Heating, Sanitary, and Ventilation Systems for Bezirksklinikum Mittelfranken

Heating, sanitary, and ventilation systems: Heating: Wood chip boiler, 1,700 kW, with discharge, flat grate firing, flue gas cleaning (cyclone + fabric filter), control 1 pc.; Gas boiler, approx. 1,950 kW, incl. forced draft burner DN80 1 pc.; Air-water high-temperature heat pump, 115 kW, R290, incl. cascade control 3 pcs.; Freestanding double-flue steel chimney system, H = 31.7 m 1 pc.; Hot water buffer tank, 63 m³, vertical, incl. insulation 1 pc.; Heat distribution / pipe network: Steel pipes, welded, DN15 – DN250 approx. 730 m; Valves (shut-off valves, check valves, non-return valves, strainers) DN15 – DN200 approx. 150 pcs.; Centrifugal pumps (network, boiler, heat pump circuit) 10 pcs.; Distributor/collector DN400, plate heat exchanger 300 kW 2 pcs.; Pressure maintenance station incl. diaphragm expansion vessels (4,000 l) 3 pcs.; Underground district heating pipeline, plastic-jacketed pipe DN200 (of which approx. 90 m in microtunnel DN500) approx. 315 m. Sanitary: Drinking/process water separation station 1 pc.; Stainless steel pipes, pressed, 15 – 28 mm approx. 130 m. Ventilation (combustion air): Rectangular, galvanized ventilation ducts approx. 90 m²; Silencers/weather protection grilles/louver dampers 6 pcs.

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