Centrifugal separator and system
US4044943A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 21, 1976 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Jun 21, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S494/901
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A constant flow rate input fluid of mixed gas, oil, water and suspended solids separates into its phases by centrifuging in a chamber of a multiple phase separator. Clean oil draws off through a mouth of a pitot tube tap which extends into the chamber. Solids leave the chamber through radially perimetric orifices. Water leaves the chamber through a radial passage opening into the chamber radially inward of the orifices and outward of the mouth of the pitot tube. Gas leaves the chamber through an annular tap radially inside the mouth of the pitot tube. An overflow oil stream leaves through this annulus and keeps separate from the gas by gravity. The quantity of water in the chamber determines the radial positions of the lighter constituents of oil and gas so that each tap for these phases draws only the proper phase. Insufficient water in the chamber reduces the water flow rate from the separator, which generates a signal that recirculates water from a reservoir into the separator to increase the quantity of water there. Too much water increases the water flow rate from the separator. Too little oil results in stoppage of the overflow oil stream. When the latter flow stops, oil flow…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.