Washing/drying machine and deodorization apparatus

A washing/drying machine which has a deodorization function for deodorizing a daily commodity by using cleaning air, the washing/drying machine comprising:

• a washing tub having a drain port;
• a water supply passage through which water is supplied into the washing tub, the water supply passage having a water supply trap portion;
• a drain passage through which water is drained out of the washing tub from the drain port, the drain passage having a drain trap portion;
• a heating means which heats cleaning air in the washing tub;
• a cleaning air supply means which supplies the cleaning air into the washing tub;
• a cleaning air elimination means which eliminates the cleaning air supplied into the washing tub;
• a separate water passage provided separately from the water supply passage, the separate water passage for supplying water directly to the drain port of the washing tub;
• and
• a control means including an operation period setting means which sets a deodorization operation period, the control means configured to
• form traps in the water supply trap portion and the drain trap portion based on an operation start signal,
• cause the cleaning air supply means to supply the cleaning air after the formation of the traps,
• cause the heating means to heat the cleaning air in the washing tub to maintain an inside air temperature of the washing tub within a predetermined temperature range,
• cause the cleaning air supply means to stop the supply of the cleaning air and turn on the cleaning air elimination means a predetermined period before an end of the deodorization operation period so as to eliminate the supplied cleaning air by the end of the deodorization operation period,
• supply a predetermined amount of water into the water supply passage to retain water in the water supply trap portion to form a water supply trap, and
• supply a predetermined amount of water directly into the drain port through the separate water passage to retain water in the drain trap portion to form a drain trap.