CN205076856U - Utilize electrostatic absorption to purify device of high salt waste water - Google Patents
Utilize electrostatic absorption to purify device of high salt waste water Download PDFInfo
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- CN205076856U CN205076856U CN201520844033.4U CN201520844033U CN205076856U CN 205076856 U CN205076856 U CN 205076856U CN 201520844033 U CN201520844033 U CN 201520844033U CN 205076856 U CN205076856 U CN 205076856U
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model discloses an utilize electrostatic absorption to purify device of high salt waste water, include: water treatment facilities, its container that includes a rectangle with set up a plurality of electrodes in the container, a plurality of electrodes are crisscross to be set up in the first side of container and second side, first side is relative with the second side to be set up, and be located in the first side the electrode with be located positive pole and the negative pole that the electrode in the second side was connected respectively, seted up water inlet and outlet on the third of container inclines and the fourth inclines respectively, wherein, the electrode is to interior glass fiber layer, activated carbon fiber layer and the metallic conduction layer of including in proper order outside from. The utility model discloses high salt waste water is handled to the electrostatic field that utilizes the produced low -voltage of solar panel to provide, adopts novel electrode material to improve the treatment effeciency simultaneously, has played the effect that reduces the energy consumption, improves treatment effeciency, energy saving, reduce cost.
Description
Technical field
The utility model relates to a kind of device utilizing electrostatic adhesion to purify high-salt wastewater.
Background technology
High-salt wastewater refers to the waste water of saliferous massfraction at least 1%, mainly comes from the collection processing of chemical plant and oil and natural gas.Current mainly utilize salt ion in physicochemical method process high-salt wastewater as distillation method, electroosmose process, ion exchange method, reverse osmosis method etc., but the deficiency of the equal various degrees of these water treatment desalination technology, observable index required for distillation method is higher, and ion exchange method does not have an economy, resin easily reaches capacity, and regeneration costly.And need the refining plant that cost is low, adsorption efficiency is high badly.
Utility model content
An object of the present utility model solves at least the problems referred to above and/or defect, and provide the advantage will illustrated at least below.
The utility model also has an object to be to provide a kind of device utilizing electrostatic adhesion to purify high-salt wastewater, the utility model special has on the electrode of metal conducting layer by being added in by low-voltage dc voltage, namely electric field is formed between metal conducting layer, when high-salt wastewater flows through between two electrodes, namely the positively charged ion in high-salt wastewater and Anion separation on metal conducting layer, then the physical adsorbability of electroconductibility that glass layer is good and activated carbon fiber layers is utilized, zwitterion is adsorbed on respectively on the electrode defining positive pole and negative pole, salts contg in high-salt wastewater is reduced greatly, well can reach the effect removing high-content salt in waste water, and by solar panels generate energy, be connected with power supply, solve the problem that energy consumption is higher.
For this reason, the technical scheme that the utility model provides is:
Utilize electrostatic adhesion to purify a device for high-salt wastewater, comprising:
Water treatment device, it container comprising a rectangle and the multiple electrodes be arranged in described container, described multiple electrode is crisscross arranged on described container first side and the second side, described first side and the second side are oppositely arranged, and be positioned at positive pole and the negative pole that described electrode on described first side and the described electrode be positioned on described second side be connected power supply respectively, the 3rd side of described container and the 4th side offer water-in and water port respectively;
Wherein, described electrode comprises glass layer, activated carbon fiber layers and metal conducting layer from outside to inside successively.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, and described multiple electrode vertical be arranged in parallel in the first side of described container and the second side.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, and described multiple electrode is 0.5 ~ 0.7m along the interval between the direction that current flow, and described multiple electric limit makes a snakelike water-flowing path.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, and the thickness of described glass layer is 2cm, and the thickness of described activated carbon fiber layers is also 2cm, and the thickness of described metal conducting layer is 3 ~ 5cm.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, and described power supply is also connected with solar panels.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, and the voltage that described power supply provides is 2V.
Preferably, the described electrostatic adhesion that utilizes purifies the device of high-salt wastewater, also comprises:
Water feed apparatus, it water pump comprising water tank and be communicated with described water tank, described water tank is communicated with the water-in of described container, and the height of described water tank in the vertical direction is higher than the height of described water-in.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, is 0.5 ~ 0.6m/min by the flow velocity of described water-in and described water port.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, and described water-in and described water port place are respectively arranged with water intaking valve and water discharge valve successively.
Preferably, the described electrostatic adhesion that utilizes purifies in the device of high-salt wastewater, is provided with conductivity meter, is also provided with conductivity meter between described water port and described water discharge valve between described water-in and described water intaking valve.
The utility model at least comprises following beneficial effect:
When high-salt wastewater flows through in device of the present utility model, positively charged ion in high-salt wastewater and negatively charged ion are subject to the effect of metal conducting layer Electrode Field power, positively charged ion moves on the electrode of formation negative pole, and negatively charged ion moves on the electrode of formation positive pole, when zwitterion is near positive and negative electrode, be subject to the adsorption of activated carbon fiber layers, ion has just been adsorbed on glass layer tightly, serve the effect of separated salt ion, and be in outer field glass layer and can play corrosion-resisting function.
The utility model adopts new electrode materials to utilize the conductivity of metal electrode layer, and in conjunction with the erosion resistance of glass layer and the good adsorbent performance of activated carbon fiber layers, effectively extend the action time of activated carbon fiber layers, its removal efficiency is about 60%.
This device not only can dissolved salts in planar water, charged bacterium and organism particulate can also be removed, can be used in the process water of the industry such as water conservancy project, electric power and the wastewater treatment of all trades and professions, clear effective and running cost is low, show superpower competitive power.
The electrostatic field that the low voltage that the utility model utilizes solar panels to produce provides, to process high-salt wastewater, adopts new electrode materials to improve processing efficiency simultaneously, serves to reduce energy consumption, improve processing efficiency, save energy, the effect that reduces costs.
Part is embodied by explanation below by other advantage of the present utility model, target and feature, part also will by research and practice of the present utility model by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the two dimensional structure schematic diagram utilizing electrostatic adhesion to purify the device of high-salt wastewater described in the utility model.
Fig. 2 is the two dimensional structure schematic diagram of electrode described in the utility model.
Fig. 3 is the schematic diagram that in one of them embodiment of the utility model, current flow through described water treatment device.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, can implements according to this with reference to specification sheets word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of device utilizing electrostatic adhesion to purify high-salt wastewater, comprising:
Water treatment device 7, it container comprising a rectangle and the multiple electrodes 2 be arranged in described container, described multiple electrode 2 is crisscross arranged on relative the first side of described container and the second side, described first side and the second side are oppositely arranged, and be positioned at positive pole and the negative pole that described electrode 2 on described first side and the described electrode 2 be positioned on described second side be connected power supply respectively, the 3rd side of described container and the 4th side offer water-in and water port respectively;
Wherein, described electrode 2 is outer comprises glass layer 11, activated carbon fiber layers 10 and metal conducting layer 4 successively to interior.It should be known that electrode can for circular, also can be rectangle, glass layer 11, activated carbon fiber layers 10 and metal conducting layer 4 can be tabular, also can be cylindrical.
The structure of electrode 2 of the present invention comprises glass layer 11, activated carbon fiber layers 10 and metal conducting layer 4 from outside to inside successively, activated carbon fiber layers 10 pairs of ions have very strong adsorptivity, and glass layer 11 corrosion resistance nature is good, be conducive to the service efficiency improving activated carbon fiber.
After being electrified, the electrode 2 be arranged on the first side of container and the second side forms electric field, and between multiple electrode 2, also form a water-flowing path, like this, when high-salt wastewater flows through in water treatment device, positively charged ion in high-salt wastewater and negatively charged ion are subject to the effect of metal conducting layer Electrode Field power, positively charged ion moves on the electrode 2 of formation negative pole, and negatively charged ion moves on the electrode 2 of formation positive pole, when zwitterion is near positive and negative electrode, be subject to the adsorption of activated carbon fiber layers 10, ion has just been adsorbed on glass layer 11 tightly, serve the effect of separated salt ion, be in outer field glass layer 11 and can play corrosion-resisting function.
In one of them embodiment of the present utility model, as preferably, described multiple electrode 2 be arranged in parallel perpendicular to the first side of described container and the second side.To increase the contact area of current and electrode as wide as possible.
In one of them embodiment of the present utility model, as preferably, the thickness of described glass layer 11 is 2cm, and the thickness of described activated carbon fiber layers 10 is also 2cm, and the thickness of described metal conducting layer 4 is 3 ~ 5cm.
In one of them embodiment of the present utility model, as preferably, described multiple electrode 2 is 0.5 ~ 0.7m along the interval between the direction that current flow, and described multiple electrode 2 limits a snakelike water-flowing path.To flow in water treatment device longer path to make high-salt wastewater.
In one of them embodiment of the present utility model, as preferably, described power supply is also connected with solar panels 1.When direct supply positive and negative electrode respectively in parallel connect be arranged in parallel electrode 2 after, between first side and the second side of container, just define electrostatic field.Salt ion in the high-salt wastewater of at this moment flowing between electrode 2, has stayed opposite polarity ate electrode with it respectively, has served the effect of separated salt ion.Further, the energy utilizing solar panels 1 to produce to process high-salt wastewater, to save the energy.
In one of them embodiment of the present utility model, as preferably, the voltage that described power supply provides is 2V.
In one of them embodiment of the present utility model, as preferably, also comprise:
Water feed apparatus, it water pump 12 comprising water tank 13 and be communicated with described water tank 13, described water tank 13 is communicated with the water-in of described container, and described water tank 13 height is in the horizontal plane higher than the height of described water-in.High-salt wastewater is extracted in water tank 12 by water pump 13.
In one of them embodiment of the present utility model, as preferably, be 0.5 ~ 0.6m/min by the flow velocity of described water-in and described water port.
In one of them embodiment of the present utility model, as preferably, described water-in and described water port place are respectively arranged with water intaking valve 6 and water discharge valve 9 successively.
In such scheme, as preferably, between described water-in and described water intaking valve, be provided with conductivity meter, between described water port and described water discharge valve, be also provided with conductivity meter 14.
In one of them embodiment of the present utility model, as shown in Figure 1, Figure 2 and Figure 3, the electrode 2 of the first side is accessed positive source, second lateral electrode 2 accesses power cathode, connect rear access solar panels, open under solar panels 1 are placed in sunlight, make each cube electrode 2 can connect DC low-voltage and remain on about 2V, because overtension can produce hydrogen and oxygen by facilitation of hydrolysis, increase unnecessary cost; The water inlet flow velocity of water intaking valve 6 of water inlet control well at about 0.56m/min, to ensure sufficient hydraulic detention time, avoids water intermediate ion unreacted just to flow out.
After high-salt wastewater (concentration is generally about 20g/L) flows through water-in under the effect of water pump 12 from water tank, enter water treatment device 7, positively charged ion in high-salt wastewater and negatively charged ion are subject to the effect of metal conducting layer Electrode Field power, positively charged ion moves toward negative plate, negatively charged ion moves toward positive plate, when zwitterion is near positive/negative plate, be subject to the adsorption of activated carbon fiber layers 10, ion has just been adsorbed on activated carbon fiber layers 10 tightly, serve the effect of separated salt ion, be in outer field glass layer 11 and play corrosion-resisting function.
High-salt wastewater is when snake type water-flowing path flows to water discharge valve 9, and according to the value of flooding quantity, suitable opening water discharge valve 9, makes treated high-salt wastewater can with a suitable flow velocity, namely with flow velocity about 0.56m/min discharger.
The specific conductivity flowed out in water is measured, Cl in specific conductivity and high-salt wastewater with conductivity meter
-concentration proportional, concentration relationship is roughly expressed as Y=2.344X+65.29 (wherein X represents chlorine ion concentration mg/L, and Y is specific conductivity μ S/cm).When high-salt wastewater concentration is 20mg/L, specific conductivity is about 5*10
2ms/cm, subsequently under the adsorption of electrode, specific conductivity reduces gradually, and when high-salt wastewater concentration is lower than 2mg/L, specific conductivity drops to 5ms/cm.If namely specific conductivity is illustrating in sharply increasing trend electrode have accumulated saturated zwitterion sometime, clean water after water-in passes into process, electrode is carried out reversal connection under original voltage conditions, the ion be adsorbed on electrode is made to be shed in water under electrical forces effect, conductivity meter is measured and is flowed out specific conductivity in wash-down water simultaneously, to determine whether electrode back flushing completes, when specific conductivity in wash-down water is higher than when rinsing the 10%-20% of electrical conductivity of water, can illustrate that the process of coming off completes substantially, then powered-down and water discharge valve.This sample device greatly achieves recycling of activated carbon fiber layers, achieves the ability of the sustainable process high-salt wastewater of activated carbon fiber layers.
The most crucial parts of this device are electrode 2, this member electrode 2 be set to into the flow direction of water solution and the direction of extra electric field vertical, ionic adsorption process roughly can be divided into following three phases: first stage ion moves in the solution of surrounding them, negative ion in positive pole adsorbing electrolyte solution, negative pole attracts positive ion, thus forms electrostatic double layer; Due to the relation of electrostatic double layer on electrode, ion is adsorbed to electrode surface gradually.In subordinate phase, As time goes on ion can carry out more further hole internal adsorption, and this process is the critical stage of absorption, and activated carbon fiber layers aperture is micropore and sub-micro hole, and namely pore size is less than 2nm.Phase III is ion migration and the process that comes off, and process of charging electronics passes to negative pole by external power from positive pole, and meanwhile, the ion in electrolytic solution also migrates to two electrode surfaces respectively; Under equal voltage conditions, according to the water quality and quantity etc. in trade effluent, when on water side, conductivity meter index is obvious ascendant trend, discharge process electronics moves to positive pole by load from negative pole, and negative ions departs from electrode surface release and returns in electrolytic solution.
High-salt wastewater ions content complexity checks difficulty respectively, and this device is respectively arranged with conductivity meter in water inlet place and water outlet place, is carried out the change of inorganic ion concentration in secondary indication solution by the variation tendency measuring specific conductivity.By the difference of the intake specific conductivity of solution and the specific conductivity of aqueous solution, the desalting efficiency in electro-adsorption process and adsorptive capacity can be calculated.Desalting efficiency can be tried to achieve by following formula:
η＝(C
0-C)/C*100％
In formula,
The specific conductivity of C---aqueous solution, μ s/cm
C
0---the specific conductivity of water inlet solution, μ s/cm
Desalination amount is tried to achieve by following formula:
q
e＝Qt(Y
0-Y
e)/1000m
ACF＝Qt(C
0-C)/(1930.8*m
ACF)
In formula:
M---the quality of activated carbon fiber in Galvanosorptive reaction device, g
C
0---the specific conductivity of water inlet solution, μ s/cm
C
e---water outlet conductivity during adsorption equilibrium, μ s/cm
Q---flooding velocity, ml/min
T---reach the time that adsorption equilibrium is used, min
Y
0---water inlet strength of solution, mg/L
Y
e---aqueous concentration during adsorption equilibrium, mg/L
Q
e---the adsorptive capacity of activity per unit weight Carbon fibe electrode, mg/g.
This device is according to mixing flow reactor (i.e. CSTR type of reactor) completely, high-salt wastewater content as Chemical Manufacture is generally 20g/L, and the saltiness of plant emissions water outlet is no more than 2g/L, removal efficiency should meet and reaches 90%, can reach removal effect completely.
In this device, electrode 2 is a kind of novel metal electrode materialss combined by glass layer 11 and activated carbon fiber layers 10, adds activated carbon fiber layers 10 outside metal conducting layer, and outermost layer is glass layer 10.Activated carbon fiber layers 10 pairs of ions have very strong adsorptivity, and glass layer 11 corrosion resistance nature is good, for improving the erosion resistance of electrode 2, have the service efficiency utilizing and improve activated carbon fiber layers 10.Activated carbon fiber layers 10 and glass layer 11 thickness are 2cm, and metal conducting layer 4, without specific requirement, is generally 3-5cm.Distance between adjacent positive/negative plate is installed according to the shortest distance (0.5-0.7m) of construction, water intaking valve 6, water discharge valve 9 all adopt butterfly valve, water treatment device 7 adopts skeleton construction, the simple constructability of structure is cheap, and in water channel overall length, the length of snake type water-flowing path accounts for 80% of water channel total length.
Here the module number illustrated and treatment scale are used to simplify explanation of the present utility model.The application of electrode of the present utility model and water treatment device etc., modifications and variations be will be readily apparent to persons skilled in the art.
The electrostatic field that the low voltage that the utility model utilizes solar panels to produce provides, to process high-salt wastewater, adopts new electrode materials to improve processing efficiency simultaneously, serves to reduce energy consumption, improve processing efficiency, save energy, the effect that reduces costs.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in specification sheets and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (10)
1. utilize electrostatic adhesion to purify a device for high-salt wastewater, it is characterized in that, comprising:
Water treatment device, it container comprising a rectangle and the multiple electrodes be arranged in described container, described multiple electrode is crisscross arranged on described container first side and the second side, described first side and the second side are oppositely arranged, and be positioned at positive pole and the negative pole that described electrode on described first side and the described electrode be positioned on described second side be connected power supply respectively, the 3rd side of described container and the 4th side offer water-in and water port respectively;
Wherein, described electrode comprises glass layer, activated carbon fiber layers and metal conducting layer from outside to inside successively.
2. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 1, it is characterized in that, described multiple electrode vertical be arranged in parallel in the first side of described container and the second side.
3. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 1, it is characterized in that, described multiple electrode is 0.5 ~ 0.7m along the interval between the direction that current flow, and described multiple electric limit makes a snakelike water-flowing path.
4. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 1, it is characterized in that, the thickness of described glass layer is 2cm, and the thickness of described activated carbon fiber layers is also 2cm, and the thickness of described metal conducting layer is 3 ~ 5cm.
5. the electrostatic adhesion that utilizes as described in as arbitrary in Claims 1-4 purifies the device of high-salt wastewater, and it is characterized in that, described power supply is also connected with solar panels.
6. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 1, it is characterized in that, the voltage that described power supply provides is 2V.
7. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 1, it is characterized in that, also comprise:
Water feed apparatus, it water pump comprising water tank and be communicated with described water tank, described water tank is communicated with the water-in of described container, and the height of described water tank in the vertical direction is higher than the height of described water-in.
8. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 1, it is characterized in that, be 0.5 ~ 0.6m/min by the flow velocity of described water-in and described water port.
9. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 1, it is characterized in that, described water-in and described water port place are respectively arranged with water intaking valve and water discharge valve successively.
10. utilize electrostatic adhesion to purify the device of high-salt wastewater as claimed in claim 9, it is characterized in that, between described water-in and described water intaking valve, be provided with conductivity meter, between described water port and described water discharge valve, be also provided with conductivity meter.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935134A (en) * | 2017-11-29 | 2018-04-20 | 广西博点旅游产业发展有限公司 | A kind of energy saving irrigation water treatment facilities |
| CN112225298A (en) * | 2020-10-22 | 2021-01-15 | 骆驼集团(安徽)再生资源有限公司 | High-salinity wastewater purification treatment process for recycling lead-acid battery |
| CN114602298A (en) * | 2017-03-31 | 2022-06-10 | 三菱重工业株式会社 | Drainless exhaust gas treatment system and drainless exhaust gas treatment method |
-
2015
- 2015-10-28 CN CN201520844033.4U patent/CN205076856U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114602298A (en) * | 2017-03-31 | 2022-06-10 | 三菱重工业株式会社 | Drainless exhaust gas treatment system and drainless exhaust gas treatment method |
| CN107935134A (en) * | 2017-11-29 | 2018-04-20 | 广西博点旅游产业发展有限公司 | A kind of energy saving irrigation water treatment facilities |
| CN112225298A (en) * | 2020-10-22 | 2021-01-15 | 骆驼集团(安徽)再生资源有限公司 | High-salinity wastewater purification treatment process for recycling lead-acid battery |
| CN112225298B (en) * | 2020-10-22 | 2022-06-24 | 骆驼集团(安徽)再生资源有限公司 | High-salinity wastewater purification treatment process for recycling lead-acid battery |
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