CN202824098U - Horizontal type continuous separation system for recycled aluminum plastic compound packaging material and provided with separation agents - Google Patents
Horizontal type continuous separation system for recycled aluminum plastic compound packaging material and provided with separation agents Download PDFInfo
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- CN202824098U CN202824098U CN 201220364407 CN201220364407U CN202824098U CN 202824098 U CN202824098 U CN 202824098U CN 201220364407 CN201220364407 CN 201220364407 CN 201220364407 U CN201220364407 U CN 201220364407U CN 202824098 U CN202824098 U CN 202824098U
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Abstract
The utility model provides a horizontal type continuous separation system for a recycled aluminum plastic compound packaging material and provided with separation agents. The horizontal type continuous separation system comprises a separation reaction device used for carrying out chemical separation treatment on the aluminum plastic compound packaging material, and a horizontal type separation spin-drying device used for carrying out physical separation treatment on the chemically separated aluminum plastic compound packaging material, wherein a reaction spiral device and a discharging spiral device which are arranged in the separation reaction device are both in a shaft-free spiral structure, a rotation shaft is arranged in an inner barrel body of the horizontal type separation spin-drying device, a plurality of sickle-shaped blades are arranged on the rotation shaft at intervals, the horizontal type separation spin-drying device is connected with a sediment centrifuge, and the sediment centrifuge is connected with a separation agent buffering pool. The horizontal type continuous separation system for the recycled aluminum plastic compound packaging material and provided with the separation agents effectively achieves the continuous separation treatment on the aluminum plastic compound packaging material, has strong aluminum plastic separation capacity, and is capable of recycling the separation agents at the same time.
Description
Technical field
The utility model belongs to the feed separation technology, particularly relates to a kind of horizontal continuous separating system of aluminium plastic composite packaging material that release agent reclaims that has that can carry out to aluminium plastic composite packaging material the continuous separating treatment of industrialization.
Background technology
The paper plastic-aluminum composite packing material is a kind of common packaging material, is widely used in the packings such as milk and soft drink.Raising and lack of raw materials along with people's environmental consciousness, it is very necessary that the regeneration of paper plastic combined package becomes, when paper plastic combined package is carried out regeneration, normally with after the paper substrate separation wherein, the more remaining material that is formed by aluminium foil and plastics is separated again.
Wherein, the regenerative use technology of paper plastic-aluminum composite packing waste mainly comprises two classes, and a class is the Direct Regeneration technology, is about to the paper plastic-aluminum composite packing Integral-crushing and processes the rear new raw material of regeneration; Another kind of is the separation regeneration technology, is about to recycle respectively after three kinds of materials separation in the paper plastic-aluminum composite packing.Relative separation regeneration techniques, Direct Regeneration technology are mainly moulded wood and color happy plate as main to produce extrusion molding, and it can't reclaim paper pulp, plastics and aluminium effectively, does not embody the self-value of paper fiber, aluminium foil and plastics.
The separation regeneration technology can be divided into two parts according to its separation process, at first is paper and the separating of plastic-aluminum, i.e. the paper pulp isolation technics; Next is separating of aluminium foil and plastics, i.e. aluminum-plastic separation technology.Paper separates with plastic-aluminum, and the method by hydraulic pulping can realize that the present comparative maturity of this technology is used more extensive.Removed key and the difficult point that is the separation regeneration technology of separating of the aluminium foil of the aluminium plastic composite packaging material behind the paper pulp and plastics.
At present, when the aluminium plastic composite packaging material that aluminium foil and plastics are compounded to form separates, usually adopt the wet separation technology, being about to aluminium plastic composite packaging material is soaked in the release agent, thereby the cohesive force that destroys between each layer by dissolving or swelling action makes aluminium, moulds separately, realize the Chemical Decomposition of plastic-aluminum, this process also can be described as the Chemical Decomposition reaction of plastic-aluminum; And then dry, physical separation that separation etc. realizes plastic-aluminum.
For this reason, prior art has proposed a kind of realization aluminium plastic composite packaging material continuous separating system, comprise and soak separator, centrigugal swing dryer and cylinder centrifugal dressing machine, wherein, be provided with the axle spiral in the immersion separator and transmitted material, its separation process may further comprise the steps: (1) is dropped into aluminium plastic composite packaging material and is loaded with in this immersion separator of release agent, and process is carried out Chemical Decomposition, and by there being the axle spiral to transfer to centrigugal swing dryer; (2) centrigugal swing dryer can dry processing with the chemically separated material of the process of sending into, and removes release agent wherein, and the material after drying is sent to centrifugal dressing machine; (3) centrifugal dressing machine utilizes under the center rotor effect of high speed rotating, aluminium foil is separated with plastics, and be expelled to respectively plastic granulator and eddy current sorter, and the eddy current sorter can be connected with the aluminium smelting apparatus and obtains aluminium.
But, in the existing continuous separating system, employing has the axle spiral to carry out in the immersion separator of material transferring, because the restriction of axle spiral self structure being arranged, what cause having axle screw diameter and length all can not do is excessive, thereby greatly limited the separating treatment ability of separator to material, so that the material disposal ability of whole piece-rate system is relatively poor; And there is the pliability of axle spiral relatively poor, feed blocking easily occurs, affect the feed separation treatment effect of whole piece-rate system; In addition, in the existing piece-rate system, the release agent that screen centrifuge grades in the physical separating process is discharged as waste water usually, causes release agent to be wasted, and the utilization rate of release agent is not high, and the release agent consumption is large.Generally, existing continuous separation technology is difficult for realizing aluminium plastic composite packaging material is carried out industrialized extensive continuously separating treatment.
The utility model content
The utility model provides a kind of horizontal continuous separating system of aluminium plastic composite packaging material that release agent reclaims that has, can overcome the defective that the material disposal ability is poor and the release agent consumption is large that existing piece-rate system exists, but Effective Raise material disposal ability, the consumption of minimizing release agent.
The utility model provides a kind of horizontal continuous separating system of aluminium plastic composite packaging material that release agent reclaims that has, comprise aluminium plastic composite packaging material is carried out the separating reaction device that Chemical Decomposition is processed, and to carry out the horizontal separation spin-drying device of physical separation processes through the aluminium plastic composite packaging material after the Chemical Decomposition, wherein:
Described separating reaction device comprises the separator with cavity, and interior reaction spiral and the discharging spiral of cavity that is arranged on described separator;
Described separator comprises conversion zone and discharging section, and the feed end away from described discharging section on the described conversion zone is provided with charging aperture, and the discharge end away from described conversion zone on the described discharging section is provided with discharging opening, and the height of described discharge end is higher than the height of feed end;
Described reaction spiral is arranged in the cavity of described conversion zone, and described discharging spiral is arranged in the cavity of described discharging section, and the relatively described reaction spiral of described discharging spiral vertically arranges;
Described reaction spiral and discharging spiral are shaftless helical structure, and an end of described discharging spiral and reaction spiral is respectively arranged with motor;
Described horizontal separation spin-drying device comprises:
The cylindrical shell that is obliquely installed, described cylindrical shell comprise inner barrel and the outer cylinder body that the gap arranges, and are provided with sieve aperture on the barrel of described inner barrel;
Position near first end on the described cylindrical shell is provided with the first charging aperture that runs through described inner barrel and outer cylinder body, and the first discharge gate that runs through described outer cylinder body, position near the second end on the described cylindrical shell is provided with the second discharge gate that runs through described inner barrel and outer cylinder body, and the height of described first end is lower than the height of described the second end; Described the first charging aperture is connected with discharging opening on the described separating reaction device, described the first discharge gate is used for and will discharges through the aluminium foil after the physical separation processes and release agent mixture, and described the second discharge gate is used for and will discharges through the plastics after the physical separation processes;
Be provided with rotating shaft in the described inner barrel, be interrupted being provided with a plurality of sickle blades in the described rotating shaft, and described a plurality of sickle blade distribute in the shape of a spiral; One end of described cylindrical shell is provided with the motor that is connected with described rotating shaft;
Described system also comprises: sedimentation centrifuge and release agent Buffer Pool, the charging aperture of described sedimentation centrifuge is connected with described horizontal the first discharge gate that separates spin-drying device, is used for aluminium foil and release agent mixture that described horizontal separation spin-drying device is discharged are carried out separating treatment;
Described release agent Buffer Pool is connected with the liquid-phase outlet of described sedimentation centrifuge, be used for storing the release agent that described sedimentation centrifuge is discharged, and described separation buffer pond is connected to the charging aperture of described separating reaction device by liquor pump and pipeline.
The horizontal continuous separating system of aluminium plastic composite packaging material with release agent recovery that the utility model provides, by the separating reaction device that adopts shaftless spiral aluminium plastic composite packaging material being carried out Chemical Decomposition processes, and the horizontal separation spin-drying device by being provided with the sickle blade is to drying and separating treatment through chemically separated aluminium plastic composite packaging material, but Effective Raise aluminium plastic composite packaging material separating treatment ability, in to the aluminium plastic composite packaging material processing procedure, can effectively avoid the problem of feed blocking, reduce the generation of waste water; Simultaneously, by separation buffer pond and liquor pump are set, can effectively the release agent in the separating treatment be recycled, reduce the consumption of release agent.The piece-rate system that the utility model provides has stronger material disposal ability, can reduce the consumption of release agent simultaneously, has preferably industrial applicibility, is convenient to the promotion and application of piece-rate system.
Description of drawings
The structural representation with horizontal continuous separating system of aluminium plastic composite packaging material that release agent reclaims that Fig. 1 provides for the utility model embodiment;
Fig. 2 A is the structural representation of separating reaction device among Fig. 1;
Fig. 2 B be among Fig. 2 A A-A to cutaway view;
Fig. 2 C be among Fig. 2 A B-B to cutaway view;
Fig. 3 A is the structural representation of horizontal separation spin-drying device among Fig. 1;
Fig. 3 B is the local enlarged diagram at A place among Fig. 3 A;
Fig. 3 C is the cross section enlarged diagram of Fig. 3 A shaft and sickle blade;
Fig. 4 is the concrete structural representation of using of the utility model embodiment.
The specific embodiment
In view of the feed separation disposal ability that the prior art piece-rate system exists relatively poor, easily produce feed blocking and the large problem of waste water generation, the utility model provides a kind of horizontal continuous separating system of aluminium plastic composite packaging material that release agent reclaims that has, by adopting the separating reaction device of shaftless helical structure, and adopt can be simultaneously to dry the horizontal spin-drying device that separates with separating treatment through the aluminium plastic composite packaging material after the Chemical Decomposition, but the continuity that the Effective Raise aluminium plastic composite packaging material is processed, reduce the loss of release agent and aluminium bits, reduce the generation of waste water, improve aluminium plastic composite packaging material separating treatment ability; Simultaneously, by release agent Buffer Pool and liquor pump are set, can recycle the release agent in the physical separation processes process, improve the utilization rate of release agent, reduce the consumption of release agent.The below will be described in detail technical solutions of the utility model with instantiation.
The structural representation with horizontal continuous separating system of aluminium plastic composite packaging material that release agent reclaims that Fig. 1 provides for the utility model embodiment; Fig. 2 A is the structural representation of separating reaction device among Fig. 1; Fig. 2 B be among Fig. 2 A A-A to cutaway view; Fig. 2 C be among Fig. 2 A B-B to cutaway view; Fig. 3 A is the structural representation of horizontal separation spin-drying device among Fig. 1; Fig. 3 B is the local enlarged diagram at A place among Fig. 3 A; Fig. 3 C is the cross section enlarged diagram of Fig. 3 A shaft and sickle blade.As shown in Figure 1, the present embodiment piece-rate system comprises separating reaction device 10, horizontal separation spin-drying device 20 and sedimentation centrifuge 30, wherein, separating reaction device 10 is used for that aluminium plastic composite packaging material is carried out Chemical Decomposition to be processed, aluminium plastic composite packaging material can be immersed in and carry out Chemical Decomposition reaction in the release agent, with wherein aluminium, mould separation; Horizontal separation spin-drying device 20 can be used for the chemically separated aluminium plastic composite packaging material after processing through separating reaction device 10 is dried and physical separation processes, with aluminium foil and plastics physical separation wherein, simultaneously plastics is carried out depickling and processes; Can directly make plastic product from the plastics that horizontal separation spin-drying device 20 is discharged, aluminium foil and the release agent of discharging can enter sedimentation centrifuge 30, sedimentation centrifuge 30 can carry out centrifugal treating to aluminium foil and release agent, with the aluminium foil depickling, aluminium foil after the depickling can be discharged from the solid phase outlet, release agent can be discharged from liquid-phase outlet, and enters into the release agent Buffer Pool 801 that is connected with the liquid-phase outlet of sedimentation centrifuge 30; Simultaneously, the release agent in the release agent Buffer Pool 801 can be drawn back to separating reaction device 10 by liquor pump 802, so that release agent is recycled.
For ease of the understanding to the utility model embodiment technical scheme, the below will describe with the horizontal spin-drying device 20 that separates the separating reaction device 10 in the present embodiment respectively.
In the present embodiment, shown in Fig. 2 A-Fig. 2 C, separating reaction device 10 specifically can comprise separator 101, reaction spiral 102 and discharging spiral 103, wherein, this separator 101 has the cavity of hollow, and this separator 101 comprises conversion zone 1011 and discharging section 1012, feed end A1 place away from discharging section 1012 on the conversion zone 1011 is provided with charging aperture 10111, being provided with discharging opening 10121(away from the discharge end A2 place of conversion zone 1011 on the discharging section 1012 asks for an interview shown in Fig. 2 C), the height of this discharge end A2 is higher than the height of feed end A1; Reaction spiral 102 is arranged in the cavity of conversion zone 1011, and discharging spiral 103 is arranged in the cavity of discharging section 1012, and discharging spiral 103 relative response spirals 102 vertically arrange; Reaction spiral 102 and discharging spiral 103 are the shaftless helical structure shown in Fig. 2 A, are installed in respectively the two ends of conversion zone 1011 and discharging section 1012, and the installation of its concrete mounting structure and traditional shaftless helical structure is similar, does not repeat them here; One end of discharging spiral 103 and reaction spiral 102 is respectively arranged with the motor 104 that drives the helical structure rotary work.In the present embodiment, can be full of release agent in the cavity of the conversion zone 1011 of separating reaction device 10, process aluminium plastic composite packaging material is carried out Chemical Decomposition, particularly, can utilize reaction spiral 102 rotatablely moving in conversion zone, to be sent to discharging spiral 103 from the aluminium plastic composite packaging material that charging aperture 10111 drops into, in this transport process, carry out Chemical Decomposition under the release agent effect that aluminium plastic composite packaging material can be full of in conversion zone 1011, the aluminium plastic composite packaging material after processing through Chemical Decomposition can be discharged by discharging opening 10121 by discharging spiral 103.
In the present embodiment, when aluminium plastic composite packaging material was carried out separating treatment, can be full of in the conversion zone 1011 of separator 101 in advance had release agent; Separate and without the full wafer aluminium plastic composite packaging material of fragmentation, can continuously put into the separator 101 from the charging aperture 10111 of conversion zone 1011 through paper substrate; The full wafer aluminium plastic composite packaging material of putting in the separator 101 can be in conversion zone 1011, rotation with reaction spiral 102, discharge end to conversion zone 1011 is an end motion of close discharging spiral 103 on one side, on one side with conversion zone 1011 in release agent carry out the Chemical Decomposition reaction, and release agent does not move with aluminium plastic composite packaging material and is present in all the time in the conversion zone 1011; Through the aluminium plastic composite packaging material after the Chemical Decomposition, after entering into discharging section 1012, can be with the rotation of the discharging spiral 103 of discharging section 1012 interior settings, to discharging opening 10121 motions that are arranged on discharging section 1012 ends, and from discharging opening 10121 discharges, meanwhile, the release agent carried secretly of aluminium plastic composite packaging material flows back in the conversion zone 1011 from the gap between discharging spiral 103 and discharging section 1012 cavitys; The chemically separated aluminium plastic composite packaging material of process from discharging opening 10121 discharges, can enter in the horizontal separation spin-drying device 20 as shown in Figure 1, and dried and separating treatment through the aluminium plastic composite packaging material after the Chemical Decomposition by 20 pairs of horizontal separation spin-drying devices, obtain aluminium foil and the plastics of physical separation, its specific implementation process will elaborate below.
In the separating reaction device 10 of the present embodiment, the reaction spiral 102 and the discharging spiral 103 that are used for the transmission material are shaftless helical structure, like this, shaftless spiral is when making, can have better suppleness, less demanding to the spiral alignment, so that the length of shaftless spiral and diameter all can be done is larger, particularly for reaction spiral 102, because long enough and diameter that reaction spiral 102 can be done are enough large, the material of its transmission is just more, and can not produce feed blocking, but Effective Raise material disposal ability.Can find out, for adopting the separator that the axle spiral is arranged in the existing piece-rate system, because the restriction of axle helical structure being arranged, cause having axle spiral toughness relatively poor, require high to the spiral alignment, so that larger that the diameter of axle spiral and length all can not do arranged, have a strong impact on the feed separation disposal ability, and easy blockage phenomenon, and the present embodiment piece-rate system is by adopting shaftless helical structure to carry out the transmission of material, but Effective Raise feed separation disposal ability, and be difficult for producing feed blocking, thereby the feed separation disposal ability of whole piece-rate system can be improved.
In the present embodiment, for guaranteeing the Chemical Decomposition effect of aluminium plastic composite packaging material in conversion zone 1011, the shell of conversion zone 1011 can be double-deck shell, has the space between this double-deck shell, and the internal layer of the cavity of close conversion zone 1011 is the heat conduction shell layer, like this, when aluminium plastic composite packaging material is separated, can be in the space of this double-deck shell water flowing steam, can remain on certain temperature range with the temperature of guaranteeing the release agent in the conversion zone 1011, improve the Chemical Decomposition effect of aluminium plastic composite packaging material.In the practical application, whole separator 101 can be one-body molded, shell can adopt the stainless steel double layer jacket structure, like this, when aluminium plastic composite packaging material is separated, just can guarantee temperature in the cavity of separator 101 by water flowing steam mode in chuck, guarantee the separating effect of aluminium plastic composite packaging material.It will be appreciated by those skilled in the art that, double-deck shell is except can adopting the stainless steel making, also can adopt other materials to be made, for example skin can be non-wear resistant corrosion resistant heat-barrier material, and internal layer is the double-deck shell of wear resistant corrosion resistant Heat Conduction Material, like this, can avoid because being connected with to external world environment of water vapour in the separator shell, particularly operating personnel bring harm, improve the security of separator work, also can reduce the material cost of separator shell.
It will be understood by those skilled in the art that in the above-mentioned double-deck shell, except can water flowing steam with the temperature of guaranteeing release agent in the conversion zone, also can be connected with other high-temp liquids or gas, the present embodiment also is not particularly limited.
In the separating reaction device 10 of the present embodiment, shown in Fig. 2 A-Fig. 2 C, be provided with 2 reaction spirals 102 in the conversion zone 1011, discharging section 1012 is interior to be provided with 2 discharging spirals 103 equally, and discharging spiral 103 and reaction spiral 102 are oppositely arranged.
Particularly, shown in Fig. 2 A-Fig. 2 C, in the present embodiment, 2 reaction spirals 102 are set in parallel in the cavity of conversion zone 1011,2 respectively relatively these 2 reaction spirals 102 settings of discharging spiral 103, and the angle between the rotating shaft of reaction spiral 102 and discharging spiral 103 is 90 °, and the angle between the rotating shaft of 2 discharging spirals 103 is set to 120 °, and is 60 ° with the angle of plumb line.Reaction spiral and discharging spiral arrange like this, can guarantee the chemically separated material of process that sends from conversion zone 1011, can better discharge with the discharging spirals 103 in the discharging section 1012, and the setting of convenient reaction drive motors and discharging drive motors; Simultaneously, during 10 work of separating reaction device, only reaction spiral 102 need to be immersed in the release agent that is full of in the conversion zone 1011, discharging spiral 103 does not then need to be immersed in the release agent, thereby avoid carrying a large amount of release agents by the material that discharging opening is discharged, thereby save the use amount of release agent.Can find out, by the setting to discharging spiral 103 and reaction spiral 102 relative positions, but the material that 103 pairs of reactions of Effective Raise discharging spiral spiral 102 sends in time process, avoid material to pile up in the end of discharging spiral 103.
In the present embodiment, the cavity of conversion zone 1011 can comprise 2 U-shaped grooves 10112, and 2 U-shaped groove sides communicate with each other without the intermediate cavity body wall; 2 reaction spirals 102 can be separately positioned in these 2 the U-shaped grooves 10112.Can find out, the setting of 2 U-shaped grooves 10112 can reduce by 2 phase mutual interference between the reaction spiral 102 so that 2 reaction spirals 102 are worked respectively in each groove, improve the convenience that reaction spiral 102 is installed, and the reliability and stability of work; Simultaneously, in the situation that improve the material disposal ability, also can reduce the material consumption of separator, reduce the occupation of land space of separator.
In the present embodiment, shown in Fig. 2 A and Fig. 2 C, discharging section 1012 can comprise the first discharging section 10122 and second discharging section 10123 of separate setting, the first discharging section 10122 and the second respectively relative response section 1011 vertical settings of discharging section 10123,2 discharging spirals 103 are separately positioned in the cavity of the first discharging section 10122 and in the cavity of the second discharging section 10123, discharging spiral 103 can vertically arrange by relative response spirals 102.It will be appreciated by those skilled in the art that, the first discharging section 10122 and the second discharging section 10123 are respectively arranged with discharging opening away from the end of reaction spiral 102, in order to can discharge from the discharging opening of each discharging section respectively with the material that discharging spiral 103 is discharged, like this, the chemically separated aluminium plastic composite packaging material of process that each discharging opening is discharged, can send into respectively horizontal separation spin-drying device and carry out physical separation processes, thereby improve separating reaction device 10 chemical treatment efficient.
In the present embodiment, for improving the stability of shaftless spiral work, and material can better with screw, can at the end of reaction spiral 102 away from charging aperture, namely near an end of discharging spiral 103, arrange the reaction drive motors; Can at the end of discharging spiral 103 near discharging opening, namely away from an end of reaction spiral 102, the discharging drive motors be set.Like this, the reaction drive motors just is arranged on the discharge end of reaction spiral, and the discharging drive motors just is arranged on the discharge end of discharging spiral, but the ability of the shaftless spiral transmission of Effective Raise material.
Horizontal separation spin-drying device 20
In the present embodiment, horizontal separation spin-drying device 20 can dry and separating treatment the aluminium plastic composite packaging material after processing through Chemical Decomposition, particularly, shown in Fig. 3 A-Fig. 3 C, horizontal separation spin-drying device 20 can comprise cylindrical shell 301, rotating shaft 302, bracing frame 303 and motor 304, wherein, cylindrical shell 301 is fixed on the bracing frame 303, and be obliquely installed, this cylindrical shell 301 comprises inner barrel 3011 and outer cylinder body 3012, have the gap between this inner barrel 3011 and the outer cylinder body 3012, and be provided with the sieve aperture (not shown) on the barrel of inner barrel 3011, namely the outer wall of inner barrel 3011 can be the screen cloth composition; Be provided with rotating shaft 302 in the cavity of inner barrel 3011, be interrupted being provided with a plurality of sickle blades 3021 in the rotating shaft 302, these a plurality of sickle blades 3021 distribute in rotating shaft 302 in the shape of a spiral; Position near first end B2 on the cylindrical shell 301 is provided with the first charging aperture 3014 that runs through inner barrel 3011 and outer cylinder body 3012, and the first discharge gate 3015 that runs through outer cylinder body 3012, position near the second end B1 on the cylindrical shell 301 is provided with the second discharge gate 3013 that runs through inner barrel 3011 and outer cylinder body 3012, and the height of first end B2 is lower than the height of the second end B1; Motor 304 is installed in the first end B2 place of cylindrical shell 301, and is installed on the bracing frame 303, is connected with rotating shaft 302, is used for drive shaft 302 work.
In the present embodiment, the chemically separated aluminium plastic composite packaging material of process that separating reaction device 10 is discharged can enter in the inner barrel 3011 from the first charging aperture 3014 of the cylindrical shell 301 of horizontal separation spin-drying device 20; Drive rotating shaft 302 rotations by control motor 304, can fragmentation be peeled off so that enter aluminium foil in the material in the inner barrel 3011 under the strike effect that is interrupted the sickle blade 3021 that arranges, and the sickle blade integral distributes in the shape of a spiral, the the second end B1 that is impacted in the process also to cylindrical shell 301 at material transmits, in this process, entered gap between inner barrel 3011 and the outer cylinder body 3012 will the sieve aperture from inner barrel 3011 barrels by the aluminium that impacted out bits, and finally fall the first discharge gate 3015 that is positioned at cylindrical shell 301 belows, discharged by the first discharge gate 3015, and plastics all also are the larger shape of full wafer or volume generally, these plastics can be discharged from the second discharge gate 3013 that is positioned at cylindrical shell 301 tops, thereby realize the physical separation of plastic-aluminum.In the process of plastic-aluminum physical separation, the centrifugal force that rotating shaft 302 rotations produce can be removed the release agent on the plastics simultaneously, plastics are removed acid treatment, and the release agent of deviating from can be discharged from the first discharge gate 3015 with the aluminium bits, these release agents can be recovered utilization again, thereby reduce the consumption of release agent, reduce wastewater treatment.
In the present embodiment, for reaching preferably aluminum-plastic separation effect, shown in Fig. 3 A-Fig. 3 C, the length d of sickle blade 3021 can be 10cm-15cm, and the height h of sickle blade 3021 can be 5cm, in addition, sickle blade 3021 is 75 ° with the axial angle a of rotating shaft 302, so that a plurality of sickle blades 3021 integral body in rotating shaft 302 that the interval arranges distributes in the shape of a spiral.By test, the setting of above-mentioned sickle blade 3021 can be so that the plastic-aluminum physical separation rate of the aluminium plastic composite packaging material after the Chemical Decomposition reaches 99.5%, and the drying degree of plastics can reach 97.5%, so that the plastics after separating can directly carry out plastic granulating.
In the present embodiment, for so that aluminium after plastic-aluminum physical separation bits quality, the purity that is the aluminium bits is higher, and the diameter of sieve aperture can be set to 2mm-3mm on the barrel of inner barrel 3011, through overtesting, during horizontal separation spin-drying device 20 work, the diameter of the plastics that produce in the drying process generally can be greater than 3mm, therefore, and when sieve diameter during in this size range, can effectively avoid plastics to sneak into aluminium bits, and can guarantee that the aluminium bits all discharge from sieve aperture.
In the present embodiment, for avoiding aluminium plastic composite packaging material at horizontal separation spin-drying device 20 interior twisting shafts 302, the diameter d 1 of this rotating shaft 302 can be set to be equal to or greater than 20cm.Like this, in to material drying, separation process, can avoid the winding of larger pieces of material countershaft 302.
In the present embodiment, when 20 pairs of chemically separated plastic-aluminums of horizontal separation spin-drying device carry out physical separation processes, can carry out continuously, separate efficiently, and can reclaim respectively aluminium bits and plastics, and in the process of separating, can dry plastics, so that the release agent of deviating from can be discharged with the aluminium bits, reduced the waste of release agent, have preferably aluminum-plastic separation effect; Simultaneously, during horizontal separation spin-drying device practical application in industry, piece-rate system with separating reaction installation composition in the present embodiment, but the suitability for industrialized production of to satisfy effectively continuous feed and discharging, be convenient to respectively recovery and the utilization of plastic-aluminum, have advantages of that the drying degree is high, output is large, can be convenient to industrialization promotion and application, have preferably promotional value.
In the present embodiment, shown in Fig. 1-Fig. 3 C, for processing considering to be worth doing through the aluminium after the physical separation processes, piece-rate system also can be provided with sedimentation centrifuge 30 and eddy current sorter 40, wherein, the charging aperture of sedimentation centrifuge 30 can be connected with horizontal the first discharge gate 3015 that separates spin-drying device 20, is used for that the aluminium foil of discharging from horizontal separation spin-drying device 20 is carried out depickling and processes, and the release agent that is about to wherein removes; Eddy current sorter 40 is connected with the solid phase outlet of sedimentation centrifuge 30, is used for removing the paper pulp that aluminium foil may exist.Sedimentation centrifuge 30 described in the present embodiment and eddy current sorter 40 all can adopt traditional equipment, and its specific implementation does not repeat them here.
In the present embodiment, shown in Fig. 1-Fig. 3 C, the aluminium plastic composite packaging material that enters from the charging aperture 10111 of separating reaction device 10, can in separating reaction device 10, be sent to discharging opening 10121 by shaftless spiral, and in transport process, finish and the Chemical Decomposition reaction that wherein is full of release agent, aluminium foil is separated from plastics, finish the Chemical Decomposition of aluminium plastic composite packaging material; Can directly enter from discharging opening 10121 the first charging aperture 3014 of horizontal separation spin-drying device 20 through chemically separated aluminium plastic composite packaging material, and under the rotating shaft of the sickle blade of horizontal separation spin-drying device 20 interior settings drives, realize the physical separation of plastic-aluminum, aluminium bits after the separation are discharged from horizontal the first discharge gate 3015 and the second discharge gate 3013 that separates spin-drying device 20 respectively with plastics, simultaneously, in the plastic-aluminum physical separating process, release agent in the aluminium plastic composite packaging material also can be discharged from the first discharge gate 3015 with the aluminium bits, thereby realizes the depickling of plastics is processed; From the plastics that the second discharge gate 3013 is discharged, to process through depickling, the processing of can directly packing perhaps also can be carried out the processing of packing after simple rinsing is processed, and obtains final plastic product; Aluminium bits and the release agent of discharging from the first discharge gate 3015 can re-start the depickling processing, so that release agent is broken away from from the aluminium bits, obtain required aluminium bits, and simultaneously, the release agent that removes can re-use.
In the present embodiment, by shaftless spiral is set aluminium plastic composite packaging material is transmitted in the separating reaction device 10, but the Effective Raise aluminium plastic composite packaging material carries out the ability that Chemical Decomposition is processed; Simultaneously, can directly dry and separate by horizontal separation spin-drying device 20 through chemically separated aluminium plastic composite packaging material, can avoid the existing centrigugal swing dryer that adopts separately respectively to dry and adopt centrifugal dressing machine to carry out the low large problem of waste water generation that reaches of the existing drying rate of feed separation, separation rate, disposal ability, can effectively reduce the loss of aluminium bits and release agent, and reduce and process energy consumption.
In the present embodiment, as shown in Figure 1, the first discharge gate of horizontal separation spin-drying device 20 is connected with the charging aperture of sedimentation centrifuge 30, this sedimentation centrifuge 30 can carry out separating treatment to aluminium foil and the release agent mixture that enters from the first discharge gate, this sedimentation centrifuge 30 specifically can be the sedimentation centrifugal device of traditional structure, by centrifugal action release agent is separated from aluminium foil, so that aluminium foil can be discharged from the solid phase outlet, the release agent of separation can be discharged from liquid-phase outlet.
In the present embodiment, as shown in Figure 1, the liquid-phase outlet of sedimentation centrifuge 30 is connected with release agent Buffer Pool 801, and this release agent Buffer Pool 801 can be kept in the release agent of discharging from sedimentation centrifuge 30; Simultaneously, this release agent Buffer Pool 801 is connected to the charging aperture of separating reaction device 10 by pipeline, and liquor pump 802 is installed on the pipeline, release agent in the release agent Buffer Pool 801 can be pumped to separating reaction device 10 by liquor pump 802, so that release agent is recycled, can improve the utilization rate of release agent, reduce the release agent consumption of piece-rate system.
For ease of the utility model embodiment technical scheme is had a better understanding, the below describes the concrete application of the utility model embodiment.
Fig. 4 is the concrete structural representation of using of the utility model embodiment.In the present embodiment, as shown in Figure 4, be provided with 2 separating reaction devices 10 and 2 horizontal spin-drying devices 20 that separate in this piece-rate system, and by sharing centrigugal swing dryer 30 and eddy current sorter 40, and other auxiliary equipment realize aluminium plastic composite packaging material is carried out continuous separating treatment, have preferably industrial applicibility.Particularly, as shown in Figure 4, separating reaction device 10 charging apertures are connected with formic acid holding vessel 501 and nitric acid storage tank 502, and are connected with plastic-aluminum conveyer belt 60; 2 horizontal separation spin-drying devices 20 are connected with 2 separating reaction devices 10 respectively, and the first discharge gate of 2 horizontal separation spin-drying devices 20 all is connected with sedimentation centrifuge 30, the second discharge gate of horizontal separation spin-drying device 20 can be sent the plastics of discharging into potcher 702 and plastics baling press 703 by conveyer belt 701, plastics are done further processing; The solid phase outlet of sedimentation centrifuge 30 is connected to eddy current sorter 40, and liquid-phase outlet is connected to release agent cache pool 801, and release agent cache pool 801 is connected to the charging aperture of separating reaction device 10 by liquor pump 802.The below will describe the whole separation process of the present embodiment piece-rate system to aluminium plastic composite packaging material.
(1) before aluminium plastic composite packaging material is processed, be first that separating reaction device 10 injects release agent, particularly, can pass through formic acid storage tank 501 and nitric acid holding vessel 502, to separating reaction device 10 interior injection formic acid and salpeter solutions, as release agent, and be full of the cavity of conversion zone in the separating reaction device 10.Nitric acid wherein is to use as the PH conditioning agent, and the concentration of formic acid is 2-4mol/L, and concentration of nitric acid is 0.010-0.025mol/L.
(2) will send into continuously without the full wafer aluminium plastic composite packaging material of fragmentation the charging aperture of separating reaction device 10 from plastic-aluminum conveyer belt 60, control simultaneously the rotary speed of reaction spiral in the transfer rate of plastic-aluminum conveyer belt 60 and the separating reaction device 10, guarantee that the liquid-solid ratio between the release agent and aluminium plastic composite packaging material is 30:1-15:1 in the separating reaction device 10; Simultaneously, can in the gap of the separator shell of separating reaction device 10, pass into water vapour, maintain 40 ℃-75 ℃ with the temperature of guaranteeing release agent wherein.
(3) enter under the drive of the reaction spiral that the aluminium plastic composite packaging material of separating reaction device 10 can be in conversion zone on one side and release agent generation separating reaction, on one side to the discharging section motion, in this process, can realize the Chemical Decomposition of aluminium plastic composite packaging material; The aluminium plastic composite packaging material that enters discharging section can under the drive of discharging spiral, be discharged from the discharging opening of separating reaction device 10, and enter horizontal separation spin-drying device 20 from the discharging opening of horizontal separation spin-drying device 20.In this process, for guaranteeing the chemically separated effect of aluminium plastic composite packaging material, can suitably control the rotary speed of reaction spiral, so that aluminium plastic composite packaging material is just finished the Chemical Decomposition of plastic-aluminum when entering discharging section, particularly, can controlling the rotating speed of reaction spiral in the present embodiment system, to make the time of aluminium plastic composite packaging material in release agent be 30 minutes-40 minutes.
(4) enter horizontal separation spin-drying device 20 and the chemically separated aluminium plastic composite packaging material of process, under the rotating shaft High Rotation Speed effect in horizontal separation spin-drying device 20, the aluminium bits can be hit down from plastic sheeting, realize the physical separation of plastic-aluminum, simultaneously plastic sheeting is carried out depickling and dry processing, and the plastic sheeting after the physical separation is discharged from the second discharge gate, and aluminium bits, release agent and a small amount of plastics and paper pulp are discharged from the first discharge gate.
The plastic sheeting of (5) discharging from the second discharge gate can be sent to plastics baling press 703 through conveyer belt 701, to the plastic sheeting processing of packing, plastics after obtaining processing, and in this process, can take off the processing of packing again after washing through the release agent of a little in 702 pairs of plastic sheetings of potcher.
Aluminium bits, release agent and a small amount of paper pulp and plastics of (6) discharging from the first discharge gate can enter sedimentation centrifuge 30, carrying out depickling processes, the acid solution that removes is that release agent and a small amount of plastics can be discharged from the liquid-phase outlet of sedimentation centrifuge 30, and the aluminium bits after depickling is processed and a small amount of paper pulp then can be discharged from the solid phase outlet of sedimentation centrifuge 30;
The aluminium bits of (7) discharging from sedimentation centrifuge 30 enter eddy current sorter 40 with a small amount of paper pulp and remove pulp processing, aluminium bits or paper pulp and recirculated water are pumped to the eddy current sorter, paper pulp and a small amount of aluminium bits are discharged from the top of eddy current sorter 40 with part recirculated water, and most of aluminium bits are discharged from eddy current sorter 40 bottoms with recirculated water;
The aluminium bits of (8) discharging from eddy current sorter 40 bottoms enter screw centrifuge 901 with recirculated water and carry out processed, for further reducing aluminium bits moisture content, the aluminium bits of discharging from screw centrifuge 901 also need enter dryer 902 and carry out drying and processing, and the aluminium bits after the oven dry namely are the aluminium bits products after the final physical separation.
The paper pulp of (9) discharging from eddy current sorter 40 tops and a small amount of aluminium bits can enter Wet type drum and sieve 111 and carry out paper and separate, paper pulp and recirculated water drain into the slanted screen 112 that Wet type drum sieves 111 bottoms by the sieve aperture of Wet type drum sieve 111, can return the recycled writing paper production technology behind a small amount of paper pulp that sifts out from slanted screen 112; Can again enter eddy current sorter 40 separating treatment that circulates from Wet type drum sieve 111 terminal a small amount of aluminium bits of discharging.
After the release agent of (10) discharging from sedimentation centrifuge 30 and a small amount of broken plastic warp are crossed screen cloth 803 and are leached broken plastics, enter release agent cache pool 801, and return separating reaction device 10 by liquor pump 802 and carry out recyclingly, a small amount of broken plastics that screen cloth 803 leaches can return to horizontal separation spin-drying device 20 and carry out circular treatment.
Can find out, the present embodiment piece-rate system can effectively be carried out separating treatment to aluminium plastic composite packaging material, can realize the continuous separation technology that aluminium plastic composite packaging material is processed, can effectively save time loss reinforced, discharging, the separating reaction time can foreshorten to 35min, but the Effective Raise separation treatment efficiency.
In the present embodiment, piece-rate system can be provided with a control device, be used for separating reaction device 10, horizontal separation spin-drying device 20, sedimentation centrifuge 30 and each conveyer belt, pump etc. are controlled, after guaranteeing each equipment operation, can carry out separating treatment to aluminium plastic composite packaging material continuously.
It should be noted that at last: above each embodiment is not intended to limit only in order to the technical solution of the utility model to be described; Although with reference to aforementioned each embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. one kind has the horizontal continuous separating system of aluminium plastic composite packaging material that release agent reclaims, it is characterized in that, comprise aluminium plastic composite packaging material is carried out the separating reaction device that Chemical Decomposition is processed, and to carry out the horizontal separation spin-drying device of physical separation processes through the aluminium plastic composite packaging material after the Chemical Decomposition, wherein:
Described separating reaction device comprises the separator with cavity, and interior reaction spiral and the discharging spiral of cavity that is arranged on described separator;
Described separator comprises conversion zone and discharging section, and the feed end away from described discharging section on the described conversion zone is provided with charging aperture, and the discharge end away from described conversion zone on the described discharging section is provided with discharging opening, and the height of described discharge end is higher than the height of feed end;
Described reaction spiral is arranged in the cavity of described conversion zone, and described discharging spiral is arranged in the cavity of described discharging section, and the relatively described reaction spiral of described discharging spiral vertically arranges;
Described reaction spiral and discharging spiral are shaftless helical structure, and an end of described discharging spiral and reaction spiral is respectively arranged with motor;
Described horizontal separation spin-drying device comprises:
The cylindrical shell that is obliquely installed, described cylindrical shell comprise inner barrel and the outer cylinder body that the gap arranges, and are provided with sieve aperture on the barrel of described inner barrel;
Position near first end on the described cylindrical shell is provided with the first charging aperture that runs through described inner barrel and outer cylinder body, and the first discharge gate that runs through described outer cylinder body, position near the second end on the described cylindrical shell is provided with the second discharge gate that runs through described inner barrel and outer cylinder body, and the height of described first end is lower than the height of described the second end; Described the first charging aperture is connected with discharging opening on the described separating reaction device, described the first discharge gate is used for and will discharges through the aluminium foil after the physical separation processes and release agent mixture, and described the second discharge gate is used for and will discharges through the plastics after the physical separation processes;
Be provided with rotating shaft in the described inner barrel, be interrupted being provided with a plurality of sickle blades in the described rotating shaft, and described a plurality of sickle blade distribute in the shape of a spiral; One end of described cylindrical shell is provided with the motor that is connected with described rotating shaft;
Described system also comprises: sedimentation centrifuge and release agent Buffer Pool, the charging aperture of described sedimentation centrifuge is connected with described horizontal the first discharge gate that separates spin-drying device, is used for aluminium foil and release agent mixture that described horizontal separation spin-drying device is discharged are carried out separating treatment;
Described release agent Buffer Pool is connected with the liquid-phase outlet of described sedimentation centrifuge, be used for storing the release agent that described sedimentation centrifuge is discharged, and described separation buffer pond is connected to the charging aperture of described separating reaction device by liquid pump and pipeline.
2. the horizontal continuous separating system of aluminium plastic composite packaging material with release agent recovery according to claim 1 is characterized in that, the shell of described conversion zone is double-deck shell;
Have the space between the described double-decker, and the internal layer of the cavity of close described conversion zone is the heat conduction shell layer.
3. the horizontal continuous separating system of aluminium plastic composite packaging material with release agent recovery according to claim 1 is characterized in that, the quantity of described reaction spiral and discharging spiral is 2;
2 described reaction spirals are set in parallel in the cavity of described conversion zone, 2 respectively relative 2 described reaction spirals settings of described discharging spiral, and the angle between the rotating shaft of described reaction spiral and discharging spiral is 90 °;
Angle between the rotating shaft of 2 described discharging spirals is 120 °, is 60 ° with the angle of plumb line.
4. the horizontal continuous separating system of aluminium plastic composite packaging material with release agent recovery according to claim 3 is characterized in that, the cavity of described conversion zone comprises 2 U-shaped grooves, and described 2 U-shaped groove sides communicate with each other without the intermediate cavity body wall;
2 described reaction spirals are separately positioned in described 2 U-shaped grooves.
5. the horizontal continuous separating system of aluminium plastic composite packaging material with release agent recovery according to claim 1 is characterized in that, the length of described sickle blade is 10cm-15cm, and the height of described sickle blade is 5cm;
The axial angle of described sickle blade and described rotating shaft is 75 °.
6. the horizontal continuous separating system of aluminium plastic composite packaging material with release agent recovery according to claim 1 is characterized in that, the diameter of described rotating shaft is more than or equal to 20cm.
7. the horizontal continuous separating system of aluminium plastic composite packaging material with release agent recovery according to claim 1 is characterized in that, also comprises:
The eddy current sorter is connected with the solid phase discharging opening of described sedimentation centrifuge, is used for removing the paper pulp of aluminium foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364407 CN202824098U (en) | 2012-07-25 | 2012-07-25 | Horizontal type continuous separation system for recycled aluminum plastic compound packaging material and provided with separation agents |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220364407 CN202824098U (en) | 2012-07-25 | 2012-07-25 | Horizontal type continuous separation system for recycled aluminum plastic compound packaging material and provided with separation agents |
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| Publication Number | Publication Date |
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| CN202824098U true CN202824098U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220364407 Withdrawn - After Issue CN202824098U (en) | 2012-07-25 | 2012-07-25 | Horizontal type continuous separation system for recycled aluminum plastic compound packaging material and provided with separation agents |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744246A (en) * | 2012-07-25 | 2012-10-24 | 中国环境科学研究院 | Separating agent recovery horizontal-type continuous separation system of aluminum-plastic compound package material |
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2012
- 2012-07-25 CN CN 201220364407 patent/CN202824098U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744246A (en) * | 2012-07-25 | 2012-10-24 | 中国环境科学研究院 | Separating agent recovery horizontal-type continuous separation system of aluminum-plastic compound package material |
| CN102744246B (en) * | 2012-07-25 | 2014-12-31 | 中国环境科学研究院 | Separating agent recovery horizontal-type continuous separation system of aluminum-plastic compound package material |
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