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In daily life, we often see that scale forms on the inner walls of kettles after long-term use. What's the reason for this? It turns out that the water we took contains a considerable amount of inorganic salt substances, such as calcium and magnesium salts. These salts cannot be detected by the naked eye in water at normal temperature. Once they are heated and boiled, a considerable amount of calcium and magnesium salts will precipitate in the form of carbonates. When they adhere to the inner walls of the kettle, they form scale. We usually express the content of calcium and magnesium ions in water by the indicator of "hardness". A hardness of 1 degree is equivalent to 10 milligrams of calcium oxide per liter of water. Water with a temperature below 8 degrees is called soft water, water with a temperature above 17 degrees is called hard water, and water with a temperature between 8 and 17 degrees is called moderately hard water. Rain, snow water, river water, lake water are all soft water, while spring water, deep well water and sea water are all hard water.
Details >In water treatment, the commonly used water distributors in conjunction with water softeners mainly include: Fulaike 6-inch upper and lower distributors, 1.05 upper and lower distributors, 1.5" upper and lower distributors, which can be matched with various imported and domestic water treatment multi-way valves and manual valves. Six-claw, eight-claw and sixteen-claw types of upper and lower water distributors; 2" Threaded side-mounted upper and lower water distributors; 3" Flanged side-mounted upper and lower water distributors... Wait a moment. It can be applied to water treatment tanks of various specifications ranging from 150 to 2000 in diameter.
Details >What are the commonly used filter cores for household water purifiers? Did you know?
The filter element is the core part of a water purifier. If you want to choose a good household water purifier, the quality of the water purifier filter element must be up to standard. Then remove the harmful substances in the water and preserve the beneficial elements for the human body. The water purification effect of different filter elements must be different. So, what types of filter elements are there in household water purifiers? Household water purifier filter core - RO reverse osmosis membrane. The RO reverse osmosis membrane is the core component to complete reverse osmosis. Originally, it is made of a kind of high molecular material and is an artificial semi-permeable membrane with the characteristics of biological semi-transparency. It can retain all dissolved salts and organic substances with a molecular weight greater than 100 in the raw water, allowing water molecules to pass through simultaneously.
Details >How should a fully automatic water softener be maintained and serviced?
In life, water softening equipment has brought me a lot of convenience. Removing hard water has more benefits. It can prevent scaling and pipe blockage that occur during long-term use, reducing economic losses. In addition, he also needs long-term maintenance to extend the service life of the equipment. Now, let's have the editor share with us the maintenance methods during the operation of water softening equipment.
Details >Beijing Yuanlai will answer some common questions from customers about water treatment
Some common questions from customers about water treatment, Beijing Yuanlai answers for you: 1. What are the water quality standards for tap water? The water quality indicators of tap water should meet the relevant standards in the "Standard for Drinking Water Quality" (GB5749-85), with a total of (35) indicators. The new standard to be piloted soon includes (88) indicators. 2. When PH test paper is used to measure the acidity or alkalinity of a solution, what is the relationship between color changes and PH values? When PH test paper is used to measure the acidity or alkalinity of a solution, the relationship between color change and PH value is as follows: PH value; 4 5 6 7 8 9 ≥ 10 Colors: Red, orange, Yellow, Green, cyan (blue, green), blue, purple. 3. What are electrical conductivity and resistivity? How do they convert to each other? With TD
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Yuan LaiEDIThe ultra-pure water equipment uses electro-deionization technology.EDIElectrodeionization is a water purification method that combines the dual advantages of electrodialysis and ion exchange. It does not require acid-base chemical regeneration and can continuously and stably prepare high-purity ultrapure water. Under the action of a direct current electric field, ion separation in water is completed. At the same time, water is electrolyzed to generate hydrogen ions and hydroxide ions, achieving automatic regeneration of the resin without the need to stop the machine for manual regeneration. The pre-treatment combined with reverse osmosis can prevent oxidized substances from damaging the resin, ensuring stable effluent quality and widely meeting the high-standard water usage requirements of various industries.
The non-negative pressure water supply equipment can be directly connected to the municipal water supply network, making full use of the residual pressure of the original network for superimposed water supply. Fully enclosed operation does not require the construction of a domestic water tank, eliminating secondary pollution. Intelligent variable frequency voltage stabilization, energy-saving, quiet and easy installation, it is the preferred equipment for secondary water supply in high-rise residential buildings and commercial buildings.
Constant pressure water supply equipment is widely used in central air conditioning, floor heating, industrial closed-loop water circulation, and boiler systems. It integrates automatic pressure stabilization, automatic water replenishment, automatic exhaust, pressure relief and buffering functions. It stabilizes the pressure in the pipeline network, eliminates abnormal sounds caused by air blockage, and prevents damage from negative pressure and water shortage in the pipeline. It is an essential supporting equipment for HVAC and circulating water systems.
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