Ultra shallow aeration microbial biochemical bed, and sewage processing system

The invention relates to an ultra shallow aeration microbial biochemical bed. The ultra shallow aeration microbial biochemical bed comprises a bed body, a micropore aeration pipe, an auxiliary heating pipe, an overflow pipe, a gas guide pipe, a defoaming net, and a microbial carrier; the auxiliary heating pipe is fixedly arranged at the internal bottom of the bed body; the micropore aeration pipe is fixedly arranged above the auxiliary heating pipe; the overflow pipe is arranged on one end of the internal part of the bed body; the microbial carrier is arranged in the bed body; the defoaming net is horizontally arranged above the microbial carrier. The invention also discloses a sewage processing system comprising a sewage processing tank, a sewage tank, a first metering box, a second metering box, a blower fan, and a heat source; the sewage processing tank is composed of one water storage box and a plurality of the ultra shallow aeration microbial biochemical beds. The ultra shallow aeration microbial biochem