Monitoring chemical flow rate in a water treatment system

Details Monitoring chemical flow rate in a water treatment system Monitoring chemical flow rate in a water treatment system

1997-09-18

1998-10-27

Dombroske, George M.

Measuring and testing

Volume or rate of flow

Combined

137893, 137 475, G01F 1509

Patent

active

058279598

ABSTRACT:
A pressurized chemical tank is connected to a water line through a restriction (e.g., a gas flow control valve). A vacuum-regulating check valve is for maintaining the vacuum pressure of the gas flowing between the tank and the restriction. A gas flow rate sensor is between the restriction and the water line. The sensor is constructed to be responsive to pressure in the gas line, and can be connected to a remote display and/or storage device. The sensor can also provide a feedback signal to a control system for controlling the flow rate.

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