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Thong tin khoa hpc cong nghe m o \ NGHIEN CQU DE XUAT PHlHTNG AN CONG NGH| SANG TUYEN NHAM NANG GAG CHAT LUDNG THAN TAI Xl NGHIEP THAN HA RANG CONQ T Y T H f i N H LONG - T i W ThS NGUY6N HO'U NHAN The paper represents the research results and proposes the screening and separation technology for increasing the ThS MAI VAN THINH coal quality at Ha Rang coal mine to increase the business Vi$n Khoa hpc Cdng nghi Md-Vinacomin and production efficiency of the mine Biin tip: ThS Hoing Minh Hung - Ma ddu Xi nghiep than Ha Rdng thupc Cdng ty than Ha Long - TKV cd san lu-png than nguydn khai dgt 689.000 t i n nam 2014 Theo k l hogch, san laang se dat 750.000 t i n ndm 2015 vd tri a mi>c 700.000 t i n eac nam tiep theo Than nguyen khai (TNK) eija md Ha Rang ed dp tro trung binh tu-ang d i i cao, ti> 43% 44%, dd, than nguyen khai ham Id cd dp tro ta 42%-44%, chiem g i n 75% ting s^n lypng cua md, cdn lai Id than nguyen khai Ip thien chilm gin 25%, vai dp tro tmng binh 44%-47% Hl$n nay, cdng ngh$ sdng, ehi biln than cua md Hd Rdng chf bao gIm sang khd taeh cam, nhgt tay, nghiln pha trpn nen chit lu'png san phim sau sang, c h i biln hoan toan phg thupc vdo chit lapng than nguyen khai, han nCra, TNK cd chit lapng taang d i i x l u nen san phim than sach cua md rlt khd tieu thy, hipn nay, md cdn t i n dpng han 300.000 t i n than don xd ba sang va than chit lapng thip, gay anh haang Id-n den hogt dpng san xuit kmh doanh cua md De giai quylt cac v i n d l tren, Vipn Khoa hpc Cdng nghp Md da tiln hanh khao sdt hipn trgng, lay mdu phan tich danh gia, lap phyang an cdng ngh^ sdng tuyIn nang cao chit lapng than md Hd Rdng Bdi bdo trinh bay kit qua nghien cau dge tinh than va phan tich lya chpn phu-ang an cdng nghp sdng tuyIn nang eao chit lapng than tai Xi nghi$p than Hd Rang de nang cao hi^u qua san xuit kinh doanh cua md - K i t qua nghien ciru danh gia tinh c h i t than md Ha Rang D l xdy dyng phaang an cdng nghp sang tuyIn nang cao chat lapng than md Ha Rang, dap ang yeu d u tieu thy, Vien Khoa hpe Cdng nghp Md da phii hap vai Cdng ty than Hp Long khao sdt hipn trang, l l y m l u nghien cuu cac ddc dilm tinh chit eua than nguyen khai vd than tin dpng cua md Hd Rang bao gIm: Than nguydn khai dang san xuit, than don xd ba sang ton kho, than nguydn khai chit lagng thap t i n kho Cdc mlu sau l l y dago phan tich xae djnh ddc dilm tinh chit, thdnh phan dp hgt, dge tinh kha tuyIn phyc vu lap phaang an sdng tuyIn nang cao chit lagng tlian 2.1 Kit qua nghien ci>u tinh chat than nguyen khai a Ket qua nghien cuu phan dO h^t Mdu than nguydn khai dape lly la miu tong hgp tu- cdc nguIn than h i m Id va Id thien dang san xuit eua md Kit qua phan tich phin dp hgt dagc ting hgp bang Nhan xdt: - Cap hgt + 45 mm chiem ty 1$ 15,19% voi d | tro 72,25% ehu y l u Id dd - Than cam d p hgt {0-15)mm cd tf Ip 60,87%, dp tro 33,26% thupc chung logi cam 5b Cam d p hgt (0-6)mm cd ti Ip 45% vdi dp tro 29,47% thupc chung logi cam 5a - Cd' hgt than cdm cdng giam thi dp tro than cam cdng thip, than cdm (0-6)mm dat chit lagng cdm - Don xd d p hgt (15-45)mm t a nguIn than nguyen khai chilm ty Ip 23,93%, vd-i dO tro 53,47% Nlu nghien don xd se thu dygc cam 7b, se khdng cd du cam t i t 6h pha trOn vd-i cam nghiln de l l y cam d p cho tieu thu VI vay don xd (15-45)mm d n dagc tuyIn ndng cao chit lagng, sau nghiln pha trpn d l giam dp tro than cam, dap ang yeu d u tidu thy b Kit qua phan tich phan chim noi Mdu than nguyen khai md Ha Rang d p hgt KHCNM S 6/2015 * CN TUVfeN, CHfc BIEN THAN -KHOANG SAN Thong tin khoa hpc cong ngh$ mo (15-45)mm dypc vdt chim nSi d eac ti trpng than cam dat chit lypng cam 5a d i n 5b Ba thai Tgtan? va LOglarC K i t qua t6ng hpp xdc djnh eddptrpAk tren 80% thdnh phlln ty trpng than nguyen khai md Ha 2.2 Kit qua nghiSn ciru tlnh chit cac Rdng c^p hat (15-45)mm dype trinh bay Chung loai than chat lu^ng thap tdn kho bang 2.2.1 Kit qua nghien ciru tinh chat than don Nhan xet: xd ton kho -Thandonx6elphat(15-45)mm eo tinh kha a KM qua nghien ajv thinh phan tid h^t tuyen thuoc lopi trung binh tuyln K i t qua phan tich thdnh phin dp hat mau - Khi tuySn don x6, ed t h i thu h6i dyp-c eye than don x6 t i n khp dypc tong hpp bang don 6a, 6b d$ tro 20% - 26%, sau nghiin pha trpn vdi than cdm khd se thu dype san phim Bdng Kit qui phin tich thinh phin dd hat miu than nguyin khai md Hi Ring TT Cip h^t (mm) +45 35-46 25-35 15-25 6-15 0-6 COng 0-15 15-45 Thu ho^ch (%) B5troA^(%) 15,19 6,80 6,38 10,76 15,78 45,09 100,00 60,87 23,93 72,25 58,04 54,56 49,93 44,08 29,47 44,02 33,26 53,47 Luy tich (*) TH(%) A'(%) 15,19 72,25 21,99 67,86 28,37 64,87 39,13 60,76 54,91 55,97 100,00 44,02 Luy tich (-) TH(%) AU%) 100,00 44,02 84,81 38,96 78,01 37,30 71,63 35,76 60,87 33,26 45,09 29,47 Bing Kit qui phin tich chim nil cip h^t (15-45)mm than nguyin khai md Hi Ring THr(%) Cap tf tnfng (g/cm>) Trong cap Tmng than dau 31,47 6,99 -1,7 14,32 2.73 1,7-2,0 54,21 10,32 +2,0 100,0 19,04 Cpng 20,46 4,90 BUn 23,93 Tdng Bing Kit qui phin tich thinh phin TT Cip h9t (mm) +45 35.45 25-35 15-25 6-15 0-6 Cdng 0-16 15-45 06 tro A'r/.) Phin noi THI^(%) Phin chim D^troA'' (%) THZr(%) Do tro A' (%) 16,57 31.AT 16,57 100,00 58,50 58,05 45,79 29,64 68,53 77,76 82,97 100,0 58,50 54,21 82,97 68,50 33,84 53,46 dd hat miu than don xd tin kho md Hi Ring Lujr tich (-) Luf tich (*) Thu BotmA'(%) ho^ch(%) TH(%) TH(%) A'(%) A'(%) 1,52 72,76 1,52 72,76 100,00 53,28 12,17 66,69 13,69 67,36 98,48 62,98 16,65 65,09 29,34 66,15 86,31 51,04 20,22 66,70 49,66 62,30 70,66 47,93 52,72 65,00 60,02 50,44 44,41 15,44 35,00 40,75 100,00 53,28 35,00 40,75 100,00 53,28 60,44 44,41 48,04 61,96 KHCNM S 6/2015 * CN TUYEN, C H t BIEN TIEAN -KHOANG SAN Thong tin khoa hoc cong nghe m o (15-45)mm dagc vot chim n l i a cdc ti trpng 1,7g/cm^ va 2,0g/em^ K i t qua tong hgp xae t^nh thdnh phan ty trpng than don xd t i n kho mo Hd Rang d p hgt (15-45)mm doge trinh bay bang Nhan xet: - Than don xd d p hgt (15-45)mm cd tinh kha tuyen thudc logi trung binh tuyln - Khi tuyln don xd cd t h i thu h i i dagc eye don 6a; 6b dd tro 20% - 26% (toang doang than cam 4a, 4b), sau dd, nghiln pha trdn v&\ than cdm khd se nang cao dagc chit lagng than cam pham ddp Crng yeu d u tidu thy, da thai cd dp tro tren 79% 2.2.2 Ket qua nghien cuu tinh chit than nguyen khai chat lu^ng thip tdn kho a Kit qua nghien cChj thinh phin dO h$t b Kit qui phin tich phan chim noi Mdu than nguyen khai t i n kho md Hd Rdng Mlu than don xd t i n kho md Ha Rang d p hgt dagc phdn tich sdng khd thdnh cdc d p hgt (0Bing Kit qui phin tich chim ndi cip h^t (15-45)mm than don xd tin kho md Hi Ring Nhgn xet: - d p hgt + 45mm chilm ty Ip 1,52% vd'i dp tro 72,76% chu y l u la da - Than cdm d p hgt (0-15)mm cd t' Ip 50,4%, dp tro 44,4% thupe chung logi culi cam 6b Cam d p hgt (0-6)mm cd ti Ip 35% vai dp tro 40,75% thupc chung logi dau cam 6b - C& hgt than cdm cang giam thi tro than cdm cdng thip, than cdm (0-6)mm dgt chdt lygng culi 6a, d i u 6b - Don xd t i n kho d p hat (15-45)mm vd'i dp trp trdn 61 %, nlu nghiln se thu doge cam chit lagng thip, pha trpn se lam giam chit lagng cua than edm thdnh phim Vi vgy, don xd d n dagc tuyen d l thu h i i than chit lagng cao phyc vy cho nghiln pha trpn d l giam d | tro than cdm, dap ang yeu d u tieu thu Ciptf trgng (g/cm') -1,7 1,7-2,0 +2,0 C(5ng BCin T6ng THrPi) Trong cip Trong than diu 24,98 11,38 16,62 7,12 27,07 59,41 100,0 45,67 2,47 6,15 48,04 SdtroA" Phin noi (%) THZrC/') 17,45 24,98 56,21 83,82 Do tro A" '(%) Phin chim THEr(%) Do tro A" (%) 17,45 100,00 62,78 40,59 31,98 75,02 77,87 100,0 62,78 69,41 83,82 62,78 46,60 61,94 Sdng Kit qui phin tich thinh phin ddhatm iu than nguyin khai tin kho md Hi Ring TT Cip h^t (mm) Thu ho^ch BgtroA'(%) Pi) Luy tich (*) LuSrtich(-) TH(%) A'r/,) THr/') A'Pi) +45 16,63 74,89 16,63 74,89 100,00 49,52 36-46 6,07 66,59 22,70 72,67 83,37 44,46 26-36 6,62 61,46 28,32 70,45 77,30 42,72 15-25 9,66 56,49 37,98 66,90 71,68 41,25 6-15 16,96 48,69 63,93 61,48 62,02 38,88 100,00 49,52 46,07 35,62 6 0-8 46,07 35,62 Cpng 100,00 49,52 0-16 62,02 38,88 15-45 21,35 60,67 kllCNM S 6M15 - CN TI i E.S, CUE BIEN TIUN -KIIOA.SC SAN Thong tin khoa hoc cong nghe mo Sdng Kit qui phin tich chim ndi cip h^t 15-45 mm than nguyin khai tin kho md Hi Ring Capty (g/cm') -1,7 1,7-2,0 +2,0 COng Bun Tdng THrr/') Trong than dau 4,06 3,69 10,67 18,32 3,03 21,35 Trong cip 22,17 19,60 68,23 100,0 14,19 Phin noi Od tro A' B^troA' (%) 17,68 64,39 82,44 64,54 37,19 60,66 6)mm, (6-15)mm, (15-25)mm, (25-35)mm, (3545)mm vd +45mm Kit qua phan tich thdnh phin dp hat dagc ting hgp bang Nhgn xet: - d p hgt + 45mm chilm ty Ip 16,63% vai dp tro 74,89% chu y l u Id dd - Than cam d p hgt (0-6)mm ed ti le 46% vd'i d0 tro 35,52% thupc chung logi d i u cam 6a - Cd" hgt than cdm cang giam thi dp tro than cam cang thip, than cam (0-6)mm dgt chit lagng culi cdm 5b, d i u cdm 6a - Don xd d p hgt (15-45)mm ti> nguIn than nguyen khai t i n kho chilm ty le 21,35%, vd'i dp tro 60,67%, n l u nghien se thu dagc than cam chit lagng x l u han cam 7e, vi vgy, don xd d n dagc tuyln d l thu h i i than chit lagng cao phyc vy cho nghien pha trpn dap ang yeu d u tidu thy b Kit qud phan tich thinh phin chim nil Mdu than nguyen khai t i n kho md Hd Rdng d p hgt (15-45) mm dagc vot chim n l i d" cac ti trpng IJg/cm^ vd 2,0g/cm^, Kit qua ting hgp xdc djnh thdnh phin ty trpng than nguyen khai t i n kho md Ha Rdng d p hgt (15-45) mm dagc trinh bdy bang Nhgn xet: Phan chim B^troAf THErr/') (%) THZr(%) 22.,M 41,77 100,0 17,68 39,60 64,64 100,00 77,83 68,23 r/.) 64,64 77,89 82,44 Hun dm 10 ba sm^ INK (Mt linng ^ , ihmcamAiihiaigifaap Sing ning igfnii iniil-ailiuygiphiinisyi SangrOadi Siflgraatai • Bim HeftoDEXtt^bimntsic Ibnbon TMt Tbnadi Di6ai c^pkbon tuinhnn Hinh Sa dd cdng nghi diy chuyin sing tuyin n§ng cao chit lugng than md Hi Ring 3.1 Di xuit cong nghe sang tuyen nang cao chit lifong than * Lya chpn cdng nghe sdng tuyln nang eao chit lagng than md Ha Rang daa tren cae ca - Than don xd d p hgt (15-45)mm cd tinh kha tuyln thupe logi d l tuyln d i n trung binh tuyln - Khi tuyln don xd ed the thu h l l dagc eye SO": don 6a, 6b dp tro 20% - 26% (taang dagng than - Can ca vdo san lagng chit lagng than d n cam 4a, 4b), sau dd, nghiln pha trdn vd'i than sang tuyen nang cao chit lagng cdm khd se nang cao dagc chit lagng than cam - Can ca vao yeu d u chit lagng san pham phim ddp ang yeu d u tieu thy Da thai sau tuyln phai dat tieu ehuan than cam vd cam cd dp tro tren 79% 6a Di xuit phu'ang an cdng nghe sang - Can ca vdo k i t qua nghien cau phan tuyln nang cao chit lu>gng than md Ha Rang dp hat, dge tinh kha tuyln, dac dilm tinh chit KHCNM S 6/20IS * C N T U Y & N , CflK BIEN THAN -KHOANG SAN Thong tin khoa hoc cong ngh$ mo Bing Cin bing sin phim diy chuyin tuyin ning cao chit lu^ng than TT + + 2.1 + + + 2.2 Chung loai than Than vio dOy chuydn Than don xO tO nguon TNK Than don xO ton tif dc nguOn than chat lypng thap khSc Cdc san phdm Than sach Than cdm kho Than sach sau tuydn Than bCin OS thdi Thu hoach (%) 100,00 67,6 catro^; 32,5 57,42 130.000 100,00 61,78 13,56 25,92 12,30 48,22 64,72 31,17 34,15 27,03 36,62 80,00 400.000 207.120 64.240 103.680 49.200 192.880 than nguyen khai, than ton kho md Ha Rang Nhdm thyc hipn d l xuit phaang dn sang tuyln ndng cao chit lagng than md Ha Rang nha sau: - Duy tri cdc cym sang khd hi0n cd cua mo Hd Rdng - D i u ta xay dyng 01 ddy chuyin sang tuyln nang cao chit lagng than don xd tO cac cym sdng bang cdng nghp tuyln huyIn phu ty sinh NguIn than don xd daa vao day chuyin tuyln chu y l u ta than nguydn khai dang san xuat, ngodi cdn cd than don xd ta than nguydn khai chit lagng thip t i n kho vd than don xd tir don xd ba sang t i n kho San phim than sgch sau tuyln dagc nghiln pha trdn vd'i than edm khd de giam dO tro chung cua than cam phim dat chit lagng tidu thy 54,72 53,47 San luong (tan/nim) 400.000 270.000 - Than nguyen khai md Ha Rang thupc logi cd chit lagng x l u so vai cac dan vj khde Tap dodn, dp tro tmng binh than nguydn khai ta 43%44% do, TNK h i m Id cd dp tro 42%-44%, TNK Ip thien ed dp tro 44%-47% - Cdng nghp sang tuyln eua md Hd Rang hi^n chr cd sang khd, nhgt tay nghiln pha trpn nen chit lagng san phim hoan toan phy thude vdo chit lagng than d i u vao Vipe nghiln than don xd, sau dd pha trpn vd'i than cdm khd da vd dang Idm cho chit lagng than cam ban d i u da x l u lai edng xau han, khd tieu thy va lam gia tdng lagng than t i n kho cua md Kit qua phan tich ehim n l i cac mdu than don xd to* edc nguIn than nguyen khai dang san xuit, don xd ba sang t i n kho, than nguydn khai * So edng nghp day chuyen tuyln nang x l u t i n kho - d i u eho thiy than don xd cd tinh eao chit lagng than don xd md Hd Rdng dagc kha tuyln thudc logi de tuyln d i n trung binh d l xuit tren hinh tuyln, cdng nghp tuyln huyen phu ty sinh rlt 3.2 Tdng hQp cin bing sin phim phu hgp d l tuyln ndng cao chit lagng loai than Ting hgp can bing san pham day chuyen ndy tuyln nang eao chit lagng than md Ha Rang D l xuit md than Hd Rang d n diu ta xay bdng cdng nghp tuyln huyen phu ty sinh dagc dyng 01 ddy chuyin tuyln than bang cdng ngh$ trinh bdy bang tuyln huyIn phO t y smh, cdng suit cua day Nhgn xet: chuyin khoang 400.000 tIn/nam Ddy chuyin San phim than sgch eua ddy chuyin tuyln sdng tuyln se chu dpng chit lagng than thdnh nang eao chit lagng than dgt tieu chuin edm phim dap Cpng ydu d u tieu thy, giai quylt vin va san phim dd thai cd dp tro Ak=80% du tieu de t i n dpng than, tan thu dagc tdi nguyen, quy chuin d l thai hpach d l thai va bao vp moi tn^ang K i t lugn va k i l n nghj KiSn nghi Kit luin Tir kit qua khao sdt hipn trang, l l y mlu nghien eau cac ddc dilm tinh chit than md Ha Rang mt kit lugn sau: De nghj Cdng ty than Hg Long xem xet cho triln khai thyc hipn phaang dn sdng tuyln nha d l xuat nham giai quylt v i n de t i n dpng than tgi md Ha Rdno./ KHCNM S 6/2015 * CN TU VEN CHjfc BltN THAN -KHOANG SAN ... tuyin n§ng cao chit lugng than md Hi Ring 3.1 Di xuit cong nghe sang tuyen nang cao chit lifong than * Lya chpn cdng nghe sdng tuyln nang eao chit lagng than md Ha Rang daa tren cae ca - Than don... 26% (taang dagng than - Can ca vdo san lagng chit lagng than d n cam 4a, 4b), sau dd, nghiln pha trdn vd''i than sang tuyen nang cao chit lagng cdm khd se nang cao dagc chit lagng than cam - Can... CflK BIEN THAN -KHOANG SAN Thong tin khoa hoc cong ngh$ mo Bing Cin bing sin phim diy chuyin tuyin ning cao chit lu^ng than TT + + 2.1 + + + 2.2 Chung loai than Than vio dOy chuydn Than don xO
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