Method of controlling evaporator for salt manufacturing plant

Details Method of controlling evaporator for salt manufacturing plant Method of controlling evaporator for salt manufacturing plant

1993-03-22

1995-07-11

Bascomb, Jr., Wilbur

Concentrating evaporators

Processes

159 44, 23295R, 203 1, 423158, 423184, 423497, B01D 100, C01D 306

Patent

active

054317797

ABSTRACT:
An evaporator control method for a salt manufacturing plant includes the steps of: measuring the speed of sound of in a raw solution of salt which additionally includes magnesium chloride and calcium chloride accommodated in an evaporator; calculating the combined concentration of magnesium chloride and calcium chloride according to the speed of sound based on a calibration curve; and controlling a condition of the raw solution in the evaporator according to the combined concentration of magnesium chloride and calcium chloride.

REFERENCES:
patent: 3615259 (1971-10-01), Neitzel
patent: 3989472 (1976-11-01), Braithwaite et al.
patent: 4224036 (1980-09-01), Geesen
patent: 4564367 (1986-01-01), Heiss et al.

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