CN218331334U - Automatic switching system of hydrogen exchange column for hydrogen conductivity measurement - Google Patents
Automatic switching system of hydrogen exchange column for hydrogen conductivity measurement Download PDFInfo
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- CN218331334U CN218331334U CN202222351585.4U CN202222351585U CN218331334U CN 218331334 U CN218331334 U CN 218331334U CN 202222351585 U CN202222351585 U CN 202222351585U CN 218331334 U CN218331334 U CN 218331334U
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- exchange resin
- cation exchange
- way valve
- hydrogen
- hydrogen conductivity
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Abstract
The utility model provides an automatic switching system of hydrogen exchange column when being used for hydrogen conductivity to measure belongs to ion detection, analysis technical field, and it is including wrapping first three-way valve, first cation exchange resin post, second three-way valve and hydrogen conductivity table, first cation exchange resin post and second cation exchange resin post all with first three-way valve intercommunication, first cation exchange resin post and second cation exchange resin post all with second three-way valve intercommunication, second three-way valve and hydrogen conductivity table intercommunication. The utility model discloses can ensure when changing the cation exchange resin that became invalid, the system can normally work, also can guarantee measured data's accuracy simultaneously.
Description
Technical Field
The utility model belongs to the technical field of ion detection, analysis, relate to the analytical instrument technique, specifically be the automatic switching system who is used for hydrogen exchange column when hydrogen conductivity measures.
Background
The hydrogen conductivity index is an important index for reflecting the content of corrosive anions in water of a power station, and the total amount of the anions in water can be indirectly reflected by measuring the conductivity by converting cations in a water sample into hydrogen ions. Generally, a hydrogen conductivity meter is attached to a cation exchange resin column, the cation exchange resin column is filled with a cation exchange resin to complete pretreatment of hydrogen conductivity, and then anion conductivity measurement is performed on the treated water, thereby obtaining hydrogen conductivity in water. However, this approach has two drawbacks:
1. firstly, the cation exchange resin in the cation exchange resin column can lose efficacy after being used for a period of time, the staff need regenerate the resin after losing efficacy, and the hydrogen conductivity meter is in the interrupt state in the process of regenerating the resin, and can not measure data.
2. Measurement data is generally larger after the cation exchange resin is invalid, and at the moment, if the anion content in the water sample is displayed to be overproof, misjudgment can be caused to field workers.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic switching system of hydrogen exchange post when being used for hydrogen conductivity measurement to the above-mentioned cation exchange resin back that loses efficacy, the unable measured data of regenerated process, continue to use and can lead to the problem that measured anion content exceeds standard.
The utility model has the advantages that by arranging two cation exchange resin columns at the same time, after the cation exchange resin on one cation exchange resin column fails, the system can be ensured to work normally by switching to the other cation exchange resin column when the failed cation exchange resin is replaced, and meanwhile, the accuracy of the measured data can also be ensured; the specific technical scheme is as follows:
the automatic switching system for the hydrogen exchange columns during hydrogen conductivity measurement comprises a first three-way valve, a first cation exchange resin column, a second three-way valve and a hydrogen conductivity meter, wherein the first cation exchange resin column and the second cation exchange resin column are communicated with the first three-way valve, the first cation exchange resin column and the second cation exchange resin column are communicated with the second three-way valve, and the second three-way valve is communicated with the hydrogen conductivity meter.
Further, the hydrogen conductivity meter is provided with a hydrogen conductivity electrode, and the hydrogen conductivity meter is connected with the second three-way valve through the hydrogen conductivity electrode.
Further, the automatic switching system for the hydrogen exchange column during hydrogen conductivity measurement further comprises an automatic switching control unit, the first three-way valve and the second three-way valve are electrically connected with the automatic switching control unit, and the automatic switching control unit is electrically connected with the hydrogen conductivity meter.
It is further defined that the automatic switching system for hydrogen exchange column in hydrogen conductivity measurement further comprises a flow meter, wherein the flow meter is communicated with the first three-way valve.
Further defined, the first three-way valve is a first electronic three-way valve; the second three-way valve is a second electronic three-way valve.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses an automatic switching system of hydrogen exchange column when being used for hydrogen conductivity to measure, it includes first three-way valve, first cation exchange resin column, second three-way valve and hydrogen conductivity table, in the use, if first three-way valve and second three-way valve all communicate with first cation exchange resin column, first cation exchange resin column is in operating condition, and at this moment, second cation exchange resin column is in standby state; when the cation exchange resin in the first cation exchange resin column fails, the first three-way valve and the second three-way valve can be switched, so that the first three-way valve and the second three-way valve are both communicated with the second cation exchange resin column, the second cation exchange resin column is in a working state, the cation exchange resin in the first cation exchange resin column is replaced, and the first cation exchange resin column is in a standby state after the replacement is finished; the utility model discloses can ensure when changing the cation exchange resin that became invalid, the system can normally work, also can guarantee measured data's accuracy simultaneously. Compared with the prior single cation exchange resin column, the utility model has the advantages of no need of replacing the whole hydrogen conductivity measurement system when in use, strong practicability and easy popularization and application.
2. The hydrogen conductivity meter is provided with a hydrogen conductivity electrode, the conductivity index in the water quality is detected through the hydrogen conductivity electrode, the detected conductivity index is transmitted to the hydrogen conductivity meter, and the hydrogen conductivity meter is used for analyzing and displaying.
3. The utility model discloses an automatic switching system for hydrogen exchange column when hydrogen conductivity is measured includes the automatic switch-over control unit, and the automatic switch-over control unit controls first three-way valve and the action of second three-way valve according to the hydrogen conductivity value that the hydrogen conductivity meter gathered. The first cation exchange resin column is taken as an example in the working state: when the system detects that the hydrogen conductivity is increased to 1.5 times of the upper limit of the control index of the measuring point, the system controls the first three-way valve and the second three-way valve to act, the flow path is switched to the state that the second cation exchange resin column is in a working state, the first cation exchange resin column is in a standby state, and if the hydrogen conductivity monitoring data is recovered to the normal range of the measuring point after 10 minutes, the hydrogen conductivity is increased because the cation exchange resin of the first cation exchange resin column fails, the working state of the second cation exchange resin column is maintained, and a prompt that the first cation exchange resin column fails and needs to be replaced and regenerated in time is sent; when the system is switched to the second cation exchange resin column to work for 10 minutes, if the hydrogen conductivity monitoring data still exceeds a value which is 1.5 times of the upper limit of the control index of the measuring point, the fact that the hydrogen conductivity is increased because the content of anions in the water sample is increased to cause that the hydrogen conductivity exceeds the standard can be judged, and at the moment, the first three-way valve and the second three-way valve are controlled to work to switch the water sample to the first cation exchange resin column to work continuously. The whole processing flow finally realizes that the automatic switching control unit analyzes the working states of the first cation exchange resin column and the second cation exchange resin column in real time according to the data of the hydrogen conductivity meter, judges to switch the first three-way valve and the second three-way valve timely according to a certain logic rule, and gives a prompt whether the first cation exchange resin column and the second cation exchange resin column are invalid or not to a worker timely. The automatic switching system ensures that the automatic cation exchange resin column device has high automation degree, can analyze and judge the working states of the first cation exchange resin column and the second cation exchange resin column on site in real time, and prompts workers to timely prompt the resins in the first cation exchange resin column and the second cation exchange resin column; greatly shortens the time for interrupting the measurement of the hydrogen conductivity due to the failure of the cation exchange resin, improves the continuity of the hydrogen conductivity measurement, and avoids chemical supervision accidents caused by the standard exceeding of anions in the instrument maintenance process.
4. The utility model discloses an automatic switching system for hydrogen exchange column when hydrogen conductivity is measured still includes the flowmeter, conveniently adjusts the size of water sample flow through the flowmeter.
Drawings
FIG. 1 is a schematic diagram of an automatic switching system of a hydrogen exchange column for hydrogen conductivity measurement according to the present invention;
the system comprises a flow meter 1, a first electronic three-way valve 2, a first cation exchange resin column 3, a second cation exchange resin column 4, a second electronic three-way valve 5, a hydrogen conductivity electrode 6, a hydrogen conductivity meter 7 and an automatic switching control unit 8.
Detailed Description
The technical solution of the present invention is further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
Example 1
Referring to fig. 1, the automatic switching system for a hydrogen exchange column in hydrogen conductivity measurement according to the present embodiment includes a first three-way valve, a first cation exchange resin column 3, a second cation exchange resin column 4, a second three-way valve, and a hydrogen conductivity meter 7, where the first cation exchange resin column 3 and the second cation exchange resin column 4 are both communicated with the first three-way valve, the first cation exchange resin column 3 and the second cation exchange resin column 4 are both communicated with the second three-way valve, and the second three-way valve is communicated with the hydrogen conductivity meter 7. Specifically, the outlet end of the first three-way valve is communicated with the inlet end of the first cation exchange resin column 3 or the inlet end of the second cation exchange resin column 4, the outlet end of the first cation exchange resin column 3 or the outlet end of the second cation exchange resin column 4 is communicated with the inlet end of the second three-way valve, and the outlet end of the second three-way valve is communicated with the detection end of the hydrogen conductivity electrode 6.
Preferably, the first three-way valve is a first electronic three-way valve 2; the second three-way valve is a second electronic three-way valve 5, and the first electronic three-way valve 2 and the second electronic three-way valve 5 are both electrically connected with a hydrogen conductivity meter 7.
The hydrogen conductivity meter 7 is provided with a hydrogen conductivity electrode 6, and the hydrogen conductivity meter 7 is connected to a second three-way valve via the hydrogen conductivity electrode 6.
Preferably, the automatic switching system for hydrogen exchange columns in hydrogen conductivity measurement of the present embodiment further includes a flow meter 1, and the flow meter 1 is communicated with the first three-way valve.
The embodiment is used for the automatic switching system of the hydrogen exchange column during hydrogen conductivity measurement, and the using method comprises the following steps: if the first three-way valve and the second three-way valve are both communicated with the first cation exchange resin column 3, the first cation exchange resin column 3 is in a working state, and at the moment, the second cation exchange resin column 4 is in a standby state; when the cation exchange resin in the first cation exchange resin column 3 fails, the first three-way valve and the second three-way valve can be switched, so that the first three-way valve and the second three-way valve are both communicated with the second cation exchange resin column 4, the second cation exchange resin column 4 is in a working state, the cation exchange resin in the first cation exchange resin column 3 is replaced, and the first cation exchange resin column 3 is in a standby state after being replaced; the utility model discloses can ensure when changing the cation exchange resin that became invalid, the system can normally work, also can guarantee measured data's accuracy simultaneously. Compared with the prior single cation exchange resin column, the utility model has the advantages of no need of replacing the whole hydrogen conductivity measurement system when in use, strong practicability and easy popularization and application.
Example 2
The embodiment is an automatic switching system for a hydrogen exchange column during hydrogen conductivity measurement, and the automatic switching system further includes an automatic switching control unit 8 on the basis of embodiment 1, wherein the first three-way valve and the second three-way valve are both electrically connected to the automatic switching control unit 8, the automatic switching control unit 8 is electrically connected to the hydrogen conductivity meter 7, and the automatic switching control unit 8 is a PLC automatic switching control unit.
The embodiment is used for the automatic switching system of the hydrogen exchange column during hydrogen conductivity measurement, and the using method comprises the following steps: the automatic switching control unit 8 controls the first three-way valve and the second three-way valve to act according to the hydrogen conductivity value collected by the hydrogen conductivity meter 7. The first cation exchange resin column 3 is explained as an example in the operating state: when the system detects that the hydrogen conductivity is increased to 1.5 times of the upper limit of the control index of the measuring point, the system controls the first three-way valve and the second three-way valve to act, the flow path is switched to the state that the second cation exchange resin column 4 is in a working state, the first cation exchange resin column 3 is in a standby state, and if the hydrogen conductivity monitoring data is restored to the normal range of the measuring point after 10 minutes, the hydrogen conductivity is increased because the cation exchange resin of the first cation exchange resin column 3 fails, the working state of the second cation exchange resin column 4 is maintained, and a prompt that the first cation exchange resin column 3 fails and needs to be replaced and regenerated in time is sent; when the system is switched to the second cation exchange resin column 4 to work for 10 minutes, if the hydrogen conductivity monitoring data still exceeds the value 1.5 times of the upper limit of the control index of the measuring point, the hydrogen conductivity rising can be judged to be caused by the rising of the anion content in the water sample, and the first three-way valve and the second three-way valve are controlled to work to switch the water sample to the first cation exchange resin column 3 to work continuously. The whole processing flow finally realizes that the automatic switching control unit 8 analyzes the working states of the first cation exchange resin column 3 and the second cation exchange resin column 4 in real time according to the data of the hydrogen conductivity meter 7, judges to switch the first three-way valve and the second three-way valve in due time according to a certain logic rule, and gives a prompt to a worker whether the first cation exchange resin column 3 and the second cation exchange resin column 4 are failed or not in time. Make through automatic switching system the utility model discloses an degree of automation is high, can judge the operating condition of on-the-spot first cation exchange resin post 3 of real-time analysis and second cation exchange resin post 4, and the suggestion staff in time changes the cation exchange resin in first cation exchange resin post 3 or second cation exchange resin post 4.
The PLC automatic switching control unit in the application is a control unit for valve switching sold in the market and belongs to formula common knowledge in the field.
Claims (5)
1. The automatic switching system for the hydrogen exchange columns in hydrogen conductivity measurement is characterized by comprising a first three-way valve, a first cation exchange resin column (3), a second cation exchange resin column (4), a second three-way valve and a hydrogen conductivity meter (7), wherein the first cation exchange resin column (3) and the second cation exchange resin column (4) are communicated with the first three-way valve, the first cation exchange resin column (3) and the second cation exchange resin column (4) are communicated with the second three-way valve, and the second three-way valve is communicated with the hydrogen conductivity meter (7).
2. The automatic switching system for a hydrogen exchange column in hydrogen conductivity measurement according to claim 1, wherein a hydrogen conductivity electrode (6) is provided on the hydrogen conductivity meter (7), and the hydrogen conductivity meter (7) is connected to the second three-way valve through the hydrogen conductivity electrode (6).
3. The automatic switching system for a hydrogen exchange column for hydrogen conductivity measurement according to claim 2, wherein the automatic switching system for a hydrogen exchange column for hydrogen conductivity measurement further comprises an automatic switching control unit (8), the first three-way valve and the second three-way valve are both electrically connected to the automatic switching control unit (8), and the automatic switching control unit (8) is electrically connected to the hydrogen conductivity meter (7).
4. The automatic switching system for a hydrogen exchange column in the measurement of hydrogen conductivity according to claim 1, further comprising a flow meter (1), wherein the flow meter (1) is in communication with the first three-way valve.
5. The automatic switching system for a hydrogen exchange column in the measurement of hydrogen conductivity according to claim 1, 2 or 3, wherein the first three-way valve is a first electronic three-way valve (2); the second three-way valve is a second electronic three-way valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222351585.4U CN218331334U (en) | 2022-09-05 | 2022-09-05 | Automatic switching system of hydrogen exchange column for hydrogen conductivity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222351585.4U CN218331334U (en) | 2022-09-05 | 2022-09-05 | Automatic switching system of hydrogen exchange column for hydrogen conductivity measurement |
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| Publication Number | Publication Date |
|---|---|
| CN218331334U true CN218331334U (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222351585.4U Active CN218331334U (en) | 2022-09-05 | 2022-09-05 | Automatic switching system of hydrogen exchange column for hydrogen conductivity measurement |
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| Country | Link |
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| CN (1) | CN218331334U (en) |
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2022
- 2022-09-05 CN CN202222351585.4U patent/CN218331334U/en active Active
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