WO2016163583A1 - 나노버블 및 수산화 라디칼 발생장치와 이를 이용한 오염수 무약품 처리시스템 - Google Patents
나노버블 및 수산화 라디칼 발생장치와 이를 이용한 오염수 무약품 처리시스템 Download PDFInfo
- Publication number
- WO2016163583A1 WO2016163583A1 PCT/KR2015/004764 KR2015004764W WO2016163583A1 WO 2016163583 A1 WO2016163583 A1 WO 2016163583A1 KR 2015004764 W KR2015004764 W KR 2015004764W WO 2016163583 A1 WO2016163583 A1 WO 2016163583A1
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- WO
- WIPO (PCT)
- Prior art keywords
- water
- nanobubble
- pump
- blade
- fluid
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 129
- 239000000126 substance Substances 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 title abstract description 3
- 239000012530 fluid Substances 0.000 claims abstract description 82
- 239000002101 nanobubble Substances 0.000 claims description 77
- 238000005192 partition Methods 0.000 claims description 41
- 239000001301 oxygen Substances 0.000 claims description 25
- 229910052760 oxygen Inorganic materials 0.000 claims description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 24
- 239000010802 sludge Substances 0.000 claims description 22
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 16
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
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- 238000004090 dissolution Methods 0.000 abstract description 6
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000002708 enhancing effect Effects 0.000 abstract 1
- -1 hydroxide radical Chemical class 0.000 description 32
- 239000007789 gas Substances 0.000 description 14
- 230000001965 increasing effect Effects 0.000 description 10
- 239000010865 sewage Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
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- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000005188 flotation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
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- 150000003254 radicals Chemical class 0.000 description 4
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- 241000195493 Cryptophyta Species 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000002105 nanoparticle Substances 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000195628 Chlorophyta Species 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000001590 oxidative effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 150000005837 radical ions Chemical group 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C—CHEMISTRY; METALLURGY
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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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
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- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Definitions
- the present invention is a nanobubble and hydroxide radical generating device that can generate nanobubble and hydroxide radicals and increase the dissolved rate of oxygen or ozone (O 3 ) in the fluid through the refinement and mixing of air and fluid, and the contaminated water It relates to a drug processing system.
- algae or aquatic plants in ponds such as Soho or golf course hazards grow depending on sunlight, water, and inorganic nutrients such as nitrogen and phosphorus dissolved in water.Inorganic nutrients are supplied by rain or irrigation water flowing into the pond. do.
- a method of improving the quality of water such as Soho and rivers has been mainly used to increase the amount of dissolved oxygen in the water by installing air diffusers in the deep part by using an air blower to increase the amount of dissolved oxygen in the water.
- the method using a blower has the disadvantage that the utilization of the diffuser and the dissolved oxygen supply is not smooth, the water quality improvement effect is lower than the facility investment.
- a method of preventing a pollution of a pond by applying a fountain to a pond or using a special enzyme has been conventionally applied.
- a fountain is merely a function of circulating water, it can be used to purify pollutants.
- a special enzyme it is effective in removing contaminants, but has a disadvantage in that a large cost is required.
- the pressurized flotation solid-liquid separation system (DAF) of the present sewage treatment plant is separated into solid-liquid separation by installing a pump to supply water, an air compressor to inject air, and a pressure tank to generate nano-sized microbubbles in raw water. .
- the present invention was developed to solve the problems described above, by forming a slope on the circumferential surface of each blade in the pump to induce air and fluid disturbances to accelerate the refinement and mixing of air and fluid and from One purpose is to provide a nanobubble and hydroxide radical generator that can further increase the.
- Another object of the present invention is to accelerate the disturbance of air and fluid by introducing a vortex accelerator which is formed to incline the side portions of the rotating blade and the fixed blade.
- the present invention is to streamline the arrangement of the rotating blades and the fixed blade to extend the length of the flow path, or to control the blow flow rate by each blade to more efficiently manage the nanobubble and hydroxyl (OH) radical generation operation For the purpose of.
- Another object of the present invention is to maximize the cavitation effect through the change in pressure of the discharge fluid by introducing the partition wall to the outlet pipe side of the pump.
- the present invention reduces the power of the pressurized flotation tank of the sewage terminal treatment plant and reduces the number of installations and the installation area, and thus the contaminant-free chemicals using nanobubbles and hydroxyl radical (Hydroxyl (OH) Radical) generators having a large economic ripple effect.
- Another object of the present invention is to provide a treatment system to treat contaminated water at low cost and to prevent secondary contamination by a flocculant polymer or the like.
- Nanobubble and hydroxide radical generating device is a pump capable of inflow and outflow of fluid;
- a drive motor connected to one side of the pump;
- a rotating blade mounted on a rotating shaft of the driving motor and having a laminated structure of a plurality of blades divided into large diameters and small diameters;
- a fixed blade made of a laminated structure of a plurality of blades divided into large diameters and small diameters, which are installed on an inner wall surface of the pump and are fitted at a predetermined distance in response to the large and small diameters of the rotating blade;
- a plurality of impellers mounted on a rotation shaft of the driving motor and disposed at a pump initial part before the rotating blades and the fixed blades;
- a plurality of chambers disposed between each of the impellers to allow the fluid carried by the rotation of the impeller to pass therethrough;
- An air supply unit supplying at least one of air, oxygen, and ozone to an inflow side of the pump;
- a recirculation tube configured
- the rotating blade of the nanobubble and hydroxide radical generating device is characterized in that it further comprises a first inclined portion formed in a direction in which the circumferential inclination of each blade is opposed to the rotational direction of the rotating blade.
- the fixed blade of the nanobubble and hydroxide radical generating device is characterized in that it further comprises a second inclined portion formed in the direction in which the circumferential slope of each blade is opposed to the first inclined portion of the rotating blade.
- Rotating blades or fixed blades of the nanobubble and hydroxide radical generating device according to the present invention, or the blade side of both are characterized in that the vortex accelerator is formed to be inclined with respect to the radial line.
- the rotating blade according to the present invention is characterized in that it comprises a plurality of first small diameter arranged on the rotary shaft of the drive motor, and a plurality of first large diameter disposed between the first small diameter.
- the fixed blade according to the present invention is fixedly stacked on the inner surface of the pump and arranged in a stack, and is disposed between the plurality of second small diameter values corresponding to the first large diameter value of the rotating blade and the second small diameter value, and the first of the rotating blades. And a second large diameter corresponding to the small diameter.
- Each large diameter disposed between each small diameter of the rotating blade and the fixed blade according to the present invention is laminated in a singular or plural, characterized in that the number of the stack is increased at the outlet side than the inlet side of the fluid.
- the outlet pipe according to the present invention is further characterized by a partition portion for inducing a change in pressure of the discharge fluid to promote the generation of nanobubbles.
- the partition wall portion according to the present invention is characterized in that it comprises a partition wall provided in the outflow pipe, a plurality of small diameter portion formed on the partition wall, and a large diameter portion connected to the small diameter portion and expanded.
- Partition walls according to the invention is composed of a plurality, spaced apart from each other is characterized in that the cavitation space is formed between each partition wall portion.
- a contaminant-free chemical treatment system using the nanobubble and hydroxide radical generator of the above-described configuration.
- one or more tanks having a constant width and length are connected or arranged in a row, the tanks are partitioned into partitions to form outlet holes for moving or discharging the treated water in the tanks, and the tanks are influent. It is divided into a treatment chamber and a treatment water storage chamber, and a treatment water transfer pipe and a treatment water recovery tube connected to an outlet side and an inlet side of the pump are respectively introduced into the inflow treatment chamber and the treatment water storage chamber, and the contaminated water is supplied to the inflow treatment chamber of the foremost tank.
- a water supply pipe is connected through a raw water inlet for supply of water, and the inflow water treatment chamber and the treated water storage chamber are configured to flow the treated water from the treatment chamber to the storage chamber through a through hole in a wall partitioning therebetween. At least a portion of the influent flows through the nanobubble and hydroxyl radical generators It is configured to be supplied to the chamber, the inflow water treatment chamber is provided with a blocking plate that the nanobubble collides at a predetermined position between the through hole and the end of the treatment water transport pipe, the inlet water treatment chamber upper portion of the sludge contained in the contaminated water or influent water or A conveyor means having a plurality of transfer plates for filtering impurities is provided.
- the nanobubble and hydroxide radical generator according to the present invention can further increase the dissolution rate by forming an inclination on each blade circumferential surface of the pump to induce air and fluid disturbances, thereby accelerating the refinement and mixing of the air and the fluid. Will be.
- the present invention can increase the reliability of the device by rationalizing the arrangement of the rotating blade and the fixed blade to extend the length of the flow path or to control the blow flow rate by each blade to more efficiently operate the nanobubble generating operation.
- the present invention introduces a partition wall portion on the outlet pipe side, and induces a pressure change of the discharge fluid passing through the partition wall portion, for this purpose, the partition wall is provided with a small diameter portion and a large diameter portion that is secured to the small diameter portion connected to the partition wall, a plurality of partition walls The parts are spaced apart from each other to form a cavitation space, so that the discharge fluid may sequentially pass through the partition wall, the cavitation space, and the partition wall to maximize the cavitation effect.
- the present invention can introduce a recirculation tube for guiding the fluid discharged to the outlet pipe back to the inlet pipe to generate a more complete nanobubble.
- the present invention is equipped with a venturi tube in the recirculation tube, by connecting the air supply to the venturi tube by using the pressure change of the recirculating fluid passing through the venturi tube to reduce the power consumption by sucking air from the air supply without power, There is no need for a separate facility for forced suction of air, thereby improving economics.
- the present invention can reduce the pump power of the bubble generator of the pressure flotation tank of the sewage terminal treatment plant by about 50%, do not need the compressor and pressurized tank equipment for injecting air can reduce the number of installations and the installation area and realize cost reduction Economics can be greatly improved.
- FIG. 1 is a cross-sectional view showing a first embodiment of a nanobubble and hydroxide radical generating device according to the present invention
- FIG. 2 is an enlarged cross-sectional view of a pump portion of the configuration of FIG. 1 and a flow of a fluid formed therein;
- FIG. 3 is a cross-sectional view at different positions showing a coupling state between a rotating blade and a fixed blade constituting the pump in FIG.
- FIG. 4 is a cross-sectional view of the blade angles of the blades of FIG.
- FIG. 5 is a cross-sectional view of a cross-sectional structure of the partition wall located on the outlet pipe side in the configuration of FIG.
- FIG. 6 is a view showing the flow of fluid through the partition wall according to FIG.
- FIG. 7 is a cross-sectional view showing a second embodiment of the nanobubble and hydroxide radical generating device according to the present invention.
- FIG. 8 is an enlarged cross-sectional view illustrating a flow of a pump portion and a fluid formed therein in the configuration of FIG. 7;
- FIG. 9 is a front view of a contaminated water-free chemical treatment system according to the present invention for solid-liquid separation without an air injection compressor and a pressurized tank of a sewage terminal treatment plant pressurized floatation tank using the nanobubble and hydroxide radical generator of FIG. Figure (b) shows a plan view,
- FIG 10 is a simplified diagram illustrating the configuration of each of the tanks, in particular the first tank of the contaminated water free chemical treatment system of Figure 9 that does not have a compressor and pressurized tank equipment for air injection in the existing sewage treatment plant solid-liquid separation system.
- the nanobubble and hydroxide radical generator according to the present invention is a nanobubble and hydroxide (OH) radicals by selectively refining and mixing the gas (corresponding to the "air” described above) such as air, oxygen and ozone in the fluid It can be provided for the purpose of improving water quality by increasing the dissolution rate by supplying to golf course soho or hazards, other reservoirs or wastewater treatment plants, fish tanks, farms.
- Nanobubble and hydroxide radical generating device according to the present invention can be used for food sterilization cleaning, deodorization, cleaning system, skin care.
- the hydroxyl (OH) radical is an oxygen anion-based substance that occurs in the plasma state, also referred to as hydroxyl radical (Hydroxyl Radical).
- It is a radical ion of hydroxide ion (OH-), and has strong oxidizing power, so it has strong sterilization, disinfection, deodorization, and decomposition ability, but it is harmless to human body by reducing with oxygen and water after reacting with pollutants. It has a sterilization rate 2000 times faster than ozone and 180 times faster than the sun's ultraviolet rays. And it has the function of deodorizing and decomposing by reacting with almost all pollutants in air and water.
- OH- hydroxide ion
- the nanobubble and hydroxide radical generator 1 is a plurality of impellers 370 and blades (330,340) ) Is built in the pump 300, the driving motor 320 is provided for driving the impeller 370 and the blades (330, 340) on one side of the pump, fluids made of various waste water, etc.
- the air supply unit 100 may be directly connected to the inlet pipe 200, but is connected to one side of the recirculation pipe 600 entering the inlet pipe 200 as shown in FIG. 1 to connect the inlet pipe 200. It may be configured to selectively mix the external air or gas such as oxygen or ozone in the fluid such as waste water or treated water supplied through.
- the air supply unit 100 may include an oxygen generator for generating oxygen from the outside air, an ozone generator for generating ozone by combining external air with oxygen generated by the oxygen generator, or other hydrogen, although not shown in the drawing. It may optionally include a predetermined air supply means for selecting and supplying a gas such as nitrogen, respectively. In addition, the air supply unit 100 is supplied to the air supply pipe 120 so as to be supplied at an appropriate flow rate when the gas such as air or oxygen, ozone, etc. enters the recirculation pipe 600 or the inlet pipe 200 through the air supply pipe 120. It may be provided with a flow regulator 110 in the middle.
- the recirculation tube 600 is for realizing the more perfect mixing and refinement of the fluid by recirculating the fluid mixed and refined primarily in the pump 300 back into the pump 300. 600 is connected to each joint (J) of the inlet pipe 200 and the outlet pipe 400 of the pump and at least a portion of the fluid discharged to the outlet pipe 400 is returned to the inlet pipe 200 for recycling.
- the part where the air supply pipe 120 and the recirculation pipe 600 meet is connected to the venturi pipe 700 of the three-way valve type, the gas supplied through the air supply pipe 120 or oxygen, ozone, etc. is venturi While passing through the bottleneck of the tube 700 is mixed with the discharge fluid carried along the recirculation tube 600, the discharge fluid passes through the bottleneck of the venturi tube 700, the pressure drops sharply and the flow rate is greatly increased.
- the natural gas is naturally absorbed through the air supply pipe 120.
- venturi tube 700 When the venturi tube 700 is introduced as described above, air flowing along the air supply pipe 120, or gases such as oxygen and ozone may be smoothly absorbed and mixed in the fluid due to the sudden pressure and flow rate change of the discharge fluid based on the Bernoulli principle. In addition, there is no need for a separate power source for this, there is an advantage that the economic efficiency is increased, such as a significant reduction in power consumption.
- the recirculation of the discharge fluid through the recirculation tube 600 may be controlled to be performed one or more times as necessary, thereby making it possible to generate a more complete nano-bubble can further strengthen the reliability of the device.
- the inlet pipe 200 and the outlet pipe 400 of the pump are respectively connected to the recirculation pipe 600 around the joint (J), supply or supply to the inlet pipe 200 and the outlet pipe (400) Opening and closing valves 210 and 410 may be provided to control the flow rate of the discharge fluid and open and close the flow path, respectively.
- Nanobubble and hydroxide radical generating device 1 is a cavitation by crushing the waste water or treated water and air or oxygen, ozone, and other gases supplied along the inlet pipe 200 to a plurality of blades (330,340) To generate nanobubbles.
- a plurality of impellers 370 rotated by the driving of the motor shaft 360 and an inner wall surface 311 of the pump housing 310 are formed in the pump 300.
- the fixed blade 340 is fixed to and the rotation blade 330 is driven to rotate along the motor shaft 360 to induce relative rotation of the fixed blade 340 is provided.
- the impeller 370 is disposed at a position adjacent to the inflow side of the pump 300, the rotating blade 330 and the fixed blade 340 is disposed in an upward direction after the impeller 370 away from the inflow side do. More preferably, the impeller 370 and the rotating blade 330 are provided integrally coupled on the motor shaft 360. In addition, between each impeller 370 in the pump 300, at least one chamber through which water (polluted water or treated water) carried by the rotation of the impeller 370 and gas such as external air or oxygen, ozone, and the like pass through each other. It is preferred that 380 be arranged.
- the impeller 370 and the chamber 380 are alternately arranged alternately, the impeller 370 is rotated by the drive of the motor shaft 360, the inflow side of the pump 300 by the rotational force Water and air, or a mixture of oxygen, ozone, and the like is pumped from the pump and pumped toward the blades 330 and 340 located above the impeller 370.
- the mixed fluid such as water, air, oxygen, and ozone passes through the plurality of impellers 370 and the plurality of chambers 380 subsequent to the impellers, the dissolved rate of the gases is further increased.
- the mixed fluid, such as water and air, pumped to the blades 330 and 340 may generate nanobubbles by interaction between the rotating blade 330 and the fixed blade 340 according to the driving of the motor shaft 360, that is, relative rotation.
- the discharge port 315 from the upper part of the pump housing 310 is discharged along the flow path 316 to the outlet side of the pump.
- Unexplained reference numeral '349' illustrated in FIG. 2 is a fixing bolt, which fixes the fixing blade 340 to the inner wall surface 311 of the pump housing 310.
- the rotating blade 330 and the fixed blade 340 are formed by stacking the respective blades in a multi-layered structure having a predetermined thickness.
- a plurality of small diameters are formed on corresponding surfaces of the rotating blade 330 and the fixed blade 340 facing each other.
- a plurality of large diameter teeth 335 and 345 protruding with a predetermined length are formed between the (333) 343 and these small diameter teeth 333 and 343.
- each of the large diameters 335 and 345 and the small diameters 333 and 343 is preferably configured in the shape of a blade having a sharp tip portion (see FIG. 3).
- each of the large diameter teeth 335 and 345 of the rotating blade 330 and the fixed blade 340 is disposed one by one large diameter in the lower portion of the initial entry portion, the plurality of large diameter teeth in the upper portion where the fluid is discharged It may be arranged in a stacked form.
- the mixed fluid which has not yet produced nanobubbles, is introduced from the lower side of the fluid inlet side, so as to hit the fluid with one large-diameter blade, it generates a small amount of nanobubbles, but the first side from the upper side of the fluid discharge side.
- the nanobubble-formed fluid By hitting the nanobubble-formed fluid with a large diameter of the plurality of stacked blades, the mixture of water and gas is made smoother, and a finer nanobubble can be generated.
- each of the large diameters 335 and 345 of the rotary blade 330 and the fixed blade 340 according to the present invention preferably has an insertion depth between them at least 0.5 times the blade length. Do. This can achieve the effect of extending the length of the flow path by inserting the large diameters 335 and 345 of each blade as deep as possible, thereby increasing the contact area between each blade and the fluid, thereby increasing the amount of mixed fluid. It can strike the water, allowing for smoother mixing and refinement of water and gas.
- the rotating blade 330 and the fixed blade 340 of such a configuration may be arranged in such a way that the large diameter teeth 335, 345 are interleaved with each other, in this state each of the large diameter ( 335) 345 and small diameters 343, 333 are preferably formed with a flow gap of a predetermined width through which the mixed fluid fed from the impeller 370 can pass (see FIGS. 2 to 4).
- the large diameter teeth 335 of the rotating blade 330 is sandwiched between the fixed blade 340 and the large diameter teeth 345 of the fixed blade 340 with a predetermined gap, that is, the flow gap therebetween.
- the large diameter teeth 345 of the fixed blade 340 are sandwiched between the large diameter teeth 335 of the rotary blade 330 at a predetermined interval, that is, the flow gap therebetween. It is interposed in state.
- the rotating blade 330 coupled on the motor shaft 360 rotates together, and the small diameter value 333 and the large diameter value 335 of the rotating blade 330 therefrom.
- Large diameters 335 and 345 and small diameters 343 of the rotating blades 330 and the fixed blade 340 are rotated between the large diameter 345 and the small diameter 343 of the fixed blade 340, respectively. Relative rotation occurs between 333.
- the mixed fluid introduced into the flow gap between the rotating blade 330 and the fixed blade 340 is finely divided by the relative rotation generated between the large diameter teeth 335 and 345 and the small diameter teeth 343 and 333. As it becomes more refined and mixed.
- the mixed fluid is finely mixed into nano units (nano-sized) of 5 microns or less to further increase the dissolution rate in the fluid.
- each blade of the rotating blade 330 and / or fixed blade 340 in order to facilitate the generation of nano-bubbles (hereinafter referred to as "nanobubble")
- the circumferential surface is formed to be inclined in at least one direction (see FIG. 4).
- the rotating blade 330 may be configured as a first inclined portion 331 formed in a direction in which the circumferential slope ⁇ of each blade is opposite to the rotation direction of the rotating blade 330.
- the inclined direction may be formed in such a way that the rotational direction is higher and the opposite side is lowered (see FIG. 4A).
- the circumferential inclined ⁇ of each blade of the fixed blade 340 is opposed to the first inclined portion 331 of the rotary blade 330, that is, the rotational direction of the rotary blade 330.
- the second inclined portion 341 may be formed in a shape in which the direction in which the second inclined portion 341 is opposed to the first inclined portion 331 is low and the opposite side thereof is increased. (See FIG. 4B).
- the rotating blade 330 when the rotating blade 330 is rotated, the first inclined portion 331 rotates to approach the second inclined portion 341 and faces first at the top dead center of each inclined, and the rotation continues to face each blade. As the space between the formed circumferential surfaces becomes wider, rapid vortices are formed in the mixed fluid to maximize cavitation.
- the inclination angle of the first inclination portion 331 and the inclination angle of the second inclination portion 341 may be determined in consideration of the length or width of the circumferential surface of each blade and the flow rate or flow rate of the introduced mixed fluid. Depending on the factors as described above, the inclination angle of each inclined portion may be manufactured in the same or different angles.
- Vortex accelerators (337, 347) can be configured to make.
- the inclination angles of the vortex accelerators 337 and 347 formed on the respective blades of the rotating blade 330 and the fixed blade 340 are preferably manufactured in the same manner, but the present invention is not limited thereto.
- the set angle may be variously determined in consideration of various factors such as the behavior of the fluid.
- the vortex accelerators 337 and 347 are shown to be formed on only one of the rotating blade 330 and the fixed blade 340, but may be formed on both the rotating blade 330 and the fixed blade 340. Can be. In addition, as shown in FIG. 4 (b), the vortex accelerators 337 and 347 may be formed on both sides of each blade of the rotary blade 330 and the fixed blade 340.
- the pump 300 has a discharge port 315 formed in at least a portion of the upper portion such that a mixed fluid including a nanobubble generated by the interaction of the rotating blade 330 and the fixed blade 340 therein is discharged. And a flow path 316 formed between the pump housing 310 and the inner wall surface 311 along the height direction of the pump so that the fluid exiting the discharge port 315 flows toward the outlet side of the pump 300. ) Is provided, and the fluid dropped along the flow path is discharged to the outside along the outlet pipe 400 with the nanobubbles.
- the present embodiment provides a configuration in which the partition 500 is disposed inside the outlet pipe 400, as shown in FIG. 1.
- the partition 500 is a small diameter part 520.
- a continuous form of the large diameter portion 530 extended therefrom and a repeated form thereof are formed of partition walls 510 arranged up and down side by side in the flow path direction in the outlet pipe 400, wherein the discharge fluid is small.
- the partition 500 has a space portion 540 having a predetermined size between successive shapes of the small diameter portion 520 and the large diameter portion 530, and the discharge fluid passing therethrough is abruptly pressurized. With the reduction, the cavitation phenomenon is accelerated, making it possible to further refine and mix the discharge fluid.
- the discharge pressure and the design dimension of the partition wall part 500 may be determined by considering various factors, for example, the output of the driving motor 320, the flow rate, and the like, and reflecting them in the design.
- FIG. 7 to 8 is a second embodiment of the nanobubble and hydroxide radical generating device according to the present invention basically added a pressure pump (P) to supply a constant pressurized fluid to the nanobubble and hydroxide radical generating device Indicates.
- a configuration in which the pressure pump P is connected to the inflow side of the nanobubble and the hydroxyl radical generator is provided.
- the nanobubble and hydroxide radical generator 1 ' is provided with a rotating blade 330 and a fixed blade 340 in the pump 300, as shown in Figure 1, the pressure pump (P) as shown in FIG. Impellers and chambers (not shown) are incorporated.
- the pressure pump (P) is connected to the inlet pipe and the outlet pipe 400, respectively, on the inlet side and the outlet side, the nanobubble and hydroxide radical generator (1 ') is a pressurized pump through the joint pipe (385) It is connected to the outlet pipe 400 of (P).
- Fitting pipe 385 may be provided with an on-off valve for controlling or opening or closing the supply fluid.
- the pressure pump (P) may include a pump motor (PM) and an impeller (not shown) mounted on the drive shaft of the pump motor (PM), the inlet pipe 200 in the outlet pipe 400 of the pressure pump (P)
- Recirculation tube 600 for recirculating the pressurized fluid may be connected via the joint (J).
- the recirculation pipe 600 may be connected to the air supply pipe 120 of the air supply unit 100 as in FIG. 1, and the venturi pipe 700 may be formed at a portion where the air supply pipe 120 and the recirculation pipe 600 meet each other. Can be connected to provide the effect as described above.
- a fluid pressurized from the pressure pump P is introduced into the inlet formed at the lower portion of the pump 300 through the connection pipe 385, and the gas in the water is finely pulverized and mixed due to the pressure strike by each blade. And is discharged through an outlet 383 disposed above the pump.
- the discharge pipe 800 is connected to the outlet 383, and the discharge pipe 800 is also equipped with an opening / closing valve to adjust or open or close the flow rate of the discharge fluid.
- the discharge pipe 800 may be equipped with the partition wall 500 having the above-described configuration, thereby promoting secondary cavitation as described above.
- the following describes a contaminant-free chemical treatment system for treating various wastewaters such as lakes, river water, homes or factories on land without using chemicals by using the nanobubbles and hydroxide radical generators of the present invention.
- FIG. 9 to 10 exemplarily show a compressor and pressurized tank for air injection of a sewage treatment plant pressurized floatation tank system using the nanobubble and hydroxide radical generator of FIG. 1 (or nanobubble and hydroxide radical generator of FIG. 7).
- Figure 9 shows a contaminated water free chemical treatment system according to the present invention to separate the solid without liquid
- Figure 9 is a (a) front view
- Figure 10 is a conventional sewage terminal
- Fig. 9 is a simplified diagram illustrating the configuration of the respective water tanks, particularly the first water tank, of the pollutant-free chemical treatment system of FIG. 9 without the compressor and pressurized tank facility for the air treatment liquid separation system.
- the pollutant-free chemical treatment system has a shape in which a plurality of tanks T 1 , T 2 , and T 3 are arranged in a row, and each tank has a constant width and length and a width (width). ) Or lengthwise connection.
- each of the tanks (T 1 , T 2 , T 3 ) are partitioned by partition walls formed at regular intervals in one tank and connected in a width (width) direction as shown in FIG. 9.
- the partition wall partitioning each tank is formed with an outlet hole 37 is configured to move the water treated in each tank to the next tank.
- each tank is divided into the influent treatment chamber 20 and the treatment water storage chamber 40, the influent treatment chamber (inside each tank) 20) and the treated water storage chamber 40, the treated water transfer pipe (6) and the treated water recovery pipe (5) connected to the outlet pipe (400) and inlet pipe (200) of the nanobubble and hydroxide radical generating device (1)
- the injection nozzles capable of high-pressure jetting of nanobubbles and pressurized fluids may be provided at the ends of the treated water transfer pipes 6 which are respectively introduced and introduced into the inflow treatment chamber 20 of the respective tanks.
- first tank (T1) for the supply of a number of sources may be a water supply line (4) connected through a raw water inlet 33, a first water tank to the third tank (T 1 , T 2 , T 3 are connected through an outlet hole 37 formed in the partition partition therebetween, and the inflow water treatment chamber 20 and the treated water storage chamber 40 of each tank are partitioned between the wall surfaces 31. It is connected through a through hole 34 formed in.
- the through hole 34 connecting the influent treatment chamber 20 and the treated water storage chamber 40 is preferably formed at the lower portion of the partition wall 31, and the through hole 34 and the inlet treatment chamber 20 of the respective tanks.
- a predetermined blocking plate 32 may be provided at a predetermined position between the ends of the treated water feed pipe 6.
- the blocking plate 32 is to prevent the untreated raw water or influent from being transferred to the next water tank as it is by the high pressure nanobubbles supplied from the nanobubbles and the hydroxyl radical generator 1, and transfers the treated water.
- the injection nozzle at the end of the tube 6 is preferably located above the blocking plate 32.
- the sludge removal means 10 is provided at an upper portion of the inflow water treatment chamber 20 of each tank T 1 , T 2 , and T 3 to filter sludge or impurities contained in the contaminated water or inflow water, and such sludge removal means 10 ) Has a structure in which a plurality of transfer plates 14 are installed on the surface of the conveyor belt or chain 13.
- Conveyor belts 13 constituting each of the sludge removing means 10 are driven by driving the sprocket 12 by the drive shafts 11a extending from the motor 11 across the top of each tank, Through the conveying plate 14 of the belt surface through the sludge discharge passage (35, 36) provided in the upper portion of the rear side of the influent treatment chamber 20 by filtering the sludge or impurities that rise to the contaminated water or the upper influent in the influent treatment chamber 20 Discharge.
- the first nanobubble and the contaminated water is introduced into the first tank (T1) through the water supply pipe (4)
- the hydroxyl radical generator 1 draws purified water (treated water) from the treated water storage chamber 40 through the treated water recovery pipe 5 to generate nanobubbles, and then passes through the treated water transport pipe 6.
- the influent is fed into the first chamber 20 of the water tank (T 1).
- the nanobubbles spouted into the inflow water treatment chamber 20 of the first tank T 1 may collide with the blocking plate 32 and float to the upper portion of the treatment chamber. In this case, sludge or impurities contained in the contaminated water together with the nanobubbles.
- the treated water transferred to the treated water storage chamber 40 through the through hole 34 formed in the partition wall 31 after removal of sludge from the influent water treatment chamber 20 of the first water tank T 1 is again discharged ( 37) to the inflow water treatment chamber 20 of the second water tank (T 2 ), a part of which is directed to the first nanobubble and the hydroxyl radical generator (1) through the treated water recovery pipe (5) as described above. Supplied.
- the treated water of the first tank T 1 introduced into the inflow water treatment chamber 20 of the second tank T 2 is again formed by the second nanobubble and the hydroxyl radical generating device 2 in the same manner as in the first tank. Additional sludge or impurities are floated above the treatment chamber 20 by the nanobubbles supplied and filtered by the sludge removal means 10 and then through the through hole 34 formed in the partition wall 31 to the treatment water storage chamber 40. While moving, the treated water in the treated water storage chamber 40 moves to the influent water treatment chamber 20 of the third tank T 3 through the outlet hole 37 and a part of the treated water returns to the treated water recovery pipe 5 again. It is supplied to the second nanobubble and the hydroxyl radical generator 2 to produce a nanobubble.
- the treated water of the second tank T 2 introduced into the inflow water treatment chamber 20 of the third tank T 3 is again generated by the third nanobubble and hydroxide radical generator 3 in the same manner as in the second tank.
- the remaining sludge or impurities are floated to the upper part of the process chamber 20 by the supplied nanobubbles and filtered by the sludge removing means 10, and then moved to the treated water storage chamber 40 through the through hole 34 of the partition wall 31.
- the treated water in the treated water storage chamber 40 is discharged to the outside through the outlet hole 37 and a part thereof is returned to the third nanobubble and the hydroxyl radical generating device 3 through the treated water recovery pipe 5.
- the process is repeated to produce nanobubbles.
- sludge and other impurities of the influent water are floated to the upper part of the tank by the nanobubbles discharged from the first to third nanobubbles and the hydroxyl radical generator at a high pressure.
- Impurities such as sludge are transported by the sludge removal means and discharged to the outside, and only the purified fluid flows into the second and third tanks for final use.
- the treated fluid is converted into nanobubbles and hydroxide radicals of the sludge. Due to turbidity, vulnerable decomposition, heavy metal decomposition is made, including high dissolved oxygen and anions, etc. is very helpful in restoring the ecosystem.
- the fluid treated by the present invention has a bactericidal power and can be recycled, and a flocculant polymer flows into a river and the like by removing contaminants through nanobubbles and hydroxide radicals without the coagulant chemical treatment as before. It can prevent the secondary pollution.
- the system configuration as described above is a type that does not require the pressure tank and the pressure compressor of the pressure flotation tank of the solid-liquid separation system of the existing sewage treatment plant, the power use is reduced by more than 50%, which is quite advantageous in terms of cost.
- pump housing 311 inner wall surface
- rotating blade 331 first inclined portion
- first small diameter 335 first large diameter
- first vortex accelerator 340 fixed blade
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Abstract
Description
Claims (7)
- 유체의 유입 및 유출이 가능한 펌프;상기 펌프의 일측에 연결되는 구동모터;상기 구동모터의 회전축에 장착되고, 대경치와 소경치로 구분되는 다수의 블레이드들의 적층 구조로 이루어진 회전블레이드;상기 펌프의 내벽면에 설치되고, 상기 회전블레이드의 대경치 및 소경치들에 대응하여 일정 거리를 두고 끼움 결합되는, 대경치 및 소경치로 구분되는 다수의 블레이드들의 적층 구조로 이루어진 고정블레이드;상기 구동모터의 회전축에 장착되고, 상기 회전블레이드 및 고정블레이드 이전의 펌프 초입부에 배치되는 복수의 임펠러;상기 임펠러의 회전으로 운반된 유체가 통과하도록 각각의 임펠러들 사이에 배치되는 복수의 챔버;상기 펌프의 유입측으로 공기, 산소 또는 오존 중 적어도 하나를 공급하는 급기부; 및상기 펌프의 유입측과 유출측을 연결하여 상기 유출측으로 토출되는 유체를 다시 유입측으로 재순환시키도록 구성된 재순환관을 포함하는 나노버블 및 수산화 라디칼 발생장치.
- 제 1항에 있어서,상기 급기부는 상기 재순환관과 연결되고, 상기 급기관과 재순환관의 연결부분은 병목부와 확관부로 이루어진 벤츄리관으로 이루어지는 것을 특징으로 하는 나노버블 및 수산화 라디칼 발생장치.
- 제 1항에 있어서,상기 회전블레이드와 상기 고정블레이드는 이들 중 적어도 어느 일측의 블레이드 원주면이 경사진 구조를 갖되, 상기 회전블레이드의 각 블레이드 원주면 경사는 상기 회전블레이드의 회전방향에 대향하는 방향으로 형성되고, 상기 고정블레이드의 각 블레이드의 원주면 경사는 상기 회전블레이드의 원주면 경사에 대향하는 방향으로 형성되는 것을 특징으로 하는 나노버블 및 수산화 라디칼 발생장치.
- 제 1항에 있어서,상기 회전블레이드 또는 고정블레이드, 또는 이들 모두의 블레이드 측면은 반경선에 대하여 경사지도록 형성된 와류촉진부가 형성되어 있는 것을 특징으로 하는 나노버블 및 수산화 라디칼 발생장치.
- 제 1항에 있어서,상기 펌프의 유출측에는 토출유체의 압력변화를 유도하여 나노버블의 발생을 촉진시키기 위한 격벽부가 더 구비되고, 상기 격벽부는상기 유출측에 구비되는 격벽체와,상기 격벽체에 형성되는 다수의 소경부와,상기 소경부에 연결되고 확관된 대경부를 포함하여 이루어진 것을 특징으로 하는 나노버블 및 수산화 라디칼 발생장치.
- 제 5항에 있어서,상기 격벽부는 복수로 구성되고, 서로 이격되어 각 격벽부 사이에는 공간부가 형성되는 것을 특징으로 하는 나노버블 및 수산화 라디칼 발생장치.
- 제 1항 내지 제 6항 중 어느 한 항의 나노버블 및 수산화 라디칼 발생장치를 이용한 오염수 무약품 처리시스템으로서,일정한 폭과 길이를 갖는 하나 이상의 수조가 일렬로 연결 또는 배열되고,상기 수조는 격벽으로 구획되어 각 격벽에 수조 내부의 처리수의 이동 또는 배출을 위한 유출공이 형성되고,상기 수조는 유입수 처리실과 처리수 저장실로 구획되고,상기 유입수 처리실과 처리수 저장실에는 상기 펌프의 유출측 및 유입측과 연결되는 처리수 이송관 및 처리수 회수관이 각각 투입되고,최전방 수조의 유입수 처리실에는 오염원수의 공급을 위한 원수유입구를 통해 급수관이 연결되고,상기 유입수 처리실과 상기 처리수 저장실은 이들 사이를 구획하는 벽면의 통공을 통해 상기 처리실에서 저장실로 처리수가 유동하도록 구성되고,상기 처리수 저장실의 유체의 적어도 일부가 상기 나노버블 및 수산화 라디칼 발생장치를 거쳐 상기 유입수 처리실로 공급되도록 구성되고,상기 유입수 처리실에는 상기 통공과 처리수 이송관의 끝단 사이의 소정 위치에 상기 나노버블이 충돌하는 차단판이 구비되고,상기 유입수 처리실 상부에는 오염원수 또는 유입수 속에 포함된 슬러지 또는 불순물을 걸러내는 복수의 이송판을 갖는 컨베이어 수단이 구비된 것을 특징으로 하는 오염수 무약품 처리시스템.
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CA2988574A CA2988574A1 (en) | 2015-04-06 | 2015-05-12 | Nano-bubble-and-hydroxyl-radical generator and system for processing polluted water without chemicals using same |
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- 2015-04-06 KR KR1020150048615A patent/KR101594086B1/ko active IP Right Grant
- 2015-05-12 JP JP2018504626A patent/JP2018516753A/ja active Pending
- 2015-05-12 US US14/890,103 patent/US11873239B2/en active Active
- 2015-05-12 WO PCT/KR2015/004764 patent/WO2016163583A1/ko active Application Filing
- 2015-05-12 EP EP15888568.1A patent/EP3281919A4/en not_active Withdrawn
- 2015-05-12 CA CA2988574A patent/CA2988574A1/en not_active Abandoned
- 2015-05-12 CN CN201580080736.7A patent/CN107922226A/zh active Pending
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Also Published As
Publication number | Publication date |
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EP3281919A1 (en) | 2018-02-14 |
US11873239B2 (en) | 2024-01-16 |
CA2988574A1 (en) | 2016-10-13 |
KR101594086B1 (ko) | 2016-04-01 |
US20180141837A1 (en) | 2018-05-24 |
EP3281919A4 (en) | 2018-10-24 |
JP2018516753A (ja) | 2018-06-28 |
CN107922226A (zh) | 2018-04-17 |
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