220 High-Speed Pulverizer
Flywheel-style pulverizer with interchangeable screens — grinds hard oilseeds down to micron level, including in-shell walnuts
The 220 high-speed pulverizer is a flywheel-style grinder with interchangeable screens, capable of micron-level fineness. It crushes hard oil-bearing materials with their shells intact — peanuts, in-shell walnuts, camellia seed, Xanthoceras (yellowhorn) and avocado pits — making it a core pretreatment step that lifts oil yield when paired with a hydraulic oil press.
Product Overview
The 220 High-Speed Pulverizer is a flywheel-style grinder designed as the front-end crusher for oilseed pretreatment lines. It uses a high-speed flywheel rotor to slam and grind the material, and the operator selects from interchangeable screens of different mesh sizes to control fineness — grinding can go down to micron level, much finer than a roller crusher or screw pre-press alone.
A key advantage is that the machine accepts hard oil-bearing materials with their shells still on. Peanuts, in-shell walnuts, camellia (tea) seeds, Xanthoceras sorbifolia (yellowhorn) seeds and avocado pits are all crushed directly without a separate shelling step. The crushed, micronized material then feeds into a hydraulic oil press, where the enlarged surface area and cracked cell walls release more oil — a simple pretreatment step that raises overall line oil yield.
Structure & Build
Flywheel rotor, interchangeable screens
A high-speed flywheel rotor delivers the impact energy, and a set of interchangeable screens with different mesh sizes sets the final particle size. Swap the screen in minutes to move from coarse flakes down to micron-level powder — one machine covers the full fineness range the line needs.
Lightweight 218 kg body, small footprint
The whole unit weighs only 218 kg, light enough to move and install with a hand pallet truck in almost any workshop. It occupies a small footprint, so it slots into an existing line without rebuilding the layout or pouring a new foundation.
Key Performance Features
Micron-level grinding fineness
Interchangeable screens let the operator set particle size down to micron level. Finer feed means the hydraulic press squeezes out more oil from the same batch — directly raising oil yield and reducing residual oil in the cake.
Crushes hard materials with shells intact
No separate sheller needed. The flywheel impact cracks and grinds peanuts, in-shell walnuts, camellia seeds, yellowhorn seeds and avocado pits — even the hard, dense materials that a roller crusher struggles with.
Pair with hydraulic press to lift oil yield
The 220 is the ideal match for our hydraulic oil presses. Crush first, press second — the micronized feed releases oil faster and more completely, so the same hydraulic press delivers higher output per batch.
Small, light and easy to site
218 kg total weight and a compact footprint make it easy to move, install and reposition. No heavy rigging or structural foundation required — place it on a level floor, connect power, and it runs.
Proven for oilseed pretreatment
Built around the real workflow of oil mills: it is the standard crushing stage before hydraulic pressing for peanut, walnut, camellia and other hard-shelled oilseeds in China and export markets.
Technical Specifications
| Model | HN-220 High-Speed Pulverizer |
|---|---|
| Structure Type | Flywheel-style, interchangeable-screen pulverizer |
| Machine Weight | 218 kg |
| Grinding Principle | High-speed flywheel impact + screen classification |
| Grinding Fineness | Adjustable, down to micron level |
| Screen System | Interchangeable screens of various specifications |
| Can Process Shell-On Materials | Yes — peanuts, in-shell walnuts, camellia seed, Xanthoceras (yellowhorn) seed, avocado pits |
| Recommended Use | Oilseed pretreatment — crush before hydraulic pressing to raise oil yield |
| Best Match | Works with Haonuo hydraulic oil presses to improve total oil yield |
| Note | Voltage, screen mesh set and exact dimensions are confirmed per order — ask us for the configuration sheet |
Applicable Materials
Hard oil-bearing materials with shells intact — peanuts, in-shell walnuts, camellia (tea) seed, Xanthoceras sorbifolia (yellowhorn) seed, avocado pits and similar. Also grinds other hard seeds and kernels down to micron level for oil extraction.
Typical Applications
Why Buyers Choose This Machine
Buyers of hard-shelled oilseeds often lose yield because the press cannot break through the shell and release all the oil inside. The 220 High-Speed Pulverizer solves that in one compact machine: flywheel impact cracks shells, interchangeable screens set fineness down to micron level, and the crushed feed goes straight into a hydraulic press for higher oil recovery. At only 218 kg, it is easy to move and install, and it costs a fraction of a dedicated shelling line. For mills pressing walnuts, camellia or other hard seeds, it is the simplest pretreatment upgrade that pays back in extra oil output.
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