CN221124519U - Chemical instrument on-line inspection device - Google Patents
Chemical instrument on-line inspection device Download PDFInfo
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- CN221124519U CN221124519U CN202323217486.8U CN202323217486U CN221124519U CN 221124519 U CN221124519 U CN 221124519U CN 202323217486 U CN202323217486 U CN 202323217486U CN 221124519 U CN221124519 U CN 221124519U
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- meter
- electromagnetic valve
- way electromagnetic
- standard solution
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- 239000000126 substance Substances 0.000 title claims abstract description 13
- 238000007689 inspection Methods 0.000 title claims description 24
- 239000012086 standard solution Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 17
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 229910001415 sodium ion Inorganic materials 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052710 silicon Inorganic materials 0.000 abstract description 12
- 239000010703 silicon Substances 0.000 abstract description 12
- 229910052708 sodium Inorganic materials 0.000 abstract description 12
- 239000011734 sodium Substances 0.000 abstract description 12
- 238000012360 testing method Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides an on-line testing device for a chemical instrument, which relates to the field of instrument testing and calibration, and comprises the following components: the device provided by the utility model can regulate the opening of the electromagnetic regulating valve according to the requirements of different meters on flow, discharge redundant water samples, enable the flow of the water samples to meet the test requirements, and when the on-line sodium meter and the on-line silicon meter are tested, the peristaltic pump is used for adding the standard solution into the water samples, and the concentration of the diluted standard solution is calculated through the ratio of the flow of the peristaltic pump to the flow of the water samples, so that the whole test process is free from pollution and interference, the accuracy of the test result is ensured, the whole test process is free from manual intervention, and the operation is convenient and the test result is accurate.
Description
Technical Field
The utility model relates to the field of instrument inspection and calibration, in particular to an on-line inspection device for a chemical instrument.
Background
The chemical supervision of the steam system of the thermal power plant mainly depends on an online chemical instrument, and in order to ensure the measurement accuracy of the online chemical instrument, a worker usually uses a portable instrument to test the online chemical instrument. However, the portable instrument has low integration level and single checking function, and the on-line sodium meter and the on-line silicon meter can be checked only by using standard solution.
Therefore, when workers carry out on-line chemical meter inspection work, standard solutions of an on-line sodium meter and an on-line silicon meter are required to be configured in advance, the standard solutions are manually poured into a measuring tank for inspection, and when a portable meter is used for inspecting an on-line conductivity meter, an on-line hydrogen conductivity meter, an on-line pH meter and an on-line dissolved oxygen meter, the meters are required to be replaced frequently, waterways are switched, water sample flow is regulated, and a great deal of time is required.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems in the related art to some extent.
Therefore, to the above-mentioned problem, a simple structure, work flow is simple, easy chemical instrument on-line measuring device who establishes has been proposed, includes: an electronic flowmeter (1), a first three-way electromagnetic valve (2), a second three-way electromagnetic valve (3), a third three-way electromagnetic valve (4), a fourth three-way electromagnetic valve (5), an electromagnetic regulating valve (6), a dissolved oxygen meter (7), a PH meter (8), a conductivity meter (9), a hydrogen conductivity meter (10), a mixer (11), a peristaltic pump (12) and a standard solution bottle (13),
The inlet end of the electronic flowmeter (1) is connected with the first outlet end of the online water sample, and the inlet end of the electromagnetic regulating valve (6) is connected with the second outlet end of the online water sample;
The first outlet end of the first three-way electromagnetic valve (2) is connected with the inlet end of the second three-way electromagnetic valve (3), the first outlet end of the second three-way electromagnetic valve (3) is connected with the inlet end of the third three-way electromagnetic valve (4), and the first outlet end of the third three-way electromagnetic valve (4) is connected with the inlet end of the fourth three-way electromagnetic valve (5);
The second outlet end of first three way solenoid valve (2) is connected the entry end of dissolved oxygen table (7), the second outlet end of second three way solenoid valve (3) is connected the entry end of conductivity table (9), the exit end of conductivity table (9) is connected the entry end of PH table (8), the second outlet end of third three way solenoid valve (4) is connected the exit end of hydrogen conductivity table (10), the second outlet end of fourth three way solenoid valve (5) is connected respectively the entry end of blender (11) with the exit end of peristaltic pump (12), the entry end of peristaltic pump (12) is connected standard solution bottle (13).
Optionally, a standard solution is filled in the standard solution bottle (13), and the standard solution is a sodium ion standard solution or a silicon dioxide standard solution.
The technical scheme provided by the embodiment of the utility model at least has the following beneficial effects:
For the inspection of an online conductivity meter, an online hydrogen conductivity meter, an online pH meter and an online dissolved oxygen meter, the opening degree of an electromagnetic regulating valve can be regulated according to the flow requirements of different meters, and redundant water samples are discharged, so that the water sample flow meets the inspection requirements. And when the on-line sodium meter and the on-line silicon meter are tested, the peristaltic pump is used for adding the standard solution into the water sample, and the concentration of the diluted standard solution is calculated through the ratio of the flow of the peristaltic pump to the flow of the water sample, so that the whole test process is free from pollution and interference, and the accuracy of the test result is ensured. The method is used for carrying out on-line inspection on the on-line conductivity meter, the on-line hydrogen conductivity meter, the on-line pH meter, the on-line dissolved oxygen meter, the on-line sodium meter and the on-line silicon meter, the whole inspection process does not need manual intervention, the inspection method meets the standard requirements of the electric power industry, the operation is convenient, and the inspection result is accurate.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic diagram of an on-line chemical meter inspection apparatus according to an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1, the device comprises an electronic flowmeter (1), a first three-way electromagnetic valve (2), a second three-way electromagnetic valve (3), a third three-way electromagnetic valve (4), a fourth three-way electromagnetic valve (5), an electromagnetic regulating valve (6), a dissolved oxygen meter (7), a PH meter (8), a conductivity meter (9), a hydrogen conductivity meter (10), a mixer (11), a peristaltic pump (12) and a standard solution bottle (13).
As shown in fig. 1, the connection relationship of each component is: the inlet end of the electronic flowmeter (1) is connected with the first outlet end of the online water sample, and the inlet end of the electromagnetic regulating valve (6) is connected with the second outlet end of the online water sample; the first outlet end of the first three-way electromagnetic valve (2) is connected with the inlet end of the second three-way electromagnetic valve (3), the first outlet end of the second three-way electromagnetic valve (3) is connected with the inlet end of the third three-way electromagnetic valve (4), and the first outlet end of the third three-way electromagnetic valve (4) is connected with the inlet end of the fourth three-way electromagnetic valve (5); the second outlet end of the first three-way electromagnetic valve (2) is connected with the inlet end of the dissolved oxygen meter (7), the second outlet end of the second three-way electromagnetic valve (3) is connected with the inlet end of the electric conductivity meter (9), the outlet end of the electric conductivity meter (9) is connected with the inlet end of the PH meter (8), the second outlet end of the third three-way electromagnetic valve (4) is connected with the outlet end of the hydrogen electric conductivity meter (10), the second outlet end of the fourth three-way electromagnetic valve (5) is respectively connected with the inlet end of the mixer (11) and the outlet end of the peristaltic pump (12), and the inlet end of the peristaltic pump (12) is connected with the standard solution bottle (13).
It is understood that the standard solution bottle (13) is filled with standard solution, and the standard solution is sodium ion standard solution or silicon dioxide standard solution, so that the on-line sodium meter and the on-line silicon meter can be tested.
In the utility model, an electronic flowmeter (1), a first three-way electromagnetic valve (2), a second three-way electromagnetic valve (3), a third three-way electromagnetic valve (4), a fourth three-way electromagnetic valve (5), an electromagnetic regulating valve (6) and a peristaltic pump (12) are connected into a controller so as to control the opening and closing of each electromagnetic valve and detect the inlet flow of the electronic flowmeter (1), thereby carrying out on-line inspection on an on-line conductivity meter, an on-line hydrogen conductivity meter, an on-line pH meter, an on-line dissolved oxygen meter, an on-line sodium meter and an on-line silicon meter.
And when in inspection, the opening degree of the electromagnetic regulating valve (6) can be regulated according to the flow requirements of different instruments, and the redundant water sample is discharged, so that the water sample flow meets the inspection requirements.
Specifically, the control logic of the chemical instrument on-line inspection device provided by the utility model is as follows:
1) When the on-line dissolved oxygen meter is checked, a first outlet of the first three-way electromagnetic valve (2) is closed, a second outlet of the first three-way electromagnetic valve (2) is opened, an electromagnetic regulating valve (6) is opened, and a water sample is introduced to enable the maximum flow measured by the electronic flowmeter (1) to be not more than 10L/h.
2) When the online PH meter and the online hydrogen conductivity meter are checked, the first outlet of the second three-way electromagnetic valve (3) is closed, the second outlet of the second three-way electromagnetic valve (3) is opened, the electromagnetic regulating valve (6) is opened, and a water sample is introduced to ensure that the maximum flow measured by the electronic flowmeter (1) is not more than 6L/h.
3) When the electric conductivity meter is checked, the first outlet of the third three-way electromagnetic valve (4) is closed, the second outlet of the third three-way electromagnetic valve (4) is opened, the electromagnetic regulating valve (6) is opened, and a water sample is introduced to ensure that the maximum flow measured by the electronic flowmeter (1) is not more than 20L/h.
4) When the on-line sodium meter and the on-line silicon meter are checked, a first outlet of the fourth three-way electromagnetic valve (2) is closed, a second outlet of the first three-way electromagnetic valve (2) is opened, an electromagnetic regulating valve (6) is opened, a water sample is introduced to enable the maximum flow measured by the electronic flowmeter (1) to be not more than 20L/h, and if the maximum flow measured by the electronic flowmeter (1) is h 1 at the moment.
Then, the peristaltic pump (12) is started, at the moment, the flow rate measured by the electronic flowmeter (1) is h 2, and the standard solution concentration of the standard solution bottle (13) is u 1, and the calculation method of the water sample standard solution concentration u 2 entering the online sodium meter and the online silicon meter is as follows: u 2＝h2×u1/h1 so that on-line sodium and silicon tables can be checked.
According to the utility model, for the inspection of the online conductivity meter, the online hydrogen conductivity meter, the online pH meter and the online dissolved oxygen meter, the opening degree of the electromagnetic regulating valve can be regulated according to the flow requirements of different meters, and the redundant water sample is discharged, so that the water sample flow meets the inspection requirements. And when the on-line sodium meter and the on-line silicon meter are tested, the peristaltic pump is used for adding the standard solution into the water sample, and the concentration of the diluted standard solution is calculated through the ratio of the flow of the peristaltic pump to the flow of the water sample, so that the whole test process is free from pollution and interference, and the accuracy of the test result is ensured. The method is used for carrying out on-line inspection on the on-line conductivity meter, the on-line hydrogen conductivity meter, the on-line pH meter, the on-line dissolved oxygen meter, the on-line sodium meter and the on-line silicon meter, the whole inspection process does not need manual intervention, the inspection method meets the standard requirements of the electric power industry, the operation is convenient, and the inspection result is accurate.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (2)
1. An on-line chemical meter inspection apparatus comprising: an electronic flowmeter (1), a first three-way electromagnetic valve (2), a second three-way electromagnetic valve (3), a third three-way electromagnetic valve (4), a fourth three-way electromagnetic valve (5), an electromagnetic regulating valve (6), a dissolved oxygen meter (7), a PH meter (8), a conductivity meter (9), a hydrogen conductivity meter (10), a mixer (11), a peristaltic pump (12) and a standard solution bottle (13),
The inlet end of the electronic flowmeter (1) is connected with the first outlet end of the online water sample, and the inlet end of the electromagnetic regulating valve (6) is connected with the second outlet end of the online water sample;
The first outlet end of the first three-way electromagnetic valve (2) is connected with the inlet end of the second three-way electromagnetic valve (3), the first outlet end of the second three-way electromagnetic valve (3) is connected with the inlet end of the third three-way electromagnetic valve (4), and the first outlet end of the third three-way electromagnetic valve (4) is connected with the inlet end of the fourth three-way electromagnetic valve (5);
The second outlet end of first three way solenoid valve (2) is connected the entry end of dissolved oxygen table (7), the second outlet end of second three way solenoid valve (3) is connected the entry end of conductivity table (9), the exit end of conductivity table (9) is connected the entry end of PH table (8), the second outlet end of third three way solenoid valve (4) is connected the exit end of hydrogen conductivity table (10), the second outlet end of fourth three way solenoid valve (5) is connected respectively the entry end of blender (11) with the exit end of peristaltic pump (12), the entry end of peristaltic pump (12) is connected standard solution bottle (13).
2. The device according to claim 1, wherein the standard solution bottle (13) is filled with a standard solution, which is a sodium ion standard solution or a silica standard solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323217486.8U CN221124519U (en) | 2023-11-27 | 2023-11-27 | Chemical instrument on-line inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323217486.8U CN221124519U (en) | 2023-11-27 | 2023-11-27 | Chemical instrument on-line inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221124519U true CN221124519U (en) | 2024-06-11 |
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ID=91372470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323217486.8U Active CN221124519U (en) | 2023-11-27 | 2023-11-27 | Chemical instrument on-line inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221124519U (en) |
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2023
- 2023-11-27 CN CN202323217486.8U patent/CN221124519U/en active Active
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| GR01 | Patent grant |