CN213353093U

CN213353093U - Recovery unit of polyamide class marine plastic

Info

Publication number: CN213353093U
Application number: CN202021452467.7U
Authority: CN
Inventors: 胡鹏岩
Original assignee: Lianyungang Jinnuo New Material Co ltd
Current assignee: Lianyungang Jinnuo New Material Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-06-04
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a recovery unit of polyamide class ocean plastics, including superhigh pressure washing device, breaker, density sorting unit, two rank screw extruder and water-cooling pelleter, breaker links to each other with superhigh pressure washing device, density sorting unit respectively, and two rank screw extruder links to each other with density sorting unit, water-cooling pelleter respectively. The complete set of recovery equipment configured by the utility model is the most efficient production equipment and process integration scheme at present, can crush, sort, clean and granulate polyamide ocean plastics, effectively improve the yield and quality of ocean plastics recovery, and lay a foundation for the high-valued utilization of ocean plastics; meanwhile, the consumption of manpower, water and electricity is low, and the energy is saved and the environment is protected; the method is favorable for improving the operation efficiency of recycling electronic waste plastics, improving the product values of regenerated PA6 and PA66, and effectively relieving the pressure of a sanitation system caused by marine plastics.

Description

Recovery unit of polyamide class marine plastic

Technical Field

The utility model relates to a recovery unit specifically is a recovery unit of polyamide class ocean plastics.

Background

With the development of economy and science and technology, human fishery operation is unprecedentedly developed, the replacing progress of the fishing net is directly accelerated by full-automatic spinning and net weaving, however, a large number of fishing nets are abandoned in deep ocean, and the polyamide fishing nets have excellent physical properties and cannot be naturally degraded in nature for decades or even hundreds of years, so that great troubles are caused to marine organisms, marine quality and the ecological environment of human beings. At present, a complete set of high-value recycling equipment for polyamide marine plastics (post-consumer fishing nets) which is efficient enough and generally applicable is not available in China, so that the marine plastics cannot be recycled in a high-value mode, and the marine ecological environment is damaged for a long time.

SUMMERY OF THE UTILITY MODEL

The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model aims to provide a recovery device for polyamide marine plastic, which can improve the purity of raw materials, the performance and the value of products.

The technical scheme is as follows: a recovery unit of polyamide class ocean plastics, including superhigh pressure washing unit, breaker, density sorting unit, two rank screw extruder and water-cooling pelleter, breaker links to each other with superhigh pressure washing unit, density sorting unit respectively, two rank screw extruder links to each other with density sorting unit, water-cooling pelleter respectively. Ultrahigh pressure washing device, breaker have effectively solved the difficult washing of marine plastics class discarded plastics, and the water is more, the high problem of impurity content.

The ultrahigh pressure water washing device comprises a feeding conveyer belt I, a steam softening tank, a manipulator and a high-pressure water spray gun, wherein the feeding conveyer belt I conveys materials to the steam softening tank, and the manipulator transfers the materials in the steam softening tank to the high-pressure water spray gun.

The crushing device comprises a storage bin, a magnetic transmission belt, a multi-blade coaxial crusher, a multilayer high-speed centrifugal dirt separator, a stirring pool, a feeding conveying belt II, a multi-blade different-shaft crusher and a multilayer high-speed centrifugal spin dryer, wherein the magnetic transmission belt is connected with the storage bin and the multi-blade coaxial crusher respectively, the multilayer high-speed centrifugal dirt separator is connected with the multi-blade coaxial crusher and the stirring pool respectively, the feeding conveying belt II is connected with the stirring pool and the multi-blade different-shaft crusher respectively, and the multilayer high-speed centrifugal spin dryer is connected with the multi-blade different-shaft crusher. The high-pressure water spraying gun is connected with the storage bin.

The density sorting device comprises a first washing tank, a third feeding conveying belt, a second washing tank, a fourth feeding conveying belt and a dewatering air dryer, wherein the third feeding conveying belt is respectively connected with the first washing tank and the second washing tank, and the fourth feeding conveying belt is respectively connected with the second washing tank and the dewatering air dryer. And the first cleaning tank is connected with the multi-layer high-speed centrifugal drying machine. The density sorting device improves the purity of raw materials, and the performance and the value of a final product are obviously improved.

The working principle is as follows: polyamide class marine plastic becomes independent bar form through breaker, then rinses through high-efficient circulating water, dries again, extrudes the granulation through prilling granulator's normal melting temperature, has guaranteed by material initial performance and the stability of being retrieved.

Has the advantages that: compared with the prior art, the utility model, have following characteristics:

1. the configured complete recovery equipment is the most efficient production equipment and process integration scheme at present, the automation degree of a production line is higher, the labor intensity of workers is reduced, and the performance of a finished product is improved;

2. the method can crush, density sort, clean and granulate the polyamide marine plastic, effectively improve the yield and quality of the recycled marine plastic, and lay a foundation for high-value utilization of the marine plastic;

3. the consumption of manpower, water and electricity is less, and the energy is saved and the environment is protected;

4. the recycling method is beneficial to improving the operation efficiency of polyamide marine plastic recycling, improves the product values of regenerated PA6 and PA66, and can effectively relieve the pressure of a sanitation system caused by the marine plastic.

Drawings

Fig. 1 is a schematic view of the structural connection of the present invention.

Detailed Description

The directions shown in the drawings of the specification are up, down, left and right.

As shown in fig. 1, the recovery device of polyamide-based marine plastics comprises an ultrahigh pressure water washing device 1, a crushing device 2, a density sorting device 3, a double-stage screw extruder 4 and a water-cooled granulator 5 which are connected in sequence one by one. The material is sent to the steam softening tank 12 by the feeding conveyer belt I11, and the manipulator 13 moves the material in the steam softening tank 12 to the high-pressure water spray gun 14. After being processed by the high-pressure water spray gun 14, the material enters the storage bin 21 of the crushing device 2, the discharge port of the storage bin 21 faces the feed port of the magnetic conveying belt 22, the discharge port of the magnetic conveying belt 22 is connected with the feed port of the multi-blade coaxial crusher 23, the discharge port of the multi-blade coaxial crusher 23 is connected with the feed port of the multilayer high-speed centrifugal cleaner 24, the discharge port of the multilayer high-speed centrifugal cleaner 24 is connected with the feed port of the stirring and mixing tank 25, the discharge port of the stirring and mixing tank 25 is connected with the feed port of the feeding conveying belt II 26, the discharge port of the feeding conveying belt II 26 is connected with the feed port of the multi-blade eccentric shaft crusher 27, and the discharge port of the multi-blade eccentric shaft crusher 27 is. The discharge port of the multi-layer high-speed centrifugal drying machine 28 is connected with a first cleaning tank 31 of the density sorting device 3. The discharge hole of the first cleaning groove 31 is connected with the feed inlet of the third feeding conveyer belt 32, the discharge hole of the third feeding conveyer belt 32 is connected with the feed inlet of the second cleaning groove 33, the discharge hole of the second cleaning groove 33 is connected with the feed inlet of the fourth feeding conveyer belt 34, the purity of raw materials is improved through twice cleaning and floating and sinking separation, and classified screening of impurities with different densities can be carried out. The discharge hole of the feeding conveyer belt four 34 is connected with the feed hole of the dewatering air dryer 35. The discharge port of the dewatering air dryer 35 is connected with the feed port of the double-step screw extruder 4. The discharge port of the double-stage screw extruder 4 is connected with the feed inlet of the water-cooled granulator 5, and the melted polyamide type marine plastic is granulated to complete the recovery treatment of the polyamide type marine plastic.

Claims

1. A polyamide marine plastic's recovery unit which characterized in that: including superhigh pressure washing device (1), breaker (2), density sorting unit (3), two rank screw extruder (4) and water-cooling pelleter (5), breaker (2) link to each other with superhigh pressure washing device (1), density sorting unit (3) respectively, two rank screw extruder (4) link to each other with density sorting unit (3), water-cooling pelleter (5) respectively.

2. The recycling device of polyamide-based marine plastic as claimed in claim 1, wherein: the ultrahigh pressure water washing device (1) comprises a feeding conveying belt I (11), a steam softening tank (12), a mechanical arm (13) and a high-pressure water spray gun (14), wherein the feeding conveying belt I (11) conveys materials to the steam softening tank (12), and the mechanical arm (13) transfers the materials at the steam softening tank (12) to the high-pressure water spray gun (14).

3. The recycling device of polyamide-based marine plastic as claimed in claim 2, wherein: the crushing device (2) comprises a storage bin (21), a magnetic transmission belt (22), a multi-blade coaxial crusher (23), a multi-layer high-speed centrifugal dirt separator (24), a stirring and mixing pool (25), a feeding conveying belt II (26), a multi-blade different-shaft crusher (27) and a multi-layer high-speed centrifugal drying machine (28), wherein the magnetic transmission belt (22) is respectively connected with the storage bin (21) and the multi-blade coaxial crusher (23), the multi-layer high-speed centrifugal dirt separator (24) is respectively connected with the multi-blade coaxial crusher (23) and the stirring and mixing pool (25), the feeding conveying belt II (26) is respectively connected with the stirring and mixing pool (25) and the multi-blade different-shaft crusher (27), and the multi-layer high-speed drying machine (28) is connected with the multi-blade different-shaft crusher (27).

4. The recycling device of polyamide-based marine plastic as claimed in claim 3, wherein: the high-pressure water spray gun (14) is connected with the storage bin (21).

5. The recycling device of polyamide-based marine plastic as claimed in claim 4, wherein: the density sorting device (3) comprises a first cleaning groove (31), a third feeding conveying belt (32), a second cleaning groove (33), a fourth feeding conveying belt (34) and a dewatering air dryer (35), wherein the third feeding conveying belt (32) is respectively connected with the first cleaning groove (31) and the second cleaning groove (33), and the fourth feeding conveying belt (34) is respectively connected with the second cleaning groove (33) and the dewatering air dryer (35).

6. The recycling device of polyamide-based marine plastic as claimed in claim 5, wherein: the first cleaning tank (31) is connected with the multi-layer high-speed centrifugal drying machine (28).