and the specific knife tooth structure includes 3 teeth, 5 teeth, 8 teeth, 24 teeth, etc. These toothed blades are set on the cutter shaft. When the double cutter shafts roll in opposite directions, the cutter tooth structure will block the metal material, and the material will be torn and squeezed under multiple actions It is cut and finally cut by the high torque of the double cutter shaft to form a metal block with uniform shape and size, which increases the material density and makes the shredded material easy to transport. On the other hand, after the material is shredded, it can also be The further fine crushing treatment is carried out by the metal crusher, which is convenient for further material sorting, impurity removal and paint removal treatment, and reduces the difficulty of material smelting.

At present, the recycling and crushing of many large-volume waste metals, color steel tiles, aluminum profiles and other materials need to be mechanically shredded or crushed by metal shredders, so that waste materials can be dismantled, and the crushing efficiency is improved. High, low equipment operating speed, low noise, large shredding torque, high strength and wear-resistant knives for internal use, the moving knife of the knife roller and the fixed knife cooperate, and the shearing force on the material during the transmission process is fully absorbed by the knife shaft and the moving and static knives. Absorption, the metal shredder works stably, the equipment has a long service life, and the replacement of the knife roller is simple and convenient. It is one of the excellent scrap metal processing equipment.

Categories
News

Aluminum Plastic Waste Medical Blister Recycling Machine

Aluminum Plastic Waste Medical Blister Recycling Machine

As an industrial product, metal aluminum has a wide range of applications. At present, aluminum-plastic films are widely used as packaging materials. However, a large amount of non-degradable waste produced by it pollutes the environment and causes serious waste of resources.

Aluminum-plastic separation equipment has the characteristics of low noise, large output, and advanced technology. The main purpose is to realize the separation of aluminum-plastic materials by crushing and separating various aluminum-plastic materials. The aluminum-plastic separator recycles aluminum-plastic waste such as aluminum-plastic panels, which can not only maintain the original quality of aluminum, but also recycle plastics, resulting in huge economic benefits.

Aluminum Plastic Waste Medical Blister Recycling Machine

The aluminum-plastic separation equipment is composed of a crusher, a feeding conveyor, a pulverizer, a high-voltage electrostatic separator, and dust removal equipment.

Process flow of plastic-aluminum separator:

1. Grinder: crush aluminum-plastic materials, and the finished material after crushing is about 10mm;

2. Automatic feeding machine: Put the crushed aluminum-plastic material into the automatic feeding machine to make it evenly loaded;

3. Pulverizer: Grind the aluminum-plastic mixture into very fine powder.

4. Rotary vibrating screen: Screen the ground aluminum-plastic materials, the materials that meet the particle size requirements enter the high-voltage electrostatic machine through the bucket elevator for final treatment, and the materials that do not meet the requirements return to the mill for processing and grinding again;

5. Hopper: Dust collection and discharge;

6. High-voltage electrostatic separator: use electrostatic separation to separate metal and plastic, so that aluminum and plastic can be completely separated.

Recently, the new recycling method of aluminum-plastic composite film adopts physical separation method. The physical separation method refers to the method of separating and processing through the aluminum-plastic separator. The aluminum-plastic separator extracts aluminum and plastic from the aluminum-plastic composite film through dry crushing and physical separation, and the separation purity can reach more than 99%. Through the SUNY GROUP aluminum-plastic separator, the separated aluminum and plastic can be directly used for secondary use, alleviating the shortage of aluminum and plastic raw materials in the market. Aluminum separator is currently the most popular aluminum-plastic composite film processing equipment!

Categories
News

Technical principle and maintenance of paper-plastic separator

Technical principle of paper-plastic separator

The working principle of the paper-plastic separator is that the drive shaft drives the chassis and the rubbing rotor to rotate strongly. The slurry moves from top to bottom along the rotor surface, and then is thrown from the lower part of the rotor to the groove wall, and is subjected to the strong movement of the cutter head again along the groove wall. The high-strength eddy current kneading cycle generated in the process makes all kinds of paper plastics flip up and down in the machine and rotate in the circumferential direction. The pulp is fully disintegrated into fibers and moistened to avoid cutting and damaging the fibers, and flows out from the pulp outlet under the sieve plate. Impurities such as plastic sheets, back-adhesive sheets, and plastic films are less broken (no debris will be formed), and they are discharged from the slag outlet next to the tank, so that the film and plastic are completely separated from the fibers.

Technical principle of paper-plastic separator

Technical principle of paper-plastic separator

Special features of paper-plastic separator:

1. High-strength eddy current and strong pulping effect are generated during work, which promotes full swelling, loosening and dispersion of various paper fibers into single fibers, avoiding excessive cutting, damage, and affecting fiber length and strength. Effectively avoid the breaking of light impurities such as plastic sheets and back film, so as to facilitate screening and removal.

2. Under the condition of medium concentration (4-12%), the fibers rub against each other, extrude, and knead strongly, so that various diaphragms and fibers are separated. At the same time, the viscosity of the pulp suspension is low, the fluidity is strong, and the fibers absorb water and moisten. , become soft and plastic, which is conducive to improving the quality of paper.

Operation and maintenance of paper-plastic separator:

1. Close the slag discharge valve, fill the tank with clean water to 1/3 height, and check whether there is any leakage in the slurry system pipeline. Start the motor, check whether the direction of rotation of the impeller is correct, and pay attention to whether the equipment is running normally.

2. When the equipment is operating normally, it can feed materials. Feeding is based on the principle of uniformity, and the concentration is properly controlled.

3. The raw materials containing coarse impurities and metal impurities should be cleaned up to avoid damage to the equipment.

4. Bearings and lubricating oil circuits should be checked frequently, and oil should be added at least once a month.

Categories
News

Recycling plant for lithium battery processing unit

Recycling plant for lithium battery processing unit

With the rapid development of consumer electronics, electric vehicles and large-scale energy storage markets in recent years, the production of lithium-ion batteries, which account for the largest share of energy storage and conversion devices, has grown rapidly. The number of waste lithium-ion batteries has also risen dramatically, and they contain a large number of valuable metal elements and organic electrolyte components that can easily pollute the environment and endanger human health. Therefore, from the point of view of the huge amount of waste, environmental protection and resource recycling, used lithium-ion batteries have a high recycling value. This thesis aims to investigate a green and simple recycling system for used lithium-ion batteries to ensure a high recycling rate while improving the environmental friendliness of the recycling process.

Recycling plant for lithium battery processing unit

The waste lithium battery resource recycling SUNY GROUP environmental protection lithium battery recycling treatment equipment a waste lithium battery treatment system, belongs to the field of waste battery treatment, including lithium battery waste feeding device, crusher, airflow sorting sieve, crusher, analysis machine, a grading sieve, two grading sieve, a specific gravity sifter, two specific gravity sifter, induced fan, collector and pulse purifier. The output of the lithium battery waste feeding device is connected to the crusher, the output of the crusher is connected to the airflow sorting screen, the output of the airflow sorting screen is connected to the collector through the induced draft fan, the other output of the airflow sorting screen is connected to the crusher, the output of the crusher is connected to the analyzer, the analyzer sorts out graphite powder and lithium cobaltate mixed powder and metal waste; the sorted graphite powder and lithium cobaltate mixed powder are transported to the collector through the induced draft fan The metal scrap from the analysis is further sorted and separated.

The utility model system is complete, one set of system can achieve the complete operation of recycling and separation of waste lithium batteries, without the need for other equipment, cobalt, aluminum separation is complete, high purity, high degree of automation, fast production efficiency.

Waste lithium battery recycling system, including: discharging battery, crushing device, filtering device, drying device, stirring device, sieving device, wind selection device; said discharging battery for discharging waste lithium batteries; said crushing device for crushing waste lithium batteries after discharging; said filtering device for filtering waste lithium batteries after crushing, to obtain electrolyte and battery fragments; said drying device for drying the battery fragment; said stirring device for stirring the dried battery fragment, so that the powder in the battery fragment is separated from the block; said vibrating and sieving device for sieving the stirred battery fragment, so that the powder in the battery fragment is separated from the block; said wind selection device for separating the block according to different materials by means of wind.

Categories
Products Scrap Metal Recycling Equipment

Continuous Carbonization Furnace

Continuous Carbonization Furnace 
The continuous charcoal making machine, machine also named continuous pyrolysis furnace is a new type of machine that feeds raw materials and outputs finished materials at the same time. It belongs to an external heating drying and carbonization integrated machine. The flue gas generated in the entire production process is self-utilized, and the exhaust gas passes through the flue gas treatment device. Processing, does not pollute the environment; after technical improvement, the furnace can also be used to recycle and process electronic waste, and realize the recycling of metals and pyrolysis the plastic into carbon, realizing the sorting of metal and plastic.



  



APPLICABLE MATERIALS


1. Metal recycling: aluminum capacitor recycling, circuit board recycling, waste wire recycling


2. Biomass carbonization: carbonization of biological wastes such as coconut shell, palm shell, hemp, sawdust and so on.


3. Recycling waste clothes to make carbon powder particles


Biomass particles or e-waste with a particle size of less than 50mm and a moisture content of less than 20% can be directly entered into the first-type machine for carbonization. For example, sawdust, coconut shells, fruit shells, palm shells, etc. can be directly carbonized; larger (50mm or more) raw materials, such as aluminum capacitors, wires, waste clothes, wood branches, etc., need to be shredded and then carbonized; if the moisture exceeds 30%, it needs to be dried in advance.


Biomass carbonization


Metal recycling


PRINCIPLE STRUCTURE


Structure


The host part of the pyrolysis furnace is a horizontal cylinder, the diameter of the cylinder is 1000MM, and the length is 10M (can also be customized according to the needs of customers).


The middle part of the cylinder is the heating area. Continuous rotation avoids the disadvantage that the fire only burn the same area, greatly prolongs the service life of the machine, and at the same time greatly improves the output material’s uniformity and quality.


Working principle: This machine uses natural gas, diesel to preheat the cylinder of the host machine (the temperature is generally controlled at 500℃). After heating to a certain temperature, the material can be fed for carbonization or get roasted. During carbonization or roasting, the insufficient burning will generate the combusitble gas, which will be lead to bottom of the furnace to get burnt as fuel, and the natual gas’s pipe can be closed gradually. and finally the combustible gas in the carbonization process is self-sufficient.


PARAMETERS



    
        

            Model
            ZY-TJ1000
            ZY-TJ1200
            ZY-TJ1500

        

        

            Dimension
            1000*10000mm
            1200*11600mm
            1200*11600mm
        

                

            Power
            32  Kw
            45 Kw
            55 Kw
        

                

            Capacity (kg/h)
            400-500
            800-1000
            1500
        

             
    



DELIVERY


Delivery
Categories
Products Solar Panel Recycling Machine

Solar PV Panel Recycling Machine

Solar Recycling Machine 
The solar panel recycling machine (production line) can systematically recycle scrapped solar panels, including aluminum frame removal, glass removal, and precious metal recycling, so as to realize the recycling and reuse of resources.



  



RECYCLING TECHNOLOGY


The rest of the components in a PV solar panel consist of good quality glass, aluminium frames, polymers, silicon, copper and silver paste (used for the printed conductors on each cell), all of which (up to 95%), can in principle be successfully recycled.


Solar Panel Recycling Technology


DETAILED MACHINE


Solar Recycling Machine


Solar Recycling Machine


Solar Recycling Machine


PARAMETERS



    
        

            Model
            ZY-SL300
            ZY-SL500
            ZY-SL1000

        

        

            Capacity
            300 Kg/H
            500 Kg/H
            1000 Kg/H
        

                

            Power
            102 Kw
            134 Kw
            194 Kw
        

                

            Weight
            15 Ton
            20 Ton
            30 Ton
        

                

            Dimension (m)
            20*5*5
            25*6*5
            30*6*5
Categories
Products Solar Panel Recycling Machine

Solar Panel Aluminum Frame Dismantling Machine

Solar Panel Aluminum Frame Dismantling Machine 
The solar photovoltaic panel aluminum frame dismantling machine is suitable for the dismantling and recycling of scrap solar panel aluminum frames of various sizes and types, which is simple, convenient, efficient and stable.



  



WORKFLOW


Aluminum frame removal process


Aluminum frame removal process


Aluminum frame removal process


Aluminum frame removal process


SOLAR PANEL ALUMINUM FRAME DISMANTLING MACHINE EFFECT


Solar Panel Aluminum Frame Dismantling Machine Effect


PARAMETERS




    
        

            Model
            ZY-FR500

        

        

            Design pressure
            1-2T
        

                

            Motor (KW)
            5.5kw
        

                

            Voltage
            200v/60Hz
        

                

            Oil pump
            2*1
        

                

            Hydraulic stroke length
            150mm
        

                

            Control method
            Fully automatic/manual operation
        

        

            Design times
            6-8times/min
        

        

            Overall size
            1.9mx1.7mx1.7m
        

        

            Total Weight
            1 T
        

    



MAY YOU LIKE


Solar Panels Glass Removing Equipment


Solar panel crushing and sorting equipment
Categories
Products Solar Panel Recycling Machine

Solar Panels Glass Removing Equipment

Solar Panels Glass Removing Equipment 
The solar photovoltaic panel glass dismantling machine equipment is a set of machines consisting of complete dismantling and recycling of the glass on the end-of-life solar panels. The equipment is equipped with corresponding dust removal facilities to avoid further dust pollution. After further glass dismantling, it will enter and exit the next stage of the crushing and sorting process.



  



APPLICATION RAW MATERIAL


Applicable to all kinds of end-of-life solar panels above the glass removal.


WORKFLOW


Solar panel glass removal process


Solar panel glass removal process


Solar panel glass removal process


Solar panel glass removal process


COMPARISON OF BEFORE AND AFTER DEMOLITION


COMPARISON OF BEFORE AND AFTER DEMOLITION


PARAMETERS



    
        

            Power
            26kw

        

        

            Biggest input width
            1250mm (customized)
        

                

            Speed
            70-90 pcs per hour
        

                

            Capacity
            1400-2000kg per hour
        

                

            Glass removal ratio
            above 88%
        

                

            Machine Dimension
            (4+2)*1.6*2.5m
        

                

            Dimension
            (4000+2000)*2400*2500mm
        

    



MAY YOU LIKE


Solar panel aluminum frame removal machine


Solar panel crushing and sorting equipment
Categories
News

Waste circuit board recycling equipment processing technology and prospects

Waste circuit board recycling equipment

Circuit board recycling equipment occupies a place in the field of electronic waste treatment, and can be widely used as waste circuit boards, copper-clad boards, circuit board edge material processing, etc. Automated waste circuit board recycling and processing line of waste circuit boards (PCB) is a mixture of glass fiber reinforced resin and a variety of metals, its metal grade is equivalent to dozens to hundreds of the metal grade in ordinary minerals, its metal content is up to 40%, is a typical electronic waste. Circuit board recycling equipment can recover metals and other effective resources without causing any environmental pollution, is currently more suitable for the protection of the environment, efficient and fully automatic recycling of waste circuit board production line.

Waste circuit board crushing and recycling process

The whole line structure and process flow of circuit board recycling equipment: circuit board processing and recycling production line mainly consists of shredder, crusher, shredder, air-flow specific gravity sorter, high-voltage electrostatic sorter and other auxiliary equipment.

1. The waste circuit board into a broken machine, the use of roller crusher (primary crushing) on the waste circuit board for coarse crushing, so that the circuit board crushed into about 4CM size of the material, and then into the belt conveyor, the conveyor on the magnetic separator will be sorted out the iron in the material, . The remaining materials will be sent by the conveyor into the secondary crusher for crushing, so that it becomes a powdered mixture of metal and resin fiber powder; crushed materials in the negative pressure fan, into the No. 1 cyclone separator, by the cyclone separator external rotary airflow settling to the vibrating screen of the airflow sorter, light resin powder will be linked to the cyclone separator internal rotary airflow into the pulse dust collector. The materials entering the airflow sorter will be separated from the metal powder materials and resin powder materials under the action of wind and vibration, and copper, resin powder and semi-finished products will be obtained. The purity of the copper obtained can be more than 85% and can be sold directly.

2. The resin powder obtained will enter the cyclone separator No.2 under the action of fan, and the resin powder will settle into the screw conveyor with the outer rotating airflow, and be sent out, bagged and collected by the screw conveyor. And the inner cyclone airflow will carry light dust into the pulse dust collector, under the filtration of dust bag, the dust will settle to the bottom and be sent out by the screw conveyor, bagged and collected. The clean air obtained after filtration is discharged from the top of the pulse dust collector. One of the semi-finished products obtained through the closed screw conveyor into the electrostatic sorting machine, sorting again, electrostatic sorting to get the semi-finished products are basically not completely crushed, stripped of unclean materials, the material will be crushed again through the screw conveyor into the secondary crusher, at the same time, electrostatic sorting will get a higher purity of copper and resin products.

Scrap circuit boards will circuit board recycling equipment applied to the industrial processing of electronic waste, circuit board recycling equipment crushing and separation device can be crushed and sorted for waste circuit boards, copper-clad boards and other electronic waste, for complex raw materials and raw materials containing different amounts of metal can be processed, high recovery rate, to protect the environment.

Categories
News

Waste circuit board crushing and recycling process

Waste circuit board crushing and recycling process

The waste circuit board crushing and recycling production line is mainly used for the separation of metals and non-metals in materials such as waste circuit boards, copper clad laminates, circuit boards and scraps. In terms of the current refining technology, the process is mature and has great advantages. The comprehensive performance of the circuit board crushing and recycling process is good, and it has a unique effect on the recycling of computer boards, computer boards, TV boards and other circuit control boards. It is also compatible with the recycling of various circuit boards containing capacitors. It has less power, no noise, less labor, high automation, high efficiency, and small footprint. It is an ideal production line for recycling waste circuit boards.

Waste circuit board crushing and recycling process

Lithium battery composition material

Process flow introduction:

1. Shredder: Shred the light board to 2-3 cm.

2. Circuit board crusher: crush the crushed circuit board to about 20 mesh.

3. Analysis machine: The crushed material is air-selected, and the resin, copper, dust and fiber are separated. The dust and fiber are sucked into the collector by the induced draft fan, and the resin and copper enter the grading screen.

4. Collector: Collect dust and fibers, and discharge the collected fibers.

5. Pulse purifier: collect the dust and ultrafine fibers generated during the crushing process.

6. Grading screen: the resin and copper are screened, the resin and copper that are not separated are returned to the main machine for re-grinding, and the separated resin and copper enter the specific gravity sorter for sorting.

7. Gravity sorting: Resin powder and copper are sorted by specific gravity. Since the weight of copper is greater than the weight of resin, copper will be sorted to one side and resin to the other side. In this way, the separation of metal and non-metal is achieved. This is a technology that is currently the only one in China, which can achieve a metal sorting effect of more than 99%.

8. High-voltage electrostatic separation: The tailings that have passed through the specific gravity separator are then subjected to high-voltage electrostatic separation to separate the small copper powder and resin contained in the tailings (the principle of high-voltage electrostatic separation is: put the input power through the transformer. Adjust to a high voltage of 100,000 volts to form a high-voltage magnetic field, which has the effect of adsorbing conductive metals, thus achieving the separation of metals and non-metals

The complete set of waste circuit board equipment adopts a new type of dust collector, and the three-in-one dust removal (cyclone dust removal + electrostatic dust removal + static dust removal) has no exhaust gas emission to the air. The appearance of the equipment is clean and tidy, and there is no dust bag, which replaces the problems that cannot be solved by the dust and odor of the traditional dust collector. In order to prevent dust pollution during processing, a pulse dust removal device is added after the air separation process, which effectively solves the problem of dust pollution.

The waste circuit board crushing and recycling result realizes the separation of metal and non-metal, and the purity is high, which achieves a great energy-saving effect in the whole production process, and achieves a high metal separation rate.

Categories
News

Fully automatic recycling and processing waste circuit board production line

recycling and processing waste circuit board production line

A new type of waste circuit board recycling process and equipment with strong applicability and high environmental protection. The production line is a fully automatic production line, using advanced physical method recycling technology, which can effectively treat all kinds of waste printed circuit boards and processing waste. Mechanical crushing and recycling of electrical appliances, etc., the metal recovery rate is high, and the purity of the recovered metal is as high as 98%.

recycling and processing waste circuit board production line

recycling and processing waste circuit board production line

The waste printed circuit board is a mixture of glass fiber reinforced grease and various metals, which is a typical electronic waste. The metal grade in the circuit board is equivalent to tens to hundreds of metal grades in ordinary minerals, and the metal content is high. Reaching 40%, the most is copper, in addition to gold. Aluminum. Nickel. Lead. If it is not properly handled and disposed of, it will not only cause a large loss of useful resources, but also contain a large number of teratogenic, mutagenic and carcinogenic substances such as cadmium brominated flame retardants, which will cause serious damage to the environment and human health. This paper introduces a fully automatic recycling and processing waste circuit board production line with high environmental protection and high efficiency suitable for my country’s national conditions.

The circuit board recycling production line is mainly composed of conveyor, primary crusher, secondary crusher, magnetic separator, pulverizer, sorting machine and other auxiliary equipment. After the waste circuit boards are manually dismantled, the harmful electrical components such as batteries, transformers, etc. and reusable parts are removed, and the remaining parts are sent to the primary crusher by the scraper conveyor to crush the materials to less than 20mm. , and then sent to the secondary crusher to crush the material to less than 5mm, the iron-containing material is separated by the magnetic separator, and the remaining material is crushed to a powder of about 2mm by the crusher, so that the copper in the multi-layer machine board can be separated. , The light dust is separated first by air selection, and the material with larger specific gravity is sent to the electrostatic separator to separate and recover about 20% of non-ferrous metals (copper, etc.).