Sieves for grain cleaning machines
ROMAX is a leading manufacturer of sieves for agricultural machinery. Depending on the purpose of use, there are grain, sorting and support sieves. The optimal mode of cleaning of grain and seeds is achieved by the correct selection of sieves according to the needed shape and size of thesieve perforation. At the same time, the performance capacity of sieves with enlarged holes is higher than that of sieves with round holes, which, however, gives a certain advantage in terms of separation quality.
The benefits of the products manufactured at the ROMAX plant:
- Easy installation of the sieves during the change of crops.
- The capacity of up to 240 tons per hour is provided.
- High quality galvanized steel constructions.
- The efficiency factor of the sieves is 98%.
- Long service life of the equipment without interruption of operation process.
- The wide product line represents grain cleaning equipment that is suitable for wheat cleaning, millet cleaning, cleaning of leguminous and oilseed crops etc. On the whole, it is suitable for processing any of 19 types of crops.
The processing of large quantities of grain and seeds with separation of fragments of weeds and grain impurities is carried out by means of grain cleaning machines. The principle of their operation is based on the difference in physical and mechanical properties and morphological properties of grain and its impurities.
Tables of sieve selection for grain cleaning machine BETA
Depending on the purpose of the sieves there are scalping sieves, sorting sieves and seed sieves. Scalping sieves are designed to separate grain from coarse impurities (stem particles, coarse impurities, etc.). The perforation of these sieves are selected so that all grain with small impurities passes through, and coarse impurities make up the screenings. Sorting sieves are used to separate the seeds of the main crop. Large seeds, in this case, make up the screenings, and small seeds — pass through.
For sorting the seeds of grain crops, sieves with elongated holes are used. Seed sieves are used to separate grain from small impurities (mineral impurities, weed seeds, etc.). For this purpose, the sieves with round and elongated perforation are used.
Universal type |
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Industrial type |
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Grain crop to be cleaned |
Name of sieve |
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Grain crop to be cleaned |
Name of sieve |
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|
А |
В |
С |
|
|
А |
В,С |
Wheat |
۞Ø2.0-2.5 |
۞Ø3.0-7.0 |
۞Ø5.0-7.0 |
|
Wheat |
۞Ø2.0-2.5 |
۞Ø5.0-7.0 |
Rye |
۞Ø1.5-2.5 |
۞Ø2.0-4.0 |
۞Ø5.0-6.5 |
|
Rye |
۞Ø1.5-2.5 |
۞Ø5.0-6.5 |
Barley |
۞Ø2.5-3.5 |
۞Ø3.0-5.0 |
۞Ø5.0-8.0 |
|
Barley |
۞Ø2.5-3.5 |
۞Ø5.0-8.0 |
Oats |
۞Ø2.5-3.5 |
۞Ø5.5 |
۞Ø6.0 |
|
Oats |
۞Ø2.5-3.5 |
۞Ø6.0 |
Millet |
۞Ø2.0-2.5 |
۞Ø2.5-3.0 |
۞Ø3.0-4.0 |
|
Millet |
۞Ø2.0-2.5 |
۞Ø3.0-4.0 |
Corn |
۞Ø5.0-6.0 |
۞Ø6.0-7.0 |
۞Ø8.0-12.0 |
|
Corn |
۞Ø5.0-6.0 |
۞Ø8.0-12.0 |
Pea |
۞Ø4.0-6.0 |
۞Ø5.0-7.0 |
۞Ø8.0-12.0 |
|
Pea |
۞Ø4.0-6.0 |
۞Ø8.0-12.0 |
Sunflower |
۞Ø2.5-3.6 |
۞Ø4.0-6.0 |
۞Ø7.0-10.0 |
|
Sunflower |
۞Ø2.5-3.6 |
۞Ø7.0-10.0 |
Buckwheat |
۞Ø2.5-3.0 |
۞Ø3.2-4.5 |
۞Ø4.5-5.0 |
|
Buckwheat |
۞Ø2.5-3.0 |
۞Ø4.5-5.0 |
Sugar beet |
▲4.0-4.5 |
۞Ø5.0-6.0 |
۞Ø6.0-8.0 |
|
Sugar beet |
▲4.0-4.5 |
۞Ø6.0-8.0 |
Soybeans |
▲6.5 |
۞Ø7.0-8.0 |
۞Ø8.0-10.0 |
|
Soybeans |
▲6.5 |
۞Ø8.0-10.0 |
Rape seed |
۞Ø1.1-1.3 |
۞Ø2.2-2.6 |
۞Ø2.6-3.2 |
|
Rape seed |
۞Ø1.1-1.3 |
۞Ø2.6-3.2 |
Explanation of signs in the table:
- Sign Ø — round holes in the equipment;
- Sign □ — oblong holes in equipment;
- Sign ▲ — triangular holes in the equipment;
- Mark ۞ —
hex-shaped holes in the equipment.
ROMAX plant, using its own technology and modern automated production lines, producessieves made of galvanized steel, which differ by their quality and wear resistance.
Name of grain crop |
Sieve perforation size, mm |
Name of grain crop |
Sieve perforation size, mm |
Wheat |
15x15 |
Spring vetch |
15x15 |
Corn |
20x20 |
Winter vetch |
15x15 |
Pea |
20x20 |
Sorghum |
10x10 |
Beans |
20х20 |
Rice |
15x15 |
Spring barley |
15x15 |
Sunflower |
20x20 |
Rye |
15x15 |
Sugar beet |
20x20 |
Winter barley |
15x15 |
Millet |
10x10 |
Soybeans |
20x20 |
Rape seed |
10x10 |
Hempseed |
10х10 |
Oats |
15x15 |
Buckwheat |
15x15 |
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