A device for treating and mixing waste plastics and industrial waste and its processing technology
By using a multi-stage extrusion and mixing structure and an independent barrel preheating design, the problems of low frictional heating efficiency and uneven temperature in existing devices have been solved, achieving efficient and uniform melting of waste plastics and reducing energy consumption.
Patent Information
- Application Number
- CN202610485297.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-14
- Publication Date
- 2026-05-26
AI Technical Summary
Existing plastic recycling equipment suffers from unreasonable mixing structure design during the extrusion mixing and friction heating stages, resulting in low friction heating efficiency, uneven temperature distribution, and a tendency for localized overheating or insufficient temperature, which affects the melting effect of waste plastics and the quality of recycled products.
It adopts a multi-stage, high-strength extrusion and mixing structure, including components such as variable diameter cylinder, arc plate, diamond convex plate and cutting plate, and works with motor and gearbox to realize multi-stage extrusion, friction heating and mixing of materials. It utilizes the residual heat of pretreatment drying to improve melting efficiency, and uses independent material cylinders and heating coils to classify, store and preheat materials.
It achieves full melting and uniform mixing of waste plastics, reduces energy consumption, improves mixing efficiency, avoids problems of local overheating or insufficient temperature, and improves the quality of recycled products.
Smart Images
Figure CN122076800A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of plastic recycling technology, and in particular to a device for treating and mixing waste plastics and industrial waste, and its processing technology. Background Technology
[0002] With the rapid development of industrial production and the improvement of people's living standards, the amount of waste plastics and industrial waste generated has increased year by year. More than 400 million tons of plastics are produced globally each year, and most of them are difficult to recycle efficiently after being discarded. The accumulation of industrial waste is also increasing, which not only causes serious waste of resources, but also poses a huge threat to the ecological environment, becoming a prominent problem that plagues global environmental governance. Therefore, the resource recycling and utilization of waste plastics and industrial waste has become an important issue that urgently needs to be addressed.
[0003] Currently, existing equipment and processes for mixing waste plastics and industrial waste still have many shortcomings, making it difficult to meet the demands for efficient, uniform, and energy-saving processing. In the material pretreatment stage, most devices use a single feeding cylinder, which easily leads to stratification after the waste plastics and industrial waste are mixed and fed in, resulting in uneven mixing later. While some devices have a material distribution structure, they lack effective pre-mixing and preheating mechanisms, failing to achieve uniform mixing of the materials or pre-evaporate moisture and soften the waste plastics. This not only affects the subsequent mixing and melting effect but also causes defects such as bubbles and clumping in the mixture due to moisture, reducing the quality of the recycled product.
[0004] In the core stages of extrusion mixing and frictional heating, the existing equipment suffers from unreasonable mixing structure design, often employing a single spiral propulsion structure. This only enables simple material conveying and initial extrusion, making it difficult to perform multi-stage, high-intensity extrusion and mixing. Frictional heating efficiency is low, and temperature distribution is uneven, easily leading to localized overheating causing degradation and scorching of waste plastics, or localized insufficient temperature resulting in incomplete melting. Furthermore, existing equipment lacks precise control over the frictional heating process, failing to effectively utilize the waste heat from pre-treatment drying, resulting in high energy consumption. (Invention Content)
[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.
[0006] In view of the problems existing in the above and / or existing plastic recycling, the present invention is proposed.
[0007] Therefore, the problem to be solved by this invention is how to address the issue that in the core extrusion mixing and friction heating stage, the existing device's mixing structure design is unreasonable, often employing a single spiral propulsion structure, which can only achieve simple material conveying and preliminary extrusion, making it difficult to perform multi-stage, high-intensity extrusion and mixing of materials. Furthermore, the friction heating efficiency is low, and the temperature distribution is uneven, easily leading to local overheating that causes waste plastic degradation and scorching, or local insufficient temperature that causes waste plastic to not melt sufficiently.
[0008] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a mixing device for treating waste plastics and industrial waste, comprising an installation assembly, wherein the installation assembly contains a mixing component for pressurizing, pushing, and frictionally heating and fusing the waste plastics, and a feeding component for mixing, turning, and uniformly feeding multiple types of waste plastics. The extrusion mixing component includes a connecting seat, a rotating rod, a gearbox, a motor, an installation cylinder, a spiral plate, a reducing cylinder, an arc plate, an extrusion baffle, an extrusion baffle, a convex plate, four cutting plates, and a spiral plate. The connecting seat is disposed on the installation assembly, the rotating rod is rotatably mounted on the connecting seat, and the gearbox is disposed on... On the mounting assembly, the output end of the gearbox is fixedly connected to one end of the rotating rod. A motor is mounted on the mounting assembly, and its output end is fixedly connected to the transmission end of the gearbox. The mounting cylinder is located inside the mounting assembly. A spiral plate is fixedly sleeved on the outer wall of the rotating rod. A variable diameter cylinder is fixedly mounted on the inner wall of the mounting cylinder. Arc-shaped plates are evenly distributed on the outer wall of the rotating rod. Extrusion baffles are evenly distributed on the inner wall of the mounting cylinder. Extrusion baffles are evenly distributed on the inner wall of the mounting cylinder. Convex plates are evenly distributed on the outer wall of the rotating rod. Four cutting plates are fixedly sleeved on the rotating rod. A spiral plate is fixedly sleeved on the outer wall of the rotating rod.
[0009] As a preferred embodiment of the waste plastic and industrial waste treatment and mixing device of the present invention, the two ends of the variable diameter cylinder are convex, and the inner diameters of the two convex ends of the variable diameter cylinder are set to be large and small respectively.
[0010] As a preferred embodiment of the waste plastic and industrial waste treatment and mixing device of the present invention, wherein: the arc-shaped plate is spirally arranged on the outer wall of the rotating rod, and the first extrusion baffle and the second extrusion baffle are both arranged in a ring shape.
[0011] As a preferred embodiment of the waste plastic and industrial waste treatment and mixing device of the present invention, the convex plate is arranged in a rhomboid shape, and the convex plate and the extrusion baffle are arranged alternately.
[0012] As a preferred embodiment of the waste plastic and industrial waste treatment and mixing device of the present invention, the cutting plate is arranged in the shape of a quadrilateral pyramid and is eccentrically installed on the outer wall of the rotating rod.
[0013] As a preferred embodiment of the waste plastic and industrial waste treatment and mixing device of the present invention, the mounting assembly includes a base plate, a cylinder and an insulation sleeve. The base plate is rectangular, the cylinder is fixedly mounted on the top of the base plate, the insulation sleeve is fixedly fitted on the outer wall of the cylinder, the insulation sleeve is made of asbestos, the connecting seat is fixedly mounted on the cylinder, the gearbox is fixedly mounted on the top of the base plate, the motor is fixedly mounted on the top of the base plate, and the mounting cylinder is fixedly mounted on the inner wall of the cylinder.
[0014] As a preferred embodiment of the waste plastic and industrial waste treatment and mixing device of the present invention, the feeding assembly includes two material cylinders, two heating coils, two protective covers, two top plates, two round rods, two pulleys, a second motor, a stirring rod, a flapper, and two material level detectors. Both material cylinders are positioned above the base plate. The two heating coils are wound around the outer walls of the two material cylinders respectively. The two protective covers are fixedly installed on the outer walls of the two material cylinders respectively. The two top plates are fixedly installed on the tops of the two material cylinders respectively. The two round rods are rotatably mounted on the two top plates respectively. The two pulleys are fixedly installed on the tops of the two round rods respectively, and a transmission belt is sleeved between the two pulleys. The second motor is fixedly installed on the corresponding top plate, and the output end of the second motor is fixedly connected to the top of the corresponding round rod. The stirring rods are evenly distributed on the outer walls of the round rods. The flappers are staggered on the stirring rods. The two material level detectors are fixedly installed on the two material cylinders respectively.
[0015] As a preferred embodiment of the waste plastic and industrial waste treatment and mixing device of the present invention, the feeding assembly further includes two discharge cylinders, two screw rods and two motors. The two discharge cylinders are respectively fixedly installed at the bottom of the two discharge cylinders and are interconnected with each other. The discharge cylinders and discharge cylinders are both fixedly installed on the top of the base plate by a bracket. The two screw rods are respectively rotatably installed in the two discharge cylinders. The two motors are respectively fixedly installed on the two discharge cylinders and are respectively fixedly connected to the two screw rods.
[0016] A processing technology using a mixed device for treating waste plastics and industrial waste includes the following steps:
[0017] S1. Put waste plastic into one of the containers and industrial waste into the other. During the feeding process, observe the feeding amount through the material level detector to avoid overloading the container. Start motor two. Motor two drives the corresponding round rod to rotate. Through the pulley and transmission belt, it drives the other round rod to rotate synchronously. When the round rod rotates, it drives the stirring rod on the outer wall and the staggered flaps to rotate. The waste plastic and industrial waste in the two containers are stirred and turned separately to make the materials evenly distributed. At the same time, the preheating of the heating coil makes the moisture contained in the waste plastic and industrial waste evaporate and the temperature rises and softens them initially. The stirring time is adjusted according to the amount of material, generally 5-10 minutes.
[0018] S2. After pre-mixing is completed, start the two motors three. The motors three drive the screw rod in the discharge cylinder to rotate, and transport the pre-mixed waste plastic and industrial waste in the two cylinders to the cylinder of the installation component, that is, the installation cylinder of the mixing component. Control the speed of the motors three to ensure that the two materials are transported synchronously and evenly, and the conveying volume matches the processing capacity of the mixing component.
[0019] S3. Start motor one, whose power, after being adjusted by the gearbox, drives the rotating rod to rotate at a uniform speed. The outer spiral plate one pushes the material into the installation cylinder and squeezes it. When the material passes through the variable diameter cylinder with convex ends and different inner diameters, the friction and heat generated by the variable diameter extrusion are enhanced. At the same time, the residual heat from drying at 70-100 degrees Celsius on the material itself improves the melting efficiency. The spirally arranged arc-shaped plates on the rotating rod push the material and cooperate with the annular extrusion baffle one to complete the extrusion and tumbling. The diamond-shaped convex plates and the extrusion baffle two are arranged alternately to further enhance the extrusion heat generation and promote the full melting of waste plastic. The installation gap between the arc plates and the convex plates allows some material to leak backward and mix with the material pushed behind, improving the mixing uniformity. The four cone-shaped, eccentrically installed cutting plates rotate with the rotating rod to cut and crush the material to prevent clumping. Finally, the spiral plate two pushes the molten and mixed material to the outlet of the device.
[0020] S4. During the mixing process, observe the insulation effect of the insulation jacket to ensure stable temperature inside the device and avoid local overheating or insufficient temperature. Monitor the operating status of motor 1, motor 2, and motor 3, check the transmission of the gearbox, and ensure that the rotation speed of the rotating rod and screw is stable, without abnormal noise or jamming. Observe the remaining amount of material in the material cylinder through the material level detector and replenish the material in time (if continuous processing is required).
[0021] S5. The mixed material is discharged through the outlet of the installation cylinder. The discharged mixture is collected and further processed according to subsequent uses (such as granulation, molding, etc.). After the material processing is completed, first turn off motor one and gearbox to stop the operation of the mixing component, then turn off motor two and motor three to stop the feeding and stirring of the feeding component, and finally turn off the heating coil and insulation jacket, and wait for the device to cool down to room temperature naturally.
[0022] In summary, due to the adoption of the above-mentioned technologies, the beneficial effects of this invention are:
[0023] This invention utilizes an extrusion mixing component, the core component for melting and thoroughly mixing materials. Powered by a motor and with its speed regulated by a gearbox, the component drives a rotating rod to rotate at a constant speed. The rotating rod achieves stable rotation via a connecting seat, ensuring smooth operation without jamming or deviation. The mounting cylinder, serving as the mixing chamber, works in conjunction with the rotating rod and other auxiliary components to complete multi-stage extrusion, frictional heating, and mixing. As the rotating rod rotates, a spiral plate fixed to its outer wall rotates synchronously. Utilizing the propulsive action of the spiral structure, the material transported from the discharge cylinder to the mounting cylinder is pushed into the cavity. Simultaneously, the material is squeezed between the rotating rod and the inner wall of the mounting cylinder, creating an initial extrusion effect and preparing for subsequent frictional heating. Driven by the spiral plate, the material passes through the inner wall of the mounting cylinder... The variable-diameter cylinder, with its convex ends and varying inner diameters, causes material to be compressed as it passes through, increasing the compression intensity and intensifying friction between the material, the cylinder, the rotating rod, and itself, generating significant frictional heat. Simultaneously, the material carries residual heat from the 70-100°C drying process generated during pretreatment. This synergistic effect significantly improves the melting efficiency of waste plastics and reduces energy consumption. The spirally arranged arc-shaped plates on the outer wall of the rotating rod rotate synchronously with the rod, propelling the material forward. These plates, in conjunction with the annular compression baffles on the inner wall of the cylinder, further compress and tumble the material, breaking up stratification and improving mixing uniformity. The staggered arrangement of the rhomboid-shaped convex plates and the annular compression baffles further enhances the compression effect, increases frictional heat generation, and ensures complete melting of the waste plastics. Furthermore, the installation gap between the arc-shaped plate and the convex plate allows some material to leak backward and mix again with the material being pushed forward, achieving secondary mixing and further improving the uniformity of mixing. The four four-sided cone-shaped, eccentrically installed cutting plates rotate with the rotating rod, cutting and breaking up any material lumps that may occur during the mixing process, preventing lumps from affecting the melting and mixing effect. Finally, the uniformly mixed and fully melted material is pushed towards the outlet of the mounting cylinder by the spiral propulsion of the spiral plate II, completing the material mixing process. This process has the advantages of progressively changing diameter to enhance the extrusion strength of the material, intensifying frictional heat generation, coordinating with the waste heat from material pretreatment and drying, improving melting efficiency, and reducing energy consumption.
[0024] This invention features a feeding assembly. The core function of this assembly is to separate and store waste plastics and industrial waste materials, pre-stir and preheat them, and simultaneously convey them, laying the foundation for subsequent mixing and melting. Two material cylinders are used to store waste plastics and industrial waste materials respectively, achieving material classification and avoiding stratification and clumping problems caused by premature mixing. A material level detector monitors the material level in the cylinders in real time to prevent overloading and ensure stable operation of the device. Heating coils wound around the outer wall of the cylinders are energized to preheat the materials inside, simultaneously evaporating moisture and initially softening the waste plastics, reducing energy consumption and improving efficiency for subsequent melting. A protective cover protects the heating coils from high-temperature burns and component damage. After the second motor starts, it drives the corresponding cylindrical rods to rotate. Through the linkage of two pulleys and a transmission belt, the two cylindrical rods rotate synchronously. As the cylindrical rods rotate, the evenly distributed stirring rods and staggered flaps on the outer wall also rotate, thoroughly stirring the materials in the two cylinders, breaking up material agglomerates, and ensuring uniform material distribution. Simultaneously, the preheating of the heating coil further enhances the softening effect of the material. The stirring time is flexibly adjusted according to the amount of material (generally 5-10 minutes). After pre-stirring, the two motors start synchronously, driving the screw rods in the corresponding discharge cylinders to rotate. Utilizing the spiral propulsion of the screw rods, the materials in the two cylinders are precisely conveyed through the discharge cylinders to the cylinder of the installation component (i.e., the installation cylinder of the mixing component). By controlling the speed of the three motors, the synchronous and uniform conveying of the two materials can be achieved, ensuring that the conveying volume matches the processing capacity of the mixing component, avoiding material accumulation or insufficient conveying. It has the advantages of dual independent cylinders for the separate storage and independent pre-treatment of waste plastics and industrial waste, preheating materials, evaporating moisture, softening plastics, reducing subsequent energy consumption, fully mixing materials, and synergistically improving the softening effect with preheating, thus shortening the processing time. Attached Figure Description
[0025] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0026] Figure 1 This is a schematic diagram of the overall structure of a device for treating and mixing waste plastics and industrial waste, and its processing technology, according to the present invention.
[0027] Figure 2 This is a schematic diagram of the main cross-sectional structure of a device for treating and mixing waste plastics and industrial waste and its processing technology according to the present invention.
[0028] Figure 3 This is a rear view schematic diagram of a device for treating and mixing waste plastics and industrial waste materials according to the present invention and its processing technology.
[0029] Figure 4 This is a schematic diagram of the assembly structure of the feeding component in this invention;
[0030] Figure 5 This is a schematic diagram of the assembly structure of the extrusion mixing component in this invention;
[0031] Figure 6 In this invention Figure 5 A magnified structural diagram of part A;
[0032] Figure 7 In this invention Figure 5 A schematic diagram of the enlarged structure of part B;
[0033] Figure 8 This is a rear cross-sectional view of a device for treating and mixing waste plastics and industrial waste, and its processing technology, according to the present invention.
[0034] In the diagram: 1. Installation assembly; 101. Base plate; 102. Cylinder; 103. Insulation sleeve; 2. Extrusion mixing assembly; 201. Connecting seat; 202. Rotating rod; 203. Gearbox; 204. Motor 1; 205. Installation cylinder; 206. Spiral plate 1; 207. Variable diameter cylinder; 208. Arc plate; 209. Extrusion baffle 1; 210. Extrusion baffle 2; 211. Convex plate; 212. Cutting plate; 213. Spiral plate 2; 3. Feeding assembly; 301. Material cylinder; 302. Heating coil; 303. Protective cover; 304. Top plate; 305. Round rod; 306. Pulley; 307. Motor 2; 308. Stirring rod; 309. Flip plate; 310. Material level detector; 311. Discharge cylinder; 312. Spiral rod; 313. Motor 3. Detailed Implementation
[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more apparent and understandable, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
[0036] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.
[0037] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.
[0038] Example 1, referring to Figures 1-8 This is the first embodiment of the present invention. This embodiment provides a mixing device for treating waste plastics and industrial waste and its processing technology. It includes an installation component 1. The installation component 1 is provided with a mixing component 2 for pressurizing, pushing and frictionally heating the waste plastics to fuse them. The installation component 1 is provided with a feeding component 3 for mixing and turning various waste plastics and feeding them uniformly.
[0039] like Figure 5 As shown, the extrusion mixing assembly 2 further includes a connecting seat 201, a rotating rod 202, a gearbox 203, a first motor 204, a mounting cylinder 205, a first spiral plate 206, a variable diameter cylinder 207, an arc plate 208, a first extrusion baffle 209, a second extrusion baffle 210, a convex plate 211, four cutting plates 212, and a second spiral plate 213. The connecting seat 201 is disposed on the mounting assembly 1, the rotating rod 202 is rotatably mounted on the connecting seat 201, the gearbox 203 is disposed on the mounting assembly 1, and the output end of the gearbox 203 is fixedly connected to one end of the rotating rod 202. The first motor 204 is disposed on the mounting assembly 1, and the output end of the first motor 204 is fixedly connected to one end of the rotating rod 202. The mounting cylinder 205 is fixedly connected to the transmission end of the gearbox 203 and is disposed inside the mounting assembly 1. The spiral plate 206 is fixedly sleeved on the outer wall of the rotating rod 202. The variable diameter cylinder 207 is fixedly installed on the inner wall of the mounting cylinder 205. The arc-shaped plates 208 are evenly distributed on the outer wall of the rotating rod 202. The extrusion baffle 209 is evenly distributed on the inner wall of the mounting cylinder 205. The extrusion baffle 210 is evenly distributed on the inner wall of the mounting cylinder 205. The convex plate 211 is evenly distributed on the outer wall of the rotating rod 202. The four cutting plates 212 are all fixedly sleeved on the rotating rod 202. The spiral plate 213 is fixedly sleeved on the outer wall of the rotating rod 202.
[0040] More specifically, the mixing component 2 is the core component for melting and fully mixing materials. Powered by a motor 204, and with its speed regulated by a gearbox 203, it drives the rotating rod 202 to rotate at a constant speed. The rotating rod 202 achieves stable rotation via a connecting seat 201, ensuring smooth operation without jamming or deviation. The mounting cylinder 205 serves as the mixing chamber, cooperating with the rotating rod 202 and other auxiliary components to complete multi-stage extrusion, frictional heating, and mixing. As the rotating rod 202 rotates, the spiral plate 206, fixedly mounted on its outer wall, rotates synchronously. Utilizing the propulsive action of the spiral structure, the material conveyed from the discharge cylinder 311 to the mounting cylinder 205 is pushed into the cavity. Simultaneously, the material is squeezed between the rotating rod 202 and the inner wall of the mounting cylinder 205, creating a preliminary extrusion effect and preparing for subsequent frictional heating. Driven by the spiral plate 206, the material passes through the mounting cylinder 205... The variable diameter cylinder 207, with its convex ends and varying inner diameters, causes the material to be squeezed as it passes through, increasing the squeezing intensity and intensifying the friction between the material and the variable diameter cylinder 207, the rotating rod 202, and itself, generating a large amount of frictional heat. Simultaneously, the material carries the residual heat from the 70-100°C drying process generated during pretreatment. These two factors work synergistically to significantly improve the melting efficiency of waste plastics and reduce energy consumption. The spirally arranged arc-shaped plates 208 on the outer wall of the rotating rod 202 rotate synchronously with the rod, propelling the material forward. They also cooperate with the annular extrusion baffle 209 on the inner wall of the mounting cylinder 205 to further squeeze and tumble the material, breaking up material stratification and improving mixing uniformity. The diamond-shaped convex plates 211 and the annular extrusion baffle 210 are arranged alternately to further enhance the squeezing effect, increase the intensity of frictional heat generation, and ensure the waste plastics are fully melted. Furthermore, the installation gap between the arc plate 208 and the convex plate 211 allows some material to leak backward and mix again with the material being pushed forward, achieving secondary mixing and further improving the mixing uniformity. The four four-sided cone-shaped, eccentrically installed cutting plates 212 rotate with the rotating rod 202, cutting and breaking up any material lumps that may occur during the mixing process, preventing lumps from affecting the melting and mixing effect. Finally, the uniformly mixed and fully melted material is pushed towards the outlet of the mounting cylinder 205 under the spiral propulsion of the spiral plate 213, completing the material mixing process. This process has the advantages of progressively changing diameter to enhance the extrusion strength of the material, intensifying frictional heat generation, coordinating with the waste heat from material pretreatment and drying, improving melting efficiency, and reducing energy consumption.
[0041] Furthermore, the two ends of the variable diameter cylinder 207 are convex, and the inner diameters of the two convex ends of the variable diameter cylinder 207 are set to be large and small respectively.
[0042] Furthermore, the arc-shaped plates 208 are spirally arranged on the outer wall of the rotating rod 202, and the extrusion baffle 1 209 and extrusion baffle 210 are both arranged in a ring shape.
[0043] Furthermore, the convex plate 211 is diamond-shaped, and the convex plate 211 and the extrusion baffle 210 are arranged alternately.
[0044] Furthermore, the cutting plate 212 is configured in the shape of a quadrilateral pyramid, and the cutting plate 212 is eccentrically mounted on the outer wall of the rotating rod 202.
[0045] Example 2, refer to Figures 1-3 This is the second embodiment of the present invention, which is based on the previous embodiment.
[0046] like Figure 2 As shown, the mounting assembly 1 includes a base plate 101, a cylinder 102, and an insulation sleeve 103. The base plate 101 is rectangular. The cylinder 102 is fixedly mounted on the top of the base plate 101. The insulation sleeve 103 is fixedly fitted onto the outer wall of the cylinder 102. The insulation sleeve 103 is made of asbestos. The connecting seat 201 is fixedly mounted on the cylinder 102. The gearbox 203 is fixedly mounted on the top of the base plate 101. The motor 204 is fixedly mounted on the top of the base plate 101. The mounting cylinder 205 is fixedly mounted on the inner wall of the cylinder 102.
[0047] Example 3, referring to Figures 1-4 This is the third embodiment of the present invention, which is based on the first two embodiments.
[0048] like Figure 4 As shown, the feeding assembly 3 includes two material cylinders 301, two heating coils 302, two protective covers 303, two top plates 304, two round rods 305, two pulleys 306, a motor 307, a stirring rod 308, a flap 309, and two material level detectors 310. Both material cylinders 301 are positioned above the base plate 101. The two heating coils 302 are wound around the outer walls of the two material cylinders 301, the two protective covers 303 are fixedly installed on the outer walls of the two material cylinders 301, and the two top plates 304 are fixedly installed on the two material cylinders 301. At the top, two round rods 305 are rotatably mounted on two top plates 304 respectively, two pulleys 306 are fixedly mounted on the top ends of the two round rods 305 respectively, and a transmission belt is sleeved between the two pulleys 306. The second motor 307 is fixedly mounted on the corresponding top plate 304, and the output end of the second motor 307 is fixedly connected to the top end of the corresponding round rod 305. The stirring rods 308 are evenly distributed on the outer wall of the round rods 305, and the flaps 309 are staggered on the stirring rods 308. Two material level detectors 310 are fixedly mounted on two material cylinders 301 respectively.
[0049] More specifically, the core function of the feeding component 3 is to complete the separation, storage, pre-mixing, preheating, and synchronous conveying of waste plastics and industrial waste, laying the foundation for subsequent mixing and melting. Two material cylinders 301 are used to store waste plastics and industrial waste respectively, achieving classified storage of materials and avoiding stratification and clumping problems caused by pre-mixing. A material level detector 310 monitors the material level in the material cylinders 301 in real time to prevent overloading and ensure stable operation of the device. A heating coil 302 wound around the outer wall of the material cylinder 301 is energized to preheat the material in the material cylinder 201, simultaneously evaporating the moisture in the material and initially softening the waste plastic, reducing energy consumption and improving efficiency for subsequent melting. A protective cover 303 protects the heating coil 302 from high-temperature burns and component damage. After the motor 307 starts, it drives the corresponding circular rod 305 to rotate. Through the linkage of two pulleys 306 and the transmission belt, the two circular rods 305 rotate synchronously. When the circular rods 305 rotate, the evenly distributed stirring rods 308 and the staggered flaps 309 on the outer wall rotate accordingly, thoroughly mixing the materials in the two material cylinders 301 and breaking up material agglomerations. This process ensures even distribution of materials. Combined with preheating by heating coil 302, it further enhances the softening effect. The mixing time is flexibly adjusted according to the amount of material (generally 5-10 minutes). After pre-mixing, two motors 313 start synchronously, driving the screw rods 312 in the corresponding discharge cylinders 311 to rotate. The screw rods 312 propel the materials in the two cylinders 301 through the discharge cylinders 311 to the cylinder 102 of the installation component 1 (i.e., the installation cylinder 205 of the mixing component 2). By controlling the speed of motors 313, synchronous and uniform conveying of the two materials can be achieved, ensuring that the conveying volume matches the processing capacity of the mixing component 2, avoiding material accumulation or insufficient conveying. It features dual independent cylinders for separate storage and independent pre-treatment of waste plastics and industrial waste, preheating materials, evaporating moisture, softening plastics, reducing subsequent energy consumption, and fully mixing materials. This, combined with preheating, enhances the softening effect and shortens processing time.
[0050] Furthermore, the feeding assembly 3 also includes two discharge cylinders 311, two screw rods 312, and two motors 313. The two discharge cylinders 311 are respectively fixedly installed at the bottom of the two material cylinders 301. The discharge cylinders 311 and the material cylinders 301 are interconnected. The discharge cylinders 311 and the material cylinders 301 are both fixedly installed on the top of the base plate 101 by brackets. The two screw rods 312 are respectively rotatably installed inside the two discharge cylinders 311. The two motors 313 are respectively fixedly installed on the two discharge cylinders 311. The two motors 313 are respectively fixedly connected to the two screw rods 312.
[0051] A processing technology using a mixed waste plastic and industrial waste treatment device includes the following steps:
[0052] S1. Waste plastic is put into one of the material cylinders 301 and industrial waste is put into the other material cylinder 301. During the feeding process, the feeding amount is observed through the material level detector 310 to avoid overloading of the material cylinder 301. Start the second motor 307. The second motor 307 drives the corresponding round rod 305 to rotate. Through the pulley 306 and the transmission belt, the other round rod 305 is driven to rotate synchronously. When the round rod 305 rotates, it drives the stirring rod 308 on the outer wall and the staggered flaps 309 to rotate, stirring and turning the waste plastic and industrial waste in the two material cylinders 301 respectively, so that the materials are evenly distributed. At the same time, the preheating of the heating coil 302 causes the moisture contained in the waste plastic and industrial waste to evaporate and the temperature to rise and initially soften. The stirring time is adjusted according to the amount of material, generally 5-10 minutes.
[0053] S2. After pre-mixing is completed, start two motors 313. Motors 313 drive the screw rod 312 in the discharge cylinder 311 to rotate, and transport the pre-mixed waste plastic and industrial waste in the two cylinders 301 to the cylinder 102 of the installation component 1, that is, the installation cylinder 205 of the mixing component 2 through the discharge cylinder 311. Control the speed of motors 313 to ensure that the two materials are transported synchronously and evenly, and the conveying volume matches the processing capacity of the mixing component 2.
[0054] S3. Start motor 204, whose power, after being adjusted by gearbox 203, drives rotating rod 202 to rotate at a uniform speed. Spiral plate 206 on the outer wall pushes the material into the mounting cylinder 205 and compresses it. When the material passes through the variable diameter cylinder 207 with protrusions at both ends and different inner diameters, the friction and heat generated by the variable diameter compression are enhanced. At the same time, the residual heat from drying at 70-100 degrees Celsius on the material itself improves the melting efficiency. The spirally arranged arc-shaped plates 208 on rotating rod 202 push the material and cooperate with annular extrusion baffle 209 to complete the extrusion and tumbling. The diamond-shaped protrusions 211 and extrusion baffle 210 are arranged alternately to further enhance the extrusion heat generation and promote the full melting of waste plastic. The installation gap between the arc plate 208 and the convex plate 211 will cause some material to leak backward and mix with the material pushed behind, thus improving the mixing uniformity. The four cone-shaped, eccentrically installed cutting plates 212 rotate with the rotating rod to cut and crush the material to prevent clumping. Finally, the spiral plate 213 pushes the molten and mixed material to the device outlet.
[0055] S4. During the mixing process, observe the insulation effect of the insulation jacket 103 to ensure stable temperature inside the device and avoid local overheating or insufficient temperature. Monitor the operating status of motor 1 204, motor 2 307, and motor 3 313, and check the transmission of gearbox 203 to ensure stable rotation speed of rotating rod 202 and screw rod 312 without abnormal noise or jamming. Observe the remaining amount of material in the material cylinder 301 through the material level detector 310 and replenish the material in time (if continuous processing is required).
[0056] S5. The mixed material is discharged through the outlet of the installation cylinder 205. The discharged mixed material is collected and further processed according to subsequent uses (such as granulation, molding, etc.). After the material processing is completed, first turn off motor 1 204 and gearbox 203 to stop the operation of mixing component 2. Then turn off motor 2 307 and motor 3 313 to stop feeding and stirring of feeding component 3. Finally, turn off heating coil 302 and insulation jacket 103 and wait for the device to cool naturally to room temperature.
[0057] When using:
[0058] Step 1: The core function of the feeding assembly 3 is to separate and store waste plastics and industrial waste, pre-stir and preheat them, and simultaneously convey them, laying the foundation for subsequent mixing and melting. Two material cylinders 301 are used to store waste plastics and industrial waste respectively, achieving classified storage of materials and avoiding stratification and clumping problems caused by premature mixing; the material level detector 310 monitors the material level in the material cylinders 301 in real time to prevent overloading and ensure stable operation of the device.
[0059] During the preheating stage, the heating coil 302, which is wound around the outer wall of the barrel 301, is energized and heats up to preheat the material inside the barrel 201. At the same time, it evaporates the moisture contained in the material, so that the waste plastic is initially softened, which reduces energy consumption and improves efficiency for subsequent melting. The protective cover 303 protects the heating coil 302 to avoid high temperature burns and component damage.
[0060] During the pre-mixing stage, after motor 2 307 starts, it drives the corresponding round rod 305 to rotate. Through the linkage of two pulleys 306 and the transmission belt, the two round rods 305 rotate synchronously. When the round rods 305 rotate, the stirring rods 308 evenly distributed on the outer wall and the staggered flaps 309 rotate accordingly, which fully mixes the materials in the two material cylinders 301, breaks up the material agglomeration, and makes the material evenly distributed. At the same time, with the preheating of the heating coil 302, the softening effect of the material is further improved. The mixing time is flexibly adjusted according to the amount of material (generally 5-10 minutes).
[0061] During the feeding stage, after pre-mixing, the two motors 313 start synchronously, driving the screw rods 312 in the corresponding discharge cylinders 311 to rotate. Utilizing the spiral propulsion of the screw rods 312, the materials in the two cylinders 301 are accurately conveyed through the discharge cylinders 311 to the cylinder 102 of the installation component 1 (i.e., the installation cylinder 205 of the mixing component 2). By controlling the speed of the motors 313, the synchronous and uniform conveying of the two materials can be achieved, ensuring that the conveying volume matches the processing capacity of the mixing component 2 and avoiding material accumulation or insufficient conveying.
[0062] Step 2: The mixing component 2 is the core component for melting and fully mixing materials. It is powered by motor 204, and after the speed is adjusted by gearbox 203, it drives the rotating rod 202 to rotate at a constant speed. The rotating rod 202 achieves stable rotation through the connecting seat 201, ensuring that there is no jamming or deviation during operation. The mounting cylinder 205 serves as the cavity for material mixing. It works with the rotating rod 202 and various auxiliary components to complete multi-stage extrusion, friction heating and mixing.
[0063] Pressurized propulsion stage: When the rotating rod 202 rotates, the spiral plate 206 fixedly sleeved on the outer wall rotates synchronously. Utilizing the propulsion effect of the spiral structure, the material conveyed from the discharge cylinder 311 to the mounting cylinder 205 is pushed into the cavity. At the same time, the material is squeezed between the rotating rod 202 and the inner wall of the mounting cylinder 205, forming a preliminary squeezing effect, which prepares for subsequent frictional heat generation.
[0064] Frictional heat generation and melting stage: Under the push of the spiral plate 206, the material passes through the variable diameter cylinder 207 fixed on the inner wall of the mounting cylinder 205. Since the two ends of the variable diameter cylinder 207 are convex and the inner diameter is large and small respectively, the material is subjected to the compression of the variable diameter cylinder when passing through, the compression intensity increases, the friction between the material and the variable diameter cylinder 207, the rotating rod 202 and itself intensifies, and a large amount of frictional heat is generated. At the same time, the material carries the 70-100 degrees Celsius drying waste heat generated in the pretreatment stage. The two work together to greatly improve the melting efficiency of waste plastic and reduce energy consumption.
[0065] Enhanced mixing stage: The spirally arranged arc-shaped plates 208 on the outer wall of the rotating rod 202 rotate synchronously with the rotating rod 202, propelling the material forward continuously. Simultaneously, they cooperate with the annular extrusion baffle 209 on the inner wall of the mounting cylinder 205 to further extrude and tumble the material, breaking down material stratification and improving mixing uniformity. The diamond-shaped convex plates 211 and the annular extrusion baffle 210 are arranged alternately to further enhance the extrusion effect, increase frictional heat generation, and ensure complete melting of waste plastics. Furthermore, the installation gap between the arc-shaped plates 208 and the convex plates 211 allows some material to leak backward, mixing again with the material being pushed forward, achieving secondary mixing and further improving mixing uniformity.
[0066] Anti-caking and discharge stage: Four four-sided cone-shaped, eccentrically installed cutting plates 212 rotate with the rotating rod 202 to cut and break up material clumps that may occur during the mixing process, so as to avoid clumps affecting the melting and mixing effect; finally, the uniformly mixed and fully melted material is pushed to the outlet of the mounting cylinder 205 under the spiral propulsion action of the spiral plate 213, completing the material mixing process.
[0067] The above-described embodiments are merely preferred embodiments of the present invention and not limitations. Those skilled in the art should understand that the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention without departing from the technical solution and inventive concept of the present invention should be covered within the scope of protection of the present invention.
Claims
1. A device for processing and mixing waste plastics and industrial waste, characterized in that: The system includes an installation assembly containing a mixing component that pressurizes, propels, and fuses waste plastics through friction and heat generation. The installation assembly also includes a feeding component for mixing, turning, and uniformly feeding various waste plastics. The extrusion mixing component comprises a connecting seat, a rotating rod, a gearbox, a motor, an mounting cylinder, a spiral plate, a reducing cylinder, an arc plate, an extrusion baffle, an extrusion baffle, a convex plate, four cutting plates, and a spiral plate. The connecting seat is mounted on the installation assembly, the rotating rod is rotatably mounted on the connecting seat, and the gearbox is mounted on the installation assembly. The output end of the gearbox is connected to the rotating rod. One end is fixedly connected, the first motor is mounted on the mounting assembly, the output end of the first motor is fixedly connected to the transmission end of the gearbox, the mounting cylinder is set inside the mounting assembly, the first spiral plate is fixedly sleeved on the outer wall of the rotating rod, the variable diameter cylinder is fixedly installed on the inner wall of the mounting cylinder, the arc-shaped plates are evenly distributed on the outer wall of the rotating rod, the first extrusion baffle is evenly distributed on the inner wall of the mounting cylinder, the second extrusion baffle is evenly distributed on the inner wall of the mounting cylinder, the convex plate is evenly distributed on the outer wall of the rotating rod, the four cutting plates are all fixedly sleeved on the rotating rod, and the second spiral plate is fixedly sleeved on the outer wall of the rotating rod.
2. The device for treating and mixing waste plastics and industrial waste as described in claim 1, characterized in that: The two ends of the variable diameter cylinder are convex, and the inner diameters of the two convex ends are set to be large and small respectively.
3. The mixing device for treating waste plastics and industrial waste as described in claim 1, characterized in that: The arc-shaped plates are arranged spirally on the outer wall of the rotating rod, and both the first extrusion baffle and the second extrusion baffle are arranged in a ring shape.
4. The mixing device for treating waste plastics and industrial waste as described in claim 1, characterized in that: The convex plate is diamond-shaped and is arranged alternately with the extrusion baffle.
5. The mixing device for treating waste plastics and industrial waste as described in claim 1, characterized in that: The cutting plate is a quadrilateral pyramid shape and is eccentrically mounted on the outer wall of the rotating rod.
6. The mixing device for treating waste plastics and industrial waste as described in claim 1, characterized in that: The mounting assembly includes a base plate, a cylinder, and an insulation sleeve. The base plate is rectangular in shape. The cylinder is fixedly mounted on the top of the base plate. The insulation sleeve is fixedly fitted onto the outer wall of the cylinder. The insulation sleeve is made of asbestos. The connecting seat is fixedly mounted on the cylinder. The gearbox is fixedly mounted on the top of the base plate. The motor is fixedly mounted on the top of the base plate. The mounting cylinder is fixedly mounted on the inner wall of the cylinder.
7. The mixing device for treating waste plastics and industrial waste as described in claim 6, characterized in that: The feeding assembly includes two material cylinders, two heating coils, two protective covers, two top plates, two round rods, two pulleys, a second motor, stirring rods, flaps, and two material level detectors. Both material cylinders are positioned above the base plate. The two heating coils are wound around the outer walls of the two material cylinders respectively. The two protective covers are fixedly installed on the outer walls of the two material cylinders respectively. The two top plates are fixedly installed on the tops of the two material cylinders respectively. The two round rods are rotatably mounted on the two top plates respectively. The two pulleys are fixedly installed on the tops of the two round rods respectively, and a transmission belt is sleeved between the two pulleys. The second motor is fixedly installed on the corresponding top plate, and the output end of the second motor is fixedly connected to the top of the corresponding round rod. The stirring rods are evenly distributed on the outer walls of the round rods, and the flaps are staggered on the stirring rods. The two material level detectors are fixedly installed on the two material cylinders respectively.
8. The mixing device for treating waste plastics and industrial waste as described in claim 7, characterized in that: The feeding assembly also includes two discharge cylinders, two screw rods, and two motors. The two discharge cylinders are respectively fixedly installed at the bottom of the two material cylinders and are interconnected. The discharge cylinders and material cylinders are both fixedly installed on the top of the base plate by a bracket. The two screw rods are respectively rotatably installed inside the two discharge cylinders. The two motors are respectively fixedly installed on the two discharge cylinders and are respectively fixedly connected to the two screw rods.
9. A processing technology for a mixed device for treating waste plastics and industrial waste, characterized in that, Includes the following steps: S1. Put waste plastic into one of the containers and industrial waste into the other. During the feeding process, observe the feeding amount through the material level detector to avoid overloading the container. Start motor two. Motor two drives the corresponding round rod to rotate. Through the pulley and transmission belt, it drives the other round rod to rotate synchronously. When the round rod rotates, it drives the stirring rod on the outer wall and the staggered flaps to rotate. The waste plastic and industrial waste in the two containers are stirred and turned separately to make the materials evenly distributed. At the same time, the preheating of the heating coil makes the moisture contained in the waste plastic and industrial waste evaporate and the temperature rises and softens them initially. The stirring time is adjusted according to the amount of material, generally 5-10 minutes. S2. After pre-mixing is completed, start the two motors three. The motors three drive the screw rod in the discharge cylinder to rotate, and transport the pre-mixed waste plastic and industrial waste in the two cylinders to the cylinder of the installation component, that is, the installation cylinder of the mixing component. Control the speed of the motors three to ensure that the two materials are transported synchronously and evenly, and the conveying volume matches the processing capacity of the mixing component. S3. Start motor one, whose power is adjusted by the gearbox to drive the rotating rod to rotate at a uniform speed. The outer spiral plate one pushes the material into the installation cylinder and squeezes it. When the material passes through the variable diameter cylinder with convex ends and different inner diameters, it is squeezed by the variable diameter to increase friction and generate heat. At the same time, the material's own 70-100 degrees Celsius drying residual heat improves the melting efficiency. The spirally arranged arc-shaped plates on the rotating rod push the material, cooperating with the first annular extrusion baffle to complete the extrusion and mixing; the diamond-shaped convex plates are arranged alternately with the second extrusion baffle to further enhance the extrusion heat generation and promote the full melting of waste plastic. The installation gap between the arc-shaped plates and the convex plates allows some material to leak backward and mix again with the material pushed behind, improving the mixing uniformity; the four cone-shaped, eccentrically installed cutting plates rotate with the rotating rod to cut and crush the material to prevent clumping, and finally the spiral plate pushes the molten and mixed material to the device outlet; S4. During the mixing process, observe the insulation effect of the insulation jacket to ensure stable temperature inside the device and avoid local overheating or insufficient temperature. Monitor the operating status of motor 1, motor 2, and motor 3, check the transmission of the gearbox, and ensure that the rotation speed of the rotating rod and screw is stable, without abnormal noise or jamming. Observe the remaining amount of material in the material cylinder through the material level detector and replenish the material in time (if continuous processing is required). S5. The mixed material is discharged through the outlet of the installation cylinder. The discharged mixture is collected and further processed according to subsequent uses (such as granulation, molding, etc.). After the material processing is completed, first turn off motor one and gearbox to stop the operation of the mixing component, then turn off motor two and motor three to stop the feeding and stirring of the feeding component, and finally turn off the heating coil and insulation jacket, and wait for the device to cool down to room temperature naturally.