Maize Destoner

This maize destoner is a fully automatic grain cleaning machine, designed with an integrated structure that includes a grain conveying system, screening unit, dehulled and moldy kernel removal system, destoning system, air separation unit for removing lightweight impurities, and a sturdy machine frame. It ensures efficient and thorough cleaning of maize by effectively separating impurities such as stones, husks, and damaged kernels.The machine features an attractive design, compact structure, and user-friendly operation. Its ease of use during manual handling has earned it widespread recognition both domestically and internationally.

Applicable Industries	Manufacturing Plant, Food & Beverage Factory, Farms, Restaurant, Home Use, Food Shop, Food & Beverage Shops
Production Capacity	1000-1200kg/hour
Voltage	380v50hz
Power	4kw-4p
Weight	420KG
Dimension(L*W*H)	1500*1000*2900mm
Cleaning performance	99%
Usage	Wheat, rice, corn, soyabean, yellow peas, etc

Under the action of airflow, the raw grain enters the triangular discharger through the feed pipe and flows onto the upper layer of the cleaning screen. During the conveying process, lightweight impurities are removed by the air separation system and discharged through a fan (a 3-meter-long fine cloth bag is typically tied to the outlet for collecting light impurities).

Once on the cleaning screen, larger particles like corn cobs and smaller impurities are separated as they pass through the upper and lower layers of the screen and are discharged through their respective outlets. The main grain remains on the middle layer, and as the screen oscillates back and forth, it moves into the dehulled and moldy kernel removal system.

In this stage, moldy kernels and corn cob fragments are screened out through vibration and the special design of the fish-scale mesh, while the cleaned grain moves forward into the destoning system. Here, with the help of vibrating motion and the fish-scale mesh structure, stones are driven upward and discharged through the stone outlet. Finally, the thoroughly cleaned and impurity-free grain is discharged from the grain outlet.

Advantages of this machine:
It features a triple-layer cleaning screen system. The grain first passes through the front screen for initial separation, removing dust and larger impurities. Then, a powerful main fan performs air cleaning before discharge, followed by a compact grain-throwing device at the front end that projects the cleaned grain over a distance-effectively removing moldy kernels and small stones.

This design solves the common issue found in traditional grain cleaning machines, where additional conveying equipment is required after screening. The first layer removes large debris, the second targets fine impurities, the third separates partially filled kernels, and the fourth filters out sand and grit.

Not only does this machine eliminate the need for extra conveyors-saving on equipment cost and space-it also offers excellent mobility, ease of maintenance, and reliable cleaning performance. It's an ideal choice for grain collection stations, farms, and related industries.

1. The machine adopts multiple separation methods to target and remove various types of impurities from grain, allowing for individual collection of each impurity. With an innovative and well-engineered design, it integrates multiple technologies to deliver excellent cleaning performance.

2. It completes multiple steps in sequence-including automatic feeding, air separation, destoning, iron removal, moldy grain separation, and removal of large, medium, small, and fine impurities. This ensures high efficiency, outstanding cleaning results, and low power consumption, making it an ideal mid-sized processing unit.

3. The screening mesh can be replaced according to the size of the material, making the machine suitable for cleaning corn, rice, soybean, wheat, and other grains.

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