Plastic packaging household garbage washing separation recycling production line and process thereof

Abstract

The application discloses a plastic packaging household garbage water washing and sorting recycling production line, which comprises a cleaning and sorting system, an automatic residue discharging cleaning pool, a dehydrator, a plastic extruder, a shelf grid dirt cleaning machine, a filtering drum screen, a vibrating screen and a briquetting machine. The cleaning and sorting system comprises a feeding conveyor, a double-shaft shredder I, a magnetic separator, a conveyor I, a double-shaft shredder II, a conveyor II, a horizontal separator, a conveyor III, a residue discharging cleaning pool and a horizontal cleaning machine. One end of the double-shaft shredder I is connected with one end of the conveyor I. One end of the conveyor II is connected with the horizontal separator. One end of the conveyor III is connected with the residue discharging cleaning pool. One end of the residue discharging cleaning pool is communicated with the horizontal cleaning machine. The residue discharging cleaning pool water tank is communicated with the vibrating screen. One end of the conveyor IV is connected with the automatic residue discharging cleaning pool. One end of the automatic residue discharging cleaning pool is provided with the dehydrator. One side of the dehydrator is provided with the plastic extruder. The application has complete process and can systematically process the sorting and recycling of plastic packaging garbage.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of garbage recycling, and particularly relates to a plastic packaging household garbage water washing and sorting recycling production line and a process thereof. BACKGROUND

[0002] Daily plastic packaging household garbage has various components, is mixed with dry and wet garbage, and has high manual sorting cost, low efficiency, and low recycling resource utilization rate. Various components account for about 20% of floating plastic, about 30% of submerged material, about 40% of organic matter, and about 10% of sandstone.

[0003] Current household garbage sorting treatment is mostly step-by-step operation, and after washing is completed in one site, the garbage is packed and transferred to another site for residue sorting. Because the steps are relatively many, and the sites to be converted are relatively many, the operation is very cumbersome and troublesome, cannot be systematized and processed in a flow line, leads to low efficiency, and the dry and wet mixed garbage is not completely sorted, and does not have the function of recycling the recyclable materials in the garbage. The household garbage water washing and sorting line effectively solves the above shortcomings. SUMMARY

[0004] The present application aims to overcome the shortcomings in the prior art, and provides a plastic packaging household garbage water washing and sorting recycling production line, which has a complete process and can systematize the sorting and recycling of plastic packaging garbage.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present application is:

[0006] The utility model provides a plastic package domestic waste water washing separation recycling production line, including washing separation system, automatic slagging and washing pool, dehydrator, plastic extruder, rest grid dirt cleaning machine, filter drum screen, vibration sieve, briquetting machine, the washing separation system is mainly used for carrying out the separation operation of garbage, including feed conveyor, double shaft shredder I, magnetic separator, conveyor I, double shaft shredder II, conveyor II, horizontal separator, conveyor III, slagging and washing pool, horizontal washing machine, and one side is connected automatic slagging and washing pool, the feed conveyor is used for the delivery of garbage, is provided with double shaft shredder I in feed conveyor one end, double shaft shredder I is mainly used for first shredding treatment to garbage, basically guarantees the size length control of caking garbage shredding within 50cm, so as to facilitate subsequent processing, conveyor I top side position is provided with magnetic separator and is connected with double shaft shredder II in another end, the magnetic separator utilizes the principle of magnetic adsorption and collects the iron scrap in garbage, and double shaft shredder II is used for secondary shredding treatment to garbage, ensures that the size length of garbage material is within 20cm, conveyor II is connected with horizontal separator in another end, the horizontal separator has the function of garbage washing separation and is communicated with filter drum screen through water tank, the filter drum screen is mainly used for filtering treatment to the mud and sand separated out of horizontal separator, conveyor III is connected with one end of horizontal separator in one side, the other end of conveyor III is connected with slagging and washing pool, the slagging and washing pool carries out sedimentation and washing to the plastic garbage separated with other substances, one end of slagging and washing pool is communicated with horizontal washing machine, the horizontal washing machine is same with horizontal separator in principle, only different in specification, the water tank of slagging and washing pool is communicated with vibration sieve, the vibration sieve is connected with filter drum screen, through the floor scraping plate in slagging and washing pool, the sedimentary substance is scraped into vibration sieve and filters out the superfluous moisture, the impurity less than 3mm will enter filter drum screen along with the water flow of filtration, and the filter drum screen is provided with briquetting machine in one side, and the combustible material such as the sinking water plastic and cloth head selected out of filter drum screen is conveyed into briquetting machine and is pressed into 30-50mm combustible block at high temperature, which is convenient to sell.

[0007] The horizontal cleaning machine is connected with one end of a conveyor IV, and the other end of the conveyor IV is connected with an automatic residue discharging cleaning pool. The automatic residue discharging cleaning pool is used for further sedimentation of the plastic after secondary cleaning, so as to make the plastic skin completely float and the impurity content less than 2%, effectively ensuring the requirement of recycling plastic utilization. One end of the automatic residue discharging cleaning pool is provided with a dewatering machine. The plastic skin after the automatic residue discharging cleaning pool enters the dewatering machine, and the dewatering machine removes 60% of the water. One side of the dewatering machine is provided with a plastic extruder. The plastic after the dewatering machine enters the plastic extruder to form particles. The flue gas generated during the operation of the plastic extruder is collected and purified by the flue gas treatment system. All the water used in the whole process of the production line is recycled and not discharged. The sludge collected after the sedimentation and air floatation can be used as new bricks or for greening and cultivation soil. The recycling utilization of dry and wet mixed household garbage is truly solved, the environmental protection of garbage treatment is realized, and the plastic packaging garbage is processed through the cleaning and sorting system, the automatic residue discharging cleaning pool, the dewatering machine, the plastic extruder, the grid cleaning machine, the filter drum screen, the vibrating screen and the briquetting machine in sequence, so as to ensure that the processing steps of the plastic packaging garbage are simplified, the total site conversion steps in the garbage treatment process are reduced, the systematized assembly line type one-time treatment is realized, the processing efficiency is increased, the dry and wet mixed garbage is completely sorted, and the function of recycling the recyclable materials in the garbage is realized.

[0008] Further, the horizontal separator comprises a feeding port, a main shaft, a slurry storage tank, a main frame, a motor, a sealing cover, a bearing seat, a slurry discharge port and a discharge port. The main frame of the horizontal separator is provided with the feeding port on the upper side. The main shaft is arranged at the bottom side of the feeding port. The slurry storage tank is arranged at the bottom side of the main shaft. The main frame is provided with the motor on one side, which is used to provide power for the work of the main shaft. The slurry storage tank is provided with the slurry discharge port at the bottom side, which is used to discharge the paper pulp in the slurry storage tank. The main frame is provided with the discharge port on one side, which is used to discharge the plastic after the paper pulp and plastic are separated by the main shaft. The main frame is provided with the sealing cover on the top side, which is used to seal the whole device. The main shaft is provided with the bearing seat on both ends, which is used to support the main shaft. The horizontal separator mainly feeds through the feeding port, and then the paper is rubbed into paper pulp by the centrifugal force type through the high-speed rotation of the main shaft (the main shaft is prior art and will not be described here). The paper pulp and the plastic are separated.

[0009] Further, the slag pulling cleaning pool comprises a main body box, a stirring roller, a water injection pipeline, a slag scraper, a slag scraping driving machine, and a drag chain adjusting mechanism, one side of the main body box is provided with the stirring roller, one side of the stirring roller is provided with the water injection pipeline, one side of the main body box is provided with the slag scraper, one side of the slag scraper is provided with the slag scraping driving machine, and one end of the main body box is provided with the drag chain adjusting device, after the separated plastic enters the slag pulling cleaning pool, the plastic is driven to move by the stirring roller, water is added into the pool through the water injection pipeline, the floating plastic is transported through the water flow, and other submerged garbage materials are taken out through the slag scraping mechanism in the slag pulling cleaning pool, the slag scraping mechanism is powered by the slag scraping driving machine, and the drag chain adjusting device is used for adjusting the speed of the slag scraper.

[0010] Further, the automatic slag discharging cleaning pool comprises a side slag discharging mechanism, a box body, a driving roller, a pushing screw, and a screw driving machine, one end of the box body is provided with the side slag discharging mechanism, the side slag discharging mechanism is used for discharging the floating plastic after sedimentation, ensures that the content of impurities is less than 2%, and effectively guarantees the requirement of regenerated plastic utilization, a driving roller is arranged on the top side of the box body, the floating plastic is conveniently driven to the position of the side slag discharging mechanism, a pushing screw is arranged at the bottom side of the box body and is used for discharging the further sedimented substances, and the pushing screw is provided with the screw driving machine at one end.

[0011] The application further provides a process method for washing, sorting and recycling plastic packaging household garbage, which comprises the following steps:

[0012] 1. shredding treatment: the plastic packaging household garbage is conveyed by a feeding conveyor to a double-shaft shredder I for pre-shredding treatment, the pre-shredded material is basically ensured to be within 50 cm in size, the feeding conveyor is provided with a return device to ensure uniformity of feeding, so that the double-shaft shredder I is in a normal use state, the material is then conveyed by a conveyor I to a double-shaft shredder II for secondary shredding, and the shredded iron materials are selected out by a magnetic separator through magnetic adsorption, and the size of the material after secondary shredding is controlled to be within 20 cm.

[0013] 2. Cleaning and separating: the shredded material is conveyed by the conveyor I to the horizontal separator for separation, the horizontal separator is fed by the motor controlled by the rated current, 100 cubic meters of recycled water is injected, the material rotates between the main shaft and the burning plate in the horizontal separator, the main shaft of the horizontal separator is provided with a rubbing knife group, the material is subjected to centrifugal rubbing treatment, the shredded organic matter is smaller than the filter cylinder screen sieve, then the water after impurity screening is recycled after sedimentation, the main components of the material separated by the horizontal separator are about 50% of plastic packaging bags, about 20% of shredded cloth, about 20% of plastic sheets sinking in water, and about 10% of other impurities, the material flows into the slag cleaning pool, is subjected to dispersion treatment, and the plastic is separated by the buoyancy and flowability of water, the heavy impurities sinking in water are taken out by the slag scraping mechanism and subjected to water separation by the vibrating screen, so that the water content of the material is about 15%, and the material is convenient for briquetting.

[0014] 3. Cleaning and dewatering: the plastic after cleaning and separating flows into the horizontal cleaning machine from the slag cleaning pool for dewatering treatment, the residual impurities in the bottom sink in the automatic slag cleaning pool and are removed by the pushing screw, the bottom material in the mixed slag cleaning pool is subjected to briquetting treatment, the cleaned plastic skin flows into the dewatering machine for dewatering treatment, and then is packaged for sale or regenerated and granulated.

[0015] 4. Plasticizing and forming: the cleaned plastic is added into the plastic extruder, the material is plasticized by appropriately setting the material drying temperature and time according to the properties of the regenerated material, (specifically, the preheated material is plasticized, the plasticized material is passed through a screen, the size of the screen is changed according to the size of the particles to be removed, and then the particles are cooled and cut), finally, the regenerated material is obtained and is packaged for sale.

[0016] Through the above process, the plastic household garbage water washing and sorting recycling process can produce high-quality regenerated particles, the particles are more suitable for injection molding, the engineering quality is better guaranteed, good social and economic benefits are created, and the environmental protection requirements of green construction are met.

[0017] The beneficial effects of the present application compared with the prior art are as follows:

[0018] 1) The present application arranges the cleaning and sorting system, the automatic slag cleaning pool, the dewatering machine, the plastic extruder, the grid cleaning machine, the filter cylinder screen, the vibrating screen and the briquetting machine in a flow line, and the processes are continued, the garbage is shredded and the iron scraps are magnetically selected by the cleaning and sorting system, the material is filtered by the horizontal separator contained in the cleaning and sorting system, the slag cleaning pool is used for sedimentation and screening, the dewatering machine is used for dewatering treatment, the garbage is treated in a connected and one-time manner, and all the water used in the working process is recycled and is not discharged, the sludge collected after the sedimentation and air floatation can be used for making new bricks or green planting soil, the recycling of the dry and wet mixed household garbage is truly solved, and the garbage treatment is environmental protection;

[0019] 2) The present invention provides a streamlined waste treatment method that processes plastic packaging waste at every stage from beginning to end, ensuring simplified processing steps, reducing the total site transfer steps in the waste treatment process, and enabling systematic, streamlined, one-time processing to increase processing efficiency. Moreover, it thoroughly separates dry and wet waste and has the function of recycling recyclable materials within the waste.

[0020] 3) The process flow of the present invention is simplified and effective. Through the simplest steps, the efficiency of waste treatment and reuse is maximized, and high-quality recycled pellets can be produced, making the pellets more in line with the requirements of injection molding, better ensuring the quality of the project, and creating good social and economic benefits, thus meeting the environmental protection requirements of green construction. Attached Figure Description

[0021] Appendix Figure 1 This is a schematic diagram of the production line structure for the washing, sorting, and recycling of plastic packaging waste in this invention.

[0022] Appendix Figure 2 This is a schematic diagram of the horizontal separator structure in the plastic packaging household waste washing, sorting, and recycling production line of the present invention;

[0023] Appendix Figure 3 This is a schematic diagram of the slag cleaning tank structure in the plastic packaging household waste washing, sorting, and recycling production line of the present invention;

[0024] Appendix Figure 4 This is a schematic diagram of the automatic slag discharge and cleaning tank structure in the plastic packaging waste washing, sorting, and recycling production line of the present invention.

[0025] In the diagram: 1. Feed conveyor; 2. Twin-shaft shredder I; 3. Magnetic separator; 4. Conveyor I; 5. Twin-shaft shredder II; 6. Conveyor II; 7. Horizontal separator; 701. Feed inlet; 702. Main shaft; 703. Slurry storage tank; 704. Main frame; 705. Motor; 706. Sealing cover; 707. Bearing housing; 708. Slurry discharge port; 709. Discharge port; 8. Conveyor III; 9. Slag cleaning tank; 901. Main body; 902. Feed roller 903. Water injection pipeline; 904. Slag scraper; 905. Slag scraper drive motor; 906. Cable chain adjustment device; 10. Horizontal cleaning machine; 11. Conveyor IV; 12. Automatic slag discharge cleaning tank; 121. Side slag discharge mechanism; 122. Box body; 123. Drive roller; 124. Pushing screw; 125. Screw drive motor; 13. Dewatering machine; 14. Plastic extruder; 15. Grate cleaning machine; 16. Filter drum screen; 17. Vibrating screen; 18. Briquetting machine. Detailed Implementation

[0026] For the convenience of persons skilled in the art to understand, the following will be combined with the accompanying Figures 1-4 The technical solutions of the present application are further specifically described.

[0027] The plastic packaging household garbage washing and sorting recycling production line comprises a cleaning and sorting system, an automatic slag discharging and cleaning pool 12, a dehydrator 13, a plastic extruder 14, a shelf and dirt cleaning machine 15, a filter drum screen 16, a vibrating screen 17 and a briquetting machine 18. The cleaning and sorting system is mainly used for garbage separation operation and comprises a feeding conveyor 1, a double-shaft shredder I 2, a magnetic separator 3, a conveyor I 4, a double-shaft shredder II 5, a conveyor II 6, a horizontal separator 7, a conveyor III 8, a slag discharging and cleaning pool 9 and a horizontal cleaning machine 10. One side of the slag discharging and cleaning pool 9 is connected with the automatic slag discharging and cleaning pool 12. The feeding conveyor 1 is used for conveying garbage. The double-shaft shredder I 2 is arranged at one end of the feeding conveyor 1. The double-shaft shredder I 2 is mainly used for first shredding treatment of garbage, basically ensures that the size of the clumped garbage is controlled within 50 cm, so as to facilitate subsequent treatment. One end of the double-shaft shredder I 2 is connected with one end of the conveyor I 4. The magnetic separator 3 is arranged at the top side of the conveyor I 4 and the other end of the conveyor I 4 is connected with the double-shaft shredder II 5. The magnetic separator 3 collects iron scraps in the garbage by using the principle of magnetic adsorption. The double-shaft shredder II 5 is used for second shredding treatment of garbage, so as to ensure that the size of the garbage material is within 20 cm. One end of the double-shaft shredder II 5 is connected with one end of the conveyor II 6. The other end of the conveyor II 6 is connected with the horizontal separator 7. The horizontal separator 7 has the function of garbage cleaning and separation and is communicated with the filter drum screen 16 through a water tank. The filter drum screen 16 is mainly used for filtering treatment of the mud and sand separated by the horizontal separator 7. One end of the conveyor III 8 is connected with one side of the horizontal separator 7. The other end of the conveyor III 8 is connected with the slag discharging and cleaning pool 9. The slag discharging and cleaning pool 9 is used for sedimentation and cleaning of the separated plastic garbage and other substances. One end of the slag discharging and cleaning pool 9 is communicated with the horizontal cleaning machine 10. The horizontal cleaning machine 10 has the same principle as the horizontal separator 7, only the specifications are different. The water tank of the slag discharging and cleaning pool 9 is communicated with the vibrating screen 17. The vibrating screen 17 is connected with the filter drum screen 16. The deposited substances are scraped into the vibrating screen by the floor scraping plate in the slag discharging and cleaning pool 9 to filter out the excess water. The impurities smaller than 3 mm will enter the filter drum screen 16 with the filtered water flow. The filter drum screen is provided with the briquetting machine 18. The submerged plastic, cloth ends and other combustible materials separated by the filter drum screen 16 are conveyed into the briquetting machine 18 to be pressed into 30-50 mm combustible blocks at high temperature, so as to facilitate sale.

[0028] The horizontal cleaning machine 10 is connected with one end of the conveyor IV 11, the other end of the conveyor IV 11 is connected with the automatic residue discharging cleaning tank 12, the automatic residue discharging cleaning tank 12 is used for further sedimentation of the plastic after secondary cleaning, so as to make the plastic skin completely float and the impurity content less than 2%, effectively ensuring the requirement of recycling plastic utilization, one end of the automatic residue discharging cleaning tank 12 is provided with the dehydrator 13, the plastic skin after the automatic residue discharging cleaning tank 12 enters the dehydrator 13, and the dehydrator 13 can remove 60% of the water of the plastic skin, one side of the dehydrator 13 is provided with the plastic extruder 14, the plastic after the dehydrator 13 enters the plastic extruder 14 to form particles, the flue gas generated during the working of the plastic extruder 14 is collected and purified by the flue gas treatment system, all the water used in the working process of the production line is recycled and is not discharged, the sludge collected after the sedimentation and air floatation of the recycled water can be used as new bricks or green planting soil, the recycling utilization of dry and wet mixed household garbage is truly solved, the garbage treatment is environmental protection, and the plastic packaging garbage is processed through the cleaning and sorting system, the automatic residue discharging cleaning tank 12, the dehydrator 13, the plastic extruder 14, the grid cleaning machine 15, the filtering drum screen 16, the vibrating screen 17 and the briquetting machine 18 in sequence, and the plastic packaging garbage is processed in each link, so that the plastic packaging garbage processing steps are simplified, the total site conversion steps in the garbage processing process are reduced, the systematized assembly line type one-time processing is realized, the processing efficiency is increased, the dry and wet mixed garbage is completely sorted, and the recycling of the recyclable materials in the garbage is realized.

[0029] The horizontal separator 7 comprises a feeding port 701, a main shaft 702, a slurry storage tank 703, a main frame 704, a motor 705, a sealing cover 706, a bearing seat 707, a slurry discharge port 708 and a discharge port 709, the main frame 704 is provided with the feeding port 701 on the top side, the main shaft 702 is arranged at the bottom side of the feeding port 701, the slurry storage tank 703 is arranged at the bottom side of the main shaft 702, the main frame 704 is provided with the motor 705 on one side, the motor 705 is used for providing power for the working of the main shaft 702, the slurry storage tank 703 is provided with the slurry discharge port 708 at the bottom side, the slurry discharge port 708 is used for discharging the paper pulp in the slurry storage tank 703, the main frame 704 is provided with the discharge port 709 on one side, the discharge port 709 is used for discharging the plastic after the paper pulp and plastic are separated by the main shaft 702, the sealing cover 706 is arranged on the top side of the main frame 704, the sealing cover 706 is used for sealing the whole device, and the main shaft 702 is provided with the bearing seat 707 at both ends and used for supporting the main shaft 702, the horizontal separator 7 mainly feeds through the feeding port 701, then the main shaft 702 rotates at high speed to separate the paper pulp and plastic through the centrifugal force type structure.

[0030] The slag pulling cleaning pool 9 includes a main body box 901, a stirring roller 902, a water injection pipeline 903, a slag scraping machine 904, a slag scraping drive machine 905, and a drag chain adjusting mechanism, one side of the main body box 901 is provided with the stirring roller 902, one side of the stirring roller 902 is provided with the water injection pipeline 903, one side of the main body box 901 is provided with the slag scraping machine 904, one side of the slag scraping machine 904 is provided with the slag scraping drive machine 905, and one end of the main body box 901 is provided with the drag chain adjusting device, after the separated plastic enters the slag pulling cleaning pool 9, the plastic is driven to move by the stirring roller 902, water is added into the pool through the water injection pipeline 903, the floating plastic is transported by the water flow, and other submerged garbage materials are taken out by the slag scraping machine 904 in the slag pulling cleaning pool 9, the slag scraping machine 904 is powered by the slag scraping drive machine 905, and the drag chain adjusting device 906 is used for adjusting the speed of the slag scraping machine 904.

[0031] The application also provides a process method for washing, separating and recycling plastic packaging household garbage, which comprises the following steps:

[0032] 1. shredding treatment: the plastic packaging household garbage is conveyed to a double-shaft shredder I 2 by a feeding conveyor 1 for pre-shredding treatment, the pre-shredded material is basically ensured to be within 50 cm in size, the feeding conveyor 1 is provided with a return device to ensure uniformity of feeding, so that the double-shaft shredder I 2 is in a normal use state, and then the material is conveyed to a double-shaft shredder II 5 by a conveyor I 4 for secondary shredding, and the shredded iron materials are separated by a magnetic separator 3 through magnetic adsorption, and the size of the material after secondary shredding is controlled to be within 20 cm.

[0033] 2. washing and separating: the shredded material is conveyed to a horizontal separator 7 by the conveyor I 4 for separation, the horizontal separator 7 is provided with a motor for feeding, 100 cubic meters of recycled water is injected, the material rotates between a main shaft 702 and a sieve plate in the horizontal separator 7, the main shaft 702 of the horizontal separator is provided with a rubbing knife group for centrifugal rubbing treatment of the material, the organic matter smaller than the sieve hole of a filter cylinder sieve 16 is stirred and crushed, then the water after impurity separation is recycled after sedimentation, the material after separation of the horizontal separator 7 mainly includes about 50% of plastic packaging bags, about 20% of shredded cloth, about 20% of submerged plastic sheets and about 10% of other impurities, the material flows into the slag pulling cleaning pool 9, the floating plastic is separated by using the buoyancy and flowability of water through dispersion treatment, and the submerged impurities with large specific gravity are taken out by the slag scraping machine 904 and are screened by a vibrating screen 17 to ensure that the water content of the material is about 15%, so that the material is convenient for briquetting.

[0034] 3. Washing and dewatering: the separated plastic flows into the horizontal washing machine 10 from the slag washing pool 9 for dewatering treatment. The residual impurities sink to the bottom and are removed by the automatic slag discharge washing pool 12 and the pushing screw 124. The mixed slag in the washing pool 9 is pressed into blocks. The washed plastic is dewatered and then packaged for sale or regenerated into granules.

[0035] 4. Plasticizing and molding: the washed plastic is added into the plastic extruder 14. The material is plasticized by preheating and cooling and then cut into granules. Finally, the regenerated material is obtained and packaged for sale.

[0036] Through the above process, the plastic household waste water washing and sorting recycling process can produce high-quality regenerated granules, which meet the requirements of injection molding and better ensure the engineering quality, create good social and economic benefits, and meet the environmental protection requirements of green construction.

[0037] The working process and principle of the plastic packaging household waste water washing and sorting recycling production line are as follows:

[0038] The plastic packaging waste is first separated by the washing and sorting system, torn into pieces, and its overall structure is destroyed. The iron-containing substances are collected and sold by the magnetic separator. The remaining plastic packaging, cloth, and other impurities enter the washing and sorting link. The horizontal separator is filled with 100 cubic meters of recycled water. The equipment is equipped with a rotating main shaft with a working speed of 350-960 rpm. The horizontal separator is equipped with a 8-16 mm screen. The mud, paper pulp, and organic matter flow into the filter drum screen from the screen. The filtered water is treated and recycled by the water treatment system. The separated plastic packaging enters the washing pool, and the sinking materials such as cloth and sinking plastic are treated by dewatering and pressing into blocks. The blocks are sold to heat energy units. The floating plastic is treated by dewatering and drying and then enters the hot melt plastic system to produce regenerated granules. The gas generated during work is treated by the smoke treatment system.

[0039] The plastic packaging waste is put on the feeding conveyor by the feeding machine, is uniformly sent into the double-shaft shredder I by the feeding conveyor, is shredded once, the size of the shredded waste is controlled within 50 cm, and subsequent treatment is facilitated, is sent into the double-shaft shredder II by the conveyor I, is shredded twice, iron-containing scrap iron is screened out by the magnetic separator by using the magnetic adsorption principle, and is collected. After being shredded twice by the double-shaft shredder II, the size of the material is less than 20 cm, the material is input into the horizontal separator by the conveyor II, is cleaned and separated, the separated plastic and other materials are conveyed to the slag washing pool by the conveyor III, and are cleaned and separated, the submerged material is taken out by the drag and scraping plate in the slag washing pool, enters the vibrating screen, and excess water is screened out, impurities less than 3 mm are filtered out with the water flow to the filter drum screen, the submerged plastic, combustible materials such as cloth ends are conveyed to the briquetting machine, are pressed into 30-50 cm strip-shaped combustible fuel blocks by the briquetting machine, are sold, the plastic cleaned twice is conveyed to the automatic slag discharge washing pool by the conveyor IV through the discharge port of the horizontal cleaning machine, and is further cleaned and separated, the plastic flowing out of the automatic slag discharge washing pool is completely floating plastic, the plastic enters the dehydrator and is dehydrated by 60%, all the water used in the production process is recycled and is not discharged, the sludge collected after the water is precipitated and air floated can be used for new bricks or green planting soil, the recycling of dry and wet mixed household garbage is truly solved, and waste is turned into treasure, and garbage is turned into treasure.

[0040] The above content is merely an example and description of the structure of the present application, and those skilled in the art can make various modifications or supplements to the described specific embodiments or use similar ways to replace, as long as the modifications or supplements do not deviate from the structure of the present application or exceed the scope defined by the present application, and should belong to the protection scope of the present application.

Claims

1. A plastic packaging household garbage water washing separation and recycling production line, characterized in that, The application relates to a plastic recycling system, which comprises a cleaning and sorting system, an automatic residue discharging cleaning pool, a dewatering machine, a plastic extruder, a filtering drum screen, a vibrating screen, a briquetting machine, the cleaning and sorting system comprises a feeding conveyor, a double-shaft shredder I, a magnetic separator, a conveyor I, a double-shaft shredder II, a conveyor II, a horizontal separator, a conveyor III, a residue discharging cleaning pool, a horizontal cleaning machine, and one side of the horizontal cleaning machine is connected with the automatic residue discharging cleaning pool; one end of the feeding conveyor is provided with the double-shaft shredder I; one end of the double-shaft shredder I is connected with one end of the conveyor I; the top side of the conveyor I is provided with the magnetic separator and the other end of the conveyor I is connected with the double-shaft shredder II; one end of the double-shaft shredder II is connected with one end of the conveyor II; the other end of the conveyor II is connected with the horizontal separator; the horizontal separator is communicated with the filtering drum screen through a water tank; one end of the conveyor III connected with the horizontal separator is connected with the residue discharging cleaning pool; one end of the residue discharging cleaning pool is communicated with the horizontal cleaning machine; the horizontal cleaning machine has the same principle as the horizontal separator, only the specifications are different; the water tank of the residue discharging cleaning pool is communicated with the vibrating screen; the vibrating screen is connected with the filtering drum screen; the filtering drum screen is provided with the briquetting machine on one side; one end of the conveyor IV connected with the horizontal cleaning machine is connected with the automatic residue discharging cleaning pool; one end of the automatic residue discharging cleaning pool is provided with the dewatering machine; one side of the dewatering machine is provided with the plastic extruder; the horizontal separator comprises a feeding port, a main shaft, a slurry storage tank, a main frame, a motor, a sealing cover, a bearing seat, a slurry discharge port and a discharge port; the main frame of the horizontal separator is provided with the feeding port on the top side; the main shaft is arranged at the bottom side of the feeding port; the main shaft of the horizontal separator is provided with a rubbing knife group; the horizontal separator is provided with a sieve hole with a size of 8-16 mm; the main shaft is provided with the slurry storage tank at the bottom side; the main frame is provided with the motor at one side; the slurry storage tank is provided with the slurry discharge port at the bottom side; the main frame is provided with the discharge port at one side; the main frame is provided with the sealing cover on the top side; the main shaft is provided with the bearing seat at both ends for supporting the main shaft; the residue discharging cleaning pool comprises a main box body, a stirring roller, a water injection pipeline, a residue scraping machine, a residue scraping driving machine and a drag chain adjusting mechanism; the main box body is provided with the stirring roller at one side; the stirring roller is provided with the water injection pipeline at one side; the main box body is provided with the residue scraping machine at one side; the residue scraping mechanism is provided with the residue scraping driving machine at one side; and the main box body is provided with the drag chain adjusting device at one end.

2. The process of the plastic packaging household garbage water washing separation recycling production line according to claim 1, characterized in that, The application further relates to a plastic recycling method, which comprises the following steps: (1) shredding treatment: plastic packaging household waste is transported by a feeding conveyor to a double-shaft shredder I for pre-shredding treatment, the pre-shredded thick material size is ensured to be within 50 cm, the feeding conveyor is provided with a return device to ensure uniformity of the feeding, so that the double-shaft shredder I is in a normal use state, then the material is transported by a conveyor I to a double-shaft shredder II for secondary shredding, and the shredded iron materials are magnetically selected by a magnetic separator through adsorption principle, and the size of the secondary shredded material is controlled to be within 20 cm; (2) cleaning and separation: the shredded material is transported by a conveyor II to a horizontal separator for separation, the horizontal separator is provided with a motor controlled by a rated current for feeding and conveying, 100 cubic meters of recycled water is injected, the material is rotated and moved in the horizontal separator to perform centrifugal rubbing treatment, the horizontal separator is provided with a screen hole of 8-16 mm, the shredded organic matter is smaller than the screen hole of the filter cylinder screen, then the water after the impurities are screened is recycled after sedimentation, the material after the separation of the horizontal separator is composed of 50% of plastic packaging bags, 20% of shredded cloth, 20% of submerged plastic sheets, and 10% of other impurities, the material flows into a drag-out cleaning tank, is treated by dispersion, and the floating plastic is separated by the buoyancy and flowability of water, the heavy impurities are taken out by a slag scraping mechanism and are vibrated and screened by a vibrating screen to ensure that the water content of the material is 15%, so as to facilitate briquetting; (3) cleaning and dewatering: the plastic after the cleaning and separation flows into a horizontal cleaning machine from the drag-out cleaning tank, the treated material flows into an automatic slag cleaning tank from the horizontal cleaning machine, the residual bottom sediment is fully settled in the automatic slag cleaning tank and is removed by a pushing screw, the settled material in the mixed drag-out cleaning tank is briquetted, and the cleaned plastic skin flows into a dewatering machine for dewatering treatment; (4) plasticizing and molding: the dewatered plastic is added into a plastic extruder, the material temperature and time are set according to the properties of the regenerated material for plasticizing, and finally the regenerated material is obtained and is bagged for sale.

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