Energy building
The project was carried out as part of the reconstruction investment of the existing production plant. The NAVIC team handled the tasks from the concept through the basic design including the technological design to the multi-discipline executive design with supervision during construction and the start-up.
NAVIC was responsible for technological, HVAC and water installation, electrical and building automation design in all phases of the project. The first 4 storeys of the building were related to the technology of the facility, the next 5 storeys were occupied by the Branch Transformer Stations.
The following technological systems were designed for the building:
– water supply for a recovery boiler with a maximum capacity of 165t/h and a pressure of 143 barg with a system of pumps with electric and steam drive;
– two-stage degassed water 105°C and 150°C with a system of pumps and 2x100m3 tanks and deaerators;
– condensate management with 1x100m3 and 2x30m3 pump system and tanks with fumes management;
– demineralised water with pumping system and tanks 1x100m3;
– preparation of boiler water with a chemical vaccination system;
– steam management from a high pressure recovery boiler 60barg, 277°C; max 115t/h;
– steam reduction system through reduction/drain stations 60/ 25/ 6 barg; 277°CC; max 115t/h and back pressure turbine 60/ 25/ 6 barg, 277°CC; max 82 / 52 t/h;
– steam for copper concentrate dryer – medium pressure 25 barg, 276°C; max 30t/h;
– low-pressure steam 6barg, 165°C; max 115t/h for the needs of the smelter;
– an installation collecting condensate from the concentrate dryer together with heat distribution for own use;
– preparation of domestic hot water for the needs of the smelter in a flow system of 14 MW and with loading of 2x35m3 tanks with the capacity of 165.6 t/h; 60°C; 6barg;
– central heating supply for the plant network of 12.5 MW; 110/70°C, 301 t/h;
– auxiliary systems: compressed dry and wet air; cooling water; industrial water.
