CN107328903A - Shallow Groundwater Pollution thing monitoring system - Google Patents
Shallow Groundwater Pollution thing monitoring system Download PDFInfo
- Publication number
- CN107328903A CN107328903A CN201710542473.8A CN201710542473A CN107328903A CN 107328903 A CN107328903 A CN 107328903A CN 201710542473 A CN201710542473 A CN 201710542473A CN 107328903 A CN107328903 A CN 107328903A
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- monitoring
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of Shallow Groundwater Pollution thing monitoring system, including monitoring well, actuating unit and sample detecting system, monitoring well is the hollow worm screw that a lower end is connected with drill bit；Actuating unit includes frame, and frame is provided with the worm gear matched with worm screw, and worm gear is coupled by belt with motor；Sample detecting system includes suction hose, suction pump, sampling bottle, water quality detection module, microprocessor and display, suction hose one end is goed deep into inside monitoring well, water sample is pumped into sampling bottle by the other end by suction pump, water quality detection module is used to detect the water sample in sampling bottle, and testing result is sent to microprocessor, testing result is sent to display and is shown and testing result is sent into remote monitoring end by microprocessor.The present invention can be sampled and detect to the phreatic water of different depth, while detection data are sent into remote monitoring end, reach the purpose that effective monitoring and control is preferably carried out to Shallow Groundwater Pollution.
Description
Technical field
The invention belongs to water resource monitoring field, and in particular to a kind of Shallow Groundwater Pollution thing monitoring system.
Background technology
Water is relation human survival and the base substance of social development, is a kind of limited, irreplaceable precious resources,
It is the important guarantee for realizing the sustainable development of socio-economy.Phreatic water, refers to the water-bearing layer in 60 meters below earth's surface.Due to
Its buried regions is shallow, without the filtering of deep layer rock, the pollution by pesticides that water body is easily remained by the sewage of plant emissions and farmland.Drink by
The underground water of pollution, can have a strong impact on the healthy of people.Domestic and foreign scholars are converted to agricultural chemicals such as Pesticide Residue in Soil
Various physics, the chemical and biochemical mechanism of action carried out substantial amounts of theoretical and experimental study, and obtained many and have
The regular understanding of benefit.In recent years, people have set up various contaminant transportation models to simulate the agricultural chemicals such as agricultural chemicals
And its residue returning in soil and groundwater becomes and migrated.But such research, is only limitted to lab simulation or computer mould
Intend, can not truly reflect actual field situation complicated and changeable.
Underground water is once by pollution by pesticides, and not only refractory reason, long the time required to recovering, or even can not recover, thus underground
The pollution problem of water enjoys domestic and foreign scholars to pay attention to, and is one of the focus in international environmental studies field.The country such as America and Europe enters extensively
The investigation of the pollution situation of row underground water.Therefore groundwater pollutant is monitored, controls research, to protection groundwater resources
It is of great significance from pollution tool.
The content of the invention
The purpose of the present invention is to overcome above-mentioned problems of the prior art to be supervised there is provided a kind of Shallow Groundwater Pollution thing
Examining system, can be sampled and detect to the phreatic water of different depth, while detection data are sent into remote monitoring
End, reaches the purpose that effective monitoring and control is preferably carried out to Shallow Groundwater Pollution.
The technical scheme is that：Shallow Groundwater Pollution thing monitoring system, including monitoring well 2, for by monitoring well 2
The actuating unit and sample detecting system of underground are inserted, the monitoring well 2 is the hollow snail that a lower end is connected with drill bit 16
Lower end inside bar, the worm screw is set to offer on worm screw side wall adjacent thereto above water sample collecting chamber, water sample collecting chamber
Several water seepage holes 15, the middle part of the worm screw is detachably connected by more piece worm screw section in the form of being threadedly coupled；Institute
Stating actuating unit includes frame 1, and the upper end of the frame 1 is connected with worm thread, and the snail matched with it is engaged with worm screw
Wheel 3, the worm gear 3 is in frame 1, and the rotating shaft of worm gear 3 is coupled by belt 5 with the output shaft of motor 4, motor 4 and electric power storage
Pond 13 is electrically connected, and the motor 4, which is also electrically connected with, controls its clockwise and electric machine controller that is reversing；The sample detecting system bag
Include suction hose 6, suction pump 8, sampling bottle 9, water quality detection module 10, microprocessor 12 and display 11, the suction hose 6 one
End is goed deep into the water sample collecting chamber inside monitoring well 2, and the other end is connected with suction pump 8, is received water sample from water sample by suction pump 8
Collect in chamber and be pumped into sampling bottle 9, the water quality detection module 10 is used to detect the water sample in sampling bottle 9, and will detection
As a result microprocessor 12 is sent to, testing result is sent to display 11 by microprocessor 12, and display 11 enters to testing result
Row display；The testing result is sent to the first wireless communication module being connected with its signal, first by microprocessor 12 simultaneously
The testing result is wirelessly sent to remote monitoring end by wireless communication module.Adopted when needing the underground water to different depth
During sample, the worm screw section joint number for needing to connect can be calculated, they are linked together and constitutes whole monitoring well, and is installed on machine
On frame, worm and gear is meshed, start motor, fetched water so that monitoring well is pierced into underground.
It is preferred that the monitoring well 2 is further equipped with one fills in prison during monitoring well 2 earthward less than 14 drillings
Being used in well logging 2 blocks and is connected with drawstring in the rubber occluding body of water seepage hole 15, the rubber occluding body, and drawstring extends to prison
Outside well logging 2；The monitoring well 2 is further equipped with a plugging cap 7 for being used to block its top exit.Monitoring well is being pierced into underground
Inside rubber occluding body beyond the Great Wall, when waiting the depth for getting into needs, passes through drawstring and pulls out rubber occluding body so that gathered before
Underground water just be exactly need depth water sample, it is to avoid during drilling upper strata underground water enter water sample collecting chamber
In.After rubber occluding body is pulled out, water sampling can be ready for from the well head input suction hose of monitoring well.Without using monitoring
The well head of monitoring well can be covered during well by plugging cap, it is to avoid rainwater or junk enter in monitoring well.
It is preferred that being additionally provided with filter membrane on the inwall being located at closure water seepage hole 15 of the monitoring well 2.Pass through filter membrane
Filtering the soil body and impurity particle can be filtered out.
It is preferred that the water quality detection module 10 is used to detect that pH value, granularity, conductivity value, the dissolved oxygen of water sample are dense
Angle value and chlorine ion concentration value, and testing result is sent to the microprocessor 12；The water quality detection module 10 includes
Be connected respectively with the signal of microprocessor 12 be used for detect water sample chlorine ion concentration value chlorion sensor, for examining
Survey the dissolved oxygen sensor of the dissolved oxygen concentration value of water sample, the conductivity sensor of conductivity value for detecting water sample, be used for
Detect the Particle Size Analyzer of the granularity of water sample and for the pH value sensor for the pH value for detecting water sample.
It is preferred that the microprocessor 12, which goes back signal, is connected with d GPS locating module, d GPS locating module is by the ground of monitoring point
Reason positional information is sent to the microprocessor 12, and microprocessor 12 sends out the geographical location information by the first wireless module
Give the remote monitoring end.
It is preferred that the remote monitoring end is led including mobile terminal, monitoring host computer and respectively with mobile terminal and monitoring
Second wireless communication module of machine signal connection, the monitoring host computer is also connected with alarm module signal, second channel radio
Letter module is used to receive the information come transmitted by first wireless communication module, and received information is sent respectively to
The mobile terminal and monitoring host computer.
It is preferred that the bottom of the frame 1 is provided with roller 17, monitoring well is pierced behind underground, in that context it may be convenient to by frame
Move away.
It is preferred that the microprocessor 12 is electrically connected with power module, power module is electrically connected with battery 13.
It is preferred that the microprocessor 12 be model OMRON CP1E-N20DR-D PLC or MSP430 it is mono-
Piece machine.
It is preferred that first wireless communication module, the second wireless communication module are 3G or 4G wireless communication modules.
Beneficial effects of the present invention：, can be to difference the invention provides a kind of Shallow Groundwater Pollution thing monitoring system
The phreatic water of depth is sampled, at the same can to the pH value of water sample, granularity, conductivity value, dissolved oxygen concentration value with
And chlorine ion concentration value is detected, and remote monitoring end is transferred to by way of wireless network, while remote monitoring end has
The exceeded warning function of standby water quality detection, the present invention can reach preferably carries out effective monitoring and control to Shallow Groundwater Pollution
The purpose of system.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the electrical system block diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that of the invention
Protection domain do not limited by embodiment.
Referring to Fig. 1, Fig. 2, a kind of Shallow Groundwater Pollution thing monitoring system, including monitoring well 2, use are present embodiments provided
In actuating unit and sample detecting system that monitoring well 2 is inserted to underground, the monitoring well 2 is that a lower end is connected with drill bit 16
Hollow worm screw, the lower end inside the worm screw is set to worm screw side adjacent thereto above water sample collecting chamber, water sample collecting chamber
Several water seepage holes 15 are offered on wall, the middle part of the worm screw is detachably connected by more piece worm screw section in the form of being threadedly coupled
Together；The actuating unit includes frame 1, and the upper end of the frame 1 is connected with worm thread, is engaged with worm screw and its phase
The worm gear 3 of matching, the worm gear 3 is in frame 1, and the rotating shaft of worm gear 3 is coupled by belt 5 with the output shaft of motor 4, motor
4 electrically connect with battery 13, and the motor 4, which is also electrically connected with, controls its clockwise and electric machine controller that is reversing；The sampling inspection
Examining system includes suction hose 6, suction pump 8, sampling bottle 9, water quality detection module 10, microprocessor 12 and display 11, described
The one end of suction hose 6 is goed deep into the water sample collecting chamber inside monitoring well 2, and the other end is connected with suction pump 8, by suction pump 8 by water
Sample is pumped into sampling bottle 9 from water sample collecting chamber, and the water quality detection module 10 is used to examine the water sample in sampling bottle 9
Survey, and testing result is sent to microprocessor 12, testing result is sent to display 11,11 pairs of display by microprocessor 12
Testing result is shown；The testing result is sent to the first radio communication being connected with its signal by microprocessor 12 simultaneously
The testing result is wirelessly sent to remote monitoring end by module, the first wireless communication module.
Further, the monitoring well 2 be further equipped with one monitoring well 2 earthward less than 14 drilling during fill in
Being used in monitoring well 2 is blocked and is connected with drawstring in the rubber occluding body of water seepage hole 15, the rubber occluding body, and drawstring is extended to
Outside monitoring well 2；The monitoring well 2 is further equipped with a plugging cap 7 for being used to block its top exit.
Further, it is additionally provided with filter membrane on the inwall being located at closure water seepage hole 15 of the monitoring well 2.
Further, the water quality detection module 10 is used for pH value, granularity, conductivity value, the dissolved oxygen for detecting water sample
Concentration value and chlorine ion concentration value, and testing result is sent to the microprocessor 12；The water quality detection module 10 is wrapped
Include the chlorion sensor for the chlorine ion concentration value for detecting water sample being connected respectively with the signal of microprocessor 12, be used for
The dissolved oxygen sensor of the dissolved oxygen concentration value of detection water sample, the conductivity sensor of the conductivity value for detecting water sample, use
In the Particle Size Analyzer of the granularity of detection water sample and for the pH value sensor for the pH value for detecting water sample.
Further, the microprocessor 12 goes back signal and is connected with d GPS locating module, and d GPS locating module is by monitoring point
Geographical location information is sent to the microprocessor 12, and the geographical location information is passed through the first wireless module by microprocessor 12
It is sent to the remote monitoring end.
Further, the remote monitoring end include mobile terminal, monitoring host computer and respectively with mobile terminal and monitoring
Second wireless communication module of host signal connection, the monitoring host computer is also connected with alarm module signal, and described second is wireless
Communication module is used to receive the information come transmitted by first wireless communication module, and received information is sent respectively
To the mobile terminal and monitoring host computer.
Further, the bottom of the frame 1 is provided with roller 17.Be additionally provided with frame be connected with storage battery be used for protect
The car refrigerator of water sample.
Further, the microprocessor 12 is electrically connected with power module, and power module is electrically connected with battery 13.
Further, the microprocessor 12 is model OMRON CP1E-N20DR-D PLC or MSP430
Single-chip microcomputer.
Further, first wireless communication module, the second wireless communication module are 3G or 4G wireless communication modules.
In summary, can be to the shallow of different depth the invention provides a kind of Shallow Groundwater Pollution thing monitoring system
Layer underground water is sampled, while can be to the pH value of water sample, granularity, conductivity value, dissolved oxygen concentration value and chlorion
Concentration value is detected, and is transferred to remote monitoring end by way of wireless network, while remote monitoring end possesses water quality inspection
Exceeded warning function is surveyed, the present invention can reach the mesh that effective monitoring and control is preferably carried out to Shallow Groundwater Pollution
's.
Disclosed above is only several specific embodiments of the present invention, and still, the embodiment of the present invention is not limited to this, is appointed
What what those skilled in the art can think change should all fall into protection scope of the present invention.
Claims (10)
1. Shallow Groundwater Pollution thing monitoring system, including monitoring well (2), the engine for monitoring well (2) to be inserted to underground
Structure and sample detecting system, it is characterised in that the monitoring well (2) is the hollow snail that a lower end is connected with drill bit (16)
Lower end inside bar, the worm screw is set to offer on worm screw side wall adjacent thereto above water sample collecting chamber, water sample collecting chamber
Several water seepage holes (15), the middle part of the worm screw is detachably connected by more piece worm screw section in the form of being threadedly coupled；
The actuating unit includes frame (1), and the upper end of the frame (1) is connected with worm thread, is engaged with worm screw and its phase
The worm gear (3) matched somebody with somebody, the worm gear (3) is in frame (1), and the rotating shaft of worm gear (3) passes through the output of belt (5) and motor (4)
Axle couples, and motor (4) is electrically connected with battery (13), and the motor (4), which is also electrically connected with, controls its clockwise and motor that is reversing
Controller；The sample detecting system includes suction hose (6), suction pump (8), sampling bottle (9), water quality detection module (10), micro-
Processor (12) and display (11), described suction hose (6) one end are goed deep into the internal water sample collecting chamber of monitoring well (2), separately
One end is connected with suction pump (8), is pumped into water sample in sampling bottle (9) from water sample collecting chamber by suction pump (8), the water quality
Detection module (10) is used to detect the water sample in sampling bottle (9), and testing result is sent into microprocessor (12), micro-
Testing result is sent to display (11) by processor (12), and display (11) is shown to testing result；While microprocessor
The testing result is sent to the first wireless communication module being connected with its signal by device (12), and the first wireless communication module is by institute
State testing result and be wirelessly sent to remote monitoring end.
2. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that the monitoring well (2) is also matched somebody with somebody
Have one monitoring well (2) earthward (14) below creep into during fill in monitoring well (2) be used for block water seepage hole
(15) drawstring is connected with rubber occluding body, the rubber occluding body, drawstring extends to monitoring well (2) outside；The monitoring well
(2) it is further equipped with a plugging cap (7) for being used to block its top exit.
3. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1 or 2, it is characterised in that the monitoring well (2)
Filter membrane is additionally provided with the inwall at closure water seepage hole (15) place.
4. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that the water quality detection module
(10) it is used for pH value, granularity, conductivity value, dissolved oxygen concentration value and the chlorine ion concentration value for detecting water sample, and will detection
As a result it is sent to the microprocessor (12)；
The water quality detection module (10) includes the chlorine for being used to detect water sample being connected respectively with the microprocessor (12) signal
The chlorion sensor of ion concentration value, the dissolved oxygen sensor of dissolved oxygen concentration value for detecting water sample, for detecting water
The conductivity sensor of the conductivity value of sample, the Particle Size Analyzer of granularity for detecting water sample and for detecting water sample
The pH value sensor of pH value.
5. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that the microprocessor (12) is also
Signal is connected with d GPS locating module, and the geographical location information of monitoring point is sent to the microprocessor by d GPS locating module
(12), the geographical location information is sent to the remote monitoring end by microprocessor (12) by the first wireless module.
6. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that the remote monitoring end includes
Mobile terminal, monitoring host computer and the second wireless communication module being connected respectively with mobile terminal and monitoring host computer signal, it is described
Monitoring host computer is also connected with alarm module signal, and second wireless communication module is used to receive first wireless communication module
Transmitted next information, and received information is sent respectively to the mobile terminal and monitoring host computer.
7. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that the bottom of the frame (1)
Provided with roller (17).
8. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that the microprocessor (12) with
Power module is electrically connected, and power module is electrically connected with battery (13).
9. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that the microprocessor (12) is
Model OMRON CP1E-N20DR-D PLC or MSP430 single-chip microcomputers.
10. Shallow Groundwater Pollution thing monitoring system as claimed in claim 1, it is characterised in that first radio communication
Module, the second wireless communication module are 3G or 4G wireless communication modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542473.8A CN107328903A (en) | 2017-07-05 | 2017-07-05 | Shallow Groundwater Pollution thing monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542473.8A CN107328903A (en) | 2017-07-05 | 2017-07-05 | Shallow Groundwater Pollution thing monitoring system |
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| CN107328903A true CN107328903A (en) | 2017-11-07 |
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ID=60195702
Family Applications (1)
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| CN201710542473.8A Pending CN107328903A (en) | 2017-07-05 | 2017-07-05 | Shallow Groundwater Pollution thing monitoring system |
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Cited By (14)
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| CN107817327A (en) * | 2017-12-07 | 2018-03-20 | 鄢海军 | A kind of high-efficiency sewage acidity-basicity tester |
| CN107939279A (en) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | For building the spiral drill component of water sample monitoring well |
| CN108088976A (en) * | 2017-12-11 | 2018-05-29 | 梁媛媛 | groundwater monitoring system |
| CN109061089A (en) * | 2018-08-30 | 2018-12-21 | 郑州鼎为实业有限公司 | A kind of experimental bench for water pollution detection |
| CN109580437A (en) * | 2018-10-30 | 2019-04-05 | 中国神华能源股份有限公司 | Concentration basin effect of settling detection system |
| CN110045075A (en) * | 2019-03-19 | 2019-07-23 | 广东筑奥生态环境股份有限公司 | A kind of method of underground water pollution monitoring and prevention and treatment |
| CN110646353A (en) * | 2019-11-13 | 2020-01-03 | 江苏志为科技有限公司 | Ultraviolet visible spectroscopy water quality testing instrument |
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| CN116735279A (en) * | 2023-08-10 | 2023-09-12 | 宝航环境修复有限公司 | Groundwater pollutant extraction device |
| CN117269457A (en) * | 2023-11-14 | 2023-12-22 | 湖北省理化分析测试中心有限公司 | Pollution detection device based on soil restoration is used |
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| CN107817327B (en) * | 2017-12-07 | 2020-05-15 | 江苏融汇环境工程有限公司 | High-efficient sewage pH valve detection device |
| CN107817327A (en) * | 2017-12-07 | 2018-03-20 | 鄢海军 | A kind of high-efficiency sewage acidity-basicity tester |
| CN108088976A (en) * | 2017-12-11 | 2018-05-29 | 梁媛媛 | groundwater monitoring system |
| CN108088976B (en) * | 2017-12-11 | 2020-08-14 | 靳职雄 | Underground water monitoring system |
| CN107939279A (en) * | 2017-12-29 | 2018-04-20 | 江苏省无锡探矿机械总厂有限公司 | For building the spiral drill component of water sample monitoring well |
| CN109061089A (en) * | 2018-08-30 | 2018-12-21 | 郑州鼎为实业有限公司 | A kind of experimental bench for water pollution detection |
| CN109580437A (en) * | 2018-10-30 | 2019-04-05 | 中国神华能源股份有限公司 | Concentration basin effect of settling detection system |
| CN110045075A (en) * | 2019-03-19 | 2019-07-23 | 广东筑奥生态环境股份有限公司 | A kind of method of underground water pollution monitoring and prevention and treatment |
| CN110646353B (en) * | 2019-11-13 | 2022-03-01 | 江苏志为科技有限公司 | Ultraviolet visible spectroscopy water quality testing instrument |
| CN110646353A (en) * | 2019-11-13 | 2020-01-03 | 江苏志为科技有限公司 | Ultraviolet visible spectroscopy water quality testing instrument |
| CN111323083A (en) * | 2020-03-24 | 2020-06-23 | 西安科技大学 | Mining area ecological environment monitoring device and method |
| CN112649031A (en) * | 2020-12-25 | 2021-04-13 | 四川众望安全环保技术咨询有限公司 | Intelligent park environment monitoring system and method |
| CN113588899A (en) * | 2021-06-11 | 2021-11-02 | 深圳市有为环境科技有限公司 | Water quality monitoring device |
| CN114636734A (en) * | 2022-05-17 | 2022-06-17 | 江苏弘德环保科技有限公司 | Underground water quality monitoring device for solid waste landfill well |
| CN114636734B (en) * | 2022-05-17 | 2022-08-26 | 江苏弘德环保科技有限公司 | Underground water quality monitoring device for solid waste landfill well |
| CN115980299A (en) * | 2023-03-20 | 2023-04-18 | 山东省国土空间生态修复中心(山东省地质灾害防治技术指导中心、山东省土地储备中心) | Monitoring device for groundwater pollutants |
| CN116735279A (en) * | 2023-08-10 | 2023-09-12 | 宝航环境修复有限公司 | Groundwater pollutant extraction device |
| CN116735279B (en) * | 2023-08-10 | 2023-10-27 | 宝航环境修复有限公司 | Groundwater pollutant extraction device |
| CN117269457A (en) * | 2023-11-14 | 2023-12-22 | 湖北省理化分析测试中心有限公司 | Pollution detection device based on soil restoration is used |
| CN117269457B (en) * | 2023-11-14 | 2024-02-02 | 湖北省理化分析测试中心有限公司 | Pollution detection device based on soil restoration is used |
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