4.1.1 Water treatment equipment description
（1）The pretreatment system: this system is equipped with RO water pretreatment device, small particles, bring filter raw water suspension colloid, free chlorine, low molecular organic halides (THM, three), thereby significantly reducing turbidity (NTU), the SDI (water pollution index), reduce the odor and color water the water quality to meet the requirements of water film work. At the same time, the security filter to intercept removal of more than 5 mu or more particles, preventing membrane clogging and damage.
（2）RO reverse osmosis system: reverse osmosis system using the Dow company production of polyamide composite membrane elements in the world's most advanced (TFC film) as the main component, the single membrane desalination rate is more than 99.5%, 97-99% desalination rate, suspended particles, and can effectively remove the organic silicone gel. Matter, bacteria, virus, pyrogen and other impurities, product brand name - Nanfang pump manufacturing Chinese stainless steel high pressure pump, stable and reliable performance, low noise.
（3）Water supply system: the Guangzhou Jiahuan ozone series, used to kill bacteria in the water tank, and the water of oxygen. The long-term preservation, stainless steel ozone mixing tower deep water aeration mixing of ozone and pure water, the water pump selection system China famous brand: Nanfang pump, system and control device, structure for vertical cylindrical. The built-in 0.2 M titanium filter for removal of bacterial debris, to ensure high purity water water inside the pipe.（4）Cleaning system: in the normal operation after a period of time, the reverse osmosis membrane element will be suspended in the water may exist or insoluble salt pollution, it is equipped with chemical cleaning system
（5）Control system: Japanese MITSUBISHI PLC (MMI) automatic control, electrical components by the French Schneider brand, once the boot device will enter the automatic operation system, which is under the automatic protection operation. Automatic operation, according to the water level automatic shutdown. The reverse osmosis system with multiple protection function and automatic flushing procedure, no the need for manual operation of the whole system, guarantee system of water supply 24 hours a day.