Thermal cleaning device for plastic recovery

By introducing a cleaning and drying mechanism into the plastic recycling unit, using a water pump to deliver hot water and a fan to deliver hot air, combined with motor-driven stirring and spray rotation, the problem of inconvenient drying after plastic recycling is solved, achieving rapid cleaning and drying and improving cleaning efficiency.

CN223519987UActive Publication Date: 2025-11-07DONGGUAN YUJIE IND INVESTMENT CO LTD
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Patent Information

Application Number
CN202423170391.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-11-07
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing plastic recycling equipment does not allow for quick drying after cleaning, which affects cleaning efficiency.

Method used

A plastic recycling device including a washing and drying mechanism was designed. Hot water is delivered by a water pump for washing, hot air is delivered by a fan for drying, and the washing and drying efficiency is improved by driving the stirring rod and the spray pipe to rotate by a motor.

Benefits of technology

It enables rapid cleaning and drying of waste plastics, improves cleaning efficiency, enhances practicality, and facilitates widespread use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223519987U_ABST
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Abstract

The utility model relates to a thermal cleaning device for plastic recovery, and belongs to the technical field of thermal cleaning devices for plastic recovery. Comprising a cleaning bin, a cleaning basket installed in the cleaning bin, air cylinders fixed to the left side and the right side of the cleaning bin, a cover plate fixed to the top faces of the two air cylinders and a cleaning and drying mechanism arranged on the cleaning bin. The cleaning and drying mechanism comprises a plurality of supporting rods fixed to the bottom face of the cleaning bin, a plurality of water tanks fixed to the lower ends of the supporting rods, a plurality of heating pipes fixed to the inner bottom walls of the water tanks, a water pump fixed to the top faces of the water tanks, a fan fixed to the top faces of the water tanks and a center pipe rotationally connected to the bottom face of the cleaning bin. And the connecting bin is rotationally connected to the bottom end of the central pipe. According to the thermal cleaning device for plastic recovery, hot air is conveyed into the cleaning bin through the fan by utilizing heat generated by the water tank, then waste plastic is rapidly dried, and the cleaning efficiency of the waste plastic is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a hot cleaning device for plastic recycling, in particular to a hot cleaning device for plastic recycling. BACKGROUND

[0002] Plastics are high molecular compounds polymerized by polyaddition or polycondensation reaction with monomers as raw materials. The waste plastics need to be cleaned first to ensure that impurities and oil stains on the plastics do not affect the recycling of the plastics during recycling. Therefore, a cleaning device needs to be used during plastic recycling.

[0003] For example, a waste plastic recycling and cleaning device is disclosed in Chinese Patent (Publication No. CN217665073U), which comprises a cleaning main body, a device frame fixedly connected to the upper end left part and the upper end right part of the cleaning main body, an extender fixedly connected to the upper end middle part of the device frame, a cleaning structure fixedly connected to the output end of the extender, a cleaning groove opened in the upper end middle part of the cleaning main body, a heating structure fixedly connected to the front end lower part of the cleaning main body, and a switch fixedly connected to the front end right part of the cleaning main body. By setting the cleaning structure and the heating structure, manual closing of the cleaning device is no longer needed, the efficiency of plastic stirring and cleaning in the cleaning device is higher, dead angles are prevented from being left, the cleaning efficiency of the cleaning device for plastics is improved, the rapid cleaning of oil stains on the plastics is facilitated, the cleaning device for plastics can realize heating performance, and the cleaning of oil stains on the plastics is ensured to be more thorough and cleaner.

[0004] However, the above-mentioned search patent still has some shortcomings. It is not convenient to quickly dry the waste plastics after cleaning, and it is not convenient to use. Therefore, a hot cleaning device for plastic recycling is proposed to solve the above-mentioned problems. Content of the utility model

[0005] In view of the deficiencies of the prior art, the application provides a hot cleaning device for plastic recycling, which has the advantages of facilitating quick drying of waste plastics, improving cleaning efficiency, and solving the problem that the device disclosed in the above-mentioned search patent is not convenient for quick drying of waste plastics.

[0006] To achieve the above-mentioned purpose, the application provides the following technical solution: a hot cleaning device for plastic recycling, comprising a cleaning bin, a cleaning basket installed inside the cleaning bin, air cylinders fixed on the left and right sides of the cleaning bin, a cover plate fixed on the top surfaces of the two air cylinders, and a cleaning and drying mechanism arranged on the cleaning bin.

[0007] The cleaning and drying mechanism comprises a plurality of support rods fixed on the bottom surface of the cleaning bin, a plurality of water tanks fixed on the bottom ends of the support rods, a plurality of heating pipes fixed on the inner bottom walls of the water tanks, a water pump fixed on the top surface of the water tank, a fan fixed on the top surface of the water tank, a central pipe rotatably connected to the bottom surface of the cleaning bin, a connecting bin rotatably connected to the bottom end of the central pipe, a water delivery pipe fixed on the water outlet end of the water pump and having one end fixed with the connecting bin, an air delivery pipe fixed on the air outlet end of the fan and having one end fixed with the connecting bin, and an air inlet pipe fixed on the air inlet end of the fan and having the other end penetrating through the water tank.

[0008] The above technical scheme is adopted, in use, the recycled waste plastics are poured into the cleaning basket, the hot water in the water tank is delivered to the cleaning bin by the water pump of the cleaning and drying mechanism to clean, after cleaning, the sewage in the cleaning bin is discharged, then the hot air generated by the water tank is delivered to the cleaning bin by the fan to quickly dry the waste plastics, the cleaning efficiency of the waste plastics is improved, the practicability is better, and the use is more convenient.

[0009] Further, the cleaning and drying mechanism further comprises a motor fixed on the top surface of the cover plate, a stirring shaft fixed on the bottom end of the output shaft of the motor, a plurality of stirring rods fixed on the outer peripheral wall of the stirring shaft, two shunt pipes fixed on the outer peripheral wall of the central pipe, and a jet pipe fixed on the top surface of the shunt pipe, a plurality of jet holes are formed in the outer peripheral wall of the jet pipe, and a slot is formed in the top surface of the central pipe for inserting the stirring shaft.

[0010] The above technical scheme is adopted, in use, the recycled waste plastics are poured into the cleaning basket, the hot water in the water tank is delivered to the cleaning bin by the water pump of the cleaning and drying mechanism to clean, after cleaning, the sewage in the cleaning bin is discharged, then the hot air generated by the water tank is delivered to the cleaning bin by the fan to quickly dry the waste plastics, the cleaning efficiency of the waste plastics is improved, the practicability is better, and the use is more convenient.

[0011] Further, the cleaning bin is a circular bin with an open top surface, the cleaning basket is a mesh basket with an open top surface, a glass observation window is mounted on the front surface of the cleaning bin, and a sewage discharge pipe is fixed on the right side of the cleaning bin and has a sewage discharge valve fixed on the outer peripheral wall thereof.

[0012] The above technical scheme is adopted, the glass observation window is arranged to facilitate observation of the cleaning condition in the cleaning bin, and the sewage discharge pipe cooperates with the sewage discharge valve to facilitate discharge of the sewage in the cleaning bin after cleaning.

[0013] Further, an annular plate is fixed on the outer peripheral wall of the cleaning basket, the outer diameter of the annular plate is greater than the inner diameter of the cleaning bin, the cleaning basket and the cleaning bin are located on the same central axis, and a water filling pipe is fixed on the top surface of the water tank.

[0014] The water adding pipe is arranged to facilitate water adding in time when the water in the water tank is insufficient, and the annular plate is arranged to facilitate the cleaning basket to be arranged in the cleaning chamber for cleaning.

[0015] Further, the center pipe is a circular pipe with a closed top end and an open bottom end, the water pump is fixed with a water pumping pipe extending into the water tank, the air inlet pipe is an L-shaped copper pipe, and one end of the air inlet pipe away from the fan extends into the water tank and is fixed to the left side surface of the water tank.

[0016] The above technical scheme facilitates the hot water in the water tank to heat the air inlet pipe, so that the fan can suck hot air through the air inlet pipe to improve the drying efficiency of the plastic.

[0017] Further, the center pipe and the cleaning chamber are located on the same central axis, the top end of the center pipe extends into the cleaning chamber, and the control valves are fixed on the outer peripheral walls of the water feeding pipe and the air feeding pipe.

[0018] The above technical scheme facilitates the control valves to control the directions of water feeding and air feeding of the water pump and the fan.

[0019] Further, the bottom end of the stirring shaft is square, the insertion slot is a square slot and gap-fitted with the stirring shaft, and the inner bottom wall of the cleaning basket is provided with a movable hole for the stirring shaft to penetrate.

[0020] The above technical scheme facilitates the transmission through the cooperation of the stirring shaft and the insertion slot, and further drives the center pipe to rotate.

[0021] Further, the injection pipe and the shunt pipe are L-shapedly connected, the shunt pipe is arranged in the cleaning chamber, and the injection pipe is arranged outside the cleaning basket.

[0022] The above technical scheme facilitates the injection pipe to rotate around the outside of the cleaning basket to improve the cleaning and drying efficiency.

[0023] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0024] 1. The hot cleaning device for plastic recycling, when in use, the recycled waste plastics are poured into the cleaning basket, the water pump of the cleaning and drying mechanism sends the hot water in the water tank to the cleaning chamber for cleaning, the sewage in the cleaning chamber is discharged after cleaning, and then the fan sends hot air to the cleaning chamber by using the heat generated by the water tank, thereby quickly drying the waste plastics, improving the cleaning efficiency of the waste plastics, and being more practical and convenient to use and promote.

[0025] 2、The plastic recycling hot cleaning device, when cleaning and drying the plastic, the motor can drive the stirring rod to rotate and stir the plastic, improving the cleaning efficiency, and the motor can also drive the center pipe to rotate, so that the spray pipe rotates when water and air are sent, improving the drying efficiency and being more practical. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a front view schematic diagram of the present application;

[0027] Figure 2 It is a front view schematic diagram of the cleaning basket of the present application;

[0028] Figure 3 It is a front view schematic diagram of the water tank of the present application;

[0029] Figure 4 It is a three-dimensional schematic diagram of the center pipe of the present application.

[0030] In the figure: 1, cleaning bin; 2, cleaning basket; 3, air cylinder; 4, cover plate; 501, support rod; 502, water tank; 503, heating pipe; 504, water pump; 505, fan; 506, center pipe; 507, connecting bin; 508, water feeding pipe; 509, air feeding pipe; 510, motor; 511, stirring shaft; 512, stirring rod; 513, shunt pipe; 514, spray pipe; 515, spray hole; 516, insertion slot; 517, air inlet pipe. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Please refer to Figures 1 to 2 The plastic recycling hot cleaning device in the embodiment includes a cleaning bin 1, a cleaning basket 2 installed inside the cleaning bin 1, air cylinders 3 fixed on the left and right sides of the cleaning bin 1, a cover plate 4 fixed on the top surfaces of the two air cylinders 3, and a cleaning and drying mechanism arranged on the cleaning bin 1. In use, the air cylinders 3 are controlled to lift the cover plate 4, then waste plastics are poured into the cleaning basket 2, the cleaning and drying mechanism is used to clean the plastics, then the sewage is discharged, and the cleaning and drying mechanism is used to quickly dry the waste plastics, improving the cleaning efficiency of the waste plastics, being more practical, and being more convenient to use and promote.

[0033] It should be noted that the control mode of the present application is controlled by a controller, and the control circuit of the controller can be realized by simple programming of those skilled in the art, and the power supply also belongs to the common knowledge in the art, and the present application mainly protects the mechanical device, so the control mode and circuit connection will not be explained in detail.

[0034] The cleaning bin 1 is a circular bin with an open top, and the cleaning basket 2 is a mesh basket with an open top. The front of the cleaning bin 1 is provided with a glass observation window, which facilitates observation of the cleaning condition inside the cleaning bin 1. A sewage pipe is fixed to the right side of the cleaning bin 1, and a sewage valve is fixed to the outer peripheral wall of the sewage pipe. The sewage pipe and the sewage valve facilitate the discharge of sewage inside the cleaning bin 1 after cleaning.

[0035] Please refer to Figures 1 to 3 The cleaning and drying mechanism includes a plurality of support rods 501 fixed to the bottom surface of the cleaning bin 1, a plurality of water tanks 502 fixed to the bottom ends of the support rods 501, a plurality of heating pipes 503 fixed to the inner bottom walls of the water tanks 502, a water pump 504 fixed to the top surface of the water tank 502, a fan 505 fixed to the top surface of the water tank 502, a central pipe 506 rotatably connected to the bottom surface of the cleaning bin 1, a connecting bin 507 rotatably connected to the bottom end of the central pipe 506, a water delivery pipe 508 fixed to the water outlet end of the water pump 504 and having one end fixed to the connecting bin 507, an air delivery pipe 509 fixed to the air outlet end of the fan 505 and having one end fixed to the connecting bin 507, and an air inlet pipe 517 fixed to the air inlet end of the fan 505 and having the other end penetrating through the water tank 502. The heating pipes 503 heat the water inside the water tanks 502. After heating to an appropriate temperature, the water pump 504 is controlled to pump out the hot water and deliver it to the connecting bin 507 through the water delivery pipe 508, and then the hot water enters the cleaning bin 1 through the central pipe 506 for cleaning the plastic. After cleaning, the sewage is discharged, and the fan 505 is started. The fan 505 sucks air through the air inlet pipe 517. Since the air inlet pipe 517 penetrates through the water tank 502, the hot water inside the water tank 502 heats the air inside the air inlet pipe 517. Further, the fan 505 delivers the hot air to the connecting bin 507 through the air delivery pipe 509, and then to the inside of the cleaning bin 1 through the central pipe 506 for drying the plastic.

[0036] In the embodiment, the outer peripheral wall of the cleaning basket 2 is fixed with an annular plate, and the outer diameter of the annular plate is greater than the inner diameter of the cleaning bin 1. The cleaning basket 2 and the cleaning bin 1 are located on the same central axis. The top surface of the water tank 502 is fixed with a water adding pipe. The central pipe 506 is a circular pipe with a closed top end and an open bottom end. The water inlet end of the water pump 504 is fixed with a water pumping pipe extending to the inside of the water tank 502. The air inlet pipe 517 is an L-shaped copper pipe. The end of the air inlet pipe 517 away from the fan 505 extends to the inside of the water tank 502 and is fixed to the left side surface thereof. The copper pipe has good heat conduction performance, facilitating heating of the air inlet pipe 517 by the hot water in the water tank 502, so that the fan 505 can suck hot air through the air inlet pipe 517 to improve the drying efficiency of the plastic. The central pipe 506 and the cleaning bin 1 are located on the same central axis. The top end of the central pipe 506 extends to the inside of the cleaning bin 1. Control valves are fixed on the outer peripheral walls of the water feeding pipe 508 and the air feeding pipe 509. The control valves facilitate control of the directions of water feeding and air feeding of the water pump 504 and the fan 505.

[0037] Please refer to Figures 2 to 4 In the embodiment, the cleaning and drying mechanism further includes a motor 510 fixed on the top surface of the cover plate 4, a stirring shaft 511 fixed on the bottom end of the output shaft of the motor 510, a plurality of stirring rods 512 fixed on the outer peripheral wall of the stirring shaft 511, two shunt pipes 513 fixed on the outer peripheral wall of the central pipe 506, and a spray pipe 514 fixed on the top surface of the shunt pipe 513. A plurality of spray holes 515 are formed in the outer peripheral wall of the spray pipe 514. A slot 516 is formed in the top surface of the central pipe 506 for insertion of the stirring shaft 511. When cleaning and drying, the motor 510 is started, the motor 510 drives the stirring shaft 511 to rotate, the stirring shaft 511 drives the plurality of stirring rods 512 to rotate, the plastic in the cleaning basket 2 is stirred, and the cleaning efficiency is improved. When the central pipe 506 feeds water and air, the water is delivered to the two spray pipes 514 on the left and right sides through the shunt pipe 513 and is sprayed out through the spray holes 515. When the stirring shaft 511 rotates, the central pipe 506 also rotates, the spray pipe 514 rotates around the outer peripheral wall of the cleaning basket 2, and the cleaning and drying efficiency is improved.

[0038] In the embodiment, the bottom end of the stirring shaft 511 is square, the slot 516 is a square slot and is in clearance fit with the stirring shaft 511, an active hole is formed in the inner bottom wall of the cleaning basket 2 for penetration of the stirring shaft 511, the spray pipe 514 and the shunt pipe 513 are L-shapedly connected, the shunt pipe 513 is arranged in the cleaning bin 1, and the spray pipe 514 is arranged outside the cleaning basket 2.

[0039] The working principle of the above embodiment is as follows:

[0040] (1) In use, the control cylinder 3 will lift the cover plate 4, then pour the waste plastic into the cleaning basket 2, control the heating pipe 503 to heat the water in the water tank 502, heat to the appropriate temperature, control the water pump 504 to pump out the hot water, and through the water pipe 508 to the connecting bin 507, then through the center pipe 506 into the cleaning bin 1 for cleaning plastic, after cleaning, discharge sewage, control the fan 505 to start, the fan 505 sucks air through the air inlet pipe 517, because the air inlet pipe 517 penetrates the water tank 502, so that the hot water in the water tank 502 will heat the air in the air inlet pipe 517, further, the fan 505 will send hot air through the air supply pipe 509 to the connecting bin 507, and then through the center pipe 506 to the inside of the cleaning bin 1 to dry the plastic;

[0041] (2) When cleaning and drying, start the motor 510, the motor 510 drives the stirring shaft 511 to rotate, the stirring shaft 511 drives the plurality of stirring rods 512 to rotate, which stirs the plastic in the cleaning basket 2 to improve the cleaning efficiency. When the center pipe 506 sends water and air, it will be sent to the two sides of the spray pipe 514 through the shunt pipe 513, and then sprayed through the spray hole 515. When the stirring shaft 511 rotates, it will also drive the center pipe 506 to rotate, so that the spray pipe 514 rotates around the outer peripheral wall of the cleaning basket 2, improving the cleaning and drying efficiency.

Claims

1. A hot wash apparatus for plastic recycling, characterized by: The utility model provides a kind of cleaning and drying mechanism of cleaning basket (2) and cleaning bin (1) in the cleaning basket (2) are installed in the cleaning bin (1) inside, the cleaning basket (2) is fixed in the cleaning bin (1) left and right two sides, the cleaning basket (2) is fixed in the cleaning bin (1) top, the cleaning basket (2) is fixed in the cleaning bin (1) bottom. The cleaning and drying mechanism includes a plurality of support rods (501) fixed to the bottom surface of the cleaning bin (1), a plurality of water tanks (502) fixed to the bottom end of the support rods (501), a plurality of heating pipes (503) fixed to the inner bottom wall of the water tanks (502), a water pump (504) fixed to the top surface of the water tanks (502), a fan (505) fixed to the top surface of the water tanks (502), a central pipe (506) rotatably connected to the bottom surface of the cleaning bin (1), a connecting bin (507) rotatably connected to the bottom end of the central pipe (506), a water delivery pipe (508) fixed to the water outlet end of the water pump (504) and one end fixed to the connecting bin (507), an air delivery pipe (509) fixed to the air outlet end of the fan (505) and one end fixed to the connecting bin (507), and an air inlet pipe (517) fixed to the air inlet end of the fan (505) and the other end penetrating the water tank (502).

2. A thermal cleaning device for recycling plastic according to claim 1, characterized in that: The cleaning and drying mechanism further includes a motor (510) fixed to the top surface of the cover plate (4), a stirring shaft (511) fixed to the bottom end of the output shaft of the motor (510), a plurality of stirring rods (512) fixed to the outer peripheral wall of the stirring shaft (511), two shunt pipes (513) fixed to the outer peripheral wall of the central pipe (506), and a spray pipe (514) fixed to the top surface of the shunt pipe (513). The outer peripheral wall of the spray pipe (514) is provided with a plurality of spray holes (515), and the top surface of the central pipe (506) is provided with a slot (516) for inserting the stirring shaft (511).

3. The plastic recycling hot washing apparatus of claim 1, wherein: The cleaning bin (1) is a circular bin with an open top, the cleaning basket (2) is a mesh basket with an open top, a glass observation window is installed on the front of the cleaning bin (1), and a sewage discharge pipe is fixed to the right side of the cleaning bin (1) and a sewage discharge valve is fixed to the outer peripheral wall of the sewage discharge pipe.

4. The plastic recycling hot washing apparatus of claim 1, wherein: An annular plate is fixed to the outer peripheral wall of the cleaning basket (2), and the outer diameter of the annular plate is greater than the inner diameter of the cleaning bin (1). The cleaning basket (2) and the cleaning bin (1) are located on the same central axis, and a water filling pipe is fixed to the top surface of the water tank (502).

5. The plastic recycling hot washing apparatus of claim 1, wherein: The central pipe (506) is a circular pipe with a closed top end and an open bottom end, the water inlet end of the water pump (504) is fixed with a water pumping pipe extending into the water tank (502), the air inlet pipe (517) is an L-shaped copper pipe, and the end of the air inlet pipe (517) away from the fan (505) extends into the water tank (502) and is fixed to the left side surface thereof.

6. The plastic recycling hot washing apparatus of claim 1, wherein: The central pipe (506) and the cleaning bin (1) are located on the same central axis, the top end of the central pipe (506) extends into the cleaning bin (1), and control valves are fixed to the outer peripheral walls of the water delivery pipe (508) and the air delivery pipe (509).

7. The plastic recycling hot washing apparatus of claim 2, wherein: The bottom end of the stirring shaft (511) is square, the insertion slot (516) is a square slot and is in clearance fit with the stirring shaft (511), and the inner bottom wall of the cleaning basket (2) is provided with a movable hole for the stirring shaft (511) to penetrate.

8. The plastic recycling hot washing apparatus of claim 2, wherein: The spray pipe (514) is in L-shaped connection with the shunt pipe (513), the shunt pipe (513) is arranged in the cleaning bin (1), and the spray pipe (514) is arranged outside the cleaning basket (2).

Citation Information

Patent Citations

  • Waste plastic recycling and cleaning device

    CN217665073U