FIELD: cleaning gas flows from solid and liquid admixtures; oil, chemical and gas industries; power engineering. SUBSTANCE: proposed gas cleaning unit includes first and second sections connected in succession; working members of these sections are built in vertical housing and are blanked off at upper end; unit is also provided with partitions dividing inter-tube cavities of first and second sections downward; unit is also provided with bin for receiving entrapped admixtures; first section at side gas inlet is made in form of inertia gravitational phase separator. Unit is provided with collector at side discharge of cleaned gas; second section is made in form of straight-flow centrifugal separator provided with gas bypass passages. Novelty of invention consists in form of bypass passage made as vertical two-stage axial ejector whose inlet of ejecting gas to first stage is combined with outlet of cleaned gas from nozzle of sharply bent branch connected to side inlet. Ejecting gas inlet is communicated with lower portion of cavity of first section through intake tube whose lower end is provided with nozzle of second stage of ejector directed coaxially relative to inlet of mixing tube whose upper end is open to cavity of second section and lower end is open to cavity of bin; upper portion of bin is communicated with lower portion of cavity of first section by at least one drainage tube. EFFECT: enhanced operational reliability; extended range of loads at retained high efficiency of process irrespective of composition of admixtures. 1 dwg
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Authors
Dates
2003-11-27—Published
2002-07-08—Filed