Shaker for Paper Machine
Introduction
The shaker is an essential component in the paper machine, specifically designed to enhance the formation and distribution of fibers during the papermaking process. It plays a crucial role in ensuring uniformity and quality of the paper produced.
Function
1. Fiber Dispersion: By applying a shaking motion to the pulp suspension on the wire, the shaker helps to disperse fibers more evenly. This prevents fiber flocculation and promotes better fiber-to-fiber bonding, resulting in a more uniform paper structure.
2. Water Removal: The shaking action also aids in the removal of water from the pulp. It helps to drive water through the wire, improving dewatering efficiency and contributing to the formation of a stable paper web.
3. Formation Improvement: The consistent shaking ensures that fibers are well-distributed across the entire width and length of the paper web. This leads to improved formation, which is critical for achieving high-quality paper with consistent properties such as strength opacity,, and smoothness.
Construction
1. Frame: The shaker is typically mounted on a sturdy frame that is integrated with the paper machine structure. The frame must be robust enough to withstand the continuous shaking forces and vibrations.
2. Shaking Mechanism: The core of the shaker is its shaking mechanism, which can be driven by various means such as electric motors, hydraulic systems, or mechanical linkages. The mechanism is designed to produce a precise and controlled shaking motion. The frequency and amplitude of the shaking can be adjusted to suit different paper grades and production requirements.
3. Support Rollers: Support rollers are often used to guide and support the wire during the shaking process. These rollers must be carefully aligned and maintained to ensure smooth operation and prevent wire damage.
4. Control System: Modern shakers are equipped with advanced control systems that allow for precise monitoring and adjustment of the shaking parameters. This ensures optimal performance and adaptability to changing process conditions.
Operation
1. Startup: Before starting the paper machine, the shaker should be checked for proper lubrication, alignment, and mechanical integrity. Once the machine is running and the pulp is being deposited on the wire, the shaker is activated. The shaking frequency and amplitude are gradually adjusted to achieve the desired formation and dewatering effects.
2. Monitoring: During operation, the shaker’s performance should be closely monitored. Key parameters such as shaking frequency, amplitude, and motor load should be continuously checked to ensure stable operation. Any signs of abnormal vibration or noise should be promptly investigated and addressed.
3. Maintenance: Regular maintenance is crucial for the reliable operation of the shaker. This includes lubrication of moving parts, inspection of wear components, and calibration of the control system. Proper maintenance can extend the service life of the shaker and minimize downtime.
Conclusion
The shaker is an indispensable part of the paper machine, contributing significantly to the quality and uniformity of the paper produced. With its precise shaking action, it helps to optimize fiber dispersion, water removal, and paper formation. Proper design, installation, operation, and maintenance of the shaker are essential for achieving efficient and high-quality paper production

4.We have two types of shaker ,

One shaker: Max.mass to be shaken  5000kg ;shake rod force Max.50kN

Amplitude 0-20mm ; Frequency 150-500 strokes/min

Another shaker: Max tractive effort :50KN ; Shake rod force Max.50kN

Amplitude 0-25mm         Shaking frequency .150-500strokes/min