CN109129988B - Plastic waste recycling method - Google Patents
Plastic waste recycling method Download PDFInfo
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- CN109129988B CN109129988B CN201810891037.6A CN201810891037A CN109129988B CN 109129988 B CN109129988 B CN 109129988B CN 201810891037 A CN201810891037 A CN 201810891037A CN 109129988 B CN109129988 B CN 109129988B
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- cleaning
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- plastic bag
- box
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004064 recycling Methods 0.000 title claims abstract description 21
- 239000013502 plastic waste Substances 0.000 title claims abstract description 18
- 238000004140 cleaning Methods 0.000 claims abstract description 199
- 239000004033 plastic Substances 0.000 claims abstract description 117
- 229920003023 plastic Polymers 0.000 claims abstract description 117
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 71
- 239000007921 spray Substances 0.000 claims description 41
- 239000002699 waste material Substances 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 21
- 238000001802 infusion Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 208000028659 discharge Diseases 0.000 description 9
- 238000012546 transfer Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000011900 installation process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B2017/001—Pretreating the materials before recovery
- B29B2017/0015—Washing, rinsing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention relates to the technical field of plastic recycling, in particular to a plastic waste recycling method, which comprises the following steps: s1, putting the plastic bag into a cleaning device for cleaning; s2, softening the plastic bag cleaned in the step S1 in a heating furnace; s3, conveying the plastic bag softened in the S2 to the next process; the driving structure of the cleaning equipment adopted in the method is matched with the cleaning structure to enable the plastic bag to shake in a reciprocating mode in the cleaning structure, so that the cleaning structure is effectively prevented from being blocked by the plastic bag, the cleaning time of the plastic is convenient to control, and the cleaning efficiency and the quality of the plastic bag stored in the cleaned plastic bag are convenient.
Description
Technical Field
The invention relates to the technical field of plastic recycling, in particular to a plastic waste recycling method.
Background
With the rapid development of society, plastic products are widely used, plastic bags are bags made of plastics (common plastics include polyethylene, polypropylene, polyester, nylon and the like) as main raw materials, are essential articles in daily life of people, are often used for containing other articles, are widely used due to the advantages of low price, extremely light weight, large capacity and convenience in storage, and are banned from production and use in some countries due to the defects of extremely long degradation period and difficult treatment of the plastic bags.
However, the traditional waste plastic bags are treated in a burying and burning mode, so that environmental pollution is caused, and the plastic bags are not convenient to clean in the recycling process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a plastic waste recycling method, the driving structure of the cleaning equipment adopted by the method is matched with the cleaning structure to enable the plastic bag to shake in a reciprocating manner in the cleaning structure, so that the cleaning structure is effectively prevented from being blocked by the plastic bag, meanwhile, the cleaning time of the plastic is convenient to control, and the cleaned plastic bag is convenient to store; the cleaning structure is matched with the air valve for use, the plastic bag is washed through air, the plastic bag is effectively prevented from being stuck inside the cleaning structure, the inside of the plastic bag is convenient to wash, meanwhile, the plastic bag is washed from the inner side wall of the cleaning structure through matching with a liquid conveying pipe, and the plastic bag is washed from the top end through the spraying structure at the top end, so that the cleaning quality of the plastic bag is greatly improved; accomodate the use of structure, be convenient for handle the washing liquid in the cleaning process, the setting of fluid-discharge tube cooperation bottom plate effectively prevents to wash the inside gathering of expense liquid at the shell simultaneously, has improved waste liquid treatment efficiency and quality.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method of recycling plastic waste, the method comprising the steps of:
s1, putting the plastic bag into a cleaning device for cleaning;
s2, softening the plastic bag cleaned in the step S1 in a heating furnace;
s3, conveying the plastic bag softened in the S2 to the next process;
the cleaning equipment adopted in the method comprises a liquid discharge pipe, an air valve, a cleaning structure, a guide plate, a spray cleaning structure, a driving structure, a containing structure, a junction box, a shell, a liquid conveying pipe and a bottom plate; the bottom end of the shell for containing the cleaning liquid and the waste liquid thereof is provided with the bottom plate for drainage, and the end part of the shell is provided with the liquid discharge pipe which extends to the bottom plate and is used for discharging the cleaning liquid; the guide plate is fixed on the shell and extends to the cleaning structure, the cleaning structure for cleaning the plastic bag is arranged inside the shell, the shell is provided with a driving structure for driving the cleaning structure to shake, the shell is provided with a junction box electrically connected with the driving structure, and the air valve for flushing the plastic bag by air is communicated with the cleaning structure; the cleaning structure is communicated with the infusion tube for guiding cleaning liquid; the top end of the shell is provided with the spray-washing structure for washing the plastic bag; the end of the shell is provided with the containing structure for containing the cleaning liquid.
Specifically, the spray washing structure comprises a fixing plate, a connecting pipe, a plurality of high-pressure spray heads and a drainage channel, wherein the fixing plate is arranged at the top end of the shell, the drainage channel for guiding the discharge of the cleaning liquid is arranged inside the fixing plate, the connecting pipe and the fixing plate are in threaded connection and extend to the drainage channel, the high-pressure spray heads are in threaded connection with the fixing plate, and the high-pressure spray heads are communicated with the drainage channel; will the connecting pipe is connected with the transfer pump of washing liquid, and the washing liquid is followed through the transfer pump the connecting pipe input the inside of drainage channel, then pass through high pressure nozzle is right wash the inside plastic bag of structure and wash, the fixed plate is located the top of shell prevents effectively that the washing liquid from spattering outward, has improved cleaning quality greatly.
Specifically, the section of the fixing plate is of a trapezoidal structure, and the fixing plate is detachably connected with the shell; in order to facilitate the installation of the fixing plate, the fixing plate is prevented from being limited in the installation process, and the overhauling and maintaining efficiency of the fixing plate is greatly improved.
Specifically, the cleaning structure comprises a cleaning box, a plurality of protrusions, a plurality of first spray holes, a plurality of flow guide holes, a plurality of second spray holes, a rotating shaft and flow guide channels, the rotating shaft of the cylindrical structure is connected with the shell and the cleaning box in a penetrating manner, the cleaning box is connected with the shell in a rotating manner, a plurality of hemispherical structures used for cleaning plastic bags are distributed at the bottom end of the cleaning box in an array manner, the protrusions are arranged on the spherical surface of the protrusions, the first spray holes of the hemispherical structures are arranged on the spherical surface of the protrusions, the flow guide channels are arranged at the bottom end of the cleaning box, the first spray holes are communicated with the flow guide channels, the flow guide holes used for filtering waste scraps are arranged between two adjacent protrusions, a plurality of the second spray holes are distributed at a limiting position on the opposite side wall of the cleaning box, and the infusion tube penetrates through the cleaning box and, the air valve is fixed on the rotating shaft and communicated with the flow guide channel; will the pneumatic valve is connected to the air pump, the transfer line is connected to the washing liquid transfer pump, and the plastic bag is accomodate wash the inside of case, process high pressure nozzle washes from the top, passes through simultaneously the second orifice washes the plastic bag from the side direction, simultaneously the arch is the half spherical structure, has increased the area of contact with the plastic bag, effectively prevents the water conservancy diversion hole blocks up, and the waste residue of being convenient for is followed the water conservancy diversion hole is discharged, passes through simultaneously first orifice is jet-propelled, makes the plastic tape with the arch is not pasted, avoids that the back cleaning performance of plastic bag is not good in the cleaning process, simultaneously drive the structure drive wash the reciprocal shake of case, make the plastic bag of the inside of washing case is reciprocal to be turned, has improved cleaning quality and efficiency greatly.
Specifically, one end of the guide plate close to the cleaning box is an eighth circle, the vertical distance from the top surface of the cleaning box to the axis of the rotating shaft is equal to the distance from the axis to the arc surface of the guide plate, the liquid discharge pipe and the guide plate are arranged at the same end of the shell, and the direction from the bottom plate to the bottom surface of the shell from the liquid discharge pipe to the accommodating structure is gradually increased; the cleaning box is used in a reciprocating rotation mode, so that plastic bags are effectively prevented from entering the bottom plate from a gap between the guide plate and the cleaning box to cause the blockage of the liquid discharge pipe, the waste liquid discharge treatment efficiency and the quality are greatly improved, and meanwhile, the liquid discharge pipe is matched with the bottom plate to effectively prevent cleaning waste liquid from gathering inside the shell.
Specifically, the driving structure comprises a driving sleeve, a driving shaft, a belt, a supporting frame, two driving wheels, a first motor, a sliding rod, a guide groove, a sliding sleeve, a second motor and a lead screw, the sliding sleeve is fixed at one end of the shell deviating from the guide plate and is used for driving, the second motor is fixed at the sliding sleeve and is electrically connected with the junction box, the bottom end of the second motor is arranged at the lead screw for transmission, the lead screw is in threaded connection with the sliding rod, the sliding rod is in sliding connection with the sliding sleeve, the side wall of the sliding rod is arranged at the guide groove of a semi-cylinder structure and is used for guiding, the supporting frame of a U-shaped structure and used for fixing is arranged at the bottom end of the sliding rod, the first motor is fixed at the supporting frame, the driving shaft is in penetrating connection with the driving sleeve, the cross section is elliptical, the driving sleeve is, the driving sleeve is abutted against the cleaning box, the end part of the driving shaft and the first motor are respectively provided with the driving wheels, and the belt for transmission is wound on the two driving wheels; when cleaning the plastic bag, the second motor rotates to drive the screw rod to rotate, so that the screw rod drives the slide rod to slide in the sliding sleeve, the support frame drives the driving sleeve to abut against the cleaning box, the cleaning box is driven to rotate around the rotating shaft, the bottom surface of the driving sleeve at the bottom end of the cleaning box is parallel to the plane of the central line of the rotating shaft and the bottom surface of the shell, the second motor rotates, the driving wheel on the second motor drives the other driving wheel to rotate through the belt, the driving wheel rotates to drive the cleaning box to shake around the rotating shaft in a reciprocating rotation manner, after cleaning is finished, the second motor rotates to drive the screw rod to rotate, so that the screw rod drives the slide rod to slide in the sliding sleeve, and the support frame drives the driving sleeve to abut against the cleaning box, make it winds to wash the case the pivot rotates, makes it is close to wash the case the arrival of drive sleeve bottom the distance of the bottom of shell is less than the pivot arrives the distance of the bottom of shell, the second motor rotates, on the second motor the drive wheel passes through the belt drives another the drive wheel rotates, the drive wheel rotates and drives wash the case and wind the reciprocal rotation shake of pivot makes the plastic bag discharge of wasing the completion, the setting up of guide way has improved the gliding stability performance of slide bar.
Specifically, the sliding sleeve is of a 7-shaped structure, and the section of one end, close to the shell, of the sliding sleeve is of a trapezoidal structure; the sliding sleeve is close to one end of the shell is of a trapezoidal structure, so that the sliding sleeve is more convenient to install, the positioning during installation is avoided, meanwhile, the stress of the bolt is reduced, and the service life is prolonged.
Specifically, the containing structure comprises a guide pipe and a containing box, the containing box with a rectangular structure is arranged at one end of the shell close to the driving sleeve, and the guide pipe is clamped with the containing box; the cleaning liquid carried in the plastic bag is contained in the containing box and then is discharged from the guide pipe, so that the cleaning effect is greatly improved.
The invention has the beneficial effects that:
(1) according to the plastic waste recycling method, the driving structure is matched with the cleaning structure to enable the plastic bag to shake in a reciprocating mode inside the cleaning structure, the cleaning structure is effectively prevented from being blocked by the plastic bag, meanwhile, the cleaning time of the plastic is convenient to control, and the cleaned plastic bag is convenient to store.
(2) According to the plastic waste recycling method, the cleaning structure is matched with the air valve for use, the plastic bag is washed through air, the plastic bag is effectively prevented from being stuck inside the cleaning structure, the interior of the plastic bag is convenient to wash, meanwhile, the plastic bag is washed from the inner side wall of the cleaning structure through the matching of the infusion tube, and the plastic bag is washed from the top end through the spraying structure at the top end, so that the cleaning quality of the plastic bag is greatly improved.
(3) According to the plastic waste recycling method, the storage structure is used, so that the cleaning liquid in the cleaning process can be conveniently treated, meanwhile, the liquid discharge pipe is matched with the bottom plate, so that the cleaning liquid is effectively prevented from being accumulated in the shell, and the waste liquid treatment efficiency and the waste liquid treatment quality are improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a cleaning apparatus used in the method;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B shown in FIG. 1;
FIG. 4 is a schematic structural view of the cleaning structure shown in FIG. 2;
FIG. 5 is a schematic structural view of the sliding sleeve shown in FIG. 3;
FIG. 6 is a schematic view of the connection structure of the sliding sleeve and the sliding rod shown in FIG. 3;
fig. 7 is a schematic view of a connection structure of the spray structure and the housing shown in fig. 1.
In the figure: 1. the device comprises a liquid discharge pipe, 2, an air valve, 3, a cleaning structure, 31, a cleaning box, 32, a protrusion, 33, a first spray hole, 34, a flow guide hole, 35, a second spray hole, 36, a rotating shaft, 37, a flow guide channel, 4, a flow guide plate, 5, a spray cleaning structure, 51, a fixing plate, 52, a connecting pipe, 53, a high-pressure spray head, 54, a flow guide channel, 6, a driving structure, 61, a driving sleeve, 62, a driving shaft, 63, a belt, 64, a supporting frame, 65, a driving wheel, 66, a first motor, 67, a sliding rod, 68, a guide groove, 69, a sliding sleeve, 69a second motor, 69b, a screw rod, 7, a containing structure, 71, a conduit, 72, a containing box, 8, a junction box, 9, a shell, 9a perfusion tube, 9b and a bottom.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1, 3 and 7, the method for recycling plastic waste according to the present invention comprises the following steps:
s1, putting the plastic bag into a cleaning device for cleaning;
s2, softening the plastic bag cleaned in the step S1 in a heating furnace;
s3, conveying the plastic bag softened in the S2 to the next process;
the cleaning equipment adopted in the method comprises a liquid discharge pipe 1, an air valve 2, a cleaning structure 3, a guide plate 4, a spray cleaning structure 5, a driving structure 6, a containing structure 7, a junction box 8, a shell 9, a liquid conveying pipe 9a and a bottom plate 9 b; the bottom end of the shell 9 for containing the cleaning liquid and the waste liquid thereof is provided with the bottom plate 9b for drainage, and the end part of the shell 9 is provided with the liquid discharge pipe 1 which extends to the bottom plate 9b and is used for discharging the cleaning liquid; the guide plate 4 is fixed on the outer shell 9 and extends to the cleaning structure 3, the cleaning structure 3 for cleaning plastic bags is arranged inside the outer shell 9, the driving structure 6 for driving the cleaning structure 3 to shake is arranged on the outer shell 9, the junction box 8 electrically connected with the driving structure 6 is arranged on the outer shell 9, and the air valve 2 for flushing the plastic bags by air is communicated with the cleaning structure 3; the cleaning structure 3 is communicated with the infusion tube 9a for guiding cleaning liquid; the top end of the shell 9 is provided with the spray washing structure 5 for washing the plastic bag; the end of the housing 9 is provided with the receiving structure 7 for receiving the cleaning liquid.
Specifically, as shown in fig. 1, 3 and 7, in the method for recycling plastic waste according to the present invention, the spray structure 5 includes a fixing plate 51, a connecting pipe, a plurality of high pressure nozzles 53 and a drainage channel 54, the fixing plate 51 is disposed at the top end of the housing 9, the drainage channel 54 for guiding the discharge of the cleaning solution is disposed inside the fixing plate 51, the connecting pipe and the fixing plate 51 are connected by a screw thread and extend to the drainage channel 54, the plurality of high pressure nozzles 53 are connected by a screw thread with the fixing plate 51, and the high pressure nozzles 53 are conducted with the drainage channel 54; will the connecting pipe is connected with the transfer pump of washing liquid, and the washing liquid is followed through the transfer pump the connecting pipe input the inside of drainage channel 54, then pass through high pressure nozzle 53 is right wash the inside plastic bag of structure 3, fixed plate 51 is located the top of shell 9 prevents effectively that the washing liquid from spattering outward, has improved cleaning quality greatly.
Specifically, as shown in fig. 1, 3 and 7, in the method for recycling plastic waste according to the present invention, the cross section of the fixing plate 51 is a trapezoid structure, and the fixing plate 51 is detachably connected to the housing 9; in order to facilitate installation of the fixing plate 51, the fixing plate 51 is prevented from being limited in the installation process, and the maintenance efficiency of the fixing plate 51 is greatly improved.
Specifically, as shown in fig. 1, fig. 2 and fig. 4, the cleaning structure 3 of the plastic waste recycling method of the present invention includes a cleaning box 31, a plurality of protrusions 32, a plurality of first spray holes 33, a plurality of guide holes 34, a plurality of second spray holes 35, a rotating shaft 36 and a guide channel 37, the rotating shaft 36 of a cylindrical structure penetrates through the housing 9 and the cleaning box 31, the cleaning box 31 is rotatably connected with the housing 9, a plurality of hemispherical protrusions 32 for cleaning plastic bags are distributed in an array manner at the bottom end of the cleaning box 31, a plurality of hemispherical first spray holes 33 are arranged on the spherical surface of the protrusions 32, the guide channel 37 is arranged at the bottom end of the cleaning box 31, the first spray holes 33 are communicated with the guide channel 37, the guide holes 34 for filtering waste are arranged between two adjacent protrusions 32, a plurality of second spray holes 35 are distributed at the upper limit position of the opposite side wall of the cleaning box 31, the infusion tube 9a penetrates through the cleaning box 31 and is communicated with the second spray holes 35, and the air valve 2 is fixed on the rotating shaft 36 and is communicated with the flow guide channel 37; will pneumatic valve 2 is connected to the air pump, transfer line 9a is connected to the washing liquid transfer pump, and the plastic bag is accomodate wash the inside of case 31, process high pressure nozzle 53 is washed from the top, passes through simultaneously second orifice 35 is washed the plastic bag from the side direction, simultaneously protruding 32 is the hemisphere structure, has increased the area of contact with the plastic bag, effectively prevents water conservancy diversion hole 34 blocks up, and the waste residue of being convenient for is followed water conservancy diversion hole 34 is discharged, passes through simultaneously first orifice 33 is jet-propelled, makes the plastic tape with protruding 32 non-stick avoids the back cleaning performance of plastic bag not good in the cleaning process, simultaneously drive structure 6 drives wash the reciprocal shake of case 31, make the plastic bag of the inside of washing case 31 is reciprocal to be turned, has improved cleaning quality and efficiency greatly.
Specifically, as shown in fig. 1, fig. 2 and fig. 7, in the method for recycling plastic waste according to the present invention, one end of the flow guide plate 4 close to the cleaning tank 31 is an eighth circle, a vertical distance from the top surface of the cleaning tank 31 to the axis of the rotating shaft 36 is equal to a distance from the axis to the arc surface of the flow guide plate 4, the liquid discharge pipe 1 and the flow guide plate 4 are disposed at the same end of the housing 9, and the direction from the liquid discharge pipe 1 to the receiving structure 7 gradually increases from the bottom plate 9b to the bottom surface of the housing 9; the cleaning box 31 is used in a reciprocating rotation mode, so that plastic bags are effectively prevented from entering the bottom plate 9b from a gap between the guide plate 4 and the cleaning box 31 to cause the blockage of the liquid discharge pipe 1, the waste liquid discharge treatment efficiency and the waste liquid discharge treatment quality are greatly improved, and meanwhile, the liquid discharge pipe 1 is matched with the bottom plate 9b to effectively prevent cleaning waste liquid from gathering inside the shell 9.
Specifically, as shown in fig. 3, 5 and 6, the driving structure 6 of the recycling method for plastic waste includes a driving sleeve 61, a driving shaft 62, a belt 63, a supporting frame 64, two driving wheels 65, a first motor 66, a sliding rod 67, a guiding groove 68, a sliding sleeve 69, a second motor 69a and a screw rod 69b, the sliding sleeve 69 is fixed at one end of the housing 9 away from the flow guide plate 4, the second motor 69a for driving is fixed at the sliding sleeve 69 and electrically connected with the junction box 8, the bottom end of the second motor 69a is arranged at the screw rod 69b for transmission, the screw rod 69b is in threaded connection with the sliding rod 67, the sliding rod 67 is in sliding connection with the sliding sleeve 69, the side wall of the sliding rod 67 is arranged at the guiding groove 68 for guiding of the semi-cylindrical structure, the bottom end of the sliding rod 67 is provided with the supporting frame 64 for fixing in a U-shaped structure, the first motor 66 is fixed to the supporting frame 64, the driving shaft 62 is connected to the driving sleeve 61 and the supporting frame 64 in a penetrating manner, the driving sleeve 61 with an oval cross section is rotatably connected to the supporting frame 64, the driving sleeve 61 is abutted against the cleaning box 31, the driving wheels 65 are respectively arranged on the end part of the driving shaft 62 and the first motor 66, and the belt 63 for transmission is wound on the two driving wheels 65; when cleaning the plastic bag, the second motor 69a rotates to drive the screw rod 69b to rotate, so that the screw rod 69b drives the slide rod 67 to slide in the sliding sleeve 69, the support frame 64 drives the driving sleeve 61 to abut against the cleaning box 31, the cleaning box 31 rotates around the rotating shaft 36, the bottom surface of the driving sleeve 61 at the bottom end of the cleaning box 31 is parallel to the plane of the central line of the rotating shaft 36 and the bottom surface of the shell 9, the second motor 69a rotates, the driving wheel 65 on the second motor 69a drives the other driving wheel 65 to rotate through the belt 63, the driving wheel 65 rotates to drive the cleaning box 31 to shake around the rotating shaft 36 in a reciprocating rotation manner, after cleaning is finished, the second motor 69a rotates to drive the screw rod 69b to rotate, so that the screw rod 69b drives the slide rod 67 to slide in the sliding sleeve 69, make the support frame 64 drives the driving sleeve 61 is contradicted wash case 31, make wash case 31 wind pivot 36 rotates, makes wash case 31 and be close to arrive of driving sleeve 61 bottom the distance of the bottom of shell 9 is less than pivot 36 arrives the distance of the bottom of shell 9, second motor 69a rotates, on the second motor 69a drive wheel 65 passes through belt 63 drives another drive wheel 65 rotates, drive wheel 65 rotates and drives wash case 31 and wind the reciprocal rotation of pivot 36 shakes, makes the plastic bag of wasing the completion discharge, the setting of guide way 68 has improved the gliding stability performance of slide bar 67.
Specifically, as shown in fig. 3, 5 and 6, in the plastic waste recycling method of the present invention, the sliding sleeve 69 has a 7-shaped structure, and the cross section of one end of the sliding sleeve 69 close to the housing 9 has a trapezoidal structure; the sliding sleeve 69 is close to one end of the shell 9 is of a trapezoidal structure, so that the sliding sleeve 69 is more convenient to install, the positioning during installation is avoided, meanwhile, the stress of the bolt is reduced, and the service life is prolonged.
Specifically, as shown in fig. 1, 3 and 7, in the method for recycling plastic waste according to the present invention, the receiving structure 7 includes a conduit 71 and a receiving box 72, the receiving box 72 having a rectangular structure is disposed at one end of the housing 9 close to the driving sleeve 61, and the conduit 71 is engaged with the receiving box 72; the cleaning liquid carried in the plastic bag is received in the receiving box 72 and then discharged from the guide pipe 71, thereby greatly improving the cleaning effect.
Firstly, waste plastic bags are guided into the cleaning structure 3 from the guide plate 4, the driving structure 6 drives the cleaning structure 3 and the shell 9 to rotate, so that the plastic bags are accommodated in the cleaning structure 3, meanwhile, the driving structure 6 is matched with the cleaning structure 3 to ensure that the plastic bag shakes in a reciprocating manner in the cleaning structure 3, the plastic bag is effectively prevented from blocking the cleaning structure 3, simultaneously, the cleaning time of the plastic is convenient to control, the cleaned plastic bag is convenient to store, the cleaning structure 3 is matched with the air valve 2 to wash the plastic bag through air, meanwhile, the plastic bag is washed from the inner side wall of the cleaning structure 3 by matching with a liquid conveying pipe 9a, the plastic bag is washed from the top end through the spraying structure 5 from the top end, waste liquid and waste residues are discharged to the liquid discharging pipe 1 from the bottom plate 9b, the cleaned plastic bag is discharged from the cleaning structure 3, and cleaning liquid carried by the plastic bag is stored in the storage structure 3; the method specifically comprises the following steps:
(1) the air valve 2 is connected to an air pump, the infusion tube 9a is connected to a cleaning solution infusion pump, the plastic bag is stored in the cleaning box 31, the second motor 69a rotates to drive the screw rod 69b to rotate, so that the screw rod 69b drives the slide rod 67 to slide in the sliding sleeve 69, the support frame 64 drives the driving sleeve 61 to abut against the cleaning box 31, the cleaning box 31 rotates around the rotating shaft 36, the bottom surface of the driving sleeve 61 at the bottom end of the cleaning box 31 and the plane of the center line of the rotating shaft 36 are parallel to the bottom surface of the shell 9, the second motor 69a rotates to drive the driving wheel 65 to rotate, and the driving wheel 65 rotates to drive the cleaning box 31 to reciprocate and rotate;
(2) the plastic bag is washed from the top end through the high-pressure spray nozzle 53, meanwhile, the plastic bag is washed from the lateral side through the second spray holes 35, meanwhile, the protrusions 32 are of a hemispherical structure, the contact area with the plastic bag is increased, the blocking of the flow guide holes 34 is effectively prevented, waste residues are conveniently discharged from the flow guide holes 34, meanwhile, air is sprayed through the first spray holes 33, the plastic tape is not adhered to the protrusions 32, and the problem that the back cleaning effect of the plastic bag is poor in the cleaning process is avoided;
(3) after the cleaning, the second motor 69a rotates, the driving screw 69b rotates, the screw 69b drives the sliding rod 67 to slide in the sliding sleeve 69, the supporting frame 64 drives the driving sleeve 61 to abut against the cleaning box 31, the cleaning box 31 rotates around the rotating shaft 36, the distance from the bottom end of the housing 9 close to the bottom end of the driving sleeve 61 to the cleaning box 31 is smaller than the distance from the rotating shaft 36 to the bottom end of the housing 9, the second motor 69a rotates to drive the driving wheel 65 to rotate, the driving wheel 65 rotates to drive the cleaning box 31 to shake around the rotating shaft 36 in a reciprocating rotation mode, the cleaned plastic bag is discharged, cleaning liquid carried in the plastic bag is stored in the storage box 72, and then is discharged from the guide pipe 71.
The driving structure 6 of the invention is matched with the cleaning structure 3 to enable the plastic bag to shake in a reciprocating way in the cleaning structure 3, thereby effectively preventing the plastic bag from blocking the cleaning structure 3, and simultaneously being convenient for controlling the cleaning time of the plastic and accommodating the cleaned plastic bag; the cleaning structure 3 is matched with the air valve 2 for use, the plastic bag is washed by air, the plastic bag is effectively prevented from being stuck inside the cleaning structure 3, the inside of the plastic bag is convenient to wash, meanwhile, the plastic bag is washed from the inner side wall of the cleaning structure 3 by matching with the infusion tube 9a, and the plastic bag is washed from the top end by the spraying structure 5 from the top end, so that the cleaning quality of the plastic bag is greatly improved; accomodate structure 7's use, be convenient for handle the washing liquid in the cleaning process, the setting of the cooperation bottom plate 9b of fluid-discharge tube 1 simultaneously effectively prevents to wash the inside gathering of expense liquid at shell 9, has improved waste liquid treatment efficiency and quality.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A method for recycling plastic waste, characterized in that it comprises the following steps:
s1, putting the plastic bag into a cleaning device for cleaning;
s2, softening the plastic bag cleaned in the step S1 in a heating furnace;
s3, conveying the plastic bag softened in the S2 to the next process;
the cleaning equipment adopted in the method comprises a liquid discharge pipe (1), an air valve (2), a cleaning structure (3), a guide plate (4), a spray cleaning structure (5), a driving structure (6), a containing structure (7), a junction box (8), a shell (9), a liquid conveying pipe (9 a) and a bottom plate (9 b); the bottom end of the shell (9) for containing the cleaning liquid and the waste liquid thereof is provided with the bottom plate (9 b) for drainage, and the end part of the shell (9) is provided with the liquid discharge pipe (1) which extends to the bottom plate (9 b) and is used for discharging the cleaning liquid; the guide plate (4) is fixed on the shell (9) and extends to the cleaning structure (3), the cleaning structure (3) used for cleaning plastic bags is arranged inside the shell (9), the driving structure (6) used for driving the cleaning structure (3) to shake is arranged on the shell (9), the junction box (8) electrically connected with the driving structure (6) is arranged on the shell (9), and the air valve (2) used for flushing the plastic bags by air is communicated with the cleaning structure (3); the cleaning structure (3) is communicated with the infusion tube (9 a) for guiding cleaning liquid; the top end of the shell (9) is provided with the spray-washing structure (5) for washing the plastic bag; the end part of the shell (9) is provided with the receiving structure (7) for receiving cleaning liquid;
the spray washing structure (5) comprises a fixing plate (51), a connecting pipe, a plurality of high-pressure spray heads (53) and a drainage channel (54), the fixing plate (51) is arranged at the top end of the shell (9), the drainage channel (54) for guiding the washing liquid to be discharged is arranged in the fixing plate (51), the connecting pipe is in threaded connection with the fixing plate (51) and extends to the drainage channel (54), the high-pressure spray heads (53) are in threaded connection with the fixing plate (51), and the high-pressure spray heads (53) are communicated with the drainage channel (54);
the section of the fixed plate (51) is of a trapezoidal structure, and the fixed plate (51) is detachably connected with the shell (9);
the cleaning structure (3) comprises a cleaning box (31), a plurality of bulges (32), a plurality of first spray holes (33), a plurality of flow guide holes (34), a plurality of second spray holes (35), a rotating shaft (36) and flow guide channels (37), the rotating shaft (36) of a cylindrical structure is connected with the shell (9) and the cleaning box (31) in a penetrating way, the cleaning box (31) is connected with the shell (9) in a rotating way, a plurality of hemispherical structures used for cleaning plastic bags are distributed on the bottom end of the cleaning box (31) in an array way, the bulges (32) are arranged on the spherical surface of the bulges (32), the first spray holes (33) of the hemispherical structures are arranged on the bottom end of the cleaning box (31), the flow guide channels (37) are arranged at the bottom end of the cleaning box (31), the first spray holes (33) are communicated with the flow guide channels (37), the flow guide holes (34) used for filtering waste scraps are arranged between two adjacent bulges (32, a plurality of second spray holes (35) are distributed at the upper limit position of the opposite side wall of the cleaning box (31), the infusion tube (9 a) penetrates through the cleaning box (31) and is communicated with the second spray holes (35), and the air valve (2) is fixed on the rotating shaft (36) and is communicated with the flow guide channel (37);
one end, close to the cleaning box (31), of the guide plate (4) is an eighth circle, the vertical distance from the top surface of the cleaning box (31) to the axis of the rotating shaft (36) is equal to the distance from the axis to the arc surface of the guide plate (4), the liquid discharge pipe (1) and the guide plate (4) are arranged at the same end of the shell (9), and the direction from the liquid discharge pipe (1) to the accommodating structure (7) is gradually increased from the bottom plate (9 b) to the bottom surface of the shell (9);
the driving structure (6) comprises a driving sleeve (61), a driving shaft (62), a belt (63), a supporting frame (64), two driving wheels (65), a first motor (66), a sliding rod (67), a guide groove (68), a sliding sleeve (69), a second motor (69 a) and a screw rod (69 b), the sliding sleeve (69) is fixed at one end of the shell (9) deviating from the guide plate (4) for driving, the second motor (69 a) is fixed at the sliding sleeve (69) and electrically connected with the junction box (8), the bottom end of the second motor (69 a) is provided with the screw rod (69 b) for transmission, the screw rod (69 b) is in threaded connection with the sliding rod (67), the sliding rod (67) is in sliding connection with the sliding sleeve (69), the side wall of the sliding rod (67) is arranged in the guide groove (68) of a semi-cylindrical structure for guiding, the bottom end of the sliding rod (67) is provided with the supporting frame (64) which is of a U-shaped structure and used for fixing, the first motor (66) is fixed on the supporting frame (64), the driving shaft (62) is connected with the driving sleeve (61) and the supporting frame (64) in a penetrating manner, the driving sleeve (61) with an oval cross section is rotatably connected with the supporting frame (64), the driving sleeve (61) is abutted against the cleaning box (31), the end part of the driving shaft (62) and the first motor (66) are respectively provided with the driving wheels (65), and the belt (63) used for transmission is wound on the two driving wheels (65);
the sliding sleeve (69) is of a 7-shaped structure, and the section of one end, close to the shell (9), of the sliding sleeve (69) is of a trapezoidal structure;
the containing structure (7) comprises a guide pipe (71) and a containing box (72), the containing box (72) with a rectangular structure is arranged at one end, close to the driving sleeve (61), of the shell (9), and the guide pipe (71) is clamped with the containing box (72);
the air valve (2) is connected to the air pump, the infusion tube (9 a) is connected to the cleaning solution infusion pump, the plastic bag is stored inside the cleaning box (31), the second motor (69 a) rotates to drive the screw rod (69 b) to rotate, the screw rod (69 b) drives the slide rod (67) to slide inside the sliding sleeve (69), the support frame (64) drives the driving sleeve (61) to abut against the cleaning box (31), the cleaning box (31) rotates around the rotating shaft (36), the plane of the center line of the bottom end of the cleaning box (31) and the plane of the center line of the rotating shaft (36) are parallel to the bottom surface of the shell (9), the second motor (69 a) rotates to drive the driving wheel (65) to rotate, and the driving wheel (65) rotates to drive the cleaning box (31) to shake around the rotating shaft (36) in a reciprocating rotation mode;
the plastic bag is washed from the top end through the high-pressure spray nozzle (53), meanwhile, the plastic bag is washed from the lateral direction through the second spray holes (35), meanwhile, the protrusions (32) are of a hemispherical structure, the contact area with the plastic bag is increased, the blocking of the flow guide holes (34) is effectively prevented, waste residues are conveniently discharged from the flow guide holes (34), meanwhile, air is sprayed through the first spray holes (33), the plastic tape is not adhered to the protrusions (32), and the problem that the back cleaning effect of the plastic bag is poor in the cleaning process is avoided;
after cleaning, the second motor (69 a) rotates, the driving screw rod (69 b) rotates, the screw rod (69 b) drives the sliding rod (67) to slide in the sliding sleeve (69), the supporting frame (64) drives the driving sleeve (61) to abut against the cleaning box (31), the cleaning box (31) rotates around the rotating shaft (36), the distance from the bottom end of the cleaning box (31) close to the bottom end of the driving sleeve (61) to the bottom end of the shell (9) is smaller than the distance from the rotating shaft (36) to the bottom end of the shell (9), the second motor (69 a) rotates to drive the driving wheel (65) to rotate, the driving wheel (65) rotates to drive the cleaning box (31) to rotate around the rotating shaft (36) in a reciprocating mode, cleaning finished plastic bags are discharged, cleaning liquid carried in the plastic bags is contained in the containing box (72), and then the cleaning liquid is discharged from the guide pipe (71).
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| EP1747870A1 (en) * | 2005-07-25 | 2007-01-31 | MERLONI PROGETTI S.p.A. | Method and equipment for recycling plastic material |
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Effective date of registration: 20210813 Address after: 231131 Building 5, west of Fengjin Road, Shuangfeng Economic Development Zone, Changfeng County, Hefei City, Anhui Province Patentee after: Hefei chenye Packaging Technology Co.,Ltd. Address before: 241000 Anhui Engineering University, Beijing Middle Road, Wuhu City, Anhui Province Patentee before: Xia Minyue |
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Denomination of invention: A method for recycling plastic waste Effective date of registration: 20231228 Granted publication date: 20210629 Pledgee: China Postal Savings Bank Co.,Ltd. Changfeng County Branch Pledgor: Hefei chenye Packaging Technology Co.,Ltd. Registration number: Y2023980075059 |
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