FIELD: process engineering.
SUBSTANCE: device comprises airflow generator (AFG), combine laminar airflow generator (CAFG), micro particles generator (MPG) with its outlet connected with inlet of channel for transfer of micro particles (MPTC), increased pressure chamber (IPC), airflow attenuator (AFA) and airflow stabiliser (AFS). IPC is composed of closed vessel with one side abutting the inlet surface of CAFG that makes a perforated diaphragm (PD) Airflow is transferred into IPC from AFG via AFS. Inner volume of IPC communicates via AFA with MPG inlet MPTC extends along PD to central inlet surface of CAFG. PD is symmetric about the centre of MPTC. PD (6) outputs two identical uniform airflows symmetric about MPTC (4) to be passed through air channels of appropriate sides of CAFG (3) symmetric about its central part.
EFFECT: higher image quality and reliability.
2 cl, 10 dwg
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