CN103645387A - Streaming potential titration instrument - Google Patents
Streaming potential titration instrument Download PDFInfo
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- CN103645387A CN103645387A CN201310636757.5A CN201310636757A CN103645387A CN 103645387 A CN103645387 A CN 103645387A CN 201310636757 A CN201310636757 A CN 201310636757A CN 103645387 A CN103645387 A CN 103645387A
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- streaming potential
- water
- probe
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- signal processing
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Abstract
The invention relates to a streaming potential titration instrument. A previously-used online streaming potential sensor cannot meet the need of laboratory studies. The streaming potential titration instrument is reached and developed on the basis of the online streaming potential sensor. The streaming potential titration instrument comprises a water inlet, a water outlet, a graduated beaker, a stirring magnetic rod, an electromagnetic stirrer and a chemical titration device. The graduated beaker contains measured water, the electromagnetic stirrer rotates an electromagnetic field to drag the stirring magnetic rod to rotate so as to push the measured water in the graduated beaker to do vortex rotation, the measured water doing vortex rotation flows in from the water inlet of a probe and discharges from the water outlet of the probe, the measured water forms circulation through the probe, and the amount of chemical titrated by chemical titration device is controlled according to a display signal of a signal processing unit until the display signal of the signal processing unit reaches 0. The amount of charge in the titrated chemical is the amount of charge contained in the measured water. Precise measurement on residual charge content in measured liquid is realized.
Description
Technical field
The present invention relates to streaming potential titrator, for laboratory study provides the analytical instrument of accurate measurement electric charge, is the expanded application of streaming potential on-line sensor.
Background technology
In laboratory study, need titrimetry instrument, by titration opposite charges medicament, accurately measure the residual charge in fluid to be measured.Streaming potential on-line sensor in the past cannot meet laboratory study needs, and the present invention develops streaming potential titrator on the basis of streaming potential on-line sensor.
Summary of the invention
1, technical matters to be solved
In laboratory study, need titrimetry instrument accurately to measure the residual charge in fluid to be measured by titration opposite charges medicament, and streaming potential on-line sensor in the past cannot meet laboratory study needs.
2, technical scheme
In order to overcome the above problems, the invention provides a kind of streaming potential titrator, comprising: water inlet 14, water delivering orifice 10, meter glass 100, stirring bar magnet 102, magnetic stirrer 104, medicament titration apparatus 120.Streaming potential titrator of the present invention, accurately measures the residual charge content in fluid to be measured by titration opposite charges medicament, is supplementing and expansion of streaming potential on-line sensor.
3, beneficial effect
The present invention proposes the analytical instrument that the laboratory study of a kind of streaming potential titrator provides accurate measurement electric charge, is the expanded application of streaming potential on-line sensor, has met laboratory study needs.
accompanying drawing explanation
The desk-top analyser of Fig. 1 streaming potential (cut-open view)
14: water inlet; 10: water delivering orifice; 100: meter glass; 102: stir bar magnet; 104: magnetic stirrer; 120: medicament titration apparatus; Signal processing unit (34)
Embodiment
Below by embodiment, the present invention is described in detail.
Embodiment 1
Its working method is as follows:
Streaming potential titrator of the present invention, in meter glass 100, fill tested water, magnetic stirrer 104 is dragged and is stirred bar magnet 102 rotations by rotary electromagnetic field, the tested water turbulence that the stirring bar magnet 102 of rotation promotes in meter glass 100 rotates, the tested water that eddy current rotates flows into from the water inlet 14 of probe, from the water delivering orifice 10 of probe, discharge, tested water forms circulation by probe.The operation of probe detects polarity and the electric weight (showing by signal processing unit 34) of the residual charge in tested water.According to the display of signal processing unit 34, control medicament (opposite charges medicament) dosage of medicament titration apparatus 120, until arriving, the display of signal processing unit 34 stops zero point.The quantity of electric charge in titration medicament total amount is exactly the quantity of electric charge (polarity is contrary) contained in tested water, realizes and accurately measures the residual charge content in fluid to be measured.
Claims (5)
1. a streaming potential titrator, comprising: water inlet (14), water delivering orifice (10), meter glass (100), stirring bar magnet (102), magnetic stirrer (104), medicament titration apparatus (120), signal processing unit (34).
2. streaming potential titrator as claimed in claim 1, it is characterized in that: meter glass fills tested water in (100), magnetic stirrer (104) is dragged and is stirred bar magnet (102) rotation by rotary electromagnetic field, and the tested water turbulence that the stirring bar magnet (102) of rotation promotes in meter glass (100) rotates.
3. the streaming potential titrator as described in claim 1-2, is characterized in that: the tested water that eddy current rotates flows into from the water inlet (14) of probe, and from the water delivering orifice (10) of probe, discharge, tested water forms circulation by probe.
4. the streaming potential titrator as described in claim 1-2, it is characterized in that: the operation of probe detects polarity and the electric weight of the residual charge in tested water, according to the display of signal processing unit (34), control the added amount of chemical of medicament titration apparatus (120), until the display of signal processing unit (34) arrives, stop zero point.
5. the streaming potential titrator as described in claim 1-4, is characterized in that: the quantity of electric charge in titration medicament total amount is exactly the quantity of electric charge contained in tested water, realizes and accurately measures the residual charge content in fluid to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310636757.5A CN103645387A (en) | 2013-12-03 | 2013-12-03 | Streaming potential titration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310636757.5A CN103645387A (en) | 2013-12-03 | 2013-12-03 | Streaming potential titration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103645387A true CN103645387A (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310636757.5A Pending CN103645387A (en) | 2013-12-03 | 2013-12-03 | Streaming potential titration instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN103645387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181889A (en) * | 2015-09-30 | 2015-12-23 | 王竞 | Liquid analysis method and device adopting potentiometric titration |
| CN107462783A (en) * | 2016-06-02 | 2017-12-12 | 镇江腾龙智能科技有限公司 | Streaming potential on-line measurement instrument |
| CN107462664A (en) * | 2016-06-02 | 2017-12-12 | 镇江腾龙智能科技有限公司 | Streaming potential titrator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3368145A (en) * | 1966-03-04 | 1968-02-06 | Dow Chemical Co | Apparatus for measuring charge condition within a solution |
| US4297640A (en) * | 1980-02-11 | 1981-10-27 | The Dow Chemical Company | Apparatus for measuring the electric charge condition of non-conductive particles in a mildly conductive electrolyte |
| US6176974B1 (en) * | 1997-12-22 | 2001-01-23 | International Paper Company | Method for determining electrokinetic properties of papermaking furnish |
| JP4528600B2 (en) * | 2004-10-29 | 2010-08-18 | 株式会社東芝 | Streaming potential measuring device and manufacturing method thereof |
-
2013
- 2013-12-03 CN CN201310636757.5A patent/CN103645387A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3368145A (en) * | 1966-03-04 | 1968-02-06 | Dow Chemical Co | Apparatus for measuring charge condition within a solution |
| US4297640A (en) * | 1980-02-11 | 1981-10-27 | The Dow Chemical Company | Apparatus for measuring the electric charge condition of non-conductive particles in a mildly conductive electrolyte |
| US6176974B1 (en) * | 1997-12-22 | 2001-01-23 | International Paper Company | Method for determining electrokinetic properties of papermaking furnish |
| JP4528600B2 (en) * | 2004-10-29 | 2010-08-18 | 株式会社東芝 | Streaming potential measuring device and manufacturing method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 孙兴胜等: "新型游动电位技术在给出处理中的应用", 《中国给水排水》 * |
| 王建平: "PLC在水厂加药自动控制系统中的应用", 《工业技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181889A (en) * | 2015-09-30 | 2015-12-23 | 王竞 | Liquid analysis method and device adopting potentiometric titration |
| CN107462783A (en) * | 2016-06-02 | 2017-12-12 | 镇江腾龙智能科技有限公司 | Streaming potential on-line measurement instrument |
| CN107462664A (en) * | 2016-06-02 | 2017-12-12 | 镇江腾龙智能科技有限公司 | Streaming potential titrator |
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Application publication date: 20140319 |