Fuel processor component for a propylene glycol fuel processor and propylene glycol fuel processor

Patent metadata

Field	Value
Publication number	US-10926239-B2
Application number	US-201815899667-A
Country	US
Kind code	B2
Filing date	Feb 20, 2018
Priority date	Feb 20, 2017
Publication date	Feb 23, 2021
Grant date	Feb 23, 2021

Abstract

The invention relates to a fuel processor component for a propylene glycol fuel processor, comprising at least one housing (G) having at least two inlets (E 1 , E 2 ) and two outlets (A 1 , A 2 ),
wherein there is a multitude of first plates (P 1 ) having a first side (S 1 ) and a second side (S 2 ) and second plates (P 2 ) having a third side (S 3 ) and a fourth side (S 4 ) arranged as a stack in the housing (G), wherein the stacked first and second plates (P 1 , P 2 ) form at least first cavities (H 1 ) and second cavities (H 2 ), wherein the first inlet (E 1 ) has fluid connection to the first outlet (A 1 ) via first cavities (H 1 ) and the second inlet (E 2 ) has fluid connection to the second outlet (A 2 ) via second cavities (H 2 ).

The invention further relates to a propylene glycol fuel processor.

First claim

The invention claimed is:

1. A fuel processor component for a propylene glycol fuel processor, comprising:
a housing having at least a first inlet and a second inlet and at least a first outlet and a second outlet,
a plurality of first plates each having a first side and a second side and a plurality of second plates each having a third side and a fourth side, wherein the plurality of first plates and the plurality of second plates are arranged as a stack in the housing,
wherein the stacked first and second plates form at least a plurality of first cavities and a plurality of second cavities, wherein the first inlet has fluid connection to the first outlet via the first cavities and the second inlet has fluid connection to the second outlet via the second cavities,
wherein the first side and the second side of each of the first plates are configured as evaporator surfaces,
wherein the third side of each second plate is configured as a hot gas side and the fourth side of each second plate is a flat surface, and
wherein each evaporator surface is opposite the flat surface and two hot gas sides are opposite one another.

2. The fuel processor component according to claim 1 , wherein the first plates and/or the second plates have surface structuring, wherein the surface structuring comprises a pattern and/or channels having a distributor structure and a collection structure.

3. The fuel processor component according to claim 1 , wherein a first number of the first and second plates is arranged in a given sequence, wherein the first number of the first and second plates forms a repeating unit.

4. The fuel processor component according to claim 3 , wherein there is a multitude of third plates each having a fifth side and a sixth side arranged in the housing, wherein the third plates form an element of the repeating unit.

5. The fuel processor component according to claim 1 , wherein the first side has structuring configured for a gas reaction and the second side is a cooling or evaporator side.

6. The fuel processor component according to claim 2 , wherein the third side has the same surface structuring as the second side and the fourth side the same surface structuring as the first side.

7. The fuel processor component according to claim 1 , wherein the fuel processor component is the evaporator, wherein at least a first side of a first plate is configured as evaporator and a second side for passage of hot gas.

8. The fuel processor component according to claim 4 , having the plurality of first to sixth sides, wherein a repeating unit has the following sequence:
a first side, a second side, a fourth side, a third side, a third side, a fourth side, a first side, a second side, a fourth side, a third side, a third side, a fourth side, a sixth side, a fifth side, a fifth side, a sixth side.

9. The fuel processor component according to claim 1 , wherein the fuel processor component is the heat exchanger, wherein at least one first side is configured for passage of a first gas and one second side for passage of a second gas.

10. The fuel processor component according to claim 9 , wherein the heat exchanger is configured such that the first gas and the second gas can be guided through the fuel processor component in the same direction or in opposing directions.

11. The fuel processor component according to claim 1 , wherein the fuel processor component is the water-gas shift reactor, wherein the first plate has a first side configured as a cooling side and a second side configured as a reaction side.

12. The fuel processor component according to claim 8 , wherein every sixth side in a repeating unit is configured as a cooling side.

13. The fuel processor component according to claim 1 , wherein the fuel processor component is a PrOx reactor,
wherein a first plate has a first side configured as a cooling side and a second side configured as a cooling side,
wherein a second plate has a third side configured as a reaction side and a fourth side configured as a gas feed side,
wherein a third plate has a fifth side configured as a reaction side and a sixth side configured as an unstructured surface.

14. The fuel processor component according to claim 13 , wherein a repeating unit has the following sequence:
first side, second side, sixth side, fifth side, third side, fourth side, fourth side, third side, fifth side, sixth side.

15. A propylene glycol fuel processor comprising a heat exchanger and a series connection of an evaporator, a reformer, a water-gas shift reactor and a PrOx reactor, wherein at least one of the fuel processor components is
a fuel processor component according to claim 1 configured as the evaporator, wherein at least a first side of a first plate is configured as evaporator and a second side for passage of hot gas,
a fuel processor component according to claim 1 configured as the heat exchanger, wherein at least one first side is configured for passage of a first gas and one second side for passage of a second gas,
a fuel processor component according to claim 1 configured as the water-gas shift reactor (R 1 ), wherein the first plate has a first side configured as a cooling side and a second side configured as a reaction side and/or
a fuel processor component according to claim 1 configured as the PrOx reactor (R 2 ), wherein a first plate has a first side configured as a cooling side and a second side configured as a cooling side,
wherein a second plate has a third side configured as a reaction side and a fourth side configured as a gas feed side,
wherein a third plate has a fifth side configured as a reaction side and a sixth side configured as an unstructured surface.

16. The propylene glycol fuel processor according to claim 15 , wherein at least two of the fuel processor components are arranged one on top of the other such that the plate stacks of the at least two fuel processor components form a superstack.

17. The propylene glycol fuel processor according to claim 16 , wherein a heat exchanger, a water-gas shift reactor and a PrOx reactor are arranged one on top of the other such that the plates thereof form a superstack,
wherein the water-gas shift reactor is arranged in a middle region of the superstack,
wherein the propylene glycol fuel processor is configured such that a first gas can flow successively through the heat exchanger, the water-gas shift reactor and the PrOx reactor.

Assignees

• Diehl Aerospace Gmbh

Inventors

• Tiemann David
• Schuerer Jochen
• Kolb Gunther

Classifications

• B01F2101/59

  Mixing reaction ingredients for fuel cells · CPC title

• B01J2219/2459

  Corrugated plates · CPC title

• B01J2219/2465

  Two reactions in indirect heat exchange with each other · CPC title

• B01J2219/2479

  Catalysts coated on the surface of plates or inserts · CPC title

• B01J2219/2462

  the reactants being in indirect heat exchange with a non reacting heat exchange medium · CPC title