CN214374461U - Ion exchange resin column switching system for hydrogen conductivity measurement - Google Patents
Ion exchange resin column switching system for hydrogen conductivity measurement Download PDFInfo
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- CN214374461U CN214374461U CN202120236242.6U CN202120236242U CN214374461U CN 214374461 U CN214374461 U CN 214374461U CN 202120236242 U CN202120236242 U CN 202120236242U CN 214374461 U CN214374461 U CN 214374461U
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- exchange resin
- resin column
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Abstract
The utility model discloses an ion exchange resin column switching system for hydrogen conductivity measurement, which comprises a water inlet pipeline, a flow cell, a failure monitoring system, a control system, a first control valve group, a second control valve group, a plurality of cation exchange resin columns and a failure detector for detecting whether each cation exchange resin column fails or not; the water inlet pipeline is communicated with inlets of the cation exchange resin columns through a first control valve group, and outlets of the cation exchange resin columns are communicated with an inlet of the flow cell through a second control valve group; the input end of the failure monitoring system is connected with the output end of each failure detector, the output end of the failure monitoring system is connected with the input end of the control system, the output end of the control system is connected with the control end of the first control valve group and the control end of the second control valve group, and the system can realize automatic switching of the cation exchange resin columns.
Description
Technical Field
The utility model belongs to electricity generation technology water quality monitoring field relates to a hydrogen conductivity measurement is with ion exchange resin post switched systems.
Background
The hydrogen conductivity of the water vapor system reflects the total content of impurity anions of the water vapor system, harmful impurities in the water vapor system can be continuously monitored, the monitoring of the hydrogen conductivity is one of the main means for ensuring the safe and economic operation of the generator set, and the purpose of indirectly monitoring the corrosion condition of the thermodynamic equipment of the water vapor system can be achieved.
Currently, most power plants are mainly used as the standard for replacing the cation exchange resin by monitoring whether the measured value of the hydrogen conductivity exceeds a control value, and when the measured value of the hydrogen conductivity exceeds the control value, the cation exchange resin is considered to be invalid, and the regenerated resin is replaced. Such a judgment criterion has the following problems:
1) the increase in hydrogen conductivity is not only caused by the failure of the resin, but also caused by the deterioration of water quality, so that the judgment criterion has certain blindness.
2) When the water vapor quality is deteriorated, the measured value of the hydrogen conductivity can be increased and exceeds the control index, and the instrument maintainer replaces the resin by taking the measured value as the judgment basis of the resin failure, the replaced resin is not washed cleanly in a short time due to the release of the residual regenerated acid liquid, so that the hydrogen conductivity is higher, and the higher conductivity covers the real deterioration of the water quality and causes adverse effects on chemical supervision and control.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a hydrogen conductivity measurement is with ion exchange resin post switched systems, this system can accurately realize the automatic switch-over to cation exchange resin post.
In order to achieve the above object, the ion exchange resin column switching system for measuring hydrogen conductivity of the present invention comprises a water inlet pipeline, a flow cell, a failure monitoring system, a control system, a first control valve set, a second control valve set, a plurality of cation exchange resin columns, and a failure detector for detecting whether each cation exchange resin column is failed;
the water inlet pipeline is communicated with inlets of the cation exchange resin columns through a first control valve group, and outlets of the cation exchange resin columns are communicated with an inlet of the flow cell through a second control valve group;
the input end of the failure monitoring system is connected with the output end of each failure detector, the output end of the failure monitoring system is connected with the input end of the control system, and the output end of the control system is connected with the control end of the first control valve group and the control end of the second control valve group.
And a conductivity electrode is arranged in the flow cell, wherein the conductivity electrode is connected with a conductivity meter.
The number of cation exchange resin columns was two.
The first control valve group comprises a first three-way valve, the second control valve group comprises a second three-way valve, the water inlet pipeline is communicated with a first opening of the first three-way valve, a second opening of the first three-way valve is communicated with an inlet of the first cation exchange resin column, and a third opening of the first three-way valve is communicated with an inlet of the second cation exchange resin column;
a first opening of the second three-way valve is communicated with an inlet of the flow cell, a second opening of the second three-way valve is communicated with an outlet of the first cation exchange resin column, and a third opening of the second three-way valve is communicated with an outlet of the second cation exchange resin column;
the control end of the first three-way valve and the control end of the second three-way valve are respectively connected with the output end of the control system.
The failure detector is a combination of one or more of a color detector, a video image detector, and a pH detector.
The control system is also connected with an external regeneration system for regenerating the cation exchange resin column.
The intelligent control system also comprises a display screen, wherein the display screen is connected with the control system.
When the device works, the display screen displays whether the cation exchange resin column is invalid or not, and simultaneously displays the flowing direction of a water sample.
The utility model discloses following beneficial effect has:
hydrogen conductivity measurement is with ion exchange resin post switched systems when concrete operation, the monitored control system that became invalid detects each cation exchange resin post through the detector that becomes invalid whether became invalid, when arbitrary cation exchange resin post became invalid, then control system switches the water sample to the cation exchange resin post that does not become invalid through first valve unit and second valve unit to realize in time changing to the resin that becomes invalid, guarantee hydrogen conductivity's continuous accurate measurement, simultaneously the utility model discloses a detector that becomes invalid detects whether the cation exchange resin post became invalid, the accuracy of detection is higher.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is cation exchange resin column, 2 is failure detector, 3 is failure monitoring system, 4 is control system, 5 is flow cell, 6 is conductivity meter, 7 is first control valve group, 8 is second control valve group.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, the ion exchange resin column switching system for measuring hydrogen conductivity according to the present invention includes a water inlet pipeline, a flow cell 5, a failure monitoring system 3, a control system 4, a first control valve set 7, a second control valve set 8, a plurality of cation exchange resin columns 1, and a failure detector 2 for detecting whether each cation exchange resin column 1 is failed; the water inlet pipeline is communicated with the inlets of the cation exchange resin columns 1 through a first control valve group 7, and the outlets of the cation exchange resin columns 1 are communicated with the inlet of the flow cell 5 through a second control valve group 8; the input end of the failure monitoring system 3 is connected with the output end of each failure detector 2, the output end of the failure monitoring system 3 is connected with the input end of the control system 4, and the output end of the control system 4 is connected with the control end of the first control valve group 7 and the control end of the second control valve group 8.
And a conductivity electrode is arranged in the flow cell 5, wherein the conductivity electrode is connected with a conductivity meter 6, and the hydrogen conductivity is measured through the conductivity meter 6.
The number of the cation exchange resin columns 1 is two; the first control valve group 7 comprises a first three-way valve, the second control valve group 8 comprises a second three-way valve, wherein the water inlet pipeline is communicated with a first opening of the first three-way valve, a second opening of the first three-way valve is communicated with an inlet of the first cation exchange resin column 1, and a third opening of the first three-way valve is communicated with an inlet of the second cation exchange resin column 1; a first opening of the second three-way valve is communicated with an inlet of the flow cell 5, a second opening of the second three-way valve is communicated with an outlet of the first cation exchange resin column 1, and a third opening of the second three-way valve is communicated with an outlet of the second cation exchange resin column 1; the control end of the first three-way valve and the control end of the second three-way valve are respectively connected with the output end of the control system 4.
The failure detector 2 is a combination of one or more of a color detector, a video image detector, and a pH detector, and determines whether the cation exchange resin column 1 has failed by color, image, or pH.
The control system 4 is also connected with an external regeneration system for regenerating the cation exchange resin column 1, and the failed cation exchange resin column 1 can be regenerated by the external regeneration system.
The utility model discloses still include the display screen, wherein, the display screen is connected with control system 4, at the during operation, shows through the display screen whether cation exchange resin column 1 became invalid, shows the flow direction of water sample simultaneously, realizes the visual of detection, regeneration and control.
The utility model discloses a concrete working process does:
the failure monitoring system 3 detects whether each cation exchange resin column 1 fails through the failure detector 2, when any one cation exchange resin column 1 fails, the control system 4 switches the water sample to the cation exchange resin column 1 which does not fail through the first control valve bank 7 and the second control valve bank 8, wherein whether the cation exchange resin column 1 fails is displayed through the display screen, the flowing direction of the water sample is displayed simultaneously, and when the system works, a worker can also switch the first control valve bank 7 and the second control valve bank 8 manually, so that the switching of each cation exchange resin column 1 is realized.
For example, in operation, the number of the cation exchange resin columns 1 is two, and when the first cation exchange resin column 1 fails, the first control valve bank 7 and the second control valve bank 8 are switched to the second cation exchange resin column 1, so as to realize continuous treatment of water samples.
Claims (8)
1. An ion exchange resin column switching system for hydrogen conductivity measurement is characterized by comprising a water inlet pipeline, a flow cell (5), a failure monitoring system (3), a control system (4), a first control valve bank (7), a second control valve bank (8), a plurality of cation exchange resin columns (1) and a failure detector (2) for detecting whether each cation exchange resin column (1) fails or not;
the water inlet pipeline is communicated with the inlets of the cation exchange resin columns (1) through a first control valve group (7), and the outlets of the cation exchange resin columns (1) are communicated with the inlet of the flow cell (5) through a second control valve group (8);
the input end of the failure monitoring system (3) is connected with the output end of each failure detector (2), the output end of the failure monitoring system (3) is connected with the input end of the control system (4), and the output end of the control system (4) is connected with the control end of the first control valve group (7) and the control end of the second control valve group (8).
2. The ion exchange resin column switching system for hydrogen conductivity measurement according to claim 1, wherein a conductivity electrode is provided in the flow cell (5), wherein a conductivity meter (6) is connected to the conductivity electrode.
3. The ion exchange resin column switching system for hydrogen conductivity measurement according to claim 1, wherein the number of the cation exchange resin columns (1) is two.
4. The ion exchange resin column switching system for hydrogen conductivity measurement according to claim 1, wherein the first control valve group (7) comprises a first three-way valve, and the second control valve group (8) comprises a second three-way valve, wherein the water inlet pipe communicates with a first opening of the first three-way valve, a second opening of the first three-way valve communicates with an inlet of the first cation exchange resin column (1), and a third opening of the first three-way valve communicates with an inlet of the second cation exchange resin column (1);
a first opening of the second three-way valve is communicated with an inlet of the flow cell (5), a second opening of the second three-way valve is communicated with an outlet of the first cation exchange resin column (1), and a third opening of the second three-way valve is communicated with an outlet of the second cation exchange resin column (1);
the control end of the first three-way valve and the control end of the second three-way valve are respectively connected with the output end of the control system (4).
5. The ion exchange resin column switching system for hydrogen conductivity measurement according to claim 1, wherein the failure detector (2) is a combination of one or more of a color detector, a video image detector, and a pH detector.
6. The ion exchange resin column switching system for hydrogen conductivity measurement according to claim 1, wherein the control system (4) is further connected with an external regeneration system for regenerating the cation exchange resin column (1).
7. The ion exchange resin column switching system for hydrogen conductivity measurement according to claim 1, further comprising a display screen, wherein the display screen is connected to the control system (4).
8. The ion exchange resin column switching system for hydrogen conductivity measurement according to claim 7, wherein, in operation, it is displayed through a display screen whether the cation exchange resin column (1) is failed, and simultaneously the flow direction of the water sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120236242.6U CN214374461U (en) | 2021-01-27 | 2021-01-27 | Ion exchange resin column switching system for hydrogen conductivity measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120236242.6U CN214374461U (en) | 2021-01-27 | 2021-01-27 | Ion exchange resin column switching system for hydrogen conductivity measurement |
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| Publication Number | Publication Date |
|---|---|
| CN214374461U true CN214374461U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120236242.6U Active CN214374461U (en) | 2021-01-27 | 2021-01-27 | Ion exchange resin column switching system for hydrogen conductivity measurement |
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| Country | Link |
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| CN (1) | CN214374461U (en) |
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2021
- 2021-01-27 CN CN202120236242.6U patent/CN214374461U/en active Active
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