Method of and a means for feeding material to a filtering appara

Details Method of and a means for feeding material to a filtering appara Method of and a means for feeding material to a filtering appara

1985-06-06

1987-04-21

Castel, Benoit

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210741, 210 90, 210 961, 210224, C02F 152, B01D 2512

Patent

active

046594833

ABSTRACT:
A filter press (10) is supplied with material to be filtered by a filling pump (20) and a high pressure pump (26). Both pumps are connected in parallel and designed as eccentric worm pumps. The charging pressure is gradually raised to a final pressure without any temporary dropping so as to reduce the charging time to a minimum. In correspondence with the gradually decreasing absorption capacity of the filter press (10) first the normal speed of the filling pump (20) is lowered to a predetermined lower operating speed at unvarying speed of the high pressure pump (26). If required, then also the speed of the high pressure pump (26) is reduced. If the absorption capacity of the filter press (10) again increases, first the speed of the high pressure pump (26) is raised again to its former value and, if necessary, subsequently the speed of the filling pump (20) is increased again. A control means (52) including a microprocessor unit serves to vary the speed of the pumps (20 or 26) by way of speed control means (36,38). The inputs into the control means (52) are electrical signals corresponding to scanned "values" of the charging pressure. Guide and control magnitudes can be entered freely into the microprocessor unit in response to the properties of the filtering apparatus and the material to be filtered.

REFERENCES:
patent: 4151080 (1979-04-01), Zuckerman et al.
patent: 4159248 (1979-06-01), Taylor et al.
patent: 4198298 (1980-04-01), Zuckerman et al.
patent: 4370232 (1983-01-01), Busse et al.
patent: 4427552 (1984-01-01), Lieberherr et al.
patent: 4439325 (1984-03-01), Blais
patent: 4544489 (1985-10-01), Campbell et al.

Affiliated with

Also associated with

Rating

Method of and a means for feeding material to a filtering appara does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of and a means for feeding material to a filtering appara, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of and a means for feeding material to a filtering appara will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-750144