Hydroponic Farm — PLC-Controlled Blending RO
In-house hydroponic RO with Siemens PLC/HMI; precise blending preserves minerals.
A 1 t/h (1 m³/h) hydroponic-dedicated RO system, designed and developed in-house, was installed for a new strawberry hydroponic farm in Cheongdo.
Solution — hydroponic RO (PLC blending)
Unlike conventional RO that delivers pure water only, this system precisely blends raw and permeate water so beneficial minerals remain for the crop.
- Siemens PLC + touchscreen control — easy setpoint changes and maintenance
- Raw-plus-permeate blending with an emergency-supply line
- EC meter manages blend ratio and quality
- Pretreatment: anthracite filtration and softening resin
Installation & commissioning
Layout optimization, pretreatment charging, control valves/piping/electrical, then commissioning (operation, leak, EC) and operator training.
Result
Mineral-bearing irrigation water for healthy crops, with precise PLC-based control — purpose-built for hydroponic agriculture.
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