Boiler system using fuel cell

Abstract

Disclosed is a boiler system using a fuel cell including a boiler installed in a home, a building, or the like, a fuel cell for generating electricity and reaction heat by electrochemical reaction between a fuel and oxygen, a storage tank for recovering and storing the reaction heat generated by the fuel cell with a fluid, a room heating line buried beneath a room floor of the home, the building, or the like, a warm water line connected to supply warm water to a washroom or a kitchen of the home or the building through the boiler or the storage tank when water is supplied thereto from the outside, and a suction and exhaust integrated pipe having at least two of at least one first exhaust line, at least one first suction line of the boiler, at least one second exhaust line, and at least one second suction line of the fuel cell connected thereto to be used in common.

1 . A boiler system using a fuel cell comprising:
 a boiler installed in a home, a building, or the like;   a fuel cell for generating electricity and reaction heat by electrochemical reaction between a fuel and oxygen;   a storage tank for recovering and storing the reaction heat generated by the fuel cell with a fluid;   a room heating line buried beneath a room floor of the home, the building, or the like;   a warm water line connected to supply warm water to a washroom or a kitchen of the home or the building through the boiler or the storage tank when water is supplied thereto from the outside; and   a suction and exhaust integrated pipe having at least two of at least one first exhaust line, at least one first suction line of the boiler, at least one second exhaust line, and at least one second suction line of the fuel cell connected thereto to be used in common.   
     
     
         2 . The boiler system using a fuel cell of  claim 1 , wherein the second suction line has a stack unit which generates electrical energy and heat by electrochemical reaction between hydrogen and oxygen and a reforming unit for receiving the fuel and supplying reformed hydrogen to the stack unit connected thereto. 
     
     
         3 . The boiler system using a fuel cell of  claim 1 , wherein the suction and exhaust integrated pipe is a multiple pipe including at least two pipe members arranged centered on a concentric axis. 
     
     
         4 . The boiler system using a fuel cell of  claim 3 , wherein the at least two pipe members includes a partition wall for dividing a cross-sectional area thereof into at least two areas. 
     
     
         5 . The boiler system using a fuel cell of  claim 1 , wherein the suction and exhaust integrated pipe is constructed of a first pipe member used by the first suction line of the boiler and the second suction line of the fuel cell in common, and another first pipe member used by the first exhaust line of the boiler and the second exhaust line of the fuel cell in common. 
     
     
         6 . The boiler system using a fuel cell of  claim 5 , further comprising damper means or electronic valve means used at each of crossing points of the first suction line of the boiler and the second suction line of the fuel cell and the first exhaust line of the boiler and the second exhaust line of the fuel cell. 
     
     
         7 . The boiler system using a fuel cell of  claim 1 , wherein
 the suction and exhaust integrated pipe is a double pipe having a suction and exhaust integrated opening, wherein   the double pipe has a first pipe member made to be in communication with the first exhaust line of the boiler and the second exhaust line of the fuel cell for the first exhaust line of the boiler and the second exhaust line of the fuel cell to use the first pipe member in common, and a second pipe member which surrounds the first pipe member made and divided with a partition wall to be in communication with the first suction line of the boiler and the second suction line of the fuel cell for the first suction line of the boiler and the second suction line of the fuel cell to use the second pipe member, respectively.   
     
     
         8 . The boiler system using a fuel cell of  claim 7 , further comprising a damper means or an electronic valve means provided at a crossing point of the first exhaust line of the boiler and the second exhaust line of the fuel cell which use the first pipe member in common. 
     
     
         9 . The boiler system using a fuel cell of  claim 1 , wherein
 the suction and exhaust integrated pipe is a double pipe having a suction and exhaust integrated opening with partition walls formed on inner and outer pipe members, and wherein   the double pipe has the first pipe member divided with a partition wall into a first area and a second area to be in communication with the first exhaust line of the boiler and the second exhaust line of the fuel cell, respectively, and the second pipe member which surrounds the first pipe member is also divided with a partition wall into a third area and a fourth area to be in communication with the first suction line of the boiler and the second suction line of the fuel cell, respectively.   
     
     
         10 . The boiler system using a fuel cell of  claim 1 , wherein the suction and exhaust integrated pipe is a triple pipe having a suction and exhaust integrated opening, wherein the triple pipe has the first pipe member in communication with the first exhaust line of the boiler and the second exhaust line of the fuel cell for the first exhaust line of the boiler and the second exhaust line of the fuel cell use the first pipe member in common, and the second pipe member and the third pipe member which surround the first pipe member in succession to be in communication with the second suction line of the fuel cell and the first suction line of the boiler, respectively. 
     
     
         11 . The boiler system using a fuel cell of  claim 10 , further comprising a partition wall mounted to the first pipe member to divide a cross-sectional area of the first pipe member into two areas for making the first exhaust line of the boiler and the second exhaust line of the fuel cell to be in communication therewith, respectively. 
     
     
         12 . The boiler system using a fuel cell of  claim 10 , further comprising a damper means or an electronic valve means provided at a crossing point of the first exhaust line of the boiler and the second exhaust line of the fuel cell which use the first pipe member in common. 
     
     
         13 . The boiler system using a fuel cell of  claim 2 , wherein the suction and exhaust integrated pipe is a multiple pipe including at least two pipe members arranged centered on a concentric axis. 
     
     
         14 . The boiler system using a fuel cell of  claim 13 , wherein the at least two pipe members includes a partition wall for dividing a cross-sectional area thereof into at least two areas.