CN203346212U - Drinking water filter element and active carbon filtering unit thereof - Google Patents
Drinking water filter element and active carbon filtering unit thereof Download PDFInfo
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- CN203346212U CN203346212U CN 201320408918 CN201320408918U CN203346212U CN 203346212 U CN203346212 U CN 203346212U CN 201320408918 CN201320408918 CN 201320408918 CN 201320408918 U CN201320408918 U CN 201320408918U CN 203346212 U CN203346212 U CN 203346212U
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Abstract
The utility model discloses a drinking water filter element and an active carbon filtering unit thereof which are particularly suitable for a drinking water system of a kitchen of a civil passenger plane, belonging to the technical field of filtering equipment. The drinking water filter element comprises a support framework and a filtering unit which are coaxially sleeved together from inside to outside as well as end covers fixed at the two ends of the support framework respectively, wherein the filtering unit comprises a sintered active carbon filtering layer and a filtering protection layer wrapping the peripheral surface of the sintered active carbon filtering layer; the sintered active carbon filtering layer is formed by sintering at least two active carbon layers; the pores of each active carbon layer are different in size; the active carbon layers are sequentially distributed along the filtering direction according to the size in descending order. By adopting the filter element disclosed by the utility model to filter tap water, large-particle impurities only can be deposited on the active carbon layer with larger pores, and smaller-particle bacteria still can pass through the active carbon layer with larger pores and are finally filtered by the active carbon layer with smaller pores. The filter element disclosed by the utility model has the advantages of low flow resistance and good filtering effect.
Description
Technical field
The utility model relates to a kind of drinking water filter cartridge and activated carbon filtration unit thereof, especially is applicable to airline carriers of passengers kitchen potable water system and uses, and belongs to the filter plant technical field.
Background technology
Contain the objectionable impuritiess such as granule foreign, bacterium and chlorine residue in the running water system in kitchen, need to use filter plant by the objectionable impurities filtering.The filtering layer of water purification catridge of the prior art adopts traditional PP material or absorbent charcoal material to make usually, and the mode of tackling by physics is by objectionable impurities filterings such as the granule foreign in water, bacteriums.As shown in Figure 1, this filtering layer is to consist of individual layer sintering activity charcoal layer to the filtering layer of a kind of sintering activity charcoal filter core of the prior art, and this active carbon layer has the hole of homogeneous size.The defect of this structure is if will guarantee interception than the impurity of small particle size, just must adopt the sintering activity charcoal of smaller aperture, but the hole of sintering activity charcoal to reduce to cause the flow resistance of filtering layer to increase; If reduce the flow resistance of filtering layer, need to increase the hole of sintering activity charcoal, and can affect filter effect like this.
Summary of the invention
The purpose of this utility model is to provide that a kind of flow resistance is low, the activated carbon filtration unit of good filtration effect.Simultaneously, the utility model also provides a kind of drinking water filter cartridge that uses this activated carbon filtration unit.
For achieving the above object, drinking water filter cartridge of the present utility model adopts following technical scheme: a kind of drinking water filter cartridge, comprise with intracardiac, the end cap that is set in support frame and filtering unit together outward and is separately fixed at the support frame two ends, described filtering unit comprises sintering activity charcoal filtering layer and is packaged in the filtration protective layer on sintering activity charcoal filtering layer periphery, sintering activity charcoal filtering layer is formed by least two-layer active carbon layer sintering, the pore size of each active carbon layer is different, each active carbon layer according to hole by distributing successively along filtering direction to little order greatly.
The active carbon layer of the innermost layer of described sintering activity charcoal filtering layer is the active carbon loading silver layer.
Described filtration protective layer is made by filter paper.
Activated carbon filtration of the present utility model unit adopts following technical scheme: a kind of activated carbon filtration unit; it comprises sintering activity charcoal filtering layer and is packaged in the filtration protective layer on sintering activity charcoal filtering layer periphery; sintering activity charcoal filtering layer is formed by least two-layer active carbon layer sintering; the pore size of each active carbon layer is different, each active carbon layer according to hole by distributing successively along filtering direction to little order greatly.
The active carbon layer of the innermost layer of described sintering activity charcoal filtering layer is the active carbon loading silver layer.
Described filtration protective layer is made by filter paper.
The serve as reasons active carbon layer of at least two kinds of different aperture sizes of sintering activity charcoal filtering layer of the present utility model forms, the impurity of larger particles can be tackled and adsorb to the larger active carbon layer of outer hole, the active carbon layer that the internal layer hole is less can be by bacterium in water etc. than the objectionable impurities filtering of small particle size, after using for some time, oarse-grained impurity can only be deposited on the active carbon layer that hole is larger, the bacterium that particle is less still can pass through in the active carbon layer larger from hole, the finally less active carbon layer filtering by hole, therefore the flow resistance of filter core of the present utility model and filtering unit is low, good filtration effect.
Further, the active carbon loading silver layer, in the objectionable impurities filtering by water, can also kill the bacterium in water by the high voltage electric that loads on the silver ions on gac, prevents that bacteria breed from, in filter core, causing secondary pollution to tap water.
The accompanying drawing explanation
Fig. 1 is the structural representation of the filtering layer of drinking water filter cartridge in prior art;
Fig. 2 is the structural representation of a kind of embodiment of the utility model;
Fig. 3 is the structural representation of filtering unit in Fig. 2.
Embodiment
A kind of embodiment of the utility model drinking water filter cartridge as shown in Figures 2 and 3, the drinking water filter cartridge of the present embodiment comprises with intracardiac, be set in support frame 3 and filtering unit 4 together outward, the two ends of support frame 3 are fixedly installed respectively upper end cover 1 and lower end cover 2, filtering unit 4 comprises sintering activity charcoal filtering layer and is packaged in the filtration protective layer 43 on sintering activity charcoal filtering layer periphery, the sintering activity charcoal filtering layer of the present embodiment comprises the active carbon layer of two-layer different aperture size, two-layer active carbon layer according to hole by distributing successively along filtering direction to little order greatly, the hole of outer active carbon layer 42 is larger, the hole of internal layer active carbon layer 41 is less, internal layer active carbon layer 41 is the active carbon loading silver layer.
When the drinking water filter cartridge of the present embodiment is used, the direction that water (flow) direction is arrow indication in Fig. 1, tap water enters inside by the side of filter core, filters 43 pairs of tap water of protective layer and carries out coarse filtration, by more coarse grained impurity filtering in water, to increase contamination capacity and the work-ing life of filter core; Water after 42 pairs of coarse filtrations of outer active carbon layer further filters, by the peculiar smell in water and chlorine residue and than the filtering of small particle impurity; Finally, internal layer active carbon layer 41 filters out bacterium again, and the silver ions on the internal layer active carbon layer can kill the bacterium in water simultaneously, prevents that bacteria breed from, in filter core, causing secondary pollution to tap water.Through three layer filtration, the water flowed out from the lower end cover outlet is just capable of direct drinking.
In other embodiment of the utility model drinking water filter cartridge, sintering activity charcoal filtering layer also can consist of the active carbon layer of the multilayer different aperture sizes such as three layers or four layers, each active carbon layer according to hole by distributing successively along filtering direction to little order greatly.
In other embodiment of the utility model drinking water filter cartridge, the filtration protective layer on outermost layer active carbon layer periphery also can be made by non-woven fabrics.
The embodiment of the utility model activated carbon filtration unit is identical with the filtering unit structure in the utility model drinking water filter cartridge embodiment, repeats no more herein.
Claims (6)
1. a drinking water filter cartridge; comprise the concentric inside and outside support frame be set-located and filtering unit and the end cap that is separately fixed at the support frame two ends; it is characterized in that: described filtering unit comprises sintering activity charcoal filtering layer and is packaged in the filtration protective layer on sintering activity charcoal filtering layer periphery; sintering activity charcoal filtering layer is formed by least two-layer active carbon layer sintering; the pore size of each active carbon layer is different, each active carbon layer according to hole by distributing successively along filtering direction to little order greatly.
2. drinking water filter cartridge according to claim 1, it is characterized in that: the active carbon layer of the innermost layer of described sintering activity charcoal filtering layer is the active carbon loading silver layer.
3. drinking water filter cartridge according to claim 1 and 2, it is characterized in that: described filtration protective layer is made by filter paper.
4. an activated carbon filtration unit; it is characterized in that: it comprises sintering activity charcoal filtering layer and is packaged in the filtration protective layer on sintering activity charcoal filtering layer periphery; sintering activity charcoal filtering layer is formed by least two-layer active carbon layer sintering; the pore size of each active carbon layer is different, each active carbon layer according to hole by distributing successively along filtering direction to little order greatly.
5. activated carbon filtration according to claim 4 unit, it is characterized in that: the active carbon layer of the innermost layer of described sintering activity charcoal filtering layer is the active carbon loading silver layer.
6. according to the described activated carbon filtration of claim 4 or 5 unit, it is characterized in that: described filtration protective layer is made by filter paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320408918 CN203346212U (en) | 2013-07-10 | 2013-07-10 | Drinking water filter element and active carbon filtering unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320408918 CN203346212U (en) | 2013-07-10 | 2013-07-10 | Drinking water filter element and active carbon filtering unit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203346212U true CN203346212U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320408918 Expired - Fee Related CN203346212U (en) | 2013-07-10 | 2013-07-10 | Drinking water filter element and active carbon filtering unit thereof |
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| CN (1) | CN203346212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255748A (en) * | 2019-08-02 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of composite filter element component and water purification system |
| CN110668606A (en) * | 2019-10-31 | 2020-01-10 | 科炭(厦门)新材料有限公司 | Composite activated carbon filter element and preparation method thereof |
-
2013
- 2013-07-10 CN CN 201320408918 patent/CN203346212U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255748A (en) * | 2019-08-02 | 2019-09-20 | 珠海格力电器股份有限公司 | A kind of composite filter element component and water purification system |
| CN110668606A (en) * | 2019-10-31 | 2020-01-10 | 科炭(厦门)新材料有限公司 | Composite activated carbon filter element and preparation method thereof |
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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 |
Granted publication date: 20131218 Termination date: 20180710 |
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| CF01 | Termination of patent right due to non-payment of annual fee |