Water treatment system introduction
It is mainly used to overcome the resistance of the pre-processor during operation and provide sufficient water flow to backwash the pre-processor. It is equipped with overload and thermal protection; the low water level valve of the raw water tank can prevent it from running idle due to lack of water.
The quartz sand filter removes the condensed flakes of suspended matter in the water and the adhesive colloidal substances that cannot be removed by the precipitation method through the filter bed. It is mainly used for softening, desalination, and pretreatment of pure water systems, and can also be used for coarse filtration of industrial water supply with low requirements. According to the use of filter materials, mechanical filters can be divided into single-layer filter materials, double-layer filter materials, and multi-layer filter materials. Double-layer filter materials are suitable for filtering sedimentation water with a raw water turbidity of no more than 60 mg/L, and single-layer filter materials are only used for filtering sedimentation water with a raw water turbidity of no more than 15 mg/L. The turbidity of the water discharged from the mechanical filter is generally controlled below 3 mg/L.
The equipment can remove discoloration, odor, heavy metals such as mercury, lead, cadmium, zinc, iron, manganese, chromium, etc. in clean water. It can also remove arsenic, hydride, sulfide, residual chlorine and other high molecular compounds and radioactive substances such as strontium and radium in water, remove and kill bacteria and E. coli and other carcinogens in water. It is an ideal water supply equipment for industrial water purification such as drinking water, food, beverage, pharmaceutical, and chemical industries. The effluent water quality should meet the national drinking water quality standards.
Precision filter is a microporous filter membrane made of high-tech and polymer materials as the filtration medium. It is one of the effective means to solve the problem of material separation. It is a modern advanced precision filtration equipment. It has the advantages of high filtration efficiency, good quality, easy operation, low production cost, etc. It is an upgraded product of plate and frame filter. It has a wide range of applications and is an indispensable precision filtration equipment in the pharmaceutical, beverage, electronics, chemical, water treatment and other industries.
The key to reverse osmosis (RO) technology is the reverse osmosis membrane. The reverse osmosis membrane is a chemically synthesized polymer membrane. During the synthesis process, the interaction between molecules creates many pores on the reverse osmosis membrane. The pore size of these pores is 0.0001-0.001 microns, which is equivalent to the diameter of the molecule. The volume of almost all harmful impurities is hundreds of times larger than that of water molecules, and the smallest virus is dozens of times larger than that of water molecules. Toxic heavy metal salts such as lead, mercury, and chromium, carcinogenic nitrites, fluorine pollution that causes bone deformation, and calcium, magnesium, iron, manganese, and aluminum salts that produce water alkali and are related to stone disease, hypertension, and cardiovascular disease are all present in the water in the form of hydrated ions. After hydration, they are 10-20 times larger than water molecules. The reverse osmosis membrane completely removes these impurities listed above by selecting particle size and rejecting charged particles.
Ozone is an allotrope of oxygen with a density of 1.658, which is heavier than air. It is a light blue gas and one of the strongest oxidants known so far. It has a strong killing power against cells, spores, viruses and dust particles. It is a high-dose broad-spectrum fungicide. In addition, it also has the functions of decomposing organic matter, removing odors, and bleaching. Odor radicals have poor stability and quickly decompose into oxygen and single oxygen atoms after generation. The product of ozone reaction is oxygen. There is no toxic residue, so it is also called a high-efficiency disinfectant without secondary pollution. With the continuous advancement of science and technology and the deepening of people's understanding of ozone, ozone technology is being continuously promoted and popularized in the fields of national economy and daily life.
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