KR102482743B1 - Water Filter Having Tube Bundle Type Flow Passages - Google Patents

Abstract

The present invention relates to a water purification filter having a tube bundle, wherein the water purification filter comprises: a hollow filter body (3) which filters raw water flowing in through an outer peripheral surface and discharges the same to the outside through an axial flow path (11) formed along an axis line; and a support body (5) coupled to both end surfaces of the filter body (3) to support the filter body (3). The filter body (3) includes a plurality of surrounding flow paths (13) formed in a bundle at intervals from each other to surround the axial flow path (11). Therefore, the water flow resistance of the filter can be greatly reduced through the tube bundle of the filter body. In addition, since an auxiliary filter body for the purpose of removing specific harmful substances or adding beneficial substances can be inserted or filled in the tube bundle, the range of use of the filter can be greatly expanded, and thus the filtration performance of the filter can be greatly improved.

Description

Water filter having tube bundle type flow passages

The present invention relates to a water purification filter having a tube bundle, and more particularly, to form a plurality of tube bundles inside a filter body, to jointly maintain a plurality of enveloping passages constituting the tube bundle, or to filter specific harmful substances inside the enveloping passages. The present invention relates to a water filter having a tube bundle capable of increasing the filtration performance of the filter or reducing water flow resistance by filling a special purpose auxiliary filtration means for filtering or adding beneficial substances.

In general, water filters use different types of filtration materials as filtering means to remove various harmful substances when filtering and purifying raw water.

However, since harmful substances contained in raw water vary according to environmental conditions, in order to cope with these changes, conventional water filters, for example, disclosed in Patent Publication No. 10-2020-0120158, include 'a plurality of materials, As in the 'filter for water purifier with improved water purification performance', the filter is manufactured in multiple ways. That is, as shown in FIG. 1, the above filter has a dual structure of a first water filter 102 and a second water filter 103, and the first water filter 102 is composed of a hollow fiber membrane filter. And, the second water filter 103 may be composed of a ceramic filter or a carbon block filter.

Therefore, the conventional filter as described above is a composite filter, which filters different filtration objects from raw water through the first and second water filters (102.103) in one filter device, so that two filter devices are used. It is possible to implement the same filtration performance as However, as shown in FIG. 1, since this filter is composed of two upper and lower stages to distinguish the first and second water filters 102 and 103, the outer appearance is still enlarged, so the external design is not beautiful, and the transportation, installation, etc. There is a problem that use handling becomes inconvenient.

In addition, since the first and second water filters 102 and 103 are two-tiered and the internal structure is complicated, the number of parts required increases, the number of working man-hours decreases, and thus the product cost increases. there is

In addition, since the first and second water filters 102 and 103 are filled with high-density filter material except for the central through hole on the axial line where the upper and lower ends of the hollow cylindrical filter body are connected to the axial center flow path 115, the water flow resistance is large. There are also problems that arise.

Patent Publication No. 10-2020-0120158

The present invention has been proposed to solve the above problems of the conventional composite filter, by forming a tube bundle consisting of a plurality of tubular passages inside the filter body, by reducing the water passing resistance of the filter body through a plurality of passages, Its purpose is to improve water purification performance.

In addition, by inserting or filling a filtration material such as activated carbon or ceramic for the purpose of removing specific harmful substances such as heavy metals or adding beneficial substances to the inside of the tube bundle, various types of specific harmful substances are removed according to environmental conditions. Another object is to increase the filtration performance of the filter by enabling intensive removal.

In addition, as described above, by reducing the water resistance and improving the filtration performance, the structure of the filter body can be reduced in size and lightweight, thereby improving the aesthetics of the external appearance of the filter and internally improving the production efficiency of the filter body. has another purpose.

In order to achieve this object, the present invention filters the raw water flowing through the outer circumferential surface and flows out through the axial flow path formed along the axis of the hollow filter body; and a support member coupled to both end surfaces of the filter body to support the filter body, wherein the filter body includes a plurality of enveloping passages formed while forming bundles at intervals from each other so as to surround the axial center passage. It provides a water filter having.

In addition, it is preferable that the filter body forms the enveloping passage jointly.

In addition, the filter body is preferably provided with an auxiliary filter body capable of selectively filling each of the enveloping passages according to the filtering object to be filtered out.

In addition, it is preferable that the auxiliary filter body is formed by molding one or more lumps using any one of ceramic balls, silver-impregnated balls, and activated carbon as a material.

In addition, it is preferable that the activated carbon constituting the auxiliary filter body is filled into the enveloping passage in a powdery state in which a binder for forming into granules is removed.

According to the water filter having a tube bundle of the present invention, since the tube bundle is formed by arranging a plurality of tube flow passages to surround the axial flow path of the filter body, the water generated in the process of filtering the raw water flowing into the filter body for filtration Fluid resistance, that is, water flow resistance can be greatly reduced, and thus the filter's water purification performance can be improved.

In addition, since the filter body can be manufactured by inserting or filling an auxiliary filter body mainly composed of a filtration material such as activated carbon into a plurality of enveloping passages constituting the tube bundle, basic filtration of raw water as well as raw water, such as Specific harmful substances such as heavy metals can be intensively removed, or an auxiliary filter mainly composed of ceramic can be inserted or charged into the filter through an enveloping passage, thereby removing bad odors from raw water and eluting mineral components. By utilizing filtration materials specialized for various types of filtration objects, such as being able to be added, the application range of the filter can be greatly expanded, and accordingly, the filtration performance of the filter can be greatly improved.

In addition, as described above, by utilizing a plurality of tubular passages constituting the tube bundle of the filter body, the water flow resistance of the filter is reduced, and the filtration performance of the filter is improved through the auxiliary filter body inserted or charged in the tube bundle, while maintaining the compact appearance of the filter. Therefore, not only can the exterior of the filter be made beautiful, but also the internal structure of the filter can be simplified, so the number of parts or assembly man-hours can be reduced, thereby greatly improving the production efficiency of the filter body.

1 is a longitudinal sectional view showing a conventional water filter.
2 is an external perspective view of a water filter having a tube bundle according to an embodiment of the present invention.
Figure 3 is an exploded perspective view in which a part of Figure 2 is disassembled;
Figure 4 is a longitudinal cross-sectional view of Figure 2
5 is a partially exploded perspective view of a water filter according to another embodiment of the present invention.
6 is a longitudinal cross-sectional view showing the assembled water filter of FIG. 5;
7 is a longitudinal cross-sectional view of a water filter according to another embodiment in which the auxiliary filter body in FIG. 6 is modified;

Hereinafter, a water filter having a tube bundle according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

As shown by reference numeral 1 in FIGS. 2 to 4, the water filter of the present invention largely includes a filter body 3 and a support body 5, and although not shown, it is contained in various types of water purification device cases and supplies water The raw water flowing from the source is filtered and purified, and then discharged to the place of use.

Here, the filter body 3 is a part that substantially filters raw water, and is made of a hollow cylindrical body through which an axial flow path 11 passes along an axis, as shown in FIGS. 2 to 4 .

In particular, as shown in FIGS. 3 and 4, the filter element 3 of the present invention is formed in a form in which a plurality of, for example, six enveloping passages 13 arranged in a regular hexagon form a bundle and surround the axial passage 11 As such, each of the enveloping passages 13 may have different inner diameters or axial lengths, and are spaced apart from each other at regular intervals. However, the interval between them may not be constant. In addition, making the axial length of each enveloping flow path 13 different means that the upper or lower portion of the enveloping flow path 13 is blocked and the enveloping flow path 13 is manufactured in the form of a blind hole.

In addition, the filter body 3 can be made of various types of filtration materials such as activated carbon. For example, when made of activated carbon, activated carbon powder is molded to form a briquette having a total of 7 through holes, as shown in FIG. can be made with In this way, as shown in FIG. 4 , the filter body 3 can be manufactured in a form in which a plurality of axial cavities are formed along and surrounding the axis through, for example, molding of activated carbon powder. However, the enveloping passage 13 may be formed inclined with respect to the axial line, or may be formed to have a different diameter from the axial passage 11 .

Accordingly, the filter body 3 filters the raw water flowing in the direction of the arrow Fi through the outer circumferential surface, flows it out in the direction of the arrow Fo through the axial flow passage 11, and supplies it to the place of use.

The support body 5 is a means for supporting or closing both ends of the filter body 3, and is made of a circular plate body forming a concentric circle with the filter body 3, as shown in FIGS. 2 to 4. However, in the support 5, a central water outlet hole 21 is penetrated at a position corresponding to the axial flow path 11 so that the filtered water passing through the filter body 3 can be discharged to the outside.

Accordingly, the filtered water passing through the filter body 3 may flow out in the direction of the arrow Fo through the axial flow path 11 and the central water outlet hole 21 . However, the volumetric flow rate of the filtered water flowing out through the central water outlet hole 21 is greater than that of the auxiliary filter body 15 described below. That is, the water passing resistance is reduced compared to the case where the auxiliary filter body 15 is present.

On the other hand, the filter body 3 is a different embodiment from the above, as shown in FIGS. 5 to 7, by selecting an auxiliary filter body 15 made of an appropriate filtration material according to the filtering target to filter out, for example, , By filling the five enveloping channels 13 arranged in a regular pentagon, the filtering performance can be improved.

At this time, as shown in FIGS. 5 and 6, the auxiliary filter body 15 is molded into one or two large chunks to match the selected filtration material to the enveloping flow path 13 and integrally inserted into the enveloping flow path 13 so as not to fall. It can be molded in the enveloping passage 13 so as to be integral with the filter body 3. In addition, as shown in FIG. 7 , the auxiliary filter body 15 may be made of a granular material such as a ball type or a chip type and filled in the enveloping passage 13 .

Accordingly, filtered water passing through the auxiliary filter body 15 may flow out through the axial flow path 11 . In this case, the filter body 3 can reduce the water passing resistance due to the existence of the auxiliary filter body 15 having a low density.

In this way, the shape or size of the auxiliary filter body 15 can be variously applied according to the embodiment, and the material can be variously changed according to the use or purpose of water purification. For example, it may be made of any one of ceramic balls, silver-impregnated balls, and activated carbon. When the ceramic balls are filled with the auxiliary filter body 15, it is possible to remove bad odors from raw water and to expect the elution of mineral components. In addition, in the case of using silver-impregnated balls, it is possible to suppress the growth of microorganisms in raw water through sterilization. In addition, heavy metals can be removed through activated carbon.

In particular, when activated carbon is used as a material for filtration filled in the enveloping passage 13, the activated carbon filled in the enveloping passage 13 is completely blocked from the outside, so even if the activated carbon powder is formed into granules, the binder used as a binding material The amount can be greatly reduced, or it can be filled in a powder state without using a binder. As a result, not only the filtration capacity of each activated carbon grain, but also the water purification performance of the auxiliary filter body 15 and furthermore, the filter body 3 and the water filter 1 can be greatly improved.

Now, the operation of the water filter 1 having a tube bundle according to a preferred embodiment of the present invention will be described.

According to the water filter 1 according to an embodiment of the present invention, raw water flowing into the filter device is purified by flowing into the filter body 3 in the direction of an arrow Fi as shown in FIG. 4 . That is, the raw water introduced into the inside through the outer circumferential surface 31 of the filter body 3 is filtered while passing through the filter body 3 .

Then, the filtered water flows into the enveloping flow passage 13 or passes through a section between the enveloping flow passages 13. Even when flowing into the enveloping flow passage 13, after passing through the enveloping flow passage 13, the filter body 3 is continuously filtered by The filtered water finally reaching the axial flow path 11 moves along the axial flow path 11 and is discharged to the outside through the central water outlet hole 21 .

As described above, in the water filter 1 of the embodiment shown in FIGS. 2 to 4, after the raw water introduced through the outer circumferential surface of the filter body 3 is filtered while passing through the filter body 3, the axial flow path 11 Since it is discharged to the outside through the water filter 1, it is possible to significantly lower the water passing resistance while maintaining the filtration performance of the water filter 1 as it is.

On the other hand, in the water filter 1 of the embodiment shown in FIGS. 5 and 6, the auxiliary filter body 15 is inserted into the enveloping passage 13 in a matched form or filled in a granular form and accommodated, as shown in FIG. 6 The raw water introduced into the filter body 3 in the direction of the arrow Fi is primarily filtered by the filter body 3. The primary filtered filtered water may flow out through the central outlet hole 21 through the axial flow passage 11 after specific filtration objects such as heavy metals are filtered through the auxiliary filter body 15 or beneficial ingredients such as minerals are supplemented. there is.

At this time, as shown in FIG. 7 , when the auxiliary filter body 15 is formed in the form of a plurality of grains rather than a single lump, the water flow resistance of the filter body 3 and the water filter 1 can be lowered. That is, the filter body 3 has a water flow generated in the process of outflow of the inflowed raw water as filtered water when there is an envelope flow path, compared to the case when the enveloping flow path 13 is not present, regardless of the presence or absence of the auxiliary filter body 15. resistance can be lowered. Therefore, the water passing resistance is the lowest when there is only the surrounding passage 13 without the auxiliary filter body 15, and the highest water passing resistance when there is no surrounding passage 13, and the granular auxiliary filter body 15 in the surrounding passage 13 ) has an intermediate flow resistance when charged.

In particular, when the auxiliary filter body 15 is made of activated carbon. As mentioned above, since the activated carbon is blocked from the outside when it is filled in the enveloping passage 13, the amount of binder can be greatly reduced or the binder can be omitted when molding with activated carbon granules. and, furthermore, the water purification performance of the auxiliary filter body 15 and the water filter 1 can be greatly improved.

In the above, specific implementations of the present invention have been described as examples, but these are for illustrative purposes only and are not intended to limit the scope of protection of the present invention. It will be apparent to those skilled in the art that various substitutions, modifications and changes are possible within the scope of the technical spirit of the present invention.

1: water filter 3: filter body
5: support 11: axial flow path
13: Enveloping flow path 15: Auxiliary filter body
21: central outlet hole 31: outer circumferential surface

Claims (5)

A hollow filter body (3) for filtering raw water introduced through an outer circumferential surface and flowing out to the outside through an axial flow path (11) formed along an axis; and
A support 5 coupled to both end surfaces of the filter body 3 to support the filter body 3; includes,
The filter body 3 includes a plurality of enveloping passages 13 formed while forming a bundle at intervals from each other so as to surround the axial flow passage 11,
The filter body 3 jointly forms the enveloping passage 13,
The water filter having a tube bundle, characterized in that the support (5) is configured to block the surrounding passage (13) from the outside. delete The method of claim 1,
The water filter having a tube bundle, characterized in that the filter body (3) is provided with an auxiliary filter body (15) capable of selectively filling each of the enveloping passages (13) according to the filtering object to be filtered out. The method of claim 3,
The auxiliary filter body (15) is a water filter having a tube bundle, characterized in that it is formed by molding one or more lumps using any one of ceramic balls, silver-impregnated balls, and activated carbon as a material. The method of claim 4,
Activated carbon constituting the auxiliary filter body (15) is charged in the enveloping flow path (13) in a powder state in which a binder for forming into granules is removed.

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