Edge spray nozzle arrangement for mounting in region of material web of endless non-woven fabric at paper machine to cut material web, has detecting unit arranged inside housing and detecting exit region of nozzle device through opening

摘要

The arrangement (1) has a nozzle device (4) provided at an end of a carrier (3), which is partially retained in a cuboid housing (2) and movable over an adjustment device (11) relative to the housing. A detecting unit (12) i.e. camera, optically monitors an exit region of the nozzle device and is arranged inside the housing such that the detecting unit detects the exit region of the nozzle device through a housing opening (13). A housing wall (16) comprises a transparent area (15) by which the exit region is illuminable using an illumination device (14) that is arranged in a housing interior.