| 摘要 |
The apparatus comprises a vat (1) in the bottom of which a certain number of filling devices (22) are arranged around the axis of the vat. Each device contains a filling pipe in communication with the vat (1) and which is traversed by a vent tube which is connected at its top with a connection pipe (54) outside the vat and debouching in the upper part of an air-liquid separator (56). The lower part of this separator is connected to a vat of liquid (64) by means of a pipe (62). At its top it is connected by pipes (58) to a pipe (60) in which the pressure is lowered. Since the vat is mounted on a rotary shaft (4), the pipe (60) is connected to the pipe (58) by a rotary joint on the cover of the vat. Likewise, a pressurized pipe from the vat is mounted, by means of the same rotary joint, inside the cover of the vat.
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