KR20120136112A - Filter cartridge and filter using the same - Google Patents

Abstract

PURPOSE: A filter cartridge and a filter using the same are provided to prevent impurities from supplying to a user and to efficiently purify water. CONSTITUTION: A filter cartridge includes a first filter(10), a second filter(20), and a supporting part(40). The first filter and the second filter are in the shapes of membranes and are stacked. The supporting part supports both sides of the stacked first filter and second filter. The first filter and the second filter collect impurities from the filters. Both respective sides of the filters are fused to form the closed shape of the stacked body. A separating membrane(30a) is arranged between the first filter and the second filter.

Description

Filter cartridge and filter using same {FILTER CARTRIDGE AND FILTER USING THE SAME}

The present invention relates to a filter cartridge and a filter using the same. More particularly, the filter cartridge may be provided in a dual form to improve the water purification performance of the filter, and to confine impurities generated from the filter to a specific space. The present invention relates to a filter cartridge capable of preventing impurities from being supplied to a user and a filter using the same.

Filters used in water purifiers or water treatment pass water or other liquids containing impurities through the filter, leaving impurities and extracting pure water or other liquids.

If this action is repeatedly performed, impurities continue to adhere to and accumulate on the surface of the filter, or the filter is finely damaged, thereby degrading the filter's ability over time. Therefore, it is necessary to replace the filter periodically so that the quality of purified water or water treatment can be kept uniform.

To this end, a filter cartridge equipped with a filter is used in the filter holder, and when the filter life is over, a standardized filter cartridge is developed so that the existing filter cartridge can be removed from the filter holder and simply replaced with a new filter cartridge. Has been.

As shown in FIG. 1, the filter cartridge according to the related art is provided with a filter membrane filter 110 having a bent shape several times between the disc holders 120, and a core 130 mounted therein. Known.

In the filter cartridge 100 according to the related art, the surface area of the filtration membrane filter 110 is increased by using the filtration membrane filter 110 having a shape bent several times in order to improve the processing capacity per hour.

Specifically, referring to the cross-sectional view of Figure 1, the filtration membrane filter 110 of the filter cartridge 100 according to the prior art is bent in a zig-zag multiple times of the flat-shaped membrane, and the one end and the other end of the membrane is fused It is fixed. At this time, the end of the fusion portion 112 is disposed to face the outside of the filter cartridge 100.

Raw water entering the filter cartridge 100 through the inlet hole 122 by the filter cartridge 100 according to the prior art having such a configuration flows through the core 130 and is filtered through the filter and then discharged to the outside.

At this time, the raw water passing through the filter passes through not only the surface of the general filter but also through the fusion unit 112 and the end 113.

On the other hand, in the manufacturing process of the filter cartridge 100, fine dust or foreign matter is generated at the fusion portion 112 and the end, in particular, the end 113, a lot of fine dust is generated in the cutting process of the filter membrane filter (110). There is a problem that such fine dust or foreign matter is attached, it can be supplied to the user with the purified water filtered by the filter.

In addition, there is a problem that the water purification capacity may be insufficient because it uses only one filter.

The present invention has been proposed to solve the conventional problems as described above, the object of the present invention is not only to improve the water purification performance in the form of a double filter formed by stacking the first and second filter cartridge filter, but also in the manufacturing process A filter cartridge configured to confine impurities generated at end portions and fusion portions of the first and second filters in a space between the filter cartridge and the filter housing or inside the filter cartridge to prevent impurities from flowing out of the filter and being supplied to the user; It is to provide a filter using the same.

As a technical aspect for achieving the above object, the present invention is provided in the form of a membrane, the first, second filters are laminated and provided to support both sides of the first filter and the second filter is laminated state It includes a support, wherein the first, the second filter, provides a filter cartridge, characterized in that configured to trap impurities generated from the first, second filter.

Preferably, the first and second filters each have one side and the other side of the membrane fused to form a closed end, and the fusion portions of the first and second filters are formed in the same direction inside or outside.

More preferably, further comprising a separating member disposed between the first and second filters, the separation member provided to couple the first and second filters.

More preferably, the separating member is provided in a hollow form when the fusion portions of the first and second filters are formed in the inward direction.

More preferably, the first and second filters are formed of charged nanofibers.

And, the present invention, the filter cartridge described above and the filter housing is provided so that the filter cartridge is provided therein, wherein impurities generated from the first and second filter is inside the filter cartridge or the filter cartridge and the A filter is provided which is confined in a space between filter housings.

Preferably, the fusion portions of the first and second filters are formed in the inward direction, and the flow path inside the filter housing is formed in the inward direction of the first filter and outward of the second filter. Impurities generated from the second filter are trapped inside the filter cartridge.

More preferably, the fusion portions of the first and second filters are formed in the outward direction, and the flow path inside the filter housing is formed in the outward direction of the first filter and in the inward direction of the second filter. Impurities generated from the first and second filters are confined in the space between the filter cartridge and the filter housing.

According to the filter cartridge and the filter using the same according to the present invention, by providing a filter cartridge in the form of a double filter formed by stacking the first and second filters, there is an effect that can improve the water purification performance.

In addition, the impurities generated in the fusion portion of the first and second filters during the manufacturing process of the filter are confined in the space between the filter cartridge and the filter housing or inside the filter cartridge to prevent impurities from flowing out of the filter and being supplied to the user. It has an effect.

1 is a perspective view and a cross-sectional view showing a filter cartridge according to the prior art
Figure 2 is a perspective view and a cross-sectional view showing an embodiment of a filter cartridge according to the present invention
3 is a perspective view and a cross-sectional view showing another embodiment of a filter cartridge according to the present invention
4 is a front view and a cross-sectional view showing a filter provided with the filter cartridge of FIG.
5 is a front view and a cross-sectional view showing a filter provided with the filter cartridge of FIG.

Hereinafter, with reference to the accompanying drawings will be described in detail a filter cartridge and a filter using the same according to the present invention.

2 and 4 show one embodiment of the filter cartridge 1 according to the present invention and a filter 2 having the same, respectively, and FIGS. 3 and 5 show another embodiment of the filter cartridge 1 according to the present invention. The filter 2 provided is shown, respectively.

First, the filter cartridge 1 according to the present invention may be largely configured to include a double filter and a support 40 for fixing the double filter. In addition, it is possible to prevent impurities from being supplied to the user by trapping impurities generated from the filter by the detailed configuration to be described later.

Specifically, the filter is provided in the form of a membrane, but may be composed of first and second double filters to improve the water purification capability. In addition, the first and second filters 10 and 20 may be formed of various raw materials used for a water purifier as well as a nonwoven fabric.

In addition, the first and second filters 10 and 20 may be formed in a stacked structure. That is, the second filter 20 is disposed on the upper layer of the first filter 10, and the first filter 10 and the second filter 20 are separated through separation members 30a and 30b disposed therebetween. It can be configured in a combined form.

Here, the first and second filters 10 and 20 may be provided in the form of a flat plate, but as described in the background art, the first and second filters 10 and 20 may be provided in a pleated form to increase the surface area of the filter in contact with the raw water to improve the water treatment capacity. It is preferable.

In addition, the filter cartridge 1 according to the present invention may include a support part 40 provided to support both sides of a state in which the first filter 10 and the second filter 20 are stacked and coupled.

Specifically, referring to FIGS. 2 and 3, the lower part and the second filter of the first filter 10 in a state in which the first filter 10 and the second filter 20 are coupled through the separating members 30a and 30b. Support portions 40a and 40b may be provided at the upper portions of the 20, respectively. That is, a combination of the first and second filters 10 and 20 is provided between the upper and lower support parts 40b and 40a.

In addition, although not shown, a core forming a hollow part may be further provided inside the first and second filters 10 and 20.

Next, the first and second filters 10 and 20 may be fused to one side and the other side of the membrane, respectively, so that the cross section may be formed in a closed end shape. Here, it is preferable that the fusion | fusing part 12 and 22 of the 1st, 2nd filter 10 and 20 are formed in the same direction of an inner side or an outer side.

Referring to FIGS. 2 and 3, the first and second filters 10 and 20 are fused in a state in which one side and the other side to be fused are oriented in the inward or outward direction, so that the cross section is formed in a closed end shape.

Specifically, in one embodiment of the filter cartridge 1 according to the present invention of FIG. 2, one side and the other side of the first and second filters 10 and 20 are both bent in the outward direction, and the bent side and the other side are bent. The opposite surfaces of the surfaces are fused to form a cylindrical filter.

Meanwhile, in another embodiment of the filter cartridge 1 according to the present invention of FIG. 3, one side and the other side of the first and second filters 10 and 20 are both bent inward, and the one side and the other side of the filter cartridge 1 are bent inward. The opposite surfaces are fused to form a cylindrical filter.

That is, the fusion parts 12 and 22 of the first and second filters 10 and 20 are all formed to protrude in the outward direction of the closed end space, or both protrude in the inner direction of the closed end space.

As such, the reason for forming the fusion portions 12 and 22 of the first and second filters 10 and 20 in the same direction is as described below, according to the flow path inside the filter housing. This is to confine the impurities generated from the fusion portion 12, 22 and the end of the (20) in the space between the filter cartridge 1 and the filter housing 50 or inside the filter cartridge (1).

Next, embodiments of the filter cartridge 1 according to the present invention and the filter 2 provided with the filter cartridge 1 will be described in more detail with reference to FIGS. 4 and 5.

First, as described in the background art, in the manufacturing process, the fusion portion and the end are fine dust or foreign substances are generated and buried. In particular, a lot of fine dust generated in the cutting process of the filter is attached to the end. Such fine dust or foreign matter should be prevented from being spilled and supplied to the user.

One embodiment of the filter 2 shown in FIG. 4 may include the filter cartridge 1 described above and a filter housing 50 provided to be provided therein. In addition, the filter 2 may be configured such that impurities generated from the first and second filters 10 and 20 are trapped in a space between the filter cartridge 1 and the filter housing 50. .

To this end, the filter 2 of FIG. 4 may include a filter cartridge 1 in which the fusion portions 12a and 22a shown in FIG. 2 are formed in the filter outward direction in the filter housing 50.

First, the flow path inside the filter 2 of FIG. 4 will be described. Raw water flows into the first filter 10 from the inlet 52a provided at the lower portion of the filter housing 50, and the raw water flows into the first filter 10. 1 Passes through the filter 10 in the outward direction.

Then, the passed purified water moves upward along the filter housing 50, and the moved purified water passes through the second filter 20 in the inward direction and then passes through the outlet 52b provided at the upper portion of the filter housing 50. Spills through.

On the other hand, the filter cartridge 1 has a configuration in which the upper support portion 40b and the lower support portion 40a are coupled up and down while the first and second filters 10 and 20 are coupled as described above. Therefore, as described above, the raw water flows into the first filter 10 from the inlet 52a of the filter housing 50 and the purified water passes through the outlet 52b of the filter housing 50. In order to flow out from the upper and lower support portions 40b and 40a, the hollow form is preferably provided with an outlet hole 42b and an inlet hole 42a, respectively.

That is, in the filter 2 of FIG. 4 according to the present invention, the fusion portions 12a and 22a of the first and second filters 10 and 20 are all formed in the outward direction, and the flow path is the first filter ( 10) inward to outward, above the filter housing 50, and outwardly from the second filter 20.

Accordingly, the fine dust or foreign matter generated from the first and second filters 10 and 20 is moved to the upper portion of the filter housing 50, but is not filtered out by the second filter 20 and flows out of the filter housing 50. ) And the filter cartridge (1).

On the contrary, in contrast to the flow path described above, the outlet 52b, the second filter 20, the first filter 10, and the inlet 52a below the filter housing 50 are sequentially formed. May be

Even in this case, the fine dust or foreign matter generated from the first and second filters 10 and 20 is moved to the lower part of the filter housing 50, but is filtered out by the first filter 10 so as not to flow out of the filter housing 50. ) And the filter cartridge (1).

In addition, although not specifically illustrated, the filter cartridge 1 may be coupled to the filter housing 50 in various forms. For example, the upper and lower portions of the filter cartridge 1 and the upper and lower portions of the lower support portions 40b and 40a and the filter housing 50 may be configured to be screwed together, or protrusions and grooves may be provided on the protrusions and grooves, respectively. It may be configured to fit in the groove.

Another embodiment of the filter 2 shown in FIG. 5 may include the filter cartridge 1 described above and a filter housing 50 provided to be provided therein. In addition, the filter 2 may be configured such that impurities generated from the first and second filters 10 and 20 are trapped inside the filter cartridge 1.

To this end, the filter 2 of FIG. 5 may include a filter cartridge 1 in which the fusion portions 12b and 22b shown in FIG. 3 are formed in the filter inner direction in the filter housing 50.

First, the flow path inside the filter 2 of FIG. 5 will be described. Raw water flows in from the inlet port 52a provided in the lower portion of the filter housing 50, and the introduced raw water is supplied to the first filter 10. Pass inward.

Then, the passed purified water is introduced into the second filter 20 through the separating member 30b, and the introduced purified water passes through the second filter 20 in the outward direction and is provided at the upper portion of the filter housing 50. It flows out through the outlet 52b which becomes.

On the other hand, the filter cartridge 1 has a configuration in which the upper support portion 40b and the lower support portion 40a are coupled up and down while the first and second filters 10 and 20 are coupled as described above. Therefore, as described above, the raw water flows in from the inlet 52a of the filter housing 50 and then flows in through the surface of the first filter 10, and passes through the surface of the second filter 20, and then the filter. In order to flow out from the outlet 52b of the housing 50, the upper and lower support portions 40b and 40a are preferably in the form of a closed disk.

In addition, since the purified water should be configured to flow into the second filter 20 through the separating member 30b in the first filter 10, the separating member 32b may be provided in a hollow form.

In addition, since the flow path from the first filter 10 to the second filter 20 should be formed in the filter cartridge 1, the filter housing 50 may be formed by the separating member 30b when the filter cartridge 1 is installed. It is preferable to be comprised so that it may separate up and down.

To this end, referring to FIG. 5, when the filter cartridge 1 is installed inside the filter housing 50, the outer circumferential surface 34 of the separation member 30b and the protruding inner circumferential surface 54 of the filter housing 50 are closely coupled. Can be configured. And, the coupling may be made in the form of screw coupling.

The coupling configuration of the outer circumferential surface 34 of the separating member 30b and the protruding inner circumferential surface 54 of the filter housing 50 is not limited to the illustrated screw coupling type, but may be in various forms. For example, a protrusion formed on the outer circumferential surface 34 of the separating member 30b may be fitted into a groove formed on the protruding inner circumferential surface 54 of the filter housing 50, and the rubber packing may be prevented so that the purified water does not leak. It may be further provided.

Accordingly, the space inside the filter housing 50 is separated so that the purified water moves only through the hollow part 32 of the separating member 30b.

That is, in the filter 2 of FIG. 5 according to the present invention, the fusion portions 12b and 22b of the first and second filters 10 and 20 are all formed in the inward direction, and the flow path is the filter housing 50. ) In the inward direction of the first filter 10 and in the outward direction of the second filter 20 above the filter housing 50.

Accordingly, the fine dust or foreign matter generated from the first and second filters 10 and 20 is moved to the upper portion of the filter housing 50, but is filtered out by the second filter 20 and does not flow out of the filter cartridge 1. ) Trapped inside.

On the other hand, in contrast to the flow path described above, the filter housing 50 may be formed in the inward direction of the second filter 20 and in the lower direction of the filter housing 50.

Even in this case, fine dust or foreign matter generated from the first and second filters 10 and 20 is moved to the lower part of the filter housing 50, but is filtered out by the first filter 10 and is not leaked out. ) Trapped inside.

In summary, the filter 2 according to the present invention equalizes the fusion portions 12 and 22 of the first and second filters 10 and 20 in the inner or outer direction in accordance with the flow direction inside the filter housing. By forming, fine dust or foreign matter generated from the first and second filters 10 and 20 may be configured to be trapped in the space between the filter housing 50 and the filter cartridge 1 or inside the filter cartridge 1. .

Accordingly, the fine dust or foreign substances generated from the first and second filters 10 and 20 may be prevented from flowing out through the outlet 52b of the filter 2 to prevent supply to the user. You can get it.

In addition, if the fine dust or foreign matter is accumulated in the space between the filter housing 50 and the filter cartridge 1 or in the filter cartridge 1 by using the filter 2 continuously, the filter cartridge 1 is filtered. Separation from the housing 50 can easily remove the fine dust or foreign matter.

Next, as the first and second filters 10 and 20, the nanofibers may be charged.

Specifically, the nanofiber filter is made of nano fiber as an addressing material, and has a charge on the surface, and is capable of filtering minerals, organic materials, metals, bacteria, DNA, or viruses. Even nano-sized particles can be processed.

In particular, the nanofiber filter not only has a small pore of the film itself but also has a charge, and thus has excellent performance in removing bacteria and viruses.

Furthermore, in addition to the superior water purification capability described above, the nanofiber filter has the advantage that the processing flow rate is larger than that of the reverse osmosis membrane filter, so that it can process a large amount in a short time and there is no water that is discarded as concentrated water.

Further, in the present invention, the filter 1 is preferably a nano alumina fiber filter having high electrical conductivity among the nanofiber filters having such a charge, but is not limited to the nanofiber filter.

While the invention has been shown and described in connection with specific embodiments so far, it will be appreciated that the invention can be variously modified and varied without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 ... filter cartridge 2 ... filter
10, 20 ... first, second filter 12, 22 ... welded portion
30a, 30b ... Separation member 32 ... Hollow part
40, 40a, 40b ... support 42a ... inlet hole
42b ... outlet 50 ... filter housing
52a ... inlet 52b ... outlet

Claims (8)

First and second filters 10 and 20 provided in a film form and stacked; And
It includes a support portion 40 provided to support both sides of the state in which the first filter 10 and the second filter 20 are stacked,
The first and second filters (10) (20), the filter cartridge, characterized in that configured to trap impurities generated from the first and second filters.
The method of claim 1,
The first and second filters 10 and 20 are fused to one side and the other side of the membrane, respectively, and are formed in a closed end cross section.
The filter cartridge, characterized in that the fusion portion (12) (22) of the first, second filter (10) (20) is formed in the same direction inside or outside.
The method of claim 2,
The filter cartridge, characterized in that it further comprises a separating member (30a) (30b) disposed between the first, second filter (10) (20), provided to combine the first, second filter.
The method of claim 3,
The separation member (30b), when the fusion portion 12, 22 of the first, second filter 10, 20 is formed in an inward direction, the filter cartridge, characterized in that provided in a hollow form .
The method of claim 1,
The first and second filters (10) (20), the filter cartridge, characterized in that the nanofibers are charged as an address material.
A filter cartridge (1) according to any one of claims 1 to 5; And
The filter cartridge 1 includes a filter housing 50 provided to be provided therein,
The filter, characterized in that the impurities generated from the first and second filters (10) (20) is trapped in the filter cartridge (1) or the space between the filter cartridge and the filter housing (50).
The method according to claim 6,
Fusion parts 12 and 22 of the first and second filters 10 and 20 are formed in an inward direction,
The flow path inside the filter housing 50 is formed in the inward direction of the first filter 10 and outward of the second filter 20, so that impurities generated from the first and second filters are filtered. A filter, characterized in that it is trapped inside the cartridge (1).
The method according to claim 6,
Fusion parts 12 and 22 of the first and second filters 10 and 20 are formed in an outward direction,
The flow path inside the filter housing 50 is formed in the outward direction of the first filter 10 and in the inward direction of the second filter 20, so that impurities generated from the first and second filters are filtered. A filter, characterized in that it is trapped in the space between the cartridge (1) and the filter housing (50).

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