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Title:
POWER PLANT WITH MULTIPLE-EFFECT EVAPORATIVE CONDENSER
Document Type and Number:
WIPO Patent Application WO/2017/027022
Kind Code:
A4
Abstract:
A power plant includes a power generating system, a tower housing and an evaporative cooling system which includes at least one multiple-effect evaporative condenser. The multiple-effect evaporative condenser includes a pumping device, a first cooling unit and a second cooling unit. The first cooling unit includes a first water collection basin for collecting said cooling water from the pumping device, a plurality of first heat exchanging pipes connected to the condenser and immersed in the first water collection basin, and a first fill material unit provided underneath the first heat exchanging pipes. The second cooling unit includes a second water collection basin positioned underneath the first cooling unit for collecting said cooling water flowing from the first cooling unit, a plurality of second heat exchanging pipes immersed in the second water collection basin, and a second fill material unit provided underneath the second heat exchanging pipes.

Inventors:
WONG, Lee, Wa (9019 Catherine St, Pico Rivera, CA, 90660, US)
Application Number:
US2015/044732
Publication Date:
February 16, 2017
Filing Date:
August 11, 2015
Export Citation:
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Assignee:
WONG, Lee, Wa (9019 Catherine St, Pico Rivera, CA, 90660, US)
International Classes:
F28D5/02
Attorney, Agent or Firm:
YEUNG, Tsz, Lung (333 W Garvey Avenue, #B586Monterey Park, CA, 91754, US)
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Claims:
AMENDED CLAIMS

o 2017/027022 ed bV the International Bureau on 02 January 2016pCT/US20l5/044732

What is Claimed is:

1. A power plant, comprising: a power generating system having a circulating heat exchange fluid; a tower housing; and an evaporative cooling system which comprises at least one multiple-effect evaporative condenser connected to said power generating system for effectively cooling said heat exchange fluid, said multiple-effect evaporative condenser comprising: an air inlet side and an air outlet side which is opposite to said air inlet side; a pumping device adapted for pumping a predetermined amount of cooling water at a predetermined flow rate; a first cooling unit, comprising: a first water collection basin for collecting said cooling water from said pumping device; a plurality of first heat exchanging pipes connected to said power generating system and immersed in said first water collection basin; and a first fill material unit provided underneath said first heat exchanging pipes, wherein said cooling water collected in said first water collection basin is arranged to sequentially flow through exterior surfaces of said first heat exchanging pipes and said first fill material unit; a second cooling unit, comprising: a second water collection basin positioned underneath said first cooling unit for collecting said cooling water flowing from said first cooling unit;

35 a plurality of second heat exchanging pipes immersed in said second water collection basin; and a second fill material unit provided underneath said second heat exchanging pipes, wherein said cooling water collected in said second water collection basin is arranged to sequentially flow through exterior surfaces of said second heat exchanging pipes and said second fill material unit; a bottom water collecting basin positioned underneath said second cooling unit for collecting said cooling water flowing from said second cooling unit; and at least one filter arrangement which is detachably supported between said first cooling unit and said second cooling unit, and comprises a main panel, a plurality of through filtering holes spacedly formed on said main panel, a filtering net attached on a bottom side of said main panel, and a supporting member provided at a bottom side of said main panel, the cooling water collected in said bottom water collection basin being arranged to be guided to flow back into said first water collection basin of said first cooling unit, said heat exchange fluid from said power generating system being arranged to flow through said first heat exchanging pipes of said first cooling unit and said second heat exchanging pipes of said second cooling unit in such a manner that said heat exchange fluid is arranged to perform highly efficient heat exchanging process with said cooling water for lowering a temperature of said heat exchange fluid, a predetermined amount of air being drawn from said air inlet side for performing heat exchange with said cooling water flowing through said first fill material unit and said second fill material unit for lowering a temperature of said cooling water, said air having absorbed said heat from said cooling water being discharged out of said first fill material unit and said second fill material unit through said air outlet side, said evaporative cooling system comprising a plurality of multiple-effect evaporative condensers accommodated in said tower housing, said multiple-effect evaporative condensers being spacedly arranged in said tower housing in two rows and a plurality of columns, such that for each row of said multiple-effect evaporative condensers, a longitudinal axis of each of said multiple-effect evaporative condensers is substantially parallel to each other, while for each column of said multiple-effect evaporative condensers, a longitudinal axis of each of said multiple-effect evaporative condensers is substantially aligned.

2. The power plant, as recited in claim 1, wherein said filter arrangement further comprises a cleaning arrangement which comprises a plurality of guiding pulleys provided at two ends of said filtering net, a plurality of cleaning nozzles supported at a position adjacent to said guiding pulleys respectively. 3. The power plant, as recited in claim 2, wherein said filtering net is configured by stainless steel.

4. A power plant, comprising: a power generating system having a circulating heat exchange fluid; a tower housing; and an evaporative cooling system which comprises at least one multiple-effect evaporative condenser connected to said power generating system for effectively cooling said heat exchange fluid, said multiple-effect evaporative condenser comprising: an air inlet side and an air outlet side which is opposite to said air inlet side; a pumping device adapted for pumping a predetermined amount of cooling water at a predetermined flow rate; a first cooling unit, comprising: a first water collection basin for collecting said cooling water from said pumping device, said first water collection basin having a first stabilizing compartment connected to said pumping device, a first heat exchanging compartment provided adjacent to and communicated with said first stabilizing compartment via a first water channel; a plurality of first heat exchanging pipes connected to said power generating system and immersed in said first water collection basin, said first heat exchanging pipes being immersed in said first heat exchanging compartment, said cooling water pumped by said pumping device being guided to flow into said first stabilizing compartment through said first water channel; and a first fill material unit provided underneath said first heat exchanging pipes, wherein said cooling water collected in said first water collection basin is arranged to sequentially flow through exterior surfaces of said first heat exchanging pipes and said first fill material unit; a second cooling unit, comprising: a second water collection basin positioned underneath said first cooling unit for collecting said cooling water flowing from said first cooling unit; a plurality of second heat exchanging pipes immersed in said second water collection basin; and a second fill material unit provided underneath said second heat exchanging pipes, wherein said cooling water collected in said second water collection basin is arranged to sequentially flow through exterior surfaces of said second heat exchanging pipes and said second fill material unit; and a bottom water collecting basin positioned underneath said second cooling unit for collecting said cooling water flowing from said second cooling unit, the cooling water collected in said bottom water collection basin being arranged to be guided to flow back into said first water collection basin of said first cooling unit, said heat exchange fluid from said power generating system being arranged to flow through said first heat exchanging pipes of said first cooling unit and said second heat exchanging pipes of said second cooling unit in such a manner that

38 said heat exchange fluid is arranged to perform highly efficient heat exchanging process with said cooling water for lowering a temperature of said heat exchange fluid, a predetermined amount of air being drawn from said air inlet side for performing heat exchange with said cooling water flowing through said first fill material unit and said second fill material unit for lowering a temperature of said cooling water, said air having absorbed said heat from said cooling water being discharged out of said first fill material unit and said second fill material unit through said air outlet side, wherein said evaporative cooling system comprises a plurality of multiple- effect evaporative condensers accommodated in said tower housing, said multiple- effect evaporative condensers are spacedly arranged in said tower housing in two rows and a plurality of columns, such that for each row of said multiple-effect evaporative condensers, a longitudinal axis of each of said multiple-effect evaporative condensers is substantially parallel to each other, while for each column of said multiple-effect evaporative condensers, a longitudinal axis of each of said multiple- effect evaporative condensers is substantially aligned.

5. The power plant, as recited in claim 4, wherein said first water collection basin has a first inner sidewall, a first outer sidewall, a first partitioning wall, a first bottom plate, and a first passage plate, said first partitioning wall being provided between said first inner sidewall and said first outer sidewall, and dividing said first water collection basin into said first stabilizing compartment and said first heat exchanging compartment, said first water channel being formed on said first partitioning wall along a longitudinal direction thereof, said first stabilizing compartment being formed between said first inner sidewall, said first partitioning wall, and said first bottom plate, said first heat exchanging compartment being formed by said first partitioning wall, said first outer sidewall, and said first passage plate.

6. The power plant, as recited in claim 5, wherein said first passage plate has a plurality of first passage holes for allowing said cooling water contained in said first heat exchanging compartment to fall into said first fill material unit.

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7. The power plant, as recited in claim 6, wherein each of said multiple- effect evaporative condensers comprises a flow control mechanism which comprises at least one control plate movably provided underneath said first passage plate of said first water collection basin, at least one driving member connected to said control plate for driving said control plate to move in a horizontal and reciprocal manner, and a plurality of securing members, said control plate having a plurality of control holes spacedly distributed thereon, said securing members being mounted on said first water collection basin and arranged to normally exert an upward biasing force toward said control plate so as to maintain a predetermined distance between said control plate and said first passage plate.

8. The power plant, as recited in claim 7, wherein each first water collection basin further has a pair of first securing slots formed at lower portions of said first partitioning wall and said first outer sidewall respectively, each of said first securing slots being elongated along a longitudinal direction of said first water collection basin, wherein said securing members are mounted in said first securing slots respectively.

9. The power plant, as recited in claim 8, wherein said flow control mechanism further comprises an automated control system comprising a central control unit, a connecting member connected between said central control unit and said driving member, and a sensor provided in said first water collection basin and electrically connected to said central control unit.

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