CN209999532U - Plastic waste material treatment water circulation system - Google Patents

Abstract

The utility model discloses a plastic waste material treatment water circulating system, including the shale shaker, reaction unit, the water treatment sedimentation tank, the air supporting pond, the liquid output end and the reaction unit of shale shaker are connected, reaction unit's liquid output end and water treatment sedimentation tank are connected, the liquid output end and the air supporting pond of water treatment sedimentation tank are connected, the liquid output end of air supporting pond is connected with the second water storage box, plastic waste material treatment water circulating system liquid circulation structure wherein is as follows: friction cleaning machine, the respective liquid output end of vertical hydroextractor all is connected with the input of shale shaker, the output of second water storage box is connected with the liquid input end of separation sedimentation tank, third screw conveyer, fourth screw conveyer, the respective liquid output end of these four of second vertical hydroextractor and third vertical hydroextractor all with the breaker, friction cleaning machine and the respective liquid input end of these three of vertical hydroextractor are connected.

Description

Plastic waste material treatment water circulation system

Technical Field

The utility model relates to a water circulating system for plastic waste treatment.

Background

The main raw materials of plastic waste are shells such as white household electrical appliances, black household electrical appliances, and the plastic waste recovery processing system among the prior art is like the form that chinese patent 201420632798.7 shows, and this patent scheme includes friction cleaning machine, hydroextractor, wherein: the friction cleaning machine enables plastics to be sufficiently rubbed with each other under the water-carrying condition so as to perform friction cleaning on the plastics, and liquid for washing materials can be discharged in the process of performing friction cleaning on the materials by the friction cleaning machine. The hydroextractor is thrown plastics so that plastics dewater, and at the in-process that the hydroextractor dewaters the material, liquid can be thrown away and then discharge on attaching to the material originally.

In this patent scheme (prior art), friction cleaning machine, hydroextractor are direct discharge at the discharged liquid of operation in-process, not by cyclic utilization, lead to the plastic waste material recovery processing system's among the prior art water resource consumption great, be unfavorable for environmental protection and energy saving.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide an plastic waste treatment water circulation system, which can reduce the water resource consumption of a waste recovery treatment system, thereby being beneficial to environmental protection and energy saving.

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

plastic waste material treatment water circulating system, including breaker, friction cleaning machine, vertical dehydrator, 0 separation sedimentation tank, the solid output of breaker with 1 friction cleaning machine connects, 2 friction cleaning machine's solid output with 3 vertical dehydrator is connected, 4 vertical dehydrator's solid output with separation sedimentation tank connects, separation sedimentation tank is equipped with and floats water material output and heavy bottom material output, floats water material output and has connected gradually third screw conveyer, second vertical dehydrator, sinks bottom material output and has connected gradually fourth screw conveyer, third vertical dehydrator, plastic waste material treatment water circulating system includes shale shaker, reaction unit, water treatment sedimentation tank, air supporting pond, the liquid output of shale shaker with reaction unit connects, reaction unit's liquid output with water treatment sedimentation tank connects, the liquid output of water treatment sedimentation tank with water treatment tank connects, the water circulating system of water storage tank connects, the air supporting of water tank is connected with the plastic waste material treatment water circulating system, wherein the air supporting water circulating system of second is connected with as follows:

the liquid output ends of the friction washer and the vertical dehydrator 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;

the liquid output ends of the third screw conveyor, the fourth screw conveyor, the second vertical dehydrator and the third vertical dehydrator are connected to the liquid input ends of the crusher, the th friction washer and the th vertical dehydrator, respectively.

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 and the th vertical dehydrator are connected with the th belt cutting submersible pump.

Specifically, the output end of the th vibrating screen is connected with a th water storage tank, and a th vertical submersible sewage pump is connected between the th water storage tank and the reaction device.

Specifically, plastic waste material handles water circulating system is including holding the mud pond, the water treatment sedimentation tank with the respective output in air supporting pond all with hold the mud pond and be connected.

Specifically, the output of holding the mud pond is connected with the diaphragm pump, the output of diaphragm pump is connected with plate and frame pressure filter, the liquid output end of plate and frame pressure filter with the second water storage tank is connected.

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

Specifically, plastic waste material treatment water circulating system includes second screw conveyer, second screw conveyer's solid input end with vertical dehydrator solid output end is connected, second screw conveyer's solid output end with the solid input end of separation sedimentation tank is connected.

Specifically, plastic waste material treatment water circulating system includes the second area and cuts the immersible pump, the third screw conveyer, the fourth screw conveyer, the second vertical hydroextractor and the respective liquid output end of these four of third vertical hydroextractor all with the input of second area cutting immersible pump is connected, the breaker friction cleaning machine, vertical hydroextractor and the respective liquid input end of the four of second screw conveyer all with the second area cuts the immersible pump and is connected.

Specifically, plastic waste material handles water circulating system includes PAC charge device and PAM charge device, PAC charge device and PAM charge device respective output all with reaction unit connects.

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

Specifically, the plastic waste treatment water circulation system comprises an th screw conveyor, wherein the input end of the th submersible belt cutting pump is connected with the liquid output end of the th screw conveyor, the solid output end of the th screw conveyor is connected with the crusher, and the input end of the th screw conveyor is used for receiving materials.

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

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

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

the liquid output ends of the th friction cleaning machine and the th vertical dehydrator are connected with the input end of the th 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, and the liquid output ends of the third screw conveyor, the fourth screw conveyor, the second vertical dehydrator and the third vertical dehydrator are connected with the liquid input ends of the crusher, the th friction cleaning machine and the th vertical dehydrator.

friction cleaning machine carries out friction cleaning to the material and then the discharged liquid to and vertical hydroextractor all exports the shale shaker to the discharged liquid of material dehydration, shale shaker filters this liquid, after removing the impurity, liquid is imported to reaction unit and is carried out steps and handle, make impurity in this liquid go into steps by precipitation separation, form the clear water, the clear water gets into the second water storage box and stores, the output of second water storage box is connected with the liquid input of separation sedimentation tank for supply separation sedimentation tank stored liquid.

The liquid discharged by the fourth screw conveyer, the second vertical dehydrator and the third vertical dehydrator are all from the liquid discharged from the separation and precipitation tank at the same time, and the discharged liquid is conveyed to the crusher, the friction washer and the vertical dehydrator so as to primarily wash the material which enters the plastic waste treatment system.

After the materials are cleaned by the three of the crusher, the friction washer and the vertical dehydrator, the sewage is filtered, decontaminated, separated and precipitated to form clear water, and then is conveyed to the th separation and precipitation tank to be used for material sorting, after the th separation and precipitation tank discharges the clear water, the liquid discharged by the four of the third screw conveyor, the fourth screw conveyor, the second vertical dehydrator and the third vertical dehydrator is input to the crusher, the friction washer and the vertical dehydrator again to clean the materials.

The sewage discharged by the crusher, the th friction cleaning machine and the th vertical dehydrator 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 to be used for material separation, the th separation and sedimentation tank discharges the separated liquid to a third screw conveyer, a fourth screw conveyer, a second vertical dehydrator and a third vertical dehydrator, the third screw conveyer, the fourth screw conveyer, the second vertical dehydrator and the third vertical dehydrator work to discharge 'secondary clear water', the cleanliness of the 'secondary clear water' is lower than that of the clear water in the th separation and sedimentation tank, so the 'secondary clear water' is conveyed to the crusher, the th friction cleaning machine and the vertical dehydrator to clean the material entering the plastic waste treatment system, and the plastic waste treatment water circulation system realizes the circulation of three clean water states of the sewage, the 'secondary clear water' and the 'clean water' so that the water self-circulation system is formed, thereby reducing the self-discharge of the sewage and energy-saving effect.

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 (13)

1. The plastic waste treatment water circulation system is characterized by comprising a crusher, a friction cleaning machine, a vertical dehydrator and a 0 separation and sedimentation tank, wherein the solid output end of the crusher is connected with a 1 friction cleaning machine, the solid output end of a 2 friction cleaning machine is connected with a 3 vertical dehydrator, the solid output end of a 4 vertical dehydrator is connected with a separation and sedimentation tank, the separation and sedimentation tank 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 and a second vertical dehydrator, the sinking material output end is sequentially connected with a fourth screw conveyor and a third vertical dehydrator, the plastic waste treatment water circulation system comprises a vibrating screen, a reaction device, a water treatment sedimentation tank and an air floatation tank, the vibrating screen has a liquid output end connected with the reaction device, the liquid output end of the reaction device is connected with the water treatment sedimentation tank, the water treatment water circulation system is connected with the air floatation tank, and the water circulation system is connected with the air floatation water circulation tank, wherein the water circulation system comprises:

the liquid output ends of the friction washer and the vertical dehydrator 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;

the liquid output ends of the third screw conveyor, the fourth screw conveyor, the second vertical dehydrator and the third vertical dehydrator are connected to the liquid input ends of the crusher, the th friction washer and the th vertical dehydrator, respectively.

2. The plastic waste treatment water circulation system of claim 1, wherein the input end of the th vibrating screen is connected with a th submersible belt cutter pump, and the output ends of the th friction washer and the th vertical dehydrator are connected with the th submersible belt cutter pump.

3. The plastic waste treatment water circulation system of claim 1, wherein the output end of the th vibrating screen is connected with a th water storage tank, and a th vertical submersible sewage pump is connected between the th water storage tank and the reaction device.

4. The plastic waste treatment water circulation system of claim 1, wherein: the plastic waste treatment water circulation system comprises a sludge storage tank, and the respective output ends of the water treatment sedimentation tank and the air floatation tank are connected with the sludge storage tank.

5. The plastic waste treatment water circulation system of claim 4, wherein: 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 the second water storage tank.

6. The plastic waste treatment water circulation system of claim 1, wherein the plastic waste treatment water circulation system comprises a second vertical submersible sewage pump, an input end of the second vertical submersible sewage pump is connected with the second water storage tank, and an output end of the second vertical submersible sewage pump is connected with the th separation and precipitation tank.

7. The plastic waste treatment water circulation system of claim 1, comprising a second screw conveyor, wherein the solid input end of the second screw conveyor is connected with the solid output end of the vertical dehydrator, and the solid output end of the second screw conveyor is connected with the solid input end of the separation and precipitation tank.

8. The plastic waste treatment water circulation system of claim 7, wherein the plastic waste treatment water circulation system comprises a second belt cutting submersible pump, the respective liquid output ends of the third screw conveyor, the fourth screw conveyor, the second vertical dehydrator and the third vertical dehydrator are connected with the input end of the second belt cutting submersible pump, and the respective liquid input ends of the crusher, the friction washer, the vertical dehydrator and the second screw conveyor are connected with the second belt cutting submersible pump.

9. The plastic waste treatment water circulation system of claim 1, wherein: the plastic waste treatment water circulation system comprises a PAC dosing device and a PAM dosing device, and respective output ends of the PAC dosing device and the PAM dosing device are connected with the reaction device.

10. The plastic waste treatment water circulation system of claim 1, wherein the liquid stored in the th separation and sedimentation tank is water.

11. The plastic waste treatment water circulation system of claim 2, comprising an th screw conveyor, wherein the input end of the th submersible belt pump is connected with the liquid output end of the th screw conveyor, the solid output end of the th screw conveyor is connected with the crusher, and the input end of the th screw conveyor is used for receiving materials.

12. The plastic waste treatment water circulation system of claim 1, wherein the th vibrating screen is a th circular vibrating screen.

13. The plastic waste treatment water circulation system of claim 1, wherein: the water treatment sedimentation tank is an inclined plate sedimentation tank.

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