CN106185941A - The system and method that a kind of waste and old electronic product processes - Google Patents
The system and method that a kind of waste and old electronic product processes Download PDFInfo
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- CN106185941A CN106185941A CN201610754818.1A CN201610754818A CN106185941A CN 106185941 A CN106185941 A CN 106185941A CN 201610754818 A CN201610754818 A CN 201610754818A CN 106185941 A CN106185941 A CN 106185941A
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- 239000002699 waste material Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000008569 process Effects 0.000 title claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 64
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000000197 pyrolysis Methods 0.000 claims abstract description 61
- 239000007787 solid Substances 0.000 claims abstract description 49
- 239000005997 Calcium carbide Substances 0.000 claims abstract description 38
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims abstract description 14
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 85
- 238000000926 separation method Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 11
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 235000019738 Limestone Nutrition 0.000 claims description 4
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 239000002737 fuel gas Substances 0.000 claims description 4
- 239000006028 limestone Substances 0.000 claims description 4
- 239000002893 slag Substances 0.000 claims description 4
- 230000007062 hydrolysis Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 abstract description 7
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 89
- 239000003921 oil Substances 0.000 description 35
- 229910052755 nonmetal Inorganic materials 0.000 description 15
- 239000002956 ash Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 230000000153 supplemental effect Effects 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000007885 magnetic separation Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000013589 supplement Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229960004424 carbon dioxide Drugs 0.000 description 4
- 229910002090 carbon oxide Inorganic materials 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000571 coke Substances 0.000 description 3
- 239000010793 electronic waste Substances 0.000 description 3
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000003317 industrial substance Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- -1 hydrogen methane carbon monoxide Chemical class 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007158 vacuum pyrolysis Methods 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention discloses the system and method that a kind of waste and old electronic product processes.This system includes: pretreatment unit, separative element, mixed cell, pyrolysis unit and carbide production unit.The method utilizing this system to process Waste ammunition comprises the following steps: (1) pretreatment: Waste ammunition is disassembled and crushed；(2) separate: pretreatment product fine crushing, sorting isolated nonmetallic product；(3) mixing: nonmetallic product mixes with calcio raw material；(4) pyrolysis: mixing afterproduct pyrolysis generates high-temperature oil gas and solid carbon thing, collects high-temperature oil gas, solid carbon thing discharging；(5) carbide produces: solid carbon thing obtains carbide in furnace of calcium carbide reaction.Recovery and the carbide of Waste ammunition are produced coupling by the present invention, it is achieved the resource of Waste ammunition recycles and reduces carbide production cost.
Description
Technical field
The invention belongs to solid waste resource recovery process field, particularly relate to a kind of waste and old electronic product process is
System and method.
Background technology
Along with science and technology high speed development, during waste electric products and electronic product machining formed leftover pieces also with day
All increasings.The 1% of municipal refuse is accounted for respectively in developed country such as Japan, the U.S., European Union's electronic waste annual production, 2-5% and 4%,
And with the speed increment of every 5 years 16%-28%, it is 3-5 times of municipal refuse growth rate.This situation is the tightest in China
Weight, China is the most populous, simultaneously or developed country dumps the main place of electronic waste, the data display U.S. 80%
Electronic waste exports to Asia, wherein 90% enters China.
The technology recycled about useless circuit board both at home and abroad mainly include mechanical separation method, hydrometallurgical technology,
Biological metallurgy technology and pyrolytic technique, these technology heat extraction relieving the exterior syndrome major parts all pay close attention to the gold reclaimed in waste printed circuit board
Belong to.The wherein easy scale of mechanical separation method, and the pollution to environment is relatively small, but various metal cannot be completely separated,
Residual organic substances or landfill or burning, not only waste resource and also environmental pollution is serious；The metal recovery rate of hydrometallurgy
Height, but chemical reagent consumption is relatively big, and complex process, the macromolecular organic compound in wiring board is also without being recycled profit
With；Biological metallurgy technology is at present also in conceptual phase, and applicable antibacterial is considerably less and very difficult cultivation；Comparatively speaking, logical
Cross the combination of pyrolytic technique pyrolytic and physical separation method, can not only metal in efficient recovery Waste ammunition can also
Utilize macromolecule organic material therein, be broken down into fuel oil, combustion gas and carbide, simultaneously because the non-gold in electronic product
Belonging to and mostly be the high molecule plastics such as epoxy resin, the carbide phosphorus content of pyrolysis product is high, is suitable as industrial chemicals and uses.
Carbide formal name used at school Acetylenogen., clear crystal, mainly for the production of acetylene gas, once it was referred to as " organic synthesis industry
Female ".Acetylene is important industrial chemicals, mainly for the production of polyvinyl chloride-based and vinyl acetate base product, China's PVC product
The raw materials for production acetylene of 70% comes from carbide, and the economic development of China is had a very important role by carbide, nearly more than ten years
The yield come constantly increases, and 2013 annual productions reach more than 22,000,000 tons.
Carbide production technology mainly has electrothermal way and oxygen full-boiled process.
Either electrothermal way or oxygen full-boiled process, is required to the carbon raw material of semi-coke or the high-quality such as anthracite or coke as electricity
The carbon back raw material that stone produces, causes carbide raw materials for production cost to remain high, further, since unit carbon-containing fuel imperfect combustion
Thermal discharge less, therefore a large amount of carbon-containing fuel supply heat that needs to burn, produce more ash and be enriched in carbide product, greatly
Affect carbide product qualities.How to reduce carbide production cost, increase carbide enterprise income, become China's calcium carbide industry development difficulty
One of topic.
Process at present Waste ammunition and generally use simple method for pyrolysis, and provide the recovery method of metal after pyrolysis,
But this method ignores the utilization of the product such as pyrolysis gas, pyrolytic carbon in pyrolytic process, and the maximization of the not up to utilization of resources, simultaneously
Vacuum pyrolysis is higher to equipment requirements, is difficulty with industrialization.
The most visible, in prior art, there are the following problems: Waste ammunition processes the recovery to nonmetallic substance and provides
Source level is inadequate；Waste ammunition pyrolysis processing is many as preprocessing means, and pyrolysis product later use technology lacks；Electricity
Stone produces needs a large amount of coke and heat energy/electric energy, and cost of material is high, and energy consumption is high；The ash after the burning of oxygen full-boiled process is used to be enriched to
In carbide product, affect carbide product qualities.
Summary of the invention
For solving the problems referred to above, it is contemplated that the resource of Waste ammunition is recycled and carbide production technology
Being coupled, and the high-temperature oil gas utilizing pyrolysis Waste ammunition to produce produces for carbide and provides heat, to realize right simultaneously
The resource of Waste ammunition recycles and reduces carbide production cost and reduces the purpose of carbide content of ashes.
For achieving the above object, the present invention proposes the system that a kind of waste and old electronic product processes, and this system includes: pre-
Processing unit, separative element, mixed cell, pyrolysis unit and carbide production unit, wherein,
Described pretreatment unit includes disassembling unit and fragmentation cell, described in disassemble unit and include Waste ammunition entrance
With disassemble product exit, described fragmentation cell includes disassembling product inlet and pretreatment product outlet, described in disassemble product inlet
It is connected with described product exit of disassembling；
Described separative element includes pretreatment product entrance and nonmetallic product outlet, described pretreatment product entrance and institute
State pretreatment product outlet to be connected；
Described mixed cell includes nonmetallic product entrance, calcio feed(raw material)inlet and mix products outlet, described nonmetal
Product inlet is connected with the outlet of described nonmetallic product；
Described pyrolysis unit includes the outlet of mix products entrance, solid carbon thing and high-temperature oil gas outlet, and described mixing is produced
Thing entrance is connected with the outlet of described mix products；
Described carbide production unit includes high-temperature oil gas entrance, solid carbon thing entrance and carbide product exit, described height
Temperature oil gas entrance is connected with the outlet of described high-temperature oil gas, and described solid carbon thing entrance is connected with the outlet of described solid carbon thing.
Concrete, described separative element is air separation units, magnetic separating unit or the one of electrostatic separation unit or a combination thereof；
The outlet of described solid carbon thing is provided with sealed discharging device.
Further, described carbide production unit includes that calcium carbide tail gas exports；Described system also includes gas purification and removes
Dirt unit, described gas purification and dust removing units include calcium carbide tail gas entrance, described calcium carbide tail gas entrance and described calcium carbide tail gas
Outlet is connected.
Further, described carbide production unit also includes helping fuel gas inlet, helps fuel gas inlet by combustion-supporting by described
Gas auxiliary combustion.
The present invention also provides for a kind of method that waste and old electronic product processes, and comprises the steps:
A pretreatment: at described pretreatment unit by being disassembled by Waste ammunition and crushing, obtain pretreatment product；
B separates: separated through fine crushing, sorting by described pretreatment product, it is thus achieved that nonmetallic product；
C mixes: mixed with calcio raw material by described nonmetallic product, obtains mixing afterproduct；
D is pyrolyzed: carry out pyrolytic reaction in described mixing afterproduct is fed described pyrolysis unit, generates high-temperature oil gas with solid
Body carbon containing thing, described high-temperature oil gas is by the oil and gas pipes collection arranged at pyrolysis oven, and described solid carbon thing is through outlet discharging；
E carbide produces: react in described solid carbon thing is sent into furnace of calcium carbide, and reaction obtains carbide after terminating.
Specifically, in described step E, using the described high-temperature oil gas in described step D as fuel, with multiple electrodes and
Multiple burner combination, as the thermal source of furnace of calcium carbide, carry out the reaction in described furnace of calcium carbide；Also separately add in described high-temperature oil gas
Enter combustion-supporting gas auxiliary combustion.
As preferred embodiment, it is 0.5-100mm by the Task-size Controlling of nonmetallic product described in described step B；
Calcio raw material described in described step C is one or more in Calx, limestone, Calx or carbide slag.
Further, described in described step D, the temperature of pyrolytic reaction is 450-850 DEG C, and pyrolysis time is 0.5-3h；Institute
State furnace of calcium carbide reaction temperature in step E and be 1700-2200 DEG C, the response time 5～50min.
Further, solid carbon thing direct hot charging described in described step E is sent in furnace of calcium carbide, and heat send temperature to be 350-
750℃。
Utilize said system and the method for the present invention, by the resource of Waste ammunition being recycled and carbide life
Production. art is coupled, and utilizes Waste ammunition pyrolysis gas high-temperature oil gas to produce offer heat for carbide, and the present invention takes
Obtained following effect:
(1) the clean and effective recycling treatment of Waste ammunition is achieved；
(2) higher value application of Waste ammunition pyrolysis product is achieved；
(3) cheap raw material can be used, reduce carbide raw materials for production cost；
(4) burning of pyrolysis high-temperature oil gas generates supplemental heat source as carbide, reduces power consumption；
(5) combustion and pyrolysis oil gas is without ash, on carbide product qualities without impact.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of the waste and old electronic product process of the present invention.
Fig. 2 is the process chart of the waste and old electronic product process of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the detailed description of the invention of the present invention is described in more details, in order to energy
The advantage being enough more fully understood that the solution of the present invention and various aspects thereof.But, specific embodiments described below and enforcement
Example is only descriptive purpose rather than limitation of the present invention.
In one aspect of the invention, the present invention proposes the system that a kind of waste and old electronic product processes, this system bag
Include pretreatment unit, separative element, mixed cell, pyrolysis unit and carbide production unit:
A pretreatment: at described pretreatment unit by being disassembled by Waste ammunition and crushing, obtain pretreatment product.
B separate: by described pretreatment product through fine crushing, selecting crude drugs with winnower, magnetic separation, electrostatic separation one or more, it is thus achieved that
Nonmetallic product, the Task-size Controlling of nonmetallic product is 0.5-100mm.
C mixes: by nonmetallic product, (one or several of Calx, limestone, Calx or carbide slag mixes with calcio raw material
Thing) mixing, obtain mixing afterproduct.
D is pyrolyzed: carrying out pyrolytic reaction in described mixing afterproduct is uniformly fed pyrolysis oven, pyrolysis temperature is 450-850
DEG C, pyrolysis time is 0.5-3h, owing to raw material is contained within calcio material, it is possible to increase pyrolysis hydrocarbon yield.Pyrolytic reaction is complete
Rear generation high-temperature oil gas and solid carbon thing, high-temperature oil gas is by the oil and gas pipes collection arranged at pyrolysis oven, and hydrocarbon yield is
20-45%.The sealed drawing mechanism discharging of solid carbon thing.
E carbide produces: due to the nonmetal macromolecule organic materials such as epoxy resin that mostly are in Waste ammunition, pyrolysis
After solid carbon thing ash low, fixed carbon content is high, is adapted as the carbon back raw material that carbide produces, the simultaneously pyrolysis of calcio raw material
For calcium oxide, the calcium source that just can produce as carbide.Solid carbon thing from pyrolysis unit is sent in furnace of calcium carbide, heat
Temperature is sent to be 350-750 DEG C.Furnace of calcium carbide uses multiple electrodes and multiple burner combination, provides thermal source for carbide raw material.Wherein
Burner is as the supplemental heat source of electrode, and fuel is the high-temperature oil gas collected at pyrolysis unit, supplements combustion-supporting gas firing, this pyrolysis
Oil gas is rich in hydrogen methane carbon monoxide, and combustion product, without ash, will not reduce carbide product quality.Furnace of calcium carbide temperature is
1700-2200 DEG C, in the response time 5～50min, calcium carbide tail gas enters gas purification, dust removing units, and carbide product discharge mouth goes out
Material.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, and limit the present invention never in any form.
Embodiment 1
The present embodiment proposes the system that a kind of waste and old electronic product processes, and this system includes pretreatment unit, separation
Unit, mixed cell, pyrolysis unit and carbide production unit:
A pretreatment: at described pretreatment unit by being disassembled by Waste ammunition and crushing, obtain pretreatment product.
B separate: by described pretreatment product through fine crushing, selecting crude drugs with winnower, magnetic separation, electrostatic separation one or more, it is thus achieved that
Nonmetallic product, the Task-size Controlling of nonmetallic product is 0.5mm, nonmetal content of organics 39%.The industry of nonmetal Organic substance
It is analyzed as follows:
The nonmetal Organic substance Industrial Analysis that table 1 sub-elects
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 0.6 | As-received |
| Fixed carbon | Wt% | 20.4 | As-received |
| Volatile matter | Wt% | 75.1 | As-received |
| Ash | Wt% | 3.9 | As-received |
C mixes: mixed with Calx by nonmetallic product, obtains mixing afterproduct.
D is pyrolyzed: carrying out pyrolytic reaction in described mixing afterproduct is uniformly fed pyrolysis oven, pyrolysis temperature is 450 DEG C, heat
The solution time is 2h, and pyrolytic reaction generates high-temperature oil gas and solid carbon thing the most afterwards, and high-temperature oil gas is by pyrolysis oven setting
Oil and gas pipes is collected, hydrocarbon yield 30%, the sealed drawing mechanism discharging of solid carbon thing.Solid carbon thing main character is such as
Under:
Table 2 solid carbon thing main character
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 1.23 | As-received |
| Fixed carbon | Wt% | 83.96 | As-received |
| Volatile matter | Wt% | 9.66 | As-received |
| Ash | Wt% | 5.15 | As-received |
E carbide produces: the solid carbon thing from pyrolysis unit is sent in furnace of calcium carbide, and solid carbon thing heat send temperature 350
℃.Furnace of calcium carbide is used multiple electrode and multiple burner combination, provides thermal source for carbide raw material.Wherein burner is as electrode
Supplemental heat source, fuel is the pyrolysis oil gas from pyrolysis unit, supplement combustion-supporting gas firing, this combustible gas is rich in hydrogen methane one
Carbonoxide, combustion product, without ash, will not reduce carbide product quality.Furnace of calcium carbide temperature is 2200 DEG C, response time 5min, electricity
Stone tail gas enters gas purification, dust removing units, carbide product discharge mouth discharging, Acetylenogen. content 79.11% in product carbide, sends out
Tolerance 288L/kg.
Embodiment 2
The present embodiment is as above-described embodiment 1 system for use in carrying, but process conditions are different, as described below:
A pretreatment: at described pretreatment unit by being disassembled by Waste ammunition and crushing, obtain pretreatment product.
B separate: by described pretreatment product through fine crushing, selecting crude drugs with winnower, magnetic separation, electrostatic separation one or more, it is thus achieved that
Nonmetallic product, the Task-size Controlling of nonmetallic product is 60mm, nonmetal content of organics 41%.Nonmetal Organic substance industry divides
Analyse as follows:
The nonmetal Organic substance Industrial Analysis that table 3 sub-elects
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 0.61 | As-received |
| Fixed carbon | Wt% | 20.49 | As-received |
| Volatile matter | Wt% | 74.8 | As-received |
| Ash | Wt% | 4.1 | As-received |
C mixes: mixed with limestone by nonmetallic product, obtains mixing afterproduct.
D is pyrolyzed: carrying out pyrolytic reaction in described mixing afterproduct is uniformly fed pyrolysis oven, pyrolysis temperature is 850 DEG C, heat
The solution time is 1h, and pyrolytic reaction generates high-temperature oil gas and solid carbon thing the most afterwards, and high-temperature oil gas is by pyrolysis oven setting
Oil and gas pipes is collected, hydrocarbon yield 40%, the sealed drawing mechanism discharging of solid carbon thing.Solid carbon thing main character is such as
Under:
Table 4 solid carbon thing main character
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 1.24 | As-received |
| Fixed carbon | Wt% | 83.58 | As-received |
| Volatile matter | Wt% | 9.57 | As-received |
| Ash | Wt% | 5.61 | As-received |
E carbide produces: the solid carbon thing from pyrolysis unit is sent in furnace of calcium carbide, and solid carbon thing heat send temperature 750
℃.Furnace of calcium carbide is used multiple electrode and multiple burner combination, provides thermal source for carbide raw material.Wherein burner is as electrode
Supplemental heat source, fuel is the pyrolysis oil gas from pyrolysis unit, supplement combustion-supporting gas firing, this combustible gas is rich in hydrogen methane one
Carbonoxide, combustion product, without ash, will not reduce carbide product quality.Furnace of calcium carbide temperature is 2000 DEG C, response time 20min,
Calcium carbide tail gas entrance gas purification, dust removing units, carbide product discharge mouth discharging, Acetylenogen. content 78.88% in product carbide,
Gas forming amount 289L/kg.
Embodiment 3
The present embodiment is as above-described embodiment 1 system for use in carrying, but process conditions are different, as described below:
A pretreatment: at described pretreatment unit by being disassembled by Waste ammunition and crushing, obtain pretreatment product.
B separate: by described pretreatment product through fine crushing, selecting crude drugs with winnower, magnetic separation, electrostatic separation one or more, it is thus achieved that
Nonmetallic product, the Task-size Controlling of nonmetallic product is 50mm, nonmetal content of organics 37%.Nonmetal Organic substance industry divides
Analyse as follows:
The nonmetal Organic substance Industrial Analysis that table 5 sub-elects
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 0.51 | As-received |
| Fixed carbon | Wt% | 20.21 | As-received |
| Volatile matter | Wt% | 75.4 | As-received |
| Ash | Wt% | 3.88 | As-received |
C mixes: mixed with Calx by nonmetallic product, obtains mixing afterproduct.
D is pyrolyzed: carrying out pyrolytic reaction in described mixing afterproduct is uniformly fed pyrolysis oven, pyrolysis temperature is 650 DEG C, heat
The solution time is 0.5h, and pyrolytic reaction generates high-temperature oil gas and solid carbon thing the most afterwards, and high-temperature oil gas is by arranging at pyrolysis oven
Oil and gas pipes collect, hydrocarbon yield 35%, the sealed drawing mechanism discharging of solid carbon thing.Solid carbon thing main character is such as
Under:
Table 6 solid carbon thing main character
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 1.11 | As-received |
| Fixed carbon | Wt% | 84.09 | As-received |
| Volatile matter | Wt% | 9.44 | As-received |
| Ash | Wt% | 5.36 | As-received |
E carbide produces: the solid carbon thing from pyrolysis unit is sent in furnace of calcium carbide, and solid carbon thing heat send temperature 450
℃.Furnace of calcium carbide is used multiple electrode and multiple burner combination, provides thermal source for carbide raw material.Wherein burner is as electrode
Supplemental heat source, fuel is the pyrolysis oil gas from pyrolysis unit, supplement combustion-supporting gas firing, this combustible gas is rich in hydrogen methane one
Carbonoxide, combustion product, without ash, will not reduce carbide product quality.Furnace of calcium carbide temperature is 1700 DEG C, response time 50min,
Calcium carbide tail gas entrance gas purification, dust removing units, carbide product discharge mouth discharging, Acetylenogen. content 80.25% in product carbide,
Gas forming amount 290L/kg.
Embodiment 4
The present embodiment is as above-described embodiment 1 system for use in carrying, but process conditions are different, as described below:
A pretreatment: at described pretreatment unit by being disassembled by Waste ammunition and crushing, obtain pretreatment product.
B separate: by described pretreatment product through fine crushing, selecting crude drugs with winnower, magnetic separation, electrostatic separation one or more, it is thus achieved that
Nonmetallic product, the Task-size Controlling of nonmetallic product is 100mm, nonmetal content of organics 37%.The industry of nonmetal Organic substance
It is analyzed as follows:
The nonmetal Organic substance Industrial Analysis that table 7 sub-elects
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 0.51 | As-received |
| Fixed carbon | Wt% | 20.54 | As-received |
| Volatile matter | Wt% | 75.23 | As-received |
| Ash | Wt% | 3.72 | As-received |
C mixes: mixed with carbide slag by nonmetallic product, obtains mixing afterproduct.
D is pyrolyzed: carrying out pyrolytic reaction in described mixing afterproduct is uniformly fed pyrolysis oven, pyrolysis temperature is 550 DEG C, heat
The solution time is 3h, and pyrolytic reaction generates high-temperature oil gas and solid carbon thing the most afterwards, and high-temperature oil gas is by pyrolysis oven setting
Oil and gas pipes is collected, hydrocarbon yield 25%, the sealed drawing mechanism discharging of solid carbon thing.Solid carbon thing main character is such as
Under:
Table 8 solid carbon thing main character
| Project | Unit | Numerical value | Remarks |
| Moisture | Wt% | 1.15 | As-received |
| Fixed carbon | Wt% | 83.79 | As-received |
| Volatile matter | Wt% | 9.45 | As-received |
| Ash | Wt% | 5.61 | As-received |
E carbide produces: the solid carbon thing from pyrolysis unit is sent in furnace of calcium carbide, and solid carbon thing heat send temperature 550
℃.Furnace of calcium carbide is used multiple electrode and multiple burner combination, provides thermal source for carbide raw material.Wherein burner is as electrode
Supplemental heat source, fuel is the pyrolysis oil gas from pyrolysis unit, supplement combustion-supporting gas firing, this combustible gas is rich in hydrogen methane one
Carbonoxide, combustion product, without ash, will not reduce carbide product quality.Furnace of calcium carbide temperature is 1800 DEG C, response time 10min,
Calcium carbide tail gas entrance gas purification, dust removing units, carbide product discharge mouth discharging, Acetylenogen. content 78.43% in product carbide,
Gas forming amount 287L/kg.
From above-described embodiment, present invention achieves the clean and effective recycling treatment of waste and old electronic product；Favorably
Metal, nonmetal, the separation and recovery of glass fibre in Waste ammunition；Achieve the height of Waste ammunition pyrolysis product
Value utilizes；Cheap raw material can be used, reduce carbide raw materials for production cost；High-temperature oil gas is utilized to burn as carbide
Generate supplemental heat source, reduce power consumption.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
What present disclosure was touched upon is exemplary embodiment, at the protection domain defined without departing from claims
In the case of, each embodiment of the application can be made various changes and modifications.Therefore, described embodiment is intended to contain
All this type of that lid falls in the protection domain of appended claims changes, revises and deform.Additionally, institute unless the context
Outside finger, the word occurred in the singular includes plural form, and vice versa.It addition, unless stated otherwise, then any embodiment
All or part of can in conjunction with any other embodiments all or part of use.
Claims (10)
1. the system that waste and old electronic product processes, including pretreatment unit, separative element, mixed cell, pyrolysis unit
With carbide production unit；Wherein,
Described pretreatment unit includes disassembling unit and fragmentation cell, described in disassemble unit and include Waste ammunition entrance and tearing open
Hydrolysis products exports, and described fragmentation cell includes disassembling product inlet and pretreatment product outlet, described in disassemble product inlet and institute
State disassemble product exit be connected；
Described separative element includes pretreatment product entrance and nonmetallic product outlet, described pretreatment product entrance and described pre-
Process product exit is connected；
Described mixed cell includes nonmetallic product entrance, calcio feed(raw material)inlet and mix products outlet, described nonmetallic product
Entrance is connected with the outlet of described nonmetallic product；
Described pyrolysis unit includes the outlet of mix products entrance, solid carbon thing and high-temperature oil gas outlet, and described mix products enters
Mouth is connected with the outlet of described mix products；
Described carbide production unit includes high-temperature oil gas entrance, solid carbon thing entrance and carbide product exit, described high temperature oil
Gas entrance is connected with the outlet of described high-temperature oil gas, and described solid carbon thing entrance is connected with the outlet of described solid carbon thing.
System the most according to claim 1, it is characterised in that described separative element is air separation units, magnetic separating unit or quiet
The one of electricity separation unit or a combination thereof；The outlet of described solid carbon thing is provided with sealed discharging device.
System the most according to claim 1, it is characterised in that described carbide production unit includes that calcium carbide tail gas exports；Institute
System of stating also includes that gas purification and dust removing units, described gas purification and dust removing units include calcium carbide tail gas entrance, described electricity
Stone gas inlet is connected with the outlet of described calcium carbide tail gas.
System the most according to claim 1, it is characterised in that described carbide production unit also includes helping fuel gas inlet, passes through
Described help fuel gas inlet by combustion-supporting gas introduce auxiliary combustion.
5. the method processing Waste ammunition by the arbitrary described system of claim 1-4, it is characterised in that include step
Rapid:
A pretreatment: at described pretreatment unit by being disassembled by Waste ammunition and crushing, obtain pretreatment product；
B separates: separated through fine crushing, sorting by described pretreatment product, it is thus achieved that nonmetallic product；
C mixes: mixed with calcio raw material by described nonmetallic product, obtains mixing afterproduct；
D is pyrolyzed: carry out pyrolytic reaction in described mixing afterproduct is fed described pyrolysis unit, generates high-temperature oil gas and solid contains
Carbon thing, described high-temperature oil gas is by the oil and gas pipes collection arranged at pyrolysis oven, and described solid carbon thing is through outlet discharging；
E carbide produces: react in described solid carbon thing is sent into furnace of calcium carbide, and reaction obtains carbide after terminating.
Method the most according to claim 5, it is characterised in that in described step E, with the described height in described step D
Temperature oil gas, as fuel, using multiple electrodes and multiple burner combination as the thermal source of furnace of calcium carbide, is carried out in described furnace of calcium carbide
Reaction；The also combustion-supporting gas auxiliary combustion of another addition in described high-temperature oil gas.
Method the most according to claim 5, it is characterised in that by the granularity control of nonmetallic product described in described step B
It is made as 0.5-100mm.
Method the most according to claim 5, it is characterised in that calcio raw material described in described step C is selected from Calx, stone
One or more in lime stone, Calx or carbide slag.
Method the most according to claim 5, it is characterised in that the temperature of pyrolytic reaction described in described step D is 450-
850 DEG C, pyrolysis time is 0.5-3h；In described step E, furnace of calcium carbide reaction temperature is 1700-2200 DEG C, the response time 5～
50min。
Method the most according to claim 6, it is characterised in that solid carbon thing direct hot charging described in described step E send
Entering in furnace of calcium carbide, heat send temperature to be 350-750 DEG C.
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| CN115926848A (en) * | 2021-11-29 | 2023-04-07 | 北京工商大学 | Resource treatment device and treatment method for waste wind power blades |
| US11999920B2 (en) | 2020-09-14 | 2024-06-04 | Ecolab Usa Inc. | Cold flow additives for plastic-derived synthetic feedstock |
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| CN206051567U (en) * | 2016-08-29 | 2017-03-29 | 北京神雾环境能源科技集团股份有限公司 | The system that a kind of waste and old electronic product is processed |
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