CN102053111A - On-line pH electrode cleaning device - Google Patents
On-line pH electrode cleaning device Download PDFInfo
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- CN102053111A CN102053111A CN2010105492540A CN201010549254A CN102053111A CN 102053111 A CN102053111 A CN 102053111A CN 2010105492540 A CN2010105492540 A CN 2010105492540A CN 201010549254 A CN201010549254 A CN 201010549254A CN 102053111 A CN102053111 A CN 102053111A
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Abstract
The invention discloses an on-line pH electrode cleaning device. The device comprises a supporting sleeve, an electrode ring assembly fixedly arranged at the lower end of the supporting sleeve, a direct-current power supply connected with the electrode ring assembly through a circuit, and a plurality of pores formed on the supporting sleeve and adjacent to the electrode ring assembly. The on-line pH electrode cleaning device provided by the invention performs on-line cleaning on the probe surface of a pH electrode by using bubbles and free radicals generated in the electrolysis process of the electrode ring assembly; and the device has simple structure and small volume, and is not easily damaged.
Description
Technical field
The present invention relates to a kind of electrode cleaning device, relate in particular to a kind of online pH electrode cleaning device.
Background technology
Along with China's rapid development of economy, people are more and more higher to requirement on environmental protection, and each big and medium-sized cities has been built up a collection of municipal sewage plant and large scale industry sewage centralized treatment plant successively.The operation of these sewage treatment plants has been played positive effect to the discharging that reduces water pollutant, the total quality that improves water environment.Yet when actual motion, can reach optimum operation situation, good only the occupying the minority of operational effect in these sewage treatment plants, its one of the main reasons is that some automatic online detecting instruments and equipment are not very perfect, and error is very big.
PH meter is a kind of very accurate detecting element commonly used in the sewage disposal system, have measure accurately, reliability is high, installation and advantage such as easy to maintenance, is bringing into play important effect at aspects such as monitoring sewage quality indexs.The electrode pair of pH meter pollutes also sensitivity simultaneously, fouling easily, thus cause pH value measuring error to strengthen, sensitivity reduces, bad stability.Therefore need often to demarcate, promptly use the gauging instrument of standard that the accuracy (precision) of pH meter is detected and calibrates.Generally to one and a half months the pH meter in using is demarcated once every other month, every two years changed the electrode of a pH meter.
Existing pH electrode cleaning method mainly contains ultrasonic cleaning, water jet cleaning, blast injection cleaning, mechanical cleaning, chemical solution jet cleaning, compound cleaning and artificial cleaning etc.Yet these cleaning methods need be equipped with specialized apparatus or chemical reagent etc., and the operation more complicated wastes time and energy, and measurement is interrupted, and influence detects automatically, can not satisfy the needs of online testing.
Therefore,, the invention provides a kind of simple and efficient pH electrode cleaning device, very important meaning is arranged for accurately moving continuously of online pH electrode at the problem and the restriction of above-mentioned present existence.
Summary of the invention
The purpose of this invention is to provide a kind of online pH electrode cleaning device, it can realize the dirt on pH electrode probe surface is carried out online effective cleaning, have simple in structure, volume is small and exquisite, advantage such as not fragile.
For achieving the above object, technical scheme of the present invention provides a kind of online pH electrode cleaning device, it comprises: supporting sleeve, be fixedly installed on the electrode retaining collar assembly of this supporting sleeve lower end, the direct supply that is connected by circuit with this electrode retaining collar assembly, and some be opened on the described supporting sleeve and with the contiguous pore that is provided with of described electrode retaining collar assembly; Described online pH electrode cleaning device utilizes the bubble that the electrode retaining collar assembly produces in electrolytic process and the detecting head surface of radical pair pH electrode to carry out on-line cleaning.
Wherein, described electrode retaining collar assembly comprises: the anode ring, and it is connected with the positive pole of direct supply by positive wire; Cathode loop, it is connected with the negative pole of direct supply by cathode wire.
In a preferred embodiment, described anode ring is arranged on the below of cathode loop, and spacing between the two is 5～15 millimeters.Described anode ring is to be connected with the positive pole of direct supply by the positive wire along the arranged outside of supporting sleeve; Described cathode loop is to be connected with the negative pole of direct supply by the cathode wire that the inboard along supporting sleeve is provided with.Further, the diameter of described anode ring is less than or equal to the diameter of cathode loop.
In a further advantageous embodiment, described cathode loop is arranged on the below of anode ring, and spacing between the two is the 5-15 millimeter.Described anode ring is to be connected with the positive pole of direct supply by the positive wire that the inboard along supporting sleeve is provided with; Described cathode loop is to be connected with the negative pole of direct supply by the cathode wire along the arranged outside of supporting sleeve.Further, the diameter of described cathode loop is less than or equal to the diameter of anode ring.
Described some pores are the symmetrical respectively 5-10 millimeter places, top that is opened in anode ring and cathode loop, and in the process of cleaning the pH electrode, this pore is discharged into the bubble through the pH detecting head surface that produces in the electrolytic process in the outside of supporting sleeve.
Described each pore all is that the length of side is the square pore of 3-5 millimeter, or diameter is the circular pore of 3-5 millimeter.
Further, online pH electrode cleaning device of the present invention also comprises the fixedly plug that is fixedly installed on the supporting sleeve top, this fixedly plug adopt elastomeric material to make, in the process of cleaning the pH electrode, this fixedly plug be used for fixing the probe of pH electrode.
Described anode ring and cathode loop all adopt any one material or the different materials combination in nickel, cobalt, molybdenum, tin, titanium, iron, copper, the ruthenium to make.
Described supporting sleeve adopts any one material in glass, quartz, the organic glass to make.
Online pH electrode cleaning device provided by the invention, the bubble and the free radical that utilize the electrode retaining collar assembly to produce in electrolytic process can be realized the detecting head surface of pH electrode is carried out on-line cleaning.Simple to operate, and need not to interrupt the detection of pH electrode pair aqueous solution.
Online pH electrode cleaning device provided by the invention, have simple in structure, volume is small and exquisite, advantage such as not fragile.
Description of drawings
Fig. 1 is the structural representation of online pH electrode cleaning device provided by the invention.
Fig. 2 is the fundamental diagram of online pH electrode cleaning device provided by the invention.
Embodiment
Below in conjunction with Fig. 1～Fig. 2, describe a preferred embodiment of the present invention in detail.
As shown in Figure 1, be the structural representation of online pH electrode cleaning device of the present invention.This online pH electrode cleaning device comprises: supporting sleeve 4 is fixedly installed on the electrode retaining collar assembly of these supporting sleeve 4 lower ends, the direct supply 8 that is connected by circuit with this electrode retaining collar assembly, and some pores 3 that is opened on the described supporting sleeve 4.
Wherein, described electrode retaining collar assembly comprises: anode ring 1, and it is connected with the positive pole of direct supply 8 by positive wire 5; Cathode loop 2, it is connected with the negative pole of direct supply 8 by cathode wire 6.
In the present embodiment, described anode ring 1 is arranged on the below of cathode loop 2, and spacing between the two is the 5-15 millimeter, and is preferred, can select that spacing is 10 millimeters between anode ring 1 and the cathode loop 2.Described anode ring 1 is to be connected with the positive pole of direct supply 8 by the positive wire 5 along the arranged outside of supporting sleeve 4; And described cathode loop 2 is to be connected with the negative pole of direct supply 8 by the cathode wire 6 that the inboard along supporting sleeve 4 is provided with.Further, the diameter of described anode ring 1 is less than or equal to the diameter of cathode loop 2, and bubble that produces at anode ring 1 place in electrolytic process or free radical can wash away effectively and clean the top of the probe of pH electrode 9 like this, and it is comprehensive to guarantee that probe cleans.
In another preferred embodiment, described cathode loop 2 is arranged on the below of anode ring 1, and spacing equally between the two is the 5-15 millimeter, and is preferred, can select that spacing is 10 millimeters between anode ring 1 and the cathode loop 2.Described anode ring 1 is to be connected with the positive pole of direct supply 8 by the positive wire 5 that the inboard along supporting sleeve 4 is provided with; And described cathode loop 2 is to be connected with the negative pole of direct supply 8 by the cathode wire 6 along the arranged outside of supporting sleeve 4.Further, the diameter of described cathode loop 1 is less than or equal to the diameter of anode ring 2, and bubble that produces at cathode loop 1 place in electrolytic process or free radical can wash away effectively and clean the top of the probe of pH electrode 9 like this, and it is comprehensive to guarantee that probe cleans.
Described supporting sleeve 4 adopts any one material in glass, quartz, the organic glass to make.In the present embodiment, the supporting sleeve 4 that adopts glass to make.
Described anode ring 1 and cathode loop 2 all adopt any one material or the different materials combination in nickel, cobalt, molybdenum, tin, titanium, iron, copper, the ruthenium to make.
In the present embodiment, described positive wire 1 and cathode wire 2 are copper cash.The voltage of described direct supply 8 is 6～36V.
Described some pores 3 are the symmetrical respectively 5-10 millimeter place, top that is opened in anode ring 1 and cathode loop 2, and are preferred, can select the symmetrical respectively 5 millimeters places, top that are opened in anode ring 1 and cathode loop 2 of pore 3.This each pore 3 all is that the length of side is the square pore of 3-5 millimeter, or diameter is the circular pore of 3-5 millimeter, is mainly used in the outside that the bubble through the pH detecting head surface that will produce in the electrolytic process is discharged into supporting sleeve 4.In the present embodiment, the employing length of side is 3 millimeters a square pore.
Further, online pH electrode cleaning device of the present invention also comprises the fixedly plug 7 that is fixedly installed on supporting sleeve 4 tops, this fixedly plug 7 adopt elastomeric materials to make, in the process of cleaning the pH electrode, be used for fixing the pH probe.
As shown in Figure 2, describe principle of work of the present invention and process in detail.At first, pH electrode 9 is inserted in the supporting sleeve 4 of online pH electrode cleaning device provided by the present invention, adjusts the position of pH electrode 9 in supporting sleeve 4,3 millimeters places, top that this pH electrode 9 is arranged on apart from anode ring 1 are good.Utilize fixedly 7 pairs of pH electrodes 9 of plug to fix again.Subsequently whole online pH electrode cleaning device is positioned in the aqueous solution to be measured together with pH electrode 9, when pH electrode 9 detects pH value of water solution, can carry out under the situation of testing at uninterrupted pH electrode 9, online at any time is cleaned the probe of this pH electrode 9.As long as being switched on or switched off direct supply 8 and being may command begins to clean or finishes the probe of pH electrode 9 and clean.After connecting direct supply 8, utilize the bubble that aqueous solution produced in electrolytic process and the probe of radical pair pH electrode 9 to clean; Comparatively appropriate scavenging period should be, and after beginning bubble to occur on described anode ring 1 and the cathode loop 2, the flush clean that the probe of pH electrode 9 was carried out 1-2 minute gets final product.Disconnect direct supply 8 subsequently, finish this and take turns cleaning.In this process, the bubble through the pH detecting head surface that produces in electrolytic process is discharged into the outside of supporting sleeve 4 by pore 3.
Can certainly control this direct supply 8 and switch on and off periodically automatically, realize with the automatic cleaning of fixed frequency (fixing scavenging period and fixing interval time) to the probe of pH electrode 9.
Online pH electrode cleaning device provided by the invention, the bubble and the free radical that utilize the electrode retaining collar assembly to produce in electrolytic process can be realized the detecting head surface of pH electrode is carried out on-line cleaning.Simple to operate, and need not to interrupt the detection of pH electrode pair aqueous solution.
Online pH electrode cleaning device provided by the invention, have simple in structure, volume is small and exquisite, advantage such as not fragile.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. an online pH electrode cleaning device is characterized in that, comprises:
Supporting sleeve (4);
The electrode retaining collar assembly, it is fixedly installed on the lower end of described supporting sleeve (4); This electrode retaining collar assembly comprises anode ring (1) and cathode loop (2);
Pore (3) is opened on the described supporting sleeve (4), and the adjacent electrode ring assemblies is provided with;
Direct supply (8), it is connected by circuit with described electrode retaining collar assembly;
Described online pH electrode cleaning device utilizes the bubble that the electrode retaining collar assembly produces in electrolytic process and the detecting head surface of radical pair pH electrode (9) to carry out on-line cleaning.
2. online pH electrode cleaning device as claimed in claim 1 is characterized in that described anode ring (1) is arranged on the below of cathode loop (2);
Described anode ring (1) passes through to be connected with the positive pole of direct supply (8) along the positive wire (5) of the arranged outside of supporting sleeve (4);
Described cathode loop (2) is connected with the negative pole of direct supply (8) by the cathode wire (6) that the inboard along supporting sleeve (4) is provided with;
The diameter of described anode ring (1) is less than or equal to the diameter of cathode loop (2).
3. online pH electrode cleaning device as claimed in claim 1 is characterized in that described cathode loop (2) is arranged on the below of anode ring (1);
Described anode ring (1) is connected with the positive pole of direct supply (8) by the positive wire (5) that the inboard along supporting sleeve (4) is provided with;
Described cathode loop (2) passes through to be connected with the negative pole of direct supply (8) along the cathode wire (6) of the arranged outside of supporting sleeve (4);
The diameter of described cathode loop (2) is less than or equal to the diameter of anode ring (1).
4. as claim 2 or 3 described online pH electrode cleaning devices, it is characterized in that the spacing between described anode ring (1) and the cathode loop (2) is the 5-15 millimeter.
5. online pH electrode cleaning device as claimed in claim 4 is characterized in that, described anode ring (1) and cathode loop (2) all adopt any one material or the different materials combination in nickel, cobalt, molybdenum, tin, titanium, iron, copper, the ruthenium to make.
6. online pH electrode cleaning device as claimed in claim 1, it is characterized in that, described some pores (3) are that symmetry is opened in the 5-10 millimeter place, top of anode ring (1) and cathode loop (2) respectively, in the process of cleaning the pH electrode, this pore (3) is discharged into the bubble through the pH detecting head surface that produces in the electrolytic process in the outside of supporting sleeve (4).
7. online pH electrode cleaning device as claimed in claim 6 is characterized in that, described each pore (3) all is that the length of side is the square pore of 3-5 millimeter, or diameter is the circular pore of 3-5 millimeter.
8. online pH electrode cleaning device as claimed in claim 1, it is characterized in that, this cleaning device also comprises the fixedly plug (7) that is fixedly installed on supporting sleeve (4) top, it adopts elastomeric material to make, in the process of cleaning the pH electrode, this fixedly plug (7) be used for fixing the probe of pH electrode (9).
9. online pH electrode cleaning device as claimed in claim 1 is characterized in that, described supporting sleeve (4) adopts any one material in glass, quartz, the organic glass to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010549254 CN102053111B (en) | 2010-11-18 | 2010-11-18 | On-line pH electrode cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010549254 CN102053111B (en) | 2010-11-18 | 2010-11-18 | On-line pH electrode cleaning device |
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| Publication Number | Publication Date |
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| CN102053111A true CN102053111A (en) | 2011-05-11 |
| CN102053111B CN102053111B (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010549254 Expired - Fee Related CN102053111B (en) | 2010-11-18 | 2010-11-18 | On-line pH electrode cleaning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319691A (en) * | 2011-06-14 | 2012-01-18 | 白银有色集团股份有限公司 | pH electrode cleaning method in sulphuric acid system sewage treatment process |
| CN102706943A (en) * | 2012-06-01 | 2012-10-03 | 轻工业环境保护研究所 | Cleaning device for pH meter and cleaning method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103809A (en) * | 1986-05-30 | 1987-04-15 | 广州市新技术应用研究所 | General electrode cleaning device |
| JPH08117756A (en) * | 1994-10-27 | 1996-05-14 | Matsushita Electric Ind Co Ltd | Ion water maker and ph sensor washing method |
| JP3502503B2 (en) * | 1996-03-30 | 2004-03-02 | 株式会社堀場製作所 | Water quality analyzer |
| CN101424657A (en) * | 2008-12-15 | 2009-05-06 | 杭州电子科技大学 | Ph automatic continuous detection device |
-
2010
- 2010-11-18 CN CN 201010549254 patent/CN102053111B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103809A (en) * | 1986-05-30 | 1987-04-15 | 广州市新技术应用研究所 | General electrode cleaning device |
| JPH08117756A (en) * | 1994-10-27 | 1996-05-14 | Matsushita Electric Ind Co Ltd | Ion water maker and ph sensor washing method |
| JP3502503B2 (en) * | 1996-03-30 | 2004-03-02 | 株式会社堀場製作所 | Water quality analyzer |
| CN101424657A (en) * | 2008-12-15 | 2009-05-06 | 杭州电子科技大学 | Ph automatic continuous detection device |
Non-Patent Citations (2)
| Title |
|---|
| HYUN-HO LEE等: "A new method to control electrolytes pH by circulation system in electrokinetic soil remediation", 《JOURNAL OF HAZARDOUS MATERIALS》, no. 77, 31 December 2000 (2000-12-31), pages 227 - 240 * |
| 张立军等: "pH电极的清洗方法", 《氯碱工业》, no. 8, 31 August 2001 (2001-08-31), pages 36 - 37 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319691A (en) * | 2011-06-14 | 2012-01-18 | 白银有色集团股份有限公司 | pH electrode cleaning method in sulphuric acid system sewage treatment process |
| CN102706943A (en) * | 2012-06-01 | 2012-10-03 | 轻工业环境保护研究所 | Cleaning device for pH meter and cleaning method thereof |
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|---|---|
| CN102053111B (en) | 2013-03-27 |
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Owner name: LIU ZHONGMIN Free format text: FORMER OWNER: SHANGHAI HENGWEI INFORMATION TECHNOLOGY CO., LTD. Effective date: 20130902 Owner name: SHANGHAI HENGWEI ENVIRONMENTAL PROTECTION ENGINEER Free format text: FORMER OWNER: LIU ZHONGMIN Effective date: 20130902 |
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Free format text: CORRECT: ADDRESS; FROM: 466300 ZHOUKOU, HENAN PROVINCE TO: 201599 JINSHAN, SHANGHAI Free format text: CORRECT: ADDRESS; FROM: 201203 PUDONG NEW AREA, SHANGHAI TO: 466300 ZHOUKOU, HENAN PROVINCE |
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Effective date of registration: 20130902 Address after: 201599 Shanghai city Jinshan District zhujingzhen Xilin Street No. 246 room 3001, block A3 Patentee after: SHANGHAI HENGWEI INFORMATION TECHNOLOGY Co.,Ltd. Address before: 466300, No. 11, Liu Zhuang village, Li Zhuang village, old town, Shenqiu County, Henan, Zhoukou Patentee before: Liu Zhongmin Effective date of registration: 20130902 Address after: 466300, No. 11, Liu Zhuang village, Li Zhuang village, old town, Shenqiu County, Henan, Zhoukou Patentee after: Liu Zhongmin Address before: 201203, building 88, No. 19 Darwin Road, Zhangjiang hi tech park, Shanghai, Pudong New Area Patentee before: SHANGHAI HENGWEI INFORMATION TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20130327 Termination date: 20151118 |