Abstract

In this paper, the effect of sodium lignosulfonate and sodium carboxymethyl cellulose on the stability of a water-coal suspension was studied. As a result, the viscosity of the water-coal suspension was 0.01-0.08 P∙s. The change in dynamic shear rate was considered when adding these plasticizers in different changes. The minimum value of the dynamic shear rate of 13.6 was achieved with the addition of sodium LST plasticizer (SD = 0.1%) in the presence of 40% coal. The influence of alkali on the viscosity of a water-coal suspension was also studied.

Highlights

  • $EVWUDFW ,Q WKLV SDSHU WKH HIIHFW RI VRGLXP OLJQRVXOIRQDWH DQG VRGLXP FDUER[\PHWK\O FHOOXORVH RQ WKH VWDELOLW\ RI D ZDWHUFRDO VXVSHQVLRQ ZDV VWXGLHG $V D UHVXOW WKH YLVFRVLW\ RI WKH ZDWHUFRDO VXVSHQVLRQ ZDV 3ÂV 7KH FKDQJH LQ G\QDPLF VKHDU UDWH ZDV FRQVLGHUHG ZKHQ DGGLQJ WKHVH SODVWLFL]HUV LQ GLIIHUHQW FKDQJHV 7KH PLQLPXP YDOXH RI WKH G\QDPLF VKHDU UDWH RI ZDV DFKLHYHG ZLWK WKH DGGLWLRQ RI VRGLXP /67 SODVWLFL]HU 6' LQ WKH SUHVHQFH RI FRDO 7KH LQIOXHQFH RI DONDOL RQ WKH YLVFRVLW\ RI D ZDWHUFRDO VXVSHQVLRQ ZDV DOVR VWXGLHG

  • $V FDQ EH VHHQ LQ )LJ ZLWK DQ LQFUHDVH LQ WKH FRQFHQWUDWLRQ RI WKH DGGHG SODVWLFL]HU WKH YLVFRVLW\ RI VXVSHQVLRQV LQFUHDVHV ,W KDSSHQV EHFDXVH RI /67 VRGLXP OLNH &0& VRGLXP DUH KLJKPROHFXODU VXEVWDQFHV WKDW GHFUHDVH WKHLU RZQ IOXLGLW\ ZLWK LQFUHDVLQJ FRQFHQWUDWLRQV $W WKH VDPH WLPH WKH PD[LPXP YLVFRVLW\ YDOXH LV QRW PRUH WKDQ ZKLFK LV D UHODWLYHO\ ORZ YLVFRVLW\ YDOXH IRU FRDOZDWHU VOXUULHV >@

  •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

Read more

Summary

Introduction

$EVWUDFW ,Q WKLV SDSHU WKH HIIHFW RI VRGLXP OLJQRVXOIRQDWH DQG VRGLXP FDUER[\PHWK\O FHOOXORVH RQ WKH VWDELOLW\ RI D ZDWHUFRDO VXVSHQVLRQ ZDV VWXGLHG $V D UHVXOW WKH YLVFRVLW\ RI WKH ZDWHUFRDO VXVSHQVLRQ ZDV 3ÂV 7KH FKDQJH LQ G\QDPLF VKHDU UDWH ZDV FRQVLGHUHG ZKHQ DGGLQJ WKHVH SODVWLFL]HUV LQ GLIIHUHQW FKDQJHV 7KH PLQLPXP YDOXH RI WKH G\QDPLF VKHDU UDWH RI ZDV DFKLHYHG ZLWK WKH DGGLWLRQ RI VRGLXP /67 SODVWLFL]HU 6' LQ WKH SUHVHQFH RI FRDO 7KH LQIOXHQFH RI DONDOL RQ WKH YLVFRVLW\ RI D ZDWHUFRDO VXVSHQVLRQ ZDV DOVR VWXGLHG

Results
Conclusion
Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call