CN203811572U - Online corrosion rate electrochemical monitor system for copper wire bar of generator - Google Patents
Online corrosion rate electrochemical monitor system for copper wire bar of generator Download PDFInfo
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- CN203811572U CN203811572U CN201420198528.XU CN201420198528U CN203811572U CN 203811572 U CN203811572 U CN 203811572U CN 201420198528 U CN201420198528 U CN 201420198528U CN 203811572 U CN203811572 U CN 203811572U
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Abstract
The utility model provides an online corrosion rate electrochemical monitor system for a copper wire bar of a generator. The monitor system is connected with a cold water system in the generator through a flange, a check valve and a pipeline, wherein an adjusting valve, a flow meter, an electrochemical measurement sensor and a corrosion monitor pipe are sequentially arranged on the pipeline; the electrochemical measurement sensor is connected with an electrochemical measurement instrument; a bypass is arranged is arranged between the flow meter and the electrochemical measurement sensor on the pipeline; a micro-adjustable valve, a cooler, a micro-flow meter, an online conductivity analyzer, an online pH meter, an online dissolved oxygen meter and a mixed bed are sequentially arranged on the bypass. The online corrosion rate electrochemical monitor system can be used for quickly, accurately and continuously monitoring the corrosion rate of the copper wire bar of the generator, realizes evaluation and optimization of cold water treatment effect in the generator by combining the inner cold water quality monitor results, and guarantees safe and economical operation of the generator.
Description
Technical field
The utility model relates to metal corrosion rate measuring technical field, relates in particular to a kind of generator corrosion of copper winding bar speed galvanochemistry on-line monitoring system.
Background technology
Generator is the important component part of Electric Power Generating Equipment, and its normal operation is directly connected to the safe operation of power plant.In order effectively to suppress or slow down the corrosion of generator copper cash rod, various electric generator inner cooling method for treating water are studied both at home and abroad, as corrosion inhibitor, little mixed bed method (Hydrogen, sodium type, ammonium type), alkali adding method, nitrogen filled protection method, deoxygenation facture etc.Above under all kinds of inner cold water processing modes, the actual extent of corrosion of generator copper cash rod how, on the impact of corrosion of copper winding bar speed how inner cold water change of water quality, whether generator system moves under optimum inner cold water processing mode and operating mode, domesticly can only, by measuring in electric generator inner cooling water copper content or adopt corrosion coupon method indirectly and reflection qualitatively, there is no special corrosion of copper winding bar speed on-line monitoring system at present.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of generator corrosion of copper winding bar speed galvanochemistry on-line monitoring system, realizing generator corrosion of copper winding bar speed monitors fast, accurately and continuously, in conjunction with inner cold water water quality monitoring result, realize electric generator inner cooling water treatment effect evaluation and optimization, ensure safety, the economical operation of generator.
For reaching above object, the utility model adopts following technical scheme:
A kind of generator corrosion of copper winding bar speed galvanochemistry on-line monitoring system, described monitoring system is connected with electric generator inner cooling water system by flange 1, stop valve 2 and pipeline 3, on pipeline 3, be disposed with variable valve 4, flowmeter 5, electrochemical measurement sensor 7 and corrosion monitoring pipe 6, electrochemical measurement sensor 7 is connected with electrochemical measurement instrument 8; On pipeline 3, between flowmeter 5 and electrochemical measurement sensor 7, bypass is also set, in bypass, is disposed with Mini-adjustable valve 9, refrigeratory 10, micro-flowmeter 11, online conductivity table 12, online pH table 13, online dissolved oxygen meter 14 and mixed bed 15.
By the water sample flow of variable valve 4 and flowmeter 5 regulator generator corrosion of copper winding bar speed galvanochemistry on-line monitoring systems, make working electrode in electrochemical measurement sensor 7 there is identical surface line flow velocity with generator copper cash rod; Described corrosion monitoring pipe 6 is for observing copper corrosion lacing film erosion profile or measuring generator corrosion of copper winding bar speed for weight-loss method; Regulate by Mini-adjustable valve 9 and micro-flowmeter 11 the water sample flow that enters online conductivity table 12, online pH table 13 and online dissolved oxygen meter 14; Regulate the TWS that enters online conductivity table 12, online pH table 13 and online dissolved oxygen meter 14 by refrigeratory 10; Described online conductivity table 12, online pH table 13 and online dissolved oxygen meter 14 are for monitoring electric generator inner cooling water water quality; The foreign ion that described mixed bed 15 discharges for removing water quality monitoring bypass.
Compared to the prior art, tool has the following advantages the utility model:
1, measure the releasing degree that electric generator inner cooling water copper content can only reflect generator corrosion of copper winding bar product qualitatively, the utility model galvanochemistry on-line monitoring system can accurately reflect copper cash rod general corrosion degree.
2, for copper corrosion resistant metal system, the weight-loss method test period is longer, and weight-loss method obtains is the average corrosion rate in metal a period of time, cannot obtain corrosion rate rule over time.The utility model galvanochemistry on-line monitoring system monitoring velocity is fast, result accurately, reliable, can obtain corrosion rate rule over time.
3, supporting inner cold water water quality online analyzer table (online conductivity table 12, online pH table 13 and online dissolved oxygen meter 14), can provide inner cold water water quality Real-Time Monitoring result.According to generator corrosion of copper winding bar on-line monitoring result and on-line chemical monitoring instrument water quality monitoring result, can realize electric generator inner cooling water treatment effect evaluation and optimization, ensure safety, the economical operation of generator.
Brief description of the drawings
Accompanying drawing is the utility model system architecture schematic diagram.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in drawings, a kind of generator corrosion of copper winding bar of the utility model speed galvanochemistry on-line monitoring system, described monitoring system is connected with electric generator inner cooling water system by flange 1, stop valve 2 and pipeline 3, on pipeline 3, be disposed with variable valve 4, flowmeter 5, electrochemical measurement sensor 7 and corrosion monitoring pipe 6, electrochemical measurement sensor 7 is connected with electrochemical measurement instrument 8; On pipeline 3, between flowmeter 5 and electrochemical measurement sensor 7, bypass is also set, in bypass, is disposed with Mini-adjustable valve 9, refrigeratory 10, micro-flowmeter 11, online conductivity table 12, online pH table 13, online dissolved oxygen meter 14 and mixed bed 15.
Principle of work of the present utility model is: after generator corrosion of copper winding bar speed galvanochemistry on-line monitoring system is connected with electric generator inner cooling water system, opening stop valve 2, regulate variable valve 4, making the flow that flowmeter 5 shows is design discharge, ensures that in electrochemical measurement sensor 7, working electrode has identical surface line flow velocity with generator copper cash rod.Copper corrosion lacing film is installed in corrosion monitoring pipe 6, can be used in and observe copper corrosion pattern, also can be used for weight-loss method and measure corrosion of copper winding bar speed.Regulate Mini-adjustable valve 9, the flow that micro-flowmeter 11 is shown meets the traffic requirement of online conductivity table 12, online pH table 13, online dissolved oxygen meter 14, as 6L/h.By electrochemical measurement sensor 7 and electrochemical measurement instrument 8, corrosion of copper winding bar speed under on-line monitoring electric generator inner cooling water operating condition, according to corrosion of copper winding bar speed on-line monitoring result, realizes the effect assessment to existing inner cold water treatment process.Adjust inner cold water operating condition as adjusted pH value, the dissolved oxygen content of inner cold water or changing inner cold water processing mode, corrosion of copper winding bar speed record on-line chemical monitoring instrument water quality monitoring result under the different inner cold water operating conditions of on-line monitoring or inner cold water processing mode, realizes inner cold water operating condition or the optimization of inner cold water processing mode.
Claims (1)
1. a generator corrosion of copper winding bar speed galvanochemistry on-line monitoring system, it is characterized in that: described monitoring system is connected with electric generator inner cooling water system by flange (1), stop valve (2) and pipeline (3), on pipeline (3), be disposed with variable valve (4), flowmeter (5), electrochemical measurement sensor (7) and corrosion monitoring pipe (6), electrochemical measurement sensor (7) is connected with electrochemical measurement instrument (8); Between the upper flowmeter (5) of pipeline (3) and electrochemical measurement sensor (7), bypass is also set, in bypass, is disposed with Mini-adjustable valve (9), refrigeratory (10), micro-flowmeter (11), online conductivity table (12), online pH table (13), online dissolved oxygen meter (14) and mixed bed (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198528.XU CN203811572U (en) | 2014-04-21 | 2014-04-21 | Online corrosion rate electrochemical monitor system for copper wire bar of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420198528.XU CN203811572U (en) | 2014-04-21 | 2014-04-21 | Online corrosion rate electrochemical monitor system for copper wire bar of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203811572U true CN203811572U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420198528.XU Expired - Fee Related CN203811572U (en) | 2014-04-21 | 2014-04-21 | Online corrosion rate electrochemical monitor system for copper wire bar of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203811572U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884263A (en) * | 2019-03-28 | 2019-06-14 | 江苏核电有限公司 | A kind of dissolved oxygen sensor experimental rig and its test method |
| CN110927052A (en) * | 2019-11-28 | 2020-03-27 | 武汉大学 | Dynamic coupon test method for red copper |
| CN112798644A (en) * | 2020-12-28 | 2021-05-14 | 武汉大学 | Film thermal resistance measuring system and method for evaluating corrosion degree and pickling and passivation effects of hollow copper conductor of generator |
-
2014
- 2014-04-21 CN CN201420198528.XU patent/CN203811572U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884263A (en) * | 2019-03-28 | 2019-06-14 | 江苏核电有限公司 | A kind of dissolved oxygen sensor experimental rig and its test method |
| CN109884263B (en) * | 2019-03-28 | 2023-12-15 | 江苏核电有限公司 | Dissolved oxygen sensor test device and test method thereof |
| CN110927052A (en) * | 2019-11-28 | 2020-03-27 | 武汉大学 | Dynamic coupon test method for red copper |
| CN112798644A (en) * | 2020-12-28 | 2021-05-14 | 武汉大学 | Film thermal resistance measuring system and method for evaluating corrosion degree and pickling and passivation effects of hollow copper conductor of generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20170421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |