TECHNOLOGY FOCUS - MECHANICAL ENGINEERING - Preferred Components: The optical light-taking mirror set (9) is a convex lens set or a concave lens set. The integrated energy-saving and environment-protecting system further comprises a sunshine auto-tracking system comprising a solar panel (12); a microcontroller (MCU), an electric motor driving part, a relay control part, and an external motor; the solar panel (12) is provided on the optical light-taking mirror set (9); the MCU reads out the open circuit voltage of the solar panel (12) and computes it to transmit the output signal to the input end of the electric motor driving part; the signal output by the electric motor driving part is transmitted through the relay control part and finally acts on a driving mechanism; the driving mechanism comprises an external motor (62), a transmission connecting rod (63), a long connecting rod (64), and a short connecting rod (65); one end of the transmission connecting rod (63) is axially connected with the output shaft of the external motor (62), and the other end is connected with the end portion of the long connecting rod (64); one end of the short connecting rod (65) is fixedly fitted to the central shaft (66) of the optical light-taking mirror set (9), and the other end is axially connected with the heat receptor (10); and the central shaft (66) is axially connected with the long connecting rod (64). An air passage (1) and an air port (4) are provided on the facade of the main body of building (6); an electricity generation device (7) is configured at the upper part of the main body of building (6); a wind collecting mechanism (5) is provided on the air port (4); and the power distribution output port of the wind collecting mechanism (5) is connected with the input port of the electricity generation device (7). A wind edge (8) is configured at the upper part of the air port (4). An automatic temperature-sensing window and a control part of automatic temperature-sensing window are equipped at the window part of the main body of building (6); the automatic temperature-sensing window comprises a window shaft (13), a window curtain (14) coupled to the window shaft (13), and a driving motor (15); the control part of automatic temperature-sensing window comprises a temperature sensor, an MCU, and an electric motor driving part; the temperature sensor transmits its acquired room temperature signal to MCU for processing; and the signal output by MCU is transmitted through the electric motor driving part and finally acts on an the driving motor (15). An exhaustion system (16) is equipped in the main body of building (6); a force-exhaustion passage (17) is provided at the end part of the main body of building (6); the force-exhaustion passage (17) is interconnected with the exhaustion system pipeline (18); the force-exhaustion passage (17) is equipped with a forcing exhauster (19); and an air door (20) is constructed at the port part of the exhaustion system pipeline (18). Silencing pipes (21) are distributed in the floor-slab of the main body of building (6); and sound-absorbing fiber (22) is provided at the inside and outside the silencing pipe (21) respectively. A supporting member (24) is disposed in the wall (23) of the main body of building (6); the supporting member (24) comprises a basal plate (25) and a supporting plate (26) arranged vertical to the basal plate (25). The integrated energy-saving and environment-protecting system further comprises a septic biogas system comprising a biogas pool (27), a hydraulic room (28) which is interconnected with the biogas pool (27) at bottom, a heater (29), and a exhausting well (31); a heating pipe (30) is further provided in the biogas pool (27); the heater (29) is interconnected with the heating pipe (30); and the upper part of the hydraulic room (28) is interconnected with the cavity of exhausting well (31). The integrated energy-saving and environment-protecting system further comprises a normal water recycling system comprising a grate (32), a hair gather (33), an oil-insulating sedimentation tank (34), an anoxic pool (35), an aerobic pool (36), a vertical flow sedimentation tank (37), a sand-filtering cylinder (38), clear water and disinfection pools (39, 40), and a chlorine dioxide generator (41); the grate (32) is interconnected with the inlet of hair gather (33) by pipeline, the outlet of hair gather (33) is interconnected with the inlet of oil-insulating sedimentation tank (34); the outlet of oil-insulating sedimentation tank (34) is interconnected with the inlet of anoxic pool (35); the bottom of anoxic pool (35) is interconnected with the cavity of the aerobic pool (36); the outlet of the aerobic pool (36) is interconnected with the inlet of the vertical flow sedimentation tank (37), and the outlet of vertical flow sedimentation tank (37) is divided into three ways: the first one is interconnected with the inlet of sand-filtering cylinder (38); the second one is interconnected with the aerobic pool (36); and the second one is interconnected with the inlet of anoxic pool (35), the outlets of the sand-filtering cylinder (38) and the chlorine dioxide generator (41) are interconnected with the inlets of the clear water and disinfection pools (39, 40); and the soil discharging devices of oil-insulating sedimentation tank (34), vertical flow sedimentation tank (37) and the anoxic and aerobic pools (35, 36) are interconnected with the material inlet of the biogas pool (27) in the septic biogas system.