ALFA grain pre-cleaning separators

The ALFA 50M | ALFA 100M | ALFA 150M | ALFA 200M pre-cleaning separators are designed for the preliminary cleaning of the grain heap arriving from combines or other threshing units — cereals, legumes, groats, industrial and oilseed crops, as well as grass seeds — from light and large weed impurities that can be separated by air flow and a mesh conveyor. 

We recommend installing it as the first machine in the line, in order to better preserve grain and seeds, prepare them for drying and increase the efficiency of subsequent cleaning.

KOBLiK grain-cleaning machines: a Russian design for high-quality grain cleaning.
A high-performance grain-cleaning machine from the KOBLiK group of companies (Russia) — a modern solution for agricultural enterprises aiming for maximum grain purity with minimal losses. 
The equipment combines advanced engineering solutions and adaptation to the conditions of the Russian agricultural sector.

Design features
Main working modules:

• cleaning module (cassette) — includes the mesh conveyor and the driving and driven shafts;
• air-cleaning system — ensures precise separation of light impurities.

Drive elements:

• geared motor;
• electric motor.

Operating principle: a step-by-step breakdown
Material intake and distribution
The grain heap enters the receiving hopper. Thanks to the beater and an adjustable gate, the product is evenly distributed across the width of the mesh conveyor — this guarantees stable throughput at the inlet.

Primary separation
Separation takes place in the cleaning module:

• grain and small impurities pass through the conveyor;
• large impurities (straw, spikelets) are discharged from the machine.
• Mesh tension adjustment: moving the driving shaft using the tensioning bolts (checked by the chain sag).

Air cleaning
The material that has passed through the conveyor is split into two streams and enters the suction channel of the aspiration system.

Key elements of the system:

• built-in cross-flow fan (creates a closed air flow);
• throttle valve in the discharge channel (flow-speed adjustment).

Final separation and discharge

• light impurities are removed by an airlock valve with a geared motor;
• cleaned grain is discharged by gravity.
• Safety system: a back-pressure sensor automatically stops the machine if the discharge chute becomes clogged with grain.

Advantages of the KOBLiK machine

• Russian manufacturing — takes into account the climatic and operating conditions of domestic farms.
• Versatility — works with cereal, legume and oilseed crops.
• Cleaning precision — combined action of the mechanical and air separators.
• Energy efficiency — optimised drive mechanisms and fan.
• Reliability — durable materials and a well-thought-out assembly design.
• Ease of maintenance — easy access to the adjustable elements.
• Automation — overload protection and stable operation without constant supervision.

Field of application
The machine is designed for:

• preliminary and primary grain cleaning;
• removal of large (straw, spikelets) and light (dust, husk) impurities;
• preparing grain for storage, drying or processing;
• use at the threshing floor, in grain stores and at elevators.

Why choose KOBLiK?
Domestic design — service, warranty and support in Russia.
Adaptability — configuration for specific tasks and crop types.
Performance — stable operation under high loads.
Cost-efficiency — reduced grain losses and energy consumption.
Durability — resistance to intensive operating regimes.

Choose reliable grain-cleaning equipment, proven in real-world conditions!