Subject: applied depression tech. The extraction of the steam is shifted toward the end of the hydrator, all the other conditions being kept constant. This experiment has to be stopped due to almost continuous blockages of the extraction duct and lime feeding pipe. Indeed, in these conditions, the steam, that is mainly generated in the central part of the hydrator, has a long path to go to reach the extraction duct. Therefore, some of the steam does not go along this path but rather in the other direction and goes out of the reactor via the quicklime feeding point, leading to a regular plugging of the lime feeding point Moreover, in order to suck better the steam via the extraction duct, the applied depression has to be increased, which also leads to the extraction of more dust (indeed, there is not only steam in the hydrator, but steam in which a non-negligible amount of slaked lime dust is in suspension), and thus to the plugging of the extraction duct at regular intervals (each 2 minutes approximately). Due to these difficult conditions, it was not possible to pursue the slaking process.Как тут можно перевести applied depression?
|