CN107695080A - It is a kind of to handle useless circuit board or the method and device of carbon fibre composite - Google Patents
It is a kind of to handle useless circuit board or the method and device of carbon fibre composite Download PDFInfo
- Publication number
- CN107695080A CN107695080A CN201710967894.5A CN201710967894A CN107695080A CN 107695080 A CN107695080 A CN 107695080A CN 201710967894 A CN201710967894 A CN 201710967894A CN 107695080 A CN107695080 A CN 107695080A
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- Prior art keywords
- circuit board
- gaseous state
- hydrone
- carbon
- fibre composite
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 89
- 239000002131 composite material Substances 0.000 title claims abstract description 84
- 239000000835 fiber Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 118
- 229910001868 water Inorganic materials 0.000 claims abstract description 118
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000006229 carbon black Substances 0.000 claims abstract description 39
- 239000007769 metal material Substances 0.000 claims abstract description 33
- 238000011084 recovery Methods 0.000 claims abstract description 27
- 239000005416 organic matter Substances 0.000 claims abstract description 24
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 23
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 23
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 21
- 239000004917 carbon fiber Substances 0.000 claims abstract description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 21
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 18
- 230000002045 lasting effect Effects 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 49
- 238000010438 heat treatment Methods 0.000 claims description 44
- 238000012545 processing Methods 0.000 claims description 27
- 238000000197 pyrolysis Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000004880 explosion Methods 0.000 claims description 11
- 239000002918 waste heat Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 229910001021 Ferroalloy Inorganic materials 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 3
- 238000004781 supercooling Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims 2
- 238000000354 decomposition reaction Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052802 copper Inorganic materials 0.000 abstract description 12
- 239000010949 copper Substances 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 4
- 235000019241 carbon black Nutrition 0.000 description 32
- 229960004424 carbon dioxide Drugs 0.000 description 22
- 239000000126 substance Substances 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 239000011368 organic material Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 5
- -1 paveio(u)r Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 241000790917 Dioxys <bee> Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002699 waste material 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
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
- B09B3/45—Steam treatment, e.g. supercritical water gasification or oxidation
-
- 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
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Useless circuit board or the method for carbon fibre composite are handled the invention provides a kind of, the useless circuit board of recovery or carbon fibre composite are placed in closing space by it；Aqueous water is heated to gaseous state hydrone, and forms the gaseous state hydrone heat energy of high temperature, it is high by the use of gaseous state hydrone as heat transmission medium, heat transfer efficiency；Simultaneously, gaseous state hydrone is passed into the closing space equipped with useless circuit board or carbon fibre composite by the way that outlet pipe is lasting, gaseous state hydrone first discharges the air in closing space the closing space to form an oxygen-free environment, organic matter in subsequent useless circuit board or carbon fibre composite is thermally decomposed under the high temperature action of gaseous state hydrone, generation carbon black, carbon fiber, water, carbon dioxide, carbon monoxide and other impurities tail gas；Metal material copper coin in carbon black, carbon fiber or circuit board is collected, wherein, tail gas empties as gaseous state hydrone is passed through gas purifier after heat exchanger cools down.
Description
Technical field
The present invention relates to useless circuit board or carbon fibre composite processing method and processing device.
Background technology
With the quickening of information equipment update speed, the printed circuit board (PCB) as the important component of electronic product
Recycling be increasingly becoming the topic of people's growing interest.China is electronic product consumption big country, and the thing followed is
Annual at least 100,000 tons of useless circuit boards or carbon fibre composite produce.There is big in useless circuit board or carbon fibre composite
Noxious material is measured, if dealt with improperly, it is likely that bring very big social concern and environmental problem.
Being presently used for the recovery method of waste and old circuit board has a lot, such as heat treating process, corrosion method, electrolysis and acid wash
Etc. chemical method, but these methods all can cause secondary pollution to environment.
Reinforcing fiber of the carbon fiber as high tough composite, with aviation and the high speed development of automobile industry, it is needed
The amount of asking is also growing day by day, mainly utilize it to burn by burning for the carbon fibre composite discarded object that can not be degraded
Caused thermal energy, the method for this recycling is although simple and easy, but in burning process, composite scrap thing will
A large amount of poisonous gases are discharged, and the ash content buried after burning can also cause secondary pollution, therefore industry prosperity to soil
Country has strictly prohibited the discarded object for handling composite in this way.Another is than recovery method earlier
The method that composite is pulverized, crush or shredded, particle, fine powder etc. is made and is recycled, the material after so processing
It is generally only reducing agent for being used as building filler, paveio(u)r, cement raw material or blast furnace ironmaking etc..
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide one kind processing useless circuit board or carbon fiber composite
The method of the method for material, the processing useless circuit board or carbon fibre composite can effectively extract metal solid thing or carbon is fine
Dimension, will not produce toxic gas, secondary pollution and be detrimental to health.
Based on this, the present invention proposes a kind of processing useless circuit board or the method for carbon fibre composite, and it includes following
Step：
(S1), the useless circuit board of recovery or carbon fibre composite are placed in closing space；
(S2), aqueous water is entered in hydrone thermal energy generating device by water inlet pipe, starts the hydrone heat energy hair
The heating schedule of generating apparatus, the aqueous water in the generator of the hydrone thermal energy generating device is heated, it is at this moment, described
Aqueous water is heated to 100 degree of water vapour, meanwhile, the water vapour is persistently heated in the generator, and it is high to produce temperature
Up to more than 400 degree of gaseous state hydrone；
(S3), the gaseous state hydrone collects in the top of the generator and forms gas explosion, and at this moment, the gas explosion is from institute
The outlet pipe for stating hydrone thermal energy generating device persistently exports, and obtains the gaseous state hydrone heat energy of heat enthalpy value height and high temperature；
(S4), gaseous state hydrone is passed into equipped with useless circuit board or carbon fibre composite by the way that outlet pipe is lasting
Closing space in, gaseous state hydrone first discharges the air in the closing space in the space to form an oxygen-free environment,
Meanwhile the organic matter on useless circuit board or carbon fibre composite is thermally decomposed under the high temperature action of gaseous state hydrone, generation
Carbon black, water, carbon dioxide and carbon monoxide, after organic matter decomposes completely, it is left carbon black and metal in the closing space
Material or carbon black and carbon fiber；
(S5) after, having reacted, carbon black and metal material or carbon black and carbon fiber are collected, wherein, water, carbon dioxide and
Carbon monoxide and with the gaseous state hydrone after heat release first pass through together heat exchanger recovery waste heat cooling, enter back into gas purification
Discharged after device.
Optionally, the processing method also includes water circulation use step, handles useless circuit board or carbon fibre composite
Later the water that gaseous state hydrone and organic matter generates after decomposing becomes aqueous water through supercooling, again passes by above-mentioned (S2, S3)
Heating produces gaseous state hydrone, so circulation.
Optionally, the temperature of the gaseous state hydrone is 400 degree to 900 degree.
Optionally, the process that the aqueous water is heated to gaseous state hydrone is to be carried out under normal pressure.
The present invention also provides a kind of device for being used to handle useless circuit board or carbon fibre composite, and this is used to handle useless electricity
The device of road plate or carbon fibre composite can effectively extract metal solid thing, will not produce toxic gas, secondary pollution
And it is detrimental to health.
It is a kind of to be used to handle the device of useless circuit board or carbon fibre composite, it include hydrone thermal energy generating device,
Pyrolysis oven, water inlet pipe, outlet pipe and collection assembly, the lower end of the hydrone thermal energy generating device connect with water inlet pipe,
The upper end of the hydrone thermal energy generating device connects with one end of the outlet pipe, the other end and the heat of the outlet pipe
Stove connection is solved, the collection assembly is arranged on the side of the pyrolysis oven；
The pyrolysis oven includes heat exchanger and gas cleaning plant；
The hydrone thermal energy generating device includes one-level heating component, two level heating component, three-level heating component and four
Level heating component, the one-level heating component, two level heating component, three-level heating component and level Four heating component are sequentially communicated.
Optionally, the hydrone thermal energy generating device also includes shell, generator and electric cabinet, and the shell is provided with
Air exit, the air exit are connected with the outlet pipe, and magnet coil, the electromagnetism are wound with the outside of the generator
The both ends of coil electrically connect with electric cabinet.
Optionally, the processing unit also includes water return pipeline, and one end of the water return pipeline connects with the pyrolysis oven,
The other end of the water return pipeline connects with the water inlet pipe.
Optionally, the water inlet pipe is provided with force (forcing) pump.
Optionally, the water inlet pipe is provided with valve.
Optionally, the generator is ferroalloy materials.
Implement the embodiment of the present invention, have the advantages that：
The method of present invention processing useless circuit board or carbon fibre composite, is mainly answered according to useless circuit board or carbon fiber
The principle that organic matter in condensation material can be pyrolyzed at high temperature, because gaseous state hydrone is as heat transmission medium, while hydrone
There is provided protective atmosphere avoids the oxidizing fire of heating process from reacting, and heat transfer efficiency is high, therefore, using the vaporous water with high temperature
The high-temperature medium that molecule decomposes as the organic matter in useless circuit board or carbon fibre composite, by collected useless circuit board
Or carbon fibre composite is placed in the space of a closing, and gaseous state hydrone is passed through in the space of the closing, utilized
The high temperature of gaseous state hydrone carries out the organic material in useless circuit board or carbon fibre composite to be thermally decomposed into carbon black, water, two
Carbonoxide, carbon monoxide and other impurities tail gas etc., after organic matter is decomposed, the metal material or carbon of remaining high added value are fine
Dimension, then handle to obtain required carbon black and metal material or carbon black and carbon fiber by collection and refinement, the carbon black and metal material
Material or the purity of carbon black and carbon fiber height and added value are high, wherein, water, carbon dioxide, carbon monoxide and other impurities tail
Gas first passes through the cooling of heat exchanger recovery waste heat together with the gaseous state hydrone after heat release, enters back into gas cleaning plant heel row
Go out；Due to the chemical methodes such as electrolysis need not be used, secondary pollution, and caused water and dioxy will not be also caused to environment
Change carbon not injure human body, while the processing useless circuit board of the present invention or the method recovery process of carbon fibre composite subtract
It is few, shorten man-hour, reduce cost recovery, environment will not be polluted, the copper of the very high purity of high added value can also be extracted
Piece；Finally, by carbon black and circuit board metal material copper coin collect, wherein, water, carbon dioxide, carbon monoxide and other
Impurity tail gas first passes through the cooling of heat exchanger recovery waste heat together with gaseous state hydrone, enters back into gas cleaning plant heel row
It is empty.
The present invention is used for the device for handling useless circuit board or carbon fibre composite, then mainly by the aqueous water under normal temperature
Entered in hydrone thermal energy generating device and heated by water inlet pipe, is always heated to from aqueous water to 100 degree of water steaming
Vapour, then the gas explosion of HTHP is accumulated by steam heating to gaseous state hydrone, gaseous state hydrone, finally obtain required gas
State hydrone, now, gaseous state hydrone is passed into pyrolysis oven by outlet pipe, is placed in pyrolysis oven and in need wait to locate
The useless circuit board or carbon fibre composite of reason, due to the carbon at high temperature of the organic matter in useless circuit board or carbon fibre composite
Oxygen key, C-H bond are thermally decomposed into water, carbon dioxide and carbon monoxide, and therefore, now gaseous state hydrone is as useless circuit board
Or the high-temperature medium that the organic matter in carbon fibre composite decomposes, it is using the high temperature of gaseous state hydrone that useless circuit board or carbon is fine
Organic material in dimension composite carries out being thermally decomposed into carbon black, water, carbon dioxide, carbon monoxide and other impurities tail gas etc.,
Due to the chemical methodes such as electrolysis need not be used, secondary pollution, and caused water and titanium dioxide will not be also caused to environment
Carbon is not injured to human body, while the method recovery process of the processing useless circuit board of the present invention or carbon fibre composite is reduced,
Shorten man-hour, reduce cost recovery, environment will not be polluted, also be extracted the copper sheet and carbon of the very high purity of high added value
It is black, finally, the metal material copper coin in carbon black and circuit board or carbon fiber are collected, wherein, water, carbon dioxide, an oxygen
Change carbon and other impurities tail gas as gaseous state hydrone first passes through heat exchanger recovery waste heat together to cool, enter back into gas purification
Emptied after device.
Brief description of the drawings
Fig. 1 is the principle schematic of the gaseous state hydrone heating of the present invention；
Fig. 2 is that the structure of the device for handling useless circuit board or carbon fibre composite of the preferred embodiment of the present invention is shown
It is intended to.
Description of reference numerals：
1st, hydrone thermal energy generating device；11st, shell；12nd, generator；13rd, one-level heating component；14th, two level heating group
Part；15th, three-level heating component；16th, level Four heating component；2nd, pyrolysis oven；3rd, water inlet pipe；31st, force (forcing) pump；32nd, valve；4th, outlet
Pipeline；5th, collection assembly；6th, water return pipeline.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As shown in figure 1, a kind of method of the processing useless circuit board or carbon fibre composite of the preferred embodiment of the present invention, its
Comprise the following steps：
(S1), the useless circuit board of recovery or carbon fibre composite are placed in closing space；
(S2), aqueous water is entered in hydrone thermal energy generating device by water inlet pipe, starts the hydrone heat energy hair
The heating schedule of generating apparatus, the aqueous water in the generator of the hydrone thermal energy generating device is heated, it is at this moment, described
Aqueous water is heated to 100 degree of water vapour, meanwhile, the water vapour is persistently heated in the generator, and it is high to produce temperature
Up to more than 400 degree of gaseous state hydrone；
(S3), the gaseous state hydrone collects in the top of the generator and forms gas explosion, and the gas explosion is from the water
The outlet pipe of molecule thermal energy generating device persistently exports, and obtains the gaseous state hydrone heat energy of heat enthalpy value height and high temperature；
(S4), gaseous state hydrone is passed into equipped with useless circuit board or carbon fibre composite by the way that outlet pipe is lasting
Closing space in, gaseous state hydrone first discharges the air in the closing space in the space to form an oxygen-free environment,
Meanwhile the organic matter on useless circuit board or carbon fibre composite is thermally decomposed under the high temperature action of gaseous state hydrone, generation
Carbon black, water, carbon dioxide, carbon monoxide and other impurities tail gas, after organic matter decomposes completely, it is left in the closing space
Carbon black and metal material or carbon black and carbon fiber；
(S5) after, having reacted, carbon black and metal material or carbon black and carbon fiber are collected, wherein, water, carbon dioxide, one
Carbonoxide and other impurities tail gas cool as the gaseous state hydrone after heat release first passes through heat exchanger recovery waste heat together, then enter
Discharged after entering gas cleaning plant.
Based on above-mentioned technical proposal, in order to which useless circuit board or carbon fibre composite refine and harmless processing, sheet
Organic matter of the invention mainly in useless circuit board or carbon fibre composite can be pyrolyzed at high temperature, due to gaseous state hydrone
As heat transmission medium, while hydrone provides protective atmosphere and avoids the oxidizing fire of heating process from reacting, and heat transfer efficiency is high,
Therefore, the high temperature decomposed using the gaseous state hydrone with high temperature as the organic matter in useless circuit board or carbon fibre composite
Medium, collected useless circuit board or carbon fibre composite are placed in a closed environment, and it is closed at this
Gaseous state hydrone is passed through in environment, using the high temperature of gaseous state hydrone by organic material in useless circuit board or carbon fibre composite
C-H bond and carbon-oxygen bond in material at high temperature can by be thermally decomposed into carbon black, water, carbon dioxide, a small amount of carbon monoxide and other
Impurity tail gas etc., then handle to obtain required carbon black and metal material or carbon black and carbon fiber by collection and refinement, wherein, gold
It is mainly copper sheet to belong to material, and these carbon blacks and metal material or the added value of carbon black and carbon fiber are high, wherein, water, titanium dioxide
Carbon, carbon monoxide and other impurities tail gas first pass through heat exchanger recovery waste heat drop together with the gaseous state hydrone after heat release
Temperature, discharged after entering back into gas cleaning plant；Due to the chemical methodes such as electrolysis need not be used, will not also two be caused to environment
Secondary pollution, and caused water and carbon dioxide do not injure to human body, while the processing useless circuit board or carbon fiber of the present invention
The method recovery process of composite is reduced, and shortens man-hour, is reduced cost recovery, environment will not be polluted, can also carried
Take metal material；Further, closed environment is caused to form oxygen-free environment, energy due to being passed through gaseous state hydrone always in closed environment
Enough metal material is prevented to be oxidized, it is not necessary to protective gas；Finally, by the metal material copper coin or carbon in carbon black and circuit board
Fiber is collected, wherein, water, carbon dioxide, carbon monoxide and other impurities tail gas first pass through hot friendship together with gaseous state hydrone
Parallel operation recovery waste heat cools, and is emptied after entering back into gas cleaning plant.
Further, a kind of processing useless circuit board of the preferred embodiment of the present invention or the method for carbon fibre composite are also wrapped
Include water circulation use step, handle the gaseous state hydrone after useless circuit board or carbon fibre composite and organic matter decompose after it is raw
Into water become aqueous water through supercooling, again pass by above-mentioned (S2, S3) and be heated to gaseous state hydrone, so circulation, due to gas
The composition of state hydrone is hydrone, and the acquisition of water is very convenient, adds, and water becomes water steaming in by heating process
Vapour, then to gaseous state hydrone, gaseous state hydrone is finally obtained, by gaseous state hydrone in useless circuit board or carbon fibre composite
Organic matter thermally decomposed after, gaseous state hydrone becomes water again by cooling, cost-effective, and water can also be circulated constantly
Use.Further, because most of organic matter can just be thermally decomposed more than 400 degree, the temperature of the gaseous state hydrone
Degree is arranged to 400 degree to 900 degree.Further, the process that the aqueous water is heated to gaseous state hydrone is to be carried out under normal pressure, by
It is to carry out at ambient pressure in whole process, it is not necessary to pressurized equipment or vacuum high-temperature, reduce cost, also improve using model
Enclose.
As shown in Fig. 2 a kind of in the preferred embodiment of the present invention is used to handle useless circuit board or carbon fibre composite
Device, it includes hydrone thermal energy generating device 1, pyrolysis oven 2, water inlet pipe 3, outlet pipe 4 and collection assembly 5, the water
The lower end of molecule thermal energy generating device 1 connects with water inlet pipe 3, upper end and the outlet of the hydrone thermal energy generating device 1
One end connection of pipeline 4, the other end of the outlet pipe 4 connect with pyrolysis oven 2, and the collection assembly 5 is arranged on the heat
Solve the side of stove 2；
The pyrolysis oven 2 includes heat exchanger and gas cleaning plant；
The hydrone thermal energy generating device 1 includes one-level heating component 13, two level heating component 14, three-level heating component
15 and level Four heating component 16, the one-level heating component 13, two level heating component 14, three-level heating component 15 and level Four heating
Component 16 is sequentially communicated.
At this moment, a kind of dress for being used to handle useless circuit board or carbon fibre composite in the preferred embodiments of the present invention
Put, mainly the aqueous water under normal temperature is entered in hydrone thermal energy generating device 1 by water inlet pipe 3 and heated, from normal
Temperature is always heated to water vapour, then by steam heating to gaseous state hydrone, finally obtains required gaseous state hydrone, at this moment,
Gaseous state hydrone is entered in pyrolysis oven 2 by outlet pipe 4 again, and pending useless circuit in need is placed in pyrolysis oven 2
Organic matter in plate or carbon fibre composite, useless circuit board or carbon fibre composite can be thermally decomposed at high temperature；Specifically
It is as follows：
Aqueous water is heated to boiling water by one-level heating component 13, while becomes water vapour by boiling water, and at this moment, water vapour leads to
Cross two level heating component 14 to continue to be heated to the relatively low gaseous state hydrone of temperature, gaseous state hydrone enters three-level heating component 15
In continue for it is heated be heated to the higher gaseous state hydrone of temperature, gaseous state hydrone is continued by level Four heating component 16 again
Required high-temperature gas hydrone is heated to, high-temperature gas hydrone accumulates the gas explosion of high pressure, and gas explosion is held by outlet pipe 4
Continuous discharge forms gaseous state hydrone heat energy, and now, gaseous state hydrone is as organic in useless circuit board or carbon fibre composite
The high-temperature medium that thing decomposes, using the high temperature of gaseous state hydrone by the organic material in useless circuit board or carbon fibre composite
C-H bond and carbon-oxygen bond by being thermally decomposed into carbon, water, carbon dioxide and a small amount of carbon monoxide etc., then by collecting and refining
Processing obtains required metal material or carbon fiber, wherein, metal material is mainly the copper sheet of very high purity, these metal materials
Added value it is high；Due to the chemical methodes such as electrolysis need not be used, secondary pollution will not be also caused to environment, and it is produced
Water and carbon dioxide human body is not injured, while the processing useless circuit board of the present invention or the method time of carbon fibre composite
Sequence of knocking off is reduced, and shortens man-hour, reduces cost recovery, and equipment is simple, and caused gas will not pollute to environment, may be used also
To extract metal material by collection assembly 5；Furthermore gaseous state hydrone is passed through due to lasting in pyrolysis oven 2, will be pyrolyzed
Air in stove 2 is discharged, formation oxygen-free environment, and the metal material in such useless circuit board or carbon fibre composite will not be by oxygen
Change.
Further, as shown in Fig. 2 the hydrone thermal energy generating device 1 also includes shell 11, generator 12 and automatically controlled
Case, the shell 11 are provided with air exit, and the air exit connects with the outlet pipe 4, the outside of generator 12
Magnet coil is wound with, the both ends of the magnet coil electrically connect with electric cabinet, and hydrone thermal energy generating device 1 mainly utilizes
Electromagnetism heats to water, and heating process is controllable, and quick and safety, wherein generator 12 are preferably the pipe of ferroalloy materials
Road.Also include water return pipeline 6, one end of the water return pipeline 6 connects with the pyrolysis oven 2, the other end of the water return pipeline 6
Connected with the water inlet pipe 3, because gaseous state hydrone is exactly to be heated to gaseous state hydrone by water, finally obtain gaseous state moisture
Son, the composition of gaseous state hydrone is all hydrone in this process, becomes water when gaseous state hydrone cools down, then pass through backwater
Pipeline 6 recycles, and generator 12 is preferably ferroalloy materials herein, using ferroalloy materials be mainly iron demagnetization compared with
It hurry up, and easily magnetization.The hydrone thermal energy generating device 1 also includes temperature sensor and humidity sensor, temperature sensor
Installed in the inwall of shell 11, humidity sensor is arranged at air exit, and wherein temperature sensor mainly detects shell body
Interior real time temperature, and humidity sensor is mainly the humidity of gaseous state hydrone at monitoring air exit in real time.
Further, the water inlet pipe 3 is provided with force (forcing) pump 31, is primarily used to control the flow of the reclaimed water of water inlet pipe 3.For
The flow of the further control reclaimed water of water inlet pipe 3, be provided with the water inlet pipe 3 valve 32, the valve 32 preferably electromagnetism
Valve.
In summary, processing useless circuit board of the invention or the method for carbon fibre composite, mainly according to useless circuit
Organic matter in plate or carbon fibre composite can be pyrolyzed at high temperature, because gaseous state hydrone is as heat transmission medium, simultaneously
Hydrone provides protective atmosphere and avoids the oxidizing fire of heating process from reacting, and heat transfer efficiency is high, therefore, using with high temperature
The high-temperature medium that gaseous state hydrone decomposes as the organic matter in useless circuit board or carbon fibre composite, will be collected useless
Circuit board or carbon fibre composite are placed in a closed environment, and are passed through gaseous state moisture in the closed environment
Son, the organic material in useless circuit board or carbon fibre composite carried out using the high temperature of gaseous state hydrone to be thermally decomposed into carbon
Black, water, carbon dioxide, a small amount of carbon monoxide and other impurities tail gas etc., then through collection and refinement handle to obtain it is required
Metal material and carbon black, wherein, metal material is mainly the attached of the high copper sheet of purity, these metal materials or carbon fiber and carbon black
It is value added high, and water, carbon dioxide, carbon monoxide and other impurities tail gas first pass through together with the gaseous state hydrone after heat release
Heat exchanger recovery waste heat cools, and is discharged after entering back into gas cleaning plant；Due to the chemical methodes such as electrolysis need not be used,
Also secondary pollution will not be caused to environment, and caused water and carbon dioxide do not injure to human body, while the place of the present invention
The method recovery process for managing useless circuit board or carbon fibre composite is reduced, and shortens man-hour, reduces cost recovery, will not be to environment
Pollute, metal material can also be extracted；Further, closed loop is caused due to being passed through gaseous state hydrone always in closed environment
Border forms oxygen-free environment, metal material can be prevented to be oxidized, it is not necessary to protective gas；Finally, by carbon black and circuit board
Metal material copper coin collect, wherein, water, carbon dioxide, carbon monoxide and other impurities tail gas with gaseous state hydrone together
The cooling of heat exchanger recovery waste heat is first passed through, is emptied after entering back into gas cleaning plant.
The device for being used to handle useless circuit board or carbon fibre composite of the present invention, then mainly lead to the water under normal temperature
Cross water inlet pipe 3 and enter in hydrone thermal energy generating device 1 and heated, be always heated to water vapour from normal temperature, then steamed by water
Vapour is heated to gaseous state hydrone, and gaseous state hydrone accumulates gas explosion, and gas explosion output finally obtains required gaseous state hydrone, this
When, gaseous state hydrone is entered in pyrolysis oven 2 by outlet pipe 4, and pending useless circuit in need is placed in pyrolysis oven 2
Plate or carbon fibre composite, because the organic matter in useless circuit board or carbon fibre composite can be pyrolyzed at high temperature, therefore,
The high-temperature medium that now gaseous state hydrone decomposes as the organic matter in useless circuit board or carbon fibre composite, utilizes vaporous water
The high temperature of molecule carries out the organic material wrapped up in useless circuit board or carbon fibre composite to be thermally decomposed into carbon black, water, dioxy
Change carbon and other impurities tail gas etc., then handle to obtain required metal material or carbon fiber and carbon black by collection and refinement, its
In, metal material is mainly copper sheet, and these metal materials or the added value of carbon fiber and carbon black are high；Due to electricity need not be used
The chemical methodes such as solution, secondary pollution will not be also caused to environment, and caused water and carbon dioxide do not injure to human body,
The method recovery process of the processing useless circuit board of the present invention or carbon fibre composite is reduced simultaneously, is shortened man-hour, is reduced recovery
Cost, and equipment is simple, caused gas will not pollute to environment, can also extract metal material；Furthermore due in heat
It is lasting in solution stove 2 to be passed through gaseous state hydrone, the air in pyrolysis oven 2 is discharged, forms oxygen-free environment, such useless circuit board or
Metal material in carbon fibre composite will not be oxidized；Finally, the metal material copper coin in carbon black and circuit board is received
Collection, wherein, water, carbon dioxide, carbon monoxide and other impurities tail gas return as gaseous state hydrone first passes through heat exchanger together
Waste heat cooling is received, is emptied after entering back into gas cleaning plant.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement and deformation can also be made, these are improved and deformation is also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of handle useless circuit board or the method for carbon fibre composite, it is characterised in that comprises the following steps：
(S1), the useless circuit board of recovery or carbon fibre composite are placed in closing space；
(S2), aqueous water is entered in hydrone thermal energy generating device by water inlet pipe, is started the hydrone heat energy and is filled
The heating schedule put, the aqueous water in the generator of the hydrone thermal energy generating device is heated, at this moment, the liquid
Water is heated to 100 degree of water vapour, meanwhile, the water vapour is persistently heated in the generator, produces temperature and is up to 400
Gaseous state hydrone more than degree；
(S3), the gaseous state hydrone collects in the top of the generator and forms gas explosion, and at this moment, the gas explosion is from the water
The outlet pipe of molecule thermal energy generating device persistently exports, and obtains the gaseous state hydrone heat energy of heat enthalpy value height and high temperature；
(S4) gaseous state hydrone, is passed through into the lasting envelope being passed into equipped with useless circuit board or carbon fibre composite of outlet pipe
Closing in space, gaseous state hydrone first discharges the air in the closing space in the space to form an oxygen-free environment, meanwhile,
Organic matter in useless circuit board or carbon fibre composite is thermally decomposed under the high temperature action of gaseous state hydrone, generation carbon black,
Water, carbon dioxide and carbon monoxide, be left after organic matter decomposes completely, in the closing space carbon black and metal material or
Carbon black and carbon fiber；
(S5) after, having reacted, carbon black and metal material or carbon black and carbon fiber are collected, wherein, water, carbon dioxide and an oxygen
Change carbon as the gaseous state hydrone after heat release first passes through the cooling of heat exchanger recovery waste heat together, after entering back into gas cleaning plant
Discharge.
2. processing useless circuit board or the method for carbon fibre composite as claimed in claim 1, it is characterised in that the processing
Method also includes water circulation use step, handles gaseous state hydrone and organic matter after useless circuit board or carbon fibre composite
The water generated after decomposition becomes aqueous water through supercooling, again passes by above-mentioned (S2, S3) heating and produces gaseous state hydrone, so follows
Ring.
3. processing useless circuit board or the method for carbon fibre composite as claimed in claim 1, it is characterised in that the gaseous state
The temperature of hydrone is 400 degree to 900 degree.
4. processing useless circuit board or the method for carbon fibre composite as claimed in claim 1, it is characterised in that the liquid
The process that water is heated to gaseous state hydrone is to be carried out under normal pressure.
5. a kind of utilize the side for realizing processing useless circuit board or carbon fibre composite as described in any one of Claims 1-4
The device of method, it is characterised in that including hydrone thermal energy generating device, pyrolysis oven, water inlet pipe, outlet pipe and collection group
Part, the lower end of the hydrone thermal energy generating device connect with water inlet pipe, the upper end of the hydrone thermal energy generating device and institute
One end connection of outlet pipe is stated, the other end of the outlet pipe connects with pyrolysis oven, and the collection assembly is arranged on described
The side of pyrolysis oven；
The pyrolysis oven includes heat exchanger and gas cleaning plant；
The hydrone thermal energy generating device adds including one-level heating component, two level heating component, three-level heating component and level Four
Hot component, the one-level heating component, two level heating component, three-level heating component and level Four heating component are sequentially communicated.
6. the device of processing useless circuit board or carbon fibre composite as claimed in claim 5, it is characterised in that the moisture
Sub- thermal energy generating device also includes shell, generator and electric cabinet, and the shell is provided with air exit, the air exit with
The outlet pipe connection, the generator outside are wound with magnet coil, and both ends and the electric cabinet of the magnet coil are electrically connected
Connect.
7. the device of processing useless circuit board or carbon fibre composite as claimed in claim 5, it is characterised in that the processing
Device also includes water return pipeline, and one end of the water return pipeline connects with the pyrolysis oven, the other end of the water return pipeline with
The water inlet pipe connection.
8. the device of processing useless circuit board or carbon fibre composite as claimed in claim 5, it is characterised in that the water inlet
Pipe is provided with force (forcing) pump.
9. the device of processing useless circuit board or carbon fibre composite as claimed in claim 5, it is characterised in that the water inlet
Pipe is provided with valve.
10. the device of processing useless circuit board or carbon fibre composite as claimed in claim 6, it is characterised in that the hair
Raw device is ferroalloy materials.
Priority Applications (1)
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| CN201710967894.5A CN107695080A (en) | 2017-10-16 | 2017-10-16 | It is a kind of to handle useless circuit board or the method and device of carbon fibre composite |
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|---|---|---|---|
| CN201710967894.5A CN107695080A (en) | 2017-10-16 | 2017-10-16 | It is a kind of to handle useless circuit board or the method and device of carbon fibre composite |
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