WO2013137378A1 - 水処理装置およびそれを備えた浄水器 - Google Patents

水処理装置およびそれを備えた浄水器 Download PDF

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Publication number
WO2013137378A1
WO2013137378A1 PCT/JP2013/057146 JP2013057146W WO2013137378A1 WO 2013137378 A1 WO2013137378 A1 WO 2013137378A1 JP 2013057146 W JP2013057146 W JP 2013057146W WO 2013137378 A1 WO2013137378 A1 WO 2013137378A1
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WIPO (PCT)
Prior art keywords
water
case
wall
peripheral wall
outer cylinder
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PCT/JP2013/057146
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English (en)
French (fr)
Japanese (ja)
Inventor
智裕 小柳
池水　麦平
Original Assignee
シャープ株式会社
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Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201380005633.5A priority Critical patent/CN104066687B/zh
Publication of WO2013137378A1 publication Critical patent/WO2013137378A1/ja

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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
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/42—Liquid level

Definitions

  • the present invention generally relates to a water treatment apparatus and a water purifier equipped with the same, and more particularly to a water treatment apparatus for adding a specific additive to water and a water purifier equipped with the same.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2006-35214
  • Patent Document 2 Japanese Patent Application Laid-Open No. 2010-115612
  • Patent Document 3 a mineral addition means described in Japanese Patent Application Laid-Open No. 11-277079
  • the filter cartridge assembly described in Patent Document 1 includes a cylindrical housing and a filter cartridge.
  • the housing accommodates the filter cartridge.
  • An upper cap portion is coupled to the upper end portion of the housing.
  • a lower cap portion is coupled to the lower end portion of the housing.
  • An inflow port is formed in the lower cap portion, and an outflow port is formed in the upper cap portion.
  • at least one inflow water bypass outlet is formed in the housing at a position away from the center of the housing by a certain distance along the radial direction.
  • the filter cartridge is sandwiched between the upper upper flow space and the lower lower flow space inside the housing.
  • a flow space is formed between the side wall of the filter cartridge and the side surface circumferential portion of the housing.
  • a minute inflow portion is formed at the bottom of the filter cartridge.
  • a minute outflow portion is formed in the upper part of the filter cartridge.
  • a functional filter material is accommodated inside the cartridge. The functional filter material contains an active ingredient.
  • Part of the raw water or purified water that flows into the lower flow space through the inflow part flows into the inside of the cartridge through the minute inflow part of the filter cartridge.
  • the raw water or purified water that has flowed into the cartridge is discharged into the upper flow space through the minute outflow portion in a state where the active ingredient of the functional filter material is contained at the maximum concentration.
  • the remaining part of the raw water or purified water that flows into the lower flow space through the inflow portion is discharged from the flow space on the side surface of the cartridge to the upper flow space through the inflow water bypass outlet without passing through the filter cartridge.
  • the water purification cartridge described in Patent Document 2 includes a case.
  • the case has a substantially cylindrical shape.
  • the case has an upper case that forms the upper part and a lower case that forms the lower part.
  • the lower edge of the upper case and the upper edge of the lower case are connected to each other.
  • the interior of the case is roughly divided into three spaces in the vertical direction (axial direction) by partition walls and sheets.
  • the sheet is disposed below the partition so as to be spaced from the partition.
  • the uppermost portion is an additive storage chamber for storing an additive
  • the lowermost portion is a purification chamber for purifying water
  • the intermediate portion is an intermediate chamber.
  • the additive storage chamber is surrounded by an upper case and a partition wall.
  • the upper case has a peripheral wall that forms the upper part of the peripheral wall of the case, a top wall that forms the top wall of the case, and an inner cylinder that extends downward from the center of the top wall along the central axis of the water purification cartridge.
  • the upper case is formed in a cylindrical shape having a circular cross section.
  • the bulkhead is attached to the upper case so as to block the lower part of the upper case. That is, the additive storage chamber is formed in the upper case cylinder as a space having a substantially annular cross section surrounded by the peripheral wall, the ceiling wall, the inner cylinder, and the partition wall.
  • the additive storage chamber stores an additive such as granular calcium having a diameter of about several millimeters.
  • Water purification cartridges are used in pot type water purifiers.
  • the water purifier has a substantially bottomed cylindrical pot case.
  • a substantially bottomed cylindrical partition body is accommodated in the pot case.
  • the interior of the pot case is partitioned into an upper raw water chamber and a lower water purification chamber.
  • the water purification cartridge is disposed inside the pot case so that the upper portion of the water purification cartridge is exposed to the water purification chamber.
  • the water purification cartridge is arranged inside the pot case so that the water inlet formed in the upper part of the case faces the raw water chamber.
  • the additive elutes from the raw water chamber into the raw water introduced into the additive storage chamber through the water inlet.
  • the water to which the additive has been added flows out from the additive storage chamber to the intermediate chamber through the slit of the partition wall.
  • the mineral addition means described in Patent Document 3 has an additive storage container.
  • the additive storage container accommodates the mineral additive.
  • a plurality of holes are formed in the middle part of the additive material storage container.
  • the water to be treated is supplied from the lower part of the additive material storage container to the additive material storage container, and flows into the additive material storage container through the plurality of holes.
  • To-be-processed water is discharged
  • the water that has flowed from the raw water chamber into the additive material storage chamber through the water inlet into the case inside the case has moved in the additive storage chamber from vertically upward to downward by gravity. , Flows out into the intermediate chamber through the slit.
  • the movement of water depends on gravity. Further, the water does not circulate from the upper end to the lower end of the additive material storage chamber. Therefore, in the additive material storage chamber, water tends to pass through a specific route.
  • the water to be treated that flows into the additive material storage container through the plurality of holes moves downward from the vertical direction by gravity, and then the additive material storage container. It is discharged from the lower end to the outside of the additive material storage container.
  • the movement of water is dependent on the gravity inside the additive material storage container.
  • water does not distribute
  • the mineral additive In the case where water moves through a specific path inside the additive storage container, the mineral additive is locally dissolved in water, so that the portion described in Patent Document 2 is filled with the mineral additive. Similar to the water purification cartridge, a situation occurs in which a hollow tunnel is formed. Thus, the mineral addition means described in Patent Document 3 is difficult to stabilize the elution amount of the mineral additive in the long term. Therefore, in the mineral addition means described in Patent Document 3, the mineral concentration in water changes with time.
  • an object of the present invention is to provide a water treatment apparatus capable of preventing a change with time in the concentration of the component of the additive in water and a water purifier provided with the same.
  • the water treatment device includes a case.
  • the case includes an inflow portion for allowing water to flow into the case and an outflow portion having an outlet for allowing water to flow out of the case.
  • a housing part is formed inside the case.
  • the accommodating portion accommodates the additive material so as to be deposited along the vertical direction.
  • the additive material deposit deposited in the container has an upper end and a lower end.
  • the position of the outlet of the outflow part in the direction along the vertical direction is a position between the upper end and the lower end of the additive material deposit.
  • the water that flows into the case flows through the inside of the case and then flows out of the case through the outlet.
  • the position of the water surface inside the case is a position near the outlet in the direction along the vertical vertical direction.
  • the outlet is disposed between the upper and lower ends of the additive deposit. Therefore, the position of the water surface is a position between the upper end and the lower end of the additive material deposit.
  • the part above an outflow port is hard to contact water. Therefore, the portion above the outlet in the additive material deposit hardly dissolves in water.
  • the part below the outlet in the additive deposit is almost always immersed in water.
  • the portion above the outlet in the additive deposit moves gradually downward due to gravity after the portion below the outlet in the additive deposit melts.
  • the volume of the portion in contact with water in the entire additive deposit can be kept constant. Therefore, it is possible to keep the elution amount of the additive into the water and the concentration of the component of the additive in the water constant.
  • a water storage part for storing water is further formed inside the case.
  • the water storage part and the outside of the case are communicated with each other by an inflow part.
  • the water storage part and the storage part are continuous inside the case.
  • the water that flows into the inside from the outside of the case flows through the water storage section and then into the housing section. That is, the water that has flowed into the inside from the outside of the case does not suddenly contact the additive inside the case.
  • the part below the outflow port in the additive material deposit does not contact the water immediately after flowing into the inside from the outside of the case without contacting the order, and contacts the water that has passed through the water storage section. Therefore, the deposited additive material does not elute into water excessively. Thereby, it can prevent that the period until an additive lose
  • the outlet of the outflow portion is preferably disposed below the center of the accommodating portion along the vertical vertical direction.
  • the inflow portion preferably has an inflow port formed in the case.
  • the inflow port is preferably arranged above the outflow port.
  • the water flowing into the case from the inlet can be moved to the lower part of the case by gravity.
  • the water level rises from the lower part inside the case to the outlet.
  • the water can flow out to the outside of the case through the outflow port due to the water pressure of the water flowing inside the case.
  • the water that has flowed into the inside from the outside of the case through the inflow port can be flowed out to the outside of the case through the outflow port by simply considering the water pressure and gravity.
  • the case preferably has a top wall disposed on the upper end side of the additive deposit.
  • the upper end of the inflow portion and the upper end of the outflow portion are preferably arranged above the top wall.
  • the tubular member for circulating water flowing into the case through the inflow portion and the tubular member for circulating water flowing out of the case through the outflow portion are provided on the top wall. Since it can be easily connected to the inflow portion and the outflow portion, respectively, the water treatment device according to the present invention can be easily attached to and detached from the tubular member.
  • the case is preferably composed of an outer cylinder and a partition member.
  • the outer cylinder preferably has a cylindrical shape and includes a peripheral wall, a top wall, and a bottom wall.
  • the partition member preferably includes a wall portion that forms an accommodating portion and is disposed inside the peripheral wall of the outer cylinder.
  • the water storage part is preferably formed in a space surrounded by the peripheral wall, the top wall, the bottom wall, and the wall part of the partition member of the outer cylinder.
  • the accommodating portion is disposed inside the case with respect to the water storage portion, and is a space surrounded by the peripheral wall, the top wall, the bottom wall, and the wall portion of the partition member of the outer cylinder or the top wall and the bottom wall of the outer cylinder. It is formed in a space surrounded by the wall portion of the partition member.
  • the outflow part preferably includes a tube member.
  • the tube member preferably has an upper end and a lower end and is inserted into the accommodating portion from the opening.
  • the upper end of the tube member preferably protrudes from the top wall to the outside of the case.
  • an outlet is formed at the lower end of the pipe member.
  • the case can be easily formed by the outer cylinder including the top wall, the bottom wall, and the peripheral wall, and the partition member disposed inside the peripheral wall of the outer cylinder. Furthermore, the accommodating part can be easily formed by the wall part arranged inside the peripheral wall of the outer cylinder.
  • the outflow port is arrange
  • the inflow portion preferably includes an inflow port.
  • the inflow port is formed in the outer cylinder so that water flows into the water storage part from the outside of the case.
  • the lower end of the additive material deposit is disposed above the bottom wall of the outer cylinder.
  • the water inside the case easily moves from the water storage portion to the accommodating portion so as to pass through the bottom wall of the outer cylinder and the lower end of the additive material deposit. Therefore, the water in which the component of the additive is dissolved hardly stays or settles in the space between the bottom wall of the outer cylinder and the lower end of the additive deposit.
  • it can prevent that the water which the component of the additive melt
  • the partition member preferably has a peripheral wall as a wall portion.
  • the peripheral wall of the outer cylinder and the peripheral wall of the inner cylinder each have a cylindrical shape.
  • the central axis of the peripheral wall of the outer cylinder and the central axis of the peripheral wall of the inner cylinder substantially coincide.
  • the water that has flowed into the outer cylinder through the inflow port easily flows into the housing portion toward the central axis. Therefore, water can be easily brought into contact with the additive in the entire portion of the additive deposit below the outlet.
  • the inflow part preferably includes an inflow port formed in the top wall so that water flows into the water storage part from the outside of the case.
  • the water flowing into the case from the inlet can be moved to the bottom wall of the outer cylinder by gravity.
  • the water level rises from the bottom wall to the outlet.
  • the water can flow out to the outside of the case through the outflow port due to the water pressure of the water flowing inside the case.
  • the water which flowed into the inside of the case from the inflow port can be made to flow out from the outflow port by simply considering the water pressure and gravity.
  • the inflow portion preferably has an inflow port formed in the case.
  • the outlet of the outflow portion is preferably formed in the case.
  • the case preferably has a peripheral wall that forms a side surface of the case.
  • the inflow port and the outflow port are preferably formed in the peripheral wall.
  • the tubular member for circulating water flowing into the case through the inflow portion and the inflow port, and the tubular member for circulating water flowing out of the case through the outflow portion and the outflow port Can be easily connected to the inflow portion and the outflow portion, respectively, on the outside of the peripheral wall.
  • these tubular members can be particularly easily connected to the inflow part and the outflow part.
  • the case is preferably composed of an outer cylinder and a partition member.
  • the outer cylinder preferably has a cylindrical shape and includes a peripheral wall, a top wall, and a bottom wall.
  • the partition member preferably extends in a direction along the vertical direction between the top wall and the bottom wall of the outer cylinder.
  • the partition member divides a space surrounded by the peripheral wall, the top wall, and the bottom wall of the outer cylinder into a water storage unit and a storage unit that store water.
  • the housing portion is preferably formed in a space surrounded by the peripheral wall, top wall, bottom wall, and partition member of the outer cylinder.
  • the outlet is preferably formed in the peripheral wall of the outer cylinder so as to face the additive deposit.
  • the case can be easily formed by the outer cylinder and the partition member. Furthermore, the accommodating part can be easily formed by the partition member extending in the direction along the vertical direction between the top wall and the bottom wall of the outer cylinder and the peripheral wall of the outer cylinder.
  • the outflow port is formed on the peripheral wall of the outer cylinder so as to face the additive deposit. Therefore, the water in which the component of the additive was dissolved can be easily moved to the outside of the case through the outlet and the outlet.
  • the inlet is preferably formed in an outer cylinder.
  • the lower end of the additive material deposit is disposed above the bottom wall of the outer cylinder.
  • the water inside the case easily moves from the water storage portion to the accommodating portion so as to pass through the bottom wall of the outer cylinder and the lower end of the additive material deposit. Therefore, the water in which the component of the additive is dissolved hardly stays or settles in the space between the bottom wall of the outer cylinder and the lower end of the additive deposit.
  • it can prevent that the water which the component of the additive melt
  • the case is preferably constituted by an outer cylinder and a plurality of partition members.
  • the outer cylinder preferably has a cylindrical shape and includes a peripheral wall, a top wall, and a bottom wall.
  • the plurality of partition members preferably extend in a direction along the vertical direction between the top wall and the bottom wall so as to be surrounded by the peripheral wall of the outer cylinder.
  • the plurality of partition members preferably divide a space surrounded by the peripheral wall, top wall, and bottom wall of the outer cylinder into a water storage section that stores water and a storage section.
  • the inlet is preferably formed in an outer cylinder.
  • the housing part is preferably formed by a plurality of partition members so as to be sandwiched between the water storage parts.
  • the case preferably has a bottom surface that supports and contacts the water.
  • the position of the lower end of the additive deposit is preferably substantially coincident with the position of the bottom surface of the case.
  • the lower end of each partition member is preferably disposed between the outlet and the bottom surface along the vertical vertical direction.
  • the water storage part is formed inside the case so as to surround the housing part.
  • the volume of a water storage part can be expanded. Therefore, even when a large amount of water is temporarily introduced into the case, the water can be temporarily retained in the water storage section. That is, even when a large amount of water is temporarily introduced into the case, the entire large amount of water is prevented from coming into contact with the additive deposit.
  • the increase in the elution amount of the additive can be prevented.
  • the outflow port is preferably formed on the peripheral wall of the outer cylinder so that the water storage unit and the outside of the case communicate with each other through the outflow unit.
  • the outflow portion can be easily formed on the peripheral wall of the outer cylinder of the case.
  • the water containing the components of the eluted additive material flows out of the case after moving from the storage unit to the water storage unit.
  • the components of the eluted additive can be appropriately mixed with water and then flowed out of the case through the outlet.
  • the water treatment device includes a storage unit, a water storage unit, and an outflow unit having an outflow port.
  • the accommodating portion has a lower end and accommodates the additive so as to deposit along the vertical direction. Water flows into the water reservoir.
  • the outflow part causes the water that has flowed into the water storage part to flow out of the storage part or the water storage part through the outlet.
  • the storage part and the water storage part communicate with each other through the lower end of the storage part or the vicinity of the lower end of the storage part.
  • the deposit deposited in the accommodating part has an upper end and a lower end.
  • the position of the outlet in the direction along the vertical direction is a position between the upper end and the lower end of the deposit.
  • the water that has flowed into the water storage section flows into the storage section through the lower end of the storage section or the vicinity of the lower end of the storage section.
  • the position of the water surface in the accommodating portion is a position in the vicinity of the outlet in the direction along the vertical vertical direction. According to the water treatment device according to the present invention, it is possible to keep the amount of the additive dissolved in water and the concentration of the component of the additive in water constant.
  • the water purifier according to the present invention is preferably a water purifier provided with a water treatment device.
  • the water purifier according to the present invention can prevent a change in the concentration of the component of the additive in water over time in the water treatment device and the water purifier.
  • a water treatment device capable of preventing a change in the concentration of the component of the additive in water over time and a water purifier provided with the water treatment device.
  • the water treatment device 210 includes a case 160.
  • Case 160 is disposed in water purifier 100 (see FIG. 3) so that water can be stored in bottom surface 174 of case 160. That is, when the water treatment device 210 is installed in the water purifier 100 described later, the vertical direction in FIG. 1 substantially matches the vertical vertical direction.
  • Case 160 includes an inflow portion and an outflow portion.
  • the inflow portion includes an inflow nozzle 161a attached to the case 160 and an inflow port 172a described later.
  • the inflow nozzle 161 a and the inflow port 172 a allow water to flow into the case 160.
  • the outflow portion causes water to flow out from the case 160. Details of the outflow portion will be described later.
  • a housing portion 163 is formed inside the case 160.
  • the accommodating portion 163 accommodates the additive material 16.
  • the additive 16 is deposited along the vertical direction. In FIG. 1, the deposited additive 16 is shown as a deposit 166.
  • a water reservoir 164 is formed inside the case 160.
  • the water reservoir 164 stores water.
  • the outside of the case 160 and the water storage part 164 are communicated with each other by an inflow part. Note that water flows through the water storage unit 164 and the storage unit 163 as described later. Therefore, the water storage unit 164 and the storage unit 163 are part of a passage through which water flows. In the case 160, the water storage part 164 and the accommodating part 163 are continuous.
  • the case 160 includes an outer cylinder 170 and an inner cylinder 180.
  • the outer cylinder 170 includes a peripheral wall 171, a top wall 172, and a bottom wall 173.
  • the outer cylinder 170 has a cylindrical shape.
  • the inner cylinder 180 forms a housing portion 163.
  • the inner cylinder 180 is an example of a partition member in the case 160 of the water treatment device 210.
  • the peripheral wall 171 forming the outer shape of the case 160 has a cylindrical shape.
  • the inner surface 171a of the peripheral wall 171 is circular.
  • the peripheral wall 171 extends vertically between the top wall 172 and the bottom wall 173.
  • the peripheral wall 171 forms the side surface of the case 160.
  • the top wall 172 is disposed on the upper end side of the deposit 166.
  • the lower surface of the top wall 172 forms a ceiling surface 172 d of the case 160.
  • the upper surface of the bottom wall 173 forms a bottom surface 174 of the case 160.
  • the top wall 172 and the bottom wall 173 each extend in a substantially horizontal direction. Although not shown, the top wall 172 and the bottom wall 173 each have a disk shape.
  • the inner cylinder 180 has a peripheral wall 181 as a wall portion.
  • the peripheral wall 181 extends vertically downward from the ceiling surface 172d.
  • the peripheral wall 181 is surrounded by the peripheral wall 171 of the outer cylinder 170.
  • the peripheral wall 181 is disposed inside the peripheral wall 171.
  • the peripheral wall 181 has a cylindrical shape.
  • the inner surface 181a and the outer surface 181b of the peripheral wall 181 are circles centered on the central axis C1 (see FIG. 2) of the peripheral wall 181.
  • the central axis of the peripheral wall 171 of the outer cylinder 170 substantially coincides with the central axis C1 of the peripheral wall 181 of the inner cylinder 180.
  • the water storage unit 164 is formed in a space between the inner surface 171a of the peripheral wall 171 of the outer cylinder 170 and the outer surface 181b of the peripheral wall 181 of the inner cylinder 180.
  • the upper end of the water storage unit 164 is a ceiling surface 172d, and the lower end is a bottom surface 174.
  • the accommodating portion 163 is formed by a space surrounded by the inner surface 181a, the ceiling surface 172d, and the upper surface 41a of the base member 41. In the plan view of the case 160, the accommodating portion 163 is disposed inside the case 160 with respect to the water storage portion 164. Inside the case 160, a space excluding the housing portion 163, the inner cylinder 180, and the base member 41 is configured as a water storage portion 164.
  • the base member 41 is attached to the lower end 181c of the peripheral wall 181.
  • the upper surface 41a of the base member 41 extends in a direction parallel to the direction in which the bottom surface 174 extends, that is, in a substantially horizontal direction.
  • the base member 41 is formed of a net-like sheet or plate.
  • the material of the base member 41 is not particularly limited.
  • the base member 41 may be a simple cloth.
  • the base member 41 only needs to be configured to support the granular additive 16 and to allow water to flow up and down.
  • the direction in which the base member 41 and the upper surface 41a extend may not be parallel to the direction in which the bottom surface 174 extends.
  • the inlet 172a is formed in the top wall 172. Specifically, in the top wall 172, an inflow port 172 a is formed at a position between the upper end of the inner surface 171 a of the peripheral wall 171 and the upper end of the outer surface 181 b of the peripheral wall 181.
  • the inflow port 172a has a substantially annular shape. Note that the inflow port 172a may be partially blocked by a spoke-like portion (not shown). Such spoke-like portions extend radially around the central axis C1.
  • the inflow nozzle 161a is a circular opening centered on the central axis C1 (see FIG. 2).
  • the inner peripheral wall 161c of the inflow nozzle 161a and the inflow port 172a are continuous on the top wall 172.
  • the upper end of the inflow nozzle 161 a is disposed above the top wall 172.
  • An opening 172 c is formed at the center of the top wall 172.
  • the opening 172 c is formed in the top wall 172 above the accommodating portion 163.
  • the diameter of the opening 172c is larger than the width of the inlet 172a (that is, the dimension of the inlet 172a along the left-right direction in FIG. 1).
  • a center axis C1 passes through the center of the opening 172c.
  • an example of the outflow portion includes an opening 172c and an outflow pipe 190.
  • the outflow pipe 190 is an example of a pipe member inserted into the accommodating portion 163 from the opening 172c.
  • the outflow pipe 190 has an upper end 191 and a lower end 192.
  • the outflow pipe 190 is inserted into the accommodating portion 163 through the opening 172c.
  • An upper end 191 of the outflow pipe 190 projects from the top wall 172 to the outside of the case 160. That is, the upper end of the outflow portion is disposed above the top wall 172.
  • An outlet 193 is formed at the lower end 192 of the outflow pipe 190.
  • the diameters of the outlet 193 and the inner wall 194 of the outlet pipe 190 are larger than the width of the inlet 172a.
  • the outlet 193 coincides with the inner wall 194 of the outlet pipe 190 at the lower end 192 of the outlet pipe 190.
  • the space surrounded by the inner wall 194 of the outflow pipe 190 constitutes a part of a passage through which water flows.
  • the outlet 193 is disposed below the center of the accommodating portion 163 along the vertical vertical direction.
  • the position of the center of the accommodating portion 163 along the vertical vertical direction is indicated by a horizontal line CL1.
  • the inflow port 172a is disposed above the outflow port 193.
  • the additive 16 has a grain shape.
  • magnesium sulfate, magnesium carbonate, magnesium sulfate, calcium sulfite, calcium hypochlorite, or the like can be used.
  • the additive 16 may be a so-called sugar such as sucrose or a salt as a fine granular material.
  • the deposit 16 of the additive 16 is formed by the additive 16 being piled up.
  • the deposit 166 deposited in the storage portion 163 has an upper end and a lower end. As shown in FIG. 1, when the additive 16 is fully accommodated in the accommodating part 163, the position of the upper end of the deposit 166 along the up-down direction substantially coincides with the position of the ceiling surface 172d. On the other hand, the position of the lower end of the deposit 166 along the vertical direction substantially coincides with the position of the upper surface 41 a of the base member 41.
  • the lower end 181 c of the peripheral wall 181 of the inner cylinder 180 is disposed above the bottom surface 174 so that a space is formed between the bottom surface 174 and the bottom surface 174. Therefore, the lower end of the deposit 166 of the additive 16 is disposed above the bottom wall 173. On the other hand, the outlet 193 is disposed between the upper end and the lower end of the deposit 166.
  • the water that flows into the case 160 from the outside through the inflow port 172a flows through the water reservoir 164.
  • the water that has passed through the water storage unit 164 flows into the storage unit 163 after passing through the base member 41. While the water flows through the storage portion 163 and while the water stays in the storage portion 163, the water comes into contact with the additive 16 and the additive 16 is eluted into the water, so that the components are mixed into the water. .
  • the water containing the component of the additive 16 flows out of the case 160 from the outlet 193 through the passage surrounded by the inner wall 194 of the outlet pipe 190.
  • the position of the water surface inside the case 160 is along the vertical vertical direction. It is a position in the vicinity of the outlet 193 in this direction.
  • the outlet 193 is disposed between the upper end and the lower end of the deposit 166. That is, when the pressure of water flowing out of the case 160 is not extremely high, the position of the water surface is a position between the upper end and the lower end of the deposit 166. Thereby, the part below the outflow port 193 in the deposit 166 is almost always immersed in water.
  • the portion of the deposit 166 above the outlet 193 moves gradually downward due to gravity after the portion of the deposit 166 below the outlet 193 has melted.
  • the volume of the part which contacts the water in the whole deposit 166 can be kept constant.
  • the outlet 193 is disposed between the upper end and the lower end of the deposit 166 when the water treatment device 210 is in use.
  • the additive 16 disappears by elution into water to such an extent that the upper end of the deposit 166 falls below the outlet 193, it is preferable to replace the case 160 or add the additive 16.
  • the water treatment device 210 of the first embodiment includes the case 160.
  • Case 160 includes an inflow portion for allowing water to flow into case 160 and an outflow portion having an outlet 193 for allowing water to flow out from case 160.
  • the inflow portion includes an inflow nozzle 161a and an inflow port 172a.
  • a housing portion 163 is formed inside the case 160.
  • the accommodating part 163 accommodates the additive 16 so as to deposit along the vertical direction.
  • the deposit 166 of the additive 16 deposited in the storage portion 163 has an upper end and a lower end.
  • the outflow port 193 is disposed between the upper end and the lower end of the deposit 166.
  • the water flowing into the case 160 flows through the case 160 and then flows out of the case 160 through the outlet 193.
  • the position of the water surface inside the case 160 is a position in the vicinity of the outlet 193 in the direction along the vertical vertical direction.
  • the outlet 193 is disposed between the upper end and the lower end of the deposit 166. Therefore, the position of the water surface is a position between the upper end and the lower end of the deposit 166. Thereby, in the deposit 166, the part above the outflow port 193 is hard to contact with water. Therefore, the portion of the deposit 166 above the outlet 193 hardly elutes into water. On the other hand, the portion of the deposit 166 below the outlet 193 is almost always immersed in water.
  • the portion of the deposit 166 above the outlet 193 moves gradually downward due to gravity after the portion of the deposit 166 below the outlet 193 has melted.
  • the volume of the part which contacts the water in the whole deposit 166 can be kept constant. Therefore, the elution amount of the additive 16 into the water and the concentration of the component of the additive 16 in the water can be kept constant.
  • the water treatment apparatus 210 it is possible to prevent the concentration of the component of the additive 16 in the water from changing with time.
  • a water storage unit 164 that stores water is formed inside the case 160.
  • the water reservoir 164 and the outside of the case 160 are communicated with each other by an inflow nozzle 161a and an inflow port 172a.
  • the water storage unit 164 and the storage unit 163 are continuous.
  • the water that flows into the inside from the outside of the case 160 passes through the water storage unit 164 and then flows into the housing unit 163. That is, water that has flowed into the case 160 from the outside does not suddenly contact the additive 16 inside the case 160. Further, the portion of the deposit 166 below the outflow port 193 does not contact the water immediately after flowing from the outside of the case 160 into the interior without contacting the order, and contacts the water that has passed through the water storage unit 164. . Therefore, the accumulated additive 16 does not elute into water excessively. Thereby, it can prevent that the period until the additive 16 lose
  • the outlet 193 of the outflow part is disposed below the center of the accommodating part 163 along the vertical vertical direction.
  • the inflow portion has an inflow port 172 a formed in the case 160.
  • the inflow port 172a is disposed above the outflow port 193.
  • the water flowing into the case 160 from the inlet 172a can be moved to the lower part of the case 160 by gravity.
  • the water level rises from the lower part inside the case 160 to the outlet 193.
  • the water can flow out of the case 160 through the outlet 193 by the water pressure of the water flowing through the case 160.
  • the water that has flowed into the case 160 from the outside through the inflow port 172a can be made to flow out of the case 160 through the outflow port 193 by simply considering the water pressure and gravity. .
  • the case 160 has a top wall 172 disposed on the upper end side of the deposit 166.
  • the upper end of the inflow nozzle 161 a in the inflow portion and the upper end of the outflow portion are disposed above the top wall 172.
  • the tubular member for circulating the water that flows into the case 160 through the inflow nozzle 161a and the inflow port 172a, and the tubular for circulating the water that flows out of the case 160 through the outflow portion Since the member can be easily connected to the inflow nozzle 161a and the outflow part above the top wall 172, the water treatment device 210 can be easily attached to and detached from the tubular member.
  • the case 160 includes an outer cylinder 170 and an inner cylinder 180 as a partition member.
  • the outer cylinder 170 has a cylindrical shape.
  • the outer cylinder 170 includes a peripheral wall 171, a top wall 172, and a bottom wall 173.
  • the inner cylinder 180 has a peripheral wall 181 as a wall portion.
  • the peripheral wall 181 forms an accommodating portion 163 and is disposed inside the peripheral wall 171 of the outer cylinder 170.
  • the water reservoir 164 is formed in a space surrounded by the peripheral wall 171, the top wall 172, the bottom wall 173, and the peripheral wall 181 of the inner cylinder 180.
  • the accommodating portion 163 is disposed inside the case 160 with respect to the water storage portion 164, and is formed in a space surrounded by the top wall 172, the bottom wall 173 of the outer cylinder 170, and the peripheral wall 181 of the inner cylinder 180.
  • the opening 172c is formed in the top wall 172 above the accommodating part 163.
  • the outflow part includes an outflow pipe 190.
  • the outflow pipe 190 has an upper end 191 and a lower end 192 and is inserted into the accommodating portion 163 through the opening 172c.
  • An upper end 191 of the outflow pipe 190 projects from the top wall 172 to the outside of the case 160.
  • An outlet 193 is formed at the lower end 192 of the outflow pipe 190.
  • the case 160 is easily formed by the outer cylinder 170 including the top wall 172, the bottom wall 173, and the peripheral wall 171 and the inner cylinder 180 disposed inside the peripheral wall 171 of the outer cylinder 170.
  • the accommodating portion 163 can be easily formed by the peripheral wall 181 of the inner cylinder 180 disposed inside the peripheral wall 171 of the outer cylinder 170.
  • the outlet 193 is disposed in the accommodating portion 163 and faces the deposit 166. Thereby, the water in which the component of the additive 16 is dissolved can be easily moved to the outside of the case 160 through the inside of the outflow pipe 190.
  • the inflow portion includes an inflow port 172a formed in the outer cylinder 170 so that water flows into the water storage portion 164 from the outside of the case 160.
  • the lower end of the deposit 166 is disposed above the bottom wall 173 of the outer cylinder 170.
  • the water inside the case 160 easily moves from the water storage unit 164 to the accommodation unit 163 so as to pass from the bottom wall 173 of the outer cylinder 170 through the lower end of the deposit 166. Therefore, the water in which the component of the additive 16 is dissolved is unlikely to stay or settle in the space between the bottom wall 173 of the outer cylinder 170 and the lower end of the deposit 166. Thus, according to this configuration, it is possible to prevent water in which the components of the additive 16 are dissolved from remaining in the case 160.
  • the inner cylinder 180 has a peripheral wall 181 as a wall portion.
  • the peripheral wall 171 of the outer cylinder 170 and the peripheral wall 181 of the inner cylinder 180 each have a cylindrical shape.
  • the central axis C1 of the peripheral wall 171 of the outer cylinder 170 and the central axis C1 of the peripheral wall 181 of the inner cylinder 180 substantially coincide with each other.
  • the inflow portion includes an inflow port 172a formed in the top wall 172 so that water flows into the water storage portion 164 from the outside of the case 160.
  • the water flowing into the case 160 from the inflow port 172a can be moved to the bottom wall 173 of the outer cylinder 170 by gravity.
  • the water level rises from the bottom wall 173 to the outlet 193.
  • the water can flow out of the case 160 through the outlet 193 by the water pressure of the water flowing through the case 160.
  • the water that has flowed into the case 160 from the inflow port 172a can be discharged from the outflow port 193 by simply considering the water pressure and gravity.
  • FIG. 3 is a schematic view showing a water purifier 100 as an example of a water purifier provided with a water treatment device 210.
  • the water purifier 100 includes a housing 10, a filter unit 12, a water treatment device 210, a tubular member 30, a valve 13, and a nozzle 14.
  • the tubular member 30 forms a passage for moving water as a liquid.
  • the filter unit 12 accommodates a filter medium 12a.
  • the valve 13 is disposed between the water treatment device 210 and the nozzle 14 in a passage for moving water. Depending on the opening and closing of the valve 13, the flow of water between the water treatment device 210 and the nozzle 14 is allowed or blocked in the passage for moving water.
  • the filter unit 12 is accommodated in the housing 10.
  • the tubular member 30 extends from the water inlet 11 to the nozzle 14. However, the water moves inside the nozzle 14 in addition to the tubular member 30. Therefore, the nozzle 14 may be a part of a tubular member.
  • a water outlet 15 is formed in the nozzle 14. The water inlet 11 is for allowing water to flow into the tubular member 30 and the water purifier 100. The water outlet 15 is for allowing water to flow out from the inside of the tubular member 30 and the inside of the water purifier 100.
  • Water that has flowed into the tubular member 30 from the water inlet 11 is filtered into the filter medium 12a, whereby purified water is generated in the water purifier 100.
  • the purified water flows to the valve 13 after passing through the water treatment device 210. When the valve 13 is opened, purified water is discharged from the water outlet 15 to the outside of the water purifier 100.
  • the water purifier 100 includes the water treatment device 210.
  • the water purifier 100 can prevent a change in the concentration of components of the additive 16 in water (see FIG. 1) with time in the water treatment device 210 and the water purifier 100.
  • the container that forms the storage portion and the container that forms the water storage portion may be separate containers.
  • the inflow port 172a is not limited to being formed in the top wall 172, You may be formed in the surrounding wall 171 or the bottom wall 173. In the water treatment device 210, the inflow port 172a may be disposed below the outflow port 193. The outlet 193 may be disposed above the center of the accommodating portion 163 along the vertical vertical direction.
  • the accommodating part 163 and the water storage part 164 are not limited to being partitioned by the base member 41 inside the case 160.
  • the position of the lower end 181c of the peripheral wall 181 of the inner cylinder 180 in the direction along the vertical direction substantially coincides with the position of the bottom surface 174 of the case 160, and a hole is formed in the peripheral wall 181 of the inner cylinder 180 below the outlet 193.
  • the accommodating portion 163 and the water storage portion 164 can be communicated with each other through the vicinity of the lower end of the accommodating portion 163.
  • a net-like member may be disposed between the lower end 181c of the peripheral wall 181 and the bottom surface 174.
  • This member should just be comprised so that the movement of the granular additive 16 may be restrict
  • the accommodating part 163 and the water storage part 164 can be connected through the vicinity of the lower end of the accommodating part 163.
  • the water treatment device 210 includes the accommodating portion 163, the water storage portion 164, and the outflow portion having the outflow port 193.
  • the accommodating part 163 has a lower end and accommodates the additive 16 so as to be deposited along the vertical direction. Water flows into the water reservoir 164.
  • the outflow part causes the water that has flowed into the water storage part 164 to flow out of the storage part 163 through the outflow port 193.
  • the accommodating part 163 and the water storage part 164 are connected through the lower end of the accommodating part 163 or the vicinity of the lower end of the accommodating part 163.
  • the deposit 166 deposited in the storage portion 163 has an upper end and a lower end.
  • the position of the outlet 193 in the direction along the vertical direction is a position between the upper end and the lower end of the deposit 166.
  • the water that has flowed into the water storage unit 164 flows into the storage unit 163 through the lower end of the storage unit 163 or the vicinity of the lower end of the storage unit 163.
  • the position of the water surface in the accommodating part 163 is a position in the vicinity of the outlet 193 in the direction along the vertical vertical direction. According to the water treatment device 210, the elution amount of the additive 16 into water and the concentration of the component of the additive 16 in water can be kept constant.
  • the water treatment device 210 includes a storage portion 163, a water storage portion 164, and an outflow portion having an outflow port 193.
  • the accommodating part 163 has a lower end and accommodates the additive 16 so as to be deposited along the vertical direction.
  • the water storage unit 164 has a bottom surface 174. Water flows into the water reservoir 164.
  • the outflow part causes the water that has flowed into the water storage part 164 to flow out of the storage part 163 through the outflow port 193.
  • the lower end of the housing part 163 is located above the bottom surface 174 of the water storage part 164.
  • the accommodating part 163 and the water storage part 164 communicate with each other through the lower end of the accommodating part 163.
  • the deposit 166 deposited in the storage portion 163 has an upper end and a lower end.
  • the outlet 193 is arranged in the accommodating portion 163 so that the position of the outlet 193 in the direction along the vertical direction is a position between the upper end and the lower end of the deposit 16.
  • the shape of the case 160 is not limited to that shown in FIGS.
  • another shape of the case 160 will be described with reference to FIG.
  • components having the same functions as those of the case 160 shown in FIGS. 1 and 2 are denoted by the same reference numerals.
  • the peripheral wall 171 has a top wall 172 (see FIG. 1) and the bottom wall 173 (see FIG. 1) extend vertically. Also in the case 160 having the shape shown in FIGS. 4A to 4D, the lower surface of the top wall 172 is the ceiling surface 172d (FIG. 1) of the case 160, as in the case 160 shown in FIGS. And the upper surface of the bottom wall 173 forms the bottom surface 174 of the case 160 (see FIG. 1).
  • the inflow nozzle 162a and the inflow nozzle 162b are attached to the case 160.
  • An inlet 172e and an inlet 172f are formed on the top wall 172.
  • an inlet 172e and an inlet 172f are formed at a position between the upper end of the inner surface 171a of the peripheral wall 171 and the upper end of the outer surface 181b of the peripheral wall 181.
  • the inflow port 172e and the inflow port 172f face each other with respect to the central axis C1 (see FIG. 1).
  • the diameter of the inlet 172e and the diameter of the inlet 172f are substantially the same.
  • the inner peripheral wall of the inflow nozzle 162a and the inflow port 172e are continuous on the top wall 172.
  • the inner peripheral wall of the inflow nozzle 162b and the inflow port 172f are continuous on the top wall 172.
  • a peripheral wall 171 of the outer cylinder 170 forming the outer shape of the case 160 has a cylindrical shape and a square cross section.
  • the inner cylinder 180 as a partition member has a peripheral wall 181.
  • the peripheral wall 181 extends vertically downward from the ceiling surface 172d (see FIG. 1).
  • the peripheral wall 181 is surrounded by the peripheral wall 171 of the outer cylinder 170.
  • a peripheral wall 181 of the inner cylinder 180 of the case 160 shown in FIG. 4A has a cylindrical shape and a square cross section.
  • the case 160 shown in FIG. 4B has a substantially cubic shape.
  • a peripheral wall 171 of the outer cylinder 170 forming the outer shape of the case 160 has a cylindrical shape and a square cross section.
  • the inner cylinder 180 as a partition member has a peripheral wall 181.
  • the peripheral wall 181 extends vertically downward from the ceiling surface 172d (see FIG. 1).
  • the peripheral wall 181 is surrounded by the peripheral wall 171 of the outer cylinder 170.
  • a peripheral wall 181 of the inner cylinder 180 of the case 160 shown in FIG. 4B has a cylindrical shape.
  • the case 160 shown in FIG. 4C has a cylindrical shape.
  • the peripheral wall 171 of the outer cylinder 170 that forms the outer shape of the case 160 has a cylindrical shape.
  • the inner cylinder 180 as a partition member has a peripheral wall 181.
  • the peripheral wall 181 extends vertically downward from the ceiling surface 172d (see FIG. 1).
  • the peripheral wall 181 is surrounded by the peripheral wall 171 of the outer cylinder 170.
  • the peripheral wall 181 of the inner cylinder 180 of the case 160 shown in FIG. 4C has a cylindrical shape and a square cross section.
  • the case 160 shown in FIG. 4D has a substantially cubic shape.
  • a peripheral wall 171 of the outer cylinder 170 forming the outer shape of the case 160 has a cylindrical shape and a square cross section.
  • a case 160 illustrated in FIG. 4D includes a partition wall 881 and a partition wall 882 as partition members.
  • the partition wall 881 and the partition wall 882 extend vertically downward from the ceiling surface 172d (see FIG. 1).
  • the partition wall 881 and the partition wall 882 are surrounded by the peripheral wall 171 of the outer cylinder 170.
  • a space is provided between the partition wall 881 and the partition wall 882 along the left-right direction (width direction of the case 160) in FIG.
  • the partition wall 881 and the partition wall 882 are in contact with the inner surface 171a of the peripheral wall 171.
  • the partition wall 881 and the partition wall 882 are respectively located in the space surrounded by the inner surface 171a of the peripheral wall 171 along the depth direction of the case 160 (vertical direction in FIG. 4D). In contact with the inner surface 171a.
  • the water storage portion 164 includes a space between the inner surface 171a of the peripheral wall 171 and the outer surface 881b of the partition wall 881, and between the inner surface 171a of the peripheral wall 171 and the outer surface 882b of the partition wall 882. It is formed with a space.
  • the housing portion 163 is disposed inside the case 160 with respect to the water storage portion 164, and the peripheral wall 171, the top wall 172, the bottom wall 173, the partition wall 881 of the outer cylinder 170, A space surrounded by the partition wall 882 is formed. Specifically, in the case 160 illustrated in FIG.
  • the housing portion 163 includes an inner surface 171a of the peripheral wall 171, an inner surface 881a of the partition wall 881, an inner surface 882a of the partition wall 882, and a ceiling surface 172d (see FIG. 1). ) And the upper surface 41a of the base member 41 (see FIG. 1).
  • a space excluding the housing portion 163, the partition wall 881, the partition wall 882, and the base member 41 (see FIG. 1) is configured as the water storage portion 164.
  • the water treatment apparatus 220 which concerns on 2nd Embodiment is demonstrated using FIG. 5 and FIG.
  • the water purifier 100 (refer FIG. 1) may be provided with the water treatment apparatus 220 instead of the water treatment apparatus 210 which concerns on 1st Embodiment.
  • the water treatment device 220 includes a case 260.
  • Case 260 is disposed in water purifier 100 (see FIG. 1) so that water can be stored in bottom surface 274 of case 260. That is, the up-down direction in FIG. 5 substantially coincides with the vertical up-down direction.
  • Case 260 includes an inflow portion and an outflow portion.
  • the inflow portion includes an inflow nozzle 261 attached to the case 260 and an inflow port 271 c formed in the case 260.
  • the inflow nozzle 261 and the inflow port 271 c allow water to flow into the case 260.
  • the outflow portion causes water to flow out from the case 260.
  • the outflow portion includes an outflow nozzle 291 attached to the case 260 and an outflow port 271d formed in the case 260. More specifically, the inflow port 271c and the outflow port 271d are formed on the peripheral wall 271 of the outer cylinder 270 described later.
  • a housing portion 263 is formed inside the case 260.
  • the accommodating portion 263 accommodates the additive material 16.
  • the additive 16 is deposited along the vertical direction.
  • a water reservoir 264 is formed inside the case 260.
  • the water reservoir 264 stores water.
  • the outside of the case 260 and the water storage part 264 are communicated with each other by an inflow part. Note that water flows through the water storage unit 264 and the storage unit 263 as described later. Therefore, the water storage unit 264 and the storage unit 263 are part of a passage through which water flows. In the case 260, the water storage part 264 and the storage part 263 are continuous.
  • the case 260 has a cylindrical shape.
  • the case 260 is constituted by an outer cylinder 270 and a partition member 280.
  • the outer cylinder 270 includes a peripheral wall 271, a top wall 272, and a bottom wall 273.
  • the peripheral wall 271 forms the side surface of the case 260.
  • the partition member 280 has a partition wall 281.
  • the partition wall 281 extends in a direction along the vertical direction between the top wall 272 and the bottom wall 273 of the outer cylinder 270.
  • the partition member 280 partitions a space surrounded by the peripheral wall 271, the top wall 272, and the bottom wall 273 of the outer cylinder 270 into a water storage unit 264 and a storage unit 263.
  • the inflow port 271 c is formed in the peripheral wall 271 of the outer cylinder 270.
  • the outlet 271d is formed on the peripheral wall 271 of the outer cylinder 270 so as to face the deposit 266 of the additive 16.
  • the partition wall 281 is in contact with the inner surface 271 a of the peripheral wall 271.
  • the partition wall 281 is in contact with the inner surface 271a on the near side and the inner surface 271a on the far side along the depth direction (vertical direction in FIG. 6) of the case 260. .
  • the water storage portion 264 is formed in a space between the inner surface 271 a of the peripheral wall 271 of the outer cylinder 270 and the wall surface 281 b on one side (left side in FIG. 5) of the partition wall 281 of the partition member 280.
  • the upper end of the water reservoir 264 is a ceiling surface 272d, and the lower end is a bottom surface 274.
  • a space excluding the housing portion 263, the partition member 280, and the base member 42 is configured as a water storage portion 264.
  • the base member 42 is attached to the lower end 281c of the partition wall 281.
  • the upper surface 42a of the base member 42 extends in a direction parallel to the direction in which the bottom surface 274 extends, that is, in a substantially horizontal direction.
  • Other configurations of the base member 42 are the same as the base member 41 (see FIG. 1) of the water treatment device 210 (see FIG. 1) according to the first embodiment.
  • the accommodating portion 263 is formed by a space surrounded by the inner surface 271 a of the peripheral wall 271, the wall surface 281 a on the other side (right side in FIG. 5) of the partition wall 281, the ceiling surface 272 d, and the upper surface 42 a of the base member 42.
  • the position of the upper end 266a of the deposit 266 along the vertical direction substantially coincides with the position of the ceiling surface 272d.
  • the position of the lower end of the deposit 266 along the vertical direction substantially coincides with the position of the upper surface 42 a of the base member 42.
  • the lower end 281c of the partition wall 281 is disposed above the bottom surface 274 so that a space is formed between the partition wall 281 and the bottom surface 274. Therefore, the lower end of the deposit 266 of the additive 16 is disposed above the bottom wall 273.
  • the outlet 271d is disposed between the upper end 266a and the lower end of the deposit 266.
  • the outlet 271d is disposed below the center of the accommodating portion 263 along the vertical vertical direction.
  • the center position of the accommodating portion 263 along the vertical vertical direction is indicated by a horizontal line CL2.
  • the inlet 271c is disposed above the outlet 271d.
  • the water storage portion 264 is formed in a space between the inner surface 271 a of the peripheral wall 271 and the wall surface 281 b on one side (left side in FIG. 6) of the partition wall 281. ing.
  • the housing portion 263 is formed in a space between the inner surface 271a of the peripheral wall 271 and the wall surface 281a on the other side (right side in FIG. 6) of the peripheral wall 271 in a plan view of the case 260.
  • the inflow port 271c and the outflow port 271d are opposed to each other with the partition member 280 interposed therebetween.
  • the diameters of the inner peripheral wall 261c and the inlet 271c of the inflow nozzle 261 and the diameters of the inner peripheral wall 291c and the outlet 271d of the outflow nozzle 291 are substantially the same.
  • the inner peripheral wall 291c and the outlet 271d of the outflow nozzle 291 may be larger in diameter than the inner peripheral wall 261c and the inlet 271c of the inflow nozzle 261.
  • the water containing the component of the additive 16 flows out of the case 260 from the outlet 271d through the inside of the outflow nozzle 291.
  • the position of the water surface inside the case 260 is along the vertical vertical direction. It is a position in the vicinity of the outlet 271d in the direction.
  • the outlet 271d is disposed between the upper end 266a and the lower end of the deposit 266. That is, when the pressure of the water flowing out of the case 260 is not extremely high, the position of the water surface is a position between the upper end 266a and the lower end of the deposit 266.
  • the outlet 271 d is formed not on the top wall 272 of the case 260 but on the peripheral wall 271 of the outer cylinder 270 of the case 260. That is, in the water treatment device 220, the position of the outlet 271d in the direction along the vertical direction is a relatively low position. According to the water treatment device 220, even when the pressure of the water flowing into the case 260 is not so high, the water can easily flow out of the case 260.
  • the water treatment device 220 of the second embodiment includes the case 260.
  • Case 260 includes an inflow portion for allowing water to flow into case 260 and an outflow portion having an outlet 271 d for allowing water to flow out from case 260.
  • the inflow portion includes an inflow nozzle 261 and an inflow port 271c.
  • a housing portion 263 is formed inside the case 260.
  • the accommodating portion 263 accommodates the additive 16 so as to be deposited along the vertical direction.
  • the deposit 266 of the additive 16 deposited in the storage portion 263 has an upper end 266a and a lower end.
  • the outlet 271d of the outflow part is disposed between the upper end 266a and the lower end of the deposit 266.
  • the water that has flowed into the case 260 flows through the case 260 and then flows out of the case 260 through the outlet 271d.
  • the position of the water surface inside the case 260 is a position in the vicinity of the outlet 271d in the direction along the vertical vertical direction.
  • the outlet 271 d is disposed between the upper end 266 a and the lower end of the deposit 266. Therefore, the position of the water surface is a position between the upper end 266a and the lower end of the deposit 266.
  • the part above the outlet 271d is difficult to contact with water. Therefore, the portion above the outlet 271d in the deposit 266 hardly elutes into water.
  • the portion of the deposit 266 below the outlet 271d is almost always immersed in water.
  • the portion of the deposit 266 above the outlet 271d is gradually moved downward by gravity after the portion of the deposit 266 below the outlet 271d is melted.
  • the volume of the part which contacts the water in the whole deposit 266 can be kept constant. Therefore, the elution amount of the additive 16 into the water and the concentration of the component of the additive 16 in the water can be kept constant.
  • the water treatment device 220 it is possible to prevent the concentration of the component of the additive 16 in the water from changing with time.
  • a water storage unit 264 that stores water is formed inside the case 260.
  • the water reservoir 264 and the outside of the case 260 are communicated with each other by an inflow nozzle 261 and an inflow port 271c.
  • the water storage unit 264 and the storage unit 263 are continuous.
  • the water flowing from the outside of the case 260 into the interior passes through the water storage section 264 and then flows into the housing section 263. That is, water that has flowed into the case 260 from the outside does not suddenly contact the additive 16 inside the case 260. Further, the portion of the deposit 266 below the outlet 271d does not contact the water immediately after flowing from the outside of the case 260 into the interior without contacting the order, and contacts the water that has passed through the water storage section 264. . Therefore, the accumulated additive 16 does not elute into water excessively. Thereby, it can prevent that the period until the additive 16 lose
  • the outlet 271d of the outflow portion is disposed below the center of the accommodating portion 263 along the vertical vertical direction.
  • the inflow portion has an inflow port 271 c formed in the case 260.
  • the inflow port 271c is disposed above the outflow port 271d.
  • the water flowing into the case 260 from the inlet 271c can be moved to the lower part of the case 260 by gravity.
  • the water level rises from the lower part inside the case 260 to the outlet 271d.
  • the water can flow out of the case 260 through the outlet 271d by the water pressure of the water flowing through the case 260.
  • water that has flowed into the inside of the case 260 through the inflow port 271c can be flowed out of the case 260 through the outflow port 271d by simply considering the water pressure and gravity. .
  • the inflow portion has an inflow port 271 c formed in the case 260.
  • the outlet 271 d of the outflow part is formed in the case 260.
  • the case 260 has a peripheral wall 271 that forms the side surface of the case 260.
  • the inflow port 271c and the outflow port 271d are formed in the peripheral wall 271.
  • a tubular member (not shown) for circulating the water flowing out to the outside can be easily connected to the inflow nozzle 261 and the outflow nozzle 291 on the outside of the peripheral wall 271, respectively.
  • a tubular member for circulating water that flows into the case 260 and a tubular member for circulating water that flows out of the case 260 extend in a substantially horizontal direction. These tubular members can be particularly easily connected to the inflow nozzle 261 and the outflow nozzle 291.
  • the case 260 is constituted by an outer cylinder 270 and a partition member 280.
  • the outer cylinder 270 has a cylindrical shape and includes a peripheral wall 271, a top wall 272, and a bottom wall 273.
  • the partition member 280 extends in a direction along the vertical direction between the top wall 272 and the bottom wall 273 of the outer cylinder 270.
  • the partition member 280 partitions a space surrounded by the peripheral wall 271, the top wall 272, and the bottom wall 273 of the outer cylinder 270 into a water storage unit 264 and a storage unit 263 that store water.
  • the accommodating portion 263 is formed in a space surrounded by the peripheral wall 271, the top wall 272, the bottom wall 273, and the partition member 280 of the outer cylinder 270.
  • the outlet 271d is formed on the peripheral wall 271 of the outer cylinder 270 so as to face the deposit 266 of the additive 16.
  • the case 260 can be easily formed by the outer cylinder 270 and the partition member 280. Further, the accommodating portion 263 can be easily formed by the partition member 280 extending in the vertical direction between the top wall 272 and the bottom wall 273 of the outer cylinder 270 and the peripheral wall 271 of the outer cylinder 270. .
  • the outlet 271d is formed on the peripheral wall 271 of the outer cylinder 270 so as to face the deposit 266. Thereby, the water in which the components of the additive 16 are dissolved can be easily moved to the outside of the case 260 through the outlet 271d and the outflow portion.
  • the inflow port 271 c is formed in the outer cylinder 270.
  • the lower end of the deposit 266 of the additive 16 is disposed above the bottom wall 273 of the outer cylinder 270.
  • the water inside the case 260 easily moves from the water storage part 264 to the accommodation part 263 so as to pass through the bottom wall 273 of the outer cylinder 270 and the lower end of the deposit 266. Therefore, the water in which the component of the additive 16 is dissolved hardly stays or settles in the space between the bottom wall 273 of the outer cylinder 270 and the lower end of the deposit 266. Thus, according to this configuration, it is possible to prevent water in which the components of the additive 16 are dissolved from remaining in the case 260.
  • the storage portion 263 and the water storage portion 264 are not limited to being partitioned by the base member 42 inside the case 260.
  • the position of the lower end 281c of the partition wall 281 in the direction along the vertical direction substantially coincides with the position of the bottom surface 274 of the case 260, and a hole is formed in the partition wall 281 below the outlet 271d.
  • the storage portion 263 and the water storage portion 264 can be communicated with each other through the vicinity of the lower end of the storage portion 263.
  • the lower end of the deposit 266 is disposed on the bottom surface 274.
  • a net-like member may be disposed between the lower end 281c of the partition wall 281 and the bottom surface 274.
  • This member should just be comprised so that the movement of the granular additive 26 can be restrict
  • the accommodating part 263 and the water storage part 264 can be connected through the vicinity of the lower end of the accommodating part 263.
  • the water treatment device 220 includes the accommodating portion 263, the water storage portion 264, and the outflow portion having the outflow port 271d.
  • the accommodating part 263 has a lower end and accommodates the additive 16 so as to be deposited along the vertical direction. Water flows into the water reservoir 264.
  • the outflow part causes the water that has flowed into the water storage part 264 to flow out of the water storage part 264 through the outlet 271d.
  • the housing part 263 and the water storage part 264 communicate with each other through the lower end of the housing part 263 or the vicinity of the lower end of the housing part 263.
  • the deposit 266 deposited in the storage portion 263 has an upper end and a lower end.
  • the position of the outlet 271d in the direction along the vertical direction is a position between the upper end 266a and the lower end of the deposit 266.
  • the water that flows into the water storage unit 264 flows into the storage unit 263 through the lower end of the storage unit 263 or the vicinity of the lower end of the storage unit 263.
  • the position of the water surface in the accommodating part 263 is a position in the vicinity of the outlet 271d in the direction along the vertical vertical direction. According to the water treatment device 220, the elution amount of the additive 16 into the water and the concentration of the component of the additive 16 in the water can be kept constant.
  • the water treatment apparatus 220 includes a storage portion 263, a water storage portion 264, and an outflow portion having an outlet 271d.
  • the accommodating part 263 has a lower end and accommodates the additive 16 so as to be deposited along the vertical direction.
  • the water storage unit 264 has a bottom surface 274. Water flows into the water reservoir 264.
  • the outflow part causes the water that has flowed into the water storage part 264 to flow out to the outside of the storage part 263 and the water storage part 264 through the outlet 271d.
  • the lower end of the housing part 263 is located above the bottom surface 274 of the water storage part 264.
  • the housing part 263 and the water storage part 264 communicate with each other through the lower end of the housing part 263.
  • the deposit 266 deposited in the storage portion 263 has an upper end 266a and a lower end.
  • the outlet 271d faces the deposit 266 so that the position of the outlet 271d in the direction along the vertical direction is a position between the upper end 266a and the lower end of the deposit 266.
  • the shape of the case 260 is not limited to that shown in FIGS.
  • another shape of the case 260 will be described with reference to FIG.
  • components having the same functions as those of the case 260 shown in FIGS. 5 and 6 are denoted by the same reference numerals.
  • the peripheral wall 271 has a top wall 272 extending in a substantially horizontal direction (see FIG. 7). 5) and the bottom wall 273 (see FIG. 5).
  • 7A and 7B similarly to the case 260 shown in FIGS. 5 and 6, the bottom surface of the top wall 272 is the ceiling surface 272d of the case 260 (FIG. 5).
  • the upper surface of the bottom wall 273 forms the bottom surface 274 of the case 260 (see FIG. 5).
  • the case 260 shown in FIG. 7A has a cylindrical shape.
  • the peripheral wall 271 of the outer cylinder 270 that forms the outer shape of the case 260 has a cylindrical shape.
  • the partition member 280 has a partition wall 281.
  • the partition wall 281 extends vertically downward from the ceiling surface 272d (see FIG. 5).
  • the partition wall 281 is surrounded by the peripheral wall 271 of the outer cylinder 270.
  • the partition wall 281 of the partition member 280 of the case 260 shown in FIG. 7A is in contact with the inner surface 271 a of the peripheral wall 271.
  • the partition wall 281 contacts the inner surface 271a on the near side and the inner surface 271a on the far side along the depth direction of the case 260 (vertical direction in FIG. 7A) in a space surrounded by the inner surface 271a of the peripheral wall 271. is doing.
  • the water storage portion 264 is a space between the inner surface 271a of the peripheral wall 271 and the wall surface 281b on one side of the partition wall 281 (the left side in FIG. 7A). Is formed.
  • the housing portion 263 includes an inner surface 271a of the peripheral wall 271, a wall surface 281a on the other side of the partition wall 281 (right side in FIG. 7A), and a ceiling surface 272d. (See FIG. 5) and a space surrounded by the upper surface 42a of the base member 42 (see FIG. 5).
  • a space excluding the housing portion 263, the partition wall 281, and the base member 42 is configured as a water storage portion 264.
  • the case 260 shown in FIG. 7B has a cylindrical shape.
  • the peripheral wall 271 of the outer cylinder 270 that forms the outer shape of the case 260 has a cylindrical shape.
  • a case 260 shown in FIG. 7B has an inner cylinder 280 as a partition member.
  • the inner cylinder 280 has a peripheral wall 281 as a partition wall.
  • the peripheral wall 281 has a cylindrical shape.
  • the peripheral wall 281 extends vertically downward from the ceiling surface 272d (see FIG. 5).
  • the peripheral wall 281 is surrounded by the peripheral wall 271 of the outer cylinder 270.
  • a part of one side (left side of FIG. 7B) of the peripheral wall 281 of the inner cylinder 280 of the case 260 shown in FIG. 7B is one side of the peripheral wall 271 of the outer cylinder 270 (FIG. 7B). It is separated from the inner surface 271a on the left side.
  • the portion on the other side (right side in FIG. 7B) of the peripheral wall 281 of the inner cylinder 280 is in contact with the inner surface 271a on the other side (right side in FIG. 7B) of the peripheral wall 271.
  • the outer surface on the other side of the peripheral wall 281 is fixed to the inner surface 271 a of the peripheral wall 271 on the other side of the outer tube 270, so that the inner tube 280 is in contact with the outer tube 270.
  • the water reservoir 264 is formed in a space between the inner surface 271a of the peripheral wall 271 and the outer wall surface 281b of the peripheral wall 281.
  • the accommodating portion 263 includes an inner surface 271a of the peripheral wall 271, a wall surface 281a inside the peripheral wall 281, a ceiling surface 272d (see FIG. 5), and a base member 42 (FIG. 5). And a space surrounded by the upper surface 42a.
  • a space excluding the housing portion 263, the partition wall 281, and the base member 42 is configured as a water storage portion 264.
  • the inlet 271c and the outlet 271d are formed on the peripheral wall 271 of the outer cylinder 270 so as to face each other along the width direction of the case 260.
  • the inner cylinder 280 is arranged closer to the outlet 271d than to the inlet 271c.
  • the water treatment apparatus 230 which concerns on 3rd Embodiment is demonstrated using FIG. 8 and FIG.
  • the water purifier 100 (refer FIG. 1) may be provided with the water treatment apparatus 230 instead of the water treatment apparatus 210 which concerns on 1st Embodiment, or the water treatment apparatus 220 which concerns on 2nd Embodiment.
  • the water treatment device 230 includes a case 360.
  • Case 360 is disposed in water purifier 100 (see FIG. 1) so that water can be stored in bottom surface 374 of case 360. That is, the vertical direction in FIG. 8 substantially matches the vertical vertical direction.
  • Case 360 includes an inflow portion and an outflow portion.
  • the inflow portion includes an inflow nozzle 361 attached to the case 360 and an inflow port 371c formed in the case 360.
  • the inflow nozzle 361 and the inflow port 371 c allow water to flow into the case 360.
  • the outflow portion causes water to flow out from the case 360.
  • the outflow portion includes an outflow nozzle 391 attached to the case 360 and an outflow port 371d formed in the case 360. More specifically, the inflow port 371c and the outflow port 371d are formed on a peripheral wall 371 of an outer cylinder 370 to be described later.
  • a housing portion 363 is formed inside the case 360.
  • the accommodating portion 363 accommodates the additive material 16.
  • the additive 16 is deposited along the vertical direction.
  • a water reservoir 364 is formed inside the case 360.
  • the water reservoir 364 stores water.
  • the outside of the case 360 and the water storage part 364 are communicated with each other by an inflow part. Note that water flows through the water storage unit 364 and the storage unit 363 as described later. Therefore, the water storage unit 364 and the storage unit 363 are part of a passage through which water flows. In the case 360, the water storage unit 364 and the storage unit 363 are continuous.
  • the case 360 has a cylindrical shape.
  • the case 360 includes an outer cylinder 370 and a plurality of partition members 380.
  • the outer cylinder 370 includes a peripheral wall 371, a top wall 372, and a bottom wall 373.
  • the partition member 380 has a partition wall 381 and a partition wall 382.
  • the partition wall 381 and the partition wall 382 extend in the direction along the vertical direction between the top wall 372 and the bottom wall 373 so as to be surrounded by the peripheral wall 371 of the outer cylinder 370.
  • the partition wall 381 and the partition wall 382 form a space surrounded by the peripheral wall 371, the top wall 372, and the bottom wall 373 of the outer cylinder 370 into a water storage unit 364 and a storage unit 363 that store water.
  • the inflow port 371c is formed in the peripheral wall 371 of the outer cylinder 370.
  • the outlet 371d is formed in the peripheral wall 371 of the outer cylinder 370 so that the water storage part 364 and the outside of the case 360 are communicated by the outflow part.
  • the outflow port 371d faces the inside of the water reservoir 364.
  • the peripheral wall 371 forms the side surface of the case 360.
  • the case 360 has a substantially cubic shape.
  • a peripheral wall 371 of the outer cylinder 370 forming the outer shape of the case 360 has a cylindrical shape and a square cross section.
  • a space is provided between the partition wall 381 and the partition wall 382 along the left-right direction (width direction of the case 360) in FIG.
  • the partition wall 381 and the partition wall 382 are in contact with the inner surface 371 a of the peripheral wall 371.
  • the partition wall 381 and the partition wall 382 are, respectively, along the depth direction of the case 360 (vertical direction in FIG. 9) and the inner surface 371a on the near side and the inner surface 371a on the far side. In contact with.
  • the water reservoir 364 includes a space between the inner surface 371 a of the peripheral wall 371 of the outer cylinder 370 and the wall surface 381 b on one side (left side in FIG. 9) of the partition wall 381 and the inner surface of the peripheral wall 371. It is formed in the space between 371a and the wall surface 382b on the other side (right side in FIG. 9) of the partition wall 382.
  • the upper end of the water reservoir 364 is a ceiling surface 372d (see FIG. 8), and the lower end is a bottom surface 374 (see FIG. 8).
  • a space excluding the accommodating portion 363, the partition member 380, the partition member 43 (see FIG. 8), and the partition member 44 (see FIG. 8) is configured as the water storage portion 364.
  • the partition member 43 is attached to the partition wall 381 and the bottom wall 373 so as to extend between the lower end 381c of the partition wall 381 and the bottom surface 374.
  • the partition member 44 is attached to the partition wall 382 and the bottom wall 373 so as to extend between the lower end 382 c of the partition wall 382 and the bottom surface 374.
  • the partition member 43 and the partition member 44 are along the depth direction of the case 360 (vertical direction in FIG. 9), similarly to the partition wall 381 and the partition wall 382, respectively.
  • the inner surface 371a on the near side and the inner surface 371a on the far side extend.
  • Other configurations of the partition member 43 and the partition member 44 are the same as the base member 41 (see FIG. 1) of the water treatment device 210 (see FIG. 1) according to the first embodiment.
  • the accommodating portion 363 includes a wall surface 381a on the other side (right side in FIG. 9) of the partition member 43 and the partition wall 381, and a wall surface 382a on one side (left side in FIG. 9) of the partition member 44 and the partition wall 382. And a space surrounded by a ceiling surface 372d (see FIG. 8) and a bottom surface 374 (see FIG. 8).
  • the storage portion 363 is formed by a partition wall 381 and a partition wall 382 so as to be sandwiched between the water storage portions 364.
  • the position of the upper end 366a of the deposit 366 along the vertical direction substantially coincides with the position of the ceiling surface 372d (see FIG. 8).
  • the position of the lower end of the deposit 366 along the vertical direction substantially coincides with the position of the bottom surface 374 of the case 360.
  • the lower end 381c of the partition wall 381 and the lower end 382c of the partition wall 382 are disposed above the bottom surface 374 so that a space is formed between the bottom surface 374. Accordingly, water flows between the lower end 381c of the partition wall 381 and the bottom surface 374 and between the lower end 382c of the partition wall 382 and the bottom surface 374.
  • the upper end of the partition member 43 and the upper end of the partition member 44 are disposed closer to the lower end than the upper end 366a of the deposit 366 in the direction along the vertical direction.
  • the position of the upper end of the partition member 43 and the position of the lower end 381c of the partition wall 381 substantially coincide with each other.
  • the position of the upper end of the partition member 44 and the position of the lower end 382c of the partition wall 382 substantially coincide with each other.
  • the lower end 381c of the partition wall 381 and the lower end 382c of the partition wall 382 are the deposit 366 so that the upper end of the partition member 43 and the upper end of the partition member 44 are disposed below the upper end 366a of the deposit 366. What is necessary is just to be arrange
  • the position of the outlet 371d in the direction along the vertical direction is a position between the upper end 366a and the lower end of the deposit 366.
  • the outlet 371d is disposed below the center of the accommodating portion 363 along the vertical vertical direction.
  • the position of the center of the accommodating portion 363 along the vertical vertical direction is indicated by a horizontal line CL3.
  • the inflow port 371c is disposed above the outflow port 371d.
  • the lower end 381c of the partition wall 381 and the lower end 382c of the partition wall 382 are disposed between the outlet 371d and the bottom surface 374 along the vertical vertical direction.
  • the inflow port 371c and the outflow port 371d are opposed to each other with the partition member 380 interposed therebetween.
  • the diameters of the inner wall 361c and the inflow port 371c of the inflow nozzle 361 and the diameters of the inner wall 391c and the outflow port 371d of the outflow nozzle 391 are substantially the same. Or the diameter of the inner wall 391c of the outflow nozzle 391 and the outflow port 371d should just be larger than the diameter of the inner wall 361c of the inflow nozzle 361 and the inflow port 371c.
  • the water that has flowed into the case 360 from the outside through the inflow port 371c flows through the water reservoir 364 facing the inflow port 371c.
  • the water that has passed through the water storage unit 364 flows from the water storage unit 364 into the storage unit 363 by passing through the partition member 43. While the water flows through the storage portion 363 and while the water stays in the storage portion 363, when the water contacts the additive 16 and the additive 16 is eluted into the water, the components are mixed into the water. .
  • the water containing the component of the additive 16 flows out from the storage portion 363 to the water storage portion 364 facing the outlet 371d by passing through the partition member 44.
  • the water that flows out to the water reservoir 364 facing the outflow port 371d flows out of the case 360 from the outflow port 371d through the inside of the outflow nozzle 391.
  • the position of the water surface inside the case 360 is along the vertical vertical direction. It is a position in the vicinity of the outlet 371d.
  • the outlet 371d is disposed between the upper end 366a and the lower end of the deposit 366. That is, when the pressure of the water flowing out of the case 360 is not extremely high, the position of the water surface is a position between the upper end 366a and the lower end of the deposit 366.
  • the position of the outlet 371d in the direction along the vertical direction is a relatively low position. According to the water treatment device 230, even when the pressure of the water that flows into the case 360 is not so high, the water can easily flow out of the case 360.
  • the water treatment device 230 of the third embodiment includes the case 360.
  • Case 360 includes an inflow portion for allowing water to flow into case 360 and an outflow portion having an outlet 371d for allowing water to flow out from case 360.
  • the inflow portion includes an inflow nozzle 361 and an inflow port 371c.
  • a housing part 363 is formed inside the case 360.
  • the accommodating part 363 accommodates so that the additive 16 may be deposited along a perpendicular direction.
  • the deposit 366 of the additive 16 deposited in the storage portion 363 has an upper end 366a and a lower end.
  • the position of the outlet 371d of the outflow portion in the direction along the vertical direction is a position between the upper end 366a and the lower end of the deposit 366.
  • the water that flows into the case 360 flows through the case 360 and then flows out to the outside of the case 360 through the outlet 371d.
  • the position of the water surface inside the case 360 is a position in the vicinity of the outlet 371d in the direction along the vertical vertical direction.
  • the position of the outlet 371d in the direction along the vertical direction is a position between the upper end 366a and the lower end of the deposit 366. Therefore, the position of the water surface is a position between the upper end 366a and the lower end of the deposit 366.
  • the part above the outflow port 371d is difficult to contact with water. Therefore, a portion of the deposit 366 above the outlet 371d hardly elutes into water.
  • the portion of the deposit 366 below the outlet 371d is almost always immersed in water.
  • the portion of the deposit 366 above the outlet 371d is gradually moved downward by gravity after the portion of the deposit 366 below the outlet 371d is melted.
  • the volume of the part which contacts the water in the whole deposit 366 can be kept constant. Therefore, the elution amount of the additive 16 into the water and the concentration of the component of the additive 16 in the water can be kept constant.
  • the water treatment device 230 it is possible to prevent the concentration of the component of the additive 16 in the water from changing with time.
  • a water storage unit 364 that stores water is formed inside the case 360.
  • the water reservoir 364 and the outside of the case 360 are communicated with each other by an inflow nozzle 361 and an inflow port 371c.
  • the water storage unit 364 and the storage unit 363 are continuous.
  • the water that flows into the inside from the outside of the case 360 passes through the water storage section 364 and then flows into the housing section 363. That is, water that has flowed into the case 360 from the outside does not suddenly come into contact with the additive 16 inside the case 360. Further, the portion of the deposit 366 below the outlet 371d does not contact the water immediately after flowing into the interior from the outside of the case 360 without contacting the order, and contacts the water that has passed through the water storage section 364. . Therefore, the accumulated additive 16 does not elute into water excessively. Thereby, it can prevent that the period until the additive 16 lose
  • the outflow portion outlet 371d is disposed below the center of the accommodating portion 363 along the vertical vertical direction.
  • the inflow portion has an inlet 371 c formed in the case 360.
  • the inflow port 371c is disposed above the outflow port 371d.
  • the water flowing into the case 360 from the inflow port 371c can be moved to the lower part inside the case 360 by gravity.
  • the water level rises from the lower part inside the case 360 to the outlet 371d.
  • the water can flow out to the outside of the case 360 through the outlet 371d by the water pressure of the water flowing through the inside of the case 360.
  • water that has flowed into the case 360 from the outside through the inflow port 371c can be flowed out to the outside of the case 360 through the outflow port 371d by simply considering the water pressure and gravity. .
  • the inflow portion has an inlet 371 c formed in the case 360.
  • An outflow portion 371 d of the outflow portion is formed in the case 360.
  • the case 360 has a peripheral wall 371 that forms a side surface of the case 360.
  • the inflow port 371c and the outflow port 371d are formed in the peripheral wall 371.
  • a tubular member (not shown) for circulating water flowing out to the outside can be easily connected to the inflow nozzle 361 and the outflow nozzle 391 on the outside of the peripheral wall 371, respectively.
  • tubular members for circulating water flowing into the case 360 and a tubular member for circulating water flowing out of the case 360 extend in a substantially horizontal direction
  • These tubular members can be particularly easily connected to the inflow nozzle 361 and the outflow nozzle 391.
  • the case 360 is configured by an outer cylinder 370, a partition wall 381 and a partition wall 382 as partition members.
  • the outer cylinder 370 has a cylindrical shape and includes a peripheral wall 371, a top wall 372, and a bottom wall 373.
  • the partition wall 381 and the partition wall 382 extend in the direction along the vertical direction between the top wall 372 and the bottom wall 373 so as to be surrounded by the peripheral wall 371 of the outer cylinder 370.
  • the partition wall 381 and the partition wall 382 partition a space surrounded by the peripheral wall 371, the top wall 372, and the bottom wall 373 of the outer cylinder 370 into a water storage unit 364 that stores water and a storage unit 363.
  • the inflow port 371 c is formed in the outer cylinder 370.
  • the storage portion 363 is formed by a partition wall 381 and a partition wall 382 so as to be sandwiched between the water storage portions 364.
  • the case 360 has a bottom surface 374 that supports water and contacts the water.
  • the position of the lower end of the deposit 366 of the additive 16 substantially matches the position of the bottom surface 374 of the case 360.
  • the lower end 381c of the partition wall 381 and the lower end 382c of the partition wall 382 are respectively disposed between the outlet 371d and the bottom surface 374 along the vertical vertical direction.
  • the water storage part 364 is formed in the case 360 so as to surround the housing part 363. Thereby, the volume of the water storage part 364 can be expanded. Therefore, even when a large amount of water temporarily flows into the case 360, the water can be temporarily retained in the water storage unit 364. That is, even when a large amount of water is temporarily introduced into the case 360, the entire large amount of water is prevented from contacting the deposit 366 of the additive 16. Thus, according to this structure, the increase in the elution amount of the additive 16 can be prevented.
  • the outlet 371d is formed in the peripheral wall 371 of the outer cylinder 370 so that the water storage part 364 and the outside of the case 360 are communicated by the outflow part.
  • the outflow portion can be easily formed in the peripheral wall 371 of the outer cylinder 370 of the case 360.
  • the water containing the eluted component 16 of the additive 16 moves from the storage portion 363 to the water storage portion 364 and then flows out of the case 360.
  • the components of the eluted additive 16 can be appropriately mixed with water and then flowed out of the case 360 through the outlet 371d.
  • the water treatment device 230 includes a storage portion 363, a water storage portion 364, and an outflow portion having an outflow port 393.
  • the accommodating portion 363 has a lower end and accommodates the additive 16 so as to be deposited along the vertical direction. Water flows into the water reservoir 364.
  • the outflow portion causes the water that has flowed into the water storage portion 364 to flow out of the water storage portion 364 through the outflow port 371d.
  • the deposit 366 deposited in the storage portion 363 has an upper end 366a and a lower end.
  • the position of the outlet 371d in the direction along the vertical direction is a position between the upper end 366a and the lower end of the deposit 366.
  • the water that has flowed into the water storage unit 364 flows into the storage unit 363 through the lower end of the storage unit 363 or the vicinity of the lower end of the storage unit 363.
  • the position of the water surface in the accommodating part 363 is a position in the vicinity of the outlet 371d in the direction along the vertical vertical direction. According to the water treatment device 230, the elution amount of the additive 16 into the water and the concentration of the component of the additive 16 in the water can be kept constant.
  • the water treatment device 230 includes a storage portion 363, a water storage portion 364, an outflow portion having an outlet 371d, and partition members 43 and 44.
  • the accommodating portion 363 has a lower end and accommodates the additive 16 so as to be deposited along the vertical direction. Water flows into the water reservoir 364.
  • the outflow part causes the water that has flowed into the water storage part 364 to flow out to the outside of the storage part 363 and the water storage part 364 through the outlet 371d.
  • the deposit 366 deposited in the accommodating portion 363 has an upper end 366a and a lower end.
  • the partition members 43 and 44 are disposed between the storage portion 363 and the water storage portion 364.
  • the partition members 43 and 44 support the additive 16 in the storage portion 363 and allow the water storage portion 364 and the storage portion 363 to communicate with each other.
  • the upper end of the partition member 43 and the upper end of the partition member 44 are disposed below the upper end 366a of the deposit 366.
  • the outlet 371d faces the interior of the water storage section 364 so that the position of the outlet 371d in the direction along the vertical direction is a position between the upper end 366a and the lower end of the deposit 366.
  • the water that has flowed into the water storage unit 364 flows into the storage unit 363 through the partition member 43. Between the storage part 363 and the water storage part 364, the water in the storage part 363 passes through the partition member 43 to one water storage part 364 (the water storage part 364 on the left in FIG. 8) or the other water storage part through the partition member 44. 364 (the water reservoir 364 on the right side of FIG. 8).
  • the position of the water surface in the accommodating part 363 and the water storage part 364 is a position in the vicinity of the outlet 371d in the direction along the vertical vertical direction. According to the water treatment device 230, the elution amount of the additive 16 into the water and the concentration of the component of the additive 16 in the water can be kept constant.
  • the shape of the case 360 is not limited to what is shown by FIG. 8 and FIG.
  • another shape of the case 360 will be described with reference to FIG.
  • components having the same functions as those of the case 360 shown in FIGS. 8 and 9 are denoted by the same reference numerals.
  • the peripheral wall 371 has a top wall 372 (see FIG. 8) and a bottom wall 373 extending in a substantially horizontal direction, respectively, as in the case 360 shown in FIGS. (See FIG. 8) extends vertically up and down.
  • the lower surface of the top wall 372 forms the ceiling surface 372d (see FIG. 8) of the case 360, similarly to the case 360 shown in FIGS.
  • the top surface of the bottom wall 373 forms a bottom surface 374 of the case 360 (see FIG. 8).
  • the case 360 shown in FIG. 10 has a cylindrical shape.
  • a peripheral wall 371 of the outer cylinder 370 that forms the outer shape of the case 360 has a cylindrical shape.
  • the partition member 380 has a partition wall 381 and a partition wall 382. The partition wall 381 and the partition wall 382 extend vertically downward from the ceiling surface 372d (see FIG. 8).
  • a space is provided between the partition wall 381 and the partition wall 382 along the left-right direction (width direction of the case 360) in FIG.
  • the partition wall 381 and the partition wall 382 are in contact with the inner surface 371 a of the peripheral wall 371.
  • the partition wall 381 and the partition wall 382 are, in a space surrounded by the inner surface 371a of the peripheral wall 371, along the depth direction (vertical direction in FIG. 10) of the case 360, respectively, the inner surface 371a on the near side and the inner surface 371a on the far side. In contact with.
  • the other configuration of the case 360 shown in FIG. 10 is the same as the configuration of the case 360 shown in FIGS.
  • a water treatment device 210 provided with a case 160 shown in FIGS. 1 and 2 was prepared.
  • the depth inside the case 160 along the vertical vertical direction from the ceiling surface 172d to the bottom surface 174 of the case 160 was 230 mm.
  • the inner diameter of the peripheral wall 171 of the outer cylinder 170 was 56 mm.
  • the inner diameter of the peripheral wall 181 of the inner cylinder 180 was 45 mm.
  • the diameter of the inner wall 194 and the outlet 193 of the outflow pipe 190 was 16 mm.
  • interval along the up-down direction of the lower end 192 of the outflow pipe 190 and the lower end (namely, upper surface 41a of the base member 41) of the accommodating part 163 was 50 mm.
  • the inner diameter of the inner peripheral wall 161c of the inflow port 172a and the inflow nozzle 161a was 46 mm.
  • the outer diameter of the inner peripheral wall 161c of the inflow port 172a and the inflow nozzle 161a was 54 mm.
  • water having a water temperature adjusted to 17 ° C. and hardness adjusted to 45 mg / L-CaCO 3 was used as the water flowing through the case 160.
  • water was introduced from the outside to the inside of the case 160 through the inflow port 172a at a flow rate of 2 L / min.
  • the water flowing into the case 160 is allowed to flow from the inside of the case 160 to the outside through the water outlet 193 and the outlet pipe 190 after passing through the water storage part 164 and the accommodating part 163. .
  • the EDTA titration method was used to measure the water hardness.
  • the water treatment apparatus 290 (refer FIG. 11) as a comparative example was used.
  • the difference between the water treatment device 290 and the water treatment device 210 according to the first embodiment is that, in the water treatment device 290, a deposit of the additive 16 is formed by forming an outlet 993 on the top wall 972 of the outer cylinder 970.
  • the outflow port 993 was disposed above the 966. Therefore, in the water treatment device 290, the water flows through the entire accommodating portion 963 from below to above.
  • the outlet 993 is formed at the center of the top wall 972.
  • An outflow nozzle 991 is attached to the top wall 972.
  • the inner peripheral wall 992 and the outlet 993 of the outflow nozzle 991 are continuous at the top wall 972.
  • the diameter of the inner peripheral wall 992 of the outflow port 993 and the outflow nozzle 991 is larger than the width of the inner peripheral wall 961c of the inflow port 972a and the inflow nozzle 961a.
  • the depth inside the case 960 along the vertical vertical direction from the ceiling surface 972d to the bottom surface 974 (that is, the upper surface of the bottom wall 973) of the case 960 was 230 mm.
  • the inner diameter of the peripheral wall 971 of the outer cylinder 970 was 56 mm.
  • the inner diameter of the peripheral wall 981 of the inner cylinder 980 was 45 mm.
  • the diameter of the inner peripheral wall 992 of the outlet 993 and the outflow nozzle 991 was 16 mm.
  • the inner diameter of the inlet 972a and the inner peripheral wall 961c of the inflow nozzle 961a was 46 mm.
  • the outer diameter of the inner peripheral wall 961c of the inflow port 972a and the inflow nozzle 961a was 54 mm.
  • Comparative Example 220 g of calcium sulfate (manufactured by Ako Kasei Co., Ltd.) was used as the additive 16 as in the example.
  • the distance along the vertical direction between the upper end of the deposit 966 and the lower end of the accommodating portion 963 (that is, the upper surface 49a of the base member 49) was 160 mm.
  • the other configuration of the water treatment device 290 was the same as that of the water treatment device 210 (see FIGS. 2 to 3).
  • the water circulating in the case 960 was used as the water circulating in the case 960.
  • water was introduced from the outside of the case 960 to the inside through the inlet 972a at a flow rate of 2 L / min.
  • the water flowing into the case 960 was allowed to flow out from the inside of the case 960 through the outlet 993 and the outflow nozzle 991 after passing through the water storage unit 964 and the storage unit 963. .
  • the EDTA titration method was used for the measurement of water hardness.
  • FIG. 12 shows the results obtained by Examples and Comparative Examples.
  • the hardness of water changed between about 250 to 350 mg / L-CaCO 3 from the start of the experiment until the accumulated water flow reached nearly 500 L.
  • the hardness of water is extremely higher than in the example.
  • the hardness of water gradually decreased as the integrated water flow amount increased.
  • the outlet 993 is disposed above the upper end of the deposit 166. It was confirmed that it was possible to prevent the change in the concentration of the component of the additive 16 in water over time, compared to the comparative water treatment apparatus 290.
  • a water treatment device capable of preventing a change in the concentration of the component of the additive in water over time and a water purifier equipped with the water treatment device.
  • a water treatment apparatus for adding an additive to water and a water purifier provided with the water treatment apparatus it is particularly useful for a water treatment apparatus for adding an additive to water and a water purifier provided with the water treatment apparatus.
  • SYMBOLS 100 Water purifier, 160: Case, 163: Storage part, 164: Water storage part, 166: Deposit, 170: Outer cylinder, 171: Perimeter wall, 172: Top wall, 172a: Inlet, 172c: Opening, 173: Bottom Wall: 174: bottom surface, 180: inner cylinder, 181: peripheral wall, 190: outflow pipe, 191: upper end, 192: lower end, 193: outlet, 210: water treatment device, C1: central axis

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  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
PCT/JP2013/057146 2012-03-16 2013-03-14 水処理装置およびそれを備えた浄水器 WO2013137378A1 (ja)

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JPS61114720A (ja) * 1984-11-10 1986-06-02 Nippon Soda Co Ltd 消毒剤成形物溶解器
JPS61146391A (ja) * 1984-12-20 1986-07-04 Hanakawa:Kk ミネラル水の連続製造装置
JPS63133399U (zh) * 1987-02-20 1988-08-31
JPH02126817A (ja) * 1988-11-05 1990-05-15 Koichi Nishikawa 天然石を素材とする飲食物の品質向上用器具又は装置
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JPH0910777A (ja) * 1995-06-30 1997-01-14 Mitsubishi Materials Corp マグネシウムイオン冨加水供給装置
JP2000325952A (ja) * 1999-05-19 2000-11-28 Mitsubishi Rayon Co Ltd 容 器
JP2005279431A (ja) * 2004-03-29 2005-10-13 Hinode Kokan Kk 流体の活性化方法
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