Descaling system, control device of the descaling system, and method for controlling the descaling system
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United States of America Patent
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Jun 30, 2020
Grant Date -
Jan 25, 2018
app pub date -
Feb 9, 2015
filing date -
Feb 9, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
According to an embodiment of the invention, a descaling system is provided that includes multiple descaling headers, a common pipe, a connection pipe, a pump, a drive device, a branch pipe, a valve, and a control device. The multiple descaling headers are provided in a rolling line. The common pipe is connected to each of the multiple descaling headers. The connection pipe is connected to the common pipe. The pump is connected to the connection pipe and supplies high pressure water to each of the multiple descaling headers via the connection pipe and the common pipe. The drive device controls the driving of the pump. The branch pipe is connected to the connection pipe. The valve is provided in the branch pipe and controls the opening/closing of the branch pipe. The control device includes a data collector, a pressure calculator, a pump controller, and a protector. The data collector collects common pipe pressure information indicating the pressure inside the common pipe, rolling material position information indicating the position on the rolling line of a rolling material, and rolling material property information indicating a material property of the rolling material. The pressure calculator calculates the pressure inside the common pipe to satisfy the desired scale removal performance for the rolling material based on the common pipe pressure information, the rolling material position information, and the rolling material property information. The pump controller calculates the operation pattern of the pump to maintain the calculated pressure inside the common pipe and inputs the operation pattern to the drive device. The protector calculates the operation amount of the valve based on the operation pattern and controls the opening/closing of the valve according to the operation amount. Thus, a descaling system, a control device of the descaling system, and a method for controlling the descaling system are provided, in which higher energy conservation is realized and the descaling system has a long life while maintaining the scale removal performance of the descaling system.
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