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A liquid sprayer includes a casing (1) having a flow-through channel composed of sequentially joined inlet portion (2) formed as a converging tube, a cylindrical portion (3) and an outlet portion (4) formed as a conical diffuser. A length of cylindrical portion (3) is not less than a radius thereof.

A liquid sprayer includes a casing (1) having a flow-through channel composed of sequentially joined inlet portion (2) formed as a converging tube, a cylindrical portion (3) and an outlet portion (4) formed as a conical diffuser. A length of cylindrical portion (3) is not less than a radius thereof. A cone angle of the diffuser forming the outlet portion (4) of the flow-through channel is greater than a cone angle of the converging tube forming the inlet portion (2) of the same channel. Alternatively, the converging tube forming the inlet portion of the flow-through channel is made conoid-shaped. Implementation of the liquid sprayer allows steady-state fine-dispersed liquid flow to be generated at the minimal energy consumption.

대표청구항 ▼

What we claim: 1. A liquid sprayer comprising a casing (1) with a flow-through channel composed of sequentially joined and axially aligned an inlet portion (2) formed as a converging tube, a cylindrical portion (3) and an outlet portion (4) formed as a conical diffuser, is characterized in that the

What we claim: 1. A liquid sprayer comprising a casing (1) with a flow-through channel composed of sequentially joined and axially aligned an inlet portion (2) formed as a converging tube, a cylindrical portion (3) and an outlet portion (4) formed as a conical diffuser, is characterized in that the length of cylindrical portion ( 3) is not less than its radius but not more than its diameter, thereto the cone angle of the diffuser defining outlet portion (4) of the flow-through channel exceeding the cone angle of the converging tube defining inlet portion (2) of the flow-through channel, and outlet edges of the diffuser defining outlet portion (4) of the flow-through channel are made rounded the radius of roundness of said edges is 1-2.5 the radius of cylindrical portion (3) of the flow-through channel. 2. A liquid sprayer as claimed in claim 1 is characterized in that inlet edges of the converging tube defining inlet portion (2) of the flow-through channel are made rounded. 3. A liquid sprayer as claimed in claim 2 is characterized in that the radius of roundness of said edges is 1-2.5 the radius of cylindrical portion (3) of the flow-through channel. 4. A liquid sprayer as claimed in claim 1 is characterized in that it comprises a chamber (7) with a cylindrical channel ( 8) whose inlet end is connected to a diffuser outlet section, with diameter of cylindrical channel (8) of chamber (7) being at least equal to the diameter of the diffuser outlet section. 5. A liquid sprayer as claimed in claim 4 is characterized in that a diameter of cylindrical channel (8) of chamber (7) is 4-6 diameters of cylindrical portion (3) of the flow-through channel. 6. A liquid sprayer as claimed in claim 4 is characterized in that a length of cylindrical channel (8) of chamber (7) is 10-30 diameters of cylindrical portion (3) of the flow-through channel. 7. A liquid sprayer as claimed in claim 4 is characterized in that a grid or perforated plate (9) is located at the outlet section of cylindrical channel (8) of chamber (7). 8. A liquid sprayer as claimed in claim 7 is characterized in that a total cross-sectional area of holes of perforated plate (9) or grid is 0.4-0.7 the cross-sectional area of cylindrical channel ( 8) of chamber (7). 9. A liquid sprayer as claimed in claim 4 is characterized in that at least one tangential opening (11) is formed in the wall of chamber (7) for ejecting gas from the outside into cylindrical channel (8) of chamber (7). 10. A liquid sprayer as claimed in claim 9 is characterized in that at least four tangential openings (11) are made in the wall of chamber (7), which are symmetrically arranged by pairs in two cross-sectional planes of cylindrical channel (8) of chamber (7), the first plane extending near the diffuser outlet section and the second plane near the outlet section of chamber (7). 11. A liquid sprayer as claimed in claim 1 is characterized in that it comprises a chamber (12) arranged coaxial to casing ( 1), on the outside thereof, with at least one passage being formed between an outer surface of casing (1) and an inner surface of the chamber for supplying gas under pressure to the section of outlet portion (4) of the flow-through channel of said sprayer. 12. A liquid sprayer as claimed in claim 11 is characterized in that chamber (12) comprises a nozzle composed of sequentially arranged converging tube (14) and diffuser (15), with the nozzle inlet section being communicated with outlet portion (4) of the flow-through channel of said sprayer. 13. A liquid sprayer comprising a casing (16) with a flow-through channel composed of sequentially joined and axially aligned inlet portion (17) formed as a converging tube, a cylindrical portion (18) and an outlet portion (19) formed as a diffuser, is characterized in that the length of cylindrical portion ( 18) is not less than its radius but not more than its diameter, thereto the converging tube forming inlet portion (17) of the flow-through channel is made conoid-shaped with radius of roundness of the side surface being at least equal to the radius of cylindrical portion (18) of the flow-through channel. 14. A liquid sprayer as claimed in claim 13 is characterized in that an apex angle of a cone forming the diffuser is between 8째 and 90째. 15. A liquid sprayer as claimed in claim 13 is characterized in that the conoid-shaped surface of the converging tube is joined to the surface of cylindrical portion (18) of the flow-through channel at an angle not in the excess of 2째. 16. A liquid sprayer as claimed in claim 13 is characterized in that outlet edges of the diffuser forming outlet portion (19) of the flow-through channel are made rounded. 17. A liquid sprayer as claimed in claim 16 is characterized in that a radius of roundness of diffuser outlet edges is 1-2 radius of cylindrical portion (18) of the flow-through channel. 18. A liquid sprayer as claimed in claim 13 is characterized in that it comprises a chamber (22) having a cylindrical channel (23), whose inlet is connected to the diffuser outlet section, with diameter of cylindrical channel (23) of chamber (22) being at least equal to the diameter of the diffuser outlet section. 19. A liquid sprayer as claimed in claim 18 is characterized in that a diameter of cylindrical channel (23) of chamber ( 22) is 4-6 diameters of cylindrical portion (18) of the flow-through channel. 20. A liquid sprayer as claimed in claim 18 is characterized in that a length of cylindrical channel (23) of chamber (22) is 10-30 diameters of cylindrical portion (18) of the flow-through channel. 21. A liquid sprayer as claimed in claim 18 is characterized in that a grid or perforated plate (24) is located in the outlet section of cylindrical channel (23) of chamber (22). 22. A liquid sprayer as claimed in claim 21 is characterized in that a total cross-sectional area of perforated plate (24) or grid is 0.4-0.7 the cross-sectional area of cylindrical channel (23 ) of chamber (22). 23. A liquid sprayer as claimed in claim 13 is characterized in that at least one tangential opening (26) is formed in the chamber wall for ejecting gas from the outside into cylindrical channel (23) of chamber (22). 24. A liquid sprayer as claimed in claim 23 is characterized in that at least four tangential openings (26) are symmetrically arranged in the wall of chamber (22) by pairs in two cross-sectional planes of cylindrical channel (23) of chamber (22) , wherein the first plane is extending near the diffuser outlet section and the second plane is extending near the outlet section of chamber ( 22). 25. A liquid sprayer as claimed in claim 13 is characterized in that it comprises a chamber (27) arranged coaxial with casing (16), on the outside thereof, wherein at least one passage is formed between the outer surface of casing (16) and the inner surface of chamber (27) for supplying gas under pressure to the section of outlet portion (19) of the flow-through channel. 26. A liquid sprayer as claimed in claim 25 is characterized in that chamber (27) comprises a nozzle formed by sequentially arranged converging tube (29) and diffuser (30), wherein the nozzle inlet section is communicated with outlet portion (19) of the flow-through channel.