Protecting device for spraying equipment and method of protecting it and its surroundings

The invention claims a spraying device protective device and method for water spraying device and surrounding part, the protective device is used for protecting the paper machine or board machine spraying device (8) and surrounding part, the spraying device is a process is applied to a moving surface (3), wherein the device comprises a safety cover (11); the protective cover is the space (12) and two walls (13,14); the space formed independently the chamber; the spraying device is located in the chamber, and one chamber and Buqu And there is a moving surface is wide, and Wall Part in An Buqu each sideExtends in the machine direction, and are defined and lower gap between the moving surface (24) at themselves; 40 And 25; 26; 41). According to the invention, wherein the protective cover is arranged on the gap related sealing structure, adopt the coil of the upper limiting air and contaminant and is controlled; The air scavenger is the control system, a scavenger a contaminant in the space; blowing-inAnd stripping the vacuum system, from the chamber have a control, and is provided with a contaminant scavenger the continuous.