CN2528011Y - On-line trace dissolved oxygen standard generator - Google Patents
On-line trace dissolved oxygen standard generator Download PDFInfo
- Publication number
- CN2528011Y CN2528011Y CN 02208895 CN02208895U CN2528011Y CN 2528011 Y CN2528011 Y CN 2528011Y CN 02208895 CN02208895 CN 02208895 CN 02208895 U CN02208895 U CN 02208895U CN 2528011 Y CN2528011 Y CN 2528011Y
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- Prior art keywords
- dissolved oxygen
- electrode
- electrolytic cell
- water
- constant
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Abstract
The utility model relates to an online low-level dissolved oxygen standard generator, belonging to a field of analysis inspection instrument used in industry, which comprises a water electrolysis tank, a water flow-meter, and a constant-current power supply, the utility model is characterized in that the top of the water electrolysis tank is provided with an adjustable four-way valve which is communicated with the tank body, the side of the water electrolysis tank is connected with a water inlet pipe, the bottom of the water electrolysis tank is connected with a sealed electrode base, the electrode at the center of the base is connected to the constant-current power supply through feeder terminal. The utility model provides an effective online low-level dissolved oxygen calibration standard generator and has high sensibility and accuracy.
Description
(1) technical field
The utility model belongs to industrial analysis and detecting instrument field, specially refers to a kind of online trace dissolved oxygen calibrated generator that uses faraday law electrolysis oxygen.
(2) background technology
In commercial production (as electric power, chemical industry etc.), a large amount of content that use online oligodynamical oxygen analyzer to detect micro amount of oxygen in the water sample, and demarcation dissolved oxygen analyser, must realize by a kind of standard oxygen amount generator, in the prior art, also do not examine and determine the unified standard of trace dissolved oxygen,, just become a kind of aim of using faraday standard oxygen generator as calibrating installation of being developed at present in order to satisfy the needs in the commercial production.
(3) summary of the invention
The utility model is for overcoming in the prior art, the accuracy of measuring for online oligodynamical oxygen analyzer is not high, lack consistent weak points such as standard verification, and develop a kind of calibrated generator of online trace dissolved oxygen, in order in industry, to carry out useful test.The purpose of this utility model realizes by the following technical solutions, online trace dissolved oxygen calibrated generator comprises a water electrolytic cell, water ga(u)ge, constant-current supply, it is characterized in that, the electrolytic cell top is provided with an adjustable four-way valve that communicates with the pond body, the electrolytic cell sidepiece is connected with inlet pipeline, the electrolytic cell bottom is connected with the sealed electrode base, and base center electrode is connected to constant-current supply by feed line terminals.At sealed electrode seat middle part is the crystal entertainment ball of an insulation, and electrode is equipped with at the center, and the core body bottom is provided with end cover.In order to improve degree of stability and sensitivity, central electrode is made of two platinum bars.
The beneficial effects of the utility model are that this calibrated generator provides a kind of standard verification of effective online trace dissolved oxygen, has higher sensitivity and accuracy.
(4) description of drawings
Fig. 1 is online trace dissolved oxygen calibrated generator synoptic diagram.
(5) embodiment
With reference to Fig. 1, the calibrated generator synoptic diagram that expression utilizes faraday law that online trace dissolved oxygen is examined and determine, wherein adjustable four-way valve 2 is equipped with on standard oxygen generator 1 top, cell center is an electrode 3, link to each other with electrolytic cell in the water inlet pipe 5, there is tested water sample to enter in the pond by flowmeter 4, the electrolytic cell bottom is a sealed electrode seat 6, its lower end is connected with the feeder line that feed line terminals 7 communicates with electrode and is connected in the constant-current supply 9, it provides constant electric current of electrode to be used for the electrolysis of water, 8 is a lambda sensor, and it communicates with four-way valve 2.
Claims (3)
1. online trace dissolved oxygen calibrated generator, comprise a water electrolytic cell, water ga(u)ge, constant-current supply, it is characterized in that, the electrolytic cell top is provided with an adjustable four-way valve that communicates with the pond body, the electrolytic cell sidepiece is connected with inlet pipeline, the electrolytic cell bottom is connected with the sealed electrode base, and base center electrode is connected to constant-current supply by feed line terminals.
2. generator according to claim 1 is characterized in that, is the crystal entertainment ball of an insulation at sealed electrode seat middle part, and electrode is equipped with at the center, and the core body bottom is provided with end cover.
3. device according to claim 1 is characterized in that, central electrode is made of two platinum bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02208895 CN2528011Y (en) | 2002-04-05 | 2002-04-05 | On-line trace dissolved oxygen standard generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02208895 CN2528011Y (en) | 2002-04-05 | 2002-04-05 | On-line trace dissolved oxygen standard generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2528011Y true CN2528011Y (en) | 2002-12-25 |
Family
ID=33689455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02208895 Expired - Fee Related CN2528011Y (en) | 2002-04-05 | 2002-04-05 | On-line trace dissolved oxygen standard generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2528011Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183087B (en) * | 2007-12-27 | 2011-05-04 | 中国计量科学研究院 | Trace quantity dissolved oxygen instrument test calibration system and calibrate method thereof |
| CN105424769A (en) * | 2015-11-09 | 2016-03-23 | 北京华科仪科技股份有限公司 | Trace dissolved oxygen tester on-line calibrating device and calibration method thereof |
-
2002
- 2002-04-05 CN CN 02208895 patent/CN2528011Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183087B (en) * | 2007-12-27 | 2011-05-04 | 中国计量科学研究院 | Trace quantity dissolved oxygen instrument test calibration system and calibrate method thereof |
| CN105424769A (en) * | 2015-11-09 | 2016-03-23 | 北京华科仪科技股份有限公司 | Trace dissolved oxygen tester on-line calibrating device and calibration method thereof |
| CN105424769B (en) * | 2015-11-09 | 2018-10-26 | 北京华科仪科技股份有限公司 | A kind of trace dissolved oxygen analyzer on-line calibration device and its calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |