D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
D21G 7/00 (2006.01) B05B 7/00 (2006.01)
Patent
CA 2614258
A moistening nozzle of a paper web comprises a frame (1) into which air and water are fed. Inside the frame (1) there is arranged a water nozzle (2) where- with water is conducted to an outlet of the moistening nozzle and an air nozzle wherewith air is correspondingly conducted to the outlet. The air nozzle (3) and the water nozzle (2) are arranged one within the other such that the air and the water form water mist that is sprayed out from the moistening nozzle. The air nozzle (3) is provided with a thread (10) that brings the air in swirling motion. The air nozzle comprises a sleeve part (4) with an opening through which air is discharged and in said opening there is arranged a piece that is an integral part of the frame (1) of the moistening nozzle, whereby a part of the moistening nozzle frame (1) forms an Inner edge of the air gap (15) provided by said piece and the sleeve part (4).
La présente invention concerne une buse de mouillage d~une bande de papier comprenant un châssis (1) alimenté en air et en eau. Le châssis (1) comprend une buse d~eau (2) permettant de conduire l~eau vers une sortie de la buse de mouillage et une buse d~air permettant de conduire l~air vers la sortie. La buse d~air (3) et la buse d~eau (2) sont disposées l~une dans l~autre de telle sorte que l~air et l~eau forment de l~eau atomisée qui est pulvérisée par la buse de mouillage. La buse d~air (3) est dotée d~un filetage (10) qui fait tourbillonner l~air. La buse d~air comprend une partie manchon (4) pourvue d~une ouverture par laquelle l~air est évacué, et dans ladite ouverture on a disposé une pièce qui fait partie intégrante du châssis (1) de la buse de mouillage, ce qui permet à une partie du châssis (1) de la buse de mouillage de former un bord interne destiné à l~intervalle d~air (15) créé par ladite pièce et la partie manchon (4).
Almi Jari
Niemelae Hannu
Posti Niko
Metso Automation Oy
Sim & Mcburney
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