Paper and chemical production place machinery under heavy loads, humidity, heat, acidic or alkaline corrosion and contamination. Lubrication affects equipment life, production stability and energy costs. Poorly matched conventional oils can emulsify, coke or allow rust and wear, causing shutdowns and higher maintenance costs. This solution matches lubricants and maintenance practices to the two industries' distinct requirements.
Papermaking includes pulping, sheet forming, drying and winding, using refiners, pressure screens, paper machines, drying cylinders and winders. White water, fiber dust and process chemicals combine with humid, dusty conditions and 24-hour heavy-duty operation. Bearings, gearboxes and circulation systems need resistance to emulsification, corrosion, particles and high-temperature oxidation that can otherwise cause noise and accelerated drive wear.
Fine-chemical, petrochemical and coal-chemical equipment includes reactors, reducers, centrifugal pumps, compressors and heat exchangers under high temperature, pressure, corrosive media and washout. Direct process contact can expose incompatibility, oxidation and film breakdown, damaging gears and bearings or contaminating products. Frequent starts and stops can also interrupt lubrication.
Selection emphasizes demulsibility, corrosion protection, long life and contamination resistance. For refiner and pressure-screen reducers exposed to white water and fibers, L-CKD heavy-duty industrial gear oil provides rapid water separation and extreme-pressure/antiwear protection while resisting acidic and alkaline media.
For central circulation systems and hot drying-cylinder bearings, synthetic paper-machine circulating oil combines quality synthetic base oil and multifunctional additives for oxidation resistance, foam control and detergency/dispersancy. It limits hot deposits and sludge during continuous operation.
For wet-end components and couplings, synthetic lithium-complex grease offers hydrolytic stability and low-temperature starting performance, maintaining a film in wet acidic or alkaline environments and preventing bearing rust and seizure. Periodic system flushing removes residual sludge and contaminants to maintain circulation.
Selection emphasizes media compatibility, heat resistance, corrosion resistance and stability. High-temperature synthetic gear oils and antiwear hydraulic oils serve compressors and reactor reducers under high pressure and temperatures above 200°C, resisting oxidation and maintaining film strength against dry friction.
Special anticorrosion greases suit high-speed transfer pumps, agitators and centrifuges exposed to acids, alkalis and solvents. Compatibility prevents lubricant/process reactions, degradation and product contamination. Low-pour-point antiwear oils support cold starts and intermittent operation. Seal-compatible lubricants prevent aging and leakage, reducing losses and operating risks.
Set equipment-specific oil-change intervals using duty, operating hours and oil-analysis results rather than a single fixed schedule, avoiding both wasteful early changes and overdue failures. Monitor viscosity, water, acid number and contamination to identify deterioration and replace failed lubricant promptly. Protect lubrication points with effective seals and remove dust and debris. Standardize filling and replenishment to avoid mixing, starvation and overfilling.
Effective management reduces wear, downtime, replacement parts, lubricant consumption and friction-related energy losses. Matching products, equipment-specific application and standardized maintenance addresses emulsification, corrosion, deposits, wear, media incompatibility and energy waste. It protects production equipment and supports continuous, efficient and lower-cost operation in both industries.
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