Direct air carbon capture and adsorption device and system

The utility model discloses a direct air carbon capture and adsorption device and system, and the device comprises an adsorption assembly which comprises an adsorption cabin, the bottom end of the adsorption cabin is connected with an air inlet pipe, the top of the adsorption cabin is provided with a feeding pipe and an air outlet piece, and the bottom of the adsorption cabin is provided with a discharging pipe; the cooling assembly comprises a cooling material cabin, the cooling material cabin is located above the adsorption cabin, the cooling material cabin is communicated with the adsorption cabin through a feeding pipe and an air outlet piece, the regeneration cabin is connected with a discharging pipe of the adsorption cabin through a conveying belt, an annular cooling pipe is arranged in the regeneration cabin, and steam is introduced into the annular cooling pipe. According to the system, carbon dioxide capture is performed through the adsorption cabin, carbon dioxide adsorbent desorption is performed