A reforming apparatus that converts a gas mixture (102) comprising a fuel gas, steam and air, into hydrogen; a reforming apparatus comprising a heating unit (104) for evaporating and heating the gas mixture, a distribution tube (108) that distributes the h...

A gas mixture 2 containing a fuel, water and air is supplied to one end of a reforming room 6, and a reformed gas 4 containing hydrogen is discharged from the other end thereof. Two or more such reforming units are connected in series, and the upstream par...