Polyolefin separation and recovery device

By adjusting the filter screen angle and using a rotating spiral tube, the problem of polyolefin extrusion in the polyolefin separation and recovery device was solved, achieving efficient separation and recovery of polyolefins.

CN223668740UActive Publication Date: 2025-12-16GUANGZHOU YANK HIGH CHEM CO LTD
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Patent Information

Application Number
CN202422624956.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-12-16
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing polyolefin separation and recovery devices are prone to compression when the amount of polyolefin added is too large, resulting in the direct discharge of incompletely filtered polyolefin, which affects the separation and recovery efficiency.

Method used

By adjusting the fastening bolts outside the filter box to change the angle of the first filter screen, the retention time of polyolefin on the filter screen is extended. Combined with the rotation of the spiral tube and the use of the secondary filter screen, the separation efficiency is improved.

Benefits of technology

It improves the initial and secondary separation efficiency of polyolefins, enhances the filtration effect of polyolefins, and improves the overall separation and recovery efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polyolefin, and discloses a polyolefin separation and recovery device which comprises a filter box, a partition plate is fixedly connected to the interior of the filter box, and the interior of the filter box is divided into a first conveying pipe and a second conveying pipe by the partition plate. The lower part of the filter box is fixedly connected with a first polyolefin conveying groove at the lower end of the first conveying pipe, the lower part of the filter box is fixedly connected with a second polyolefin conveying groove at the lower part of the second conveying pipe, and one side of the upper part of the filter box is movably sleeved with a first filter screen. According to the polyolefin separation and recovery device, a second polyolefin conveying groove drives preliminarily filtered polyolefin to be conveyed into a secondary filtering box, meanwhile, a motor installed outside a spiral pipe is started, the spiral pipe drives the polyolefin to be conveyed to the other end, and in the rotating process of the spiral pipe, the polyolefin can be driven to be stirred, so that the polyolefin separation and recovery efficiency is improved. The secondary separation efficiency of the polyolefin is improved, and the secondary filtering efficiency of the second filter screen on the polyolefin is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of polyolefin, specifically is a polyolefin separation and recovery device. BACKGROUND

[0002] Polyolefin usually refers to a kind of thermoplastic resin collectively by ethylene, propylene, 1-butene, 1-pentene, 1-hexene, 1-octene, 4-methyl-1-pentene and some cyclic olefin α-olefin polymerization or copolymerization, polyolefin device powder resin will produce block in production, degassing process, large block is cut into pieces by the crushing mechanism in the lower part of degassing bin, then block and powder are separated by powder vibrating screen selection mechanism, the powder after separation enters powder discharge tank and is granulated, the block after separation directly falls into waste collection box and is sold as waste, so polyolefin needs to be separated and treated during production.

[0003] And in the polyolefin separation and recovery device, the polyolefin is crushed by the crushing device, and the polyolefin of different sizes is separated and treated in turn by using the separation filter device, but the filter device is prepared with a certain slope, when the polyolefin passes through the slope, the polyolefin slides to the other side, and the polyolefin is separated by the filter screen, but when the polyolefin is put in too much, the polyolefin will be extruded when filtering, so that the upper polyolefin is not completely filtered and directly discharged, which will affect the polyolefin separation and recovery efficiency, therefore we provide a polyolefin separation and recovery device. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of the existing polyolefin separation and recovery device, the utility model provides a polyolefin separation and recovery device, which has the advantages that the position of the fastening bolt outside the filter box can be adjusted, the angle of the first filter screen as a whole can be adjusted, the adjustable time of the polyolefin on the upper part of the first filter screen can be changed by changing the angle of the first filter screen, the reserved time of the polyolefin on the upper end of the first filter screen can be improved, and the separation efficiency is improved, which solves the problems in the above background art.

[0005] The utility model provides following technical scheme: a kind of polyolefin separation and recovery device, including filter box, the inside fixed connection of filter box has partition, the partition is separated into first conveying pipe and second conveying pipe in filter box, first polyolefin conveying groove is fixedly connected with the lower end of first conveying pipe simultaneously in the lower part of filter box, second polyolefin conveying groove is fixedly connected with the lower part of second conveying pipe simultaneously in the lower part of filter box, first filter screen is movably sleeved in the side of the upper part of filter box, fastening bolt is installed in the outside of first filter screen, the lower end of second polyolefin conveying groove is fixedly connected with secondary filter box, second filter screen is installed in the lower part of secondary filter box, spiral pipe is movably sleeved in the inside of secondary filter box, concentrated conveying groove is fixedly connected with the lower part of secondary filter box, waste discharge pipe is installed in the end of secondary filter box, the lower end of concentrated conveying groove is fixedly connected with third conveying pipe.

[0006] Preferably, the end of the first filter screen is arranged inside the upper end of the second conveying pipe, and the first conveying pipe and the second conveying pipe are in communication with each other between the first polyolefin conveying groove and the second polyolefin conveying groove in sequence.

[0007] Preferably, the first polyolefin conveying groove and the third conveying pipe are in communication, and the lower ends of the first polyolefin conveying groove and the third conveying pipe are provided with a material collecting box.

[0008] Preferably, the filter box is provided with an arc-shaped groove outside, and the fastening bolt passes through the inside of the arc-shaped groove.

[0009] Preferably, the secondary filter box is arranged in an inclined manner at the lower part of the filter box, one end of the spiral pipe is provided with a motor, and the spiral blades installed outside the spiral pipe are attached to the inner wall of the secondary filter box.

[0010] Preferably, a hole is formed in the inside of the lower end of the second filter screen, and the second filter screen and the concentrated conveying groove are in communication with each other.

[0011] Preferably, the waste discharge pipe is arranged at the front end of the secondary filter box, and the two sides of the waste discharge pipe are arranged in an inclined downward state.

[0012] Compared with the existing polyolefin separation and recovery device, the utility model has the following beneficial effects:

[0013] 1. The polyolefin separation and recovery device, the first filter screen is arranged at the upper portion of the filter box, the position of the fastening bolt outside the filter box is adjusted, then the angle of the first filter screen as a whole can be adjusted, the initially crushed polyolefin is separated, the small particle polyolefin is conveyed to the inside of the first conveying pipe after being filtered through the first filter screen, the outside of the first filter screen is provided with a slope, the polyolefin which is not separated and treated can be discharged to the other side through the slope, then the polyolefin filtering time can be adjusted by adjusting the angle of the first filter screen, and the separation efficiency of the polyolefin is improved.

[0014] 2. The polyolefin separation and recovery device, the second polyolefin conveying groove conveys the initially filtered polyolefin to the inside of the secondary filter box, the motor installed outside the spiral pipe is started, the spiral pipe conveys the polyolefin to the other end, the polyolefin is stirred in the process of rotation of the spiral pipe, the secondary separation efficiency of the polyolefin is improved, and the secondary filtering efficiency of the second filter screen on the polyolefin is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the main sectional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the local sectional structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the enlarged structure of the A place of the utility model;

[0019] Figure 5 It is a schematic diagram of the enlarged structure of the B place of the utility model.

[0020] In the drawing: 1, filter box; 2, partition plate; 3, first conveying pipe; 4, second conveying pipe; 5, first filter screen; 6, fastening bolt; 7, first polyolefin conveying groove; 8, second polyolefin conveying groove; 9, secondary filter box; 10, second filter screen; 11, spiral pipe; 12, concentrated conveying groove; 13, waste discharge pipe; 14, third conveying pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figure 1、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 A polyolefin separation and recovery device, comprising a filter box 1, a partition plate 2 is fixedly connected in the inside of the filter box 1, the inside of the filter box 1 is separated into two areas by the partition plate 2, the inside of the filter box 1 is separated into a first conveying pipe 3 and a second conveying pipe 4 by the partition plate 2, the first conveying pipe 3 discharges the separated polyolefin, and the second conveying pipe 4 recycles the separated polyolefin waste, a first polyolefin conveying groove 7 is fixedly connected to the lower end of the first conveying pipe 3 at the lower part of the filter box 1, the first polyolefin conveying groove 7 discharges the polyolefin, a second polyolefin conveying groove 8 is fixedly connected to the lower part of the second conveying pipe 4 at the lower part of the filter box 1, a first filter screen 5 is movably sleeved to one side of the upper part of the filter box 1, the first filter screen 5 filters and separates the polyolefin, fastening bolts 6 are installed outside the first filter screen 5, the angle of the fastening bolts 6 is adjusted, and then the overall angle of the first filter screen 5 is controlled and adjusted, a secondary filter box 9 is fixedly connected to the lower end of the second polyolefin conveying groove 8, a second filter screen 10 is installed at the lower part of the secondary filter box 9, a spiral pipe 11 is movably sleeved in the inside of the secondary filter box 9, when the spiral pipe 11 rotates, the spiral pipe 11 conveys the polyolefin to the other end, a concentrated conveying groove 12 is fixedly connected to the lower part of the secondary filter box 9, the concentrated conveying groove 12 concentrates and collects the secondarily separated polyolefin, a waste discharge pipe 13 is installed at the end of the secondary filter box 9, and a third conveying pipe 14 is fixedly connected to the lower end of the concentrated conveying groove 12.

[0023] Please refer to Figure 2 , the end of the first filter screen 5 is arranged in the inside of the upper end of the second conveying pipe 4, the first conveying pipe 3 and the second conveying pipe 4 are in communication with the first polyolefin conveying groove 7 and the second polyolefin conveying groove 8 in sequence, the partition plate 2 is arranged in the inside of the filter box 1, after the inside of the filter box 1 is separated into two areas by the partition plate 2, the first filter screen 5 filters and separates the polyolefin, the polyolefin small particles can be conveyed to the inside of the first conveying pipe 3, and the waste is discharged downward through the second conveying pipe 4 for treatment.

[0024] Please refer to Figure 2 , the first polyolefin conveying groove 7 and the third conveying pipe 14 are in communication, a material collecting box is installed at the lower end of the first polyolefin conveying groove 7 and the third conveying pipe 14, the pipes in communication are arranged in the inside of the material collecting box, and then the polyolefin can be synchronously collected and treated.

[0025] Please refer to Figure 4, the outer part of the filter box 1 is provided with an arc-shaped groove, and the fastening bolt 6 passes through the inside of the arc-shaped groove. By adjusting the position of the fastening bolt 6 on the side of the filter box 1, the angle of the end of the first filter screen 5 can be adjusted. By changing the angle of the first filter screen 5 and placing the polyolefin on the upper part of the first filter screen 5, the efficiency of the polyolefin discharged to the other side can be adjusted. Thus, the reserved time of the polyolefin on the upper part of the first filter screen 5 can be increased, and the separation efficiency of the equipment can be improved.

[0026] Please refer to Figure 5 , the secondary filter box 9 is placed in an inclined manner at the lower part of the filter box 1. One end of the spiral pipe 11 is provided with a motor, and the spiral blades installed outside the spiral pipe 11 are attached to the inner wall of the secondary filter box 9. The second polyolefin conveying groove 8 drives the polyolefin to be conveyed to the inside of the secondary filter box 9. At the same time, the motor installed outside the spiral pipe 11 is started. The motor drives the spiral pipe 11 to rotate. The spiral pipe 11 controls the polyolefin to move to the other end. Since the secondary filter box 9 is in an inclined state, the efficiency of the polyolefin discharged to the other end is improved.

[0027] Please refer to Figure 5 , the inside of the lower end of the second filter screen 10 is provided with a hole, and the second filter screen 10 is in communication with the concentrated conveying groove 12. The second filter screen 10 is installed at the lower end of the secondary filter box 9. The preliminarily separated polyolefin is placed in the inside of the second filter screen 10. The second filter screen 10 drives the polyolefin to be filtered again. The filtered polyolefin can be conveyed to the inside of the concentrated conveying groove 12. Thus, the secondary separation efficiency of the polyolefin is improved.

[0028] Please refer to Figure 3 , the waste discharge pipe 13 is arranged at the front end of the secondary filter box 9. The two sides of the waste discharge pipe 13 are arranged in an inclined downward state. The waste discharge pipe 13 is installed at the front end of the secondary filter box 9. The secondary filter box 9 drives the polyolefin to be conveyed. The separated polyolefin is conveyed to the inside of the waste discharge pipe 13. The two sides of the waste discharge pipe 13 contain inclined surfaces. Thus, the separated polyolefin waste can be conveniently collected, and the polyolefin separation and recovery efficiency is improved.

[0029] Working principle: when in use, the polyolefin raw material is crushed. The crushed polyolefin can be conveyed to one end of the first filter screen 5. The first filter screen 5 filters the polyolefin. Small particle polyolefin can be discharged through the first polyolefin conveying groove 7. The preliminarily separated polyolefin is conveyed to the inside of the second polyolefin conveying groove 8. The polyolefin is conveyed to the inside of the secondary filter box 9. The spiral pipe 11 is started. The spiral pipe 11 drives the polyolefin to rotate and push the polyolefin to move to the other end. The second filter screen 10 separates the polyolefin again. Thus, the polyolefin separation effect is improved.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A polyolefin separation and recovery device, comprising a filter box (1), the inside of the filter box (1) is fixedly connected with a partition plate (2), the partition plate (2) separates the inside of the filter box (1) into a first conveying pipe (3) and a second conveying pipe (4), the lower part of the filter box (1) is fixedly connected with a first polyolefin conveying groove (7) at the lower end of the first conveying pipe (3), and the lower part of the filter box (1) is fixedly connected with a second polyolefin conveying groove (8) at the lower part of the second conveying pipe (4), characterized in that: The upper side of the filter box (1) is movably sleeved with a first filter screen (5), the outer portion of the first filter screen (5) is provided with a fastening bolt (6), the lower end of the second polyolefin conveying groove (8) is fixedly connected with a secondary filter box (9), the lower portion of the secondary filter box (9) is provided with a second filter screen (10), the inner portion of the secondary filter box (9) is movably sleeved with a spiral pipe (11), the lower portion of the secondary filter box (9) is fixedly connected with a concentrated conveying groove (12), the end portion of the secondary filter box (9) is provided with a waste discharge pipe (13), and the lower end of the concentrated conveying groove (12) is fixedly connected with a third conveying pipe (14).

2. The polyolefin separation and recovery apparatus according to claim 1, characterized by: The end portion of the first filter screen (5) is arranged in the inner portion of the upper end of the second conveying pipe (4), and the first conveying pipe (3) and the second conveying pipe (4) are sequentially communicated with the first polyolefin conveying groove (7) and the second polyolefin conveying groove (8).

3. The polyolefin separation and recovery apparatus according to claim 1, wherein: The first polyolefin conveying groove (7) and the third conveying pipe (14) are communicated, and the lower ends of the first polyolefin conveying groove (7) and the third conveying pipe (14) are provided with a material collecting box.

4. The polyolefin separation and recovery apparatus according to claim 1, wherein: The outer portion of the filter box (1) is provided with an arc-shaped groove, and the fastening bolt (6) passes through the inner portion of the arc-shaped groove.

5. The polyolefin separation and recovery apparatus according to claim 1, wherein: The secondary filter box (9) is arranged in an inclined manner at the lower portion of the filter box (1), one end of the spiral pipe (11) is provided with a motor, and the spiral blades arranged on the outer portion of the spiral pipe (11) are attached to the inner wall of the secondary filter box (9).

6. The polyolefin separation and recovery apparatus according to claim 1, wherein: The inner portion of the lower end of the second filter screen (10) is provided with a hole, and the second filter screen (10) and the concentrated conveying groove (12) are communicated.

7. The polyolefin separation and recovery apparatus according to claim 1, wherein: The waste discharge pipe (13) is arranged at the front end of the secondary filter box (9), and the two sides of the waste discharge pipe (13) are arranged in an inclined downward state.