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After the reverse osmosis equipment has been in operation for a certain period of time, the conductivity of the effluent water will increase. Even if the reverse osmosis membrane has just been replaced, the conductivity of the effluent water is still relatively high. Even in the case of two-stage reverse osmosis, the conductivity of the second stage is higher than that of the first stage. What are the reasons for this? Now let's talk about the factors that can cause the conductivity of the effluent from reverse osmosis equipment to increase. The service life of reverse osmosis equipment is long. As the service life of the membrane elements extends, the salt permeability increases. Generally speaking, a high conductivity means that the entire water treatment system has not changed compared to the initial state. The reason for the high conductivity at this time is the aging of the reverse osmosis membrane module, which leads to a decrease in the desalination rate. The correct handling method is to replace the reverse osmosis membrane of the reverse osmosis main unit. 2. When the connecting parts leak, the electrical conductivity of the equipment suddenly rises during normal op
Details >The single-valve double-tank boiler water softening equipment (water softener) is a complete machine composed of a fully automatic water softening controller, a resin tank for single-valve double-tank water softening equipment, strong acid type sodium ion cation resin, and a salt tank. It is widely applied in industrial boilers, cooling circulating water, steelmaking, steel rolling, large transformers, civil hot water boilers and other occasions. Now let's introduce the continuous water supply single-valve double-tank water softening equipment (water softener). The multi-way valve in the continuous water supply single-valve double-tank boiler water softening equipment is a multi-path integrated valve that uses the reciprocating motion of the piston to switch the water flow direction during all working processes of the water softener. It also has components such as the regeneration system, brine injection flow-limiting orifine plate, and blowdown flow-limiting orifine plate. The regeneration control device in the continuous water supply single-valve double-tank boiler softened water equipment is the control part of the control valve, consistin
Details >When the water softening equipment (water softener) is in operation, it displaces the vast majority of calcium and magnesium ions in the source water. Under a certain pressure and flow rate, the source water flows through the water softening equipment (water softener) filled with ion exchange resin, and the exchangeable Na+ contained in it undergoes ion exchange with the cations (Ca2+, Mg2+, Fe2+, etc.) in the water By significantly reducing the content of Ca2+ and Mg2+ ions in the effluent from the container, the water that flows out becomes softened water with extremely low hardness. There are many factors that affect the softening effect, and resin is an important one among them. Among resins, the exchange capacity is a factor that cannot be ignored. The exchange capacity of resin refers to the number of grams (or grams equivalent) of anions and cations that can be exchanged by the exchange groups in a unit volume or weight of resin, which is a measure of the resin's exchange capacity. Now let's talk about the softening resin exchange
Details >What is the electrical conductivity of water? (1) Electrical conductivity is due to the presence of various dissolved salts in water, which exist in the form of ions. When a pair of electrodes are inserted into water and an electric current is applied, under the influence of the electric field, the charged ions move in a certain direction. The anions in the water move towards the anode and the cations move towards the cathode, thus enabling the water solution to conduct electricity. The degree of strength or weakness of water's electrical conductivity is called the conductance S (or conductance). The unit of electrical conductivity is: us/cm. Conductivity reflects the amount of salt in water and is an important indicator of water purity. The purer the water is and the less salt it contains, the greater its resistance and the smaller its conductivity. ④ Ultrapure water can hardly conduct electricity. How to remove the electrical conductivity in water (reduce the electrical conductivity in water)? What equipment is needed? ⑵ Reverse osmosis is to go
Details >Today, Beijing has witnessed the first snowfall of 2015. After a night of cold wind, the ambient temperature has dropped to 1℃. The boiler water softening equipment (water softener) has gradually become the main source of warmth for us. To ensure its continuous heating for us, it is necessary to have a further understanding of it. Below, we will introduce five working states of the water softening equipment (water softener) with pictures and text. The raw water of the softening water equipment enters the control valve through the water inlet, passes through the valve body from the upper part of the valve core, and then enters the tank from the top (or the outside of the resin tank pipe, the same below). Then, it passes downward through the resin layer (this is softening, and in purification, it is the carbon layer, etc., the same below), becoming softened water. It then flows through the return pipe of the lower distributor, upward through the valve body, and is discharged from the outlet of the softened water equipment after passing through the valve core. 2. The raw water for the salt absorption slow wash state softening water equipment enters from the water inlet
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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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