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Refiner

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Refiner 

(also disk refiner), in the pulp and paper industry, a device designed for continuous operation in grinding fibrous materials, principally cellulose. The fibrous mass is in the form of an aqueous suspension and enters the refiner intake between grinding disks. Grinding elements (blades) are located on the working surfaces of the disks. In refiners designed with two disks, only one disk may rotate or both may rotate in opposite directions; in refiners with three disks, only the center one rotates. The grinding elements are constructed of pig iron, steel, bronze, or ceramic or abrasive materials. The amount of fibrous matter in suspension varies from 2 to 30 percent by weight, depending on the type of refiner.

Refiners are produced with outputs up to 550 tons per 24 hours; their electric motors have power ratings up to 8 megawatts. Refiners are also used for preparing wood pulp from chips (seeDEFIBRATOR).

REFERENCE

Ivanov, S. N. Tekhnologiia bumagi, 2nd ed. Moscow, 1970.
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I hate business and men of business; and as to social questions, I have only one article of belief, which is, that the sole refiner of human nature is fine art.
An Unsocial Socialist by Shaw, George Bernard View in context
When this important point shall be achieved, it will be in season to turn our attention to an improvement in the manufacture of the article, But thou knowest, Richard, that I have already subjected our sugar to the process of the refiner, and that the result has produced loaves as white as the snow on yon fields, and possessing the saccharine quality in its utmost purity.
The Pioneers by Cooper, James Fenimore View in context
 
 
 
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