| 摘要 |
PROBLEM TO BE SOLVED: To provide a chemical dissolving device capable of precisely detecting a replenishing time of solid chemicals.SOLUTION: A chemical dissolving device has chemical loading containers 2, a chemical dissolving container body 1 capable of storing chemical solution, a supplying pipe 3 supplying water to the chemical dissolving container body from the outside, a discharge pipe 5 discharging the chemical solution from the chemical dissolving container body to the outside, small lids A comprising a magnetized material or a material sensing magnetism, and magnetic proximity sensors B, the chemical loading containers is arranged on the upper part of the chemical dissolving container body, the inside of the chemical loading containers and the inside of the chemical dissolving container body are in communication, solid chemicals 11 are loaded while being stacked in a vertical direction in the chemical loading container, the supplied water contacts the solid chemicals loaded in the chemical loading containers and the solid chemicals are dissolved and thereby chemical solution can be obtained, thereby the solid chemicals move downward in series, the small lids is placed on the stacked solid chemicals, the small lids move downward along with the downward movement of the solid chemicals, the magnetic proximity sensors notify the movement condition of the small lids. |
