QBY series of pneumatic diaphragm pump is a new type of conveying machinery, is currently the most novel kind of pump. Ensure that the diaphragm pump is well used In addition to the material of the pump body is also a very important selection of accessories, of which the diaphragm material is the most important piece. Pneumatic diaphragm diaphragm include: Ternary rubber: the best choice for extreme low temperature pumping, the lowest minus 51 degrees, can also be selected for pumping dilute acid or low corrosion liquid Hill Road rubber: suitable for acidic or alkaline corrosive, Such as sodium hydroxide, sulfuric acid or hydrochloric acid, etc., in terms of price and neoprene, this material has better wear resistance and durability Poly FEP: higher price, corrosion resistance, flexible Better than polytetrafluoroethylene, suitable for lower temperature corrosive media. Teflon Diaphragm: An excellent choice for pumping highly corrosive fluids such as sulfuric acid, fragrances, chlorinated hydrocarbons, ketones and acetates. Neoprene: An excellent, versatile diaphragm for non-corrosive liquids such as sewerage, tap water or sea water, with good flexibility and economy and durability. NBR rubber: used to transport oil and oil liquids, such as the best choice, such as leaded gasoline, diesel, hydraulic oil, kerosene oil, non-corrosive transmission of the proportion and consistency of the larger pulp use this diaphragm is better . Fluorinated rubber: the best choice for extremely high temperature fluid pumping, the maximum temperature of up to 176 degrees, but also can deliver some aggressive liquids, such as fragrances, chlorinated hydrocarbons and corrosive acids, alkalis and other chemical media. (Pneumatic Diaphragm Pump Diaphragm those who have selected)
Copper smelting methods can be divided into two categories: pyrometallurgy and hydrometallurgy. More than 85% of the world's refined copper output is recovered from pyrophyllite concentrates and recycled copper by pyrometallurgical process, and the refined copper produced by hydrometallurgy only accounts for about 15%.
In China, copper metal is extracted from copper concentrates mainly by the pyrometallurgical method. The more advanced one is flash smelting, whose output accounts for over 30% of the total copper produced in the country. Due to low energy consumption, large-scale, can effectively control the advantages of environmental pollution. This smelting technology is being developed in the copper industry. Flash smelting furnace according to different working principle can be divided into two types: Outokumpu flash melting, InCo flash melting. The following describes Outokumpu smelting process.
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