Absorption device based on double desorption units and production system

The invention discloses an absorption device based on double desorption units and a production system. The absorption device comprises a container body, a first liquid supply pipeline, a second liquid supply pipeline and a gas inlet pipeline, and the first end of the first liquid supply pipeline extends into a containing cavity from the outer side of the container body; the first end of the second liquid supply pipeline extends into the accommodating cavity from the outer side of the container body and is positioned in the middle of the absorption area; one end of the air inlet pipeline extends into the accommodating cavity from the outer side of the container body and is positioned below the absorption area; a first control switch is arranged on the second liquid supply pipeline, the second liquid supply pipeline at the upstream of the first control switch is communicated with the first liquid supply pipeline through a third liquid supply pipeline, and a second control switch is arranged on the third liquid