CN219715430U - Metering device for on-line monitoring instrument - Google Patents
Metering device for on-line monitoring instrument Download PDFInfo
- Publication number
- CN219715430U CN219715430U CN202320721226.5U CN202320721226U CN219715430U CN 219715430 U CN219715430 U CN 219715430U CN 202320721226 U CN202320721226 U CN 202320721226U CN 219715430 U CN219715430 U CN 219715430U
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- Prior art keywords
- metering
- valves
- valve group
- reaction tank
- tube
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 210000004907 gland Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000029087 digestion Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a metering device for an on-line monitoring instrument, which belongs to the technical field of water environment or water industry monitoring and comprises a digestion reaction tank, wherein a water sampling pipe is arranged at the side edge of the digestion reaction tank, a ten-way valve group is arranged in the water sampling pipe, a valve group No. 2 channel pipe is arranged in the ten-way valve group, an electromagnetic valve is arranged between the valve group No. 2 channel pipe and the digestion reaction tank, the electromagnetic valve is communicated with the valve group No. 2 channel pipe and the digestion reaction tank through pipelines, a peristaltic pump is arranged at the upper end of the ten-way valve group, and a reducing metering pipe which is in threaded sealing sleeve connection with the upper end of the ten-way valve group is arranged between the peristaltic pump and the ten-way valve group. The water sample detection device has the advantages that more complex water samples are detected, the liquid level detection accuracy is guaranteed, and the metering precision of the metering tube can be obviously improved.
Description
Technical Field
The utility model relates to the technical field of water environment or water industry monitoring, in particular to a metering device for an on-line monitoring instrument.
Background
The development of modern society is easy to pollute the water quality environment, which is closely related to our life. The online water quality monitor is indispensable to water environment monitoring, but is important to accurately monitor the water quality change of polluted water sources and surface water and to rely on the accuracy of the analysis result of metering precision.
The existing metering unit device is only suitable for use under simpler water quality environmental conditions such as purified water, organic solution, reagent with special color and the like. The device is used for ensuring the accuracy of data under the environment condition of complex water quality working conditions (such as the water quality of ink and the water quality with more granularity).
Most of the water quality on-line monitors are currently in a metering mode by a metering tube. In a complex water quality environment, the liquid amount cannot be accurately measured, and thus the measurement result is inaccurate.
Disclosure of Invention
The utility model mainly solves the defects existing in the prior art, provides the metering device for the on-line monitoring instrument, realizes the detection of more complex water samples, ensures the liquid level detection accuracy of the water samples, and can obviously improve the metering accuracy of the metering tube.
The technical problems of the utility model are mainly solved by the following technical proposal:
a metering device for on-line monitoring instrument, including clearing up the reaction tank, digestion reaction tank side be equipped with the water sampling tube, the water sampling tube in be equipped with ten valves, ten valves in be equipped with valves No. 2 passageway pipes, valves No. 2 passageway pipes and digestion reaction tank between be equipped with the solenoid valve, solenoid valve and valves No. 2 passageway pipes, digestion reaction tank be linked together, ten valves upper end be equipped with the peristaltic pump, peristaltic pump and ten valves between be equipped with ten valves upper end looks screw thread seal cup joint fixed reducing metering tube. Peristaltic pumps power the entire metering device.
Preferably, a metering frame sleeved with the lower part of the reducing metering pipe is arranged between the peristaltic pump and the ten-way valve group, a pair of high liquid level detectors positioned on two sides of the reducing metering pipe are arranged on the upper part of the metering frame, and a pair of low liquid level detectors positioned on two sides of the reducing metering pipe are arranged on the lower part of the metering frame.
Preferably, an upper joint which is in penetrating sleeving connection with the upper end of the metering frame is arranged between the upper end of the variable-diameter metering tube and the peristaltic pump, and the lower end of the upper joint is in threaded sealing sleeving connection with the variable-diameter metering tube.
Preferably, the upper end of the metering frame is provided with a gland nut which is in threaded sleeving connection with the upper joint.
Preferably, the metering frame is fixed with the water sample tube through screws.
The utility model can achieve the following effects:
compared with the prior art, the metering device for the on-line monitoring instrument provided by the utility model has the advantages that more complex water samples are detected, the liquid level detection accuracy is ensured, and the metering precision of the metering tube can be obviously improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: gland nut 1, peristaltic pump 2, upper portion connect 3, high liquid level detector 4, measurement frame 5, clear up reaction tank 6, solenoid valve 7, valves No. 2 passageway pipe 8, ten logical valves 9, water sample pipe 10, low liquid level detector 11, reducing measurement pipe 12.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Examples: as shown in fig. 1, a metering device for an on-line monitoring instrument comprises a digestion reaction tank 6, a water sampling pipe 10 is arranged on the side edge of the digestion reaction tank 6, a ten-way valve group 9 is arranged in the water sampling pipe 10, a valve group No. 2 channel pipe 8 is arranged in the ten-way valve group 9, an electromagnetic valve 7 is arranged between the valve group No. 2 channel pipe 8 and the digestion reaction tank 6, the electromagnetic valve 7 is communicated with the valve group No. 2 channel pipe 8 and the digestion reaction tank 6 through pipelines, a peristaltic pump 2 is arranged at the upper end of the ten-way valve group 9, and a reducing metering pipe 12 which is in threaded sealing sleeve connection with the upper end of the ten-way valve group 9 is arranged between the peristaltic pump 2 and the ten-way valve group 9. A metering frame 5 sleeved with the lower part of the variable-diameter metering tube 12 is arranged between the peristaltic pump 2 and the ten-way valve group 9, and the metering frame 5 and the water sampling tube 10 are fixed through screws. The upper part of the metering frame 5 is provided with a pair of high liquid level detectors 4 positioned at two sides of the reducing metering tube 12, and the lower part of the metering frame 5 is provided with a pair of low liquid level detectors 11 positioned at two sides of the reducing metering tube 12. An upper joint 3 which is in penetrating and sleeving connection with the upper end of the metering frame 5 is arranged between the upper end of the variable diameter metering tube 12 and the peristaltic pump 2, and the lower end of the upper joint 3 is in threaded sealing and sleeving connection with the variable diameter metering tube 12. The upper end of the metering frame 5 is provided with a gland nut 1 which is in threaded socket connection with the upper joint 3.
The working flow is as follows: when the peristaltic pump 2 is opened to supply power during liquid metering, the water sample pipe 10 of the ten-way valve group 9 can pump the water sample into the reducing metering pipe 12, and the required liquid volume is accurately quantified through the cooperation of the low liquid level detector 11 and the high liquid level detector 4. After the metering of the reducing metering pipe 12 is completed, opening a valve group No. 2 channel pipe 8 of the ten-way valve group 9, and discharging the metered liquid into the digestion reaction tank 6 through the battery valve 7. The metering mode can completely and accurately send all the required liquid amount into the digestion reaction tank 6 without errors.
In summary, this a metering device for on-line monitoring instrument realizes detecting more complicated water sample, guarantees its liquid level detection accuracy, and the precision of measuring pipe measurement is measured to the promotion that can be obvious.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In summary, the foregoing description is only one embodiment of the present utility model, but the present utility model is not limited to the above embodiments, and any changes or modifications within the scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (5)
1. A metering device for an on-line monitoring instrument, characterized by: including clearing up reaction tank (6), reaction tank (6) side be equipped with water sampling tube (10), water sampling tube (10) in be equipped with ten valves (9), ten valves (9) in be equipped with valves No. 2 passageway pipes (8), valves No. 2 passageway pipes (8) and reaction tank (6) clear up between be equipped with solenoid valve (7), solenoid valve (7) be linked together with valves No. 2 passageway pipes (8), reaction tank (6) are cleared up and are linked together, ten valves (9) upper end be equipped with peristaltic pump (2), peristaltic pump (2) and ten valves (9) between be equipped with ten valves (9) upper end looks screw thread seal cup joint fixed reducing metering tube (12).
2. A metering device for an on-line monitoring instrument as claimed in claim 1, wherein: the peristaltic pump (2) and ten-way valves (9) between be equipped with reducing metering tube (12) lower part cup joint metering frame (5), metering frame (5) upper portion be equipped with a pair of high liquid level detector (4) that are located reducing metering tube (12) both sides, metering frame (5) lower part be equipped with a pair of low liquid level detector (11) that are located reducing metering tube (12) both sides.
3. A metering device for an on-line monitoring instrument as claimed in claim 2, wherein: an upper joint (3) which is in penetrating and sleeving connection with the upper end of the metering frame (5) is arranged between the upper end of the variable diameter metering tube (12) and the peristaltic pump (2), and the lower end of the upper joint (3) is in threaded sealing and sleeving connection with the variable diameter metering tube (12).
4. A metering device for an on-line monitoring instrument as claimed in claim 3, wherein: the upper end of the metering frame (5) is provided with a gland nut (1) which is in threaded socket connection with the upper joint (3).
5. A metering device for an on-line monitoring instrument as claimed in claim 2, wherein: the metering frame (5) and the water sampling tube (10) are fixed through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320721226.5U CN219715430U (en) | 2023-04-04 | 2023-04-04 | Metering device for on-line monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320721226.5U CN219715430U (en) | 2023-04-04 | 2023-04-04 | Metering device for on-line monitoring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715430U true CN219715430U (en) | 2023-09-19 |
Family
ID=88005240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320721226.5U Active CN219715430U (en) | 2023-04-04 | 2023-04-04 | Metering device for on-line monitoring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715430U (en) |
-
2023
- 2023-04-04 CN CN202320721226.5U patent/CN219715430U/en active Active
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