CN101898196B - Method and device for recycling electronic waste with complex components - Google Patents
Method and device for recycling electronic waste with complex components Download PDFInfo
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- CN101898196B CN101898196B CN201010237019XA CN201010237019A CN101898196B CN 101898196 B CN101898196 B CN 101898196B CN 201010237019X A CN201010237019X A CN 201010237019XA CN 201010237019 A CN201010237019 A CN 201010237019A CN 101898196 B CN101898196 B CN 101898196B
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- 239000010793 electronic waste Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004064 recycling Methods 0.000 title abstract description 4
- 239000007789 gas Substances 0.000 claims abstract description 57
- 239000000047 product Substances 0.000 claims abstract description 48
- 238000000197 pyrolysis Methods 0.000 claims abstract description 37
- 239000002250 absorbent Substances 0.000 claims abstract description 33
- 230000002745 absorbent Effects 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 31
- 239000011256 inorganic filler Substances 0.000 claims abstract description 22
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 22
- 239000012265 solid product Substances 0.000 claims abstract description 17
- 239000007800 oxidant agent Substances 0.000 claims abstract description 15
- 230000001590 oxidative effect Effects 0.000 claims abstract description 14
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 13
- 231100000719 pollutant Toxicity 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003546 flue gas Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 61
- 230000008676 import Effects 0.000 claims description 23
- 238000009826 distribution Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 9
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 238000005243 fluidization Methods 0.000 claims description 4
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 abstract description 3
- 239000003463 adsorbent Substances 0.000 abstract 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 238000011027 product recovery Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 5
- 230000009102 absorption Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 2
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- 238000005336 cracking Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical class N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- 231100000331 toxic Toxicity 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses a method and a device for recycling electronic garbage with complex components, which comprises the following steps: electronic waste pyrolysis: the electronic garbage is crushed and then sent into a fluidized bed for pyrolysis to obtain pyrolysis solid residue and a gas product containing a large amount of tar; and (3) solid product recovery: the pyrolysis solid residue is rubbed with bed materials in the fluidized bed, metal and inorganic filler are separated, the inorganic filler is taken out of the fluidized bed along with gas and is separated, and the metal is discharged from the bottom of the fluidized bed for further separation and recycling; removing pollutants: removing bromine-containing pollutants in the gas product generated in the step (1) under the action of an introduced absorbent, and simultaneously condensing and depositing and adsorbing volatile metal steam in the gas product on the surface of high-temperature thermal adsorbent particles in a fluidized bed; the gas product and the adsorbent particles are separated, and the separated gas product is burnt at high temperature under the action of the introduced oxidant; part of the high-temperature flue gas is introduced into the fluidized bed to be used as a pyrolysis heat source.
Description
Technical field
The present invention relates to field of environment engineering technology, relate in particular to a kind of inorganic filler and metals such as copper, aluminium and carry out the apparatus and method that Separation and Recovery is utilized the complex component electronic waste.
Background technology
Be accompanied by the development that Information technology is maked rapid progress, the quantity of electronic product sharply increases and life cycle constantly shortens, and the generation of electron wastes and treatment and disposal worldwide receive extensive concern.Electron wastes (Waste Electrical and Electronic Equipment; WEEE) also be known as electronic waste (Electronic Waste), comprise household electrical appliance such as various waste computers, communication apparatus, television set and refrigerator and superseded precision electronic device instrument etc.Point out that according to EPA (EPA) report the electron wastes of the U.S. in 2005 reaches 2,630,000 tons, account for 1.1% of Gary house refuse total amount, wherein have only 12.6% to be recycled.
According to statistics; China's electronic product market total scale has reached 1 trillion yuan; The social recoverable amount of China's refrigerator in 2007 is 2.48 hundred million; About 2.87 hundred million of washing machine, about 5.74 hundred million of television set, every year will be with 7,000,000 in refrigerator, 7,500,000 of washing machines, the Velocity Updating of television set more than 1,500 ten thousand.According to another conservative prediction, the recoverable amount of China's computer also has nearly 1.09 hundred million, will have every year 6770000 needs to upgrade.Electronic waste contains 20～50% metal usually, combustibles such as plastics/rubber 10～25%, other inorganic matters about 15～30% such as glass.The common recovery method of electronic waste roughly can be divided into several big type of pyrometallurgical smelting, wet method leaching, mechanical separation etc. at present.
Patent CN200910264657.8 discloses a kind of method for recovering waste household appliances by harmlessness and reclamation, adopt to disassemble and classify, the article that classification is obtained according to the kind difference directly reclaim respectively, methods such as harmless treatment, acidleach handle.Can be to CRT glass, freon CFC, metals etc. reclaim.But this method can not realize the thorough recovery of electronic waste, also needs corresponding subsequent processing.This method is not suitable for The Nomenclature Composition and Structure of Complexes complicated electronic rubbish yet simultaneously.
Above patent does not all relate to and adopts the heat chemistry pyrolysismethod to separate and reclaim removing of inorganic filler and metal and pollutant in the complex component electronic waste.
Summary of the invention
The object of the present invention is to provide and overcome prior art electronic waste is handled seriously polluted resource utilization; The technical problem that treatment effeciency is lower; Providing a kind of deviates to combine with pollutant based on heat chemistry transforming principle, employing pyrolysis; Make full use of the energy resource in the electronic waste, reclaim the method and the device of inorganic filler and metals such as copper, aluminium.
For realizing above purpose, the technical scheme below the present invention has taked: a kind of complex component electronic waste recoverying and utilizing method comprises the steps:
(1) electronic waste pyrolysis: electronic waste is sent into 600～800 ℃ of pyrolysis in the fluid bed after fragmentation, obtains pyrolysis solid residue and the gaseous product that contains a large amount of tar;
(2) solid product reclaims: the pyrolysis solid residue rubs with the bed material in fluid bed, and metal and inorganic filler are separated opens, and inorganic filler is taken fluid bed out of with gas and is separated, and metal is discharged from the fluid bed bottom, further Separation and Recovery utilization;
(3) pollutant removing: the gaseous product that in step (1), produces removes the brominated pollutant in the gas under the absorbent effect that feeds, and the volatile metal vapors in the gaseous product is carried out elevated temperature heat absorbent particles surface condensation deposition and absorbed in fluid bed simultaneously; Gaseous product and absorbent particles are separated to be opened, and the gaseous product after the separation is high-temp combustion under the oxidant effect that feeds; The part high-temperature flue gas feeds in the fluid bed as the pyrolysis thermal source.
The method that complex component electronic waste of the present invention is recycled contains brominated flame-retardant (BFRs) mostly in the electronic waste; In combustion process, can discharge poisonous HBr and organic brominated pollutant; Flue gas also can be taken the part toxic heavy metal out of; Propose to adopt first high temperature pyrolysis, absorption of contaminants again, the processing scheme that final high temperature burns.In fluid bed, electronic waste is carried out pyrolysis; Utilize the violent friction of bed material in the fluid bed simultaneously; Inorganic filler and metal (mainly being metals such as copper, aluminium) in the pyrolysis solid residue are separated in fluid bed; Inorganic filler goes out fluid bed with gaseous product flow, and accumulation of metal is in fluid bed bottom, and discharges from the bottom.Contain a certain amount of tar in the gaseous product.Brominated pollutant in the gaseous product (mainly being HBr) is absorbed under the absorbent effect that sprays into; Simultaneously the metallic vapour (mainly being low boiling metals such as lead, mercury) in the gaseous product also cools off and condenses and be adsorbed on the solid particle, the absorbent granules that sprays into, separates through separator and gaseous product with the inorganic filler particle of gas outflow fluid bed; Final gaseous product is abundant high-temp combustion in burner, and the organic pollution in the gaseous product is thoroughly destroyed.
The bed material of fluid bed generally all is to use SiO
2,, MgO is used in a spot of high temperature fluidized bed meeting, and few having under other specific purposes ground situation can be used other material.In fluid bed when work,, the bed material can be as liquid at the fluid bed inner suspension, and violent moving up and down.The bed material can wash away the pyrolysis solid product as liquid.The metal of electronic waste generally is the surface that is fixed on electronic waste through welding or electric plating method.Plating is at the metal on surface; Because organic matter is decomposed after the pyrolysis; Metal closely is not easy to separate with the contact of inorganic filler; The metal that is welded on the electronic waste surface is owing to the temperature (welding temperature of soldering generally all be lower than 500 ℃) of pyrolysis temperature far above the routine welding, and scolder is easy to and will separates after melting.Under the friction (being similar to of the flushing of washing machine the inside water) of bed material to clothes, inorganic filler and metal separation, lighter inorganic filler is blown out fluid bed by air-flow, and heavier metal is deposited on the fluid bed bottom.
Said absorbent is Powdered CaO or Ca (OH)
2Or CaO and Ca (OH)
2Mixture.
The device that the present invention also provides a kind of complex component electronic waste to recycle comprises the fluid bed, cyclone separator, the turbulent burner that are used for the electronic waste pyrolysis; Be provided with feed arrangement in the fluid bed middle and lower part; Fluid bed is provided with air distribution plate in the bottom, is provided with the solid product outlet near air distribution plate top, in the pipeline of solid product outlet star-like discharge valve is installed, and is provided with inlet for fluidization air in the fluid bed of air distribution plate below; Fluid bed top is provided with the gaseous product outlet; The gaseous product outlet links to each other with the gas feed of cyclone separator through pipeline; The relative side of cyclone separator top and gas feed is provided with the absorbent import, and the cyclone separator top is provided with gas vent, and the bottom is provided with the solid product outlet; Gas vent links to each other with the fuel gas import of turbulent burner through pipeline, also is provided with oxidant inlet on said turbulent burner one end, and exhanst gas outlet.
Said feed arrangement comprises the feeding screw that is connected with said fluid bed, and is arranged on the hopper on the feeding screw.
Said air distribution plate adopts and is in tilted layout, and the angle between air distribution plate and fluid bed sidewall is between 100 °～135 °.Can guarantee that the metal that accumulates in the fluid bed bottom can flow out from the solid product outlet under the self gravitation effect.
Said gas feed and absorbent import are on the same horizontal plane, along circumferential symmetric arrangement; Said combustible gas import and oxidant inlet are on the same horizontal plane, along circumferential symmetric arrangement.
Said gas feed and absorbent import are a plurality of, on the different horizontal face, arrange; Said combustible gas import and oxidant inlet are a plurality of, on different cross sections, arrange.Can in cyclone separator, form stable eddy flow flow field, increase the time of contact of absorbent and gas, improve absorption and separative efficiency; The mixing of accelerating oxidation agent and combustible gas is beneficial to and forms stable combustion flame, adopts turbulent burner in less space, to guarantee gas residence time simultaneously, impels the abundant cracking of tar in the gaseous product.
The equivalent proportion of air product is 1.0～1.2 in the said turbulent burner.Make combustible gas completing combustion, to produce high-temperature flue gas.
The fluidized gas of said fluid bed and pyrolysis thermal source are the high-temperature flue gas that flows out from exhanst gas outlet.The energy has effectively been practiced thrift in the high-temperature flue gas recycle, and operating efficiency is provided.
The present invention compared with prior art has following advantage:
1. adopt the mode of pyrolytic incineration to reclaim inorganic filler and metal in the electronic waste, adaptability to raw material is strong.
2. combine through means such as Pintsch process and absorbent absorptions and remove the harmful substance in the flue gas, processing environment pollutes little.
3. utilize self also has in the electronic waste a small amount of organic heat energy to realize the confession heat treatment of electronic waste, processing cost is low.
This invention simple in structure, compact, be easy to amplify.
Description of drawings
Fig. 1 is a complex component electronic waste recycle device front view of the present invention;
Fig. 2 is a complex component electronic waste recycle device A-A view of the present invention;
Fig. 3 is a complex component electronic waste recycle device B-B view of the present invention;
Description of reference numerals: 1-fluid bed, 2-cyclone separator, 3-turbulent burner, 4-hopper, 5-feeding screw; The 6-air distribution plate, the star-like discharge valve of 7-, 8-inlet for fluidization air, the outlet of 9-solid product; The outlet of 10-gaseous product, 11-gas feed, the import of 12-absorbent, the outlet of 13-solid product; The 14-gas vent, the import of 15-combustible gas, 16-oxidant inlet, 17-exhanst gas outlet.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment content of the present invention is explained further details.
Embodiment:
The method that a kind of complex component electronic waste is recycled comprises the steps:
(1) electronic waste pyrolysis: electronic waste is sent into fluidized bed for pyrolysis after fragmentation, obtains pyrolysis solid residue and the gaseous product that contains a large amount of tar; Pyrolysis temperature in the fluid bed is between 600～800 ℃;
(2) solid product reclaims: the pyrolysis solid residue rubs with the bed material in fluid bed, and metal and inorganic filler are separated opens, and inorganic filler is taken fluid bed out of with gas and is separated, and metal is discharged from the fluid bed bottom, further Separation and Recovery utilization;
(3) pollutant removing: the gaseous product that in step (1), produces removes the brominated pollutant in the gas under the absorbent effect that feeds, and the volatile metal vapors in the gaseous product is carried out elevated temperature heat absorbent particles surface condensation deposition and absorbed in fluid bed simultaneously; Gaseous product and absorbent particles are separated to be opened, and the gaseous product after the separation is high-temp combustion under the oxidant effect that feeds; The part high-temperature flue gas feeds in the fluid bed as the pyrolysis thermal source.
Absorbent can adopt Powdered CaO or Ca (OH)
2Or CaO and Ca (OH)
2Mixture.
See also Fig. 1 to shown in Figure 3, the device that a kind of complex component electronic waste is recycled comprises the fluid bed 1, cyclone separator 2, the turbulent burner 3 that are used for the electronic waste pyrolysis; Be provided with feed arrangement in fluid bed 1 middle and lower part, feed arrangement comprises the feeding screw 5 that is connected with fluid bed 1, and is arranged on the hopper 4 on the feeding screw 5; Fluid bed is provided with air distribution plate 6 in 1 bottom, is provided with solid product outlet 9 near air distribution plate 6 tops, in the pipeline of solid product outlet 9 star-like discharge valve 7 is installed, and is provided with inlet for fluidization air 8 in the fluid bed 1 of air distribution plate 6 belows; Fluid bed 1 top is provided with gaseous product outlet 10; Gaseous product outlet 10 links to each other with the gas feed 11 of cyclone separator 2 through pipeline; Cyclone separator 2 tops and gas feed 11 relative sides are provided with absorbent import 12; Cyclone separator 2 tops are provided with gas vent 14, and the bottom is provided with solid product outlet 13; Gas vent 14 links to each other with the fuel gas import 15 of turbulent burner 3 through pipeline, also is provided with oxidant inlet 16 on turbulent burner 3 one ends, and exhanst gas outlet.
Concrete running of the present invention is following: electronic waste is sent into fluid bed 1 through feeding screw 5 after fragmentation, in fluid bed 1 interior 700 ℃ of following pyrolysis, obtains pyrolysis solid residue and the gaseous product that contains a large amount of tar; Through the friction of bed material, metal is separated with inorganic filler the pyrolysis solid residue in fluid bed 1, and metal is finally discharged from the fluid bed bottom, recycles; Inorganic filler goes out fluid bed 1 with gaseous product flow, and in cyclone separator 2, is separated; Gaseous product is introduced into cyclone separator 2 under the CaO powder effect that absorbent import 12 sprays into, and the acid brominated pollutant HBr in the gaseous product is absorbed, and be condensed is adsorbed on absorbent surface to the metallic vapour in the gaseous product (mainly being plumbous, mercury) simultaneously; Gaseous product is separated by cyclone separator 2 with solid particle (absorbent and inorganic filler), and inorganic filler obtains recycling through further handling; Gaseous product gets into turbulent burner 3, and high temperature fully burns in turbulent burner under the air that feeds from oxidant inlet 16, and the tar in the gaseous product is thoroughly transformed.Part; High-temperature flue gas is introduced into fluid bed 1, as the pyrolysis thermal source of fluid bed.
Above-listed detailed description is to the specifying of possible embodiments of the present invention, and this embodiment is not in order to limiting claim of the present invention, and the equivalence that all the present invention of disengaging do is implemented or change, all should be contained in the claim of this case.
Claims (9)
1. the method that the complex component electronic waste is recycled is characterized in that, comprises the steps:
(1) electronic waste pyrolysis: electronic waste is sent into 600～800 ℃ of pyrolysis in the fluid bed after fragmentation, obtains pyrolysis solid residue and the gaseous product that contains a large amount of tar;
(2) solid product reclaims: the pyrolysis solid residue rubs with the bed material in fluid bed, and metal and inorganic filler are separated opens, and inorganic filler is taken fluid bed out of with gas and is separated, and metal is discharged from the fluid bed bottom, further Separation and Recovery utilization;
(3) pollutant removing: the gaseous product that in step (1), produces removes the brominated pollutant in the gas under the absorbent effect that feeds, and the volatile metal vapors in the gaseous product is in fluid bed, in elevated temperature heat absorbent particles surface condensation deposition and absorb simultaneously; Gaseous product and absorbent particles are separated to be opened, and the gaseous product after the separation is high-temp combustion under the oxidant effect that feeds; The part high-temperature flue gas feeds in the fluid bed as the pyrolysis thermal source.
2. the method that complex component electronic waste as claimed in claim 1 is recycled, it is characterized in that: said absorbent is Powdered CaO or Ca (OH)
2Or CaO and Ca (OH)
2Mixture.
3. the device that the complex component electronic waste is recycled is characterized in that: comprise the fluid bed (1), cyclone separator (2), the turbulent burner (3) that are used for the electronic waste pyrolysis; Be provided with feed arrangement in fluid bed (1) middle and lower part; Fluid bed (1) is provided with air distribution plate (6) in the bottom, is provided with solid product outlet (9) near air distribution plate (6) top, in the pipeline of solid product outlet (9) star-like discharge valve (7) is installed, and is provided with inlet for fluidization air (8) in the fluid bed (1) of air distribution plate (6) below; Fluid bed (1) top is provided with gaseous product outlet (10); Gaseous product outlet (10) links to each other with the gas feed (11) of cyclone separator (2) through pipeline; Cyclone separator (a 2) top side relative with gas feed (11) is provided with absorbent import (12); Cyclone separator (2) top is provided with gas vent (14), and the bottom is provided with solid product outlet (13); Gas vent (14) links to each other with the fuel gas import (15) of turbulent burner (3) through pipeline, also is provided with oxidant inlet (16) and exhanst gas outlet (17) on said turbulent burner (3) one ends.
4. the device that complex component electronic waste as claimed in claim 3 is recycled, it is characterized in that: said feed arrangement comprises the feeding screw (5) that is connected with said fluid bed (1), and is arranged on the hopper (4) on the feeding screw (5).
5. the device that complex component electronic waste as claimed in claim 3 is recycled is characterized in that: said air distribution plate (6) adopts and is in tilted layout, and the angle between air distribution plate (6) and fluid bed (1) sidewall is between 100 °～135 °.
6. the device that complex component electronic waste as claimed in claim 3 is recycled, it is characterized in that: said gas feed (11) and absorbent import (12) are on the same cross section, along circumferential symmetric arrangement; Said combustible gas import (15) and oxidant inlet (16) are on the same cross section, along circumferential symmetric arrangement.
7. the device that complex component electronic waste as claimed in claim 3 is recycled is characterized in that: said gas feed (11) and absorbent import (12) are arranged on the different horizontal face for a plurality of; Said combustible gas import (15) and oxidant inlet (16) are a plurality of, on different cross sections, arrange.
8. the device that complex component electronic waste as claimed in claim 3 is recycled, it is characterized in that: the equivalent proportion of the interior air product of said turbulent burner (3) is 1.0～1.2.
9. the device that complex component electronic waste as claimed in claim 3 is recycled is characterized in that: the fluidized gas of said fluid bed (1) and the pyrolysis thermal source high-temperature flue gas for flowing out from exhanst gas outlet (17).
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| CN102694217B (en) * | 2011-03-22 | 2016-01-20 | 东莞新能源科技有限公司 | A kind of method for recycling anode material of lithium ion battery |
| CN105509062B (en) * | 2016-01-20 | 2017-07-07 | 南京工业大学 | Full-scale continuous pyrolysis incineration device for electronic and electric appliance wastes |
| CN105713641B (en) * | 2016-04-25 | 2017-09-29 | 华中科技大学 | The flame retardant waste plastic pyrolysis catalytic debrominate of bromine system prepares the device and method of pyrolysis oil |
| CN107726331B (en) * | 2017-09-04 | 2019-05-07 | 邹资生 | Wiring board burns smelting furnace and wiring board burns smelting process |
| CN113336350B (en) * | 2021-07-01 | 2023-02-03 | 华东理工大学 | Coal-to-hydrogen ash dehydration method and device without flocculating agent consumption |
| CN115337874A (en) * | 2022-09-15 | 2022-11-15 | 南京理工大学 | Membrane-breaking reaction method for metal fuel particle fluidized bed |
| CN117091138B (en) * | 2023-10-17 | 2024-03-01 | 中鹏未来有限公司 | Household garbage thermal conversion-thermal separation coupling process and device |
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| CN100531943C (en) * | 2006-09-16 | 2009-08-26 | 大连理工大学 | Electronic refuse treatment method |
| CN101444784B (en) * | 2008-12-22 | 2011-05-11 | 中南大学 | Method and device for high-efficiency recovery of waste circuit boards in vacuum |
| CN101585042B (en) * | 2009-05-31 | 2012-09-05 | 中国矿业大学 | Aqueous medium physical recovering art for valuable components in waste circuit board and device thereof |
| CN101767104A (en) * | 2009-12-21 | 2010-07-07 | 大连理工大学 | Pyrolysis based resource reclaiming process of waste circuit board |
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