Polyacrylonitrile (PAN) Solution Continuous Deaeration Device ——An Efficient, Stable, and Intelligent Bubble Removal Solution

High-performance PAN solution is crucial for producing high-quality PAN precursor fibers. During processes such as polymerization, mixing, and transportation—whether via the one-step or two-step method—the PAN spinning dope tends to absorb gases, forming bubbles. These bubbles can severely compromise spinning stability and the quality of the precursor fibers, ultimately affecting the mechanical properties and defect rate of the resulting carbon fibers. Therefore, deaeration treatment is essential before spinning to ensure precursor fiber quality.

To address the limitations of conventional deaeration methods, such as atmospheric static deaeration and continuous vacuum deaeration, the Technical Department of Oriental Energy carbon fiber project , in collaboration with Shandong University's Carbon Fiber Research Center, conducted in-depth research on material characteristics, processes, and equipment. Drawing on domestic and international technological advancements, they developed a continuous deaeration device.

This device employs an efficient, fully automated continuous deaeration process to achieve precise bubble separation and stable control. Its effectiveness has been verified on Shandong University's pilot precursor fiber production line. The application of this technology will enhance Oriental Energy's carbon fiber production efficiency, product quality, and cost reduction.

Application Fields

- PAN-based carbon fiber precursor

- Synthetic fiber spinning

- Specialty acrylic fiber production