JPH0562854U - Residual ozone chlorine meter - Google Patents
Residual ozone chlorine meterInfo
- Publication number
- JPH0562854U JPH0562854U JP304692U JP304692U JPH0562854U JP H0562854 U JPH0562854 U JP H0562854U JP 304692 U JP304692 U JP 304692U JP 304692 U JP304692 U JP 304692U JP H0562854 U JPH0562854 U JP H0562854U
- Authority
- JP
- Japan
- Prior art keywords
- current
- residual
- chlorine
- applied voltage
- concentration
- 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.)
- Pending
Links
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
(57)【要約】
【目的】 残留オゾンと残留塩素の混合された液におい
て、同一の装置で各成分の量を特別な前処理を行うこと
なく、各成分の量を測定することのできる残留オゾン塩
素計を実現することである。
【構成】 残留塩素の如何に拘らず塩素に基づく電流が
０で残留オゾン濃度に比例する電流量が得られる加電圧
ＶA と、残留オゾン濃度に比例する電流量に変化が無
く、残留塩素濃度に比例する電流量が得られる加電圧Ｖ
B とを発生する加電圧発生器５と、前記各加電圧によっ
て得られる電流値から残留オゾン濃度及び残留塩素濃度
とを計算する計算装置９とを具備する。
(57) [Summary] [Purpose] In a liquid in which residual ozone and residual chlorine are mixed, the amount of each component can be measured with the same device without special pretreatment. It is to realize an ozone chlorine meter. [Structure] Regardless of residual chlorine, the applied voltage V A at which the chlorine-based current is 0 and a current amount proportional to the residual ozone concentration is obtained, and the current amount proportional to the residual ozone concentration does not change, and the residual chlorine concentration does not change. Applied voltage V that gives a current amount proportional to
It comprises an applied voltage generator 5 for generating B and a calculator 9 for calculating the residual ozone concentration and the residual chlorine concentration from the current values obtained by the respective applied voltages.
Description
【０００１】[0001]
本考案は残留オゾンと残留塩素との混合液の各成分を別々に検出することので きる残留オゾン塩素計に関する。 The present invention relates to a residual ozone chlorine meter capable of separately detecting each component of a mixed liquid of residual ozone and residual chlorine.
【０００２】[0002]
残留オゾンを測定する残留オゾン計において、残留塩素が混合されている場合 、又、残留塩素を測定する残留塩素計において、残留オゾンが混合されている場 合、塩素及びオゾンがそれぞれ妨害成分となるため、残留塩素計では、前処理で オゾンを飛ばすことが必要であった。 When residual chlorine is mixed in a residual ozone meter that measures residual ozone, and when residual ozone is mixed in a residual chlorine meter that measures residual chlorine, chlorine and ozone are respectively interfering components. Therefore, in the residual chlorine meter, it was necessary to blow ozone in the pretreatment.
【０００３】 又、残留オゾン計では試薬を用いて塩素を化合物として、他の物質に変えてし まうことが必要であった。Further, in the residual ozone meter, it is necessary to use chlorine as a compound and change it into another substance using a reagent.
【０００４】[0004]
このようにして、残留オゾンと残留塩素とが混入されている場合、両方の成分 を同時に測定することができず、それぞれの成分を測定するのにそれぞれ前処理 を施し、２度の測定を行う必要があった。 In this way, when residual ozone and residual chlorine are mixed, both components cannot be measured at the same time, and each component is subjected to pretreatment and measured twice. There was a need.
【０００５】 本考案は上記の点に鑑みてなされたもので、その目的は、残留オゾンと残留塩 素の混合された液において、同一の装置で各成分の量を測定することのできる残 留オゾン塩素計を実現することである。The present invention has been made in view of the above points, and an object of the present invention is to provide a residual liquid composition capable of measuring the amount of each component with the same device in a liquid in which residual ozone and residual chlorine are mixed. It is to realize an ozone chlorine meter.
【０００６】[0006]
前記の課題を解決する本考案は、残留塩素濃度の如何に拘らず塩素に基づく電 流が０で、残留オゾン濃度に比例する電流量が得られる第１の加電圧と、第１の 加電圧において得られる残留オゾン濃度に比例する電流量に変化が無く、残留塩 素濃度に比例する電流量が得られる第２の加電圧とを発生する加電圧発生器と、 前記各加電圧によって得られる電流値から残留オゾン濃度及び残留塩素濃度とを 計算する計算装置とを具備することを特徴とするものである。 The present invention, which solves the above-mentioned problems, provides a first applied voltage and a first applied voltage that can obtain a current amount proportional to the residual ozone concentration when the chlorine-based current is 0 regardless of the residual chlorine concentration. And a second applied voltage for obtaining a current amount proportional to the residual chlorine concentration, which does not change in the current amount proportional to the residual ozone concentration. And a calculation device for calculating the residual ozone concentration and the residual chlorine concentration from the current value.
【０００７】[0007]
計算装置は塩素による電流が０でオゾンによる電流のフラット特性の開始点に 近い加電圧ＶA とオゾンによる電流がフラット特性の終点に近い加電圧ＶB とを 加電圧発生器に発生させるための信号を出力する。The calculation device is for generating an applied voltage V A near the start point of the flat characteristic of the current due to ozone and a current due to ozone and an applied voltage V B near the end point of the flat characteristic to the applied voltage generator. Output a signal.
【０００８】 計算装置は２種類の加電圧から得られた電流値に基づいて計算を行い、オゾン と塩素の濃度を求める。The calculation device calculates based on the current values obtained from the two types of applied voltages, and obtains the concentrations of ozone and chlorine.
【０００９】[0009]
以下、図面を参照して本考案の実施例を詳細に説明する。 図１は本考案の一実施例のブロック図である。本実施例の装置の説明の前に本 考案の原理を説明する。図２はオゾン溶液の電圧電流特性のグラフである。図に おいて１０１は濃度Ａのオゾン溶液の曲線，１０２は濃度Ｂ，１０３は濃度Ｃの オゾン溶液の電圧電流特性曲線である。このオゾン溶液の電圧電流特性は図で明 らかなように或る加電圧ＶA とＶB との間の電流値がフラットであるという特性 を持っている。Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram of an embodiment of the present invention. Before explaining the apparatus of this embodiment, the principle of the present invention will be described. FIG. 2 is a graph of voltage-current characteristics of ozone solution. In the figure, 101 is a curve of an ozone solution having a concentration A, 102 is a concentration B, and 103 is a voltage-current characteristic curve of an ozone solution having a concentration C. The voltage-current characteristic of this ozone solution has a characteristic that the current value between certain applied voltages V A and V B is flat, as is apparent from the figure.
【００１０】 図３は塩素溶液の電圧電流特性の図で、１１１は濃度Ｄ，１１２は濃度Ｅ，１ １３は濃度Ｆの塩素溶液の特性を示している。図に示すように、塩素溶液は図２ のオゾン溶液のフラット特性の開始点ＶA では電流０で、フラットの終点ＶB で はそれぞれ濃度に応じた電流特性を持っている。FIG. 3 is a diagram showing the voltage-current characteristics of a chlorine solution, where 111 is the concentration D, 112 is the concentration E, and 113 is the characteristic of the chlorine solution having the concentration F. As shown, the chlorine solution at the starting point V A in the current 0 flat characteristics of the ozone solution of Figure 2, has a current characteristic in accordance with the respective levels at the end V B flat.
【００１１】 図４はオゾンと塩素の混合溶液の電圧電流特性である。２０１は塩素の電圧電 流特性，２０２はオゾンの特性，２０３はオゾンと塩素の混合溶液の特性である 。図に明らかなように加電圧ＶA では混合溶液の曲線２０３の電流はオゾンの曲 線２０２で得られる電流値ＩA と等しい。又、加電圧ＶB では、混合溶液２０３ の電流ＩB から加電圧ＶA における混合溶液の電流ＩA を引くと、塩素の電流値 ＩC が得られる。従って、加電圧ＶA の時の電流ＩA からオゾン濃度が得られ、 加電圧ＶB の時の電流ＩB から加電圧ＶA の時の電流ＩA を差引くことにより塩 素の濃度が得られる。FIG. 4 shows voltage-current characteristics of a mixed solution of ozone and chlorine. 201 is a chlorine voltage current characteristic, 202 is an ozone characteristic, and 203 is a characteristic of a mixed solution of ozone and chlorine. As is apparent from the figure, at the applied voltage V A , the current of the curve 203 of the mixed solution is equal to the current value I A obtained by the curve 202 of ozone. At the applied voltage V B , the chlorine current value I C is obtained by subtracting the mixed solution current I A at the applied voltage V A from the mixed solution 203 current I B. Therefore, the concentration of chlorine by subtracting the current I A when from the current I B applied voltage V A when the current I is ozone concentration obtained from the A, applied voltage V B when the applied voltage V A can get.
【００１２】 図１の実施例のブロック図に戻って説明する。図において、１は測定用の残留 オゾンと残留塩素の混合液を収容する測定セルで、定流量ポンプ２Ａにより被測 定液を注入される。２Ｂは被測定液を酸性にして測定感度を上げるための試薬を 注入する定流量ポンプである。Returning to the block diagram of the embodiment shown in FIG. In the figure, reference numeral 1 is a measuring cell for containing a mixed liquid of residual ozone and residual chlorine for measurement, into which a liquid to be measured is injected by a constant flow pump 2A. Reference numeral 2B is a constant flow pump for injecting a reagent for making the liquid to be measured acidic and increasing the measurement sensitivity.
【００１３】 ３は定流量ポンプ２Ａから供給される被測定液のオーバーフロー用に用いられ る排液管，４は加電圧発生器５から加電圧を供給される比較極である。加電圧発 生器５は図４に示す加電圧ＶA と加電圧ＶB とを比較極４に供給している。指示 極６には加電圧ＶA と加電圧ＶB とに比例した電流が比較極４から流れる。Reference numeral 3 is a drain pipe used for overflow of the liquid under measurement supplied from the constant flow rate pump 2 A, and 4 is a comparison electrode supplied with an applied voltage from an applied voltage generator 5. The applied voltage generator 5 supplies the applied voltage V A and the applied voltage V B shown in FIG. 4 to the comparison electrode 4. A current proportional to the applied voltage V A and the applied voltage V B flows from the comparison electrode 4 to the indicator electrode 6.
【００１４】 ７は指示極６からの電流を電流値に比例した電圧に変換する電流電圧変換器で 、その出力電圧はＡＤ変換器８でディジタル信号に変換される。 ９は加電圧発生器５に加電圧ＶA と加電圧ＶB を発生させるための信号を出力 すると共に、ＡＤ変換器８の出力に基づいて残留オゾン量と残留塩素量を計算す る計算装置である。Reference numeral 7 is a current-voltage converter for converting the current from the indicator electrode 6 into a voltage proportional to the current value, and the output voltage thereof is converted into a digital signal by the AD converter 8. Numeral 9 outputs a signal for generating an applied voltage V A and an applied voltage V B to the applied voltage generator 5, and calculates a residual ozone amount and a residual chlorine amount based on the output of the AD converter 8. Is.
【００１５】 １０は計算装置９から出力された加電圧のための電圧信号をアナログ信号に変 換して加電圧発生器５に供給するＤＡ変換器である。 次に、上記のように構成された実施例の動作を説明する。計算装置９は図４に 示す加電圧ＶA と加電圧ＶB を加電圧発生器５に発生させる電圧信号を出力する 。ＤＡ変換器１０は電圧信号をアナログ信号に変換して加電圧発生器５に供給す る。Reference numeral 10 denotes a DA converter that converts the voltage signal for the applied voltage output from the calculation device 9 into an analog signal and supplies the analog signal to the applied voltage generator 5. Next, the operation of the embodiment configured as described above will be described. The calculation device 9 outputs a voltage signal that causes the applied voltage generator 5 to generate the applied voltage V A and the applied voltage V B shown in FIG. The DA converter 10 converts the voltage signal into an analog signal and supplies the analog signal to the applied voltage generator 5.
【００１６】 加電圧発生器５は加電圧ＶA と加電圧ＶB を電圧信号に基づいて交互に発生し 、定流量ポンプ２Ａにより被測定液に満たされた測定セル１中に浸漬された比較 極４に供給する。The applied voltage generator 5 alternately generates the applied voltage V A and the applied voltage V B based on the voltage signal, and is immersed in the measuring cell 1 filled with the liquid to be measured by the constant flow rate pump 2 A for comparison. Supply to pole 4.
【００１７】 指示極６には比較極４に与えられた加電圧ＶA に基づき、図４に示す電流ＩA が流れ、電流電圧変換器７は電流ＩA に比例する電圧に変換し、この電圧出力は ＡＤ変換器８でディジタル信号に変換され、計算装置９に入力される。 A current I A shown in FIG. 4 flows through the indicator electrode 6 based on the applied voltage V A given to the comparison electrode 4, and the current-voltage converter 7 converts it into a voltage proportional to the current I A. The voltage output is converted into a digital signal by the AD converter 8 and input to the calculation device 9.
【００１８】 加電圧発生器５は、次に計算装置９からの電圧信号により加電圧ＶB を発生し 、比較極４に加える。指示極６からは加電圧ＶB に応じた電流ＩB が取り出され 、電流電圧変換器７で電圧に変換され、ＡＤ変換器８を経て計算装置９に入力さ れる。計算装置９は加電圧ＶA により得られた電流ＩA によりオゾン濃度を得、 加電圧ＶB により得られた電流ＩB からＩA を減じて加電圧ＶB における塩素の 量に対応する電流ＩC を求める計算を行って塩素濃度を得る。The applied voltage generator 5 next generates an applied voltage V B according to the voltage signal from the calculation device 9 and applies it to the comparison pole 4. A current I B corresponding to the applied voltage V B is extracted from the indicator electrode 6, converted into a voltage by the current / voltage converter 7, and input to the calculation device 9 via the AD converter 8. Computing device 9 to give the ozone concentration by a current I A obtained by the applied voltage V A, current corresponding to the amount of chlorine in the applied voltage V B by subtracting the I A from the obtained current I B by applying a voltage V B The chlorine concentration is obtained by performing a calculation for obtaining I C.
【００１９】 以上説明したように本実施例によれば、２つの加電圧を印加して残留オゾン濃 度と残留塩素濃度を求めることのできる電流値を得ることができ、残留オゾンと 残留塩素の混合液でも一台の装置で特別な前処理を行うことなく、両者の濃度を 得ることができる。As described above, according to this embodiment, it is possible to obtain a current value capable of obtaining the residual ozone concentration and the residual chlorine concentration by applying two applied voltages, and Even with a mixed solution, the concentration of both can be obtained without special pretreatment with a single device.
【００２０】[0020]
以上詳細に説明したように本考案によれば、残留オゾンと残留塩素の混合され た液において、１つの装置で各成分の量を測定することができるようになり、実 用上の効果は大きい。 As described in detail above, according to the present invention, the amount of each component can be measured by one device in the liquid in which the residual ozone and the residual chlorine are mixed, and the practical effect is great. ..
【図面の簡単な説明】[Brief description of drawings]
【図１】本考案の一実施例の装置のブロック図である。FIG. 1 is a block diagram of an apparatus according to an embodiment of the present invention.
【図２】オゾンの濃度をパラメータとした電圧電流特性
曲線である。FIG. 2 is a voltage-current characteristic curve with ozone concentration as a parameter.
【図３】塩素の濃度をパラメータとした電圧電流特性曲
線である。FIG. 3 is a voltage-current characteristic curve with chlorine concentration as a parameter.
【図４】オゾンと塩素の混合された液の電圧電流特性曲
線を利用したオゾンと塩素の分離方法の説明図である。FIG. 4 is an explanatory diagram of a method of separating ozone and chlorine using a voltage-current characteristic curve of a liquid in which ozone and chlorine are mixed.
５ 加電圧発生器 ９ 計算装置 5 Applied voltage generator 9 Calculation device
Claims (1)
く電流が０で、残留オゾン濃度に比例する電流量が得ら
れる第１の加電圧（ＶA ）と、第１の加電圧（ＶA ）に
おいて得られる残留オゾン濃度に比例する電流量に変化
が無く、残留塩素濃度に比例する電流量が得られる第２
の加電圧（ＶB ）とを発生する加電圧発生器（５）と、 前記各加電圧によって得られる電流値から残留オゾン濃
度及び残留塩素濃度とを計算する計算装置（９）とを具
備することを特徴とする残留オゾン塩素計。1. A first applied voltage (V A ) and a first applied voltage (V A ) at which the current based on chlorine is 0 regardless of the residual chlorine concentration and a current amount proportional to the residual ozone concentration is obtained. The amount of current that is proportional to the residual ozone concentration obtained in A ) does not change, and the amount of current that is proportional to the residual chlorine concentration is obtained.
Comprising a pressurized voltage (V B) and the applied voltage generator for generating (5), said computing device for computing a respective pressurized residual ozone concentration from a current value obtained by the voltage and the residual chlorine concentration and (9) A residual ozone chlorine meter characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP304692U JPH0562854U (en) | 1992-01-30 | 1992-01-30 | Residual ozone chlorine meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP304692U JPH0562854U (en) | 1992-01-30 | 1992-01-30 | Residual ozone chlorine meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0562854U true JPH0562854U (en) | 1993-08-20 |
Family
ID=11546376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP304692U Pending JPH0562854U (en) | 1992-01-30 | 1992-01-30 | Residual ozone chlorine meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0562854U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877650A (en) * | 1981-11-02 | 1983-05-11 | Toshiba Corp | Measuring apparatus for concentration of dissoleved ozone |
| JPH0252153B2 (en) * | 1984-03-09 | 1990-11-09 | Mitsui Constr |
-
1992
- 1992-01-30 JP JP304692U patent/JPH0562854U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5877650A (en) * | 1981-11-02 | 1983-05-11 | Toshiba Corp | Measuring apparatus for concentration of dissoleved ozone |
| JPH0252153B2 (en) * | 1984-03-09 | 1990-11-09 | Mitsui Constr |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3868578A (en) | Method and apparatus for electroanalysis | |
| JP2019219402A5 (en) | ||
| EP2202511A3 (en) | Quantitative analyzing method and quantitative analyzer using sensor | |
| JPS63243767A (en) | Method and apparatus for measuring conductivity from which effect of polarization is removed | |
| JPH0562854U (en) | Residual ozone chlorine meter | |
| Stephens et al. | Real-time computer prediction of end points in controlled-potential coulometry | |
| RU2532139C1 (en) | Method to measure oxygen in gas media | |
| JPH07146276A (en) | Method for monitoring metal ion content in plating bath | |
| US6154159A (en) | Electronic sampling circuit | |
| CA1150357A (en) | Coulometric titration method | |
| RU2155955C1 (en) | Method of differential measurement of volt-ampere characteristics | |
| Diard et al. | Theoretical formulation of the odd harmonic test criterion for EIS measurements | |
| Belanger | Determination of sulfur dioxide by anodic oxidation on lead dioxide electrodes | |
| JPH0298661A (en) | Method for measuring residual chlorine without being affected by disturbing component | |
| JP2008267838A (en) | Apparatus for analyzing liquid quality | |
| Busch et al. | Microprocessor-controlled differential titrator | |
| JPH0641168Y2 (en) | Reagentless residual chlorine meter | |
| Foresti et al. | Electrode charge measurements at dropping electrodes: Part II. Chronocoulometric measurement of absolute values of charge with a pressurized electrode | |
| RU2196998C2 (en) | Procedure measuring constant component of harmonic signal | |
| JPS61233353A (en) | Auto zero device for measuring instrument utilizing immobilized enzyme membrane | |
| JPS6243134B2 (en) | ||
| SU915014A1 (en) | DEVICE FOR THE FORMATION OF ELECTROLYTE GAP IN MERCURY CLOSTER1 | |
| RU2284517C2 (en) | Method of measuring electric parameters of high-current pulse processes in electrolyte solutions and computer measurement system | |
| JPS6313486Y2 (en) | ||
| JPS6342359Y2 (en) |