CN204074682U - A kind of old circuit board plasma treatment energy effect system - Google Patents
A kind of old circuit board plasma treatment energy effect system Download PDFInfo
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- CN204074682U CN204074682U CN201420297149.6U CN201420297149U CN204074682U CN 204074682 U CN204074682 U CN 204074682U CN 201420297149 U CN201420297149 U CN 201420297149U CN 204074682 U CN204074682 U CN 204074682U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The utility model discloses a kind of old circuit board plasma treatment energy effect system, it is characterized in that, comprise old circuit board and disassemble shaping unit, old circuit board plasma processing apparatus, old circuit board plasma treatment generator unit, energy regenerating storage allocation units and electric energy and heat integration unit; Described shaping unit of disassembling comprises old circuit board induction system; Described plasma processing apparatus comprises plasma treatment appts, mixed gas purification system; Described plasma treatment generator unit comprises GTG, steam turbine generator; Described energy regenerating stores allocation units and comprises plasmatorch and electrode group, steam boiler; This is novel achieves innoxious, minimizing, recycling treatment, eradicates pollution and the discharge of hypertoxic pollutant dioxin, economic benefit and environmental benefit good.
Description
Technical field
The utility model relates to solid waste treatment and utilization technical field, is specifically related to innoxious, resource treatment technique and method, particularly a kind of old circuit board plasma treatment energy effect system of old circuit board.
Background technology
After terminating the service life of electronic product, just become electronic waste, if correctly do not processed, not only can cause new pollution to environment, also can damage the health of process workman.Electronic waste landfill, noxious material can be discharged in soil, the resident around impact and environment; Incineration of plastic, it is a kind of strong carcinogen that brominated flame retardant produces bioxin; The speed goes that electronic product updates is fast, and the thing followed is that waste product is increasing.China is the manufacture big country of world's electronic product, is also the consumption big country of electronic product, will becomes the distribution centre of electronic waste in the near future.
Another source of waste and old line circuit plate is that Electronic products manufacturing industry is inner, has a large amount of defect wares, circuit board leftover material in production process; And with parts such as various chip, electric capacity, pole pipes in old circuit board in electronic waste, can recycle, the various metal such as gold-plated, tin solder, copper skeleton in addition on plate simultaneously; Wiring board body is formed by the epoxy resin manufacture of glass fiber reinforcement, and a large amount of organic polymers can utilize; Estimate according to statistics, the availability of old circuit board more than 65%, the stanniferous 20KG of wiring board per ton, silver-colored 1KG, copper 110KG, gold about 500 grams.Metal content in wiring board is equivalent to tens times of metal content in common mineral to hundreds of times, the content of metal is up to 40%, maximum is copper, also has gold, silver, aluminium, nickel, lead, tin, iron etc. in addition, and the rich ore tenor of occurring in nature only 3 ~ 5%.
Prior art old circuit board processing method: 1. direct smelting process, shortcoming: organic compound combustion is incomplete, waste gas severe contamination air; 2. wet chemistry method, shortcoming: method reagent consumption is large, complex process, produces waste water; 3. pure physical partition method, shortcoming: energy consumption is high, be separated not thorough, organic resources is wasted; 4. vacuum pyrolysis partition method, shortcoming: need secondary to dispose the liquid state organics of a large amount of output in vacuum pyrolysis process, complex technical process, energy consumption is high.
In prior art, plasma gasification technical finesse garbage power system shortcoming is utilized to be: it has high input, main equipment complicated, relate to that relevant industries item is many, performance difficulty; Be not suitable for especially particular solid discarded object classification plasma treatment, comprehensive energy efficiency is lower, to organic matter composition in solid waste and content dependence large.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of old circuit board plasma treatment energy effect system, plasma is material the 4th state, there are many physicochemical properties differing from the uniqueness of solid-state, liquid and gaseous state, as all very high in temperature and energy density, can conduct electricity and luminous, chemical property active and can strengthen chemical reaction etc., environmental-protecting performance is excellent.Produce the plasma up to 5000K---50000K by arc discharge or plasmatorch, old circuit board is heated to very high temperature, thus destroys refuse quickly and effectively.The abundant pyrolysis gasification of flammable organic principle, changes into imflammable gas, may be used for energy recovery, is commonly referred to as " synthesis gas ", and main component is CO+H2, and non-flammable inorganic constituents becomes harmless residue after plasma high-temperature process.Utilize plasmatorch and plasma to carry out step-wise manner intensification to old circuit board to dissociate, various metal material is reclaimed in classification, realizes innoxious, the recycling treatment of old circuit board, and reaches the target thoroughly avoiding secondary pollution to discharge.
The plasma treatment of old circuit board, is used for generating by flammable synthesis gas; By the various energy recovery in system, generate electricity for steam turbine generator; Heat energy can directly be used in heating of sewage disposal process; Electric energy can be used for sewage disposal device and aeration process equipment, so the efficiency of old circuit board plasma treatment utilizes, and have a extensive future, social benefit, economic benefit and environmental benefit are huge.
For achieving the above object, the technical solution of the utility model is as follows: a kind of old circuit board plasma treatment energy effect system, comprising: old circuit board disassembles shaping unit, old circuit board plasma processing apparatus, old circuit board plasma treatment generator unit, energy regenerating storage allocation units and electric energy and heat integration unit; It is characterized in that:
Described shaping unit of disassembling comprises: old circuit board is stored up, old circuit board, electronic component are disassembled, regenerated resources recycle, dry shaping dedusting and old circuit board induction system; Plasma processing apparatus comprises: plasma treatment appts, burning mixture, mixed gas purification system, vitrifying residue, segmentation Footwall drift, building material and metal recycle; Plasma treatment generator unit comprises: GTG, steam turbine generator and cleaning exhaust gas discharge; Energy regenerating stores allocation units and comprises: energy recovery, plasmatorch and electrode group, steam boiler, heat energy supply and electric energy supply; Electric energy and heat integration unit comprise: aerobic membrane biological reaction tower, anaerobic membrane biological reaction tower, sewage and waste water treating apparatus, organic solvent rectifier unit, sewage treatment aeration tank, metal recovery electrolytic cell, carry and mixing plant and sludge filtration press device;
It is the old circuit board in different approaches source is carried out to preliminary classification and disassembles the electronic component on old circuit board, cleaning dedusting that described old circuit board disassembles shaping unit, if need to carry out primary breakup shaping; It is disassemble platform by belt conveyor and two side metals to form that described electronic component is disassembled, and the old circuit board after disassembling is by belt conveyor transmission; Described belt conveyor is connected with old circuit board induction system, described old circuit board induction system is belt-type feeder, is conveyed into by old circuit board in dry shaping dedusting, and described dry shaping dedusting is closed crushing machine, after airtight fragmentation, old circuit board obtains shaping; Screw elevator is provided with below described dry shaping dedusting, described old circuit board is through elevator, be transported in plasma treatment appts, old circuit board is carried out vaporization by described plasma treatment appts, and produces metal, vitrifying residue, heat energy and burning mixture; Described vitrifying residue, through precipitated and separated, is discharged outside plasma treatment appts, for the manufacture of building material by bottom; Described metal, through segmentation Footwall drift, recycles; Described heat energy, through the outer field cooling system of plasma treatment appts, is admitted to steam boiler by utilidor, and described steam boiler is communicated with steam turbine generator, by described steam boiler for steam turbine generator provides steam to generate electricity; Described steam boiler is simultaneously for described efficiency device provides heat energy; Described plasma treatment appts is by utilidor and mixed gas purification system connectivity, the burning mixture produced in plasma treatment appts is imported in mixed gas purification system, described mixed gas purification system is communicated with GTG by pipeline, described burning mixture is after purified treatment, enter into GTG, burning mixture described in described GTG burning, and send electric energy; The electric energy that described steam turbine generator and described GTG send, through cable transfer in the electricity consumption facility of energy effect system; Object is the resource making full use of electronic devices and components and electronic component, accomplishes to make the best use of everything, and embodies data benefit, and the old circuit board after being applicable to disassembling shaping is transported to plasma processing apparatus.
Described old circuit board plasma processing apparatus carries out plasmatorch process to old circuit board, by narrow passage plasma treatment appts, along with the movement of old circuit board in narrow passage, promote temperature gradually, organic matter decomposes completely, and metal also melts after reaching its fusing point, and each metalloid is reclaimed in segmentation, organic substance in old circuit board is gasified totally into burning mixture, the inorganic substances glass in old circuit board is changed into residue; The further decomposition-reduction of the plasma of burning mixture in plasma electrode group, being burning mixture by fully and completely decomposing all organic substances, making the effect that the plasma treatment of old circuit board reaches desirable.After plasma treatment, vitrifying residue is used for construction material, and burning mixture is used for generating, and the metal material of all kinds of recovery is purified recycling further; The heat energy recycle produced in systematic procedure or generating, burning mixture combustion power generation.
Described narrow passage plasma treatment appts feature: staged plasmatorch temperature control; Each metalloid is reclaimed in segmentation; The favourable internal heat diffusion of top commutation structure; Plasmatorch and plasma electrode component district dissociative pattern.
Be provided with multipair plasmatorch in the plasmatorch of described plasma treatment appts and electrode group, be positioned at the both sides of described plasma treatment appts inwall, described plasma treatment appts narrow passage is in the staged that declines gradually, and each stepped ends is provided with honeycomb duct and tap hole, described narrow passage plasma treatment appts is provided with multipair plasmatorch, is positioned at described plasma treatment appts inwall both sides, is controlled the current strength of plasmatorch by controller, so as to controlling the temperature of plasmatorch, it is narrow passage bottom described plasma treatment appts, be made up of refractory ceramics, in the staged that declines gradually, each stepped ends is provided with honeycomb duct and tap hole, the organic matter melted under high temperature or metal bath water conservancy diversion is used for enter into corresponding recovery pond, organic matter in described old circuit board, metal, fiber is by narrow passage process, temperature raises gradually, along with the rising of old circuit board temperature, all kinds of material can be fused into fluid gradually, and collect in corresponding honeycomb duct, flow in corresponding recovery pond through tap hole, be recovered to the metal in respective molten bath, release through row's mouth and be cooled to metal frit, vitrifying residue flow in residue pool, is discharged, the organic gas that old circuit board dissociates out, rise to the radome fairing at narrow passage top, described radome fairing is the curved surface roof construction risen gradually, and what can make gas presents coiled-type flowing, to increase the gas stirring effect in narrow passage, keep homogeneous temperature, organic gas after plasmatorch gasification, there are many all kinds of organic high molecular compounds, can rise gradually and be pooled to gas collection road, and through plasma electrode group, described plasma electrode group, produce energetic plasma, when gas is through out-of-date, due to the ultra-high temperature of plasma, make the various organic matters in gas, be decomposed into state of atom instantaneously, under reducing atmosphere, form the mixed combustible gas body containing hydrogen, carbon monoxide, nitrogen etc., sent by gas outlet, utilize for power conversion, the dissociation process of whole old circuit board, fast, completely, thoroughly, dissociating product is: combustible gas, various metal, low melting point organic matter, vitrifying residue, dissociate energy: combustible gas is used for gas electricity generator and produces the energy, plasma treatment appts cooling heat is used for steam-electric power or heat energy utilization, the low melting point organic matter fractionation purification processes that plasma treatment appts reclaims, the innoxious landfill of vitrifying residue or for making building materials.
In the plasmatorch of described plasma treatment appts and electrode group, plasma electrode group is four, and relative position is set to two groups of electrode groups, is arranged at burning mixture exit; Guarantee that produced plasma fully can decompose the organic pollution in gaseous mixture.
Described plasmatorch is multipair, is controlled and regulate by control system.
Described plasma treatment appts is disposed with heat-resistant layer, air-cooled layer, thermal insulation layer, refractory material layer, steel structural layer, water-cooled layer from the inside to surface, for ensureing the recovery of the heat in plasma treatment appts and effectively utilizing.
Described plasma treatment generator unit is provided with GTG and steam turbine generator, after old circuit board plasma treatment, the unit of the burning mixture power conversion that all organic substances produce, burning mixture is supplied GTG, and GTG burn combustible gaseous mixture sends electric energy; The energy recovery of whole system is divided into middle low-temperature heat source water and high temperature heat source water, and high temperature heat source aquatic products is wherein born in steam boiler, is produced by high-temperature gas mixture and the heat exchange for the treatment of apparatus internal layer high temperature, and high-temperature steam is used for steam turbine generator generating.
The electric energy that described energy regenerating storage allocation units control, adjustment, distribution system produce and heat energy, first the electric energy produced uses for plasmatorch and plasma electrode group, accounts for 1/3rd of gross generation; Unnecessary electric energy is used for other electrical equipment of enterprise; All kinds of sewage disposal reaction tower of heat energy supply enterprise, reaction tank etc. need insulation, intensification part; The steam produced also can be used for the heating process of all kinds of sewage disposal process; Particularly in large-scale aerobic membrane bioreactor, large-scale anaerobic membrane bioreactor, the growth and breeding of microorganism and bacterium all depends on the temperature environment of system.
Described electric energy and heat integration unit comprise: aerobic membrane biological reaction tower, anaerobic membrane biological reaction tower, sewage and waste water treating apparatus, organic solvent rectifier unit, sewage treatment aeration tank, metal recovery electrolytic cell, conveying and mixing plant and sludge filtration press device etc., these are equipment conventional in modern environmental protection treatment enterprise and device, it is all high energy consumption, the device of high hear rate, power consumption is huge, the electricity consumption time is long, need insulation, constant temperature, process and the technique of heating are a lot, the electric energy that whole system produces and heat energy all can effectively be utilized, thus greatly reduce the consumption of enterprise electrical energy and heat energy, for enterprise saves a large amount of energy, create huge economic benefit.
Combustion mixture cleaning treatment: the combustion mixture transported out from high-temperature region and other composition water quenching to 70 DEG C, aqueous melting mineral matter and residual carbon will be deposited in water, and carbon can recycle with to heating process.Under anaerobic condition, the cold synthesis preventing bioxin and furans of hot combustion mixture speed.Combustion mixture is washed, metallic dust wherein and accompaniment precipitated, hydrogen chloride and hydrogen fluoride flow into multistage alkali cleaning below.Multistage alkali cleaning makes sulphur composition be separated completely, and in and hydrogen chloride and hydrogen fluoride; Pure combustion mixture is just obtained through activated carbon filtration.The comprehensive combustion gas of activated carbon filtration anaerobic carries out below 80 DEG C, safer.
Residue vitrifying process: when old circuit board feed-in, reclaim most each metalloid through segmentation, still having some remaining heavy metal things needs process, in order to make the complete vitrifying of inorganic matter, vitrifying auxiliary agent can be added in right amount, assist to generate vitrifying residue.
Auxiliary agent is added in vitrifying to be had: silicon compound, calcium compound, sodium compound etc.;
Its addition is: silicon compound 10 ~ ~ 30 parts; Calcium compound 10 ~ ~ 20 parts; Sodium compound 10 ~ ~ 20 parts; All with listed as parts by weight;
Various interpolation material, is specially:
Silicon compound: SiO
2silica; Material can with sand or silica flour;
Calcium compound: CaCO
3calcium carbonate; Material can use lime stone;
Sodium compound: Na2CO
3sodium carbonate; Material can use soda ash;
The chemical reaction of various interpolation material is as follows:
Na
2CO
3+SiO
2→Na
2SiO
3+CO
2↑
CaCO
3+SiO
2→CaSiO
3+CO
2↑
Three kinds of additives can be used alone or use wherein any two above mixture.Owing to containing heavy metal ion in slag, vitrifying slag heavy metal ion has the effect of bag shoe, and form permanent innoxious slag bear, so to the harmful heavy metal ions in old circuit board, there is effective removal effect, and make heavy metal ion obtain harmless treatment, permanent solidification is sealed up for safekeeping.When have heavy metal ion wrapped shoe seal up for safekeeping time, vitrifying slag will present different colors.
The working gas of plasmatorch and plasma electrode group: adopt nitrogen as working gas.N
2gas belongs to reducibility gas, can guarantee, when plasma decomposition is organic, can not generate oxide molecule.Working gas is input to plasmatorch or plasma electrode arc region from arc electrode looping pit, provides the noble gas source required for plasma-arc on the one hand, protects positive plasma-arc state; On the other hand gas cooling effect is played to arc electrode.During normal operation work, the gas flow of input is: 3 ~ ~ 30 cubic metres per hour; (i.e. 3 ~ ~ 30m
3/ h).When working gas in stove is containing oxygen, oxygen content should lower than 20% of old circuit board oxygen demand, to guarantee that overall atmosphere is in reducing condition.
By technique scheme, the beneficial effect of technical solutions of the utility model is: by plasma gasification technical finesse old circuit board, the gas driven gas turbines for power generation produced, a large amount of waste heat driving steam turbine generating; The various noble metals reclaimed re-use after purifying; Vitrifying slag is for the manufacture of construction material.Electric energy is separated with the Hydraulic transportation of anaerobic tower, the rectifying of high concentration organic compound for enterprise's old metal electrolytic recovery device, high-concentration sewage process gas explosion equipment, large-scale aerobic tower; What the heat energy produced was used for large-scale aerobic biochemical reaction tank and anaerobic biochemical reaction pond proposes heat insulation, temperature adjustment etc. for various sewage-treatment plant; Old circuit board plasma processing techniques achieves innoxious, minimizing, comprehensive resource process, thoroughly eradicates pollution and the discharge of hypertoxic pollutant dioxin.The multistage old circuit board that dissociates of employing plasmatorch, segmentation reclaim each metalloid; Using plasma gasification waste gas, thoroughly dissociate organic matter, and single step generates: low melting point organic matter liquid, fuel gas, metal and vitrifying residue; Completely avoid atmosphere pollution, water pollutions, dust pollution, noise pollution and land pollution.Resource utilization degree is high, environmental benefit and profitable on ecology.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of old circuit board plasma treatment efficiency system block diagram schematic diagram disclosed in the utility model embodiment;
A kind of old circuit board plasma treatment efficiency system architecture schematic diagram disclosed in Fig. 2 the utility model embodiment;
A kind of old circuit board plasma treatment energy effect system plasma treatment appts structural representation disclosed in Fig. 3 the utility model embodiment, wherein Fig. 3 a is profile, and Fig. 3 b is front view.
Numeral and the corresponding component title represented by letter in figure:
1. old circuit board is stored up 2. old circuit board 3. electronic components and is disassembled
4. regenerated resources recycle the dry shaping dedusting of 5. old circuit board induction system 6.
7. plasma treatment appts 8. burning mixture 9. mixed gas purification system
10. GTG 11. steam turbine generator 12. cleaning exhaust gas discharge
13. vitrifying residue 14. segmentation Footwall drift 15. building materials
16. metals recycle 17. energy recovery 18. plasmatorch and electrode group
19. steam boiler 20. heat energy supply 21. electric energy supplies
22. aerobic membrane biological reaction tower 23. anaerobic membrane biological reaction tower 24. sewage and waste water treating apparatus
25. organic solvent rectifier unit 26. sewage treatment aeration tank 27. metal recovery electrolytic cells
28. conveyings and mixing plant 29. sludge filtration press device
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
According to Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of old circuit board plasma treatment energy effect system, comprising: old circuit board disassembles shaping unit, old circuit board plasma processing apparatus, old circuit board plasma treatment generator unit, energy regenerating storage allocation units and electric energy and heat integration unit; It is characterized in that:
Described shaping unit of disassembling comprises: old circuit board stores up 1, old circuit board 2, electronic component disassemble 3, regenerated resources recycle 4, dry shaping dedusting 6 and old circuit board induction system 5; Plasma processing apparatus comprises: plasma treatment appts 7, burning mixture 8, mixed gas purification system 9, vitrifying residue 13, segmentation Footwall drift 14, building material 15 and metal recycling 16; Plasma treatment generator unit comprises: GTG 10, steam turbine generator 11 and cleaning exhaust gas discharge 12; Energy regenerating stores allocation units and comprises: energy recovery 17, plasmatorch and electrode group 18, steam boiler 19, heat energy supply 20 and electric energy supply 21; Electric energy and heat integration unit comprise: aerobic membrane biological reaction tower 22, anaerobic membrane biological reaction tower 23, sewage and waste water treating apparatus 24, organic solvent rectifier unit 25, sewage treatment aeration tank 26, metal recovery electrolytic cell 27, carry and mixing plant 28 and sludge filtration press device 29; It is characterized in that:
It is the old circuit board 2 in different approaches source is carried out to preliminary classification and disassembles the electronic component 3 on old circuit board, cleaning dedusting that described old circuit board disassembles shaping unit, if need to carry out primary breakup shaping; It is disassemble platform by belt conveyor 62 and two side metals to form that described electronic component disassembles 3, and the old circuit board after disassembling is transmitted by belt conveyor 62; Described belt conveyor 62 is connected with old circuit board induction system 5, described old circuit board induction system 5 is belt-type feeder, old circuit board is conveyed in dry shaping dedusting 6, described dry shaping dedusting 6 is closed crushing machine, after airtight fragmentation, old circuit board obtains shaping; Screw elevator 61 is provided with below described dry shaping dedusting 6, described old circuit board is through screw elevator 61, be transported in plasma treatment appts 7, old circuit board is carried out vaporization by described plasma treatment appts 7, and produces metal, vitrifying residue 13, heat energy and burning mixture 8; Described vitrifying residue 13, through precipitated and separated, is discharged outside plasma treatment appts 7, for the manufacture of building material by bottom; Described metal, through segmentation Footwall drift 14, recycles; Described heat energy is through the outer field cooling system of plasma treatment appts 7, steam boiler 19 is admitted to by utilidor, described steam boiler 19 passes through pipeline communication, by described steam boiler 19 for steam turbine generator 11 provides steam to generate electricity with steam turbine generator 11; Described steam boiler 19 is simultaneously for the equipment in described energy effect system provides heat energy; Described plasma treatment appts 7 is communicated with mixed gas purification system 9 by utilidor, the burning mixture 8 produced in plasma treatment appts 7 is imported in mixed gas purification system 9, described mixed gas purification system 9 is communicated with GTG 10 by pipeline, described burning mixture 8 is after purified treatment, enter into GTG 10, the burning mixture 8 that described GTG 10 burns described, and send electric energy; The electric energy that described steam turbine generator 11 and described GTG 10 send, through cable transfer in the electricity consumption facility of energy effect system.Object is the resource making full use of electronic devices and components and electronic component 3, accomplishes to make the best use of everything, and embodies data benefit, and the old circuit board after being applicable to disassembling shaping is transported to plasma processing apparatus.
Described old circuit board plasma processing apparatus carries out plasmatorch process to old circuit board 2, by narrow passage plasma treatment appts, along with the movement of old circuit board in narrow passage, promote temperature gradually, organic matter decomposes completely, and metal also melts after reaching its fusing point, and each metalloid 14 is reclaimed in segmentation, organic substance in old circuit board 2 is gasified totally into burning mixture 8, the inorganic substances glass in old circuit board 2 is changed into residue 13; The further decomposition-reduction of the plasma of burning mixture 8 in plasma electrode group, being burning mixture 8 by fully and completely decomposing all organic substances, making the effect that the plasma treatment of old circuit board 2 reaches desirable.After plasma treatment, vitrifying residue 13 is for construction material, and burning mixture 8 is for generating, and the metal material of all kinds of recovery is purified recycling further; The heat energy recycle produced in systematic procedure or generating, burning mixture 8 combustion power generation.
Described narrow passage plasma treatment appts 7 feature: staged plasmatorch temperature control; Each metalloid 14 is reclaimed in segmentation; The favourable internal heat diffusion of top commutation structure; Plasmatorch and plasma electrode group 18 subregion dissociative pattern.
Described narrow passage plasma treatment appts 7 is provided with multipair plasmatorch, is positioned at described plasma treatment appts 7 inwall both sides, is controlled the current strength of plasmatorch by controller, so as to controlling the temperature of plasmatorch, be narrow passage bottom described plasma treatment appts 7, be made up of refractory ceramics, in the staged that declines gradually, each stepped ends is provided with honeycomb duct and tap hole, the organic matter melted under high temperature or metal bath water conservancy diversion is used for enter into corresponding recovery pond, organic matter in described old circuit board 2, metal, fiber is by narrow passage process, temperature raises gradually, along with the rising of old circuit board 2 temperature, all kinds of material can be fused into fluid gradually, and collect in corresponding honeycomb duct, flow in corresponding recovery pond through tap hole, be recovered to the metal in respective molten bath, release through row's mouth and be cooled to metal frit, vitrifying residue 13 flow in residue pool, is discharged, the organic gas that old circuit board 2 dissociates out, rise to the radome fairing at narrow passage top, described radome fairing is the curved surface roof construction risen gradually, and what can make gas presents coiled-type flowing, to increase the gas stirring effect in narrow passage, keep homogeneous temperature, organic gas after plasmatorch gasification, there are many all kinds of organic high molecular compounds, can rise gradually and be pooled to gas collection road, and through plasma electrode group, described plasma electrode group, produce energetic plasma, when gas is through out-of-date, due to the ultra-high temperature of plasma, make the various organic matters in gas, be decomposed into state of atom instantaneously, under reducing atmosphere, form the mixed combustible gas body containing hydrogen, carbon monoxide, nitrogen etc., sent by gas outlet, utilize for power conversion, the dissociation process of whole old circuit board 2, fast, completely, thoroughly, dissociating product is: combustible gas, various metal, low melting point organic matter, vitrifying residue 13, dissociate energy: combustible gas is used for gas electricity generator and produces the energy, plasma treatment appts 7 cooling heat is used for steam-electric power or heat energy utilization, the low melting point organic matter fractionation purification processes that plasma treatment appts 7 reclaims, the innoxious landfill of vitrifying residue 13 or for making building materials.
Described plasma electrode group is four, and relative position is set to two groups of electrode groups, guarantees that produced plasma fully can decompose the organic pollution in gaseous mixture.
Described plasmatorch is multipair, is controlled and regulate by control system.
Described plasma treatment appts is disposed with heat-resistant layer, air-cooled layer, thermal insulation layer, refractory material layer, steel structural layer, water-cooled layer from the inside to surface, for ensureing the recovery of the heat in plasma treatment appts and effectively utilizing.
Described plasma treatment generator unit is provided with GTG 10 and steam turbine generator 11, after old circuit board 2 plasma treatment, the unit of burning mixture 8 power conversion that all organic substances produce, burning mixture 8 is supplied GTG 10, and GTG 10 burn combustible mist 8 sends electric energy; The energy recovery of whole system is divided into middle low-temperature heat source water and high temperature heat source water, and high temperature heat source aquatic products is wherein born in steam boiler 19, is produced by high-temperature gas mixture and the heat exchange for the treatment of apparatus internal layer high temperature, and high-temperature steam is used for steam turbine generator 11 and generates electricity.
The electric energy that described energy regenerating storage allocation units control, adjustment, distribution system produce and heat energy, first the electric energy produced for plasmatorch and plasma electrode 18 groups use, accounts for 1/3rd of gross generation; Unnecessary electric energy is used for other electrical equipment of enterprise; All kinds of sewage disposal reaction tower of heat energy supply enterprise, reaction tank etc. need insulation, intensification part; The steam produced also can be used for the heating process of all kinds of sewage disposal process; Particularly in large-scale aerobic membrane bioreactor 22, large-scale anaerobic membrane bioreactor 23, the growth and breeding of microorganism and bacterium all depends on the temperature environment of system.
Described electric energy and heat integration unit comprise: aerobic membrane biological reaction tower 22, anaerobic membrane biological reaction tower 23, sewage and waste water treating apparatus 24, organic solvent rectifier unit 25, sewage treatment aeration tank 26, metal recovery electrolytic cell 27, conveying and mixing plant 28 and sludge filtration press device 29 etc., equipment conventional in these Dou Shi environmental protection treatment enterprises and device, it is all high energy consumption, the device of high hear rate, power consumption is huge, the electricity consumption time is long, need insulation, constant temperature, process and the technique of heating are a lot, the electric energy that whole system produces and heat energy all can effectively be utilized, thus greatly reduce the consumption of enterprise electrical energy and heat energy, for enterprise saves a large amount of energy, create great economic benefit.
Burning mixture 8 cleaning treatment: the burning mixture 8 transported out from high-temperature region and other composition water quenching to 70 DEG C, aqueous melting mineral matter and residual carbon will be deposited in water, and carbon can recycle with to heating process.Under anaerobic condition, the cold synthesis preventing bioxin and furans of hot burning mixture 8 speed.Burning mixture 8 is washed, metallic dust wherein and accompaniment precipitated, hydrogen chloride and hydrogen fluoride flow into multistage alkali cleaning below.Multistage alkali cleaning makes sulphur composition be separated completely, and in and hydrogen chloride and hydrogen fluoride; Pure burning mixture 8 is just obtained through activated carbon filtration.The comprehensive combustion gas of activated carbon filtration anaerobic carries out below 80 DEG C, safer.
Residue vitrifying process: when old circuit board 2 feed-in, reclaim most each metalloid through segmentation, still having some remaining heavy metal things needs process, in order to make the complete vitrifying of inorganic matter, vitrifying auxiliary agent can be added in right amount, assist to generate vitrifying residue 13.
Auxiliary agent is added in vitrifying to be had: silicon compound, calcium compound, sodium compound etc.;
Its addition is: silicon compound 11 parts; Calcium compound 13 parts; Sodium compound 16 parts; All with listed as parts by weight;
Various interpolation material, is specially:
Silicon compound: SiO
2silica; Material can use silica flour;
Calcium compound: CaCO
3calcium carbonate; Material can use lime stone;
Sodium compound: Na2CO
3sodium carbonate; Material can use soda ash;
The chemical reaction of various interpolation material is as follows:
Na
2CO
3+SiO
2→Na
2SiO
3+CO
2↑
CaCO
3+SiO
2→CaSiO
3+CO
2↑
Three kinds of additives can be used alone or use wherein any two above mixture.Owing to containing heavy metal ion in slag, vitrifying slag heavy metal ion has the effect of bag shoe, and form permanent innoxious slag bear, so to the harmful heavy metal ions in old circuit board 2, there is effective removal effect, and make heavy metal ion obtain harmless treatment, permanent solidification is sealed up for safekeeping.When have heavy metal ion wrapped shoe seal up for safekeeping time, vitrifying slag will present different colors.
The working gas of plasmatorch and plasma electrode group: adopt nitrogen as working gas.N
2gas belongs to reducibility gas, can guarantee, when plasma decomposition is organic, can not generate oxide molecule; Working gas is input to plasmatorch or plasma electrode arc region from arc electrode looping pit, provides the noble gas source required for plasma-arc on the one hand, protects positive plasma-arc state; On the other hand gas cooling effect is played to arc electrode; During normal operation work, the gas flow of input is: 18 cubic metres per hour; When working gas in stove is containing oxygen, oxygen content should lower than 20% of old circuit board oxygen demand, to guarantee that overall atmosphere is in reducing condition.
By technique scheme, the beneficial effect of technical solutions of the utility model is: by plasma gasification technical finesse old circuit board, the gas driven gas turbines for power generation produced, a large amount of waste heat driving steam turbine generating; The various noble metals reclaimed re-use after purifying; Vitrifying slag is for the manufacture of construction material.Electric energy is separated with the Hydraulic transportation of anaerobic tower, the rectifying of high concentration organic compound for enterprise's old metal electrolytic recovery device, high-concentration sewage process gas explosion equipment, large-scale aerobic tower; What the heat energy produced was used for large-scale aerobic biochemical reaction tank and anaerobic biochemical reaction pond proposes heat insulation, temperature adjustment etc. for various sewage-treatment plant; Old circuit board plasma processing techniques achieves innoxious, minimizing, comprehensive resource process, thoroughly eradicates pollution and the discharge of hypertoxic pollutant dioxin.The multistage old circuit board that dissociates of employing plasmatorch, segmentation reclaim each metalloid; Using plasma gasification waste gas, thoroughly dissociate organic matter, and single step generates: low melting point organic matter liquid, fuel gas, metal and vitrifying residue; Completely avoid atmosphere pollution, water pollutions, dust pollution, noise pollution and land pollution.Resource utilization degree is high, environmental benefit and profitable on ecology.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. an old circuit board plasma treatment energy effect system, it is characterized in that, comprising: old circuit board disassembles shaping unit, old circuit board plasma processing apparatus, old circuit board plasma treatment generator unit, energy regenerating storage allocation units and electric energy and heat integration unit; Described shaping unit of disassembling comprises old circuit board induction system; Described plasma processing apparatus comprises plasma treatment appts, mixed gas purification system; Described plasma treatment generator unit comprises GTG, steam turbine generator; Described energy regenerating stores allocation units and comprises plasmatorch and electrode group, steam boiler; Described electric energy and heat integration unit comprise aerobic membrane biological reaction tower, anaerobic membrane biological reaction tower, sewage and waste water treating apparatus, organic solvent rectifier unit, sewage treatment aeration tank, metal recovery electrolytic cell, carry and mixing plant and sludge filtration press device; Described old circuit board is disassembled shaping unit and is disassembled platform by belt conveyor and two side metals and form, and the old circuit board after disassembling is by belt conveyor transmission; Described belt conveyor is connected with old circuit board induction system, described old circuit board induction system is belt-type feeder, is conveyed into by old circuit board in dry shaping dedusting, and described dry shaping dedusting is closed crushing machine, after airtight fragmentation, old circuit board obtains shaping; Be provided with screw elevator below described dry shaping dedusting, described old circuit board, through elevator, is transported in plasma treatment appts; Described steam boiler is communicated with steam turbine generator; The burning mixture produced in plasma treatment appts, by utilidor and mixed gas purification system connectivity, imports in mixed gas purification system by described plasma treatment appts; The electric energy that described steam turbine generator and described GTG send, through cable transfer in the electricity consumption facility of energy effect system.
2. a kind of old circuit board plasma treatment energy effect system according to claim 1, is characterized in that, be provided with multipair plasmatorch in the plasmatorch of described plasma treatment appts and electrode group, be positioned at the both sides of described plasma treatment appts inwall; Described plasma treatment appts narrow passage is in the staged that declines gradually, and each stepped ends is provided with honeycomb duct and tap hole.
3. a kind of old circuit board plasma treatment energy effect system according to claim 1, it is characterized in that, in the plasmatorch of described plasma treatment appts and electrode group, plasma electrode group is four, and relative position is set to two groups of electrode groups, is arranged at burning mixture exit.
4. a kind of old circuit board plasma treatment energy effect system according to claim 1, it is characterized in that, described plasma treatment appts is disposed with heat-resistant layer, air-cooled layer, thermal insulation layer, refractory material layer, steel structural layer, water-cooled layer from the inside to surface, for ensureing the recovery of heat and effectively utilizing.
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Cited By (6)
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| CN105817462A (en) * | 2016-03-23 | 2016-08-03 | 中山大学 | Technical method for high-added-value resource utilization of waste circuit board electronic components |
| CN107377598A (en) * | 2017-08-29 | 2017-11-24 | 武汉凯迪工程技术研究总院有限公司 | Disposal of Electronic Wastes recovery system |
| CN108911479A (en) * | 2018-07-27 | 2018-11-30 | 成都源永科技发展有限公司 | A kind of industrial sludge vitrifying addition medicament |
| CN109704527A (en) * | 2019-01-24 | 2019-05-03 | 中石化宁波工程有限公司 | A kind of heat reclaiming system of the low-temperature plasma of petrochemical sludge |
| CN111112301A (en) * | 2020-01-09 | 2020-05-08 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | System and method for treating waste photovoltaic cell panel by using plasma technology |
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| CN105817462A (en) * | 2016-03-23 | 2016-08-03 | 中山大学 | Technical method for high-added-value resource utilization of waste circuit board electronic components |
| CN105817462B (en) * | 2016-03-23 | 2019-01-25 | 中山大学 | A kind of technical method of waste and old circuit board electronic component high added value recycling |
| CN107377598A (en) * | 2017-08-29 | 2017-11-24 | 武汉凯迪工程技术研究总院有限公司 | Disposal of Electronic Wastes recovery system |
| CN108911479A (en) * | 2018-07-27 | 2018-11-30 | 成都源永科技发展有限公司 | A kind of industrial sludge vitrifying addition medicament |
| CN108911479B (en) * | 2018-07-27 | 2021-03-19 | 成都源永科技发展有限公司 | Industrial sludge vitrification adding agent |
| CN109704527A (en) * | 2019-01-24 | 2019-05-03 | 中石化宁波工程有限公司 | A kind of heat reclaiming system of the low-temperature plasma of petrochemical sludge |
| TWI709444B (en) * | 2019-07-05 | 2020-11-11 | 隆順綠能科技股份有限公司 | Fuel treatment device and method for crushing residues of waste motor vehicles |
| CN111112301A (en) * | 2020-01-09 | 2020-05-08 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | System and method for treating waste photovoltaic cell panel by using plasma technology |
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Granted publication date: 20150107 Termination date: 20210605 |