primary breaker

primary breaker

[′prī‚mer·ē ′brāk·ər]
(mechanical engineering)
A machine which takes over the work of size reduction from blasting operations, crushing rock to maximum size of about 2-inch (5-centimeter) diameter; may be a gyratory crusher or jaw breaker. Also known as primary crusher.
References in periodicals archive ?
A feature of the standard FDB19 is its non-fail safe operation, ideal for primary breaker installations or those that are unmanned or prone to supply interruption.
In this case, there are three protection schemes per primary breaker associated to the line, and remembering that if the failure is really in the L line, at least one relay of a protection scheme at both ends of the line must be activated, except for the 50FI relay associated to the fault of the breaker of the L line and to the activation of at least another relay (21, 21N, 67, and 67N).
The amplifier system features front-panel output power adjustment (manual step attenuator) and RF blanking controls, and an AC primary breaker.
Tenders are invited for Work of checking, cleaning and greasing, oiling of all bearings, gear boxes, pulleys, primary breaker, wagon tipplers, mcc-iv, sarni mines, secondary coal crushers, stacker reclaimer, bunker house at area of chp-ii, stps, sarni.
Tenders are invited for Digging and lifting spillage coal parallel to conv.22a/b to 31,conv.4 and primary breaker house 1 and 2 of sobhapur conv system of chp-ii,stps sarni
4A and 4B, 4x, 6A,6B, 12, 35,36, 37, Crusher A,B,C and D, T.T.10 along with primary Breaker, 4X hopper of CHP-II, STPS, Sarni.
Tenders are invited for Checking, cleaning, greasing and oilling of all bearings, gear boxes, fluid couplings, pulley, primary breaker, wagon tipplers, MCC-IV, Sarni Mines, secondary coal crushers, stacker,reclaimer, bunker house at area of CHP-II, STPS, Sarni.
Tenders are invited for deployment of technical group of contractors labour for routine and break down maintenance checking of auxiliaries related to site of crusher and primary breaker of chp-ii stps mppgcl sarni
Tenders are invited for Enquiry for transportation of wet coal from the area of wagon tippler no.13 crusher primary breaker within 2km rage at stps mppgcl sarni
Tenders are invited for Daily cleaning of Conveyor 34,35,36,37 and primary breaker, old and new tippler control room crusher D of CHP-II at STPS,Sarni.
3.3KV, 800 Amp OCB and partial repairing of 11KV VCB primary breaker of Religara Colliery.