Arrangement and method for the continuous steam...

Details Arrangement and method for the continuous steam... Arrangement and method for the continuous steam...

D - Textiles, Paper

21

C

D21C 1/02 (2006.01)

Patent

CA 2645382

The invention concerns an arrangement and a method for the steam pre--treatment of chips during the production of cellulose pulp. With the aim of avoiding the blow-through of gases in the steam pre-treatment vessel (1) and in this way preventing foul-smelling gases from being released into the atmosphere, spreader nozzles (10) for the injection of cooling fluid are arranged in the gas phase of the steam pre-treatment vessel. In the event of the initiation of the risk for blow-through of steam, cooling that is proportional to the risk is activated. It is possible in this simple manner to avoid the emission of gases from the chip bin when interruptions in the process occur, whereby the release of odours into the surroundings can be minimised.

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