METHOD FOR CLEANING CYLINDRICAL LONG-DIMENSIONAL PRODUCTS AND DEVICE FOR IMPLEMENTING SAME
The inventions relate to the processing of rolled metal products, and specifically to cleaning-away process lubricants, and may be used in the cleaning of long-dimensional products (pipes, wire, rods)following cold rolling and drawing, and before applying various types of coatings, and also for fini...
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Zusammenfassung: | The inventions relate to the processing of rolled metal products, and specifically to cleaning-away process lubricants, and may be used in the cleaning of long-dimensional products (pipes, wire, rods)following cold rolling and drawing, and before applying various types of coatings, and also for finishing the surfaces of products. In a method for cleaning cylindrical long-dimensional products, said products are passed through a toroidal chamber having an outlet nozzle. A rotating flow of aqueous washing solution and compressed air are fed into the chamber via inlet nozzles, creating turbulencein a gas-liquid flow in the outlet nozzle, wherein the pressure of the flow of aqueous solution is changed from 20 atmospheres to 1 atmosphere in order to form a pulsating gas-liquid flow which is fed as a counter-current toward a product. Following cleaning, products are rinsed with water and dried using compressed air in similar toroidal chambers, with each medium being fed as a counter-currenttoward the product. A clea |
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