CN110967462A - Distributed water quality automatic monitoring device, monitoring ship and monitoring method - Google Patents
Distributed water quality automatic monitoring device, monitoring ship and monitoring method Download PDFInfo
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- CN110967462A CN110967462A CN201911422948.5A CN201911422948A CN110967462A CN 110967462 A CN110967462 A CN 110967462A CN 201911422948 A CN201911422948 A CN 201911422948A CN 110967462 A CN110967462 A CN 110967462A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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Abstract
The invention relates to a distributed automatic water quality monitoring device, a monitoring ship and a monitoring method, wherein the monitoring device comprises a sampler barrel, a plurality of sampling ports which are respectively used for connecting water quality sensors are arranged on the sampler barrel, and a drain valve is arranged at the bottom of the sampler barrel; the device comprises a submersible pump and a lifting module for controlling the depth of the submersible pump in a water body, wherein the submersible pump is connected to a sampler barrel through a water inlet valve through a sampling pipeline; the controller is respectively connected with the submersible pump and each sensor; further comprising: the input end of the cleaning module is connected with a tap water supply pipe network, and the output end of the cleaning module is connected with the sampler cylinder and used for cleaning the sampler cylinder; be equipped with the depth of water sensor in the immersible pump, lift module includes the reelpipe machine and is used for driving the reelpipe machine pivoted driving motor, and a part of sample pipeline is around locating on the reelpipe machine to along with the rotation of reelpipe machine rises or descends. Compared with the prior art, the sampler can submerge deeper under the condition of occupying the same space, and the sampler barrel can be cleaned.
Description
Technical Field
The invention relates to the field of water quality monitoring, in particular to a distributed automatic water quality monitoring device, a monitoring ship and a monitoring method.
Background
The existing water quality sampling method includes manual sampling by a sampling bottle and automatic sampling by an automatic sampler. The manual sampling is generally only used for temporary sampling due to low efficiency, and is gradually eliminated, and more automatic sampling is adopted.
In addition, two modes are generally adopted for detecting the water quality after sampling is finished, firstly, the water quality can be detected on site, and secondly, after sampling is finished, a sampling sample is manually sent to a laboratory for index analysis. Wherein, because the manual sample sending is not as efficient as the field detection, the manual sample sending is gradually eliminated in the routine and normalized fixed-point monitoring field.
For example, chinese patent CN110596200A discloses an underground water stratified sampling detection device and a detection method, which belong to the technical field of water quality analysis, the underground water stratified sampling detection device includes a flow cell, a sampling pump communicated with a water inlet pipeline of the flow cell, a water quality sensor arranged inside the flow cell, and a controller electrically connected to both the sampling pump and the water quality sensor; the flow cell is also provided with a water outlet and a detection water outlet, and the detection water outlet is arranged in the middle of the flow cell. The water outlet and the water inlet are respectively provided with an electromagnetic valve, and the electromagnetic valves are electrically connected with the controller. Above-mentioned monitoring devices can be convenient take a sample appointed water layer through the sampling pump, also can gather and the analysis to the water sample automatically promptly.
However, the above detection device still has the following problems: 1) the lifting guide of the sampling pump adopts a rigid structure, so that the sinking depth is limited, and the cost is huge when the sinking depth is too deep. 2) Lack the washing to the sample thief barrel, if long-term the use, some silt remain can influence the detection precision, therefore it can not be well be applicable to fixed point long-term monitoring. 3) The water body at the center of the lake surface or the river surface or different depths at different positions cannot be sampled.
Disclosure of Invention
The invention aims to overcome the defects of limited sinking depth and inaccurate detection result caused by residual impurities in a sampler barrel in the prior art, and provides a distributed automatic water quality monitoring device, a monitoring ship and a monitoring method.
The purpose of the invention can be realized by the following technical scheme:
a distributed automatic water quality monitoring device comprises:
the sampler barrel is provided with a plurality of sampling ports which are respectively used for connecting each water quality sensor, and the bottom of the sampler barrel is provided with a drain valve;
the device comprises a submersible pump and a lifting module for controlling the depth of the submersible pump in a water body, wherein the submersible pump is connected to a sampler barrel through a water inlet valve through a sampling pipeline;
the controller is respectively connected with the submersible pump and each sensor;
it is characterized by also comprising:
the input end of the cleaning module is connected with a tap water supply pipe network, and the output end of the cleaning module is connected with the sampler cylinder and used for cleaning the sampler cylinder;
the submersible pump is provided with a water depth sensor, the lifting module comprises a pipe coiling machine and a driving motor used for driving the pipe coiling machine to rotate, and one part of the sampling pipeline is wound on the pipe coiling machine and ascends or descends along with the rotation of the pipe coiling machine.
The cleaning module comprises a tap water cleaning mechanism and a compressed air purging mechanism, wherein the input end of the tap water cleaning mechanism is connected with a tap water supply pipe network, the output end of the tap water cleaning mechanism is connected to the sampler barrel, the input end of the compressed air purging mechanism is connected to a compressed air source, and the output end of the compressed air purging mechanism is connected to the sampler barrel.
The sampling pipeline is also provided with a sampling valve, the output end of the sampling valve is connected with the input end of the water inlet valve, the tap water cleaning mechanism comprises a tap water inlet valve, a tap water cleaning valve and a spray head, the spray head is arranged at the top in the sampler barrel, the input end of the tap water inlet valve is connected to a tap water supply pipeline network, the output end of the tap water inlet valve is respectively connected to the spray head and the input end of the tap water cleaning valve, and the output end of the tap water cleaning valve is connected to the input end of.
The compressed air purging mechanism comprises a compressed air inlet valve, the input end of the compressed air inlet valve is connected to a compressed air source, and the output end of the compressed air inlet valve is connected to the input end of the water inlet valve.
The sampling port at least comprises a PH sampling port, a COD sampling port, an ammonia nitrogen sampling port and a total phosphorus sampling port.
The monitoring device also comprises a water storage tank, the input end of the water storage tank is connected to the output end of the drain valve, and the output end discharges the stored water to a water source through the drain outlet.
A monitoring system comprising the monitoring device comprises the monitoring device and an intelligent terminal, wherein a controller of the monitoring device is connected with the intelligent terminal.
A monitoring ship comprising the monitoring device comprises a ship body and the monitoring device, wherein the monitoring device is mounted on the ship body.
A monitoring method of the monitoring device as described above, comprising:
step S1: importing a plurality of sampling depths required to be adopted, and selecting a first depth;
step S2: controlling the submersible pump to a selected depth;
step S3: opening the sampling valve, the water inlet valve, the submersible pump and the water discharge valve, and draining the water accumulated in the pipeline into the sampler barrel and discharging the water;
step S4: closing the drain valve, closing the sampling valve, the water inlet valve and the submersible pump when the liquid level in the sampler barrel reaches the working liquid level, and performing sampling analysis;
step S5: the next depth is selected and the process returns to step S2 until monitoring is completed for all depths.
Step S6: opening a tap water inlet valve, a tap water cleaning valve and a water inlet valve to clean the sampler barrel;
step S7: opening a drain valve for flushing;
step S8: and closing the tap water inlet valve and the tap water cleaning valve, opening the compressed air inlet valve for cleaning, and closing the compressed air inlet valve, the water inlet valve and the water discharge valve after cleaning is finished.
And (4) emptying the water in the water storage tank after the water samples at all depths are detected.
Compared with the prior art, the invention has the following beneficial effects:
1) the immersible pump goes up and down through the form of rolling machine, need not to adopt the hard tube to connect to can have longer water pipe under the condition that occupies same space, dive more deeply, owing to dispose cleaning module, can wash the sample thief barrel in addition, avoid leading to because of impurity remains and detect the precision and descend.
2) Through the dual washing of tap water and compressed air, improve the cleaning performance.
3) Two kinds of washing modules share a part of pipeline, reduce the space and occupy.
4) The existence of the water storage tank can avoid inaccurate measurement caused by the fact that discharged water is mixed in a water source in the detection process.
5) By means of the ship body, water bodies in different depths at any position of the lake surface or the river surface can be monitored.
6) And an intelligent terminal is configured, so that the checking and the control are convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a monitoring system;
wherein: 1. the system comprises a tap water inlet valve, a tap water cleaning valve, a compressed air inlet valve, a sampling valve, a pipe coiling machine, a submersible pump, a water inlet valve, a tap water cleaning valve, a compressed air inlet valve, a sampling valve, a pipe coiling machine, a sampling pipe, a sampling head, a sampling pipe body, a sampling device, a PH sampling port, a COD sampling port, an ammonia nitrogen sampling port, a total phosphorus sampling port, a water outlet valve, a water.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A distributed automatic water quality monitoring device, as shown in fig. 1, comprising:
the sampler barrel 8 is provided with a plurality of sampling ports which are respectively used for connecting each water quality sensor, and the bottom of the sampler barrel is provided with a drain valve 13;
a submersible pump 6 and a lifting module for controlling the depth of the submersible pump 6 in the body of water, the submersible pump 6 being connected to the sampler barrel 8 by a sampling line via a feed valve 14;
the controller is respectively connected with the submersible pump 6 and each sensor;
it is characterized by also comprising:
the input end of the cleaning module is connected with a tap water supply pipe network, and the output end of the cleaning module is connected to the sampler cylinder 8 and is used for cleaning the sampler cylinder 8;
be equipped with the depth of water sensor in the immersible pump 6, lift module includes rolling machine 5 and is used for driving rolling machine 5 pivoted driving motor, and the partly of sample pipeline is around locating rolling machine 5 to along with rolling machine 5's rotation rises or descends, rolling machine 5 is connected with the controller, realizes by controller control that positive and negative rotation is corresponding to respectively and rises and descends.
The cleaning module comprises a tap water cleaning mechanism and a compressed air purging mechanism, the input end of the tap water cleaning mechanism is connected with a tap water supply pipe network, the output end of the tap water cleaning mechanism is connected to the sampler barrel body 8, the input end of the compressed air purging mechanism is connected to a compressed air source, and the output end of the compressed air purging mechanism is connected to the sampler barrel body 8.
The sampling pipeline is also provided with a sampling valve 4, the output end of the sampling valve 4 is connected with the input end of a water inlet valve 14, the tap water cleaning mechanism comprises a tap water inlet valve 1, a tap water cleaning valve 2 and a spray head 7, the spray head 7 is arranged at the top in the sampler barrel 8, the input end of the tap water inlet valve 1 is connected to a tap water supply network, the output end of the tap water cleaning valve 2 is connected to the spray head 7 and the input end of the tap water cleaning valve 2, and the output end of the tap water cleaning valve 2 is connected to the.
The compressed air purging mechanism comprises a compressed air inlet valve 3, wherein the input end of the compressed air inlet valve 3 is connected to a compressed air source, and the output end of the compressed air inlet valve 3 is connected to the input end of the water inlet valve 14.
The sampling port at least comprises a PH sampling port 9, a COD sampling port 10, an ammonia nitrogen sampling port 11 and a total phosphorus sampling port 12.
The monitoring device further comprises a water storage tank, the input end of the water storage tank is connected to the output end of the drain valve 13, and the output end discharges the stored water to a water source through a drain outlet.
This application can carry on the hull, obtains a monitoring ship.
In addition, a monitoring system can be obtained by combining the monitoring device and the intelligent terminal, and the controller of the monitoring device is connected with the intelligent terminal. Specifically, as shown in fig. 2, the intelligent terminal may be a PC terminal or a mobile phone terminal, and is connected to each monitoring device through a server.
The corresponding monitoring method comprises the following steps:
step S1: importing a plurality of sampling depths required to be adopted, and selecting a first depth;
step S2: controlling the submersible pump 6 to a selected depth;
step S3: opening the sampling valve 4, the water inlet valve 14, the submersible pump 6 and the water discharge valve 13, and guiding the water accumulated in the pipeline into the sampler barrel 8 to be discharged;
step S4: closing the drain valve 13, closing the sampling valve 4, the water inlet valve 14 and the submersible pump 6 when the liquid level in the sampler barrel 8 reaches the working liquid level, and performing sampling analysis;
step S5: the next depth is selected and the process returns to step S2 until monitoring is completed for all depths.
Step S6: opening a tap water inlet valve 1, a tap water cleaning valve 2 and a water inlet valve 14 to clean the sampler barrel 8;
step S7: the drain valve 13 is opened for flushing;
step S8: closing the tap water inlet valve 1 and the tap water cleaning valve 2, opening the compressed air inlet valve 3 for cleaning, and closing the compressed air inlet valve 3, the water inlet valve 14 and the drain valve 13 after cleaning is finished.
And (4) emptying the water in the water storage tank after the water samples at all depths are detected.
Besides the purposes, the monitoring device can also be applied to sampling and filtering washing of a water collecting well, and can also obtain a better effect.
The forward rotation or the reverse rotation of the pipe coiling machine 5 is controlled, so that the submersible pump 6 ascends or descends, and water at different depths is sampled.
In this embodiment, the controller transmits data to the server through the 4G module, and the server performs data acquisition, analysis and storage, and performs inquiry and display through the mobile phone terminal and the computer terminal.
Claims (10)
1. A distributed automatic water quality monitoring device comprises:
the sampler comprises a sampler barrel (8), a plurality of sampling ports which are respectively used for connecting each water quality sensor are arranged on the sampler barrel, and a drain valve (13) is arranged at the bottom of the sampler barrel;
the sampler comprises a submersible pump (6) and a lifting module for controlling the depth of the submersible pump (6) in a water body, wherein the submersible pump (6) is connected to a sampler cylinder (8) through a sampling pipeline through a water inlet valve (14);
the controller is respectively connected with the submersible pump (6) and each sensor;
it is characterized by also comprising:
the input end of the cleaning module is connected with a tap water supply pipe network, and the output end of the cleaning module is connected to the sampler cylinder (8) and is used for cleaning the sampler cylinder (8);
be equipped with the depth of water sensor in immersible pump (6), lift module includes rolling machine (5) and is used for driving rolling machine (5) pivoted driving motor, partly around locating rolling machine (5) of sample pipeline to along with the rotation of rolling machine (5) rise or descend.
2. The automatic distributed water quality monitoring device according to claim 1, wherein the cleaning module comprises a tap water cleaning mechanism and a compressed air purging mechanism, an input end of the tap water cleaning mechanism is connected with a tap water supply pipe network, an output end of the tap water cleaning mechanism is connected with the sampler barrel (8), an input end of the compressed air purging mechanism is connected with a compressed air source, and an output end of the compressed air purging mechanism is connected with the sampler barrel (8).
3. The distributed automatic water quality monitoring device according to claim 2, wherein a sampling valve (4) is further arranged on the sampling pipeline, an output end of the sampling valve (4) is connected with an input end of the water inlet valve (14), the tap water cleaning mechanism comprises a tap water inlet valve (1), a tap water cleaning valve (2) and a spray head (7), the spray head (7) is arranged at the top of the sampler barrel (8), the input end of the tap water inlet valve (1) is connected to a tap water supply network, an output end of the tap water inlet valve is respectively connected to the spray head (7) and the input end of the tap water cleaning valve (2), and an output end of the tap water cleaning valve (2) is connected to the input end of the water inlet valve (14).
4. A distributed automatic water quality monitoring device according to claim 3, wherein the compressed air purging mechanism comprises a compressed air inlet valve (3), the input end of the compressed air inlet valve (3) is connected to a compressed air source, and the output end of the compressed air inlet valve is connected to the input end of the water inlet valve (14).
5. A distributed automatic water quality monitoring device according to claim 1, wherein the sampling ports at least comprise a PH sampling port (9), a COD sampling port (10), an ammonia nitrogen sampling port (11) and a total phosphorus sampling port (12).
6. A distributed automatic water quality monitoring device according to claim 1, further comprising a reservoir having an input connected to the output of the drain valve (13) and an output for discharging the stored water to a water source through a drain.
7. A monitoring system comprising the monitoring device according to any one of claims 1 to 6, wherein the monitoring system comprises the monitoring device and an intelligent terminal, and a controller of the monitoring device is connected with the intelligent terminal.
8. A monitoring ship comprising the monitoring device according to any one of claims 1 to 6, characterized by comprising a hull and the monitoring device mounted on the hull.
9. A monitoring method of a monitoring device according to any one of claims 1 to 6, comprising:
step S1: importing a plurality of sampling depths required to be adopted, and selecting a first depth;
step S2: controlling the submersible pump (6) to a selected depth;
step S3: opening the sampling valve (4), the water inlet valve (14), the submersible pump (6) and the water discharge valve (13), and guiding the water accumulated in the pipeline into the sampler barrel (8) and discharging the water;
step S4: closing a drain valve (13), closing a sampling valve (4), a water inlet valve (14) and a submersible pump (6) when the liquid level in the sampler barrel (8) reaches the working liquid level, and performing sampling analysis;
step S5: the next depth is selected and the process returns to step S2 until monitoring is completed for all depths.
Step S6: opening a tap water inlet valve (1), a tap water cleaning valve (2) and a water inlet valve (14) to clean the sampler barrel (8);
step S7: opening a drain valve (13) to flush;
step S8: closing the tap water inlet valve (1) and the tap water cleaning valve (2), opening the compressed air inlet valve (3) for cleaning, and closing the compressed air inlet valve (3), the water inlet valve (14) and the drain valve (13) after cleaning is finished.
10. The method of claim 9, wherein the reservoir is emptied of water after all the water samples at all depths have been tested.
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| CN201911422948.5A CN110967462A (en) | 2019-12-31 | 2019-12-31 | Distributed water quality automatic monitoring device, monitoring ship and monitoring method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111679049A (en) * | 2020-06-22 | 2020-09-18 | 山东虎力机械有限公司 | Water source pollution monitoring equipment |
| CN113865939A (en) * | 2021-10-27 | 2021-12-31 | 中国船舶科学研究中心 | Seawater sampling device with adjustable detection depth and operation method |
| CN115839868A (en) * | 2022-10-27 | 2023-03-24 | 山东冽泉环保工程咨询有限公司 | Anti-cleaning head matched with targeted sampling device |
| CN117168903A (en) * | 2023-07-13 | 2023-12-05 | 华能澜沧江水电股份有限公司 | A pump-type water collector coupled with a buoy-type underwater water quality monitoring system |
| CN117630314A (en) * | 2023-11-28 | 2024-03-01 | 重庆市瀚德高科机器人有限公司 | A mobile online multi-parameter water quality detection system |
| CN119124747A (en) * | 2024-09-24 | 2024-12-13 | 山东柯宇市政工程有限公司 | Layered water quality monitoring device based on municipal construction projects |
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| CN119124747A (en) * | 2024-09-24 | 2024-12-13 | 山东柯宇市政工程有限公司 | Layered water quality monitoring device based on municipal construction projects |
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Application publication date: 20200407 |