Temperature control system

Abstract

A temperature control system used for cooling a rolling mill product is provided. The temperature control system includes a plurality of isolation valves that are directly coupled to one or more water boxes. At least one pump is coupled to the isolation valves. The at least one pump provides the pressure needed for cooling. The isolation valves are positioned to reduce the time required to build up pressure for cooling and reducing the metallurgical property transition length of the rolling mill product.

What is claimed is: 
     
         1 . A temperature control system used for cooling a rolling mill product comprising:
 a plurality of isolation valves that are directly coupled to or approximately near one or more water boxes; and   at least one pump that is coupled to the isolation valves, the pump provides the pressure needed for cooling, wherein the isolation valves are positioned to reduce the time required to build up pressure for cooling and reducing the metallurgical property transition length of the rolling mill product.   
     
     
         2 . The temperature control system of  claim 1 , wherein the isolation valves are located outside the one or more water boxes. 
     
     
         3 . The temperature control system of  claim 1 , wherein the one or more water boxes comprise a plurality of cooling nozzles for cooling the rolling mill product. 
     
     
         4 . The temperature control system of  claim 3 , wherein each of the cooling nozzles correspond to one isolation valve. 
     
     
         5 . The temperature control system of  claim 1 , wherein the pump comprises a Variable Frequency Drive (VFD) pump. 
     
     
         6 . The temperature control system of  claim 1 , wherein the pump delivers the required set point pressure without additional control. 
     
     
         7 . The temperature control system of  claim 1 , wherein the one or more water boxes are grouped into a plurality of zones. 
     
     
         8 . The temperature control system of  claim 7  further comprising a plurality of zone VFD control pumps that modulate the rolling mill condition parameters based on the zones and finishing temperatures. 
     
     
         9 . The temperature control system of  claim 7  further comprising a plurality of zone pressure reducing valves that modulate the rolling mill condition parameters based on the zones and finishing temperatures. 
     
     
         10 . The temperature control system of  claim 9 , wherein the zone pressure reducing valves deliver the required zone pressure set point. 
     
     
         11 . The temperature control system of  claim 7  further comprising a plurality of pressure transmitters are positioned at each zone to detect its pressure. 
     
     
         12 . A method of configuring a temperature control system used for cooling a rolling mill product comprising:
 positioning a plurality of isolation valves that are directly coupled to one or more water boxes to reduce the time required to build up pressure for cooling and reducing the metallurgical property transition length of the rolling mill product; and   coupling at least one pump to the isolation valves to provide the pressure needed for cooling.   
     
     
         13 . The temperature control system of  claim 12 , wherein the isolation valves are located outside the one or more water boxes. 
     
     
         14 . The temperature control system of  claim 12 , wherein the one or more water boxes comprise a plurality of cooling nozzles for cooling the rolling mill product. 
     
     
         15 . The temperature control system of  claim 14 , wherein each of the cooling nozzles correspond to one isolation valve. 
     
     
         16 . The temperature control system of  claim 12 , wherein the at least one pump comprises a Variable Frequency Drive (VFD) pump. 
     
     
         17 . The temperature control system of  claim 12 , wherein the at least one pump delivers the required set point pressure without additional control. 
     
     
         18 . The temperature control system of  claim 12 , wherein the one or more water boxes are grouped into a plurality of zones. 
     
     
         19 . The temperature control system of  claim 18  further comprising a plurality of zone VFD control pumps that modulate the rolling mill condition parameters based on the zones and finishing temperatures. 
     
     
         20 . The temperature control system of  claim 18  further comprising a plurality of zone pressure reducing valves that modulate the rolling mill condition parameters based on the zones and finishing temperatures. 
     
     
         21 . The temperature control system of  claim 20 , wherein the zone pressure reducing valves deliver the required zone pressure set point. 
     
     
         22 . The temperature control system of  claim 18  further comprising a plurality of pressure transmitters are positioned at each zone to detect its pressure.