Sealing water system

Abstract

A sealing water system for flushing a rotating mechanical seal includes a closed circuit. A supply pump is disposed in the closed circuit so as to act upon the rotating mechanical seal with sealing water. The closed circuit is configured to collect and recirculate the sealing water.

1 . A sealing water system for flushing a rotating mechanical seal, the sealing water system comprising:
 a closed circuit and a supply pump disposed in the closed circuit so as to act upon the rotating mechanical seal with sealing water, the closed circuit being configured to collect and recirculate the sealing water.   
     
     
         2 . The sealing water system according to  claim 1 , wherein the rotating mechanical seal is disposed in a pump. 
     
     
         3 . The sealing water system according to  claim 1 , further comprising a sealing water temperature adjustor disposed in the closed circuit upstream of the rotating mechanical seal. 
     
     
         4 . The sealing water system according to  claim 1 , wherein at least one of the closed circuit and a treatment plant associated with the closed circuit is configured to regenerate the collected sealing water. 
     
     
         5 . The sealing water system according to  claim 1 , further comprising at least one sealing water storage tank disposed in the closed circuit. 
     
     
         6 . The sealing water system according to  claim 5 , wherein the at least one sealing water storage tank includes a clean water refill device. 
     
     
         7 . The sealing water system according to  claim 2 , wherein the sealing water temperature adjustor is disposed in the closed circuit between the supply pump and the rotating mechanical seal and includes a heat exchanger disposed in a flow line of the closed circuit. 
     
     
         8 . The sealing water system according to  claim 7 , wherein the heat exchanger includes a cooler operated with cooling water. 
     
     
         9 . The sealing water system according to  claim 5 , wherein the rotating mechanical seal is connected with the at least one sealing water storage tank via a return line disposed so as to receive the collected sealing water. 
     
     
         10 . The sealing water system according to  claim 9 , further comprising a return pump disposed in the return line and configured to pump the collected sealing water to the at least one sealing water storage tank. 
     
     
         11 . The sealing water system according to  claim 1 , further comprising a plurality of the rotating mechanical seals disposed in parallel in a flow line of the closed circuit such that the supply pump acts upon each of the rotating mechanical seals with the sealing water, each of the rotating mechanical seals including a return line, each of the return lines being connected to a common main return line of the closed circuit. 
     
     
         12 . The sealing water system according to  claim 11 , further comprising a heat exchanger disposed in the closed circuit upstream of each of the rotating mechanical seals. 
     
     
         13 . The sealing water system according to  claim 1 , further comprising a plurality of the supply pumps disposed in the closed circuit and a plurality of the rotating mechanical seals connected in parallel to a common sealing water storage tank via branched flow lines of the closed circuit, each of the branched flow lines being disposed such that a respective one of the supply pumps acts upon a respective one of the rotating mechanical seals with the sealing water. 
     
     
         14 . The sealing water system according to  claim 1 , further comprising a return line being disposed with respect to the rotating mechanical seal so as to receive the collected sealing water and a pressure compensation tank disposed in the return line. 
     
     
         15 . The sealing water system according to  claim 14 , further comprising a return pump disposed in the return line downstream of the pressure compensation tank and configured to pump the collected sealing water to at least one sealing water storage tank. 
     
     
         16 . The sealing water system according to  claim 1 , further comprising a filter disposed at a delivery side of the supply pump. 
     
     
         17 . The sealing water system according to  claim 1 , further comprising a return line being disposed with respect to the rotating mechanical seal so as to receive the collected sealing water and a filter disposed in the return line. 
     
     
         18 . The sealing water system according to  claim 14 , further comprising at least one of a level measuring probe and a monitoring probe disposed at at least one of a sealing water storage tank disposed in the closed circuit and the pressure compensation tank. 
     
     
         19 . The sealing water system according to  claim 18 , wherein the at least one of the level measuring probe and the monitoring probe is connected to a system control. 
     
     
         20 . The sealing water system according to  claim 5 , further comprising an automatic or manual cleaning device associated with the at least one sealing water storage tank.