WO2022191082A1 - 運転支援装置、運転支援システム、運転支援方法および運転支援プログラム - Google Patents
運転支援装置、運転支援システム、運転支援方法および運転支援プログラム Download PDFInfo
- Publication number
- WO2022191082A1 WO2022191082A1 PCT/JP2022/009510 JP2022009510W WO2022191082A1 WO 2022191082 A1 WO2022191082 A1 WO 2022191082A1 JP 2022009510 W JP2022009510 W JP 2022009510W WO 2022191082 A1 WO2022191082 A1 WO 2022191082A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrolytic cells
- period
- electrolytic
- amount
- product
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 273
- 239000003014 ion exchange membrane Substances 0.000 claims abstract description 153
- 238000004364 calculation method Methods 0.000 claims abstract description 65
- 239000007864 aqueous solution Substances 0.000 claims description 71
- 239000000460 chlorine Substances 0.000 claims description 46
- 230000006866 deterioration Effects 0.000 claims description 38
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 37
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- 239000001301 oxygen Substances 0.000 claims description 30
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 21
- 229910052801 chlorine Inorganic materials 0.000 claims description 21
- 239000000243 solution Substances 0.000 claims description 19
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 195
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 180
- 239000011780 sodium chloride Substances 0.000 description 90
- 239000007788 liquid Substances 0.000 description 71
- 238000010586 diagram Methods 0.000 description 57
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 40
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 21
- 239000001103 potassium chloride Substances 0.000 description 20
- 235000011164 potassium chloride Nutrition 0.000 description 20
- 239000007789 gas Substances 0.000 description 14
- 150000001450 anions Chemical class 0.000 description 12
- -1 hydroxide ions Chemical class 0.000 description 11
- 230000006870 function Effects 0.000 description 10
- 238000004891 communication Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 238000009795 derivation Methods 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910001415 sodium ion Inorganic materials 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
- 125000000129 anionic group Chemical group 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 238000003491 array Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- TVWHTOUAJSGEKT-UHFFFAOYSA-N chlorine trioxide Chemical compound [O]Cl(=O)=O TVWHTOUAJSGEKT-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 229940005989 chlorate ion Drugs 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/023—Measuring, analysing or testing during electrolytic production
- C25B15/025—Measuring, analysing or testing during electrolytic production of electrolyte parameters
- C25B15/029—Concentration
- C25B15/031—Concentration pH
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
- C25B1/16—Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
- C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/023—Measuring, analysing or testing during electrolytic production
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to a driving assistance device, a driving assistance system, a driving assistance method, and a driving assistance program.
- Patent Document 1 describes that "the method for renewing an ion-exchange membrane of the present embodiment includes a step of sandwiching the ion-exchange membrane between an anode-side gasket and a cathode-side gasket, " (Paragraph 0052).
- Patent Literature [Patent Document 1] JP 2019-19408 A
- the production volume of the product may depend on the time of year. Therefore, it is preferable to replace the ion exchange membrane at a time when the production plan of the product can be satisfied. Therefore, an operation support device that supports the operation of an electrolyzer can identify the replacement timing of the ion exchange membrane that can satisfy the production plan of the product while reducing the total cost associated with the operation of the electrolyzer as much as possible. desirable.
- a first aspect of the present invention provides a driving support device.
- the operation support device includes a production amount acquisition unit that acquires a target production amount of a product produced in a predetermined period by one or more electrolytic cells, and an ion-exchange membrane of the one or more electrolytic cells that is updated.
- a production volume calculation unit that calculates the maximum production volume of the product produced by one or more electrolytic cells in a period, which is the maximum production volume of the product when the maximum production volume is the target production volume or more and a period specifying unit that specifies a period of time.
- the operation support device may further include a cost calculation unit that calculates the cost of operating one or more electrolytic cells.
- the period identifying unit may further identify the timing at which the cost is minimized during the period in which the maximum production volume is equal to or greater than the target production volume.
- a plurality of electrolytic cells may each have an anode chamber and a cathode chamber separated by an ion exchange membrane.
- An aqueous solution of alkali metal chloride may be introduced into the anode chamber and an aqueous solution of alkali metal hydroxide may be discharged from the cathode chamber.
- the driving support device is a current supplied to each of the plurality of electrolytic cells, and the production amount of the product produced by the plurality of electrolytic cells in the period is maximized or the amount of product consumed by the plurality of electrolytic cells in the period.
- the amount of electric power is minimized, or the mass of the alkali metal chloride introduced into the anode chamber and contained in the aqueous solution of alkali metal hydroxide discharged from the cathode chamber is minimized.
- a current calculating unit that calculates a current that minimizes the mass of oxygen contained in chlorine derived from the anode chamber, and a current that supplies the current calculated by the current calculating unit to each of the plurality of electrolytic cells. and a supply unit.
- the driving support device may further include an electric power acquisition unit.
- the power amount acquisition unit may acquire the power amount for each of the plurality of electrolytic cells to produce the product.
- the current calculation unit calculates a current that maximizes the production amount of the product or minimizes the mass of alkali metal chloride or oxygen when the amount of power is less than the predetermined amount of power. can be calculated.
- the driving support device may further include an electrolytic cell identification unit that identifies the electrolytic cell with the largest amount of power among the plurality of electrolytic cells.
- the power amount acquisition unit may acquire the total power amount in a plurality of electrolytic cells.
- the electrolytic cell identifying unit may identify the electrolytic cell with the largest amount of power when the total amount of power in the predetermined period is the smallest.
- the driving support device may further include an electrolytic cell identification unit that identifies an electrolytic cell having the lowest current efficiency among the plurality of electrolytic cells.
- the current calculation unit calculates a current that maximizes the production amount of the product or minimizes the amount of power when the mass of the alkali metal chloride or the mass of oxygen is less than a predetermined concentration.
- the current calculation unit may calculate the current to each of the multiple electrolytic cells that maximizes the total production volume of the product in a predetermined period.
- the driving support device may further include an electrolytic cell identification unit.
- the production amount acquisition unit may further acquire the production amount of the product produced by each of the plurality of electrolytic cells during the period.
- the production amount calculation unit may further calculate the production amount of the product produced by each of the plurality of electrolytic cells during the period.
- the electrolytic cell identification unit updates the ion exchange membranes of the plurality of electrolytic cells based on the production volume of the product acquired by the production volume acquisition unit and the production volume of the product calculated by the production volume calculation unit. You may specify an electrolyser that
- the electrolytic cell identification unit may identify, among the plurality of electrolytic cells, the electrolytic cell with the smallest production volume of the product acquired by the production volume acquisition unit.
- the operation support device may further include a pH acquisition unit that acquires the pH of the aqueous alkali metal chloride solution introduced into the anode chamber and the pH of the aqueous alkali metal chloride solution led out from the anode chamber.
- the electrolytic cell identification unit may identify, among the plurality of electrolytic cells, the electrolytic cell whose ion exchange membrane is to be renewed based on the pH of the aqueous solution of the alkali metal chloride obtained by the pH obtaining unit.
- the driving support device may further include a deterioration rate acquisition unit that acquires the deterioration rate of the ion exchange membrane in each of the plurality of electrolytic cells.
- the electrolytic cell specifying unit may specify an electrolytic cell whose ion exchange membrane is to be renewed among the plurality of electrolytic cells based on the rate of deterioration of the ion exchange membrane.
- the electrolytic cell identification unit identifies the electrolytic cell having the one ion exchange membrane.
- the production volume calculation unit may further calculate the maximum production volume of the product when the one ion exchange membrane specified by the electrolytic cell specification unit is updated.
- the period specifying unit may further specify a period during which the maximum production volume is equal to or greater than the target production volume.
- the alkali metal chloride may be sodium chloride or potassium chloride.
- the alkali metal hydroxide may be sodium hydroxide.
- the alkali metal hydroxide may be potassium hydroxide.
- a second aspect of the present invention provides a driving support system.
- the driving assistance system includes a driving assistance device and one or more electrolytic cells.
- a third aspect of the present invention provides a driving support method.
- the operation support method includes a production volume acquisition step in which a production volume acquisition unit acquires a target production volume of a product to be produced by one or more electrolytic cells in a predetermined period; Calculation of maximum production volume for calculating the maximum production volume of a product produced in a period by one or more electrolytic cells, which is the maximum production volume of a product when the ion exchange membranes of multiple electrolytic cells are renewed and a period specifying step in which the period specifying unit specifies a period during which the maximum production amount is equal to or greater than the target production amount, from among the predetermined periods.
- a fourth aspect of the present invention provides a driving assistance program.
- the operation support program provides a computer with a production volume acquisition function for acquiring a target production volume of a product produced in a predetermined period by one or more electrolytic cells, and an ion exchange function possessed by one or more electrolytic cells.
- a production volume calculation function that calculates the maximum production volume of the product produced by one or more electrolytic cells in a period, which is the maximum production volume of the product when the membrane is renewed, and the maximum production volume is the target production and a period specifying function for specifying a period in which the amount is equal to or greater than the amount.
- FIG. 4 is an enlarged view of the vicinity of an ion exchange membrane 84 in the electrolytic cell 91 shown in FIG. 3.
- FIG. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows an example of the block diagram of the driving assistance device 100 which concerns on one Embodiment of this invention. 4 is a diagram showing an example of the relationship between time t and production amount Pa and an example of the relationship between time t and cost C; FIG. FIG.
- FIG. 3 is a diagram showing another example of a block diagram of the driving assistance device 100 according to one embodiment of the present invention
- FIG. 3 is a diagram showing another example of a block diagram of the driving assistance device 100 according to one embodiment of the present invention
- FIG. 3 is a diagram showing another example of a block diagram of the driving assistance device 100 according to one embodiment of the present invention
- 6 is a diagram showing an example of a display mode on a display unit 62
- FIG. 10 is a diagram showing an example of a display mode of the display unit 62 when a second condition Cd2 is selected
- FIG. 4 is a diagram showing an example of operating conditions Cda and optimum operating conditions Cdb
- FIG. 11 is a diagram showing another example of the display mode of the display unit 62 when the second condition Cd2 is selected;
- FIG. 10 is a diagram showing another example of the display mode of the display unit 62 when the first condition Cd1 and the second condition Cd2 are selected;
- FIG. 10 is a diagram showing another example of the display mode of the display unit 62 when the first condition Cd1 and the second condition Cd2 are selected;
- 4 is a diagram showing an example of the relationship between time t and power amount Pw under operating conditions Cda and optimum operating conditions Cdb;
- FIG. FIG. 10 is a diagram showing another example of the display mode of the display unit 62 when the first condition Cd1 and the second condition Cd2 are selected;
- FIG. 10 is a diagram showing another example of the display mode of the display unit 62 when the first condition Cd1 and the second condition Cd2 are selected; 4 is a diagram showing an example of the relationship between time t and quality of product P under operating condition Cda and optimum operating condition Cdb.
- FIG. FIG. 4 is a schematic diagram showing an example of a method of deriving optimum operating conditions Cdb;
- FIG. 4 is a diagram showing an example of the relationship between time t and cell voltage CV;
- FIG. 4 is a diagram showing an example of the relationship between time t and current efficiency CE; 4 is a flowchart showing an example of a method for deriving optimum operating conditions Cdb;
- FIG. 4 is a diagram showing an example of timing for updating an ion-exchange membrane 84 (see FIG. 3) under operating conditions Cda and optimum operating conditions Cdb.
- FIG. 24 is a diagram showing an example of a flow when repeatedly executing the optimum operating condition Cdb derivation method shown in FIG. 23; It is a flow chart which shows an example of the driving support method concerning one embodiment of the present invention. It is a flow chart which shows an example of the driving support method concerning one embodiment of the present invention. It is a figure showing an example of driving assistance system 300 concerning one embodiment of the present invention. 22 is a diagram illustrating an example of a computer 2200 in which the driving assistance device 100 according to embodiments of the invention may be embodied in whole or in part; FIG.
- FIG. 1 is a diagram showing an example of an electrolytic device 200 according to one embodiment of the present invention.
- the electrolytic device 200 of this example includes a plurality of electrolytic baths 90 (electrolytic baths 90-1 to 90-M, where M is an integer of 2 or more).
- the electrolytic bath 90 is a bath that electrolyzes the electrolytic solution.
- the electrolytic device 200 of this example includes an introduction pipe 92 , an introduction pipe 93 , an outlet pipe 94 and an outlet pipe 95 .
- the introduction pipe 92 and the introduction pipe 93 are connected to each of the plurality of electrolytic cells 90 .
- the lead-out pipe 94 and the lead-out pipe 95 are connected to each of the plurality of electrolytic cells 90 .
- a liquid 70 is introduced into each of the plurality of electrolytic cells 90 .
- the liquid 70 may be introduced into each of the multiple electrolytic cells 90 after passing through the introduction pipe 92 .
- the liquid 70 is an aqueous solution of an alkali metal chloride. Alkali metals are elements belonging to group 1 of the periodic table of the elements.
- the liquid 70 may be an aqueous NaCl (sodium chloride) solution or an aqueous KCl (potassium chloride) solution.
- a liquid 72 is introduced into each of the plurality of electrolytic baths 90 .
- the liquid 72 may be introduced into each of the multiple electrolytic cells 90 after passing through the introduction pipe 93 .
- the liquid 72 is an aqueous solution of alkali metal hydroxide.
- the liquid 72 is an aqueous NaOH (sodium hydroxide) solution.
- the liquid 70 is a KCl (potassium chloride) aqueous solution
- the liquid 72 is a KOH (potassium hydroxide) aqueous solution.
- a liquid 76 and a gas 78 are drawn out from each of the plurality of electrolytic cells 90 .
- the liquid 76 and the gas 78 may be led out of the electrolytic device 200 after passing through the outlet tube 95 .
- Liquid 76 is an aqueous solution of an alkali metal hydroxide. If the liquid 70 is an aqueous NaCl (sodium chloride) solution, the liquid 76 is an aqueous NaOH (sodium hydroxide) solution. If the liquid 70 is a KCl (potassium chloride) aqueous solution, the liquid 76 is a KOH (potassium hydroxide) aqueous solution.
- gas 78 (described below) is H2 ( hydrogen).
- a liquid 74 and a gas 77 are drawn out from each of the plurality of electrolytic cells 90 .
- the liquid 74 and the gas 77 may be led out of the electrolytic device 200 after passing through the outlet tube 94 .
- Liquid 74 is an aqueous solution of an alkali metal chloride. If the liquid 70 is an aqueous NaCl (sodium chloride) solution, the liquid 74 is an aqueous NaCl (sodium chloride) solution. When the liquid 70 is a KCl (potassium chloride) aqueous solution, the liquid 74 is a KCl (potassium chloride) aqueous solution.
- gas 77 (described below) is Cl 2 (chlorine).
- the plurality of electrolytic cells 90 are arranged in a predetermined direction.
- the predetermined arrangement direction of the plurality of electrolytic cells 90 is defined as the X-axis direction.
- the direction orthogonal to the X-axis direction and extending from the introduction pipe 92 to the discharge pipe 94 is defined as the Z-axis.
- the direction orthogonal to the X-axis and orthogonal to the Z-axis direction is defined as the Y-axis.
- the Z-axis direction may be parallel to the vertical direction, and the XY plane may be a horizontal plane.
- FIG. 2 is a view of the electrolytic device 200 shown in FIG. 1 as seen from the X-axis direction.
- the electrolytic cell 90-M will be described as an example.
- One electrolytic bath 90 may include a plurality of electrolytic cells 91 (electrolytic cells 91-1 to 91-N, where N is an integer of 2 or more). N is 50, for example.
- each of the electrolytic baths 90 - 1 to 90 -M has a plurality of electrolytic cells 91 .
- the introduction pipe 92 and the introduction pipe 93 are connected to the electrolytic cells 91-1 to 91-N, respectively.
- a liquid 70 is introduced into each of the electrolytic cells 91-1 to 91-N.
- the liquid 70 may be introduced into each of the electrolytic cells 91-1 to 91-N after passing through the introduction pipe 92.
- FIG. A liquid 72 is introduced into each of the electrolytic cells 91-1 to 91-N. After passing through the introduction pipe 93, the liquid 72 may be introduced into each of the electrolytic cells 91-1 to 91-N.
- the lead-out pipe 94 and the lead-out pipe 95 are connected to the electrolytic cells 91-1 to 91-N, respectively.
- a liquid 76 and a gas 78 (described later) are drawn out from each of the electrolytic cells 91-1 to 91-N.
- the liquid 76 and the gas 78 (described later) may be led out of the electrolytic device 200 after passing through the outlet tube 95 .
- a liquid 74 and a gas 77 (described later) are drawn out from each of the electrolytic cells 91-1 to 91-N.
- the liquid 74 and the gas 77 may be led out of the electrolytic device 200 after passing through the outlet tube 94 .
- FIG. 3 is a diagram showing an example of details of one electrolytic cell 91 in FIG.
- the electrolytic cell 91 of this example has an anode 80 , a cathode 82 and an ion exchange membrane 84 .
- the electrolytic cell 91 has an anode compartment 79 and a cathode compartment 98 separated by an ion exchange membrane 84 .
- An anode 80 is arranged in the anode chamber 79 .
- a cathode 82 is arranged in the cathode chamber 98 .
- An inlet pipe 92 and an outlet pipe 94 are connected to the anode chamber 79 .
- An introduction pipe 93 and an extraction pipe 95 are connected to the cathode chamber 98 .
- the ion-exchange membrane 84 is a membrane-like substance that blocks the passage of ions having the same sign as the ions arranged on the ion-exchange membrane 84 and allows only the ions having the opposite sign to pass through.
- the ion exchange membrane 84 prevents the passage of ions (that is, anions) having the same sign as the anions (anion groups 86 described later) placed on the ion exchange membrane 84, and It is a cation exchange membrane that allows only ions (ie, cations) to pass through.
- Anode 80 and cathode 82 may be maintained at predetermined positive and negative potentials, respectively.
- Liquid 70 introduced into anode chamber 79 and liquid 72 introduced into cathode chamber 98 are electrolyzed by the potential difference between anode 80 and cathode 82 .
- At the anode 80 the following chemical reactions take place. [Chemical Formula 1] 2Cl ⁇ ⁇ Cl 2 +2e ⁇
- NaCl sodium chloride
- Cl ⁇ chloride ions
- Chlorine gas (Cl 2 ) is generated at the anode 80 by the chemical reaction shown in Chemical Formula 1. Na + (sodium ions) move from the anode chamber 79 to the cathode chamber 98 after passing through the ion exchange membrane 84 due to the attractive force from the cathode 82 .
- the liquid 73 may stay in the anode chamber 79 .
- Liquid 73 is an aqueous solution of alkali metal chloride.
- liquid 73 is assumed to be NaCl (sodium chloride) aqueous solution.
- the Na + (sodium ion) and Cl ⁇ (chloride ion) concentrations of liquid 73 may be less than the Na + (sodium ion) and Cl ⁇ (chloride ion) concentrations of liquid 70 .
- a liquid 75 may be retained in the cathode chamber 98 .
- the liquid 75 is an aqueous solution of alkali metal hydroxide.
- the liquid 75 is an aqueous NaOH (sodium hydroxide) solution.
- hydrogen gas (H 2 ) and hydroxide ions (OH ⁇ ) are generated at the cathode 82 by the chemical reaction represented by Chemical Formula 2.
- the cathode chamber 98 contains a liquid 75 in which hydroxide ions (OH ⁇ ) generated by the chemical reaction represented by Chemical Formula 2 and Na + (sodium ions) transferred from the anode chamber 79 are dissolved. staying.
- FIG. 4 is an enlarged view of the vicinity of the ion exchange membrane 84 in the electrolytic cell 91 shown in FIG.
- Anion groups 86 are immobilized on the ion exchange membrane 84 of this example. Since anions are repelled by the anion groups 86 , they are less likely to pass through the ion exchange membrane 84 .
- the anion is Cl ⁇ (chloride ion).
- the cations 71 are not repelled by the anionic groups 86 and thus can pass through the ion exchange membrane 84 .
- the cations 71 are Na + (sodium ions).
- FIG. 5 is a diagram showing an example of a block diagram of the driving support device 100 according to one embodiment of the present invention.
- the driving assistance device 100 assists the operation of the electrolytic device 200 (see FIG. 1).
- the driving assistance device 100 includes a production volume acquisition unit 10 , a production volume calculation unit 20 , a period identification unit 30 and a control unit 40 .
- the period identification unit 30 will be described later.
- the driving assistance device 100 may include an input unit 60 , a display unit 62 and a cost calculation unit 50 .
- the control unit 40 may include a display control unit that controls the display unit 62 .
- the driving assistance device 100 is, for example, a computer including a CPU, memory, interface, and the like.
- the control unit 40 may be the CPU.
- the production volume acquisition unit 10 acquires a target production volume of a product to be produced in a predetermined period by one or more electrolytic cells 90 (see FIG. 1).
- the product concerned be the product P.
- the product P is at least one of NaOH (sodium hydroxide) and Cl 2 (chlorine).
- the predetermined period may be a period based on the production plan for the product.
- the predetermined period be a period T.
- the target production amount of the product P may be the lower limit production amount of the product P in the period T.
- the production amount and target production amount of the product P be the production amount Pa and the target production amount Pg, respectively.
- the production amount Pa in each electrolytic cell 90 can be calculated by Equation 1 below.
- A is a constant. If the product P is NaCl (sodium chloride), A is for example 1.492. If the product P is KCl (potassium chloride), A is for example 2.093.
- Ie is the current in one electrolytic cell 90
- CE is the current efficiency (described later) in one electrolytic cell 90
- n is the number of electrolytic cells 91 in the electrolytic cell 90 .
- n M.
- the current Ie can be obtained from an integrated production control system DCS (Distributed Control System) that controls the electrolytic device 200 .
- the current efficiency CE is determined by the current Ie, the number n of electrolytic cells 91 in the electrolytic cell 90, the oxygen concentration in the chlorine gas produced, and the alkali metal chloride aqueous solution (liquid in FIG. 3) supplied to the anode chamber 79. 70), the acidity of the alkali metal chloride aqueous solution (liquid 74 in FIG. 3) discharged from the anode chamber 79, the amount of ClO ⁇ (hypochlorite ion) produced, and ClO 3 ⁇ (chloric acid ions) can be calculated from the amount of production.
- the current efficiency CE is the loss (CE HCl ) due to the acidity difference between the acidity of the liquid 70 supplied to the anode chamber 79 and the acidity of the liquid 74 discharged from the anode chamber 79, and the current efficiency CE due to O 2 (oxygen) generation.
- CE O2 current efficiency CE loss due to ClO ⁇ (hypochlorite ion) formation (CE ClO ) and current efficiency CE loss due to ClO ⁇ ( chlorate ion) formation (CE ClO3 ), 100 It can be calculated by subtracting from %.
- AC mol/hr is the acidity of the aqueous alkali metal chloride solution (liquid 70 in FIG. 3) supplied to the anode chamber 79 and the alkali metal discharged from the anode chamber 79. is the difference in acidity from the aqueous solution of chloride (liquid 74 in FIG. 3).
- the acidity of the alkali metal chloride aqueous solution (liquid 70 in FIG. 3) supplied to the anode chamber 79 is defined as Dh1, and the acidity of the alkali metal chloride aqueous solution (liquid 74 in FIG. 3) discharged from the anode chamber 79. be Dh2.
- the flow rate of the aqueous alkali metal chloride solution (liquid 70 in FIG. 3) supplied to the anode chamber 79 is V (L/hr), and the aqueous alkali metal chloride solution (liquid 70 in FIG. 3) discharged from the anode chamber 79 is Let the flow rate of the liquid 74) be V'' (L/hr).
- AC in formula (2-3) is represented by the following formula (3).
- Dm1 be the molar concentration of ClO ⁇ (hypochlorite ions) in the aqueous alkali metal chloride solution (liquid 70 in FIG. 3) supplied to the anode chamber 79, and the alkali metal chloride discharged from the anode chamber 79. If the molar concentration of ClO ⁇ (hypochlorite ions) in the aqueous solution of (liquid 74 in FIG. 3) is Dm2, the loss of current efficiency CE due to the generation of ClO ⁇ (hypochlorite ions) in equation (2-1) (CE ClO ) is represented by the following formula (5).
- Dm1′ be the molar concentration of ClO 3 ⁇ (chlorate ions) in the aqueous alkali metal chloride solution (liquid 70 in FIG. 3) supplied to the anode chamber 79, and the alkali metal chloride discharged from the anode chamber 79.
- Dm2′ is the molar concentration of ClO 3 ⁇ ( chlorate ions) in the aqueous solution of (liquid 74 in FIG. 3 )
- the current efficiency CE loss ( CE ClO3 ) is represented by the following formula (6).
- the target production volume Pg may be input by the input unit 60.
- a user of the driving assistance device 100 may input the target production volume Pg through the input unit 60 .
- the input unit 60 is, for example, a keyboard, mouse, or the like.
- the production volume calculation unit 20 calculates the maximum production volume of the product P when the ion exchange membrane 84 (see FIGS. 3 and 4) is updated (maximum production volume after update (production volume Pm2) described later).
- the maximum production amount is the maximum production amount of the product P produced in the period T by the electrolytic cell 90 . Let the maximum production amount be the maximum production amount Pm.
- the production amount calculation unit 20 calculates the maximum production amount of the product P when the members of the electrolytic cell 90 (see FIGS. 1 and 2) other than the ion exchange membrane 84 are renewed. good too.
- the case where the ion-exchange membrane 84 has been renewed is, for example, when the performance of the ion-exchange membrane 84 has deteriorated, the ion-exchange membrane 84 whose performance has deteriorated is renewed with a new ion-exchange membrane 84 .
- Replacing the ion-exchange membrane 84 whose performance has deteriorated with a new ion-exchange membrane 84 may refer to replacing the ion-exchange membrane 84 whose performance has deteriorated in the electrolytic cell 90 with a new ion-exchange membrane 84 .
- the ion exchange membrane 84 repels anions with the anion groups 86 .
- the performance of the ion exchange membrane 84 refers to the ability of the ion exchange membrane 84 to repel anions by the anion groups 86 .
- the ion-exchange membrane 84 is more likely to deteriorate than when the anionic groups 86 do not have cationic impurities attached to the anionic groups 86 due to the cationic impurities attached to the anionic groups 86 . is degraded in its ability to repel the anionic group 86.
- the performance of the ion exchange membrane 84 tends to deteriorate with the operating time of the electrolytic cell 90 (see FIGS. 1 and 2).
- the maximum production volume refers to the production volume Pa in which the electrolytic device 200 can theoretically produce the product P.
- the maximum production amount is calculated from the maximum current and current efficiency in each of the plurality of electrolytic cells 90 .
- the maximum current and the current efficiency may be the maximum current value and the current efficiency measured when the electrolytic device 200 is in operation.
- the maximum current is 16.2 kA.
- the current efficiency refers to the ratio of the actual production amount of the product P to the theoretical production amount Pa.
- the calculated maximum production volume Pm may be displayed on the display unit 62.
- the display unit 62 is, for example, a display, a monitor, or the like.
- the cost calculation unit 50 calculates the cost of operating one or more electrolytic cells 90 .
- cost C be the cost.
- Cost C is the electricity cost for operating the electrolytic device 200 (see FIGS. 1 and 2), and the ion exchange cost when the ion exchange membrane 84 is replaced before the performance of the ion exchange membrane 84 is completely degraded. Includes unreimbursed cost of membrane 84 .
- the electricity cost for operating the electrolyzer 200 can be calculated by multiplying the power consumption in each electrolytic cell 90 by the electricity cost per unit power consumption.
- the power consumption can be calculated by multiplying the cell voltage CV (described later) of the electrolytic cell 90, the current flowing through the electrolytic cell 90, and the operating time. If the electricity cost is the electricity cost per day, the operating time may be 24 hours.
- the electrical cost for operating the electrolyzer 200 may be the total electrical cost of the multiple electrolyzers 90 .
- the cost C may further include at least one of the maintenance cost of the electrolytic device 200, the opportunity loss cost, and the purchase cost of new ion exchange membranes 84 when the ion exchange membranes 84 are renewed.
- the opportunity loss cost refers to the profit of the product P that would have been obtained if the electrolysis device 200 had continued to operate when the electrolysis device 200 was unable to operate for a period of time.
- FIG. 6 is a diagram showing an example of the relationship between time t and production amount Pa and an example of the relationship between time t and cost C.
- the target production volume is indicated by a thick solid line, the total cost by a two-dot chain line, the maximum production volume before renewal by a one-dot chain line, and the maximum production volume after renewal by a rough broken line.
- the maximum production amount before renewal is the maximum production amount Pm of the product P by the electrolytic cell 90 when the ion exchange membrane 84 is not renewed.
- Let the maximum production amount before the update be the production amount Pm1.
- the maximum production amount after renewal is the maximum production amount Pm of the product P by the electrolytic cell 90 when the ion exchange membrane 84 is renewed.
- the maximum production amount after the update be the production amount Pm2.
- the operation of the electrolytic device 200 may be temporarily stopped. Therefore, when the ion exchange membrane 84 is renewed, there may be a period of time during which the electrolytic cell 90 cannot be operated. Therefore, the production amount Pm2 tends to be smaller than the production amount Pm1.
- the production amount Pm2 is equal to the production amount Pa obtained by subtracting the production amount that could have been produced if the electrolytic cell 90 had been operating from the production amount Pm1. As described above, the performance of the ion exchange membrane 84 tends to deteriorate with the operating time of the electrolytic cell 90 (see FIGS. 1 and 2). easy to decline.
- the period T from time zero to time t1 be period T1.
- a period T from time t1 to time t2 is defined as a period T2.
- a period T from time t2 to time t3 is defined as a period T3.
- a period T from time t3 to time t4 is defined as a period T4.
- the multiple periods T described above include periods T1 to T4.
- the period T1 is, for example, one month
- the periods T2 to T4 are, for example, two months.
- the target production volume Pg in the period T1 be the target production volume Pg1.
- the target production volume Pg in the period T2 and the period T4 is set as the target production volume Pg2.
- the target production amount Pg in the period T3 is set as the target production amount Pg3.
- the target production amount Pg2 is larger than the target production amount Pg1, and the target production amount Pg3 is smaller than the target production amount Pg1.
- the period specifying unit 30 specifies a period T during which the maximum production amount Pm (production amount Pm2) of the product P is equal to or greater than the target production amount Pg when the ion exchange membrane 84 is renewed.
- the period specifying unit 30 specifies at least one of the period T1 and the period T3.
- the production volume Pm1 is greater than the target production volume Pg during the periods T1 to T4.
- the production volume Pm2 is smaller than the target production volume Pg in periods T2 and T4. Therefore, in this example, when the ion exchange membrane 84 is renewed, the electrolytic device 200 (see FIGS.
- periods T2 and T4 are indicated by hatching.
- the electrolytic device 200 when the ion exchange membrane 84 is renewed, the electrolytic device 200 (see FIGS. 1 and 2) can produce the target production amount Pg of the product P during the period T1 and the period T3.
- the period specifying unit 30 (see FIG. 5) specifies a period during which the production volume Pm2 is equal to or greater than the target production volume Pg. Therefore, the user of the driving support device 100 can know the period T during which the ion exchange membrane 84 can be updated. Note that the period T may be displayed on the display unit 62 .
- the computer may have a driving assistance program installed therein for causing the computer to function as the driving assistance device 100 .
- the computer has a production volume acquisition function for acquiring a target production volume Pg of the product P produced in a predetermined period T by one or more electrolytic cells 90, A production amount calculation function for calculating the maximum production amount Pm of the product P produced in the period T by one or more electrolytic cells 90, and the maximum production amount Pm is the target A period identification function for identifying a period T during which the production amount is equal to or greater than Pg, and a driving support program for executing a period identification function may be installed.
- a driving assistance program may be installed in the computer to execute a driving assistance method described later.
- the electricity cost for operating the electrolytic device 200 tends to increase over time.
- the ion-exchange membrane 84 is replaced before the performance of the ion-exchange membrane 84 is completely degraded, the unpaid cost of the ion-exchange membrane 84 is incurred.
- the outstanding costs tend to decrease over time. Therefore, the cost C tends to become minimal at a certain time as time elapses.
- the time at which the cost C is minimized is the time ta.
- the position of cost C at time ta is indicated by a black circle.
- the period specifying unit 30 determines that the cost C is A minimum timing may be specified.
- the time ta is included in the period T2 in which the production volume Pm2 is less than the target production volume Pg. do.
- the time of the timing is set to time t2.
- the user of the driving assistance device 100 can know the period T during which the ion exchange membrane 84 can be updated and the time t2 during which the cost C becomes the minimum.
- the position of cost C at time t2 is indicated by a white circle.
- FIG. 7 is a diagram showing another example of a block diagram of the driving assistance device 100 according to one embodiment of the present invention.
- the driving assistance device 100 of this example is different from the driving assistance device 100 shown in FIG.
- the electric energy acquisition unit 51 acquires the electric energy for producing the product P by each of the plurality of electrolytic cells 90 (see FIG. 1).
- the power amount is set as the power amount Pw.
- the power amount acquisition unit 51 may acquire the power amount Pw for producing the same amount of the product P in each of the plurality of electrolytic cells 90 .
- the amount of electric power Pw for producing the product P may be the amount of electric power Pw required to produce a unit amount of the product P (so-called power consumption rate).
- the electrolytic cell identification unit 52 identifies the electrolytic cell 90 with the largest amount of power Pw among the plurality of electrolytic cells 90 (see FIG. 1).
- the power amount Pw is the power amount Pw acquired by the power amount acquisition unit 51 .
- the electrolytic bath identifying unit 52 may identify one electrolytic bath 90 or may identify K (1 ⁇ K ⁇ M, see FIG. 1 for M) electrolytic baths 90 .
- the electrolytic cell 90 with the largest amount of power Pw is the electrolytic cell 90 that consumes more power than before the ion-exchange membrane 84 deteriorates due to deterioration of the ion-exchange membrane 84, and consumes the most power. It may refer to the electrolytic cell 90 that is in place.
- the electrolytic cell identifying unit 52 identifying the electrolytic cell 90 with the largest amount of electric power Pw the user of the driving support device 100 can know the electrolytic cell 90 in which the ion exchange membrane 84 is preferably updated.
- the power amount acquisition unit 51 may acquire the total power amount Pw in the plurality of electrolytic cells 90 (see FIG. 1).
- the electrolytic cell identifying unit 52 may identify one or more electrolytic cells 90 with one or more electric energy Pw among the plurality of electrolytic cells 90 when the total electric energy Pw in the period T is the minimum.
- the electrolytic cell identification unit 52 may identify the electrolytic cell 90 with the lowest current efficiency among the plurality of electrolytic cells 90 (see FIG. 1).
- the current efficiency refers to the ratio of the actual production amount Pa to the theoretical production amount Pa of the product P.
- NaCl (sodium chloride) aqueous solution is supplied to the anode chamber 79 (see FIG. 3) and NaOH (sodium hydroxide) aqueous solution is supplied to the cathode chamber 98 (see FIG. 3)
- the theoretical production amount Pa is It is calculated based on the maximum current flowing through the tank 90 and the current efficiency.
- the electrolytic cell identification unit 52 determines whether the production amount Pa of the product P produced by the plurality of electrolytic cells 90 (see FIG. 1) during the period T is maximized, or the power consumed by the plurality of electrolytic cells 90 during the period T. Either the amount Pw is minimized, or the mass of the alkali metal chloride contained in the aqueous alkali metal hydroxide solution (liquid 76 in FIG. 3) discharged from the cathode chamber 98 is minimized, or the anode When the mass of O 2 (oxygen) contained in the gas 77 (see FIG. 3, Cl 2 (chlorine) in this example) discharged from the chamber is minimized, among the plurality of electrolytic cells 90, the current efficiency is The lowest electrolytic cell 90 may be identified.
- the driving support device 100 may include a plurality of electrolytic cell identification units 52 .
- the production volume acquisition unit 10 may acquire the production volume Pa of the product P produced during the period T by each of the plurality of electrolytic cells 90 (see FIG. 1).
- the production amount calculation unit 20 may calculate the production amount Pa of the product P produced in the period T by each of the plurality of electrolytic cells 90 .
- the period T is at least one of periods T1 to T4 (see FIG. 6).
- the production amount Pa calculated by the production amount calculation unit 20 may refer to the production amount Pa that the electrolytic device 200 can theoretically produce during the period T.
- the electrolytic cell identification unit 52 identifies a plurality of electrolytic cells based on the production amount Pa of the product P acquired by the production amount acquisition unit 10 and the production amount Pa of the product P calculated by the production amount calculation unit 20.
- An electrolytic cell 90 in which the ion exchange membrane 84 of 90 is to be renewed may be identified.
- the electrolytic cell identifying unit 52 may identify the electrolytic cell 90 to be updated based on the ratio between the obtained production amount Pa and the calculated production amount Pa. The ratio is less than one when the ion exchange membrane 84 is degraded.
- the electrolytic cell 90 in which the ion exchange membrane 84 is renewed may refer to the electrolytic cell 90 in which the ion exchange membrane 84 is preferably renewed due to deterioration of the performance of the ion exchange membrane 84 .
- the electrolytic cell specifying unit 52 may specify the electrolytic cell 90 having the smallest production amount Pa of the product P acquired by the production amount acquiring unit 10 among the plurality of electrolytic cells 90 (see FIG. 1). In the electrolytic baths 90-1 to 90-M shown in FIG. 1, the theoretical production amount Pa that each electrolytic bath 90 can produce in the period T may be the same or different.
- the electrolytic cell identification unit 52 may identify the electrolytic cell 90 with the smallest production amount Pa regardless of whether the production amounts Pa are the same or different.
- FIG. 8 is a diagram showing another example of a block diagram of the driving support device 100 according to one embodiment of the present invention.
- the driving assistance device 100 of this example is different from the driving assistance device 100 shown in FIG. 7 in that it further includes a deterioration speed acquisition unit 53 .
- the deterioration rate obtaining unit 53 obtains the deterioration rate of the ion exchange membrane 84 in each of the plurality of electrolytic cells 90 (see FIG. 1). This deterioration rate is assumed to be a deterioration rate Vd.
- the deterioration rate Vd of the ion exchange membrane 84 may vary depending on the ion exchange membrane 84 .
- the deterioration rate Vd of the ion exchange membrane 84 differs, the deterioration rate Vd differs depending on the individual difference within the predetermined performance range of the ion exchange membrane 84, and the ion exchange membrane 84 has the predetermined performance. If it is out of the range, the deterioration rate Vd may be higher than that of the ion exchange membrane 84 within the performance range.
- the predetermined performance of the ion exchange membrane 84 may be the specified performance of the ion exchange membrane 84 .
- the fact that the performance of the ion exchange membrane 84 is out of the predetermined performance range means, for example, that the ion exchange membrane 84 is defective, or that a hole is formed in the ion exchange membrane 84 while the electrolytic cell 90 is in operation. is open, and so on.
- the deterioration rate Vd of the ion exchange membrane 84 may also differ depending on the type of the ion exchange membrane 84 .
- the type of ion exchange membrane 84 may be the type of anionic groups 86 .
- the types of the plurality of electrolytic cells 90 may be the same or different from each other.
- the type of electrolytic cell 90 may be the type of at least one of anode 80 and cathode 82 .
- the optimum ion exchange membrane 84 type for each electrolytic cell 90 may be different.
- the deterioration rate Vd is equal to or higher than the deterioration rate Vda, for example, when the ion exchange membrane 84 is defective, or when the ion exchange membrane 84 is perforated while the electrolytic cell 90 is in operation.
- the one ion exchange membrane 84 may be an ion exchange membrane 84 outside the predetermined performance range described above.
- the one ion exchange membrane 84 in the electrolytic cell 90 specified by the electrolytic cell specifying unit 52 may be renewed.
- the period specifying unit 30 may further specify a period T during which the maximum production amount Pm is equal to or greater than the target production amount Pd, and the maximum production amount Pm ( The timing at which the cost C is minimized during the period T during which the production volume Pm2) is equal to or greater than the target production volume Pg may be further specified.
- the electrolytic cell identification unit 52 selects the electrolytic cell 90 for renewing the ion exchange membrane 84 among the plurality of electrolytic cells 90 (see FIG. 1).
- the NaCl (sodium chloride) aqueous solution may be the NaCl (sodium chloride) aqueous solution (liquid 70 in FIG. 3) introduced into the anode chamber 79 .
- the NaOH (sodium hydroxide) aqueous solution may be the NaOH (sodium hydroxide) aqueous solution (liquid 76 in FIG. 3) drawn out from the cathode chamber 98 .
- the electrolytic cell identification unit 52 can identify the electrolytic cell 90 having the deteriorated ion exchange membrane 84 based on the pH of the NaCl (sodium chloride) aqueous solution.
- FIG. 10 is a diagram showing an example of a display mode on the display section 62.
- the display section 62 displays a first selection section 66 , a designation section 64 and a second selection section 67 .
- the user of the driving support device 100 inputs the first condition Cd1 for operating the electrolytic device 200 (see FIG. 1) through the input unit 60 (see FIG. 9) in the first selection unit 66 and the designation unit 64.
- You can In this example, the user of the driving support device 100 inputs the second condition Cd2 for operating the electrolytic device 200 in the second selection unit 67 through the input unit 60 .
- the first selection section 66 includes three options 63 (options 63-1 to 63-3), and the second selection section 67 includes five options 65 (options 65-1 to 65-5).
- the display section 62 displays three designation sections 64 (designation sections 64-1 to 64-3).
- the second condition Cd2 is a condition (that is, a target condition) that the user of the driving assistance device 100 wants to achieve when the product P is produced by the electrolytic device 200 (see FIG. 1).
- the current calculation unit 55 determines whether the production amount Pa of the product P produced in the period T by the plurality of electrolytic cells 90 (see FIG.
- NaOH (sodium hydroxide) in the NaOH (sodium hydroxide) aqueous solution discharged from the cathode chamber 98 and Cl 2 (chlorine) discharged from the anode chamber 79 are the product P of the electrolytic cell 90 (that is, the target product ). Therefore, the smaller the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) and the mass of O 2 (oxygen) contained in the Cl 2 (chlorine), the better.
- the current calculation unit 55 determines whether the production amount Pa is maximized, the power amount Pw is minimized, or NaCl ( The current at which the mass of sodium chloride) is minimized or the mass of O 2 (oxygen) is minimized may be calculated.
- the current calculator 55 determines whether the concentration of NaCl (sodium chloride) in the NaOH (sodium hydroxide) aqueous solution drawn out from the cathode chamber 98 is minimized, or the Cl 2 (sodium chloride) drawn out from the anode chamber 79 ( A current that minimizes the O 2 (oxygen) concentration of chlorine) may be calculated.
- the first condition Cd1 is a condition guaranteed while satisfying the second condition Cd2 when the product P is produced by the electrolytic device 200 (see FIG. 1).
- the first condition Cd1 may be a condition (that is, a constraint condition) that the user of the driving assistance device 100 wants to guarantee while satisfying the second condition Cd2.
- the current calculation unit 55 may calculate the current that minimizes the power amount Pw when the production amount Pa of the product P is equal to or greater than a predetermined production amount. In this example, the current calculation unit 55 calculates the current that minimizes the electric energy Pw when the production amount Pa of NaOH (sodium hydroxide) is equal to or greater than the production amount Pa1.
- the production amount Pa1 is, for example, 400 tons/day.
- FIG. 12 is a diagram showing an example of the operating condition Cda and the optimum operating condition Cdb.
- the optimum operating condition Cdb is a condition under which the current supplied to each of the plurality of electrolytic cells 90 is optimized so that the electrolytic device 200 satisfies the first condition Cd1 and the second condition Cd2.
- the operating condition Cda may be an operating condition before the optimum operating condition Cdb.
- the electrolytic device 200 is assumed to have six electrolytic baths 90 (electrolytic baths 90-1 to 90-6).
- the operating condition Cda and the optimum operating condition Cdb may be displayed on the display section 62 .
- the display unit 62 displays the cell voltage CV and current efficiency CE of each of the plurality of electrolytic cells 90 when each current is supplied to each of the plurality of electrolytic cells 90, and the production amount Pa of each of the plurality of electrolytic cells 90. and power amount Pw may be displayed together.
- the current efficiency CE in this example refers to the ratio of the actual production amount Pa to the theoretical production amount Pa of the product P.
- the current calculator 55 may calculate the current to each electrolytic cell 90 that minimizes the total power consumption Pws.
- the performance of the ion exchange membranes 84 possessed by each of the plurality of electrolytic cells 90 may differ from each other. Therefore, when the magnitude of current supplied to each of the plurality of electrolytic cells 90 is different, the total electric energy Pws may be smaller than when the magnitude of the current is the same.
- the current calculation unit 55 maintains the magnitude of the total current supplied to the plurality of electrolytic cells 90 and determines the magnitude of the current distributed to each of the plurality of electrolytic cells 90 to minimize the total power amount Pws.
- the operating condition Cda shown in FIG. 12 is an example in which the total current (in this example, the magnitude is 73.9 kA) is equally distributed to the six electrolytic cells 90, and the operating condition Cdb is the total current (in this example, is 73.9 kA) is distributed so that the total power Pws is minimized.
- the number N of electrolytic cells 91 (see FIG. 2) in one electrolytic bath 90 is 160.
- the current supply unit 56 (see FIG. 9) supplies the current calculated by the current calculation unit 55 to each of the multiple electrolytic cells 90 .
- the current supply unit 56 may supply, to each of the plurality of electrolytic cells 90 , the current calculated by the current calculating unit 55 and having a magnitude distributed to each of the plurality of electrolytic cells 90 .
- the operation support device 100 can support the operation of the electrolytic device 200 so as to minimize the amount of power Pw while ensuring that the production amount Pa of NaOH (sodium hydroxide) is equal to or greater than the production amount Pa1.
- the current calculation unit 55 may calculate the current at which the production amount Pa of the product P is equal to or greater than a predetermined production amount and at which the production amount Pa becomes maximum.
- FIG. 13 is a diagram showing another example of the display mode of the display section 62 when the second condition Cd2 is selected.
- the option 65-4 is selected as the second condition Cd2.
- This example differs from the example shown in FIG. 11 in this respect.
- a predetermined production amount Pa1 is specified as the production amount Pa of NaOH (sodium hydroxide).
- Option 65-5 may be selected as the second condition Cd2.
- the current calculation unit 55 calculates the amount of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution drawn out from the cathode chamber 98 when the production amount Pa of the product P is equal to or greater than a predetermined production amount Pa1.
- the current at which the mass is minimized or the mass of O 2 (oxygen) contained in Cl 2 (chlorine) led out from the anode chamber 79 is minimized may be calculated.
- the current calculation unit 55 calculates the magnitude of the current distributed to each of the plurality of electrolytic cells 90 while maintaining the magnitude of the total current supplied to the plurality of electrolytic cells 90 . or may be calculated to minimize the mass of O 2 (oxygen).
- the current calculation unit 55 calculates the current that maximizes the production amount Pa of the product P when the amount of power Pw consumed by the plurality of electrolytic cells 90 during the period T is less than a predetermined amount of power. good. In this example, the current calculator 55 calculates the current that maximizes the production amount Pa when the power consumption Pw consumed in the period T is less than the power consumption Pw1.
- the electric energy Pw1 is, for example, 800000 kWh/day.
- the current calculator 55 may calculate the current to each electrolytic cell 90 that maximizes the total production Pas. As in the case of FIG. 12, the current calculation unit 55 maintains the magnitude of the total current supplied to the plurality of electrolytic cells 90, and calculates the magnitude of the current distributed to each of the plurality of electrolytic cells 90 as follows: It may be calculated so that the total production amount Pas is maximized.
- the current supply unit 56 may supply, to each of the plurality of electrolytic cells 90 , the current calculated by the current calculating unit 55 and having a magnitude distributed to each of the plurality of electrolytic cells 90 .
- the driving support device 100 ensures that the amount of electric power Pw consumed by the plurality of electrolytic cells 90 during the period T is less than the amount of electric power Pw1, and the operation of the electrolytic device 200 so as to maximize the production amount Pa. Can assist driving.
- the current calculator 55 selects a plurality of electrolytic cells. 90, the electric energy Pw consumed in the period T is less than the predetermined electric energy Pw1, and the electric current that minimizes the electric energy Pw may be calculated.
- the current calculation unit 55 calculates that the NaOH (sodium hydroxide) aqueous solution derived from the cathode chamber 98 is A current that minimizes the mass of NaCl (sodium chloride) contained or minimizes the mass of O 2 (oxygen) contained in Cl 2 (chlorine) led out from the anode chamber 79 may be calculated. As in the case of FIG. 12, the current calculator 55 calculates the magnitude of the current distributed to each of the plurality of electrolytic cells 90 while maintaining the magnitude of the total amount of power supplied to the plurality of electrolytic cells 90. , the mass of NaCl (sodium chloride) is minimized, or the mass of O 2 (oxygen) is minimized.
- FIG. 16 is a diagram showing an example of the relationship between time t and power amount Pw under operating condition Cda and optimum operating condition Cdb.
- FIG. 16 is an example of the relationship between time t and power amount Pw when production of product P is started at time t0.
- Each of the times tL0 to tL2 may be one time, or may be for a certain period (for example, one week).
- the threshold of the power amount Pw be the threshold power Pth.
- the threshold power Pth is, for example, the maximum value of power requested by the power company.
- the performance of the ion exchange membrane 84 tends to deteriorate with the operating time of the electrolytic cell 90 (see FIGS. 1 and 2). Therefore, the power amount Pw tends to increase as the time t elapses.
- the power amount Pw was less than the threshold power Pth until time tL1, but becomes equal to or greater than the threshold power Pth at time tL2.
- the magnitude of the current distributed to each of the tanks 90 may be calculated so that the power amount Pw is less than the threshold power Pth. Thereby, the user of the driving support device 100 can select to continue the operation of the electrolytic device 200 without replacing the ion exchange membrane 84 at the time tL2.
- the current calculation unit 55 calculates the magnitude of the current distributed to each of the plurality of electrolytic cells 90 so that the power amount Pw is less than the threshold power Pth.
- a current that maximizes the production amount Pa of P may be further calculated.
- the driving support device 100 ensures that the amount of power Pw consumed by the plurality of electrolytic cells 90 during the period T is less than the threshold power Pth, while maximizing the production amount Pa of the electrolytic device 200. Can assist driving.
- FIG. 17 is a diagram showing another example of the display mode of the display section 62 when the first condition Cd1 and the second condition Cd2 are selected.
- the option 63-2 is selected as the first condition Cd1
- the predetermined mass M1 is input to the specifying section 64-2.
- the option 63-3 may be selected as the first condition Cd1, and the predetermined mass M1 may be input to the designating section 64-3.
- the option 65-1 is selected as the second condition Cd2.
- Option 65-2 may be selected as the second condition Cd2.
- the current calculator 55 calculates the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution drawn out from the cathode chamber 98 or the O 2 contained in Cl 2 (chlorine) drawn out from the anode chamber 79.
- the mass of (oxygen) is less than a predetermined mass
- the current that maximizes the production amount Pa of the product P may be calculated.
- the current calculator 55 calculates the current that maximizes the production amount Pa when the mass of NaCl (sodium chloride) is less than the mass M1.
- Mass M1 is, for example, 40 g/L.
- the current calculator 55 maximizes the total production amount Pas of the product P when the mass of NaCl (sodium chloride) derived from all the cathode chambers 98 of the plurality of electrolytic cells 90 is less than the mass M1.
- the current to each electrolytic cell 90 may be calculated.
- the current calculation unit 55 maintains the magnitude of the total current supplied to the plurality of electrolytic cells 90, and calculates the magnitude of the current distributed to each of the plurality of electrolytic cells 90 as follows: It may be calculated so that the total production amount Pas is maximized.
- the current supply unit 56 may supply, to each of the plurality of electrolytic cells 90 , the current calculated by the current calculating unit 55 and having a magnitude distributed to each of the plurality of electrolytic cells 90 .
- the operation support device 100 can detect the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution drawn out from the cathode chamber 98 or the mass of Cl 2 (chlorine) drawn out from the anode chamber 79.
- the operation of the electrolytic device 200 can be assisted so that the production amount Pa is maximized while ensuring that the mass of O 2 (oxygen) contained is less than the predetermined mass M1.
- option 63-2 ie mass of NaCl (sodium chloride)
- option 65-4 ie mass of NaCl (sodium chloride)
- second condition Cd2 current calculation The portion 55 determines that the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution led out from the cathode chamber 98 is less than a predetermined mass M1, and the mass of the NaCl (sodium chloride) is A minimum current may be calculated.
- FIG. 18 is a diagram showing another example of the display mode of the display section 62 when the first condition Cd1 and the second condition Cd2 are selected.
- the option 65-3 is selected as the second condition Cd2. This example differs from the example shown in FIG. 17 in this respect.
- the current calculator 55 calculates the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution drawn out from the cathode chamber 98 or the O 2 contained in Cl 2 (chlorine) drawn out from the anode chamber 79.
- the mass of (oxygen) is less than a predetermined mass
- the current that minimizes the amount of power Pw (total amount of power Pws) consumed by the plurality of electrolytic cells 90 during the period T may be calculated. As in the case of FIG.
- the current calculation unit 55 maintains the magnitude of the total current supplied to the plurality of electrolytic cells 90, and calculates the magnitude of the current distributed to each of the plurality of electrolytic cells 90 as follows: It may be calculated so that the total electric energy Pws is minimized.
- FIG. 19 is a diagram showing an example of the relationship between the time t and the quality of the product P under the operating condition Cda and the optimum operating condition Cdb.
- the quality of the product P refers to the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution led out from the cathode chamber 98 or Cl 2 (chlorine ) is the mass of O 2 (oxygen) contained in .
- FIG. 19 is an example of the relationship between the time t and the quality of the product P when production of the product P is started at time t0.
- a threshold value for the quality of the product P is assumed to be a threshold value Qth.
- the threshold Qth is the maximum value of the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution led out from the cathode chamber 98, or Cl 2 (chlorine) led out from the anode chamber 79. is the maximum mass of O 2 (oxygen) contained in .
- time tL1' The time at which the quality of the product P reaches the threshold value Qth under the operating condition Cda is defined as time tL1'.
- time TL1' The time from time t0 to time tL1' is defined as time TL1.
- time tL2' The time at which the quality of the product P reaches the threshold value Qth under the optimum operating condition Cdb is defined as time tL2'.
- time TL2' The time from time t0 to time tL2' is defined as time TL2.
- the current calculator 55 maintains the total current supplied to the plurality of electrolytic cells 90,
- the magnitude of the current distributed to each of 90 is determined by the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution derived from the cathode chamber 98, or Cl 2 (sodium chloride) derived from the anode chamber 79.
- the mass of O 2 (oxygen) contained in chlorine) may be calculated so as to be less than the threshold Qth.
- the current calculator 55 calculates the magnitude of the current distributed to each of the plurality of electrolytic cells 90 based on the NaCl contained in the NaOH (sodium hydroxide) aqueous solution derived from the cathode chamber 98. (sodium chloride) or the mass of O 2 (oxygen) contained in Cl 2 (chlorine) led out from the anode chamber 79 is calculated to be less than the threshold value Qth, then the production amount of the product P The current that maximizes Pa may be further calculated.
- the operation support device 100 can detect the mass of NaCl (sodium chloride) contained in the NaOH (sodium hydroxide) aqueous solution drawn out from the cathode chamber 98 or the mass of Cl 2 (chlorine) drawn out from the anode chamber 79.
- the operation of the electrolytic device 200 can be supported so that the production amount Pa is maximized while ensuring that the mass of O 2 (oxygen) generated is less than the threshold value Qth.
- 11, 13 to 15, 17 and 18 are examples in which one first condition C1 is selected and one second condition C2 is selected. Multiple first conditions C1 may be selected, and multiple second conditions C2 may be selected.
- FIG. 20 is a schematic diagram showing an example of a method of deriving the optimum operating condition Cdb.
- the operating condition inference model 21 calculates the first condition Cd1, the second condition Cd2 and the measured value Optimal operating conditions Cdb for Me are output.
- the measured value Me is the measured value of the current supplied to each of the plurality of electrolytic cells 90 (see FIG.
- the measured value of the voltage supplied to each of the plurality of electrolytic cells 90, the measured value of the voltage supplied to each of the plurality of electrolytic cells 90 the concentration or mass of NaCl (sodium chloride) in the cathode chamber 98 of each of the plurality of electrolytic cells 90; the concentration or mass of O 2 (oxygen) in the anode chamber 79 of each of the plurality of electrolytic cells 90; At least one of the pH of NaOH (sodium hydroxide) aqueous solution in the cathode chamber 98 of each electrolytic cell 90 and the pH of NaCl (sodium chloride) aqueous solution in the anode chamber 79 of each of the plurality of electrolytic cells 90 good.
- the operating condition inference model 21 is generated by machine learning the first condition Cd1 (see FIG. 11 etc.), the second condition Cd2 (see FIG. 11 etc.), the measured value Me, and the optimum operating condition Cdb. you can
- the operating condition inference model 21 may be a regression equation.
- FIG. 21 is a diagram showing an example of the relationship between time t and cell voltage CV.
- FIG. 22 is a diagram showing an example of the relationship between time t and current efficiency CE.
- the current time be time tp.
- the performance of the ion exchange membrane 84 tends to deteriorate with the operating time of the electrolytic cell 90 (see FIGS. 1 and 2). Therefore, from the past to the current time tp, the cell voltage CV tends to increase and the current efficiency CE tends to decrease.
- the relationship between time t after time tp and cell voltage CV and the relationship between time t and current efficiency CE may be calculated based on the operating condition inference model 21 .
- the relationship between the calculated time t and cell voltage CV and the relationship between time t and current efficiency CE are indicated by dashed lines.
- FIG. 23 is a flow chart showing an example of a method for deriving the optimal operating condition Cdb.
- Step S100 is a measurement value Me acquisition step.
- the driving assistance device 100 may acquire the measured value Me.
- the measured value Me is the measured value of the current supplied to each of the plurality of electrolytic cells 90 (see FIG. 1), the measured value of the voltage supplied to each of the plurality of electrolytic cells 90, and the measured value of the voltage supplied to each of the plurality of electrolytic cells.
- the concentration or mass of NaCl (sodium chloride) in the cathode chamber 98 of each of the plurality of electrolytic cells 90 the concentration or mass of O 2 (oxygen) in the anode chamber 79 of each of the plurality of electrolytic cells 90, At least one of the pH of NaOH (sodium hydroxide) aqueous solution in each cathode chamber 98 of the plurality of electrolytic cells 90 and the pH of NaCl (sodium chloride) aqueous solution in each anode chamber 79 of the plurality of electrolytic cells 90 OK.
- Step S102 is a predicted value calculation step.
- the driving support device 100 may calculate the predicted value Mp based on the driving condition inference model 21 .
- the predicted value Mp is, for example, a value included in the dashed lines in FIGS. 21 and 22 .
- Step S104 is an operating condition Cda derivation step.
- the driving support device 100 may derive a driving condition that satisfies the first condition Cd ⁇ b>1 based on the driving condition inference model 21 .
- Step S106 is the optimal operating condition Cdb derivation step.
- the driving support device 100 may derive a driving condition that further satisfies the second condition Cd ⁇ b>2 based on the driving condition inference model 21 .
- Step S108 is a judgment step.
- the driving assistance device 100 determines whether the optimum operating condition Cdb derived in step S106 satisfies desired operating conditions (eg, first condition Cd1 and second condition Cd2). When it is determined that the desired driving condition is satisfied, the driving support device 100 ends the derivation of the optimum driving condition Cdb. When it is determined that the desired driving condition is not satisfied, the driving support device 100 returns to step S104 and derives the driving condition Cda again.
- desired operating conditions eg, first condition Cd1 and second condition Cd2
- FIG. 24 is a diagram showing an example of timing for updating the ion exchange membrane 84 (see FIG. 3) under the operating condition Cda and the optimum operating condition Cdb.
- the case of the operating condition Cda may be the operating condition before the optimum operating condition Cdb is derived by the operating condition inference model 21 .
- the optimum renewal times of the ion exchange membrane 84 are the electrolytic cells 90-1 to 90-6 in order of earliest.
- the magnitude of the current distributed to each of the plurality of electrolytic cells 90 can change compared to the case under the operating condition Cda.
- the optimum renewal timing of the ion exchange membrane 84 may change compared to the case of the operating condition Cda.
- the order of renewal of the electrolytic baths 90-2 to 90-5 is different from that under the operating condition Cda.
- FIG. 25 is a diagram showing an example of a flow when repeatedly executing the optimal operating condition Cdb derivation method shown in FIG.
- the optimal operating condition Cdb derivation method may be repeatedly executed at intervals of time Ti.
- the time Ti is, for example, one month.
- steps S200 to S204 the first to third optimal operating condition Cdb derivation methods are executed, respectively.
- the optimum operating condition Cdb derived in step S202 may differ in the current distributed to each of the plurality of electrolytic cells 90 (see FIG. 1) compared to the optimum operating condition Cdb in step S200.
- step S204 is assumed to be the timing of time t2 shown in FIG. 6 (the timing at which the ion exchange membrane 84 can be updated and the cost C is minimized).
- the optimum operating conditions Cdb may be derived after the ion exchange membrane 84 is updated.
- step S210 even if the optimal operating condition Cdb is derived, it is assumed that the optimal operating condition Cdb still does not satisfy the desired operating condition.
- the optimum operating conditions Cdb may be derived after cathode 82 and anode 80 are updated.
- FIG. 26 is a flow chart showing an example of a driving assistance method according to one embodiment of the present invention.
- a driving assistance method according to one embodiment of the present invention is a driving assistance method for assisting the operation of an electrolytic device 200 (see FIG. 1).
- the production volume acquisition unit 10 obtains a target production volume of the product P to be produced in a predetermined period T by one or a plurality of electrolytic cells 90 (see FIG. 1). It is the step of obtaining Pg (see FIG. 6).
- the production volume calculation unit 20 calculates the maximum production volume Pm (the production volume Pm2 in FIG. 6) of the product P produced in a predetermined period T by one or more electrolytic cells 90. It is a step to The maximum production amount Pm is the maximum production amount of the product P when the ion exchange membrane 84 (see FIG. 3) is renewed.
- production volume calculation step S302 may be performed after the production volume acquisition step S300 or before the production volume acquisition step S300.
- the production volume calculation step S302 may be performed simultaneously with the production volume acquisition step S300.
- the period specifying step S318 is a step in which the period specifying unit 30 (see FIG. 5) specifies a period during which the maximum production volume Pm is equal to or greater than the target production volume Pg.
- the period specifying unit 30 specifies a period during which the maximum production amount Pm is equal to or greater than the target production amount Pg. Therefore, the user of the driving assistance method can know the period T during which the ion exchange membrane 84 can be updated.
- FIG. 27 is a flow chart showing an example of a driving assistance method according to one embodiment of the present invention.
- the driving assistance method of this example differs from the driving assistance method shown in FIG. 26 in that it further includes steps S304 to S316.
- the cost calculation step S304 is a step in which the cost calculation unit 50 (see FIG. 5) calculates the cost of operating one or more electrolytic cells 90 (see FIG. 1).
- the deterioration rate obtaining step S306 is a step in which the deterioration rate obtaining unit 53 (see FIG. 9) obtains the deterioration rate of the ion exchange membrane 84 (see FIG. 3) in each of the plurality of electrolytic cells 90.
- the current calculation unit 55 maximizes the total production amount Pas of the products P produced in the period T by the plurality of electrolytic cells 90 (see FIG. 1)
- the total amount of electric power Pws consumed by the electrolytic cell 90 during the period T is minimized, or the aqueous solution of the alkali metal chloride introduced into the anode chamber 79 and the alkali metal hydroxide discharged from the cathode chamber 98 or the mass of O 2 (oxygen) contained in Cl 2 (chlorine) led out from the anode chamber 79 is minimized.
- the current supply step S312 is a step in which the current supply unit 56 (see FIG. 9) supplies the current calculated in the current calculation step S310 to each of the plurality of electrolytic cells 90 (see FIG. 1).
- the power amount acquisition step S314 is a step in which the power amount acquisition unit 51 (see FIG. 9) acquires the power amount Pw for producing the product P by each of the plurality of electrolytic cells 90 (see FIG. 1).
- the electrolytic cell identification step S ⁇ b>316 is a step in which the electrolytic cell identification unit 52 (see FIG. 9 ) identifies the electrolytic cell 90 having the maximum power amount Pw among the plurality of electrolytic cells 90 .
- the period identification unit 30 may identify the timing (time t2 in FIG. 6) at which the cost C calculated in the cost calculation step S304 is the minimum during the period T. Thereby, the user of the driving assistance method can know the period T during which the ion exchange membrane 84 (see FIG. 3) can be updated and the time t2 during which the cost C becomes the minimum.
- the electrolytic cell identification unit 52 (see FIG. 9) identifies the electrolytic cell 90 having the largest electric energy Pw among the plurality of electrolytic cells 90.
- the user of the driving assistance method can know the electrolytic cell 90 (see FIG. 1) in which the ion exchange membrane 84 (see FIG. 3) is preferably renewed.
- the user of the driving assistance method can know the period T during which the ion exchange membrane 84 can be updated.
- the user of the driving support method can update the ion exchange membrane 84 during the period T.
- FIG. 28 is a diagram showing an example of a driving assistance system 300 according to one embodiment of the present invention.
- the driving support system 300 includes a driving support device 100 and one or more electrolytic baths 90 (electrolytic baths 90-1 to 90-M in this example).
- the range of the driving support device 100 is indicated by a coarse broken line
- the range of the driving support system 300 is indicated by a fine broken line.
- a block may represent (1) a stage of a process in which an operation is performed or (2) a section of equipment responsible for performing the operation.
- Certain steps may be performed by dedicated circuits, programmable circuits or processors. Certain sections may be implemented by dedicated circuitry, programmable circuitry or processors. The programmable circuit and the processor may be supplied with computer readable instructions. The computer readable instructions may be stored on a computer readable medium.
- a dedicated circuit may include at least one of a digital hardware circuit and an analog hardware circuit.
- Dedicated circuitry may include integrated circuits (ICs) and/or discrete circuits.
- Programmable circuits may include hardware circuits for logical AND, logical OR, logical XOR, logical NAND, logical NOR, or other logical operations.
- Programmable circuits may include reconfigurable hardware circuits, including flip-flops, registers, memory elements such as field programmable gate arrays (FPGAs), programmable logic arrays (PLAs), and the like.
- a computer-readable medium may include any tangible device capable of storing instructions to be executed by a suitable device. By including the tangible device, the computer readable medium having instructions stored on the device can be executed to create means for performing the operations specified in the flowcharts or block diagrams. will have a product, including:
- a computer-readable medium may be, for example, an electronic storage medium, a magnetic storage medium, an optical storage medium, an electromagnetic storage medium, a semiconductor storage medium, or the like.
- the computer readable medium is more particularly e.g. Electrically Erasable Programmable Read Only Memory (EEPROM), Static Random Access Memory (SRAM), Compact Disc Read Only Memory (CD-ROM), Digital Versatile Disc (DVD), Blu-ray (RTM) Disc, Memory Stick, Integration It may be a circuit card or the like.
- EEPROM Electrically Erasable Programmable Read Only Memory
- SRAM Static Random Access Memory
- CD-ROM Compact Disc Read Only Memory
- DVD Digital Versatile Disc
- RTM Blu-ray
- Memory Stick Integration It may be a circuit card or the like.
- Computer readable instructions may include any of assembler instructions, Instruction Set Architecture (ISA) instructions, machine instructions, machine dependent instructions, microcode, firmware instructions, state setting data, source code and object code.
- the source code and the object code may be written in any combination of one or more programming languages, including object-oriented programming languages and traditional procedural programming languages.
- Object-oriented programming languages may be, for example, Smalltalk®, JAVA®, C++, and the like.
- the procedural programming language may be, for example, the "C" programming language.
- Computer readable instructions may be transferred to a processor or programmable circuitry of a general purpose computer, special purpose computer, or other programmable data processing apparatus, either locally or over a wide area network (WAN), such as a local area network (LAN), the Internet, or the like. ) may be provided via A processor or programmable circuitry of a general purpose computer, special purpose computer, or other programmable data processing apparatus performs the operations specified in the flow charts shown in FIGS. 11-13 or the block diagram shown in FIG.
- the computer readable instructions may be executed to create means for doing.
- a processor may be, for example, a computer processor, processing unit, microprocessor, digital signal processor, controller, microcontroller, or the like.
- FIG. 29 is a diagram showing an example of a computer 2200 in which the driving assistance device 100 according to the embodiment of the invention may be wholly or partially embodied.
- the programs installed on the computer 2200 may cause the computer 2200 to function as operations or one or more sections of the driving assistance device 100 associated with the driving assistance device 100 according to embodiments of the present invention, or The one or more sections can be executed, or the computer 2200 can be caused to execute the steps (see FIGS. 23, 25-27) of the driving assistance method of the present invention.
- the program causes the computer 2200 to associate some or all of the blocks in the flowcharts (FIGS. 23, 25-27) and block diagrams (FIGS. 5, 7-9) described herein. may be executed by the CPU 2212 to cause the specified operation to be performed.
- a computer 2200 includes a CPU 2212 , a RAM 2214 , a graphics controller 2216 and a display device 2218 .
- CPU 2212 , RAM 2214 , graphics controller 2216 and display device 2218 are interconnected by host controller 2210 .
- Computer 2200 further includes input/output units such as communication interface 2222, hard disk drive 2224, DVD-ROM drive 2226 and IC card drive.
- Communication interface 2222 , hard disk drive 2224 , DVD-ROM drive 2226 , IC card drive, etc. are connected to host controller 2210 via input/output controller 2220 .
- the computer further includes legacy input/output units such as ROM 2230 and keyboard 2242 .
- ROM 2230 , keyboard 2242 , etc. are connected to input/output controller 2220 via input/output chip 2240 .
- the CPU 2212 controls each unit by operating according to programs stored in the ROM 2230 and RAM 2214.
- Graphics controller 2216 causes the image data to be displayed on display device 2218 by retrieving image data generated by CPU 2212 into RAM 2214 , such as a frame buffer provided in RAM 2214 .
- a communication interface 2222 communicates with other electronic devices via a network.
- Hard disk drive 2224 stores programs and data used by CPU 2212 within computer 2200 .
- DVD-ROM drive 2226 reads programs or data from DVD-ROM 2201 and provides the read programs or data to hard disk drive 2224 via RAM 2214 .
- the IC card drive reads programs and data from IC cards or writes programs and data to IC cards.
- the ROM 2230 stores a boot program or the like executed by the computer 2200 upon activation, or a program dependent on the hardware of the computer 2200.
- Input/output chip 2240 may connect various input/output units to input/output controller 2220 via parallel ports, serial ports, keyboard ports, mouse ports, and the like.
- a program is provided by a computer-readable medium such as a DVD-ROM 2201 or an IC card.
- the program is read from a computer-readable medium, installed in hard disk drive 2224 , RAM 2214 , or ROM 2230 , which are also examples of computer-readable medium, and executed by CPU 2212 .
- the information processing described within these programs is read by computer 2200 to provide coordination between the programs and the various types of hardware resources described above.
- An apparatus or method may be configured by implementing information manipulation or processing in accordance with the use of computer 2200 .
- the CPU 2212 executes a communication program loaded into the RAM 2214 and sends communication processing to the communication interface 2222 based on the processing described in the communication program. you can command.
- the communication interface 2222 reads transmission data stored in a transmission buffer processing area provided in a recording medium such as the RAM 2214, the hard disk drive 2224, the DVD-ROM 2201, or an IC card, and outputs the read transmission data. to the network, or writes received data received from the network to a receive buffer processing area or the like provided on the recording medium.
- the CPU 2212 may cause the RAM 2214 to read all or necessary portions of files or databases stored in external recording media such as the hard disk drive 2224, DVD-ROM drive 2226 (DVD-ROM 2201), and IC card.
- CPU 2212 may perform various types of operations on data in RAM 2214 .
- CPU 2212 may then write back the processed data to an external recording medium.
- CPU 2212 may perform various types of manipulation, information processing, conditional judgment, conditional branching, unconditional branching, information retrieval or Various types of processing may be performed, including permutations and the like.
- CPU 2212 may write results back to RAM 2214 .
- the CPU 2212 may search for information in files, databases, etc. in the recording medium. For example, if a plurality of entries each having an attribute value of a first attribute associated with an attribute value of a second attribute are stored in the recording medium, the CPU 2212 determines that the attribute value of the first attribute is specified. search the plurality of entries for an entry that matches the condition, read the attribute value of the second attribute stored in the entry, and read the second attribute value to obtain the predetermined condition An attribute value of a second attribute associated with a first attribute that satisfies may be obtained.
- the programs or software modules described above may be stored on the computer 2200 or in a computer-readable medium of the computer 2200 .
- a storage medium such as a hard disk or RAM provided in a server system connected to a private communication network or the Internet can be used as the computer readable medium.
- the program may be provided to computer 2200 by the recording medium.
- Production volume acquisition unit 20 Production volume calculation unit 21
- Operating condition inference model 30 Period identification unit 40
- Control unit 50 Cost calculation unit 51...Electric energy acquisition unit 52...Electrolytic bath identification unit 53...Degradation rate acquisition unit 54...pH acquisition unit 55
- Current calculation unit 56 ...Current supply unit , 60... input unit, 62... display unit, 63... options, 64... designation unit, 65... options, 66... first selection unit, 67... second selection part, 70... liquid, 71... cation, 72... liquid, 73... liquid, 74... liquid, 75... liquid, 76... liquid, 77... gas , 78... gas, 79... anode chamber, 80... anode, 82... cathode, 84... ion exchange membrane, 86...
- anion group 90... electrolytic cell, 91 ... electrolysis cell, 92 ... introduction tube, 93 ... introduction tube, 94 ... extraction tube, 95 ... extraction tube, 98 ... cathode chamber, 100 ... driving support device, 200 ... electrolytic device 2200 ... computer 2201 ... DVD-ROM 2210 ... host controller 2212 ... CPU 2214 ... RAM 2216 ... graphic controller 2218 ... Display device 2220 Input/output controller 2222 Communication interface 2224 Hard disk drive 2226 DVD-ROM drive 2230 ROM 2240 Input/output chip 2242 ⁇ keyboard
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Automation & Control Theory (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
Description
[先行技術文献]
[特許文献]
[特許文献1] 特開2019-19408号公報
[化学式1]
2Cl-→Cl2+2e-
[化学式2]
2H2O+2e-→H2+2OH-
Claims (18)
- 1または複数の電解槽により、予め定められた期間に生産される生産物の目標生産量を取得する生産量取得部と、
前記1または複数の電解槽が有するイオン交換膜が更新された場合における前記生産物の最大生産量であって、前記1または複数の電解槽により前記期間に生産される前記生産物の最大生産量を算出する生産量算出部と、
前記最大生産量が前記目標生産量以上となる前記期間を特定する期間特定部と、
を備える運転支援装置。 - 前記1または複数の電解槽の稼働に係るコストを算出するコスト算出部をさらに備え、
前記期間特定部は、前記最大生産量が前記目標生産量以上となる期間のうち、前記コストが最小となるタイミングをさらに特定する、
請求項1に記載の運転支援装置。 - 前記複数の電解槽は、それぞれ前記イオン交換膜により仕切られた陽極室および陰極室を有し、
前記陽極室にはアルカリ金属の塩化物の水溶液が導入され前記陰極室からはアルカリ金属の水酸化物の水溶液が導出され、
前記複数の電解槽のそれぞれに供給する電流であって、前記複数の電解槽により前記期間に生産される前記生産物の生産量が最大となるか、前記複数の電解槽により前記期間に消費される電力量が最小となるか、前記陽極室に導入されたアルカリ金属の塩化物であって前記陰極室から導出される前記アルカリ金属の水酸化物の水溶液に含まれるアルカリ金属の塩化物の質量が最小となるか、または、前記陽極室から導出される塩素に含まれる酸素の質量が最小となる電流を算出する電流算出部と、
前記電流算出部により算出された電流を、前記複数の電解槽のそれぞれに供給する電流供給部と、
をさらに備える、請求項1または2に記載の運転支援装置。 - 前記複数の電解槽のそれぞれが、前記生産物を生産する電力量を取得する電力量取得部をさらに備え、
前記電流算出部は、前記電力量が予め定められた電力量未満である場合に、前記生産物の生産量が最大となるか、または、前記アルカリ金属の塩化物の質量または前記酸素の質量が最小となる電流を算出する、請求項3に記載の運転支援装置。 - 前記複数の電解槽のうち、前記電力量が最大である電解槽を特定する電解槽特定部をさらに備える、請求項4に記載の運転支援装置。
- 前記電力量取得部は、前記複数の電解槽における合計の前記電力量を取得し、
前記電解槽特定部は、前記期間における合計の前記電力量が最小である場合において、前記電力量が最大である電解槽を特定する、
請求項5に記載の運転支援装置。 - 前記複数の電解槽のうち、前記電解槽の電流効率が最も低い電解槽を特定する電解槽特定部をさらに備える、請求項3または4に記載の運転支援装置。
- 前記電流算出部は、前記アルカリ金属の塩化物の質量または前記酸素の質量が予め定められた濃度未満である場合に、前記生産物の生産量が最大となるか、または、前記電力量が最小となる電流を算出する、請求項3に記載の運転支援装置。
- 前記電流算出部は、前記複数の電解槽による、前記期間における前記生産物の総生産量が最大となる、前記複数の電解槽のそれぞれへの電流を算出する、請求項3または8に記載の運転支援装置。
- 電解槽特定部をさらに備え、
前記生産量取得部は、前記複数の電解槽のそれぞれにより前記期間に生産される前記生産物の生産量をさらに取得し、
前記生産量算出部は、前記複数の電解槽のそれぞれにより前記期間に生産される前記生産物の生産量をさらに算出し、
前記電解槽特定部は、前記生産量取得部により取得された前記生産物の生産量と、前記生産量算出部により算出された前記生産物の生産量とに基づいて、前記複数の電解槽のうち前記イオン交換膜を更新する電解槽を特定する、
請求項3、8および9のいずれか一項に記載の運転支援装置。 - 前記電解槽特定部は、前記複数の電解槽のうち、前記生産量取得部により取得された前記生産物の生産量が最小である電解槽を特定する、請求項10に記載の運転支援装置。
- 前記陽極室からはアルカリ金属の塩化物の水溶液が導出され、
前記陽極室に導入される前記アルカリ金属の塩化物の水溶液のpHおよび前記陽極室から導出される前記アルカリ金属の塩化物の水溶液のpHを取得するpH取得部をさらに備え、
前記電解槽特定部は、前記pH取得部により取得された前記アルカリ金属の塩化物の水溶液のpHに基づいて、前記複数の電解槽のうち前記イオン交換膜を更新する電解槽を特定する、
請求項5から7、10および11のいずれか一項に記載の運転支援装置。 - 前記複数の電解槽のそれぞれにおける前記イオン交換膜の劣化速度を取得する劣化速度取得部をさらに備え、
前記電解槽特定部は、前記イオン交換膜の劣化速度に基づいて、前記複数の電解槽のうち前記イオン交換膜を更新する電解槽を特定する、
請求項5から7および10から12のいずれか一項に記載の運転支援装置。 - 前記複数の電解槽のそれぞれにおける前記イオン交換膜のうち、一のイオン交換膜の劣化速度が予め定められた劣化速度以上である場合、前記電解槽特定部は、前記一のイオン交換膜を有する前記電解槽を特定する、請求項13に記載の運転支援装置。
- 前記生産量算出部は、前記電解槽特定部により特定された前記一のイオン交換膜が更新された場合における、前記生産物の最大生産量をさらに算出し、
前記期間特定部は、前記最大生産量が前記目標生産量以上となる期間をさらに特定する、
請求項14に記載の運転支援装置。 - 請求項1から15のいずれか一項に記載の運転支援装置と、前記1または複数の電解槽とを備える運転支援システム。
- 生産量取得部が、1または複数の電解槽により予め定められた期間に生産される生産物の目標生産量を取得する生産量取得ステップと、
生産量算出部が、前記1または複数の電解槽が有するイオン交換膜が更新された場合における前記生産物の最大生産量であって、前記1または複数の電解槽により前記期間に生産される前記生産物の最大生産量を算出する最大生産量算出ステップと、
期間特定部が、前記予め定められた期間のうち、前記最大生産量が前記目標生産量以上となる期間を特定する期間特定ステップと、
を備える運転支援方法。 - コンピュータに、
1または複数の電解槽により、予め定められた期間に生産される生産物の目標生産量を取得する生産量取得機能と、
前記1または複数の電解槽が有するイオン交換膜が更新された場合における前記生産物の最大生産量であって、前記1または複数の電解槽により前記期間に生産される前記生産物の最大生産量を算出する生産量算出機能と、
前記最大生産量が前記目標生産量以上となる前記期間を特定する期間特定機能と、
を実行させるための運転支援プログラム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22767039.5A EP4307062A4 (en) | 2021-03-08 | 2022-03-04 | DRIVING ASSISTANCE DEVICE, DRIVING ASSISTANCE SYSTEM, DRIVING ASSISTANCE METHOD AND DRIVING ASSISTANCE PROGRAM |
JP2023505511A JP7541612B2 (ja) | 2021-03-08 | 2022-03-04 | 運転支援装置、運転支援システム、運転支援方法および運転支援プログラム |
KR1020237030088A KR20230142574A (ko) | 2021-03-08 | 2022-03-04 | 운전 지원 장치, 운전 지원 시스템, 운전 지원 방법 및 운전 지원 프로그램 |
CN202280017163.3A CN116981798A (zh) | 2021-03-08 | 2022-03-04 | 运转支援装置、运转支援系统、运转支援方法和运转支援程序 |
US18/450,422 US20230392271A1 (en) | 2021-03-08 | 2023-08-16 | Operation assistance apparatus, operation assistance system, operation assistance method, and computer readable medium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021036110 | 2021-03-08 | ||
JP2021-036110 | 2021-03-08 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/450,422 Continuation US20230392271A1 (en) | 2021-03-08 | 2023-08-16 | Operation assistance apparatus, operation assistance system, operation assistance method, and computer readable medium |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022191082A1 true WO2022191082A1 (ja) | 2022-09-15 |
Family
ID=83227933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/009510 WO2022191082A1 (ja) | 2021-03-08 | 2022-03-04 | 運転支援装置、運転支援システム、運転支援方法および運転支援プログラム |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230392271A1 (ja) |
EP (1) | EP4307062A4 (ja) |
JP (1) | JP7541612B2 (ja) |
KR (1) | KR20230142574A (ja) |
CN (1) | CN116981798A (ja) |
WO (1) | WO2022191082A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7202501B1 (ja) | 2022-09-29 | 2023-01-11 | 旭化成株式会社 | 運転支援装置、運転支援方法および運転支援プログラム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001061074A1 (fr) * | 2000-02-17 | 2001-08-23 | Shinko Plant Construction Co., Ltd. | Procede et dispositif de production d'eau ozonee par electrolyse et procede de regeneration de membrane d'electrolyte a polymere solide |
JP2013061819A (ja) * | 2011-09-14 | 2013-04-04 | Hitachi Ltd | 保守計画システム、保守計画システムサーバ、及び保守計画システムクライアント端末 |
JP2018181881A (ja) * | 2017-04-03 | 2018-11-15 | 株式会社Screenホールディングス | 基板処理システム、基板処理システムの制御方法およびプログラム |
JP2019019408A (ja) | 2017-07-14 | 2019-02-07 | 旭化成株式会社 | 電解槽用ガスケット及び電解槽 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111095341A (zh) * | 2017-09-25 | 2020-05-01 | 旭化成株式会社 | 计划装置、运行计划的生成方法、氢制造方法及程序 |
CN111926343A (zh) * | 2020-07-29 | 2020-11-13 | 上海浦辰信息科技有限公司 | 一种离子膜电解槽最佳运行周期的确定方法 |
-
2022
- 2022-03-04 JP JP2023505511A patent/JP7541612B2/ja active Active
- 2022-03-04 EP EP22767039.5A patent/EP4307062A4/en active Pending
- 2022-03-04 KR KR1020237030088A patent/KR20230142574A/ko unknown
- 2022-03-04 WO PCT/JP2022/009510 patent/WO2022191082A1/ja active Application Filing
- 2022-03-04 CN CN202280017163.3A patent/CN116981798A/zh active Pending
-
2023
- 2023-08-16 US US18/450,422 patent/US20230392271A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001061074A1 (fr) * | 2000-02-17 | 2001-08-23 | Shinko Plant Construction Co., Ltd. | Procede et dispositif de production d'eau ozonee par electrolyse et procede de regeneration de membrane d'electrolyte a polymere solide |
JP2013061819A (ja) * | 2011-09-14 | 2013-04-04 | Hitachi Ltd | 保守計画システム、保守計画システムサーバ、及び保守計画システムクライアント端末 |
JP2018181881A (ja) * | 2017-04-03 | 2018-11-15 | 株式会社Screenホールディングス | 基板処理システム、基板処理システムの制御方法およびプログラム |
JP2019019408A (ja) | 2017-07-14 | 2019-02-07 | 旭化成株式会社 | 電解槽用ガスケット及び電解槽 |
Non-Patent Citations (1)
Title |
---|
See also references of EP4307062A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7202501B1 (ja) | 2022-09-29 | 2023-01-11 | 旭化成株式会社 | 運転支援装置、運転支援方法および運転支援プログラム |
JP2024049729A (ja) * | 2022-09-29 | 2024-04-10 | 旭化成株式会社 | 運転支援装置、運転支援方法および運転支援プログラム |
Also Published As
Publication number | Publication date |
---|---|
US20230392271A1 (en) | 2023-12-07 |
EP4307062A4 (en) | 2024-07-10 |
JPWO2022191082A1 (ja) | 2022-09-15 |
EP4307062A1 (en) | 2024-01-17 |
KR20230142574A (ko) | 2023-10-11 |
JP7541612B2 (ja) | 2024-08-28 |
CN116981798A (zh) | 2023-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2022191082A1 (ja) | 運転支援装置、運転支援システム、運転支援方法および運転支援プログラム | |
US20210216974A1 (en) | Planning device, planning method, and recording medium | |
WO2024014438A1 (ja) | 運転支援装置、運転支援方法および運転支援プログラム | |
JP7182025B1 (ja) | 運転支援装置、運転支援方法および運転支援プログラム | |
WO2023085419A1 (ja) | 運転支援装置、運転支援方法および運転支援プログラム | |
JP7202501B1 (ja) | 運転支援装置、運転支援方法および運転支援プログラム | |
WO2023182286A1 (ja) | 運転支援装置、運転支援方法、運転支援システムおよび運転支援プログラム | |
JP2007224328A (ja) | アルカリエッチング液のアルカリ回収方法 | |
JP2003293180A (ja) | 電解槽及び電解方法 | |
WO2022250134A1 (ja) | 運転支援装置、運転支援システム、運転支援方法および運転支援プログラム | |
IL98516A (en) | Alkali metal hydroxide generation system and the method therefor | |
EP4372127A1 (en) | Analysis system, analysis method, and analysis program | |
WO2010118533A1 (en) | Method and system for electrolyser single cell current efficiency | |
JP2003293178A (ja) | 水処理薬剤の製造法 | |
Liang et al. | The influence of dissolved gas supersaturation on bubble detachment from planar (photo) electrodes | |
JP7571197B1 (ja) | 水素ガス製造システム及び水素ガス製造方法 | |
Jackson et al. | Harnessing electrochemistry | |
Mahon et al. | Development of a fully dynamic simulation of a Zinc electrowinning tankhouse | |
Goodridge | Some aspects of electrochemical engineering | |
Znamenskii et al. | Electrochemical regeneration of sodium hypochlorite in the absorption-oxidation method of desorbing waste gases | |
Kundu | Corrosion control of electrolyzer, anolyte tank and dechlorination tower tank of a chlor-alkali plant by an innovative method | |
Rajkumar et al. | Solid state mathematical simulation of current density-optimum investigation values in Zinc Electrowinning Cell operations | |
JP2013121561A (ja) | 強電解水の生成方法及び装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22767039 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2023505511 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202280017163.3 Country of ref document: CN |
|
ENP | Entry into the national phase |
Ref document number: 20237030088 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020237030088 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022767039 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022767039 Country of ref document: EP Effective date: 20231009 |