APPARATUS FOR SUPPLYING CHEMICAL

摘要

PURPOSE: A chemical supply apparatus is provided to accurately control the amount of chemicals inputted to a mixing device by controlling the height of a pipe to supply the chemicals from a chemical measurement unit to the mixing device. CONSTITUTION: A chemical supply unit (200) stores chemicals. A chemical measurement unit (220) measures the chemicals supplied from the chemical supply unit. A first sensor (235) and a second sensor (237) measure the height of the chemicals stored in the chemical measurement unit at different heights. A chemical collection unit (225) collects the chemicals from the chemical measurement unit in the chemical supply unit at the same height as the first sensor. A mixing device (260) mixes the chemicals from the chemical measurement unit. [Reference numerals] (200) Chemical supply unit; (220) Chemical measurement unit; (235) First sensor; (237) Second sensor; (260) Mixing device