Concentrator-integrated screw press
US8881648B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2010 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Jul 25, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F11/147
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A concentrator-integrated screw press includes: a continuous concentrator configured to continuously concentrate sludge and discharge the sludge as concentrated sludge, and including a discharge amount equalization unit configured to equalize an amount of concentrated sludge to be discharged per unit time; a positive displacement pump installed consecutively to the concentrator, and configured to continuously transport the concentrated sludge discharged from the concentrator; and a screw press installed consecutively to a discharge side of the positive displacement pump, and configured to compress and dewater the concentrated sludge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.