CN204550250U - Filtration unit and purifying drinking appliance - Google Patents
Filtration unit and purifying drinking appliance Download PDFInfo
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- CN204550250U CN204550250U CN201520202203.9U CN201520202203U CN204550250U CN 204550250 U CN204550250 U CN 204550250U CN 201520202203 U CN201520202203 U CN 201520202203U CN 204550250 U CN204550250 U CN 204550250U
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- water
- filtration unit
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- membrane cartridge
- filter core
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Abstract
The utility model discloses a kind of filtration unit, for being connected with water source, this filtration unit comprises the first membrane cartridge, the second membrane cartridge and wastewater drainage pipe, first membrane cartridge has water inlet, water outlet and waste water mouth, water outlet is for discharging water purification, and waste water mouth is connected with wastewater drainage pipe, and the second membrane cartridge is located between water source and water inlet, first membrane cartridge is nanofiltration membrane filter core or reverse osmosis membrane filter element, and the second membrane cartridge is ultrafiltration membrane filter element.The invention also discloses a kind of purifying drinking appliance.Filtration unit provided by the utility model is gathered in Ionic colloid and the macromolecular colloid of contaminant particles surface aggregation by the second membrane cartridge isolation, thus weaken the nanofiltration membrane of contaminant particles at the first membrane cartridge or the ability of reverse osmosis membrane surface attachment, and then make to use the water of small amount to remove the contaminant particles stockpiled on nanofiltration membrane or the reverse osmosis membrane surface of the first membrane cartridge by purging method, improve the work-ing life of the first membrane cartridge, reduce wastewater rate simultaneously.
Description
Technical field
The utility model relates to purifying drinking appliance technical field, particularly relates to filtration unit and has the purifying drinking appliance of this filtration unit.
Background technology
Along with the pollution of living environment, the especially aggravation of water pollutions, water purifying plant gradually pay close attention to by people.Effectively can filter out the pollutent in water due to filtration method, and produce, use cost is all very cheap, therefore existing water purifying plant uses filtration method to realize water purification usually.For obtaining the pure water can drunk for people, need to use nanofiltration membrane filter core or reverse osmosis membrane filter element in water purifying plant; Although the filtering accuracy of nanofiltration membrane or reverse osmosis membrane is very high, but very easily cause contaminant particles to stockpile in nanofiltration membrane or reverse osmosis membrane surface and block nanofiltration membrane or reverse osmosis membrane, and causing the work-ing life of nanofiltration membrane filter core or reverse osmosis membrane filter element short, the method usually by rinsing extends the work-ing life of nanofiltration membrane filter core or reverse osmosis membrane filter element; But, due to be accumulated in nanofiltration membrane or reverse osmosis membrane surface contaminant particles on also can be coated with the Ionic colloid and macromolecular colloid that flock together, these Ionic colloid flocked together and macromolecular colloid can increase the ability that contaminant particles is attached to nanofiltration membrane or reverse osmosis membrane surface, thus make the method be difficult to by rinsing extend the work-ing life of nanofiltration membrane filter core or reverse osmosis membrane filter element, to extend the work-ing life of nanofiltration membrane filter core or reverse osmosis membrane filter element, need to use a large amount of water to rinse, cause the problem that wastewater rate is too high.
Utility model content
Main purpose of the present utility model is to provide a kind of filtration unit and a kind of purifying drinking appliance with this filtration unit, is intended to the work-ing life extending nanofiltration membrane filter core or reverse osmosis membrane filter element, reduces wastewater rate.
For achieving the above object, the utility model provides a kind of filtration unit, for being connected with water source, described filtration unit comprises the first membrane cartridge, the second membrane cartridge and wastewater drainage pipe, described first membrane cartridge has water inlet, water outlet and waste water mouth, described water outlet is for discharging water purification, described waste water mouth is connected with described wastewater drainage pipe, described second membrane cartridge is located between water source and described water inlet, described first membrane cartridge is nanofiltration membrane filter core or reverse osmosis membrane filter element, and described second membrane cartridge is ultrafiltration membrane filter element.
Preferably, described filtration unit also comprises the energy storage that can store former water high pressure, and described energy storage is connected on the pipeline between described water inlet and described second membrane cartridge.
Preferably, described energy storage comprises tank body and is contained in the compressible air bag of described tank interior, is filled with gas in described air bag, and the cavity between described gasbag outer surface and described inner tank wall is used for water storage, or,
Described energy storage comprises tank body and is arranged on the water pocket for water storage of described tank interior, is closed cavity, and is filled with gas in described closed cavity between the outside surface of described water pocket and the inwall of described tank body.
Preferably, described filtration unit also comprises booster water pump, and described booster water pump is located between water source and described second membrane cartridge.
Preferably, described filtration unit also comprises waste water control valve, and described waste water control valve is located on described wastewater drainage pipe.
Preferably, described filtration unit also comprises controller, and described controller is all electrically connected with described booster water pump and described waste water control valve.
Preferably, described filtration unit also comprises the preposition filter core of some levels, and the preposition filter core of described some levels is located between described booster water pump and described second membrane cartridge.
Preferably, described filtration unit also comprises the rearmounted filter core of some levels, and the rearmounted filter core of described some levels is connected with described water outlet.
Preferably, described preposition filter core is the cotton filter core of polypropylene fibre, and described rearmounted filter core is active carbon filter core.
In addition, for achieving the above object, the utility model also provides a kind of purifying drinking appliance, is connected with water source, and described purifying drinking appliance comprises pure water inlet and described filtration unit, and described filtration unit is connected between water source and described pure water inlet.
In filtration unit provided by the utility model, the former water of high pressure is after the filtration of the second membrane cartridge, the first membrane cartridge is entered again from water inlet, because the second membrane cartridge adopts ultrafiltration membrane filter element, the aperture of ultrafiltration membrane filter element is less and can isolate the Ionic colloid and macromolecular colloid that are gathered in contaminant particles surface aggregation, thus weaken the nanofiltration membrane of contaminant particles at the first membrane cartridge (nanofiltration membrane filter core or reverse osmosis membrane filter element) or the ability of reverse osmosis membrane surface attachment, and then make the method by rinsing remove the contaminant particles stockpiled on nanofiltration membrane or the reverse osmosis membrane surface of the first membrane cartridge, reduce the probability that the nanofiltration membrane of the first membrane cartridge or reverse osmosis membrane are blocked by contaminant particles, the work-ing life of the first membrane cartridge can be improved, in addition, because contaminant particles is at the nanofiltration membrane of the first membrane cartridge or the reduced capability of reverse osmosis membrane surface attachment, during use purging method to remove contaminant particles that nanofiltration membrane or reverse osmosis membrane surface stockpile, the water yield of required flushing can reduce, thus reduce wastewater rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model filtration unit one embodiment.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of filtration unit.
With reference to Fig. 1, in one embodiment, this filtration unit can be, but not limited to be applied to there is pure water inlet 91 purifying drinking appliance on, this filtration unit is connected between water source (not shown) and pure water inlet 91; This filtration unit comprises the first membrane cartridge 10, second membrane cartridge 20 and wastewater drainage pipe 93, first membrane cartridge 10 has water inlet 11, water outlet 12 and waste water mouth 13, wherein, the water outlet 12 of the first membrane cartridge 10 discharges water purification for being connected with pure water inlet 91, the waste water mouth 13 of the first membrane cartridge 10 is connected with wastewater drainage pipe 93, second membrane cartridge 20 is located between the water inlet 11 of water source and the first membrane cartridge 10, in the present embodiment, first membrane cartridge 10 is nanofiltration membrane filter core or reverse osmosis membrane filter element, and the second membrane cartridge 20 is ultrafiltration membrane filter element.In the present embodiment, the former water of high pressure is after the filtration of the second membrane cartridge 20, the first membrane cartridge 10 is entered again from water inlet 11, because the second membrane cartridge 20 adopts ultrafiltration membrane filter element, the aperture of ultrafiltration membrane filter element is less and can isolate the Ionic colloid and macromolecular colloid that are gathered in contaminant particles surface aggregation, thus weaken the nanofiltration membrane of contaminant particles at the first membrane cartridge 10 (nanofiltration membrane filter core or reverse osmosis membrane filter element) or the ability of reverse osmosis membrane surface attachment, and then make the method by rinsing remove the contaminant particles stockpiled on nanofiltration membrane or the reverse osmosis membrane surface of the first membrane cartridge 10, reduce the probability that the nanofiltration membrane of the first membrane cartridge 10 or reverse osmosis membrane are blocked by contaminant particles, the work-ing life of the first membrane cartridge 10 can be improved, in addition, because contaminant particles is at the nanofiltration membrane of the first membrane cartridge 10 or the reduced capability of reverse osmosis membrane surface attachment, during the contaminant particles using purging method removing nanofiltration membrane or reverse osmosis membrane surface to stockpile, the water yield of required flushing can reduce, thus reduces wastewater rate.
Further, this filtration unit also comprises the energy storage 30 that can store former water high pressure, and this energy storage 30 is connected on the pipeline between the water inlet 11 of the first membrane cartridge 10 and the second membrane cartridge 20.In the present embodiment, concrete, energy storage 30, water inlet 11 and the second membrane cartridge 20 are linked together by a Y-junction 92; This energy storage 30 preferably includes tank body 31 and is contained in the compressible air bag 32 of tank body 31 inside, and be filled with gas in this air bag 32, the cavity between air bag 32 outside surface and tank body 31 inwall is used for water storage.In the present embodiment, this filtration unit also comprises waste water control valve 50, and this waste water control valve 50 is located on wastewater drainage pipe 93, and this waste water control valve 50 can be but be not limited to Wastewater by Electric magnet valve.
In the present embodiment, when needs filter water purification, the former water of high pressure is after the second membrane cartridge 20, a part enters the first membrane cartridge 10 by water inlet 11, the former water of high pressure entering the first membrane cartridge 10 forms water purification after filtering and sends to pure water inlet 91 by water outlet 12, another part then enters in energy storage 30, till air bag 32 under the effect of former water high pressure in energy storage 30 is compressed to the pressure equilibrium inside and outside air bag 32, in this process, waste water control valve 50 is in closing condition, water in first membrane cartridge 10 cannot be discharged by the wastewater drainage pipe 93 on waste water mouth 13, when needs flushing pollution discharge, disconnect the connection at the second membrane cartridge 20 and water source, open waste water control valve 50 simultaneously, owing to losing by the high pressure continued of former water extraction confession in the pipeline between water inlet 11 and the second membrane cartridge 20, balance in energy storage 30 is broken, water under the effect of air bag 32 in energy storage 30 can flow backward in the first membrane cartridge 10, and the nanofiltration membrane of the first membrane cartridge 10 or reverse osmosis membrane are rinsed, the waste water after flushing is discharged via waste water mouth 13 and wastewater drainage pipe 93 successively.The filtration unit that the present embodiment provides puts aside pressure by utilizing energy storage 30, adopt filtration of damming, be interrupted the operating mode of high pressure washing, can fall be accumulated in contaminant particles on the first membrane cartridge 10 and while extending for first membrane cartridge 10 work-ing life, wastewater rate can reduced further by cleaning down.It is emphasized that, in other embodiments of the present utility model, this energy storage 30 can also comprise tank body and be arranged on the water pocket for water storage of tank interior, is closed cavity, and is filled with gas in this closed cavity between the outside surface of this water pocket and the inwall of tank body; Energy storage 30 can be also made to have the effect storing former water high pressure equally.
It is emphasized that in the present embodiment, water inlet 11 and water outlet 12 are positioned at one end of the first membrane cartridge 10, and waste water mouth 13 is positioned at the other end of the first membrane cartridge 10; And in other embodiments of the present utility model, contrary with in the present embodiment of the water inlet of the first membrane cartridge and the position of waste water mouth, namely waste water mouth and water outlet are positioned at one end of the first membrane cartridge, and water outlet is positioned at the other end of the first membrane cartridge, so, energy storage can realize the back flushing to the first membrane cartridge, and its effect is consistent with the effect of energy storage in the present embodiment 30 to the flushing that the first membrane cartridge carries out.
In the present embodiment, this filtration unit also comprises booster water pump 40, this booster water pump 40 is located between water source and the second membrane cartridge 20, the hydraulic pressure of former water can be made controlled on the one hand, and this filtration unit that can enable on the other hand normally uses in the environment that water source hydraulic pressure is less.
In the present embodiment, this filtration unit also comprises controller 60, this controller 60 is all electrically connected with booster water pump 40 and waste water control valve 50, to pass through the control booster water pump 40 of controller 60 intelligence and the working order of waste water control valve 50, thus improves automatization and the intellectuality of this filtration unit.
In the present embodiment, this filtration unit also comprises the preposition filter core 70 of some levels, the preposition filter core 70 of this some level is located between booster water pump 40 and the second membrane cartridge 20, to filter out the partial impurities in former water in advance, thus extend the work-ing life of the second membrane cartridge 20, extend the work-ing life of the first membrane cartridge 10 further simultaneously; Concrete, preposition filter core 70 is preferably the cotton filter core of polypropylene fibre, and the cotton filter core of polypropylene fibre can iron rust effectively in the former water of filtering, sandstone equal diameter all impurity of being greater than 5 microns.In addition, in the present embodiment, this filtration unit also comprises the rearmounted filter core 80 of some levels, between the water outlet 12 that the rearmounted filter core 80 of this some level is located at the first membrane cartridge 10 and pure water inlet 91, to strengthen the filtration capacity of this filtration unit; Concrete, rearmounted filter core 80 is preferably active carbon filter core, active carbon filter core can effectively chlorine residue in planar water, smell the chemical agents such as taste, heterochromatic, agricultural chemicals.
The utility model also provides a kind of purifying drinking appliance.
In one embodiment, this purifying drinking appliance is connected with water source, and this purifying drinking appliance comprises the filtration unit in pure water inlet and previous embodiment, and this filtration unit is connected between water source and pure water inlet.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a filtration unit, for being connected with water source, it is characterized in that, described filtration unit comprises the first membrane cartridge, the second membrane cartridge and wastewater drainage pipe, and described first membrane cartridge has water inlet, water outlet and waste water mouth, and described water outlet is for discharging water purification, described waste water mouth is connected with described wastewater drainage pipe, described second membrane cartridge is located between water source and described water inlet, and described first membrane cartridge is nanofiltration membrane filter core or reverse osmosis membrane filter element, and described second membrane cartridge is ultrafiltration membrane filter element.
2. filtration unit as claimed in claim 1, it is characterized in that, described filtration unit also comprises the energy storage that can store former water high pressure, and described energy storage is connected on the pipeline between described water inlet and described second membrane cartridge.
3. filtration unit as claimed in claim 2, is characterized in that, described energy storage comprises tank body and is contained in the compressible air bag of described tank interior, gas is filled with in described air bag, cavity between described gasbag outer surface and described inner tank wall is used for water storage, or
Described energy storage comprises tank body and is arranged on the water pocket for water storage of described tank interior, is closed cavity, and is filled with gas in described closed cavity between the outside surface of described water pocket and the inwall of described tank body.
4. the filtration unit as described in any one of claims 1 to 3, is characterized in that, described filtration unit also comprises booster water pump, and described booster water pump is located between water source and described second membrane cartridge.
5. filtration unit as claimed in claim 4, it is characterized in that, described filtration unit also comprises waste water control valve, and described waste water control valve is located on described wastewater drainage pipe.
6. filtration unit as claimed in claim 5, it is characterized in that, described filtration unit also comprises controller, and described controller is all electrically connected with described booster water pump and described waste water control valve.
7. filtration unit as claimed in claim 4, it is characterized in that, described filtration unit also comprises the preposition filter core of some levels, and the preposition filter core of described some levels is located between described booster water pump and described second membrane cartridge.
8. filtration unit as claimed in claim 7, it is characterized in that, described filtration unit also comprises the rearmounted filter core of some levels, and the rearmounted filter core of described some levels is connected with described water outlet.
9. filtration unit as claimed in claim 8, is characterized in that, described preposition filter core is the cotton filter core of polypropylene fibre, and described rearmounted filter core is active carbon filter core.
10. a purifying drinking appliance, is connected with water source, it is characterized in that, described purifying drinking appliance comprises pure water inlet and the filtration unit as described in any one of claim 1 to 9, and described filtration unit is connected between water source and described pure water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520202203.9U CN204550250U (en) | 2015-04-03 | 2015-04-03 | Filtration unit and purifying drinking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520202203.9U CN204550250U (en) | 2015-04-03 | 2015-04-03 | Filtration unit and purifying drinking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204550250U true CN204550250U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520202203.9U Expired - Fee Related CN204550250U (en) | 2015-04-03 | 2015-04-03 | Filtration unit and purifying drinking appliance |
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| Country | Link |
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| CN (1) | CN204550250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145409A (en) * | 2015-04-03 | 2016-11-23 | 佛山市顺德区美的饮水机制造有限公司 | Defecator and purifying drinking appliance |
-
2015
- 2015-04-03 CN CN201520202203.9U patent/CN204550250U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145409A (en) * | 2015-04-03 | 2016-11-23 | 佛山市顺德区美的饮水机制造有限公司 | Defecator and purifying drinking appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20200403 |