Thong tin khoa hgc cdng nghe md ^ TONG O ĴAN TINH HINH SAN XUAT, TIEU THU, SANG TUYEN THAN TREN THE Gidi VA 6 VIET NAM ThS NGUYEN Hdu NHAN At present, the total annual global coal productivity is abo[.]
Thong tin khoa hgc cdng nghe m d ^ TONG O^JAN TINH HINH SAN XUAT, TIEU THU, SANG TUYEN THAN TREN THE Gidi VA VIET NAM At present, the total annual global coal productivity is about ThS NGUYEN Hdu NHAN billion tons Of which, more than three billion tons has been vidn Khoa hoc Cdng nghe^Md"- Vinacomin used at coal fired power plants and more than 1/3 of the ' ^ " • commercial coal output on the worid has been cleaned So ^'®" ^^P- ^'^S- Hodng Minh HCing far, some countries having great coal production with various coal preparation technologies are China, USA, India, Russia, Australia, South Africa and Canada This paper provides some information on the coal production, preparation and consumption on the worid and in Vietnam I- Tong quan tinh hinh san xudt, tieu thu, sang tuyIn than tren t h i gidi LI- Tinh hinh san xuat va tieu thu than tren the gi&i Trong s l nguon nhien lieu hda thgeh, than Id logi nhien lieu cd trd lygng dygc phdn b l rdng rai nhat Than dygc khai thdc tren 100 quIc gia vd tren t i t ca cdc lye dja nggai trd khu vyc Nam eye Try lygng than Idn nhat dygc tim thay d My, Nga, Trung QuIc vd An Do Tdng hgp try '"'dng than cd t h i khai thdc tgi cdc nydc tren t h i S'O'' t'nh tdi thdi dilm culi nam 2008 dygc gidi thieu bang Bdng Tdng hgp trw Iwgng than cd thi khai thdc cQa cdc nw&c trdn thi gi&i [1] Than antraxit Than ban bitum Than bun Tong cong TT Ten nu'ac va bitum (trieu Tyle(%) (trieu tan) (trieu tan) (trieu tan) tan) l\/ly 108.501 98.618 30.176 237.295 27,6 Nga 49.088 97.472 10.450 157.010 18,2 33.700 62.200 Trung Quoc 18.600 114.500 13,3 Australia 37.100 2.100 37.200 76.400 8,9 An Do 56.100 4.500 60.600 7,0 Ode 99 40.600 40.699 4,7 Ucraina 15.351 16.577 1.945 33.873 3,9 Kazakhstan 21.500 12.100 33.600 3,9 Nam Phi 30.156 0 30.156 3,5 10 Serbia 361 13.400 13.770 1,6 11 Colombia 6.366 380 6.746 0.8 12 Canada 3.474 872 2.236 6.528 0,8 13 Ba Lan 4.338 1.371 5.709 0,7 14 Indonesia 1.520 2.904 1.105 5.529 0,6 15 16 17 18 Brazil Hy Lap Bosnia - Herzegovina M6ng Co 0 484 1.170 4.559 0 0 3.020 2.369 1.350 4.559 3.020 2.853 2.520 0,5 0,4 0,3 0,3 19 Bun-ga-ri 190 2.174 2.366 0,3 20 Pakistan 166 1.904 2.070 0,2 21 22 Cdc nu-dc khac Tong cOng • 7.304 404.762 2.890 260.789 10.887 195.387 21.081 860,938 2,4 100 KHCNM S6 8/2014* CN T U Y £ N CHE BIEN THAN - KHOANG SAN • Thdng tin khoa hgc cdng nghe md Ting hgp tinh hinh san xuit than hdng nam Tinh binh tieu thy than cua nhdng nydc cd cua nhdng nydc cd san lygng tren 100 trieu tin lygng than tieu thy Idn tren thi gidi dygc tdng dygc thi hien bang S l nam cdn lgi hgp bang khai thdc hit than dygc tinh todn dya tren try Tinh hinh xuat khau than cua nhdng nydc cd lygng bang vd san lygng khai thde nhy lygng than xuit khdu Idn tren thi gidi dygc tdng hien hgp bang Bdng Tdng hgp sdn Iwgng than hang nam cua mdt sd nw&c tren thi gi&i [2] TT Ten nw&c 2006 2007 2008 2009 2010 2011 Tyle(%) 2528,6 2691,6 2802,0 2973,0 3235,0 3520,0 1054,8 1040,2 1063,0 975,2 983,7 992,8 Trung Quoc My 10 11 12 449,2 478,4 515,9 Li6n minh Chau Au 595,1 592,3 563,6 392,7 399,2 382,2 Australia 313,5 328,6 309,9 Nga 193,8 216,9 240,2 Indonesia 244,8 247,7 252,6 Nam Phi 197,1 201,9 192,4 DLPC 156,1 145,9 144,0 Ba Lan 96,2 97,8 111,1 Kazakhstan Tong cdng 6342,0 6573,3 6795,0 An Do 556,0 538,4 413,2 301,3 256,2 250,6 183,7 135,2 100,9 6880,8 573,8 536,7 424,0 321,6 275,2 254,3 182,3 133,2 110,9 7254,6 588,5 576,1 415.5 333,5 324,9 255,1 188,6 139,2 115,9 7695,4 Tuoi thg (nam) 49,5 35 14,1 239 5,6 4,2 5,8 4,0 5,1 3,6 103 97 184 471 17 118 216 41 290 112 1,1 1,4 1,5 100 Bdng Tdng hgp tinh hinh tidu thu than cua nhwng nw&c cd Iwgng than tiduthu l&n trdn thi gi&i [3 TT 10 Ten num: Trung Quoc My An DO Nga DLPC Nam Phi Nhat Ban Ba Lan Tong c6ng 2008 2.966 1.121 641 250 268 215 204 149 7.327 2009 3.188 997 705 204 248 , 204 181 151 7.318 2010 3.695 1.048 722 256 256 206 206 149 7.994 2011 4.053 1.003 788 262 256 210 202 162 Tyl§(%) 50,7 12,5 9,9 3,3 3.3 2.6 2.5 2.0 100 Bdng Tdng hgp tinh hinh xuit khiu than nhwng nw&c xuit khiu l&n trdn thi gi&i [4], [5], [6] TT 10 11 12 13 Ten nuw: Australia Indonesia Nga My Nam Phi Colombia Canada Kazakhstan Viet Nam Trung QuIc Mong Co Ba Lan Tong cOrig 2006 255,0 192,2 103,4 51,2 75,8 68,3 31,2 30,5 23,5 85,6 2,5 25,4 1000,6 2007 268,5 221,9 112,2 60,6 72,6 74,5 33,4 32,8 35,1 75,4 3.4 20,1 1073,4 2008 278,0 228,2 115,4 83,5 68,2 74,7 36,5 47,6 21,3 68,8 4,4 16,1 1087,3 2009 288,5 261,4 130,9 60,4 73,8 75,7 31,9 33,0 28,2 25,2 7.7 14,6 1090,8 KHCNM S6 8/2014* CN TUYfiN CHE BIEN THAN - KHOANG SAN 2010 328,1 316,2 122,1 83,2 76,7 76,4 36,9 36,3 24,7 22,7 18,3 18,1 1212,8 Tyld(%) 25,9 22,2 10,7 6,2 6.7 6,8 3,1 3.3 2.4 5.2 0,6 1,7 100 Thdng tin khoa hgc cdng nghe md Bdng Tdng hgp tinh hinh nhdp khiu than nhwng nw&c cd Iwgng than nhdp khiu l&n trdn thi gi&i [7 TT Tennuxyc 2006 2007 2008 Nhat Ban Trung QuIc H^n Quoc AnD6 Ddi\ Loan Ode Tho NhT Ky Anh Tong cOng 199.7 42,0 84.1 52,7 69,1 50,6 22,9 56,8 991,8 209,0 56,2 94,1 29,6 72,5 56,2 25,8 48,9 1056,5 206,0 44,5 107,1 70,9 70,9 55,7 21,7 49,2 1063,2 Tinh hinh nhap khiu than cua nhdng nydc cd lygng than nhdp khdu Idn tren t h i gidi dygc ting hgp bang L2- Khai quat cong nghe sang tuyen than cua mgt so niF&c tren the gi&i [8] Hien nay, san lygng than tren todn t h i gidi khoang tren ty tan mdi nam Trong dd, tren ty tan dygc sd dyng cho cac nhd mdy nhigt dign d i t than, khoang han mdt phan ba san lygng than thyang pham tren todn t h i gidi da qua khdu tuyIn than Cde nydc cd san lygng than Idn cung nhy cdng nghe sang tuyIn than da dang nhat nhy: Trung QuIc, My, An Do, Nga, Australia, Nam Phi, Canada S l lygng cde nhd may tuyen vd ting cdng suit tuyen cua mdt s l nydc san xuit than Idn tren t h i gidi dygc gidi thieu bang Trung Quoc Try lygng than cua Trung Quoc ddng thd tren t h i gidi nhyng lai id nhd san xuat than ddng dau t h i gidi vdi san iygng nam 2011 len tdi tren 3,5 ty tan vd cung Id nydc cd s l lygng cac nhd may sdng tuyIn than Idn nhat vdi ting cdng suit tuyIn khoang 800 trieu tIn/nam Cdng nghe tuyen than diln hinh hien d Tmng QuIc nhy Bdng TT Ten nw&c Trung Quoc M9 An 00 So Iwqmg cdc nha mdy tuyen Tong cong suit tuyen (trieu tan) 2.000 (ndm 2004) 800 (ndm 2005) 265 (ndm 2006) 986 (ndm 2006) 53 (ndm 2006) 134 (ndm 2006) Australia 70 (ndm 2005) 370 (ndm 2005) Nga 87 (ndm 2006) 95 (ndm 2006) 2009 182,1 151,9 109,9 76,7 64,6 45,9 , 22,7 42,2 1039,8 2010 Tyle(%) 206,7 195,1 125,8 101,6 71,1 56,1 30,0 29,3 1178,1 17,5 16,6 10,7 8.6 6,0 4,7 2.5 2.5 100 sau: - Than nguyen khai dap xuIng -100 mm - TuyIn than d p hgt Idn (13 - 100)mm: 60% dygc tuyIn bang mdy lang, 40% dygc tuyIn mdi trydng huyIn phu nang - TuyIn than d p hat nhd (0,5 - 15)mm: TuyIn bang xody l i e huyen phu nang san pham (dydng kinh 660mm d i n 1.300mm), tuyIn bang xody l i e huyen phu ndng san pham (dydng kinh 1.000mm d i n 1.400mm) - TuyIn than d p hat mjn - 0,5mm: Chu y l u Id tuyIn n l i ca gidi, d i i vdi d p hat rit mjn tuyIn bang tuyIn n l i cdt - Tuyen dygc dp dyng rat ban ehi: TuyIn bang thilt bj ban dai phdc hgp - Cdc thilt bj khd nydc: Sdng cao t i n , mdy ly tdm (ddng vd ngang), mdy Igc ep My My cd try lygng than ddng dau tren t h i gidi nhyng san lygng than ddng thd tren t h i gidi vdi san lygng nam 2011 dgt 992,8 trieu tan Cdng nghe tuyIn than diln hinh hien d My nhy sau: - Mdi mgt nhd may tuyen than cd hoac tren day chuyen tuyIn ddc lap d l tuyIn cdc cd hat than khac - Than cd hat Idn (10 - 100)mm dygc tuyen bang thilt bj huyen phu b l Than cd hat nhd (1 - 10)mm dygc tuyIn bang xoay l i e huyIn phu dydng kinh nhd ban 1.000 mm Than cd hat mjn (0,15 - 1)mm dygc tuyIn bang cac thilt bj nhy xoay l i e nydc, mang xoan hoac k i t hgp ca hai KHCNM S6 8/2014* CN T U Y £ N CHE: B I £ N THAN - KHOANG SAN Thdng tin khoa hgc cdng nghe md - Than bun -0,15mm dygc tuyIn ndi bgt sau khd bun d p hgt - 35/40 micron - Cde thilt bj khd nydc: Cd hat Idn bang cde mdy ly tdm, cd hat nhd han bang mdy lgc chdn khdng kit hgp vdi may sly Nga Try lygng than cua Nga ddng thd tren t h i gidi nhyng chi Id ddng thd tren t h i gidi v l san xuit than vdi san lygng nam 2011 dat 333,5 trieu tin Cdng nghe tuyen than diln hinh hien d Nga nhy sau: TuyIn bang huyIn phu b l vd xody lie huyIn phu chilm 53,1% TuyIn bang mdy lang chilm 30,1% TuyIn bang thilt bj tuyIn ndi chilm 9,0% TuyIn bang thilt bj xody l i e nddc chilm 4,2% - TuyIn bang thilt bj mdng xoan chilm 2,4% - Tuyen bang thilt bj tuyen chilm 1,2% - Cdc thilt bj khd nydc: sdng cao tan, may ly tdm, may lgc ep bang, mdy lgc dTa An Do Cdng nghe tuyen than diln hinh hien d An Do nhy sau: Than nguyen khai dygc dap xulng^-lOO mm TuyIn than d p hgt Idn (13 - 100)mm bang cdc thilt bj nhy: mdy lang lydi chuyin dgng, mdy lang d p hgt Idn, mdy tuyIn huyen phu ndng, may tuyIn huyIn phu ty sinh TuyIn than d p hat nhd (0,5 - 15)mm bang cdc thilt bj nhy: mdy lang d p hgt nhd, xody lie huyIn phu nang (dydng kinh 660mm d i n 1.000mm) - Tuyen than d p hat mjn - 0,5mm: Tuyen noi, mang xoan, xoay lie nydc ^ - Cde thilt bj khd nydc: May lgc chdn khdng, sdng cao tan, mdy ly tdm, mdy Igc ep bang Australia Cdng nghe tuyIn than diln hinh hien d Australia nhy sau: - Than nguyen khai dygc dap xuIng -60 mm - TuyIn than d p hat Idn: Chu y l u Id xoay lie huyIn phu dydng kinh 1.000mm hoac Idn han, mgt vdi nhd may sd dung may tuyIn huyen phu tang trIng hoac huyIn phu b l , rit It nhd may sd dung mdy lang - TuyIn than d p hat nhd: mang xoan vd chi sd dyng tuyen noi cho than diJng cho luyen kim - Cde thilt bj khd nydc: Cd hat Idn bang cdc mdy ly tdm, san phdm tuyIn ndi dung mdy Igc chdn khdng, san pham dudi sd dyng b l co ddc vd may lgc ep bang 6- Nam Phi Cong nghe tuyen than diln hinh hien d Nam Phi nhy sau: - Than nguyen khai dygc dap xuIng -80 mm - TuyIn than d p hat Idn (8 - 80)mm: Chu ylu Id xody l i e huyen phu dydng kinh Idn, thilt bj tuyIn huyIn phu tang trIng, mdt vdi nhd mdy sd dyng may mdy lang - TuyIn than d p hgt nhd (0,8 - 8)mm: Sd dyng xody lie huyIn phu dydng kinh nhd - TuyIn than d p hgt mjn: Chu y l u sd dung mdng xoan, rit it sd dung tuyIn noi ' Canada Cdng nghe tuyIn than dien hinh hien d Canada nhy sau: - Mdi mgt nhd may tuyen than cd ddy chuyin tuyIn dgc lap d l tuyIn cac cd hat than Hinh Sa dd cdng nghd tuyin than chit Iwgng thip kit hgp giO-a mdy tuyin huyin phO t^r sinh kiiu tang quay v&i xody tdc huyin phO tw sinh ciia Cdng ty Parnaby Cyclones International Limited - Anh KHCNM S6 8/2014* CN TUYEN C H I : B I £ N THAN- KHOANG SAN Thdng tin khoa hgc cdng nghe md Bdng Cdng suit cdc nhd mdy tuyin tmng tdm vd cdc ddy chuyin sang tuyin tai cdc md vung Qudng TT A - II III B Nang suit (trieu tan/nam) Th&i gian dwa Tyle Nang suit Nang suit hidn vao hoat dgng (%) thiet ki (2013)' 38,86 6.700.000 16.648.022 4.100.000 10.900.000 1.000.000 1926 1.900.000 2.500.000 6.800.000 1990 600.000 2.200.000 1980 Co^ s& sang tuyen C^c nha may tuyen than trung tam Cong ty tuyin than Cda Ong Nhd mdy tuyin than Cda Ong Nh^ m^y tuyen than Cda Ong II Nh^ mdy tuyen than Cda Ong III C6ng ty tuyen than H6n Gai Nha may tuyen than Nam Cau Trang Mo than Vang Danh Nhd may tuyin than Vdng Danh Cdc day chuyen sdng tuyin tai cdc mo than Ddy chuyen tuyen ndng cao chat lu'ong than bdng cong ngh§ huyen phu ty sinh vd cong ngh§ huyen phu manhetit tang quay (17 ddy chuyen) II C Ddy chuyen sdng kh6 vd nhat tay San lygng than nguy§n khai (2013) khde Than cd hat Idn (10 - 100)mm dygc tuyin bang thilt bj huyin phu be hoac huyin phu tang trIng - Than cd hat nhd (0,5 - 10)mm dygc tuyin bang xody lie huyin phu nang - Than cd hgt mjn (0,15 - 0,5)mm dygc tuyin bang xody lie nydc - Than bun -0,15mm dygc tuyen noi bgt, tuyin noi cdt vd mdng xoan II- Khai quat cdng nghe sdng tuyin than d Viet nam // 1- Cong nghe sang tuyen than a Viet Nam Hign nay, han 95% lygng than nguyen khai cua Tap dodn Cdng nghigp Than- Khodng San Viet Nam dygc khai thde vd e h i biln tai cdc md than vung Quang Ninh Ngdnh than cd cac nhd may sdng tuyin trung tdm vdi tong cdng suit hign tren 16 trieu tIn/nam, tyang dyang khoang 38% ting san lygng than nguyen khai cua todn Tap dodn, ban 60% san lygng than cdn lai dygc sang tuyin e h i biln tai md (nam 2013) Cdc nhd may tuyin than trung tdm nhy: Nhd may tuyen than Cda Ong I, Nhd mdy tuyin than Cda Ong II, Nha may tuyen than Cda Ong III, Nhd mdy tuyen than Hdn Gai vd Nhd may tuyin than Vdng Danh Cdng suit cde nhd mdy tuyen trung tam vd cac day chuyin sdng tuyen ' 2.000.000 3.248.022 1996 600.000 2.500.000 26.193.738 1972 8.000.000 2005-2012 i 61,14 18.193.738 42.841.760 18,67 42,47 tai cdc md vung Quang Ninh dygc gidi thieu bang - Nhd may tuyin than Cda Ong II vd nhd mdy tuyen than Hon Gai dygc Australia thilt k l vdi cdng nghe tuyin than bang mdy lang kit hgp vdi xody lie huyin phu, Igc ep tang dp, ble xuc lien hgp vd he thong dilu khien ty dgng dgt trinh cdng nghe d mdc tien tiln tren t h i gidi Nhd may tuyin than Cda Ong I vdi cdng nghe Id sdng khd, nhat thu cdng than cue tuyin than bang mdng n>a nghieng Nam 2005, da triln khai thay t h i mdng rda bang mdy lang vd xoay lie huyin phu tyang ty nhy nhd mdy tuyin than Cda Ong II Nhd mdy tuyen than Cda Ong III cdng nghe Id sdng kho tdeh cdm bang sang true vit, than don xo dygc dya nghiln pha trgn hoac dya ve tuyen thu hoi than cue Nhd may tuyin than II Nhd mdy tuyin than Vdng Danh vdi cdng nghe tuyin than bang phyang phap huyin phu ndng Td nam 2000, sau nhieu lan nghien cdu cai tao md rgng, d i n nay, cong suit nhd may dat khoang gan trigu tan/nam Ndi chung, cac nhd nidy tuyin than trung tam vung Quang Ninh da san xuat dygc cdc chung loai san pham dap dng dygc yeu d u chat lygng cho tieu thy nydc vd xuit khau nhyng da thai cd tro chya cao, cdn lan than khoang 3% tdi 5% - Tai cdc md than, td trydc nam 2005, KHCNM S6 8/2014* CN TUYEN CHE BIEN THAN - KHOANG SAN w Thdng tin khoa hgc cdng nghe md than, bang huyen phu tang quay bode t y sinh, d n nghien cdu dya dp dyng he thing xd ly bun nydc bang xoay l i e phdn d p , bo cd ddc, lgc dTa nham on djnh ndng suit, ndng cao chit lygng vd he s l thu hoi than sgch, thu hoi triet de nydc tuan hodn D i i vdi cdc md than chya cd he thing tuyin d n triln nghien cdu dya dong bg cdng nghe tuyen than bang huyin phu ty sinh, huyin phu tang quay D i i vdi cdc md than cd nhu d u tuyin ehi biln d i t dd ldn than, d n triln khai cde he thing tuyin than cdm chat lygng t h i p bang xody lie huyin phu ty sinh (ddy Id k i t qua nghien cdu de tdi cua Vien Khoa hgc Cdng nghe Md ndm 2013), b l cd dac, Igc ep nham tan thu tdi nguyen, giam thieu than ton dgng, giam thilu nhilm mdi trydng Nghien cdu trien khai ndi dja hod cdc san pham ca ITnh vyc sdng tuyin than (nghien cdu ehi tgo thilt bj sdng rung lyd;i cong, c h i tgo thilt bj mdy lang, mdy Igc, mdy tuyin than) 6k hien dai hda vd ndng cao hieu qua quan ly, dilu hdnh tiln hdnh nghien cdu ehi tgo, tich hgp he thing dilu khiln vd lydng Tilp tyc trien khai ddo tgo ndng cao trinh dg dgi ngu cdn bd ky thudt, cdng nhdn van hdnh 11.2 Dd xudt cdc giai phdp do! mdi cdng quan ly cdng nghe chat lygng vd cdng nghe ITnh VLPC sang tuyin than nghg tuyin than./ * Ddi vai cac nha may tuyen than trung tam Tai lieu tham khdo: Nhd may tuyin than Cda Ong vd Hdn Gai 1- World Energy Council - Sun/ey of Energy Red n trien khai dp dyng tuyin tan thu than cdn lgi sources 2010 (PDF) Retrieved on 24 August 2012 2- "BP Statistical review of world energy 2012" xit thai bang cdng nghe huyin phu ty sinh Triln khai dp dyng cdng nghe san xuit vat lieu (XLS) British Petroleum Retrieved 18 August 2011 3- EIAI ntemational Energy Annual - Total Coal Conxdy dyng td dd xit thai nhd mdy tuyen thay t h i cho dat set nham tan thu tdi nguyen vd giam sumption (Thousand Short Tons) Eia.gov Retrieved on 2013-05-11 thilu d nhilm mdi trydng 4- EIA International Energy Annual - Total Coal Nhd mdy tuyin than Vdng Danh d n nghien Exports (thousand short tons) Tonto.eia.doe.gov Recdu qui hoach dong bg xdy mdi nhd mdy tuyin trieved on 24 August 2012 than ddp dng cdng suit trieu tan/nam, doi mdi 5- Table 114 World Metallurgical Coal Flows By cdng nghe tuyin than bang huyin phu be hign Importing Regions and Exporting Countries 1,2/ (mildai, nghien cdu dya cdng nghg xd ly bun nydc lion short tons), eia.doe.gov hign dai theo hydng xody lie phdn d p , b l cd 6- World Coal Flows by Importing and Exporting dac cd sd dung chit keo tu vd lgc ep tang dp Regions Eia.doe.gov Retrieved on 24 August 2012 nham ndng cao hg s l thu hIi than sach, tgn thu 7- International Energy /Annual - Total Coal Imports tdi nguyen vd giam thilu d nhilm mdi trydng (thdusand short tons) Tonto.eia.doe.gov Retrieved on 24 August 2012 * Doi vol cac day chuyen sdng tuyen tai cac 8- Global coal benification scenario and mo than economics of using washed coal - S.R.GHOSH, DIR Doi vdi cdc md than da cd hg thing tuyin (Engineering services) cdng nghe sdng tuyin lac hdu, hau bdt Id sdng khd vd nhdt thu cdng than eye nen chit lygng san pham khdng on djnh, ti le thu hoi than eye thip, than don xd bd sdng dd dang ton dgng tren kho bdi Id rit Idn gdy d nhilm mdi trydng vd that thodt tdi nguyen Td sau ndm 2005, Vien Khoa bgc Cdng nghe Md dd'phli hgp vdi cdc md than nghien cdu triln khai cde he thing sdng tuyin tgi md bang cdng nghe huyin phu tang quay vd huyin phu ty sinh 6k co gidi hod, bdn ty ddng khdu tuyen than nham tan thu tdi nguyen, giai quylt cdc v i n d l ton dgng than ba sdng bdi thai, tao viec ldm cho ngydi lao ddng vd ndng cao hieu qua san xuat kinh doanh tai cdc md than Cho d i n nay, dd xdy dyng vd dya vdo dp dung 17 ddy chuyin sdng tuyin than tgi md vdi tong cdng suit ban trieu t i n than vdo tuyin, chilm tren 18% san lygng than todn ngdnh Viec dp dyng cdc ddy chuyin tuyin than bang huyin phu ty sinh vd tang quay da giai quylt ca ban v i n d l ton dgng than ba sdng tgi cde md, nhien, vdn cdn nhilu t i n tgi phdt sinh phai giai quylt nhy: Van d l ddng bg, ty ddng hod day chuyen sdng tuyin vdi cdng suit md, xd ly bun nydc sau sdng tuyin, xd ly dat dd l i n than qud trinh khai thdc 6k tan thu tdi nguyen KHCNM S6 8/2014* CN TUYEN CHE B I £ N THAN - KHOANG SAN ... may tuyen than trung tam Cong ty tuyin than Cda Ong Nhd mdy tuyin than Cda Ong Nh^ m^y tuyen than Cda Ong II Nh^ mdy tuyen than Cda Ong III C6ng ty tuyen than H6n Gai Nha may tuyen than Nam Cau... sang tuyen than a Viet Nam Hign nay, han 95% lygng than nguyen khai cua Tap dodn Cdng nghigp Than- Khodng San Viet Nam dygc khai thde vd e h i biln tai cdc md than vung Quang Ninh Ngdnh than cd... san xuit than hdng nam Tinh binh tieu thy than cua nhdng nydc cd cua nhdng nydc cd san lygng tren 100 trieu tin lygng than tieu thy Idn tren thi gidi dygc tdng dygc thi hien bang S l nam cdn lgi