What is the system composition and working principle of laboratory high-purity water equipment?
What is the system composition and working principle of laboratory high-purity water equipment? Author: Most of the body of water on Earth by serious pollution, water shortage exacerbated contradictions. Traditional tap water treatment methods can no longer guarantee a high-quality water supply. Therefore, various brands of laboratory high-purity water equipment came into being. Laboratory high-purity water equipment can be recognized by the majority of users, but also because the pure water equipment has a good water purification effect to bring convenience to the people's life. Not only that, chemical, medical, planting, drinking, food, aquaculture, beverage and other fields are also using laboratory high-purity water equipment, which is enough to show how widely the laboratory high-purity water equipment is used. So many industries are using laboratory high-purity water equipment, but do you really know about laboratory high-purity water equipment? You can read this article to learn more about what systems the laboratory high-purity water equipment consists of. Laboratory high-purity water equipment is mainly composed of pretreatment system, reverse osmosis system, cleaning system and electrical control system. The pretreatment system of laboratory high-purity water equipment mainly reduces the pollution index of raw water and other impurities such as residual chlorine, so that the raw water meets the inlet requirements of the reverse osmosis system. The pretreatment system mainly includes raw water pumps, dosing devices, quartz sand filters, Activated carbon filters, precision filters, etc., the user needs to decide according to the specific conditions of the raw water. The reverse osmosis system of laboratory high-purity water equipment is mainly to remove impurities in the water, so that the quality of the effluent water can meet the needs of users. The reverse osmosis system mainly consists of multi-stage high-pressure pumps, reverse osmosis membrane elements, membrane shells (pressure vessels), stents, etc. When the reverse osmosis system is polluted and the effluent index cannot meet the requirements, it is necessary to rely on the cleaning system of the pure water equipment to clean the reverse osmosis system to restore its function. The cleaning system mainly consists of cleaning water tank, cleaning water pump, and precision filter. . Therefore, various brands of water purification equipment came into being. At present, the laboratory high-purity water equipment on the market can be divided into the following types according to the water quality treatment method: 1. Boiling method: refers to the boiling of tap water for drinking. This is an ancient method and is widely used in China. Boiled water can kill bacteria, but some chemicals and heavy metals cannot be removed. Even if its content is extremely low, drinking is still unsafe. 2. Mineralization method: This method refers to adding mineral elements beneficial to the human body (such as calcium, zinc, strontium, etc.) into the water on the basis of purification. Its purpose is to play the health effect of mineral water. Commercial water purification equipment usually achieves the purpose of mineralization by adding medical stone to the water purification equipment, but the effect of artificial mineralization is still a controversial issue. 3. Water purifier: It is a newly invented product in Japan. It purifies the water first and then electrolytically activates. Its alkaline activated water corresponds to the pH value of the human body environment, which has a health care effect on the human body and is suitable for drink. 4. Activated carbon adsorption (can be divided into the following three forms): more commonly used and multi-purpose essence, coal, fruit shell (core) and other carbonaceous materials are made by chemical or physical activation methods. It has a lot of micropores and specific surface area, so it has a strong adsorption capacity and can effectively adsorb organic pollutants in water. 5. Reverse osmosis membrane method: a type of membrane separation technology. This method uses pressure to pass water through a synthetic membrane. The membrane only allows pure water to pass through, while pollutants are eliminated. The adopted R/O reverse osmosis technology is a high-tech achievement carefully developed after years of hard work. Higher cost, suitable for areas with poor water quality. 6. Microfiltration and ultrafiltration method: Microfiltration method is a microporous filter membrane made of cellulose or polymer materials. Its uniform pore size is used to trap particles, bacteria, colloids, etc. in the water, so that it will not pass through the membrane. Clear. This kind of microporous membrane filtration technology, also known as granular filtration technology, can filter micron or nanometer particles and bacteria. 7. Composite type: When one process is difficult to remove harmful substances in water, two or more processes are combined type. Such as activated carbon adsorption, ultraviolet sterilization, activated carbon adsorption, reverse osmosis, activated carbon adsorption, microfiltration (ultrafiltration), polypropylene ultrafine fiber, active carbon, microfiltration (ultrafiltration), etc.
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