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CN-224210293-U - Plastic flotation device

CN224210293UCN 224210293 UCN224210293 UCN 224210293UCN-224210293-U

Abstract

The utility model discloses a plastic flotation device which comprises a quantitative feeding bin, a first spiral feeder, a light micro air separator, a second spiral feeder, a heavy brine flotation tank, a first dewatering and discharging machine, a light brine flotation tank, a friction cleaner, a second dewatering and discharging machine, a high-efficiency drying spiral, a bucket elevator, a buffering bin and a ton bag which are sequentially connected, wherein the first brine preparation tank and the second brine preparation tank are connected with the heavy brine flotation tank through pipelines and are used for preparing heavy brine and automatically conveying the heavy brine to the heavy brine flotation tank, and the second brine preparation tank is connected with the light brine flotation tank through pipelines and is used for preparing light brine and automatically conveying the light brine flotation tank, so that the plastic flotation mechanized and pipelining high-efficiency operation can be realized.

Inventors

  • XIONG WEIWEI
  • CHEN LIANGLIANG
  • Song ali

Assignees

  • 上海众仕环境科技股份有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (7)

  1. 1. The plastic flotation device is characterized by comprising a quantitative feeding bin (1), a first spiral feeder (2), a light micro air separator (3), a second spiral feeder (4), a heavy brine flotation tank (5), a first dewatering and discharging machine (6), a light brine flotation tank (7), a friction cleaning machine (8), a second dewatering and discharging machine (9), a high-efficiency drying spiral (10), a bucket elevator (11), a buffer bin (12) and a ton bag (13), a first brine preparation tank (14) and a second brine preparation tank (15), wherein the first brine preparation tank (14) is connected with the heavy brine flotation tank (5) through a pipeline and is used for preparing heavy brine and automatically conveying the heavy brine to the heavy brine flotation tank (5), and the second brine preparation tank (15) is connected with the light brine flotation tank (7) through a pipeline and is used for preparing light brine and automatically conveying the light brine to the light brine flotation tank (7).
  2. 2. The plastic flotation device according to claim 1, wherein the discharge hole of the quantitative feeding bin (1) is connected with the feed hole of the light micro-object air separation machine (3) through the first screw feeder (2) and is used for receiving waste mixed crushed materials and conveying the materials to the light micro-object air separation machine (3) for sorting and removing the light micro-plastic.
  3. 3. A plastic flotation device according to claim 2, characterized in that the discharge opening of the light micro-air separator (3) is connected with the feed opening of the heavy brine flotation cell (5) through the screw feeder two (4) for conveying the light and thin micro-plastic-removed chip mix to the heavy brine flotation cell (5), and the heavy brine flotation cell (5) conveys the floating light specific gravity plastic to the dewatering discharger one (6).
  4. 4. A plastic flotation device according to claim 3, characterized in that the bottom of the heavy brine flotation cell (5) is provided with a discharge opening connected to a screw conveyor for conveying the sinking heavy metal impurities to a discharge device via the screw conveyor.
  5. 5. The plastic flotation device according to claim 4, wherein the discharge port of the first dewatering and discharging machine (6) is connected with the feed port of the light brine flotation tank (7) and is used for dewatering the floating plastic discharged from the heavy brine flotation tank (5) and then feeding the floating plastic into the light brine flotation tank (7), and the light brine flotation tank (7) is used for separating the mixed plastic into light plastic and heavy plastic.
  6. 6. The plastic flotation device according to claim 1, wherein a high-proportion floating plastic discharge port in the light brine flotation tank (7) is connected with a feed port of a friction washer (8), a discharge port of the friction washer (8) is connected with a feed port of a second dewatering and discharging machine (9), a discharge port of the second dewatering and discharging machine (9) is connected with a feed port of a high-efficiency drying spiral (10), and water separated from the second dewatering and discharging machine (9) flows back to the light brine flotation tank (7) through a pipeline.
  7. 7. The plastic flotation device according to claim 6, wherein the discharge port of the efficient drying screw (10) is connected with the feed port of the bucket elevator (11), the discharge port of the bucket elevator (11) is connected with the feed port of the buffer bin (12), the discharge port of the buffer bin (12) is connected with the ton bag (13), the friction cleaning machine (8) is used for carrying out friction cleaning on surface ageing paint and salt water on floating plastic, the second dewatering discharge machine (9) is used for dewatering cleaned plastic, the efficient drying screw (10) is used for drying and conveying the dewatered plastic to the inlet of the bucket elevator (11), the bucket elevator (11) is used for lifting the dried plastic to the buffer bin (12), and the ton bag (13) is used for collecting the plastic in the buffer bin (12).

Description

Plastic flotation device Technical Field The utility model relates to the technical field of waste plastic recovery treatment, in particular to a plastic flotation device. Background With the continuous increase of the global plastic consumption, the recovery and regeneration of waste plastics become key to relieve white pollution, reduce resource waste, reduce carbon emission and realize circular economy. At present, the complex mixed waste plastics are low in manual sorting efficiency and purity and high in cost, and an efficient mechanical sorting device is needed. Plastic floatation is used as a key physical means for realizing closed-loop recovery, and is particularly suitable for the fine separation of complex waste plastics such as electronic waste, automobile disassembly part waste, motorcycle disassembly part waste, packaging materials and the like. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model provides the plastic flotation device which can realize the efficient operation of plastic flotation mechanization and pipelining. In order to achieve the above purpose, the utility model adopts the following technical scheme: A plastic flotation device comprises a quantitative feeding bin, a first spiral feeder, a light micro air separator, a second spiral feeder, a heavy brine flotation tank, a first dewatering discharger, a light brine flotation tank, a friction cleaner, a second dewatering discharger, a high-efficiency drying spiral, a bucket elevator, a buffer bin and a ton bag which are sequentially connected, a first brine preparation tank and a second brine preparation tank, wherein the first brine preparation tank is connected with the heavy brine flotation tank through a pipeline and is used for preparing heavy brine and automatically conveying the heavy brine to the heavy brine flotation tank, and the second brine preparation tank is connected with the light brine flotation tank through a pipeline and is used for preparing light brine and automatically conveying the light brine to the light brine flotation tank. Further preferably, the discharge port of the quantitative feeding bin is connected with the feed port of the light micro air separator through the first screw feeder, and is used for receiving waste mixed crushed materials input through ton bag opening or forklift, and conveying the materials to the light micro air separator for sorting and removing light micro plastics. Further, a discharge hole of the light micro air separator is connected with a feed hole of a heavy brine flotation tank through a second screw feeder and is used for conveying the sheet-like mixture after light and thin micro plastics are removed to the heavy brine flotation tank; Further preferably, a discharge hole connected with the screw conveyor is arranged at the bottom of the heavy brine flotation tank and is used for conveying heavy metal and other impurities which sink to the discharging equipment through the screw conveyor. Further preferably, the discharge port of the first dewatering and discharging machine is connected with the feed port of the light brine flotation tank, and is used for dewatering the floating plastic discharged from the heavy brine flotation tank and then sending the floating plastic into the light brine flotation tank, wherein the light brine flotation tank divides the mixed plastic into light plastic and heavy plastic. Further preferably, the floating plastic discharge port with large proportion in the light brine flotation tank is connected with the feed inlet of the friction washer, the discharge port of the friction washer is connected with the feed inlet of the dewatering discharge machine II, the discharge port of the dewatering discharge machine II is connected with the feed inlet of the efficient drying screw, and water discharged by the dewatering discharge machine II flows back to the light brine flotation tank through a pipeline. Further preferably, the discharge port of the efficient drying screw is connected with the feed port of the bucket elevator, the discharge port of the bucket elevator is connected with the feed port of the buffer bin, the discharge port of the buffer bin is connected with the ton bag, the friction cleaning machine is used for carrying out friction cleaning on surface ageing paint and salt water on floating plastics, the dehydration discharging machine is used for dehydrating cleaned plastics, the efficient drying screw is used for drying the dehydrated plastics and conveying the dehydrated plastics to the inlet of the bucket elevator, the bucket elevator is used for lifting the dried plastics to the buffer bin, and the ton bag is used for collecting plastics in the buffer bin. The utility model has the following beneficial effects: The plastic flotation device can realize the mechanical and water-flowing efficient operation of plastic flotation. Drawings FIG. 1 is a schematic view of the overall structur