CN101181713A - Waste and old electric appliance reclaiming handling system and method - Google Patents
Waste and old electric appliance reclaiming handling system and method Download PDFInfo
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- CN101181713A CN101181713A CNA2007100323898A CN200710032389A CN101181713A CN 101181713 A CN101181713 A CN 101181713A CN A2007100323898 A CNA2007100323898 A CN A2007100323898A CN 200710032389 A CN200710032389 A CN 200710032389A CN 101181713 A CN101181713 A CN 101181713A
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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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Abstract
The invention discloses a waste electrical appliances recovery and treatment system, comprising a negative-pressure operation chamber (1), an air purification system and a sorting machine (13). The operation chamber (1) is provided with at least an operation table and at least a crusher (2), both ends of the operation table are respectively connected with an electric appliance pretreatment production line outside the operation chamber (1) and the crusher (2) inside the operation chamber, the crusher (2) is connected with the sorting machine (13) outside the operation chamber (1), thus forming a continuous running production line for detaching electric appliances. The air purification system is provided with two collecting ports, one of which is communicated with the operation chamber (1), and the other is communicated with discharge outlets of a cutting machine (12) and the crusher (2), and the whole operation chamber (1) forms a close space. The invention also discloses a recovery treatment method of waste electric appliances for the waste electrical appliances recovery and treatment system. The invention can reduce the cost of manufacturing, running and maintenance of equipment.
Description
Technical field
The present invention relates to a kind of waste electrical equipment recovery and processing system and recovery and treatment method, relate in particular to a kind of recovery and processing system and method that contains the waste electrical equipment of harmful gas.
Background technology
Along with a large amount of updates of electric equipment products, the processing of waste electrical equipment has become a major issue of domestic and international urban construction.Because disassemble at waste electrical equipment, the volatilization of the blowing agent in the comminution process and produce a large amount of dust, the not only contaminated environment but also the health that can endanger operating personnel.Therefore abroad especially developed country set up waste electrical equipment recovery system and processing plant on a large scale, waste electrical equipment is recycled.
At present, external based on the higher reason of cost of labor, under the situation that reduces manpower as far as possible, improve automation degree of equipment, developed a kind of recovery and processing system (referring to Fig. 1) of totally-enclosed, full-automatic formula, this system comprises the pulverizing chamber 1 of a sealing, be connected with liquid nitrogen cryogenics system 5 at sealing chamber 1, its inside is provided with pulverizer 6; The particle port of export of described pulverizer 6 is connected by the outer a plurality of separators 4 of conveyer belt 3 and chamber; Described chamber 1 is provided with air outlet and is connected with outdoor dust waste gas adsorption condensing retracting device 2 in the top, be used to reclaim blowing agent and filter the dust of pulverizing generation.Correspondingly utilize the recovery processing technique (referring to Fig. 2) of said system, then may further comprise the steps: 1. preliminary treatment: after reclaiming refrigerant waste electrical equipment is disassembled; 2. pulverize electrical equipment: casing for electric appliances is carried out integral body fragmentation in that the crushing chamber with liquid nitrogen cryogenics system of sealing is indoor, simultaneously blowing agent, dust are discharged to outside the chamber, further handle by dust waste gas adsorption condensing retracting device; 3. material sorting.This technology has realized totally-enclosed and full-automatic, organic efficiency height and non-secondary pollution, but owing to be that complete machine is pulverized, all very high to the requirement of cutter and crushing technology, therefore the cost of the whole series recycling equipment is quite expensive, and the cost of safeguarding and moving is very high.
Yet, China's waste electrical equipment reclaims present situation at present, it is collected processing and handles extremely backward, the method of the recycling of adopting is still disassembled for pure craft, do not have the technological process of standard and do not take into full account the environmental requirement of processing procedure, cause the wasting of resources and environmental pollution, if but use above-mentioned external method, though its organic efficiency height, non-secondary pollution, but used recycling equipment involves great expense, and maintenance and operating cost height, and not exclusively is fit to the present situation that China's human resources are abundant and the economic base relative thin is weak.
Summary of the invention
First purpose of the present invention provides a kind of recovery and processing system of waste electrical equipment, and the device fabrication and the operating cost of this system are low, and has taken into full account the environmental requirement of processing procedure.
Another object of the present invention provides a kind of waste electrical equipment recovery and treatment method that uses above-mentioned recovery and processing system.This method effectively reclaims and handles the foaming agent gas that produces in the waste electrical equipment processing procedure, has avoided second environmental pollution.
First purpose of the present invention realizes by following technical measures: a kind of recovery and processing system of waste electrical equipment, it comprises and is in negative pressure state operation room, air cleaning system and separator, be provided with at least one operating desk and at least one pulverizer in the described operation room, the two ends of described operating desk are connected with indoor pulverizer with the outside electrical equipment pre-treatment production line of operation room respectively by conveyer belt, pulverizer is connected with operation room separator outward, and the electrical equipment that forms a continuous operation is disassembled flow production line; Described air cleaning system is provided with two collection mouths, and one of them collection mouth is communicated with operation room, and another is collected mouth and is communicated with enclosure space of formation between whole operation with the Waste gas outlet of cutting machine and pulverizer.
Described air cleaning system comprises deduster, waste gas adsorption condensing retracting device, circulating fan, and described deduster, waste gas adsorbent bed, circulating fan connect successively by conduit; The air intake of described deduster is connected with the exhaust outlet of operation room, and the exhaust outlet end of described circulating fan is connected with the operation room air inlet.
Described waste gas adsorption condensing retracting device comprises and connects waste gas absorber, at least one desorption separator and at least one returnable bottle successively.
Described waste gas absorber comprises at least one group of adsorbent bed, and each is organized between adsorbent bed and is connected in parallel, described respectively organize can switch in turn between adsorbent bed adsorb and desorption and regeneration.
Described adsorbent bed is charcoal absorption fixed bed, macroreticular resin etc., and wherein said charcoal absorption fixed bed is one or both the mixing in gluing based active carbon fiber felt or the Alveolate activated carbon capable.
Described deduster is the lauter tub filter, and its floor space is little, and the filter efficiency height can filter the polyurethane dust, plastics dust and the metallic dust that produce after the waste electrical equipment fragmentation, and these dust collections are reclaimed.
Described air cleaning system also comprises at least one air-conditioning unit, and the air intake of described air-conditioning unit is connected with the outlet air end of deduster, and its outlet air end is connected with described waste gas adsorption condensing retracting device.Described air-conditioning unit is used for the air themperature humidity of operation room is regulated, make and keep certain humiture state in the operation room, take away the working heat of disassembling with disintegrating apparatus, thereby the active carbon in the raising waste gas adsorption condensing retracting device is to the adsorption capacity of lower boiling foaming agent gas, remove the pernicious gas in the recyclegas, for operating personnel provide good working environment.
Also be provided with exhaust blower between waste gas absorber in the described air cleaning system and circulating fan, not only can cleaned air passes be discharged in the atmosphere at this, and take a sample from exhaust blower during operation, detect the index of cleaned air passes, the duty of monitoring air cleaning system keeps fresh to guarantee the air in the workplace.
At least one sensor is set in the described operation room, and described sensor is connected with automatic control switch, is used for controlling air cleaning system work according to the variation of temperature, humidity, harmful gas concentration and pressure reduction actual in the operation room.And can monitor in real time temperature, humidity, harmful gas concentration and pressure reduction etc., and control circular treatment speed and exhaust air rate, thereby personnel's safety in the assurance operation room.
Pressure in the described operation room is-50～-150Pa, guarantee negative pressure state, be convenient to waste gas and concentrate discharging.
Described operation room also is provided with a ventilating opening, is used for the concentration of ozone reduction indoor harmful gas between complement operation, for operating personnel provide good working environment.
A kind of recovery and treatment method of waste electrical equipment, it may further comprise the steps:
(1) on pre-treatment production line, waste electrical equipment is disassembled, removed inside gadget, parts and the compressor of electrical equipment, and remove the gas mixture in the compressor;
(2) will be transported in the negative-pressure sealed workshop by conveyer belt through pretreated electrical equipment, operating personnel cut, separate outer steel plate and heat-insulation layer to electrical equipment; Separating the outer steel plate that obtains can directly reclaim, and delivers to steel mill and carries out freshening;
(3) electrical equipment that will remove outer steel plate continues to resolve into lump material, lump material is delivered in the pulverizer by conveyer belt pulverizes then, obtains comminuting matter;
(4) blowing agent that produces in cutting machine and the pulverizer in the cutting and grinding process and dust collection are discharged into and carry out the first class purification processing in the air cleaning system, and the dust blowing agent is concentrated recycling.
(5) air in simultaneously between negative-pressure operation is also collected and is discharged into air cleaning system and purifies, and reclaims foaming agent gas, i.e. secondary purification;
(6) comminuting matter is transported to outside the closed job-shop, carries out sorting, packing pack.
The described pulverizing of step (3) can be divided into one-level fragmentation and two-stage crushing, makes electrical equipment can be crushed to the size that meets the requirements.Described one-level fragmentation is meant that the electrical equipment casing lump material to disintegrating carries out pulverization process, and described two-stage crushing is meant through the further pulverization process of the material of one-level fragmentation, obtains the material of smaller szie.
The pressure of described operation room is-50～-150Pa.
Of the present invention further comprising the steps of: as, and in the duration of work that carries out the waste electrical equipment recycling, cleaned air passes to be taken a sample by the exhaust blower air draft is set in air cleaning system, detect its index at described exhaust blower place; According to testing result the apparatus operating parameters in the waste electrical equipment recovery and processing system is adjusted, guaranteed that operation room is interior with fresh air, avoid operating personnel's health is damaged.
Adopt control automatically to start air cleaning system in the described step (4), sensor and automatic control switch promptly are set in operation room, change by temperature, humidity, harmful gas concentration and pressure reduction in the sensor sensing operation room, start air cleaning system by automatic control switch, reclaim pulverizing the dust and the pernicious gas that produce, regulate the temperature in the operation room simultaneously, the air that is cleaned advances in the operation room from new row, thus the pressure in the holding chamber.
The present invention compared with prior art has following beneficial effect:
(1) be provided with between negative-pressure operation and air cleaning system, keeping operation room to be in negative pressure state, dust and pernicious gas can only be discharged and processed recovery from gathering system circulation and discharging air port, and the discharging of can unprocessedly not overflowing, even under the situation that the stream of people and logistics free in and out, prevent to produce secondary pollution.
(2) owing to foaming agent gas content in the operation room air is lower, regulate and circular treatment by room air, pernicious gas is adsorbed concentrated in conjunction with adsorbent bed etc., realize the regeneration of adsorbent bed then by thermal desorption, the high concentration air-flow that thermal desorption is come out carries out condensation again, makes it to separate to recycle.
(3) at operation room sensor is set, prevents that dust and flammable explosive gas from reaching ignition and explosion limit; By operation room dust concentration, harmful gas concentration are monitored in real time, control circular treatment speed, exhaust air rate and new wind magnitude of recruitment guarantee the personnel operation environment and the security of operation room.
(4) between circulating fan and waste gas absorber, exhaust blower is set, can be herein to its index of cleaned air passes sampling detection, monitor and adjust the duty and the additional fresh air of air cleaning system in time, keep pure and fresh to guarantee the air in the workplace.
(5) before pulverizing by manually waste electrical equipment being disassembled, be broken down into lump material, pulverize with complete machine of the prior art and compare, the present invention has reduced crush strength, thereby has reduced the cost of device fabrication, maintenance.
(6) processing method of the present invention still adopts and manually carries out preliminary treatment, and this is the labour who has made full use of China's abundant, when having created job opportunity, has also reduced the cost of device fabrication, operation and maintenance.
Description of drawings
Fig. 1 is the structure chart of waste electrical equipment recovery and processing system of the prior art;
Fig. 2 waste electrical equipment recovery processing technique of the prior art flow diagram;
Fig. 3 is the technological process block-diagram of the embodiment of the invention one;
Fig. 4 is a waste electrical equipment recovery and processing system structure chart of the present invention;
Fig. 5 is the waste electrical equipment recovery and processing system structure chart of the embodiment of the invention two.
The specific embodiment
Embodiment one:
Waste electrical equipment recovery and processing system shown in Figure 4 is one embodiment of the present of invention, it comprises that one is in negative pressure state operation room 1, air cleaning system and a plurality of separator 13, be provided with a plurality of operating desks, many cutting machines 12 and Duo Tai pulverizer 2 in the described operation room, the two ends of described operating desk are connected with indoor cutting machine 12, pulverizer 2 with operation room 1 outside electrical equipment pre-treatment production line 17 respectively by conveyer belt 11, pulverizer 2 is connected with operation room 1 separator 13 outward, thereby the electrical equipment that forms a continuous operation is disassembled the pulverizing flow production line; Described air cleaning system is provided with two collection mouths, and one of them collection mouth is communicated with operation room 1, and another collection mouth passes through conduit 14 and is communicated with the Waste gas outlet of cutting machine 12 and pulverizer 2, enclosure space of 1 formation between whole operation.
Described cutting machine 12 and pulverizer 2 all are provided with filter at its Waste gas outlet place respectively, and the waste gas of discharging is tentatively filtered, and reduce the dust that enters the waste gas in the air cleaning system.
Described operation room 1 also is provided with a ventilating opening 10, is used for the concentration of ozone reduction indoor harmful gas between complement operation, for operating personnel provide good working environment.
Described air cleaning system by a plurality of dedusters 3, organize air-conditioning unit 4, waste gas adsorption condensing retracting device, circulating fan 9 more, described deduster 3, organize air-conditioning unit 4, waste gas adsorption condensing retracting device, circulating fan 9 more and connect successively by conduit 14; The exhaust outlet end of described circulating fan 9 is connected with the operation room air inlet.And wherein said waste gas adsorption condensing retracting device is connected and composed successively by waste gas absorber, CFCs desorption separator 6 and returnable bottle 7, and wherein CFCs desorption separator 6 and returnable bottle 7 are one or more.Described returnable bottle is settled a LOAD CELLS 8 that is connected with gauge tap 15 7 times, controls the switching of 7 of returnable bottles automatically.
Described waste gas absorber comprises adsorbent bed 5, described adsorbent bed 5 is made of the parallel connection of many groups Alveolate activated carbon capable absorption fixed bed, can switch in turn between described Alveolate activated carbon capable absorption fixed bed and adsorb and desorption and regeneration, guarantee the continuous service of production status and production.
Described deduster 3 is the lauter tub filter, and its floor space is little, and the filter efficiency height can filter the polyurethane dust, plastics dust and the metallic dust that produce after the waste electrical equipment fragmentation, and these dust collections are reclaimed.
9 of waste gas absorber in the described air cleaning system and circulating fans also are provided with exhaust blower 16.
Waste electrical equipment recovery processing technique flow process shown in Figure 3 is to use the method for above-mentioned waste electrical equipment recovery and processing system, and it may further comprise the steps:
(1) on pre-treatment production line 17, waste electrical equipment is carried out craft and disassemble, remove inside gadget, parts and the compressor of electrical equipment, and the gas mixture in the separate compressors;
(2) will through pretreated electrical equipment by conveyer belt 11 be transported to negative pressure-50～-" locked in " operation of 150Pa between in 1, operating personnel cut, separate outer steel plate and heat-insulation layer to electrical equipment; Separating the outer steel plate that obtains can directly reclaim, and delivers to steel mill and carries out freshening.
(3) continue electrical equipment is disassembled into lump material, block stream is delivered into by conveyer belt 11 and carries out one-level pulverizing and secondary pulverizing in the pulverizer 2 then, obtains comminuting matter;
(4) blowing agents that produce in cutting machine 12 in the cutting and grinding process and the pulverizer 2 and dust collection are discharged into carry out first class purification in the air cleaning system and handle, the dust blowing agent is concentrated recycling.
(5) air in simultaneously between negative-pressure operation is also collected and is discharged into air cleaning system and purifies, and reclaims foaming agent gas, i.e. secondary purification;
(6) in air cleaning system by the exhaust blower air draft is set, and in the duration of work that carries out the waste electrical equipment recycling, cleaned air passes is taken a sample at described exhaust blower 18 places, detect it and whether up to standardly refer to; And in time each apparatus operating parameters in the waste electrical equipment recovery and processing system is adjusted according to testing result, and replenish fresh air at ventilating opening 10 places, guarantee in the operation room with fresh airly, avoid operating personnel's health is damaged.
(7) comminuting matter is transported to separator 13 outside the closed job-shop, carries out sorting, packing pack.
Described adsorbent bed 5 can stick with glue the based active carbon fiber felt, macroreticular resin is replaced.
In addition, directly connect between deduster 3 in the air cleaning system and the waste gas adsorption condensing retracting device, the air-conditioning unit can be set.
For controlling the switching of many group adsorbent beds 5 in real time, can the gas concentration real-time detector be set respectively at the exhaust gas inlet end and the port of export of adsorbent bed 5, the foaming agent gas concentration of the entrance point and the port of export by real-time detection adsorbent bed 5, judge whether adsorbent bed 5 reaches capacity, when entrance point and port of export foaming agent gas concentration difference are little, it is saturated that proof adsorbent bed 5 has reached absorption, need carry out switching or carrying out between the group of adsorbent bed thermal desorption.
Embodiment two
The described waste electrical equipment recovery and processing system of Fig. 5 is an another embodiment of the invention, what they were different with embodiment one is: utilize prior art automatic control technology commonly used, a plurality of sensors 18 of difference in functionality are set in described operation room 1, described sensor 18 is connected with automaton 15, is used for controlling air cleaning system work according to the variation of temperature, humidity, harmful gas concentration and pressure reduction actual in the operation room.
What waste electrical equipment recovery and treatment method and embodiment one were different is: when conducting powder is broken, the variation of temperature, humidity, harmful gas concentration and the pressure reduction of 1 li reality between each sensor 18 automatic inductive operation, automaton 15 starts air cleaning system work automatically according to the detected parameters of sensor, realizes self-purging control.
Claims (10)
1. waste electrical equipment recovery and processing system, it is characterized in that: it comprises and is in negative pressure state operation room (1), air cleaning system and separator (13), be provided with at least one operating desk and at least one pulverizer (2) in the described operation room (1), the two ends of described operating desk are connected with indoor pulverizer (2) with the outside electrical equipment pre-treatment production line of operation room (1) respectively by conveyer belt, described pulverizer (2) is connected with operation room (1) separator (13) outward, and the electrical equipment that forms a continuous operation is disassembled flow production line; Described air cleaning system is provided with two collection mouths, and one of them collection mouth is communicated with operation room (1), and another is collected mouth and is communicated with enclosure space of (1) formation between whole operation with the Waste gas outlet of cutting machine (12) and pulverizer (2).
2. recovery and processing system according to claim 1, it is characterized in that: described air cleaning system comprises deduster (3), waste gas adsorption condensing retracting device, circulating fan (9), and described deduster (3), waste gas adsorption condensing retracting device, circulating fan (9) connect successively by conduit (14); The air intake of described deduster (3) is connected with the exhaust outlet of operation room (1), and the exhaust outlet end of described circulating fan (9) is connected with operation room (1) air inlet.
3. recovery and processing system according to claim 2 is characterized in that: described waste gas adsorption condensing retracting device is connected and composed successively by waste gas absorber, CFCs desorption separator (6) and returnable bottle (7).
4. recovery and processing system according to claim 3 is characterized in that: described waste gas absorber comprises that at least one group of adsorbent bed (5) constitutes, and described respectively the group between adsorbent bed (5) is connected in parallel; Described adsorbent bed (5) is charcoal absorption fixed bed or macroreticular resin.
5. recovery and processing system according to claim 2, it is characterized in that: described air cleaning system is also wrapped at least one air-conditioning unit (4), the air intake of described air-conditioning unit (4) is connected with the outlet air end of deduster (3), and its outlet air end is connected with described waste gas adsorption condensing retracting device.
6. recovery and processing system according to claim 1 is characterized in that: described operation room (1) also is provided with a ventilating opening.
7. recovery and treatment method that utilizes the described waste electrical equipment recovery and processing system of claim 1 to carry out waste electrical equipment, it may further comprise the steps:
(1) on pre-treatment production line, waste electrical equipment is disassembled, removed inside gadget, parts and the compressor of electrical equipment, and remove the gas mixture in the compressor;
(2) will be transported in the negative-pressure sealed workshop by conveyer belt through pretreated electrical equipment, operating personnel cut, separate outer steel plate and heat-insulation layer to electrical equipment; Separating the outer steel plate that obtains directly reclaims;
(3) electrical equipment that will remove outer steel plate continues to resolve into lump material, lump material is delivered in the pulverizer by conveyer belt pulverizes then, obtains comminuting matter;
(4) blowing agent that produces in cutting machine and the pulverizer in the cutting and grinding process and dust collection are discharged into and carry out the first class purification processing in the air cleaning system, and the dust blowing agent is concentrated recycling.
(5) air in simultaneously between negative-pressure operation is also collected and is discharged into air cleaning system and purifies, and reclaims foaming agent gas, i.e. secondary purification;
(6) comminuting matter is transported to outside the closed job-shop, carries out sorting, packing pack.
8. recovery and treatment method according to claim 7 is characterized in that: the described pulverizing of step (3) can be divided into one-level fragmentation and two-stage crushing.
9. recovery and treatment method according to claim 7, it is characterized in that: further comprising the steps of: in air cleaning system by the exhaust blower air draft is set, and in the duration of work that carries out the waste electrical equipment recycling, at described exhaust blower place cleaned air passes is taken a sample, detect its index; According to testing result the apparatus operating parameters in the waste electrical equipment recovery and processing system is adjusted.
10. recovery and treatment method according to claim 7 is characterized in that: adopting automatically in the described step (4), control starts air cleaning system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710032389A CN100574907C (en) | 2007-12-12 | 2007-12-12 | A kind of waste electrical equipment recovery and processing system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710032389A CN100574907C (en) | 2007-12-12 | 2007-12-12 | A kind of waste electrical equipment recovery and processing system and method |
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| CN101181713A true CN101181713A (en) | 2008-05-21 |
| CN100574907C CN100574907C (en) | 2009-12-30 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381474B (en) * | 2008-10-21 | 2010-11-10 | 刘景洋 | Safe reuse method of polyurethane rigid foam |
| CN102294342A (en) * | 2011-05-16 | 2011-12-28 | 冯锦祥 | Method for recovering drip irrigation tape |
| CN103084383A (en) * | 2013-02-22 | 2013-05-08 | 广东赢家环保科技有限公司 | Dismounting device for waste printer |
| CN105903750A (en) * | 2016-06-07 | 2016-08-31 | 佳科国际股份有限公司 | Waste and worn electrical appliance recycling and processing equipment |
| CN106902616A (en) * | 2017-04-27 | 2017-06-30 | 东海岸环境科技无锡有限公司 | A kind of pressure swing adsorption system for efficiently separating and reclaiming fluorochlorohydrocarbon |
| CN108910416A (en) * | 2018-08-03 | 2018-11-30 | 南京环务资源再生科技有限公司 | A kind of LCD TV dismantling line feeding mechanism |
| CN110434152A (en) * | 2019-08-14 | 2019-11-12 | 孙永珍 | A kind of computer electronics refuse disposal installation |
-
2007
- 2007-12-12 CN CN200710032389A patent/CN100574907C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101381474B (en) * | 2008-10-21 | 2010-11-10 | 刘景洋 | Safe reuse method of polyurethane rigid foam |
| CN102294342A (en) * | 2011-05-16 | 2011-12-28 | 冯锦祥 | Method for recovering drip irrigation tape |
| CN103084383A (en) * | 2013-02-22 | 2013-05-08 | 广东赢家环保科技有限公司 | Dismounting device for waste printer |
| CN103084383B (en) * | 2013-02-22 | 2015-04-15 | 广东赢家环保科技有限公司 | Dismounting device for waste printer |
| CN105903750A (en) * | 2016-06-07 | 2016-08-31 | 佳科国际股份有限公司 | Waste and worn electrical appliance recycling and processing equipment |
| CN106902616A (en) * | 2017-04-27 | 2017-06-30 | 东海岸环境科技无锡有限公司 | A kind of pressure swing adsorption system for efficiently separating and reclaiming fluorochlorohydrocarbon |
| CN108910416A (en) * | 2018-08-03 | 2018-11-30 | 南京环务资源再生科技有限公司 | A kind of LCD TV dismantling line feeding mechanism |
| CN110434152A (en) * | 2019-08-14 | 2019-11-12 | 孙永珍 | A kind of computer electronics refuse disposal installation |
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|---|---|
| CN100574907C (en) | 2009-12-30 |
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