CN205328802U - Many technological couplings purify high salt water system based on little algae - Google Patents
Many technological couplings purify high salt water system based on little algae Download PDFInfo
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- CN205328802U CN205328802U CN201521071576.3U CN201521071576U CN205328802U CN 205328802 U CN205328802 U CN 205328802U CN 201521071576 U CN201521071576 U CN 201521071576U CN 205328802 U CN205328802 U CN 205328802U
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Abstract
The utility model relates to a many technological couplings purify high salt water system based on little algae, its high salt pretreatment of water device, photobioreactor, concentrated pond connect gradually, and the desalination room of photoproduction thing desalination battery is connected to the liquid output in concentrated pond, and the entry in concentrated pond is connected to the algae liquid output of cathode chamber, frond output, solid garbage preprocessing device and the sewage preprocessing device in concentrated pond all are connected to the pulp blender and mix the matter entrance of reactor in the exit linkage supercritical water oxidization reaction system of pulp blender, the hot steam inlet of the supercritical steam exit linkage evaporimeter of supercritical water oxidization reaction system, the cold water of the strong brine export of supercritical water oxidization reaction system and the concentrate exit linkage evaporimeter of photoproduction thing desalination battery enters the mouth. The utility model discloses coupling photobioreactor, photosynthetic microorganism desalination battery, many sets of technologies of supercritical water oxidization reaction refuse disposal and waste water make the result of each technology and energy can carry out the inner loop, effectively get rid of nitrogen phosphorus.
Description
Technical field
This utility model relates to the desalination of a kind of haline water and the system, particularly a kind of many technology coupling purification haline water system based on microalgae of various wastewater process。
Background technology
Haline water purification is primarily referred to as the desalination to sea water and processes, and just day by day affects national economy and the sustainable development of society due to shortage of fresh water problem, and desalinization is the effective way solving coastal area shortage of water resources problem。Current industrial wide variety of method for desalting seawater is broadly divided into embrane method (reverse osmosis (RO)) and full-boiled process (multistage flash evaporation MSF and low-temperature multi-effect MED) two classes。The Water Sproading rate of desalinization is the principal element affecting its cost, and the system response rate of conventional reverse osmosis Seawater Desalination Project is generally 30%-40%；The system response rate of full-boiled process Seawater Desalination Project is generally 15-40%；The response rate is a very crucial parameter in the design of RO system, decides size and the floor space of water inlet treatment system (water intaking, pretreatment system and high-pressure pump), and the response rate is also one of key parameter in the design of full-boiled process sea water desalinating unit。The raising system response rate, it is meant that the process water yield of water inlet system can be reduced, reduce the consumption of power consumption and chemical drugs, finally reduce cost。
But the RO system response rate improve it is generally required to higher operation pressure, thus bring fouling membrane and frequently membrane component cleaning and replacing faster, and improving of the full-boiled process desalination system response rate needs higher operation temperature, thus bring the fouling of heat exchange tube wall and the decline of heat exchange efficiency。The energy consumption of above two method is also quite big simultaneously, adds operating cost, reduces the earning rate of desalinization, even puts into higher than benefit, limits the use of desalinization。In addition, RO system only plays the effect of filtering and concentrating, discharges substantial amounts of high saliferous, high oxygen enrichment dense water, and the discharge of dense water can cause again the problem that the nutrient concentrations such as secondary pollution, water outlet nitrogen phosphorus is high。
Summary of the invention
The purpose of this utility model is in that to overcome the deficiencies in the prior art, one coupling bioreactor, photosynthetic microorganism desalination cell, supercritical water oxidation is provided to process rubbish and waste water many sets technique, the product making each technique adds in other technique as reaction material, enables the energy of whole system to carry out internal recycle, effectively to remove the many technology coupling purification haline water system based on microalgae of nitrogen phosphorus, non-secondary pollution。
This utility model its technical problem of determining is achieved through the following technical solutions:
1, a kind of many technology coupling purification haline water system based on microalgae, it is characterised in that: include haline water pretreatment unit, bioreactor, concentration basin, photo bio desalination cell, solid waste pretreatment unit, sewage pre-treatment device, supercritical water oxidation system；Described supercritical water oxidation system includes reactor, pulp blender；Described haline water pretreatment unit, bioreactor, concentration basin are sequentially connected with；In bioreactor, inoculate salt tolerant microalgae, concentration basin arranges dielectrophoresis film；
Described photo bio desalination cell includes cathode chamber, anode chamber, desalting chamber and cell body, described cathode chamber, anode chamber and desalting chamber may be contained within cell body, interval is carried out each other by anode film, described desalting chamber is between cathode chamber and anode chamber, and the fluid output port of described concentration basin connects the desalting chamber of photo bio desalination cell；Described anode compartment adds the outer electrogenesis antibacterial of born of the same parents, and inserts anode electrode wherein；Described cathode chamber is internal to be added microalgae and inserts the cathode electrode scribbling catalyst coat；Described desalting chamber arranges one group of capacitance group being made up of capacitor plate, described capacitor plate is divided into positive capacitor plate and negative appearance capacitor plate, positive capacitor plate interts with negative capacitance pole plate to be placed, insulating barrier is placed between two adjacent capacitor plates, negative capacitance pole plate is connected with described anode electrode, and positive capacitor plate is connected with described cathode electrode
The algae solution outfan of described cathode chamber connects the entrance of concentration basin；The frond outfan of concentration basin, solid waste pretreatment unit, sewage pre-treatment device are connected to described pulp blender, and the outlet of pulp blender connects the material inlet of described reactor。
The supercritical steam outlet of described reactor connects the vapours entrance of described vaporizer, the concentrated solution outlet of brine outlet and described photo bio desalination cell connects the cold water inlet of vaporizer, evaporation is reclaimed after obtaining inorganic salt crystallization, and the steam of output reclaims as pure water；The water out that produces of the desalting chamber of photo bio desalination cell connects the water inlet of defecator, and gained is crossed drainage and can be discharged as water for industrial use。
The supercritical steam of described supercritical water oxidation system converts cold aqueous gas to through evaporator heat exchange, after be connected to pressure energy retracting device and gas-liquid separation device, can reclaim through pressure and after gas-liquid separation, export pure water and CO2, CO2Together adding to bioreactor participation algae culture with the described inorganic salt through vaporizer crystallization, vaporizer after-heat is delivered to bioreactor。
Described concentration basin is the concentration basin being provided with dielectrophoresis membranous system, dielectrophoresis membranous system includes multiple dielectrophoresis membrane component, each dielectrophoresis membrane component includes two panels diaphragm, and two produce the dielectrophoresis electrode group arranged in water cavity between diaphragm, dielectrophoresis electrode component is the two arrays of electrodes of the different outfans connecting power supply respectively, and the electrode gap of different groups is arranged；Connect the two arrays of electrodes of concentration basin dielectrophoresis electrode group between anode electrode and the cathode electrode of described photo bio desalination cell, be powered for concentration basin。
Described bioreactor is pillar, tubular type, board-like, gas-lifting type, open pond or their combination, built-in bottom multipoint mode aerator。
The anode electrode of described photo bio desalination cell is made up of carbon fiber and titanium silk, and the cathode electrode of described photo bio desalination cell covers the conduction carbon cloth smearing carboplatin catalyst。
The capacitor plate of described photo bio desalination cell is activated carbon measuring fiber capacitor plate。
The capacitance group surrounding of the desalting chamber of described photo bio desalination cell leaves the proton produced in Neng Shi anode chamber and flows to the space participating in redox reaction in cathode chamber。
The volume of described cathode chamber is 1.5～2 times of anode chamber。
Described cathode chamber, anode chamber, desalting chamber volume ratio be 1.55:1.0:0.9。
Described anode film adopts two cation exchange membranes to overlap, and cation exchange membrane is the commercial power dialysis cation exchange membrane that transmitance is not less than 90%, and thickness is 0.2～0.5mm, and burst strength is not less than 0.3Mpa, and described insulating barrier adopts two layers of plastic net to overlap。
Advantage of the present utility model and having the beneficial effect that
1, the many technology coupling purification haline water system based on microalgae of the present utility model, in bioreactor, the domestication of salt tolerant microalgae is cultivated, overcome the pollution problem in algae culture such as protista, antibacterial, achieve the accumulation of micro algae biomass and significantly reduce water outlet nitrogen phosphorus value, improve effluent quality, adopting photosynthetic capacitive desalination microorganism desalination cell while desalination, the electric energy of generation is dielectrophoresis membranous system continued power by transformator；The concentration same organic waste of algae solution, mud and allogenic material thereof enter supercritical water oxidation system after grinding, heat supplement is done for its used water difficult to degradate processing COD value relatively low, the waste heat that supercritical water oxidation system produces is sent to vaporizer, accelerates saline crystallization speed by heating evaporation。Remaining heat reuse is to Photoreactor, it is achieved the adjustment of reactor temperature, overcomes the seasonal restriction of algal grown, supercritical water oxidation system produces simultaneously part inorganic salt, CO2It is recycled in Photoreactor, promotes the growth of microalgae。The power consumption of whole process system is low, and diverse in function, while the energy and material farthest recycle, it is achieved that the desalination-decontamination-Biomass Accumulation of high-salt wastewater/polluted seawater, reduces the processing cost that desalination is separated by traditional handicraft with removal。
2, the many technology coupling purification haline water system based on microalgae of the present utility model, owing to haline water/sea water has higher salt content, the microbial growth such as protozoacide, pathogenic bacterium in water body is had certain inhibitory action, and therefore whole technique need not consider the contamination of microorganism。In bioreactor, the salt tolerant microalgae after domestication can adapt to hypersaline environment very well, utilizes the nutrition unit in water body to realize the accelerated accumulation of own biological amount。
3, the many technology coupling purification haline water system based on microalgae of the present utility model, in photo bio desalination cell, high-salt wastewater enters desalting chamber, and the waste water rich in nutrient substance enters cathode and anode room, in the anode compartment, the outer electrogenesis bacterial oxidation organic pollution of born of the same parents produces electronics and proton (H+)；Cathode chamber utilizes microalgae discharge oxygen and replace traditional air cathode carrying out photosynthesis, realize own growth by absorbing in luminous energy and sewage the nutrient substance such as nitrogen phosphorus and produce oxygen, and under the effect of catalyst, receiving proton (H+), be electronically generated stable redox products (H2O)；Thus producing electric field between the capacitance group pole plate connected between anodic-cathodic, promote the removal of desalting chamber's intermediate ion。This utility model, without applied voltage, can realize heavy metal, the elimination of nitrogen phosphorus in electric energy output, removal water, decomposes COD, high-salt sewage desalination, obtain the functions such as high value added product such as microalgae biomass。
4, the many technology coupling purification haline water system based on microalgae of the present utility model, when capacitance electrode is close to when adsorbing saturated, by in negative and positive two bioelectrode reversal connection to capacitance electrode, by changing the polarity of battery lead plate, making the ion desorption of absorption on electrode enter in solution and together discharge with flushing liquor, the original position both having realized salt ion on capacitor plate is removed, and in the process of capacitor plate regeneration, the reaction of room, yin, yang the two poles of the earth is also performed continuously over, and sewage disposal can carry out in serialization。
5, the many technology coupling purification haline water system based on microalgae of the present utility model, due to H+Anode film can be passed through, shuttle back and forth between three Room, reach the effect of balance three Room pH value, thus avoiding liquid salinity and the unbalanced problem of pH in the cathode chamber owing to ion-transfer causes, anode chamber, having provided guarantee for system longtime running。
6, the many technology coupling purification haline water system based on microalgae of the present utility model, owing to the volume of desalting chamber is not by the distance limit of capacitor plate, relatively photosynthetic microorganism desalination cell is compared, and improves the removal efficiency of soluble solids。
Accompanying drawing explanation
Fig. 1 is system structure schematic diagram of the present utility model；
Fig. 2 is photo bio desalination cell structural representation of the present utility model；
Fig. 3 is part A reaction schematic diagram in Tu1Zhong desalting chamber。
Description of reference numerals
1-haline water pretreatment unit, 2-bioreactor, 3-concentration basin, 4-photo bio desalination cell, 5-defecator, 6-solid waste pretreatment unit, 7-sewage pre-treatment device, 8-supercritical water oxidation system, 9-vaporizer, 10-pulp blender, 41-cathode chamber, 42-anode chamber, 43-desalting chamber, 44-cell body, 45-anode film, 46-anode electrode, 47-cathode electrode, 48-capacitance group, 49-insulating barrier, 410-positive wire, 411-cathode wire。
Detailed description of the invention
Below by specific embodiment, the utility model is described in further detail, and following example are illustrative, is not determinate, it is impossible to limits protection domain of the present utility model with this。
As it is shown in figure 1, native system includes haline water pretreatment unit 1, bioreactor 2, concentration basin 3, photo bio desalination cell 4, defecator 5, solid waste pretreatment unit 6, sewage pre-treatment device 7, supercritical water oxidation system 8, vaporizer 9, pulp blender 10。The process object of native system includes haline water and used water difficult to degradate, wherein haline water includes the contaminated sea water of inshore, marine product sewage, hot pickled mustard tube production waste water, food production etc., and used water difficult to degradate includes wastewater from chemical industry, medical waste water, dyeing waste water, leather waste water etc.。
Haline water pretreatment unit 1, bioreactor 2, concentration basin 3 are sequentially connected with；Haline water input haline water pretreatment unit 1 carries out simple pretreatment, removes the materials such as the large particulate matter in water body and the inorganic grains of sand, as water pH cannot meeting tier 2 biochemical treatment requirement, in addition it is also necessary to carry out the adjustment of pH before entering bioreactor 2。
The salt tolerant microalgae obtained by acclimation and screening is inoculated in bioreactor 2, one or more in the chlorella after domestication, spirulina, scenedesmus, Dunaliella salina, salt tolerant microalgae after domestication can remain unchanged the growth rate keeping good in the waste water that salt content is higher, while absorbing small organic molecule in luminous energy and waste water, nitrogen phosphorus and inorganic salt and realizing the accumulation of own biological amount, complete the removal of the nutrients such as most of the nitrogen phosphorus in water body and fraction COD, salt。
In concentration basin 3, being completed the concentration of algae solution by dielectrophoresis membranous system, the water outlet salt content of concentration basin 3 remains unchanged higher, it is therefore desirable to carry out desalting processing further。The fluid output port of concentration basin 3 connects the desalting chamber 43 of photo bio desalination cell 4, and the algae solution outfan of cathode chamber 41 connects the entrance of concentration basin 3, can connect the load of concentration basin 3, be powered for concentration basin 3 between anode electrode 46 and cathode electrode 47。
As shown in Figure 2, photo bio desalination cell 4 includes cathode chamber 41, anode chamber 42, desalting chamber 43 and cell body 44, cathode chamber 41, anode chamber 42, desalting chamber 43 are arranged and within cell body 44, and each other by anode film 45 interval, desalting chamber 43 is between cathode chamber 41 and anode chamber 42。Wherein, anode chamber 42 is electrogenesis bacteria growth chamber, the internal outer electrogenesis antibacterial of interpolation born of the same parents, and inserts the anode electrode 46 being made up of carbon fiber and titanium silk wherein。Cathode chamber 41 is microalgae photoreaction room, internal microalgae and the catalyst of adding, and inserts cathode electrode 47 wherein, and cathode electrode 47 covers the conduction carbon cloth smearing carboplatin catalyst。
Arranging capacitance group 48, insulating barrier 49 in desalting chamber 43, capacitance group 48 is placed in the middle part of desalting chamber 43, and surrounding leaves the proton (H produced in Neng Shi anode chamber 42+) flow to the space participating in redox reaction in cathode chamber 41。The battery lead plate of capacitance group 48 is activated carbon measuring fiber battery lead plate, is divided into positive electrode plate and negative electrode plate, and positive electrode plate interts with negative electrode plate to be placed, and places insulating barrier 49, play the effect of insulation between two adjacent battery lead plates。Negative electrode plate is connected with one end of positive wire 410, positive electrode plate is connected with one end of cathode wire 411, the other end jointed anode electrode 46 of positive wire 410, the other end of cathode wire 411 connects cathode electrode 47, anode electrode 46, cathode electrode 47, capacitance group 48 constitute battery circuit, and wherein capacitance group 48 is as energy-storage travelling wave tube。
In the present embodiment, owing in cathode chamber 41, photosynthetic rate is slow compared to the bacterial metabolism speed in anode chamber 42, therefore the volume of cathode chamber 41 is about 1.5～2 times of anode chamber 42, it is preferable that cathode chamber 41, anode chamber 42, desalting chamber 43 volume ratio be 1.55:1.0:0.9。Anode film 45 preferably employs two cation exchange membranes and overlaps, and cation exchange membrane is the nontoxic commercial power dialysis cation exchange membrane that transmitance is not less than 90%, and thickness is 0.2～0.5mm, and burst strength is not less than 0.3Mpa。The preferred two layers of plastic net of insulating barrier 49 overlaps。
High-COD waste water (such as sanitary sewage, through pretreated breeding wastewater etc.) is passed into cathode chamber 41, anode chamber 42, high-salt wastewater is passed into desalting chamber, 43。In cathode chamber 41, the nutrient substance such as little molecule carbon source that microalgae absorbs most of N, the P in high-COD waste water when illumination and fraction can be utilized, and absorb CO2Carry out photosynthesis, produce O2The accumulation of own biological matter as electron acceptor, can be realized simultaneously；After system stability, the dense water pump higher for COD retained is drawn, after carrying out microalgae collection, dense water is circulated directly as the water that enters of anode chamber 42 in cathode chamber 41。
In anode chamber 42, the outer electrogenesis antibacterial of born of the same parents utilizes remaining nitrogen phosphorus in sewage to be CO by organic pollution and remaining frond oxidation Decomposition2, electronics and proton (H+)。Wherein, CO2Can being enriched to cathode chamber 41 by connection, promote the photosynthesis of microalgae, electronics is delivered in capacitance group 48 by positive wire 410 and stores, and proton then arrives cathode chamber 41 through anode film 45 and desalting chamber 43。On cathode electrode 47 surface, under the effect of catalyst, proton, electronics and the electron acceptor (O that microalgae produces2) react, ultimately generate stable redox products (H2O)。Reactive chemistry formula includes:
Anode: C6H12O6+6H2O→6CO2+24H++24e-(1)
Negative electrode: O2+4H++4e-→2H2O(2)。
As shown in Figure 3, owing to the positive electrode plate of the capacitance group 48 in desalting chamber 43 has identical electromotive force with negative electrode plate, and then between electrode plate surface and solution, form electric double layer, the ion in desalting chamber 43 is made to be enriched in the electrode plate surface with opposite polarity respectively, thus realizing removing the purpose of major part ion。Meanwhile, H+Anode film 45 can being passed through, shuttle back and forth between three Room, having reached the effect of balance three Room pH value, thus avoiding liquid salinity and the unbalanced problem of pH in the cathode chamber 41 owing to ion-transfer causes, anode chamber 42。
At the ion of positive electrode plate and negative electrode plate absorption of capacitance group 48 close to time saturated, negative electrode plate is connected with cathode wire 411, positive electrode plate is connected with positive wire 410, by anode electrode 46, cathode electrode 47 reversal connection on positive electrode plate and negative electrode plate, between the battery lead plate of capacitance group 48, so it is the formation of the electromotive force contrary with desalination stage, the ion being adsorbed on battery lead plate repels and desorbing under the driving of opposite potential mutually in the same sex, forms concentrated solution, can recycle in subsequent technique。
The fluid output port of concentration basin 3 connects the desalting chamber 43 of photo bio desalination cell 4, and the algae solution outfan of cathode chamber 41 connects the entrance of concentration basin 3, can connect the load of concentration basin 3, be powered for concentration basin 3 between anode electrode 46 and cathode electrode 47。The outlet of desalting chamber 43 connects the water inlet of defecator 5, and gained is crossed drainage and can be discharged as water for industrial use。At the ion of positive electrode plate and negative electrode plate absorption of capacitance group 48 close to time saturated, negative electrode plate is connected with cathode wire 411, positive electrode plate is connected with positive wire 410, by anode electrode 46, cathode electrode 47 reversal connection on positive electrode plate and negative electrode plate, between the battery lead plate of capacitance group 48, so it is the formation of the electromotive force contrary with desalination stage, the ion being adsorbed on battery lead plate repels and desorbing under the driving of opposite potential mutually in the same sex, forming concentrated solution, concentrated solution inputs to crystallization in vaporizer 9。
In supercritical water oxidation process, frond from photo bio desalination cell 4 and bioreactor 2 is concentrated by concentration basin 3, the frond outfan of concentration basin 3 connects the frond entrance of pulp blender 10, processes the used water difficult to degradate of low cod value for supercritical water oxidation system 8 and does carbon source and supplement；Solid waste pretreatment unit 6 connects the solid waste entrance of pulp blender 10, and sewage pre-treatment device 7 connects the sewage inlet of pulp blender 10。Frond, rubbish, sewage are in pulp blender 10 after pulp and modulation, and the COD concentration of pulp material reaches the requirement of supercritical water oxidation, and the outlet of pulp blender 10 connects the material inlet of reactor in supercritical water oxidation system 8。
Pulp material carries out supercritical water oxidation in reactor, under exceeding the high-temperature and high-pressure conditions of critical point of water, is carried out " combustion oxidation " by pulp material with oxidant, and response speed is fast, the rapid burns oxygen chemical conversion CO of Organic substance of more than 99.9%2、H2The end product that O and inorganic salt etc. are nontoxic。Exported by the supercritical steam of reactor head and discharge supercritical steam, exported by the inorganic salt of bottom and discharge strong brine。The brine outlet of supercritical water oxidation system 8 and the brine outlet of photo bio desalination cell 4 connect the strong brine entrance of vaporizer 9, and the supercritical steam outlet of supercritical water oxidation system 8 connects the heat exchanger of vaporizer 9。The concentrated solution that strong brine and photo bio desalination cell 4 desorbing of supercritical water oxidation system 8 output are exported by vaporizer 9, evaporation is reclaimed after obtaining inorganic salt crystallization, and the steam of output reclaims as pure water。Supercritical steam converts cold aqueous gas to through heat exchange, can reclaim and after gas-liquid separation through excess pressure, export pure water and CO2。The CO of the inorganic salt of vaporizer 9 gained and supercritical water oxidation system 8 output2, participation algae culture in bioreactor 2 can be added。
In the present embodiment, bioreactor 2 adopts pillar, tubular type, board-like, gas-lifting type, open pond or their combination, aerator adopts bottom multipoint mode aeration, haline water salinity owing to entering is of a relatively high, antibacterial in waste water, protozoacide there is bigger inhibitory action, therefore closed reactor wall can being avoided to form biomembrane thus affecting the transmittance of light source, it also avoid open reactive device and being subject to the unfavorable factor that microorganism is polluted。Inoculate one or more in the salt tolerant chlorella after domestication, spirulina, scenedesmus, Dunaliella salina, by controlling the factors such as illumination and the temperature of reactor, microalgae fast-growth in suitable growing environment can be made, it is achieved the accumulation of Biomass。
The dielectrophoresis membranous system arranged in concentration basin 3 includes multiple dielectrophoresis membrane component, each dielectrophoresis membrane component includes two panels diaphragm, and two produce the dielectrophoresis electrode group arranged in water cavity between diaphragm, dielectrophoresis electrode component is the two arrays of electrodes of the different outfans connecting power supply respectively, and the electrode gap of different groups is arranged。When the power is turned on, the unshapeliness electric field that the solid matters such as frond can be pushed away is produced to the opposite direction of diaphragm around dielectrophoresis electrode group, overcoming fouling membrane and blockage problem that tradition algae is collected, water is discharged by water purification mouth by dialyzer, it is achieved that the concentration of algae solution and collection。
Course of reaction within photo bio desalination cell 4 is:
1) in cathode chamber 41, anode chamber 42, pass into high-COD waste water, in desalting chamber 43, pass into high-salt wastewater；The negative electrode plate jointed anode electrode 46 of capacitance group 48, positive electrode plate connects cathode electrode 47；
2) cathode chamber 41 is thrown in microalgae and catalyst, anode chamber 42 throws in the outer electrogenesis antibacterial of born of the same parents；
3) nutrient substance such as the little molecule carbon source that microalgae absorbs most of N, the P in high-COD waste water in cathode chamber 41 and fraction can be utilized, and carry out photosynthesis and produce O2；
4) after the N recorded in cathode chamber 41, P content tend towards stability, carrying out microalgae collection and membrance concentration, the dense water of gained passes into anode chamber 42 afterwards；
5) in anode chamber 42, organic pollution and remaining microalgae oxidation Decomposition under the effect of the outer electrogenesis antibacterial of born of the same parents is CO2, electronics and H+Proton, proton and CO2Entering cathode chamber 41 by anode film 45 and desalting chamber 43, electronics is delivered to energy storage in capacitance group 48 by cathode wire 411；
6) proton and O in cathode chamber 412Combine under the effect of catalyst, generate stable redox products；
7) in desalting chamber 43, the ion of high-salt wastewater is enriched in the electrode plate surface of capacitance group 48 respectively；
8) at the ion of positive electrode plate and negative electrode plate absorption close to, time saturated, negative electrode plate being connected cathode electrode 47, positive electrode plate jointed anode electrode 46, make the ion desorption of absorption on battery lead plate enter in solution and discharge。
Although disclosing embodiment of the present utility model and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope without departing from this utility model and claims, various replacements, to change and modifications be all possible, therefore, scope of the present utility model is not limited to embodiment and accompanying drawing disclosure of that。
Claims (11)
1. the many technology coupling purification haline water system based on microalgae, it is characterised in that: include haline water pretreatment unit, bioreactor, concentration basin, photo bio desalination cell, solid waste pretreatment unit, sewage pre-treatment device, supercritical water oxidation system；Described supercritical water oxidation system includes reactor, pulp blender；Described haline water pretreatment unit, bioreactor, concentration basin are sequentially connected with；In bioreactor, inoculate salt tolerant microalgae, concentration basin arranges dielectrophoresis film；
Described photo bio desalination cell includes cathode chamber, anode chamber, desalting chamber and cell body, described cathode chamber, anode chamber and desalting chamber may be contained within cell body, interval is carried out each other by anode film, described desalting chamber is between cathode chamber and anode chamber, and the fluid output port of described concentration basin connects the desalting chamber of photo bio desalination cell；Described anode compartment adds the outer electrogenesis antibacterial of born of the same parents, and inserts anode electrode wherein；Described cathode chamber is internal to be added microalgae and inserts the cathode electrode scribbling catalyst coat；Described desalting chamber arranges one group of capacitance group being made up of capacitor plate, described capacitor plate is divided into positive capacitor plate and negative appearance capacitor plate, positive capacitor plate interts with negative capacitance pole plate to be placed, insulating barrier is placed between two adjacent capacitor plates, negative capacitance pole plate is connected with described anode electrode, and positive capacitor plate is connected with described cathode electrode
The algae solution outfan of described cathode chamber connects the entrance of concentration basin；The frond outfan of concentration basin, solid waste pretreatment unit, sewage pre-treatment device are connected to described pulp blender, and the outlet of pulp blender connects the material inlet of described reactor。
2. a kind of many technology coupling purification haline water system based on microalgae as claimed in claim 1, it is characterized in that: the supercritical steam outlet of described reactor connects the vapours entrance of vaporizer, the concentrated solution outlet of brine outlet and described photo bio desalination cell connects the cold water inlet of vaporizer, evaporation is reclaimed after obtaining inorganic salt crystallization, and the steam of output reclaims as pure water；The water out that produces of the desalting chamber of photo bio desalination cell connects the water inlet of defecator, and gained is crossed drainage and can be discharged as water for industrial use。
3. the many technology coupling purification haline water system based on microalgae according to claim 2, it is characterized in that: the supercritical steam of described supercritical water oxidation system converts cold aqueous gas to through evaporator heat exchange, after be connected to pressure energy retracting device and gas-liquid separation device, can reclaim through pressure and after gas-liquid separation, export pure water and CO2, CO2Together adding to bioreactor participation algae culture with the described inorganic salt through vaporizer crystallization, vaporizer after-heat is delivered to bioreactor。
4. the many technology coupling purification haline water system based on microalgae according to claim 1, it is characterized in that: described concentration basin is the concentration basin being provided with dielectrophoresis membranous system, dielectrophoresis membranous system includes multiple dielectrophoresis membrane component, each dielectrophoresis membrane component includes two panels diaphragm, and two produce the dielectrophoresis electrode group arranged in water cavity between diaphragm, dielectrophoresis electrode component is the two arrays of electrodes of the different outfans connecting power supply respectively, and the electrode gap of different groups is arranged；Connect the two arrays of electrodes of concentration basin dielectrophoresis electrode group between anode electrode and the cathode electrode of described photo bio desalination cell, be powered for concentration basin。
5. the many technology coupling purification haline water system based on microalgae according to claim 1, it is characterised in that: described bioreactor is pillar, tubular type, board-like, gas-lifting type, open pond or their combination, built-in bottom multipoint mode aerator。
6. the many technology coupling purification haline water system based on microalgae according to claim 1 or 3 or 4, it is characterized in that: the anode electrode of described photo bio desalination cell is made up of carbon fiber and titanium silk, the cathode electrode of described photo bio desalination cell covers the conduction carbon cloth smearing carboplatin catalyst。
7. the many technology coupling purification haline water system based on microalgae according to claim 1 or 3 or 4, it is characterised in that: the capacitor plate of described photo bio desalination cell is activated carbon measuring fiber capacitor plate。
8. the many technology coupling purification haline water system based on microalgae according to claim 1, it is characterised in that: the capacitance group surrounding of the desalting chamber of described photo bio desalination cell leaves the proton produced in Neng Shi anode chamber and flows to the space participating in redox reaction in cathode chamber。
9. the many technology coupling purification haline water system based on microalgae according to claim 1, it is characterised in that: the volume of described cathode chamber is 1.5～2 times of anode chamber。
10. the many technology coupling purification haline water system based on microalgae according to claim 9, it is characterised in that: described cathode chamber, anode chamber, desalting chamber volume ratio be 1.55:1.0:0.9。
11. the many technology coupling purification haline water system based on microalgae according to claim 1, it is characterized in that: described anode film adopts two cation exchange membranes to overlap, cation exchange membrane is the commercial power dialysis cation exchange membrane that transmitance is not less than 90%, thickness is 0.2～0.5mm, burst strength is not less than 0.3Mpa, and described insulating barrier adopts two layers of plastic net to overlap。
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746202A (en) * | 2016-12-14 | 2017-05-31 | 陆丽曼 | A kind of biomass energy water purification installation |
| WO2017101654A1 (en) * | 2015-12-18 | 2017-06-22 | 王冰 | Microalgae-based system for purifying high-salt water by combining multiple technologies |
| CN109052587A (en) * | 2017-06-13 | 2018-12-21 | 郭洪飞 | A kind of open capacitive deionization desalter |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101654A1 (en) * | 2015-12-18 | 2017-06-22 | 王冰 | Microalgae-based system for purifying high-salt water by combining multiple technologies |
| CN106892529A (en) * | 2015-12-18 | 2017-06-27 | 王冰 | A kind of many technology coupling purification high salt water systems based on microalgae |
| CN106746202A (en) * | 2016-12-14 | 2017-05-31 | 陆丽曼 | A kind of biomass energy water purification installation |
| CN109052587A (en) * | 2017-06-13 | 2018-12-21 | 郭洪飞 | A kind of open capacitive deionization desalter |
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Effective date of registration: 20170329 Address after: 100084 Beijing, Haidian District on the ground floor, No. 10, No. four, room 404 Patentee after: Bi Tian Tian (Beijing) Polytron Technologies Inc Address before: Dalian Lushun Liaoning province 116047 mouth area Shuangshenglu No. 511 Patentee before: Wang Bing |
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