CN213041613U - Water quality analyzer - Google Patents
Water quality analyzer Download PDFInfo
- Publication number
- CN213041613U CN213041613U CN201922324575.XU CN201922324575U CN213041613U CN 213041613 U CN213041613 U CN 213041613U CN 201922324575 U CN201922324575 U CN 201922324575U CN 213041613 U CN213041613 U CN 213041613U
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- Prior art keywords
- mixing
- flow path
- water quality
- liquid
- quality analyzer
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 15
- 239000012530 fluid Substances 0.000 claims abstract description 4
- 230000032258 transport Effects 0.000 claims abstract description 3
- 230000029087 digestion Effects 0.000 claims description 26
- 239000002699 waste material Substances 0.000 claims description 12
- 230000002572 peristaltic effect Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 238000004737 colorimetric analysis Methods 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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Abstract
The utility model discloses a water quality analyzer, include: a mixing apparatus comprising at least one mixing tank; a first flow path that transports a standard in a standard bottle to the mixing tank; the second flow path is used for conveying the water sample in the water sample bottle to the mixing pool; a third flow path including a plurality of third flow paths, each of the third flow paths being configured to transfer the reagent in a corresponding reagent bottle to the mixing well; metering modules for quantifying the fluid are arranged among the first flow path, the second flow path, the third flow path and the mixing pool; the detection module is communicated with the mixing pool and is used for digesting and detecting the mixed liquid after mixing; and the controller is electrically connected with the detection module and each metering module. The utility model discloses have the beneficial effect that the sampling time is short, the sampling efficiency is high.
Description
Technical Field
The utility model relates to a water quality monitoring field especially relates to a water quality analyzer.
Background
The water quality on-line monitor is widely applied to monitoring the water quality of surface water, domestic drinking water and sewage and is used as an important basis for water environment evaluation. The performance of the monitoring instrument directly influences the monitoring data, and whether the monitoring data is accurate or not can be an important factor influencing the public confidence. In order to ensure the effective tracing of the on-line monitoring instrument, the national measurement department promulgates a series of verification rules for tracing the value of the on-line monitoring instrument and periodically verifying the value of the on-line monitoring instrument so as to ensure the accuracy and reliability of the measurement, such as the verification rules of automatic analyzers for various parameters such as ammonia nitrogen, total phosphorus, Chemical Oxygen Demand (COD), heavy metals and the like (beginning of JJG). Most of water quality analyzers in the prior art adopt a sample distribution sampling mode of a multi-way valve and a mixing tank, a reagent and a water sample are conveyed to the mixing tank through the multi-way valve one by one, the multi-way valve is easy to block, the sampling time of the sampling mode is long, and the sampling efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a short, the efficient water quality analyzer of appearance of advancing of sample time and be used for water quality analyzer's analytical method.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a water quality analyzer comprising:
a mixing apparatus comprising at least one mixing tank;
a first flow path that transports a standard in a standard bottle to the mixing tank;
the second flow path is used for conveying the water sample in the water sample bottle to the mixing pool;
a third flow path including a plurality of third flow paths for transferring the reagent from the corresponding reagent bottle to the mixing well;
metering modules for quantifying the fluid are arranged among the first flow path, the second flow path, the third flow path and the mixing pool;
the detection module is communicated with the mixing pool and is used for digesting and detecting the mixed liquid after mixing;
and the controller is electrically connected with the detection module and each metering module.
Preferably, the metering module comprises a peristaltic pump, a liquid storage tank and at least two photoelectric sensors arranged at intervals, wherein the liquid storage tank is arranged between the peristaltic pump and the photoelectric sensors.
Preferably, the detection module comprises a digestion tube integrated with digestion and colorimetry.
Preferably, the two ends of the digestion pipe are respectively provided with an electromagnetic valve, the digestion pipe is further provided with a liquid pump, the liquid pump is used for realizing uniform mixing of the mixing pool in the forward direction, and the liquid pump rotates in the reverse direction to pump the sample liquid in the mixing pool into the digestion pipe.
Preferably, the mixing tank is provided with a through hole communicated with the outside.
Preferably, the mixing tank is connected with a waste liquid pump for discharging waste liquid.
Preferably, a fluorine tube is used for the connection.
Preferably, the controller controls the standard sample in the first flow path, the water sample in the second flow path and the reagent in the third flow path to be delivered to the mixing pool in a specified volume through the metering module.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the utility model, the first flow path, the second flow path and the third flow path are respectively communicated with the mixing pool, thereby improving the sampling efficiency of the mixing pool;
2. the metering modules are arranged in the first flow path, the second flow path and the third flow path, and independent metering and sample introduction of each flow path are realized due to the metering modules, so that the accuracy of a metering result is ensured.
Drawings
FIG. 1 is a schematic view of a flow path of the water quality analyzer of the present invention;
fig. 2 is a schematic view of a flow path of the metering module of the present invention.
The names of the components marked in the figures are as follows:
1. a mixing tank; 11. a through hole; 2. a metering module; 21. a peristaltic pump; 22. a photosensor; 23. a liquid storage tank; 3. a digestion tube; 31. an electromagnetic valve; 4. a liquid pump; 5. and (4) a waste liquid pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings 1 to 2 and the embodiments.
The utility model discloses a water quality analyzer, which comprises a first flow path, a second flow path, a third flow path, a mixing device, a detection module and a controller; the first flow path conveys a standard sample in a standard sample bottle to the mixing pool 1, the second flow path conveys a water sample in a water sample bottle to the mixing pool 1, and the third flow paths are provided with a plurality of third flow paths and respectively convey reagents of corresponding reagent bottles to the mixing pool 1; the controller completes digestion and color comparison of the sample liquid in the mixing pool 1 by controlling the detection module, completes measurement of the sample liquid and outputs a detection result.
Preferably, a metering module 2 for quantifying the fluid is arranged between the first flow path, the second flow path, the third flow path and the mixing pool 1, specifically, the metering module 2 comprises a peristaltic pump 21, a liquid storage tank 23 and at least two photoelectric sensors 22 arranged at intervals, the mounting sequence in each flow path is a reagent bottle or a water sample bottle or a standard sample bottle, the peristaltic pump 21, the liquid storage tank 23 and the photoelectric sensors 22 in sequence, the peristaltic pump 21 and the photoelectric switches are electrically connected with a controller, and the liquid storage tank 23 is used for removing bubbles in the sample liquid.
In the working process, the peristaltic pump 21 extracts the sample liquid at a constant speed and passes through the two photoelectric sensors 22, the two photoelectric sensors 22 measure that the time difference of the sample liquid is T, the volume of a pipeline between the two photoelectric sensors 22 is T, and thus the speed V of the peristaltic pump 21 is measured to be T/T, so that if the first photoelectric sensor is used as the sampling time counting point, the preset amount of the sample liquid is Q, the volume from the first photoelectric sensor to the inlet of the mixing pool 1 is T1, and thus the sampling time T1 is (Q + T1)/V, wherein V is T/T; if the second photoelectric sensor is used as the timing point of the sample injection time, the preset amount of the sample liquid is Q, and the volume from the second photoelectric sensor to the inlet of the mixing pool 1 is T2, so that the sample injection time T1 is (Q + T2)/V, where V is T/T. The utility model discloses an above-mentioned measurement mode carries out the measurement of appearance liquid, has guaranteed the accuracy of appearance liquid measurement.
It can be understood that the number of the photoelectric sensors 22 is not limited to two, and can be increased or decreased correspondingly according to actual needs, for example, a third photoelectric sensor is introduced as a sampling time counting point.
Further, the detection module comprises a digestion tube 3 which is integrally arranged for digestion and color comparison, the digestion tube 3 is electrically connected with the controller, and the digestion and color comparison is completed in the digestion tube 3 and the final detection result is output.
Furthermore, electromagnetic valves 31 are respectively arranged at two ends of the digestion pipe 3, a liquid pump 4 is also arranged on the digestion pipe 3, the electromagnetic valves 31 are respectively a first electromagnetic valve arranged between the digestion pipe 3 and the mixing tank 1 and a second electromagnetic valve arranged between the digestion pipe 3 and the liquid pump 4, the liquid pump 4 rotates in the forward direction to realize uniform mixing of the mixing tank 1, and the liquid pump 4 rotates in the reverse direction to pump the sample liquid in the mixing tank 1 into the digestion pipe 3; and a waste liquid pump 5 for discharging waste liquid is connected to the mixing tank 1. When the sample liquid flows into the mixing pool 1 to be mixed uniformly, the first electromagnetic valve and the second electromagnetic valve are opened, the liquid pump 4 rotates in the forward direction, and the liquid pump 4 blows air into the mixing pool 1, so that the sample liquid in the mixing pool 1 is mixed uniformly; when sample liquid needs to flow into the digestion tube 3, the first electromagnetic valve is opened, the second electromagnetic valve is opened, the liquid pump 4 rotates reversely, and the sample liquid in the mixing pool 1 flows into the digestion tube 3 under the action of the liquid pump 4; after the detection is finished, the first electromagnetic valve is opened, the second electromagnetic valve is opened, the liquid pump 4 rotates in the forward direction, and the sample liquid flows back to the mixing pool 1 again; and in the liquid discharging process, the first electromagnetic valve and the second electromagnetic valve are closed, the waste liquid pump 5 rotates, and the waste liquid in the mixing pool 1 is discharged outwards through the waste liquid pump 5.
Further, set up on the mixing tank 1 with external communicating through-hole 11, through-hole 11's setting makes when the appearance liquid all flows into to mixing tank 1 in the time of the needs mixing, drawing liquid pump 4 forward rotation, drawing liquid pump 4 blows the air to mixing tank 1 in and the air is outwards derived along through-hole 11, sets up like this and has guaranteed mixing tank 1 interior mixing liquid mixing homogeneity.
Furthermore, the utility model discloses in all adopt the fluorine pipe to connect the setting between the two adjacent equipment.
The utility model discloses still disclose an analytical method for water quality analyzer, this method specifically includes following step:
s1: guiding the standard sample in the standard sample bottle into the mixing pool 1 through the first flow path for zero marking;
s2: introducing the water sample in the water sample bottle into the mixing pool 1 through a second flow path;
s3: introducing the reagents in the respective reagent bottles into the mixing tank 1 through the third flow path;
s4: the liquid pump 4 blows air into the mixing pool 1 to uniformly mix the water sample and the reagent in the mixing pool 1;
s5: the liquid pump 4 flows the mixed liquid after the mixing of the mixing pool 1 into the digestion tube 3 for digestion and color comparison and outputs a detection result;
s6: the liquid pump 4 returns the detected mixed liquid to the mixing tank 1;
s7: and the waste liquid pump 5 is used for guiding out the mixed liquid after the detection in the mixing tank 1 is finished.
Preferably, in the above step process, the controller controls the standard sample in the first flow path, the water sample in the second flow path, and the reagent in the third flow path to be delivered to the mixing tank 1 in a specified volume through the metering module 2, so that the metering module 2 is arranged to ensure the metering accuracy, thereby ensuring the accuracy of the detection result.
Further, the liquid pump 4 blows air into the mixing pool 1, the first electromagnetic valve and the second electromagnetic valve are opened, and the liquid pump 4 rotates in the forward direction; when the liquid pump 4 mixes the mixing pool 1, the first electromagnetic valve is opened, the second electromagnetic valve is opened, and the liquid pump 4 rotates reversely; when the liquid pump 4 returns the detected mixed liquid to the mixing tank 1, the first electromagnetic valve is opened, the second electromagnetic valve is opened, and the liquid pump 4 rotates forwards; and when the waste liquid pump 5 leads out the detected mixed liquid in the mixing tank 1, the first electromagnetic valve and the second electromagnetic valve are closed. Set up like this and guaranteed the utility model discloses normal work.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention, which is not illustrated herein.
Claims (7)
1. A water quality analyzer, comprising:
a mixing apparatus comprising at least one mixing tank;
a first flow path that transports a standard in a standard bottle to the mixing tank;
the second flow path is used for conveying the water sample in the water sample bottle to the mixing pool;
a third flow path including a plurality of third flow paths for transferring the reagent from the corresponding reagent bottle to the mixing well;
metering modules for quantifying the fluid are arranged among the first flow path, the second flow path, the third flow path and the mixing pool;
the detection module is communicated with the mixing pool and is used for digesting and detecting the mixed liquid after mixing;
and the controller is electrically connected with the detection module and each metering module.
2. The water quality analyzer of claim 1, wherein the metering module comprises a peristaltic pump, a liquid storage tank and at least two spaced apart photoelectric sensors, the liquid storage tank being disposed between the peristaltic pump and the photoelectric sensors.
3. A water quality analyzer according to claim 2 wherein the detection module comprises a digestion tube integrated with digestion colorimetry.
4. The water quality analyzer according to claim 3, wherein the digestion pipe is provided with electromagnetic valves at two ends thereof, and a liquid pump is further provided on the digestion pipe, the liquid pump realizes uniform mixing in the mixing tank in a forward direction, and the liquid pump rotates in a reverse direction to pump the sample liquid in the mixing tank into the digestion pipe.
5. A water quality analyzer according to claim 4, wherein the mixing tank is provided with a through hole communicated with the outside.
6. A water quality analyzer according to claim 5 wherein a waste liquid pump for discharging waste liquid is connected to the mixing tank.
7. A water quality analyzer in accordance with claim 1 wherein the connection is made by a fluorine tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324575.XU CN213041613U (en) | 2019-12-21 | 2019-12-21 | Water quality analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324575.XU CN213041613U (en) | 2019-12-21 | 2019-12-21 | Water quality analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213041613U true CN213041613U (en) | 2021-04-23 |
Family
ID=75519050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922324575.XU Expired - Fee Related CN213041613U (en) | 2019-12-21 | 2019-12-21 | Water quality analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213041613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970626A (en) * | 2021-09-30 | 2022-01-25 | 武汉新烽光电股份有限公司 | Water quality detection equipment and detection method |
-
2019
- 2019-12-21 CN CN201922324575.XU patent/CN213041613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113970626A (en) * | 2021-09-30 | 2022-01-25 | 武汉新烽光电股份有限公司 | Water quality detection equipment and detection method |
| CN113970626B (en) * | 2021-09-30 | 2024-04-02 | 武汉新烽光电股份有限公司 | Water quality detection equipment and detection method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |