CN210953784U - Water quality analyzer system - Google Patents
Water quality analyzer system Download PDFInfo
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- CN210953784U CN210953784U CN201921923518.7U CN201921923518U CN210953784U CN 210953784 U CN210953784 U CN 210953784U CN 201921923518 U CN201921923518 U CN 201921923518U CN 210953784 U CN210953784 U CN 210953784U
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- way valve
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- distribution module
- pipeline
- pipeline fixed
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Abstract
The utility model discloses a water quality analyzer system, including water sample distributor, reagent distributor, water sample distributor includes first distribution module and first suction pipe, the exhaust mouth of pipe of first distribution module has first two-position three-way valve through pipeline fixed mounting, first suction pipe's flowing back pipe has first pinch valve through first photoelectric switch fixed mounting, first two-position two-way valves is passed through pipeline fixed mounting to the one end on first distribution module right side, reagent distributor includes second distribution module and second suction pipe, second suction pipe's flowing back pipe has second pinch valve through second photoelectric switch fixed mounting, the left one end of second distribution module has two-way valves of second through pipeline fixed mounting. A water quality analyzer system, every fluid all is that almost identical process flow advances to clear up the reaction tank, can guarantee that the various fluids that the system got have excellent volume precision, improved the measurement accuracy of system.
Description
Technical Field
The invention relates to the field of water quality analysis, in particular to a water quality analyzer system.
Background
Based on the requirement of an on-line analyzer to have high stability, low failure rate, short measurement time and higher cost performance, the measurement modes adopted by the existing on-line analyzer are as follows, the modes of a peristaltic pump and photoelectric quantification, a plunger pump and photoelectric quantification, the peristaltic pump metering, the plunger pump metering, vacuum metering and the like are adopted, most of the existing on-line analyzers adopt a multi-way valve or a drain valve to switch water samples and reagents, the existing on-line analyzers are easily subjected to misjudgment caused by water sample impurities, chromaticity and easily-crystallized substances to cause measurement errors and multi-way valve blockage to cause liquid channeling and blockage, and especially the dead volume of the drain valve remains, so that the high failure rate and the low stability are brought, meanwhile, the cost caused by replacing the whole multi-way valve and discharging due to the damage of a certain one way valve is increased, and the photoelectric judgment of the liquid level causes the slow rotation speed of the pump and the.
Disclosure of Invention
The invention mainly aims to provide a water quality analyzer system which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a water quality analyzer system comprises a water sample distribution device and a reagent distribution device, wherein the water sample distribution device comprises a first distribution module and a first suction pipe, a first two-position three-way valve is fixedly arranged at an exhaust pipe opening of the first distribution module through a pipeline, a first pinch valve is fixedly arranged at a liquid discharge pipe of the first suction pipe through a first photoelectric switch, a first two-position two-way valve group is fixedly arranged at one end of the right side of the first distribution module through the pipeline, the reagent distribution device comprises a second distribution module and a second suction pipe, a second pinch valve is fixedly arranged at the liquid discharge pipe of the second suction pipe through a second photoelectric switch, a second two-position two-way valve group is fixedly arranged at one end of the left side of the second distribution module through the pipeline, the reagent distribution device is arranged at the left side of the water sample distribution device, and a fluid driving device is fixedly arranged at one end of the top of the first two-, a fifth two-position three-way valve is fixedly installed at one end of the bottom of the fluid driving device through a pipeline, a first pinch valve is fixedly installed at one end of the left side of a first distribution module of the water sample distribution device through a pipeline, a second pinch valve is fixedly installed at one end of the right side of a second distribution module of the reagent distribution device through a pipeline, a second two-position three-way valve is fixedly installed at the bottom of the first distribution module of the water sample distribution device through a pipeline, a first high-temperature high-pressure valve is fixedly installed at one end of the bottom of the second two-position three-way valve through a pipeline, a digestion reaction tank is fixedly installed at one end of the bottom of the first high-temperature high-pressure valve through a pipeline, a second high-temperature high-pressure valve is fixedly installed at one end of the bottom of the digestion reaction tank through a pipeline, a third two-position three-way valve is fixedly installed, one end fixed mounting of color comparison bottom of the pool portion has the third pinch valve, the left one end of fifth two three-way valve has the spiral pipe through pipeline fixed mounting, the left one end of spiral pipe has the fourth two three-way valve through pipeline fixed mounting.
Preferably, the exhaust pipe opening of the second distribution module of the reagent distribution device is fixedly installed at the left end of the first two-position three-way valve through a pipeline, the bottom end of the second distribution module of the reagent distribution device is fixedly installed at the left end of the second two-position three-way valve through a pipeline, the common end of the first two-position two-way valve set is fixedly installed at the left end of the fourth two-position three-way valve through a pipeline, and the bottom end of the fourth two-position three-way valve is fixedly installed at the right end of the third two-position three-way valve through a pipeline.
Preferably, the two-position two-way valve in the first two-position two-way valve group is matched with the two-position two-way valve according to the required amount of the standard solution, when the two-position two-way valve is not required, the corresponding port is blocked by a plug, the two-position two-way valve in the second two-position two-way valve group is matched with the two-position two-way valve according to the required amount of the reagent, and when the two-position two-way valve is not required, the corresponding port is.
Preferably, the volume of the spiral pipe is 1.2 times larger than that of the digestion reaction tank.
Preferably, the cuvette is of a detachable design.
Preferably, the digestion reaction tank and the colorimetric tank are respectively provided with an adjustable optical fiber jack at two ends of the outer side, and the optical fibers are respectively connected with the light source and the corresponding light detector.
Preferably, the fluid driving device is a driving device capable of rotating forward and backward and regulating speed, and the fluid driving device is a peristaltic pump.
Preferably, the photoelectric switch is a non-contact type signal detector which is not in contact with the fluid.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, the fluid driving device is arranged to drive a water sample, a diluted water sample, a standard solution or a reagent to pass through the corresponding two-position two-way valve respectively, then the diluted water sample, the standard solution or the reagent passes through the distribution module to the pipette for quantitative determination, the diluted water sample, the standard solution or the reagent flows to the digestion reaction tank under the drive of gravity and the fluid driving device, the fluid is sucked by negative pressure of the fluid driving device, enters the pipette and overflows to a liquid discharge pipe opening, signal change of a photoelectric switch is caused immediately, a corresponding pinch valve is opened, the fluid driving device stops rotating, the two-position two-way valve corresponding to the fluid is closed, and the fluid flows into the digestion reaction tank under the drive of gravity and the fluid driving device because the upper part of the pipette is communicated with the atmosphere at the moment, therefore, each fluid flows into the digestion reaction tank in almost the same process, various fluids taken by the system, the measuring accuracy is also ensured, in addition, sampling in different proportions can be realized through different sampling times of the fluid, the system can dilute complex actual water samples in a large proportion, the measuring range of the analyzer is improved, meanwhile, the fluid sampling process is realized by judging the accurate volume quantification immediately as long as the change of a photoelectric switch signal is realized, the measuring speed of the analyzer is improved, in addition, the valve can adopt the maximum inner diameter, the change of the photoelectric switch signal can indicate that the pipette is full of fluid, the influence of the complex working condition of the actual water sample is avoided, and the high stability and the low failure rate of the analyzer are ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the reagent dispensing apparatus of the present invention;
FIG. 3 is a schematic view of the construction of the spiral pipe of the present invention;
FIG. 4 is a schematic diagram of the digestion reaction tank of the present invention.
In the figure: 1. a water sample distribution device; 2. a reagent dispensing device; 3. a fluid driving device; 4. a first pinch valve; 5. a second pinch valve; 6. a first two-position three-way valve; 7. a second two-position three-way valve; 8. a first high temperature and high pressure valve; 9. a second high temperature and high pressure valve; 10. a third two-position three-way valve; 11. a fourth two-position three-way valve; 12. a fifth two-position three-way valve; 13. a spiral tube; 14. a third pinch valve; 15. a digestion reaction tank; 16. a colorimetric pool; 17. a first two-position two-way valve group; 18. and the second two-position two-way valve group.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, a water quality analyzer system includes a water sample distribution device 1, a reagent distribution device 2, the water sample distribution device 1 includes a first distribution module and a first pipette, an exhaust pipe port of the first distribution module is fixedly installed with a first two-position three-way valve 6 through a pipeline, an exhaust pipe of the first pipette is fixedly installed with a first pinch valve 4 through a first photoelectric switch, one end of the right side of the first distribution module is fixedly installed with a first two-position two-way valve group 17 through a pipeline, the reagent distribution device 2 includes a second distribution module and a second pipette, an exhaust pipe of the second pipette is fixedly installed with a second pinch valve 5 through a second photoelectric switch, an exhaust pipe port of the second distribution module of the reagent distribution device 2 is fixedly installed at the left end of the first two-position three-way valve 6 through a pipeline, one end of the left side of the second distribution module is fixedly installed with a second two-way valve group 18 through a pipeline, the two-position two-way valve in the first two-position two-way valve group 17 is matched according to the required amount of the target liquid, when the two-position two-way valve is not required, the corresponding port is blocked by a plug, the two-position two-way valve in the second two-position two-way valve group 18 is matched according to the required amount of the reagent, when the two-position two-way valve is not required, the corresponding port is blocked by a plug, the reagent distribution device 2 is arranged at the left side of the water sample distribution device 1, one end of the top of the first two-position three-way valve 6 is fixedly provided with the fluid driving device 3 through a pipeline, one end of the bottom of the fluid driving device 3 is fixedly provided with the fifth two-position three-way valve 12 through a pipeline, one end of the left side of the first distribution module of the water sample distribution device 1 is fixedly provided with the first pinch valve 4 through a pipeline, one end of the right side of the second distribution module of the reagent distribution, the bottom end of a second distribution module of the reagent distribution device 2 is fixedly arranged at the left end of a second two-position three-way valve 7 through a pipeline, one end of the bottom of the second two-position three-way valve 7 is fixedly provided with a first high-temperature high-pressure valve 8 through a pipeline, one end of the bottom of the first high-temperature high-pressure valve 8 is fixedly provided with a digestion reaction tank 15 through a pipeline, one end of the bottom of the digestion reaction tank 15 is fixedly provided with a second high-temperature high-pressure valve 9 through a pipeline, one end of the bottom of the second high-temperature high-pressure valve 9 is fixedly provided with a third two-position three-way valve 10 through a pipeline, one end of the left side of the third two-position three-way valve 10 is fixedly provided with a colorimetric tank 16 through a pipeline, the colorimetric tank 16 is in a detachable design, one end of the bottom of the colorimetric tank 16 is fixedly, the left one end of spiral pipe 13 has the four two three-way valves 11 of pipeline fixed mounting, and the common end of the two-way valves 17 of first two passes through pipeline fixed mounting at the left end of the two three-way valves 11 of fourth, and pipeline fixed mounting is passed through at the right-hand member of the two three-way valves 10 of third in the bottom of the two three-way valves 11 of fourth.
It should be noted that the water sample or reagent sampling process of the water quality analyzer system of the present invention is as follows:
in the water sampling process, the first pinch valve 4 is closed, the first two-position two-way valve group 17 is opened, the fluid driving device 3 rotates anticlockwise, when the first photoelectric switch detects a signal, the fluid driving device 3 stops, the normally closed end of the second two-position three-way valve 7 is opened, the first high-temperature high-pressure valve 8 and the second high-temperature high-pressure valve 9 are opened, the normally closed end of the fifth two-position three-way valve 12 is opened, the second pinch valve 5 and the second two-position two-way valve group 18 are opened, then the fluid driving device 3 rotates clockwise slowly, a sampled water sample enters the digestion reaction tank 15, and all components recover to the original state.
And in the reagent taking process, the second pinch valve 5 is closed, the second two-position two-way valve group 18 is opened, the normally closed end of the first two-position three-way valve 6 is opened, the normally opened end of the second two-position three-way valve 7 is closed, the fluid driving device 3 rotates anticlockwise, when the second photoelectric switch detects a signal, the fluid driving device 3 stops, the normally opened end of the second two-position three-way valve 7 is opened, the first high-temperature high-pressure valve 8 and the second high-temperature high-pressure valve 9 are opened, the normally closed end of the fifth two-position three-way valve 12 is opened, the first pinch valve 4 and the second two-position two-way valve group 18 are opened, then the fluid driving device 3 rotates clockwise slowly, the taken water sample enters the digestion reaction pool.
The working process of water sample dilution of the water quality analyzer system is as follows, taking the water sample dilution as one third as an example:
firstly, taking a water sample as described above;
secondly, a zero mark taking process is carried out, the second pinch valve 5 is closed, the first two-position two-way valve group 17 is opened, the fluid driving device 3 rotates anticlockwise, when the first photoelectric switch detects a signal, the fluid driving device 3 stops, the normally closed end of the second two-position three-way valve 7 is opened, the first high-temperature high-pressure valve 8 and the second high-temperature high-pressure valve 9 are opened, the normally closed end of the fifth two-position three-way valve 12 is opened, the second pinch valve 5 and the second two-position two-way valve group 18 are opened, then the fluid driving device 3 rotates clockwise slowly, the taken water sample enters the digestion reaction tank 15, all the components are restored to the original state, and then the process is repeated once again;
thirdly, the fluid driving device 3 rotates anticlockwise, the normally closed end of the fifth two-position three-way valve 12 is opened, the second high-temperature high-pressure valve 9 and the first high-temperature high-pressure valve 8 are opened, and the water sample and the distilled water in the digestion reaction tank 15 are stirred for a period of time;
fourthly, the normally closed end of the fifth two-position three-way valve 12 is closed, the first pinch valve 4 is closed, the normally closed end of the fourth two-position three-way valve 11 is opened, the first two-position two-way valve group 17 is opened, the fluid driving device 3 rotates anticlockwise, when the first photoelectric switch detects a signal, the fluid driving device 3 is stopped, the normally closed end of the third two-position three-way valve 10 is opened, the third pinch valve 14 is opened, the residual diluted water sample in the digestion reaction tank 15 is emptied, the normally closed end of the fourth two-position three-way valve 11 is closed, the second two-position two-way valve group 18 is closed, the normally closed end of the second two-position three-way valve 7 is opened, the first high-temperature high-pressure valve 8 and the second high-temperature high-pressure valve 9 are opened, the normally closed end of the fifth two-position three-way valve 12 is opened, the first pinch valve 4 and the second two-position two-way, then the fluid driving device 3 rotates clockwise slowly, the taken water sample enters the digestion reaction pool 15, and all the components are restored to the original state.
The volume of the liquid entering the digestion reaction tank 15 can be adjusted by replacing the pipette 1 and the pipette 2 with different volumes, and different dilution ratios of the actual water sample can be realized through different times of water sampling processes and distilled water sampling processes, so that the measurement range of the water quality analyzer system is enlarged.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A water quality analyzer system comprises a water sample distribution device (1) and a reagent distribution device (2), and is characterized in that: the water sample distribution device (1) comprises a first distribution module and a first pipette, a first two-position three-way valve (6) is fixedly installed on an exhaust pipe opening of the first distribution module through a pipeline, a first pinch valve (4) is fixedly installed on the drain pipe of the first pipette through a first photoelectric switch, a first two-position two-way valve group (17) is fixedly installed at one end of the right side of the first distribution module through a pipeline, the reagent distribution device (2) comprises a second distribution module and a second pipette, a second pinch valve (5) is fixedly installed on the drain pipe of the second pipette through a second photoelectric switch, a second two-position two-way valve group (18) is fixedly installed at one end of the left side of the second distribution module through a pipeline, the reagent distribution device (2) is arranged on the left side of the water sample distribution device (1), and a fluid driving device (3) is fixedly installed at one end of the top of the first two-position three-way valve (, the one end of fluid drive device (3) bottom has fifth two three-way valve (12) through pipeline fixed mounting, the left side one end of the first distribution module of water sample distributor (1) has first pinch valve (4) through pipeline fixed mounting, the right side one end of the second distribution module of reagent distributor (2) has second pinch valve (5) through pipeline fixed mounting, the bottom of the first distribution module of water sample distributor (1) has second two three-way valve (7) through pipeline fixed mounting, the one end of the second two three-way valve (7) bottom has first high temperature and high pressure valve (8) through pipeline fixed mounting, the one end of first high temperature and high pressure valve (8) bottom has digestion reaction tank (15) through pipeline fixed mounting, the one end of digestion reaction tank (15) bottom has second high temperature and high pressure valve (9) through pipeline fixed mounting, the one end of second high temperature and high pressure valve (9) bottom has two three-way valves of third (10) through pipeline fixed mounting, there is colorimetric pool (16) through pipeline fixed mounting in the left one end of two three-way valves of third (10), the one end fixed mounting of colorimetric pool (16) bottom has third pinch valve (14), there is spiral pipe (13) in the left one end of two three-way valve of fifth (12) through pipeline fixed mounting, there is two three-way valve of fourth (11) in the left one end of spiral pipe (13) through pipeline fixed mounting.
2. A water quality analyzer system according to claim 1, wherein: the utility model discloses a reagent distributor, including reagent distributor (2), the exhaust pipe mouth of pipe of the second distribution module of reagent distributor (2) passes through pipeline fixed mounting at the left end of first two three-way valve (6), the bottom of the second distribution module of reagent distributor (2) passes through pipeline fixed mounting at the left end of second two three-way valve (7), the common port of first two-way valves (17) passes through pipeline fixed mounting at the left end of fourth two three-way valve (11), the right-hand member of pipeline fixed mounting at third two three-way valve (10) is passed through to the bottom of fourth two three-way valve (11).
3. A water quality analyzer system according to claim 2, wherein: the two-position two-way valve in the first two-position two-way valve group (17) is matched with the required amount of the standard solution, and the two-position two-way valve in the second two-position two-way valve group (18) is matched with the required amount of the reagent.
4. A water quality analyzer system according to claim 3, wherein: the volume of the spiral pipe (13) is 1.2 times larger than that of the digestion reaction tank.
5. A water quality analyzer system according to claim 4, characterized in that: the colorimetric pool (16) is detachably designed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921923518.7U CN210953784U (en) | 2019-11-08 | 2019-11-08 | Water quality analyzer system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921923518.7U CN210953784U (en) | 2019-11-08 | 2019-11-08 | Water quality analyzer system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210953784U true CN210953784U (en) | 2020-07-07 |
Family
ID=71376367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921923518.7U Expired - Fee Related CN210953784U (en) | 2019-11-08 | 2019-11-08 | Water quality analyzer system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210953784U (en) |
-
2019
- 2019-11-08 CN CN201921923518.7U patent/CN210953784U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |