D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 1/66 (2006.01)
Patent
CA 2118506
The invention relates to a process and an apparatus for recycling backwater in a papermaking machine. According to the invention backwater draining through a forming fabric is collected into several collecting means (51, 52, 53, 54) and pumped by separate pumps (20) in at least two and preferably numerous separate flows (81 to 85) directly as substantially air free separate flows to the fibre process (12, 30, 40) of the short circulation in order to implement a fast, air free and split recycling of backwater from said forming fabric to said fibre process.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Pom Technology Oy Ab
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