INPU INPUTS TS MCR of coal/unit. coal/unit. Number of units Number of stockpiles. Nu N umber of days of coal stockpile required. Bulk density of coal . Angle of repose of coal. W idth of stockpile (At base). Height of stockpile stockpile Boom length of stacker-reclaimer Distance between centreline of S/R to edge of stockpile. Plant load factor No No. of days of live storage required
TPH NO. NO. DAYS T/CU.M DEGS. M M M M DAYS
CALCULA CALCULATIONS TIONS Total coal coal storage storage (1.1x (1.1x 24 Hrs x Hrs x 1.4 x 1.2 x 1.11) Co Coal storage per stockpile (2.1/1.3) Vo V olume occupied per stockpile.(2.2/1.5) Area of cross section. (0.5 x (1.7-2(1.8/tan 1.6)+1.7) x 1.8 Volume of End pile((1.8/tan 1.6) x 1.8 x (1.7-2(1.8/tan 1.6)) + 1/3 x pi x (1.8/tan1.6)^2 x1.8) Effective volume for calculating length of stockpile.(2.3-2.5) Ba Base width of dead stockpile (1.7 - (1.9 - 1.10)) Area of live stockpile.(2.4 stockpile.(2.4 - (1/2x2.7x(2.7/ (1/2x2.7x(2.7/2 2xtan1.6))) Total live volume volume available available in the stockpile stockpile (2.5/2 (2.5/2+ (2.7 x 3.1 x 1.3 ))
425 3 2 11 0.8 37 50 10 41 5 0.85 10
Tonnes Tonnes CU.M SQ.M CU.M
286110 143055 178819 367 4957
CU.M M SQ.M CU.M
173861 14 330 315245
3 OUTP OUTPUT UT 3 .1 .1 Length of of ea eac h stoc kp kpil e( e(excl ud uding en end pi pile le length) (2.6 / 2.4) 3.2 Length of each stockpile(incl stockpile(including uding end pile length) (2 x (1.8/tan 1.6)+3.1)
M
473
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3.3 No. of days of live storage available. (2.9/ (1.11 x 1.1 x 1.2 x 24 Hrs.) Hrs.)Useful DAYS
