SCREW PRESS SLUDGE DEWATERING DEVICE AND OPERATING METHOD THEREOF

To realize an operation control method for a screw press sludge dewatering device, which performs stable dewatering operation while minimizing damage to the device.SOLUTION: A control unit (30) of a screw press sludge dewatering device (100) measures a current value of a drive motor (20) of a screw...

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Hauptverfasser: NARAI JUNICHI, TAMADA TOMOATSU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To realize an operation control method for a screw press sludge dewatering device, which performs stable dewatering operation while minimizing damage to the device.SOLUTION: A control unit (30) of a screw press sludge dewatering device (100) measures a current value of a drive motor (20) of a screw shaft (12a), and when the measured current value exceeds a set current value that is equal to or less than a rated current value, performs control to increase a rotation speed of the screw shaft (12a).SELECTED DRAWING: Figure 2B 【課題】スクリュープレス汚泥脱水装置において、安定した脱水運転を行い、かつ、装置の損傷も少ない、運転制御方法を実現する。【解決手段】スクリュープレス汚泥脱水装置(100)の制御部(30)は、スクリュー軸(12a)の駆動モータ(20)の電流値を計測し、計測された電流値が、定格電流値以下の設定電流値を超えるときは、スクリュー軸(12a)の回転数を増加させる制御を行う。【選択図】図2B