Our WSN-based NDT solution was tested in the harsh operating environment of the Oil Sands, northern Alberta,
Canada, to monitor the thickness of the steel mesh in the deployed vibration screens, as described in [5]. The steel
mesh is coated with a thin tungsten layer to prolong the operational lifetime of the mesh screen. The main
responsibility of the vibration screens is to filter out large ores from the tar-sand. After an extended period of time,
approximately 2000 hours, the tungsten layer is completely etched away by the constant flow of sand, thus, exposing
the steel layer. The steel layer is much weaker than the tungsten layer, and can be completely etched away within
few days of exposure. Critically low levels of steel thickness can break off forming larger screen holes, where large
ores can sift through causing damage and congestion to the hydrotransport pipes. At this point, the production
process must be halted for an extended period of time for repairs, which leads to significant production loss.
Previous to our solution, maintenance checks where manually performed by a an operator whom would visually
inspect the thickness of the tungsten and steel layer, and draw a conclusion whether to change the sheet or not based
on experience. This technique incurs mental pressure on the inspector to make the right decision, which often leads
Our WSN-based NDT solution was tested in the harsh operating environment of the Oil Sands, northern Alberta,
Canada, to monitor the thickness of the steel mesh in the deployed vibration screens, as described in [5]. The steel
mesh is coated with a thin tungsten layer to prolong the operational lifetime of the mesh screen. The main
ความรับผิดชอบของการสั่นสะเทือนหน้าจอเพื่อกรองแร่ขนาดใหญ่จากทรายน้ำมันดิน . หลังจากที่ขยายระยะเวลา
ประมาณ 2000 ชั่วโมง ทังสเตน ชั้นจะฝังไปโดยการไหลคงที่ของทราย ดังนั้น การเปิดเผย
เหล็กชั้น เหล็กชั้นอ่อนแอมากกว่า ทังสเตน ชั้น และสามารถจะสมบูรณ์ฝังไปภายในไม่กี่วันของการเปิดรับแสง
. Critically low levels of steel thickness can break off forming larger screen holes, where large
ores can sift through causing damage and congestion to the hydrotransport pipes. At this point, the production
process must be halted for an extended period of time for repairs, which leads to significant production loss.
Previous to our solution, maintenance checks where manually performed by a an operator whom would visually
inspect the thickness of the tungsten and steel layer, and draw a conclusion whether to change the sheet or not based
on experience. This technique incurs mental pressure on the inspector to make the right decision, which often leads
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