首页> 外国专利> NOZZLE SYSTEM OF A DEVICE FOR CONTACT-FREE TREATMENT OF A RUNNING FIBER WEB

NOZZLE SYSTEM OF A DEVICE FOR CONTACT-FREE TREATMENT OF A RUNNING FIBER WEB

机译:用于无线纤维网的无接触处理装置的喷嘴系统

摘要

The invention relates to a nozzle system of a device for contact-free treatment of a running web, which nozzle system (10) comprises an overpressure nozzle part (20) and at least one direct impingement nozzle part (25A; 25B) arranged on either side of the overpressure nozzle part (20) and in which nozzle system (10) the direct impingement nozzle part (25A, 25B) is combined with the overpressure nozzle part (20) such that no discharge passage for discharging gases is formed between the direct impingement nozzle part (25A; 25B) and the overpressure nozzle part (20), in which nozzle system (10) the overpressure nozzle part (20) has a carrier surface (24) and on both sides of the carrier surface (24) a nozzle orifice row formed of nozzle orifices (18A, 18B) and extending in length direction of the nozzle system (10) and which nozzle orifices (18A, 18B) are configured to blow gas flows, which are guided against each other with the aid of curved Coanda-surfaces (22A, 22B) formed on each side of the carrier surface (24), in which nozzle system (10) the direct impingement nozzle part (25A; 25B) comprises at least one nozzle orifice row formed of nozzle orifices (16A, 16B) configured to blow gas flows mainly perpendicularly in view of upper surface of the direct impingement nozzle parts (25A, 25B). The overpressure nozzle part (20) comprises on the carrier surface (24) at least one row of direct impingement nozzle orifices (21) configured to provide direct impingement blowing by gas flows directed mainly perpendicularly in view of the upper surface of the overpressure nozzle part (20).
机译:本发明涉及一种用于无线纤维网的无接触式处理的装置的喷嘴系统,喷嘴系统(10)包括过压喷嘴部分(20)和至少一个直接冲击喷嘴部分(25a; 25b)。过压喷嘴部分(20)的一侧,其中喷嘴系统(10)直接冲击喷嘴部分(25a,25b)与过压喷嘴部分(20)组合,使得在直接之间没有用于排出气体的排出通道冲击喷嘴部分(25a; 25b)和过压喷嘴部分(20),其中喷嘴系统(10)所述过压喷嘴部分(20)具有载体表面(24)和载体表面(24)的两侧由喷嘴孔(18a,18b)形成的喷嘴孔口,并且在喷嘴系统(10)的长度方向上延伸并且喷嘴孔(18a,18b)构造成借助于吹气互相引导的气流。在每侧形成弯曲的芯片表面(22a,22b)载体表面(24),其中喷嘴系统(10)直接冲击喷嘴部分(25a;图25B)包括由喷嘴孔(16A,16B)形成的至少一个喷嘴孔口,其被配置为借助于直接冲击喷嘴部分(25A,25B)的上表面的垂直于垂直于垂直流动的吹气。过压喷嘴部分(20)包括在载体表面(24)上,所述载体表面(24)至少一排直接冲击喷嘴孔(21),所述直接冲击喷嘴孔(21)构造成通过主要垂直于超压喷嘴部分的上表面垂直于垂直于垂直的气体流动的直接冲击吹入(20)。

著录项

  • 公开/公告号EP3916150A4

    专利类型

  • 公开/公告日2021-12-01

    原文格式PDF

  • 申请/专利权人 VALMET TECHNOLOGIES OY;

    申请/专利号EP20210170077

  • 发明设计人 SOLIN RICHARD;HEIKKILÄ PERTTI;

    申请日2021-04-23

  • 分类号D21F5/18;F26B13/20;

  • 国家 EP

  • 入库时间 2022-08-24 22:16:34

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