![\"PET](\"https:\/\/www.recycle-plant.com\/wp-content\/uploads\/2026\/06\/PET-Recycling-Line-Runs-Quieter.jpg\")
1. The Raw Noise Profile: Where is the Noise Coming From?<\/h3>
In a high-capacity plastic processing plant (3000 kg\/h), noise centers around two primary machines:<\/p>
- The Crusher:<\/strong> Driven by a massive 90kw motor, hitting tough plastics with high-speed rotary blades.<\/li>
- The Centrifugal Dryer:<\/strong> Rotating at extremely high RPMs using a 37kw motor to strip moisture.<\/li> <\/ul>
2. The Shuliy Advantage: Our 3 Built-In Noise-Reduction Features<\/h3>
Instead of relying solely on expensive external soundproofing, Shuliy solves the vibration and noise issue at the machine fabrication stage<\/strong>.<\/p>
Feature A: Heavy-Duty Cast Frame (Mass Dampens Vibration)<\/h4>
- The Problem in cheap machines:<\/strong> Light sheet-metal housings vibrate like a guitar body, multiplying the motor and cutting noise.<\/li>
- The Shuliy Advantage:<\/strong> Bizim heavy-duty <\/strong>PET ezici<\/strong> <\/a>(Type 120) is constructed with a 30mm thick solid-steel box frame<\/strong> and heavy 40mm thick blade holders<\/strong>. This massive structural weight absorbs kinetic shocks, dampening vibration noise by up to 8\u201310 dB(A)<\/strong> at the source.<\/li> <\/ul>
Feature B: Standardized Wet Crushing<\/h4>
- The Shuliy Advantage:<\/strong> Our systems are configured exclusively for wet crushing<\/strong>. Injecting a steady stream of water directly into the cutting chamber cools our SKD11 blades<\/strong>, lubricates the material, and creates a thick liquid sound dampening barrier. This alone drops high-frequency plastic cracking noise from an intolerable 105 dB(A) to below 90 dB(A).<\/li> <\/ul>
Feature C: Gravity-Aligned Horizontal Dryer vs. Vertical Dryer<\/h4>
- The Problem in cheap machines:<\/strong> Vertical dryers force heavy PET flakes upward against gravity, placing huge unsymmetrical loads on bottom bearings, causing rattling, vibration, and quick bearing failures.<\/li>
- The Shuliy Advantage:<\/strong> We use a horizontal centrifugal dryer<\/a>. With a 37kw motor<\/strong> running on heavy-duty dual-end bearings, the mechanical load is distributed evenly along the horizontal axis. This reduces structural shake and prevents high-frequency wind-shearing noise.<\/li> <\/ul>
3. Smart Layout Engineering for Plant Operators<\/h3>
For high-capacity plants <\/a>(3000 kg\/h), we recommend two layout tactics:<\/p>
- The Shuliy Advantage:<\/strong> We use a horizontal centrifugal dryer<\/a>. With a 37kw motor<\/strong> running on heavy-duty dual-end bearings, the mechanical load is distributed evenly along the horizontal axis. This reduces structural shake and prevents high-frequency wind-shearing noise.<\/li> <\/ul>
- The Problem in cheap machines:<\/strong> Vertical dryers force heavy PET flakes upward against gravity, placing huge unsymmetrical loads on bottom bearings, causing rattling, vibration, and quick bearing failures.<\/li>
- The Shuliy Advantage:<\/strong> Bizim heavy-duty <\/strong>PET ezici<\/strong> <\/a>(Type 120) is constructed with a 30mm thick solid-steel box frame<\/strong> and heavy 40mm thick blade holders<\/strong>. This massive structural weight absorbs kinetic shocks, dampening vibration noise by up to 8\u201310 dB(A)<\/strong> at the source.<\/li> <\/ul>
- The Centrifugal Dryer:<\/strong> Rotating at extremely high RPMs using a 37kw motor to strip moisture.<\/li> <\/ul>