The invention discloses a car carbon tank with a multi-cavity filter function. The tank comprises a tank body, four partition boards are fixedly mounted in the tank body, the interior of the tank bodyis sequentially divided into a purifying cavity, an
active carbon cavity and a mixing cavity from bottom to top through the four partition boards, the side faces, close to the inner side wall of thetank body, of the partition boards are in clamped connection with ventilation pipes, the side faces, corresponding to the interior of the tank body, of the partition boards are fixedly provided with isolation net plates through fixed plates, when air enters an air circulation
pipe through a fixed cylinder, under the effect of an
air filter net in the fixed cylinder, dust in air can be filtered, dust stays on the surface of the
air filter net, when the air flows in the air circulation
pipe, due to the fact that the outer surface of the air circulation
pipe is of a net-shaped
honeycomb structure, the air can make contact with
calcium chloride particles filled in the purifying cavity, the
calcium chloride particles can absorb water in the air, the tank has the advantages of being good in dustremoval and
humidity removal effect, simple in structure, convenient to use and the like, and the service life of the carbon tank can be greatly prolonged.