Papermaking involves high-energy, continuous processes where equipment stability directly impacts output and quality. The Shuyi Paper Mill Frequency Converter is engineered to meet these unique demands, enhancing every key link of papermaking.
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1. Tailored for Papermaking Core Processes
Shuyi’s converter fits perfectly with papermaking’s core equipment. It works seamlessly with pulp pumps, agitators, and screeners in the pulp preparation stage.
For the forming section, it adjusts the wire speed precisely to match pulp flow. This ensures uniform paper thickness, a critical factor for consistent product quality.
In the finishing stage, it controls the winder and slitter speed synchronously. This avoids paper breaks or wrinkles, reducing waste in the final production link.
2. Energy Saving for High-Consumption Equipment
Paper mills are energy-intensive, with dryers and pulp pumps being major energy users. The Paper Mill Frequency Converter cuts their energy consumption significantly.
It adjusts motor speed based on real-time production needs. For example, when pulp demand drops, it reduces the pump speed instead of keeping it at full load.
A medium-sized paper mill reported a 18% reduction in dryer-related energy bills after switching to Shuyi’s converter, thanks to its optimized energy-saving algorithm.
3. Dust & Moisture Resistance for Mill Environments
Paper mills have high humidity and paper dust, which pose risks to standard frequency converters. Shuyi’s model addresses this with targeted protection design.
It adopts a sealed enclosure with enhanced dust-proof gaskets. This prevents paper dust from entering and clogging internal components like heat sinks.
The converter’s internal circuits are treated with moisture-proof coating. This ensures stable operation even in the high-humidity environment of the drying section.
4. Precise Speed Control for Paper Quality
Paper quality relies heavily on precise speed control of production lines. Even slight speed fluctuations can cause uneven thickness or surface defects.
Shuyi’s Paper Mill Frequency Converter offers 0.01Hz speed resolution. This level of precision keeps the wire and dryer speeds in perfect sync.
It also supports smooth speed ramping. When starting or adjusting the line, it avoids sudden speed changes that could tear the wet paper web.
5. Reliable Protection for Uninterrupted Production
Unplanned downtime in paper mills leads to huge losses. Shuyi’s converter is equipped with multiple protection functions to ensure continuous operation.
It has overload, overvoltage, and overheating protection. If the motor is overloaded due to pulp blockage, the converter shuts down automatically to prevent damage.
A fault self-diagnosis function alerts operators to issues like loose wiring or sensor malfunctions. This allows timely maintenance before problems escalate.
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Zhejiang SHUYI Electric Co., LTD, Focus On Switches With 30 Years.
