CN210604487U - Conductivity and hydrogen conductivity cooperative measurement system - Google Patents
Conductivity and hydrogen conductivity cooperative measurement system Download PDFInfo
- Publication number
- CN210604487U CN210604487U CN201921508452.5U CN201921508452U CN210604487U CN 210604487 U CN210604487 U CN 210604487U CN 201921508452 U CN201921508452 U CN 201921508452U CN 210604487 U CN210604487 U CN 210604487U
- Authority
- CN
- China
- Prior art keywords
- conductivity
- water sample
- cation exchanger
- conductivity meter
- regeneration
- 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.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The utility model discloses a conductivity and hydrogen conductivity cooperative measurement system, which comprises a first conductivity meter, a second conductivity meter, a data processor, a flow sensor for detecting the flow of a water sample and a continuous electric regeneration cation exchanger for removing cations in the water sample; an outlet of the flow sensor is communicated with an inlet of a first conductivity meter, an outlet of the first conductivity meter is communicated with an inlet of a continuous electric regeneration cation exchanger, an outlet of the continuous electric regeneration cation exchanger is communicated with an inlet of a second conductivity meter, and an outlet of the second conductivity meter is used for discharging a water sample; the signal output ends of the flow sensor and the first conductivity meter are connected with the signal input end of the data processor, the signal output end of the data processor is connected with the current control end of the continuous electric regeneration cation exchanger, and the regeneration current of the continuous electric regeneration cation exchanger changes in real time. The system can monitor the conductivity and the hydrogen conductivity of a water sample simultaneously, and realize the cooperative measurement of the conductivity and the hydrogen conductivity.
Description
Technical Field
The utility model belongs to the water quality testing field relates to a conductivity and hydrogen conductivity cooperative measurement system.
Background
The conductivity and the hydrogen conductivity are important indexes for monitoring water (steam) in a power plant, and generally, the conductivity and the hydrogen conductivity are respectively measured by using an online meter and two paths of water samples need to be provided.
However, in practical application, the ion exchange column is used for removing cations in hydrogen conductivity measurement, the resin needs to be replaced in time, the replaced resin is not regenerated completely or washed clean, and the released trace impurity ions can cause positive errors; the cation exchange resin can release low molecular polymer impurities, so that the background conductivity is increased, and the hydrogen conductivity measurement is inaccurate; the measuring device is bulky; replacement of the resin when it fails is cumbersome and time consuming, resulting in measurements that cannot be taken continuously. These problems lead to inaccurate hydrogen conductivity measurements and do not allow for continuous measurements in a true sense.
The continuous electrically regenerated cation exchanger is used to measure hydrogen conductivity, and if too large current and high energy consumption are used, the continuous electrically regenerated cation exchanger can be operated stably under certain flow rate or pH condition, such as H produced by regenerated water with too small current after water sample flow rate is increased or pH is raised+The requirements cannot be met, the resin failure and the regeneration cannot be balanced, the continuous electrical regeneration cation exchanger cannot stably operate and fails, and finally, the hydrogen conductivity cannot be measured.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a conductivity and hydrogen conductivity measurement system in coordination, this system can monitor the conductivity and the hydrogen conductivity of water sample simultaneously, realizes the cooperative measurement of conductivity and hydrogen conductivity.
In order to achieve the above object, the utility model discloses a conductivity and hydrogen conductivity cooperative measurement system includes first conductivity table, second conductivity table, data processor, a flow sensor for detecting the water sample flow and a continuous electrically regenerated cation exchanger for removing cations in the water sample; the outlet of the flow sensor is communicated with the inlet of the first conductivity meter, the outlet of the first conductivity meter is communicated with the inlet of the continuous electric regeneration cation exchanger, the outlet of the continuous electric regeneration cation exchanger is communicated with the inlet of the second conductivity meter, the outlet of the second conductivity meter is used for discharging water samples, the signal output ends of the flow sensor and the first conductivity meter are connected with the signal input end of the data processor, and the signal output end of the data processor is connected with the current control end of the continuous electric regeneration cation exchanger.
The data processor carries out analog operation according to the water sample flow output by the flow sensor and the water sample conductivity measured by the first conductivity meter, calculates the current required by electric regeneration according to the quadratic polynomial incidence relation of the regenerated current, the water sample conductivity and the water sample flow so as to adjust the regenerated current of the continuous electric regeneration cation exchanger, and further ensures the removal effect of the continuous electric regeneration cation exchanger on the cations in the water sample.
The regeneration current of the continuous electric regeneration cation exchanger changes in real time according to the flow and the conductivity of the water sample so as to ensure the effect of the continuous electric regeneration cation exchanger on removing the cations in the water sample.
The utility model discloses following beneficial effect has:
conductivity and hydrogen conductivity cooperative measurement system when concrete operation, the water sample passes through flow sensor and detects the flow, gets into again and measures the conductivity in the first conductivity table, then gets into and get rid of the cation in the water sample in the continuous electricity regeneration cation exchanger, discharges after the hydrogen conductivity of water sample is measured through the second conductivity table at last, realizes conductivity and hydrogen conductivity's cooperative measurement simultaneously through the water sample of the same kind, simple structure, convenient operation, the practicality is extremely strong. In addition, the data processor carries out simulation operation according to the water sample flow measured by the flow sensor and the water sample conductivity measured by the first conductivity meter, calculates the current required by electric regeneration according to the quadratic polynomial incidence relation of the regenerated current, the water sample conductivity and the water sample flow so as to adjust the regenerated current of the continuous electric regeneration cation exchanger, further ensures the removal effect of the continuous electric regeneration cation exchanger on cations in the water sample, and ensures the accuracy of the hydrogen conductivity of the detected water sample.
Further, unlike the conventional method of measuring hydrogen conductivity using an ion exchange resin column, the present invention is usefulNovel method for removing cations in water sample by using continuous electric regeneration cation exchanger and electrolyzing water in real time by using regenerated current to generate H+The cation exchange resin is regenerated to ensure the treatment effect of cations, meanwhile, the resin does not need to be replaced, and various interferences of the resin on the measurement of hydrogen conductivity are eliminated.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Wherein, 1 is a flow sensor, 2 is a first conductivity meter, 3 is a continuous electric regeneration cation exchanger, 4 is a second conductivity meter, and 5 is a data processor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the system for measuring the conductivity of water and hydrogen in cooperation comprises a first conductivity meter 2, a second conductivity meter 4, a data processor 5, a flow sensor 1 for detecting the flow of a water sample, and a continuously electrically regenerated cation exchanger 3 for removing cations in the water sample; the outlet of the flow sensor 1 is communicated with the inlet of the first conductivity meter 2, the outlet of the first conductivity meter 2 is communicated with the inlet of the continuous electric regeneration cation exchanger 3, the outlet of the continuous electric regeneration cation exchanger 3 is communicated with the inlet of the second conductivity meter 4, the outlet of the second conductivity meter 4 is used for discharging water samples, the signal output ends of the flow sensor 1 and the first conductivity meter 2 are connected with the signal input end of the data processor 5, and the signal output end of the data processor 5 is connected with the current control end of the continuous electric regeneration cation exchanger 3.
The data processor 5 performs simulation operation according to the water sample flow output by the flow sensor 1 and the water sample conductivity measured by the first conductivity meter 2, calculates the current required for electrical regeneration according to the quadratic polynomial incidence relation between the regeneration current and the water sample conductivity and the water sample flow to adjust the regeneration current of the continuous electrical regeneration cation exchanger 3, and then ensures the removal effect of the continuous electrical regeneration cation exchanger 3 on the cations in the water sample, wherein the regeneration current of the continuous electrical regeneration cation exchanger 3 changes in real time according to the flow and the conductivity of the water sample to ensure the removal effect of the continuous electrical regeneration cation exchanger 3 on the cations in the water sample.
The utility model discloses a concrete working process does:
a water sample enters a first conductivity meter 2 for conductivity detection after the flow of the water sample is detected by a flow sensor 1, the water sample output by the first conductivity meter 2 enters a continuous electric regeneration cation exchanger 3 for removing cations in the water sample, then the hydrogen conductivity of the water sample is measured by a second conductivity meter 4 for discharging, a data processor 5 calculates the current required for electric regeneration according to the flow of the water sample detected by the flow sensor 1 and the conductivity of the water sample detected by the first conductivity meter 2, then adjusts the regeneration current of the continuous electric regeneration cation exchanger 3 according to the calculated current required for electric regeneration so as to ensure the removal effect of the continuous electric regeneration cation exchanger 3 on the cations in the water sample, meanwhile, the first conductivity meter 2 displays the conductivity information of the water sample, and the second conductivity meter 4 displays the hydrogen conductivity information of the water sample.
The quadratic polynomial correlation relation of the regenerative current and the conductivity and the flow of the water sample is as follows:
I＝k1qκ+k2qκ2
wherein κ is the conductivity value of the water sample, I is the regeneration current of the continuous electric regeneration cation exchanger 3, q is the flow rate of the water sample, k1And k2Are all constants.
The utility model discloses a measure water sample all the way, can accomplish the function that the conductivity of original two tunnel water samples measured water respectively and hydrogen conductivity, adjust the regenerative current of continuous electric regeneration cation exchanger 3 through conductivity signal and discharge simultaneously to guarantee to the effect of getting rid of cation in the water sample, energy-concerving and environment-protective, stable performance, convenient operation.
The utility model discloses the well electric current condition is different, and the effect of getting rid of the positive ion in the water sample through continuous electricity regeneration cation exchanger 3 is different, NH in the power plant steam4 +The highest content, the utility model uses NH4 +Experiment investigation is carried out to examine the cation of the continuous electric regeneration cation exchanger 3 under different current conditionsThe specific test data of the removal rate are shown in Table 1.
TABLE 1
It can be seen that when the concentration of ammonium radicals in the water sample is 20000 mug/L, only the current reaches I1In the process, the removal rate of ammonium radicals in water can reach 100 percent (the hydrogen conductivity can be accurately measured only when the concentration of the ammonium radicals in water is less than 1 mu g/L), the hydrogen conductivity can be accurately measured, and the removal rate of the ammonium radicals in water can not meet the requirements under other current conditions. The concentration of ammonium radicals in a water sample is more than 20000 mug/L possibly and frequently happens when the combined cycle power station and the nuclear power station are started, so that the current is required to be larger; when the water quality control device is in normal operation, the concentration of ammonium radicals is small, the required current is small, if the water quality control device is always regenerated by using large current, the energy consumption is high, and the heat damage of the device is easy to occur, and the problems can be solved by adjusting the current according to the water quality.
The utility model discloses well water sample cation content is different, and the effect of getting rid of cation is different for continuous electric regeneration cation exchanger 3 under the constant current regulation. With different NH4 +The water sample with the content is tested to investigate the removal rate of the continuous electric regeneration cation exchanger 3 to cations, and specific test data are shown in table 2.
TABLE 2
Further, the ammonium concentration of the water sample is changed, for example, by using a constant current regeneration continuous electric regeneration cation exchanger 3, the higher the ammonium concentration is, the lower the ammonia removal rate is, and therefore, the current magnitude must be adjusted according to the water quality to solve the above problems.
The utility model discloses well water sample flow is different, and the effect of getting rid of cation is different for continuous electric regeneration cation exchanger 3 under the constant current regulation. At 10000. mu.g/L NH4 +The water sample with the content is tested, the removal rate of the continuous electric regeneration cation exchanger 3 to the cations under the conditions of different flow rates is investigated, and the concrete test is carried outThe experimental data are shown in Table 3.
TABLE 3
It is explained that the larger the flow rate of the water sample passing through the continuous electric regeneration cation exchanger 3 is, the poorer the effect of removing ammonium groups in the water is, and the flow rate is rapidly changed when the machine is stopped, so that the above problem must be solved by adjusting the current according to the flow rate.
The utility model discloses well regeneration of continuous electricity cation exchanger 3's regenerative current is real-time change, and regenerative current calculates through the flow signal of flow sensor 1 output and the conductivity signal of first conductivity table 2 output and reachs to guarantee the effect of getting rid of the aquatic cation and the accurate measurement of hydrogen conductivity under various conditions. The utility model discloses with the comparison of conventional hydrogen electricity guide pillar anion measuring result of water out table 4.
TABLE 4
As can be seen from table 4, the conventional cation exchange column used in the hydrogen conductivity measurement in the power plant is filled with a large amount of resin, and the effluent of pure water passing through the exchange column contains a small amount of formate, acetate and sulfate, which causes a certain deviation between the measurement result and the actual measurement value; continuous electric regeneration cation exchanger 3 in be filled with very little cation exchange resin, adjust the cation exchange resin that electric current regenerates wherein according to the change of quality of water and flow, its play water is the same with the anion content of intaking, the cation is whole to be converted into H at this process+No dissolution was measured in the effluent. Show that the electric regeneration cation exchanger of the utility model can effectively remove cations in water, and meanwhile, water can not be brought into dissolved substances.
The utility model discloses a conductivity and hydrogen conductivity measurement system in coordination adjusts the resin in the continuous electric regeneration cation exchanger 3 of current regeneration according to the change of quality of water and flow, and the measuring result sees table 5.
TABLE 5
Compared with the conventional detection method, the utility model, have following technical characterstic:
1) the continuous electric regeneration cation exchanger 3 is used for replacing a conventional exchange column for measuring the hydrogen conductivity, so that the accuracy of measuring the hydrogen conductivity is improved, the continuous measurement of the hydrogen conductivity is realized in a real sense, and the device is energy-saving and environment-friendly.
2) The continuous electric regeneration cation exchanger 3 can ensure that cations in water can be effectively removed without any dissolved substances, and the measuring flow range is wide.
3) The function of respectively measuring the conductivity and the hydrogen conductivity of the original two water samples can be completed by measuring one water sample, and the device is energy-saving, environment-friendly, stable in performance and convenient to operate.
4) The regeneration current of the continuous electric regeneration cation exchanger 3 can be adjusted in real time according to the water quality and the flow, so as to ensure the treatment effect and save energy and reduce consumption.
5) The utility model discloses a measurement system volume is less, easily installs, is suitable for the field usage, also can regard as portable table meter to use, has realized the cooperative measurement of conductivity and hydrogen conductivity.
Claims (3)
1. The cooperative measurement system for the conductivity and the hydrogen conductivity is characterized by comprising a first conductivity meter (2), a second conductivity meter (4), a data processor (5), a flow sensor (1) for detecting the flow of a water sample and a continuous electrically regenerated cation exchanger (3) for removing cations in the water sample; the outlet of the flow sensor (1) is communicated with the inlet of the first conductivity meter (2), the outlet of the first conductivity meter (2) is communicated with the inlet of the continuous electric regeneration cation exchanger (3), the outlet of the continuous electric regeneration cation exchanger (3) is communicated with the inlet of the second conductivity meter (4), the outlet of the second conductivity meter (4) is used for discharging a water sample, the signal output ends of the flow sensor (1) and the first conductivity meter (2) are connected with the signal input end of the data processor (5), and the signal output end of the data processor (5) is connected with the current control end of the continuous electric regeneration cation exchanger (3).
2. The cooperative measurement system for conductivity and hydrogen conductivity according to claim 1, wherein the data processor (5) performs simulation operation according to the water sample flow output by the flow sensor (1) and the water sample conductivity measured by the first conductivity meter (2), and calculates the current required for electrical regeneration according to the quadratic polynomial correlation relationship between the regeneration current and the water sample conductivity and the water sample flow, so as to adjust the regeneration current of the continuous electrically regenerated cation exchanger (3), thereby ensuring the removal effect of the continuous electrically regenerated cation exchanger (3) on cations in the water sample.
3. The cooperative measurement system for conductivity and hydrogen conductivity according to claim 1, wherein the regeneration current of the continuously electrically regenerated cation exchanger (3) is changed in real time according to the flow and conductivity of the water sample to ensure the effect of the continuously electrically regenerated cation exchanger (3) on removing cations in the water sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508452.5U CN210604487U (en) | 2019-09-10 | 2019-09-10 | Conductivity and hydrogen conductivity cooperative measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508452.5U CN210604487U (en) | 2019-09-10 | 2019-09-10 | Conductivity and hydrogen conductivity cooperative measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210604487U true CN210604487U (en) | 2020-05-22 |
Family
ID=70695079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921508452.5U Active CN210604487U (en) | 2019-09-10 | 2019-09-10 | Conductivity and hydrogen conductivity cooperative measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210604487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441353A (en) * | 2019-09-10 | 2019-11-12 | 西安热工研究院有限公司 | A kind of conductivity and hydrogen conductivity cooperative system and method |
| CN110487849A (en) * | 2019-09-10 | 2019-11-22 | 华能国际电力股份有限公司 | A kind of multi-parameter water quality measuring system and method |
-
2019
- 2019-09-10 CN CN201921508452.5U patent/CN210604487U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441353A (en) * | 2019-09-10 | 2019-11-12 | 西安热工研究院有限公司 | A kind of conductivity and hydrogen conductivity cooperative system and method |
| CN110487849A (en) * | 2019-09-10 | 2019-11-22 | 华能国际电力股份有限公司 | A kind of multi-parameter water quality measuring system and method |
| CN110441353B (en) * | 2019-09-10 | 2024-09-13 | 浙江西热利华智能传感技术有限公司 | Conductivity and hydrogen conductivity cooperative measurement system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110441353B (en) | Conductivity and hydrogen conductivity cooperative measurement system and method | |
| CN110487851B (en) | Measurement system and method for conductivity of degassed hydrogen | |
| CN210604487U (en) | Conductivity and hydrogen conductivity cooperative measurement system | |
| CN107024620A (en) | The measurement apparatus and measuring method of degassing hydrogen conductivity in a kind of Power Plant Water Vapor | |
| CN110487849A (en) | A kind of multi-parameter water quality measuring system and method | |
| CN110806428A (en) | Special pH measuring device for generator inner cooling water system and working method thereof | |
| CN203385688U (en) | Electric regeneration type hydrogen conductivity continuous measuring device | |
| CN102156152B (en) | Online detection method and device for total organic carbon of power plant water supply | |
| CN114839227A (en) | Power station water vapor multi-parameter cooperative measurement system and measurement method | |
| CN107024514A (en) | A kind of multi-channel intelligent type cation exchange system | |
| CN114002009A (en) | Multi-index online continuous detection method and system for water vapor quality of power plant | |
| CN211179618U (en) | Measuring system for electrical conductivity of degassed hydrogen | |
| US4814281A (en) | Differential conductivity sulfate monitor | |
| CN114910518A (en) | Method and system for detecting content of dissolved carbon dioxide in water vapor | |
| CN111257375A (en) | Device and method for testing temperature compensation coefficient of solution conductivity/solution hydrogen conductivity | |
| CN211206333U (en) | Degassing conductivity measurement system | |
| CN104888611A (en) | Integrity detecting device for hollow fiber membrane component | |
| CN216361791U (en) | Cation exchange resin failure characteristic curve measuring equipment | |
| CN110487850B (en) | Degassing conductivity measurement system and method | |
| CN211292685U (en) | Multi-parameter water quality measuring system | |
| CN102156151A (en) | Method and device for continuously determining electrical conductivity of electric regeneration type hydrogen | |
| CN207675751U (en) | A kind of mobile online multi-parameter water quality detection device | |
| WO2002014850A9 (en) | A process and device for continuous ionic monitoring of aqueous solutions | |
| CN115343536A (en) | Power station water vapor multi-parameter cooperative measurement system and method | |
| CN107561209A (en) | Sulfur hexafluoride gas acidity detection method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210224 Address after: 6 / F, block C, science and technology innovation center, 1 cangping Road, Haining warp knitting industrial park, Jiaxing, Zhejiang 314400 Patentee after: Zhejiang xire Lihua Intelligent Sensor Technology Co.,Ltd. Address before: 710032 No. 136 Xingqing Road, Beilin District, Xi'an City, Shaanxi Province Patentee before: Xi'an Thermal Power Research Institute Co.,Ltd. |
|
| TR01 | Transfer of patent right |