Method of dewatering gas hydrate and apparatus therefor
US8353409B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2008 |
| Grant date | Jan 15, 2013 |
| Priority date | — |
| Expiry date | Jan 26, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L3/108
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A gas hydrate slurry dewatering apparatus adapted to feed a raw as into a cylindrical main body of dewatering column so gas to attain pressuriation and so suction any gas from the interior of a drainage chamber disposed around the cylindrical main body so as to attain depressurization. An internal tube (8) as a constituent of a dewatering apparatus (6) in which the gas hydrate slurry (S) is introduced is provided with a separating section (7). A drainage chamber (10) is formed by the internal tube (8) and, disposed with a given spacing therefrom, an external tube (9). An exhaust blower (B2) and a drainage pump (P2) are connected to the drainage chamber (10). A gas feed blower (B3) for a raw gas (G1) is connected to the internal tube (8). A differential pressure detector (x1) is provided for detecting any pressure difference between the interior of the internal tube (8) and the interior of the drainage chamber (10). Control of the exhaust blower (B2) and/or the gas feed blower (B3) is performed by the signal from the differential pressure detector (x1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.