JP2004101065A - Boiler system computing residual quantity of consumables of water treatment device - Google Patents
Boiler system computing residual quantity of consumables of water treatment device Download PDFInfo
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- JP2004101065A JP2004101065A JP2002263320A JP2002263320A JP2004101065A JP 2004101065 A JP2004101065 A JP 2004101065A JP 2002263320 A JP2002263320 A JP 2002263320A JP 2002263320 A JP2002263320 A JP 2002263320A JP 2004101065 A JP2004101065 A JP 2004101065A
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【０００１】
【産業上の利用分野】
本発明は水処理装置の消耗品残量を算出するボイラシステムに関するものである。
【０００２】
【従来の技術】
ボイラを使用する場合、ボイラ用水をボイラに適した水質にする必要があり、ボイラ用水の水質が不適切であると、ボイラ内でスケールが堆積したり腐食が発生することになる。
【０００３】
原水はカルシウムやマグネシウムなどの硬度成分を含んでおり、ボイラ内に硬度成分が入ると、ボイラ内での缶水の濃縮によって硬度成分が析出してスケールとなる。そのため、イオン交換樹脂を充填した軟化装置に原水を通すことで、原水中の硬度成分を除去している。軟化装置のイオン交換樹脂は軟水を採水することによって能力が低下するため、採水量が限界量を越えて硬度リークを起こす前にイオン交換樹脂の再生を行う必要がある。イオン交換樹脂の再生は、イオン交換樹脂層に塩水を通水することで行っており、軟化装置には自動再生機能を設けておき、採水量に応じて自動的に再生を行っている。
【０００４】
イオン交換樹脂の再生に使用する塩水の製造は、塩をためた塩水槽に水を入れて塩を溶かすことで行っており、塩水槽への水張りは自動で行うが、塩水槽への塩の補給は人手によって行う必要がある。消耗品である塩の残量は目視によって確認し、残量が少なくなれば塩を注文して補給を行っているが、残量確認及び注文を行う管理作業は面倒なものであり、忘れることもあった。塩の補給を忘れて塩がなくなった場合、イオン交換樹脂の再生を行うことができないために硬度漏れを発生し、ボイラ内に硬度成分が侵入してボイラ内でスケールが発生することになる。
【０００５】
また、缶水のｐＨ値を適正な範囲に保たないと、ボイラ内で腐食が発生する。そのため、薬注装置を設けておき、ボイラへの給水に対して所定の割合で液状の薬品を注入している。薬品の注入量はボイラ用水の水質によって異なるため、あらかじめボイラ用水の水質分析を行っておき、水質に基づいて薬品注入量を決定する。薬品も消耗品であり、薬品タンクに残っている薬品の残量を目視によって確認し、残量が少なくなれば薬品を注文して補給を行っているが、残量確認及び注文を行う管理作業は面倒なものであり、忘れることもあった。薬品の補給を忘れて薬品がなくなった場合、缶水の水質が適正な範囲から外れ、ボイラ内で腐食が発生することになる。
【０００６】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、水処理装置を設けたボイラシステムにおいて、水処理装置における消耗品の管理を省力化することにある。
【０００７】
【課題を解決するための手段】
請求項１に記載の発明は、薬注装置や軟化装置などボイラ用水をボイラに適した水質に処理する水処理装置と、水処理装置による処理を行った水を供給するボイラを設けたシステムにおいて、ボイラの稼働状況から水処理装置の消耗品残量を算出し、消耗品残量が所定量以下になると残量が減少している旨の出力を行う消耗品残量算出装置を設けたことを特徴とする水処理装置の消耗品残量を算出するボイラシステムである。
【０００８】
請求項２に記載の発明は、前記の水処理装置の消耗品残量を算出するボイラシステムにおいて、消耗品残量算出装置には通信機能を持たせ、消耗品残量算出装置は通信回線を通じて水処理装置用消耗品の注文を受け付ける管理拠点と接続できるようにしておき、消耗品残量算出装置は水処理装置の消耗品残量が所定量以下になると、管理拠点に対して自動的に消耗品の注文を行うことを特徴とする水処理装置の消耗品残量を算出するボイラシステムである。
【０００９】
請求項３に記載の発明は、前記の水処理装置の消耗品残量を算出するボイラシステムにおいて、ボイラ用水を水質分析した分析結果を管理拠点から消耗品残量算出装置へ伝送することができるようにしておき、消耗品残量算出装置は管理拠点から水質分析の結果を受け取り、受け取った分析結果に基づいて水処理装置用消耗品の使用量を設定することを特徴とする水処理装置の消耗品残量を算出するボイラシステムである。
【００１０】
請求項４に記載の発明は、前記の水処理装置の消耗品残量を算出するボイラシステムにおいて、ボイラ及び水処理装置と接続しており、ボイラ及び水処理装置の管理を行う管理装置を設け、ボイラの稼働状況は管理装置で集計するようにしておき、管理装置に消耗品残量算出装置を設け、管理装置によって水処理装置の消耗品残量を算出するようにしたことを特徴とする水処理装置の消耗品残量を算出するボイラシステムである。
【００１１】
【発明の実施の形態】
本発明の一実施例を図面を用いて説明する。図１は一実施例におけるシステムのフロー図、図２は他の実施例におけるシステムのフロー図である。まず図１に基づいて説明を行う。ボイラ１を設置し、ボイラへの給水を通す給水配管１３に、軟化装置２と薬注装置４を設ける。軟化装置２は原水をイオン交換樹脂層に通し、原水中の硬度成分をイオン交換樹脂層が取り込むことによって硬度成分を除去するものである。軟化装置２のイオン交換樹脂は、定期的に塩水による再生を行う必要があるため、塩水槽３を設置して塩水槽３と軟化装置２を接続しておき、塩水槽３で製造した飽和濃度の塩水を軟化装置２へ送ることができるようにしている。給水配管１３の軟化装置２より下流側に薬注装置４を設け、薬注装置４は薬品タンク５と接続しておく。薬注装置４はボイラ１への給水量に対して所定の割合で薬品の注入を行う。軟化装置２及び薬注装置４は、ボイラ１に設けている運転制御装置６と接続しておき、ボイラ１との間で通信を行えるようにしている。
【００１２】
また運転制御装置６は公衆回線８に接続している通信装置７とも接続しており、公衆回線８を通じてボイラメーカー等による管理拠点９と接続することができるようにしておく。管理拠点９には、拠点コンピュータ１０や拠点ファクシミリ１１を設けておき、ボイラ１からの情報を拠点コンピュータ１０や拠点ファクシミリ１１へ出力し、逆に管理拠点９からの情報がボイラ１へ出力できるようにしておく。運転制御装置６は、ボイラ１の運転制御や稼働時間の集計の他に、薬注装置４による薬品注入割合の設定、軟化装置２及び薬注装置４の消耗品である塩及び薬品の残量算出、管理拠点９への塩及び薬品の注文等を行うものであり、運転制御装置６内に消耗品残量算出装置１４を内蔵している。
【００１３】
原水の水質は地域ごとに異なり、水質によって薬品の注入割合が異なるため、ボイラ用水の原水水質を分析しておき、分析結果に基づいて薬注装置４による薬品注入割合を設定する。水質分析は管理拠点９にて行い、分析結果は管理拠点９の拠点コンピュータ１０から公衆回線８及び通信装置７を通して運転制御装置６へ伝送する。運転制御装置６内の消耗品残量算出装置１４は、水質分析の結果から定まる薬品注入割合に基づき、薬注装置４の薬品注入割合を設定する。
【００１４】
また、消耗品残量算出装置１４には、塩水槽３内にためている塩の初期量を入力しておき、ボイラ１の稼働時間を計測して塩消費量を算出することで、塩の残量を算出する。ボイラへの給水量はボイラの時間当たりの蒸気発生量及びブロー量と稼働時間の積から算出することができ、ボイラの給水量が軟化装置２の採水量であるため、ボイラの稼働時間から軟化装置２の採水量を算出することができる。軟化装置２の再生は、採水量が所定の値に達するごとに行っているため、先に算出した軟化装置２の採水量から再生回数を算出することができる。飽和濃度の塩水は再生を行うごとに製造しており、塩水製造のために塩水槽３へためる水量は一定であって、塩水を製造する際に消費する塩の消費量も一定となるため、再生回数がわかれば塩の消費量を算出することができる。塩の初期量から消費量を減算すれば、その時点における塩の残量を算出することができ、塩の残量が所定量以下になると、ボイラ１の表示装置に塩の残量が低下している旨の表示を行う。
【００１５】
塩を自動注文する設定にしていた場合、消耗品残量算出装置１４は塩の残量が所定量以下になると、自動的に通信装置７及び公衆回線８を通じて管理拠点９へ塩の注文を行う。消耗品残量算出装置１４は、注文元・注文品目・注文量などの情報を管理拠点９へ送り、拠点ファクシミリ１１又は拠点コンピュータ１０への出力を行う。塩の注文を受けた管理拠点９では、ボイラ１の設置場所へ塩の配達を行い、塩水槽３へ塩の補給を行うと、塩補給時点での塩残量を新たな初期量として消耗品残量算出装置１４に入力する。
【００１６】
薬注装置４における薬品の管理も同様であり、消耗品残量算出装置１４に、薬品の初期量として薬品タンク５内の薬品量を入力しておき、ボイラ１の稼働時間を計測して薬品消費量を算出することで、薬品の残量を算出する。薬注装置４による薬品注入割合は、消耗品残量算出装置１４を通じて設定しており、消耗品残量算出装置１４には薬品注入割合を記憶させておく。ボイラの稼働時間からボイラへの給水量を算出すると、給水量と薬品注入割合の積によって薬品の消費量を算出することができ、薬品の初期量から消費量を減算すれば、その時点における薬品の残量を算出することができる。薬品の残量が所定量以下になると、ボイラ１の表示装置に薬品の残量が低下している旨の表示を行う。
【００１７】
薬品を自動注文する設定にしていた場合、消耗品残量算出装置１４は薬品の残量が所定量以下になると、自動的に通信装置７及び公衆回線８を通じて管理拠点９へ薬品の注文を行う。薬品の注文を受けた管理拠点９では、ボイラ１の設置場所へ薬品の配達を行い、薬品タンク５へ薬品の補給を行うと、薬品補給時点での薬品残量を新たな初期量として消耗品残量算出装置１４に入力する。
【００１８】
図２は、ボイラ１・軟化装置２・薬注装置４の管理を行う管理装置１２を設けた場合の実施例に関するものである。基本的には図１の実施例と同じであり、管理装置１２は、ボイラ１・軟化装置２・薬注装置４と接続しておき、薬注装置４による薬品注入割合の設定、塩及び薬品の残量算出、管理拠点９への塩及び薬品の発注等を行う。管理装置１２には消耗品残量算出装置としての機能と、通信装置を内蔵しておき、管理装置１２が消耗品残量算出装置１４を兼ねることになる。管理拠点９からの水質分析の結果は管理装置１２で受け、管理装置１２から薬注装置４へ薬品注入量の設定を行う。また管理装置１２では、ボイラ１全体での稼働時間を算出し、管理装置１２に入力しておいた塩及び薬品の初期量から消費量を減算して残量を算出する。消耗品の残量が所定量以下になると、管理装置１２に残量低下の表示を行い、自動注文を行う設定にしていた場合には管理装置１２から管理拠点９へ消耗品の注文を行う。
【００１９】
図２の場合、ボイラ１を複数台設置し、軟化装置２も複数台設置しているため、管理が複雑になる。このような場合、運転制御装置６の処理能力を高めて運転制御装置６に消耗品残量算出装置１４を設けるよりも、管理装置１２を別に設けて管理装置１２に消耗品残量算出装置１４の機能を設けておき、管理装置１２によって消耗品の残量算出などを行わせた方がコスト的に安くなり、信頼性も高いシステムとなる。また、単缶設置の場合であっても、ボイラの稼働時間や効率などの記録を行うために管理装置１２を設けている場合には、運転制御装置６に消耗品残量算出装置１４を設けるよりも、管理装置１２に消耗品残量算出装置１４の機能を設けることで消耗品の管理を行う方が容易であり、コスト的にも安くなる。
【００２０】
【発明の効果】
本発明を実施することで、ボイラ用の水処理装置における消耗品の管理を省力化することができる。
【図面の簡単な説明】
【図１】本発明の一実施例におけるシステムのフロー図
【図２】本発明の他の実施例におけるシステムのフロー図
【符号の説明】
１ ボイラ
２ 軟化装置
３ 塩水槽
４ 薬注装置
５ 薬品タンク
６ 運転制御装置
７ 通信装置
８ 公衆回線
９ 管理拠点
１０ 拠点コンピュータ
１１ 拠点ファクシミリ
１２ 管理装置
１３ 給水配管
１４ 消耗品残量算出装置[0001]
[Industrial applications]
The present invention relates to a boiler system for calculating the remaining amount of consumables of a water treatment device.
[0002]
[Prior art]
When a boiler is used, boiler water needs to have water quality suitable for the boiler. If the water quality of the boiler water is inappropriate, scale will accumulate in the boiler or corrosion will occur.
[0003]
Raw water contains a hardness component such as calcium and magnesium. When the hardness component enters the boiler, the hardness component precipitates due to the concentration of the can water in the boiler and becomes a scale. Therefore, the hardness component in the raw water is removed by passing the raw water through a softening device filled with the ion exchange resin. Since the capacity of the ion exchange resin of the softening device is reduced by sampling soft water, it is necessary to regenerate the ion exchange resin before the amount of sampled water exceeds the limit and a hardness leak occurs. Regeneration of the ion-exchange resin is performed by passing salt water through the ion-exchange resin layer. The softening device is provided with an automatic regeneration function, and is automatically regenerated according to the amount of water taken.
[0004]
The production of salt water used for the regeneration of ion-exchange resin is performed by dissolving the salt by putting water in a salt tank with accumulated salt.Water filling in the salt tank is performed automatically. Replenishment must be done manually. The remaining amount of salt, which is a consumable, is visually checked, and if the remaining amount is low, salt is ordered and replenished, but the management work to check the remaining amount and place the order is troublesome, so forget it. There was also. If the salt is exhausted due to forgetting to replenish the salt, the ion exchange resin cannot be regenerated, so that a hardness leak occurs, and a hardness component infiltrates into the boiler and scales occur in the boiler.
[0005]
In addition, if the pH value of the can water is not maintained in an appropriate range, corrosion occurs in the boiler. Therefore, a chemical injection device is provided, and a liquid chemical is injected at a predetermined ratio with respect to the water supply to the boiler. Since the injection amount of the chemical varies depending on the water quality of the boiler water, the water quality analysis of the boiler water is performed in advance, and the chemical injection amount is determined based on the water quality. Chemicals are also consumables, and the amount of medicine remaining in the chemical tank is visually checked. If the remaining amount is low, the medicine is ordered and replenished. Was tedious and sometimes forgotten. If the supply of chemicals is forgotten and the chemicals run out, the water quality of the canned water will be out of an appropriate range, and corrosion will occur in the boiler.
[0006]
[Problems to be solved by the invention]
A problem to be solved by the present invention is to save labor of managing consumables in a water treatment device in a boiler system provided with the water treatment device.
[0007]
[Means for Solving the Problems]
The invention according to claim 1 is directed to a system including a water treatment device such as a chemical injection device and a softening device for treating boiler water to a water quality suitable for the boiler, and a boiler for supplying water treated by the water treatment device. , A consumables remaining amount calculating device for calculating the remaining amount of consumables of the water treatment device from the operating state of the boiler and outputting that the remaining amount is reduced when the remaining amount of the consumables becomes a predetermined amount or less. This is a boiler system for calculating the remaining amount of consumables of a water treatment apparatus.
[0008]
According to a second aspect of the present invention, in the boiler system for calculating the remaining amount of consumables of the water treatment apparatus, the consumables remaining amount calculating device is provided with a communication function, and the consumables remaining amount calculating device is connected through a communication line. Connect to the management base that accepts orders for water treatment equipment consumables, and the consumables remaining amount calculation device automatically notifies the management base when the remaining amount of consumables in the water treatment device falls below a predetermined amount. A boiler system for calculating the remaining amount of consumables of a water treatment apparatus, characterized by ordering consumables.
[0009]
According to a third aspect of the present invention, in the boiler system for calculating the remaining amount of consumables of the water treatment apparatus, an analysis result obtained by analyzing the water quality of the boiler water can be transmitted from the management base to the consumables remaining amount calculating device. In this way, the consumables remaining amount calculating device receives the result of the water quality analysis from the management base, and sets the usage amount of the consumables for the water treatment device based on the received analysis result. This is a boiler system for calculating the remaining amount of consumables.
[0010]
According to a fourth aspect of the present invention, in the boiler system for calculating the remaining amount of consumables of the water treatment device, a management device is provided which is connected to the boiler and the water treatment device and manages the boiler and the water treatment device. The operation status of the boiler is counted by the management device, the consumables remaining amount calculating device is provided in the management device, and the consumables remaining amount of the water treatment device is calculated by the management device. It is a boiler system for calculating the remaining amount of consumables of a water treatment device.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a flow chart of a system in one embodiment, and FIG. 2 is a flow chart of a system in another embodiment. First, description will be made based on FIG. The boiler 1 is installed, and a softening device 2 and a chemical injection device 4 are provided in a water supply pipe 13 through which water is supplied to the boiler. The softening device 2 removes the hardness component by passing the raw water through the ion exchange resin layer and taking in the hardness component in the raw water by the ion exchange resin layer. Since the ion exchange resin of the softening device 2 needs to be periodically regenerated with salt water, the salt water tank 3 is installed and the salt water tank 3 and the softening device 2 are connected, and the saturated concentration produced in the salt water tank 3 is adjusted. Can be sent to the softening device 2. The chemical injection device 4 is provided downstream of the softening device 2 in the water supply pipe 13, and the chemical injection device 4 is connected to the chemical tank 5. The chemical injection device 4 injects a chemical at a predetermined ratio to the amount of water supplied to the boiler 1. The softening device 2 and the chemical injection device 4 are connected to an operation control device 6 provided in the boiler 1 so that communication with the boiler 1 can be performed.
[0012]
The operation control device 6 is also connected to a communication device 7 connected to a public line 8, so that the operation control device 6 can be connected to a management base 9 by a boiler maker or the like through the public line 8. The management base 9 is provided with a base computer 10 and a base facsimile 11 so that information from the boiler 1 can be output to the base computer 10 and the base facsimile 11, and conversely, information from the management base 9 can be output to the boiler 1. Keep it. The operation control device 6 controls the operation of the boiler 1 and counts the operation time, and also sets the chemical injection ratio by the chemical injection device 4 and the remaining amount of the salt and the chemical which are consumables of the softening device 2 and the chemical injection device 4. Calculation and order of salt and medicine to the management base 9 are performed, and the operation control device 6 has a built-in consumables remaining amount calculation device 14.
[0013]
Since the quality of raw water varies from region to region and the injection ratio of chemicals differs depending on the water quality, the raw water quality of boiler water is analyzed, and the injection ratio of chemicals by the chemical injection device 4 is set based on the analysis result. The water quality analysis is performed at the management base 9, and the analysis result is transmitted from the base computer 10 of the management base 9 to the operation control device 6 through the public line 8 and the communication device 7. The consumables remaining amount calculating device 14 in the operation control device 6 sets the chemical injection ratio of the chemical injection device 4 based on the chemical injection ratio determined from the result of the water quality analysis.
[0014]
In addition, the initial amount of salt stored in the salt water tank 3 is input to the consumables remaining amount calculation device 14, and the operating time of the boiler 1 is measured to calculate the amount of salt consumed. Calculate the remaining amount. The amount of water supplied to the boiler can be calculated from the product of the amount of steam generated and the amount of blow per hour of the boiler and the operation time. Since the amount of water supplied to the boiler is the amount of water collected by the softening device 2, the amount of water supplied to the boiler is reduced from the operation time of the boiler. The amount of water taken by the apparatus 2 can be calculated. Since the regeneration of the softening device 2 is performed every time the amount of water taken reaches a predetermined value, the number of times of regeneration can be calculated from the amount of water taken by the softening device 2 calculated previously. Since the salt water having the saturated concentration is produced every time the regeneration is performed, the amount of water accumulated in the salt water tank 3 for producing salt water is constant, and the amount of salt consumed when producing salt water is also constant. If the number of times of regeneration is known, the amount of consumed salt can be calculated. By subtracting the consumption amount from the initial amount of salt, the remaining salt amount at that time can be calculated. When the remaining salt amount becomes equal to or less than the predetermined amount, the remaining salt amount is reduced on the display device of the boiler 1. Is displayed.
[0015]
In a case where salt is set to be automatically ordered, the consumables remaining amount calculating device 14 automatically orders the salt to the management base 9 through the communication device 7 and the public line 8 when the remaining salt amount becomes equal to or less than a predetermined amount. . The consumables remaining amount calculation device 14 sends information such as the order source, the ordered item, and the order quantity to the management base 9 and outputs the information to the base facsimile 11 or the base computer 10. At the management base 9 receiving the salt order, the salt is delivered to the installation location of the boiler 1 and the salt is replenished to the salt water tank 3, and the remaining salt amount at the time of the salt replenishment is set as a new initial amount of consumables. It is input to the remaining amount calculation device 14.
[0016]
The same applies to the management of chemicals in the chemical dosing device 4. The amount of chemicals in the chemical tank 5 is input to the consumables remaining amount calculating device 14 as an initial amount of chemicals, and the operating time of the boiler 1 is measured. The remaining amount of the medicine is calculated by calculating the consumption amount. The chemical injection ratio by the chemical injection device 4 is set through the consumables remaining amount calculation device 14, and the consumables remaining amount calculation device 14 stores the chemical injection ratio. If the amount of water supplied to the boiler is calculated from the operating time of the boiler, the amount of chemical consumption can be calculated by multiplying the amount of water supplied and the chemical injection ratio. Can be calculated. When the remaining amount of the medicine becomes equal to or less than the predetermined amount, an indication that the remaining amount of the medicine is low is displayed on the display device of the boiler 1.
[0017]
If the medicine is set to be automatically ordered, the consumables remaining amount calculating device 14 automatically orders the medicine to the management base 9 through the communication device 7 and the public line 8 when the remaining amount of the medicine becomes equal to or less than a predetermined amount. . At the management base 9 receiving the order for the medicine, the medicine is delivered to the installation location of the boiler 1 and the medicine is supplied to the medicine tank 5, and the remaining amount of the medicine at the time of the supply of the medicine is set as a new initial amount. It is input to the remaining amount calculation device 14.
[0018]
FIG. 2 relates to an embodiment in which a management device 12 for managing the boiler 1, the softening device 2, and the chemical injection device 4 is provided. Basically, it is the same as the embodiment of FIG. 1, and the management device 12 is connected to the boiler 1, the softening device 2, and the chemical injection device 4, and sets the chemical injection ratio by the chemical injection device 4, salt and chemicals. Calculation of the remaining amount, ordering of salt and medicine to the management base 9, and the like. The management device 12 has a function as a consumables remaining amount calculation device and a communication device built therein, and the management device 12 also functions as the consumables remaining amount calculation device 14. The result of the water quality analysis from the management base 9 is received by the management device 12, and the amount of chemical injection is set from the management device 12 to the chemical dosing device 4. Further, the management device 12 calculates the operating time of the entire boiler 1, and calculates the remaining amount by subtracting the consumption amount from the initial amount of the salt and the medicine input to the management device 12. When the remaining amount of the consumables becomes equal to or less than the predetermined amount, a display indicating that the remaining amount is low is displayed on the management device 12, and if the automatic order is set, the consumables are ordered from the management device 12 to the management base 9.
[0019]
In the case of FIG. 2, since a plurality of boilers 1 are installed and a plurality of softening devices 2 are also installed, management becomes complicated. In such a case, the management device 12 is separately provided and the consumables remaining amount calculation device 14 is provided in the management device 12 rather than providing the operation control device 6 with a higher processing capacity and providing the operation control device 6 with the consumables remaining amount calculation device 14. If the function of (1) is provided and the management device 12 calculates the remaining amount of consumables, the cost is reduced and the system has high reliability. Also, even in the case of single can installation, if the management device 12 is provided to record the operating time and efficiency of the boiler, the operation control device 6 is provided with the consumables remaining amount calculation device 14. Rather, by providing the function of the consumables remaining amount calculating device 14 in the management device 12, it is easier to manage the consumables, and the cost is lower.
[0020]
【The invention's effect】
By implementing the present invention, the management of consumables in the boiler water treatment apparatus can be saved.
[Brief description of the drawings]
FIG. 1 is a flowchart of a system according to an embodiment of the present invention. FIG. 2 is a flowchart of a system according to another embodiment of the present invention.
REFERENCE SIGNS LIST 1 boiler 2 softening device 3 salt water tank 4 chemical injection device 5 chemical tank 6 operation control device 7 communication device 8 public line 9 management base 10 base computer 11 base facsimile 12 management device 13 water supply pipe 14 consumables remaining amount calculation device
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| JP2002263320A JP2004101065A (en) | 2002-09-09 | 2002-09-09 | Boiler system computing residual quantity of consumables of water treatment device |
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| JP2002263320A JP2004101065A (en) | 2002-09-09 | 2002-09-09 | Boiler system computing residual quantity of consumables of water treatment device |
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| US11017344B2 (en) | 2016-09-12 | 2021-05-25 | Ecolab Usa Inc. | Method and apparatus for predicting depletion of deionization tanks and optimizing delivery schedules |
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| US11017344B2 (en) | 2016-09-12 | 2021-05-25 | Ecolab Usa Inc. | Method and apparatus for predicting depletion of deionization tanks and optimizing delivery schedules |
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