the subject of the invention is a cleaning refinery furnaces (6), especially for odkoksowania internal piping (2) refining furnace (6).method of cleaning furnace refining (6) is placed through a hatch (1) to its internal installation piping (2) friction element in the form of piston diameter slightly less than the diameter of the piping installation (2) and / or the powdery abrasives and the introduction of another central medium, which retrieves the pollutionand also through which medium friction element and / or u015bcierniwo travels through piping installation (2), whereby the impurities advantageously take nobody nowhere in the separator (3) from the medium. the medium is an inert gas, especially nitrogen.medium that gets inside of piping (2) from the outside, coupled with her system containing at least one vacuum pump (4) and at least one compressor (5). cleaning is a two-way street in closed-loop.volumetric speed medium in direction movement of the friction and / or abrasives used for element ciernym and / or u015bcierniwem is determined depending on the pressure of the inside of piping (2) before the run by psychic element ciernym and / or u015bcierniwem, as inverse proportionality.where the pressure before being led by psychic element ciernym and / or u015bcierniwem is lower than atmospheric.
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