Maintech Co., Ltd.

Ayano Suga

Hiroshi Sekiya

Daisuke Kobayashi

Tomohiko Nagatsuka

Kazuyuki Yusa

Hitomaru Sakata

Kazuyujki Yusa

A chemical solution spraying method for spraying a chemical solution onto a canvas Khas a loop shape in a side view while reciprocating two nozzle devices S at the same speed along rail L extending in a width direction of canvas Kwith respect to canvas K, in which time period Tc during which canvas Kis in contact with wet paper X is 0.03 seconds or more, time period Tn required for nozzle devices S to each one-way move is 0.5 to 10 minutes, traveling speed Vp of canvas Kis 500 m/min or more, length K of canvas Kis 20 to 80 m, a number of times of contact N of any point on a surface of canvas Kwith wet paper X during time period Tn, time period Tn, traveling speed Vp, and length K satisfy a relationship of N=(Tn·Vp)/K, under predetermined conditions.

Method for spraying chemical solution

An object is to provide a monitoring system capable of preventing the occurrence of a defect in paper by monitoring the device. The present invention is directed to a monitoring system A having a papermaking machinefor manufacturing paper X, an applying devicefor applying a chemical solution to a site of the papermaking machine directly or indirectly in contact with the paper while the papermaking machineis operated, a control panelfor setting an application condition of the applying device, a monitoring camerafor monitoring a monitoring target site, and a control deviceconnected to the monitoring cameravia a network. The monitoring target site is the site of the papermaking machinedirectly or indirectly in contact with the paper X and/or the applying device, and the control devicehas a computing unit Swhich converts a state of the monitoring target site into a numerical form by using video taken by the monitoring camera, a display unit Swhich displays detection data obtained by conversion into the numerical form at the computing unit S, and a storage unit Swhich stores the detection data.

Monitoring system

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Tokyo, Japan

Ayano Suga