JP2010274156A - Additive for water treatment and water treatment apparatus - Google Patents

Additive for water treatment and water treatment apparatus Download PDF

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JP2010274156A
JP2010274156A JP2009126364A JP2009126364A JP2010274156A JP 2010274156 A JP2010274156 A JP 2010274156A JP 2009126364 A JP2009126364 A JP 2009126364A JP 2009126364 A JP2009126364 A JP 2009126364A JP 2010274156 A JP2010274156 A JP 2010274156A
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additive
water treatment
layer
water
component
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Masaki Kuwabara
正樹 桑原
Hiromi Sakai
陽 坂井
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Panasonic Electric Works Co Ltd
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Panasonic Electric Works Co Ltd
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Priority to JP2009126364A priority Critical patent/JP2010274156A/en
Priority to PCT/JP2010/058803 priority patent/WO2010137579A1/en
Priority to TW99116833A priority patent/TW201111293A/en
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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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/14—Additives which dissolves or releases substances when predefined environmental conditions are reached, e.g. pH or temperature

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  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an additive for water treatment and a water treatment apparatus for supplying mixed water having a substantially fixed concentration while downsizing the water treatment apparatus. <P>SOLUTION: The additive 1 is formed by being solidified into a tablet shape while having a three-layer structure of an outer layer 2, a middle layer 3 and an inner layer 4 having different constitution of additive components in each layer, the outer layer 2 having the largest surface area is constituted with the additive component having low solubility, the inner layer 4 having the smallest surface area is constituted with the additive component having high solubility and the middle layer 3 located in the middle is constituted with the additive component having solubility of the intermediate extent between the outer layer 2 and the inner layer 4, whereby, even when the additive 1 is dissolved and the surface area decreases, the component having a substantially fixed concentration can be mixed with water. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、水処理用添加剤およびその添加剤を用いた水処理装置に関する。   The present invention relates to an additive for water treatment and a water treatment apparatus using the additive.

従来、所望成分（電解質の高濃度水溶液）を水に混合させる装置として、所望成分を貯留する貯留タンクに連通した導入管をベンチュリ部を介して原水の流通管に接続し、原水がベンチュリ部を通過する際に発生する負圧を利用して貯留タンク内の所望成分を吸引し、原水と所望成分とを混合させるようにしたものが知られている（たとえば、特許文献１参照）。   Conventionally, as a device for mixing a desired component (high concentration aqueous solution of an electrolyte) with water, an introduction pipe communicating with a storage tank for storing the desired component is connected to a distribution pipe for raw water through the venturi section, and the raw water is connected to the venturi section. There is known one that sucks in a desired component in a storage tank using a negative pressure generated when it passes and mixes raw water and the desired component (for example, see Patent Document 1).

この特許文献１では、ベンチュリ部に導入される原水の流速、つまり、原水の流量に応じて負圧値が変化するのを利用して所望成分の導入量を調節することでほぼ一定濃度の混合水を供給できるようにしている。   In Patent Document 1, mixing of a substantially constant concentration is achieved by adjusting the amount of introduction of a desired component by utilizing the flow rate of raw water introduced into the venturi section, that is, the negative pressure value changes according to the flow rate of the raw water. The water can be supplied.

特開２００５−２３８０６２号公報JP 2005-238062 A

しかしながら、かかる従来の技術では、所望成分をベンチュリ部を介して原水に混合させるために所望成分を溜めておく貯留タンクが必要となるため、装置全体が大型化してしまうという問題があった。   However, in this conventional technique, a storage tank for storing the desired component is required to mix the desired component with the raw water via the venturi section, so that there is a problem that the entire apparatus becomes large.

そこで、本発明は、小型化を図りつつ、ほぼ一定濃度の混合水を供給することのできる水処理用添加剤および水処理装置を得ることを目的とする。   Then, an object of this invention is to obtain the water treatment additive and water treatment apparatus which can supply the mixed water of a substantially constant density | concentration, aiming at size reduction.

請求項１の発明にあっては、原水に添加成分を混合して活水化する水処理用添加剤において、前記水処理用添加剤は、添加成分の構成を異にする少なくとも２層以上の複数層をもって固形化されていることを特徴とする。   In the invention of claim 1, in the additive for water treatment in which the additive component is mixed with the raw water to be activated, the additive for water treatment is a plurality of at least two layers different in the composition of the additive component. It is solidified with a layer.

請求項２の発明にあっては、原水に添加成分を混合して活水化する水処理用添加剤において、前記水処理用添加剤は、添加成分と凝固成分との配合比を異にする少なくとも２層以上の複数層をもって固形化されていることを特徴とする。   In the invention of claim 2, in the additive for water treatment in which the additive component is mixed with raw water and activated, the additive for water treatment has at least a different mixing ratio of the additive component and the coagulating component. It is characterized by being solidified with two or more layers.

請求項３の発明にあっては、原水に添加成分を混合して活水化する水処理用添加剤において、前記水処理用添加剤は、添加成分の比重を異にする少なくとも２層以上の複数層をもって固形化されていることを特徴とする。   In the invention of claim 3, in the additive for water treatment in which the additive component is mixed with raw water and activated, the additive for water treatment is a plurality of at least two layers having different specific gravity of the additive component. It is solidified with a layer.

請求項４の発明にあっては、請求項１または請求項２に記載の水処理用添加剤において、前記水処理用添加剤の各層は、添加成分の比重を併せて異にすることを特徴とする。   According to a fourth aspect of the present invention, in the water treatment additive according to the first or second aspect, each layer of the water treatment additive has different specific gravity of the additive component. And

請求項５の発明にあっては、請求項１に記載の水処理用添加剤において、前記水処理用添加剤の各層は、添加成分と凝固成分との配合比を併せて異にすることを特徴とする。   In the invention of claim 5, in the additive for water treatment according to claim 1, each layer of the additive for water treatment is different in combination ratio of the additive component and the coagulation component. Features.

請求項６の発明にあっては、請求項５に記載の水処理用添加剤において、前記水処理用添加剤の各層は、添加成分の比重を併せて異にすることを特徴とする。   The invention of claim 6 is characterized in that, in the additive for water treatment according to claim 5, each layer of the additive for water treatment has different specific gravity of the additive component.

請求項７の発明にあっては、請求項１〜６のうちいずれか１項に記載の水処理用添加剤を用いた水処理装置である。   In invention of Claim 7, it is a water treatment apparatus using the additive for water treatment of any one of Claims 1-6.

請求項１の発明によれば、水処理用添加剤の各層の添加成分の構成を、表面積の大きい外側の層から表面積が小さくなる内側の層に行くにつれて溶解度の高い成分構成となるようにすることができる。これにより、水処理用添加剤が溶解して、水との接触面積が減少した場合であっても、ほぼ一定の濃度の成分を水に混合させることができるようになる。   According to the first aspect of the present invention, the composition of the additive component in each layer of the water treatment additive is made to be a component composition having a higher solubility from the outer layer having a larger surface area to the inner layer having a smaller surface area. be able to. Thus, even when the water treatment additive is dissolved and the contact area with water is reduced, it becomes possible to mix components with a substantially constant concentration into water.

請求項２の発明によれば、水処理用添加剤の各層の添加成分の構成を、表面積の大きい外側の層から表面積が小さくなる内側の層に行くにつれて凝固成分の配合比が低くなるようにすることができる。これにより、水処理用添加剤が溶解して、水との接触面積が減少した場合であっても、ほぼ一定の濃度の成分を水に混合させることができるようになる。   According to the invention of claim 2, the composition of the additive component of each layer of the water treatment additive is set so that the blending ratio of the coagulation component decreases from the outer layer having a larger surface area to the inner layer having a smaller surface area. can do. Thus, even when the water treatment additive is dissolved and the contact area with water is reduced, it becomes possible to mix components with a substantially constant concentration into water.

請求項３の発明によれば、水処理用添加剤の各層の添加成分の構成を、表面積の大きい外側の層から表面積が小さくなる内側の層に行くにつれて比重が軽くなる添加成分とすることができる。これにより、水処理用添加剤の溶解初期は、添加剤が重いため水に沈んだ状態となっているため、水と添加成分との接触度合いが低くなる一方、水処理用添加剤の溶解の進捗により内側の層が表面化するようになると、比重が軽くなるため水流により添加剤が徐々に攪拌されて添加剤と水との接触度合いが高まり、水処理用添加剤の使用初期から末期に亘ってほぼ一定の濃度の成分を水に混合させることができるようになる。   According to the invention of claim 3, the composition of the additive component of each layer of the water treatment additive may be an additive component whose specific gravity becomes lighter from the outer layer having a larger surface area toward the inner layer having a smaller surface area. it can. As a result, the initial stage of dissolution of the water treatment additive is in a state of sinking in water because the additive is heavy, while the degree of contact between the water and the additive component is reduced, while the dissolution of the water treatment additive is reduced. As the inner layer becomes surface due to progress, the specific gravity becomes lighter, so the additive is gradually agitated by the water flow to increase the degree of contact between the additive and water, and the water treatment additive is used from the beginning to the end of use. Thus, it becomes possible to mix components of almost constant concentration into water.

請求項４の発明によれば、請求項１または請求項２の水処理用添加剤の各層の添加成分の比重を併せて異にしたので、請求項３の効果も併せて持つことができる。   According to the invention of claim 4, since the specific gravity of the additive component of each layer of the water treatment additive of claim 1 or claim 2 is made different, the effect of claim 3 can be obtained.

請求項５の発明によれば、請求項１の水処理用添加剤の各層の添加成分と凝固成分との配合比を併せて異にしたので、請求項２の効果も併せて持つことができる。   According to the invention of claim 5, since the blending ratio of the additive component of each layer of the water treatment additive of claim 1 and the coagulation component is made different together, the effect of claim 2 can also be obtained. .

請求項６の発明によれば、請求項５の水処理用添加剤の各層の添加成分の比重を併せて異にしたので、請求項３の効果も併せて持つことができる。   According to the invention of claim 6, since the specific gravity of the additive component in each layer of the water treatment additive of claim 5 is also made different, the effect of claim 3 can also be obtained.

請求項７の発明によれば、装置の小型化を図りつつ、水処理用添加剤の使用初期から末期に亘ってほぼ一定の濃度水を得ることができる。   According to the seventh aspect of the invention, it is possible to obtain substantially constant concentration water from the initial use to the end of use of the water treatment additive while downsizing the apparatus.

図１は、本発明の第１実施形態にかかる水処理用添加剤を用いた水処理装置で、添加剤の使用初期状態を模式的に示す断面図である。FIG. 1 is a cross-sectional view schematically showing an initial use state of an additive in a water treatment apparatus using a water treatment additive according to a first embodiment of the present invention. 図２は、本発明の第１実施形態にかかる水処理用添加剤を模式的に示す断面図である。FIG. 2 is a cross-sectional view schematically showing the water treatment additive according to the first embodiment of the present invention. 図３は、本発明の第２実施形態にかかる水処理用添加剤を模式的に示す断面図である。FIG. 3 is a cross-sectional view schematically showing the water treatment additive according to the second embodiment of the present invention. 図４は、本発明の第３実施形態にかかる水処理用添加剤を模式的に示す断面図である。FIG. 4 is a cross-sectional view schematically showing the water treatment additive according to the third embodiment of the present invention. 図５は、図４に示す水処理用添加剤を用いた水処理装置で、添加剤の使用末期状態を模式的に示す断面図である。FIG. 5 is a cross-sectional view schematically showing an end-of-use state of the additive in the water treatment apparatus using the water treatment additive shown in FIG. 4.

以下、本発明の実施形態について図面を参照しながら詳細に説明する。なお、以下の複数の実施形態には、同様の構成要素が含まれている。よって、以下では、それら同様の構成要素には共通の符号を付与するとともに、重複する説明を省略する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that similar components are included in the following embodiments. Therefore, in the following, common reference numerals are given to those similar components, and redundant description is omitted.

（第１実施形態）図１および図２は、本発明にかかる水処理用添加剤および水処理装置の第１実施形態を示しており、本実施形態にかかる水処理装置１０は、水処理用添加剤（以下、単に添加剤と称する）１の添加成分を、飲用しようとする水に混合して活水化するものである。   (First Embodiment) FIGS. 1 and 2 show a first embodiment of a water treatment additive and a water treatment apparatus according to the present invention. A water treatment apparatus 10 according to this embodiment is for water treatment. An additive component of additive 1 (hereinafter simply referred to as additive) is mixed with water to be drunk to be activated.

添加剤１は、図２に示すように、水に溶解される添加成分を錠剤状に固形化することで形成されており、本実施形態では、各層で添加成分の構成を異にする外層２、中層３、内層４の３層構造となっている。   As shown in FIG. 2, the additive 1 is formed by solidifying an additive component dissolved in water into a tablet, and in this embodiment, the outer layer 2 has a different configuration of the additive component in each layer. A three-layer structure of an intermediate layer 3 and an inner layer 4 is formed.

このように３層構造とした添加剤１を溶解させると、当初は外層２の外側が表面となり、溶解が進捗されるにしたがって中層３の外側が表面となり、次いで、内層４の外側が表面となる。したがって、添加剤１は、外層２から中層３を経て内層４へと溶解されるにつれて各層の表面積が減少し、水と接触する面積が徐々に減少する。つまり、外層２が水と接触する面積が最も大きく、中層３から内層４へと順次水との接触面積が少なくなり、それに伴って添加成分の溶解量が減少されることになる。   When the additive 1 having a three-layer structure is dissolved in this way, the outer side of the outer layer 2 initially becomes the surface, the outer side of the intermediate layer 3 becomes the surface as the dissolution progresses, and then the outer side of the inner layer 4 becomes the surface. Become. Therefore, as the additive 1 is dissolved from the outer layer 2 through the middle layer 3 to the inner layer 4, the surface area of each layer decreases, and the area in contact with water gradually decreases. That is, the area in which the outer layer 2 is in contact with water is the largest, and the contact area with water is gradually reduced from the middle layer 3 to the inner layer 4, and the amount of dissolved additive components is reduced accordingly.

そこで、添加剤１の表面積の最も大きい外層２を溶解度の低い（溶解速度が遅い）添加成分で構成し、表面積の最も小さい内層４を溶解度の高い（溶解速度が早い）添加成分で構成し、そして、それぞれの中間に位置する中層３を外層２と内層４との中間程度の溶解度となる添加成分で構成した。   Therefore, the outer layer 2 having the largest surface area of the additive 1 is composed of an additive component having a low solubility (slow dissolution rate), and the inner layer 4 having the smallest surface area is composed of an additive component having a high solubility (fast dissolution rate). And the middle layer 3 located in the middle of each was comprised with the additive component used as the intermediate | middle solubility of the outer layer 2 and the inner layer 4.

本実施形態では、水に添加する所望成分としてカルシウムを用い、添加剤１の各層２、３、４の構成を、外層２を溶解度が低い硫酸カルシウムで構成し、中層３を溶解度が中程度の乳酸カルシウムで構成し、内層４を溶解度が高いグリセロリン酸カルシウムで構成している。   In the present embodiment, calcium is used as a desired component to be added to water, the layers 2, 3 and 4 of the additive 1 are composed of the outer layer 2 of calcium sulfate having a low solubility and the middle layer 3 having a medium solubility. It is made of calcium lactate, and the inner layer 4 is made of calcium glycerophosphate having high solubility.

水処理装置１０は、上記添加剤１を用いて原水を活水化するようになっており、図１に示すように、添加剤１を収納する添加室１１を有し、この添加室１１の上端開口部１１ａに、原水導入管１２と活水吐出管１３とが連通されている。   The water treatment apparatus 10 is configured to activate raw water using the additive 1 and has an addition chamber 11 for storing the additive 1 as shown in FIG. The raw water introduction pipe 12 and the live water discharge pipe 13 are communicated with the opening 11a.

原水導入管１２は、添加室１１の上端開口部１１ａの片側ほぼ半分に開口（開口部１２ａ）するとともに、活水吐出管１３は、上端開口部１１ａの他側ほぼ半分に開口（開口部１３ａ）している。そして、原水導入管１２の開口部１２ａから添加室１１に流入した原水は、添加室１１内の添加剤１と接触して活水化された後、開口部１３ａから活水吐出管１３へと流出される。なお、原水導入管１２および活水吐出管１３の開口部１２ａ、１３ａにはメッシュ１４が取り付けられており、メッシュ１４によって添加室１１内の添加剤１が原水導入管１２や活水吐出管１３に入り込むのを阻止できるようにしている。   The raw water introduction pipe 12 opens to one half of the upper end opening 11a of the addition chamber 11 (opening 12a), and the live water discharge pipe 13 opens to the other half of the upper end opening 11a (opening 13a). is doing. And the raw | natural water which flowed into the addition chamber 11 from the opening part 12a of the raw | natural water introduction pipe | tube 12 contacts the additive 1 in the addition room | chamber 11, and is activated, Then, it flows out into the active water discharge pipe 13 from the opening part 13a. The A mesh 14 is attached to the openings 12 a and 13 a of the raw water introduction pipe 12 and the live water discharge pipe 13, and the additive 1 in the addition chamber 11 enters the raw water introduction pipe 12 and the live water discharge pipe 13 by the mesh 14. To prevent it.

そして、原水導入管１２から添加室１１に流入した原水は、添加室１１内に収納した添加剤１と接触して添加成分が混合されて活水化され、活水が飲用水として供給される。   And the raw | natural water which flowed into the addition chamber 11 from the raw | natural water introduction pipe | tube 12 contacts the additive 1 accommodated in the addition chamber 11, an additive component is mixed and activated, and active water is supplied as drinking water.

以上説明したように、本実施形態では、各層で添加成分の構成を異にする外層２、中層３，内層４の複数層をもって固形化することで添加剤１を形成し、添加剤１の各層２，３，４の添加成分の構成を、表面積の大きい外側の層から表面積が小さくなる内側の層に行くにつれて溶解度の高い成分構成となるようにした。   As described above, in the present embodiment, the additive 1 is formed by solidifying with a plurality of layers of the outer layer 2, the middle layer 3, and the inner layer 4, which have different constituent components in each layer, and each layer of the additive 1 is formed. The composition of the added components of 2, 3, and 4 was such that the composition of the component with higher solubility increased from the outer layer having a larger surface area toward the inner layer having a smaller surface area.

すなわち、添加剤１の構成を、表面積の大きい外層２を溶解度の低い成分構成とし、その外層２よりも表面積が小さくなる中側の層、つまり、中層３そして内層４へと行くにつれて段階的に溶解度が高くなる成分構成とした。   That is, the composition of the additive 1 is such that the outer layer 2 having a large surface area is a component composition having a low solubility, and gradually increases toward the middle layer having a smaller surface area than the outer layer 2, that is, the middle layer 3 and the inner layer 4. It was set as the component structure which becomes high in solubility.

そのため、添加剤１が溶解して添加剤１の表面積、つまり、添加剤１と水との接触面積が減少したとしても、所望成分（本実施形態ではカルシウム）の溶出量をほぼ一定にすることが可能となり、ほぼ一定の濃度の成分を水に混合させることができる。したがって、添加剤１の使用初期から末期に亘ってほぼ一定の濃度水を得ることができるようになる。また、添加剤１を用いることで、水処理装置１０の構成をより簡素化することができる上、水処理装置１０の小型化を図ることも可能となる。   Therefore, even if the additive 1 is dissolved and the surface area of the additive 1, that is, the contact area between the additive 1 and water is reduced, the elution amount of the desired component (calcium in this embodiment) is made substantially constant. This makes it possible to mix almost constant concentrations of components with water. Accordingly, it is possible to obtain water having a substantially constant concentration from the initial use to the final use of the additive 1. Further, by using the additive 1, the configuration of the water treatment apparatus 10 can be further simplified, and the water treatment apparatus 10 can be downsized.

また、上記水処理装置１０を用いることで、上述した添加剤１の効果を発揮しつつ、添加成分を混合した活水を安定的に供給することができる。   Moreover, the active water which mixed the additive component can be stably supplied by using the said water treatment apparatus 10, exhibiting the effect of the additive 1 mentioned above.

（第２実施形態）図３は、本発明の第２実施形態を示している。   (Second Embodiment) FIG. 3 shows a second embodiment of the present invention.

本実施形態にかかる添加剤１Ａは、上記第１実施形態と同様に、外層２Ａ、中層３Ａ、内層４Ａの３層で形成されており、水に溶解する添加成分を錠剤状に固形化することで形成されている。   The additive 1A according to the present embodiment is formed of three layers, an outer layer 2A, an intermediate layer 3A, and an inner layer 4A, as in the first embodiment, and solidifies the additive component dissolved in water into a tablet. It is formed with.

そして、本実施形態にかかる添加剤１Ａが上記第１実施形態にかかる添加剤１と主に異なる点は、各層２Ａ、３Ａ、４Ａで添加成分と凝固成分との配合比を異にしたことにある。   The main difference between the additive 1A according to the present embodiment and the additive 1 according to the first embodiment is that the mixing ratio of the additive component and the coagulating component is different in each layer 2A, 3A, 4A. is there.

具体的には、表面積の最も大きい外層２Ａは、凝固成分の配合比を高くし、表面積の最も小さい内層４Ａは、凝固成分の配合比を低くし、そして、それぞれの中間に位置する中層３Ａは、凝固成分の配合比を外層２Ａと内層４Ａとの中間程度としている。なお、凝固成分としては、デンプンやセルロースなどを用いることができる。   Specifically, the outer layer 2A having the largest surface area increases the blending ratio of the solidifying component, the inner layer 4A having the smallest surface area decreases the blending ratio of the solidifying component, and the middle layer 3A located in the middle of each of the inner layers 4A The blending ratio of the coagulation component is set to an intermediate level between the outer layer 2A and the inner layer 4A. In addition, starch, cellulose, etc. can be used as a coagulation component.

そして、本実施形態では、添加成分として乳酸カルシウムを用いた場合を例示し、乳酸カルシウムと凝固成分との配合比を、外層２Ａで７：３、中層３Ａで８：２、内層４Ａで９：１となるようにしている。   And in this embodiment, the case where calcium lactate is used as an additive component is illustrated, and the blending ratio of calcium lactate and coagulation component is 7: 3 for the outer layer 2A, 8: 2 for the middle layer 3A, and 9: for the inner layer 4A. It is set to 1.

また、本実施形態にあっても、添加剤１Ａを用いる水処理装置として、上記第１実施形態（図１参照）に示した水処理装置１０を用いている。すなわち、添加室１１に添加剤１Ａを収納することにより構成されている。   Moreover, also in this embodiment, the water treatment apparatus 10 shown to the said 1st Embodiment (refer FIG. 1) is used as a water treatment apparatus using the additive 1A. That is, it is configured by storing the additive 1 </ b> A in the addition chamber 11.

以上の本実施形態によれば、各層で添加成分と凝固成分との配合比を異にする外層２Ａ、中層３Ａ，内層４Ａの複数層をもって固形化し、添加剤１Ａの各層の添加成分と凝固成分との配合比を、表面積の大きい外層２Ａでは高く、その外層２Ａよりも表面積が小さくなる中側の層、つまり、中層３Ａそして内層４Ａへと行くにつれて段階的に低くなるようにしたため、添加剤１Ａが溶解して、表面積、つまり、添加剤１Ａと水との接触面積が減少したとしても、所望成分の溶出量をほぼ一定にすることが可能となり、ほぼ一定の濃度の成分を水に混合させることができる。したがって、添加剤１Ａの使用初期から末期に亘ってほぼ一定の濃度水を得ることができるようになる。このように、本実施形態にあっても、添加剤１Ａを用いることで、水処理装置１０の構成をより簡素化することができる上、水処理装置１０の小型化を図ることも可能となる。   According to the present embodiment described above, a plurality of layers of the outer layer 2A, the middle layer 3A, and the inner layer 4A having different mixing ratios of the additive component and the coagulation component in each layer are solidified, and the additive component and the coagulation component of each layer of the additive 1A are solidified. The additive ratio is increased in the outer layer 2A having a large surface area, and gradually decreases toward the middle layer having a smaller surface area than the outer layer 2A, that is, the middle layer 3A and the inner layer 4A. Even if 1A dissolves and the surface area, that is, the contact area between additive 1A and water, decreases, the elution amount of the desired component can be made substantially constant, and components of almost constant concentration are mixed with water. Can be made. Therefore, it becomes possible to obtain a substantially constant concentration of water from the initial use to the final use of the additive 1A. Thus, even in the present embodiment, by using the additive 1A, the configuration of the water treatment apparatus 10 can be further simplified, and the water treatment apparatus 10 can be downsized. .

また、上記水処理装置１０を用いることで、上述した添加剤１Ａの効果を発揮しつつ、添加成分を混合した活水を安定的に供給することができる。   Moreover, by using the water treatment apparatus 10, it is possible to stably supply the active water mixed with the additive components while exhibiting the effect of the additive 1A described above.

（第３実施形態）図４および図５は、本発明の第３実施形態を示している。   (Third Embodiment) FIGS. 4 and 5 show a third embodiment of the present invention.

本実施形態にかかる添加剤１Ｂは、上記第１実施形態と同様に、外層２Ｂ、中層３Ｂ、内層４Ｂの３層で形成されており、水に溶解する添加成分を錠剤状に固形化することで形成されている。   The additive 1B according to the present embodiment is formed of three layers, an outer layer 2B, an intermediate layer 3B, and an inner layer 4B, as in the first embodiment, and solidifies the additive components dissolved in water into a tablet shape. It is formed with.

そして、本実施形態にかかる添加剤１Ｂが上記第１実施形態の添加剤１と主に異なる点は、各層２Ｂ、３Ｂ、４Ｂで添加成分の比重を異にしたことにある。   The main difference between the additive 1B according to the present embodiment and the additive 1 according to the first embodiment is that the specific gravity of the additive component is made different between the layers 2B, 3B, and 4B.

具体的には、表面積の最も大きい外層２Ｂは比重が重くなる添加成分とし、表面積の最も小さい内層４Ｂは比重が軽くなる添加成分、特に、本実施形態では比重が水よりも軽くなる添加成分とし、そして、それぞれの中間に位置する中層３Ｂの添加成分は、比重を外層２Ｂと内層４Ｂとの中間程度としている。   Specifically, the outer layer 2B having the largest surface area is an additive component having a higher specific gravity, and the inner layer 4B having the smallest surface area is an additive component having a lighter specific gravity. In particular, in this embodiment, the additive component having a specific gravity that is lighter than water. In addition, the additive component of the middle layer 3B located in the middle of each has a specific gravity intermediate between the outer layer 2B and the inner layer 4B.

このとき、各層の比重の違いは、たとえば、添加成分に混合するバインダーの比重を異ならせることによって達成でき、また、添加成分の空隙率を異ならせることによっても達成することができる。   At this time, the difference in specific gravity of each layer can be achieved, for example, by varying the specific gravity of the binder mixed with the additive component, and also by varying the porosity of the additive component.

また、本実施形態にあっても、添加剤１Ｂを用いる水処理装置として、上記第１実施形態（図１参照）に示した水処理装置１０を用いている。すなわち、添加室１１に添加剤１Ｂを収納することにより構成されている。   Moreover, also in this embodiment, the water treatment apparatus 10 shown to the said 1st Embodiment (refer FIG. 1) is used as a water treatment apparatus using the additive 1B. That is, it is configured by storing the additive 1 </ b> B in the addition chamber 11.

以上の本実施形態によれば、各層で添加成分の比重を異にする外層２Ａ、中層３Ａ，内層４Ａの複数層をもって固形化し、添加剤１Ｂの各層の比重を、表面積の大きい外層２Ａを重く、その外層２Ｂよりも表面積が小さくなる中側の層、つまり、中層３Ｂそして内層４Ｂへと行くにつれて段階的に軽くしたため、添加剤１Ｂの溶解初期は、添加成分が重く水に沈んだ状態となって添加成分と水との接触度合いが低くなる。   According to the above-described embodiment, the outer layer 2A, the middle layer 3A, and the inner layer 4A having different specific gravity of the additive component in each layer are solidified, and the specific gravity of each layer of the additive 1B is increased with respect to the outer layer 2A having a large surface area. The intermediate layer having a smaller surface area than the outer layer 2B, ie, the intermediate layer 3B and the inner layer 4B are lightened in stages, so that the additive component 1B is initially in a state where the additive component is heavily submerged in water. As a result, the degree of contact between the additive component and water decreases.

一方、添加剤１Ｂの溶解の進捗により中層３Ｂ、次いで内層４Ｂが表面化するようになると、比重が軽くなるため、図５に示すように、添加剤１Ｂが徐々に水に浮遊するようになって攪拌される。そして、このように浮遊した添加剤１Ｂは、水流により攪拌されることで、水との接触度合いが高まるため、添加剤１Ｂが溶解して表面積が減少したとしても、所望成分の溶出量をほぼ一定にすることが可能となり、ほぼ一定の濃度の成分を水に混合させることができる。したがって、添加剤１Ｂの使用初期から末期に亘ってほぼ一定の濃度の成分を水に混合させることができるようになる。このように、本実施形態にあっても、添加剤１Ａを用いることで、水処理装置１０の構成をより簡素化することができる上、水処理装置１０の小型化を図ることも可能となる。   On the other hand, when the middle layer 3B and then the inner layer 4B come to the surface due to the progress of dissolution of the additive 1B, the specific gravity becomes lighter, so that the additive 1B gradually floats in water as shown in FIG. Stir. And since additive 1B which floated in this way is stirred by a water flow, since the contact degree with water increases, even if additive 1B melt | dissolves and a surface area reduces, the amount of elution of a desired component is substantially reduced. It becomes possible to make it constant, and it is possible to mix almost constant concentrations of components with water. Therefore, it becomes possible to mix components with a substantially constant concentration in the water from the initial use to the end of use of the additive 1B. Thus, even in the present embodiment, by using the additive 1A, the configuration of the water treatment apparatus 10 can be further simplified, and the water treatment apparatus 10 can be downsized. .

また、上記水処理装置１０を用いることで、上述した添加剤１Ａの効果を発揮しつつ、添加成分を混合した活水を安定的に供給することができる。   Moreover, by using the water treatment apparatus 10, it is possible to stably supply the active water mixed with the additive components while exhibiting the effect of the additive 1A described above.

ところで、添加剤の構成として、上記第１実施形態では、各層の添加成分の構成を異にした場合（これを第１の条件とする）を示し、第２実施形態では、各層の添加成分と凝固成分との配合比を異にした場合（これを第２の条件とする）を示し、第３実施形態では、各層の添加成分の比重を異にした場合（これを第３の条件とする）を示したが、これら第１の条件、第２の条件および第３の条件を適宜併用することが可能である。   By the way, as a structure of an additive, the said 1st Embodiment shows the case where the structure of the additive component of each layer is made different (this is made into the 1st condition), and in 2nd Embodiment, the additive component of each layer and The case where the blending ratio with the coagulation component is made different (this is the second condition) is shown. In the third embodiment, the specific gravity of the additive component of each layer is made different (this is the third condition). The first condition, the second condition, and the third condition can be used in combination as appropriate.

たとえば、上記第１実施形態に示した第１の条件に、第２の条件または第３の条件、若しくはそれら第２の条件と第３の条件の両方を併せて添加剤を形成することができる。   For example, the additive can be formed by combining the first condition shown in the first embodiment with the second condition, the third condition, or both the second condition and the third condition. .

この場合は、第１実施形態の作用効果に加えて、第２の条件を併用した場合は、第２実施形態の作用効果を併せて発揮することができ、第３の条件を併用した場合は、第３実施形態の作用効果を併せて発揮することができ、また、第２の条件および第３の条件を併用した場合は、第２実施形態および第３実施形態のそれぞれの作用効果を併せて発揮することができる。   In this case, in addition to the effects of the first embodiment, when the second condition is used in combination, the effects of the second embodiment can be exhibited together, and when the third condition is used in combination. The effects of the third embodiment can be exhibited together, and when the second condition and the third condition are used in combination, the effects of the second embodiment and the third embodiment are combined. Can be demonstrated.

また、第２実施形態に示した第２の条件に、第３の条件を併せて添加剤を形成することができる。   Further, the additive can be formed by combining the second condition shown in the second embodiment with the third condition.

この場合は、第２実施形態の作用効果に加えて、第３実施形態の作用効果を併せて発揮することができる。   In this case, in addition to the operational effects of the second embodiment, the operational effects of the third embodiment can be exhibited together.

以上、本発明の好適な実施形態について説明したが、本発明は上記実施形態には限定されず、種々の変形が可能である。たとえば、錠剤化した添加剤は、外層、中層、内層の３層構造とした場合を示したが、これに限ることなく２層構造や４層以上の構造でもよい。   The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made. For example, although the tableted additive has been described as having a three-layer structure of an outer layer, a middle layer, and an inner layer, the present invention is not limited to this and may be a two-layer structure or a structure of four or more layers.

１、１Ａ、１Ｂ 添加剤（水処理用添加剤）
２、２Ａ、２Ｂ 外層
３、３Ａ、３Ｂ 中層
４、４Ａ、４Ｂ 内層
１０ 水処理装置 1, 1A, 1B additive (additive for water treatment)
2, 2A, 2B Outer layer 3, 3A, 3B Middle layer 4, 4A, 4B Inner layer 10 Water treatment device

Claims (7)

原水に添加成分を混合して活水化する水処理用添加剤において、
前記水処理用添加剤は、添加成分の構成を異にする少なくとも２層以上の複数層をもって固形化されていることを特徴とする水処理用添加剤。 In the additive for water treatment that mixes additive components with raw water and activates it,
The water treatment additive is solidified with a plurality of layers of at least two or more layers different in the composition of the additive component. 原水に添加成分を混合して活水化する水処理用添加剤において、
前記水処理用添加剤は、添加成分と凝固成分との配合比を異にする少なくとも２層以上の複数層をもって固形化されていることを特徴とする水処理用添加剤。 In the additive for water treatment that mixes additive components with raw water and activates it,
The water treatment additive, wherein the water treatment additive is solidified with a plurality of layers of at least two layers having different blending ratios of the additive component and the coagulation component. 原水に添加成分を混合して活水化する水処理用添加剤において、
前記水処理用添加剤は、添加成分の比重を異にする少なくとも２層以上の複数層をもって固形化されていることを特徴とする水処理用添加剤。 In the additive for water treatment that mixes additive components with raw water and activates it,
The water treatment additive is solidified with at least two or more layers having different specific gravity of the additive component. 前記水処理用添加剤の各層は、添加成分の比重を併せて異にすることを特徴とする請求項１または請求項２に記載の水処理用添加剤。   3. The water treatment additive according to claim 1, wherein the layers of the water treatment additive have different specific gravities of additive components. 4. 前記水処理用添加剤の各層は、添加成分と凝固成分との配合比を併せて異にすることを特徴とする請求項１に記載の水処理用添加剤。   2. The water treatment additive according to claim 1, wherein each layer of the water treatment additive has different blending ratios of the additive component and the coagulation component. 3. 前記水処理用添加剤の各層は、添加成分の比重を併せて異にすることを特徴とする請求項５に記載の水処理用添加剤。   The water treatment additive according to claim 5, wherein the layers of the water treatment additive have different specific gravities of additive components. 請求項１〜６のうちいずれか１項に記載の水処理用添加剤を用いたことを特徴とする水処理装置。   A water treatment apparatus using the water treatment additive according to any one of claims 1 to 6.
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