CN103623932A - High-pressure roller final grinding and screening method of middling coal - Google Patents
High-pressure roller final grinding and screening method of middling coal Download PDFInfo
- Publication number
- CN103623932A CN103623932A CN201310585842.3A CN201310585842A CN103623932A CN 103623932 A CN103623932 A CN 103623932A CN 201310585842 A CN201310585842 A CN 201310585842A CN 103623932 A CN103623932 A CN 103623932A
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- Prior art keywords
- pressure roller
- coal
- high pressure
- rotating speed
- mill
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- 239000003245 coal Substances 0.000 title claims abstract description 135
- 238000000227 grinding Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012216 screening Methods 0.000 title abstract 2
- 238000003756 stirring Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000005188 flotation Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000004088 foaming agent Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical group CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 claims description 8
- 239000002283 diesel fuel Substances 0.000 claims description 8
- 239000003350 kerosene Substances 0.000 claims description 8
- 239000012716 precipitator Substances 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical group CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010494 dissociation reaction Methods 0.000 abstract description 4
- 230000005593 dissociations Effects 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 230000002000 scavenging effect Effects 0.000 abstract 1
- 238000013467 fragmentation Methods 0.000 description 15
- 238000006062 fragmentation reaction Methods 0.000 description 15
- 238000004939 coking Methods 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- 239000002817 coal dust Substances 0.000 description 5
- 239000002802 bituminous coal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Solid Fuels And Fuel-Associated Substances (AREA)
- Crushing And Grinding (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310585842.3A CN103623932B (en) | 2013-11-20 | 2013-11-20 | A kind of whole grinding of high pressure roller of middle coal and method for separating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310585842.3A CN103623932B (en) | 2013-11-20 | 2013-11-20 | A kind of whole grinding of high pressure roller of middle coal and method for separating |
Publications (2)
Publication Number | Publication Date |
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CN103623932A true CN103623932A (en) | 2014-03-12 |
CN103623932B CN103623932B (en) | 2016-01-20 |
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CN201310585842.3A Expired - Fee Related CN103623932B (en) | 2013-11-20 | 2013-11-20 | A kind of whole grinding of high pressure roller of middle coal and method for separating |
Country Status (1)
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CN (1) | CN103623932B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103962230A (en) * | 2014-04-28 | 2014-08-06 | 辽宁科技大学 | Method for smashing coal gangue through rollers at high pressure and recovering coal |
CN105032581A (en) * | 2015-07-09 | 2015-11-11 | 金堆城钼业股份有限公司 | Smashing and classifying technology for molybdenite |
WO2017161922A1 (en) * | 2016-03-22 | 2017-09-28 | 中国矿业大学 | Process for liberating and separating slack middling obtained from coking |
CN108262139A (en) * | 2018-03-22 | 2018-07-10 | 山西能源学院 | A kind of breaking method for coal mining |
CN111136086A (en) * | 2019-12-27 | 2020-05-12 | 西南科技大学 | Method and device for reducing coking coal ash content through steam jet controlled dissociation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102861663B (en) * | 2012-10-08 | 2013-10-30 | 中国矿业大学 | Breaking grinding dissociation and re-flotation two-stage recovery process of coal in scarce coking |
CN103143432B (en) * | 2013-02-28 | 2014-07-16 | 中国矿业大学 | Efficient crushing and three-section type screening method of coking coal gravity middings |
CN103386355B (en) * | 2013-07-23 | 2015-10-14 | 侯英 | A kind of high pressure roller selective molecular attraction of middle coal and method for separating |
-
2013
- 2013-11-20 CN CN201310585842.3A patent/CN103623932B/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103962230A (en) * | 2014-04-28 | 2014-08-06 | 辽宁科技大学 | Method for smashing coal gangue through rollers at high pressure and recovering coal |
CN105032581A (en) * | 2015-07-09 | 2015-11-11 | 金堆城钼业股份有限公司 | Smashing and classifying technology for molybdenite |
WO2017161922A1 (en) * | 2016-03-22 | 2017-09-28 | 中国矿业大学 | Process for liberating and separating slack middling obtained from coking |
CN108262139A (en) * | 2018-03-22 | 2018-07-10 | 山西能源学院 | A kind of breaking method for coal mining |
CN111136086A (en) * | 2019-12-27 | 2020-05-12 | 西南科技大学 | Method and device for reducing coking coal ash content through steam jet controlled dissociation |
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Publication number | Publication date |
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CN103623932B (en) | 2016-01-20 |
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PB01 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Hou Ying Inventor after: Wang Dong Inventor after: Zhao Tonglin Inventor after: Su Feng Inventor after: Xiao Licong Inventor after: Zhang Xu Inventor after: Wang Yupeng Inventor after: Fang He Inventor before: Hou Ying |
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COR | Change of bibliographic data | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20150924 Address after: 114051 No. 185 Qianshan Middle Road, hi tech Zone, Liaoning, Anshan Applicant after: Liaoning Science and Technology Univ. Address before: 110819 Heping Road, Heping District, Liaoning, Shenyang, Lane No. 11, No. 3 Applicant before: Hou Ying |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20161120 |