CN115536184A - Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof - Google Patents
Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof Download PDFInfo
- Publication number
- CN115536184A CN115536184A CN202211372603.5A CN202211372603A CN115536184A CN 115536184 A CN115536184 A CN 115536184A CN 202211372603 A CN202211372603 A CN 202211372603A CN 115536184 A CN115536184 A CN 115536184A
- Authority
- CN
- China
- Prior art keywords
- water
- ozone
- nano bubble
- micro
- electric flocculation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 317
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 143
- 239000002101 nanobubble Substances 0.000 title claims abstract description 72
- 238000005189 flocculation Methods 0.000 title claims abstract description 66
- 230000016615 flocculation Effects 0.000 title claims abstract description 65
- 230000003647 oxidation Effects 0.000 title claims abstract description 32
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 32
- 239000003651 drinking water Substances 0.000 title claims abstract description 30
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 109
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000001301 oxygen Substances 0.000 claims abstract description 40
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 40
- 239000008213 purified water Substances 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 29
- 230000000249 desinfective effect Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000011001 backwashing Methods 0.000 claims description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
- 238000011010 flushing procedure Methods 0.000 claims description 15
- 230000001954 sterilising effect Effects 0.000 claims description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 239000011572 manganese Substances 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 230000015271 coagulation Effects 0.000 claims description 5
- 238000005345 coagulation Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 229910021645 metal ion Inorganic materials 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000006004 Quartz sand Substances 0.000 claims description 4
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- NJFMNPFATSYWHB-UHFFFAOYSA-N ac1l9hgr Chemical compound [Fe].[Fe] NJFMNPFATSYWHB-UHFFFAOYSA-N 0.000 claims description 3
- VRAIHTAYLFXSJJ-UHFFFAOYSA-N alumane Chemical compound [AlH3].[AlH3] VRAIHTAYLFXSJJ-UHFFFAOYSA-N 0.000 claims description 3
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 claims description 3
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 claims description 3
- 239000003830 anthracite Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 239000002223 garnet Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 3
- 238000009297 electrocoagulation Methods 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- 238000011118 depth filtration Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002352 surface water Substances 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- -1 iron ions Chemical class 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000002085 persistent effect Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- SMZHKGXSEAGRTI-UHFFFAOYSA-N 1,1,1-trichloropropan-2-one Chemical compound CC(=O)C(Cl)(Cl)Cl SMZHKGXSEAGRTI-UHFFFAOYSA-N 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- CYUOWZRAOZFACA-UHFFFAOYSA-N aluminum iron Chemical compound [Al].[Fe] CYUOWZRAOZFACA-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000005844 autocatalytic reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000000598 endocrine disruptor Substances 0.000 description 1
- 231100000049 endocrine disruptor Toxicity 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a village and town drinking water integrated treatment device combining micro-nano bubble ozone oxidation and electric flocculation and a water treatment method thereof, and relates to the technical field of drinking water treatment integration. The invention aims to solve the technical problem that surface water is difficult to directly drink. The device comprises a gas transmission unit, a raw water storage device, an electric flocculation group, a filtering device, an oxygen source, an ozone generating device, a micro-nano bubble generating device, ozone contact equipment, a depth filtering device, a disinfecting device and a purified water storage device. The invention improves the mass transfer efficiency and the oxidation efficiency of ozone, improves the removal effect of ozone on organic matters, integrates equipment, reduces the floor area, saves the energy consumption, reduces the water control and operation cost, and is lower-carbon and environment-friendly. The invention is used for decentralized water supply in villages and towns with surface water as a water source.
Description
Technical Field
The invention relates to the technical field of drinking water treatment integration.
Background
The safety and the quality of the drinking water of villages and towns are concerned and well-adapted, the drinking water safety engineering is a great civil engineering, different from urban areas, the water consumption of villages and towns is small and dispersed, the infrastructure and the operation and maintenance management capability of villages and towns are relatively laggard, and the water treatment facility is imperfect. The conventional water treatment process and some advanced equipment in urban areas are directly introduced into rural areas, so that the quality of drinking water in the rural areas can be improved, the conventional process is large in occupied area and complex in water treatment process, special persons are required to operate for 24 hours continuously during normal operation of the equipment, regular maintenance and medicine adding are required, villages and towns cannot meet operation requirements, the water consumption in the rural areas is unstable, the designed water supply amount in most time periods is larger than the actual water demand amount, the equipment is idle, energy consumption of device operation is wasted, and even secondary pollution occurs when the water storage time in the equipment is too long.
Disclosure of Invention
The invention provides a village and town drinking water integrated treatment device combining micro-nano bubble ozone oxidation and electric flocculation and a water treatment method thereof, aiming at solving the technical problem that surface water is difficult to directly drink.
A village and town drinking water integrated treatment device combining micro-nano bubble ozone oxidation and electric flocculation comprises a gas transmission unit (I), a raw water storage device (II), an electric flocculation group (III), a filtering device (IV), an oxygen source (V), an ozone generating device (VI), a micro-nano bubble generating device (VII), ozone contact equipment (VIII), a depth filtering device (IX), a disinfecting device (X) and a purified water storage device (XI);
wherein the gas transmission unit (I) is communicated with a back flush gas inlet of the filtering device (IV) through a pipeline, and simultaneously the gas transmission unit (I) is communicated with a back flush gas inlet of the depth filtering device (IX) through a pipeline;
the water outlet of the raw water storage device (II) is communicated with the water inlet of the electric flocculation group (III), the water outlet of the electric flocculation group (III) is communicated with the water inlet of the filtering device (IV), and the water outlet of the filtering device (IV) is communicated with the water inlet of the micro-nano bubble generating device (VII); an oxygen source (V) is communicated with an air inlet of an ozone generating device (VI), and an air outlet of the ozone generating device (VI) is communicated with an air inlet of a micro-nano bubble generating device (VII); the water outlet of the micro-nano bubble generating device (VII) is communicated with the water inlet of ozone contact equipment (VIII); the water outlet of the ozone contact device (VIII) is communicated with the water inlet of a depth filtering device (IX), the water outlet of the depth filtering device (IX) is communicated with the water inlet of a disinfecting device (X), and the water outlet of the disinfecting device (X) is communicated with the water inlet of a purified water storage device (XI); the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the filtering device (IV), and the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the depth filtering device (IX); the filtering device (IV) is provided with a filtering back-flushing water outlet, and the depth filtering device (IX) is provided with a depth filtering back-flushing water outlet; the filtering device (IV) is provided with a water outlet of the surpassing pipe.
The raw water storage device is internally provided with a sensor which is connected with the central control equipment and used for controlling a switch of the water pump to adjust the flow of raw water, and meanwhile, a vertical ladder is arranged outside the raw water storage device, and the top of the raw water storage device is provided with a manhole so as to clean the inside of the raw water storage device. The raw water storage device is made of stainless steel materials, and the volume of the water tank is determined according to the designed treated water amount. The raw water storage device is provided with a vent and a liquid level pipe.
The electric flocculation group comprises a relay, a flow control system and a reactor, wherein the relay is connected with central control equipment, and the voltage, the current and the frequency of the electrode are controlled by the central control equipment; the flow control system consists of a flowmeter and a valve, is connected with the raw water storage device and controls the flow passing through the electric flocculation group and the subsequent water treatment equipment; the electrodes of the electric flocculation group are aluminum-aluminum electrodes, iron-iron electrodes or aluminum-iron electrodes, and one electrode is used for two electrodes, so that the electrodes can be conveniently replaced and repaired. The power supply of the electric flocculation group adopts a common power supply or a pulse power supply, and the pulse power supply generates different cations through electrode reversal. The reactor adopts a tubular, column or box type reaction vessel. The front side of the electric flocculation group is provided with a central control device and is connected with a filtering device on the front side of a central control system through a pipeline. The electric flocculation group is provided with a water sample collecting port.
The filter device comprises a flushing control device, a filter material, a stainless steel cylinder body and a pressure gauge, wherein the flushing control device controls the filter device to perform filtering, forward washing and back washing so as to improve the filtering effect and prolong the service life of the filter material, and the flushing control device automatically sets forward and backward washing time and flushing period; the filter material adopts gravel, quartz sand, manganese sand, anthracite, garnet or ferromagnetic ore and the like, and selects proper filter materials aiming at different raw water qualities. The filtering device realizes multi-stage filtration by connecting a plurality of filter tanks or a plurality of filter columns in series so as to filter flocs generated in an electric flocculation group and other suspended matters in water. The filter device is connected with the lift pump and the water purification tank through a pipeline (an automatic electric valve is arranged on the pipeline), and the functions of filtering, forward washing and backwashing of the filter device are realized through the control of valve switching and the opening and closing of the lift pump by the central control device. The filtering device is provided with a filtering back-flushing water outlet so as to discharge flushing wastewater. The filtering device is provided with a water sample collecting port and an overrunning pipe. The filtering device is connected with the micro-nano bubble generating device through a pipeline.
The oxygen source is connected with the ozone generating device on the right side through a gas pipeline, and oxygen generated by the oxygen source enters the ozone generating device to prepare ozone. The oxygen source comprises an oxygen making device and a drying device, the first part oxygen making device is a common oxygen bottle (tank) or an oxygen generator, the second part at the rear end is the drying device of oxygen, and a freeze drying or drying tube is adopted according to actual conditions. The ozone generating device is connected with the micro-nano bubble generating device on the right side through a gas pipeline, and ozone is made into micro-nano bubbles to enter water after entering the micro-nano bubble generating device.
The micro-nano bubble generating device adopts two sets of devices, one is prepared by combining a dissolved air pump and a dissolved air tank, a certain negative pressure is ensured at the front end of the dissolved air pump to suck ozone at a negative pressure, steam and water are mixed in the dissolved air pump, the flow of the dissolved air pump is selected according to the actual working condition, and the working pressure of the dissolved air tank is 0.1-0.3 MPa; the other method is to adopt a booster pump and a specially-made ejector generator, wherein the booster pump is a variable frequency pump, the flow and the lift are selected according to the actual designed treated water quantity, the flow of the ejector is controlled by an adjusting valve, and the minimum working flow is more than or equal to the minimum working flow so as to form negative pressure, so that the ozone gas can enter the ejector device by self-absorption. The booster pump can be provided with a return pipe and a valve, and the water flow can be adjusted by adjusting the opening and closing degree of the return valve.
The ozone contacting device comprises three ozone contacting towers with windows. The ozone contact tower provides a place for full contact between the ozone micro-nano bubbles and water, and the ozone can remove a part of organic matters which are difficult to degrade, so that the ozone can be conveniently filtered and removed by a depth filtering device; observing the size, the quantity, the rising speed and the like of the generated ozone micro-nano bubbles through the window, and then controlling the ozone micro-nano bubbles by adjusting a valve; the state of the catalyst can also be observed to determine whether the catalyst needs to be replaced and filled. And water sample collecting ports are arranged on each ozone contact tower and the front and rear pipe sections of the ozone contact equipment. The ozone contact device is connected with the depth filtering device through a pipeline.
The deep filtering device adopts biochar, activated carbon, ionic resin, macromolecular resin, double-layer hydroxide, fiber balls, fiber bundle filter materials, comet type fiber filter materials and the like as fillers aiming at different water qualities so as to adsorb micromolecular organic matters, high-concentration ions, natural organic matters and fine particles in water. The depth filtering device is connected with the disinfecting device through a pipeline.
The disinfection device adopts a sodium hypochlorite generator, a hypochlorous acid generator, an ultraviolet disinfection device, an automatic chlorine adding device and the like, so as to achieve the effects of sterilization and disinfection. The disinfection device is connected with the purified water storage device through a pipeline. The water purification storage device is connected with the water supply pump through a pipeline, and water in the water purification storage device is pumped to a user through the water supply pump.
The water treatment method of the integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation specifically comprises the following steps:
1. raw water enters a raw water storage device (II), then enters an electric flocculation group (III), generates metal ions through electrodes, then is hydrolyzed to generate flocs for coagulation, and then enters a filtering device (IV) for filtering to remove the flocs and suspended matters;
2. introducing oxygen output by the oxygen source (V) into an ozone generating device (VI) to prepare ozone;
3. introducing the water filtered in the step one and the ozone prepared in the step two into a micro-nano bubble generating device (VII) for mixing to prepare micro-nano bubble ozone water;
4. introducing the micro-nano bubble ozone water prepared in the third step into ozone contact equipment (VIII), and fully contacting ozone and water for treatment;
5. introducing the water treated in the step four into a depth filtering device (IX) for depth filtering treatment;
6. and (4) introducing the water treated in the step five into a sterilizing device (X) for sterilization, and then introducing into a purified water storage device (XI) to finish the treatment.
When the water quality of the effluent of the second filtering device reaches the standard, the effluent is introduced into the purified water storage device (XI) through the overtaking water outlet.
The back washing process of the device is as follows: introducing water in the purified water storage device (XI) into the filtering device (IV) through the backwashing water inlet pipe for washing, and then discharging;
or the water in the purified water storage device (XI) is introduced into the depth filtering device (IX) through the back washing water inlet pipe for washing and then is discharged;
the flow rate of the backwashing water is controlled to be 2-5 times of the flow rate of the treatment water.
The working principle of the invention is as follows: the raw water generates tiny flocs through electrocoagulation, a part of organic matters and suspended matters are removed after the raw water is filtered by a filter device, and if manganese sand is selected as a filler, iron and manganese can be removed through catalysis, so that filtered water is generated; the dry oxygen, obtained from an oxygen generator or oxygen source, passes through an ozone generator to produce ozone gas. Ozone and filtered water pass through a micro-nano bubble generating device to form ozone micro-nano bubble water. Ozone oxidation ability is strong, but disinfection, and secondly, the dissolubility trace organic matter in aquatic is by oxidation, and other not oxidized micromolecule organic matters are eliminated by follow-up deep filtration device filtration. The effluent is sterilized and then is injected into a water purifying tank.
Meanwhile, the combination of the electric flocculation technology and the coordination compound networking technology can be remotely controlled in remote areas, the chemical agents are prevented from being added, and unattended operation and maintenance can be realized. Meanwhile, organic matters with larger molecules are removed in the early stage of the electric flocculation, so that the oxidation load of ozone micro-nano bubble water can be effectively reduced, ozone water can generate various free radicals in combination with a catalyst, and some organic pollutants which are difficult to degrade and persistent can be degraded into pollutants with smaller molecules and weaker toxicity. Furthermore, because both the electric flocculation technology and the ozone technology can remove organic matters, the contact between the pollutants and the chlorine disinfectant is reduced by adsorbing small molecular organic matters through the activated carbon, and the generation of disinfection byproducts (the generation of substances such as trichloromethane, trichloroacetone and the like) can be reduced.
The device combines electric flocculation and ozone oxidation, iron and aluminum electrodes lose electrons at an electric flocculation stage to form iron ions and aluminum ions, then hydrolysis is carried out, coagulation is enhanced, macromolecular organic matters and suspended matters in water are effectively removed, then filtering is carried out by a filtering device, manganese sand can enable the iron and aluminum ions in the water to be reduced and removed in an autocatalysis mode, ozone micro-nano bubble water is introduced, micro organic matters, organic matters which are difficult to degrade, persistent organic matters or endocrine disruptors in the water are degraded through the oxidation effect of ozone micro-nano bubbles, and the electric flocculation and the ozone are effectively combined, so that various organic matters in surface water can be thoroughly removed, the safety and the reliability of a drinking water project are further enhanced, the effects of deep treatment and disinfection are realized, and meanwhile, disinfection byproducts are reduced.
The invention has the beneficial effects that:
the electric flocculation process can reduce the management difficulty that the traditional flocculation needs manual or automatic control dosing, and reduce the operation and maintenance cost; the micro-nano bubble ozone oxidation pollution removal technology solves the technical problems that the mass transfer efficiency and the oxidation efficiency of ozone are low, the operation cost is high, and the oxidation effect of ozone on partial organic matters is poor in the existing aeration mode.
1. The device is integrated, complete in facilities, small in occupied area, short in construction period and convenient to install, can be assembled and transported in large quantities in batches, and can solve the problem of water source dispersion in villages and small towns.
2. The invention adopts the electric flocculation method to remove organic matters and suspended matters in the water, and compared with the traditional chemical flocculation method, the electric flocculation method reduces the amount of metal ions required by the reaction, avoids the difficulty of manually adding chemical reagents, and reduces the cost of manual maintenance and drinking water treatment. And the electric flocculation method has small occupied area and compact structure, and is easy to realize integration.
3. The invention adopts the water treatment technology of ozone micro-nano bubbles, not only fully exerts the advantages of strong ozone oxidation capacity and good disinfection and sterilization effects, but also overcomes the defects of the traditional ozone technology, improves the mass transfer efficiency of ozone, improves the utilization rate of ozone, simultaneously can effectively catalyze ozone to generate various free radicals by various catalysts, reduces the useless loss of ozone and reduces the water treatment cost.
The device is used for treating surface water and is applied to decentralized water supply of villages and towns with the surface water as a water source.
Drawings
Fig. 1 is a schematic structural diagram of an integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation according to a first embodiment;
fig. 2 is a schematic structural diagram of an integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation according to an embodiment;
fig. 3 is a schematic structural diagram of a village and town drinking water integrated processing device combining micro-nano bubble ozone oxidation and electric flocculation according to the second embodiment.
Detailed Description
The invention is not limited to the above embodiments, and one or a combination of several embodiments may also achieve the object of the invention.
The first embodiment is as follows: the integrated treatment device for drinking water in villages and towns combining micro-nano bubble ozone oxidation and electric flocculation is characterized by comprising a gas transmission unit (I), a raw water storage device (II), an electric flocculation group (III), a filtering device (IV), an oxygen source (V), an ozone generating device (VI), a micro-nano bubble generating device (VII), ozone contact equipment (VIII), a deep filtering device (IX), a disinfecting device (X) and a purified water storage device (XI);
the gas transmission unit (I) is communicated with a back flush gas inlet of the filtering device (IV) through a pipeline, and is communicated with a back flush gas inlet of the depth filtering device (IX) through a pipeline;
the water outlet of the raw water storage device (II) is communicated with the water inlet of the electric flocculation group (III), the water outlet of the electric flocculation group (III) is communicated with the water inlet of the filtering device (IV), and the water outlet of the filtering device (IV) is communicated with the water inlet of the micro-nano bubble generating device (VII); an oxygen source (V) is communicated with an air inlet of an ozone generating device (VI), and an air outlet of the ozone generating device (VI) is communicated with an air inlet of a micro-nano bubble generating device (VII); the water outlet of the micro-nano bubble generating device (VII) is communicated with the water inlet of ozone contact equipment (VIII); the water outlet of the ozone contact device (VIII) is communicated with the water inlet of a depth filtering device (IX), the water outlet of the depth filtering device (IX) is communicated with the water inlet of a disinfecting device (X), and the water outlet of the disinfecting device (X) is communicated with the water inlet of a purified water storage device (XI); the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the filtering device (IV), and the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the depth filtering device (IX); the filtering device (IV) is provided with a filtering back-flushing water outlet, and the depth filtering device (IX) is provided with a depth filtering back-flushing water outlet; the filtering device (IV) is provided with a water outlet of the surpassing pipe.
The second embodiment is as follows: the first difference between the present embodiment and the specific embodiment is: the electric flocculation group (III) is formed by connecting a plurality of groups of electric flocculation devices in parallel; wherein the electrode combination is an iron-iron electrode, an aluminum-aluminum electrode or an iron-aluminum electrode, and the power supply adopts a pulse power supply. The rest is the same as the first embodiment.
The third concrete implementation mode: the present embodiment differs from the first or second embodiment in that: the filtering device (IV) is formed by connecting a plurality of filtering tanks in series, and the filtering material adopts gravel, quartz sand, manganese sand, anthracite, garnet or ferromagnetic ore. The other embodiments are the same as those of the first or second embodiment.
The fourth concrete implementation mode is as follows: the difference between this embodiment mode and one of the first to third embodiment modes is: the oxygen source (V) comprises an oxygen generating device and a drying device; the micro-nano bubble generating device (VII) is a device combining a dissolved air pump and a dissolved air tank, or the micro-nano bubble generating device (VII) is a device combining a booster pump and a water jet gun. The others are the same as in one of the first to third embodiments.
The fifth concrete implementation mode: the difference between this embodiment and one of the first to fourth embodiments is: the ozone contact device (VIII) is formed by connecting a plurality of ozone contact towers in series and filling an ozone catalyst. The other is the same as one of the first to fourth embodiments.
The sixth specific implementation mode: the difference between this embodiment and one of the first to fifth embodiments is: the depth filtering device (IX) is an activated carbon tank or a plurality of activated carbon tanks connected in series, and the filler is biochar, activated carbon, ionic resin, macromolecular resin, double-layer hydroxide, fiber balls, fiber bundle filter materials or comet type fiber filter materials. The rest is the same as one of the first to fifth embodiments.
The seventh concrete implementation mode: the difference between this embodiment and one of the first to sixth embodiments is: the sterilizing device (X) is ultraviolet sterilizing equipment, sodium hypochlorite sterilizing equipment, hypochlorous acid sterilizing equipment or automatic chlorine adding equipment. The others are the same as one of the first to sixth embodiments.
The specific implementation mode eight: the present embodiment differs from one of the first to seventh embodiments in that: the valve and the pipeline that former water tank II, water purification case XI and ozone contact device VIII are connected adopt stainless steel. The others are the same as one of the first to seventh embodiments.
The specific implementation method nine: the embodiment of the invention relates to a water treatment method of a village and town drinking water integrated treatment device combining micro-nano bubble ozone oxidation and electric flocculation, which specifically comprises the following steps:
1. raw water enters a raw water storage device (II), then enters an electric flocculation group (III), generates metal ions through electrodes, then is hydrolyzed to generate flocs for coagulation, and then enters a filtering device (IV) for filtering to remove the flocs and suspended matters;
2. introducing oxygen output by the oxygen source (V) into an ozone generating device (VI) to prepare ozone;
3. introducing the water filtered in the first step and the ozone prepared in the second step into a micro-nano bubble generating device (VII) for mixing to prepare micro-nano bubble ozone water;
4. introducing the micro-nano bubble ozone water prepared in the third step into ozone contact equipment (VIII), and fully contacting ozone and water for treatment;
5. introducing the water treated in the step four into a depth filtering device (IX) for depth filtering treatment;
6. and (4) introducing the water treated in the step five into a sterilizing device (X) for sterilizing, and then introducing the water into a purified water storage device (XI) to finish the treatment.
The detailed implementation mode is ten: the present embodiment differs from the ninth embodiment in that: the back washing process comprises the following steps: introducing water in the purified water storage device (XI) into the filtering device (IV) through the backwashing water inlet pipe for washing, and then discharging;
or the water in the purified water storage device (XI) is introduced into the depth filtering device (IX) through the backwashing water inlet pipe for washing and then discharged. The rest is the same as the ninth embodiment.
The first embodiment is as follows:
the integrated treatment device for drinking water in villages and towns combining micro-nano bubble ozone oxidation and electric flocculation comprises a gas transmission unit (I), a raw water storage device (II), an electric flocculation group (III), a filtering device (IV), an oxygen source (V), an ozone generating device (VI), a micro-nano bubble generating device (VII), ozone contact equipment (VIII), a depth filtering device (IX), a disinfecting device (X) and a purified water storage device (XI);
wherein the gas transmission unit (I) is communicated with a back flush gas inlet of the filtering device (IV) through a pipeline, and simultaneously the gas transmission unit (I) is communicated with a back flush gas inlet of the depth filtering device (IX) through a pipeline;
a water outlet of the raw water storage device (II) is communicated with a water inlet of the electric flocculation group (III), a water outlet of the electric flocculation group (III) is communicated with a water inlet of the filtering device (IV), and a water outlet of the filtering device (IV) is communicated with a water inlet of the micro-nano bubble generating device (VII); an oxygen source (V) is communicated with an air inlet of an ozone generating device (VI), and an air outlet of the ozone generating device (VI) is communicated with an air inlet of a micro-nano bubble generating device (VII); the water outlet of the micro-nano bubble generating device (VII) is communicated with the water inlet of ozone contact equipment (VIII); the water outlet of the ozone contact device (VIII) is communicated with the water inlet of the depth filtering device (IX), the water outlet of the depth filtering device (IX) is communicated with the water inlet of the disinfecting device (X), and the water outlet of the disinfecting device (X) is communicated with the water inlet of the purified water storage device (XI); the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the filtering device (IV), and the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the depth filtering device (IX); the filtering device (IV) is provided with a filtering back-flushing water outlet, and the depth filtering device (IX) is provided with a depth filtering back-flushing water outlet; the filtering device (IV) is provided with a water outlet of the surpassing pipe.
The raw water storage device (II) is a raw water tank 4, a water inlet is formed in one side of the upper end of the raw water tank 4, and raw water enters the raw water tank 4 through a water taking pump 1; the other side of the upper end of the raw water tank 4 is provided with an overflow port 3; one side of the bottom end of the original water tank 4 is provided with a water outlet which is communicated with a water drain pipe 6 and is provided with a gate valve 5; the other side of the bottom end of the raw water tank 4 is provided with a water outlet;
the electric flocculation group (III) is formed by connecting an electric flocculation group A10, an electric flocculation group B11 and an electric flocculation group C12 in parallel, and a ball valve 8 and a flow meter 9 are arranged in front of each electric flocculation device; the electrode material is iron-aluminum;
the filtering device (IV) is formed by connecting two filtering tanks 14 in series, the top of each filtering tank is provided with a water inlet, a back flush water inlet and a pressure gauge 15, the bottom of each filtering tank is also provided with a water outlet, a back flush water outlet and an overrun pipe water outlet, and the overrun pipe water outlet is communicated with an overrun pipe 17;
the oxygen source (V) is an oxygen generator 18, the ozone generating device (VI) is an ozone generator 19, and the micro-nano bubble generating device (VII) is a dissolved air pump 22 and a dissolved air tank; a gas flowmeter 20 and a water return prevention one-way valve 21 are arranged between the ozone generator 19 and the dissolved air pump 22 and are communicated by a silica gel hose; a vacuum gauge is arranged between the dissolved air pump 22 and the dissolved air tank 32, and pressure regulating valves 23 are arranged at the front and the rear of the dissolved air tank 32; the air outlet of the ozone generator 19 and the water outlet of the filter tank 14 are both communicated with a dissolved air pump 22;
the water return preventing one-way valve 21 is used for preventing filtered water from reversely entering a gas circuit due to large pressure, and the pipeline of the gas circuit is an ozone-resistant silica gel hose 30;
the ozone contact device (VIII) is formed by connecting three groups of ozone contact towers 24 in series; the ozone contact tower 24 is filled with silicate catalyst and is provided with a glass window 31, and the catalyst and ozone water are observed to keep a milky white state;
the depth filtering device (IX) is an activated carbon tank 25, the top of the activated carbon tank is provided with a water inlet, a back washing water inlet and a pressure gauge 15, and the bottom of the activated carbon tank is provided with a back washing water outlet and a water outlet;
the sterilizing device (X) is an ultraviolet sterilizing apparatus 26;
the purified water storage device (XI) is a purified water tank 27, one side of the upper end of the purified water tank is provided with a water inlet, and the other side of the upper end of the purified water tank is provided with an overflow port; the lower end of the water purification tank is provided with a water outlet and a water outlet, the water outlet is communicated with the water drain pipe 6, and a pipeline communicated with the water outlet is provided with a glass window; the lower end of the side surface of the water purifying tank is provided with a back flush water outlet, and a lifting pump is arranged on a pipeline communicated with the back flush water outlet and is connected into the activated carbon tank 25 and the filter tank 14.
The method for treating water by adopting the device comprises the following steps:
1. raw water enters a raw water tank 4 through a water taking pump 1 and an electric automatic control valve 2, then enters an electric flocculation group A10, an electric flocculation group B11 and an electric flocculation group C12 which are connected in parallel through the electric automatic control valve 2, a flowmeter 9 and a lift pump 7, generates metal ions through electrodes, then is hydrolyzed to generate flocs for coagulation, then enters two serial filter tanks 14, one filter tank is filled with quartz sand, the other filter tank is filled with manganese sand, and the flocs and suspended matters are filtered and removed;
2. the oxygen generator 18 generates oxygen, the output oxygen is introduced into the ozone generator 19 through the freeze dryer to prepare ozone;
3. introducing the water filtered in the step one and the ozone prepared in the step two into a dissolved air pump 22 for mixing to prepare micro-nano bubble ozone water;
4. introducing the micro-nano bubble ozone water prepared in the third step into an ozone contact tower 24, and fully contacting ozone and water for treatment;
5. introducing the water treated in the step four into an activated carbon tank 25 for deep filtration treatment;
6. the water treated in the fifth step is sterilized by passing it through an ultraviolet sterilizer 26 and then through a clean water tank 27, and the clean water is supplied from the clean water tank 27 to the user side by a lift pump 7.
When the quality of the water discharged from the filter tank 14 in the second step reaches the standard, the water is introduced into the clean water tank 27 through the overrunning water outlet through the overrunning pipe 17.
Controlling the electric flocculation current as a pulse power supply, the exchange frequency is 500-1000 Hz, the voltage is 10-35V, the current is 30-150A, the pressure in the ozone dissolving tank is 0.15-0.25 MPa, and the water treatment capacity is 15-30 t/d.
In the actual water body, when the index of the high-manganese acid salt of the inlet water is 5-10 mg/L, the turbidity is 10-40 NTU and the chroma is 20-80, all water quality indexes meet the national drinking water safety standard, the turbidity is lower than 1NTU, the chroma is lower than 5, the removal rate of the high-manganese acid salt index is more than 50% and less than 3mg/L, and the removal rate of ammonia nitrogen is more than 40%.
The back washing process of the device is as follows: the water in the purified water tank 27 is introduced into the filter tank 14 through the back flush water inlet pipe 29 for flushing and then discharged;
or the water in the water purifying tank 27 is introduced into the activated carbon tank 25 for washing through the back flush water inlet 29 pipe and then is discharged;
controlling the back washing flow rate to be 2-5 times of the flow rate of the treated water; the containers are washed one by one independently.
The second embodiment:
the difference between the present embodiment and the first embodiment is: the device comprises an oxygen source (V) which is an air compressor 34, a freeze dryer 35 and a PSD oxygen generator 18;
the air passes through an air compressor 34, a freeze dryer 35 and oxygen prepared by a PSD oxygen generator 18 in sequence and is introduced into an ozone generator 19 to prepare ozone;
the micro-nano bubble generating device (VII) is a device combining a booster pump 36 and a water jet gun 37; a gas flowmeter 20 and a water-return-proof one-way valve 21 are arranged between the ozone generator 19 and the water-jet gun 37 and are communicated by a silica gel hose 30; the effluent of the filter tank 14 is led into a water injection gun through a booster pump 36;
ozone prepared by the ozone generator 19 is led into the water jet gun 37, and vacuum degree negative pressure is generated by a venturi nozzle and a throat pipe inside the water jet gun to drive ozone gas to be dissolved into water so as to form micro-nano bubble ozone water; the booster pump 36 in front of the water inlet of the water lance 37 can accelerate the flow rate of the water body.
Example three:
the difference between the present embodiment and the first embodiment is: the sterilizing device (X) is sodium hypochlorite sterilizing equipment. Through tests, the effect of treating water in the embodiment is equivalent to that in the first embodiment.
Claims (10)
1. A village and town drinking water integrated treatment device combining micro-nano bubble ozone oxidation and electric flocculation is characterized by comprising a gas transmission unit (I), a raw water storage device (II), an electric flocculation group (III), a filtering device (IV), an oxygen source (V), an ozone generating device (VI), a micro-nano bubble generating device (VII), ozone contact equipment (VIII), a depth filtering device (IX), a disinfecting device (X) and a purified water storage device (XI);
wherein the gas transmission unit (I) is communicated with a back flush gas inlet of the filtering device (IV) through a pipeline, and simultaneously the gas transmission unit (I) is communicated with a back flush gas inlet of the depth filtering device (IX) through a pipeline;
the water outlet of the raw water storage device (II) is communicated with the water inlet of the electric flocculation group (III), the water outlet of the electric flocculation group (III) is communicated with the water inlet of the filtering device (IV), and the water outlet of the filtering device (IV) is communicated with the water inlet of the micro-nano bubble generating device (VII); an oxygen source (V) is communicated with an air inlet of an ozone generating device (VI), and an air outlet of the ozone generating device (VI) is communicated with an air inlet of a micro-nano bubble generating device (VII); the water outlet of the micro-nano bubble generating device (VII) is communicated with the water inlet of ozone contact equipment (VIII); the water outlet of the ozone contact device (VIII) is communicated with the water inlet of the depth filtering device (IX), the water outlet of the depth filtering device (IX) is communicated with the water inlet of the disinfecting device (X), and the water outlet of the disinfecting device (X) is communicated with the water inlet of the purified water storage device (XI); the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the filtering device (IV), and the backwashing water outlet of the purified water storage device (XI) is communicated with the backwashing water inlet of the depth filtering device (IX); the filtering device (IV) is provided with a filtering back-flushing water outlet, and the depth filtering device (IX) is provided with a depth filtering back-flushing water outlet; the filtering device (IV) is provided with a water outlet of the surpassing pipe.
2. The integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation according to claim 1, wherein the electric flocculation group (III) is formed by connecting a plurality of groups of electric flocculation devices in parallel; wherein the electrode combination is an iron-iron electrode, an aluminum-aluminum electrode or an iron-aluminum electrode, and the power supply adopts a pulse power supply.
3. The integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation, as claimed in claim 1, wherein the filtration device (IV) is formed by connecting a plurality of filtration tanks in series, and the filter material is gravel, quartz sand, manganese sand, anthracite, garnet or ferromagnetic ore.
4. The integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation, according to claim 1, is characterized in that the oxygen source (V) comprises an oxygen production device and a drying device; the micro-nano bubble generating device (VII) is a device combining a dissolved air pump and a dissolved air tank, or the micro-nano bubble generating device (VII) is a device combining a booster pump and a water jet gun.
5. The integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electroflocculation according to claim 1, characterized in that the ozone contact device (VIII) is formed by connecting a plurality of ozone contact towers in series and filling an ozone catalyst.
6. The integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electroflocculation according to claim 1, wherein the depth filtration device (IX) is an activated carbon tank or a plurality of activated carbon tanks connected in series, and the filler is biochar, activated carbon, ionic resin, macromolecular resin, double-layer hydroxide, fiber balls, fiber bundle filter material or comet type fiber filter material.
7. The integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electrocoagulation as claimed in claim 1, wherein the disinfection device (X) is an ultraviolet disinfection device, a sodium hypochlorite disinfection device, a hypochlorous acid disinfection device or an automatic chlorine dosing device.
8. The integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation according to claim 1, is characterized in that a valve and a pipeline connected with the raw water tank II, the purified water tank XI and the ozone contact device VIII are made of stainless steel.
9. The water treatment method of the integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electroflocculation as claimed in claim 1, characterized by comprising the following steps:
1. raw water enters a raw water storage device (II), then enters an electric flocculation group (III), generates metal ions through electrodes, then is hydrolyzed to generate flocs for coagulation, and then enters a filtering device (IV) for filtering and removing the flocs and suspended matters;
2. introducing oxygen output by the oxygen source (V) into an ozone generating device (VI) to prepare ozone;
3. introducing the water filtered in the first step and the ozone prepared in the second step into a micro-nano bubble generating device (VII) for mixing to prepare micro-nano bubble ozone water;
4. introducing the micro-nano bubble ozone water prepared in the third step into ozone contact equipment (VIII), and fully contacting ozone and water for treatment;
5. introducing the water treated in the fourth step into a depth filtration device (IX) for depth filtration treatment;
6. and (4) introducing the water treated in the step five into a sterilizing device (X) for sterilizing, and then introducing the water into a purified water storage device (XI) to finish the treatment.
10. The water treatment method of the integrated village and town drinking water treatment device combining micro-nano bubble ozone oxidation and electric flocculation, according to claim 9, is characterized in that the backwashing process comprises the following steps: introducing water in the purified water storage device (XI) into the filtering device (IV) through a backwashing water inlet pipe for washing, and then discharging;
or the water in the purified water storage device (XI) is introduced into the depth filtering device (IX) through the backwashing water inlet pipe for washing and then discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211372603.5A CN115536184A (en) | 2022-11-02 | 2022-11-02 | Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211372603.5A CN115536184A (en) | 2022-11-02 | 2022-11-02 | Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115536184A true CN115536184A (en) | 2022-12-30 |
Family
ID=84721356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211372603.5A Pending CN115536184A (en) | 2022-11-02 | 2022-11-02 | Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115536184A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100940758B1 (en) * | 2009-05-22 | 2010-02-10 | (주)엔플라 | Apparatus for treating hybrid non-biodegradable wastwater using the ozone water comprising fine ozone bubbles |
| CN102115253A (en) * | 2011-01-14 | 2011-07-06 | 中国环境科学研究院 | Novel multi-technology synergetic catalysis advanced micro-bubble ozone oxidation tower |
| CN203212413U (en) * | 2013-05-07 | 2013-09-25 | 首钢京唐钢铁联合有限责任公司 | Coking wastewater advanced treatment system |
| CN204958499U (en) * | 2015-05-22 | 2016-01-13 | 上海东硕环保科技有限公司 | Novel advanced oxidation - ozone catalytic oxidation AOP waste water treatment device |
| CN205990323U (en) * | 2016-08-29 | 2017-03-01 | 秦皇岛国维环境工程有限公司 | The micro-nano bubble of novel ozone and multi-medium filtering comprehensive water treatment device |
| CN206538245U (en) * | 2016-09-12 | 2017-10-03 | 河北莫兰斯环境科技股份有限公司 | A kind of catalytic ozonation advanced treating cephalo pharmacy waste water system |
| CN110104759A (en) * | 2019-06-04 | 2019-08-09 | 北京赛科康仑环保科技有限公司 | A kind of efficient ozone catalytic oxidation technique and its processing system |
| CN110372137A (en) * | 2019-07-30 | 2019-10-25 | 河海大学 | A kind of rainwater purification system using photoelectrocatalysioxidization oxidization |
| CN111606465A (en) * | 2020-06-28 | 2020-09-01 | 华东交通大学 | Well water purification treatment equipment and purification treatment method |
| CN112321026A (en) * | 2020-11-16 | 2021-02-05 | 北京城市排水集团有限责任公司 | Wastewater treatment device and method by coupling ozone micro-nano bubble catalytic oxidation technology with ceramic membrane |
| CN216890540U (en) * | 2022-03-01 | 2022-07-05 | 山西铭睿恒信环保工程有限公司 | High-suspended solid high-concentration organic wastewater treatment device |
-
2022
- 2022-11-02 CN CN202211372603.5A patent/CN115536184A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100940758B1 (en) * | 2009-05-22 | 2010-02-10 | (주)엔플라 | Apparatus for treating hybrid non-biodegradable wastwater using the ozone water comprising fine ozone bubbles |
| CN102115253A (en) * | 2011-01-14 | 2011-07-06 | 中国环境科学研究院 | Novel multi-technology synergetic catalysis advanced micro-bubble ozone oxidation tower |
| CN203212413U (en) * | 2013-05-07 | 2013-09-25 | 首钢京唐钢铁联合有限责任公司 | Coking wastewater advanced treatment system |
| CN204958499U (en) * | 2015-05-22 | 2016-01-13 | 上海东硕环保科技有限公司 | Novel advanced oxidation - ozone catalytic oxidation AOP waste water treatment device |
| CN205990323U (en) * | 2016-08-29 | 2017-03-01 | 秦皇岛国维环境工程有限公司 | The micro-nano bubble of novel ozone and multi-medium filtering comprehensive water treatment device |
| CN206538245U (en) * | 2016-09-12 | 2017-10-03 | 河北莫兰斯环境科技股份有限公司 | A kind of catalytic ozonation advanced treating cephalo pharmacy waste water system |
| CN110104759A (en) * | 2019-06-04 | 2019-08-09 | 北京赛科康仑环保科技有限公司 | A kind of efficient ozone catalytic oxidation technique and its processing system |
| CN110372137A (en) * | 2019-07-30 | 2019-10-25 | 河海大学 | A kind of rainwater purification system using photoelectrocatalysioxidization oxidization |
| CN111606465A (en) * | 2020-06-28 | 2020-09-01 | 华东交通大学 | Well water purification treatment equipment and purification treatment method |
| CN112321026A (en) * | 2020-11-16 | 2021-02-05 | 北京城市排水集团有限责任公司 | Wastewater treatment device and method by coupling ozone micro-nano bubble catalytic oxidation technology with ceramic membrane |
| CN216890540U (en) * | 2022-03-01 | 2022-07-05 | 山西铭睿恒信环保工程有限公司 | High-suspended solid high-concentration organic wastewater treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102139990B (en) | Ultrasonic combined waste water treatment process and system of refuse leachate | |
| CN202924850U (en) | Advanced wastewater oxidation system | |
| CN201433143Y (en) | External pressure type ultra-filtration membrane water purification device | |
| CN102417259A (en) | Method for removing iron and manganese from water body in membrane combination process | |
| CN101269903B (en) | Further advanced treatment technique and apparatus for sewage water of oil refining | |
| CN104310663A (en) | Combined system for hydroxyl radical (.OH) strong oxidation treatment of high algae-laden water | |
| CN204265513U (en) | Heterocatalysis ozone-oxidizing device | |
| CN102050529B (en) | Immersed water treatment device of inner circulating membrane coagulation reactor | |
| CN212050834U (en) | Coke quenching waste water ozone catalytic oxidation device | |
| CN101215061B (en) | Pretreatment method and device for sea water desalination | |
| CN210457807U (en) | High-efficient ozone catalytic oxidation advanced treatment unit of printing and dyeing wastewater | |
| CN207811506U (en) | Circulating water effluent purifies reutilization system | |
| CN115536184A (en) | Integrated treatment device for town drinking water by combining micro-nano bubble ozone oxidation and electric flocculation and water treatment method thereof | |
| RU109134U1 (en) | STATION FOR ELECTROCOAGULATIVE PREPARATION AND SOFTENING OF DRINKING WATER | |
| CN214399924U (en) | Flocculation treatment equipment based on electric field | |
| CN212954720U (en) | Garbage leachate micro-electrolysis membrane method integrated treatment equipment for garbage transfer station | |
| RU109131U1 (en) | STATION FOR ELECTROCOAGULATIVE PREPARATION OF DRINKING WATER WITH A WATER PRESSURE SYSTEM | |
| CN208218511U (en) | The processing unit of high-concentration sewage | |
| CN105060586A (en) | Coating wastewater treatment apparatus | |
| RU101707U1 (en) | PREPARATION SYSTEM FOR INDUSTRIAL AND DOMESTIC WASTE WATERS | |
| CN110697929A (en) | Method for treating black and odorous water body by hydroxyl radical active oxygen | |
| CN217947848U (en) | Advanced treatment device for printing and dyeing wastewater | |
| CN201534792U (en) | Water treatment device for internal circulation film coagulation reactor | |
| CN217265326U (en) | Landfill leachate advanced treatment device | |
| CN112358014B (en) | Flocculation treatment process based on electric field |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |