NCH-25A Industrial Water Chiller​

A renewable-powered alkaline electrolysis system with absorption heat pump-based thermal regulation was constructed to mitigate efficiency losses caused by power intermittency.

A chiller is an energy-efficient machine that achieves cooling through a vapor-compression or absorption refrigeration cycle. It is widely used in industrial production, commercial buildings, and residential applications. Its working principle relies on the phase change of refrigerant within a closed-loop system to transfer heat and produce cooling effects.

Modular chiller plants offer scalable cooling through multiple independent circuits. Each 50-500RT module features autonomous controls, allowing capacity adjustment from 10-100% without efficiency loss. Shared pumping systems and N+1 redundancy ensure uninterrupted operation for data centers and hospitals.

Low-temperature chillers (-80°C to -150°C) employ cascade or two-stage compression systems. Specialized compressors handle refrigerants like R23 and R508B, while brazed plate evaporators prevent frost buildup. These systems are critical for pharmaceutical freeze-drying, semiconductor testing, and special materials research.

IoT-enabled chillers feature adaptive control algorithms that optimize performance in real-time. Built-in sensors monitor evaporator approach temperature, condenser subcooling, and compressor discharge temperature. Cloud connectivity allows remote diagnostics and predictive maintenance, reducing downtime by 30% in commercial HVAC applications.

Compact air-cooled chillers integrate all components in a single footprint under 1m². Microchannel condensers and scroll compressors enable quiet operation (<60dB), ideal for laboratories and telecom shelters. These portable units deliver 0.5-20kW cooling capacity with plug-and-play installation, requiring only electrical power and minimal airflow.

Modern chillers achieve remarkable energy efficiency through advanced technologies. Variable-speed compressors adjust cooling capacity dynamically, while plate heat exchangers maximize thermal transfer. Eco-friendly refrigerants like R513A minimize global warming potential (GWP<1), helping facilities meet sustainability goals with energy savings up to 50% compared to conventional systems.

Industrial chillers provide precise temperature control for manufacturing processes. Using robust scroll or screw compressors, these systems maintain stable cooling from +30°C to -60°C. Process chillers often incorporate secondary heat exchangers, corrosion-resistant materials, and high-pressure controls to withstand harsh factory environments in plastics, chemical, and metal processing industries.