Novel low-emission carbon tank assembly

The utility model provides a novel low-emission carbon tank assembly. Carbon tank assembly shell, wherein the carbon tank assembly shell is provided with two cavities; the two cavities are respectively a first cavity and a second cavity; the first cavity is connected with the second cavity through a connecting plate; activated carbon is arranged in the first cavity and the second cavity; an adsorption port and a desorption port are formed in parallel in the carbon tank assembly shell and positioned at the top of the first cavity; the adsorption port and the desorption port are both communicated with the first cavity; top filter cloth is arranged at the communication parts of the adsorption opening and the desorption opening with the first cavity; the carbon tank assembly shell is providedwith an atmospheric port at the top of the second cavity, the atmospheric port is communicated with the second cavity, top filter cloth is arranged at the communication position of the atmospheric port and the second cavity,