JP2701111B2 - Water purification equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water purification apparatus for purifying tap water, and more particularly to a household water purification apparatus.

[0002]

2. Description of the Related Art In recent years, the amount of chlorine used for removing, disinfecting, and sterilizing organic substances and ammonia nitrogen has increased due to the deterioration of water quality of tap water sources such as rivers and lakes. The smell of chlorine is increasing. Algae are also generated due to eutrophication of water quality, and the mold odor due to the algae is also getting worse. Such a smell of mold and musty in tap water is prominent in and around cities. Against the background of the above situation, a water purification apparatus for removing unpleasant and harmful off-flavors and foreign substances of tap water has been widely used in ordinary households.

[0003] The above-mentioned water purification apparatus often uses activated carbon and a hollow fiber membrane filter, and after removing odorous substances and organic substances in tap water by adsorbing and removing them from plant activated carbon or coal activated carbon used as activated carbon. It is designed to be filtered by a hollow fiber membrane filter having pores of about μm.

[0004]

In the above-mentioned conventional water purification apparatus, the filtration section containing the activated carbon or the like is fixed in the same state from the time of initial setting or the time of replacement of the filtration section until the time of next filtration section replacement. It is stored. In addition, the granular activated carbon is densely packed so as to maintain the filtering ability for a long time in a limited volume. In such a water purification device, the purified tap water easily passes through the short-circuit path of the filtration unit having a low flowing water resistance in a process from the tap water inlet to the hollow fiber membrane filter outlet.

In a hollow fiber membrane filter, when one direction of the filter is used intensively, the passage resistance of the filter used for the filter is increased, and as a result, the other part is used. Therefore, the short-circuit path moves, and there is no problem. On the other hand, activated carbon adsorbs and removes odorous substances and the like by its fine pores, so that the adsorption tends to reach saturation around the short-circuit path where running water easily flows, and when the adsorption is saturated, odorous substances and the like are adsorbed. It is flooded without being done. In the case of activated carbon, the short-circuit path does not move differently from the case of the filtration filter, and therefore, a part far from the tap water inlet, which is deviated from the short-circuit path, for example, the opposite side has sufficient adsorption capacity. There is a problem that the used activated carbon is not used and the capacity of the activated carbon is not sufficiently used.

The present invention eliminates the above-mentioned drawbacks of the conventional water treatment apparatus, and makes it possible to sufficiently exhibit the activated carbon adsorption capacity in the water treatment apparatus, so that even if the same amount of activated carbon is used, the life is longer. It aims to provide a water purification treatment device.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, a water purification apparatus according to the present invention is a rotatable water purification apparatus for purifying water supplied from a water supply and supplying high quality drinking water. Provided with a filter material storage portion for storing a filter material such as activated carbon, the filter material storage portion is rotated by the flow of tap water supplied at the time of water purification,
The supplied tap water is purified by a filter medium stored in the rotating filter medium storage unit. In addition, the activated carbon storage container of the filter material storage unit is filled with a small amount of granular activated carbon with respect to the capacity of the storage container. You may make it move slightly within.

[0008]

In the water treatment apparatus configured as described above, the filter medium storage section rotates slowly due to the flow of the flowing tap water. Since the tap water is purified by the activated carbon or the like in the rotating filter material storage unit, a fixed short-circuit path through which water easily passes through the activated carbon or the like does not occur. Therefore, the activated carbon does not cause partial adsorption saturation. In addition, by not filling the storage container with granular activated carbon densely,
The activated carbon is slightly moved by the rotation and the water flow of the filter material storage part, whereby the contact surface between the activated carbon and the inflow water is changed, so that the activated carbon adsorption ability can be sufficiently drawn out.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 schematically shows a water purification treatment apparatus. The main body case 1 of the water purification apparatus is provided with a water inlet 2 and a water conduit 4 leading to a water outlet 3 of the purified water. The inflow port 2 is connected to a water tap (not shown) via a switching cock (not shown) for using raw water (tap water).

In the main body case 1, a substantially cylindrical activated carbon accommodating portion 5 having a partial mesh structure is temporarily provided so as to be rotatable about a rotating shaft 6 as a support shaft. The activated carbon storage 5 is filled with 80 to 90% of granular activated carbon 7 such as vegetable or coal. Also, this activated carbon storage unit 5
Rotating blades 8 are radially arranged on the outer periphery of.

Reference numeral 9 denotes an upper cover, and a central portion of the upper cover is provided with a water passage 10 extending to the water conduit 4 and the activated carbon storage 5.
A hollow fiber membrane filter 12 housed in a substantially cylindrical partial mesh body 11 is provided. The upper cover 9
Rollers 13 are arranged radially on the inner surface to facilitate rotation of the axis of the activated carbon storage 5.

At the time of water purification, the tap water flowing from the inflow port 2 flows into the filtration chamber 16 from the discharge port 15 through the flowing water channel 14. At this time, since the filtration chamber 16 has a substantially cylindrical shape and the discharge port 15 has a direction of creating a water flow in the circumferential direction as shown in FIG. , A rotational force is applied to the activated carbon storage unit 5.

Therefore, at the time of water purification, the activated carbon accommodating section 5 purifies the tap water while gently rotating due to the water flow, is filtered by the hollow fiber membrane filter 12 at the central portion, and is then discharged from the water outlet 3. Due to the rotational movement of the activated carbon storage unit 5, a fixed short-circuit path as in the related art does not occur in the activated carbon storage unit 5. Further, the contact surface between the activated carbon 7 and the tap water changes because the activated carbon 7 inside the activated carbon storage unit 5 slightly moves due to the rotation of the activated carbon storage unit 5 and the change of the water flow. In the above embodiment, activated carbon 7
Is stored in the activated carbon storage unit 5, the hollow fiber membrane filter 12 is stored in the substantially cylindrical mesh body 11, and only the activated carbon storage unit 5 is rotated. However, the activated carbon 7 and the hollow fiber membrane filter 12 are the same. The case may be stored in a case and the case may be rotated.

[0014]

Since the present invention is constructed as described above, partial adsorption saturation occurs even though the adsorption capacity of the whole activated carbon is still effective, as in the conventional water purification treatment apparatus. There is no short circuit path that reduces water purification performance. Therefore, the adsorption capacity of the activated carbon can be sufficiently obtained, and the life of the activated carbon can be extended.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing an outline of a water purification apparatus showing an embodiment of the present invention.

FIG. 2 is a reduced cross-sectional low-level view schematically showing a water purification apparatus according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body case 2 Inflow port 3 Outlet port 4 Water guide pipe 5 Activated carbon storage part 6 Rotating shaft 7 Activated carbon 8 Rotating wing 9 Upper cover 10 Water path 11 Substantially cylindrical partial mesh body 12 Hollow fiber membrane filter 13 Roller 14 Inflow path 15 Outlet port 16 Filtration room

Claims (2)

(57) [Claims] 1. A water purification apparatus for purifying water supplied from a water supply and supplying high-quality drinking water, comprising a rotatable filter material storage section for storing a filter material such as activated carbon. The filter medium storage section is configured to be rotated by the flow of tap water supplied at the time of water purification, and the supplied tap water is purified by the filter medium stored in the rotating filter medium storage section. A water purification apparatus characterized by the following. 2. A method according to claim 1, wherein the activated carbon storage container is filled with a small amount of granular activated carbon with respect to the capacity of the activated carbon storage container. 2. The water purification treatment device according to claim 1, wherein the water purification device is slightly moved in the storage container.