w Thdng tin khoa hoc cdng nghd md NGHICN CUU Lira CHON DM CHUVCN TUVCN THflN PHU HOP de phat t r i e n ben vttng vung than Quang IVinh After introducing the actual situation of the coal screening and[.]
w Thdng tin khoa hoc cdng nghd md NGHICN CUU Lira CHON DM CHUVCN TUVCN THflN PHU HOP de p h a t t r i e n b e n vttng v u n g t h a n Quang IVinh After introducing the actual situation of the coal screening and preparing technology at Quang Ninh coal basin, the paper provides some proposals on the application of the proper coal preparation technology for recovering the natural resources and protecting the environment at Quang Ninh coal area These studies focus on the increase of the peat quality from the coal preparation plant, the increase of the coal quality with the autogenous medium technology The paper also proposes the preparation technology for the coal preparation plant in the coming time Opt v l n dd Cdn eir Qui hopch phdt triln Ngdnh than Vidt Nam giai dopn 2006-2015 ed xdt triln vpng d i n ndm 2025 dd duye Chinh phu phd duypt theo Quylt djnh so 89/2008, cdng tde sdng tuyln than phai ddp irng duge eao nhlt nhu clu thj trudng nudc, dae bidt Id ede ngdnh dipn, xi mdng, hod chit, luydn kim Than xult khau se giam d i n , cho din nam 2015 vd se dao dpng d mu'c tridu tin/ndm va ehf xult khlu lopi than chit luyng tot nhu than cgc, cam 1, cdm 2, cam Cdng nghp tuyln than phai ddp Crng duyc cac ydu eau ea v l kinh t l , chinh sdch an ninh ndng luyng vd bao vp mdi trudng Theo ede ddnh gid hipn trang, nhin chung, cde nhd may tuyln than tap trung vd cac egm sdng tuyln tpi viing than Quang Ninh, hipn tai da dap irng 6uge nhu cau chung loai vd chat luyng than cung clp eho thi tnTdng nudc va xuat khau Tuy nhien, theo cac s l lieu thong ke cho thly, hieu suit tuyln cdn chua cao, than eon Iln dd thai gay ThS HOANG MINH HUNG ThS NGUY§N HO-U NHAN VANNK Vidn Khoa hgc Cdng ngh$ Md- Vinacomin t i n thit tdi nguydn, biin than sau tuyln edn ehua duyc xii' ly tript 6k, dd vd dang gdy giam chit luyng than vd d nhidm mdi trudng Ngdnh than dang dirng trudc sy lya chpn xdy dyng ede nhd mdy tuyln than trung tdm mdi thay t h i eho ede egm sdng tuyln tpi md hay tilp tgc tri, ndng c l p ede egm sdng tuyln c h l biln than tpi ede md vd xdy dyng nhd mdy tuyen than mdi ed ehpn lye ? Chyn edng nghp tuyln than bang mdy lang, xoay lie huyin phu, huyin phii b l hay xody lie huyin phii san pham ? Chpn edng nghp xCy ly than c l p hpt mjn bang tuyen noi, tuyln mdng xoan hay khdng c i n tuyln ? Chpn xu ly bun nudc bang lye mdi trudng dp eao, Ipe dp bdng hay Ipe dp khung ban ?.v.v Nhilu v l n d l ITnh vyc sang tuyln, c h l biln than da duyc dpt eho ngdnh than nudc ta trudc sy lya ehpn chiln luyc phdt triln kinh t l xa hOi Dk ddp irng nhu c l u phdt triln bin vQ'ng khai thde va su dgng than, v l n d l c i n thilt duyc ddt Id lya chpn edng nghd sdng tuyln, c h l biln hyp ly, vu'a ndng cao ndng lye san xult, ndng eao chit luyng vd gid tri san phim, tpn thu tdi nguydn, giam thilu d nhidm mdi tnrdng, tpo vipe Idm eho ngudi lao dOng, ding thdi vira giam thilu ehi phi d i u tu, nham trdnh mi ro eho ede nhd mdy tuyln vd ede md than Danh gia thyc trang cdng nghe sang tuyln than tai vung than Quang Ninh Viing Quang Ninh ed nhd mdy tuyen than trun§~tdm Id Cu'a Ong I; II, Hdn {^Gai vd Vdng Danh Sau nhieu lan eai tpo md rOng, hidn tong edng suit eua ede nhd mdy tuyln da 6uge ndng eao g l p hon Iln so thilt k l ban diu, dpt 6uge 17 tripu t i n than nguydn khai/ndm, nhidn, mdi ehf ddp irng 6uge khoang 30% san luyng than todn ngdnh Cdng nghd sdng tuyln d ede nhd mdy tuyln trung tam vung Quang Ninh ehu y l u Id Lien Xd (eu) thilt k l , Australia vd Vipt Nam eai tpo ndn phuong phdp tuyln than KHCNM S6 1/2012 * TUY^N CH^ BI^N THAN - KHOANG SAN w Thdng tin khoa hoc cdng nghe md Than ngHy*n khai Sjn(j ning lOOidOOinrn 0»p -lOOnim sp^ S*na Itch C j l g ^ a Ctltl kM tuy^n miy dti \inq S t n j phin loti Tuy^n XLHP krqrng XLnhtn c4p r Cam chil SAng rlM rha T i cao E)i thii Tuy^n tCf lin L Th»n cue cic lo«i Than cue Nghiln pha trdn B^ cfl die I Cim TCN Bi ling Than bun Nt/drc luin hoin W/n/71 Sa di hl^n tr^ng cdng ngh$ Nhi miy Tuyin than Cwa 6ng I; II vi Hdn Gai duyc dp dgng theo tardng phdi nhu sau: Nhd mdy Tuyln than Vdng Danh dang dp dgnq cdng nghd tuyln huyin phij bd cd kit hyp vdi xody lie huyin phii, khdu xu ly bun nudc diing h i giu, bk ed ddc vd t>l lang ty nhidn Nhd mdy Tuyln than Cira 6ng I; II vd Hdn Gai dang dp dgng edng nghp tuyln mdy ldng san pham kit hyp vdi xoay lie huyin phii, khdu xu ly bun nudc diing xody lie phdn elp sdng khu' nudc, b l cd ddc cdo trdn cd sir dgng chit keo tg vd b l ldng ty nhidn So d l cdng nghd duyc t h i hiOn trdn hinh Cde kit qud nghidn ciru khoa hpc ddnh gid hidn trpng cdng nghp Nhd mdy tuyln Cu'a Ong, Hdn Gai, Vdng Danh d i u cho thly cdc t i n tpi nhu sau: HO thing tuyln mdy ling va huyin phu d i u cho hipu suit tuyln chua cao, dO tro da thai dao dOng khoang 78- 82%, ed nghTa Id dd thai v i n edn than, ehua tdn thu tdi nguydn, d i n d i n trdn bdi thai cdn nhilu lao dOng thu cdng, sdng tuyln tdn thu, gdy t i n thit tdi nguydn vd d nhidm mdi trudng Ridng Nhd mdy Tuyln than Vdng Danh chf tuyln elp tf trpng 1,9kg/dm^ nen dO tro dd chf dpt khoang 75%, cd nghTa Id cdn nhilu than l i n dd thai Hp thing xody lie phdn c l p Idm vide qud tai, hidu suit chua cao, d i n d i n cdn nhilu than cdm mjn l i n than biin khoang 20- 25% so than bun, d i n d i n giam tf Id thu h i i than thuong phim - Than bun tir nhd mdy tuyln dO tro dao dOng 2630% tuong duong cdm nhung dO I m eao Idm giam phim c l p than, khdng tidu thg duyc, gdy t i n dyng d nhilm mdi trudng Cdc nghien CLPU danh gia hipn trpng cdng tac sang tuyln d mOt s l md than Idn KHCNM S6 1/2012 * TUY^N C H £ BlflN THAN - KHOANG SAN nhu Ddo Nai Cyc Sdu, Nui Bdo, Hd Lim cho thly, cdc xudng sdng tpi md triln khai dp dgng cdng nghO tuyln huyin phii ty sinh vd tang quay 6k tin thu than don xd bd sdng, nhidn, hd thing xiir ly bun nudc cdn dung b l lang, than biin dO I m cao d i n >30%, Idm giam phim clp, giam doanh thu va cdn anh hudng d i n mdi trudng Cdc k i t qua nghidn cuu ddnh gid hipn trpng cdng tdc sdng tuyln than tpi mOt s l mo than nhu Cao Son, Duong Huy, Thing Nhlt, cac md nho thuOe T i n g Cdng ty Ddng Ble, Cdng ty than Hdn Gai vd Hp Long nhCrng noi chua eo hd thing tuyln cGng da eho thly, cdng nghd sdng tuyln cdn lpc hpu, chu y l u Id nh|t tay, nghiln don xd pha trOn d i n d i n t i n dyng than xlu, ba sdng gdy t i n thit tai nguydn va d nhilm mdi trudng Ode bidt cdc md nhu Khe Chuli, D i n g Ri, than x l u khdng duyc tuyln, khdng tidu thu duyc, d i n d i n t i n dpng Idn, lam giam phim c l p than va lang phi tdi nguydn Nghien ctpu d l xult ap dgng cac gidi phdp cong nghi^ tuyln hyp h/ t$n thu tai nguyen vd bdo v$ mdi tnrdng vung than Qudng Ninh 3.1 Nghien cuu xu ly va ning cao phim cap than bun to nha miy tuyen than Dk giai quylt v l n d l tren, Vipn Khoa hoc Cdng nghp Md-Vinacomin da phii hyp vdi cdc cdng ty than viing Quang Ninh triln khai nghidn CU'U 6k xult cac giai phap cdng nghp nang cao hipu qua xoay loc phan c l p cho cac Nhd mdy tuyen than CCra Ong va Hdn Gai, tan thu than thong tin khoa hoc cong nghe m o w Biin ni*3c ti/ r\M m ^ tuy^n Ihan Cila Ong Ch^t keo tu Biin nu-dc ii> nha mAy tuyln i Thungkh^y LQC ip khung ban Lpc ^ tdng iep I ; : Than bCin W=»22-23%; Ak=33-35% I i Than bim W=18-22%; Ak= 26-30% Bi phoi liru kho 7-10 ngdy i D^ phdi liAj kho 7-10 n g ^ Pha tr$n Cdm5;d6lmW=8-10% C i m cam6(J(5imWte8-10% Hinh Sa cdng nghi xw ly bun tw Nhd\may miy tuyin than Cwa Ong la On Hinh Sa cdng ngh^ xw ly bin Nhd miy tuyin than Ving Danh Than don x6 bi ting than xlu, Ihan nguyin khai I Sing rung mit lirdi (15.70 num) I +70 15-70 [ r^ ^ man cam 5:6 NhiUa^^ Cue xd SangrOaImm eith» Singnraimm BJ ling bii : Than biin pha trfin \ Nudc luin hoan Miy nghidn Than cim 4; Hinh Sa cdng nghf sing tuyin ning cao chit Iwgng than md Khe Chuii xit thai bang huyin phu t y sinh vd c h l biln cac loai gach xay dyng, giam dO im than biin bang lyc dp nham tpn thu tdi nguyen vd bao vd mdi trudng Cde cdng trinh duyc dp dgng cg the nhu sau: Tai Nhd mdy tuyln than Cira 6ng, tir ndm 2005 da lien tuc triln khai ldp dat b l sung cae hp thing xody lie phan ''ip, sang khir nudc d l nang ^ao hp s l thu hoi than cam mjn thuong phim Nam 2009, ta triln khai xay dyng va dua tao su dung hp thong xu' ly biin nudc bang Ipe dp tang dp edng suit tripu tin/ndm da duyc xay dyng lap dpt 6k tpn thu nudc tuin hodn, than biin sau lyc dp dpt dO I m khoang 18-22% cd t h i pha trOn tidu thg nhu cdm thuong phim So d l edng nghp xir ly biin Nhd mdy tuyln than Cu'a Ong duyc the hipn trdn hinh Tpi Nhd may tuyln than Hdn Gai, nam 2010 da lap ddt vd dua vao SU' dgng hp thing tuyln nil eOt, cdng suit 450 ngdn tIn/nam, hp thing Ipe dp than biin d l nang eao chit luyng than, thu hoi nude tuan hodn tdi KHCNM sO 1/2012 * TUYfeN CH^ BlfiN THAN - KHOANG SAN sir dgng Tir than bun da tuyln duye than cdm mjn, dO tro 1015%, pha trOn vdi than cam cung elp eho san xult xi mang vd xuat khlu Tpi Nhd mdy tuyln than Vdng Danh, ndm 2010 da ldp dpt vd dua vdo sir dgng hd thing Ipe dp biin cdng suit 90.000 tin/ndm bdng edng nghp Ipe dp khung ban nham thu hii nude tuin hodn, ndng eao phim elp than biin, bao vd mdi trudng So d l edng nghp XU' ly biin tir Nhd mdy tuyln than Vdng Danh 6uge t h i hipn trdn hinh Tir thdng ndm 2010, hp thing xu ly biin Nhd mdy tuyln than Vang Danh da 6uge dua vdo hopt dOng Kit qua thong kd eho thly, hon 65.000 tan than bun mjn dO I m 18 - 22%, dO tro tuong duong cdm 5, cdm da 6uge xije ly thu hoi vd pha trOn vdi than cdm khd tidu thg, mang lai hipu qua Idn eho Cdng ty than Vdng Danh 3.2 Nghien cuu ning cao chat lugng than bang cdng nghe huyen phu tysinh Tpi md than Khe Chuli, Tong Cdng ty Ddng Bac, Vidn KHCN md dd triln khai thilt k l xay dyng lap dpt vd ehuyin giao edng nghp tuyln ndng eao chit luyng than bang edng nghp huyin phii tu sinh Tir thdng ndm 2011, ddy ehuyin tuyln than da 6uge dua vdo hopt dOng, eho d i n da xu ly hon 100.000 t i n than don xd bd sdng chit luyng thip, t i n dpng, tpo cdc san pham than cdm vd cdm tidu thg So edng nghp tuyln ndng eao chat luyng than tpi md than Khe Chuoi duoc t h i hidn trdn hinh Dui w Thdng tin khoa hoc cdng nghe m d Bdng Kit qui thu nghigm tuyin di xit thii tU cic Nhi miy tuyin than Cua Ong vi Hdn gal, bing edng ngh^ huyin phi tu sinh t^l md Quang Hanh Tdn sdn phim TT // III Dd xit Nhd mdy tuyin Cwa dng Dd xit Nhd mdy tuyin Hdn Gal Thu hofich (%) Dg tro (%) Thu hogch (%) 100 22,4 6,7 12,2 3,5 77,6 79,69 63,26 43,6 72,5 68,7 84,43 100 16,94 4,24 10,2 2,5 83,06 Dd xit vio tuyen Cde sdn pham diy chuyin Than cdm Than edm xit Bun than Dd thdi Dg tro (%) 81,2 66,18 45,8 73,5 70,86 84,26 Bdng Kit qui phdn tich ddnh gii chit Iwgng g^ch dwgc sin xuit tw di xit thii nhi miy tuyin than Hdn Gal vd Cwa dng TU dd xit thdi Nhi miy tuyin than Hdn Gal Ky hl^u miu g^ch Mlu s l l Mlu s l Mlu s l Mlu s l Mlu dii ehirng Gpeh M 75 Gpeh M 50 Dgbin ndn, Kg/cm' 73 A4 67,20 66,60 65,82 Dgbin uin Kg/em' 44,0 69,6 51,59 55,07 75 50 14 16 3.3 Nghien cuu thu hoi than to di xit thai nhi miy tuyen Da xit thai tir Nhd mdy tuyln Cira Ong vd Hdn Gai, mdc du dO tro khoang- 78-82% dam bao tidu chuin d l thai, nhung kit qua nghidn cu'u dd eho thly nhidt trj cua dd xft dao dOng khodng 1000 - 1400 Kcal/kg, nhu vdy, v l n edn mOt luyng than dang t i n tpi dd xit cin phdi tilp tgc thu hii o l giai quylt v l n d l ndy ViOn KHCN md dd triln khai nghidn ciru tuyln tdn thu than tir dd xit thdi blng cdng nghO huyin phii ty sinh vd c h l biln vdt liOu xdy dyng tir nguIn dd xit thai cdc nhd mdy tuyln than Kit qud thu nghiOm tuyln tdn thu than tir dd xit Nhd mdy tuyln than CCra Ong vd Hdn Gai KHCNM S6 mail* Tw dd xft thii Nhi miy tuyin than Cwa Ong oghut nu&c, % Ky hiiu miu 7,2 7,8 9,8 9,0 100%xlt 95%x(t 90%xlt 80%x(t ogbin uin, Kg/cm' 66,00 66,00 81,00 88,00 og hut nw&c, % 10,49 10,20 10,16 9,75