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English to Chinese translations [PRO] Chemistry; Chem Sci/Eng
English term or phrase:blasted away from the blasted steel
In the blasting hall, steel goods are blasted manually with the help of free jet blasting. The blasting material that is most often used is steel grit which gives the best descaling and also from an environmental perspective is the best alternative. By using this material it minimizes the amount of waste since the steel grit can be recirculated approximately 20 times before the particles become so small that they are separated by the purification systems which also removes oxide scale, etc. that is ***blasted away from the blasted steel***. To a certain degree even olivine sand is used as a blasting material since for example rust-free steel and galvanized steel cannot be blasted with steel grit. The blasting hall has a separate ventilation and dust separationj system, where dust and heavier particles are separated in separate vessels for further handling as waste. In this way, the air which is released from the blaster is cleaned.