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WO2020042509A1 - Système de refiltration d'eau potable - Google Patents

Système de refiltration d'eau potable Download PDF

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Publication number
WO2020042509A1
WO2020042509A1 PCT/CN2018/125328 CN2018125328W WO2020042509A1 WO 2020042509 A1 WO2020042509 A1 WO 2020042509A1 CN 2018125328 W CN2018125328 W CN 2018125328W WO 2020042509 A1 WO2020042509 A1 WO 2020042509A1
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WO
WIPO (PCT)
Prior art keywords
filter unit
water
unit
filter
carbon filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/125328
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English (en)
Chinese (zh)
Inventor
邝德昌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2020042509A1 publication Critical patent/WO2020042509A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • 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
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/02—Odour removal or prevention of malodour

Definitions

  • the invention relates to a drinking water pre-filtration system and belongs to the technical field of water purification equipment.
  • the water purification device is a water treatment equipment that performs deep filtration and purification treatment on the water quality according to the requirements for the use of water.
  • the water purification device can effectively filter out rust, gravel, colloid in water, and adsorb residual chemicals such as chlorine, odor, odor, and pesticide in water. Can effectively remove bacteria, germs, toxins, heavy metals and other impurities in water.
  • the application of water purification technology in the field of drinking water will make the phenomenon of "not adhering to soil and water" quickly become history, effectively solving many endemic diseases caused by harmful substances in groundwater in many places. At the same time, tap water or groundwater sources are susceptible to secondary pollution for various reasons.
  • Filtering drinking water can effectively filter and filter harmful substances such as sand, mud, rust and bacteria. However, if the filter material is not replaced in a long-term use, it will also cause secondary or tertiary pollution of the water quality, which will harm people's drinking health. At the same time, because the main water pipe is mainly supplied by metal or plastic, when used for a period of time, the rust, sand and mud are polluted, and the water pipe is prone to aging, bursting and leaking, which affects normal life and causes property damage. Therefore, a good safety is designed. Drinking water pre-filtration system is of great significance.
  • an embodiment of the present invention provides a drinking water pre-filtering system, which filters drinking water through multiple filtering units.
  • the filtered water has good sanitation and is healthy and safe for household use.
  • a drinking water pre-filtration system includes a casing, and the casing is sequentially provided with a water inlet pipe, an ultrafiltration unit, a resin filtration unit, an activated carbon filtration unit, a composite activated carbon filtration unit, and a rear carbon filtration unit in accordance with the direction of water flow.
  • a three-way joint is provided between the composite activated carbon filter unit and the rear carbon filter unit.
  • the water inlet of the three-way joint is connected to the pipeline of the composite activated carbon filter unit, and one of the water outlets of the three-way joint is connected to the
  • the rear carbon filter unit is in communication with the pipeline, the other water outlet of the three-way joint is connected with a pressure sensing pipeline, and the pressure sensing pipeline is provided with a low-pressure sensor at an end remote from the three-way joint.
  • a flow meter is provided between the water inlet pipe and the ultrafiltration unit.
  • a manual sewage outlet is also provided on one side of the ultrafiltration unit.
  • the housing is provided with an ultrafiltration unit fixing seat for fixing the ultrafiltration unit.
  • the housing is further provided with a fixing frame for fixing the rear carbon filter unit.
  • the housing is provided with a protective cover, and the ultrafiltration unit and the rear carbon filter unit are located inside the housing and the protective cover.
  • a resin filter unit upper cover is provided above the resin filter unit, a filter unit water inlet and a filter unit water outlet are provided on the resin filter unit upper cover, and a porous inside the resin filter unit is provided
  • the end of the porous filter screen remote from the filter screen connector has a groove.
  • a soft water-permeable cushion layer is wound on the groove and the surface of the porous screen.
  • a KDF filter unit is further provided after the rear carbon filter unit.
  • the rust, bacteria, organic matter, heavy metals and acidic ions in drinking water are used to achieve the effect of purifying water quality.
  • the post-carbon filter unit is used to improve the taste, safety and environmental protection, and good hygiene;
  • the filter system can be equipped with multiple sensors to monitor the water quality TDS value and ORP value in real time, and has a water leakage warning function.
  • the control chip can be used to transmit the processed data to a display structure such as a display screen. It can be transmitted to a computer, mobile phone or server through wireless transmission, and the corresponding information is displayed in real time, which is convenient for management and maintenance.
  • FIG. 1 is a schematic structural diagram of a drinking water pre-filtration system according to the first embodiment of the present invention.
  • FIG. 2 is a schematic diagram of the internal structure of a drinking water pre-filtration system after removing a protective cover in Embodiment 1 of the present invention.
  • FIG. 3 is a filtering flowchart of each unit in the system according to the first embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an internal structure of a resin filtering unit in Embodiment 3 of the present invention.
  • an embodiment of the present invention first provides a drinking water pre-filtration system, which includes a housing 10.
  • the housing 10 is sequentially provided with a water inlet pipe 20 and an ultrafiltration unit according to a water flow direction. 22.
  • the water inlet is connected to the pipeline of the composite activated carbon filter unit 25, one of the water outlets of the three-way joint 26 is connected to the pipeline of the rear carbon filter unit 27, and the other water outlet of the three-way joint 26 is connected to a pressure sensing pipeline 40.
  • a low-pressure sensor 41 is disposed on one end of the pressure sensing pipeline 40 away from the three-way joint 26.
  • a KDF filter unit 28 can also be provided.
  • the KDF filter unit 28 can filter heavy metals and chlorine in water.
  • Ultrafiltration unit 22 is one of the membrane separation technologies using pressure as the driving force. Under the pressure, water flows through the membrane surface, and the water smaller than the membrane pores and the small molecule solute permeable membrane becomes purified water, which is an impurity larger than the membrane pores. Retained and discharged with water.
  • the ultrafiltration process is dynamic filtration. The separation is completed in a flowing state. Impurities are deposited on the surface of the membrane. The ultrafiltration rate decays to a certain extent and will tend to balance. The filtration function can be restored by cleaning the impurities.
  • the ultrafiltration unit can filter impurities such as rust and bacteria that are larger than 0.01 ⁇ m in water.
  • the resin filter unit 23 is filled with a resin filter material 50.
  • the resin filter material 50 is a type of high molecular polymer, also called an adsorption resin, which can be used to remove organic matter in water, decolorize sugar liquids, and separate and refine natural products and biochemical products. Wait.
  • adsorption resin There are many types of adsorption resins. Variations in monomers and changes in functional groups on the monomers can give the resin various special properties. Commonly used are high molecular polymers such as polystyrene resins and polyacrylate resins.
  • Adsorption resin is a resin adsorbent with porous three-dimensional structure, which is characterized by adsorption. It is a kind of porous resin newly developed in the polymer field in recent years.
  • the resin filtering unit 23 has the following functions: it can adsorb organic matters in water; calcium carbonate; decolorize, clarify, and transparent filter liquid; it can filter particles and impurities; it has good deodorizing effect; it can remove residual chlorine in water.
  • the activated carbon filter unit 24 is filled with activated carbon, which can use the porous nature of activated carbon to adsorb fine substances in water. It is often used for decolorization, deodorization, dechlorination, removal of organic matter and heavy metals, removal of synthetic detergents, bacteria, viruses and radioactivity in water treatment. Pollutants.
  • the composite activated carbon filter unit 25 uses PP cotton core composite activated carbon, which can filter 1 micron floats and chloride ions.
  • the carbon filter unit 27 is mainly filled with coconut shell activated carbon, which can absorb other flavors in the water and improve the taste. .
  • the three-way joint 26 is divided into one water inlet and two water outlets.
  • the water inlet is connected to the pipeline of the composite activated carbon filter unit 25.
  • One water outlet of the three-way connector 26 is connected to the pipeline of the rear carbon filter unit 27.
  • the three-way joint The other water outlet of 26 is connected to the low-pressure sensor 41.
  • the low-pressure sensor 41 can sense the water pressure in the system and monitor the pressure drop or no pressure in real time.
  • the KDF filter unit 28 is filled with KDF filter material.
  • KDF is a high-purity zinc-copper alloy, which can perfectly remove heavy metals, acid ions, chloride ions and chlorine gas in water, improve the degree of activation of water, and be more conducive to the body's effect on water. Absorb, protect human health, and promote human metabolism.
  • a water outlet pipe 29 is connected to the rear end of the KDF filter unit 28, and a water outlet solenoid valve 291 is provided on the water outlet pipe 29.
  • a flow meter 21 is provided between the water inlet pipe 20 and the ultrafiltration unit 22, and the flow rate of water in the system can be detected through the flow meter 21.
  • a sewage outlet is provided on one side of the ultrafiltration unit 22, and the sewage outlet can be a manual sewage outlet 30 or an electric sewage valve 31, and the impurities filtered by the ultrafiltration unit 22 are discharged through the sewage outlet.
  • the housing 10 is provided with an ultrafiltration unit fixing seat 13 for fixing the ultrafiltration unit 22, and the housing 10 is further provided with a fixing frame 12 for fixing the rear carbon filter unit 27 and the KDF filter unit 28, and the ultrafiltration unit.
  • the fixing base 13 and the fixing frame 12 can improve the reliability of various structures in the casing 10.
  • the housing 10 is provided with a protective cover 11.
  • the ultrafiltration unit 22, the rear carbon filter unit 27 and the KDF filter unit 28 are located in a closed space surrounded by the housing 10 and the protective cover 11.
  • a water quality detection sensor may be disposed after the ultrafiltration unit 22 and the KDF filtration unit 28.
  • the water leakage detection sensor can be set in the casing 10, and the control chip can analyze the data detected by the low pressure sensor 41, the flow meter 21, the water quality detection sensor and the water leakage detection sensor, calculate the water quality TDS value, ORP value, and have a water leakage warning function
  • the control chip can transmit the processed data to a display structure such as a display screen, or it can be transmitted to a computer, mobile phone or server by wireless transmission, and the corresponding information is displayed in real time.
  • the low-voltage sensor 41 can be a middle-load ITiGER fast connection, 1828-A low-voltage switch sensor; the water quality detection sensor uses a TDS water quality probe; the probe of the water leakage detection sensor uses an analog resistance design. When there is no moisture on the probe surface, The resistance value is infinite. In the presence of moisture, the resistance value decreases with the increase of humidity, thereby realizing the water leakage warning function.
  • the filtering structure of the resin filtering unit 23, the activated carbon filtering unit 24, or the composite activated carbon filtering unit 25 can be further improved.
  • the specific structure is as follows: a resin filter unit cover 231 is provided above the resin filter unit 23, a filter unit water inlet 232 and a filter unit water outlet 233 are provided on the resin filter unit upper cover 231, and a porous filter 234 is provided inside the resin filter unit 23
  • the porous filter screen 234 has a gap with the inner wall of the resin filter unit 23, the porous filter screen 234 is filled with the resin filter material 50, and a filter joint 235 is provided above the porous filter screen 234, and the filter joint 235 is in communication with the water inlet 232 of the filter unit.
  • the upper cover 231 of the resin filter unit is detachably connected to the porous filter 234.
  • the resin filter 50 is first filled into the porous filter 234, and then the porous filter 234 is connected to the upper cover 231 of the resin filter unit.
  • the upper cover 231 of the resin filter unit is fixedly connected to the main structure of the resin filter unit 23.
  • the water flow first enters the filter joint 235 from the water inlet 232 of the filter unit, and then enters the inside of the porous filter 234. After filtering through the resin filter 50, it enters the porous filter 234 and the resin filter unit 23 from the mesh of the porous filter 234.
  • the gap of the inner wall then leaves from the water outlet 233 of the filter unit.
  • This structure can increase the stroke of the water flow in the resin filtering unit 23, thereby improving the filtering effect.
  • the porous screen 234 has a groove 236 at an end remote from the filter joint 235, and a soft water-permeable cushion layer 60 is wound on the surface of the groove 236 and the porous screen 234.
  • a soft water-permeable cushion layer 60 is used to protect the outside of the porous filter 234 and filter through resin It can be found in the direction of the water flow in the unit 23 that the bottom of the resin filtering unit 23 is prone to the deposition of impurities.
  • the water flow is filtered to a certain extent through the isolation of the soft water-permeable pad 60 to prevent impurities from entering the position.
  • the layer 60 may be made of a porous sponge structure.
  • the structure of the groove 236 has three functions. First, it can reduce the volume in the porous screen 234 and the amount of the resin filter 50. Second, it can improve the tightness of the soft water-permeable cushion layer 60 to prevent it from falling off.
  • the porous screen 234 has a certain degree of flexibility. When the porous screen 234 is inserted into the inner wall of the resin filter unit 23, it can gradually achieve a tight state with the inner wall of the resin filter unit 23.

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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)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

La présente invention concerne le domaine technique des dispositifs de purification d'eau, et concerne un système de refiltration d'eau potable, comprenant un boîtier. Une conduite d'entrée d'eau, une unité d'ultrafiltration, une unité filtrante à résine, une unité filtrante à charbon actif, une unité filtrante à charbon actif composite et une unité filtrante arrière à charbon sont disposées séquentiellement sur le boîtier selon une direction d'écoulement d'eau ; un raccordement à trois voies est disposé entre l'unité filtrante à charbon actif composite et l'unité filtrante arrière à charbon ; une entrée d'eau du joint à trois voies est en communication à canalisation avec l'unité filtrante à charbon actif composite ; l'une des sorties d'eau du raccordement à trois voies est en communication à canalisation avec l'unité filtrante arrière à charbon, et l'autre sortie d'eau du raccordement à trois voies est reliée à une canalisation de détection de pression ; une extrémité de la canalisation de détection de pression espacée du raccordement à trois voies est pourvue d'un capteur basse tension. Dans la solution technique, des substances nocives telles que la rouille, les bactéries, les matières organiques, les métaux lourds et les ions acides dans l'eau potable sont filtrées au moyen des unités filtrantes, de telle sorte que l'effet de purification de la qualité de l'eau est réalisé ; en outre, l'utilisation de l'unité filtrante arrière de carbone améliore le goût de l'eau. Par conséquent, le système est sûr, respectueux de l'environnement, et hygiénique.
PCT/CN2018/125328 2018-08-30 2018-12-29 Système de refiltration d'eau potable Ceased WO2020042509A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201811006367.9 2018-08-30
CN201811006367.9A CN108840485B (zh) 2018-08-30 2018-08-30 一种饮用水前置过滤系统

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WO2020042509A1 true WO2020042509A1 (fr) 2020-03-05

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WO (1) WO2020042509A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108840485B (zh) * 2018-08-30 2021-10-22 邝德昌 一种饮用水前置过滤系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035102A1 (fr) * 2004-09-27 2006-04-06 M.S. Eagle Oy Dispositif filtrant
CN102139988A (zh) * 2010-02-01 2011-08-03 陈杰雄 植物酶素健康水的生产方法及其设备
WO2012105739A1 (fr) * 2011-01-31 2012-08-09 순천향대학교 산학협력단 Purificateur d'eau pour convertir de l'eau brute en eau activée par des ions alcalins minéraux
CN204325019U (zh) * 2014-07-30 2015-05-13 向国山 厨饮一体式厨房净水器
CN204543677U (zh) * 2015-04-27 2015-08-12 刘文涛 一种改进的高效活性炭净水器
CN108071136A (zh) * 2016-11-18 2018-05-25 湖北万慧百纳科技有限公司 一种从空气中提取具有保健功能的直饮水的方法
CN108840485A (zh) * 2018-08-30 2018-11-20 邝德昌 一种饮用水前置过滤系统

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CN2584080Y (zh) * 2002-12-13 2003-11-05 深圳新世纪饮水科技有限公司 一种饮水机进水装置
JP2014094337A (ja) * 2012-11-08 2014-05-22 Shinjiro Osawa 浄水器
CN204838990U (zh) * 2015-08-18 2015-12-09 福建八骏马节能科技有限公司 自出水多滤芯净水茶盘
CN205084509U (zh) * 2015-11-10 2016-03-16 太原创客空间科技有限公司 净水机智能测控系统
CN208814802U (zh) * 2018-08-30 2019-05-03 邝德昌 一种饮用水前置过滤系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035102A1 (fr) * 2004-09-27 2006-04-06 M.S. Eagle Oy Dispositif filtrant
CN102139988A (zh) * 2010-02-01 2011-08-03 陈杰雄 植物酶素健康水的生产方法及其设备
WO2012105739A1 (fr) * 2011-01-31 2012-08-09 순천향대학교 산학협력단 Purificateur d'eau pour convertir de l'eau brute en eau activée par des ions alcalins minéraux
CN204325019U (zh) * 2014-07-30 2015-05-13 向国山 厨饮一体式厨房净水器
CN204543677U (zh) * 2015-04-27 2015-08-12 刘文涛 一种改进的高效活性炭净水器
CN108071136A (zh) * 2016-11-18 2018-05-25 湖北万慧百纳科技有限公司 一种从空气中提取具有保健功能的直饮水的方法
CN108840485A (zh) * 2018-08-30 2018-11-20 邝德昌 一种饮用水前置过滤系统

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