CN106734088A - A kind of recovery and treatment method of waste mobile phone - Google Patents
A kind of recovery and treatment method of waste mobile phone Download PDFInfo
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- CN106734088A CN106734088A CN201611201250.7A CN201611201250A CN106734088A CN 106734088 A CN106734088 A CN 106734088A CN 201611201250 A CN201611201250 A CN 201611201250A CN 106734088 A CN106734088 A CN 106734088A
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- mobile phone
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- waste
- waste mobile
- treatment method
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- 239000002699 waste material Substances 0.000 title claims abstract description 60
- 238000011084 recovery Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 18
- 239000004033 plastic Substances 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 17
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims abstract description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000002245 particle Substances 0.000 claims description 18
- 239000011802 pulverized particle Substances 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 6
- 230000006378 damage Effects 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- AEJIMXVJZFYIHN-UHFFFAOYSA-N copper;dihydrate Chemical compound O.O.[Cu] AEJIMXVJZFYIHN-UHFFFAOYSA-N 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 3
- 229910003445 palladium oxide Inorganic materials 0.000 claims description 3
- JQPTYAILLJKUCY-UHFFFAOYSA-N palladium(ii) oxide Chemical compound [O-2].[Pd+2] JQPTYAILLJKUCY-UHFFFAOYSA-N 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000010944 silver (metal) Substances 0.000 claims description 3
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- 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
- Y02W30/62—Plastics recycling; Rubber recycling
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of recovery and treatment method of waste mobile phone, the recovery and treatment method of the waste mobile phone is comprised the following steps that：S1：The collection of waste mobile phone；S2：Cleaning；S3：Disassemble；S4：Plastics recovery；S5：The recovery of copper sheet in waste lithium cell；S6：Separating twice treatment；S7：Separate；S8：Circuit board is crushed；S9：The recovery of circuit board non-ferrous metal；S10：The separation and recovery of mobile phone screen polaroid.The recovery and treatment method of the strict control ring waste mobile phone of the present invention, the present invention realizes the recycling of waste mobile phone, effectively by plastics recycling, simultaneously the non-ferrous metal in lithium battery and circuit board is efficiently separated out and recycled, avoid pollution of the waste mobile phone material to environment, the recovery and treatment method of the waste mobile phone, has the advantages that reasonable in design and safe and practical, can be used with popularity.
Description
Technical field
The present invention relates to waste mobile phone recovery technology field, specially a kind of recovery and treatment method of waste mobile phone.
Background technology
Waste mobile phone is mainly made up of several parts such as plastic casing, lithium battery, wiring board, display.Contain in these parts
Have the poisonous and harmful substances such as lead, chromium, mercury, such as it is mishandling or arbitrarily abandon will severe contamination soil and groundwater, to the mankind
Healthy composition grave danger.Also have containing brominated flame-retardants such as PBBs, PBDEs in old circuit board
Carcinogenic, teratogenesis, mutagenic harm.Plastics can also produce harmful gas in combustion.Contain in waste mobile phone
There are a small amount of valuable metal, particularly noble metal, with recycle value.One research display, in theory, from 1 ton of waste mobile phone
In can extract 0.45 kilogram of gold, 130 kilograms of copper and 20 kilograms of tin.If can recycle, either from economic benefits, resource
Comprehensive utilization, or environmental protection angle, the high efficiente callback and utilization of waste mobile phone, are all of great significance.
The responsible party that waste mobile phone is reclaimed mainly includes handset manufacturers, telecom operators, mobile phone retailer, second-hand hand
Machine business, mobile phone disassemble business and consumer.At present, mobile phone reclaims legal liabilities, the financial responsibility not having during clear stipulaties
And corresponding rights and obligations etc..The indefinite of responsible party causes mobile phone removal process randomness more obvious.At present, big portion
Point recovery mobile phone by flowing into second-hand market after classification treatment, renovation, in peddling consumer's hand again；Can not directly use
Mobile phone, then disassemble treatment by simple, and part can be recycled with parts, and other are then abandoned as rubbish；Cannot make completely
Then directly as incineration treatment of garbage, not only cause to waste, and can severe contamination environment.
The content of the invention
It is an object of the invention to provide a kind of recovery and treatment method of waste mobile phone, to solve to be carried in above-mentioned background technology
The problem for going out.
To achieve the above object, the present invention provides following technical scheme：A kind of recovery and treatment method of waste mobile phone, this gives up
The recovery and treatment method of old mobile phone is comprised the following steps that：
S1：The collection of waste mobile phone, the waste mobile phone that purchase is collected on the market is placed at one, and labelled；
S2：Cleaning, the waste mobile phone washing that will be collected into S1 is clean, and is dried in dryer, drying temperature control
At 50-60 DEG C；
S3：Disassemble, waste mobile phone is disassembled using instrument is come, plastic housing unification is collected at A, by waste lithium cell
It is unified to collect at B, circuit board unification is collected at C, mobile phone screen unification is collected at D；
S4：Plastics recovery, refining is molten during waste or used plastics shell is placed on into refining smelting furnace, and refining melting temperatur control is used at 70-200 DEG C
Make other plastic products；
S5：The recovery of copper sheet in waste lithium cell, preliminary crushing, pulverized particles are carried out by waste lithium cell in boulder crusher
Size control recycles vibratory sieve to separate the intragranular copper sheet crushed in 2-4mm；
S6：Pulverized particles in S5 are carried out separating twice by separating twice treatment in atomizer, control pulverized particles
Size is between 0.1-0.3mm；
S7：Separate, the particle that will be crushed in S6 is put into microstage grader, and control process granularity is between 0.1-0.25mm
Particle separate at one, then particle of the control process granularity between 0.25-0.3mm is separated at another place；
S8：Circuit board crush, circuit board is crushed in atomizer, pulverized particles control 0.1-0.3mm it
Between；
S9：The recovery of circuit board non-ferrous metal, the particle that will be crushed in S8 is poured into the concentrated nitric acid that concentration is 65%, immersion
20-30 minutes, Pd, Cu, Ag are dissolved, gold is all stayed in residue and reclaimed, then the chlorination that concentration is 10% will be added in solution
Sodium solution so that AgCl precipitate and separates, the solution of separation adds water and boils, palladium oxide precipitate and separate out, remaining remaining Cu
Solution, adds the sodium hydroxide solution that concentration is 5%, is settled out Kocide SD；
S10：The separation and recovery of mobile phone screen polaroid, by mobile phone screen be immersed in concentration in 5% acetone soln and plus
Heat, heating-up temperature is 230-240 DEG C, and the caking property between destruction glass substrate and polaroid makes the clearance of polaroid up to 90%.
Preferably, the dryer for being used in the step S2 is tower dryer.
Preferably, the boulder crusher rotating speed of the step S5 is 1200 turns/min.
Preferably, the rotating speed of the atomizer in the step S6 and S8 is 3000 turns/min.
Preferably, in the step S7 pulverized particles, the grade of copper is 92.4% in broken material of the particle diameter more than 0.25mm,
And the grade of carbon dust is 96.6% in broken material of the particle diameter less than 0.125mm, can directly reclaim.
Compared with prior art, the beneficial effects of the invention are as follows：The recycling of the strict control ring waste mobile phone of the present invention
Method, the present invention realizes the recycling of waste mobile phone, effectively by plastics recycling, while by lithium battery and circuit board
Non-ferrous metal is efficiently separated out and recycled, it is to avoid pollution of the waste mobile phone material to environment, the recovery of the waste mobile phone
Processing method, has the advantages that reasonable in design and safe and practical, can be used with popularity.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
A kind of recovery and treatment method of waste mobile phone, the recovery and treatment method of the waste mobile phone is comprised the following steps that：
S1：The collection of waste mobile phone, the waste mobile phone that purchase is collected on the market is placed at one, and labelled；
S2：Cleaning, the waste mobile phone washing that will be collected into S1 is clean, and is dried in dryer, drying temperature control
At 50-60 DEG C；
S3：Disassemble, waste mobile phone is disassembled using instrument is come, plastic housing unification is collected at A, by waste lithium cell
It is unified to collect at B, circuit board unification is collected at C, mobile phone screen unification is collected at D；
S4：Plastics recovery, refining is molten during waste or used plastics shell is placed on into refining smelting furnace, and refining melting temperatur control is used at 70-200 DEG C
Make other plastic products；
S5：The recovery of copper sheet in waste lithium cell, preliminary crushing, pulverized particles are carried out by waste lithium cell in boulder crusher
Size control recycles vibratory sieve to separate the intragranular copper sheet crushed in 2-4mm；
S6：Pulverized particles in S5 are carried out separating twice by separating twice treatment in atomizer, control pulverized particles
Size is between 0.1-0.3mm；
S7：Separate, the particle that will be crushed in S6 is put into microstage grader, and control process granularity is between 0.1-0.25mm
Particle separate at one, then particle of the control process granularity between 0.25-0.3mm is separated at another place；
S8：Circuit board crush, circuit board is crushed in atomizer, pulverized particles control 0.1-0.3mm it
Between；
S9：The recovery of circuit board non-ferrous metal, the particle that will be crushed in S8 is poured into the concentrated nitric acid that concentration is 65%, immersion
20-30 minutes, Pd, Cu, Ag are dissolved, gold is all stayed in residue and reclaimed, then the chlorination that concentration is 10% will be added in solution
Sodium solution so that AgCl precipitate and separates, the solution of separation adds water and boils, palladium oxide precipitate and separate out, remaining remaining Cu
Solution, adds the sodium hydroxide solution that concentration is 5%, is settled out Kocide SD；
S10：The separation and recovery of mobile phone screen polaroid, by mobile phone screen be immersed in concentration in 5% acetone soln and plus
Heat, heating-up temperature is 230-240 DEG C, and the caking property between destruction glass substrate and polaroid makes the clearance of polaroid up to 90%.
The dryer used in the step S2 is tower dryer.
The boulder crusher rotating speed of the step S5 is 1200 turns/min.
The rotating speed of the atomizer in the step S6 and S8 is 3000 turns/min.
In the step S7 pulverized particles, the grade of copper is 92.4% in broken material of the particle diameter more than 0.25mm, and particle diameter
The grade of carbon dust is 96.6% in broken material less than 0.125mm, can directly be reclaimed.
The recovery and treatment method of the strict control ring waste mobile phone of the present invention, the present invention realizes the recycling of waste mobile phone, has
Effect by plastics recycling, while the non-ferrous metal in lithium battery and circuit board is efficiently separated out recycling, it is to avoid
Pollution of the waste mobile phone material to environment, the recovery and treatment method of the waste mobile phone, with reasonable in design and safe and practical etc.
Advantage, can be used with popularity.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of recovery and treatment method of waste mobile phone, it is characterised in that：The recovery and treatment method specific steps of the waste mobile phone
It is as follows：
S1：The collection of waste mobile phone, the waste mobile phone that purchase is collected on the market is placed at one, and labelled；
S2：Cleaning, the waste mobile phone washing that will be collected into S1 is clean, and is dried in dryer, and drying temperature is controlled in 50-
60℃；
S3：Disassemble, waste mobile phone is disassembled using instrument is come, plastic housing unification is collected at A, waste lithium cell is unified
Collect at B, circuit board unification is collected at C, mobile phone screen unification is collected at D；
S4：Plastics recovery, refining is molten during waste or used plastics shell is placed on into refining smelting furnace, and refining melting temperatur is controlled at 70-200 DEG C, for making
Other plastic products；
S5：The recovery of copper sheet in waste lithium cell, preliminary crushing, pulverized particles size are carried out by waste lithium cell in boulder crusher
Control recycles vibratory sieve to separate the intragranular copper sheet crushed in 2-4mm；
S6：Pulverized particles in S5 are carried out separating twice by separating twice treatment in atomizer, control the size of pulverized particles
Between 0.1-0.3mm；
S7：Separate, the particle that will be crushed in S6 is put into microstage grader, control process granularity between 0.1-0.25mm
Grain is separated at one, then particle of the control process granularity between 0.25-0.3mm is separated at another place；
S8：Circuit board is crushed, and circuit board is crushed in atomizer, and pulverized particles are controlled between 0.1-0.3mm；
S9：The recovery of circuit board non-ferrous metal, the particle that will be crushed in S8 is poured into the concentrated nitric acid that concentration is 65%, soaks 20-
30 minutes, dissolve Pd, Cu, Ag, gold is all stayed in residue and reclaimed, then the sodium chloride for adding concentration to be 10% in solution is molten
Liquid so that AgCl precipitate and separates, the solution of separation adds water and boils, palladium oxide precipitate and separate out, remaining remaining Cu solution,
The sodium hydroxide solution that concentration is 5% is added, Kocide SD is settled out；
S10：The separation and recovery of mobile phone screen polaroid, concentration is immersed in 5% acetone soln and to heat by mobile phone screen, plus
Hot temperature is 230-240 DEG C, and the caking property between destruction glass substrate and polaroid makes the clearance of polaroid up to 90%.
2. the recovery and treatment method of a kind of waste mobile phone according to claim 1, it is characterised in that：Adopted in the step S2
Dryer is tower dryer.
3. the recovery and treatment method of a kind of waste mobile phone according to claim 1, it is characterised in that：The step S5's is thick
Broken machine rotating speed is 1200 turns/min.
4. the recovery and treatment method of a kind of waste mobile phone according to claim 1, it is characterised in that：The step S6 and S8
In atomizer rotating speed be 3000 turns/min.
5. the recovery and treatment method of a kind of waste mobile phone according to claim 1, it is characterised in that：The step S7 is crushed
In particle, the grade of copper is 92.4% in broken material of the particle diameter more than 0.25mm, and carbon in broken material of the particle diameter less than 0.125mm
The grade of powder is 96.6%, can directly be reclaimed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201250.7A CN106734088A (en) | 2016-12-22 | 2016-12-22 | A kind of recovery and treatment method of waste mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201250.7A CN106734088A (en) | 2016-12-22 | 2016-12-22 | A kind of recovery and treatment method of waste mobile phone |
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| Publication Number | Publication Date |
|---|---|
| CN106734088A true CN106734088A (en) | 2017-05-31 |
Family
ID=58899770
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| CN201611201250.7A Pending CN106734088A (en) | 2016-12-22 | 2016-12-22 | A kind of recovery and treatment method of waste mobile phone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706462A (en) * | 2018-12-27 | 2019-05-03 | 东莞市誉铭新精密技术股份有限公司 | A kind of method utilized again after antenna for mobile phone steel disc processing |
| CN111229788A (en) * | 2020-03-09 | 2020-06-05 | 玉环市瑞江电脑有限公司 | A recovery unit for old and useless mobile terminal |
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| 李汝雄等: "废旧手机中有价金属的回收", 《环境保护》 * |
| 阮久莉等: "废液晶显示器资源化技术进展及问题与对策", 《环境科学与技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706462A (en) * | 2018-12-27 | 2019-05-03 | 东莞市誉铭新精密技术股份有限公司 | A kind of method utilized again after antenna for mobile phone steel disc processing |
| CN111229788A (en) * | 2020-03-09 | 2020-06-05 | 玉环市瑞江电脑有限公司 | A recovery unit for old and useless mobile terminal |
| CN111229788B (en) * | 2020-03-09 | 2020-09-04 | 玉环市瑞江电脑有限公司 | A recovery unit for old and useless mobile terminal |
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Application publication date: 20170531 |