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(mechanical engineering)
An apparatus used for pulverizing or grinding substances, consisting of two steel cages which rotate in opposite directions.



a rod crusher; a machine for fine crushing or coarse pulverization of brittle materials of low abrasiveness. It consists of two contrarotating rotors (baskets) mounted on separate coaxial shafts and encased in housings. Two to four rows of circular cylindrical pins (beaters) are located along the concentric circumferences of the rotor disks in such a way that each row of one rotor passes freely between two rows of the other. The material being crushed is fed to the center of the rotor and, in moving toward the periphery, sustains repeated blows from the pins, which are rotating at 500-1,000 rpm in opposite directions. The coarseness of the material loaded into the disintegrator is usually 60-90 mm, and that of the crushed product is 0.5-0.1 mm. The output of a large disintegrator, with a rotor diameter of 1250 mm, is 80-90 tons per hr, in the case of coal being reduced from 50 mm to 0.3 mm. A machine with one rotor and fixed pins fastened to the other side of the housing lid in place of the other rotor is called a crusher; its operation is analogous to that of a disintegrator, but the speed of rotation of the rotor is considerably higher (2,300-3,800 rpm). Disintegrators and crushers are sometimes called beating mills.

A characteristic of disintegrators is the good mixing of the material being pulverized; this feature is sometimes used in technology (for example, for making coal charges before coking). Disintegrators are used to crush minerals (coal, gypsum, sulfur, and peat), products of the chemical industry (rubber and pigments), and wood.


Sidenko, P. M. Izmel’chenie v khimicheskoi promyshlennosti. Moscow, 1968.
Il’evich, A. P. Mashiny i oborudovanie dlia zavodov po proizvodstvu keramiki i ogneuporov. Moscow, 1968.


References in periodicals archive ?
On Thursday, the Supreme Leader's top adviser said the US is trying to disintegrate the regional countries under the pretext of forming anti-ISIL coalition.
He said PMLN gave sacrifices for Pakistan at the time of its creation and the party would not allow anyone to disintegrate the state by playing in the hands of antistate elements and foreign forces.
Describing these small impact events as "frequent and random," NASA stressed in a statement that almost all the asteroids disintegrate in the atmosphere and "are usually harmless.
The tablets disintegrate quickly in the mouth without chewing or the need for water -- making it easier for patients to take medication.
I am not convinced that this is a good idea as the church could disintegrate into non-geographic dioceses divvied up by issues: Book of Alternative Services/Book of Common Prayer, new/old hymn books, matrimonial commission/no matrimonial commission, but the question needs to be asked as a logical extension of the proposed system.
Our tests reveal that some paper takes hours to disintegrate, which is resulting in our plumbers being called out more often.
Those who inspire, organize, and carry out terrorist acts are striving to disintegrate the country," Putin said in remarks that the state-run TV channels broadcast repeatedly.
They biodegrade when exposed to moisture in nature, physically disintegrate in water when crushed or broken, and are compostable in a commercial facility.
1] Together these twin terrors constitute the annihilative anxiety fundamental to all being: the fear that the self will disintegrate.
Non-time-release supplements should disintegrate of dissolve in less than an hour.
Newly commercial melt-processable, starch-based resins that disintegrate rapidly in water may one day make food trays that even an environmentalist could love.
EasyTec (ODT) tablets disintegrate in approximately 10 to 30 seconds with only saliva and may assist in patient compliance.