Extracting and drying system for lithium battery diaphragm production

The invention relates to an extraction drying system for lithium battery diaphragm production, which comprises an extraction module, and is characterized by further comprising an air drying module, a low-pressure drying module, a transportation module and a solution collection module, the air drying module comprises a first sealing cavity and a first heating module arranged in the first sealing cavity. The first heating module comprises a heating air outlet plate capable of blowing out inert gas. The low-pressure drying module comprises a second sealing cavity with low pressure and a second heating module arranged in the second sealing cavity. The transportation module sequentially penetrates through the extraction module, the sealing cavity I and the sealing cavity II, the transportation module comprises a rolling shaft group for transporting a diaphragm, and an ultrasonic device is arranged on the rolling shaft group; the sealing cavity I and the sealing cavity II are respectively communicated with the solu