CN104828993A - Water purifying equipment - Google Patents
Water purifying equipment Download PDFInfo
- Publication number
- CN104828993A CN104828993A CN201510232765.2A CN201510232765A CN104828993A CN 104828993 A CN104828993 A CN 104828993A CN 201510232765 A CN201510232765 A CN 201510232765A CN 104828993 A CN104828993 A CN 104828993A
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- Prior art keywords
- water
- filter core
- pipe
- purifying plant
- pure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 210
- 239000002351 wastewater Substances 0.000 claims abstract description 59
- 239000012528 membrane Substances 0.000 claims abstract description 14
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 35
- 238000005374 membrane filtration Methods 0.000 claims description 31
- 239000000523 sample Substances 0.000 claims description 13
- 238000000108 ultra-filtration Methods 0.000 claims description 5
- 238000001728 nano-filtration Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 8
- 238000011084 recovery Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 description 13
- 238000001914 filtration Methods 0.000 description 7
- 238000010992 reflux Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010908 plant waste Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
The invention discloses a water purification device, comprising: the device comprises a raw water inlet, a pure water outlet, a concentrated water outlet, a preposed filter element, a membrane filter element with a concentrated water port and a pure water port, a concentrated water pipe connected with a waste water regulating valve in series, a pure water pipe, a booster pump and a waste water recovery pipe. The preposed filter element is connected with a raw water inlet; the inlet of the membrane filter element is connected with the outlet of the preposed filter element; the booster pump is connected in series between the preposed filter element and the membrane filter element; the concentrated water pipe is respectively connected with the concentrated water port and the concentrated water outlet; the pure water pipe is respectively connected with the pure water port and the pure water outlet; one end of the waste water recovery pipe is connected between the waste water regulating valve and the concentrated water port, and the other end of the waste water recovery pipe is connected between the booster pump and the preposed filter element. According to the water purification equipment disclosed by the invention, part of concentrated water in the water purification system flows back, so that the water quality of the water purification system can reach a stable state, and the problem that the water purification equipment wastes water resources is solved.
Description
Technical field
The present invention relates to field of water treatment equipment, particularly relate to a kind of water purifying plant.
Background technology
Some water purifying plants in correlation technique do not arrange sewage recovering system, cause the waste of water resources.And part is with the water purifying plant of sewage recovering system, has plenty of and all reclaim waste water, cause water quality TDS value (total dissolved solid material concentration) too high, damage the life-span of film, water quality is unstable; Have plenty of waste water partially recycled, but the water quality of water cleaning systems is also unstable, the life-span of film also shortens greatly.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of water purifying plant, by waste water reclamation pipe recovery part condensed water with saving water resource, and reaches steady state by the water quality that waste water variable valve regulates the quantity of reflux of condensed water to make water purifying plant export.
According to water purifying plant of the present invention, comprising: original water inlet; Pure water exports; Condensed water exports; Preposition filter core, described preposition filter core is connected with described original water inlet; Membrane filtration filter core, the entrance of described membrane filtration filter core is connected with the outlet of described preposition filter core, and described membrane filtration filter core has the concentrated mouth of a river and pure water mouth; Condensed water water pipe, described condensed water water pipe exports with described condensed water with the described concentrated mouth of a river respectively and is connected, and described condensed water water pipe is in series with waste water variable valve; Pure water water pipe, described pure water water pipe exports with described pure water with described pure water mouth respectively and is connected; For increasing the topping-up pump of hydrodynamicpressure, described topping-up pump is connected between described preposition filter core and described membrane filtration filter core; Waste water reclamation pipe, one end of described waste water reclamation pipe is connected between described waste water variable valve and the described concentrated mouth of a river, and the other end of described waste water reclamation pipe is connected between described topping-up pump and described preposition filter core.
According to water purifying plant of the present invention, by arranging waste water reclamation pipe and waste water variable valve, form a sewage recovering system, partial concentration water in water cleaning systems is refluxed, and make the flow of the condensed water of backflow adjustable, thus make the water quality of water cleaning systems reach steady state, solve the problem of water purifying plant waste water resource.
According to some embodiments of the present invention, water purifying plant also comprises the first check valve and the second check valve, described first check valve is connected on described waste water reclamation pipe, and described first check valve is one-way conduction on the direction from one end of described waste water reclamation pipe to the other end of described waste water reclamation pipe; Described second check valve is connected on described pure water water pipe, described second check valve one-way conduction on from described pure water mouth to the direction that described pure water exports.
According to some embodiments of the present invention, described preposition filter core comprises the many groups of filter core groups be connected in series, and often organizes described filter core group and comprises multiple the first filter core be connected in parallel.
According to concrete examples more of the present invention, described filter core group is two groups, often organizes described filter core group and comprises two described first filter cores.
According to some embodiments of the present invention, described preposition filter core also comprises the second filter core, and described second filter core is connected between the described filter core group and described topping-up pump of most downstream.
Alternatively, described topping-up pump is high-pressure pump.
Alternatively, described membrane filtration filter core is RO membrane cartridge, nanofiltration membrane filter core or ultrafiltration membrane filter element.
Alternatively, described pure water water pipe is provided with pure water conductivity probe, and described pure water conductivity probe is for detecting pure electrical conductivity of water.
Alternatively, described condensed water water pipe is provided with condensed water conductivity probe, and described condensed water conductivity probe is for detecting concentrated electrical conductivity of water.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of water purifying plant water-flow chart according to an embodiment of the invention;
Fig. 2 is the schematic diagram of water purifying plant water-flow chart according to another embodiment of the invention.
Reference numeral:
Water purifying plant 100, preposition filter core 1, first filter core 11, second filter core 12, entering water electromagnetic valve 2, low-tension switch 3, tensimeter 4 before pump, topping-up pump 5, high-voltage switch gear 6, tensimeter 7 after pump, membrane filtration filter core 8, condensed water tensimeter 9, first check valve 10, Concentrate flow meter 21, scouring electromagnetic valve 22, waste water variable valve 13, pure water conductivity probe 14, pure water under meter 15, second check valve 16, pressure switch 17, pressure-pot 18, rearmounted filter core 19, source water pump 20, original water inlet A, the entrance B of membrane filtration filter core 8, concentrated mouth of a river C, pure water mouth D, condensed water outlet E, pure water outlet F, waste water reclamation pipe a, condensed water water pipe b, pure water water pipe c.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " on " etc. instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " is connected ", the term such as " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Describe in detail according to water purifying plant 100 of the present invention below in conjunction with Fig. 1 and Fig. 2.
According to the water purifying plant 100 of the embodiment of the present invention, there is original water inlet A, condensed water outlet E, pure water outlet F, and this water purifying plant 100 comprises preposition filter core 1, membrane filtration filter core 8, waste water reclamation pipe a, condensed water water pipe b, pure water water pipe c, topping-up pump 5.
As depicted in figs. 1 and 2, preposition filter core 1 is connected with original water inlet A, and the water flowed into from original water inlet A carries out primary filter through preposition filter core 1.
The entrance B of membrane filtration filter core 8 is connected with the outlet of preposition filter core 1, membrane filtration filter core 8 has concentrated mouth of a river C and pure water mouth D, water through preposition filter core 1 primary filter flows into membrane filtration filter core 8 and carries out profound filtration, then current are divided into two portions and flow out from concentrated mouth of a river C and pure water mouth D respectively, namely a part flows out from concentrated mouth of a river C, and another part flows out from pure water mouth D.
Alternatively, membrane filtration filter core 8 is RO film (reverse osmosis membrane) filter core, nanofiltration membrane filter core or ultrafiltration membrane filter element, but is not limited to the kind of above-mentioned filter core.
Condensed water water pipe b exports E with concentrated mouth of a river C with condensed water respectively and is connected, and that is, condensed water water pipe b is connected to concentrated mouth of a river C and condensed water exports between E.
As depicted in figs. 1 and 2, condensed water water pipe b is in series with waste water variable valve 13, waste water variable valve 13, for regulating the flow of the condensed water of discharge, balances the operating pressure of water cleaning systems.Alternatively, condensed water water pipe b can be provided with condensed water conductivity probe, for detecting concentrated electrical conductivity of water.
Pure water water pipe c exports F with pure water mouth D with pure water respectively and is connected, and that is, pure water water pipe c is connected to pure water mouth D and pure water exports between F.Alternatively, pure water water pipe c can be provided with pure water conductivity probe 14, for detecting pure electrical conductivity of water.
Topping-up pump 5 is connected between preposition filter core 1 and membrane filtration filter core 8, for increasing the pressure of fluid (current), enables current by membrane filtration filter core 8, set up the operating pressure of water cleaning systems, reach the object of water purification, alternatively, topping-up pump 5 is high-pressure pump.
As depicted in figs. 1 and 2, one end of waste water reclamation pipe a is connected between waste water variable valve 13 and concentrated mouth of a river C, the other end of waste water reclamation pipe a is connected between topping-up pump 5 and preposition filter core 1, thus from the condensed water that concentrated mouth of a river C flows out through condensed water water pipe b, a part is through waste water variable valve 13, wastewater outlet E discharges, another part is through one end of waste water reclamation pipe a, the other end of waste water reclamation pipe a flows into topping-up pump 5 and mixes with the current flowed out from preposition filter core 1 with pipe connecting (i.e. the suction culvert of the topping-up pump 5) place of preposition filter core 1, and then enter topping-up pump 5 and carry out recycle, thus waste water reclamation pipe a may be used for the condensed water of recovery part, the recycle increasing condensed water is worth, saving water resource.
Need here to illustrate, structure and the principle of work of above-mentioned waste water variable valve 13, condensed water conductivity probe, pure water conductivity probe 14 and topping-up pump 5 are prior art, are just no longer described in detail here.
According to the water purifying plant 100 of the embodiment of the present invention, the condensed water in condensed water water pipe b is made to be divided into two streams by arranging waste water reclamation pipe a: waste water variable valve 13 of leading up to directly is drained, the suction culvert that waste water reclamation pipe a of separately leading up to enters topping-up pump 5 carries out recycle, by controlling pressure of supply water and the water supply flow of topping-up pump 5, the intake pressure of membrane filtration filter core 8 and flooding velocity is made to reach basicly stable state, and by arranging waste water variable valve 13, and utilize waste water variable valve 13 to regulate the flow of the condensed water of directly discharge to steady state, thus make the flow of the partial concentration water of inflow waste water reclamation pipe a be controlled and reach steady state, and then make the water cleaning systems of whole water purifying plant 100 reach steady state, both meet effluent quality and meet drinking pure demand, reduce the discharge of condensed water simultaneously.
That is, waste water reclamation pipe a and waste water variable valve 13 are set in the water route of water purifying plant 100, thus form a sewage recovering system, realize the backflow of part condensed water, and by controlling the quantity of reflux of condensed water, the water quality realized in water cleaning systems is in steady state, and then indirectly ensure that the work-ing life of membrane filtration filter core 8.
Further, in some embodiments of the invention, water purifying plant 100 can also comprise the first check valve 10 and the second check valve 16.First check valve 10 is connected on waste water reclamation pipe a, and the first check valve 10 is one-way conduction on the direction from one end of waste water reclamation pipe a to the other end of waste water reclamation pipe a, prevents the condensed water of waste water reclamation pipe a to be back in condensed water water pipe b thus.
Second check valve 16 is connected on pure water water pipe c, and the second check valve 16 is one-way conduction on the direction exporting F from pure water mouth D to pure water, thus prevents pure water from refluxing.
At embodiment more of the present invention, preposition filter core 1 comprises the many groups of filter core groups be connected in series, and often organizes filter core group and comprises multiple the first filter core 11 be connected in parallel.The mode of connection of connecting again after adopting above-mentioned multiple first filter core 11 parallel connection can increase the net water flux of preposition filter core 1.
Specifically, above-mentioned connects by organizing filter core group more, and often group filter core group comprises the preposition filter core 1 of multiple the first filter core 11 be connected in parallel, because the first filter core 11 often organizing parallel connection is identical, on the one hand, can ensure with group filter element life unanimous on the whole, the stability of the life cycle of filter core can be ensured like this, and can ensure that filter core is changed in time; On the other hand, the filtration capacity of identical filter core is substantially identical, fully, effectively can play the filtering function of filter core like this, add the flow by filter core and water purification amount, make the flux of water purification more stable simultaneously.
Preposition filter core 1 can also comprise the second filter core 12; second filter core 12 can be connected between the filter core group and topping-up pump 5 of most downstream; filtering is carried out to the new impurity (powdered carbon as in gac) likely produced in the first filter core 11; mainly play the effect of duplicate protection membrane filtration filter core 8; preferably, the second filter core 12 is that PP is cotton.
According to concrete examples more of the present invention, as depicted in figs. 1 and 2, filter core group is two groups, such as first group of filter core group and second group of filter core group, often organizes filter core group and comprises two the first filter cores 11 in parallel.Preferably, the first filter core 11 of first group of filter core group of upstream is positioned at for PP cotton; Alternatively, the first filter core 11 being positioned at second group of filter core group in downstream is gac, ultrafiltration membrane filter element or soften resin filter core, but the kind being not limited to above-mentioned filter core.
According to one embodiment of present invention, as shown in Figure 1, the water flowed into by original water inlet A, the first filter core 11, second filter core 12 flowing through the first filter core 11, second group of filter core group of first group of filter core group in preposition filter core 1 successively carries out primary filter, then current carry out supercharging by topping-up pump 5, flow into membrane filtration filter core 8 to carry out filtering, the moisture filtered through membrane filtration filter core 8 is two portions profoundly: a part flows out from concentrated mouth of a river C, flows into condensed water water pipe b; Another part flows out from pure water mouth D, flows into pure water water pipe c.
Further, the condensed water in condensed water water pipe b is divided into two streams: waste water variable valve 13 of leading up to directly is drained; Waste water reclamation pipe a of separately leading up to enters the suction culvert of topping-up pump 5, and converges with the water flowed out from preposition filter core 1, by the supercharging of topping-up pump 5, flows into membrane filtration filter core 8 and carries out profound level filtration, thus partial concentration water is purified and recycle.In the operational process of above-mentioned water purifying plant 100, on the one hand by controlling pressure of supply water and the water supply flow of topping-up pump 5, the intake pressure of membrane filtration filter core 8 and flooding velocity is made to reach basicly stable state, regulated the flow of the condensed water of directly discharge to steady state on the other hand by waste water variable valve 13, thus make the flow of the partial concentration water of inflow waste water reclamation pipe a be controlled and reach steady state, and then make whole water cleaning systems reach steady state, ensure that the stability of water cleaning systems water quality, solve the problem of water purifying plant 100 waste water resource.
Pure water in pure water water pipe c enters pressure-pot 18 by the unlatching of pressure switch 17 and stores, and when needing drinking-water, pure water carries out finly filtration again by rearmounted filter core 19, and to improve the mouthfeel of water, pure water finally flows out from pure water outlet F to be waited to drink.Alternatively, rearmounted filter core 19 can be active carbon filter core, can also be ultrafiltration membrane filter element, soften resin filter core etc., but be not limited to the kind of above-mentioned filter core.
According to another embodiment of the invention, as shown in Figure 2, alternatively, between original water inlet A and the entrance of preposition filter core 1, be provided with low-tension switch 3 and source water pump 20, increased the pressure of current by source water pump 20 and the interlock of low-tension switch 3, that is, if the pressure of the current at original water inlet A place is lower than the force value set by low-tension switch 3, source water pump 20 will start work, increases the pressure of current, make water flow into preposition filter core 1 under the effect of the pressure, ensure the trouble-free operation of Water treatment.
Here it should be noted that, some elements as shown in Figures 1 and 2, comprise tensimeter 7, condensed water tensimeter 9, Concentrate flow meter 21, scouring electromagnetic valve 22, pure water under meter 15, pressure switch 17, pressure-pot 18 after tensimeter 4 before entering water electromagnetic valve 2, low-tension switch 3, pump, high-voltage switch gear 6, pump, source water pump 20, the structure of these elements and principle of work are all prior aries, are just no longer described in detail here.
Condensed water recovery can shorten the life-span of membrane filtration filter core 8 in water cleaning systems under normal circumstances, according to water purifying plant 100 of the present invention, in its water cleaning systems, the life-span of membrane filtration filter core 8 can reach 2 years, compared with not reclaiming the water cleaning systems of condensed water, the life-span of membrane filtration filter core 8 only shortens 1 year, and can buy 2 new membrane filtration filter cores 8 by the water rate that this water purifying plant 100 uses save for 2 years, so this water purifying plant 100 is also more economical while saving water.
In brief, according to the water purifying plant 100 of the embodiment of the present invention, by controlling the water supply flow of topping-up pump 5, and by regulating waste water variable valve 13 to make condensed water partial reflux, water cleaning systems is made to reach a balanced steady state, condensed water non-neutralizable fraction refluxes, and stable effluent quality, had both met water quality and reached requirement, in turn ensure that the work-ing life of membrane filtration filter core 8 simultaneously, ensure that the water production rate of water purifying plant 100, and in turn save water resources, avoid waste.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments " or " some concrete examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a water purifying plant, is characterized in that, described water purifying plant has original water inlet, pure water outlet and condensed water outlet, and described water purifying plant comprises:
Preposition filter core, described preposition filter core is connected with described original water inlet;
Membrane filtration filter core, the entrance of described membrane filtration filter core is connected with the outlet of described preposition filter core, and described membrane filtration filter core has the concentrated mouth of a river and pure water mouth;
Condensed water water pipe, described condensed water water pipe exports with described condensed water with the described concentrated mouth of a river respectively and is connected, and described condensed water water pipe is in series with waste water variable valve;
Pure water water pipe, described pure water water pipe exports with described pure water with described pure water mouth respectively and is connected;
For increasing the topping-up pump of hydrodynamicpressure, described topping-up pump is connected between described preposition filter core and described membrane filtration filter core;
Waste water reclamation pipe, one end of described waste water reclamation pipe is connected between described waste water variable valve and the described concentrated mouth of a river, and the other end of described waste water reclamation pipe is connected between described topping-up pump and described preposition filter core.
2. water purifying plant according to claim 1, it is characterized in that, also comprise the first check valve, described first check valve is connected on described waste water reclamation pipe, and described first check valve is one-way conduction on the direction from one end of described waste water reclamation pipe to the other end of described waste water reclamation pipe.
3. water purifying plant according to claim 1, is characterized in that, also comprises the second check valve, and described second check valve is connected on described pure water water pipe, described second check valve one-way conduction on from described pure water mouth to the direction that described pure water exports.
4. water purifying plant according to claim 1, is characterized in that, described preposition filter core comprises the many groups of filter core groups be connected in series, and often organizes described filter core group and comprises multiple the first filter core be connected in parallel.
5. water purifying plant according to claim 4, is characterized in that, described preposition filter core also comprises the second filter core, and described second filter core is connected between the described filter core group and described topping-up pump of most downstream.
6. water purifying plant according to claim 4, is characterized in that, described filter core group is two groups, often organizes described filter core group and comprises two described first filter cores.
7. water purifying plant according to claim 1, is characterized in that, described topping-up pump is high-pressure pump.
8. water purifying plant according to claim 1, is characterized in that, described membrane filtration filter core is RO membrane cartridge, nanofiltration membrane filter core or ultrafiltration membrane filter element.
9. water purifying plant according to claim 1, its feature is being, also comprises pure water conductivity probe, and described pure water conductivity probe is located on described pure water water pipe for detecting pure electrical conductivity of water.
10. water purifying plant according to claim 1, is characterized in that, also comprises condensed water conductivity probe, and described condensed water conductivity probe is located on described condensed water water pipe for detecting concentrated electrical conductivity of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232765.2A CN104828993A (en) | 2015-05-08 | 2015-05-08 | Water purifying equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510232765.2A CN104828993A (en) | 2015-05-08 | 2015-05-08 | Water purifying equipment |
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| CN104828993A true CN104828993A (en) | 2015-08-12 |
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| CN201510232765.2A Pending CN104828993A (en) | 2015-05-08 | 2015-05-08 | Water purifying equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2681026C1 (en) * | 2017-03-07 | 2019-03-01 | ФОШАНЬ ШУНЬДЭ МИДЕА УОТЕР ДИСПЕНСЕР ЭмЭфДжи. КО., ЛТД. | Water filtration system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291462A (en) * | 2014-09-22 | 2015-01-21 | 珠海格力电器股份有限公司 | Water purification system |
| CN204625367U (en) * | 2015-05-08 | 2015-09-09 | 佛山市美的清湖净水设备有限公司 | Water purifying equipment |
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2015
- 2015-05-08 CN CN201510232765.2A patent/CN104828993A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291462A (en) * | 2014-09-22 | 2015-01-21 | 珠海格力电器股份有限公司 | Water purification system |
| CN204625367U (en) * | 2015-05-08 | 2015-09-09 | 佛山市美的清湖净水设备有限公司 | Water purifying equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2681026C1 (en) * | 2017-03-07 | 2019-03-01 | ФОШАНЬ ШУНЬДЭ МИДЕА УОТЕР ДИСПЕНСЕР ЭмЭфДжи. КО., ЛТД. | Water filtration system |
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