'TWO-STAGE REFORMER AND METHOD FOR OPERATING A REFORMER'

摘要

The invention relates to a reformer (10; 100) for converting fuel and oxidising agent into a reformate (26; 126), the reformer comprising an oxidising zone (20; 120) to which a mixture of fuel and oxidising agent is supplyable via a first fuel supply (12; 112) and a first oxidising agent supply (16; 116) and an injection and mixture formation zone (22; 122) disposed downstream of the oxidising zone (20; 120) to which further fuel is supplyable via a second fuel supply (14; 114), a second oxidising agent supply (18; 118) being provided via which further oxidising agent is supplyable to the injection and mixture formation zone (22; 122). According to the invention it is contemplated that the second oxidising agent supply (18; 118) is, relative to the second fuel supply (14; 114), arranged so that it generates a barrier oxidising agent cushion in the area in front of the second fuel supply (14; 114) to prevent a heat transfer from the mixture from the oxidising zone (20; 120) to the second fuel supply (14; 114). The invention further relates to a method for operating such a reformer (10; 100).