Heat transfer unit for process fluids

Abstract

A heat transfer unit includes an inlet manifold; an outlet manifold spaced from the inlet manifold; and a plurality of conduits coupling the inlet manifold to the outlet manifold, wherein at least on the conduits is coupled to the outlet manifold at an oblique angle. In one form, the conduit includes a L-Coil. In another form, the conduit includes a D-Coil. In another form, the conduit includes a coil having two or more C-shaped sections. Each conduit includes a section arranged in an interior space of a heater box, and at least one heater is arranged in the interior space of the heater box.

1 . A heat transfer unit for process fluids, the heat transfer unit comprising:
 an inlet manifold;   an outlet manifold spaced from the inlet manifold; and   a plurality of conduits coupling the inlet manifold to the outlet manifold, wherein at least one of the conduits is coupled to the outlet manifold at an oblique angle.   
     
     
         2 . The heat transfer unit of  claim 1 , wherein at least one of the conduits includes a L-Coil. 
     
     
         3 . The heat transfer unit of  claim 1 , wherein at least one of the conduits includes a D-Coil. 
     
     
         4 . The heat transfer unit of  claim 1 , wherein at least one of the conduits includes a coil having a plurality of generally C-shaped sections. 
     
     
         5 . The heat transfer unit of  claim 1 , wherein at least one of the conduits is coupled to the outlet manifold at an angle between about five and eighty-five degrees. 
     
     
         6 . The heat transfer unit of  claim 1 , wherein at least one of the conduits is coupled to the outlet manifold at an angle between about thirty and sixty degrees. 
     
     
         7 . The heat transfer unit of  claim 1 , wherein each of the conduits is coupled to the outlet manifold at an oblique angle. 
     
     
         8 . The heat transfer unit of  claim 1 , wherein each conduit includes a section arranged in an interior space of a heater box and wherein at least one heater is arranged in the interior space of the heater box. 
     
     
         9 . An L-Coil heat transfer unit for process fluids, the L-Coil heat transfer unit comprising:
 an inlet manifold;   an outlet manifold spaced from the inlet manifold; and   an L-Coil coupled between the inlet manifold and the outlet manifold, the L-Coil including a horizontal leg and a vertical leg, the horizontal leg coupled to the outlet manifold at an oblique angle such that a flow aperture formed therebetween defines an oblong profile.   
     
     
         10 . The L-Coil heat transfer unit of  claim 9 , wherein a plurality of L-Coils are coupled to the outlet manifold at an oblique angle. 
     
     
         11 . The L-Coil heat transfer unit of  claim 9 , wherein the L-Coil is arranged at between about a thirty and sixty degree angle relative to the outlet manifold. 
     
     
         12 . The L-Coil heat transfer unit of  claim 9 , wherein the L-Coil is arranged at between about a five and eighty-five degree angle relative to the outlet manifold. 
     
     
         13 . The L-Coil heat transfer unit of  claim 9 , further comprising a heater arranged substantially adjacent a bottom of the L-Coil heat transfer unit. 
     
     
         14 . The L-Coil heat transfer unit of  claim 9 , wherein the L-Coil includes a section arranged in an interior space of a heater box. 
     
     
         15 . A D-Coil heat transfer unit for process fluids, the D-Coil heat transfer unit comprising:
 an inlet manifold;   an outlet manifold spaced from the inlet manifold; and   a D-Coil coupled between the inlet manifold and the outlet manifold, the D-Coil including an inlet section and an outlet section, the inlet section coupled to the inlet manifold at an oblique angle, the outlet section coupled to the outlet manifold at an oblique angle.   
     
     
         16 . The D-Coil heat transfer unit of  claim 15 , wherein a flow aperture formed between the outlet section and the outlet manifold defines an oblong profile. 
     
     
         17 . The D-Coil heat transfer unit of  claim 15 , wherein a plurality of D-Coils are coupled to the inlet manifold at an oblique angle and are coupled to the outlet manifold at an oblique angle. 
     
     
         18 . The D-Coil heat transfer unit of  claim 15 , wherein the inlet section is arranged at between about a thirty and sixty degree angle relative to the inlet manifold, and
 wherein the outlet section is arranged at between about a thirty and sixty degree angle relative to the outlet manifold.   
     
     
         19 . The D-Coil heat transfer unit of  claim 15 , wherein the D-Coil includes a section arranged in an interior space of a heater box. 
     
     
         20 . The D-Coil heat transfer unit of  claim 19 , wherein at least one heater is arranged in the interior space of the heater box.