JP3186243U - Water purifier - Google Patents

Abstract

Provided is a water purifier capable of easily and quickly exchanging a filter medium and capable of adjusting a residual chlorine concentration in treated water from zero to a concentration of raw tap water according to the use of the treated water.
SOLUTION: A cylindrical container 1 provided with an inflow pipe 3 and a discharge pipe 4 connected to pipes for water supply and water use equipment, a detachable bottom lid 2 for closing the cylindrical container 1 in a sealed state, and a cylinder In a water purifier comprising a filtration cartridge 10 detachably stored in a cylindrical container 1 and a filtration layer 8 formed in the filtration cartridge 10, the filtration layer 8 is made of activated carbon 8a, terahertz ceramic 8b, magma ceramic 8c. The silicate / aluminum ceramic 8d and the silicate / iron oxide ceramic 8e are laminated.
[Selection] Figure 1

Description

  The present invention relates to a water purifier for purifying tap water, and more particularly to a water purifier used for business purposes.

  At present, water purifiers for removing chlorine odor contained in tap water, impurities floating in raw water, and the like are widely used, and various types of water purifiers are used from household use to business use. And most of the structures are configured such that a filter medium such as activated carbon is accommodated in a container body of a water purifier, and a filter layer is provided by a partition plate or the like that prevents the filter medium from flowing out.

  As this type of water purification device, for example, a galvanic battery is configured by installing a pair of electrodes made of different metals in a water channel leading to a water outlet, and the residual chlorine concentration after water purification is determined by the electromotive force generated between both electrodes. Chlorine concentration sensor equipped with a chlorine concentration detection sensor, and a control device for comparing the detected value from the sensor with a set reference chlorine concentration and controlling it so as to reach a preset concentration by arithmetic processing A water purifier with a control device (see Patent Document 1). A means for switching between the raw water path and the purified water path is provided, and the purified water path is provided with a water purification section composed of a treatment agent such as activated carbon and a filter, or a mineral elution section having a mineral impregnated material, and a residual chlorine. A water purifier comprising a means for determining whether the concentration is equal to or higher than a predetermined value or a mineral content concentration being equal to or lower than a predetermined value, or both, and an alarm means for notifying the timing of replacement of a water treatment member based on the determination result (patent Reference 2). In an ozone advanced water purification system for injecting ozone into raw water such as tap water to purify, an ozone injector that injects ozone into raw water under high pressure conditions to oxidize and decompose organic substances and chlorine, and the ozone injector The primary treated water into which ozone has been injected is passed through an activated carbon tank to adsorb organic matter, chlorine and the like, and the activated carbon that decomposes ozone and the secondary treated water from the activated tank are passed through a natural stone sand layer and filtered. In addition, various ozone advanced water purifiers (see Patent Document 3) including a natural stone sand tank have been proposed.

  In the water purifier having a backwashing function in which the filter material is housed inside the cylindrical main body and the water is circulated in the opposite direction to that during filtration, the present applicant also has a flow switching mechanism for backwashing. The water purification apparatus provided integrally with the said cylindrical main body is proposed. This water purifier includes a raw water inlet through which raw water flows into a bottom lid of a cylindrical main body, a raw water supply port that supplies raw water to a filtration unit through a cylindrical valve chamber, and purified water that flows out purified water from the filtration unit An outlet, a purified water drain for discharging purified water through the cylindrical valve chamber, a columnar valve body rotatably provided in the valve chamber, and the valve body in the valve chamber The valve body is configured to selectively switch the water flowing in from the raw water intake port to the raw water supply port or the purified water intake port, and to purify the raw water. A backwashing mechanism of a water purifier that performs backwashing is provided (see Patent Document 4).

Japanese Utility Model Publication 4-22875 Japanese Patent Publication No. 5-33120 JP 2002-28673 A JP 2001-149924 A JP 2008-246376 A

  In the water purification apparatus of the filtration method as described above, the filtration capacity is reduced with the passage of time, although the desired filtration ability is initially exhibited. For this reason, replacement of the filter medium was essential. In addition, there is a regional difference (0.1 ppm or more) in the residual chlorine concentration of tap water, and harmful bacteria may be generated if left for a long time with the chlorine concentration set to 0 (zero) especially in summer. There was a problem that there was.

  Therefore, for example, as disclosed in Patent Document 5, a pretreatment cartridge having an activated carbon treatment section that filters water with silver-impregnated activated carbon, and water treated with the pretreatment cartridge is subjected to reverse osmosis membrane or nanofiltration. There has been proposed a water purifier including a membrane filtration cartridge that performs membrane filtration with a layer, and a sterilization unit that can generate chlorine from an electrode to which a voltage is applied and control the chlorine concentration of water.

  In addition, in the case of a large-scale apparatus for business use, many filter media and partition plates are directly stored in the water purifier main body, so the replacement must be done manually and requires a lot of labor. Shortening the working time was desired because the water was cut off during the replacement and the maintenance work accompanying it.

  In view of the various problems as described above, the present invention can easily and quickly change the filter medium, can work without stopping the water flow during the maintenance of the water purifier main body, and depending on the use of the treated water It is an object of the present invention to provide a water purifier capable of adjusting the residual chlorine concentration in treated water from 0 (zero) to the chlorine concentration of tap water raw water.

  For this reason, in the present invention, a cylindrical container provided with an inflow pipe and a discharge pipe connected to pipes for water supply and water use equipment, a detachable lid for closing the container in a sealed state, and a container installed in the container. A water purifier comprising a filtration cartridge stored in a removable manner and a filtration layer formed in the filtration cartridge, wherein the filtration layer is activated carbon, terahertz ceramic, magma ceramic, silicate / aluminum ceramic, and silicate / iron oxide. The first characteristic is that the ceramics are laminated. Moreover, it has the adjustment | control part which mixes raw | natural water (tap water) in the treated water dechlorinated by the filtration layer, It is the 2nd characteristic. Furthermore, a third feature is that a reverse cleaning water passage, a treatment water passage, and a bypass water passage (tap water passage) that can be switched by a valve operation are provided.

The present invention configured as described above has the following excellent effects.
(1) Since the filter medium is a cartridge type that can be attached to and detached from the cylindrical container, the replacement work of the filter medium can be performed easily and quickly.
(2) Since it has a control unit that mixes raw water (tap water) into the treated water dechlorinated by the cartridge filled with the filter medium, the residual chlorine concentration in the treated water is changed from 0 (zero) according to the use of the treated water. It can be adjusted to the concentration of raw tap water.
(3) Reverse cleaning water flow, treatment water flow, and bypass water flow (tap water flow) can be performed by operating a valve in the main pipe.
(4) By regularly performing reverse cleaning, clogging of the cartridge can be prevented, and a reduction in water flow rate can be prevented.
(5) It is possible to work without stopping water flow during maintenance of the water purifier main body.
(6) Tap water is treated by a synergistic effect by combining a terahertz ceramic having a far-infrared action with three kinds of ceramics of silicic acid / iron oxide, silicic acid / aluminum, and magma.
(7) The dissolved oxygen in the treated water increases, and there is a sterilizing effect and an effect of treating impurities in the water.

It is a front view which shows one Example of the water purifier which concerns on this invention. 1A is a plan view, and FIG. 1B is a bottom view. It is an external appearance front view which shows the filtration cartridge of the water purifier which concerns on this invention. It is a front view which shows the internal structure of the filtration cartridge of the water purifier which concerns on this invention. (A) which shows the leg part of a filtration cartridge is an external appearance front view, (b) is the bottom view. (A) which shows the leg part of a filtration cartridge is front sectional drawing, (b) is the top view. FIG. 7 is a right side view of FIG. It is a perspective view which shows typically the laminated structure of the filtration material in a filtration cartridge. It is a perspective view of the water purifier which shows the water flow state of treated water. It is a perspective view of the water purifier which shows the water flow state of reverse washing. It is a perspective view of the water purifier which shows a bypass water flow state.

 Embodiments of the present invention will be described below based on examples shown in the drawings. In addition, the water purifier concerning this invention is not limited to a following example, About each component, it can change suitably with a use condition or a use purpose.

  As shown in FIG. 1 thru | or FIG. 4, the water purifier which concerns on this invention fixes the cylindrical container 1 and the bottom cover (lid body) 2 with the clamp (not shown) so that attachment or detachment is possible. Raw water injection holes 3 and 4 penetrating into the tank are formed at the lower end of the bottom cover 2. Further, as shown in FIG. 9, an inflow pipe 21 through which tap water flows and an exhaust pipe 22 through which purified water is discharged are provided in communication with an external pipe (not shown).

  Inside the cylindrical container 1, a cartridge insertion rod (not shown) is erected on the bottom, and a filter material pressing lid 19 having a support shaft 5 projecting at a substantially central portion on the upper surface is connected to an air vent screw 15 with an O-ring. 17 is attached. The leg 7 of the filtration cartridge 10 fixedly supported inside the cylindrical container 1 by the cartridge insertion rod and the air vent screw 15 has a pair of leg portions 7a and 7b, and has a cylindrical bowl shape with an upper end opened. In addition, a through hole 7c for allowing water to pass through is formed in the bottom surface.

The structure of the filtration layer 8 will be described in detail. As shown in FIG. 8, the in-cartridge filter medium generally comprises a filter medium layer as described below, and is configured on the filter medium receiving plate 18 via the filters 20.
First filter medium layer: activated carbon 8a (function: dechlorination, sterilization, water filtration, impurity adsorption)
Second filter medium layer: terahertz ceramic 8b (function: far-infrared action, water purification)
Third filter medium layer: Magma ceramic 8c (function: addition of trace minerals, weak alkalinization of water)
Fourth filter media layer: Silicic acid / aluminum ceramic 8d (function: sterilization / decomposition of dissolved organic matter)
Fifth filter medium layer: Silicic acid / iron oxide ceramic 8e (function: sterilization, increase in dissolved oxygen, decomposition of dissolved organic matter)

With the above configuration, the inside of the filtration layer 8 is divided into five filtration layers. Here, the magma ceramic 8b of the third filter medium is composed of clay with a high alumina content, rocks with a high calcium carbonate content and silicon dioxide as main components, and each powder of volcanic ash containing a small amount of iron oxide, potassium oxide and titanium. Are kneaded using approximately equal amounts and fired at a high temperature around 1000 ° C. The fourth filter media is a synthetic fired product medium mainly composed of aluminum _silicate, kneaded clay mainly composed of Al ₂ O 3 · SiO _2, is obtained by firing molded at 800 ° C. to 1000 ° C. or higher . The fifth filter medium is a synthetic calcined medium containing ferric oxide as a main component, and a white clay containing Fl ₂ O ₃ as a main component and Al ₂ O ₃ .SiO ₂ as a main component is used at a weight ratio of 1: 1. Kneaded and fired and molded at 1000 ° C. or higher. Since the aluminum silicate medium uses clay minerals such as kaolinite as a raw material, it is excellent in organic substance adsorption ability, particularly protein adsorption ability, and can absorb organic substances in raw water as well as ions.

  In addition, as shown in FIG. 1, the water purifier of the present application has a tap water mixing adjustment screw 16 that is an adjustment unit that mixes raw water (tap water) into the treated water dechlorinated by the filtration layer 8, Residual chlorine concentration in treated water can be adjusted from 0 (zero) to the chlorine concentration of raw tap water according to the application. Further, as shown in FIGS. 9 to 11, by operating the valves (three-way mouth cock 11, two-way mouth cock 12 and backwashing water discharge cock 13), as shown by the arrows in the figure, the backwashing water passage, the treatment passage The water channel and the bypass water channel (tap water channel) 9 can be switched, and reverse cleaning water, treatment water, and bypass water (tap water water) can be performed. In addition, by performing regular backwashing, the clogging of the cartridge can be prevented and the reduction of the water flow rate can be prevented. Moreover, as shown in FIG. 11, if bypass water flow is performed, it can operate | work without stopping water flow at the time of the maintenance of a water purifier main body. In addition, 14 in the figure is a drain cock used when water is completely discharged from the water purifier.

1 Cylindrical container 2 Bottom lid (lid)
3 Raw water inlet (inflow pipe)
4 treated water outlet (discharge pipe)
5 Support shaft 6 Water inlet 7 Filtration cartridge receiving part (leg)
7a Leg 7b Leg 7c Through-hole 8 Filter medium layer 8a Activated carbon layer (first filter medium)
8b Terahertz ceramic layer (second filter medium)
8c Magma ceramic layer (third filter medium)
8d Silicic acid / aluminum ceramic layer (4th filter medium)
8e Silicic acid / iron oxide ceramic layer (5th filter medium)
9 Bypass pipe (tap water channel)
10 Filtration cartridge 11 Three-way faucet (for treatment water flow, backwash water flow, bypass water flow switching)
12 Two-way cock (for bypass water flow switching)
13 Reverse cleaning water drain cock 14 Drain cock 15 Air vent screw 16 Tap water mixing adjustment screw 17 O-ring 18 Filter material receiving plate 19 Filter material pressing lid 20 Filter 21 Tap water inflow pipe 22 Discharge pipe

Claims (3)

A cylindrical container provided with an inflow pipe and a discharge pipe connected to pipes for waterworks and water use equipment, a detachable lid for closing the container in a sealed state, and detachably housed in the container In a water purification apparatus comprising a filtration cartridge and a filtration layer formed in the filtration cartridge, the filtration layer is formed by laminating activated carbon, terahertz ceramic, magma ceramic, silicate / aluminum ceramic, and silicate / iron oxide ceramic. A water purifier characterized by that. The water purifier according to claim 1, further comprising a control unit that mixes raw water (tap water) into the treated water dechlorinated by the filtration layer. The water purifier according to claim 1 or 2, further comprising a reverse cleaning water passage, a treatment water passage, and a bypass water passage (tap water passage) that can be switched by a valve operation.

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