Heat transfer device for water recovery system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01D-053/02
B01D-053/26
F25B-017/02
F25D-021/14
F24F-003/14
F25B-043/00
B01D-053/18
B01D-053/04
B01D-053/28
F25B-037/00
출원번호
US-0660620
(2012-10-25)
등록번호
US-9114354
(2015-08-25)
발명자
/ 주소
Ball, James
Becze, Charles
Flynn, Michael J.
Lam, Kean Wing Kin
Teltz, Richard
출원인 / 주소
Z124
대리인 / 주소
Sheridan Ross P.C.
인용정보
피인용 횟수 :
0인용 특허 :
33
초록▼
A system and method to recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desicc
A system and method to recover water from an ambient airstream. Dehumidification of the airstream is also achieved by removal of the water. A device of the system includes a chamber having a group of trays that hold respective amounts of liquid desiccant in each tray. A foam media absorbs the desiccant to increase an exposed surface of the desiccant to the airstream. Fans and valves are used to control airflow through the device. A charge cycle circulates air through the device to remove water vapor from the airstream. A subsequent extraction cycle removes water collected in the liquid desiccant by a condenser communicating with the chamber. A heat source adds heat to the chamber before and/or during the extraction cycle. A controller is used to integrate and manage all system functions and input variables to achieve a high efficiency of operational energy use for water collection.
대표청구항▼
1. A water recovery device comprising: a desiccant stack including a chamber defining an airflow path therein, the desiccant stack including a plurality of desiccant trays, each desiccant tray including a desiccant media cartridge and an amount of liquid desiccant placed within the desiccant tray an
1. A water recovery device comprising: a desiccant stack including a chamber defining an airflow path therein, the desiccant stack including a plurality of desiccant trays, each desiccant tray including a desiccant media cartridge and an amount of liquid desiccant placed within the desiccant tray and being absorbed by a media material of the media cartridge;a condenser communicating with the desiccant stack;a heat source operative to add heat energy to the chamber; andwherein an airstream within the water recovery device is warmed prior to or during an extraction cycle, the extraction cycle operative to remove a retained water vapor from within the chamber, the condenser providing a cooling source to condense the water vapor and thereby producing an amount of water condensate. 2. A water recovery device, as claimed in claim 1, wherein the heat energy is added to the chamber using a water or glycol-based heat exchanger. 3. A water recovery device, as claimed in claim 2, wherein the heat exchanger further includes a heating element disposed below a heating line, the heating line transferring heat to the heating element, and wherein the heating element is disposed within an airflow path. 4. A water recovery device, as claimed in claim 3, wherein the heating line communicates with a heat source, the heat source configured to regulate a temperature of the heating line such that the temperature of the heating line is increased when the temperature of the heating line falls below a temperature threshold. 5. The water recovery device, as claimed in claim 3, further including an electrical heating element, the electrical heating element adding heat energy to the chamber and being disposed within the defined airflow path of the chamber. 6. The water recovery device, as claimed in claim 5, wherein the electrical heating element and the heat exchanger simultaneously add heat energy to the chamber. 7. A water recovery device recovery device, as claimed in claim 1, wherein the heat source is configured to regulate a temperature of a heating line such that the temperature of the heating line is increased when the temperature of the airstream falls below a temperature threshold. 8. A water recovery device, as claimed in claim 1, wherein an electrical heating element adds heat energy to the chamber, and wherein the electrical heating element is disposed within the defined airflow path of the chamber. 9. A water recovery device, as claimed in claim 8, wherein the electrical heating element is disposed in at least one desiccant tray such that an airflow is warmed prior to flowing past a desiccant media located in the desiccant tray. 10. The water recovery device, as claimed in claim 1, further including an electrical heating element, wherein at least one desiccant tray includes a desiccant media cartridge, the electrical heating element disposed within an airflow path such that an airflow is warmed before passing the desiccant media cartridge. 11. A water recovery system comprising: (a) a water recovery device including: (1) a desiccant stack including a chamber defining an airflow path therein, the desiccant stack including a plurality of desiccant trays, each desiccant tray including a desiccant media cartridge and an amount of liquid desiccant placed within the desiccant tray and being absorbed by a media material of the media cartridge;(2) a condenser communicating with the desiccant stack;(3) a heat source operative to add heat energy to the desiccant stack;wherein an airstream within the water recovery device is warmed prior to or during an extraction cycle, the extraction cycle operative to remove a retained water vapor from within the chamber, the condenser providing a cooling source to condense the water vapor and thereby producing an amount of water condensate;(b) a controller incorporated in the device for controlling functioning of the water recovery device to include an extraction cycle, the water recovery device further including a plurality of sensors as inputs to the controller, and a plurality of valves as outputs of the controller, the valves being located within a heat transport line of the water recovery device; and(c) a communications node incorporated within a communications system enabling the water recovery device to communicate within the communications system. 12. A water recovery system, as claimed in claim 11, wherein the heat energy is added to the desiccant stack using a water or glycol-based heat exchanger. 13. A water recovery device, as claimed in claim 12, wherein the heat exchanger further includes a heating element disposed below a heating line, the heating line transferring heat to the heating element, and wherein the heating element is disposed within an airflow path. 14. A water recovery device, as claimed in claim 12, wherein an electrical heating element adds heat energy to the desiccant stack, and wherein the electrical heating element is disposed within the defined airflow path of the desiccant stack. 15. The water recovery device, as claimed in claim 14, wherein the electrical heating element and the heat exchanger add heat energy to the desiccant stack simultaneously. 16. A water recovery device, as claimed in claim 11, wherein the heating line communicates with a heat source, the heat source configured to regulate a temperature of the heating line such that the temperature of the heating line is increased when the temperature of the heating line falls below a temperature threshold. 17. The water recovery device, as claimed in claim 11, further including an electrical heating element, the electrical heating element disposed within an airflow path such that an airstream is warmed before passing the desiccant media cartridge. 18. The water recovery device, as claimed in claim 11, further including an electrical heating element, the electrical heating element adding heat energy to the desiccant stack and being disposed within the defined airflow path of the desiccant stack.
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