CN115304205A - Water purification equipment and method - Google Patents
Water purification equipment and method Download PDFInfo
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- CN115304205A CN115304205A CN202210971429.XA CN202210971429A CN115304205A CN 115304205 A CN115304205 A CN 115304205A CN 202210971429 A CN202210971429 A CN 202210971429A CN 115304205 A CN115304205 A CN 115304205A
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- Prior art keywords
- water
- ceramic membrane
- membrane filter
- ozone
- water inlet
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 307
- 238000000746 purification Methods 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 126
- 239000000919 ceramic Substances 0.000 claims abstract description 122
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000002156 mixing Methods 0.000 claims abstract description 38
- 239000002101 nanobubble Substances 0.000 claims abstract description 18
- 230000009471 action Effects 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 89
- 238000011001 backwashing Methods 0.000 claims description 50
- 238000004891 communication Methods 0.000 claims description 11
- 238000002834 transmittance Methods 0.000 claims description 11
- 244000005700 microbiome Species 0.000 abstract description 10
- 239000003651 drinking water Substances 0.000 abstract description 6
- 235000020188 drinking water Nutrition 0.000 abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 8
- 239000010935 stainless steel Substances 0.000 description 8
- 238000004659 sterilization and disinfection Methods 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 150000003384 small molecules Chemical class 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFYXNXGVLGKVCJ-FBIMIBRVSA-N 2-methylisoborneol Chemical compound C1C[C@@]2(C)[C@](C)(O)C[C@@H]1C2(C)C LFYXNXGVLGKVCJ-FBIMIBRVSA-N 0.000 description 1
- LFYXNXGVLGKVCJ-UHFFFAOYSA-N 2-methylisoborneol Natural products C1CC2(C)C(C)(O)CC1C2(C)C LFYXNXGVLGKVCJ-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- DTGKSKDOIYIVQL-UHFFFAOYSA-N dl-isoborneol Natural products C1CC2(C)C(O)CC1C2(C)C DTGKSKDOIYIVQL-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/04—Backflushing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/24—Magnetic effects
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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)
- Physical Water Treatments (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention relates to the technical field of drinking water treatment, in particular to a water purification device and a method, wherein the water purification device comprises: the ceramic membrane filter is provided with a ceramic membrane filter water inlet and a ceramic membrane filter water outlet; one end of the gas-liquid mixing pump is connected with the water outlet of the ceramic membrane filter, an ozone inlet is arranged on a pipe section of the gas-liquid mixing pump connected with the water outlet of the ceramic membrane filter, and the other end of the gas-liquid mixing pump is connected with the water inlet of the ceramic membrane filter; the water purification method comprises the following steps: ozone is introduced through an ozone inlet, the ozone generates ozone micro-nano bubbles under the action of a gas-liquid mixing pump, and then the ozone micro-nano bubbles act on the ceramic membrane filter; according to the method, ozone and water are fully mixed, and the ozone forms micro-nano bubbles under the action of a gas-liquid mixing pump; the ozone in the form of micro-nano bubbles is used for the ceramic membrane filter again to kill microorganisms on the ceramic membrane filter and prevent the ceramic membrane filter from being polluted due to the propagation of the microorganisms.
Description
Technical Field
The invention relates to the technical field of drinking water treatment, in particular to a water purification device and a method.
Background
The existing common treatment process of drinking water adopts electrolysis or manual addition of chlorine-containing medicaments such as chlorine dioxide, sodium hypochlorite and the like for disinfection. However, the chlorine-containing disinfectant can generate chlorination reaction with organic matters in the water body to generate chlorination disinfection byproducts.
In order to solve the above problems, in the prior art, a ceramic membrane may be used to filter water.
However, the application of ceramic membranes in drinking water treatment and membrane pollution control of Yankee project mentioned in Yankee text that the ceramic membranes are easily polluted, which seriously affects the efficiency and quality of water treatment.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to overcome the defect that the ceramic membrane adopted in the prior art is easily polluted, which results in the reduction of the efficiency and quality of water treatment, and based on the above situation, it is necessary to develop a water purification device for eliminating the pollution of the ceramic membrane.
In order to achieve the above object, the present invention provides a water purification apparatus comprising:
the ceramic membrane filter is provided with a ceramic membrane filter water inlet and a ceramic membrane filter water outlet;
one end of the gas-liquid mixing pump is connected with the water outlet of the ceramic membrane filter, an ozone inlet is arranged on a pipe section of the gas-liquid mixing pump connected with the water outlet of the ceramic membrane filter, and the other end of the gas-liquid mixing pump is connected with the water inlet of the ceramic membrane filter.
Optionally, the method further comprises:
and the electrolytic ozone generator is connected with the ozone inlet.
Optionally, the method further comprises:
the activated carbon filter is provided with an activated carbon filter water inlet and an activated carbon filter water outlet, the activated carbon filter water inlet is connected with the ceramic membrane filter water outlet, and the activated carbon filter water outlet is connected with the gas-liquid mixing pump.
Optionally, the method further comprises:
the ultraviolet reactor is provided with an ultraviolet reactor water inlet and an ultraviolet reactor water outlet, the ultraviolet reactor water inlet is connected with the ceramic membrane filter water outlet, and the ultraviolet reactor water outlet is connected with the activated carbon filter water inlet.
Optionally, the method further comprises:
and the magnetizer is arranged on the pipe section between the water inlet of the ceramic membrane filter and the water inlet of the water purification equipment.
Optionally, the number of the ceramic membrane filters is two, and the ceramic membrane filters are arranged in parallel; the ceramic membrane filter is also provided with a back-washing water inlet and a back-washing water outlet; the backwashing water inlet is connected with a backwashing water inlet valve, and the backwashing water outlet is connected with a backwashing water discharge valve; the backwashing water inlet valve is connected with a backwashing pump; water pressure sensors are arranged at the water inlet of the ceramic membrane filter and the water outlet of the ceramic membrane filter;
the two water pressure sensors, the backwashing water inlet valve, the backwashing water discharge valve and the backwashing pump are all in signal connection with the main controller.
Optionally, the uv reactor comprises:
a light intensity sensor;
a light transmittance sensor;
a flow meter;
an ultraviolet lamp tube;
and the ultraviolet reactor controller is connected with the light intensity sensor, the light transmittance sensor, the flowmeter and the ultraviolet lamp tube.
Optionally, the method further comprises:
a water quality sensor;
a camera;
a temperature and humidity sensor;
the main controller is connected with the water quality sensor, the camera, the temperature and humidity sensor, the water pressure sensor, the electrolytic ozone generator and the ultraviolet reactor controller;
the cloud server is connected with the master controller;
and the user side is in communication connection with the cloud server.
The invention also provides a water purification method, which utilizes the water purification equipment for treatment and comprises the following steps:
ozone is introduced through the ozone inlet, and the ozone generates ozone micro-nano bubbles under the action of the gas-liquid mixing pump, and then acts on the ceramic membrane filter.
The invention also provides a water purification method, which is used for treatment by the water purification equipment and comprises the following steps:
and calculating transmembrane pressure difference between two ends of the two groups of ceramic membrane filters connected in parallel, and when the transmembrane pressure difference reaches a threshold value, backwashing the other group of ceramic membrane filters by using the produced water of one group of ceramic membrane filters, and alternately backwashing.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the present invention provides a water purification apparatus comprising: the ceramic membrane filter is provided with a ceramic membrane filter water inlet and a ceramic membrane filter water outlet; one end of the gas-liquid mixing pump is connected with the water outlet of the ceramic membrane filter, an ozone inlet is arranged on a pipe section of the gas-liquid mixing pump connected with the water outlet of the ceramic membrane filter, and the other end of the gas-liquid mixing pump is connected with the water inlet of the ceramic membrane filter; according to the technical scheme, the ceramic membrane filter is used for filtering water, so that the influence of a chlorine-containing disinfectant is eliminated; but also uses ozone to disinfect the water filtered by the ceramic membrane filter; meanwhile, the gas-liquid mixing pump utilizes the impeller rotating at high speed to form strong negative pressure and tangential force action to fully mix ozone and water, the dissolving efficiency of the ozone can reach more than 90 percent, the ozone forms micro-nano bubbles in the water, and the retention time of the ozone in the water is prolonged; the ozone in the form of micro-nano bubbles is used for the ceramic membrane filter again to kill microorganisms on the ceramic membrane filter and prevent the ceramic membrane filter from being polluted due to the propagation of the microorganisms.
2. The water purification apparatus provided by the present invention further comprises: the electrolytic ozone generator is connected with the ozone inlet; the ozone generator supplies ozone, water supply electrolysis is fully utilized to generate ozone, and the ozone generator is convenient and reliable.
3. The water purification apparatus provided by the present invention further comprises: the activated carbon filter is provided with an activated carbon filter water inlet and an activated carbon filter water outlet, the activated carbon filter water inlet is connected with the ceramic membrane filter water outlet, and the activated carbon filter water outlet is connected with the gas-liquid mixing pump; the technical scheme of the application is provided with the activated carbon filter, so that the activated carbon filter not only can play a role in filtering, but also can adsorb small-molecule organic pollutants; and when the ozone in the form of micro-nano bubbles passes through the activated carbon filter, the reproduction of microorganisms on the activated carbon filter can be prevented, and micro-polluted organic matters adsorbed by the activated carbon filter can be decomposed, so that the adsorption efficiency of the activated carbon filter can be improved, and the service life of the activated carbon filter can be prolonged.
4. The water purification apparatus provided by the present invention further comprises: the ultraviolet reactor is provided with an ultraviolet reactor water inlet and an ultraviolet reactor water outlet, the ultraviolet reactor water inlet is connected with the ceramic membrane filter water outlet, and the ultraviolet reactor water outlet is connected with the activated carbon filter water inlet; this application is through setting up the disinfection of ultraviolet reactor, unites ultraviolet ray disinfection and ozone disinfection, improves water treatment's purifying effect.
5. The water purification apparatus provided by the present invention further comprises: the magnetizer is arranged on the pipe section between the water inlet of the ceramic membrane filter and the water inlet of the water purification equipment; according to the ceramic membrane filter, the magnetizer is arranged in front of the ceramic membrane filter, and the structural form of the scale is changed under the action of a magnetic field, so that the scale is loose in texture and not easy to gather, and the scale is prevented from being generated on the ceramic membrane filter.
6. The ceramic membrane filters are two in number and are arranged in parallel; the ceramic membrane filter is also provided with a back-washing water inlet and a back-washing water outlet; the backwashing water inlet is connected with a backwashing water inlet valve, and the backwashing water outlet is connected with a backwashing water discharge valve; the backwashing water inlet valve is connected with a backwashing pump; water pressure sensors are arranged at the water inlet of the ceramic membrane filter and the water outlet of the ceramic membrane filter; the two water pressure sensors, the backwashing water inlet valve, the backwashing water discharge valve and the backwashing pump are all in signal connection with the main controller; according to the technical scheme, the water pressure sensor is arranged to measure the transmembrane pressure difference at two ends of the ceramic membrane filter, and when the transmembrane pressure difference reaches a certain threshold value, the backwashing pump is started to flush the ceramic membrane filter, so that the energy consumption of the backwashing pump is saved, and the downtime of the ceramic membrane filter is reduced; and moreover, two groups of ceramic membrane filters are arranged and are alternately washed, so that the normal operation of water treatment is ensured, and the shutdown of all the ceramic membrane filters is prevented.
7. The ultraviolet reactor of the invention comprises: a light intensity sensor; a light transmittance sensor; a flow meter; an ultraviolet lamp tube; the ultraviolet reactor controller is connected with the light intensity sensor, the light transmittance sensor, the flowmeter and the ultraviolet lamp tube; this application receives flow information through ultraviolet reactor controller, and the size of ultraviolet output dose is adjusted to control ultraviolet reactor to through light intensity sensor and luminousness sensor monitoring reflection ultraviolet output dose's size.
8. The water purification apparatus provided by the present invention further comprises: a water quality sensor; a camera; a temperature and humidity sensor; the main controller is connected with the water quality sensor, the camera, the temperature and humidity sensor, the water pressure sensor, the electrolytic ozone generator and the ultraviolet reactor controller; the cloud server is connected with the master controller; the user side is in communication connection with the cloud server; this application not only can monitor and control the output of adjusting the production volume of ozone and ultraviolet ray and output dosage through user side, cloud ware and master controller, monitors water purification equipment's internal situation and humiture moreover, prevents the emergence of unexpected situation, is favorable to water purification equipment's maintenance.
9. The water purification method provided by the invention comprises the following steps: ozone is introduced through an ozone inlet, the ozone generates ozone micro-nano bubbles under the action of a gas-liquid mixing pump, and then the ozone micro-nano bubbles act on a ceramic membrane filter; according to the technical scheme, ozone and water are fully mixed, and the ozone forms micro-nano bubbles under the action of a gas-liquid mixing pump; the ozone in the form of micro-nano bubbles is used for the ceramic membrane filter again to kill microorganisms on the ceramic membrane filter and prevent the ceramic membrane filter from being polluted due to the propagation of the microorganisms.
10. The water purification method provided by the invention comprises the following steps: calculating transmembrane pressure difference between two ends of two groups of ceramic membrane filters connected in parallel, and when the transmembrane pressure difference reaches a threshold value, backwashing the other group of ceramic membrane filters by using the produced water of one group of ceramic membrane filters, and alternately backwashing; according to the technical scheme, transmembrane pressure difference at two ends of the ceramic membrane filter is measured, and when the transmembrane pressure difference reaches a certain threshold value, the ceramic membrane filter is washed, so that energy consumption is saved, and the downtime of the ceramic membrane filter is reduced; and moreover, two groups of ceramic membrane filters are arranged and are alternately washed, so that the normal operation of water treatment is ensured, and the shutdown of all the ceramic membrane filters is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic internal perspective view of a water purification apparatus provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a water purification apparatus provided in an embodiment of the present invention;
fig. 3 is a schematic view of an internal front structure of a water purification apparatus provided in an embodiment of the present invention;
fig. 4 is a schematic view of an internal rear view structure of a water purification apparatus provided in an embodiment of the present invention;
fig. 5 is a schematic structural view of a magnetizer provided in an embodiment of the present invention;
FIG. 6 is a schematic structural view of a ceramic membrane filter provided in an embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a UV reactor provided in an embodiment of the present invention;
fig. 8 is a schematic structural view of an activated carbon filter according to an embodiment of the present invention.
Description of reference numerals:
1. a box body; 2. a magnetizer; 3. a ceramic membrane filter; 4. an ultraviolet reactor; 5. an electrolytic ozone generator; 6. an activated carbon filter; 7. a control subsystem; 8. a water inlet; 9. a ceramic membrane filter water inlet; 10. a water outlet of the ceramic membrane filter; 11. a water inlet of the ultraviolet reactor; 12. a water outlet of the ultraviolet reactor; 13. a water inlet of the activated carbon filter; 14. a water outlet of the activated carbon filter; 15. a water inlet of the gas-liquid mixing pump; 16. a water outlet of the gas-liquid mixing pump; 17. an ozone pipeline; 18. an ozone inlet; 19. a circulation pump; 20. a master controller; 21. a touch screen; 22. controlling the relay; 23. a water pressure sensor; 24. a water quality sensor; 25. a remote communication module; 26. a Beidou positioning module; 27. a universal wheel; 28. a hoisting ring; 29. a ventilation structure; 30. a camera; 31. a temperature and humidity sensor; 32. a water inlet electromagnetic valve; 33. a water outlet electromagnetic valve; 34. backwashing the water inlet valve; 35. backwashing the water inlet; 36. backwashing the drain valve; 37. back flushing the water outlet; 38. an ultraviolet reactor controller; 39. a water outlet; 40. a light intensity sensor; 41. a light transmittance sensor.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
An embodiment of a water purification apparatus for purifying drinking water, as shown in fig. 1 to 8, comprises: the device comprises a box body 1, a magnetizer 2, a ceramic membrane filter 3, an ultraviolet reactor 4, an electrolytic ozone generator 5, an activated carbon filter 6, a gas-liquid mixing pump, a main controller 20 and the like which are arranged in the box body 1.
As shown in fig. 1 to 4, the water inlet pressure of the water purifying apparatus depends on the external water supply pressure. For rural areas, water is generally directly pumped from a water well into a water supply pipeline by a variable-frequency constant-pressure water pump; water purification equipment is equipped with water inlet 8 and is connected with water supply pipe through the flange, and is specific, after one section stainless steel pipeline is connected to water inlet 8, is connected with water supply pipe through the flange. Water purification devices are typically installed in water well rooms.
Aiming at the living communities in urban areas, the water supply is generally realized by directly laying pipelines by municipal water supply plants for supplying water, most of water sources are surface water, and the water supply pressure is the water pressure of a water supply pump station or the water pressure of a secondary water supply pump house. This application water purification installation is installed on the main water supply pipeline of community, is connected through the water inlet 8 that the flange was equipped with water purification installation. Water purification equipment is typically installed in the water supply pumping room of a community.
The ceramic membrane filter 3 is provided with a ceramic membrane filter water inlet 9 and a ceramic membrane filter water outlet 10, and can filter most particle pollutants such as colloid in water. The water inlet 9 and the water inlet 8 of the ceramic membrane filter are connected through a pipe section. Specifically, the water inlet 9 and the water inlet 8 of the ceramic membrane filter are connected through a section of stainless steel pipeline and a flange. As shown in fig. 6, the ceramic membrane filter 3 includes: the ceramic filter element is externally wrapped with a polyvinyl chloride (PVC) plastic membrane shell or a glass fiber reinforced plastic membrane shell. And a ceramic membrane filter water inlet 9, a ceramic membrane filter water outlet 10, a backwashing water inlet 35 and a backwashing water outlet 37 are arranged outside the polyvinyl chloride plastic membrane shell or the glass fiber reinforced plastic membrane shell. The ceramic membrane filters 3 are arranged in parallel, and specifically, the ceramic membrane filters 3 are two groups of low-pressure tubular ultrafiltration ceramic membrane filters which are arranged in parallel; the water inlet 9 of the ceramic membrane filter is connected with a water inlet electromagnetic valve 32, and the water outlet 10 of the ceramic membrane filter is connected with a water outlet electromagnetic valve 33; the back-washing water inlet 35 is connected with a back-washing water inlet valve 34, and the back-washing water outlet 37 is connected with a back-washing water discharge valve 36; the backwash water inlet valve 34 is connected with a backwash pump; a water pressure sensor 23 is arranged at each of the water inlet 9 and the water outlet 10 of the ceramic membrane filter; the two water pressure sensors 23, the water inlet electromagnetic valve 32, the water outlet electromagnetic valve 33, the backwashing water inlet valve 34, the backwashing water discharge valve 36 and the backwashing pump are all connected with the main controller 20 through signals. Specifically, the backwash water inlet valve 34 and the backwash water outlet valve 36 are both solenoid valves.
A magnetizer 2 is arranged on a pipe section between the water inlet 9 and the water inlet 8 of the ceramic membrane filter, and specifically, as shown in fig. 5, the magnetizer 2 includes: the two semicircular permanent magnets are arranged on the pipe section through fixing pieces; the fixing piece is a hoop. The magnetizer 2 generates magnetic field intensity larger than 3000 gauss.
The ultraviolet reactor 4 is provided with an ultraviolet reactor water inlet 11 and an ultraviolet reactor water outlet 12. And the water inlet 11 of the ultraviolet reactor is connected with the water outlet 10 of the ceramic membrane filter. Specifically, the water inlet 11 of the ultraviolet reactor and the ceramic membrane filterThe water outlet 10 is connected with a flange through a section of stainless steel pipeline. As shown in fig. 7, the ultraviolet reactor 4 includes: a stainless steel reactor chamber, an ultraviolet light tube, a light intensity sensor 40, a light transmittance sensor 41, and an ultraviolet reactor controller 38. The ultraviolet reactor controller 38 is connected to the light intensity sensor 40, the light transmittance sensor 41, the flow meter and the ultraviolet lamp. For groundwater supply in rural areas, the lowest ultraviolet output dose of the ultraviolet reactor 4 is 40mJ/cm 2 (ii) a The dosage can effectively inactivate microorganisms, and the inactivation rate of Escherichia coli reaches over six Log. For the water supply of the living communities in the urban area, the output dosage of the ultraviolet reactor 4 can be automatically adjusted to 200-300 mJ/cm according to the actual requirement 2 (ii) a When microorganisms are effectively inactivated, micro-polluted organic matters and smelly substances appearing in water are effectively removed by combining micro-nano ozone, and the removal rate of the smelly substances, namely 2-methylisoborneol and bromine can reach more than 99%.
The activated carbon filter 6 is provided with an activated carbon filter water inlet 13 and an activated carbon filter water outlet 14, can play a role in filtering and can adsorb small-molecule organic pollutants. The water outlet 12 of the ultraviolet reactor is connected with the water inlet 13 of the activated carbon filter; specifically, the water outlet 12 of the ultraviolet reactor is connected with the water inlet 13 of the activated carbon filter through a section of stainless steel pipeline and a flange. The water outlet 14 of the activated carbon filter is connected with the input end of a gas-liquid mixing pump through a section of stainless steel pipeline and a flange, and the gas-liquid mixing pump is provided with a gas-liquid mixing pump water inlet 15 and a gas-liquid mixing pump water outlet 16. The first output end of the gas-liquid mixing pump, which is arranged at the water outlet 16 of the gas-liquid mixing pump, is connected with the water outlet 39 arranged on the water purification equipment through a section of stainless steel pipeline and a flange; a second output end of the gas-liquid mixing pump, which is arranged at the water outlet 16 of the gas-liquid mixing pump, is connected to a pipe section before the ceramic membrane filter 3 by a circulating pump 19. Specifically, the circulating pump 19 is a centrifugal pump; the reflux amount of the circulating pump 19 is generally about 10% of the effluent flow rate. As shown in fig. 8, the activated carbon filter 6 includes: the filter element is a compressed activated carbon cylinder with the filter diameter of 0.5-1 micron, can adsorb small molecular organic pollutants, reduces the chromaticity, and can improve the ultraviolet light transmittance (UVT 254) from 92% to more than 96%; an active carbon filter water inlet 13 and an active carbon filter water outlet 14 are arranged on the stainless steel shell.
The electrolytic ozone generator 5 includes: a pure water generating unit, an ozone generating unit and an ozone adding unit which are connected in sequence. The pure water generating unit takes water from a pipe section after the magnetizer 2. An ozone inlet 18 is arranged on a pipe section of the gas-liquid mixing pump connected with the water outlet 14 of the activated carbon filter, and the ozone adding unit is connected with the ozone inlet 18 through an ozone pipeline 17. Specifically, a tee joint is arranged on a pipe section of the gas-liquid mixing pump connected with the water outlet 14 of the activated carbon filter. Ozone is introduced into the pipe section behind the activated carbon filter 6, so that continuous disinfection can be ensured; the ozone water can be refluxed to the pipe section before the ceramic membrane filter 3 through a circulating pump 19; the propagation of microorganisms on the surface of the ceramic membrane filter 3 and the surface of the active carbon filter 6 is prevented, the backwashing frequency of the ceramic membrane filter 3 is reduced, and the service life of the active carbon filter 6 is prolonged.
A water quality sensor 24, a camera 30, a temperature and humidity sensor 31, a touch screen 21, a control relay 22, a remote communication module 25 and a Beidou positioning module 26 are further arranged in the box body 1; the main controller 20 is also arranged in the box body 1; and the main controller 20 is connected with the water quality sensor 24, the camera 30, the temperature and humidity sensor 31, the water pressure sensor 23, the electrolytic ozone generator 5, the ultraviolet reactor controller 38, the touch screen 21, the control relay 22, the remote communication module 25, the Beidou positioning module 26, the gas-liquid mixing pump and the circulating pump. The master controller 20 is further connected with a cloud server, the cloud server is in communication connection with a user side, and specifically, the user side is: a Web end or an APP end; touch-control screen 21 is connected with master controller 20 through RS232 communication line, and control relay 22 passes through the RV circuit and links to each other with master controller 20's IO interface, and water pressure sensor 23 and water quality sensor 24 pass through the RV circuit and master controller 20's IO interface connection, and remote communication module 25 passes through the RV circuit and master controller 20's IO interface connection, and big dipper orientation module 26 passes through 485 communication line and is connected with master controller 20. The master controller 20, the cloud server and the user side together form a control subsystem 7. The water pressure, PH value, turbidity, TDS and the like of the inlet water are monitored at the inlet water of the water purification equipment and fed back to the control subsystem 7; the water outlet pressure, pH value, turbidity, TDS, ozone concentration, reflux quantity and the like of the water outlet part of the water purification equipment are monitored and fed back to the control subsystem 7. The main controller 20 automatically adjusts the ozone adding amount and controls the rotating speed of the gas-liquid mixing pump and the circulating pump according to the monitored ozone concentration and the backflow amount of the circulating pump 19, so that energy conservation and consumption reduction are realized, and the energy can be saved by 30-40% when the water purification equipment is integrally operated. The main controller 20 monitors and controls the light intensity, the dosage and the light transmittance of the ultraviolet reactor 4, and automatically backflushes according to transmembrane pressure difference; and the operation state of the water purification equipment is monitored in real time through the remote communication module 25, and the operation parameters and the equipment maintenance information are remotely pushed to a user side. The user end can also receive user instructions to control through the main controller 20.
The box body 1 adopts a steel frame structure, and the integral strength of the box body is ensured. The floor of the box body 1 comprehensively considers the requirement of the water leakage waste water drainage function, adopts the convex-concave design, is convenient for water to flow out, and can increase the bearing strength. Four hoisting rings 28 are arranged at the top of the box body 1 so as to be convenient to hoist; universal wheels 27 are arranged at the bottom of the box body 1 so as to be convenient to move; the side of the box body 1 is provided with an openable door, the openable door is designed in an open mode, the openable door can be opened in all directions and at the top, and the openable door is convenient to install, operate and maintain. The top of the box body 1 is provided with a ventilation structure 29, specifically, the ventilation structure 29 is three exhaust fans, so as to ensure the diffusion of moisture in the box body 1 and facilitate the temperature and humidity control in the box body 1. A partition board is arranged in the box body 1, and a dry-wet separation design is adopted to separate dry parts from wet parts.
Water purification apparatus having a water treatment capacity of 1m 3 /h～20m 3 The method mainly comprises an ultraviolet combined electrolysis ozone multi-stage disinfection technology, a ceramic membrane micro-nano bubble ozone synergistic magnetization scale inhibition technology, a long-life efficient adsorption technology of micro-nano bubble ozone and activated carbon and an operation state real-time feedback intelligent energy-saving and consumption-reducing technology, and mainly solves the problems of agriculture and agricultureThe drinking water sanitation and safety guarantee and the water quality improvement of the whole village in the village area or the whole living community in the town area and the like.
As shown in fig. 2, the present invention also provides a water purification method comprising: the inlet water to be purified is magnetized by the magnetizer 2 and then enters the ceramic membrane filter 3 for filtering; then the filtered water enters an ultraviolet reactor 4 for sterilization and disinfection, and the sterilized and disinfected water enters an active carbon filter 6 for secondary filtration; the electrolytic ozone generator 5 is used for introducing ozone through the ozone inlet 18 to continuously disinfect the re-filtered water; ozone and water generate ozone micro-nano bubbles under the action of the gas-liquid mixing pump, and a part of ozone and water are discharged through a water outlet 39 of the water purification equipment, so that the purification is finished; and the other part of ozone and water flow back to the water inlet 9 of the ceramic membrane filter through the centrifugal pump so as to enable the ozone micro-nano bubbles to act on the ceramic membrane filter 3.
In the process of purifying water, transmembrane pressure difference between two ends of two groups of ceramic membrane filters 3 connected in parallel is calculated, when the transmembrane pressure difference reaches a threshold value, the produced water of one group of ceramic membrane filters 3 is utilized to back flush the other group of ceramic membrane filters 3, back flushing is alternately carried out, the back flushing strength is changed by adjusting the frequency of a frequency converter of a back flushing pump, and the transmembrane pressure difference can be set to be 0.25MPa; the backwashing time of each group of ceramic membrane filters 3 is about 15 to 30 seconds.
In an alternative embodiment, the permanent magnet is used to generate the magnetic field instead of being electrified to generate the magnetic field.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (10)
1. A water purification apparatus, comprising:
the ceramic membrane filter (3) is provided with a ceramic membrane filter water inlet (9) and a ceramic membrane filter water outlet (10);
one end of the gas-liquid mixing pump is connected with the water outlet (10) of the ceramic membrane filter, an ozone inlet (18) is arranged on a pipe section of the gas-liquid mixing pump connected with the water outlet (10) of the ceramic membrane filter, and the other end of the gas-liquid mixing pump is connected with the water inlet (9) of the ceramic membrane filter.
2. The water purification apparatus of claim 1, further comprising:
and the electrolytic ozone generator (5) is connected with the ozone inlet (18).
3. The water purification apparatus of claim 2, further comprising:
the activated carbon filter (6) is provided with an activated carbon filter water inlet (13) and an activated carbon filter water outlet (14), the activated carbon filter water inlet (13) is connected with the ceramic membrane filter water outlet (10), and the activated carbon filter water outlet (14) is connected with the gas-liquid mixing pump.
4. A water purification apparatus as claimed in claim 3, further comprising:
the ultraviolet reactor (4) is provided with an ultraviolet reactor water inlet (11) and an ultraviolet reactor water outlet (12), the ultraviolet reactor water inlet (11) is connected with the ceramic membrane filter water outlet (10), and the ultraviolet reactor water outlet (12) is connected with the activated carbon filter water inlet (13).
5. The water purification apparatus of claim 1, further comprising:
and the magnetizer (2) is arranged on the pipe section between the water inlet (9) of the ceramic membrane filter and the water inlet (8) of the water purification equipment.
6. Water purification apparatus according to any one of claims 1 to 5,
the ceramic membrane filters (3) are divided into two groups and are arranged in parallel; the ceramic membrane filter (3) is also provided with a back flush water inlet (35) and a back flush water outlet (37); the backwashing water inlet (35) is connected with a backwashing water inlet valve (34), and the backwashing water outlet (37) is connected with a backwashing water discharge valve (36); the backwashing water inlet valve (34) is connected with a backwashing pump; water pressure sensors (23) are arranged at the water inlet (9) and the water outlet (10) of the ceramic membrane filter;
the two water pressure sensors (23), the back flush water inlet valve (34), the back flush water outlet valve (36) and the back flush pump are all connected with the main controller (20) through signals.
7. Water purification apparatus according to claim 6, characterized in that the UV reactor (4) comprises:
a light intensity sensor (40);
a light transmittance sensor (41);
a flow meter;
an ultraviolet lamp tube;
and the ultraviolet reactor controller (38) is connected with the light intensity sensor (40), the light transmittance sensor (41), the flowmeter and the ultraviolet lamp tube.
8. The water purification apparatus of claim 7, further comprising:
a water quality sensor (24);
a camera (30);
a temperature/humidity sensor (31);
the main controller (20) is connected with the water quality sensor (24), the camera (30), the temperature and humidity sensor (31), the water pressure sensor (23), the electrolytic ozone generator (5) and the ultraviolet reactor controller (38);
a cloud server connected to the master controller (20);
and the user side is in communication connection with the cloud server.
9. A water purification method for treatment using the water purification apparatus as set forth in any one of claims 1 to 5, comprising:
ozone is introduced through the ozone inlet (18), and the ozone generates ozone micro-nano bubbles under the action of the gas-liquid mixing pump, and then the ozone micro-nano bubbles act on the ceramic membrane filter (3).
10. A water purification method for treatment using the water purification apparatus as claimed in any one of claims 6 to 8, comprising:
and (3) calculating transmembrane pressure difference between two ends of the two groups of ceramic membrane filters (3) connected in parallel, and when the transmembrane pressure difference reaches a threshold value, backwashing the other group of ceramic membrane filters (3) by using the produced water of one group of ceramic membrane filters (3) to alternately perform backwashing.
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