Title:
PUMP OPERATING METHOD
Document Type and Number:
Japanese Patent JPS5943404
Kind Code:
A
Abstract:
PURPOSE:To hold the water level in a water distribution tank at a prescribed limit, to secure a consumer head and water consumption and to decrease the frequency of pump switching by setting a maximum and a minimum discharge for daily water consumption and performing operation within this range. CONSTITUTION:The maximum and minimum pump discharge are set for the daily water consumption and the operation is carried on within the range. For example, necessary data are set initially for one operation facility 1 consisting of plural pumps arranged in parallel and estimated daily water consumption and a maximum and a minimum pump discharge are supplied to set the number of pumps in operation and pump discharges at prescribed intervals of time on the basis of said data. The operation facility 1 is put in operation by a set operating method to supply water from a water purifying plant 6 to the water distributing tank 3 through a water distribution system 2 and the water level variation of the distribution tank 3, consumer head, etc., are checked to distribute water to comsumer terminals 5 through piping 4 in the best state.
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Inventors:
OKAMACHI MASAO
NANBU KAZUYUKI
NANBU KAZUYUKI
Application Number:
JP15398682A
Publication Date:
March 10, 1984
Filing Date:
September 06, 1982
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
G05B13/04; F04B49/06; G05B11/18; G05D9/12; (IPC1-7): F04B49/02; G05B13/04; G05B19/02
Attorney, Agent or Firm:
Kimura Masami