JP6758945B2 - Filtration device - Google Patents
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- JP6758945B2 JP6758945B2 JP2016123612A JP2016123612A JP6758945B2 JP 6758945 B2 JP6758945 B2 JP 6758945B2 JP 2016123612 A JP2016123612 A JP 2016123612A JP 2016123612 A JP2016123612 A JP 2016123612A JP 6758945 B2 JP6758945 B2 JP 6758945B2
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Description
本発明は、イオン交換式の濾過装置に関する。 The present invention relates to an ion exchange type filtration device.
現在、井戸の井戸水を飲用水に処理するために、除鉄除マンガン槽を用いた濾過装置により、井戸水から鉄及びマンガンを除去する技術が知られている。また、このような濾過装置に用いる除鉄除マンガン槽として、イオン交換樹脂を用いた、所謂イオン交換式の除鉄除マンガン槽が知られている（例えば、特許文献１参照）。 Currently, in order to treat well water in a well into drinking water, a technique for removing iron and manganese from well water by a filtration device using an iron-removing manganese-removing tank is known. Further, as an iron-removing manganese tank used for such a filtration device, a so-called ion-exchange type iron-removing manganese tank using an ion exchange resin is known (see, for example, Patent Document 1).
このような濾過装置は、除鉄除マンガン槽で処理を行った井戸水に次亜塩素酸ナトリウムを注入し、当該井戸水を除菌することで、井戸水を飲用水に処理する。 In such a filtration device, sodium hypochlorite is injected into the well water treated in the iron-removing manganese-removing tank, and the well water is sterilized to treat the well water into drinking water.
上述した濾過装置では、以下の問題があった。即ち、イオン交換樹脂を用いた除鉄除マンガン槽は、主として樹脂材料により構成されるため、槽内の凍結を防止するためにヒータ等を槽に直接設けることができない。このため、凍結が予想される地域においては、濾過装置を設置するための小屋を設け、小屋内の室温を一定に保つ等の対策が必要となり、設備コストが増大するという問題がある。 The above-mentioned filtration device has the following problems. That is, since the iron-removing manganese-removing tank using an ion exchange resin is mainly composed of a resin material, a heater or the like cannot be directly provided in the tank in order to prevent freezing in the tank. Therefore, in an area where freezing is expected, it is necessary to provide a hut for installing a filtration device and take measures such as keeping the room temperature in the small room constant, which causes a problem that the equipment cost increases.
このような問題に対し、濾過装置は、例えば、外気温や水温等の温度を検知し、凍結が予想される温度となった場合に流路を開けて濾過装置を駆動し、凍結しない温度である場合には、流路を閉じる開閉制御を行うことも考えられる。 In response to such problems, the filtration device detects, for example, temperatures such as outside air temperature and water temperature, and when the temperature reaches the temperature at which freezing is expected, the flow path is opened to drive the filtration device at a temperature at which it does not freeze. In some cases, it is conceivable to perform open / close control to close the flow path.
しかし、温度検知のみで開閉制御を行う場合には、流路を開いた後に流路を閉じる復帰温度以上にならないと、濾過装置の駆動が継続して行われる。結果、濾過装置の駆動コストの増加や、イオン交換樹脂等の濾過材の再生サイクルの短縮となる問題もある。 However, when the opening / closing control is performed only by detecting the temperature, the filtration device is continuously driven unless the temperature reaches the return temperature at which the flow path is closed after the flow path is opened. As a result, there is a problem that the driving cost of the filtration device is increased and the regeneration cycle of the filtration material such as an ion exchange resin is shortened.
そこで本発明は、容易に凍結が防止できる、イオン交換式の濾過装置を提供することを目的とする。 Therefore, an object of the present invention is to provide an ion exchange type filtration device that can easily prevent freezing.
前記課題を解決し目的を達成するために、本発明の濾過装置は次のように構成されている。 In order to solve the above problems and achieve the object, the filtration device of the present invention is configured as follows.
本発明の一態様として、濾過装置は、イオン交換式の除鉄除マンガン槽と、前記除鉄除マンガン槽の二次側に接続された給水管と、前記給水管の中途部に設けられ、開閉により前記給水管の一次側及び二次側の接続、並びに、前記給水管の一次側及び排水先の接続を切り換える電磁開閉弁と、前記除鉄除マンガン槽の温度を検出する温度センサと、前記温度センサで検出された温度が所定の時間継続して水が凍結する温度以下である場合に、前記電磁開閉弁を制御して前記給水管の一次側及び前記排水先を接続する制御盤と、を備え、前記制御盤は、前記温度センサで検出された温度が所定の時間継続して凍結温度以下である場合に、前記電磁開閉弁を制御して、所定の間隔で、所定の時間、前記給水管の一次側及び前記排水先を間欠的に接続する。 As one aspect of the present invention, the filtration device is provided in the middle of the ion exchange type iron removal manganese removal tank, the water supply pipe connected to the secondary side of the iron removal manganese removal tank, and the water supply pipe. An electromagnetic on-off valve that switches the connection between the primary side and the secondary side of the water supply pipe and the connection between the primary side and the drainage destination of the water supply pipe by opening and closing, and a temperature sensor that detects the temperature of the iron removal and manganese removal tank. When the temperature detected by the temperature sensor is equal to or lower than the temperature at which water freezes continuously for a predetermined time, the control panel that controls the electromagnetic on-off valve to connect the primary side of the water supply pipe and the drainage destination. When the temperature detected by the temperature sensor is continuously equal to or lower than the freezing temperature for a predetermined time, the control panel controls the electromagnetic on-off valve at predetermined intervals for a predetermined time. The primary side of the water supply pipe and the drainage destination are intermittently connected.
本発明によれば、容易に凍結が防止できる、イオン交換式の濾過装置を提供することが可能となる。 According to the present invention, it is possible to provide an ion exchange type filtration device that can easily prevent freezing.
以下、本発明の一実施形態に係る濾過装置１を、図１及び図２を用いて説明する。
図１は本発明の一実施形態に係る濾過装置１の構成を示す側面図、図２は濾過装置１の構成を一部切欠して示す平面図である。
Hereinafter, the filtration device 1 according to the embodiment of the present invention will be described with reference to FIGS. 1 and 2.
FIG. 1 is a side view showing the configuration of the filtration device 1 according to the embodiment of the present invention, and FIG. 2 is a plan view showing the configuration of the filtration device 1 with a part cutout.
図１及び図２に示すように、濾過装置１は、ベース１０と、ベース１０上に設けられた除鉄除マンガン槽１１と、ベース１０上に設けられた除菌器１２と、除鉄除マンガン槽１１及び除菌器１２を接続する給水管１３と、給水管１３の中途部に設けられた分岐部１４と、分岐部１４に接続された開閉弁１５と、開閉弁１５及び除菌器１２を接続する配管１６と、温度センサ１７と、制御盤１８と、を備えている。 As shown in FIGS. 1 and 2, the filtration device 1 includes a base 10, an iron-removing manganese tank 11 provided on the base 10, a sterilizer 12 provided on the base 10, and iron-removing. A water supply pipe 13 connecting the manganese tank 11 and a sterilizer 12, a branch portion 14 provided in the middle of the water supply pipe 13, an on-off valve 15 connected to the branch portion 14, an on-off valve 15 and a sterilizer. A pipe 16 connecting the 12s, a temperature sensor 17, and a control panel 18 are provided.
ベース１０は、濾過装置１の設置面に固定される。ベース１０は、その上面に除鉄除マンガン槽１１及び除菌器１２を隣接して配置可能に構成される。また、ベース１０は、除菌器１２の上方に制御盤１８を配置する架台１０ａを備える。 The base 10 is fixed to the installation surface of the filtration device 1. The base 10 is configured such that an iron removal manganese removal tank 11 and a sterilizer 12 can be arranged adjacent to each other on the upper surface thereof. Further, the base 10 includes a pedestal 10a for arranging the control panel 18 above the sterilizer 12.
除鉄除マンガン槽１１は、濾過材としてイオン交換樹脂を用いた、所謂イオン交換式の除鉄除マンガン槽である。除鉄除マンガン槽１１は、例えば、塩水タンク２１と、塩水タンク２１内に設けられた樹脂筒２２と、塩水タンク２１の上端に設けられた制御バルブ２３と、塩水タンク２１上の制御バルブ２３を覆うカバー２４と、塩水タンク２１をベース１０に固定する支持部２５と、を備えている。 The iron-removing manganese-removing tank 11 is a so-called ion-exchange type iron-removing manganese-removing tank that uses an ion exchange resin as a filter material. The iron-removing manganese-removing tank 11 includes, for example, a salt water tank 21, a resin cylinder 22 provided in the salt water tank 21, a control valve 23 provided at the upper end of the salt water tank 21, and a control valve 23 on the salt water tank 21. A cover 24 for covering the salt water tank 21 and a support portion 25 for fixing the salt water tank 21 to the base 10 are provided.
塩水タンク２１は、塩水を供給する供給管２１ａが接続される。
樹脂筒２２は、その内部にイオン交換樹脂が収容される。樹脂筒２２は、その内部の上方に、制御バルブ２３に流体的に接続された散水管と、その内部の下方に給水管１３と流体的に接続される集水管と、を備えている。樹脂筒２２は、散水管から吐出された井戸水がイオン交換樹脂を通過して集水管から二次側の給水管１３に吐出されることで、井戸水中の鉄、マンガン及び不純物等を除去可能に構成される。なお、樹脂筒２２の一次側には、井戸に接続される配管、及び、井戸水を圧送するポンプが接続されている。
A supply pipe 21a for supplying salt water is connected to the salt water tank 21.
The ion exchange resin is housed in the resin cylinder 22. The resin cylinder 22 includes a sprinkler pipe fluidly connected to the control valve 23 above the inside thereof, and a water collection pipe fluidly connected to the water supply pipe 13 below the inside thereof. The resin cylinder 22 can remove iron, manganese, impurities, etc. in the well water by allowing the well water discharged from the sprinkler pipe to pass through the ion exchange resin and be discharged from the water collecting pipe to the water supply pipe 13 on the secondary side. It is composed. A pipe connected to the well and a pump for pumping well water are connected to the primary side of the resin cylinder 22.
制御バルブ２３は、井戸に接続される給水管に接続される。制御バルブ２３は、開閉することで、通常運転、樹脂筒２２を洗浄する逆洗運転、イオン交換樹脂に塩水を通水して、鉄及びマンガン等を排出する再生運転、及び、塩水タンク２１に注水を行う注水運転を切り換える。 The control valve 23 is connected to a water supply pipe connected to the well. By opening and closing the control valve 23, a normal operation, a backwash operation for cleaning the resin cylinder 22, a regeneration operation for passing salt water through the ion exchange resin to discharge iron, manganese, etc., and a salt water tank 21 Switch the water injection operation to inject water.
除菌器１２は、ベース１０上に固定される基部３１と、タンク３２と、配管ユニット３３と、薬液注入手段３４と、連結管３５と、制御部３６と、を備えている。除菌器１２は、連結管３５の一次側が給水管１３を介して除鉄除マンガン槽１１に接続される。また、除菌器１２は、連結管３５の二次側が蛇口や処理水用タンク等の給水先に接続される。 The sterilizer 12 includes a base 31 fixed on the base 10, a tank 32, a piping unit 33, a chemical injection means 34, a connecting pipe 35, and a control unit 36. In the sterilizer 12, the primary side of the connecting pipe 35 is connected to the iron-removing manganese-removing tank 11 via the water supply pipe 13. Further, in the sterilizer 12, the secondary side of the connecting pipe 35 is connected to a water supply destination such as a faucet or a treated water tank.
除菌器１２は、薬液を除鉄除マンガン槽１１で処理された給水管１３を流れる井戸水に注入可能に構成される。薬液は、タンク３２に投入された所定の濃度の次亜塩素酸ナトリウムの原液を希釈水で希釈した所定の濃度の次亜塩素酸ナトリウムが用いられる。
基部３１は、高さの異なる上面を有し、タンク３２、薬液注入手段３４及び連結管３５を支持する架台である。
The sterilizer 12 is configured so that the chemical solution can be injected into the well water flowing through the water supply pipe 13 treated in the iron removal manganese removal tank 11. As the chemical solution, sodium hypochlorite having a predetermined concentration obtained by diluting a stock solution of sodium hypochlorite having a predetermined concentration charged into the tank 32 with diluting water is used.
The base 31 has upper surfaces having different heights, and is a pedestal that supports the tank 32, the chemical injection means 34, and the connecting pipe 35.
タンク３２は、樹脂材料で形成され、その内部に所定の量の薬液を貯留可能に形成されている。タンク３２は、基部３１に固定される。タンク３２は、次亜塩素酸ナトリウムを貯留するタンク本体３２ａと、タンク本体３２ａの上面に設けられ、次亜塩素酸ナトリウムの原液を供給する投入口３２ｂと、投入口３２ｂを覆う蓋３２ｃと、タンク本体３２ａ内の次亜塩素酸ナトリウムの水位を視認可能に構成された水位検出メモリ３２ｄと、を備えている。タンク３２は、給水管１３の分岐部１４に開閉弁１５を介して接続された配管１６に流体的に接続される。 The tank 32 is made of a resin material, and a predetermined amount of chemical solution can be stored in the tank 32. The tank 32 is fixed to the base 31. The tank 32 includes a tank body 32a for storing sodium hypochlorite, an inlet 32b provided on the upper surface of the tank body 32a for supplying a stock solution of sodium hypochlorite, and a lid 32c for covering the inlet 32b. It is provided with a water level detection memory 32d configured so that the water level of sodium hypochlorite in the tank body 32a can be visually recognized. The tank 32 is fluidly connected to the pipe 16 connected to the branch portion 14 of the water supply pipe 13 via the on-off valve 15.
タンク本体３２ａは、配管１６が接続される。投入口３２ｂは、タンク本体３２ａの上面に設けられた開口である。蓋３２ｃは、投入口３２ｂを覆う。水位検出メモリ３２ｄは、給水管１３に隣接してタンク本体３２ａに設けられる。 The pipe 16 is connected to the tank body 32a. The inlet 32b is an opening provided on the upper surface of the tank body 32a. The lid 32c covers the inlet 32b. The water level detection memory 32d is provided in the tank body 32a adjacent to the water supply pipe 13.
配管ユニット３３は、タンク３２及び薬液注入手段３４間に接続され、タンク本体３２ａ内から薬液注入手段３４への薬液の流路を構成する。 The piping unit 33 is connected between the tank 32 and the chemical solution injection means 34, and constitutes a flow path for the chemical solution from the inside of the tank body 32a to the chemical solution injection means 34.
薬液注入手段３４は、薬液を一定量圧送し、連結管３５に注入可能なポンプ３４ａと、ポンプ３４ａ及び連結管３５を接続させるとともに、連結管３５内に注入した薬液及び連結管３５を流れる井戸水の逆流を防止可能に形成された薬液注入部３４ｂと、を備えている。ポンプ３４ａは、例えば、ソレノイドにより往復動するダイヤフラムポンプである。薬液注入部３４ｂは、可撓性を有する樹脂チューブと逆止弁等により構成される。 The chemical solution injection means 34 pumps a constant amount of the chemical solution to connect the pump 34a, which can be injected into the connecting pipe 35, the pump 34a and the connecting pipe 35, and the chemical solution injected into the connecting pipe 35 and the well water flowing through the connecting pipe 35. It is provided with a chemical injection portion 34b formed so as to prevent backflow of the above. The pump 34a is, for example, a diaphragm pump that reciprocates by a solenoid. The chemical injection portion 34b is composed of a flexible resin tube, a check valve, and the like.
連結管３５は、一次側に流量検出器３５ａが設けられる。連結管３５は、二次側に薬液注入部３４ｂが接続される。連結管３５は、一次側が給水管１３に接続され、二次側が給水先に接続される。また、連結管３５の二次側には、連結管３５の流路を開閉する電磁弁が設けられている。 The connecting pipe 35 is provided with a flow rate detector 35a on the primary side. The chemical solution injection portion 34b is connected to the secondary side of the connecting pipe 35. The primary side of the connecting pipe 35 is connected to the water supply pipe 13, and the secondary side is connected to the water supply destination. Further, on the secondary side of the connecting pipe 35, an electromagnetic valve for opening and closing the flow path of the connecting pipe 35 is provided.
制御部３６は、例えば、流量検出器３５ａで検出された流量に基づいてポンプ３４ａのソレノイドを制御することで、ポンプ３４ａから連結管３５に注入する薬液の注入量を制御可能に構成されている。 The control unit 36 is configured to be able to control the injection amount of the chemical solution to be injected from the pump 34a into the connecting pipe 35 by controlling the solenoid of the pump 34a based on the flow rate detected by the flow rate detector 35a, for example. ..
給水管１３は、一端が除鉄除マンガン槽１１の二次側に接続され、他端が連結管３５に接続される。給水管１３は、ベント管、直管、可撓性を有するチューブ若しくはホース、及び、分岐管等の組み合わせにより構成される。給水管１３は、その中途部に、給水管１３内の流路を開閉する電磁開閉弁１３ａを有する。 One end of the water supply pipe 13 is connected to the secondary side of the iron removal / manganese removal tank 11, and the other end is connected to the connecting pipe 35. The water supply pipe 13 is composed of a combination of a vent pipe, a straight pipe, a flexible tube or hose, a branch pipe, and the like. The water supply pipe 13 has an electromagnetic on-off valve 13a that opens and closes a flow path in the water supply pipe 13 in the middle of the water supply pipe 13.
電磁開閉弁１３ａは、制御盤１８からの信号に基づいて流路を開閉可能に構成された二方弁である。電磁開閉弁１３ａは、閉状態においては、給水管１３の一次側と二次側とを接続する流路を構成し、開状態においては、給水管１３の一次側とドレン等の排水先とを接続する流路を構成する。 The electromagnetic on-off valve 13a is a two-way valve configured to open and close the flow path based on a signal from the control panel 18. The electromagnetic on-off valve 13a constitutes a flow path connecting the primary side and the secondary side of the water supply pipe 13 in the closed state, and connects the primary side of the water supply pipe 13 and the drainage destination such as a drain in the open state. Configure the flow path to connect.
分岐部１４は、給水管１３の中途部に配置された分岐管である。分岐部１４は、給水管１３内の除鉄除マンガン槽１１から連結管３５への水の流れの一部を分岐する。 The branch portion 14 is a branch pipe arranged in the middle of the water supply pipe 13. The branch portion 14 branches a part of the flow of water from the iron removal / manganese removal tank 11 in the water supply pipe 13 to the connecting pipe 35.
開閉弁１５は、手動で開閉可能に構成される。開閉弁１５は、例えば、コックである。 The on-off valve 15 is configured to be manually openable and closable. The on-off valve 15 is, for example, a cock.
配管１６は、開閉弁１５及びタンク本体３２ａ内を流体的に接続する、例えば可撓性を有するチューブである。配管１６は、一端が開閉弁１５に接続される。配管１６は、他端がタンク本体３２ａ、投入口３２ｂ又は蓋３２ｃに接続されることで、タンク本体３２ａ内に接続される。 The pipe 16 is, for example, a flexible tube that fluidly connects the on-off valve 15 and the inside of the tank body 32a. One end of the pipe 16 is connected to the on-off valve 15. The other end of the pipe 16 is connected to the tank body 32a, the inlet 32b, or the lid 32c, so that the pipe 16 is connected to the inside of the tank body 32a.
温度センサ１７は、外気温を検出可能に構成される。温度センサ１７は、信号線等を介して制御盤１８に電気的に接続される。温度センサ１７は、検出した温度情報を制御盤１８に送信可能に構成される。なお、温度センサ１７は、除鉄除マンガン槽１１及び給水管１３を流れる水が凍結する温度を検知可能であればよく、例えば、給水管１３に設けられた水温計であってもよい。 The temperature sensor 17 is configured to be able to detect the outside air temperature. The temperature sensor 17 is electrically connected to the control panel 18 via a signal line or the like. The temperature sensor 17 is configured to be able to transmit the detected temperature information to the control panel 18. The temperature sensor 17 may be a water temperature gauge provided in the water supply pipe 13 as long as it can detect the temperature at which the water flowing through the iron removal manganese removal tank 11 and the water supply pipe 13 freezes.
制御盤１８は、記憶部１８ａを有する。記憶部１８ａには、凍結が生じる温度Ｔ、後述する凍結防止運転を行う判断を行う時間ｔ１、凍結防止運転を行うときに、電磁開閉弁１３ａを開閉する間隔の時間ｔ２、電磁開閉弁１３ａを開く時間ｔ３、凍結防止運転を行っていることを外部に出力する信号を出力する電磁開閉弁１３ａの開閉回数Ａが記憶されている。 The control panel 18 has a storage unit 18a. The storage unit 18a is provided with a temperature T at which freezing occurs, a time t1 for determining the antifreezing operation described later, a time t2 for opening and closing the electromagnetic on-off valve 13a when performing the antifreezing operation, and an electromagnetic on-off valve 13a. The opening time t3 and the number of times A of opening and closing of the electromagnetic on-off valve 13a for outputting a signal for outputting the antifreezing operation to the outside are stored.
制御盤１８は、電磁開閉弁１３ａ、及び、連結管３５の二次側に設けられた電磁弁を切り替える。制御盤１８は、井戸水を圧送するポンプを制御する。また、制御盤１８は、温度センサ１７で検出した温度情報に基づいて、凍結防止運転を行う機能を有する。 The control panel 18 switches between the solenoid on-off valve 13a and the solenoid valve provided on the secondary side of the connecting pipe 35. The control panel 18 controls a pump that pumps well water. Further, the control panel 18 has a function of performing anti-freezing operation based on the temperature information detected by the temperature sensor 17.
具体的には、凍結防止運転として、制御盤１８は、記憶部１８ａに記憶された温度Ｔと温度センサ１７で検出した温度情報を比較し、検出した温度が、温度Ｔ以下となった場合には、検出した温度が温度Ｔ以下となった時間をカウントする。当該カウントした時間が記憶部１８ａに記憶された時間ｔ１を超えた場合には、制御盤１８は、時間ｔ２の間隔で、時間ｔ３の間、電磁開閉弁１３ａを開く。 Specifically, as an antifreeze operation, the control panel 18 compares the temperature T stored in the storage unit 18a with the temperature information detected by the temperature sensor 17, and when the detected temperature becomes the temperature T or less. Counts the time when the detected temperature becomes the temperature T or less. When the counted time exceeds the time t1 stored in the storage unit 18a, the control panel 18 opens the electromagnetic on-off valve 13a for the time t3 at the interval of the time t2.
電磁開閉弁１３ａを開いている間、制御盤１８は、井戸水を圧送するポンプを駆動する信号を出力し、当該ポンプを駆動する。これにより、ポンプにより供給された井戸水が樹脂筒２２を通過し、電磁開閉弁１３ａを介して排水される。 While the electromagnetic on-off valve 13a is open, the control panel 18 outputs a signal for driving a pump that pumps well water to drive the pump. As a result, the well water supplied by the pump passes through the resin cylinder 22 and is drained through the electromagnetic on-off valve 13a.
次に、制御盤１８は、電磁開閉弁１３ａを開閉した回数をカウントし、記憶部１８ａに記憶された開閉回数Ａを超えた場合には、凍結防止運転を行っている信号を外部に出力する。なお、この信号の出力は、光による報知、タブレットやＰＣ端末等に表示する信号、制御盤１８に別途設けられる表示部への表示等があげられる。 Next, the control panel 18 counts the number of times the electromagnetic on-off valve 13a is opened and closed, and when the number of times of opening and closing A stored in the storage unit 18a is exceeded, the control panel 18 outputs a signal performing the antifreezing operation to the outside. .. The output of this signal includes notification by light, a signal to be displayed on a tablet, a PC terminal, or the like, a display on a display unit separately provided on the control panel 18, and the like.
また、制御盤１８は、電磁開閉弁１３ａが開いているときに流量検出器３５ａで流量が一定時間の間継続して検出された場合には、電磁開閉弁１３ａを閉じて、井戸水を圧送するポンプを駆動する信号の出力を停止する。 Further, when the flow rate detector 35a continuously detects the flow rate for a certain period of time while the electromagnetic on-off valve 13a is open, the control panel 18 closes the electromagnetic on-off valve 13a and pumps well water. Stop the output of the signal that drives the pump.
このように構成された濾過装置１によれば、除鉄除マンガン槽１１の樹脂筒２２に接続された給水管１３の中途部に分岐部１４を設け、当該分岐部１４の二次側に接続された開閉弁１５及び配管１６を介して、給水管１３をタンク３２に流体的に接続する。これにより、投入口３２ｂから次亜塩素酸ナトリウムの原液をタンク本体３２ａに投入した後に、開閉弁１５を開けることで、除鉄除マンガン槽１１で処理した井戸水を希釈水として、タンク本体３２ａ内に供給することが可能となる。 According to the filtration device 1 configured in this way, a branch portion 14 is provided in the middle of the water supply pipe 13 connected to the resin cylinder 22 of the iron removal and manganese removal tank 11, and is connected to the secondary side of the branch portion 14. The water supply pipe 13 is fluidly connected to the tank 32 via the on-off valve 15 and the pipe 16. As a result, the stock solution of sodium hypochlorite is charged into the tank body 32a from the charging port 32b, and then the on-off valve 15 is opened to use the well water treated in the iron-removing manganese-removing tank 11 as diluting water in the tank body 32a. Can be supplied to.
また、濾過装置１は、温度センサ１７で検出された温度が、凍結が生じる温度Ｔ以下となった場合に、電磁開閉弁１３ａを開けて井戸水を圧送するポンプを駆動することで、樹脂筒２２内の水を入れ替えること及び樹脂筒２２内の水を排水することが可能となる。これにより、除鉄除マンガン槽１１内及び給水管１３内の水が凍結することを防止できる。 Further, when the temperature detected by the temperature sensor 17 becomes equal to or lower than the temperature T at which freezing occurs, the filtration device 1 opens the electromagnetic on-off valve 13a and drives a pump for pumping well water to drive the resin cylinder 22. It is possible to replace the water inside and drain the water inside the resin cylinder 22. As a result, it is possible to prevent the water in the iron-removing manganese-removing tank 11 and the water supply pipe 13 from freezing.
また、制御盤１８は、外気温又は水温が凍結温度以下となった場合であっても、所定の時間ｔ１が経過するまでは、凍結防止運転を行わない。即ち、温度センサ１７で検出された温度が所定の時間ｔ１継続して凍結温度Ｔ以下である場合に、凍結防止運転を行う。 Further, even if the outside air temperature or the water temperature becomes equal to or lower than the freezing temperature, the control panel 18 does not perform the anti-freezing operation until a predetermined time t1 elapses. That is, when the temperature detected by the temperature sensor 17 is continuously equal to or lower than the freezing temperature T for a predetermined time t1, the antifreezing operation is performed.
また、制御盤１８は、凍結防止運転中において、時間ｔ２の間隔で、時間ｔ３の間、電磁開閉弁１３ａを間欠的に開くとともに、同様に井戸水を圧送するポンプを駆動することから、凍結防止運転が継続して長時間行われることを防止できる。なお、時間ｔ２、ｔ３は、濾過装置１の機能や寸法形状等に応じて、凍結温度以下において、樹脂筒２２内の水が凍結しない任意の時間が設定される。 Further, during the antifreezing operation, the control panel 18 intermittently opens the electromagnetic on-off valve 13a for the time t3 at intervals of the time t2, and also drives a pump that pumps well water in the same manner to prevent freezing. It is possible to prevent the operation from being continuously performed for a long time. The times t2 and t3 are set to arbitrary times during which the water in the resin cylinder 22 does not freeze at a freezing temperature or lower, depending on the function, size and shape of the filtration device 1.
このように、濾過装置１は、瞬間的に温度が低下した場合等に凍結防止運転を行わず、且つ、凍結防止運転中に間欠的に井戸水を圧送するポンプを駆動する運転コストの増加を防止できる。 In this way, the filtration device 1 does not perform the antifreezing operation when the temperature drops momentarily, and prevents an increase in the operating cost of driving a pump that intermittently pumps well water during the antifreezing operation. it can.
結果、濾過装置１は、運転コストの増加を防止できる。また、濾過装置１は、凍結防止運転においてイオン交換樹脂を通過する水量を低減することが可能となり、イオン交換樹脂の再生サイクルが短縮することを抑制できる。 As a result, the filtration device 1 can prevent an increase in operating cost. Further, the filtration device 1 can reduce the amount of water passing through the ion exchange resin in the antifreeze operation, and can suppress the shortening of the regeneration cycle of the ion exchange resin.
上述したように、本発明の一実施形態に係る濾過装置１によれば、温度センサ１７で検出される温度が凍結温度以下である場合に、所定の条件により電磁開閉弁１３ａを開閉し、且つ、井戸水を圧送するポンプを運転することで、容易に除鉄除マンガン槽１１の凍結が防止できる。 As described above, according to the filtration device 1 according to the embodiment of the present invention, when the temperature detected by the temperature sensor 17 is equal to or lower than the freezing temperature, the electromagnetic on-off valve 13a is opened and closed under predetermined conditions, and the electromagnetic on-off valve 13a is opened and closed. By operating a pump that pumps well water, it is possible to easily prevent the iron removal / manganese removal tank 11 from freezing.
なお、本発明は上記実施形態の構成に限定されるものではない。上述した例では、開閉弁１５は、手動で開閉するコックを用いる構成を説明したがこれに限定されず、制御盤１８により自動で開閉する自動開閉弁であってもよい。また、上述した例では、温度センサ１７は、外気温又は水温を検出する構成を説明したがこれに限定されず、除鉄除マンガン槽１１の温度、即ち当該槽１１内の水が凍結温度以下であるか否かを検出又は判断可能であれば、他の方法により温度を検出する構成であってもよい。このような構成とすることで、次亜塩素酸ナトリウムの濃度に基づいて予め希釈水として必要な量の水を制御盤１８に記憶させ、当該記憶させた情報に基づいて開閉弁１５の開閉を制御することで、次亜塩素酸ナトリウムの濃度を調整する作業を容易とすることが可能となる。この他、本発明の要旨を逸脱しない範囲で種々変形実施可能である。
以下に、本願出願の当初の特許請求の範囲に記載された発明と同等の記載を付記する。
［１］ イオン交換式の除鉄除マンガン槽と、
前記除鉄除マンガン槽の二次側に接続された給水管と、
前記給水管の中途部に設けられ、開閉により前記給水管の一次側及び二次側の接続、並びに、前記給水管の一次側及び排水先の接続を切り換える電磁開閉弁と、
前記除鉄除マンガン槽の温度を検出する温度センサと、
前記温度センサで検出された温度が所定の時間継続して水が凍結する温度以下である場合に、前記電磁開閉弁を制御して前記給水管の一次側及び前記排水先を接続する制御盤と、
を備えることを特徴とする濾過装置。
［２］ 前記制御盤は、前記温度センサで検出された温度が所定の時間継続して凍結温度以下である場合に、所定の間隔で、所定の時間、前記電磁開閉弁を制御して前記給水管の一次側及び前記排水先を接続することを特徴とする［１］に記載の濾過装置。
The present invention is not limited to the configuration of the above embodiment. In the above-described example, the on-off valve 15 has described a configuration using a cock that opens and closes manually, but the present invention is not limited to this, and the on-off valve 15 may be an automatic on-off valve that automatically opens and closes by the control panel 18. Further, in the above-described example, the configuration for detecting the outside air temperature or the water temperature of the temperature sensor 17 has been described, but the present invention is not limited to this, and the temperature of the iron removal manganese removal tank 11, that is, the water in the tank 11 is equal to or lower than the freezing temperature. If it is possible to detect or determine whether or not the temperature is detected, the temperature may be detected by another method. With such a configuration, the control panel 18 stores the required amount of water as diluted water in advance based on the concentration of sodium hypochlorite, and opens and closes the on-off valve 15 based on the stored information. By controlling it, it becomes possible to facilitate the work of adjusting the concentration of sodium hypochlorite. In addition, various modifications can be carried out without departing from the gist of the present invention.
The following is a description equivalent to the invention described in the claims of the original application of the present application.
[1] Ion exchange type iron removal manganese removal tank and
A water supply pipe connected to the secondary side of the iron removal and manganese removal tank,
An electromagnetic on-off valve provided in the middle of the water supply pipe to switch the connection between the primary side and the secondary side of the water supply pipe and the connection between the primary side and the drainage destination of the water supply pipe by opening and closing.
A temperature sensor that detects the temperature of the iron removal and manganese removal tank, and
When the temperature detected by the temperature sensor is equal to or lower than the temperature at which water freezes continuously for a predetermined time, the control panel that controls the electromagnetic on-off valve to connect the primary side of the water supply pipe and the drainage destination. ,
A filtration device characterized by comprising.
[2] When the temperature detected by the temperature sensor is continuously below the freezing temperature for a predetermined time, the control panel controls the electromagnetic on-off valve at a predetermined interval for a predetermined time to supply the water. The filtration device according to [1], wherein the primary side of the pipe and the drainage destination are connected.
１…濾過装置、１０…ベース、１０ａ…架台、１１…除鉄除マンガン槽、１２…除菌器、１３…給水管、１４…分岐部、１５…開閉弁、１６…配管、１７…温度センサ、１８…制御盤、１８ａ…記憶部、２１…塩水タンク、２１ａ…供給管、２２…樹脂筒、２３…制御バルブ、２４…カバー、２５…支持部、３１…基部、３２…タンク、３２ａ…タンク本体、３２ｂ…投入口、３２ｃ…蓋、３２ｄ…水位検出メモリ、３３…配管ユニット、３４…薬液注入手段、３４ａ…ポンプ、３４ｂ…薬液注入部、３５…連結管、３５ａ…流量検出器、３６…制御部。 1 ... Filtering device, 10 ... Base, 10a ... Stand, 11 ... Iron removal and manganese removal tank, 12 ... Sterilizer, 13 ... Water supply pipe, 14 ... Branch, 15 ... On-off valve, 16 ... Piping, 17 ... Temperature sensor , 18 ... Control panel, 18a ... Storage unit, 21 ... Salt water tank, 21a ... Supply pipe, 22 ... Resin cylinder, 23 ... Control valve, 24 ... Cover, 25 ... Support part, 31 ... Base, 32 ... Tank, 32a ... Tank body, 32b ... Input port, 32c ... Lid, 32d ... Water level detection memory, 33 ... Piping unit, 34 ... Chemical injection means, 34a ... Pump, 34b ... Chemical injection unit, 35 ... Connecting pipe, 35a ... Flow detector, 36 ... Control unit.
Claims (2)
前記除鉄除マンガン槽の二次側に接続された給水管と、
前記給水管の中途部に設けられ、開閉により前記給水管の一次側及び二次側の接続、並びに、前記給水管の一次側及び排水先の接続を切り換える電磁開閉弁と、
前記除鉄除マンガン槽の温度を検出する温度センサと、
前記温度センサで検出された温度が所定の時間継続して水が凍結する温度以下である場合に、前記電磁開閉弁を制御して前記給水管の一次側及び前記排水先を接続する制御盤と、
を備え、
前記制御盤は、前記温度センサで検出された温度が所定の時間継続して凍結温度以下である場合に、前記電磁開閉弁を制御して、所定の間隔で、所定の時間、前記給水管の一次側及び前記排水先を間欠的に接続する濾過装置。 Ion exchange type iron removal manganese removal tank and
A water supply pipe connected to the secondary side of the iron removal and manganese removal tank,
An electromagnetic on-off valve provided in the middle of the water supply pipe to switch the connection between the primary side and the secondary side of the water supply pipe and the connection between the primary side and the drainage destination of the water supply pipe by opening and closing.
A temperature sensor that detects the temperature of the iron-removing manganese-removing tank and
When the temperature detected by the temperature sensor is equal to or lower than the temperature at which water freezes continuously for a predetermined time, the control panel that controls the electromagnetic on-off valve to connect the primary side of the water supply pipe and the drainage destination. ,
Equipped with a,
When the temperature detected by the temperature sensor is continuously below the freezing temperature for a predetermined time, the control panel controls the electromagnetic on-off valve to control the water supply pipe at a predetermined interval for a predetermined time. A filtration device that intermittently connects the primary side and the drainage destination .
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