White smoke reducing system and method of recovering waste heat and water using the same

摘要

Disclosed therein are a white smoke reducing system and a method of recovering waste heat and water using the white smoke reducing system. The white smoke reducing system includes a discharge gas inflow pipe, a water recovery part, a sensible heat exchanger, a first latent heat exchanger, a second latent heat exchanger, a steam separator, a discharge part, a circulation duct, and a mixing duct.

主权项

1. A white smoke reducing system, comprising:
a discharge gas inflow pipe configured to supply an exhaust gas containing a vapor; a water recovery part including:
a discharge gas inlet connected with the discharge gas inflow pipe supplied by the discharge gas inflow pipe, and disposed at one side of the water recovery part, for receiving the exhaust gas;a flat-shaped upper plate disposed at an upper portion of the water recovery part, and having a water recovery hole having a frame-shape; anda cylindrical water recovery pipe disposed at a lower portion of the water recovery part; a sensible heat exchanger disposed on the water recovery part and including:
a flat-shaped lower plate coupled with the upper plate of the water recovery part, and having an inner space corresponding to the upper plate of the water recovery part;a corrugated heat exchanging unit disposed on the lower plate, and having a plurality of corrugated sheets mounted at right angles to the lower plate, wherein the corrugated sheets are arranged in such manner that corrugations of one corrugated sheet of the sensible heat exchanger and corrugations of another corrugated sheet of the sensible heat exchanger are symmetric with respect to a plane between the one corrugated sheet of the sensible heat exchanger and the another corrugated sheet of the sensible heat exchanger so that exhaust conduits for moving the exhaust gas are formed between the corrugated sheets;flat-shaped heat exchanging unit covers respectively disposed at upper and lower portions of the corrugated heat exchanging unit, and having through holes disposed corresponding to the exhaust conduits for moving the exhaust gas;side plates disposed at two sides of an outer periphery of the corrugated heat exchanging unit, and respectively having an air inlet and an air outlet; andan upper plate mounted on upper portions of the side plates, and having an inner space corresponding to the lower plate; a first latent heat exchanger disposed on the sensible heat exchanger, and made of stacked assemblies, wherein the stacked assemblies include:
a first lowermost assembly including a water outlet pipe on one side and a single set of water circulation holes at the opposite side,middle assemblies each of which includes one set of water circulation holes at each end of each middle assembly;a first uppermost assembly including a water inlet pipe on one side and a single set of water circulation holes at the opposite side,wherein each of the stacked assemblies includes:
a first lower plate having an inner space corresponding to the upper plate of the sensible heat exchanger;a first corrugated heat exchanging unit disposed on the first lower plate, and having a plurality of corrugated sheets mounted at right angles to the first lower plate, wherein the corrugated sheets of the first corrugated heat exchanging unit are arranged in such manner that corrugations of one corrugated sheet of the first corrugated heat exchanging unit and corrugations of another corrugated sheet of the first corrugated heat exchanging unit are symmetric with respect to a plane between the one corrugated sheet of the first corrugated heat exchanging unit and the another corrugated sheet of the first corrugated heat exchanging unit so that first exhaust conduits for moving the exhaust gas are formed between the corrugated sheets of the first corrugated heat exchanging unit;flat-shaped first heat exchanging unit covers respectively disposed at upper and lower portions of the first corrugated heat exchanging unit, and having through holes disposed corresponding to the first exhaust conduits for moving the exhaust gas;first side plates disposed at an outer periphery of the first corrugated heat exchanging unit, and being at right angles to the first lower plate;a first upper plate mounted on upper portions of the first side plates, and having an inner space corresponding to the first lower plate; a second sensible heat exchanger disposed on the first latent heat exchanger, and including:
a second lower plate coupled with an upper portion of the first upper plate of the first latent heat exchanger, and having an inner space corresponding to the first upper plate of the first uppermost assembly of the first latent heat exchanger;a second corrugated heat exchanging unit disposed on the second lower plate, and having a plurality of corrugated sheets mounted at right angles to the second lower plate, wherein the corrugated sheets of the second corrugated heat exchanging unit are arranged in such manner that corrugations of one corrugated sheet of the second corrugated heat exchanging unit and corrugations of another corrugated sheet of the second corrugated heat exchanging unit are symmetric with respect to a plane between the one corrugated sheet of the second corrugated heat exchanging unit and the another corrugated sheet of the second corrugated heat exchanging unit so that second exhaust conduits for moving the exhaust gas are formed between the corrugated sheets of the second corrugated heat exchanging unit;flat-shaped second heat exchanging unit covers respectively disposed at upper and lower portions of the second corrugated heat exchanging unit, and having through holes disposed corresponding to the second exhaust conduits for moving the exhaust gas;second side plates disposed at two sides of an outer periphery of the second corrugated heat exchanging unit, and having an outside air outlet perforated in one of the second side plates and an outside air inlet perforated in the other of the second side plates, for introducing an outside air;a flat-shaped upper dispersion plate disposed at the outside air inlet, and including a plurality of through holes configured to allow entering of outside air; anda second upper plate disposed on the second side plates, and having an inner space disposed corresponding to the second lower plate; a steam separator disposed on the second sensible heat exchanger, and including:
a lower plate coupled with an upper portion of the second upper plate of the second sensible heat exchanger, and having an inner space disposed corresponding to the second upper plate of the second sensible heat exchanger;a plurality of flat-shaped steam separating members respectively spaced apart from one another on the lower plate of the steam separator;blocking members respectively disposed at front ends of upper portions of the steam separating members, and respectively being bent downwardly;side plates disposed on outer circumferential surfaces of the steam separating members and the blocking members; andan upper plate disposed on the side plates of the steam separator, and having an inner space disposed corresponding to the lower plate of the steam separator; a discharge part disposed on the steam separator, and including:
a lower plate coupled with the upper portion of the upper plate of the steam separator, and having an inner space disposed corresponding to the upper plate of the steam separator;side plates disposed on the lower plate of the discharge part, wherein the side plates of the discharge part are assembled in such a manner that upper and lower portions of the discharge part are opened, and that an outer periphery of the discharge part is gradually narrowed in an upward direction;an inlet disposed in at least one of the side plates of the discharge part; anda flat-shaped dispersion plate disposed inside the inlet of the discharge part, and having a plurality of through holes disposed in the flat-shaped dispersion plate; a circulation duct connected with the air inlet of the sensible heat exchanger and the outside air outlet of the second sensible heat exchanger for supplying the outside air of the second sensible heat exchanger to the sensible heat exchanger; and a mixing duct connected to the air outlet of the sensible heat exchanger and the inlet of the discharge part for supplying the outside air discharged through the air outlet of the sensible heat exchanger to the discharge part through the inlet of the discharge part.