Beehive indoor-air alternate-working dehumidification system with sterilization function and method

A beehive indoor-air alternate-working dehumidification system with a sterilization function, comprising:

• a fresh air dehumidification system, a sterilization and disinfection system, and a return air desorption system, wherein
• the fresh air dehumidification system comprises a fan (1), a filter (2), a first three-way valve (3), a first duct (4), a second duct (13), a first dehumidification apparatus (9), a second dehumidification apparatus (10), a first moisture absorbing material (27), a second moisture absorbing material (28), a first temperature and humidity sensor (11), and a second temperature and humidity sensor (12), an inlet of the first three-way valve (3) is connected to the filter (2), a first outlet of the first three-way valve (3) is connected to the first duct (4), a second outlet of the first three-way valve (3) is connected to the second duct (13), the first duct (4) is sequentially connected to the fan (1), the filter (2), the first three-way valve (3), a first sterilization box (5), the first dehumidification apparatus (9), and the first temperature and humidity sensor (11), the second duct (13) is sequentially connected to the first three-way valve (3), a second sterilization box (6), the second dehumidification apparatus (10), and the second temperature and humidity sensor (12), and the first moisture absorbing material (27) and the second moisture absorbing material (28) are respectively located inside the first dehumidification apparatus (9) and the second dehumidification apparatus (10);
• the sterilization and disinfection system comprises a third duct (14), a fourth duct (31), the first sterilization box (5), the second sterilization box (6), a third sterilization box (7), a fourth sterilization box (8), a first sterilizer (15), a second sterilizer (16), a third sterilizer (17), a fourth sterilizer (18), a fifth sterilizer (19), a sixth sterilizer (20), a seventh sterilizer (21), and an eighth sterilizer (22), a left end of the third duct (14) is connected to a right end of the first duct (4) to form one pipe, and a left end of the fourth duct (31) is connected to a right end of the second duct (13) to form one pipe;
• the first sterilization box (5) is mounted at a section in the first duct (4), and is in front of the first three-way valve (3) and behind the first dehumidification apparatus (9) in a flow direction of the first duct (4), the second sterilization box (6) is mounted on the second duct (13), and is in front of the first three-way valve (3) and behind the second dehumidification apparatus (10) in a flow direction of the second duct (13), the third sterilization box (7) is mounted on the third duct (14), and is in front of a second three-way valve (25) and behind a fourth three-way valve (32) in a flow direction of the third duct (14), the fourth sterilization box (8) is mounted on the fourth duct (31) in front of a third three-way valve (26) and behind a fifth three-way valve (33) in a flow direction of the fourth duct (31), and the flow directions of the ducts are all from the fan (1) to outlets at distal ends of the third duct (14) and the fourth duct (31);
• and the first sterilizer (15) and the second sterilizer (16) are mounted on a left side and a right side in a box body of the first sterilization box (5), the third sterilizer (17) and the fourth sterilizer (18) are mounted on a left side and a right side in a box body of the second sterilization box (6), the fifth sterilizer (19) and the sixth sterilizer (20) are mounted on a left side and a right side in a box body of the third sterilization box (7), and the seventh sterilizer (21) and the eighth sterilizer (22) are mounted on a left side and a right side in a box body of the fourth sterilization box (8);
• and
• the return air desorption system comprises a first by-pass duct (23), a second by-pass duct (24), the second three-way valve (25), the third three-way valve (26), the fourth three-way valve (32), the fifth three-way valve (33), a first heater (29), a second heater (30), a first drainage hole (34), a second drainage hole (35), a first water storage tray (36), and a second water storage tray (37), an entrance and an outlet of the first by-pass duct (23) are located on two sides of the second sterilization box (6) and are connected to the third duct (14), an inlet of the second three-way valve (25) is connected to an outlet of the first dehumidification apparatus (9), a first outlet of the second three-way valve (25) is connected to an entrance of the third sterilization box (7), a second outlet of the second three-way valve (25) is connected to the first by-pass duct (23), an inlet of the third three-way valve (26) is connected to an outlet of the second dehumidification apparatus (10), a first outlet of the third three-way valve (26) is connected to an entrance of the fourth sterilization box (8), a second outlet of the third three-way valve (26) is connected to the second by-pass duct (24), an entrance and an outlet of the second by-pass duct (24) are located on two sides of the fourth sterilization box (8) and are connected to the fourth duct (31), an inlet of the fourth three-way valve (32) is connected to the distal end of the third duct (14), a first outlet of the fourth three-way valve (32) is connected to an outlet of the third sterilization box (7), a second outlet of the fourth three-way valve (32) is connected to the first by-pass duct (23), an inlet of the fifth three-way valve (33) is connected to the distal end of the fourth duct (31), a first outlet of the fifth three-way valve (33) is connected to an outlet of the fourth sterilization box (8), and a second outlet of the fifth three-way valve (33) is connected to the second by-pass duct (24);
• the first heater (29) is mounted on the first by-pass duct (23), and the second heater (30) is mounted on the second by-pass duct (24);
• and the first drainage hole (34) and the second drainage hole (35) are respectively opened in bottoms of left ends of the first dehumidification apparatus (9) and the second dehumidification apparatus (10), the first water storage tray (36) is located below the first drainage hole (34), and the second water storage tray (37) is located below the second drainage hole (35).