CN112299534A - Efficient special wastewater treatment and water mist recovery device and recovery method - Google Patents
Efficient special wastewater treatment and water mist recovery device and recovery method Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 239000003595 mist Substances 0.000 title claims abstract description 165
- 238000011084 recovery Methods 0.000 title claims abstract description 106
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 53
- 239000010935 stainless steel Substances 0.000 claims abstract description 46
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 39
- 229910052802 copper Inorganic materials 0.000 claims abstract description 39
- 239000010949 copper Substances 0.000 claims abstract description 39
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 39
- 239000010439 graphite Substances 0.000 claims abstract description 39
- 229920000767 polyaniline Polymers 0.000 claims abstract description 32
- 150000002500 ions Chemical class 0.000 claims description 72
- 239000002351 wastewater Substances 0.000 claims description 32
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 18
- 230000005684 electric field Effects 0.000 claims description 17
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 238000003795 desorption Methods 0.000 claims description 8
- 230000005686 electrostatic field Effects 0.000 claims description 8
- 238000010612 desalination reaction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 7
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- 238000002484 cyclic voltammetry Methods 0.000 claims description 6
- 238000009713 electroplating Methods 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 6
- 239000012498 ultrapure water Substances 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 238000005188 flotation Methods 0.000 claims description 2
- 239000012528 membrane Substances 0.000 description 6
- 239000004519 grease Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012267 brine Substances 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000007646 directional migration Effects 0.000 description 1
- 238000000909 electrodialysis Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
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- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Analytical Chemistry (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a high-efficiency special wastewater treatment and water mist recovery device, which comprises a water mist generation device, an ion removal device and a water mist recovery device which are sequentially connected through a hollow pipe, wherein the ion removal device comprises a copper polar plate and a graphite polar plate which are arranged in parallel, the copper polar plate is connected with a negative electrode of an external direct-current power supply, and the graphite polar plate is connected with a positive electrode of the external direct-current power supply; the water mist recovery device is of a cylindrical structure, a 316L stainless steel mesh enclosure for modifying polyaniline is arranged in the water mist recovery device close to an opening position at the upper end, a high-conductivity negative knife beam is arranged in the water mist recovery device close to a middle position and is inclined downwards, the tip of the high-conductivity negative knife beam discharges upwards, the stainless steel mesh enclosure is connected with the positive electrode of an external extra-high voltage direct current power supply, and the negative electrode of the extra-high voltage direct current power supply is connected with the high-conductivity negative knife beam. The invention also discloses a recovery method of the wastewater treatment and water mist recovery device. The invention solves the problems of high water body treatment cost and great difficulty in the prior art.
Description
Technical Field
The invention belongs to the technical field of electric field adsorption, and particularly relates to an efficient special wastewater treatment and water mist recovery device.
Background
Water is an indispensable resource for various social activities such as human production, life and the like, but the problem of water pollution in China is increasingly aggravated. Particularly, the desalination treatment and recovery of strong brine in arid regions have great problems, and the wastewater is rich in Na+、Ca2+、Cl-And other ions have extremely high salt content, so that biochemical treatment is difficult to perform. The existing treatment methods such as multi-effect evaporation, reverse osmosis membrane method and electrodialysis method cannot be applied in large-scale industrialization due to small treatment amount and extremely high cost.
Disclosure of Invention
The invention aims to provide an efficient special wastewater treatment and water mist recovery device, which solves the problems of high water body treatment cost and high difficulty in the prior art.
The invention also aims to provide a recovery method of the high-efficiency special wastewater treatment and water mist recovery device.
The invention adopts a first technical scheme that the high-efficiency special wastewater treatment and water mist recovery device comprises a water mist generating device, an ion removing device and a water mist recovery device which are sequentially connected through a hollow pipe, wherein the water mist generating device is a water mist generator, the ion removing device comprises a copper polar plate and a graphite polar plate which are arranged in parallel, the copper polar plate is connected with a negative pole of an external direct-current power supply, and the graphite polar plate is connected with a positive pole of the external direct-current power supply; the water mist recovery device is of a cylindrical structure, the upper end of the water mist recovery device is communicated with an opening, the lower end of the water mist recovery device is sealed so as to receive water drops, a 316L stainless steel mesh enclosure for modifying polyaniline is arranged at a position, close to the opening at the upper end, inside of the water mist recovery device, an insulating support base is arranged below a middle position, close to the middle position, inside of the water mist recovery device, a high-conductivity negative knife beam is arranged on the insulating support base, the tip of the high-conductivity negative knife beam discharges upwards, the 316L stainless steel mesh enclosure for modifying polyaniline is connected with the positive electrode of an external extra-high voltage direct current power.
The first technical aspect of the present invention is also characterized in that,
the copper polar plate and the graphite polar plate are both parallel to the hollow pipe and are attached to the inner wall of the hollow pipe.
The distance between the copper polar plate and the graphite polar plate is 0.3mm-1mm, and the lengths of the copper polar plate and the graphite polar plate are 15-20 cm.
The tip of the high-conductivity negative knife beam is aligned with the center of the 316L polyaniline-modified stainless steel mesh enclosure, the maximum diameter of the plane of the polyaniline-modified 316L stainless steel mesh enclosure is equal to the inner diameter of the cylindrical structure, and the thickness of the tube wall of the cylindrical structure is 1/400-1/100 of the tube diameter.
The caliber of the knife beam cutting edge of the high-conductivity negative knife beam is 0.1-0.15mm, the knife length is 1-2mm, and the distance between the knife beam and the top end of the mesh enclosure is 25-35 cm.
The second technical scheme adopted by the invention is that the recovery method of the high-efficiency special wastewater treatment and water mist recovery device is based on the high-efficiency special wastewater treatment and water mist recovery device and is implemented according to the following steps:
step 1, injecting wastewater to be treated into a water mist generating device, and atomizing the wastewater into high-concentration water vapor;
3, when the electrifying time is over, the charges of the two polar plates can be neutralized, and ions are separated from the polar plates due to the loss of the charge attraction, so that the desorption effect is realized;
and 4, diffusing the deionized clean water mist into the water mist recovery device from a water mist inlet along a device pipeline under the action of air flotation force, electrifying an external ultrahigh-voltage direct-current power supply, carrying out corona discharge on a high-voltage electrostatic field, ionizing air molecules into positive ions, negative ions and electrons, transferring the positive ions due to charge attraction, neutralizing the top end of a knife beam with negative charges, accelerating the movement of the negative ions along an electric field line to a 316L stainless steel mesh cover which is hemispherical and used for modifying polyaniline, colliding with the water mist diffused to the negative charges in the moving process, gathering a large amount of water mist with negative charges into liquid drops at the positive pole, and finally falling to a cylindrical water drop recovery part under the action of gravity, thereby recycling the wastewater.
The second technical aspect of the present invention is also characterized in that,
in step 2, the external direct current power supply is electrified to ensure that the electric field intensity is 3.0 multiplied by 104—3.3×104V·m-1The electrifying time is 30-40 min.
And 4, when the externally connected extra-high voltage direct current power supply is electrified, the power supply voltage is 30KV-80 KV.
The 316L stainless steel mesh enclosure for modifying polyaniline is prepared by the following steps:
step a, selecting a stainless steel wire mesh with the wire diameter of 6-8 mu m and H with the volume fraction of 1.5-2%2O2Removing surface grease in a medium water bath for 1-2h, taking out the membrane and washing with ultrapure water;
step b, preparing electroplating solution: 0.3-0.4mol/L sulfuric acid, 0.15-0.2mol/L oxalic acid, 0.15-0.2mol/L glycol, 0.4-0.42mol/L aniline, and 0.0015-0.002g/L sodium dodecyl sulfate.
And c, modifying polyaniline, wherein the scanning voltage of a three-electrode system by adopting a cyclic voltammetry is 0.2-1.2v, the scanning amplitude is 0.05, and the scanning turns are 400-500 to obtain the 316L stainless steel mesh enclosure for modifying the polyaniline.
The invention has the advantages that the technology of treating and recovering the wastewater is carried out by utilizing the high-efficiency special wastewater treatment and recovery device, the water mist generation device is used for carrying out atomization treatment on the high-concentration special wastewater, the electric field is used for inducing the ion to directionally migrate and removing the ions in the water mist, the electrostatic field water mist recovery device is used for recovering the clean water mist, when the wastewater is treated, the operation is convenient, the structure of the device is simple, the pollution degree to the environment is small, the deep treatment of the difficultly degraded wastewater can be realized only by consuming electric energy in the treatment process without other modes such as adding chemical substances and the like, and simultaneously, the high-efficiency recovery and reutilization of water resources can be realized, thereby saving the water resources to the maximum extent.
Drawings
FIG. 1 is a schematic view of a high efficiency special wastewater treatment and water mist recovery apparatus according to the present invention;
FIG. 2 is a schematic view of an ion removal unit of an efficient special wastewater treatment and water mist recovery unit according to the present invention;
FIG. 3 is a schematic structural view of a water mist recovery device in the high-efficiency special wastewater treatment and water mist recovery device of the invention.
In the figure, 1, a water mist generator, 2, a direct current power supply, 3, a copper polar plate, 4, a graphite polar plate, 5, a 316L stainless steel mesh cover for modifying polyaniline, 6, a special high-voltage direct current power supply, 7, a high-conductivity negative knife beam and 8, an insulating support base.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention relates to a high-efficiency special wastewater treatment and water mist recovery device, which is structurally shown in figures 1-3 and comprises a water mist generation device, an ion removal device and a water mist recovery device which are sequentially connected through a hollow pipe, wherein the water mist generation device is a water mist generator 1, the ion removal device comprises a copper polar plate 3 and a graphite polar plate 4 which are arranged in parallel, the copper polar plate 3 is connected with the negative electrode of an external direct-current power supply 2, and the graphite polar plate 4 is connected with the positive electrode of the external direct-current power supply 2; the water mist recovery device is of a cylindrical structure, the upper end of the water mist recovery device penetrates through the opening, the lower end of the water mist recovery device is closed so as to receive water drops, a 316L stainless steel mesh cover 5 for modifying polyaniline is arranged at a position, close to the opening at the upper end, in the water mist recovery device, an insulating support base 8 is arranged below a middle position, close to the middle position, in the water mist recovery device, a high-conductivity negative knife beam 7 is arranged on the insulating support base 8, the tip of the high-conductivity negative knife beam 7 discharges upwards, the 316L stainless steel mesh cover 5 for modifying polyaniline is connected with the positive electrode of an external extra-high voltage direct current power supply 6, and the negative electrode.
The copper polar plate 3 and the graphite polar plate 4 are both parallel to the hollow pipe and are attached to the inner wall of the hollow pipe.
The distance between the copper polar plate 3 and the graphite polar plate 4 is 0.3mm-1mm, and the polar plate length of the copper polar plate 3 and the graphite polar plate 4 is 15-20 cm.
The tip of the high-conductivity negative knife beam 7 is aligned with the center of the 316L polyaniline-modified stainless steel mesh cover 5, the maximum plane diameter of the polyaniline-modified 316L stainless steel mesh cover 5 is equal to the inner diameter of the cylindrical structure, and the thickness of the tube wall of the cylindrical structure is 1/400-1/100 of the tube diameter.
The caliber of the knife beam cutting edge of the high-conductivity negative knife beam 7 is 0.1-0.15mm, the knife length is 1-2mm, and the distance between the knife beam and the top end of the mesh enclosure is 25-35 cm.
The invention relates to a recovery method of a high-efficiency special wastewater treatment and water mist recovery device, which is based on the high-efficiency special wastewater treatment and water mist recovery device and is implemented according to the following steps:
step 1, injecting wastewater to be treated into a water mist generating device, and atomizing the wastewater into high-concentration water vapor;
in step 2, the external DC power supply 2 is electrified to make the electric field intensity 3.0 multiplied by 104—3.3×104V·m-1The electrifying time is 30-40 min.
3, when the electrifying time is over, the charges of the two polar plates can be neutralized, and ions are separated from the polar plates due to the loss of the charge attraction, so that the desorption effect is realized;
and 4, diffusing the deionized clean water mist into a water mist recovery device from a water mist inlet along a device pipeline under the action of air floatation force, electrifying an external ultrahigh-voltage direct-current power supply 6, carrying out corona discharge on a high-voltage electrostatic field, ionizing air molecules into positive ions, negative ions and electrons, wherein the positive ions migrate due to charge attraction and are neutralized at the top end of a knife beam with negative charges, the negative ions move towards the 316L stainless steel mesh cover 5 which is hemispherical and used for modifying polyaniline in an accelerating way along an electric field line and collide with the water mist diffused so far, so that the water mist is negatively charged, a large amount of water mist with negative charges is gathered into liquid drops at the positive electrode, and finally falls to a cylindrical water drop recovery part under the action of gravity, and thus the wastewater is recycled.
And 4, when the externally connected extra-high voltage direct current power supply 6 is electrified, the power supply voltage is 30KV-80 KV.
The polyaniline-modified 316L stainless steel mesh cover 5 was prepared by the following steps:
step a, selecting a stainless steel wire mesh with the wire diameter of 6-8 mu m and H with the volume fraction of 1.5-2%2O2Removing surface grease in a medium water bath for 1-2h, taking out the membrane and washing with ultrapure water;
step b, preparing electroplating solution: 0.3-0.4mol/L sulfuric acid, 0.15-0.2mol/L oxalic acid, 0.15-0.2mol/L glycol, 0.4-0.42mol/L aniline, and 0.0015-0.002g/L sodium dodecyl sulfate.
And c, modifying the polyaniline, wherein the scanning voltage of a three-electrode system by adopting a cyclic voltammetry method is 0.2-1.2v, the scanning amplitude is 0.05, and the scanning turns are 400-500 to obtain the 316L stainless steel mesh cover 5 for modifying the polyaniline.
This device is retrieved concentrated processing of strong brine, convenient operation, device simple structure, little to environmental pollution degree, not only realize the high-efficient recovery of water resource and recycle, accomplish moreover to the at utmost saving of water resource, alleviate regional water pressure.
The electric field has strong controllability on the directional migration treatment of ions, the operation is simple, and secondary pollution can not be generated on the wastewater to be treated. The upper and lower polar plates are electrified, the charges of the polar plates are increased to form a potential difference, positive ions migrate to the polar plate with negative electricity, and negative ions migrate to the polar plate with positive electricity, so that the adsorption of ions in the sewage is realized; after the adsorption is finished, the power is cut off, the charges of the two polar plates are neutralized, and the ion desorption is realized. Therefore, the invention combines the electric field induced ion migration technology with the high-voltage electrostatic field water mist recovery technology to realize the advanced treatment and the recycling of the high-concentration wastewater.
Atomizing wastewater to be treated into high-concentration water vapor by using a water mist generating device, diffusing the water vapor to an ion removing device, electrifying the device by using an external direct-current power supply, respectively adsorbing positive ions and negative ions by electrifying the two polar plates due to the flowing of electrons, and after the adsorption is finished, cutting off the power to ensure that the two polar plates release charges, mutually neutralizing the charges and eliminating an electric field to achieve the purpose of desorption of the ions; the clean water mist without ions is diffused to a water mist recovery device, a special high-voltage direct-current power supply is externally connected with the device, air molecules are ionized into positive ions, negative ions and electrons, the negative ions migrate to the stainless steel mesh with positive electricity and collide with the clean water mist diffused so far to be negatively charged, the water mist with negative electricity is gathered at the positive electrode to form water drops, and finally the water drops fall due to gravity to achieve the purpose of recovery.
Example 1
The invention relates to a high-efficiency special wastewater treatment and water mist recovery device, which is structurally shown in figures 1-3 and comprises a water mist generation device, an ion removal device and a water mist recovery device which are sequentially connected through a hollow pipe, wherein the water mist generation device is a water mist generator 1, the ion removal device comprises a copper polar plate 3 and a graphite polar plate 4 which are arranged in parallel, the copper polar plate 3 is connected with the negative electrode of an external direct-current power supply 2, and the graphite polar plate 4 is connected with the positive electrode of the external direct-current power supply 2; the water mist recovery device is of a cylindrical structure, the upper end of the water mist recovery device penetrates through the opening, the lower end of the water mist recovery device is closed so as to receive water drops, a 316L stainless steel mesh cover 5 for modifying polyaniline is arranged at a position, close to the opening at the upper end, in the water mist recovery device, an insulating support base 8 is arranged below a middle position, close to the middle position, in the water mist recovery device, a high-conductivity negative knife beam 7 is arranged on the insulating support base 8, the tip of the high-conductivity negative knife beam 7 discharges upwards, the 316L stainless steel mesh cover 5 for modifying polyaniline is connected with the positive electrode of an external extra-high voltage direct current power supply 6, and the negative electrode.
The copper polar plate 3 and the graphite polar plate 4 are both parallel to the hollow pipe and are attached to the inner wall of the hollow pipe.
The distance between the copper polar plate 3 and the graphite polar plate 4 is 0.3mm, and the polar plate length of the copper polar plate 3 and the graphite polar plate 4 is 15 cm.
The tip of the high-conductivity negative knife beam 7 is aligned with the center of the 316L polyaniline-modified stainless steel mesh cover 5, the maximum plane diameter of the polyaniline-modified 316L stainless steel mesh cover 5 is equal to the inner diameter of the cylindrical structure, and the thickness of the tube wall of the cylindrical structure is 1/400 of the tube diameter.
The caliber of the cutting edge of the knife beam of the high-conductivity negative knife beam 7 is 0.1mm, the knife length is 1mm, and the distance between the knife beam and the top end of the mesh enclosure is 25 cm.
The invention relates to a recovery method of a high-efficiency special wastewater treatment and water mist recovery device, which is based on the high-efficiency special wastewater treatment and water mist recovery device and is implemented according to the following steps:
step 1, injecting wastewater to be treated into a water mist generating device, and atomizing the wastewater into high-concentration water vapor;
in step 2, the external DC power supply 2 is electrified to make the electric field intensity 3.0 multiplied by 104V·m-1The energization time was 30 min.
3, when the electrifying time is over, the charges of the two polar plates can be neutralized, and ions are separated from the polar plates due to the loss of the charge attraction, so that the desorption effect is realized;
and 4, diffusing the deionized clean water mist into a water mist recovery device from a water mist inlet along a device pipeline under the action of air floatation force, electrifying an external ultrahigh-voltage direct-current power supply 6, carrying out corona discharge on a high-voltage electrostatic field, ionizing air molecules into positive ions, negative ions and electrons, wherein the positive ions migrate due to charge attraction and are neutralized at the top end of a knife beam with negative charges, the negative ions move towards the 316L stainless steel mesh cover 5 which is hemispherical and used for modifying polyaniline in an accelerating way along an electric field line and collide with the water mist diffused so far, so that the water mist is negatively charged, a large amount of water mist with negative charges is gathered into liquid drops at the positive electrode, and finally falls to a cylindrical water drop recovery part under the action of gravity, and thus the wastewater is recycled.
And 4, when the externally connected extra-high voltage direct current power supply 6 is electrified, the power supply voltage is 30 KV.
The polyaniline-modified 316L stainless steel mesh cover 5 was prepared by the following steps:
step a, selecting a stainless steel wire mesh with the wire diameter of 6 mu m and H with the volume fraction of 1.5 percent2O2Removing surface grease in a medium water bath for 1h, taking out the membrane and then washing with ultrapure water;
step b, preparing electroplating solution, 0.3mol/L sulfuric acid, 0.15mol/L oxalic acid, 0.15mol/L glycol, 0.4mol/L aniline and 0.0015g/L sodium dodecyl sulfate.
And c, modifying the polyaniline, wherein the scanning voltage of a three-electrode system by adopting a cyclic voltammetry is 0.2v, the scanning amplitude is 0.05, and the number of scanning turns is 400 circles, so that the 316L stainless steel mesh cover 5 for modifying the polyaniline is prepared.
Example 2
The invention relates to a high-efficiency special wastewater treatment and water mist recovery device, which is structurally shown in figures 1-3 and comprises a water mist generation device, an ion removal device and a water mist recovery device which are sequentially connected through a hollow pipe, wherein the water mist generation device is a water mist generator 1, the ion removal device comprises a copper polar plate 3 and a graphite polar plate 4 which are arranged in parallel, the copper polar plate 3 is connected with the negative electrode of an external direct-current power supply 2, and the graphite polar plate 4 is connected with the positive electrode of the external direct-current power supply 2; the water mist recovery device is of a cylindrical structure, the upper end of the water mist recovery device penetrates through the opening, the lower end of the water mist recovery device is closed so as to receive water drops, a 316L stainless steel mesh cover 5 for modifying polyaniline is arranged at a position, close to the opening at the upper end, in the water mist recovery device, an insulating support base 8 is arranged below a middle position, close to the middle position, in the water mist recovery device, a high-conductivity negative knife beam 7 is arranged on the insulating support base 8, the tip of the high-conductivity negative knife beam 7 discharges upwards, the 316L stainless steel mesh cover 5 for modifying polyaniline is connected with the positive electrode of an external extra-high voltage direct current power supply 6, and the negative electrode.
The copper polar plate 3 and the graphite polar plate 4 are both parallel to the hollow pipe and are attached to the inner wall of the hollow pipe.
The distance between the copper polar plate 3 and the graphite polar plate 4 is 1mm, and the polar plate length of the copper polar plate 3 and the graphite polar plate 4 is 20 cm.
The tip of the high-conductivity negative knife beam 7 is aligned with the center of the 316L polyaniline-modified stainless steel mesh cover 5, the maximum plane diameter of the polyaniline-modified 316L stainless steel mesh cover 5 is equal to the inner diameter of the cylindrical structure, and the thickness of the tube wall of the cylindrical structure is 1/100 of the tube diameter.
The caliber of the cutting edge of the knife beam of the high-conductivity negative knife beam 7 is 0.15mm, the knife length is 2mm, and the distance between the knife beam and the top end of the mesh enclosure is 35 cm.
The invention relates to a recovery method of a high-efficiency special wastewater treatment and water mist recovery device, which is based on the high-efficiency special wastewater treatment and water mist recovery device and is implemented according to the following steps:
step 1, injecting wastewater to be treated into a water mist generating device, and atomizing the wastewater into high-concentration water vapor;
in step 2, the external DC power supply 2 is electrified to make the electric field intensity 3.3 multiplied by 104V·m-1The energization time was 40 min.
3, when the electrifying time is over, the charges of the two polar plates can be neutralized, and ions are separated from the polar plates due to the loss of the charge attraction, so that the desorption effect is realized;
and 4, diffusing the deionized clean water mist into a water mist recovery device from a water mist inlet along a device pipeline under the action of air floatation force, electrifying an external ultrahigh-voltage direct-current power supply 6, carrying out corona discharge on a high-voltage electrostatic field, ionizing air molecules into positive ions, negative ions and electrons, wherein the positive ions migrate due to charge attraction and are neutralized at the top end of a knife beam with negative charges, the negative ions move towards the 316L stainless steel mesh cover 5 which is hemispherical and used for modifying polyaniline in an accelerating way along an electric field line and collide with the water mist diffused so far, so that the water mist is negatively charged, a large amount of water mist with negative charges is gathered into liquid drops at the positive electrode, and finally falls to a cylindrical water drop recovery part under the action of gravity, and thus the wastewater is recycled.
And 4, when the externally connected extra-high voltage direct current power supply 6 is electrified, the power supply voltage is 80 KV.
The polyaniline-modified 316L stainless steel mesh cover 5 was prepared by the following steps:
step a, selecting a stainless steel wire mesh with the wire diameter of 8 mu m and using the stainless steel wire mesh with the volume fraction of H of 2 percent2O2Removing surface grease in a medium water bath for 2h, taking out the membrane and then washing with ultrapure water;
step b, preparing electroplating solution, 0.4mol/L sulfuric acid, 0.2mol/L oxalic acid, 0.2mol/L glycol, 0.42mol/L aniline and 0.002g/L sodium dodecyl sulfate.
And c, modifying the polyaniline, wherein the scanning voltage of a three-electrode system by adopting a cyclic voltammetry is 1.2v, the scanning amplitude is 0.05, and the scanning turns are 500 circles, so that the 316L stainless steel mesh cover 5 for modifying the polyaniline is prepared.
Example 3
The invention relates to a high-efficiency special wastewater treatment and water mist recovery device, which is structurally shown in figures 1-3 and comprises a water mist generation device, an ion removal device and a water mist recovery device which are sequentially connected through a hollow pipe, wherein the water mist generation device is a water mist generator 1, the ion removal device comprises a copper polar plate 3 and a graphite polar plate 4 which are arranged in parallel, the copper polar plate 3 is connected with the negative electrode of an external direct-current power supply 2, and the graphite polar plate 4 is connected with the positive electrode of the external direct-current power supply 2; the water mist recovery device is of a cylindrical structure, the upper end of the water mist recovery device penetrates through the opening, the lower end of the water mist recovery device is closed so as to receive water drops, a 316L stainless steel mesh cover 5 for modifying polyaniline is arranged at a position, close to the opening at the upper end, in the water mist recovery device, an insulating support base 8 is arranged below a middle position, close to the middle position, in the water mist recovery device, a high-conductivity negative knife beam 7 is arranged on the insulating support base 8, the tip of the high-conductivity negative knife beam 7 discharges upwards, the 316L stainless steel mesh cover 5 for modifying polyaniline is connected with the positive electrode of an external extra-high voltage direct current power supply 6, and the negative electrode.
The copper polar plate 3 and the graphite polar plate 4 are both parallel to the hollow pipe and are attached to the inner wall of the hollow pipe.
The distance between the copper polar plate 3 and the graphite polar plate 4 is 0.7mm, and the polar plate length of the copper polar plate 3 and the graphite polar plate 4 is 18 cm.
The tip of the high-conductivity negative knife beam 7 is aligned with the center of the 316L polyaniline-modified stainless steel mesh cover 5, the maximum plane diameter of the polyaniline-modified 316L stainless steel mesh cover 5 is equal to the inner diameter of the cylindrical structure, and the thickness of the tube wall of the cylindrical structure is 1/300 of the tube diameter.
The caliber of the cutting edge of the knife beam of the high-conductivity negative knife beam 7 is 0.12mm, the knife length is 1.5mm, and the distance between the knife beam and the top end of the mesh enclosure is 30 cm.
The invention relates to a recovery method of a high-efficiency special wastewater treatment and water mist recovery device, which is based on the high-efficiency special wastewater treatment and water mist recovery device and is implemented according to the following steps:
step 1, injecting wastewater to be treated into a water mist generating device, and atomizing the wastewater into high-concentration water vapor;
in step 2, the external DC power supply 2 is electrified to make the electric field intensity 3.2 multiplied by 104V·m-1The energization time was 35 min.
3, when the electrifying time is over, the charges of the two polar plates can be neutralized, and ions are separated from the polar plates due to the loss of the charge attraction, so that the desorption effect is realized;
and 4, diffusing the deionized clean water mist into a water mist recovery device from a water mist inlet along a device pipeline under the action of air floatation force, electrifying an external ultrahigh-voltage direct-current power supply 6, carrying out corona discharge on a high-voltage electrostatic field, ionizing air molecules into positive ions, negative ions and electrons, wherein the positive ions migrate due to charge attraction and are neutralized at the top end of a knife beam with negative charges, the negative ions move towards the 316L stainless steel mesh cover 5 which is hemispherical and used for modifying polyaniline in an accelerating way along an electric field line and collide with the water mist diffused so far, so that the water mist is negatively charged, a large amount of water mist with negative charges is gathered into liquid drops at the positive electrode, and finally falls to a cylindrical water drop recovery part under the action of gravity, and thus the wastewater is recycled.
And 4, when the externally connected extra-high voltage direct current power supply 6 is electrified, the power supply voltage is 30KV-80 KV.
The polyaniline-modified 316L stainless steel mesh cover 5 was prepared by the following steps:
step a, selecting a stainless steel wire mesh with the wire diameter of 7 mu m and H with the volume fraction of 1.8 percent2O2Removing surface grease in a medium water bath for 1.5h, taking out the membrane and washing with ultrapure water;
step b, preparing electroplating solution, 0.35mol/L sulfuric acid, 0.18mol/L oxalic acid, 0.18mol/L glycol, 0.41mol/L aniline and 0.0017g/L sodium dodecyl sulfate.
And c, modifying the polyaniline, wherein the scanning voltage of a three-electrode system is 1v by adopting a cyclic voltammetry method, the scanning amplitude is 0.05, and the scanning turns are 450 circles, so that the 316L stainless steel mesh cover 5 for modifying the polyaniline is prepared.
Claims (9)
1. A high-efficiency special wastewater treatment and water mist recovery device is characterized by comprising a water mist generating device, an ion removing device and a water mist recovery device which are sequentially connected through a hollow pipe, wherein the water mist generating device is a water mist generator (1), the ion removing device comprises a copper polar plate (3) and a graphite polar plate (4) which are arranged in parallel, the copper polar plate (3) is connected with the negative electrode of an external direct current power supply (2), and the graphite polar plate (4) is connected with the positive electrode of the external direct current power supply (2); the water mist recovery device is of a cylindrical structure, the upper end of the water mist recovery device is communicated with an opening, the lower end of the water mist recovery device is sealed so as to receive water drops, a 316L stainless steel mesh cover (5) for modifying polyaniline is arranged at a position, close to the opening at the upper end, inside of the water mist recovery device, an insulating support base (8) is arranged below a middle position, close to the middle position, of the inside of the water mist recovery device, a high-conductivity negative knife beam (7) is arranged on the insulating support base (8), the tip of the high-conductivity negative knife beam (7) discharges upwards, the 316L stainless steel mesh cover (5) for modifying polyaniline is connected with the positive electrode of an external extra-high voltage direct current power supply (6), and the.
2. The efficient special wastewater treatment and water mist recovery device as claimed in claim 1, wherein the copper polar plate (3) and the graphite polar plate (4) are both parallel to the hollow pipe and attached to the inner wall of the hollow pipe.
3. The efficient special wastewater treatment and water mist recovery device as claimed in claim 1, wherein the distance between the copper plate (3) and the graphite plate (4) is 0.3mm-1mm, and the plate length of the copper plate (3) and the graphite plate (4) is 15-20 cm.
4. The efficient special wastewater treatment and water mist recovery device as claimed in claim 1, wherein the tip of the high-conductivity negative knife beam (7) is aligned with the center of the 316L polyaniline-modified stainless steel mesh enclosure (5), the maximum diameter of the plane of the polyaniline-modified 316L stainless steel mesh enclosure (5) is equal to the inner diameter of the cylindrical structure, and the thickness of the cylindrical structure tube wall is 1/400-1/100 of the tube diameter.
5. The efficient special wastewater treatment and water mist recovery device as claimed in claim 4, wherein the caliber of the cutting edge of the knife beam of the high-conductivity negative knife beam (7) is 0.1-0.15mm, the length of the knife is 1-2mm, and the distance between the knife beam and the top end of the mesh enclosure is 25-35 cm.
6. The recovery method of the high-efficiency special wastewater treatment and water mist recovery device is based on the high-efficiency special wastewater treatment and water mist recovery device according to claim 1, and is characterized by comprising the following steps of:
step 1, injecting wastewater to be treated into a water mist generating device, and atomizing the wastewater into high-concentration water vapor;
step 2, after the water vapor is diffused to the water mist generating device along the device pipeline through the water mist air inlet, an external direct current power supply (2) is electrified, electrons flow between the power supply and the polar plate, so that the graphite polar plate loses the electrons and is positively charged, the copper polar plate obtains the electrons and is negatively charged, and therefore the positive ions and the negative ions which are scattered in the water mist in a disordered way are adsorbed by the polar plate to be saturated due to the attraction of the opposite charges, and the wastewater desalination treatment is realized;
3, when the electrifying time is over, the charges of the two polar plates can be neutralized, and ions are separated from the polar plates due to the loss of the charge attraction, so that the desorption effect is realized;
and 4, diffusing the deionized clean water mist into a water mist recovery device from a water mist inlet along a device pipeline under the action of air flotation force, electrifying an external extra-high voltage direct current power supply (6), carrying out corona discharge on a high-voltage electrostatic field, ionizing air molecules into positive ions, negative ions and electrons, transferring the positive ions due to charge attraction, neutralizing the top end of a knife beam with negative charges, accelerating the movement of the negative ions along an electric field line to a hemispherical polyaniline-modified 316L stainless steel mesh enclosure (5), colliding with the water mist diffused so far in the moving process, enabling the water mist to be negatively charged, gathering a large amount of negatively charged water mist into liquid drops at the positive pole, and finally falling to a cylindrical water drop recovery part under the action of gravity, thereby recycling the waste water.
7. The method for recycling high-efficiency special wastewater treatment and water mist recycling device according to claim 6, wherein in the step 2, the external direct current power supply (2) is electrified to make the electric field strength 3.0 x 104—3.3×104V·m-1The electrifying time is 30-40 min.
8. The method for high-efficiency special wastewater treatment and water mist recovery device according to claim 6, wherein the power supply voltage is 30KV-80KV when the external extra-high voltage direct current power supply (6) in the step 4 is electrified.
9. The recovery method of high-efficiency special wastewater treatment and water mist recovery device according to claim 6, wherein the polyaniline-modified 316L stainless steel mesh enclosure (5) is prepared by the following steps:
step a, selecting a stainless steel wire mesh with the wire diameter of 6-8 mu m and H with the volume fraction of 1.5-2%2O2Removing surface oil in medium water bath for 1-2h, and collectingRinsing with ultrapure water after film discharge;
step b, preparing electroplating solution: 0.3-0.4mol/L sulfuric acid, 0.15-0.2mol/L oxalic acid, 0.15-0.2mol/L glycol, 0.4-0.42mol/L aniline, 0.0015-0.002g/L sodium dodecyl sulfate;
and c, modifying polyaniline, wherein the scanning voltage of a three-electrode system by adopting a cyclic voltammetry is 0.2-1.2v, the scanning amplitude is 0.05, and the scanning turns are 400-500 to obtain the 316L stainless steel mesh cover (5) for modifying polyaniline.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114411880A (en) * | 2022-03-09 | 2022-04-29 | 河南大学 | High-efficient fog collection device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008264748A (en) * | 2007-04-16 | 2008-11-06 | Nobuaki Debari | Seawater desalination device |
| CN101488574A (en) * | 2008-01-16 | 2009-07-22 | 中国科学院金属研究所 | Proton exchange film fuel cell stainless steel bi-polar plate and production thereof |
| CN102583666A (en) * | 2012-02-23 | 2012-07-18 | 重庆理工大学 | High pressure electrostatic type ion spraying type seawater demineralizer and seawater desalination method thereof |
| CN102951762A (en) * | 2012-11-16 | 2013-03-06 | 同济大学 | Method and system for preventing scales and improving recycling water quality of saliferous and oily wastewater thermal desalination |
| CN206924592U (en) * | 2017-07-24 | 2018-01-26 | 汪子涵 | A kind of haze air cleaning unit |
| CN108128854A (en) * | 2018-01-18 | 2018-06-08 | 昆明理工大学 | Method and device based on corona discharge coupling electrodialysis recycling brackish water |
| CN108163938A (en) * | 2018-01-09 | 2018-06-15 | 朱建华 | A kind of field-effect seawater desalination system |
| CN110102454A (en) * | 2019-04-26 | 2019-08-09 | 西安理工大学 | The preparation method and recyclable device of water mist recycling mesh enclosure are carried out using electrostatic field |
| CN110104715A (en) * | 2019-06-13 | 2019-08-09 | 东华理工大学 | A kind of small-sized separated type solar electrostatic atomization desalination plant and its method |
| CN210700621U (en) * | 2019-10-11 | 2020-06-09 | 中国人民解放军63810部队 | Air removes salt fog device |
| CN111559790A (en) * | 2020-05-21 | 2020-08-21 | 重庆工商大学 | Venturi type water mist discharge plasma pollutant treatment device |
-
2020
- 2020-10-30 CN CN202011189879.0A patent/CN112299534A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008264748A (en) * | 2007-04-16 | 2008-11-06 | Nobuaki Debari | Seawater desalination device |
| CN101488574A (en) * | 2008-01-16 | 2009-07-22 | 中国科学院金属研究所 | Proton exchange film fuel cell stainless steel bi-polar plate and production thereof |
| CN102583666A (en) * | 2012-02-23 | 2012-07-18 | 重庆理工大学 | High pressure electrostatic type ion spraying type seawater demineralizer and seawater desalination method thereof |
| CN102951762A (en) * | 2012-11-16 | 2013-03-06 | 同济大学 | Method and system for preventing scales and improving recycling water quality of saliferous and oily wastewater thermal desalination |
| CN206924592U (en) * | 2017-07-24 | 2018-01-26 | 汪子涵 | A kind of haze air cleaning unit |
| CN108163938A (en) * | 2018-01-09 | 2018-06-15 | 朱建华 | A kind of field-effect seawater desalination system |
| CN108128854A (en) * | 2018-01-18 | 2018-06-08 | 昆明理工大学 | Method and device based on corona discharge coupling electrodialysis recycling brackish water |
| CN110102454A (en) * | 2019-04-26 | 2019-08-09 | 西安理工大学 | The preparation method and recyclable device of water mist recycling mesh enclosure are carried out using electrostatic field |
| CN110104715A (en) * | 2019-06-13 | 2019-08-09 | 东华理工大学 | A kind of small-sized separated type solar electrostatic atomization desalination plant and its method |
| CN210700621U (en) * | 2019-10-11 | 2020-06-09 | 中国人民解放军63810部队 | Air removes salt fog device |
| CN111559790A (en) * | 2020-05-21 | 2020-08-21 | 重庆工商大学 | Venturi type water mist discharge plasma pollutant treatment device |
Non-Patent Citations (1)
| Title |
|---|
| 沈青: "分子酸碱化学", 上海科学技术文献出版社, pages: 434 - 440 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411880A (en) * | 2022-03-09 | 2022-04-29 | 河南大学 | High-efficient fog collection device |
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