System for feeding multiple burners

Abstract

A system for feeding a plurality of burners ( 2 a, 2 b, 2 c, 2 d, 2 n ) includes a manifold ( 1 ) into which a flow of gaseous fuel is introduced via an inlet duct ( 5 ), said manifold ( 1 ) including an hollow body ( 3 ) provided with a plurality of outlets ( 6 ) each of which can be connected to a respective burner ( 2 a, 2 b, 2 c, 2 d, 2 n ), said manifold ( 1 ) further comprises distributing means ( 4 ) for selectively distributing said fuel to said burners ( 2 a, 2 b, 2 c, 2 d, 2 n ), said distributing means ( 7 ) being provided with connecting means ( 8 ) with one or more of said outlets ( 6 ).

1 . A system for feeding a plurality of burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ) conprising a manifold ( 1 ) into which a gaseous flow of fuel is introduced via an inler duct ( 5 ), said manifold ( 1 ) comprising an internally hollow body ( 3 ) provided with a plurality of outlets ( 6 ) each of which may be connected to a respective burner ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ), said distributing means ( 7 ) being provided with connecting means ( 8 ) with one or more of said outlets ( 6 ).  
     
     
         2 . System according to  claim 1 , wherein said distributing means ( 4 ) comprises a distributing body ( 7 ) arranged inside said manifold ( 1 ) and rotatingly coupled with it, said connecting means ( 8 ) including a plurality of openings ( 8 ) of said distributing body ( 7 ) suitable to be connected with said outlets ( 6 ).  
     
     
         3 . System according to  claim 1 , or  2 , wherein said outlets ( 6 ) are arranged along a generatrix of the surface of the body ( 3 ) of said manifold ( 1 ).  
     
     
         4 . System according to  claim 2 , or  3 , wherein said openings ( 8 ) are arranged in groups along generatrices of the outer surface of said distributing body ( 7 ).  
     
     
         5 . System according to  claim 4 , wherein the distance between two adjacent openings ( 8 ) in each of said groups is equal to the distance between two of said mutually adjacent outlets ( 6 ), or to a multiple of said distance.  
     
     
         6 . System according to any of  claims 2  to  5  and further comprising sealing means interposed between the body ( 3 ) of the manifold ( 1 ) and said distributing body ( 7 ).  
     
     
         7 . System according to any of preceding claims, and further comprising connecting means to connect said openings ( 6 ) to said burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ).  
     
     
         8 . System according to  claim 7 , wherein said connencting means comprises hose means.  
     
     
         9 . System according to any of preceding claims, wherein said burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ) comprise a first burners ( 2   a ), a plurality of intermediate burners ( 2   b ,  2   c ,  2   d ) and a last burner ( 2   n ), in any relative position but such that said first burner ( 2   a ) and said last burner ( 2   n ) are arranged with one of their ends close to an end of one of said intermediate burners ( 2   b ,  2   c ,  2   d ), each of said intermediate burners ( 2   b ,  2   c ,  2   d ) being close at both ends to adjacent burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ).  
     
     
         10 . System according to any of  claims 1  to  8 , wherein said burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ) are arranged in such manner that one of them ( 2   a ) is close to an end of each of the other burners. ( 2   b ,  2   c ,  2   d ,  2   n ).  
     
     
         11 . System according to  claim 9 , or  10 , wherein one of said burners ( 2   a ) is associated with ignition means ( 9 ) for igniting said gaseous fuel and with monitoring means ( 10 ) for monitoring the combustion of said gaseous fuel.  
     
     
         12 . System according to any of  claims 2  to  11 , wherein said distributing body ( 7 ) is associated with rotation means suitable to angularly rotate it with respect to the body ( 3 ) of the manifold ( 1 )  
     
     
         13 . System for feeding a plurality of burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ) comprising a manifold ( 1 ) into which a flow of gaseous fuel is introduced via an inlet duct ( 5 ), said manifold ( 1 ) comprising an internally hollow body ( 3 ) provided with a plurality of outlets ( 6 ) each of which may be connected to a respective burner ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ), characterised in that said outlets ( 6 ) are arranged along a circumference of the outer surface of the body ( 3 ) of said manifold ( 1 ).  
     
     
         14 . System according to  claim 13 , wherein said burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ) are radially arranged with respect to said manifold ( 1 ).  
     
     
         15 . System according to  claim 13 , or  14 , wherein one of said burners ( 2   a ) is associated with ignition means ( 9 ) for igniting said gaseous fuel and monitoring means ( 10 ) for monitoring the combustion of said gaseous fuel.  
     
     
         16 . System according to any of  claims 13  to  15 , wherein said manifold ( 1 ) is associated with inter-ignition means ( 11 ) suitable to assure the inter-ignition of said burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ).  
     
     
         17 . System according to  claim 16 , wherein said inter-ignition means comprises an annular protrusion ( 11 ) of the body ( 3 ) of the manifold ( 1 ), which is positioned above said outlets ( 6 ) and partially covers the diffuser of each burner ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ).  
     
     
         18 . A system for feeding a plurality of burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ) comprising a manifold ( 1 ) into which a gaseous flow of fuel is introduced via an inlet duct ( 5 ), said manifold ( 1 ) comprising an internally hollow body ( 3 ) provided with a plurality of outlets ( 6 ) each of which may be connected to a respective burner ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ), characterised in that said manifold ( 1 ) comprises distributing means ( 4 ) for selectively distributing said fuel to said burners ( 2   a ,  2   b ,  2   c ,  2   d ,  2   n ), said distributing means ( 7 ) being provided with connecting means ( 8 ) with one or more of said outlets ( 6 ).  
     
     
         19 . System according to  claim 18 , wherein said distributing means ( 4 ) comprises a distributing body ( 7 ) arranged inside said manifold ( 1 ) and rotatingly coupled with it, said connecting means ( 8 ) including a plurality of openings ( 8 ) of said distributing body ( 7 ) suitable to be connected with said outlets ( 6 ).  
     
     
         20 . System according to  claim 18 , wherein said outlets ( 6 ) are arranged along a generatrix of the surface of the body ( 3 ) of said manifold ( 1 ).  
     
     
         21 . System according to  claim 19 , wherein said openings ( 8 ) are arranged in groups along generatrices of the outer surface of said distributing body ( 7 ).  
     
     
         22 . System according to  claim 21 , wherein the distance between two adjacent openings ( 8 ) in each of said groups is equal to the distance between two of said mutually adjacent outlets ( 6 ), or to a multiple of said distance.