DEVICE FOR STEAM TREATMENT OF AIR Russian patent published in 2014 - IPC F24F5/00 

FIELD: ventilation.

SUBSTANCE: in proposed device for steam treatment of air, comprising the mixing chamber, the heater and the irrigation unit, the two stages are provided. The first stage is a multifunctional device with counter swirling flows and is designed to remove dust from the recirculation air coming from the room and having a positive temperature, and for air humidification. And comprises the housing with a container for collecting fluid, in which the pump with the filter is placed for recirculation of the fluid through the pipeline and delivering it to the irrigation unit, which is made in the form of at least two circular tube collectors with the uniformly distributed over the internal surface centrifugal injectors. In the lower part of the housing there is a lower inlet pipe, and in the upper - the upper inlet pipe. In the nozzles there are respectively lower tangential whirler and the upper tangential whirler. The exhaust pipe connects the first stage of the device to the second stage of the device, adapted for mixing the air streams coming from the first stage with the stream of outside air. The second stage of the device is made in the form of heat and mass exchange device of mixing and comprises an inlet pipe of the mixing chamber, to the centrifugal mixing chamber, the diffuser, the confusor, the untwister, the outlet pipe. The housing of each of the nozzles is formed with a channel for supplying fluid and comprises a coaxial and rigidly connected with it sleeve with the nozzle fixed to its lower part which is made in the form of a cylindrical two-stage sleeve, which upper cylindrical stage is connected by a threaded connection to the central core consisting of a cylindrical part and a hollow cone coaxial with it mounted with an annular clearance relative to the inner surface of the cylindrical sleeve. An annular clearance is connected with at least three radial channels made in the two-stage sleeve that connects it to the annular cavity formed by the inner surface of the sleeve and the outer surface of the upper cylindrical stage. The annular cavity is connected with the housing channel for supplying fluid, and the sprayer is rigidly attached to the cone in its lower part by a screw, which is made in the form of a circular end plate, which edges are bent towards the annular clearance between the nozzle and the hollow cone. On the lateral surface of the cone at least two rows of cylindrical orifices are made, with axes lying in planes perpendicular to the cone axis, and in each row at least three holes are made. The axes of the orifices of one row are offset relative to the axes of orifices of another row at an angle lying in the range of 15°÷60°, and on the inner surfaces of the cylindrical orifices formed on the lateral surface of the cone with axes lying in planes perpendicular to the axis of the cone, there are screw grooves.

EFFECT: increased efficiency of steam treatment of air, energy saving, simplifying the design of air conditioning systems, their installation and maintenance.

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