Importance

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Abstract

A nozzle (12a, 12b, 12c) for atomizing a liquid, optionally containing suspended dry matter, through use of compressed gas, comprises, an inlet (32b) for liquid, an inlet (31b) for compressed gas, and an outlet (41) for gas mixed with finely divided liquid, as well as an intermediate mixing space (51). The inlet (31b) for compressed gas is adapted to give the gas a substantially rectilinear path through the mixing space (51). The inlet (32b) for the liquid is separated from the mixing space (51) by a partition (32) having a plurality of first holes (38) for introducing the liquid into the mixing space (51) in a direction substantially perpendicular to the main flow direction of the gas in the mixing space (51). The mixing space (51) is defined downstream by a wall (35) having a plurality of second holes (39). An inlet device (11a, 11b, 11c) comprising the inlet (31b) for compressed gas and the inlet (32b) for liquid consists of two concentric tubes (31, 32). The inlet (32b) for liquid consists of the inner tube (32). The inlet (31b) for compressed gas consists of the annular conduit (31b) between the concentric tubes (31, 32). The inner tube (32) is closed in the axial direction downstream of the first holes (38) provided for introducing the liquid into the mixing space (51). A convergent channel (57) connects the mixing space (51) to the outlet (41).

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First Claim