WO2010055848A1 - 浄水カートリッジおよび浄水器 - Google Patents

浄水カートリッジおよび浄水器 Download PDF

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Publication number
WO2010055848A1
WO2010055848A1 PCT/JP2009/069189 JP2009069189W WO2010055848A1 WO 2010055848 A1 WO2010055848 A1 WO 2010055848A1 JP 2009069189 W JP2009069189 W JP 2009069189W WO 2010055848 A1 WO2010055848 A1 WO 2010055848A1
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WO
WIPO (PCT)
Prior art keywords
water
air
additive
purification cartridge
area
Prior art date
Application number
PCT/JP2009/069189
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
利明 平井
誠 小玉
Original Assignee
パナソニック電工株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パナソニック電工株式会社 filed Critical パナソニック電工株式会社
Priority to KR1020117010952A priority Critical patent/KR101271976B1/ko
Priority to CN2009801405002A priority patent/CN102177098B/zh
Publication of WO2010055848A1 publication Critical patent/WO2010055848A1/ja
Priority to HK11112971.5A priority patent/HK1158612A1/xx

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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/03—Pressure
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2307/00—Location of water treatment or water treatment device
    • C02F2307/04—Location of water treatment or water treatment device as part of a pitcher or jug

Definitions

  • the present invention relates to a water purification cartridge and a water purifier using the water purification cartridge.
  • Patent Document 1 a water purifier, there are provided a plurality of water passages that contain fresh water agents having different mineral contents, and each water passage is provided with a water flow control valve, and by controlling the opening and closing of each water flow control valve,
  • Patent Document 1 One in which the mineral concentration is variably set is known.
  • an object of the present invention is to provide a water purification cartridge capable of more easily setting an additive concentration for adding minerals to water, and a water purifier using the water purification cartridge.
  • the water purification cartridge has a purification chamber for purifying the introduced water and an additive storage chamber for storing an additive to be added to the introduced water inside, A case provided with a first water inlet for introducing water into the additive storage chamber;
  • the additive storage chamber forms an air pool area in which air accumulates in an upper portion of the room and an inundation area in which water introduced below the air pool area accumulates.
  • the additive is immersed in the introduced water in the submerged area.
  • the additive is accommodated in the additive accommodating chamber from a portion serving as the water immersion region to a portion serving as the air pool region.
  • the flooded height setting mechanism sets the height of the flooded area by setting the pressure of the air accumulated in the air pool area.
  • the additive concentration can be set more easily than the conventional water purification cartridge that sets the additive concentration by adjusting the opening and closing of a plurality of control valves. become able to.
  • the water purification cartridge according to the first technical feature of the present invention may have a fluid restrictor provided in an air vent passage through which air accumulated in the air pool area is released as the water immersion height setting mechanism.
  • the submerged height setting mechanism can be obtained as a simpler configuration.
  • the water purification cartridge according to the first technical feature of the present invention may be provided with a valve in an air vent passage for allowing air to escape from the air pool area as the water immersion height setting mechanism.
  • Such a configuration makes it easier to increase the flow resistance by providing a valve, so that the pressure of the air accumulated in the air pool region is increased and the height of the flooded region is easily decreased, thereby further increasing the additive concentration. It becomes easy to set low.
  • the water purification cartridge according to the first technical feature of the present invention may include an air pump that supplies air to the air pool region as the water immersion height setting mechanism.
  • the pressure of the air accumulated in the air accumulation area is further increased by the amount of the air pump provided, and the height of the flooded area can be easily lowered, and the additive concentration is further set lower. be able to. Further, by controlling the air pump, the height of the flooded area can be variably set more easily.
  • the water purification cartridge according to the first technical feature of the present invention may further include a second water inlet through which the case bypasses the additive storage chamber and introduces water into the purification chamber.
  • the water that is introduced from the first water inlet and flows through the additive storage chamber and the water that is introduced from the second water inlet and bypasses the additive storage chamber are diverted. It becomes easy to adjust the flow rate of water, and it becomes easy to improve the adjustment accuracy of the additive concentration.
  • the first water inlet may be disposed above the second water inlet.
  • a water purifier according to a second technical feature of the present invention is a water purifier for obtaining purified water by introducing water, the water purifying cartridge according to the first technical feature of the present invention, and the water purifier A main body on which the cartridge is detachably mounted.
  • a water purifier is a water purifier for obtaining purified water by introducing water, a water purification cartridge, a main body to which the water purification cartridge is detachably mounted, Is provided.
  • the water purification cartridge includes therein a purification chamber for purifying the introduced water and an additive storage chamber for storing an additive to be added to the introduced water, and in the additive storage chamber.
  • a case having a first water inlet for introducing water is provided.
  • the additive storage chamber forms an air pool area in which air accumulates in an upper portion of the room and an inundation area in which water introduced below the air pool area accumulates. The additive is immersed in the introduced water in the submerged area.
  • the additive is accommodated in the additive accommodating chamber from a portion serving as the water immersion region to a portion serving as the air pool region.
  • a submerged height setting mechanism including an air pump that supplies air to the air reservoir region is provided in the main body.
  • the flooded height setting mechanism sets the height of the flooded area by setting the pressure of air accumulated in the air pool area.
  • 1 to 3 show a first embodiment of the present invention.
  • This water purifier 1 is configured as a pot-type water purifier.
  • a bottomed cylindrical partition wall body 3 is accommodated in the cylinder of the bottomed cylindrical pot case 2.
  • the inside of the cylinder of the pot case 2 is partitioned by the partition wall 3 into a raw water chamber 4 that forms approximately half of the upper side and a water purification chamber 5 that forms approximately half of the lower side.
  • the bottom wall 3a of the partition wall 3 is formed with a cylindrical recess 3b that is recessed downward.
  • a cylindrical water purification cartridge 6 is inserted into the recess 3b from the top to the back and is fitted.
  • An opening 3d is formed in the back wall 3c of the recess 3b.
  • the upper part 6 a of the water purification cartridge 6 is exposed in the raw water chamber 4.
  • the first water inlet 7 a and the second water inlet 7 b formed in the case 7 face the raw water chamber 4 at the upper part 6 a of the water purification cartridge 6.
  • the second water inlet 7b is installed in the vicinity of the bottom wall 3a.
  • the lower end part 6b of the water purification cartridge 6 is exposed in the water purification chamber 5 from the opening 3d.
  • a drain port 7 c formed in the case 7 faces the water purification chamber 5 at the lower end portion 6 b of the water purification cartridge 6.
  • the raw water introduced into the raw water chamber 4 is introduced into the water purification cartridge 6 from the first water inlet 7a and the second water inlet 7b, and is at least purified, and then discharged as purified water from the water outlet 7c into the water purification chamber 5. Is done.
  • the top wall 8 in which the water supply port 8a is formed is disposed above the raw water chamber 4.
  • the water supply port 8a is closed so as to be openable and closable by a top-opening type lid 9 that is rotatably attached to the top wall 8.
  • the raw water is supplied into the raw water chamber 4 through the water supply port 8a with the lid 9 opened upward.
  • a passage 10 extending upward from the water purification chamber 5 is formed between the side wall 3e of the partition wall 3 and the pot case 2.
  • a water inlet 10 a is formed at a position that becomes the upper end portion of the passage 10.
  • the pot case 2 is tilted so that the water injection port 10a is downward (in FIG. 1, the pot case 2 is tilted clockwise), and the purified water stored in the water purification chamber 5 is collected.
  • the water is discharged from the water inlet 10a through the passage 10.
  • the water injection port 10a is closed so as to be openable and closable by a top-opening type lid 11 that is rotatably supported by the pot case 2 or the top wall 8. In this case, when the pot case 2 is tilted, the lid 11 can be rotated by its own weight, dynamic pressure of water, or the like to open the water inlet 10a.
  • the water purification cartridge 6 is formed in a cylindrical shape, and the cylindrical central axis Ax (see FIGS. 1 and 2) is used in a posture along the vertical direction.
  • the case 7 includes an upper case 12 that forms an upper part in use and a lower case 13 that forms a lower part.
  • the lower edge of the upper case 12 and the upper edge of the lower case 13 are coupled to each other to form a cylindrical outer shape.
  • the vertical direction, the axial direction, the circumferential direction, and the radial direction are defined based on the cylindrical shape of the water purification cartridge 6 in the use state.
  • the inside of the case 7 is roughly divided into three spaces in the vertical direction (axial direction) by a partition wall 14 and a sheet 15 disposed below the partition wall 14 with a space therebetween.
  • the uppermost portion is an additive storage chamber S1 for storing the additive 16
  • the lowermost portion is a purification chamber S2 for purifying water
  • the intermediate portion is an intermediate chamber S3.
  • the additive storage chamber S ⁇ b> 1 is formed by being surrounded by the upper case 12 and the partition wall 14.
  • the upper case 12 includes a peripheral wall 12a that forms the upper part of the peripheral wall of the case 7, a top wall 12b that forms the top wall of the case 7, and an inner portion that extends downward from the center of the top wall 12b substantially along the central axis Ax of the water purification cartridge 6. Tube 12c.
  • a partition wall 14 is attached to the upper case 12 so as to close the lower part in the cylinder. That is, in Example 1, the additive storage chamber S ⁇ b> 1 is formed in the upper case 12 as a space having an annular cross section surrounded by the peripheral wall 12 a, the top wall 12 b, the inner cylinder 12 c, and the partition wall 14. In this additive storage chamber S1, an additive 16 such as granular calcium having a diameter of about several millimeters is stored.
  • a substantially rectangular first water inlet 7a is formed in the peripheral wall 12a in a side view.
  • the first water inlet 7a is stretched with a water-permeable mesh 17 by insert molding or the like, and suppresses the additive 16 from spilling out of the first water inlet 7a.
  • the inner cylinder 12c is formed with a slit-shaped notch 12d extending upward from the lower end thereof.
  • the width of the notch 12d is set smaller than the particle size of the additive 16. Thereby, it is suppressed that the additive 16 spills out from the notch 12d.
  • the axial position of the upper edge 12e of the notch 12d and the axial position of the upper edge 12f of the first water inlet 7a are substantially the same.
  • a protruding portion 14b that protrudes in a conical shape upward is formed at the center of the bottom wall portion 14a of the partition wall 14.
  • a cylindrical portion 14c that protrudes upward and is inserted through the inner cylinder 12c is formed at the center of the protruding portion 14b.
  • a plurality of slits 14d extending radially from the central axis Ax of the water purification cartridge 6 are formed as drain ports from the additive storage chamber S1.
  • the width of the slit 14d is also set smaller than the particle diameter of the additive 16, thereby suppressing the additive 16 from spilling out of the slit 14d.
  • the additive 16 is eluted from the raw water chamber 4 into the raw water introduced into the additive storage chamber S1 via the first water inlet 7a or the second water inlet 7b. Then, the water to which the additive is added flows out from the additive storage chamber S1 to the intermediate chamber S3 through the slit 14d of the partition wall 14.
  • Example 1 an air reservoir region Aa for confining air is formed in the upper part of the additive containing chamber S1.
  • the additive 16 existing in the air reservoir region Aa that is, in the upper part of the additive storage chamber S1 is not submerged. That is, the concave portion 18 formed of the peripheral wall 12a, the top wall 12b, and the inner cylinder 12c is only opened downward, and there is no air passage upward.
  • air accumulates in the recess 18.
  • the additive 16 in the air accumulation area Aa from being wetted. That is, the additive 16 positioned below the upper limit L of the flooded area Aw is immersed in water, and the additive 16 positioned above the upper limit L is not immersed in water.
  • the additive 16 accommodated in the additive accommodating chamber S1 can be used sequentially from the one arranged on the lower side. For this reason, compared with the structure where the additive accommodated in the water purification cartridge is totally submerged or flooded, it is easier to take the usable period of the additive 16 and the initial use of the water purification cartridge 6 It becomes easy to suppress the difference in the concentration of additives in the later stage of use.
  • the water immersion height of the additive 16 can be set according to the height of the water immersion area Aw, and thereby the maximum value of the additive concentration can be set. That is, it is possible to suppress the additive 16 from dissolving in water more than necessary.
  • a plurality of second water inlets 7b are formed at substantially constant intervals in the circumferential direction. Therefore, raw water is introduced into the intermediate chamber S3 from the raw water chamber 4 via the second water inlet 7b, and water added with the additive is introduced from the additive storage chamber S1 via the slit 14d. Then, these waters are introduced into the purification chamber S2 (the adsorption processing chamber S21) disposed below the intermediate chamber S3. That is, in Example 1, the raw water introduced from the second water inlet 7b into the intermediate chamber S3 bypasses the additive storage chamber S1.
  • Example 1 the 2nd water inlet 7b is arrange
  • Example 1 the additive storage chamber S1 is disposed above the second water inlet 7b. For this reason, after the water level of the raw water chamber 4 becomes lower than the lower end of the additive storage chamber S1, water flows into the water purification cartridge 6 only from the second water inlet 7b. Therefore, the discharge of the additive 16 is promoted downstream of the intermediate chamber S3 (in the intermediate chamber S3, the purification chamber S2, etc.) by the water that does not pass through the additive storage chamber S1 and does not contain the additive 16, and the additive. It can suppress that 16 remains. Therefore, at the time of the next use, it is easy to obtain a desired additive concentration by suppressing the additive concentration from becoming higher than the set value by the remaining additive 16.
  • the purification chamber S2 disposed below the intermediate chamber S3 is partitioned in the radial direction by a cylindrical tube body 19 disposed at a position along the central axis Ax of the water purification cartridge 6.
  • the outer peripheral side of the cylinder 19 is an adsorption processing chamber S21 in which an adsorbent (for example, granular or powdered activated carbon) 20 is accommodated, and the inside of the cylinder 19 is filtered (for example, reverse U).
  • a filtration processing chamber S22 in which a hollow fiber membrane 21 or the like curved in a letter shape is accommodated.
  • the water introduced from the intermediate chamber S3 is discharged from the drain port 7c of the lower end 6b through the adsorption processing chamber S21 and the filtration processing chamber S22 in this order.
  • the cylindrical body 19 is fitted into a recessed portion 13 b that is recessed downward formed at the center of the bottom wall 13 a of the lower case 13 that forms the bottom wall of the case 7. Thereby, the cylinder 19 is erected in the vertical direction along the central axis Ax of the water purification cartridge 6.
  • the adsorption processing chamber S21 is surrounded by the peripheral wall 13c of the lower case 13 that forms the lower peripheral wall of the case 7, the cylindrical body 19, the bottom wall 13a, and the sheet 15, and is formed in a cylindrical shape having an annular cross section.
  • seat 15 can be comprised, for example with a nonwoven fabric.
  • the sheet 15 is formed in a ring shape and surrounds the cylindrical body 19, and the outer edge portion 15 a is fixed to the case 7 so as to be sandwiched between the upper case 12 and the lower case 13.
  • the inner edge portion 15b is a free end so that water is introduced from the intermediate chamber S3 into the adsorption processing chamber S21 through a gap between the inner edge portion 15b and the cylindrical body 19.
  • seat 15 may be comprised with a water-permeable raw material, and you may make it permeate
  • the cap 22 is attached to the upper end of the cylindrical body 19, and the inner edge portion 15 b of the sheet 15 is warped upward from the flange portion 22 a by the flange portion 22 a projecting outward from the cap 22. I am trying not to. With such a configuration, even when the water purification cartridge 6 is tilted or turned upside down in a state where it is removed from the water purifier 1, the sheet 15 is locked to the flange portion 22a and the gap is closed. For this reason, it can suppress that the adsorption agent 20 leaks out from adsorption process chamber S21 to the intermediate
  • a communication port 19 a is formed in the lower part of the cylindrical body 19.
  • the adsorption processing chamber S21 and the filtration processing chamber S22 are communicated with each other through the communication port 19a.
  • the water removed by adsorbing impurities to the adsorbent 20 in the adsorption treatment chamber S21 is introduced into the filtration treatment chamber S22 through the communication port 19a.
  • a number of thin straw-shaped hollow fiber membranes as the filtering material 21 are accommodated in a state of being bundled and curved in an inverted U shape.
  • the water that has passed through the membrane wall of the hollow fiber membrane from the inside of the filtration processing chamber S22 and permeated into the membrane flows out into the lower end of the filtration processing chamber S22 through the membrane, and flows out from the drain port 7c into the water purification chamber 5. .
  • impurities contained in the water are filtered.
  • the hollow fiber membrane as the filter medium 21 is fixed to the cylindrical body 19 while being filled with an adhesive (not shown) below the communication port 19a, and is hollowed out from the filtration processing chamber S22 by this adhesive. Direct outflow is prevented without passing through the thread membrane.
  • Example 1 an air vent passage is formed substantially along the central axis Ax of the water purification cartridge 6.
  • a circular through hole 12i is formed at the center of the top wall 12b of the upper case 12 so as to communicate the upper end side (back side) of the inner cylinder 12c with the outside.
  • a cap 28 is fitted so as to close it.
  • the cap 28 has a disk-shaped plate portion 28a and a projection portion 28c protruding upward from the peripheral edge portion of the plate portion 28a, and a through hole 28b is formed in the center portion of the plate portion 28a.
  • the through hole 28b functions as an air vent hole.
  • the cap 22 fitted to the upper end of the cylindrical body 19 has a conical portion 22b that becomes thinner as it goes upward, and a cylindrical portion 22c that extends upward from the top of the conical portion 22b.
  • the tip is extended to the inside of the inner cylinder 12c. Therefore, the air in the filtration chamber S22 is discharged from the through hole 28b through the conical portion 22b, the cylindrical portion 22c, and the inner cylinder 12c.
  • the air in the adsorption processing chamber S21 and the intermediate chamber S3 moves to the central axis Ax side of the water purification cartridge 6 while rising along the protruding portion 14b of the partition wall 14, enters the cylinder of the inner cylinder 12c through the notch 12d, It is discharged from the through hole 28b.
  • the air in the additive storage chamber S1 is discharged from the through hole 28b from the notch 12d through the inside of the inner cylinder 12c except for the one that accumulates in the recess 18 (air accumulation area Aa).
  • the water immersion height setting mechanism which sets the water immersion height D of the additive 16 in the water immersion area
  • region Aa is provided.
  • the cap 28 having the through hole 28b as the air vent hole is used as the water immersion height setting mechanism. That is, as described above, the through hole 28b is provided in the air vent passage (the end portion of the air vent passage in the first embodiment), and the air in the additive storage chamber S1 is also passed through the air vent passage through the water purification cartridge. 6 is configured to be discharged outside. For this reason, the larger the air flow resistance in the through hole 28b, the higher the pressure of the air in the air pool area Aa on the upstream side.
  • the through hole 28b corresponds to a fluid throttle.
  • the through hole 28b as a fluid throttle is configured as, for example, an orifice or a choke throttle.
  • FIG. 3A shows a state where the water purification cartridge 6 is provided with a cap 28 in which only one through hole 28b is formed and air flow resistance is relatively high.
  • FIG. 3B shows a state in which two caps 28 ⁇ / b> A having two through holes 28 b and relatively low air flow resistance are attached.
  • the cap 28 is formed with only one through hole 28b. For this reason, in the state of Fig.3 (a), the air flow resistance in an air vent path will be in a comparatively high state. Therefore, in this case, air is relatively difficult to escape, the internal pressure of the air pool area Aa is relatively high, the lower limit of the air pool area Aa, that is, the position of the upper limit L of the flooded area Aw is relatively lower, The immersion height D of the additive 16 is relatively low. Therefore, in this case, the additive concentration is relatively low.
  • the flow resistance of the air vent passage can be changed by the hole diameter of the through hole 28b of the cap 28. That is, increasing the hole diameter (using a cap with a large through-hole diameter) reduces the flow resistance, or decreasing the hole diameter (using a cap with a small through-hole diameter) increases the flow resistance. It is possible to
  • the upper limit L of the flooded area Aw can be maintained at the height at which the first water inlet 7a is formed. This is because when the mesh 17 having an appropriately sized gap (so-called mesh size) is stretched at the first water inlet 7a, the pressure of the air inside the mesh 17 and the pressure of the water outside the mesh 17 sandwich the mesh 17. In the state where water stays in the gap of the mesh 17 and water exists outside the mesh 17 and air exists inside the mesh 17, the mesh 17 becomes a boundary between air and water. Is used. Below the upper limit L, water exists inside and outside the mesh 17, and water can flow through the gaps in the mesh 17.
  • the air reservoir region Aa is formed in the upper part of the additive storage chamber S1, and added to the introduced water in the submerged region Aw below the air reservoir region Aa.
  • the agent 16 was immersed.
  • the additive 16 is stored from the portion that becomes the water immersion area Aw to the portion that becomes the air pool area Aa, and the additive 16 in the air pool area Aa is not immersed or flooded. Can be maintained.
  • the additive 16 in the water immersion area Aw is immersed in water and eluted, the additive 16 positioned above the water descends downward due to gravity and is automatically supplied to the water immersion area Aw. Therefore, the additive 16 accommodated in the additive accommodating chamber S1 can be used sequentially from the one arranged on the lower side.
  • the air vent passage is provided as a submerged height setting mechanism that sets the submerged height D of the additive 16 in the submerged area Aw by setting the pressure of the air accumulated in the air reservoir area Aa.
  • Caps 28 and 28A each having a through hole 28b as a fluid restrictor are provided. Therefore, the internal pressure of the air accumulation area Aa is set by appropriately setting the specifications (size, length, etc.) of the through hole 28d, and thereby the water immersion height D of the additive 16 in the water immersion area Aw is set. can do. Therefore, a configuration in which the additive concentration can be variably set can be obtained as a simpler configuration as compared with a configuration in which a valve or the like is provided to change the flow rate. In addition, when calcium etc. are used as an additive, the hardness of water can be variably set.
  • the caps 28 and 28A as the immersion height setting mechanism are detachably attached to the upper case 12 (case 7). For this reason, the caps 28 and 28A having different flow resistances by the through-holes 28b can be replaced relatively easily to variably set the internal pressure of the air reservoir region Aa, thereby variably setting the concentration of the additive 16. it can.
  • Example 1 the case 7 is provided with a second water inlet 7b that bypasses the additive storage chamber S1 and introduces water into the purification chamber S2. For this reason, the flow rate of the water flowing through the additive storage chamber S1 and the additive storage chamber S1 are bypassed by dividing the water passing through the additive storage chamber S1 and the water bypassing the additive storage chamber S1.
  • the flow rate of water to be set can be set independently. Therefore, it becomes easy to set the flow rate of water in the additive storage chamber S1 to a value suitable for concentration adjustment, and it becomes easy to improve the adjustment accuracy of the additive concentration.
  • Example 1 the 1st water inlet 7a was arrange
  • Example 2 the water purification cartridge 6 according to Example 1 is provided with a cap 28B as a water immersion height setting mechanism instead of the caps 28 and 28A.
  • the water purification cartridge 6 shown in FIG. 5 to which the cap 28B is attached can also be used by being attached to the water purifier 1 shown in FIG.
  • the cap 28B is configured as a valve (one-way valve, check valve) that allows air to flow from below to above and restricts the flow of air or water from above to below.
  • the cap 28 ⁇ / b> B includes a through hole 28 b and a valve body 29.
  • the valve body 29 is the structure which plugs up the through-hole 28b so that opening and closing is possible.
  • the valve body 29 is substantially circular in a plan view that expands in an umbrella shape slightly obliquely downward from the upper end portion of the rod-shaped portion 29a, and a rod-shaped portion 29a that is fitted into a through hole 28d formed in the central portion of the plate portion 28a.
  • the umbrella part 29b covers all the some through-holes 28b from upper direction.
  • An overhang 29c is formed at the tip of the rod-like portion 29a that protrudes downward from the through hole 28d.
  • the overhang portion 29c functions as a retaining member for the rod-shaped portion 29a.
  • the valve body 29 is formed of a material having elasticity (flexibility) such as an elastomer. In a state where the valve body 29 is attached to the plate portion 28a, the peripheral portion (tip edge) of the umbrella portion 29b is pressed against the plate portion 28a by the elasticity of the valve body 29 so as to be in close contact with the plate portion 28a. That is, the upper surface of the plate portion 28a functions as a valve seat, and the force pressed against the plate portion 28a is a preload (set load).
  • Example 2 when the pressure of the air upstream (that is, below) from the cap 28B is increased and the umbrella portion 29b is pushed up against the preload of the valve body 29 (the umbrella portion 29b), the air Will be discharged. Therefore, in Example 2, the internal pressure of the air pool area Aa increases by the amount corresponding to the preload of the umbrella portion 29b, and the lower limit of the air pool area Aa, that is, the position of the upper limit L of the flooded area Aw is relatively lower. . For this reason, the immersion height D of the additive 16 becomes relatively low. Therefore, in this case, it becomes easier to set the additive concentration lower. In addition, by setting the preload of the valve body 29, it becomes easier to set the internal pressure in the air reservoir region Aa, and thus the additive concentration, with higher accuracy.
  • the cap 28B as a submerged height setting mechanism is detachably attached to the upper case 12 (case 7). Therefore, it is possible to relatively easily replace the valve bodies 29 having different preloads, variably set the internal pressure of the air reservoir region Aa, and thus variably set the concentration of the additive 16.
  • FIG. 6 is a cross-sectional view of a water purifier according to Example 3 of the present invention.
  • the water purifier 1C is provided with a pump unit 30 as an inundation height setting mechanism including the air pump 30p, and air is supplied from the pump unit 30 into the air pool area Aa of the water purification cartridge 6C through the pipe 30a. Is supplied.
  • a shelf 3f that protrudes inward and has a D-shape in plan view is formed on the side wall 3e of the partition wall 3 that forms a part of the main body of the water purifier 1C.
  • the pump unit 30 is placed and fixed on the shelf 3f.
  • the lower end portion of the pipe 30a is inserted into a cylindrical portion 12j protruding downward from the top wall 12b of the upper case 12C of the water purification cartridge 6 in a state where a seal is secured.
  • the pump unit 30 includes, for example, an air pump 30p configured as a relatively small positive displacement pump, an actuator such as a motor for driving the air pump 30p, a control valve for adjusting air pressure, and a pneumatic circuit when the pressure exceeds a predetermined pressure.
  • a relief valve that opens, a pressure sensor, a timer, a control circuit that controls the operation of the motor and the control valve, a power source such as a battery, an operation knob, and a switch can be provided (not shown except for the air pump 30p).
  • a through hole 12k is formed at the upper end of the inner cylinder 12c as an air vent hole.
  • the concentration of the additive 16 can be variably set by variably setting the internal pressure of the air pool region Aa by the pump unit 30.
  • the user operates a switch or operation knob to set whether to increase or decrease the additive concentration.
  • the pump unit 30 controls the pressure and supply amount of the supplied air according to this setting.
  • the additive concentration is set to be high, the pressure and supply amount of the supplied air are controlled to be small. This lowers the internal pressure of the air pool area Aa, lowers the lower limit of the air pool area Aa, that is, the position of the upper limit L of the water immersion area Aw, and lowers the water immersion height D of the additive 16.
  • the pressure and supply amount of the supplied air are controlled to be large.
  • the internal pressure of the air accumulation area Aa is increased to raise the lower limit of the air accumulation area Aa, that is, the position of the upper limit L of the water immersion area Aw, and the water immersion height D of the additive 16 is increased.
  • the pressure of the air discharged from the air pump 30p can secure a sufficient contact time with the adsorbent 20 filled in the purification chamber S2 in the water purification cartridge 6C when the water passes through the water purification cartridge 6C.
  • the air pump 30p or the control valve may be feedback controlled based on the pressure detection result by the pressure sensor, or the pressure may be variably controlled using an electromagnetic solenoid type control valve or the like. Good. Further, the period and timing of supplying air may be controlled by a timer, or the power may be turned off after a predetermined time has elapsed. In this case, the timing of turning off the power is after the completion of the processing by the water purification cartridge 6C for the total amount of water in the raw water chamber 4 and the completion of the discharge of water from the water purification cartridge 6C into the water purification chamber 5. It is preferable to do so.
  • the pump unit 30 including the air pump 30p since the pump unit 30 including the air pump 30p is provided, the pressure of the air accumulated in the air accumulation area Aa is further increased, and the inundation height D can be easily lowered. For this reason, additive concentration can be set still lower. Further, the internal pressure of the air in the air pool area Aa can be controlled more easily and more precisely by controlling the air pump 30p and the like. For this reason, it becomes easy to obtain a desired additive concentration.
  • the water purification cartridge may have a shape other than the cylindrical shape
  • the water immersion height variable member may have a shape other than the bottomed cylindrical shape.
  • the specifications of the additive storage chamber, the purification chamber, the first water inlet, the second water inlet, and other details (shape, size, layout, contents, etc.) can be changed as appropriate.
  • the present invention it is possible to provide a water purification cartridge capable of more easily setting an additive concentration for adding minerals to water and a water purifier using the water purification cartridge as compared with a conventional apparatus.
PCT/JP2009/069189 2008-11-14 2009-11-11 浄水カートリッジおよび浄水器 WO2010055848A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020117010952A KR101271976B1 (ko) 2008-11-14 2009-11-11 정수 카트리지 및 정수기
CN2009801405002A CN102177098B (zh) 2008-11-14 2009-11-11 净水滤筒及净水器
HK11112971.5A HK1158612A1 (en) 2008-11-14 2011-11-30 Water-purifying cartridge and water purifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-292079 2008-11-14
JP2008292079A JP5210817B2 (ja) 2008-11-14 2008-11-14 浄水カートリッジおよび浄水器

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WO2010055848A1 true WO2010055848A1 (ja) 2010-05-20

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KR (1) KR101271976B1 (ko)
CN (1) CN102177098B (ko)
HK (1) HK1158612A1 (ko)
TW (1) TWI393677B (ko)
WO (1) WO2010055848A1 (ko)

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US8541039B2 (en) 2010-06-02 2013-09-24 Protect Plus Llc Water purifying and flavor infusion device
CN104556444A (zh) * 2013-10-23 2015-04-29 Nok株式会社 净水滤芯
JP2016518245A (ja) * 2013-03-15 2016-06-23 ゼロ・テクノロジーズ・リミテッド・ライアビリティ・カンパニーＺｅｒｏ Ｔｅｃｈｎｏｌｏｇｉｅｓ， Ｌｌｃ 水ろ過システム、水ろ過デバイスおよび水ろ過方法

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KR102125718B1 (ko) * 2013-06-05 2020-06-23 삼성전자주식회사 정수필터장치 및 이를 포함하는 가습기
RU2617779C1 (ru) * 2015-12-10 2017-04-26 Закрытое Акционерное Общество "Аквафор Продакшн" (Зао "Аквафор Продакшн") Устройство очистки жидкости

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JP5210817B2 (ja) 2013-06-12
HK1158612A1 (en) 2012-07-20
CN102177098B (zh) 2012-10-10
CN102177098A (zh) 2011-09-07
KR20110084939A (ko) 2011-07-26
TW201040114A (en) 2010-11-16
KR101271976B1 (ko) 2013-06-07
JP2010115619A (ja) 2010-05-27
TWI393677B (zh) 2013-04-21

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