Industry Info

The Role of Straw crushers in Fertilizer Production Lines

2025/08/06

In fertilizer production lines, straw crushers are key equipment for processing straw-based raw materials. Their operating principle and performance advantages are perfectly suited to the specific needs of organic fertilizer production.

In terms of its operating principle, staggered blades on a rotating main shaft and a fixed tooth plate form a shearing zone, cutting the straw into short segments. Centrifugal force then causes repeated impact and friction with the chamber walls, ultimately breaking the shredder into uniform particles. In fertilizer production, the straw can be crushed to millimeter-level fineness by replacing the screen. This fineness allows for thorough mixing of the straw with raw materials such as livestock and poultry manure, increasing the contact area between microorganisms and accelerating the fermentation process. Compared to traditional crushers, their multi-stage shredding process can handle the hard wood of the straw, preventing large pieces of straw from forming voids in the fermentation chamber and ensuring uniform aeration of the compost.
In terms of adaptability, the crusher can directly process fresh straw after harvest or stored dry straw, eliminating the need for additional drying, thus addressing the problem of large moisture fluctuations in raw materials in fertilizer production. Operating efficiency perfectly matches the production line's pace. The wide feed opening can accommodate whole bales of straw. The hourly processing capacity of a single machine can meet the continuous feeding needs of small and medium-sized production lines, reducing the space occupied by raw material accumulation.
The environmental protection is highly consistent with the green concept of the production line. The dust removal device prevents straw dust from entering the subsequent fermentation process, avoiding bacterial contamination. The enclosed design reduces noise and allows the crusher to be located close to the fermentation room. The energy-saving features reduce the production line's energy consumption, and the wear-resistant blades extend the replacement cycle, matching the continuous operation requirements of the production line.
This high efficiency and adaptability make the straw crusher an indispensable device in organic fertilizer production lines, providing stable support for the resourceful utilization of straw raw materials.