BATCHER OF FLOW OF MIXTURE OF PAIR " SUBSTANCE-AIR " TO FORM VAPOR-AIR MIXTURE WITH SPECIFIED CONCENTRATION Russian patent published in 2003 - IPC

FIELD: analysis of materials, winning and preparation of specimens for examination. SUBSTANCE: batcher of flow of mixture of pair " substance-air " with specified concentration has evaporation chamber to evaporate substance of high volatility or chamber with increased internal diameter to evaporate substances of low volatility. Evaporation chamber is intended for diffusion of molecule from surface of boundary " liquid substance-steam "into air stream. Cover with duct in it to inject vapor is screwed on chamber. Cover carries two pipe unions for connection to air stream. EFFECT: capability to form vapor-air mixtures of wide spectrum of volatility and to control changes of properties of substance in process of metering and quantity of metered substance per time unit. 1 cl, 6 dwg, 3 tbl