D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 11/12 (2006.01) F27D 3/14 (2006.01)
Patent
CA 2665721
The invention is related to a method for emptying a furnace floor in a soda recovery boiler when the soda recovery boiler is being shut down. The emptying may be started while smelt is still flowing in smelt spouts. The floor is emptied by sucking smelt from the furnace with a smelt eductor. The invention is also related to a device for removing smelt and wash water from a furnace of a soda recovery boiler by means of suction. Negative pressure is generated in the device by conducting pressurized gas into a suction pipe of the eductor so that the pressurized gas is discharged in the discharge direction of smelt and wash water.
La présente invention concerne un procédé de vidage de la sole d'une chaudière de récupération de soude lorsque cette dernière est éteinte. Le vidage peut commencer alors que les résidus de combustion continuent à couler dans la goulotte de coulée. La sole est vidée en aspirant la coulée de la chaudière à l'aide d'un éducteur de coulée. L'invention concerne aussi un dispositif permettant de retirer la coulée et l'eau de lavage de la chaudière de récupération de soude en l'aspirant. Une pression négative est générée dans le dispositif en acheminant le gaz pressurisé dans le tube d'aspiration de l'éducteur afin de libérer le gaz sous pression dans le sens de décharge de la coulée et de l'eau de lavage.
Boildec Oy
Sim & Mcburney
LandOfFree
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