CN112857897A - Automatic step-by-step cyclic collection and monitoring system for water quality - Google Patents

Automatic step-by-step cyclic collection and monitoring system for water quality Download PDF

Info

Publication number
CN112857897A
CN112857897A CN202110022597.XA CN202110022597A CN112857897A CN 112857897 A CN112857897 A CN 112857897A CN 202110022597 A CN202110022597 A CN 202110022597A CN 112857897 A CN112857897 A CN 112857897A
Authority
CN
China
Prior art keywords
sampling
monitoring system
communicated
water quality
branch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110022597.XA
Other languages
Chinese (zh)
Inventor
邹榆
李昆芃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Yuqingyuan Environmental Protection Technology Co ltd
Original Assignee
Sichuan Yuqingyuan Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Yuqingyuan Environmental Protection Technology Co ltd filed Critical Sichuan Yuqingyuan Environmental Protection Technology Co ltd
Priority to CN202110022597.XA priority Critical patent/CN112857897A/en
Publication of CN112857897A publication Critical patent/CN112857897A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • G01N2001/1418Depression, aspiration
    • G01N2001/1427Positive displacement, piston, peristaltic

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses an automatic step-by-step cyclic collection and monitoring system for water quality, which comprises a plurality of sampling pools and a monitoring system for monitoring the water quality in the sampling pools; a plurality of sampling pools are all provided with sampling power mechanisms, one end of each sampling power mechanism, which is far away from each sampling pool, is provided with a sampling branch, the monitoring system is communicated with a sampling main, one end of each sampling main, which is far away from the monitoring system, is communicated with a multi-way joint I, and each other water port of the multi-way joint I is correspondingly connected with one sampling branch and is communicated with the sampling branch; according to the invention, the electric ball valve I on each sampling branch can be regulated and controlled to automatically monitor the water quality in each sampling pool step by step, so that the situations of complicated and inconvenient flows of manual water quality monitoring are avoided, the cost of enterprises and operation units is greatly reduced, the water quality is conveniently monitored in real time, the environmental protection risk is reduced, and the stable operation of a sewage treatment plant is ensured.

Description

Automatic step-by-step cyclic collection and monitoring system for water quality
Technical Field
The invention belongs to the technical field of water quality acquisition and monitoring equipment, and particularly relates to an automatic step-by-step type water quality circulating acquisition and monitoring system.
Background
The national monitoring of water quality is more and more strict. At present, not only the on-line monitoring of inlet and outlet water but also the monitoring of an intermediate link of biochemical treatment are required, and because the water inlet index of high-concentration wastewater is high, the wastewater collection of a biochemical section is difficult, no special equipment and measures for collecting and on-line monitoring the intermediate link of the high-concentration wastewater exist at present, and only manual collection and manual monitoring can be realized; although the manual mode can also be used for collecting and monitoring the water quality, the operation cost for manually collecting and monitoring the sewage is higher, the manual treatment process is complicated and inconvenient, and the water quality cannot be monitored in real time.
Disclosure of Invention
The invention aims to: the utility model provides a quality of water automatic step-by-step circulation collection monitoring system, aims at solving the problem that the manual work can not real-time supervision quality of water and the cost of labor is higher among the relevant art.
The technical scheme adopted by the invention is as follows:
an automatic step-by-step cyclic water quality acquisition and monitoring system comprises a plurality of sampling pools and a monitoring system for monitoring the water quality in the sampling pools;
a plurality of sampling pools are all provided with sampling power mechanisms, one end of each sampling power mechanism, which is far away from each sampling pool, is provided with a sampling branch, the monitoring system is communicated with a sampling main, one end of each sampling main, which is far away from the monitoring system, is communicated with a multi-way joint I, each other water port of the multi-way joint I is correspondingly connected with one sampling branch and is communicated with the multi-way joint I, and an electric ball valve I is arranged between each sampling branch and the multi-way joint I;
a backflow mechanism used for enabling water quality monitored in the monitoring system to flow back to the interior of each sampling pool is arranged between the monitoring system and the sampling pools, the backflow mechanism comprises a backflow main channel communicated with the monitoring system, a multi-way joint II and backflow branch channels communicated with the sampling pools, one end, far away from the monitoring system, of the backflow main channel is communicated with one water gap in the multi-way joint II, and each other water gap of the multi-way joint II is correspondingly connected with one backflow branch channel and is communicated with the backflow branch channel;
and each backflow branch is provided with a third electric ball valve.
Preferably, a cleaning pipeline is communicated between the sampling main path and the multi-way joint I, a water inlet is formed in one end, far away from the sampling main path, of the cleaning pipeline, and an electric ball valve II is installed on the cleaning pipeline.
Preferably, each sampling power mechanism comprises a liquid pump and a filter, the sampling pool, the liquid pump and the filter are sequentially connected through pipelines, and a water outlet of the filter is connected with one end of the sampling branch facing the filter.
Preferably, a pressure relief pipe is communicated between each liquid pump and the filter, the other end of each pressure relief pipe is communicated with one sampling pool, and each pressure relief pipe is provided with a manual ball valve.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, through the mutual matching of the multi-way joint I, the sampling branches on the plurality of sampling power mechanisms, the sampling main and the monitoring system, the sampling branches with the same number as the plurality of sampling pools are communicated with the multi-way joint, so that the water quality in each sampling pool can be circulated into the monitoring system along the sampling power mechanisms, the sampling branches, the multi-way joint I and the sampling main for detection, and further the electric ball valve I on each sampling branch can be regulated and controlled to automatically monitor the water quality in each sampling pool step by step, the complicated and inconvenient process of manually monitoring the water quality is avoided, the cost of enterprises and operation units is greatly reduced, the real-time monitoring of the water quality is facilitated, the environmental protection risk is reduced, and the stable operation of a sewage treatment plant is ensured; and then through the mutual cooperation of the backflow main path, the multi-way joint II and the backflow branch paths communicated on each sampling pool, the electric ball valve III on the corresponding backflow branch path is opened, the detected water quality in the monitoring system can flow to the corresponding sampling pool along the backflow main path, the multi-way joint II and the backflow branch paths, the recovery of the detected water quality is facilitated, and the use of the device is facilitated.
2. According to the invention, through the mutual matching of the cleaning pipeline, the water inlet and the electric ball valve II, a water source is introduced into the water inlet, then the electric ball valve II is opened, water flowing in from the water inlet can clean the sampling main road and each sampling branch road along the cleaning pipeline, the condition that water quality samples in a plurality of sampling pools remain doped in the sampling main road is avoided, the cleanness of the interior of the sampling main road is ensured, and the monitoring system can accurately detect the water quality in each sampling pool.
3. According to the invention, through the mutual matching of the liquid pump and the filter, the liquid pump can pump the water quality sample in the sampling pool into the sampling branch for flowing, so that the stable transmission of the water quality sample is ensured; and the filter can filter some great impurities, has avoided the jam of pipeline.
4. According to the invention, through the mutual matching of the pressure relief pipe and the manual ball valve, the pressure generated in the operation process of the liquid pump can be relieved by opening the manual ball valve, so that the stable operation of the liquid pump is ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The labels in the figure are: 100. a monitoring system; 1. a sampling pool; 2. a sampling power mechanism; 3. a sampling branch circuit; 4. sampling a main path; 5. a first electric ball valve; 6. cleaning a pipeline; 7. a water inlet; 8. a second electric ball valve; 9. a reflux main path; 10. a reflux branch; 11. an electric ball valve III; 12. a liquid pump; 13. a filter; 14. a pressure relief pipe; 15. a manual ball valve.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1, an automatic step-by-step cyclic collection and monitoring system for water quality comprises a plurality of sampling pools 1 and a monitoring system 100 for monitoring the water quality in the sampling pools 1, wherein the monitoring system 100 is composed of a plurality of water quality detectors and can detect COD, ammonia nitrogen, Ph value, total phosphorus, total nitrogen, heavy metal nickel, hexavalent chromium, total mercury, lead, cadmium, copper, fluorine ions and the like, and the monitoring system 100 is the same as the prior art and is not described in detail herein;
a plurality of sampling pools 1 are all provided with sampling power mechanisms 2, one end, far away from the sampling pools 1, of each sampling power mechanism 2 is provided with a sampling branch 3, a sampling main 4 is communicated with a monitoring system 100, one end, far away from the monitoring system 100, of the sampling main 4 is communicated with a multi-way joint I, each other water gap of the multi-way joint I is correspondingly connected with one sampling branch 3 and communicated with the sampling branch, and an electric ball valve I5 is arranged between each sampling branch 3 and the multi-way joint I;
the water quality in a plurality of sampling pools 1 can be extracted through the sampling power mechanism 2 on each sampling pool 1, then flows through the sampling branch 3 connected on each sampling power mechanism 2, and then flows through the mutual matching of the first multi-way joint, the sampling branch 3 on a plurality of sampling power mechanisms 2, the sampling main 4 and the monitoring system 100, the sampling branch 3 with the same number as the plurality of sampling pools 1 are communicated with the first multi-way joint, so that the water quality in each sampling pool 1 can be circulated into the monitoring system 100 to be detected along the sampling power mechanism 2, the sampling branch 3, the first multi-way joint and the sampling main 4, and further the electric ball valve 5 on each sampling branch 3 can be regulated and controlled to automatically monitor the water quality in each sampling pool 1 step by step, thereby avoiding the situations of complicated flow and inconvenience of manual water quality monitoring, and greatly reducing the cost of enterprises and operation units, the water quality is convenient to monitor in real time, the environmental protection risk is reduced, and the stable operation of a sewage treatment plant is ensured;
a backflow mechanism used for enabling water quality monitored in the monitoring system 100 to flow back to the interior of each sampling pool 1 is arranged between the monitoring system 100 and the sampling pools 1, the backflow mechanism comprises a backflow main channel 9 communicated with the monitoring system 100, a multi-way joint II and a backflow branch 10 communicated with each sampling pool 1, one end, far away from the monitoring system 100, of the backflow main channel 9 is communicated with one water port on the multi-way joint II, and each other water port of the multi-way joint II is correspondingly connected with one backflow branch 10 and communicated with the backflow branch; each backflow branch 10 is provided with a third electric ball valve 11;
through the mutual cooperation of backward flow main route 9, lead to joint two and the backward flow branch road 10 of intercommunication on every sampling cell 1, open the electronic ball valve three 11 on the backward flow branch road 10 that corresponds, the quality of water that finishes that detects in the monitoring system 100 can be followed backward flow main route 9, lead to joint two and backward flow branch road 10 and circulate the inside to the sampling cell 1 that corresponds, is convenient for detect the recovery of quality of water, has made things convenient for the use of equipment.
Example 2
Referring to fig. 1, the embodiment 1 is further limited, a cleaning pipeline 6 is communicated between the sampling main channel 4 and the multi-way joint, a water inlet 7 is arranged at one end, far away from the sampling main channel 4, of the cleaning pipeline 6, and a second electric ball valve 8 is installed on the cleaning pipeline 6.
According to the invention, through the mutual matching of the cleaning pipeline 6, the water inlet 7 and the electric ball valve II 8, a water source is introduced into the water inlet 7, then the electric ball valve II 8 is opened, water flowing in from the water inlet 7 can clean the sampling main road 4 and each sampling branch 3 along the cleaning pipeline 6, the condition that water quality samples in a plurality of sampling pools 1 are doped in the sampling main road 4 is avoided, the cleanness of the interior of the sampling main road 4 is ensured, and the monitoring system 100 can conveniently and accurately detect the water quality in each sampling pool 1.
Example 3
Referring to fig. 1, it is further defined on the basis of embodiment 2 that each sampling power mechanism 2 includes an infusion pump 12 and a filter 13, the sampling pool 1, the infusion pump 12 and the filter 13 are connected in sequence through a pipeline, and a water outlet of the filter 13 is connected with one end of the sampling branch 3 facing the filter 13.
In the invention, through the mutual matching of the liquid pump 12 and the filter 13, the liquid pump 12 can pump the water sample in the sampling pool 1 into the sampling branch 3 for flowing, thereby ensuring the stable transmission of the water sample; and the filter 13 can filter some larger impurities, so that the blockage of the pipeline is avoided.
Example 4
Referring to fig. 1, it is further defined on the basis of embodiment 3 that a pressure relief pipe 14 is communicated between each liquid pump 12 and the filter 13, the other end of each pressure relief pipe 14 is communicated with one sampling pool 1, and a manual ball valve 15 is mounted on each pressure relief pipe 14.
In the invention, the pressure relief pipe 14 and the manual ball valve 15 are matched with each other, and the manual ball valve 15 is opened to relieve the pressure generated in the operation process of the liquid pump 12, so that the stable operation of the liquid pump 12 is ensured.

Claims (4)

1. An automatic step-by-step cyclic water quality acquisition and monitoring system comprises a plurality of sampling pools (1) and a monitoring system (100) for monitoring the water quality in the sampling pools (1), and is characterized in that;
the sampling devices (2) are arranged on the sampling pools (1), one end, far away from the sampling pools (1), of each sampling device (2) is provided with a sampling branch (3), the monitoring system (100) is communicated with a sampling main (4), one end, far away from the monitoring system (100), of each sampling main (4) is communicated with a multi-way joint I, each other water gap of the multi-way joint I is correspondingly connected with one sampling branch (3) and communicated with the sampling branch, and an electric ball valve I (5) is arranged between each sampling branch (3) and the multi-way joint I;
a backflow mechanism used for enabling water quality monitored in the monitoring system (100) to flow back to the interior of each sampling pool (1) is arranged between the monitoring system (100) and the sampling pools (1), the backflow mechanism comprises a backflow main path (9) communicated with the monitoring system (100), a multi-way joint II and backflow branch paths (10) communicated with the sampling pools (1), one end, far away from the monitoring system (100), of the backflow main path (9) is communicated with one water port in the multi-way joint II, and each other water port of the multi-way joint II is correspondingly connected with one backflow branch path (10) and communicated with the backflow branch path;
and an electric ball valve III (11) is arranged on each backflow branch (10).
2. The automatic step-by-step circulation acquisition and monitoring system for water quality as claimed in claim 1, wherein a cleaning pipeline (6) is communicated between the sampling main (4) and the first multi-way joint, a water inlet (7) is arranged at one end of the cleaning pipeline (6) far away from the sampling main (4), and a second electric ball valve (8) is arranged on the cleaning pipeline (6).
3. A water quality automatic step-by-step circulation acquisition monitoring system according to claim 2, wherein each sampling power mechanism (2) comprises a liquid pump (12) and a filter (13), the sampling pool (1), the liquid pump (12) and the filter (13) are sequentially connected through a pipeline, and a water outlet of the filter (13) is connected with one end of the sampling branch (3) facing the filter (13).
4. A water quality automatic step-by-step circulation acquisition and monitoring system according to claim 3, characterized in that a pressure relief pipe (14) is communicated between each liquid pump (12) and the filter (13), the other end of each pressure relief pipe (14) is communicated with one sampling pool (1), and a manual ball valve (15) is installed on each pressure relief pipe (14).
CN202110022597.XA 2021-01-08 2021-01-08 Automatic step-by-step cyclic collection and monitoring system for water quality Pending CN112857897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110022597.XA CN112857897A (en) 2021-01-08 2021-01-08 Automatic step-by-step cyclic collection and monitoring system for water quality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110022597.XA CN112857897A (en) 2021-01-08 2021-01-08 Automatic step-by-step cyclic collection and monitoring system for water quality

Publications (1)

Publication Number Publication Date
CN112857897A true CN112857897A (en) 2021-05-28

Family

ID=76005270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110022597.XA Pending CN112857897A (en) 2021-01-08 2021-01-08 Automatic step-by-step cyclic collection and monitoring system for water quality

Country Status (1)

Country Link
CN (1) CN112857897A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114894542A (en) * 2022-04-14 2022-08-12 浙江科海检测有限公司 Secondary automatic monitoring device and method for first-class pollutants in electroplating wastewater

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6021664A (en) * 1998-01-29 2000-02-08 The United States Of America As Represented By The Secretary Of The Interior Automated groundwater monitoring system and method
CN104849418A (en) * 2014-02-19 2015-08-19 厦门水贝自动化科技有限公司 Apparatus for synchronously detecting water quality parameters of pools
CN205139154U (en) * 2015-09-07 2016-04-06 徐志欣 Online automatic monitoring system of zinc
CN205209823U (en) * 2015-12-17 2016-05-04 重庆远通电子技术开发有限公司 Quality of water automatic sampling system of intaking of sewage factory
CN107621841A (en) * 2017-09-27 2018-01-23 钦州市创华工控设备有限公司 Large-scale waters monitoring cultivation water quality on-line control system
CN109001126A (en) * 2018-05-10 2018-12-14 刘煜 A kind of Analysis of Urea instrument and its analysis method
CN209894805U (en) * 2019-03-29 2020-01-03 南京市仪器仪表工业供销有限公司 Water quality monitoring pump valve aggregate unit
CN209894809U (en) * 2019-04-29 2020-01-03 南京市仪器仪表工业供销有限公司 Water quality monitoring one-machine multi-measurement device
CN210119489U (en) * 2019-03-18 2020-02-28 天津云杨科技有限公司 Content detection device of inside water for water purification machine
CN211527944U (en) * 2020-02-21 2020-09-18 北京万维盈创科技发展有限公司 Water quality monitoring preprocessing device and water quality monitoring system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6021664A (en) * 1998-01-29 2000-02-08 The United States Of America As Represented By The Secretary Of The Interior Automated groundwater monitoring system and method
CN104849418A (en) * 2014-02-19 2015-08-19 厦门水贝自动化科技有限公司 Apparatus for synchronously detecting water quality parameters of pools
CN205139154U (en) * 2015-09-07 2016-04-06 徐志欣 Online automatic monitoring system of zinc
CN205209823U (en) * 2015-12-17 2016-05-04 重庆远通电子技术开发有限公司 Quality of water automatic sampling system of intaking of sewage factory
CN107621841A (en) * 2017-09-27 2018-01-23 钦州市创华工控设备有限公司 Large-scale waters monitoring cultivation water quality on-line control system
CN109001126A (en) * 2018-05-10 2018-12-14 刘煜 A kind of Analysis of Urea instrument and its analysis method
CN210119489U (en) * 2019-03-18 2020-02-28 天津云杨科技有限公司 Content detection device of inside water for water purification machine
CN209894805U (en) * 2019-03-29 2020-01-03 南京市仪器仪表工业供销有限公司 Water quality monitoring pump valve aggregate unit
CN209894809U (en) * 2019-04-29 2020-01-03 南京市仪器仪表工业供销有限公司 Water quality monitoring one-machine multi-measurement device
CN211527944U (en) * 2020-02-21 2020-09-18 北京万维盈创科技发展有限公司 Water quality monitoring preprocessing device and water quality monitoring system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114894542A (en) * 2022-04-14 2022-08-12 浙江科海检测有限公司 Secondary automatic monitoring device and method for first-class pollutants in electroplating wastewater

Similar Documents

Publication Publication Date Title
CN112857897A (en) Automatic step-by-step cyclic collection and monitoring system for water quality
CN204079720U (en) Based on the Intelligent sewage Monitoring systems that automatic-discharging controls
CN110672383A (en) Negative pressure water absorption type automatic sampler
CN211718266U (en) A water quality testing subassembly for wisdom garden
CN109932198B (en) Circulating water supply system for water purifier testing
CN102749430B (en) Waste water monitoring device, system and method
CN214004213U (en) Water quality monitoring equipment
CN203376336U (en) Phosphorus and fluorine content on-line testing analysis meter
CN208719533U (en) A kind of automatic control electromagnetic valve
CN209727924U (en) A kind of one-piece type water quality monitoring system of miniaturization multiple groups part
CN108996731B (en) Water-saving multistage RO filtration system
CN219065446U (en) Denitrification filter tank detection device and sewage denitrification treatment system
CN217555970U (en) Detection water recycling device of pipeline direct drinking water system
CN214585189U (en) Liquid concentration detection system
CN213843232U (en) Industrial wastewater discharge automatic monitoring device
CN114894542A (en) Secondary automatic monitoring device and method for first-class pollutants in electroplating wastewater
CN220603042U (en) Multichannel distribution measurement system for water quality analysis
CN213627568U (en) Automatic trapping device for gas in deep geothermal water
CN221238718U (en) Soil gas sampler
CN205506733U (en) Intelligent building water quality testing system
CN216082463U (en) Alcohol solution physicochemical property detection system
CN217490085U (en) Sewage steam stripping pretreatment device
CN214703593U (en) Real-time water quality monitoring early warning device
CN218822492U (en) Outdoor miniature water station five-parameter on-line monitoring equipment
CN214005883U (en) Rain and sewage online monitoring and emergency treatment discharge system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination