JP3537138B2 - Dissolved inorganic substance adsorption device, dissolved inorganic substance adsorption method and dissolved inorganic substance adsorbent - Google Patents
Dissolved inorganic substance adsorption device, dissolved inorganic substance adsorption method and dissolved inorganic substance adsorbentInfo
- Publication number
- JP3537138B2 JP3537138B2 JP2002151348A JP2002151348A JP3537138B2 JP 3537138 B2 JP3537138 B2 JP 3537138B2 JP 2002151348 A JP2002151348 A JP 2002151348A JP 2002151348 A JP2002151348 A JP 2002151348A JP 3537138 B2 JP3537138 B2 JP 3537138B2
- Authority
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- Japan
- Prior art keywords
- adsorbent
- dissolved inorganic
- dissolved
- inorganic substance
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Treatment Of Liquids With Adsorbents In General (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
Description
【0001】[0001]
【発明の属する技術分野】本発明は、ヒ素などの溶存無
機物を溶解水から除去するための溶存無機物吸着装置、
溶存無機物吸着方法および溶存無機物吸着剤に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for adsorbing dissolved inorganic substances, such as arsenic, for removing dissolved inorganic substances from dissolved water.
The present invention relates to a dissolved inorganic matter adsorption method and a dissolved inorganic matter adsorbent.
【0002】[0002]
【従来の技術】水に溶存するヒ素を除去する従来の技術
として、例えば、特開昭52−9963号公報、特開昭
52−48592号公報および特開昭62−12169
1号公報に示すものがある。すなわち、酸化鉄を吸着剤
として水を吸着剤でろ過し、ヒ素を吸着させて除去する
ようになっている。しかしながら、ヒ素を吸着した酸化
鉄は、次第に固まって水の通過を妨げ、処理量を減少さ
せるという問題があった。この問題を解決するため、定
期的に排出口から流入口へ逆流させて目詰まりを除く方
法がある。2. Description of the Related Art Conventional techniques for removing arsenic dissolved in water include, for example, JP-A-52-9963, JP-A-52-48592 and JP-A-62-1269.
There is one disclosed in Japanese Patent Publication No. That is, water is filtered with an adsorbent using iron oxide as an adsorbent, and arsenic is adsorbed and removed. However, there has been a problem that the arsenic-adsorbed iron oxide gradually solidifies and hinders the passage of water, thereby reducing the throughput. In order to solve this problem, there is a method of removing the clogging by periodically flowing back from the outlet to the inlet.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、逆流を
用いた従来技術では、逆流により目詰まりを解消してい
る間、ヒ素の除去処理が停止し、それにより処理量が減
少するという課題があった。However, in the prior art using the backflow, there is a problem that the arsenic removal processing is stopped while clogging is eliminated by the backflow, thereby reducing the throughput. .
【0004】本発明は、このような従来の課題に着目し
てなされたもので、処理量を保ちながら連続処理を可能
にする溶存無機物吸着装置、溶存無機物吸着方法および
溶存無機物吸着剤を提供することを目的としている。The present invention has been made in view of such conventional problems, and provides a dissolved inorganic substance adsorbing apparatus, a dissolved inorganic substance adsorbing method, and a dissolved inorganic substance adsorbent which enable continuous treatment while maintaining a processing amount. It is aimed at.
【0005】[0005]
【課題を解決するための手段】上記目的を達成するため
に、本発明に係る溶存無機物吸着装置は、底部に流入口
を有し上部に排出口を有する処理タンクと、螺旋状に巻
かれた薄片形状を有し、前記処理タンクの内部に収容さ
れた溶存無機物の吸着剤と、前記吸着剤を前記処理タン
クの内部で浮き上がって回転するよう攪拌させる圧力で
前記流入口に溶存無機物の溶解水を送るポンプとを、有
することを特徴とする。In order to achieve the above object, a dissolved inorganic matter adsorption apparatus according to the present invention is spirally wound with a treatment tank having an inlet at the bottom and an outlet at the top. Dissolved inorganic matter adsorbent having a flake shape and contained in the processing tank, and dissolved water of the dissolved inorganic matter in the inflow port at a pressure to stir the adsorbent so as to float and rotate inside the processing tank. And a pump for feeding the pressure.
【0006】本発明に係る溶存無機物吸着方法は、底部
に流入口を有し上部に排出口を有し、螺旋状に巻かれた
薄片形状を有する溶存無機物の吸着剤が収容された処理
タンクの内部に前記流入口から溶存無機物の溶解水を送
り、前記吸着剤を前記処理タンクの内部で浮き上がって
回転するよう攪拌させて前記吸着剤に溶存無機物を吸着
させることを、特徴とする。The method for adsorbing dissolved inorganic matter according to the present invention is directed to a treatment tank having an inlet at the bottom and an outlet at the top, and containing a helically wound flake-shaped dissolved inorganic adsorbent. Dissolved water of the dissolved inorganic substance is sent into the inside from the inflow port, and the adsorbent is stirred so as to float and rotate inside the processing tank to adsorb the dissolved inorganic substance to the adsorbent.
【0007】本発明に係る溶存無機物吸着装置は、ポン
プにより底部の流入口に溶存無機物の溶解水を送り、処
理タンクの内部に収容された溶存無機物の吸着剤に溶存
無機物を吸着させる。吸着剤は、ポンプの圧力により処
理タンクの内部で攪拌される。本発明に係る溶存無機物
吸着装置および溶存無機物吸着方法では、吸着剤の攪拌
により、吸着剤がそれぞれ離れて吸着剤の間に流路が確
保される。こうして、吸着剤の目詰まりを防止し、処理
量を保ちながら連続処理が可能となる。また、吸着剤
は、圧力を加えられて攪拌されることにより表面が擦れ
て、吸着した部分を剥離させ、吸着効果を保つことがで
きる。処理された水は、上部の排出口から排出される。
なお、吸着剤は、処理タンクの内部に、攪拌されるのに
十分な空間をあけて収容される。[0007] In the dissolved inorganics adsorption apparatus according to the present invention, the dissolved inorganics adsorbent is accommodated in the treatment tank by sending dissolved inorganics dissolved water to the bottom inlet by a pump. The adsorbent is stirred inside the processing tank by the pressure of the pump. In the dissolved inorganic matter adsorption apparatus and the dissolved inorganic matter adsorption method according to the present invention, the adsorbents are separated from each other by the stirring of the adsorbent, and a flow path is secured between the adsorbents. In this manner, clogging of the adsorbent is prevented, and continuous processing can be performed while maintaining the processing amount. In addition, the surface of the adsorbent is rubbed by applying pressure and being stirred, so that the adsorbed portion is peeled off and the adsorbing effect can be maintained. The treated water is discharged from the upper outlet.
Note that the adsorbent is accommodated in the processing tank with a sufficient space for stirring.
【0008】本発明に係る溶存無機物吸着装置および溶
存無機物吸着方法で処理される溶存無機物は、例えばヒ
素であり、用いられる吸着剤は、例えば、鉄または酸化
鉄である。The dissolved inorganic substance treated by the dissolved inorganic substance adsorption apparatus and the dissolved inorganic substance adsorption method according to the present invention is, for example, arsenic, and the adsorbent used is, for example, iron or iron oxide.
【0009】本発明に係る溶存無機物吸着装置では、前
記流入口は噴出部が複数設けられ、前記吸着剤は螺旋状
の薄片形状を有することが好ましい。この場合、流入口
の噴出部が複数設けられているため、複数の噴出部から
流入する溶解水が、干渉し合って吸着剤の攪拌効果を高
めることができる。また、吸着剤が螺旋状の薄片から成
るため、螺旋による間隙で流路を確保しやすく、目詰ま
りを起こしにくい。さらに、吸着剤は、螺旋状のため、
ポンプの圧力を受けて動きやすく、目詰まりを起こしに
くいうえ、表面が擦れやすく、吸着した部分を剥離させ
て吸着効果を保つことができる。また、吸着剤は、螺旋
状のため、表面積が大きく、吸着量が大きい。螺旋状の
薄片には、例えば、ヒ素の除去には、鋼鉄の旋盤による
切り屑を用いることが好ましい。In the apparatus for adsorbing dissolved inorganic matter according to the present invention, it is preferable that the inflow port is provided with a plurality of ejection sections, and the adsorbent has a spiral flake shape. In this case, since a plurality of outlets at the inflow port are provided, dissolved water flowing from the plurality of outlets can interfere with each other to enhance the effect of stirring the adsorbent. In addition, since the adsorbent is formed of spiral flakes, it is easy to secure a flow path in the gap formed by the spiral, and it is unlikely to cause clogging. Furthermore, since the adsorbent is spiral,
It is easy to move under the pressure of the pump, is less likely to cause clogging, and has a surface that is easily rubbed, and the adsorbed portion can be peeled off to maintain the adsorbing effect. In addition, since the adsorbent is spiral, it has a large surface area and a large amount of adsorption. For the helical flakes, for example, it is preferable to use cuttings from a steel lathe to remove arsenic.
【0010】本発明に係る溶存無機物吸着装置は、遠心
分離機を有し、前記遠心分離機は入口と出口とを有し、
前記入口は前記排出口に接続され、前記入口からの流入
物から固形物を遠心分離により分離して、処理した水を
前記出口から排出する構成を有することが好ましい。[0010] The dissolved inorganic matter adsorbing apparatus according to the present invention has a centrifugal separator, the centrifugal separator has an inlet and an outlet,
Preferably, the inlet is connected to the outlet, and has a configuration in which solid matter is separated from the inflow from the inlet by centrifugation, and treated water is discharged from the outlet.
【0011】この場合、処理タンクの排出口から排出さ
れた水は、遠心分離機の入口からその内部に入る。処理
タンクの排出口からの排水には、吸着剤から剥離した吸
着部分などの固形物が混じっているが、それらの固形物
は遠心分離機の内部で遠心分離により水から分離され
る。これにより、吸着剤のうち無機物が吸着された部分
のみを処分することができるので、吸着剤すべてを交換
する場合に比べて、廃棄物の量を減少させることができ
る。In this case, the water discharged from the discharge port of the processing tank enters the centrifuge through the inlet. The wastewater from the discharge port of the treatment tank contains solid matter such as an adsorbed portion separated from the adsorbent, and the solid matter is separated from water by centrifugation inside the centrifuge. Thus, only the portion of the adsorbent on which the inorganic substance has been adsorbed can be disposed of, so that the amount of waste can be reduced as compared with the case where all the adsorbents are replaced.
【0012】本発明に係る溶存無機物吸着装置は、前記
ポンプと前記流入口との間の流路に流圧により回転して
流路を流れる溶解水の流速を変化させる回転羽根を有す
ることが好ましい。この場合、回転羽根の回転により流
路の断面積が変化するため、流路を流れる溶解水の流速
が変化する。このため、処理タンクの底部の流入口から
流速が変化した水が内部に入り、吸着剤を攪拌しやすく
する。[0012] The dissolved inorganic matter adsorption apparatus according to the present invention preferably has a rotating blade for rotating a flow path between the pump and the inlet by a flow pressure to change a flow rate of dissolved water flowing through the flow path. . In this case, since the cross-sectional area of the flow path changes due to the rotation of the rotary blade, the flow velocity of the dissolved water flowing through the flow path changes. For this reason, the water whose flow velocity has changed from the inlet at the bottom of the processing tank enters the inside, and the adsorbent is easily stirred.
【0013】本発明に係る溶存無機物吸着剤は、螺旋状
の薄片形状を有することを、特徴とする。本発明に係る
溶存無機物吸着剤は、螺旋による間隙で流路を確保しや
すく、目詰まりを起こしにくい。さらに、本発明に係る
溶存無機物吸着剤は、螺旋状のため、ポンプの圧力を受
けて動きやすく、目詰まりを起こしにくいうえ、表面が
擦れやすく、吸着した部分を剥離させて吸着効果を保つ
ことができる。また、本発明に係る溶存無機物吸着剤
は、螺旋状のため、表面積が大きく、吸着量が大きい。
螺旋状の薄片には、例えば、ヒ素の除去には、鋼鉄の旋
盤による切り屑を用いることが好ましい。The dissolved inorganic adsorbent according to the present invention is characterized in that it has a spiral flake shape. The dissolved inorganic adsorbent according to the present invention can easily secure a flow path in a gap formed by a spiral, and does not easily cause clogging. Furthermore, since the dissolved inorganic adsorbent according to the present invention is helical, it easily moves under the pressure of the pump, hardly causes clogging, and the surface is easily rubbed, and the adsorbed portion is peeled off to maintain the adsorbing effect. Can be. Further, the dissolved inorganic adsorbent according to the present invention has a large surface area and a large amount of adsorption due to the spiral shape.
For the helical flakes, for example, it is preferable to use cuttings from a steel lathe to remove arsenic.
【0014】[0014]
【発明の実施の形態】以下、図面に基づき、本発明の実
施の形態について説明する。図1乃至図4は、本発明の
実施の形態を示している。図1および図2に示すよう
に、溶存無機物吸着装置が、処理タンク1と、溶存無機
物の吸着剤2と、ポンプ3と、遠心分離機4と、磁気処
理機5とを有している。Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of the present invention. As shown in FIGS. 1 and 2, the dissolved inorganic substance adsorption device includes a processing tank 1, a dissolved inorganic substance adsorbent 2, a pump 3, a centrifugal separator 4, and a magnetic processor 5.
【0015】処理タンク1は、円筒部11と底部12と
上部13とを有し、密閉されている。底部12は円筒部
11の一端開口を閉じ、上部13は他端開口を閉じてい
る。処理タンク1は、底部12の中央に流入口14を有
し上部13に排出口15を有している。流入口14は、
管から成る。The processing tank 1 has a cylindrical portion 11, a bottom portion 12, and an upper portion 13, and is sealed. The bottom part 12 closes one end opening of the cylindrical part 11, and the top part 13 closes the other end opening. The processing tank 1 has an inlet 14 at the center of the bottom 12 and an outlet 15 at the top 13. The inlet 14 is
Consists of a tube.
【0016】処理タンク1は、内部の底部12付近に底
部12から間隔をあけて円筒部11を横断する隔壁16
を有している。隔壁16は、円筒部11の内部の底部1
2付近に密閉された間隙17を形成している。図3に示
すように、隔壁16には、複数のストレーナ18が設け
られている。各ストレーナ18は、隔壁16を横断し、
間隙17側に流入口を有し、反対側の円筒部11の内部
にスリット状の流出口を有している。複数のストレーナ
18は、処理タンク1の流入口14の複数の噴出部を構
成する。隔壁16の上部13には、各ストレーナ18が
埋まる程度の高さまで砂利6が詰められている。砂利6
は、吸着剤2の支持材である。The processing tank 1 is provided with a partition wall 16 that crosses the cylindrical portion 11 at a distance from the bottom portion 12 near the bottom portion 12 inside.
have. The partition 16 is provided at the bottom 1 inside the cylindrical portion 11.
A closed gap 17 is formed in the vicinity of 2. As shown in FIG. 3, a plurality of strainers 18 are provided on the partition wall 16. Each strainer 18 traverses the bulkhead 16,
An inflow port is provided on the gap 17 side, and a slit-shaped outflow port is provided inside the cylindrical portion 11 on the opposite side. The plurality of strainers 18 constitute a plurality of ejection portions of the inlet 14 of the processing tank 1. Gravel 6 is packed in the upper part 13 of the partition 16 to such a height that each strainer 18 is buried. Gravel 6
Is a support material for the adsorbent 2.
【0017】排出口15は、2つのストレーナ15a,
15bから成っている。各ストレーナ15a,15b
は、上部にスリット状の流入口を有し、下部に流出口を
有している。流出口は、排出管19に接続され支持され
ている。排出管19は、円筒部11の側面に貫通して固
定されている。The outlet 15 has two strainers 15a,
15b. Each strainer 15a, 15b
Has a slit-shaped inlet at the upper part and an outlet at the lower part. The outlet is connected to and supported by the discharge pipe 19. The discharge pipe 19 penetrates and is fixed to the side surface of the cylindrical portion 11.
【0018】溶存無機物の吸着剤2は、螺旋状の薄片形
状を有している。吸着剤2は、鋼鉄の旋盤による切り屑
(切りこ)から成っており、例えば、巾3乃至4ミリ、
長さ約10ミリの鋼鉄の薄片が直径5ミリ程度の螺旋状
に巻かれて成っている。吸着剤2は、ヒ素の吸着効果を
高めるため、表面に赤錆が形成されている。鉄および酸
化鉄は、ヒ素を吸着する効果を有する。吸着剤2は、処
理タンク1の内部に、攪拌されるのに十分な空間をあけ
て収容されている。The dissolved inorganic adsorbent 2 has a spiral flake shape. The adsorbent 2 is made of cuttings (cuts) by a steel lathe, and has a width of 3 to 4 mm, for example.
It is formed by winding a thin piece of steel having a length of about 10 mm in a spiral shape having a diameter of about 5 mm. The adsorbent 2 has red rust formed on the surface in order to enhance the arsenic adsorption effect. Iron and iron oxide have the effect of adsorbing arsenic. The adsorbent 2 is accommodated in the processing tank 1 with a sufficient space for stirring.
【0019】処理タンク1の上部13にはエアー抜き弁
20および吊下げ用環21が設けられ、円筒部11の側
面には円筒部11を開閉可能な蓋22が取り付けられて
いる。流入口14は、バルブ7を介してパイプ8により
2つのポンプ3に接続されている。ポンプ3は、吸着剤
2を処理タンク1の内部で攪拌させる圧力で流入口14
にヒ素の溶解水を送る。An upper portion 13 of the processing tank 1 is provided with an air vent valve 20 and a suspension ring 21, and a lid 22 capable of opening and closing the cylindrical portion 11 is attached to a side surface of the cylindrical portion 11. The inlet 14 is connected to the two pumps 3 by a pipe 8 via a valve 7. The pump 3 has an inlet 14 with a pressure that causes the adsorbent 2 to be stirred inside the processing tank 1.
Send arsenic dissolved water to
【0020】遠心分離機4は、入口41と出口42とを
有し、入口41は排出管19の出口側に接続されてい
る。遠心分離機4は、サイクロン分離機から成り、水流
でロータを回転させ、入口41からの流入物から固形物
を遠心分離により分離して、処理した水を出口42から
排出する構成を有している。遠心分離機4には、ヒ素吸
着物の固液分離を容易にするため、凝集剤を添加しても
よい。磁気処理機5は、出口42にパイプ8を介して接
続されている。磁気処理機5は、出口42から排出され
た水に混じった吸着剤2の破片を磁力で除去し、処理し
た水をバルブ9へと排出する。磁気処理機5は、バルブ
9とパイプ8と逆止弁10とバルブ31とを介して砂ろ
過システムに接続されている。なお、バルブ7と逆止弁
10との間は、バルブ32を介してパイプ8により接続
されている。The centrifuge 4 has an inlet 41 and an outlet 42, and the inlet 41 is connected to the outlet side of the discharge pipe 19. The centrifugal separator 4 includes a cyclone separator, has a configuration in which a rotor is rotated by a water stream, solids are separated from an inflow from the inlet 41 by centrifugal separation, and treated water is discharged from an outlet 42. I have. A coagulant may be added to the centrifuge 4 to facilitate solid-liquid separation of the arsenic adsorbate. The magnetic processor 5 is connected to the outlet 42 via the pipe 8. The magnetic processor 5 removes the fragments of the adsorbent 2 mixed with the water discharged from the outlet 42 by magnetic force, and discharges the treated water to the valve 9. The magnetic processor 5 is connected to the sand filtration system via a valve 9, a pipe 8, a check valve 10, and a valve 31. The valve 7 and the check valve 10 are connected by a pipe 8 via a valve 32.
【0021】溶存無機物吸着装置は、ポンプ3により底
部12の流入口14に溶存無機物の溶解水を送り、処理
タンク1の内部に収容されたヒ素の吸着剤2にヒ素を吸
着させる。吸着剤2は、ポンプ3の圧力により処理タン
ク1の内部で攪拌され、全体的に浮き上がって回転し、
おどるような動きをする。吸着剤2の攪拌により、吸着
剤2がそれぞれ離れて吸着剤2の間に流路が確保され
る。こうして、吸着剤2の目詰まりを防止し、処理量を
保ちながら連続処理が可能となる。また、吸着剤2は、
圧力を加えられて攪拌されることにより表面が擦れて、
吸着した部分を剥離させ、吸着効果を保つことができ
る。処理された水は、上部13の排出口15から排出さ
れる。In the dissolved inorganic substance adsorption device, the dissolved water of the dissolved inorganic substance is sent to the inflow port 14 of the bottom portion 12 by the pump 3, and the arsenic is adsorbed on the arsenic adsorbent 2 stored in the processing tank 1. The adsorbent 2 is stirred inside the processing tank 1 by the pressure of the pump 3 and floats and rotates as a whole,
Makes a frightening movement. By the stirring of the adsorbents 2, the adsorbents 2 are separated from each other, and a flow path is secured between the adsorbents 2. Thus, clogging of the adsorbent 2 can be prevented, and continuous processing can be performed while maintaining the processing amount. The adsorbent 2 is
The surface is rubbed by applying pressure and stirring,
The adsorbed portion can be peeled off to maintain the adsorbing effect. The treated water is discharged from a discharge port 15 of the upper part 13.
【0022】溶存無機物吸着装置では、流入口14の噴
出部を構成するストレーナ18が複数設けられているた
め、複数のストレーナ18から流入する溶解水が、干渉
し合って吸着剤2の攪拌効果を高めることができる。ま
た、吸着剤2が螺旋状の薄片から成るため、螺旋による
間隙17で流路を確保しやすく、目詰まりを起こしにく
い。さらに、吸着剤2は、螺旋状のため、ポンプ3の圧
力を受けて動きやすく、目詰まりを起こしにくいうえ、
表面が擦れやすく、吸着した部分を剥離させて吸着効果
を保つことができる。また、吸着剤2は、螺旋状のた
め、表面積が大きく、吸着量が大きい。In the apparatus for adsorbing dissolved inorganic matter, since a plurality of strainers 18 constituting the ejection portion of the inlet 14 are provided, dissolved water flowing from the plurality of strainers 18 interfere with each other to reduce the stirring effect of the adsorbent 2. Can be enhanced. In addition, since the adsorbent 2 is formed of a spiral flake, a flow path is easily secured by the gap 17 formed by the spiral, and clogging is unlikely to occur. Further, since the adsorbent 2 has a spiral shape, the adsorbent 2 easily moves under the pressure of the pump 3 and is less likely to be clogged.
The surface is easily rubbed, and the adsorbed portion can be peeled off to maintain the adsorbing effect. Further, since the adsorbent 2 is spiral, it has a large surface area and a large amount of adsorption.
【0023】処理タンク1の排出口15から排出された
水は、遠心分離機4の入口41からその内部に入る。処
理タンク1の排出口15からの排水には、吸着剤2から
剥離した吸着部分などの固形物が混じっているが、それ
らの固形物は遠心分離機4の内部で遠心分離により水か
ら分離される。これにより、吸着剤2のうち無機物が吸
着された部分のみを処分することができるので、吸着剤
2すべてを交換する場合に比べて、廃棄物の量を減少さ
せることができる。遠心分離機4の出口42から排出さ
れた水は、磁気処理機5により吸着剤2の破片を除去さ
れ、砂ろ過システムによりさらに浄化される。The water discharged from the discharge port 15 of the processing tank 1 enters the centrifuge 4 through an inlet 41 thereof. The wastewater from the discharge port 15 of the treatment tank 1 contains solids such as an adsorbed portion separated from the adsorbent 2, and these solids are separated from water by centrifugation inside the centrifuge 4. You. Thus, only the portion of the adsorbent 2 on which the inorganic substance is adsorbed can be disposed of, so that the amount of waste can be reduced as compared with the case where all of the adsorbent 2 is replaced. The water discharged from the outlet 42 of the centrifugal separator 4 has the debris of the adsorbent 2 removed by the magnetic processor 5 and further purified by the sand filtration system.
【0024】なお、図4に示すように、溶存無機物吸着
装置は、ポンプ3と流入口14との間のパイプ8内の流
路に流圧により回転して流路を流れる溶解水の流速を変
化させる回転羽根40を有することが好ましい。この場
合、回転羽根40の回転により流路の断面積が変化する
ため、流路を流れる溶解水の流速が変化し脈流となる。
このため、処理タンク1の底部12の流入口14から流
速が変化した水が内部に入り、吸着剤2を攪拌しやすく
する。As shown in FIG. 4, the dissolved inorganic matter adsorption device rotates the flow path in the pipe 8 between the pump 3 and the inflow port 14 by the flow pressure to change the flow rate of the dissolved water flowing through the flow path. It is preferable to have a rotating blade 40 that varies. In this case, since the cross-sectional area of the flow path changes due to the rotation of the rotary blade 40, the flow velocity of the dissolved water flowing through the flow path changes, resulting in a pulsating flow.
For this reason, the water whose flow velocity has changed from the inflow port 14 of the bottom 12 of the processing tank 1 enters the inside, and the adsorbent 2 is easily stirred.
【0025】前述の実施の形態の溶存無機物吸着装置
で、直径400ミリ、高さ1200ミリの処理タンク1
に砂利6を90ミリ、吸着剤2を40cmの高さで充填
し、毎分60リットルの量で、溶解水を送った。その結
果、処理前の原水はヒ素およびその化合物の濃度が1.
4mg/lであったが、2時間後に遠心分離機4から排
出された処理水および13.5時間後に遠心分離機4か
ら排出された処理水はヒ素およびその化合物の濃度がと
もに0.003mg/l未満であった。なお、計量の方
法は、JIS K 0102 61.2に基づいて行な
った。The processing tank 1 having a diameter of 400 mm and a height of 1200 mm in the dissolved inorganic matter adsorption apparatus of the above-described embodiment.
Gravel 6 was filled at a height of 90 mm and adsorbent 2 at a height of 40 cm, and dissolved water was fed at a rate of 60 liters per minute. As a result, the raw water before the treatment has a concentration of arsenic and its compound of 1.
The treated water discharged from the centrifugal separator 2 after 2 hours and the treated water discharged from the centrifugal separator 4 after 13.5 hours had both arsenic and its compound concentrations of 0.003 mg / l. l. The weighing method was based on JIS K 0102 61.2.
【0026】なお、前述の実施の形態の溶存無機物吸着
装置は、溶存無機物の種類に応じ、その溶存無機物に適
した吸着剤を用いて、ヒ素以外の溶存無機物の処理に用
いてもよい。The apparatus for adsorbing dissolved inorganic matter according to the above-described embodiment may be used for treating dissolved inorganic matter other than arsenic by using an adsorbent suitable for the dissolved inorganic matter according to the type of dissolved inorganic matter.
【0027】[0027]
【発明の効果】本発明によれば、処理量を保ちながら連
続処理を可能にする溶存無機物吸着装置、溶存無機物吸
着方法および溶存無機物吸着剤を提供することができ
る。According to the present invention, it is possible to provide a dissolved inorganic substance adsorption apparatus, a dissolved inorganic substance adsorption method, and a dissolved inorganic substance adsorbent which enable continuous treatment while maintaining the treatment amount.
【図1】本発明の実施の形態の溶存無機物吸着装置の全
体を示す概略構成図である。FIG. 1 is a schematic configuration diagram showing an entire dissolved inorganic matter adsorption device according to an embodiment of the present invention.
【図2】図1の溶存無機物吸着装置の処理タンクおよび
遠心分離機を示す概略構成図である。FIG. 2 is a schematic configuration diagram showing a processing tank and a centrifugal separator of the dissolved inorganic matter adsorption device of FIG.
【図3】図1の処理タンクの底部付近の横断面図であ
る。FIG. 3 is a cross-sectional view of the vicinity of the bottom of the processing tank of FIG. 1;
【図4】図1の溶存無機物吸着装置の回転羽根を示す概
略構成図である。FIG. 4 is a schematic configuration diagram showing a rotating blade of the dissolved inorganic matter adsorption device of FIG. 1;
1 処理タンク 2 吸着剤 3 ポンプ 4遠心分離機 5 磁気処理機 6 砂利 1 Processing tank 2 Adsorbent 3 pump 4 centrifuge 5 Magnetic processing machine 6 gravel
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開2000−176441(JP,A) 特開 昭60−172397(JP,A) 特開 平5−23678(JP,A) 特開 昭48−23052(JP,A) 特開 平10−165941(JP,A) 特公 平7−47097(JP,B2) 特表 昭63−501276(JP,A) (58)調査した分野(Int.Cl.7,DB名) C02F 1/28 B01J 20/00 - 20/34 ────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-2000-176441 (JP, A) JP-A-60-172397 (JP, A) JP-A-5-23678 (JP, A) JP-A 48-23052 (JP, A) JP-A-10-165941 (JP, A) JP-B-7-47097 (JP, B2) JP-T-63-501276 (JP, A) (58) Fields investigated (Int. Cl. 7) , DB name) C02F 1/28 B01J 20/00-20/34
Claims (6)
処理タンクと、 螺旋状に巻かれた薄片形状を有し、前記処理タンクの内
部に収容された溶存無機物の吸着剤と、 前記吸着剤を前記処理タンクの内部で浮き上がって回転
するよう攪拌させる圧力で前記流入口に溶存無機物の溶
解水を送るポンプとを、 有することを特徴とする溶存無機物吸着装置。1. A treatment tank having an inlet at the bottom and an outlet at the top, an adsorbent for a dissolved inorganic substance having a helically wound flake shape and housed inside the treatment tank, A pump for feeding dissolved water of the dissolved inorganic substance to the inflow port at a pressure for stirring the adsorbent so as to float and rotate inside the processing tank.
吸着剤は旋盤による鋼鉄の切り屑から成り表面に赤錆が
形成されていることを、特徴とする請求項1記載の溶存
無機物吸着装置。2. The adsorption of dissolved inorganic matter according to claim 1, wherein said inflow port is provided with a plurality of ejection portions, and said adsorbent is made of steel chips by a lathe and has red rust formed on a surface thereof. apparatus.
と出口とを有し、前記入口は前記排出口に接続され、前
記入口からの流入物から固形物を遠心分離により分離し
て、処理した水を前記出口から排出する構成を有するこ
とを、特徴とする請求項1または2記載の溶存無機物吸
着装置。3. A centrifuge, said centrifuge having an inlet and an outlet, said inlet being connected to said outlet, for separating solids from the inflow from said inlet by centrifugation. The apparatus for adsorbing dissolved inorganic matter according to claim 1 or 2, wherein the apparatus has a configuration for discharging treated water from the outlet.
圧により流路の断面積が変化するよう回転して流路を流
れる溶解水の流速を脈流となるよう変化させる回転羽根
を有することを、特徴とする請求項1、2または3記載
の溶存無機物吸着装置。4. A rotation for rotating a flow path between the pump and the inflow port so as to change a cross-sectional area of the flow path by a flow pressure and changing a flow rate of the dissolved water flowing in the flow path to form a pulsating flow. The dissolved inorganic matter adsorption device according to claim 1, 2 or 3, further comprising a blade.
螺旋状に巻かれた薄片形状を有する溶存無機物の吸着剤
が収容された処理タンクの内部に前記流入口から溶存無
機物の溶解水を送り、前記吸着剤を前記処理タンクの内
部で浮き上がって回転するよう攪拌させて前記吸着剤に
溶存無機物を吸着させることを、特徴とする溶存無機物
吸着方法。5. An inflow port at the bottom and a discharge port at the top,
Dissolved water of the dissolved inorganic substance is sent from the inflow port to the inside of the processing tank containing the adsorbent of the dissolved inorganic substance having the shape of a flake wound spirally, and the adsorbent is lifted and rotated inside the processing tank. A dissolved inorganic substance is adsorbed to the adsorbent by stirring the mixture so as to be dissolved.
よる鋼鉄の切り屑から成り表面に赤錆が形成されている
ことを、特徴とする溶存無機物吸着剤。6. A dissolved inorganic substance adsorbent characterized in that it has a flaky shape wound spirally, is made of steel chips by a lathe, and has red rust formed on its surface.
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JP4860008B1 (en) * | 2011-06-02 | 2012-01-25 | 株式会社アサカ理研 | Hydrogen peroxide decomposition apparatus and hydrogen peroxide decomposition method |
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