CN203664350U - Recovery treatment system for waste electrical and electronic products - Google Patents

Recovery treatment system for waste electrical and electronic products Download PDF

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Publication number
CN203664350U
CN203664350U CN201320715775.8U CN201320715775U CN203664350U CN 203664350 U CN203664350 U CN 203664350U CN 201320715775 U CN201320715775 U CN 201320715775U CN 203664350 U CN203664350 U CN 203664350U
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China
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dust
machine
disintegrating
cyclone
electric appliance
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Expired - Fee Related
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CN201320715775.8U
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Chinese (zh)
Inventor
胡嘉琦
符永高
廖见松
赵新
邓梅玲
王鹏程
杜彬
王玲
曹诺
周斌
万超
廖伟强
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China National Electric Apparatus Research Institute Co Ltd
Guangzhou Kinte Industrial Co Ltd
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China National Electric Apparatus Research Institute Co Ltd
Guangzhou Kinte Industrial Co Ltd
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Priority to CN201320715775.8U priority Critical patent/CN203664350U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/82Recycling of waste of electrical or electronic equipment [WEEE]

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  • Combined Means For Separation Of Solids (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The utility model discloses a recovery treatment system for waste electrical and electronic products. The recovery treatment system is characterized by comprising a control system as well as a crushing system, a sorting system, a dust collecting system, a waste gas collecting system and an induced draft fan which are controlled by the control system, wherein the crushing system comprises a knocking crusher; the sorting system comprises a winnowing machine and a plastic and metal sorting device; the knocking crusher, the winnowing machine and the plastic and metal sorting device are connected sequentially through conveying devices to form a plastic and metal sorting production line; air outlets of the knocking crusher and the winnowing machine are connected with the dust collecting system respectively, and the dust collecting system is used for collecting light materials and dust of the whole treatment system; an air outlet of the dust collecting system is connected with the waste gas collecting system, and the induced draft fan is connected with the waste gas collecting system, so that the knocking crusher, the winnowing machine, the dust collecting system and the waste gas collecting system are in a negative pressure state. The system can be suitable for crushing and sorting treatment of various waste electric appliances such as a refrigerator, a circuit board and the like respectively.

Description

A kind of discarded electric appliance and electronic product recovery and processing system
Technical field
The utility model relates to a kind of discarded electric appliance and electronic product recovery and processing system.
Background technology
The a large amount of discarded electric appliance and electronic product of the annual generation of China, along with people's environmental consciousness constantly strengthens, the recycling of discarded electric appliance and electronic product receives social concern day by day.Simultaneously, along with the enforcement of " household electrical appliances old for new service " policy and the appearance of " discarded electric appliance and electronic product recycles management rules ", " discarded electric appliance and electronic product treatment fund is imposed use management method ", the discarded electric appliance and electronic in the whole nation recycles enterprise and in succession sets up.At present, " discarded electric appliance and electronic product treatment enterprise qualification examination and approval guide " explicitly calls for and has discarded electric appliance and electronic product treatment fund and subsidize autonomous returned enterprise and possess equipment and the ability of processing television set, refrigerator, air-conditioning, washing machine, computer.The recycling of the discarded household electrical appliances of this five class, input cost with refrigerator reclaimer is the highest, but in current actual production, the reject product major part that returned enterprise is recovered to is television set, computer, and the quantity that refrigerator, air-conditioning, washing machine are recovered to is still very limited, therefore the vacancy rate of refrigerator reclaimer is higher, causes larger waste.
The developed countries such as America and Europe have comparatively ripe and advanced discarded electric appliance and electronic product recycling equipment, what generally adopt is the recycling equipment with continuous treatment and increasingly automated control, equipment cost and operation are high, be not suitable for China and reclaim industry. meanwhile, there are not the multiduty fragmentation of complex function, the sorting recovery processing technique that are applicable to China's waste electronic electric equipment products distribution pattern.
In recent years, China has emerged in large numbers the manufacturing enterprise of a collection of discarded electric appliance and electronic product recycling equipment, meets to a certain extent the demand of the development of discarded electric appliance and electronic product recycling enterprise of China.The complete set of equipments that discarded electric appliance and electronic product recycling equipment manufacturing enterprise of China provides, as refrigerator crushing sorting complete set of equipments, wiring board cracking and sorting complete set of equipments etc., function is more single.
The recycling of refrigerator, the domestic general semi-automatic processing mode that all adopts, first by artificial separation, parts disassembled to compressor, motor, working of plastics, heat exchanger etc. are taken out, then casing is sent into cracking and sorting system, through even three grades of fragmentations of secondary, respectively iron, plastics, copper aluminium mixture, polyurethane foam are sorted out, recycling equipment is in negative pressure state simultaneously, the dust producing in processing procedure is collected by dust arrester, and freon in polyurethane foam enters in charcoal absorption system.
Wiring board recycling is once very active in China subregion, but because processing mode falls behind, has caused serious problem of environmental pollution.For the recycling of wiring board, domesticly carried out a large amount of research, comprised pyrometallurgical method, hydrometallurgical, pyrolysismethod, physics fragmentation+separating method, wherein physics fragmentation+separating method is little owing to polluting, equipment investment is low, this method of the common employing of domestic returned enterprise.The process route of the method is, by with or remove components and parts wiring board drop into crushing system, carry out even three grades of fragmentations of secondary, by selection by winnowing, magnetic separation, electrostatic separation, plastics, iron, copper tin mixture etc. are progressively separated, and by dust-precipitating system, powder is collected.
Summary of the invention
The purpose of this utility model is to provide a kind of discarded electric appliance and electronic product recovery and processing system, and this system can be applicable to respectively the cracking and sorting processing of the multiple waste electrical equipment such as refrigerator and wiring board.
The purpose of this utility model realizes by following technical measures: a kind of discarded electric appliance and electronic product recovery and processing system, comprise control system and the crushing system by control system control, separation system, dust-precipitating system, waste gas collecting system and air-introduced machine, described crushing system comprises and knocks disintegrating machine, described separation system comprises winnowing machine and plastic-metal sorting unit, the described disintegrating machine that knocks, winnowing machine and plastic-metal sorting unit connect and compose plastics and metal separation production line successively by conveying device, the described air outlet that knocks disintegrating machine and winnowing machine is connected with dust-precipitating system respectively, collect light material and the dust of whole treatment system, the air outlet of described dust-precipitating system is connected with waste gas collecting system, and described air-introduced machine is connected with waste gas collecting system, make to knock disintegrating machine, winnowing machine, dust-precipitating system and waste gas collecting system are in negative pressure state.
Described plastic-metal sorting unit comprises the first bucket elevator, the first vibration distribution machine, magnetic separator, the second vibration distribution machine and the eddy current separator that connect successively by mass transport direction, wherein, described the first vibration distribution machine, magnetic separator and the second vibration distribution machine are connected by conveyer belt.
Described crushing system also comprises two axle disintegrating machines, the discharging opening of this two axles disintegrating machine is connected with the charging aperture that knocks disintegrating machine by conveying device, wherein, described two axle disintegrating machines are one-level breaker, and material is carried out to coarse crushing, described in to knock disintegrating machine be two-stage crushing device, material through coarse crushing is carried out to fine crushing, form the suitably material particles of size, be convenient to follow-up sorting, the air outlet of described two axle disintegrating machines is connected with dust-precipitating system.
Further, in described two axle disintegrating machines, be provided with the continuous arrangement for detecting of hydrocarbon, monitor in real time the concentration of hydrocarbon, in the time that its concentration exceedes setting value, the measures such as nitrogen are taked to report to the police, shut down, discharge to notice control system.
Separation system of the present utility model also comprises metal sorting unit, this metal sorting unit comprises the conveying device, the second bucket elevator, the 3rd vibration distribution machine and the inertia winnowing machine that connect successively, the feed end of described conveying device is positioned at the below of the discharging opening of described plastic-metal sorting unit, and its discharge end is positioned at the charging aperture top of the second bucket elevator lower end.
Described dust-precipitating system is at least made up of two dust arresters, comprise the single stage of dust collection device and the two-stage precipitator that connect by airduct, described two axle disintegrating machines, the air outlet that knocks disintegrating machine and winnowing machine are connected with the air inlet of single stage of dust collection device respectively, and the air outlet of described two-stage precipitator is connected with waste gas collecting system.
The utility model can do following improvement: between the single stage of dust collection device of described dust-precipitating system and two-stage precipitator, cyclone is set, do further sorting to entering the material of dust-precipitating system, the material of light specific gravity enters in two-stage precipitator to be collected, and heavy material is discharged from cyclone discharging opening.
The utility model can do following improvement: described crushing system also comprises type fine disintegrating machine, this type fine disintegrating machine is positioned at the discharging opening below of described single stage of dust collection device, its discharging opening is connected with the air inlet of cyclone, light material after fine crushing is sent into sorting in cyclone, heavy material is discharged from the lower end discharging opening of cyclone, the material of light specific gravity and dust enter two-stage precipitator and collect from the air outlet of cyclone, concentrate discharge.
The utility model can do following improvement: in two-stage precipitator discharge end, foam cuber is set, the discharging opening of described two-stage precipitator lower end is connected with the charging aperture of foam cuber by conveying device, foam and dust that described two-stage precipitator is collected are sent briquet in foam cuber to, convenient recycling.
Separation system described in the utility model also comprises wiring board material sorting device, for by the light material of wiring board material, iron, mould wood powder and copper tin mixture separately, this wiring board material sorting device comprises the eddy mill, cyclone, vibration distribution machine, magnetic separator, bucket elevator and the electrostatic separator that connect successively, wherein, described cyclone is the cyclone in dust-precipitating system, and the feed end of described eddy mill is connected with the discharging opening of winnowing machine.
Described waste gas collecting system, collect condensation for the Freon gas that useless refrigerator processing procedure is produced, this system comprises freon recovery system and freon concentration measurement and control system, the airduct of foam cuber and two-stage precipitator is connected to freon recovery system, and freon concentration measurement and control system is installed on freon recovery system gas discharge outlet.
The utility model also comprises the feeding conveyor being connected with crushing system feed end, and described feeding conveyor is connected with two axle disintegrating machines.
Single stage of dust collection device described in the utility model and two-stage precipitator are bag collector.Described winnowing machine is sawtooth pattern winnowing machine, and this sawtooth pattern winnowing machine top has air outlet, and bottom has two discharging openings, and one of them discharging opening is connected with the first bucket lifting machine inlet capable, and another discharging opening is connected with eddy mill.
The utility model can do following improvement: described two axle disintegrating machines, knock disintegrating machine, winnowing machine, plastic-metal sorting unit and metal sorting unit is L-shaped arranges, form L shaped production line, described dust-precipitating system and wiring board material sorting device are positioned at L shaped production line inner side, described gas recovery system is positioned at dust-precipitating system outside, and such distribution can reduce the land seizure area of equipment.
the utility model compared with prior art has following beneficial effect:
(1) a tractor serves several purposes:the discarded electric appliance and electronic product recovery and processing system that the utility model provides can be by controlling the processing route of hand-off process different product, graded crushing and the multipass sort to multiple discarded electric appliance and electronic products such as waste refrigerators, wiring board, plastics, iron charge, heat exchangers respectively in a set of equipment, reduce the vacancy rate of equipment, greatly improve the service efficiency of equipment, made equipment maximizing the benefits.
safety, environmental-protecting performance are high:the waste gas that discarded electric appliance and electronic product recovery and processing system of the present utility model produces each link is connected centralized collection with dust by pipeline, and air after treatment can directly discharge.Waste gas collecting system is provided with the concentrated collection of freon and concentration measurement and control system, avoids noxious gas emission, realizes environmental protection and produces.In two axle disintegrating machines, hydrocarbon detector is set, avoids occurring ignition and detonate, guarantee production safety.
sorting index is high:the utility model can be realized effective separation and the multipass sort of the adhesion materials such as plastics, iron, copper, aluminium, has improved product added value, and the average purity of each separated product can reach more than 95%.
The arrangement mode of the system and device that the utility model provides, has reduced equipment land seizure area, and the production of having lowered enterprise drops into.
Accompanying drawing explanation
Fig. 1 is the discarded electric appliance and electronic product recovery and processing system layout in the utility model embodiment.
Fig. 2 is the utility model embodiment feeding conveyor and two axle disintegrating machine syndeton schematic diagrames.
Fig. 3 is the utility model embodiment bis-axle disintegrating machines, the first conveyer and knocks disintegrating machine syndeton schematic diagram.
Fig. 4 knocks disintegrating machine, plastic-metal sorting unit and metal sorting unit syndeton schematic diagram in the utility model embodiment.
Fig. 5 knocks disintegrating machine, dust-precipitating system and foam cuber syndeton schematic diagram in the utility model embodiment.
Fig. 6 is wiring board material sorting device structural representation of the present utility model.
Fig. 7 is the utility model embodiment waste gas collecting system and air-introduced machine syndeton schematic diagram.
The specific embodiment
Shown in Fig. 1 ~ 7, discarded electric appliance and electronic product recovery and processing system is an embodiment of the present utility model, comprises control system and feeding conveyor 1, crushing system, separation system, dust-precipitating system, waste gas collecting system 31 and air-introduced machine 32 by control system control.Wherein, crushing system by two axle disintegrating machines 2, knock disintegrating machine 4 and type fine disintegrating machine 19 forms, feeding conveyor 1 discharge end is connected with the charging aperture of two axle disintegrating machines 2, two axle disintegrating machines 2 with knock disintegrating machine 4 and be connected through the first conveyer 3.Wherein, the one-level breaker of two axle disintegrating machines 2 for material is carried out to coarse crushing, knocks disintegrating machine 4 for two-stage crushing device, and the material through coarse crushing is carried out to fine crushing, forms the suitably material particles of size, is convenient to follow-up sorting.
As shown in figs. 1 and 4, separation system comprises sawtooth pattern winnowing machine 6 and plastic-metal sorting unit, knocks disintegrating machine 4, sawtooth pattern winnowing machine 6 and plastic-metal sorting unit and connects and composes successively plastic-metal separation production line.Sawtooth pattern winnowing machine 6 tops have feed hopper and air outlet, and bottom has two discharging openings, are respectively discharging port A and discharging opening B.Knock disintegrating machine 4 and be connected with sawtooth pattern winnowing machine 6 by second conveyor 5, the discharge end of second conveyor 5 is positioned at the feed hopper top of sawtooth pattern winnowing machine 6.Two axle disintegrating machines 2, the air outlet that knocks disintegrating machine 4 and sawtooth pattern winnowing machine 6 are connected with the air inlet of dust-precipitating system respectively, collect light material and dust.The air outlet of dust-precipitating system is connected with waste gas collecting system, the treated qualified rear discharge of waste gas, air-introduced machine 32 is connected with waste gas collecting system, and air in dust-precipitating system and waste gas collecting system is guided to the external world, makes dust-precipitating system and waste gas collecting system 31 in negative pressure state.
As shown in Fig. 1 ~ 4, plastic-metal sorting unit comprises the first bucket elevator 7, the first vibration distribution machine 8, magnetic separator 9, the second vibration distribution machine 11 and the eddy current separator 12 that connect successively by mass transport direction, wherein, the first vibration distribution machine 8, magnetic separator 9 and the second vibration distribution machine 11 are connected by the 3rd conveyer 10, the conveyer belt of the 3rd conveyer 10 is positioned at magnetic separator 9 belows, iron is drawn by magnetic separator 9, the nonmagnetic substance not picked up by magnetic separator 9, directly enters the second vibration distribution machine 11 through the 3rd conveyer 10.The charging aperture of the first bucket elevator 7 bottoms is positioned at the below of the discharging port A of sawtooth pattern winnowing machine 6, heavier feeds is discharged and is entered the first bucket elevator 7 from sawtooth pattern winnowing machine 6 discharging openings, and the discharging opening on the first bucket elevator 7 tops is positioned at the top of the feed end of the first vibration distribution machine 8, the first vibration distribution machine 8, magnetic separator and the second vibration distribution machine 11 are connected by conveyer belt, and the discharge end of described the second vibration distribution machine 11 is positioned at the feed end top of eddy current separator 12.The side discharging opening below of eddy current separator 12 is placed with collecting box 34, and the discharging opening below of bottom is provided with the 4th conveyer 13, the four conveyers 13 and is wherein provided with collecting box 34 in below, one end.
As shown in figs. 1 and 4, separation system also comprises metal sorting unit, and this metal sorting unit comprises the 5th conveyer 14 second bucket elevators 15, the 3rd vibration distribution machine 16 and the inertia winnowing machine 17 that connect successively.The feed end of the 5th conveyer 14 is positioned at the 4th conveyer 13 another discharge end belows, discharge end is positioned at the charging aperture top of the second bucket elevator 15 lower ends, metal mixture is discharged and is fallen on the conveyer belt of the 4th conveyer 13 from eddy current separator 13 discharging openings, deliver to the second bucket elevator 15 through the 5th conveyer 14, then successively enter the 3rd vibration distribution machine 16 and inertia winnowing machine 17 does further sorting process.
As shown in Fig. 1 and 5, dust-precipitating system is connected and composed through airduct successively by single stage of dust collection device 18, cyclone 20 and two-stage precipitator 21.Single stage of dust collection device 18 and two-stage precipitator 21 are bag collector.Two axle disintegrating machines 2, the air outlet that knocks disintegrating machine 4 and sawtooth pattern winnowing machine 6 are connected with single stage of dust collection device 18 respectively, and the air outlet of two-stage precipitator 21 is connected with waste gas collecting system 31.The air outlet at cyclone 20 tops is connected with the air inlet of two-stage precipitator 21.Type fine disintegrating machine 19 is positioned at the discharging opening below of described single stage of dust collection device 18, its discharging opening is connected with the air inlet of cyclone 20, the light material in the situation that of negative pressure after fine crushing enters sorting in cyclone 20, heavy material is discharged from the lower end discharging opening of cyclone 20, and the material of light specific gravity enters two-stage precipitator 21 and collects from the air outlet of cyclone 20.The discharging opening of two-stage precipitator 21 lower ends is connected with the charging aperture of foam cuber 23 by the 7th conveyer 22, and the foam that two-stage precipitator 21 is collected and unclassified stores are sent to briquet in foam cuber 23, convenient recycling.
As shown in figs. 1 and 6, separation system also comprises wiring board material sorting device, for by the light material of material, iron, mould wood powder and copper tin mixture separately, this wiring board material sorting device comprises the eddy mill 24, cyclone 20, vibration distribution machine 27, magnetic separator 28, bucket elevator 29 and the electrostatic separator 30 that connect successively.Wherein, the feed end of eddy mill 24 is connected with the discharging opening B of sawtooth pattern winnowing machine 6 by the 6th conveyer 33, and eddy mill 24 its discharging openings with by airduct are connected with the air inlet of cyclone 20.The conveyer belt middle part of the 6th conveyer 33 is provided with the controlled discharging opening of folding, and the below of this discharging opening is placed with collecting box 34, the material without doing further processing from sawtooth pattern winnowing machine 6 can be drained into collecting box 34 from this discharging opening.Cyclone 20 is the cyclone in dust-precipitating system, the discharging opening of its bottom is connected with vibration distribution machine 27 with the 9th conveyer 26 by the 8th conveyer 25, wherein the conveyer belt of the 8th conveyer 25 middle part is provided with the controlled discharging opening of folding, the below of this discharging opening is placed with collecting box 34, the material without doing further processing from cyclone 20 can be drained into collecting box 34 from this discharging opening.Collecting box 34 is placed respectively in two discharging opening belows of electrostatic separator 30.Wiring board material after crushed enters sorting in cyclone 20 after eddy mill 24 is further pulverized, then heavy material is delivered to vibration distribution machine 27 by the 8th conveyer 25 and the 9th conveyer 26, after vibrations disperse, entering magnetic separator 28 sorts out the iron in material, leftover materials enter electrostatic separator 30 through bucket elevator 29, separate and mould wood powder and copper tin mixture.
Waste gas collecting system is collected condensation for the Freon gas that useless refrigerator processing procedure is produced, it comprises freon recovery system, freon concentration measurement and control system, foam cuber 23 is connected with freon recovery system through airduct with the air outlet of two-stage precipitator 21, and freon concentration measurement and control system is installed on freon recovery system gas discharge outlet.
Two axle disintegrating machines, knock disintegrating machine, sawtooth pattern winnowing machine, plastic-metal sorting unit and metal sorting unit is L-shaped arranges, form L shaped production line, dust-precipitating system and wiring board material sorting device are positioned at L shaped production line inner side, and gas recovery system is positioned at dust-precipitating system outside.Such distribution can reduce the land seizure area of equipment.

Claims (10)

1. a discarded electric appliance and electronic product recovery and processing system, it is characterized in that, comprise control system and the crushing system by control system control, separation system, dust-precipitating system, waste gas collecting system and air-introduced machine, described crushing system comprises and knocks disintegrating machine, described separation system comprises winnowing machine and plastic-metal sorting unit, the described disintegrating machine that knocks, winnowing machine and plastic-metal sorting unit connect and compose plastics and metal separation production line successively by conveying device, the described air outlet that knocks disintegrating machine and winnowing machine is connected with dust-precipitating system respectively, collect light material and the dust of whole treatment system, the air outlet of described dust-precipitating system is connected with waste gas collecting system, and described air-introduced machine is connected with waste gas collecting system, make to knock disintegrating machine, winnowing machine, dust-precipitating system and waste gas collecting system are in negative pressure state.
2. discarded electric appliance and electronic product recovery and processing system according to claim 1, it is characterized in that, described plastic-metal sorting unit comprises the first bucket elevator, the first vibration distribution machine, magnetic separator, the second vibration distribution machine and the eddy current separator that connect successively by mass transport direction, wherein, described the first vibration distribution machine, magnetic separator and the second vibration distribution machine are connected by conveyer belt.
3. discarded electric appliance and electronic product recovery and processing system according to claim 1, it is characterized in that, described crushing system also comprises two axle disintegrating machines, the discharging opening of this two axles disintegrating machine is connected with the charging aperture that knocks disintegrating machine by conveying device, wherein, described two axle disintegrating machines are one-level breaker, described in to knock disintegrating machine be two-stage crushing device, the air outlet of described two axle disintegrating machines is connected with dust-precipitating system; In described two axle disintegrating machines, be provided with the continuous arrangement for detecting of hydrocarbon, monitor in real time the concentration of hydrocarbon, in the time that its concentration exceedes setting value, nitrogen measure is taked to report to the police, shut down, discharges to notice control system.
4. discarded electric appliance and electronic product recovery and processing system according to claim 3, it is characterized in that, described separation system also comprises metal sorting unit, this metal sorting unit comprises the conveying device, the second bucket elevator, the 3rd vibration distribution machine and the inertia winnowing machine that connect successively, the feed end of described conveying device is positioned at the below of the discharging opening of described plastic-metal sorting unit, and its discharge end is positioned at the charging aperture top of the second bucket elevator lower end.
5. discarded electric appliance and electronic product recovery and processing system according to claim 4, it is characterized in that, described dust-precipitating system is at least made up of two dust arresters, comprise the single stage of dust collection device and the two-stage precipitator that connect by airduct, described two axle disintegrating machines, the air outlet that knocks disintegrating machine and winnowing machine are connected with the air inlet of single stage of dust collection device respectively, and the air outlet of described two-stage precipitator is connected with waste gas collecting system.
6. discarded electric appliance and electronic product recovery and processing system according to claim 5, it is characterized in that, between the single stage of dust collection device of described dust-precipitating system and two-stage precipitator, cyclone is set, do further sorting to entering the material of dust-precipitating system, the material of light specific gravity enters in two-stage precipitator to be collected, and heavy material is discharged from cyclone discharging opening; Described crushing system also comprises type fine disintegrating machine, this type fine disintegrating machine is positioned at the discharging opening below of described single stage of dust collection device, its discharging opening is connected with the air inlet of cyclone, light material after fine crushing is sent into sorting in cyclone, heavy material is discharged from the lower end discharging opening of cyclone, the material of light specific gravity and dust enter two-stage precipitator and collect from the air outlet of cyclone, concentrate discharge.
7. according to the discarded electric appliance and electronic product recovery and processing system described in claim 5 or 6, it is characterized in that, described two-stage precipitator discharge end arranges foam cuber, the discharging opening of described two-stage precipitator lower end is connected with the charging aperture of foam cuber by conveying device, foam and dust that described two-stage precipitator is collected are sent briquet in foam cuber to, convenient recycling; Described waste gas collecting system comprises freon recovery system and freon concentration measurement and control system, and the airduct of described foam cuber and two-stage precipitator is connected to freon recovery system, and freon concentration measurement and control system is installed on freon recovery system gas discharge outlet.
8. discarded electric appliance and electronic product recovery and processing system according to claim 7, it is characterized in that, described separation system also comprises wiring board material sorting device, this wiring board material sorting device comprises the eddy mill, cyclone, vibration distribution machine, magnetic separator, bucket elevator and the electrostatic separator that connect successively, wherein, described cyclone is the cyclone in dust-precipitating system, and the feed end of described eddy mill is connected with the discharging opening of winnowing machine.
9. discarded electric appliance and electronic product recovery and processing system according to claim 8, it is characterized in that, described two axle disintegrating machines, knock disintegrating machine, winnowing machine, plastic-metal sorting unit and metal sorting unit is L-shaped arranges, form L shaped production line, described dust-precipitating system and wiring board material sorting device are positioned at L shaped production line inner side, and described gas recovery system is positioned at dust-precipitating system outside.
10. discarded electric appliance and electronic product recovery and processing system according to claim 1, is characterized in that, also comprises the feeding conveyor being connected with crushing system feed end, and described feeding conveyor is connected with two axle disintegrating machines.
CN201320715775.8U 2013-11-14 2013-11-14 Recovery treatment system for waste electrical and electronic products Expired - Fee Related CN203664350U (en)

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Cited By (7)

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CN103722003A (en) * 2013-11-14 2014-04-16 中国电器科学研究院有限公司 Recycling system for waste electrical and electronic products
CN104307853A (en) * 2014-10-30 2015-01-28 四会市丰裕塑胶有限公司 Electronic waste recovery device
CN104785500A (en) * 2015-03-31 2015-07-22 江苏地一环保科技有限公司 Dry-type separation and recovery system and process for circuit boards
CN105032904A (en) * 2015-09-18 2015-11-11 王卫华 Intelligent electronic waste treatment equipment with automatic sorting function
CN105182878A (en) * 2015-09-18 2015-12-23 王卫华 Electronic waste processing apparatus for remote wireless network purification
CN107570303A (en) * 2017-08-31 2018-01-12 浙江浙矿重工股份有限公司 A kind of lead-acid accumulator reclaiming system
CN107837928A (en) * 2017-03-22 2018-03-27 四川理工学院 A kind of abandoned car disintegrating machine unit

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722003A (en) * 2013-11-14 2014-04-16 中国电器科学研究院有限公司 Recycling system for waste electrical and electronic products
CN104307853A (en) * 2014-10-30 2015-01-28 四会市丰裕塑胶有限公司 Electronic waste recovery device
CN104307853B (en) * 2014-10-30 2017-02-15 广东丰裕环保科技股份有限公司 Electronic waste recovery device
CN104785500A (en) * 2015-03-31 2015-07-22 江苏地一环保科技有限公司 Dry-type separation and recovery system and process for circuit boards
CN105032904A (en) * 2015-09-18 2015-11-11 王卫华 Intelligent electronic waste treatment equipment with automatic sorting function
CN105182878A (en) * 2015-09-18 2015-12-23 王卫华 Electronic waste processing apparatus for remote wireless network purification
CN107837928A (en) * 2017-03-22 2018-03-27 四川理工学院 A kind of abandoned car disintegrating machine unit
CN107837928B (en) * 2017-03-22 2023-08-01 四川理工学院 Scrapped car crusher unit
CN107570303A (en) * 2017-08-31 2018-01-12 浙江浙矿重工股份有限公司 A kind of lead-acid accumulator reclaiming system

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