Treatment and circulating equipment for car washing water

The utility model discloses a treatment and circulating device for car washing water, comprising a filter. The filter which adopts the nonwoven fabric and the filtration cotton as a filtering body is positioned in a settling tank. The filter is connected with a self-sucking pump via a water inlet pipe. The water outlet of the self-sucking pump is connected with a preceding stage filter cartridge. The preceding stage filter cartridge is provided with a filter core which is composed of an inner and an outer filtering net and stuffed carbon fibres. A rear stage filter cartridge is matched with the preceding stage filter cartridge. The rear stage filter cartridge is provided with one filter core which is composed of one inner and one outer filtering net and stuffed carbon fibres. The upper parts of the preceding stage filter cartridge and the rear stage filter cartridge are provided with a water pipe which is connected with the filter core in series. The rear stage filter cartridge leads out a water outlet pipe, and an ozone generator is arranged on the water outlet pipe and the water inlet pipe. A kickback water pipe is connected with the water outlet and the water outlet pipe of the self-sucking pump. The lower part of the preceding stage filter cartridge is provided with a drain pipe. The utility model which has the advantages of small size, lower manufacture and operation cost, and high working efficiency can realize the functions of purification, decoloring, disinfecting, and deodorizing of the car washing water.