Industrial recuperative burner for industrial furnaces, wherein said burner is configured to be mounted on a wall of an industrial furnace so that said burner extends at least partially through an opening formed in said wall of said furnace, said wall delimiting a chamber of the furnace, comprising: - a recuperator configured to heat at least one fluid selected among a combustible fluid and an comburent fluid by means of the heat of the combustion fumes generated by the combustion of said combustible fluid and of said comburent fluid, wherein said recuperator comprises: - an exchanger-body for the heat exchange between said at least one fluid to be heated and said combustion fumes, said exchanger-body extending longitudinally along a longitudinal axis (A-A) between a first end and a second end, which are axially opposite one another, - a matrix that is formed in said exchanger-body and that consists of a plurality of first channels, which are crossed by said fluid to be heated, and of a plurality of second channels, which are crossed by said combustion fumes, wherein - said first channels and said second channels extend along the longitudinal extension of said exchanger-body between said first end and said second end thereof, and are separated from one another by separating walls, and wherein - each separating wall that separates mutually adjacent first channels and second channels borders, on one side, at least one of said first channels and, on the other side, at least one of said second channels, and - at least one feeding duct for feeding the other fluid selected from said comburent fluid and said combustible fluid, wherein said feeding duct has an inlet end associable with a source of said other fluid and an outlet end in fluid communication with a combustion chamber, characterised in that said first channels and said second channels are arranged alternately with one another along a plurality of lines and along a plurality of columns forming, in transverse planes to said longitudinal axis (A-A) a chessboard matrix. - a recuperator configured to heat at least one fluid selected among a combustible fluid and an comburent fluid by means of the heat of the combustion fumes generated by the combustion of said combustible fluid and of said comburent fluid, wherein said recuperator comprises: - an exchanger-body for the heat exchange between said at least one fluid to be heated and said combustion fumes, said exchanger-body extending longitudinally along a longitudinal axis (A-A) between a first end and a second end, which are axially opposite one another, - a matrix that is formed in said exchanger-body and that consists of a plurality of first channels, which are crossed by said fluid to be heated, and of a plurality of second channels, which are crossed by said combustion fumes, wherein - said first channels and said second channels extend along the longitudinal extension of said exchanger-body between said first end and said second end thereof, and are separated from one another by separating walls, and wherein - each separating wall that separates mutually adjacent first channels and second channels borders, on one side, at least one of said first channels and, on the other side, at least one of said second channels, and - an exchanger-body for the heat exchange between said at least one fluid to be heated and said combustion fumes, said exchanger-body extending longitudinally along a longitudinal axis (A-A) between a first end and a second end, which are axially opposite one another, - a matrix that is formed in said exchanger-body and that consists of a plurality of first channels, which are crossed by said fluid to be heated, and of a plurality of second channels, which are crossed by said combustion fumes, wherein - said first channels and said second channels extend along the longitudinal extension of said exchanger-body between said first end and said second end thereof, and are separated from one another by separating walls, and wherein - said first channels and said second channels extend along the longitudinal extension of said exchanger-body between said first end and said second end thereof, and are separated from one another by separating walls, and wherein - each separating wall that separates mutually adjacent first channels and second channels borders, on one side, at least one of said first channels and, on the other side, at least one of said second channels, and - at least one feeding duct for feeding the other fluid selected from said comburent fluid and said combustible fluid, wherein said feeding duct has an inlet end associable with a source of said other fluid and an outlet end in fluid communication with a combustion chamber, characterised in that said first channels and said second channels are arranged alternately with one another along a plurality of lines and along a plurality of columns forming, in transverse planes to said longitudinal axis (A-A) a chessboard matrix.