CN110803814A - Intelligent water purification system - Google Patents

Intelligent water purification system Download PDF

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Publication number
CN110803814A
CN110803814A CN201810880960.XA CN201810880960A CN110803814A CN 110803814 A CN110803814 A CN 110803814A CN 201810880960 A CN201810880960 A CN 201810880960A CN 110803814 A CN110803814 A CN 110803814A
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China
Prior art keywords
detection unit
water
inlet
purification
intelligent
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CN201810880960.XA
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Chinese (zh)
Inventor
李明
王茹洁
段聪文
赵鹏
李博
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North China Electric Power University
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North China Electric Power University
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Priority to CN201810880960.XA priority Critical patent/CN110803814A/en
Publication of CN110803814A publication Critical patent/CN110803814A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/66Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/722Oxidation by peroxides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/727Treatment of water, waste water, or sewage by oxidation using pure oxygen or oxygen rich gas
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/10Photocatalysts

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)

Abstract

The invention discloses an intelligent water purification system and a use method thereof, wherein the intelligent water purification system comprises at least one stage of intelligent water purification device, and the intelligent water purification device comprises a first detection unit, a photooxidation reactor, a filter column, a second detection unit, an intermediate valve, a purification coil, a third detection unit and a tail valve, wherein inlet water sequentially flows through the first detection unit, the photooxidation reactor, the filter column, the second detection unit, the intermediate valve, the purification coil, the third detection unit and the tail valve. The first detection unit detects the water inlet and then sends a power adjustment signal to the ultraviolet lamp to adjust the power of the ultraviolet lamp in the photo-oxidation reactor, and the second detection unit detects the water outlet of the filter column and then sends a gating signal to the intermediate valve to selectively communicate the first standard-reaching discharge port or the purification coil inlet; and the third detection unit detects the water outlet of the purification coil and then sends a gating signal to the tail valve to select to communicate the second standard-reaching discharge port or the accident water outlet. In conclusion, the system adjusts the operation parameters and the treatment steps according to the detected water quality, and is flexible in operation, environment-friendly and energy-saving.

Description

Intelligent water purification system
Technical Field
The invention relates to the field of water treatment, in particular to an intelligent water purification system and a using method thereof.
Background
Organic matters, microorganisms and heavy metals are three common pollutants in water. The treatment methods may vary depending on the concentration and/or nature of the contaminants.
The organic matter treating method includes microbe method, physical method and chemical method. The treatment method of the microorganism mainly comprises a filtration method, a chemical sterilization method, an ultraviolet sterilization method and the like. The treatment method of heavy metal mainly includes coagulating sedimentation method, adsorption method, etc. The separate treatment of these pollutants is time-consuming and labor-consuming, requires a large number of equipment, and often wastes resources. Therefore, how to provide a more efficient, compact and integrated treatment system becomes an urgent challenge in the field of water treatment.
The utility model with publication number of CN 202542910U discloses a cylindrical reactor made of attapulgite material sintered by adding adhesive, with odd layer pore canal at the periphery, and anatase TiO prepared by sol-gel method attached to the inner wall of the inner ring cylinder2And (3) catalyzing the membrane. The water flow reciprocates up and down in the direction from the periphery to the inner ring in the reactor, and organic matters in the water are removed by photocatalysis in the inner ring after heavy metals are removed by adsorption in the outer ring. The treatment device can remove heavy metals and organic pollutants simultaneously, but has large power loss and long treatment period.
The invention with publication number CN 107628724A discloses a drinking water treatment device and a treatment method for removing heavy metals in water, wherein a control system of the device controls an electromagnetic valve on a pipeline according to the monitoring result of a monitoring module on the content of the heavy metals in raw water, so that the raw water passes through the corresponding treatment module, and the heavy metals in the water are removed mainly by adopting a coagulation sedimentation and magnetization adsorption method. The invention selects the treatment steps by using the control system, can adapt to the changing water quality, reduces the cost, but is only effective to free heavy metals, is difficult to remove the heavy metals combined with organic matters, and has larger equipment volume.
Therefore, the prior art still has the defects and needs to be made up and improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the intelligent water purification system and the use method thereof, which can automatically adjust the operation parameters of the system according to the quality of inlet water, remove organic matters, heavy metals and microorganisms in water, and have the advantages of short treatment period and low cost.
The invention provides an intelligent water purification system which comprises at least one stage of intelligent water purification device, wherein each stage of intelligent water purification device comprises a first detection unit, a photooxidation reactor, a filter column, a second detection unit, a middle valve, a purification coil pipe, a third detection unit and a tail valve, wherein inlet water sequentially flows through the first detection unit, the photooxidation reactor, the filter column, the second detection unit, the middle valve, the purification coil pipe, the third detection unit and the tail valve.
An ultraviolet lamp is arranged in the photo-oxidation reactor, and the first detection unit detects the flowing water and then sends a power adjustment signal to the ultraviolet lamp;
the inlet water flows in from the inlet of the intermediate valve, and two outlets of the intermediate valve are respectively connected with the inlet of the purification coil and the first standard water outlet; the second detection unit detects the inflow water flowing through and sends a gating signal to the intermediate valve;
the inlet water flows in from the inlet of the tail valve, and two outlets of the tail valve are respectively connected with the accident water outlet and the second standard water outlet; the third detection unit detects the inflow water flowing through and sends a gating signal to the tail valve;
the first detection unit, the second detection unit and the third detection unit respectively comprise a heavy metal detector, a COD detector and a microorganism detector and are respectively connected with the power supply module through circuits;
a layer of modified attapulgite hydrogel with the thickness of 0.5-3mm is attached to the inner wall of the purification coil pipe.
Preferably, a detachable metal filter screen is arranged at an inlet of the first detection unit. The metal filter screen can be used to filter the large granule pollutant of intaking, not only protects the detector and filters the post, still accessible improves into water luminousness and then improves the photooxidation treatment effeciency. Further preferably, the filter screen can be fixed on the cross section of the water inlet in a buckling connection or threaded connection mode, and the size of a sieve pore of the metal filter screen is 60-80 meshes.
Preferably, the photo-oxidation reactor is a horizontal cylindrical photo-oxidation reactor, and the filter column and the purification coil are spirally arranged on the outer wall of the horizontal cylindrical photo-oxidation reactor. The cross section of the photo-oxidation reactor is circular, inlet water enters along the circular tangential direction and flows spirally along the inner wall of the photo-oxidation reactor, the contact time with ultraviolet light is long, the contact area is large, and the photo-oxidation reaction efficiency can be improved. Meanwhile, the intelligent purification device takes a horizontal cylindrical photo-oxidation reactor as a main body, and has compact structure and small occupied area.
Still preferably, the ultraviolet lamp in the photo-oxidation reactor is covered with a translucent quartz cover. In the operation process of the system, inert gas is filled in the quartz cover or the quartz cover is vacuumized, so that the ultraviolet lamp is prevented from being overheated, oxidized and aged, and the service life of the ultraviolet lamp is prolonged.
Preferably, the power of the ultraviolet lamp is adjustable, the power of the ultraviolet lamp is set to a plurality of gears, each gear corresponds to a determined power value and a determined system preset index, and when the detection value of the system water inflow falls into the corresponding system preset index, the power selects the gear corresponding to the system preset index. The system preset index is a numerical range.
Preferably, the intelligent purification system further comprises a controller connected with the first detection unit, the second detection unit and the third detection unit, and the controller transmits detection results of the first detection unit, the second detection unit and the third detection unit to a server or a user side through a communication module; the controller is also connected with a control panel arranged on the outer wall of the intelligent water purifying device. The intelligent purification system can perform various operations through the control panel, can also be remotely controlled on the server or the user side, and can transmit water quality monitoring data to the server or the user side for water reference of the user or scientific research or environmental protection and the like.
Preferably, the inner wall of the photo-oxidation reactor is provided with a pressure sensor and/or a temperature sensor which are connected with the controller. The pressure and temperature sensors continuously detect the temperature and pressure in the reactor in the running process of the photo-oxidation reactor, and when the temperature and the pressure exceed the preset values of the system, the system can automatically enter a protection mode. The protection mode comprises automatic power-off or starting a cooling and pressure reduction measure. Further preferably, the photo-oxidation reactor is provided with an aeration and cooling device and a pressure relief port which are connected with the controller, and the aeration and cooling device or the pressure relief port is opened when the temperature or the pressure exceeds a preset value.
Preferably, the intelligent water purifier further comprises power equipment, wherein the power equipment is connected with an inlet of the intelligent water purifier and is used for driving water to enter. Further preferably, the first detection unit of the intelligent water purification device further comprises a flow detector, and the flow detector detects the inflow of water and sends a power adjustment signal to the power equipment. The power equipment is used for introducing water to be treated into the intelligent water purifying device, and a user can adjust the water inlet flow according to other factors such as water consumption demand.
Preferably, the intelligent water purifying device comprises two stages, and an accident water outlet of the first-stage intelligent water purifying device is connected with an inlet of a first detection unit of the second-stage intelligent water purifying device.
The invention also provides a using method of the intelligent water purification system, which can be implemented according to the following steps:
step one, the system starts to feed water, the fed water flows through a first detection unit, the first detection unit detects the fed water, the obtained detection data is compared with a preset index of the system, a corresponding power adjustment signal is sent to an ultraviolet lamp according to the comparison result, and the ultraviolet lamp adjusts the power to a corresponding power value;
step two, the inlet water flows out of the first detection unit and flows into a photo-oxidation reactor, and photo-oxidation is carried out under the ultraviolet lamp adjusted in the step one to obtain oxidation treatment liquid;
step three, allowing the oxidation treatment liquid to flow out of the photo-oxidation reactor and flow through a filter column to obtain a filtrate; filtrate flows into a second detection unit, the second detection unit detects the filtrate flowing through, the obtained detection data is compared with a preset index of the system, when the detection value is smaller than the preset value, a gating signal communicated with the first standard-reaching water outlet is sent to the intermediate valve, the outlet of the purification coil is closed, and the filtrate enters the first standard-reaching water outlet through the intermediate valve and is discharged; when the detected value is larger than the preset value, a gating signal communicated with the inlet of the purification coil is sent to the intermediate valve, the outlet of the first standard-reaching water outlet is closed, and filtrate enters the purification coil through the intermediate valve;
step four, the inlet water enters a third detection unit after flowing through the purification coil, the third detection unit detects the flowing inlet water, the obtained detection data is compared with a preset index of the system, when the detection numerical value is smaller than the preset numerical value, a gating signal for opening a second standard-reaching water outlet is sent to a tail valve, the accident water outlet is closed, and the inlet water enters the second standard-reaching water outlet through the tail valve and is discharged; and when the detected value is greater than the preset value, sending a gating signal communicated with the accident water outlet to the tail valve, closing the second standard water outlet, and allowing inlet water to enter the accident water outlet through the tail valve and be discharged.
After entering the intelligent purification system, the inlet water is sequentially subjected to photo-oxidation, filtration and purification. Wherein, the ultraviolet light can kill microorganisms and catalyze the decomposition of organic matters, and can also decompose part of heavy metals existing in an organic form and in water into an inorganic free form; the filtering column can intercept and adsorb particles with poor water solubility, such as microorganisms killed in the photooxidation process, organic fragments, inorganic free heavy metals and the like, but the filtering column has a poor adsorption effect on heavy metal ions, and in order to guarantee the removal rate of the heavy metals, a purification coil can be arranged behind the filtering column, the diameter of the coil is small, and the inner wall of the coil is attached with modified attapulgite hydrogel, so that the contact area and the contact chance of inlet water and an adsorbent can be increased, and the removal rate of the heavy metals is improved. In order to ensure that the quality of the discharged water reaches the standard and the treatment cost is lower, the system detects the inlet water and adjusts the parameters and steps of the operation of the system according to the detection result.
Preferably, in the using method of the intelligent water purification system, the preset index of the system in the step one is a group of water quality value intervals, and each interval corresponds to a certain ultraviolet lamp power value. The first detection unit compares the detection data with the group of water quality value intervals, finds the water quality value interval corresponding to the detection data, and adjusts the power of the ultraviolet lamp to the power value of the ultraviolet lamp corresponding to the water quality value interval; and step three and step four, the system preset index is a determined numerical value which can be defined by a user, and a national or local corresponding water quality standard value can also be adopted.
Preferably, in the use method, the inlet water in the step one is pretreated water, and the pretreatment comprises pH adjustment and/or catalyst or oxidant addition. Further preferably, the pH is adjusted to 5-8, the catalyst can be selected from nano titanium dioxide powder or iron powder, and the oxidant is oxygen or hydrogen peroxide.
Preferably, when the intelligent purification device is provided with a controller and a control panel connected with the controller, a user can select to remotely control the system to be started or adjust the system operation parameters through a terminal and a user side, or start the system or modify the operation parameters on the control panel; meanwhile, the detection data of the first detection unit, the second detection unit and the third detection unit are transmitted to a server, so that a sound area water quality information network can be established or used for scientific research and the like; the monitoring data is transmitted to the user terminal and can be used as a reference for water consumption of the user.
Preferably, when the temperature and pressure sensors connected with the controller are arranged on the inner wall of the photooxidation reactor in the intelligent purification device, the pressure sensors and the temperature sensors transmit detection information to the controller in real time during photooxidation reaction, and the system starts a protection mode when the temperature or the pressure exceeds a preset value of the system.
Compared with the prior art, the intelligent water purification system disclosed by the invention at least has the following advantages:
(1) the optimal purification process can be selected according to the water quality condition of inlet water, so that the time and materials are saved, and the quality of outlet water stably reaches the standard;
(2) COD, microorganisms and heavy metals in the water can be removed simultaneously;
(3) the intelligent purification device in the system has compact structure, can be manufactured in different scales and is suitable for various water environments;
(4) the system can be highly intelligent, manual operation is reduced, and the use is more convenient and simpler;
(5) various treatment means are organically combined for use, so that pollutants are eliminated step by step, and the effluent is ensured to reach the standard.
Drawings
Fig. 1 is a schematic process diagram of an intelligent water purification system provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an intelligent water purifying device provided in embodiment 1 of the present invention;
wherein, 1 is a first detection unit, 2 is a photo-oxidation reactor, 3 is a filter column, 4 is a second detection unit, 5 is a middle valve, 6 is a purification coil, 7 is a third detection unit, 8 is a tail valve, 9 is a controller, 10 is a power module, and 11 is an inlet of the first detection unit; 12 is a COD detector, 13 is a microorganism detector, 14 is a heavy metal detector, 21 is an ultraviolet lamp, 51 is a first standard-reaching water outlet, 52 is a purification coil inlet, 81 is a second standard-reaching water outlet, and 82 is an outlet of an intelligent purification device;
the arrows in fig. 1 indicate the flow direction of the incoming water in the system.
Detailed Description
Example 1
An intelligent water purification system is shown in a process schematic diagram in figure 1 and comprises a primary intelligent water purification device, wherein in the intelligent water purification device, inlet water sequentially flows through a first detection unit 1, a photo-oxidation reactor 2, a filter column 3, a second detection unit 4, an intermediate valve 5, a purification coil 6, a third detection unit 7 and a tail valve 8. The first detection unit 1 detects inflow water flowing through and then sends a power adjustment signal to the ultraviolet lamp so as to adjust the power of the ultraviolet lamp; the second detection unit 4 detects the inflow water flowing through and sends a gating signal to the intermediate valve 5 so as to select the flow direction of the outflow water of the filter column 3; the third detection unit 7 detects the inflow water flowing through and sends a gating signal to the tail valve 8, so as to select the flow direction of the outflow water of the purification coil.
The primary intelligent water purifying device has a structure as shown in fig. 2, the photo-oxidation reactor 2 is a horizontal cylindrical photo-oxidation reactor, and the filter column 3 and the purifying coil 6 are spirally arranged on the outer wall of the horizontal cylindrical photo-oxidation reactor; the ultraviolet lamp 21 in the photo-oxidation reactor 2 is covered by a transparent quartz cover; an ultraviolet lamp 21 is arranged in the photo-oxidation reactor 2, and two outlets of the intermediate valve are respectively connected with the first standard water outlet 51 and the inlet 52 of the purification coil; two outlets of the tail valve are respectively connected with a second standard water outlet 81 and an accident water outlet 82; the first detection unit 1 comprises a COD detector 12, a microorganism detector 13 and a heavy metal detector 14, is connected with the controller 9 and is connected with the power module 10 through a circuit, and the second detection unit 4 and the third detection unit 7 have the same structure as the first detection unit 1 and are also respectively and simultaneously connected with the controller 9 and the power module 10; a layer of modified attapulgite hydrogel with the thickness of 0.5-3mm is attached to the inner wall of the purification coil 6.
The specific use method of the intelligent water purification system shown in fig. 1 is as follows:
firstly, a user side or a terminal sends a system starting instruction to a controller 9, the controller 9 sends a water inlet instruction, inlet water flows into a first detection unit 1 from an inlet 11 of the first detection unit 1, the first detection unit 1 detects the inlet water, obtained detection data are compared with a system preset index, a corresponding power adjusting signal is sent to an ultraviolet lamp 21 according to a comparison result, and the ultraviolet lamp 21 adjusts the power to a corresponding power value;
step two, the inlet water flows out of the first detection unit 1 and flows into a photo-oxidation reactor 2, and photo-oxidation is carried out under the ultraviolet lamp 21 adjusted in the step one to obtain oxidation treatment liquid;
thirdly, the oxidation treatment liquid flows out of the photo-oxidation reactor 2 and flows through a filter column 3 to obtain filtrate; filtrate flows into a second detection unit 4, the second detection unit 4 detects the filtrate flowing through, the obtained detection data is compared with a preset index of the system, when the detection value is smaller than the preset value, a gating signal communicated with a first standard-reaching water outlet 51 is sent to an intermediate valve 5, a purification coil inlet 52 is closed, and the filtrate enters the first standard-reaching water outlet 51 through the intermediate valve 5 and is discharged; when the detected value is larger than the preset value, a gating signal communicated with an inlet 52 of the purification coil is sent to the intermediate valve 5, an outlet 51 of the first standard-reaching water outlet is closed, and the filtrate enters the purification coil 6 through the intermediate valve 5;
step four, the inlet water enters a third detection unit 7 after flowing through the purification coil 6, the third detection unit 7 detects the flowing inlet water, the obtained detection data is compared with a preset index of the system, when the detection value is smaller than the preset value, a gating signal for opening a second standard-reaching water outlet 81 is sent to a tail valve 8, an accident water outlet 82 is closed, and the inlet water enters the second standard-reaching water outlet 81 through the tail valve 8 and is discharged; when the detected value is larger than the preset value, a gating signal communicated with the accident drainage port 82 is sent to the tail valve 8, the second standard-reaching drainage port 81 is closed, and inlet water enters the accident drainage port 82 through the tail valve 8 and is drained.
In the operation process of the intelligent water purification system, detection data of the first detection unit 1, the second detection unit 4 and the third detection unit 7 are transmitted to the controller 9 and then transmitted to the terminal server through the communication module for storage and use.
Example 2
An intelligence water purification system, on the basis of the intelligence water purification system disclosed in embodiment 1, has increased control panel and sensor and alarm that link to each other with the controller. The sensor comprises a temperature sensor and a pressure sensor which are both arranged on the inner wall of the ultraviolet light oxidation reactor, and the alarm is connected with the sensor in series. The detection value of the sensor is transmitted to the controller, the detection value is compared with a preset index of the system, and when the detection value exceeds the preset index of the system, an alarm instruction is sent out, the alarm gives an alarm, and meanwhile, the system is automatically powered off and stops water inflow. Sensor monitoring data pass through control panel and show, user's accessible control panel opens intelligent water purification system.
Example 3
The utility model provides an intelligence water purification system, on embodiment 2's basis, increases second level intelligent purification device, and the device structure is the same with first level intelligent purification device, and its entry communicates with first level intelligent purification device's accident outlet for advanced treatment is by the not up to standard sewage of first level intelligent purification device's accident outlet discharge.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.

Claims (8)

1. An intelligent water purification system is characterized by comprising at least one stage of intelligent water purification device, wherein the intelligent water purification device comprises a first detection unit, a photooxidation reactor, a filter column, a second detection unit, an intermediate valve, a purification coil, a third detection unit and a tail valve, wherein inlet water sequentially flows through the first detection unit, the photooxidation reactor, the filter column, the second detection unit, the intermediate valve, the purification coil, the third detection unit and the tail valve;
an ultraviolet lamp is arranged in the photo-oxidation reactor, and the first detection unit detects the flowing water and then sends a power adjustment signal to the ultraviolet lamp;
the inlet water flows in from the inlet of the intermediate valve, and two outlets of the intermediate valve are respectively connected with the inlet of the purification coil and the first standard water outlet; the second detection unit detects the inflow water flowing through and sends a gating signal to the intermediate valve;
the inlet water flows in from the inlet of the tail valve, and two outlets of the tail valve are respectively connected with the accident water outlet and the second standard water outlet; the third detection unit detects the inflow water flowing through and sends a gating signal to the tail valve;
the first detection unit, the second detection unit and the third detection unit respectively comprise a heavy metal detector, a COD detector and a microorganism detector and are respectively connected with the power supply module through circuits;
a layer of modified attapulgite hydrogel with the thickness of 0.5-3mm is attached to the inner wall of the purification coil pipe.
2. The intelligent water purification system of claim 1, wherein the photo-oxidation reactor is a horizontal cylindrical photo-oxidation reactor, and the filter column and the purification coil are spirally arranged on the outer wall of the horizontal cylindrical photo-oxidation reactor.
3. The intelligent water purification system of claim 1, further comprising a controller connected to the first detection unit, the second detection unit and the third detection unit, wherein the controller transmits the detection results of the first detection unit, the second detection unit and the third detection unit to a server or a user side through a communication module; the controller is also connected with a control panel arranged on the outer wall of the intelligent water purifying device.
4. The intelligent water purification system of claim 3, wherein a detachable metal screen is provided at an inlet of the first detection unit; and a pressure sensor and/or a temperature sensor connected with the controller are/is arranged on the inner wall of the photo-oxidation reactor.
5. The intelligent water purification system of claim 1, further comprising a power plant connected to the inlet of the intelligent water purification unit for driving water intake.
6. The intelligent water purification system of claim 1, comprising two stages of the intelligent water purification devices, wherein the emergency water outlet of the first stage of the intelligent water purification device is connected with the inlet of the first detection unit of the second stage of the intelligent water purification device.
7. A method of using the intelligent water purification system of any one of claims 1 to 6, comprising the steps of:
step one, the system starts to feed water, the fed water flows through a first detection unit, the first detection unit detects the fed water, the obtained detection data is compared with a preset index of the system, a corresponding power adjustment signal is sent to an ultraviolet lamp according to the comparison result, and the ultraviolet lamp adjusts the power to a corresponding power value;
step two, the inlet water flows out of the first detection unit and flows into a photo-oxidation reactor, and photo-oxidation is carried out under the ultraviolet lamp adjusted in the step one to obtain oxidation treatment liquid;
step three, allowing the oxidation treatment liquid to flow out of the photo-oxidation reactor and flow through a filter column to obtain a filtrate; filtrate flows into a second detection unit, the second detection unit detects the filtrate flowing through, the obtained detection data is compared with a preset index of the system, when the detection value is smaller than the preset value, a gating signal communicated with the first standard-reaching water outlet is sent to the intermediate valve, the outlet of the purification coil is closed, and the filtrate enters the first standard-reaching water outlet through the intermediate valve and is discharged; when the detected value is larger than the preset value, a gating signal communicated with the inlet of the purification coil is sent to the intermediate valve, the first standard-reaching water outlet is closed, and filtrate enters the purification coil through the intermediate valve;
step four, the inlet water enters a third detection unit after flowing through the purification coil, the third detection unit detects the flowing inlet water, the obtained detection data is compared with a preset index of the system, when the detection numerical value is smaller than the preset numerical value, a gating signal for opening a second standard-reaching water outlet is sent to a tail valve, the accident water outlet is closed, and the inlet water enters the second standard-reaching water outlet through the tail valve and is discharged; and when the detected value is greater than the preset value, sending a gating signal communicated with the accident water outlet to the tail valve, closing the second standard water outlet, and allowing inlet water to enter the accident water outlet through the tail valve and be discharged.
8. The water purification method of claim 7, further comprising a fifth step of flowing the inlet water into the inlet of the first detection unit of the next intelligent water purification device after the inlet water is discharged through the emergency water outlet of the previous intelligent water purification device, and repeating the first to fourth steps for further purification.
CN201810880960.XA 2018-08-04 2018-08-04 Intelligent water purification system Pending CN110803814A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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