B - Operations – Transporting – 03 – C
Patent
B - Operations, Transporting
03
C
317/2.5
B03C 3/66 (2006.01) B03C 3/68 (2006.01)
Patent
CA 1214204
Abstract of the Disclosure A method and device for varying a d.c. voltage connected to an electrostatic dust separator so as to render more effective in return for a low consumption of energy the collection of dust on an electrode or electrodes incorporated in the dust separator. The d.c. voltage is set to a first level (basic level), said level having superimposed on it a number, in each case two or more, of voltage pulses forming a pulse group, with the consecutive pulse groups being separated from each other chronologically and supplied to electrodes incorporated in the dust separator. A pulse generating device is so arranged as to generate a number of pulses making up a pulse group, whereby the first pulse (21) in said pulse group is selected so as to exhibit an amplitude and/or a duration and/or a form such that, when the pulse is supplied to the dust separator, it will not cause flash-over but will produce an increase in the inclination to flash-over (20') of the dust separator, in conjunction with which the immediately following pulse (22) in the pulse group is selected so as to exhibit an amplitude and/or duration and/or a form such that, when the pulse is supplied to the dust separator, it will not cause flash-over in spite of the increased inclination to flash-over (20') caused by the preceding pulser and so on. It is recommended that Figure 3 be attached to the Abstract of the Disclosure on publication.
439229
Flakt Ab
Gowling Lafleur Henderson Llp
LandOfFree
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