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A SYSTEM FOR LIFTING TOP SPRAY HEADERS USED AS LAMINAR COOLING SYSTEM AT RUN OUT TABLE PRIOR TO COILING AT HOT STRIP MILL.
A SYSTEM FOR LIFTING TOP SPRAY HEADERS USED AS LAMINAR COOLING SYSTEM AT RUN OUT TABLE PRIOR TO COILING AT HOT STRIP MILL.
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机译：一种用于在热轧带钢卷取之前在运行表中将用作层流冷却系统的顶部喷头提升的系统。
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摘要
The present invention relates to a system for lifting top spray headers of laminar cooling system at run out table (ROT) at Hot Strip Mill, involving controlled pneumatic lifting ofgoose neck type top headers of cooling systemcapable of lifting the top header assembly at 90 degree, with available pressure (3.54.0 bar) with jerk free operation within 1 minute. Importantly, the system for lifting top headers comprises selectively configured pneumatic lifting cylinders with associated mountings adapted to be fitted in existing cylinder mounting arrangement, compressed air source, air drier to supply dry air to the pneumatic system, air booster to boost the air pressure in case of lower line pressure and Non Return Valve (NRV) to avoid free fall of top headers in case of air failure during lowering the headers. The system can be operated locally as well as remotely from control panel installed at remote location (Operator’s desk) in case of cobble in ROT area and/or during shutdown days.
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