Technical data
CHAP-03 BRIEF SYSTEM DESCRIPTION Page 1 of 20
03.00 BRIEF SYSTEM DESCRIPTION
03.01 DESCRIPTION OF EXISTING COAL HANDLING PLANT
03.01.01 Coal Preparation Plant No.1
i) Rotary wagon tippler unloads incoming coal from WT#1 and 2 each
having capacity of 800 tph and receives in two conveyor stream Y9-68 &
Y9-69. Both the wagon tipplers are provided with electric pusher car on
the inhaul side. The empty wagons are released over a gradient.
ii) Coal from both the streams is fed, through a series of belt conveyors to
the CPP-1 coal yard. One stream has toothed roller crusher while other
stream has no crusher. Each of the streams has a capacity of 800 tph.
iii) CPP-1 storage yard No. 1 has a storage capacity of 180,000 t.
iv) Out of the three Nos. of gantry cranes in coal storage yard No.1 (i.e.
CPP-1) only two nos. are existing at present which are planned to be
phased out in future.
v) Reclaimed coal from the storage yard is fed to storage cum blending
bunker (15nos) in two rows via. Conveyor series of Y5-Y6. Coal is
withdrawn from silos and conveyed to coal tower No. 1, 2 and 4 via
junction house J3, J4, J5 and J6. (Presently battery no 5&6 are under
rebuilding. After replacement of coal gallery Y6-38, CHP will feed coal to
CT-3 also).
vi) CHP has 4 nos. of hammer crusher of capacity 250 tph and two nos. of
200 tph.
03.01.02 Coal preparation Plant No.2
i) Incoming coal i
s unloaded by rotary wagon tippler No. WT# 3 on
conveyor no. Y9-87, Y9-88, Y9-90, Y9-91(and finally stacked through
stacker-cum-reclaimer I & II through yard conveyors Y9-94 & 95).
Wagon tippler is provided with Electric Pusher Car on the inhaul side.
The empty wagons are released over a gradient. Under rail hoppers are
provided for manual unloading of coal from sick wagon.
ii) Coal from the conveyor stream like Y9-87, Y9-88, Y9-90, Y9-91 etc. are
fed to the series of belt conveyor by passing the preliminary crusher to
the coal storage yard No.2 (CPP-2). The single line conveyor capacity is
800 tph upto the storage yard.
iii) Coal storage yard No.2 (CPP-2 existing
) have storage capacity of
120,000 t.
iv) Provision of direct despatch of coal to the storage cum blending bunkers
by passing the storage yard has been kept. The conveyor stream