| 摘要 |
FIELD: oil and gas industry.SUBSTANCE: method for the separation of inhomogeneous mixtures in a centrifugal field includes spinning of a mixture flow with the formation of progressive rotation for the main flow of a continuous light phase within the whole process, deposition of a disperse heavy phase under effect of the centrifugal field with the formation of a heavy phase layer at the periphery of the spinned flow, off-take of the heavy phase layer with the secondary flow of the continuous light phase with the formation of an off-take flow(s). Thereafter the repeated deposition of the heavy phase is performed under effect of a gravitational field and off-take of the secondary flow of the continuous light phase to the main flow of the continuous light phase. Besides, at the periphery of the spinned flow multiple off-take flows are created; each of these flows is restricted by the limitation of an input cross-section width up to the value not exceeding 1% of the radius of the spinned flow periphery. At that the off-take flows are oriented outwards under an angle not exceeding 45° from the direction of the spinned flow. Then the off-take flows are reduced up to the rate of the heavy phase gravitational settling by smooth extension with an increased deviation in the radial direction from the centre of the spinned flow. At that the progressive rotation of the main flow of the light phase within the whole process is not deviated in the radial direction to the centre of rotation.EFFECT: reduced hydraulic friction and reduced primary and secondary drifts of the heavy phase.7 dwg, 4 tbl, 2 ex |
