Air pipe heat preservation cotton paving device in limited space and paving method of air pipe heat preservation cotton paving device

The invention relates to an air pipe heat preservation cotton paving device in a limited space and a paving method thereof. The air pipe heat preservation cotton paving device comprises a vertically-arranged base, and a containing groove is formed in one side of the base in the length direction of the base in a full-length mode; the operating rod is mounted on the other side of the base; the gluing wheel is rotatably installed in the containing groove through a rotating shaft, a gap allowing the heat preservation cotton to penetrate through is formed between the gluing wheel and the bottom wall of the containing groove, and the surface of the gluing wheel is coated with glue; the compaction wheel is rotatably installed in the containing groove through a shaft rod, the end portion of the heat preservation cotton stretches into and extends to the outer side of the compaction wheel from the gap, the side, away from the compaction wheel, of the heat preservation cotton stretches out of a groove opening of the con