CN113845178A - Transmission type electrochemical drinking water purification system - Google Patents
Transmission type electrochemical drinking water purification system Download PDFInfo
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- CN113845178A CN113845178A CN202111231861.7A CN202111231861A CN113845178A CN 113845178 A CN113845178 A CN 113845178A CN 202111231861 A CN202111231861 A CN 202111231861A CN 113845178 A CN113845178 A CN 113845178A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4606—Treatment of water, waste water, or sewage by electrochemical methods for producing oligodynamic substances to disinfect the water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- 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)
- Water Treatment By Electricity Or Magnetism (AREA)
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Abstract
The invention relates to a transmission type electrochemical drinking water purification system, which comprises a water inlet pipe, a water inlet filtering mechanism, a multistage series transmission type electrode mechanism, a water outlet filtering mechanism and a water outlet one-way valve which are sequentially communicated, wherein the multistage series transmission type electrode mechanism comprises a plurality of transmission type electrochemical purification electrode groups which are sequentially arranged in parallel along the water flow direction, and each transmission type electrochemical purification electrode group comprises a titanium-based microfiltration material anode and a carbon fiber microfiltration material cathode which are arranged in parallel and are vertical to the water flow direction. Compared with the prior art, the invention realizes the filtration of water sources based on the electrochemical technology, takes the titanium-based microfiltration material as the anode and takes the carbon fiber material without catalyst as the cathode to form the transmission type electrochemical water purification structure, has the dual functions of the microfiltration membrane and the electrode, has excellent water purification capacity, and can be developed into a drinking water purification technology with obvious advantages.
Description
Technical Field
The invention belongs to the technical field of drinking water purification, and relates to a transmission type electrochemical drinking water purification system.
Background
Water is the origin of life, human lives and lives can not be boiled, and safe drinking water is a necessary condition for ensuring the health of people during outdoor activities. When people move in the field, such as scenes of tourism, geological exploration, emergency rescue, outdoor exploration, field survival, earthquake flood and the like, a large amount of clean water is difficult to carry, so that a portable field clean water drinking device suitable for field complex environment conditions is urgently needed.
Taking the Xinjiang farming-pasturing area as an example, the problems of difficult drinking and safe drinking in the farming-pasturing area exist for a long time due to special geographic positions and terrain factors. In the investigation of drinking water in the Xinjiang farming and pasturing areas, the drinking water in most areas mainly comprises well water, spring water and river water, and water resources are relatively short and dispersed, so that the drinking water is difficult for a long time. Meanwhile, great hidden dangers still exist in the aspect of drinking water safety, one is that heavy metal and arsenic exceed standards, and the other is that pathogenic microorganisms are at risk. Investigation finds that the bottled drinking water is mainly used for field drinking water of workers or tourists in the farming and animal husbandry areas in Xinjiang, but the bottled drinking water has the problems of inconvenient storage and carrying and the like, the core water purification technology and the portable device suitable for field drinking water in the farming and animal husbandry areas are developed, and the portable device has important significance for development of animal husbandry and tourism in the Xinjiang areas.
Chinese patent CN201433116Y discloses a multifunctional portable field water purification device, which filters pathogenic bacteria and suspended pollutants in raw water and reduces the concentration of soluble heavy metal ions in water through a one-way valve and a built-in filtering device, and is provided with a solar charging panel and a micro storage battery to provide electric energy for a lighting system. The shell of the device adopts a flashlight type shell, so that the water production amount of the water purifying device is limited to a certain extent.
Chinese patent CN204039150U discloses a portable fluorine and arsenic removing safe drinking water purifying device, which is provided with a fluorine content detector and an arsenic content detector, and cooperates with a filter chamber and a reverse osmosis chamber to work together, so that the device can achieve a better purifying effect under the condition of a smaller volume. The device is also provided with a groundwater lift pump, the main target water source is groundwater, and the groundwater is obtained and most of pollutants in the groundwater are removed.
Chinese patent CN205974015U discloses a portable water purifier, which comprises a water pump, an ultrafiltration membrane layer, an activated carbon layer, a filter paper layer, etc., and filters a water source through different filter layers inside the water purifier, so as to efficiently filter impurities such as organic precipitates, suspended matters, etc. in water and remove various pathogenic bacteria, soluble heavy metals, such as lead, arsenic, etc. in water. The purpose of directly converting water sources into direct drinking water is achieved, the water purification efficiency is high, and the water purification device is convenient to carry and use.
Chinese patent CN204509014U discloses a portable water purifying kettle with photocatalytic function, which effectively removes parasites, harmful bacteria and heavy metal ions in natural water source through an activated carbon filter layer, a membrane filter layer and a titanium dioxide filter layer, and ensures the safety of drinking water in field environment. The photocatalysis function is embodied in the selected titanium dioxide photocatalysis material, and the titanium dioxide photocatalysis material has stronger oxidability under the action of sunlight.
Chinese patent application CN109133271A discloses a portable electric filtration emergency water purifier, which is coupled with a pressurizing system, an electrochemical system, a filtering system and a disinfecting system, and can use general sewage, river water and seawater as water sources to purify the water into directly drinkable water, and can be used as a field portable emergency water purifying device. The filtering system adopts multi-stage combination of a coarse filtering membrane, a micro-filtering membrane and an ultrafiltration membrane to ensure the quality of effluent, but the problems of low effluent efficiency, poor continuous effluent capacity and the like need to be solved.
Chinese patent application CN112479447A discloses a device and a method for removing halogen-containing organic matters in water, which comprises a storage device for liquid to be treated, a water inlet pump and an electric filtering device which are connected in sequence. The electric filtering device is internally provided with a parallel anode and a cathode, wherein the anode is a membrane electrode modified by materials such as carbon-based and layered double hydroxides with electrocatalytic oxidation performance and halide ion adsorption or exchange capacity, and the cathode is a carbon-based electrode modified by metal or metal oxide. The electrodes involved have a short life and unstable materials and are therefore not suitable for drinking water treatment.
As mentioned above, the core technology of the prior common field direct drinking water purification process is limited to a membrane filtration method, an adsorption method, a photocatalysis method, an electrochemical method and the like, and has the problems of limited removal capacity, single pollutant removal, poor continuous operation capability, complex system or difficult standard reaching of effluent quality and the like.
Disclosure of Invention
The invention aims to provide a transmission type electrochemical drinking water purification system, which is used for solving the problems of limited removal capacity, single pollutant removal, poor continuous operation capacity, complex system or difficult standard water quality of outlet water of the existing water purification system and providing safe drinking water for field personnel.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a pass through formula electrochemistry drinking water purification system, includes the inlet tube that communicates in proper order, intake filter mechanism, multistage series connection pass through formula electrode mechanism, play water filter mechanism, play water check valve, wherein multistage series connection pass through formula electrode mechanism include a plurality of pass through formula electrochemistry purification electrode group that set up side by side in proper order along the rivers direction, pass through formula electrochemistry purification electrode group including set up side by side and with rivers direction looks vertically titanium-based microfiltration material positive pole and carbon fiber microfiltration material negative pole.
Furthermore, insulating separation nets are arranged between adjacent transmission type electrochemical purification electrode groups and between the titanium-based microfiltration material anode and the carbon fiber microfiltration material cathode.
Further, the insulating separation net comprises one of a nylon net and a polytetrafluoroethylene net.
Furthermore, the water inlet filtering mechanism comprises a water inlet filtering cavity communicated with the water inlet pipe and a multi-stage filter screen arranged in the water inlet filtering cavity.
Furthermore, the mesh number of the multi-stage filter screen is 50-500 meshes.
Furthermore, the effluent filtering mechanism comprises an effluent filtering cavity communicated with the multi-stage series connection transmission type electrode mechanism.
Furthermore, a hydraulic conveying mechanism is arranged between the water inlet pipe and the water inlet filtering mechanism, and the hydraulic conveying mechanism comprises a water pump or a manual water pump.
Furthermore, a drinking straw is communicated outside the water outlet one-way valve.
Furthermore, a water storage cavity is arranged between the water outlet one-way valve and the drinking straw.
In view of the dual performance of microfiltration and electrode reaction of the transmission type electrochemical system, the invention applies the transmission type electrochemical drinking water purification technology to a water purification system, provides a portable water purification system which has two functions of filtration and electrochemistry in the same component based on a transmission type electrode, realizes the pretreatment, deep level treatment and terminal water quality control of a water source sequentially through a water inlet filtration mechanism, a multistage series transmission type electrode mechanism and a water outlet filtration mechanism, and finally obtains safe drinking water which can be directly drunk.
Compared with the prior art, the invention has the following characteristics:
1) the invention realizes the filtration of water source based on electrochemical technology, wherein the electrochemical technology is an effective means specially aiming at ionized pollutants, and active substances and electrocution generated in the electrochemical process can denature, inactivate and kill protein structures of viruses in natural water source, so pathogenic microorganisms and filterable viruses can be effectively removed;
the permeable electrode is an electrochemical system with excellent properties, has the functions of a microfiltration membrane and an electrode, has a porous structure capable of intercepting small-diameter particles in a water body, including suspended matters, bacteria, partial viruses, large-size colloids and the like, and simultaneously has an electrocatalytic oxidation-reduction reaction on the surface of the electrode, an anode oxidizes and degrades pollutants, a cathode reduces metal ions, and heavy metals such as arsenic, copper, lead and the like and other pollutants can be removed;
2) the titanium-based microfiltration material is used as the anode, the property is stable, compared with other membrane materials, the titanium-based microfiltration material has the advantages of being more efficient, longer in service life, capable of effectively removing SS (suspended substances) and organic matters and the like, and compared with other electrode materials, the titanium-based electrode is higher in mass transfer rate and larger in contact area, and the efficiency can reach 5-10 times that of a traditional plate electrode;
meanwhile, the carbon fiber material without the catalyst is used as a cathode, so that active hydrogen can be generated, and healthy and safe drinking water can be obtained;
3) the invention arranges the nylon net, the polytetrafluoroethylene and other separation materials with stable properties between the cathode and the anode so as to avoid the short circuit of the cathode and the anode and ensure that the water distribution in the electrode is more uniform.
Drawings
FIG. 1 is a schematic diagram of a permeable electrochemical drinking water purification system according to an embodiment;
the notation in the figure is:
1-water inlet pipe, 2-hydraulic conveying mechanism, 3-water inlet filtering mechanism, 4-multi-stage series connection transmission type electrode mechanism, 401-titanium base micro-filtration material anode, 402-carbon fiber micro-filtration material cathode, 5-water outlet filtering mechanism, 6-water outlet one-way valve, 7-water storage cavity, 8-drinking water suction pipe and 9-insulation separation net.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example (b):
the transmission type electrochemical drinking water purification system shown in fig. 1 can be installed in a shell structure such as a bottle body and the like to form a portable water purification device suitable for the field. Wherein, the drinking water purification system comprises a water inlet pipe 1, a hydraulic conveying mechanism 2, a water inlet filtering mechanism 3, a multi-stage series connection transmission type electrode mechanism 4, a water outlet filtering mechanism 5, a water outlet one-way valve 6, a water storage cavity 7 and a drinking water suction pipe 8 which are sequentially communicated.
In this embodiment, inlet tube 1 installs in the bottle top, and water pump and locating the bottle are specifically selected for use to hydraulic conveying mechanism 2, can stretch into natural water with inlet tube 1 outer end during the use, and the suction effect through the water pump is with outside water source extraction to the device inside to provide the water source and filter conveying power, make it pass through subsequent each filtering mechanism smoothly.
The water inlet filtering mechanism 3 comprises a water inlet filtering cavity communicated with the water inlet pipe 1 and a multi-stage filter screen arranged in the water inlet filtering cavity. The multistage filter screen comprises a 50-mesh screen, an 80-mesh screen and a 100-mesh screen which are sequentially stacked from the water inlet direction to the water outlet direction and is used for intercepting suspended particles such as mineral impurities, colloidal impurities, micro-mud and rust and most pathogenic bacteria in water.
Multistage series connection transmission formula electrode mechanism 4 includes 2 through electrochemical purification electrode group along the rivers direction in proper order parallel arrangement, every through electrochemical purification electrode group all includes parallel arrangement and with rivers direction looks vertically titanium base microfiltration material positive pole 401 (Shanghai from normal environmental protection science and technology Limited, Ti Φ 2-E) and carbon fiber microfiltration material negative pole 402 (Shanghai from normal environmental protection science and technology Limited, CF2), possess multiple purification performance such as micro-filtration, electric catalytic oxidation reduction, electric disinfection, can carry out deep purification with the water source of process. Meanwhile, insulating separation nets 9 are respectively arranged between the 2 transmission type electrochemical purification electrode groups and between the titanium-based microfiltration material anode 401 and the carbon fiber microfiltration material cathode 402. In this embodiment, this insulating spacer net 9 chooses the nylon wire for use for avoid the short circuit condition between the electrode, and make the inside water distribution of electrode group more even, also can choose netted electrical insulation materials such as polytetrafluoroethylene net for use in other embodiments.
The effluent filtering mechanism 5 comprises an effluent filtering cavity communicated with the multi-stage series connection transmission type electrode mechanism 4, and ensures that the effluent quality reaches the sanitary standard of drinking water.
In order to adapt to the water shortage environment which may occur in the field, the water storage cavity 7 is arranged at the outlet of the water outlet filtering mechanism 5 in the embodiment, so as to collect, store and purify the drinkable clean water. And the water outlet one-way valve 6 is arranged between the water outlet filtering mechanism 5 and the water storage cavity 7 and is used for preventing drinkable clean water in the water storage cavity 7 from being mixed with water to be treated of a higher level.
In addition, in order to improve the drinking convenience, one end of the drinking straw 8 extends to the bottom of the bottle body and is communicated with the water storage cavity 7. Meanwhile, in other embodiments, the hydraulic conveying mechanism 2 and the water storage cavity 7 can be removed, so that the suction force generated by the user at the drinking straw 8 provides water source filtering and conveying power, and the water purifying and drinking functions are synchronously realized.
Under the normal condition, the working voltage of the hydraulic conveying mechanism 2 or the suction force of a user during drinking water is adjusted to realize the regulation and control of the purification rate, so that the integral water outlet rate is controlled to be more than 1L/h, and the basic water drinking amount required by the human body in the actual field environment can be ensured;
the Cr (VI)/MO mixed solution containing 100.0mg/L Cr (VI) and 50.0mg/L Methyl Orange (MO) is used as a water sample to be purified, and under the conditions of constant current of 250.0mA and 1.5mL/min, the Cr (VI) removal rate of the effluent can reach 99.9 percent after the effluent is treated by the transmission type electrochemical drinking water purification system.
The solution containing 100.0mg/L Cr (VI) is used as a water sample to be purified, the water outlet effect is best under the conditions of constant current of 250.0mA and 3.5mL/min, the removal rate of Cr (VI) is as high as 99.9 percent, and the water sample has stronger stability and higher repeatability.
The above test results show that the permeable electrochemical system composed of the titanium-based microfiltration material as the anode and the carbon fiber material without catalyst as the cathode in this example has good water purification performance in the specific example of treating the chromium-containing wastewater.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (6)
1. The utility model provides a pass through formula electrochemistry drinking water clean system, its characterized in that, this system is including inlet tube (1), the filtering mechanism (3) of intaking that communicate in proper order, multistage series connection pass through formula electrode mechanism (4), play water filtering mechanism (5), play water check valve (6), wherein multistage series connection pass through formula electrode mechanism (4) include a plurality of pass through formula electrochemistry purification electrode group that set up side by side in proper order along the rivers direction, pass through formula electrochemistry purification electrode group including set up side by side and with rivers direction looks vertically microfiltration titanium-based material positive pole (401) and carbon fiber microfiltration material negative pole (402).
2. A transmission-type electrochemical drinking water purification system according to claim 1, wherein an insulating separation net (9) is provided between adjacent titanium-based microfiltration material anode (401) and carbon fiber microfiltration material cathode (402).
3. A permeable electrochemical drinking water purification system according to claim 1, wherein the insulating spacer net (9) comprises one of a nylon net and a teflon net.
4. The permeable electrochemical drinking water purification system according to claim 1, wherein the inlet water filter mechanism (3) comprises an inlet water filter chamber communicating with the inlet water pipe (1), and a multi-stage filter screen disposed in the inlet water filter chamber.
5. The system of claim 1, wherein the multi-stage filter mesh is 50-500 mesh.
6. The permeable electrochemical drinking water purification system according to claim 1, wherein a hydraulic conveying mechanism (2) is provided between the water inlet pipe (1) and the inlet water filtering mechanism (3), and the hydraulic conveying mechanism (2) comprises a water pump or a manual water pump.
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| CN202111231861.7A CN113845178A (en) | 2021-10-22 | 2021-10-22 | Transmission type electrochemical drinking water purification system |
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| CN202111231861.7A CN113845178A (en) | 2021-10-22 | 2021-10-22 | Transmission type electrochemical drinking water purification system |
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