CN209999534U - Plastic waste processing system - Google Patents

Abstract

The utility model discloses a plastic waste processing system, including the breaker, separation sedimentation tank, static sorting system and second separation sedimentation tank, the breaker is used for smashing the plastic waste, the output and the separation sedimentation tank of breaker are connected, by broken plastic waste transported to separation sedimentation tank, separation sedimentation tank carries out the water selection through its liquid that stores up to broken plastic waste, separation sedimentation tank is equipped with floating material output and heavy bottom material output, floating material output's principal ingredients be PE and/or PP, sinks bottom material output and is connected with static sorting system, static sorting system is equipped with ABS output and PS output, the principal ingredients of ABS output material is ABS, the principal ingredients of PS output material is PS, the PS output is connected with the second separation sedimentation tank.

Description

Plastic waste processing system

Technical Field

The utility model relates to an kinds of plastic waste material processing system.

Background

The plastic waste is mainly made of shells of white household appliances, black household appliances and the like, and the shells of the white household appliances, the black household appliances and the like contain components such as PS, ABS and the like. The plastic waste treatment system in the prior art can only perform basic grade separation on the plastic waste mixture, namely, the plastic waste is limited to the extent of separating the plastic waste into two to three types of main components, namely PS and ABS.

For example, Chinese patent 201420632798.7, which relates to a waste household plastic recycling system, in particular to a waste household plastic shell processing system integrating crushing, sorting, cleaning and drying on bodies, which comprises a crushing system, a cleaning system and a drying system, and is characterized in that the crushing system comprises a shredder and a fine crusher, the cleaning system comprises a friction cleaning machine, a -level rinsing machine, a thermal cleaning machine and a second-level rinsing machine, the drying system comprises a dehydrator and a dryer, the utility model discloses a large workpiece plastic shell such as a waste household appliance is firstly crushed into small pieces by the -level shredder, irregular shell plastic is crushed into small pieces and granular plastic with the same size as by the fine crusher, and then the small pieces and granular plastic are conveyed to the -level rinsing machine, the thermal cleaning machine and the second-level rinsing machine through the friction cleaning machine, impurity removal and sorting, finally the separated plastic is dewatered, dried and dedusted by the dehydrator and the dryer, the whole recycling system effectively reduces the labor recycling cost of waste household plastic, increases the utilization rate of plastic raw materials, and the environment-friendly and energy-saving scheme is used for separating plastic materials into plastic and plastics such as ABS.

With the increasing variety of materials for the shells of white and black home appliances, the types of components contained in the broken plastic waste materials are also increasing, such as PE, PP, ABS, PS and the like, wherein PS is classified into environmental-friendly PS and non-environmental-friendly PS. Currently, the current practice is. How to efficiently and continuously classify plastic wastes by taking PE/PP, ABS, environmental protection PS, non-environmental protection PS and the like as main components becomes a problem which needs to be solved urgently in the industry.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide plastic waste treatment systems, which can classify plastic waste materials by using PE/PP, ABS, environmental protection PS and non-environmental protection PS as main components.

The purpose of the utility model is realized by adopting the following technical scheme:

plastic waste material processing system, including breaker, separation sedimentation tank, electrostatic separation system and second separation sedimentation tank, wherein:

the crusher is used for crushing plastic waste, the output end of the crusher is connected with the th separation and sedimentation tank, and the crushed plastic waste is conveyed to the th separation and sedimentation tank;

the th separation and sedimentation tank carries out water separation on the crushed plastic waste through the stored liquid, the th separation and sedimentation tank is provided with a th floating material output end and a th bottom material output end, the main component of the material output by the th floating material output end is PE and/or PP, and the th bottom material output end is connected with the electrostatic separation system;

the electrostatic separation system is provided with an ABS output end and a PS output end, the main component of the material output by the ABS output end is ABS, the main component of the material output by the PS output end is PS, and the PS output end is connected with the second separation and precipitation tank;

the second separation and sedimentation tank is used for carrying out water separation on the materials input from the PS output end through the stored liquid, the second separation and sedimentation tank is provided with a second floating material output end and a second bottom material output end, the main component of the materials output by the second floating material output end is environment-friendly PS, and the main component of the materials output by the second bottom material output end is non-environment-friendly PS.

Specifically, a friction cleaning machine and a vertical dehydrator are connected between the crusher and the th separation and sedimentation tank, wherein:

friction cleaning machine's input with the output of breaker is connected, friction cleaning machine is used for the washing material, friction cleaning machine's solid output with the input of vertical hydroextractor is connected, vertical hydroextractor is used for making the material dehydration, vertical hydroextractor's solid output with the input of separation sedimentation tank is connected.

Specifically, the input end of the crusher is provided with an th screw conveyor, and a second screw conveyor is arranged between the th vertical dehydrator and the th separation and sedimentation tank.

Specifically, the floating material output end is connected with third screw conveyer, second vertical hydroextractor in proper order, the second vertical hydroextractor is used for making floating material dehydration.

Specifically, the th settled material output end is connected with a fourth screw conveyor and a third vertical dehydrator in sequence, and the third vertical dehydrator is used for dehydrating the th settled material.

Specifically, an th heating stirrer is connected between the output end of the third vertical dehydrator and the electrostatic sorting system, and the th heating stirrer is used for heating the th settled bottom material so as to dry the th settled bottom material.

Specifically, be connected with silica gel remover between the output of third vertical hydroextractor and the th heating mixer, th silica gel remover is used for getting rid of the silica gel class impurity in the th heavy bed charge.

Specifically, the electrostatic separation system comprises an rd-grade separator and a second-grade separator, wherein the input ends of the rd-grade separator and the second-grade separator are respectively connected with the output end of the th heating stirrer, the rd-grade separator and the second-grade separator are respectively provided with a PP/PE primary separating groove, an ABS primary separating groove and a PS primary separating groove, the PP/PE primary separating groove is used for collecting plastic waste with main components of PP and/or PE, the ABS primary separating groove is used for collecting plastic waste with main components of ABS, and the PS primary separating groove is used for collecting plastic waste with main components of PS.

Specifically, the electrostatic separation system includes second grade sorter, the ABS elementary branch silo pass through conveying mechanism with the input of second grade sorter is connected, 0 second grade sorter is equipped with PA branch silo, ABS secondary branch silo and circulation branch silo, PA divides the silo to be used for collecting the plastic waste that the principal ingredients is PA, ABS secondary branch silo is used for collecting the plastic waste that the principal ingredients is ABS, circulation branch silo is used for collecting the follow remaining plastic waste of second grade sorter output, plastic waste processing system is equipped with circulation conveying mechanism, circulation branch silo with circulation conveying mechanism connects, circulation conveying mechanism's output with first grade sorter, the respective input of second first grade sorter connects.

Specifically, the electrostatic separation system comprises a second-grade separator, the PS primary distributing trough is connected with an input end of the second-grade separator through a conveying mechanism, the second-grade separator is provided with a PP/PE secondary distributing trough, a PS secondary distributing trough and a second circulating distributing trough, the PP/PE secondary distributing trough is used for collecting plastic waste with main components being PE and/or PP, the PS secondary distributing trough is used for collecting plastic waste with main components being PS, the second circulating distributing trough is used for collecting the rest of the plastic waste output from the second-grade separator, the plastic waste treatment system is provided with an -th circulating conveying mechanism, the second circulating distributing trough is connected with the -th circulating conveying mechanism, and an output end of the -th circulating conveying mechanism is connected with respective input ends of the -first-grade separator and the second-grade separator.

Specifically, the electrostatic separation system comprises an rd-class separator, the PS secondary distributing groove is connected with the input end of the rd-class separator through a conveying mechanism, the rd-class separator is provided with a PS terminal distributing groove, a third circulating distributing groove and a fourth circulating distributing groove, the PS terminal distributing groove is used for collecting plastic waste with main components of PS, the third circulating distributing groove is connected with the th circulating conveying mechanism through a conveying mechanism, the electrostatic separation system comprises a second circulating conveying mechanism, the output end of the second circulating conveying mechanism is connected with the th-class separator and the respective input end of the second first-class separator, and the fourth circulating distributing groove is connected with the second circulating conveying mechanism through a conveying mechanism.

Specifically, the PS terminal divides the silo to pass through conveying mechanism with the second separation sedimentation tank is connected, second floats the aquatic animal output and connects gradually fourth vertical hydroextractor, clean water basin and sixth vertical hydroextractor.

Specifically, the PS terminal divides the silo to pass through conveying mechanism with the second separates the sedimentation tank and connects, the second sinks the bottom material output and connects gradually fifth vertical hydroextractor, second clear water basin and seventh hydroextractor.

Specifically, the liquid stored in the th separation and sedimentation tank is clean water.

Specifically, the liquid stored in the second separation and precipitation tank is brine, and the salinity of the brine is 5% -9%.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the floating material output end outputs material with main component of PE and/or PP to separate PE and/or PP primarily.

The electrostatic separation system is provided with an ABS output end and a PS output end, and the main component of the material output by the ABS output end is ABS to separate ABS. The main component of the material output by the PS output end is PS, so that PS is primarily separated.

The PS output end is connected with the second separation and sedimentation tank, the second separation and sedimentation tank carries out water separation on materials input from the PS output end through liquid stored in the second separation and sedimentation tank, the second separation and sedimentation tank is provided with a second floating material output end and a second bottom material output end, the main component of the materials output by the second floating material output end is environment-friendly PS, the main component of the materials output by the second bottom material output end is non-environment-friendly PS, and therefore is carried out to separate the PS into the environment-friendly PS and the non-environment-friendly PS.

Drawings

FIG. 1 is a general schematic diagram of a plastic waste treatment system;

FIG. 2 is a partial view of part A of the plastic waste disposal system;

FIG. 3 is a partial view of portion B of the plastic waste disposal system;

FIG. 4 is a partial view of portion C of the plastic waste disposal system;

FIG. 5 is a partial view of portion D of the plastic waste disposal system;

FIG. 6 is a top view of the plastic waste disposal system;

FIG. 7 is a schematic view of an electrostatic sorting system of the plastic waste treatment system.

In the figure, 1, a crusher, 21, separation and sedimentation tanks, 22, a second separation and sedimentation tank, 31, friction cleaning machines, 41, vertical dewaterers, 42, a second vertical dewaterer, 43, a third vertical dewaterer, 44, a fourth vertical dewaterer, 45, a fifth vertical dewaterer, 46, a sixth vertical dewaterer, 47, a seventh vertical dewaterer, 51, 1 silica gel remover, 52, a second silica gel remover, 53, a third silica gel remover, 61, heating stirrer, 62, a second heating stirrer, 71, grade separator, 72, second grade separator, 701, PP/PE primary separating tank, 702, ABS primary separating tank, 703, PS primary separating tank, 73, B grade separator, 731, PA separating tank, 732, ABS secondary separating tank, 733, 23 circulation separating tank, 74, circulation conveying mechanism, 75, second grade separator, PS separating tank, 7683, PS spiral conveying mechanism, 762, PSD conveying spiral conveying mechanism, 7683, PSD spiral conveying mechanism, PSD spiral conveying trough, PSD spiral conveying mechanism, 7683, PSD spiral conveying mechanism, PSD spiral conveying trough, PSD spiral conveying mechanism, 767, PSD spiral conveying mechanism, PSD spiral conveying trough, PSD spiral conveying mechanism.

Detailed Description

The present invention will be described in with reference to the accompanying drawings and the detailed description, wherein it is to be understood that various embodiments or technical features described below can be combined arbitrarily to form new embodiments without conflict.

Referring to fig. 1 to 5, the plastic waste treatment system comprises a crusher 1, an th separation and sedimentation tank 21, an electrostatic separation system and a second separation and sedimentation tank 22, wherein:

the crusher 1 is used for crushing plastic waste, specifically, the plastic waste to be sorted is derived from plastic shells of white appliances, black appliances and other appliances, such as plastic shells of computer monitors and plastic shells of washing machines, the components of the plastic waste to be sorted mainly comprise PA, ABS, PS, PP and PE., the crusher 1 is used for crushing the plastic shells to form plastic particles, small blocks or sheets with the size of 15mm-25mm, the output end of the crusher 1 is connected with a separating and settling tank 21, and the crushed plastic waste is conveyed to a separating and settling tank 21.

the separation and sedimentation basin 21 carries out water separation on the crushed plastic waste through the liquid stored in the separation and sedimentation basin 21, specifically, the liquid stored in the separation and sedimentation basin 21 is pure water, the pure water refers to the density of the water being 1 or close to 1 in the present application, but not refers to the clarity and cleanness of the water, the 0 separation and sedimentation basin 21 is provided with a floating material output end and a bottom material output end, under the buoyancy effect of the pure water stored in the separation and sedimentation basin 21, the PE and/or PP (density being 0.92) floating on the water surface of the separation and sedimentation basin 21 is mainly composed of PE (density being 0.95) and/or PP (density being 0.92), and the rest plastic particles sink down, therefore, the PE and/or PP 5 bottom material output end is connected with an electrostatic separation system, and the separation and sedimentation basin 21 does not separate all the PE and/or PP-containing materials in the materials, therefore, the bottom material is a mixture of PE, PS , PP and the like.

The electrostatic separation system is provided with an ABS output end and a PS output end, wherein the main component of the material output by the ABS output end is ABS, the main component of the material output by the PS output end is PS, the PS output end is connected with the second separation and sedimentation tank 22, the second separation and sedimentation tank 22 carries out sorting on the received material in steps, namely the second separation and sedimentation tank 22 carries out water sorting on the material input through the PS output end through the stored liquid, specifically, the liquid stored in the second separation and sedimentation tank 22 is saline water, the salinity of the saline water is 5% -9%, in the embodiment, the salinity of the saline water is 7%, the second separation and sedimentation tank 22 is provided with a second floating material output end and a second sinking material output end, the density of the environmental-friendly PS is lower than that of the saline water, and the density of the non-environmental-friendly PS is higher than that of the saline water, so that the main component of the material output by the second floating material output end is environmental-friendly PS, and the main component of the material output by the second sinking material.

Specifically, a friction washer 31 and a vertical dehydrator 41 are connected between the crusher 1 and the th separation and sedimentation tank 21, wherein:

the input end of the friction washer 31 is connected with the output end of the crusher 1, the friction washer is used for washing materials, the principle is that the friction washer strongly stirs the materials in the rotating process by the stirring sheet arranged on the rotating shaft in the friction washer, so as to generate the friction between the stirring sheet and the materials and between the materials, thereby playing the role of washing the materials.

the solid output end of the friction washer 31 is connected with the input end of the vertical dehydrator 41, the vertical dehydrator is used to dehydrate the material, the principle is that the material is pushed and stirred by the main shaft helical blade after entering the vertical dehydrator, the material is rubbed in the screen mesh to separate impurities and dirt (such as small sand and fine material) by friction, then the material is thrown out through the screen mesh under the action of water and centrifugal force, the rest material to be treated is discharged at the discharge port, the dehydration efficiency of the rest material to be treated is not less than 98%, the solid output end of the vertical dehydrator 41 is connected with the input end of the separation sedimentation tank 21, concretely, the input end of the crusher 1 is provided with the screw conveyor 87, and the second screw conveyor 85 is arranged between the vertical dehydrator 41 and the separation sedimentation tank 21.

Specifically, the th floating material output end is connected with the third screw conveyor 81 and the second vertical dewatering machine 42 in sequence, the second vertical dewatering machine 42 is used for dewatering the th floating material, preferably, the output end of the second vertical dewatering machine 42 is connected with the Z type winnowing machine 92, and the Z type winnowing machine 92 is used for removing impurities such as dust and labels in the th floating material.

Specifically, a fourth screw conveyor 82, a third vertical dewatering machine 43 are connected to the bottom-sinking output end in sequence, the third vertical dewatering machine 43 is used for dewatering bottom-sinking materials, a 0 heating stirrer 61 is connected between the output end of the third vertical dewatering machine 43 and the electrostatic sorting system, the 1 heating stirrer 61 is used for heating 2 bottom-sinking materials to dry 3 bottom-sinking materials so that 4 bottom-sinking materials can be better rubbed and electrically separated in the subsequent electrostatic sorting process, preferably, a silicone rubber remover 51 is connected between the output end of the third vertical dewatering machine 43 and the heating stirrer 61, a silicone rubber remover 51 is used for removing silicone type impurities in 8 bottom-sinking materials, a is preferred, a second Z type air separator 91 is connected between the silicone rubber remover 51 and the third vertical dewatering machine 43, a second Z type air separator 91 is used for removing silicone type impurities such as dust 6860 bottom-sinking materials and dust and impurities in 6862 of the third vertical dewatering machine 6866, a temporary storage hopper 56 is connected to the third vertical heating stirrer 56, a second heating stirrer 56 is connected to the second vertical air separator 61 for thoroughly heating and electrically separating materials by a heating stirrer 58 so that the second drum 26 and the second drum 72 heating stirrer 61 is connected to heat the temporary storage drum 61 so that the temporary storage drum 61 and the temporary storage drum 61 is used for preheating the temporary heat sorting system to dry under the temporary heating system to dry , the temporary storage drum 72, the temporary storage drum 95 is used for removing the temporary storage drum 95, the temporary storage drum 95 is connected to dry 367 heating and the temporary storage drum 62, the temporary storage drum 95 is connected to dry 367 heating stirrer 62, the temporary storage drum 61, the temporary storage drum 95 is connected to dry and the temporary storage drum 62, the temporary storage drum 95 is connected to dry 367.

With reference to fig. 4, 6 and 7, the electrostatic sorting system includes a-stage sorter 71, 72, and a-stage sorter 71 and 72 have their respective inputs connected to the output of the fifth screw conveyor 88. it should be noted that the specific parameters of "electrode polarity", "electric field strength", etc. of each sorter in the electrostatic sorting system are different and can be set according to the plastic component that the sorter desires to sort, and of course, a plastic component that is desired to sort is "enriched in that component" rather than being absolutely 100% composed of that component.

the first-grade sorting machine 71 and the second-grade sorting machine 72 are provided with three distributing troughs, which are respectively a PP/PE primary distributing trough 701, an ABS primary distributing trough 702 and a PS primary distributing trough 703. the PP/PE primary distributing trough 701 is used for collecting plastic waste with main components of PP and/or PE, the PP/PE primary distributing trough 701 outputs the collected materials to an electrostatic sorting system (along the direction A1 in FIG. 7) through a discharging conveying mechanism (the discharging conveying mechanism is peripheral equipment, independent of the sorting machine, the same below), and collects the materials at a PP/PE collecting position 781. the ABS primary distributing trough 702 is used for collecting plastic waste with main components of ABS. the PS primary distributing trough 703 is used for collecting plastic waste with main components of PS.

Specifically, the electrostatic sorting system includes a -th grade B sorter 73, the ABS primary chute 702 is connected to the input end of the -th grade B sorter 73 by an outfeed conveyor mechanism, the ABS primary chute 702 of each of the -A sorter 71 and the second A sorter 72 conveys plastic waste, the primary component of which is ABS, to the -th grade B sorter 73 by an outfeed conveyor mechanism (in the direction A2 in FIG. 7).

The second-stage sorting machine 73 is provided with a PA distributing groove 731, an ABS secondary distributing groove 732 and a th circulation distributing groove 733, the PA distributing groove 731 is used for collecting plastic waste with PA as a main component, the PA distributing groove 731 outputs the collected material to the electrostatic sorting system through a discharge conveying mechanism, and collects the material at a PA collecting position 782 (along a direction B1 in fig. 7).

The ABS secondary distributing groove 732 is used for collecting plastic waste with main components of ABS, the ABS secondary distributing groove 732 outputs the collected materials to the electrostatic sorting system through the discharging conveying mechanism, and is further conveyed to the second silica gel removing machine 52 (along the direction B2 in fig. 7), the second silica gel removing machine 52 is used for removing silica gel impurities in the plastic waste with main components of ABS, the th circulating distributing groove 733 is used for collecting the rest of the plastic waste output from the th-stage sorting machine 73.

The electrostatic sorting system is provided with an -th circulating conveying mechanism 74, wherein a -th circulating distribution groove 733 is connected with a -th circulating conveying mechanism 74 through a discharging conveying mechanism (the material discharged from the -th circulating distribution groove 733 flows along the direction B3 in fig. 7), an output end (M in fig. 7) of a -th circulating conveying mechanism 74 is connected with respective input ends of an -th-class sorting machine 71 and a second-class sorting machine 72, and it is to be noted that the figure only shows a schematic, and the connection state of the output end of the -th circulating conveying mechanism 74 and the respective input ends of the -th-class sorting machine 71 and the second-class sorting machine 72 is not actually shown.

Specifically, the electrostatic sorting system includes a second secondary sorter 75 and a third-stage sorter 76. with a PS primary chute 703 connected to an input end of the second secondary sorter 75 through an outfeed conveyor mechanism (in the direction a1 in fig. 7), the second secondary sorter 75 is provided with a PP/PE secondary chute 751, a PS secondary chute 752 and a second circulation chute 753, the PP/PE secondary chute 751 is used for collecting plastic waste with a major component of PE and/or PP, the PP/PE secondary chute 751 is used for outputting the collected material to the electrostatic sorting system through the outfeed conveyor mechanism and is collected at a PP/PE second collection point 783 (the material discharged from the PP/PE secondary chute 751 flows in the direction C1 in fig. 7), the PS secondary chute 752 is used for collecting plastic waste with a major component of PS, the PS secondary chute 752 outputs the collected material to the third-stage sorter 76 through the outfeed conveyor mechanism, the PS secondary chute 752 is used for outputting the collected material to the second circulation chute 753 through the outflow conveyor mechanism 752, the second circulation chute 753, the other discharge chute 753 is connected to the second circulation chute 753 through the discharge conveyor mechanism 387, the second discharge mechanism, and the second discharge chute, and the second collection station, and the second.

The third-stage sorting machine 76 is provided with a PS terminal distributing groove 761, a third circulating distributing groove 762 and a fourth circulating distributing groove 763. the PS terminal distributing groove 761 is used for collecting plastic waste materials with PS as main components, the PS terminal distributing groove 761 outputs the collected materials to the electrostatic sorting system through a discharging conveying mechanism, and the materials are input into the third silica gel removing machine 53 (the flow direction of the materials discharged from the PS terminal distributing groove 761 is the direction D1 in fig. 7), the third circulating distributing groove 762 is connected with the circulating conveying mechanism 74 through the discharging conveying mechanism (the flow direction of the materials discharged from the third circulating distributing groove 762 is the direction D2 in fig. 7).

The electrostatic sorting system comprises a second circulating conveying mechanism 77, wherein an output end (at N in fig. 7) of the second circulating conveying mechanism 77 is connected with input ends of a th-level sorting machine 71 and a second-level sorting machine 72, it should be noted that the drawing is only schematically illustrated, and the connection state of the output end of the second circulating conveying mechanism 77 and the input ends of a st-level sorting machine 71 and a second-level sorting machine 72 is not actually shown, a fourth circulating material distributing groove 763 is connected with the second circulating conveying mechanism 77 through a material discharging conveying mechanism (the flow direction of materials discharged from the fourth circulating material distributing groove 763 is as the direction D3 in fig. 7).

The electrostatic separation system comprises a first-grade separator, a second-grade separator and a third-grade separator, wherein the first-grade separator is used for primary separation, partial sundries (PP/PE) with high enrichment degree are discharged, the rest sundries respectively enter a second-grade separator 73 and a second-grade separator 75 to be separated in a step, then, the second-grade separator 73 discharges partial sundries (PA) with high enrichment degree, the second-grade separator 75 discharges partial sundries (PP/PE) with high enrichment degree, then, the second-grade separator 75 inputs partial rest sundries into a third-grade separator 76, and the third-grade separator 76 discharges Partial Sundries (PS) with high enrichment degree.

The materials are sorted in three stages, so that corresponding sundries can be sorted out in corresponding sorting machines in a more targeted manner.

In addition, the electrostatic sorting system comprises th circulating conveying mechanism 74 and 77 second circulating conveying mechanism, wherein th circulating branch trough 733 and 753 second circulating branch trough are connected with th circulating conveying mechanism 74 through discharging output mechanism, and 763 fourth circulating branch trough is connected with 77 second circulating conveying mechanism through discharging conveying mechanism, therefore, the materials which are not screened by the specific materials in th- level sorter 73 and 75 second-level sorter can be conveyed to the first-level sorter again through th circulating conveying mechanism 74, and similarly, the materials which are not screened by the specific materials in third-level sorter 76 can be conveyed to the first-level sorter again through 77 to be sorted again.

It should be noted that the a-stage sorting machine 71, the second a-stage sorting machine 72, the b-stage sorting machine 73, the second b-stage sorting machine 75 and the c-stage sorting machine 76 are all provided with a friction channel, a conveyor belt and sorting electrodes, a rotating shaft is arranged in the friction channel, the rotating shaft is provided with a plurality of stirring blades, the stirring blades are used for stirring materials, so that the materials are mutually rubbed to carry charges, the materials output through the friction channel fall into the conveyor belt, and the sorting electrodes are arranged at the output end of the conveyor belt.

The discharge transport mechanism is a vibrating conveyor, the th circulating transport mechanism 74 is a vibrating conveyor, and the 77 th circulating transport mechanism is a vibrating conveyor.

The output end of the third silica gel removing machine 53 (the input material is plastic waste with PS as the main component) is connected to a second storage bin 112, and the second storage bin 112 collects plastic waste with PS as the main component (including environment-friendly PS and non-environment-friendly PS). The output end of the second storage bin 112 is connected with a sixth screw conveyor 86, and the output end of the sixth screw conveyor 86 is connected with the second separation and sedimentation tank 22.

The plastic waste treatment system comprises a plastic waste treatment water circulation system, the plastic waste treatment water circulation system comprises a crusher 1, a 0 friction cleaning machine 31, a 1 vertical dewatering machine 41 and a 2 separation and sedimentation tank 21, a solid output end of the crusher 1 is connected with the 3 friction cleaning machine 31, a solid output end of the 4 friction cleaning machine 31 is connected with the 5 vertical dewatering machine 41, a solid output end of the 6 vertical dewatering machine 41 is connected with the 7 separation and sedimentation tank 21, the 8 separation and sedimentation tank 21 is provided with a floating material output end and a sinking material output end, the floating material output end is sequentially connected with a third screw conveyor 81 and a second vertical dewatering machine 42, the sinking material output end is sequentially connected with a fourth screw conveyor 82 and a third vertical dewatering machine 43, the plastic waste treatment water circulation system comprises a vibration sieve, a reaction device, a water treatment sedimentation tank, an air flotation tank, a vibration sieve output end and a liquid output end of the reaction and the air flotation treatment water circulation system are connected with the air flotation treatment water circulation tank, wherein the air flotation treatment water circulation system is connected with the air flotation tank :

the liquid output ends of the friction washer 31 and the vertical dehydrator 41 are connected with the input end of the vibrating screen;

the output end of the second water storage tank is connected with the liquid input end of the th separation and sedimentation tank 21;

the liquid output ends of the third screw conveyor 81, the fourth screw conveyor 82, the second vertical dehydrator 42, and the third vertical dehydrator 43 are connected to the liquid input ends of the crusher 1, the th friction washer 31, and the th vertical dehydrator 41.

Specifically, the input end of the th vibrating screen is connected with a th belt cutting submersible pump, and the output ends of the th friction cleaning machine 31 and the th vertical dehydrator 41 are connected with a th belt cutting submersible pump.

Specifically, the plastic waste treatment water circulation system comprises a PAC dosing device and a PAM dosing device, the respective output ends of the PAC dosing device and the PAM dosing device are connected with the reaction device, the PAM and the PAC are flocculating agents, and in a water treatment sedimentation tank, impurities such as colloids and insoluble particles in sewage are adhered to the flocculating bodies formed by the PAM and the PAC so as to agglomerate the colloids and the insoluble particles.

The th plastic waste treatment water circulation system comprises a mud storage tank, wherein the respective output ends of the water treatment sedimentation tank and the air flotation tank are connected with the mud storage tank, after the liquid in the water treatment sedimentation tank is conveyed to the air flotation tank, micro bubbles are released from the bottom of the air flotation tank, the bubbles are attached to the floccules (the floccules are adhered with colloid and insoluble particles), so that the buoyancy of the floccules is increased and the floccules float up to the surface of the air flotation tank, then, the floccules floating up to the surface of the air flotation tank can be transferred to the mud storage tank to remove the colloid and the insoluble particles of the sewage, and the liquid remaining in the air flotation tank has relatively high degree of cleanness and can be conveyed to the th separation sedimentation tank 21 for sorting.

Specifically, the output end of the sludge storage tank is connected with a diaphragm pump, the output end of the diaphragm pump is connected with a plate-and-frame filter press, and the liquid output end of the plate-and-frame filter press is connected with a second water storage tank.

Specifically, the plastic waste material treatment water circulating system includes the vertical stealthily dirty pump of second, and the input and the second water storage tank of the vertical stealthily dirty pump of second are connected, and the output and the separation sedimentation tank 21 of the vertical stealthily dirty pump of second are connected.

Specifically, the plastic waste material treatment water circulation system includes second screw conveyer 85, and the solid input of second screw conveyer 85 is connected with vertical hydroextractor 41 solid output, and the solid output of second screw conveyer 85 is connected with the solid input of separation and precipitation pond 21.

Specifically, the plastic waste treatment water circulation system comprises a second belt cutting submersible pump, and the respective liquid output ends of the fourth screw conveyor 81, the fourth screw conveyor 82, the second vertical dehydrator 42 and the third vertical dehydrator 43 are connected with the input end of the second belt cutting submersible pump, and the respective liquid input ends of the fourth crusher 1, the friction washer 31, the vertical dehydrator 41 and the second screw conveyor 85 are connected with the second belt cutting submersible pump.

Specifically, the th plastic waste treatment water circulation system includes th screw conveyer 87, and the input of th area cutting immersible pump is connected with the liquid output of th screw conveyer 87, and the solid output of th screw conveyer 87 is connected with breaker 1, and the input of th screw conveyer 87 is used for receiving material.

Specifically, the th vibrating screen is a th circular vibrating screen.

Specifically, the water treatment sedimentation tank is an inclined plate sedimentation tank.

the friction cleaner 31 rubs the material and cleans the discharged liquid, and the vertical hydroextractor 41 dehydrates the material and discharges the discharged liquid all to the vibrating screen, after vibrating screen filters, removes the impurity to this liquid, the liquid is imported to the reaction unit and is further steps to be handled, make the impurity in this liquid go into steps by the precipitation separation, form the clear water, the clear water enters the second water storage tank to store, the output of the second water storage tank is connected with the liquid input of separation sedimentation tank 21, is used for replenishing the separation sedimentation tank 21 stored liquid.

The liquid discharged from each of the third screw conveyor 81, the fourth screw conveyor 82, the second vertical dehydrator 42 and the third vertical dehydrator 43 is derived from the liquid discharged from the th separation and precipitation tank 21 at the same time, and the discharged liquid is conveyed to the crusher 1, the th friction washer 31 and the vertical dehydrator 41 to primarily wash the material initially entering the plastic waste treatment system.

In this way, the sewage after the material washing by the three of the crusher 1, the th friction washer 31 and the th vertical dehydrator 41 is filtered, decontaminated, separated and precipitated to form clear water, and then is conveyed to the th separation and precipitation tank 21 to be used for material sorting, after the th separation and precipitation tank 21 discharges, the liquid discharged by the four of the third screw conveyor 81, the fourth screw conveyor 82, the second vertical dehydrator 42 and the third vertical dehydrator 43 is again input to the crusher 1, the th friction washer 31 and the th vertical dehydrator 41 to wash the material.

The sewage discharged by the crusher 1, the th friction cleaning machine 31 and the th vertical dehydrator 41 is conveyed to a th vibrating screen, a reaction device and the like to remove impurities and purify to form clear water, then the clear water is conveyed to a th separation and sedimentation tank 21 to be used for material separation, the liquid discharged when the th separation and sedimentation tank 21 is separated and discharged to a third screw conveyor 81, a fourth screw conveyor 82, a second vertical dehydrator 42 and a third vertical dehydrator 43, the third screw conveyor 81, the fourth screw conveyor 82, the second vertical dehydrator 42 and the third vertical dehydrator 43 work is 'secondary clear water', the cleanliness of the 'secondary clear water' is lower than that of the clear water in the separation and sedimentation tank 21, so the 'secondary clear water' is conveyed to the crusher 1, the th friction cleaning machine 31 and the vertical dehydrator 41 to clean the material entering the primary waste treatment system, the waste treatment water circulation system realizes the three states of the sewage, the 'secondary clear water' is in a clean water state, and the waste water circulation system is used to form an environment-friendly and energy-saving plastic water circulation system, thereby realizing the self-saving and reducing the discharge of the plastic waste water circulation.

The plastic waste treatment system comprises a second plastic waste treatment water circulation system, the second plastic waste treatment water circulation system comprises a second separation and sedimentation tank 22, and the second separation and sedimentation tank 22 is provided with a second floating water material output end and a second sediment material output end. The second float output end is connected with a seventh screw conveyor 83 and a fourth vertical dehydrator 44 in sequence. The second sediment output end is connected with an eighth screw conveyor 84 and a fifth vertical dehydrator 45 in sequence. The second plastic waste treatment water circulating system comprises a second vibrating screen and a third water storage tank, the liquid output end of the second vibrating screen is connected with the third water storage tank, and the liquid circulating structure of the second plastic waste treatment water circulating system is as follows:

the liquid output ends of the seventh screw conveyor 83, the fourth vertical dehydrator 44, the eighth screw conveyor 84 and the fifth vertical dehydrator 45 are all connected with the second vibrating screen;

the third reservoir is connected to the liquid input of the second separation and sedimentation tank 22.

Specifically, the second plastic waste material treatment water circulating system comprises a third belt cutting submersible pump, and the output end of the third belt cutting submersible pump is connected with the second vibrating screen. The liquid output ends of the seventh screw conveyor 83, the fourth vertical dehydrator 44, the eighth screw conveyor 84 and the fifth vertical dehydrator 45 are all connected with the third belt cutting submersible pump.

Specifically, the second plastic waste treatment water circulation system comprises a third vertical submersible sewage pump, the output end of the third water storage tank is connected with the third vertical submersible sewage pump, and the output end of the third vertical submersible sewage pump is connected with the liquid input end of the second separation sedimentation tank 22.

Specifically, the second plastic waste treatment water circulation system comprises an th clean water tank 101 and a sixth vertical dehydrator 46, wherein the solid output end of the fourth vertical dehydrator 44 is connected with the th clean water tank 101, and the solid output end of the th clean water tank 101 is connected with the sixth vertical dehydrator 46.

Specifically, the second plastic waste treatment water circulation system comprises a third vibrating screen, and the liquid output ends of the clean water tank 101 and the sixth vertical dehydrator 46 are connected with the third vibrating screen.

Specifically, the second plastic waste treatment water circulation system comprises a fourth belt cutting submersible pump, the clean water tank 101 and the respective liquid output ends of the sixth vertical dehydrator 46 are connected with the fourth belt cutting submersible pump, and the output end of the fourth belt cutting submersible pump is connected with the third vibrating screen.

Specifically, the second plastic waste treatment water circulation system includes the fourth water storage box, and the input of fourth water storage box is connected with the liquid output of third shale shaker, and the output and the clean water basin 101 of fourth water storage box are connected.

Specifically, the second plastic waste treatment water circulation system comprises a fourth vertical submersible sewage pump, the output end of the fourth water storage tank is connected with the fourth vertical submersible sewage pump, and the output end of the fourth vertical submersible sewage pump is connected with the -th clean water tank 101.

Specifically, the second plastic waste treatment water circulation system includes a second clean water tank 102 and a seventh vertical dehydrator 47. The solid output end of the fifth vertical dehydrator 45 is connected to the second clean water tank 102, and the solid output end of the second clean water tank 102 is connected to the seventh vertical dehydrator 47.

Specifically, the respective liquid output ends of the second clean water tank 102 and the seventh vertical dehydrator 47 are connected to the third vibrating screen.

Specifically, the second plastic waste treatment water circulation system comprises a fifth belt cutting submersible pump, the respective liquid output ends of the second clean water tank 102 and the seventh vertical dehydrator 47 are connected with the fifth belt cutting submersible pump, and the output end of the fifth belt cutting submersible pump is connected with the third vibrating screen.

Specifically, the input end of the fourth water storage tank is connected with the liquid output end of the third vibrating screen, and the output end of the fourth water storage tank is connected with the second clean water tank 102.

Specifically, the output end of the fourth water storage tank is connected with the fourth vertical submersible sewage pump, and the output end of the fourth vertical submersible sewage pump is connected with the second clean water tank 102.

Specifically, the second vibrating screen is a second circular vibrating screen.

The working principle of the second plastic waste treatment water circulation system is as follows: the liquid output ends of the seventh screw conveyor 83, the fourth vertical dewatering machine 44, the eighth screw conveyor 84 and the fifth vertical dewatering machine 45 are connected to the second vibrating screen. The third reservoir is connected to the liquid input of the second separation and sedimentation tank 22. The second separation sedimentation tank 22 discharges after sorting: the second float water is conveyed to the fourth vertical dehydrator 44 by the seventh screw conveyor 83, and the second bottom sediment is conveyed to the fifth vertical dehydrator 45 by the eighth screw conveyor 84. During the process of inputting the second float material to the seventh screw conveyor 83 and the process of inputting the second bottom material to the eighth screw conveyor 84, part of the liquid stored in the second separation and sedimentation tank 22 enters the seventh screw conveyor 83 and the eighth screw conveyor 84, so that the seventh screw conveyor 83 and the eighth screw conveyor 84 discharge the liquid during the process of conveying the materials. The fourth vertical dehydrator 44 and the fifth vertical dehydrator 45 also discharge liquid during the process of dehydrating the material by swinging. The liquid discharged by the seventh screw conveyor 83 and the eighth screw conveyor 84 and the liquid discharged by the fourth vertical dehydrator 44 and the fifth vertical dehydrator 45 are all conveyed to the second vibrating screen for impurity removal, and then conveyed to the third water storage tank for storage. The liquid stored in the third reservoir is replenished with a medicament to form a liquid, namely brine, which can be used by the second separation and sedimentation basin 22. The liquid stored in the third water storage tank is conveyed to a second separation sedimentation tank 22 for material separation.

In plastic waste material processing water circulating system, seventh screw conveyer 83, fourth vertical hydroextractor 44, the liquid that eighth screw conveyer 84 and fifth vertical hydroextractor 45 produced in the course of the work is carried to the second shale shaker in order to carry out the edulcoration, then is carried to the third water storage box and stores, so, can make seventh screw conveyer 83 carry, fourth vertical hydroextractor 44, the liquid that eighth screw conveyer 84 and fifth vertical hydroextractor 45 produced in the course of the work obtain cyclic utilization, avoid direct emission, thereby reduce the water waste. After adding the medicament to the third water storage tank, the liquid stored in the third water storage tank can be used by the second separation and sedimentation tank 22, so that the water can be recycled, the requirement of new municipal water is reduced, the water resource consumption is reduced, and the environment protection and energy saving are facilitated.

For the function or working principle of the crusher, reference may be made to patent documents 201610641070.4, CN104971811B, CN206296027U, CN206296028U, CN 106423466A;

for the function or working principle of the above friction cleaning machine, reference may be made to patent documents CN108357021A, CN103418570A, CN 205650554U;

for the function or working principle of the above separation and sedimentation tank, reference may be made to patent documents CN207841832U, CN107718367A, CN207240602U and CN 207240599U;

for the function or the operation principle of the vertical dehydrator, refer to patent documents CN 207065999U;

the function or working principle of the silica gel remover can be referred to patent document CN 201621262376;

the functions and operation principles of the above heating stirrer can be found in patent documents CN205980650U, CN204320143U, and CN 106288705A;

for the functions or working principles of the first-grade separator, the second-grade separator and the third-grade separator, reference may be made to patent documents CN208004155U, CN1326381A and CN 202498038U;

for the function or the operation principle of the Z-type air separator, reference may be made to patent documents CN203494791U, CN208466512U, CN106423865A, CN205914396U, and CN 203061434U;

for the function or operation principle of the screw conveyor, reference may be made to patent documents CN207312679U, CN208070688U, and CN 207450942U.

The patent documents disclose parts, elements, components or devices relating to the invention, and therefore, the structural, positional, force, motion, energy, momentum, etc., among the parts, elements or devices not mentioned herein can be understood by reference to the above-cited patent documents, the technical contents of which are thus part of this patent application document, where necessary, all published patent documents in the technical field to which the invention relates can provide prior art references to this patent application.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (15)

1. The plastic waste treatment system is characterized by comprising a crusher, an th separation and sedimentation tank, an electrostatic separation system and a second separation and sedimentation tank, wherein:

the crusher is used for crushing plastic waste, the output end of the crusher is connected with the th separation and sedimentation tank, and the crushed plastic waste is conveyed to the th separation and sedimentation tank;

the th separation and sedimentation tank carries out water separation on the crushed plastic waste through the stored liquid, the th separation and sedimentation tank is provided with a th floating material output end and a th bottom material output end, the main component of the material output by the th floating material output end is PE and/or PP, and the th bottom material output end is connected with the electrostatic separation system;

the electrostatic separation system is provided with an ABS output end and a PS output end, the main component of the material output by the ABS output end is ABS, the main component of the material output by the PS output end is PS, and the PS output end is connected with the second separation and precipitation tank;

the second separation and sedimentation tank is used for carrying out water separation on the materials input from the PS output end through the stored liquid, the second separation and sedimentation tank is provided with a second floating material output end and a second bottom material output end, the main component of the materials output by the second floating material output end is environment-friendly PS, and the main component of the materials output by the second bottom material output end is non-environment-friendly PS.

2. The plastic waste treatment system of claim 1, wherein a th friction washer and a th vertical dehydrator are connected between the crusher and the th separation and sedimentation tank, wherein:

friction cleaning machine's input with the output of breaker is connected, friction cleaning machine is used for the washing material, friction cleaning machine's solid output with the input of vertical hydroextractor is connected, vertical hydroextractor is used for making the material dehydration, vertical hydroextractor's solid output with the input of separation sedimentation tank is connected.

3. The plastic waste treatment system of claim 2, wherein the input end of the crusher is provided with an spiral conveyer, and a second spiral conveyer is arranged between the vertical dehydrator and the separating and settling tank.

4. The plastic waste treatment system of claim 1, wherein the th floating material output end is sequentially connected with a third screw conveyor and a second vertical dehydrator, and the second vertical dehydrator is used for dehydrating the th floating material.

5. The plastic waste treatment system of claim 1, wherein the th settled material output end is sequentially connected with a fourth screw conveyor and a third vertical dehydrator, and the third vertical dehydrator is used for dehydrating the th settled material.

6. The plastic waste treatment system of claim 5, wherein an th heating stirrer is connected between the output end of the third vertical dehydrator and the electrostatic separation system, and the th heating stirrer is used for heating the th sediment to dry the th sediment.

7. The plastic waste treatment system of claim 6, wherein a th silica gel remover is connected between the output end of the third vertical dehydrator and the th heating stirrer, and the th silica gel remover is used for removing silica gel impurities in the th bottom material.

8. The plastic waste treatment system as claimed in claim 6 or 7, wherein the electrostatic separation system comprises A-grade separator and a second-grade separator, the input ends of the A-grade separator and the second-grade separator are connected with the output end of the heated blender, the A-grade separator and the second-grade separator are respectively provided with a PP/PE primary distributing groove, an ABS primary distributing groove and a PS primary distributing groove, the PP/PE primary distributing groove is used for collecting plastic waste with PP and/or PE as main components, the ABS primary distributing groove is used for collecting plastic waste with ABS as main component, and the PS primary distributing groove is used for collecting plastic waste with PS as main component.

9. The plastic waste treatment system according to claim 8, wherein the electrostatic separation system comprises an th grade B separator, the ABS primary distributing groove is connected with the input end of the th grade B separator through a conveying mechanism, the 0 th grade B separator is provided with a PA distributing groove, an ABS secondary distributing groove and a circulating distributing groove, the PA distributing groove is used for collecting plastic waste with a main component of PA, the ABS secondary distributing groove is used for collecting plastic waste with a main component of ABS, the circulating distributing groove is used for collecting the rest of the plastic waste output from the th grade B separator, the plastic waste treatment system is provided with an circulating conveying mechanism, the circulating distributing groove is connected with the circulating conveying mechanism, and the output end of the circulating conveying mechanism is connected with the respective input ends of the th grade A separator and the second grade A separator.

10. The plastic waste treatment system according to claim 8, wherein the electrostatic separation system comprises a second secondary separator, the PS primary separator is connected with the input end of the second secondary separator through a conveying mechanism, the second secondary separator is provided with a PP/PE secondary separator, a PS secondary separator and a second circulating separator, the PP/PE secondary separator is used for collecting the plastic waste with the main component of PE and/or PP, the PS secondary separator is used for collecting the plastic waste with the main component of PS, the second circulating separator is used for collecting the rest of the plastic waste output from the second secondary separator, the plastic waste treatment system is provided with an circulating conveying mechanism, the second circulating separator is connected with the circulating conveying mechanism, and the output end of the circulating conveying mechanism is connected with the respective input ends of the A-grade separator and the second A-grade separator.

11. The plastic waste treatment system according to claim 10, wherein the electrostatic separation system comprises an rd-class separator, the PS secondary material distribution tank is connected with the input end of the rd-class separator through a conveying mechanism, the rd-class separator is provided with a PS terminal material distribution tank, a third circulating material distribution tank and a fourth circulating material distribution tank, the PS terminal material distribution tank is used for collecting plastic waste with PS as a main component, the third circulating material distribution tank is connected with the th circulating conveying mechanism through a conveying mechanism, the electrostatic separation system comprises a second circulating conveying mechanism, the output end of the second circulating conveying mechanism is connected with the rd-class separator and the input end of the second-class separator, and the fourth circulating material distribution tank is connected with the second circulating conveying mechanism through a conveying mechanism.

12. The plastic waste treatment system of claim 11, wherein the PS terminal trough is connected to the second separation and sedimentation tank via a conveying mechanism, and the second floating material outlet is sequentially connected to a fourth vertical dehydrator, an clear water tank, and a sixth vertical dehydrator.

13. The plastic waste treatment system of claim 11, wherein: the PS terminal distributing groove is connected with the second separation and sedimentation tank through a conveying mechanism, and the output end of the second sediment is sequentially connected with a fifth vertical dehydrator, a second clear water tank and a seventh dehydrator.

14. The plastic waste disposal system as defined in claim 1, wherein the liquid stored in said th separation and sedimentation tank is clean water.

15. The plastic waste treatment system of claim 1, wherein: the liquid stored in the second separation and precipitation tank is saline water, and the salinity of the saline water is 5% -9%.

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