Grate panel, as well as corresponding incineration grate and waste incineration plant

Abstract

The invention pertains to a grate panel for an incineration grate, an incineration grate composed of grate panels, as well as a solid waste incineration plant with such an incineration grate.

1 . A grate panel for an incineration grate with the following characteristics: 
 a) the grate panel has an upper side ( 10 ), a lower side ( 12 ), two long sides ( 14 ,  16 ) and two broadsides;    b) the grate panel contains at least one device for connecting a support element ( 20 ) adjacent to a first long side ( 14 ), and    c) at least one flow channel ( 32 ) is arranged underneath and adjacent to a second long side ( 16 ) of an adjacent second section of the upper side ( 10 ), wherein air can be conveyed from a region that is situated underneath the grate panel to an opening ( 32   o ) in the section ( 16   u ) of the second long side ( 16 ) that is situated adjacent to the lower side ( 14 ), and    d) at least one channel ( 40 ) for conveying a cooling medium extends in a first section ( 10   r ) of the upper side ( 10 ) adjacent to the first long side ( 14 ).    
     
     
         2 . The grate panel according to  claim 1 , realized with a plurality of recesses ( 22 ) underneath the upper side ( 10 ), wherein said recesses are respectively open toward the lower side ( 12 ) and extend from a region ( 14   a ) adjacent to the first long side ( 14 ) to a region adjacent to the second long side ( 16 ).  
     
     
         3 . The grate panel according to  claim 1 , wherein the flow channel ( 32 ) extends perpendicular to the long sides ( 14 ,  16 ) of the grate panel.  
     
     
         4 . The grate panel according to  claim 1 , wherein the flow channel ( 32 ) has a length that corresponds to 10-50% of the length of the broadsides.  
     
     
         5 . The grate panel according to  claim 1 , wherein an upper (outer) wall of the flow channel ( 32 ) is formed by the upper side ( 10 ) and the second long side ( 16 ).  
     
     
         6 . The grate panel according to  claim 1 , wherein a lower (inner) wall ( 30 ) of the flow channel ( 32 ) is formed by a rib extending between walls ( 24 ) that form lateral limitations of the corresponding recess ( 22 ).  
     
     
         7 . The grate panel according to  claim 1 , wherein the lower side ( 12 ) is realized with a downwardly protruding projection ( 30   v ) adjacent to the second long side ( 16 ).  
     
     
         8 . The grate panel according to  claim 1 , wherein the upper side ( 10 ) is realized thinner in its section ( 10   v ) situated adjacent to the flow channel ( 32 ) than in the first section ( 10   r ) that accommodates the channel ( 40 ).  
     
     
         9 . The grate panel according to  claim 1 , wherein the second long side ( 16 ) is realized thinner in its section adjacent to the flow channel ( 32 ) than the upper side ( 10 ) in the section ( 10   r ) that accommodates the channel.  
     
     
         10 . The grate panel according to  claim 1 , comprising several interconnected segments (T 1 , T 2 ) that adjoin one another in the direction of the long sides ( 14 ,  16 ).  
     
     
         11 . The grate panel according to  claim 1 , wherein the channel ( 40 ) of the grate panel is realized in a meander-shaped fashion and essentially extends over the entire length of the grate panel.  
     
     
         12 . The grate panel according to  claim 1 , wherein the channel ( 40 ) can be connected to a supply line and to a discharge line for a cooling medium.  
     
     
         13 . The grate panel according to  claim 1 , wherein the sections of the channel ( 40 ) that lie perpendicular to the long sides ( 14 ,  16 ) extend over 10-80% of the length of the broadsides.  
     
     
         14 . An incineration grate, particularly a reciprocating incineration grate, with a plurality of grate panels according to  claim 1 .  
     
     
         15 . A waste incineration plant with an incineration grate according to  claim 14.