Waste separator scrap oil extraction device and method of producing recyclate using same
US11891575B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 27, 2021 |
| Grant date | Feb 6, 2024 |
| Priority date | — |
| Expiry date | Aug 23, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M50/40
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Proposed is a waste separator scrap oil extraction device for producing a recyclate from high-density polyethylene (HDPE) scrap, the HDPE being used as a material for a separator of a lithium ion secondary battery, and to a method of producing a recyclate using the same. The waste separator scrap oil extraction device includes: a first extraction means into which pulverized scrap is input, and configured to primarily separate oil from scrap while extruding the input scrap by a pressurization method with a screw; and a secondary extraction means into which the scrap from which the oil is separated by the first extraction means is input, and configured to generate oil vapor by applying heat to the scrap when the scrap is transferred by a screw and secondarily separate remaining oil by vacuum suction of the generated oil vapor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.