TIME LIMIT TYPE QUANTITATIVE CHEMICAL FEEDER

摘要

PROBLEM TO BE SOLVED: To provide a quantitative chemical feeder which can set the quantitative ejection and the frequency of the quantitative ejection of a chemical solution.;SOLUTION: This quantitative chemical feeder comprises a vessel 11 for holding a chemical solution in a pressured condition, a communicating/masking valve 12 for communicating the inside with and shutting off the inside from the outside of the vessel by the operation of an eject member 13 mounted on the vessel, a liquid pool chamber 41 for temporarily storing a predetermined amount of the chemical before ejection and a flux regulator 24 for feeding the chemical into the chamber 41 spending time longer than predetermined being provided on a channel communicating the valve 12 with the inside of the vessel.;COPYRIGHT: (C)2005,JPO&NCIPI