System for cooling gas turbine inlet air

Abstract

A system includes a turbine air quality device. The turbine air quality device includes a liquid desiccant path configured to circulate a liquid desiccant through an air flow directed to a turbine inlet. The turbine air quality device also includes a porous media disposed in the liquid desiccant path, wherein the porous media is configured to pass the air flow in direct contact with the liquid desiccant.

1 . A system, comprising:
 a turbine air quality device, comprising:
 a liquid desiccant path configured to circulate a liquid desiccant through an air flow directed to a turbine inlet; and 
 a porous media disposed in the liquid desiccant path, wherein the porous media is configured to pass the air flow in direct contact with the liquid desiccant. 
   
     
     
         2 . The system of  claim 1 , wherein the liquid desiccant is configured to remove moisture from the air flow. 
     
     
         3 . The system of  claim 2 , wherein the liquid desiccant path comprises a sump configured to collect the liquid desiccant and a pump configured to return the liquid desiccant into the porous media. 
     
     
         4 . The system of  claim 3 , wherein the liquid desiccant path comprises a spray device configured to spray the liquid desiccant into the air flow toward an inlet side of the porous media. 
     
     
         5 . The system of  claim 2 , wherein the liquid desiccant path comprises a manifold disposed on a top portion of the porous media, and the manifold is configured to channel the liquid desiccant into an interior of the porous media. 
     
     
         6 . The system of  claim 1 , wherein the liquid desiccant path comprises a cooler configured to cool the liquid desiccant, and the liquid desiccant is configured to cool the air flow. 
     
     
         7 . The system of  claim 1 , comprising a liquid desiccant heater configured to heat the liquid desiccant after passing through the porous media, and a liquid desiccant cooler configured to cool the liquid desiccant after the liquid desiccant heater to remove water in the liquid desiccant. 
     
     
         8 . A system, comprising:
 an air cooler, comprising:
 an airpath; 
 a heat exchanger configured to cool a liquid desiccant; and 
 a chiller configured to receive the liquid desiccant and to flow the liquid desiccant into direct contact with the airpath, wherein the liquid desiccant is configured to cool and remove moisture from air in the airpath. 
   
     
     
         9 . The system of  claim 8 , comprising a media configured to flow the liquid desiccant through the airpath. 
     
     
         10 . The system of  claim 9 , wherein the media comprises a porous media configured to directly contact the liquid desiccant with the air in the airpath. 
     
     
         11 . The system of  claim 9 , comprising spray injector configured to spray the liquid desiccant onto the media. 
     
     
         12 . The system of  claim 9 , comprising a mist eliminator in the airpath downsteam of the media, wherein the mist eliminator is configured to remove fluid from the air in the airpath. 
     
     
         13 . The system of  claim 9 , comprising a liquid desiccant regenerator configured to remove moisture from the liquid desiccant. 
     
     
         14 . The system of  claim 8 , comprising a spray injector configured to spray the liquid desiccant into the airpath. 
     
     
         15 . The system of  claim 8 , comprising a sump configured to collect the liquid desiccant and a pump configured to pass the liquid desiccant from the sump to the liquid desiccant cooler. 
     
     
         16 . A system, comprising:
 a media chiller, comprising:   an airpath;   a liquid desiccant path; and   a porous media disposed in both the airpath and the liquid desiccant path in the media chiller, wherein the porous media is configured to enable direct contact between air in the airpath and liquid dessicant in the liquid desiccant path.   
     
     
         17 . The system of  claim 16 , comprising a liquid desiccant regenerator configured to remove moisture from the liquid desiccant. 
     
     
         18 . The system of  claim 16 , comprising a spray injector configured to spray the liquid desiccant into the airpath or into the porous media. 
     
     
         19 . The system of  claim 16 , wherein the porous media comprises plastic, graphite, or a metallic compound. 
     
     
         20 . The system of  claim 16 , wherein the liquid desiccant comprises lithium chloride, lithium bromide, or potassium formate.