CN100556821C - Water purification system - Google Patents
Water purification system Download PDFInfo
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- CN100556821C CN100556821C CNB2005800085032A CN200580008503A CN100556821C CN 100556821 C CN100556821 C CN 100556821C CN B2005800085032 A CNB2005800085032 A CN B2005800085032A CN 200580008503 A CN200580008503 A CN 200580008503A CN 100556821 C CN100556821 C CN 100556821C
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- water
- purification system
- sterilant
- flow
- water purification
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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
- C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
- C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
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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
- C02F1/28—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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/685—Devices for dosing the additives
- C02F1/688—Devices in which the water progressively dissolves a solid compound
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/766—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens by means of halogens other than chlorine or of halogenated compounds containing halogen other than chlorine
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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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
- C02F2303/00—Specific treatment goals
- C02F2303/18—Removal of treatment agents after treatment
-
- 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
- C02F2303/18—Removal of treatment agents after treatment
- C02F2303/185—The treatment agent being halogen or a halogenated compound
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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)
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Water Treatment By Sorption (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention provides a kind of flow by gravity water supply purifying system, described flow by gravity water supply purifying system comprises the particulate matter that is suitable for separating in the water inlet and the filtering unit of solvend, this unit is communicated with a chemical allocation units fluid, thereby make the water flow of before the sterilant that the water contact is distributed by the chemical allocation units, regulating filtering unit by flow rate control device, after this water stops one section preset time in water storage room then, by being used for isolating the clearing device drainage water purification system of the sterilant of distribution from water outlet.
Description
Technical field
The present invention relates to a kind of flow by gravity water supply purifying system, this system is used to provide the high-quality tap water through purifying.This water purification system tap water of the big flow of sustainable supply for a long time when guaranteeing to remove noxious pollutant.
Background technology
A large amount of in the world populations are lived in the country of safe drinking water critical shortage.People have to directly rely on as underground water sources such as well, pond and rivers.These water sources often are subjected to for example pollution of pesticide residues thing of sewage, Industrial emissions and agricultural by-products.
The flow by gravity feed water strainer, for example spherical narrow neck strainer (carafe filter) is used for family and uses known, wherein water is by a series of aperture inflow filter elements on the top of ladder-form filter broad, and flow through strainer and arrive narrower bottom, during the porous bed of flowing through and constituting by loose sorbent material.There is the inherent restriction in this type of strainer to obtaining effective discharge because water is required the dark bed of flowing through and being made of adsorption particle, and by a spot of water after the phenomenon of obstruction takes place in regular meeting.This type of strainer can not divide the dried up middle harmful pathogenic agent that exists effectively in addition.
Disclosed a kind of water-purification plant in WO9529878 (Recovery Engineering Inc.1995) number patent gazette, it comprises a disinfection unit that is become with activated charcoal by the iodinated resin unit.This disinfection unit is because iodinated resin is unitary expensive and have its limitation.In addition, the iodine that remains in the water may be harmful to some people's health.
Therefore, when guaranteeing to remove all noxious pollutants and comprising that particulate matter and solvend are as harmful smell, pesticide residues thing and other organism and harmful microorganism such as sporangiocyst, bacterium and virus, still need to develop a kind of with low cost and can continue with more effectively with the modified version water purification system of desired speed production healthy drinking water.The sterilant of removing the killing microorganism that is useful on simultaneously before people's use is purified waste water also is crucial.More importantly be that system must continue to provide desirable big flow pure water for a long time under several centimetres gravity head effect.Wish in addition to need not water purification system is carried out frequent cleaning, renewal part or maintenance.Prior art fails to provide above-mentioned required feature.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of can be in long-time with the flow by gravity water supply purifying system of the high flow capacity sustainable supply clean drinking water of about 100～200ml/min, wherein under the situation of changing of influent pressure hair, remarkable change can not take place in flow.
The present invention also aims to provide a kind of flow by gravity water supply purifying system that can supply with pollutents such as not containing particulate matter, solvability impurity as the tap water of harmful smell, pesticide residues thing and other organism and harmful pathogenic agent such as sporangiocyst, bacterium and virus.
The present invention also aims to provide a kind of and move described unitary flow by gravity water supply purifying system such as electric energy without any need for external energy.
The present invention also aims to provide a kind of do not need to use expensive renewal part, the flow by gravity water supply purifying system that maintenance cost is cheap thus.
Therefore, the invention provides a kind of flow by gravity water supply purifying system, described flow by gravity water supply purifying system comprises the particulate matter that is suitable for separating in the water inlet and the filtering unit of solvend, this unit is communicated with a chemical allocation units fluid, thereby make the water flow of before the sterilant that the water contact is distributed by the chemical allocation units, regulating filtering unit by flow rate control device, after this water stops one section preset time in water storage room then, by being used for isolating the clearing device drainage water purification system of the sterilant of distribution from water outlet.
Embodiment
Therefore, the invention provides a kind of flow by gravity water supply purifying system, comprising:
-being suitable for separating the particulate matter in the water inlet and the filtering unit of solvend, this unit fluid is communicated with
-chemical allocation units, thus make that the water flow of filtering unit passes through before the sterilant that the water contact is distributed by the chemical allocation units
-flow rate control device is controlled, and this water exists then
After stopping one section preset time in the-water storage room, by
-be used for isolating the clearing device drainage water purification system of the sterilant of distribution from water outlet.
Described flow rate control device preferably includes the flow control case of the predetermined size that is suitable for discharging desired body ponding, and this case comprises that at least one is used to make water to flow into the siphon discharging device that the inlet device of described case and at least one are operatively connected to described flow control case and are suitable for controlling the outflow water yield of described water tank from the outlet of described filtering unit.
Described filtering unit preferably includes carbon piece filtration medium.This carbon piece filtration medium is processed into block by Powdered Activated Carbon (PAC) and tackiness agent by thorough mixing, pressurization and heat treatment step.This Powdered Activated Carbon is preferably the selected carbon that is made by bituminous coal, Exocarpium cocois (Cocos nucifera L) or charcoal or petroleum pitch.Preferred used Powdered Activated Carbon size uniformity ratio is more preferably less than 1.5 less than 2, and the amount of tetracol phenixin surpasses 50%, more preferably surpasses 60%.
The carbon piece filtration medium that is fit to is open in the GB2390987 patent documentation, and is more preferably also open in our application 320/MUM/2004 of common pending trial.The carbon piece filtration medium that is used for the flow by gravity feed water strainer has been put down in writing in the application of this common pending trial, and described carbon piece filtration medium makes the particle of 95% (weight) and to be no more than 12% particle by 50 mesh sieves by the particle size size and can make less than 5 adhesive material by the Powdered Activated Carbon (PAC) and the melt flow rate (MFR) (MFR) of 200 mesh sieves.More preferably carbon piece filtration medium comprise 55～80% (weight) the particle size of Powdered Activated Carbon between 100～200 orders and volume less than 50% of carbon piece.
By using above-mentioned filtering unit, might under the condition of 75mm gravity water pressure head, in long-time, keep the flow of 100～300ml/min constantly, and can satisfy the needs of from chemical pollutant, removing particulate pollutant.
Described filtering unit can use such as the sedimentation and filtration device with other known filtration unit, and preferably, a kind of flushable or removable deposition filter is used to remove tiny dust and other molecule.This deposition filter can be a nonwoven fabric, is preferably pore size and is suitable for holding back 3 microns or the many microporous fabrics of above particulate.Most preferably, water at first passes through deposition filter before by carbon piece filtration medium.
Comprise the flow rate control device that is used to regulate the filtering unit water flow according to flow by gravity water supply purifying system of the present invention.Flow-rate adjustment is preferably utilized does not need external energy to be achieved such as the device of electric energy input.This flow rate control device can comprise for example throttling devices such as stopcock, valve, Venturi tube and flow deflector.More preferably, can use the flow rate control device among the application 927/MUM/2002 of the common pending trial that is documented in us, described flow rate control device comprises the combination of the straight water channel He at least one bend that are suitable for controlling discharge.Particularly preferredly be used for satisfying the object of the invention flow rate control device and be documented in the WO2004/074182 patent documentation.The flow rate control device in back comprises the flow control case of the predetermined size that is used to discharge desired body ponding, and this case comprises that at least one is used to make water to flow into the siphon discharging device that the inlet device of described case and at least one are operatively connected to described flow control case and are suitable for controlling the outflow water yield of described water tank from the outlet of described filtering unit.
In the scheme that the application of above common pending trial is put down in writing, by the size of selecting controlling box and the specific form of selecting siphon discharging device, as selecting siphonal diameter and shape in advance, preferred a kind of inversion tubulose U/V shape member that is suitable for dominant discharge can make discharge adjusted within a large range.No matter the application of this preferred feature of flow rate control device has been guaranteed the aquifer yield of filtering unit and how can both discharge have been regulated well.
The sterilant that the water outlet contact of flow rate control device is distributed by the chemical allocation units.These chemical allocation units are preferably a kind of unit that does not need external energy just can distribute sterilant such as electric energy.During through the chemical allocation units, the chemical allocation units are configured in order to the sterilant with desired concn and are discharged in the water at current.Sterilant in the chemical allocation units can be liquid form exist and be added to the water with the amount of controlling well.Sterilant preferably exists with solid-state form and when water contacted with solid surface, sterilant was dissolved in the water with the speed of controlling well.More preferably, described solid is the form of one or more tablets.When surpassing a tablet, the chemical allocation units preferably include a tubular body arranged inside, and tablet is stacked therein.Tablet is discharged into sterilant in the water in a kind of mode of controlling well, can use any means that can reach this purpose.Chemical allocation units of the present invention preferably can be included in disclosed chemical sanitization system among our the application 926/MUM/2002 of common pending trial.Preferably in the process that discharges, tablet slowly dissolves, and a new tablet just begins to contact with water after the dissolving fully of last grain tablet.
More than the chemical sanitization system put down in writing in the application of common pending trial comprise disinfection unit, this unit is equipped with chemostefilant and is provided with opening in its bottom, be used for water is introduced the top that device that this unit carries out disinfection has a similar nozzle, this top selectivity is arranged near this bottom, unit and faces the opening of this unit bottom, the top of this similar nozzle has an angled conical external surface of selectivity, thereby helps regulating and contacting and carry described active sterilizing agent at current and by the sterilizing agent that described opening the exposes back that contacts.
Described chemical allocation units preferably have cylindrical section, and described cylindrical section is stacked biocide tablets on punching disk or nonwoven fabric.There is water-in lower central position in the sterilant storage at, and water contacts the back from the import inflow and discharges by the window (opening) of storage at periphery with the surface of tablet.
Sterilant be preferably can carry reactive chlorine in the water to guarantee the chemicals of kill microorganisms.The sterilant of any release chlorine that may be used comprises Efficacious Disinfeitant, Losantin, Lithium oxychloride, the known dichlorisocyanurate that can discharge the N-chlorating compound of reactive chlorine in various this areas such as sodium or potassium, trichlorocyanuric acid, monochloro amine, dichlormaine, [(single trichlorine)-four (two chloro-potassium)] five isocyanurates, 1,3-two chloro-5,5-dimethyl (dimethylidanotone), chloramine-T, p-toluene-sulfo-chlorinated amide, trichloromelamine, the N-chloramines, N-chloro-succinimide, N, N '-dichloro azo two ureas, N-chloroethene uride, N, N-dichloro azo two ureas, N-chloroethene uride, N, N-dichloro hydrazo-dicarbonamide, chlorination dicyan diamide.
Of the present invention one preferred aspect in, water purification system also comprises indicating unit, described indicating unit can provide indication in use for some time when all available biocide tablets run out.Described indicating unit preferably uses up or provides when using up fully visual indication fully in biocide tablets.Known any indicating unit all may use in the present invention in this area.Preferred especially a kind of indicating unit, described indicating unit comprises the tablet that has color and the transparent window that is arranged on chemical allocation units bottom that are placed on biocide tablets heap top, by this window can the visual inspection foot most of tablet.The tablet that has color can be an inert, and it is very stable in the environment that water and sterilant are arranged.When sterilant is that inert tablet has very strong inert material by the oxidation characteristic to chlorine and makes when discharging the chemicals of chlorine.Another kind of optional mode is, can be coated with on the inert tablet chlorine is had especially polymeric material of very strong inert material.
Of the present invention another preferred aspect in, water purification system also comprises the water cut device, described water cut device guarantees when sterilant runs out there is not current inflow-rate of water turbine control device.Described water cut device preferably includes described inert tablet.This tablet can be made by preferred iron of magneticsubstance or nickel, suitably be coated with on it sterilant is had the inert coating, and a reverse magnet can be placed on the bottom of chemical allocation units, thereby make when all sterilant run out, two magnets will be mutually near tightly sticking together, and plays the effect of the valve system of the current of guaranteeing to cut off discharge control apparatus thus.
After flowing through biocide dispenser, the water that contains sterilant is stored in one section preset time in the water storage room of system.Without wishing to be bound by theory, it is believed that will contain the water of sterilant store that to reach be can be killed in order to ensure all pathogenic micro-organisms such as bacterium and virus during this period of time.The storage time of preferably water in water storage room is 30～300 minutes, more preferably 60～180 minutes.Can use any mode that makes water in water purification system, store such for some time.Relatively the mode of Shi Heing is disclosed in WO2004/000732 number.The another kind of optimal way of guaranteeing that optionally water stores such for some time in water storage room is by some downward water pipes water to be incorporated into water storage room from the bottom of chemical allocation units, and will be similar to streamlined moisture by dividing plate in water storage room is two-layer or more horizontal component.The distance of the import of water storage room and the outlet of each horizontal component is got maximum value farthest in order to guarantee the distance between each inlet point and the exit point.The long distance that water flows through and in water storage room water mobile laminar flow regime guaranteed the required storage time.
The water of discharging water storage room also will be through a clearing device before the drainage water purification system.This clearing device is isolated the sterilant of distribution from water.This clearing device is preferably bacteriostatic activated carbon.
Although water can upward flow or down to the mode of the stream clearing device of flowing through, the preferred upward flow of the present invention.Various concrete forms of implementation can be with reference to the water flow mode of putting down in writing in the WO2004/014803 patent documentation.
According to the further preferred feature of invention, the flow by gravity water supply purification device that provides comprises:
Water supply chamber with coarse filter, water to be clean are supplied to by described coarse filter and enter water supply chamber;
Carbon piece filtration medium and nonwoven fabric deposition filter with corresponding shape, described deposition filter is replaceable/and flushable, be suitable for separating granular and solute from water inlet,
Its fluid is communicated with chemical allocation units that comprise indicating unit, thereby makes that the water flow of filtering unit passes through before the sterilant that the water contact is distributed by the chemical allocation units
Flow rate control device is controlled, and described flow rate control device comprises flow control case and siphoning installation, and water can be stored in then
Reach one section preset time in the water storage room, pass through at last
A upward flow clearing device drainage water purification system, described clearing device is suitable for isolating the sterilant of distribution from water outlet.
To be illustrated the present invention by the specific limiting examples of 1 water purification system with reference to the accompanying drawings below.
Example
Fig. 1 is an embodiment according to water purification system of the present invention.This system has a water supply chamber FC, and water to be clean is added in the water supply chamber by coarse filter CF, and described coarse filter CF coarse filter is applicable to catches big particle.Water supply container have maximum 20cm than low height, it provides a low gravity head for water filters by carbon piece filtration medium CBF.Make and have by nonwoven fabric for one and be placed on it with the deposition filter SF of the corresponding shape of carbon piece filtration medium CBF.This deposition filter is removed size at 3～6 microns particle.Carbon piece strainer is isolated size less than 3 microns particle, dissolved organism and sterilant.Carbon piece strainer also filters the sporangiocyst with chlorine resistance.Under action of gravity, effusive water enters into flow rate control device FCM from carbon piece strainer, and described flow rate control device comprises controlling box and siphon discharging device, and it can be at water and the flow of controlling water before sterilant contacts effectively.Flow rate control device can guarantee flow control within a very narrow scope and need not consider the situation of the hydraulic head among the water supply chamber FC.Sterilant is assigned in the water outlet of delivery flow control device FCM from chemical allocation units CDU.The chemical allocation units have a pile biocide tablets BT and an indicating unit IM who comprises the inert tablet that has color.A transparent window TM is set at the bottom of chemical allocation units CDU, and by this window, when all tablets ran out, indicating unit IM just can be observed.The water that contains sterilant then enters into the RC of water storage room, will stop one period that is predetermined to kill all viruses and bacterium at this.Dividing plate B is set at the path flows to guarantee that the water process chooses among the RC of water storage room, guarantees the desirable residence time with this.Next water is flowed through clearing device SM to divide the sterilant in dried up in the mode of upward flow.Water is collected in collecting chamber CC then.Having removed purifying waste water of all contaminants at last is assigned with by water tap T.
Therefore might provide a kind of simple and have a cost-efficient flow by gravity water supply purifying system by the present invention, this system can supply with the cleandrinking water of having removed all contaminants with desirable high flow capacity constantly in long-time, described pollutent comprises particulate matter, microorganism and the solute that has comprised the pesticide residues thing.
Claims (16)
1, a kind of flow by gravity water supply purifying system comprises:
-being suitable for separating the particulate matter in the water inlet and the filtering unit of solvend, this unit fluid is communicated with
-chemical allocation units, thus make that the water flow of filtering unit passes through before the sterilant that the water contact is distributed by the chemical allocation units
-flow rate control device is controlled, and this water exists then
After stopping one section preset time in the-water storage room, by
-be used for isolating the clearing device drainage water purification system of the sterilant of distribution from water outlet,
It is characterized in that flow rate control device comprises:
-be suitable for discharging the flow control case of the predetermined size of desired body ponding, this case comprise at least one be used to make water from the outlet of described filtering unit flow into described case inlet device and
-at least one is operatively connected to described flow control case and is suitable for controlling the siphon discharging device of the outflow water yield of described water tank.
2, water purification system as claimed in claim 1, wherein filtering unit comprises carbon piece filtration medium.
3, water purification system as claimed in claim 2, wherein this carbon piece filtration medium comprises Powdered Activated Carbon and adhesive material, the two is processed into block by thorough mixing, pressurization and heat treatment step.
4, water purification system as claimed in claim 1, wherein filtering unit also comprises deposition filter.
5, water purification system as claimed in claim 4, wherein this deposition filter is that a kind of pore size is suitable for holding back 3 microns or above particulate nonwoven fabric.
6, water purification system as claimed in claim 1, wherein sterilant is the form of or more tablets.
7, water purification system as claimed in claim 6, one one of its Chinese medicine tablet stacks together up and down.
8, water purification system as claimed in claim 1, wherein sterilant is a kind ofly can transmit the chemicals of reactive chlorine in the water.
9, water purification system as claimed in claim 1 also comprises indicating unit, and when all available sterilant used up over time, described indicating unit can provide indication.
10, water purification system as claimed in claim 9, wherein indicating unit provides visual indication.
11, water purification system as claimed in claim 10, wherein said indicating unit comprises the inert tablet that has color and the transparent window that is arranged on chemical allocation units bottom that are placed on biocide tablets heap top, by this window can the visual inspection foot tablet.
12, water purification system as claimed in claim 11 also comprises the water cut device, and described water cut device guarantees when sterilant runs out there is not current inflow-rate of water turbine control device.
13, water purification system as claimed in claim 12, wherein said water cut device comprises described inert tablet, this tablet is made by magneticsubstance, suitably be coated with on it sterilant is had the inert coating, and a reverse magnet can be placed on the bottom of chemical allocation units, thereby make that when all sterilant run out two magnets will closely mutually tightly stick together, play the effect of the valve system of the current of guaranteeing to cut off discharge control apparatus thus.
14, water purification system as claimed in claim 1, wherein water storage room is divided into two-layer or more multi-layered horizontal component by dividing plate.
15, water purification system as claimed in claim 1, wherein clearing device comprises bacteriostatic activated carbon.
16, a kind of flow by gravity water supply purification device comprises:
-having the water supply chamber of coarse filter, water to be clean is supplied to by described coarse filter and enters water supply chamber;
-carbon piece filtration medium and nonwoven fabric deposition filter with corresponding shape, described deposition filter is replaceable/and flushable, be suitable for separating granular and solute from water inlet,
-its fluid is communicated with chemical allocation units that comprise indicating unit, thereby makes that the water flow of filtering unit passes through before the sterilant that the water contact is distributed by the chemical allocation units
-flow rate control device is controlled, and described flow rate control device comprises flow control case and siphoning installation, and water can be stored in then
Reach one section preset time in the-water storage room, pass through at last
-one upward flow clearing device drainage water purification system, described clearing device is suitable for isolating the sterilant of distribution from water outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IN337MU2004 | 2004-03-19 | ||
| IN0337/MUM/2004 | 2004-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1989076A CN1989076A (en) | 2007-06-27 |
| CN100556821C true CN100556821C (en) | 2009-11-04 |
Family
ID=34965033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800085032A Expired - Fee Related CN100556821C (en) | 2004-03-19 | 2005-03-01 | Water purification system |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN100556821C (en) |
| BR (1) | BRPI0508282B1 (en) |
| PL (1) | PL380684A1 (en) |
| RU (1) | RU2379235C2 (en) |
| WO (1) | WO2005095284A1 (en) |
| ZA (1) | ZA200606790B (en) |
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| US8167141B2 (en) | 2004-06-30 | 2012-05-01 | Brita Lp | Gravity flow filter |
| PL1948346T3 (en) * | 2005-11-22 | 2009-06-30 | Unilever Nv | Filter cartridge for water purification |
| ZA200803892B (en) * | 2005-11-22 | 2009-08-26 | Unilever Plc | Filter cartridge for water purification |
| EP1870381B1 (en) * | 2006-06-12 | 2009-06-24 | Unilever N.V. | A biocide cartridge |
| USD615150S1 (en) | 2007-09-20 | 2010-05-04 | Omnipure Filter Co., Inc. | Filter block for liquid filtration |
| PL1982961T3 (en) * | 2007-04-18 | 2011-05-31 | Unilever Nv | Disinfectant device and process |
| UA104007C2 (en) * | 2008-09-23 | 2013-12-25 | Юнилевер Нв | Water purification device |
| EP2184263A1 (en) | 2008-11-06 | 2010-05-12 | Unilever N.V. | Water purification device |
| RU2531301C2 (en) | 2009-01-13 | 2014-10-20 | Эксесс Бизнесс Груп Интернешнл Ллс | Water treatment with gravity feed |
| EP2298702B1 (en) | 2009-09-17 | 2014-01-08 | Unilever N.V. | Water purification device and process for purification of water by this device |
| WO2011151168A1 (en) | 2010-05-31 | 2011-12-08 | Unilever Nv | A water purification device |
| WO2011151157A1 (en) * | 2010-05-31 | 2011-12-08 | Unilever Nv | A fortificant dispensing device |
| CN103153873B (en) * | 2010-08-09 | 2015-07-29 | 荷兰联合利华有限公司 | low cost water purification device |
| PE20131311A1 (en) * | 2010-08-24 | 2013-10-26 | Unilever Nv | WATER PURIFICATION DEVICE INCLUDING A GRAVITY FEED FILTER |
| WO2014003841A1 (en) * | 2012-06-29 | 2014-01-03 | 3M Innovative Properties Company | Gravity feed fluid purification system |
| IN2015MN00101A (en) | 2012-07-23 | 2015-10-16 | Unilever Plc | |
| CN104870376B (en) * | 2012-12-20 | 2016-11-23 | 荷兰联合利华有限公司 | Tablet composition for automatic-closing mechanism |
| CN109231314A (en) * | 2018-11-19 | 2019-01-18 | 江苏绿途环保科技有限公司 | A kind of high-effect drinking-water filter |
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|---|---|---|---|---|
| WO2000018810A2 (en) * | 1998-09-25 | 2000-04-06 | Ticona Gmbh | Activated carbon filter |
| US6281802B1 (en) * | 1998-12-01 | 2001-08-28 | Aerobic & Pump Controls, Inc. | Automatic chlorinator alarm system |
| US6309551B1 (en) * | 1999-09-14 | 2001-10-30 | Hoot Aerobic Systems, Inc. | Solution treatment agent supply apparatus |
| CN2508230Y (en) * | 2001-10-18 | 2002-08-28 | 刘崇崑 | Constant flow liquid supply device |
| WO2004000732A1 (en) * | 2002-06-19 | 2003-12-31 | Unilever Plc | Water purification system |
| WO2004074182A2 (en) * | 2003-02-18 | 2004-09-02 | Unilever Plc | Flow regulator for controlled gravity flow of fluid |
-
2005
- 2005-03-01 CN CNB2005800085032A patent/CN100556821C/en not_active Expired - Fee Related
- 2005-03-01 WO PCT/EP2005/002254 patent/WO2005095284A1/en active Application Filing
- 2005-03-01 BR BRPI0508282-0A patent/BRPI0508282B1/en not_active IP Right Cessation
- 2005-03-01 ZA ZA200606790A patent/ZA200606790B/en unknown
- 2005-03-01 RU RU2006136907/15A patent/RU2379235C2/en not_active IP Right Cessation
- 2005-03-01 PL PL380684A patent/PL380684A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000018810A2 (en) * | 1998-09-25 | 2000-04-06 | Ticona Gmbh | Activated carbon filter |
| US6281802B1 (en) * | 1998-12-01 | 2001-08-28 | Aerobic & Pump Controls, Inc. | Automatic chlorinator alarm system |
| US6309551B1 (en) * | 1999-09-14 | 2001-10-30 | Hoot Aerobic Systems, Inc. | Solution treatment agent supply apparatus |
| CN2508230Y (en) * | 2001-10-18 | 2002-08-28 | 刘崇崑 | Constant flow liquid supply device |
| WO2004000732A1 (en) * | 2002-06-19 | 2003-12-31 | Unilever Plc | Water purification system |
| WO2004074182A2 (en) * | 2003-02-18 | 2004-09-02 | Unilever Plc | Flow regulator for controlled gravity flow of fluid |
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0508282A (en) | 2007-08-07 |
| CN1989076A (en) | 2007-06-27 |
| WO2005095284A1 (en) | 2005-10-13 |
| PL380684A1 (en) | 2007-03-05 |
| BRPI0508282B1 (en) | 2015-08-18 |
| ZA200606790B (en) | 2007-11-28 |
| RU2379235C2 (en) | 2010-01-20 |
| RU2006136907A (en) | 2008-04-27 |
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