DR-901 fixed online water quality automatic monitoring station
Introduction: Our standard online water quality automatic monitoring station takes online automatic analysis instruments as the core, comprehensively uses automatic monitoring technology, automatic control technology, and computer application technology to meet the needs of environmental monitoring and urban management through a dedicated data management platform and communication network. Application areas: Water quality monitoring and early warning of drinking water sources Surface water administrative handover section water quality monitoring Pollution source emission and pollutant emission reduction monitoring Water monitoring of key lakes, wetlands, rivers, etc. Features: 1. The design standards meet the national technical requirements for surface water; 2. Modular design, strong station model selection and good versatility; 3. Good compatibility, can be adapted to various water body monitoring programs to ensure that the monitoring requirements are met; 4. The measurement principle of the automatic monitoring instrument conforms to the national standard and the analysis method of China's environmental protection industry; 5. The advanced design concept of grit tank and measuring tank ensure the stability and accuracy of monitoring data; 6. The data management software platform has a good man-machine interface, strong versatility, strong scalability, convenient maintenance, and stable operation. Function module configuration: 1 Water collection unit It is mainly composed of water collection structures, water collection pumps, water collection pipelines, anti-clogging devices, thermal insulation supporting devices, pipeline backwashing devices, etc. A variety of water harvesting methods such as trestle bridge, pontoon and floating ball can be provided. Double pumps and double pipelines to collect water, one for use and one for equipment to meet the continuous monitoring requirements. 2 Water distribution unit According to different parameter requirements, different pretreatment processes are adopted, including coarse filtration, multi-stage precipitation, precision membrane filtration, ultrasonic homogenization, backflush cleaning, physical and chemical methods of algae removal, etc. 3 Quality control unit It can complete the calibration of permanganate index, ammonia nitrogen, total phosphorus, total nitrogen automatic analyzer, standard sample (blind sample) test, standard recovery rate, parallel sample determination, blank test and other quality control tests to achieve repeatability, Accuracy automatic verification function. 4 Retention unit It can accept on-site industrial computer control, integrate with online monitors, and coordinate work. When there is abnormal detection or special sample retention requirements, it can automatically retain samples, automatically add fixatives, and automatically seal the bottle mouth. 5 Analysis and detection unit It is composed of automatic analysis instruments and auxiliary equipment that meet the requirements of various monitoring items. The monitoring parameters are: conventional five parameters, chlorophyll A, blue-green algae, permanganate index, ammonia nitrogen, total phosphorus, total nitrogen, etc. 6 Data acquisition and control unit The use of industrial computer and PLC system to realize the pretreatment control of the entire online water quality monitoring system, algae removal control, instrument data collection and storage, and system operating status monitoring functions. 7 Data transmission unit Mainly wired transmission such as optical fiber and ADSL, supplemented by wireless transmission such as GPRS, complete remote data transmission and communication. At the same time, it is equipped with wireless 3G/4G internet equipment for remote desktop maintenance and wireless data transmission. 8 auxiliary unit Including UPS power supply, stabilized power supply, reagent refrigerator, lightning protection unit, waste liquid unit, station access control system, video monitoring, temperature and humidity control equipment, fire extinguishing alarm device and other parts. Technical index: Water temperature, salinity, dissolved oxygen, turbidity, pH/ORP, oil in water, chlorophyll, blue-green algae, total nitrogen, total phosphorus, ammonia nitrogen, CODMn, CODCr, nitrate, nitrite, phosphate, silicate, Lead, cadmium, copper, zinc, mercury, manganese, nickel, biological toxicity and other parameters.
Introduction: Our standard online water quality automatic monitoring station takes online automatic analysis instruments as the core, comprehensively uses automatic monitoring technology, automatic control technology, and computer application technology to meet the needs of environmental monitoring and urban management through a dedicated data management platform and communication network. Application areas: Water quality monitoring and early warning of drinking water sources Surface water administrative handover section water quality monitoring Pollution source emission and pollutant emission reduction monitoring Water monitoring of key lakes, wetlands, rivers, etc.
