Page 57 - Steel Tech India eMagazine Volume October 2021

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EHFDXVH RI WKH SUHVHQFH RI OLWWOH 90 Table 1: Blend compositions
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EXPERIMENTAL IRU FRNH PDNLQJ
Characterization of coal samples: )RU %OHQG % WR % JURXS ZLVH FUXVKLQJ ZDV GRQH
&RDO VDPSOHV ZHUH JURXSHG DV UHJXODU DQG KHDW
520 VDPSOHV IURP DOO WKUHH PLQH IDFHV DV PHQWLRQHG DOWHUHG FRDO +HDW DOWHUHG FRDO LQ D IL[HG SURSRUWLRQ ZDV
DERYH ZHUH FROOHFWHG SDFNHG DQG VKLIWHG WR 5'&,6 FUXVKHG VHSDUDWHO\ WR PP DQG WKHQ PL[HG ZLWK WKH
5DQFKL IRU FKDUDFWHUL]DWLRQ DQG VXEVHTXHQW FRNH UHVW RI WKH EOHQG SUHSDUHG VLPLODU WR %
PDNLQJ H[SHULPHQWV 7KHVH VDPSOHV ZHUH FRGHG DV
&RDO $ % DQG & 5HJXODU FRDO VDPSOHV ZHUH FROOHFWHG
IURP RQH RI WKH 6$,/ SODQWV DQG WKHLU FRPSOHWH
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ZKHUHYHU QHFHVVDU\ $ UHSUHVHQWDWLYH VDPSOH RI HDFK
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E\ FRQLQJ TXDUWHULQJ WKH UHVSHFWLYH FRDO VDPSOHV
ZHUH SUHSDUHG IRU SUR[LPDWH DQDO\VLV $670 '
FUXFLEOH VZHOOLQJ QXPEHU &61 DQG *,(6(/(5
)/8,',7< $670 ' 7KH SHWURJUDSKLF
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,62 DQG UHIOHFWDQFH RI YLWULQLWH 005
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Preparation of coal blend:

,Q WKLV ZRUN RQH RI WKH KHDW DOWHUHG FRDOV L H &RDO &
ZDV VHOHFWHG IRU FRNH PDNLQJ 7DEOH VKRZV WKH EOHQG
FRPSRVLWLRQV 0&& FRDO ZDV UHSODFHG E\ KHDW DOWHUHG Fig. 1: Selective crushing and compaction steps for
preparation of coal charge (B3 & B4) (B3 involve all steps
FRDO LQ DOO WKH EOHQGV H[FHSW WKH EDVH EOHQG %
exclusive of compaction)
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