Method for providing canvas of paper-making machine with anti-staining agent through sprinkling, and sliding sprinkle device and anti-staining agent for use therein

摘要

The present invention provides a method of spraying antipollution agent which can securely apply a proper amount of antipollution agent to a canvas of a paper machine, a spray nozzle and a slidable spray apparatus used in the spraying method, and antipollution agent. In antipollution agent spraying method of applying antipollution agent (T) to a canvas (A) used for drying paper in a paper machine, the method applies the antipollution agent (T) from a spray nozzle (S) toward a contact start position (C) between an outer surface of the canvas (A) and an out roll (B), applies the antipollution agent (T) to said out roll (B), and transfers and applies the antipollution agent (T) to the canvas (A) via said out roll (B).