WO2006100716A1 - 燃料電池用水処理装置 - Google Patents
燃料電池用水処理装置 Download PDFInfo
- Publication number
- WO2006100716A1 WO2006100716A1 PCT/JP2005/004936 JP2005004936W WO2006100716A1 WO 2006100716 A1 WO2006100716 A1 WO 2006100716A1 JP 2005004936 W JP2005004936 W JP 2005004936W WO 2006100716 A1 WO2006100716 A1 WO 2006100716A1
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- WIPO (PCT)
- Prior art keywords
- water
- chamber
- fuel cell
- water treatment
- exchange membrane
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
- B01D61/48—Apparatus therefor having one or more compartments filled with ion-exchange material, e.g. electrodeionisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
- B01D61/50—Stacks of the plate-and-frame type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/52—Accessories; Auxiliary operation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04044—Purification of heat exchange media
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
- C02F1/4695—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis electrodeionisation
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to a fuel cell water treatment device that treats water recovered from a fuel cell with a pretreatment device and an electrodeionization device, and is particularly suitable when the fuel cell is a solid polymer fuel cell.
- the present invention relates to a fuel cell water treatment device.
- the fuel cell is a polymer electrolyte fuel cell.
- a fluorine-based cation exchange membrane is used as a solid electrolyte, and the fuel cell wastewater contains a small amount of fluorine ions.
- a conventional electrodeionization apparatus alternately forms a plurality of cation exchange membranes and ion exchange membranes between electrodes (anode and cathode) to alternately form a demineralization chamber and a concentration chamber.
- the desalination chamber is filled with ion exchange resin.
- water to be treated flows into the demineralization chamber while applying a voltage between the anode and the cathode, and the concentrated water is circulated through the concentration chamber to remove impurity ions in the water to be treated.
- Deionized water is produced (for example, JP-A-10-43554).
- a conventional electrodeionization apparatus is configured such that a plurality of demineralization chambers and concentration chambers are alternately formed between a cathode and an anode, and therefore, a bipolar electrode having a large electric resistance between the cathode and the anode.
- the applied voltage between is high.
- the structure is complicated and labor is required for production.
- the end plate or frame of a conventional electrodeionization apparatus is made of a synthetic resin, the synthetic resin has low heat resistance such as polypropylene or vinyl chloride. For this reason, it cannot be placed in a location with relatively high temperature (for example, adjacent to the fuel cell).
- An object of the present invention is to provide an extremely compact fuel cell water treatment device in which an electrodeionization device and a pretreatment device are combined.
- the water treatment device for a fuel cell is a water treatment device for a fuel cell in which the water collected from the fuel cell is pretreated with a pretreatment device and then deionized with an electrodeionization device.
- the electrodeionization device and the pretreatment device are configured in a rectangular box shape having substantially the same thickness and height, and the electrodeionization device and the pretreatment device are juxtaposed and connected as a whole. It is configured in a rectangular box shape.
- the pretreatment device and the electrodeionization device are rectangular in shape as a whole, and are small and compact.
- FIG. 1 is a flow chart of a fuel cell water treatment device according to an embodiment.
- FIG. 2 is a perspective view of the fuel cell water treatment device of FIG.
- FIG. 3 is a perspective view of the casing of FIG. 2 with the front cover opened.
- FIG. 3 is also a perspective view of the state where the fluorine adsorbent resin and the metal adsorbed resin are removed.
- FIG. 5 is a front view showing the configuration of FIG. 4.
- FIG. 6a and FIG. 6b are perspective views of the frame in the air cleaning chamber.
- FIG. 7 is a cross-sectional view taken along line VII-VII in FIG.
- FIG. 8 is a perspective view of a refracting plate in the decarbonation chamber.
- FIG. 9 is a schematic perspective view of a filler.
- FIG. 10 is a schematic longitudinal sectional view of an electrodeionization apparatus according to an embodiment.
- FIG. 11 is a schematic exploded perspective view showing the electrodeionization apparatus of FIG.
- FIG. 12 is a schematic exploded perspective view showing the electrodeionization apparatus of FIG.
- FIG. 13 is a schematic exploded perspective view showing the electrodeionization apparatus of FIG.
- FIG. 14 is a perspective view of a flow path forming plate on the cathode side.
- the pretreatment device includes a water treatment unit including a decarboxylation device, a fluorine adsorption device, and a metal adsorption device that are sequentially arranged from the upstream side, and further, the water treatment unit And a water treatment unit and a control device for controlling the pump.
- a water treatment unit including a decarboxylation device, a fluorine adsorption device, and a metal adsorption device that are sequentially arranged from the upstream side, and further, the water treatment unit And a water treatment unit and a control device for controlling the pump.
- These water treatment unit, pump and control device are arranged in a rectangular box-shaped casing. This water treatment apparatus for fuel cells is highly functional, small and compact.
- the water treatment device for a fuel cell performs high-quality treated water by treating the recovered fuel cell water with an electrodeionization device after decarboxylation treatment, fluorine removal treatment and metal fluorine removal treatment. Can be produced.
- This treated water is suitable for fuel cell fuel reforming and the like.
- fluorine since fluorine is removed, deterioration of the ion exchange resin of the electrodeionization apparatus is prevented.
- the decarboxylation apparatus performs decarboxylation treatment by blowing a gas into the raw water, and a cleansing apparatus for scavenging this gas is provided. It is arranged in the casing, and the air cleaning device is configured to receive the waste water of the electrodeionization device and clean the air by contacting the waste water and the gas.
- This decarboxylation treatment is performed by blowing a gas into the raw water, and the configuration is simple.
- the gas used for the decarbonation treatment is washed with water and the dust in the air (atmosphere) is dedusted, so that it does not contaminate the decarboxylated water.
- This air cleaning treatment is to bring the electrodeionization device wastewater into contact with the gas, and can effectively use the drainage of the electrodeionization device.
- the fluorine adsorbing portion and the metal adsorbing portion are partitioned by the partition plate provided in the casing, and the water flow in the fluorine adsorbing portion and the metal adsorbing portion is determined.
- Road force It is good also as a structure extended along the partition plate provided in the said casing.
- the partition plate and the partition plate may be made of a heat resistant synthetic resin.
- the electrodeionization device and the pretreatment device are respectively provided with ports for water flow at the facing portions of the electrodeionization device and the pretreatment device.
- the ports of both may face each other and communicate with each other.
- a water channel for communicating the deionization processing unit and the port may be provided, and a flow rate adjusting member may be provided in the water channel.
- a water quality measurement electrode may be provided in the water channel.
- a cathode exchange membrane and a cation exchange membrane are arranged between a cathode and an anode respectively held on a plate, and a cation exchange membrane and a cathode arranged on the cathode side.
- a demineralization chamber surrounded by a frame may be provided between the ion exchange membrane arranged on the side.
- a first cation exchange membrane, an anion exchange membrane, and a second cation exchange membrane are arranged in this order from the cathode side to the anode side, and the space between the cathode and the first force thione exchange membrane is concentrated.
- An anode chamber may be provided between the second cation exchange membrane and the anode.
- This electrodeionization apparatus has one demineralization chamber, and a concentration chamber and a cathode chamber / concentration chamber are arranged on both sides of the demineralization chamber. The applied voltage between the electrodes is low.
- This electrodeionization device has one demineralization chamber and produces a small amount of water per unit time, but it can be used practically for small fuel cells.
- This electrodeionization apparatus can be assembled by sandwiching two frames, two cation exchange membranes and one ion exchange membrane between a pair of plates. Threading is easy.
- the plate and frame of the electrodeionization apparatus may be made of heat-resistant synthetic resin!
- the rectangular box-type casing of the electrodeionization apparatus and the pretreatment apparatus may be made of heat-resistant synthetic resin. Even if the electrodeionization apparatus configured in this way is arranged at a location where the temperature is relatively high, deformation of the plate, the frame, or the like, or elution of components from them can be prevented.
- the heat-resistant synthetic resin may be syndiotactic polystyrene (SPS) or a polyacetanol resin.
- FIG. 1 is a flowchart of a fuel cell water treatment apparatus according to an embodiment of the present invention.
- Fuel power The recovered water such as pond condensate is treated by the decarboxylation device 1, the fluorine adsorption removal device 2, the metal removal device 3 and the electrodeionization device 4, and the deionized water produced by the electrodeionization device 4 is fuel reformed. Supplied to a container.
- the decarboxylation device 1 is of the air aeration type.
- the aeration air is published in the air cleaning device 5 and purified, and then blown into the water in the decarbonation device 1. Drainage of the concentration chamber or electrode chamber force of the electrodeionization device 4 is introduced into the air cleaning device 5. The waste water from the air cleaning device 5 is discharged out of the system.
- the decarboxylation apparatus 1 includes a substantially spiral refracting plate 32 shown in Fig. 8 to be described later, and a filler filled in the spiral flow path of the refracting plate 32. This configuration will also be described in detail later.
- the fuel cell-recovered hydraulic fluorine is highly adsorbed and removed by the fluorine adsorption / removal device 2, so that it is deteriorated by the ion exchanger force S of the electrodeionization device 4 Therefore, the fuel cell wastewater can be treated stably over a long period of time and used as a water source for the fuel reformer.
- the decarboxylation device 1 is composed of a refracting plate and a filler, and is excellent in decarburizing acid characteristics while being small. For this reason, the load of the electrodeionization apparatus 4 is small.
- the gas (air) supplied to the decarboxylation device 1 is dust-removed by the air cleaning device 5, and the raw water (recovered water) is prevented from being contaminated.
- This air cleaning device 5 is an electrodeionization device.
- the waste water of 4 is drained, and the drainage of the electrodeionization device 4 is effectively reused.
- FIG. 2 to FIG. 9 for a fuel cell water treatment device comprising the device 4 I will explain.
- FIG. 2 is a perspective view of the fuel cell water treatment device as viewed from below
- Fig. 3 is a perspective view of the casing with the front cover opened
- Fig. 4 is a fluorine diagram from Fig. 3.
- FIG. 5 is a front view showing the configuration of FIG. 4
- FIG. 6 is a perspective view of the frame in the air-cleaning chamber
- FIG. 7 is FIG.
- FIG. 8 is a perspective view of the refracting plate in the decarbonation chamber
- FIG. 9 is a schematic diagram of the packing.
- the water treatment apparatus for a fuel cell is obtained by integrating the rectangular box type pretreatment apparatus 10 having the decarboxylation apparatus 1 and the rectangular box type electric deionization apparatus 4.
- the casing 12 of the pretreatment device 10 has a shallow rectangular box shape, and a front cover 14 is attached to the front surface.
- the height and depth of the pretreatment device 10 and the height and depth of the electrodeionization device 4 are the same, and these coupling bodies are in the form of a rectangular box as a whole.
- the casing 12 is made of SPS (syndiotactic polystyrene) mixed with glass fiber, but the material is not limited to this.
- the waste water from the concentration chamber / cathode chamber of the electrodeionization apparatus 4 is introduced into the air cleaning chamber 20 through the transfer pipe 18 and the air is cleaned.
- the leading end of the other transfer pipe 18 passes through the side wall surface of the casing 12 and opens to the outer surface on the side of the casing 12.
- FIG. 6a and 6b are perspective views seen from opposite directions.
- water staying in the flush chamber 20 is shown.
- the air cleaning chamber 20 is formed between a pair of vertical partition plates 20a and 20b (Fig. 5) provided integrally with the casing 12.
- the air supplied from an air pump (not shown) is blown into the air cleaning chamber 20 through an air tube 21.
- a frame 22 is installed in the air cleaning chamber 20.
- the frame 22 includes a surrounding frame portion 23, a hanging plate 24, and a rising plate 25, and a central chamber 26, a water outflow chamber 27, and an air outflow chamber 28 are formed.
- the end of the tube 21 is inserted into the central chamber 26.
- Water is introduced into the central chamber 26 via the transfer pipe 18.
- a drooping plate 24 is provided between the central chamber 26 and the water outflow chamber 27.
- the drooping plate 24 hangs down from the upper side of the surrounding frame portion 23. This water stream was transferred to spill chamber 27 It flows out of the casing 12 through the overflow port 29 from the upper part of the exit chamber 27.
- water is accumulated up to the lower edge level of the overflow port 29, and the lower end of the tube 21 is submerged in this water!
- the central chamber 26 and the air outflow chamber 28 are partitioned by a rising plate 25 that stands up from the bottom side of the surrounding frame portion 23.
- the air cleaned in the cleaning chamber 20 was introduced from the air inlet 31 to the decarburizing acid chamber 30 where the decarboxylation device was installed, and the water used for cleaning was provided on the back surface of the casing 12. It flows out from the outflow hole (not shown) and is discarded.
- the decarbonation device in the decarbonation chamber 30 includes a substantially spiral refracting plate 32 and a filler.
- To-be-treated water is introduced into the upper part of the decarbonation chamber 30 from the treated water inlet (not shown) on the back surface or upper surface of the casing 12.
- the air from the air inlet 31 rises while circling the refracting plate 32, contacts with the water to be treated, and decarboxylates.
- the spiral passage 34 of the refracting plate 32 is filled with a random three-dimensional structure 33 entangled with a synthetic resin or metal wire, schematically shown in FIG. It is constructed so that it rises along the refracting plate while being severely divided and is sufficiently decarboxylated.
- the diameter of this wire is preferably about 0.05 to 0.5 mm.
- the average diameter of the path between the wires of the filler is preferably 2-10mm, especially 3-7mm.
- the refracting plate 32 is formed by joining a metal plate with a slit and bending it into a multi-stage spiral by welding or the like, and integrally molding with a plastic such as syndiotactic polystyrene.
- a long and narrow partition plate is vertically passed through the shaft center portion.
- the height of the spiral per step is preferably about 5-10mm.
- the metal plate (or plastic) constituting each step of the refracting plate 32 has a rectangular shape, but the decarbonation chamber has a cylindrical shape.
- the refracting plate has a screw thread shape.
- substantially spiral is not limited to a mathematical spiral structure, but is a refraction like the present embodiment or a polygonal shape similar thereto.
- a folded step shape is also included.
- the decarbonation chamber 30 has a height of 100 mm, a depth and a width of 50 mm, and as shown in the figure, a seven-stage refracting plate 32 is disposed, and a packing having an average opening diameter of about 5 mm is used as a refractive channel. It was found that when the water temperature was 5 ° C and the water concentration was 80ppm, the water was diffused at 40mLZmin and the air was diffused at 2000mLZmin, the carbon dioxide concentration of the treated water was less than lOppm. It was.
- the decarboxylated water flows into the relay chamber 40 (Figs. 4 and 7) from the decarboxylation chamber 30 through the advection port 36 (Fig. 5) and from the relay chamber 40 to the advection port. 42 (Fig. 7) into the reservoir 50.
- the relay chamber 40 is extended in the vertical direction behind the water storage chamber 50.
- a water advection port 42 force S is provided at the upper part of the relay chamber 40.
- the water level in the decarbonation chamber 30 is the height of the lower edge of the advection port 42.
- the water level in the decarboxylation chamber is more than 50% of the chamber height.
- float switches 52 and 54 for detecting the water level are provided in the water storage chamber 50. When both the float switches 52 and 54 are OFF, the pump 62 described below is stopped.
- the back side of the pump installation chamber in which the pump 62 and its motor 64 are installed is double bottomed to form a control circuit installation chamber (not shown), and the motor 64 is electrically connected to the control circuit installation chamber.
- a circuit board (not shown) on which the control circuit of the gas deionizer 4 is mounted is installed.
- the pump 62 is a positive displacement pump so that the flow rate does not decrease even when the differential pressure of the electrodeionization device 4 or the like increases.
- the water in the water storage chamber 50 is introduced into the lower portion of the first fluorine removal chamber 70 through the tube 60, the pump 62 driven by the motor 64, and the tube 66, and rises in the chamber 70. .
- water is introduced into the upper part of the second fluorine removing chamber 72 from the upper part of the fluorine removing chamber 70 via the advection pipe 71 and descends in the chamber 72.
- it is introduced into the lower part of the third fluorine removal chamber 74 through the advection port 73 and moves up in the chamber 74.
- Each fluorine removal chamber 70, 72, 74 is filled with fluorine adsorption resin 76 (FIG. 3), and fluorine ions are adsorbed and removed.
- fluorine adsorption resin 76 FOG. 3
- An aluminum compound having fluorine adsorption ability such as aluminum silicate can be used instead of the fluorine adsorption resin.
- the water reaching the upper part of the chamber 82 is introduced into the electrodeionization apparatus 4 through the advection port 84.
- a microfiltration membrane is disposed so as to cover the advection port 84 so that the debris of the resin does not flow into the electrodeionization device 4.
- Each metal removal chamber 80, 82 is filled with a metal adsorption resin 86, and metal ions are adsorbed and removed.
- the water decarboxylated, fluorine-removed and metal-removed by the pretreatment device 10 is the advection port 8
- partition plates 90, 92, 94, 96, 98 force S are extended in the vertical direction in order to partition each removal chamber 70, 72, 74, 80, 82, Each room 70, 72, 74, 80, 8
- the water passage speed can be increased to, for example, LV3 (h-).
- LV3 h-
- the contact efficiency between fats 76 and 86 and water is increased, and ion removal performance is improved.
- the partition plate may be injection-molded integrally with the casing 12, or may be separately attached to the casing 12.
- the tube 66 passes through the partition plate 90, and the advection pipe 71 passes through the partition plate 92.
- the advection ports 73, 78, 81 are provided in the partition plates 94, 96, 98.
- the advection port 84 is formed in the side wall of the casing 12.
- a cation exchange membrane and a ion exchange membrane are arranged between an anode and a cathode to form a desalting chamber and a concentration chamber, and an ion exchanger is placed in the desalting chamber. It has a filled configuration.
- the anode chamber and the cathode chamber may be provided independently, but in this embodiment, the cathode chamber also serves as the concentration chamber.
- FIG. 10 is a schematic longitudinal sectional view of this electrodeionization apparatus
- FIG. 11 is this electrodeionization device
- FIG. 12 and FIG. 13 are an enlarged exploded perspective view of a part of this electrodeionization apparatus
- FIG. 14 is a perspective view of the flow path forming plate on the cathode side.
- a heat-resistant first cation exchange membrane 103, An on-exchange membrane 104 and a second cation-exchange membrane 103 ′ are arranged one by one, and a concentration chamber / cathode chamber 105 is formed between the cathode 101 and the first cation-exchange membrane 103, and the first A desalination chamber 107 is formed between the cation exchange membrane 103 and the ion exchange membrane 104, and a concentration chamber 110 is formed between the ion exchange membrane 104 and the second cation exchange membrane 103 ′.
- An anode chamber 106 is formed between the second cation exchange membrane 103 ′ and the anode 102.
- Cathode 101 and anode 102 are held by heat-resistant synthetic resin (preferably SPS) plates 120 and 150, and the surroundings of desalting chamber 107 and concentration chamber 110 are made of heat-resistant synthetic resin (preferably made of SPS). ) Frame 130, 140.
- heat-resistant synthetic resin preferably SPS
- the concentrating chamber 110 is filled with a key-exchange resin (not shown), and the concentrating and cathodic chamber 105 and the anode chamber 106 are filled with a cation-exchanged resin (not shown), respectively.
- the ion-exchange resin filled in the concentration chamber / cathode chamber 105, the concentration chamber 110, and the anode chamber 106 is a mixture of a key-exchange resin, a key-exchange resin, and a force thio-exchange resin. May be.
- the desalting chamber 107 is filled with a cation exchange resin and a cation exchange resin in a mixed state.
- a raw water inlet is provided at one end of the desalting chamber 107, and a deionized water outlet is provided at the other end.
- a portion of the deionized water is collected and introduced into the anode chamber 106.
- the effluent from the anode chamber 106 flows into the concentrating chamber 110 at one end and flows out from the other end.
- the effluent water from the concentration chamber 110 flows into the concentration chamber / cathode chamber 105 from one end side and is discharged as waste water from the other end side.
- C1— in the desalination chamber moves only to the concentration chamber 110 and does not move to the anode chamber 106. For this reason, the C1— concentration in the anode chamber 106 is only C1— present in the deionized water, and the C1 generated by the anodic oxidation in the anode chamber 106 is extremely small. Therefore, cation exchange in the anode chamber 106
- the cathode chamber also serves as the concentration chamber, the electrical conductivity of the electrode water in the cathode chamber is high.
- the water flow direction in the concentration chamber / cathode chamber 105, the concentration chamber 110, and the anode chamber 106 may be parallel flow water or counter flow water with the desalting chamber 107, but is preferably upward flow water. This is because each chamber 105, 106 has a gas such as H or O due to direct current, and a small amount of C1 or the like in some cases.
- the plates 120 and 150 are recessed with the central part of the plate facing the cation membranes 103 and 103 'recessed, and a thin plate, film-like or film-like cathode 101 or anode 102 is formed on the bottom of the recess. It is provided. The inside of this recess is a concentration chamber / cathode chamber 105 or an anode chamber 106.
- the frames 130 and 140 have a frame shape, and the inside of the frame becomes the desalination chamber 107 or the concentration chamber 110.
- the frames 130 and 140 are provided with ridges 131, 132 and 141, 142 extending up and down by 107, 110 force in each chamber.
- the flow path forming plates 160 and 170 are arranged outside the plates 120 and 150.
- Raw water introduction holes 161, 121, and 103 a for introducing raw water into the desalting chamber 107 are provided in the thickness direction above the flow path forming plate 160, the plate 120, and the cation membrane 103. This They are arranged so that they are concentric with each other, 161, 121, 103ai.
- holes 103b, 122, 162 for taking out deionized water from the demineralization chamber 107 are coaxial, and a recess is formed in the lower part of the frame 130. It is provided to overlap with 132.
- the flow path forming plate 160, the plate 120, the cation membrane 103, the frame 130, the ion membrane 104, the frame 140, the cation membrane 103, the plate 150 and the flow path forming plate 170 include deionized water.
- To sort the anode chamber 106 [to guide this [to, co-reciprocal] [coaxial] [163, 123, 103c, 133, 104c, 143, 103 'c, 153, 173 force in the thickness direction
- Holes 155 and 175 for guiding the deionized water to the anode chamber 106 are provided in the thickness direction below the plate 150 and the flow path forming plate 170. Hole 155 faces anode chamber 106.
- a groove 174 that communicates the holes 173 and 175 is provided on the outward plate surface of the flow path forming plate 170.
- holes 156, 176 for taking out the anode chamber outflow water are coaxially provided in the thickness direction.
- a groove 177 for communicating the hole 176 with a hole 178 provided in the lower portion is provided on the outward plate surface of the flow path forming plate 170.
- the frame 140, the cation membrane 103, and the plate 150 are provided with holes 148, 103 ′ d, and 158 coaxially with the hole 178.
- the hole 148 faces the recess 142 at the bottom of the frame 140.
- a hole 149 for allowing the drainage of the concentrating chamber drain to penetrate the concave portion 141 at the top of the frame 140 is provided in the thickness direction.
- holes 104e, 139, 103e, 129, and 169 for taking out the drainage of the concentration chamber are provided coaxially with the holes 149 in the thickness direction.
- holes 167 and 127 for guiding the drainage of the concentrating chamber to the concentrating chamber / cathode chamber 105 are coaxially penetrated in the thickness direction.
- holes 128 and 168 for allowing drainage to flow out of the concentration chamber / cathode chamber 105 are coaxially penetrated in the thickness direction.
- a flow channel groove (hereinafter abbreviated as a groove) 180 that is continuous with the water extraction hole 162 is provided.
- the groove 180 rises upward and branches into grooves 181, 182 on the way.
- the groove 181 extends downward, and its lower end communicates with the hole 163.
- the groove 182 extends upward so as to extend the groove 180 and reaches the vicinity of the upper end of the flow path forming plate 160.
- the upper end of the groove 183 and the side surface of the flow path forming plate 160 communicate with each other through a small hole 183 for taking out deionized water.
- an electrode 184 for measuring the quality of deionized water (in this embodiment, electric conductivity) is provided.
- orifices 185 and 186 for adjusting the flow rate are respectively installed.
- a groove 189 for guiding the concentrated chamber effluent water from the hole 169 to the hole 167 extends vertically.
- Stainless steel outer plates 191, 192 (Fig. 2) on both sides of the laminated body of these flow path forming plates 160, 170, plate rods 120, 150, frames 130, 140 and membranes 10, 3, 103 ', 104 4) S is completed by tightening with bolts (not shown). When the outer plates 191 or 192 forces S overlap the grooves 175, 177, 180-183, 189, the grooves become flow paths.
- the cathode-side outer plate 191 is provided with a raw water introduction hole and a drainage discharge hole (not shown) coaxially with the holes 161 and 168, respectively.
- the raw water introduction hole is coaxially arranged with the advection port 84 of the casing 12 and communicates when the casing 12 and the electrodeionization device 4 are connected.
- the drainage hole is arranged coaxially with the front end surface of the transfer pipe 18 of the casing 12 and communicates when the casing 12 and the electrodeionization device 4 are connected.
- the raw water (pretreated water) from the advection port 84 flows in the order of the holes 161, 121, 103a, the desalting chamber 107, the holes 103b, 122, 162, and the groove 180 to become deionized water.
- a part (for example, 50 to 98%) is taken out through the groove 182 and the small hole 183 and supplied to the fuel cell.
- the remainder is groove 811, hole 163, 123, 103c, 133, 104c, 143, 103 'c, 153, 173, groove 174, hole 175, 155, anode chamber 106, hole 156, 176, groove 177, hole 178 , 158, 103 'd, 148, concentration chamber 110 , Holes 149, 104 e, 139, 103 e, 129, 169, groove 189, holes 167, 127, concentration chamber / cathode chamber 105, holes 128, 168 in this order, and fed into the transfer pipe 18. In this way, water flows as shown in FIG.
- the above embodiment is an example of the present invention, and the present invention can take forms other than those shown in the drawings.
- the drainage of the electrodeionization device 4 is supplied to the cleaning chamber 20, but the condensed water generated in the fuel cell system may be supplied.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR1020077019747A KR101325841B1 (ko) | 2005-03-18 | 2005-03-18 | 연료 전지용 수처리 장치 |
PCT/JP2005/004936 WO2006100716A1 (ja) | 2005-03-18 | 2005-03-18 | 燃料電池用水処理装置 |
CNB2005800491591A CN100555728C (zh) | 2005-03-18 | 2005-03-18 | 燃料电池用水处理装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2005/004936 WO2006100716A1 (ja) | 2005-03-18 | 2005-03-18 | 燃料電池用水処理装置 |
Publications (1)
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WO2006100716A1 true WO2006100716A1 (ja) | 2006-09-28 |
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Family Applications (1)
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PCT/JP2005/004936 WO2006100716A1 (ja) | 2005-03-18 | 2005-03-18 | 燃料電池用水処理装置 |
Country Status (3)
Country | Link |
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KR (1) | KR101325841B1 (ja) |
CN (1) | CN100555728C (ja) |
WO (1) | WO2006100716A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103130302A (zh) * | 2009-06-01 | 2013-06-05 | 奥加诺株式会社 | 燃料电池的水处理装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102040260B (zh) * | 2009-10-16 | 2014-02-19 | 奥加诺株式会社 | 燃料电池的水处理装置及燃料电池的水处理方法 |
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JP2000015005A (ja) * | 1998-07-02 | 2000-01-18 | Miura Co Ltd | 脱気装置 |
JP2000051865A (ja) * | 1998-08-06 | 2000-02-22 | Kurita Water Ind Ltd | 電気再生型脱塩装置 |
JP2000331703A (ja) * | 1999-05-24 | 2000-11-30 | Japan Organo Co Ltd | 燃料電池における水回収装置 |
JP2001170658A (ja) * | 1999-12-17 | 2001-06-26 | Kurita Water Ind Ltd | フッ素含有排水の処理装置及び処理方法 |
JP2001219161A (ja) * | 2000-02-08 | 2001-08-14 | Nomura Micro Sci Co Ltd | 純水製造装置 |
JP2004160379A (ja) * | 2002-11-14 | 2004-06-10 | Miura Co Ltd | 純水製造装置 |
JP2004160380A (ja) * | 2002-11-14 | 2004-06-10 | Miura Co Ltd | 純水製造装置 |
JP2004216302A (ja) * | 2003-01-16 | 2004-08-05 | Kurita Water Ind Ltd | 電気脱イオン装置及び水処理装置 |
JP2005103492A (ja) * | 2003-10-01 | 2005-04-21 | Kurita Water Ind Ltd | 脱炭酸装置 |
JP2005116184A (ja) * | 2003-10-02 | 2005-04-28 | Kurita Water Ind Ltd | 燃料電池用水処理装置 |
-
2005
- 2005-03-18 WO PCT/JP2005/004936 patent/WO2006100716A1/ja not_active Application Discontinuation
- 2005-03-18 CN CNB2005800491591A patent/CN100555728C/zh not_active Expired - Fee Related
- 2005-03-18 KR KR1020077019747A patent/KR101325841B1/ko not_active IP Right Cessation
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000015005A (ja) * | 1998-07-02 | 2000-01-18 | Miura Co Ltd | 脱気装置 |
JP2000051865A (ja) * | 1998-08-06 | 2000-02-22 | Kurita Water Ind Ltd | 電気再生型脱塩装置 |
JP2000331703A (ja) * | 1999-05-24 | 2000-11-30 | Japan Organo Co Ltd | 燃料電池における水回収装置 |
JP2001170658A (ja) * | 1999-12-17 | 2001-06-26 | Kurita Water Ind Ltd | フッ素含有排水の処理装置及び処理方法 |
JP2001219161A (ja) * | 2000-02-08 | 2001-08-14 | Nomura Micro Sci Co Ltd | 純水製造装置 |
JP2004160379A (ja) * | 2002-11-14 | 2004-06-10 | Miura Co Ltd | 純水製造装置 |
JP2004160380A (ja) * | 2002-11-14 | 2004-06-10 | Miura Co Ltd | 純水製造装置 |
JP2004216302A (ja) * | 2003-01-16 | 2004-08-05 | Kurita Water Ind Ltd | 電気脱イオン装置及び水処理装置 |
JP2005103492A (ja) * | 2003-10-01 | 2005-04-21 | Kurita Water Ind Ltd | 脱炭酸装置 |
JP2005116184A (ja) * | 2003-10-02 | 2005-04-28 | Kurita Water Ind Ltd | 燃料電池用水処理装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103130302A (zh) * | 2009-06-01 | 2013-06-05 | 奥加诺株式会社 | 燃料电池的水处理装置 |
CN103130301A (zh) * | 2009-06-01 | 2013-06-05 | 奥加诺株式会社 | 燃料电池的水处理装置 |
CN103130302B (zh) * | 2009-06-01 | 2014-07-09 | 奥加诺株式会社 | 燃料电池的水处理装置 |
Also Published As
Publication number | Publication date |
---|---|
KR20070111504A (ko) | 2007-11-21 |
KR101325841B1 (ko) | 2013-11-05 |
CN101151759A (zh) | 2008-03-26 |
CN100555728C (zh) | 2009-10-28 |
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