In organic fertilizer production lines, separating finished fertilizer from return materials is a critical step in ensuring product quality and production efficiency. The following are several common separation technologies and equipment:

1. Rotary Drum Screener

Rotaty drum screeners are commonly used in organic fertilizer production, primarily for separating finished products from return materials and also for grading finished products. They work by separating materials of varying particle sizes using screens of varying apertures.

2. Vibrating Classifying Screens

Vibrating classifying screens can perform multi-stage screening, effectively separating materials of varying particle sizes. Features include low vibration, low noise, easy screen changes, and a screen surface cleaning device. In organic fertilizer production, vibrating classifying screens can be configured with multiple screens to separate unqualified particles. Fines and oversized particles are returned to the crushing or granulation process for reprocessing.

3. Return Material Conveying System

The return material conveying system is a crucial step in handling the separated materials. Belt conveyors or screw conveyors transport the screened return materials back to the appropriate process for reprocessing. 4. Process Optimization

In organic fertilizer production lines, optimizing process flows can improve separation efficiency and product quality. Specific measures include:

Multi-stage screening: Installing multiple vibrating screens separates materials of varying particle sizes, ensuring uniform finished product granules.

Closed-loop production: Establishing a closed-loop production system returns unqualified materials to the appropriate process for reprocessing, reducing waste.

Drying and cooling control: Controlling the drying and cooling processes prevents particle cracking or deformation, ensuring product quality.

The application of these technologies and equipment allows for effective separation of finished products and return materials in organic fertilizer production lines, improving production efficiency and product quality.