Water treatment system knowledge

Keywords: water treatment system knowledge

keyword description: water treatment system knowledge

small water treatment system knowledge water hardness water hardness refers to the concentration of calcium and magnesium ions in water, hardness is PPM, 1 PPM on behalf of the content of calcium carbonate in water (1 mg/l mg/L) 。 Water for soft water and hard water, soft water and hard water contains no or contain a small amount of water is called soft water of calcium and magnesium ions, whereas called hard water. Water hardness, if it is caused by sodium bicarbonate or magnesium bicarbonate, temporary hard water system ( Temporary hard water boil, decomposition of sodium bicarbonate, generate insoluble carbonates and precipitation, water by hard water into a soft water) ; If it is caused by contains calcium, magnesium sulfate or chloride, is a permanent hard water, after boiling cannot be removed. The above two kinds of hardness is called total hardness. According to the total hardness of water value is roughly divided, total hardness 0 30 PPM is called soft water, total hardness more than 60 PPM called hard water, high quality drinking water is not more than 25 PPM, high quality soft water total hardness in 10 parts per million. In natural water, away from the city of unpolluted rain and snow belongs to soft water; Springs, streams, river water and reservoir water, belong to the temporary hard water, part of the groundwater belongs to high hardness water. When the water droplets in the atmosphere condensed, dissolved carbon dioxide from the air to form carbonic acid. Carbonate with rain eventually fall to the ground, and then filtered through to the rock, soil dissolved lime ( Calcium carbonate and magnesium carbonate) Temporarily hard water. Some areas of karst cave and karst cave near the hard water are formed in this way. The pros and cons of hard water hard water has many shortcomings: 1. And soap response to produce insoluble precipitate, reduce the washing effect. ( Using it can distinguish between the hard water and soft water) 2. Industry, calcium salt, magnesium salt precipitation causes of boiler scale, impede heat transfer, serious when still can result in boiler explosion. In industry, because of the hard water problems every year for equipment, pipeline maintenance and replacement can cost tens of millions of dollars. 3. Hard water drinking will also a certain influence on human health and daily life. No man who often drink hard water occasionally drink hard water, can cause gastrointestinal dysfunction, the so-called & other; The water & throughout; ; With hard water cook fish, vegetables, can damage because of not easy cooked or reduce the nutritional value of food; Will we make tea in a hard water change tea color, flavor and reduce its drinking value; Do tofu with hard water would not only reduce production, but also affect the nutrition of tofu. Then the hard water is no place? No, otherwise how can have so many people buy mineral water to drink. Calcium and magnesium are essential elements in the macro metal elements. Scientists and doctors, the survey found people of certain cardiovascular diseases, such as hypertension and arteriosclerosis sex heart disease mortality, and water is inversely proportional to the hardness of water hardness is low, has high mortality. In fact, the long-term drinking hard or too soft water are adverse to human body health. Our country regulation: the hardness of drinking water shall not be more than 25 degrees. Guangzhou filter source water filter equipment co. , LTD. Is China's first development and production of water filter various types of products are: PP wire wound filter, PP folded filter, PP melt-blown filter, activated carbon filter, resin filter, big flow filter, and provide the matching equipment professional factories, was also the first three development line around the filter, and participate in the formulation of the chemical wire wound type filter core ( Water filter) One of the industry standard drafting unit. Sincerely look forward to cooperation with you! 。