Reforming unvaporized, atomized hydrocarbon fuel
A reformer such as a CPO ( 18 ) receives a mix of fuel, moisture and oxygen from a mixing region ( 21 ) having an igniter ( 26, 66 ), which may include an inert ceramic foam ( 19 ), the fuel being provided by an atomizing nozzle ( 22 ), thereby avoiding the need for a vaporizer before use. The oxygen and moisture may comprise engine exhaust ( 11, 12 ). Fuel from a vehicle fuel tank ( 9 ), may be gasoline, diesel fuel, kerosene, jet fuel, or JP-8. The atomizing nozzle may be a gas-assist nozzle ( 22 a ), receiving the assisting gas from (a) engine exhaust ( 10 ), (b) a turbocharger ( 33 ), (c) an air pump ( 50 ) or (d) a steam generator ( 57 ). The oxygen and moisture may comprise moisturized air, which may be achieved by an ejector ( 41 ) which ingests water from a tank ( 43 ) in response to the flow of air from a pump ( 50 ) through a conduit ( 47 ). The air may be regeneratively heated ( 48 ) with the CPO exhaust. The igniter may be a glow plug ( 26 ) or a heater wire ( 66 ) coated with catalyst.
1 . A liquid hydrocarbon fuel processing system, comprising:
a reformer selected from CPO, POX and ATR, said reformer having an inlet;
exhaust treatment means disposed adjacent to said reformer and using the output of said reformer to remove contaminants from said exhaust;
a mixing chamber adjacent to and in fluid communication with the inlet of said reformer;
a source of liquid hydrocarbon fuel:
an engine burning said liquid hydrocarbon fuel and providing exhaust;
a source for providing oxygen and moisture to said mixing chamber, said source selected from a source of engine exhaust and a source of humidified air;
a liquid fuel atomizing nozzle receiving fuel from said source of fuel and providing atomized liquid hydrocarbon fuel to said mixing chamber at the inlet of said reformer;
a high temperature structural support within said mixing chamber between said atomizing nozzle and the inlet to said reformer; and
an igniter adjacent said nozzle and effective to ignite said atomized liquid hydrocarbon fuel, said igniter comprising a heater wire coated with a CPO catalyst.
2 . A liquid hydrocarbon fuel processing system, comprising:
a reformer selected from CPO, POX and ATR, said reformer having an inlet;
a source of liquid hydrocarbon fuel;
a liquid fuel atomizing nozzle for providing atomized liquid hydrocarbon fuel to the inlet of said reformer; and
an igniter adjacent said nozzle and effective to ignite said atomized liquid hydrocarbon fuel.
3 . A liquid hydrocarbon fuel processing system, comprising:
a mixing chamber;
a source of liquid hydrocarbon fuel;
an engine burning said liquid hydrocarbon fuel and providing exhaust to said mixing chamber;
a liquid fuel atomizing nozzle receiving fuel from said source of fuel and providing atomized liquid hydrocarbon fuel to said mixing chamber;
an igniter adjacent said nozzle and effective to ignite said atomized liquid hydrocarbon fuel thereby causing said mixing chamber to function as a POX reformer; and
exhaust treatment means disposed adjacent to said POX reformer and using the output of said reformer to remove contaminants from said exhaust.
4 . A liquid hydrocarbon fuel processing system, comprising:
a reformer selected from CPO, POX and ATR, said reformer having an inlet;
a mixing chamber adjacent to and in fluid communication with the inlet of said reformer;
a source of liquid hydrocarbon fuel;
a source for providing oxygen and moisture to said mixing chamber, said source selected from a source of engine exhaust and a source of humidified air;
a liquid fuel atomizing nozzle receiving fuel from said source of fuel and providing atomized liquid hydrocarbon fuel to said mixing chamber at the inlet of said reformer;
a high temperature structural support within said mixing chamber between said atomizing nozzle and the inlet to said reformer; and
an igniter adjacent said nozzle and effective to ignite said atomized liquid hydrocarbon fuel.
5 . A system according to any one of claims 1 - 4 wherein said liquid fuel atomizing nozzle is a gas assist nozzle receiving assist gas from either (a) engine exhaust, (b) an air blower, (c) a turbocharger or (d) a steam generator.
6 . A system according to claims 1 or 4 wherein:
said high temperature structural support is an inert ceramic foam.
7 . A system according to any one of claims 1 - 4 wherein said igniter is a glow plug.
8 . A system according to any one of claims 1 - 4 wherein said igniter is a heater wire coated with catalyst.
9 . A system according to claim 8 wherein said heater wire is in the shape of a helix.
10 . A method of reforming hydrocarbon fuel comprising:
atomizing liquid hydrocarbon fuel at the inlet of a reformer selected from a CPO, a POX and an ATR;
providing oxygen at said inlet: and
igniting the air/atomized-fuel mixture at said inlet.
11 . Apparatus for reforming hydrocarbon fuel comprising:
a reformer selected from a CPO, a POX and an ATR;
a fuel atomizer for atomizing liquid hydrocarbon fuel at the inlet to said reformer;
means providing oxygen at said inlet; and
an igniter for igniting the air/atomized-fuel mixture at said inlet.
12 . A liquid hydrocarbon fuel processing system, comprising:
a reformer selected from CPO, POX and ATR, said reformer having an inlet;
a source providing liquid hydrocarbon fuel to the inlet of said reformer; and
an igniter adjacent said nozzle and effective to ignite said liquid hydrocarbon fuel, said igniter comprising a heater wire coated with a CPO catalyst.
13 . A system according to claim 12 wherein said heater wire is in the shape of a helix.