Deep-condensation VOCs recovery system using air as refrigerant
US11918950B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Sep 30, 2018 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Dec 18, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25J2270/904
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A high-efficiency low-cost deep-condensation VOCs recovery system uses air as refrigerant. The recovery system includes a gaseous air purification system, an air liquefaction system and a VOCs recovery cold box. The gaseous air purification system includes an air filter, a cold dryer and an air purifier; the air liquefaction system comprises an air compressor, an air storage tank, a turbo-expander and an air precooler. The VOCs recovery cold box includes a VOCs precooler, a VOCs condenser and a gas-liquid separator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.