JPH0580502U - Filtration device - Google Patents

Abstract

(57) [Summary] [Purpose] The filter material in the filtration device is supported by a support layer that is neither deformed nor cracked. [Structure] The filtration device 5 is provided with a support layer 16 in the lower part of a case 10 in which an upper half body 10a and a lower half body 10b are joined by screws 11, and a filter material 17 such as powdery glass beads is provided on the support layer 16. Filling. The support layer 16 has a fine first wire mesh member 18 for preventing the leakage of the filter material 17, and a coarse second wire mesh member 19 arranged below the first wire mesh member 18 to support the weight of the filter material 17. And a plate-like member 20 having a water passage hole 20a formed under the second wire mesh member 19.
Is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a filtering device for purifying hot water in a bathtub, for example.

[0002]

[Prior Art]

 As a device for removing contaminants in hot water used in a bath, there is a device using a wire mesh filter as disclosed in Japanese Utility Model Publication No. Sho 60-91121. However, if the filter is simply passed through, Organic matter cannot be removed.

Therefore, the present applicant has previously proposed, as Japanese Utility Model Laid-Open No. 57-58420, a filter device in which a filter material such as glass beads is filled and the purification effect is enhanced by this filter material.

[0004]

[Problems to be solved by the device]

 In the above-described filter device filled with a filter medium such as glass beads, in order to prevent the filter medium from leaking, the filter medium is filled on the support layer of the porous filter having the acrylic resin particles or the like welded thereto.

However, the porous support layer made of resin or ceramic may be deformed or cracked. If this happens, the filter medium will flow into the path of the hot water, causing other devices to malfunction. Further, the porous support layer is apt to be clogged, and the dirt cannot be easily removed even by backwashing.

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the filter device according to the present invention has a fine first wire mesh member for preventing the leakage of the filter medium, and an eye arranged under the first wire mesh member for supporting the weight of the filter medium. A support layer composed of the coarse second wire mesh member was provided in the case, and the filter material was filled on the support layer.

[0007]

[Action]

 While the treated water that has flowed in from above the case passes through the filter medium, organic substances and the like are adsorbed by the filter medium, and the purified treated water is taken out from the lower part of the case to the outside.

[0008]

【Example】

 Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is an overall view of a bath system that can be used for 24 hours, to which the filtration device according to the present invention is applied, in which a water inlet of a circulation line 3 equipped with a circulation pump 2 is connected to a lower portion of the bath tank 1, The water outlet of the circulation line 3 is connected to the upper part of the bathtub 1, and in the middle of the circulation line 3, a hair catcher 4, a filtration device 5 of the present invention, a sterilization device 6 using ultraviolet rays or ozone or both in order from the upstream side. A heating device 7 and an ejector 8 are provided.

In the filtering device 5, an inlet pipe 12 for hot water as treated water and an air vent pipe 13 are attached to an upper portion of a case 10 in which an upper half body 10a and a lower half body 10b are joined by a screw 11, and an outlet flows to a lower portion of the case 10. A pipe 14 is attached, a partition plate 15 for removing large dusts is further provided in the case 10, and a support layer 16 is provided in the lower part of the case 10, and a filter material 17 such as granular glass beads is provided on the support layer 16. Is being filled.

The support layer 16 includes a first fine mesh member 18 for preventing leakage of the filter medium 17 and a second coarse mesh member 18 disposed below the first mesh member 18 for supporting the weight of the filter medium 17. And a plate member 20 having a water passage hole 20a is provided below the second wire mesh member 19.

As shown in FIG. 4, the peripheral edge of the support layer 16 is sealed with a resin 21 in a ring shape, and the resin 21 is placed on the step 22 of the lower half 10b of the case. It is fixed to the case with screws 23.

5 to 7 are sectional views similar to FIG. 4 showing another embodiment of the mounting portion of the supporting layer 16, and the mounting portion shown in FIG. 5 is the upper surface of the supporting layer 16 and the lower surface of the plate member 20. With the packings 24 and 25 interposed therebetween, the pressing ring 26 is placed on the packing 24 on the upper side, and these are fastened with the screws 23 to fix them. In particular, the upper packing 24 should be made of a soft material such as silicon rubber, and its outer dimensions should be larger than the inner diameter of the case so that the outer circumference of the packing 24 is the case when tightened as shown in the figure. It deforms following the inner peripheral surface, improving the sealing performance.

In addition, the mounting portion shown in FIG. 6 is formed by a step ring formed on the outer periphery of the sealing ring 28 and the pressing ring 27 by stacking the pressing ring 27 and the sealing ring 28 on the support layer 16. A seal ring 29 that presses against the inner peripheral surface of the case is held in the groove.

Further, the mounting portion shown in FIG. 7 presses the peripheral end portion of the second wire mesh member 19 of the support layer 16 between the sealing ring 28 and the plate-shaped member 20 and presses the sealing ring 28. By pressing the peripheral end portion of the first wire netting member 18 with the ring 27 via the packings 24, 24, it is not necessary to make screw holes in the wire netting members 18, 19.

In the embodiment, the treated water is the hot water from the bathtub, but the embodiment is not limited to this, and the plate member 20 may be omitted. However, in the case where the plate-shaped member 20 is provided, if the first wire mesh member 18 is directly placed on the plate-shaped member 20, the treated water will not pass through the parts other than the water passage holes 20a. 19 is required. A mesh member made of synthetic resin or the like may be used instead of the first and second wire mesh members 18, 19.

[0016]

[Effect of the device]

 As described above, the filtering device according to the present invention has the first fine mesh member for preventing the leakage of the filter medium and the fine mesh member arranged under the first mesh member for supporting the weight of the filter medium. A support layer consisting of a coarse second wire mesh member was provided in the case, and the filter material was filled on this support layer, so that clogging was less likely to occur and the support layer was not deformed or cracked. You can easily remove dirt.

[Brief description of drawings]

FIG. 1 is an overall view of a system to which a filtration device according to the present invention is applied.

FIG. 2 is a vertical sectional view of a filtration device according to the present invention.

FIG. 3 is an enlarged sectional view of a support layer.

FIG. 4 is an enlarged sectional view of a mounting portion of a support layer.

FIG. 5 is a sectional view similar to FIG. 4 showing another embodiment.

FIG. 6 is a sectional view similar to FIG. 4, showing another embodiment.

FIG. 7 is a sectional view similar to FIG. 4, showing another embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Bathtub, 5 ... Filtration device, 16 ... Support layer, 17 ... Filter material,
18, 19 ... Wire mesh member, 20 ... Plate-shaped member, 20a ... Water passage hole.

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Junko Fukuda Inventor Junko Fukuda 2-1, 1-1 Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka (72) Inventor Shintaro Hatate Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka 2-1, 1-1 Totoki Co., Ltd. (72) Inventor Naoto Tokumaru 2-1-1, Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka Prefecture (72) Inventor, Hiroka Miyahara Fukuoka Prefecture 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu City, Totoki Co., Ltd. (72) Takao Teraoka 2-1-1, Nakajima, Kokurakita-ku, Kitakyushu, Kitakyushu, Fukuoka

Claims (2)

[Scope of utility model registration request] 1. A filtration device comprising a support layer provided in a case and a filter medium filled on the support layer, wherein the support layer has a fine first mesh member for preventing leakage of the filter medium and a weight of the filter medium. A filter device comprising a coarse second mesh member disposed below the first mesh member for supporting. 2. The filtration device according to claim 1, wherein a plate-shaped member having a water passage hole is provided below the second net member.