One Enterprise, One Pipe of Industrial Sewage Online Monitoring Solution
The "one enterprise, one management" model is the core strategy of sewage treatment in industrial parks, aiming to achieve precise control of pollution sources through the combination of independent sewage pipelines and online monitoring systems of enterprises. This model effectively solves the problems of illegal discharge and leakage in the traditional mixed discharge mode, such as the difficulty of traceability and the impact of water quality on sewage treatment plants. Under the "one enterprise, one management" model, each enterprise is required to build a special sewage pipeline separately and connect to centralized treatment facilities. However, in practice, it faces the following pain points:
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It is difficult to trace the leakage of leaks
Enterprises intermittently exceeded the standard emissions, and the timeliness of manual sampling was insufficient, making it difficult to lock in the pollution source; -
The risk of water quality impact is high
Chemical and electroplating enterprises emit heavy metals or high concentrations of organic matter, which can easily lead to the collapse of the sewage treatment process after mixing;
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Cross-contamination of pipe networks
Pipeline rupture or leakage leads to sewage flow between enterprises, making it difficult to define liability; -
Insufficient equipment stability
Highly corrosive media (e.g., pH 1~14, chloride ions > 10,000mg/L) accelerate sensor losses, and traditional equipment has a short lifespan.
It is clear that "one enterprise, one management" must be equipped with online monitoring equipment, and the data must be uploaded to the provincial ecological cloud platform in real time.
"Regulations on the Administration of Pollutant Discharge Permits"It is stipulated that if the indicators of COD, ammonia nitrogen, and heavy metals at the emission of enterprises exceed the standard, the "daily penalty" will be triggered.
"2024 Innovative Application Plan for Intelligent Monitoring of Ecological Environment"It is required to achieve full coverage of industrial park monitoring data blockchain storage by 2025.
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Indicators |
Regulatory value |
Process value |
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COD/Ammonia nitrogen |
The core basis for approving pollutant discharge fees and environmental protection taxes |
Warning of insufficient carbon source or toxicity inhibits biochemical reactions |
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Heavy metal ions |
Trace the illegal emissions of electroplating and metallurgical enterprises |
Control the dosage of coagulant to prevent sludge poisoning |
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Pipe network pH mutation |
Illegal dumping of pickling wastewater was found |
Avoid pH shock that can lead to the death of the treatment plant's flora |
Monitoring end
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Core parameters
Conventional indicators: COD, ammonia nitrogen, pH, conductivity, flow rate;Characteristic pollutants: heavy metals (copper, nickel, chromium, etc.), fluoride, cyanide, etc.; -
Access control system + three-level management authority
Swipe card access control function, with door opening and closing status record;The monitoring instrument has three-level management authority to ensure data security.
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Data-instrument linkage
Establish a correlation model between the production cycle, water consumption, and pollutant concentration of the enterprise, and immediately activate the following mechanisms when abnormalities are found:
• Trigger the sampler to retain the sample (low-temperature sample retention cabinet -4°C for 30 days);
• Generate an Excess Emission Evidence Report (including timestamps, hashes, and video clips). -
Water quality impact early warning system
Based on big data analysis, predict the inlet load in the next 2 hours, and when the water quality is abnormal:
• Automatically open the emergency adjustment pool;
• Push early warning information and process adjustment suggestions to the treatment plant.
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High precision measurement
• Measurement range: pH 0~14, resolution up to 0.01 pH, accuracy ± 0.1 pH;
• Temperature compensation: Integrated Pt1000 temperature sensor, support automatic temperature compensation, compensation range -20°C~120°C, eliminate temperature drift error. -
Anti-interference and durability
• Electrode material: special pH-sensitive membrane (anti-H⁺ polarization effect), reference electrode with double salt bridge structure, resistant to high concentration of HF, sulfide and other corrosive media.
• Protection design: IP68 protection level, pressure resistance up to 10 bar, can adapt to high pressure conditions.
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Range coverage
0~2000 mS/cm, built-in high-precision temperature linear compensation function; -
Environmental adaptability
The wetted parts of the sensor are made of PP, PFA and other anti-corrosion materials, which can withstand strong acids, alkalis, organic solvents, etc.
PCM200-CODcr
PCM200-NH3N
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Strong environmental applicability
The ten-way valve of sapphire valve spool has high wear resistance coefficient, strong acid and alkali resistance, organic solvent resistance, strong service life, and high stability. -
Flexible range settings
Dynamic dilution function, which can automatically adjust the dilution factor according to the range set on site; -
Powerful quality control function
It has built-in quality control functions such as spike recovery, blank test, standard sample verification, zero point verification, span verification, parallel sample testing, etc., and can realize automatic, manual, remote and other ways to start quality control functions;
The platform integrates real-time water quality monitoring and early warning functions of treatment plant load on the equipment side to achieve accurate traceability of pollution sources and full life cycle tracking. Combined with the abnormal emission identification engine, it can quickly identify illegal discharge behavior and generate a compliance evidence chain, empowering regulatory authorities to "one-click penetrating" law enforcement, simultaneously reducing enterprise operation and maintenance costs by more than 30%, and achieving a double improvement in regulatory efficiency and pollution control efficiency.
An industrial zone in Nanping City

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400-691-3118
Address: 4th Floor, Industrial Building, No. 170 Jinyan Road, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province
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