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Screw (auger) doser for packaging production
Equipment for dosing of bulk and powder products
Screw doser is designed for dosing of bulk highly dusting food and non-food products with not high productivity. It is used for small and medium productions.
Type of products for dosing:
• starch, flour, milk powder, ground spices, ground coffee and similar powdered and bulk foods products, washing powder, dry paint.
• up to 50 doses / minute.
+7 (812) 987-34-78
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RT Group equipment, +7 (952) 368-34-78
DESCRIPTION OF THE SCREW DOSER FOR PRODUCTION
Screw dosers are installed together with a packaging machines, but also can work autonomously. Its is used on enterprises of food industry, as well as other type of productions. Depends on the screw diameter, productivity is 30 – 50 doses per minute. Screw doser works with bulk and powder products.
• dosed product falls down to the loading hopper of a screw doser;
• screw under the action of the drive mixes the product;
• product moves into the packaging container.
Value of the measured dose is affected by size of screw, as well as the number of revolutions. Screw doser is designed for continuous operation with automatic feeding of the product into the loading hopper. Screw dosers have low productivity – up to 45 doses / min., and accuracy of dosing about 1%. The accuracy of dosing depends on the properties of a particular dosed product (particle size, water absorption, uniformity, etc.), weight of the dose, required productivity. The optimal value of the dosing accuracy for the certain product is determined empirically and is achieved by selecting of the geometric dimensions of the screw (pitch, length, etc.) and constructive execution of the mixer for a specified product.
|Possible doses, grams.||10 – 100 or 100 – 250 or 250 – 1000 or 1000 – 5000 *|
|Kinematic productivity, doses / min.||30 – 60 or 30 – 45 or 30 – 50 or 10 – 50 **|
|Dosing accuracy, %||+/- 1 ***|
|Loading hopper volume, m3||0.02|
• voltage, V
• current frequency, Hz
Doser dimensions (length, width, height), mm
|600 x 550 x 1500|
Total weight, kg
* optimal recommended doses;
** real productivity depends on the type of product, doses volume, acceptable accuracy for dosing and is determined after testing;
*** this accuracy +/- 1% is for doses of 250 – 3000 grams for wheat flour
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