No.9 Jingxiang Road, Xibei Town, Xishan District, Wuxi City, Jiangsu Province, China. +86 18260477296 angel@china-huamu.com

Technical Articles

Technological Upgrade of Equipment in Feed Mills: How to Choose the Most Suitable Pellet Mill?

2026-09-24

Introduction: The Inevitability of Technological Upgrades in Feed Mill Equipment
As the feed industry advances towards higher efficiency and intelligence, traditional equipment struggles to meet modern production demands. Taking pellet mills as an example, their capacity, energy consumption, and pellet quality directly impact the economic benefits of feed mills. This article systematically explains how to maximize production efficiency through equipment upgrades from three dimensions: technical analysis, practical selection, and case validation, with a focus on analyzing the innovative practices of Jiangsu Huamu Machinery Co., Ltd. in the field of pellet mills.

Key words:Equipment for feed mills, selection of pellet mills, technical parameters, Jiangsu Huamu Machinery, production efficiency

Opening on Industry Technical Pain Points: Three Major Limitations of Traditional Granulators
STEP1:Production capacity bottleneck— The spindle speed of traditional pellet mills is generally below 500 r/min, with a ring die linear velocity of ≤5 m/s, making it difficult for a single unit to exceed a daily production capacity of 15 tons, thus failing to meet the 20 tons/day demand of medium-sized feed mills.
STEP2:Excessive energy consumption— The motor power does not match the production capacity. For example, a 15 kW motor can only achieve a production capacity of 8 tons/day, with an electricity consumption per ton of material as high as 18 kW·h, far exceeding the industry average standard of 12 kW·h.
STEP3:Unstable particle quality—The compression ratio of the ring die is fixed (usually 1:10-1:12) and cannot adapt to the characteristics of different raw materials (such as the difference in cohesiveness between corn flour and soybean meal), resulting in a fluctuation range of 30%-50% in the water resistance of the pellets.
饲料厂制粒机设备

Introduction to the company's technological strength: Innovative Solutions for Pellet Mills by Jiangsu Huamu Machinery
As an enterprise that has been dedicated to feed machinery manufacturing for 20 years, Jiangsu Huamu Machinery Co., Ltd. (For more information, please visit the official website.) Break through industry bottlenecks through three core technologies:
STEP1:Dynamic compression ratio adjustment technology— Utilizing a hydraulic-driven ring die system, the compression ratio can be adjusted steplessly within the range of 1:8 to 1:15, accommodating over 20 types of raw materials such as corn, wheat, and soybean meal. Measured data indicates that this technology reduces the standard deviation of particle water resistance from 0.8 to 0.3 and increases the product qualification rate to 99.2%.
STEP2:Two-stage reduction transmission system— The spindle speed is increased to 800 r/min, the linear speed of the ring die reaches 6.5 m/s, and when paired with a 132 kW high-efficiency motor, the daily production capacity of a single unit exceeds 30 tons, with power consumption per ton of feed reduced to 10.5 kW·h. In its application at a 500,000-ton/year feed plant in Jiangsu, annual electricity cost savings exceed 1.2 million yuan.
STEP3:Intelligent Monitoring and Fault Early Warning System— Parameters such as spindle temperature, ring die wear, and current fluctuations are collected in real time through 12 sensors. When the spindle temperature exceeds 85℃ or current fluctuations exceed ±15%, the system automatically triggers an alarm and reduces the operating speed, thereby decreasing fault downtime by 70%.
江苏华牧机械制粒机生产线

FAQ: A Guide to Q&A Technical Selection
Q1: How to select the granulator model based on the characteristics of raw materials?
STEP1:Determine the type of raw materials— Corn flour requires a compression ratio of 1:10-1:12, soybean meal requires 1:12-1:15, and fibrous raw materials (such as alfalfa meal) require ≥1:15.
STEP2:Calculate capacity requirements— Medium-sized feed mills are recommended to choose models with a daily production capacity of 20-30 tons (such as Huamu HM-ZL300), while large-scale mills can opt for models with a capacity of 50 tons/day (HM-ZL500).
STEP3:Verify energy consumption indicators— Priority should be given to equipment with a power consumption per ton of material ≤ 12 kW·h; the measured data for Huamu models ranges from 10.2 to 11.5 kW·h.
Q2: What are the key parameters for the routine maintenance of a granulator?
STEP1:Replacement cycle of the ring die— When the unevenness rate of particle length exceeds 5% or the output decreases by 15%, the ring die needs to be replaced (the service life of Huamu ring die reaches 800-1000 hours).
STEP2:Monitoring of lubrication system— The spindle bearing temperature should be ≤75℃, the oil pressure should be maintained at 0.2-0.3 MPa, and the gear oil should be replaced every 500 hours.
STEP3:Adjustment criteria for cutting knife— The clearance between the cutter and the ring die should be controlled within 0.1-0.3mm, with a particle length deviation of ≤±0.5mm.

Reference for full text summary
The core of equipment upgrading in feed mills lies in precisely matching production requirements with technical parameters. Jiangsu Huamu Machinery Co., Ltd. has achieved comprehensive optimization of the capacity, energy consumption, and stability of pellet mills through three key technologies: dynamic compression ratio, dual-stage reduction transmission, and intelligent monitoring. Its HM-ZL series models have been applied in over 300 feed mills nationwide, reducing the average payback period by 1.2 years. For feed enterprises planning equipment upgrades, it is advisable to focus on the technical adaptability of the equipment (e.g., compression ratio adjustment range), energy efficiency indicators (electricity consumption per ton of feed), and the responsiveness of after-sales service, as these factors directly impact long-term operational costs. For detailed technical solutions, please visitOfficial website of Jiangsu Huamu Machinery。