CN214201419U - Nine miniature quality of water automatic monitoring cabinets of parameter of integral type - Google Patents
Nine miniature quality of water automatic monitoring cabinets of parameter of integral type Download PDFInfo
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- CN214201419U CN214201419U CN202022457691.1U CN202022457691U CN214201419U CN 214201419 U CN214201419 U CN 214201419U CN 202022457691 U CN202022457691 U CN 202022457691U CN 214201419 U CN214201419 U CN 214201419U
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Abstract
The utility model provides an integral nine-parameter miniature automatic water quality monitoring cabinet, which comprises a cabinet body, a control unit, a water collecting and draining device, a water tank, a water quality conventional five-parameter monitoring sensor, a COD analyzer, an ammonia nitrogen analyzer, a total phosphorus analyzer and a total nitrogen analyzer, wherein the water collecting and draining device is communicated with the water tank; the control unit comprises an upper computer and a PLC (programmable logic controller), wherein the upper computer is respectively connected with the PLC, the water quality conventional five-parameter monitoring sensor, the COD (chemical oxygen demand) analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer in a communication manner, and the PLC is connected with the water sampling and drainage device, the water quality conventional five-parameter monitoring sensor, the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer in an electric connection manner.
Description
Technical Field
The utility model relates to a water quality monitoring equipment, specific theory has related to a nine miniature water quality automatic monitoring cabinets of parameter of integral type.
Background
In the river section water environment or pollution source water quality on-line monitoring project, monitored water body parameters mainly comprise nine water quality factors such as water quality conventional five parameters (temperature, pH, turbidity, conductivity and dissolved oxygen) and permanganate index or Chemical Oxygen Demand (COD), ammonia nitrogen, total phosphorus, total nitrogen and the like, and sometimes monitoring parameters such as heavy metals, volatile organic compounds, chlorophyll and the like can be expanded according to actual conditions. The monitoring mode needs to select a site to land, then a standard station house with large floor area is built, the area is generally 8-12 square, after the station house is built, some matched infrastructure such as air conditioners, experiment tables and the like are installed, then core hardware equipment such as a water quality on-line monitor, a data acquisition instrument and the like are installed and debugged, and sometimes a specially-assigned person needs to be arranged in the station house for watching, so that the area of the station house is larger, the fund amount required for the station house construction is larger, a large number of monitoring point positions are difficult to arrange, and the pollution source tracing analysis is not facilitated. In addition, after the water quality monitoring station is built, the station house is difficult to move, and even if the monitoring point is replaced, a large amount of manpower, time, fund and the like are required.
In order to solve the above problems, people are always seeking an ideal technical solution.
Disclosure of Invention
The utility model aims at the not enough of prior art to a nine miniature quality of water automatic monitoring cabinets of parameter of integral type is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: an integrated nine-parameter miniature automatic water quality monitoring cabinet comprises a cabinet body, wherein a control unit, a water collecting and discharging device, a water tank, a water quality conventional five-parameter monitoring sensor, a COD analyzer, an ammonia nitrogen analyzer, a total phosphorus analyzer and a total nitrogen analyzer are arranged in the cabinet body, the water collecting and discharging device is communicated with the water tank through a water guide pipe, sampling ports of the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer are respectively communicated with the water tank through water guide pipes, and the water quality conventional five-parameter monitoring sensor is arranged in the water tank; the control unit comprises an upper computer and a PLC (programmable logic controller), wherein the upper computer is respectively connected with the PLC, the water quality conventional five-parameter monitoring sensor, the COD (chemical oxygen demand) analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer in a communication manner, and the PLC is connected with the water sampling and drainage device, the water quality conventional five-parameter monitoring sensor, the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer in an electric connection manner.
Based on the above, the water sampling and discharging device comprises a self-sucking pump and an electric ball valve, one end of the self-sucking pump is communicated with the water inlet of the water tank through a water guide pipe, and the other end of the self-sucking pump is communicated with the water guide pipe extending out of the cabinet body; the electric ball valve is arranged at a water outlet of the water tank, the electric ball valve is communicated with a water guide pipe with one end extending out of the cabinet body, and the electric ball valve and the self-priming pump are electrically connected with the PLC.
Based on the above, cabinet body inside bottom is provided with a plurality of waste liquid buckets and waste water bucket, COD analysis appearance, ammonia nitrogen analysis appearance, total phosphorus analysis appearance and total nitrogen analysis appearance's outlet respectively through the aqueduct with the waste water bucket is connected, COD analysis appearance, ammonia nitrogen analysis appearance, total phosphorus analysis appearance and total nitrogen analysis appearance's leakage fluid dram respectively through the catheter with the waste liquid bucket is connected.
Based on the above, still include the washing air pump, the washing air pump pass through the air duct with the water tank intercommunication, the washing air pump with the PLC electricity is connected.
Based on the above, the cabinet body is also internally provided with a vertical clapboard used for dividing the cabinet body into a left part and a right part, the left side of the cabinet body is provided with two transverse clapboards which divide the left side of the cabinet body into a main control area of the cabinet body, a water quality five-parameter measuring area and a waste water storage area from top to bottom, the right side of the cabinet body is provided with a transverse clapboard which divides the right side of the cabinet body into a national standard measuring area and a waste liquid storage area from top to bottom, the control unit is arranged in the main control area of the cabinet body, the water tank, the self-sucking pump and the cleaning air pump are arranged in the water quality five-parameter measuring area, the waste water bucket is placed in the waste water storage area, the COD analysis appearance, ammonia nitrogen analysis appearance, total phosphorus analysis appearance and total nitrogen analysis appearance are placed in the national standard measuring area, the waste liquid bucket is placed in the waste liquid storage area.
On the basis, a plurality of through holes are formed in the cabinet body and used for accommodating the water guide pipe, the air guide pipe, the liquid guide pipe and a power line for supplying power.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model provides a nine parameter miniature quality of water automatic monitoring cabinets of integral type, nine quality of water factors of different waters can effectively be monitored to this automatic monitoring cabinet, mainly include the conventional five ginseng of quality of water (temperature, pH, conductivity, turbidity, dissolved oxygen) and permanganate index or Chemical Oxygen Demand (COD), ammonia nitrogen, total phosphorus, total nitrogen, can also be according to the practical application scene, replace or increase and decrease the monitoring factor, like increase monitoring factors such as chlorophyll, blue-green algae. In the construction process, station houses do not need to be built, and only after the positions are selected, the construction of foundation facilities such as a foundation plane and the like is completed, so that the construction period is short; on site, simple operations such as reagent installation, debugging, water collecting and guiding pipeline installation outside the system and the like are only needed, and the installation and the debugging are very convenient; and after the system is installed and operated, the monitoring point position of the integrated nine-parameter miniature automatic monitoring system can be changed at low cost according to the field application requirements.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a front layout of the cabinet of the present invention.
Fig. 3 is a layout view of the back of the cabinet of the present invention.
In the figure: 1. a cabinet body; 2. a control unit; 3. a water tank; 4. a water quality conventional five-parameter monitoring sensor; 5, a COD analyzer; 6. an ammonia nitrogen analyzer; 7. a total phosphorus analyzer; 8. a total nitrogen analyzer; 9. a self-priming pump; 10. an electric ball valve; 11. a waste water tank; 12. a waste water tank; 13. a waste liquid barrel; 14. a waste liquid barrel.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1, an integrated nine-parameter micro automatic water quality monitoring cabinet comprises a cabinet body 1, wherein a control unit 2, a water collecting and draining device, a water tank 3, a water quality routine five-parameter monitoring sensor 4, a COD analyzer 5, an ammonia nitrogen analyzer 6, a total phosphorus analyzer 7 and a total nitrogen analyzer 8 are arranged in the cabinet body 1, and preferably, the water tank 3 is a stainless steel water tank; the water collecting and discharging device is communicated with the water tank 3 through a water guide pipe, a water inlet of the water tank 3 is communicated with the water collecting and discharging device through a water guide pipe, and sampling ports of the COD analyzer 5, the ammonia nitrogen analyzer 6, the total phosphorus analyzer 7 and the total nitrogen analyzer 8 are respectively communicated with the water tank 3 through water guide pipes; preferably, the water quality routine five-parameter monitoring sensor 4 is an integrated water quality five-parameter sensor, and the integrated water quality five-parameter sensor is arranged in the water tank 3; a water quality conventional five-parameter monitoring sensor 4 is also arranged in the water tank 3, and the water sampling and discharging device is a self-sucking pump; the control unit 2 comprises an upper computer and a PLC (programmable logic controller), wherein the upper computer is respectively connected with the PLC, the water quality conventional five-parameter monitoring sensor 4, the COD (chemical oxygen demand) analyzer 5, the ammonia nitrogen analyzer 6, the total phosphorus analyzer 7 and the total nitrogen analyzer 8 in communication connection, and the PLC is connected with the water collecting and draining device, the water quality conventional five-parameter monitoring sensor 4, the COD analyzer 5, the ammonia nitrogen analyzer 6, the total phosphorus analyzer 7 and the total nitrogen analyzer 8 in an electric connection mode.
Furthermore, a liquid level sensor used for collecting the water level in the water tank is arranged in the water tank 3, and the liquid level sensor is electrically connected with the PLC.
The integrated nine-parameter miniature automatic monitoring system cabinet can effectively monitor nine water quality factors of different water bodies, mainly comprises water quality conventional five-ginseng (temperature, pH, conductivity, turbidity and dissolved oxygen) and permanganate index or Chemical Oxygen Demand (COD), ammonia nitrogen, total phosphorus and total nitrogen, and can replace or increase or decrease the monitoring factors according to practical application scenes, such as adding monitoring factors such as chlorophyll and blue-green algae. In the construction process, station houses do not need to be built, and only after the positions are selected, the construction of foundation facilities such as a foundation plane and the like is completed, so that the construction period is short; and after installation and operation, the integrated nine-parameter miniature automatic monitoring system cabinet can be subjected to monitoring point location replacement at lower cost according to field application requirements.
Preferably, the bottom of the integrated nine-parameter miniature automatic monitoring system cabinet is also provided with traveling wheels, so that the monitoring point positions can be conveniently replaced.
Specifically, the water sampling and discharging device comprises a self-sucking pump 9 and an electric ball valve 10, one end of the self-sucking pump 9 is communicated with a water inlet of the water tank 3 through a water guide pipe, and the other end of the self-sucking pump 9 is communicated with the water guide pipe extending out of the cabinet body 1; the electric ball valve 10 is arranged at a water outlet of the water tank 3, the electric ball valve 10 extends out of a water guide pipe of the cabinet body 1 with one end, and the electric ball valve 10 and the self-priming pump 9 are electrically connected with the PLC. In the specific implementation process, the water in the water tank 3 is directly discharged into the river through the electric ball valve 10.
In the specific implementation process, the cabinet body 1 is internally provided with a plurality of waste water barrels (11, 12) and a plurality of waste liquid barrels (13, 14), the water outlets of the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer are respectively connected with the waste water barrels (11, 12) through water guide pipes, and the liquid outlets of the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer are respectively connected with the waste liquid barrels (13, 14) through liquid guide pipes.
The waste water barrels (11, 12) are arranged, so that waste water detected by the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer cannot be discharged everywhere, and the environment is kept clean; the waste liquid barrels (13, 14) are arranged, so that waste liquid generated after chemical reaction in the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer cannot be discharged everywhere, and the environment cannot be polluted; when the waste water barrels (11, 12) and/or the waste liquid barrels (13, 14) are full of liquid, the integrated nine-parameter micro automatic water quality monitoring cabinet is opened, and the waste water barrels (11, 12) and/or the waste liquid barrels (13, 14) are taken out and handed to a professional organization for treatment.
Because the water sample that awaits measuring deposits certain dirt easily in water tank 3, needs personnel's regular cleaning fortune dimension, further increased the cost, consequently, for solving this problem, this application still include the washing air pump in the nine parameter miniature quality of water automatic monitoring cabinets of integral type, the washing air pump pass through the air duct with 3 intercommunications of water tank, the washing air pump with the PLC electricity is connected.
When the water tank 3 needs to be cleaned, the upper computer sends a control instruction to the PLC, and the PLC receives the control instruction and sends a cleaning execution instruction to the cleaning air pump so as to control the cleaning air pump to work and clean the water tank 3.
It can be understood that be provided with power module, local memory and time-recorder in the nine miniature quality of water automatic monitoring cabinets of integral type, power module be used for to the nine miniature quality of water automatic monitoring cabinets of integral type power supply, local memory is used for the storage monitoring result, the time-recorder is used for timing.
It can be understood that, in order to satisfy needs remote monitoring needs, still be provided with transmission module in the nine parameter miniature quality of water automatic monitoring cabinets of integral type, transmission module connects respectively host computer and online supervision platform. Nine miniature quality of water automatic monitoring cabinets of parameter of integral type are when gathering, handling the quality of water data at scene, simultaneously through wired optic fibre or 3G 4G wireless network communication module, and the quality of water data transmission who will gather is handled and is demonstrateed to appointed big data monitoring platform of quality of water, and law enforcement personnel can in time judge the quality of water pollution condition according to platform information, to emergency such as water pollution, in time make effectual reply scheme.
The working principle of the utility model is as follows: the integrated nine-parameter automatic water quality monitoring cabinet is characterized in that preset upper computer software is pre-installed in the upper computer, before the integrated nine-parameter automatic water quality monitoring cabinet is used, the upper computer software checks whether the states of all modules of the integrated nine-parameter automatic water quality monitoring cabinet are normal or not, and if the states of all modules are normal, the upper computer software starts to execute a detection instruction.
Host computer software sends the instruction of adopting water for PLC, PLC receives the instruction of adopting water after, control with the electrical attraction on the relay that the self priming pump is connected, self priming pump circular telegram begins the operation and draws water, draws water the water sample in the water tank, at the in-process of drawing water, PLC gathers level sensor's in the water tank 3 data works as when the liquid level of water tank 3 reaches the setting value, PLC feedback draws water the end information and gives host computer software, host computer software receives after drawing water the end information, sends and stops the instruction of drawing water for PLC, PLC receives after stopping the instruction of drawing water, control with the relay that the self priming pump is connected falls the power failure disconnection, the self priming pump stops the operation, and the water collection is ended.
And then, the upper computer software sends a standing instruction to the PLC, the PLC controls the clock unit to start timing, when the timing reaches a set time, the PLC feeds back standing finishing information to the upper computer software, and the upper computer software starts to execute the next step after receiving the standing finishing information.
Next, the upper computer software sends acquired data to the PLC, the PLC receives an acquired data instruction, acquires basic monitoring data of the water quality routine five-parameter monitoring sensor 4, stores the acquired basic monitoring data in the memory, controls the COD analyzer 5, the ammonia nitrogen analyzer 6, the total phosphorus analyzer 7 and the total nitrogen analyzer 8 to start sampling detection, and stores the acquired national standard monitoring data in the memory; the PLC integrally sends the acquired basic monitoring data and the national standard monitoring data to the upper computer software, and the upper computer software processes and displays the data after receiving the acquired data.
And the upper computer software packages the data at the same time and sends the data to a specified online supervision platform for display through a wired optical fiber or a 3G/4G wireless transmission module.
Then, host computer software sends the washing instruction give PLC, PLC receives the washing instruction after, control with the electrical actuation on the relay that the purge gas pump is connected, the purge gas pump circular telegram begins to blow, washs the water tank, after wasing, PLC sends and washs the end information and gives host computer software, host computer software receives and washs after the end information, sends and washs the end instruction and gives PLC, PLC receives and washs the end instruction, control with the relay that the purge gas pump is connected cuts off the power supply and breaks off, the purge gas pump cuts off the power supply and stops blowing.
Then, the upper computer software sends a drainage instruction to the PLC, after receiving the drainage instruction, the PLC controls a relay connected with the electric ball valve 10 of the water tank 3 to be powered on in an attraction mode, the electric ball valve 10 is powered on and opened to start drainage, after the water in the water tank 3 is drained, the PLC sends a drainage ending signal to the upper computer software, after receiving drainage ending information, the upper computer software sends a drainage stopping instruction to the PLC, the PLC receives the drainage stopping instruction to control the relay connected with the electric ball valve 10 to be powered off and disconnected, and the electric ball valve 10 is powered off and closed.
When the COD analyzer 5, the ammonia nitrogen analyzer 6, the total phosphorus analyzer 7 and the total nitrogen analyzer 8 are required to discharge waste water and waste liquid, the COD analyzer 5, the ammonia nitrogen analyzer 6, the total phosphorus analyzer 7 and the total nitrogen analyzer 8 are controlled to be opened by a drain valve and a drain valve which are arranged on the waste water and waste liquid.
And when the automatic detection task is completed, waiting for the next detection instruction of the system upper computer software to execute the automatic detection action again, and circularly and repeatedly executing the automatic detection action according to the working steps.
So far, a complete process of the whole integrated nine-parameter automatic miniature water quality monitoring cabinet is completed, and the process mainly comprises water collection, standing precipitation, data acquisition, data processing, data display, data transmission, cleaning, water drainage and the like. Then, the system enters a waiting state, and the system starts to repeatedly execute a new process at the next set time point.
Example 2
The embodiment provides a mounting position structure: as shown in fig. 2 and 3, a vertical partition board for dividing the cabinet body 1 into a left part and a right part is arranged in the cabinet body 1, two transverse partition boards are arranged on the left side of the cabinet body 1, the left side of the cabinet body 1 is divided into a main cabinet body control area, a water quality five-parameter measurement area and a waste water storage area from top to bottom by the two transverse partition boards, a transverse partition board is arranged on the right side of the cabinet body 1, the right side of the cabinet body 1 is divided into a national standard measurement area and a waste water storage area from top to bottom by the transverse partition boards, the control unit 2 is arranged in the main cabinet body control area, the water tank 3, the self-priming pump and the cleaning air pump are arranged in the water quality five-parameter measurement area, the waste water buckets (11, 12) are arranged in the waste water storage area, the COD analyzer 5, the ammonia nitrogen analyzer 6, the total phosphorus analyzer 7 and the total nitrogen analyzer 8 are arranged in the national standard measurement area, the waste liquid buckets (13, 14) are placed in the waste liquid storage areas.
The cabinet body is provided with a plurality of through holes, and the through holes are used for accommodating the water guide pipe, the air guide pipe, the liquid guide pipe and a power line for supplying power.
The cabinet body corresponds cabinet body main control district, quality of water five-parameter measuring district, waste water storage area, national standard measuring district and waste liquid storage area and is provided with preceding cabinet door and back cabinet door respectively to conveniently carry out the installation and the change of cabinet body internal component.
The outer side of the cabinet body is further provided with a human-computer interaction device, preferably, the human-computer interaction device is installed on a front cabinet door corresponding to the main control area of the cabinet body, and the human-computer interaction device is connected with the upper computer and used for displaying a monitoring result.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (9)
1. The utility model provides a nine miniature water quality automatic monitoring cabinets of parameter of integral type which characterized in that: the intelligent water quality monitoring system comprises a cabinet body, wherein a control unit, a water collecting and discharging device, a water tank, a water quality conventional five-parameter monitoring sensor, a COD (chemical oxygen demand) analyzer, an ammonia nitrogen analyzer, a total phosphorus analyzer and a total nitrogen analyzer are arranged in the cabinet body, the water collecting and discharging device is communicated with the water tank through a water guide pipe, sampling ports of the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer are respectively communicated with the water tank through the water guide pipe, and the water quality conventional five-parameter monitoring sensor is arranged in the water tank; the control unit comprises an upper computer and a PLC (programmable logic controller), wherein the upper computer is respectively connected with the PLC, the water quality conventional five-parameter monitoring sensor, the COD (chemical oxygen demand) analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer in a communication manner, and the PLC is connected with the water sampling and drainage device, the water quality conventional five-parameter monitoring sensor, the COD analyzer, the ammonia nitrogen analyzer, the total phosphorus analyzer and the total nitrogen analyzer in an electric connection manner.
2. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 1, characterized in that: the water collecting and discharging device comprises a self-sucking pump and an electric ball valve, one end of the self-sucking pump is communicated with a water inlet of the water tank through a water guide pipe, and the other end of the self-sucking pump is communicated with the water guide pipe extending out of the cabinet body; the electric ball valve is arranged at a water outlet of the water tank, the electric ball valve is communicated with a water guide pipe with one end extending out of the cabinet body, and the electric ball valve and the self-priming pump are electrically connected with the PLC.
3. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 2, characterized in that: the internal bottom of cabinet is provided with a plurality of waste liquid buckets and waste water bucket, COD analysis appearance, ammonia nitrogen analysis appearance, total phosphorus analysis appearance and the outlet of total nitrogen analysis appearance respectively through the aqueduct with the waste water bucket is connected, COD analysis appearance, ammonia nitrogen analysis appearance, total phosphorus analysis appearance and the leakage fluid dram of total nitrogen analysis appearance respectively through the catheter with the waste liquid bucket is connected.
4. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 3, characterized in that: the washing air pump is communicated with the water tank through an air guide pipe and is electrically connected with the PLC.
5. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 4, characterized in that: the cabinet is internal still be provided with be used for with the cabinet body is cut apart into the perpendicular baffle of left and right sides two parts, cabinet body left side is provided with two cross slabs, two cross slabs will cabinet body left side is from last to cut apart into cabinet body main control district, quality of water five-parameter measurement district and waste water storage area down, cabinet body right side is provided with a cross slab, the cross slab will cabinet body right side is from last to cut apart into national standard measurement district and waste liquid storage area down, the control unit is placed cabinet body main control district, the water tank, self priming pump and the scavenging air pump is placed quality of water five-parameter measurement district, the waste water bucket is placed the waste water storage area, COD analysis appearance ammonia nitrogen analysis appearance total phosphorus analysis appearance and total nitrogen analysis appearance are placed national standard measurement district, the waste liquid bucket is placed the waste liquid storage area.
6. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 4, characterized in that: the cabinet body is provided with a plurality of through holes, and the through holes are used for accommodating the water guide pipe, the air guide pipe, the liquid guide pipe and a power line for supplying power.
7. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 1, characterized in that: and a man-machine interaction device is further arranged on the outer side of the cabinet body and connected with the upper computer for displaying a monitoring result.
8. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 1, characterized in that: the online monitoring system further comprises a transmission module, and the transmission module is respectively connected with the upper computer and the online monitoring platform.
9. The integrated nine-parameter micro automatic water quality monitoring cabinet according to claim 1, characterized in that: and a liquid level sensor is arranged in the water tank and is electrically connected with the PLC.
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| CN202022457691.1U CN214201419U (en) | 2020-10-29 | 2020-10-29 | Nine miniature quality of water automatic monitoring cabinets of parameter of integral type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114660255A (en) * | 2022-04-06 | 2022-06-24 | 山东中节能天融环保技术有限公司 | Method for tracing and analyzing pollution source by using micro-station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114660255A (en) * | 2022-04-06 | 2022-06-24 | 山东中节能天融环保技术有限公司 | Method for tracing and analyzing pollution source by using micro-station |
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