CN210116080U

CN210116080U - Waste plastic recovery processing assembly line

Info

Publication number: CN210116080U
Application number: CN201920799511.2U
Authority: CN
Inventors: 张军; 王建明; 张恒
Original assignee: Huaxin Green Resources Environmental Ltd By Share Ltd
Current assignee: Huaxin Green Resources Environmental Ltd By Share Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-02-28
Anticipated expiration: 2029-05-29

Abstract

The utility model belongs to the technical field of the technique of carrying out recovery processing to waste plastic and specifically relates to a waste plastic recovery processing assembly line is related to, including broken system, with the cleaning system that broken system connects, with the water that cleaning system connects selects the system, with the drying system that selects the headtotail and with the sorting system that drying system connects. The utility model has the advantages that can carry out effectual processing and classification to waste plastic to recycle has reduced the pollution of waste plastic to the environment.

Description

Waste plastic recovery processing assembly line

Technical Field

The utility model belongs to the technical field of the technique of carrying out recovery processing to waste plastic and specifically relates to a waste plastic recovery processing assembly line is related to.

Background

In recent years, with the social development and the improvement of the consumption level of people, the consumption of plastic products is continuously increased, the total amount of waste plastics is also continuously increased, according to statistics, the proportion of the waste plastics in large and medium-sized cities is as high as about 10%, and the scattering of a large amount of waste plastics causes serious harm to the environment.

The existing waste plastic treatment technology mainly comprises the following steps:

1. the landfill method has the following disadvantages: a large amount of land resources are occupied and are difficult to recycle for a long time;

2. physical methods (recycled plastics) have the disadvantages: high energy consumption, serious secondary pollution and inferior regeneration quality;

3. the disadvantages of the incineration method are: the heat recovery rate is low, toxic gases such as chlorine, dioxin and the like are generated, and air is polluted;

4. the catalytic cracking process has the following disadvantages: the energy consumption is high, the types of the waste plastics are single, and the treatment conditions are harsh;

5. thermal cracking, ultrasonic, ionic water decomposition, etc., which have the following disadvantages: the treatment cost is high, the energy consumption is high, the type of the waste plastics is single, and the waste plastics with disordered components cannot be effectively treated.

Therefore, how to effectively treat and sort the waste plastics is a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a waste plastic recovery processing assembly line, its advantage can carry out effectual processing and classification to waste plastic to recycle has reduced the pollution of waste plastic to the environment.

The above technical purpose of the present invention can be achieved by the following technical solutions: a waste plastic recovery processing assembly line comprises a crushing system, a cleaning system connected with the crushing system, a water separation system connected with the cleaning system, a drying system connected with the water separation system, and a sorting system connected with the drying system.

Through the technical scheme, carry out the breakage through crushing system to waste plastic in this application, make it form the plastic chip of convenient transportation, broken back, wash the plastic chip through cleaning system, be used for removing adnexed oil stain on the plastic chip, after the washing, carry out the secondary through the impurity of water selection in to the plastic chip and clear away, then get into final sorting system through the drying and select separately, the line production of whole assembly line has realized the multistage processing and the classification to waste plastic, not only convenient recovery and utilization, the pollution of waste plastic to the environment has still been reduced.

This application is through screening, breakage, washing, water selection, drying and sorting to waste plastic, realizes to waste plastic multistage processing and classification, and convenient recovery and utilization have reduced the pollution of waste plastic to the environment.

The utility model discloses further set up to: the crushing system comprises a plastic crusher, a conveying belt and a first spiral conveyor, wherein the conveying belt is arranged on one side of the plastic crusher and used for conveying waste plastics, the first spiral conveyor is arranged at a discharge port of the plastic crusher, and an output end of the first spiral conveyor is connected with the cleaning system.

Through the technical scheme, when the waste plastics are conveyed into the plastic crusher through the conveyor belt, the plastic crusher crushes the waste plastics to form plastic fragments with the diameter of 1.8cm-2.5cm, and after the crushing is finished, the plastic fragments are conveyed into the cleaning system through the first spiral conveyor.

The utility model discloses further set up to: the cleaning system comprises a plastic grinding and cleaning machine connected with the output end of the first screw conveyor and a first plastic dewatering machine connected between the discharge port of the plastic grinding and cleaning machine and the water separation system.

Through the technical scheme, when the plastic fragments are conveyed to the plastic grinding and washing machine, the plastic grinding and washing machine grinds and washes the plastic fragments so as to remove stains on the plastic fragments and enable the plastic fragments to meet the requirement of machine unloading, and after washing is completed, the plastic fragments are dewatered at the first plastic dewatering machine so as to be transported.

The utility model discloses further set up to: the water separation system comprises a separation water tank arranged at the discharge port of the first plastic dehydrator, a second screw conveyor connected between the separation water tank and the drying system, and a material stirring device arranged above the separation water tank and used for stirring and conveying waste plastics into the drying system from the separation water tank.

Through the technical scheme, the plastic fragments subjected to dehydration treatment fall into the separation water tank, and the plastic fragments can float on the water surface due to light weight, and heavy objects can sink to the water bottom; and the material stirring device is used for stirring and conveying the plastic fragments from the separation water tank into the drying system to play a role in transmission.

The utility model discloses further set up to: the separation basin includes that inside cavity and top are open cuboid pond, set up keep away from the cuboid pond the bin outlet of first plastics hydroextractor one side and install just be located the level sensor of bin outlet low liquid level department in the cuboid pond, the cuboid pond passes through raceway and water source intercommunication, install the solenoid valve of being connected with PLC on the raceway.

Through above-mentioned technical scheme, when the liquid level was less than level sensor, it was with signal transmission to PLC, made its control solenoid open to towards cuboid pond water injection, when the liquid level was higher than level sensor, the solenoid valve was closed, was used for guaranteeing the liquid level in the cuboid pond, so that dial the material device and can normally work.

The utility model discloses further set up to: dial material device including respectively the rigid coupling be in separation basin is in along its length both ends and the vertical riser that upwards extends, rotate and connect two screw rod, rigid coupling between the riser just are located the guide bar of screw rod level one side and overlap simultaneously and establish the screw rod with slider on the guide bar, the slider with threaded connection between the screw rod, the slider with sliding connection between the guide bar, one of them the riser is kept away from the one side of guide bar installs the motor, the output shaft of motor with the one end rigid coupling of screw rod, the upper surface of slider is vertical is provided with the cylinder, the cylinder body of cylinder with the last fixed surface of slider is connected, the tip rigid coupling of the piston rod of cylinder has the edge the scraper blade that cuboid pond width direction extends.

Through the technical scheme, in operation, adjust the degree of depth that the scraper blade stretched into in the cuboid pond through the cylinder, the adjustment finishes the back, starter motor, it drives the screw rod and rotates to make it, at this moment, the slider drives cylinder and scraper blade towards one side motion of bin outlet under screw thread drive's principle, thereby dial the plastics piece and send to in the second screw conveyer, the completion is dialled and is sent the back, it rises to the surface of water top to drive the scraper blade through the cylinder, at this moment, through the motor reversal, make the scraper blade resume initial position, then repeat above-mentioned operation, realize the circulation and dial the material.

The utility model discloses further set up to: the scraper blade is provided with a plurality of water permeable holes.

Through above-mentioned technical scheme, the setting in hole of permeating water for reduce the resistance of scraper blade action in-process.

The utility model discloses further set up to: the drying system comprises a second plastic dehydrator connected with the second spiral conveyer, a dryer connected with the second plastic dehydrator, and a third spiral conveyer connected between the dryer and the sorting system.

Through above-mentioned technical scheme, when the plastics piece got into the second plastics hydroextractor, it carries out dehydration to the plastics piece to reduce the moisture on plastics piece surface, after the dehydration is accomplished, the desiccator carries out drying process to the plastics piece, so that carry out next process.

The utility model discloses further set up to: the sorting system comprises a winnowing machine connected with the third screw conveyor, a rubber separator connected with a discharge port of the winnowing machine, and a discharge auger connected with a discharge port of the rubber separator.

Through above-mentioned technical scheme, when the plastic chip got into the air separator, the sorter passed through the aerodynamic principle, sorted the plastic chip of different masses to classify, get into the rubber separator in sorting the completion back, be used for separating the rubber of adulteration in the plastic chip, after the separation was accomplished, carry and go out through ejection of compact auger.

The utility model discloses further set up to: still including setting up the screening platform of conveyer belt feed end, the screening platform is the conveyer.

Through the technical scheme, the working personnel can pick out the foreign matters such as metal buried in the waste plastic in the process of conveying the waste plastic conveniently so as to carry out crushing treatment.

To sum up, the utility model discloses a beneficial technological effect does:

1. the waste plastic is crushed by the crushing system to form plastic fragments which are convenient to transport, the plastic fragments are cleaned by the cleaning system after being crushed to remove oil stains attached to the plastic fragments, impurities in the plastic fragments are cleaned for the second time by water separation after being cleaned, and then the plastic fragments are dried to enter a final separation system for separation, and the waste plastic is subjected to multistage treatment and classification by the line production of the whole assembly line, so that the waste plastic is convenient to recycle and utilize, and the pollution of the waste plastic to the environment is reduced;

2. the liquid level sensor, the electromagnetic valve and the material stirring device are arranged to form a circulating system for water supply and material stirring, the material stirring device is used for stirring and conveying the plastic fragments to the next process, and the liquid level sensor and the electromagnetic valve are controlled by the PLC and used for monitoring the water level in the cuboid water pool and supplying water to the cuboid water pool as required;

3. the setting of screening platform makes things convenient for the staff at the in-process of carrying waste plastic, picks out the foreign matter such as metal that will bury in waste plastic to carry out crushing treatment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view showing a separation water tank and a kick-out device;

FIG. 3 is a schematic diagram showing the positional relationship between the liquid level sensor and the discharge opening.

In the figure, 1, a screening platform; 2. a crushing system; 21. a plastic crusher; 22. a conveyor belt; 23. a first screw conveyor; 3. cleaning the system; 31. a plastic grinding and washing machine; 32. a first plastic dehydrator; 4. a water separation system; 41. a separation water tank; 411. a rectangular water pool; 412. a water delivery pipe; 413. an electromagnetic valve; 414. a discharge outlet; 415. a liquid level sensor; 416. a baffle; 42. a second screw conveyor; 43. a material poking device; 431. a vertical plate; 432. a screw; 433. a guide bar; 434. a slider; 435. a motor; 436. a cylinder; 437. a squeegee; 438. water permeable holes; 5. a drying system; 51. a second plastic dehydrator; 52. a dryer; 53. a third screw conveyor; 6. a sorting system; 61. a winnowing machine; 62. a rubber separator; 63. and a discharging auger.

Detailed Description

Referring to fig. 1, for the utility model discloses a waste plastic recovery processing assembly line, including screening platform 1, broken system 2, cleaning system 3, water selection system 4, drying system 5 and the sorting system 6 that connects gradually, wherein, screening platform 1 is the conveyer, and waste plastic is carried to broken system 2 in through screening platform 1, and the in-process of carrying, the staff is chosen foreign matter such as metal to carry out crushing processing.

The crushing system 2 comprises a plastic crusher 21, a conveyor belt 22 arranged on one side of the plastic crusher 21 and used for conveying waste plastics, and a first screw conveyor 23 arranged at the discharge port of the plastic crusher 21, wherein the output end of the first screw conveyor 23 is connected with the cleaning system 3, the output end of the screening platform 1 is connected with the feed end of the conveyor belt 22, the plastic crusher 21 can be an 800-type crusher (manufactured by Changzhou Hao Shuxiu plastication Co., Ltd.), the waste plastics are screened and then conveyed into the plastic crusher 21 through the conveyor belt 22 to be crushed, plastic fragments with the diameter of 1.8cm-2.5cm are formed, and after the crushing is completed, the plastic fragments are conveyed to the cleaning system 3 through the first screw conveyor 23 to be cleaned.

Referring to fig. 1, the cleaning system 3 includes a plastic mill 31 (manufactured by silver mechanical limited han, guan, dongguan) connected to an output end of the first screw conveyor 23, and a first plastic dehydrator 32 (manufactured by mechanical practical limited randian, guan, dongguan) connected between a discharge port of the plastic mill 31 and the water separation system 4, and when the plastic chips are conveyed to the plastic mill 31, the plastic mill 31 mills the plastic chips to remove stains on the plastic chips to meet a next machine requirement, and after the cleaning is completed, the plastic chips are dehydrated at the first plastic dehydrator 32 to be transported.

Referring to fig. 2, the water separation system 4 includes a separation water tank 41 disposed at the discharge port of the first plastic dehydrator 32 (see fig. 1), a second screw conveyor 42 connected between the separation water tank 41 and the drying system 5, and a material stirring device 43 disposed above the separation water tank 41, the plastic fragments after dehydration fall into the separation water tank 41, and because the plastic fragments have light weight, the plastic fragments float on the water surface, and the articles with heavy weight sink to the water bottom, the separation water tank 41 is disposed to separate the fragments or impurities of different materials, thereby achieving the water separation effect; and the material stirring device 43 is arranged for stirring and conveying the plastic fragments from the separation water tank 41 to the drying system 5, and plays a role in conveying.

Referring to fig. 2 and 3, the separation water tank 41 includes a rectangular water tank 411 which is hollow inside and has an open top end, and is communicated with a water source through a water pipe 412, an electromagnetic valve 413 connected with the PLC is installed on the water pipe 412, a discharge port 414 is opened on one side of the rectangular water tank 411 away from the first plastic dehydrator 32, a guide plate 416 inclined downward is fixedly connected to a side wall of the rectangular water tank 411 below the discharge port 414, the material shifting device 43 can shift plastic fragments into the second screw conveyor 42 through the discharge port 414, a liquid level sensor 415 is installed on a side wall of the rectangular water tank 411 and located at a lower liquid level than the discharge port 414, and is also connected with the PLC, and during the material shifting process of the material shifting device 43, part of water can be shifted into the screw conveyor along with the plastic fragments to cause the liquid level to drop, when the liquid level is lower than the liquid level sensor 415, the liquid level sensor sends a signal, make its control solenoid valve 413 open to towards cuboid pond 411 interior water injection, when the liquid level was higher than level sensor 415, solenoid valve 413 was closed for guarantee the liquid level in cuboid pond 411, so that group material device 43 can normally work.

The material poking device 43 comprises vertical plates 431 which are respectively fixedly connected with two ends of the separation water tank 41 along the length thereof and vertically extend upwards, a screw 432 which is rotatably connected between the two vertical plates 431, a guide rod 433 which is fixedly connected between the two vertical plates 431 and is positioned at one horizontal side of the screw 432, and a slide block 434 which is simultaneously sleeved on the screw 432 and the guide rod 433, wherein the slide block 434 is in threaded connection with the screw 432, the slide block 434 is in sliding connection with the guide rod 433, a motor 435 is installed at one side of one of the vertical plates 431 far away from the guide rod 433, an output shaft of the motor 435 is fixedly connected with one end of the screw 432, an air cylinder 436 is vertically arranged on the upper surface of the slide block 434, a cylinder body of the air cylinder 436 is fixedly connected with the upper surface of the slide block 434, a piston rod of the air cylinder 436 penetrates through the slide block 434 to the lower part thereof, a scraping plate 437, the squeegee 437 is typically positioned on the side adjacent the first plastic extractor 32.

Referring to fig. 2, in operation, the depth of the scraper 437 extending into the rectangular water pool 411 is adjusted by the air cylinder 436, after the adjustment is completed, the motor 435 is started to drive the screw 432 to rotate, at this time, the slider 434 drives the air cylinder 436 and the scraper 437 to move towards one side of the discharge port 414 under the principle of screw transmission, so that the plastic fragments are conveyed into the second spiral conveyor 42 along the guide plate 416, after the conveyance is completed, the scraper 437 is driven by the air cylinder 436 to rise above the water surface, at this time, the scraper 437 is returned to the initial position by the reverse rotation of the motor 435, and then the above operations are repeated, so that the circular material conveyance is realized.

In order to reduce the resistance of the scraper 437 in the action process, a plurality of water permeable holes 438 are formed in the scraper 437.

Referring to fig. 1, the drying system 5 includes a second plastic dehydrator 51 connected to the second screw conveyor 42, a dryer 52 connected to the second plastic dehydrator 51, and a third screw conveyor 53 connected between the dryer 52 and the sorting system 6, and when the plastic chips enter the second plastic dehydrator 51, the plastic chips are dehydrated to reduce moisture on the surfaces of the plastic chips, and after dehydration is completed, the plastic chips are dried by the dryer 52 and then conveyed to the sorting system 6 by the third screw conveyor 53.

The sorting system 6 comprises a winnowing machine 61 connected with the third screw conveyor 53, a rubber separator 62 connected with a discharge port of the winnowing machine 61, and a discharge auger 63 connected with a discharge port of the rubber separator 62, when plastic chips enter the winnowing machine 61, the sorting machine sorts the plastic chips with different qualities by an aerodynamic principle, the sorting precision can reach 93% -95%, the plastic chips enter the rubber separator 62 after sorting is completed and are used for separating the rubber doped in the plastic chips, and after separation is completed, the plastic chips are conveyed out by the discharge auger 63.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A waste plastic recovery processing assembly line which is characterized in that: the device comprises a crushing system (2), a cleaning system (3) connected with the crushing system (2), a water separation system (4) connected with the cleaning system (3), a drying system (5) connected with the water separation system (4), and a sorting system (6) connected with the drying system (5).

2. The waste plastic recycling line as claimed in claim 1, wherein: the crushing system (2) comprises a plastic crusher (21), a conveyor belt (22) arranged on one side of the plastic crusher (21) and used for conveying waste plastics, and a first spiral conveyor (23) arranged at a discharge port of the plastic crusher (21), wherein an output end of the first spiral conveyor (23) is connected with the cleaning system (3).

3. The waste plastic recycling line as claimed in claim 2, characterized in that: cleaning system (3) including with plastics abrasive cleaning machine (31) that the output of first screw conveyer (23) is connected, and connect plastics abrasive cleaning machine (31) discharge gate with first plastics hydroextractor (32) between water selection system (4).

4. The waste plastic recycling line as claimed in claim 3, characterized in that: the water separation system (4) comprises a separation water tank (41) arranged at a discharge port of the first plastic dehydrator (32), a second spiral conveyor (42) connected between the separation water tank (41) and the drying system (5), and a material stirring device (43) arranged above the separation water tank (41) and used for stirring and conveying waste plastics into the drying system (5) from the separation water tank (41).

5. The waste plastic recycling line as claimed in claim 4, wherein: separation basin (41) include inside cavity and top be open cuboid pond (411), set up cuboid pond (411) are kept away from bin outlet (414) of first plastics hydroextractor (32) one side and install level sensor (415) that just is located bin outlet (414) low liquid level department in cuboid pond (411), cuboid pond (411) are through raceway (412) and water source intercommunication, install solenoid valve (413) of being connected with PLC on raceway (412).

6. The waste plastic recycling line as claimed in claim 5, wherein: the material stirring device (43) comprises vertical plates (431) which are respectively fixedly connected with two ends of the separation water tank (41) along the length of the separation water tank and vertically extend upwards, a screw (432) rotatably connected between the two vertical plates (431), a guide rod (433) which is fixedly connected between the two vertical plates (431) and is positioned on one horizontal side of the screw (432), and a sliding block (434) which is sleeved on the screw (432) and the guide rod (433), the sliding block (434) is in threaded connection with the screw (432), the sliding block (434) is in sliding connection with the guide rod (433), a motor (435) is installed on one side, away from the guide rod (433), of one vertical plate (431), an output shaft of the motor (435) is fixedly connected with one end of the screw (432), an air cylinder (436) is vertically arranged on the upper surface of the sliding block (434), and a cylinder body of the air cylinder (436) is fixedly connected with the upper surface of the sliding block (434), the end part of the piston rod of the cylinder (436) is fixedly connected with a scraper (437) extending along the width direction of the rectangular water pool (411).

7. The waste plastic recycling line as claimed in claim 6, characterized in that: the scraping plate (437) is provided with a plurality of water permeable holes (438).

8. The waste plastic recycling line as claimed in claim 4, wherein: the drying system (5) comprises a second plastic dehydrator (51) connected with the second screw conveyor (42), a dryer (52) connected with the second plastic dehydrator (51), and a third screw conveyor (53) connected between the dryer (52) and the sorting system (6).

9. The waste plastic recycling line as claimed in claim 8, wherein: the sorting system (6) comprises a winnowing machine (61) connected with the third screw conveyor (53), a rubber separator (62) connected with a discharge port of the winnowing machine (61), and a discharge auger (63) connected with a discharge port of the rubber separator (62).

10. The waste plastic recycling line as claimed in claim 2, characterized in that: still including setting up screening platform (1) of conveyer belt (22) feed end, screening platform (1) is the conveyer.