Cooling chamber assembly for a gasifier

Abstract

A gasifier includes a combustion chamber in which a combustible fuel is burned to produce a syngas and a particulated solid residue. A cooling chamber having a liquid coolant is disposed downstream of the combustion chamber. A dip tube is disposed coupling the combustion chamber to the cooling chamber. The syngas is directed from the combustion chamber to the cooling chamber via the dip tube to contact the liquid coolant and produce a cooled syngas. An asymmetric or symmetric liquid separator is disposed proximate to an exit path of the cooling chamber and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path.

1 . A gasifier comprising:
 a combustion chamber in which a combustible material is burned to produce a syngas,   a cooling chamber having a liquid coolant disposed downstream of the combustion chamber,   a dip tube coupling the combustion chamber to the cooling chamber and configured to direct syngas from the combustion chamber to the cooling chamber to contact the liquid coolant and produce a cooled syngas;   a draft tube disposed surrounding the dip tube and defining an annular passage there between;   an asymmetric or symmetric liquid separator disposed proximate to an exit path of the cooling chamber and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path.   
     
     
         2 . The gasifier of  claim 1 , wherein the cooling chamber comprises a quench chamber for a gasifier. 
     
     
         3 . The gasifier of  claim 1 , wherein the cooling chamber comprises a scrubber. 
     
     
         4 . The gasifier of  claim 1 , wherein the asymmetric or symmetric liquid separator comprises a deflector coupled to the dip tube and configured to redirect the flow of the cooled syngas from the annular passage. 
     
     
         5 . The gasifier of  claim 4 , wherein the asymmetric or symmetric liquid separator comprises a plurality of fins provided to the deflector and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path. 
     
     
         6 . The gasifier of  claim 4 , wherein the asymmetric or symmetric liquid separator comprises a plurality of holes provided in the deflector for directing a portion of cooled syngas to a region upstream of the deflector in the cooling chamber. 
     
     
         7 . The gasifier of  claim 1 , wherein the asymmetric or symmetric liquid separator comprises a conical shaped faceted or round separator. 
     
     
         8 . The gasifier of  claim 7 , wherein the faceted baffle comprises a plurality of splash plates. 
     
     
         9 . The gasifier of  claim 7 , wherein the asymmetric or symmetric liquid separator comprises a plurality of baffle elements provided to the conical shaped faceted or round separator and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path. 
     
     
         10 . The gasifier of  claim 9 , wherein the baffle elements are v-shaped. 
     
     
         11 . The gasifier of  claim 10 , wherein the asymmetric or symmetric liquid separator comprises a channel between mutually adjacent baffle elements; wherein the channel is configured to drain the removed entrained liquid. 
     
     
         12 . The gasifier of  claim 11 , wherein the asymmetric or symmetric liquid separator comprises a pipe coupled to the channel and configured to transfer the removed entrained liquid from the channel to the cooling chamber. 
     
     
         13 . A gasifier comprising:
 a combustion chamber in which a combustible material is burned to produce a syngas,   a cooling chamber having a liquid coolant disposed downstream of the combustion chamber,   a dip tube coupling the combustion chamber to the cooling chamber and configured to direct syngas from the combustion chamber to the cooling chamber to contact the liquid coolant and produce a cooled syngas;   a draft tube disposed surrounding the dip tube and defining an annular passage there between;   a finned asymmetric or symmetric liquid separator disposed proximate to an exit path of the cooling chamber and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path.   
     
     
         14 . The gasifier of  claim 13 , wherein the finned asymmetric or symmetric liquid separator comprises a deflector coupled to the dip tube and configured to redirect the flow of the cooled syngas from the annular passage. 
     
     
         15 . The gasifier of  claim 14 , wherein the deflector is elliptical shaped, or rectangular shaped, or trapezoidal shaped. 
     
     
         16 . The gasifier of  claim 14 , wherein the finned asymmetric or symmetric liquid separator comprises a plurality of fins provided to the deflector and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path. 
     
     
         17 . The gasifier of  claim 16 , wherein the plurality of fins comprises straight fins, curved fins, angled fins, or combinations thereof. 
     
     
         18 . The gasifier of  claim 16 , wherein the plurality fins are arranged in a circular direction, polygonal direction, radial direction, tangential direction, or combinations thereof. 
     
     
         19 . The gasifier of  claim 16 , wherein the plurality of fins are arranged in a single row, or a multi-row, or slanted-row, or staggered form. 
     
     
         20 . The gasifier of  claim 14 , wherein the finned asymmetric or symmetric liquid separator comprises a plurality of holes provided in the deflector for directing a portion of cooled syngas to a region upstream of the deflector in the cooling chamber. 
     
     
         21 . A gasifier comprising:
 a combustion chamber in which a combustible material is burned to produce a syngas,   a cooling chamber having a liquid coolant disposed downstream of the combustion chamber,   a dip tube coupling the combustion chamber to the cooling chamber and configured to direct syngas from the combustion chamber to the cooling chamber to contact the liquid coolant and produce a cooled syngas;   a draft tube disposed surrounding the dip tube and defining an annular passage there between;   a asymmetric or symmetric faceted or round liquid separator disposed proximate to an exit path of the cooling chamber and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path.   
     
     
         22 . The gasifier of  claim 21 , wherein the asymmetric or symmetric faceted or round liquid separator comprises a conical shaped faceted or round separator. 
     
     
         23 . The gasifier of  claim 22 , wherein the faceted baffle comprises a plurality of splash plates. 
     
     
         24 . The gasifier of  claim 22 , wherein the asymmetric or symmetric faceted or round liquid separator comprises a plurality of baffle elements provided to the conical shaped faceted or round separator and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path. 
     
     
         25 . The gasifier of  claim 24 , wherein the baffle elements are v-shaped. 
     
     
         26 . The gasifier of  claim 25 , wherein the asymmetric or symmetric faceted or round liquid separator comprises a channel between mutually adjacent baffle elements; wherein the channel is configured to drain the removed entrained liquid. 
     
     
         27 . The gasifier of  claim 26 , wherein the asymmetric or symmetric liquid separator comprises a pipe coupled to the channel and configured to transfer the removed entrained liquid from the channel to the cooling chamber.