Coupling device of adsorption and aeration filter tank and soil infiltration-ecological pond and application of coupling device

The invention discloses a sequencing-batch-type coupling device of an adsorption and aeration filter tank and a soil infiltration-ecological pond and application of the coupling device in sewage treatment.The device comprises a concentration tank, a WAR reactor, a heat exchanger, a PACT tank, an ammonia nitrogen aeration biological adsorption filter tank, a sewage backflow tank, a sewage denitrification tank, a deep phosphorus adsorption filter tank, a soil infiltration device and an ecological pond; the concentration tank is connected with the WAR reactor, the WAR reactor is connected with the heat exchanger, the heat exchanger is connected with the PACT tank, the PACT tank is connected with the concentration tank and the ammonia nitrogen aeration biological adsorption filter tank, the ammonia nitrogen aeration biological adsorption filter tank is connected with the sewage backflow tank, the sewage denitrification tank and the deep phosphorus adsorption filter tank, the deep phosphorus adsorption filter tank is connected with the soil infiltration device, and the soil infiltration device is connected with the ecological pond.According to the device, contaminants in the sewage can be removed, the energy consumption and cost in the treatment process are significantly reduced, and the resource recycling process is better achieved.