Working principle and advantages of ultrapure water equipment for steel industry-Ocpuritech-img

Working principle and advantages of ultrapure water equipment for steel industry

by:Ocpuritech     2021-03-14
Iron and steel industry with ultra-pure water equipment works and the advantages of the article: the late 1970s, my country's steel industry began to introduce, digest and wide application of advanced technology and equipment at home and abroad, continue to increase technological innovation, technological progress and technological innovation After more than 20 years of hard work, the overall level of process technology has improved significantly, and key large-scale iron and steel enterprises have reached or approached the international advanced level. The iron and steel industry uses ultra-pure water equipment to continuously introduce foreign advanced technology and adopt foreign configuration originals to ensure the quality of the equipment, the efficiency of the equipment and the quality of the water.  Ultra-pure water equipment for iron and steel industry Working principle of ultra-pure water equipment    1. Water enters the EDI system, the main part flows into the resin/membrane, and the other part flows along the outside of the template to wash away the ions that penetrate the membrane.  2. Under the action of the electrode, the trapped ions will move the anions to the positive electrode and the cations to the negative electrode.   3. The resin intercepts the dissolved ions in the water.   4. The concentrated ions are discharged from the waste water flow path.   5. Cations permeate through the cation membrane and drain out of the resin/membrane.   6. Non-ionized water flows out of the resin/membrane.  The advantages of ultrapure water equipment used in the steel industry  1, no chemical pollution: continuous resin electrolysis regeneration eliminates the need for highly corrosive chemicals. If the front-end RO system is functioning normally, it rarely needs cleaning. For example, the internal design of the abnormal E-Cell is sufficient to cope with periodic chemical cleaning.  2. Continuous regeneration: Continuous regeneration replaces intermittent regeneration, which eliminates the need for spare ion exchange equipment. Each module can be chemically cleaned independently, and the remaining modules can bear short-term high flow.  3. Simple start-up/operation: Compared with intermittent regeneration of mixed bed, regeneration operation is no longer required. EDI is simple to operate, requires fewer valves, and does not require the operator to spend a lot of energy. The operation requires simple analysis and control.  4, easy to replace the module The general life of the module is higher than 3-5 years. The spare module is easy to store. The outer aluminum plate can well protect the modules, pipes and food from damage. EDI module replacement is simple and quick.  5. Higher product water purity: when the influent water is lower than 40us/cm, the product water generally exceeds 10~15MΩ.cm (25℃), which is not affected by the fluctuation of the water production.  6. u200bu200bHigher recovery rate: If the water hardness is less than 1ppm in terms of CaCo3, the recovery rate can reach 90-95%.  7. Small footprint: Ultra-pure water equipment used in the iron and steel industry has a much smaller footprint, about 1/10, under the same flow processing capacity. This customer-conscious design is achieved by eliminating huge regeneration storage and wastewater neutralization systems.
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