| 摘要 |
A remotely controllable controller for a chemical injecting system, which can control the injection quantity of chemicals and allow the concentration of chemicals to be diffused into raw water uniformly by automatically injecting liquid phased chemicals into raw water, measure an actual injection quantity of the chemicals, and indicate the measured injection quantity of the chemicals, and a controller for a chemical injecting system, which can be remotely controllable through a total management system, are provided. A remotely controllable controller for a chemical injecting system comprises: a numerical value indicating part(20) for indicating a set residual chemical concentration/integrated flow amount, a set flow amount value, and a flow amount value; a function setting switch(30) for setting functions such as an injection quantity and an injection time of chemicals; a state indicating part(40) for indicating whether a power source is inputted or not, manual and automatic modes, a lowered chemical level displayed when the injection quality of chemicals is lowered to a predetermined value or less, and whether or not a metering pump for injecting the chemicals is operated; a power source switch(50) for controlling a power source; a manual/automatic selecting switch(60) for selecting a manual mode and an automatic mode; a manual starting switch(70) for manually driving the manual/automatic selecting switch after operating the manual/automatic selecting switch in a manual mode; a central control device(110) for calculating the injection quantity of the chemicals or the flow amount of raw water, and controlling the operation of the metering pump for injecting the chemicals; a memory(120) for storing arithmetic expressions and measured data; a function selecting deep switch(80) for mechanically setting the injection quantity of the chemicals and the flow amount of raw water; a power input terminal(90) for inputting a power source for driving; and an external input/output terminal(100) for receiving measured data and outputting stored data. |
