SHPHE received repeat order from customer in Australia
Recently, SHPHE received repeat order from custome...
MoreA chilled water plate heat exchanger is a highly efficient thermal transfer device designed to cool or heat fluids in industrial, commercial, and HVAC systems. It consists of multiple thin, corrugated metal plates stacked together, creating alternating channels for hot and cold fluids to flow without mixing. These exchangers are widely used in data centers, manufacturing plants, and district cooling systems due to their compact design, superior heat transfer efficiency, and low energy consumption. Compared to traditional shell-and-tube heat exchangers, plate models offer up to 50% better thermal performance while occupying 80-90% less space. Common materials include stainless steel (AISI 304/316) for corrosion resistance and titanium for seawater applications.
Chilled water plate heat exchangers operate on the principle of conductive and convective heat transfer between two fluids separated by metal plates. As chilled water (typically at 6-12°C) flows through alternate channels, it absorbs heat from the warmer process fluid (e.g., 25-35°C glycol solution) in adjacent channels. The corrugated plate pattern creates turbulent flow, enhancing heat transfer coefficients to 3,000-7,000 W/m²K – 3-5 times higher than shell-and-tube designs. Gasketed models allow easy disassembly for cleaning, while brazed versions (with copper or nickel solder) handle higher pressures up to 30 bar. Modern units achieve approach temperatures as low as 1-2°C, with typical heat recovery rates exceeding 90%. Variable plate geometries optimize performance for specific applications, such as high ΔT scenarios in beverage cooling or precise temperature control in pharmaceutical processes.
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