Backwashing, dirt-discharging and filtering physical water processing equipment without energy consumption for air conditioner water

The utility model discloses backwashing, dirt-discharging and filtering physical water processing equipment without energy consumption for air conditioner water. The equipment comprises a water inlet pipe, a dirt discharging pipe and a water outlet pipe, and also comprises one sand cylinder filtering, backwashing and dirt-discharging system, one ultraviolet germicidal cavity system and one electromagnetic wave water softening and descaling device; the sand cylinder filtering, backwashing and dirt-discharging system comprises a first electric three-way valve, a second electric three-way valve, a third electric three-way valve, a sand cylinder, a filtering sprinkler head, a backwashing assembly and a water pump; the electromagnetic wave water softening and descaling device is an electromagnetic wave scale remover; and the ultraviolet germicidal cavity system comprises two ultraviolet germicidal cavities which are connected in series. A physical water processing system which is efficient in filtration and dirt d