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JP6643750B2 - Conditioning tank - Google Patents
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JP6643750B2 - Conditioning tank - Google Patents

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JP6643750B2
JP6643750B2 JP2015142463A JP2015142463A JP6643750B2 JP 6643750 B2 JP6643750 B2 JP 6643750B2 JP 2015142463 A JP2015142463 A JP 2015142463A JP 2015142463 A JP2015142463 A JP 2015142463A JP 6643750 B2 JP6643750 B2 JP 6643750B2
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inner tank
sample liquid
tank
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adjustment
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JP2017023904A (en
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一臣 内藤
一臣 内藤
浩昭 渡邉
浩昭 渡邉
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DKK TOA Corp
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Description

本発明は、水質の測定などに用いられる試料液から異物を除去する調整槽に関する。   The present invention relates to an adjustment tank for removing foreign matter from a sample liquid used for water quality measurement and the like.

上水、下水、河川水、湖沼水、生活排水、工業排水などの試料液の水質などを測定する測定装置の前段に、調整槽が設けられることがある。すなわち、試料液は、測定装置に導入される前に調整槽に導入される。調整槽は、調整槽の側壁に設けられた導入手段から試料液を槽内に導入して試料液の旋回流を形成して、試料液に含まれるゴミや泥などの不溶固形物や気泡などの異物を除去する(例えば、特許文献1−2参照)。調整槽で異物が除去された試料液は、測定装置に導入される。   In some cases, an adjustment tank is provided in front of a measuring device that measures the quality of a sample liquid such as water supply, sewage, river water, lake water, domestic wastewater, and industrial wastewater. That is, the sample liquid is introduced into the adjustment tank before being introduced into the measuring device. The adjustment tank introduces the sample liquid into the tank from an introduction means provided on a side wall of the adjustment tank to form a swirling flow of the sample liquid, and insoluble solids such as dust and mud contained in the sample liquid and bubbles. (For example, see Patent Documents 1-2). The sample liquid from which the foreign matter has been removed in the adjustment tank is introduced into the measuring device.

このように、異物が除去された試料液が測定装置に導入されることで、測定装置の測定値に対する異物による影響が抑えられ、あるいは、測定装置が不溶固形物で目詰まりして故障などするのを防ぐことができる。   In this way, by introducing the sample liquid from which the foreign matter has been removed into the measuring device, the influence of the foreign matter on the measurement value of the measuring device is suppressed, or the measuring device is clogged with an insoluble solid and breaks down. Can be prevented.

一方、試料液に含まれる不溶固形物を除去する調整槽の槽内に不溶固形物が残存してしまうと、残存している不溶固形物から藻、苔、微生物などの汚れが発生し、残存している不溶固形物そのものや発生した汚れが測定装置に導入される試料液に混入してしまう。   On the other hand, if insoluble solids remain in the adjusting tank for removing insoluble solids contained in the sample liquid, algae, moss, microorganisms, and other stains are generated from the remaining insoluble solids, and the remaining insoluble solids remain. The insoluble solid material itself and the generated dirt are mixed into the sample liquid introduced into the measuring device.

不溶固形物や気泡などの異物は、特許文献1,2に記載されているように、試料液の旋回流を形成させることで、槽内に残存しにくくなる。   As described in Patent Documents 1 and 2, foreign matters such as insoluble solids and air bubbles are less likely to remain in the tank by forming a swirling flow of the sample liquid.

特許第4360330号明細書Patent No. 4360330 特許第5023485号明細書Japanese Patent No. 50234485

しかし、特許文献1,2に記載されているのは、円筒状の側壁に試料液の導入手段が設けられた構成である。円筒状の側壁は曲面であるため、円筒状の側壁に孔を形成して導入手段を挿通させて水密に固定するには加工がしにくく、調整槽の構造が複雑になる。   However, Patent Documents 1 and 2 disclose a configuration in which a sample liquid introducing means is provided on a cylindrical side wall. Since the cylindrical side wall is a curved surface, it is difficult to form a hole in the cylindrical side wall and insert the introduction means to fix it in a watertight manner, which makes processing difficult and complicates the structure of the adjustment tank.

本発明は、以上のような従来技術の問題点を解消するためになされたもので、簡易な構造で、異物を除去することができ、槽内に異物が残存しにくい調整槽を提供することを目的とする。   The present invention has been made in order to solve the above-described problems of the related art, and has a simple structure, capable of removing foreign matter, and providing an adjustment tank in which foreign matter hardly remains in the tank. With the goal.

本発明は、上端が開口する有底円筒状で、導入された試料液の旋回流が形成される内槽と、内槽に試料液を導入する導入器と、導入器から内槽に導入された試料液のうち、開口からオーバフローした試料液が流入する外槽と、を有してなる調整槽であって、導入器は、内槽の底面に立設される、ことを特徴とする。   The present invention is a bottomed cylindrical shape having an open upper end, an inner tank in which a swirling flow of the introduced sample liquid is formed, an introducer for introducing the sample liquid into the inner tank, and an inner tank introduced from the introducer into the inner tank. And an outer tank into which the sample liquid overflowing from the opening out of the sample liquid flows, wherein the introduction device is provided upright on the bottom surface of the inner tank.

本発明によれば、簡易な構造で、異物を除去することができ、槽内に異物が残存しにくい。   ADVANTAGE OF THE INVENTION According to this invention, a foreign substance can be removed with a simple structure and a foreign substance hardly remains in a tank.

本発明にかかる調整槽の実施の形態を示す平面図である。It is a top view showing an embodiment of an adjustment tank concerning the present invention. 図1の調整槽の側面図である。It is a side view of the adjustment tank of FIG. 図1の調整槽から導入器が取り外された状態の調整槽の平面図である。It is a top view of the adjustment tank in the state where the introducer was removed from the adjustment tank of FIG. 図3のA−A断面図である。It is AA sectional drawing of FIG. 図4の要部拡大図である。It is a principal part enlarged view of FIG. 上記導入器の側面図である。It is a side view of the said introducer.

以下、図面を参照しながら、本発明にかかる調整槽の実施の形態について説明する。   Hereinafter, an embodiment of an adjustment tank according to the present invention will be described with reference to the drawings.

図1は、本発明にかかる調整槽の実施の形態を示す平面図である。
図2は、図1の調整槽の側面図である。
調整槽1は、内槽10と、外槽20と、導入器30とを有してなる。
FIG. 1 is a plan view showing an embodiment of the adjustment tank according to the present invention.
FIG. 2 is a side view of the adjustment tank of FIG.
The adjustment tank 1 has an inner tank 10, an outer tank 20, and an introducer 30.

内槽10は、試料液の旋回流が形成される槽である。試料液は、例えば、上水、下水、河川水、湖沼水、生活排水、工業排水などである。   The inner tank 10 is a tank in which a swirling flow of the sample liquid is formed. The sample liquid is, for example, clean water, sewage, river water, lake water, domestic wastewater, industrial wastewater, or the like.

外槽20は、内槽10に導入された試料液のうち、内槽10からオーバフローした試料液が流入する槽である。外槽20は、内槽10を収容している。すなわち、内槽10は、外槽20の内部に配置されている。   The outer tank 20 is a tank into which, among the sample liquids introduced into the inner tank 10, the sample liquid overflowing from the inner tank 10 flows. The outer tub 20 houses the inner tub 10. That is, the inner tank 10 is disposed inside the outer tank 20.

導入器30は、内槽10に試料液を導入する部材である。   The introducer 30 is a member that introduces a sample liquid into the inner tank 10.

調整槽1は、導入器30から内槽10に導入された試料液の一部を、異物と共に外槽20にオーバフローさせると共に、内槽10内の試料液を、試料液の水質などを測定する測定装置に供給する。試料液に含まれる異物は、例えば、ゴミや泥などの不溶固形物や気泡などである。測定装置による測定の対象は、例えば、試料液中の各種イオンや試料液の濁度、色度、化学的酸素要求量(COD:Chemical Oxygen Demand)、生物化学的酸素要求量(BOD:Biochemical Oxygen Demand)、全りん、全窒素などである。   The adjustment tank 1 causes a part of the sample liquid introduced from the introducer 30 into the inner tank 10 to overflow to the outer tank 20 together with foreign substances, and measures the water quality of the sample liquid in the inner tank 10. Supply to the measuring device. The foreign substances contained in the sample liquid are, for example, insoluble solids such as dust and mud and air bubbles. The objects to be measured by the measuring device include, for example, various ions in the sample solution and the turbidity, chromaticity, chemical oxygen demand (COD), and biochemical oxygen demand (BOD) of the sample solution. Demand), total phosphorus, total nitrogen and the like.

内槽10は、内槽壁11と、内槽底12とを有してなる有底円筒状である。内槽壁11は、内槽10の側壁であり、円筒状である。内槽底12は、内槽10の底面であり、平面視円形のすり鉢状である。内槽壁11の上端は開口している。   The inner tank 10 has a bottomed cylindrical shape having an inner tank wall 11 and an inner tank bottom 12. The inner tank wall 11 is a side wall of the inner tank 10 and has a cylindrical shape. The inner tank bottom 12 is a bottom surface of the inner tank 10 and has a circular mortar shape in plan view. The upper end of the inner tank wall 11 is open.

内槽底12の平面視中央には、固定部材14と固定部材15(図5参照)との間に挟持されてネジSで固定されたフィルタ13が設けられている。フィルタ13の目の粗さは、例えば、試料液に含まれる異物の大きさや、調整槽1の後段の測定装置による測定に影響を及ぼす異物の大きさなどに応じて決定される。   At the center of the inner tank bottom 12 in a plan view, there is provided a filter 13 sandwiched between a fixing member 14 and a fixing member 15 (see FIG. 5) and fixed with screws S. The coarseness of the filter 13 is determined according to, for example, the size of the foreign matter contained in the sample liquid, the size of the foreign matter that affects the measurement by the measuring device at the subsequent stage of the adjustment tank 1, and the like.

外槽20は、外槽壁21と、外槽底40とを有してなる。外槽壁21は、平面視矩形の筒状である。外槽壁21の上端は開口している。外槽壁21の上端の開口の高さ位置は、内槽壁11の上端の開口の高さ位置よりも高い。外槽底40は、外槽20の底面であり、平板状である。外槽底40には、高さ方向に貫通された排出口40hが形成されている。排出口40hは、内槽10から外槽20にオーバフローした試料液を調整槽1の外部に排出させる孔である。   The outer tank 20 has an outer tank wall 21 and an outer tank bottom 40. The outer tank wall 21 has a rectangular tubular shape in plan view. The upper end of the outer tub wall 21 is open. The height position of the opening at the upper end of the outer tank wall 21 is higher than the height position of the opening at the upper end of the inner tank wall 11. The outer tank bottom 40 is a bottom surface of the outer tank 20 and has a flat plate shape. In the outer tank bottom 40, a discharge port 40h penetrated in the height direction is formed. The discharge port 40h is a hole for discharging the sample liquid overflowing from the inner tank 10 to the outer tank 20 to the outside of the adjustment tank 1.

内槽壁11と、内槽底12と、外槽壁21と、外槽底40の材質は、試料液に対する耐食性や耐久性などに基づいて選択されたものであって、例えば、合成樹脂などである。   The materials of the inner tank wall 11, the inner tank bottom 12, the outer tank wall 21, and the outer tank bottom 40 are selected based on corrosion resistance and durability against a sample liquid, and include, for example, synthetic resin. It is.

図3は、導入器30が取り外された状態の調整槽1の平面図である。
内槽底12には、導入口30hが形成されている。導入口30hは、試料液の供給経路に連通する孔である。すなわち、調整槽1は、導入口30hと連通する供給経路を介して試料液の供給装置と接続している。
FIG. 3 is a plan view of the adjustment tank 1 with the introducer 30 removed.
An inlet 30 h is formed in the inner tank bottom 12. The inlet 30h is a hole communicating with the sample liquid supply path. That is, the adjustment tank 1 is connected to the sample liquid supply device via the supply path communicating with the inlet 30h.

図4は、図3のA−A断面図である。
外槽底40の平面視中央には、円形の孔が形成されている。この孔には、内槽壁11の下端側の部分が挿入されている。外槽底40に形成された孔に挿入された内槽壁11の下端側の部分の内側には、支持台50が配置されている。内槽壁11の下端側の部分は、外槽底40と支持台50とに挟持されて固定されている。
FIG. 4 is a sectional view taken along line AA of FIG.
A circular hole is formed in the center of the outer tank bottom 40 in a plan view. The lower end portion of the inner tank wall 11 is inserted into this hole. A support base 50 is disposed inside a lower end portion of the inner tank wall 11 inserted into a hole formed in the outer tank bottom 40. A lower end portion of the inner tank wall 11 is sandwiched and fixed between the outer tank bottom 40 and the support base 50.

支持台50の上面(紙面上側の面)は、内槽底12と同様のすり鉢状に形成されていて、この支持台50のすり鉢状に形成された面の表面に内槽底12が配置されている。導入口30hは、支持台50の高さ方向(紙面上下方向)に貫通して形成されている。導入口30hの上端側は、内槽底12を貫通している。導入口30hの上端の高さ位置は、外槽底40の上面の高さ位置と略一致している。   The upper surface (upper surface of the paper) of the support base 50 is formed in the same mortar shape as the inner tank bottom 12, and the inner tank bottom 12 is disposed on the surface of the mortar-shaped surface of the support base 50. ing. The inlet 30h is formed so as to penetrate in the height direction of the support base 50 (vertical direction in the drawing). The upper end side of the inlet 30h penetrates the inner tank bottom 12. The height position of the upper end of the inlet 30h substantially coincides with the height position of the upper surface of the outer tank bottom 40.

支持台50の平面視中央には、高さ方向に貫通された供給口10hが形成されている。供給口10hは、調整槽1から測定装置に供給される試料液の供給経路と連通する孔である。すなわち、調整槽1は、供給口10hと連通する供給経路を介して試料液の測定装置と接続している。   In the center of the support base 50 in a plan view, a supply port 10h penetrated in the height direction is formed. The supply port 10h is a hole that communicates with a supply path of the sample liquid supplied from the adjustment tank 1 to the measurement device. That is, the adjustment tank 1 is connected to the sample liquid measuring device via the supply path communicating with the supply port 10h.

図5は、図4中の符号Xで示した部分の拡大図である。
供給口10hの上端は、フィルタ13で覆われている。フィルタ13は、供給口10hに連通する孔であって、内槽底12の平面視中央に形成された円形の孔に配置されたドーナツ状の2枚の固定部材14,15の間に挟持されている。フィルタ13を挟持する固定部材14,15は、固定部材14の上面側から固定部材15を貫通して支持台50に螺合されたネジSにより、支持台50に固定されている。
FIG. 5 is an enlarged view of a portion indicated by reference numeral X in FIG.
The upper end of the supply port 10h is covered with the filter 13. The filter 13 is a hole communicating with the supply port 10h, and is sandwiched between two donut-shaped fixing members 14 and 15 arranged in a circular hole formed in the center of the inner tank bottom 12 in plan view. ing. The fixing members 14 and 15 that hold the filter 13 are fixed to the support table 50 by screws S that pass through the fixing member 15 from the upper surface side of the fixing member 14 and are screwed to the support table 50.

図6は、導入器30の側面図である。
導入器30は、パイプ31と、ネジ部32と、ストッパ33と、パイプ受部34と、L字部35と、吐出部36とを有してなる。導入器30を構成する各部材の材質は、試料液に対する耐食性や耐久性などに基づいて選択されたものであって、例えば、合成樹脂などである。
FIG. 6 is a side view of the introducer 30.
The introducer 30 includes a pipe 31, a screw portion 32, a stopper 33, a pipe receiving portion 34, an L-shaped portion 35, and a discharge portion 36. The material of each member constituting the introducer 30 is selected based on corrosion resistance and durability against a sample liquid, and is, for example, a synthetic resin.

パイプ31は、略直管状である。ネジ部32と、ストッパ33とには、パイプ31が挿通される孔が形成されている。パイプ31は、ネジ部32とストッパ33とに挿通されて、パイプ31の上端がパイプ受部34に取り付けられている。ストッパ33は、パイプ31にネジ部32を固定する。パイプ受部34には、L字状のL字部35が取り付けられている。L字部35の両端のうちパイプ受部34が取り付けられていない側の先端は、吐出部36である。パイプ31の下端側から導入された試料液は、パイプ受部34とL字部35とを介して吐出部36から吐出される。   The pipe 31 is a substantially straight tube. The screw portion 32 and the stopper 33 are formed with holes through which the pipe 31 is inserted. The pipe 31 is inserted into the screw part 32 and the stopper 33, and the upper end of the pipe 31 is attached to the pipe receiving part 34. The stopper 33 fixes the screw portion 32 to the pipe 31. An L-shaped L-shaped portion 35 is attached to the pipe receiving portion 34. The tip of the both ends of the L-shaped portion 35 on the side where the pipe receiving portion 34 is not attached is a discharge portion 36. The sample liquid introduced from the lower end side of the pipe 31 is discharged from the discharge part 36 via the pipe receiving part 34 and the L-shaped part 35.

なお、L字部35や吐出部36の構成において、吐出部36から吐出される試料液の吐出方向が可変するようにしてもよい。   In addition, in the configuration of the L-shaped portion 35 and the ejection unit 36, the ejection direction of the sample liquid ejected from the ejection unit 36 may be changed.

ネジ部32の下端側には、内槽底12に形成された導入口30hの上端側の内周面に形成された雌ネジと螺合する雄ネジが形成されている。すなわち、ネジ部32の下端を内槽底12の導入口30hの上端に挿入して螺合することで、導入器30は内槽底12に立設される。   At the lower end of the screw portion 32, a male screw is formed which is screwed with a female screw formed on the inner peripheral surface on the upper end side of the inlet 30h formed in the inner tank bottom 12. That is, the lower end of the screw portion 32 is inserted into the upper end of the inlet 30h of the inner tank bottom 12 and screwed, whereby the introducer 30 is erected on the inner tank bottom 12.

ネジ部32とストッパ33とは、パイプ31の長さ方向に沿って移動可能である。すなわち、ストッパ33とパイプ受部34との間の長さは、可変である。つまり、ストッパ33とパイプ受部34との間の長さが長いとき、内槽底12から吐出部36までの長さは長い。一方、ストッパ33とパイプ受部34との間の長さが短いとき、内槽底12から吐出部36までの長さは短い。このように、ストッパ33とパイプ受部34との間の長さを調整することで、導入器30の高さ方向の長さは可変である。   The screw part 32 and the stopper 33 are movable along the length direction of the pipe 31. That is, the length between the stopper 33 and the pipe receiving portion 34 is variable. That is, when the length between the stopper 33 and the pipe receiving portion 34 is long, the length from the inner tank bottom 12 to the discharge portion 36 is long. On the other hand, when the length between the stopper 33 and the pipe receiving portion 34 is short, the length from the inner tank bottom 12 to the discharge portion 36 is short. In this way, by adjusting the length between the stopper 33 and the pipe receiving portion 34, the length of the introducer 30 in the height direction is variable.

調整槽1は、試料液の供給装置から供給される試料液を、導入器30を介して内槽10に導入する。導入器30は、吐出部36から吐出される試料液が内槽壁11、つまり、内槽10の側壁に直接当たるように、吐出部36の向きが設定されている。   The adjustment tank 1 introduces the sample liquid supplied from the sample liquid supply device into the inner tank 10 via the introducer 30. The direction of the discharge unit 36 of the introducer 30 is set so that the sample liquid discharged from the discharge unit 36 directly hits the inner tank wall 11, that is, the side wall of the inner tank 10.

試料液は、内槽壁11に当たって、内槽壁11に沿いながら内槽10に導入される。そのため、内槽10内で試料液の旋回流(渦)が形成される。旋回流が形成される内槽10内の試料液の高さ方向の位置は、旋回による遠心力で、内槽10の中央部分が低く、内槽壁11に向けて高くなる。   The sample liquid strikes the inner tank wall 11 and is introduced into the inner tank 10 along the inner tank wall 11. Therefore, a swirling flow (vortex) of the sample liquid is formed in the inner tank 10. The position in the height direction of the sample liquid in the inner tank 10 where the swirling flow is formed is lower at the center portion of the inner tank 10 and higher toward the inner tank wall 11 due to centrifugal force caused by the swirling.

試料液に含まれる異物は、試料液の旋回流の外側に移動して、内槽壁11の上端側の開口からオーバフローする試料液と共に外槽20に移動する。外槽20に流入した異物は、外槽20に流入した試料液と共に排出口40hを通過して、調整槽1の外部に排出される。   Foreign matter contained in the sample liquid moves to the outside of the swirling flow of the sample liquid and moves to the outer tank 20 together with the sample liquid overflowing from the opening on the upper end side of the inner tank wall 11. The foreign matter that has flowed into the outer tank 20 passes through the outlet 40h together with the sample liquid that has flowed into the outer tank 20, and is discharged to the outside of the adjustment tank 1.

内槽10内の試料液は、フィルタ13を介して供給口10hから測定装置に供給される。このとき、内槽10内の平面視中央部分、つまり、試料液の旋回流の中心部分には、旋回流の外側(内槽壁11に近い側)の部分に比べて異物は少ないものの、完全に異物が存在しないとも限らない。しかし、たとえ、試料液の旋回流の中心部分に異物が残存していたとしても、フィルタ13により捕捉されるため、フィルタ13で覆われた供給口10hから測定装置に供給される試料液に異物が混入することはない。   The sample liquid in the inner tank 10 is supplied to the measuring device from the supply port 10h via the filter 13. At this time, although there is less foreign matter in the central part of the inner tank 10 in a plan view, that is, the central part of the swirling flow of the sample liquid, there is less foreign matter compared to the part outside the swirling flow (closer to the inner tank wall 11). It is not necessarily the case that there is no foreign matter in the garbage. However, even if foreign matter remains in the central portion of the swirling flow of the sample liquid, since the foreign matter is captured by the filter 13, the foreign matter may not be included in the sample liquid supplied to the measurement device from the supply port 10 h covered by the filter 13. Is not mixed.

なお、フィルタ13を上水などにより逆洗する、つまり、供給口10hから水道水などを内槽10内に導入するようにしてもよい。この逆洗により、フィルタ13またはその近傍に堆積した異物を内槽10の上方に移動させて、外槽20にオーバフローする試料液と共に、外槽20に移動させることができる。   The filter 13 may be back-washed with tap water or the like, that is, tap water or the like may be introduced into the inner tank 10 from the supply port 10h. By this backwashing, foreign matter deposited on the filter 13 or in the vicinity thereof can be moved above the inner tank 10 and moved to the outer tank 20 together with the sample liquid overflowing to the outer tank 20.

以上説明した実施の形態によれば、調整槽1は、内槽底12に立設された導入器30から吐出される試料液を内槽壁11に当てながら内槽10に導入する簡易な構成により、内槽10内で試料液の旋回流を形成させて、試料液に含まれる異物を除去することができ、内槽壁11の内周面に異物を残存しにくくすることができる。   According to the above-described embodiment, the adjustment tank 1 has a simple configuration in which the sample liquid discharged from the introducer 30 erected on the inner tank bottom 12 is introduced into the inner tank 10 while being applied to the inner tank wall 11. As a result, a swirling flow of the sample liquid is formed in the inner tank 10 so that foreign substances contained in the sample liquid can be removed.

特に、内槽10内に存在する突起物は、内槽底12に設けられた導入器30のみである。換言すれば、内槽壁11には、突起物は設けられていない。すなわち、内槽壁11には、内槽10内で旋回する試料液の旋回を制限するものが存在しない。そのため、内槽10内での試料液の旋回流は形成されやすい。また、導入器30は内槽底12に設けられるため、円筒状の側壁に導入手段を設ける従来の調整槽に比べて、調整槽1の加工はし易い。   In particular, the only protrusion present in the inner tank 10 is the introducer 30 provided on the inner tank bottom 12. In other words, no protrusion is provided on the inner tank wall 11. That is, there is no thing in the inner tank wall 11 that restricts the rotation of the sample liquid swirling in the inner tank 10. Therefore, the swirling flow of the sample liquid in the inner tank 10 is easily formed. In addition, since the introducer 30 is provided on the inner tank bottom 12, processing of the adjustment tank 1 is easier than in a conventional adjustment tank in which introduction means is provided on a cylindrical side wall.

また、内槽10に導入される試料液は、内槽底12側から導入されるため、内槽10内での試料液の旋回流の流速を高めることができ、内槽壁11の内周面に異物が残存しにくい効果を高めることができる。   Further, since the sample liquid introduced into the inner tank 10 is introduced from the inner tank bottom 12 side, the flow velocity of the swirling flow of the sample liquid in the inner tank 10 can be increased, and the inner circumference of the inner tank wall 11 can be increased. The effect that foreign matters hardly remain on the surface can be enhanced.

さらに、内槽10の底面である内槽底12はすり鉢状であるため、内槽10内での試料液の旋回流の流速をさらに高めることができ、内槽壁11の内周面に異物が残存しにくい効果をさらに高めることができる。   Further, since the inner tank bottom 12 which is the bottom of the inner tank 10 has a mortar shape, the flow velocity of the swirling flow of the sample liquid in the inner tank 10 can be further increased, and foreign matters are formed on the inner peripheral surface of the inner tank wall 11. Can be further improved.

さらにまた、導入器30の高さ方向の長さは可変であるため、内槽10内での試料液の旋回流が形成されやすいように、例えば、試料液の種類や内槽底12の形状などに応じて導入器30の高さ方向の長さを容易に調整することができる。   Furthermore, since the length of the introducer 30 in the height direction is variable, for example, the type of the sample liquid and the shape of the inner tank bottom 12 are adjusted so that the swirling flow of the sample liquid in the inner tank 10 is easily formed. The length in the height direction of the introducer 30 can be easily adjusted according to the conditions.

なお、以上説明した実施の形態は、導入器30から吐出される試料液を内槽壁11に当てながら内槽10に導入する構成であった。これに代えて、内槽底12から吐出部36までの高さ方向の長さや、吐出部36の吐出方向を設定することで、導入器30から吐出される試料液を内槽底12に当てながら導入する構成としてもよい。この構成によれば、内槽底12がすり鉢状であることから、内槽底12に当たった試料液は内槽10内で旋回流を形成する。その結果、内槽壁11の内周面に異物を残存しにくくすることができる。   In the embodiment described above, the sample liquid discharged from the introducer 30 is introduced into the inner tank 10 while being applied to the inner tank wall 11. Alternatively, by setting the length in the height direction from the inner tank bottom 12 to the discharge unit 36 and the discharge direction of the discharge unit 36, the sample liquid discharged from the introducer 30 is applied to the inner tank bottom 12. It is good also as a structure introduced. According to this configuration, since the inner tank bottom 12 has a mortar shape, the sample liquid that has hit the inner tank bottom 12 forms a swirling flow in the inner tank 10. As a result, it is possible to make it difficult for foreign matters to remain on the inner peripheral surface of the inner tank wall 11.

1 調整槽
10 内槽
10h 供給口
11 内槽壁
12 内槽底
20 外槽
21 外槽壁
30 導入器
30h 導入口
40 外槽底
40h 排出口
50 支持台


DESCRIPTION OF SYMBOLS 1 Adjustment tank 10 Inner tank 10h Supply port 11 Inner tank wall 12 Inner tank bottom 20 Outer tank 21 Outer tank wall 30 Introducer 30h Inlet 40 Outer tank bottom 40h Outlet 50 Support


Claims (6)

上端が開口する有底円筒状で、導入された試料液の旋回流が形成される内槽と、
前記内槽に前記試料液を導入する導入器と、
前記導入器から前記内槽に導入された前記試料液のうち、前記開口からオーバフローした前記試料液が流入する外槽と、
を有してなる調整槽であって、
前記導入器は、前記内槽の底面に立設され、
前記内槽の底面には、前記内槽に導入された前記試料液の水質を測定する測定装置に接続される供給口が設けられる
ことを特徴とする調整槽。
An inner tank in which a swirling flow of the introduced sample liquid is formed with a bottomed cylindrical shape having an open upper end,
An introducer for introducing the sample liquid into the inner tank;
Of the sample liquid introduced into the inner tank from the introducer, an outer tank into which the sample liquid overflowed from the opening flows,
An adjustment tank comprising:
The introducer is erected on the bottom of the inner tank ,
On the bottom surface of the inner tank, a supply port connected to a measuring device that measures the quality of the sample liquid introduced into the inner tank is provided .
An adjustment tank characterized by the following.
前記導入器は、前記内槽の側壁に向けて前記試料液を導入する、
請求項1記載の調整槽。
The introducer introduces the sample liquid toward a side wall of the inner tank,
The adjustment tank according to claim 1.
前記導入器は、前記内槽の底面に向けて前記試料液を導入する、
請求項1記載の調整槽。
The introducer introduces the sample liquid toward a bottom surface of the inner tank,
The adjustment tank according to claim 1.
前記導入器の高さ方向の長さは、可変である、
請求項1乃至3のいずれかに記載の調整槽。
The height of the introducer is variable;
The adjustment tank according to claim 1.
前記内槽の底面は、すり鉢状である、
請求項1乃至4のいずれかに記載の調整槽。
The bottom surface of the inner tank has a mortar shape,
The adjustment tank according to claim 1.
記供給口には、前記試料液に含まれる異物を捕捉するフィルタが配置される、
請求項1乃至5のいずれかに記載の調整槽。
The front Symbol supply port, a filter for trapping foreign matter contained in the sample liquid are arranged,
The adjustment tank according to claim 1.
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