Polyamide chip recycling and compounding device

Abstract

The application belongs to the technical field of recycling and compounding devices, and discloses a nylon chip recycling and compounding device, which comprises a storage chamber, a cooling box fixed to the top of the storage chamber, and a distillation box fixed to the top of the cooling box and used for distilling nylon chips, a feeding pipe fixed to the distillation box and communicating with the distillation box is arranged on the side wall of the distillation box, a heating mechanism is arranged on the distillation box, a partition plate is arranged in the distillation box, a discharging assembly is arranged on the distillation box, a stirring mechanism used for improving the heating uniformity of the nylon chips is arranged on the distillation box, the stirring mechanism comprises a stirring assembly, the stirring assembly comprises a stirring column penetrating through the top of the distillation box and being rotationally connected, and stirring blades are arranged on the side wall of the stirring column, and the stirring mechanism further comprises a driving assembly and a transmission assembly. According to the application, the stirring mechanism is arranged, so that the situation that the melting speed of the wool nylon chips is reduced due to the accumulation and placement of the wool nylon chips is avoided, and the recycling and compounding efficiency of the nylon chips is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of recycling and compounding devices, and in particular to a nylon chip recycling and compounding device. Background Technology

[0002] Nylon is a synthetic fiber that pollutes the environment if discarded directly. Through recycling and blending, waste nylon chips can be reused, reducing the need for landfills and incineration, thus mitigating environmental pollution. Recycled and blended nylon chips can replace some virgin materials, reducing reliance on virgin materials and lowering raw material costs. Furthermore, continuous advancements in recycling and blending technology have led to recycled materials reaching or even surpassing the quality of virgin materials, further enhancing their economic value.

[0003] Chinese utility model patent CN215087022U discloses a nylon chip recycling and compounding device, including a tank. A partition is fixedly connected inside the tank, and a primary distillation chamber, a secondary distillation chamber, and a tertiary distillation chamber are fixedly connected to the top of the partition. A feed pipe and a chain segment control agent PTA pipe are inserted into the top of the primary distillation chamber. A first connecting gas pipe is provided at the top of the primary distillation chamber. A gas supply pipe is opened on the outer surface of the primary distillation chamber on the side away from the secondary distillation chamber. A third connecting gas pipe is provided at the top of the secondary distillation chamber. Two connecting gas pipes are provided. A second liquid delivery pump is installed on the side of the primary distillation chamber away from the gas delivery pipe. A second liquid delivery pump is installed between the primary distillation chamber and the secondary distillation chamber through a pipe. A third liquid delivery pump is installed between the secondary distillation chamber and the tertiary distillation chamber through a pipe. A crystallization chamber is provided at the bottom of the partition. A fourth liquid delivery pump is installed between the tertiary distillation chamber and the crystallization chamber through a pipe. A condensing device is installed on the outer surface of the crystallization chamber on the side of the gas delivery pipe through a pipe. A first feed pump is installed on the side of the crystallization chamber away from the condensing device through a pipe.

[0004] Regarding the aforementioned technologies, the inventors believe that the following defects exist: During the distillation process of nylon products, heated air is injected into the distillation chamber to heat and melt the nylon chips stacked inside. Due to the low thermal conductivity of nylon chips, the heat transfer between the chips is slow. Furthermore, since the nylon chips are in a static state, convection is almost non-existent. This means that heat transfer mainly relies on thermal conduction for melting, which reduces the melting speed of the nylon chips and the recycling and blending efficiency of the nylon chips. Utility Model Content

[0005] To address the aforementioned problems, this invention provides a nylon chip recycling and compounding device.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a nylon chip recycling and compounding device, comprising a storage chamber, a cooling box fixed to the top of the storage chamber, and a distillation box fixed to the top of the cooling box for distilling the nylon chips. A feed pipe fixed to and connected to the distillation box is provided on the side wall of the distillation box. A heating mechanism for heating the nylon chips is provided on the distillation box. A partition is provided inside the distillation box. A discharge assembly for discharging the nylon chip liquid formed after distillation is provided on the distillation box. A stirring mechanism for improving the heating uniformity of the nylon chips is provided on the distillation box. The stirring mechanism includes a stirring component, which includes a stirring column rotatably connected to and extending through the top of the distillation box, and stirring blades provided on the side wall of the stirring column. The stirring mechanism also includes a drive component for driving the stirring column to rotate and a transmission component for driving the stirring blades to tumble.

[0007] By adopting the above technical solution, during the distillation of nylon products, the nylon products and chain segment control agent PTA are first injected into the distillation tank through the feed pipe. Then, the distillation tank is heated by the heating mechanism. At this time, the driving component drives the stirring column to rotate the stirring blades, and the transmission component causes the stirring blades to flip, thereby agitating and moving the nylon products in the distillation tank. The nylon products in motion are heated more evenly, avoiding the situation where the melting rate of nylon chips is reduced due to the accumulation of nylon chips, and improving the recycling and compounding efficiency of nylon chips.

[0008] Furthermore, the drive assembly includes a mounting plate fixed to the top of the distillation tank, a rotating rod rotatably mounted on the top of the distillation tank, a drive gear fixedly sleeved on the rotating rod, a stirring motor fixed to the mounting plate and driving the rotating rod to rotate, and a driven gear fixedly sleeved on the stirring column and meshing with the drive gear.

[0009] By adopting the above technical solution, during the stirring process of nylon chips, the stirring motor drives the rotating rod to rotate, thereby causing the driving gear fixedly sleeved on the rotating rod, the driven gear meshing with the driving gear, and the stirring column connected to the driven gear to rotate, so as to stir and heat the nylon chips, thereby improving the melting speed of the nylon chips.

[0010] Furthermore, the stirring column is a cylindrical structure, and the lower end of the stirring column is rotatably connected to the bottom wall of the distillation tank. A drive shaft is fixed at one end of the stirring blade near the axis of the stirring column. The drive shaft passes through the side wall of the stirring column and is rotatably connected. The transmission assembly includes a mounting rod fixed to the bottom wall of the distillation tank and located inside the stirring column, a driving bevel gear fixedly sleeved on the mounting rod and located inside the stirring column, and a driven bevel gear fixedly sleeved on the drive shaft and meshing with the driving bevel gear.

[0011] By adopting the above technical solution, when the stirring column rotates and drives the stirring blade to rotate, since the mounting rod is fixed on the inner bottom wall of the distillation tank and located inside the stirring column, the active bevel gear fixed on the mounting rod and located inside the stirring column, as well as the driven bevel gear meshing with the active bevel gear, both rotate, thereby realizing the stirring blade flipping to stir the nylon chips.

[0012] Furthermore, the partition is provided with a support assembly for connecting the partition to the distillation tank. The support assembly includes a support unit, and two sets of support units are provided and symmetrically distributed about the center of the partition. The support unit includes a fixed plate fixed to the inner side wall of the distillation tank and located below the partition, a connecting rod fixed to the top of the fixed plate, a limiting block fixed to the upper end of the connecting rod, and a support spring sleeved on the connecting rod and fixed between the top of the fixed plate and the bottom of the partition. The connecting rod passes through the partition and slides with the partition.

[0013] By adopting the above technical solution, during the rotation of the stirring blade, the stirring blade will contact the top of the baffle, allowing the stirring blade to fully contact the nylon chips, thereby improving the stirring effect. During the contact between the stirring blade and the baffle, the baffle is subjected to force and moves towards the fixed plate, thereby causing the support spring to be subjected to force and gradually contract, reducing the force when the stirring blade contacts the baffle, and playing a good buffering role.

[0014] Furthermore, an activated carbon filter is fixed to the top of the cooling box, and the air inlet of the activated carbon filter is fixed and connected to the distillation box through an air inlet pipe.

[0015] By adopting the above technical solution, during the distillation of nylon chips, the harmful gases generated are discharged into the activated carbon filter along with the air through the air inlet pipe, and the activated carbon filter filters out the harmful gases. Then, the activated carbon filter discharges clean air through its output end, which increases the environmental protection effect.

[0016] Furthermore, the discharge assembly includes a suction pump fixed to the side wall of the distillation tank, a suction pipe fixed to and connected to the inlet of the suction pump, and a discharge pipe fixed to and connected to the outlet of the suction pump. The suction pipe is fixed to and connected to the side wall of the distillation tank, and the discharge pipe is fixed to and connected to the side wall of the cooling tank.

[0017] By adopting the above technical solution, after the suction pump is working, it extracts the nylon chip liquid generated in the distillation tank through the suction pipe, and discharges it into the cooling tank through the discharge pipe for cooling, so as to facilitate the subsequent forming and slicing operation.

[0018] Furthermore, the cross-section of the top of the partition is V-shaped, and the suction end of the suction pipe is located at the junction of the V-shape at the top of the partition.

[0019] By adopting the above technical solution, it is ensured that the liquid from the nylon chips is fully discharged from the distillation tank.

[0020] Furthermore, the heating mechanism includes an air heater fixed to the side wall of the storage chamber. The input end of the air heater is connected to an air source via an air pump. The heating mechanism also includes an air supply pipe fixed to and connected to the output end of the air heater. The end of the air supply pipe away from the air heater is fixed to and connected to the side wall of the distillation tank.

[0021] By adopting the above technical solution, after the gas pump starts working, it discharges the gas from the gas source into the air heater. The air heater heats the air and then discharges it into the distillation tank through the gas supply pipe, ensuring normal melting operation.

[0022] In summary, the present invention has the following beneficial effects: In this application, by setting a stirring mechanism, the stirring blades can stir the heated nylon chips, thereby making the nylon chips move, avoiding the situation where the melting speed of the nylon chips is reduced due to the accumulation of nylon chips, and improving the recycling and compounding efficiency of nylon chips. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0024] Figure 2 yes Figure 1 The main view in the middle;

[0025] Figure 3 This is a cross-sectional schematic diagram of an embodiment of the present invention used to highlight the internal structure of the distillation tank;

[0026] Figure 4 yes Figure 3 The main view in the middle;

[0027] Figure 5 yes Figure 4 Enlarged view of point A in the middle;

[0028] Figure 6 yes Figure 4 Enlarged diagram of point B in the middle.

[0029] In the diagram: 1. Storage chamber; 2. Cooling box; 3. Distillation box; 4. Feed pipe; 5. Heating mechanism; 51. Air heater; 52. Air supply pipe; 6. Baffle; 7. Discharge assembly; 71. Suction pump; 72. Suction pipe; 73. Discharge pipe; 8. Stirring mechanism; 81. Stirring assembly; 811. Stirring column; 812. Stirring blade; 82. Drive assembly; 821. Mounting plate; 822. Rotating rod; 823. Drive gear; 824. Stirring motor; 825. Driven gear; 83. Transmission assembly; 831. Mounting rod; 832. Driven bevel gear; 833. Driven bevel gear; 9. Drive shaft; 10. Support assembly; 101. Support unit; 1011. Fixing plate; 1012. Connecting rod; 1013. Limiting block; 1014. Support spring; 11. Activated carbon filter; 12. Air inlet pipe. Detailed Implementation

[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0031] like Figure 1-6 As shown in the figure, this application discloses a nylon chip recycling and compounding device, including a storage chamber 1, a cooling box 2, a distillation box 3, a heating mechanism 5, a discharge assembly 7, a stirring mechanism 8, and a support assembly 10. The cooling box 2 is equipped with a SAC-25 / 25D refrigerator (not shown in the figure). The working principle and cooling method of the refrigerator are existing technologies and require no further explanation. The cooling box 2 is fixed to the top of the storage chamber 1, and the distillation box 3 is fixed to the top of the cooling box 2 and used for distilling the nylon chips. A feed pipe 4 is provided on the side wall of the distillation box 3, which is fixed to and communicates with the distillation box 3. A partition 6 is provided inside the distillation box 3.

[0032] Heating mechanism 5 is mounted on distillation tank 3 and is used to heat nylon chips. Heating mechanism 5 includes air heater 51 and air supply pipe 52. Air heater 51 is model SRZ-15×10(D), and its specific heating method and principle are existing technologies and do not require further explanation. Air heater 51 is fixed to the side wall of storage chamber 1. The input end of air heater 51 is connected to air source via air pump, and air supply pipe 52 is fixed and connected to the output end of air heater 51. The end of air supply pipe 52 away from air heater 51 is fixed and connected to the side wall of distillation tank 3.

[0033] The discharge assembly 7 is installed on the distillation tank 3 and is used to discharge the nylon chip liquid formed after distillation. The discharge assembly 7 includes a suction pump 71, a suction pipe 72, and a discharge pipe 73. The suction pump 71 is fixed to the side wall of the distillation tank 3, and the suction pipe 72 is fixed to and connected to the inlet of the suction pump 71. The suction pipe 72 is fixed to and connected to the side wall of the distillation tank 3, and the discharge pipe 73 is fixed to and connected to the outlet of the suction pump 71, and the discharge pipe 73 is fixed to and connected to the side wall of the cooling tank 2.

[0034] The stirring mechanism 8 is mounted on the distillation tank 3 and is used to improve the heating uniformity of the nylon chips. The stirring mechanism 8 includes a stirring assembly 81, a driving assembly 82, and a transmission assembly 83.

[0035] The stirring assembly 81 includes a stirring column 811 and stirring blades 812. The stirring column 811 is rotatably connected to the top of the distillation tank 3. The stirring column 811 has a cylindrical structure, and its lower end is rotatably connected to the bottom wall of the distillation tank 3. The stirring blades 812 are disposed on the side wall of the stirring column 811, and a drive shaft 9 is fixed to one end of the stirring blade 812 near the axis of the stirring column 811. The drive shaft 9 passes through the side wall of the stirring column 811 and is rotatably connected.

[0036] The drive assembly 82 is used to drive the stirring column 811 to rotate. The drive assembly 82 includes a mounting plate 821, a rotating rod 822, a driving gear 823, a stirring motor 824, and a driven gear 825. The mounting plate 821 is fixed to the top of the distillation tank 3, and the rotating rod 822 is rotatably mounted on the top of the distillation tank 3. The driving gear 823 is fixedly sleeved on the rotating rod 822, and the stirring motor 824 is fixed to the mounting plate 821 and drives the rotating rod 822 to rotate. The driven gear 825 is fixedly sleeved on the stirring column 811, and the driven gear 825 meshes with the driving gear 823.

[0037] The transmission assembly 83 is used to drive the stirring blade 812 to rotate. The transmission assembly 83 includes a mounting rod 831, a driving bevel gear 832, and a driven bevel gear 833. The mounting plate 821 is fixed to the inner bottom wall of the distillation tank 3 and located inside the stirring column 811. The driving bevel gear 832 is fixedly sleeved on the mounting rod 831 and located inside the stirring column 811. The driven bevel gear 833 is fixedly sleeved on the transmission shaft 9, and the driven bevel gear 833 meshes with the driving bevel gear 832.

[0038] During the distillation of nylon products, the nylon products and chain segment control agent PTA are first injected into the distillation tank 3 through the feed pipe 4. Then, after the air pump starts working, the gas from the gas source is discharged into the air heater 51. The air heater 51 heats the air and then discharges it into the distillation tank 3 through the air supply pipe 52 to heat the nylon products and chain segment control agent PTA. At this time, the stirring motor 824 starts working and drives the rotating rod 822 to rotate, thereby causing the driving gear 823 fixedly sleeved on the rotating rod 822, the driven gear 825 meshing with the driving gear 823, the stirring column 811 connected to the driven gear 825, and the stirring column 811 fixedly sleeved on the mounting rod to rotate. The active bevel gear 832 located on the stirring column 811 and the driven bevel gear 833 meshing with the active bevel gear 832 both rotate, which realizes the rotation of the stirring blade 812 in two directions and stirs the nylon chips. After the distillation is completed, the suction pump 71 works to extract the nylon chip liquid generated in the distillation tank 3 through the suction pipe 72 and discharge it into the cooling tank 2 through the discharge pipe 73 for cooling, so as to facilitate the subsequent forming and chipping operation. The nylon product in motion is heated more evenly, avoiding the situation where the melting speed of nylon chips is reduced due to the accumulation of nylon chips, and improving the recycling and compounding efficiency of nylon chips.

[0039] A support assembly 10 is disposed on the partition 6 and is used to connect the partition 6 to the distillation tank 3. The support assembly 10 includes two sets of support units 101, which are symmetrically distributed about the center of the partition 6. Each support unit includes a fixed plate 1011, a connecting rod 1012, a limiting block 1013, and a support spring 1014. The fixed plate 1011 is fixed to the inner wall of the distillation tank 3 and is located below the partition 6. The connecting rod 1012 is fixed to the top of the fixed plate 1011 and passes through the partition 6, slidingly engaging with the partition 6. The limiting block 1013 is fixed to the upper end of the connecting rod 1012, and the support spring 1014 is sleeved on the connecting rod 1012 and fixed between the top of the fixed plate 1011 and the bottom of the partition 6.

[0040] During the rotation of the stirring blade 812, it comes into contact with the top of the partition plate 6, allowing the stirring blade 812 to fully contact the nylon chips, thereby improving the stirring effect. During the contact between the stirring blade 812 and the partition plate 6, the partition plate 6 is subjected to force and moves towards the fixed plate 1011, causing the support spring 1014 to be subjected to force and gradually contract, reducing the force when the stirring blade 812 contacts the partition plate 6, thus providing a good buffering effect.

[0041] An activated carbon filter 11 is fixed on the top of the cooling box 2. The air inlet of the activated carbon filter 11 is fixed and connected to the distillation box 3 through an air inlet pipe 12. The activated carbon filter 11 is model HACH2412-4V. Its specific filtration method and principle are existing technologies and do not need to be introduced in detail.

[0042] During the distillation of nylon chips, the harmful gases produced are discharged into the activated carbon filter 11 along with the air through the air inlet pipe 12. The activated carbon filter 11 filters the harmful gases and then discharges clean air through its outlet, thus increasing the environmental protection effect.

[0043] The top cross-section of the partition 6 is V-shaped, and the suction end of the suction pipe 72 is located at the junction of the V-shape at the top of the partition 6. This ensures that the liquid from the nylon chips is fully discharged from the distillation tank 3.

[0044] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A nylon chip recycling and compounding device, comprising a storage chamber (1), a cooling box (2) fixed to the top of the storage chamber (1), and a distillation box (3) fixed to the top of the cooling box (2) for distilling the nylon chips, wherein a feed pipe (4) is provided on the side wall of the distillation box (3) and is fixed to and communicates with the distillation box (3), and a heating mechanism (5) for heating the nylon chips is provided on the distillation box (3), characterized in that: The distillation tank (3) is equipped with a partition (6) inside. The distillation tank (3) is equipped with a discharge assembly (7) for discharging the liquid formed after distillation. The distillation tank (3) is equipped with a stirring mechanism (8) for improving the heating uniformity of the nylon chips. The stirring mechanism (8) includes a stirring component (81). The stirring component (81) includes a stirring column (811) that runs through the top of the distillation tank (3) and is rotatably connected to it, and stirring blades (812) that are disposed on the side wall of the stirring column (811). The stirring mechanism (8) also includes a drive assembly (82) for driving the stirring column (811) to rotate and a transmission assembly (83) for driving the stirring blades (812) to turn.

2. The nylon chip recycling and compounding device according to claim 1, characterized in that: The drive assembly (82) includes a mounting plate (821) fixed to the top of the distillation tank (3), a rotating rod (822) rotatably mounted on the top of the distillation tank (3), a drive gear (823) fixedly sleeved on the rotating rod (822), a stirring motor (824) fixed to the mounting plate (821) and driving the rotating rod (822) to rotate, and a driven gear (825) fixedly sleeved on the stirring column (811) and meshing with the drive gear (823).

3. The nylon chip recycling and compounding device according to claim 1, characterized in that: The stirring column (811) is a cylindrical structure. The lower end of the stirring column (811) is rotatably connected to the inner bottom wall of the distillation tank (3). The stirring blade (812) is fixed with a drive shaft (9) at one end near the axis of the stirring column (811). The drive shaft (9) passes through the side wall of the stirring column (811) and is rotatably connected. The transmission assembly (83) includes a mounting rod (831) fixed on the inner bottom wall of the distillation tank (3) and located in the stirring column (811), a driving bevel gear (832) fixedly sleeved on the mounting rod (831) and located in the stirring column (811), and a driven bevel gear (833) fixedly sleeved on the drive shaft (9) and meshing with the driving bevel gear (832).

4. The nylon chip recycling and compounding device according to claim 1, characterized in that: The partition (6) is provided with a support assembly (10) for connecting the partition (6) and the distillation tank (3). The support assembly (10) includes a support unit (101). The support unit (101) is provided in two sets and is symmetrically distributed about the center of the partition (6). The support unit (101) includes a fixing plate (1011) fixed to the inner side wall of the distillation tank (3) and located below the partition (6), a connecting rod (1012) fixed to the top of the fixing plate (1011), a limiting block (1013) fixed to the upper end of the connecting rod (1012), and a support spring (1014) sleeved on the connecting rod (1012) and fixed between the top of the fixing plate (1011) and the bottom of the partition (6). The connecting rod (1012) passes through the partition (6) and slides with the partition (6).

5. The nylon chip recycling and compounding device according to claim 1, characterized in that: An activated carbon filter (11) is fixed to the top of the cooling box (2), and the air inlet of the activated carbon filter (11) is fixed and connected to the distillation box (3) through an air inlet pipe (12).

6. The nylon chip recycling and compounding device according to claim 1, characterized in that: The discharge assembly (7) includes a suction pump (71) fixed to the side wall of the distillation tank (3), a suction pipe (72) fixed to and connected to the inlet of the suction pump (71), and a discharge pipe (73) fixed to and connected to the outlet of the suction pump (71). The suction pipe (72) is fixed to and connected to the side wall of the distillation tank (3), and the discharge pipe (73) is fixed to and connected to the side wall of the cooling tank (2).

7. A nylon chip recycling and compounding device according to claim 6, characterized in that: The top of the partition (6) has a "V" shaped cross-section, and the suction end of the suction pipe (72) is located at the "V" shaped junction at the top of the partition (6).

8. The nylon chip recycling and compounding device according to claim 1, characterized in that: The heating mechanism (5) includes an air heater (51) fixed to the side wall of the storage chamber (1). The input end of the air heater (51) is connected to an air source via an air pump. The heating mechanism (5) also includes an air supply pipe (52) fixed to and connected to the output end of the air heater (51). The end of the air supply pipe (52) away from the air heater (51) is fixed to and connected to the side wall of the distillation tank (3).

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