Method for treating and distributing water generated in a self-contained water using unit
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B64D-011/00
C02F-001/16
C02F-009/00
H01M-008/00
출원번호
US-0417894
(2003-04-16)
우선권정보
DE-102 16 709(2002-04-16)
발명자
/ 주소
Hoffjann,Claus
Heinrich,Hans Juergen
출원인 / 주소
Airbus Deutschland GmbH
인용정보
피인용 횟수 :
15인용 특허 :
7
초록▼
Water for use in a self-contained water using unit, such as an aircraft, watercraft, ground conveyance, or stationary unit, is treated so that water of different qualities can be distributed to different use locations in the self-contained unit. The treatment is performed by a process using a combin
Water for use in a self-contained water using unit, such as an aircraft, watercraft, ground conveyance, or stationary unit, is treated so that water of different qualities can be distributed to different use locations in the self-contained unit. The treatment is performed by a process using a combined high temperature fuel cell ( 1) operating at temperatures above 500째 C. and a turbine (6) with a reformer process (2) integrated into the fuel cell. The reformer process is operated by the heat of the fuel cell which uses a hydrocarbon fuel to which contaminated and/or fresh water is admixed. The heat of the fuel cell is used for a water purification process. Purified water is filtered in an active charcoal filter and distributed by a distribution system. At least a portion of the purified water available for distribution is automatically salified.
대표청구항▼
What is claimed is: 1. An apparatus for processing and distributing water in a self-contained unit, said apparatus comprising: at least one high temperature fuel cell (1), a turbine (6) connected to said at least one high temperature fuel cell ( 1) for receiving exhaust gas from said at least one h
What is claimed is: 1. An apparatus for processing and distributing water in a self-contained unit, said apparatus comprising: at least one high temperature fuel cell (1), a turbine (6) connected to said at least one high temperature fuel cell ( 1) for receiving exhaust gas from said at least one high temperature fuel cell (1), a reformer (2) integrated in said at least one high temperature fuel cell (1), wherein said reformer is operable by process heat of said at least one high temperature fuel cell (1), said reformer (2) having an inlet for at least one hydrocarbon fuel and an inlet for admixing at least one of contaminated water and fresh water to said hydrocarbon fuel, said apparatus further comprising a cooler (11) positioned for preheating at least one of two fuel components including said hydrocarbon fuel by process heat of said at least one high temperature fuel cell, said apparatus further comprising a water purifying station (14, 15) connected to said at least one high temperature fuel cell (1) for operating a water purification with process heat from said high temperature fuel cell (1), and a water distribution system connected to said water purifying station. 2. A method for processing and distributing water in a self-contained unit, said method comprising the following steps: a) combining at least one high temperature fuel cell (1 ) with an operation of a turbine (6), b) integrating a reformer process (2) into said at least one high temperature fuel cell, c) operating said reformer process (2) inside said at least one high temperature fuel cell by process heat from said at least one high temperature fuel cell (1) thereby using at least one hydrocarbon first fuel component and a second fuel component, and preheating at least one fuel component of said first and second fuel components by process heat of said at least one high temperature fuel cell, d) admixing at least one of contaminated water or gray water and fresh water to said at least one hydrocarbon first fuel component in said reformer process (2), e) operating a water purification process (14, 15) with process heat from said high temperature fuel cell (1), and f) feeding purified water from said water purification process (14, 15) to a water distribution system (16, 17, 18, 19, 20, 21, 22). 3. The method of claim 2, further comprising salifying said purified water in at least one branch (17, 18, 19, 21) of said water distribution system. 4. The method of claim 2, further comprising selecting said high temperature fuel cell (1) from the group consisting of any fuel cell operating at temperatures above 500째 C., a solid oxide fuel cell (SOFC) and a melting carbonate fuel cell (MCFC). 5. The method of claim 2, wherein said preheating of said at least one fuel component for said high temperature fuel cell (1) is performed in a fuel cell cooler (11) which surrounds said fuel cell at least partially. 6. The method of claim 2, further comprising producing atomic or molecular hydrogen in said reformer process (2) by using process heat of said high temperature fuel cell (1), and using said atomic or molecular hydrogen at least partly for the production of energy and water in the high temperature fuel cell (1). 7. The method of claim 2, further comprising providing fresh water from any one of an external fresh water source and a condensate source (28) of said high temperature fuel cell, and introducing said fresh water to said reformer process (2). 8. The method of claim 2, further comprising pressurizing any one fuel component of said first and second fuel components for said high temperature fuel cell. 9. The method of claim 2, further comprising producing carbon dioxide (CO2) in a condensation process (6, 7) downstream of said high temperature fuel cell (1), and separately collecting said carbon dioxide (CO2) in a separate container ( 13). 10. The method of claim 2, further comprising producing atomic or molecular hydrogen in said reformer process (2) by using process heat of said high temperature fuel cell, and using said atomic or molecular hydrogen at least partially as fuel for another fuel consumer. 11. The method of claim 10, further comprising passing said atomic or molecular hydrogen at least partially through a molecular filter upstream of said other fuel consumer. 12. The method of claim 2, further comprising coupling at least one stage of said turbine (6) with a compressor (8) for producing compressed air. 13. The method of claim 12, further comprising driving said compressor (8) additionally with a d.c. motor (9). 14. The method of claim 13, further comprising connecting said d.c. motor (9) through a controllable clutch (10) to said compressor for alternatively driving said compressor by said d.c. motor (9) and said at least one turbine stage. 15. The method of claim 2, further comprising condensing water out of exhaust gases (5) of said high temperature fuel cell (1). 16. The method of claim 15, further comprising performing said condensing step by passing said exhaust gases (5) from said high temperature fuel cell (1) through at least one stage of said turbine (6). 17. The method of claim 16, further comprising performing said condensing step by passing said exhaust gases (5) downstream of said at least one stage of said turbine (6) through a heat exchanger (7). 18. The method of claim 17, further comprising using as a coolant for said heat exchanger (7) at least one fuel component of said first and second fuel components used in said high temperature fuel cell. 19. The method of claim 2, further comprising purifying water in an evaporation and condensing process (14). 20. The method of claim 19, further comprising using waste heat (29, 30) from said high temperature fuel cell (1 ) for evaporation in said evaporation and condensing process (14). 21. The method of claim 19, further comprising using as a cooling medium (27, 28) at least one of said first and second fuel components (3, 4) of said high temperature fuel cell for condensation in said evaporation and condensing process ( 14). 22. The method of claim 19, further comprising passing at least one of water vapor and condensate water through at least one active charcoal filter (15). 23. The method of claim 22, further comprising regenerating active charcoal in said active charcoal filter (15) by using waste heat (29) from said high temperature fuel cell (1). 24. The method of claim 19, further comprising performing said evaporation and condensing process (14) at such temperatures and durations that resulting purified water is free of germs, fungi and salts. 25. The method of claim 24, further comprising collecting said purified water free of germs, fungi and salts in an intermediate or buffer tank (16). 26. The method of claim 2, further comprising distributing a portion of said purified water to an air conditioning system (20) for humidifying the air in said self-contained unit, another portion to a toilet flushing water supply system (22), and another portion to a drinking and shower water distribution system (21). 27. The method of claim 26, further comprising salifying purified water in said drinking and shower water distribution system ( 21). 28. The method of claim 27, further comprising ascertaining, following said salifying, at least one water quality characteristic of said purified water. 29. The method of claim 28, further comprising measuring an electrical conductivity of purified and salified water for ascertaining said at least one water quality characteristic in the form of a salinity content. 30. The method of claim 28, further comprising producing a feedback control signal based on said at least one water quality characteristic and feeding back said control signal for controlling said salifying. 31. The method of claim 30, further comprising automatically controlling with said feedback control signal a quantity of salt to be added to said purified water for maintaining a predetermined salt content in said purified water. 32. The method of claim 31, wherein said predetermined salt content is selected to satisfy national and international potable water regulations. 33. A method for processing and distributing water in a self-contained unit, said method comprising the following steps: a) combining at least one high temperature fuel cell (1 ) with an operation of a turbine (6), b) integrating a reformer process (2) into said at least one high temperature fuel cell, c) operating said reformer process (2) by process heat from said at least one high temperature fuel cell (1) thereby using at least one hydrocarbon fuel comprising liquid fuel components, d) admixing at least one of contaminated water or gray water and fresh water to said at least one hydrocarbon fuel in said reformer process (2), e) operating a water purification process (14, 15) with process heat from said high temperature fuel cell (1), f) feeding purified water from said water purification Process (14, 15) to a water distribution system (16, 17, 18, 19, 20, 21, 22), and g) evaporating said liquid fuel components by process heat of said high temperature fuel cell.
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