Method and apparatus for feeding chemical into a liquid flow

Details Method and apparatus for feeding chemical into a liquid flow Method and apparatus for feeding chemical into a liquid flow

B - Operations, Transporting

01

J

B01J 4/00 (2006.01) B01F 3/08 (2006.01) B01F 5/04 (2006.01) B01J 19/26 (2006.01) B05B 7/04 (2006.01) D21H 23/04 (2006.01)

Patent

CA 2541528

The present invention relates to a method and apparatus for feeding chemical into a liquid flow by means of a feeding device (34) including a nozzle casing (80) and apparatus (84, 88, 144) disposed in connection therewith, having means (162) for feeding chemical and means (142) for feeding mixing liquid to an isolated space (154) disposed in connection with the nozzle casing. The method and apparatus according to the invention are especially suitable for applications where very small volumes of chemical must be fed in precise amounts in large process liquid flows.

L'invention concerne un procédé et un appareil permettant d'alimenter un agent chimique dans un écoulement de liquide, au moyen d'un dispositif d'alimentation (34) comprenant un boîtier (80) de buse et des appareils (84, 88, 144) disposés de manière à être connectés avec celui-ci et comprenant des moyens (162) permettant d'alimenter l'agent chimique et des moyens (142) permettant d'alimenter un liquide de mélange dans un espace isolé (154) disposé de manière à être connecté avec le boîtier de buse. Les procédé et appareil selon l'invention sont spécialement conçus pour des applications dans lesquelles de très petits volumes d'agent chimique doivent être alimentés en quantités précises dans des écoulements de liquide de traitement importants.

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