Page 59 - Steel Tech India eMagazine Volume October 2021

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0LQHUDO 0DWWHU 4.Gieseler Fluidity
B.V-type Distribution, ,62 (ASTM D 2639-13)
9
,QLWLDO 6RIWHQLQJ
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7HPSHUDWXUH
9
9 0D[LPXP )OXLGLW\
9 7HPSHUDWXUH
9 6ROLGLILFDWLRQ
9 7HPSHUDWXUH
9 3ODVWLF 5DQJH
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0D[LPXP )OXLGLW\ GGSP
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5. Petrographic
9
9 Analysis
9 A. Maceral Distribution,
& 5H¿HFWDQFH ,62 ,62
0HDQ 5DQGRP 5HIOHFWDQFH 5R5 9LWULQLWH
0HDQ 0D[LPXP 5HIOHFWDQFH 005 +HDW $OWHUHG 9LWULQLWH

3HWURJUDSKLFDO SURSHUWLHV RI KHDW DOWHUHG FRDOV ZLWK $QLVRWURSLF 6HPL &RNH
YLWULQLWH GLVWULEXWLRQ DUH VKRZQ LQ 7DEOH 7KH UHVXOW ,QHUWLQLWH
LQGLFDWHV WKDW FRDO & KDV WKH KLJKHVW YLWULQLWH 0LQHUDO 0DWWHU
DPRQJ WKH RWKHU WZR FRDOV ,WV 005 LV DOVR WKH KLJKHVW
B. V-type Distribution, %
DPRQJ RWKHU FRDOV +HDW DOWHUHG YLWULQLWHV DUH
,62
REVHUYHG LQ VXFK FRDO DQG DUH VKRZQ LQ 7DEOH 7KHVH
9
YLWULQLWHV ZLOO QRW SDUWLFLSDWH LQ FRNH PDNLQJ
9
Characterization of regular Coal:
9
5HJXODU FRDO VDPSOHV +DUG 6RIW 3&& 0&& 9
ZHUH FROOHFWHG IURP RQH RI WKH 6$,/ SODQWV 7KHLU 9
TXDOLWLHV DUH VKRZQ LQ 7DEOH +DUG DQG VRIW FRDO
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DUH LPSRUWHG FRDO 7KHLU DVK YDOXHV DUH DQG
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UHVSHFWLYHO\ 3&& DQG 0&& DUH LQGLJHQRXV
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FRDOV DQG WKH\ KDYH KLJKHU DVK FRQWHQW DQG
UHVSHFWLYHO\ 7KH VRIW FRDO KDV WKH KLJKHVW 90 DPRQJ 9
UHJXODU FRDOV 7KH 90 FRQWHQW RI RWKHU FRDOV LV 9
VKRZQ LQ 7DEOH & 5H¿HFWDQFH ,62
Table 3: Properties of regular coals 7404-5: 2009)
0HDQ 5DQGRP
PCC MCC Hard- Hard- Soft 5HIOHFWDQFH 5R5
1 2
0HDQ 0D[LPXP
1.Proximate Analysis 5HIOHFWDQFH 005
(IS 1350)
,PSRUWHG KDUG DQG VRIW FRDOV KDYH JRRG UKHROJLFDO
$QDO\WLFDO 0RLVWXUH
SURSHUWLHV DQG WKHLU &61 YDOXH LV LQ WKH UDQJH
DLU GULHG EDVLV
7KH &61 YDOXHV IRU 3&& DQG 0&& FRDO DUH DQG
9RODWLOH 0DWWHU DLU
UHVSHFWLYHO\ +DUG FRDO KDV WKH KLJKHVW 0D[LPXP
GULHG EDVLV
)OXLGLW\ 0) ''30 'LDO 'LYLVLRQ SHU 0LQXWH
$VK DLU GULHG EDVLV ZKLOH 0&& KDV WKH ORZHVW ''30 7KXV LW FDQ EH
2.Crucible Swelling FRQFOXGHG WKDW 0&& KDV SRRU UKHRORJLFDO SURSHUWLHV
Number (ISO 501) FRPSDUHG WR UHJXODU FRDO
3. Total Sulphur, % $PRQJ LPSRUWHG FRDOV VRIW FRDOV KDYH WKH KLJKHVW
YLWULQLWH EXW LWV PDWXULW\ LV ORZ LQ FRPSDULVRQ WR

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