CN110182915A - A kind of analogy method of method and wastewater treatment process based on solar energy Organic Rankine Cycle processing waste water - Google Patents
A kind of analogy method of method and wastewater treatment process based on solar energy Organic Rankine Cycle processing waste water Download PDFInfo
- Publication number
- CN110182915A CN110182915A CN201910397371.0A CN201910397371A CN110182915A CN 110182915 A CN110182915 A CN 110182915A CN 201910397371 A CN201910397371 A CN 201910397371A CN 110182915 A CN110182915 A CN 110182915A
- Authority
- CN
- China
- Prior art keywords
- waste water
- bipolar membrane
- working medium
- solar energy
- rankine cycle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 86
- 239000002351 wastewater Substances 0.000 title claims abstract description 54
- 230000008569 process Effects 0.000 title claims abstract description 31
- 238000012545 processing Methods 0.000 title claims abstract description 25
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 15
- 239000012528 membrane Substances 0.000 claims abstract description 60
- 238000000909 electrodialysis Methods 0.000 claims abstract description 59
- 241000183024 Populus tremula Species 0.000 claims abstract description 26
- 239000012267 brine Substances 0.000 claims abstract description 17
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 17
- 239000002699 waste material Substances 0.000 claims abstract description 17
- 238000004088 simulation Methods 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 52
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 14
- 241000196324 Embryophyta Species 0.000 claims description 12
- 238000005265 energy consumption Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 238000005341 cation exchange Methods 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 230000000704 physical effect Effects 0.000 claims description 5
- 238000010248 power generation Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 238000005349 anion exchange Methods 0.000 claims description 3
- 235000008434 ginseng Nutrition 0.000 claims description 3
- 230000003252 repetitive effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims 1
- 238000003795 desorption Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 150000007516 brønsted-lowry acids Chemical class 0.000 abstract description 4
- 150000007528 brønsted-lowry bases Chemical class 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 24
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 17
- 229910052938 sodium sulfate Inorganic materials 0.000 description 9
- 235000011152 sodium sulphate Nutrition 0.000 description 9
- 239000007789 gas Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003011 anion exchange membrane Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000009989 Posterior Leukoencephalopathy Syndrome Diseases 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- PANBYUAFMMOFOV-UHFFFAOYSA-N sodium;sulfuric acid Chemical compound [Na].OS(O)(=O)=O PANBYUAFMMOFOV-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/422—Electrodialysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/46—Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4693—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis electrodialysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/009—Apparatus with independent power supply, e.g. solar cells, windpower, fuel cells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
- Y02A20/212—Solar-powered wastewater sewage treatment, e.g. spray evaporation
Abstract
It is using the electric energy of solar energy Organic Rankine Cycle generation as the power supply processing brine waste of bipolar membrane electrodialysis technology the present invention provides a kind of method based on solar energy Organic Rankine Cycle processing waste water and the analogy method of wastewater treatment process, the method for the processing waste water；Solar energy is not only utilized in the method for processing waste water of the present invention, but also has handled waste water, while generating the bronsted lowry acids and bases bronsted lowry for other techniques, and the recycling of waste water is realized from the sustainable angle of green；In addition, the present invention also provides a kind of analogy methods of wastewater treatment process, the analogy method is the user model extension mouth provided by Aspen plus, the customized device reaction model in Excel template, the process of bipolar membrane electrodialysis treatment waste water is simulated, it realizes test to combine with simulation, so as to fast, accurately carry out real-time analog simulation.
Description
[technical field]
The present invention relates to technical field of waste water processing, and in particular to one kind handles waste water based on solar energy Organic Rankine Cycle
Method and wastewater treatment process analogy method.
[background technique]
High-salt wastewater refers to the waste water of total saliferous mass fraction at least 1%, mainly from chemical plant and petroleum and naturally
Acquisition processing of gas etc., the way of production of brine waste is extensive, and water also increases year by year, therefore, introduces new technology and handles saliferous
Waste water is of great significance.
Processing for brine waste, it is common to use be physical method and chemical method.Such as multiple-effect evaporation (MEE), electrodialysis
(ED) etc. ionic liquid and the improved method of these methods, such as low-temperature multi-effect evaporation, multi-effect flashing steam, is used for electrodialysis,
Positive infiltration, reverse osmosis and electrodialytic combination etc., but above method salt rejection rate is low, energy consumption is high, it is difficult to realize green high-efficient
Desalting effect.Bipolar membrane electrodialysis has been widely used at present as a kind of method for treating water, but electrodialytic water is handled
Device is using electric field as driving force, and when operation must have convenient and sufficient power supply.
Organic Rankine Cycle can convert low grade heat energy (generally below 200 DEG C, such as solar energy, industrial exhaust heat) to
Electric energy is mainly used in low-temperature electricity-generating field, and using low-boiling-point organic compound as working medium, organic working medium is in heat exchanger from residual heat stream
Absorb heat, generate the steam of tool certain pressure and temperature, steam enters turbomachinery expansion work, thus drive generator or
Drag other dynamic power machines.The steam being discharged from turbine, to cooling water heat release, condenses into liquid, finally by work in condenser
Matter pump comes back to heat exchanger, and so constantly circulation is gone down.
As a simulation softward strictly calculated for technique, Aspen Plus can be for different material charging, work
Skill condition, user model realize the energy use and production operation situation for quickly obtaining equipment or technique under different operating conditions.By
In bipolar membrane electrodialysis device structure is complicated multiplicity, so the module that do not fixed in existing chemical process simulation software
Template simulates its process, monitors in real time, needs in order to the process to bipolar membrane electrodialysis treatment waste water
Suitable module is established in Aspen plus, to reach section by the adjusting and optimizing to manufacturing parameter and to the transformation of technique
It can lower consumption, the purpose of raising productivity effect.
[summary of the invention]
The object of the present invention is to provide at a kind of method based on solar energy Organic Rankine Cycle processing waste water and waste water
The method of the analogy method of reason process, the processing waste water is by solar energy Organic Rankine Cycle technology and bipolar membrane electrodialysis skill
Art combines processing brine waste, not only can solve the power consumption problem of bipolar membrane electrodialysis treatment waste water, but also can give up realizing
The bronsted lowry acids and bases bronsted lowry for being used for other techniques is generated on the basis of water desalination, and the recycling of waste water is realized from the sustainable angle of green；
The analogy method is the user model extension mouth provided by Aspen plus, the customized device reaction in Excel template
Model simulates the process of bipolar membrane electrodialysis treatment waste water.
The present invention adopts the following technical scheme: a kind of method based on solar energy Organic Rankine Cycle processing waste water, described
Method realizes that described device includes solar energy system, organic rankine cycle system and bipolar membrane electrodialysis dependent on following device
System；
The solar energy system includes solar heat-collection plate, and the solar heat-collection plate is connect with insulated water tank；
The organic rankine cycle system includes organic working fluid heat exchanger, and the organic working medium heat exchanger is sequentially connected preheating
Device, evaporator, superheater, turbine and generator, the organic working medium heat exchanger pass through the connection condensation of organic working medium circulating pump
Device, the insulated water tank are connect with superheater, and solar heat-collection plate is connect with preheater, and the water outlet of the condenser passes through stream
Body delivery pump is connect with bipolar membrane electrodialysis system, and the generator is connect by transformer with bipolar membrane electrodialysis system；
The bipolar membrane electrodialysis system is Bipolar Membrane-anion-exchange membrane-cation-exchange membrane-Bipolar Membrane, i.e. three Room
System.
Described method includes following steps:
(1) water thermal-arrest under the action of solar heat-collection plate generates hot water storage in insulated water tank；
(2) hot water in step (1) described insulated water tank is as heat source, the preheated device of convection current, evaporator and superheater
Organic working medium heating, organic working medium are finally heated to overheated gas state；Solar energy is returned with the water flow after organic working medium heat exchange
Collecting plate continues thermal-arrest, is then stored in insulated water tank；
(3) organic working medium that overheated gas state is heated to described in step (2) enters turbine and carries out expansion work
It drives electrical power generators and exports electric energy；
(4) brine waste is passed through condenser as condensing agent, the organic working medium after power generation return to organic working medium heat exchanger into
Row heat exchange, be then cooled to by condenser with brine waste it is liquid, then into organic after the pressurization of organic working medium circulating pump
In working fluid heat exchanger, then repeat the above steps；
(5) brine waste flowed out from condenser is passed through the salt room of electrodialysis plant by fluid delivery pump, and pure water is divided
It is not passed through acid compartment and alkaline chamber, the electric energy of step (3) output directly acts on electrodialysis plant by transformer, sets as electrodialysis
Standby power drives electrodialysis plant carries out wastewater treatment.
Preferably, the solar heat-collection plate is Flat plate heat collecting plate, is 30 degree with ground inclination angle.
Preferably, the effective surface area of each amberplex of the bipolar membrane electrodialysis system is 200cm2, film room
Width is about 3mm, including ten repetitive units.
Preferably, the hot water temperature in insulated water tank described in step (1) is 100~120 DEG C.
Preferably, organic working medium described in step (2) is pentane, and boiling point is 36 DEG C.
Preferably, it is 15V's that the electric energy of the output of Organic Rankine Cycle described in step (5), which is converted into voltage by transformer,
Powered by direct current electrodialysis equipment uses.
The present invention also provides a kind of analogy method of wastewater treatment process, the analogy method is by Aspen plus
The user model of offer extends mouth, the customized device reaction model in Excel template, to bipolar membrane electrodialysis treatment waste water
Process is simulated；Specifically comprise the following steps:
(1) basic flow chart of bipolar membrane electrodialysis treatment waste water is drawn using USER2 module in Aspen plus, and
Input feeds the information of each logistics in Aspen plus software, and the information of each logistics of charging includes feeding the group of each logistics
At, temperature, pressure, volume flow and mass concentration；
(2) then user's array (User Arrays) in USER2 module is defined；
(3) Excel template is opened, includes: that integer type argument section, reactor are solid to the parameter for needing to define in Excel
Determine argument section, outlet streams part, output result part, input stream portions and model equation part to be defined；
(4) after the completion of to each parameter definition in Excel described in step (3), Aspen plus passes through identification Excel mould
The model equation designed on plate, in conjunction with the physical data of process, the simulation for selecting suitable physical property method to carry out process is calculated.
Preferably, reactor is fixed in the definition of user's array described in step (2) (User Arrays) and Excel joins
The definition of number part is consistent.
Preferably, it includes the inlet amount of waste water, method that integer type argument section described in step (3), which needs the parameter defined,
Draw the membrane stack number of constant and Bipolar Membrane；The reactor preset parameter part need the parameter defined include waste water into
Doses, Faraday constant, the width of the room of bipolar membrane electrodialysis equipment, current density, the effective area of film, water separative efficiency,
Current efficiency and energy consumption；The outlet streams part is the parameter exported as needed, and combines Ionization Equation, material permanent
It calculates, charge conservation is configured；The output result part is set as blank, can be certainly after Excel is accessed Aspen plus
Dynamic output result；The input stream portions are Initialize installation, defeated in Excel after Excel is accessed Aspen plus
Input parameter value in Aspen plus can be read automatically by entering stream portions；The parameter of the model equation part input is institute
State the various equations used during test.
Preferably, physical property method selected in the step (4) is ELECNRTL.
Beneficial effects of the present invention: the present invention uses solar energy organic rankine cycle system and bipolar membrane electrodialysis system phase
Combination processing brine waste, the hot water generated using solar energy system as heat source needed for heat exchanger in Organic Rankine Cycle,
Achieve the purpose that Organic Rankine Cycle generates electricity；Waste water exchanges heat as the organic working medium in condensing agent and condenser, heated simultaneously
Waste water improves the performance of bipolar membrane electrodialysis treatment waste water；It can be not using bipolar membrane electrodialysis technology processing brine waste
It is introduced into the case where new component and converts corresponding bronsted lowry acids and bases bronsted lowry for the salt in aqueous solution；Therefore, solar energy is both utilized in the present invention,
Brine waste has been handled again, while having generated the bronsted lowry acids and bases bronsted lowry for other techniques, realizes waste water from the sustainable angle of green
Recycling.In addition, the present invention by user it is customized established in chemical process simulation software Aspen plus it is new
Module simulates above-mentioned wastewater treatment process, realizes test and combines with simulation, so as to fast, accurately carry out in real time
Analogue simulation.
[Detailed description of the invention]
Fig. 1 is a kind of flow diagram based on solar energy Organic Rankine Cycle processing waste water of the present invention；
Fig. 2 is the working principle diagram of bipolar membrane electrodialysis system of the present invention；
Fig. 3 is the schematic diagram that changes over time of molar concentration of sulfuric acid in the embodiment of the present invention 2, sodium hydroxide, sodium sulphate；
Fig. 4 is the schematic diagram that current efficiency and energy consumption change over time in the embodiment of the present invention 2；
Fig. 5 is the bipolar membrane electrodialysis treatment waste water drawn in USER2 described in 3 step of the embodiment of the present invention (1)
The basic flow chart of process；
Fig. 6 is analog result described in the embodiment of the present invention 3 and comparison of test results schematic diagram as described in example 2；
Wherein, in Fig. 1: 10- solar heat-collection plate；11- insulated water tank；20- organic working medium heat exchanger；21- preheater；
22- evaporator；23- superheater；24- turbine；25- generator；26- transformer；27- condenser；28- organic working medium circulation
Pump；29- fluid delivery pump；3- bipolar membrane electrodialysis system.
In Fig. 3: dot represents sodium hydroxide, and square represents sulfuric acid, and triangle represents residual sulfuric acid sodium.
In Fig. 4: dot represents energy consumption, and small cube represents current efficiency.
In Fig. 6: black square represents test result, grey dot representative simulation result.
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, present invention following specific embodiments
It is illustrated, but is only limitted to this absolutely not.As described below is the preferable embodiment of the present invention, is used only to describe the present invention, cannot
Be interpreted as limitation of the present invention, it should be pointed out that be any modification made within the spirit and principles in the present invention, it is equivalent
Replacement and improvement, should all be included in the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of device based on solar energy Organic Rankine Cycle processing waste water, described device includes solar energy
System, organic rankine cycle system and bipolar membrane electrodialysis system；
The solar energy system includes solar heat-collection plate 10, and solar heat-collection plate 10 is connect with insulated water tank 11；It is described
Solar heat-collection plate 10 is Flat plate heat collecting plate, is 30 degree with ground inclination angle；
The organic rankine cycle system includes organic working fluid heat exchanger 20, and the organic working medium heat exchanger 20 is sequentially connected
Preheater 21, evaporator 22, superheater 23, turbine 24 and generator 25, the organic working medium heat exchanger 20 pass through organic work
Matter circulating pump 28 connects condenser 27, and the insulated water tank 11 is connect with superheater 23, solar heat-collection plate 10 and preheater 21
Connection, hot water enter superheater 23, and temperature reduces after having changed primary heat, then flow into evaporator 22, change in evaporator 22
Temperature reduces again after heat, flows into preheater 21, and temperature reduces again after exchanging heat in preheater 21, finally flows back to solar energy collection
Hot plate 10 continues to heat, and the water outlet of the condenser 27 is connect by fluid delivery pump 29 with bipolar membrane electrodialysis system 3, institute
Generator 25 is stated to connect by transformer 26 with bipolar membrane electrodialysis system 3.
Film used in the bipolar membrane electrodialysis system 3 and electrodialysis plant, which are all from Beijing court of a feudal ruler profit membrane technology exploitation share, to be had
Limit company, the model TRJCM of the cation-exchange membrane, anion-exchange membrane model TRJAM, Bipolar Membrane model
TRJBM, bipolar membrane electrodialysis device model TRHB8040 type.As shown in Fig. 2, the bipolar membrane electrodialysis system 3 is bipolar
Film-anion-exchange membrane-cation-exchange membrane-Bipolar Membrane, is divided into acid compartment, salt room and alkaline chamber, i.e. three chamber systems, and each ion is handed over
The effective surface area for changing film is 200cm2, film room width is about 3mm, including ten repetitive units, and there are two bipolar for each unit
Film (BM), an anion-exchange membrane (A) and a cation-exchange membrane (C).
Embodiment 2
It is 8% sulfuric acid using the mass fraction that contains that 1 described device of embodiment generates catalytic cracking flue gas wet desulphurization
The brine waste of sodium is handled, as shown in Figure 1, detailed process is as follows:
(1) water thermal-arrest under the action of solar heat-collection plate 10 generates hot water storage in insulated water tank 11；
(2) hot water in step (1) insulated water tank 11 is as heat source, the preheated device 21 of convection current, evaporator 22 and mistake
The pentane of hot device 23 heats, and pentane is finally heated to overheated gas state, returns the sun with the water flow after pentane heat exchange
It can the continuation thermal-arrest of collecting plate 10；
(3) pentane that overheated gas state is heated to described in step (2) enters turbine 24 and carries out expansion work
It drives generator 25 to generate electricity and exports electric energy；
(4) brine waste is passed through condenser 27 as condensing agent, and the pentane after power generation returns to organic working medium heat exchanger 20
It exchanges heat, is then cooled to by condenser 27 with brine waste liquid, then pressurize through organic working medium circulating pump 28 laggard
Enter in organic working medium heat exchanger 20, then repeats the above steps；
(5) contain 8% sulfuric acid for what is flowed out in step (4) from condenser 27 using the fluid delivery pump 29 that flow velocity is 500L/h
The waste water 8.5L of sodium is passed through the salt room of bipolar membrane electrodialysis equipment, and 6L pure water is passed through the pump that flow velocity is 350L/h respectively and is passed through acid
Room and alkaline chamber, while the electric energy of step (3) output is converted into the function of current that voltage is 15V by transformer 26 and sets in electrodialysis
Standby, the power drives electrodialysis plant as electrodialysis plant carries out wastewater treatment.
As shown in Fig. 2, be powered after waste water in charged ion carry out selective migration, Na+Pass through cation-exchange membrane
Move to the OH that alkaline chamber and Bipolar Membrane dissociate-In conjunction with generation NaOH, SO4 2-Acid compartment and double is moved to by anion-exchange membrane
The H that pole film dissociates+In conjunction with generation H2SO4, not only the salt in waste water is removed in this way, moreover it is possible to be recovered to certain values
NaOH and H2SO4。
It rubs every sodium sulphate in waste water of the half an hour to embodiment 2 and the sulfuric acid in acid compartment and alkaline chamber, sodium hydroxide
Your concentration is detected, and it is as shown in Figure 3 to draw out sulfuric acid, sodium hydroxide, curve that the molar concentration of sodium sulphate changes over time.
From the figure 3, it may be seen that the molar concentration of sulfuric acid and sodium hydroxide change with time it is more and more, sodium sulphate it is mole dense
Degree change over time it is lower and lower, illustrate the present invention using solar energy Organic Rankine Cycle power generation driving with bipolar membrane electrodialysis system
The method of system processing waste water is feasible.
During the test, by manually adjusting electric current, and calculating current efficiency and energy consumption research is most according to the following formula
Good operating condition:
Wherein ACE is current efficiency, and F is Faraday constant (96500), and n is the amount for generating the substance of sulfuric acid, and D is membrane stack
Number, I is electric current, and t is the operating time；EcFor energy consumption, U is voltage, and m is the quality of the salt of processing；Draw out current efficiency and energy
Versus time curve is consumed, as shown in Figure 4.
As shown in Figure 4 in operation between when being lower than two hours, current efficiency increase at any time and reduce, energy consumption is at any time
Increase and increase；Therefore, influence of the operating time to energy consumption and current density is very big within the time period, but when the time is more than
Curve tends towards stability after two hours, so being at this moment bipolar membrane electrodialysis system using the power generation of solar energy Organic Rankine Cycle
Power supply is provided, can guarantee that bipolar membrane electrodialysis system is stablized and operate normally.
Embodiment 3
It is simulated using wastewater treatment process of the chemical engineering software Aspen plus to embodiment 2, the simulation process is such as
Under:
(1) the bipolar membrane electrodialysis process in 2 step of embodiment (5) is drawn using USER2 module in Aspen plus
Basic flow chart as shown in figure 5, and in Aspen plus software input feed flow, composition, temperature and the pressure of each logistics
Power is as shown in table 1.
Input feeds the information of each logistics in 1 Aspen plus software of table
In table 1, Temperature: the temperature of each logistics is fed；Pressure: the pressure of each logistics is fed；Volume
Flow: the volume flow of each logistics is fed；Mass concentration: the mass concentration of each logistics is fed；H2O-1: acid compartment
In the water that is passed through；SEA: the brine waste being passed through in salt room；H2O-2: the water being passed through in alkaline chamber.
(2) user's array (User Arrays) in USER2 module is defined, this part definition will in Excel
Reactor preset parameter part (Aspen_RealParams) it is consistent；
(3) Excel template is opened, the parameter for needing to define in Excel is defined, the ginseng for needing to define in Excel
Number include: integer type argument section (Aspen_IntParams), reactor preset parameter part (Aspen_RealParams),
Outlet streams part (Aspen_Output), output result part (Aspen_Output_B1), input stream portions (Aspen_
) and model equation part (Sheet1) Input；Wherein, output result part (Aspen_Output_B1) is set as blank, will
After Excel accesses Aspen plus, output result part (Aspen_Output_B1) can automatic output data；Input Logistics Department
Divide (Aspen_Input) input parameter identical as table 1, difference is VALUE (numerical value) being all replaced into 1, and Excel is accessed
After Aspen plus, the input stream portions (Aspen_Input) in Excel can read the input ginseng in Aspen plus automatically
Numerical value；The parameter of remaining each section is inputted as shown in table 2~5:
2 integer type argument section (Aspen_IntParams) of table
| INTPARAMS | VALUE (numerical value) | DEFINED AS (is defined as) |
| 1 | 500L/h | F_WS |
| 2 | 96500 | F |
| 3 | 10 | MZS |
In table 2, F_WS: the inlet amount of waste water；F: Faraday constant；MZS: the membrane stack number of Bipolar Membrane.
3 reactor preset parameter part (Aspen_RealParams) of table
| REALPARAMS | VALUE (numerical value) | DEFINED AS (is defined as) |
| 1 | 500L/h | F_WS |
| 2 | 96500 | F |
| 3 | 3cm | WIDTH |
| 4 | 35A/m2 | CURRENT DENSITY |
| 5 | 0.02m2 | AREA |
| 6 | 0.98 | BWSE |
| 7 | =ACE | CURRENT EFFICIENCY |
| 8 | =ENE | ENERGY |
In table 3, WIDTH: the width of the room of bipolar membrane electrodialysis equipment；CURRENT DENSITY: current density；AREA:
The effective area of film；BWSE: water separative efficiency；CURRENT EFFICIENCY: current efficiency；ENERGY: energy consumption.
4 outlet streams part (Aspen_Output) of table
In table 4, TOTFLOW: total flow；TEMP: temperature；PRES: pressure；VAP FRAC: gas phase fraction；LIQ FRAC:
Liquid phase fraction；DENSITY: density；MOLE WT: molecular weight；WATER_H1FEED: the molar flow of initial water in acid compartment；
WATER_H2FEE: the molar flow of initial water in alkaline chamber；Na2SO4_ SEAFEED: the molar flow of initial sodium sulphate in salt room；
Equation (such as WATER=WATER_H1FEED-H) is the Ionization Equation according to sodium sulphate and water in this table, and consider material perseverance calculate,
It is determined after charge conservation.
5 model equation part (Sheet1) of table
(4) after the completion of to each parameter definition in Excel described in step (3), Excel is accessed into Aspen plus,
Aspen plus utilizes physical property method in conjunction with the physical data of process by the model equation designed in identification Excel template
The simulation that ELECNRTL carries out process calculates, and analog result is as shown in table 6:
The analog result of 6 bipolar membrane electrodialysis treatment waste water of table
By table 6 analog result and using following formula calculating learn, in processed waste water the mass fraction of sodium sulphate from
8% drops to 0.37%, and does not have the generation of the gases such as hydrogen, oxygen in treatment process, and the sulfuric acid that acid compartment generates 7.656% is molten
Liquid, alkaline chamber generate 6.431% sodium hydroxide solution.
Wherein, yiFor the mass fraction of i；MiFor the relative molecular mass of i；X is the molar fraction of i；MsFor other in solution
The relative molecular mass of substance；
It include molar fraction (the Mass fraction of sodium sulfate in of sodium sulphate by analog result
Wastewater treated), energy consumption (Energy consumption), sodium hydroxide molar fraction (Mass fraction
Of sodium hydroxide in wastewater treated) and sulfuric acid molar fraction (Mass fraction of
Sulfuric acid in wastewater treated) it is compared with test result, comparing result is as shown in Figure 6.
It will be appreciated from fig. 6 that analog result and test result are especially close, illustrate reasonable module design of the present invention, after being
Continuous bipolar membrane electrodialysis treatment waste water provides analog platform, and the analogy method can carry out real-time simulation mould to test process
It is quasi-, save experimental cost.
Claims (10)
1. a kind of method based on solar energy Organic Rankine Cycle processing waste water, which is characterized in that the method is dependent on following
Device realizes that described device includes solar energy system, organic rankine cycle system and bipolar membrane electrodialysis system；
The solar energy system includes solar heat-collection plate, and the solar heat-collection plate is connect with insulated water tank；
The organic rankine cycle system includes organic working fluid heat exchanger, the organic working medium heat exchanger be sequentially connected preheater,
Evaporator, superheater, turbine and generator, the organic working medium heat exchanger connect condenser by organic working medium circulating pump,
The insulated water tank is connect with superheater, and solar heat-collection plate is connect with preheater, and the water outlet of the condenser passes through fluid
Delivery pump is connect with bipolar membrane electrodialysis system, and the generator is connect by transformer with bipolar membrane electrodialysis system；
The bipolar membrane electrodialysis system is Bipolar Membrane-anion-exchange membrane-cation-exchange membrane-Bipolar Membrane, i.e. three chamber systems,
Including ten repetitive units；
Described method includes following steps:
(1) water thermal-arrest under the action of solar heat-collection plate generates hot water storage in insulated water tank；
(2) hot water in step (1) described insulated water tank enters organic working medium heat exchanger, and organic working medium is heated, is heated
Organic working medium is heated to overheated gas state by preheater, evaporator, superheater, again with the water after organic working medium heat exchange
It is heated, is then stored in insulated water tank using solar heat-collection plate；
(3) organic working medium that overheated gas state is heated to described in step (2) enters turbine and carries out expansion work drive
Electrical power generators simultaneously export electric energy；
(4) brine waste is passed through condenser as condensing agent, and the organic working medium after power generation returns to organic working medium heat exchanger and changed
Heat, be then cooled to by condenser with brine waste it is liquid, then through organic working medium circulating pump pressurization after enter organic working medium
In heat exchanger, then repeat the above steps；
(5) brine waste flowed out from condenser is passed through the salt room of electrodialysis plant by fluid delivery pump, and pure water is led to respectively
Enter acid compartment and alkaline chamber, the electric energy of step (3) output directly acts on electrodialysis plant by transformer, as electrodialysis plant
Power drives electrodialysis plant carries out wastewater treatment.
2. a kind of method based on solar energy Organic Rankine Cycle processing waste water according to claim 1, which is characterized in that
The solar heat-collection plate is Flat plate heat collecting plate, and the tilt angle on the solar heat-collection plate and ground is 30 degree.
3. a kind of method based on solar energy Organic Rankine Cycle processing waste water according to claim 1, which is characterized in that
The effective surface area of each amberplex of the bipolar membrane electrodialysis system is 200cm2, film room width is 3mm.
4. a kind of method based on solar energy Organic Rankine Cycle processing waste water according to claim 1, which is characterized in that
Hot water temperature in insulated water tank described in step (1) is 100~120 DEG C.
5. a kind of method based on solar energy Organic Rankine Cycle processing waste water according to claim 1, which is characterized in that
Organic working medium described in step (2) is pentane.
6. a kind of method based on solar energy Organic Rankine Cycle processing waste water according to claim 1, which is characterized in that
The electric energy of the output of solar energy Organic Rankine Cycle described in step (5) is converted into the direct current that voltage is 15V by transformer and supplies
Electrodialysis plant uses.
7. a kind of analogy method of wastewater treatment process, the analogy method is that the user model provided by Aspen plus expands
Mouth is opened up, customized device reaction model, simulates the process of bipolar membrane electrodialysis treatment waste water in Excel template,
It is characterized in that, described method includes following steps:
(1) using the basic flow chart of USER2 module drafting bipolar membrane electrodialysis treatment waste water in Aspen plus, and
Input feeds the information of each logistics in Aspen plus software, and the information for feeding each logistics includes the composition for feeding each logistics, temperature
Degree, pressure, volume flow and mass concentration；
(2) then user's array (User Arrays) in USER2 module is defined；
(3) Excel template is opened, includes: integer type argument section, the fixed ginseng of reactor to the parameter for needing to define in Excel
Number part, outlet streams part, output result part, input stream portions and model equation part are defined；
(4) after the completion of to each parameter definition in Excel described in step (3), Aspen plus passes through in identification Excel template
The model equation of design, in conjunction with the physical data of process, the simulation for selecting suitable physical property method to carry out process is calculated.
8. a kind of analogy method of wastewater treatment process according to claim 7, which is characterized in that described in step (2)
The definition of User Arrays is consistent with the definition of reactor preset parameter part in Excel.
9. a kind of analogy method of wastewater treatment process according to claim 7, which is characterized in that described in step (3)
Integer type argument section to need the parameter that defines include the membrane stack number of the inlet amount of waste water, Faraday constant and Bipolar Membrane；
It includes the inlet amount, Faraday constant, Bipolar Membrane electric osmose of waste water that the reactor preset parameter part, which needs the parameter defined,
Width, current density, the effective area of film, water separative efficiency, current efficiency and the energy consumption of the room of desorption device；The outlet object
Stream part is the parameter exported as needed, and Ionization Equation, the calculation of material perseverance, charge conservation is combined to be configured；Described is defeated
Result part is set as blank out, after Excel is accessed Aspen plus, can export result automatically；The input Logistics Department
It is divided into Initialize installation, after Excel is accessed Aspen plus, the input stream portions in Excel can read Aspen automatically
Input parameter value in plus；The parameter of the model equation part input is the various sides that the test is used in the process
Journey.
10. a kind of analogy method of wastewater treatment process according to claim 7, which is characterized in that in the step (4)
Selected physical property method is ELECNRTL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397371.0A CN110182915A (en) | 2019-05-13 | 2019-05-13 | A kind of analogy method of method and wastewater treatment process based on solar energy Organic Rankine Cycle processing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397371.0A CN110182915A (en) | 2019-05-13 | 2019-05-13 | A kind of analogy method of method and wastewater treatment process based on solar energy Organic Rankine Cycle processing waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110182915A true CN110182915A (en) | 2019-08-30 |
Family
ID=67716171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910397371.0A Withdrawn CN110182915A (en) | 2019-05-13 | 2019-05-13 | A kind of analogy method of method and wastewater treatment process based on solar energy Organic Rankine Cycle processing waste water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110182915A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
-
2019
- 2019-05-13 CN CN201910397371.0A patent/CN110182915A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11502323B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11502322B1 (en) | 2022-05-09 | 2022-11-15 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11563229B1 (en) | 2022-05-09 | 2023-01-24 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11611099B1 (en) | 2022-05-09 | 2023-03-21 | Rahul S Nana | Reverse electrodialysis cell and methods of use thereof |
| US11699803B1 (en) | 2022-05-09 | 2023-07-11 | Rahul S Nana | Reverse electrodialysis cell with heat pump |
| US11855324B1 (en) | 2022-11-15 | 2023-12-26 | Rahul S. Nana | Reverse electrodialysis or pressure-retarded osmosis cell with heat pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8795525B2 (en) | Utility scale osmotic grid storage | |
| CN110182915A (en) | A kind of analogy method of method and wastewater treatment process based on solar energy Organic Rankine Cycle processing waste water | |
| Kwan et al. | Comprehensive review of integrating fuel cells to other energy systems for enhanced performance and enabling polygeneration | |
| CN101417209A (en) | Energy-saving pressure-reduction distillation device and method | |
| CN101397153A (en) | Hybrid solar water desalination system | |
| CN201914937U (en) | Seawater desalination system with multilevel heat exchanges | |
| CN207943899U (en) | A kind of MVR seawater desalination systems | |
| CN108793299A (en) | A kind of small-sized solar energy sea water desalination apparatus and method | |
| CN108534127A (en) | A kind of boiler supply water deaerating system | |
| Hou et al. | Experimental investigation of low temperature distillation coupled with spray evaporation | |
| CN106540639A (en) | Changing the flow of QI-blood low temperature exhaust heat recovery process in a kind of hydrocarbon steam conversion hydrogen production plant | |
| CN104310514B (en) | Efficient mechanical vapor recompression seawater desalination method | |
| CN203095658U (en) | Air humidifying and solution moisture absorbing solar freshwater preparation device | |
| CN101985368A (en) | Condenser type seawater desalting device with steam turbine generator unit | |
| CN107906505B (en) | Method and system for deeply recycling steam condensate | |
| KR101561978B1 (en) | solar energy and external source steam complementary power generation apparatus | |
| CN103016074B (en) | The water that heat energy combines with natural cold-energy, electricity, salt combined production device | |
| CN105948357B (en) | A kind of multiple cycle heat exchange industry water zero-discharge treatment system of low cost | |
| CN201882942U (en) | Power-generation turboset condenser type sea water desalinating unit | |
| CN210267441U (en) | Recycling device for waste heat of periodic blowdown and continuous blowdown of power plant boiler | |
| CN204755005U (en) | Used heat water and electricity cogeneration system | |
| CN206705876U (en) | Clean energy resource desalinization and salt making system | |
| CN108275738A (en) | MVR seawater desalination systems based on generation of electricity by new energy | |
| CN215161150U (en) | Low-temperature multi-effect seawater desalination process system taking flue gas as heat source | |
| CN112919565B (en) | Solar energy-hot spring-heat pump coupling multistage membrane distillation water treatment system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190830 |