CN206592241U - A kind of ocean salinity energy utilization system - Google Patents

A kind of ocean salinity energy utilization system Download PDF

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Publication number
CN206592241U
CN206592241U CN201720351234.XU CN201720351234U CN206592241U CN 206592241 U CN206592241 U CN 206592241U CN 201720351234 U CN201720351234 U CN 201720351234U CN 206592241 U CN206592241 U CN 206592241U
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solution room
dilute solution
negative electrode
anode
room
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李翔宇
许阔
王婉君
朱永强
夏瑞华
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North China Electric Power University
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North China Electric Power University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient

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  • Separation Using Semi-Permeable Membranes (AREA)
  • Fuel Cell (AREA)

Abstract

A kind of ocean salinity energy utilization system.It includes reaction tank, conveyance conduit, turbine power generating device, gas concentration unit, liquid withdrawal system, the circulatory system, chlorine industry, fresh water delivery pipe, electrical storage device and fuel cell, reaction tank is divided into anode dilute solution room, concentrated solution room and the part of negative electrode dilute solution room three, anode dilute solution room and negative electrode dilute solution room are connected with electrical storage device, sea water preprocessing equipment inside chlorine industry is connected with concentrated solution room, fuel cell is connected with anode dilute solution room, gas concentration unit is connected with negative electrode dilute solution room, the circulatory system is by concentrated solution room, liquid withdrawal system is connected with fresh water delivery pipe, conveyance conduit is connected to concentrated solution room, turbine power generating device is located at conveyance conduit exit.The device of chlorine industry, anti-electrodialytic cells subtraction unit, osmometry is combined by the system, has both extended the life-span of ionic membrane, the production efficiency of system is improved again.

Description

A kind of ocean salinity energy utilization system
Technical field
The utility model is related to power field, and in particular to a kind of ocean salinity energy utilization system.
Background technology
Salt error energy, belongs to one kind of ocean energy in new energy.Salt error can mainly be contained in seawater and cross with river Place, refers to the chemical differences energy between salt water and fresh water or between the water of different salinity --- chemical-electrical potential difference energy.Sea The principle that foreign salt error can generate electricity is:Chemical-electrical potential difference between the seawater of different salinity can be converted into the potential energy of water, then profit Generated electricity with the hydraulic turbine, major way has osmotic pressure, vapor pressure method and anti-electrodialytic cells method etc., wherein anti-electrodialytic cells method, Osmometry is most widely used.
Anti- electrodialytic cells method is that in anionic membrane and cationic membrane intersect the device installed, seawater and fresh water are distinguished In the different compartments for being filled with anions and canons film composition.Na in seawater+、Cl-Infiltrated respectively from positive and negative ionic membrane towards the two poles of the earth Motion, can produce potential difference, salt error can be transformed into electric energy by electronics through external circuit flow currents in this process.Osmometry It is that one layer of semipermeable membrane is placed between two kinds of seawater of different salinity, a barometric gradient can be produced by this film, forced Water is permeated from the low side of salinity by film to the high side of salinity, so that the water of high salinity is diluted, until the salt of film both sides water Untill degree is equal.
Chlorine industry is one of most basic chemical industry, the chlorine-alkali product such as Corvic, caustic soda, hydrochloric acid, liquid chlorine All it is national economy and the essential material of people's lives, occupies critical role in national economy and national defense construction.Its base Present principles are that chlorine, hydrogen and high-purity are manufactured using cation exchange membrane cell electrolysis salt or potassium chloride solution Caustic soda(Sodium hydroxide)Or potassium hydroxide., typically can be using the bittern or the salt solution after salt dissolving exploited in production process As raw material, in order to protect the operation of ion-exchange membrane facility, the Ca for having an impact effect to ionic membrane can be removed in advance2+、Mg2+Etc. miscellaneous Matter ion., can be by both principle identical portions because chlorine industry principle and anti-electrodialytic cells method principle have similarity Split-phase is combined, and introduces the preprocessing part of chlorine industry in anti-electrodialytic cells method, has so both extended anti-electrodialysis electricity In the life-span of the ionic membrane of pond subtraction unit, the production efficiency of chlorine industry is improved again.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of ocean salinity energy utilization system, to ionic membrane Infringement is small, and production efficiency is high.
The utility model solves the technical scheme that its technical problem used:The ocean salinity energy utilization system Including reaction tank, conveyance conduit, turbine power generating device, gas concentration unit, liquid withdrawal system, the circulatory system, chlor-alkali work Industry, fresh water delivery pipe, electrical storage device and fuel cell;It is light that the reaction tank is divided into anode dilute solution room, concentrated solution room and negative electrode The part of solution room three, anode dilute solution room and negative electrode dilute solution room are located at the two ends of reaction tank respectively, and concentrated solution room is located at anode Dilute solution room and the centre of negative electrode dilute solution room;Concentrated solution room is connected by cationic membrane with anode dilute solution room, by the moon from Sub- film is connected with negative electrode dilute solution room;Anode dilute solution room and negative electrode dilute solution room are connected with electrical storage device, and in anode Dilute solution room and negative electrode dilute solution ceiling portion are equipped with gas liberation port, and bottom is equipped with fresh water entrance and loop exit;Dense The top of solution room is provided with discharge outlet, and head piece is entered provided with seawater in bottom.
The chlorine industry is provided with the pre-processing device to seawater, and outlet and the seawater of pre-processing device enter head piece phase Even.
The gas liberation port in the anode dilute solution ceiling portion is connected with fuel cell;The negative electrode dilute solution ceiling portion Gas liberation port is connected with gas concentration unit.
The loop exit is connected with the circulatory system, and the circulatory system is connected with liquid withdrawal system, and liquid withdrawal system connects The porch of fresh water delivery pipe is connected to, the outlet of fresh water delivery pipe is connected with fresh water entrance.
The discharge outlet is connected with the entrance of conveyance conduit, and the exit of conveyance conduit is provided with turbine power generating device;Water Turbine TRT provides electric energy for chlorine industry.
The beneficial effects of the utility model are:Due to the utility model by chlorine industry, anti-electrodialytic cells subtraction unit, ooze The device of saturating platen press is combined, and system can also produce other byproducts in addition to the electric energy sent is supplied into chlorine industry nearby, Both production efficiency is improved, the life-span of ionic membrane is also extended.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structure principle chart of ocean salinity energy utilization system.
Fig. 2 is the structure principle chart of reaction tank.
1. reaction tank in figure, 2. conveyance conduits, 3. turbine power generating devices, 4. gas concentration units, 5. liquids recoveries dress Put, 6. circulatory systems, 7. chlorine industries, 8. fresh water delivery pipes, 9. electrical storage devices, 10. fuel cells, 11. anode dilute solution rooms, 12. gas liberation port, 13. concentrated solution rooms, 14. discharge outlet, 15. negative electrode dilute solution rooms, 16. fresh water entrances, 17. cationic membranes, 18. anionic membrane, 19. loop exits, 20. seawater enter head piece.
Embodiment
As shown in Figure 1, 2, ocean salinity energy utilization system includes reaction tank 1, conveyance conduit 2, hydraulic turbine generating dress Put 3, gas concentration unit 4, liquid withdrawal system 5, the circulatory system 6, chlorine industry 7, fresh water delivery pipe 8, electrical storage device 9 and combustion Expect battery 10;1 point of the reaction tank is anode dilute solution room 11, concentrated solution room 13 and the part of negative electrode dilute solution room 15 3, anode Dilute solution room 11 and negative electrode dilute solution room 15 are located at the two ends of reaction tank 1 respectively, and concentrated solution room 13 is located at anode dilute solution room 11 With the centre of negative electrode dilute solution room 15;Concentrated solution room 13 is connected by cationic membrane 17 with anode dilute solution room 11, by the moon from Sub- film 18 is connected with negative electrode dilute solution room 15;Anode dilute solution room 11 and negative electrode dilute solution room 15 are connected with electrical storage device 9, and And gas liberation port 12 is equipped with anode dilute solution room 11 and the top of negative electrode dilute solution room 15, bottom is equipped with fresh water entrance 16 With loop exit 19;Discharge outlet 14 is provided with the top of concentrated solution room 13, head piece 20 is entered provided with seawater in bottom.
The chlorine industry 7 is provided with the pre-processing device to seawater, and outlet and the seawater of pre-processing device enter head piece 20 It is connected.
The gas liberation port 12 at the top of anode dilute solution room 11 is connected with fuel cell 10;The negative electrode dilute solution room The gas liberation port 12 at 15 tops is connected with gas concentration unit 4.
The loop exit 19 is connected with the circulatory system 6, and the circulatory system 6 is connected with liquid withdrawal system 5, liquids recovery dress 5 porch for being connected to fresh water delivery pipe 8 are put, the outlet of fresh water delivery pipe 8 is connected with fresh water entrance 16.
The discharge outlet 14 is connected with the entrance of conveyance conduit 2, and the exit of conveyance conduit 2 is provided with turbine power generating device 3;Turbine power generating device 3 is that chlorine industry 7 provides electric energy.
What the system was utilized is the potential difference between the seawater and freshwater separated by ionic membrane.Wherein cationic membrane 17 Allow cation(Mainly Na+)Pass through, 18 permission anion of anionic membrane(Mainly Cl-)Pass through.In anode dilute solution room 11 and negative electrode dilute solution room 15 in be filled with fresh water, be filled with seawater in concentrated solution room 13;Cation permeable cationic membrane in water 17 flow to negative electrode, and anion-permeable anionic membrane 18 flows to anode.Solution in anode dilute solution room 11 passes through anode surface Oxidation reaction is maintained, and the solution in negative electrode dilute solution room 15 is maintained by the reduction reaction of cathode surface.
Solution produces hydrogen in anode dilute solution room 11 respectively after peroxidization, reduction reaction, light molten in negative electrode Chlorine is produced in liquid room 15, hydrogen is passed into fuel cell 10 and generated electricity, chlorine is passed into gas concentration unit 4 and carried out Recycle.Solution in anode dilute solution room 11 and negative electrode dilute solution room 15, which is passed into liquid withdrawal system 5, enters steaming of passing through Hair, crystallization obtain solid caustic soda, and a remaining part can be added in fresh water delivery pipe 6, be recycled again.
Because ionic membrane both sides have the fresh water in concentration difference, anode dilute solution room 11 and negative electrode dilute solution room 15 can be by ion Film permeates to middle concentrated solution room 13, the water level in concentrated solution room 13 is increased.Again because anode dilute solution room 11 and negative electrode Hydrone in dilute solution room 15 all can be to centre infiltration, and mixed liquor can be entered in conveyance conduit 2 because of pressure, in delivery pipe The exit of road 2 is flowed out, and driving turbine power generating device 3 generates electricity.

Claims (5)

1. a kind of ocean salinity energy utilization system, it is characterised in that the ocean salinity energy utilization system includes anti- Ying Chi(1), conveyance conduit(2), turbine power generating device(3), gas concentration unit(4), liquid withdrawal system(5), cyclic system System(6), chlorine industry(7), fresh water delivery pipe(8), electrical storage device(9)And fuel cell(10);The reaction tank(1)It is divided into sun Pole dilute solution room(11), concentrated solution room(13)With negative electrode dilute solution room(15)Three parts, anode dilute solution room(11)It is light with negative electrode Solution room(15)It is located at reaction tank respectively(1)Two ends, concentrated solution room(13)Positioned at anode dilute solution room(11)It is light molten with negative electrode Liquid room(15)Centre;Concentrated solution room(13)Pass through cationic membrane(17)With anode dilute solution room(11)It is connected, passes through anion Film(18)With negative electrode dilute solution room(15)It is connected;Anode dilute solution room(11)With negative electrode dilute solution room(15)And electrical storage device (9)It is connected, and in anode dilute solution room(11)With negative electrode dilute solution room(15)Top is equipped with gas liberation port(12), bottom It is equipped with fresh water entrance(16)And loop exit(19);In concentrated solution room(13)Top be provided with discharge outlet(14), set in bottom There is seawater to enter head piece(20).
2. ocean salinity energy utilization system according to claim 1, it is characterised in that:The chlorine industry(7)If The pre-processing device to seawater is equipped with, outlet and the seawater of pre-processing device enter head piece(20)It is connected.
3. ocean salinity energy utilization system according to claim 1, it is characterised in that:The anode dilute solution room (11)The gas liberation port at top(12)With fuel cell(10)It is connected;The negative electrode dilute solution room(15)The gas release at top Mouthful(12)With gas concentration unit(4)It is connected.
4. ocean salinity energy utilization system according to claim 1, it is characterised in that:The loop exit(19)With The circulatory system(6)It is connected, the circulatory system(6)With liquid withdrawal system(5)It is connected, liquid withdrawal system(5)It is connected to fresh water defeated Send pipe(8)Porch, fresh water delivery pipe(8)Outlet and fresh water entrance(16)It is connected.
5. ocean salinity energy utilization system according to claim 1, it is characterised in that:The discharge outlet(14)With it is defeated Send pipeline(2)Entrance be connected, conveyance conduit(2)Exit be provided with turbine power generating device(3);Turbine power generating device (3)For chlorine industry(7)Electric energy is provided.
CN201720351234.XU 2017-04-06 2017-04-06 A kind of ocean salinity energy utilization system Active CN206592241U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11502322B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell with heat pump
US11502323B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11855324B1 (en) 2022-11-15 2023-12-26 Rahul S. Nana Reverse electrodialysis or pressure-retarded osmosis cell with heat pump
US12040517B2 (en) 2022-11-15 2024-07-16 Rahul S. Nana Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof
CN118659008A (en) * 2024-08-15 2024-09-17 中科嘉鸿(佛山市)新能源科技有限公司 Water-electricity-heat cogeneration device based on fuel cell and control method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11502322B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell with heat pump
US11502323B1 (en) 2022-05-09 2022-11-15 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11563229B1 (en) 2022-05-09 2023-01-24 Rahul S Nana Reverse electrodialysis cell with heat pump
US11611099B1 (en) 2022-05-09 2023-03-21 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11699803B1 (en) 2022-05-09 2023-07-11 Rahul S Nana Reverse electrodialysis cell with heat pump
US12107308B2 (en) 2022-05-09 2024-10-01 Rahul S Nana Reverse electrodialysis cell and methods of use thereof
US11855324B1 (en) 2022-11-15 2023-12-26 Rahul S. Nana Reverse electrodialysis or pressure-retarded osmosis cell with heat pump
US12040517B2 (en) 2022-11-15 2024-07-16 Rahul S. Nana Reverse electrodialysis or pressure-retarded osmosis cell and methods of use thereof
CN118659008A (en) * 2024-08-15 2024-09-17 中科嘉鸿(佛山市)新能源科技有限公司 Water-electricity-heat cogeneration device based on fuel cell and control method

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