Plastic salt flotation grading recovery production line
By designing a plastic salt float grading recycling production line including multiple salt water concentration salt float tanks and conveyors, the problems of low efficiency of plastic recycling density classification and large land use in the prior art are solved, and efficient automatic classification and processing of plastic materials are realized.
Patent Information
- Application Number
- CN202421510177.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-06-28
AI Technical Summary
In the existing plastic recycling technology, when density classification is performed by salt float, the workload is large, the efficiency is low, and a large amount of production land is occupied.
A plastic salt float grading recycling production line was designed. By setting up a salt float pool with different salt water concentrations, combining multiple conveyors and extractors, the fully automated classification and transportation of plastic materials were realized.
It improves the production efficiency of plastic recycling and classification, reduces the occupation of production land, and realizes efficient and automated classification and processing of plastic materials.
Smart Images
Figure CN222891523U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of recycled plastic production, in particular to a plastic salt floating classification recycling production line. Background Art
[0002] Plastic products recycled from life or industrial production are mixed and stacked together. If they need to be recycled, they need to be classified according to their properties and then processed. At present, they are usually classified according to their density. The method used is salt flotation, which is to prepare salt water pools of different concentrations for floating and sinking classification. The small density floats and the large density sinks. Due to the large amount of recycling, each salt pool is transported, classified, and recycled one by one, which is a large workload, low work efficiency, and will also occupy a large amount of production land. Utility Model Content
[0003] The utility model aims to provide a plastic salt floating classification recovery production line which has high production efficiency and can automatically classify plastic materials.
[0004] A plastic salt floating graded recovery production line in this scheme comprises a feeding bin, a first conveyor, a first salt floating pool, a second conveyor, a crusher, a first pumping machine, a second salt floating pool, a second pumping machine, a first dewatering machine, a third pumping machine, a rinsing pool, a fourth pumping machine, and a second dewatering machine which are arranged in sequence; the density of the brine in the first salt floating pool is greater than the density of the brine in the second salt floating pool, the rinsing pool contains clear water, a first bottom pumping machine is provided at the bottom of the first salt floating pool, and a second bottom pumping machine is provided at the bottom of the second salt floating pool.
[0005] The recycled plastic material is transported upward to the first salt floating pool through the first conveyor in the feeding bin. The sinking material is transported by the first bottom pump for the first material collection. The floating material is sent to the crusher through the second conveyor to reduce the material particles and then sent to the second salt floating pool by the first pump. The principle is the same as the first salt floating pool. The sinking material is sent by the second bottom pump for the second material collection. The floating material is sent to the first dehydrator by the second pump to remove most of the salt, and then sent to the rinsing pool by the third pump for cleaning to completely remove the salt. It is then sent to the second dehydrator by the fourth pump to remove the water, dry it, and then bag it as the third material collection.
[0006] Furthermore, the density of the brine in the first salt floating pool is 1.2 g / cm 3 The liquid density in the first salt floating pool is the largest, and the first classification is carried out by sinking and floating.
[0007] Furthermore, the density of the brine in the first salt floating pool is 1.1 g / cm 3 The liquid density in the second salt floating pool is medium, and the second classification is carried out by sinking and floating.
[0008] Furthermore, the density of the clean water in the rinsing tank is 1.0 g / cm 3 The liquid density of the clean water in the rinsing tank is the smallest and is used for cleaning.
[0009] Furthermore, a blowing system is provided on one side of the second dehydrator, and the outlet of the blowing system is directed toward the second dehydrator. The blowing system accelerates the drying effect.
[0010] Furthermore, the tops of the first salt floating pool, the second salt floating pool and the rinsing pool are all provided with a plurality of feeding rollers, which enable the materials in the pool to be transported forward, thereby improving the automated production efficiency.
[0011] Further, the first pumping machine, the second pumping machine, the third pumping machine and the fourth pumping machine are all spiral pumping machines.
[0012] The utility model has the advantages that the first salt flotation pool and the second salt flotation pool can classify and collect plastic materials of different densities for subsequent processing by setting different salt water concentrations. Multiple conveyors and pumping machines are set up for coordinated use to realize fully automated conveying of plastic materials, and recycling and classification processing can be completed at one time, which improves production efficiency and saves production land. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of a plastic salt floating classification recovery production line of the utility model;
[0014] Figure 2 for Figure 1 Top view of the .
[0015] The reference numerals in the figure are: feeding bin 1, first conveyor 2, first salt floating pool 3, second conveyor 4, crusher 5, first extractor 6, second salt floating pool 7, second extractor 8, first dewatering machine 9, third extractor 10, rinsing pool 11, fourth extractor 12, second dewatering machine 13, blowing system 14, feeding roller 15, first bottom extractor 16, second bottom extractor 17. DETAILED DESCRIPTION
[0016] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments:
[0017] according to Figure 1 , 2As shown, a plastic salt floating graded recovery production line in the present scheme comprises a feeding bin 1, a first conveyor 2, a first salt floating pool 3, a second conveyor 4, a crusher 5, a first pumping machine 6, a second salt floating pool 7, a second pumping machine 8, a first dewatering machine 9, a third pumping machine 10, a rinsing pool 11, a fourth pumping machine 12, and a second dewatering machine 13 which are arranged in sequence; the density of the brine in the first salt floating pool 3 is greater than the density of the brine in the second salt floating pool 7, the rinsing pool 11 contains clear water, a first bottom pumping machine 16 is provided at the bottom of the first salt floating pool 3, and a second bottom pumping machine 17 is provided at the bottom of the second salt floating pool 7.
[0018] The first conveyor 2 is a magnetic plate climbing conveyor, the second conveyor 4 is a bucket conveyor, and the first bottom pumping machine 16 and the second bottom pumping machine 17 are spiral pumping machines.
[0019] The recycled plastic material is transported upward to the first salt floating pool 3 through the first conveyor 2 in the feeding bin 1, the sinking material is transported by the first bottom pumping machine 16 for the first material collection, and the floating material is sent to the crusher 5 through the second conveyor 4 to reduce the material particles and then sent to the second salt floating pool 7 by the first pumping machine 6. The principle is the same as that of the first salt floating pool 3. The sinking material is sent by the second bottom pumping machine 17 for the second material collection, and the floating material is sent by the second pumping machine 8 to the first dehydrator 9 to remove most of the salt, and then sent to the rinsing pool 11 through the third pumping machine 10 for cleaning to completely remove the salt, and then sent to the second dehydrator 13 by the fourth pumping machine 12 to remove the water, dry and bag it as the third material collection.
[0020] As a further improvement of this embodiment, the density of the brine in the first salt floating pool 3 is 1.2 g / cm 3 By adding different amounts of industrial salt to adjust the density of the brine, the density of the brine in the first salt flotation tank 3 is the largest in the production line. The plastic material is first classified and processed, and the density is greater than 1.2g / cm 3 The material sinks to the bottom of the pool for the first material collection, and the density is less than 1.2g / cm 3 The material floats on the pool and enters the crusher to be broken into small particles and continue to the next process of the production line.
[0021] As a further improvement of this embodiment, the density of the brine in the first salt floating pool 3 is 1.1 g / cm 3 The density of the brine in the second salt flotation tank 7 is in the middle of the production line, and the small plastic particles are sorted for the second time, and the density is greater than 1.1g / cm 3 The material sinks to the bottom of the pool for the second material collection, and the density is less than 1.1g / cm 3 The material floats on the pool and continues to the next process of the production line.
[0022] As a further improvement of this embodiment, the density of the clean water in the rinsing tank 11 is 1.0 g / cm 3 After two salt flotations, the remaining materials enter the rinsing tank 11 for cleaning, dehydration and drying, and then the third material collection is performed.
[0023] As a further improvement of this embodiment, a blowing system 14 is further provided on one side of the second dehydrator 13, and the outlet of the blowing system 14 is aligned with the second dehydrator 13. The blowing system 14 dries the materials for easy collection and use.
[0024] As a further improvement of this embodiment, the tops of the first salt floating pool 3, the second salt floating pool 7 and the rinsing pool 11 are all provided with a plurality of feeding rollers 15. The rollers of the feeding rollers 15 are in the liquid surface in the pool and can transport the floating materials in the pool forward.
[0025] As a further improvement of the present embodiment, the first pumping machine 6, the second pumping machine 8, the third pumping machine and the fourth pumping machine are all spiral pumping machines, and the solid-liquid mixed material can be more efficiently fed using spiral pumping machines.
[0026] By setting up salt flotation pools with different brine concentrations, plastic materials of different densities can be collected and classified for subsequent processing. The fully automated transportation of plastic materials can be achieved, and recycling and classification can be completed in one go, which improves production efficiency and saves production land.
[0027] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent.
Claims
1. A plastic salt floating classification recovery production line, characterized by: The invention comprises a feeding bin, a first conveyor, a first salt floating pool, a second conveyor, a crusher, a first pumping machine, a second salt floating pool, a second pumping machine, a first dehydrator, a third pumping machine, a rinsing pool, a fourth pumping machine and a second dehydrator which are arranged in sequence; the density of the brine in the first salt floating pool is greater than that in the second salt floating pool, the rinsing pool contains clear water, a first bottom pumping machine is arranged at the bottom of the first salt floating pool, and a second bottom pumping machine is arranged at the bottom of the second salt floating pool.
2. A plastic salt flotation classification recovery production line according to claim 1, characterized in that: The density of the brine in the first salt floating pool is 1.2 g / cm 3 .
3. A plastic salt flotation classification recovery production line according to claim 1, characterized in that: The density of the brine in the first salt floating pool is 1.1 g / cm 3 .
4. A plastic salt flotation classification recovery production line according to claim 2, characterized in that: The density of the clean water in the rinsing tank is 1.0 g / cm 3 .
5. The plastic salt flotation classification recovery production line according to claim 1 is characterized by: A blowing system is also provided on one side of the second dehydrator, and the outlet of the air outlet pipe of the blowing system is aimed at the second dehydrator.
6. A plastic salt flotation classification recovery production line according to claim 1, characterized in that: The tops of the first salt floating pool, the second salt floating pool and the rinsing pool are all provided with a plurality of feeding rollers.
7. The plastic salt flotation classification recovery production line according to claim 1 is characterized by: The first pumping machine, the second pumping machine, the third pumping machine and the fourth pumping machine are all spiral pumping machines.