CN212379348U - Permanganate index on-line monitoring calibrating device - Google Patents
Permanganate index on-line monitoring calibrating device Download PDFInfo
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- CN212379348U CN212379348U CN202020840071.3U CN202020840071U CN212379348U CN 212379348 U CN212379348 U CN 212379348U CN 202020840071 U CN202020840071 U CN 202020840071U CN 212379348 U CN212379348 U CN 212379348U
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Abstract
The utility model relates to a permanganate index on-line monitoring calibrating device, including: a frame; a moving member provided on the frame and capable of moving relative to the frame; the sampling pipeline is arranged on the moving part, and a sampling device is arranged on the sampling pipeline; a reagent adding pipeline arranged on the moving part, and a reagent adding device arranged on the reagent adding pipeline; the digestion device comprises a digestion container, and the digestion container comprises a liquid outlet; the titration device comprises a titration container, the titration container is connected with the liquid outlet through a connecting pipeline, and a control element is arranged on the connecting pipeline close to the liquid outlet; a color detection element; and the controller is in communication connection with the moving part, the sampling device, the reagent adding device and the color detection element and can control the start and stop of the reagent adding device according to the color detected by the color detection element. Through the utility model provides a detection efficiency that prior art permanganate index detected the existence low, the poor problem of data stability.
Description
Technical Field
The utility model discloses water quality monitoring equipment technical field, concretely relates to improvement of permanganate index on-line monitoring calibrating device structure.
Background
Monitoring key water quality indexes such as permanganate index, ammonia nitrogen, TN and TP plays an important role in controlling water quality treatment, optimizing and diagnosing the process, however, the water quality indexes are difficult to measure or difficult to measure on line, and are mainly concentrated into laboratory detection at present. But traditional permanganate index detection experiment, including a series of links such as sample, liquid feeding, water bath are cleared up, keep warm and drip, not only the measurement cycle is long but also the sample process is through artifical manual operation steps such as filtration, transfer, save, detection efficiency is low, and can bring the influence for the test of this index in the water sample, and then reduce water quality monitoring's accuracy.
The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.
Disclosure of Invention
The utility model discloses to the problem that monitoring efficiency is low, the rate of accuracy is low that the monitoring of prior art permanganate index exists, provide a permanganate index on-line monitoring calibrating device, can realize the real-time on-line monitoring to the permanganate index, and whole monitoring process can realize automated inspection, has improved monitoring efficiency, and the testing process need not artifical the participation, has improved the accuracy of monitoring.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a permanganate index on-line monitoring calibrating device, including: a frame;
a moving member provided on the frame and capable of moving relative to the frame;
the sampling pipelines are arranged on the moving component, and each sampling pipeline is provided with a sampling device for sampling;
a reagent addition pipeline arranged on the moving part, wherein a reagent addition device is arranged on the reagent addition pipeline;
the digestion device comprises a digestion container, the digestion device can digest substances added into the digestion container, and the digestion container comprises a liquid outlet;
the titration device comprises a titration container, and the titration container is connected with the liquid outlet through a connecting pipeline;
a color detecting element for detecting a color of the sample in the titration vessel;
and the controller is in communication connection with the moving part, the sampling device, the reagent adding device and the color detection element and can control the start and stop of the reagent adding device according to the color detected by the color detection element.
Furthermore, the sampling pipeline comprises a water sample sampling pipeline before filtration, a water sample sampling pipeline after filtration and a pure water pipeline.
Furthermore, the sampling pipeline also comprises a calibration pipeline used for checking the precision of the device.
Further, the sampling device is a peristaltic pump, and the reagent adding device is a plunger pump.
Further, reagent adds the pipeline and is provided with 3 at least, all is provided with on each reagent adds the pipeline reagent adds the device.
Furthermore, the digestion device also comprises a heating container and a heating medium supplementing pipeline, wherein the heating container is arranged outside the digestion container and fixedly connected with the digestion container, a digestion cavity surrounding the digestion container is formed between the heating container and the digestion container, a heating part is arranged in the digestion cavity, the heating medium supplementing pipeline is communicated with the digestion cavity, and a heating medium extracting part for extracting a heating medium is arranged on the heating medium supplementing pipeline.
Furthermore, a liquid level detection element for detecting the liquid level in the digestion cavity is also included.
Further, the titration apparatus further comprises a stirring apparatus, the stirring apparatus comprises a driving element, a magnetic stirring component and a magnetic component fixedly connected with the driving element, the magnetic stirring component is arranged in the titration container, and the magnetic component and the driving element are arranged at the bottom position of the digestion container.
Further, it is provided with 2 to clear up the container, and the parallel arrangement sets up inside the heating vessel, titration vessel is provided with 2, and the liquid outlet that the container bottom was all cleared up to each is connected with the titration vessel rather than corresponding through connecting line, at each be equipped with on the connecting line and take out the sample extraction device that clears up in the titration vessel of sample.
Further, still including the waste liquid recovery container, the waste liquid recovery container with titrate the container intercommunication be provided with waste liquid draw-out device on the waste liquid recovery container.
Compared with the prior art, the utility model discloses an advantage is with positive effect:
the utility model provides a permanganate index on-line monitoring calibrating device, including sampling pipeline and reagent add the pipeline, and be provided with sampling device on the sampling pipeline, be equipped with reagent on the reagent adds the pipeline and add the device, sampling pipeline and reagent add the pipeline and all set up on the moving part, when needing to examine water quality, can directly extract the water sample through the sampling device in the sampling pipeline, drive to digestion device top through the moving part, add the water sample into digesting the container, then continue to move through the moving part, through the action of reagent addition device, add the reagent into digesting the container, digest the sample, the sample after digesting the completion can directly enter into titrating the container through the liquid outlet and the connecting line of digesting the container bottom, then carry out reagent addition titration operation through the reagent addition device, detect the colour in the titrating container through the colour detecting element, stop titrating after reaching the required colour of experiment, acquire the volume of the potassium permanganate of titrating, reachd corresponding permanganate index, through the utility model provides a permanganate index on-line monitoring calibrating device can directly place the monitoring point with equipment and monitor, can realize the on-line monitoring to quality of water, monitors convenient and fast more, has improved monitoring efficiency, and the testing process is automatic realization completely, has improved the rate of accuracy of monitoring.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of the permanganate index on-line monitoring and calibrating device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, 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.
The utility model provides an embodiment of permanganate index on-line monitoring calibrating device, including: the frame is a supporting foundation of the whole monitoring device.
And a moving member 100 provided on the frame and movable relative to the frame, and preferably, the moving member 100 in this embodiment is a robot hand capable of moving left and right and up and down relative to the frame.
The specific structure of the manipulator can directly adopt the manipulator structure commonly used in the prior art as long as the manipulator can move.
The sampling pipelines 200 are arranged on the moving part 100, the sampling pipelines 200 are provided with sampling devices 300 for sampling, and when the moving part 100 acts, the sampling pipelines 200 can be correspondingly driven to move.
Specifically when setting up, sampling pipeline 200 in this embodiment is provided with 3, is water sample sampling pipeline 210 before filtering, water sample sampling pipeline 220 and pure water pipeline 230 after filtering respectively, all is provided with the sampling device 300 that is used for taking out the sample on each sampling pipeline 200, simultaneously, for the break-make of control sampling pipeline 200, when setting up, all is provided with the control flap that control sampling pipeline 200 switched on or switched off on each sampling pipeline 200.
The pre-filtering water sample sampling pipeline 210 is used for extracting a pre-filtering water sample through the sampling device 300 above the pre-filtering water sample sampling pipeline;
the filtered water sample sampling pipeline 220 can extract the filtered water sample through the sampling device 300 carried above the pipeline;
the pure water line 230 mainly extracts pure water through the sampling device 300 as a blank test to compare and calibrate the concentration value of the potassium permanganate for the experiment.
The reagent addition line 400 is provided in the moving member 100, and the reagent addition device 410 is provided in the reagent addition line 400, and similarly, the reagent addition line 400 can be moved by the moving member 100 because it is provided in the moving member 100.
The digestion device 500 comprises a digestion container 510, the digestion device 500 can digest substances added into the digestion container 510, the digestion container 510 comprises a liquid outlet 511, the digestion device 500 further comprises a heating container 520 and a heating medium supplementing pipeline 550, the heating container 520 is arranged on the outer side of the digestion container 510 and fixedly connected with the digestion container 510, a digestion cavity 530 arranged around the digestion container 510 is formed between the heating container 520 and the digestion container 510, a heating part 540 is arranged in the digestion cavity 530, the heating medium supplementing pipeline 550 is communicated with the digestion cavity 530, and a heating medium extracting part 560 used for extracting a heating medium is arranged on the heating medium supplementing pipeline 550.
The heating medium may correspond to water or oil to achieve the effect of water bath heating or oil bath heating.
The heating medium withdrawal means 560 may optionally employ a powered circulation pump for withdrawing external water or oil into the digestion chamber 530 to replenish the heating medium in the digestion chamber 530.
In order to detect the water level in the digestion chamber 530, a liquid level detecting element 800 is correspondingly disposed in this embodiment to detect the water level change in the digestion chamber 530, and when the water level in the digestion chamber 530 is lower than the set water level, the heating medium extracting member 560 is controlled to operate to perform a liquid replenishing operation.
The liquid level detection element 800 may be a liquid level detection sensor.
Preferably, the digestion container 510 and the heating container 520 in this embodiment are integrally formed, and are made of glass, the heating container 520 includes a container body and a cover body disposed on the top of the container body, the cover body is fastened on the container body, the top portion of the digestion container 510 extends outwards from the cover body, the top portion of the digestion container 510 is provided with a filling opening 512, and the filling opening 512 leaks outwards, so as to facilitate filling into the digestion container 510.
The digestion device 500 in the embodiment is formed by directly and integrally forming the digestion container 510 and the heating container 520, an annular digestion cavity 530 is formed around the digestion container 510, a heating medium is arranged in the digestion cavity 530, the heating part 540 heats the heating medium in the digestion cavity 530, and when the heating medium is heated by the heating part 540, heat is transferred to the digestion container 510, so that the digestion container 510 is heated. Because the digestion container 510 is heated, when a sample is added into the digestion container 510, the boiling condition of the heating medium in the digestion cavity 530 is slightly or hardly influenced, when the sample is digested, a reagent can be directly added into the digestion container 510, the sample is digested, and compared with the mode that the sample cup is placed into a water bath kettle to be digested in the prior art, the sample cup needs to be heated, and the heating medium is heated again to be boiled for the second time, the heating time is shortened, and the heating digestion efficiency is improved.
The titration apparatus 600 comprises a titration container 610, wherein the titration container 610 is connected with the liquid outlet 511 through a connecting pipeline 620, and meanwhile, a control element, preferably a control valve, is arranged on the connecting pipeline 620 near the liquid outlet 511, and when the sample in the digestion container 510 is heated and digested, the control valve can be opened, and the sample is directly introduced into the titration container 610 from the digestion container 510 through the liquid outlet 511.
When set, the digestion vessel 510 may be set at a height higher than the titration vessel 610 so that it can introduce the digestion sample into the titration vessel 610 by gravity, or a peristaltic pump may be correspondingly set to the connection line 620 so that the sample in the digestion vessel 510 can be rapidly transferred to the titration vessel 610 by the peristaltic pump.
The color detecting element 700 is used for detecting the color of the sample in the titration container 610, and preferably, the color detecting element 700 in this embodiment is a color detecting sensor capable of detecting the change value of the color of the titrated sample in the titration container 610, and when the color of the sample in the titration container 610 changes to the experimentally set color, the reagent adding device 410 is controlled to stop adding the reagent for titration.
The experiment setting color can be set according to the actual experiment requirement, such as red or yellow, and the like, and is not limited in particular.
And a controller, which is in communication connection with the moving part 100, the sampling device 300 and the reagent adding device 410, and is capable of controlling the start and stop of the reagent adding device 410 according to the color detected by the color detecting element 700.
Further, the sampling pipeline 200 in this embodiment further includes a calibration pipeline 240 for checking the accuracy of the device, the calibration pipeline 240 is also disposed on the moving part 100 and can be moved under the driving of the moving part 100, the calibration pipeline 240 is mainly used for calibrating the accuracy of the whole instrument, specifically, a water sample with a known permanganate index is pumped into the calibration pipeline 240, during an experiment, operations are sequentially performed according to steps of reagent addition, sample digestion and titration, the permanganate index is obtained by calculating the amount of potassium permanganate required for titration, and is compared with the known permanganate index, if a value obtained by the experimental calculation is the same as the actual permanganate index, it represents that the accuracy of the container meets the experimental requirements, and if the difference between the two values is large, the monitoring device needs to be correspondingly adjusted.
Preferably, the sampling device 300 in this embodiment is a peristaltic pump, and the reagent adding device 410 is a plunger pump. Peristaltic pump is selected for the sampling device 300, so that the pump body can be prevented from being in contact with the extracted water sample, deviation caused by external factors is avoided, and the measurement precision is improved.
In order to ensure that the titration container 610 is filled with the titrated reagent for rapid reaction, the titration apparatus 600 in this embodiment further includes a stirring apparatus, the stirring apparatus includes a driving element 630, a magnetic stirring component 640, and a magnetic component 650 fixedly connected to the driving element 630, the magnetic stirring component 640 is disposed in the titration container 610, and the magnetic component 650 and the driving element 630 are disposed at the bottom of the digestion container 510.
When stirring, accessible drive element 630 rotates, drives magnetic force part 650 and rotates, has magnetic attraction between magnetic force part 650 and the magnetic stirring part 640, can make magnetic force part 650 drive magnetic stirring part 640 and rotate through the effect of magnetic attraction, stirs the reagent that is arranged in titration container 610.
For making permanganate index on-line monitoring calibrating device in this embodiment can carry out synchronous detection to water sample before filtering and water sample after filtering simultaneously to make things convenient for contrastive analysis to filter the influence to quality of water, clear up container 510 in this embodiment and be provided with 2, parallel arrangement is fixed inside heating container 520, titration container 610 is provided with 2, and the liquid outlet 511 of each clear up container 510 bottom all is connected through connecting tube 620 and titration container 610 rather than corresponding, and at each be equipped with on the connecting tube 620 and take out the sample extraction device that clears up in titration container 610 with clearing up the sample.
When the water sample before filtration and the water sample after filtration are synchronously detected, a water source to be detected can pass through the filtering device and then is sucked into the sampling pipeline 220 of the water sample after filtration through the sampling device 300, one water sample does not pass through the filtering device and is sucked into the sampling pipeline 210 of the water sample before filtration through the sampling device 300, the water sample in the sampling pipeline 210 of the water sample before filtration is driven to drop into one digestion container 510 through the moving part 100, the water sample in the sampling pipeline 220 of the water sample after filtration is driven to drop into the other digestion container 510, the reagents are respectively added into 2 digestion containers 510 through the reagent adding pipeline 400, then the sample digestion is continued, after the digestion is finished, the samples in the 2 digestion containers 510 are respectively transferred into 2 titration containers 610 for titration, and during titration, the reagents are continuously added into one titration container 610 through the moving part 100 for titration, until the reaction is complete, the reagents are then added to another titration vessel 610 for titration. And finally, calculating the amount of the used potassium permanganate according to the titration amount, and calculating the permanganate index content corresponding to the water sample before filtration and the water sample after filtration.
In order to realize the recovery of the waste liquid that produces in the experiment, still be provided with waste liquid recovery container 900 in this embodiment, waste liquid recovery container 900 with titrate container 610 intercommunication be provided with waste liquid draw-out device 910 on waste liquid recovery container 900, waste liquid recovery device is arranged in the extraction titrates the waste liquid of accomplishing of titrating in the container 610, for the realization with the quick discharge of waste liquid, comes to titrate the waste liquid in the container 610 and takes out through waste liquid draw-out device 910, and waste liquid draw-out device 910 optional circulation power pump etc..
Permanganate index on-line monitoring calibrating device in this embodiment, when detecting, can directly place the sampling monitoring point department of waiting to monitor the water sample with equipment, then the sampling device 300 who sets up on through sampling pipeline 200 directly extracts the water sample, then directly drive it through moving part 100 with the water sample after the extraction and remove to the top of clearing up container 510, heat and clear up, and clear up the completion back in the heating, the sample after clearing up the heating directly conveys to titrating container 610 in through liquid outlet 511, carry out the autotitration, can be directly at on-the-spot sample detection, online real-time automated inspection has been realized, make to detect convenient and fast more, and the detection efficiency is improved.
In addition, the permanganate index online monitoring and calibrating device in this embodiment can be provided with a multi-path sampling pipeline 200 to analyze a water sample before filtration and a water sample after filtration, and determine the influence of filtration on water quality;
the permanganate index on-line monitoring and calibrating device in this embodiment further includes a calibrating pipeline 240 for calibrating the accuracy of the whole instrument.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a permanganate index on-line monitoring calibrating device which characterized in that, including: a frame;
a moving member provided on the frame and capable of moving relative to the frame;
the sampling pipelines are arranged on the moving component, and each sampling pipeline is provided with a sampling device for sampling;
a reagent addition pipeline arranged on the moving part, wherein a reagent addition device is arranged on the reagent addition pipeline;
the digestion device comprises a digestion container, the digestion device can digest substances added into the digestion container, and the digestion container comprises a liquid outlet;
the titration device comprises a titration container, the titration container is connected with the liquid outlet through a connecting pipeline, and a control element for controlling the on-off of the pipeline is arranged on the connecting pipeline close to the liquid outlet;
a color detecting element for detecting a color of the sample in the titration vessel;
and the controller is in communication connection with the moving part, the sampling device, the reagent adding device and the color detection element and can control the starting and stopping of the reagent adding device according to the color detected by the color detection element.
2. The permanganate index on-line monitoring and calibrating device according to claim 1, wherein the sampling pipeline comprises a pre-filtration water sample sampling pipeline, a post-filtration water sample sampling pipeline and a pure water pipeline.
3. The permanganate index online monitoring and calibrating device according to claim 2, wherein the sampling pipeline further comprises a calibration pipeline for checking the device accuracy.
4. The permanganate index on-line monitoring and calibrating device according to claim 1, wherein the sampling device is a peristaltic pump, and the reagent adding device is a plunger pump.
5. The permanganate index on-line monitoring and calibrating device according to claim 1, wherein at least 3 reagent adding pipelines are provided, and the reagent adding device is provided on each reagent adding pipeline.
6. The permanganate index online monitoring and calibrating device according to claim 1, wherein the digestion device further comprises a heating container and a heating medium supplementing pipeline, the heating container is arranged outside the digestion container and fixedly connected with the digestion container, a digestion cavity arranged around the digestion container is formed between the heating container and the digestion container, a heating part is arranged in the digestion cavity, the heating medium supplementing pipeline is communicated with the digestion cavity, and a heating medium extracting part for extracting a heating medium is arranged on the heating medium supplementing pipeline.
7. The permanganate index online monitoring and calibrating device according to claim 1, wherein the device further comprises a liquid level detection element for detecting the liquid level in the digestion chamber.
8. The permanganate index online monitoring and calibrating device according to claim 1, wherein the titration device further comprises a stirring device, the stirring device comprises a driving element, a magnetic stirring component and a magnetic component fixedly connected with the driving element, the magnetic stirring component is arranged in the titration container, and the magnetic component and the driving element are arranged at the bottom of the digestion container.
9. The permanganate index on-line monitoring and calibrating device according to claim 6, wherein the digestion containers are 2, the digestion containers are arranged in parallel inside the heating container, the titration containers are 2, the liquid outlet at the bottom of each digestion container is connected with the corresponding titration container through a connecting pipeline, and a digestion sample extracting device for extracting digestion samples into the titration containers is arranged on each connecting pipeline.
10. The permanganate index on-line monitoring and calibrating device according to claim 7, further comprising a waste liquid recovery container, wherein the waste liquid recovery container is communicated with the titration container, and a waste liquid extraction device is arranged on the waste liquid recovery container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840071.3U CN212379348U (en) | 2020-05-19 | 2020-05-19 | Permanganate index on-line monitoring calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840071.3U CN212379348U (en) | 2020-05-19 | 2020-05-19 | Permanganate index on-line monitoring calibrating device |
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| CN212379348U true CN212379348U (en) | 2021-01-19 |
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| CN202020840071.3U Active CN212379348U (en) | 2020-05-19 | 2020-05-19 | Permanganate index on-line monitoring calibrating device |
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