Chapter IX Environmental Protection Design
Sewage and pollutant treatment
Sanitary sewage up to national Grade 1 emission standard after the treatment of regulation、precipitation and sterilization by CL buried sewage treatment plant.
Waste is collected in bags; every floor has a waste collecting room, and then sent to the refuse collecting & distributing centre downstairs.
Vibration and noise reduction
Vibration isolation cushion is placed in the base of vibrating plants such as pump, sound-absorbing cover is equipped for motors.
The connecting part between pump and network is equipped with flexible rubber joint and support suspended frame to reduce vibration and noise.
The liquid flow rate in the pipe network is 2.0-2.5m/s
Cheek valve is silent check valve
Design of heat supply and environment protection
Pump and motors are high efficiency & low noise type.
Air intake and air outlet of motors use metal hose expansion joint; Entrance and exit of pump use rubber flexible connectors.
Plants installed below beams or floor are supported by support suspended frame.
Inside wall of pump chamber is adhibited with sound absorption material, equipped with double layer sound isolation door.