Environment-friendly plastic recovery processing equipment

By designing automated deflector and screw conveyor assemblies, the system utilizes density differences to automate the sorting of PET and non-PET plastics, solving the problems of low efficiency and high pollution in existing technologies, and achieving efficient and environmentally friendly plastic recycling.

CN223849715UActive Publication Date: 2026-01-30河南九昱塑胶科技有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520475937.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-01-30
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing plastic recycling equipment is inefficient, polluting, and energy-intensive in separating PET and non-PET plastics. Traditional sorting methods rely on manual labor or chemical flotation, which are labor-intensive, costly, polluting, and energy-intensive.

Method used

By designing an environmentally friendly plastic recycling and processing equipment, this equipment utilizes the density differences of plastics and employs automated deflector and screw conveyor components to separate PET and non-PET plastics, using clean water for separation and automated processing.

Benefits of technology

It enables rapid and accurate sorting of PET and non-PET plastics, improves recycling efficiency, reduces labor intensity and pollution risk, and features a simple structure, easy operation, and compliance with environmental protection requirements.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223849715U_ABST
    Figure CN223849715U_ABST
Patent Text Reader

Abstract

The environment-friendly plastic recycling treatment equipment comprises a supporting frame, a sorting hopper containing clear water is installed on the supporting frame, an inclined guide plate and a settling opening are formed in the bottom of the sorting hopper, and the settling opening is located in one side of the bottom end of the inclined guide plate; a plurality of shifting plate assemblies are arranged at the top of the sorting hopper in the length direction of the sorting hopper, a first discharging hopper is arranged on one side of the top of the sorting hopper, a first driving assembly is installed on the supporting frame, the shifting plate assemblies are driven by the first driving assembly to rotate, and plastic parts floating on clear water are shifted to the first discharging hopper; an inclined spiral conveying assembly is installed at the settling opening, one side of the top of the spiral conveying assembly communicates with a second discharging hopper, and the spiral conveying assembly can convey the plastic parts settled at the bottom of the sorting hopper to the second discharging hopper from the settling opening. The device is compact in structure, suitable for industrial plastic recovery production lines, and capable of remarkably improving the resource utilization rate and reducing environmental pollution.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of plastic recycling, in particular to an environment-friendly plastic recycling treatment equipment. BACKGROUND

[0002] With the increasingly serious problem of plastic pollution, plastic recycling and reuse has become an important issue in the field of environmental protection. The separation of PET (polyethylene terephthalate) and non-PET plastics (such as PE, PP, etc.) is a key link in the recycling process. In the prior art, the traditional sorting method mainly relies on manual identification or chemical flotation, which has the following defects: 1. Low efficiency: manual sorting is labor-intensive and costly; 2. Pollution risk: chemical flotation requires the use of a large amount of chemicals, which can easily cause secondary pollution; 3. High energy consumption: some mechanical sorting equipment relies on complex transmission structures, resulting in significant energy consumption.

[0003] Therefore, there is an urgent need for an environment-friendly plastic recycling treatment equipment that is environmentally friendly, efficient and low in energy consumption to meet the needs of industrial recycling. CONTENT OF THE UTILITY MODEL

[0004] The utility model mainly aims at the problems of low efficiency and high pollution in the classification process of the existing plastic recycling equipment, and provides an environment-friendly plastic recycling treatment equipment, which realizes the automatic sorting of PET and non-PET plastics through density difference.

[0005] The purpose of the utility model is mainly realized through the following scheme:

[0006] The environment-friendly plastic recycling treatment equipment comprises a supporting frame, a sorting hopper containing clean water is installed on the supporting frame, an inclined guide plate and a settling port are arranged at the bottom of the sorting hopper, and the settling port is located at the bottom end of the inclined guide plate; a plurality of paddle assemblies are arranged on the top of the sorting hopper along the length direction of the sorting hopper, a first discharge hopper is arranged on one side of the top of the sorting hopper, a first driving assembly is installed on the supporting frame, the paddle assemblies are driven to rotate by the first driving assembly, and plastic parts floating on the clean water are pushed to the first discharge hopper; a spiral conveying assembly is arranged at the settling port in an inclined manner, a second discharge hopper is connected to one side of the top of the spiral conveying assembly, and the spiral conveying assembly can convey the plastic parts settled at the bottom of the sorting hopper from the settling port to the second discharge hopper.

[0007] Preferably, the paddle assembly comprises a rotating roller arranged in the longitudinal direction, both ends of the rotating roller are rotatably connected to the sorting hopper through bearings, a plurality of arc-shaped plates are arranged on the side wall of the rotating roller along the length direction of the rotating roller, and a plurality of through holes are uniformly arranged on the arc-shaped plates.

[0008] As preferred, two arc-shaped plates are arranged on each rotating roller, and the two arc-shaped plates are in "S" shape structure, and the back of the arc-shaped plate undulates the water surface in the process that the rotating roller is driven to rotate by the first driving assembly.

[0009] As preferred, the top edge of the first discharge hopper is lower than the top edge of the sorting hopper.

[0010] As preferred, the screw conveying assembly comprises a conveying cylinder, a screw auger and a second driving assembly, two ends of the screw auger are rotationally connected in the conveying cylinder, and the screw auger is driven to rotate by the second driving assembly.

[0011] As preferred, the lower upper wall of the conveying cylinder is provided with a feeding port communicated with the settling port, and the second discharge hopper is connected to the lower lower wall of the upper part of the conveying cylinder.

[0012] As preferred, the lower lower wall of the conveying cylinder is provided with a water filtering hole, and a water outlet is mounted on the side wall of the conveying cylinder and covers the water filtering hole, and a valve is mounted on one side of the water outlet.

[0013] In summary, compared with the prior art, the utility model has the following beneficial technical effects:

[0014] (1) The utility model discloses a plastic sorting device, which utilizes the buoyancy difference of plastics to realize the rapid and accurate sorting of PET and non-PET plastics, thereby improving the recycling efficiency.

[0015] (2) The utility model discloses a plastic sorting device, which utilizes the buoyancy difference of plastics to realize the rapid and accurate sorting of PET and non-PET plastics, thereby improving the recycling efficiency.

[0016] (3) The utility model discloses a plastic sorting device, which utilizes the buoyancy difference of plastics to realize the rapid and accurate sorting of PET and non-PET plastics, thereby improving the recycling efficiency.

[0017] (4) The utility model discloses a plastic sorting device, which utilizes the buoyancy difference of plastics to realize the rapid and accurate sorting of PET and non-PET plastics, thereby improving the recycling efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is a front view of the utility model;

[0020] Figure 3 is a top view of the utility model;

[0021] Figure 4 is a structural schematic view of the first driving assembly and the push plate assembly in the utility model;

[0022] Figure 5 is a structural schematic view of the push plate assembly in the utility model;

[0023] Figure 6 is a structural schematic view of the internal structure of the spiral conveying assembly in the utility model.

[0024] Reference signs: 1 - support frame; 2 - sorting hopper; 3 - inclined guide plate; 4 - settling port; 5 - push plate assembly; 6 - first discharge hopper; 7 - first drive assembly; 8 - spiral conveying assembly; 9 - second discharge hopper; 10 - rotating roller; 11 - arc plate; 12 - through hole; 13 - material conveying cylinder; 14 - spiral auger; 15 - second drive assembly; 16 - feed inlet; 17 - water filtering hole; 18 - water discharge hopper; 19 - valve; 20 - first drive motor; 21 - first chain; 22 - second chain; 23 - third chain; 24 - first sprocket; 25 - second sprocket; 26 - third sprocket; 27 - fourth sprocket; 28 - fifth sprocket; 29 - sixth sprocket; 30 - second drive motor; 31 - fourth chain; 32 - seventh sprocket; 33 - eighth sprocket. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be further specifically explained below by means of specific embodiments and in combination with the drawings. It should be understood that the implementation of the utility model is not limited to the following embodiments, and any form of variation and / or change made to the utility model will fall within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] As shown in Figure 1 , 2 , 3, the utility model discloses a technical scheme, and an environment-friendly plastic recycling treatment equipment, which comprises a support frame 1, which is used as the main support structure of the equipment and can be fixed on the ground through bolts, a sorting hopper 2 containing clean water is detachably fixed and installed on the support frame 1 through bolts, an inclined guide plate 3 is welded to the bottom of the sorting hopper 2, and a settling port 4 is formed in the inclined guide plate 3, the settling port 4 is located at the bottom end of the inclined guide plate 3, plastic parts (PET plastic) are settled at the bottom, the spiral conveying assembly 8 is installed at the settling port 4 and is inclined, the top side of the spiral conveying assembly 8 is communicated with the second discharge hopper 9, and the spiral conveying assembly 8 can convey the plastic parts settled at the bottom of the sorting hopper 2 from the settling port 4 to the second discharge hopper 9.

[0028] The top of the sorting hopper 2 is provided with a plurality of paddle assemblies 5 along the length direction thereof, three paddle assemblies 5 are uniformly provided from left to right in the embodiment, and the right side of the top of the sorting hopper 2 is welded with a first discharge hopper 6; the first driving assembly 7 is installed on the support frame 1 and drives the paddle assemblies 5 to rotate, and the plastic pieces floating on the clean water are pushed to the first discharge hopper 6, so that the separation of the plastic pieces is realized through the density difference of the plastic pieces.

[0029] Embodiment 2:

[0030] As shown in Figure 4 , 5 Another technical scheme is disclosed in the utility model, and the difference between the plastic recycling equipment and the embodiment 1 is that the paddle assembly 5 comprises a rotating roller 10 arranged longitudinally, the front end and the rear end of the rotating roller 10 are rotationally connected to the sorting hopper 2 through bearings, and a plurality of arc-shaped plates 11 are welded on the side wall of the rotating roller 10 along the length direction thereof; a plurality of through holes 12 are uniformly formed in each arc-shaped plate 11, and the through holes 12 are arranged to reduce water flow disturbance during the pushing process and improve the separation accuracy.

[0031] Specifically, two arc-shaped plates 11 are welded on each rotating roller 10, and the two arc-shaped plates 11 have an “S” shape structure, so as to improve the separation efficiency of the floating objects; during the rotation of the rotating roller 10 driven by the first driving assembly 7, the arc-shaped plates 11 rotate counterclockwise, that is, the back surface of the arc-shaped plates 11 fluctuates the water surface.

[0032] Specifically, the top edge of the first discharge hopper 6 is lower than the top edge of the sorting hopper 2, so as to avoid water flow or floating plastic pieces from flowing to the outside of the sorting hopper 2.

[0033] The specific structure of the first driving assembly 7 is provided in the embodiment, which comprises a first driving motor 20, a first chain 21, a second chain 22, a third chain 23, a first sprocket 24, a second sprocket 25, a third sprocket 26, a fourth sprocket 27, a fifth sprocket 28 and a sixth sprocket 29; the first driving motor 20 is fixedly installed on the support frame 1 through bolts, the output end of the first driving motor 20 is fixedly sleeved with the first sprocket 24, the front end of the leftmost rotating roller 10 is fixedly sleeved with the second sprocket 25 and the third sprocket 26 through a bearing, the front end of the middle rotating roller 10 is fixedly sleeved with the fourth sprocket 27 and the fifth sprocket 28 through a bearing, the front end of the rightmost rotating roller 10 is fixedly sleeved with the sixth sprocket 29 through a bearing, the first sprocket 24 and the second sprocket 25 are connected through the first chain 21, the third sprocket 26 and the fourth sprocket 27 are connected through the second chain 22, and the fifth sprocket 28 and the sixth sprocket 29 are connected through the third chain 23; but the structure is not limited to the above structure, as long as the synchronous rotation of the rotating roller 10 can be realized.

[0034] Embodiment 3:

[0035] As Figure 6 shown, the utility model discloses another technical scheme, and the difference between the environment-friendly plastic recycling equipment and embodiment 1 is that the spiral conveying assembly 8 includes a feeding cylinder 13, a spiral auger 14 and a second driving assembly 15, both ends of the spiral auger 14 are rotatably connected in the feeding cylinder 13 through bearings, and the spiral auger 14 is driven to rotate through the second driving assembly 15.

[0036] Specifically, the lower upper side wall of the feeding cylinder 13 is provided with a feeding port 16 communicated with the sedimentation port 4, and the second discharge hopper 9 is connected to the lower upper side wall of the feeding cylinder 13 through bolts.

[0037] Specifically, the lower lower side wall of the feeding cylinder 13 is uniformly provided with water filtering holes 17, and the sidewall of the feeding cylinder 13 is provided with a water discharge hopper 18 covering the water filtering holes 17 through bolts, and one side of the water discharge hopper 18 is provided with a valve 19, and the valve 19 can adopt a manual valve.

[0038] The specific structure of the second driving assembly 15 is provided in the embodiment, which is composed of a second driving motor 30, a fourth chain 31, a seventh sprocket 32 and an eighth sprocket 33.

[0039] The first driving motor 20 and the second driving motor 30 in the application are both prior art, and the working principle and power supply mode thereof are both conventional settings in the field, which will not be described here.

[0040] The environment-friendly plastic recycling equipment provided by the utility model has the following working principle:

[0041] Cleaning and flotation: the plastic particles containing impurities are put into the sorting hopper 2, and the PET (density 1.38g / cm³) sinks under the water soaking, and the non-PET (density <1g / cm³) floats;

[0042] Floating material separation: the first driving assembly 7 drives the rotating roller 10 to rotate, the S-shaped arc plate 11 undulates the water surface, and the floating material is pushed to the first discharge hopper 6, and a collecting box should be arranged below the first discharge hopper 6.

[0043] Sediment delivery: spiral auger 14 transports PET particles from the sediment port 4 to the second discharge hopper 9, which should be provided with a collection box below, and the water filter hole 17 discharges moisture to the water outlet 18 for subsequent recycling.

[0044] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made in accordance with the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. An environmentally friendly plastic recycling device, comprising a support frame (1), characterized in that: The support frame (1) is provided with a sorting hopper (2) containing clean water, the bottom of the sorting hopper (2) is provided with an inclined guide plate (3) and a settling port (4), the settling port (4) is located at the bottom end side of the inclined guide plate (3); the top of the sorting hopper (2) is provided with a plurality of paddle assemblies (5) along the length direction thereof, and the top side of the sorting hopper (2) is provided with a first discharge hopper (6), the support frame (1) is provided with a first driving assembly (7), the paddle assembly (5) is driven to rotate by the first driving assembly (7), and the plastic parts floating on the clean water are pushed to the first discharge hopper (6); the inclined spiral conveying assembly (8) is installed at the settling port (4), and the top side of the spiral conveying assembly (8) is communicated with a second discharge hopper (9), the spiral conveying assembly (8) can convey the plastic parts settled at the bottom of the sorting hopper (2) from the settling port (4) to the second discharge hopper (9).

2. The environment-friendly plastic recycling treatment equipment according to claim 1, characterized in that: The paddle assembly (5) comprises a rotating roller (10) arranged longitudinally, both ends of the rotating roller (10) are rotatably connected to the sorting hopper (2) through bearings, and a plurality of arc-shaped plates (11) are arranged on the side wall of the rotating roller (10) along the length direction thereof, and a plurality of through holes (12) are uniformly formed in the arc-shaped plates (11).

3. The environment-friendly plastic recycling treatment equipment according to claim 2, characterized in that: Two arc-shaped plates (11) are arranged on each rotating roller (10), and the two arc-shaped plates (11) are in "S" shape structure, in the process of rotating the rotating roller (10) driven by the first driving assembly (7), the back surface of the arc-shaped plate (11) undulates the water surface.

4. The environmentally friendly plastic recycling treatment device according to claim 3, characterized in that: The top edge of the first discharge hopper (6) is lower than the top edge of the sorting hopper (2).

5. The environmentally friendly plastic recycling treatment apparatus according to claim 1, characterized in that: The spiral conveying assembly (8) comprises a conveying cylinder (13), a spiral auger (14) and a second driving assembly (15), both ends of the spiral auger (14) are rotatably connected in the conveying cylinder (13), and the spiral auger (14) is driven to rotate by the second driving assembly (15).

6. The environmentally friendly plastic recycling treatment device according to claim 5, characterized in that: The lower side wall of the lower part of the conveying cylinder (13) is provided with a feed port (16) communicated with the settling port (4), and the second discharge hopper (9) is connected to the lower side wall of the upper part of the conveying cylinder (13).

7. The environmentally friendly plastic recycling treatment apparatus according to claim 6, characterized in that: The lower side wall of the lower part of the conveying cylinder (13) is provided with a water filtering hole (17), and the side wall of the conveying cylinder (13) is provided with a water outlet (18) covering the water filtering hole (17), and a valve (19) is arranged on one side of the water outlet (18).