Importance and Application of Sealing Technology for Reaction Equipment in Ink Production
Ink production involves chemical reactions of various solvent-based materials, and the sealing performance of reaction equipment is directly related to production safety and product purity. Industry technical specifications clearly require that ink reaction equipment should adopt a double-sealing structure. The primary seal uses mechanical sealing, which achieves basic sealing of the reaction cavity through the precise cooperation of the moving ring and the stationary ring. The surface roughness of the sealing surface must reach below Ra 0.2μm to ensure no leakage under a working pressure of 0.8MPa. The secondary seal adopts magnetic fluid sealing technology, which uses the fluidity and sealing property of magnetic fluid under the action of a magnetic field to form a reliable protective barrier, effectively preventing the escape of volatile organic solvents and meeting environmental emission requirements. In addition, the sealing system must be equipped with an online leakage monitoring device. When a seal failure is detected, it can alarm in real time and automatically cut off the material supply to ensure the safety and controllability of the production process.
Oct 30,2025
Ink production involves chemical reactions of various solvent-based materials, and the sealing performance of reaction equipment is directly related to production safety and product purity. Industry technical specifications clearly require that ink reaction equipment should adopt a double-sealing structure. The primary seal uses mechanical sealing, which achieves basic sealing of the reaction cavity through the precise cooperation of the moving ring and the stationary ring. The surface roughness of the sealing surface must reach below Ra 0.2μm to ensure no leakage under a working pressure of 0.8MPa. The secondary seal adopts magnetic fluid sealing technology, which uses the fluidity and sealing property of magnetic fluid under the action of a magnetic field to form a reliable protective barrier, effectively preventing the escape of volatile organic solvents and meeting environmental emission requirements. In addition, the sealing system must be equipped with an online leakage monitoring device. When a seal failure is detected, it can alarm in real time and automatically cut off the material supply to ensure the safety and controllability of the production process.
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