Exhaust Gas Economizer · Boilers
The Kangrim KRE-300 is an exhaust gas economizer. It is normally installed in the uptake or exhaust duct connected to a water, steam or thermal circuit. It is designed for recovery of engine exhaust heat to reduce auxiliary fuel demand. In operation, hot exhaust gas transfers energy through heating surfaces into the connected fluid circuit. Compared with neighbouring models, the relevant differences are thermal duty, gas flow, heating-surface area, circulation and pressure rating; these must be confirmed from the installed documentation rather than inferred from the model designation alone. Service and survey attention should concentrate on soot/corrosion, circulation, leakage, exhaust back pressure and thermal expansion. For exact ratings, dimensions, tolerances, test limits and model-specific settings, refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect pressure parts or heater coils, heat-source/burner and refractory where applicable, gas-side cleanliness, circulation/feed systems and water or thermal-fluid condition. Verify level, pressure, temperature, flow, safety valves and shutdown/interlock functions applicable to the design. Review treatment, blowdown, soot-cleaning and operating records and use manufacturer/class procedures for pressure tests.
Carry approved gaskets, valve service parts, relevant pump seals/bearings, temperature/pressure/level sensors and heat-source-specific spares such as burner ignition/flame components or soot-cleaning parts. Pressure-part repair materials should only be used under approved manufacturer and class procedures.
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