Online water quality detector as a continuous monitoring of water quality equipment, can measure various parameters of water quality. Such as pH, temperature, dissolved oxygen, turbidity, conductivity, ammonia nitrogen, total phosphorus, total nitrogen, etc. ; at the same time, its application is also very extensive, which can be used in drinking water treatment, aquaculture, industrial sewage and river and lake water monitoring.
Requirements for installation environment of online water quality monitor:
1. The installation position and reserved space shall be reasonable and convenient for operators to use, maintain and calibrate;2 The installation site shall be equipped with lightning protection, anti-theft and vandalism prevention facilities, and the lightning protection level shall not be lower than Level 3;
3 The installation environment shall be free of electromagnetic interference.
Installation requirements for shunt monitoring and sampling device:
1. Hard pipes should be used, the pipeline should be short and straight, the retention time of water sample in the pipeline should not be more than 15min, and anti-freezing and anti-icing measures should be taken; Pipeline fixing device shall be set; The backwash water inlet, air blowing inlet and manual sampling port shall be set, and the function of automatic cleaning or manual cleaning of pipeline shall be provided.2. The performance of the sampling pump shall be determined according to the sampling flow, the hydraulic loss of the water intake system and the water level difference with the sampling point.
3. The online water quality detector should collect representative raw water according to the depth of the water intake of the water plant. The water intake should be kept at a sufficient distance from the bottom to prevent the impact of sediment.
4. Protective filtration device shall be installed, and disinfectants can be used to inhibit the growth of microorganisms in the pipeline as required.
5. The online monitoring system of the factory water and pipe network water quality shall be equipped with drainage device, anti-bubble device, pressure stabilizing device, constant flow device and check valve.
Installation requirements of floating platform for in-situ monitoring:
1. The materials shall meet the requirements of field work, and shall be anti-corrosive, anti-freezing, anti-oxidation and anti-ultraviolet;2. The connection and fixation shall be firm, and the installation and operation of equipment and facilities shall be safe and reliable;
3. Stable and reliable anchor sinking facilities shall be set, and the height of the platform shall be adjustable with the change of water level within a certain range;
4. It shall have stable and reliable power supply facilities, and shall have protective measures such as limited current and voltage limit protection, anti-reverse connection protection, power failure protection, load short circuit protection and lightning protection;
5. It shall be equipped with independent power supply and sealing chamber for control equipment;
6. Anti-theft alarm and positioning facilities shall be set;
7. The four sides of the monitoring point should be open and free of obstacles, and the buoy should be equipped with warning facilities and signs.
